diff options
Diffstat (limited to 'nginx/src/http/modules')
62 files changed, 0 insertions, 58618 deletions
diff --git a/nginx/src/http/modules/ngx_http_access_module.c b/nginx/src/http/modules/ngx_http_access_module.c deleted file mode 100644 index 7355de9..0000000 --- a/nginx/src/http/modules/ngx_http_access_module.c +++ /dev/null @@ -1,463 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - in_addr_t mask; - in_addr_t addr; - ngx_uint_t deny; /* unsigned deny:1; */ -} ngx_http_access_rule_t; - -#if (NGX_HAVE_INET6) - -typedef struct { - struct in6_addr addr; - struct in6_addr mask; - ngx_uint_t deny; /* unsigned deny:1; */ -} ngx_http_access_rule6_t; - -#endif - -#if (NGX_HAVE_UNIX_DOMAIN) - -typedef struct { - ngx_uint_t deny; /* unsigned deny:1; */ -} ngx_http_access_rule_un_t; - -#endif - -typedef struct { - ngx_array_t *rules; /* array of ngx_http_access_rule_t */ -#if (NGX_HAVE_INET6) - ngx_array_t *rules6; /* array of ngx_http_access_rule6_t */ -#endif -#if (NGX_HAVE_UNIX_DOMAIN) - ngx_array_t *rules_un; /* array of ngx_http_access_rule_un_t */ -#endif -} ngx_http_access_loc_conf_t; - - -static ngx_int_t ngx_http_access_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_access_inet(ngx_http_request_t *r, - ngx_http_access_loc_conf_t *alcf, in_addr_t addr); -#if (NGX_HAVE_INET6) -static ngx_int_t ngx_http_access_inet6(ngx_http_request_t *r, - ngx_http_access_loc_conf_t *alcf, u_char *p); -#endif -#if (NGX_HAVE_UNIX_DOMAIN) -static ngx_int_t ngx_http_access_unix(ngx_http_request_t *r, - ngx_http_access_loc_conf_t *alcf); -#endif -static ngx_int_t ngx_http_access_found(ngx_http_request_t *r, ngx_uint_t deny); -static char *ngx_http_access_rule(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static void *ngx_http_access_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_access_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_access_init(ngx_conf_t *cf); - - -static ngx_command_t ngx_http_access_commands[] = { - - { ngx_string("allow"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF - |NGX_CONF_TAKE1, - ngx_http_access_rule, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("deny"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF - |NGX_CONF_TAKE1, - ngx_http_access_rule, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - - -static ngx_http_module_t ngx_http_access_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_access_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_access_create_loc_conf, /* create location configuration */ - ngx_http_access_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_access_module = { - NGX_MODULE_V1, - &ngx_http_access_module_ctx, /* module context */ - ngx_http_access_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_access_handler(ngx_http_request_t *r) -{ - struct sockaddr_in *sin; - ngx_http_access_loc_conf_t *alcf; -#if (NGX_HAVE_INET6) - u_char *p; - in_addr_t addr; - struct sockaddr_in6 *sin6; -#endif - - alcf = ngx_http_get_module_loc_conf(r, ngx_http_access_module); - - switch (r->connection->sockaddr->sa_family) { - - case AF_INET: - if (alcf->rules) { - sin = (struct sockaddr_in *) r->connection->sockaddr; - return ngx_http_access_inet(r, alcf, sin->sin_addr.s_addr); - } - break; - -#if (NGX_HAVE_INET6) - - case AF_INET6: - sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; - p = sin6->sin6_addr.s6_addr; - - if (alcf->rules && IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { - addr = p[12] << 24; - addr += p[13] << 16; - addr += p[14] << 8; - addr += p[15]; - return ngx_http_access_inet(r, alcf, htonl(addr)); - } - - if (alcf->rules6) { - return ngx_http_access_inet6(r, alcf, p); - } - - break; - -#endif - -#if (NGX_HAVE_UNIX_DOMAIN) - - case AF_UNIX: - if (alcf->rules_un) { - return ngx_http_access_unix(r, alcf); - } - - break; - -#endif - } - - return NGX_DECLINED; -} - - -static ngx_int_t -ngx_http_access_inet(ngx_http_request_t *r, ngx_http_access_loc_conf_t *alcf, - in_addr_t addr) -{ - ngx_uint_t i; - ngx_http_access_rule_t *rule; - - rule = alcf->rules->elts; - for (i = 0; i < alcf->rules->nelts; i++) { - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "access: %08XD %08XD %08XD", - addr, rule[i].mask, rule[i].addr); - - if ((addr & rule[i].mask) == rule[i].addr) { - return ngx_http_access_found(r, rule[i].deny); - } - } - - return NGX_DECLINED; -} - - -#if (NGX_HAVE_INET6) - -static ngx_int_t -ngx_http_access_inet6(ngx_http_request_t *r, ngx_http_access_loc_conf_t *alcf, - u_char *p) -{ - ngx_uint_t n; - ngx_uint_t i; - ngx_http_access_rule6_t *rule6; - - rule6 = alcf->rules6->elts; - for (i = 0; i < alcf->rules6->nelts; i++) { - -#if (NGX_DEBUG) - { - size_t cl, ml, al; - u_char ct[NGX_INET6_ADDRSTRLEN]; - u_char mt[NGX_INET6_ADDRSTRLEN]; - u_char at[NGX_INET6_ADDRSTRLEN]; - - cl = ngx_inet6_ntop(p, ct, NGX_INET6_ADDRSTRLEN); - ml = ngx_inet6_ntop(rule6[i].mask.s6_addr, mt, NGX_INET6_ADDRSTRLEN); - al = ngx_inet6_ntop(rule6[i].addr.s6_addr, at, NGX_INET6_ADDRSTRLEN); - - ngx_log_debug6(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "access: %*s %*s %*s", cl, ct, ml, mt, al, at); - } -#endif - - for (n = 0; n < 16; n++) { - if ((p[n] & rule6[i].mask.s6_addr[n]) != rule6[i].addr.s6_addr[n]) { - goto next; - } - } - - return ngx_http_access_found(r, rule6[i].deny); - - next: - continue; - } - - return NGX_DECLINED; -} - -#endif - - -#if (NGX_HAVE_UNIX_DOMAIN) - -static ngx_int_t -ngx_http_access_unix(ngx_http_request_t *r, ngx_http_access_loc_conf_t *alcf) -{ - ngx_uint_t i; - ngx_http_access_rule_un_t *rule_un; - - rule_un = alcf->rules_un->elts; - for (i = 0; i < alcf->rules_un->nelts; i++) { - - /* TODO: check path */ - if (1) { - return ngx_http_access_found(r, rule_un[i].deny); - } - } - - return NGX_DECLINED; -} - -#endif - - -static ngx_int_t -ngx_http_access_found(ngx_http_request_t *r, ngx_uint_t deny) -{ - ngx_http_core_loc_conf_t *clcf; - - if (deny) { - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (clcf->satisfy == NGX_HTTP_SATISFY_ALL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "access forbidden by rule"); - } - - return NGX_HTTP_FORBIDDEN; - } - - return NGX_OK; -} - - -static char * -ngx_http_access_rule(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_access_loc_conf_t *alcf = conf; - - ngx_int_t rc; - ngx_uint_t all; - ngx_str_t *value; - ngx_cidr_t cidr; - ngx_http_access_rule_t *rule; -#if (NGX_HAVE_INET6) - ngx_http_access_rule6_t *rule6; -#endif -#if (NGX_HAVE_UNIX_DOMAIN) - ngx_http_access_rule_un_t *rule_un; -#endif - - all = 0; - ngx_memzero(&cidr, sizeof(ngx_cidr_t)); - - value = cf->args->elts; - - if (value[1].len == 3 && ngx_strcmp(value[1].data, "all") == 0) { - all = 1; - -#if (NGX_HAVE_UNIX_DOMAIN) - } else if (value[1].len == 5 && ngx_strcmp(value[1].data, "unix:") == 0) { - cidr.family = AF_UNIX; -#endif - - } else { - rc = ngx_ptocidr(&value[1], &cidr); - - if (rc == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - if (rc == NGX_DONE) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "low address bits of %V are meaningless", &value[1]); - } - } - - if (cidr.family == AF_INET || all) { - - if (alcf->rules == NULL) { - alcf->rules = ngx_array_create(cf->pool, 4, - sizeof(ngx_http_access_rule_t)); - if (alcf->rules == NULL) { - return NGX_CONF_ERROR; - } - } - - rule = ngx_array_push(alcf->rules); - if (rule == NULL) { - return NGX_CONF_ERROR; - } - - rule->mask = cidr.u.in.mask; - rule->addr = cidr.u.in.addr; - rule->deny = (value[0].data[0] == 'd') ? 1 : 0; - } - -#if (NGX_HAVE_INET6) - if (cidr.family == AF_INET6 || all) { - - if (alcf->rules6 == NULL) { - alcf->rules6 = ngx_array_create(cf->pool, 4, - sizeof(ngx_http_access_rule6_t)); - if (alcf->rules6 == NULL) { - return NGX_CONF_ERROR; - } - } - - rule6 = ngx_array_push(alcf->rules6); - if (rule6 == NULL) { - return NGX_CONF_ERROR; - } - - rule6->mask = cidr.u.in6.mask; - rule6->addr = cidr.u.in6.addr; - rule6->deny = (value[0].data[0] == 'd') ? 1 : 0; - } -#endif - -#if (NGX_HAVE_UNIX_DOMAIN) - if (cidr.family == AF_UNIX || all) { - - if (alcf->rules_un == NULL) { - alcf->rules_un = ngx_array_create(cf->pool, 1, - sizeof(ngx_http_access_rule_un_t)); - if (alcf->rules_un == NULL) { - return NGX_CONF_ERROR; - } - } - - rule_un = ngx_array_push(alcf->rules_un); - if (rule_un == NULL) { - return NGX_CONF_ERROR; - } - - rule_un->deny = (value[0].data[0] == 'd') ? 1 : 0; - } -#endif - - return NGX_CONF_OK; -} - - -static void * -ngx_http_access_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_access_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_access_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - return conf; -} - - -static char * -ngx_http_access_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_access_loc_conf_t *prev = parent; - ngx_http_access_loc_conf_t *conf = child; - - if (conf->rules == NULL -#if (NGX_HAVE_INET6) - && conf->rules6 == NULL -#endif -#if (NGX_HAVE_UNIX_DOMAIN) - && conf->rules_un == NULL -#endif - ) { - conf->rules = prev->rules; -#if (NGX_HAVE_INET6) - conf->rules6 = prev->rules6; -#endif -#if (NGX_HAVE_UNIX_DOMAIN) - conf->rules_un = prev->rules_un; -#endif - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_access_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_access_handler; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_addition_filter_module.c b/nginx/src/http/modules/ngx_http_addition_filter_module.c deleted file mode 100644 index e546f0d..0000000 --- a/nginx/src/http/modules/ngx_http_addition_filter_module.c +++ /dev/null @@ -1,254 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_str_t before_body; - ngx_str_t after_body; - - ngx_hash_t types; - ngx_array_t *types_keys; -} ngx_http_addition_conf_t; - - -typedef struct { - ngx_uint_t before_body_sent; -} ngx_http_addition_ctx_t; - - -static void *ngx_http_addition_create_conf(ngx_conf_t *cf); -static char *ngx_http_addition_merge_conf(ngx_conf_t *cf, void *parent, - void *child); -static ngx_int_t ngx_http_addition_filter_init(ngx_conf_t *cf); - - -static ngx_command_t ngx_http_addition_commands[] = { - - { ngx_string("add_before_body"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_addition_conf_t, before_body), - NULL }, - - { ngx_string("add_after_body"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_addition_conf_t, after_body), - NULL }, - - { ngx_string("addition_types"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_types_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_addition_conf_t, types_keys), - &ngx_http_html_default_types[0] }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_addition_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_addition_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_addition_create_conf, /* create location configuration */ - ngx_http_addition_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_addition_filter_module = { - NGX_MODULE_V1, - &ngx_http_addition_filter_module_ctx, /* module context */ - ngx_http_addition_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static ngx_int_t -ngx_http_addition_header_filter(ngx_http_request_t *r) -{ - ngx_http_addition_ctx_t *ctx; - ngx_http_addition_conf_t *conf; - - if (r->headers_out.status != NGX_HTTP_OK || r != r->main) { - return ngx_http_next_header_filter(r); - } - - conf = ngx_http_get_module_loc_conf(r, ngx_http_addition_filter_module); - - if (conf->before_body.len == 0 && conf->after_body.len == 0) { - return ngx_http_next_header_filter(r); - } - - if (ngx_http_test_content_type(r, &conf->types) == NULL) { - return ngx_http_next_header_filter(r); - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_addition_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_addition_filter_module); - - ngx_http_clear_content_length(r); - ngx_http_clear_accept_ranges(r); - ngx_http_weak_etag(r); - - r->preserve_body = 1; - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_addition_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - ngx_int_t rc; - ngx_uint_t last; - ngx_chain_t *cl; - ngx_http_request_t *sr; - ngx_http_addition_ctx_t *ctx; - ngx_http_addition_conf_t *conf; - - if (in == NULL || r->header_only) { - return ngx_http_next_body_filter(r, in); - } - - ctx = ngx_http_get_module_ctx(r, ngx_http_addition_filter_module); - - if (ctx == NULL) { - return ngx_http_next_body_filter(r, in); - } - - conf = ngx_http_get_module_loc_conf(r, ngx_http_addition_filter_module); - - if (!ctx->before_body_sent) { - ctx->before_body_sent = 1; - - if (conf->before_body.len) { - if (ngx_http_subrequest(r, &conf->before_body, NULL, &sr, NULL, 0) - != NGX_OK) - { - return NGX_ERROR; - } - } - } - - if (conf->after_body.len == 0) { - ngx_http_set_ctx(r, NULL, ngx_http_addition_filter_module); - return ngx_http_next_body_filter(r, in); - } - - last = 0; - - for (cl = in; cl; cl = cl->next) { - if (cl->buf->last_buf) { - cl->buf->last_buf = 0; - cl->buf->last_in_chain = 1; - cl->buf->sync = 1; - last = 1; - } - } - - rc = ngx_http_next_body_filter(r, in); - - if (rc == NGX_ERROR || !last || conf->after_body.len == 0) { - return rc; - } - - if (ngx_http_subrequest(r, &conf->after_body, NULL, &sr, NULL, 0) - != NGX_OK) - { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, NULL, ngx_http_addition_filter_module); - - return ngx_http_send_special(r, NGX_HTTP_LAST); -} - - -static ngx_int_t -ngx_http_addition_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_addition_header_filter; - - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_addition_body_filter; - - return NGX_OK; -} - - -static void * -ngx_http_addition_create_conf(ngx_conf_t *cf) -{ - ngx_http_addition_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_addition_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->before_body = { 0, NULL }; - * conf->after_body = { 0, NULL }; - * conf->types = { NULL }; - * conf->types_keys = NULL; - */ - - return conf; -} - - -static char * -ngx_http_addition_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_addition_conf_t *prev = parent; - ngx_http_addition_conf_t *conf = child; - - ngx_conf_merge_str_value(conf->before_body, prev->before_body, ""); - ngx_conf_merge_str_value(conf->after_body, prev->after_body, ""); - - if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types, - &prev->types_keys, &prev->types, - ngx_http_html_default_types) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_auth_basic_module.c b/nginx/src/http/modules/ngx_http_auth_basic_module.c deleted file mode 100644 index a6f9ec4..0000000 --- a/nginx/src/http/modules/ngx_http_auth_basic_module.c +++ /dev/null @@ -1,429 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> -#include <ngx_crypt.h> - - -#define NGX_HTTP_AUTH_BUF_SIZE 2048 - - -typedef struct { - ngx_http_complex_value_t *realm; - ngx_http_complex_value_t user_file; -} ngx_http_auth_basic_loc_conf_t; - - -static ngx_int_t ngx_http_auth_basic_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_auth_basic_crypt_handler(ngx_http_request_t *r, - ngx_str_t *passwd, ngx_str_t *realm); -static ngx_int_t ngx_http_auth_basic_set_realm(ngx_http_request_t *r, - ngx_str_t *realm); -static void ngx_http_auth_basic_close(ngx_file_t *file); -static void *ngx_http_auth_basic_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_auth_basic_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_auth_basic_init(ngx_conf_t *cf); -static char *ngx_http_auth_basic_user_file(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_command_t ngx_http_auth_basic_commands[] = { - - { ngx_string("auth_basic"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF - |NGX_CONF_TAKE1, - ngx_http_set_complex_value_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_auth_basic_loc_conf_t, realm), - NULL }, - - { ngx_string("auth_basic_user_file"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF - |NGX_CONF_TAKE1, - ngx_http_auth_basic_user_file, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_auth_basic_loc_conf_t, user_file), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_auth_basic_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_auth_basic_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_auth_basic_create_loc_conf, /* create location configuration */ - ngx_http_auth_basic_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_auth_basic_module = { - NGX_MODULE_V1, - &ngx_http_auth_basic_module_ctx, /* module context */ - ngx_http_auth_basic_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_auth_basic_handler(ngx_http_request_t *r) -{ - off_t offset; - ssize_t n; - ngx_fd_t fd; - ngx_int_t rc; - ngx_err_t err; - ngx_str_t pwd, realm, user_file; - ngx_uint_t i, level, login, left, passwd; - ngx_file_t file; - ngx_http_auth_basic_loc_conf_t *alcf; - u_char buf[NGX_HTTP_AUTH_BUF_SIZE]; - enum { - sw_login, - sw_passwd, - sw_skip - } state; - - alcf = ngx_http_get_module_loc_conf(r, ngx_http_auth_basic_module); - - if (alcf->realm == NULL || alcf->user_file.value.data == NULL) { - return NGX_DECLINED; - } - - if (ngx_http_complex_value(r, alcf->realm, &realm) != NGX_OK) { - return NGX_ERROR; - } - - if (realm.len == 3 && ngx_strncmp(realm.data, "off", 3) == 0) { - return NGX_DECLINED; - } - - rc = ngx_http_auth_basic_user(r); - - if (rc == NGX_DECLINED) { - - ngx_log_error(NGX_LOG_INFO, r->connection->log, 0, - "no user/password was provided for basic authentication"); - - return ngx_http_auth_basic_set_realm(r, &realm); - } - - if (rc == NGX_ERROR) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_http_complex_value(r, &alcf->user_file, &user_file) != NGX_OK) { - return NGX_ERROR; - } - - fd = ngx_open_file(user_file.data, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0); - - if (fd == NGX_INVALID_FILE) { - err = ngx_errno; - - if (err == NGX_ENOENT) { - level = NGX_LOG_ERR; - rc = NGX_HTTP_FORBIDDEN; - - } else { - level = NGX_LOG_CRIT; - rc = NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_log_error(level, r->connection->log, err, - ngx_open_file_n " \"%s\" failed", user_file.data); - - return rc; - } - - ngx_memzero(&file, sizeof(ngx_file_t)); - - file.fd = fd; - file.name = user_file; - file.log = r->connection->log; - - state = sw_login; - passwd = 0; - login = 0; - left = 0; - offset = 0; - - for ( ;; ) { - i = left; - - n = ngx_read_file(&file, buf + left, NGX_HTTP_AUTH_BUF_SIZE - left, - offset); - - if (n == NGX_ERROR) { - ngx_http_auth_basic_close(&file); - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (n == 0) { - break; - } - - for (i = left; i < left + n; i++) { - switch (state) { - - case sw_login: - if (login == 0) { - - if (buf[i] == '#' || buf[i] == CR) { - state = sw_skip; - break; - } - - if (buf[i] == LF) { - break; - } - } - - if (buf[i] != r->headers_in.user.data[login]) { - state = sw_skip; - break; - } - - if (login == r->headers_in.user.len) { - state = sw_passwd; - passwd = i + 1; - } - - login++; - - break; - - case sw_passwd: - if (buf[i] == LF || buf[i] == CR || buf[i] == ':') { - buf[i] = '\0'; - - ngx_http_auth_basic_close(&file); - - pwd.len = i - passwd; - pwd.data = &buf[passwd]; - - return ngx_http_auth_basic_crypt_handler(r, &pwd, &realm); - } - - break; - - case sw_skip: - if (buf[i] == LF) { - state = sw_login; - login = 0; - } - - break; - } - } - - if (state == sw_passwd) { - left = left + n - passwd; - ngx_memmove(buf, &buf[passwd], left); - passwd = 0; - - } else { - left = 0; - } - - offset += n; - } - - ngx_http_auth_basic_close(&file); - - if (state == sw_passwd) { - pwd.len = i - passwd; - pwd.data = ngx_pnalloc(r->pool, pwd.len + 1); - if (pwd.data == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_cpystrn(pwd.data, &buf[passwd], pwd.len + 1); - - return ngx_http_auth_basic_crypt_handler(r, &pwd, &realm); - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "user \"%V\" was not found in \"%s\"", - &r->headers_in.user, user_file.data); - - return ngx_http_auth_basic_set_realm(r, &realm); -} - - -static ngx_int_t -ngx_http_auth_basic_crypt_handler(ngx_http_request_t *r, ngx_str_t *passwd, - ngx_str_t *realm) -{ - ngx_int_t rc; - u_char *encrypted; - - rc = ngx_crypt(r->pool, r->headers_in.passwd.data, passwd->data, - &encrypted); - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "rc: %i user: \"%V\" salt: \"%s\"", - rc, &r->headers_in.user, passwd->data); - - if (rc != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_strcmp(encrypted, passwd->data) == 0) { - return NGX_OK; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "encrypted: \"%s\"", encrypted); - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "user \"%V\": password mismatch", - &r->headers_in.user); - - return ngx_http_auth_basic_set_realm(r, realm); -} - - -static ngx_int_t -ngx_http_auth_basic_set_realm(ngx_http_request_t *r, ngx_str_t *realm) -{ - size_t len; - u_char *basic, *p; - - r->headers_out.www_authenticate = ngx_list_push(&r->headers_out.headers); - if (r->headers_out.www_authenticate == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - len = sizeof("Basic realm=\"\"") - 1 + realm->len; - - basic = ngx_pnalloc(r->pool, len); - if (basic == NULL) { - r->headers_out.www_authenticate->hash = 0; - r->headers_out.www_authenticate = NULL; - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - p = ngx_cpymem(basic, "Basic realm=\"", sizeof("Basic realm=\"") - 1); - p = ngx_cpymem(p, realm->data, realm->len); - *p = '"'; - - r->headers_out.www_authenticate->hash = 1; - ngx_str_set(&r->headers_out.www_authenticate->key, "WWW-Authenticate"); - r->headers_out.www_authenticate->value.data = basic; - r->headers_out.www_authenticate->value.len = len; - - return NGX_HTTP_UNAUTHORIZED; -} - -static void -ngx_http_auth_basic_close(ngx_file_t *file) -{ - if (ngx_close_file(file->fd) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_ALERT, file->log, ngx_errno, - ngx_close_file_n " \"%s\" failed", file->name.data); - } -} - - -static void * -ngx_http_auth_basic_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_auth_basic_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_auth_basic_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - return conf; -} - - -static char * -ngx_http_auth_basic_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_auth_basic_loc_conf_t *prev = parent; - ngx_http_auth_basic_loc_conf_t *conf = child; - - if (conf->realm == NULL) { - conf->realm = prev->realm; - } - - if (conf->user_file.value.data == NULL) { - conf->user_file = prev->user_file; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_auth_basic_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_auth_basic_handler; - - return NGX_OK; -} - - -static char * -ngx_http_auth_basic_user_file(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_auth_basic_loc_conf_t *alcf = conf; - - ngx_str_t *value; - ngx_http_compile_complex_value_t ccv; - - if (alcf->user_file.value.data) { - return "is duplicate"; - } - - value = cf->args->elts; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &alcf->user_file; - ccv.zero = 1; - ccv.conf_prefix = 1; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_auth_request_module.c b/nginx/src/http/modules/ngx_http_auth_request_module.c deleted file mode 100644 index bab79e4..0000000 --- a/nginx/src/http/modules/ngx_http_auth_request_module.c +++ /dev/null @@ -1,444 +0,0 @@ - -/* - * Copyright (C) Maxim Dounin - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_str_t uri; - ngx_array_t *vars; -} ngx_http_auth_request_conf_t; - - -typedef struct { - ngx_uint_t done; - ngx_uint_t status; - ngx_http_request_t *subrequest; -} ngx_http_auth_request_ctx_t; - - -typedef struct { - ngx_int_t index; - ngx_http_complex_value_t value; - ngx_http_set_variable_pt set_handler; -} ngx_http_auth_request_variable_t; - - -static ngx_int_t ngx_http_auth_request_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_auth_request_done(ngx_http_request_t *r, - void *data, ngx_int_t rc); -static ngx_int_t ngx_http_auth_request_set_variables(ngx_http_request_t *r, - ngx_http_auth_request_conf_t *arcf, ngx_http_auth_request_ctx_t *ctx); -static ngx_int_t ngx_http_auth_request_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static void *ngx_http_auth_request_create_conf(ngx_conf_t *cf); -static char *ngx_http_auth_request_merge_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_auth_request_init(ngx_conf_t *cf); -static char *ngx_http_auth_request(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_auth_request_set(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_command_t ngx_http_auth_request_commands[] = { - - { ngx_string("auth_request"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_auth_request, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("auth_request_set"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_http_auth_request_set, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_auth_request_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_auth_request_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_auth_request_create_conf, /* create location configuration */ - ngx_http_auth_request_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_auth_request_module = { - NGX_MODULE_V1, - &ngx_http_auth_request_module_ctx, /* module context */ - ngx_http_auth_request_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_auth_request_handler(ngx_http_request_t *r) -{ - ngx_table_elt_t *h, *ho; - ngx_http_request_t *sr; - ngx_http_post_subrequest_t *ps; - ngx_http_auth_request_ctx_t *ctx; - ngx_http_auth_request_conf_t *arcf; - - arcf = ngx_http_get_module_loc_conf(r, ngx_http_auth_request_module); - - if (arcf->uri.len == 0) { - return NGX_DECLINED; - } - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "auth request handler"); - - ctx = ngx_http_get_module_ctx(r, ngx_http_auth_request_module); - - if (ctx != NULL) { - if (!ctx->done) { - return NGX_AGAIN; - } - - /* - * as soon as we are done - explicitly set variables to make - * sure they will be available after internal redirects - */ - - if (ngx_http_auth_request_set_variables(r, arcf, ctx) != NGX_OK) { - return NGX_ERROR; - } - - /* return appropriate status */ - - if (ctx->status == NGX_HTTP_FORBIDDEN) { - return ctx->status; - } - - if (ctx->status == NGX_HTTP_UNAUTHORIZED) { - sr = ctx->subrequest; - - h = sr->headers_out.www_authenticate; - - if (!h && sr->upstream) { - h = sr->upstream->headers_in.www_authenticate; - } - - if (h) { - ho = ngx_list_push(&r->headers_out.headers); - if (ho == NULL) { - return NGX_ERROR; - } - - *ho = *h; - - r->headers_out.www_authenticate = ho; - } - - return ctx->status; - } - - if (ctx->status >= NGX_HTTP_OK - && ctx->status < NGX_HTTP_SPECIAL_RESPONSE) - { - return NGX_OK; - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "auth request unexpected status: %ui", ctx->status); - - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_auth_request_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ps = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t)); - if (ps == NULL) { - return NGX_ERROR; - } - - ps->handler = ngx_http_auth_request_done; - ps->data = ctx; - - if (ngx_http_subrequest(r, &arcf->uri, NULL, &sr, ps, - NGX_HTTP_SUBREQUEST_WAITED) - != NGX_OK) - { - return NGX_ERROR; - } - - /* - * allocate fake request body to avoid attempts to read it and to make - * sure real body file (if already read) won't be closed by upstream - */ - - sr->request_body = ngx_pcalloc(r->pool, sizeof(ngx_http_request_body_t)); - if (sr->request_body == NULL) { - return NGX_ERROR; - } - - sr->header_only = 1; - - ctx->subrequest = sr; - - ngx_http_set_ctx(r, ctx, ngx_http_auth_request_module); - - return NGX_AGAIN; -} - - -static ngx_int_t -ngx_http_auth_request_done(ngx_http_request_t *r, void *data, ngx_int_t rc) -{ - ngx_http_auth_request_ctx_t *ctx = data; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "auth request done s:%ui", r->headers_out.status); - - ctx->done = 1; - ctx->status = r->headers_out.status; - - return rc; -} - - -static ngx_int_t -ngx_http_auth_request_set_variables(ngx_http_request_t *r, - ngx_http_auth_request_conf_t *arcf, ngx_http_auth_request_ctx_t *ctx) -{ - ngx_str_t val; - ngx_http_variable_t *v; - ngx_http_variable_value_t *vv; - ngx_http_auth_request_variable_t *av, *last; - ngx_http_core_main_conf_t *cmcf; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "auth request set variables"); - - if (arcf->vars == NULL) { - return NGX_OK; - } - - cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); - v = cmcf->variables.elts; - - av = arcf->vars->elts; - last = av + arcf->vars->nelts; - - while (av < last) { - /* - * explicitly set new value to make sure it will be available after - * internal redirects - */ - - vv = &r->variables[av->index]; - - if (ngx_http_complex_value(ctx->subrequest, &av->value, &val) - != NGX_OK) - { - return NGX_ERROR; - } - - vv->valid = 1; - vv->not_found = 0; - vv->data = val.data; - vv->len = val.len; - - if (av->set_handler) { - /* - * set_handler only available in cmcf->variables_keys, so we store - * it explicitly - */ - - av->set_handler(r, vv, v[av->index].data); - } - - av++; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_auth_request_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "auth request variable"); - - v->not_found = 1; - - return NGX_OK; -} - - -static void * -ngx_http_auth_request_create_conf(ngx_conf_t *cf) -{ - ngx_http_auth_request_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_auth_request_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->uri = { 0, NULL }; - */ - - conf->vars = NGX_CONF_UNSET_PTR; - - return conf; -} - - -static char * -ngx_http_auth_request_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_auth_request_conf_t *prev = parent; - ngx_http_auth_request_conf_t *conf = child; - - ngx_conf_merge_str_value(conf->uri, prev->uri, ""); - ngx_conf_merge_ptr_value(conf->vars, prev->vars, NULL); - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_auth_request_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_auth_request_handler; - - return NGX_OK; -} - - -static char * -ngx_http_auth_request(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_auth_request_conf_t *arcf = conf; - - ngx_str_t *value; - - if (arcf->uri.data != NULL) { - return "is duplicate"; - } - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "off") == 0) { - arcf->uri.len = 0; - arcf->uri.data = (u_char *) ""; - - return NGX_CONF_OK; - } - - arcf->uri = value[1]; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_auth_request_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_auth_request_conf_t *arcf = conf; - - ngx_str_t *value; - ngx_http_variable_t *v; - ngx_http_auth_request_variable_t *av; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (value[1].data[0] != '$') { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid variable name \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - value[1].len--; - value[1].data++; - - if (arcf->vars == NGX_CONF_UNSET_PTR) { - arcf->vars = ngx_array_create(cf->pool, 1, - sizeof(ngx_http_auth_request_variable_t)); - if (arcf->vars == NULL) { - return NGX_CONF_ERROR; - } - } - - av = ngx_array_push(arcf->vars); - if (av == NULL) { - return NGX_CONF_ERROR; - } - - v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE); - if (v == NULL) { - return NGX_CONF_ERROR; - } - - av->index = ngx_http_get_variable_index(cf, &value[1]); - if (av->index == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - if (v->get_handler == NULL) { - v->get_handler = ngx_http_auth_request_variable; - v->data = (uintptr_t) av; - } - - av->set_handler = v->set_handler; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[2]; - ccv.complex_value = &av->value; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_autoindex_module.c b/nginx/src/http/modules/ngx_http_autoindex_module.c deleted file mode 100644 index 94b91db..0000000 --- a/nginx/src/http/modules/ngx_http_autoindex_module.c +++ /dev/null @@ -1,1056 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -#if 0 - -typedef struct { - ngx_buf_t *buf; - size_t size; - ngx_pool_t *pool; - size_t alloc_size; - ngx_chain_t **last_out; -} ngx_http_autoindex_ctx_t; - -#endif - - -typedef struct { - ngx_str_t name; - size_t utf_len; - size_t escape; - size_t escape_html; - - unsigned dir:1; - unsigned file:1; - - time_t mtime; - off_t size; -} ngx_http_autoindex_entry_t; - - -typedef struct { - ngx_flag_t enable; - ngx_uint_t format; - ngx_flag_t localtime; - ngx_flag_t exact_size; -} ngx_http_autoindex_loc_conf_t; - - -#define NGX_HTTP_AUTOINDEX_HTML 0 -#define NGX_HTTP_AUTOINDEX_JSON 1 -#define NGX_HTTP_AUTOINDEX_JSONP 2 -#define NGX_HTTP_AUTOINDEX_XML 3 - -#define NGX_HTTP_AUTOINDEX_PREALLOCATE 50 - -#define NGX_HTTP_AUTOINDEX_NAME_LEN 50 - - -static ngx_buf_t *ngx_http_autoindex_html(ngx_http_request_t *r, - ngx_array_t *entries); -static ngx_buf_t *ngx_http_autoindex_json(ngx_http_request_t *r, - ngx_array_t *entries, ngx_str_t *callback); -static ngx_int_t ngx_http_autoindex_jsonp_callback(ngx_http_request_t *r, - ngx_str_t *callback); -static ngx_buf_t *ngx_http_autoindex_xml(ngx_http_request_t *r, - ngx_array_t *entries); - -static int ngx_libc_cdecl ngx_http_autoindex_cmp_entries(const void *one, - const void *two); -static ngx_int_t ngx_http_autoindex_error(ngx_http_request_t *r, - ngx_dir_t *dir, ngx_str_t *name); - -static ngx_int_t ngx_http_autoindex_init(ngx_conf_t *cf); -static void *ngx_http_autoindex_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_autoindex_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); - - -static ngx_conf_enum_t ngx_http_autoindex_format[] = { - { ngx_string("html"), NGX_HTTP_AUTOINDEX_HTML }, - { ngx_string("json"), NGX_HTTP_AUTOINDEX_JSON }, - { ngx_string("jsonp"), NGX_HTTP_AUTOINDEX_JSONP }, - { ngx_string("xml"), NGX_HTTP_AUTOINDEX_XML }, - { ngx_null_string, 0 } -}; - - -static ngx_command_t ngx_http_autoindex_commands[] = { - - { ngx_string("autoindex"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_autoindex_loc_conf_t, enable), - NULL }, - - { ngx_string("autoindex_format"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_enum_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_autoindex_loc_conf_t, format), - &ngx_http_autoindex_format }, - - { ngx_string("autoindex_localtime"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_autoindex_loc_conf_t, localtime), - NULL }, - - { ngx_string("autoindex_exact_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_autoindex_loc_conf_t, exact_size), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_autoindex_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_autoindex_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_autoindex_create_loc_conf, /* create location configuration */ - ngx_http_autoindex_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_autoindex_module = { - NGX_MODULE_V1, - &ngx_http_autoindex_module_ctx, /* module context */ - ngx_http_autoindex_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_autoindex_handler(ngx_http_request_t *r) -{ - u_char *last, *filename; - size_t len, allocated, root; - ngx_err_t err; - ngx_buf_t *b; - ngx_int_t rc; - ngx_str_t path, callback; - ngx_dir_t dir; - ngx_uint_t level, format; - ngx_pool_t *pool; - ngx_chain_t out; - ngx_array_t entries; - ngx_http_autoindex_entry_t *entry; - ngx_http_autoindex_loc_conf_t *alcf; - - if (r->uri.data[r->uri.len - 1] != '/') { - return NGX_DECLINED; - } - - if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { - return NGX_DECLINED; - } - - alcf = ngx_http_get_module_loc_conf(r, ngx_http_autoindex_module); - - if (!alcf->enable) { - return NGX_DECLINED; - } - - rc = ngx_http_discard_request_body(r); - - if (rc != NGX_OK) { - return rc; - } - - /* NGX_DIR_MASK_LEN is lesser than NGX_HTTP_AUTOINDEX_PREALLOCATE */ - - last = ngx_http_map_uri_to_path(r, &path, &root, - NGX_HTTP_AUTOINDEX_PREALLOCATE); - if (last == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - allocated = path.len; - path.len = last - path.data; - if (path.len > 1) { - path.len--; - } - path.data[path.len] = '\0'; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http autoindex: \"%s\"", path.data); - - format = alcf->format; - - if (format == NGX_HTTP_AUTOINDEX_JSONP) { - if (ngx_http_autoindex_jsonp_callback(r, &callback) != NGX_OK) { - return NGX_HTTP_BAD_REQUEST; - } - - if (callback.len == 0) { - format = NGX_HTTP_AUTOINDEX_JSON; - } - } - - if (ngx_open_dir(&path, &dir) == NGX_ERROR) { - err = ngx_errno; - - if (err == NGX_ENOENT - || err == NGX_ENOTDIR - || err == NGX_ENAMETOOLONG) - { - level = NGX_LOG_ERR; - rc = NGX_HTTP_NOT_FOUND; - - } else if (err == NGX_EACCES) { - level = NGX_LOG_ERR; - rc = NGX_HTTP_FORBIDDEN; - - } else { - level = NGX_LOG_CRIT; - rc = NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_log_error(level, r->connection->log, err, - ngx_open_dir_n " \"%s\" failed", path.data); - - return rc; - } - -#if (NGX_SUPPRESS_WARN) - - /* MSVC thinks 'entries' may be used without having been initialized */ - ngx_memzero(&entries, sizeof(ngx_array_t)); - -#endif - - /* TODO: pool should be temporary pool */ - pool = r->pool; - - if (ngx_array_init(&entries, pool, 40, sizeof(ngx_http_autoindex_entry_t)) - != NGX_OK) - { - return ngx_http_autoindex_error(r, &dir, &path); - } - - r->headers_out.status = NGX_HTTP_OK; - - switch (format) { - - case NGX_HTTP_AUTOINDEX_JSON: - ngx_str_set(&r->headers_out.content_type, "application/json"); - break; - - case NGX_HTTP_AUTOINDEX_JSONP: - ngx_str_set(&r->headers_out.content_type, "application/javascript"); - break; - - case NGX_HTTP_AUTOINDEX_XML: - ngx_str_set(&r->headers_out.content_type, "text/xml"); - ngx_str_set(&r->headers_out.charset, "utf-8"); - break; - - default: /* NGX_HTTP_AUTOINDEX_HTML */ - ngx_str_set(&r->headers_out.content_type, "text/html"); - break; - } - - r->headers_out.content_type_len = r->headers_out.content_type.len; - r->headers_out.content_type_lowcase = NULL; - - rc = ngx_http_send_header(r); - - if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { - if (ngx_close_dir(&dir) == NGX_ERROR) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, - ngx_close_dir_n " \"%V\" failed", &path); - } - - return rc; - } - - filename = path.data; - filename[path.len] = '/'; - - for ( ;; ) { - ngx_set_errno(0); - - if (ngx_read_dir(&dir) == NGX_ERROR) { - err = ngx_errno; - - if (err != NGX_ENOMOREFILES) { - ngx_log_error(NGX_LOG_CRIT, r->connection->log, err, - ngx_read_dir_n " \"%V\" failed", &path); - return ngx_http_autoindex_error(r, &dir, &path); - } - - break; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http autoindex file: \"%s\"", ngx_de_name(&dir)); - - len = ngx_de_namelen(&dir); - - if (ngx_de_name(&dir)[0] == '.') { - continue; - } - - if (!dir.valid_info) { - - /* 1 byte for '/' and 1 byte for terminating '\0' */ - - if (path.len + 1 + len + 1 > allocated) { - allocated = path.len + 1 + len + 1 - + NGX_HTTP_AUTOINDEX_PREALLOCATE; - - filename = ngx_pnalloc(pool, allocated); - if (filename == NULL) { - return ngx_http_autoindex_error(r, &dir, &path); - } - - last = ngx_cpystrn(filename, path.data, path.len + 1); - *last++ = '/'; - } - - ngx_cpystrn(last, ngx_de_name(&dir), len + 1); - - if (ngx_de_info(filename, &dir) == NGX_FILE_ERROR) { - err = ngx_errno; - - if (err != NGX_ENOENT && err != NGX_ELOOP) { - ngx_log_error(NGX_LOG_CRIT, r->connection->log, err, - ngx_de_info_n " \"%s\" failed", filename); - - if (err == NGX_EACCES) { - continue; - } - - return ngx_http_autoindex_error(r, &dir, &path); - } - - if (ngx_de_link_info(filename, &dir) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, - ngx_de_link_info_n " \"%s\" failed", - filename); - return ngx_http_autoindex_error(r, &dir, &path); - } - } - } - - entry = ngx_array_push(&entries); - if (entry == NULL) { - return ngx_http_autoindex_error(r, &dir, &path); - } - - entry->name.len = len; - - entry->name.data = ngx_pnalloc(pool, len + 1); - if (entry->name.data == NULL) { - return ngx_http_autoindex_error(r, &dir, &path); - } - - ngx_cpystrn(entry->name.data, ngx_de_name(&dir), len + 1); - - entry->dir = ngx_de_is_dir(&dir); - entry->file = ngx_de_is_file(&dir); - entry->mtime = ngx_de_mtime(&dir); - entry->size = ngx_de_size(&dir); - } - - if (ngx_close_dir(&dir) == NGX_ERROR) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, - ngx_close_dir_n " \"%V\" failed", &path); - } - - if (entries.nelts > 1) { - ngx_qsort(entries.elts, (size_t) entries.nelts, - sizeof(ngx_http_autoindex_entry_t), - ngx_http_autoindex_cmp_entries); - } - - switch (format) { - - case NGX_HTTP_AUTOINDEX_JSON: - b = ngx_http_autoindex_json(r, &entries, NULL); - break; - - case NGX_HTTP_AUTOINDEX_JSONP: - b = ngx_http_autoindex_json(r, &entries, &callback); - break; - - case NGX_HTTP_AUTOINDEX_XML: - b = ngx_http_autoindex_xml(r, &entries); - break; - - default: /* NGX_HTTP_AUTOINDEX_HTML */ - b = ngx_http_autoindex_html(r, &entries); - break; - } - - if (b == NULL) { - return NGX_ERROR; - } - - /* TODO: free temporary pool */ - - if (r == r->main) { - b->last_buf = 1; - } - - b->last_in_chain = 1; - - out.buf = b; - out.next = NULL; - - return ngx_http_output_filter(r, &out); -} - - -static ngx_buf_t * -ngx_http_autoindex_html(ngx_http_request_t *r, ngx_array_t *entries) -{ - u_char *last, scale; - off_t length; - size_t len, char_len, escape_html; - ngx_tm_t tm; - ngx_buf_t *b; - ngx_int_t size; - ngx_uint_t i, utf8; - ngx_time_t *tp; - ngx_http_autoindex_entry_t *entry; - ngx_http_autoindex_loc_conf_t *alcf; - - static u_char title[] = - "<html>" CRLF - "<head><title>Index of " - ; - - static u_char header[] = - "</title></head>" CRLF - "<body bgcolor=\"white\">" CRLF - "<h1>Index of " - ; - - static u_char tail[] = - "</body>" CRLF - "</html>" CRLF - ; - - static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", - "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; - - if (r->headers_out.charset.len == 5 - && ngx_strncasecmp(r->headers_out.charset.data, (u_char *) "utf-8", 5) - == 0) - { - utf8 = 1; - - } else { - utf8 = 0; - } - - escape_html = ngx_escape_html(NULL, r->uri.data, r->uri.len); - - len = sizeof(title) - 1 - + r->uri.len + escape_html - + sizeof(header) - 1 - + r->uri.len + escape_html - + sizeof("</h1>") - 1 - + sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1 - + sizeof("</pre><hr>") - 1 - + sizeof(tail) - 1; - - entry = entries->elts; - for (i = 0; i < entries->nelts; i++) { - entry[i].escape = 2 * ngx_escape_uri(NULL, entry[i].name.data, - entry[i].name.len, - NGX_ESCAPE_URI_COMPONENT); - - entry[i].escape_html = ngx_escape_html(NULL, entry[i].name.data, - entry[i].name.len); - - if (utf8) { - entry[i].utf_len = ngx_utf8_length(entry[i].name.data, - entry[i].name.len); - } else { - entry[i].utf_len = entry[i].name.len; - } - - len += sizeof("<a href=\"") - 1 - + entry[i].name.len + entry[i].escape - + 1 /* 1 is for "/" */ - + sizeof("\">") - 1 - + entry[i].name.len - entry[i].utf_len - + entry[i].escape_html - + NGX_HTTP_AUTOINDEX_NAME_LEN + sizeof(">") - 2 - + sizeof("</a>") - 1 - + sizeof(" 28-Sep-1970 12:00 ") - 1 - + 20 /* the file size */ - + 2; - } - - b = ngx_create_temp_buf(r->pool, len); - if (b == NULL) { - return NULL; - } - - b->last = ngx_cpymem(b->last, title, sizeof(title) - 1); - - if (escape_html) { - b->last = (u_char *) ngx_escape_html(b->last, r->uri.data, r->uri.len); - b->last = ngx_cpymem(b->last, header, sizeof(header) - 1); - b->last = (u_char *) ngx_escape_html(b->last, r->uri.data, r->uri.len); - - } else { - b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len); - b->last = ngx_cpymem(b->last, header, sizeof(header) - 1); - b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len); - } - - b->last = ngx_cpymem(b->last, "</h1>", sizeof("</h1>") - 1); - - b->last = ngx_cpymem(b->last, "<hr><pre><a href=\"../\">../</a>" CRLF, - sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1); - - alcf = ngx_http_get_module_loc_conf(r, ngx_http_autoindex_module); - tp = ngx_timeofday(); - - for (i = 0; i < entries->nelts; i++) { - b->last = ngx_cpymem(b->last, "<a href=\"", sizeof("<a href=\"") - 1); - - if (entry[i].escape) { - ngx_escape_uri(b->last, entry[i].name.data, entry[i].name.len, - NGX_ESCAPE_URI_COMPONENT); - - b->last += entry[i].name.len + entry[i].escape; - - } else { - b->last = ngx_cpymem(b->last, entry[i].name.data, - entry[i].name.len); - } - - if (entry[i].dir) { - *b->last++ = '/'; - } - - *b->last++ = '"'; - *b->last++ = '>'; - - len = entry[i].utf_len; - - if (entry[i].name.len != len) { - if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) { - char_len = NGX_HTTP_AUTOINDEX_NAME_LEN - 3 + 1; - - } else { - char_len = NGX_HTTP_AUTOINDEX_NAME_LEN + 1; - } - - last = b->last; - b->last = ngx_utf8_cpystrn(b->last, entry[i].name.data, - char_len, entry[i].name.len + 1); - - if (entry[i].escape_html) { - b->last = (u_char *) ngx_escape_html(last, entry[i].name.data, - b->last - last); - } - - last = b->last; - - } else { - if (entry[i].escape_html) { - if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) { - char_len = NGX_HTTP_AUTOINDEX_NAME_LEN - 3; - - } else { - char_len = len; - } - - b->last = (u_char *) ngx_escape_html(b->last, - entry[i].name.data, char_len); - last = b->last; - - } else { - b->last = ngx_cpystrn(b->last, entry[i].name.data, - NGX_HTTP_AUTOINDEX_NAME_LEN + 1); - last = b->last - 3; - } - } - - if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) { - b->last = ngx_cpymem(last, "..></a>", sizeof("..></a>") - 1); - - } else { - if (entry[i].dir && NGX_HTTP_AUTOINDEX_NAME_LEN - len > 0) { - *b->last++ = '/'; - len++; - } - - b->last = ngx_cpymem(b->last, "</a>", sizeof("</a>") - 1); - - if (NGX_HTTP_AUTOINDEX_NAME_LEN - len > 0) { - ngx_memset(b->last, ' ', NGX_HTTP_AUTOINDEX_NAME_LEN - len); - b->last += NGX_HTTP_AUTOINDEX_NAME_LEN - len; - } - } - - *b->last++ = ' '; - - ngx_gmtime(entry[i].mtime + tp->gmtoff * 60 * alcf->localtime, &tm); - - b->last = ngx_sprintf(b->last, "%02d-%s-%d %02d:%02d ", - tm.ngx_tm_mday, - months[tm.ngx_tm_mon - 1], - tm.ngx_tm_year, - tm.ngx_tm_hour, - tm.ngx_tm_min); - - if (alcf->exact_size) { - if (entry[i].dir) { - b->last = ngx_cpymem(b->last, " -", - sizeof(" -") - 1); - } else { - b->last = ngx_sprintf(b->last, "%19O", entry[i].size); - } - - } else { - if (entry[i].dir) { - b->last = ngx_cpymem(b->last, " -", - sizeof(" -") - 1); - - } else { - length = entry[i].size; - - if (length > 1024 * 1024 * 1024 - 1) { - size = (ngx_int_t) (length / (1024 * 1024 * 1024)); - if ((length % (1024 * 1024 * 1024)) - > (1024 * 1024 * 1024 / 2 - 1)) - { - size++; - } - scale = 'G'; - - } else if (length > 1024 * 1024 - 1) { - size = (ngx_int_t) (length / (1024 * 1024)); - if ((length % (1024 * 1024)) > (1024 * 1024 / 2 - 1)) { - size++; - } - scale = 'M'; - - } else if (length > 9999) { - size = (ngx_int_t) (length / 1024); - if (length % 1024 > 511) { - size++; - } - scale = 'K'; - - } else { - size = (ngx_int_t) length; - scale = '\0'; - } - - if (scale) { - b->last = ngx_sprintf(b->last, "%6i%c", size, scale); - - } else { - b->last = ngx_sprintf(b->last, " %6i", size); - } - } - } - - *b->last++ = CR; - *b->last++ = LF; - } - - b->last = ngx_cpymem(b->last, "</pre><hr>", sizeof("</pre><hr>") - 1); - - b->last = ngx_cpymem(b->last, tail, sizeof(tail) - 1); - - return b; -} - - -static ngx_buf_t * -ngx_http_autoindex_json(ngx_http_request_t *r, ngx_array_t *entries, - ngx_str_t *callback) -{ - size_t len; - ngx_buf_t *b; - ngx_uint_t i; - ngx_http_autoindex_entry_t *entry; - - len = sizeof("[" CRLF CRLF "]") - 1; - - if (callback) { - len += sizeof("/* callback */" CRLF "();") - 1 + callback->len; - } - - entry = entries->elts; - - for (i = 0; i < entries->nelts; i++) { - entry[i].escape = ngx_escape_json(NULL, entry[i].name.data, - entry[i].name.len); - - len += sizeof("{ }," CRLF) - 1 - + sizeof("\"name\":\"\"") - 1 - + entry[i].name.len + entry[i].escape - + sizeof(", \"type\":\"directory\"") - 1 - + sizeof(", \"mtime\":\"Wed, 31 Dec 1986 10:00:00 GMT\"") - 1; - - if (entry[i].file) { - len += sizeof(", \"size\":") - 1 + NGX_OFF_T_LEN; - } - } - - b = ngx_create_temp_buf(r->pool, len); - if (b == NULL) { - return NULL; - } - - if (callback) { - b->last = ngx_cpymem(b->last, "/* callback */" CRLF, - sizeof("/* callback */" CRLF) - 1); - - b->last = ngx_cpymem(b->last, callback->data, callback->len); - - *b->last++ = '('; - } - - *b->last++ = '['; - - for (i = 0; i < entries->nelts; i++) { - b->last = ngx_cpymem(b->last, CRLF "{ \"name\":\"", - sizeof(CRLF "{ \"name\":\"") - 1); - - if (entry[i].escape) { - b->last = (u_char *) ngx_escape_json(b->last, entry[i].name.data, - entry[i].name.len); - } else { - b->last = ngx_cpymem(b->last, entry[i].name.data, - entry[i].name.len); - } - - b->last = ngx_cpymem(b->last, "\", \"type\":\"", - sizeof("\", \"type\":\"") - 1); - - if (entry[i].dir) { - b->last = ngx_cpymem(b->last, "directory", sizeof("directory") - 1); - - } else if (entry[i].file) { - b->last = ngx_cpymem(b->last, "file", sizeof("file") - 1); - - } else { - b->last = ngx_cpymem(b->last, "other", sizeof("other") - 1); - } - - b->last = ngx_cpymem(b->last, "\", \"mtime\":\"", - sizeof("\", \"mtime\":\"") - 1); - - b->last = ngx_http_time(b->last, entry[i].mtime); - - if (entry[i].file) { - b->last = ngx_cpymem(b->last, "\", \"size\":", - sizeof("\", \"size\":") - 1); - b->last = ngx_sprintf(b->last, "%O", entry[i].size); - - } else { - *b->last++ = '"'; - } - - b->last = ngx_cpymem(b->last, " },", sizeof(" },") - 1); - } - - if (i > 0) { - b->last--; /* strip last comma */ - } - - b->last = ngx_cpymem(b->last, CRLF "]", sizeof(CRLF "]") - 1); - - if (callback) { - *b->last++ = ')'; *b->last++ = ';'; - } - - return b; -} - - -static ngx_int_t -ngx_http_autoindex_jsonp_callback(ngx_http_request_t *r, ngx_str_t *callback) -{ - u_char *p, c, ch; - ngx_uint_t i; - - if (ngx_http_arg(r, (u_char *) "callback", 8, callback) != NGX_OK) { - callback->len = 0; - return NGX_OK; - } - - if (callback->len > 128) { - ngx_log_error(NGX_LOG_INFO, r->connection->log, 0, - "client sent too long callback name: \"%V\"", callback); - return NGX_DECLINED; - } - - p = callback->data; - - for (i = 0; i < callback->len; i++) { - ch = p[i]; - - c = (u_char) (ch | 0x20); - if (c >= 'a' && c <= 'z') { - continue; - } - - if ((ch >= '0' && ch <= '9') || ch == '_' || ch == '.') { - continue; - } - - ngx_log_error(NGX_LOG_INFO, r->connection->log, 0, - "client sent invalid callback name: \"%V\"", callback); - - return NGX_DECLINED; - } - - return NGX_OK; -} - - -static ngx_buf_t * -ngx_http_autoindex_xml(ngx_http_request_t *r, ngx_array_t *entries) -{ - size_t len; - ngx_tm_t tm; - ngx_buf_t *b; - ngx_str_t type; - ngx_uint_t i; - ngx_http_autoindex_entry_t *entry; - - static u_char head[] = "<?xml version=\"1.0\"?>" CRLF "<list>" CRLF; - static u_char tail[] = "</list>" CRLF; - - len = sizeof(head) - 1 + sizeof(tail) - 1; - - entry = entries->elts; - - for (i = 0; i < entries->nelts; i++) { - entry[i].escape = ngx_escape_html(NULL, entry[i].name.data, - entry[i].name.len); - - len += sizeof("<directory></directory>" CRLF) - 1 - + entry[i].name.len + entry[i].escape - + sizeof(" mtime=\"1986-12-31T10:00:00Z\"") - 1; - - if (entry[i].file) { - len += sizeof(" size=\"\"") - 1 + NGX_OFF_T_LEN; - } - } - - b = ngx_create_temp_buf(r->pool, len); - if (b == NULL) { - return NULL; - } - - b->last = ngx_cpymem(b->last, head, sizeof(head) - 1); - - for (i = 0; i < entries->nelts; i++) { - *b->last++ = '<'; - - if (entry[i].dir) { - ngx_str_set(&type, "directory"); - - } else if (entry[i].file) { - ngx_str_set(&type, "file"); - - } else { - ngx_str_set(&type, "other"); - } - - b->last = ngx_cpymem(b->last, type.data, type.len); - - b->last = ngx_cpymem(b->last, " mtime=\"", sizeof(" mtime=\"") - 1); - - ngx_gmtime(entry[i].mtime, &tm); - - b->last = ngx_sprintf(b->last, "%4d-%02d-%02dT%02d:%02d:%02dZ", - tm.ngx_tm_year, tm.ngx_tm_mon, - tm.ngx_tm_mday, tm.ngx_tm_hour, - tm.ngx_tm_min, tm.ngx_tm_sec); - - if (entry[i].file) { - b->last = ngx_cpymem(b->last, "\" size=\"", - sizeof("\" size=\"") - 1); - b->last = ngx_sprintf(b->last, "%O", entry[i].size); - } - - *b->last++ = '"'; *b->last++ = '>'; - - if (entry[i].escape) { - b->last = (u_char *) ngx_escape_html(b->last, entry[i].name.data, - entry[i].name.len); - } else { - b->last = ngx_cpymem(b->last, entry[i].name.data, - entry[i].name.len); - } - - *b->last++ = '<'; *b->last++ = '/'; - - b->last = ngx_cpymem(b->last, type.data, type.len); - - *b->last++ = '>'; - - *b->last++ = CR; *b->last++ = LF; - } - - b->last = ngx_cpymem(b->last, tail, sizeof(tail) - 1); - - return b; -} - - -static int ngx_libc_cdecl -ngx_http_autoindex_cmp_entries(const void *one, const void *two) -{ - ngx_http_autoindex_entry_t *first = (ngx_http_autoindex_entry_t *) one; - ngx_http_autoindex_entry_t *second = (ngx_http_autoindex_entry_t *) two; - - if (first->dir && !second->dir) { - /* move the directories to the start */ - return -1; - } - - if (!first->dir && second->dir) { - /* move the directories to the start */ - return 1; - } - - return (int) ngx_strcmp(first->name.data, second->name.data); -} - - -#if 0 - -static ngx_buf_t * -ngx_http_autoindex_alloc(ngx_http_autoindex_ctx_t *ctx, size_t size) -{ - ngx_chain_t *cl; - - if (ctx->buf) { - - if ((size_t) (ctx->buf->end - ctx->buf->last) >= size) { - return ctx->buf; - } - - ctx->size += ctx->buf->last - ctx->buf->pos; - } - - ctx->buf = ngx_create_temp_buf(ctx->pool, ctx->alloc_size); - if (ctx->buf == NULL) { - return NULL; - } - - cl = ngx_alloc_chain_link(ctx->pool); - if (cl == NULL) { - return NULL; - } - - cl->buf = ctx->buf; - cl->next = NULL; - - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - return ctx->buf; -} - -#endif - - -static ngx_int_t -ngx_http_autoindex_error(ngx_http_request_t *r, ngx_dir_t *dir, ngx_str_t *name) -{ - if (ngx_close_dir(dir) == NGX_ERROR) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, - ngx_close_dir_n " \"%V\" failed", name); - } - - return r->header_sent ? NGX_ERROR : NGX_HTTP_INTERNAL_SERVER_ERROR; -} - - -static void * -ngx_http_autoindex_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_autoindex_loc_conf_t *conf; - - conf = ngx_palloc(cf->pool, sizeof(ngx_http_autoindex_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - conf->enable = NGX_CONF_UNSET; - conf->format = NGX_CONF_UNSET_UINT; - conf->localtime = NGX_CONF_UNSET; - conf->exact_size = NGX_CONF_UNSET; - - return conf; -} - - -static char * -ngx_http_autoindex_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_autoindex_loc_conf_t *prev = parent; - ngx_http_autoindex_loc_conf_t *conf = child; - - ngx_conf_merge_value(conf->enable, prev->enable, 0); - ngx_conf_merge_uint_value(conf->format, prev->format, - NGX_HTTP_AUTOINDEX_HTML); - ngx_conf_merge_value(conf->localtime, prev->localtime, 0); - ngx_conf_merge_value(conf->exact_size, prev->exact_size, 1); - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_autoindex_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_autoindex_handler; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_browser_module.c b/nginx/src/http/modules/ngx_http_browser_module.c deleted file mode 100644 index f774254..0000000 --- a/nginx/src/http/modules/ngx_http_browser_module.c +++ /dev/null @@ -1,712 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -/* - * The module can check browser versions conforming to the following formats: - * X, X.X, X.X.X, and X.X.X.X. The maximum values of each format may be - * 4000, 4000.99, 4000.99.99, and 4000.99.99.99. - */ - - -#define NGX_HTTP_MODERN_BROWSER 0 -#define NGX_HTTP_ANCIENT_BROWSER 1 - - -typedef struct { - u_char browser[12]; - size_t skip; - size_t add; - u_char name[12]; -} ngx_http_modern_browser_mask_t; - - -typedef struct { - ngx_uint_t version; - size_t skip; - size_t add; - u_char name[12]; -} ngx_http_modern_browser_t; - - -typedef struct { - ngx_array_t *modern_browsers; - ngx_array_t *ancient_browsers; - ngx_http_variable_value_t *modern_browser_value; - ngx_http_variable_value_t *ancient_browser_value; - - unsigned modern_unlisted_browsers:1; - unsigned netscape4:1; -} ngx_http_browser_conf_t; - - -static ngx_int_t ngx_http_msie_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_browser_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); - -static ngx_uint_t ngx_http_browser(ngx_http_request_t *r, - ngx_http_browser_conf_t *cf); - -static ngx_int_t ngx_http_browser_add_variables(ngx_conf_t *cf); -static void *ngx_http_browser_create_conf(ngx_conf_t *cf); -static char *ngx_http_browser_merge_conf(ngx_conf_t *cf, void *parent, - void *child); -static int ngx_libc_cdecl ngx_http_modern_browser_sort(const void *one, - const void *two); -static char *ngx_http_modern_browser(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_ancient_browser(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_modern_browser_value(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_ancient_browser_value(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_command_t ngx_http_browser_commands[] = { - - { ngx_string("modern_browser"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_modern_browser, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("ancient_browser"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_ancient_browser, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("modern_browser_value"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_modern_browser_value, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("ancient_browser_value"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_ancient_browser_value, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_browser_module_ctx = { - ngx_http_browser_add_variables, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_browser_create_conf, /* create location configuration */ - ngx_http_browser_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_browser_module = { - NGX_MODULE_V1, - &ngx_http_browser_module_ctx, /* module context */ - ngx_http_browser_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_modern_browser_mask_t ngx_http_modern_browser_masks[] = { - - /* Opera must be the first browser to check */ - - /* - * "Opera/7.50 (X11; FreeBSD i386; U) [en]" - * "Mozilla/5.0 (X11; FreeBSD i386; U) Opera 7.50 [en]" - * "Mozilla/4.0 (compatible; MSIE 6.0; X11; FreeBSD i386) Opera 7.50 [en]" - * "Opera/8.0 (Windows NT 5.1; U; ru)" - * "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; en) Opera 8.0" - * "Opera/9.01 (X11; FreeBSD 6 i386; U; en)" - */ - - { "opera", - 0, - sizeof("Opera ") - 1, - "Opera"}, - - /* "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)" */ - - { "msie", - sizeof("Mozilla/4.0 (compatible; ") - 1, - sizeof("MSIE ") - 1, - "MSIE "}, - - /* - * "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.0) Gecko/20020610" - * "Mozilla/5.0 (Windows; U; Windows NT 5.1; ru-RU; rv:1.5) Gecko/20031006" - * "Mozilla/5.0 (Windows; U; Windows NT 5.1; ru-RU; rv:1.6) Gecko/20040206 - * Firefox/0.8" - * "Mozilla/5.0 (Windows; U; Windows NT 5.1; ru-RU; rv:1.7.8) - * Gecko/20050511 Firefox/1.0.4" - * "Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.8.0.5) Gecko/20060729 - * Firefox/1.5.0.5" - */ - - { "gecko", - sizeof("Mozilla/5.0 (") - 1, - sizeof("rv:") - 1, - "rv:"}, - - /* - * "Mozilla/5.0 (Macintosh; U; PPC Mac OS X; ru-ru) AppleWebKit/125.2 - * (KHTML, like Gecko) Safari/125.7" - * "Mozilla/5.0 (SymbianOS/9.1; U; en-us) AppleWebKit/413 - * (KHTML, like Gecko) Safari/413" - * "Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en) AppleWebKit/418 - * (KHTML, like Gecko) Safari/417.9.3" - * "Mozilla/5.0 (Macintosh; U; PPC Mac OS X; ru-ru) AppleWebKit/418.8 - * (KHTML, like Gecko) Safari/419.3" - */ - - { "safari", - sizeof("Mozilla/5.0 (") - 1, - sizeof("Safari/") - 1, - "Safari/"}, - - /* - * "Mozilla/5.0 (compatible; Konqueror/3.1; Linux)" - * "Mozilla/5.0 (compatible; Konqueror/3.4; Linux) KHTML/3.4.2 (like Gecko)" - * "Mozilla/5.0 (compatible; Konqueror/3.5; FreeBSD) KHTML/3.5.1 - * (like Gecko)" - */ - - { "konqueror", - sizeof("Mozilla/5.0 (compatible; ") - 1, - sizeof("Konqueror/") - 1, - "Konqueror/"}, - - { "", 0, 0, "" } - -}; - - -static ngx_http_variable_t ngx_http_browser_vars[] = { - - { ngx_string("msie"), NULL, ngx_http_msie_variable, - 0, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("modern_browser"), NULL, ngx_http_browser_variable, - NGX_HTTP_MODERN_BROWSER, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ancient_browser"), NULL, ngx_http_browser_variable, - NGX_HTTP_ANCIENT_BROWSER, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - ngx_http_null_variable -}; - - -static ngx_int_t -ngx_http_browser_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - ngx_uint_t rc; - ngx_http_browser_conf_t *cf; - - cf = ngx_http_get_module_loc_conf(r, ngx_http_browser_module); - - rc = ngx_http_browser(r, cf); - - if (data == NGX_HTTP_MODERN_BROWSER && rc == NGX_HTTP_MODERN_BROWSER) { - *v = *cf->modern_browser_value; - return NGX_OK; - } - - if (data == NGX_HTTP_ANCIENT_BROWSER && rc == NGX_HTTP_ANCIENT_BROWSER) { - *v = *cf->ancient_browser_value; - return NGX_OK; - } - - *v = ngx_http_variable_null_value; - return NGX_OK; -} - - -static ngx_uint_t -ngx_http_browser(ngx_http_request_t *r, ngx_http_browser_conf_t *cf) -{ - size_t len; - u_char *name, *ua, *last, c; - ngx_str_t *ancient; - ngx_uint_t i, version, ver, scale; - ngx_http_modern_browser_t *modern; - - if (r->headers_in.user_agent == NULL) { - if (cf->modern_unlisted_browsers) { - return NGX_HTTP_MODERN_BROWSER; - } - - return NGX_HTTP_ANCIENT_BROWSER; - } - - ua = r->headers_in.user_agent->value.data; - len = r->headers_in.user_agent->value.len; - last = ua + len; - - if (cf->modern_browsers) { - modern = cf->modern_browsers->elts; - - for (i = 0; i < cf->modern_browsers->nelts; i++) { - name = ua + modern[i].skip; - - if (name >= last) { - continue; - } - - name = (u_char *) ngx_strstr(name, modern[i].name); - - if (name == NULL) { - continue; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "browser: \"%s\"", name); - - name += modern[i].add; - - if (name >= last) { - continue; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "version: \"%ui\" \"%s\"", modern[i].version, name); - - version = 0; - ver = 0; - scale = 1000000; - - while (name < last) { - - c = *name++; - - if (c >= '0' && c <= '9') { - ver = ver * 10 + (c - '0'); - continue; - } - - if (c == '.') { - version += ver * scale; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "version: \"%ui\" \"%ui\"", - modern[i].version, version); - - if (version > modern[i].version) { - return NGX_HTTP_MODERN_BROWSER; - } - - ver = 0; - scale /= 100; - continue; - } - - break; - } - - version += ver * scale; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "version: \"%ui\" \"%ui\"", - modern[i].version, version); - - if (version >= modern[i].version) { - return NGX_HTTP_MODERN_BROWSER; - } - - return NGX_HTTP_ANCIENT_BROWSER; - } - - if (!cf->modern_unlisted_browsers) { - return NGX_HTTP_ANCIENT_BROWSER; - } - } - - if (cf->netscape4) { - if (len > sizeof("Mozilla/4.72 ") - 1 - && ngx_strncmp(ua, "Mozilla/", sizeof("Mozilla/") - 1) == 0 - && ua[8] > '0' && ua[8] < '5') - { - return NGX_HTTP_ANCIENT_BROWSER; - } - } - - if (cf->ancient_browsers) { - ancient = cf->ancient_browsers->elts; - - for (i = 0; i < cf->ancient_browsers->nelts; i++) { - if (len >= ancient[i].len - && ngx_strstr(ua, ancient[i].data) != NULL) - { - return NGX_HTTP_ANCIENT_BROWSER; - } - } - } - - if (cf->modern_unlisted_browsers) { - return NGX_HTTP_MODERN_BROWSER; - } - - return NGX_HTTP_ANCIENT_BROWSER; -} - - -static ngx_int_t -ngx_http_msie_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - if (r->headers_in.msie) { - *v = ngx_http_variable_true_value; - return NGX_OK; - } - - *v = ngx_http_variable_null_value; - return NGX_OK; -} - - -static ngx_int_t -ngx_http_browser_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var, *v; - - for (v = ngx_http_browser_vars; v->name.len; v++) { - - var = ngx_http_add_variable(cf, &v->name, v->flags); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = v->get_handler; - var->data = v->data; - } - - return NGX_OK; -} - - -static void * -ngx_http_browser_create_conf(ngx_conf_t *cf) -{ - ngx_http_browser_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_browser_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->modern_browsers = NULL; - * conf->ancient_browsers = NULL; - * conf->modern_browser_value = NULL; - * conf->ancient_browser_value = NULL; - * - * conf->modern_unlisted_browsers = 0; - * conf->netscape4 = 0; - */ - - return conf; -} - - -static char * -ngx_http_browser_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_browser_conf_t *prev = parent; - ngx_http_browser_conf_t *conf = child; - - ngx_uint_t i, n; - ngx_http_modern_browser_t *browsers, *opera; - - /* - * At the merge the skip field is used to store the browser slot, - * it will be used in sorting and then will overwritten - * with a real skip value. The zero value means Opera. - */ - - if (conf->modern_browsers == NULL && conf->modern_unlisted_browsers == 0) { - conf->modern_browsers = prev->modern_browsers; - conf->modern_unlisted_browsers = prev->modern_unlisted_browsers; - - } else if (conf->modern_browsers != NULL) { - browsers = conf->modern_browsers->elts; - - for (i = 0; i < conf->modern_browsers->nelts; i++) { - if (browsers[i].skip == 0) { - goto found; - } - } - - /* - * Opera may contain MSIE string, so if Opera was not enumerated - * as modern browsers, then add it and set a unreachable version - */ - - opera = ngx_array_push(conf->modern_browsers); - if (opera == NULL) { - return NGX_CONF_ERROR; - } - - opera->skip = 0; - opera->version = 4001000000U; - - browsers = conf->modern_browsers->elts; - -found: - - ngx_qsort(browsers, (size_t) conf->modern_browsers->nelts, - sizeof(ngx_http_modern_browser_t), - ngx_http_modern_browser_sort); - - for (i = 0; i < conf->modern_browsers->nelts; i++) { - n = browsers[i].skip; - - browsers[i].skip = ngx_http_modern_browser_masks[n].skip; - browsers[i].add = ngx_http_modern_browser_masks[n].add; - (void) ngx_cpystrn(browsers[i].name, - ngx_http_modern_browser_masks[n].name, 12); - } - } - - if (conf->ancient_browsers == NULL && conf->netscape4 == 0) { - conf->ancient_browsers = prev->ancient_browsers; - conf->netscape4 = prev->netscape4; - } - - if (conf->modern_browser_value == NULL) { - conf->modern_browser_value = prev->modern_browser_value; - } - - if (conf->modern_browser_value == NULL) { - conf->modern_browser_value = &ngx_http_variable_true_value; - } - - if (conf->ancient_browser_value == NULL) { - conf->ancient_browser_value = prev->ancient_browser_value; - } - - if (conf->ancient_browser_value == NULL) { - conf->ancient_browser_value = &ngx_http_variable_true_value; - } - - return NGX_CONF_OK; -} - - -static int ngx_libc_cdecl -ngx_http_modern_browser_sort(const void *one, const void *two) -{ - ngx_http_modern_browser_t *first = (ngx_http_modern_browser_t *) one; - ngx_http_modern_browser_t *second = (ngx_http_modern_browser_t *) two; - - return (first->skip - second->skip); -} - - -static char * -ngx_http_modern_browser(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_browser_conf_t *bcf = conf; - - u_char c; - ngx_str_t *value; - ngx_uint_t i, n, version, ver, scale; - ngx_http_modern_browser_t *browser; - ngx_http_modern_browser_mask_t *mask; - - value = cf->args->elts; - - if (cf->args->nelts == 2) { - if (ngx_strcmp(value[1].data, "unlisted") == 0) { - bcf->modern_unlisted_browsers = 1; - return NGX_CONF_OK; - } - - return NGX_CONF_ERROR; - } - - if (bcf->modern_browsers == NULL) { - bcf->modern_browsers = ngx_array_create(cf->pool, 5, - sizeof(ngx_http_modern_browser_t)); - if (bcf->modern_browsers == NULL) { - return NGX_CONF_ERROR; - } - } - - browser = ngx_array_push(bcf->modern_browsers); - if (browser == NULL) { - return NGX_CONF_ERROR; - } - - mask = ngx_http_modern_browser_masks; - - for (n = 0; mask[n].browser[0] != '\0'; n++) { - if (ngx_strcasecmp(mask[n].browser, value[1].data) == 0) { - goto found; - } - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "unknown browser name \"%V\"", &value[1]); - - return NGX_CONF_ERROR; - -found: - - /* - * at this stage the skip field is used to store the browser slot, - * it will be used in sorting in merge stage and then will overwritten - * with a real value - */ - - browser->skip = n; - - version = 0; - ver = 0; - scale = 1000000; - - for (i = 0; i < value[2].len; i++) { - - c = value[2].data[i]; - - if (c >= '0' && c <= '9') { - ver = ver * 10 + (c - '0'); - continue; - } - - if (c == '.') { - version += ver * scale; - ver = 0; - scale /= 100; - continue; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid browser version \"%V\"", &value[2]); - - return NGX_CONF_ERROR; - } - - version += ver * scale; - - browser->version = version; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_ancient_browser(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_browser_conf_t *bcf = conf; - - ngx_str_t *value, *browser; - ngx_uint_t i; - - value = cf->args->elts; - - for (i = 1; i < cf->args->nelts; i++) { - if (ngx_strcmp(value[i].data, "netscape4") == 0) { - bcf->netscape4 = 1; - continue; - } - - if (bcf->ancient_browsers == NULL) { - bcf->ancient_browsers = ngx_array_create(cf->pool, 4, - sizeof(ngx_str_t)); - if (bcf->ancient_browsers == NULL) { - return NGX_CONF_ERROR; - } - } - - browser = ngx_array_push(bcf->ancient_browsers); - if (browser == NULL) { - return NGX_CONF_ERROR; - } - - *browser = value[i]; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_modern_browser_value(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_browser_conf_t *bcf = conf; - - ngx_str_t *value; - - bcf->modern_browser_value = ngx_palloc(cf->pool, - sizeof(ngx_http_variable_value_t)); - if (bcf->modern_browser_value == NULL) { - return NGX_CONF_ERROR; - } - - value = cf->args->elts; - - bcf->modern_browser_value->len = value[1].len; - bcf->modern_browser_value->valid = 1; - bcf->modern_browser_value->no_cacheable = 0; - bcf->modern_browser_value->not_found = 0; - bcf->modern_browser_value->data = value[1].data; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_ancient_browser_value(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_browser_conf_t *bcf = conf; - - ngx_str_t *value; - - bcf->ancient_browser_value = ngx_palloc(cf->pool, - sizeof(ngx_http_variable_value_t)); - if (bcf->ancient_browser_value == NULL) { - return NGX_CONF_ERROR; - } - - value = cf->args->elts; - - bcf->ancient_browser_value->len = value[1].len; - bcf->ancient_browser_value->valid = 1; - bcf->ancient_browser_value->no_cacheable = 0; - bcf->ancient_browser_value->not_found = 0; - bcf->ancient_browser_value->data = value[1].data; - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_charset_filter_module.c b/nginx/src/http/modules/ngx_http_charset_filter_module.c deleted file mode 100644 index e52b96e..0000000 --- a/nginx/src/http/modules/ngx_http_charset_filter_module.c +++ /dev/null @@ -1,1685 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -#define NGX_HTTP_CHARSET_OFF -2 -#define NGX_HTTP_NO_CHARSET -3 -#define NGX_HTTP_CHARSET_VAR 0x10000 - -/* 1 byte length and up to 3 bytes for the UTF-8 encoding of the UCS-2 */ -#define NGX_UTF_LEN 4 - -#define NGX_HTML_ENTITY_LEN (sizeof("") - 1) - - -typedef struct { - u_char **tables; - ngx_str_t name; - - unsigned length:16; - unsigned utf8:1; -} ngx_http_charset_t; - - -typedef struct { - ngx_int_t src; - ngx_int_t dst; -} ngx_http_charset_recode_t; - - -typedef struct { - ngx_int_t src; - ngx_int_t dst; - u_char *src2dst; - u_char *dst2src; -} ngx_http_charset_tables_t; - - -typedef struct { - ngx_array_t charsets; /* ngx_http_charset_t */ - ngx_array_t tables; /* ngx_http_charset_tables_t */ - ngx_array_t recodes; /* ngx_http_charset_recode_t */ -} ngx_http_charset_main_conf_t; - - -typedef struct { - ngx_int_t charset; - ngx_int_t source_charset; - ngx_flag_t override_charset; - - ngx_hash_t types; - ngx_array_t *types_keys; -} ngx_http_charset_loc_conf_t; - - -typedef struct { - u_char *table; - ngx_int_t charset; - ngx_str_t charset_name; - - ngx_chain_t *busy; - ngx_chain_t *free_bufs; - ngx_chain_t *free_buffers; - - size_t saved_len; - u_char saved[NGX_UTF_LEN]; - - unsigned length:16; - unsigned from_utf8:1; - unsigned to_utf8:1; -} ngx_http_charset_ctx_t; - - -typedef struct { - ngx_http_charset_tables_t *table; - ngx_http_charset_t *charset; - ngx_uint_t characters; -} ngx_http_charset_conf_ctx_t; - - -static ngx_int_t ngx_http_destination_charset(ngx_http_request_t *r, - ngx_str_t *name); -static ngx_int_t ngx_http_main_request_charset(ngx_http_request_t *r, - ngx_str_t *name); -static ngx_int_t ngx_http_source_charset(ngx_http_request_t *r, - ngx_str_t *name); -static ngx_int_t ngx_http_get_charset(ngx_http_request_t *r, ngx_str_t *name); -static ngx_inline void ngx_http_set_charset(ngx_http_request_t *r, - ngx_str_t *charset); -static ngx_int_t ngx_http_charset_ctx(ngx_http_request_t *r, - ngx_http_charset_t *charsets, ngx_int_t charset, ngx_int_t source_charset); -static ngx_uint_t ngx_http_charset_recode(ngx_buf_t *b, u_char *table); -static ngx_chain_t *ngx_http_charset_recode_from_utf8(ngx_pool_t *pool, - ngx_buf_t *buf, ngx_http_charset_ctx_t *ctx); -static ngx_chain_t *ngx_http_charset_recode_to_utf8(ngx_pool_t *pool, - ngx_buf_t *buf, ngx_http_charset_ctx_t *ctx); - -static ngx_chain_t *ngx_http_charset_get_buf(ngx_pool_t *pool, - ngx_http_charset_ctx_t *ctx); -static ngx_chain_t *ngx_http_charset_get_buffer(ngx_pool_t *pool, - ngx_http_charset_ctx_t *ctx, size_t size); - -static char *ngx_http_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, - void *conf); - -static char *ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static ngx_int_t ngx_http_add_charset(ngx_array_t *charsets, ngx_str_t *name); - -static void *ngx_http_charset_create_main_conf(ngx_conf_t *cf); -static void *ngx_http_charset_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_charset_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_charset_postconfiguration(ngx_conf_t *cf); - - -static ngx_str_t ngx_http_charset_default_types[] = { - ngx_string("text/html"), - ngx_string("text/xml"), - ngx_string("text/plain"), - ngx_string("text/vnd.wap.wml"), - ngx_string("application/javascript"), - ngx_string("application/rss+xml"), - ngx_null_string -}; - - -static ngx_command_t ngx_http_charset_filter_commands[] = { - - { ngx_string("charset"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF - |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, - ngx_http_set_charset_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_charset_loc_conf_t, charset), - NULL }, - - { ngx_string("source_charset"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF - |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, - ngx_http_set_charset_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_charset_loc_conf_t, source_charset), - NULL }, - - { ngx_string("override_charset"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF - |NGX_HTTP_LIF_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_charset_loc_conf_t, override_charset), - NULL }, - - { ngx_string("charset_types"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_types_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_charset_loc_conf_t, types_keys), - &ngx_http_charset_default_types[0] }, - - { ngx_string("charset_map"), - NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE2, - ngx_http_charset_map_block, - NGX_HTTP_MAIN_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_charset_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_charset_postconfiguration, /* postconfiguration */ - - ngx_http_charset_create_main_conf, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_charset_create_loc_conf, /* create location configuration */ - ngx_http_charset_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_charset_filter_module = { - NGX_MODULE_V1, - &ngx_http_charset_filter_module_ctx, /* module context */ - ngx_http_charset_filter_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static ngx_int_t -ngx_http_charset_header_filter(ngx_http_request_t *r) -{ - ngx_int_t charset, source_charset; - ngx_str_t dst, src; - ngx_http_charset_t *charsets; - ngx_http_charset_main_conf_t *mcf; - - if (r == r->main) { - charset = ngx_http_destination_charset(r, &dst); - - } else { - charset = ngx_http_main_request_charset(r, &dst); - } - - if (charset == NGX_ERROR) { - return NGX_ERROR; - } - - if (charset == NGX_DECLINED) { - return ngx_http_next_header_filter(r); - } - - /* charset: charset index or NGX_HTTP_NO_CHARSET */ - - source_charset = ngx_http_source_charset(r, &src); - - if (source_charset == NGX_ERROR) { - return NGX_ERROR; - } - - /* - * source_charset: charset index, NGX_HTTP_NO_CHARSET, - * or NGX_HTTP_CHARSET_OFF - */ - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "charset: \"%V\" > \"%V\"", &src, &dst); - - if (source_charset == NGX_HTTP_CHARSET_OFF) { - ngx_http_set_charset(r, &dst); - - return ngx_http_next_header_filter(r); - } - - if (charset == NGX_HTTP_NO_CHARSET - || source_charset == NGX_HTTP_NO_CHARSET) - { - if (source_charset != charset - || ngx_strncasecmp(dst.data, src.data, dst.len) != 0) - { - goto no_charset_map; - } - - ngx_http_set_charset(r, &dst); - - return ngx_http_next_header_filter(r); - } - - if (source_charset == charset) { - r->headers_out.content_type.len = r->headers_out.content_type_len; - - ngx_http_set_charset(r, &dst); - - return ngx_http_next_header_filter(r); - } - - /* source_charset != charset */ - - if (r->headers_out.content_encoding - && r->headers_out.content_encoding->value.len) - { - return ngx_http_next_header_filter(r); - } - - mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); - charsets = mcf->charsets.elts; - - if (charsets[source_charset].tables == NULL - || charsets[source_charset].tables[charset] == NULL) - { - goto no_charset_map; - } - - r->headers_out.content_type.len = r->headers_out.content_type_len; - - ngx_http_set_charset(r, &dst); - - return ngx_http_charset_ctx(r, charsets, charset, source_charset); - -no_charset_map: - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "no \"charset_map\" between the charsets \"%V\" and \"%V\"", - &src, &dst); - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_destination_charset(ngx_http_request_t *r, ngx_str_t *name) -{ - ngx_int_t charset; - ngx_http_charset_t *charsets; - ngx_http_variable_value_t *vv; - ngx_http_charset_loc_conf_t *mlcf; - ngx_http_charset_main_conf_t *mcf; - - if (r->headers_out.content_type.len == 0) { - return NGX_DECLINED; - } - - if (r->headers_out.override_charset - && r->headers_out.override_charset->len) - { - *name = *r->headers_out.override_charset; - - charset = ngx_http_get_charset(r, name); - - if (charset != NGX_HTTP_NO_CHARSET) { - return charset; - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "unknown charset \"%V\" to override", name); - - return NGX_DECLINED; - } - - mlcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module); - charset = mlcf->charset; - - if (charset == NGX_HTTP_CHARSET_OFF) { - return NGX_DECLINED; - } - - if (r->headers_out.charset.len) { - if (mlcf->override_charset == 0) { - return NGX_DECLINED; - } - - } else { - if (ngx_http_test_content_type(r, &mlcf->types) == NULL) { - return NGX_DECLINED; - } - } - - if (charset < NGX_HTTP_CHARSET_VAR) { - mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); - charsets = mcf->charsets.elts; - *name = charsets[charset].name; - return charset; - } - - vv = ngx_http_get_indexed_variable(r, charset - NGX_HTTP_CHARSET_VAR); - - if (vv == NULL || vv->not_found) { - return NGX_ERROR; - } - - name->len = vv->len; - name->data = vv->data; - - return ngx_http_get_charset(r, name); -} - - -static ngx_int_t -ngx_http_main_request_charset(ngx_http_request_t *r, ngx_str_t *src) -{ - ngx_int_t charset; - ngx_str_t *main_charset; - ngx_http_charset_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r->main, ngx_http_charset_filter_module); - - if (ctx) { - *src = ctx->charset_name; - return ctx->charset; - } - - main_charset = &r->main->headers_out.charset; - - if (main_charset->len == 0) { - return NGX_DECLINED; - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r->main, ctx, ngx_http_charset_filter_module); - - charset = ngx_http_get_charset(r, main_charset); - - ctx->charset = charset; - ctx->charset_name = *main_charset; - *src = *main_charset; - - return charset; -} - - -static ngx_int_t -ngx_http_source_charset(ngx_http_request_t *r, ngx_str_t *name) -{ - ngx_int_t charset; - ngx_http_charset_t *charsets; - ngx_http_variable_value_t *vv; - ngx_http_charset_loc_conf_t *lcf; - ngx_http_charset_main_conf_t *mcf; - - if (r->headers_out.charset.len) { - *name = r->headers_out.charset; - return ngx_http_get_charset(r, name); - } - - lcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module); - - charset = lcf->source_charset; - - if (charset == NGX_HTTP_CHARSET_OFF) { - name->len = 0; - return charset; - } - - if (charset < NGX_HTTP_CHARSET_VAR) { - mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); - charsets = mcf->charsets.elts; - *name = charsets[charset].name; - return charset; - } - - vv = ngx_http_get_indexed_variable(r, charset - NGX_HTTP_CHARSET_VAR); - - if (vv == NULL || vv->not_found) { - return NGX_ERROR; - } - - name->len = vv->len; - name->data = vv->data; - - return ngx_http_get_charset(r, name); -} - - -static ngx_int_t -ngx_http_get_charset(ngx_http_request_t *r, ngx_str_t *name) -{ - ngx_uint_t i, n; - ngx_http_charset_t *charset; - ngx_http_charset_main_conf_t *mcf; - - mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); - - charset = mcf->charsets.elts; - n = mcf->charsets.nelts; - - for (i = 0; i < n; i++) { - if (charset[i].name.len != name->len) { - continue; - } - - if (ngx_strncasecmp(charset[i].name.data, name->data, name->len) == 0) { - return i; - } - } - - return NGX_HTTP_NO_CHARSET; -} - - -static ngx_inline void -ngx_http_set_charset(ngx_http_request_t *r, ngx_str_t *charset) -{ - if (r != r->main) { - return; - } - - if (r->headers_out.status == NGX_HTTP_MOVED_PERMANENTLY - || r->headers_out.status == NGX_HTTP_MOVED_TEMPORARILY) - { - /* - * do not set charset for the redirect because NN 4.x - * use this charset instead of the next page charset - */ - - r->headers_out.charset.len = 0; - return; - } - - r->headers_out.charset = *charset; -} - - -static ngx_int_t -ngx_http_charset_ctx(ngx_http_request_t *r, ngx_http_charset_t *charsets, - ngx_int_t charset, ngx_int_t source_charset) -{ - ngx_http_charset_ctx_t *ctx; - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_charset_filter_module); - - ctx->table = charsets[source_charset].tables[charset]; - ctx->charset = charset; - ctx->charset_name = charsets[charset].name; - ctx->length = charsets[charset].length; - ctx->from_utf8 = charsets[source_charset].utf8; - ctx->to_utf8 = charsets[charset].utf8; - - r->filter_need_in_memory = 1; - - if ((ctx->to_utf8 || ctx->from_utf8) && r == r->main) { - ngx_http_clear_content_length(r); - - } else { - r->filter_need_temporary = 1; - } - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_charset_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - ngx_int_t rc; - ngx_buf_t *b; - ngx_chain_t *cl, *out, **ll; - ngx_http_charset_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_charset_filter_module); - - if (ctx == NULL || ctx->table == NULL) { - return ngx_http_next_body_filter(r, in); - } - - if ((ctx->to_utf8 || ctx->from_utf8) || ctx->busy) { - - out = NULL; - ll = &out; - - for (cl = in; cl; cl = cl->next) { - b = cl->buf; - - if (ngx_buf_size(b) == 0) { - - *ll = ngx_alloc_chain_link(r->pool); - if (*ll == NULL) { - return NGX_ERROR; - } - - (*ll)->buf = b; - (*ll)->next = NULL; - - ll = &(*ll)->next; - - continue; - } - - if (ctx->to_utf8) { - *ll = ngx_http_charset_recode_to_utf8(r->pool, b, ctx); - - } else { - *ll = ngx_http_charset_recode_from_utf8(r->pool, b, ctx); - } - - if (*ll == NULL) { - return NGX_ERROR; - } - - while (*ll) { - ll = &(*ll)->next; - } - } - - rc = ngx_http_next_body_filter(r, out); - - if (out) { - if (ctx->busy == NULL) { - ctx->busy = out; - - } else { - for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ } - cl->next = out; - } - } - - while (ctx->busy) { - - cl = ctx->busy; - b = cl->buf; - - if (ngx_buf_size(b) != 0) { - break; - } - - ctx->busy = cl->next; - - if (b->tag != (ngx_buf_tag_t) &ngx_http_charset_filter_module) { - continue; - } - - if (b->shadow) { - b->shadow->pos = b->shadow->last; - } - - if (b->pos) { - cl->next = ctx->free_buffers; - ctx->free_buffers = cl; - continue; - } - - cl->next = ctx->free_bufs; - ctx->free_bufs = cl; - } - - return rc; - } - - for (cl = in; cl; cl = cl->next) { - (void) ngx_http_charset_recode(cl->buf, ctx->table); - } - - return ngx_http_next_body_filter(r, in); -} - - -static ngx_uint_t -ngx_http_charset_recode(ngx_buf_t *b, u_char *table) -{ - u_char *p, *last; - - last = b->last; - - for (p = b->pos; p < last; p++) { - - if (*p != table[*p]) { - goto recode; - } - } - - return 0; - -recode: - - do { - if (*p != table[*p]) { - *p = table[*p]; - } - - p++; - - } while (p < last); - - b->in_file = 0; - - return 1; -} - - -static ngx_chain_t * -ngx_http_charset_recode_from_utf8(ngx_pool_t *pool, ngx_buf_t *buf, - ngx_http_charset_ctx_t *ctx) -{ - size_t len, size; - u_char c, *p, *src, *dst, *saved, **table; - uint32_t n; - ngx_buf_t *b; - ngx_uint_t i; - ngx_chain_t *out, *cl, **ll; - - src = buf->pos; - - if (ctx->saved_len == 0) { - - for ( /* void */ ; src < buf->last; src++) { - - if (*src < 0x80) { - continue; - } - - len = src - buf->pos; - - if (len > 512) { - out = ngx_http_charset_get_buf(pool, ctx); - if (out == NULL) { - return NULL; - } - - b = out->buf; - - b->temporary = buf->temporary; - b->memory = buf->memory; - b->mmap = buf->mmap; - b->flush = buf->flush; - - b->pos = buf->pos; - b->last = src; - - out->buf = b; - out->next = NULL; - - size = buf->last - src; - - saved = src; - n = ngx_utf8_decode(&saved, size); - - if (n == 0xfffffffe) { - /* incomplete UTF-8 symbol */ - - ngx_memcpy(ctx->saved, src, size); - ctx->saved_len = size; - - b->shadow = buf; - - return out; - } - - } else { - out = NULL; - size = len + buf->last - src; - src = buf->pos; - } - - if (size < NGX_HTML_ENTITY_LEN) { - size += NGX_HTML_ENTITY_LEN; - } - - cl = ngx_http_charset_get_buffer(pool, ctx, size); - if (cl == NULL) { - return NULL; - } - - if (out) { - out->next = cl; - - } else { - out = cl; - } - - b = cl->buf; - dst = b->pos; - - goto recode; - } - - out = ngx_alloc_chain_link(pool); - if (out == NULL) { - return NULL; - } - - out->buf = buf; - out->next = NULL; - - return out; - } - - /* process incomplete UTF sequence from previous buffer */ - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pool->log, 0, - "http charset utf saved: %z", ctx->saved_len); - - p = src; - - for (i = ctx->saved_len; i < NGX_UTF_LEN; i++) { - ctx->saved[i] = *p++; - - if (p == buf->last) { - break; - } - } - - saved = ctx->saved; - n = ngx_utf8_decode(&saved, i); - - c = '\0'; - - if (n < 0x10000) { - table = (u_char **) ctx->table; - p = table[n >> 8]; - - if (p) { - c = p[n & 0xff]; - } - - } else if (n == 0xfffffffe) { - - /* incomplete UTF-8 symbol */ - - if (i < NGX_UTF_LEN) { - out = ngx_http_charset_get_buf(pool, ctx); - if (out == NULL) { - return NULL; - } - - b = out->buf; - - b->pos = buf->pos; - b->last = buf->last; - b->sync = 1; - b->shadow = buf; - - ngx_memcpy(&ctx->saved[ctx->saved_len], src, i); - ctx->saved_len += i; - - return out; - } - } - - size = buf->last - buf->pos; - - if (size < NGX_HTML_ENTITY_LEN) { - size += NGX_HTML_ENTITY_LEN; - } - - cl = ngx_http_charset_get_buffer(pool, ctx, size); - if (cl == NULL) { - return NULL; - } - - out = cl; - - b = cl->buf; - dst = b->pos; - - if (c) { - *dst++ = c; - - } else if (n == 0xfffffffe) { - *dst++ = '?'; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, - "http charset invalid utf 0"); - - saved = &ctx->saved[NGX_UTF_LEN]; - - } else if (n > 0x10ffff) { - *dst++ = '?'; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, - "http charset invalid utf 1"); - - } else { - dst = ngx_sprintf(dst, "&#%uD;", n); - } - - src += (saved - ctx->saved) - ctx->saved_len; - ctx->saved_len = 0; - -recode: - - ll = &cl->next; - - table = (u_char **) ctx->table; - - while (src < buf->last) { - - if ((size_t) (b->end - dst) < NGX_HTML_ENTITY_LEN) { - b->last = dst; - - size = buf->last - src + NGX_HTML_ENTITY_LEN; - - cl = ngx_http_charset_get_buffer(pool, ctx, size); - if (cl == NULL) { - return NULL; - } - - *ll = cl; - ll = &cl->next; - - b = cl->buf; - dst = b->pos; - } - - if (*src < 0x80) { - *dst++ = *src++; - continue; - } - - len = buf->last - src; - - n = ngx_utf8_decode(&src, len); - - if (n < 0x10000) { - - p = table[n >> 8]; - - if (p) { - c = p[n & 0xff]; - - if (c) { - *dst++ = c; - continue; - } - } - - dst = ngx_sprintf(dst, "&#%uD;", n); - - continue; - } - - if (n == 0xfffffffe) { - /* incomplete UTF-8 symbol */ - - ngx_memcpy(ctx->saved, src, len); - ctx->saved_len = len; - - if (b->pos == dst) { - b->sync = 1; - b->temporary = 0; - } - - break; - } - - if (n > 0x10ffff) { - *dst++ = '?'; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, - "http charset invalid utf 2"); - - continue; - } - - /* n > 0xffff */ - - dst = ngx_sprintf(dst, "&#%uD;", n); - } - - b->last = dst; - - b->last_buf = buf->last_buf; - b->last_in_chain = buf->last_in_chain; - b->flush = buf->flush; - - b->shadow = buf; - - return out; -} - - -static ngx_chain_t * -ngx_http_charset_recode_to_utf8(ngx_pool_t *pool, ngx_buf_t *buf, - ngx_http_charset_ctx_t *ctx) -{ - size_t len, size; - u_char *p, *src, *dst, *table; - ngx_buf_t *b; - ngx_chain_t *out, *cl, **ll; - - table = ctx->table; - - for (src = buf->pos; src < buf->last; src++) { - if (table[*src * NGX_UTF_LEN] == '\1') { - continue; - } - - goto recode; - } - - out = ngx_alloc_chain_link(pool); - if (out == NULL) { - return NULL; - } - - out->buf = buf; - out->next = NULL; - - return out; - -recode: - - /* - * we assume that there are about half of characters to be recoded, - * so we preallocate "size / 2 + size / 2 * ctx->length" - */ - - len = src - buf->pos; - - if (len > 512) { - out = ngx_http_charset_get_buf(pool, ctx); - if (out == NULL) { - return NULL; - } - - b = out->buf; - - b->temporary = buf->temporary; - b->memory = buf->memory; - b->mmap = buf->mmap; - b->flush = buf->flush; - - b->pos = buf->pos; - b->last = src; - - out->buf = b; - out->next = NULL; - - size = buf->last - src; - size = size / 2 + size / 2 * ctx->length; - - } else { - out = NULL; - - size = buf->last - src; - size = len + size / 2 + size / 2 * ctx->length; - - src = buf->pos; - } - - cl = ngx_http_charset_get_buffer(pool, ctx, size); - if (cl == NULL) { - return NULL; - } - - if (out) { - out->next = cl; - - } else { - out = cl; - } - - ll = &cl->next; - - b = cl->buf; - dst = b->pos; - - while (src < buf->last) { - - p = &table[*src++ * NGX_UTF_LEN]; - len = *p++; - - if ((size_t) (b->end - dst) < len) { - b->last = dst; - - size = buf->last - src; - size = len + size / 2 + size / 2 * ctx->length; - - cl = ngx_http_charset_get_buffer(pool, ctx, size); - if (cl == NULL) { - return NULL; - } - - *ll = cl; - ll = &cl->next; - - b = cl->buf; - dst = b->pos; - } - - while (len) { - *dst++ = *p++; - len--; - } - } - - b->last = dst; - - b->last_buf = buf->last_buf; - b->last_in_chain = buf->last_in_chain; - b->flush = buf->flush; - - b->shadow = buf; - - return out; -} - - -static ngx_chain_t * -ngx_http_charset_get_buf(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx) -{ - ngx_chain_t *cl; - - cl = ctx->free_bufs; - - if (cl) { - ctx->free_bufs = cl->next; - - cl->buf->shadow = NULL; - cl->next = NULL; - - return cl; - } - - cl = ngx_alloc_chain_link(pool); - if (cl == NULL) { - return NULL; - } - - cl->buf = ngx_calloc_buf(pool); - if (cl->buf == NULL) { - return NULL; - } - - cl->next = NULL; - - cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; - - return cl; -} - - -static ngx_chain_t * -ngx_http_charset_get_buffer(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx, - size_t size) -{ - ngx_buf_t *b; - ngx_chain_t *cl, **ll; - - for (ll = &ctx->free_buffers, cl = ctx->free_buffers; - cl; - ll = &cl->next, cl = cl->next) - { - b = cl->buf; - - if ((size_t) (b->end - b->start) >= size) { - *ll = cl->next; - cl->next = NULL; - - b->pos = b->start; - b->temporary = 1; - b->shadow = NULL; - - return cl; - } - } - - cl = ngx_alloc_chain_link(pool); - if (cl == NULL) { - return NULL; - } - - cl->buf = ngx_create_temp_buf(pool, size); - if (cl->buf == NULL) { - return NULL; - } - - cl->next = NULL; - - cl->buf->temporary = 1; - cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; - - return cl; -} - - -static char * -ngx_http_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_charset_main_conf_t *mcf = conf; - - char *rv; - u_char *p, *dst2src, **pp; - ngx_int_t src, dst; - ngx_uint_t i, n; - ngx_str_t *value; - ngx_conf_t pvcf; - ngx_http_charset_t *charset; - ngx_http_charset_tables_t *table; - ngx_http_charset_conf_ctx_t ctx; - - value = cf->args->elts; - - src = ngx_http_add_charset(&mcf->charsets, &value[1]); - if (src == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - dst = ngx_http_add_charset(&mcf->charsets, &value[2]); - if (dst == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - if (src == dst) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"charset_map\" between the same charsets " - "\"%V\" and \"%V\"", &value[1], &value[2]); - return NGX_CONF_ERROR; - } - - table = mcf->tables.elts; - for (i = 0; i < mcf->tables.nelts; i++) { - if ((src == table->src && dst == table->dst) - || (src == table->dst && dst == table->src)) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "duplicate \"charset_map\" between " - "\"%V\" and \"%V\"", &value[1], &value[2]); - return NGX_CONF_ERROR; - } - } - - table = ngx_array_push(&mcf->tables); - if (table == NULL) { - return NGX_CONF_ERROR; - } - - table->src = src; - table->dst = dst; - - if (ngx_strcasecmp(value[2].data, (u_char *) "utf-8") == 0) { - table->src2dst = ngx_pcalloc(cf->pool, 256 * NGX_UTF_LEN); - if (table->src2dst == NULL) { - return NGX_CONF_ERROR; - } - - table->dst2src = ngx_pcalloc(cf->pool, 256 * sizeof(void *)); - if (table->dst2src == NULL) { - return NGX_CONF_ERROR; - } - - dst2src = ngx_pcalloc(cf->pool, 256); - if (dst2src == NULL) { - return NGX_CONF_ERROR; - } - - pp = (u_char **) &table->dst2src[0]; - pp[0] = dst2src; - - for (i = 0; i < 128; i++) { - p = &table->src2dst[i * NGX_UTF_LEN]; - p[0] = '\1'; - p[1] = (u_char) i; - dst2src[i] = (u_char) i; - } - - for (/* void */; i < 256; i++) { - p = &table->src2dst[i * NGX_UTF_LEN]; - p[0] = '\1'; - p[1] = '?'; - } - - } else { - table->src2dst = ngx_palloc(cf->pool, 256); - if (table->src2dst == NULL) { - return NGX_CONF_ERROR; - } - - table->dst2src = ngx_palloc(cf->pool, 256); - if (table->dst2src == NULL) { - return NGX_CONF_ERROR; - } - - for (i = 0; i < 128; i++) { - table->src2dst[i] = (u_char) i; - table->dst2src[i] = (u_char) i; - } - - for (/* void */; i < 256; i++) { - table->src2dst[i] = '?'; - table->dst2src[i] = '?'; - } - } - - charset = mcf->charsets.elts; - - ctx.table = table; - ctx.charset = &charset[dst]; - ctx.characters = 0; - - pvcf = *cf; - cf->ctx = &ctx; - cf->handler = ngx_http_charset_map; - cf->handler_conf = conf; - - rv = ngx_conf_parse(cf, NULL); - - *cf = pvcf; - - if (ctx.characters) { - n = ctx.charset->length; - ctx.charset->length /= ctx.characters; - - if (((n * 10) / ctx.characters) % 10 > 4) { - ctx.charset->length++; - } - } - - return rv; -} - - -static char * -ngx_http_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf) -{ - u_char *p, *dst2src, **pp; - uint32_t n; - ngx_int_t src, dst; - ngx_str_t *value; - ngx_uint_t i; - ngx_http_charset_tables_t *table; - ngx_http_charset_conf_ctx_t *ctx; - - if (cf->args->nelts != 2) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameters number"); - return NGX_CONF_ERROR; - } - - value = cf->args->elts; - - src = ngx_hextoi(value[0].data, value[0].len); - if (src == NGX_ERROR || src > 255) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid value \"%V\"", &value[0]); - return NGX_CONF_ERROR; - } - - ctx = cf->ctx; - table = ctx->table; - - if (ctx->charset->utf8) { - p = &table->src2dst[src * NGX_UTF_LEN]; - - *p++ = (u_char) (value[1].len / 2); - - for (i = 0; i < value[1].len; i += 2) { - dst = ngx_hextoi(&value[1].data[i], 2); - if (dst == NGX_ERROR || dst > 255) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid value \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - *p++ = (u_char) dst; - } - - i /= 2; - - ctx->charset->length += i; - ctx->characters++; - - p = &table->src2dst[src * NGX_UTF_LEN] + 1; - - n = ngx_utf8_decode(&p, i); - - if (n > 0xffff) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid value \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - pp = (u_char **) &table->dst2src[0]; - - dst2src = pp[n >> 8]; - - if (dst2src == NULL) { - dst2src = ngx_pcalloc(cf->pool, 256); - if (dst2src == NULL) { - return NGX_CONF_ERROR; - } - - pp[n >> 8] = dst2src; - } - - dst2src[n & 0xff] = (u_char) src; - - } else { - dst = ngx_hextoi(value[1].data, value[1].len); - if (dst == NGX_ERROR || dst > 255) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid value \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - table->src2dst[src] = (u_char) dst; - table->dst2src[dst] = (u_char) src; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - char *p = conf; - - ngx_int_t *cp; - ngx_str_t *value, var; - ngx_http_charset_main_conf_t *mcf; - - cp = (ngx_int_t *) (p + cmd->offset); - - if (*cp != NGX_CONF_UNSET) { - return "is duplicate"; - } - - value = cf->args->elts; - - if (cmd->offset == offsetof(ngx_http_charset_loc_conf_t, charset) - && ngx_strcmp(value[1].data, "off") == 0) - { - *cp = NGX_HTTP_CHARSET_OFF; - return NGX_CONF_OK; - } - - - if (value[1].data[0] == '$') { - var.len = value[1].len - 1; - var.data = value[1].data + 1; - - *cp = ngx_http_get_variable_index(cf, &var); - - if (*cp == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - *cp += NGX_HTTP_CHARSET_VAR; - - return NGX_CONF_OK; - } - - mcf = ngx_http_conf_get_module_main_conf(cf, - ngx_http_charset_filter_module); - - *cp = ngx_http_add_charset(&mcf->charsets, &value[1]); - if (*cp == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_add_charset(ngx_array_t *charsets, ngx_str_t *name) -{ - ngx_uint_t i; - ngx_http_charset_t *c; - - c = charsets->elts; - for (i = 0; i < charsets->nelts; i++) { - if (name->len != c[i].name.len) { - continue; - } - - if (ngx_strcasecmp(name->data, c[i].name.data) == 0) { - break; - } - } - - if (i < charsets->nelts) { - return i; - } - - c = ngx_array_push(charsets); - if (c == NULL) { - return NGX_ERROR; - } - - c->tables = NULL; - c->name = *name; - c->length = 0; - - if (ngx_strcasecmp(name->data, (u_char *) "utf-8") == 0) { - c->utf8 = 1; - - } else { - c->utf8 = 0; - } - - return i; -} - - -static void * -ngx_http_charset_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_charset_main_conf_t *mcf; - - mcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_main_conf_t)); - if (mcf == NULL) { - return NULL; - } - - if (ngx_array_init(&mcf->charsets, cf->pool, 2, sizeof(ngx_http_charset_t)) - != NGX_OK) - { - return NULL; - } - - if (ngx_array_init(&mcf->tables, cf->pool, 1, - sizeof(ngx_http_charset_tables_t)) - != NGX_OK) - { - return NULL; - } - - if (ngx_array_init(&mcf->recodes, cf->pool, 2, - sizeof(ngx_http_charset_recode_t)) - != NGX_OK) - { - return NULL; - } - - return mcf; -} - - -static void * -ngx_http_charset_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_charset_loc_conf_t *lcf; - - lcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_loc_conf_t)); - if (lcf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * lcf->types = { NULL }; - * lcf->types_keys = NULL; - */ - - lcf->charset = NGX_CONF_UNSET; - lcf->source_charset = NGX_CONF_UNSET; - lcf->override_charset = NGX_CONF_UNSET; - - return lcf; -} - - -static char * -ngx_http_charset_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_charset_loc_conf_t *prev = parent; - ngx_http_charset_loc_conf_t *conf = child; - - ngx_uint_t i; - ngx_http_charset_recode_t *recode; - ngx_http_charset_main_conf_t *mcf; - - if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types, - &prev->types_keys, &prev->types, - ngx_http_charset_default_types) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - ngx_conf_merge_value(conf->override_charset, prev->override_charset, 0); - ngx_conf_merge_value(conf->charset, prev->charset, NGX_HTTP_CHARSET_OFF); - ngx_conf_merge_value(conf->source_charset, prev->source_charset, - NGX_HTTP_CHARSET_OFF); - - if (conf->charset == NGX_HTTP_CHARSET_OFF - || conf->source_charset == NGX_HTTP_CHARSET_OFF - || conf->charset == conf->source_charset) - { - return NGX_CONF_OK; - } - - if (conf->source_charset >= NGX_HTTP_CHARSET_VAR - || conf->charset >= NGX_HTTP_CHARSET_VAR) - { - return NGX_CONF_OK; - } - - mcf = ngx_http_conf_get_module_main_conf(cf, - ngx_http_charset_filter_module); - recode = mcf->recodes.elts; - for (i = 0; i < mcf->recodes.nelts; i++) { - if (conf->source_charset == recode[i].src - && conf->charset == recode[i].dst) - { - return NGX_CONF_OK; - } - } - - recode = ngx_array_push(&mcf->recodes); - if (recode == NULL) { - return NGX_CONF_ERROR; - } - - recode->src = conf->source_charset; - recode->dst = conf->charset; - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_charset_postconfiguration(ngx_conf_t *cf) -{ - u_char **src, **dst; - ngx_int_t c; - ngx_uint_t i, t; - ngx_http_charset_t *charset; - ngx_http_charset_recode_t *recode; - ngx_http_charset_tables_t *tables; - ngx_http_charset_main_conf_t *mcf; - - mcf = ngx_http_conf_get_module_main_conf(cf, - ngx_http_charset_filter_module); - - recode = mcf->recodes.elts; - tables = mcf->tables.elts; - charset = mcf->charsets.elts; - - for (i = 0; i < mcf->recodes.nelts; i++) { - - c = recode[i].src; - - for (t = 0; t < mcf->tables.nelts; t++) { - - if (c == tables[t].src && recode[i].dst == tables[t].dst) { - goto next; - } - - if (c == tables[t].dst && recode[i].dst == tables[t].src) { - goto next; - } - } - - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no \"charset_map\" between the charsets \"%V\" and \"%V\"", - &charset[c].name, &charset[recode[i].dst].name); - return NGX_ERROR; - - next: - continue; - } - - - for (t = 0; t < mcf->tables.nelts; t++) { - - src = charset[tables[t].src].tables; - - if (src == NULL) { - src = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); - if (src == NULL) { - return NGX_ERROR; - } - - charset[tables[t].src].tables = src; - } - - dst = charset[tables[t].dst].tables; - - if (dst == NULL) { - dst = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); - if (dst == NULL) { - return NGX_ERROR; - } - - charset[tables[t].dst].tables = dst; - } - - src[tables[t].dst] = tables[t].src2dst; - dst[tables[t].src] = tables[t].dst2src; - } - - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_charset_header_filter; - - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_charset_body_filter; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_chunked_filter_module.c b/nginx/src/http/modules/ngx_http_chunked_filter_module.c deleted file mode 100644 index 4d6fd3e..0000000 --- a/nginx/src/http/modules/ngx_http_chunked_filter_module.c +++ /dev/null @@ -1,341 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_chain_t *free; - ngx_chain_t *busy; -} ngx_http_chunked_filter_ctx_t; - - -static ngx_int_t ngx_http_chunked_filter_init(ngx_conf_t *cf); -static ngx_chain_t *ngx_http_chunked_create_trailers(ngx_http_request_t *r, - ngx_http_chunked_filter_ctx_t *ctx); - - -static ngx_http_module_t ngx_http_chunked_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_chunked_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_chunked_filter_module = { - NGX_MODULE_V1, - &ngx_http_chunked_filter_module_ctx, /* module context */ - NULL, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static ngx_int_t -ngx_http_chunked_header_filter(ngx_http_request_t *r) -{ - ngx_http_core_loc_conf_t *clcf; - ngx_http_chunked_filter_ctx_t *ctx; - - if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED - || r->headers_out.status == NGX_HTTP_NO_CONTENT - || r->headers_out.status < NGX_HTTP_OK - || r != r->main - || r->method == NGX_HTTP_HEAD) - { - return ngx_http_next_header_filter(r); - } - - if (r->headers_out.content_length_n == -1 - || r->expect_trailers) - { - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (r->http_version >= NGX_HTTP_VERSION_11 - && clcf->chunked_transfer_encoding) - { - if (r->expect_trailers) { - ngx_http_clear_content_length(r); - } - - r->chunked = 1; - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_chunked_filter_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_chunked_filter_module); - - } else if (r->headers_out.content_length_n == -1) { - r->keepalive = 0; - } - } - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_chunked_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - u_char *chunk; - off_t size; - ngx_int_t rc; - ngx_buf_t *b; - ngx_chain_t *out, *cl, *tl, **ll; - ngx_http_chunked_filter_ctx_t *ctx; - - if (in == NULL || !r->chunked || r->header_only) { - return ngx_http_next_body_filter(r, in); - } - - ctx = ngx_http_get_module_ctx(r, ngx_http_chunked_filter_module); - - out = NULL; - ll = &out; - - size = 0; - cl = in; - - for ( ;; ) { - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http chunk: %O", ngx_buf_size(cl->buf)); - - size += ngx_buf_size(cl->buf); - - if (cl->buf->flush - || cl->buf->sync - || ngx_buf_in_memory(cl->buf) - || cl->buf->in_file) - { - tl = ngx_alloc_chain_link(r->pool); - if (tl == NULL) { - return NGX_ERROR; - } - - tl->buf = cl->buf; - *ll = tl; - ll = &tl->next; - } - - if (cl->next == NULL) { - break; - } - - cl = cl->next; - } - - if (size) { - tl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (tl == NULL) { - return NGX_ERROR; - } - - b = tl->buf; - chunk = b->start; - - if (chunk == NULL) { - /* the "0000000000000000" is 64-bit hexadecimal string */ - - chunk = ngx_palloc(r->pool, sizeof("0000000000000000" CRLF) - 1); - if (chunk == NULL) { - return NGX_ERROR; - } - - b->start = chunk; - b->end = chunk + sizeof("0000000000000000" CRLF) - 1; - } - - b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module; - b->memory = 0; - b->temporary = 1; - b->pos = chunk; - b->last = ngx_sprintf(chunk, "%xO" CRLF, size); - - tl->next = out; - out = tl; - } - - if (cl->buf->last_buf) { - tl = ngx_http_chunked_create_trailers(r, ctx); - if (tl == NULL) { - return NGX_ERROR; - } - - cl->buf->last_buf = 0; - - *ll = tl; - - if (size == 0) { - tl->buf->pos += 2; - } - - } else if (size > 0) { - tl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (tl == NULL) { - return NGX_ERROR; - } - - b = tl->buf; - - b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module; - b->temporary = 0; - b->memory = 1; - b->pos = (u_char *) CRLF; - b->last = b->pos + 2; - - *ll = tl; - - } else { - *ll = NULL; - } - - rc = ngx_http_next_body_filter(r, out); - - ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &out, - (ngx_buf_tag_t) &ngx_http_chunked_filter_module); - - return rc; -} - - -static ngx_chain_t * -ngx_http_chunked_create_trailers(ngx_http_request_t *r, - ngx_http_chunked_filter_ctx_t *ctx) -{ - size_t len; - ngx_buf_t *b; - ngx_uint_t i; - ngx_chain_t *cl; - ngx_list_part_t *part; - ngx_table_elt_t *header; - - len = 0; - - part = &r->headers_out.trailers.part; - header = part->elts; - - for (i = 0; /* void */; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - if (header[i].hash == 0) { - continue; - } - - len += header[i].key.len + sizeof(": ") - 1 - + header[i].value.len + sizeof(CRLF) - 1; - } - - cl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (cl == NULL) { - return NULL; - } - - b = cl->buf; - - b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module; - b->temporary = 0; - b->memory = 1; - b->last_buf = 1; - - if (len == 0) { - b->pos = (u_char *) CRLF "0" CRLF CRLF; - b->last = b->pos + sizeof(CRLF "0" CRLF CRLF) - 1; - return cl; - } - - len += sizeof(CRLF "0" CRLF CRLF) - 1; - - b->pos = ngx_palloc(r->pool, len); - if (b->pos == NULL) { - return NULL; - } - - b->last = b->pos; - - *b->last++ = CR; *b->last++ = LF; - *b->last++ = '0'; - *b->last++ = CR; *b->last++ = LF; - - part = &r->headers_out.trailers.part; - header = part->elts; - - for (i = 0; /* void */; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - if (header[i].hash == 0) { - continue; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http trailer: \"%V: %V\"", - &header[i].key, &header[i].value); - - b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len); - *b->last++ = ':'; *b->last++ = ' '; - - b->last = ngx_copy(b->last, header[i].value.data, header[i].value.len); - *b->last++ = CR; *b->last++ = LF; - } - - *b->last++ = CR; *b->last++ = LF; - - return cl; -} - - -static ngx_int_t -ngx_http_chunked_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_chunked_header_filter; - - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_chunked_body_filter; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_dav_module.c b/nginx/src/http/modules/ngx_http_dav_module.c deleted file mode 100644 index 55ad9eb..0000000 --- a/nginx/src/http/modules/ngx_http_dav_module.c +++ /dev/null @@ -1,1169 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -#define NGX_HTTP_DAV_OFF 2 - - -#define NGX_HTTP_DAV_NO_DEPTH -3 -#define NGX_HTTP_DAV_INVALID_DEPTH -2 -#define NGX_HTTP_DAV_INFINITY_DEPTH -1 - - -typedef struct { - ngx_uint_t methods; - ngx_uint_t access; - ngx_uint_t min_delete_depth; - ngx_flag_t create_full_put_path; -} ngx_http_dav_loc_conf_t; - - -typedef struct { - ngx_str_t path; - size_t len; -} ngx_http_dav_copy_ctx_t; - - -static ngx_int_t ngx_http_dav_handler(ngx_http_request_t *r); - -static void ngx_http_dav_put_handler(ngx_http_request_t *r); - -static ngx_int_t ngx_http_dav_delete_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_dav_delete_path(ngx_http_request_t *r, - ngx_str_t *path, ngx_uint_t dir); -static ngx_int_t ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path); -static ngx_int_t ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path); -static ngx_int_t ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path); - -static ngx_int_t ngx_http_dav_mkcol_handler(ngx_http_request_t *r, - ngx_http_dav_loc_conf_t *dlcf); - -static ngx_int_t ngx_http_dav_copy_move_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_dav_copy_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path); -static ngx_int_t ngx_http_dav_copy_dir_time(ngx_tree_ctx_t *ctx, - ngx_str_t *path); -static ngx_int_t ngx_http_dav_copy_tree_file(ngx_tree_ctx_t *ctx, - ngx_str_t *path); - -static ngx_int_t ngx_http_dav_depth(ngx_http_request_t *r, ngx_int_t dflt); -static ngx_int_t ngx_http_dav_error(ngx_log_t *log, ngx_err_t err, - ngx_int_t not_found, char *failed, u_char *path); -static ngx_int_t ngx_http_dav_location(ngx_http_request_t *r, u_char *path); -static void *ngx_http_dav_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_dav_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_dav_init(ngx_conf_t *cf); - - -static ngx_conf_bitmask_t ngx_http_dav_methods_mask[] = { - { ngx_string("off"), NGX_HTTP_DAV_OFF }, - { ngx_string("put"), NGX_HTTP_PUT }, - { ngx_string("delete"), NGX_HTTP_DELETE }, - { ngx_string("mkcol"), NGX_HTTP_MKCOL }, - { ngx_string("copy"), NGX_HTTP_COPY }, - { ngx_string("move"), NGX_HTTP_MOVE }, - { ngx_null_string, 0 } -}; - - -static ngx_command_t ngx_http_dav_commands[] = { - - { ngx_string("dav_methods"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_dav_loc_conf_t, methods), - &ngx_http_dav_methods_mask }, - - { ngx_string("create_full_put_path"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_dav_loc_conf_t, create_full_put_path), - NULL }, - - { ngx_string("min_delete_depth"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_dav_loc_conf_t, min_delete_depth), - NULL }, - - { ngx_string("dav_access"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, - ngx_conf_set_access_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_dav_loc_conf_t, access), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_dav_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_dav_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_dav_create_loc_conf, /* create location configuration */ - ngx_http_dav_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_dav_module = { - NGX_MODULE_V1, - &ngx_http_dav_module_ctx, /* module context */ - ngx_http_dav_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_dav_handler(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_http_dav_loc_conf_t *dlcf; - - dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module); - - if (!(r->method & dlcf->methods)) { - return NGX_DECLINED; - } - - switch (r->method) { - - case NGX_HTTP_PUT: - - if (r->uri.data[r->uri.len - 1] == '/') { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "cannot PUT to a collection"); - return NGX_HTTP_CONFLICT; - } - - if (r->headers_in.content_range) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "PUT with range is unsupported"); - return NGX_HTTP_NOT_IMPLEMENTED; - } - - r->request_body_in_file_only = 1; - r->request_body_in_persistent_file = 1; - r->request_body_in_clean_file = 1; - r->request_body_file_group_access = 1; - r->request_body_file_log_level = 0; - - rc = ngx_http_read_client_request_body(r, ngx_http_dav_put_handler); - - if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { - return rc; - } - - return NGX_DONE; - - case NGX_HTTP_DELETE: - - return ngx_http_dav_delete_handler(r); - - case NGX_HTTP_MKCOL: - - return ngx_http_dav_mkcol_handler(r, dlcf); - - case NGX_HTTP_COPY: - - return ngx_http_dav_copy_move_handler(r); - - case NGX_HTTP_MOVE: - - return ngx_http_dav_copy_move_handler(r); - } - - return NGX_DECLINED; -} - - -static void -ngx_http_dav_put_handler(ngx_http_request_t *r) -{ - size_t root; - time_t date; - ngx_str_t *temp, path; - ngx_uint_t status; - ngx_file_info_t fi; - ngx_ext_rename_file_t ext; - ngx_http_dav_loc_conf_t *dlcf; - - if (r->request_body == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "PUT request body is unavailable"); - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return; - } - - if (r->request_body->temp_file == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "PUT request body must be in a file"); - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return; - } - - if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return; - } - - path.len--; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http put filename: \"%s\"", path.data); - - temp = &r->request_body->temp_file->file.name; - - if (ngx_file_info(path.data, &fi) == NGX_FILE_ERROR) { - status = NGX_HTTP_CREATED; - - } else { - status = NGX_HTTP_NO_CONTENT; - - if (ngx_is_dir(&fi)) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_EISDIR, - "\"%s\" could not be created", path.data); - - if (ngx_delete_file(temp->data) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, - ngx_delete_file_n " \"%s\" failed", - temp->data); - } - - ngx_http_finalize_request(r, NGX_HTTP_CONFLICT); - return; - } - } - - dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module); - - ext.access = dlcf->access; - ext.path_access = dlcf->access; - ext.time = -1; - ext.create_path = dlcf->create_full_put_path; - ext.delete_file = 1; - ext.log = r->connection->log; - - if (r->headers_in.date) { - date = ngx_parse_http_time(r->headers_in.date->value.data, - r->headers_in.date->value.len); - - if (date != NGX_ERROR) { - ext.time = date; - ext.fd = r->request_body->temp_file->file.fd; - } - } - - if (ngx_ext_rename_file(temp, &path, &ext) != NGX_OK) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return; - } - - if (status == NGX_HTTP_CREATED) { - if (ngx_http_dav_location(r, path.data) != NGX_OK) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return; - } - - r->headers_out.content_length_n = 0; - } - - r->headers_out.status = status; - r->header_only = 1; - - ngx_http_finalize_request(r, ngx_http_send_header(r)); - return; -} - - -static ngx_int_t -ngx_http_dav_delete_handler(ngx_http_request_t *r) -{ - size_t root; - ngx_err_t err; - ngx_int_t rc, depth; - ngx_uint_t i, d, dir; - ngx_str_t path; - ngx_file_info_t fi; - ngx_http_dav_loc_conf_t *dlcf; - - if (r->headers_in.content_length_n > 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "DELETE with body is unsupported"); - return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE; - } - - dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module); - - if (dlcf->min_delete_depth) { - d = 0; - - for (i = 0; i < r->uri.len; /* void */) { - if (r->uri.data[i++] == '/') { - if (++d >= dlcf->min_delete_depth && i < r->uri.len) { - goto ok; - } - } - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "insufficient URI depth:%i to DELETE", d); - return NGX_HTTP_CONFLICT; - } - -ok: - - if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http delete filename: \"%s\"", path.data); - - if (ngx_link_info(path.data, &fi) == NGX_FILE_ERROR) { - err = ngx_errno; - - rc = (err == NGX_ENOTDIR) ? NGX_HTTP_CONFLICT : NGX_HTTP_NOT_FOUND; - - return ngx_http_dav_error(r->connection->log, err, - rc, ngx_link_info_n, path.data); - } - - if (ngx_is_dir(&fi)) { - - if (r->uri.data[r->uri.len - 1] != '/') { - ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_EISDIR, - "DELETE \"%s\" failed", path.data); - return NGX_HTTP_CONFLICT; - } - - depth = ngx_http_dav_depth(r, NGX_HTTP_DAV_INFINITY_DEPTH); - - if (depth != NGX_HTTP_DAV_INFINITY_DEPTH) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"Depth\" header must be infinity"); - return NGX_HTTP_BAD_REQUEST; - } - - path.len -= 2; /* omit "/\0" */ - - dir = 1; - - } else { - - /* - * we do not need to test (r->uri.data[r->uri.len - 1] == '/') - * because ngx_link_info("/file/") returned NGX_ENOTDIR above - */ - - depth = ngx_http_dav_depth(r, 0); - - if (depth != 0 && depth != NGX_HTTP_DAV_INFINITY_DEPTH) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"Depth\" header must be 0 or infinity"); - return NGX_HTTP_BAD_REQUEST; - } - - dir = 0; - } - - rc = ngx_http_dav_delete_path(r, &path, dir); - - if (rc == NGX_OK) { - return NGX_HTTP_NO_CONTENT; - } - - return rc; -} - - -static ngx_int_t -ngx_http_dav_delete_path(ngx_http_request_t *r, ngx_str_t *path, ngx_uint_t dir) -{ - char *failed; - ngx_tree_ctx_t tree; - - if (dir) { - - tree.init_handler = NULL; - tree.file_handler = ngx_http_dav_delete_file; - tree.pre_tree_handler = ngx_http_dav_noop; - tree.post_tree_handler = ngx_http_dav_delete_dir; - tree.spec_handler = ngx_http_dav_delete_file; - tree.data = NULL; - tree.alloc = 0; - tree.log = r->connection->log; - - /* TODO: 207 */ - - if (ngx_walk_tree(&tree, path) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_delete_dir(path->data) != NGX_FILE_ERROR) { - return NGX_OK; - } - - failed = ngx_delete_dir_n; - - } else { - - if (ngx_delete_file(path->data) != NGX_FILE_ERROR) { - return NGX_OK; - } - - failed = ngx_delete_file_n; - } - - return ngx_http_dav_error(r->connection->log, ngx_errno, - NGX_HTTP_NOT_FOUND, failed, path->data); -} - - -static ngx_int_t -ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path) -{ - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http delete dir: \"%s\"", path->data); - - if (ngx_delete_dir(path->data) == NGX_FILE_ERROR) { - - /* TODO: add to 207 */ - - (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_delete_dir_n, - path->data); - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path) -{ - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http delete file: \"%s\"", path->data); - - if (ngx_delete_file(path->data) == NGX_FILE_ERROR) { - - /* TODO: add to 207 */ - - (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_delete_file_n, - path->data); - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path) -{ - return NGX_OK; -} - - -static ngx_int_t -ngx_http_dav_mkcol_handler(ngx_http_request_t *r, ngx_http_dav_loc_conf_t *dlcf) -{ - u_char *p; - size_t root; - ngx_str_t path; - - if (r->headers_in.content_length_n > 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "MKCOL with body is unsupported"); - return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE; - } - - if (r->uri.data[r->uri.len - 1] != '/') { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "MKCOL can create a collection only"); - return NGX_HTTP_CONFLICT; - } - - p = ngx_http_map_uri_to_path(r, &path, &root, 0); - if (p == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - *(p - 1) = '\0'; - r->uri.len--; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http mkcol path: \"%s\"", path.data); - - if (ngx_create_dir(path.data, ngx_dir_access(dlcf->access)) - != NGX_FILE_ERROR) - { - if (ngx_http_dav_location(r, path.data) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - return NGX_HTTP_CREATED; - } - - return ngx_http_dav_error(r->connection->log, ngx_errno, - NGX_HTTP_CONFLICT, ngx_create_dir_n, path.data); -} - - -static ngx_int_t -ngx_http_dav_copy_move_handler(ngx_http_request_t *r) -{ - u_char *p, *host, *last, ch; - size_t len, root; - ngx_err_t err; - ngx_int_t rc, depth; - ngx_uint_t overwrite, slash, dir, flags; - ngx_str_t path, uri, duri, args; - ngx_tree_ctx_t tree; - ngx_copy_file_t cf; - ngx_file_info_t fi; - ngx_table_elt_t *dest, *over; - ngx_ext_rename_file_t ext; - ngx_http_dav_copy_ctx_t copy; - ngx_http_dav_loc_conf_t *dlcf; - - if (r->headers_in.content_length_n > 0) { - return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE; - } - - dest = r->headers_in.destination; - - if (dest == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "client sent no \"Destination\" header"); - return NGX_HTTP_BAD_REQUEST; - } - - p = dest->value.data; - /* there is always '\0' even after empty header value */ - if (p[0] == '/') { - last = p + dest->value.len; - goto destination_done; - } - - len = r->headers_in.server.len; - - if (len == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "client sent no \"Host\" header"); - return NGX_HTTP_BAD_REQUEST; - } - -#if (NGX_HTTP_SSL) - - if (r->connection->ssl) { - if (ngx_strncmp(dest->value.data, "https://", sizeof("https://") - 1) - != 0) - { - goto invalid_destination; - } - - host = dest->value.data + sizeof("https://") - 1; - - } else -#endif - { - if (ngx_strncmp(dest->value.data, "http://", sizeof("http://") - 1) - != 0) - { - goto invalid_destination; - } - - host = dest->value.data + sizeof("http://") - 1; - } - - if (ngx_strncmp(host, r->headers_in.server.data, len) != 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"Destination\" URI \"%V\" is handled by " - "different repository than the source URI", - &dest->value); - return NGX_HTTP_BAD_REQUEST; - } - - last = dest->value.data + dest->value.len; - - for (p = host + len; p < last; p++) { - if (*p == '/') { - goto destination_done; - } - } - -invalid_destination: - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "client sent invalid \"Destination\" header: \"%V\"", - &dest->value); - return NGX_HTTP_BAD_REQUEST; - -destination_done: - - duri.len = last - p; - duri.data = p; - flags = NGX_HTTP_LOG_UNSAFE; - - if (ngx_http_parse_unsafe_uri(r, &duri, &args, &flags) != NGX_OK) { - goto invalid_destination; - } - - if ((r->uri.data[r->uri.len - 1] == '/' && *(last - 1) != '/') - || (r->uri.data[r->uri.len - 1] != '/' && *(last - 1) == '/')) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "both URI \"%V\" and \"Destination\" URI \"%V\" " - "should be either collections or non-collections", - &r->uri, &dest->value); - return NGX_HTTP_CONFLICT; - } - - depth = ngx_http_dav_depth(r, NGX_HTTP_DAV_INFINITY_DEPTH); - - if (depth != NGX_HTTP_DAV_INFINITY_DEPTH) { - - if (r->method == NGX_HTTP_COPY) { - if (depth != 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"Depth\" header must be 0 or infinity"); - return NGX_HTTP_BAD_REQUEST; - } - - } else { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"Depth\" header must be infinity"); - return NGX_HTTP_BAD_REQUEST; - } - } - - over = r->headers_in.overwrite; - - if (over) { - if (over->value.len == 1) { - ch = over->value.data[0]; - - if (ch == 'T' || ch == 't') { - overwrite = 1; - goto overwrite_done; - } - - if (ch == 'F' || ch == 'f') { - overwrite = 0; - goto overwrite_done; - } - - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "client sent invalid \"Overwrite\" header: \"%V\"", - &over->value); - return NGX_HTTP_BAD_REQUEST; - } - - overwrite = 1; - -overwrite_done: - - if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http copy from: \"%s\"", path.data); - - uri = r->uri; - r->uri = duri; - - if (ngx_http_map_uri_to_path(r, ©.path, &root, 0) == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - r->uri = uri; - - copy.path.len--; /* omit "\0" */ - - if (copy.path.data[copy.path.len - 1] == '/') { - slash = 1; - copy.path.len--; - copy.path.data[copy.path.len] = '\0'; - - } else { - slash = 0; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http copy to: \"%s\"", copy.path.data); - - if (ngx_link_info(copy.path.data, &fi) == NGX_FILE_ERROR) { - err = ngx_errno; - - if (err != NGX_ENOENT) { - return ngx_http_dav_error(r->connection->log, err, - NGX_HTTP_NOT_FOUND, ngx_link_info_n, - copy.path.data); - } - - /* destination does not exist */ - - overwrite = 0; - dir = 0; - - } else { - - /* destination exists */ - - if (ngx_is_dir(&fi) && !slash) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"%V\" could not be %Ved to collection \"%V\"", - &r->uri, &r->method_name, &dest->value); - return NGX_HTTP_CONFLICT; - } - - if (!overwrite) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_EEXIST, - "\"%s\" could not be created", copy.path.data); - return NGX_HTTP_PRECONDITION_FAILED; - } - - dir = ngx_is_dir(&fi); - } - - if (ngx_link_info(path.data, &fi) == NGX_FILE_ERROR) { - return ngx_http_dav_error(r->connection->log, ngx_errno, - NGX_HTTP_NOT_FOUND, ngx_link_info_n, - path.data); - } - - if (ngx_is_dir(&fi)) { - - if (r->uri.data[r->uri.len - 1] != '/') { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"%V\" is collection", &r->uri); - return NGX_HTTP_BAD_REQUEST; - } - - if (overwrite) { - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http delete: \"%s\"", copy.path.data); - - rc = ngx_http_dav_delete_path(r, ©.path, dir); - - if (rc != NGX_OK) { - return rc; - } - } - } - - if (ngx_is_dir(&fi)) { - - path.len -= 2; /* omit "/\0" */ - - if (r->method == NGX_HTTP_MOVE) { - if (ngx_rename_file(path.data, copy.path.data) != NGX_FILE_ERROR) { - return NGX_HTTP_CREATED; - } - } - - if (ngx_create_dir(copy.path.data, ngx_file_access(&fi)) - == NGX_FILE_ERROR) - { - return ngx_http_dav_error(r->connection->log, ngx_errno, - NGX_HTTP_NOT_FOUND, - ngx_create_dir_n, copy.path.data); - } - - copy.len = path.len; - - tree.init_handler = NULL; - tree.file_handler = ngx_http_dav_copy_tree_file; - tree.pre_tree_handler = ngx_http_dav_copy_dir; - tree.post_tree_handler = ngx_http_dav_copy_dir_time; - tree.spec_handler = ngx_http_dav_noop; - tree.data = © - tree.alloc = 0; - tree.log = r->connection->log; - - if (ngx_walk_tree(&tree, &path) == NGX_OK) { - - if (r->method == NGX_HTTP_MOVE) { - rc = ngx_http_dav_delete_path(r, &path, 1); - - if (rc != NGX_OK) { - return rc; - } - } - - return NGX_HTTP_CREATED; - } - - } else { - - if (r->method == NGX_HTTP_MOVE) { - - dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module); - - ext.access = 0; - ext.path_access = dlcf->access; - ext.time = -1; - ext.create_path = 1; - ext.delete_file = 0; - ext.log = r->connection->log; - - if (ngx_ext_rename_file(&path, ©.path, &ext) == NGX_OK) { - return NGX_HTTP_NO_CONTENT; - } - - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module); - - cf.size = ngx_file_size(&fi); - cf.buf_size = 0; - cf.access = dlcf->access; - cf.time = ngx_file_mtime(&fi); - cf.log = r->connection->log; - - if (ngx_copy_file(path.data, copy.path.data, &cf) == NGX_OK) { - return NGX_HTTP_NO_CONTENT; - } - } - - return NGX_HTTP_INTERNAL_SERVER_ERROR; -} - - -static ngx_int_t -ngx_http_dav_copy_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path) -{ - u_char *p, *dir; - size_t len; - ngx_http_dav_copy_ctx_t *copy; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http copy dir: \"%s\"", path->data); - - copy = ctx->data; - - len = copy->path.len + path->len; - - dir = ngx_alloc(len + 1, ctx->log); - if (dir == NULL) { - return NGX_ABORT; - } - - p = ngx_cpymem(dir, copy->path.data, copy->path.len); - (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http copy dir to: \"%s\"", dir); - - if (ngx_create_dir(dir, ngx_dir_access(ctx->access)) == NGX_FILE_ERROR) { - (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_create_dir_n, - dir); - } - - ngx_free(dir); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_dav_copy_dir_time(ngx_tree_ctx_t *ctx, ngx_str_t *path) -{ - u_char *p, *dir; - size_t len; - ngx_http_dav_copy_ctx_t *copy; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http copy dir time: \"%s\"", path->data); - - copy = ctx->data; - - len = copy->path.len + path->len; - - dir = ngx_alloc(len + 1, ctx->log); - if (dir == NULL) { - return NGX_ABORT; - } - - p = ngx_cpymem(dir, copy->path.data, copy->path.len); - (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http copy dir time to: \"%s\"", dir); - -#if (NGX_WIN32) - { - ngx_fd_t fd; - - fd = ngx_open_file(dir, NGX_FILE_RDWR, NGX_FILE_OPEN, 0); - - if (fd == NGX_INVALID_FILE) { - (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_open_file_n, dir); - goto failed; - } - - if (ngx_set_file_time(NULL, fd, ctx->mtime) != NGX_OK) { - ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno, - ngx_set_file_time_n " \"%s\" failed", dir); - } - - if (ngx_close_file(fd) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno, - ngx_close_file_n " \"%s\" failed", dir); - } - } - -failed: - -#else - - if (ngx_set_file_time(dir, 0, ctx->mtime) != NGX_OK) { - ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno, - ngx_set_file_time_n " \"%s\" failed", dir); - } - -#endif - - ngx_free(dir); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_dav_copy_tree_file(ngx_tree_ctx_t *ctx, ngx_str_t *path) -{ - u_char *p, *file; - size_t len; - ngx_copy_file_t cf; - ngx_http_dav_copy_ctx_t *copy; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http copy file: \"%s\"", path->data); - - copy = ctx->data; - - len = copy->path.len + path->len; - - file = ngx_alloc(len + 1, ctx->log); - if (file == NULL) { - return NGX_ABORT; - } - - p = ngx_cpymem(file, copy->path.data, copy->path.len); - (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0, - "http copy file to: \"%s\"", file); - - cf.size = ctx->size; - cf.buf_size = 0; - cf.access = ctx->access; - cf.time = ctx->mtime; - cf.log = ctx->log; - - (void) ngx_copy_file(path->data, file, &cf); - - ngx_free(file); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_dav_depth(ngx_http_request_t *r, ngx_int_t dflt) -{ - ngx_table_elt_t *depth; - - depth = r->headers_in.depth; - - if (depth == NULL) { - return dflt; - } - - if (depth->value.len == 1) { - - if (depth->value.data[0] == '0') { - return 0; - } - - if (depth->value.data[0] == '1') { - return 1; - } - - } else { - - if (depth->value.len == sizeof("infinity") - 1 - && ngx_strcmp(depth->value.data, "infinity") == 0) - { - return NGX_HTTP_DAV_INFINITY_DEPTH; - } - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "client sent invalid \"Depth\" header: \"%V\"", - &depth->value); - - return NGX_HTTP_DAV_INVALID_DEPTH; -} - - -static ngx_int_t -ngx_http_dav_error(ngx_log_t *log, ngx_err_t err, ngx_int_t not_found, - char *failed, u_char *path) -{ - ngx_int_t rc; - ngx_uint_t level; - - if (err == NGX_ENOENT || err == NGX_ENOTDIR || err == NGX_ENAMETOOLONG) { - level = NGX_LOG_ERR; - rc = not_found; - - } else if (err == NGX_EACCES || err == NGX_EPERM) { - level = NGX_LOG_ERR; - rc = NGX_HTTP_FORBIDDEN; - - } else if (err == NGX_EEXIST) { - level = NGX_LOG_ERR; - rc = NGX_HTTP_NOT_ALLOWED; - - } else if (err == NGX_ENOSPC) { - level = NGX_LOG_CRIT; - rc = NGX_HTTP_INSUFFICIENT_STORAGE; - - } else { - level = NGX_LOG_CRIT; - rc = NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_log_error(level, log, err, "%s \"%s\" failed", failed, path); - - return rc; -} - - -static ngx_int_t -ngx_http_dav_location(ngx_http_request_t *r, u_char *path) -{ - u_char *location; - ngx_http_core_loc_conf_t *clcf; - - r->headers_out.location = ngx_list_push(&r->headers_out.headers); - if (r->headers_out.location == NULL) { - return NGX_ERROR; - } - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (!clcf->alias && clcf->root_lengths == NULL) { - location = path + clcf->root.len; - - } else { - location = ngx_pnalloc(r->pool, r->uri.len); - if (location == NULL) { - ngx_http_clear_location(r); - return NGX_ERROR; - } - - ngx_memcpy(location, r->uri.data, r->uri.len); - } - - r->headers_out.location->hash = 1; - ngx_str_set(&r->headers_out.location->key, "Location"); - r->headers_out.location->value.len = r->uri.len; - r->headers_out.location->value.data = location; - - return NGX_OK; -} - - -static void * -ngx_http_dav_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_dav_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_dav_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->methods = 0; - */ - - conf->min_delete_depth = NGX_CONF_UNSET_UINT; - conf->access = NGX_CONF_UNSET_UINT; - conf->create_full_put_path = NGX_CONF_UNSET; - - return conf; -} - - -static char * -ngx_http_dav_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_dav_loc_conf_t *prev = parent; - ngx_http_dav_loc_conf_t *conf = child; - - ngx_conf_merge_bitmask_value(conf->methods, prev->methods, - (NGX_CONF_BITMASK_SET|NGX_HTTP_DAV_OFF)); - - ngx_conf_merge_uint_value(conf->min_delete_depth, - prev->min_delete_depth, 0); - - ngx_conf_merge_uint_value(conf->access, prev->access, 0600); - - ngx_conf_merge_value(conf->create_full_put_path, - prev->create_full_put_path, 0); - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_dav_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_dav_handler; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_degradation_module.c b/nginx/src/http/modules/ngx_http_degradation_module.c deleted file mode 100644 index b9c65cd..0000000 --- a/nginx/src/http/modules/ngx_http_degradation_module.c +++ /dev/null @@ -1,243 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - size_t sbrk_size; -} ngx_http_degradation_main_conf_t; - - -typedef struct { - ngx_uint_t degrade; -} ngx_http_degradation_loc_conf_t; - - -static ngx_conf_enum_t ngx_http_degrade[] = { - { ngx_string("204"), 204 }, - { ngx_string("444"), 444 }, - { ngx_null_string, 0 } -}; - - -static void *ngx_http_degradation_create_main_conf(ngx_conf_t *cf); -static void *ngx_http_degradation_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_degradation_merge_loc_conf(ngx_conf_t *cf, void *parent, - void *child); -static char *ngx_http_degradation(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static ngx_int_t ngx_http_degradation_init(ngx_conf_t *cf); - - -static ngx_command_t ngx_http_degradation_commands[] = { - - { ngx_string("degradation"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, - ngx_http_degradation, - NGX_HTTP_MAIN_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("degrade"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_enum_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_degradation_loc_conf_t, degrade), - &ngx_http_degrade }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_degradation_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_degradation_init, /* postconfiguration */ - - ngx_http_degradation_create_main_conf, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_degradation_create_loc_conf, /* create location configuration */ - ngx_http_degradation_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_degradation_module = { - NGX_MODULE_V1, - &ngx_http_degradation_module_ctx, /* module context */ - ngx_http_degradation_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_degradation_handler(ngx_http_request_t *r) -{ - ngx_http_degradation_loc_conf_t *dlcf; - - dlcf = ngx_http_get_module_loc_conf(r, ngx_http_degradation_module); - - if (dlcf->degrade && ngx_http_degraded(r)) { - return dlcf->degrade; - } - - return NGX_DECLINED; -} - - -ngx_uint_t -ngx_http_degraded(ngx_http_request_t *r) -{ - time_t now; - ngx_uint_t log; - static size_t sbrk_size; - static time_t sbrk_time; - ngx_http_degradation_main_conf_t *dmcf; - - dmcf = ngx_http_get_module_main_conf(r, ngx_http_degradation_module); - - if (dmcf->sbrk_size) { - - log = 0; - now = ngx_time(); - - /* lock mutex */ - - if (now != sbrk_time) { - - /* - * ELF/i386 is loaded at 0x08000000, 128M - * ELF/amd64 is loaded at 0x00400000, 4M - * - * use a function address to subtract the loading address - */ - - sbrk_size = (size_t) sbrk(0) - ((uintptr_t) ngx_palloc & ~0x3FFFFF); - sbrk_time = now; - log = 1; - } - - /* unlock mutex */ - - if (sbrk_size >= dmcf->sbrk_size) { - if (log) { - ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, - "degradation sbrk:%uzM", - sbrk_size / (1024 * 1024)); - } - - return 1; - } - } - - return 0; -} - - -static void * -ngx_http_degradation_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_degradation_main_conf_t *dmcf; - - dmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_degradation_main_conf_t)); - if (dmcf == NULL) { - return NULL; - } - - return dmcf; -} - - -static void * -ngx_http_degradation_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_degradation_loc_conf_t *conf; - - conf = ngx_palloc(cf->pool, sizeof(ngx_http_degradation_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - conf->degrade = NGX_CONF_UNSET_UINT; - - return conf; -} - - -static char * -ngx_http_degradation_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_degradation_loc_conf_t *prev = parent; - ngx_http_degradation_loc_conf_t *conf = child; - - ngx_conf_merge_uint_value(conf->degrade, prev->degrade, 0); - - return NGX_CONF_OK; -} - - -static char * -ngx_http_degradation(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_degradation_main_conf_t *dmcf = conf; - - ngx_str_t *value, s; - - value = cf->args->elts; - - if (ngx_strncmp(value[1].data, "sbrk=", 5) == 0) { - - s.len = value[1].len - 5; - s.data = value[1].data + 5; - - dmcf->sbrk_size = ngx_parse_size(&s); - if (dmcf->sbrk_size == (size_t) NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid sbrk size \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[1]); - - return NGX_CONF_ERROR; -} - - -static ngx_int_t -ngx_http_degradation_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_PREACCESS_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_degradation_handler; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_empty_gif_module.c b/nginx/src/http/modules/ngx_http_empty_gif_module.c deleted file mode 100644 index 04114dc..0000000 --- a/nginx/src/http/modules/ngx_http_empty_gif_module.c +++ /dev/null @@ -1,140 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -static char *ngx_http_empty_gif(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - -static ngx_command_t ngx_http_empty_gif_commands[] = { - - { ngx_string("empty_gif"), - NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, - ngx_http_empty_gif, - 0, - 0, - NULL }, - - ngx_null_command -}; - - -/* the minimal single pixel transparent GIF, 43 bytes */ - -static u_char ngx_empty_gif[] = { - - 'G', 'I', 'F', '8', '9', 'a', /* header */ - - /* logical screen descriptor */ - 0x01, 0x00, /* logical screen width */ - 0x01, 0x00, /* logical screen height */ - 0x80, /* global 1-bit color table */ - 0x01, /* background color #1 */ - 0x00, /* no aspect ratio */ - - /* global color table */ - 0x00, 0x00, 0x00, /* #0: black */ - 0xff, 0xff, 0xff, /* #1: white */ - - /* graphic control extension */ - 0x21, /* extension introducer */ - 0xf9, /* graphic control label */ - 0x04, /* block size */ - 0x01, /* transparent color is given, */ - /* no disposal specified, */ - /* user input is not expected */ - 0x00, 0x00, /* delay time */ - 0x01, /* transparent color #1 */ - 0x00, /* block terminator */ - - /* image descriptor */ - 0x2c, /* image separator */ - 0x00, 0x00, /* image left position */ - 0x00, 0x00, /* image top position */ - 0x01, 0x00, /* image width */ - 0x01, 0x00, /* image height */ - 0x00, /* no local color table, no interlaced */ - - /* table based image data */ - 0x02, /* LZW minimum code size, */ - /* must be at least 2-bit */ - 0x02, /* block size */ - 0x4c, 0x01, /* compressed bytes 01_001_100, 0000000_1 */ - /* 100: clear code */ - /* 001: 1 */ - /* 101: end of information code */ - 0x00, /* block terminator */ - - 0x3B /* trailer */ -}; - - -static ngx_http_module_t ngx_http_empty_gif_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_empty_gif_module = { - NGX_MODULE_V1, - &ngx_http_empty_gif_module_ctx, /* module context */ - ngx_http_empty_gif_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_str_t ngx_http_gif_type = ngx_string("image/gif"); - - -static ngx_int_t -ngx_http_empty_gif_handler(ngx_http_request_t *r) -{ - ngx_http_complex_value_t cv; - - if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { - return NGX_HTTP_NOT_ALLOWED; - } - - ngx_memzero(&cv, sizeof(ngx_http_complex_value_t)); - - cv.value.len = sizeof(ngx_empty_gif); - cv.value.data = ngx_empty_gif; - r->headers_out.last_modified_time = 23349600; - - return ngx_http_send_response(r, NGX_HTTP_OK, &ngx_http_gif_type, &cv); -} - - -static char * -ngx_http_empty_gif(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf; - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - clcf->handler = ngx_http_empty_gif_handler; - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_fastcgi_module.c b/nginx/src/http/modules/ngx_http_fastcgi_module.c deleted file mode 100644 index 3eec1b7..0000000 --- a/nginx/src/http/modules/ngx_http_fastcgi_module.c +++ /dev/null @@ -1,3762 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_array_t caches; /* ngx_http_file_cache_t * */ -} ngx_http_fastcgi_main_conf_t; - - -typedef struct { - ngx_array_t *flushes; - ngx_array_t *lengths; - ngx_array_t *values; - ngx_uint_t number; - ngx_hash_t hash; -} ngx_http_fastcgi_params_t; - - -typedef struct { - ngx_http_upstream_conf_t upstream; - - ngx_str_t index; - - ngx_http_fastcgi_params_t params; -#if (NGX_HTTP_CACHE) - ngx_http_fastcgi_params_t params_cache; -#endif - - ngx_array_t *params_source; - ngx_array_t *catch_stderr; - - ngx_array_t *fastcgi_lengths; - ngx_array_t *fastcgi_values; - - ngx_flag_t keep_conn; - -#if (NGX_HTTP_CACHE) - ngx_http_complex_value_t cache_key; -#endif - -#if (NGX_PCRE) - ngx_regex_t *split_regex; - ngx_str_t split_name; -#endif -} ngx_http_fastcgi_loc_conf_t; - - -typedef enum { - ngx_http_fastcgi_st_version = 0, - ngx_http_fastcgi_st_type, - ngx_http_fastcgi_st_request_id_hi, - ngx_http_fastcgi_st_request_id_lo, - ngx_http_fastcgi_st_content_length_hi, - ngx_http_fastcgi_st_content_length_lo, - ngx_http_fastcgi_st_padding_length, - ngx_http_fastcgi_st_reserved, - ngx_http_fastcgi_st_data, - ngx_http_fastcgi_st_padding -} ngx_http_fastcgi_state_e; - - -typedef struct { - u_char *start; - u_char *end; -} ngx_http_fastcgi_split_part_t; - - -typedef struct { - ngx_http_fastcgi_state_e state; - u_char *pos; - u_char *last; - ngx_uint_t type; - size_t length; - size_t padding; - - ngx_chain_t *free; - ngx_chain_t *busy; - - unsigned fastcgi_stdout:1; - unsigned large_stderr:1; - unsigned header_sent:1; - - ngx_array_t *split_parts; - - ngx_str_t script_name; - ngx_str_t path_info; -} ngx_http_fastcgi_ctx_t; - - -#define NGX_HTTP_FASTCGI_RESPONDER 1 - -#define NGX_HTTP_FASTCGI_KEEP_CONN 1 - -#define NGX_HTTP_FASTCGI_BEGIN_REQUEST 1 -#define NGX_HTTP_FASTCGI_ABORT_REQUEST 2 -#define NGX_HTTP_FASTCGI_END_REQUEST 3 -#define NGX_HTTP_FASTCGI_PARAMS 4 -#define NGX_HTTP_FASTCGI_STDIN 5 -#define NGX_HTTP_FASTCGI_STDOUT 6 -#define NGX_HTTP_FASTCGI_STDERR 7 -#define NGX_HTTP_FASTCGI_DATA 8 - - -typedef struct { - u_char version; - u_char type; - u_char request_id_hi; - u_char request_id_lo; - u_char content_length_hi; - u_char content_length_lo; - u_char padding_length; - u_char reserved; -} ngx_http_fastcgi_header_t; - - -typedef struct { - u_char role_hi; - u_char role_lo; - u_char flags; - u_char reserved[5]; -} ngx_http_fastcgi_begin_request_t; - - -typedef struct { - u_char version; - u_char type; - u_char request_id_hi; - u_char request_id_lo; -} ngx_http_fastcgi_header_small_t; - - -typedef struct { - ngx_http_fastcgi_header_t h0; - ngx_http_fastcgi_begin_request_t br; - ngx_http_fastcgi_header_small_t h1; -} ngx_http_fastcgi_request_start_t; - - -static ngx_int_t ngx_http_fastcgi_eval(ngx_http_request_t *r, - ngx_http_fastcgi_loc_conf_t *flcf); -#if (NGX_HTTP_CACHE) -static ngx_int_t ngx_http_fastcgi_create_key(ngx_http_request_t *r); -#endif -static ngx_int_t ngx_http_fastcgi_create_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_fastcgi_reinit_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_fastcgi_body_output_filter(void *data, - ngx_chain_t *in); -static ngx_int_t ngx_http_fastcgi_process_header(ngx_http_request_t *r); -static ngx_int_t ngx_http_fastcgi_input_filter_init(void *data); -static ngx_int_t ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p, - ngx_buf_t *buf); -static ngx_int_t ngx_http_fastcgi_non_buffered_filter(void *data, - ssize_t bytes); -static ngx_int_t ngx_http_fastcgi_process_record(ngx_http_request_t *r, - ngx_http_fastcgi_ctx_t *f); -static void ngx_http_fastcgi_abort_request(ngx_http_request_t *r); -static void ngx_http_fastcgi_finalize_request(ngx_http_request_t *r, - ngx_int_t rc); - -static ngx_int_t ngx_http_fastcgi_add_variables(ngx_conf_t *cf); -static void *ngx_http_fastcgi_create_main_conf(ngx_conf_t *cf); -static void *ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_fastcgi_init_params(ngx_conf_t *cf, - ngx_http_fastcgi_loc_conf_t *conf, ngx_http_fastcgi_params_t *params, - ngx_keyval_t *default_params); - -static ngx_int_t ngx_http_fastcgi_script_name_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_fastcgi_path_info_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_http_fastcgi_ctx_t *ngx_http_fastcgi_split(ngx_http_request_t *r, - ngx_http_fastcgi_loc_conf_t *flcf); - -static char *ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_fastcgi_split_path_info(ngx_conf_t *cf, - ngx_command_t *cmd, void *conf); -static char *ngx_http_fastcgi_store(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -#if (NGX_HTTP_CACHE) -static char *ngx_http_fastcgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_fastcgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -#endif - -static char *ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post, - void *data); - - -static ngx_conf_post_t ngx_http_fastcgi_lowat_post = - { ngx_http_fastcgi_lowat_check }; - - -static ngx_conf_bitmask_t ngx_http_fastcgi_next_upstream_masks[] = { - { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, - { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, - { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, - { ngx_string("non_idempotent"), NGX_HTTP_UPSTREAM_FT_NON_IDEMPOTENT }, - { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, - { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, - { ngx_string("http_403"), NGX_HTTP_UPSTREAM_FT_HTTP_403 }, - { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, - { ngx_string("http_429"), NGX_HTTP_UPSTREAM_FT_HTTP_429 }, - { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING }, - { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, - { ngx_null_string, 0 } -}; - - -ngx_module_t ngx_http_fastcgi_module; - - -static ngx_command_t ngx_http_fastcgi_commands[] = { - - { ngx_string("fastcgi_pass"), - NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, - ngx_http_fastcgi_pass, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("fastcgi_index"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, index), - NULL }, - - { ngx_string("fastcgi_split_path_info"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_fastcgi_split_path_info, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("fastcgi_store"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_fastcgi_store, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("fastcgi_store_access"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, - ngx_conf_set_access_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.store_access), - NULL }, - - { ngx_string("fastcgi_buffering"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.buffering), - NULL }, - - { ngx_string("fastcgi_request_buffering"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.request_buffering), - NULL }, - - { ngx_string("fastcgi_ignore_client_abort"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.ignore_client_abort), - NULL }, - - { ngx_string("fastcgi_bind"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_upstream_bind_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.local), - NULL }, - - { ngx_string("fastcgi_connect_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.connect_timeout), - NULL }, - - { ngx_string("fastcgi_send_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.send_timeout), - NULL }, - - { ngx_string("fastcgi_send_lowat"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.send_lowat), - &ngx_http_fastcgi_lowat_post }, - - { ngx_string("fastcgi_buffer_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.buffer_size), - NULL }, - - { ngx_string("fastcgi_pass_request_headers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.pass_request_headers), - NULL }, - - { ngx_string("fastcgi_pass_request_body"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.pass_request_body), - NULL }, - - { ngx_string("fastcgi_intercept_errors"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.intercept_errors), - NULL }, - - { ngx_string("fastcgi_read_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.read_timeout), - NULL }, - - { ngx_string("fastcgi_buffers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_conf_set_bufs_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.bufs), - NULL }, - - { ngx_string("fastcgi_busy_buffers_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.busy_buffers_size_conf), - NULL }, - - { ngx_string("fastcgi_force_ranges"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.force_ranges), - NULL }, - - { ngx_string("fastcgi_limit_rate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.limit_rate), - NULL }, - -#if (NGX_HTTP_CACHE) - - { ngx_string("fastcgi_cache"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_fastcgi_cache, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("fastcgi_cache_key"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_fastcgi_cache_key, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("fastcgi_cache_path"), - NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE, - ngx_http_file_cache_set_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_fastcgi_main_conf_t, caches), - &ngx_http_fastcgi_module }, - - { ngx_string("fastcgi_cache_bypass"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_set_predicate_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_bypass), - NULL }, - - { ngx_string("fastcgi_no_cache"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_set_predicate_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.no_cache), - NULL }, - - { ngx_string("fastcgi_cache_valid"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_file_cache_valid_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_valid), - NULL }, - - { ngx_string("fastcgi_cache_min_uses"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_min_uses), - NULL }, - - { ngx_string("fastcgi_cache_max_range_offset"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_off_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_max_range_offset), - NULL }, - - { ngx_string("fastcgi_cache_use_stale"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_use_stale), - &ngx_http_fastcgi_next_upstream_masks }, - - { ngx_string("fastcgi_cache_methods"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_methods), - &ngx_http_upstream_cache_method_mask }, - - { ngx_string("fastcgi_cache_lock"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_lock), - NULL }, - - { ngx_string("fastcgi_cache_lock_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_lock_timeout), - NULL }, - - { ngx_string("fastcgi_cache_lock_age"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_lock_age), - NULL }, - - { ngx_string("fastcgi_cache_revalidate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_revalidate), - NULL }, - - { ngx_string("fastcgi_cache_background_update"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_background_update), - NULL }, - -#endif - - { ngx_string("fastcgi_temp_path"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, - ngx_conf_set_path_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.temp_path), - NULL }, - - { ngx_string("fastcgi_max_temp_file_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.max_temp_file_size_conf), - NULL }, - - { ngx_string("fastcgi_temp_file_write_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.temp_file_write_size_conf), - NULL }, - - { ngx_string("fastcgi_next_upstream"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.next_upstream), - &ngx_http_fastcgi_next_upstream_masks }, - - { ngx_string("fastcgi_next_upstream_tries"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.next_upstream_tries), - NULL }, - - { ngx_string("fastcgi_next_upstream_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.next_upstream_timeout), - NULL }, - - { ngx_string("fastcgi_param"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE23, - ngx_http_upstream_param_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, params_source), - NULL }, - - { ngx_string("fastcgi_pass_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.pass_headers), - NULL }, - - { ngx_string("fastcgi_hide_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.hide_headers), - NULL }, - - { ngx_string("fastcgi_ignore_headers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, upstream.ignore_headers), - &ngx_http_upstream_ignore_headers_masks }, - - { ngx_string("fastcgi_catch_stderr"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, catch_stderr), - NULL }, - - { ngx_string("fastcgi_keep_conn"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_fastcgi_loc_conf_t, keep_conn), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_fastcgi_module_ctx = { - ngx_http_fastcgi_add_variables, /* preconfiguration */ - NULL, /* postconfiguration */ - - ngx_http_fastcgi_create_main_conf, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_fastcgi_create_loc_conf, /* create location configuration */ - ngx_http_fastcgi_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_fastcgi_module = { - NGX_MODULE_V1, - &ngx_http_fastcgi_module_ctx, /* module context */ - ngx_http_fastcgi_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_fastcgi_request_start_t ngx_http_fastcgi_request_start = { - { 1, /* version */ - NGX_HTTP_FASTCGI_BEGIN_REQUEST, /* type */ - 0, /* request_id_hi */ - 1, /* request_id_lo */ - 0, /* content_length_hi */ - sizeof(ngx_http_fastcgi_begin_request_t), /* content_length_lo */ - 0, /* padding_length */ - 0 }, /* reserved */ - - { 0, /* role_hi */ - NGX_HTTP_FASTCGI_RESPONDER, /* role_lo */ - 0, /* NGX_HTTP_FASTCGI_KEEP_CONN */ /* flags */ - { 0, 0, 0, 0, 0 } }, /* reserved[5] */ - - { 1, /* version */ - NGX_HTTP_FASTCGI_PARAMS, /* type */ - 0, /* request_id_hi */ - 1 }, /* request_id_lo */ - -}; - - -static ngx_http_variable_t ngx_http_fastcgi_vars[] = { - - { ngx_string("fastcgi_script_name"), NULL, - ngx_http_fastcgi_script_name_variable, 0, - NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, - - { ngx_string("fastcgi_path_info"), NULL, - ngx_http_fastcgi_path_info_variable, 0, - NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, - - ngx_http_null_variable -}; - - -static ngx_str_t ngx_http_fastcgi_hide_headers[] = { - ngx_string("Status"), - ngx_string("X-Accel-Expires"), - ngx_string("X-Accel-Redirect"), - ngx_string("X-Accel-Limit-Rate"), - ngx_string("X-Accel-Buffering"), - ngx_string("X-Accel-Charset"), - ngx_null_string -}; - - -#if (NGX_HTTP_CACHE) - -static ngx_keyval_t ngx_http_fastcgi_cache_headers[] = { - { ngx_string("HTTP_IF_MODIFIED_SINCE"), - ngx_string("$upstream_cache_last_modified") }, - { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") }, - { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("$upstream_cache_etag") }, - { ngx_string("HTTP_IF_MATCH"), ngx_string("") }, - { ngx_string("HTTP_RANGE"), ngx_string("") }, - { ngx_string("HTTP_IF_RANGE"), ngx_string("") }, - { ngx_null_string, ngx_null_string } -}; - -#endif - - -static ngx_path_init_t ngx_http_fastcgi_temp_path = { - ngx_string(NGX_HTTP_FASTCGI_TEMP_PATH), { 1, 2, 0 } -}; - - -static ngx_int_t -ngx_http_fastcgi_handler(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_http_upstream_t *u; - ngx_http_fastcgi_ctx_t *f; - ngx_http_fastcgi_loc_conf_t *flcf; -#if (NGX_HTTP_CACHE) - ngx_http_fastcgi_main_conf_t *fmcf; -#endif - - if (ngx_http_upstream_create(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - f = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_ctx_t)); - if (f == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_http_set_ctx(r, f, ngx_http_fastcgi_module); - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - if (flcf->fastcgi_lengths) { - if (ngx_http_fastcgi_eval(r, flcf) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - } - - u = r->upstream; - - ngx_str_set(&u->schema, "fastcgi://"); - u->output.tag = (ngx_buf_tag_t) &ngx_http_fastcgi_module; - - u->conf = &flcf->upstream; - -#if (NGX_HTTP_CACHE) - fmcf = ngx_http_get_module_main_conf(r, ngx_http_fastcgi_module); - - u->caches = &fmcf->caches; - u->create_key = ngx_http_fastcgi_create_key; -#endif - - u->create_request = ngx_http_fastcgi_create_request; - u->reinit_request = ngx_http_fastcgi_reinit_request; - u->process_header = ngx_http_fastcgi_process_header; - u->abort_request = ngx_http_fastcgi_abort_request; - u->finalize_request = ngx_http_fastcgi_finalize_request; - r->state = 0; - - u->buffering = flcf->upstream.buffering; - - u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); - if (u->pipe == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - u->pipe->input_filter = ngx_http_fastcgi_input_filter; - u->pipe->input_ctx = r; - - u->input_filter_init = ngx_http_fastcgi_input_filter_init; - u->input_filter = ngx_http_fastcgi_non_buffered_filter; - u->input_filter_ctx = r; - - if (!flcf->upstream.request_buffering - && flcf->upstream.pass_request_body) - { - r->request_body_no_buffering = 1; - } - - rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); - - if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { - return rc; - } - - return NGX_DONE; -} - - -static ngx_int_t -ngx_http_fastcgi_eval(ngx_http_request_t *r, ngx_http_fastcgi_loc_conf_t *flcf) -{ - ngx_url_t url; - ngx_http_upstream_t *u; - - ngx_memzero(&url, sizeof(ngx_url_t)); - - if (ngx_http_script_run(r, &url.url, flcf->fastcgi_lengths->elts, 0, - flcf->fastcgi_values->elts) - == NULL) - { - return NGX_ERROR; - } - - url.no_resolve = 1; - - if (ngx_parse_url(r->pool, &url) != NGX_OK) { - if (url.err) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "%s in upstream \"%V\"", url.err, &url.url); - } - - return NGX_ERROR; - } - - u = r->upstream; - - u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); - if (u->resolved == NULL) { - return NGX_ERROR; - } - - if (url.addrs) { - u->resolved->sockaddr = url.addrs[0].sockaddr; - u->resolved->socklen = url.addrs[0].socklen; - u->resolved->name = url.addrs[0].name; - u->resolved->naddrs = 1; - } - - u->resolved->host = url.host; - u->resolved->port = url.port; - u->resolved->no_port = url.no_port; - - return NGX_OK; -} - - -#if (NGX_HTTP_CACHE) - -static ngx_int_t -ngx_http_fastcgi_create_key(ngx_http_request_t *r) -{ - ngx_str_t *key; - ngx_http_fastcgi_loc_conf_t *flcf; - - key = ngx_array_push(&r->cache->keys); - if (key == NULL) { - return NGX_ERROR; - } - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - if (ngx_http_complex_value(r, &flcf->cache_key, key) != NGX_OK) { - return NGX_ERROR; - } - - return NGX_OK; -} - -#endif - - -static ngx_int_t -ngx_http_fastcgi_create_request(ngx_http_request_t *r) -{ - off_t file_pos; - u_char ch, *pos, *lowcase_key; - size_t size, len, key_len, val_len, padding, - allocated; - ngx_uint_t i, n, next, hash, skip_empty, header_params; - ngx_buf_t *b; - ngx_chain_t *cl, *body; - ngx_list_part_t *part; - ngx_table_elt_t *header, **ignored; - ngx_http_upstream_t *u; - ngx_http_script_code_pt code; - ngx_http_script_engine_t e, le; - ngx_http_fastcgi_header_t *h; - ngx_http_fastcgi_params_t *params; - ngx_http_fastcgi_loc_conf_t *flcf; - ngx_http_script_len_code_pt lcode; - - len = 0; - header_params = 0; - ignored = NULL; - - u = r->upstream; - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - -#if (NGX_HTTP_CACHE) - params = u->cacheable ? &flcf->params_cache : &flcf->params; -#else - params = &flcf->params; -#endif - - if (params->lengths) { - ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); - - ngx_http_script_flush_no_cacheable_variables(r, params->flushes); - le.flushed = 1; - - le.ip = params->lengths->elts; - le.request = r; - - while (*(uintptr_t *) le.ip) { - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - key_len = lcode(&le); - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - skip_empty = lcode(&le); - - for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { - lcode = *(ngx_http_script_len_code_pt *) le.ip; - } - le.ip += sizeof(uintptr_t); - - if (skip_empty && val_len == 0) { - continue; - } - - len += 1 + key_len + ((val_len > 127) ? 4 : 1) + val_len; - } - } - - if (flcf->upstream.pass_request_headers) { - - allocated = 0; - lowcase_key = NULL; - - if (params->number) { - n = 0; - part = &r->headers_in.headers.part; - - while (part) { - n += part->nelts; - part = part->next; - } - - ignored = ngx_palloc(r->pool, n * sizeof(void *)); - if (ignored == NULL) { - return NGX_ERROR; - } - } - - part = &r->headers_in.headers.part; - header = part->elts; - - for (i = 0; /* void */; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - if (params->number) { - if (allocated < header[i].key.len) { - allocated = header[i].key.len + 16; - lowcase_key = ngx_pnalloc(r->pool, allocated); - if (lowcase_key == NULL) { - return NGX_ERROR; - } - } - - hash = 0; - - for (n = 0; n < header[i].key.len; n++) { - ch = header[i].key.data[n]; - - if (ch >= 'A' && ch <= 'Z') { - ch |= 0x20; - - } else if (ch == '-') { - ch = '_'; - } - - hash = ngx_hash(hash, ch); - lowcase_key[n] = ch; - } - - if (ngx_hash_find(¶ms->hash, hash, lowcase_key, n)) { - ignored[header_params++] = &header[i]; - continue; - } - - n += sizeof("HTTP_") - 1; - - } else { - n = sizeof("HTTP_") - 1 + header[i].key.len; - } - - len += ((n > 127) ? 4 : 1) + ((header[i].value.len > 127) ? 4 : 1) - + n + header[i].value.len; - } - } - - - if (len > 65535) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "fastcgi request record is too big: %uz", len); - return NGX_ERROR; - } - - - padding = 8 - len % 8; - padding = (padding == 8) ? 0 : padding; - - - size = sizeof(ngx_http_fastcgi_header_t) - + sizeof(ngx_http_fastcgi_begin_request_t) - - + sizeof(ngx_http_fastcgi_header_t) /* NGX_HTTP_FASTCGI_PARAMS */ - + len + padding - + sizeof(ngx_http_fastcgi_header_t) /* NGX_HTTP_FASTCGI_PARAMS */ - - + sizeof(ngx_http_fastcgi_header_t); /* NGX_HTTP_FASTCGI_STDIN */ - - - b = ngx_create_temp_buf(r->pool, size); - if (b == NULL) { - return NGX_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - - ngx_http_fastcgi_request_start.br.flags = - flcf->keep_conn ? NGX_HTTP_FASTCGI_KEEP_CONN : 0; - - ngx_memcpy(b->pos, &ngx_http_fastcgi_request_start, - sizeof(ngx_http_fastcgi_request_start_t)); - - h = (ngx_http_fastcgi_header_t *) - (b->pos + sizeof(ngx_http_fastcgi_header_t) - + sizeof(ngx_http_fastcgi_begin_request_t)); - - h->content_length_hi = (u_char) ((len >> 8) & 0xff); - h->content_length_lo = (u_char) (len & 0xff); - h->padding_length = (u_char) padding; - h->reserved = 0; - - b->last = b->pos + sizeof(ngx_http_fastcgi_header_t) - + sizeof(ngx_http_fastcgi_begin_request_t) - + sizeof(ngx_http_fastcgi_header_t); - - - if (params->lengths) { - ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); - - e.ip = params->values->elts; - e.pos = b->last; - e.request = r; - e.flushed = 1; - - le.ip = params->lengths->elts; - - while (*(uintptr_t *) le.ip) { - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - key_len = (u_char) lcode(&le); - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - skip_empty = lcode(&le); - - for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { - lcode = *(ngx_http_script_len_code_pt *) le.ip; - } - le.ip += sizeof(uintptr_t); - - if (skip_empty && val_len == 0) { - e.skip = 1; - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - e.ip += sizeof(uintptr_t); - - e.skip = 0; - - continue; - } - - *e.pos++ = (u_char) key_len; - - if (val_len > 127) { - *e.pos++ = (u_char) (((val_len >> 24) & 0x7f) | 0x80); - *e.pos++ = (u_char) ((val_len >> 16) & 0xff); - *e.pos++ = (u_char) ((val_len >> 8) & 0xff); - *e.pos++ = (u_char) (val_len & 0xff); - - } else { - *e.pos++ = (u_char) val_len; - } - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - e.ip += sizeof(uintptr_t); - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "fastcgi param: \"%*s: %*s\"", - key_len, e.pos - (key_len + val_len), - val_len, e.pos - val_len); - } - - b->last = e.pos; - } - - - if (flcf->upstream.pass_request_headers) { - - part = &r->headers_in.headers.part; - header = part->elts; - - for (i = 0; /* void */; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - for (n = 0; n < header_params; n++) { - if (&header[i] == ignored[n]) { - goto next; - } - } - - key_len = sizeof("HTTP_") - 1 + header[i].key.len; - if (key_len > 127) { - *b->last++ = (u_char) (((key_len >> 24) & 0x7f) | 0x80); - *b->last++ = (u_char) ((key_len >> 16) & 0xff); - *b->last++ = (u_char) ((key_len >> 8) & 0xff); - *b->last++ = (u_char) (key_len & 0xff); - - } else { - *b->last++ = (u_char) key_len; - } - - val_len = header[i].value.len; - if (val_len > 127) { - *b->last++ = (u_char) (((val_len >> 24) & 0x7f) | 0x80); - *b->last++ = (u_char) ((val_len >> 16) & 0xff); - *b->last++ = (u_char) ((val_len >> 8) & 0xff); - *b->last++ = (u_char) (val_len & 0xff); - - } else { - *b->last++ = (u_char) val_len; - } - - b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1); - - for (n = 0; n < header[i].key.len; n++) { - ch = header[i].key.data[n]; - - if (ch >= 'a' && ch <= 'z') { - ch &= ~0x20; - - } else if (ch == '-') { - ch = '_'; - } - - *b->last++ = ch; - } - - b->last = ngx_copy(b->last, header[i].value.data, val_len); - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "fastcgi param: \"%*s: %*s\"", - key_len, b->last - (key_len + val_len), - val_len, b->last - val_len); - next: - - continue; - } - } - - - if (padding) { - ngx_memzero(b->last, padding); - b->last += padding; - } - - - h = (ngx_http_fastcgi_header_t *) b->last; - b->last += sizeof(ngx_http_fastcgi_header_t); - - h->version = 1; - h->type = NGX_HTTP_FASTCGI_PARAMS; - h->request_id_hi = 0; - h->request_id_lo = 1; - h->content_length_hi = 0; - h->content_length_lo = 0; - h->padding_length = 0; - h->reserved = 0; - - if (r->request_body_no_buffering) { - - u->request_bufs = cl; - - u->output.output_filter = ngx_http_fastcgi_body_output_filter; - u->output.filter_ctx = r; - - } else if (flcf->upstream.pass_request_body) { - - body = u->request_bufs; - u->request_bufs = cl; - -#if (NGX_SUPPRESS_WARN) - file_pos = 0; - pos = NULL; -#endif - - while (body) { - - if (ngx_buf_special(body->buf)) { - body = body->next; - continue; - } - - if (body->buf->in_file) { - file_pos = body->buf->file_pos; - - } else { - pos = body->buf->pos; - } - - next = 0; - - do { - b = ngx_alloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); - - if (body->buf->in_file) { - b->file_pos = file_pos; - file_pos += 32 * 1024; - - if (file_pos >= body->buf->file_last) { - file_pos = body->buf->file_last; - next = 1; - } - - b->file_last = file_pos; - len = (ngx_uint_t) (file_pos - b->file_pos); - - } else { - b->pos = pos; - b->start = pos; - pos += 32 * 1024; - - if (pos >= body->buf->last) { - pos = body->buf->last; - next = 1; - } - - b->last = pos; - len = (ngx_uint_t) (pos - b->pos); - } - - padding = 8 - len % 8; - padding = (padding == 8) ? 0 : padding; - - h = (ngx_http_fastcgi_header_t *) cl->buf->last; - cl->buf->last += sizeof(ngx_http_fastcgi_header_t); - - h->version = 1; - h->type = NGX_HTTP_FASTCGI_STDIN; - h->request_id_hi = 0; - h->request_id_lo = 1; - h->content_length_hi = (u_char) ((len >> 8) & 0xff); - h->content_length_lo = (u_char) (len & 0xff); - h->padding_length = (u_char) padding; - h->reserved = 0; - - cl->next = ngx_alloc_chain_link(r->pool); - if (cl->next == NULL) { - return NGX_ERROR; - } - - cl = cl->next; - cl->buf = b; - - b = ngx_create_temp_buf(r->pool, - sizeof(ngx_http_fastcgi_header_t) - + padding); - if (b == NULL) { - return NGX_ERROR; - } - - if (padding) { - ngx_memzero(b->last, padding); - b->last += padding; - } - - cl->next = ngx_alloc_chain_link(r->pool); - if (cl->next == NULL) { - return NGX_ERROR; - } - - cl = cl->next; - cl->buf = b; - - } while (!next); - - body = body->next; - } - - } else { - u->request_bufs = cl; - } - - if (!r->request_body_no_buffering) { - h = (ngx_http_fastcgi_header_t *) cl->buf->last; - cl->buf->last += sizeof(ngx_http_fastcgi_header_t); - - h->version = 1; - h->type = NGX_HTTP_FASTCGI_STDIN; - h->request_id_hi = 0; - h->request_id_lo = 1; - h->content_length_hi = 0; - h->content_length_lo = 0; - h->padding_length = 0; - h->reserved = 0; - } - - cl->next = NULL; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_reinit_request(ngx_http_request_t *r) -{ - ngx_http_fastcgi_ctx_t *f; - - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - - if (f == NULL) { - return NGX_OK; - } - - f->state = ngx_http_fastcgi_st_version; - f->fastcgi_stdout = 0; - f->large_stderr = 0; - - if (f->split_parts) { - f->split_parts->nelts = 0; - } - - r->state = 0; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_body_output_filter(void *data, ngx_chain_t *in) -{ - ngx_http_request_t *r = data; - - off_t file_pos; - u_char *pos, *start; - size_t len, padding; - ngx_buf_t *b; - ngx_int_t rc; - ngx_uint_t next, last; - ngx_chain_t *cl, *tl, *out, **ll; - ngx_http_fastcgi_ctx_t *f; - ngx_http_fastcgi_header_t *h; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "fastcgi output filter"); - - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - - if (in == NULL) { - out = in; - goto out; - } - - out = NULL; - ll = &out; - - if (!f->header_sent) { - /* first buffer contains headers, pass it unmodified */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "fastcgi output header"); - - f->header_sent = 1; - - tl = ngx_alloc_chain_link(r->pool); - if (tl == NULL) { - return NGX_ERROR; - } - - tl->buf = in->buf; - *ll = tl; - ll = &tl->next; - - in = in->next; - - if (in == NULL) { - tl->next = NULL; - goto out; - } - } - - cl = ngx_chain_get_free_buf(r->pool, &f->free); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - - b->tag = (ngx_buf_tag_t) &ngx_http_fastcgi_body_output_filter; - b->temporary = 1; - - if (b->start == NULL) { - /* reserve space for maximum possible padding, 7 bytes */ - - b->start = ngx_palloc(r->pool, - sizeof(ngx_http_fastcgi_header_t) + 7); - if (b->start == NULL) { - return NGX_ERROR; - } - - b->pos = b->start; - b->last = b->start; - - b->end = b->start + sizeof(ngx_http_fastcgi_header_t) + 7; - } - - *ll = cl; - - last = 0; - padding = 0; - -#if (NGX_SUPPRESS_WARN) - file_pos = 0; - pos = NULL; -#endif - - while (in) { - - ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, - "fastcgi output in l:%d f:%d %p, pos %p, size: %z " - "file: %O, size: %O", - in->buf->last_buf, - in->buf->in_file, - in->buf->start, in->buf->pos, - in->buf->last - in->buf->pos, - in->buf->file_pos, - in->buf->file_last - in->buf->file_pos); - - if (in->buf->last_buf) { - last = 1; - } - - if (ngx_buf_special(in->buf)) { - in = in->next; - continue; - } - - if (in->buf->in_file) { - file_pos = in->buf->file_pos; - - } else { - pos = in->buf->pos; - } - - next = 0; - - do { - tl = ngx_chain_get_free_buf(r->pool, &f->free); - if (tl == NULL) { - return NGX_ERROR; - } - - b = tl->buf; - start = b->start; - - ngx_memcpy(b, in->buf, sizeof(ngx_buf_t)); - - /* - * restore b->start to preserve memory allocated in the buffer, - * to reuse it later for headers and padding - */ - - b->start = start; - - if (in->buf->in_file) { - b->file_pos = file_pos; - file_pos += 32 * 1024; - - if (file_pos >= in->buf->file_last) { - file_pos = in->buf->file_last; - next = 1; - } - - b->file_last = file_pos; - len = (ngx_uint_t) (file_pos - b->file_pos); - - } else { - b->pos = pos; - pos += 32 * 1024; - - if (pos >= in->buf->last) { - pos = in->buf->last; - next = 1; - } - - b->last = pos; - len = (ngx_uint_t) (pos - b->pos); - } - - b->tag = (ngx_buf_tag_t) &ngx_http_fastcgi_body_output_filter; - b->shadow = in->buf; - b->last_shadow = next; - - b->last_buf = 0; - b->last_in_chain = 0; - - padding = 8 - len % 8; - padding = (padding == 8) ? 0 : padding; - - h = (ngx_http_fastcgi_header_t *) cl->buf->last; - cl->buf->last += sizeof(ngx_http_fastcgi_header_t); - - h->version = 1; - h->type = NGX_HTTP_FASTCGI_STDIN; - h->request_id_hi = 0; - h->request_id_lo = 1; - h->content_length_hi = (u_char) ((len >> 8) & 0xff); - h->content_length_lo = (u_char) (len & 0xff); - h->padding_length = (u_char) padding; - h->reserved = 0; - - cl->next = tl; - cl = tl; - - tl = ngx_chain_get_free_buf(r->pool, &f->free); - if (tl == NULL) { - return NGX_ERROR; - } - - b = tl->buf; - - b->tag = (ngx_buf_tag_t) &ngx_http_fastcgi_body_output_filter; - b->temporary = 1; - - if (b->start == NULL) { - /* reserve space for maximum possible padding, 7 bytes */ - - b->start = ngx_palloc(r->pool, - sizeof(ngx_http_fastcgi_header_t) + 7); - if (b->start == NULL) { - return NGX_ERROR; - } - - b->pos = b->start; - b->last = b->start; - - b->end = b->start + sizeof(ngx_http_fastcgi_header_t) + 7; - } - - if (padding) { - ngx_memzero(b->last, padding); - b->last += padding; - } - - cl->next = tl; - cl = tl; - - } while (!next); - - in = in->next; - } - - if (last) { - h = (ngx_http_fastcgi_header_t *) cl->buf->last; - cl->buf->last += sizeof(ngx_http_fastcgi_header_t); - - h->version = 1; - h->type = NGX_HTTP_FASTCGI_STDIN; - h->request_id_hi = 0; - h->request_id_lo = 1; - h->content_length_hi = 0; - h->content_length_lo = 0; - h->padding_length = 0; - h->reserved = 0; - - cl->buf->last_buf = 1; - - } else if (padding == 0) { - /* TODO: do not allocate buffers instead */ - cl->buf->temporary = 0; - cl->buf->sync = 1; - } - - cl->next = NULL; - -out: - -#if (NGX_DEBUG) - - for (cl = out; cl; cl = cl->next) { - ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, - "fastcgi output out l:%d f:%d %p, pos %p, size: %z " - "file: %O, size: %O", - cl->buf->last_buf, - cl->buf->in_file, - cl->buf->start, cl->buf->pos, - cl->buf->last - cl->buf->pos, - cl->buf->file_pos, - cl->buf->file_last - cl->buf->file_pos); - } - -#endif - - rc = ngx_chain_writer(&r->upstream->writer, out); - - ngx_chain_update_chains(r->pool, &f->free, &f->busy, &out, - (ngx_buf_tag_t) &ngx_http_fastcgi_body_output_filter); - - for (cl = f->free; cl; cl = cl->next) { - - /* mark original buffers as sent */ - - if (cl->buf->shadow) { - if (cl->buf->last_shadow) { - b = cl->buf->shadow; - b->pos = b->last; - } - - cl->buf->shadow = NULL; - } - } - - return rc; -} - - -static ngx_int_t -ngx_http_fastcgi_process_header(ngx_http_request_t *r) -{ - u_char *p, *msg, *start, *last, - *part_start, *part_end; - size_t size; - ngx_str_t *status_line, *pattern; - ngx_int_t rc, status; - ngx_buf_t buf; - ngx_uint_t i; - ngx_table_elt_t *h; - ngx_http_upstream_t *u; - ngx_http_fastcgi_ctx_t *f; - ngx_http_upstream_header_t *hh; - ngx_http_fastcgi_loc_conf_t *flcf; - ngx_http_fastcgi_split_part_t *part; - ngx_http_upstream_main_conf_t *umcf; - - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - - umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); - - u = r->upstream; - - for ( ;; ) { - - if (f->state < ngx_http_fastcgi_st_data) { - - f->pos = u->buffer.pos; - f->last = u->buffer.last; - - rc = ngx_http_fastcgi_process_record(r, f); - - u->buffer.pos = f->pos; - u->buffer.last = f->last; - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (f->type != NGX_HTTP_FASTCGI_STDOUT - && f->type != NGX_HTTP_FASTCGI_STDERR) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent unexpected FastCGI record: %ui", - f->type); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream prematurely closed FastCGI stdout"); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - } - - if (f->state == ngx_http_fastcgi_st_padding) { - - if (u->buffer.pos + f->padding < u->buffer.last) { - f->state = ngx_http_fastcgi_st_version; - u->buffer.pos += f->padding; - - continue; - } - - if (u->buffer.pos + f->padding == u->buffer.last) { - f->state = ngx_http_fastcgi_st_version; - u->buffer.pos = u->buffer.last; - - return NGX_AGAIN; - } - - f->padding -= u->buffer.last - u->buffer.pos; - u->buffer.pos = u->buffer.last; - - return NGX_AGAIN; - } - - - /* f->state == ngx_http_fastcgi_st_data */ - - if (f->type == NGX_HTTP_FASTCGI_STDERR) { - - if (f->length) { - msg = u->buffer.pos; - - if (u->buffer.pos + f->length <= u->buffer.last) { - u->buffer.pos += f->length; - f->length = 0; - f->state = ngx_http_fastcgi_st_padding; - - } else { - f->length -= u->buffer.last - u->buffer.pos; - u->buffer.pos = u->buffer.last; - } - - for (p = u->buffer.pos - 1; msg < p; p--) { - if (*p != LF && *p != CR && *p != '.' && *p != ' ') { - break; - } - } - - p++; - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "FastCGI sent in stderr: \"%*s\"", p - msg, msg); - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - if (flcf->catch_stderr) { - pattern = flcf->catch_stderr->elts; - - for (i = 0; i < flcf->catch_stderr->nelts; i++) { - if (ngx_strnstr(msg, (char *) pattern[i].data, - p - msg) - != NULL) - { - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - } - } - - if (u->buffer.pos == u->buffer.last) { - - if (!f->fastcgi_stdout) { - - /* - * the special handling the large number - * of the PHP warnings to not allocate memory - */ - -#if (NGX_HTTP_CACHE) - if (r->cache) { - u->buffer.pos = u->buffer.start - + r->cache->header_start; - } else { - u->buffer.pos = u->buffer.start; - } -#else - u->buffer.pos = u->buffer.start; -#endif - u->buffer.last = u->buffer.pos; - f->large_stderr = 1; - } - - return NGX_AGAIN; - } - - } else { - f->state = ngx_http_fastcgi_st_padding; - } - - continue; - } - - - /* f->type == NGX_HTTP_FASTCGI_STDOUT */ - -#if (NGX_HTTP_CACHE) - - if (f->large_stderr && r->cache) { - ssize_t len; - ngx_http_fastcgi_header_t *fh; - - start = u->buffer.start + r->cache->header_start; - - len = u->buffer.pos - start - 2 * sizeof(ngx_http_fastcgi_header_t); - - /* - * A tail of large stderr output before HTTP header is placed - * in a cache file without a FastCGI record header. - * To workaround it we put a dummy FastCGI record header at the - * start of the stderr output or update r->cache_header_start, - * if there is no enough place for the record header. - */ - - if (len >= 0) { - fh = (ngx_http_fastcgi_header_t *) start; - fh->version = 1; - fh->type = NGX_HTTP_FASTCGI_STDERR; - fh->request_id_hi = 0; - fh->request_id_lo = 1; - fh->content_length_hi = (u_char) ((len >> 8) & 0xff); - fh->content_length_lo = (u_char) (len & 0xff); - fh->padding_length = 0; - fh->reserved = 0; - - } else { - r->cache->header_start += u->buffer.pos - start - - sizeof(ngx_http_fastcgi_header_t); - } - - f->large_stderr = 0; - } - -#endif - - f->fastcgi_stdout = 1; - - start = u->buffer.pos; - - if (u->buffer.pos + f->length < u->buffer.last) { - - /* - * set u->buffer.last to the end of the FastCGI record data - * for ngx_http_parse_header_line() - */ - - last = u->buffer.last; - u->buffer.last = u->buffer.pos + f->length; - - } else { - last = NULL; - } - - for ( ;; ) { - - part_start = u->buffer.pos; - part_end = u->buffer.last; - - rc = ngx_http_parse_header_line(r, &u->buffer, 1); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi parser: %i", rc); - - if (rc == NGX_AGAIN) { - break; - } - - if (rc == NGX_OK) { - - /* a header line has been parsed successfully */ - - h = ngx_list_push(&u->headers_in.headers); - if (h == NULL) { - return NGX_ERROR; - } - - if (f->split_parts && f->split_parts->nelts) { - - part = f->split_parts->elts; - size = u->buffer.pos - part_start; - - for (i = 0; i < f->split_parts->nelts; i++) { - size += part[i].end - part[i].start; - } - - p = ngx_pnalloc(r->pool, size); - if (p == NULL) { - h->hash = 0; - return NGX_ERROR; - } - - buf.pos = p; - - for (i = 0; i < f->split_parts->nelts; i++) { - p = ngx_cpymem(p, part[i].start, - part[i].end - part[i].start); - } - - p = ngx_cpymem(p, part_start, u->buffer.pos - part_start); - - buf.last = p; - - f->split_parts->nelts = 0; - - rc = ngx_http_parse_header_line(r, &buf, 1); - - if (rc != NGX_OK) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "invalid header after joining " - "FastCGI records"); - h->hash = 0; - return NGX_ERROR; - } - - h->key.len = r->header_name_end - r->header_name_start; - h->key.data = r->header_name_start; - h->key.data[h->key.len] = '\0'; - - h->value.len = r->header_end - r->header_start; - h->value.data = r->header_start; - h->value.data[h->value.len] = '\0'; - - h->lowcase_key = ngx_pnalloc(r->pool, h->key.len); - if (h->lowcase_key == NULL) { - return NGX_ERROR; - } - - } else { - - h->key.len = r->header_name_end - r->header_name_start; - h->value.len = r->header_end - r->header_start; - - h->key.data = ngx_pnalloc(r->pool, - h->key.len + 1 + h->value.len + 1 - + h->key.len); - if (h->key.data == NULL) { - h->hash = 0; - return NGX_ERROR; - } - - h->value.data = h->key.data + h->key.len + 1; - h->lowcase_key = h->key.data + h->key.len + 1 - + h->value.len + 1; - - ngx_memcpy(h->key.data, r->header_name_start, h->key.len); - h->key.data[h->key.len] = '\0'; - ngx_memcpy(h->value.data, r->header_start, h->value.len); - h->value.data[h->value.len] = '\0'; - } - - h->hash = r->header_hash; - - if (h->key.len == r->lowcase_index) { - ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); - - } else { - ngx_strlow(h->lowcase_key, h->key.data, h->key.len); - } - - hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, - h->lowcase_key, h->key.len); - - if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { - return NGX_ERROR; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi header: \"%V: %V\"", - &h->key, &h->value); - - if (u->buffer.pos < u->buffer.last) { - continue; - } - - /* the end of the FastCGI record */ - - break; - } - - if (rc == NGX_HTTP_PARSE_HEADER_DONE) { - - /* a whole header has been parsed successfully */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi header done"); - - if (u->headers_in.status) { - status_line = &u->headers_in.status->value; - - status = ngx_atoi(status_line->data, 3); - - if (status == NGX_ERROR) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid status \"%V\"", - status_line); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - u->headers_in.status_n = status; - u->headers_in.status_line = *status_line; - - } else if (u->headers_in.location) { - u->headers_in.status_n = 302; - ngx_str_set(&u->headers_in.status_line, - "302 Moved Temporarily"); - - } else { - u->headers_in.status_n = 200; - ngx_str_set(&u->headers_in.status_line, "200 OK"); - } - - if (u->state && u->state->status == 0) { - u->state->status = u->headers_in.status_n; - } - - break; - } - - /* there was error while a header line parsing */ - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid header"); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (last) { - u->buffer.last = last; - } - - f->length -= u->buffer.pos - start; - - if (f->length == 0) { - f->state = ngx_http_fastcgi_st_padding; - } - - if (rc == NGX_HTTP_PARSE_HEADER_DONE) { - return NGX_OK; - } - - if (rc == NGX_OK) { - continue; - } - - /* rc == NGX_AGAIN */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "upstream split a header line in FastCGI records"); - - if (f->split_parts == NULL) { - f->split_parts = ngx_array_create(r->pool, 1, - sizeof(ngx_http_fastcgi_split_part_t)); - if (f->split_parts == NULL) { - return NGX_ERROR; - } - } - - part = ngx_array_push(f->split_parts); - if (part == NULL) { - return NGX_ERROR; - } - - part->start = part_start; - part->end = part_end; - - if (u->buffer.pos < u->buffer.last) { - continue; - } - - return NGX_AGAIN; - } -} - - -static ngx_int_t -ngx_http_fastcgi_input_filter_init(void *data) -{ - ngx_http_request_t *r = data; - ngx_http_fastcgi_loc_conf_t *flcf; - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - r->upstream->pipe->length = flcf->keep_conn ? - (off_t) sizeof(ngx_http_fastcgi_header_t) : -1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf) -{ - u_char *m, *msg; - ngx_int_t rc; - ngx_buf_t *b, **prev; - ngx_chain_t *cl; - ngx_http_request_t *r; - ngx_http_fastcgi_ctx_t *f; - ngx_http_fastcgi_loc_conf_t *flcf; - - if (buf->pos == buf->last) { - return NGX_OK; - } - - r = p->input_ctx; - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - b = NULL; - prev = &buf->shadow; - - f->pos = buf->pos; - f->last = buf->last; - - for ( ;; ) { - if (f->state < ngx_http_fastcgi_st_data) { - - rc = ngx_http_fastcgi_process_record(r, f); - - if (rc == NGX_AGAIN) { - break; - } - - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) { - f->state = ngx_http_fastcgi_st_padding; - - if (!flcf->keep_conn) { - p->upstream_done = 1; - } - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0, - "http fastcgi closed stdout"); - - continue; - } - - if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) { - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, p->log, 0, - "http fastcgi sent end request"); - - if (!flcf->keep_conn) { - p->upstream_done = 1; - break; - } - - continue; - } - } - - - if (f->state == ngx_http_fastcgi_st_padding) { - - if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) { - - if (f->pos + f->padding < f->last) { - p->upstream_done = 1; - break; - } - - if (f->pos + f->padding == f->last) { - p->upstream_done = 1; - r->upstream->keepalive = 1; - break; - } - - f->padding -= f->last - f->pos; - - break; - } - - if (f->pos + f->padding < f->last) { - f->state = ngx_http_fastcgi_st_version; - f->pos += f->padding; - - continue; - } - - if (f->pos + f->padding == f->last) { - f->state = ngx_http_fastcgi_st_version; - - break; - } - - f->padding -= f->last - f->pos; - - break; - } - - - /* f->state == ngx_http_fastcgi_st_data */ - - if (f->type == NGX_HTTP_FASTCGI_STDERR) { - - if (f->length) { - - if (f->pos == f->last) { - break; - } - - msg = f->pos; - - if (f->pos + f->length <= f->last) { - f->pos += f->length; - f->length = 0; - f->state = ngx_http_fastcgi_st_padding; - - } else { - f->length -= f->last - f->pos; - f->pos = f->last; - } - - for (m = f->pos - 1; msg < m; m--) { - if (*m != LF && *m != CR && *m != '.' && *m != ' ') { - break; - } - } - - ngx_log_error(NGX_LOG_ERR, p->log, 0, - "FastCGI sent in stderr: \"%*s\"", - m + 1 - msg, msg); - - } else { - f->state = ngx_http_fastcgi_st_padding; - } - - continue; - } - - if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) { - - if (f->pos + f->length <= f->last) { - f->state = ngx_http_fastcgi_st_padding; - f->pos += f->length; - - continue; - } - - f->length -= f->last - f->pos; - - break; - } - - - /* f->type == NGX_HTTP_FASTCGI_STDOUT */ - - if (f->pos == f->last) { - break; - } - - cl = ngx_chain_get_free_buf(p->pool, &p->free); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - - ngx_memzero(b, sizeof(ngx_buf_t)); - - b->pos = f->pos; - b->start = buf->start; - b->end = buf->end; - b->tag = p->tag; - b->temporary = 1; - b->recycled = 1; - - *prev = b; - prev = &b->shadow; - - if (p->in) { - *p->last_in = cl; - } else { - p->in = cl; - } - p->last_in = &cl->next; - - - /* STUB */ b->num = buf->num; - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, p->log, 0, - "input buf #%d %p", b->num, b->pos); - - if (f->pos + f->length <= f->last) { - f->state = ngx_http_fastcgi_st_padding; - f->pos += f->length; - b->last = f->pos; - - continue; - } - - f->length -= f->last - f->pos; - - b->last = f->last; - - break; - - } - - if (flcf->keep_conn) { - - /* set p->length, minimal amount of data we want to see */ - - if (f->state < ngx_http_fastcgi_st_data) { - p->length = 1; - - } else if (f->state == ngx_http_fastcgi_st_padding) { - p->length = f->padding; - - } else { - /* ngx_http_fastcgi_st_data */ - - p->length = f->length; - } - } - - if (b) { - b->shadow = buf; - b->last_shadow = 1; - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, p->log, 0, - "input buf %p %z", b->pos, b->last - b->pos); - - return NGX_OK; - } - - /* there is no data record in the buf, add it to free chain */ - - if (ngx_event_pipe_add_free_buf(p, buf) != NGX_OK) { - return NGX_ERROR; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_non_buffered_filter(void *data, ssize_t bytes) -{ - u_char *m, *msg; - ngx_int_t rc; - ngx_buf_t *b, *buf; - ngx_chain_t *cl, **ll; - ngx_http_request_t *r; - ngx_http_upstream_t *u; - ngx_http_fastcgi_ctx_t *f; - - r = data; - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - - u = r->upstream; - buf = &u->buffer; - - buf->pos = buf->last; - buf->last += bytes; - - for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { - ll = &cl->next; - } - - f->pos = buf->pos; - f->last = buf->last; - - for ( ;; ) { - if (f->state < ngx_http_fastcgi_st_data) { - - rc = ngx_http_fastcgi_process_record(r, f); - - if (rc == NGX_AGAIN) { - break; - } - - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - if (f->type == NGX_HTTP_FASTCGI_STDOUT && f->length == 0) { - f->state = ngx_http_fastcgi_st_padding; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi closed stdout"); - - continue; - } - } - - if (f->state == ngx_http_fastcgi_st_padding) { - - if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) { - - if (f->pos + f->padding < f->last) { - u->length = 0; - break; - } - - if (f->pos + f->padding == f->last) { - u->length = 0; - u->keepalive = 1; - break; - } - - f->padding -= f->last - f->pos; - - break; - } - - if (f->pos + f->padding < f->last) { - f->state = ngx_http_fastcgi_st_version; - f->pos += f->padding; - - continue; - } - - if (f->pos + f->padding == f->last) { - f->state = ngx_http_fastcgi_st_version; - - break; - } - - f->padding -= f->last - f->pos; - - break; - } - - - /* f->state == ngx_http_fastcgi_st_data */ - - if (f->type == NGX_HTTP_FASTCGI_STDERR) { - - if (f->length) { - - if (f->pos == f->last) { - break; - } - - msg = f->pos; - - if (f->pos + f->length <= f->last) { - f->pos += f->length; - f->length = 0; - f->state = ngx_http_fastcgi_st_padding; - - } else { - f->length -= f->last - f->pos; - f->pos = f->last; - } - - for (m = f->pos - 1; msg < m; m--) { - if (*m != LF && *m != CR && *m != '.' && *m != ' ') { - break; - } - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "FastCGI sent in stderr: \"%*s\"", - m + 1 - msg, msg); - - } else { - f->state = ngx_http_fastcgi_st_padding; - } - - continue; - } - - if (f->type == NGX_HTTP_FASTCGI_END_REQUEST) { - - if (f->pos + f->length <= f->last) { - f->state = ngx_http_fastcgi_st_padding; - f->pos += f->length; - - continue; - } - - f->length -= f->last - f->pos; - - break; - } - - - /* f->type == NGX_HTTP_FASTCGI_STDOUT */ - - if (f->pos == f->last) { - break; - } - - cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); - if (cl == NULL) { - return NGX_ERROR; - } - - *ll = cl; - ll = &cl->next; - - b = cl->buf; - - b->flush = 1; - b->memory = 1; - - b->pos = f->pos; - b->tag = u->output.tag; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi output buf %p", b->pos); - - if (f->pos + f->length <= f->last) { - f->state = ngx_http_fastcgi_st_padding; - f->pos += f->length; - b->last = f->pos; - - continue; - } - - f->length -= f->last - f->pos; - b->last = f->last; - - break; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_process_record(ngx_http_request_t *r, - ngx_http_fastcgi_ctx_t *f) -{ - u_char ch, *p; - ngx_http_fastcgi_state_e state; - - state = f->state; - - for (p = f->pos; p < f->last; p++) { - - ch = *p; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi record byte: %02Xd", ch); - - switch (state) { - - case ngx_http_fastcgi_st_version: - if (ch != 1) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent unsupported FastCGI " - "protocol version: %d", ch); - return NGX_ERROR; - } - state = ngx_http_fastcgi_st_type; - break; - - case ngx_http_fastcgi_st_type: - switch (ch) { - case NGX_HTTP_FASTCGI_STDOUT: - case NGX_HTTP_FASTCGI_STDERR: - case NGX_HTTP_FASTCGI_END_REQUEST: - f->type = (ngx_uint_t) ch; - break; - default: - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid FastCGI " - "record type: %d", ch); - return NGX_ERROR; - - } - state = ngx_http_fastcgi_st_request_id_hi; - break; - - /* we support the single request per connection */ - - case ngx_http_fastcgi_st_request_id_hi: - if (ch != 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent unexpected FastCGI " - "request id high byte: %d", ch); - return NGX_ERROR; - } - state = ngx_http_fastcgi_st_request_id_lo; - break; - - case ngx_http_fastcgi_st_request_id_lo: - if (ch != 1) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent unexpected FastCGI " - "request id low byte: %d", ch); - return NGX_ERROR; - } - state = ngx_http_fastcgi_st_content_length_hi; - break; - - case ngx_http_fastcgi_st_content_length_hi: - f->length = ch << 8; - state = ngx_http_fastcgi_st_content_length_lo; - break; - - case ngx_http_fastcgi_st_content_length_lo: - f->length |= (size_t) ch; - state = ngx_http_fastcgi_st_padding_length; - break; - - case ngx_http_fastcgi_st_padding_length: - f->padding = (size_t) ch; - state = ngx_http_fastcgi_st_reserved; - break; - - case ngx_http_fastcgi_st_reserved: - state = ngx_http_fastcgi_st_data; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http fastcgi record length: %z", f->length); - - f->pos = p + 1; - f->state = state; - - return NGX_OK; - - /* suppress warning */ - case ngx_http_fastcgi_st_data: - case ngx_http_fastcgi_st_padding: - break; - } - } - - f->pos = p; - f->state = state; - - return NGX_AGAIN; -} - - -static void -ngx_http_fastcgi_abort_request(ngx_http_request_t *r) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "abort http fastcgi request"); - - return; -} - - -static void -ngx_http_fastcgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "finalize http fastcgi request"); - - return; -} - - -static ngx_int_t -ngx_http_fastcgi_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var, *v; - - for (v = ngx_http_fastcgi_vars; v->name.len; v++) { - var = ngx_http_add_variable(cf, &v->name, v->flags); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = v->get_handler; - var->data = v->data; - } - - return NGX_OK; -} - - -static void * -ngx_http_fastcgi_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_fastcgi_main_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_fastcgi_main_conf_t)); - if (conf == NULL) { - return NULL; - } - -#if (NGX_HTTP_CACHE) - if (ngx_array_init(&conf->caches, cf->pool, 4, - sizeof(ngx_http_file_cache_t *)) - != NGX_OK) - { - return NULL; - } -#endif - - return conf; -} - - -static void * -ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_fastcgi_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_fastcgi_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->upstream.bufs.num = 0; - * conf->upstream.ignore_headers = 0; - * conf->upstream.next_upstream = 0; - * conf->upstream.cache_zone = NULL; - * conf->upstream.cache_use_stale = 0; - * conf->upstream.cache_methods = 0; - * conf->upstream.temp_path = NULL; - * conf->upstream.hide_headers_hash = { NULL, 0 }; - * conf->upstream.store_lengths = NULL; - * conf->upstream.store_values = NULL; - * - * conf->index.len = { 0, NULL }; - */ - - conf->upstream.store = NGX_CONF_UNSET; - conf->upstream.store_access = NGX_CONF_UNSET_UINT; - conf->upstream.next_upstream_tries = NGX_CONF_UNSET_UINT; - conf->upstream.buffering = NGX_CONF_UNSET; - conf->upstream.request_buffering = NGX_CONF_UNSET; - conf->upstream.ignore_client_abort = NGX_CONF_UNSET; - conf->upstream.force_ranges = NGX_CONF_UNSET; - - conf->upstream.local = NGX_CONF_UNSET_PTR; - - conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.next_upstream_timeout = NGX_CONF_UNSET_MSEC; - - conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; - conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; - conf->upstream.limit_rate = NGX_CONF_UNSET_SIZE; - - conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; - conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; - conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; - - conf->upstream.pass_request_headers = NGX_CONF_UNSET; - conf->upstream.pass_request_body = NGX_CONF_UNSET; - -#if (NGX_HTTP_CACHE) - conf->upstream.cache = NGX_CONF_UNSET; - conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT; - conf->upstream.cache_max_range_offset = NGX_CONF_UNSET; - conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR; - conf->upstream.no_cache = NGX_CONF_UNSET_PTR; - conf->upstream.cache_valid = NGX_CONF_UNSET_PTR; - conf->upstream.cache_lock = NGX_CONF_UNSET; - conf->upstream.cache_lock_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.cache_lock_age = NGX_CONF_UNSET_MSEC; - conf->upstream.cache_revalidate = NGX_CONF_UNSET; - conf->upstream.cache_background_update = NGX_CONF_UNSET; -#endif - - conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; - conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; - - conf->upstream.intercept_errors = NGX_CONF_UNSET; - - /* "fastcgi_cyclic_temp_file" is disabled */ - conf->upstream.cyclic_temp_file = 0; - - conf->upstream.change_buffering = 1; - - conf->catch_stderr = NGX_CONF_UNSET_PTR; - - conf->keep_conn = NGX_CONF_UNSET; - - ngx_str_set(&conf->upstream.module, "fastcgi"); - - return conf; -} - - -static char * -ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_fastcgi_loc_conf_t *prev = parent; - ngx_http_fastcgi_loc_conf_t *conf = child; - - size_t size; - ngx_int_t rc; - ngx_hash_init_t hash; - ngx_http_core_loc_conf_t *clcf; - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.store > 0) { - conf->upstream.cache = 0; - } - - if (conf->upstream.cache > 0) { - conf->upstream.store = 0; - } - -#endif - - if (conf->upstream.store == NGX_CONF_UNSET) { - ngx_conf_merge_value(conf->upstream.store, - prev->upstream.store, 0); - - conf->upstream.store_lengths = prev->upstream.store_lengths; - conf->upstream.store_values = prev->upstream.store_values; - } - - ngx_conf_merge_uint_value(conf->upstream.store_access, - prev->upstream.store_access, 0600); - - ngx_conf_merge_uint_value(conf->upstream.next_upstream_tries, - prev->upstream.next_upstream_tries, 0); - - ngx_conf_merge_value(conf->upstream.buffering, - prev->upstream.buffering, 1); - - ngx_conf_merge_value(conf->upstream.request_buffering, - prev->upstream.request_buffering, 1); - - ngx_conf_merge_value(conf->upstream.ignore_client_abort, - prev->upstream.ignore_client_abort, 0); - - ngx_conf_merge_value(conf->upstream.force_ranges, - prev->upstream.force_ranges, 0); - - ngx_conf_merge_ptr_value(conf->upstream.local, - prev->upstream.local, NULL); - - ngx_conf_merge_msec_value(conf->upstream.connect_timeout, - prev->upstream.connect_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.send_timeout, - prev->upstream.send_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.read_timeout, - prev->upstream.read_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.next_upstream_timeout, - prev->upstream.next_upstream_timeout, 0); - - ngx_conf_merge_size_value(conf->upstream.send_lowat, - prev->upstream.send_lowat, 0); - - ngx_conf_merge_size_value(conf->upstream.buffer_size, - prev->upstream.buffer_size, - (size_t) ngx_pagesize); - - ngx_conf_merge_size_value(conf->upstream.limit_rate, - prev->upstream.limit_rate, 0); - - - ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, - 8, ngx_pagesize); - - if (conf->upstream.bufs.num < 2) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "there must be at least 2 \"fastcgi_buffers\""); - return NGX_CONF_ERROR; - } - - - size = conf->upstream.buffer_size; - if (size < conf->upstream.bufs.size) { - size = conf->upstream.bufs.size; - } - - - ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, - prev->upstream.busy_buffers_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.busy_buffers_size = 2 * size; - } else { - conf->upstream.busy_buffers_size = - conf->upstream.busy_buffers_size_conf; - } - - if (conf->upstream.busy_buffers_size < size) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"fastcgi_busy_buffers_size\" must be equal to or greater than " - "the maximum of the value of \"fastcgi_buffer_size\" and " - "one of the \"fastcgi_buffers\""); - - return NGX_CONF_ERROR; - } - - if (conf->upstream.busy_buffers_size - > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"fastcgi_busy_buffers_size\" must be less than " - "the size of all \"fastcgi_buffers\" minus one buffer"); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, - prev->upstream.temp_file_write_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.temp_file_write_size = 2 * size; - } else { - conf->upstream.temp_file_write_size = - conf->upstream.temp_file_write_size_conf; - } - - if (conf->upstream.temp_file_write_size < size) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"fastcgi_temp_file_write_size\" must be equal to or greater " - "than the maximum of the value of \"fastcgi_buffer_size\" and " - "one of the \"fastcgi_buffers\""); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, - prev->upstream.max_temp_file_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; - } else { - conf->upstream.max_temp_file_size = - conf->upstream.max_temp_file_size_conf; - } - - if (conf->upstream.max_temp_file_size != 0 - && conf->upstream.max_temp_file_size < size) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"fastcgi_max_temp_file_size\" must be equal to zero to disable " - "temporary files usage or must be equal to or greater than " - "the maximum of the value of \"fastcgi_buffer_size\" and " - "one of the \"fastcgi_buffers\""); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, - prev->upstream.ignore_headers, - NGX_CONF_BITMASK_SET); - - - ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, - prev->upstream.next_upstream, - (NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_ERROR - |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); - - if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { - conf->upstream.next_upstream = NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF; - } - - if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path, - prev->upstream.temp_path, - &ngx_http_fastcgi_temp_path) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.cache == NGX_CONF_UNSET) { - ngx_conf_merge_value(conf->upstream.cache, - prev->upstream.cache, 0); - - conf->upstream.cache_zone = prev->upstream.cache_zone; - conf->upstream.cache_value = prev->upstream.cache_value; - } - - if (conf->upstream.cache_zone && conf->upstream.cache_zone->data == NULL) { - ngx_shm_zone_t *shm_zone; - - shm_zone = conf->upstream.cache_zone; - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"fastcgi_cache\" zone \"%V\" is unknown", - &shm_zone->shm.name); - - return NGX_CONF_ERROR; - } - - ngx_conf_merge_uint_value(conf->upstream.cache_min_uses, - prev->upstream.cache_min_uses, 1); - - ngx_conf_merge_off_value(conf->upstream.cache_max_range_offset, - prev->upstream.cache_max_range_offset, - NGX_MAX_OFF_T_VALUE); - - ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale, - prev->upstream.cache_use_stale, - (NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF)); - - if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) { - conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF; - } - - if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_ERROR) { - conf->upstream.cache_use_stale |= NGX_HTTP_UPSTREAM_FT_NOLIVE; - } - - if (conf->upstream.cache_methods == 0) { - conf->upstream.cache_methods = prev->upstream.cache_methods; - } - - conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD; - - ngx_conf_merge_ptr_value(conf->upstream.cache_bypass, - prev->upstream.cache_bypass, NULL); - - ngx_conf_merge_ptr_value(conf->upstream.no_cache, - prev->upstream.no_cache, NULL); - - ngx_conf_merge_ptr_value(conf->upstream.cache_valid, - prev->upstream.cache_valid, NULL); - - if (conf->cache_key.value.data == NULL) { - conf->cache_key = prev->cache_key; - } - - if (conf->upstream.cache && conf->cache_key.value.data == NULL) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "no \"fastcgi_cache_key\" for \"fastcgi_cache\""); - } - - ngx_conf_merge_value(conf->upstream.cache_lock, - prev->upstream.cache_lock, 0); - - ngx_conf_merge_msec_value(conf->upstream.cache_lock_timeout, - prev->upstream.cache_lock_timeout, 5000); - - ngx_conf_merge_msec_value(conf->upstream.cache_lock_age, - prev->upstream.cache_lock_age, 5000); - - ngx_conf_merge_value(conf->upstream.cache_revalidate, - prev->upstream.cache_revalidate, 0); - - ngx_conf_merge_value(conf->upstream.cache_background_update, - prev->upstream.cache_background_update, 0); - -#endif - - ngx_conf_merge_value(conf->upstream.pass_request_headers, - prev->upstream.pass_request_headers, 1); - ngx_conf_merge_value(conf->upstream.pass_request_body, - prev->upstream.pass_request_body, 1); - - ngx_conf_merge_value(conf->upstream.intercept_errors, - prev->upstream.intercept_errors, 0); - - ngx_conf_merge_ptr_value(conf->catch_stderr, prev->catch_stderr, NULL); - - ngx_conf_merge_value(conf->keep_conn, prev->keep_conn, 0); - - - ngx_conf_merge_str_value(conf->index, prev->index, ""); - - hash.max_size = 512; - hash.bucket_size = ngx_align(64, ngx_cacheline_size); - hash.name = "fastcgi_hide_headers_hash"; - - if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, - &prev->upstream, ngx_http_fastcgi_hide_headers, &hash) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - - if (clcf->noname - && conf->upstream.upstream == NULL && conf->fastcgi_lengths == NULL) - { - conf->upstream.upstream = prev->upstream.upstream; - conf->fastcgi_lengths = prev->fastcgi_lengths; - conf->fastcgi_values = prev->fastcgi_values; - } - - if (clcf->lmt_excpt && clcf->handler == NULL - && (conf->upstream.upstream || conf->fastcgi_lengths)) - { - clcf->handler = ngx_http_fastcgi_handler; - } - -#if (NGX_PCRE) - if (conf->split_regex == NULL) { - conf->split_regex = prev->split_regex; - conf->split_name = prev->split_name; - } -#endif - - if (conf->params_source == NULL) { - conf->params = prev->params; -#if (NGX_HTTP_CACHE) - conf->params_cache = prev->params_cache; -#endif - conf->params_source = prev->params_source; - } - - rc = ngx_http_fastcgi_init_params(cf, conf, &conf->params, NULL); - if (rc != NGX_OK) { - return NGX_CONF_ERROR; - } - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.cache) { - rc = ngx_http_fastcgi_init_params(cf, conf, &conf->params_cache, - ngx_http_fastcgi_cache_headers); - if (rc != NGX_OK) { - return NGX_CONF_ERROR; - } - } - -#endif - - /* - * special handling to preserve conf->params in the "http" section - * to inherit it to all servers - */ - - if (prev->params.hash.buckets == NULL - && conf->params_source == prev->params_source) - { - prev->params = conf->params; -#if (NGX_HTTP_CACHE) - prev->params_cache = conf->params_cache; -#endif - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_init_params(ngx_conf_t *cf, ngx_http_fastcgi_loc_conf_t *conf, - ngx_http_fastcgi_params_t *params, ngx_keyval_t *default_params) -{ - u_char *p; - size_t size; - uintptr_t *code; - ngx_uint_t i, nsrc; - ngx_array_t headers_names, params_merged; - ngx_keyval_t *h; - ngx_hash_key_t *hk; - ngx_hash_init_t hash; - ngx_http_upstream_param_t *src, *s; - ngx_http_script_compile_t sc; - ngx_http_script_copy_code_t *copy; - - if (params->hash.buckets) { - return NGX_OK; - } - - if (conf->params_source == NULL && default_params == NULL) { - params->hash.buckets = (void *) 1; - return NGX_OK; - } - - params->lengths = ngx_array_create(cf->pool, 64, 1); - if (params->lengths == NULL) { - return NGX_ERROR; - } - - params->values = ngx_array_create(cf->pool, 512, 1); - if (params->values == NULL) { - return NGX_ERROR; - } - - if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - if (conf->params_source) { - src = conf->params_source->elts; - nsrc = conf->params_source->nelts; - - } else { - src = NULL; - nsrc = 0; - } - - if (default_params) { - if (ngx_array_init(¶ms_merged, cf->temp_pool, 4, - sizeof(ngx_http_upstream_param_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - for (i = 0; i < nsrc; i++) { - - s = ngx_array_push(¶ms_merged); - if (s == NULL) { - return NGX_ERROR; - } - - *s = src[i]; - } - - h = default_params; - - while (h->key.len) { - - src = params_merged.elts; - nsrc = params_merged.nelts; - - for (i = 0; i < nsrc; i++) { - if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { - goto next; - } - } - - s = ngx_array_push(¶ms_merged); - if (s == NULL) { - return NGX_ERROR; - } - - s->key = h->key; - s->value = h->value; - s->skip_empty = 1; - - next: - - h++; - } - - src = params_merged.elts; - nsrc = params_merged.nelts; - } - - for (i = 0; i < nsrc; i++) { - - if (src[i].key.len > sizeof("HTTP_") - 1 - && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0) - { - hk = ngx_array_push(&headers_names); - if (hk == NULL) { - return NGX_ERROR; - } - - hk->key.len = src[i].key.len - 5; - hk->key.data = src[i].key.data + 5; - hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len); - hk->value = (void *) 1; - - if (src[i].value.len == 0) { - continue; - } - } - - copy = ngx_array_push_n(params->lengths, - sizeof(ngx_http_script_copy_code_t)); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = (ngx_http_script_code_pt) (void *) - ngx_http_script_copy_len_code; - copy->len = src[i].key.len; - - copy = ngx_array_push_n(params->lengths, - sizeof(ngx_http_script_copy_code_t)); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = (ngx_http_script_code_pt) (void *) - ngx_http_script_copy_len_code; - copy->len = src[i].skip_empty; - - - size = (sizeof(ngx_http_script_copy_code_t) - + src[i].key.len + sizeof(uintptr_t) - 1) - & ~(sizeof(uintptr_t) - 1); - - copy = ngx_array_push_n(params->values, size); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = ngx_http_script_copy_code; - copy->len = src[i].key.len; - - p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); - ngx_memcpy(p, src[i].key.data, src[i].key.len); - - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &src[i].value; - sc.flushes = ¶ms->flushes; - sc.lengths = ¶ms->lengths; - sc.values = ¶ms->values; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_ERROR; - } - - code = ngx_array_push_n(params->lengths, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - - - code = ngx_array_push_n(params->values, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - } - - code = ngx_array_push_n(params->lengths, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - - params->number = headers_names.nelts; - - hash.hash = ¶ms->hash; - hash.key = ngx_hash_key_lc; - hash.max_size = 512; - hash.bucket_size = 64; - hash.name = "fastcgi_params_hash"; - hash.pool = cf->pool; - hash.temp_pool = NULL; - - return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts); -} - - -static ngx_int_t -ngx_http_fastcgi_script_name_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - ngx_http_fastcgi_ctx_t *f; - ngx_http_fastcgi_loc_conf_t *flcf; - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - f = ngx_http_fastcgi_split(r, flcf); - - if (f == NULL) { - return NGX_ERROR; - } - - if (f->script_name.len == 0 - || f->script_name.data[f->script_name.len - 1] != '/') - { - v->len = f->script_name.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = f->script_name.data; - - return NGX_OK; - } - - v->len = f->script_name.len + flcf->index.len; - - v->data = ngx_pnalloc(r->pool, v->len); - if (v->data == NULL) { - return NGX_ERROR; - } - - p = ngx_copy(v->data, f->script_name.data, f->script_name.len); - ngx_memcpy(p, flcf->index.data, flcf->index.len); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_fastcgi_path_info_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_http_fastcgi_ctx_t *f; - ngx_http_fastcgi_loc_conf_t *flcf; - - flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module); - - f = ngx_http_fastcgi_split(r, flcf); - - if (f == NULL) { - return NGX_ERROR; - } - - v->len = f->path_info.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = f->path_info.data; - - return NGX_OK; -} - - -static ngx_http_fastcgi_ctx_t * -ngx_http_fastcgi_split(ngx_http_request_t *r, ngx_http_fastcgi_loc_conf_t *flcf) -{ - ngx_http_fastcgi_ctx_t *f; -#if (NGX_PCRE) - ngx_int_t n; - int captures[(1 + 2) * 3]; - - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - - if (f == NULL) { - f = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_ctx_t)); - if (f == NULL) { - return NULL; - } - - ngx_http_set_ctx(r, f, ngx_http_fastcgi_module); - } - - if (f->script_name.len) { - return f; - } - - if (flcf->split_regex == NULL) { - f->script_name = r->uri; - return f; - } - - n = ngx_regex_exec(flcf->split_regex, &r->uri, captures, (1 + 2) * 3); - - if (n >= 0) { /* match */ - f->script_name.len = captures[3] - captures[2]; - f->script_name.data = r->uri.data + captures[2]; - - f->path_info.len = captures[5] - captures[4]; - f->path_info.data = r->uri.data + captures[4]; - - return f; - } - - if (n == NGX_REGEX_NO_MATCHED) { - f->script_name = r->uri; - return f; - } - - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", - n, &r->uri, &flcf->split_name); - return NULL; - -#else - - f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module); - - if (f == NULL) { - f = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_ctx_t)); - if (f == NULL) { - return NULL; - } - - ngx_http_set_ctx(r, f, ngx_http_fastcgi_module); - } - - f->script_name = r->uri; - - return f; - -#endif -} - - -static char * -ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_fastcgi_loc_conf_t *flcf = conf; - - ngx_url_t u; - ngx_str_t *value, *url; - ngx_uint_t n; - ngx_http_core_loc_conf_t *clcf; - ngx_http_script_compile_t sc; - - if (flcf->upstream.upstream || flcf->fastcgi_lengths) { - return "is duplicate"; - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - - clcf->handler = ngx_http_fastcgi_handler; - - if (clcf->name.data[clcf->name.len - 1] == '/') { - clcf->auto_redirect = 1; - } - - value = cf->args->elts; - - url = &value[1]; - - n = ngx_http_script_variables_count(url); - - if (n) { - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = url; - sc.lengths = &flcf->fastcgi_lengths; - sc.values = &flcf->fastcgi_values; - sc.variables = n; - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; - } - - ngx_memzero(&u, sizeof(ngx_url_t)); - - u.url = value[1]; - u.no_resolve = 1; - - flcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); - if (flcf->upstream.upstream == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_fastcgi_split_path_info(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ -#if (NGX_PCRE) - ngx_http_fastcgi_loc_conf_t *flcf = conf; - - ngx_str_t *value; - ngx_regex_compile_t rc; - u_char errstr[NGX_MAX_CONF_ERRSTR]; - - value = cf->args->elts; - - flcf->split_name = value[1]; - - ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); - - rc.pattern = value[1]; - rc.pool = cf->pool; - rc.err.len = NGX_MAX_CONF_ERRSTR; - rc.err.data = errstr; - - if (ngx_regex_compile(&rc) != NGX_OK) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc.err); - return NGX_CONF_ERROR; - } - - if (rc.captures != 2) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "pattern \"%V\" must have 2 captures", &value[1]); - return NGX_CONF_ERROR; - } - - flcf->split_regex = rc.regex; - - return NGX_CONF_OK; - -#else - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"%V\" requires PCRE library", &cmd->name); - return NGX_CONF_ERROR; - -#endif -} - - -static char * -ngx_http_fastcgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_fastcgi_loc_conf_t *flcf = conf; - - ngx_str_t *value; - ngx_http_script_compile_t sc; - - if (flcf->upstream.store != NGX_CONF_UNSET) { - return "is duplicate"; - } - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "off") == 0) { - flcf->upstream.store = 0; - return NGX_CONF_OK; - } - -#if (NGX_HTTP_CACHE) - if (flcf->upstream.cache > 0) { - return "is incompatible with \"fastcgi_cache\""; - } -#endif - - flcf->upstream.store = 1; - - if (ngx_strcmp(value[1].data, "on") == 0) { - return NGX_CONF_OK; - } - - /* include the terminating '\0' into script */ - value[1].len++; - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &value[1]; - sc.lengths = &flcf->upstream.store_lengths; - sc.values = &flcf->upstream.store_values; - sc.variables = ngx_http_script_variables_count(&value[1]); - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -#if (NGX_HTTP_CACHE) - -static char * -ngx_http_fastcgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_fastcgi_loc_conf_t *flcf = conf; - - ngx_str_t *value; - ngx_http_complex_value_t cv; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (flcf->upstream.cache != NGX_CONF_UNSET) { - return "is duplicate"; - } - - if (ngx_strcmp(value[1].data, "off") == 0) { - flcf->upstream.cache = 0; - return NGX_CONF_OK; - } - - if (flcf->upstream.store > 0) { - return "is incompatible with \"fastcgi_store\""; - } - - flcf->upstream.cache = 1; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths != NULL) { - - flcf->upstream.cache_value = ngx_palloc(cf->pool, - sizeof(ngx_http_complex_value_t)); - if (flcf->upstream.cache_value == NULL) { - return NGX_CONF_ERROR; - } - - *flcf->upstream.cache_value = cv; - - return NGX_CONF_OK; - } - - flcf->upstream.cache_zone = ngx_shared_memory_add(cf, &value[1], 0, - &ngx_http_fastcgi_module); - if (flcf->upstream.cache_zone == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_fastcgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_fastcgi_loc_conf_t *flcf = conf; - - ngx_str_t *value; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (flcf->cache_key.value.data) { - return "is duplicate"; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &flcf->cache_key; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - -#endif - - -static char * -ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post, void *data) -{ -#if (NGX_FREEBSD) - ssize_t *np = data; - - if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"fastcgi_send_lowat\" must be less than %d " - "(sysctl net.inet.tcp.sendspace)", - ngx_freebsd_net_inet_tcp_sendspace); - - return NGX_CONF_ERROR; - } - -#elif !(NGX_HAVE_SO_SNDLOWAT) - ssize_t *np = data; - - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "\"fastcgi_send_lowat\" is not supported, ignored"); - - *np = 0; - -#endif - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_flv_module.c b/nginx/src/http/modules/ngx_http_flv_module.c deleted file mode 100644 index 7b72fae..0000000 --- a/nginx/src/http/modules/ngx_http_flv_module.c +++ /dev/null @@ -1,266 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -static char *ngx_http_flv(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); - -static ngx_command_t ngx_http_flv_commands[] = { - - { ngx_string("flv"), - NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, - ngx_http_flv, - 0, - 0, - NULL }, - - ngx_null_command -}; - - -static u_char ngx_flv_header[] = "FLV\x1\x5\0\0\0\x9\0\0\0\0"; - - -static ngx_http_module_t ngx_http_flv_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_flv_module = { - NGX_MODULE_V1, - &ngx_http_flv_module_ctx, /* module context */ - ngx_http_flv_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_flv_handler(ngx_http_request_t *r) -{ - u_char *last; - off_t start, len; - size_t root; - ngx_int_t rc; - ngx_uint_t level, i; - ngx_str_t path, value; - ngx_log_t *log; - ngx_buf_t *b; - ngx_chain_t out[2]; - ngx_open_file_info_t of; - ngx_http_core_loc_conf_t *clcf; - - if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { - return NGX_HTTP_NOT_ALLOWED; - } - - if (r->uri.data[r->uri.len - 1] == '/') { - return NGX_DECLINED; - } - - rc = ngx_http_discard_request_body(r); - - if (rc != NGX_OK) { - return rc; - } - - last = ngx_http_map_uri_to_path(r, &path, &root, 0); - if (last == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - log = r->connection->log; - - path.len = last - path.data; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, - "http flv filename: \"%V\"", &path); - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - ngx_memzero(&of, sizeof(ngx_open_file_info_t)); - - of.read_ahead = clcf->read_ahead; - of.directio = clcf->directio; - of.valid = clcf->open_file_cache_valid; - of.min_uses = clcf->open_file_cache_min_uses; - of.errors = clcf->open_file_cache_errors; - of.events = clcf->open_file_cache_events; - - if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) - != NGX_OK) - { - switch (of.err) { - - case 0: - return NGX_HTTP_INTERNAL_SERVER_ERROR; - - case NGX_ENOENT: - case NGX_ENOTDIR: - case NGX_ENAMETOOLONG: - - level = NGX_LOG_ERR; - rc = NGX_HTTP_NOT_FOUND; - break; - - case NGX_EACCES: -#if (NGX_HAVE_OPENAT) - case NGX_EMLINK: - case NGX_ELOOP: -#endif - - level = NGX_LOG_ERR; - rc = NGX_HTTP_FORBIDDEN; - break; - - default: - - level = NGX_LOG_CRIT; - rc = NGX_HTTP_INTERNAL_SERVER_ERROR; - break; - } - - if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { - ngx_log_error(level, log, of.err, - "%s \"%s\" failed", of.failed, path.data); - } - - return rc; - } - - if (!of.is_file) { - - if (ngx_close_file(of.fd) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - ngx_close_file_n " \"%s\" failed", path.data); - } - - return NGX_DECLINED; - } - - r->root_tested = !r->error_page; - - start = 0; - len = of.size; - i = 1; - - if (r->args.len) { - - if (ngx_http_arg(r, (u_char *) "start", 5, &value) == NGX_OK) { - - start = ngx_atoof(value.data, value.len); - - if (start == NGX_ERROR || start >= len) { - start = 0; - } - - if (start) { - len = sizeof(ngx_flv_header) - 1 + len - start; - i = 0; - } - } - } - - log->action = "sending flv to client"; - - r->headers_out.status = NGX_HTTP_OK; - r->headers_out.content_length_n = len; - r->headers_out.last_modified_time = of.mtime; - - if (ngx_http_set_etag(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_http_set_content_type(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (i == 0) { - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - b->pos = ngx_flv_header; - b->last = ngx_flv_header + sizeof(ngx_flv_header) - 1; - b->memory = 1; - - out[0].buf = b; - out[0].next = &out[1]; - } - - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); - if (b->file == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - r->allow_ranges = 1; - - rc = ngx_http_send_header(r); - - if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { - return rc; - } - - b->file_pos = start; - b->file_last = of.size; - - b->in_file = b->file_last ? 1: 0; - b->last_buf = (r == r->main) ? 1 : 0; - b->last_in_chain = 1; - - b->file->fd = of.fd; - b->file->name = path; - b->file->log = log; - b->file->directio = of.is_directio; - - out[1].buf = b; - out[1].next = NULL; - - return ngx_http_output_filter(r, &out[i]); -} - - -static char * -ngx_http_flv(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf; - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - clcf->handler = ngx_http_flv_handler; - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_geo_module.c b/nginx/src/http/modules/ngx_http_geo_module.c deleted file mode 100644 index c11bafa..0000000 --- a/nginx/src/http/modules/ngx_http_geo_module.c +++ /dev/null @@ -1,1668 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_http_variable_value_t *value; - u_short start; - u_short end; -} ngx_http_geo_range_t; - - -typedef struct { - ngx_radix_tree_t *tree; -#if (NGX_HAVE_INET6) - ngx_radix_tree_t *tree6; -#endif -} ngx_http_geo_trees_t; - - -typedef struct { - ngx_http_geo_range_t **low; - ngx_http_variable_value_t *default_value; -} ngx_http_geo_high_ranges_t; - - -typedef struct { - ngx_str_node_t sn; - ngx_http_variable_value_t *value; - size_t offset; -} ngx_http_geo_variable_value_node_t; - - -typedef struct { - ngx_http_variable_value_t *value; - ngx_str_t *net; - ngx_http_geo_high_ranges_t high; - ngx_radix_tree_t *tree; -#if (NGX_HAVE_INET6) - ngx_radix_tree_t *tree6; -#endif - ngx_rbtree_t rbtree; - ngx_rbtree_node_t sentinel; - ngx_array_t *proxies; - ngx_pool_t *pool; - ngx_pool_t *temp_pool; - - size_t data_size; - - ngx_str_t include_name; - ngx_uint_t includes; - ngx_uint_t entries; - - unsigned ranges:1; - unsigned outside_entries:1; - unsigned allow_binary_include:1; - unsigned binary_include:1; - unsigned proxy_recursive:1; -} ngx_http_geo_conf_ctx_t; - - -typedef struct { - union { - ngx_http_geo_trees_t trees; - ngx_http_geo_high_ranges_t high; - } u; - - ngx_array_t *proxies; - unsigned proxy_recursive:1; - - ngx_int_t index; -} ngx_http_geo_ctx_t; - - -static ngx_int_t ngx_http_geo_addr(ngx_http_request_t *r, - ngx_http_geo_ctx_t *ctx, ngx_addr_t *addr); -static ngx_int_t ngx_http_geo_real_addr(ngx_http_request_t *r, - ngx_http_geo_ctx_t *ctx, ngx_addr_t *addr); -static char *ngx_http_geo_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); -static char *ngx_http_geo(ngx_conf_t *cf, ngx_command_t *dummy, void *conf); -static char *ngx_http_geo_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, - ngx_str_t *value); -static char *ngx_http_geo_add_range(ngx_conf_t *cf, - ngx_http_geo_conf_ctx_t *ctx, in_addr_t start, in_addr_t end); -static ngx_uint_t ngx_http_geo_delete_range(ngx_conf_t *cf, - ngx_http_geo_conf_ctx_t *ctx, in_addr_t start, in_addr_t end); -static char *ngx_http_geo_cidr(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, - ngx_str_t *value); -static char *ngx_http_geo_cidr_add(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, - ngx_cidr_t *cidr, ngx_str_t *value, ngx_str_t *net); -static ngx_http_variable_value_t *ngx_http_geo_value(ngx_conf_t *cf, - ngx_http_geo_conf_ctx_t *ctx, ngx_str_t *value); -static char *ngx_http_geo_add_proxy(ngx_conf_t *cf, - ngx_http_geo_conf_ctx_t *ctx, ngx_cidr_t *cidr); -static ngx_int_t ngx_http_geo_cidr_value(ngx_conf_t *cf, ngx_str_t *net, - ngx_cidr_t *cidr); -static char *ngx_http_geo_include(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, - ngx_str_t *name); -static ngx_int_t ngx_http_geo_include_binary_base(ngx_conf_t *cf, - ngx_http_geo_conf_ctx_t *ctx, ngx_str_t *name); -static void ngx_http_geo_create_binary_base(ngx_http_geo_conf_ctx_t *ctx); -static u_char *ngx_http_geo_copy_values(u_char *base, u_char *p, - ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); - - -static ngx_command_t ngx_http_geo_commands[] = { - - { ngx_string("geo"), - NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE12, - ngx_http_geo_block, - NGX_HTTP_MAIN_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_geo_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_geo_module = { - NGX_MODULE_V1, - &ngx_http_geo_module_ctx, /* module context */ - ngx_http_geo_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -typedef struct { - u_char GEORNG[6]; - u_char version; - u_char ptr_size; - uint32_t endianness; - uint32_t crc32; -} ngx_http_geo_header_t; - - -static ngx_http_geo_header_t ngx_http_geo_header = { - { 'G', 'E', 'O', 'R', 'N', 'G' }, 0, sizeof(void *), 0x12345678, 0 -}; - - -/* geo range is AF_INET only */ - -static ngx_int_t -ngx_http_geo_cidr_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - ngx_http_geo_ctx_t *ctx = (ngx_http_geo_ctx_t *) data; - - in_addr_t inaddr; - ngx_addr_t addr; - struct sockaddr_in *sin; - ngx_http_variable_value_t *vv; -#if (NGX_HAVE_INET6) - u_char *p; - struct in6_addr *inaddr6; -#endif - - if (ngx_http_geo_addr(r, ctx, &addr) != NGX_OK) { - vv = (ngx_http_variable_value_t *) - ngx_radix32tree_find(ctx->u.trees.tree, INADDR_NONE); - goto done; - } - - switch (addr.sockaddr->sa_family) { - -#if (NGX_HAVE_INET6) - case AF_INET6: - inaddr6 = &((struct sockaddr_in6 *) addr.sockaddr)->sin6_addr; - p = inaddr6->s6_addr; - - if (IN6_IS_ADDR_V4MAPPED(inaddr6)) { - inaddr = p[12] << 24; - inaddr += p[13] << 16; - inaddr += p[14] << 8; - inaddr += p[15]; - - vv = (ngx_http_variable_value_t *) - ngx_radix32tree_find(ctx->u.trees.tree, inaddr); - - } else { - vv = (ngx_http_variable_value_t *) - ngx_radix128tree_find(ctx->u.trees.tree6, p); - } - - break; -#endif - - default: /* AF_INET */ - sin = (struct sockaddr_in *) addr.sockaddr; - inaddr = ntohl(sin->sin_addr.s_addr); - - vv = (ngx_http_variable_value_t *) - ngx_radix32tree_find(ctx->u.trees.tree, inaddr); - - break; - } - -done: - - *v = *vv; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http geo: %v", v); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_geo_range_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - ngx_http_geo_ctx_t *ctx = (ngx_http_geo_ctx_t *) data; - - in_addr_t inaddr; - ngx_addr_t addr; - ngx_uint_t n; - struct sockaddr_in *sin; - ngx_http_geo_range_t *range; -#if (NGX_HAVE_INET6) - u_char *p; - struct in6_addr *inaddr6; -#endif - - *v = *ctx->u.high.default_value; - - if (ngx_http_geo_addr(r, ctx, &addr) == NGX_OK) { - - switch (addr.sockaddr->sa_family) { - -#if (NGX_HAVE_INET6) - case AF_INET6: - inaddr6 = &((struct sockaddr_in6 *) addr.sockaddr)->sin6_addr; - - if (IN6_IS_ADDR_V4MAPPED(inaddr6)) { - p = inaddr6->s6_addr; - - inaddr = p[12] << 24; - inaddr += p[13] << 16; - inaddr += p[14] << 8; - inaddr += p[15]; - - } else { - inaddr = INADDR_NONE; - } - - break; -#endif - - default: /* AF_INET */ - sin = (struct sockaddr_in *) addr.sockaddr; - inaddr = ntohl(sin->sin_addr.s_addr); - break; - } - - } else { - inaddr = INADDR_NONE; - } - - if (ctx->u.high.low) { - range = ctx->u.high.low[inaddr >> 16]; - - if (range) { - n = inaddr & 0xffff; - do { - if (n >= (ngx_uint_t) range->start - && n <= (ngx_uint_t) range->end) - { - *v = *range->value; - break; - } - } while ((++range)->value); - } - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http geo: %v", v); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_geo_addr(ngx_http_request_t *r, ngx_http_geo_ctx_t *ctx, - ngx_addr_t *addr) -{ - ngx_array_t *xfwd; - - if (ngx_http_geo_real_addr(r, ctx, addr) != NGX_OK) { - return NGX_ERROR; - } - - xfwd = &r->headers_in.x_forwarded_for; - - if (xfwd->nelts > 0 && ctx->proxies != NULL) { - (void) ngx_http_get_forwarded_addr(r, addr, xfwd, NULL, - ctx->proxies, ctx->proxy_recursive); - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_geo_real_addr(ngx_http_request_t *r, ngx_http_geo_ctx_t *ctx, - ngx_addr_t *addr) -{ - ngx_http_variable_value_t *v; - - if (ctx->index == -1) { - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http geo started: %V", &r->connection->addr_text); - - addr->sockaddr = r->connection->sockaddr; - addr->socklen = r->connection->socklen; - /* addr->name = r->connection->addr_text; */ - - return NGX_OK; - } - - v = ngx_http_get_flushed_variable(r, ctx->index); - - if (v == NULL || v->not_found) { - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http geo not found"); - - return NGX_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http geo started: %v", v); - - if (ngx_parse_addr(r->pool, addr, v->data, v->len) == NGX_OK) { - return NGX_OK; - } - - return NGX_ERROR; -} - - -static char * -ngx_http_geo_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - char *rv; - size_t len; - ngx_str_t *value, name; - ngx_uint_t i; - ngx_conf_t save; - ngx_pool_t *pool; - ngx_array_t *a; - ngx_http_variable_t *var; - ngx_http_geo_ctx_t *geo; - ngx_http_geo_conf_ctx_t ctx; -#if (NGX_HAVE_INET6) - static struct in6_addr zero; -#endif - - value = cf->args->elts; - - geo = ngx_palloc(cf->pool, sizeof(ngx_http_geo_ctx_t)); - if (geo == NULL) { - return NGX_CONF_ERROR; - } - - name = value[1]; - - if (name.data[0] != '$') { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid variable name \"%V\"", &name); - return NGX_CONF_ERROR; - } - - name.len--; - name.data++; - - if (cf->args->nelts == 3) { - - geo->index = ngx_http_get_variable_index(cf, &name); - if (geo->index == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - name = value[2]; - - if (name.data[0] != '$') { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid variable name \"%V\"", &name); - return NGX_CONF_ERROR; - } - - name.len--; - name.data++; - - } else { - geo->index = -1; - } - - var = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); - if (var == NULL) { - return NGX_CONF_ERROR; - } - - pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, cf->log); - if (pool == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(&ctx, sizeof(ngx_http_geo_conf_ctx_t)); - - ctx.temp_pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, cf->log); - if (ctx.temp_pool == NULL) { - ngx_destroy_pool(pool); - return NGX_CONF_ERROR; - } - - ngx_rbtree_init(&ctx.rbtree, &ctx.sentinel, ngx_str_rbtree_insert_value); - - ctx.pool = cf->pool; - ctx.data_size = sizeof(ngx_http_geo_header_t) - + sizeof(ngx_http_variable_value_t) - + 0x10000 * sizeof(ngx_http_geo_range_t *); - ctx.allow_binary_include = 1; - - save = *cf; - cf->pool = pool; - cf->ctx = &ctx; - cf->handler = ngx_http_geo; - cf->handler_conf = conf; - - rv = ngx_conf_parse(cf, NULL); - - *cf = save; - - if (rv != NGX_CONF_OK) { - goto failed; - } - - geo->proxies = ctx.proxies; - geo->proxy_recursive = ctx.proxy_recursive; - - if (ctx.ranges) { - - if (ctx.high.low && !ctx.binary_include) { - for (i = 0; i < 0x10000; i++) { - a = (ngx_array_t *) ctx.high.low[i]; - - if (a == NULL) { - continue; - } - - if (a->nelts == 0) { - ctx.high.low[i] = NULL; - continue; - } - - len = a->nelts * sizeof(ngx_http_geo_range_t); - - ctx.high.low[i] = ngx_palloc(cf->pool, len + sizeof(void *)); - if (ctx.high.low[i] == NULL) { - goto failed; - } - - ngx_memcpy(ctx.high.low[i], a->elts, len); - ctx.high.low[i][a->nelts].value = NULL; - ctx.data_size += len + sizeof(void *); - } - - if (ctx.allow_binary_include - && !ctx.outside_entries - && ctx.entries > 100000 - && ctx.includes == 1) - { - ngx_http_geo_create_binary_base(&ctx); - } - } - - if (ctx.high.default_value == NULL) { - ctx.high.default_value = &ngx_http_variable_null_value; - } - - geo->u.high = ctx.high; - - var->get_handler = ngx_http_geo_range_variable; - var->data = (uintptr_t) geo; - - } else { - if (ctx.tree == NULL) { - ctx.tree = ngx_radix_tree_create(cf->pool, -1); - if (ctx.tree == NULL) { - goto failed; - } - } - - geo->u.trees.tree = ctx.tree; - -#if (NGX_HAVE_INET6) - if (ctx.tree6 == NULL) { - ctx.tree6 = ngx_radix_tree_create(cf->pool, -1); - if (ctx.tree6 == NULL) { - goto failed; - } - } - - geo->u.trees.tree6 = ctx.tree6; -#endif - - var->get_handler = ngx_http_geo_cidr_variable; - var->data = (uintptr_t) geo; - - if (ngx_radix32tree_insert(ctx.tree, 0, 0, - (uintptr_t) &ngx_http_variable_null_value) - == NGX_ERROR) - { - goto failed; - } - - /* NGX_BUSY is okay (default was set explicitly) */ - -#if (NGX_HAVE_INET6) - if (ngx_radix128tree_insert(ctx.tree6, zero.s6_addr, zero.s6_addr, - (uintptr_t) &ngx_http_variable_null_value) - == NGX_ERROR) - { - goto failed; - } -#endif - } - - ngx_destroy_pool(ctx.temp_pool); - ngx_destroy_pool(pool); - - return NGX_CONF_OK; - -failed: - - ngx_destroy_pool(ctx.temp_pool); - ngx_destroy_pool(pool); - - return NGX_CONF_ERROR; -} - - -static char * -ngx_http_geo(ngx_conf_t *cf, ngx_command_t *dummy, void *conf) -{ - char *rv; - ngx_str_t *value; - ngx_cidr_t cidr; - ngx_http_geo_conf_ctx_t *ctx; - - ctx = cf->ctx; - - value = cf->args->elts; - - if (cf->args->nelts == 1) { - - if (ngx_strcmp(value[0].data, "ranges") == 0) { - - if (ctx->tree -#if (NGX_HAVE_INET6) - || ctx->tree6 -#endif - ) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the \"ranges\" directive must be " - "the first directive inside \"geo\" block"); - goto failed; - } - - ctx->ranges = 1; - - rv = NGX_CONF_OK; - - goto done; - } - - else if (ngx_strcmp(value[0].data, "proxy_recursive") == 0) { - ctx->proxy_recursive = 1; - rv = NGX_CONF_OK; - goto done; - } - } - - if (cf->args->nelts != 2) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid number of the geo parameters"); - goto failed; - } - - if (ngx_strcmp(value[0].data, "include") == 0) { - - rv = ngx_http_geo_include(cf, ctx, &value[1]); - - goto done; - - } else if (ngx_strcmp(value[0].data, "proxy") == 0) { - - if (ngx_http_geo_cidr_value(cf, &value[1], &cidr) != NGX_OK) { - goto failed; - } - - rv = ngx_http_geo_add_proxy(cf, ctx, &cidr); - - goto done; - } - - if (ctx->ranges) { - rv = ngx_http_geo_range(cf, ctx, value); - - } else { - rv = ngx_http_geo_cidr(cf, ctx, value); - } - -done: - - ngx_reset_pool(cf->pool); - - return rv; - -failed: - - ngx_reset_pool(cf->pool); - - return NGX_CONF_ERROR; -} - - -static char * -ngx_http_geo_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, - ngx_str_t *value) -{ - u_char *p, *last; - in_addr_t start, end; - ngx_str_t *net; - ngx_uint_t del; - - if (ngx_strcmp(value[0].data, "default") == 0) { - - if (ctx->high.default_value) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "duplicate default geo range value: \"%V\", old value: \"%v\"", - &value[1], ctx->high.default_value); - } - - ctx->high.default_value = ngx_http_geo_value(cf, ctx, &value[1]); - if (ctx->high.default_value == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; - } - - if (ctx->binary_include) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "binary geo range base \"%s\" cannot be mixed with usual entries", - ctx->include_name.data); - return NGX_CONF_ERROR; - } - - if (ctx->high.low == NULL) { - ctx->high.low = ngx_pcalloc(ctx->pool, - 0x10000 * sizeof(ngx_http_geo_range_t *)); - if (ctx->high.low == NULL) { - return NGX_CONF_ERROR; - } - } - - ctx->entries++; - ctx->outside_entries = 1; - - if (ngx_strcmp(value[0].data, "delete") == 0) { - net = &value[1]; - del = 1; - - } else { - net = &value[0]; - del = 0; - } - - last = net->data + net->len; - - p = ngx_strlchr(net->data, last, '-'); - - if (p == NULL) { - goto invalid; - } - - start = ngx_inet_addr(net->data, p - net->data); - - if (start == INADDR_NONE) { - goto invalid; - } - - start = ntohl(start); - - p++; - - end = ngx_inet_addr(p, last - p); - - if (end == INADDR_NONE) { - goto invalid; - } - - end = ntohl(end); - - if (start > end) { - goto invalid; - } - - if (del) { - if (ngx_http_geo_delete_range(cf, ctx, start, end)) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "no address range \"%V\" to delete", net); - } - - return NGX_CONF_OK; - } - - ctx->value = ngx_http_geo_value(cf, ctx, &value[1]); - - if (ctx->value == NULL) { - return NGX_CONF_ERROR; - } - - ctx->net = net; - - return ngx_http_geo_add_range(cf, ctx, start, end); - -invalid: - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid range \"%V\"", net); - - return NGX_CONF_ERROR; -} - - -/* the add procedure is optimized to add a growing up sequence */ - -static char * -ngx_http_geo_add_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, - in_addr_t start, in_addr_t end) -{ - in_addr_t n; - ngx_uint_t h, i, s, e; - ngx_array_t *a; - ngx_http_geo_range_t *range; - - for (n = start; n <= end; n = (n + 0x10000) & 0xffff0000) { - - h = n >> 16; - - if (n == start) { - s = n & 0xffff; - } else { - s = 0; - } - - if ((n | 0xffff) > end) { - e = end & 0xffff; - - } else { - e = 0xffff; - } - - a = (ngx_array_t *) ctx->high.low[h]; - - if (a == NULL) { - a = ngx_array_create(ctx->temp_pool, 64, - sizeof(ngx_http_geo_range_t)); - if (a == NULL) { - return NGX_CONF_ERROR; - } - - ctx->high.low[h] = (ngx_http_geo_range_t *) a; - } - - i = a->nelts; - range = a->elts; - - while (i) { - - i--; - - if (e < (ngx_uint_t) range[i].start) { - continue; - } - - if (s > (ngx_uint_t) range[i].end) { - - /* add after the range */ - - range = ngx_array_push(a); - if (range == NULL) { - return NGX_CONF_ERROR; - } - - range = a->elts; - - ngx_memmove(&range[i + 2], &range[i + 1], - (a->nelts - 2 - i) * sizeof(ngx_http_geo_range_t)); - - range[i + 1].start = (u_short) s; - range[i + 1].end = (u_short) e; - range[i + 1].value = ctx->value; - - goto next; - } - - if (s == (ngx_uint_t) range[i].start - && e == (ngx_uint_t) range[i].end) - { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "duplicate range \"%V\", value: \"%v\", old value: \"%v\"", - ctx->net, ctx->value, range[i].value); - - range[i].value = ctx->value; - - goto next; - } - - if (s > (ngx_uint_t) range[i].start - && e < (ngx_uint_t) range[i].end) - { - /* split the range and insert the new one */ - - range = ngx_array_push(a); - if (range == NULL) { - return NGX_CONF_ERROR; - } - - range = ngx_array_push(a); - if (range == NULL) { - return NGX_CONF_ERROR; - } - - range = a->elts; - - ngx_memmove(&range[i + 3], &range[i + 1], - (a->nelts - 3 - i) * sizeof(ngx_http_geo_range_t)); - - range[i + 2].start = (u_short) (e + 1); - range[i + 2].end = range[i].end; - range[i + 2].value = range[i].value; - - range[i + 1].start = (u_short) s; - range[i + 1].end = (u_short) e; - range[i + 1].value = ctx->value; - - range[i].end = (u_short) (s - 1); - - goto next; - } - - if (s == (ngx_uint_t) range[i].start - && e < (ngx_uint_t) range[i].end) - { - /* shift the range start and insert the new range */ - - range = ngx_array_push(a); - if (range == NULL) { - return NGX_CONF_ERROR; - } - - range = a->elts; - - ngx_memmove(&range[i + 1], &range[i], - (a->nelts - 1 - i) * sizeof(ngx_http_geo_range_t)); - - range[i + 1].start = (u_short) (e + 1); - - range[i].start = (u_short) s; - range[i].end = (u_short) e; - range[i].value = ctx->value; - - goto next; - } - - if (s > (ngx_uint_t) range[i].start - && e == (ngx_uint_t) range[i].end) - { - /* shift the range end and insert the new range */ - - range = ngx_array_push(a); - if (range == NULL) { - return NGX_CONF_ERROR; - } - - range = a->elts; - - ngx_memmove(&range[i + 2], &range[i + 1], - (a->nelts - 2 - i) * sizeof(ngx_http_geo_range_t)); - - range[i + 1].start = (u_short) s; - range[i + 1].end = (u_short) e; - range[i + 1].value = ctx->value; - - range[i].end = (u_short) (s - 1); - - goto next; - } - - s = (ngx_uint_t) range[i].start; - e = (ngx_uint_t) range[i].end; - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "range \"%V\" overlaps \"%d.%d.%d.%d-%d.%d.%d.%d\"", - ctx->net, - h >> 8, h & 0xff, s >> 8, s & 0xff, - h >> 8, h & 0xff, e >> 8, e & 0xff); - - return NGX_CONF_ERROR; - } - - /* add the first range */ - - range = ngx_array_push(a); - if (range == NULL) { - return NGX_CONF_ERROR; - } - - range = a->elts; - - ngx_memmove(&range[1], &range[0], - (a->nelts - 1) * sizeof(ngx_http_geo_range_t)); - - range[0].start = (u_short) s; - range[0].end = (u_short) e; - range[0].value = ctx->value; - - next: - - if (h == 0xffff) { - break; - } - } - - return NGX_CONF_OK; -} - - -static ngx_uint_t -ngx_http_geo_delete_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, - in_addr_t start, in_addr_t end) -{ - in_addr_t n; - ngx_uint_t h, i, s, e, warn; - ngx_array_t *a; - ngx_http_geo_range_t *range; - - warn = 0; - - for (n = start; n <= end; n = (n + 0x10000) & 0xffff0000) { - - h = n >> 16; - - if (n == start) { - s = n & 0xffff; - } else { - s = 0; - } - - if ((n | 0xffff) > end) { - e = end & 0xffff; - - } else { - e = 0xffff; - } - - a = (ngx_array_t *) ctx->high.low[h]; - - if (a == NULL || a->nelts == 0) { - warn = 1; - goto next; - } - - range = a->elts; - for (i = 0; i < a->nelts; i++) { - - if (s == (ngx_uint_t) range[i].start - && e == (ngx_uint_t) range[i].end) - { - ngx_memmove(&range[i], &range[i + 1], - (a->nelts - 1 - i) * sizeof(ngx_http_geo_range_t)); - - a->nelts--; - - break; - } - - if (i == a->nelts - 1) { - warn = 1; - } - } - - next: - - if (h == 0xffff) { - break; - } - } - - return warn; -} - - -static char * -ngx_http_geo_cidr(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, - ngx_str_t *value) -{ - char *rv; - ngx_int_t rc, del; - ngx_str_t *net; - ngx_cidr_t cidr; - - if (ctx->tree == NULL) { - ctx->tree = ngx_radix_tree_create(ctx->pool, -1); - if (ctx->tree == NULL) { - return NGX_CONF_ERROR; - } - } - -#if (NGX_HAVE_INET6) - if (ctx->tree6 == NULL) { - ctx->tree6 = ngx_radix_tree_create(ctx->pool, -1); - if (ctx->tree6 == NULL) { - return NGX_CONF_ERROR; - } - } -#endif - - if (ngx_strcmp(value[0].data, "default") == 0) { - cidr.family = AF_INET; - cidr.u.in.addr = 0; - cidr.u.in.mask = 0; - - rv = ngx_http_geo_cidr_add(cf, ctx, &cidr, &value[1], &value[0]); - - if (rv != NGX_CONF_OK) { - return rv; - } - -#if (NGX_HAVE_INET6) - cidr.family = AF_INET6; - ngx_memzero(&cidr.u.in6, sizeof(ngx_in6_cidr_t)); - - rv = ngx_http_geo_cidr_add(cf, ctx, &cidr, &value[1], &value[0]); - - if (rv != NGX_CONF_OK) { - return rv; - } -#endif - - return NGX_CONF_OK; - } - - if (ngx_strcmp(value[0].data, "delete") == 0) { - net = &value[1]; - del = 1; - - } else { - net = &value[0]; - del = 0; - } - - if (ngx_http_geo_cidr_value(cf, net, &cidr) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cidr.family == AF_INET) { - cidr.u.in.addr = ntohl(cidr.u.in.addr); - cidr.u.in.mask = ntohl(cidr.u.in.mask); - } - - if (del) { - switch (cidr.family) { - -#if (NGX_HAVE_INET6) - case AF_INET6: - rc = ngx_radix128tree_delete(ctx->tree6, - cidr.u.in6.addr.s6_addr, - cidr.u.in6.mask.s6_addr); - break; -#endif - - default: /* AF_INET */ - rc = ngx_radix32tree_delete(ctx->tree, cidr.u.in.addr, - cidr.u.in.mask); - break; - } - - if (rc != NGX_OK) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "no network \"%V\" to delete", net); - } - - return NGX_CONF_OK; - } - - return ngx_http_geo_cidr_add(cf, ctx, &cidr, &value[1], net); -} - - -static char * -ngx_http_geo_cidr_add(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, - ngx_cidr_t *cidr, ngx_str_t *value, ngx_str_t *net) -{ - ngx_int_t rc; - ngx_http_variable_value_t *val, *old; - - val = ngx_http_geo_value(cf, ctx, value); - - if (val == NULL) { - return NGX_CONF_ERROR; - } - - switch (cidr->family) { - -#if (NGX_HAVE_INET6) - case AF_INET6: - rc = ngx_radix128tree_insert(ctx->tree6, cidr->u.in6.addr.s6_addr, - cidr->u.in6.mask.s6_addr, - (uintptr_t) val); - - if (rc == NGX_OK) { - return NGX_CONF_OK; - } - - if (rc == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - /* rc == NGX_BUSY */ - - old = (ngx_http_variable_value_t *) - ngx_radix128tree_find(ctx->tree6, - cidr->u.in6.addr.s6_addr); - - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "duplicate network \"%V\", value: \"%v\", old value: \"%v\"", - net, val, old); - - rc = ngx_radix128tree_delete(ctx->tree6, - cidr->u.in6.addr.s6_addr, - cidr->u.in6.mask.s6_addr); - - if (rc == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid radix tree"); - return NGX_CONF_ERROR; - } - - rc = ngx_radix128tree_insert(ctx->tree6, cidr->u.in6.addr.s6_addr, - cidr->u.in6.mask.s6_addr, - (uintptr_t) val); - - break; -#endif - - default: /* AF_INET */ - rc = ngx_radix32tree_insert(ctx->tree, cidr->u.in.addr, - cidr->u.in.mask, (uintptr_t) val); - - if (rc == NGX_OK) { - return NGX_CONF_OK; - } - - if (rc == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - /* rc == NGX_BUSY */ - - old = (ngx_http_variable_value_t *) - ngx_radix32tree_find(ctx->tree, cidr->u.in.addr); - - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "duplicate network \"%V\", value: \"%v\", old value: \"%v\"", - net, val, old); - - rc = ngx_radix32tree_delete(ctx->tree, - cidr->u.in.addr, cidr->u.in.mask); - - if (rc == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid radix tree"); - return NGX_CONF_ERROR; - } - - rc = ngx_radix32tree_insert(ctx->tree, cidr->u.in.addr, - cidr->u.in.mask, (uintptr_t) val); - - break; - } - - if (rc == NGX_OK) { - return NGX_CONF_OK; - } - - return NGX_CONF_ERROR; -} - - -static ngx_http_variable_value_t * -ngx_http_geo_value(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, - ngx_str_t *value) -{ - uint32_t hash; - ngx_http_variable_value_t *val; - ngx_http_geo_variable_value_node_t *gvvn; - - hash = ngx_crc32_long(value->data, value->len); - - gvvn = (ngx_http_geo_variable_value_node_t *) - ngx_str_rbtree_lookup(&ctx->rbtree, value, hash); - - if (gvvn) { - return gvvn->value; - } - - val = ngx_palloc(ctx->pool, sizeof(ngx_http_variable_value_t)); - if (val == NULL) { - return NULL; - } - - val->len = value->len; - val->data = ngx_pstrdup(ctx->pool, value); - if (val->data == NULL) { - return NULL; - } - - val->valid = 1; - val->no_cacheable = 0; - val->not_found = 0; - - gvvn = ngx_palloc(ctx->temp_pool, - sizeof(ngx_http_geo_variable_value_node_t)); - if (gvvn == NULL) { - return NULL; - } - - gvvn->sn.node.key = hash; - gvvn->sn.str.len = val->len; - gvvn->sn.str.data = val->data; - gvvn->value = val; - gvvn->offset = 0; - - ngx_rbtree_insert(&ctx->rbtree, &gvvn->sn.node); - - ctx->data_size += ngx_align(sizeof(ngx_http_variable_value_t) + value->len, - sizeof(void *)); - - return val; -} - - -static char * -ngx_http_geo_add_proxy(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, - ngx_cidr_t *cidr) -{ - ngx_cidr_t *c; - - if (ctx->proxies == NULL) { - ctx->proxies = ngx_array_create(ctx->pool, 4, sizeof(ngx_cidr_t)); - if (ctx->proxies == NULL) { - return NGX_CONF_ERROR; - } - } - - c = ngx_array_push(ctx->proxies); - if (c == NULL) { - return NGX_CONF_ERROR; - } - - *c = *cidr; - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_geo_cidr_value(ngx_conf_t *cf, ngx_str_t *net, ngx_cidr_t *cidr) -{ - ngx_int_t rc; - - if (ngx_strcmp(net->data, "255.255.255.255") == 0) { - cidr->family = AF_INET; - cidr->u.in.addr = 0xffffffff; - cidr->u.in.mask = 0xffffffff; - - return NGX_OK; - } - - rc = ngx_ptocidr(net, cidr); - - if (rc == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid network \"%V\"", net); - return NGX_ERROR; - } - - if (rc == NGX_DONE) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "low address bits of %V are meaningless", net); - } - - return NGX_OK; -} - - -static char * -ngx_http_geo_include(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, - ngx_str_t *name) -{ - char *rv; - ngx_str_t file; - - file.len = name->len + 4; - file.data = ngx_pnalloc(ctx->temp_pool, name->len + 5); - if (file.data == NULL) { - return NGX_CONF_ERROR; - } - - ngx_sprintf(file.data, "%V.bin%Z", name); - - if (ngx_conf_full_name(cf->cycle, &file, 1) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (ctx->ranges) { - ngx_log_debug1(NGX_LOG_DEBUG_CORE, cf->log, 0, "include %s", file.data); - - switch (ngx_http_geo_include_binary_base(cf, ctx, &file)) { - case NGX_OK: - return NGX_CONF_OK; - case NGX_ERROR: - return NGX_CONF_ERROR; - default: - break; - } - } - - file.len -= 4; - file.data[file.len] = '\0'; - - ctx->include_name = file; - - if (ctx->outside_entries) { - ctx->allow_binary_include = 0; - } - - ngx_log_debug1(NGX_LOG_DEBUG_CORE, cf->log, 0, "include %s", file.data); - - rv = ngx_conf_parse(cf, &file); - - ctx->includes++; - ctx->outside_entries = 0; - - return rv; -} - - -static ngx_int_t -ngx_http_geo_include_binary_base(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, - ngx_str_t *name) -{ - u_char *base, ch; - time_t mtime; - size_t size, len; - ssize_t n; - uint32_t crc32; - ngx_err_t err; - ngx_int_t rc; - ngx_uint_t i; - ngx_file_t file; - ngx_file_info_t fi; - ngx_http_geo_range_t *range, **ranges; - ngx_http_geo_header_t *header; - ngx_http_variable_value_t *vv; - - ngx_memzero(&file, sizeof(ngx_file_t)); - file.name = *name; - file.log = cf->log; - - file.fd = ngx_open_file(name->data, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0); - - if (file.fd == NGX_INVALID_FILE) { - err = ngx_errno; - if (err != NGX_ENOENT) { - ngx_conf_log_error(NGX_LOG_CRIT, cf, err, - ngx_open_file_n " \"%s\" failed", name->data); - } - return NGX_DECLINED; - } - - if (ctx->outside_entries) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "binary geo range base \"%s\" cannot be mixed with usual entries", - name->data); - rc = NGX_ERROR; - goto done; - } - - if (ctx->binary_include) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "second binary geo range base \"%s\" cannot be mixed with \"%s\"", - name->data, ctx->include_name.data); - rc = NGX_ERROR; - goto done; - } - - if (ngx_fd_info(file.fd, &fi) == NGX_FILE_ERROR) { - ngx_conf_log_error(NGX_LOG_CRIT, cf, ngx_errno, - ngx_fd_info_n " \"%s\" failed", name->data); - goto failed; - } - - size = (size_t) ngx_file_size(&fi); - mtime = ngx_file_mtime(&fi); - - ch = name->data[name->len - 4]; - name->data[name->len - 4] = '\0'; - - if (ngx_file_info(name->data, &fi) == NGX_FILE_ERROR) { - ngx_conf_log_error(NGX_LOG_CRIT, cf, ngx_errno, - ngx_file_info_n " \"%s\" failed", name->data); - goto failed; - } - - name->data[name->len - 4] = ch; - - if (mtime < ngx_file_mtime(&fi)) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "stale binary geo range base \"%s\"", name->data); - goto failed; - } - - base = ngx_palloc(ctx->pool, size); - if (base == NULL) { - goto failed; - } - - n = ngx_read_file(&file, base, size, 0); - - if (n == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_CRIT, cf, ngx_errno, - ngx_read_file_n " \"%s\" failed", name->data); - goto failed; - } - - if ((size_t) n != size) { - ngx_conf_log_error(NGX_LOG_CRIT, cf, 0, - ngx_read_file_n " \"%s\" returned only %z bytes instead of %z", - name->data, n, size); - goto failed; - } - - header = (ngx_http_geo_header_t *) base; - - if (size < 16 || ngx_memcmp(&ngx_http_geo_header, header, 12) != 0) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "incompatible binary geo range base \"%s\"", name->data); - goto failed; - } - - ngx_crc32_init(crc32); - - vv = (ngx_http_variable_value_t *) (base + sizeof(ngx_http_geo_header_t)); - - while (vv->data) { - len = ngx_align(sizeof(ngx_http_variable_value_t) + vv->len, - sizeof(void *)); - ngx_crc32_update(&crc32, (u_char *) vv, len); - vv->data += (size_t) base; - vv = (ngx_http_variable_value_t *) ((u_char *) vv + len); - } - ngx_crc32_update(&crc32, (u_char *) vv, sizeof(ngx_http_variable_value_t)); - vv++; - - ranges = (ngx_http_geo_range_t **) vv; - - for (i = 0; i < 0x10000; i++) { - ngx_crc32_update(&crc32, (u_char *) &ranges[i], sizeof(void *)); - if (ranges[i]) { - ranges[i] = (ngx_http_geo_range_t *) - ((u_char *) ranges[i] + (size_t) base); - } - } - - range = (ngx_http_geo_range_t *) &ranges[0x10000]; - - while ((u_char *) range < base + size) { - while (range->value) { - ngx_crc32_update(&crc32, (u_char *) range, - sizeof(ngx_http_geo_range_t)); - range->value = (ngx_http_variable_value_t *) - ((u_char *) range->value + (size_t) base); - range++; - } - ngx_crc32_update(&crc32, (u_char *) range, sizeof(void *)); - range = (ngx_http_geo_range_t *) ((u_char *) range + sizeof(void *)); - } - - ngx_crc32_final(crc32); - - if (crc32 != header->crc32) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "CRC32 mismatch in binary geo range base \"%s\"", name->data); - goto failed; - } - - ngx_conf_log_error(NGX_LOG_NOTICE, cf, 0, - "using binary geo range base \"%s\"", name->data); - - ctx->include_name = *name; - ctx->binary_include = 1; - ctx->high.low = ranges; - rc = NGX_OK; - - goto done; - -failed: - - rc = NGX_DECLINED; - -done: - - if (ngx_close_file(file.fd) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno, - ngx_close_file_n " \"%s\" failed", name->data); - } - - return rc; -} - - -static void -ngx_http_geo_create_binary_base(ngx_http_geo_conf_ctx_t *ctx) -{ - u_char *p; - uint32_t hash; - ngx_str_t s; - ngx_uint_t i; - ngx_file_mapping_t fm; - ngx_http_geo_range_t *r, *range, **ranges; - ngx_http_geo_header_t *header; - ngx_http_geo_variable_value_node_t *gvvn; - - fm.name = ngx_pnalloc(ctx->temp_pool, ctx->include_name.len + 5); - if (fm.name == NULL) { - return; - } - - ngx_sprintf(fm.name, "%V.bin%Z", &ctx->include_name); - - fm.size = ctx->data_size; - fm.log = ctx->pool->log; - - ngx_log_error(NGX_LOG_NOTICE, fm.log, 0, - "creating binary geo range base \"%s\"", fm.name); - - if (ngx_create_file_mapping(&fm) != NGX_OK) { - return; - } - - p = ngx_cpymem(fm.addr, &ngx_http_geo_header, - sizeof(ngx_http_geo_header_t)); - - p = ngx_http_geo_copy_values(fm.addr, p, ctx->rbtree.root, - ctx->rbtree.sentinel); - - p += sizeof(ngx_http_variable_value_t); - - ranges = (ngx_http_geo_range_t **) p; - - p += 0x10000 * sizeof(ngx_http_geo_range_t *); - - for (i = 0; i < 0x10000; i++) { - r = ctx->high.low[i]; - if (r == NULL) { - continue; - } - - range = (ngx_http_geo_range_t *) p; - ranges[i] = (ngx_http_geo_range_t *) (p - (u_char *) fm.addr); - - do { - s.len = r->value->len; - s.data = r->value->data; - hash = ngx_crc32_long(s.data, s.len); - gvvn = (ngx_http_geo_variable_value_node_t *) - ngx_str_rbtree_lookup(&ctx->rbtree, &s, hash); - - range->value = (ngx_http_variable_value_t *) gvvn->offset; - range->start = r->start; - range->end = r->end; - range++; - - } while ((++r)->value); - - range->value = NULL; - - p = (u_char *) range + sizeof(void *); - } - - header = fm.addr; - header->crc32 = ngx_crc32_long((u_char *) fm.addr - + sizeof(ngx_http_geo_header_t), - fm.size - sizeof(ngx_http_geo_header_t)); - - ngx_close_file_mapping(&fm); -} - - -static u_char * -ngx_http_geo_copy_values(u_char *base, u_char *p, ngx_rbtree_node_t *node, - ngx_rbtree_node_t *sentinel) -{ - ngx_http_variable_value_t *vv; - ngx_http_geo_variable_value_node_t *gvvn; - - if (node == sentinel) { - return p; - } - - gvvn = (ngx_http_geo_variable_value_node_t *) node; - gvvn->offset = p - base; - - vv = (ngx_http_variable_value_t *) p; - *vv = *gvvn->value; - p += sizeof(ngx_http_variable_value_t); - vv->data = (u_char *) (p - base); - - p = ngx_cpymem(p, gvvn->sn.str.data, gvvn->sn.str.len); - - p = ngx_align_ptr(p, sizeof(void *)); - - p = ngx_http_geo_copy_values(base, p, node->left, sentinel); - - return ngx_http_geo_copy_values(base, p, node->right, sentinel); -} diff --git a/nginx/src/http/modules/ngx_http_geoip_module.c b/nginx/src/http/modules/ngx_http_geoip_module.c deleted file mode 100644 index 5ea4f5f..0000000 --- a/nginx/src/http/modules/ngx_http_geoip_module.c +++ /dev/null @@ -1,925 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - -#include <GeoIP.h> -#include <GeoIPCity.h> - - -#define NGX_GEOIP_COUNTRY_CODE 0 -#define NGX_GEOIP_COUNTRY_CODE3 1 -#define NGX_GEOIP_COUNTRY_NAME 2 - - -typedef struct { - GeoIP *country; - GeoIP *org; - GeoIP *city; - ngx_array_t *proxies; /* array of ngx_cidr_t */ - ngx_flag_t proxy_recursive; -#if (NGX_HAVE_GEOIP_V6) - unsigned country_v6:1; - unsigned org_v6:1; - unsigned city_v6:1; -#endif -} ngx_http_geoip_conf_t; - - -typedef struct { - ngx_str_t *name; - uintptr_t data; -} ngx_http_geoip_var_t; - - -typedef const char *(*ngx_http_geoip_variable_handler_pt)(GeoIP *, - u_long addr); - - -ngx_http_geoip_variable_handler_pt ngx_http_geoip_country_functions[] = { - GeoIP_country_code_by_ipnum, - GeoIP_country_code3_by_ipnum, - GeoIP_country_name_by_ipnum, -}; - - -#if (NGX_HAVE_GEOIP_V6) - -typedef const char *(*ngx_http_geoip_variable_handler_v6_pt)(GeoIP *, - geoipv6_t addr); - - -ngx_http_geoip_variable_handler_v6_pt ngx_http_geoip_country_v6_functions[] = { - GeoIP_country_code_by_ipnum_v6, - GeoIP_country_code3_by_ipnum_v6, - GeoIP_country_name_by_ipnum_v6, -}; - -#endif - - -static ngx_int_t ngx_http_geoip_country_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_geoip_org_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_geoip_city_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_geoip_region_name_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_geoip_city_float_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_geoip_city_int_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static GeoIPRecord *ngx_http_geoip_get_city_record(ngx_http_request_t *r); - -static ngx_int_t ngx_http_geoip_add_variables(ngx_conf_t *cf); -static void *ngx_http_geoip_create_conf(ngx_conf_t *cf); -static char *ngx_http_geoip_init_conf(ngx_conf_t *cf, void *conf); -static char *ngx_http_geoip_country(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_geoip_org(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_geoip_city(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_geoip_proxy(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static ngx_int_t ngx_http_geoip_cidr_value(ngx_conf_t *cf, ngx_str_t *net, - ngx_cidr_t *cidr); -static void ngx_http_geoip_cleanup(void *data); - - -static ngx_command_t ngx_http_geoip_commands[] = { - - { ngx_string("geoip_country"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE12, - ngx_http_geoip_country, - NGX_HTTP_MAIN_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("geoip_org"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE12, - ngx_http_geoip_org, - NGX_HTTP_MAIN_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("geoip_city"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE12, - ngx_http_geoip_city, - NGX_HTTP_MAIN_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("geoip_proxy"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, - ngx_http_geoip_proxy, - NGX_HTTP_MAIN_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("geoip_proxy_recursive"), - NGX_HTTP_MAIN_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_geoip_conf_t, proxy_recursive), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_geoip_module_ctx = { - ngx_http_geoip_add_variables, /* preconfiguration */ - NULL, /* postconfiguration */ - - ngx_http_geoip_create_conf, /* create main configuration */ - ngx_http_geoip_init_conf, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_geoip_module = { - NGX_MODULE_V1, - &ngx_http_geoip_module_ctx, /* module context */ - ngx_http_geoip_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_variable_t ngx_http_geoip_vars[] = { - - { ngx_string("geoip_country_code"), NULL, - ngx_http_geoip_country_variable, - NGX_GEOIP_COUNTRY_CODE, 0, 0 }, - - { ngx_string("geoip_country_code3"), NULL, - ngx_http_geoip_country_variable, - NGX_GEOIP_COUNTRY_CODE3, 0, 0 }, - - { ngx_string("geoip_country_name"), NULL, - ngx_http_geoip_country_variable, - NGX_GEOIP_COUNTRY_NAME, 0, 0 }, - - { ngx_string("geoip_org"), NULL, - ngx_http_geoip_org_variable, - 0, 0, 0 }, - - { ngx_string("geoip_city_continent_code"), NULL, - ngx_http_geoip_city_variable, - offsetof(GeoIPRecord, continent_code), 0, 0 }, - - { ngx_string("geoip_city_country_code"), NULL, - ngx_http_geoip_city_variable, - offsetof(GeoIPRecord, country_code), 0, 0 }, - - { ngx_string("geoip_city_country_code3"), NULL, - ngx_http_geoip_city_variable, - offsetof(GeoIPRecord, country_code3), 0, 0 }, - - { ngx_string("geoip_city_country_name"), NULL, - ngx_http_geoip_city_variable, - offsetof(GeoIPRecord, country_name), 0, 0 }, - - { ngx_string("geoip_region"), NULL, - ngx_http_geoip_city_variable, - offsetof(GeoIPRecord, region), 0, 0 }, - - { ngx_string("geoip_region_name"), NULL, - ngx_http_geoip_region_name_variable, - 0, 0, 0 }, - - { ngx_string("geoip_city"), NULL, - ngx_http_geoip_city_variable, - offsetof(GeoIPRecord, city), 0, 0 }, - - { ngx_string("geoip_postal_code"), NULL, - ngx_http_geoip_city_variable, - offsetof(GeoIPRecord, postal_code), 0, 0 }, - - { ngx_string("geoip_latitude"), NULL, - ngx_http_geoip_city_float_variable, - offsetof(GeoIPRecord, latitude), 0, 0 }, - - { ngx_string("geoip_longitude"), NULL, - ngx_http_geoip_city_float_variable, - offsetof(GeoIPRecord, longitude), 0, 0 }, - - { ngx_string("geoip_dma_code"), NULL, - ngx_http_geoip_city_int_variable, - offsetof(GeoIPRecord, dma_code), 0, 0 }, - - { ngx_string("geoip_area_code"), NULL, - ngx_http_geoip_city_int_variable, - offsetof(GeoIPRecord, area_code), 0, 0 }, - - ngx_http_null_variable -}; - - -static u_long -ngx_http_geoip_addr(ngx_http_request_t *r, ngx_http_geoip_conf_t *gcf) -{ - ngx_addr_t addr; - ngx_array_t *xfwd; - struct sockaddr_in *sin; - - addr.sockaddr = r->connection->sockaddr; - addr.socklen = r->connection->socklen; - /* addr.name = r->connection->addr_text; */ - - xfwd = &r->headers_in.x_forwarded_for; - - if (xfwd->nelts > 0 && gcf->proxies != NULL) { - (void) ngx_http_get_forwarded_addr(r, &addr, xfwd, NULL, - gcf->proxies, gcf->proxy_recursive); - } - -#if (NGX_HAVE_INET6) - - if (addr.sockaddr->sa_family == AF_INET6) { - u_char *p; - in_addr_t inaddr; - struct in6_addr *inaddr6; - - inaddr6 = &((struct sockaddr_in6 *) addr.sockaddr)->sin6_addr; - - if (IN6_IS_ADDR_V4MAPPED(inaddr6)) { - p = inaddr6->s6_addr; - - inaddr = p[12] << 24; - inaddr += p[13] << 16; - inaddr += p[14] << 8; - inaddr += p[15]; - - return inaddr; - } - } - -#endif - - if (addr.sockaddr->sa_family != AF_INET) { - return INADDR_NONE; - } - - sin = (struct sockaddr_in *) addr.sockaddr; - return ntohl(sin->sin_addr.s_addr); -} - - -#if (NGX_HAVE_GEOIP_V6) - -static geoipv6_t -ngx_http_geoip_addr_v6(ngx_http_request_t *r, ngx_http_geoip_conf_t *gcf) -{ - ngx_addr_t addr; - ngx_array_t *xfwd; - in_addr_t addr4; - struct in6_addr addr6; - struct sockaddr_in *sin; - struct sockaddr_in6 *sin6; - - addr.sockaddr = r->connection->sockaddr; - addr.socklen = r->connection->socklen; - /* addr.name = r->connection->addr_text; */ - - xfwd = &r->headers_in.x_forwarded_for; - - if (xfwd->nelts > 0 && gcf->proxies != NULL) { - (void) ngx_http_get_forwarded_addr(r, &addr, xfwd, NULL, - gcf->proxies, gcf->proxy_recursive); - } - - switch (addr.sockaddr->sa_family) { - - case AF_INET: - /* Produce IPv4-mapped IPv6 address. */ - sin = (struct sockaddr_in *) addr.sockaddr; - addr4 = ntohl(sin->sin_addr.s_addr); - - ngx_memzero(&addr6, sizeof(struct in6_addr)); - addr6.s6_addr[10] = 0xff; - addr6.s6_addr[11] = 0xff; - addr6.s6_addr[12] = addr4 >> 24; - addr6.s6_addr[13] = addr4 >> 16; - addr6.s6_addr[14] = addr4 >> 8; - addr6.s6_addr[15] = addr4; - return addr6; - - case AF_INET6: - sin6 = (struct sockaddr_in6 *) addr.sockaddr; - return sin6->sin6_addr; - - default: - return in6addr_any; - } -} - -#endif - - -static ngx_int_t -ngx_http_geoip_country_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_http_geoip_variable_handler_pt handler = - ngx_http_geoip_country_functions[data]; -#if (NGX_HAVE_GEOIP_V6) - ngx_http_geoip_variable_handler_v6_pt handler_v6 = - ngx_http_geoip_country_v6_functions[data]; -#endif - - const char *val; - ngx_http_geoip_conf_t *gcf; - - gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module); - - if (gcf->country == NULL) { - goto not_found; - } - -#if (NGX_HAVE_GEOIP_V6) - val = gcf->country_v6 - ? handler_v6(gcf->country, ngx_http_geoip_addr_v6(r, gcf)) - : handler(gcf->country, ngx_http_geoip_addr(r, gcf)); -#else - val = handler(gcf->country, ngx_http_geoip_addr(r, gcf)); -#endif - - if (val == NULL) { - goto not_found; - } - - v->len = ngx_strlen(val); - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = (u_char *) val; - - return NGX_OK; - -not_found: - - v->not_found = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_geoip_org_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - size_t len; - char *val; - ngx_http_geoip_conf_t *gcf; - - gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module); - - if (gcf->org == NULL) { - goto not_found; - } - -#if (NGX_HAVE_GEOIP_V6) - val = gcf->org_v6 - ? GeoIP_name_by_ipnum_v6(gcf->org, - ngx_http_geoip_addr_v6(r, gcf)) - : GeoIP_name_by_ipnum(gcf->org, - ngx_http_geoip_addr(r, gcf)); -#else - val = GeoIP_name_by_ipnum(gcf->org, ngx_http_geoip_addr(r, gcf)); -#endif - - if (val == NULL) { - goto not_found; - } - - len = ngx_strlen(val); - v->data = ngx_pnalloc(r->pool, len); - if (v->data == NULL) { - ngx_free(val); - return NGX_ERROR; - } - - ngx_memcpy(v->data, val, len); - - v->len = len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - ngx_free(val); - - return NGX_OK; - -not_found: - - v->not_found = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_geoip_city_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - char *val; - size_t len; - GeoIPRecord *gr; - - gr = ngx_http_geoip_get_city_record(r); - if (gr == NULL) { - goto not_found; - } - - val = *(char **) ((char *) gr + data); - if (val == NULL) { - goto no_value; - } - - len = ngx_strlen(val); - v->data = ngx_pnalloc(r->pool, len); - if (v->data == NULL) { - GeoIPRecord_delete(gr); - return NGX_ERROR; - } - - ngx_memcpy(v->data, val, len); - - v->len = len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - GeoIPRecord_delete(gr); - - return NGX_OK; - -no_value: - - GeoIPRecord_delete(gr); - -not_found: - - v->not_found = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_geoip_region_name_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - size_t len; - const char *val; - GeoIPRecord *gr; - - gr = ngx_http_geoip_get_city_record(r); - if (gr == NULL) { - goto not_found; - } - - val = GeoIP_region_name_by_code(gr->country_code, gr->region); - - GeoIPRecord_delete(gr); - - if (val == NULL) { - goto not_found; - } - - len = ngx_strlen(val); - v->data = ngx_pnalloc(r->pool, len); - if (v->data == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(v->data, val, len); - - v->len = len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - return NGX_OK; - -not_found: - - v->not_found = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_geoip_city_float_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - float val; - GeoIPRecord *gr; - - gr = ngx_http_geoip_get_city_record(r); - if (gr == NULL) { - v->not_found = 1; - return NGX_OK; - } - - v->data = ngx_pnalloc(r->pool, NGX_INT64_LEN + 5); - if (v->data == NULL) { - GeoIPRecord_delete(gr); - return NGX_ERROR; - } - - val = *(float *) ((char *) gr + data); - - v->len = ngx_sprintf(v->data, "%.4f", val) - v->data; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - GeoIPRecord_delete(gr); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_geoip_city_int_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - int val; - GeoIPRecord *gr; - - gr = ngx_http_geoip_get_city_record(r); - if (gr == NULL) { - v->not_found = 1; - return NGX_OK; - } - - v->data = ngx_pnalloc(r->pool, NGX_INT64_LEN); - if (v->data == NULL) { - GeoIPRecord_delete(gr); - return NGX_ERROR; - } - - val = *(int *) ((char *) gr + data); - - v->len = ngx_sprintf(v->data, "%d", val) - v->data; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - GeoIPRecord_delete(gr); - - return NGX_OK; -} - - -static GeoIPRecord * -ngx_http_geoip_get_city_record(ngx_http_request_t *r) -{ - ngx_http_geoip_conf_t *gcf; - - gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module); - - if (gcf->city) { -#if (NGX_HAVE_GEOIP_V6) - return gcf->city_v6 - ? GeoIP_record_by_ipnum_v6(gcf->city, - ngx_http_geoip_addr_v6(r, gcf)) - : GeoIP_record_by_ipnum(gcf->city, - ngx_http_geoip_addr(r, gcf)); -#else - return GeoIP_record_by_ipnum(gcf->city, ngx_http_geoip_addr(r, gcf)); -#endif - } - - return NULL; -} - - -static ngx_int_t -ngx_http_geoip_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var, *v; - - for (v = ngx_http_geoip_vars; v->name.len; v++) { - var = ngx_http_add_variable(cf, &v->name, v->flags); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = v->get_handler; - var->data = v->data; - } - - return NGX_OK; -} - - -static void * -ngx_http_geoip_create_conf(ngx_conf_t *cf) -{ - ngx_pool_cleanup_t *cln; - ngx_http_geoip_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_geoip_conf_t)); - if (conf == NULL) { - return NULL; - } - - conf->proxy_recursive = NGX_CONF_UNSET; - - cln = ngx_pool_cleanup_add(cf->pool, 0); - if (cln == NULL) { - return NULL; - } - - cln->handler = ngx_http_geoip_cleanup; - cln->data = conf; - - return conf; -} - - -static char * -ngx_http_geoip_init_conf(ngx_conf_t *cf, void *conf) -{ - ngx_http_geoip_conf_t *gcf = conf; - - ngx_conf_init_value(gcf->proxy_recursive, 0); - - return NGX_CONF_OK; -} - - -static char * -ngx_http_geoip_country(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_geoip_conf_t *gcf = conf; - - ngx_str_t *value; - - if (gcf->country) { - return "is duplicate"; - } - - value = cf->args->elts; - - gcf->country = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE); - - if (gcf->country == NULL) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "GeoIP_open(\"%V\") failed", &value[1]); - - return NGX_CONF_ERROR; - } - - if (cf->args->nelts == 3) { - if (ngx_strcmp(value[2].data, "utf8") == 0) { - GeoIP_set_charset(gcf->country, GEOIP_CHARSET_UTF8); - - } else { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[2]); - return NGX_CONF_ERROR; - } - } - - switch (gcf->country->databaseType) { - - case GEOIP_COUNTRY_EDITION: - - return NGX_CONF_OK; - -#if (NGX_HAVE_GEOIP_V6) - case GEOIP_COUNTRY_EDITION_V6: - - gcf->country_v6 = 1; - return NGX_CONF_OK; -#endif - - default: - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid GeoIP database \"%V\" type:%d", - &value[1], gcf->country->databaseType); - return NGX_CONF_ERROR; - } -} - - -static char * -ngx_http_geoip_org(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_geoip_conf_t *gcf = conf; - - ngx_str_t *value; - - if (gcf->org) { - return "is duplicate"; - } - - value = cf->args->elts; - - gcf->org = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE); - - if (gcf->org == NULL) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "GeoIP_open(\"%V\") failed", &value[1]); - - return NGX_CONF_ERROR; - } - - if (cf->args->nelts == 3) { - if (ngx_strcmp(value[2].data, "utf8") == 0) { - GeoIP_set_charset(gcf->org, GEOIP_CHARSET_UTF8); - - } else { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[2]); - return NGX_CONF_ERROR; - } - } - - switch (gcf->org->databaseType) { - - case GEOIP_ISP_EDITION: - case GEOIP_ORG_EDITION: - case GEOIP_DOMAIN_EDITION: - case GEOIP_ASNUM_EDITION: - - return NGX_CONF_OK; - -#if (NGX_HAVE_GEOIP_V6) - case GEOIP_ISP_EDITION_V6: - case GEOIP_ORG_EDITION_V6: - case GEOIP_DOMAIN_EDITION_V6: - case GEOIP_ASNUM_EDITION_V6: - - gcf->org_v6 = 1; - return NGX_CONF_OK; -#endif - - default: - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid GeoIP database \"%V\" type:%d", - &value[1], gcf->org->databaseType); - return NGX_CONF_ERROR; - } -} - - -static char * -ngx_http_geoip_city(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_geoip_conf_t *gcf = conf; - - ngx_str_t *value; - - if (gcf->city) { - return "is duplicate"; - } - - value = cf->args->elts; - - gcf->city = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE); - - if (gcf->city == NULL) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "GeoIP_open(\"%V\") failed", &value[1]); - - return NGX_CONF_ERROR; - } - - if (cf->args->nelts == 3) { - if (ngx_strcmp(value[2].data, "utf8") == 0) { - GeoIP_set_charset(gcf->city, GEOIP_CHARSET_UTF8); - - } else { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[2]); - return NGX_CONF_ERROR; - } - } - - switch (gcf->city->databaseType) { - - case GEOIP_CITY_EDITION_REV0: - case GEOIP_CITY_EDITION_REV1: - - return NGX_CONF_OK; - -#if (NGX_HAVE_GEOIP_V6) - case GEOIP_CITY_EDITION_REV0_V6: - case GEOIP_CITY_EDITION_REV1_V6: - - gcf->city_v6 = 1; - return NGX_CONF_OK; -#endif - - default: - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid GeoIP City database \"%V\" type:%d", - &value[1], gcf->city->databaseType); - return NGX_CONF_ERROR; - } -} - - -static char * -ngx_http_geoip_proxy(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_geoip_conf_t *gcf = conf; - - ngx_str_t *value; - ngx_cidr_t cidr, *c; - - value = cf->args->elts; - - if (ngx_http_geoip_cidr_value(cf, &value[1], &cidr) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (gcf->proxies == NULL) { - gcf->proxies = ngx_array_create(cf->pool, 4, sizeof(ngx_cidr_t)); - if (gcf->proxies == NULL) { - return NGX_CONF_ERROR; - } - } - - c = ngx_array_push(gcf->proxies); - if (c == NULL) { - return NGX_CONF_ERROR; - } - - *c = cidr; - - return NGX_CONF_OK; -} - -static ngx_int_t -ngx_http_geoip_cidr_value(ngx_conf_t *cf, ngx_str_t *net, ngx_cidr_t *cidr) -{ - ngx_int_t rc; - - if (ngx_strcmp(net->data, "255.255.255.255") == 0) { - cidr->family = AF_INET; - cidr->u.in.addr = 0xffffffff; - cidr->u.in.mask = 0xffffffff; - - return NGX_OK; - } - - rc = ngx_ptocidr(net, cidr); - - if (rc == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid network \"%V\"", net); - return NGX_ERROR; - } - - if (rc == NGX_DONE) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "low address bits of %V are meaningless", net); - } - - return NGX_OK; -} - - -static void -ngx_http_geoip_cleanup(void *data) -{ - ngx_http_geoip_conf_t *gcf = data; - - if (gcf->country) { - GeoIP_delete(gcf->country); - } - - if (gcf->org) { - GeoIP_delete(gcf->org); - } - - if (gcf->city) { - GeoIP_delete(gcf->city); - } -} diff --git a/nginx/src/http/modules/ngx_http_grpc_module.c b/nginx/src/http/modules/ngx_http_grpc_module.c deleted file mode 100644 index 62b33fd..0000000 --- a/nginx/src/http/modules/ngx_http_grpc_module.c +++ /dev/null @@ -1,4707 +0,0 @@ - -/* - * Copyright (C) Maxim Dounin - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_array_t *flushes; - ngx_array_t *lengths; - ngx_array_t *values; - ngx_hash_t hash; -} ngx_http_grpc_headers_t; - - -typedef struct { - ngx_http_upstream_conf_t upstream; - - ngx_http_grpc_headers_t headers; - ngx_array_t *headers_source; - - ngx_str_t host; - ngx_uint_t host_set; - -#if (NGX_HTTP_SSL) - ngx_uint_t ssl; - ngx_uint_t ssl_protocols; - ngx_str_t ssl_ciphers; - ngx_uint_t ssl_verify_depth; - ngx_str_t ssl_trusted_certificate; - ngx_str_t ssl_crl; - ngx_str_t ssl_certificate; - ngx_str_t ssl_certificate_key; - ngx_array_t *ssl_passwords; -#endif -} ngx_http_grpc_loc_conf_t; - - -typedef enum { - ngx_http_grpc_st_start = 0, - ngx_http_grpc_st_length_2, - ngx_http_grpc_st_length_3, - ngx_http_grpc_st_type, - ngx_http_grpc_st_flags, - ngx_http_grpc_st_stream_id, - ngx_http_grpc_st_stream_id_2, - ngx_http_grpc_st_stream_id_3, - ngx_http_grpc_st_stream_id_4, - ngx_http_grpc_st_payload, - ngx_http_grpc_st_padding -} ngx_http_grpc_state_e; - - -typedef struct { - size_t init_window; - size_t send_window; - size_t recv_window; - ngx_uint_t last_stream_id; -} ngx_http_grpc_conn_t; - - -typedef struct { - ngx_http_grpc_state_e state; - ngx_uint_t frame_state; - ngx_uint_t fragment_state; - - ngx_chain_t *in; - ngx_chain_t *out; - ngx_chain_t *free; - ngx_chain_t *busy; - - ngx_http_grpc_conn_t *connection; - - ngx_uint_t id; - - ngx_uint_t pings; - ngx_uint_t settings; - - ssize_t send_window; - size_t recv_window; - - size_t rest; - ngx_uint_t stream_id; - u_char type; - u_char flags; - u_char padding; - - ngx_uint_t error; - ngx_uint_t window_update; - - ngx_uint_t setting_id; - ngx_uint_t setting_value; - - u_char ping_data[8]; - - ngx_uint_t index; - ngx_str_t name; - ngx_str_t value; - - u_char *field_end; - size_t field_length; - size_t field_rest; - u_char field_state; - - unsigned literal:1; - unsigned field_huffman:1; - - unsigned header_sent:1; - unsigned output_closed:1; - unsigned output_blocked:1; - unsigned parsing_headers:1; - unsigned end_stream:1; - unsigned done:1; - unsigned status:1; - - ngx_http_request_t *request; -} ngx_http_grpc_ctx_t; - - -typedef struct { - u_char length_0; - u_char length_1; - u_char length_2; - u_char type; - u_char flags; - u_char stream_id_0; - u_char stream_id_1; - u_char stream_id_2; - u_char stream_id_3; -} ngx_http_grpc_frame_t; - - -static ngx_int_t ngx_http_grpc_create_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_grpc_reinit_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_grpc_body_output_filter(void *data, ngx_chain_t *in); -static ngx_int_t ngx_http_grpc_process_header(ngx_http_request_t *r); -static ngx_int_t ngx_http_grpc_filter_init(void *data); -static ngx_int_t ngx_http_grpc_filter(void *data, ssize_t bytes); - -static ngx_int_t ngx_http_grpc_parse_frame(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); -static ngx_int_t ngx_http_grpc_parse_header(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); -static ngx_int_t ngx_http_grpc_parse_fragment(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); -static ngx_int_t ngx_http_grpc_validate_header_name(ngx_http_request_t *r, - ngx_str_t *s); -static ngx_int_t ngx_http_grpc_validate_header_value(ngx_http_request_t *r, - ngx_str_t *s); -static ngx_int_t ngx_http_grpc_parse_rst_stream(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); -static ngx_int_t ngx_http_grpc_parse_goaway(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); -static ngx_int_t ngx_http_grpc_parse_window_update(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); -static ngx_int_t ngx_http_grpc_parse_settings(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); -static ngx_int_t ngx_http_grpc_parse_ping(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); - -static ngx_int_t ngx_http_grpc_send_settings_ack(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx); -static ngx_int_t ngx_http_grpc_send_ping_ack(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx); -static ngx_int_t ngx_http_grpc_send_window_update(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx); - -static ngx_chain_t *ngx_http_grpc_get_buf(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx); -static ngx_http_grpc_ctx_t *ngx_http_grpc_get_ctx(ngx_http_request_t *r); -static ngx_int_t ngx_http_grpc_get_connection_data(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx, ngx_peer_connection_t *pc); -static void ngx_http_grpc_cleanup(void *data); - -static void ngx_http_grpc_abort_request(ngx_http_request_t *r); -static void ngx_http_grpc_finalize_request(ngx_http_request_t *r, - ngx_int_t rc); - -static ngx_int_t ngx_http_grpc_internal_trailers_variable( - ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data); - -static ngx_int_t ngx_http_grpc_add_variables(ngx_conf_t *cf); -static void *ngx_http_grpc_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_grpc_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_grpc_init_headers(ngx_conf_t *cf, - ngx_http_grpc_loc_conf_t *conf, ngx_http_grpc_headers_t *headers, - ngx_keyval_t *default_headers); - -static char *ngx_http_grpc_pass(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - -#if (NGX_HTTP_SSL) -static char *ngx_http_grpc_ssl_password_file(ngx_conf_t *cf, - ngx_command_t *cmd, void *conf); -static ngx_int_t ngx_http_grpc_set_ssl(ngx_conf_t *cf, - ngx_http_grpc_loc_conf_t *glcf); -#endif - - -static ngx_conf_bitmask_t ngx_http_grpc_next_upstream_masks[] = { - { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, - { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, - { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, - { ngx_string("non_idempotent"), NGX_HTTP_UPSTREAM_FT_NON_IDEMPOTENT }, - { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, - { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 }, - { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, - { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 }, - { ngx_string("http_403"), NGX_HTTP_UPSTREAM_FT_HTTP_403 }, - { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, - { ngx_string("http_429"), NGX_HTTP_UPSTREAM_FT_HTTP_429 }, - { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, - { ngx_null_string, 0 } -}; - - -#if (NGX_HTTP_SSL) - -static ngx_conf_bitmask_t ngx_http_grpc_ssl_protocols[] = { - { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, - { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, - { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, - { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, - { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, - { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 }, - { ngx_null_string, 0 } -}; - -#endif - - -static ngx_command_t ngx_http_grpc_commands[] = { - - { ngx_string("grpc_pass"), - NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, - ngx_http_grpc_pass, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("grpc_bind"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_upstream_bind_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.local), - NULL }, - - { ngx_string("grpc_connect_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.connect_timeout), - NULL }, - - { ngx_string("grpc_send_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.send_timeout), - NULL }, - - { ngx_string("grpc_intercept_errors"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.intercept_errors), - NULL }, - - { ngx_string("grpc_buffer_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.buffer_size), - NULL }, - - { ngx_string("grpc_read_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.read_timeout), - NULL }, - - { ngx_string("grpc_next_upstream"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.next_upstream), - &ngx_http_grpc_next_upstream_masks }, - - { ngx_string("grpc_next_upstream_tries"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.next_upstream_tries), - NULL }, - - { ngx_string("grpc_next_upstream_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.next_upstream_timeout), - NULL }, - - { ngx_string("grpc_set_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_conf_set_keyval_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, headers_source), - NULL }, - - { ngx_string("grpc_pass_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.pass_headers), - NULL }, - - { ngx_string("grpc_hide_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.hide_headers), - NULL }, - - { ngx_string("grpc_ignore_headers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.ignore_headers), - &ngx_http_upstream_ignore_headers_masks }, - -#if (NGX_HTTP_SSL) - - { ngx_string("grpc_ssl_session_reuse"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_session_reuse), - NULL }, - - { ngx_string("grpc_ssl_protocols"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, ssl_protocols), - &ngx_http_grpc_ssl_protocols }, - - { ngx_string("grpc_ssl_ciphers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, ssl_ciphers), - NULL }, - - { ngx_string("grpc_ssl_name"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_set_complex_value_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_name), - NULL }, - - { ngx_string("grpc_ssl_server_name"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_server_name), - NULL }, - - { ngx_string("grpc_ssl_verify"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_verify), - NULL }, - - { ngx_string("grpc_ssl_verify_depth"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, ssl_verify_depth), - NULL }, - - { ngx_string("grpc_ssl_trusted_certificate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, ssl_trusted_certificate), - NULL }, - - { ngx_string("grpc_ssl_crl"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, ssl_crl), - NULL }, - - { ngx_string("grpc_ssl_certificate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, ssl_certificate), - NULL }, - - { ngx_string("grpc_ssl_certificate_key"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_grpc_loc_conf_t, ssl_certificate_key), - NULL }, - - { ngx_string("grpc_ssl_password_file"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_grpc_ssl_password_file, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - -#endif - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_grpc_module_ctx = { - ngx_http_grpc_add_variables, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_grpc_create_loc_conf, /* create location configuration */ - ngx_http_grpc_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_grpc_module = { - NGX_MODULE_V1, - &ngx_http_grpc_module_ctx, /* module context */ - ngx_http_grpc_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static u_char ngx_http_grpc_connection_start[] = - "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" /* connection preface */ - - "\x00\x00\x12\x04\x00\x00\x00\x00\x00" /* settings frame */ - "\x00\x01\x00\x00\x00\x00" /* header table size */ - "\x00\x02\x00\x00\x00\x00" /* disable push */ - "\x00\x04\x7f\xff\xff\xff" /* initial window */ - - "\x00\x00\x04\x08\x00\x00\x00\x00\x00" /* window update frame */ - "\x7f\xff\x00\x00"; - - -static ngx_keyval_t ngx_http_grpc_headers[] = { - { ngx_string("Content-Length"), ngx_string("$content_length") }, - { ngx_string("TE"), ngx_string("$grpc_internal_trailers") }, - { ngx_string("Host"), ngx_string("") }, - { ngx_string("Connection"), ngx_string("") }, - { ngx_string("Transfer-Encoding"), ngx_string("") }, - { ngx_string("Keep-Alive"), ngx_string("") }, - { ngx_string("Expect"), ngx_string("") }, - { ngx_string("Upgrade"), ngx_string("") }, - { ngx_null_string, ngx_null_string } -}; - - -static ngx_str_t ngx_http_grpc_hide_headers[] = { - ngx_string("Date"), - ngx_string("Server"), - ngx_string("X-Accel-Expires"), - ngx_string("X-Accel-Redirect"), - ngx_string("X-Accel-Limit-Rate"), - ngx_string("X-Accel-Buffering"), - ngx_string("X-Accel-Charset"), - ngx_null_string -}; - - -static ngx_http_variable_t ngx_http_grpc_vars[] = { - - { ngx_string("grpc_internal_trailers"), NULL, - ngx_http_grpc_internal_trailers_variable, 0, - NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, - - ngx_http_null_variable -}; - - -static ngx_int_t -ngx_http_grpc_handler(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_http_upstream_t *u; - ngx_http_grpc_ctx_t *ctx; - ngx_http_grpc_loc_conf_t *glcf; - - if (ngx_http_upstream_create(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - glcf = ngx_http_get_module_loc_conf(r, ngx_http_grpc_module); - - u = r->upstream; - -#if (NGX_HTTP_SSL) - u->ssl = (glcf->upstream.ssl != NULL); - - if (u->ssl) { - ngx_str_set(&u->schema, "grpcs://"); - - } else { - ngx_str_set(&u->schema, "grpc://"); - } -#else - ngx_str_set(&u->schema, "grpc://"); -#endif - - u->output.tag = (ngx_buf_tag_t) &ngx_http_grpc_module; - - u->conf = &glcf->upstream; - - u->create_request = ngx_http_grpc_create_request; - u->reinit_request = ngx_http_grpc_reinit_request; - u->process_header = ngx_http_grpc_process_header; - u->abort_request = ngx_http_grpc_abort_request; - u->finalize_request = ngx_http_grpc_finalize_request; - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_grpc_ctx_t)); - if (ctx == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ctx->request = r; - - ngx_http_set_ctx(r, ctx, ngx_http_grpc_module); - - u->input_filter_init = ngx_http_grpc_filter_init; - u->input_filter = ngx_http_grpc_filter; - u->input_filter_ctx = ctx; - - r->request_body_no_buffering = 1; - - rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); - - if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { - return rc; - } - - return NGX_DONE; -} - - -static ngx_int_t -ngx_http_grpc_create_request(ngx_http_request_t *r) -{ - u_char *p, *tmp, *key_tmp, *val_tmp, *headers_frame; - size_t len, tmp_len, key_len, val_len, uri_len; - uintptr_t escape; - ngx_buf_t *b; - ngx_uint_t i, next; - ngx_chain_t *cl, *body; - ngx_list_part_t *part; - ngx_table_elt_t *header; - ngx_http_upstream_t *u; - ngx_http_grpc_frame_t *f; - ngx_http_script_code_pt code; - ngx_http_grpc_loc_conf_t *glcf; - ngx_http_script_engine_t e, le; - ngx_http_script_len_code_pt lcode; - - u = r->upstream; - - glcf = ngx_http_get_module_loc_conf(r, ngx_http_grpc_module); - - len = sizeof(ngx_http_grpc_connection_start) - 1 - + sizeof(ngx_http_grpc_frame_t); /* headers frame */ - - /* :method header */ - - if (r->method == NGX_HTTP_GET || r->method == NGX_HTTP_POST) { - len += 1; - tmp_len = 0; - - } else { - len += 1 + NGX_HTTP_V2_INT_OCTETS + r->method_name.len; - tmp_len = r->method_name.len; - } - - /* :scheme header */ - - len += 1; - - /* :path header */ - - if (r->valid_unparsed_uri) { - escape = 0; - uri_len = r->unparsed_uri.len; - - } else { - escape = 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, - NGX_ESCAPE_URI); - uri_len = r->uri.len + escape + sizeof("?") - 1 + r->args.len; - } - - len += 1 + NGX_HTTP_V2_INT_OCTETS + uri_len; - - if (tmp_len < uri_len) { - tmp_len = uri_len; - } - - /* :authority header */ - - if (!glcf->host_set) { - len += 1 + NGX_HTTP_V2_INT_OCTETS + glcf->host.len; - - if (tmp_len < glcf->host.len) { - tmp_len = glcf->host.len; - } - } - - /* other headers */ - - ngx_http_script_flush_no_cacheable_variables(r, glcf->headers.flushes); - ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); - - le.ip = glcf->headers.lengths->elts; - le.request = r; - le.flushed = 1; - - while (*(uintptr_t *) le.ip) { - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - key_len = lcode(&le); - - for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { - lcode = *(ngx_http_script_len_code_pt *) le.ip; - } - le.ip += sizeof(uintptr_t); - - if (val_len == 0) { - continue; - } - - len += 1 + NGX_HTTP_V2_INT_OCTETS + key_len - + NGX_HTTP_V2_INT_OCTETS + val_len; - - if (tmp_len < key_len) { - tmp_len = key_len; - } - - if (tmp_len < val_len) { - tmp_len = val_len; - } - } - - if (glcf->upstream.pass_request_headers) { - part = &r->headers_in.headers.part; - header = part->elts; - - for (i = 0; /* void */; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - if (ngx_hash_find(&glcf->headers.hash, header[i].hash, - header[i].lowcase_key, header[i].key.len)) - { - continue; - } - - len += 1 + NGX_HTTP_V2_INT_OCTETS + header[i].key.len - + NGX_HTTP_V2_INT_OCTETS + header[i].value.len; - - if (tmp_len < header[i].key.len) { - tmp_len = header[i].key.len; - } - - if (tmp_len < header[i].value.len) { - tmp_len = header[i].value.len; - } - } - } - - /* continuation frames */ - - len += sizeof(ngx_http_grpc_frame_t) - * (len / NGX_HTTP_V2_DEFAULT_FRAME_SIZE); - - - b = ngx_create_temp_buf(r->pool, len); - if (b == NULL) { - return NGX_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - cl->next = NULL; - - tmp = ngx_palloc(r->pool, tmp_len * 3); - if (tmp == NULL) { - return NGX_ERROR; - } - - key_tmp = tmp + tmp_len; - val_tmp = tmp + 2 * tmp_len; - - /* connection preface */ - - b->last = ngx_copy(b->last, ngx_http_grpc_connection_start, - sizeof(ngx_http_grpc_connection_start) - 1); - - /* headers frame */ - - headers_frame = b->last; - - f = (ngx_http_grpc_frame_t *) b->last; - b->last += sizeof(ngx_http_grpc_frame_t); - - f->length_0 = 0; - f->length_1 = 0; - f->length_2 = 0; - f->type = NGX_HTTP_V2_HEADERS_FRAME; - f->flags = 0; - f->stream_id_0 = 0; - f->stream_id_1 = 0; - f->stream_id_2 = 0; - f->stream_id_3 = 1; - - if (r->method == NGX_HTTP_GET) { - *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_METHOD_GET_INDEX); - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header: \":method: GET\""); - - } else if (r->method == NGX_HTTP_POST) { - *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_METHOD_POST_INDEX); - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header: \":method: POST\""); - - } else { - *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_METHOD_INDEX); - b->last = ngx_http_v2_write_value(b->last, r->method_name.data, - r->method_name.len, tmp); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header: \":method: %V\"", &r->method_name); - } - -#if (NGX_HTTP_SSL) - if (glcf->ssl) { - *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_SCHEME_HTTPS_INDEX); - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header: \":scheme: https\""); - } else -#endif - { - *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_SCHEME_HTTP_INDEX); - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header: \":scheme: http\""); - } - - if (r->valid_unparsed_uri) { - - if (r->unparsed_uri.len == 1 && r->unparsed_uri.data[0] == '/') { - *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_PATH_ROOT_INDEX); - - } else { - *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_PATH_INDEX); - b->last = ngx_http_v2_write_value(b->last, r->unparsed_uri.data, - r->unparsed_uri.len, tmp); - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header: \":path: %V\"", &r->unparsed_uri); - - } else if (escape || r->args.len > 0) { - p = val_tmp; - - if (escape) { - p = (u_char *) ngx_escape_uri(p, r->uri.data, r->uri.len, - NGX_ESCAPE_URI); - - } else { - p = ngx_copy(p, r->uri.data, r->uri.len); - } - - if (r->args.len > 0) { - *p++ = '?'; - p = ngx_copy(p, r->args.data, r->args.len); - } - - *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_PATH_INDEX); - b->last = ngx_http_v2_write_value(b->last, val_tmp, p - val_tmp, tmp); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header: \":path: %*s\"", p - val_tmp, val_tmp); - - } else { - *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_PATH_INDEX); - b->last = ngx_http_v2_write_value(b->last, r->uri.data, - r->uri.len, tmp); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header: \":path: %V\"", &r->uri); - } - - if (!glcf->host_set) { - *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_AUTHORITY_INDEX); - b->last = ngx_http_v2_write_value(b->last, glcf->host.data, - glcf->host.len, tmp); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header: \":authority: %V\"", &glcf->host); - } - - ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); - - e.ip = glcf->headers.values->elts; - e.request = r; - e.flushed = 1; - - le.ip = glcf->headers.lengths->elts; - - while (*(uintptr_t *) le.ip) { - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - key_len = lcode(&le); - - for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { - lcode = *(ngx_http_script_len_code_pt *) le.ip; - } - le.ip += sizeof(uintptr_t); - - if (val_len == 0) { - e.skip = 1; - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - e.ip += sizeof(uintptr_t); - - e.skip = 0; - - continue; - } - - *b->last++ = 0; - - e.pos = key_tmp; - - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - - b->last = ngx_http_v2_write_name(b->last, key_tmp, key_len, tmp); - - e.pos = val_tmp; - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - e.ip += sizeof(uintptr_t); - - b->last = ngx_http_v2_write_value(b->last, val_tmp, val_len, tmp); - -#if (NGX_DEBUG) - if (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP) { - ngx_strlow(key_tmp, key_tmp, key_len); - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header: \"%*s: %*s\"", - key_len, key_tmp, val_len, val_tmp); - } -#endif - } - - if (glcf->upstream.pass_request_headers) { - part = &r->headers_in.headers.part; - header = part->elts; - - for (i = 0; /* void */; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - if (ngx_hash_find(&glcf->headers.hash, header[i].hash, - header[i].lowcase_key, header[i].key.len)) - { - continue; - } - - *b->last++ = 0; - - b->last = ngx_http_v2_write_name(b->last, header[i].key.data, - header[i].key.len, tmp); - - b->last = ngx_http_v2_write_value(b->last, header[i].value.data, - header[i].value.len, tmp); - -#if (NGX_DEBUG) - if (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP) { - ngx_strlow(tmp, header[i].key.data, header[i].key.len); - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header: \"%*s: %V\"", - header[i].key.len, tmp, &header[i].value); - } -#endif - } - } - - /* update headers frame length */ - - len = b->last - headers_frame - sizeof(ngx_http_grpc_frame_t); - - if (len > NGX_HTTP_V2_DEFAULT_FRAME_SIZE) { - len = NGX_HTTP_V2_DEFAULT_FRAME_SIZE; - next = 1; - - } else { - next = 0; - } - - f = (ngx_http_grpc_frame_t *) headers_frame; - - f->length_0 = (u_char) ((len >> 16) & 0xff); - f->length_1 = (u_char) ((len >> 8) & 0xff); - f->length_2 = (u_char) (len & 0xff); - - /* create additional continuation frames */ - - p = headers_frame; - - while (next) { - p += sizeof(ngx_http_grpc_frame_t) + NGX_HTTP_V2_DEFAULT_FRAME_SIZE; - len = b->last - p; - - ngx_memmove(p + sizeof(ngx_http_grpc_frame_t), p, len); - b->last += sizeof(ngx_http_grpc_frame_t); - - if (len > NGX_HTTP_V2_DEFAULT_FRAME_SIZE) { - len = NGX_HTTP_V2_DEFAULT_FRAME_SIZE; - next = 1; - - } else { - next = 0; - } - - f = (ngx_http_grpc_frame_t *) p; - - f->length_0 = (u_char) ((len >> 16) & 0xff); - f->length_1 = (u_char) ((len >> 8) & 0xff); - f->length_2 = (u_char) (len & 0xff); - f->type = NGX_HTTP_V2_CONTINUATION_FRAME; - f->flags = 0; - f->stream_id_0 = 0; - f->stream_id_1 = 0; - f->stream_id_2 = 0; - f->stream_id_3 = 1; - } - - f->flags |= NGX_HTTP_V2_END_HEADERS_FLAG; - -#if (NGX_DEBUG) - if (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP) { - u_char buf[512]; - size_t n, m; - - n = ngx_min(b->last - b->pos, 256); - m = ngx_hex_dump(buf, b->pos, n) - buf; - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header: %*s%s, len: %uz", - m, buf, b->last - b->pos > 256 ? "..." : "", - b->last - b->pos); - } -#endif - - if (r->request_body_no_buffering) { - - u->request_bufs = cl; - - } else { - - body = u->request_bufs; - u->request_bufs = cl; - - if (body == NULL) { - f = (ngx_http_grpc_frame_t *) headers_frame; - f->flags |= NGX_HTTP_V2_END_STREAM_FLAG; - } - - while (body) { - b = ngx_alloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); - - cl->next = ngx_alloc_chain_link(r->pool); - if (cl->next == NULL) { - return NGX_ERROR; - } - - cl = cl->next; - cl->buf = b; - - body = body->next; - } - - b->last_buf = 1; - } - - u->output.output_filter = ngx_http_grpc_body_output_filter; - u->output.filter_ctx = r; - - b->flush = 1; - cl->next = NULL; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_grpc_reinit_request(ngx_http_request_t *r) -{ - ngx_http_grpc_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_grpc_module); - - if (ctx == NULL) { - return NGX_OK; - } - - ctx->state = 0; - ctx->header_sent = 0; - ctx->output_closed = 0; - ctx->output_blocked = 0; - ctx->parsing_headers = 0; - ctx->end_stream = 0; - ctx->done = 0; - ctx->status = 0; - ctx->connection = NULL; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_grpc_body_output_filter(void *data, ngx_chain_t *in) -{ - ngx_http_request_t *r = data; - - off_t file_pos; - u_char *p, *pos, *start; - size_t len, limit; - ngx_buf_t *b; - ngx_int_t rc; - ngx_uint_t next, last; - ngx_chain_t *cl, *out, **ll; - ngx_http_upstream_t *u; - ngx_http_grpc_ctx_t *ctx; - ngx_http_grpc_frame_t *f; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc output filter"); - - ctx = ngx_http_grpc_get_ctx(r); - - if (ctx == NULL) { - return NGX_ERROR; - } - - if (in) { - if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) { - return NGX_ERROR; - } - } - - out = NULL; - ll = &out; - - if (!ctx->header_sent) { - /* first buffer contains headers */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc output header"); - - ctx->header_sent = 1; - - if (ctx->id != 1) { - /* - * keepalive connection: skip connection preface, - * update stream identifiers - */ - - b = ctx->in->buf; - b->pos += sizeof(ngx_http_grpc_connection_start) - 1; - - p = b->pos; - - while (p < b->last) { - f = (ngx_http_grpc_frame_t *) p; - p += sizeof(ngx_http_grpc_frame_t); - - f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); - f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); - f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); - f->stream_id_3 = (u_char) (ctx->id & 0xff); - - p += (f->length_0 << 16) + (f->length_1 << 8) + f->length_2; - } - } - - if (ctx->in->buf->last_buf) { - ctx->output_closed = 1; - } - - *ll = ctx->in; - ll = &ctx->in->next; - - ctx->in = ctx->in->next; - } - - if (ctx->out) { - /* queued control frames */ - - *ll = ctx->out; - - for (cl = ctx->out, ll = &cl->next; cl; cl = cl->next) { - ll = &cl->next; - } - - ctx->out = NULL; - } - - f = NULL; - last = 0; - - limit = ngx_max(0, ctx->send_window); - - if (limit > ctx->connection->send_window) { - limit = ctx->connection->send_window; - } - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc output limit: %uz w:%z:%uz", - limit, ctx->send_window, ctx->connection->send_window); - -#if (NGX_SUPPRESS_WARN) - file_pos = 0; - pos = NULL; - cl = NULL; -#endif - - in = ctx->in; - - while (in && limit > 0) { - - ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, - "grpc output in l:%d f:%d %p, pos %p, size: %z " - "file: %O, size: %O", - in->buf->last_buf, - in->buf->in_file, - in->buf->start, in->buf->pos, - in->buf->last - in->buf->pos, - in->buf->file_pos, - in->buf->file_last - in->buf->file_pos); - - if (ngx_buf_special(in->buf)) { - goto next; - } - - if (in->buf->in_file) { - file_pos = in->buf->file_pos; - - } else { - pos = in->buf->pos; - } - - next = 0; - - do { - - cl = ngx_http_grpc_get_buf(r, ctx); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - - f = (ngx_http_grpc_frame_t *) b->last; - b->last += sizeof(ngx_http_grpc_frame_t); - - *ll = cl; - ll = &cl->next; - - cl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - start = b->start; - - ngx_memcpy(b, in->buf, sizeof(ngx_buf_t)); - - /* - * restore b->start to preserve memory allocated in the buffer, - * to reuse it later for headers and control frames - */ - - b->start = start; - - if (in->buf->in_file) { - b->file_pos = file_pos; - file_pos += ngx_min(NGX_HTTP_V2_DEFAULT_FRAME_SIZE, limit); - - if (file_pos >= in->buf->file_last) { - file_pos = in->buf->file_last; - next = 1; - } - - b->file_last = file_pos; - len = (ngx_uint_t) (file_pos - b->file_pos); - - } else { - b->pos = pos; - pos += ngx_min(NGX_HTTP_V2_DEFAULT_FRAME_SIZE, limit); - - if (pos >= in->buf->last) { - pos = in->buf->last; - next = 1; - } - - b->last = pos; - len = (ngx_uint_t) (pos - b->pos); - } - - b->tag = (ngx_buf_tag_t) &ngx_http_grpc_body_output_filter; - b->shadow = in->buf; - b->last_shadow = next; - - b->last_buf = 0; - b->last_in_chain = 0; - - *ll = cl; - ll = &cl->next; - - f->length_0 = (u_char) ((len >> 16) & 0xff); - f->length_1 = (u_char) ((len >> 8) & 0xff); - f->length_2 = (u_char) (len & 0xff); - f->type = NGX_HTTP_V2_DATA_FRAME; - f->flags = 0; - f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); - f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); - f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); - f->stream_id_3 = (u_char) (ctx->id & 0xff); - - limit -= len; - ctx->send_window -= len; - ctx->connection->send_window -= len; - - } while (!next && limit > 0); - - if (!next) { - /* - * if the buffer wasn't fully sent due to flow control limits, - * preserve position for future use - */ - - if (in->buf->in_file) { - in->buf->file_pos = file_pos; - - } else { - in->buf->pos = pos; - } - - break; - } - - next: - - if (in->buf->last_buf) { - last = 1; - } - - in = in->next; - } - - ctx->in = in; - - if (last) { - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc output last"); - - ctx->output_closed = 1; - - if (f) { - f->flags |= NGX_HTTP_V2_END_STREAM_FLAG; - - } else { - cl = ngx_http_grpc_get_buf(r, ctx); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - - f = (ngx_http_grpc_frame_t *) b->last; - b->last += sizeof(ngx_http_grpc_frame_t); - - f->length_0 = 0; - f->length_1 = 0; - f->length_2 = 0; - f->type = NGX_HTTP_V2_DATA_FRAME; - f->flags = NGX_HTTP_V2_END_STREAM_FLAG; - f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); - f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); - f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); - f->stream_id_3 = (u_char) (ctx->id & 0xff); - - *ll = cl; - ll = &cl->next; - } - - cl->buf->last_buf = 1; - } - - *ll = NULL; - -#if (NGX_DEBUG) - - for (cl = out; cl; cl = cl->next) { - ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, - "grpc output out l:%d f:%d %p, pos %p, size: %z " - "file: %O, size: %O", - cl->buf->last_buf, - cl->buf->in_file, - cl->buf->start, cl->buf->pos, - cl->buf->last - cl->buf->pos, - cl->buf->file_pos, - cl->buf->file_last - cl->buf->file_pos); - } - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc output limit: %uz w:%z:%uz", - limit, ctx->send_window, ctx->connection->send_window); - -#endif - - rc = ngx_chain_writer(&r->upstream->writer, out); - - ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &out, - (ngx_buf_tag_t) &ngx_http_grpc_body_output_filter); - - for (cl = ctx->free; cl; cl = cl->next) { - - /* mark original buffers as sent */ - - if (cl->buf->shadow) { - if (cl->buf->last_shadow) { - b = cl->buf->shadow; - b->pos = b->last; - } - - cl->buf->shadow = NULL; - } - } - - if (rc == NGX_OK && ctx->in) { - rc = NGX_AGAIN; - } - - if (rc == NGX_AGAIN) { - ctx->output_blocked = 1; - - } else { - ctx->output_blocked = 0; - } - - if (ctx->done) { - - /* - * We have already got the response and were sending some additional - * control frames. Even if there is still something unsent, stop - * here anyway. - */ - - u = r->upstream; - u->length = 0; - - if (ctx->in == NULL - && ctx->out == NULL - && ctx->output_closed - && !ctx->output_blocked - && ctx->state == ngx_http_grpc_st_start) - { - u->keepalive = 1; - } - - ngx_post_event(u->peer.connection->read, &ngx_posted_events); - } - - return rc; -} - - -static ngx_int_t -ngx_http_grpc_process_header(ngx_http_request_t *r) -{ - ngx_str_t *status_line; - ngx_int_t rc, status; - ngx_buf_t *b; - ngx_table_elt_t *h; - ngx_http_upstream_t *u; - ngx_http_grpc_ctx_t *ctx; - ngx_http_upstream_header_t *hh; - ngx_http_upstream_main_conf_t *umcf; - - u = r->upstream; - b = &u->buffer; - -#if (NGX_DEBUG) - if (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP) { - u_char buf[512]; - size_t n, m; - - n = ngx_min(b->last - b->pos, 256); - m = ngx_hex_dump(buf, b->pos, n) - buf; - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc response: %*s%s, len: %uz", - m, buf, b->last - b->pos > 256 ? "..." : "", - b->last - b->pos); - } -#endif - - ctx = ngx_http_grpc_get_ctx(r); - - if (ctx == NULL) { - return NGX_ERROR; - } - - umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); - - for ( ;; ) { - - if (ctx->state < ngx_http_grpc_st_payload) { - - rc = ngx_http_grpc_parse_frame(r, ctx, b); - - if (rc == NGX_AGAIN) { - - /* - * there can be a lot of window update frames, - * so we reset buffer if it is empty and we haven't - * started parsing headers yet - */ - - if (!ctx->parsing_headers) { - b->pos = b->start; - b->last = b->pos; - } - - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - /* - * RFC 7540 says that implementations MUST discard frames - * that have unknown or unsupported types. However, extension - * frames that appear in the middle of a header block are - * not permitted. Also, for obvious reasons CONTINUATION frames - * cannot appear before headers, and DATA frames are not expected - * to appear before all headers are parsed. - */ - - if (ctx->type == NGX_HTTP_V2_DATA_FRAME - || (ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME - && !ctx->parsing_headers) - || (ctx->type != NGX_HTTP_V2_CONTINUATION_FRAME - && ctx->parsing_headers)) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent unexpected http2 frame: %d", - ctx->type); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (ctx->stream_id && ctx->stream_id != ctx->id) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent frame for unknown stream %ui", - ctx->stream_id); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - } - - /* frame payload */ - - if (ctx->type == NGX_HTTP_V2_RST_STREAM_FRAME) { - - rc = ngx_http_grpc_parse_rst_stream(r, ctx, b); - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream rejected request with error %ui", - ctx->error); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (ctx->type == NGX_HTTP_V2_GOAWAY_FRAME) { - - rc = ngx_http_grpc_parse_goaway(r, ctx, b); - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - /* - * If stream_id is lower than one we use, our - * request won't be processed and needs to be retried. - * If stream_id is greater or equal to the one we use, - * we can continue normally (except we can't use this - * connection for additional requests). If there is - * a real error, the connection will be closed. - */ - - if (ctx->stream_id < ctx->id) { - - /* TODO: we can retry non-idempotent requests */ - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent goaway with error %ui", - ctx->error); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - continue; - } - - if (ctx->type == NGX_HTTP_V2_WINDOW_UPDATE_FRAME) { - - rc = ngx_http_grpc_parse_window_update(r, ctx, b); - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (ctx->in) { - ngx_post_event(u->peer.connection->write, &ngx_posted_events); - } - - continue; - } - - if (ctx->type == NGX_HTTP_V2_SETTINGS_FRAME) { - - rc = ngx_http_grpc_parse_settings(r, ctx, b); - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (ctx->in) { - ngx_post_event(u->peer.connection->write, &ngx_posted_events); - } - - continue; - } - - if (ctx->type == NGX_HTTP_V2_PING_FRAME) { - - rc = ngx_http_grpc_parse_ping(r, ctx, b); - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - ngx_post_event(u->peer.connection->write, &ngx_posted_events); - continue; - } - - if (ctx->type == NGX_HTTP_V2_PUSH_PROMISE_FRAME) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent unexpected push promise frame"); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (ctx->type != NGX_HTTP_V2_HEADERS_FRAME - && ctx->type != NGX_HTTP_V2_CONTINUATION_FRAME) - { - /* priority, unknown frames */ - - if (b->last - b->pos < (ssize_t) ctx->rest) { - ctx->rest -= b->last - b->pos; - b->pos = b->last; - return NGX_AGAIN; - } - - b->pos += ctx->rest; - ctx->rest = 0; - ctx->state = ngx_http_grpc_st_start; - - continue; - } - - /* headers */ - - for ( ;; ) { - - rc = ngx_http_grpc_parse_header(r, ctx, b); - - if (rc == NGX_AGAIN) { - break; - } - - if (rc == NGX_OK) { - - /* a header line has been parsed successfully */ - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header: \"%V: %V\"", - &ctx->name, &ctx->value); - - if (ctx->name.len && ctx->name.data[0] == ':') { - - if (ctx->name.len != sizeof(":status") - 1 - || ngx_strncmp(ctx->name.data, ":status", - sizeof(":status") - 1) - != 0) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid header \"%V: %V\"", - &ctx->name, &ctx->value); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (ctx->status) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent duplicate :status header"); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - status_line = &ctx->value; - - if (status_line->len != 3) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid :status \"%V\"", - status_line); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - status = ngx_atoi(status_line->data, 3); - - if (status == NGX_ERROR) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid :status \"%V\"", - status_line); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (status < NGX_HTTP_OK) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent unexpected :status \"%V\"", - status_line); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - u->headers_in.status_n = status; - - if (u->state && u->state->status == 0) { - u->state->status = status; - } - - ctx->status = 1; - - continue; - - } else if (!ctx->status) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent no :status header"); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - h = ngx_list_push(&u->headers_in.headers); - if (h == NULL) { - return NGX_ERROR; - } - - h->key = ctx->name; - h->value = ctx->value; - h->lowcase_key = h->key.data; - h->hash = ngx_hash_key(h->key.data, h->key.len); - - hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, - h->lowcase_key, h->key.len); - - if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { - return NGX_ERROR; - } - - continue; - } - - if (rc == NGX_HTTP_PARSE_HEADER_DONE) { - - /* a whole header has been parsed successfully */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header done"); - - if (ctx->end_stream) { - u->headers_in.content_length_n = 0; - - if (ctx->in == NULL - && ctx->out == NULL - && ctx->output_closed - && !ctx->output_blocked - && b->last == b->pos) - { - u->keepalive = 1; - } - } - - return NGX_OK; - } - - /* there was error while a header line parsing */ - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid header"); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - /* rc == NGX_AGAIN */ - - if (ctx->rest == 0) { - ctx->state = ngx_http_grpc_st_start; - continue; - } - - return NGX_AGAIN; - } -} - - -static ngx_int_t -ngx_http_grpc_filter_init(void *data) -{ - ngx_http_grpc_ctx_t *ctx = data; - - ngx_http_request_t *r; - ngx_http_upstream_t *u; - - r = ctx->request; - u = r->upstream; - - u->length = 1; - - if (ctx->end_stream) { - u->length = 0; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_grpc_filter(void *data, ssize_t bytes) -{ - ngx_http_grpc_ctx_t *ctx = data; - - ngx_int_t rc; - ngx_buf_t *b, *buf; - ngx_chain_t *cl, **ll; - ngx_table_elt_t *h; - ngx_http_request_t *r; - ngx_http_upstream_t *u; - - r = ctx->request; - u = r->upstream; - b = &u->buffer; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc filter bytes:%z", bytes); - - b->pos = b->last; - b->last += bytes; - - for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { - ll = &cl->next; - } - - for ( ;; ) { - - if (ctx->state < ngx_http_grpc_st_payload) { - - rc = ngx_http_grpc_parse_frame(r, ctx, b); - - if (rc == NGX_AGAIN) { - - if (ctx->done) { - - /* - * We have finished parsing the response and the - * remaining control frames. If there are unsent - * control frames, post a write event to send them. - */ - - if (ctx->out) { - ngx_post_event(u->peer.connection->write, - &ngx_posted_events); - return NGX_AGAIN; - } - - u->length = 0; - - if (ctx->in == NULL - && ctx->output_closed - && !ctx->output_blocked - && ctx->state == ngx_http_grpc_st_start) - { - u->keepalive = 1; - } - - break; - } - - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - if ((ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME - && !ctx->parsing_headers) - || (ctx->type != NGX_HTTP_V2_CONTINUATION_FRAME - && ctx->parsing_headers)) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent unexpected http2 frame: %d", - ctx->type); - return NGX_ERROR; - } - - if (ctx->type == NGX_HTTP_V2_DATA_FRAME) { - - if (ctx->stream_id != ctx->id) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent data frame " - "for unknown stream %ui", - ctx->stream_id); - return NGX_ERROR; - } - - if (ctx->rest > ctx->recv_window) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream violated stream flow control, " - "received %uz data frame with window %uz", - ctx->rest, ctx->recv_window); - return NGX_ERROR; - } - - if (ctx->rest > ctx->connection->recv_window) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream violated connection flow control, " - "received %uz data frame with window %uz", - ctx->rest, ctx->connection->recv_window); - return NGX_ERROR; - } - - ctx->recv_window -= ctx->rest; - ctx->connection->recv_window -= ctx->rest; - - if (ctx->connection->recv_window < NGX_HTTP_V2_MAX_WINDOW / 4 - || ctx->recv_window < NGX_HTTP_V2_MAX_WINDOW / 4) - { - if (ngx_http_grpc_send_window_update(r, ctx) != NGX_OK) { - return NGX_ERROR; - } - - ngx_post_event(u->peer.connection->write, - &ngx_posted_events); - } - } - - if (ctx->stream_id && ctx->stream_id != ctx->id) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent frame for unknown stream %ui", - ctx->stream_id); - return NGX_ERROR; - } - - if (ctx->stream_id && ctx->done) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent frame for closed stream %ui", - ctx->stream_id); - return NGX_ERROR; - } - - ctx->padding = 0; - } - - if (ctx->state == ngx_http_grpc_st_padding) { - - if (b->last - b->pos < (ssize_t) ctx->rest) { - ctx->rest -= b->last - b->pos; - b->pos = b->last; - return NGX_AGAIN; - } - - b->pos += ctx->rest; - ctx->rest = 0; - ctx->state = ngx_http_grpc_st_start; - - if (ctx->flags & NGX_HTTP_V2_END_STREAM_FLAG) { - ctx->done = 1; - } - - continue; - } - - /* frame payload */ - - if (ctx->type == NGX_HTTP_V2_RST_STREAM_FRAME) { - - rc = ngx_http_grpc_parse_rst_stream(r, ctx, b); - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream rejected request with error %ui", - ctx->error); - - return NGX_ERROR; - } - - if (ctx->type == NGX_HTTP_V2_GOAWAY_FRAME) { - - rc = ngx_http_grpc_parse_goaway(r, ctx, b); - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - /* - * If stream_id is lower than one we use, our - * request won't be processed and needs to be retried. - * If stream_id is greater or equal to the one we use, - * we can continue normally (except we can't use this - * connection for additional requests). If there is - * a real error, the connection will be closed. - */ - - if (ctx->stream_id < ctx->id) { - - /* TODO: we can retry non-idempotent requests */ - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent goaway with error %ui", - ctx->error); - - return NGX_ERROR; - } - - continue; - } - - if (ctx->type == NGX_HTTP_V2_WINDOW_UPDATE_FRAME) { - - rc = ngx_http_grpc_parse_window_update(r, ctx, b); - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - if (ctx->in) { - ngx_post_event(u->peer.connection->write, &ngx_posted_events); - } - - continue; - } - - if (ctx->type == NGX_HTTP_V2_SETTINGS_FRAME) { - - rc = ngx_http_grpc_parse_settings(r, ctx, b); - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - if (ctx->in) { - ngx_post_event(u->peer.connection->write, &ngx_posted_events); - } - - continue; - } - - if (ctx->type == NGX_HTTP_V2_PING_FRAME) { - - rc = ngx_http_grpc_parse_ping(r, ctx, b); - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - ngx_post_event(u->peer.connection->write, &ngx_posted_events); - continue; - } - - if (ctx->type == NGX_HTTP_V2_PUSH_PROMISE_FRAME) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent unexpected push promise frame"); - return NGX_ERROR; - } - - if (ctx->type == NGX_HTTP_V2_HEADERS_FRAME - || ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME) - { - for ( ;; ) { - - rc = ngx_http_grpc_parse_header(r, ctx, b); - - if (rc == NGX_AGAIN) { - break; - } - - if (rc == NGX_OK) { - - /* a header line has been parsed successfully */ - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc trailer: \"%V: %V\"", - &ctx->name, &ctx->value); - - if (ctx->name.len && ctx->name.data[0] == ':') { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid " - "trailer \"%V: %V\"", - &ctx->name, &ctx->value); - return NGX_ERROR; - } - - h = ngx_list_push(&u->headers_in.trailers); - if (h == NULL) { - return NGX_ERROR; - } - - h->key = ctx->name; - h->value = ctx->value; - h->lowcase_key = h->key.data; - h->hash = ngx_hash_key(h->key.data, h->key.len); - - continue; - } - - if (rc == NGX_HTTP_PARSE_HEADER_DONE) { - - /* a whole header has been parsed successfully */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc trailer done"); - - if (ctx->end_stream) { - ctx->done = 1; - break; - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent trailer without " - "end stream flag"); - return NGX_ERROR; - } - - /* there was error while a header line parsing */ - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid trailer"); - - return NGX_ERROR; - } - - if (rc == NGX_HTTP_PARSE_HEADER_DONE) { - continue; - } - - /* rc == NGX_AGAIN */ - - if (ctx->rest == 0) { - ctx->state = ngx_http_grpc_st_start; - continue; - } - - return NGX_AGAIN; - } - - if (ctx->type != NGX_HTTP_V2_DATA_FRAME) { - - /* priority, unknown frames */ - - if (b->last - b->pos < (ssize_t) ctx->rest) { - ctx->rest -= b->last - b->pos; - b->pos = b->last; - return NGX_AGAIN; - } - - b->pos += ctx->rest; - ctx->rest = 0; - ctx->state = ngx_http_grpc_st_start; - - continue; - } - - /* - * data frame: - * - * +---------------+ - * |Pad Length? (8)| - * +---------------+-----------------------------------------------+ - * | Data (*) ... - * +---------------------------------------------------------------+ - * | Padding (*) ... - * +---------------------------------------------------------------+ - */ - - if (ctx->flags & NGX_HTTP_V2_PADDED_FLAG) { - - if (ctx->rest == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent too short http2 frame"); - return NGX_ERROR; - } - - if (b->pos == b->last) { - return NGX_AGAIN; - } - - ctx->flags &= ~NGX_HTTP_V2_PADDED_FLAG; - ctx->padding = *b->pos++; - ctx->rest -= 1; - - if (ctx->padding > ctx->rest) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent http2 frame with too long " - "padding: %d in frame %uz", - ctx->padding, ctx->rest); - return NGX_ERROR; - } - - continue; - } - - if (ctx->rest == ctx->padding) { - goto done; - } - - if (b->pos == b->last) { - return NGX_AGAIN; - } - - cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); - if (cl == NULL) { - return NGX_ERROR; - } - - *ll = cl; - ll = &cl->next; - - buf = cl->buf; - - buf->flush = 1; - buf->memory = 1; - - buf->pos = b->pos; - buf->tag = u->output.tag; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc output buf %p", buf->pos); - - if (b->last - b->pos < (ssize_t) ctx->rest - ctx->padding) { - - ctx->rest -= b->last - b->pos; - b->pos = b->last; - buf->last = b->pos; - - return NGX_AGAIN; - } - - b->pos += ctx->rest - ctx->padding; - buf->last = b->pos; - ctx->rest = ctx->padding; - - done: - - if (ctx->padding) { - ctx->state = ngx_http_grpc_st_padding; - continue; - } - - ctx->state = ngx_http_grpc_st_start; - - if (ctx->flags & NGX_HTTP_V2_END_STREAM_FLAG) { - ctx->done = 1; - } - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_grpc_parse_frame(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, - ngx_buf_t *b) -{ - u_char ch, *p; - ngx_http_grpc_state_e state; - - state = ctx->state; - - for (p = b->pos; p < b->last; p++) { - ch = *p; - -#if 0 - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc frame byte: %02Xd, s:%d", ch, state); -#endif - - switch (state) { - - case ngx_http_grpc_st_start: - ctx->rest = ch << 16; - state = ngx_http_grpc_st_length_2; - break; - - case ngx_http_grpc_st_length_2: - ctx->rest |= ch << 8; - state = ngx_http_grpc_st_length_3; - break; - - case ngx_http_grpc_st_length_3: - ctx->rest |= ch; - - if (ctx->rest > NGX_HTTP_V2_DEFAULT_FRAME_SIZE) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent too large http2 frame: %uz", - ctx->rest); - return NGX_ERROR; - } - - state = ngx_http_grpc_st_type; - break; - - case ngx_http_grpc_st_type: - ctx->type = ch; - state = ngx_http_grpc_st_flags; - break; - - case ngx_http_grpc_st_flags: - ctx->flags = ch; - state = ngx_http_grpc_st_stream_id; - break; - - case ngx_http_grpc_st_stream_id: - ctx->stream_id = (ch & 0x7f) << 24; - state = ngx_http_grpc_st_stream_id_2; - break; - - case ngx_http_grpc_st_stream_id_2: - ctx->stream_id |= ch << 16; - state = ngx_http_grpc_st_stream_id_3; - break; - - case ngx_http_grpc_st_stream_id_3: - ctx->stream_id |= ch << 8; - state = ngx_http_grpc_st_stream_id_4; - break; - - case ngx_http_grpc_st_stream_id_4: - ctx->stream_id |= ch; - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc frame: %d, len: %uz, f:%d, i:%ui", - ctx->type, ctx->rest, ctx->flags, ctx->stream_id); - - b->pos = p + 1; - - ctx->state = ngx_http_grpc_st_payload; - ctx->frame_state = 0; - - return NGX_OK; - - /* suppress warning */ - case ngx_http_grpc_st_payload: - case ngx_http_grpc_st_padding: - break; - } - } - - b->pos = p; - ctx->state = state; - - return NGX_AGAIN; -} - - -static ngx_int_t -ngx_http_grpc_parse_header(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, - ngx_buf_t *b) -{ - u_char ch, *p, *last; - size_t min; - ngx_int_t rc; - enum { - sw_start = 0, - sw_padding_length, - sw_dependency, - sw_dependency_2, - sw_dependency_3, - sw_dependency_4, - sw_weight, - sw_fragment, - sw_padding - } state; - - state = ctx->frame_state; - - if (state == sw_start) { - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc parse header: start"); - - if (ctx->type == NGX_HTTP_V2_HEADERS_FRAME) { - ctx->parsing_headers = 1; - ctx->fragment_state = 0; - - min = (ctx->flags & NGX_HTTP_V2_PADDED_FLAG ? 1 : 0) - + (ctx->flags & NGX_HTTP_V2_PRIORITY_FLAG ? 5 : 0); - - if (ctx->rest < min) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent headers frame " - "with invalid length: %uz", - ctx->rest); - return NGX_ERROR; - } - - if (ctx->flags & NGX_HTTP_V2_END_STREAM_FLAG) { - ctx->end_stream = 1; - } - - if (ctx->flags & NGX_HTTP_V2_PADDED_FLAG) { - state = sw_padding_length; - - } else if (ctx->flags & NGX_HTTP_V2_PRIORITY_FLAG) { - state = sw_dependency; - - } else { - state = sw_fragment; - } - - } else if (ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME) { - state = sw_fragment; - } - - ctx->padding = 0; - ctx->frame_state = state; - } - - if (state < sw_fragment) { - - if (b->last - b->pos < (ssize_t) ctx->rest) { - last = b->last; - - } else { - last = b->pos + ctx->rest; - } - - for (p = b->pos; p < last; p++) { - ch = *p; - -#if 0 - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header byte: %02Xd s:%d", ch, state); -#endif - - /* - * headers frame: - * - * +---------------+ - * |Pad Length? (8)| - * +-+-------------+----------------------------------------------+ - * |E| Stream Dependency? (31) | - * +-+-------------+----------------------------------------------+ - * | Weight? (8) | - * +-+-------------+----------------------------------------------+ - * | Header Block Fragment (*) ... - * +--------------------------------------------------------------+ - * | Padding (*) ... - * +--------------------------------------------------------------+ - */ - - switch (state) { - - case sw_padding_length: - - ctx->padding = ch; - - if (ctx->flags & NGX_HTTP_V2_PRIORITY_FLAG) { - state = sw_dependency; - break; - } - - goto fragment; - - case sw_dependency: - state = sw_dependency_2; - break; - - case sw_dependency_2: - state = sw_dependency_3; - break; - - case sw_dependency_3: - state = sw_dependency_4; - break; - - case sw_dependency_4: - state = sw_weight; - break; - - case sw_weight: - goto fragment; - - /* suppress warning */ - case sw_start: - case sw_fragment: - case sw_padding: - break; - } - } - - ctx->rest -= p - b->pos; - b->pos = p; - - ctx->frame_state = state; - return NGX_AGAIN; - - fragment: - - p++; - ctx->rest -= p - b->pos; - b->pos = p; - - if (ctx->padding > ctx->rest) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent http2 frame with too long " - "padding: %d in frame %uz", - ctx->padding, ctx->rest); - return NGX_ERROR; - } - - state = sw_fragment; - ctx->frame_state = state; - } - - if (state == sw_fragment) { - - rc = ngx_http_grpc_parse_fragment(r, ctx, b); - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - if (rc == NGX_OK) { - return NGX_OK; - } - - /* rc == NGX_DONE */ - - state = sw_padding; - ctx->frame_state = state; - } - - if (state == sw_padding) { - - if (b->last - b->pos < (ssize_t) ctx->rest) { - - ctx->rest -= b->last - b->pos; - b->pos = b->last; - - return NGX_AGAIN; - } - - b->pos += ctx->rest; - ctx->rest = 0; - - ctx->state = ngx_http_grpc_st_start; - - if (ctx->flags & NGX_HTTP_V2_END_HEADERS_FLAG) { - - if (ctx->fragment_state) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent truncated http2 header"); - return NGX_ERROR; - } - - ctx->parsing_headers = 0; - - return NGX_HTTP_PARSE_HEADER_DONE; - } - - return NGX_AGAIN; - } - - /* unreachable */ - - return NGX_ERROR; -} - - -static ngx_int_t -ngx_http_grpc_parse_fragment(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, - ngx_buf_t *b) -{ - u_char ch, *p, *last; - size_t size; - ngx_uint_t index, size_update; - enum { - sw_start = 0, - sw_index, - sw_name_length, - sw_name_length_2, - sw_name_length_3, - sw_name_length_4, - sw_name, - sw_name_bytes, - sw_value_length, - sw_value_length_2, - sw_value_length_3, - sw_value_length_4, - sw_value, - sw_value_bytes - } state; - - /* header block fragment */ - -#if 0 - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header fragment %p:%p rest:%uz", - b->pos, b->last, ctx->rest); -#endif - - if (b->last - b->pos < (ssize_t) ctx->rest - ctx->padding) { - last = b->last; - - } else { - last = b->pos + ctx->rest - ctx->padding; - } - - state = ctx->fragment_state; - - for (p = b->pos; p < last; p++) { - ch = *p; - -#if 0 - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header byte: %02Xd s:%d", ch, state); -#endif - - switch (state) { - - case sw_start: - ctx->index = 0; - - if ((ch & 0x80) == 0x80) { - /* - * indexed header: - * - * 0 1 2 3 4 5 6 7 - * +---+---+---+---+---+---+---+---+ - * | 1 | Index (7+) | - * +---+---------------------------+ - */ - - index = ch & ~0x80; - - if (index == 0 || index > 61) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid http2 " - "table index: %ui", index); - return NGX_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc indexed header: %ui", index); - - ctx->index = index; - ctx->literal = 0; - - goto done; - - } else if ((ch & 0xc0) == 0x40) { - /* - * literal header with incremental indexing: - * - * 0 1 2 3 4 5 6 7 - * +---+---+---+---+---+---+---+---+ - * | 0 | 1 | Index (6+) | - * +---+---+-----------------------+ - * | H | Value Length (7+) | - * +---+---------------------------+ - * | Value String (Length octets) | - * +-------------------------------+ - * - * 0 1 2 3 4 5 6 7 - * +---+---+---+---+---+---+---+---+ - * | 0 | 1 | 0 | - * +---+---+-----------------------+ - * | H | Name Length (7+) | - * +---+---------------------------+ - * | Name String (Length octets) | - * +---+---------------------------+ - * | H | Value Length (7+) | - * +---+---------------------------+ - * | Value String (Length octets) | - * +-------------------------------+ - */ - - index = ch & ~0xc0; - - if (index > 61) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid http2 " - "table index: %ui", index); - return NGX_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc literal header: %ui", index); - - if (index == 0) { - state = sw_name_length; - break; - } - - ctx->index = index; - ctx->literal = 1; - - state = sw_value_length; - break; - - } else if ((ch & 0xe0) == 0x20) { - /* - * dynamic table size update: - * - * 0 1 2 3 4 5 6 7 - * +---+---+---+---+---+---+---+---+ - * | 0 | 0 | 1 | Max size (5+) | - * +---+---------------------------+ - */ - - size_update = ch & ~0xe0; - - if (size_update > 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid http2 " - "dynamic table size update: %ui", - size_update); - return NGX_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc table size update: %ui", size_update); - - break; - - } else if ((ch & 0xf0) == 0x10) { - /* - * literal header field never indexed: - * - * 0 1 2 3 4 5 6 7 - * +---+---+---+---+---+---+---+---+ - * | 0 | 0 | 0 | 1 | Index (4+) | - * +---+---+-----------------------+ - * | H | Value Length (7+) | - * +---+---------------------------+ - * | Value String (Length octets) | - * +-------------------------------+ - * - * 0 1 2 3 4 5 6 7 - * +---+---+---+---+---+---+---+---+ - * | 0 | 0 | 0 | 1 | 0 | - * +---+---+-----------------------+ - * | H | Name Length (7+) | - * +---+---------------------------+ - * | Name String (Length octets) | - * +---+---------------------------+ - * | H | Value Length (7+) | - * +---+---------------------------+ - * | Value String (Length octets) | - * +-------------------------------+ - */ - - index = ch & ~0xf0; - - if (index == 0x0f) { - ctx->index = index; - ctx->literal = 1; - state = sw_index; - break; - } - - if (index == 0) { - state = sw_name_length; - break; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc literal header never indexed: %ui", - index); - - ctx->index = index; - ctx->literal = 1; - - state = sw_value_length; - break; - - } else if ((ch & 0xf0) == 0x00) { - /* - * literal header field without indexing: - * - * 0 1 2 3 4 5 6 7 - * +---+---+---+---+---+---+---+---+ - * | 0 | 0 | 0 | 0 | Index (4+) | - * +---+---+-----------------------+ - * | H | Value Length (7+) | - * +---+---------------------------+ - * | Value String (Length octets) | - * +-------------------------------+ - * - * 0 1 2 3 4 5 6 7 - * +---+---+---+---+---+---+---+---+ - * | 0 | 0 | 0 | 0 | 0 | - * +---+---+-----------------------+ - * | H | Name Length (7+) | - * +---+---------------------------+ - * | Name String (Length octets) | - * +---+---------------------------+ - * | H | Value Length (7+) | - * +---+---------------------------+ - * | Value String (Length octets) | - * +-------------------------------+ - */ - - index = ch & ~0xf0; - - if (index == 0x0f) { - ctx->index = index; - ctx->literal = 1; - state = sw_index; - break; - } - - if (index == 0) { - state = sw_name_length; - break; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc literal header without indexing: %ui", - index); - - ctx->index = index; - ctx->literal = 1; - - state = sw_value_length; - break; - } - - /* not reached */ - - return NGX_ERROR; - - case sw_index: - ctx->index = ctx->index + (ch & ~0x80); - - if (ch & 0x80) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent http2 table index " - "with continuation flag"); - return NGX_ERROR; - } - - if (ctx->index > 61) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid http2 " - "table index: %ui", ctx->index); - return NGX_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc header index: %ui", ctx->index); - - state = sw_value_length; - break; - - case sw_name_length: - ctx->field_huffman = ch & 0x80 ? 1 : 0; - ctx->field_length = ch & ~0x80; - - if (ctx->field_length == 0x7f) { - state = sw_name_length_2; - break; - } - - if (ctx->field_length == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent zero http2 " - "header name length"); - return NGX_ERROR; - } - - state = sw_name; - break; - - case sw_name_length_2: - ctx->field_length += ch & ~0x80; - - if (ch & 0x80) { - state = sw_name_length_3; - break; - } - - state = sw_name; - break; - - case sw_name_length_3: - ctx->field_length += (ch & ~0x80) << 7; - - if (ch & 0x80) { - state = sw_name_length_4; - break; - } - - state = sw_name; - break; - - case sw_name_length_4: - ctx->field_length += (ch & ~0x80) << 14; - - if (ch & 0x80) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent too large http2 " - "header name length"); - return NGX_ERROR; - } - - state = sw_name; - break; - - case sw_name: - ctx->name.len = ctx->field_huffman ? - ctx->field_length * 8 / 5 : ctx->field_length; - - ctx->name.data = ngx_pnalloc(r->pool, ctx->name.len + 1); - if (ctx->name.data == NULL) { - return NGX_ERROR; - } - - ctx->field_end = ctx->name.data; - ctx->field_rest = ctx->field_length; - ctx->field_state = 0; - - state = sw_name_bytes; - - /* fall through */ - - case sw_name_bytes: - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc name: len:%uz h:%d last:%uz, rest:%uz", - ctx->field_length, - ctx->field_huffman, - last - p, - ctx->rest - (p - b->pos)); - - size = ngx_min(last - p, (ssize_t) ctx->field_rest); - ctx->field_rest -= size; - - if (ctx->field_huffman) { - if (ngx_http_v2_huff_decode(&ctx->field_state, p, size, - &ctx->field_end, - ctx->field_rest == 0, - r->connection->log) - != NGX_OK) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid encoded header"); - return NGX_ERROR; - } - - ctx->name.len = ctx->field_end - ctx->name.data; - ctx->name.data[ctx->name.len] = '\0'; - - } else { - ctx->field_end = ngx_cpymem(ctx->field_end, p, size); - ctx->name.data[ctx->name.len] = '\0'; - } - - p += size - 1; - - if (ctx->field_rest == 0) { - state = sw_value_length; - } - - break; - - case sw_value_length: - ctx->field_huffman = ch & 0x80 ? 1 : 0; - ctx->field_length = ch & ~0x80; - - if (ctx->field_length == 0x7f) { - state = sw_value_length_2; - break; - } - - if (ctx->field_length == 0) { - ngx_str_set(&ctx->value, ""); - goto done; - } - - state = sw_value; - break; - - case sw_value_length_2: - ctx->field_length += ch & ~0x80; - - if (ch & 0x80) { - state = sw_value_length_3; - break; - } - - state = sw_value; - break; - - case sw_value_length_3: - ctx->field_length += (ch & ~0x80) << 7; - - if (ch & 0x80) { - state = sw_value_length_4; - break; - } - - state = sw_value; - break; - - case sw_value_length_4: - ctx->field_length += (ch & ~0x80) << 14; - - if (ch & 0x80) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent too large http2 " - "header value length"); - return NGX_ERROR; - } - - state = sw_value; - break; - - case sw_value: - ctx->value.len = ctx->field_huffman ? - ctx->field_length * 8 / 5 : ctx->field_length; - - ctx->value.data = ngx_pnalloc(r->pool, ctx->value.len + 1); - if (ctx->value.data == NULL) { - return NGX_ERROR; - } - - ctx->field_end = ctx->value.data; - ctx->field_rest = ctx->field_length; - ctx->field_state = 0; - - state = sw_value_bytes; - - /* fall through */ - - case sw_value_bytes: - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc value: len:%uz h:%d last:%uz, rest:%uz", - ctx->field_length, - ctx->field_huffman, - last - p, - ctx->rest - (p - b->pos)); - - size = ngx_min(last - p, (ssize_t) ctx->field_rest); - ctx->field_rest -= size; - - if (ctx->field_huffman) { - if (ngx_http_v2_huff_decode(&ctx->field_state, p, size, - &ctx->field_end, - ctx->field_rest == 0, - r->connection->log) - != NGX_OK) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid encoded header"); - return NGX_ERROR; - } - - ctx->value.len = ctx->field_end - ctx->value.data; - ctx->value.data[ctx->value.len] = '\0'; - - } else { - ctx->field_end = ngx_cpymem(ctx->field_end, p, size); - ctx->value.data[ctx->value.len] = '\0'; - } - - p += size - 1; - - if (ctx->field_rest == 0) { - goto done; - } - - break; - } - - continue; - - done: - - p++; - ctx->rest -= p - b->pos; - ctx->fragment_state = sw_start; - b->pos = p; - - if (ctx->index) { - ctx->name = *ngx_http_v2_get_static_name(ctx->index); - } - - if (ctx->index && !ctx->literal) { - ctx->value = *ngx_http_v2_get_static_value(ctx->index); - } - - if (!ctx->index) { - if (ngx_http_grpc_validate_header_name(r, &ctx->name) != NGX_OK) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid header: \"%V: %V\"", - &ctx->name, &ctx->value); - return NGX_ERROR; - } - } - - if (!ctx->index || ctx->literal) { - if (ngx_http_grpc_validate_header_value(r, &ctx->value) != NGX_OK) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid header: \"%V: %V\"", - &ctx->name, &ctx->value); - return NGX_ERROR; - } - } - - return NGX_OK; - } - - ctx->rest -= p - b->pos; - ctx->fragment_state = state; - b->pos = p; - - if (ctx->rest > ctx->padding) { - return NGX_AGAIN; - } - - return NGX_DONE; -} - - -static ngx_int_t -ngx_http_grpc_validate_header_name(ngx_http_request_t *r, ngx_str_t *s) -{ - u_char ch; - ngx_uint_t i; - - for (i = 0; i < s->len; i++) { - ch = s->data[i]; - - if (ch == ':' && i > 0) { - return NGX_ERROR; - } - - if (ch >= 'A' && ch <= 'Z') { - return NGX_ERROR; - } - - if (ch == '\0' || ch == CR || ch == LF) { - return NGX_ERROR; - } - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_grpc_validate_header_value(ngx_http_request_t *r, ngx_str_t *s) -{ - u_char ch; - ngx_uint_t i; - - for (i = 0; i < s->len; i++) { - ch = s->data[i]; - - if (ch == '\0' || ch == CR || ch == LF) { - return NGX_ERROR; - } - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_grpc_parse_rst_stream(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, - ngx_buf_t *b) -{ - u_char ch, *p, *last; - enum { - sw_start = 0, - sw_error_2, - sw_error_3, - sw_error_4 - } state; - - if (b->last - b->pos < (ssize_t) ctx->rest) { - last = b->last; - - } else { - last = b->pos + ctx->rest; - } - - state = ctx->frame_state; - - if (state == sw_start) { - if (ctx->rest != 4) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent rst stream frame " - "with invalid length: %uz", - ctx->rest); - return NGX_ERROR; - } - } - - for (p = b->pos; p < last; p++) { - ch = *p; - -#if 0 - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc rst byte: %02Xd s:%d", ch, state); -#endif - - switch (state) { - - case sw_start: - ctx->error = (ngx_uint_t) ch << 24; - state = sw_error_2; - break; - - case sw_error_2: - ctx->error |= ch << 16; - state = sw_error_3; - break; - - case sw_error_3: - ctx->error |= ch << 8; - state = sw_error_4; - break; - - case sw_error_4: - ctx->error |= ch; - state = sw_start; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc error: %ui", ctx->error); - - break; - } - } - - ctx->rest -= p - b->pos; - ctx->frame_state = state; - b->pos = p; - - if (ctx->rest > 0) { - return NGX_AGAIN; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_grpc_parse_goaway(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, - ngx_buf_t *b) -{ - u_char ch, *p, *last; - enum { - sw_start = 0, - sw_last_stream_id_2, - sw_last_stream_id_3, - sw_last_stream_id_4, - sw_error, - sw_error_2, - sw_error_3, - sw_error_4, - sw_debug - } state; - - if (b->last - b->pos < (ssize_t) ctx->rest) { - last = b->last; - - } else { - last = b->pos + ctx->rest; - } - - state = ctx->frame_state; - - if (state == sw_start) { - - if (ctx->stream_id) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent goaway frame " - "with non-zero stream id: %ui", - ctx->stream_id); - return NGX_ERROR; - } - - if (ctx->rest < 8) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent goaway frame " - "with invalid length: %uz", - ctx->rest); - return NGX_ERROR; - } - } - - for (p = b->pos; p < last; p++) { - ch = *p; - -#if 0 - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc goaway byte: %02Xd s:%d", ch, state); -#endif - - switch (state) { - - case sw_start: - ctx->stream_id = (ch & 0x7f) << 24; - state = sw_last_stream_id_2; - break; - - case sw_last_stream_id_2: - ctx->stream_id |= ch << 16; - state = sw_last_stream_id_3; - break; - - case sw_last_stream_id_3: - ctx->stream_id |= ch << 8; - state = sw_last_stream_id_4; - break; - - case sw_last_stream_id_4: - ctx->stream_id |= ch; - state = sw_error; - break; - - case sw_error: - ctx->error = (ngx_uint_t) ch << 24; - state = sw_error_2; - break; - - case sw_error_2: - ctx->error |= ch << 16; - state = sw_error_3; - break; - - case sw_error_3: - ctx->error |= ch << 8; - state = sw_error_4; - break; - - case sw_error_4: - ctx->error |= ch; - state = sw_debug; - break; - - case sw_debug: - break; - } - } - - ctx->rest -= p - b->pos; - ctx->frame_state = state; - b->pos = p; - - if (ctx->rest > 0) { - return NGX_AGAIN; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc goaway: %ui, stream %ui", - ctx->error, ctx->stream_id); - - ctx->state = ngx_http_grpc_st_start; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_grpc_parse_window_update(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b) -{ - u_char ch, *p, *last; - enum { - sw_start = 0, - sw_size_2, - sw_size_3, - sw_size_4 - } state; - - if (b->last - b->pos < (ssize_t) ctx->rest) { - last = b->last; - - } else { - last = b->pos + ctx->rest; - } - - state = ctx->frame_state; - - if (state == sw_start) { - if (ctx->rest != 4) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent window update frame " - "with invalid length: %uz", - ctx->rest); - return NGX_ERROR; - } - } - - for (p = b->pos; p < last; p++) { - ch = *p; - -#if 0 - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc window update byte: %02Xd s:%d", ch, state); -#endif - - switch (state) { - - case sw_start: - ctx->window_update = (ch & 0x7f) << 24; - state = sw_size_2; - break; - - case sw_size_2: - ctx->window_update |= ch << 16; - state = sw_size_3; - break; - - case sw_size_3: - ctx->window_update |= ch << 8; - state = sw_size_4; - break; - - case sw_size_4: - ctx->window_update |= ch; - state = sw_start; - break; - } - } - - ctx->rest -= p - b->pos; - ctx->frame_state = state; - b->pos = p; - - if (ctx->rest > 0) { - return NGX_AGAIN; - } - - ctx->state = ngx_http_grpc_st_start; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc window update: %ui", ctx->window_update); - - if (ctx->stream_id) { - - if (ctx->window_update > (size_t) NGX_HTTP_V2_MAX_WINDOW - - ctx->send_window) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent too large window update"); - return NGX_ERROR; - } - - ctx->send_window += ctx->window_update; - - } else { - - if (ctx->window_update > NGX_HTTP_V2_MAX_WINDOW - - ctx->connection->send_window) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent too large window update"); - return NGX_ERROR; - } - - ctx->connection->send_window += ctx->window_update; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_grpc_parse_settings(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, - ngx_buf_t *b) -{ - u_char ch, *p, *last; - ssize_t window_update; - enum { - sw_start = 0, - sw_id, - sw_id_2, - sw_value, - sw_value_2, - sw_value_3, - sw_value_4 - } state; - - if (b->last - b->pos < (ssize_t) ctx->rest) { - last = b->last; - - } else { - last = b->pos + ctx->rest; - } - - state = ctx->frame_state; - - if (state == sw_start) { - - if (ctx->stream_id) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent settings frame " - "with non-zero stream id: %ui", - ctx->stream_id); - return NGX_ERROR; - } - - if (ctx->flags & NGX_HTTP_V2_ACK_FLAG) { - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc settings ack"); - - if (ctx->rest != 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent settings frame " - "with ack flag and non-zero length: %uz", - ctx->rest); - return NGX_ERROR; - } - - ctx->state = ngx_http_grpc_st_start; - - return NGX_OK; - } - - if (ctx->rest % 6 != 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent settings frame " - "with invalid length: %uz", - ctx->rest); - return NGX_ERROR; - } - - if (ctx->free == NULL && ctx->settings++ > 1000) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent too many settings frames"); - return NGX_ERROR; - } - } - - for (p = b->pos; p < last; p++) { - ch = *p; - -#if 0 - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc settings byte: %02Xd s:%d", ch, state); -#endif - - switch (state) { - - case sw_start: - case sw_id: - ctx->setting_id = ch << 8; - state = sw_id_2; - break; - - case sw_id_2: - ctx->setting_id |= ch; - state = sw_value; - break; - - case sw_value: - ctx->setting_value = (ngx_uint_t) ch << 24; - state = sw_value_2; - break; - - case sw_value_2: - ctx->setting_value |= ch << 16; - state = sw_value_3; - break; - - case sw_value_3: - ctx->setting_value |= ch << 8; - state = sw_value_4; - break; - - case sw_value_4: - ctx->setting_value |= ch; - state = sw_id; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc setting: %ui %ui", - ctx->setting_id, ctx->setting_value); - - /* - * The following settings are defined by the protocol: - * - * SETTINGS_HEADER_TABLE_SIZE, SETTINGS_ENABLE_PUSH, - * SETTINGS_MAX_CONCURRENT_STREAMS, SETTINGS_INITIAL_WINDOW_SIZE, - * SETTINGS_MAX_FRAME_SIZE, SETTINGS_MAX_HEADER_LIST_SIZE - * - * Only SETTINGS_INITIAL_WINDOW_SIZE seems to be needed in - * a simple client. - */ - - if (ctx->setting_id == 0x04) { - /* SETTINGS_INITIAL_WINDOW_SIZE */ - - if (ctx->setting_value > NGX_HTTP_V2_MAX_WINDOW) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent settings frame " - "with too large initial window size: %ui", - ctx->setting_value); - return NGX_ERROR; - } - - window_update = ctx->setting_value - - ctx->connection->init_window; - ctx->connection->init_window = ctx->setting_value; - - if (ctx->send_window > 0 - && window_update > (ssize_t) NGX_HTTP_V2_MAX_WINDOW - - ctx->send_window) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent settings frame " - "with too large initial window size: %ui", - ctx->setting_value); - return NGX_ERROR; - } - - ctx->send_window += window_update; - } - - break; - } - } - - ctx->rest -= p - b->pos; - ctx->frame_state = state; - b->pos = p; - - if (ctx->rest > 0) { - return NGX_AGAIN; - } - - ctx->state = ngx_http_grpc_st_start; - - return ngx_http_grpc_send_settings_ack(r, ctx); -} - - -static ngx_int_t -ngx_http_grpc_parse_ping(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b) -{ - u_char ch, *p, *last; - enum { - sw_start = 0, - sw_data_2, - sw_data_3, - sw_data_4, - sw_data_5, - sw_data_6, - sw_data_7, - sw_data_8 - } state; - - if (b->last - b->pos < (ssize_t) ctx->rest) { - last = b->last; - - } else { - last = b->pos + ctx->rest; - } - - state = ctx->frame_state; - - if (state == sw_start) { - - if (ctx->stream_id) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent ping frame " - "with non-zero stream id: %ui", - ctx->stream_id); - return NGX_ERROR; - } - - if (ctx->rest != 8) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent ping frame " - "with invalid length: %uz", - ctx->rest); - return NGX_ERROR; - } - - if (ctx->flags & NGX_HTTP_V2_ACK_FLAG) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent ping frame with ack flag"); - return NGX_ERROR; - } - - if (ctx->free == NULL && ctx->pings++ > 1000) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent too many ping frames"); - return NGX_ERROR; - } - } - - for (p = b->pos; p < last; p++) { - ch = *p; - -#if 0 - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc ping byte: %02Xd s:%d", ch, state); -#endif - - if (state < sw_data_8) { - ctx->ping_data[state] = ch; - state++; - - } else { - ctx->ping_data[7] = ch; - state = sw_start; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc ping"); - } - } - - ctx->rest -= p - b->pos; - ctx->frame_state = state; - b->pos = p; - - if (ctx->rest > 0) { - return NGX_AGAIN; - } - - ctx->state = ngx_http_grpc_st_start; - - return ngx_http_grpc_send_ping_ack(r, ctx); -} - - -static ngx_int_t -ngx_http_grpc_send_settings_ack(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx) -{ - ngx_chain_t *cl, **ll; - ngx_http_grpc_frame_t *f; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc send settings ack"); - - for (cl = ctx->out, ll = &ctx->out; cl; cl = cl->next) { - ll = &cl->next; - } - - cl = ngx_http_grpc_get_buf(r, ctx); - if (cl == NULL) { - return NGX_ERROR; - } - - f = (ngx_http_grpc_frame_t *) cl->buf->last; - cl->buf->last += sizeof(ngx_http_grpc_frame_t); - - f->length_0 = 0; - f->length_1 = 0; - f->length_2 = 0; - f->type = NGX_HTTP_V2_SETTINGS_FRAME; - f->flags = NGX_HTTP_V2_ACK_FLAG; - f->stream_id_0 = 0; - f->stream_id_1 = 0; - f->stream_id_2 = 0; - f->stream_id_3 = 0; - - *ll = cl; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_grpc_send_ping_ack(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx) -{ - ngx_chain_t *cl, **ll; - ngx_http_grpc_frame_t *f; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc send ping ack"); - - for (cl = ctx->out, ll = &ctx->out; cl; cl = cl->next) { - ll = &cl->next; - } - - cl = ngx_http_grpc_get_buf(r, ctx); - if (cl == NULL) { - return NGX_ERROR; - } - - f = (ngx_http_grpc_frame_t *) cl->buf->last; - cl->buf->last += sizeof(ngx_http_grpc_frame_t); - - f->length_0 = 0; - f->length_1 = 0; - f->length_2 = 8; - f->type = NGX_HTTP_V2_PING_FRAME; - f->flags = NGX_HTTP_V2_ACK_FLAG; - f->stream_id_0 = 0; - f->stream_id_1 = 0; - f->stream_id_2 = 0; - f->stream_id_3 = 0; - - cl->buf->last = ngx_copy(cl->buf->last, ctx->ping_data, 8); - - *ll = cl; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_grpc_send_window_update(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx) -{ - size_t n; - ngx_chain_t *cl, **ll; - ngx_http_grpc_frame_t *f; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "grpc send window update: %uz %uz", - ctx->connection->recv_window, ctx->recv_window); - - for (cl = ctx->out, ll = &ctx->out; cl; cl = cl->next) { - ll = &cl->next; - } - - cl = ngx_http_grpc_get_buf(r, ctx); - if (cl == NULL) { - return NGX_ERROR; - } - - f = (ngx_http_grpc_frame_t *) cl->buf->last; - cl->buf->last += sizeof(ngx_http_grpc_frame_t); - - f->length_0 = 0; - f->length_1 = 0; - f->length_2 = 4; - f->type = NGX_HTTP_V2_WINDOW_UPDATE_FRAME; - f->flags = 0; - f->stream_id_0 = 0; - f->stream_id_1 = 0; - f->stream_id_2 = 0; - f->stream_id_3 = 0; - - n = NGX_HTTP_V2_MAX_WINDOW - ctx->connection->recv_window; - ctx->connection->recv_window = NGX_HTTP_V2_MAX_WINDOW; - - *cl->buf->last++ = (u_char) ((n >> 24) & 0xff); - *cl->buf->last++ = (u_char) ((n >> 16) & 0xff); - *cl->buf->last++ = (u_char) ((n >> 8) & 0xff); - *cl->buf->last++ = (u_char) (n & 0xff); - - f = (ngx_http_grpc_frame_t *) cl->buf->last; - cl->buf->last += sizeof(ngx_http_grpc_frame_t); - - f->length_0 = 0; - f->length_1 = 0; - f->length_2 = 4; - f->type = NGX_HTTP_V2_WINDOW_UPDATE_FRAME; - f->flags = 0; - f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); - f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); - f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); - f->stream_id_3 = (u_char) (ctx->id & 0xff); - - n = NGX_HTTP_V2_MAX_WINDOW - ctx->recv_window; - ctx->recv_window = NGX_HTTP_V2_MAX_WINDOW; - - *cl->buf->last++ = (u_char) ((n >> 24) & 0xff); - *cl->buf->last++ = (u_char) ((n >> 16) & 0xff); - *cl->buf->last++ = (u_char) ((n >> 8) & 0xff); - *cl->buf->last++ = (u_char) (n & 0xff); - - *ll = cl; - - return NGX_OK; -} - - -static ngx_chain_t * -ngx_http_grpc_get_buf(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx) -{ - u_char *start; - ngx_buf_t *b; - ngx_chain_t *cl; - - cl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (cl == NULL) { - return NULL; - } - - b = cl->buf; - start = b->start; - - if (start == NULL) { - - /* - * each buffer is large enough to hold two window update - * frames in a row - */ - - start = ngx_palloc(r->pool, 2 * sizeof(ngx_http_grpc_frame_t) + 8); - if (start == NULL) { - return NULL; - } - - } - - ngx_memzero(b, sizeof(ngx_buf_t)); - - b->start = start; - b->pos = start; - b->last = start; - b->end = start + 2 * sizeof(ngx_http_grpc_frame_t) + 8; - - b->tag = (ngx_buf_tag_t) &ngx_http_grpc_body_output_filter; - b->temporary = 1; - b->flush = 1; - - return cl; -} - - -static ngx_http_grpc_ctx_t * -ngx_http_grpc_get_ctx(ngx_http_request_t *r) -{ - ngx_http_grpc_ctx_t *ctx; - ngx_http_upstream_t *u; - - ctx = ngx_http_get_module_ctx(r, ngx_http_grpc_module); - - if (ctx->connection == NULL) { - u = r->upstream; - - if (ngx_http_grpc_get_connection_data(r, ctx, &u->peer) != NGX_OK) { - return NULL; - } - } - - return ctx; -} - - -static ngx_int_t -ngx_http_grpc_get_connection_data(ngx_http_request_t *r, - ngx_http_grpc_ctx_t *ctx, ngx_peer_connection_t *pc) -{ - ngx_connection_t *c; - ngx_pool_cleanup_t *cln; - - c = pc->connection; - - if (pc->cached) { - - /* - * for cached connections, connection data can be found - * in the cleanup handler - */ - - for (cln = c->pool->cleanup; cln; cln = cln->next) { - if (cln->handler == ngx_http_grpc_cleanup) { - ctx->connection = cln->data; - break; - } - } - - if (ctx->connection == NULL) { - ngx_log_error(NGX_LOG_ERR, c->log, 0, - "no connection data found for " - "keepalive http2 connection"); - return NGX_ERROR; - } - - ctx->send_window = ctx->connection->init_window; - ctx->recv_window = NGX_HTTP_V2_MAX_WINDOW; - - ctx->connection->last_stream_id += 2; - ctx->id = ctx->connection->last_stream_id; - - return NGX_OK; - } - - cln = ngx_pool_cleanup_add(c->pool, sizeof(ngx_http_grpc_conn_t)); - if (cln == NULL) { - return NGX_ERROR; - } - - cln->handler = ngx_http_grpc_cleanup; - ctx->connection = cln->data; - - ctx->connection->init_window = NGX_HTTP_V2_DEFAULT_WINDOW; - ctx->connection->send_window = NGX_HTTP_V2_DEFAULT_WINDOW; - ctx->connection->recv_window = NGX_HTTP_V2_MAX_WINDOW; - - ctx->send_window = NGX_HTTP_V2_DEFAULT_WINDOW; - ctx->recv_window = NGX_HTTP_V2_MAX_WINDOW; - - ctx->id = 1; - ctx->connection->last_stream_id = 1; - - return NGX_OK; -} - - -static void -ngx_http_grpc_cleanup(void *data) -{ -#if 0 - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, - "grpc cleanup"); -#endif - return; -} - - -static void -ngx_http_grpc_abort_request(ngx_http_request_t *r) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "abort grpc request"); - return; -} - - -static void -ngx_http_grpc_finalize_request(ngx_http_request_t *r, ngx_int_t rc) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "finalize grpc request"); - return; -} - - -static ngx_int_t -ngx_http_grpc_internal_trailers_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_table_elt_t *te; - - te = r->headers_in.te; - - if (te == NULL) { - v->not_found = 1; - return NGX_OK; - } - - if (ngx_strlcasestrn(te->value.data, te->value.data + te->value.len, - (u_char *) "trailers", 8 - 1) - == NULL) - { - v->not_found = 1; - return NGX_OK; - } - - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - v->data = (u_char *) "trailers"; - v->len = sizeof("trailers") - 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_grpc_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var, *v; - - for (v = ngx_http_grpc_vars; v->name.len; v++) { - var = ngx_http_add_variable(cf, &v->name, v->flags); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = v->get_handler; - var->data = v->data; - } - - return NGX_OK; -} - - -static void * -ngx_http_grpc_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_grpc_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_grpc_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->upstream.ignore_headers = 0; - * conf->upstream.next_upstream = 0; - * conf->upstream.hide_headers_hash = { NULL, 0 }; - * conf->upstream.ssl_name = NULL; - * - * conf->headers_source = NULL; - * conf->headers.lengths = NULL; - * conf->headers.values = NULL; - * conf->headers.hash = { NULL, 0 }; - * conf->host = { 0, NULL }; - * conf->host_set = 0; - * conf->ssl = 0; - * conf->ssl_protocols = 0; - * conf->ssl_ciphers = { 0, NULL }; - * conf->ssl_trusted_certificate = { 0, NULL }; - * conf->ssl_crl = { 0, NULL }; - * conf->ssl_certificate = { 0, NULL }; - * conf->ssl_certificate_key = { 0, NULL }; - */ - - conf->upstream.local = NGX_CONF_UNSET_PTR; - conf->upstream.next_upstream_tries = NGX_CONF_UNSET_UINT; - conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.next_upstream_timeout = NGX_CONF_UNSET_MSEC; - - conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; - - conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; - conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; - - conf->upstream.intercept_errors = NGX_CONF_UNSET; - -#if (NGX_HTTP_SSL) - conf->upstream.ssl_session_reuse = NGX_CONF_UNSET; - conf->upstream.ssl_server_name = NGX_CONF_UNSET; - conf->upstream.ssl_verify = NGX_CONF_UNSET; - conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; - conf->ssl_passwords = NGX_CONF_UNSET_PTR; -#endif - - /* the hardcoded values */ - conf->upstream.cyclic_temp_file = 0; - conf->upstream.buffering = 0; - conf->upstream.ignore_client_abort = 0; - conf->upstream.send_lowat = 0; - conf->upstream.bufs.num = 0; - conf->upstream.busy_buffers_size = 0; - conf->upstream.max_temp_file_size = 0; - conf->upstream.temp_file_write_size = 0; - conf->upstream.pass_request_headers = 1; - conf->upstream.pass_request_body = 1; - conf->upstream.force_ranges = 0; - conf->upstream.pass_trailers = 1; - conf->upstream.preserve_output = 1; - - ngx_str_set(&conf->upstream.module, "grpc"); - - return conf; -} - - -static char * -ngx_http_grpc_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_grpc_loc_conf_t *prev = parent; - ngx_http_grpc_loc_conf_t *conf = child; - - ngx_int_t rc; - ngx_hash_init_t hash; - ngx_http_core_loc_conf_t *clcf; - - ngx_conf_merge_ptr_value(conf->upstream.local, - prev->upstream.local, NULL); - - ngx_conf_merge_uint_value(conf->upstream.next_upstream_tries, - prev->upstream.next_upstream_tries, 0); - - ngx_conf_merge_msec_value(conf->upstream.connect_timeout, - prev->upstream.connect_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.send_timeout, - prev->upstream.send_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.read_timeout, - prev->upstream.read_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.next_upstream_timeout, - prev->upstream.next_upstream_timeout, 0); - - ngx_conf_merge_size_value(conf->upstream.buffer_size, - prev->upstream.buffer_size, - (size_t) ngx_pagesize); - - ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, - prev->upstream.ignore_headers, - NGX_CONF_BITMASK_SET); - - ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, - prev->upstream.next_upstream, - (NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_ERROR - |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); - - if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { - conf->upstream.next_upstream = NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF; - } - - ngx_conf_merge_value(conf->upstream.intercept_errors, - prev->upstream.intercept_errors, 0); - -#if (NGX_HTTP_SSL) - - ngx_conf_merge_value(conf->upstream.ssl_session_reuse, - prev->upstream.ssl_session_reuse, 1); - - ngx_conf_merge_bitmask_value(conf->ssl_protocols, prev->ssl_protocols, - (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 - |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); - - ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, - "DEFAULT"); - - if (conf->upstream.ssl_name == NULL) { - conf->upstream.ssl_name = prev->upstream.ssl_name; - } - - ngx_conf_merge_value(conf->upstream.ssl_server_name, - prev->upstream.ssl_server_name, 0); - ngx_conf_merge_value(conf->upstream.ssl_verify, - prev->upstream.ssl_verify, 0); - ngx_conf_merge_uint_value(conf->ssl_verify_depth, - prev->ssl_verify_depth, 1); - ngx_conf_merge_str_value(conf->ssl_trusted_certificate, - prev->ssl_trusted_certificate, ""); - ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); - - ngx_conf_merge_str_value(conf->ssl_certificate, - prev->ssl_certificate, ""); - ngx_conf_merge_str_value(conf->ssl_certificate_key, - prev->ssl_certificate_key, ""); - ngx_conf_merge_ptr_value(conf->ssl_passwords, prev->ssl_passwords, NULL); - - if (conf->ssl && ngx_http_grpc_set_ssl(cf, conf) != NGX_OK) { - return NGX_CONF_ERROR; - } - -#endif - - hash.max_size = 512; - hash.bucket_size = ngx_align(64, ngx_cacheline_size); - hash.name = "grpc_headers_hash"; - - if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, - &prev->upstream, ngx_http_grpc_hide_headers, &hash) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - - if (clcf->noname && conf->upstream.upstream == NULL) { - conf->upstream.upstream = prev->upstream.upstream; - conf->host = prev->host; -#if (NGX_HTTP_SSL) - conf->upstream.ssl = prev->upstream.ssl; -#endif - } - - if (clcf->lmt_excpt && clcf->handler == NULL && conf->upstream.upstream) { - clcf->handler = ngx_http_grpc_handler; - } - - if (conf->headers_source == NULL) { - conf->headers = prev->headers; - conf->headers_source = prev->headers_source; - conf->host_set = prev->host_set; - } - - rc = ngx_http_grpc_init_headers(cf, conf, &conf->headers, - ngx_http_grpc_headers); - if (rc != NGX_OK) { - return NGX_CONF_ERROR; - } - - /* - * special handling to preserve conf->headers in the "http" section - * to inherit it to all servers - */ - - if (prev->headers.hash.buckets == NULL - && conf->headers_source == prev->headers_source) - { - prev->headers = conf->headers; - prev->host_set = conf->host_set; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_grpc_init_headers(ngx_conf_t *cf, ngx_http_grpc_loc_conf_t *conf, - ngx_http_grpc_headers_t *headers, ngx_keyval_t *default_headers) -{ - u_char *p; - size_t size; - uintptr_t *code; - ngx_uint_t i; - ngx_array_t headers_names, headers_merged; - ngx_keyval_t *src, *s, *h; - ngx_hash_key_t *hk; - ngx_hash_init_t hash; - ngx_http_script_compile_t sc; - ngx_http_script_copy_code_t *copy; - - if (headers->hash.buckets) { - return NGX_OK; - } - - if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - if (ngx_array_init(&headers_merged, cf->temp_pool, 4, sizeof(ngx_keyval_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - headers->lengths = ngx_array_create(cf->pool, 64, 1); - if (headers->lengths == NULL) { - return NGX_ERROR; - } - - headers->values = ngx_array_create(cf->pool, 512, 1); - if (headers->values == NULL) { - return NGX_ERROR; - } - - if (conf->headers_source) { - - src = conf->headers_source->elts; - for (i = 0; i < conf->headers_source->nelts; i++) { - - if (src[i].key.len == 4 - && ngx_strncasecmp(src[i].key.data, (u_char *) "Host", 4) == 0) - { - conf->host_set = 1; - } - - s = ngx_array_push(&headers_merged); - if (s == NULL) { - return NGX_ERROR; - } - - *s = src[i]; - } - } - - h = default_headers; - - while (h->key.len) { - - src = headers_merged.elts; - for (i = 0; i < headers_merged.nelts; i++) { - if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { - goto next; - } - } - - s = ngx_array_push(&headers_merged); - if (s == NULL) { - return NGX_ERROR; - } - - *s = *h; - - next: - - h++; - } - - - src = headers_merged.elts; - for (i = 0; i < headers_merged.nelts; i++) { - - hk = ngx_array_push(&headers_names); - if (hk == NULL) { - return NGX_ERROR; - } - - hk->key = src[i].key; - hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len); - hk->value = (void *) 1; - - if (src[i].value.len == 0) { - continue; - } - - copy = ngx_array_push_n(headers->lengths, - sizeof(ngx_http_script_copy_code_t)); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = (ngx_http_script_code_pt) (void *) - ngx_http_script_copy_len_code; - copy->len = src[i].key.len; - - size = (sizeof(ngx_http_script_copy_code_t) - + src[i].key.len + sizeof(uintptr_t) - 1) - & ~(sizeof(uintptr_t) - 1); - - copy = ngx_array_push_n(headers->values, size); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = ngx_http_script_copy_code; - copy->len = src[i].key.len; - - p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); - ngx_memcpy(p, src[i].key.data, src[i].key.len); - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &src[i].value; - sc.flushes = &headers->flushes; - sc.lengths = &headers->lengths; - sc.values = &headers->values; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_ERROR; - } - - code = ngx_array_push_n(headers->lengths, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - - code = ngx_array_push_n(headers->values, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - } - - code = ngx_array_push_n(headers->lengths, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - - - hash.hash = &headers->hash; - hash.key = ngx_hash_key_lc; - hash.max_size = 512; - hash.bucket_size = 64; - hash.name = "grpc_headers_hash"; - hash.pool = cf->pool; - hash.temp_pool = NULL; - - return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts); -} - - -static char * -ngx_http_grpc_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_grpc_loc_conf_t *glcf = conf; - - size_t add; - ngx_str_t *value, *url; - ngx_url_t u; - ngx_http_core_loc_conf_t *clcf; - - if (glcf->upstream.upstream) { - return "is duplicate"; - } - - value = cf->args->elts; - url = &value[1]; - - if (ngx_strncasecmp(url->data, (u_char *) "grpc://", 7) == 0) { - add = 7; - - } else if (ngx_strncasecmp(url->data, (u_char *) "grpcs://", 8) == 0) { - -#if (NGX_HTTP_SSL) - glcf->ssl = 1; - - add = 8; -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "grpcs protocol requires SSL support"); - return NGX_CONF_ERROR; -#endif - - } else { - add = 0; - } - - ngx_memzero(&u, sizeof(ngx_url_t)); - - u.url.len = url->len - add; - u.url.data = url->data + add; - u.no_resolve = 1; - - glcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); - if (glcf->upstream.upstream == NULL) { - return NGX_CONF_ERROR; - } - - if (u.family != AF_UNIX) { - - if (u.no_port) { - glcf->host = u.host; - - } else { - glcf->host.len = u.host.len + 1 + u.port_text.len; - glcf->host.data = u.host.data; - } - - } else { - ngx_str_set(&glcf->host, "localhost"); - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - - clcf->handler = ngx_http_grpc_handler; - - if (clcf->name.data[clcf->name.len - 1] == '/') { - clcf->auto_redirect = 1; - } - - return NGX_CONF_OK; -} - - -#if (NGX_HTTP_SSL) - -static char * -ngx_http_grpc_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_grpc_loc_conf_t *glcf = conf; - - ngx_str_t *value; - - if (glcf->ssl_passwords != NGX_CONF_UNSET_PTR) { - return "is duplicate"; - } - - value = cf->args->elts; - - glcf->ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); - - if (glcf->ssl_passwords == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_grpc_set_ssl(ngx_conf_t *cf, ngx_http_grpc_loc_conf_t *glcf) -{ - ngx_pool_cleanup_t *cln; - - glcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); - if (glcf->upstream.ssl == NULL) { - return NGX_ERROR; - } - - glcf->upstream.ssl->log = cf->log; - - if (ngx_ssl_create(glcf->upstream.ssl, glcf->ssl_protocols, NULL) - != NGX_OK) - { - return NGX_ERROR; - } - - cln = ngx_pool_cleanup_add(cf->pool, 0); - if (cln == NULL) { - return NGX_ERROR; - } - - cln->handler = ngx_ssl_cleanup_ctx; - cln->data = glcf->upstream.ssl; - - if (glcf->ssl_certificate.len) { - - if (glcf->ssl_certificate_key.len == 0) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no \"grpc_ssl_certificate_key\" is defined " - "for certificate \"%V\"", &glcf->ssl_certificate); - return NGX_ERROR; - } - - if (ngx_ssl_certificate(cf, glcf->upstream.ssl, &glcf->ssl_certificate, - &glcf->ssl_certificate_key, glcf->ssl_passwords) - != NGX_OK) - { - return NGX_ERROR; - } - } - - if (ngx_ssl_ciphers(cf, glcf->upstream.ssl, &glcf->ssl_ciphers, 0) - != NGX_OK) - { - return NGX_ERROR; - } - - if (glcf->upstream.ssl_verify) { - if (glcf->ssl_trusted_certificate.len == 0) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no grpc_ssl_trusted_certificate for grpc_ssl_verify"); - return NGX_ERROR; - } - - if (ngx_ssl_trusted_certificate(cf, glcf->upstream.ssl, - &glcf->ssl_trusted_certificate, - glcf->ssl_verify_depth) - != NGX_OK) - { - return NGX_ERROR; - } - - if (ngx_ssl_crl(cf, glcf->upstream.ssl, &glcf->ssl_crl) != NGX_OK) { - return NGX_ERROR; - } - } - -#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation - - if (SSL_CTX_set_alpn_protos(glcf->upstream.ssl->ctx, - (u_char *) "\x02h2", 3) - != 0) - { - ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, - "SSL_CTX_set_alpn_protos() failed"); - return NGX_ERROR; - } - -#endif - - return NGX_OK; -} - -#endif diff --git a/nginx/src/http/modules/ngx_http_gunzip_filter_module.c b/nginx/src/http/modules/ngx_http_gunzip_filter_module.c deleted file mode 100644 index c1341f5..0000000 --- a/nginx/src/http/modules/ngx_http_gunzip_filter_module.c +++ /dev/null @@ -1,687 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Maxim Dounin - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - -#include <zlib.h> - - -typedef struct { - ngx_flag_t enable; - ngx_bufs_t bufs; -} ngx_http_gunzip_conf_t; - - -typedef struct { - ngx_chain_t *in; - ngx_chain_t *free; - ngx_chain_t *busy; - ngx_chain_t *out; - ngx_chain_t **last_out; - - ngx_buf_t *in_buf; - ngx_buf_t *out_buf; - ngx_int_t bufs; - - unsigned started:1; - unsigned flush:4; - unsigned redo:1; - unsigned done:1; - unsigned nomem:1; - - z_stream zstream; - ngx_http_request_t *request; -} ngx_http_gunzip_ctx_t; - - -static ngx_int_t ngx_http_gunzip_filter_inflate_start(ngx_http_request_t *r, - ngx_http_gunzip_ctx_t *ctx); -static ngx_int_t ngx_http_gunzip_filter_add_data(ngx_http_request_t *r, - ngx_http_gunzip_ctx_t *ctx); -static ngx_int_t ngx_http_gunzip_filter_get_buf(ngx_http_request_t *r, - ngx_http_gunzip_ctx_t *ctx); -static ngx_int_t ngx_http_gunzip_filter_inflate(ngx_http_request_t *r, - ngx_http_gunzip_ctx_t *ctx); -static ngx_int_t ngx_http_gunzip_filter_inflate_end(ngx_http_request_t *r, - ngx_http_gunzip_ctx_t *ctx); - -static void *ngx_http_gunzip_filter_alloc(void *opaque, u_int items, - u_int size); -static void ngx_http_gunzip_filter_free(void *opaque, void *address); - -static ngx_int_t ngx_http_gunzip_filter_init(ngx_conf_t *cf); -static void *ngx_http_gunzip_create_conf(ngx_conf_t *cf); -static char *ngx_http_gunzip_merge_conf(ngx_conf_t *cf, - void *parent, void *child); - - -static ngx_command_t ngx_http_gunzip_filter_commands[] = { - - { ngx_string("gunzip"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_gunzip_conf_t, enable), - NULL }, - - { ngx_string("gunzip_buffers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_conf_set_bufs_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_gunzip_conf_t, bufs), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_gunzip_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_gunzip_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_gunzip_create_conf, /* create location configuration */ - ngx_http_gunzip_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_gunzip_filter_module = { - NGX_MODULE_V1, - &ngx_http_gunzip_filter_module_ctx, /* module context */ - ngx_http_gunzip_filter_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static ngx_int_t -ngx_http_gunzip_header_filter(ngx_http_request_t *r) -{ - ngx_http_gunzip_ctx_t *ctx; - ngx_http_gunzip_conf_t *conf; - - conf = ngx_http_get_module_loc_conf(r, ngx_http_gunzip_filter_module); - - /* TODO support multiple content-codings */ - /* TODO always gunzip - due to configuration or module request */ - /* TODO ignore content encoding? */ - - if (!conf->enable - || r->headers_out.content_encoding == NULL - || r->headers_out.content_encoding->value.len != 4 - || ngx_strncasecmp(r->headers_out.content_encoding->value.data, - (u_char *) "gzip", 4) != 0) - { - return ngx_http_next_header_filter(r); - } - - r->gzip_vary = 1; - - if (!r->gzip_tested) { - if (ngx_http_gzip_ok(r) == NGX_OK) { - return ngx_http_next_header_filter(r); - } - - } else if (r->gzip_ok) { - return ngx_http_next_header_filter(r); - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_gunzip_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_gunzip_filter_module); - - ctx->request = r; - - r->filter_need_in_memory = 1; - - r->headers_out.content_encoding->hash = 0; - r->headers_out.content_encoding = NULL; - - ngx_http_clear_content_length(r); - ngx_http_clear_accept_ranges(r); - ngx_http_weak_etag(r); - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_gunzip_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - int rc; - ngx_uint_t flush; - ngx_chain_t *cl; - ngx_http_gunzip_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_gunzip_filter_module); - - if (ctx == NULL || ctx->done) { - return ngx_http_next_body_filter(r, in); - } - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http gunzip filter"); - - if (!ctx->started) { - if (ngx_http_gunzip_filter_inflate_start(r, ctx) != NGX_OK) { - goto failed; - } - } - - if (in) { - if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) { - goto failed; - } - } - - if (ctx->nomem) { - - /* flush busy buffers */ - - if (ngx_http_next_body_filter(r, NULL) == NGX_ERROR) { - goto failed; - } - - cl = NULL; - - ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &cl, - (ngx_buf_tag_t) &ngx_http_gunzip_filter_module); - ctx->nomem = 0; - flush = 0; - - } else { - flush = ctx->busy ? 1 : 0; - } - - for ( ;; ) { - - /* cycle while we can write to a client */ - - for ( ;; ) { - - /* cycle while there is data to feed zlib and ... */ - - rc = ngx_http_gunzip_filter_add_data(r, ctx); - - if (rc == NGX_DECLINED) { - break; - } - - if (rc == NGX_AGAIN) { - continue; - } - - - /* ... there are buffers to write zlib output */ - - rc = ngx_http_gunzip_filter_get_buf(r, ctx); - - if (rc == NGX_DECLINED) { - break; - } - - if (rc == NGX_ERROR) { - goto failed; - } - - rc = ngx_http_gunzip_filter_inflate(r, ctx); - - if (rc == NGX_OK) { - break; - } - - if (rc == NGX_ERROR) { - goto failed; - } - - /* rc == NGX_AGAIN */ - } - - if (ctx->out == NULL && !flush) { - return ctx->busy ? NGX_AGAIN : NGX_OK; - } - - rc = ngx_http_next_body_filter(r, ctx->out); - - if (rc == NGX_ERROR) { - goto failed; - } - - ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &ctx->out, - (ngx_buf_tag_t) &ngx_http_gunzip_filter_module); - ctx->last_out = &ctx->out; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "gunzip out: %p", ctx->out); - - ctx->nomem = 0; - flush = 0; - - if (ctx->done) { - return rc; - } - } - - /* unreachable */ - -failed: - - ctx->done = 1; - - return NGX_ERROR; -} - - -static ngx_int_t -ngx_http_gunzip_filter_inflate_start(ngx_http_request_t *r, - ngx_http_gunzip_ctx_t *ctx) -{ - int rc; - - ctx->zstream.next_in = Z_NULL; - ctx->zstream.avail_in = 0; - - ctx->zstream.zalloc = ngx_http_gunzip_filter_alloc; - ctx->zstream.zfree = ngx_http_gunzip_filter_free; - ctx->zstream.opaque = ctx; - - /* windowBits +16 to decode gzip, zlib 1.2.0.4+ */ - rc = inflateInit2(&ctx->zstream, MAX_WBITS + 16); - - if (rc != Z_OK) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "inflateInit2() failed: %d", rc); - return NGX_ERROR; - } - - ctx->started = 1; - - ctx->last_out = &ctx->out; - ctx->flush = Z_NO_FLUSH; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_gunzip_filter_add_data(ngx_http_request_t *r, - ngx_http_gunzip_ctx_t *ctx) -{ - if (ctx->zstream.avail_in || ctx->flush != Z_NO_FLUSH || ctx->redo) { - return NGX_OK; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "gunzip in: %p", ctx->in); - - if (ctx->in == NULL) { - return NGX_DECLINED; - } - - ctx->in_buf = ctx->in->buf; - ctx->in = ctx->in->next; - - ctx->zstream.next_in = ctx->in_buf->pos; - ctx->zstream.avail_in = ctx->in_buf->last - ctx->in_buf->pos; - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "gunzip in_buf:%p ni:%p ai:%ud", - ctx->in_buf, - ctx->zstream.next_in, ctx->zstream.avail_in); - - if (ctx->in_buf->last_buf || ctx->in_buf->last_in_chain) { - ctx->flush = Z_FINISH; - - } else if (ctx->in_buf->flush) { - ctx->flush = Z_SYNC_FLUSH; - - } else if (ctx->zstream.avail_in == 0) { - /* ctx->flush == Z_NO_FLUSH */ - return NGX_AGAIN; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_gunzip_filter_get_buf(ngx_http_request_t *r, - ngx_http_gunzip_ctx_t *ctx) -{ - ngx_http_gunzip_conf_t *conf; - - if (ctx->zstream.avail_out) { - return NGX_OK; - } - - conf = ngx_http_get_module_loc_conf(r, ngx_http_gunzip_filter_module); - - if (ctx->free) { - ctx->out_buf = ctx->free->buf; - ctx->free = ctx->free->next; - - ctx->out_buf->flush = 0; - - } else if (ctx->bufs < conf->bufs.num) { - - ctx->out_buf = ngx_create_temp_buf(r->pool, conf->bufs.size); - if (ctx->out_buf == NULL) { - return NGX_ERROR; - } - - ctx->out_buf->tag = (ngx_buf_tag_t) &ngx_http_gunzip_filter_module; - ctx->out_buf->recycled = 1; - ctx->bufs++; - - } else { - ctx->nomem = 1; - return NGX_DECLINED; - } - - ctx->zstream.next_out = ctx->out_buf->pos; - ctx->zstream.avail_out = conf->bufs.size; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_gunzip_filter_inflate(ngx_http_request_t *r, - ngx_http_gunzip_ctx_t *ctx) -{ - int rc; - ngx_buf_t *b; - ngx_chain_t *cl; - - ngx_log_debug6(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "inflate in: ni:%p no:%p ai:%ud ao:%ud fl:%d redo:%d", - ctx->zstream.next_in, ctx->zstream.next_out, - ctx->zstream.avail_in, ctx->zstream.avail_out, - ctx->flush, ctx->redo); - - rc = inflate(&ctx->zstream, ctx->flush); - - if (rc != Z_OK && rc != Z_STREAM_END && rc != Z_BUF_ERROR) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "inflate() failed: %d, %d", ctx->flush, rc); - return NGX_ERROR; - } - - ngx_log_debug5(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "inflate out: ni:%p no:%p ai:%ud ao:%ud rc:%d", - ctx->zstream.next_in, ctx->zstream.next_out, - ctx->zstream.avail_in, ctx->zstream.avail_out, - rc); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "gunzip in_buf:%p pos:%p", - ctx->in_buf, ctx->in_buf->pos); - - if (ctx->zstream.next_in) { - ctx->in_buf->pos = ctx->zstream.next_in; - - if (ctx->zstream.avail_in == 0) { - ctx->zstream.next_in = NULL; - } - } - - ctx->out_buf->last = ctx->zstream.next_out; - - if (ctx->zstream.avail_out == 0) { - - /* zlib wants to output some more data */ - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = ctx->out_buf; - cl->next = NULL; - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - ctx->redo = 1; - - return NGX_AGAIN; - } - - ctx->redo = 0; - - if (ctx->flush == Z_SYNC_FLUSH) { - - ctx->flush = Z_NO_FLUSH; - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - b = ctx->out_buf; - - if (ngx_buf_size(b) == 0) { - - b = ngx_calloc_buf(ctx->request->pool); - if (b == NULL) { - return NGX_ERROR; - } - - } else { - ctx->zstream.avail_out = 0; - } - - b->flush = 1; - - cl->buf = b; - cl->next = NULL; - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - return NGX_OK; - } - - if (ctx->flush == Z_FINISH && ctx->zstream.avail_in == 0) { - - if (rc != Z_STREAM_END) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "inflate() returned %d on response end", rc); - return NGX_ERROR; - } - - if (ngx_http_gunzip_filter_inflate_end(r, ctx) != NGX_OK) { - return NGX_ERROR; - } - - return NGX_OK; - } - - if (rc == Z_STREAM_END && ctx->zstream.avail_in > 0) { - - rc = inflateReset(&ctx->zstream); - - if (rc != Z_OK) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "inflateReset() failed: %d", rc); - return NGX_ERROR; - } - - ctx->redo = 1; - - return NGX_AGAIN; - } - - if (ctx->in == NULL) { - - b = ctx->out_buf; - - if (ngx_buf_size(b) == 0) { - return NGX_OK; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - ctx->zstream.avail_out = 0; - - cl->buf = b; - cl->next = NULL; - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - return NGX_OK; - } - - return NGX_AGAIN; -} - - -static ngx_int_t -ngx_http_gunzip_filter_inflate_end(ngx_http_request_t *r, - ngx_http_gunzip_ctx_t *ctx) -{ - int rc; - ngx_buf_t *b; - ngx_chain_t *cl; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "gunzip inflate end"); - - rc = inflateEnd(&ctx->zstream); - - if (rc != Z_OK) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "inflateEnd() failed: %d", rc); - return NGX_ERROR; - } - - b = ctx->out_buf; - - if (ngx_buf_size(b) == 0) { - - b = ngx_calloc_buf(ctx->request->pool); - if (b == NULL) { - return NGX_ERROR; - } - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - cl->next = NULL; - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - b->last_buf = (r == r->main) ? 1 : 0; - b->last_in_chain = 1; - b->sync = 1; - - ctx->done = 1; - - return NGX_OK; -} - - -static void * -ngx_http_gunzip_filter_alloc(void *opaque, u_int items, u_int size) -{ - ngx_http_gunzip_ctx_t *ctx = opaque; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, - "gunzip alloc: n:%ud s:%ud", - items, size); - - return ngx_palloc(ctx->request->pool, items * size); -} - - -static void -ngx_http_gunzip_filter_free(void *opaque, void *address) -{ -#if 0 - ngx_http_gunzip_ctx_t *ctx = opaque; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, - "gunzip free: %p", address); -#endif -} - - -static void * -ngx_http_gunzip_create_conf(ngx_conf_t *cf) -{ - ngx_http_gunzip_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_gunzip_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->bufs.num = 0; - */ - - conf->enable = NGX_CONF_UNSET; - - return conf; -} - - -static char * -ngx_http_gunzip_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_gunzip_conf_t *prev = parent; - ngx_http_gunzip_conf_t *conf = child; - - ngx_conf_merge_value(conf->enable, prev->enable, 0); - - ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, - (128 * 1024) / ngx_pagesize, ngx_pagesize); - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_gunzip_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_gunzip_header_filter; - - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_gunzip_body_filter; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_gzip_filter_module.c b/nginx/src/http/modules/ngx_http_gzip_filter_module.c deleted file mode 100644 index e4c343c..0000000 --- a/nginx/src/http/modules/ngx_http_gzip_filter_module.c +++ /dev/null @@ -1,1273 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - -#include <zlib.h> - - -typedef struct { - ngx_flag_t enable; - ngx_flag_t no_buffer; - - ngx_hash_t types; - - ngx_bufs_t bufs; - - size_t postpone_gzipping; - ngx_int_t level; - size_t wbits; - size_t memlevel; - ssize_t min_length; - - ngx_array_t *types_keys; -} ngx_http_gzip_conf_t; - - -typedef struct { - ngx_chain_t *in; - ngx_chain_t *free; - ngx_chain_t *busy; - ngx_chain_t *out; - ngx_chain_t **last_out; - - ngx_chain_t *copied; - ngx_chain_t *copy_buf; - - ngx_buf_t *in_buf; - ngx_buf_t *out_buf; - ngx_int_t bufs; - - void *preallocated; - char *free_mem; - ngx_uint_t allocated; - - int wbits; - int memlevel; - - unsigned flush:4; - unsigned redo:1; - unsigned done:1; - unsigned nomem:1; - unsigned gzheader:1; - unsigned buffering:1; - unsigned intel:1; - - size_t zin; - size_t zout; - - uint32_t crc32; - z_stream zstream; - ngx_http_request_t *request; -} ngx_http_gzip_ctx_t; - - -#if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED) - -struct gztrailer { - uint32_t crc32; - uint32_t zlen; -}; - -#else /* NGX_HAVE_BIG_ENDIAN || !NGX_HAVE_NONALIGNED */ - -struct gztrailer { - u_char crc32[4]; - u_char zlen[4]; -}; - -#endif - - -static void ngx_http_gzip_filter_memory(ngx_http_request_t *r, - ngx_http_gzip_ctx_t *ctx); -static ngx_int_t ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t *ctx, - ngx_chain_t *in); -static ngx_int_t ngx_http_gzip_filter_deflate_start(ngx_http_request_t *r, - ngx_http_gzip_ctx_t *ctx); -static ngx_int_t ngx_http_gzip_filter_gzheader(ngx_http_request_t *r, - ngx_http_gzip_ctx_t *ctx); -static ngx_int_t ngx_http_gzip_filter_add_data(ngx_http_request_t *r, - ngx_http_gzip_ctx_t *ctx); -static ngx_int_t ngx_http_gzip_filter_get_buf(ngx_http_request_t *r, - ngx_http_gzip_ctx_t *ctx); -static ngx_int_t ngx_http_gzip_filter_deflate(ngx_http_request_t *r, - ngx_http_gzip_ctx_t *ctx); -static ngx_int_t ngx_http_gzip_filter_deflate_end(ngx_http_request_t *r, - ngx_http_gzip_ctx_t *ctx); - -static void *ngx_http_gzip_filter_alloc(void *opaque, u_int items, - u_int size); -static void ngx_http_gzip_filter_free(void *opaque, void *address); -static void ngx_http_gzip_filter_free_copy_buf(ngx_http_request_t *r, - ngx_http_gzip_ctx_t *ctx); - -static ngx_int_t ngx_http_gzip_add_variables(ngx_conf_t *cf); -static ngx_int_t ngx_http_gzip_ratio_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); - -static ngx_int_t ngx_http_gzip_filter_init(ngx_conf_t *cf); -static void *ngx_http_gzip_create_conf(ngx_conf_t *cf); -static char *ngx_http_gzip_merge_conf(ngx_conf_t *cf, - void *parent, void *child); -static char *ngx_http_gzip_window(ngx_conf_t *cf, void *post, void *data); -static char *ngx_http_gzip_hash(ngx_conf_t *cf, void *post, void *data); - - -static ngx_conf_num_bounds_t ngx_http_gzip_comp_level_bounds = { - ngx_conf_check_num_bounds, 1, 9 -}; - -static ngx_conf_post_handler_pt ngx_http_gzip_window_p = ngx_http_gzip_window; -static ngx_conf_post_handler_pt ngx_http_gzip_hash_p = ngx_http_gzip_hash; - - -static ngx_command_t ngx_http_gzip_filter_commands[] = { - - { ngx_string("gzip"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_gzip_conf_t, enable), - NULL }, - - { ngx_string("gzip_buffers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_conf_set_bufs_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_gzip_conf_t, bufs), - NULL }, - - { ngx_string("gzip_types"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_types_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_gzip_conf_t, types_keys), - &ngx_http_html_default_types[0] }, - - { ngx_string("gzip_comp_level"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_gzip_conf_t, level), - &ngx_http_gzip_comp_level_bounds }, - - { ngx_string("gzip_window"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_gzip_conf_t, wbits), - &ngx_http_gzip_window_p }, - - { ngx_string("gzip_hash"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_gzip_conf_t, memlevel), - &ngx_http_gzip_hash_p }, - - { ngx_string("postpone_gzipping"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_gzip_conf_t, postpone_gzipping), - NULL }, - - { ngx_string("gzip_no_buffer"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_gzip_conf_t, no_buffer), - NULL }, - - { ngx_string("gzip_min_length"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_gzip_conf_t, min_length), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_gzip_filter_module_ctx = { - ngx_http_gzip_add_variables, /* preconfiguration */ - ngx_http_gzip_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_gzip_create_conf, /* create location configuration */ - ngx_http_gzip_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_gzip_filter_module = { - NGX_MODULE_V1, - &ngx_http_gzip_filter_module_ctx, /* module context */ - ngx_http_gzip_filter_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_str_t ngx_http_gzip_ratio = ngx_string("gzip_ratio"); - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - -static ngx_uint_t ngx_http_gzip_assume_intel; - - -static ngx_int_t -ngx_http_gzip_header_filter(ngx_http_request_t *r) -{ - ngx_table_elt_t *h; - ngx_http_gzip_ctx_t *ctx; - ngx_http_gzip_conf_t *conf; - - conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); - - if (!conf->enable - || (r->headers_out.status != NGX_HTTP_OK - && r->headers_out.status != NGX_HTTP_FORBIDDEN - && r->headers_out.status != NGX_HTTP_NOT_FOUND) - || (r->headers_out.content_encoding - && r->headers_out.content_encoding->value.len) - || (r->headers_out.content_length_n != -1 - && r->headers_out.content_length_n < conf->min_length) - || ngx_http_test_content_type(r, &conf->types) == NULL - || r->header_only) - { - return ngx_http_next_header_filter(r); - } - - r->gzip_vary = 1; - -#if (NGX_HTTP_DEGRADATION) - { - ngx_http_core_loc_conf_t *clcf; - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (clcf->gzip_disable_degradation && ngx_http_degraded(r)) { - return ngx_http_next_header_filter(r); - } - } -#endif - - if (!r->gzip_tested) { - if (ngx_http_gzip_ok(r) != NGX_OK) { - return ngx_http_next_header_filter(r); - } - - } else if (!r->gzip_ok) { - return ngx_http_next_header_filter(r); - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_gzip_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_gzip_filter_module); - - ctx->request = r; - ctx->buffering = (conf->postpone_gzipping != 0); - - ngx_http_gzip_filter_memory(r, ctx); - - h = ngx_list_push(&r->headers_out.headers); - if (h == NULL) { - return NGX_ERROR; - } - - h->hash = 1; - ngx_str_set(&h->key, "Content-Encoding"); - ngx_str_set(&h->value, "gzip"); - r->headers_out.content_encoding = h; - - r->main_filter_need_in_memory = 1; - - ngx_http_clear_content_length(r); - ngx_http_clear_accept_ranges(r); - ngx_http_weak_etag(r); - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_gzip_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - int rc; - ngx_uint_t flush; - ngx_chain_t *cl; - ngx_http_gzip_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module); - - if (ctx == NULL || ctx->done || r->header_only) { - return ngx_http_next_body_filter(r, in); - } - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http gzip filter"); - - if (ctx->buffering) { - - /* - * With default memory settings zlib starts to output gzipped data - * only after it has got about 90K, so it makes sense to allocate - * zlib memory (200-400K) only after we have enough data to compress. - * Although we copy buffers, nevertheless for not big responses - * this allows to allocate zlib memory, to compress and to output - * the response in one step using hot CPU cache. - */ - - if (in) { - switch (ngx_http_gzip_filter_buffer(ctx, in)) { - - case NGX_OK: - return NGX_OK; - - case NGX_DONE: - in = NULL; - break; - - default: /* NGX_ERROR */ - goto failed; - } - - } else { - ctx->buffering = 0; - } - } - - if (ctx->preallocated == NULL) { - if (ngx_http_gzip_filter_deflate_start(r, ctx) != NGX_OK) { - goto failed; - } - } - - if (in) { - if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) { - goto failed; - } - - r->connection->buffered |= NGX_HTTP_GZIP_BUFFERED; - } - - if (ctx->nomem) { - - /* flush busy buffers */ - - if (ngx_http_next_body_filter(r, NULL) == NGX_ERROR) { - goto failed; - } - - cl = NULL; - - ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &cl, - (ngx_buf_tag_t) &ngx_http_gzip_filter_module); - ctx->nomem = 0; - flush = 0; - - } else { - flush = ctx->busy ? 1 : 0; - } - - for ( ;; ) { - - /* cycle while we can write to a client */ - - for ( ;; ) { - - /* cycle while there is data to feed zlib and ... */ - - rc = ngx_http_gzip_filter_add_data(r, ctx); - - if (rc == NGX_DECLINED) { - break; - } - - if (rc == NGX_AGAIN) { - continue; - } - - - /* ... there are buffers to write zlib output */ - - rc = ngx_http_gzip_filter_get_buf(r, ctx); - - if (rc == NGX_DECLINED) { - break; - } - - if (rc == NGX_ERROR) { - goto failed; - } - - - rc = ngx_http_gzip_filter_deflate(r, ctx); - - if (rc == NGX_OK) { - break; - } - - if (rc == NGX_ERROR) { - goto failed; - } - - /* rc == NGX_AGAIN */ - } - - if (ctx->out == NULL && !flush) { - ngx_http_gzip_filter_free_copy_buf(r, ctx); - - return ctx->busy ? NGX_AGAIN : NGX_OK; - } - - if (!ctx->gzheader) { - if (ngx_http_gzip_filter_gzheader(r, ctx) != NGX_OK) { - goto failed; - } - } - - rc = ngx_http_next_body_filter(r, ctx->out); - - if (rc == NGX_ERROR) { - goto failed; - } - - ngx_http_gzip_filter_free_copy_buf(r, ctx); - - ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &ctx->out, - (ngx_buf_tag_t) &ngx_http_gzip_filter_module); - ctx->last_out = &ctx->out; - - ctx->nomem = 0; - flush = 0; - - if (ctx->done) { - return rc; - } - } - - /* unreachable */ - -failed: - - ctx->done = 1; - - if (ctx->preallocated) { - deflateEnd(&ctx->zstream); - - ngx_pfree(r->pool, ctx->preallocated); - } - - ngx_http_gzip_filter_free_copy_buf(r, ctx); - - return NGX_ERROR; -} - - -static void -ngx_http_gzip_filter_memory(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) -{ - int wbits, memlevel; - ngx_http_gzip_conf_t *conf; - - conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); - - wbits = conf->wbits; - memlevel = conf->memlevel; - - if (r->headers_out.content_length_n > 0) { - - /* the actual zlib window size is smaller by 262 bytes */ - - while (r->headers_out.content_length_n < ((1 << (wbits - 1)) - 262)) { - wbits--; - memlevel--; - } - - if (memlevel < 1) { - memlevel = 1; - } - } - - ctx->wbits = wbits; - ctx->memlevel = memlevel; - - /* - * We preallocate a memory for zlib in one buffer (200K-400K), this - * decreases a number of malloc() and free() calls and also probably - * decreases a number of syscalls (sbrk()/mmap() and so on). - * Besides we free the memory as soon as a gzipping will complete - * and do not wait while a whole response will be sent to a client. - * - * 8K is for zlib deflate_state, it takes - * *) 5816 bytes on i386 and sparc64 (32-bit mode) - * *) 5920 bytes on amd64 and sparc64 - */ - - if (!ngx_http_gzip_assume_intel) { - ctx->allocated = 8192 + (1 << (wbits + 2)) + (1 << (memlevel + 9)); - - } else { - /* - * A zlib variant from Intel, https://github.com/jtkukunas/zlib. - * It can force window bits to 13 for fast compression level, - * on processors with SSE 4.2 it uses 64K hash instead of scaling - * it from the specified memory level, and also introduces - * 16-byte padding in one out of the two window-sized buffers. - */ - - if (conf->level == 1) { - wbits = ngx_max(wbits, 13); - } - - ctx->allocated = 8192 + 16 + (1 << (wbits + 2)) - + (1 << (ngx_max(memlevel, 8) + 8)) - + (1 << (memlevel + 8)); - ctx->intel = 1; - } -} - - -static ngx_int_t -ngx_http_gzip_filter_buffer(ngx_http_gzip_ctx_t *ctx, ngx_chain_t *in) -{ - size_t size, buffered; - ngx_buf_t *b, *buf; - ngx_chain_t *cl, **ll; - ngx_http_request_t *r; - ngx_http_gzip_conf_t *conf; - - r = ctx->request; - - r->connection->buffered |= NGX_HTTP_GZIP_BUFFERED; - - buffered = 0; - ll = &ctx->in; - - for (cl = ctx->in; cl; cl = cl->next) { - buffered += cl->buf->last - cl->buf->pos; - ll = &cl->next; - } - - conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); - - while (in) { - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - b = in->buf; - - size = b->last - b->pos; - buffered += size; - - if (b->flush || b->last_buf || buffered > conf->postpone_gzipping) { - ctx->buffering = 0; - } - - if (ctx->buffering && size) { - - buf = ngx_create_temp_buf(r->pool, size); - if (buf == NULL) { - return NGX_ERROR; - } - - buf->last = ngx_cpymem(buf->pos, b->pos, size); - b->pos = b->last; - - buf->last_buf = b->last_buf; - buf->tag = (ngx_buf_tag_t) &ngx_http_gzip_filter_module; - - cl->buf = buf; - - } else { - cl->buf = b; - } - - *ll = cl; - ll = &cl->next; - in = in->next; - } - - *ll = NULL; - - return ctx->buffering ? NGX_OK : NGX_DONE; -} - - -static ngx_int_t -ngx_http_gzip_filter_deflate_start(ngx_http_request_t *r, - ngx_http_gzip_ctx_t *ctx) -{ - int rc; - ngx_http_gzip_conf_t *conf; - - conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); - - ctx->preallocated = ngx_palloc(r->pool, ctx->allocated); - if (ctx->preallocated == NULL) { - return NGX_ERROR; - } - - ctx->free_mem = ctx->preallocated; - - ctx->zstream.zalloc = ngx_http_gzip_filter_alloc; - ctx->zstream.zfree = ngx_http_gzip_filter_free; - ctx->zstream.opaque = ctx; - - rc = deflateInit2(&ctx->zstream, (int) conf->level, Z_DEFLATED, - - ctx->wbits, ctx->memlevel, Z_DEFAULT_STRATEGY); - - if (rc != Z_OK) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "deflateInit2() failed: %d", rc); - return NGX_ERROR; - } - - ctx->last_out = &ctx->out; - ctx->crc32 = crc32(0L, Z_NULL, 0); - ctx->flush = Z_NO_FLUSH; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_gzip_filter_gzheader(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) -{ - ngx_buf_t *b; - ngx_chain_t *cl; - static u_char gzheader[10] = - { 0x1f, 0x8b, Z_DEFLATED, 0, 0, 0, 0, 0, 0, 3 }; - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - b->memory = 1; - b->pos = gzheader; - b->last = b->pos + 10; - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - cl->next = ctx->out; - ctx->out = cl; - - ctx->gzheader = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_gzip_filter_add_data(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) -{ - ngx_chain_t *cl; - - if (ctx->zstream.avail_in || ctx->flush != Z_NO_FLUSH || ctx->redo) { - return NGX_OK; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "gzip in: %p", ctx->in); - - if (ctx->in == NULL) { - return NGX_DECLINED; - } - - if (ctx->copy_buf) { - - /* - * to avoid CPU cache trashing we do not free() just quit buf, - * but postpone free()ing after zlib compressing and data output - */ - - ctx->copy_buf->next = ctx->copied; - ctx->copied = ctx->copy_buf; - ctx->copy_buf = NULL; - } - - cl = ctx->in; - ctx->in_buf = cl->buf; - ctx->in = cl->next; - - if (ctx->in_buf->tag == (ngx_buf_tag_t) &ngx_http_gzip_filter_module) { - ctx->copy_buf = cl; - - } else { - ngx_free_chain(r->pool, cl); - } - - ctx->zstream.next_in = ctx->in_buf->pos; - ctx->zstream.avail_in = ctx->in_buf->last - ctx->in_buf->pos; - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "gzip in_buf:%p ni:%p ai:%ud", - ctx->in_buf, - ctx->zstream.next_in, ctx->zstream.avail_in); - - if (ctx->in_buf->last_buf) { - ctx->flush = Z_FINISH; - - } else if (ctx->in_buf->flush) { - ctx->flush = Z_SYNC_FLUSH; - } - - if (ctx->zstream.avail_in) { - - ctx->crc32 = crc32(ctx->crc32, ctx->zstream.next_in, - ctx->zstream.avail_in); - - } else if (ctx->flush == Z_NO_FLUSH) { - return NGX_AGAIN; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_gzip_filter_get_buf(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) -{ - ngx_chain_t *cl; - ngx_http_gzip_conf_t *conf; - - if (ctx->zstream.avail_out) { - return NGX_OK; - } - - conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); - - if (ctx->free) { - - cl = ctx->free; - ctx->out_buf = cl->buf; - ctx->free = cl->next; - - ngx_free_chain(r->pool, cl); - - } else if (ctx->bufs < conf->bufs.num) { - - ctx->out_buf = ngx_create_temp_buf(r->pool, conf->bufs.size); - if (ctx->out_buf == NULL) { - return NGX_ERROR; - } - - ctx->out_buf->tag = (ngx_buf_tag_t) &ngx_http_gzip_filter_module; - ctx->out_buf->recycled = 1; - ctx->bufs++; - - } else { - ctx->nomem = 1; - return NGX_DECLINED; - } - - ctx->zstream.next_out = ctx->out_buf->pos; - ctx->zstream.avail_out = conf->bufs.size; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_gzip_filter_deflate(ngx_http_request_t *r, ngx_http_gzip_ctx_t *ctx) -{ - int rc; - ngx_buf_t *b; - ngx_chain_t *cl; - ngx_http_gzip_conf_t *conf; - - ngx_log_debug6(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "deflate in: ni:%p no:%p ai:%ud ao:%ud fl:%d redo:%d", - ctx->zstream.next_in, ctx->zstream.next_out, - ctx->zstream.avail_in, ctx->zstream.avail_out, - ctx->flush, ctx->redo); - - rc = deflate(&ctx->zstream, ctx->flush); - - if (rc != Z_OK && rc != Z_STREAM_END && rc != Z_BUF_ERROR) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "deflate() failed: %d, %d", ctx->flush, rc); - return NGX_ERROR; - } - - ngx_log_debug5(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "deflate out: ni:%p no:%p ai:%ud ao:%ud rc:%d", - ctx->zstream.next_in, ctx->zstream.next_out, - ctx->zstream.avail_in, ctx->zstream.avail_out, - rc); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "gzip in_buf:%p pos:%p", - ctx->in_buf, ctx->in_buf->pos); - - if (ctx->zstream.next_in) { - ctx->in_buf->pos = ctx->zstream.next_in; - - if (ctx->zstream.avail_in == 0) { - ctx->zstream.next_in = NULL; - } - } - - ctx->out_buf->last = ctx->zstream.next_out; - - if (ctx->zstream.avail_out == 0) { - - /* zlib wants to output some more gzipped data */ - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = ctx->out_buf; - cl->next = NULL; - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - ctx->redo = 1; - - return NGX_AGAIN; - } - - ctx->redo = 0; - - if (ctx->flush == Z_SYNC_FLUSH) { - - ctx->flush = Z_NO_FLUSH; - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - b = ctx->out_buf; - - if (ngx_buf_size(b) == 0) { - - b = ngx_calloc_buf(ctx->request->pool); - if (b == NULL) { - return NGX_ERROR; - } - - } else { - ctx->zstream.avail_out = 0; - } - - b->flush = 1; - - cl->buf = b; - cl->next = NULL; - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - r->connection->buffered &= ~NGX_HTTP_GZIP_BUFFERED; - - return NGX_OK; - } - - if (rc == Z_STREAM_END) { - - if (ngx_http_gzip_filter_deflate_end(r, ctx) != NGX_OK) { - return NGX_ERROR; - } - - return NGX_OK; - } - - conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); - - if (conf->no_buffer && ctx->in == NULL) { - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = ctx->out_buf; - cl->next = NULL; - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - return NGX_OK; - } - - return NGX_AGAIN; -} - - -static ngx_int_t -ngx_http_gzip_filter_deflate_end(ngx_http_request_t *r, - ngx_http_gzip_ctx_t *ctx) -{ - int rc; - ngx_buf_t *b; - ngx_chain_t *cl; - struct gztrailer *trailer; - - ctx->zin = ctx->zstream.total_in; - ctx->zout = 10 + ctx->zstream.total_out + 8; - - rc = deflateEnd(&ctx->zstream); - - if (rc != Z_OK) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "deflateEnd() failed: %d", rc); - return NGX_ERROR; - } - - ngx_pfree(r->pool, ctx->preallocated); - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = ctx->out_buf; - cl->next = NULL; - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - if (ctx->zstream.avail_out >= 8) { - trailer = (struct gztrailer *) ctx->out_buf->last; - ctx->out_buf->last += 8; - ctx->out_buf->last_buf = 1; - - } else { - b = ngx_create_temp_buf(r->pool, 8); - if (b == NULL) { - return NGX_ERROR; - } - - b->last_buf = 1; - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - cl->next = NULL; - *ctx->last_out = cl; - ctx->last_out = &cl->next; - trailer = (struct gztrailer *) b->pos; - b->last += 8; - } - -#if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED) - - trailer->crc32 = ctx->crc32; - trailer->zlen = ctx->zin; - -#else - - trailer->crc32[0] = (u_char) (ctx->crc32 & 0xff); - trailer->crc32[1] = (u_char) ((ctx->crc32 >> 8) & 0xff); - trailer->crc32[2] = (u_char) ((ctx->crc32 >> 16) & 0xff); - trailer->crc32[3] = (u_char) ((ctx->crc32 >> 24) & 0xff); - - trailer->zlen[0] = (u_char) (ctx->zin & 0xff); - trailer->zlen[1] = (u_char) ((ctx->zin >> 8) & 0xff); - trailer->zlen[2] = (u_char) ((ctx->zin >> 16) & 0xff); - trailer->zlen[3] = (u_char) ((ctx->zin >> 24) & 0xff); - -#endif - - ctx->zstream.avail_in = 0; - ctx->zstream.avail_out = 0; - - ctx->done = 1; - - r->connection->buffered &= ~NGX_HTTP_GZIP_BUFFERED; - - return NGX_OK; -} - - -static void * -ngx_http_gzip_filter_alloc(void *opaque, u_int items, u_int size) -{ - ngx_http_gzip_ctx_t *ctx = opaque; - - void *p; - ngx_uint_t alloc; - - alloc = items * size; - - if (items == 1 && alloc % 512 != 0 && alloc < 8192) { - - /* - * The zlib deflate_state allocation, it takes about 6K, - * we allocate 8K. Other allocations are divisible by 512. - */ - - alloc = 8192; - } - - if (alloc <= ctx->allocated) { - p = ctx->free_mem; - ctx->free_mem += alloc; - ctx->allocated -= alloc; - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, - "gzip alloc: n:%ud s:%ud a:%ui p:%p", - items, size, alloc, p); - - return p; - } - - if (ctx->intel) { - ngx_log_error(NGX_LOG_ALERT, ctx->request->connection->log, 0, - "gzip filter failed to use preallocated memory: " - "%ud of %ui", items * size, ctx->allocated); - - } else { - ngx_http_gzip_assume_intel = 1; - } - - p = ngx_palloc(ctx->request->pool, items * size); - - return p; -} - - -static void -ngx_http_gzip_filter_free(void *opaque, void *address) -{ -#if 0 - ngx_http_gzip_ctx_t *ctx = opaque; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, - "gzip free: %p", address); -#endif -} - - -static void -ngx_http_gzip_filter_free_copy_buf(ngx_http_request_t *r, - ngx_http_gzip_ctx_t *ctx) -{ - ngx_chain_t *cl; - - for (cl = ctx->copied; cl; cl = cl->next) { - ngx_pfree(r->pool, cl->buf->start); - } - - ctx->copied = NULL; -} - - -static ngx_int_t -ngx_http_gzip_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var; - - var = ngx_http_add_variable(cf, &ngx_http_gzip_ratio, NGX_HTTP_VAR_NOHASH); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = ngx_http_gzip_ratio_variable; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_gzip_ratio_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_uint_t zint, zfrac; - ngx_http_gzip_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module); - - if (ctx == NULL || ctx->zout == 0) { - v->not_found = 1; - return NGX_OK; - } - - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - v->data = ngx_pnalloc(r->pool, NGX_INT32_LEN + 3); - if (v->data == NULL) { - return NGX_ERROR; - } - - zint = (ngx_uint_t) (ctx->zin / ctx->zout); - zfrac = (ngx_uint_t) ((ctx->zin * 100 / ctx->zout) % 100); - - if ((ctx->zin * 1000 / ctx->zout) % 10 > 4) { - - /* the rounding, e.g., 2.125 to 2.13 */ - - zfrac++; - - if (zfrac > 99) { - zint++; - zfrac = 0; - } - } - - v->len = ngx_sprintf(v->data, "%ui.%02ui", zint, zfrac) - v->data; - - return NGX_OK; -} - - -static void * -ngx_http_gzip_create_conf(ngx_conf_t *cf) -{ - ngx_http_gzip_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_gzip_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->bufs.num = 0; - * conf->types = { NULL }; - * conf->types_keys = NULL; - */ - - conf->enable = NGX_CONF_UNSET; - conf->no_buffer = NGX_CONF_UNSET; - - conf->postpone_gzipping = NGX_CONF_UNSET_SIZE; - conf->level = NGX_CONF_UNSET; - conf->wbits = NGX_CONF_UNSET_SIZE; - conf->memlevel = NGX_CONF_UNSET_SIZE; - conf->min_length = NGX_CONF_UNSET; - - return conf; -} - - -static char * -ngx_http_gzip_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_gzip_conf_t *prev = parent; - ngx_http_gzip_conf_t *conf = child; - - ngx_conf_merge_value(conf->enable, prev->enable, 0); - ngx_conf_merge_value(conf->no_buffer, prev->no_buffer, 0); - - ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, - (128 * 1024) / ngx_pagesize, ngx_pagesize); - - ngx_conf_merge_size_value(conf->postpone_gzipping, prev->postpone_gzipping, - 0); - ngx_conf_merge_value(conf->level, prev->level, 1); - ngx_conf_merge_size_value(conf->wbits, prev->wbits, MAX_WBITS); - ngx_conf_merge_size_value(conf->memlevel, prev->memlevel, - MAX_MEM_LEVEL - 1); - ngx_conf_merge_value(conf->min_length, prev->min_length, 20); - - if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types, - &prev->types_keys, &prev->types, - ngx_http_html_default_types) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_gzip_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_gzip_header_filter; - - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_gzip_body_filter; - - return NGX_OK; -} - - -static char * -ngx_http_gzip_window(ngx_conf_t *cf, void *post, void *data) -{ - size_t *np = data; - - size_t wbits, wsize; - - wbits = 15; - - for (wsize = 32 * 1024; wsize > 256; wsize >>= 1) { - - if (wsize == *np) { - *np = wbits; - - return NGX_CONF_OK; - } - - wbits--; - } - - return "must be 512, 1k, 2k, 4k, 8k, 16k, or 32k"; -} - - -static char * -ngx_http_gzip_hash(ngx_conf_t *cf, void *post, void *data) -{ - size_t *np = data; - - size_t memlevel, hsize; - - memlevel = 9; - - for (hsize = 128 * 1024; hsize > 256; hsize >>= 1) { - - if (hsize == *np) { - *np = memlevel; - - return NGX_CONF_OK; - } - - memlevel--; - } - - return "must be 512, 1k, 2k, 4k, 8k, 16k, 32k, 64k, or 128k"; -} diff --git a/nginx/src/http/modules/ngx_http_gzip_static_module.c b/nginx/src/http/modules/ngx_http_gzip_static_module.c deleted file mode 100644 index 7652a9a..0000000 --- a/nginx/src/http/modules/ngx_http_gzip_static_module.c +++ /dev/null @@ -1,331 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -#define NGX_HTTP_GZIP_STATIC_OFF 0 -#define NGX_HTTP_GZIP_STATIC_ON 1 -#define NGX_HTTP_GZIP_STATIC_ALWAYS 2 - - -typedef struct { - ngx_uint_t enable; -} ngx_http_gzip_static_conf_t; - - -static ngx_int_t ngx_http_gzip_static_handler(ngx_http_request_t *r); -static void *ngx_http_gzip_static_create_conf(ngx_conf_t *cf); -static char *ngx_http_gzip_static_merge_conf(ngx_conf_t *cf, void *parent, - void *child); -static ngx_int_t ngx_http_gzip_static_init(ngx_conf_t *cf); - - -static ngx_conf_enum_t ngx_http_gzip_static[] = { - { ngx_string("off"), NGX_HTTP_GZIP_STATIC_OFF }, - { ngx_string("on"), NGX_HTTP_GZIP_STATIC_ON }, - { ngx_string("always"), NGX_HTTP_GZIP_STATIC_ALWAYS }, - { ngx_null_string, 0 } -}; - - -static ngx_command_t ngx_http_gzip_static_commands[] = { - - { ngx_string("gzip_static"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_enum_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_gzip_static_conf_t, enable), - &ngx_http_gzip_static }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_gzip_static_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_gzip_static_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_gzip_static_create_conf, /* create location configuration */ - ngx_http_gzip_static_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_gzip_static_module = { - NGX_MODULE_V1, - &ngx_http_gzip_static_module_ctx, /* module context */ - ngx_http_gzip_static_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_gzip_static_handler(ngx_http_request_t *r) -{ - u_char *p; - size_t root; - ngx_str_t path; - ngx_int_t rc; - ngx_uint_t level; - ngx_log_t *log; - ngx_buf_t *b; - ngx_chain_t out; - ngx_table_elt_t *h; - ngx_open_file_info_t of; - ngx_http_core_loc_conf_t *clcf; - ngx_http_gzip_static_conf_t *gzcf; - - if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { - return NGX_DECLINED; - } - - if (r->uri.data[r->uri.len - 1] == '/') { - return NGX_DECLINED; - } - - gzcf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_static_module); - - if (gzcf->enable == NGX_HTTP_GZIP_STATIC_OFF) { - return NGX_DECLINED; - } - - if (gzcf->enable == NGX_HTTP_GZIP_STATIC_ON) { - rc = ngx_http_gzip_ok(r); - - } else { - /* always */ - rc = NGX_OK; - } - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (!clcf->gzip_vary && rc != NGX_OK) { - return NGX_DECLINED; - } - - log = r->connection->log; - - p = ngx_http_map_uri_to_path(r, &path, &root, sizeof(".gz") - 1); - if (p == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - *p++ = '.'; - *p++ = 'g'; - *p++ = 'z'; - *p = '\0'; - - path.len = p - path.data; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, - "http filename: \"%s\"", path.data); - - ngx_memzero(&of, sizeof(ngx_open_file_info_t)); - - of.read_ahead = clcf->read_ahead; - of.directio = clcf->directio; - of.valid = clcf->open_file_cache_valid; - of.min_uses = clcf->open_file_cache_min_uses; - of.errors = clcf->open_file_cache_errors; - of.events = clcf->open_file_cache_events; - - if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) - != NGX_OK) - { - switch (of.err) { - - case 0: - return NGX_HTTP_INTERNAL_SERVER_ERROR; - - case NGX_ENOENT: - case NGX_ENOTDIR: - case NGX_ENAMETOOLONG: - - return NGX_DECLINED; - - case NGX_EACCES: -#if (NGX_HAVE_OPENAT) - case NGX_EMLINK: - case NGX_ELOOP: -#endif - - level = NGX_LOG_ERR; - break; - - default: - - level = NGX_LOG_CRIT; - break; - } - - ngx_log_error(level, log, of.err, - "%s \"%s\" failed", of.failed, path.data); - - return NGX_DECLINED; - } - - if (gzcf->enable == NGX_HTTP_GZIP_STATIC_ON) { - r->gzip_vary = 1; - - if (rc != NGX_OK) { - return NGX_DECLINED; - } - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "http static fd: %d", of.fd); - - if (of.is_dir) { - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http dir"); - return NGX_DECLINED; - } - -#if !(NGX_WIN32) /* the not regular files are probably Unix specific */ - - if (!of.is_file) { - ngx_log_error(NGX_LOG_CRIT, log, 0, - "\"%s\" is not a regular file", path.data); - - return NGX_HTTP_NOT_FOUND; - } - -#endif - - r->root_tested = !r->error_page; - - rc = ngx_http_discard_request_body(r); - - if (rc != NGX_OK) { - return rc; - } - - log->action = "sending response to client"; - - r->headers_out.status = NGX_HTTP_OK; - r->headers_out.content_length_n = of.size; - r->headers_out.last_modified_time = of.mtime; - - if (ngx_http_set_etag(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_http_set_content_type(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - h = ngx_list_push(&r->headers_out.headers); - if (h == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - h->hash = 1; - ngx_str_set(&h->key, "Content-Encoding"); - ngx_str_set(&h->value, "gzip"); - r->headers_out.content_encoding = h; - - /* we need to allocate all before the header would be sent */ - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); - if (b->file == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - rc = ngx_http_send_header(r); - - if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { - return rc; - } - - b->file_pos = 0; - b->file_last = of.size; - - b->in_file = b->file_last ? 1 : 0; - b->last_buf = (r == r->main) ? 1 : 0; - b->last_in_chain = 1; - - b->file->fd = of.fd; - b->file->name = path; - b->file->log = log; - b->file->directio = of.is_directio; - - out.buf = b; - out.next = NULL; - - return ngx_http_output_filter(r, &out); -} - - -static void * -ngx_http_gzip_static_create_conf(ngx_conf_t *cf) -{ - ngx_http_gzip_static_conf_t *conf; - - conf = ngx_palloc(cf->pool, sizeof(ngx_http_gzip_static_conf_t)); - if (conf == NULL) { - return NULL; - } - - conf->enable = NGX_CONF_UNSET_UINT; - - return conf; -} - - -static char * -ngx_http_gzip_static_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_gzip_static_conf_t *prev = parent; - ngx_http_gzip_static_conf_t *conf = child; - - ngx_conf_merge_uint_value(conf->enable, prev->enable, - NGX_HTTP_GZIP_STATIC_OFF); - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_gzip_static_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_gzip_static_handler; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_headers_filter_module.c b/nginx/src/http/modules/ngx_http_headers_filter_module.c deleted file mode 100644 index a4c8cc2..0000000 --- a/nginx/src/http/modules/ngx_http_headers_filter_module.c +++ /dev/null @@ -1,867 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct ngx_http_header_val_s ngx_http_header_val_t; - -typedef ngx_int_t (*ngx_http_set_header_pt)(ngx_http_request_t *r, - ngx_http_header_val_t *hv, ngx_str_t *value); - - -typedef struct { - ngx_str_t name; - ngx_uint_t offset; - ngx_http_set_header_pt handler; -} ngx_http_set_header_t; - - -struct ngx_http_header_val_s { - ngx_http_complex_value_t value; - ngx_str_t key; - ngx_http_set_header_pt handler; - ngx_uint_t offset; - ngx_uint_t always; /* unsigned always:1 */ -}; - - -typedef enum { - NGX_HTTP_EXPIRES_OFF, - NGX_HTTP_EXPIRES_EPOCH, - NGX_HTTP_EXPIRES_MAX, - NGX_HTTP_EXPIRES_ACCESS, - NGX_HTTP_EXPIRES_MODIFIED, - NGX_HTTP_EXPIRES_DAILY, - NGX_HTTP_EXPIRES_UNSET -} ngx_http_expires_t; - - -typedef struct { - ngx_http_expires_t expires; - time_t expires_time; - ngx_http_complex_value_t *expires_value; - ngx_array_t *headers; - ngx_array_t *trailers; -} ngx_http_headers_conf_t; - - -static ngx_int_t ngx_http_set_expires(ngx_http_request_t *r, - ngx_http_headers_conf_t *conf); -static ngx_int_t ngx_http_parse_expires(ngx_str_t *value, - ngx_http_expires_t *expires, time_t *expires_time, char **err); -static ngx_int_t ngx_http_add_multi_header_lines(ngx_http_request_t *r, - ngx_http_header_val_t *hv, ngx_str_t *value); -static ngx_int_t ngx_http_add_header(ngx_http_request_t *r, - ngx_http_header_val_t *hv, ngx_str_t *value); -static ngx_int_t ngx_http_set_last_modified(ngx_http_request_t *r, - ngx_http_header_val_t *hv, ngx_str_t *value); -static ngx_int_t ngx_http_set_response_header(ngx_http_request_t *r, - ngx_http_header_val_t *hv, ngx_str_t *value); - -static void *ngx_http_headers_create_conf(ngx_conf_t *cf); -static char *ngx_http_headers_merge_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_headers_filter_init(ngx_conf_t *cf); -static char *ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_http_set_header_t ngx_http_set_headers[] = { - - { ngx_string("Cache-Control"), - offsetof(ngx_http_headers_out_t, cache_control), - ngx_http_add_multi_header_lines }, - - { ngx_string("Link"), - offsetof(ngx_http_headers_out_t, link), - ngx_http_add_multi_header_lines }, - - { ngx_string("Last-Modified"), - offsetof(ngx_http_headers_out_t, last_modified), - ngx_http_set_last_modified }, - - { ngx_string("ETag"), - offsetof(ngx_http_headers_out_t, etag), - ngx_http_set_response_header }, - - { ngx_null_string, 0, NULL } -}; - - -static ngx_command_t ngx_http_headers_filter_commands[] = { - - { ngx_string("expires"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_TAKE12, - ngx_http_headers_expires, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("add_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_TAKE23, - ngx_http_headers_add, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_headers_conf_t, headers), - NULL }, - - { ngx_string("add_trailer"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_TAKE23, - ngx_http_headers_add, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_headers_conf_t, trailers), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_headers_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_headers_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_headers_create_conf, /* create location configuration */ - ngx_http_headers_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_headers_filter_module = { - NGX_MODULE_V1, - &ngx_http_headers_filter_module_ctx, /* module context */ - ngx_http_headers_filter_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static ngx_int_t -ngx_http_headers_filter(ngx_http_request_t *r) -{ - ngx_str_t value; - ngx_uint_t i, safe_status; - ngx_http_header_val_t *h; - ngx_http_headers_conf_t *conf; - - if (r != r->main) { - return ngx_http_next_header_filter(r); - } - - conf = ngx_http_get_module_loc_conf(r, ngx_http_headers_filter_module); - - if (conf->expires == NGX_HTTP_EXPIRES_OFF - && conf->headers == NULL - && conf->trailers == NULL) - { - return ngx_http_next_header_filter(r); - } - - switch (r->headers_out.status) { - - case NGX_HTTP_OK: - case NGX_HTTP_CREATED: - case NGX_HTTP_NO_CONTENT: - case NGX_HTTP_PARTIAL_CONTENT: - case NGX_HTTP_MOVED_PERMANENTLY: - case NGX_HTTP_MOVED_TEMPORARILY: - case NGX_HTTP_SEE_OTHER: - case NGX_HTTP_NOT_MODIFIED: - case NGX_HTTP_TEMPORARY_REDIRECT: - case NGX_HTTP_PERMANENT_REDIRECT: - safe_status = 1; - break; - - default: - safe_status = 0; - break; - } - - if (conf->expires != NGX_HTTP_EXPIRES_OFF && safe_status) { - if (ngx_http_set_expires(r, conf) != NGX_OK) { - return NGX_ERROR; - } - } - - if (conf->headers) { - h = conf->headers->elts; - for (i = 0; i < conf->headers->nelts; i++) { - - if (!safe_status && !h[i].always) { - continue; - } - - if (ngx_http_complex_value(r, &h[i].value, &value) != NGX_OK) { - return NGX_ERROR; - } - - if (h[i].handler(r, &h[i], &value) != NGX_OK) { - return NGX_ERROR; - } - } - } - - if (conf->trailers) { - h = conf->trailers->elts; - for (i = 0; i < conf->trailers->nelts; i++) { - - if (!safe_status && !h[i].always) { - continue; - } - - r->expect_trailers = 1; - break; - } - } - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_trailers_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - ngx_str_t value; - ngx_uint_t i, safe_status; - ngx_chain_t *cl; - ngx_table_elt_t *t; - ngx_http_header_val_t *h; - ngx_http_headers_conf_t *conf; - - conf = ngx_http_get_module_loc_conf(r, ngx_http_headers_filter_module); - - if (in == NULL - || conf->trailers == NULL - || !r->expect_trailers - || r->header_only) - { - return ngx_http_next_body_filter(r, in); - } - - for (cl = in; cl; cl = cl->next) { - if (cl->buf->last_buf) { - break; - } - } - - if (cl == NULL) { - return ngx_http_next_body_filter(r, in); - } - - switch (r->headers_out.status) { - - case NGX_HTTP_OK: - case NGX_HTTP_CREATED: - case NGX_HTTP_NO_CONTENT: - case NGX_HTTP_PARTIAL_CONTENT: - case NGX_HTTP_MOVED_PERMANENTLY: - case NGX_HTTP_MOVED_TEMPORARILY: - case NGX_HTTP_SEE_OTHER: - case NGX_HTTP_NOT_MODIFIED: - case NGX_HTTP_TEMPORARY_REDIRECT: - case NGX_HTTP_PERMANENT_REDIRECT: - safe_status = 1; - break; - - default: - safe_status = 0; - break; - } - - h = conf->trailers->elts; - for (i = 0; i < conf->trailers->nelts; i++) { - - if (!safe_status && !h[i].always) { - continue; - } - - if (ngx_http_complex_value(r, &h[i].value, &value) != NGX_OK) { - return NGX_ERROR; - } - - if (value.len) { - t = ngx_list_push(&r->headers_out.trailers); - if (t == NULL) { - return NGX_ERROR; - } - - t->key = h[i].key; - t->value = value; - t->hash = 1; - } - } - - return ngx_http_next_body_filter(r, in); -} - - -static ngx_int_t -ngx_http_set_expires(ngx_http_request_t *r, ngx_http_headers_conf_t *conf) -{ - char *err; - size_t len; - time_t now, expires_time, max_age; - ngx_str_t value; - ngx_int_t rc; - ngx_uint_t i; - ngx_table_elt_t *e, *cc, **ccp; - ngx_http_expires_t expires; - - expires = conf->expires; - expires_time = conf->expires_time; - - if (conf->expires_value != NULL) { - - if (ngx_http_complex_value(r, conf->expires_value, &value) != NGX_OK) { - return NGX_ERROR; - } - - rc = ngx_http_parse_expires(&value, &expires, &expires_time, &err); - - if (rc != NGX_OK) { - return NGX_OK; - } - - if (expires == NGX_HTTP_EXPIRES_OFF) { - return NGX_OK; - } - } - - e = r->headers_out.expires; - - if (e == NULL) { - - e = ngx_list_push(&r->headers_out.headers); - if (e == NULL) { - return NGX_ERROR; - } - - r->headers_out.expires = e; - - e->hash = 1; - ngx_str_set(&e->key, "Expires"); - } - - len = sizeof("Mon, 28 Sep 1970 06:00:00 GMT"); - e->value.len = len - 1; - - ccp = r->headers_out.cache_control.elts; - - if (ccp == NULL) { - - if (ngx_array_init(&r->headers_out.cache_control, r->pool, - 1, sizeof(ngx_table_elt_t *)) - != NGX_OK) - { - return NGX_ERROR; - } - - cc = ngx_list_push(&r->headers_out.headers); - if (cc == NULL) { - return NGX_ERROR; - } - - cc->hash = 1; - ngx_str_set(&cc->key, "Cache-Control"); - - ccp = ngx_array_push(&r->headers_out.cache_control); - if (ccp == NULL) { - return NGX_ERROR; - } - - *ccp = cc; - - } else { - for (i = 1; i < r->headers_out.cache_control.nelts; i++) { - ccp[i]->hash = 0; - } - - cc = ccp[0]; - } - - if (expires == NGX_HTTP_EXPIRES_EPOCH) { - e->value.data = (u_char *) "Thu, 01 Jan 1970 00:00:01 GMT"; - ngx_str_set(&cc->value, "no-cache"); - return NGX_OK; - } - - if (expires == NGX_HTTP_EXPIRES_MAX) { - e->value.data = (u_char *) "Thu, 31 Dec 2037 23:55:55 GMT"; - /* 10 years */ - ngx_str_set(&cc->value, "max-age=315360000"); - return NGX_OK; - } - - e->value.data = ngx_pnalloc(r->pool, len); - if (e->value.data == NULL) { - return NGX_ERROR; - } - - if (expires_time == 0 && expires != NGX_HTTP_EXPIRES_DAILY) { - ngx_memcpy(e->value.data, ngx_cached_http_time.data, - ngx_cached_http_time.len + 1); - ngx_str_set(&cc->value, "max-age=0"); - return NGX_OK; - } - - now = ngx_time(); - - if (expires == NGX_HTTP_EXPIRES_DAILY) { - expires_time = ngx_next_time(expires_time); - max_age = expires_time - now; - - } else if (expires == NGX_HTTP_EXPIRES_ACCESS - || r->headers_out.last_modified_time == -1) - { - max_age = expires_time; - expires_time += now; - - } else { - expires_time += r->headers_out.last_modified_time; - max_age = expires_time - now; - } - - ngx_http_time(e->value.data, expires_time); - - if (conf->expires_time < 0 || max_age < 0) { - ngx_str_set(&cc->value, "no-cache"); - return NGX_OK; - } - - cc->value.data = ngx_pnalloc(r->pool, - sizeof("max-age=") + NGX_TIME_T_LEN + 1); - if (cc->value.data == NULL) { - return NGX_ERROR; - } - - cc->value.len = ngx_sprintf(cc->value.data, "max-age=%T", max_age) - - cc->value.data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_parse_expires(ngx_str_t *value, ngx_http_expires_t *expires, - time_t *expires_time, char **err) -{ - ngx_uint_t minus; - - if (*expires != NGX_HTTP_EXPIRES_MODIFIED) { - - if (value->len == 5 && ngx_strncmp(value->data, "epoch", 5) == 0) { - *expires = NGX_HTTP_EXPIRES_EPOCH; - return NGX_OK; - } - - if (value->len == 3 && ngx_strncmp(value->data, "max", 3) == 0) { - *expires = NGX_HTTP_EXPIRES_MAX; - return NGX_OK; - } - - if (value->len == 3 && ngx_strncmp(value->data, "off", 3) == 0) { - *expires = NGX_HTTP_EXPIRES_OFF; - return NGX_OK; - } - } - - if (value->len && value->data[0] == '@') { - value->data++; - value->len--; - minus = 0; - - if (*expires == NGX_HTTP_EXPIRES_MODIFIED) { - *err = "daily time cannot be used with \"modified\" parameter"; - return NGX_ERROR; - } - - *expires = NGX_HTTP_EXPIRES_DAILY; - - } else if (value->len && value->data[0] == '+') { - value->data++; - value->len--; - minus = 0; - - } else if (value->len && value->data[0] == '-') { - value->data++; - value->len--; - minus = 1; - - } else { - minus = 0; - } - - *expires_time = ngx_parse_time(value, 1); - - if (*expires_time == (time_t) NGX_ERROR) { - *err = "invalid value"; - return NGX_ERROR; - } - - if (*expires == NGX_HTTP_EXPIRES_DAILY - && *expires_time > 24 * 60 * 60) - { - *err = "daily time value must be less than 24 hours"; - return NGX_ERROR; - } - - if (minus) { - *expires_time = - *expires_time; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_add_header(ngx_http_request_t *r, ngx_http_header_val_t *hv, - ngx_str_t *value) -{ - ngx_table_elt_t *h; - - if (value->len) { - h = ngx_list_push(&r->headers_out.headers); - if (h == NULL) { - return NGX_ERROR; - } - - h->hash = 1; - h->key = hv->key; - h->value = *value; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_add_multi_header_lines(ngx_http_request_t *r, - ngx_http_header_val_t *hv, ngx_str_t *value) -{ - ngx_array_t *pa; - ngx_table_elt_t *h, **ph; - - if (value->len == 0) { - return NGX_OK; - } - - pa = (ngx_array_t *) ((char *) &r->headers_out + hv->offset); - - if (pa->elts == NULL) { - if (ngx_array_init(pa, r->pool, 1, sizeof(ngx_table_elt_t *)) != NGX_OK) - { - return NGX_ERROR; - } - } - - h = ngx_list_push(&r->headers_out.headers); - if (h == NULL) { - return NGX_ERROR; - } - - h->hash = 1; - h->key = hv->key; - h->value = *value; - - ph = ngx_array_push(pa); - if (ph == NULL) { - return NGX_ERROR; - } - - *ph = h; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_set_last_modified(ngx_http_request_t *r, ngx_http_header_val_t *hv, - ngx_str_t *value) -{ - if (ngx_http_set_response_header(r, hv, value) != NGX_OK) { - return NGX_ERROR; - } - - r->headers_out.last_modified_time = - (value->len) ? ngx_parse_http_time(value->data, value->len) : -1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_set_response_header(ngx_http_request_t *r, ngx_http_header_val_t *hv, - ngx_str_t *value) -{ - ngx_table_elt_t *h, **old; - - old = (ngx_table_elt_t **) ((char *) &r->headers_out + hv->offset); - - if (value->len == 0) { - if (*old) { - (*old)->hash = 0; - *old = NULL; - } - - return NGX_OK; - } - - if (*old) { - h = *old; - - } else { - h = ngx_list_push(&r->headers_out.headers); - if (h == NULL) { - return NGX_ERROR; - } - - *old = h; - } - - h->hash = 1; - h->key = hv->key; - h->value = *value; - - return NGX_OK; -} - - -static void * -ngx_http_headers_create_conf(ngx_conf_t *cf) -{ - ngx_http_headers_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_headers_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->headers = NULL; - * conf->trailers = NULL; - * conf->expires_time = 0; - * conf->expires_value = NULL; - */ - - conf->expires = NGX_HTTP_EXPIRES_UNSET; - - return conf; -} - - -static char * -ngx_http_headers_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_headers_conf_t *prev = parent; - ngx_http_headers_conf_t *conf = child; - - if (conf->expires == NGX_HTTP_EXPIRES_UNSET) { - conf->expires = prev->expires; - conf->expires_time = prev->expires_time; - conf->expires_value = prev->expires_value; - - if (conf->expires == NGX_HTTP_EXPIRES_UNSET) { - conf->expires = NGX_HTTP_EXPIRES_OFF; - } - } - - if (conf->headers == NULL) { - conf->headers = prev->headers; - } - - if (conf->trailers == NULL) { - conf->trailers = prev->trailers; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_headers_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_headers_filter; - - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_trailers_filter; - - return NGX_OK; -} - - -static char * -ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_headers_conf_t *hcf = conf; - - char *err; - ngx_str_t *value; - ngx_int_t rc; - ngx_uint_t n; - ngx_http_complex_value_t cv; - ngx_http_compile_complex_value_t ccv; - - if (hcf->expires != NGX_HTTP_EXPIRES_UNSET) { - return "is duplicate"; - } - - value = cf->args->elts; - - if (cf->args->nelts == 2) { - - hcf->expires = NGX_HTTP_EXPIRES_ACCESS; - - n = 1; - - } else { /* cf->args->nelts == 3 */ - - if (ngx_strcmp(value[1].data, "modified") != 0) { - return "invalid value"; - } - - hcf->expires = NGX_HTTP_EXPIRES_MODIFIED; - - n = 2; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[n]; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths != NULL) { - - hcf->expires_value = ngx_palloc(cf->pool, - sizeof(ngx_http_complex_value_t)); - if (hcf->expires_value == NULL) { - return NGX_CONF_ERROR; - } - - *hcf->expires_value = cv; - - return NGX_CONF_OK; - } - - rc = ngx_http_parse_expires(&value[n], &hcf->expires, &hcf->expires_time, - &err); - if (rc != NGX_OK) { - return err; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_headers_conf_t *hcf = conf; - - ngx_str_t *value; - ngx_uint_t i; - ngx_array_t **headers; - ngx_http_header_val_t *hv; - ngx_http_set_header_t *set; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - headers = (ngx_array_t **) ((char *) hcf + cmd->offset); - - if (*headers == NULL) { - *headers = ngx_array_create(cf->pool, 1, - sizeof(ngx_http_header_val_t)); - if (*headers == NULL) { - return NGX_CONF_ERROR; - } - } - - hv = ngx_array_push(*headers); - if (hv == NULL) { - return NGX_CONF_ERROR; - } - - hv->key = value[1]; - hv->handler = NULL; - hv->offset = 0; - hv->always = 0; - - if (headers == &hcf->headers) { - hv->handler = ngx_http_add_header; - - set = ngx_http_set_headers; - for (i = 0; set[i].name.len; i++) { - if (ngx_strcasecmp(value[1].data, set[i].name.data) != 0) { - continue; - } - - hv->offset = set[i].offset; - hv->handler = set[i].handler; - - break; - } - } - - if (value[2].len == 0) { - ngx_memzero(&hv->value, sizeof(ngx_http_complex_value_t)); - - } else { - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[2]; - ccv.complex_value = &hv->value; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - - if (cf->args->nelts == 3) { - return NGX_CONF_OK; - } - - if (ngx_strcmp(value[3].data, "always") != 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[3]); - return NGX_CONF_ERROR; - } - - hv->always = 1; - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_image_filter_module.c b/nginx/src/http/modules/ngx_http_image_filter_module.c deleted file mode 100644 index 6c03e8a..0000000 --- a/nginx/src/http/modules/ngx_http_image_filter_module.c +++ /dev/null @@ -1,1675 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - -#include <gd.h> - - -#define NGX_HTTP_IMAGE_OFF 0 -#define NGX_HTTP_IMAGE_TEST 1 -#define NGX_HTTP_IMAGE_SIZE 2 -#define NGX_HTTP_IMAGE_RESIZE 3 -#define NGX_HTTP_IMAGE_CROP 4 -#define NGX_HTTP_IMAGE_ROTATE 5 - - -#define NGX_HTTP_IMAGE_START 0 -#define NGX_HTTP_IMAGE_READ 1 -#define NGX_HTTP_IMAGE_PROCESS 2 -#define NGX_HTTP_IMAGE_PASS 3 -#define NGX_HTTP_IMAGE_DONE 4 - - -#define NGX_HTTP_IMAGE_NONE 0 -#define NGX_HTTP_IMAGE_JPEG 1 -#define NGX_HTTP_IMAGE_GIF 2 -#define NGX_HTTP_IMAGE_PNG 3 -#define NGX_HTTP_IMAGE_WEBP 4 - - -#define NGX_HTTP_IMAGE_BUFFERED 0x08 - - -typedef struct { - ngx_uint_t filter; - ngx_uint_t width; - ngx_uint_t height; - ngx_uint_t angle; - ngx_uint_t jpeg_quality; - ngx_uint_t webp_quality; - ngx_uint_t sharpen; - - ngx_flag_t transparency; - ngx_flag_t interlace; - - ngx_http_complex_value_t *wcv; - ngx_http_complex_value_t *hcv; - ngx_http_complex_value_t *acv; - ngx_http_complex_value_t *jqcv; - ngx_http_complex_value_t *wqcv; - ngx_http_complex_value_t *shcv; - - size_t buffer_size; -} ngx_http_image_filter_conf_t; - - -typedef struct { - u_char *image; - u_char *last; - - size_t length; - - ngx_uint_t width; - ngx_uint_t height; - ngx_uint_t max_width; - ngx_uint_t max_height; - ngx_uint_t angle; - - ngx_uint_t phase; - ngx_uint_t type; - ngx_uint_t force; -} ngx_http_image_filter_ctx_t; - - -static ngx_int_t ngx_http_image_send(ngx_http_request_t *r, - ngx_http_image_filter_ctx_t *ctx, ngx_chain_t *in); -static ngx_uint_t ngx_http_image_test(ngx_http_request_t *r, ngx_chain_t *in); -static ngx_int_t ngx_http_image_read(ngx_http_request_t *r, ngx_chain_t *in); -static ngx_buf_t *ngx_http_image_process(ngx_http_request_t *r); -static ngx_buf_t *ngx_http_image_json(ngx_http_request_t *r, - ngx_http_image_filter_ctx_t *ctx); -static ngx_buf_t *ngx_http_image_asis(ngx_http_request_t *r, - ngx_http_image_filter_ctx_t *ctx); -static void ngx_http_image_length(ngx_http_request_t *r, ngx_buf_t *b); -static ngx_int_t ngx_http_image_size(ngx_http_request_t *r, - ngx_http_image_filter_ctx_t *ctx); - -static ngx_buf_t *ngx_http_image_resize(ngx_http_request_t *r, - ngx_http_image_filter_ctx_t *ctx); -static gdImagePtr ngx_http_image_source(ngx_http_request_t *r, - ngx_http_image_filter_ctx_t *ctx); -static gdImagePtr ngx_http_image_new(ngx_http_request_t *r, int w, int h, - int colors); -static u_char *ngx_http_image_out(ngx_http_request_t *r, ngx_uint_t type, - gdImagePtr img, int *size); -static void ngx_http_image_cleanup(void *data); -static ngx_uint_t ngx_http_image_filter_get_value(ngx_http_request_t *r, - ngx_http_complex_value_t *cv, ngx_uint_t v); -static ngx_uint_t ngx_http_image_filter_value(ngx_str_t *value); - - -static void *ngx_http_image_filter_create_conf(ngx_conf_t *cf); -static char *ngx_http_image_filter_merge_conf(ngx_conf_t *cf, void *parent, - void *child); -static char *ngx_http_image_filter(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_image_filter_jpeg_quality(ngx_conf_t *cf, - ngx_command_t *cmd, void *conf); -static char *ngx_http_image_filter_webp_quality(ngx_conf_t *cf, - ngx_command_t *cmd, void *conf); -static char *ngx_http_image_filter_sharpen(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static ngx_int_t ngx_http_image_filter_init(ngx_conf_t *cf); - - -static ngx_command_t ngx_http_image_filter_commands[] = { - - { ngx_string("image_filter"), - NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, - ngx_http_image_filter, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("image_filter_jpeg_quality"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_image_filter_jpeg_quality, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("image_filter_webp_quality"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_image_filter_webp_quality, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("image_filter_sharpen"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_image_filter_sharpen, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("image_filter_transparency"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_image_filter_conf_t, transparency), - NULL }, - - { ngx_string("image_filter_interlace"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_image_filter_conf_t, interlace), - NULL }, - - { ngx_string("image_filter_buffer"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_image_filter_conf_t, buffer_size), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_image_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_image_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_image_filter_create_conf, /* create location configuration */ - ngx_http_image_filter_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_image_filter_module = { - NGX_MODULE_V1, - &ngx_http_image_filter_module_ctx, /* module context */ - ngx_http_image_filter_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static ngx_str_t ngx_http_image_types[] = { - ngx_string("image/jpeg"), - ngx_string("image/gif"), - ngx_string("image/png"), - ngx_string("image/webp") -}; - - -static ngx_int_t -ngx_http_image_header_filter(ngx_http_request_t *r) -{ - off_t len; - ngx_http_image_filter_ctx_t *ctx; - ngx_http_image_filter_conf_t *conf; - - if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED) { - return ngx_http_next_header_filter(r); - } - - ctx = ngx_http_get_module_ctx(r, ngx_http_image_filter_module); - - if (ctx) { - ngx_http_set_ctx(r, NULL, ngx_http_image_filter_module); - return ngx_http_next_header_filter(r); - } - - conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module); - - if (conf->filter == NGX_HTTP_IMAGE_OFF) { - return ngx_http_next_header_filter(r); - } - - if (r->headers_out.content_type.len - >= sizeof("multipart/x-mixed-replace") - 1 - && ngx_strncasecmp(r->headers_out.content_type.data, - (u_char *) "multipart/x-mixed-replace", - sizeof("multipart/x-mixed-replace") - 1) - == 0) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "image filter: multipart/x-mixed-replace response"); - - return NGX_ERROR; - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_image_filter_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_image_filter_module); - - len = r->headers_out.content_length_n; - - if (len != -1 && len > (off_t) conf->buffer_size) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "image filter: too big response: %O", len); - - return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE; - } - - if (len == -1) { - ctx->length = conf->buffer_size; - - } else { - ctx->length = (size_t) len; - } - - if (r->headers_out.refresh) { - r->headers_out.refresh->hash = 0; - } - - r->main_filter_need_in_memory = 1; - r->allow_ranges = 0; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_image_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - ngx_int_t rc; - ngx_str_t *ct; - ngx_chain_t out; - ngx_http_image_filter_ctx_t *ctx; - ngx_http_image_filter_conf_t *conf; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "image filter"); - - if (in == NULL) { - return ngx_http_next_body_filter(r, in); - } - - ctx = ngx_http_get_module_ctx(r, ngx_http_image_filter_module); - - if (ctx == NULL) { - return ngx_http_next_body_filter(r, in); - } - - switch (ctx->phase) { - - case NGX_HTTP_IMAGE_START: - - ctx->type = ngx_http_image_test(r, in); - - conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module); - - if (ctx->type == NGX_HTTP_IMAGE_NONE) { - - if (conf->filter == NGX_HTTP_IMAGE_SIZE) { - out.buf = ngx_http_image_json(r, NULL); - - if (out.buf) { - out.next = NULL; - ctx->phase = NGX_HTTP_IMAGE_DONE; - - return ngx_http_image_send(r, ctx, &out); - } - } - - return ngx_http_filter_finalize_request(r, - &ngx_http_image_filter_module, - NGX_HTTP_UNSUPPORTED_MEDIA_TYPE); - } - - /* override content type */ - - ct = &ngx_http_image_types[ctx->type - 1]; - r->headers_out.content_type_len = ct->len; - r->headers_out.content_type = *ct; - r->headers_out.content_type_lowcase = NULL; - - if (conf->filter == NGX_HTTP_IMAGE_TEST) { - ctx->phase = NGX_HTTP_IMAGE_PASS; - - return ngx_http_image_send(r, ctx, in); - } - - ctx->phase = NGX_HTTP_IMAGE_READ; - - /* fall through */ - - case NGX_HTTP_IMAGE_READ: - - rc = ngx_http_image_read(r, in); - - if (rc == NGX_AGAIN) { - return NGX_OK; - } - - if (rc == NGX_ERROR) { - return ngx_http_filter_finalize_request(r, - &ngx_http_image_filter_module, - NGX_HTTP_UNSUPPORTED_MEDIA_TYPE); - } - - /* fall through */ - - case NGX_HTTP_IMAGE_PROCESS: - - out.buf = ngx_http_image_process(r); - - if (out.buf == NULL) { - return ngx_http_filter_finalize_request(r, - &ngx_http_image_filter_module, - NGX_HTTP_UNSUPPORTED_MEDIA_TYPE); - } - - out.next = NULL; - ctx->phase = NGX_HTTP_IMAGE_PASS; - - return ngx_http_image_send(r, ctx, &out); - - case NGX_HTTP_IMAGE_PASS: - - return ngx_http_next_body_filter(r, in); - - default: /* NGX_HTTP_IMAGE_DONE */ - - rc = ngx_http_next_body_filter(r, NULL); - - /* NGX_ERROR resets any pending data */ - return (rc == NGX_OK) ? NGX_ERROR : rc; - } -} - - -static ngx_int_t -ngx_http_image_send(ngx_http_request_t *r, ngx_http_image_filter_ctx_t *ctx, - ngx_chain_t *in) -{ - ngx_int_t rc; - - rc = ngx_http_next_header_filter(r); - - if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { - return NGX_ERROR; - } - - rc = ngx_http_next_body_filter(r, in); - - if (ctx->phase == NGX_HTTP_IMAGE_DONE) { - /* NGX_ERROR resets any pending data */ - return (rc == NGX_OK) ? NGX_ERROR : rc; - } - - return rc; -} - - -static ngx_uint_t -ngx_http_image_test(ngx_http_request_t *r, ngx_chain_t *in) -{ - u_char *p; - - p = in->buf->pos; - - if (in->buf->last - p < 16) { - return NGX_HTTP_IMAGE_NONE; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "image filter: \"%c%c\"", p[0], p[1]); - - if (p[0] == 0xff && p[1] == 0xd8) { - - /* JPEG */ - - return NGX_HTTP_IMAGE_JPEG; - - } else if (p[0] == 'G' && p[1] == 'I' && p[2] == 'F' && p[3] == '8' - && p[5] == 'a') - { - if (p[4] == '9' || p[4] == '7') { - /* GIF */ - return NGX_HTTP_IMAGE_GIF; - } - - } else if (p[0] == 0x89 && p[1] == 'P' && p[2] == 'N' && p[3] == 'G' - && p[4] == 0x0d && p[5] == 0x0a && p[6] == 0x1a && p[7] == 0x0a) - { - /* PNG */ - - return NGX_HTTP_IMAGE_PNG; - - } else if (p[0] == 'R' && p[1] == 'I' && p[2] == 'F' && p[3] == 'F' - && p[8] == 'W' && p[9] == 'E' && p[10] == 'B' && p[11] == 'P') - { - /* WebP */ - - return NGX_HTTP_IMAGE_WEBP; - } - - return NGX_HTTP_IMAGE_NONE; -} - - -static ngx_int_t -ngx_http_image_read(ngx_http_request_t *r, ngx_chain_t *in) -{ - u_char *p; - size_t size, rest; - ngx_buf_t *b; - ngx_chain_t *cl; - ngx_http_image_filter_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_image_filter_module); - - if (ctx->image == NULL) { - ctx->image = ngx_palloc(r->pool, ctx->length); - if (ctx->image == NULL) { - return NGX_ERROR; - } - - ctx->last = ctx->image; - } - - p = ctx->last; - - for (cl = in; cl; cl = cl->next) { - - b = cl->buf; - size = b->last - b->pos; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "image buf: %uz", size); - - rest = ctx->image + ctx->length - p; - - if (size > rest) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "image filter: too big response"); - return NGX_ERROR; - } - - p = ngx_cpymem(p, b->pos, size); - b->pos += size; - - if (b->last_buf) { - ctx->last = p; - return NGX_OK; - } - } - - ctx->last = p; - r->connection->buffered |= NGX_HTTP_IMAGE_BUFFERED; - - return NGX_AGAIN; -} - - -static ngx_buf_t * -ngx_http_image_process(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_http_image_filter_ctx_t *ctx; - ngx_http_image_filter_conf_t *conf; - - r->connection->buffered &= ~NGX_HTTP_IMAGE_BUFFERED; - - ctx = ngx_http_get_module_ctx(r, ngx_http_image_filter_module); - - rc = ngx_http_image_size(r, ctx); - - conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module); - - if (conf->filter == NGX_HTTP_IMAGE_SIZE) { - return ngx_http_image_json(r, rc == NGX_OK ? ctx : NULL); - } - - ctx->angle = ngx_http_image_filter_get_value(r, conf->acv, conf->angle); - - if (conf->filter == NGX_HTTP_IMAGE_ROTATE) { - - if (ctx->angle != 90 && ctx->angle != 180 && ctx->angle != 270) { - return NULL; - } - - return ngx_http_image_resize(r, ctx); - } - - ctx->max_width = ngx_http_image_filter_get_value(r, conf->wcv, conf->width); - if (ctx->max_width == 0) { - return NULL; - } - - ctx->max_height = ngx_http_image_filter_get_value(r, conf->hcv, - conf->height); - if (ctx->max_height == 0) { - return NULL; - } - - if (rc == NGX_OK - && ctx->width <= ctx->max_width - && ctx->height <= ctx->max_height - && ctx->angle == 0 - && !ctx->force) - { - return ngx_http_image_asis(r, ctx); - } - - return ngx_http_image_resize(r, ctx); -} - - -static ngx_buf_t * -ngx_http_image_json(ngx_http_request_t *r, ngx_http_image_filter_ctx_t *ctx) -{ - size_t len; - ngx_buf_t *b; - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NULL; - } - - b->memory = 1; - b->last_buf = 1; - - ngx_http_clean_header(r); - - r->headers_out.status = NGX_HTTP_OK; - r->headers_out.content_type_len = sizeof("application/json") - 1; - ngx_str_set(&r->headers_out.content_type, "application/json"); - r->headers_out.content_type_lowcase = NULL; - - if (ctx == NULL) { - b->pos = (u_char *) "{}" CRLF; - b->last = b->pos + sizeof("{}" CRLF) - 1; - - ngx_http_image_length(r, b); - - return b; - } - - len = sizeof("{ \"img\" : " - "{ \"width\": , \"height\": , \"type\": \"jpeg\" } }" CRLF) - 1 - + 2 * NGX_SIZE_T_LEN; - - b->pos = ngx_pnalloc(r->pool, len); - if (b->pos == NULL) { - return NULL; - } - - b->last = ngx_sprintf(b->pos, - "{ \"img\" : " - "{ \"width\": %uz," - " \"height\": %uz," - " \"type\": \"%s\" } }" CRLF, - ctx->width, ctx->height, - ngx_http_image_types[ctx->type - 1].data + 6); - - ngx_http_image_length(r, b); - - return b; -} - - -static ngx_buf_t * -ngx_http_image_asis(ngx_http_request_t *r, ngx_http_image_filter_ctx_t *ctx) -{ - ngx_buf_t *b; - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NULL; - } - - b->pos = ctx->image; - b->last = ctx->last; - b->memory = 1; - b->last_buf = 1; - - ngx_http_image_length(r, b); - - return b; -} - - -static void -ngx_http_image_length(ngx_http_request_t *r, ngx_buf_t *b) -{ - r->headers_out.content_length_n = b->last - b->pos; - - if (r->headers_out.content_length) { - r->headers_out.content_length->hash = 0; - } - - r->headers_out.content_length = NULL; -} - - -static ngx_int_t -ngx_http_image_size(ngx_http_request_t *r, ngx_http_image_filter_ctx_t *ctx) -{ - u_char *p, *last; - size_t len, app; - ngx_uint_t width, height; - - p = ctx->image; - - switch (ctx->type) { - - case NGX_HTTP_IMAGE_JPEG: - - p += 2; - last = ctx->image + ctx->length - 10; - width = 0; - height = 0; - app = 0; - - while (p < last) { - - if (p[0] == 0xff && p[1] != 0xff) { - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "JPEG: %02xd %02xd", p[0], p[1]); - - p++; - - if ((*p == 0xc0 || *p == 0xc1 || *p == 0xc2 || *p == 0xc3 - || *p == 0xc9 || *p == 0xca || *p == 0xcb) - && (width == 0 || height == 0)) - { - width = p[6] * 256 + p[7]; - height = p[4] * 256 + p[5]; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "JPEG: %02xd %02xd", p[1], p[2]); - - len = p[1] * 256 + p[2]; - - if (*p >= 0xe1 && *p <= 0xef) { - /* application data, e.g., EXIF, Adobe XMP, etc. */ - app += len; - } - - p += len; - - continue; - } - - p++; - } - - if (width == 0 || height == 0) { - return NGX_DECLINED; - } - - if (ctx->length / 20 < app) { - /* force conversion if application data consume more than 5% */ - ctx->force = 1; - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "app data size: %uz", app); - } - - break; - - case NGX_HTTP_IMAGE_GIF: - - if (ctx->length < 10) { - return NGX_DECLINED; - } - - width = p[7] * 256 + p[6]; - height = p[9] * 256 + p[8]; - - break; - - case NGX_HTTP_IMAGE_PNG: - - if (ctx->length < 24) { - return NGX_DECLINED; - } - - width = p[18] * 256 + p[19]; - height = p[22] * 256 + p[23]; - - break; - - case NGX_HTTP_IMAGE_WEBP: - - if (ctx->length < 30) { - return NGX_DECLINED; - } - - if (p[12] != 'V' || p[13] != 'P' || p[14] != '8') { - return NGX_DECLINED; - } - - switch (p[15]) { - - case ' ': - if (p[20] & 1) { - /* not a key frame */ - return NGX_DECLINED; - } - - if (p[23] != 0x9d || p[24] != 0x01 || p[25] != 0x2a) { - /* invalid start code */ - return NGX_DECLINED; - } - - width = (p[26] | p[27] << 8) & 0x3fff; - height = (p[28] | p[29] << 8) & 0x3fff; - - break; - - case 'L': - if (p[20] != 0x2f) { - /* invalid signature */ - return NGX_DECLINED; - } - - width = ((p[21] | p[22] << 8) & 0x3fff) + 1; - height = ((p[22] >> 6 | p[23] << 2 | p[24] << 10) & 0x3fff) + 1; - - break; - - case 'X': - width = (p[24] | p[25] << 8 | p[26] << 16) + 1; - height = (p[27] | p[28] << 8 | p[29] << 16) + 1; - break; - - default: - return NGX_DECLINED; - } - - break; - - default: - - return NGX_DECLINED; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "image size: %d x %d", (int) width, (int) height); - - ctx->width = width; - ctx->height = height; - - return NGX_OK; -} - - -static ngx_buf_t * -ngx_http_image_resize(ngx_http_request_t *r, ngx_http_image_filter_ctx_t *ctx) -{ - int sx, sy, dx, dy, ox, oy, ax, ay, size, - colors, palette, transparent, sharpen, - red, green, blue, t; - u_char *out; - ngx_buf_t *b; - ngx_uint_t resize; - gdImagePtr src, dst; - ngx_pool_cleanup_t *cln; - ngx_http_image_filter_conf_t *conf; - - src = ngx_http_image_source(r, ctx); - - if (src == NULL) { - return NULL; - } - - sx = gdImageSX(src); - sy = gdImageSY(src); - - conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module); - - if (!ctx->force - && ctx->angle == 0 - && (ngx_uint_t) sx <= ctx->max_width - && (ngx_uint_t) sy <= ctx->max_height) - { - gdImageDestroy(src); - return ngx_http_image_asis(r, ctx); - } - - colors = gdImageColorsTotal(src); - - if (colors && conf->transparency) { - transparent = gdImageGetTransparent(src); - - if (transparent != -1) { - palette = colors; - red = gdImageRed(src, transparent); - green = gdImageGreen(src, transparent); - blue = gdImageBlue(src, transparent); - - goto transparent; - } - } - - palette = 0; - transparent = -1; - red = 0; - green = 0; - blue = 0; - -transparent: - - gdImageColorTransparent(src, -1); - - dx = sx; - dy = sy; - - if (conf->filter == NGX_HTTP_IMAGE_RESIZE) { - - if ((ngx_uint_t) dx > ctx->max_width) { - dy = dy * ctx->max_width / dx; - dy = dy ? dy : 1; - dx = ctx->max_width; - } - - if ((ngx_uint_t) dy > ctx->max_height) { - dx = dx * ctx->max_height / dy; - dx = dx ? dx : 1; - dy = ctx->max_height; - } - - resize = 1; - - } else if (conf->filter == NGX_HTTP_IMAGE_ROTATE) { - - resize = 0; - - } else { /* NGX_HTTP_IMAGE_CROP */ - - resize = 0; - - if ((double) dx / dy < (double) ctx->max_width / ctx->max_height) { - if ((ngx_uint_t) dx > ctx->max_width) { - dy = dy * ctx->max_width / dx; - dy = dy ? dy : 1; - dx = ctx->max_width; - resize = 1; - } - - } else { - if ((ngx_uint_t) dy > ctx->max_height) { - dx = dx * ctx->max_height / dy; - dx = dx ? dx : 1; - dy = ctx->max_height; - resize = 1; - } - } - } - - if (resize) { - dst = ngx_http_image_new(r, dx, dy, palette); - if (dst == NULL) { - gdImageDestroy(src); - return NULL; - } - - if (colors == 0) { - gdImageSaveAlpha(dst, 1); - gdImageAlphaBlending(dst, 0); - } - - gdImageCopyResampled(dst, src, 0, 0, 0, 0, dx, dy, sx, sy); - - if (colors) { - gdImageTrueColorToPalette(dst, 1, 256); - } - - gdImageDestroy(src); - - } else { - dst = src; - } - - if (ctx->angle) { - src = dst; - - ax = (dx % 2 == 0) ? 1 : 0; - ay = (dy % 2 == 0) ? 1 : 0; - - switch (ctx->angle) { - - case 90: - case 270: - dst = ngx_http_image_new(r, dy, dx, palette); - if (dst == NULL) { - gdImageDestroy(src); - return NULL; - } - if (ctx->angle == 90) { - ox = dy / 2 + ay; - oy = dx / 2 - ax; - - } else { - ox = dy / 2 - ay; - oy = dx / 2 + ax; - } - - gdImageCopyRotated(dst, src, ox, oy, 0, 0, - dx + ax, dy + ay, ctx->angle); - gdImageDestroy(src); - - t = dx; - dx = dy; - dy = t; - break; - - case 180: - dst = ngx_http_image_new(r, dx, dy, palette); - if (dst == NULL) { - gdImageDestroy(src); - return NULL; - } - gdImageCopyRotated(dst, src, dx / 2 - ax, dy / 2 - ay, 0, 0, - dx + ax, dy + ay, ctx->angle); - gdImageDestroy(src); - break; - } - } - - if (conf->filter == NGX_HTTP_IMAGE_CROP) { - - src = dst; - - if ((ngx_uint_t) dx > ctx->max_width) { - ox = dx - ctx->max_width; - - } else { - ox = 0; - } - - if ((ngx_uint_t) dy > ctx->max_height) { - oy = dy - ctx->max_height; - - } else { - oy = 0; - } - - if (ox || oy) { - - dst = ngx_http_image_new(r, dx - ox, dy - oy, colors); - - if (dst == NULL) { - gdImageDestroy(src); - return NULL; - } - - ox /= 2; - oy /= 2; - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "image crop: %d x %d @ %d x %d", - dx, dy, ox, oy); - - if (colors == 0) { - gdImageSaveAlpha(dst, 1); - gdImageAlphaBlending(dst, 0); - } - - gdImageCopy(dst, src, 0, 0, ox, oy, dx - ox, dy - oy); - - if (colors) { - gdImageTrueColorToPalette(dst, 1, 256); - } - - gdImageDestroy(src); - } - } - - if (transparent != -1 && colors) { - gdImageColorTransparent(dst, gdImageColorExact(dst, red, green, blue)); - } - - sharpen = ngx_http_image_filter_get_value(r, conf->shcv, conf->sharpen); - if (sharpen > 0) { - gdImageSharpen(dst, sharpen); - } - - gdImageInterlace(dst, (int) conf->interlace); - - out = ngx_http_image_out(r, ctx->type, dst, &size); - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "image: %d x %d %d", sx, sy, colors); - - gdImageDestroy(dst); - ngx_pfree(r->pool, ctx->image); - - if (out == NULL) { - return NULL; - } - - cln = ngx_pool_cleanup_add(r->pool, 0); - if (cln == NULL) { - gdFree(out); - return NULL; - } - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - gdFree(out); - return NULL; - } - - cln->handler = ngx_http_image_cleanup; - cln->data = out; - - b->pos = out; - b->last = out + size; - b->memory = 1; - b->last_buf = 1; - - ngx_http_image_length(r, b); - ngx_http_weak_etag(r); - - return b; -} - - -static gdImagePtr -ngx_http_image_source(ngx_http_request_t *r, ngx_http_image_filter_ctx_t *ctx) -{ - char *failed; - gdImagePtr img; - - img = NULL; - - switch (ctx->type) { - - case NGX_HTTP_IMAGE_JPEG: - img = gdImageCreateFromJpegPtr(ctx->length, ctx->image); - failed = "gdImageCreateFromJpegPtr() failed"; - break; - - case NGX_HTTP_IMAGE_GIF: - img = gdImageCreateFromGifPtr(ctx->length, ctx->image); - failed = "gdImageCreateFromGifPtr() failed"; - break; - - case NGX_HTTP_IMAGE_PNG: - img = gdImageCreateFromPngPtr(ctx->length, ctx->image); - failed = "gdImageCreateFromPngPtr() failed"; - break; - - case NGX_HTTP_IMAGE_WEBP: -#if (NGX_HAVE_GD_WEBP) - img = gdImageCreateFromWebpPtr(ctx->length, ctx->image); - failed = "gdImageCreateFromWebpPtr() failed"; -#else - failed = "nginx was built without GD WebP support"; -#endif - break; - - default: - failed = "unknown image type"; - break; - } - - if (img == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, failed); - } - - return img; -} - - -static gdImagePtr -ngx_http_image_new(ngx_http_request_t *r, int w, int h, int colors) -{ - gdImagePtr img; - - if (colors == 0) { - img = gdImageCreateTrueColor(w, h); - - if (img == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "gdImageCreateTrueColor() failed"); - return NULL; - } - - } else { - img = gdImageCreate(w, h); - - if (img == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "gdImageCreate() failed"); - return NULL; - } - } - - return img; -} - - -static u_char * -ngx_http_image_out(ngx_http_request_t *r, ngx_uint_t type, gdImagePtr img, - int *size) -{ - char *failed; - u_char *out; - ngx_int_t q; - ngx_http_image_filter_conf_t *conf; - - out = NULL; - - switch (type) { - - case NGX_HTTP_IMAGE_JPEG: - conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module); - - q = ngx_http_image_filter_get_value(r, conf->jqcv, conf->jpeg_quality); - if (q <= 0) { - return NULL; - } - - out = gdImageJpegPtr(img, size, q); - failed = "gdImageJpegPtr() failed"; - break; - - case NGX_HTTP_IMAGE_GIF: - out = gdImageGifPtr(img, size); - failed = "gdImageGifPtr() failed"; - break; - - case NGX_HTTP_IMAGE_PNG: - out = gdImagePngPtr(img, size); - failed = "gdImagePngPtr() failed"; - break; - - case NGX_HTTP_IMAGE_WEBP: -#if (NGX_HAVE_GD_WEBP) - conf = ngx_http_get_module_loc_conf(r, ngx_http_image_filter_module); - - q = ngx_http_image_filter_get_value(r, conf->wqcv, conf->webp_quality); - if (q <= 0) { - return NULL; - } - - out = gdImageWebpPtrEx(img, size, q); - failed = "gdImageWebpPtrEx() failed"; -#else - failed = "nginx was built without GD WebP support"; -#endif - break; - - default: - failed = "unknown image type"; - break; - } - - if (out == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, failed); - } - - return out; -} - - -static void -ngx_http_image_cleanup(void *data) -{ - gdFree(data); -} - - -static ngx_uint_t -ngx_http_image_filter_get_value(ngx_http_request_t *r, - ngx_http_complex_value_t *cv, ngx_uint_t v) -{ - ngx_str_t val; - - if (cv == NULL) { - return v; - } - - if (ngx_http_complex_value(r, cv, &val) != NGX_OK) { - return 0; - } - - return ngx_http_image_filter_value(&val); -} - - -static ngx_uint_t -ngx_http_image_filter_value(ngx_str_t *value) -{ - ngx_int_t n; - - if (value->len == 1 && value->data[0] == '-') { - return (ngx_uint_t) -1; - } - - n = ngx_atoi(value->data, value->len); - - if (n > 0) { - return (ngx_uint_t) n; - } - - return 0; -} - - -static void * -ngx_http_image_filter_create_conf(ngx_conf_t *cf) -{ - ngx_http_image_filter_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_image_filter_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->width = 0; - * conf->height = 0; - * conf->angle = 0; - * conf->wcv = NULL; - * conf->hcv = NULL; - * conf->acv = NULL; - * conf->jqcv = NULL; - * conf->wqcv = NULL; - * conf->shcv = NULL; - */ - - conf->filter = NGX_CONF_UNSET_UINT; - conf->jpeg_quality = NGX_CONF_UNSET_UINT; - conf->webp_quality = NGX_CONF_UNSET_UINT; - conf->sharpen = NGX_CONF_UNSET_UINT; - conf->transparency = NGX_CONF_UNSET; - conf->interlace = NGX_CONF_UNSET; - conf->buffer_size = NGX_CONF_UNSET_SIZE; - - return conf; -} - - -static char * -ngx_http_image_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_image_filter_conf_t *prev = parent; - ngx_http_image_filter_conf_t *conf = child; - - if (conf->filter == NGX_CONF_UNSET_UINT) { - - if (prev->filter == NGX_CONF_UNSET_UINT) { - conf->filter = NGX_HTTP_IMAGE_OFF; - - } else { - conf->filter = prev->filter; - conf->width = prev->width; - conf->height = prev->height; - conf->angle = prev->angle; - conf->wcv = prev->wcv; - conf->hcv = prev->hcv; - conf->acv = prev->acv; - } - } - - if (conf->jpeg_quality == NGX_CONF_UNSET_UINT) { - - /* 75 is libjpeg default quality */ - ngx_conf_merge_uint_value(conf->jpeg_quality, prev->jpeg_quality, 75); - - if (conf->jqcv == NULL) { - conf->jqcv = prev->jqcv; - } - } - - if (conf->webp_quality == NGX_CONF_UNSET_UINT) { - - /* 80 is libwebp default quality */ - ngx_conf_merge_uint_value(conf->webp_quality, prev->webp_quality, 80); - - if (conf->wqcv == NULL) { - conf->wqcv = prev->wqcv; - } - } - - if (conf->sharpen == NGX_CONF_UNSET_UINT) { - ngx_conf_merge_uint_value(conf->sharpen, prev->sharpen, 0); - - if (conf->shcv == NULL) { - conf->shcv = prev->shcv; - } - } - - ngx_conf_merge_value(conf->transparency, prev->transparency, 1); - - ngx_conf_merge_value(conf->interlace, prev->interlace, 0); - - ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, - 1 * 1024 * 1024); - - return NGX_CONF_OK; -} - - -static char * -ngx_http_image_filter(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_image_filter_conf_t *imcf = conf; - - ngx_str_t *value; - ngx_int_t n; - ngx_uint_t i; - ngx_http_complex_value_t cv; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - i = 1; - - if (cf->args->nelts == 2) { - if (ngx_strcmp(value[i].data, "off") == 0) { - imcf->filter = NGX_HTTP_IMAGE_OFF; - - } else if (ngx_strcmp(value[i].data, "test") == 0) { - imcf->filter = NGX_HTTP_IMAGE_TEST; - - } else if (ngx_strcmp(value[i].data, "size") == 0) { - imcf->filter = NGX_HTTP_IMAGE_SIZE; - - } else { - goto failed; - } - - return NGX_CONF_OK; - - } else if (cf->args->nelts == 3) { - - if (ngx_strcmp(value[i].data, "rotate") == 0) { - if (imcf->filter != NGX_HTTP_IMAGE_RESIZE - && imcf->filter != NGX_HTTP_IMAGE_CROP) - { - imcf->filter = NGX_HTTP_IMAGE_ROTATE; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[++i]; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths == NULL) { - n = ngx_http_image_filter_value(&value[i]); - - if (n != 90 && n != 180 && n != 270) { - goto failed; - } - - imcf->angle = (ngx_uint_t) n; - - } else { - imcf->acv = ngx_palloc(cf->pool, - sizeof(ngx_http_complex_value_t)); - if (imcf->acv == NULL) { - return NGX_CONF_ERROR; - } - - *imcf->acv = cv; - } - - return NGX_CONF_OK; - - } else { - goto failed; - } - } - - if (ngx_strcmp(value[i].data, "resize") == 0) { - imcf->filter = NGX_HTTP_IMAGE_RESIZE; - - } else if (ngx_strcmp(value[i].data, "crop") == 0) { - imcf->filter = NGX_HTTP_IMAGE_CROP; - - } else { - goto failed; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[++i]; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths == NULL) { - n = ngx_http_image_filter_value(&value[i]); - - if (n == 0) { - goto failed; - } - - imcf->width = (ngx_uint_t) n; - - } else { - imcf->wcv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); - if (imcf->wcv == NULL) { - return NGX_CONF_ERROR; - } - - *imcf->wcv = cv; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[++i]; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths == NULL) { - n = ngx_http_image_filter_value(&value[i]); - - if (n == 0) { - goto failed; - } - - imcf->height = (ngx_uint_t) n; - - } else { - imcf->hcv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); - if (imcf->hcv == NULL) { - return NGX_CONF_ERROR; - } - - *imcf->hcv = cv; - } - - return NGX_CONF_OK; - -failed: - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%V\"", - &value[i]); - - return NGX_CONF_ERROR; -} - - -static char * -ngx_http_image_filter_jpeg_quality(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf) -{ - ngx_http_image_filter_conf_t *imcf = conf; - - ngx_str_t *value; - ngx_int_t n; - ngx_http_complex_value_t cv; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths == NULL) { - n = ngx_http_image_filter_value(&value[1]); - - if (n <= 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid value \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - imcf->jpeg_quality = (ngx_uint_t) n; - - } else { - imcf->jqcv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); - if (imcf->jqcv == NULL) { - return NGX_CONF_ERROR; - } - - *imcf->jqcv = cv; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_image_filter_webp_quality(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf) -{ - ngx_http_image_filter_conf_t *imcf = conf; - - ngx_str_t *value; - ngx_int_t n; - ngx_http_complex_value_t cv; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths == NULL) { - n = ngx_http_image_filter_value(&value[1]); - - if (n <= 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid value \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - imcf->webp_quality = (ngx_uint_t) n; - - } else { - imcf->wqcv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); - if (imcf->wqcv == NULL) { - return NGX_CONF_ERROR; - } - - *imcf->wqcv = cv; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_image_filter_sharpen(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf) -{ - ngx_http_image_filter_conf_t *imcf = conf; - - ngx_str_t *value; - ngx_int_t n; - ngx_http_complex_value_t cv; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths == NULL) { - n = ngx_http_image_filter_value(&value[1]); - - if (n < 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid value \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - imcf->sharpen = (ngx_uint_t) n; - - } else { - imcf->shcv = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t)); - if (imcf->shcv == NULL) { - return NGX_CONF_ERROR; - } - - *imcf->shcv = cv; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_image_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_image_header_filter; - - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_image_body_filter; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_index_module.c b/nginx/src/http/modules/ngx_http_index_module.c deleted file mode 100644 index c144b31..0000000 --- a/nginx/src/http/modules/ngx_http_index_module.c +++ /dev/null @@ -1,540 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_str_t name; - ngx_array_t *lengths; - ngx_array_t *values; -} ngx_http_index_t; - - -typedef struct { - ngx_array_t *indices; /* array of ngx_http_index_t */ - size_t max_index_len; -} ngx_http_index_loc_conf_t; - - -#define NGX_HTTP_DEFAULT_INDEX "index.html" - - -static ngx_int_t ngx_http_index_test_dir(ngx_http_request_t *r, - ngx_http_core_loc_conf_t *clcf, u_char *path, u_char *last); -static ngx_int_t ngx_http_index_error(ngx_http_request_t *r, - ngx_http_core_loc_conf_t *clcf, u_char *file, ngx_err_t err); - -static ngx_int_t ngx_http_index_init(ngx_conf_t *cf); -static void *ngx_http_index_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_index_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); -static char *ngx_http_index_set_index(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_command_t ngx_http_index_commands[] = { - - { ngx_string("index"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_index_set_index, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_index_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_index_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_index_create_loc_conf, /* create location configuration */ - ngx_http_index_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_index_module = { - NGX_MODULE_V1, - &ngx_http_index_module_ctx, /* module context */ - ngx_http_index_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -/* - * Try to open/test the first index file before the test of directory - * existence because valid requests should prevail over invalid ones. - * If open()/stat() of a file will fail then stat() of a directory - * should be faster because kernel may have already cached some data. - * Besides, Win32 may return ERROR_PATH_NOT_FOUND (NGX_ENOTDIR) at once. - * Unix has ENOTDIR error; however, it's less helpful than Win32's one: - * it only indicates that path points to a regular file, not a directory. - */ - -static ngx_int_t -ngx_http_index_handler(ngx_http_request_t *r) -{ - u_char *p, *name; - size_t len, root, reserve, allocated; - ngx_int_t rc; - ngx_str_t path, uri; - ngx_uint_t i, dir_tested; - ngx_http_index_t *index; - ngx_open_file_info_t of; - ngx_http_script_code_pt code; - ngx_http_script_engine_t e; - ngx_http_core_loc_conf_t *clcf; - ngx_http_index_loc_conf_t *ilcf; - ngx_http_script_len_code_pt lcode; - - if (r->uri.data[r->uri.len - 1] != '/') { - return NGX_DECLINED; - } - - if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD|NGX_HTTP_POST))) { - return NGX_DECLINED; - } - - ilcf = ngx_http_get_module_loc_conf(r, ngx_http_index_module); - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - allocated = 0; - root = 0; - dir_tested = 0; - name = NULL; - /* suppress MSVC warning */ - path.data = NULL; - - index = ilcf->indices->elts; - for (i = 0; i < ilcf->indices->nelts; i++) { - - if (index[i].lengths == NULL) { - - if (index[i].name.data[0] == '/') { - return ngx_http_internal_redirect(r, &index[i].name, &r->args); - } - - reserve = ilcf->max_index_len; - len = index[i].name.len; - - } else { - ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); - - e.ip = index[i].lengths->elts; - e.request = r; - e.flushed = 1; - - /* 1 is for terminating '\0' as in static names */ - len = 1; - - while (*(uintptr_t *) e.ip) { - lcode = *(ngx_http_script_len_code_pt *) e.ip; - len += lcode(&e); - } - - /* 16 bytes are preallocation */ - - reserve = len + 16; - } - - if (reserve > allocated) { - - name = ngx_http_map_uri_to_path(r, &path, &root, reserve); - if (name == NULL) { - return NGX_ERROR; - } - - allocated = path.data + path.len - name; - } - - if (index[i].values == NULL) { - - /* index[i].name.len includes the terminating '\0' */ - - ngx_memcpy(name, index[i].name.data, index[i].name.len); - - path.len = (name + index[i].name.len - 1) - path.data; - - } else { - e.ip = index[i].values->elts; - e.pos = name; - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - - if (*name == '/') { - uri.len = len - 1; - uri.data = name; - return ngx_http_internal_redirect(r, &uri, &r->args); - } - - path.len = e.pos - path.data; - - *e.pos = '\0'; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "open index \"%V\"", &path); - - ngx_memzero(&of, sizeof(ngx_open_file_info_t)); - - of.read_ahead = clcf->read_ahead; - of.directio = clcf->directio; - of.valid = clcf->open_file_cache_valid; - of.min_uses = clcf->open_file_cache_min_uses; - of.test_only = 1; - of.errors = clcf->open_file_cache_errors; - of.events = clcf->open_file_cache_events; - - if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) - != NGX_OK) - { - if (of.err == 0) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, of.err, - "%s \"%s\" failed", of.failed, path.data); - -#if (NGX_HAVE_OPENAT) - if (of.err == NGX_EMLINK - || of.err == NGX_ELOOP) - { - return NGX_HTTP_FORBIDDEN; - } -#endif - - if (of.err == NGX_ENOTDIR - || of.err == NGX_ENAMETOOLONG - || of.err == NGX_EACCES) - { - return ngx_http_index_error(r, clcf, path.data, of.err); - } - - if (!dir_tested) { - rc = ngx_http_index_test_dir(r, clcf, path.data, name - 1); - - if (rc != NGX_OK) { - return rc; - } - - dir_tested = 1; - } - - if (of.err == NGX_ENOENT) { - continue; - } - - ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, - "%s \"%s\" failed", of.failed, path.data); - - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - uri.len = r->uri.len + len - 1; - - if (!clcf->alias) { - uri.data = path.data + root; - - } else { - uri.data = ngx_pnalloc(r->pool, uri.len); - if (uri.data == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - p = ngx_copy(uri.data, r->uri.data, r->uri.len); - ngx_memcpy(p, name, len - 1); - } - - return ngx_http_internal_redirect(r, &uri, &r->args); - } - - return NGX_DECLINED; -} - - -static ngx_int_t -ngx_http_index_test_dir(ngx_http_request_t *r, ngx_http_core_loc_conf_t *clcf, - u_char *path, u_char *last) -{ - u_char c; - ngx_str_t dir; - ngx_open_file_info_t of; - - c = *last; - if (c != '/' || path == last) { - /* "alias" without trailing slash */ - c = *(++last); - } - *last = '\0'; - - dir.len = last - path; - dir.data = path; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http index check dir: \"%V\"", &dir); - - ngx_memzero(&of, sizeof(ngx_open_file_info_t)); - - of.test_dir = 1; - of.test_only = 1; - of.valid = clcf->open_file_cache_valid; - of.errors = clcf->open_file_cache_errors; - - if (ngx_http_set_disable_symlinks(r, clcf, &dir, &of) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_open_cached_file(clcf->open_file_cache, &dir, &of, r->pool) - != NGX_OK) - { - if (of.err) { - -#if (NGX_HAVE_OPENAT) - if (of.err == NGX_EMLINK - || of.err == NGX_ELOOP) - { - return NGX_HTTP_FORBIDDEN; - } -#endif - - if (of.err == NGX_ENOENT) { - *last = c; - return ngx_http_index_error(r, clcf, dir.data, NGX_ENOENT); - } - - if (of.err == NGX_EACCES) { - - *last = c; - - /* - * ngx_http_index_test_dir() is called after the first index - * file testing has returned an error distinct from NGX_EACCES. - * This means that directory searching is allowed. - */ - - return NGX_OK; - } - - ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, - "%s \"%s\" failed", of.failed, dir.data); - } - - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - *last = c; - - if (of.is_dir) { - return NGX_OK; - } - - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "\"%s\" is not a directory", dir.data); - - return NGX_HTTP_INTERNAL_SERVER_ERROR; -} - - -static ngx_int_t -ngx_http_index_error(ngx_http_request_t *r, ngx_http_core_loc_conf_t *clcf, - u_char *file, ngx_err_t err) -{ - if (err == NGX_EACCES) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, err, - "\"%s\" is forbidden", file); - - return NGX_HTTP_FORBIDDEN; - } - - if (clcf->log_not_found) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, err, - "\"%s\" is not found", file); - } - - return NGX_HTTP_NOT_FOUND; -} - - -static void * -ngx_http_index_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_index_loc_conf_t *conf; - - conf = ngx_palloc(cf->pool, sizeof(ngx_http_index_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - conf->indices = NULL; - conf->max_index_len = 0; - - return conf; -} - - -static char * -ngx_http_index_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_index_loc_conf_t *prev = parent; - ngx_http_index_loc_conf_t *conf = child; - - ngx_http_index_t *index; - - if (conf->indices == NULL) { - conf->indices = prev->indices; - conf->max_index_len = prev->max_index_len; - } - - if (conf->indices == NULL) { - conf->indices = ngx_array_create(cf->pool, 1, sizeof(ngx_http_index_t)); - if (conf->indices == NULL) { - return NGX_CONF_ERROR; - } - - index = ngx_array_push(conf->indices); - if (index == NULL) { - return NGX_CONF_ERROR; - } - - index->name.len = sizeof(NGX_HTTP_DEFAULT_INDEX); - index->name.data = (u_char *) NGX_HTTP_DEFAULT_INDEX; - index->lengths = NULL; - index->values = NULL; - - conf->max_index_len = sizeof(NGX_HTTP_DEFAULT_INDEX); - - return NGX_CONF_OK; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_index_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_index_handler; - - return NGX_OK; -} - - -/* TODO: warn about duplicate indices */ - -static char * -ngx_http_index_set_index(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_index_loc_conf_t *ilcf = conf; - - ngx_str_t *value; - ngx_uint_t i, n; - ngx_http_index_t *index; - ngx_http_script_compile_t sc; - - if (ilcf->indices == NULL) { - ilcf->indices = ngx_array_create(cf->pool, 2, sizeof(ngx_http_index_t)); - if (ilcf->indices == NULL) { - return NGX_CONF_ERROR; - } - } - - value = cf->args->elts; - - for (i = 1; i < cf->args->nelts; i++) { - - if (value[i].data[0] == '/' && i != cf->args->nelts - 1) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "only the last index in \"index\" directive " - "should be absolute"); - } - - if (value[i].len == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "index \"%V\" in \"index\" directive is invalid", - &value[1]); - return NGX_CONF_ERROR; - } - - index = ngx_array_push(ilcf->indices); - if (index == NULL) { - return NGX_CONF_ERROR; - } - - index->name.len = value[i].len; - index->name.data = value[i].data; - index->lengths = NULL; - index->values = NULL; - - n = ngx_http_script_variables_count(&value[i]); - - if (n == 0) { - if (ilcf->max_index_len < index->name.len) { - ilcf->max_index_len = index->name.len; - } - - if (index->name.data[0] == '/') { - continue; - } - - /* include the terminating '\0' to the length to use ngx_memcpy() */ - index->name.len++; - - continue; - } - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &value[i]; - sc.lengths = &index->lengths; - sc.values = &index->values; - sc.variables = n; - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_limit_conn_module.c b/nginx/src/http/modules/ngx_http_limit_conn_module.c deleted file mode 100644 index 913d599..0000000 --- a/nginx/src/http/modules/ngx_http_limit_conn_module.c +++ /dev/null @@ -1,670 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - u_char color; - u_char len; - u_short conn; - u_char data[1]; -} ngx_http_limit_conn_node_t; - - -typedef struct { - ngx_shm_zone_t *shm_zone; - ngx_rbtree_node_t *node; -} ngx_http_limit_conn_cleanup_t; - - -typedef struct { - ngx_rbtree_t *rbtree; - ngx_http_complex_value_t key; -} ngx_http_limit_conn_ctx_t; - - -typedef struct { - ngx_shm_zone_t *shm_zone; - ngx_uint_t conn; -} ngx_http_limit_conn_limit_t; - - -typedef struct { - ngx_array_t limits; - ngx_uint_t log_level; - ngx_uint_t status_code; -} ngx_http_limit_conn_conf_t; - - -static ngx_rbtree_node_t *ngx_http_limit_conn_lookup(ngx_rbtree_t *rbtree, - ngx_str_t *key, uint32_t hash); -static void ngx_http_limit_conn_cleanup(void *data); -static ngx_inline void ngx_http_limit_conn_cleanup_all(ngx_pool_t *pool); - -static void *ngx_http_limit_conn_create_conf(ngx_conf_t *cf); -static char *ngx_http_limit_conn_merge_conf(ngx_conf_t *cf, void *parent, - void *child); -static char *ngx_http_limit_conn_zone(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_limit_conn(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static ngx_int_t ngx_http_limit_conn_init(ngx_conf_t *cf); - - -static ngx_conf_enum_t ngx_http_limit_conn_log_levels[] = { - { ngx_string("info"), NGX_LOG_INFO }, - { ngx_string("notice"), NGX_LOG_NOTICE }, - { ngx_string("warn"), NGX_LOG_WARN }, - { ngx_string("error"), NGX_LOG_ERR }, - { ngx_null_string, 0 } -}; - - -static ngx_conf_num_bounds_t ngx_http_limit_conn_status_bounds = { - ngx_conf_check_num_bounds, 400, 599 -}; - - -static ngx_command_t ngx_http_limit_conn_commands[] = { - - { ngx_string("limit_conn_zone"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, - ngx_http_limit_conn_zone, - 0, - 0, - NULL }, - - { ngx_string("limit_conn"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_http_limit_conn, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("limit_conn_log_level"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_enum_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_limit_conn_conf_t, log_level), - &ngx_http_limit_conn_log_levels }, - - { ngx_string("limit_conn_status"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_limit_conn_conf_t, status_code), - &ngx_http_limit_conn_status_bounds }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_limit_conn_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_limit_conn_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_limit_conn_create_conf, /* create location configuration */ - ngx_http_limit_conn_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_limit_conn_module = { - NGX_MODULE_V1, - &ngx_http_limit_conn_module_ctx, /* module context */ - ngx_http_limit_conn_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_limit_conn_handler(ngx_http_request_t *r) -{ - size_t n; - uint32_t hash; - ngx_str_t key; - ngx_uint_t i; - ngx_slab_pool_t *shpool; - ngx_rbtree_node_t *node; - ngx_pool_cleanup_t *cln; - ngx_http_limit_conn_ctx_t *ctx; - ngx_http_limit_conn_node_t *lc; - ngx_http_limit_conn_conf_t *lccf; - ngx_http_limit_conn_limit_t *limits; - ngx_http_limit_conn_cleanup_t *lccln; - - if (r->main->limit_conn_set) { - return NGX_DECLINED; - } - - lccf = ngx_http_get_module_loc_conf(r, ngx_http_limit_conn_module); - limits = lccf->limits.elts; - - for (i = 0; i < lccf->limits.nelts; i++) { - ctx = limits[i].shm_zone->data; - - if (ngx_http_complex_value(r, &ctx->key, &key) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (key.len == 0) { - continue; - } - - if (key.len > 255) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "the value of the \"%V\" key " - "is more than 255 bytes: \"%V\"", - &ctx->key.value, &key); - continue; - } - - r->main->limit_conn_set = 1; - - hash = ngx_crc32_short(key.data, key.len); - - shpool = (ngx_slab_pool_t *) limits[i].shm_zone->shm.addr; - - ngx_shmtx_lock(&shpool->mutex); - - node = ngx_http_limit_conn_lookup(ctx->rbtree, &key, hash); - - if (node == NULL) { - - n = offsetof(ngx_rbtree_node_t, color) - + offsetof(ngx_http_limit_conn_node_t, data) - + key.len; - - node = ngx_slab_alloc_locked(shpool, n); - - if (node == NULL) { - ngx_shmtx_unlock(&shpool->mutex); - ngx_http_limit_conn_cleanup_all(r->pool); - return lccf->status_code; - } - - lc = (ngx_http_limit_conn_node_t *) &node->color; - - node->key = hash; - lc->len = (u_char) key.len; - lc->conn = 1; - ngx_memcpy(lc->data, key.data, key.len); - - ngx_rbtree_insert(ctx->rbtree, node); - - } else { - - lc = (ngx_http_limit_conn_node_t *) &node->color; - - if ((ngx_uint_t) lc->conn >= limits[i].conn) { - - ngx_shmtx_unlock(&shpool->mutex); - - ngx_log_error(lccf->log_level, r->connection->log, 0, - "limiting connections by zone \"%V\"", - &limits[i].shm_zone->shm.name); - - ngx_http_limit_conn_cleanup_all(r->pool); - return lccf->status_code; - } - - lc->conn++; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "limit conn: %08Xi %d", node->key, lc->conn); - - ngx_shmtx_unlock(&shpool->mutex); - - cln = ngx_pool_cleanup_add(r->pool, - sizeof(ngx_http_limit_conn_cleanup_t)); - if (cln == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - cln->handler = ngx_http_limit_conn_cleanup; - lccln = cln->data; - - lccln->shm_zone = limits[i].shm_zone; - lccln->node = node; - } - - return NGX_DECLINED; -} - - -static void -ngx_http_limit_conn_rbtree_insert_value(ngx_rbtree_node_t *temp, - ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) -{ - ngx_rbtree_node_t **p; - ngx_http_limit_conn_node_t *lcn, *lcnt; - - for ( ;; ) { - - if (node->key < temp->key) { - - p = &temp->left; - - } else if (node->key > temp->key) { - - p = &temp->right; - - } else { /* node->key == temp->key */ - - lcn = (ngx_http_limit_conn_node_t *) &node->color; - lcnt = (ngx_http_limit_conn_node_t *) &temp->color; - - p = (ngx_memn2cmp(lcn->data, lcnt->data, lcn->len, lcnt->len) < 0) - ? &temp->left : &temp->right; - } - - if (*p == sentinel) { - break; - } - - temp = *p; - } - - *p = node; - node->parent = temp; - node->left = sentinel; - node->right = sentinel; - ngx_rbt_red(node); -} - - -static ngx_rbtree_node_t * -ngx_http_limit_conn_lookup(ngx_rbtree_t *rbtree, ngx_str_t *key, uint32_t hash) -{ - ngx_int_t rc; - ngx_rbtree_node_t *node, *sentinel; - ngx_http_limit_conn_node_t *lcn; - - node = rbtree->root; - sentinel = rbtree->sentinel; - - while (node != sentinel) { - - if (hash < node->key) { - node = node->left; - continue; - } - - if (hash > node->key) { - node = node->right; - continue; - } - - /* hash == node->key */ - - lcn = (ngx_http_limit_conn_node_t *) &node->color; - - rc = ngx_memn2cmp(key->data, lcn->data, key->len, (size_t) lcn->len); - - if (rc == 0) { - return node; - } - - node = (rc < 0) ? node->left : node->right; - } - - return NULL; -} - - -static void -ngx_http_limit_conn_cleanup(void *data) -{ - ngx_http_limit_conn_cleanup_t *lccln = data; - - ngx_slab_pool_t *shpool; - ngx_rbtree_node_t *node; - ngx_http_limit_conn_ctx_t *ctx; - ngx_http_limit_conn_node_t *lc; - - ctx = lccln->shm_zone->data; - shpool = (ngx_slab_pool_t *) lccln->shm_zone->shm.addr; - node = lccln->node; - lc = (ngx_http_limit_conn_node_t *) &node->color; - - ngx_shmtx_lock(&shpool->mutex); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, lccln->shm_zone->shm.log, 0, - "limit conn cleanup: %08Xi %d", node->key, lc->conn); - - lc->conn--; - - if (lc->conn == 0) { - ngx_rbtree_delete(ctx->rbtree, node); - ngx_slab_free_locked(shpool, node); - } - - ngx_shmtx_unlock(&shpool->mutex); -} - - -static ngx_inline void -ngx_http_limit_conn_cleanup_all(ngx_pool_t *pool) -{ - ngx_pool_cleanup_t *cln; - - cln = pool->cleanup; - - while (cln && cln->handler == ngx_http_limit_conn_cleanup) { - ngx_http_limit_conn_cleanup(cln->data); - cln = cln->next; - } - - pool->cleanup = cln; -} - - -static ngx_int_t -ngx_http_limit_conn_init_zone(ngx_shm_zone_t *shm_zone, void *data) -{ - ngx_http_limit_conn_ctx_t *octx = data; - - size_t len; - ngx_slab_pool_t *shpool; - ngx_rbtree_node_t *sentinel; - ngx_http_limit_conn_ctx_t *ctx; - - ctx = shm_zone->data; - - if (octx) { - if (ctx->key.value.len != octx->key.value.len - || ngx_strncmp(ctx->key.value.data, octx->key.value.data, - ctx->key.value.len) - != 0) - { - ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0, - "limit_conn_zone \"%V\" uses the \"%V\" key " - "while previously it used the \"%V\" key", - &shm_zone->shm.name, &ctx->key.value, - &octx->key.value); - return NGX_ERROR; - } - - ctx->rbtree = octx->rbtree; - - return NGX_OK; - } - - shpool = (ngx_slab_pool_t *) shm_zone->shm.addr; - - if (shm_zone->shm.exists) { - ctx->rbtree = shpool->data; - - return NGX_OK; - } - - ctx->rbtree = ngx_slab_alloc(shpool, sizeof(ngx_rbtree_t)); - if (ctx->rbtree == NULL) { - return NGX_ERROR; - } - - shpool->data = ctx->rbtree; - - sentinel = ngx_slab_alloc(shpool, sizeof(ngx_rbtree_node_t)); - if (sentinel == NULL) { - return NGX_ERROR; - } - - ngx_rbtree_init(ctx->rbtree, sentinel, - ngx_http_limit_conn_rbtree_insert_value); - - len = sizeof(" in limit_conn_zone \"\"") + shm_zone->shm.name.len; - - shpool->log_ctx = ngx_slab_alloc(shpool, len); - if (shpool->log_ctx == NULL) { - return NGX_ERROR; - } - - ngx_sprintf(shpool->log_ctx, " in limit_conn_zone \"%V\"%Z", - &shm_zone->shm.name); - - return NGX_OK; -} - - -static void * -ngx_http_limit_conn_create_conf(ngx_conf_t *cf) -{ - ngx_http_limit_conn_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_limit_conn_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->limits.elts = NULL; - */ - - conf->log_level = NGX_CONF_UNSET_UINT; - conf->status_code = NGX_CONF_UNSET_UINT; - - return conf; -} - - -static char * -ngx_http_limit_conn_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_limit_conn_conf_t *prev = parent; - ngx_http_limit_conn_conf_t *conf = child; - - if (conf->limits.elts == NULL) { - conf->limits = prev->limits; - } - - ngx_conf_merge_uint_value(conf->log_level, prev->log_level, NGX_LOG_ERR); - ngx_conf_merge_uint_value(conf->status_code, prev->status_code, - NGX_HTTP_SERVICE_UNAVAILABLE); - - return NGX_CONF_OK; -} - - -static char * -ngx_http_limit_conn_zone(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - u_char *p; - ssize_t size; - ngx_str_t *value, name, s; - ngx_uint_t i; - ngx_shm_zone_t *shm_zone; - ngx_http_limit_conn_ctx_t *ctx; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_limit_conn_ctx_t)); - if (ctx == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &ctx->key; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - size = 0; - name.len = 0; - - for (i = 2; i < cf->args->nelts; i++) { - - if (ngx_strncmp(value[i].data, "zone=", 5) == 0) { - - name.data = value[i].data + 5; - - p = (u_char *) ngx_strchr(name.data, ':'); - - if (p == NULL) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid zone size \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - name.len = p - name.data; - - s.data = p + 1; - s.len = value[i].data + value[i].len - s.data; - - size = ngx_parse_size(&s); - - if (size == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid zone size \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - if (size < (ssize_t) (8 * ngx_pagesize)) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "zone \"%V\" is too small", &value[i]); - return NGX_CONF_ERROR; - } - - continue; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - if (name.len == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"%V\" must have \"zone\" parameter", - &cmd->name); - return NGX_CONF_ERROR; - } - - shm_zone = ngx_shared_memory_add(cf, &name, size, - &ngx_http_limit_conn_module); - if (shm_zone == NULL) { - return NGX_CONF_ERROR; - } - - if (shm_zone->data) { - ctx = shm_zone->data; - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "%V \"%V\" is already bound to key \"%V\"", - &cmd->name, &name, &ctx->key.value); - return NGX_CONF_ERROR; - } - - shm_zone->init = ngx_http_limit_conn_init_zone; - shm_zone->data = ctx; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_limit_conn(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_shm_zone_t *shm_zone; - ngx_http_limit_conn_conf_t *lccf = conf; - ngx_http_limit_conn_limit_t *limit, *limits; - - ngx_str_t *value; - ngx_int_t n; - ngx_uint_t i; - - value = cf->args->elts; - - shm_zone = ngx_shared_memory_add(cf, &value[1], 0, - &ngx_http_limit_conn_module); - if (shm_zone == NULL) { - return NGX_CONF_ERROR; - } - - limits = lccf->limits.elts; - - if (limits == NULL) { - if (ngx_array_init(&lccf->limits, cf->pool, 1, - sizeof(ngx_http_limit_conn_limit_t)) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - } - - for (i = 0; i < lccf->limits.nelts; i++) { - if (shm_zone == limits[i].shm_zone) { - return "is duplicate"; - } - } - - n = ngx_atoi(value[2].data, value[2].len); - if (n <= 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid number of connections \"%V\"", &value[2]); - return NGX_CONF_ERROR; - } - - if (n > 65535) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "connection limit must be less 65536"); - return NGX_CONF_ERROR; - } - - limit = ngx_array_push(&lccf->limits); - if (limit == NULL) { - return NGX_CONF_ERROR; - } - - limit->conn = n; - limit->shm_zone = shm_zone; - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_limit_conn_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_PREACCESS_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_limit_conn_handler; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_limit_req_module.c b/nginx/src/http/modules/ngx_http_limit_req_module.c deleted file mode 100644 index 579b13c..0000000 --- a/nginx/src/http/modules/ngx_http_limit_req_module.c +++ /dev/null @@ -1,960 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - u_char color; - u_char dummy; - u_short len; - ngx_queue_t queue; - ngx_msec_t last; - /* integer value, 1 corresponds to 0.001 r/s */ - ngx_uint_t excess; - ngx_uint_t count; - u_char data[1]; -} ngx_http_limit_req_node_t; - - -typedef struct { - ngx_rbtree_t rbtree; - ngx_rbtree_node_t sentinel; - ngx_queue_t queue; -} ngx_http_limit_req_shctx_t; - - -typedef struct { - ngx_http_limit_req_shctx_t *sh; - ngx_slab_pool_t *shpool; - /* integer value, 1 corresponds to 0.001 r/s */ - ngx_uint_t rate; - ngx_http_complex_value_t key; - ngx_http_limit_req_node_t *node; -} ngx_http_limit_req_ctx_t; - - -typedef struct { - ngx_shm_zone_t *shm_zone; - /* integer value, 1 corresponds to 0.001 r/s */ - ngx_uint_t burst; - ngx_uint_t nodelay; /* unsigned nodelay:1 */ -} ngx_http_limit_req_limit_t; - - -typedef struct { - ngx_array_t limits; - ngx_uint_t limit_log_level; - ngx_uint_t delay_log_level; - ngx_uint_t status_code; -} ngx_http_limit_req_conf_t; - - -static void ngx_http_limit_req_delay(ngx_http_request_t *r); -static ngx_int_t ngx_http_limit_req_lookup(ngx_http_limit_req_limit_t *limit, - ngx_uint_t hash, ngx_str_t *key, ngx_uint_t *ep, ngx_uint_t account); -static ngx_msec_t ngx_http_limit_req_account(ngx_http_limit_req_limit_t *limits, - ngx_uint_t n, ngx_uint_t *ep, ngx_http_limit_req_limit_t **limit); -static void ngx_http_limit_req_expire(ngx_http_limit_req_ctx_t *ctx, - ngx_uint_t n); - -static void *ngx_http_limit_req_create_conf(ngx_conf_t *cf); -static char *ngx_http_limit_req_merge_conf(ngx_conf_t *cf, void *parent, - void *child); -static char *ngx_http_limit_req_zone(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_limit_req(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static ngx_int_t ngx_http_limit_req_init(ngx_conf_t *cf); - - -static ngx_conf_enum_t ngx_http_limit_req_log_levels[] = { - { ngx_string("info"), NGX_LOG_INFO }, - { ngx_string("notice"), NGX_LOG_NOTICE }, - { ngx_string("warn"), NGX_LOG_WARN }, - { ngx_string("error"), NGX_LOG_ERR }, - { ngx_null_string, 0 } -}; - - -static ngx_conf_num_bounds_t ngx_http_limit_req_status_bounds = { - ngx_conf_check_num_bounds, 400, 599 -}; - - -static ngx_command_t ngx_http_limit_req_commands[] = { - - { ngx_string("limit_req_zone"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE3, - ngx_http_limit_req_zone, - 0, - 0, - NULL }, - - { ngx_string("limit_req"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, - ngx_http_limit_req, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("limit_req_log_level"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_enum_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_limit_req_conf_t, limit_log_level), - &ngx_http_limit_req_log_levels }, - - { ngx_string("limit_req_status"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_limit_req_conf_t, status_code), - &ngx_http_limit_req_status_bounds }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_limit_req_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_limit_req_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_limit_req_create_conf, /* create location configuration */ - ngx_http_limit_req_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_limit_req_module = { - NGX_MODULE_V1, - &ngx_http_limit_req_module_ctx, /* module context */ - ngx_http_limit_req_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_limit_req_handler(ngx_http_request_t *r) -{ - uint32_t hash; - ngx_str_t key; - ngx_int_t rc; - ngx_uint_t n, excess; - ngx_msec_t delay; - ngx_http_limit_req_ctx_t *ctx; - ngx_http_limit_req_conf_t *lrcf; - ngx_http_limit_req_limit_t *limit, *limits; - - if (r->main->limit_req_set) { - return NGX_DECLINED; - } - - lrcf = ngx_http_get_module_loc_conf(r, ngx_http_limit_req_module); - limits = lrcf->limits.elts; - - excess = 0; - - rc = NGX_DECLINED; - -#if (NGX_SUPPRESS_WARN) - limit = NULL; -#endif - - for (n = 0; n < lrcf->limits.nelts; n++) { - - limit = &limits[n]; - - ctx = limit->shm_zone->data; - - if (ngx_http_complex_value(r, &ctx->key, &key) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (key.len == 0) { - continue; - } - - if (key.len > 65535) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "the value of the \"%V\" key " - "is more than 65535 bytes: \"%V\"", - &ctx->key.value, &key); - continue; - } - - hash = ngx_crc32_short(key.data, key.len); - - ngx_shmtx_lock(&ctx->shpool->mutex); - - rc = ngx_http_limit_req_lookup(limit, hash, &key, &excess, - (n == lrcf->limits.nelts - 1)); - - ngx_shmtx_unlock(&ctx->shpool->mutex); - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "limit_req[%ui]: %i %ui.%03ui", - n, rc, excess / 1000, excess % 1000); - - if (rc != NGX_AGAIN) { - break; - } - } - - if (rc == NGX_DECLINED) { - return NGX_DECLINED; - } - - r->main->limit_req_set = 1; - - if (rc == NGX_BUSY || rc == NGX_ERROR) { - - if (rc == NGX_BUSY) { - ngx_log_error(lrcf->limit_log_level, r->connection->log, 0, - "limiting requests, excess: %ui.%03ui by zone \"%V\"", - excess / 1000, excess % 1000, - &limit->shm_zone->shm.name); - } - - while (n--) { - ctx = limits[n].shm_zone->data; - - if (ctx->node == NULL) { - continue; - } - - ngx_shmtx_lock(&ctx->shpool->mutex); - - ctx->node->count--; - - ngx_shmtx_unlock(&ctx->shpool->mutex); - - ctx->node = NULL; - } - - return lrcf->status_code; - } - - /* rc == NGX_AGAIN || rc == NGX_OK */ - - if (rc == NGX_AGAIN) { - excess = 0; - } - - delay = ngx_http_limit_req_account(limits, n, &excess, &limit); - - if (!delay) { - return NGX_DECLINED; - } - - ngx_log_error(lrcf->delay_log_level, r->connection->log, 0, - "delaying request, excess: %ui.%03ui, by zone \"%V\"", - excess / 1000, excess % 1000, &limit->shm_zone->shm.name); - - if (ngx_handle_read_event(r->connection->read, 0) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - r->read_event_handler = ngx_http_test_reading; - r->write_event_handler = ngx_http_limit_req_delay; - - r->connection->write->delayed = 1; - ngx_add_timer(r->connection->write, delay); - - return NGX_AGAIN; -} - - -static void -ngx_http_limit_req_delay(ngx_http_request_t *r) -{ - ngx_event_t *wev; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "limit_req delay"); - - wev = r->connection->write; - - if (wev->delayed) { - - if (ngx_handle_write_event(wev, 0) != NGX_OK) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - } - - return; - } - - if (ngx_handle_read_event(r->connection->read, 0) != NGX_OK) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return; - } - - r->read_event_handler = ngx_http_block_reading; - r->write_event_handler = ngx_http_core_run_phases; - - ngx_http_core_run_phases(r); -} - - -static void -ngx_http_limit_req_rbtree_insert_value(ngx_rbtree_node_t *temp, - ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) -{ - ngx_rbtree_node_t **p; - ngx_http_limit_req_node_t *lrn, *lrnt; - - for ( ;; ) { - - if (node->key < temp->key) { - - p = &temp->left; - - } else if (node->key > temp->key) { - - p = &temp->right; - - } else { /* node->key == temp->key */ - - lrn = (ngx_http_limit_req_node_t *) &node->color; - lrnt = (ngx_http_limit_req_node_t *) &temp->color; - - p = (ngx_memn2cmp(lrn->data, lrnt->data, lrn->len, lrnt->len) < 0) - ? &temp->left : &temp->right; - } - - if (*p == sentinel) { - break; - } - - temp = *p; - } - - *p = node; - node->parent = temp; - node->left = sentinel; - node->right = sentinel; - ngx_rbt_red(node); -} - - -static ngx_int_t -ngx_http_limit_req_lookup(ngx_http_limit_req_limit_t *limit, ngx_uint_t hash, - ngx_str_t *key, ngx_uint_t *ep, ngx_uint_t account) -{ - size_t size; - ngx_int_t rc, excess; - ngx_msec_t now; - ngx_msec_int_t ms; - ngx_rbtree_node_t *node, *sentinel; - ngx_http_limit_req_ctx_t *ctx; - ngx_http_limit_req_node_t *lr; - - now = ngx_current_msec; - - ctx = limit->shm_zone->data; - - node = ctx->sh->rbtree.root; - sentinel = ctx->sh->rbtree.sentinel; - - while (node != sentinel) { - - if (hash < node->key) { - node = node->left; - continue; - } - - if (hash > node->key) { - node = node->right; - continue; - } - - /* hash == node->key */ - - lr = (ngx_http_limit_req_node_t *) &node->color; - - rc = ngx_memn2cmp(key->data, lr->data, key->len, (size_t) lr->len); - - if (rc == 0) { - ngx_queue_remove(&lr->queue); - ngx_queue_insert_head(&ctx->sh->queue, &lr->queue); - - ms = (ngx_msec_int_t) (now - lr->last); - - excess = lr->excess - ctx->rate * ngx_abs(ms) / 1000 + 1000; - - if (excess < 0) { - excess = 0; - } - - *ep = excess; - - if ((ngx_uint_t) excess > limit->burst) { - return NGX_BUSY; - } - - if (account) { - lr->excess = excess; - lr->last = now; - return NGX_OK; - } - - lr->count++; - - ctx->node = lr; - - return NGX_AGAIN; - } - - node = (rc < 0) ? node->left : node->right; - } - - *ep = 0; - - size = offsetof(ngx_rbtree_node_t, color) - + offsetof(ngx_http_limit_req_node_t, data) - + key->len; - - ngx_http_limit_req_expire(ctx, 1); - - node = ngx_slab_alloc_locked(ctx->shpool, size); - - if (node == NULL) { - ngx_http_limit_req_expire(ctx, 0); - - node = ngx_slab_alloc_locked(ctx->shpool, size); - if (node == NULL) { - ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, - "could not allocate node%s", ctx->shpool->log_ctx); - return NGX_ERROR; - } - } - - node->key = hash; - - lr = (ngx_http_limit_req_node_t *) &node->color; - - lr->len = (u_short) key->len; - lr->excess = 0; - - ngx_memcpy(lr->data, key->data, key->len); - - ngx_rbtree_insert(&ctx->sh->rbtree, node); - - ngx_queue_insert_head(&ctx->sh->queue, &lr->queue); - - if (account) { - lr->last = now; - lr->count = 0; - return NGX_OK; - } - - lr->last = 0; - lr->count = 1; - - ctx->node = lr; - - return NGX_AGAIN; -} - - -static ngx_msec_t -ngx_http_limit_req_account(ngx_http_limit_req_limit_t *limits, ngx_uint_t n, - ngx_uint_t *ep, ngx_http_limit_req_limit_t **limit) -{ - ngx_int_t excess; - ngx_msec_t now, delay, max_delay; - ngx_msec_int_t ms; - ngx_http_limit_req_ctx_t *ctx; - ngx_http_limit_req_node_t *lr; - - excess = *ep; - - if (excess == 0 || (*limit)->nodelay) { - max_delay = 0; - - } else { - ctx = (*limit)->shm_zone->data; - max_delay = excess * 1000 / ctx->rate; - } - - while (n--) { - ctx = limits[n].shm_zone->data; - lr = ctx->node; - - if (lr == NULL) { - continue; - } - - ngx_shmtx_lock(&ctx->shpool->mutex); - - now = ngx_current_msec; - ms = (ngx_msec_int_t) (now - lr->last); - - excess = lr->excess - ctx->rate * ngx_abs(ms) / 1000 + 1000; - - if (excess < 0) { - excess = 0; - } - - lr->last = now; - lr->excess = excess; - lr->count--; - - ngx_shmtx_unlock(&ctx->shpool->mutex); - - ctx->node = NULL; - - if (limits[n].nodelay) { - continue; - } - - delay = excess * 1000 / ctx->rate; - - if (delay > max_delay) { - max_delay = delay; - *ep = excess; - *limit = &limits[n]; - } - } - - return max_delay; -} - - -static void -ngx_http_limit_req_expire(ngx_http_limit_req_ctx_t *ctx, ngx_uint_t n) -{ - ngx_int_t excess; - ngx_msec_t now; - ngx_queue_t *q; - ngx_msec_int_t ms; - ngx_rbtree_node_t *node; - ngx_http_limit_req_node_t *lr; - - now = ngx_current_msec; - - /* - * n == 1 deletes one or two zero rate entries - * n == 0 deletes oldest entry by force - * and one or two zero rate entries - */ - - while (n < 3) { - - if (ngx_queue_empty(&ctx->sh->queue)) { - return; - } - - q = ngx_queue_last(&ctx->sh->queue); - - lr = ngx_queue_data(q, ngx_http_limit_req_node_t, queue); - - if (lr->count) { - - /* - * There is not much sense in looking further, - * because we bump nodes on the lookup stage. - */ - - return; - } - - if (n++ != 0) { - - ms = (ngx_msec_int_t) (now - lr->last); - ms = ngx_abs(ms); - - if (ms < 60000) { - return; - } - - excess = lr->excess - ctx->rate * ms / 1000; - - if (excess > 0) { - return; - } - } - - ngx_queue_remove(q); - - node = (ngx_rbtree_node_t *) - ((u_char *) lr - offsetof(ngx_rbtree_node_t, color)); - - ngx_rbtree_delete(&ctx->sh->rbtree, node); - - ngx_slab_free_locked(ctx->shpool, node); - } -} - - -static ngx_int_t -ngx_http_limit_req_init_zone(ngx_shm_zone_t *shm_zone, void *data) -{ - ngx_http_limit_req_ctx_t *octx = data; - - size_t len; - ngx_http_limit_req_ctx_t *ctx; - - ctx = shm_zone->data; - - if (octx) { - if (ctx->key.value.len != octx->key.value.len - || ngx_strncmp(ctx->key.value.data, octx->key.value.data, - ctx->key.value.len) - != 0) - { - ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0, - "limit_req \"%V\" uses the \"%V\" key " - "while previously it used the \"%V\" key", - &shm_zone->shm.name, &ctx->key.value, - &octx->key.value); - return NGX_ERROR; - } - - ctx->sh = octx->sh; - ctx->shpool = octx->shpool; - - return NGX_OK; - } - - ctx->shpool = (ngx_slab_pool_t *) shm_zone->shm.addr; - - if (shm_zone->shm.exists) { - ctx->sh = ctx->shpool->data; - - return NGX_OK; - } - - ctx->sh = ngx_slab_alloc(ctx->shpool, sizeof(ngx_http_limit_req_shctx_t)); - if (ctx->sh == NULL) { - return NGX_ERROR; - } - - ctx->shpool->data = ctx->sh; - - ngx_rbtree_init(&ctx->sh->rbtree, &ctx->sh->sentinel, - ngx_http_limit_req_rbtree_insert_value); - - ngx_queue_init(&ctx->sh->queue); - - len = sizeof(" in limit_req zone \"\"") + shm_zone->shm.name.len; - - ctx->shpool->log_ctx = ngx_slab_alloc(ctx->shpool, len); - if (ctx->shpool->log_ctx == NULL) { - return NGX_ERROR; - } - - ngx_sprintf(ctx->shpool->log_ctx, " in limit_req zone \"%V\"%Z", - &shm_zone->shm.name); - - ctx->shpool->log_nomem = 0; - - return NGX_OK; -} - - -static void * -ngx_http_limit_req_create_conf(ngx_conf_t *cf) -{ - ngx_http_limit_req_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_limit_req_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->limits.elts = NULL; - */ - - conf->limit_log_level = NGX_CONF_UNSET_UINT; - conf->status_code = NGX_CONF_UNSET_UINT; - - return conf; -} - - -static char * -ngx_http_limit_req_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_limit_req_conf_t *prev = parent; - ngx_http_limit_req_conf_t *conf = child; - - if (conf->limits.elts == NULL) { - conf->limits = prev->limits; - } - - ngx_conf_merge_uint_value(conf->limit_log_level, prev->limit_log_level, - NGX_LOG_ERR); - - conf->delay_log_level = (conf->limit_log_level == NGX_LOG_INFO) ? - NGX_LOG_INFO : conf->limit_log_level + 1; - - ngx_conf_merge_uint_value(conf->status_code, prev->status_code, - NGX_HTTP_SERVICE_UNAVAILABLE); - - return NGX_CONF_OK; -} - - -static char * -ngx_http_limit_req_zone(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - u_char *p; - size_t len; - ssize_t size; - ngx_str_t *value, name, s; - ngx_int_t rate, scale; - ngx_uint_t i; - ngx_shm_zone_t *shm_zone; - ngx_http_limit_req_ctx_t *ctx; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_limit_req_ctx_t)); - if (ctx == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &ctx->key; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - size = 0; - rate = 1; - scale = 1; - name.len = 0; - - for (i = 2; i < cf->args->nelts; i++) { - - if (ngx_strncmp(value[i].data, "zone=", 5) == 0) { - - name.data = value[i].data + 5; - - p = (u_char *) ngx_strchr(name.data, ':'); - - if (p == NULL) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid zone size \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - name.len = p - name.data; - - s.data = p + 1; - s.len = value[i].data + value[i].len - s.data; - - size = ngx_parse_size(&s); - - if (size == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid zone size \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - if (size < (ssize_t) (8 * ngx_pagesize)) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "zone \"%V\" is too small", &value[i]); - return NGX_CONF_ERROR; - } - - continue; - } - - if (ngx_strncmp(value[i].data, "rate=", 5) == 0) { - - len = value[i].len; - p = value[i].data + len - 3; - - if (ngx_strncmp(p, "r/s", 3) == 0) { - scale = 1; - len -= 3; - - } else if (ngx_strncmp(p, "r/m", 3) == 0) { - scale = 60; - len -= 3; - } - - rate = ngx_atoi(value[i].data + 5, len - 5); - if (rate <= 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid rate \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - continue; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - if (name.len == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"%V\" must have \"zone\" parameter", - &cmd->name); - return NGX_CONF_ERROR; - } - - ctx->rate = rate * 1000 / scale; - - shm_zone = ngx_shared_memory_add(cf, &name, size, - &ngx_http_limit_req_module); - if (shm_zone == NULL) { - return NGX_CONF_ERROR; - } - - if (shm_zone->data) { - ctx = shm_zone->data; - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "%V \"%V\" is already bound to key \"%V\"", - &cmd->name, &name, &ctx->key.value); - return NGX_CONF_ERROR; - } - - shm_zone->init = ngx_http_limit_req_init_zone; - shm_zone->data = ctx; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_limit_req(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_limit_req_conf_t *lrcf = conf; - - ngx_int_t burst; - ngx_str_t *value, s; - ngx_uint_t i, nodelay; - ngx_shm_zone_t *shm_zone; - ngx_http_limit_req_limit_t *limit, *limits; - - value = cf->args->elts; - - shm_zone = NULL; - burst = 0; - nodelay = 0; - - for (i = 1; i < cf->args->nelts; i++) { - - if (ngx_strncmp(value[i].data, "zone=", 5) == 0) { - - s.len = value[i].len - 5; - s.data = value[i].data + 5; - - shm_zone = ngx_shared_memory_add(cf, &s, 0, - &ngx_http_limit_req_module); - if (shm_zone == NULL) { - return NGX_CONF_ERROR; - } - - continue; - } - - if (ngx_strncmp(value[i].data, "burst=", 6) == 0) { - - burst = ngx_atoi(value[i].data + 6, value[i].len - 6); - if (burst <= 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid burst rate \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - continue; - } - - if (ngx_strcmp(value[i].data, "nodelay") == 0) { - nodelay = 1; - continue; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - if (shm_zone == NULL) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"%V\" must have \"zone\" parameter", - &cmd->name); - return NGX_CONF_ERROR; - } - - limits = lrcf->limits.elts; - - if (limits == NULL) { - if (ngx_array_init(&lrcf->limits, cf->pool, 1, - sizeof(ngx_http_limit_req_limit_t)) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - } - - for (i = 0; i < lrcf->limits.nelts; i++) { - if (shm_zone == limits[i].shm_zone) { - return "is duplicate"; - } - } - - limit = ngx_array_push(&lrcf->limits); - if (limit == NULL) { - return NGX_CONF_ERROR; - } - - limit->shm_zone = shm_zone; - limit->burst = burst * 1000; - limit->nodelay = nodelay; - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_limit_req_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_PREACCESS_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_limit_req_handler; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_log_module.c b/nginx/src/http/modules/ngx_http_log_module.c deleted file mode 100644 index f7c4bd2..0000000 --- a/nginx/src/http/modules/ngx_http_log_module.c +++ /dev/null @@ -1,1909 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - -#if (NGX_ZLIB) -#include <zlib.h> -#endif - - -typedef struct ngx_http_log_op_s ngx_http_log_op_t; - -typedef u_char *(*ngx_http_log_op_run_pt) (ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); - -typedef size_t (*ngx_http_log_op_getlen_pt) (ngx_http_request_t *r, - uintptr_t data); - - -struct ngx_http_log_op_s { - size_t len; - ngx_http_log_op_getlen_pt getlen; - ngx_http_log_op_run_pt run; - uintptr_t data; -}; - - -typedef struct { - ngx_str_t name; - ngx_array_t *flushes; - ngx_array_t *ops; /* array of ngx_http_log_op_t */ -} ngx_http_log_fmt_t; - - -typedef struct { - ngx_array_t formats; /* array of ngx_http_log_fmt_t */ - ngx_uint_t combined_used; /* unsigned combined_used:1 */ -} ngx_http_log_main_conf_t; - - -typedef struct { - u_char *start; - u_char *pos; - u_char *last; - - ngx_event_t *event; - ngx_msec_t flush; - ngx_int_t gzip; -} ngx_http_log_buf_t; - - -typedef struct { - ngx_array_t *lengths; - ngx_array_t *values; -} ngx_http_log_script_t; - - -typedef struct { - ngx_open_file_t *file; - ngx_http_log_script_t *script; - time_t disk_full_time; - time_t error_log_time; - ngx_syslog_peer_t *syslog_peer; - ngx_http_log_fmt_t *format; - ngx_http_complex_value_t *filter; -} ngx_http_log_t; - - -typedef struct { - ngx_array_t *logs; /* array of ngx_http_log_t */ - - ngx_open_file_cache_t *open_file_cache; - time_t open_file_cache_valid; - ngx_uint_t open_file_cache_min_uses; - - ngx_uint_t off; /* unsigned off:1 */ -} ngx_http_log_loc_conf_t; - - -typedef struct { - ngx_str_t name; - size_t len; - ngx_http_log_op_run_pt run; -} ngx_http_log_var_t; - - -#define NGX_HTTP_LOG_ESCAPE_DEFAULT 0 -#define NGX_HTTP_LOG_ESCAPE_JSON 1 -#define NGX_HTTP_LOG_ESCAPE_NONE 2 - - -static void ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, - u_char *buf, size_t len); -static ssize_t ngx_http_log_script_write(ngx_http_request_t *r, - ngx_http_log_script_t *script, u_char **name, u_char *buf, size_t len); - -#if (NGX_ZLIB) -static ssize_t ngx_http_log_gzip(ngx_fd_t fd, u_char *buf, size_t len, - ngx_int_t level, ngx_log_t *log); - -static void *ngx_http_log_gzip_alloc(void *opaque, u_int items, u_int size); -static void ngx_http_log_gzip_free(void *opaque, void *address); -#endif - -static void ngx_http_log_flush(ngx_open_file_t *file, ngx_log_t *log); -static void ngx_http_log_flush_handler(ngx_event_t *ev); - -static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_iso8601(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_body_bytes_sent(ngx_http_request_t *r, - u_char *buf, ngx_http_log_op_t *op); -static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); - -static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf, - ngx_http_log_op_t *op, ngx_str_t *value, ngx_uint_t escape); -static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r, - uintptr_t data); -static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static uintptr_t ngx_http_log_escape(u_char *dst, u_char *src, size_t size); -static size_t ngx_http_log_json_variable_getlen(ngx_http_request_t *r, - uintptr_t data); -static u_char *ngx_http_log_json_variable(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static size_t ngx_http_log_unescaped_variable_getlen(ngx_http_request_t *r, - uintptr_t data); -static u_char *ngx_http_log_unescaped_variable(ngx_http_request_t *r, - u_char *buf, ngx_http_log_op_t *op); - - -static void *ngx_http_log_create_main_conf(ngx_conf_t *cf); -static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, - void *child); -static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_log_compile_format(ngx_conf_t *cf, - ngx_array_t *flushes, ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s); -static char *ngx_http_log_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static ngx_int_t ngx_http_log_init(ngx_conf_t *cf); - - -static ngx_command_t ngx_http_log_commands[] = { - - { ngx_string("log_format"), - NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE, - ngx_http_log_set_format, - NGX_HTTP_MAIN_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("access_log"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_HTTP_LMT_CONF|NGX_CONF_1MORE, - ngx_http_log_set_log, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("open_log_file_cache"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, - ngx_http_log_open_file_cache, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_log_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_log_init, /* postconfiguration */ - - ngx_http_log_create_main_conf, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_log_create_loc_conf, /* create location configuration */ - ngx_http_log_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_log_module = { - NGX_MODULE_V1, - &ngx_http_log_module_ctx, /* module context */ - ngx_http_log_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_str_t ngx_http_access_log = ngx_string(NGX_HTTP_LOG_PATH); - - -static ngx_str_t ngx_http_combined_fmt = - ngx_string("$remote_addr - $remote_user [$time_local] " - "\"$request\" $status $body_bytes_sent " - "\"$http_referer\" \"$http_user_agent\""); - - -static ngx_http_log_var_t ngx_http_log_vars[] = { - { ngx_string("pipe"), 1, ngx_http_log_pipe }, - { ngx_string("time_local"), sizeof("28/Sep/1970:12:00:00 +0600") - 1, - ngx_http_log_time }, - { ngx_string("time_iso8601"), sizeof("1970-09-28T12:00:00+06:00") - 1, - ngx_http_log_iso8601 }, - { ngx_string("msec"), NGX_TIME_T_LEN + 4, ngx_http_log_msec }, - { ngx_string("request_time"), NGX_TIME_T_LEN + 4, - ngx_http_log_request_time }, - { ngx_string("status"), NGX_INT_T_LEN, ngx_http_log_status }, - { ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent }, - { ngx_string("body_bytes_sent"), NGX_OFF_T_LEN, - ngx_http_log_body_bytes_sent }, - { ngx_string("request_length"), NGX_SIZE_T_LEN, - ngx_http_log_request_length }, - - { ngx_null_string, 0, NULL } -}; - - -static ngx_int_t -ngx_http_log_handler(ngx_http_request_t *r) -{ - u_char *line, *p; - size_t len, size; - ssize_t n; - ngx_str_t val; - ngx_uint_t i, l; - ngx_http_log_t *log; - ngx_http_log_op_t *op; - ngx_http_log_buf_t *buffer; - ngx_http_log_loc_conf_t *lcf; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http log handler"); - - lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module); - - if (lcf->off) { - return NGX_OK; - } - - log = lcf->logs->elts; - for (l = 0; l < lcf->logs->nelts; l++) { - - if (log[l].filter) { - if (ngx_http_complex_value(r, log[l].filter, &val) != NGX_OK) { - return NGX_ERROR; - } - - if (val.len == 0 || (val.len == 1 && val.data[0] == '0')) { - continue; - } - } - - if (ngx_time() == log[l].disk_full_time) { - - /* - * on FreeBSD writing to a full filesystem with enabled softupdates - * may block process for much longer time than writing to non-full - * filesystem, so we skip writing to a log for one second - */ - - continue; - } - - ngx_http_script_flush_no_cacheable_variables(r, log[l].format->flushes); - - len = 0; - op = log[l].format->ops->elts; - for (i = 0; i < log[l].format->ops->nelts; i++) { - if (op[i].len == 0) { - len += op[i].getlen(r, op[i].data); - - } else { - len += op[i].len; - } - } - - if (log[l].syslog_peer) { - - /* length of syslog's PRI and HEADER message parts */ - len += sizeof("<255>Jan 01 00:00:00 ") - 1 - + ngx_cycle->hostname.len + 1 - + log[l].syslog_peer->tag.len + 2; - - goto alloc_line; - } - - len += NGX_LINEFEED_SIZE; - - buffer = log[l].file ? log[l].file->data : NULL; - - if (buffer) { - - if (len > (size_t) (buffer->last - buffer->pos)) { - - ngx_http_log_write(r, &log[l], buffer->start, - buffer->pos - buffer->start); - - buffer->pos = buffer->start; - } - - if (len <= (size_t) (buffer->last - buffer->pos)) { - - p = buffer->pos; - - if (buffer->event && p == buffer->start) { - ngx_add_timer(buffer->event, buffer->flush); - } - - for (i = 0; i < log[l].format->ops->nelts; i++) { - p = op[i].run(r, p, &op[i]); - } - - ngx_linefeed(p); - - buffer->pos = p; - - continue; - } - - if (buffer->event && buffer->event->timer_set) { - ngx_del_timer(buffer->event); - } - } - - alloc_line: - - line = ngx_pnalloc(r->pool, len); - if (line == NULL) { - return NGX_ERROR; - } - - p = line; - - if (log[l].syslog_peer) { - p = ngx_syslog_add_header(log[l].syslog_peer, line); - } - - for (i = 0; i < log[l].format->ops->nelts; i++) { - p = op[i].run(r, p, &op[i]); - } - - if (log[l].syslog_peer) { - - size = p - line; - - n = ngx_syslog_send(log[l].syslog_peer, line, size); - - if (n < 0) { - ngx_log_error(NGX_LOG_WARN, r->connection->log, 0, - "send() to syslog failed"); - - } else if ((size_t) n != size) { - ngx_log_error(NGX_LOG_WARN, r->connection->log, 0, - "send() to syslog has written only %z of %uz", - n, size); - } - - continue; - } - - ngx_linefeed(p); - - ngx_http_log_write(r, &log[l], line, p - line); - } - - return NGX_OK; -} - - -static void -ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, u_char *buf, - size_t len) -{ - u_char *name; - time_t now; - ssize_t n; - ngx_err_t err; -#if (NGX_ZLIB) - ngx_http_log_buf_t *buffer; -#endif - - if (log->script == NULL) { - name = log->file->name.data; - -#if (NGX_ZLIB) - buffer = log->file->data; - - if (buffer && buffer->gzip) { - n = ngx_http_log_gzip(log->file->fd, buf, len, buffer->gzip, - r->connection->log); - } else { - n = ngx_write_fd(log->file->fd, buf, len); - } -#else - n = ngx_write_fd(log->file->fd, buf, len); -#endif - - } else { - name = NULL; - n = ngx_http_log_script_write(r, log->script, &name, buf, len); - } - - if (n == (ssize_t) len) { - return; - } - - now = ngx_time(); - - if (n == -1) { - err = ngx_errno; - - if (err == NGX_ENOSPC) { - log->disk_full_time = now; - } - - if (now - log->error_log_time > 59) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, err, - ngx_write_fd_n " to \"%s\" failed", name); - - log->error_log_time = now; - } - - return; - } - - if (now - log->error_log_time > 59) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - ngx_write_fd_n " to \"%s\" was incomplete: %z of %uz", - name, n, len); - - log->error_log_time = now; - } -} - - -static ssize_t -ngx_http_log_script_write(ngx_http_request_t *r, ngx_http_log_script_t *script, - u_char **name, u_char *buf, size_t len) -{ - size_t root; - ssize_t n; - ngx_str_t log, path; - ngx_open_file_info_t of; - ngx_http_log_loc_conf_t *llcf; - ngx_http_core_loc_conf_t *clcf; - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (!r->root_tested) { - - /* test root directory existence */ - - if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { - /* simulate successful logging */ - return len; - } - - path.data[root] = '\0'; - - ngx_memzero(&of, sizeof(ngx_open_file_info_t)); - - of.valid = clcf->open_file_cache_valid; - of.min_uses = clcf->open_file_cache_min_uses; - of.test_dir = 1; - of.test_only = 1; - of.errors = clcf->open_file_cache_errors; - of.events = clcf->open_file_cache_events; - - if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { - /* simulate successful logging */ - return len; - } - - if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) - != NGX_OK) - { - if (of.err == 0) { - /* simulate successful logging */ - return len; - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, of.err, - "testing \"%s\" existence failed", path.data); - - /* simulate successful logging */ - return len; - } - - if (!of.is_dir) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ENOTDIR, - "testing \"%s\" existence failed", path.data); - - /* simulate successful logging */ - return len; - } - } - - if (ngx_http_script_run(r, &log, script->lengths->elts, 1, - script->values->elts) - == NULL) - { - /* simulate successful logging */ - return len; - } - - log.data[log.len - 1] = '\0'; - *name = log.data; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http log \"%s\"", log.data); - - llcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module); - - ngx_memzero(&of, sizeof(ngx_open_file_info_t)); - - of.log = 1; - of.valid = llcf->open_file_cache_valid; - of.min_uses = llcf->open_file_cache_min_uses; - of.directio = NGX_OPEN_FILE_DIRECTIO_OFF; - - if (ngx_http_set_disable_symlinks(r, clcf, &log, &of) != NGX_OK) { - /* simulate successful logging */ - return len; - } - - if (ngx_open_cached_file(llcf->open_file_cache, &log, &of, r->pool) - != NGX_OK) - { - if (of.err == 0) { - /* simulate successful logging */ - return len; - } - - ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, - "%s \"%s\" failed", of.failed, log.data); - /* simulate successful logging */ - return len; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http log #%d", of.fd); - - n = ngx_write_fd(of.fd, buf, len); - - return n; -} - - -#if (NGX_ZLIB) - -static ssize_t -ngx_http_log_gzip(ngx_fd_t fd, u_char *buf, size_t len, ngx_int_t level, - ngx_log_t *log) -{ - int rc, wbits, memlevel; - u_char *out; - size_t size; - ssize_t n; - z_stream zstream; - ngx_err_t err; - ngx_pool_t *pool; - - wbits = MAX_WBITS; - memlevel = MAX_MEM_LEVEL - 1; - - while ((ssize_t) len < ((1 << (wbits - 1)) - 262)) { - wbits--; - memlevel--; - } - - /* - * This is a formula from deflateBound() for conservative upper bound of - * compressed data plus 18 bytes of gzip wrapper. - */ - - size = len + ((len + 7) >> 3) + ((len + 63) >> 6) + 5 + 18; - - ngx_memzero(&zstream, sizeof(z_stream)); - - pool = ngx_create_pool(256, log); - if (pool == NULL) { - /* simulate successful logging */ - return len; - } - - pool->log = log; - - zstream.zalloc = ngx_http_log_gzip_alloc; - zstream.zfree = ngx_http_log_gzip_free; - zstream.opaque = pool; - - out = ngx_pnalloc(pool, size); - if (out == NULL) { - goto done; - } - - zstream.next_in = buf; - zstream.avail_in = len; - zstream.next_out = out; - zstream.avail_out = size; - - rc = deflateInit2(&zstream, (int) level, Z_DEFLATED, wbits + 16, memlevel, - Z_DEFAULT_STRATEGY); - - if (rc != Z_OK) { - ngx_log_error(NGX_LOG_ALERT, log, 0, "deflateInit2() failed: %d", rc); - goto done; - } - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, log, 0, - "deflate in: ni:%p no:%p ai:%ud ao:%ud", - zstream.next_in, zstream.next_out, - zstream.avail_in, zstream.avail_out); - - rc = deflate(&zstream, Z_FINISH); - - if (rc != Z_STREAM_END) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "deflate(Z_FINISH) failed: %d", rc); - goto done; - } - - ngx_log_debug5(NGX_LOG_DEBUG_HTTP, log, 0, - "deflate out: ni:%p no:%p ai:%ud ao:%ud rc:%d", - zstream.next_in, zstream.next_out, - zstream.avail_in, zstream.avail_out, - rc); - - size -= zstream.avail_out; - - rc = deflateEnd(&zstream); - - if (rc != Z_OK) { - ngx_log_error(NGX_LOG_ALERT, log, 0, "deflateEnd() failed: %d", rc); - goto done; - } - - n = ngx_write_fd(fd, out, size); - - if (n != (ssize_t) size) { - err = (n == -1) ? ngx_errno : 0; - - ngx_destroy_pool(pool); - - ngx_set_errno(err); - return -1; - } - -done: - - ngx_destroy_pool(pool); - - /* simulate successful logging */ - return len; -} - - -static void * -ngx_http_log_gzip_alloc(void *opaque, u_int items, u_int size) -{ - ngx_pool_t *pool = opaque; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pool->log, 0, - "gzip alloc: n:%ud s:%ud", items, size); - - return ngx_palloc(pool, items * size); -} - - -static void -ngx_http_log_gzip_free(void *opaque, void *address) -{ -#if 0 - ngx_pool_t *pool = opaque; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pool->log, 0, "gzip free: %p", address); -#endif -} - -#endif - - -static void -ngx_http_log_flush(ngx_open_file_t *file, ngx_log_t *log) -{ - size_t len; - ssize_t n; - ngx_http_log_buf_t *buffer; - - buffer = file->data; - - len = buffer->pos - buffer->start; - - if (len == 0) { - return; - } - -#if (NGX_ZLIB) - if (buffer->gzip) { - n = ngx_http_log_gzip(file->fd, buffer->start, len, buffer->gzip, log); - } else { - n = ngx_write_fd(file->fd, buffer->start, len); - } -#else - n = ngx_write_fd(file->fd, buffer->start, len); -#endif - - if (n == -1) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - ngx_write_fd_n " to \"%s\" failed", - file->name.data); - - } else if ((size_t) n != len) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - ngx_write_fd_n " to \"%s\" was incomplete: %z of %uz", - file->name.data, n, len); - } - - buffer->pos = buffer->start; - - if (buffer->event && buffer->event->timer_set) { - ngx_del_timer(buffer->event); - } -} - - -static void -ngx_http_log_flush_handler(ngx_event_t *ev) -{ - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, - "http log buffer flush handler"); - - ngx_http_log_flush(ev->data, ev->log); -} - - -static u_char * -ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - size_t len; - uintptr_t data; - - len = op->len; - data = op->data; - - while (len--) { - *buf++ = (u_char) (data & 0xff); - data >>= 8; - } - - return buf; -} - - -static u_char * -ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - return ngx_cpymem(buf, (u_char *) op->data, op->len); -} - - -static u_char * -ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - if (r->pipeline) { - *buf = 'p'; - } else { - *buf = '.'; - } - - return buf + 1; -} - - -static u_char * -ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - return ngx_cpymem(buf, ngx_cached_http_log_time.data, - ngx_cached_http_log_time.len); -} - -static u_char * -ngx_http_log_iso8601(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - return ngx_cpymem(buf, ngx_cached_http_log_iso8601.data, - ngx_cached_http_log_iso8601.len); -} - -static u_char * -ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - ngx_time_t *tp; - - tp = ngx_timeofday(); - - return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec); -} - - -static u_char * -ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - ngx_time_t *tp; - ngx_msec_int_t ms; - - tp = ngx_timeofday(); - - ms = (ngx_msec_int_t) - ((tp->sec - r->start_sec) * 1000 + (tp->msec - r->start_msec)); - ms = ngx_max(ms, 0); - - return ngx_sprintf(buf, "%T.%03M", (time_t) ms / 1000, ms % 1000); -} - - -static u_char * -ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - ngx_uint_t status; - - if (r->err_status) { - status = r->err_status; - - } else if (r->headers_out.status) { - status = r->headers_out.status; - - } else if (r->http_version == NGX_HTTP_VERSION_9) { - status = 9; - - } else { - status = 0; - } - - return ngx_sprintf(buf, "%03ui", status); -} - - -static u_char * -ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - return ngx_sprintf(buf, "%O", r->connection->sent); -} - - -/* - * although there is a real $body_bytes_sent variable, - * this log operation code function is more optimized for logging - */ - -static u_char * -ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - off_t length; - - length = r->connection->sent - r->header_size; - - if (length > 0) { - return ngx_sprintf(buf, "%O", length); - } - - *buf = '0'; - - return buf + 1; -} - - -static u_char * -ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - return ngx_sprintf(buf, "%O", r->request_length); -} - - -static ngx_int_t -ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op, - ngx_str_t *value, ngx_uint_t escape) -{ - ngx_int_t index; - - index = ngx_http_get_variable_index(cf, value); - if (index == NGX_ERROR) { - return NGX_ERROR; - } - - op->len = 0; - - switch (escape) { - case NGX_HTTP_LOG_ESCAPE_JSON: - op->getlen = ngx_http_log_json_variable_getlen; - op->run = ngx_http_log_json_variable; - break; - - case NGX_HTTP_LOG_ESCAPE_NONE: - op->getlen = ngx_http_log_unescaped_variable_getlen; - op->run = ngx_http_log_unescaped_variable; - break; - - default: /* NGX_HTTP_LOG_ESCAPE_DEFAULT */ - op->getlen = ngx_http_log_variable_getlen; - op->run = ngx_http_log_variable; - } - - op->data = index; - - return NGX_OK; -} - - -static size_t -ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data) -{ - uintptr_t len; - ngx_http_variable_value_t *value; - - value = ngx_http_get_indexed_variable(r, data); - - if (value == NULL || value->not_found) { - return 1; - } - - len = ngx_http_log_escape(NULL, value->data, value->len); - - value->escape = len ? 1 : 0; - - return value->len + len * 3; -} - - -static u_char * -ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - ngx_http_variable_value_t *value; - - value = ngx_http_get_indexed_variable(r, op->data); - - if (value == NULL || value->not_found) { - *buf = '-'; - return buf + 1; - } - - if (value->escape == 0) { - return ngx_cpymem(buf, value->data, value->len); - - } else { - return (u_char *) ngx_http_log_escape(buf, value->data, value->len); - } -} - - -static uintptr_t -ngx_http_log_escape(u_char *dst, u_char *src, size_t size) -{ - ngx_uint_t n; - static u_char hex[] = "0123456789ABCDEF"; - - static uint32_t escape[] = { - 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ - - /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ - 0x00000004, /* 0000 0000 0000 0000 0000 0000 0000 0100 */ - - /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ - 0x10000000, /* 0001 0000 0000 0000 0000 0000 0000 0000 */ - - /* ~}| {zyx wvut srqp onml kjih gfed cba` */ - 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ - - 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ - 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ - 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ - 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ - }; - - - if (dst == NULL) { - - /* find the number of the characters to be escaped */ - - n = 0; - - while (size) { - if (escape[*src >> 5] & (1U << (*src & 0x1f))) { - n++; - } - src++; - size--; - } - - return (uintptr_t) n; - } - - while (size) { - if (escape[*src >> 5] & (1U << (*src & 0x1f))) { - *dst++ = '\\'; - *dst++ = 'x'; - *dst++ = hex[*src >> 4]; - *dst++ = hex[*src & 0xf]; - src++; - - } else { - *dst++ = *src++; - } - size--; - } - - return (uintptr_t) dst; -} - - -static size_t -ngx_http_log_json_variable_getlen(ngx_http_request_t *r, uintptr_t data) -{ - uintptr_t len; - ngx_http_variable_value_t *value; - - value = ngx_http_get_indexed_variable(r, data); - - if (value == NULL || value->not_found) { - return 0; - } - - len = ngx_escape_json(NULL, value->data, value->len); - - value->escape = len ? 1 : 0; - - return value->len + len; -} - - -static u_char * -ngx_http_log_json_variable(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - ngx_http_variable_value_t *value; - - value = ngx_http_get_indexed_variable(r, op->data); - - if (value == NULL || value->not_found) { - return buf; - } - - if (value->escape == 0) { - return ngx_cpymem(buf, value->data, value->len); - - } else { - return (u_char *) ngx_escape_json(buf, value->data, value->len); - } -} - - -static size_t -ngx_http_log_unescaped_variable_getlen(ngx_http_request_t *r, uintptr_t data) -{ - ngx_http_variable_value_t *value; - - value = ngx_http_get_indexed_variable(r, data); - - if (value == NULL || value->not_found) { - return 0; - } - - value->escape = 0; - - return value->len; -} - - -static u_char * -ngx_http_log_unescaped_variable(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - ngx_http_variable_value_t *value; - - value = ngx_http_get_indexed_variable(r, op->data); - - if (value == NULL || value->not_found) { - return buf; - } - - return ngx_cpymem(buf, value->data, value->len); -} - - -static void * -ngx_http_log_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_log_main_conf_t *conf; - - ngx_http_log_fmt_t *fmt; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)); - if (conf == NULL) { - return NULL; - } - - if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t)) - != NGX_OK) - { - return NULL; - } - - fmt = ngx_array_push(&conf->formats); - if (fmt == NULL) { - return NULL; - } - - ngx_str_set(&fmt->name, "combined"); - - fmt->flushes = NULL; - - fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t)); - if (fmt->ops == NULL) { - return NULL; - } - - return conf; -} - - -static void * -ngx_http_log_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_log_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - conf->open_file_cache = NGX_CONF_UNSET_PTR; - - return conf; -} - - -static char * -ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_log_loc_conf_t *prev = parent; - ngx_http_log_loc_conf_t *conf = child; - - ngx_http_log_t *log; - ngx_http_log_fmt_t *fmt; - ngx_http_log_main_conf_t *lmcf; - - if (conf->open_file_cache == NGX_CONF_UNSET_PTR) { - - conf->open_file_cache = prev->open_file_cache; - conf->open_file_cache_valid = prev->open_file_cache_valid; - conf->open_file_cache_min_uses = prev->open_file_cache_min_uses; - - if (conf->open_file_cache == NGX_CONF_UNSET_PTR) { - conf->open_file_cache = NULL; - } - } - - if (conf->logs || conf->off) { - return NGX_CONF_OK; - } - - conf->logs = prev->logs; - conf->off = prev->off; - - if (conf->logs || conf->off) { - return NGX_CONF_OK; - } - - conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); - if (conf->logs == NULL) { - return NGX_CONF_ERROR; - } - - log = ngx_array_push(conf->logs); - if (log == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(log, sizeof(ngx_http_log_t)); - - log->file = ngx_conf_open_file(cf->cycle, &ngx_http_access_log); - if (log->file == NULL) { - return NGX_CONF_ERROR; - } - - lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); - fmt = lmcf->formats.elts; - - /* the default "combined" format */ - log->format = &fmt[0]; - lmcf->combined_used = 1; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_log_loc_conf_t *llcf = conf; - - ssize_t size; - ngx_int_t gzip; - ngx_uint_t i, n; - ngx_msec_t flush; - ngx_str_t *value, name, s; - ngx_http_log_t *log; - ngx_syslog_peer_t *peer; - ngx_http_log_buf_t *buffer; - ngx_http_log_fmt_t *fmt; - ngx_http_log_main_conf_t *lmcf; - ngx_http_script_compile_t sc; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "off") == 0) { - llcf->off = 1; - if (cf->args->nelts == 2) { - return NGX_CONF_OK; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[2]); - return NGX_CONF_ERROR; - } - - if (llcf->logs == NULL) { - llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); - if (llcf->logs == NULL) { - return NGX_CONF_ERROR; - } - } - - lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); - - log = ngx_array_push(llcf->logs); - if (log == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(log, sizeof(ngx_http_log_t)); - - - if (ngx_strncmp(value[1].data, "syslog:", 7) == 0) { - - peer = ngx_pcalloc(cf->pool, sizeof(ngx_syslog_peer_t)); - if (peer == NULL) { - return NGX_CONF_ERROR; - } - - if (ngx_syslog_process_conf(cf, peer) != NGX_CONF_OK) { - return NGX_CONF_ERROR; - } - - log->syslog_peer = peer; - - goto process_formats; - } - - n = ngx_http_script_variables_count(&value[1]); - - if (n == 0) { - log->file = ngx_conf_open_file(cf->cycle, &value[1]); - if (log->file == NULL) { - return NGX_CONF_ERROR; - } - - } else { - if (ngx_conf_full_name(cf->cycle, &value[1], 0) != NGX_OK) { - return NGX_CONF_ERROR; - } - - log->script = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_script_t)); - if (log->script == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &value[1]; - sc.lengths = &log->script->lengths; - sc.values = &log->script->values; - sc.variables = n; - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - -process_formats: - - if (cf->args->nelts >= 3) { - name = value[2]; - - if (ngx_strcmp(name.data, "combined") == 0) { - lmcf->combined_used = 1; - } - - } else { - ngx_str_set(&name, "combined"); - lmcf->combined_used = 1; - } - - fmt = lmcf->formats.elts; - for (i = 0; i < lmcf->formats.nelts; i++) { - if (fmt[i].name.len == name.len - && ngx_strcasecmp(fmt[i].name.data, name.data) == 0) - { - log->format = &fmt[i]; - break; - } - } - - if (log->format == NULL) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "unknown log format \"%V\"", &name); - return NGX_CONF_ERROR; - } - - size = 0; - flush = 0; - gzip = 0; - - for (i = 3; i < cf->args->nelts; i++) { - - if (ngx_strncmp(value[i].data, "buffer=", 7) == 0) { - s.len = value[i].len - 7; - s.data = value[i].data + 7; - - size = ngx_parse_size(&s); - - if (size == NGX_ERROR || size == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid buffer size \"%V\"", &s); - return NGX_CONF_ERROR; - } - - continue; - } - - if (ngx_strncmp(value[i].data, "flush=", 6) == 0) { - s.len = value[i].len - 6; - s.data = value[i].data + 6; - - flush = ngx_parse_time(&s, 0); - - if (flush == (ngx_msec_t) NGX_ERROR || flush == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid flush time \"%V\"", &s); - return NGX_CONF_ERROR; - } - - continue; - } - - if (ngx_strncmp(value[i].data, "gzip", 4) == 0 - && (value[i].len == 4 || value[i].data[4] == '=')) - { -#if (NGX_ZLIB) - if (size == 0) { - size = 64 * 1024; - } - - if (value[i].len == 4) { - gzip = Z_BEST_SPEED; - continue; - } - - s.len = value[i].len - 5; - s.data = value[i].data + 5; - - gzip = ngx_atoi(s.data, s.len); - - if (gzip < 1 || gzip > 9) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid compression level \"%V\"", &s); - return NGX_CONF_ERROR; - } - - continue; - -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "nginx was built without zlib support"); - return NGX_CONF_ERROR; -#endif - } - - if (ngx_strncmp(value[i].data, "if=", 3) == 0) { - s.len = value[i].len - 3; - s.data = value[i].data + 3; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &s; - ccv.complex_value = ngx_palloc(cf->pool, - sizeof(ngx_http_complex_value_t)); - if (ccv.complex_value == NULL) { - return NGX_CONF_ERROR; - } - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - log->filter = ccv.complex_value; - - continue; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - if (flush && size == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "no buffer is defined for access_log \"%V\"", - &value[1]); - return NGX_CONF_ERROR; - } - - if (size) { - - if (log->script) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "buffered logs cannot have variables in name"); - return NGX_CONF_ERROR; - } - - if (log->syslog_peer) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "logs to syslog cannot be buffered"); - return NGX_CONF_ERROR; - } - - if (log->file->data) { - buffer = log->file->data; - - if (buffer->last - buffer->start != size - || buffer->flush != flush - || buffer->gzip != gzip) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "access_log \"%V\" already defined " - "with conflicting parameters", - &value[1]); - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; - } - - buffer = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_buf_t)); - if (buffer == NULL) { - return NGX_CONF_ERROR; - } - - buffer->start = ngx_pnalloc(cf->pool, size); - if (buffer->start == NULL) { - return NGX_CONF_ERROR; - } - - buffer->pos = buffer->start; - buffer->last = buffer->start + size; - - if (flush) { - buffer->event = ngx_pcalloc(cf->pool, sizeof(ngx_event_t)); - if (buffer->event == NULL) { - return NGX_CONF_ERROR; - } - - buffer->event->data = log->file; - buffer->event->handler = ngx_http_log_flush_handler; - buffer->event->log = &cf->cycle->new_log; - buffer->event->cancelable = 1; - - buffer->flush = flush; - } - - buffer->gzip = gzip; - - log->file->flush = ngx_http_log_flush; - log->file->data = buffer; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_log_main_conf_t *lmcf = conf; - - ngx_str_t *value; - ngx_uint_t i; - ngx_http_log_fmt_t *fmt; - - value = cf->args->elts; - - fmt = lmcf->formats.elts; - for (i = 0; i < lmcf->formats.nelts; i++) { - if (fmt[i].name.len == value[1].len - && ngx_strcmp(fmt[i].name.data, value[1].data) == 0) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "duplicate \"log_format\" name \"%V\"", - &value[1]); - return NGX_CONF_ERROR; - } - } - - fmt = ngx_array_push(&lmcf->formats); - if (fmt == NULL) { - return NGX_CONF_ERROR; - } - - fmt->name = value[1]; - - fmt->flushes = ngx_array_create(cf->pool, 4, sizeof(ngx_int_t)); - if (fmt->flushes == NULL) { - return NGX_CONF_ERROR; - } - - fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t)); - if (fmt->ops == NULL) { - return NGX_CONF_ERROR; - } - - return ngx_http_log_compile_format(cf, fmt->flushes, fmt->ops, cf->args, 2); -} - - -static char * -ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *flushes, - ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s) -{ - u_char *data, *p, ch; - size_t i, len; - ngx_str_t *value, var; - ngx_int_t *flush; - ngx_uint_t bracket, escape; - ngx_http_log_op_t *op; - ngx_http_log_var_t *v; - - escape = NGX_HTTP_LOG_ESCAPE_DEFAULT; - value = args->elts; - - if (s < args->nelts && ngx_strncmp(value[s].data, "escape=", 7) == 0) { - data = value[s].data + 7; - - if (ngx_strcmp(data, "json") == 0) { - escape = NGX_HTTP_LOG_ESCAPE_JSON; - - } else if (ngx_strcmp(data, "none") == 0) { - escape = NGX_HTTP_LOG_ESCAPE_NONE; - - } else if (ngx_strcmp(data, "default") != 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "unknown log format escaping \"%s\"", data); - return NGX_CONF_ERROR; - } - - s++; - } - - for ( /* void */ ; s < args->nelts; s++) { - - i = 0; - - while (i < value[s].len) { - - op = ngx_array_push(ops); - if (op == NULL) { - return NGX_CONF_ERROR; - } - - data = &value[s].data[i]; - - if (value[s].data[i] == '$') { - - if (++i == value[s].len) { - goto invalid; - } - - if (value[s].data[i] == '{') { - bracket = 1; - - if (++i == value[s].len) { - goto invalid; - } - - var.data = &value[s].data[i]; - - } else { - bracket = 0; - var.data = &value[s].data[i]; - } - - for (var.len = 0; i < value[s].len; i++, var.len++) { - ch = value[s].data[i]; - - if (ch == '}' && bracket) { - i++; - bracket = 0; - break; - } - - if ((ch >= 'A' && ch <= 'Z') - || (ch >= 'a' && ch <= 'z') - || (ch >= '0' && ch <= '9') - || ch == '_') - { - continue; - } - - break; - } - - if (bracket) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the closing bracket in \"%V\" " - "variable is missing", &var); - return NGX_CONF_ERROR; - } - - if (var.len == 0) { - goto invalid; - } - - for (v = ngx_http_log_vars; v->name.len; v++) { - - if (v->name.len == var.len - && ngx_strncmp(v->name.data, var.data, var.len) == 0) - { - op->len = v->len; - op->getlen = NULL; - op->run = v->run; - op->data = 0; - - goto found; - } - } - - if (ngx_http_log_variable_compile(cf, op, &var, escape) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - if (flushes) { - - flush = ngx_array_push(flushes); - if (flush == NULL) { - return NGX_CONF_ERROR; - } - - *flush = op->data; /* variable index */ - } - - found: - - continue; - } - - i++; - - while (i < value[s].len && value[s].data[i] != '$') { - i++; - } - - len = &value[s].data[i] - data; - - if (len) { - - op->len = len; - op->getlen = NULL; - - if (len <= sizeof(uintptr_t)) { - op->run = ngx_http_log_copy_short; - op->data = 0; - - while (len--) { - op->data <<= 8; - op->data |= data[len]; - } - - } else { - op->run = ngx_http_log_copy_long; - - p = ngx_pnalloc(cf->pool, len); - if (p == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memcpy(p, data, len); - op->data = (uintptr_t) p; - } - } - } - } - - return NGX_CONF_OK; - -invalid: - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data); - - return NGX_CONF_ERROR; -} - - -static char * -ngx_http_log_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_log_loc_conf_t *llcf = conf; - - time_t inactive, valid; - ngx_str_t *value, s; - ngx_int_t max, min_uses; - ngx_uint_t i; - - if (llcf->open_file_cache != NGX_CONF_UNSET_PTR) { - return "is duplicate"; - } - - value = cf->args->elts; - - max = 0; - inactive = 10; - valid = 60; - min_uses = 1; - - for (i = 1; i < cf->args->nelts; i++) { - - if (ngx_strncmp(value[i].data, "max=", 4) == 0) { - - max = ngx_atoi(value[i].data + 4, value[i].len - 4); - if (max == NGX_ERROR) { - goto failed; - } - - continue; - } - - if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) { - - s.len = value[i].len - 9; - s.data = value[i].data + 9; - - inactive = ngx_parse_time(&s, 1); - if (inactive == (time_t) NGX_ERROR) { - goto failed; - } - - continue; - } - - if (ngx_strncmp(value[i].data, "min_uses=", 9) == 0) { - - min_uses = ngx_atoi(value[i].data + 9, value[i].len - 9); - if (min_uses == NGX_ERROR) { - goto failed; - } - - continue; - } - - if (ngx_strncmp(value[i].data, "valid=", 6) == 0) { - - s.len = value[i].len - 6; - s.data = value[i].data + 6; - - valid = ngx_parse_time(&s, 1); - if (valid == (time_t) NGX_ERROR) { - goto failed; - } - - continue; - } - - if (ngx_strcmp(value[i].data, "off") == 0) { - - llcf->open_file_cache = NULL; - - continue; - } - - failed: - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid \"open_log_file_cache\" parameter \"%V\"", - &value[i]); - return NGX_CONF_ERROR; - } - - if (llcf->open_file_cache == NULL) { - return NGX_CONF_OK; - } - - if (max == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"open_log_file_cache\" must have \"max\" parameter"); - return NGX_CONF_ERROR; - } - - llcf->open_file_cache = ngx_open_file_cache_init(cf->pool, max, inactive); - - if (llcf->open_file_cache) { - - llcf->open_file_cache_valid = valid; - llcf->open_file_cache_min_uses = min_uses; - - return NGX_CONF_OK; - } - - return NGX_CONF_ERROR; -} - - -static ngx_int_t -ngx_http_log_init(ngx_conf_t *cf) -{ - ngx_str_t *value; - ngx_array_t a; - ngx_http_handler_pt *h; - ngx_http_log_fmt_t *fmt; - ngx_http_log_main_conf_t *lmcf; - ngx_http_core_main_conf_t *cmcf; - - lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); - - if (lmcf->combined_used) { - if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) { - return NGX_ERROR; - } - - value = ngx_array_push(&a); - if (value == NULL) { - return NGX_ERROR; - } - - *value = ngx_http_combined_fmt; - fmt = lmcf->formats.elts; - - if (ngx_http_log_compile_format(cf, NULL, fmt->ops, &a, 0) - != NGX_CONF_OK) - { - return NGX_ERROR; - } - } - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_log_handler; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_map_module.c b/nginx/src/http/modules/ngx_http_map_module.c deleted file mode 100644 index 2fc9be9..0000000 --- a/nginx/src/http/modules/ngx_http_map_module.c +++ /dev/null @@ -1,589 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_uint_t hash_max_size; - ngx_uint_t hash_bucket_size; -} ngx_http_map_conf_t; - - -typedef struct { - ngx_hash_keys_arrays_t keys; - - ngx_array_t *values_hash; -#if (NGX_PCRE) - ngx_array_t regexes; -#endif - - ngx_http_variable_value_t *default_value; - ngx_conf_t *cf; - unsigned hostnames:1; - unsigned no_cacheable:1; -} ngx_http_map_conf_ctx_t; - - -typedef struct { - ngx_http_map_t map; - ngx_http_complex_value_t value; - ngx_http_variable_value_t *default_value; - ngx_uint_t hostnames; /* unsigned hostnames:1 */ -} ngx_http_map_ctx_t; - - -static int ngx_libc_cdecl ngx_http_map_cmp_dns_wildcards(const void *one, - const void *two); -static void *ngx_http_map_create_conf(ngx_conf_t *cf); -static char *ngx_http_map_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); -static char *ngx_http_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf); - - -static ngx_command_t ngx_http_map_commands[] = { - - { ngx_string("map"), - NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE2, - ngx_http_map_block, - NGX_HTTP_MAIN_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("map_hash_max_size"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_map_conf_t, hash_max_size), - NULL }, - - { ngx_string("map_hash_bucket_size"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_map_conf_t, hash_bucket_size), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_map_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - ngx_http_map_create_conf, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_map_module = { - NGX_MODULE_V1, - &ngx_http_map_module_ctx, /* module context */ - ngx_http_map_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_map_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - ngx_http_map_ctx_t *map = (ngx_http_map_ctx_t *) data; - - ngx_str_t val, str; - ngx_http_complex_value_t *cv; - ngx_http_variable_value_t *value; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http map started"); - - if (ngx_http_complex_value(r, &map->value, &val) != NGX_OK) { - return NGX_ERROR; - } - - if (map->hostnames && val.len > 0 && val.data[val.len - 1] == '.') { - val.len--; - } - - value = ngx_http_map_find(r, &map->map, &val); - - if (value == NULL) { - value = map->default_value; - } - - if (!value->valid) { - cv = (ngx_http_complex_value_t *) value->data; - - if (ngx_http_complex_value(r, cv, &str) != NGX_OK) { - return NGX_ERROR; - } - - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->len = str.len; - v->data = str.data; - - } else { - *v = *value; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http map: \"%V\" \"%v\"", &val, v); - - return NGX_OK; -} - - -static void * -ngx_http_map_create_conf(ngx_conf_t *cf) -{ - ngx_http_map_conf_t *mcf; - - mcf = ngx_palloc(cf->pool, sizeof(ngx_http_map_conf_t)); - if (mcf == NULL) { - return NULL; - } - - mcf->hash_max_size = NGX_CONF_UNSET_UINT; - mcf->hash_bucket_size = NGX_CONF_UNSET_UINT; - - return mcf; -} - - -static char * -ngx_http_map_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_map_conf_t *mcf = conf; - - char *rv; - ngx_str_t *value, name; - ngx_conf_t save; - ngx_pool_t *pool; - ngx_hash_init_t hash; - ngx_http_map_ctx_t *map; - ngx_http_variable_t *var; - ngx_http_map_conf_ctx_t ctx; - ngx_http_compile_complex_value_t ccv; - - if (mcf->hash_max_size == NGX_CONF_UNSET_UINT) { - mcf->hash_max_size = 2048; - } - - if (mcf->hash_bucket_size == NGX_CONF_UNSET_UINT) { - mcf->hash_bucket_size = ngx_cacheline_size; - - } else { - mcf->hash_bucket_size = ngx_align(mcf->hash_bucket_size, - ngx_cacheline_size); - } - - map = ngx_pcalloc(cf->pool, sizeof(ngx_http_map_ctx_t)); - if (map == NULL) { - return NGX_CONF_ERROR; - } - - value = cf->args->elts; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &map->value; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - name = value[2]; - - if (name.data[0] != '$') { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid variable name \"%V\"", &name); - return NGX_CONF_ERROR; - } - - name.len--; - name.data++; - - var = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); - if (var == NULL) { - return NGX_CONF_ERROR; - } - - var->get_handler = ngx_http_map_variable; - var->data = (uintptr_t) map; - - pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, cf->log); - if (pool == NULL) { - return NGX_CONF_ERROR; - } - - ctx.keys.pool = cf->pool; - ctx.keys.temp_pool = pool; - - if (ngx_hash_keys_array_init(&ctx.keys, NGX_HASH_LARGE) != NGX_OK) { - ngx_destroy_pool(pool); - return NGX_CONF_ERROR; - } - - ctx.values_hash = ngx_pcalloc(pool, sizeof(ngx_array_t) * ctx.keys.hsize); - if (ctx.values_hash == NULL) { - ngx_destroy_pool(pool); - return NGX_CONF_ERROR; - } - -#if (NGX_PCRE) - if (ngx_array_init(&ctx.regexes, cf->pool, 2, sizeof(ngx_http_map_regex_t)) - != NGX_OK) - { - ngx_destroy_pool(pool); - return NGX_CONF_ERROR; - } -#endif - - ctx.default_value = NULL; - ctx.cf = &save; - ctx.hostnames = 0; - ctx.no_cacheable = 0; - - save = *cf; - cf->pool = pool; - cf->ctx = &ctx; - cf->handler = ngx_http_map; - cf->handler_conf = conf; - - rv = ngx_conf_parse(cf, NULL); - - *cf = save; - - if (rv != NGX_CONF_OK) { - ngx_destroy_pool(pool); - return rv; - } - - if (ctx.no_cacheable) { - var->flags |= NGX_HTTP_VAR_NOCACHEABLE; - } - - map->default_value = ctx.default_value ? ctx.default_value: - &ngx_http_variable_null_value; - - map->hostnames = ctx.hostnames; - - hash.key = ngx_hash_key_lc; - hash.max_size = mcf->hash_max_size; - hash.bucket_size = mcf->hash_bucket_size; - hash.name = "map_hash"; - hash.pool = cf->pool; - - if (ctx.keys.keys.nelts) { - hash.hash = &map->map.hash.hash; - hash.temp_pool = NULL; - - if (ngx_hash_init(&hash, ctx.keys.keys.elts, ctx.keys.keys.nelts) - != NGX_OK) - { - ngx_destroy_pool(pool); - return NGX_CONF_ERROR; - } - } - - if (ctx.keys.dns_wc_head.nelts) { - - ngx_qsort(ctx.keys.dns_wc_head.elts, - (size_t) ctx.keys.dns_wc_head.nelts, - sizeof(ngx_hash_key_t), ngx_http_map_cmp_dns_wildcards); - - hash.hash = NULL; - hash.temp_pool = pool; - - if (ngx_hash_wildcard_init(&hash, ctx.keys.dns_wc_head.elts, - ctx.keys.dns_wc_head.nelts) - != NGX_OK) - { - ngx_destroy_pool(pool); - return NGX_CONF_ERROR; - } - - map->map.hash.wc_head = (ngx_hash_wildcard_t *) hash.hash; - } - - if (ctx.keys.dns_wc_tail.nelts) { - - ngx_qsort(ctx.keys.dns_wc_tail.elts, - (size_t) ctx.keys.dns_wc_tail.nelts, - sizeof(ngx_hash_key_t), ngx_http_map_cmp_dns_wildcards); - - hash.hash = NULL; - hash.temp_pool = pool; - - if (ngx_hash_wildcard_init(&hash, ctx.keys.dns_wc_tail.elts, - ctx.keys.dns_wc_tail.nelts) - != NGX_OK) - { - ngx_destroy_pool(pool); - return NGX_CONF_ERROR; - } - - map->map.hash.wc_tail = (ngx_hash_wildcard_t *) hash.hash; - } - -#if (NGX_PCRE) - - if (ctx.regexes.nelts) { - map->map.regex = ctx.regexes.elts; - map->map.nregex = ctx.regexes.nelts; - } - -#endif - - ngx_destroy_pool(pool); - - return rv; -} - - -static int ngx_libc_cdecl -ngx_http_map_cmp_dns_wildcards(const void *one, const void *two) -{ - ngx_hash_key_t *first, *second; - - first = (ngx_hash_key_t *) one; - second = (ngx_hash_key_t *) two; - - return ngx_dns_strcmp(first->key.data, second->key.data); -} - - -static char * -ngx_http_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf) -{ - u_char *data; - size_t len; - ngx_int_t rv; - ngx_str_t *value, v; - ngx_uint_t i, key; - ngx_http_map_conf_ctx_t *ctx; - ngx_http_complex_value_t cv, *cvp; - ngx_http_variable_value_t *var, **vp; - ngx_http_compile_complex_value_t ccv; - - ctx = cf->ctx; - - value = cf->args->elts; - - if (cf->args->nelts == 1 - && ngx_strcmp(value[0].data, "hostnames") == 0) - { - ctx->hostnames = 1; - return NGX_CONF_OK; - } - - if (cf->args->nelts == 1 - && ngx_strcmp(value[0].data, "volatile") == 0) - { - ctx->no_cacheable = 1; - return NGX_CONF_OK; - } - - if (cf->args->nelts != 2) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid number of the map parameters"); - return NGX_CONF_ERROR; - } - - if (ngx_strcmp(value[0].data, "include") == 0) { - return ngx_conf_include(cf, dummy, conf); - } - - key = 0; - - for (i = 0; i < value[1].len; i++) { - key = ngx_hash(key, value[1].data[i]); - } - - key %= ctx->keys.hsize; - - vp = ctx->values_hash[key].elts; - - if (vp) { - for (i = 0; i < ctx->values_hash[key].nelts; i++) { - - if (vp[i]->valid) { - data = vp[i]->data; - len = vp[i]->len; - - } else { - cvp = (ngx_http_complex_value_t *) vp[i]->data; - data = cvp->value.data; - len = cvp->value.len; - } - - if (value[1].len != len) { - continue; - } - - if (ngx_strncmp(value[1].data, data, len) == 0) { - var = vp[i]; - goto found; - } - } - - } else { - if (ngx_array_init(&ctx->values_hash[key], cf->pool, 4, - sizeof(ngx_http_variable_value_t *)) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - } - - var = ngx_palloc(ctx->keys.pool, sizeof(ngx_http_variable_value_t)); - if (var == NULL) { - return NGX_CONF_ERROR; - } - - v.len = value[1].len; - v.data = ngx_pstrdup(ctx->keys.pool, &value[1]); - if (v.data == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = ctx->cf; - ccv.value = &v; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths != NULL) { - cvp = ngx_palloc(ctx->keys.pool, sizeof(ngx_http_complex_value_t)); - if (cvp == NULL) { - return NGX_CONF_ERROR; - } - - *cvp = cv; - - var->len = 0; - var->data = (u_char *) cvp; - var->valid = 0; - - } else { - var->len = v.len; - var->data = v.data; - var->valid = 1; - } - - var->no_cacheable = 0; - var->not_found = 0; - - vp = ngx_array_push(&ctx->values_hash[key]); - if (vp == NULL) { - return NGX_CONF_ERROR; - } - - *vp = var; - -found: - - if (ngx_strcmp(value[0].data, "default") == 0) { - - if (ctx->default_value) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "duplicate default map parameter"); - return NGX_CONF_ERROR; - } - - ctx->default_value = var; - - return NGX_CONF_OK; - } - -#if (NGX_PCRE) - - if (value[0].len && value[0].data[0] == '~') { - ngx_regex_compile_t rc; - ngx_http_map_regex_t *regex; - u_char errstr[NGX_MAX_CONF_ERRSTR]; - - regex = ngx_array_push(&ctx->regexes); - if (regex == NULL) { - return NGX_CONF_ERROR; - } - - value[0].len--; - value[0].data++; - - ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); - - if (value[0].data[0] == '*') { - value[0].len--; - value[0].data++; - rc.options = NGX_REGEX_CASELESS; - } - - rc.pattern = value[0]; - rc.err.len = NGX_MAX_CONF_ERRSTR; - rc.err.data = errstr; - - regex->regex = ngx_http_regex_compile(ctx->cf, &rc); - if (regex->regex == NULL) { - return NGX_CONF_ERROR; - } - - regex->value = var; - - return NGX_CONF_OK; - } - -#endif - - if (value[0].len && value[0].data[0] == '\\') { - value[0].len--; - value[0].data++; - } - - rv = ngx_hash_add_key(&ctx->keys, &value[0], var, - (ctx->hostnames) ? NGX_HASH_WILDCARD_KEY : 0); - - if (rv == NGX_OK) { - return NGX_CONF_OK; - } - - if (rv == NGX_DECLINED) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid hostname or wildcard \"%V\"", &value[0]); - } - - if (rv == NGX_BUSY) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "conflicting parameter \"%V\"", &value[0]); - } - - return NGX_CONF_ERROR; -} diff --git a/nginx/src/http/modules/ngx_http_memcached_module.c b/nginx/src/http/modules/ngx_http_memcached_module.c deleted file mode 100644 index 82fa713..0000000 --- a/nginx/src/http/modules/ngx_http_memcached_module.c +++ /dev/null @@ -1,721 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_http_upstream_conf_t upstream; - ngx_int_t index; - ngx_uint_t gzip_flag; -} ngx_http_memcached_loc_conf_t; - - -typedef struct { - size_t rest; - ngx_http_request_t *request; - ngx_str_t key; -} ngx_http_memcached_ctx_t; - - -static ngx_int_t ngx_http_memcached_create_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_memcached_reinit_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_memcached_process_header(ngx_http_request_t *r); -static ngx_int_t ngx_http_memcached_filter_init(void *data); -static ngx_int_t ngx_http_memcached_filter(void *data, ssize_t bytes); -static void ngx_http_memcached_abort_request(ngx_http_request_t *r); -static void ngx_http_memcached_finalize_request(ngx_http_request_t *r, - ngx_int_t rc); - -static void *ngx_http_memcached_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_memcached_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); - -static char *ngx_http_memcached_pass(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_conf_bitmask_t ngx_http_memcached_next_upstream_masks[] = { - { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, - { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, - { ngx_string("invalid_response"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, - { ngx_string("not_found"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, - { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, - { ngx_null_string, 0 } -}; - - -static ngx_command_t ngx_http_memcached_commands[] = { - - { ngx_string("memcached_pass"), - NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, - ngx_http_memcached_pass, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("memcached_bind"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_upstream_bind_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_memcached_loc_conf_t, upstream.local), - NULL }, - - { ngx_string("memcached_connect_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_memcached_loc_conf_t, upstream.connect_timeout), - NULL }, - - { ngx_string("memcached_send_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_memcached_loc_conf_t, upstream.send_timeout), - NULL }, - - { ngx_string("memcached_buffer_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_memcached_loc_conf_t, upstream.buffer_size), - NULL }, - - { ngx_string("memcached_read_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_memcached_loc_conf_t, upstream.read_timeout), - NULL }, - - { ngx_string("memcached_next_upstream"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_memcached_loc_conf_t, upstream.next_upstream), - &ngx_http_memcached_next_upstream_masks }, - - { ngx_string("memcached_next_upstream_tries"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_memcached_loc_conf_t, upstream.next_upstream_tries), - NULL }, - - { ngx_string("memcached_next_upstream_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_memcached_loc_conf_t, upstream.next_upstream_timeout), - NULL }, - - { ngx_string("memcached_gzip_flag"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_memcached_loc_conf_t, gzip_flag), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_memcached_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_memcached_create_loc_conf, /* create location configuration */ - ngx_http_memcached_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_memcached_module = { - NGX_MODULE_V1, - &ngx_http_memcached_module_ctx, /* module context */ - ngx_http_memcached_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_str_t ngx_http_memcached_key = ngx_string("memcached_key"); - - -#define NGX_HTTP_MEMCACHED_END (sizeof(ngx_http_memcached_end) - 1) -static u_char ngx_http_memcached_end[] = CRLF "END" CRLF; - - -static ngx_int_t -ngx_http_memcached_handler(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_http_upstream_t *u; - ngx_http_memcached_ctx_t *ctx; - ngx_http_memcached_loc_conf_t *mlcf; - - if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { - return NGX_HTTP_NOT_ALLOWED; - } - - rc = ngx_http_discard_request_body(r); - - if (rc != NGX_OK) { - return rc; - } - - if (ngx_http_set_content_type(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_http_upstream_create(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - u = r->upstream; - - ngx_str_set(&u->schema, "memcached://"); - u->output.tag = (ngx_buf_tag_t) &ngx_http_memcached_module; - - mlcf = ngx_http_get_module_loc_conf(r, ngx_http_memcached_module); - - u->conf = &mlcf->upstream; - - u->create_request = ngx_http_memcached_create_request; - u->reinit_request = ngx_http_memcached_reinit_request; - u->process_header = ngx_http_memcached_process_header; - u->abort_request = ngx_http_memcached_abort_request; - u->finalize_request = ngx_http_memcached_finalize_request; - - ctx = ngx_palloc(r->pool, sizeof(ngx_http_memcached_ctx_t)); - if (ctx == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ctx->request = r; - - ngx_http_set_ctx(r, ctx, ngx_http_memcached_module); - - u->input_filter_init = ngx_http_memcached_filter_init; - u->input_filter = ngx_http_memcached_filter; - u->input_filter_ctx = ctx; - - r->main->count++; - - ngx_http_upstream_init(r); - - return NGX_DONE; -} - - -static ngx_int_t -ngx_http_memcached_create_request(ngx_http_request_t *r) -{ - size_t len; - uintptr_t escape; - ngx_buf_t *b; - ngx_chain_t *cl; - ngx_http_memcached_ctx_t *ctx; - ngx_http_variable_value_t *vv; - ngx_http_memcached_loc_conf_t *mlcf; - - mlcf = ngx_http_get_module_loc_conf(r, ngx_http_memcached_module); - - vv = ngx_http_get_indexed_variable(r, mlcf->index); - - if (vv == NULL || vv->not_found || vv->len == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "the \"$memcached_key\" variable is not set"); - return NGX_ERROR; - } - - escape = 2 * ngx_escape_uri(NULL, vv->data, vv->len, NGX_ESCAPE_MEMCACHED); - - len = sizeof("get ") - 1 + vv->len + escape + sizeof(CRLF) - 1; - - b = ngx_create_temp_buf(r->pool, len); - if (b == NULL) { - return NGX_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - cl->next = NULL; - - r->upstream->request_bufs = cl; - - *b->last++ = 'g'; *b->last++ = 'e'; *b->last++ = 't'; *b->last++ = ' '; - - ctx = ngx_http_get_module_ctx(r, ngx_http_memcached_module); - - ctx->key.data = b->last; - - if (escape == 0) { - b->last = ngx_copy(b->last, vv->data, vv->len); - - } else { - b->last = (u_char *) ngx_escape_uri(b->last, vv->data, vv->len, - NGX_ESCAPE_MEMCACHED); - } - - ctx->key.len = b->last - ctx->key.data; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http memcached request: \"%V\"", &ctx->key); - - *b->last++ = CR; *b->last++ = LF; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_memcached_reinit_request(ngx_http_request_t *r) -{ - return NGX_OK; -} - - -static ngx_int_t -ngx_http_memcached_process_header(ngx_http_request_t *r) -{ - u_char *p, *start; - ngx_str_t line; - ngx_uint_t flags; - ngx_table_elt_t *h; - ngx_http_upstream_t *u; - ngx_http_memcached_ctx_t *ctx; - ngx_http_memcached_loc_conf_t *mlcf; - - u = r->upstream; - - for (p = u->buffer.pos; p < u->buffer.last; p++) { - if (*p == LF) { - goto found; - } - } - - return NGX_AGAIN; - -found: - - line.data = u->buffer.pos; - line.len = p - u->buffer.pos; - - if (line.len == 0 || *(p - 1) != CR) { - goto no_valid; - } - - *p = '\0'; - line.len--; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "memcached: \"%V\"", &line); - - p = u->buffer.pos; - - ctx = ngx_http_get_module_ctx(r, ngx_http_memcached_module); - mlcf = ngx_http_get_module_loc_conf(r, ngx_http_memcached_module); - - if (ngx_strncmp(p, "VALUE ", sizeof("VALUE ") - 1) == 0) { - - p += sizeof("VALUE ") - 1; - - if (ngx_strncmp(p, ctx->key.data, ctx->key.len) != 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "memcached sent invalid key in response \"%V\" " - "for key \"%V\"", - &line, &ctx->key); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - p += ctx->key.len; - - if (*p++ != ' ') { - goto no_valid; - } - - /* flags */ - - start = p; - - while (*p) { - if (*p++ == ' ') { - if (mlcf->gzip_flag) { - goto flags; - } else { - goto length; - } - } - } - - goto no_valid; - - flags: - - flags = ngx_atoi(start, p - start - 1); - - if (flags == (ngx_uint_t) NGX_ERROR) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "memcached sent invalid flags in response \"%V\" " - "for key \"%V\"", - &line, &ctx->key); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - if (flags & mlcf->gzip_flag) { - h = ngx_list_push(&r->headers_out.headers); - if (h == NULL) { - return NGX_ERROR; - } - - h->hash = 1; - ngx_str_set(&h->key, "Content-Encoding"); - ngx_str_set(&h->value, "gzip"); - r->headers_out.content_encoding = h; - } - - length: - - start = p; - p = line.data + line.len; - - u->headers_in.content_length_n = ngx_atoof(start, p - start); - if (u->headers_in.content_length_n == NGX_ERROR) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "memcached sent invalid length in response \"%V\" " - "for key \"%V\"", - &line, &ctx->key); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - u->headers_in.status_n = 200; - u->state->status = 200; - u->buffer.pos = p + sizeof(CRLF) - 1; - - return NGX_OK; - } - - if (ngx_strcmp(p, "END\x0d") == 0) { - ngx_log_error(NGX_LOG_INFO, r->connection->log, 0, - "key: \"%V\" was not found by memcached", &ctx->key); - - u->headers_in.content_length_n = 0; - u->headers_in.status_n = 404; - u->state->status = 404; - u->buffer.pos = p + sizeof("END" CRLF) - 1; - u->keepalive = 1; - - return NGX_OK; - } - -no_valid: - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "memcached sent invalid response: \"%V\"", &line); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; -} - - -static ngx_int_t -ngx_http_memcached_filter_init(void *data) -{ - ngx_http_memcached_ctx_t *ctx = data; - - ngx_http_upstream_t *u; - - u = ctx->request->upstream; - - if (u->headers_in.status_n != 404) { - u->length = u->headers_in.content_length_n + NGX_HTTP_MEMCACHED_END; - ctx->rest = NGX_HTTP_MEMCACHED_END; - - } else { - u->length = 0; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_memcached_filter(void *data, ssize_t bytes) -{ - ngx_http_memcached_ctx_t *ctx = data; - - u_char *last; - ngx_buf_t *b; - ngx_chain_t *cl, **ll; - ngx_http_upstream_t *u; - - u = ctx->request->upstream; - b = &u->buffer; - - if (u->length == (ssize_t) ctx->rest) { - - if (ngx_strncmp(b->last, - ngx_http_memcached_end + NGX_HTTP_MEMCACHED_END - ctx->rest, - bytes) - != 0) - { - ngx_log_error(NGX_LOG_ERR, ctx->request->connection->log, 0, - "memcached sent invalid trailer"); - - u->length = 0; - ctx->rest = 0; - - return NGX_OK; - } - - u->length -= bytes; - ctx->rest -= bytes; - - if (u->length == 0) { - u->keepalive = 1; - } - - return NGX_OK; - } - - for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { - ll = &cl->next; - } - - cl = ngx_chain_get_free_buf(ctx->request->pool, &u->free_bufs); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf->flush = 1; - cl->buf->memory = 1; - - *ll = cl; - - last = b->last; - cl->buf->pos = last; - b->last += bytes; - cl->buf->last = b->last; - cl->buf->tag = u->output.tag; - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, - "memcached filter bytes:%z size:%z length:%O rest:%z", - bytes, b->last - b->pos, u->length, ctx->rest); - - if (bytes <= (ssize_t) (u->length - NGX_HTTP_MEMCACHED_END)) { - u->length -= bytes; - return NGX_OK; - } - - last += (size_t) (u->length - NGX_HTTP_MEMCACHED_END); - - if (ngx_strncmp(last, ngx_http_memcached_end, b->last - last) != 0) { - ngx_log_error(NGX_LOG_ERR, ctx->request->connection->log, 0, - "memcached sent invalid trailer"); - - b->last = last; - cl->buf->last = last; - u->length = 0; - ctx->rest = 0; - - return NGX_OK; - } - - ctx->rest -= b->last - last; - b->last = last; - cl->buf->last = last; - u->length = ctx->rest; - - if (u->length == 0) { - u->keepalive = 1; - } - - return NGX_OK; -} - - -static void -ngx_http_memcached_abort_request(ngx_http_request_t *r) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "abort http memcached request"); - return; -} - - -static void -ngx_http_memcached_finalize_request(ngx_http_request_t *r, ngx_int_t rc) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "finalize http memcached request"); - return; -} - - -static void * -ngx_http_memcached_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_memcached_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_memcached_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->upstream.bufs.num = 0; - * conf->upstream.next_upstream = 0; - * conf->upstream.temp_path = NULL; - */ - - conf->upstream.local = NGX_CONF_UNSET_PTR; - conf->upstream.next_upstream_tries = NGX_CONF_UNSET_UINT; - conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.next_upstream_timeout = NGX_CONF_UNSET_MSEC; - - conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; - - /* the hardcoded values */ - conf->upstream.cyclic_temp_file = 0; - conf->upstream.buffering = 0; - conf->upstream.ignore_client_abort = 0; - conf->upstream.send_lowat = 0; - conf->upstream.bufs.num = 0; - conf->upstream.busy_buffers_size = 0; - conf->upstream.max_temp_file_size = 0; - conf->upstream.temp_file_write_size = 0; - conf->upstream.intercept_errors = 1; - conf->upstream.intercept_404 = 1; - conf->upstream.pass_request_headers = 0; - conf->upstream.pass_request_body = 0; - conf->upstream.force_ranges = 1; - - conf->index = NGX_CONF_UNSET; - conf->gzip_flag = NGX_CONF_UNSET_UINT; - - return conf; -} - - -static char * -ngx_http_memcached_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_memcached_loc_conf_t *prev = parent; - ngx_http_memcached_loc_conf_t *conf = child; - - ngx_conf_merge_ptr_value(conf->upstream.local, - prev->upstream.local, NULL); - - ngx_conf_merge_uint_value(conf->upstream.next_upstream_tries, - prev->upstream.next_upstream_tries, 0); - - ngx_conf_merge_msec_value(conf->upstream.connect_timeout, - prev->upstream.connect_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.send_timeout, - prev->upstream.send_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.read_timeout, - prev->upstream.read_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.next_upstream_timeout, - prev->upstream.next_upstream_timeout, 0); - - ngx_conf_merge_size_value(conf->upstream.buffer_size, - prev->upstream.buffer_size, - (size_t) ngx_pagesize); - - ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, - prev->upstream.next_upstream, - (NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_ERROR - |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); - - if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { - conf->upstream.next_upstream = NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF; - } - - if (conf->upstream.upstream == NULL) { - conf->upstream.upstream = prev->upstream.upstream; - } - - if (conf->index == NGX_CONF_UNSET) { - conf->index = prev->index; - } - - ngx_conf_merge_uint_value(conf->gzip_flag, prev->gzip_flag, 0); - - return NGX_CONF_OK; -} - - -static char * -ngx_http_memcached_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_memcached_loc_conf_t *mlcf = conf; - - ngx_str_t *value; - ngx_url_t u; - ngx_http_core_loc_conf_t *clcf; - - if (mlcf->upstream.upstream) { - return "is duplicate"; - } - - value = cf->args->elts; - - ngx_memzero(&u, sizeof(ngx_url_t)); - - u.url = value[1]; - u.no_resolve = 1; - - mlcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); - if (mlcf->upstream.upstream == NULL) { - return NGX_CONF_ERROR; - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - - clcf->handler = ngx_http_memcached_handler; - - if (clcf->name.data[clcf->name.len - 1] == '/') { - clcf->auto_redirect = 1; - } - - mlcf->index = ngx_http_get_variable_index(cf, &ngx_http_memcached_key); - - if (mlcf->index == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_mirror_module.c b/nginx/src/http/modules/ngx_http_mirror_module.c deleted file mode 100644 index 787adb3..0000000 --- a/nginx/src/http/modules/ngx_http_mirror_module.c +++ /dev/null @@ -1,264 +0,0 @@ - -/* - * Copyright (C) Roman Arutyunyan - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_array_t *mirror; - ngx_flag_t request_body; -} ngx_http_mirror_loc_conf_t; - - -typedef struct { - ngx_int_t status; -} ngx_http_mirror_ctx_t; - - -static ngx_int_t ngx_http_mirror_handler(ngx_http_request_t *r); -static void ngx_http_mirror_body_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_mirror_handler_internal(ngx_http_request_t *r); -static void *ngx_http_mirror_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_mirror_merge_loc_conf(ngx_conf_t *cf, void *parent, - void *child); -static char *ngx_http_mirror(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); -static ngx_int_t ngx_http_mirror_init(ngx_conf_t *cf); - - -static ngx_command_t ngx_http_mirror_commands[] = { - - { ngx_string("mirror"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_mirror, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("mirror_request_body"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_mirror_loc_conf_t, request_body), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_mirror_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_mirror_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_mirror_create_loc_conf, /* create location configuration */ - ngx_http_mirror_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_mirror_module = { - NGX_MODULE_V1, - &ngx_http_mirror_module_ctx, /* module context */ - ngx_http_mirror_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_mirror_handler(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_http_mirror_ctx_t *ctx; - ngx_http_mirror_loc_conf_t *mlcf; - - if (r != r->main) { - return NGX_DECLINED; - } - - mlcf = ngx_http_get_module_loc_conf(r, ngx_http_mirror_module); - - if (mlcf->mirror == NULL) { - return NGX_DECLINED; - } - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "mirror handler"); - - if (mlcf->request_body) { - ctx = ngx_http_get_module_ctx(r, ngx_http_mirror_module); - - if (ctx) { - return ctx->status; - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_mirror_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ctx->status = NGX_DONE; - - ngx_http_set_ctx(r, ctx, ngx_http_mirror_module); - - rc = ngx_http_read_client_request_body(r, ngx_http_mirror_body_handler); - if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { - return rc; - } - - ngx_http_finalize_request(r, NGX_DONE); - return NGX_DONE; - } - - return ngx_http_mirror_handler_internal(r); -} - - -static void -ngx_http_mirror_body_handler(ngx_http_request_t *r) -{ - ngx_http_mirror_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_mirror_module); - - ctx->status = ngx_http_mirror_handler_internal(r); - - r->preserve_body = 1; - - r->write_event_handler = ngx_http_core_run_phases; - ngx_http_core_run_phases(r); -} - - -static ngx_int_t -ngx_http_mirror_handler_internal(ngx_http_request_t *r) -{ - ngx_str_t *name; - ngx_uint_t i; - ngx_http_request_t *sr; - ngx_http_mirror_loc_conf_t *mlcf; - - mlcf = ngx_http_get_module_loc_conf(r, ngx_http_mirror_module); - - name = mlcf->mirror->elts; - - for (i = 0; i < mlcf->mirror->nelts; i++) { - if (ngx_http_subrequest(r, &name[i], &r->args, &sr, NULL, - NGX_HTTP_SUBREQUEST_BACKGROUND) - != NGX_OK) - { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - sr->header_only = 1; - sr->method = r->method; - sr->method_name = r->method_name; - } - - return NGX_DECLINED; -} - - -static void * -ngx_http_mirror_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_mirror_loc_conf_t *mlcf; - - mlcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_mirror_loc_conf_t)); - if (mlcf == NULL) { - return NULL; - } - - mlcf->mirror = NGX_CONF_UNSET_PTR; - mlcf->request_body = NGX_CONF_UNSET; - - return mlcf; -} - - -static char * -ngx_http_mirror_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_mirror_loc_conf_t *prev = parent; - ngx_http_mirror_loc_conf_t *conf = child; - - ngx_conf_merge_ptr_value(conf->mirror, prev->mirror, NULL); - ngx_conf_merge_value(conf->request_body, prev->request_body, 1); - - return NGX_CONF_OK; -} - - -static char * -ngx_http_mirror(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_mirror_loc_conf_t *mlcf = conf; - - ngx_str_t *value, *s; - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "off") == 0) { - if (mlcf->mirror != NGX_CONF_UNSET_PTR) { - return "is duplicate"; - } - - mlcf->mirror = NULL; - return NGX_CONF_OK; - } - - if (mlcf->mirror == NULL) { - return "is duplicate"; - } - - if (mlcf->mirror == NGX_CONF_UNSET_PTR) { - mlcf->mirror = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t)); - if (mlcf->mirror == NULL) { - return NGX_CONF_ERROR; - } - } - - s = ngx_array_push(mlcf->mirror); - if (s == NULL) { - return NGX_CONF_ERROR; - } - - *s = value[1]; - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_mirror_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_PRECONTENT_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_mirror_handler; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_mp4_module.c b/nginx/src/http/modules/ngx_http_mp4_module.c deleted file mode 100644 index 618bf78..0000000 --- a/nginx/src/http/modules/ngx_http_mp4_module.c +++ /dev/null @@ -1,3562 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -#define NGX_HTTP_MP4_TRAK_ATOM 0 -#define NGX_HTTP_MP4_TKHD_ATOM 1 -#define NGX_HTTP_MP4_MDIA_ATOM 2 -#define NGX_HTTP_MP4_MDHD_ATOM 3 -#define NGX_HTTP_MP4_HDLR_ATOM 4 -#define NGX_HTTP_MP4_MINF_ATOM 5 -#define NGX_HTTP_MP4_VMHD_ATOM 6 -#define NGX_HTTP_MP4_SMHD_ATOM 7 -#define NGX_HTTP_MP4_DINF_ATOM 8 -#define NGX_HTTP_MP4_STBL_ATOM 9 -#define NGX_HTTP_MP4_STSD_ATOM 10 -#define NGX_HTTP_MP4_STTS_ATOM 11 -#define NGX_HTTP_MP4_STTS_DATA 12 -#define NGX_HTTP_MP4_STSS_ATOM 13 -#define NGX_HTTP_MP4_STSS_DATA 14 -#define NGX_HTTP_MP4_CTTS_ATOM 15 -#define NGX_HTTP_MP4_CTTS_DATA 16 -#define NGX_HTTP_MP4_STSC_ATOM 17 -#define NGX_HTTP_MP4_STSC_START 18 -#define NGX_HTTP_MP4_STSC_DATA 19 -#define NGX_HTTP_MP4_STSC_END 20 -#define NGX_HTTP_MP4_STSZ_ATOM 21 -#define NGX_HTTP_MP4_STSZ_DATA 22 -#define NGX_HTTP_MP4_STCO_ATOM 23 -#define NGX_HTTP_MP4_STCO_DATA 24 -#define NGX_HTTP_MP4_CO64_ATOM 25 -#define NGX_HTTP_MP4_CO64_DATA 26 - -#define NGX_HTTP_MP4_LAST_ATOM NGX_HTTP_MP4_CO64_DATA - - -typedef struct { - size_t buffer_size; - size_t max_buffer_size; -} ngx_http_mp4_conf_t; - - -typedef struct { - u_char chunk[4]; - u_char samples[4]; - u_char id[4]; -} ngx_mp4_stsc_entry_t; - - -typedef struct { - uint32_t timescale; - uint32_t time_to_sample_entries; - uint32_t sample_to_chunk_entries; - uint32_t sync_samples_entries; - uint32_t composition_offset_entries; - uint32_t sample_sizes_entries; - uint32_t chunks; - - ngx_uint_t start_sample; - ngx_uint_t end_sample; - ngx_uint_t start_chunk; - ngx_uint_t end_chunk; - ngx_uint_t start_chunk_samples; - ngx_uint_t end_chunk_samples; - uint64_t start_chunk_samples_size; - uint64_t end_chunk_samples_size; - off_t start_offset; - off_t end_offset; - - size_t tkhd_size; - size_t mdhd_size; - size_t hdlr_size; - size_t vmhd_size; - size_t smhd_size; - size_t dinf_size; - size_t size; - - ngx_chain_t out[NGX_HTTP_MP4_LAST_ATOM + 1]; - - ngx_buf_t trak_atom_buf; - ngx_buf_t tkhd_atom_buf; - ngx_buf_t mdia_atom_buf; - ngx_buf_t mdhd_atom_buf; - ngx_buf_t hdlr_atom_buf; - ngx_buf_t minf_atom_buf; - ngx_buf_t vmhd_atom_buf; - ngx_buf_t smhd_atom_buf; - ngx_buf_t dinf_atom_buf; - ngx_buf_t stbl_atom_buf; - ngx_buf_t stsd_atom_buf; - ngx_buf_t stts_atom_buf; - ngx_buf_t stts_data_buf; - ngx_buf_t stss_atom_buf; - ngx_buf_t stss_data_buf; - ngx_buf_t ctts_atom_buf; - ngx_buf_t ctts_data_buf; - ngx_buf_t stsc_atom_buf; - ngx_buf_t stsc_start_chunk_buf; - ngx_buf_t stsc_end_chunk_buf; - ngx_buf_t stsc_data_buf; - ngx_buf_t stsz_atom_buf; - ngx_buf_t stsz_data_buf; - ngx_buf_t stco_atom_buf; - ngx_buf_t stco_data_buf; - ngx_buf_t co64_atom_buf; - ngx_buf_t co64_data_buf; - - ngx_mp4_stsc_entry_t stsc_start_chunk_entry; - ngx_mp4_stsc_entry_t stsc_end_chunk_entry; -} ngx_http_mp4_trak_t; - - -typedef struct { - ngx_file_t file; - - u_char *buffer; - u_char *buffer_start; - u_char *buffer_pos; - u_char *buffer_end; - size_t buffer_size; - - off_t offset; - off_t end; - off_t content_length; - ngx_uint_t start; - ngx_uint_t length; - uint32_t timescale; - ngx_http_request_t *request; - ngx_array_t trak; - ngx_http_mp4_trak_t traks[2]; - - size_t ftyp_size; - size_t moov_size; - - ngx_chain_t *out; - ngx_chain_t ftyp_atom; - ngx_chain_t moov_atom; - ngx_chain_t mvhd_atom; - ngx_chain_t mdat_atom; - ngx_chain_t mdat_data; - - ngx_buf_t ftyp_atom_buf; - ngx_buf_t moov_atom_buf; - ngx_buf_t mvhd_atom_buf; - ngx_buf_t mdat_atom_buf; - ngx_buf_t mdat_data_buf; - - u_char moov_atom_header[8]; - u_char mdat_atom_header[16]; -} ngx_http_mp4_file_t; - - -typedef struct { - char *name; - ngx_int_t (*handler)(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -} ngx_http_mp4_atom_handler_t; - - -#define ngx_mp4_atom_header(mp4) (mp4->buffer_pos - 8) -#define ngx_mp4_atom_data(mp4) mp4->buffer_pos -#define ngx_mp4_atom_data_size(t) (uint64_t) (sizeof(t) - 8) - - -#define ngx_mp4_atom_next(mp4, n) \ - \ - if (n > (size_t) (mp4->buffer_end - mp4->buffer_pos)) { \ - mp4->buffer_pos = mp4->buffer_end; \ - \ - } else { \ - mp4->buffer_pos += (size_t) n; \ - } \ - \ - mp4->offset += n - - -#define ngx_mp4_set_atom_name(p, n1, n2, n3, n4) \ - ((u_char *) (p))[4] = n1; \ - ((u_char *) (p))[5] = n2; \ - ((u_char *) (p))[6] = n3; \ - ((u_char *) (p))[7] = n4 - -#define ngx_mp4_get_32value(p) \ - ( ((uint32_t) ((u_char *) (p))[0] << 24) \ - + ( ((u_char *) (p))[1] << 16) \ - + ( ((u_char *) (p))[2] << 8) \ - + ( ((u_char *) (p))[3]) ) - -#define ngx_mp4_set_32value(p, n) \ - ((u_char *) (p))[0] = (u_char) ((n) >> 24); \ - ((u_char *) (p))[1] = (u_char) ((n) >> 16); \ - ((u_char *) (p))[2] = (u_char) ((n) >> 8); \ - ((u_char *) (p))[3] = (u_char) (n) - -#define ngx_mp4_get_64value(p) \ - ( ((uint64_t) ((u_char *) (p))[0] << 56) \ - + ((uint64_t) ((u_char *) (p))[1] << 48) \ - + ((uint64_t) ((u_char *) (p))[2] << 40) \ - + ((uint64_t) ((u_char *) (p))[3] << 32) \ - + ((uint64_t) ((u_char *) (p))[4] << 24) \ - + ( ((u_char *) (p))[5] << 16) \ - + ( ((u_char *) (p))[6] << 8) \ - + ( ((u_char *) (p))[7]) ) - -#define ngx_mp4_set_64value(p, n) \ - ((u_char *) (p))[0] = (u_char) ((uint64_t) (n) >> 56); \ - ((u_char *) (p))[1] = (u_char) ((uint64_t) (n) >> 48); \ - ((u_char *) (p))[2] = (u_char) ((uint64_t) (n) >> 40); \ - ((u_char *) (p))[3] = (u_char) ((uint64_t) (n) >> 32); \ - ((u_char *) (p))[4] = (u_char) ( (n) >> 24); \ - ((u_char *) (p))[5] = (u_char) ( (n) >> 16); \ - ((u_char *) (p))[6] = (u_char) ( (n) >> 8); \ - ((u_char *) (p))[7] = (u_char) (n) - -#define ngx_mp4_last_trak(mp4) \ - &((ngx_http_mp4_trak_t *) mp4->trak.elts)[mp4->trak.nelts - 1] - - -static ngx_int_t ngx_http_mp4_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_mp4_atofp(u_char *line, size_t n, size_t point); - -static ngx_int_t ngx_http_mp4_process(ngx_http_mp4_file_t *mp4); -static ngx_int_t ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size); -static ngx_int_t ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static size_t ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, - off_t start_offset, off_t end_offset); -static ngx_int_t ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static void ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak); -static ngx_int_t ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static void ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak); -static ngx_int_t ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static void ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak); -static ngx_int_t ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static void ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak); -static ngx_int_t ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak); -static ngx_int_t ngx_http_mp4_crop_stts_data(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak, ngx_uint_t start); -static ngx_int_t ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak); -static void ngx_http_mp4_crop_stss_data(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak, ngx_uint_t start); -static ngx_int_t ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static void ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak); -static void ngx_http_mp4_crop_ctts_data(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak, ngx_uint_t start); -static ngx_int_t ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak); -static ngx_int_t ngx_http_mp4_crop_stsc_data(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak, ngx_uint_t start); -static ngx_int_t ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak); -static ngx_int_t ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak); -static void ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak, int32_t adjustment); -static ngx_int_t ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, - uint64_t atom_data_size); -static ngx_int_t ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak); -static void ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak, off_t adjustment); - -static char *ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); -static void *ngx_http_mp4_create_conf(ngx_conf_t *cf); -static char *ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child); - - -static ngx_command_t ngx_http_mp4_commands[] = { - - { ngx_string("mp4"), - NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, - ngx_http_mp4, - 0, - 0, - NULL }, - - { ngx_string("mp4_buffer_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_mp4_conf_t, buffer_size), - NULL }, - - { ngx_string("mp4_max_buffer_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_mp4_conf_t, max_buffer_size), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_mp4_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_mp4_create_conf, /* create location configuration */ - ngx_http_mp4_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_mp4_module = { - NGX_MODULE_V1, - &ngx_http_mp4_module_ctx, /* module context */ - ngx_http_mp4_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_mp4_atom_handler_t ngx_http_mp4_atoms[] = { - { "ftyp", ngx_http_mp4_read_ftyp_atom }, - { "moov", ngx_http_mp4_read_moov_atom }, - { "mdat", ngx_http_mp4_read_mdat_atom }, - { NULL, NULL } -}; - -static ngx_http_mp4_atom_handler_t ngx_http_mp4_moov_atoms[] = { - { "mvhd", ngx_http_mp4_read_mvhd_atom }, - { "trak", ngx_http_mp4_read_trak_atom }, - { "cmov", ngx_http_mp4_read_cmov_atom }, - { NULL, NULL } -}; - -static ngx_http_mp4_atom_handler_t ngx_http_mp4_trak_atoms[] = { - { "tkhd", ngx_http_mp4_read_tkhd_atom }, - { "mdia", ngx_http_mp4_read_mdia_atom }, - { NULL, NULL } -}; - -static ngx_http_mp4_atom_handler_t ngx_http_mp4_mdia_atoms[] = { - { "mdhd", ngx_http_mp4_read_mdhd_atom }, - { "hdlr", ngx_http_mp4_read_hdlr_atom }, - { "minf", ngx_http_mp4_read_minf_atom }, - { NULL, NULL } -}; - -static ngx_http_mp4_atom_handler_t ngx_http_mp4_minf_atoms[] = { - { "vmhd", ngx_http_mp4_read_vmhd_atom }, - { "smhd", ngx_http_mp4_read_smhd_atom }, - { "dinf", ngx_http_mp4_read_dinf_atom }, - { "stbl", ngx_http_mp4_read_stbl_atom }, - { NULL, NULL } -}; - -static ngx_http_mp4_atom_handler_t ngx_http_mp4_stbl_atoms[] = { - { "stsd", ngx_http_mp4_read_stsd_atom }, - { "stts", ngx_http_mp4_read_stts_atom }, - { "stss", ngx_http_mp4_read_stss_atom }, - { "ctts", ngx_http_mp4_read_ctts_atom }, - { "stsc", ngx_http_mp4_read_stsc_atom }, - { "stsz", ngx_http_mp4_read_stsz_atom }, - { "stco", ngx_http_mp4_read_stco_atom }, - { "co64", ngx_http_mp4_read_co64_atom }, - { NULL, NULL } -}; - - -static ngx_int_t -ngx_http_mp4_handler(ngx_http_request_t *r) -{ - u_char *last; - size_t root; - ngx_int_t rc, start, end; - ngx_uint_t level, length; - ngx_str_t path, value; - ngx_log_t *log; - ngx_buf_t *b; - ngx_chain_t out; - ngx_http_mp4_file_t *mp4; - ngx_open_file_info_t of; - ngx_http_core_loc_conf_t *clcf; - - if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { - return NGX_HTTP_NOT_ALLOWED; - } - - if (r->uri.data[r->uri.len - 1] == '/') { - return NGX_DECLINED; - } - - rc = ngx_http_discard_request_body(r); - - if (rc != NGX_OK) { - return rc; - } - - last = ngx_http_map_uri_to_path(r, &path, &root, 0); - if (last == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - log = r->connection->log; - - path.len = last - path.data; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, - "http mp4 filename: \"%V\"", &path); - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - ngx_memzero(&of, sizeof(ngx_open_file_info_t)); - - of.read_ahead = clcf->read_ahead; - of.directio = NGX_MAX_OFF_T_VALUE; - of.valid = clcf->open_file_cache_valid; - of.min_uses = clcf->open_file_cache_min_uses; - of.errors = clcf->open_file_cache_errors; - of.events = clcf->open_file_cache_events; - - if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) - != NGX_OK) - { - switch (of.err) { - - case 0: - return NGX_HTTP_INTERNAL_SERVER_ERROR; - - case NGX_ENOENT: - case NGX_ENOTDIR: - case NGX_ENAMETOOLONG: - - level = NGX_LOG_ERR; - rc = NGX_HTTP_NOT_FOUND; - break; - - case NGX_EACCES: -#if (NGX_HAVE_OPENAT) - case NGX_EMLINK: - case NGX_ELOOP: -#endif - - level = NGX_LOG_ERR; - rc = NGX_HTTP_FORBIDDEN; - break; - - default: - - level = NGX_LOG_CRIT; - rc = NGX_HTTP_INTERNAL_SERVER_ERROR; - break; - } - - if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { - ngx_log_error(level, log, of.err, - "%s \"%s\" failed", of.failed, path.data); - } - - return rc; - } - - if (!of.is_file) { - - if (ngx_close_file(of.fd) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - ngx_close_file_n " \"%s\" failed", path.data); - } - - return NGX_DECLINED; - } - - r->root_tested = !r->error_page; - r->allow_ranges = 1; - - start = -1; - length = 0; - r->headers_out.content_length_n = of.size; - mp4 = NULL; - b = NULL; - - if (r->args.len) { - - if (ngx_http_arg(r, (u_char *) "start", 5, &value) == NGX_OK) { - - /* - * A Flash player may send start value with a lot of digits - * after dot so a custom function is used instead of ngx_atofp(). - */ - - start = ngx_http_mp4_atofp(value.data, value.len, 3); - } - - if (ngx_http_arg(r, (u_char *) "end", 3, &value) == NGX_OK) { - - end = ngx_http_mp4_atofp(value.data, value.len, 3); - - if (end > 0) { - if (start < 0) { - start = 0; - } - - if (end > start) { - length = end - start; - } - } - } - } - - if (start >= 0) { - r->single_range = 1; - - mp4 = ngx_pcalloc(r->pool, sizeof(ngx_http_mp4_file_t)); - if (mp4 == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - mp4->file.fd = of.fd; - mp4->file.name = path; - mp4->file.log = r->connection->log; - mp4->end = of.size; - mp4->start = (ngx_uint_t) start; - mp4->length = length; - mp4->request = r; - - switch (ngx_http_mp4_process(mp4)) { - - case NGX_DECLINED: - if (mp4->buffer) { - ngx_pfree(r->pool, mp4->buffer); - } - - ngx_pfree(r->pool, mp4); - mp4 = NULL; - - break; - - case NGX_OK: - r->headers_out.content_length_n = mp4->content_length; - break; - - default: /* NGX_ERROR */ - if (mp4->buffer) { - ngx_pfree(r->pool, mp4->buffer); - } - - ngx_pfree(r->pool, mp4); - - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - } - - log->action = "sending mp4 to client"; - - if (clcf->directio <= of.size) { - - /* - * DIRECTIO is set on transfer only - * to allow kernel to cache "moov" atom - */ - - if (ngx_directio_on(of.fd) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - ngx_directio_on_n " \"%s\" failed", path.data); - } - - of.is_directio = 1; - - if (mp4) { - mp4->file.directio = 1; - } - } - - r->headers_out.status = NGX_HTTP_OK; - r->headers_out.last_modified_time = of.mtime; - - if (ngx_http_set_etag(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_http_set_content_type(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (mp4 == NULL) { - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); - if (b->file == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - } - - rc = ngx_http_send_header(r); - - if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { - return rc; - } - - if (mp4) { - return ngx_http_output_filter(r, mp4->out); - } - - b->file_pos = 0; - b->file_last = of.size; - - b->in_file = b->file_last ? 1 : 0; - b->last_buf = (r == r->main) ? 1 : 0; - b->last_in_chain = 1; - - b->file->fd = of.fd; - b->file->name = path; - b->file->log = log; - b->file->directio = of.is_directio; - - out.buf = b; - out.next = NULL; - - return ngx_http_output_filter(r, &out); -} - - -static ngx_int_t -ngx_http_mp4_atofp(u_char *line, size_t n, size_t point) -{ - ngx_int_t value, cutoff, cutlim; - ngx_uint_t dot; - - /* same as ngx_atofp(), but allows additional digits */ - - if (n == 0) { - return NGX_ERROR; - } - - cutoff = NGX_MAX_INT_T_VALUE / 10; - cutlim = NGX_MAX_INT_T_VALUE % 10; - - dot = 0; - - for (value = 0; n--; line++) { - - if (*line == '.') { - if (dot) { - return NGX_ERROR; - } - - dot = 1; - continue; - } - - if (*line < '0' || *line > '9') { - return NGX_ERROR; - } - - if (point == 0) { - continue; - } - - if (value >= cutoff && (value > cutoff || *line - '0' > cutlim)) { - return NGX_ERROR; - } - - value = value * 10 + (*line - '0'); - point -= dot; - } - - while (point--) { - if (value > cutoff) { - return NGX_ERROR; - } - - value = value * 10; - } - - return value; -} - - -static ngx_int_t -ngx_http_mp4_process(ngx_http_mp4_file_t *mp4) -{ - off_t start_offset, end_offset, adjustment; - ngx_int_t rc; - ngx_uint_t i, j; - ngx_chain_t **prev; - ngx_http_mp4_trak_t *trak; - ngx_http_mp4_conf_t *conf; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 start:%ui, length:%ui", mp4->start, mp4->length); - - conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); - - mp4->buffer_size = conf->buffer_size; - - rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_atoms, mp4->end); - if (rc != NGX_OK) { - return rc; - } - - if (mp4->trak.nelts == 0) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "no mp4 trak atoms were found in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - if (mp4->mdat_atom.buf == NULL) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "no mp4 mdat atom was found in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - prev = &mp4->out; - - if (mp4->ftyp_atom.buf) { - *prev = &mp4->ftyp_atom; - prev = &mp4->ftyp_atom.next; - } - - *prev = &mp4->moov_atom; - prev = &mp4->moov_atom.next; - - if (mp4->mvhd_atom.buf) { - mp4->moov_size += mp4->mvhd_atom_buf.last - mp4->mvhd_atom_buf.pos; - *prev = &mp4->mvhd_atom; - prev = &mp4->mvhd_atom.next; - } - - start_offset = mp4->end; - end_offset = 0; - trak = mp4->trak.elts; - - for (i = 0; i < mp4->trak.nelts; i++) { - - if (ngx_http_mp4_update_stts_atom(mp4, &trak[i]) != NGX_OK) { - return NGX_ERROR; - } - - if (ngx_http_mp4_update_stss_atom(mp4, &trak[i]) != NGX_OK) { - return NGX_ERROR; - } - - ngx_http_mp4_update_ctts_atom(mp4, &trak[i]); - - if (ngx_http_mp4_update_stsc_atom(mp4, &trak[i]) != NGX_OK) { - return NGX_ERROR; - } - - if (ngx_http_mp4_update_stsz_atom(mp4, &trak[i]) != NGX_OK) { - return NGX_ERROR; - } - - if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { - if (ngx_http_mp4_update_co64_atom(mp4, &trak[i]) != NGX_OK) { - return NGX_ERROR; - } - - } else { - if (ngx_http_mp4_update_stco_atom(mp4, &trak[i]) != NGX_OK) { - return NGX_ERROR; - } - } - - ngx_http_mp4_update_stbl_atom(mp4, &trak[i]); - ngx_http_mp4_update_minf_atom(mp4, &trak[i]); - trak[i].size += trak[i].mdhd_size; - trak[i].size += trak[i].hdlr_size; - ngx_http_mp4_update_mdia_atom(mp4, &trak[i]); - trak[i].size += trak[i].tkhd_size; - ngx_http_mp4_update_trak_atom(mp4, &trak[i]); - - mp4->moov_size += trak[i].size; - - if (start_offset > trak[i].start_offset) { - start_offset = trak[i].start_offset; - } - - if (end_offset < trak[i].end_offset) { - end_offset = trak[i].end_offset; - } - - *prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM]; - prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM].next; - - for (j = 0; j < NGX_HTTP_MP4_LAST_ATOM + 1; j++) { - if (trak[i].out[j].buf) { - *prev = &trak[i].out[j]; - prev = &trak[i].out[j].next; - } - } - } - - if (end_offset < start_offset) { - end_offset = start_offset; - } - - mp4->moov_size += 8; - - ngx_mp4_set_32value(mp4->moov_atom_header, mp4->moov_size); - ngx_mp4_set_atom_name(mp4->moov_atom_header, 'm', 'o', 'o', 'v'); - mp4->content_length += mp4->moov_size; - - *prev = &mp4->mdat_atom; - - if (start_offset > mp4->mdat_data.buf->file_last) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "start time is out mp4 mdat atom in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - adjustment = mp4->ftyp_size + mp4->moov_size - + ngx_http_mp4_update_mdat_atom(mp4, start_offset, end_offset) - - start_offset; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 adjustment:%O", adjustment); - - for (i = 0; i < mp4->trak.nelts; i++) { - if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { - ngx_http_mp4_adjust_co64_atom(mp4, &trak[i], adjustment); - } else { - ngx_http_mp4_adjust_stco_atom(mp4, &trak[i], (int32_t) adjustment); - } - } - - return NGX_OK; -} - - -typedef struct { - u_char size[4]; - u_char name[4]; -} ngx_mp4_atom_header_t; - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char size64[8]; -} ngx_mp4_atom_header64_t; - - -static ngx_int_t -ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size) -{ - off_t end; - size_t atom_header_size; - u_char *atom_header, *atom_name; - uint64_t atom_size; - ngx_int_t rc; - ngx_uint_t n; - - end = mp4->offset + atom_data_size; - - while (mp4->offset < end) { - - if (ngx_http_mp4_read(mp4, sizeof(uint32_t)) != NGX_OK) { - return NGX_ERROR; - } - - atom_header = mp4->buffer_pos; - atom_size = ngx_mp4_get_32value(atom_header); - atom_header_size = sizeof(ngx_mp4_atom_header_t); - - if (atom_size == 0) { - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 atom end"); - return NGX_OK; - } - - if (atom_size < sizeof(ngx_mp4_atom_header_t)) { - - if (atom_size == 1) { - - if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header64_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - /* 64-bit atom size */ - atom_header = mp4->buffer_pos; - atom_size = ngx_mp4_get_64value(atom_header + 8); - atom_header_size = sizeof(ngx_mp4_atom_header64_t); - - if (atom_size < sizeof(ngx_mp4_atom_header64_t)) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 atom is too small:%uL", - mp4->file.name.data, atom_size); - return NGX_ERROR; - } - - } else { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 atom is too small:%uL", - mp4->file.name.data, atom_size); - return NGX_ERROR; - } - } - - if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header_t)) != NGX_OK) { - return NGX_ERROR; - } - - atom_header = mp4->buffer_pos; - atom_name = atom_header + sizeof(uint32_t); - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 atom: %*s @%O:%uL", - (size_t) 4, atom_name, mp4->offset, atom_size); - - if (atom_size > (uint64_t) (NGX_MAX_OFF_T_VALUE - mp4->offset) - || mp4->offset + (off_t) atom_size > end) - { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 atom too large:%uL", - mp4->file.name.data, atom_size); - return NGX_ERROR; - } - - for (n = 0; atom[n].name; n++) { - - if (ngx_strncmp(atom_name, atom[n].name, 4) == 0) { - - ngx_mp4_atom_next(mp4, atom_header_size); - - rc = atom[n].handler(mp4, atom_size - atom_header_size); - if (rc != NGX_OK) { - return rc; - } - - goto next; - } - } - - ngx_mp4_atom_next(mp4, atom_size); - - next: - continue; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size) -{ - ssize_t n; - - if (mp4->buffer_pos + size <= mp4->buffer_end) { - return NGX_OK; - } - - if (mp4->offset + (off_t) mp4->buffer_size > mp4->end) { - mp4->buffer_size = (size_t) (mp4->end - mp4->offset); - } - - if (mp4->buffer_size < size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 file truncated", mp4->file.name.data); - return NGX_ERROR; - } - - if (mp4->buffer == NULL) { - mp4->buffer = ngx_palloc(mp4->request->pool, mp4->buffer_size); - if (mp4->buffer == NULL) { - return NGX_ERROR; - } - - mp4->buffer_start = mp4->buffer; - } - - n = ngx_read_file(&mp4->file, mp4->buffer_start, mp4->buffer_size, - mp4->offset); - - if (n == NGX_ERROR) { - return NGX_ERROR; - } - - if ((size_t) n != mp4->buffer_size) { - ngx_log_error(NGX_LOG_CRIT, mp4->file.log, 0, - ngx_read_file_n " read only %z of %z from \"%s\"", - n, mp4->buffer_size, mp4->file.name.data); - return NGX_ERROR; - } - - mp4->buffer_pos = mp4->buffer_start; - mp4->buffer_end = mp4->buffer_start + mp4->buffer_size; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *ftyp_atom; - size_t atom_size; - ngx_buf_t *atom; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ftyp atom"); - - if (atom_data_size > 1024 - || ngx_mp4_atom_data(mp4) + (size_t) atom_data_size > mp4->buffer_end) - { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 ftyp atom is too large:%uL", - mp4->file.name.data, atom_data_size); - return NGX_ERROR; - } - - atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; - - ftyp_atom = ngx_palloc(mp4->request->pool, atom_size); - if (ftyp_atom == NULL) { - return NGX_ERROR; - } - - ngx_mp4_set_32value(ftyp_atom, atom_size); - ngx_mp4_set_atom_name(ftyp_atom, 'f', 't', 'y', 'p'); - - /* - * only moov atom content is guaranteed to be in mp4->buffer - * during sending response, so ftyp atom content should be copied - */ - ngx_memcpy(ftyp_atom + sizeof(ngx_mp4_atom_header_t), - ngx_mp4_atom_data(mp4), (size_t) atom_data_size); - - atom = &mp4->ftyp_atom_buf; - atom->temporary = 1; - atom->pos = ftyp_atom; - atom->last = ftyp_atom + atom_size; - - mp4->ftyp_atom.buf = atom; - mp4->ftyp_size = atom_size; - mp4->content_length = atom_size; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -/* - * Small excess buffer to process atoms after moov atom, mp4->buffer_start - * will be set to this buffer part after moov atom processing. - */ -#define NGX_HTTP_MP4_MOOV_BUFFER_EXCESS (4 * 1024) - -static ngx_int_t -ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - ngx_int_t rc; - ngx_uint_t no_mdat; - ngx_buf_t *atom; - ngx_http_mp4_conf_t *conf; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom"); - - no_mdat = (mp4->mdat_atom.buf == NULL); - - if (no_mdat && mp4->start == 0 && mp4->length == 0) { - /* - * send original file if moov atom resides before - * mdat atom and client requests integral file - */ - return NGX_DECLINED; - } - - conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); - - if (atom_data_size > mp4->buffer_size) { - - if (atom_data_size > conf->max_buffer_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 moov atom is too large:%uL, " - "you may want to increase mp4_max_buffer_size", - mp4->file.name.data, atom_data_size); - return NGX_ERROR; - } - - ngx_pfree(mp4->request->pool, mp4->buffer); - mp4->buffer = NULL; - mp4->buffer_pos = NULL; - mp4->buffer_end = NULL; - - mp4->buffer_size = (size_t) atom_data_size - + NGX_HTTP_MP4_MOOV_BUFFER_EXCESS * no_mdat; - } - - if (ngx_http_mp4_read(mp4, (size_t) atom_data_size) != NGX_OK) { - return NGX_ERROR; - } - - mp4->trak.elts = &mp4->traks; - mp4->trak.size = sizeof(ngx_http_mp4_trak_t); - mp4->trak.nalloc = 2; - mp4->trak.pool = mp4->request->pool; - - atom = &mp4->moov_atom_buf; - atom->temporary = 1; - atom->pos = mp4->moov_atom_header; - atom->last = mp4->moov_atom_header + 8; - - mp4->moov_atom.buf = &mp4->moov_atom_buf; - - rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_moov_atoms, atom_data_size); - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom done"); - - if (no_mdat) { - mp4->buffer_start = mp4->buffer_pos; - mp4->buffer_size = NGX_HTTP_MP4_MOOV_BUFFER_EXCESS; - - if (mp4->buffer_start + mp4->buffer_size > mp4->buffer_end) { - mp4->buffer = NULL; - mp4->buffer_pos = NULL; - mp4->buffer_end = NULL; - } - - } else { - /* skip atoms after moov atom */ - mp4->offset = mp4->end; - } - - return rc; -} - - -static ngx_int_t -ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - ngx_buf_t *data; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdat atom"); - - data = &mp4->mdat_data_buf; - data->file = &mp4->file; - data->in_file = 1; - data->last_buf = (mp4->request == mp4->request->main) ? 1 : 0; - data->last_in_chain = 1; - data->file_last = mp4->offset + atom_data_size; - - mp4->mdat_atom.buf = &mp4->mdat_atom_buf; - mp4->mdat_atom.next = &mp4->mdat_data; - mp4->mdat_data.buf = data; - - if (mp4->trak.nelts) { - /* skip atoms after mdat atom */ - mp4->offset = mp4->end; - - } else { - ngx_mp4_atom_next(mp4, atom_data_size); - } - - return NGX_OK; -} - - -static size_t -ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, off_t start_offset, - off_t end_offset) -{ - off_t atom_data_size; - u_char *atom_header; - uint32_t atom_header_size; - uint64_t atom_size; - ngx_buf_t *atom; - - atom_data_size = end_offset - start_offset; - mp4->mdat_data.buf->file_pos = start_offset; - mp4->mdat_data.buf->file_last = end_offset; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mdat new offset @%O:%O", start_offset, atom_data_size); - - atom_header = mp4->mdat_atom_header; - - if ((uint64_t) atom_data_size - > (uint64_t) 0xffffffff - sizeof(ngx_mp4_atom_header_t)) - { - atom_size = 1; - atom_header_size = sizeof(ngx_mp4_atom_header64_t); - ngx_mp4_set_64value(atom_header + sizeof(ngx_mp4_atom_header_t), - sizeof(ngx_mp4_atom_header64_t) + atom_data_size); - } else { - atom_size = sizeof(ngx_mp4_atom_header_t) + atom_data_size; - atom_header_size = sizeof(ngx_mp4_atom_header_t); - } - - mp4->content_length += atom_header_size + atom_data_size; - - ngx_mp4_set_32value(atom_header, atom_size); - ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'a', 't'); - - atom = &mp4->mdat_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_header + atom_header_size; - - return atom_header_size; -} - - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char creation_time[4]; - u_char modification_time[4]; - u_char timescale[4]; - u_char duration[4]; - u_char rate[4]; - u_char volume[2]; - u_char reserved[10]; - u_char matrix[36]; - u_char preview_time[4]; - u_char preview_duration[4]; - u_char poster_time[4]; - u_char selection_time[4]; - u_char selection_duration[4]; - u_char current_time[4]; - u_char next_track_id[4]; -} ngx_mp4_mvhd_atom_t; - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char creation_time[8]; - u_char modification_time[8]; - u_char timescale[4]; - u_char duration[8]; - u_char rate[4]; - u_char volume[2]; - u_char reserved[10]; - u_char matrix[36]; - u_char preview_time[4]; - u_char preview_duration[4]; - u_char poster_time[4]; - u_char selection_time[4]; - u_char selection_duration[4]; - u_char current_time[4]; - u_char next_track_id[4]; -} ngx_mp4_mvhd64_atom_t; - - -static ngx_int_t -ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header; - size_t atom_size; - uint32_t timescale; - uint64_t duration, start_time, length_time; - ngx_buf_t *atom; - ngx_mp4_mvhd_atom_t *mvhd_atom; - ngx_mp4_mvhd64_atom_t *mvhd64_atom; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mvhd atom"); - - atom_header = ngx_mp4_atom_header(mp4); - mvhd_atom = (ngx_mp4_mvhd_atom_t *) atom_header; - mvhd64_atom = (ngx_mp4_mvhd64_atom_t *) atom_header; - ngx_mp4_set_atom_name(atom_header, 'm', 'v', 'h', 'd'); - - if (ngx_mp4_atom_data_size(ngx_mp4_mvhd_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 mvhd atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - if (mvhd_atom->version[0] == 0) { - /* version 0: 32-bit duration */ - timescale = ngx_mp4_get_32value(mvhd_atom->timescale); - duration = ngx_mp4_get_32value(mvhd_atom->duration); - - } else { - /* version 1: 64-bit duration */ - - if (ngx_mp4_atom_data_size(ngx_mp4_mvhd64_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 mvhd atom too small", - mp4->file.name.data); - return NGX_ERROR; - } - - timescale = ngx_mp4_get_32value(mvhd64_atom->timescale); - duration = ngx_mp4_get_64value(mvhd64_atom->duration); - } - - mp4->timescale = timescale; - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mvhd timescale:%uD, duration:%uL, time:%.3fs", - timescale, duration, (double) duration / timescale); - - start_time = (uint64_t) mp4->start * timescale / 1000; - - if (duration < start_time) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 start time exceeds file duration", - mp4->file.name.data); - return NGX_ERROR; - } - - duration -= start_time; - - if (mp4->length) { - length_time = (uint64_t) mp4->length * timescale / 1000; - - if (duration > length_time) { - duration = length_time; - } - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mvhd new duration:%uL, time:%.3fs", - duration, (double) duration / timescale); - - atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; - ngx_mp4_set_32value(mvhd_atom->size, atom_size); - - if (mvhd_atom->version[0] == 0) { - ngx_mp4_set_32value(mvhd_atom->duration, duration); - - } else { - ngx_mp4_set_64value(mvhd64_atom->duration, duration); - } - - atom = &mp4->mvhd_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_header + atom_size; - - mp4->mvhd_atom.buf = atom; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header, *atom_end; - off_t atom_file_end; - ngx_int_t rc; - ngx_buf_t *atom; - ngx_http_mp4_trak_t *trak; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 trak atom"); - - trak = ngx_array_push(&mp4->trak); - if (trak == NULL) { - return NGX_ERROR; - } - - ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); - - atom_header = ngx_mp4_atom_header(mp4); - ngx_mp4_set_atom_name(atom_header, 't', 'r', 'a', 'k'); - - atom = &trak->trak_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); - - trak->out[NGX_HTTP_MP4_TRAK_ATOM].buf = atom; - - atom_end = mp4->buffer_pos + (size_t) atom_data_size; - atom_file_end = mp4->offset + atom_data_size; - - rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_trak_atoms, atom_data_size); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 trak atom: %i", rc); - - if (rc == NGX_DECLINED) { - /* skip this trak */ - ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); - mp4->trak.nelts--; - mp4->buffer_pos = atom_end; - mp4->offset = atom_file_end; - return NGX_OK; - } - - return rc; -} - - -static void -ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak) -{ - ngx_buf_t *atom; - - trak->size += sizeof(ngx_mp4_atom_header_t); - atom = &trak->trak_atom_buf; - ngx_mp4_set_32value(atom->pos, trak->size); -} - - -static ngx_int_t -ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 compressed moov atom (cmov) is not supported", - mp4->file.name.data); - - return NGX_ERROR; -} - - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char creation_time[4]; - u_char modification_time[4]; - u_char track_id[4]; - u_char reserved1[4]; - u_char duration[4]; - u_char reserved2[8]; - u_char layer[2]; - u_char group[2]; - u_char volume[2]; - u_char reserved3[2]; - u_char matrix[36]; - u_char width[4]; - u_char height[4]; -} ngx_mp4_tkhd_atom_t; - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char creation_time[8]; - u_char modification_time[8]; - u_char track_id[4]; - u_char reserved1[4]; - u_char duration[8]; - u_char reserved2[8]; - u_char layer[2]; - u_char group[2]; - u_char volume[2]; - u_char reserved3[2]; - u_char matrix[36]; - u_char width[4]; - u_char height[4]; -} ngx_mp4_tkhd64_atom_t; - - -static ngx_int_t -ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header; - size_t atom_size; - uint64_t duration, start_time, length_time; - ngx_buf_t *atom; - ngx_http_mp4_trak_t *trak; - ngx_mp4_tkhd_atom_t *tkhd_atom; - ngx_mp4_tkhd64_atom_t *tkhd64_atom; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 tkhd atom"); - - atom_header = ngx_mp4_atom_header(mp4); - tkhd_atom = (ngx_mp4_tkhd_atom_t *) atom_header; - tkhd64_atom = (ngx_mp4_tkhd64_atom_t *) atom_header; - ngx_mp4_set_atom_name(tkhd_atom, 't', 'k', 'h', 'd'); - - if (ngx_mp4_atom_data_size(ngx_mp4_tkhd_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 tkhd atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - if (tkhd_atom->version[0] == 0) { - /* version 0: 32-bit duration */ - duration = ngx_mp4_get_32value(tkhd_atom->duration); - - } else { - /* version 1: 64-bit duration */ - - if (ngx_mp4_atom_data_size(ngx_mp4_tkhd64_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 tkhd atom too small", - mp4->file.name.data); - return NGX_ERROR; - } - - duration = ngx_mp4_get_64value(tkhd64_atom->duration); - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "tkhd duration:%uL, time:%.3fs", - duration, (double) duration / mp4->timescale); - - start_time = (uint64_t) mp4->start * mp4->timescale / 1000; - - if (duration <= start_time) { - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "tkhd duration is less than start time"); - return NGX_DECLINED; - } - - duration -= start_time; - - if (mp4->length) { - length_time = (uint64_t) mp4->length * mp4->timescale / 1000; - - if (duration > length_time) { - duration = length_time; - } - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "tkhd new duration:%uL, time:%.3fs", - duration, (double) duration / mp4->timescale); - - atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; - - trak = ngx_mp4_last_trak(mp4); - trak->tkhd_size = atom_size; - - ngx_mp4_set_32value(tkhd_atom->size, atom_size); - - if (tkhd_atom->version[0] == 0) { - ngx_mp4_set_32value(tkhd_atom->duration, duration); - - } else { - ngx_mp4_set_64value(tkhd64_atom->duration, duration); - } - - atom = &trak->tkhd_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_header + atom_size; - - trak->out[NGX_HTTP_MP4_TKHD_ATOM].buf = atom; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header; - ngx_buf_t *atom; - ngx_http_mp4_trak_t *trak; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process mdia atom"); - - atom_header = ngx_mp4_atom_header(mp4); - ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'i', 'a'); - - trak = ngx_mp4_last_trak(mp4); - - atom = &trak->mdia_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); - - trak->out[NGX_HTTP_MP4_MDIA_ATOM].buf = atom; - - return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_mdia_atoms, atom_data_size); -} - - -static void -ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak) -{ - ngx_buf_t *atom; - - trak->size += sizeof(ngx_mp4_atom_header_t); - atom = &trak->mdia_atom_buf; - ngx_mp4_set_32value(atom->pos, trak->size); -} - - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char creation_time[4]; - u_char modification_time[4]; - u_char timescale[4]; - u_char duration[4]; - u_char language[2]; - u_char quality[2]; -} ngx_mp4_mdhd_atom_t; - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char creation_time[8]; - u_char modification_time[8]; - u_char timescale[4]; - u_char duration[8]; - u_char language[2]; - u_char quality[2]; -} ngx_mp4_mdhd64_atom_t; - - -static ngx_int_t -ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header; - size_t atom_size; - uint32_t timescale; - uint64_t duration, start_time, length_time; - ngx_buf_t *atom; - ngx_http_mp4_trak_t *trak; - ngx_mp4_mdhd_atom_t *mdhd_atom; - ngx_mp4_mdhd64_atom_t *mdhd64_atom; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdhd atom"); - - atom_header = ngx_mp4_atom_header(mp4); - mdhd_atom = (ngx_mp4_mdhd_atom_t *) atom_header; - mdhd64_atom = (ngx_mp4_mdhd64_atom_t *) atom_header; - ngx_mp4_set_atom_name(mdhd_atom, 'm', 'd', 'h', 'd'); - - if (ngx_mp4_atom_data_size(ngx_mp4_mdhd_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 mdhd atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - if (mdhd_atom->version[0] == 0) { - /* version 0: everything is 32-bit */ - timescale = ngx_mp4_get_32value(mdhd_atom->timescale); - duration = ngx_mp4_get_32value(mdhd_atom->duration); - - } else { - /* version 1: 64-bit duration and 32-bit timescale */ - - if (ngx_mp4_atom_data_size(ngx_mp4_mdhd64_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 mdhd atom too small", - mp4->file.name.data); - return NGX_ERROR; - } - - timescale = ngx_mp4_get_32value(mdhd64_atom->timescale); - duration = ngx_mp4_get_64value(mdhd64_atom->duration); - } - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mdhd timescale:%uD, duration:%uL, time:%.3fs", - timescale, duration, (double) duration / timescale); - - start_time = (uint64_t) mp4->start * timescale / 1000; - - if (duration <= start_time) { - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mdhd duration is less than start time"); - return NGX_DECLINED; - } - - duration -= start_time; - - if (mp4->length) { - length_time = (uint64_t) mp4->length * timescale / 1000; - - if (duration > length_time) { - duration = length_time; - } - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mdhd new duration:%uL, time:%.3fs", - duration, (double) duration / timescale); - - atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; - - trak = ngx_mp4_last_trak(mp4); - trak->mdhd_size = atom_size; - trak->timescale = timescale; - - ngx_mp4_set_32value(mdhd_atom->size, atom_size); - - if (mdhd_atom->version[0] == 0) { - ngx_mp4_set_32value(mdhd_atom->duration, duration); - - } else { - ngx_mp4_set_64value(mdhd64_atom->duration, duration); - } - - atom = &trak->mdhd_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_header + atom_size; - - trak->out[NGX_HTTP_MP4_MDHD_ATOM].buf = atom; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header; - size_t atom_size; - ngx_buf_t *atom; - ngx_http_mp4_trak_t *trak; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 hdlr atom"); - - atom_header = ngx_mp4_atom_header(mp4); - atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; - ngx_mp4_set_32value(atom_header, atom_size); - ngx_mp4_set_atom_name(atom_header, 'h', 'd', 'l', 'r'); - - trak = ngx_mp4_last_trak(mp4); - - atom = &trak->hdlr_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_header + atom_size; - - trak->hdlr_size = atom_size; - trak->out[NGX_HTTP_MP4_HDLR_ATOM].buf = atom; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header; - ngx_buf_t *atom; - ngx_http_mp4_trak_t *trak; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process minf atom"); - - atom_header = ngx_mp4_atom_header(mp4); - ngx_mp4_set_atom_name(atom_header, 'm', 'i', 'n', 'f'); - - trak = ngx_mp4_last_trak(mp4); - - atom = &trak->minf_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); - - trak->out[NGX_HTTP_MP4_MINF_ATOM].buf = atom; - - return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_minf_atoms, atom_data_size); -} - - -static void -ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak) -{ - ngx_buf_t *atom; - - trak->size += sizeof(ngx_mp4_atom_header_t) - + trak->vmhd_size - + trak->smhd_size - + trak->dinf_size; - atom = &trak->minf_atom_buf; - ngx_mp4_set_32value(atom->pos, trak->size); -} - - -static ngx_int_t -ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header; - size_t atom_size; - ngx_buf_t *atom; - ngx_http_mp4_trak_t *trak; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 vmhd atom"); - - atom_header = ngx_mp4_atom_header(mp4); - atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; - ngx_mp4_set_32value(atom_header, atom_size); - ngx_mp4_set_atom_name(atom_header, 'v', 'm', 'h', 'd'); - - trak = ngx_mp4_last_trak(mp4); - - atom = &trak->vmhd_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_header + atom_size; - - trak->vmhd_size += atom_size; - trak->out[NGX_HTTP_MP4_VMHD_ATOM].buf = atom; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header; - size_t atom_size; - ngx_buf_t *atom; - ngx_http_mp4_trak_t *trak; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 smhd atom"); - - atom_header = ngx_mp4_atom_header(mp4); - atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; - ngx_mp4_set_32value(atom_header, atom_size); - ngx_mp4_set_atom_name(atom_header, 's', 'm', 'h', 'd'); - - trak = ngx_mp4_last_trak(mp4); - - atom = &trak->smhd_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_header + atom_size; - - trak->smhd_size += atom_size; - trak->out[NGX_HTTP_MP4_SMHD_ATOM].buf = atom; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header; - size_t atom_size; - ngx_buf_t *atom; - ngx_http_mp4_trak_t *trak; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 dinf atom"); - - atom_header = ngx_mp4_atom_header(mp4); - atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; - ngx_mp4_set_32value(atom_header, atom_size); - ngx_mp4_set_atom_name(atom_header, 'd', 'i', 'n', 'f'); - - trak = ngx_mp4_last_trak(mp4); - - atom = &trak->dinf_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_header + atom_size; - - trak->dinf_size += atom_size; - trak->out[NGX_HTTP_MP4_DINF_ATOM].buf = atom; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header; - ngx_buf_t *atom; - ngx_http_mp4_trak_t *trak; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process stbl atom"); - - atom_header = ngx_mp4_atom_header(mp4); - ngx_mp4_set_atom_name(atom_header, 's', 't', 'b', 'l'); - - trak = ngx_mp4_last_trak(mp4); - - atom = &trak->stbl_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); - - trak->out[NGX_HTTP_MP4_STBL_ATOM].buf = atom; - - return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_stbl_atoms, atom_data_size); -} - - -static void -ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak) -{ - ngx_buf_t *atom; - - trak->size += sizeof(ngx_mp4_atom_header_t); - atom = &trak->stbl_atom_buf; - ngx_mp4_set_32value(atom->pos, trak->size); -} - - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char entries[4]; - - u_char media_size[4]; - u_char media_name[4]; -} ngx_mp4_stsd_atom_t; - - -static ngx_int_t -ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header, *atom_table; - size_t atom_size; - ngx_buf_t *atom; - ngx_mp4_stsd_atom_t *stsd_atom; - ngx_http_mp4_trak_t *trak; - - /* sample description atom */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsd atom"); - - atom_header = ngx_mp4_atom_header(mp4); - stsd_atom = (ngx_mp4_stsd_atom_t *) atom_header; - atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; - atom_table = atom_header + atom_size; - ngx_mp4_set_32value(stsd_atom->size, atom_size); - ngx_mp4_set_atom_name(stsd_atom, 's', 't', 's', 'd'); - - if (ngx_mp4_atom_data_size(ngx_mp4_stsd_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 stsd atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "stsd entries:%uD, media:%*s", - ngx_mp4_get_32value(stsd_atom->entries), - (size_t) 4, stsd_atom->media_name); - - trak = ngx_mp4_last_trak(mp4); - - atom = &trak->stsd_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_table; - - trak->out[NGX_HTTP_MP4_STSD_ATOM].buf = atom; - trak->size += atom_size; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char entries[4]; -} ngx_mp4_stts_atom_t; - -typedef struct { - u_char count[4]; - u_char duration[4]; -} ngx_mp4_stts_entry_t; - - -static ngx_int_t -ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header, *atom_table, *atom_end; - uint32_t entries; - ngx_buf_t *atom, *data; - ngx_mp4_stts_atom_t *stts_atom; - ngx_http_mp4_trak_t *trak; - - /* time-to-sample atom */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stts atom"); - - atom_header = ngx_mp4_atom_header(mp4); - stts_atom = (ngx_mp4_stts_atom_t *) atom_header; - ngx_mp4_set_atom_name(stts_atom, 's', 't', 't', 's'); - - if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 stts atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - entries = ngx_mp4_get_32value(stts_atom->entries); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 time-to-sample entries:%uD", entries); - - if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) - + entries * sizeof(ngx_mp4_stts_entry_t) > atom_data_size) - { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 stts atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - atom_table = atom_header + sizeof(ngx_mp4_stts_atom_t); - atom_end = atom_table + entries * sizeof(ngx_mp4_stts_entry_t); - - trak = ngx_mp4_last_trak(mp4); - trak->time_to_sample_entries = entries; - - atom = &trak->stts_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_table; - - data = &trak->stts_data_buf; - data->temporary = 1; - data->pos = atom_table; - data->last = atom_end; - - trak->out[NGX_HTTP_MP4_STTS_ATOM].buf = atom; - trak->out[NGX_HTTP_MP4_STTS_DATA].buf = data; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak) -{ - size_t atom_size; - ngx_buf_t *atom, *data; - ngx_mp4_stts_atom_t *stts_atom; - - /* - * mdia.minf.stbl.stts updating requires trak->timescale - * from mdia.mdhd atom which may reside after mdia.minf - */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 stts atom update"); - - data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf; - - if (data == NULL) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "no mp4 stts atoms were found in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - if (ngx_http_mp4_crop_stts_data(mp4, trak, 1) != NGX_OK) { - return NGX_ERROR; - } - - if (ngx_http_mp4_crop_stts_data(mp4, trak, 0) != NGX_OK) { - return NGX_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "time-to-sample entries:%uD", trak->time_to_sample_entries); - - atom_size = sizeof(ngx_mp4_stts_atom_t) + (data->last - data->pos); - trak->size += atom_size; - - atom = trak->out[NGX_HTTP_MP4_STTS_ATOM].buf; - stts_atom = (ngx_mp4_stts_atom_t *) atom->pos; - ngx_mp4_set_32value(stts_atom->size, atom_size); - ngx_mp4_set_32value(stts_atom->entries, trak->time_to_sample_entries); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_crop_stts_data(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak, ngx_uint_t start) -{ - uint32_t count, duration, rest; - uint64_t start_time; - ngx_buf_t *data; - ngx_uint_t start_sample, entries, start_sec; - ngx_mp4_stts_entry_t *entry, *end; - - if (start) { - start_sec = mp4->start; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 stts crop start_time:%ui", start_sec); - - } else if (mp4->length) { - start_sec = mp4->length; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 stts crop end_time:%ui", start_sec); - - } else { - return NGX_OK; - } - - data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf; - - start_time = (uint64_t) start_sec * trak->timescale / 1000; - - entries = trak->time_to_sample_entries; - start_sample = 0; - entry = (ngx_mp4_stts_entry_t *) data->pos; - end = (ngx_mp4_stts_entry_t *) data->last; - - while (entry < end) { - count = ngx_mp4_get_32value(entry->count); - duration = ngx_mp4_get_32value(entry->duration); - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "time:%uL, count:%uD, duration:%uD", - start_time, count, duration); - - if (start_time < (uint64_t) count * duration) { - start_sample += (ngx_uint_t) (start_time / duration); - rest = (uint32_t) (start_time / duration); - goto found; - } - - start_sample += count; - start_time -= count * duration; - entries--; - entry++; - } - - if (start) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "start time is out mp4 stts samples in \"%s\"", - mp4->file.name.data); - - return NGX_ERROR; - - } else { - trak->end_sample = trak->start_sample + start_sample; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "end_sample:%ui", trak->end_sample); - - return NGX_OK; - } - -found: - - if (start) { - ngx_mp4_set_32value(entry->count, count - rest); - data->pos = (u_char *) entry; - trak->time_to_sample_entries = entries; - trak->start_sample = start_sample; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "start_sample:%ui, new count:%uD", - trak->start_sample, count - rest); - - } else { - ngx_mp4_set_32value(entry->count, rest); - data->last = (u_char *) (entry + 1); - trak->time_to_sample_entries -= entries - 1; - trak->end_sample = trak->start_sample + start_sample; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "end_sample:%ui, new count:%uD", - trak->end_sample, rest); - } - - return NGX_OK; -} - - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char entries[4]; -} ngx_http_mp4_stss_atom_t; - - -static ngx_int_t -ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header, *atom_table, *atom_end; - uint32_t entries; - ngx_buf_t *atom, *data; - ngx_http_mp4_trak_t *trak; - ngx_http_mp4_stss_atom_t *stss_atom; - - /* sync samples atom */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stss atom"); - - atom_header = ngx_mp4_atom_header(mp4); - stss_atom = (ngx_http_mp4_stss_atom_t *) atom_header; - ngx_mp4_set_atom_name(stss_atom, 's', 't', 's', 's'); - - if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 stss atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - entries = ngx_mp4_get_32value(stss_atom->entries); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "sync sample entries:%uD", entries); - - trak = ngx_mp4_last_trak(mp4); - trak->sync_samples_entries = entries; - - atom_table = atom_header + sizeof(ngx_http_mp4_stss_atom_t); - - atom = &trak->stss_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_table; - - if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) - + entries * sizeof(uint32_t) > atom_data_size) - { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 stss atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - atom_end = atom_table + entries * sizeof(uint32_t); - - data = &trak->stss_data_buf; - data->temporary = 1; - data->pos = atom_table; - data->last = atom_end; - - trak->out[NGX_HTTP_MP4_STSS_ATOM].buf = atom; - trak->out[NGX_HTTP_MP4_STSS_DATA].buf = data; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak) -{ - size_t atom_size; - uint32_t sample, start_sample, *entry, *end; - ngx_buf_t *atom, *data; - ngx_http_mp4_stss_atom_t *stss_atom; - - /* - * mdia.minf.stbl.stss updating requires trak->start_sample - * from mdia.minf.stbl.stts which depends on value from mdia.mdhd - * atom which may reside after mdia.minf - */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 stss atom update"); - - data = trak->out[NGX_HTTP_MP4_STSS_DATA].buf; - - if (data == NULL) { - return NGX_OK; - } - - ngx_http_mp4_crop_stss_data(mp4, trak, 1); - ngx_http_mp4_crop_stss_data(mp4, trak, 0); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "sync sample entries:%uD", trak->sync_samples_entries); - - if (trak->sync_samples_entries) { - entry = (uint32_t *) data->pos; - end = (uint32_t *) data->last; - - start_sample = trak->start_sample; - - while (entry < end) { - sample = ngx_mp4_get_32value(entry); - sample -= start_sample; - ngx_mp4_set_32value(entry, sample); - entry++; - } - - } else { - trak->out[NGX_HTTP_MP4_STSS_DATA].buf = NULL; - } - - atom_size = sizeof(ngx_http_mp4_stss_atom_t) + (data->last - data->pos); - trak->size += atom_size; - - atom = trak->out[NGX_HTTP_MP4_STSS_ATOM].buf; - stss_atom = (ngx_http_mp4_stss_atom_t *) atom->pos; - - ngx_mp4_set_32value(stss_atom->size, atom_size); - ngx_mp4_set_32value(stss_atom->entries, trak->sync_samples_entries); - - return NGX_OK; -} - - -static void -ngx_http_mp4_crop_stss_data(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak, ngx_uint_t start) -{ - uint32_t sample, start_sample, *entry, *end; - ngx_buf_t *data; - ngx_uint_t entries; - - /* sync samples starts from 1 */ - - if (start) { - start_sample = trak->start_sample + 1; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 stss crop start_sample:%uD", start_sample); - - } else if (mp4->length) { - start_sample = trak->end_sample + 1; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 stss crop end_sample:%uD", start_sample); - - } else { - return; - } - - data = trak->out[NGX_HTTP_MP4_STSS_DATA].buf; - - entries = trak->sync_samples_entries; - entry = (uint32_t *) data->pos; - end = (uint32_t *) data->last; - - while (entry < end) { - sample = ngx_mp4_get_32value(entry); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "sync:%uD", sample); - - if (sample >= start_sample) { - goto found; - } - - entries--; - entry++; - } - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "sample is out of mp4 stss atom"); - -found: - - if (start) { - data->pos = (u_char *) entry; - trak->sync_samples_entries = entries; - - } else { - data->last = (u_char *) entry; - trak->sync_samples_entries -= entries; - } -} - - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char entries[4]; -} ngx_mp4_ctts_atom_t; - -typedef struct { - u_char count[4]; - u_char offset[4]; -} ngx_mp4_ctts_entry_t; - - -static ngx_int_t -ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header, *atom_table, *atom_end; - uint32_t entries; - ngx_buf_t *atom, *data; - ngx_mp4_ctts_atom_t *ctts_atom; - ngx_http_mp4_trak_t *trak; - - /* composition offsets atom */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ctts atom"); - - atom_header = ngx_mp4_atom_header(mp4); - ctts_atom = (ngx_mp4_ctts_atom_t *) atom_header; - ngx_mp4_set_atom_name(ctts_atom, 'c', 't', 't', 's'); - - if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 ctts atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - entries = ngx_mp4_get_32value(ctts_atom->entries); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "composition offset entries:%uD", entries); - - trak = ngx_mp4_last_trak(mp4); - trak->composition_offset_entries = entries; - - atom_table = atom_header + sizeof(ngx_mp4_ctts_atom_t); - - atom = &trak->ctts_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_table; - - if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) - + entries * sizeof(ngx_mp4_ctts_entry_t) > atom_data_size) - { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 ctts atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - atom_end = atom_table + entries * sizeof(ngx_mp4_ctts_entry_t); - - data = &trak->ctts_data_buf; - data->temporary = 1; - data->pos = atom_table; - data->last = atom_end; - - trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = atom; - trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = data; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static void -ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak) -{ - size_t atom_size; - ngx_buf_t *atom, *data; - ngx_mp4_ctts_atom_t *ctts_atom; - - /* - * mdia.minf.stbl.ctts updating requires trak->start_sample - * from mdia.minf.stbl.stts which depends on value from mdia.mdhd - * atom which may reside after mdia.minf - */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 ctts atom update"); - - data = trak->out[NGX_HTTP_MP4_CTTS_DATA].buf; - - if (data == NULL) { - return; - } - - ngx_http_mp4_crop_ctts_data(mp4, trak, 1); - ngx_http_mp4_crop_ctts_data(mp4, trak, 0); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "composition offset entries:%uD", - trak->composition_offset_entries); - - if (trak->composition_offset_entries == 0) { - trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = NULL; - trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = NULL; - return; - } - - atom_size = sizeof(ngx_mp4_ctts_atom_t) + (data->last - data->pos); - trak->size += atom_size; - - atom = trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf; - ctts_atom = (ngx_mp4_ctts_atom_t *) atom->pos; - - ngx_mp4_set_32value(ctts_atom->size, atom_size); - ngx_mp4_set_32value(ctts_atom->entries, trak->composition_offset_entries); - - return; -} - - -static void -ngx_http_mp4_crop_ctts_data(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak, ngx_uint_t start) -{ - uint32_t count, start_sample, rest; - ngx_buf_t *data; - ngx_uint_t entries; - ngx_mp4_ctts_entry_t *entry, *end; - - /* sync samples starts from 1 */ - - if (start) { - start_sample = trak->start_sample + 1; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 ctts crop start_sample:%uD", start_sample); - - } else if (mp4->length) { - start_sample = trak->end_sample - trak->start_sample + 1; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 ctts crop end_sample:%uD", start_sample); - - } else { - return; - } - - data = trak->out[NGX_HTTP_MP4_CTTS_DATA].buf; - - entries = trak->composition_offset_entries; - entry = (ngx_mp4_ctts_entry_t *) data->pos; - end = (ngx_mp4_ctts_entry_t *) data->last; - - while (entry < end) { - count = ngx_mp4_get_32value(entry->count); - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "sample:%uD, count:%uD, offset:%uD", - start_sample, count, ngx_mp4_get_32value(entry->offset)); - - if (start_sample <= count) { - rest = start_sample - 1; - goto found; - } - - start_sample -= count; - entries--; - entry++; - } - - if (start) { - data->pos = (u_char *) end; - trak->composition_offset_entries = 0; - } - - return; - -found: - - if (start) { - ngx_mp4_set_32value(entry->count, count - rest); - data->pos = (u_char *) entry; - trak->composition_offset_entries = entries; - - } else { - ngx_mp4_set_32value(entry->count, rest); - data->last = (u_char *) (entry + 1); - trak->composition_offset_entries -= entries - 1; - } -} - - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char entries[4]; -} ngx_mp4_stsc_atom_t; - - -static ngx_int_t -ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header, *atom_table, *atom_end; - uint32_t entries; - ngx_buf_t *atom, *data; - ngx_mp4_stsc_atom_t *stsc_atom; - ngx_http_mp4_trak_t *trak; - - /* sample-to-chunk atom */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsc atom"); - - atom_header = ngx_mp4_atom_header(mp4); - stsc_atom = (ngx_mp4_stsc_atom_t *) atom_header; - ngx_mp4_set_atom_name(stsc_atom, 's', 't', 's', 'c'); - - if (ngx_mp4_atom_data_size(ngx_mp4_stsc_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 stsc atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - entries = ngx_mp4_get_32value(stsc_atom->entries); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "sample-to-chunk entries:%uD", entries); - - if (ngx_mp4_atom_data_size(ngx_mp4_stsc_atom_t) - + entries * sizeof(ngx_mp4_stsc_entry_t) > atom_data_size) - { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 stsc atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - atom_table = atom_header + sizeof(ngx_mp4_stsc_atom_t); - atom_end = atom_table + entries * sizeof(ngx_mp4_stsc_entry_t); - - trak = ngx_mp4_last_trak(mp4); - trak->sample_to_chunk_entries = entries; - - atom = &trak->stsc_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_table; - - data = &trak->stsc_data_buf; - data->temporary = 1; - data->pos = atom_table; - data->last = atom_end; - - trak->out[NGX_HTTP_MP4_STSC_ATOM].buf = atom; - trak->out[NGX_HTTP_MP4_STSC_DATA].buf = data; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak) -{ - size_t atom_size; - uint32_t chunk; - ngx_buf_t *atom, *data; - ngx_mp4_stsc_atom_t *stsc_atom; - ngx_mp4_stsc_entry_t *entry, *end; - - /* - * mdia.minf.stbl.stsc updating requires trak->start_sample - * from mdia.minf.stbl.stts which depends on value from mdia.mdhd - * atom which may reside after mdia.minf - */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 stsc atom update"); - - data = trak->out[NGX_HTTP_MP4_STSC_DATA].buf; - - if (data == NULL) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "no mp4 stsc atoms were found in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - if (trak->sample_to_chunk_entries == 0) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "zero number of entries in stsc atom in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - if (ngx_http_mp4_crop_stsc_data(mp4, trak, 1) != NGX_OK) { - return NGX_ERROR; - } - - if (ngx_http_mp4_crop_stsc_data(mp4, trak, 0) != NGX_OK) { - return NGX_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "sample-to-chunk entries:%uD", - trak->sample_to_chunk_entries); - - entry = (ngx_mp4_stsc_entry_t *) data->pos; - end = (ngx_mp4_stsc_entry_t *) data->last; - - while (entry < end) { - chunk = ngx_mp4_get_32value(entry->chunk); - chunk -= trak->start_chunk; - ngx_mp4_set_32value(entry->chunk, chunk); - entry++; - } - - atom_size = sizeof(ngx_mp4_stsc_atom_t) - + trak->sample_to_chunk_entries * sizeof(ngx_mp4_stsc_entry_t); - - trak->size += atom_size; - - atom = trak->out[NGX_HTTP_MP4_STSC_ATOM].buf; - stsc_atom = (ngx_mp4_stsc_atom_t *) atom->pos; - - ngx_mp4_set_32value(stsc_atom->size, atom_size); - ngx_mp4_set_32value(stsc_atom->entries, trak->sample_to_chunk_entries); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_crop_stsc_data(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak, ngx_uint_t start) -{ - uint32_t start_sample, chunk, samples, id, next_chunk, n, - prev_samples; - ngx_buf_t *data, *buf; - ngx_uint_t entries, target_chunk, chunk_samples; - ngx_mp4_stsc_entry_t *entry, *end, *first; - - entries = trak->sample_to_chunk_entries - 1; - - if (start) { - start_sample = (uint32_t) trak->start_sample; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 stsc crop start_sample:%uD", start_sample); - - } else if (mp4->length) { - start_sample = (uint32_t) (trak->end_sample - trak->start_sample); - samples = 0; - - data = trak->out[NGX_HTTP_MP4_STSC_START].buf; - - if (data) { - entry = (ngx_mp4_stsc_entry_t *) data->pos; - samples = ngx_mp4_get_32value(entry->samples); - entries--; - - if (samples > start_sample) { - samples = start_sample; - ngx_mp4_set_32value(entry->samples, samples); - } - - start_sample -= samples; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 stsc crop end_sample:%uD, ext_samples:%uD", - start_sample, samples); - - } else { - return NGX_OK; - } - - data = trak->out[NGX_HTTP_MP4_STSC_DATA].buf; - - entry = (ngx_mp4_stsc_entry_t *) data->pos; - end = (ngx_mp4_stsc_entry_t *) data->last; - - chunk = ngx_mp4_get_32value(entry->chunk); - samples = ngx_mp4_get_32value(entry->samples); - id = ngx_mp4_get_32value(entry->id); - prev_samples = 0; - entry++; - - while (entry < end) { - - next_chunk = ngx_mp4_get_32value(entry->chunk); - - ngx_log_debug5(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "sample:%uD, chunk:%uD, chunks:%uD, " - "samples:%uD, id:%uD", - start_sample, chunk, next_chunk - chunk, samples, id); - - n = (next_chunk - chunk) * samples; - - if (start_sample < n) { - goto found; - } - - start_sample -= n; - - prev_samples = samples; - chunk = next_chunk; - samples = ngx_mp4_get_32value(entry->samples); - id = ngx_mp4_get_32value(entry->id); - entries--; - entry++; - } - - next_chunk = trak->chunks + 1; - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "sample:%uD, chunk:%uD, chunks:%uD, samples:%uD", - start_sample, chunk, next_chunk - chunk, samples); - - n = (next_chunk - chunk) * samples; - - if (start_sample > n) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "%s time is out mp4 stsc chunks in \"%s\"", - start ? "start" : "end", mp4->file.name.data); - return NGX_ERROR; - } - -found: - - entries++; - entry--; - - if (samples == 0) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "zero number of samples in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - target_chunk = chunk - 1; - target_chunk += start_sample / samples; - chunk_samples = start_sample % samples; - - if (start) { - data->pos = (u_char *) entry; - - trak->sample_to_chunk_entries = entries; - trak->start_chunk = target_chunk; - trak->start_chunk_samples = chunk_samples; - - ngx_mp4_set_32value(entry->chunk, trak->start_chunk + 1); - - samples -= chunk_samples; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "start_chunk:%ui, start_chunk_samples:%ui", - trak->start_chunk, trak->start_chunk_samples); - - } else { - if (start_sample) { - data->last = (u_char *) (entry + 1); - trak->sample_to_chunk_entries -= entries - 1; - trak->end_chunk_samples = samples; - - } else { - data->last = (u_char *) entry; - trak->sample_to_chunk_entries -= entries; - trak->end_chunk_samples = prev_samples; - } - - if (chunk_samples) { - trak->end_chunk = target_chunk + 1; - trak->end_chunk_samples = chunk_samples; - - } else { - trak->end_chunk = target_chunk; - } - - samples = chunk_samples; - next_chunk = chunk + 1; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "end_chunk:%ui, end_chunk_samples:%ui", - trak->end_chunk, trak->end_chunk_samples); - } - - if (chunk_samples && next_chunk - target_chunk == 2) { - - ngx_mp4_set_32value(entry->samples, samples); - - } else if (chunk_samples && start) { - - first = &trak->stsc_start_chunk_entry; - ngx_mp4_set_32value(first->chunk, 1); - ngx_mp4_set_32value(first->samples, samples); - ngx_mp4_set_32value(first->id, id); - - buf = &trak->stsc_start_chunk_buf; - buf->temporary = 1; - buf->pos = (u_char *) first; - buf->last = (u_char *) first + sizeof(ngx_mp4_stsc_entry_t); - - trak->out[NGX_HTTP_MP4_STSC_START].buf = buf; - - ngx_mp4_set_32value(entry->chunk, trak->start_chunk + 2); - - trak->sample_to_chunk_entries++; - - } else if (chunk_samples) { - - first = &trak->stsc_end_chunk_entry; - ngx_mp4_set_32value(first->chunk, trak->end_chunk - trak->start_chunk); - ngx_mp4_set_32value(first->samples, samples); - ngx_mp4_set_32value(first->id, id); - - buf = &trak->stsc_end_chunk_buf; - buf->temporary = 1; - buf->pos = (u_char *) first; - buf->last = (u_char *) first + sizeof(ngx_mp4_stsc_entry_t); - - trak->out[NGX_HTTP_MP4_STSC_END].buf = buf; - - trak->sample_to_chunk_entries++; - } - - return NGX_OK; -} - - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char uniform_size[4]; - u_char entries[4]; -} ngx_mp4_stsz_atom_t; - - -static ngx_int_t -ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header, *atom_table, *atom_end; - size_t atom_size; - uint32_t entries, size; - ngx_buf_t *atom, *data; - ngx_mp4_stsz_atom_t *stsz_atom; - ngx_http_mp4_trak_t *trak; - - /* sample sizes atom */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsz atom"); - - atom_header = ngx_mp4_atom_header(mp4); - stsz_atom = (ngx_mp4_stsz_atom_t *) atom_header; - ngx_mp4_set_atom_name(stsz_atom, 's', 't', 's', 'z'); - - if (ngx_mp4_atom_data_size(ngx_mp4_stsz_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 stsz atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - size = ngx_mp4_get_32value(stsz_atom->uniform_size); - entries = ngx_mp4_get_32value(stsz_atom->entries); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "sample uniform size:%uD, entries:%uD", size, entries); - - trak = ngx_mp4_last_trak(mp4); - trak->sample_sizes_entries = entries; - - atom_table = atom_header + sizeof(ngx_mp4_stsz_atom_t); - - atom = &trak->stsz_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_table; - - trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf = atom; - - if (size == 0) { - if (ngx_mp4_atom_data_size(ngx_mp4_stsz_atom_t) - + entries * sizeof(uint32_t) > atom_data_size) - { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 stsz atom too small", - mp4->file.name.data); - return NGX_ERROR; - } - - atom_end = atom_table + entries * sizeof(uint32_t); - - data = &trak->stsz_data_buf; - data->temporary = 1; - data->pos = atom_table; - data->last = atom_end; - - trak->out[NGX_HTTP_MP4_STSZ_DATA].buf = data; - - } else { - /* if size != 0 then all samples are the same size */ - /* TODO : chunk samples */ - atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; - ngx_mp4_set_32value(atom_header, atom_size); - trak->size += atom_size; - } - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak) -{ - size_t atom_size; - uint32_t *pos, *end, entries; - ngx_buf_t *atom, *data; - ngx_mp4_stsz_atom_t *stsz_atom; - - /* - * mdia.minf.stbl.stsz updating requires trak->start_sample - * from mdia.minf.stbl.stts which depends on value from mdia.mdhd - * atom which may reside after mdia.minf - */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 stsz atom update"); - - data = trak->out[NGX_HTTP_MP4_STSZ_DATA].buf; - - if (data) { - entries = trak->sample_sizes_entries; - - if (trak->start_sample > entries) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "start time is out mp4 stsz samples in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - entries -= trak->start_sample; - data->pos += trak->start_sample * sizeof(uint32_t); - end = (uint32_t *) data->pos; - - for (pos = end - trak->start_chunk_samples; pos < end; pos++) { - trak->start_chunk_samples_size += ngx_mp4_get_32value(pos); - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "chunk samples sizes:%uL", - trak->start_chunk_samples_size); - - if (mp4->length) { - if (trak->end_sample - trak->start_sample > entries) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "end time is out mp4 stsz samples in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - entries = trak->end_sample - trak->start_sample; - data->last = data->pos + entries * sizeof(uint32_t); - end = (uint32_t *) data->last; - - for (pos = end - trak->end_chunk_samples; pos < end; pos++) { - trak->end_chunk_samples_size += ngx_mp4_get_32value(pos); - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 stsz end_chunk_samples_size:%uL", - trak->end_chunk_samples_size); - } - - atom_size = sizeof(ngx_mp4_stsz_atom_t) + (data->last - data->pos); - trak->size += atom_size; - - atom = trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf; - stsz_atom = (ngx_mp4_stsz_atom_t *) atom->pos; - - ngx_mp4_set_32value(stsz_atom->size, atom_size); - ngx_mp4_set_32value(stsz_atom->entries, entries); - } - - return NGX_OK; -} - - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char entries[4]; -} ngx_mp4_stco_atom_t; - - -static ngx_int_t -ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header, *atom_table, *atom_end; - uint32_t entries; - ngx_buf_t *atom, *data; - ngx_mp4_stco_atom_t *stco_atom; - ngx_http_mp4_trak_t *trak; - - /* chunk offsets atom */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stco atom"); - - atom_header = ngx_mp4_atom_header(mp4); - stco_atom = (ngx_mp4_stco_atom_t *) atom_header; - ngx_mp4_set_atom_name(stco_atom, 's', 't', 'c', 'o'); - - if (ngx_mp4_atom_data_size(ngx_mp4_stco_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 stco atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - entries = ngx_mp4_get_32value(stco_atom->entries); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); - - if (ngx_mp4_atom_data_size(ngx_mp4_stco_atom_t) - + entries * sizeof(uint32_t) > atom_data_size) - { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 stco atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - atom_table = atom_header + sizeof(ngx_mp4_stco_atom_t); - atom_end = atom_table + entries * sizeof(uint32_t); - - trak = ngx_mp4_last_trak(mp4); - trak->chunks = entries; - - atom = &trak->stco_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_table; - - data = &trak->stco_data_buf; - data->temporary = 1; - data->pos = atom_table; - data->last = atom_end; - - trak->out[NGX_HTTP_MP4_STCO_ATOM].buf = atom; - trak->out[NGX_HTTP_MP4_STCO_DATA].buf = data; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak) -{ - size_t atom_size; - uint32_t entries; - ngx_buf_t *atom, *data; - ngx_mp4_stco_atom_t *stco_atom; - - /* - * mdia.minf.stbl.stco updating requires trak->start_chunk - * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd - * atom which may reside after mdia.minf - */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 stco atom update"); - - data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; - - if (data == NULL) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "no mp4 stco atoms were found in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - if (trak->start_chunk > trak->chunks) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "start time is out mp4 stco chunks in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - data->pos += trak->start_chunk * sizeof(uint32_t); - - trak->start_offset = ngx_mp4_get_32value(data->pos); - trak->start_offset += trak->start_chunk_samples_size; - ngx_mp4_set_32value(data->pos, trak->start_offset); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "start chunk offset:%O", trak->start_offset); - - if (mp4->length) { - - if (trak->end_chunk > trak->chunks) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "end time is out mp4 stco chunks in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - entries = trak->end_chunk - trak->start_chunk; - data->last = data->pos + entries * sizeof(uint32_t); - - if (entries) { - trak->end_offset = - ngx_mp4_get_32value(data->last - sizeof(uint32_t)); - trak->end_offset += trak->end_chunk_samples_size; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "end chunk offset:%O", trak->end_offset); - } - - } else { - entries = trak->chunks - trak->start_chunk; - trak->end_offset = mp4->mdat_data.buf->file_last; - } - - if (entries == 0) { - trak->start_offset = mp4->end; - trak->end_offset = 0; - } - - atom_size = sizeof(ngx_mp4_stco_atom_t) + (data->last - data->pos); - trak->size += atom_size; - - atom = trak->out[NGX_HTTP_MP4_STCO_ATOM].buf; - stco_atom = (ngx_mp4_stco_atom_t *) atom->pos; - - ngx_mp4_set_32value(stco_atom->size, atom_size); - ngx_mp4_set_32value(stco_atom->entries, entries); - - return NGX_OK; -} - - -static void -ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak, int32_t adjustment) -{ - uint32_t offset, *entry, *end; - ngx_buf_t *data; - - /* - * moov.trak.mdia.minf.stbl.stco adjustment requires - * minimal start offset of all traks and new moov atom size - */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 stco atom adjustment"); - - data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; - entry = (uint32_t *) data->pos; - end = (uint32_t *) data->last; - - while (entry < end) { - offset = ngx_mp4_get_32value(entry); - offset += adjustment; - ngx_mp4_set_32value(entry, offset); - entry++; - } -} - - -typedef struct { - u_char size[4]; - u_char name[4]; - u_char version[1]; - u_char flags[3]; - u_char entries[4]; -} ngx_mp4_co64_atom_t; - - -static ngx_int_t -ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) -{ - u_char *atom_header, *atom_table, *atom_end; - uint32_t entries; - ngx_buf_t *atom, *data; - ngx_mp4_co64_atom_t *co64_atom; - ngx_http_mp4_trak_t *trak; - - /* chunk offsets atom */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 co64 atom"); - - atom_header = ngx_mp4_atom_header(mp4); - co64_atom = (ngx_mp4_co64_atom_t *) atom_header; - ngx_mp4_set_atom_name(co64_atom, 'c', 'o', '6', '4'); - - if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t) > atom_data_size) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 co64 atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - entries = ngx_mp4_get_32value(co64_atom->entries); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); - - if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t) - + entries * sizeof(uint64_t) > atom_data_size) - { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "\"%s\" mp4 co64 atom too small", mp4->file.name.data); - return NGX_ERROR; - } - - atom_table = atom_header + sizeof(ngx_mp4_co64_atom_t); - atom_end = atom_table + entries * sizeof(uint64_t); - - trak = ngx_mp4_last_trak(mp4); - trak->chunks = entries; - - atom = &trak->co64_atom_buf; - atom->temporary = 1; - atom->pos = atom_header; - atom->last = atom_table; - - data = &trak->co64_data_buf; - data->temporary = 1; - data->pos = atom_table; - data->last = atom_end; - - trak->out[NGX_HTTP_MP4_CO64_ATOM].buf = atom; - trak->out[NGX_HTTP_MP4_CO64_DATA].buf = data; - - ngx_mp4_atom_next(mp4, atom_data_size); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak) -{ - size_t atom_size; - uint64_t entries; - ngx_buf_t *atom, *data; - ngx_mp4_co64_atom_t *co64_atom; - - /* - * mdia.minf.stbl.co64 updating requires trak->start_chunk - * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd - * atom which may reside after mdia.minf - */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 co64 atom update"); - - data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; - - if (data == NULL) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "no mp4 co64 atoms were found in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - if (trak->start_chunk > trak->chunks) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "start time is out mp4 co64 chunks in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - data->pos += trak->start_chunk * sizeof(uint64_t); - - trak->start_offset = ngx_mp4_get_64value(data->pos); - trak->start_offset += trak->start_chunk_samples_size; - ngx_mp4_set_64value(data->pos, trak->start_offset); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "start chunk offset:%O", trak->start_offset); - - if (mp4->length) { - - if (trak->end_chunk > trak->chunks) { - ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, - "end time is out mp4 co64 chunks in \"%s\"", - mp4->file.name.data); - return NGX_ERROR; - } - - entries = trak->end_chunk - trak->start_chunk; - data->last = data->pos + entries * sizeof(uint64_t); - - if (entries) { - trak->end_offset = - ngx_mp4_get_64value(data->last - sizeof(uint64_t)); - trak->end_offset += trak->end_chunk_samples_size; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "end chunk offset:%O", trak->end_offset); - } - - } else { - entries = trak->chunks - trak->start_chunk; - trak->end_offset = mp4->mdat_data.buf->file_last; - } - - if (entries == 0) { - trak->start_offset = mp4->end; - trak->end_offset = 0; - } - - atom_size = sizeof(ngx_mp4_co64_atom_t) + (data->last - data->pos); - trak->size += atom_size; - - atom = trak->out[NGX_HTTP_MP4_CO64_ATOM].buf; - co64_atom = (ngx_mp4_co64_atom_t *) atom->pos; - - ngx_mp4_set_32value(co64_atom->size, atom_size); - ngx_mp4_set_32value(co64_atom->entries, entries); - - return NGX_OK; -} - - -static void -ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, - ngx_http_mp4_trak_t *trak, off_t adjustment) -{ - uint64_t offset, *entry, *end; - ngx_buf_t *data; - - /* - * moov.trak.mdia.minf.stbl.co64 adjustment requires - * minimal start offset of all traks and new moov atom size - */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, - "mp4 co64 atom adjustment"); - - data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; - entry = (uint64_t *) data->pos; - end = (uint64_t *) data->last; - - while (entry < end) { - offset = ngx_mp4_get_64value(entry); - offset += adjustment; - ngx_mp4_set_64value(entry, offset); - entry++; - } -} - - -static char * -ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf; - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - clcf->handler = ngx_http_mp4_handler; - - return NGX_CONF_OK; -} - - -static void * -ngx_http_mp4_create_conf(ngx_conf_t *cf) -{ - ngx_http_mp4_conf_t *conf; - - conf = ngx_palloc(cf->pool, sizeof(ngx_http_mp4_conf_t)); - if (conf == NULL) { - return NULL; - } - - conf->buffer_size = NGX_CONF_UNSET_SIZE; - conf->max_buffer_size = NGX_CONF_UNSET_SIZE; - - return conf; -} - - -static char * -ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_mp4_conf_t *prev = parent; - ngx_http_mp4_conf_t *conf = child; - - ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, 512 * 1024); - ngx_conf_merge_size_value(conf->max_buffer_size, prev->max_buffer_size, - 10 * 1024 * 1024); - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_not_modified_filter_module.c b/nginx/src/http/modules/ngx_http_not_modified_filter_module.c deleted file mode 100644 index 032ba96..0000000 --- a/nginx/src/http/modules/ngx_http_not_modified_filter_module.c +++ /dev/null @@ -1,266 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -static ngx_uint_t ngx_http_test_if_unmodified(ngx_http_request_t *r); -static ngx_uint_t ngx_http_test_if_modified(ngx_http_request_t *r); -static ngx_uint_t ngx_http_test_if_match(ngx_http_request_t *r, - ngx_table_elt_t *header, ngx_uint_t weak); -static ngx_int_t ngx_http_not_modified_filter_init(ngx_conf_t *cf); - - -static ngx_http_module_t ngx_http_not_modified_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_not_modified_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_not_modified_filter_module = { - NGX_MODULE_V1, - &ngx_http_not_modified_filter_module_ctx, /* module context */ - NULL, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; - - -static ngx_int_t -ngx_http_not_modified_header_filter(ngx_http_request_t *r) -{ - if (r->headers_out.status != NGX_HTTP_OK - || r != r->main - || r->disable_not_modified) - { - return ngx_http_next_header_filter(r); - } - - if (r->headers_in.if_unmodified_since - && !ngx_http_test_if_unmodified(r)) - { - return ngx_http_filter_finalize_request(r, NULL, - NGX_HTTP_PRECONDITION_FAILED); - } - - if (r->headers_in.if_match - && !ngx_http_test_if_match(r, r->headers_in.if_match, 0)) - { - return ngx_http_filter_finalize_request(r, NULL, - NGX_HTTP_PRECONDITION_FAILED); - } - - if (r->headers_in.if_modified_since || r->headers_in.if_none_match) { - - if (r->headers_in.if_modified_since - && ngx_http_test_if_modified(r)) - { - return ngx_http_next_header_filter(r); - } - - if (r->headers_in.if_none_match - && !ngx_http_test_if_match(r, r->headers_in.if_none_match, 1)) - { - return ngx_http_next_header_filter(r); - } - - /* not modified */ - - r->headers_out.status = NGX_HTTP_NOT_MODIFIED; - r->headers_out.status_line.len = 0; - r->headers_out.content_type.len = 0; - ngx_http_clear_content_length(r); - ngx_http_clear_accept_ranges(r); - - if (r->headers_out.content_encoding) { - r->headers_out.content_encoding->hash = 0; - r->headers_out.content_encoding = NULL; - } - - return ngx_http_next_header_filter(r); - } - - return ngx_http_next_header_filter(r); -} - - -static ngx_uint_t -ngx_http_test_if_unmodified(ngx_http_request_t *r) -{ - time_t iums; - - if (r->headers_out.last_modified_time == (time_t) -1) { - return 0; - } - - iums = ngx_parse_http_time(r->headers_in.if_unmodified_since->value.data, - r->headers_in.if_unmodified_since->value.len); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http iums:%T lm:%T", iums, r->headers_out.last_modified_time); - - if (iums >= r->headers_out.last_modified_time) { - return 1; - } - - return 0; -} - - -static ngx_uint_t -ngx_http_test_if_modified(ngx_http_request_t *r) -{ - time_t ims; - ngx_http_core_loc_conf_t *clcf; - - if (r->headers_out.last_modified_time == (time_t) -1) { - return 1; - } - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (clcf->if_modified_since == NGX_HTTP_IMS_OFF) { - return 1; - } - - ims = ngx_parse_http_time(r->headers_in.if_modified_since->value.data, - r->headers_in.if_modified_since->value.len); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http ims:%T lm:%T", ims, r->headers_out.last_modified_time); - - if (ims == r->headers_out.last_modified_time) { - return 0; - } - - if (clcf->if_modified_since == NGX_HTTP_IMS_EXACT - || ims < r->headers_out.last_modified_time) - { - return 1; - } - - return 0; -} - - -static ngx_uint_t -ngx_http_test_if_match(ngx_http_request_t *r, ngx_table_elt_t *header, - ngx_uint_t weak) -{ - u_char *start, *end, ch; - ngx_str_t etag, *list; - - list = &header->value; - - if (list->len == 1 && list->data[0] == '*') { - return 1; - } - - if (r->headers_out.etag == NULL) { - return 0; - } - - etag = r->headers_out.etag->value; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http im:\"%V\" etag:%V", list, &etag); - - if (weak - && etag.len > 2 - && etag.data[0] == 'W' - && etag.data[1] == '/') - { - etag.len -= 2; - etag.data += 2; - } - - start = list->data; - end = list->data + list->len; - - while (start < end) { - - if (weak - && end - start > 2 - && start[0] == 'W' - && start[1] == '/') - { - start += 2; - } - - if (etag.len > (size_t) (end - start)) { - return 0; - } - - if (ngx_strncmp(start, etag.data, etag.len) != 0) { - goto skip; - } - - start += etag.len; - - while (start < end) { - ch = *start; - - if (ch == ' ' || ch == '\t') { - start++; - continue; - } - - break; - } - - if (start == end || *start == ',') { - return 1; - } - - skip: - - while (start < end && *start != ',') { start++; } - while (start < end) { - ch = *start; - - if (ch == ' ' || ch == '\t' || ch == ',') { - start++; - continue; - } - - break; - } - } - - return 0; -} - - -static ngx_int_t -ngx_http_not_modified_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_not_modified_header_filter; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_proxy_module.c b/nginx/src/http/modules/ngx_http_proxy_module.c deleted file mode 100644 index e7f829d..0000000 --- a/nginx/src/http/modules/ngx_http_proxy_module.c +++ /dev/null @@ -1,4348 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_array_t caches; /* ngx_http_file_cache_t * */ -} ngx_http_proxy_main_conf_t; - - -typedef struct ngx_http_proxy_rewrite_s ngx_http_proxy_rewrite_t; - -typedef ngx_int_t (*ngx_http_proxy_rewrite_pt)(ngx_http_request_t *r, - ngx_table_elt_t *h, size_t prefix, size_t len, - ngx_http_proxy_rewrite_t *pr); - -struct ngx_http_proxy_rewrite_s { - ngx_http_proxy_rewrite_pt handler; - - union { - ngx_http_complex_value_t complex; -#if (NGX_PCRE) - ngx_http_regex_t *regex; -#endif - } pattern; - - ngx_http_complex_value_t replacement; -}; - - -typedef struct { - ngx_str_t key_start; - ngx_str_t schema; - ngx_str_t host_header; - ngx_str_t port; - ngx_str_t uri; -} ngx_http_proxy_vars_t; - - -typedef struct { - ngx_array_t *flushes; - ngx_array_t *lengths; - ngx_array_t *values; - ngx_hash_t hash; -} ngx_http_proxy_headers_t; - - -typedef struct { - ngx_http_upstream_conf_t upstream; - - ngx_array_t *body_flushes; - ngx_array_t *body_lengths; - ngx_array_t *body_values; - ngx_str_t body_source; - - ngx_http_proxy_headers_t headers; -#if (NGX_HTTP_CACHE) - ngx_http_proxy_headers_t headers_cache; -#endif - ngx_array_t *headers_source; - - ngx_array_t *proxy_lengths; - ngx_array_t *proxy_values; - - ngx_array_t *redirects; - ngx_array_t *cookie_domains; - ngx_array_t *cookie_paths; - - ngx_http_complex_value_t *method; - ngx_str_t location; - ngx_str_t url; - -#if (NGX_HTTP_CACHE) - ngx_http_complex_value_t cache_key; -#endif - - ngx_http_proxy_vars_t vars; - - ngx_flag_t redirect; - - ngx_uint_t http_version; - - ngx_uint_t headers_hash_max_size; - ngx_uint_t headers_hash_bucket_size; - -#if (NGX_HTTP_SSL) - ngx_uint_t ssl; - ngx_uint_t ssl_protocols; - ngx_str_t ssl_ciphers; - ngx_uint_t ssl_verify_depth; - ngx_str_t ssl_trusted_certificate; - ngx_str_t ssl_crl; - ngx_str_t ssl_certificate; - ngx_str_t ssl_certificate_key; - ngx_array_t *ssl_passwords; -#endif -} ngx_http_proxy_loc_conf_t; - - -typedef struct { - ngx_http_status_t status; - ngx_http_chunked_t chunked; - ngx_http_proxy_vars_t vars; - off_t internal_body_length; - - ngx_chain_t *free; - ngx_chain_t *busy; - - unsigned head:1; - unsigned internal_chunked:1; - unsigned header_sent:1; -} ngx_http_proxy_ctx_t; - - -static ngx_int_t ngx_http_proxy_eval(ngx_http_request_t *r, - ngx_http_proxy_ctx_t *ctx, ngx_http_proxy_loc_conf_t *plcf); -#if (NGX_HTTP_CACHE) -static ngx_int_t ngx_http_proxy_create_key(ngx_http_request_t *r); -#endif -static ngx_int_t ngx_http_proxy_create_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_proxy_reinit_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_proxy_body_output_filter(void *data, ngx_chain_t *in); -static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r); -static ngx_int_t ngx_http_proxy_process_header(ngx_http_request_t *r); -static ngx_int_t ngx_http_proxy_input_filter_init(void *data); -static ngx_int_t ngx_http_proxy_copy_filter(ngx_event_pipe_t *p, - ngx_buf_t *buf); -static ngx_int_t ngx_http_proxy_chunked_filter(ngx_event_pipe_t *p, - ngx_buf_t *buf); -static ngx_int_t ngx_http_proxy_non_buffered_copy_filter(void *data, - ssize_t bytes); -static ngx_int_t ngx_http_proxy_non_buffered_chunked_filter(void *data, - ssize_t bytes); -static void ngx_http_proxy_abort_request(ngx_http_request_t *r); -static void ngx_http_proxy_finalize_request(ngx_http_request_t *r, - ngx_int_t rc); - -static ngx_int_t ngx_http_proxy_host_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t - ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t - ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_proxy_internal_chunked_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, - ngx_table_elt_t *h, size_t prefix); -static ngx_int_t ngx_http_proxy_rewrite_cookie(ngx_http_request_t *r, - ngx_table_elt_t *h); -static ngx_int_t ngx_http_proxy_rewrite_cookie_value(ngx_http_request_t *r, - ngx_table_elt_t *h, u_char *value, ngx_array_t *rewrites); -static ngx_int_t ngx_http_proxy_rewrite(ngx_http_request_t *r, - ngx_table_elt_t *h, size_t prefix, size_t len, ngx_str_t *replacement); - -static ngx_int_t ngx_http_proxy_add_variables(ngx_conf_t *cf); -static void *ngx_http_proxy_create_main_conf(ngx_conf_t *cf); -static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_proxy_init_headers(ngx_conf_t *cf, - ngx_http_proxy_loc_conf_t *conf, ngx_http_proxy_headers_t *headers, - ngx_keyval_t *default_headers); - -static char *ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_proxy_cookie_domain(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_proxy_cookie_path(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -#if (NGX_HTTP_CACHE) -static char *ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -#endif -#if (NGX_HTTP_SSL) -static char *ngx_http_proxy_ssl_password_file(ngx_conf_t *cf, - ngx_command_t *cmd, void *conf); -#endif - -static char *ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data); - -static ngx_int_t ngx_http_proxy_rewrite_regex(ngx_conf_t *cf, - ngx_http_proxy_rewrite_t *pr, ngx_str_t *regex, ngx_uint_t caseless); - -#if (NGX_HTTP_SSL) -static ngx_int_t ngx_http_proxy_set_ssl(ngx_conf_t *cf, - ngx_http_proxy_loc_conf_t *plcf); -#endif -static void ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v); - - -static ngx_conf_post_t ngx_http_proxy_lowat_post = - { ngx_http_proxy_lowat_check }; - - -static ngx_conf_bitmask_t ngx_http_proxy_next_upstream_masks[] = { - { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, - { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, - { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, - { ngx_string("non_idempotent"), NGX_HTTP_UPSTREAM_FT_NON_IDEMPOTENT }, - { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, - { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 }, - { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, - { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 }, - { ngx_string("http_403"), NGX_HTTP_UPSTREAM_FT_HTTP_403 }, - { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, - { ngx_string("http_429"), NGX_HTTP_UPSTREAM_FT_HTTP_429 }, - { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING }, - { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, - { ngx_null_string, 0 } -}; - - -#if (NGX_HTTP_SSL) - -static ngx_conf_bitmask_t ngx_http_proxy_ssl_protocols[] = { - { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, - { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, - { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, - { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, - { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, - { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 }, - { ngx_null_string, 0 } -}; - -#endif - - -static ngx_conf_enum_t ngx_http_proxy_http_version[] = { - { ngx_string("1.0"), NGX_HTTP_VERSION_10 }, - { ngx_string("1.1"), NGX_HTTP_VERSION_11 }, - { ngx_null_string, 0 } -}; - - -ngx_module_t ngx_http_proxy_module; - - -static ngx_command_t ngx_http_proxy_commands[] = { - - { ngx_string("proxy_pass"), - NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, - ngx_http_proxy_pass, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("proxy_redirect"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_proxy_redirect, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("proxy_cookie_domain"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_proxy_cookie_domain, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("proxy_cookie_path"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_proxy_cookie_path, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("proxy_store"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_proxy_store, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("proxy_store_access"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, - ngx_conf_set_access_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.store_access), - NULL }, - - { ngx_string("proxy_buffering"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.buffering), - NULL }, - - { ngx_string("proxy_request_buffering"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.request_buffering), - NULL }, - - { ngx_string("proxy_ignore_client_abort"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_client_abort), - NULL }, - - { ngx_string("proxy_bind"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_upstream_bind_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.local), - NULL }, - - { ngx_string("proxy_connect_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.connect_timeout), - NULL }, - - { ngx_string("proxy_send_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.send_timeout), - NULL }, - - { ngx_string("proxy_send_lowat"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.send_lowat), - &ngx_http_proxy_lowat_post }, - - { ngx_string("proxy_intercept_errors"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.intercept_errors), - NULL }, - - { ngx_string("proxy_set_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_conf_set_keyval_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, headers_source), - NULL }, - - { ngx_string("proxy_headers_hash_max_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, headers_hash_max_size), - NULL }, - - { ngx_string("proxy_headers_hash_bucket_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, headers_hash_bucket_size), - NULL }, - - { ngx_string("proxy_set_body"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, body_source), - NULL }, - - { ngx_string("proxy_method"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_set_complex_value_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, method), - NULL }, - - { ngx_string("proxy_pass_request_headers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_headers), - NULL }, - - { ngx_string("proxy_pass_request_body"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_request_body), - NULL }, - - { ngx_string("proxy_buffer_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.buffer_size), - NULL }, - - { ngx_string("proxy_read_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.read_timeout), - NULL }, - - { ngx_string("proxy_buffers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_conf_set_bufs_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.bufs), - NULL }, - - { ngx_string("proxy_busy_buffers_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf), - NULL }, - - { ngx_string("proxy_force_ranges"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.force_ranges), - NULL }, - - { ngx_string("proxy_limit_rate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.limit_rate), - NULL }, - -#if (NGX_HTTP_CACHE) - - { ngx_string("proxy_cache"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_proxy_cache, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("proxy_cache_key"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_proxy_cache_key, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("proxy_cache_path"), - NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE, - ngx_http_file_cache_set_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_proxy_main_conf_t, caches), - &ngx_http_proxy_module }, - - { ngx_string("proxy_cache_bypass"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_set_predicate_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_bypass), - NULL }, - - { ngx_string("proxy_no_cache"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_set_predicate_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.no_cache), - NULL }, - - { ngx_string("proxy_cache_valid"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_file_cache_valid_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_valid), - NULL }, - - { ngx_string("proxy_cache_min_uses"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_min_uses), - NULL }, - - { ngx_string("proxy_cache_max_range_offset"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_off_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_max_range_offset), - NULL }, - - { ngx_string("proxy_cache_use_stale"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_use_stale), - &ngx_http_proxy_next_upstream_masks }, - - { ngx_string("proxy_cache_methods"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_methods), - &ngx_http_upstream_cache_method_mask }, - - { ngx_string("proxy_cache_lock"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_lock), - NULL }, - - { ngx_string("proxy_cache_lock_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_lock_timeout), - NULL }, - - { ngx_string("proxy_cache_lock_age"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_lock_age), - NULL }, - - { ngx_string("proxy_cache_revalidate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_revalidate), - NULL }, - - { ngx_string("proxy_cache_convert_head"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_convert_head), - NULL }, - - { ngx_string("proxy_cache_background_update"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.cache_background_update), - NULL }, - -#endif - - { ngx_string("proxy_temp_path"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, - ngx_conf_set_path_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_path), - NULL }, - - { ngx_string("proxy_max_temp_file_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.max_temp_file_size_conf), - NULL }, - - { ngx_string("proxy_temp_file_write_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.temp_file_write_size_conf), - NULL }, - - { ngx_string("proxy_next_upstream"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream), - &ngx_http_proxy_next_upstream_masks }, - - { ngx_string("proxy_next_upstream_tries"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream_tries), - NULL }, - - { ngx_string("proxy_next_upstream_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.next_upstream_timeout), - NULL }, - - { ngx_string("proxy_pass_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.pass_headers), - NULL }, - - { ngx_string("proxy_hide_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.hide_headers), - NULL }, - - { ngx_string("proxy_ignore_headers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.ignore_headers), - &ngx_http_upstream_ignore_headers_masks }, - - { ngx_string("proxy_http_version"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_enum_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, http_version), - &ngx_http_proxy_http_version }, - -#if (NGX_HTTP_SSL) - - { ngx_string("proxy_ssl_session_reuse"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_session_reuse), - NULL }, - - { ngx_string("proxy_ssl_protocols"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, ssl_protocols), - &ngx_http_proxy_ssl_protocols }, - - { ngx_string("proxy_ssl_ciphers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, ssl_ciphers), - NULL }, - - { ngx_string("proxy_ssl_name"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_set_complex_value_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_name), - NULL }, - - { ngx_string("proxy_ssl_server_name"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_server_name), - NULL }, - - { ngx_string("proxy_ssl_verify"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, upstream.ssl_verify), - NULL }, - - { ngx_string("proxy_ssl_verify_depth"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, ssl_verify_depth), - NULL }, - - { ngx_string("proxy_ssl_trusted_certificate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, ssl_trusted_certificate), - NULL }, - - { ngx_string("proxy_ssl_crl"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, ssl_crl), - NULL }, - - { ngx_string("proxy_ssl_certificate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, ssl_certificate), - NULL }, - - { ngx_string("proxy_ssl_certificate_key"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_proxy_loc_conf_t, ssl_certificate_key), - NULL }, - - { ngx_string("proxy_ssl_password_file"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_proxy_ssl_password_file, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - -#endif - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_proxy_module_ctx = { - ngx_http_proxy_add_variables, /* preconfiguration */ - NULL, /* postconfiguration */ - - ngx_http_proxy_create_main_conf, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_proxy_create_loc_conf, /* create location configuration */ - ngx_http_proxy_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_proxy_module = { - NGX_MODULE_V1, - &ngx_http_proxy_module_ctx, /* module context */ - ngx_http_proxy_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static char ngx_http_proxy_version[] = " HTTP/1.0" CRLF; -static char ngx_http_proxy_version_11[] = " HTTP/1.1" CRLF; - - -static ngx_keyval_t ngx_http_proxy_headers[] = { - { ngx_string("Host"), ngx_string("$proxy_host") }, - { ngx_string("Connection"), ngx_string("close") }, - { ngx_string("Content-Length"), ngx_string("$proxy_internal_body_length") }, - { ngx_string("Transfer-Encoding"), ngx_string("$proxy_internal_chunked") }, - { ngx_string("TE"), ngx_string("") }, - { ngx_string("Keep-Alive"), ngx_string("") }, - { ngx_string("Expect"), ngx_string("") }, - { ngx_string("Upgrade"), ngx_string("") }, - { ngx_null_string, ngx_null_string } -}; - - -static ngx_str_t ngx_http_proxy_hide_headers[] = { - ngx_string("Date"), - ngx_string("Server"), - ngx_string("X-Pad"), - ngx_string("X-Accel-Expires"), - ngx_string("X-Accel-Redirect"), - ngx_string("X-Accel-Limit-Rate"), - ngx_string("X-Accel-Buffering"), - ngx_string("X-Accel-Charset"), - ngx_null_string -}; - - -#if (NGX_HTTP_CACHE) - -static ngx_keyval_t ngx_http_proxy_cache_headers[] = { - { ngx_string("Host"), ngx_string("$proxy_host") }, - { ngx_string("Connection"), ngx_string("close") }, - { ngx_string("Content-Length"), ngx_string("$proxy_internal_body_length") }, - { ngx_string("Transfer-Encoding"), ngx_string("$proxy_internal_chunked") }, - { ngx_string("TE"), ngx_string("") }, - { ngx_string("Keep-Alive"), ngx_string("") }, - { ngx_string("Expect"), ngx_string("") }, - { ngx_string("Upgrade"), ngx_string("") }, - { ngx_string("If-Modified-Since"), - ngx_string("$upstream_cache_last_modified") }, - { ngx_string("If-Unmodified-Since"), ngx_string("") }, - { ngx_string("If-None-Match"), ngx_string("$upstream_cache_etag") }, - { ngx_string("If-Match"), ngx_string("") }, - { ngx_string("Range"), ngx_string("") }, - { ngx_string("If-Range"), ngx_string("") }, - { ngx_null_string, ngx_null_string } -}; - -#endif - - -static ngx_http_variable_t ngx_http_proxy_vars[] = { - - { ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0, - NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, - - { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0, - NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, - - { ngx_string("proxy_add_x_forwarded_for"), NULL, - ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 }, - -#if 0 - { ngx_string("proxy_add_via"), NULL, NULL, 0, NGX_HTTP_VAR_NOHASH, 0 }, -#endif - - { ngx_string("proxy_internal_body_length"), NULL, - ngx_http_proxy_internal_body_length_variable, 0, - NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, - - { ngx_string("proxy_internal_chunked"), NULL, - ngx_http_proxy_internal_chunked_variable, 0, - NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, - - ngx_http_null_variable -}; - - -static ngx_path_init_t ngx_http_proxy_temp_path = { - ngx_string(NGX_HTTP_PROXY_TEMP_PATH), { 1, 2, 0 } -}; - - -static ngx_int_t -ngx_http_proxy_handler(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_http_upstream_t *u; - ngx_http_proxy_ctx_t *ctx; - ngx_http_proxy_loc_conf_t *plcf; -#if (NGX_HTTP_CACHE) - ngx_http_proxy_main_conf_t *pmcf; -#endif - - if (ngx_http_upstream_create(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_ctx_t)); - if (ctx == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_proxy_module); - - plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); - - u = r->upstream; - - if (plcf->proxy_lengths == NULL) { - ctx->vars = plcf->vars; - u->schema = plcf->vars.schema; -#if (NGX_HTTP_SSL) - u->ssl = (plcf->upstream.ssl != NULL); -#endif - - } else { - if (ngx_http_proxy_eval(r, ctx, plcf) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - } - - u->output.tag = (ngx_buf_tag_t) &ngx_http_proxy_module; - - u->conf = &plcf->upstream; - -#if (NGX_HTTP_CACHE) - pmcf = ngx_http_get_module_main_conf(r, ngx_http_proxy_module); - - u->caches = &pmcf->caches; - u->create_key = ngx_http_proxy_create_key; -#endif - - u->create_request = ngx_http_proxy_create_request; - u->reinit_request = ngx_http_proxy_reinit_request; - u->process_header = ngx_http_proxy_process_status_line; - u->abort_request = ngx_http_proxy_abort_request; - u->finalize_request = ngx_http_proxy_finalize_request; - r->state = 0; - - if (plcf->redirects) { - u->rewrite_redirect = ngx_http_proxy_rewrite_redirect; - } - - if (plcf->cookie_domains || plcf->cookie_paths) { - u->rewrite_cookie = ngx_http_proxy_rewrite_cookie; - } - - u->buffering = plcf->upstream.buffering; - - u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); - if (u->pipe == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - u->pipe->input_filter = ngx_http_proxy_copy_filter; - u->pipe->input_ctx = r; - - u->input_filter_init = ngx_http_proxy_input_filter_init; - u->input_filter = ngx_http_proxy_non_buffered_copy_filter; - u->input_filter_ctx = r; - - u->accel = 1; - - if (!plcf->upstream.request_buffering - && plcf->body_values == NULL && plcf->upstream.pass_request_body - && (!r->headers_in.chunked - || plcf->http_version == NGX_HTTP_VERSION_11)) - { - r->request_body_no_buffering = 1; - } - - rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); - - if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { - return rc; - } - - return NGX_DONE; -} - - -static ngx_int_t -ngx_http_proxy_eval(ngx_http_request_t *r, ngx_http_proxy_ctx_t *ctx, - ngx_http_proxy_loc_conf_t *plcf) -{ - u_char *p; - size_t add; - u_short port; - ngx_str_t proxy; - ngx_url_t url; - ngx_http_upstream_t *u; - - if (ngx_http_script_run(r, &proxy, plcf->proxy_lengths->elts, 0, - plcf->proxy_values->elts) - == NULL) - { - return NGX_ERROR; - } - - if (proxy.len > 7 - && ngx_strncasecmp(proxy.data, (u_char *) "http://", 7) == 0) - { - add = 7; - port = 80; - -#if (NGX_HTTP_SSL) - - } else if (proxy.len > 8 - && ngx_strncasecmp(proxy.data, (u_char *) "https://", 8) == 0) - { - add = 8; - port = 443; - r->upstream->ssl = 1; - -#endif - - } else { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "invalid URL prefix in \"%V\"", &proxy); - return NGX_ERROR; - } - - u = r->upstream; - - u->schema.len = add; - u->schema.data = proxy.data; - - ngx_memzero(&url, sizeof(ngx_url_t)); - - url.url.len = proxy.len - add; - url.url.data = proxy.data + add; - url.default_port = port; - url.uri_part = 1; - url.no_resolve = 1; - - if (ngx_parse_url(r->pool, &url) != NGX_OK) { - if (url.err) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "%s in upstream \"%V\"", url.err, &url.url); - } - - return NGX_ERROR; - } - - if (url.uri.len) { - if (url.uri.data[0] == '?') { - p = ngx_pnalloc(r->pool, url.uri.len + 1); - if (p == NULL) { - return NGX_ERROR; - } - - *p++ = '/'; - ngx_memcpy(p, url.uri.data, url.uri.len); - - url.uri.len++; - url.uri.data = p - 1; - } - } - - ctx->vars.key_start = u->schema; - - ngx_http_proxy_set_vars(&url, &ctx->vars); - - u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); - if (u->resolved == NULL) { - return NGX_ERROR; - } - - if (url.addrs) { - u->resolved->sockaddr = url.addrs[0].sockaddr; - u->resolved->socklen = url.addrs[0].socklen; - u->resolved->name = url.addrs[0].name; - u->resolved->naddrs = 1; - } - - u->resolved->host = url.host; - u->resolved->port = (in_port_t) (url.no_port ? port : url.port); - u->resolved->no_port = url.no_port; - - return NGX_OK; -} - - -#if (NGX_HTTP_CACHE) - -static ngx_int_t -ngx_http_proxy_create_key(ngx_http_request_t *r) -{ - size_t len, loc_len; - u_char *p; - uintptr_t escape; - ngx_str_t *key; - ngx_http_upstream_t *u; - ngx_http_proxy_ctx_t *ctx; - ngx_http_proxy_loc_conf_t *plcf; - - u = r->upstream; - - plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); - - ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); - - key = ngx_array_push(&r->cache->keys); - if (key == NULL) { - return NGX_ERROR; - } - - if (plcf->cache_key.value.data) { - - if (ngx_http_complex_value(r, &plcf->cache_key, key) != NGX_OK) { - return NGX_ERROR; - } - - return NGX_OK; - } - - *key = ctx->vars.key_start; - - key = ngx_array_push(&r->cache->keys); - if (key == NULL) { - return NGX_ERROR; - } - - if (plcf->proxy_lengths && ctx->vars.uri.len) { - - *key = ctx->vars.uri; - u->uri = ctx->vars.uri; - - return NGX_OK; - - } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri) { - *key = r->unparsed_uri; - u->uri = r->unparsed_uri; - - return NGX_OK; - } - - loc_len = (r->valid_location && ctx->vars.uri.len) ? plcf->location.len : 0; - - if (r->quoted_uri || r->space_in_uri || r->internal) { - escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len, - r->uri.len - loc_len, NGX_ESCAPE_URI); - } else { - escape = 0; - } - - len = ctx->vars.uri.len + r->uri.len - loc_len + escape - + sizeof("?") - 1 + r->args.len; - - p = ngx_pnalloc(r->pool, len); - if (p == NULL) { - return NGX_ERROR; - } - - key->data = p; - - if (r->valid_location) { - p = ngx_copy(p, ctx->vars.uri.data, ctx->vars.uri.len); - } - - if (escape) { - ngx_escape_uri(p, r->uri.data + loc_len, - r->uri.len - loc_len, NGX_ESCAPE_URI); - p += r->uri.len - loc_len + escape; - - } else { - p = ngx_copy(p, r->uri.data + loc_len, r->uri.len - loc_len); - } - - if (r->args.len > 0) { - *p++ = '?'; - p = ngx_copy(p, r->args.data, r->args.len); - } - - key->len = p - key->data; - u->uri = *key; - - return NGX_OK; -} - -#endif - - -static ngx_int_t -ngx_http_proxy_create_request(ngx_http_request_t *r) -{ - size_t len, uri_len, loc_len, body_len, - key_len, val_len; - uintptr_t escape; - ngx_buf_t *b; - ngx_str_t method; - ngx_uint_t i, unparsed_uri; - ngx_chain_t *cl, *body; - ngx_list_part_t *part; - ngx_table_elt_t *header; - ngx_http_upstream_t *u; - ngx_http_proxy_ctx_t *ctx; - ngx_http_script_code_pt code; - ngx_http_proxy_headers_t *headers; - ngx_http_script_engine_t e, le; - ngx_http_proxy_loc_conf_t *plcf; - ngx_http_script_len_code_pt lcode; - - u = r->upstream; - - plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); - -#if (NGX_HTTP_CACHE) - headers = u->cacheable ? &plcf->headers_cache : &plcf->headers; -#else - headers = &plcf->headers; -#endif - - if (u->method.len) { - /* HEAD was changed to GET to cache response */ - method = u->method; - - } else if (plcf->method) { - if (ngx_http_complex_value(r, plcf->method, &method) != NGX_OK) { - return NGX_ERROR; - } - - } else { - method = r->method_name; - } - - ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); - - if (method.len == 4 - && ngx_strncasecmp(method.data, (u_char *) "HEAD", 4) == 0) - { - ctx->head = 1; - } - - len = method.len + 1 + sizeof(ngx_http_proxy_version) - 1 - + sizeof(CRLF) - 1; - - escape = 0; - loc_len = 0; - unparsed_uri = 0; - - if (plcf->proxy_lengths && ctx->vars.uri.len) { - uri_len = ctx->vars.uri.len; - - } else if (ctx->vars.uri.len == 0 && r->valid_unparsed_uri) { - unparsed_uri = 1; - uri_len = r->unparsed_uri.len; - - } else { - loc_len = (r->valid_location && ctx->vars.uri.len) ? - plcf->location.len : 0; - - if (r->quoted_uri || r->space_in_uri || r->internal) { - escape = 2 * ngx_escape_uri(NULL, r->uri.data + loc_len, - r->uri.len - loc_len, NGX_ESCAPE_URI); - } - - uri_len = ctx->vars.uri.len + r->uri.len - loc_len + escape - + sizeof("?") - 1 + r->args.len; - } - - if (uri_len == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "zero length URI to proxy"); - return NGX_ERROR; - } - - len += uri_len; - - ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); - - ngx_http_script_flush_no_cacheable_variables(r, plcf->body_flushes); - ngx_http_script_flush_no_cacheable_variables(r, headers->flushes); - - if (plcf->body_lengths) { - le.ip = plcf->body_lengths->elts; - le.request = r; - le.flushed = 1; - body_len = 0; - - while (*(uintptr_t *) le.ip) { - lcode = *(ngx_http_script_len_code_pt *) le.ip; - body_len += lcode(&le); - } - - ctx->internal_body_length = body_len; - len += body_len; - - } else if (r->headers_in.chunked && r->reading_body) { - ctx->internal_body_length = -1; - ctx->internal_chunked = 1; - - } else { - ctx->internal_body_length = r->headers_in.content_length_n; - } - - le.ip = headers->lengths->elts; - le.request = r; - le.flushed = 1; - - while (*(uintptr_t *) le.ip) { - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - key_len = lcode(&le); - - for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { - lcode = *(ngx_http_script_len_code_pt *) le.ip; - } - le.ip += sizeof(uintptr_t); - - if (val_len == 0) { - continue; - } - - len += key_len + sizeof(": ") - 1 + val_len + sizeof(CRLF) - 1; - } - - - if (plcf->upstream.pass_request_headers) { - part = &r->headers_in.headers.part; - header = part->elts; - - for (i = 0; /* void */; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - if (ngx_hash_find(&headers->hash, header[i].hash, - header[i].lowcase_key, header[i].key.len)) - { - continue; - } - - len += header[i].key.len + sizeof(": ") - 1 - + header[i].value.len + sizeof(CRLF) - 1; - } - } - - - b = ngx_create_temp_buf(r->pool, len); - if (b == NULL) { - return NGX_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - - - /* the request line */ - - b->last = ngx_copy(b->last, method.data, method.len); - *b->last++ = ' '; - - u->uri.data = b->last; - - if (plcf->proxy_lengths && ctx->vars.uri.len) { - b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len); - - } else if (unparsed_uri) { - b->last = ngx_copy(b->last, r->unparsed_uri.data, r->unparsed_uri.len); - - } else { - if (r->valid_location) { - b->last = ngx_copy(b->last, ctx->vars.uri.data, ctx->vars.uri.len); - } - - if (escape) { - ngx_escape_uri(b->last, r->uri.data + loc_len, - r->uri.len - loc_len, NGX_ESCAPE_URI); - b->last += r->uri.len - loc_len + escape; - - } else { - b->last = ngx_copy(b->last, r->uri.data + loc_len, - r->uri.len - loc_len); - } - - if (r->args.len > 0) { - *b->last++ = '?'; - b->last = ngx_copy(b->last, r->args.data, r->args.len); - } - } - - u->uri.len = b->last - u->uri.data; - - if (plcf->http_version == NGX_HTTP_VERSION_11) { - b->last = ngx_cpymem(b->last, ngx_http_proxy_version_11, - sizeof(ngx_http_proxy_version_11) - 1); - - } else { - b->last = ngx_cpymem(b->last, ngx_http_proxy_version, - sizeof(ngx_http_proxy_version) - 1); - } - - ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); - - e.ip = headers->values->elts; - e.pos = b->last; - e.request = r; - e.flushed = 1; - - le.ip = headers->lengths->elts; - - while (*(uintptr_t *) le.ip) { - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - (void) lcode(&le); - - for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { - lcode = *(ngx_http_script_len_code_pt *) le.ip; - } - le.ip += sizeof(uintptr_t); - - if (val_len == 0) { - e.skip = 1; - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - e.ip += sizeof(uintptr_t); - - e.skip = 0; - - continue; - } - - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - - *e.pos++ = ':'; *e.pos++ = ' '; - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - e.ip += sizeof(uintptr_t); - - *e.pos++ = CR; *e.pos++ = LF; - } - - b->last = e.pos; - - - if (plcf->upstream.pass_request_headers) { - part = &r->headers_in.headers.part; - header = part->elts; - - for (i = 0; /* void */; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - if (ngx_hash_find(&headers->hash, header[i].hash, - header[i].lowcase_key, header[i].key.len)) - { - continue; - } - - b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len); - - *b->last++ = ':'; *b->last++ = ' '; - - b->last = ngx_copy(b->last, header[i].value.data, - header[i].value.len); - - *b->last++ = CR; *b->last++ = LF; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http proxy header: \"%V: %V\"", - &header[i].key, &header[i].value); - } - } - - - /* add "\r\n" at the header end */ - *b->last++ = CR; *b->last++ = LF; - - if (plcf->body_values) { - e.ip = plcf->body_values->elts; - e.pos = b->last; - e.skip = 0; - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - - b->last = e.pos; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http proxy header:%N\"%*s\"", - (size_t) (b->last - b->pos), b->pos); - - if (r->request_body_no_buffering) { - - u->request_bufs = cl; - - if (ctx->internal_chunked) { - u->output.output_filter = ngx_http_proxy_body_output_filter; - u->output.filter_ctx = r; - } - - } else if (plcf->body_values == NULL && plcf->upstream.pass_request_body) { - - body = u->request_bufs; - u->request_bufs = cl; - - while (body) { - b = ngx_alloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); - - cl->next = ngx_alloc_chain_link(r->pool); - if (cl->next == NULL) { - return NGX_ERROR; - } - - cl = cl->next; - cl->buf = b; - - body = body->next; - } - - } else { - u->request_bufs = cl; - } - - b->flush = 1; - cl->next = NULL; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_proxy_reinit_request(ngx_http_request_t *r) -{ - ngx_http_proxy_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); - - if (ctx == NULL) { - return NGX_OK; - } - - ctx->status.code = 0; - ctx->status.count = 0; - ctx->status.start = NULL; - ctx->status.end = NULL; - ctx->chunked.state = 0; - - r->upstream->process_header = ngx_http_proxy_process_status_line; - r->upstream->pipe->input_filter = ngx_http_proxy_copy_filter; - r->upstream->input_filter = ngx_http_proxy_non_buffered_copy_filter; - r->state = 0; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_proxy_body_output_filter(void *data, ngx_chain_t *in) -{ - ngx_http_request_t *r = data; - - off_t size; - u_char *chunk; - ngx_int_t rc; - ngx_buf_t *b; - ngx_chain_t *out, *cl, *tl, **ll, **fl; - ngx_http_proxy_ctx_t *ctx; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "proxy output filter"); - - ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); - - if (in == NULL) { - out = in; - goto out; - } - - out = NULL; - ll = &out; - - if (!ctx->header_sent) { - /* first buffer contains headers, pass it unmodified */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "proxy output header"); - - ctx->header_sent = 1; - - tl = ngx_alloc_chain_link(r->pool); - if (tl == NULL) { - return NGX_ERROR; - } - - tl->buf = in->buf; - *ll = tl; - ll = &tl->next; - - in = in->next; - - if (in == NULL) { - tl->next = NULL; - goto out; - } - } - - size = 0; - cl = in; - fl = ll; - - for ( ;; ) { - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "proxy output chunk: %O", ngx_buf_size(cl->buf)); - - size += ngx_buf_size(cl->buf); - - if (cl->buf->flush - || cl->buf->sync - || ngx_buf_in_memory(cl->buf) - || cl->buf->in_file) - { - tl = ngx_alloc_chain_link(r->pool); - if (tl == NULL) { - return NGX_ERROR; - } - - tl->buf = cl->buf; - *ll = tl; - ll = &tl->next; - } - - if (cl->next == NULL) { - break; - } - - cl = cl->next; - } - - if (size) { - tl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (tl == NULL) { - return NGX_ERROR; - } - - b = tl->buf; - chunk = b->start; - - if (chunk == NULL) { - /* the "0000000000000000" is 64-bit hexadecimal string */ - - chunk = ngx_palloc(r->pool, sizeof("0000000000000000" CRLF) - 1); - if (chunk == NULL) { - return NGX_ERROR; - } - - b->start = chunk; - b->end = chunk + sizeof("0000000000000000" CRLF) - 1; - } - - b->tag = (ngx_buf_tag_t) &ngx_http_proxy_body_output_filter; - b->memory = 0; - b->temporary = 1; - b->pos = chunk; - b->last = ngx_sprintf(chunk, "%xO" CRLF, size); - - tl->next = *fl; - *fl = tl; - } - - if (cl->buf->last_buf) { - tl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (tl == NULL) { - return NGX_ERROR; - } - - b = tl->buf; - - b->tag = (ngx_buf_tag_t) &ngx_http_proxy_body_output_filter; - b->temporary = 0; - b->memory = 1; - b->last_buf = 1; - b->pos = (u_char *) CRLF "0" CRLF CRLF; - b->last = b->pos + 7; - - cl->buf->last_buf = 0; - - *ll = tl; - - if (size == 0) { - b->pos += 2; - } - - } else if (size > 0) { - tl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (tl == NULL) { - return NGX_ERROR; - } - - b = tl->buf; - - b->tag = (ngx_buf_tag_t) &ngx_http_proxy_body_output_filter; - b->temporary = 0; - b->memory = 1; - b->pos = (u_char *) CRLF; - b->last = b->pos + 2; - - *ll = tl; - - } else { - *ll = NULL; - } - -out: - - rc = ngx_chain_writer(&r->upstream->writer, out); - - ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &out, - (ngx_buf_tag_t) &ngx_http_proxy_body_output_filter); - - return rc; -} - - -static ngx_int_t -ngx_http_proxy_process_status_line(ngx_http_request_t *r) -{ - size_t len; - ngx_int_t rc; - ngx_http_upstream_t *u; - ngx_http_proxy_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); - - if (ctx == NULL) { - return NGX_ERROR; - } - - u = r->upstream; - - rc = ngx_http_parse_status_line(r, &u->buffer, &ctx->status); - - if (rc == NGX_AGAIN) { - return rc; - } - - if (rc == NGX_ERROR) { - -#if (NGX_HTTP_CACHE) - - if (r->cache) { - r->http_version = NGX_HTTP_VERSION_9; - return NGX_OK; - } - -#endif - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent no valid HTTP/1.0 header"); - -#if 0 - if (u->accel) { - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } -#endif - - r->http_version = NGX_HTTP_VERSION_9; - u->state->status = NGX_HTTP_OK; - u->headers_in.connection_close = 1; - - return NGX_OK; - } - - if (u->state && u->state->status == 0) { - u->state->status = ctx->status.code; - } - - u->headers_in.status_n = ctx->status.code; - - len = ctx->status.end - ctx->status.start; - u->headers_in.status_line.len = len; - - u->headers_in.status_line.data = ngx_pnalloc(r->pool, len); - if (u->headers_in.status_line.data == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(u->headers_in.status_line.data, ctx->status.start, len); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http proxy status %ui \"%V\"", - u->headers_in.status_n, &u->headers_in.status_line); - - if (ctx->status.http_version < NGX_HTTP_VERSION_11) { - u->headers_in.connection_close = 1; - } - - u->process_header = ngx_http_proxy_process_header; - - return ngx_http_proxy_process_header(r); -} - - -static ngx_int_t -ngx_http_proxy_process_header(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_table_elt_t *h; - ngx_http_upstream_t *u; - ngx_http_proxy_ctx_t *ctx; - ngx_http_upstream_header_t *hh; - ngx_http_upstream_main_conf_t *umcf; - - umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); - - for ( ;; ) { - - rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1); - - if (rc == NGX_OK) { - - /* a header line has been parsed successfully */ - - h = ngx_list_push(&r->upstream->headers_in.headers); - if (h == NULL) { - return NGX_ERROR; - } - - h->hash = r->header_hash; - - h->key.len = r->header_name_end - r->header_name_start; - h->value.len = r->header_end - r->header_start; - - h->key.data = ngx_pnalloc(r->pool, - h->key.len + 1 + h->value.len + 1 + h->key.len); - if (h->key.data == NULL) { - h->hash = 0; - return NGX_ERROR; - } - - h->value.data = h->key.data + h->key.len + 1; - h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; - - ngx_memcpy(h->key.data, r->header_name_start, h->key.len); - h->key.data[h->key.len] = '\0'; - ngx_memcpy(h->value.data, r->header_start, h->value.len); - h->value.data[h->value.len] = '\0'; - - if (h->key.len == r->lowcase_index) { - ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); - - } else { - ngx_strlow(h->lowcase_key, h->key.data, h->key.len); - } - - hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, - h->lowcase_key, h->key.len); - - if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { - return NGX_ERROR; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http proxy header: \"%V: %V\"", - &h->key, &h->value); - - continue; - } - - if (rc == NGX_HTTP_PARSE_HEADER_DONE) { - - /* a whole header has been parsed successfully */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http proxy header done"); - - /* - * if no "Server" and "Date" in header line, - * then add the special empty headers - */ - - if (r->upstream->headers_in.server == NULL) { - h = ngx_list_push(&r->upstream->headers_in.headers); - if (h == NULL) { - return NGX_ERROR; - } - - h->hash = ngx_hash(ngx_hash(ngx_hash(ngx_hash( - ngx_hash('s', 'e'), 'r'), 'v'), 'e'), 'r'); - - ngx_str_set(&h->key, "Server"); - ngx_str_null(&h->value); - h->lowcase_key = (u_char *) "server"; - } - - if (r->upstream->headers_in.date == NULL) { - h = ngx_list_push(&r->upstream->headers_in.headers); - if (h == NULL) { - return NGX_ERROR; - } - - h->hash = ngx_hash(ngx_hash(ngx_hash('d', 'a'), 't'), 'e'); - - ngx_str_set(&h->key, "Date"); - ngx_str_null(&h->value); - h->lowcase_key = (u_char *) "date"; - } - - /* clear content length if response is chunked */ - - u = r->upstream; - - if (u->headers_in.chunked) { - u->headers_in.content_length_n = -1; - } - - /* - * set u->keepalive if response has no body; this allows to keep - * connections alive in case of r->header_only or X-Accel-Redirect - */ - - ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); - - if (u->headers_in.status_n == NGX_HTTP_NO_CONTENT - || u->headers_in.status_n == NGX_HTTP_NOT_MODIFIED - || ctx->head - || (!u->headers_in.chunked - && u->headers_in.content_length_n == 0)) - { - u->keepalive = !u->headers_in.connection_close; - } - - if (u->headers_in.status_n == NGX_HTTP_SWITCHING_PROTOCOLS) { - u->keepalive = 0; - - if (r->headers_in.upgrade) { - u->upgrade = 1; - } - } - - return NGX_OK; - } - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - /* there was error while a header line parsing */ - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid header"); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } -} - - -static ngx_int_t -ngx_http_proxy_input_filter_init(void *data) -{ - ngx_http_request_t *r = data; - ngx_http_upstream_t *u; - ngx_http_proxy_ctx_t *ctx; - - u = r->upstream; - ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); - - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http proxy filter init s:%ui h:%d c:%d l:%O", - u->headers_in.status_n, ctx->head, u->headers_in.chunked, - u->headers_in.content_length_n); - - /* as per RFC2616, 4.4 Message Length */ - - if (u->headers_in.status_n == NGX_HTTP_NO_CONTENT - || u->headers_in.status_n == NGX_HTTP_NOT_MODIFIED - || ctx->head) - { - /* 1xx, 204, and 304 and replies to HEAD requests */ - /* no 1xx since we don't send Expect and Upgrade */ - - u->pipe->length = 0; - u->length = 0; - u->keepalive = !u->headers_in.connection_close; - - } else if (u->headers_in.chunked) { - /* chunked */ - - u->pipe->input_filter = ngx_http_proxy_chunked_filter; - u->pipe->length = 3; /* "0" LF LF */ - - u->input_filter = ngx_http_proxy_non_buffered_chunked_filter; - u->length = 1; - - } else if (u->headers_in.content_length_n == 0) { - /* empty body: special case as filter won't be called */ - - u->pipe->length = 0; - u->length = 0; - u->keepalive = !u->headers_in.connection_close; - - } else { - /* content length or connection close */ - - u->pipe->length = u->headers_in.content_length_n; - u->length = u->headers_in.content_length_n; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_proxy_copy_filter(ngx_event_pipe_t *p, ngx_buf_t *buf) -{ - ngx_buf_t *b; - ngx_chain_t *cl; - ngx_http_request_t *r; - - if (buf->pos == buf->last) { - return NGX_OK; - } - - cl = ngx_chain_get_free_buf(p->pool, &p->free); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - - ngx_memcpy(b, buf, sizeof(ngx_buf_t)); - b->shadow = buf; - b->tag = p->tag; - b->last_shadow = 1; - b->recycled = 1; - buf->shadow = b; - - ngx_log_debug1(NGX_LOG_DEBUG_EVENT, p->log, 0, "input buf #%d", b->num); - - if (p->in) { - *p->last_in = cl; - } else { - p->in = cl; - } - p->last_in = &cl->next; - - if (p->length == -1) { - return NGX_OK; - } - - p->length -= b->last - b->pos; - - if (p->length == 0) { - r = p->input_ctx; - p->upstream_done = 1; - r->upstream->keepalive = !r->upstream->headers_in.connection_close; - - } else if (p->length < 0) { - r = p->input_ctx; - p->upstream_done = 1; - - ngx_log_error(NGX_LOG_WARN, r->connection->log, 0, - "upstream sent more data than specified in " - "\"Content-Length\" header"); - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_proxy_chunked_filter(ngx_event_pipe_t *p, ngx_buf_t *buf) -{ - ngx_int_t rc; - ngx_buf_t *b, **prev; - ngx_chain_t *cl; - ngx_http_request_t *r; - ngx_http_proxy_ctx_t *ctx; - - if (buf->pos == buf->last) { - return NGX_OK; - } - - r = p->input_ctx; - ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); - - if (ctx == NULL) { - return NGX_ERROR; - } - - b = NULL; - prev = &buf->shadow; - - for ( ;; ) { - - rc = ngx_http_parse_chunked(r, buf, &ctx->chunked); - - if (rc == NGX_OK) { - - /* a chunk has been parsed successfully */ - - cl = ngx_chain_get_free_buf(p->pool, &p->free); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - - ngx_memzero(b, sizeof(ngx_buf_t)); - - b->pos = buf->pos; - b->start = buf->start; - b->end = buf->end; - b->tag = p->tag; - b->temporary = 1; - b->recycled = 1; - - *prev = b; - prev = &b->shadow; - - if (p->in) { - *p->last_in = cl; - } else { - p->in = cl; - } - p->last_in = &cl->next; - - /* STUB */ b->num = buf->num; - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, p->log, 0, - "input buf #%d %p", b->num, b->pos); - - if (buf->last - buf->pos >= ctx->chunked.size) { - - buf->pos += (size_t) ctx->chunked.size; - b->last = buf->pos; - ctx->chunked.size = 0; - - continue; - } - - ctx->chunked.size -= buf->last - buf->pos; - buf->pos = buf->last; - b->last = buf->last; - - continue; - } - - if (rc == NGX_DONE) { - - /* a whole response has been parsed successfully */ - - p->upstream_done = 1; - r->upstream->keepalive = !r->upstream->headers_in.connection_close; - - break; - } - - if (rc == NGX_AGAIN) { - - /* set p->length, minimal amount of data we want to see */ - - p->length = ctx->chunked.length; - - break; - } - - /* invalid response */ - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid chunked response"); - - return NGX_ERROR; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http proxy chunked state %ui, length %O", - ctx->chunked.state, p->length); - - if (b) { - b->shadow = buf; - b->last_shadow = 1; - - ngx_log_debug2(NGX_LOG_DEBUG_EVENT, p->log, 0, - "input buf %p %z", b->pos, b->last - b->pos); - - return NGX_OK; - } - - /* there is no data record in the buf, add it to free chain */ - - if (ngx_event_pipe_add_free_buf(p, buf) != NGX_OK) { - return NGX_ERROR; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_proxy_non_buffered_copy_filter(void *data, ssize_t bytes) -{ - ngx_http_request_t *r = data; - - ngx_buf_t *b; - ngx_chain_t *cl, **ll; - ngx_http_upstream_t *u; - - u = r->upstream; - - for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { - ll = &cl->next; - } - - cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); - if (cl == NULL) { - return NGX_ERROR; - } - - *ll = cl; - - cl->buf->flush = 1; - cl->buf->memory = 1; - - b = &u->buffer; - - cl->buf->pos = b->last; - b->last += bytes; - cl->buf->last = b->last; - cl->buf->tag = u->output.tag; - - if (u->length == -1) { - return NGX_OK; - } - - u->length -= bytes; - - if (u->length == 0) { - u->keepalive = !u->headers_in.connection_close; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_proxy_non_buffered_chunked_filter(void *data, ssize_t bytes) -{ - ngx_http_request_t *r = data; - - ngx_int_t rc; - ngx_buf_t *b, *buf; - ngx_chain_t *cl, **ll; - ngx_http_upstream_t *u; - ngx_http_proxy_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); - - if (ctx == NULL) { - return NGX_ERROR; - } - - u = r->upstream; - buf = &u->buffer; - - buf->pos = buf->last; - buf->last += bytes; - - for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { - ll = &cl->next; - } - - for ( ;; ) { - - rc = ngx_http_parse_chunked(r, buf, &ctx->chunked); - - if (rc == NGX_OK) { - - /* a chunk has been parsed successfully */ - - cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); - if (cl == NULL) { - return NGX_ERROR; - } - - *ll = cl; - ll = &cl->next; - - b = cl->buf; - - b->flush = 1; - b->memory = 1; - - b->pos = buf->pos; - b->tag = u->output.tag; - - if (buf->last - buf->pos >= ctx->chunked.size) { - buf->pos += (size_t) ctx->chunked.size; - b->last = buf->pos; - ctx->chunked.size = 0; - - } else { - ctx->chunked.size -= buf->last - buf->pos; - buf->pos = buf->last; - b->last = buf->last; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http proxy out buf %p %z", - b->pos, b->last - b->pos); - - continue; - } - - if (rc == NGX_DONE) { - - /* a whole response has been parsed successfully */ - - u->keepalive = !u->headers_in.connection_close; - u->length = 0; - - break; - } - - if (rc == NGX_AGAIN) { - break; - } - - /* invalid response */ - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid chunked response"); - - return NGX_ERROR; - } - - return NGX_OK; -} - - -static void -ngx_http_proxy_abort_request(ngx_http_request_t *r) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "abort http proxy request"); - - return; -} - - -static void -ngx_http_proxy_finalize_request(ngx_http_request_t *r, ngx_int_t rc) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "finalize http proxy request"); - - return; -} - - -static ngx_int_t -ngx_http_proxy_host_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_http_proxy_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); - - if (ctx == NULL) { - v->not_found = 1; - return NGX_OK; - } - - v->len = ctx->vars.host_header.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = ctx->vars.host_header.data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_proxy_port_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_http_proxy_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); - - if (ctx == NULL) { - v->not_found = 1; - return NGX_OK; - } - - v->len = ctx->vars.port.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = ctx->vars.port.data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_proxy_add_x_forwarded_for_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - size_t len; - u_char *p; - ngx_uint_t i, n; - ngx_table_elt_t **h; - - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - n = r->headers_in.x_forwarded_for.nelts; - h = r->headers_in.x_forwarded_for.elts; - - len = 0; - - for (i = 0; i < n; i++) { - len += h[i]->value.len + sizeof(", ") - 1; - } - - if (len == 0) { - v->len = r->connection->addr_text.len; - v->data = r->connection->addr_text.data; - return NGX_OK; - } - - len += r->connection->addr_text.len; - - p = ngx_pnalloc(r->pool, len); - if (p == NULL) { - return NGX_ERROR; - } - - v->len = len; - v->data = p; - - for (i = 0; i < n; i++) { - p = ngx_copy(p, h[i]->value.data, h[i]->value.len); - *p++ = ','; *p++ = ' '; - } - - ngx_memcpy(p, r->connection->addr_text.data, r->connection->addr_text.len); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_http_proxy_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); - - if (ctx == NULL || ctx->internal_body_length < 0) { - v->not_found = 1; - return NGX_OK; - } - - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - v->data = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); - - if (v->data == NULL) { - return NGX_ERROR; - } - - v->len = ngx_sprintf(v->data, "%O", ctx->internal_body_length) - v->data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_proxy_internal_chunked_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_http_proxy_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_proxy_module); - - if (ctx == NULL || !ctx->internal_chunked) { - v->not_found = 1; - return NGX_OK; - } - - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - v->data = (u_char *) "chunked"; - v->len = sizeof("chunked") - 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_proxy_rewrite_redirect(ngx_http_request_t *r, ngx_table_elt_t *h, - size_t prefix) -{ - size_t len; - ngx_int_t rc; - ngx_uint_t i; - ngx_http_proxy_rewrite_t *pr; - ngx_http_proxy_loc_conf_t *plcf; - - plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); - - pr = plcf->redirects->elts; - - if (pr == NULL) { - return NGX_DECLINED; - } - - len = h->value.len - prefix; - - for (i = 0; i < plcf->redirects->nelts; i++) { - rc = pr[i].handler(r, h, prefix, len, &pr[i]); - - if (rc != NGX_DECLINED) { - return rc; - } - } - - return NGX_DECLINED; -} - - -static ngx_int_t -ngx_http_proxy_rewrite_cookie(ngx_http_request_t *r, ngx_table_elt_t *h) -{ - size_t prefix; - u_char *p; - ngx_int_t rc, rv; - ngx_http_proxy_loc_conf_t *plcf; - - p = (u_char *) ngx_strchr(h->value.data, ';'); - if (p == NULL) { - return NGX_DECLINED; - } - - prefix = p + 1 - h->value.data; - - rv = NGX_DECLINED; - - plcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module); - - if (plcf->cookie_domains) { - p = ngx_strcasestrn(h->value.data + prefix, "domain=", 7 - 1); - - if (p) { - rc = ngx_http_proxy_rewrite_cookie_value(r, h, p + 7, - plcf->cookie_domains); - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - if (rc != NGX_DECLINED) { - rv = rc; - } - } - } - - if (plcf->cookie_paths) { - p = ngx_strcasestrn(h->value.data + prefix, "path=", 5 - 1); - - if (p) { - rc = ngx_http_proxy_rewrite_cookie_value(r, h, p + 5, - plcf->cookie_paths); - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - if (rc != NGX_DECLINED) { - rv = rc; - } - } - } - - return rv; -} - - -static ngx_int_t -ngx_http_proxy_rewrite_cookie_value(ngx_http_request_t *r, ngx_table_elt_t *h, - u_char *value, ngx_array_t *rewrites) -{ - size_t len, prefix; - u_char *p; - ngx_int_t rc; - ngx_uint_t i; - ngx_http_proxy_rewrite_t *pr; - - prefix = value - h->value.data; - - p = (u_char *) ngx_strchr(value, ';'); - - len = p ? (size_t) (p - value) : (h->value.len - prefix); - - pr = rewrites->elts; - - for (i = 0; i < rewrites->nelts; i++) { - rc = pr[i].handler(r, h, prefix, len, &pr[i]); - - if (rc != NGX_DECLINED) { - return rc; - } - } - - return NGX_DECLINED; -} - - -static ngx_int_t -ngx_http_proxy_rewrite_complex_handler(ngx_http_request_t *r, - ngx_table_elt_t *h, size_t prefix, size_t len, ngx_http_proxy_rewrite_t *pr) -{ - ngx_str_t pattern, replacement; - - if (ngx_http_complex_value(r, &pr->pattern.complex, &pattern) != NGX_OK) { - return NGX_ERROR; - } - - if (pattern.len > len - || ngx_rstrncmp(h->value.data + prefix, pattern.data, - pattern.len) != 0) - { - return NGX_DECLINED; - } - - if (ngx_http_complex_value(r, &pr->replacement, &replacement) != NGX_OK) { - return NGX_ERROR; - } - - return ngx_http_proxy_rewrite(r, h, prefix, pattern.len, &replacement); -} - - -#if (NGX_PCRE) - -static ngx_int_t -ngx_http_proxy_rewrite_regex_handler(ngx_http_request_t *r, ngx_table_elt_t *h, - size_t prefix, size_t len, ngx_http_proxy_rewrite_t *pr) -{ - ngx_str_t pattern, replacement; - - pattern.len = len; - pattern.data = h->value.data + prefix; - - if (ngx_http_regex_exec(r, pr->pattern.regex, &pattern) != NGX_OK) { - return NGX_DECLINED; - } - - if (ngx_http_complex_value(r, &pr->replacement, &replacement) != NGX_OK) { - return NGX_ERROR; - } - - if (prefix == 0 && h->value.len == len) { - h->value = replacement; - return NGX_OK; - } - - return ngx_http_proxy_rewrite(r, h, prefix, len, &replacement); -} - -#endif - - -static ngx_int_t -ngx_http_proxy_rewrite_domain_handler(ngx_http_request_t *r, - ngx_table_elt_t *h, size_t prefix, size_t len, ngx_http_proxy_rewrite_t *pr) -{ - u_char *p; - ngx_str_t pattern, replacement; - - if (ngx_http_complex_value(r, &pr->pattern.complex, &pattern) != NGX_OK) { - return NGX_ERROR; - } - - p = h->value.data + prefix; - - if (p[0] == '.') { - p++; - prefix++; - len--; - } - - if (pattern.len != len || ngx_rstrncasecmp(pattern.data, p, len) != 0) { - return NGX_DECLINED; - } - - if (ngx_http_complex_value(r, &pr->replacement, &replacement) != NGX_OK) { - return NGX_ERROR; - } - - return ngx_http_proxy_rewrite(r, h, prefix, len, &replacement); -} - - -static ngx_int_t -ngx_http_proxy_rewrite(ngx_http_request_t *r, ngx_table_elt_t *h, size_t prefix, - size_t len, ngx_str_t *replacement) -{ - u_char *p, *data; - size_t new_len; - - new_len = replacement->len + h->value.len - len; - - if (replacement->len > len) { - - data = ngx_pnalloc(r->pool, new_len + 1); - if (data == NULL) { - return NGX_ERROR; - } - - p = ngx_copy(data, h->value.data, prefix); - p = ngx_copy(p, replacement->data, replacement->len); - - ngx_memcpy(p, h->value.data + prefix + len, - h->value.len - len - prefix + 1); - - h->value.data = data; - - } else { - p = ngx_copy(h->value.data + prefix, replacement->data, - replacement->len); - - ngx_memmove(p, h->value.data + prefix + len, - h->value.len - len - prefix + 1); - } - - h->value.len = new_len; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_proxy_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var, *v; - - for (v = ngx_http_proxy_vars; v->name.len; v++) { - var = ngx_http_add_variable(cf, &v->name, v->flags); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = v->get_handler; - var->data = v->data; - } - - return NGX_OK; -} - - -static void * -ngx_http_proxy_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_proxy_main_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_main_conf_t)); - if (conf == NULL) { - return NULL; - } - -#if (NGX_HTTP_CACHE) - if (ngx_array_init(&conf->caches, cf->pool, 4, - sizeof(ngx_http_file_cache_t *)) - != NGX_OK) - { - return NULL; - } -#endif - - return conf; -} - - -static void * -ngx_http_proxy_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_proxy_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->upstream.bufs.num = 0; - * conf->upstream.ignore_headers = 0; - * conf->upstream.next_upstream = 0; - * conf->upstream.cache_zone = NULL; - * conf->upstream.cache_use_stale = 0; - * conf->upstream.cache_methods = 0; - * conf->upstream.temp_path = NULL; - * conf->upstream.hide_headers_hash = { NULL, 0 }; - * conf->upstream.store_lengths = NULL; - * conf->upstream.store_values = NULL; - * conf->upstream.ssl_name = NULL; - * - * conf->method = NULL; - * conf->location = NULL; - * conf->url = { 0, NULL }; - * conf->headers_source = NULL; - * conf->headers.lengths = NULL; - * conf->headers.values = NULL; - * conf->headers.hash = { NULL, 0 }; - * conf->headers_cache.lengths = NULL; - * conf->headers_cache.values = NULL; - * conf->headers_cache.hash = { NULL, 0 }; - * conf->body_lengths = NULL; - * conf->body_values = NULL; - * conf->body_source = { 0, NULL }; - * conf->redirects = NULL; - * conf->ssl = 0; - * conf->ssl_protocols = 0; - * conf->ssl_ciphers = { 0, NULL }; - * conf->ssl_trusted_certificate = { 0, NULL }; - * conf->ssl_crl = { 0, NULL }; - * conf->ssl_certificate = { 0, NULL }; - * conf->ssl_certificate_key = { 0, NULL }; - */ - - conf->upstream.store = NGX_CONF_UNSET; - conf->upstream.store_access = NGX_CONF_UNSET_UINT; - conf->upstream.next_upstream_tries = NGX_CONF_UNSET_UINT; - conf->upstream.buffering = NGX_CONF_UNSET; - conf->upstream.request_buffering = NGX_CONF_UNSET; - conf->upstream.ignore_client_abort = NGX_CONF_UNSET; - conf->upstream.force_ranges = NGX_CONF_UNSET; - - conf->upstream.local = NGX_CONF_UNSET_PTR; - - conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.next_upstream_timeout = NGX_CONF_UNSET_MSEC; - - conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; - conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; - conf->upstream.limit_rate = NGX_CONF_UNSET_SIZE; - - conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; - conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; - conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; - - conf->upstream.pass_request_headers = NGX_CONF_UNSET; - conf->upstream.pass_request_body = NGX_CONF_UNSET; - -#if (NGX_HTTP_CACHE) - conf->upstream.cache = NGX_CONF_UNSET; - conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT; - conf->upstream.cache_max_range_offset = NGX_CONF_UNSET; - conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR; - conf->upstream.no_cache = NGX_CONF_UNSET_PTR; - conf->upstream.cache_valid = NGX_CONF_UNSET_PTR; - conf->upstream.cache_lock = NGX_CONF_UNSET; - conf->upstream.cache_lock_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.cache_lock_age = NGX_CONF_UNSET_MSEC; - conf->upstream.cache_revalidate = NGX_CONF_UNSET; - conf->upstream.cache_convert_head = NGX_CONF_UNSET; - conf->upstream.cache_background_update = NGX_CONF_UNSET; -#endif - - conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; - conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; - - conf->upstream.intercept_errors = NGX_CONF_UNSET; - -#if (NGX_HTTP_SSL) - conf->upstream.ssl_session_reuse = NGX_CONF_UNSET; - conf->upstream.ssl_server_name = NGX_CONF_UNSET; - conf->upstream.ssl_verify = NGX_CONF_UNSET; - conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; - conf->ssl_passwords = NGX_CONF_UNSET_PTR; -#endif - - /* "proxy_cyclic_temp_file" is disabled */ - conf->upstream.cyclic_temp_file = 0; - - conf->redirect = NGX_CONF_UNSET; - conf->upstream.change_buffering = 1; - - conf->cookie_domains = NGX_CONF_UNSET_PTR; - conf->cookie_paths = NGX_CONF_UNSET_PTR; - - conf->http_version = NGX_CONF_UNSET_UINT; - - conf->headers_hash_max_size = NGX_CONF_UNSET_UINT; - conf->headers_hash_bucket_size = NGX_CONF_UNSET_UINT; - - ngx_str_set(&conf->upstream.module, "proxy"); - - return conf; -} - - -static char * -ngx_http_proxy_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_proxy_loc_conf_t *prev = parent; - ngx_http_proxy_loc_conf_t *conf = child; - - u_char *p; - size_t size; - ngx_int_t rc; - ngx_hash_init_t hash; - ngx_http_core_loc_conf_t *clcf; - ngx_http_proxy_rewrite_t *pr; - ngx_http_script_compile_t sc; - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.store > 0) { - conf->upstream.cache = 0; - } - - if (conf->upstream.cache > 0) { - conf->upstream.store = 0; - } - -#endif - - if (conf->upstream.store == NGX_CONF_UNSET) { - ngx_conf_merge_value(conf->upstream.store, - prev->upstream.store, 0); - - conf->upstream.store_lengths = prev->upstream.store_lengths; - conf->upstream.store_values = prev->upstream.store_values; - } - - ngx_conf_merge_uint_value(conf->upstream.store_access, - prev->upstream.store_access, 0600); - - ngx_conf_merge_uint_value(conf->upstream.next_upstream_tries, - prev->upstream.next_upstream_tries, 0); - - ngx_conf_merge_value(conf->upstream.buffering, - prev->upstream.buffering, 1); - - ngx_conf_merge_value(conf->upstream.request_buffering, - prev->upstream.request_buffering, 1); - - ngx_conf_merge_value(conf->upstream.ignore_client_abort, - prev->upstream.ignore_client_abort, 0); - - ngx_conf_merge_value(conf->upstream.force_ranges, - prev->upstream.force_ranges, 0); - - ngx_conf_merge_ptr_value(conf->upstream.local, - prev->upstream.local, NULL); - - ngx_conf_merge_msec_value(conf->upstream.connect_timeout, - prev->upstream.connect_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.send_timeout, - prev->upstream.send_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.read_timeout, - prev->upstream.read_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.next_upstream_timeout, - prev->upstream.next_upstream_timeout, 0); - - ngx_conf_merge_size_value(conf->upstream.send_lowat, - prev->upstream.send_lowat, 0); - - ngx_conf_merge_size_value(conf->upstream.buffer_size, - prev->upstream.buffer_size, - (size_t) ngx_pagesize); - - ngx_conf_merge_size_value(conf->upstream.limit_rate, - prev->upstream.limit_rate, 0); - - ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, - 8, ngx_pagesize); - - if (conf->upstream.bufs.num < 2) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "there must be at least 2 \"proxy_buffers\""); - return NGX_CONF_ERROR; - } - - - size = conf->upstream.buffer_size; - if (size < conf->upstream.bufs.size) { - size = conf->upstream.bufs.size; - } - - - ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, - prev->upstream.busy_buffers_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.busy_buffers_size = 2 * size; - } else { - conf->upstream.busy_buffers_size = - conf->upstream.busy_buffers_size_conf; - } - - if (conf->upstream.busy_buffers_size < size) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"proxy_busy_buffers_size\" must be equal to or greater than " - "the maximum of the value of \"proxy_buffer_size\" and " - "one of the \"proxy_buffers\""); - - return NGX_CONF_ERROR; - } - - if (conf->upstream.busy_buffers_size - > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"proxy_busy_buffers_size\" must be less than " - "the size of all \"proxy_buffers\" minus one buffer"); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, - prev->upstream.temp_file_write_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.temp_file_write_size = 2 * size; - } else { - conf->upstream.temp_file_write_size = - conf->upstream.temp_file_write_size_conf; - } - - if (conf->upstream.temp_file_write_size < size) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"proxy_temp_file_write_size\" must be equal to or greater " - "than the maximum of the value of \"proxy_buffer_size\" and " - "one of the \"proxy_buffers\""); - - return NGX_CONF_ERROR; - } - - ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, - prev->upstream.max_temp_file_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; - } else { - conf->upstream.max_temp_file_size = - conf->upstream.max_temp_file_size_conf; - } - - if (conf->upstream.max_temp_file_size != 0 - && conf->upstream.max_temp_file_size < size) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"proxy_max_temp_file_size\" must be equal to zero to disable " - "temporary files usage or must be equal to or greater than " - "the maximum of the value of \"proxy_buffer_size\" and " - "one of the \"proxy_buffers\""); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, - prev->upstream.ignore_headers, - NGX_CONF_BITMASK_SET); - - - ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, - prev->upstream.next_upstream, - (NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_ERROR - |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); - - if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { - conf->upstream.next_upstream = NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF; - } - - if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path, - prev->upstream.temp_path, - &ngx_http_proxy_temp_path) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.cache == NGX_CONF_UNSET) { - ngx_conf_merge_value(conf->upstream.cache, - prev->upstream.cache, 0); - - conf->upstream.cache_zone = prev->upstream.cache_zone; - conf->upstream.cache_value = prev->upstream.cache_value; - } - - if (conf->upstream.cache_zone && conf->upstream.cache_zone->data == NULL) { - ngx_shm_zone_t *shm_zone; - - shm_zone = conf->upstream.cache_zone; - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"proxy_cache\" zone \"%V\" is unknown", - &shm_zone->shm.name); - - return NGX_CONF_ERROR; - } - - ngx_conf_merge_uint_value(conf->upstream.cache_min_uses, - prev->upstream.cache_min_uses, 1); - - ngx_conf_merge_off_value(conf->upstream.cache_max_range_offset, - prev->upstream.cache_max_range_offset, - NGX_MAX_OFF_T_VALUE); - - ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale, - prev->upstream.cache_use_stale, - (NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF)); - - if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) { - conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF; - } - - if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_ERROR) { - conf->upstream.cache_use_stale |= NGX_HTTP_UPSTREAM_FT_NOLIVE; - } - - if (conf->upstream.cache_methods == 0) { - conf->upstream.cache_methods = prev->upstream.cache_methods; - } - - conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD; - - ngx_conf_merge_ptr_value(conf->upstream.cache_bypass, - prev->upstream.cache_bypass, NULL); - - ngx_conf_merge_ptr_value(conf->upstream.no_cache, - prev->upstream.no_cache, NULL); - - ngx_conf_merge_ptr_value(conf->upstream.cache_valid, - prev->upstream.cache_valid, NULL); - - if (conf->cache_key.value.data == NULL) { - conf->cache_key = prev->cache_key; - } - - ngx_conf_merge_value(conf->upstream.cache_lock, - prev->upstream.cache_lock, 0); - - ngx_conf_merge_msec_value(conf->upstream.cache_lock_timeout, - prev->upstream.cache_lock_timeout, 5000); - - ngx_conf_merge_msec_value(conf->upstream.cache_lock_age, - prev->upstream.cache_lock_age, 5000); - - ngx_conf_merge_value(conf->upstream.cache_revalidate, - prev->upstream.cache_revalidate, 0); - - ngx_conf_merge_value(conf->upstream.cache_convert_head, - prev->upstream.cache_convert_head, 1); - - ngx_conf_merge_value(conf->upstream.cache_background_update, - prev->upstream.cache_background_update, 0); - -#endif - - if (conf->method == NULL) { - conf->method = prev->method; - } - - ngx_conf_merge_value(conf->upstream.pass_request_headers, - prev->upstream.pass_request_headers, 1); - ngx_conf_merge_value(conf->upstream.pass_request_body, - prev->upstream.pass_request_body, 1); - - ngx_conf_merge_value(conf->upstream.intercept_errors, - prev->upstream.intercept_errors, 0); - -#if (NGX_HTTP_SSL) - - ngx_conf_merge_value(conf->upstream.ssl_session_reuse, - prev->upstream.ssl_session_reuse, 1); - - ngx_conf_merge_bitmask_value(conf->ssl_protocols, prev->ssl_protocols, - (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 - |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); - - ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, - "DEFAULT"); - - if (conf->upstream.ssl_name == NULL) { - conf->upstream.ssl_name = prev->upstream.ssl_name; - } - - ngx_conf_merge_value(conf->upstream.ssl_server_name, - prev->upstream.ssl_server_name, 0); - ngx_conf_merge_value(conf->upstream.ssl_verify, - prev->upstream.ssl_verify, 0); - ngx_conf_merge_uint_value(conf->ssl_verify_depth, - prev->ssl_verify_depth, 1); - ngx_conf_merge_str_value(conf->ssl_trusted_certificate, - prev->ssl_trusted_certificate, ""); - ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); - - ngx_conf_merge_str_value(conf->ssl_certificate, - prev->ssl_certificate, ""); - ngx_conf_merge_str_value(conf->ssl_certificate_key, - prev->ssl_certificate_key, ""); - ngx_conf_merge_ptr_value(conf->ssl_passwords, prev->ssl_passwords, NULL); - - if (conf->ssl && ngx_http_proxy_set_ssl(cf, conf) != NGX_OK) { - return NGX_CONF_ERROR; - } - -#endif - - ngx_conf_merge_value(conf->redirect, prev->redirect, 1); - - if (conf->redirect) { - - if (conf->redirects == NULL) { - conf->redirects = prev->redirects; - } - - if (conf->redirects == NULL && conf->url.data) { - - conf->redirects = ngx_array_create(cf->pool, 1, - sizeof(ngx_http_proxy_rewrite_t)); - if (conf->redirects == NULL) { - return NGX_CONF_ERROR; - } - - pr = ngx_array_push(conf->redirects); - if (pr == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(&pr->pattern.complex, - sizeof(ngx_http_complex_value_t)); - - ngx_memzero(&pr->replacement, sizeof(ngx_http_complex_value_t)); - - pr->handler = ngx_http_proxy_rewrite_complex_handler; - - if (conf->vars.uri.len) { - pr->pattern.complex.value = conf->url; - pr->replacement.value = conf->location; - - } else { - pr->pattern.complex.value.len = conf->url.len - + sizeof("/") - 1; - - p = ngx_pnalloc(cf->pool, pr->pattern.complex.value.len); - if (p == NULL) { - return NGX_CONF_ERROR; - } - - pr->pattern.complex.value.data = p; - - p = ngx_cpymem(p, conf->url.data, conf->url.len); - *p = '/'; - - ngx_str_set(&pr->replacement.value, "/"); - } - } - } - - ngx_conf_merge_ptr_value(conf->cookie_domains, prev->cookie_domains, NULL); - - ngx_conf_merge_ptr_value(conf->cookie_paths, prev->cookie_paths, NULL); - - ngx_conf_merge_uint_value(conf->http_version, prev->http_version, - NGX_HTTP_VERSION_10); - - ngx_conf_merge_uint_value(conf->headers_hash_max_size, - prev->headers_hash_max_size, 512); - - ngx_conf_merge_uint_value(conf->headers_hash_bucket_size, - prev->headers_hash_bucket_size, 64); - - conf->headers_hash_bucket_size = ngx_align(conf->headers_hash_bucket_size, - ngx_cacheline_size); - - hash.max_size = conf->headers_hash_max_size; - hash.bucket_size = conf->headers_hash_bucket_size; - hash.name = "proxy_headers_hash"; - - if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, - &prev->upstream, ngx_http_proxy_hide_headers, &hash) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - - if (clcf->noname - && conf->upstream.upstream == NULL && conf->proxy_lengths == NULL) - { - conf->upstream.upstream = prev->upstream.upstream; - conf->location = prev->location; - conf->vars = prev->vars; - - conf->proxy_lengths = prev->proxy_lengths; - conf->proxy_values = prev->proxy_values; - -#if (NGX_HTTP_SSL) - conf->upstream.ssl = prev->upstream.ssl; -#endif - } - - if (clcf->lmt_excpt && clcf->handler == NULL - && (conf->upstream.upstream || conf->proxy_lengths)) - { - clcf->handler = ngx_http_proxy_handler; - } - - if (conf->body_source.data == NULL) { - conf->body_flushes = prev->body_flushes; - conf->body_source = prev->body_source; - conf->body_lengths = prev->body_lengths; - conf->body_values = prev->body_values; - } - - if (conf->body_source.data && conf->body_lengths == NULL) { - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &conf->body_source; - sc.flushes = &conf->body_flushes; - sc.lengths = &conf->body_lengths; - sc.values = &conf->body_values; - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - - if (conf->headers_source == NULL) { - conf->headers = prev->headers; -#if (NGX_HTTP_CACHE) - conf->headers_cache = prev->headers_cache; -#endif - conf->headers_source = prev->headers_source; - } - - rc = ngx_http_proxy_init_headers(cf, conf, &conf->headers, - ngx_http_proxy_headers); - if (rc != NGX_OK) { - return NGX_CONF_ERROR; - } - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.cache) { - rc = ngx_http_proxy_init_headers(cf, conf, &conf->headers_cache, - ngx_http_proxy_cache_headers); - if (rc != NGX_OK) { - return NGX_CONF_ERROR; - } - } - -#endif - - /* - * special handling to preserve conf->headers in the "http" section - * to inherit it to all servers - */ - - if (prev->headers.hash.buckets == NULL - && conf->headers_source == prev->headers_source) - { - prev->headers = conf->headers; -#if (NGX_HTTP_CACHE) - prev->headers_cache = conf->headers_cache; -#endif - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_proxy_init_headers(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *conf, - ngx_http_proxy_headers_t *headers, ngx_keyval_t *default_headers) -{ - u_char *p; - size_t size; - uintptr_t *code; - ngx_uint_t i; - ngx_array_t headers_names, headers_merged; - ngx_keyval_t *src, *s, *h; - ngx_hash_key_t *hk; - ngx_hash_init_t hash; - ngx_http_script_compile_t sc; - ngx_http_script_copy_code_t *copy; - - if (headers->hash.buckets) { - return NGX_OK; - } - - if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - if (ngx_array_init(&headers_merged, cf->temp_pool, 4, sizeof(ngx_keyval_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - headers->lengths = ngx_array_create(cf->pool, 64, 1); - if (headers->lengths == NULL) { - return NGX_ERROR; - } - - headers->values = ngx_array_create(cf->pool, 512, 1); - if (headers->values == NULL) { - return NGX_ERROR; - } - - if (conf->headers_source) { - - src = conf->headers_source->elts; - for (i = 0; i < conf->headers_source->nelts; i++) { - - s = ngx_array_push(&headers_merged); - if (s == NULL) { - return NGX_ERROR; - } - - *s = src[i]; - } - } - - h = default_headers; - - while (h->key.len) { - - src = headers_merged.elts; - for (i = 0; i < headers_merged.nelts; i++) { - if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { - goto next; - } - } - - s = ngx_array_push(&headers_merged); - if (s == NULL) { - return NGX_ERROR; - } - - *s = *h; - - next: - - h++; - } - - - src = headers_merged.elts; - for (i = 0; i < headers_merged.nelts; i++) { - - hk = ngx_array_push(&headers_names); - if (hk == NULL) { - return NGX_ERROR; - } - - hk->key = src[i].key; - hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len); - hk->value = (void *) 1; - - if (src[i].value.len == 0) { - continue; - } - - copy = ngx_array_push_n(headers->lengths, - sizeof(ngx_http_script_copy_code_t)); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = (ngx_http_script_code_pt) (void *) - ngx_http_script_copy_len_code; - copy->len = src[i].key.len; - - size = (sizeof(ngx_http_script_copy_code_t) - + src[i].key.len + sizeof(uintptr_t) - 1) - & ~(sizeof(uintptr_t) - 1); - - copy = ngx_array_push_n(headers->values, size); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = ngx_http_script_copy_code; - copy->len = src[i].key.len; - - p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); - ngx_memcpy(p, src[i].key.data, src[i].key.len); - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &src[i].value; - sc.flushes = &headers->flushes; - sc.lengths = &headers->lengths; - sc.values = &headers->values; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_ERROR; - } - - code = ngx_array_push_n(headers->lengths, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - - code = ngx_array_push_n(headers->values, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - } - - code = ngx_array_push_n(headers->lengths, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - - - hash.hash = &headers->hash; - hash.key = ngx_hash_key_lc; - hash.max_size = conf->headers_hash_max_size; - hash.bucket_size = conf->headers_hash_bucket_size; - hash.name = "proxy_headers_hash"; - hash.pool = cf->pool; - hash.temp_pool = NULL; - - return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts); -} - - -static char * -ngx_http_proxy_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_proxy_loc_conf_t *plcf = conf; - - size_t add; - u_short port; - ngx_str_t *value, *url; - ngx_url_t u; - ngx_uint_t n; - ngx_http_core_loc_conf_t *clcf; - ngx_http_script_compile_t sc; - - if (plcf->upstream.upstream || plcf->proxy_lengths) { - return "is duplicate"; - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - - clcf->handler = ngx_http_proxy_handler; - - if (clcf->name.data[clcf->name.len - 1] == '/') { - clcf->auto_redirect = 1; - } - - value = cf->args->elts; - - url = &value[1]; - - n = ngx_http_script_variables_count(url); - - if (n) { - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = url; - sc.lengths = &plcf->proxy_lengths; - sc.values = &plcf->proxy_values; - sc.variables = n; - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - -#if (NGX_HTTP_SSL) - plcf->ssl = 1; -#endif - - return NGX_CONF_OK; - } - - if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) { - add = 7; - port = 80; - - } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) { - -#if (NGX_HTTP_SSL) - plcf->ssl = 1; - - add = 8; - port = 443; -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "https protocol requires SSL support"); - return NGX_CONF_ERROR; -#endif - - } else { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid URL prefix"); - return NGX_CONF_ERROR; - } - - ngx_memzero(&u, sizeof(ngx_url_t)); - - u.url.len = url->len - add; - u.url.data = url->data + add; - u.default_port = port; - u.uri_part = 1; - u.no_resolve = 1; - - plcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); - if (plcf->upstream.upstream == NULL) { - return NGX_CONF_ERROR; - } - - plcf->vars.schema.len = add; - plcf->vars.schema.data = url->data; - plcf->vars.key_start = plcf->vars.schema; - - ngx_http_proxy_set_vars(&u, &plcf->vars); - - plcf->location = clcf->name; - - if (clcf->named -#if (NGX_PCRE) - || clcf->regex -#endif - || clcf->noname) - { - if (plcf->vars.uri.len) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"proxy_pass\" cannot have URI part in " - "location given by regular expression, " - "or inside named location, " - "or inside \"if\" statement, " - "or inside \"limit_except\" block"); - return NGX_CONF_ERROR; - } - - plcf->location.len = 0; - } - - plcf->url = *url; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_proxy_redirect(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_proxy_loc_conf_t *plcf = conf; - - u_char *p; - ngx_str_t *value; - ngx_http_proxy_rewrite_t *pr; - ngx_http_compile_complex_value_t ccv; - - if (plcf->redirect == 0) { - return NGX_CONF_OK; - } - - plcf->redirect = 1; - - value = cf->args->elts; - - if (cf->args->nelts == 2) { - if (ngx_strcmp(value[1].data, "off") == 0) { - plcf->redirect = 0; - plcf->redirects = NULL; - return NGX_CONF_OK; - } - - if (ngx_strcmp(value[1].data, "false") == 0) { - ngx_conf_log_error(NGX_LOG_ERR, cf, 0, - "invalid parameter \"false\", use \"off\" instead"); - plcf->redirect = 0; - plcf->redirects = NULL; - return NGX_CONF_OK; - } - - if (ngx_strcmp(value[1].data, "default") != 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - } - - if (plcf->redirects == NULL) { - plcf->redirects = ngx_array_create(cf->pool, 1, - sizeof(ngx_http_proxy_rewrite_t)); - if (plcf->redirects == NULL) { - return NGX_CONF_ERROR; - } - } - - pr = ngx_array_push(plcf->redirects); - if (pr == NULL) { - return NGX_CONF_ERROR; - } - - if (ngx_strcmp(value[1].data, "default") == 0) { - if (plcf->proxy_lengths) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"proxy_redirect default\" cannot be used " - "with \"proxy_pass\" directive with variables"); - return NGX_CONF_ERROR; - } - - if (plcf->url.data == NULL) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"proxy_redirect default\" should be placed " - "after the \"proxy_pass\" directive"); - return NGX_CONF_ERROR; - } - - pr->handler = ngx_http_proxy_rewrite_complex_handler; - - ngx_memzero(&pr->pattern.complex, sizeof(ngx_http_complex_value_t)); - - ngx_memzero(&pr->replacement, sizeof(ngx_http_complex_value_t)); - - if (plcf->vars.uri.len) { - pr->pattern.complex.value = plcf->url; - pr->replacement.value = plcf->location; - - } else { - pr->pattern.complex.value.len = plcf->url.len + sizeof("/") - 1; - - p = ngx_pnalloc(cf->pool, pr->pattern.complex.value.len); - if (p == NULL) { - return NGX_CONF_ERROR; - } - - pr->pattern.complex.value.data = p; - - p = ngx_cpymem(p, plcf->url.data, plcf->url.len); - *p = '/'; - - ngx_str_set(&pr->replacement.value, "/"); - } - - return NGX_CONF_OK; - } - - - if (value[1].data[0] == '~') { - value[1].len--; - value[1].data++; - - if (value[1].data[0] == '*') { - value[1].len--; - value[1].data++; - - if (ngx_http_proxy_rewrite_regex(cf, pr, &value[1], 1) != NGX_OK) { - return NGX_CONF_ERROR; - } - - } else { - if (ngx_http_proxy_rewrite_regex(cf, pr, &value[1], 0) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - - } else { - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &pr->pattern.complex; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - pr->handler = ngx_http_proxy_rewrite_complex_handler; - } - - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[2]; - ccv.complex_value = &pr->replacement; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_proxy_cookie_domain(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_proxy_loc_conf_t *plcf = conf; - - ngx_str_t *value; - ngx_http_proxy_rewrite_t *pr; - ngx_http_compile_complex_value_t ccv; - - if (plcf->cookie_domains == NULL) { - return NGX_CONF_OK; - } - - value = cf->args->elts; - - if (cf->args->nelts == 2) { - - if (ngx_strcmp(value[1].data, "off") == 0) { - plcf->cookie_domains = NULL; - return NGX_CONF_OK; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - if (plcf->cookie_domains == NGX_CONF_UNSET_PTR) { - plcf->cookie_domains = ngx_array_create(cf->pool, 1, - sizeof(ngx_http_proxy_rewrite_t)); - if (plcf->cookie_domains == NULL) { - return NGX_CONF_ERROR; - } - } - - pr = ngx_array_push(plcf->cookie_domains); - if (pr == NULL) { - return NGX_CONF_ERROR; - } - - if (value[1].data[0] == '~') { - value[1].len--; - value[1].data++; - - if (ngx_http_proxy_rewrite_regex(cf, pr, &value[1], 1) != NGX_OK) { - return NGX_CONF_ERROR; - } - - } else { - - if (value[1].data[0] == '.') { - value[1].len--; - value[1].data++; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &pr->pattern.complex; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - pr->handler = ngx_http_proxy_rewrite_domain_handler; - - if (value[2].data[0] == '.') { - value[2].len--; - value[2].data++; - } - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[2]; - ccv.complex_value = &pr->replacement; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_proxy_cookie_path(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_proxy_loc_conf_t *plcf = conf; - - ngx_str_t *value; - ngx_http_proxy_rewrite_t *pr; - ngx_http_compile_complex_value_t ccv; - - if (plcf->cookie_paths == NULL) { - return NGX_CONF_OK; - } - - value = cf->args->elts; - - if (cf->args->nelts == 2) { - - if (ngx_strcmp(value[1].data, "off") == 0) { - plcf->cookie_paths = NULL; - return NGX_CONF_OK; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - if (plcf->cookie_paths == NGX_CONF_UNSET_PTR) { - plcf->cookie_paths = ngx_array_create(cf->pool, 1, - sizeof(ngx_http_proxy_rewrite_t)); - if (plcf->cookie_paths == NULL) { - return NGX_CONF_ERROR; - } - } - - pr = ngx_array_push(plcf->cookie_paths); - if (pr == NULL) { - return NGX_CONF_ERROR; - } - - if (value[1].data[0] == '~') { - value[1].len--; - value[1].data++; - - if (value[1].data[0] == '*') { - value[1].len--; - value[1].data++; - - if (ngx_http_proxy_rewrite_regex(cf, pr, &value[1], 1) != NGX_OK) { - return NGX_CONF_ERROR; - } - - } else { - if (ngx_http_proxy_rewrite_regex(cf, pr, &value[1], 0) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - - } else { - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &pr->pattern.complex; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - pr->handler = ngx_http_proxy_rewrite_complex_handler; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[2]; - ccv.complex_value = &pr->replacement; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_proxy_rewrite_regex(ngx_conf_t *cf, ngx_http_proxy_rewrite_t *pr, - ngx_str_t *regex, ngx_uint_t caseless) -{ -#if (NGX_PCRE) - u_char errstr[NGX_MAX_CONF_ERRSTR]; - ngx_regex_compile_t rc; - - ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); - - rc.pattern = *regex; - rc.err.len = NGX_MAX_CONF_ERRSTR; - rc.err.data = errstr; - - if (caseless) { - rc.options = NGX_REGEX_CASELESS; - } - - pr->pattern.regex = ngx_http_regex_compile(cf, &rc); - if (pr->pattern.regex == NULL) { - return NGX_ERROR; - } - - pr->handler = ngx_http_proxy_rewrite_regex_handler; - - return NGX_OK; - -#else - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "using regex \"%V\" requires PCRE library", regex); - return NGX_ERROR; - -#endif -} - - -static char * -ngx_http_proxy_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_proxy_loc_conf_t *plcf = conf; - - ngx_str_t *value; - ngx_http_script_compile_t sc; - - if (plcf->upstream.store != NGX_CONF_UNSET) { - return "is duplicate"; - } - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "off") == 0) { - plcf->upstream.store = 0; - return NGX_CONF_OK; - } - -#if (NGX_HTTP_CACHE) - if (plcf->upstream.cache > 0) { - return "is incompatible with \"proxy_cache\""; - } -#endif - - plcf->upstream.store = 1; - - if (ngx_strcmp(value[1].data, "on") == 0) { - return NGX_CONF_OK; - } - - /* include the terminating '\0' into script */ - value[1].len++; - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &value[1]; - sc.lengths = &plcf->upstream.store_lengths; - sc.values = &plcf->upstream.store_values; - sc.variables = ngx_http_script_variables_count(&value[1]); - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -#if (NGX_HTTP_CACHE) - -static char * -ngx_http_proxy_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_proxy_loc_conf_t *plcf = conf; - - ngx_str_t *value; - ngx_http_complex_value_t cv; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (plcf->upstream.cache != NGX_CONF_UNSET) { - return "is duplicate"; - } - - if (ngx_strcmp(value[1].data, "off") == 0) { - plcf->upstream.cache = 0; - return NGX_CONF_OK; - } - - if (plcf->upstream.store > 0) { - return "is incompatible with \"proxy_store\""; - } - - plcf->upstream.cache = 1; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths != NULL) { - - plcf->upstream.cache_value = ngx_palloc(cf->pool, - sizeof(ngx_http_complex_value_t)); - if (plcf->upstream.cache_value == NULL) { - return NGX_CONF_ERROR; - } - - *plcf->upstream.cache_value = cv; - - return NGX_CONF_OK; - } - - plcf->upstream.cache_zone = ngx_shared_memory_add(cf, &value[1], 0, - &ngx_http_proxy_module); - if (plcf->upstream.cache_zone == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_proxy_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_proxy_loc_conf_t *plcf = conf; - - ngx_str_t *value; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (plcf->cache_key.value.data) { - return "is duplicate"; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &plcf->cache_key; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - -#endif - - -#if (NGX_HTTP_SSL) - -static char * -ngx_http_proxy_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_proxy_loc_conf_t *plcf = conf; - - ngx_str_t *value; - - if (plcf->ssl_passwords != NGX_CONF_UNSET_PTR) { - return "is duplicate"; - } - - value = cf->args->elts; - - plcf->ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); - - if (plcf->ssl_passwords == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - -#endif - - -static char * -ngx_http_proxy_lowat_check(ngx_conf_t *cf, void *post, void *data) -{ -#if (NGX_FREEBSD) - ssize_t *np = data; - - if ((u_long) *np >= ngx_freebsd_net_inet_tcp_sendspace) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"proxy_send_lowat\" must be less than %d " - "(sysctl net.inet.tcp.sendspace)", - ngx_freebsd_net_inet_tcp_sendspace); - - return NGX_CONF_ERROR; - } - -#elif !(NGX_HAVE_SO_SNDLOWAT) - ssize_t *np = data; - - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "\"proxy_send_lowat\" is not supported, ignored"); - - *np = 0; - -#endif - - return NGX_CONF_OK; -} - - -#if (NGX_HTTP_SSL) - -static ngx_int_t -ngx_http_proxy_set_ssl(ngx_conf_t *cf, ngx_http_proxy_loc_conf_t *plcf) -{ - ngx_pool_cleanup_t *cln; - - plcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); - if (plcf->upstream.ssl == NULL) { - return NGX_ERROR; - } - - plcf->upstream.ssl->log = cf->log; - - if (ngx_ssl_create(plcf->upstream.ssl, plcf->ssl_protocols, NULL) - != NGX_OK) - { - return NGX_ERROR; - } - - cln = ngx_pool_cleanup_add(cf->pool, 0); - if (cln == NULL) { - return NGX_ERROR; - } - - cln->handler = ngx_ssl_cleanup_ctx; - cln->data = plcf->upstream.ssl; - - if (plcf->ssl_certificate.len) { - - if (plcf->ssl_certificate_key.len == 0) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no \"proxy_ssl_certificate_key\" is defined " - "for certificate \"%V\"", &plcf->ssl_certificate); - return NGX_ERROR; - } - - if (ngx_ssl_certificate(cf, plcf->upstream.ssl, &plcf->ssl_certificate, - &plcf->ssl_certificate_key, plcf->ssl_passwords) - != NGX_OK) - { - return NGX_ERROR; - } - } - - if (ngx_ssl_ciphers(cf, plcf->upstream.ssl, &plcf->ssl_ciphers, 0) - != NGX_OK) - { - return NGX_ERROR; - } - - if (plcf->upstream.ssl_verify) { - if (plcf->ssl_trusted_certificate.len == 0) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no proxy_ssl_trusted_certificate for proxy_ssl_verify"); - return NGX_ERROR; - } - - if (ngx_ssl_trusted_certificate(cf, plcf->upstream.ssl, - &plcf->ssl_trusted_certificate, - plcf->ssl_verify_depth) - != NGX_OK) - { - return NGX_ERROR; - } - - if (ngx_ssl_crl(cf, plcf->upstream.ssl, &plcf->ssl_crl) != NGX_OK) { - return NGX_ERROR; - } - } - - return NGX_OK; -} - -#endif - - -static void -ngx_http_proxy_set_vars(ngx_url_t *u, ngx_http_proxy_vars_t *v) -{ - if (u->family != AF_UNIX) { - - if (u->no_port || u->port == u->default_port) { - - v->host_header = u->host; - - if (u->default_port == 80) { - ngx_str_set(&v->port, "80"); - - } else { - ngx_str_set(&v->port, "443"); - } - - } else { - v->host_header.len = u->host.len + 1 + u->port_text.len; - v->host_header.data = u->host.data; - v->port = u->port_text; - } - - v->key_start.len += v->host_header.len; - - } else { - ngx_str_set(&v->host_header, "localhost"); - ngx_str_null(&v->port); - v->key_start.len += sizeof("unix:") - 1 + u->host.len + 1; - } - - v->uri = u->uri; -} diff --git a/nginx/src/http/modules/ngx_http_random_index_module.c b/nginx/src/http/modules/ngx_http_random_index_module.c deleted file mode 100644 index b47ee4f..0000000 --- a/nginx/src/http/modules/ngx_http_random_index_module.c +++ /dev/null @@ -1,317 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_flag_t enable; -} ngx_http_random_index_loc_conf_t; - - -#define NGX_HTTP_RANDOM_INDEX_PREALLOCATE 50 - - -static ngx_int_t ngx_http_random_index_error(ngx_http_request_t *r, - ngx_dir_t *dir, ngx_str_t *name); -static ngx_int_t ngx_http_random_index_init(ngx_conf_t *cf); -static void *ngx_http_random_index_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_random_index_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); - - -static ngx_command_t ngx_http_random_index_commands[] = { - - { ngx_string("random_index"), - NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_random_index_loc_conf_t, enable), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_random_index_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_random_index_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_random_index_create_loc_conf, /* create location configuration */ - ngx_http_random_index_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_random_index_module = { - NGX_MODULE_V1, - &ngx_http_random_index_module_ctx, /* module context */ - ngx_http_random_index_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_random_index_handler(ngx_http_request_t *r) -{ - u_char *last, *filename; - size_t len, allocated, root; - ngx_err_t err; - ngx_int_t rc; - ngx_str_t path, uri, *name; - ngx_dir_t dir; - ngx_uint_t n, level; - ngx_array_t names; - ngx_http_random_index_loc_conf_t *rlcf; - - if (r->uri.data[r->uri.len - 1] != '/') { - return NGX_DECLINED; - } - - if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD|NGX_HTTP_POST))) { - return NGX_DECLINED; - } - - rlcf = ngx_http_get_module_loc_conf(r, ngx_http_random_index_module); - - if (!rlcf->enable) { - return NGX_DECLINED; - } - -#if (NGX_HAVE_D_TYPE) - len = NGX_DIR_MASK_LEN; -#else - len = NGX_HTTP_RANDOM_INDEX_PREALLOCATE; -#endif - - last = ngx_http_map_uri_to_path(r, &path, &root, len); - if (last == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - allocated = path.len; - - path.len = last - path.data - 1; - path.data[path.len] = '\0'; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http random index: \"%s\"", path.data); - - if (ngx_open_dir(&path, &dir) == NGX_ERROR) { - err = ngx_errno; - - if (err == NGX_ENOENT - || err == NGX_ENOTDIR - || err == NGX_ENAMETOOLONG) - { - level = NGX_LOG_ERR; - rc = NGX_HTTP_NOT_FOUND; - - } else if (err == NGX_EACCES) { - level = NGX_LOG_ERR; - rc = NGX_HTTP_FORBIDDEN; - - } else { - level = NGX_LOG_CRIT; - rc = NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_log_error(level, r->connection->log, err, - ngx_open_dir_n " \"%s\" failed", path.data); - - return rc; - } - - if (ngx_array_init(&names, r->pool, 32, sizeof(ngx_str_t)) != NGX_OK) { - return ngx_http_random_index_error(r, &dir, &path); - } - - filename = path.data; - filename[path.len] = '/'; - - for ( ;; ) { - ngx_set_errno(0); - - if (ngx_read_dir(&dir) == NGX_ERROR) { - err = ngx_errno; - - if (err != NGX_ENOMOREFILES) { - ngx_log_error(NGX_LOG_CRIT, r->connection->log, err, - ngx_read_dir_n " \"%V\" failed", &path); - return ngx_http_random_index_error(r, &dir, &path); - } - - break; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http random index file: \"%s\"", ngx_de_name(&dir)); - - if (ngx_de_name(&dir)[0] == '.') { - continue; - } - - len = ngx_de_namelen(&dir); - - if (dir.type == 0 || ngx_de_is_link(&dir)) { - - /* 1 byte for '/' and 1 byte for terminating '\0' */ - - if (path.len + 1 + len + 1 > allocated) { - allocated = path.len + 1 + len + 1 - + NGX_HTTP_RANDOM_INDEX_PREALLOCATE; - - filename = ngx_pnalloc(r->pool, allocated); - if (filename == NULL) { - return ngx_http_random_index_error(r, &dir, &path); - } - - last = ngx_cpystrn(filename, path.data, path.len + 1); - *last++ = '/'; - } - - ngx_cpystrn(last, ngx_de_name(&dir), len + 1); - - if (ngx_de_info(filename, &dir) == NGX_FILE_ERROR) { - err = ngx_errno; - - if (err != NGX_ENOENT) { - ngx_log_error(NGX_LOG_CRIT, r->connection->log, err, - ngx_de_info_n " \"%s\" failed", filename); - return ngx_http_random_index_error(r, &dir, &path); - } - - if (ngx_de_link_info(filename, &dir) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, - ngx_de_link_info_n " \"%s\" failed", - filename); - return ngx_http_random_index_error(r, &dir, &path); - } - } - } - - if (!ngx_de_is_file(&dir)) { - continue; - } - - name = ngx_array_push(&names); - if (name == NULL) { - return ngx_http_random_index_error(r, &dir, &path); - } - - name->len = len; - - name->data = ngx_pnalloc(r->pool, len); - if (name->data == NULL) { - return ngx_http_random_index_error(r, &dir, &path); - } - - ngx_memcpy(name->data, ngx_de_name(&dir), len); - } - - if (ngx_close_dir(&dir) == NGX_ERROR) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, - ngx_close_dir_n " \"%V\" failed", &path); - } - - n = names.nelts; - - if (n == 0) { - return NGX_DECLINED; - } - - name = names.elts; - - n = (ngx_uint_t) (((uint64_t) ngx_random() * n) / 0x80000000); - - uri.len = r->uri.len + name[n].len; - - uri.data = ngx_pnalloc(r->pool, uri.len); - if (uri.data == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - last = ngx_copy(uri.data, r->uri.data, r->uri.len); - ngx_memcpy(last, name[n].data, name[n].len); - - return ngx_http_internal_redirect(r, &uri, &r->args); -} - - -static ngx_int_t -ngx_http_random_index_error(ngx_http_request_t *r, ngx_dir_t *dir, - ngx_str_t *name) -{ - if (ngx_close_dir(dir) == NGX_ERROR) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, - ngx_close_dir_n " \"%V\" failed", name); - } - - return NGX_HTTP_INTERNAL_SERVER_ERROR; -} - - -static void * -ngx_http_random_index_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_random_index_loc_conf_t *conf; - - conf = ngx_palloc(cf->pool, sizeof(ngx_http_random_index_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - conf->enable = NGX_CONF_UNSET; - - return conf; -} - - -static char * -ngx_http_random_index_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_random_index_loc_conf_t *prev = parent; - ngx_http_random_index_loc_conf_t *conf = child; - - ngx_conf_merge_value(conf->enable, prev->enable, 0); - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_random_index_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_random_index_handler; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_range_filter_module.c b/nginx/src/http/modules/ngx_http_range_filter_module.c deleted file mode 100644 index 819c5c9..0000000 --- a/nginx/src/http/modules/ngx_http_range_filter_module.c +++ /dev/null @@ -1,932 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -/* - * the single part format: - * - * "HTTP/1.0 206 Partial Content" CRLF - * ... header ... - * "Content-Type: image/jpeg" CRLF - * "Content-Length: SIZE" CRLF - * "Content-Range: bytes START-END/SIZE" CRLF - * CRLF - * ... data ... - * - * - * the multipart format: - * - * "HTTP/1.0 206 Partial Content" CRLF - * ... header ... - * "Content-Type: multipart/byteranges; boundary=0123456789" CRLF - * CRLF - * CRLF - * "--0123456789" CRLF - * "Content-Type: image/jpeg" CRLF - * "Content-Range: bytes START0-END0/SIZE" CRLF - * CRLF - * ... data ... - * CRLF - * "--0123456789" CRLF - * "Content-Type: image/jpeg" CRLF - * "Content-Range: bytes START1-END1/SIZE" CRLF - * CRLF - * ... data ... - * CRLF - * "--0123456789--" CRLF - */ - - -typedef struct { - off_t start; - off_t end; - ngx_str_t content_range; -} ngx_http_range_t; - - -typedef struct { - off_t offset; - ngx_str_t boundary_header; - ngx_array_t ranges; -} ngx_http_range_filter_ctx_t; - - -static ngx_int_t ngx_http_range_parse(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_uint_t ranges); -static ngx_int_t ngx_http_range_singlepart_header(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx); -static ngx_int_t ngx_http_range_multipart_header(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx); -static ngx_int_t ngx_http_range_not_satisfiable(ngx_http_request_t *r); -static ngx_int_t ngx_http_range_test_overlapped(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); -static ngx_int_t ngx_http_range_singlepart_body(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); -static ngx_int_t ngx_http_range_multipart_body(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in); - -static ngx_int_t ngx_http_range_header_filter_init(ngx_conf_t *cf); -static ngx_int_t ngx_http_range_body_filter_init(ngx_conf_t *cf); - - -static ngx_http_module_t ngx_http_range_header_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_range_header_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL, /* merge location configuration */ -}; - - -ngx_module_t ngx_http_range_header_filter_module = { - NGX_MODULE_V1, - &ngx_http_range_header_filter_module_ctx, /* module context */ - NULL, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_module_t ngx_http_range_body_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_range_body_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL, /* merge location configuration */ -}; - - -ngx_module_t ngx_http_range_body_filter_module = { - NGX_MODULE_V1, - &ngx_http_range_body_filter_module_ctx, /* module context */ - NULL, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static ngx_int_t -ngx_http_range_header_filter(ngx_http_request_t *r) -{ - time_t if_range_time; - ngx_str_t *if_range, *etag; - ngx_uint_t ranges; - ngx_http_core_loc_conf_t *clcf; - ngx_http_range_filter_ctx_t *ctx; - - if (r->http_version < NGX_HTTP_VERSION_10 - || r->headers_out.status != NGX_HTTP_OK - || (r != r->main && !r->subrequest_ranges) - || r->headers_out.content_length_n == -1 - || !r->allow_ranges) - { - return ngx_http_next_header_filter(r); - } - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (clcf->max_ranges == 0) { - return ngx_http_next_header_filter(r); - } - - if (r->headers_in.range == NULL - || r->headers_in.range->value.len < 7 - || ngx_strncasecmp(r->headers_in.range->value.data, - (u_char *) "bytes=", 6) - != 0) - { - goto next_filter; - } - - if (r->headers_in.if_range) { - - if_range = &r->headers_in.if_range->value; - - if (if_range->len >= 2 && if_range->data[if_range->len - 1] == '"') { - - if (r->headers_out.etag == NULL) { - goto next_filter; - } - - etag = &r->headers_out.etag->value; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http ir:%V etag:%V", if_range, etag); - - if (if_range->len != etag->len - || ngx_strncmp(if_range->data, etag->data, etag->len) != 0) - { - goto next_filter; - } - - goto parse; - } - - if (r->headers_out.last_modified_time == (time_t) -1) { - goto next_filter; - } - - if_range_time = ngx_parse_http_time(if_range->data, if_range->len); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http ir:%T lm:%T", - if_range_time, r->headers_out.last_modified_time); - - if (if_range_time != r->headers_out.last_modified_time) { - goto next_filter; - } - } - -parse: - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_range_filter_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ctx->offset = r->headers_out.content_offset; - - ranges = r->single_range ? 1 : clcf->max_ranges; - - switch (ngx_http_range_parse(r, ctx, ranges)) { - - case NGX_OK: - ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module); - - r->headers_out.status = NGX_HTTP_PARTIAL_CONTENT; - r->headers_out.status_line.len = 0; - - if (ctx->ranges.nelts == 1) { - return ngx_http_range_singlepart_header(r, ctx); - } - - return ngx_http_range_multipart_header(r, ctx); - - case NGX_HTTP_RANGE_NOT_SATISFIABLE: - return ngx_http_range_not_satisfiable(r); - - case NGX_ERROR: - return NGX_ERROR; - - default: /* NGX_DECLINED */ - break; - } - -next_filter: - - r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers); - if (r->headers_out.accept_ranges == NULL) { - return NGX_ERROR; - } - - r->headers_out.accept_ranges->hash = 1; - ngx_str_set(&r->headers_out.accept_ranges->key, "Accept-Ranges"); - ngx_str_set(&r->headers_out.accept_ranges->value, "bytes"); - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx, - ngx_uint_t ranges) -{ - u_char *p; - off_t start, end, size, content_length, cutoff, - cutlim; - ngx_uint_t suffix; - ngx_http_range_t *range; - ngx_http_range_filter_ctx_t *mctx; - - if (r != r->main) { - mctx = ngx_http_get_module_ctx(r->main, - ngx_http_range_body_filter_module); - if (mctx) { - ctx->ranges = mctx->ranges; - return NGX_OK; - } - } - - if (ngx_array_init(&ctx->ranges, r->pool, 1, sizeof(ngx_http_range_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - p = r->headers_in.range->value.data + 6; - size = 0; - content_length = r->headers_out.content_length_n; - - cutoff = NGX_MAX_OFF_T_VALUE / 10; - cutlim = NGX_MAX_OFF_T_VALUE % 10; - - for ( ;; ) { - start = 0; - end = 0; - suffix = 0; - - while (*p == ' ') { p++; } - - if (*p != '-') { - if (*p < '0' || *p > '9') { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - while (*p >= '0' && *p <= '9') { - if (start >= cutoff && (start > cutoff || *p - '0' > cutlim)) { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - start = start * 10 + (*p++ - '0'); - } - - while (*p == ' ') { p++; } - - if (*p++ != '-') { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - while (*p == ' ') { p++; } - - if (*p == ',' || *p == '\0') { - end = content_length; - goto found; - } - - } else { - suffix = 1; - p++; - } - - if (*p < '0' || *p > '9') { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - while (*p >= '0' && *p <= '9') { - if (end >= cutoff && (end > cutoff || *p - '0' > cutlim)) { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - end = end * 10 + (*p++ - '0'); - } - - while (*p == ' ') { p++; } - - if (*p != ',' && *p != '\0') { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - if (suffix) { - start = (end < content_length) ? content_length - end : 0; - end = content_length - 1; - } - - if (end >= content_length) { - end = content_length; - - } else { - end++; - } - - found: - - if (start < end) { - range = ngx_array_push(&ctx->ranges); - if (range == NULL) { - return NGX_ERROR; - } - - range->start = start; - range->end = end; - - if (size > NGX_MAX_OFF_T_VALUE - (end - start)) { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - size += end - start; - - if (ranges-- == 0) { - return NGX_DECLINED; - } - - } else if (start == 0) { - return NGX_DECLINED; - } - - if (*p++ != ',') { - break; - } - } - - if (ctx->ranges.nelts == 0) { - return NGX_HTTP_RANGE_NOT_SATISFIABLE; - } - - if (size > content_length) { - return NGX_DECLINED; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_range_singlepart_header(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx) -{ - ngx_table_elt_t *content_range; - ngx_http_range_t *range; - - if (r != r->main) { - return ngx_http_next_header_filter(r); - } - - content_range = ngx_list_push(&r->headers_out.headers); - if (content_range == NULL) { - return NGX_ERROR; - } - - r->headers_out.content_range = content_range; - - content_range->hash = 1; - ngx_str_set(&content_range->key, "Content-Range"); - - content_range->value.data = ngx_pnalloc(r->pool, - sizeof("bytes -/") - 1 + 3 * NGX_OFF_T_LEN); - if (content_range->value.data == NULL) { - content_range->hash = 0; - r->headers_out.content_range = NULL; - return NGX_ERROR; - } - - /* "Content-Range: bytes SSSS-EEEE/TTTT" header */ - - range = ctx->ranges.elts; - - content_range->value.len = ngx_sprintf(content_range->value.data, - "bytes %O-%O/%O", - range->start, range->end - 1, - r->headers_out.content_length_n) - - content_range->value.data; - - r->headers_out.content_length_n = range->end - range->start; - r->headers_out.content_offset = range->start; - - if (r->headers_out.content_length) { - r->headers_out.content_length->hash = 0; - r->headers_out.content_length = NULL; - } - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_range_multipart_header(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx) -{ - off_t len; - size_t size; - ngx_uint_t i; - ngx_http_range_t *range; - ngx_atomic_uint_t boundary; - - size = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN - + sizeof(CRLF "Content-Type: ") - 1 - + r->headers_out.content_type.len - + sizeof(CRLF "Content-Range: bytes ") - 1; - - if (r->headers_out.content_type_len == r->headers_out.content_type.len - && r->headers_out.charset.len) - { - size += sizeof("; charset=") - 1 + r->headers_out.charset.len; - } - - ctx->boundary_header.data = ngx_pnalloc(r->pool, size); - if (ctx->boundary_header.data == NULL) { - return NGX_ERROR; - } - - boundary = ngx_next_temp_number(0); - - /* - * The boundary header of the range: - * CRLF - * "--0123456789" CRLF - * "Content-Type: image/jpeg" CRLF - * "Content-Range: bytes " - */ - - if (r->headers_out.content_type_len == r->headers_out.content_type.len - && r->headers_out.charset.len) - { - ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, - CRLF "--%0muA" CRLF - "Content-Type: %V; charset=%V" CRLF - "Content-Range: bytes ", - boundary, - &r->headers_out.content_type, - &r->headers_out.charset) - - ctx->boundary_header.data; - - } else if (r->headers_out.content_type.len) { - ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, - CRLF "--%0muA" CRLF - "Content-Type: %V" CRLF - "Content-Range: bytes ", - boundary, - &r->headers_out.content_type) - - ctx->boundary_header.data; - - } else { - ctx->boundary_header.len = ngx_sprintf(ctx->boundary_header.data, - CRLF "--%0muA" CRLF - "Content-Range: bytes ", - boundary) - - ctx->boundary_header.data; - } - - r->headers_out.content_type.data = - ngx_pnalloc(r->pool, - sizeof("Content-Type: multipart/byteranges; boundary=") - 1 - + NGX_ATOMIC_T_LEN); - - if (r->headers_out.content_type.data == NULL) { - return NGX_ERROR; - } - - r->headers_out.content_type_lowcase = NULL; - - /* "Content-Type: multipart/byteranges; boundary=0123456789" */ - - r->headers_out.content_type.len = - ngx_sprintf(r->headers_out.content_type.data, - "multipart/byteranges; boundary=%0muA", - boundary) - - r->headers_out.content_type.data; - - r->headers_out.content_type_len = r->headers_out.content_type.len; - - r->headers_out.charset.len = 0; - - /* the size of the last boundary CRLF "--0123456789--" CRLF */ - - len = sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN + sizeof("--" CRLF) - 1; - - range = ctx->ranges.elts; - for (i = 0; i < ctx->ranges.nelts; i++) { - - /* the size of the range: "SSSS-EEEE/TTTT" CRLF CRLF */ - - range[i].content_range.data = - ngx_pnalloc(r->pool, 3 * NGX_OFF_T_LEN + 2 + 4); - - if (range[i].content_range.data == NULL) { - return NGX_ERROR; - } - - range[i].content_range.len = ngx_sprintf(range[i].content_range.data, - "%O-%O/%O" CRLF CRLF, - range[i].start, range[i].end - 1, - r->headers_out.content_length_n) - - range[i].content_range.data; - - len += ctx->boundary_header.len + range[i].content_range.len - + (range[i].end - range[i].start); - } - - r->headers_out.content_length_n = len; - - if (r->headers_out.content_length) { - r->headers_out.content_length->hash = 0; - r->headers_out.content_length = NULL; - } - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_range_not_satisfiable(ngx_http_request_t *r) -{ - ngx_table_elt_t *content_range; - - r->headers_out.status = NGX_HTTP_RANGE_NOT_SATISFIABLE; - - content_range = ngx_list_push(&r->headers_out.headers); - if (content_range == NULL) { - return NGX_ERROR; - } - - r->headers_out.content_range = content_range; - - content_range->hash = 1; - ngx_str_set(&content_range->key, "Content-Range"); - - content_range->value.data = ngx_pnalloc(r->pool, - sizeof("bytes */") - 1 + NGX_OFF_T_LEN); - if (content_range->value.data == NULL) { - content_range->hash = 0; - r->headers_out.content_range = NULL; - return NGX_ERROR; - } - - content_range->value.len = ngx_sprintf(content_range->value.data, - "bytes */%O", - r->headers_out.content_length_n) - - content_range->value.data; - - ngx_http_clear_content_length(r); - - return NGX_HTTP_RANGE_NOT_SATISFIABLE; -} - - -static ngx_int_t -ngx_http_range_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - ngx_http_range_filter_ctx_t *ctx; - - if (in == NULL) { - return ngx_http_next_body_filter(r, in); - } - - ctx = ngx_http_get_module_ctx(r, ngx_http_range_body_filter_module); - - if (ctx == NULL) { - return ngx_http_next_body_filter(r, in); - } - - if (ctx->ranges.nelts == 1) { - return ngx_http_range_singlepart_body(r, ctx, in); - } - - /* - * multipart ranges are supported only if whole body is in a single buffer - */ - - if (ngx_buf_special(in->buf)) { - return ngx_http_next_body_filter(r, in); - } - - if (ngx_http_range_test_overlapped(r, ctx, in) != NGX_OK) { - return NGX_ERROR; - } - - return ngx_http_range_multipart_body(r, ctx, in); -} - - -static ngx_int_t -ngx_http_range_test_overlapped(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) -{ - off_t start, last; - ngx_buf_t *buf; - ngx_uint_t i; - ngx_http_range_t *range; - - if (ctx->offset) { - goto overlapped; - } - - buf = in->buf; - - if (!buf->last_buf) { - start = ctx->offset; - last = ctx->offset + ngx_buf_size(buf); - - range = ctx->ranges.elts; - for (i = 0; i < ctx->ranges.nelts; i++) { - if (start > range[i].start || last < range[i].end) { - goto overlapped; - } - } - } - - ctx->offset = ngx_buf_size(buf); - - return NGX_OK; - -overlapped: - - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "range in overlapped buffers"); - - return NGX_ERROR; -} - - -static ngx_int_t -ngx_http_range_singlepart_body(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) -{ - off_t start, last; - ngx_buf_t *buf; - ngx_chain_t *out, *cl, **ll; - ngx_http_range_t *range; - - out = NULL; - ll = &out; - range = ctx->ranges.elts; - - for (cl = in; cl; cl = cl->next) { - - buf = cl->buf; - - start = ctx->offset; - last = ctx->offset + ngx_buf_size(buf); - - ctx->offset = last; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http range body buf: %O-%O", start, last); - - if (ngx_buf_special(buf)) { - *ll = cl; - ll = &cl->next; - continue; - } - - if (range->end <= start || range->start >= last) { - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http range body skip"); - - if (buf->in_file) { - buf->file_pos = buf->file_last; - } - - buf->pos = buf->last; - buf->sync = 1; - - continue; - } - - if (range->start > start) { - - if (buf->in_file) { - buf->file_pos += range->start - start; - } - - if (ngx_buf_in_memory(buf)) { - buf->pos += (size_t) (range->start - start); - } - } - - if (range->end <= last) { - - if (buf->in_file) { - buf->file_last -= last - range->end; - } - - if (ngx_buf_in_memory(buf)) { - buf->last -= (size_t) (last - range->end); - } - - buf->last_buf = (r == r->main) ? 1 : 0; - buf->last_in_chain = 1; - *ll = cl; - cl->next = NULL; - - break; - } - - *ll = cl; - ll = &cl->next; - } - - if (out == NULL) { - return NGX_OK; - } - - return ngx_http_next_body_filter(r, out); -} - - -static ngx_int_t -ngx_http_range_multipart_body(ngx_http_request_t *r, - ngx_http_range_filter_ctx_t *ctx, ngx_chain_t *in) -{ - ngx_buf_t *b, *buf; - ngx_uint_t i; - ngx_chain_t *out, *hcl, *rcl, *dcl, **ll; - ngx_http_range_t *range; - - ll = &out; - buf = in->buf; - range = ctx->ranges.elts; - - for (i = 0; i < ctx->ranges.nelts; i++) { - - /* - * The boundary header of the range: - * CRLF - * "--0123456789" CRLF - * "Content-Type: image/jpeg" CRLF - * "Content-Range: bytes " - */ - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - b->memory = 1; - b->pos = ctx->boundary_header.data; - b->last = ctx->boundary_header.data + ctx->boundary_header.len; - - hcl = ngx_alloc_chain_link(r->pool); - if (hcl == NULL) { - return NGX_ERROR; - } - - hcl->buf = b; - - - /* "SSSS-EEEE/TTTT" CRLF CRLF */ - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - b->temporary = 1; - b->pos = range[i].content_range.data; - b->last = range[i].content_range.data + range[i].content_range.len; - - rcl = ngx_alloc_chain_link(r->pool); - if (rcl == NULL) { - return NGX_ERROR; - } - - rcl->buf = b; - - - /* the range data */ - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - b->in_file = buf->in_file; - b->temporary = buf->temporary; - b->memory = buf->memory; - b->mmap = buf->mmap; - b->file = buf->file; - - if (buf->in_file) { - b->file_pos = buf->file_pos + range[i].start; - b->file_last = buf->file_pos + range[i].end; - } - - if (ngx_buf_in_memory(buf)) { - b->pos = buf->pos + (size_t) range[i].start; - b->last = buf->pos + (size_t) range[i].end; - } - - dcl = ngx_alloc_chain_link(r->pool); - if (dcl == NULL) { - return NGX_ERROR; - } - - dcl->buf = b; - - *ll = hcl; - hcl->next = rcl; - rcl->next = dcl; - ll = &dcl->next; - } - - /* the last boundary CRLF "--0123456789--" CRLF */ - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - b->temporary = 1; - b->last_buf = 1; - - b->pos = ngx_pnalloc(r->pool, sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN - + sizeof("--" CRLF) - 1); - if (b->pos == NULL) { - return NGX_ERROR; - } - - b->last = ngx_cpymem(b->pos, ctx->boundary_header.data, - sizeof(CRLF "--") - 1 + NGX_ATOMIC_T_LEN); - *b->last++ = '-'; *b->last++ = '-'; - *b->last++ = CR; *b->last++ = LF; - - hcl = ngx_alloc_chain_link(r->pool); - if (hcl == NULL) { - return NGX_ERROR; - } - - hcl->buf = b; - hcl->next = NULL; - - *ll = hcl; - - return ngx_http_next_body_filter(r, out); -} - - -static ngx_int_t -ngx_http_range_header_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_range_header_filter; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_range_body_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_range_body_filter; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_realip_module.c b/nginx/src/http/modules/ngx_http_realip_module.c deleted file mode 100644 index 7d3f2a9..0000000 --- a/nginx/src/http/modules/ngx_http_realip_module.c +++ /dev/null @@ -1,623 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -#define NGX_HTTP_REALIP_XREALIP 0 -#define NGX_HTTP_REALIP_XFWD 1 -#define NGX_HTTP_REALIP_HEADER 2 -#define NGX_HTTP_REALIP_PROXY 3 - - -typedef struct { - ngx_array_t *from; /* array of ngx_cidr_t */ - ngx_uint_t type; - ngx_uint_t hash; - ngx_str_t header; - ngx_flag_t recursive; -} ngx_http_realip_loc_conf_t; - - -typedef struct { - ngx_connection_t *connection; - struct sockaddr *sockaddr; - socklen_t socklen; - ngx_str_t addr_text; -} ngx_http_realip_ctx_t; - - -static ngx_int_t ngx_http_realip_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_realip_set_addr(ngx_http_request_t *r, - ngx_addr_t *addr); -static void ngx_http_realip_cleanup(void *data); -static char *ngx_http_realip_from(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_realip(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); -static void *ngx_http_realip_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_realip_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_realip_add_variables(ngx_conf_t *cf); -static ngx_int_t ngx_http_realip_init(ngx_conf_t *cf); -static ngx_http_realip_ctx_t *ngx_http_realip_get_module_ctx( - ngx_http_request_t *r); - - -static ngx_int_t ngx_http_realip_remote_addr_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_realip_remote_port_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); - - -static ngx_command_t ngx_http_realip_commands[] = { - - { ngx_string("set_real_ip_from"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_realip_from, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("real_ip_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_realip, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("real_ip_recursive"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_realip_loc_conf_t, recursive), - NULL }, - - ngx_null_command -}; - - - -static ngx_http_module_t ngx_http_realip_module_ctx = { - ngx_http_realip_add_variables, /* preconfiguration */ - ngx_http_realip_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_realip_create_loc_conf, /* create location configuration */ - ngx_http_realip_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_realip_module = { - NGX_MODULE_V1, - &ngx_http_realip_module_ctx, /* module context */ - ngx_http_realip_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_variable_t ngx_http_realip_vars[] = { - - { ngx_string("realip_remote_addr"), NULL, - ngx_http_realip_remote_addr_variable, 0, 0, 0 }, - - { ngx_string("realip_remote_port"), NULL, - ngx_http_realip_remote_port_variable, 0, 0, 0 }, - - ngx_http_null_variable -}; - - -static ngx_int_t -ngx_http_realip_handler(ngx_http_request_t *r) -{ - u_char *p; - size_t len; - ngx_str_t *value; - ngx_uint_t i, hash; - ngx_addr_t addr; - ngx_array_t *xfwd; - ngx_list_part_t *part; - ngx_table_elt_t *header; - ngx_connection_t *c; - ngx_http_realip_ctx_t *ctx; - ngx_http_realip_loc_conf_t *rlcf; - - rlcf = ngx_http_get_module_loc_conf(r, ngx_http_realip_module); - - if (rlcf->from == NULL) { - return NGX_DECLINED; - } - - ctx = ngx_http_realip_get_module_ctx(r); - - if (ctx) { - return NGX_DECLINED; - } - - switch (rlcf->type) { - - case NGX_HTTP_REALIP_XREALIP: - - if (r->headers_in.x_real_ip == NULL) { - return NGX_DECLINED; - } - - value = &r->headers_in.x_real_ip->value; - xfwd = NULL; - - break; - - case NGX_HTTP_REALIP_XFWD: - - xfwd = &r->headers_in.x_forwarded_for; - - if (xfwd->elts == NULL) { - return NGX_DECLINED; - } - - value = NULL; - - break; - - case NGX_HTTP_REALIP_PROXY: - - value = &r->connection->proxy_protocol_addr; - - if (value->len == 0) { - return NGX_DECLINED; - } - - xfwd = NULL; - - break; - - default: /* NGX_HTTP_REALIP_HEADER */ - - part = &r->headers_in.headers.part; - header = part->elts; - - hash = rlcf->hash; - len = rlcf->header.len; - p = rlcf->header.data; - - for (i = 0; /* void */ ; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - if (hash == header[i].hash - && len == header[i].key.len - && ngx_strncmp(p, header[i].lowcase_key, len) == 0) - { - value = &header[i].value; - xfwd = NULL; - - goto found; - } - } - - return NGX_DECLINED; - } - -found: - - c = r->connection; - - addr.sockaddr = c->sockaddr; - addr.socklen = c->socklen; - /* addr.name = c->addr_text; */ - - if (ngx_http_get_forwarded_addr(r, &addr, xfwd, value, rlcf->from, - rlcf->recursive) - != NGX_DECLINED) - { - if (rlcf->type == NGX_HTTP_REALIP_PROXY) { - ngx_inet_set_port(addr.sockaddr, c->proxy_protocol_port); - } - - return ngx_http_realip_set_addr(r, &addr); - } - - return NGX_DECLINED; -} - - -static ngx_int_t -ngx_http_realip_set_addr(ngx_http_request_t *r, ngx_addr_t *addr) -{ - size_t len; - u_char *p; - u_char text[NGX_SOCKADDR_STRLEN]; - ngx_connection_t *c; - ngx_pool_cleanup_t *cln; - ngx_http_realip_ctx_t *ctx; - - cln = ngx_pool_cleanup_add(r->pool, sizeof(ngx_http_realip_ctx_t)); - if (cln == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ctx = cln->data; - - c = r->connection; - - len = ngx_sock_ntop(addr->sockaddr, addr->socklen, text, - NGX_SOCKADDR_STRLEN, 0); - if (len == 0) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - p = ngx_pnalloc(c->pool, len); - if (p == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_memcpy(p, text, len); - - cln->handler = ngx_http_realip_cleanup; - ngx_http_set_ctx(r, ctx, ngx_http_realip_module); - - ctx->connection = c; - ctx->sockaddr = c->sockaddr; - ctx->socklen = c->socklen; - ctx->addr_text = c->addr_text; - - c->sockaddr = addr->sockaddr; - c->socklen = addr->socklen; - c->addr_text.len = len; - c->addr_text.data = p; - - return NGX_DECLINED; -} - - -static void -ngx_http_realip_cleanup(void *data) -{ - ngx_http_realip_ctx_t *ctx = data; - - ngx_connection_t *c; - - c = ctx->connection; - - c->sockaddr = ctx->sockaddr; - c->socklen = ctx->socklen; - c->addr_text = ctx->addr_text; -} - - -static char * -ngx_http_realip_from(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_realip_loc_conf_t *rlcf = conf; - - ngx_int_t rc; - ngx_str_t *value; - ngx_url_t u; - ngx_cidr_t c, *cidr; - ngx_uint_t i; - struct sockaddr_in *sin; -#if (NGX_HAVE_INET6) - struct sockaddr_in6 *sin6; -#endif - - value = cf->args->elts; - - if (rlcf->from == NULL) { - rlcf->from = ngx_array_create(cf->pool, 2, - sizeof(ngx_cidr_t)); - if (rlcf->from == NULL) { - return NGX_CONF_ERROR; - } - } - -#if (NGX_HAVE_UNIX_DOMAIN) - - if (ngx_strcmp(value[1].data, "unix:") == 0) { - cidr = ngx_array_push(rlcf->from); - if (cidr == NULL) { - return NGX_CONF_ERROR; - } - - cidr->family = AF_UNIX; - return NGX_CONF_OK; - } - -#endif - - rc = ngx_ptocidr(&value[1], &c); - - if (rc != NGX_ERROR) { - if (rc == NGX_DONE) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "low address bits of %V are meaningless", - &value[1]); - } - - cidr = ngx_array_push(rlcf->from); - if (cidr == NULL) { - return NGX_CONF_ERROR; - } - - *cidr = c; - - return NGX_CONF_OK; - } - - ngx_memzero(&u, sizeof(ngx_url_t)); - u.host = value[1]; - - if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) { - if (u.err) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "%s in set_real_ip_from \"%V\"", - u.err, &u.host); - } - - return NGX_CONF_ERROR; - } - - cidr = ngx_array_push_n(rlcf->from, u.naddrs); - if (cidr == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(cidr, u.naddrs * sizeof(ngx_cidr_t)); - - for (i = 0; i < u.naddrs; i++) { - cidr[i].family = u.addrs[i].sockaddr->sa_family; - - switch (cidr[i].family) { - -#if (NGX_HAVE_INET6) - case AF_INET6: - sin6 = (struct sockaddr_in6 *) u.addrs[i].sockaddr; - cidr[i].u.in6.addr = sin6->sin6_addr; - ngx_memset(cidr[i].u.in6.mask.s6_addr, 0xff, 16); - break; -#endif - - default: /* AF_INET */ - sin = (struct sockaddr_in *) u.addrs[i].sockaddr; - cidr[i].u.in.addr = sin->sin_addr.s_addr; - cidr[i].u.in.mask = 0xffffffff; - break; - } - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_realip(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_realip_loc_conf_t *rlcf = conf; - - ngx_str_t *value; - - if (rlcf->type != NGX_CONF_UNSET_UINT) { - return "is duplicate"; - } - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "X-Real-IP") == 0) { - rlcf->type = NGX_HTTP_REALIP_XREALIP; - return NGX_CONF_OK; - } - - if (ngx_strcmp(value[1].data, "X-Forwarded-For") == 0) { - rlcf->type = NGX_HTTP_REALIP_XFWD; - return NGX_CONF_OK; - } - - if (ngx_strcmp(value[1].data, "proxy_protocol") == 0) { - rlcf->type = NGX_HTTP_REALIP_PROXY; - return NGX_CONF_OK; - } - - rlcf->type = NGX_HTTP_REALIP_HEADER; - rlcf->hash = ngx_hash_strlow(value[1].data, value[1].data, value[1].len); - rlcf->header = value[1]; - - return NGX_CONF_OK; -} - - -static void * -ngx_http_realip_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_realip_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_realip_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->from = NULL; - * conf->hash = 0; - * conf->header = { 0, NULL }; - */ - - conf->type = NGX_CONF_UNSET_UINT; - conf->recursive = NGX_CONF_UNSET; - - return conf; -} - - -static char * -ngx_http_realip_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_realip_loc_conf_t *prev = parent; - ngx_http_realip_loc_conf_t *conf = child; - - if (conf->from == NULL) { - conf->from = prev->from; - } - - ngx_conf_merge_uint_value(conf->type, prev->type, NGX_HTTP_REALIP_XREALIP); - ngx_conf_merge_value(conf->recursive, prev->recursive, 0); - - if (conf->header.len == 0) { - conf->hash = prev->hash; - conf->header = prev->header; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_realip_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var, *v; - - for (v = ngx_http_realip_vars; v->name.len; v++) { - var = ngx_http_add_variable(cf, &v->name, v->flags); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = v->get_handler; - var->data = v->data; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_realip_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_POST_READ_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_realip_handler; - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_PREACCESS_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_realip_handler; - - return NGX_OK; -} - - -static ngx_http_realip_ctx_t * -ngx_http_realip_get_module_ctx(ngx_http_request_t *r) -{ - ngx_pool_cleanup_t *cln; - ngx_http_realip_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_realip_module); - - if (ctx == NULL && (r->internal || r->filter_finalize)) { - - /* - * if module context was reset, the original address - * can still be found in the cleanup handler - */ - - for (cln = r->pool->cleanup; cln; cln = cln->next) { - if (cln->handler == ngx_http_realip_cleanup) { - ctx = cln->data; - break; - } - } - } - - return ctx; -} - - -static ngx_int_t -ngx_http_realip_remote_addr_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_str_t *addr_text; - ngx_http_realip_ctx_t *ctx; - - ctx = ngx_http_realip_get_module_ctx(r); - - addr_text = ctx ? &ctx->addr_text : &r->connection->addr_text; - - v->len = addr_text->len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = addr_text->data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_realip_remote_port_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_uint_t port; - struct sockaddr *sa; - ngx_http_realip_ctx_t *ctx; - - ctx = ngx_http_realip_get_module_ctx(r); - - sa = ctx ? ctx->sockaddr : r->connection->sockaddr; - - v->len = 0; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); - if (v->data == NULL) { - return NGX_ERROR; - } - - port = ngx_inet_get_port(sa); - - if (port > 0 && port < 65536) { - v->len = ngx_sprintf(v->data, "%ui", port) - v->data; - } - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_referer_module.c b/nginx/src/http/modules/ngx_http_referer_module.c deleted file mode 100644 index 599dd3a..0000000 --- a/nginx/src/http/modules/ngx_http_referer_module.c +++ /dev/null @@ -1,682 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -#define NGX_HTTP_REFERER_NO_URI_PART ((void *) 4) - - -typedef struct { - ngx_hash_combined_t hash; - -#if (NGX_PCRE) - ngx_array_t *regex; - ngx_array_t *server_name_regex; -#endif - - ngx_flag_t no_referer; - ngx_flag_t blocked_referer; - ngx_flag_t server_names; - - ngx_hash_keys_arrays_t *keys; - - ngx_uint_t referer_hash_max_size; - ngx_uint_t referer_hash_bucket_size; -} ngx_http_referer_conf_t; - - -static ngx_int_t ngx_http_referer_add_variables(ngx_conf_t *cf); -static void * ngx_http_referer_create_conf(ngx_conf_t *cf); -static char * ngx_http_referer_merge_conf(ngx_conf_t *cf, void *parent, - void *child); -static char *ngx_http_valid_referers(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static ngx_int_t ngx_http_add_referer(ngx_conf_t *cf, - ngx_hash_keys_arrays_t *keys, ngx_str_t *value, ngx_str_t *uri); -static ngx_int_t ngx_http_add_regex_referer(ngx_conf_t *cf, - ngx_http_referer_conf_t *rlcf, ngx_str_t *name); -#if (NGX_PCRE) -static ngx_int_t ngx_http_add_regex_server_name(ngx_conf_t *cf, - ngx_http_referer_conf_t *rlcf, ngx_http_regex_t *regex); -#endif -static int ngx_libc_cdecl ngx_http_cmp_referer_wildcards(const void *one, - const void *two); - - -static ngx_command_t ngx_http_referer_commands[] = { - - { ngx_string("valid_referers"), - NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_valid_referers, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("referer_hash_max_size"), - NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_referer_conf_t, referer_hash_max_size), - NULL }, - - { ngx_string("referer_hash_bucket_size"), - NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_referer_conf_t, referer_hash_bucket_size), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_referer_module_ctx = { - ngx_http_referer_add_variables, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_referer_create_conf, /* create location configuration */ - ngx_http_referer_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_referer_module = { - NGX_MODULE_V1, - &ngx_http_referer_module_ctx, /* module context */ - ngx_http_referer_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_str_t ngx_http_invalid_referer_name = ngx_string("invalid_referer"); - - -static ngx_int_t -ngx_http_referer_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - u_char *p, *ref, *last; - size_t len; - ngx_str_t *uri; - ngx_uint_t i, key; - ngx_http_referer_conf_t *rlcf; - u_char buf[256]; -#if (NGX_PCRE) - ngx_int_t rc; - ngx_str_t referer; -#endif - - rlcf = ngx_http_get_module_loc_conf(r, ngx_http_referer_module); - - if (rlcf->hash.hash.buckets == NULL - && rlcf->hash.wc_head == NULL - && rlcf->hash.wc_tail == NULL -#if (NGX_PCRE) - && rlcf->regex == NULL - && rlcf->server_name_regex == NULL -#endif - ) - { - goto valid; - } - - if (r->headers_in.referer == NULL) { - if (rlcf->no_referer) { - goto valid; - } - - goto invalid; - } - - len = r->headers_in.referer->value.len; - ref = r->headers_in.referer->value.data; - - if (len >= sizeof("http://i.ru") - 1) { - last = ref + len; - - if (ngx_strncasecmp(ref, (u_char *) "http://", 7) == 0) { - ref += 7; - len -= 7; - goto valid_scheme; - - } else if (ngx_strncasecmp(ref, (u_char *) "https://", 8) == 0) { - ref += 8; - len -= 8; - goto valid_scheme; - } - } - - if (rlcf->blocked_referer) { - goto valid; - } - - goto invalid; - -valid_scheme: - - i = 0; - key = 0; - - for (p = ref; p < last; p++) { - if (*p == '/' || *p == ':') { - break; - } - - if (i == 256) { - goto invalid; - } - - buf[i] = ngx_tolower(*p); - key = ngx_hash(key, buf[i++]); - } - - uri = ngx_hash_find_combined(&rlcf->hash, key, buf, p - ref); - - if (uri) { - goto uri; - } - -#if (NGX_PCRE) - - if (rlcf->server_name_regex) { - referer.len = p - ref; - referer.data = buf; - - rc = ngx_regex_exec_array(rlcf->server_name_regex, &referer, - r->connection->log); - - if (rc == NGX_OK) { - goto valid; - } - - if (rc == NGX_ERROR) { - return rc; - } - - /* NGX_DECLINED */ - } - - if (rlcf->regex) { - referer.len = len; - referer.data = ref; - - rc = ngx_regex_exec_array(rlcf->regex, &referer, r->connection->log); - - if (rc == NGX_OK) { - goto valid; - } - - if (rc == NGX_ERROR) { - return rc; - } - - /* NGX_DECLINED */ - } - -#endif - -invalid: - - *v = ngx_http_variable_true_value; - - return NGX_OK; - -uri: - - for ( /* void */ ; p < last; p++) { - if (*p == '/') { - break; - } - } - - len = last - p; - - if (uri == NGX_HTTP_REFERER_NO_URI_PART) { - goto valid; - } - - if (len < uri->len || ngx_strncmp(uri->data, p, uri->len) != 0) { - goto invalid; - } - -valid: - - *v = ngx_http_variable_null_value; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_referer_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var; - - var = ngx_http_add_variable(cf, &ngx_http_invalid_referer_name, - NGX_HTTP_VAR_CHANGEABLE); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = ngx_http_referer_variable; - - return NGX_OK; -} - - -static void * -ngx_http_referer_create_conf(ngx_conf_t *cf) -{ - ngx_http_referer_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_referer_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->hash = { NULL }; - * conf->server_names = 0; - * conf->keys = NULL; - */ - -#if (NGX_PCRE) - conf->regex = NGX_CONF_UNSET_PTR; - conf->server_name_regex = NGX_CONF_UNSET_PTR; -#endif - - conf->no_referer = NGX_CONF_UNSET; - conf->blocked_referer = NGX_CONF_UNSET; - conf->referer_hash_max_size = NGX_CONF_UNSET_UINT; - conf->referer_hash_bucket_size = NGX_CONF_UNSET_UINT; - - return conf; -} - - -static char * -ngx_http_referer_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_referer_conf_t *prev = parent; - ngx_http_referer_conf_t *conf = child; - - ngx_uint_t n; - ngx_hash_init_t hash; - ngx_http_server_name_t *sn; - ngx_http_core_srv_conf_t *cscf; - - if (conf->keys == NULL) { - conf->hash = prev->hash; - -#if (NGX_PCRE) - ngx_conf_merge_ptr_value(conf->regex, prev->regex, NULL); - ngx_conf_merge_ptr_value(conf->server_name_regex, - prev->server_name_regex, NULL); -#endif - ngx_conf_merge_value(conf->no_referer, prev->no_referer, 0); - ngx_conf_merge_value(conf->blocked_referer, prev->blocked_referer, 0); - ngx_conf_merge_uint_value(conf->referer_hash_max_size, - prev->referer_hash_max_size, 2048); - ngx_conf_merge_uint_value(conf->referer_hash_bucket_size, - prev->referer_hash_bucket_size, 64); - - return NGX_CONF_OK; - } - - if (conf->server_names == 1) { - cscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_core_module); - - sn = cscf->server_names.elts; - for (n = 0; n < cscf->server_names.nelts; n++) { - -#if (NGX_PCRE) - if (sn[n].regex) { - - if (ngx_http_add_regex_server_name(cf, conf, sn[n].regex) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - continue; - } -#endif - - if (ngx_http_add_referer(cf, conf->keys, &sn[n].name, NULL) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - } - } - - if ((conf->no_referer == 1 || conf->blocked_referer == 1) - && conf->keys->keys.nelts == 0 - && conf->keys->dns_wc_head.nelts == 0 - && conf->keys->dns_wc_tail.nelts == 0) - { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "the \"none\" or \"blocked\" referers are specified " - "in the \"valid_referers\" directive " - "without any valid referer"); - return NGX_CONF_ERROR; - } - - ngx_conf_merge_uint_value(conf->referer_hash_max_size, - prev->referer_hash_max_size, 2048); - ngx_conf_merge_uint_value(conf->referer_hash_bucket_size, - prev->referer_hash_bucket_size, 64); - conf->referer_hash_bucket_size = ngx_align(conf->referer_hash_bucket_size, - ngx_cacheline_size); - - hash.key = ngx_hash_key_lc; - hash.max_size = conf->referer_hash_max_size; - hash.bucket_size = conf->referer_hash_bucket_size; - hash.name = "referer_hash"; - hash.pool = cf->pool; - - if (conf->keys->keys.nelts) { - hash.hash = &conf->hash.hash; - hash.temp_pool = NULL; - - if (ngx_hash_init(&hash, conf->keys->keys.elts, conf->keys->keys.nelts) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - } - - if (conf->keys->dns_wc_head.nelts) { - - ngx_qsort(conf->keys->dns_wc_head.elts, - (size_t) conf->keys->dns_wc_head.nelts, - sizeof(ngx_hash_key_t), - ngx_http_cmp_referer_wildcards); - - hash.hash = NULL; - hash.temp_pool = cf->temp_pool; - - if (ngx_hash_wildcard_init(&hash, conf->keys->dns_wc_head.elts, - conf->keys->dns_wc_head.nelts) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - conf->hash.wc_head = (ngx_hash_wildcard_t *) hash.hash; - } - - if (conf->keys->dns_wc_tail.nelts) { - - ngx_qsort(conf->keys->dns_wc_tail.elts, - (size_t) conf->keys->dns_wc_tail.nelts, - sizeof(ngx_hash_key_t), - ngx_http_cmp_referer_wildcards); - - hash.hash = NULL; - hash.temp_pool = cf->temp_pool; - - if (ngx_hash_wildcard_init(&hash, conf->keys->dns_wc_tail.elts, - conf->keys->dns_wc_tail.nelts) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - conf->hash.wc_tail = (ngx_hash_wildcard_t *) hash.hash; - } - -#if (NGX_PCRE) - ngx_conf_merge_ptr_value(conf->regex, prev->regex, NULL); - ngx_conf_merge_ptr_value(conf->server_name_regex, prev->server_name_regex, - NULL); -#endif - - if (conf->no_referer == NGX_CONF_UNSET) { - conf->no_referer = 0; - } - - if (conf->blocked_referer == NGX_CONF_UNSET) { - conf->blocked_referer = 0; - } - - conf->keys = NULL; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_valid_referers(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_referer_conf_t *rlcf = conf; - - u_char *p; - ngx_str_t *value, uri; - ngx_uint_t i; - - if (rlcf->keys == NULL) { - rlcf->keys = ngx_pcalloc(cf->temp_pool, sizeof(ngx_hash_keys_arrays_t)); - if (rlcf->keys == NULL) { - return NGX_CONF_ERROR; - } - - rlcf->keys->pool = cf->pool; - rlcf->keys->temp_pool = cf->pool; - - if (ngx_hash_keys_array_init(rlcf->keys, NGX_HASH_SMALL) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - - value = cf->args->elts; - - for (i = 1; i < cf->args->nelts; i++) { - if (value[i].len == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid referer \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - if (ngx_strcmp(value[i].data, "none") == 0) { - rlcf->no_referer = 1; - continue; - } - - if (ngx_strcmp(value[i].data, "blocked") == 0) { - rlcf->blocked_referer = 1; - continue; - } - - if (ngx_strcmp(value[i].data, "server_names") == 0) { - rlcf->server_names = 1; - continue; - } - - if (value[i].data[0] == '~') { - if (ngx_http_add_regex_referer(cf, rlcf, &value[i]) != NGX_OK) { - return NGX_CONF_ERROR; - } - - continue; - } - - ngx_str_null(&uri); - - p = (u_char *) ngx_strchr(value[i].data, '/'); - - if (p) { - uri.len = (value[i].data + value[i].len) - p; - uri.data = p; - value[i].len = p - value[i].data; - } - - if (ngx_http_add_referer(cf, rlcf->keys, &value[i], &uri) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_add_referer(ngx_conf_t *cf, ngx_hash_keys_arrays_t *keys, - ngx_str_t *value, ngx_str_t *uri) -{ - ngx_int_t rc; - ngx_str_t *u; - - if (uri == NULL || uri->len == 0) { - u = NGX_HTTP_REFERER_NO_URI_PART; - - } else { - u = ngx_palloc(cf->pool, sizeof(ngx_str_t)); - if (u == NULL) { - return NGX_ERROR; - } - - *u = *uri; - } - - rc = ngx_hash_add_key(keys, value, u, NGX_HASH_WILDCARD_KEY); - - if (rc == NGX_OK) { - return NGX_OK; - } - - if (rc == NGX_DECLINED) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid hostname or wildcard \"%V\"", value); - } - - if (rc == NGX_BUSY) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "conflicting parameter \"%V\"", value); - } - - return NGX_ERROR; -} - - -static ngx_int_t -ngx_http_add_regex_referer(ngx_conf_t *cf, ngx_http_referer_conf_t *rlcf, - ngx_str_t *name) -{ -#if (NGX_PCRE) - ngx_regex_elt_t *re; - ngx_regex_compile_t rc; - u_char errstr[NGX_MAX_CONF_ERRSTR]; - - if (name->len == 1) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "empty regex in \"%V\"", name); - return NGX_ERROR; - } - - if (rlcf->regex == NGX_CONF_UNSET_PTR) { - rlcf->regex = ngx_array_create(cf->pool, 2, sizeof(ngx_regex_elt_t)); - if (rlcf->regex == NULL) { - return NGX_ERROR; - } - } - - re = ngx_array_push(rlcf->regex); - if (re == NULL) { - return NGX_ERROR; - } - - name->len--; - name->data++; - - ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); - - rc.pattern = *name; - rc.pool = cf->pool; - rc.options = NGX_REGEX_CASELESS; - rc.err.len = NGX_MAX_CONF_ERRSTR; - rc.err.data = errstr; - - if (ngx_regex_compile(&rc) != NGX_OK) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc.err); - return NGX_ERROR; - } - - re->regex = rc.regex; - re->name = name->data; - - return NGX_OK; - -#else - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the using of the regex \"%V\" requires PCRE library", - name); - - return NGX_ERROR; - -#endif -} - - -#if (NGX_PCRE) - -static ngx_int_t -ngx_http_add_regex_server_name(ngx_conf_t *cf, ngx_http_referer_conf_t *rlcf, - ngx_http_regex_t *regex) -{ - ngx_regex_elt_t *re; - - if (rlcf->server_name_regex == NGX_CONF_UNSET_PTR) { - rlcf->server_name_regex = ngx_array_create(cf->pool, 2, - sizeof(ngx_regex_elt_t)); - if (rlcf->server_name_regex == NULL) { - return NGX_ERROR; - } - } - - re = ngx_array_push(rlcf->server_name_regex); - if (re == NULL) { - return NGX_ERROR; - } - - re->regex = regex->regex; - re->name = regex->name.data; - - return NGX_OK; -} - -#endif - - -static int ngx_libc_cdecl -ngx_http_cmp_referer_wildcards(const void *one, const void *two) -{ - ngx_hash_key_t *first, *second; - - first = (ngx_hash_key_t *) one; - second = (ngx_hash_key_t *) two; - - return ngx_dns_strcmp(first->key.data, second->key.data); -} diff --git a/nginx/src/http/modules/ngx_http_rewrite_module.c b/nginx/src/http/modules/ngx_http_rewrite_module.c deleted file mode 100644 index a6f1fc8..0000000 --- a/nginx/src/http/modules/ngx_http_rewrite_module.c +++ /dev/null @@ -1,1022 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_array_t *codes; /* uintptr_t */ - - ngx_uint_t stack_size; - - ngx_flag_t log; - ngx_flag_t uninitialized_variable_warn; -} ngx_http_rewrite_loc_conf_t; - - -static void *ngx_http_rewrite_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_rewrite_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_rewrite_init(ngx_conf_t *cf); -static char *ngx_http_rewrite(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); -static char *ngx_http_rewrite_return(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_rewrite_break(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_rewrite_if(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char * ngx_http_rewrite_if_condition(ngx_conf_t *cf, - ngx_http_rewrite_loc_conf_t *lcf); -static char *ngx_http_rewrite_variable(ngx_conf_t *cf, - ngx_http_rewrite_loc_conf_t *lcf, ngx_str_t *value); -static char *ngx_http_rewrite_set(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char * ngx_http_rewrite_value(ngx_conf_t *cf, - ngx_http_rewrite_loc_conf_t *lcf, ngx_str_t *value); - - -static ngx_command_t ngx_http_rewrite_commands[] = { - - { ngx_string("rewrite"), - NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_TAKE23, - ngx_http_rewrite, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("return"), - NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_TAKE12, - ngx_http_rewrite_return, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("break"), - NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_NOARGS, - ngx_http_rewrite_break, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("if"), - NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_BLOCK|NGX_CONF_1MORE, - ngx_http_rewrite_if, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("set"), - NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_TAKE2, - ngx_http_rewrite_set, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("rewrite_log"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF - |NGX_HTTP_LIF_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_rewrite_loc_conf_t, log), - NULL }, - - { ngx_string("uninitialized_variable_warn"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_SIF_CONF|NGX_HTTP_LOC_CONF - |NGX_HTTP_LIF_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_rewrite_loc_conf_t, uninitialized_variable_warn), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_rewrite_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_rewrite_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_rewrite_create_loc_conf, /* create location configuration */ - ngx_http_rewrite_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_rewrite_module = { - NGX_MODULE_V1, - &ngx_http_rewrite_module_ctx, /* module context */ - ngx_http_rewrite_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_rewrite_handler(ngx_http_request_t *r) -{ - ngx_int_t index; - ngx_http_script_code_pt code; - ngx_http_script_engine_t *e; - ngx_http_core_srv_conf_t *cscf; - ngx_http_core_main_conf_t *cmcf; - ngx_http_rewrite_loc_conf_t *rlcf; - - cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); - cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); - index = cmcf->phase_engine.location_rewrite_index; - - if (r->phase_handler == index && r->loc_conf == cscf->ctx->loc_conf) { - /* skipping location rewrite phase for server null location */ - return NGX_DECLINED; - } - - rlcf = ngx_http_get_module_loc_conf(r, ngx_http_rewrite_module); - - if (rlcf->codes == NULL) { - return NGX_DECLINED; - } - - e = ngx_pcalloc(r->pool, sizeof(ngx_http_script_engine_t)); - if (e == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - e->sp = ngx_pcalloc(r->pool, - rlcf->stack_size * sizeof(ngx_http_variable_value_t)); - if (e->sp == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - e->ip = rlcf->codes->elts; - e->request = r; - e->quote = 1; - e->log = rlcf->log; - e->status = NGX_DECLINED; - - while (*(uintptr_t *) e->ip) { - code = *(ngx_http_script_code_pt *) e->ip; - code(e); - } - - if (e->status < NGX_HTTP_BAD_REQUEST) { - return e->status; - } - - if (r->err_status == 0) { - return e->status; - } - - return r->err_status; -} - - -static ngx_int_t -ngx_http_rewrite_var(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - ngx_http_variable_t *var; - ngx_http_core_main_conf_t *cmcf; - ngx_http_rewrite_loc_conf_t *rlcf; - - rlcf = ngx_http_get_module_loc_conf(r, ngx_http_rewrite_module); - - if (rlcf->uninitialized_variable_warn == 0) { - *v = ngx_http_variable_null_value; - return NGX_OK; - } - - cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); - - var = cmcf->variables.elts; - - /* - * the ngx_http_rewrite_module sets variables directly in r->variables, - * and they should be handled by ngx_http_get_indexed_variable(), - * so the handler is called only if the variable is not initialized - */ - - ngx_log_error(NGX_LOG_WARN, r->connection->log, 0, - "using uninitialized \"%V\" variable", &var[data].name); - - *v = ngx_http_variable_null_value; - - return NGX_OK; -} - - -static void * -ngx_http_rewrite_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_rewrite_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_rewrite_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - conf->stack_size = NGX_CONF_UNSET_UINT; - conf->log = NGX_CONF_UNSET; - conf->uninitialized_variable_warn = NGX_CONF_UNSET; - - return conf; -} - - -static char * -ngx_http_rewrite_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_rewrite_loc_conf_t *prev = parent; - ngx_http_rewrite_loc_conf_t *conf = child; - - uintptr_t *code; - - ngx_conf_merge_value(conf->log, prev->log, 0); - ngx_conf_merge_value(conf->uninitialized_variable_warn, - prev->uninitialized_variable_warn, 1); - ngx_conf_merge_uint_value(conf->stack_size, prev->stack_size, 10); - - if (conf->codes == NULL) { - return NGX_CONF_OK; - } - - if (conf->codes == prev->codes) { - return NGX_CONF_OK; - } - - code = ngx_array_push_n(conf->codes, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_CONF_ERROR; - } - - *code = (uintptr_t) NULL; - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_rewrite_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_SERVER_REWRITE_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_rewrite_handler; - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_rewrite_handler; - - return NGX_OK; -} - - -static char * -ngx_http_rewrite(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_rewrite_loc_conf_t *lcf = conf; - - ngx_str_t *value; - ngx_uint_t last; - ngx_regex_compile_t rc; - ngx_http_script_code_pt *code; - ngx_http_script_compile_t sc; - ngx_http_script_regex_code_t *regex; - ngx_http_script_regex_end_code_t *regex_end; - u_char errstr[NGX_MAX_CONF_ERRSTR]; - - regex = ngx_http_script_start_code(cf->pool, &lcf->codes, - sizeof(ngx_http_script_regex_code_t)); - if (regex == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(regex, sizeof(ngx_http_script_regex_code_t)); - - value = cf->args->elts; - - ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); - - rc.pattern = value[1]; - rc.err.len = NGX_MAX_CONF_ERRSTR; - rc.err.data = errstr; - - /* TODO: NGX_REGEX_CASELESS */ - - regex->regex = ngx_http_regex_compile(cf, &rc); - if (regex->regex == NULL) { - return NGX_CONF_ERROR; - } - - regex->code = ngx_http_script_regex_start_code; - regex->uri = 1; - regex->name = value[1]; - - if (value[2].data[value[2].len - 1] == '?') { - - /* the last "?" drops the original arguments */ - value[2].len--; - - } else { - regex->add_args = 1; - } - - last = 0; - - if (ngx_strncmp(value[2].data, "http://", sizeof("http://") - 1) == 0 - || ngx_strncmp(value[2].data, "https://", sizeof("https://") - 1) == 0 - || ngx_strncmp(value[2].data, "$scheme", sizeof("$scheme") - 1) == 0) - { - regex->status = NGX_HTTP_MOVED_TEMPORARILY; - regex->redirect = 1; - last = 1; - } - - if (cf->args->nelts == 4) { - if (ngx_strcmp(value[3].data, "last") == 0) { - last = 1; - - } else if (ngx_strcmp(value[3].data, "break") == 0) { - regex->break_cycle = 1; - last = 1; - - } else if (ngx_strcmp(value[3].data, "redirect") == 0) { - regex->status = NGX_HTTP_MOVED_TEMPORARILY; - regex->redirect = 1; - last = 1; - - } else if (ngx_strcmp(value[3].data, "permanent") == 0) { - regex->status = NGX_HTTP_MOVED_PERMANENTLY; - regex->redirect = 1; - last = 1; - - } else { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[3]); - return NGX_CONF_ERROR; - } - } - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &value[2]; - sc.lengths = ®ex->lengths; - sc.values = &lcf->codes; - sc.variables = ngx_http_script_variables_count(&value[2]); - sc.main = regex; - sc.complete_lengths = 1; - sc.compile_args = !regex->redirect; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - - regex = sc.main; - - regex->size = sc.size; - regex->args = sc.args; - - if (sc.variables == 0 && !sc.dup_capture) { - regex->lengths = NULL; - } - - regex_end = ngx_http_script_add_code(lcf->codes, - sizeof(ngx_http_script_regex_end_code_t), - ®ex); - if (regex_end == NULL) { - return NGX_CONF_ERROR; - } - - regex_end->code = ngx_http_script_regex_end_code; - regex_end->uri = regex->uri; - regex_end->args = regex->args; - regex_end->add_args = regex->add_args; - regex_end->redirect = regex->redirect; - - if (last) { - code = ngx_http_script_add_code(lcf->codes, sizeof(uintptr_t), ®ex); - if (code == NULL) { - return NGX_CONF_ERROR; - } - - *code = NULL; - } - - regex->next = (u_char *) lcf->codes->elts + lcf->codes->nelts - - (u_char *) regex; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_rewrite_return(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_rewrite_loc_conf_t *lcf = conf; - - u_char *p; - ngx_str_t *value, *v; - ngx_http_script_return_code_t *ret; - ngx_http_compile_complex_value_t ccv; - - ret = ngx_http_script_start_code(cf->pool, &lcf->codes, - sizeof(ngx_http_script_return_code_t)); - if (ret == NULL) { - return NGX_CONF_ERROR; - } - - value = cf->args->elts; - - ngx_memzero(ret, sizeof(ngx_http_script_return_code_t)); - - ret->code = ngx_http_script_return_code; - - p = value[1].data; - - ret->status = ngx_atoi(p, value[1].len); - - if (ret->status == (uintptr_t) NGX_ERROR) { - - if (cf->args->nelts == 2 - && (ngx_strncmp(p, "http://", sizeof("http://") - 1) == 0 - || ngx_strncmp(p, "https://", sizeof("https://") - 1) == 0 - || ngx_strncmp(p, "$scheme", sizeof("$scheme") - 1) == 0)) - { - ret->status = NGX_HTTP_MOVED_TEMPORARILY; - v = &value[1]; - - } else { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid return code \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - } else { - - if (ret->status > 999) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid return code \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - if (cf->args->nelts == 2) { - return NGX_CONF_OK; - } - - v = &value[2]; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = v; - ccv.complex_value = &ret->text; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_rewrite_break(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_rewrite_loc_conf_t *lcf = conf; - - ngx_http_script_code_pt *code; - - code = ngx_http_script_start_code(cf->pool, &lcf->codes, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_CONF_ERROR; - } - - *code = ngx_http_script_break_code; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_rewrite_if(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_rewrite_loc_conf_t *lcf = conf; - - void *mconf; - char *rv; - u_char *elts; - ngx_uint_t i; - ngx_conf_t save; - ngx_http_module_t *module; - ngx_http_conf_ctx_t *ctx, *pctx; - ngx_http_core_loc_conf_t *clcf, *pclcf; - ngx_http_script_if_code_t *if_code; - ngx_http_rewrite_loc_conf_t *nlcf; - - ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); - if (ctx == NULL) { - return NGX_CONF_ERROR; - } - - pctx = cf->ctx; - ctx->main_conf = pctx->main_conf; - ctx->srv_conf = pctx->srv_conf; - - ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); - if (ctx->loc_conf == NULL) { - return NGX_CONF_ERROR; - } - - for (i = 0; cf->cycle->modules[i]; i++) { - if (cf->cycle->modules[i]->type != NGX_HTTP_MODULE) { - continue; - } - - module = cf->cycle->modules[i]->ctx; - - if (module->create_loc_conf) { - - mconf = module->create_loc_conf(cf); - if (mconf == NULL) { - return NGX_CONF_ERROR; - } - - ctx->loc_conf[cf->cycle->modules[i]->ctx_index] = mconf; - } - } - - pclcf = pctx->loc_conf[ngx_http_core_module.ctx_index]; - - clcf = ctx->loc_conf[ngx_http_core_module.ctx_index]; - clcf->loc_conf = ctx->loc_conf; - clcf->name = pclcf->name; - clcf->noname = 1; - - if (ngx_http_add_location(cf, &pclcf->locations, clcf) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (ngx_http_rewrite_if_condition(cf, lcf) != NGX_CONF_OK) { - return NGX_CONF_ERROR; - } - - if_code = ngx_array_push_n(lcf->codes, sizeof(ngx_http_script_if_code_t)); - if (if_code == NULL) { - return NGX_CONF_ERROR; - } - - if_code->code = ngx_http_script_if_code; - - elts = lcf->codes->elts; - - - /* the inner directives must be compiled to the same code array */ - - nlcf = ctx->loc_conf[ngx_http_rewrite_module.ctx_index]; - nlcf->codes = lcf->codes; - - - save = *cf; - cf->ctx = ctx; - - if (cf->cmd_type == NGX_HTTP_SRV_CONF) { - if_code->loc_conf = NULL; - cf->cmd_type = NGX_HTTP_SIF_CONF; - - } else { - if_code->loc_conf = ctx->loc_conf; - cf->cmd_type = NGX_HTTP_LIF_CONF; - } - - rv = ngx_conf_parse(cf, NULL); - - *cf = save; - - if (rv != NGX_CONF_OK) { - return rv; - } - - - if (elts != lcf->codes->elts) { - if_code = (ngx_http_script_if_code_t *) - ((u_char *) if_code + ((u_char *) lcf->codes->elts - elts)); - } - - if_code->next = (u_char *) lcf->codes->elts + lcf->codes->nelts - - (u_char *) if_code; - - /* the code array belong to parent block */ - - nlcf->codes = NULL; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_rewrite_if_condition(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf) -{ - u_char *p; - size_t len; - ngx_str_t *value; - ngx_uint_t cur, last; - ngx_regex_compile_t rc; - ngx_http_script_code_pt *code; - ngx_http_script_file_code_t *fop; - ngx_http_script_regex_code_t *regex; - u_char errstr[NGX_MAX_CONF_ERRSTR]; - - value = cf->args->elts; - last = cf->args->nelts - 1; - - if (value[1].len < 1 || value[1].data[0] != '(') { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid condition \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - if (value[1].len == 1) { - cur = 2; - - } else { - cur = 1; - value[1].len--; - value[1].data++; - } - - if (value[last].len < 1 || value[last].data[value[last].len - 1] != ')') { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid condition \"%V\"", &value[last]); - return NGX_CONF_ERROR; - } - - if (value[last].len == 1) { - last--; - - } else { - value[last].len--; - value[last].data[value[last].len] = '\0'; - } - - len = value[cur].len; - p = value[cur].data; - - if (len > 1 && p[0] == '$') { - - if (cur != last && cur + 2 != last) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid condition \"%V\"", &value[cur]); - return NGX_CONF_ERROR; - } - - if (ngx_http_rewrite_variable(cf, lcf, &value[cur]) != NGX_CONF_OK) { - return NGX_CONF_ERROR; - } - - if (cur == last) { - return NGX_CONF_OK; - } - - cur++; - - len = value[cur].len; - p = value[cur].data; - - if (len == 1 && p[0] == '=') { - - if (ngx_http_rewrite_value(cf, lcf, &value[last]) != NGX_CONF_OK) { - return NGX_CONF_ERROR; - } - - code = ngx_http_script_start_code(cf->pool, &lcf->codes, - sizeof(uintptr_t)); - if (code == NULL) { - return NGX_CONF_ERROR; - } - - *code = ngx_http_script_equal_code; - - return NGX_CONF_OK; - } - - if (len == 2 && p[0] == '!' && p[1] == '=') { - - if (ngx_http_rewrite_value(cf, lcf, &value[last]) != NGX_CONF_OK) { - return NGX_CONF_ERROR; - } - - code = ngx_http_script_start_code(cf->pool, &lcf->codes, - sizeof(uintptr_t)); - if (code == NULL) { - return NGX_CONF_ERROR; - } - - *code = ngx_http_script_not_equal_code; - return NGX_CONF_OK; - } - - if ((len == 1 && p[0] == '~') - || (len == 2 && p[0] == '~' && p[1] == '*') - || (len == 2 && p[0] == '!' && p[1] == '~') - || (len == 3 && p[0] == '!' && p[1] == '~' && p[2] == '*')) - { - regex = ngx_http_script_start_code(cf->pool, &lcf->codes, - sizeof(ngx_http_script_regex_code_t)); - if (regex == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(regex, sizeof(ngx_http_script_regex_code_t)); - - ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); - - rc.pattern = value[last]; - rc.options = (p[len - 1] == '*') ? NGX_REGEX_CASELESS : 0; - rc.err.len = NGX_MAX_CONF_ERRSTR; - rc.err.data = errstr; - - regex->regex = ngx_http_regex_compile(cf, &rc); - if (regex->regex == NULL) { - return NGX_CONF_ERROR; - } - - regex->code = ngx_http_script_regex_start_code; - regex->next = sizeof(ngx_http_script_regex_code_t); - regex->test = 1; - if (p[0] == '!') { - regex->negative_test = 1; - } - regex->name = value[last]; - - return NGX_CONF_OK; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "unexpected \"%V\" in condition", &value[cur]); - return NGX_CONF_ERROR; - - } else if ((len == 2 && p[0] == '-') - || (len == 3 && p[0] == '!' && p[1] == '-')) - { - if (cur + 1 != last) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid condition \"%V\"", &value[cur]); - return NGX_CONF_ERROR; - } - - value[last].data[value[last].len] = '\0'; - value[last].len++; - - if (ngx_http_rewrite_value(cf, lcf, &value[last]) != NGX_CONF_OK) { - return NGX_CONF_ERROR; - } - - fop = ngx_http_script_start_code(cf->pool, &lcf->codes, - sizeof(ngx_http_script_file_code_t)); - if (fop == NULL) { - return NGX_CONF_ERROR; - } - - fop->code = ngx_http_script_file_code; - - if (p[1] == 'f') { - fop->op = ngx_http_script_file_plain; - return NGX_CONF_OK; - } - - if (p[1] == 'd') { - fop->op = ngx_http_script_file_dir; - return NGX_CONF_OK; - } - - if (p[1] == 'e') { - fop->op = ngx_http_script_file_exists; - return NGX_CONF_OK; - } - - if (p[1] == 'x') { - fop->op = ngx_http_script_file_exec; - return NGX_CONF_OK; - } - - if (p[0] == '!') { - if (p[2] == 'f') { - fop->op = ngx_http_script_file_not_plain; - return NGX_CONF_OK; - } - - if (p[2] == 'd') { - fop->op = ngx_http_script_file_not_dir; - return NGX_CONF_OK; - } - - if (p[2] == 'e') { - fop->op = ngx_http_script_file_not_exists; - return NGX_CONF_OK; - } - - if (p[2] == 'x') { - fop->op = ngx_http_script_file_not_exec; - return NGX_CONF_OK; - } - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid condition \"%V\"", &value[cur]); - return NGX_CONF_ERROR; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid condition \"%V\"", &value[cur]); - - return NGX_CONF_ERROR; -} - - -static char * -ngx_http_rewrite_variable(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf, - ngx_str_t *value) -{ - ngx_int_t index; - ngx_http_script_var_code_t *var_code; - - value->len--; - value->data++; - - index = ngx_http_get_variable_index(cf, value); - - if (index == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - var_code = ngx_http_script_start_code(cf->pool, &lcf->codes, - sizeof(ngx_http_script_var_code_t)); - if (var_code == NULL) { - return NGX_CONF_ERROR; - } - - var_code->code = ngx_http_script_var_code; - var_code->index = index; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_rewrite_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_rewrite_loc_conf_t *lcf = conf; - - ngx_int_t index; - ngx_str_t *value; - ngx_http_variable_t *v; - ngx_http_script_var_code_t *vcode; - ngx_http_script_var_handler_code_t *vhcode; - - value = cf->args->elts; - - if (value[1].data[0] != '$') { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid variable name \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - value[1].len--; - value[1].data++; - - v = ngx_http_add_variable(cf, &value[1], - NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_WEAK); - if (v == NULL) { - return NGX_CONF_ERROR; - } - - index = ngx_http_get_variable_index(cf, &value[1]); - if (index == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - if (v->get_handler == NULL) { - v->get_handler = ngx_http_rewrite_var; - v->data = index; - } - - if (ngx_http_rewrite_value(cf, lcf, &value[2]) != NGX_CONF_OK) { - return NGX_CONF_ERROR; - } - - if (v->set_handler) { - vhcode = ngx_http_script_start_code(cf->pool, &lcf->codes, - sizeof(ngx_http_script_var_handler_code_t)); - if (vhcode == NULL) { - return NGX_CONF_ERROR; - } - - vhcode->code = ngx_http_script_var_set_handler_code; - vhcode->handler = v->set_handler; - vhcode->data = v->data; - - return NGX_CONF_OK; - } - - vcode = ngx_http_script_start_code(cf->pool, &lcf->codes, - sizeof(ngx_http_script_var_code_t)); - if (vcode == NULL) { - return NGX_CONF_ERROR; - } - - vcode->code = ngx_http_script_set_var_code; - vcode->index = (uintptr_t) index; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_rewrite_value(ngx_conf_t *cf, ngx_http_rewrite_loc_conf_t *lcf, - ngx_str_t *value) -{ - ngx_int_t n; - ngx_http_script_compile_t sc; - ngx_http_script_value_code_t *val; - ngx_http_script_complex_value_code_t *complex; - - n = ngx_http_script_variables_count(value); - - if (n == 0) { - val = ngx_http_script_start_code(cf->pool, &lcf->codes, - sizeof(ngx_http_script_value_code_t)); - if (val == NULL) { - return NGX_CONF_ERROR; - } - - n = ngx_atoi(value->data, value->len); - - if (n == NGX_ERROR) { - n = 0; - } - - val->code = ngx_http_script_value_code; - val->value = (uintptr_t) n; - val->text_len = (uintptr_t) value->len; - val->text_data = (uintptr_t) value->data; - - return NGX_CONF_OK; - } - - complex = ngx_http_script_start_code(cf->pool, &lcf->codes, - sizeof(ngx_http_script_complex_value_code_t)); - if (complex == NULL) { - return NGX_CONF_ERROR; - } - - complex->code = ngx_http_script_complex_value_code; - complex->lengths = NULL; - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = value; - sc.lengths = &complex->lengths; - sc.values = &lcf->codes; - sc.variables = n; - sc.complete_lengths = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_scgi_module.c b/nginx/src/http/modules/ngx_http_scgi_module.c deleted file mode 100644 index 9bd45bd..0000000 --- a/nginx/src/http/modules/ngx_http_scgi_module.c +++ /dev/null @@ -1,2008 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - * Copyright (C) Manlio Perillo (manlio.perillo@gmail.com) - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_array_t caches; /* ngx_http_file_cache_t * */ -} ngx_http_scgi_main_conf_t; - - -typedef struct { - ngx_array_t *flushes; - ngx_array_t *lengths; - ngx_array_t *values; - ngx_uint_t number; - ngx_hash_t hash; -} ngx_http_scgi_params_t; - - -typedef struct { - ngx_http_upstream_conf_t upstream; - - ngx_http_scgi_params_t params; -#if (NGX_HTTP_CACHE) - ngx_http_scgi_params_t params_cache; -#endif - ngx_array_t *params_source; - - ngx_array_t *scgi_lengths; - ngx_array_t *scgi_values; - -#if (NGX_HTTP_CACHE) - ngx_http_complex_value_t cache_key; -#endif -} ngx_http_scgi_loc_conf_t; - - -static ngx_int_t ngx_http_scgi_eval(ngx_http_request_t *r, - ngx_http_scgi_loc_conf_t *scf); -static ngx_int_t ngx_http_scgi_create_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_scgi_reinit_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_scgi_process_status_line(ngx_http_request_t *r); -static ngx_int_t ngx_http_scgi_process_header(ngx_http_request_t *r); -static void ngx_http_scgi_abort_request(ngx_http_request_t *r); -static void ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc); - -static void *ngx_http_scgi_create_main_conf(ngx_conf_t *cf); -static void *ngx_http_scgi_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, - void *child); -static ngx_int_t ngx_http_scgi_init_params(ngx_conf_t *cf, - ngx_http_scgi_loc_conf_t *conf, ngx_http_scgi_params_t *params, - ngx_keyval_t *default_params); - -static char *ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); -static char *ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - -#if (NGX_HTTP_CACHE) -static ngx_int_t ngx_http_scgi_create_key(ngx_http_request_t *r); -static char *ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -#endif - - -static ngx_conf_bitmask_t ngx_http_scgi_next_upstream_masks[] = { - { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, - { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, - { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, - { ngx_string("non_idempotent"), NGX_HTTP_UPSTREAM_FT_NON_IDEMPOTENT }, - { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, - { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, - { ngx_string("http_403"), NGX_HTTP_UPSTREAM_FT_HTTP_403 }, - { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, - { ngx_string("http_429"), NGX_HTTP_UPSTREAM_FT_HTTP_429 }, - { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING }, - { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, - { ngx_null_string, 0 } -}; - - -ngx_module_t ngx_http_scgi_module; - - -static ngx_command_t ngx_http_scgi_commands[] = { - - { ngx_string("scgi_pass"), - NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, - ngx_http_scgi_pass, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("scgi_store"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_scgi_store, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("scgi_store_access"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, - ngx_conf_set_access_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.store_access), - NULL }, - - { ngx_string("scgi_buffering"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.buffering), - NULL }, - - { ngx_string("scgi_request_buffering"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.request_buffering), - NULL }, - - { ngx_string("scgi_ignore_client_abort"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_client_abort), - NULL }, - - { ngx_string("scgi_bind"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_upstream_bind_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.local), - NULL }, - - { ngx_string("scgi_connect_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.connect_timeout), - NULL }, - - { ngx_string("scgi_send_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.send_timeout), - NULL }, - - { ngx_string("scgi_buffer_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.buffer_size), - NULL }, - - { ngx_string("scgi_pass_request_headers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_headers), - NULL }, - - { ngx_string("scgi_pass_request_body"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_body), - NULL }, - - { ngx_string("scgi_intercept_errors"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.intercept_errors), - NULL }, - - { ngx_string("scgi_read_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.read_timeout), - NULL }, - - { ngx_string("scgi_buffers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_conf_set_bufs_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.bufs), - NULL }, - - { ngx_string("scgi_busy_buffers_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.busy_buffers_size_conf), - NULL }, - - { ngx_string("scgi_force_ranges"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.force_ranges), - NULL }, - - { ngx_string("scgi_limit_rate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.limit_rate), - NULL }, - -#if (NGX_HTTP_CACHE) - - { ngx_string("scgi_cache"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_scgi_cache, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("scgi_cache_key"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_scgi_cache_key, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("scgi_cache_path"), - NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE, - ngx_http_file_cache_set_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_scgi_main_conf_t, caches), - &ngx_http_scgi_module }, - - { ngx_string("scgi_cache_bypass"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_set_predicate_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_bypass), - NULL }, - - { ngx_string("scgi_no_cache"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_set_predicate_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.no_cache), - NULL }, - - { ngx_string("scgi_cache_valid"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_file_cache_valid_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_valid), - NULL }, - - { ngx_string("scgi_cache_min_uses"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_min_uses), - NULL }, - - { ngx_string("scgi_cache_max_range_offset"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_off_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_max_range_offset), - NULL }, - - { ngx_string("scgi_cache_use_stale"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_use_stale), - &ngx_http_scgi_next_upstream_masks }, - - { ngx_string("scgi_cache_methods"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_methods), - &ngx_http_upstream_cache_method_mask }, - - { ngx_string("scgi_cache_lock"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_lock), - NULL }, - - { ngx_string("scgi_cache_lock_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_lock_timeout), - NULL }, - - { ngx_string("scgi_cache_lock_age"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_lock_age), - NULL }, - - { ngx_string("scgi_cache_revalidate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_revalidate), - NULL }, - - { ngx_string("scgi_cache_background_update"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_background_update), - NULL }, - -#endif - - { ngx_string("scgi_temp_path"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, - ngx_conf_set_path_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_path), - NULL }, - - { ngx_string("scgi_max_temp_file_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.max_temp_file_size_conf), - NULL }, - - { ngx_string("scgi_temp_file_write_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_file_write_size_conf), - NULL }, - - { ngx_string("scgi_next_upstream"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.next_upstream), - &ngx_http_scgi_next_upstream_masks }, - - { ngx_string("scgi_next_upstream_tries"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.next_upstream_tries), - NULL }, - - { ngx_string("scgi_next_upstream_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.next_upstream_timeout), - NULL }, - - { ngx_string("scgi_param"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE23, - ngx_http_upstream_param_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, params_source), - NULL }, - - { ngx_string("scgi_pass_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_headers), - NULL }, - - { ngx_string("scgi_hide_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.hide_headers), - NULL }, - - { ngx_string("scgi_ignore_headers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_headers), - &ngx_http_upstream_ignore_headers_masks }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_scgi_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - ngx_http_scgi_create_main_conf, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_scgi_create_loc_conf, /* create location configuration */ - ngx_http_scgi_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_scgi_module = { - NGX_MODULE_V1, - &ngx_http_scgi_module_ctx, /* module context */ - ngx_http_scgi_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_str_t ngx_http_scgi_hide_headers[] = { - ngx_string("Status"), - ngx_string("X-Accel-Expires"), - ngx_string("X-Accel-Redirect"), - ngx_string("X-Accel-Limit-Rate"), - ngx_string("X-Accel-Buffering"), - ngx_string("X-Accel-Charset"), - ngx_null_string -}; - - -#if (NGX_HTTP_CACHE) - -static ngx_keyval_t ngx_http_scgi_cache_headers[] = { - { ngx_string("HTTP_IF_MODIFIED_SINCE"), - ngx_string("$upstream_cache_last_modified") }, - { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") }, - { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("$upstream_cache_etag") }, - { ngx_string("HTTP_IF_MATCH"), ngx_string("") }, - { ngx_string("HTTP_RANGE"), ngx_string("") }, - { ngx_string("HTTP_IF_RANGE"), ngx_string("") }, - { ngx_null_string, ngx_null_string } -}; - -#endif - - -static ngx_path_init_t ngx_http_scgi_temp_path = { - ngx_string(NGX_HTTP_SCGI_TEMP_PATH), { 1, 2, 0 } -}; - - -static ngx_int_t -ngx_http_scgi_handler(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_http_status_t *status; - ngx_http_upstream_t *u; - ngx_http_scgi_loc_conf_t *scf; -#if (NGX_HTTP_CACHE) - ngx_http_scgi_main_conf_t *smcf; -#endif - - if (ngx_http_upstream_create(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - status = ngx_pcalloc(r->pool, sizeof(ngx_http_status_t)); - if (status == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_http_set_ctx(r, status, ngx_http_scgi_module); - - scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module); - - if (scf->scgi_lengths) { - if (ngx_http_scgi_eval(r, scf) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - } - - u = r->upstream; - - ngx_str_set(&u->schema, "scgi://"); - u->output.tag = (ngx_buf_tag_t) &ngx_http_scgi_module; - - u->conf = &scf->upstream; - -#if (NGX_HTTP_CACHE) - smcf = ngx_http_get_module_main_conf(r, ngx_http_scgi_module); - - u->caches = &smcf->caches; - u->create_key = ngx_http_scgi_create_key; -#endif - - u->create_request = ngx_http_scgi_create_request; - u->reinit_request = ngx_http_scgi_reinit_request; - u->process_header = ngx_http_scgi_process_status_line; - u->abort_request = ngx_http_scgi_abort_request; - u->finalize_request = ngx_http_scgi_finalize_request; - r->state = 0; - - u->buffering = scf->upstream.buffering; - - u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); - if (u->pipe == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - u->pipe->input_filter = ngx_event_pipe_copy_input_filter; - u->pipe->input_ctx = r; - - if (!scf->upstream.request_buffering - && scf->upstream.pass_request_body - && !r->headers_in.chunked) - { - r->request_body_no_buffering = 1; - } - - rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); - - if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { - return rc; - } - - return NGX_DONE; -} - - -static ngx_int_t -ngx_http_scgi_eval(ngx_http_request_t *r, ngx_http_scgi_loc_conf_t * scf) -{ - ngx_url_t url; - ngx_http_upstream_t *u; - - ngx_memzero(&url, sizeof(ngx_url_t)); - - if (ngx_http_script_run(r, &url.url, scf->scgi_lengths->elts, 0, - scf->scgi_values->elts) - == NULL) - { - return NGX_ERROR; - } - - url.no_resolve = 1; - - if (ngx_parse_url(r->pool, &url) != NGX_OK) { - if (url.err) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "%s in upstream \"%V\"", url.err, &url.url); - } - - return NGX_ERROR; - } - - u = r->upstream; - - u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); - if (u->resolved == NULL) { - return NGX_ERROR; - } - - if (url.addrs) { - u->resolved->sockaddr = url.addrs[0].sockaddr; - u->resolved->socklen = url.addrs[0].socklen; - u->resolved->name = url.addrs[0].name; - u->resolved->naddrs = 1; - } - - u->resolved->host = url.host; - u->resolved->port = url.port; - u->resolved->no_port = url.no_port; - - return NGX_OK; -} - - -#if (NGX_HTTP_CACHE) - -static ngx_int_t -ngx_http_scgi_create_key(ngx_http_request_t *r) -{ - ngx_str_t *key; - ngx_http_scgi_loc_conf_t *scf; - - key = ngx_array_push(&r->cache->keys); - if (key == NULL) { - return NGX_ERROR; - } - - scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module); - - if (ngx_http_complex_value(r, &scf->cache_key, key) != NGX_OK) { - return NGX_ERROR; - } - - return NGX_OK; -} - -#endif - - -static ngx_int_t -ngx_http_scgi_create_request(ngx_http_request_t *r) -{ - off_t content_length_n; - u_char ch, *key, *val, *lowcase_key; - size_t len, key_len, val_len, allocated; - ngx_buf_t *b; - ngx_str_t content_length; - ngx_uint_t i, n, hash, skip_empty, header_params; - ngx_chain_t *cl, *body; - ngx_list_part_t *part; - ngx_table_elt_t *header, **ignored; - ngx_http_scgi_params_t *params; - ngx_http_script_code_pt code; - ngx_http_script_engine_t e, le; - ngx_http_scgi_loc_conf_t *scf; - ngx_http_script_len_code_pt lcode; - u_char buffer[NGX_OFF_T_LEN]; - - content_length_n = 0; - body = r->upstream->request_bufs; - - while (body) { - content_length_n += ngx_buf_size(body->buf); - body = body->next; - } - - content_length.data = buffer; - content_length.len = ngx_sprintf(buffer, "%O", content_length_n) - buffer; - - len = sizeof("CONTENT_LENGTH") + content_length.len + 1; - - header_params = 0; - ignored = NULL; - - scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module); - -#if (NGX_HTTP_CACHE) - params = r->upstream->cacheable ? &scf->params_cache : &scf->params; -#else - params = &scf->params; -#endif - - if (params->lengths) { - ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); - - ngx_http_script_flush_no_cacheable_variables(r, params->flushes); - le.flushed = 1; - - le.ip = params->lengths->elts; - le.request = r; - - while (*(uintptr_t *) le.ip) { - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - key_len = lcode(&le); - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - skip_empty = lcode(&le); - - for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { - lcode = *(ngx_http_script_len_code_pt *) le.ip; - } - le.ip += sizeof(uintptr_t); - - if (skip_empty && val_len == 0) { - continue; - } - - len += key_len + val_len + 1; - } - } - - if (scf->upstream.pass_request_headers) { - - allocated = 0; - lowcase_key = NULL; - - if (params->number) { - n = 0; - part = &r->headers_in.headers.part; - - while (part) { - n += part->nelts; - part = part->next; - } - - ignored = ngx_palloc(r->pool, n * sizeof(void *)); - if (ignored == NULL) { - return NGX_ERROR; - } - } - - part = &r->headers_in.headers.part; - header = part->elts; - - for (i = 0; /* void */; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - if (params->number) { - if (allocated < header[i].key.len) { - allocated = header[i].key.len + 16; - lowcase_key = ngx_pnalloc(r->pool, allocated); - if (lowcase_key == NULL) { - return NGX_ERROR; - } - } - - hash = 0; - - for (n = 0; n < header[i].key.len; n++) { - ch = header[i].key.data[n]; - - if (ch >= 'A' && ch <= 'Z') { - ch |= 0x20; - - } else if (ch == '-') { - ch = '_'; - } - - hash = ngx_hash(hash, ch); - lowcase_key[n] = ch; - } - - if (ngx_hash_find(¶ms->hash, hash, lowcase_key, n)) { - ignored[header_params++] = &header[i]; - continue; - } - } - - len += sizeof("HTTP_") - 1 + header[i].key.len + 1 - + header[i].value.len + 1; - } - } - - /* netstring: "length:" + packet + "," */ - - b = ngx_create_temp_buf(r->pool, NGX_SIZE_T_LEN + 1 + len + 1); - if (b == NULL) { - return NGX_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - - b->last = ngx_sprintf(b->last, "%ui:CONTENT_LENGTH%Z%V%Z", - len, &content_length); - - if (params->lengths) { - ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); - - e.ip = params->values->elts; - e.pos = b->last; - e.request = r; - e.flushed = 1; - - le.ip = params->lengths->elts; - - while (*(uintptr_t *) le.ip) { - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - lcode(&le); /* key length */ - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - skip_empty = lcode(&le); - - for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { - lcode = *(ngx_http_script_len_code_pt *) le.ip; - } - le.ip += sizeof(uintptr_t); - - if (skip_empty && val_len == 0) { - e.skip = 1; - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - e.ip += sizeof(uintptr_t); - - e.skip = 0; - - continue; - } - -#if (NGX_DEBUG) - key = e.pos; -#endif - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - -#if (NGX_DEBUG) - val = e.pos; -#endif - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - *e.pos++ = '\0'; - e.ip += sizeof(uintptr_t); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "scgi param: \"%s: %s\"", key, val); - } - - b->last = e.pos; - } - - if (scf->upstream.pass_request_headers) { - - part = &r->headers_in.headers.part; - header = part->elts; - - for (i = 0; /* void */; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - for (n = 0; n < header_params; n++) { - if (&header[i] == ignored[n]) { - goto next; - } - } - - key = b->last; - b->last = ngx_cpymem(key, "HTTP_", sizeof("HTTP_") - 1); - - for (n = 0; n < header[i].key.len; n++) { - ch = header[i].key.data[n]; - - if (ch >= 'a' && ch <= 'z') { - ch &= ~0x20; - - } else if (ch == '-') { - ch = '_'; - } - - *b->last++ = ch; - } - - *b->last++ = (u_char) 0; - - val = b->last; - b->last = ngx_copy(val, header[i].value.data, header[i].value.len); - *b->last++ = (u_char) 0; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "scgi param: \"%s: %s\"", key, val); - - next: - - continue; - } - } - - *b->last++ = (u_char) ','; - - if (r->request_body_no_buffering) { - r->upstream->request_bufs = cl; - - } else if (scf->upstream.pass_request_body) { - body = r->upstream->request_bufs; - r->upstream->request_bufs = cl; - - while (body) { - b = ngx_alloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); - - cl->next = ngx_alloc_chain_link(r->pool); - if (cl->next == NULL) { - return NGX_ERROR; - } - - cl = cl->next; - cl->buf = b; - - body = body->next; - } - - } else { - r->upstream->request_bufs = cl; - } - - cl->next = NULL; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_scgi_reinit_request(ngx_http_request_t *r) -{ - ngx_http_status_t *status; - - status = ngx_http_get_module_ctx(r, ngx_http_scgi_module); - - if (status == NULL) { - return NGX_OK; - } - - status->code = 0; - status->count = 0; - status->start = NULL; - status->end = NULL; - - r->upstream->process_header = ngx_http_scgi_process_status_line; - r->state = 0; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_scgi_process_status_line(ngx_http_request_t *r) -{ - size_t len; - ngx_int_t rc; - ngx_http_status_t *status; - ngx_http_upstream_t *u; - - status = ngx_http_get_module_ctx(r, ngx_http_scgi_module); - - if (status == NULL) { - return NGX_ERROR; - } - - u = r->upstream; - - rc = ngx_http_parse_status_line(r, &u->buffer, status); - - if (rc == NGX_AGAIN) { - return rc; - } - - if (rc == NGX_ERROR) { - u->process_header = ngx_http_scgi_process_header; - return ngx_http_scgi_process_header(r); - } - - if (u->state && u->state->status == 0) { - u->state->status = status->code; - } - - u->headers_in.status_n = status->code; - - len = status->end - status->start; - u->headers_in.status_line.len = len; - - u->headers_in.status_line.data = ngx_pnalloc(r->pool, len); - if (u->headers_in.status_line.data == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(u->headers_in.status_line.data, status->start, len); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http scgi status %ui \"%V\"", - u->headers_in.status_n, &u->headers_in.status_line); - - u->process_header = ngx_http_scgi_process_header; - - return ngx_http_scgi_process_header(r); -} - - -static ngx_int_t -ngx_http_scgi_process_header(ngx_http_request_t *r) -{ - ngx_str_t *status_line; - ngx_int_t rc, status; - ngx_table_elt_t *h; - ngx_http_upstream_t *u; - ngx_http_upstream_header_t *hh; - ngx_http_upstream_main_conf_t *umcf; - - umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); - - for ( ;; ) { - - rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1); - - if (rc == NGX_OK) { - - /* a header line has been parsed successfully */ - - h = ngx_list_push(&r->upstream->headers_in.headers); - if (h == NULL) { - return NGX_ERROR; - } - - h->hash = r->header_hash; - - h->key.len = r->header_name_end - r->header_name_start; - h->value.len = r->header_end - r->header_start; - - h->key.data = ngx_pnalloc(r->pool, - h->key.len + 1 + h->value.len + 1 - + h->key.len); - if (h->key.data == NULL) { - h->hash = 0; - return NGX_ERROR; - } - - h->value.data = h->key.data + h->key.len + 1; - h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; - - ngx_memcpy(h->key.data, r->header_name_start, h->key.len); - h->key.data[h->key.len] = '\0'; - ngx_memcpy(h->value.data, r->header_start, h->value.len); - h->value.data[h->value.len] = '\0'; - - if (h->key.len == r->lowcase_index) { - ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); - - } else { - ngx_strlow(h->lowcase_key, h->key.data, h->key.len); - } - - hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, - h->lowcase_key, h->key.len); - - if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { - return NGX_ERROR; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http scgi header: \"%V: %V\"", &h->key, &h->value); - - continue; - } - - if (rc == NGX_HTTP_PARSE_HEADER_DONE) { - - /* a whole header has been parsed successfully */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http scgi header done"); - - u = r->upstream; - - if (u->headers_in.status_n) { - goto done; - } - - if (u->headers_in.status) { - status_line = &u->headers_in.status->value; - - status = ngx_atoi(status_line->data, 3); - if (status == NGX_ERROR) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid status \"%V\"", - status_line); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - u->headers_in.status_n = status; - u->headers_in.status_line = *status_line; - - } else if (u->headers_in.location) { - u->headers_in.status_n = 302; - ngx_str_set(&u->headers_in.status_line, - "302 Moved Temporarily"); - - } else { - u->headers_in.status_n = 200; - ngx_str_set(&u->headers_in.status_line, "200 OK"); - } - - if (u->state && u->state->status == 0) { - u->state->status = u->headers_in.status_n; - } - - done: - - if (u->headers_in.status_n == NGX_HTTP_SWITCHING_PROTOCOLS - && r->headers_in.upgrade) - { - u->upgrade = 1; - } - - return NGX_OK; - } - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - /* there was error while a header line parsing */ - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid header"); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } -} - - -static void -ngx_http_scgi_abort_request(ngx_http_request_t *r) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "abort http scgi request"); - - return; -} - - -static void -ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "finalize http scgi request"); - - return; -} - - -static void * -ngx_http_scgi_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_scgi_main_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_scgi_main_conf_t)); - if (conf == NULL) { - return NULL; - } - -#if (NGX_HTTP_CACHE) - if (ngx_array_init(&conf->caches, cf->pool, 4, - sizeof(ngx_http_file_cache_t *)) - != NGX_OK) - { - return NULL; - } -#endif - - return conf; -} - - -static void * -ngx_http_scgi_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_scgi_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_scgi_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - conf->upstream.store = NGX_CONF_UNSET; - conf->upstream.store_access = NGX_CONF_UNSET_UINT; - conf->upstream.next_upstream_tries = NGX_CONF_UNSET_UINT; - conf->upstream.buffering = NGX_CONF_UNSET; - conf->upstream.request_buffering = NGX_CONF_UNSET; - conf->upstream.ignore_client_abort = NGX_CONF_UNSET; - conf->upstream.force_ranges = NGX_CONF_UNSET; - - conf->upstream.local = NGX_CONF_UNSET_PTR; - - conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.next_upstream_timeout = NGX_CONF_UNSET_MSEC; - - conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; - conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; - conf->upstream.limit_rate = NGX_CONF_UNSET_SIZE; - - conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; - conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; - conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; - - conf->upstream.pass_request_headers = NGX_CONF_UNSET; - conf->upstream.pass_request_body = NGX_CONF_UNSET; - -#if (NGX_HTTP_CACHE) - conf->upstream.cache = NGX_CONF_UNSET; - conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT; - conf->upstream.cache_max_range_offset = NGX_CONF_UNSET; - conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR; - conf->upstream.no_cache = NGX_CONF_UNSET_PTR; - conf->upstream.cache_valid = NGX_CONF_UNSET_PTR; - conf->upstream.cache_lock = NGX_CONF_UNSET; - conf->upstream.cache_lock_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.cache_lock_age = NGX_CONF_UNSET_MSEC; - conf->upstream.cache_revalidate = NGX_CONF_UNSET; - conf->upstream.cache_background_update = NGX_CONF_UNSET; -#endif - - conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; - conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; - - conf->upstream.intercept_errors = NGX_CONF_UNSET; - - /* "scgi_cyclic_temp_file" is disabled */ - conf->upstream.cyclic_temp_file = 0; - - conf->upstream.change_buffering = 1; - - ngx_str_set(&conf->upstream.module, "scgi"); - - return conf; -} - - -static char * -ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_scgi_loc_conf_t *prev = parent; - ngx_http_scgi_loc_conf_t *conf = child; - - size_t size; - ngx_int_t rc; - ngx_hash_init_t hash; - ngx_http_core_loc_conf_t *clcf; - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.store > 0) { - conf->upstream.cache = 0; - } - - if (conf->upstream.cache > 0) { - conf->upstream.store = 0; - } - -#endif - - if (conf->upstream.store == NGX_CONF_UNSET) { - ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0); - - conf->upstream.store_lengths = prev->upstream.store_lengths; - conf->upstream.store_values = prev->upstream.store_values; - } - - ngx_conf_merge_uint_value(conf->upstream.store_access, - prev->upstream.store_access, 0600); - - ngx_conf_merge_uint_value(conf->upstream.next_upstream_tries, - prev->upstream.next_upstream_tries, 0); - - ngx_conf_merge_value(conf->upstream.buffering, - prev->upstream.buffering, 1); - - ngx_conf_merge_value(conf->upstream.request_buffering, - prev->upstream.request_buffering, 1); - - ngx_conf_merge_value(conf->upstream.ignore_client_abort, - prev->upstream.ignore_client_abort, 0); - - ngx_conf_merge_value(conf->upstream.force_ranges, - prev->upstream.force_ranges, 0); - - ngx_conf_merge_ptr_value(conf->upstream.local, - prev->upstream.local, NULL); - - ngx_conf_merge_msec_value(conf->upstream.connect_timeout, - prev->upstream.connect_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.send_timeout, - prev->upstream.send_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.read_timeout, - prev->upstream.read_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.next_upstream_timeout, - prev->upstream.next_upstream_timeout, 0); - - ngx_conf_merge_size_value(conf->upstream.send_lowat, - prev->upstream.send_lowat, 0); - - ngx_conf_merge_size_value(conf->upstream.buffer_size, - prev->upstream.buffer_size, - (size_t) ngx_pagesize); - - ngx_conf_merge_size_value(conf->upstream.limit_rate, - prev->upstream.limit_rate, 0); - - - ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, - 8, ngx_pagesize); - - if (conf->upstream.bufs.num < 2) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "there must be at least 2 \"scgi_buffers\""); - return NGX_CONF_ERROR; - } - - - size = conf->upstream.buffer_size; - if (size < conf->upstream.bufs.size) { - size = conf->upstream.bufs.size; - } - - - ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, - prev->upstream.busy_buffers_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.busy_buffers_size = 2 * size; - } else { - conf->upstream.busy_buffers_size = - conf->upstream.busy_buffers_size_conf; - } - - if (conf->upstream.busy_buffers_size < size) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"scgi_busy_buffers_size\" must be equal to or greater " - "than the maximum of the value of \"scgi_buffer_size\" and " - "one of the \"scgi_buffers\""); - - return NGX_CONF_ERROR; - } - - if (conf->upstream.busy_buffers_size - > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"scgi_busy_buffers_size\" must be less than " - "the size of all \"scgi_buffers\" minus one buffer"); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, - prev->upstream.temp_file_write_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.temp_file_write_size = 2 * size; - } else { - conf->upstream.temp_file_write_size = - conf->upstream.temp_file_write_size_conf; - } - - if (conf->upstream.temp_file_write_size < size) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"scgi_temp_file_write_size\" must be equal to or greater than " - "the maximum of the value of \"scgi_buffer_size\" and " - "one of the \"scgi_buffers\""); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, - prev->upstream.max_temp_file_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; - } else { - conf->upstream.max_temp_file_size = - conf->upstream.max_temp_file_size_conf; - } - - if (conf->upstream.max_temp_file_size != 0 - && conf->upstream.max_temp_file_size < size) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"scgi_max_temp_file_size\" must be equal to zero to disable " - "temporary files usage or must be equal to or greater than " - "the maximum of the value of \"scgi_buffer_size\" and " - "one of the \"scgi_buffers\""); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, - prev->upstream.ignore_headers, - NGX_CONF_BITMASK_SET); - - - ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, - prev->upstream.next_upstream, - (NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_ERROR - |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); - - if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { - conf->upstream.next_upstream = NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF; - } - - if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path, - prev->upstream.temp_path, - &ngx_http_scgi_temp_path) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.cache == NGX_CONF_UNSET) { - ngx_conf_merge_value(conf->upstream.cache, - prev->upstream.cache, 0); - - conf->upstream.cache_zone = prev->upstream.cache_zone; - conf->upstream.cache_value = prev->upstream.cache_value; - } - - if (conf->upstream.cache_zone && conf->upstream.cache_zone->data == NULL) { - ngx_shm_zone_t *shm_zone; - - shm_zone = conf->upstream.cache_zone; - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"scgi_cache\" zone \"%V\" is unknown", - &shm_zone->shm.name); - - return NGX_CONF_ERROR; - } - - ngx_conf_merge_uint_value(conf->upstream.cache_min_uses, - prev->upstream.cache_min_uses, 1); - - ngx_conf_merge_off_value(conf->upstream.cache_max_range_offset, - prev->upstream.cache_max_range_offset, - NGX_MAX_OFF_T_VALUE); - - ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale, - prev->upstream.cache_use_stale, - (NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF)); - - if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) { - conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF; - } - - if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_ERROR) { - conf->upstream.cache_use_stale |= NGX_HTTP_UPSTREAM_FT_NOLIVE; - } - - if (conf->upstream.cache_methods == 0) { - conf->upstream.cache_methods = prev->upstream.cache_methods; - } - - conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD; - - ngx_conf_merge_ptr_value(conf->upstream.cache_bypass, - prev->upstream.cache_bypass, NULL); - - ngx_conf_merge_ptr_value(conf->upstream.no_cache, - prev->upstream.no_cache, NULL); - - ngx_conf_merge_ptr_value(conf->upstream.cache_valid, - prev->upstream.cache_valid, NULL); - - if (conf->cache_key.value.data == NULL) { - conf->cache_key = prev->cache_key; - } - - if (conf->upstream.cache && conf->cache_key.value.data == NULL) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "no \"scgi_cache_key\" for \"scgi_cache\""); - } - - ngx_conf_merge_value(conf->upstream.cache_lock, - prev->upstream.cache_lock, 0); - - ngx_conf_merge_msec_value(conf->upstream.cache_lock_timeout, - prev->upstream.cache_lock_timeout, 5000); - - ngx_conf_merge_msec_value(conf->upstream.cache_lock_age, - prev->upstream.cache_lock_age, 5000); - - ngx_conf_merge_value(conf->upstream.cache_revalidate, - prev->upstream.cache_revalidate, 0); - - ngx_conf_merge_value(conf->upstream.cache_background_update, - prev->upstream.cache_background_update, 0); - -#endif - - ngx_conf_merge_value(conf->upstream.pass_request_headers, - prev->upstream.pass_request_headers, 1); - ngx_conf_merge_value(conf->upstream.pass_request_body, - prev->upstream.pass_request_body, 1); - - ngx_conf_merge_value(conf->upstream.intercept_errors, - prev->upstream.intercept_errors, 0); - - hash.max_size = 512; - hash.bucket_size = ngx_align(64, ngx_cacheline_size); - hash.name = "scgi_hide_headers_hash"; - - if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, - &prev->upstream, ngx_http_scgi_hide_headers, &hash) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - - if (clcf->noname - && conf->upstream.upstream == NULL && conf->scgi_lengths == NULL) - { - conf->upstream.upstream = prev->upstream.upstream; - conf->scgi_lengths = prev->scgi_lengths; - conf->scgi_values = prev->scgi_values; - } - - if (clcf->lmt_excpt && clcf->handler == NULL - && (conf->upstream.upstream || conf->scgi_lengths)) - { - clcf->handler = ngx_http_scgi_handler; - } - - if (conf->params_source == NULL) { - conf->params = prev->params; -#if (NGX_HTTP_CACHE) - conf->params_cache = prev->params_cache; -#endif - conf->params_source = prev->params_source; - } - - rc = ngx_http_scgi_init_params(cf, conf, &conf->params, NULL); - if (rc != NGX_OK) { - return NGX_CONF_ERROR; - } - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.cache) { - rc = ngx_http_scgi_init_params(cf, conf, &conf->params_cache, - ngx_http_scgi_cache_headers); - if (rc != NGX_OK) { - return NGX_CONF_ERROR; - } - } - -#endif - - /* - * special handling to preserve conf->params in the "http" section - * to inherit it to all servers - */ - - if (prev->params.hash.buckets == NULL - && conf->params_source == prev->params_source) - { - prev->params = conf->params; -#if (NGX_HTTP_CACHE) - prev->params_cache = conf->params_cache; -#endif - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_scgi_init_params(ngx_conf_t *cf, ngx_http_scgi_loc_conf_t *conf, - ngx_http_scgi_params_t *params, ngx_keyval_t *default_params) -{ - u_char *p; - size_t size; - uintptr_t *code; - ngx_uint_t i, nsrc; - ngx_array_t headers_names, params_merged; - ngx_keyval_t *h; - ngx_hash_key_t *hk; - ngx_hash_init_t hash; - ngx_http_upstream_param_t *src, *s; - ngx_http_script_compile_t sc; - ngx_http_script_copy_code_t *copy; - - if (params->hash.buckets) { - return NGX_OK; - } - - if (conf->params_source == NULL && default_params == NULL) { - params->hash.buckets = (void *) 1; - return NGX_OK; - } - - params->lengths = ngx_array_create(cf->pool, 64, 1); - if (params->lengths == NULL) { - return NGX_ERROR; - } - - params->values = ngx_array_create(cf->pool, 512, 1); - if (params->values == NULL) { - return NGX_ERROR; - } - - if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - if (conf->params_source) { - src = conf->params_source->elts; - nsrc = conf->params_source->nelts; - - } else { - src = NULL; - nsrc = 0; - } - - if (default_params) { - if (ngx_array_init(¶ms_merged, cf->temp_pool, 4, - sizeof(ngx_http_upstream_param_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - for (i = 0; i < nsrc; i++) { - - s = ngx_array_push(¶ms_merged); - if (s == NULL) { - return NGX_ERROR; - } - - *s = src[i]; - } - - h = default_params; - - while (h->key.len) { - - src = params_merged.elts; - nsrc = params_merged.nelts; - - for (i = 0; i < nsrc; i++) { - if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { - goto next; - } - } - - s = ngx_array_push(¶ms_merged); - if (s == NULL) { - return NGX_ERROR; - } - - s->key = h->key; - s->value = h->value; - s->skip_empty = 1; - - next: - - h++; - } - - src = params_merged.elts; - nsrc = params_merged.nelts; - } - - for (i = 0; i < nsrc; i++) { - - if (src[i].key.len > sizeof("HTTP_") - 1 - && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0) - { - hk = ngx_array_push(&headers_names); - if (hk == NULL) { - return NGX_ERROR; - } - - hk->key.len = src[i].key.len - 5; - hk->key.data = src[i].key.data + 5; - hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len); - hk->value = (void *) 1; - - if (src[i].value.len == 0) { - continue; - } - } - - copy = ngx_array_push_n(params->lengths, - sizeof(ngx_http_script_copy_code_t)); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = (ngx_http_script_code_pt) (void *) - ngx_http_script_copy_len_code; - copy->len = src[i].key.len + 1; - - copy = ngx_array_push_n(params->lengths, - sizeof(ngx_http_script_copy_code_t)); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = (ngx_http_script_code_pt) (void *) - ngx_http_script_copy_len_code; - copy->len = src[i].skip_empty; - - - size = (sizeof(ngx_http_script_copy_code_t) - + src[i].key.len + 1 + sizeof(uintptr_t) - 1) - & ~(sizeof(uintptr_t) - 1); - - copy = ngx_array_push_n(params->values, size); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = ngx_http_script_copy_code; - copy->len = src[i].key.len + 1; - - p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); - (void) ngx_cpystrn(p, src[i].key.data, src[i].key.len + 1); - - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &src[i].value; - sc.flushes = ¶ms->flushes; - sc.lengths = ¶ms->lengths; - sc.values = ¶ms->values; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_ERROR; - } - - code = ngx_array_push_n(params->lengths, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - - - code = ngx_array_push_n(params->values, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - } - - code = ngx_array_push_n(params->lengths, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - - params->number = headers_names.nelts; - - hash.hash = ¶ms->hash; - hash.key = ngx_hash_key_lc; - hash.max_size = 512; - hash.bucket_size = 64; - hash.name = "scgi_params_hash"; - hash.pool = cf->pool; - hash.temp_pool = NULL; - - return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts); -} - - -static char * -ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_scgi_loc_conf_t *scf = conf; - - ngx_url_t u; - ngx_str_t *value, *url; - ngx_uint_t n; - ngx_http_core_loc_conf_t *clcf; - ngx_http_script_compile_t sc; - - if (scf->upstream.upstream || scf->scgi_lengths) { - return "is duplicate"; - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - clcf->handler = ngx_http_scgi_handler; - - value = cf->args->elts; - - url = &value[1]; - - n = ngx_http_script_variables_count(url); - - if (n) { - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = url; - sc.lengths = &scf->scgi_lengths; - sc.values = &scf->scgi_values; - sc.variables = n; - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; - } - - ngx_memzero(&u, sizeof(ngx_url_t)); - - u.url = value[1]; - u.no_resolve = 1; - - scf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); - if (scf->upstream.upstream == NULL) { - return NGX_CONF_ERROR; - } - - if (clcf->name.data[clcf->name.len - 1] == '/') { - clcf->auto_redirect = 1; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_scgi_loc_conf_t *scf = conf; - - ngx_str_t *value; - ngx_http_script_compile_t sc; - - if (scf->upstream.store != NGX_CONF_UNSET) { - return "is duplicate"; - } - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "off") == 0) { - scf->upstream.store = 0; - return NGX_CONF_OK; - } - -#if (NGX_HTTP_CACHE) - if (scf->upstream.cache > 0) { - return "is incompatible with \"scgi_cache\""; - } -#endif - - scf->upstream.store = 1; - - if (ngx_strcmp(value[1].data, "on") == 0) { - return NGX_CONF_OK; - } - - /* include the terminating '\0' into script */ - value[1].len++; - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &value[1]; - sc.lengths = &scf->upstream.store_lengths; - sc.values = &scf->upstream.store_values; - sc.variables = ngx_http_script_variables_count(&value[1]); - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -#if (NGX_HTTP_CACHE) - -static char * -ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_scgi_loc_conf_t *scf = conf; - - ngx_str_t *value; - ngx_http_complex_value_t cv; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (scf->upstream.cache != NGX_CONF_UNSET) { - return "is duplicate"; - } - - if (ngx_strcmp(value[1].data, "off") == 0) { - scf->upstream.cache = 0; - return NGX_CONF_OK; - } - - if (scf->upstream.store > 0) { - return "is incompatible with \"scgi_store\""; - } - - scf->upstream.cache = 1; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths != NULL) { - - scf->upstream.cache_value = ngx_palloc(cf->pool, - sizeof(ngx_http_complex_value_t)); - if (scf->upstream.cache_value == NULL) { - return NGX_CONF_ERROR; - } - - *scf->upstream.cache_value = cv; - - return NGX_CONF_OK; - } - - scf->upstream.cache_zone = ngx_shared_memory_add(cf, &value[1], 0, - &ngx_http_scgi_module); - if (scf->upstream.cache_zone == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_scgi_loc_conf_t *scf = conf; - - ngx_str_t *value; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (scf->cache_key.value.data) { - return "is duplicate"; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &scf->cache_key; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - -#endif diff --git a/nginx/src/http/modules/ngx_http_secure_link_module.c b/nginx/src/http/modules/ngx_http_secure_link_module.c deleted file mode 100644 index 536e09a..0000000 --- a/nginx/src/http/modules/ngx_http_secure_link_module.c +++ /dev/null @@ -1,367 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> -#include <ngx_md5.h> - - -typedef struct { - ngx_http_complex_value_t *variable; - ngx_http_complex_value_t *md5; - ngx_str_t secret; -} ngx_http_secure_link_conf_t; - - -typedef struct { - ngx_str_t expires; -} ngx_http_secure_link_ctx_t; - - -static ngx_int_t ngx_http_secure_link_old_variable(ngx_http_request_t *r, - ngx_http_secure_link_conf_t *conf, ngx_http_variable_value_t *v, - uintptr_t data); -static ngx_int_t ngx_http_secure_link_expires_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static void *ngx_http_secure_link_create_conf(ngx_conf_t *cf); -static char *ngx_http_secure_link_merge_conf(ngx_conf_t *cf, void *parent, - void *child); -static ngx_int_t ngx_http_secure_link_add_variables(ngx_conf_t *cf); - - -static ngx_command_t ngx_http_secure_link_commands[] = { - - { ngx_string("secure_link"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_set_complex_value_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_secure_link_conf_t, variable), - NULL }, - - { ngx_string("secure_link_md5"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_set_complex_value_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_secure_link_conf_t, md5), - NULL }, - - { ngx_string("secure_link_secret"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_secure_link_conf_t, secret), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_secure_link_module_ctx = { - ngx_http_secure_link_add_variables, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_secure_link_create_conf, /* create location configuration */ - ngx_http_secure_link_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_secure_link_module = { - NGX_MODULE_V1, - &ngx_http_secure_link_module_ctx, /* module context */ - ngx_http_secure_link_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_str_t ngx_http_secure_link_name = ngx_string("secure_link"); -static ngx_str_t ngx_http_secure_link_expires_name = - ngx_string("secure_link_expires"); - - -static ngx_int_t -ngx_http_secure_link_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p, *last; - ngx_str_t val, hash; - time_t expires; - ngx_md5_t md5; - ngx_http_secure_link_ctx_t *ctx; - ngx_http_secure_link_conf_t *conf; - u_char hash_buf[18], md5_buf[16]; - - conf = ngx_http_get_module_loc_conf(r, ngx_http_secure_link_module); - - if (conf->secret.data) { - return ngx_http_secure_link_old_variable(r, conf, v, data); - } - - if (conf->variable == NULL || conf->md5 == NULL) { - goto not_found; - } - - if (ngx_http_complex_value(r, conf->variable, &val) != NGX_OK) { - return NGX_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "secure link: \"%V\"", &val); - - last = val.data + val.len; - - p = ngx_strlchr(val.data, last, ','); - expires = 0; - - if (p) { - val.len = p++ - val.data; - - expires = ngx_atotm(p, last - p); - if (expires <= 0) { - goto not_found; - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_secure_link_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_secure_link_module); - - ctx->expires.len = last - p; - ctx->expires.data = p; - } - - if (val.len > 24) { - goto not_found; - } - - hash.data = hash_buf; - - if (ngx_decode_base64url(&hash, &val) != NGX_OK) { - goto not_found; - } - - if (hash.len != 16) { - goto not_found; - } - - if (ngx_http_complex_value(r, conf->md5, &val) != NGX_OK) { - return NGX_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "secure link md5: \"%V\"", &val); - - ngx_md5_init(&md5); - ngx_md5_update(&md5, val.data, val.len); - ngx_md5_final(md5_buf, &md5); - - if (ngx_memcmp(hash_buf, md5_buf, 16) != 0) { - goto not_found; - } - - v->data = (u_char *) ((expires && expires < ngx_time()) ? "0" : "1"); - v->len = 1; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - return NGX_OK; - -not_found: - - v->not_found = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_secure_link_old_variable(ngx_http_request_t *r, - ngx_http_secure_link_conf_t *conf, ngx_http_variable_value_t *v, - uintptr_t data) -{ - u_char *p, *start, *end, *last; - size_t len; - ngx_int_t n; - ngx_uint_t i; - ngx_md5_t md5; - u_char hash[16]; - - p = &r->unparsed_uri.data[1]; - last = r->unparsed_uri.data + r->unparsed_uri.len; - - while (p < last) { - if (*p++ == '/') { - start = p; - goto md5_start; - } - } - - goto not_found; - -md5_start: - - while (p < last) { - if (*p++ == '/') { - end = p - 1; - goto url_start; - } - } - - goto not_found; - -url_start: - - len = last - p; - - if (end - start != 32 || len == 0) { - goto not_found; - } - - ngx_md5_init(&md5); - ngx_md5_update(&md5, p, len); - ngx_md5_update(&md5, conf->secret.data, conf->secret.len); - ngx_md5_final(hash, &md5); - - for (i = 0; i < 16; i++) { - n = ngx_hextoi(&start[2 * i], 2); - if (n == NGX_ERROR || n != hash[i]) { - goto not_found; - } - } - - v->len = len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; - -not_found: - - v->not_found = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_secure_link_expires_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_http_secure_link_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_secure_link_module); - - if (ctx) { - v->len = ctx->expires.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = ctx->expires.data; - - } else { - v->not_found = 1; - } - - return NGX_OK; -} - - -static void * -ngx_http_secure_link_create_conf(ngx_conf_t *cf) -{ - ngx_http_secure_link_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_secure_link_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->variable = NULL; - * conf->md5 = NULL; - * conf->secret = { 0, NULL }; - */ - - return conf; -} - - -static char * -ngx_http_secure_link_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_secure_link_conf_t *prev = parent; - ngx_http_secure_link_conf_t *conf = child; - - if (conf->secret.data) { - if (conf->variable || conf->md5) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"secure_link_secret\" cannot be mixed with " - "\"secure_link\" and \"secure_link_md5\""); - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; - } - - if (conf->variable == NULL) { - conf->variable = prev->variable; - } - - if (conf->md5 == NULL) { - conf->md5 = prev->md5; - } - - if (conf->variable == NULL && conf->md5 == NULL) { - conf->secret = prev->secret; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_secure_link_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var; - - var = ngx_http_add_variable(cf, &ngx_http_secure_link_name, 0); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = ngx_http_secure_link_variable; - - var = ngx_http_add_variable(cf, &ngx_http_secure_link_expires_name, 0); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = ngx_http_secure_link_expires_variable; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_slice_filter_module.c b/nginx/src/http/modules/ngx_http_slice_filter_module.c deleted file mode 100644 index c1edbca..0000000 --- a/nginx/src/http/modules/ngx_http_slice_filter_module.c +++ /dev/null @@ -1,545 +0,0 @@ - -/* - * Copyright (C) Roman Arutyunyan - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - size_t size; -} ngx_http_slice_loc_conf_t; - - -typedef struct { - off_t start; - off_t end; - ngx_str_t range; - ngx_str_t etag; - unsigned last:1; - unsigned active:1; - ngx_http_request_t *sr; -} ngx_http_slice_ctx_t; - - -typedef struct { - off_t start; - off_t end; - off_t complete_length; -} ngx_http_slice_content_range_t; - - -static ngx_int_t ngx_http_slice_header_filter(ngx_http_request_t *r); -static ngx_int_t ngx_http_slice_body_filter(ngx_http_request_t *r, - ngx_chain_t *in); -static ngx_int_t ngx_http_slice_parse_content_range(ngx_http_request_t *r, - ngx_http_slice_content_range_t *cr); -static ngx_int_t ngx_http_slice_range_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static off_t ngx_http_slice_get_start(ngx_http_request_t *r); -static void *ngx_http_slice_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_slice_merge_loc_conf(ngx_conf_t *cf, void *parent, - void *child); -static ngx_int_t ngx_http_slice_add_variables(ngx_conf_t *cf); -static ngx_int_t ngx_http_slice_init(ngx_conf_t *cf); - - -static ngx_command_t ngx_http_slice_filter_commands[] = { - - { ngx_string("slice"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_slice_loc_conf_t, size), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_slice_filter_module_ctx = { - ngx_http_slice_add_variables, /* preconfiguration */ - ngx_http_slice_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_slice_create_loc_conf, /* create location configuration */ - ngx_http_slice_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_slice_filter_module = { - NGX_MODULE_V1, - &ngx_http_slice_filter_module_ctx, /* module context */ - ngx_http_slice_filter_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_str_t ngx_http_slice_range_name = ngx_string("slice_range"); - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static ngx_int_t -ngx_http_slice_header_filter(ngx_http_request_t *r) -{ - off_t end; - ngx_int_t rc; - ngx_table_elt_t *h; - ngx_http_slice_ctx_t *ctx; - ngx_http_slice_loc_conf_t *slcf; - ngx_http_slice_content_range_t cr; - - ctx = ngx_http_get_module_ctx(r, ngx_http_slice_filter_module); - if (ctx == NULL) { - return ngx_http_next_header_filter(r); - } - - if (r->headers_out.status != NGX_HTTP_PARTIAL_CONTENT) { - if (r == r->main) { - ngx_http_set_ctx(r, NULL, ngx_http_slice_filter_module); - return ngx_http_next_header_filter(r); - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "unexpected status code %ui in slice response", - r->headers_out.status); - return NGX_ERROR; - } - - h = r->headers_out.etag; - - if (ctx->etag.len) { - if (h == NULL - || h->value.len != ctx->etag.len - || ngx_strncmp(h->value.data, ctx->etag.data, ctx->etag.len) - != 0) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "etag mismatch in slice response"); - return NGX_ERROR; - } - } - - if (h) { - ctx->etag = h->value; - } - - if (ngx_http_slice_parse_content_range(r, &cr) != NGX_OK) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "invalid range in slice response"); - return NGX_ERROR; - } - - if (cr.complete_length == -1) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "no complete length in slice response"); - return NGX_ERROR; - } - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http slice response range: %O-%O/%O", - cr.start, cr.end, cr.complete_length); - - slcf = ngx_http_get_module_loc_conf(r, ngx_http_slice_filter_module); - - end = ngx_min(cr.start + (off_t) slcf->size, cr.complete_length); - - if (cr.start != ctx->start || cr.end != end) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "unexpected range in slice response: %O-%O", - cr.start, cr.end); - return NGX_ERROR; - } - - ctx->start = end; - ctx->active = 1; - - r->headers_out.status = NGX_HTTP_OK; - r->headers_out.status_line.len = 0; - r->headers_out.content_length_n = cr.complete_length; - r->headers_out.content_offset = cr.start; - r->headers_out.content_range->hash = 0; - r->headers_out.content_range = NULL; - - r->allow_ranges = 1; - r->subrequest_ranges = 1; - r->single_range = 1; - - rc = ngx_http_next_header_filter(r); - - if (r != r->main) { - return rc; - } - - r->preserve_body = 1; - - if (r->headers_out.status == NGX_HTTP_PARTIAL_CONTENT) { - if (ctx->start + (off_t) slcf->size <= r->headers_out.content_offset) { - ctx->start = slcf->size - * (r->headers_out.content_offset / slcf->size); - } - - ctx->end = r->headers_out.content_offset - + r->headers_out.content_length_n; - - } else { - ctx->end = cr.complete_length; - } - - return rc; -} - - -static ngx_int_t -ngx_http_slice_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - ngx_int_t rc; - ngx_chain_t *cl; - ngx_http_slice_ctx_t *ctx; - ngx_http_slice_loc_conf_t *slcf; - - ctx = ngx_http_get_module_ctx(r, ngx_http_slice_filter_module); - - if (ctx == NULL || r != r->main) { - return ngx_http_next_body_filter(r, in); - } - - for (cl = in; cl; cl = cl->next) { - if (cl->buf->last_buf) { - cl->buf->last_buf = 0; - cl->buf->last_in_chain = 1; - cl->buf->sync = 1; - ctx->last = 1; - } - } - - rc = ngx_http_next_body_filter(r, in); - - if (rc == NGX_ERROR || !ctx->last) { - return rc; - } - - if (ctx->sr && !ctx->sr->done) { - return rc; - } - - if (!ctx->active) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "missing slice response"); - return NGX_ERROR; - } - - if (ctx->start >= ctx->end) { - ngx_http_set_ctx(r, NULL, ngx_http_slice_filter_module); - ngx_http_send_special(r, NGX_HTTP_LAST); - return rc; - } - - if (r->buffered) { - return rc; - } - - if (ngx_http_subrequest(r, &r->uri, &r->args, &ctx->sr, NULL, - NGX_HTTP_SUBREQUEST_CLONE) - != NGX_OK) - { - return NGX_ERROR; - } - - ngx_http_set_ctx(ctx->sr, ctx, ngx_http_slice_filter_module); - - slcf = ngx_http_get_module_loc_conf(r, ngx_http_slice_filter_module); - - ctx->range.len = ngx_sprintf(ctx->range.data, "bytes=%O-%O", ctx->start, - ctx->start + (off_t) slcf->size - 1) - - ctx->range.data; - - ctx->active = 0; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http slice subrequest: \"%V\"", &ctx->range); - - return rc; -} - - -static ngx_int_t -ngx_http_slice_parse_content_range(ngx_http_request_t *r, - ngx_http_slice_content_range_t *cr) -{ - off_t start, end, complete_length, cutoff, cutlim; - u_char *p; - ngx_table_elt_t *h; - - h = r->headers_out.content_range; - - if (h == NULL - || h->value.len < 7 - || ngx_strncmp(h->value.data, "bytes ", 6) != 0) - { - return NGX_ERROR; - } - - p = h->value.data + 6; - - cutoff = NGX_MAX_OFF_T_VALUE / 10; - cutlim = NGX_MAX_OFF_T_VALUE % 10; - - start = 0; - end = 0; - complete_length = 0; - - while (*p == ' ') { p++; } - - if (*p < '0' || *p > '9') { - return NGX_ERROR; - } - - while (*p >= '0' && *p <= '9') { - if (start >= cutoff && (start > cutoff || *p - '0' > cutlim)) { - return NGX_ERROR; - } - - start = start * 10 + (*p++ - '0'); - } - - while (*p == ' ') { p++; } - - if (*p++ != '-') { - return NGX_ERROR; - } - - while (*p == ' ') { p++; } - - if (*p < '0' || *p > '9') { - return NGX_ERROR; - } - - while (*p >= '0' && *p <= '9') { - if (end >= cutoff && (end > cutoff || *p - '0' > cutlim)) { - return NGX_ERROR; - } - - end = end * 10 + (*p++ - '0'); - } - - end++; - - while (*p == ' ') { p++; } - - if (*p++ != '/') { - return NGX_ERROR; - } - - while (*p == ' ') { p++; } - - if (*p != '*') { - if (*p < '0' || *p > '9') { - return NGX_ERROR; - } - - while (*p >= '0' && *p <= '9') { - if (complete_length >= cutoff - && (complete_length > cutoff || *p - '0' > cutlim)) - { - return NGX_ERROR; - } - - complete_length = complete_length * 10 + (*p++ - '0'); - } - - } else { - complete_length = -1; - p++; - } - - while (*p == ' ') { p++; } - - if (*p != '\0') { - return NGX_ERROR; - } - - cr->start = start; - cr->end = end; - cr->complete_length = complete_length; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_slice_range_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - ngx_http_slice_ctx_t *ctx; - ngx_http_slice_loc_conf_t *slcf; - - ctx = ngx_http_get_module_ctx(r, ngx_http_slice_filter_module); - - if (ctx == NULL) { - if (r != r->main || r->headers_out.status) { - v->not_found = 1; - return NGX_OK; - } - - slcf = ngx_http_get_module_loc_conf(r, ngx_http_slice_filter_module); - - if (slcf->size == 0) { - v->not_found = 1; - return NGX_OK; - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_slice_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_slice_filter_module); - - p = ngx_pnalloc(r->pool, sizeof("bytes=-") - 1 + 2 * NGX_OFF_T_LEN); - if (p == NULL) { - return NGX_ERROR; - } - - ctx->start = slcf->size * (ngx_http_slice_get_start(r) / slcf->size); - - ctx->range.data = p; - ctx->range.len = ngx_sprintf(p, "bytes=%O-%O", ctx->start, - ctx->start + (off_t) slcf->size - 1) - - p; - } - - v->data = ctx->range.data; - v->valid = 1; - v->not_found = 0; - v->no_cacheable = 1; - v->len = ctx->range.len; - - return NGX_OK; -} - - -static off_t -ngx_http_slice_get_start(ngx_http_request_t *r) -{ - off_t start, cutoff, cutlim; - u_char *p; - ngx_table_elt_t *h; - - if (r->headers_in.if_range) { - return 0; - } - - h = r->headers_in.range; - - if (h == NULL - || h->value.len < 7 - || ngx_strncasecmp(h->value.data, (u_char *) "bytes=", 6) != 0) - { - return 0; - } - - p = h->value.data + 6; - - if (ngx_strchr(p, ',')) { - return 0; - } - - while (*p == ' ') { p++; } - - if (*p == '-') { - return 0; - } - - cutoff = NGX_MAX_OFF_T_VALUE / 10; - cutlim = NGX_MAX_OFF_T_VALUE % 10; - - start = 0; - - while (*p >= '0' && *p <= '9') { - if (start >= cutoff && (start > cutoff || *p - '0' > cutlim)) { - return 0; - } - - start = start * 10 + (*p++ - '0'); - } - - return start; -} - - -static void * -ngx_http_slice_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_slice_loc_conf_t *slcf; - - slcf = ngx_palloc(cf->pool, sizeof(ngx_http_slice_loc_conf_t)); - if (slcf == NULL) { - return NULL; - } - - slcf->size = NGX_CONF_UNSET_SIZE; - - return slcf; -} - - -static char * -ngx_http_slice_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_slice_loc_conf_t *prev = parent; - ngx_http_slice_loc_conf_t *conf = child; - - ngx_conf_merge_size_value(conf->size, prev->size, 0); - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_slice_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var; - - var = ngx_http_add_variable(cf, &ngx_http_slice_range_name, 0); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = ngx_http_slice_range_variable; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_slice_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_slice_header_filter; - - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_slice_body_filter; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_split_clients_module.c b/nginx/src/http/modules/ngx_http_split_clients_module.c deleted file mode 100644 index 2f92c9e..0000000 --- a/nginx/src/http/modules/ngx_http_split_clients_module.c +++ /dev/null @@ -1,246 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - uint32_t percent; - ngx_http_variable_value_t value; -} ngx_http_split_clients_part_t; - - -typedef struct { - ngx_http_complex_value_t value; - ngx_array_t parts; -} ngx_http_split_clients_ctx_t; - - -static char *ngx_conf_split_clients_block(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_split_clients(ngx_conf_t *cf, ngx_command_t *dummy, - void *conf); - -static ngx_command_t ngx_http_split_clients_commands[] = { - - { ngx_string("split_clients"), - NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE2, - ngx_conf_split_clients_block, - NGX_HTTP_MAIN_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_split_clients_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_split_clients_module = { - NGX_MODULE_V1, - &ngx_http_split_clients_module_ctx, /* module context */ - ngx_http_split_clients_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_split_clients_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_http_split_clients_ctx_t *ctx = (ngx_http_split_clients_ctx_t *) data; - - uint32_t hash; - ngx_str_t val; - ngx_uint_t i; - ngx_http_split_clients_part_t *part; - - *v = ngx_http_variable_null_value; - - if (ngx_http_complex_value(r, &ctx->value, &val) != NGX_OK) { - return NGX_OK; - } - - hash = ngx_murmur_hash2(val.data, val.len); - - part = ctx->parts.elts; - - for (i = 0; i < ctx->parts.nelts; i++) { - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http split: %uD %uD", hash, part[i].percent); - - if (hash < part[i].percent || part[i].percent == 0) { - *v = part[i].value; - return NGX_OK; - } - } - - return NGX_OK; -} - - -static char * -ngx_conf_split_clients_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - char *rv; - uint32_t sum, last; - ngx_str_t *value, name; - ngx_uint_t i; - ngx_conf_t save; - ngx_http_variable_t *var; - ngx_http_split_clients_ctx_t *ctx; - ngx_http_split_clients_part_t *part; - ngx_http_compile_complex_value_t ccv; - - ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_split_clients_ctx_t)); - if (ctx == NULL) { - return NGX_CONF_ERROR; - } - - value = cf->args->elts; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &ctx->value; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - name = value[2]; - - if (name.data[0] != '$') { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid variable name \"%V\"", &name); - return NGX_CONF_ERROR; - } - - name.len--; - name.data++; - - var = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); - if (var == NULL) { - return NGX_CONF_ERROR; - } - - var->get_handler = ngx_http_split_clients_variable; - var->data = (uintptr_t) ctx; - - if (ngx_array_init(&ctx->parts, cf->pool, 2, - sizeof(ngx_http_split_clients_part_t)) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - save = *cf; - cf->ctx = ctx; - cf->handler = ngx_http_split_clients; - cf->handler_conf = conf; - - rv = ngx_conf_parse(cf, NULL); - - *cf = save; - - if (rv != NGX_CONF_OK) { - return rv; - } - - sum = 0; - last = 0; - part = ctx->parts.elts; - - for (i = 0; i < ctx->parts.nelts; i++) { - sum = part[i].percent ? sum + part[i].percent : 10000; - if (sum > 10000) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "percent total is greater than 100%%"); - return NGX_CONF_ERROR; - } - - if (part[i].percent) { - last += part[i].percent * (uint64_t) 0xffffffff / 10000; - part[i].percent = last; - } - } - - return rv; -} - - -static char * -ngx_http_split_clients(ngx_conf_t *cf, ngx_command_t *dummy, void *conf) -{ - ngx_int_t n; - ngx_str_t *value; - ngx_http_split_clients_ctx_t *ctx; - ngx_http_split_clients_part_t *part; - - ctx = cf->ctx; - value = cf->args->elts; - - part = ngx_array_push(&ctx->parts); - if (part == NULL) { - return NGX_CONF_ERROR; - } - - if (value[0].len == 1 && value[0].data[0] == '*') { - part->percent = 0; - - } else { - if (value[0].len == 0 || value[0].data[value[0].len - 1] != '%') { - goto invalid; - } - - n = ngx_atofp(value[0].data, value[0].len - 1, 2); - if (n == NGX_ERROR || n == 0) { - goto invalid; - } - - part->percent = (uint32_t) n; - } - - part->value.len = value[1].len; - part->value.valid = 1; - part->value.no_cacheable = 0; - part->value.not_found = 0; - part->value.data = value[1].data; - - return NGX_CONF_OK; - -invalid: - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid percent value \"%V\"", &value[0]); - return NGX_CONF_ERROR; -} diff --git a/nginx/src/http/modules/ngx_http_ssi_filter_module.c b/nginx/src/http/modules/ngx_http_ssi_filter_module.c deleted file mode 100644 index d608df9..0000000 --- a/nginx/src/http/modules/ngx_http_ssi_filter_module.c +++ /dev/null @@ -1,2933 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - -#define NGX_HTTP_SSI_ERROR 1 - -#define NGX_HTTP_SSI_DATE_LEN 2048 - -#define NGX_HTTP_SSI_ADD_PREFIX 1 -#define NGX_HTTP_SSI_ADD_ZERO 2 - - -typedef struct { - ngx_flag_t enable; - ngx_flag_t silent_errors; - ngx_flag_t ignore_recycled_buffers; - ngx_flag_t last_modified; - - ngx_hash_t types; - - size_t min_file_chunk; - size_t value_len; - - ngx_array_t *types_keys; -} ngx_http_ssi_loc_conf_t; - - -typedef struct { - ngx_str_t name; - ngx_uint_t key; - ngx_str_t value; -} ngx_http_ssi_var_t; - - -typedef struct { - ngx_str_t name; - ngx_chain_t *bufs; - ngx_uint_t count; -} ngx_http_ssi_block_t; - - -typedef enum { - ssi_start_state = 0, - ssi_tag_state, - ssi_comment0_state, - ssi_comment1_state, - ssi_sharp_state, - ssi_precommand_state, - ssi_command_state, - ssi_preparam_state, - ssi_param_state, - ssi_preequal_state, - ssi_prevalue_state, - ssi_double_quoted_value_state, - ssi_quoted_value_state, - ssi_quoted_symbol_state, - ssi_postparam_state, - ssi_comment_end0_state, - ssi_comment_end1_state, - ssi_error_state, - ssi_error_end0_state, - ssi_error_end1_state -} ngx_http_ssi_state_e; - - -static ngx_int_t ngx_http_ssi_output(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx); -static void ngx_http_ssi_buffered(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx); -static ngx_int_t ngx_http_ssi_parse(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx); -static ngx_str_t *ngx_http_ssi_get_variable(ngx_http_request_t *r, - ngx_str_t *name, ngx_uint_t key); -static ngx_int_t ngx_http_ssi_evaluate_string(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx, ngx_str_t *text, ngx_uint_t flags); -static ngx_int_t ngx_http_ssi_regex_match(ngx_http_request_t *r, - ngx_str_t *pattern, ngx_str_t *str); - -static ngx_int_t ngx_http_ssi_include(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx, ngx_str_t **params); -static ngx_int_t ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data, - ngx_int_t rc); -static ngx_int_t ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data, - ngx_int_t rc); -static ngx_int_t ngx_http_ssi_echo(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx, ngx_str_t **params); -static ngx_int_t ngx_http_ssi_config(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx, ngx_str_t **params); -static ngx_int_t ngx_http_ssi_set(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx, ngx_str_t **params); -static ngx_int_t ngx_http_ssi_if(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx, ngx_str_t **params); -static ngx_int_t ngx_http_ssi_else(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx, ngx_str_t **params); -static ngx_int_t ngx_http_ssi_endif(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx, ngx_str_t **params); -static ngx_int_t ngx_http_ssi_block(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx, ngx_str_t **params); -static ngx_int_t ngx_http_ssi_endblock(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx, ngx_str_t **params); - -static ngx_int_t ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t gmt); - -static ngx_int_t ngx_http_ssi_preconfiguration(ngx_conf_t *cf); -static void *ngx_http_ssi_create_main_conf(ngx_conf_t *cf); -static char *ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf); -static void *ngx_http_ssi_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); -static ngx_int_t ngx_http_ssi_filter_init(ngx_conf_t *cf); - - -static ngx_command_t ngx_http_ssi_filter_commands[] = { - - { ngx_string("ssi"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_ssi_loc_conf_t, enable), - NULL }, - - { ngx_string("ssi_silent_errors"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_ssi_loc_conf_t, silent_errors), - NULL }, - - { ngx_string("ssi_ignore_recycled_buffers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_ssi_loc_conf_t, ignore_recycled_buffers), - NULL }, - - { ngx_string("ssi_min_file_chunk"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_ssi_loc_conf_t, min_file_chunk), - NULL }, - - { ngx_string("ssi_value_length"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_ssi_loc_conf_t, value_len), - NULL }, - - { ngx_string("ssi_types"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_types_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_ssi_loc_conf_t, types_keys), - &ngx_http_html_default_types[0] }, - - { ngx_string("ssi_last_modified"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_ssi_loc_conf_t, last_modified), - NULL }, - - ngx_null_command -}; - - - -static ngx_http_module_t ngx_http_ssi_filter_module_ctx = { - ngx_http_ssi_preconfiguration, /* preconfiguration */ - ngx_http_ssi_filter_init, /* postconfiguration */ - - ngx_http_ssi_create_main_conf, /* create main configuration */ - ngx_http_ssi_init_main_conf, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_ssi_create_loc_conf, /* create location configuration */ - ngx_http_ssi_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_ssi_filter_module = { - NGX_MODULE_V1, - &ngx_http_ssi_filter_module_ctx, /* module context */ - ngx_http_ssi_filter_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static u_char ngx_http_ssi_string[] = "<!--"; - -static ngx_str_t ngx_http_ssi_none = ngx_string("(none)"); -static ngx_str_t ngx_http_ssi_timefmt = ngx_string("%A, %d-%b-%Y %H:%M:%S %Z"); -static ngx_str_t ngx_http_ssi_null_string = ngx_null_string; - - -#define NGX_HTTP_SSI_INCLUDE_VIRTUAL 0 -#define NGX_HTTP_SSI_INCLUDE_FILE 1 -#define NGX_HTTP_SSI_INCLUDE_WAIT 2 -#define NGX_HTTP_SSI_INCLUDE_SET 3 -#define NGX_HTTP_SSI_INCLUDE_STUB 4 - -#define NGX_HTTP_SSI_ECHO_VAR 0 -#define NGX_HTTP_SSI_ECHO_DEFAULT 1 -#define NGX_HTTP_SSI_ECHO_ENCODING 2 - -#define NGX_HTTP_SSI_CONFIG_ERRMSG 0 -#define NGX_HTTP_SSI_CONFIG_TIMEFMT 1 - -#define NGX_HTTP_SSI_SET_VAR 0 -#define NGX_HTTP_SSI_SET_VALUE 1 - -#define NGX_HTTP_SSI_IF_EXPR 0 - -#define NGX_HTTP_SSI_BLOCK_NAME 0 - - -static ngx_http_ssi_param_t ngx_http_ssi_include_params[] = { - { ngx_string("virtual"), NGX_HTTP_SSI_INCLUDE_VIRTUAL, 0, 0 }, - { ngx_string("file"), NGX_HTTP_SSI_INCLUDE_FILE, 0, 0 }, - { ngx_string("wait"), NGX_HTTP_SSI_INCLUDE_WAIT, 0, 0 }, - { ngx_string("set"), NGX_HTTP_SSI_INCLUDE_SET, 0, 0 }, - { ngx_string("stub"), NGX_HTTP_SSI_INCLUDE_STUB, 0, 0 }, - { ngx_null_string, 0, 0, 0 } -}; - - -static ngx_http_ssi_param_t ngx_http_ssi_echo_params[] = { - { ngx_string("var"), NGX_HTTP_SSI_ECHO_VAR, 1, 0 }, - { ngx_string("default"), NGX_HTTP_SSI_ECHO_DEFAULT, 0, 0 }, - { ngx_string("encoding"), NGX_HTTP_SSI_ECHO_ENCODING, 0, 0 }, - { ngx_null_string, 0, 0, 0 } -}; - - -static ngx_http_ssi_param_t ngx_http_ssi_config_params[] = { - { ngx_string("errmsg"), NGX_HTTP_SSI_CONFIG_ERRMSG, 0, 0 }, - { ngx_string("timefmt"), NGX_HTTP_SSI_CONFIG_TIMEFMT, 0, 0 }, - { ngx_null_string, 0, 0, 0 } -}; - - -static ngx_http_ssi_param_t ngx_http_ssi_set_params[] = { - { ngx_string("var"), NGX_HTTP_SSI_SET_VAR, 1, 0 }, - { ngx_string("value"), NGX_HTTP_SSI_SET_VALUE, 1, 0 }, - { ngx_null_string, 0, 0, 0 } -}; - - -static ngx_http_ssi_param_t ngx_http_ssi_if_params[] = { - { ngx_string("expr"), NGX_HTTP_SSI_IF_EXPR, 1, 0 }, - { ngx_null_string, 0, 0, 0 } -}; - - -static ngx_http_ssi_param_t ngx_http_ssi_block_params[] = { - { ngx_string("name"), NGX_HTTP_SSI_BLOCK_NAME, 1, 0 }, - { ngx_null_string, 0, 0, 0 } -}; - - -static ngx_http_ssi_param_t ngx_http_ssi_no_params[] = { - { ngx_null_string, 0, 0, 0 } -}; - - -static ngx_http_ssi_command_t ngx_http_ssi_commands[] = { - { ngx_string("include"), ngx_http_ssi_include, - ngx_http_ssi_include_params, 0, 0, 1 }, - { ngx_string("echo"), ngx_http_ssi_echo, - ngx_http_ssi_echo_params, 0, 0, 0 }, - { ngx_string("config"), ngx_http_ssi_config, - ngx_http_ssi_config_params, 0, 0, 0 }, - { ngx_string("set"), ngx_http_ssi_set, ngx_http_ssi_set_params, 0, 0, 0 }, - - { ngx_string("if"), ngx_http_ssi_if, ngx_http_ssi_if_params, 0, 0, 0 }, - { ngx_string("elif"), ngx_http_ssi_if, ngx_http_ssi_if_params, - NGX_HTTP_SSI_COND_IF, 0, 0 }, - { ngx_string("else"), ngx_http_ssi_else, ngx_http_ssi_no_params, - NGX_HTTP_SSI_COND_IF, 0, 0 }, - { ngx_string("endif"), ngx_http_ssi_endif, ngx_http_ssi_no_params, - NGX_HTTP_SSI_COND_ELSE, 0, 0 }, - - { ngx_string("block"), ngx_http_ssi_block, - ngx_http_ssi_block_params, 0, 0, 0 }, - { ngx_string("endblock"), ngx_http_ssi_endblock, - ngx_http_ssi_no_params, 0, 1, 0 }, - - { ngx_null_string, NULL, NULL, 0, 0, 0 } -}; - - -static ngx_http_variable_t ngx_http_ssi_vars[] = { - - { ngx_string("date_local"), NULL, ngx_http_ssi_date_gmt_local_variable, 0, - NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("date_gmt"), NULL, ngx_http_ssi_date_gmt_local_variable, 1, - NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - ngx_http_null_variable -}; - - - -static ngx_int_t -ngx_http_ssi_header_filter(ngx_http_request_t *r) -{ - ngx_http_ssi_ctx_t *ctx; - ngx_http_ssi_loc_conf_t *slcf; - - slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module); - - if (!slcf->enable - || r->headers_out.content_length_n == 0 - || ngx_http_test_content_type(r, &slcf->types) == NULL) - { - return ngx_http_next_header_filter(r); - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_ssi_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_ssi_filter_module); - - - ctx->value_len = slcf->value_len; - ctx->last_out = &ctx->out; - - ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING; - ctx->output = 1; - - ctx->params.elts = ctx->params_array; - ctx->params.size = sizeof(ngx_table_elt_t); - ctx->params.nalloc = NGX_HTTP_SSI_PARAMS_N; - ctx->params.pool = r->pool; - - ctx->timefmt = ngx_http_ssi_timefmt; - ngx_str_set(&ctx->errmsg, - "[an error occurred while processing the directive]"); - - r->filter_need_in_memory = 1; - - if (r == r->main) { - ngx_http_clear_content_length(r); - ngx_http_clear_accept_ranges(r); - - r->preserve_body = 1; - - if (!slcf->last_modified) { - ngx_http_clear_last_modified(r); - ngx_http_clear_etag(r); - - } else { - ngx_http_weak_etag(r); - } - } - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - size_t len; - ngx_int_t rc; - ngx_buf_t *b; - ngx_uint_t i, index; - ngx_chain_t *cl, **ll; - ngx_table_elt_t *param; - ngx_http_ssi_ctx_t *ctx, *mctx; - ngx_http_ssi_block_t *bl; - ngx_http_ssi_param_t *prm; - ngx_http_ssi_command_t *cmd; - ngx_http_ssi_loc_conf_t *slcf; - ngx_http_ssi_main_conf_t *smcf; - ngx_str_t *params[NGX_HTTP_SSI_MAX_PARAMS + 1]; - - ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module); - - if (ctx == NULL - || (in == NULL - && ctx->buf == NULL - && ctx->in == NULL - && ctx->busy == NULL)) - { - return ngx_http_next_body_filter(r, in); - } - - /* add the incoming chain to the chain ctx->in */ - - if (in) { - if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) { - return NGX_ERROR; - } - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http ssi filter \"%V?%V\"", &r->uri, &r->args); - - if (ctx->wait) { - - if (r != r->connection->data) { - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http ssi filter wait \"%V?%V\" non-active", - &ctx->wait->uri, &ctx->wait->args); - - return NGX_AGAIN; - } - - if (ctx->wait->done) { - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http ssi filter wait \"%V?%V\" done", - &ctx->wait->uri, &ctx->wait->args); - - ctx->wait = NULL; - - } else { - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http ssi filter wait \"%V?%V\"", - &ctx->wait->uri, &ctx->wait->args); - - return ngx_http_next_body_filter(r, NULL); - } - } - - slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module); - - while (ctx->in || ctx->buf) { - - if (ctx->buf == NULL) { - ctx->buf = ctx->in->buf; - ctx->in = ctx->in->next; - ctx->pos = ctx->buf->pos; - } - - if (ctx->state == ssi_start_state) { - ctx->copy_start = ctx->pos; - ctx->copy_end = ctx->pos; - } - - b = NULL; - - while (ctx->pos < ctx->buf->last) { - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "saved: %uz state: %ui", ctx->saved, ctx->state); - - rc = ngx_http_ssi_parse(r, ctx); - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "parse: %i, looked: %uz %p-%p", - rc, ctx->looked, ctx->copy_start, ctx->copy_end); - - if (rc == NGX_ERROR) { - return rc; - } - - if (ctx->copy_start != ctx->copy_end) { - - if (ctx->output) { - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "saved: %uz", ctx->saved); - - if (ctx->saved) { - - if (ctx->free) { - cl = ctx->free; - ctx->free = ctx->free->next; - b = cl->buf; - ngx_memzero(b, sizeof(ngx_buf_t)); - - } else { - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - } - - b->memory = 1; - b->pos = ngx_http_ssi_string; - b->last = ngx_http_ssi_string + ctx->saved; - - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - ctx->saved = 0; - } - - if (ctx->free) { - cl = ctx->free; - ctx->free = ctx->free->next; - b = cl->buf; - - } else { - b = ngx_alloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - } - - ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t)); - - b->pos = ctx->copy_start; - b->last = ctx->copy_end; - b->shadow = NULL; - b->last_buf = 0; - b->recycled = 0; - - if (b->in_file) { - if (slcf->min_file_chunk < (size_t) (b->last - b->pos)) - { - b->file_last = b->file_pos - + (b->last - ctx->buf->pos); - b->file_pos += b->pos - ctx->buf->pos; - - } else { - b->in_file = 0; - } - } - - cl->next = NULL; - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - } else { - if (ctx->block - && ctx->saved + (ctx->copy_end - ctx->copy_start)) - { - b = ngx_create_temp_buf(r->pool, - ctx->saved + (ctx->copy_end - ctx->copy_start)); - - if (b == NULL) { - return NGX_ERROR; - } - - if (ctx->saved) { - b->last = ngx_cpymem(b->pos, ngx_http_ssi_string, - ctx->saved); - } - - b->last = ngx_cpymem(b->last, ctx->copy_start, - ctx->copy_end - ctx->copy_start); - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - cl->next = NULL; - - b = NULL; - - mctx = ngx_http_get_module_ctx(r->main, - ngx_http_ssi_filter_module); - bl = mctx->blocks->elts; - for (ll = &bl[mctx->blocks->nelts - 1].bufs; - *ll; - ll = &(*ll)->next) - { - /* void */ - } - - *ll = cl; - } - - ctx->saved = 0; - } - } - - if (ctx->state == ssi_start_state) { - ctx->copy_start = ctx->pos; - ctx->copy_end = ctx->pos; - - } else { - ctx->copy_start = NULL; - ctx->copy_end = NULL; - } - - if (rc == NGX_AGAIN) { - continue; - } - - - b = NULL; - - if (rc == NGX_OK) { - - smcf = ngx_http_get_module_main_conf(r, - ngx_http_ssi_filter_module); - - cmd = ngx_hash_find(&smcf->hash, ctx->key, ctx->command.data, - ctx->command.len); - - if (cmd == NULL) { - if (ctx->output) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "invalid SSI command: \"%V\"", - &ctx->command); - goto ssi_error; - } - - continue; - } - - if (!ctx->output && !cmd->block) { - - if (ctx->block) { - - /* reconstruct the SSI command text */ - - len = 5 + ctx->command.len + 4; - - param = ctx->params.elts; - for (i = 0; i < ctx->params.nelts; i++) { - len += 1 + param[i].key.len + 2 - + param[i].value.len + 1; - } - - b = ngx_create_temp_buf(r->pool, len); - - if (b == NULL) { - return NGX_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - cl->next = NULL; - - *b->last++ = '<'; - *b->last++ = '!'; - *b->last++ = '-'; - *b->last++ = '-'; - *b->last++ = '#'; - - b->last = ngx_cpymem(b->last, ctx->command.data, - ctx->command.len); - - for (i = 0; i < ctx->params.nelts; i++) { - *b->last++ = ' '; - b->last = ngx_cpymem(b->last, param[i].key.data, - param[i].key.len); - *b->last++ = '='; - *b->last++ = '"'; - b->last = ngx_cpymem(b->last, param[i].value.data, - param[i].value.len); - *b->last++ = '"'; - } - - *b->last++ = ' '; - *b->last++ = '-'; - *b->last++ = '-'; - *b->last++ = '>'; - - mctx = ngx_http_get_module_ctx(r->main, - ngx_http_ssi_filter_module); - bl = mctx->blocks->elts; - for (ll = &bl[mctx->blocks->nelts - 1].bufs; - *ll; - ll = &(*ll)->next) - { - /* void */ - } - - *ll = cl; - - b = NULL; - - continue; - } - - if (cmd->conditional == 0) { - continue; - } - } - - if (cmd->conditional - && (ctx->conditional == 0 - || ctx->conditional > cmd->conditional)) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "invalid context of SSI command: \"%V\"", - &ctx->command); - goto ssi_error; - } - - if (ctx->params.nelts > NGX_HTTP_SSI_MAX_PARAMS) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "too many SSI command parameters: \"%V\"", - &ctx->command); - goto ssi_error; - } - - ngx_memzero(params, - (NGX_HTTP_SSI_MAX_PARAMS + 1) * sizeof(ngx_str_t *)); - - param = ctx->params.elts; - - for (i = 0; i < ctx->params.nelts; i++) { - - for (prm = cmd->params; prm->name.len; prm++) { - - if (param[i].key.len != prm->name.len - || ngx_strncmp(param[i].key.data, prm->name.data, - prm->name.len) != 0) - { - continue; - } - - if (!prm->multiple) { - if (params[prm->index]) { - ngx_log_error(NGX_LOG_ERR, - r->connection->log, 0, - "duplicate \"%V\" parameter " - "in \"%V\" SSI command", - ¶m[i].key, &ctx->command); - - goto ssi_error; - } - - params[prm->index] = ¶m[i].value; - - break; - } - - for (index = prm->index; params[index]; index++) { - /* void */ - } - - params[index] = ¶m[i].value; - - break; - } - - if (prm->name.len == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "invalid parameter name: \"%V\" " - "in \"%V\" SSI command", - ¶m[i].key, &ctx->command); - - goto ssi_error; - } - } - - for (prm = cmd->params; prm->name.len; prm++) { - if (prm->mandatory && params[prm->index] == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "mandatory \"%V\" parameter is absent " - "in \"%V\" SSI command", - &prm->name, &ctx->command); - - goto ssi_error; - } - } - - if (cmd->flush && ctx->out) { - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "ssi flush"); - - if (ngx_http_ssi_output(r, ctx) == NGX_ERROR) { - return NGX_ERROR; - } - } - - rc = cmd->handler(r, ctx, params); - - if (rc == NGX_OK) { - continue; - } - - if (rc == NGX_DONE || rc == NGX_AGAIN || rc == NGX_ERROR) { - ngx_http_ssi_buffered(r, ctx); - return rc; - } - } - - - /* rc == NGX_HTTP_SSI_ERROR */ - - ssi_error: - - if (slcf->silent_errors) { - continue; - } - - if (ctx->free) { - cl = ctx->free; - ctx->free = ctx->free->next; - b = cl->buf; - ngx_memzero(b, sizeof(ngx_buf_t)); - - } else { - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - } - - b->memory = 1; - b->pos = ctx->errmsg.data; - b->last = ctx->errmsg.data + ctx->errmsg.len; - - cl->next = NULL; - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - continue; - } - - if (ctx->buf->last_buf || ngx_buf_in_memory(ctx->buf)) { - if (b == NULL) { - if (ctx->free) { - cl = ctx->free; - ctx->free = ctx->free->next; - b = cl->buf; - ngx_memzero(b, sizeof(ngx_buf_t)); - - } else { - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - } - - b->sync = 1; - - cl->next = NULL; - *ctx->last_out = cl; - ctx->last_out = &cl->next; - } - - b->last_buf = ctx->buf->last_buf; - b->shadow = ctx->buf; - - if (slcf->ignore_recycled_buffers == 0) { - b->recycled = ctx->buf->recycled; - } - } - - ctx->buf = NULL; - - ctx->saved = ctx->looked; - } - - if (ctx->out == NULL && ctx->busy == NULL) { - return NGX_OK; - } - - return ngx_http_ssi_output(r, ctx); -} - - -static ngx_int_t -ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx) -{ - ngx_int_t rc; - ngx_buf_t *b; - ngx_chain_t *cl; - -#if 1 - b = NULL; - for (cl = ctx->out; cl; cl = cl->next) { - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "ssi out: %p %p", cl->buf, cl->buf->pos); - if (cl->buf == b) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "the same buf was used in ssi"); - ngx_debug_point(); - return NGX_ERROR; - } - b = cl->buf; - } -#endif - - rc = ngx_http_next_body_filter(r, ctx->out); - - if (ctx->busy == NULL) { - ctx->busy = ctx->out; - - } else { - for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ } - cl->next = ctx->out; - } - - ctx->out = NULL; - ctx->last_out = &ctx->out; - - while (ctx->busy) { - - cl = ctx->busy; - b = cl->buf; - - if (ngx_buf_size(b) != 0) { - break; - } - - if (b->shadow) { - b->shadow->pos = b->shadow->last; - } - - ctx->busy = cl->next; - - if (ngx_buf_in_memory(b) || b->in_file) { - /* add data bufs only to the free buf chain */ - - cl->next = ctx->free; - ctx->free = cl; - } - } - - ngx_http_ssi_buffered(r, ctx); - - return rc; -} - - -static void -ngx_http_ssi_buffered(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx) -{ - if (ctx->in || ctx->buf) { - r->buffered |= NGX_HTTP_SSI_BUFFERED; - - } else { - r->buffered &= ~NGX_HTTP_SSI_BUFFERED; - } -} - - -static ngx_int_t -ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx) -{ - u_char *p, *value, *last, *copy_end, ch; - size_t looked; - ngx_http_ssi_state_e state; - - state = ctx->state; - looked = ctx->looked; - last = ctx->buf->last; - copy_end = ctx->copy_end; - - for (p = ctx->pos; p < last; p++) { - - ch = *p; - - if (state == ssi_start_state) { - - /* the tight loop */ - - for ( ;; ) { - if (ch == '<') { - copy_end = p; - looked = 1; - state = ssi_tag_state; - - goto tag_started; - } - - if (++p == last) { - break; - } - - ch = *p; - } - - ctx->state = state; - ctx->pos = p; - ctx->looked = looked; - ctx->copy_end = p; - - if (ctx->copy_start == NULL) { - ctx->copy_start = ctx->buf->pos; - } - - return NGX_AGAIN; - - tag_started: - - continue; - } - - switch (state) { - - case ssi_start_state: - /* not reached */ - break; - - case ssi_tag_state: - switch (ch) { - case '!': - looked = 2; - state = ssi_comment0_state; - break; - - case '<': - copy_end = p; - break; - - default: - copy_end = p; - looked = 0; - state = ssi_start_state; - break; - } - - break; - - case ssi_comment0_state: - switch (ch) { - case '-': - looked = 3; - state = ssi_comment1_state; - break; - - case '<': - copy_end = p; - looked = 1; - state = ssi_tag_state; - break; - - default: - copy_end = p; - looked = 0; - state = ssi_start_state; - break; - } - - break; - - case ssi_comment1_state: - switch (ch) { - case '-': - looked = 4; - state = ssi_sharp_state; - break; - - case '<': - copy_end = p; - looked = 1; - state = ssi_tag_state; - break; - - default: - copy_end = p; - looked = 0; - state = ssi_start_state; - break; - } - - break; - - case ssi_sharp_state: - switch (ch) { - case '#': - if (p - ctx->pos < 4) { - ctx->saved = 0; - } - looked = 0; - state = ssi_precommand_state; - break; - - case '<': - copy_end = p; - looked = 1; - state = ssi_tag_state; - break; - - default: - copy_end = p; - looked = 0; - state = ssi_start_state; - break; - } - - break; - - case ssi_precommand_state: - switch (ch) { - case ' ': - case CR: - case LF: - case '\t': - break; - - default: - ctx->command.len = 1; - ctx->command.data = ngx_pnalloc(r->pool, - NGX_HTTP_SSI_COMMAND_LEN); - if (ctx->command.data == NULL) { - return NGX_ERROR; - } - - ctx->command.data[0] = ch; - - ctx->key = 0; - ctx->key = ngx_hash(ctx->key, ch); - - ctx->params.nelts = 0; - - state = ssi_command_state; - break; - } - - break; - - case ssi_command_state: - switch (ch) { - case ' ': - case CR: - case LF: - case '\t': - state = ssi_preparam_state; - break; - - case '-': - state = ssi_comment_end0_state; - break; - - default: - if (ctx->command.len == NGX_HTTP_SSI_COMMAND_LEN) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "the \"%V%c...\" SSI command is too long", - &ctx->command, ch); - - state = ssi_error_state; - break; - } - - ctx->command.data[ctx->command.len++] = ch; - ctx->key = ngx_hash(ctx->key, ch); - } - - break; - - case ssi_preparam_state: - switch (ch) { - case ' ': - case CR: - case LF: - case '\t': - break; - - case '-': - state = ssi_comment_end0_state; - break; - - default: - ctx->param = ngx_array_push(&ctx->params); - if (ctx->param == NULL) { - return NGX_ERROR; - } - - ctx->param->key.len = 1; - ctx->param->key.data = ngx_pnalloc(r->pool, - NGX_HTTP_SSI_PARAM_LEN); - if (ctx->param->key.data == NULL) { - return NGX_ERROR; - } - - ctx->param->key.data[0] = ch; - - ctx->param->value.len = 0; - - if (ctx->value_buf == NULL) { - ctx->param->value.data = ngx_pnalloc(r->pool, - ctx->value_len + 1); - if (ctx->param->value.data == NULL) { - return NGX_ERROR; - } - - } else { - ctx->param->value.data = ctx->value_buf; - } - - state = ssi_param_state; - break; - } - - break; - - case ssi_param_state: - switch (ch) { - case ' ': - case CR: - case LF: - case '\t': - state = ssi_preequal_state; - break; - - case '=': - state = ssi_prevalue_state; - break; - - case '-': - state = ssi_error_end0_state; - - ctx->param->key.data[ctx->param->key.len++] = ch; - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "invalid \"%V\" parameter in \"%V\" SSI command", - &ctx->param->key, &ctx->command); - break; - - default: - if (ctx->param->key.len == NGX_HTTP_SSI_PARAM_LEN) { - state = ssi_error_state; - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "too long \"%V%c...\" parameter in " - "\"%V\" SSI command", - &ctx->param->key, ch, &ctx->command); - break; - } - - ctx->param->key.data[ctx->param->key.len++] = ch; - } - - break; - - case ssi_preequal_state: - switch (ch) { - case ' ': - case CR: - case LF: - case '\t': - break; - - case '=': - state = ssi_prevalue_state; - break; - - default: - if (ch == '-') { - state = ssi_error_end0_state; - } else { - state = ssi_error_state; - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "unexpected \"%c\" symbol after \"%V\" " - "parameter in \"%V\" SSI command", - ch, &ctx->param->key, &ctx->command); - break; - } - - break; - - case ssi_prevalue_state: - switch (ch) { - case ' ': - case CR: - case LF: - case '\t': - break; - - case '"': - state = ssi_double_quoted_value_state; - break; - - case '\'': - state = ssi_quoted_value_state; - break; - - default: - if (ch == '-') { - state = ssi_error_end0_state; - } else { - state = ssi_error_state; - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "unexpected \"%c\" symbol before value of " - "\"%V\" parameter in \"%V\" SSI command", - ch, &ctx->param->key, &ctx->command); - break; - } - - break; - - case ssi_double_quoted_value_state: - switch (ch) { - case '"': - state = ssi_postparam_state; - break; - - case '\\': - ctx->saved_state = ssi_double_quoted_value_state; - state = ssi_quoted_symbol_state; - - /* fall through */ - - default: - if (ctx->param->value.len == ctx->value_len) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "too long \"%V%c...\" value of \"%V\" " - "parameter in \"%V\" SSI command", - &ctx->param->value, ch, &ctx->param->key, - &ctx->command); - state = ssi_error_state; - break; - } - - ctx->param->value.data[ctx->param->value.len++] = ch; - } - - break; - - case ssi_quoted_value_state: - switch (ch) { - case '\'': - state = ssi_postparam_state; - break; - - case '\\': - ctx->saved_state = ssi_quoted_value_state; - state = ssi_quoted_symbol_state; - - /* fall through */ - - default: - if (ctx->param->value.len == ctx->value_len) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "too long \"%V%c...\" value of \"%V\" " - "parameter in \"%V\" SSI command", - &ctx->param->value, ch, &ctx->param->key, - &ctx->command); - state = ssi_error_state; - break; - } - - ctx->param->value.data[ctx->param->value.len++] = ch; - } - - break; - - case ssi_quoted_symbol_state: - state = ctx->saved_state; - - if (ctx->param->value.len == ctx->value_len) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "too long \"%V%c...\" value of \"%V\" " - "parameter in \"%V\" SSI command", - &ctx->param->value, ch, &ctx->param->key, - &ctx->command); - state = ssi_error_state; - break; - } - - ctx->param->value.data[ctx->param->value.len++] = ch; - - break; - - case ssi_postparam_state: - - if (ctx->param->value.len + 1 < ctx->value_len / 2) { - value = ngx_pnalloc(r->pool, ctx->param->value.len + 1); - if (value == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(value, ctx->param->value.data, - ctx->param->value.len); - - ctx->value_buf = ctx->param->value.data; - ctx->param->value.data = value; - - } else { - ctx->value_buf = NULL; - } - - switch (ch) { - case ' ': - case CR: - case LF: - case '\t': - state = ssi_preparam_state; - break; - - case '-': - state = ssi_comment_end0_state; - break; - - default: - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "unexpected \"%c\" symbol after \"%V\" value " - "of \"%V\" parameter in \"%V\" SSI command", - ch, &ctx->param->value, &ctx->param->key, - &ctx->command); - state = ssi_error_state; - break; - } - - break; - - case ssi_comment_end0_state: - switch (ch) { - case '-': - state = ssi_comment_end1_state; - break; - - default: - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "unexpected \"%c\" symbol in \"%V\" SSI command", - ch, &ctx->command); - state = ssi_error_state; - break; - } - - break; - - case ssi_comment_end1_state: - switch (ch) { - case '>': - ctx->state = ssi_start_state; - ctx->pos = p + 1; - ctx->looked = looked; - ctx->copy_end = copy_end; - - if (ctx->copy_start == NULL && copy_end) { - ctx->copy_start = ctx->buf->pos; - } - - return NGX_OK; - - default: - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "unexpected \"%c\" symbol in \"%V\" SSI command", - ch, &ctx->command); - state = ssi_error_state; - break; - } - - break; - - case ssi_error_state: - switch (ch) { - case '-': - state = ssi_error_end0_state; - break; - - default: - break; - } - - break; - - case ssi_error_end0_state: - switch (ch) { - case '-': - state = ssi_error_end1_state; - break; - - default: - state = ssi_error_state; - break; - } - - break; - - case ssi_error_end1_state: - switch (ch) { - case '>': - ctx->state = ssi_start_state; - ctx->pos = p + 1; - ctx->looked = looked; - ctx->copy_end = copy_end; - - if (ctx->copy_start == NULL && copy_end) { - ctx->copy_start = ctx->buf->pos; - } - - return NGX_HTTP_SSI_ERROR; - - default: - state = ssi_error_state; - break; - } - - break; - } - } - - ctx->state = state; - ctx->pos = p; - ctx->looked = looked; - - ctx->copy_end = (state == ssi_start_state) ? p : copy_end; - - if (ctx->copy_start == NULL && ctx->copy_end) { - ctx->copy_start = ctx->buf->pos; - } - - return NGX_AGAIN; -} - - -static ngx_str_t * -ngx_http_ssi_get_variable(ngx_http_request_t *r, ngx_str_t *name, - ngx_uint_t key) -{ - ngx_uint_t i; - ngx_list_part_t *part; - ngx_http_ssi_var_t *var; - ngx_http_ssi_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module); - -#if (NGX_PCRE) - { - ngx_str_t *value; - - if (key >= '0' && key <= '9') { - i = key - '0'; - - if (i < ctx->ncaptures) { - value = ngx_palloc(r->pool, sizeof(ngx_str_t)); - if (value == NULL) { - return NULL; - } - - i *= 2; - - value->data = ctx->captures_data + ctx->captures[i]; - value->len = ctx->captures[i + 1] - ctx->captures[i]; - - return value; - } - } - } -#endif - - if (ctx->variables == NULL) { - return NULL; - } - - part = &ctx->variables->part; - var = part->elts; - - for (i = 0; /* void */ ; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - var = part->elts; - i = 0; - } - - if (name->len != var[i].name.len) { - continue; - } - - if (key != var[i].key) { - continue; - } - - if (ngx_strncmp(name->data, var[i].name.data, name->len) == 0) { - return &var[i].value; - } - } - - return NULL; -} - - -static ngx_int_t -ngx_http_ssi_evaluate_string(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx, - ngx_str_t *text, ngx_uint_t flags) -{ - u_char ch, *p, **value, *data, *part_data; - size_t *size, len, prefix, part_len; - ngx_str_t var, *val; - ngx_uint_t i, n, bracket, quoted, key; - ngx_array_t lengths, values; - ngx_http_variable_value_t *vv; - - n = ngx_http_script_variables_count(text); - - if (n == 0) { - - data = text->data; - p = data; - - if ((flags & NGX_HTTP_SSI_ADD_PREFIX) && text->data[0] != '/') { - - for (prefix = r->uri.len; prefix; prefix--) { - if (r->uri.data[prefix - 1] == '/') { - break; - } - } - - if (prefix) { - len = prefix + text->len; - - data = ngx_pnalloc(r->pool, len); - if (data == NULL) { - return NGX_ERROR; - } - - p = ngx_copy(data, r->uri.data, prefix); - } - } - - quoted = 0; - - for (i = 0; i < text->len; i++) { - ch = text->data[i]; - - if (!quoted) { - - if (ch == '\\') { - quoted = 1; - continue; - } - - } else { - quoted = 0; - - if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') { - *p++ = '\\'; - } - } - - *p++ = ch; - } - - text->len = p - data; - text->data = data; - - return NGX_OK; - } - - if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) { - return NGX_ERROR; - } - - if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) { - return NGX_ERROR; - } - - len = 0; - i = 0; - - while (i < text->len) { - - if (text->data[i] == '$') { - - var.len = 0; - - if (++i == text->len) { - goto invalid_variable; - } - - if (text->data[i] == '{') { - bracket = 1; - - if (++i == text->len) { - goto invalid_variable; - } - - var.data = &text->data[i]; - - } else { - bracket = 0; - var.data = &text->data[i]; - } - - for ( /* void */ ; i < text->len; i++, var.len++) { - ch = text->data[i]; - - if (ch == '}' && bracket) { - i++; - bracket = 0; - break; - } - - if ((ch >= 'A' && ch <= 'Z') - || (ch >= 'a' && ch <= 'z') - || (ch >= '0' && ch <= '9') - || ch == '_') - { - continue; - } - - break; - } - - if (bracket) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "the closing bracket in \"%V\" " - "variable is missing", &var); - return NGX_HTTP_SSI_ERROR; - } - - if (var.len == 0) { - goto invalid_variable; - } - - key = ngx_hash_strlow(var.data, var.data, var.len); - - val = ngx_http_ssi_get_variable(r, &var, key); - - if (val == NULL) { - vv = ngx_http_get_variable(r, &var, key); - if (vv == NULL) { - return NGX_ERROR; - } - - if (vv->not_found) { - continue; - } - - part_data = vv->data; - part_len = vv->len; - - } else { - part_data = val->data; - part_len = val->len; - } - - } else { - part_data = &text->data[i]; - quoted = 0; - - for (p = part_data; i < text->len; i++) { - ch = text->data[i]; - - if (!quoted) { - - if (ch == '\\') { - quoted = 1; - continue; - } - - if (ch == '$') { - break; - } - - } else { - quoted = 0; - - if (ch != '\\' && ch != '\'' && ch != '"' && ch != '$') { - *p++ = '\\'; - } - } - - *p++ = ch; - } - - part_len = p - part_data; - } - - len += part_len; - - size = ngx_array_push(&lengths); - if (size == NULL) { - return NGX_ERROR; - } - - *size = part_len; - - value = ngx_array_push(&values); - if (value == NULL) { - return NGX_ERROR; - } - - *value = part_data; - } - - prefix = 0; - - size = lengths.elts; - value = values.elts; - - if (flags & NGX_HTTP_SSI_ADD_PREFIX) { - for (i = 0; i < values.nelts; i++) { - if (size[i] != 0) { - if (*value[i] != '/') { - for (prefix = r->uri.len; prefix; prefix--) { - if (r->uri.data[prefix - 1] == '/') { - len += prefix; - break; - } - } - } - - break; - } - } - } - - p = ngx_pnalloc(r->pool, len + ((flags & NGX_HTTP_SSI_ADD_ZERO) ? 1 : 0)); - if (p == NULL) { - return NGX_ERROR; - } - - text->len = len; - text->data = p; - - p = ngx_copy(p, r->uri.data, prefix); - - for (i = 0; i < values.nelts; i++) { - p = ngx_copy(p, value[i], size[i]); - } - - return NGX_OK; - -invalid_variable: - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "invalid variable name in \"%V\"", text); - - return NGX_HTTP_SSI_ERROR; -} - - -static ngx_int_t -ngx_http_ssi_regex_match(ngx_http_request_t *r, ngx_str_t *pattern, - ngx_str_t *str) -{ -#if (NGX_PCRE) - int rc, *captures; - u_char *p, errstr[NGX_MAX_CONF_ERRSTR]; - size_t size; - ngx_str_t *vv, name, value; - ngx_uint_t i, n, key; - ngx_http_ssi_ctx_t *ctx; - ngx_http_ssi_var_t *var; - ngx_regex_compile_t rgc; - - ngx_memzero(&rgc, sizeof(ngx_regex_compile_t)); - - rgc.pattern = *pattern; - rgc.pool = r->pool; - rgc.err.len = NGX_MAX_CONF_ERRSTR; - rgc.err.data = errstr; - - if (ngx_regex_compile(&rgc) != NGX_OK) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%V", &rgc.err); - return NGX_HTTP_SSI_ERROR; - } - - n = (rgc.captures + 1) * 3; - - captures = ngx_palloc(r->pool, n * sizeof(int)); - if (captures == NULL) { - return NGX_ERROR; - } - - rc = ngx_regex_exec(rgc.regex, str, captures, n); - - if (rc < NGX_REGEX_NO_MATCHED) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"", - rc, str, pattern); - return NGX_HTTP_SSI_ERROR; - } - - if (rc == NGX_REGEX_NO_MATCHED) { - return NGX_DECLINED; - } - - ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module); - - ctx->ncaptures = rc; - ctx->captures = captures; - ctx->captures_data = str->data; - - if (rgc.named_captures > 0) { - - if (ctx->variables == NULL) { - ctx->variables = ngx_list_create(r->pool, 4, - sizeof(ngx_http_ssi_var_t)); - if (ctx->variables == NULL) { - return NGX_ERROR; - } - } - - size = rgc.name_size; - p = rgc.names; - - for (i = 0; i < (ngx_uint_t) rgc.named_captures; i++, p += size) { - - name.data = &p[2]; - name.len = ngx_strlen(name.data); - - n = 2 * ((p[0] << 8) + p[1]); - - value.data = &str->data[captures[n]]; - value.len = captures[n + 1] - captures[n]; - - key = ngx_hash_strlow(name.data, name.data, name.len); - - vv = ngx_http_ssi_get_variable(r, &name, key); - - if (vv) { - *vv = value; - continue; - } - - var = ngx_list_push(ctx->variables); - if (var == NULL) { - return NGX_ERROR; - } - - var->name = name; - var->key = key; - var->value = value; - } - } - - return NGX_OK; - -#else - - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "the using of the regex \"%V\" in SSI requires PCRE library", - pattern); - return NGX_HTTP_SSI_ERROR; - -#endif -} - - -static ngx_int_t -ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx, - ngx_str_t **params) -{ - ngx_int_t rc; - ngx_str_t *uri, *file, *wait, *set, *stub, args; - ngx_buf_t *b; - ngx_uint_t flags, i, key; - ngx_chain_t *cl, *tl, **ll, *out; - ngx_http_request_t *sr; - ngx_http_ssi_var_t *var; - ngx_http_ssi_ctx_t *mctx; - ngx_http_ssi_block_t *bl; - ngx_http_post_subrequest_t *psr; - - uri = params[NGX_HTTP_SSI_INCLUDE_VIRTUAL]; - file = params[NGX_HTTP_SSI_INCLUDE_FILE]; - wait = params[NGX_HTTP_SSI_INCLUDE_WAIT]; - set = params[NGX_HTTP_SSI_INCLUDE_SET]; - stub = params[NGX_HTTP_SSI_INCLUDE_STUB]; - - if (uri && file) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "inclusion may be either virtual=\"%V\" or file=\"%V\"", - uri, file); - return NGX_HTTP_SSI_ERROR; - } - - if (uri == NULL && file == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "no parameter in \"include\" SSI command"); - return NGX_HTTP_SSI_ERROR; - } - - if (set && stub) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"set\" and \"stub\" cannot be used together " - "in \"include\" SSI command"); - return NGX_HTTP_SSI_ERROR; - } - - if (wait) { - if (uri == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"wait\" cannot be used with file=\"%V\"", file); - return NGX_HTTP_SSI_ERROR; - } - - if (wait->len == 2 - && ngx_strncasecmp(wait->data, (u_char *) "no", 2) == 0) - { - wait = NULL; - - } else if (wait->len != 3 - || ngx_strncasecmp(wait->data, (u_char *) "yes", 3) != 0) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "invalid value \"%V\" in the \"wait\" parameter", - wait); - return NGX_HTTP_SSI_ERROR; - } - } - - if (uri == NULL) { - uri = file; - wait = (ngx_str_t *) -1; - } - - rc = ngx_http_ssi_evaluate_string(r, ctx, uri, NGX_HTTP_SSI_ADD_PREFIX); - - if (rc != NGX_OK) { - return rc; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "ssi include: \"%V\"", uri); - - ngx_str_null(&args); - flags = NGX_HTTP_LOG_UNSAFE; - - if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) { - return NGX_HTTP_SSI_ERROR; - } - - psr = NULL; - - mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module); - - if (stub) { - if (mctx->blocks) { - bl = mctx->blocks->elts; - for (i = 0; i < mctx->blocks->nelts; i++) { - if (stub->len == bl[i].name.len - && ngx_strncmp(stub->data, bl[i].name.data, stub->len) == 0) - { - goto found; - } - } - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "\"stub\"=\"%V\" for \"include\" not found", stub); - return NGX_HTTP_SSI_ERROR; - - found: - - psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t)); - if (psr == NULL) { - return NGX_ERROR; - } - - psr->handler = ngx_http_ssi_stub_output; - - if (bl[i].count++) { - - out = NULL; - ll = &out; - - for (tl = bl[i].bufs; tl; tl = tl->next) { - - if (ctx->free) { - cl = ctx->free; - ctx->free = ctx->free->next; - b = cl->buf; - - } else { - b = ngx_alloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - } - - ngx_memcpy(b, tl->buf, sizeof(ngx_buf_t)); - - b->pos = b->start; - - *ll = cl; - cl->next = NULL; - ll = &cl->next; - } - - psr->data = out; - - } else { - psr->data = bl[i].bufs; - } - } - - if (wait) { - flags |= NGX_HTTP_SUBREQUEST_WAITED; - } - - if (set) { - key = ngx_hash_strlow(set->data, set->data, set->len); - - psr = ngx_palloc(r->pool, sizeof(ngx_http_post_subrequest_t)); - if (psr == NULL) { - return NGX_ERROR; - } - - psr->handler = ngx_http_ssi_set_variable; - psr->data = ngx_http_ssi_get_variable(r, set, key); - - if (psr->data == NULL) { - - if (mctx->variables == NULL) { - mctx->variables = ngx_list_create(r->pool, 4, - sizeof(ngx_http_ssi_var_t)); - if (mctx->variables == NULL) { - return NGX_ERROR; - } - } - - var = ngx_list_push(mctx->variables); - if (var == NULL) { - return NGX_ERROR; - } - - var->name = *set; - var->key = key; - var->value = ngx_http_ssi_null_string; - psr->data = &var->value; - } - - flags |= NGX_HTTP_SUBREQUEST_IN_MEMORY|NGX_HTTP_SUBREQUEST_WAITED; - } - - if (ngx_http_subrequest(r, uri, &args, &sr, psr, flags) != NGX_OK) { - return NGX_HTTP_SSI_ERROR; - } - - if (wait == NULL && set == NULL) { - return NGX_OK; - } - - if (ctx->wait == NULL) { - ctx->wait = sr; - - return NGX_AGAIN; - - } else { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "can only wait for one subrequest at a time"); - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_ssi_stub_output(ngx_http_request_t *r, void *data, ngx_int_t rc) -{ - ngx_chain_t *out; - - if (rc == NGX_ERROR || r->connection->error || r->request_output) { - return rc; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "ssi stub output: \"%V?%V\"", &r->uri, &r->args); - - out = data; - - if (!r->header_sent) { - r->headers_out.content_type_len = - r->parent->headers_out.content_type_len; - r->headers_out.content_type = r->parent->headers_out.content_type; - - if (ngx_http_send_header(r) == NGX_ERROR) { - return NGX_ERROR; - } - } - - return ngx_http_output_filter(r, out); -} - - -static ngx_int_t -ngx_http_ssi_set_variable(ngx_http_request_t *r, void *data, ngx_int_t rc) -{ - ngx_str_t *value = data; - - if (r->headers_out.status < NGX_HTTP_SPECIAL_RESPONSE - && r->out && r->out->buf) - { - value->len = r->out->buf->last - r->out->buf->pos; - value->data = r->out->buf->pos; - } - - return rc; -} - - -static ngx_int_t -ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx, - ngx_str_t **params) -{ - u_char *p; - uintptr_t len; - ngx_buf_t *b; - ngx_str_t *var, *value, *enc, text; - ngx_uint_t key; - ngx_chain_t *cl; - ngx_http_variable_value_t *vv; - - var = params[NGX_HTTP_SSI_ECHO_VAR]; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "ssi echo \"%V\"", var); - - key = ngx_hash_strlow(var->data, var->data, var->len); - - value = ngx_http_ssi_get_variable(r, var, key); - - if (value == NULL) { - vv = ngx_http_get_variable(r, var, key); - - if (vv == NULL) { - return NGX_HTTP_SSI_ERROR; - } - - if (!vv->not_found) { - text.data = vv->data; - text.len = vv->len; - value = &text; - } - } - - if (value == NULL) { - value = params[NGX_HTTP_SSI_ECHO_DEFAULT]; - - if (value == NULL) { - value = &ngx_http_ssi_none; - - } else if (value->len == 0) { - return NGX_OK; - } - - } else { - if (value->len == 0) { - return NGX_OK; - } - } - - enc = params[NGX_HTTP_SSI_ECHO_ENCODING]; - - if (enc) { - if (enc->len == 4 && ngx_strncmp(enc->data, "none", 4) == 0) { - - ctx->encoding = NGX_HTTP_SSI_NO_ENCODING; - - } else if (enc->len == 3 && ngx_strncmp(enc->data, "url", 3) == 0) { - - ctx->encoding = NGX_HTTP_SSI_URL_ENCODING; - - } else if (enc->len == 6 && ngx_strncmp(enc->data, "entity", 6) == 0) { - - ctx->encoding = NGX_HTTP_SSI_ENTITY_ENCODING; - - } else { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "unknown encoding \"%V\" in the \"echo\" command", - enc); - } - } - - p = value->data; - - switch (ctx->encoding) { - - case NGX_HTTP_SSI_URL_ENCODING: - len = 2 * ngx_escape_uri(NULL, value->data, value->len, - NGX_ESCAPE_HTML); - - if (len) { - p = ngx_pnalloc(r->pool, value->len + len); - if (p == NULL) { - return NGX_HTTP_SSI_ERROR; - } - - (void) ngx_escape_uri(p, value->data, value->len, NGX_ESCAPE_HTML); - } - - len += value->len; - break; - - case NGX_HTTP_SSI_ENTITY_ENCODING: - len = ngx_escape_html(NULL, value->data, value->len); - - if (len) { - p = ngx_pnalloc(r->pool, value->len + len); - if (p == NULL) { - return NGX_HTTP_SSI_ERROR; - } - - (void) ngx_escape_html(p, value->data, value->len); - } - - len += value->len; - break; - - default: /* NGX_HTTP_SSI_NO_ENCODING */ - len = value->len; - break; - } - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_HTTP_SSI_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_HTTP_SSI_ERROR; - } - - b->memory = 1; - b->pos = p; - b->last = p + len; - - cl->buf = b; - cl->next = NULL; - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx, - ngx_str_t **params) -{ - ngx_str_t *value; - - value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT]; - - if (value) { - ctx->timefmt.len = value->len; - ctx->timefmt.data = ngx_pnalloc(r->pool, value->len + 1); - if (ctx->timefmt.data == NULL) { - return NGX_ERROR; - } - - ngx_cpystrn(ctx->timefmt.data, value->data, value->len + 1); - } - - value = params[NGX_HTTP_SSI_CONFIG_ERRMSG]; - - if (value) { - ctx->errmsg = *value; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_ssi_set(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx, - ngx_str_t **params) -{ - ngx_int_t rc; - ngx_str_t *name, *value, *vv; - ngx_uint_t key; - ngx_http_ssi_var_t *var; - ngx_http_ssi_ctx_t *mctx; - - mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module); - - if (mctx->variables == NULL) { - mctx->variables = ngx_list_create(r->pool, 4, - sizeof(ngx_http_ssi_var_t)); - if (mctx->variables == NULL) { - return NGX_ERROR; - } - } - - name = params[NGX_HTTP_SSI_SET_VAR]; - value = params[NGX_HTTP_SSI_SET_VALUE]; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "ssi set \"%V\" \"%V\"", name, value); - - rc = ngx_http_ssi_evaluate_string(r, ctx, value, 0); - - if (rc != NGX_OK) { - return rc; - } - - key = ngx_hash_strlow(name->data, name->data, name->len); - - vv = ngx_http_ssi_get_variable(r, name, key); - - if (vv) { - *vv = *value; - return NGX_OK; - } - - var = ngx_list_push(mctx->variables); - if (var == NULL) { - return NGX_ERROR; - } - - var->name = *name; - var->key = key; - var->value = *value; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "set: \"%V\"=\"%V\"", name, value); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx, - ngx_str_t **params) -{ - u_char *p, *last; - ngx_str_t *expr, left, right; - ngx_int_t rc; - ngx_uint_t negative, noregex, flags; - - if (ctx->command.len == 2) { - if (ctx->conditional) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "the \"if\" command inside the \"if\" command"); - return NGX_HTTP_SSI_ERROR; - } - } - - if (ctx->output_chosen) { - ctx->output = 0; - return NGX_OK; - } - - expr = params[NGX_HTTP_SSI_IF_EXPR]; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "ssi if expr=\"%V\"", expr); - - left.data = expr->data; - last = expr->data + expr->len; - - for (p = left.data; p < last; p++) { - if (*p >= 'A' && *p <= 'Z') { - *p |= 0x20; - continue; - } - - if ((*p >= 'a' && *p <= 'z') - || (*p >= '0' && *p <= '9') - || *p == '$' || *p == '{' || *p == '}' || *p == '_' - || *p == '"' || *p == '\'') - { - continue; - } - - break; - } - - left.len = p - left.data; - - while (p < last && *p == ' ') { - p++; - } - - flags = 0; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "left: \"%V\"", &left); - - rc = ngx_http_ssi_evaluate_string(r, ctx, &left, flags); - - if (rc != NGX_OK) { - return rc; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "evaluated left: \"%V\"", &left); - - if (p == last) { - if (left.len) { - ctx->output = 1; - ctx->output_chosen = 1; - - } else { - ctx->output = 0; - } - - ctx->conditional = NGX_HTTP_SSI_COND_IF; - - return NGX_OK; - } - - if (p < last && *p == '=') { - negative = 0; - p++; - - } else if (p + 1 < last && *p == '!' && *(p + 1) == '=') { - negative = 1; - p += 2; - - } else { - goto invalid_expression; - } - - while (p < last && *p == ' ') { - p++; - } - - if (p < last - 1 && *p == '/') { - if (*(last - 1) != '/') { - goto invalid_expression; - } - - noregex = 0; - flags = NGX_HTTP_SSI_ADD_ZERO; - last--; - p++; - - } else { - noregex = 1; - flags = 0; - - if (p < last - 1 && p[0] == '\\' && p[1] == '/') { - p++; - } - } - - right.len = last - p; - right.data = p; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "right: \"%V\"", &right); - - rc = ngx_http_ssi_evaluate_string(r, ctx, &right, flags); - - if (rc != NGX_OK) { - return rc; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "evaluated right: \"%V\"", &right); - - if (noregex) { - if (left.len != right.len) { - rc = -1; - - } else { - rc = ngx_strncmp(left.data, right.data, right.len); - } - - } else { - right.data[right.len] = '\0'; - - rc = ngx_http_ssi_regex_match(r, &right, &left); - - if (rc == NGX_OK) { - rc = 0; - } else if (rc == NGX_DECLINED) { - rc = -1; - } else { - return rc; - } - } - - if ((rc == 0 && !negative) || (rc != 0 && negative)) { - ctx->output = 1; - ctx->output_chosen = 1; - - } else { - ctx->output = 0; - } - - ctx->conditional = NGX_HTTP_SSI_COND_IF; - - return NGX_OK; - -invalid_expression: - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "invalid expression in \"%V\"", expr); - - return NGX_HTTP_SSI_ERROR; -} - - -static ngx_int_t -ngx_http_ssi_else(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx, - ngx_str_t **params) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "ssi else"); - - if (ctx->output_chosen) { - ctx->output = 0; - } else { - ctx->output = 1; - } - - ctx->conditional = NGX_HTTP_SSI_COND_ELSE; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx, - ngx_str_t **params) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "ssi endif"); - - ctx->output = 1; - ctx->output_chosen = 0; - ctx->conditional = 0; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_ssi_block(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx, - ngx_str_t **params) -{ - ngx_http_ssi_ctx_t *mctx; - ngx_http_ssi_block_t *bl; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "ssi block"); - - mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module); - - if (mctx->blocks == NULL) { - mctx->blocks = ngx_array_create(r->pool, 4, - sizeof(ngx_http_ssi_block_t)); - if (mctx->blocks == NULL) { - return NGX_HTTP_SSI_ERROR; - } - } - - bl = ngx_array_push(mctx->blocks); - if (bl == NULL) { - return NGX_HTTP_SSI_ERROR; - } - - bl->name = *params[NGX_HTTP_SSI_BLOCK_NAME]; - bl->bufs = NULL; - bl->count = 0; - - ctx->output = 0; - ctx->block = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_ssi_endblock(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx, - ngx_str_t **params) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "ssi endblock"); - - ctx->output = 1; - ctx->block = 0; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t gmt) -{ - time_t now; - ngx_http_ssi_ctx_t *ctx; - ngx_str_t *timefmt; - struct tm tm; - char buf[NGX_HTTP_SSI_DATE_LEN]; - - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - now = ngx_time(); - - ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module); - - timefmt = ctx ? &ctx->timefmt : &ngx_http_ssi_timefmt; - - if (timefmt->len == sizeof("%s") - 1 - && timefmt->data[0] == '%' && timefmt->data[1] == 's') - { - v->data = ngx_pnalloc(r->pool, NGX_TIME_T_LEN); - if (v->data == NULL) { - return NGX_ERROR; - } - - v->len = ngx_sprintf(v->data, "%T", now) - v->data; - - return NGX_OK; - } - - if (gmt) { - ngx_libc_gmtime(now, &tm); - } else { - ngx_libc_localtime(now, &tm); - } - - v->len = strftime(buf, NGX_HTTP_SSI_DATE_LEN, - (char *) timefmt->data, &tm); - if (v->len == 0) { - return NGX_ERROR; - } - - v->data = ngx_pnalloc(r->pool, v->len); - if (v->data == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(v->data, buf, v->len); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_ssi_preconfiguration(ngx_conf_t *cf) -{ - ngx_int_t rc; - ngx_http_variable_t *var, *v; - ngx_http_ssi_command_t *cmd; - ngx_http_ssi_main_conf_t *smcf; - - for (v = ngx_http_ssi_vars; v->name.len; v++) { - var = ngx_http_add_variable(cf, &v->name, v->flags); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = v->get_handler; - var->data = v->data; - } - - smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); - - for (cmd = ngx_http_ssi_commands; cmd->name.len; cmd++) { - rc = ngx_hash_add_key(&smcf->commands, &cmd->name, cmd, - NGX_HASH_READONLY_KEY); - - if (rc == NGX_OK) { - continue; - } - - if (rc == NGX_BUSY) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "conflicting SSI command \"%V\"", &cmd->name); - } - - return NGX_ERROR; - } - - return NGX_OK; -} - - -static void * -ngx_http_ssi_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_ssi_main_conf_t *smcf; - - smcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_main_conf_t)); - if (smcf == NULL) { - return NULL; - } - - smcf->commands.pool = cf->pool; - smcf->commands.temp_pool = cf->temp_pool; - - if (ngx_hash_keys_array_init(&smcf->commands, NGX_HASH_SMALL) != NGX_OK) { - return NULL; - } - - return smcf; -} - - -static char * -ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf) -{ - ngx_http_ssi_main_conf_t *smcf = conf; - - ngx_hash_init_t hash; - - hash.hash = &smcf->hash; - hash.key = ngx_hash_key; - hash.max_size = 1024; - hash.bucket_size = ngx_cacheline_size; - hash.name = "ssi_command_hash"; - hash.pool = cf->pool; - hash.temp_pool = NULL; - - if (ngx_hash_init(&hash, smcf->commands.keys.elts, - smcf->commands.keys.nelts) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static void * -ngx_http_ssi_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_ssi_loc_conf_t *slcf; - - slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_loc_conf_t)); - if (slcf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->types = { NULL }; - * conf->types_keys = NULL; - */ - - slcf->enable = NGX_CONF_UNSET; - slcf->silent_errors = NGX_CONF_UNSET; - slcf->ignore_recycled_buffers = NGX_CONF_UNSET; - slcf->last_modified = NGX_CONF_UNSET; - - slcf->min_file_chunk = NGX_CONF_UNSET_SIZE; - slcf->value_len = NGX_CONF_UNSET_SIZE; - - return slcf; -} - - -static char * -ngx_http_ssi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_ssi_loc_conf_t *prev = parent; - ngx_http_ssi_loc_conf_t *conf = child; - - ngx_conf_merge_value(conf->enable, prev->enable, 0); - ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0); - ngx_conf_merge_value(conf->ignore_recycled_buffers, - prev->ignore_recycled_buffers, 0); - ngx_conf_merge_value(conf->last_modified, prev->last_modified, 0); - - ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024); - ngx_conf_merge_size_value(conf->value_len, prev->value_len, 255); - - if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types, - &prev->types_keys, &prev->types, - ngx_http_html_default_types) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_ssi_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_ssi_header_filter; - - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_ssi_body_filter; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_ssi_filter_module.h b/nginx/src/http/modules/ngx_http_ssi_filter_module.h deleted file mode 100644 index 0bd01a0..0000000 --- a/nginx/src/http/modules/ngx_http_ssi_filter_module.h +++ /dev/null @@ -1,114 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_HTTP_SSI_FILTER_H_INCLUDED_ -#define _NGX_HTTP_SSI_FILTER_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -#define NGX_HTTP_SSI_MAX_PARAMS 16 - -#define NGX_HTTP_SSI_COMMAND_LEN 32 -#define NGX_HTTP_SSI_PARAM_LEN 32 -#define NGX_HTTP_SSI_PARAMS_N 4 - - -#define NGX_HTTP_SSI_COND_IF 1 -#define NGX_HTTP_SSI_COND_ELSE 2 - - -#define NGX_HTTP_SSI_NO_ENCODING 0 -#define NGX_HTTP_SSI_URL_ENCODING 1 -#define NGX_HTTP_SSI_ENTITY_ENCODING 2 - - -typedef struct { - ngx_hash_t hash; - ngx_hash_keys_arrays_t commands; -} ngx_http_ssi_main_conf_t; - - -typedef struct { - ngx_buf_t *buf; - - u_char *pos; - u_char *copy_start; - u_char *copy_end; - - ngx_uint_t key; - ngx_str_t command; - ngx_array_t params; - ngx_table_elt_t *param; - ngx_table_elt_t params_array[NGX_HTTP_SSI_PARAMS_N]; - - ngx_chain_t *in; - ngx_chain_t *out; - ngx_chain_t **last_out; - ngx_chain_t *busy; - ngx_chain_t *free; - - ngx_uint_t state; - ngx_uint_t saved_state; - size_t saved; - size_t looked; - - size_t value_len; - - ngx_list_t *variables; - ngx_array_t *blocks; - -#if (NGX_PCRE) - ngx_uint_t ncaptures; - int *captures; - u_char *captures_data; -#endif - - unsigned conditional:2; - unsigned encoding:2; - unsigned block:1; - unsigned output:1; - unsigned output_chosen:1; - - ngx_http_request_t *wait; - void *value_buf; - ngx_str_t timefmt; - ngx_str_t errmsg; -} ngx_http_ssi_ctx_t; - - -typedef ngx_int_t (*ngx_http_ssi_command_pt) (ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ctx, ngx_str_t **); - - -typedef struct { - ngx_str_t name; - ngx_uint_t index; - - unsigned mandatory:1; - unsigned multiple:1; -} ngx_http_ssi_param_t; - - -typedef struct { - ngx_str_t name; - ngx_http_ssi_command_pt handler; - ngx_http_ssi_param_t *params; - - unsigned conditional:2; - unsigned block:1; - unsigned flush:1; -} ngx_http_ssi_command_t; - - -extern ngx_module_t ngx_http_ssi_filter_module; - - -#endif /* _NGX_HTTP_SSI_FILTER_H_INCLUDED_ */ diff --git a/nginx/src/http/modules/ngx_http_ssl_module.c b/nginx/src/http/modules/ngx_http_ssl_module.c deleted file mode 100644 index 7d62176..0000000 --- a/nginx/src/http/modules/ngx_http_ssl_module.c +++ /dev/null @@ -1,997 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef ngx_int_t (*ngx_ssl_variable_handler_pt)(ngx_connection_t *c, - ngx_pool_t *pool, ngx_str_t *s); - - -#define NGX_DEFAULT_CIPHERS "HIGH:!aNULL:!MD5" -#define NGX_DEFAULT_ECDH_CURVE "auto" - -#define NGX_HTTP_NPN_ADVERTISE "\x08http/1.1" - - -#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation -static int ngx_http_ssl_alpn_select(ngx_ssl_conn_t *ssl_conn, - const unsigned char **out, unsigned char *outlen, - const unsigned char *in, unsigned int inlen, void *arg); -#endif - -#ifdef TLSEXT_TYPE_next_proto_neg -static int ngx_http_ssl_npn_advertised(ngx_ssl_conn_t *ssl_conn, - const unsigned char **out, unsigned int *outlen, void *arg); -#endif - -static ngx_int_t ngx_http_ssl_static_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_ssl_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); - -static ngx_int_t ngx_http_ssl_add_variables(ngx_conf_t *cf); -static void *ngx_http_ssl_create_srv_conf(ngx_conf_t *cf); -static char *ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, - void *parent, void *child); - -static char *ngx_http_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - -static ngx_int_t ngx_http_ssl_init(ngx_conf_t *cf); - - -static ngx_conf_bitmask_t ngx_http_ssl_protocols[] = { - { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, - { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, - { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, - { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, - { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, - { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 }, - { ngx_null_string, 0 } -}; - - -static ngx_conf_enum_t ngx_http_ssl_verify[] = { - { ngx_string("off"), 0 }, - { ngx_string("on"), 1 }, - { ngx_string("optional"), 2 }, - { ngx_string("optional_no_ca"), 3 }, - { ngx_null_string, 0 } -}; - - -static ngx_command_t ngx_http_ssl_commands[] = { - - { ngx_string("ssl"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, - ngx_http_ssl_enable, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, enable), - NULL }, - - { ngx_string("ssl_certificate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, certificates), - NULL }, - - { ngx_string("ssl_certificate_key"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, certificate_keys), - NULL }, - - { ngx_string("ssl_password_file"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_http_ssl_password_file, - NGX_HTTP_SRV_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("ssl_dhparam"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, dhparam), - NULL }, - - { ngx_string("ssl_ecdh_curve"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, ecdh_curve), - NULL }, - - { ngx_string("ssl_protocols"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, protocols), - &ngx_http_ssl_protocols }, - - { ngx_string("ssl_ciphers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, ciphers), - NULL }, - - { ngx_string("ssl_buffer_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, buffer_size), - NULL }, - - { ngx_string("ssl_verify_client"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_enum_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, verify), - &ngx_http_ssl_verify }, - - { ngx_string("ssl_verify_depth"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, verify_depth), - NULL }, - - { ngx_string("ssl_client_certificate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, client_certificate), - NULL }, - - { ngx_string("ssl_trusted_certificate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, trusted_certificate), - NULL }, - - { ngx_string("ssl_prefer_server_ciphers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, prefer_server_ciphers), - NULL }, - - { ngx_string("ssl_session_cache"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE12, - ngx_http_ssl_session_cache, - NGX_HTTP_SRV_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("ssl_session_tickets"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, session_tickets), - NULL }, - - { ngx_string("ssl_session_ticket_key"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, session_ticket_keys), - NULL }, - - { ngx_string("ssl_session_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_sec_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, session_timeout), - NULL }, - - { ngx_string("ssl_crl"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, crl), - NULL }, - - { ngx_string("ssl_stapling"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, stapling), - NULL }, - - { ngx_string("ssl_stapling_file"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, stapling_file), - NULL }, - - { ngx_string("ssl_stapling_responder"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, stapling_responder), - NULL }, - - { ngx_string("ssl_stapling_verify"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_ssl_srv_conf_t, stapling_verify), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_ssl_module_ctx = { - ngx_http_ssl_add_variables, /* preconfiguration */ - ngx_http_ssl_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - ngx_http_ssl_create_srv_conf, /* create server configuration */ - ngx_http_ssl_merge_srv_conf, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_ssl_module = { - NGX_MODULE_V1, - &ngx_http_ssl_module_ctx, /* module context */ - ngx_http_ssl_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_variable_t ngx_http_ssl_vars[] = { - - { ngx_string("ssl_protocol"), NULL, ngx_http_ssl_static_variable, - (uintptr_t) ngx_ssl_get_protocol, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_cipher"), NULL, ngx_http_ssl_static_variable, - (uintptr_t) ngx_ssl_get_cipher_name, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_ciphers"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_ciphers, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_curves"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_curves, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_session_id"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_session_id, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_session_reused"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_session_reused, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_server_name"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_server_name, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_client_cert"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_certificate, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_client_raw_cert"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_raw_certificate, - NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_client_escaped_cert"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_escaped_certificate, - NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_client_s_dn"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_subject_dn, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_client_i_dn"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_issuer_dn, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_client_s_dn_legacy"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_subject_dn_legacy, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_client_i_dn_legacy"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_issuer_dn_legacy, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_client_serial"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_serial_number, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_client_fingerprint"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_fingerprint, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_client_verify"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_client_verify, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_client_v_start"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_client_v_start, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_client_v_end"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_client_v_end, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - { ngx_string("ssl_client_v_remain"), NULL, ngx_http_ssl_variable, - (uintptr_t) ngx_ssl_get_client_v_remain, NGX_HTTP_VAR_CHANGEABLE, 0 }, - - ngx_http_null_variable -}; - - -static ngx_str_t ngx_http_ssl_sess_id_ctx = ngx_string("HTTP"); - - -#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation - -static int -ngx_http_ssl_alpn_select(ngx_ssl_conn_t *ssl_conn, const unsigned char **out, - unsigned char *outlen, const unsigned char *in, unsigned int inlen, - void *arg) -{ - unsigned int srvlen; - unsigned char *srv; -#if (NGX_DEBUG) - unsigned int i; -#endif -#if (NGX_HTTP_V2) - ngx_http_connection_t *hc; -#endif -#if (NGX_HTTP_V2 || NGX_DEBUG) - ngx_connection_t *c; - - c = ngx_ssl_get_connection(ssl_conn); -#endif - -#if (NGX_DEBUG) - for (i = 0; i < inlen; i += in[i] + 1) { - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, - "SSL ALPN supported by client: %*s", - (size_t) in[i], &in[i + 1]); - } -#endif - -#if (NGX_HTTP_V2) - hc = c->data; - - if (hc->addr_conf->http2) { - srv = - (unsigned char *) NGX_HTTP_V2_ALPN_ADVERTISE NGX_HTTP_NPN_ADVERTISE; - srvlen = sizeof(NGX_HTTP_V2_ALPN_ADVERTISE NGX_HTTP_NPN_ADVERTISE) - 1; - - } else -#endif - { - srv = (unsigned char *) NGX_HTTP_NPN_ADVERTISE; - srvlen = sizeof(NGX_HTTP_NPN_ADVERTISE) - 1; - } - - if (SSL_select_next_proto((unsigned char **) out, outlen, srv, srvlen, - in, inlen) - != OPENSSL_NPN_NEGOTIATED) - { - return SSL_TLSEXT_ERR_NOACK; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, - "SSL ALPN selected: %*s", (size_t) *outlen, *out); - - return SSL_TLSEXT_ERR_OK; -} - -#endif - - -#ifdef TLSEXT_TYPE_next_proto_neg - -static int -ngx_http_ssl_npn_advertised(ngx_ssl_conn_t *ssl_conn, - const unsigned char **out, unsigned int *outlen, void *arg) -{ -#if (NGX_HTTP_V2 || NGX_DEBUG) - ngx_connection_t *c; - - c = ngx_ssl_get_connection(ssl_conn); - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "SSL NPN advertised"); -#endif - -#if (NGX_HTTP_V2) - { - ngx_http_connection_t *hc; - - hc = c->data; - - if (hc->addr_conf->http2) { - *out = - (unsigned char *) NGX_HTTP_V2_NPN_ADVERTISE NGX_HTTP_NPN_ADVERTISE; - *outlen = sizeof(NGX_HTTP_V2_NPN_ADVERTISE NGX_HTTP_NPN_ADVERTISE) - 1; - - return SSL_TLSEXT_ERR_OK; - } - } -#endif - - *out = (unsigned char *) NGX_HTTP_NPN_ADVERTISE; - *outlen = sizeof(NGX_HTTP_NPN_ADVERTISE) - 1; - - return SSL_TLSEXT_ERR_OK; -} - -#endif - - -static ngx_int_t -ngx_http_ssl_static_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data; - - size_t len; - ngx_str_t s; - - if (r->connection->ssl) { - - (void) handler(r->connection, NULL, &s); - - v->data = s.data; - - for (len = 0; v->data[len]; len++) { /* void */ } - - v->len = len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - return NGX_OK; - } - - v->not_found = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_ssl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - ngx_ssl_variable_handler_pt handler = (ngx_ssl_variable_handler_pt) data; - - ngx_str_t s; - - if (r->connection->ssl) { - - if (handler(r->connection, r->pool, &s) != NGX_OK) { - return NGX_ERROR; - } - - v->len = s.len; - v->data = s.data; - - if (v->len) { - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - return NGX_OK; - } - } - - v->not_found = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_ssl_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var, *v; - - for (v = ngx_http_ssl_vars; v->name.len; v++) { - var = ngx_http_add_variable(cf, &v->name, v->flags); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = v->get_handler; - var->data = v->data; - } - - return NGX_OK; -} - - -static void * -ngx_http_ssl_create_srv_conf(ngx_conf_t *cf) -{ - ngx_http_ssl_srv_conf_t *sscf; - - sscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t)); - if (sscf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * sscf->protocols = 0; - * sscf->dhparam = { 0, NULL }; - * sscf->ecdh_curve = { 0, NULL }; - * sscf->client_certificate = { 0, NULL }; - * sscf->trusted_certificate = { 0, NULL }; - * sscf->crl = { 0, NULL }; - * sscf->ciphers = { 0, NULL }; - * sscf->shm_zone = NULL; - * sscf->stapling_file = { 0, NULL }; - * sscf->stapling_responder = { 0, NULL }; - */ - - sscf->enable = NGX_CONF_UNSET; - sscf->prefer_server_ciphers = NGX_CONF_UNSET; - sscf->buffer_size = NGX_CONF_UNSET_SIZE; - sscf->verify = NGX_CONF_UNSET_UINT; - sscf->verify_depth = NGX_CONF_UNSET_UINT; - sscf->certificates = NGX_CONF_UNSET_PTR; - sscf->certificate_keys = NGX_CONF_UNSET_PTR; - sscf->passwords = NGX_CONF_UNSET_PTR; - sscf->builtin_session_cache = NGX_CONF_UNSET; - sscf->session_timeout = NGX_CONF_UNSET; - sscf->session_tickets = NGX_CONF_UNSET; - sscf->session_ticket_keys = NGX_CONF_UNSET_PTR; - sscf->stapling = NGX_CONF_UNSET; - sscf->stapling_verify = NGX_CONF_UNSET; - - return sscf; -} - - -static char * -ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_ssl_srv_conf_t *prev = parent; - ngx_http_ssl_srv_conf_t *conf = child; - - ngx_pool_cleanup_t *cln; - - if (conf->enable == NGX_CONF_UNSET) { - if (prev->enable == NGX_CONF_UNSET) { - conf->enable = 0; - - } else { - conf->enable = prev->enable; - conf->file = prev->file; - conf->line = prev->line; - } - } - - ngx_conf_merge_value(conf->session_timeout, - prev->session_timeout, 300); - - ngx_conf_merge_value(conf->prefer_server_ciphers, - prev->prefer_server_ciphers, 0); - - ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, - (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 - |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); - - ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, - NGX_SSL_BUFSIZE); - - ngx_conf_merge_uint_value(conf->verify, prev->verify, 0); - ngx_conf_merge_uint_value(conf->verify_depth, prev->verify_depth, 1); - - ngx_conf_merge_ptr_value(conf->certificates, prev->certificates, NULL); - ngx_conf_merge_ptr_value(conf->certificate_keys, prev->certificate_keys, - NULL); - - ngx_conf_merge_ptr_value(conf->passwords, prev->passwords, NULL); - - ngx_conf_merge_str_value(conf->dhparam, prev->dhparam, ""); - - ngx_conf_merge_str_value(conf->client_certificate, prev->client_certificate, - ""); - ngx_conf_merge_str_value(conf->trusted_certificate, - prev->trusted_certificate, ""); - ngx_conf_merge_str_value(conf->crl, prev->crl, ""); - - ngx_conf_merge_str_value(conf->ecdh_curve, prev->ecdh_curve, - NGX_DEFAULT_ECDH_CURVE); - - ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFAULT_CIPHERS); - - ngx_conf_merge_value(conf->stapling, prev->stapling, 0); - ngx_conf_merge_value(conf->stapling_verify, prev->stapling_verify, 0); - ngx_conf_merge_str_value(conf->stapling_file, prev->stapling_file, ""); - ngx_conf_merge_str_value(conf->stapling_responder, - prev->stapling_responder, ""); - - conf->ssl.log = cf->log; - - if (conf->enable) { - - if (conf->certificates == NULL) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no \"ssl_certificate\" is defined for " - "the \"ssl\" directive in %s:%ui", - conf->file, conf->line); - return NGX_CONF_ERROR; - } - - if (conf->certificate_keys == NULL) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no \"ssl_certificate_key\" is defined for " - "the \"ssl\" directive in %s:%ui", - conf->file, conf->line); - return NGX_CONF_ERROR; - } - - if (conf->certificate_keys->nelts < conf->certificates->nelts) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no \"ssl_certificate_key\" is defined " - "for certificate \"%V\" and " - "the \"ssl\" directive in %s:%ui", - ((ngx_str_t *) conf->certificates->elts) - + conf->certificates->nelts - 1, - conf->file, conf->line); - return NGX_CONF_ERROR; - } - - } else { - - if (conf->certificates == NULL) { - return NGX_CONF_OK; - } - - if (conf->certificate_keys == NULL - || conf->certificate_keys->nelts < conf->certificates->nelts) - { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no \"ssl_certificate_key\" is defined " - "for certificate \"%V\"", - ((ngx_str_t *) conf->certificates->elts) - + conf->certificates->nelts - 1); - return NGX_CONF_ERROR; - } - } - - if (ngx_ssl_create(&conf->ssl, conf->protocols, conf) != NGX_OK) { - return NGX_CONF_ERROR; - } - -#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME - - if (SSL_CTX_set_tlsext_servername_callback(conf->ssl.ctx, - ngx_http_ssl_servername) - == 0) - { - ngx_log_error(NGX_LOG_WARN, cf->log, 0, - "nginx was built with SNI support, however, now it is linked " - "dynamically to an OpenSSL library which has no tlsext support, " - "therefore SNI is not available"); - } - -#endif - -#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation - SSL_CTX_set_alpn_select_cb(conf->ssl.ctx, ngx_http_ssl_alpn_select, NULL); -#endif - -#ifdef TLSEXT_TYPE_next_proto_neg - SSL_CTX_set_next_protos_advertised_cb(conf->ssl.ctx, - ngx_http_ssl_npn_advertised, NULL); -#endif - - cln = ngx_pool_cleanup_add(cf->pool, 0); - if (cln == NULL) { - return NGX_CONF_ERROR; - } - - cln->handler = ngx_ssl_cleanup_ctx; - cln->data = &conf->ssl; - - if (ngx_ssl_certificates(cf, &conf->ssl, conf->certificates, - conf->certificate_keys, conf->passwords) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - if (ngx_ssl_ciphers(cf, &conf->ssl, &conf->ciphers, - conf->prefer_server_ciphers) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - conf->ssl.buffer_size = conf->buffer_size; - - if (conf->verify) { - - if (conf->client_certificate.len == 0 && conf->verify != 3) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no ssl_client_certificate for ssl_client_verify"); - return NGX_CONF_ERROR; - } - - if (ngx_ssl_client_certificate(cf, &conf->ssl, - &conf->client_certificate, - conf->verify_depth) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - } - - if (ngx_ssl_trusted_certificate(cf, &conf->ssl, - &conf->trusted_certificate, - conf->verify_depth) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - if (ngx_ssl_crl(cf, &conf->ssl, &conf->crl) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (ngx_ssl_dhparam(cf, &conf->ssl, &conf->dhparam) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (ngx_ssl_ecdh_curve(cf, &conf->ssl, &conf->ecdh_curve) != NGX_OK) { - return NGX_CONF_ERROR; - } - - ngx_conf_merge_value(conf->builtin_session_cache, - prev->builtin_session_cache, NGX_SSL_NONE_SCACHE); - - if (conf->shm_zone == NULL) { - conf->shm_zone = prev->shm_zone; - } - - if (ngx_ssl_session_cache(&conf->ssl, &ngx_http_ssl_sess_id_ctx, - conf->builtin_session_cache, - conf->shm_zone, conf->session_timeout) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - ngx_conf_merge_value(conf->session_tickets, prev->session_tickets, 1); - -#ifdef SSL_OP_NO_TICKET - if (!conf->session_tickets) { - SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_NO_TICKET); - } -#endif - - ngx_conf_merge_ptr_value(conf->session_ticket_keys, - prev->session_ticket_keys, NULL); - - if (ngx_ssl_session_ticket_keys(cf, &conf->ssl, conf->session_ticket_keys) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - if (conf->stapling) { - - if (ngx_ssl_stapling(cf, &conf->ssl, &conf->stapling_file, - &conf->stapling_responder, conf->stapling_verify) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_ssl_srv_conf_t *sscf = conf; - - char *rv; - - rv = ngx_conf_set_flag_slot(cf, cmd, conf); - - if (rv != NGX_CONF_OK) { - return rv; - } - - sscf->file = cf->conf_file->file.name.data; - sscf->line = cf->conf_file->line; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_ssl_srv_conf_t *sscf = conf; - - ngx_str_t *value; - - if (sscf->passwords != NGX_CONF_UNSET_PTR) { - return "is duplicate"; - } - - value = cf->args->elts; - - sscf->passwords = ngx_ssl_read_password_file(cf, &value[1]); - - if (sscf->passwords == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_ssl_srv_conf_t *sscf = conf; - - size_t len; - ngx_str_t *value, name, size; - ngx_int_t n; - ngx_uint_t i, j; - - value = cf->args->elts; - - for (i = 1; i < cf->args->nelts; i++) { - - if (ngx_strcmp(value[i].data, "off") == 0) { - sscf->builtin_session_cache = NGX_SSL_NO_SCACHE; - continue; - } - - if (ngx_strcmp(value[i].data, "none") == 0) { - sscf->builtin_session_cache = NGX_SSL_NONE_SCACHE; - continue; - } - - if (ngx_strcmp(value[i].data, "builtin") == 0) { - sscf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE; - continue; - } - - if (value[i].len > sizeof("builtin:") - 1 - && ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1) - == 0) - { - n = ngx_atoi(value[i].data + sizeof("builtin:") - 1, - value[i].len - (sizeof("builtin:") - 1)); - - if (n == NGX_ERROR) { - goto invalid; - } - - sscf->builtin_session_cache = n; - - continue; - } - - if (value[i].len > sizeof("shared:") - 1 - && ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1) - == 0) - { - len = 0; - - for (j = sizeof("shared:") - 1; j < value[i].len; j++) { - if (value[i].data[j] == ':') { - break; - } - - len++; - } - - if (len == 0) { - goto invalid; - } - - name.len = len; - name.data = value[i].data + sizeof("shared:") - 1; - - size.len = value[i].len - j - 1; - size.data = name.data + len + 1; - - n = ngx_parse_size(&size); - - if (n == NGX_ERROR) { - goto invalid; - } - - if (n < (ngx_int_t) (8 * ngx_pagesize)) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "session cache \"%V\" is too small", - &value[i]); - - return NGX_CONF_ERROR; - } - - sscf->shm_zone = ngx_shared_memory_add(cf, &name, n, - &ngx_http_ssl_module); - if (sscf->shm_zone == NULL) { - return NGX_CONF_ERROR; - } - - sscf->shm_zone->init = ngx_ssl_session_cache_init; - - continue; - } - - goto invalid; - } - - if (sscf->shm_zone && sscf->builtin_session_cache == NGX_CONF_UNSET) { - sscf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE; - } - - return NGX_CONF_OK; - -invalid: - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid session cache \"%V\"", &value[i]); - - return NGX_CONF_ERROR; -} - - -static ngx_int_t -ngx_http_ssl_init(ngx_conf_t *cf) -{ - ngx_uint_t s; - ngx_http_ssl_srv_conf_t *sscf; - ngx_http_core_loc_conf_t *clcf; - ngx_http_core_srv_conf_t **cscfp; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - cscfp = cmcf->servers.elts; - - for (s = 0; s < cmcf->servers.nelts; s++) { - - sscf = cscfp[s]->ctx->srv_conf[ngx_http_ssl_module.ctx_index]; - - if (sscf->ssl.ctx == NULL || !sscf->stapling) { - continue; - } - - clcf = cscfp[s]->ctx->loc_conf[ngx_http_core_module.ctx_index]; - - if (ngx_ssl_stapling_resolver(cf, &sscf->ssl, clcf->resolver, - clcf->resolver_timeout) - != NGX_OK) - { - return NGX_ERROR; - } - } - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_ssl_module.h b/nginx/src/http/modules/ngx_http_ssl_module.h deleted file mode 100644 index 57f5941..0000000 --- a/nginx/src/http/modules/ngx_http_ssl_module.h +++ /dev/null @@ -1,66 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_HTTP_SSL_H_INCLUDED_ -#define _NGX_HTTP_SSL_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_flag_t enable; - - ngx_ssl_t ssl; - - ngx_flag_t prefer_server_ciphers; - - ngx_uint_t protocols; - - ngx_uint_t verify; - ngx_uint_t verify_depth; - - size_t buffer_size; - - ssize_t builtin_session_cache; - - time_t session_timeout; - - ngx_array_t *certificates; - ngx_array_t *certificate_keys; - - ngx_str_t dhparam; - ngx_str_t ecdh_curve; - ngx_str_t client_certificate; - ngx_str_t trusted_certificate; - ngx_str_t crl; - - ngx_str_t ciphers; - - ngx_array_t *passwords; - - ngx_shm_zone_t *shm_zone; - - ngx_flag_t session_tickets; - ngx_array_t *session_ticket_keys; - - ngx_flag_t stapling; - ngx_flag_t stapling_verify; - ngx_str_t stapling_file; - ngx_str_t stapling_responder; - - u_char *file; - ngx_uint_t line; -} ngx_http_ssl_srv_conf_t; - - -extern ngx_module_t ngx_http_ssl_module; - - -#endif /* _NGX_HTTP_SSL_H_INCLUDED_ */ diff --git a/nginx/src/http/modules/ngx_http_static_module.c b/nginx/src/http/modules/ngx_http_static_module.c deleted file mode 100644 index 0e16c05..0000000 --- a/nginx/src/http/modules/ngx_http_static_module.c +++ /dev/null @@ -1,288 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -static ngx_int_t ngx_http_static_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_static_init(ngx_conf_t *cf); - - -static ngx_http_module_t ngx_http_static_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_static_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_static_module = { - NGX_MODULE_V1, - &ngx_http_static_module_ctx, /* module context */ - NULL, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_static_handler(ngx_http_request_t *r) -{ - u_char *last, *location; - size_t root, len; - ngx_str_t path; - ngx_int_t rc; - ngx_uint_t level; - ngx_log_t *log; - ngx_buf_t *b; - ngx_chain_t out; - ngx_open_file_info_t of; - ngx_http_core_loc_conf_t *clcf; - - if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD|NGX_HTTP_POST))) { - return NGX_HTTP_NOT_ALLOWED; - } - - if (r->uri.data[r->uri.len - 1] == '/') { - return NGX_DECLINED; - } - - log = r->connection->log; - - /* - * ngx_http_map_uri_to_path() allocates memory for terminating '\0' - * so we do not need to reserve memory for '/' for possible redirect - */ - - last = ngx_http_map_uri_to_path(r, &path, &root, 0); - if (last == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - path.len = last - path.data; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, - "http filename: \"%s\"", path.data); - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - ngx_memzero(&of, sizeof(ngx_open_file_info_t)); - - of.read_ahead = clcf->read_ahead; - of.directio = clcf->directio; - of.valid = clcf->open_file_cache_valid; - of.min_uses = clcf->open_file_cache_min_uses; - of.errors = clcf->open_file_cache_errors; - of.events = clcf->open_file_cache_events; - - if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) - != NGX_OK) - { - switch (of.err) { - - case 0: - return NGX_HTTP_INTERNAL_SERVER_ERROR; - - case NGX_ENOENT: - case NGX_ENOTDIR: - case NGX_ENAMETOOLONG: - - level = NGX_LOG_ERR; - rc = NGX_HTTP_NOT_FOUND; - break; - - case NGX_EACCES: -#if (NGX_HAVE_OPENAT) - case NGX_EMLINK: - case NGX_ELOOP: -#endif - - level = NGX_LOG_ERR; - rc = NGX_HTTP_FORBIDDEN; - break; - - default: - - level = NGX_LOG_CRIT; - rc = NGX_HTTP_INTERNAL_SERVER_ERROR; - break; - } - - if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { - ngx_log_error(level, log, of.err, - "%s \"%s\" failed", of.failed, path.data); - } - - return rc; - } - - r->root_tested = !r->error_page; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "http static fd: %d", of.fd); - - if (of.is_dir) { - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http dir"); - - ngx_http_clear_location(r); - - r->headers_out.location = ngx_list_push(&r->headers_out.headers); - if (r->headers_out.location == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - len = r->uri.len + 1; - - if (!clcf->alias && clcf->root_lengths == NULL && r->args.len == 0) { - location = path.data + clcf->root.len; - - *last = '/'; - - } else { - if (r->args.len) { - len += r->args.len + 1; - } - - location = ngx_pnalloc(r->pool, len); - if (location == NULL) { - ngx_http_clear_location(r); - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - last = ngx_copy(location, r->uri.data, r->uri.len); - - *last = '/'; - - if (r->args.len) { - *++last = '?'; - ngx_memcpy(++last, r->args.data, r->args.len); - } - } - - r->headers_out.location->hash = 1; - ngx_str_set(&r->headers_out.location->key, "Location"); - r->headers_out.location->value.len = len; - r->headers_out.location->value.data = location; - - return NGX_HTTP_MOVED_PERMANENTLY; - } - -#if !(NGX_WIN32) /* the not regular files are probably Unix specific */ - - if (!of.is_file) { - ngx_log_error(NGX_LOG_CRIT, log, 0, - "\"%s\" is not a regular file", path.data); - - return NGX_HTTP_NOT_FOUND; - } - -#endif - - if (r->method == NGX_HTTP_POST) { - return NGX_HTTP_NOT_ALLOWED; - } - - rc = ngx_http_discard_request_body(r); - - if (rc != NGX_OK) { - return rc; - } - - log->action = "sending response to client"; - - r->headers_out.status = NGX_HTTP_OK; - r->headers_out.content_length_n = of.size; - r->headers_out.last_modified_time = of.mtime; - - if (ngx_http_set_etag(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_http_set_content_type(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (r != r->main && of.size == 0) { - return ngx_http_send_header(r); - } - - r->allow_ranges = 1; - - /* we need to allocate all before the header would be sent */ - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); - if (b->file == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - rc = ngx_http_send_header(r); - - if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { - return rc; - } - - b->file_pos = 0; - b->file_last = of.size; - - b->in_file = b->file_last ? 1: 0; - b->last_buf = (r == r->main) ? 1: 0; - b->last_in_chain = 1; - - b->file->fd = of.fd; - b->file->name = path; - b->file->log = log; - b->file->directio = of.is_directio; - - out.buf = b; - out.next = NULL; - - return ngx_http_output_filter(r, &out); -} - - -static ngx_int_t -ngx_http_static_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_static_handler; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_stub_status_module.c b/nginx/src/http/modules/ngx_http_stub_status_module.c deleted file mode 100644 index 9bdf881..0000000 --- a/nginx/src/http/modules/ngx_http_stub_status_module.c +++ /dev/null @@ -1,236 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -static ngx_int_t ngx_http_stub_status_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_stub_status_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_stub_status_add_variables(ngx_conf_t *cf); -static char *ngx_http_set_stub_status(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_command_t ngx_http_status_commands[] = { - - { ngx_string("stub_status"), - NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS|NGX_CONF_TAKE1, - ngx_http_set_stub_status, - 0, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_stub_status_module_ctx = { - ngx_http_stub_status_add_variables, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_stub_status_module = { - NGX_MODULE_V1, - &ngx_http_stub_status_module_ctx, /* module context */ - ngx_http_status_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_variable_t ngx_http_stub_status_vars[] = { - - { ngx_string("connections_active"), NULL, ngx_http_stub_status_variable, - 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("connections_reading"), NULL, ngx_http_stub_status_variable, - 1, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("connections_writing"), NULL, ngx_http_stub_status_variable, - 2, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("connections_waiting"), NULL, ngx_http_stub_status_variable, - 3, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - ngx_http_null_variable -}; - - -static ngx_int_t -ngx_http_stub_status_handler(ngx_http_request_t *r) -{ - size_t size; - ngx_int_t rc; - ngx_buf_t *b; - ngx_chain_t out; - ngx_atomic_int_t ap, hn, ac, rq, rd, wr, wa; - - if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { - return NGX_HTTP_NOT_ALLOWED; - } - - rc = ngx_http_discard_request_body(r); - - if (rc != NGX_OK) { - return rc; - } - - r->headers_out.content_type_len = sizeof("text/plain") - 1; - ngx_str_set(&r->headers_out.content_type, "text/plain"); - r->headers_out.content_type_lowcase = NULL; - - if (r->method == NGX_HTTP_HEAD) { - r->headers_out.status = NGX_HTTP_OK; - - rc = ngx_http_send_header(r); - - if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { - return rc; - } - } - - size = sizeof("Active connections: \n") + NGX_ATOMIC_T_LEN - + sizeof("server accepts handled requests\n") - 1 - + 6 + 3 * NGX_ATOMIC_T_LEN - + sizeof("Reading: Writing: Waiting: \n") + 3 * NGX_ATOMIC_T_LEN; - - b = ngx_create_temp_buf(r->pool, size); - if (b == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - out.buf = b; - out.next = NULL; - - ap = *ngx_stat_accepted; - hn = *ngx_stat_handled; - ac = *ngx_stat_active; - rq = *ngx_stat_requests; - rd = *ngx_stat_reading; - wr = *ngx_stat_writing; - wa = *ngx_stat_waiting; - - b->last = ngx_sprintf(b->last, "Active connections: %uA \n", ac); - - b->last = ngx_cpymem(b->last, "server accepts handled requests\n", - sizeof("server accepts handled requests\n") - 1); - - b->last = ngx_sprintf(b->last, " %uA %uA %uA \n", ap, hn, rq); - - b->last = ngx_sprintf(b->last, "Reading: %uA Writing: %uA Waiting: %uA \n", - rd, wr, wa); - - r->headers_out.status = NGX_HTTP_OK; - r->headers_out.content_length_n = b->last - b->pos; - - b->last_buf = (r == r->main) ? 1 : 0; - b->last_in_chain = 1; - - rc = ngx_http_send_header(r); - - if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { - return rc; - } - - return ngx_http_output_filter(r, &out); -} - - -static ngx_int_t -ngx_http_stub_status_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - ngx_atomic_int_t value; - - p = ngx_pnalloc(r->pool, NGX_ATOMIC_T_LEN); - if (p == NULL) { - return NGX_ERROR; - } - - switch (data) { - case 0: - value = *ngx_stat_active; - break; - - case 1: - value = *ngx_stat_reading; - break; - - case 2: - value = *ngx_stat_writing; - break; - - case 3: - value = *ngx_stat_waiting; - break; - - /* suppress warning */ - default: - value = 0; - break; - } - - v->len = ngx_sprintf(p, "%uA", value) - p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_stub_status_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var, *v; - - for (v = ngx_http_stub_status_vars; v->name.len; v++) { - var = ngx_http_add_variable(cf, &v->name, v->flags); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = v->get_handler; - var->data = v->data; - } - - return NGX_OK; -} - - -static char * -ngx_http_set_stub_status(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf; - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - clcf->handler = ngx_http_stub_status_handler; - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_sub_filter_module.c b/nginx/src/http/modules/ngx_http_sub_filter_module.c deleted file mode 100644 index 6d3de59..0000000 --- a/nginx/src/http/modules/ngx_http_sub_filter_module.c +++ /dev/null @@ -1,1018 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_http_complex_value_t match; - ngx_http_complex_value_t value; -} ngx_http_sub_pair_t; - - -typedef struct { - ngx_str_t match; - ngx_http_complex_value_t *value; -} ngx_http_sub_match_t; - - -typedef struct { - ngx_uint_t min_match_len; - ngx_uint_t max_match_len; - - u_char index[257]; - u_char shift[256]; -} ngx_http_sub_tables_t; - - -typedef struct { - ngx_uint_t dynamic; /* unsigned dynamic:1; */ - - ngx_array_t *pairs; - - ngx_http_sub_tables_t *tables; - - ngx_hash_t types; - - ngx_flag_t once; - ngx_flag_t last_modified; - - ngx_array_t *types_keys; - ngx_array_t *matches; -} ngx_http_sub_loc_conf_t; - - -typedef struct { - ngx_str_t saved; - ngx_str_t looked; - - ngx_uint_t once; /* unsigned once:1 */ - - ngx_buf_t *buf; - - u_char *pos; - u_char *copy_start; - u_char *copy_end; - - ngx_chain_t *in; - ngx_chain_t *out; - ngx_chain_t **last_out; - ngx_chain_t *busy; - ngx_chain_t *free; - - ngx_str_t *sub; - ngx_uint_t applied; - - ngx_int_t offset; - ngx_uint_t index; - - ngx_http_sub_tables_t *tables; - ngx_array_t *matches; -} ngx_http_sub_ctx_t; - - -static ngx_uint_t ngx_http_sub_cmp_index; - - -static ngx_int_t ngx_http_sub_output(ngx_http_request_t *r, - ngx_http_sub_ctx_t *ctx); -static ngx_int_t ngx_http_sub_parse(ngx_http_request_t *r, - ngx_http_sub_ctx_t *ctx, ngx_uint_t flush); -static ngx_int_t ngx_http_sub_match(ngx_http_sub_ctx_t *ctx, ngx_int_t start, - ngx_str_t *m); - -static char * ngx_http_sub_filter(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static void *ngx_http_sub_create_conf(ngx_conf_t *cf); -static char *ngx_http_sub_merge_conf(ngx_conf_t *cf, - void *parent, void *child); -static void ngx_http_sub_init_tables(ngx_http_sub_tables_t *tables, - ngx_http_sub_match_t *match, ngx_uint_t n); -static ngx_int_t ngx_http_sub_cmp_matches(const void *one, const void *two); -static ngx_int_t ngx_http_sub_filter_init(ngx_conf_t *cf); - - -static ngx_command_t ngx_http_sub_filter_commands[] = { - - { ngx_string("sub_filter"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_http_sub_filter, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("sub_filter_types"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_types_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_sub_loc_conf_t, types_keys), - &ngx_http_html_default_types[0] }, - - { ngx_string("sub_filter_once"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_sub_loc_conf_t, once), - NULL }, - - { ngx_string("sub_filter_last_modified"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_sub_loc_conf_t, last_modified), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_sub_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_sub_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_sub_create_conf, /* create location configuration */ - ngx_http_sub_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_sub_filter_module = { - NGX_MODULE_V1, - &ngx_http_sub_filter_module_ctx, /* module context */ - ngx_http_sub_filter_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static ngx_int_t -ngx_http_sub_header_filter(ngx_http_request_t *r) -{ - ngx_str_t *m; - ngx_uint_t i, j, n; - ngx_http_sub_ctx_t *ctx; - ngx_http_sub_pair_t *pairs; - ngx_http_sub_match_t *matches; - ngx_http_sub_loc_conf_t *slcf; - - slcf = ngx_http_get_module_loc_conf(r, ngx_http_sub_filter_module); - - if (slcf->pairs == NULL - || r->headers_out.content_length_n == 0 - || ngx_http_test_content_type(r, &slcf->types) == NULL) - { - return ngx_http_next_header_filter(r); - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_sub_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - if (slcf->dynamic == 0) { - ctx->tables = slcf->tables; - ctx->matches = slcf->matches; - - } else { - pairs = slcf->pairs->elts; - n = slcf->pairs->nelts; - - matches = ngx_pcalloc(r->pool, sizeof(ngx_http_sub_match_t) * n); - if (matches == NULL) { - return NGX_ERROR; - } - - j = 0; - for (i = 0; i < n; i++) { - matches[j].value = &pairs[i].value; - - if (pairs[i].match.lengths == NULL) { - matches[j].match = pairs[i].match.value; - j++; - continue; - } - - m = &matches[j].match; - if (ngx_http_complex_value(r, &pairs[i].match, m) != NGX_OK) { - return NGX_ERROR; - } - - if (m->len == 0) { - continue; - } - - ngx_strlow(m->data, m->data, m->len); - j++; - } - - if (j == 0) { - return ngx_http_next_header_filter(r); - } - - ctx->matches = ngx_palloc(r->pool, sizeof(ngx_array_t)); - if (ctx->matches == NULL) { - return NGX_ERROR; - } - - ctx->matches->elts = matches; - ctx->matches->nelts = j; - - ctx->tables = ngx_palloc(r->pool, sizeof(ngx_http_sub_tables_t)); - if (ctx->tables == NULL) { - return NGX_ERROR; - } - - ngx_http_sub_init_tables(ctx->tables, ctx->matches->elts, - ctx->matches->nelts); - } - - ctx->saved.data = ngx_pnalloc(r->pool, ctx->tables->max_match_len - 1); - if (ctx->saved.data == NULL) { - return NGX_ERROR; - } - - ctx->looked.data = ngx_pnalloc(r->pool, ctx->tables->max_match_len - 1); - if (ctx->looked.data == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_sub_filter_module); - - ctx->offset = ctx->tables->min_match_len - 1; - ctx->last_out = &ctx->out; - - r->filter_need_in_memory = 1; - - if (r == r->main) { - ngx_http_clear_content_length(r); - - if (!slcf->last_modified) { - ngx_http_clear_last_modified(r); - ngx_http_clear_etag(r); - - } else { - ngx_http_weak_etag(r); - } - } - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_sub_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - ngx_int_t rc; - ngx_buf_t *b; - ngx_str_t *sub; - ngx_uint_t flush, last; - ngx_chain_t *cl; - ngx_http_sub_ctx_t *ctx; - ngx_http_sub_match_t *match; - ngx_http_sub_loc_conf_t *slcf; - - ctx = ngx_http_get_module_ctx(r, ngx_http_sub_filter_module); - - if (ctx == NULL) { - return ngx_http_next_body_filter(r, in); - } - - if ((in == NULL - && ctx->buf == NULL - && ctx->in == NULL - && ctx->busy == NULL)) - { - return ngx_http_next_body_filter(r, in); - } - - if (ctx->once && (ctx->buf == NULL || ctx->in == NULL)) { - - if (ctx->busy) { - if (ngx_http_sub_output(r, ctx) == NGX_ERROR) { - return NGX_ERROR; - } - } - - return ngx_http_next_body_filter(r, in); - } - - /* add the incoming chain to the chain ctx->in */ - - if (in) { - if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) { - return NGX_ERROR; - } - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http sub filter \"%V\"", &r->uri); - - flush = 0; - last = 0; - - while (ctx->in || ctx->buf) { - - if (ctx->buf == NULL) { - ctx->buf = ctx->in->buf; - ctx->in = ctx->in->next; - ctx->pos = ctx->buf->pos; - } - - if (ctx->buf->flush || ctx->buf->recycled) { - flush = 1; - } - - if (ctx->in == NULL) { - last = flush; - } - - b = NULL; - - while (ctx->pos < ctx->buf->last) { - - rc = ngx_http_sub_parse(r, ctx, last); - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "parse: %i, looked: \"%V\" %p-%p", - rc, &ctx->looked, ctx->copy_start, ctx->copy_end); - - if (rc == NGX_ERROR) { - return rc; - } - - if (ctx->saved.len) { - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "saved: \"%V\"", &ctx->saved); - - cl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - - ngx_memzero(b, sizeof(ngx_buf_t)); - - b->pos = ngx_pnalloc(r->pool, ctx->saved.len); - if (b->pos == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(b->pos, ctx->saved.data, ctx->saved.len); - b->last = b->pos + ctx->saved.len; - b->memory = 1; - - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - ctx->saved.len = 0; - } - - if (ctx->copy_start != ctx->copy_end) { - - cl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - - ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t)); - - b->pos = ctx->copy_start; - b->last = ctx->copy_end; - b->shadow = NULL; - b->last_buf = 0; - b->last_in_chain = 0; - b->recycled = 0; - - if (b->in_file) { - b->file_last = b->file_pos + (b->last - ctx->buf->pos); - b->file_pos += b->pos - ctx->buf->pos; - } - - *ctx->last_out = cl; - ctx->last_out = &cl->next; - } - - if (rc == NGX_AGAIN) { - continue; - } - - - /* rc == NGX_OK */ - - cl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - - ngx_memzero(b, sizeof(ngx_buf_t)); - - slcf = ngx_http_get_module_loc_conf(r, ngx_http_sub_filter_module); - - if (ctx->sub == NULL) { - ctx->sub = ngx_pcalloc(r->pool, sizeof(ngx_str_t) - * ctx->matches->nelts); - if (ctx->sub == NULL) { - return NGX_ERROR; - } - } - - sub = &ctx->sub[ctx->index]; - - if (sub->data == NULL) { - match = ctx->matches->elts; - - if (ngx_http_complex_value(r, match[ctx->index].value, sub) - != NGX_OK) - { - return NGX_ERROR; - } - } - - if (sub->len) { - b->memory = 1; - b->pos = sub->data; - b->last = sub->data + sub->len; - - } else { - b->sync = 1; - } - - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - ctx->index = 0; - ctx->once = slcf->once && (++ctx->applied == ctx->matches->nelts); - - continue; - } - - if (ctx->looked.len - && (ctx->buf->last_buf || ctx->buf->last_in_chain)) - { - cl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - - ngx_memzero(b, sizeof(ngx_buf_t)); - - b->pos = ctx->looked.data; - b->last = b->pos + ctx->looked.len; - b->memory = 1; - - *ctx->last_out = cl; - ctx->last_out = &cl->next; - - ctx->looked.len = 0; - } - - if (ctx->buf->last_buf || ctx->buf->flush || ctx->buf->sync - || ngx_buf_in_memory(ctx->buf)) - { - if (b == NULL) { - cl = ngx_chain_get_free_buf(r->pool, &ctx->free); - if (cl == NULL) { - return NGX_ERROR; - } - - b = cl->buf; - - ngx_memzero(b, sizeof(ngx_buf_t)); - - b->sync = 1; - - *ctx->last_out = cl; - ctx->last_out = &cl->next; - } - - b->last_buf = ctx->buf->last_buf; - b->last_in_chain = ctx->buf->last_in_chain; - b->flush = ctx->buf->flush; - b->shadow = ctx->buf; - - b->recycled = ctx->buf->recycled; - } - - ctx->buf = NULL; - } - - if (ctx->out == NULL && ctx->busy == NULL) { - return NGX_OK; - } - - return ngx_http_sub_output(r, ctx); -} - - -static ngx_int_t -ngx_http_sub_output(ngx_http_request_t *r, ngx_http_sub_ctx_t *ctx) -{ - ngx_int_t rc; - ngx_buf_t *b; - ngx_chain_t *cl; - -#if 1 - b = NULL; - for (cl = ctx->out; cl; cl = cl->next) { - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "sub out: %p %p", cl->buf, cl->buf->pos); - if (cl->buf == b) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "the same buf was used in sub"); - ngx_debug_point(); - return NGX_ERROR; - } - b = cl->buf; - } -#endif - - rc = ngx_http_next_body_filter(r, ctx->out); - - if (ctx->busy == NULL) { - ctx->busy = ctx->out; - - } else { - for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ } - cl->next = ctx->out; - } - - ctx->out = NULL; - ctx->last_out = &ctx->out; - - while (ctx->busy) { - - cl = ctx->busy; - b = cl->buf; - - if (ngx_buf_size(b) != 0) { - break; - } - - if (b->shadow) { - b->shadow->pos = b->shadow->last; - } - - ctx->busy = cl->next; - - if (ngx_buf_in_memory(b) || b->in_file) { - /* add data bufs only to the free buf chain */ - - cl->next = ctx->free; - ctx->free = cl; - } - } - - if (ctx->in || ctx->buf) { - r->buffered |= NGX_HTTP_SUB_BUFFERED; - - } else { - r->buffered &= ~NGX_HTTP_SUB_BUFFERED; - } - - return rc; -} - - -static ngx_int_t -ngx_http_sub_parse(ngx_http_request_t *r, ngx_http_sub_ctx_t *ctx, - ngx_uint_t flush) -{ - u_char *p, c; - ngx_str_t *m; - ngx_int_t offset, start, next, end, len, rc; - ngx_uint_t shift, i, j; - ngx_http_sub_match_t *match; - ngx_http_sub_tables_t *tables; - ngx_http_sub_loc_conf_t *slcf; - - slcf = ngx_http_get_module_loc_conf(r, ngx_http_sub_filter_module); - tables = ctx->tables; - match = ctx->matches->elts; - - offset = ctx->offset; - end = ctx->buf->last - ctx->pos; - - if (ctx->once) { - /* sets start and next to end */ - offset = end + (ngx_int_t) tables->min_match_len - 1; - goto again; - } - - while (offset < end) { - - c = offset < 0 ? ctx->looked.data[ctx->looked.len + offset] - : ctx->pos[offset]; - - c = ngx_tolower(c); - - shift = tables->shift[c]; - if (shift > 0) { - offset += shift; - continue; - } - - /* a potential match */ - - start = offset - (ngx_int_t) tables->min_match_len + 1; - - i = ngx_max((ngx_uint_t) tables->index[c], ctx->index); - j = tables->index[c + 1]; - - while (i != j) { - - if (slcf->once && ctx->sub && ctx->sub[i].data) { - goto next; - } - - m = &match[i].match; - - rc = ngx_http_sub_match(ctx, start, m); - - if (rc == NGX_DECLINED) { - goto next; - } - - ctx->index = i; - - if (rc == NGX_AGAIN) { - goto again; - } - - ctx->offset = offset + (ngx_int_t) m->len; - next = start + (ngx_int_t) m->len; - end = ngx_max(next, 0); - rc = NGX_OK; - - goto done; - - next: - - i++; - } - - offset++; - ctx->index = 0; - } - - if (flush) { - for ( ;; ) { - start = offset - (ngx_int_t) tables->min_match_len + 1; - - if (start >= end) { - break; - } - - for (i = 0; i < ctx->matches->nelts; i++) { - m = &match[i].match; - - if (ngx_http_sub_match(ctx, start, m) == NGX_AGAIN) { - goto again; - } - } - - offset++; - } - } - -again: - - ctx->offset = offset; - start = offset - (ngx_int_t) tables->min_match_len + 1; - next = start; - rc = NGX_AGAIN; - -done: - - /* send [ - looked.len, start ] to client */ - - ctx->saved.len = ctx->looked.len + ngx_min(start, 0); - ngx_memcpy(ctx->saved.data, ctx->looked.data, ctx->saved.len); - - ctx->copy_start = ctx->pos; - ctx->copy_end = ctx->pos + ngx_max(start, 0); - - /* save [ next, end ] in looked */ - - len = ngx_min(next, 0); - p = ctx->looked.data; - p = ngx_movemem(p, p + ctx->looked.len + len, - len); - - len = ngx_max(next, 0); - p = ngx_cpymem(p, ctx->pos + len, end - len); - ctx->looked.len = p - ctx->looked.data; - - /* update position */ - - ctx->pos += end; - ctx->offset -= end; - - return rc; -} - - -static ngx_int_t -ngx_http_sub_match(ngx_http_sub_ctx_t *ctx, ngx_int_t start, ngx_str_t *m) -{ - u_char *p, *last, *pat, *pat_end; - - pat = m->data; - pat_end = m->data + m->len; - - if (start >= 0) { - p = ctx->pos + start; - - } else { - last = ctx->looked.data + ctx->looked.len; - p = last + start; - - while (p < last && pat < pat_end) { - if (ngx_tolower(*p) != *pat) { - return NGX_DECLINED; - } - - p++; - pat++; - } - - p = ctx->pos; - } - - while (p < ctx->buf->last && pat < pat_end) { - if (ngx_tolower(*p) != *pat) { - return NGX_DECLINED; - } - - p++; - pat++; - } - - if (pat != pat_end) { - /* partial match */ - return NGX_AGAIN; - } - - return NGX_OK; -} - - -static char * -ngx_http_sub_filter(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_sub_loc_conf_t *slcf = conf; - - ngx_str_t *value; - ngx_http_sub_pair_t *pair; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (value[1].len == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "empty search pattern"); - return NGX_CONF_ERROR; - } - - if (slcf->pairs == NULL) { - slcf->pairs = ngx_array_create(cf->pool, 1, - sizeof(ngx_http_sub_pair_t)); - if (slcf->pairs == NULL) { - return NGX_CONF_ERROR; - } - } - - if (slcf->pairs->nelts == 255) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "number of search patterns exceeds 255"); - return NGX_CONF_ERROR; - } - - ngx_strlow(value[1].data, value[1].data, value[1].len); - - pair = ngx_array_push(slcf->pairs); - if (pair == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &pair->match; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (ccv.complex_value->lengths != NULL) { - slcf->dynamic = 1; - - } else { - ngx_strlow(pair->match.value.data, pair->match.value.data, - pair->match.value.len); - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[2]; - ccv.complex_value = &pair->value; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static void * -ngx_http_sub_create_conf(ngx_conf_t *cf) -{ - ngx_http_sub_loc_conf_t *slcf; - - slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_sub_loc_conf_t)); - if (slcf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->dynamic = 0; - * conf->pairs = NULL; - * conf->tables = NULL; - * conf->types = { NULL }; - * conf->types_keys = NULL; - * conf->matches = NULL; - */ - - slcf->once = NGX_CONF_UNSET; - slcf->last_modified = NGX_CONF_UNSET; - - return slcf; -} - - -static char * -ngx_http_sub_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_uint_t i, n; - ngx_http_sub_pair_t *pairs; - ngx_http_sub_match_t *matches; - ngx_http_sub_loc_conf_t *prev = parent; - ngx_http_sub_loc_conf_t *conf = child; - - ngx_conf_merge_value(conf->once, prev->once, 1); - ngx_conf_merge_value(conf->last_modified, prev->last_modified, 0); - - if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types, - &prev->types_keys, &prev->types, - ngx_http_html_default_types) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - if (conf->pairs == NULL) { - conf->dynamic = prev->dynamic; - conf->pairs = prev->pairs; - conf->matches = prev->matches; - conf->tables = prev->tables; - } - - if (conf->pairs && conf->dynamic == 0 && conf->tables == NULL) { - pairs = conf->pairs->elts; - n = conf->pairs->nelts; - - matches = ngx_palloc(cf->pool, sizeof(ngx_http_sub_match_t) * n); - if (matches == NULL) { - return NGX_CONF_ERROR; - } - - for (i = 0; i < n; i++) { - matches[i].match = pairs[i].match.value; - matches[i].value = &pairs[i].value; - } - - conf->matches = ngx_palloc(cf->pool, sizeof(ngx_array_t)); - if (conf->matches == NULL) { - return NGX_CONF_ERROR; - } - - conf->matches->elts = matches; - conf->matches->nelts = n; - - conf->tables = ngx_palloc(cf->pool, sizeof(ngx_http_sub_tables_t)); - if (conf->tables == NULL) { - return NGX_CONF_ERROR; - } - - ngx_http_sub_init_tables(conf->tables, conf->matches->elts, - conf->matches->nelts); - } - - return NGX_CONF_OK; -} - - -static void -ngx_http_sub_init_tables(ngx_http_sub_tables_t *tables, - ngx_http_sub_match_t *match, ngx_uint_t n) -{ - u_char c; - ngx_uint_t i, j, min, max, ch; - - min = match[0].match.len; - max = match[0].match.len; - - for (i = 1; i < n; i++) { - min = ngx_min(min, match[i].match.len); - max = ngx_max(max, match[i].match.len); - } - - tables->min_match_len = min; - tables->max_match_len = max; - - ngx_http_sub_cmp_index = tables->min_match_len - 1; - ngx_sort(match, n, sizeof(ngx_http_sub_match_t), ngx_http_sub_cmp_matches); - - min = ngx_min(min, 255); - ngx_memset(tables->shift, min, 256); - - ch = 0; - - for (i = 0; i < n; i++) { - - for (j = 0; j < min; j++) { - c = match[i].match.data[tables->min_match_len - 1 - j]; - tables->shift[c] = ngx_min(tables->shift[c], (u_char) j); - } - - c = match[i].match.data[tables->min_match_len - 1]; - while (ch <= (ngx_uint_t) c) { - tables->index[ch++] = (u_char) i; - } - } - - while (ch < 257) { - tables->index[ch++] = (u_char) n; - } -} - - -static ngx_int_t -ngx_http_sub_cmp_matches(const void *one, const void *two) -{ - ngx_int_t c1, c2; - ngx_http_sub_match_t *first, *second; - - first = (ngx_http_sub_match_t *) one; - second = (ngx_http_sub_match_t *) two; - - c1 = first->match.data[ngx_http_sub_cmp_index]; - c2 = second->match.data[ngx_http_sub_cmp_index]; - - return c1 - c2; -} - - -static ngx_int_t -ngx_http_sub_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_sub_header_filter; - - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_sub_body_filter; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_try_files_module.c b/nginx/src/http/modules/ngx_http_try_files_module.c deleted file mode 100644 index ce783a2..0000000 --- a/nginx/src/http/modules/ngx_http_try_files_module.c +++ /dev/null @@ -1,404 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_array_t *lengths; - ngx_array_t *values; - ngx_str_t name; - - unsigned code:10; - unsigned test_dir:1; -} ngx_http_try_file_t; - - -typedef struct { - ngx_http_try_file_t *try_files; -} ngx_http_try_files_loc_conf_t; - - -static ngx_int_t ngx_http_try_files_handler(ngx_http_request_t *r); -static char *ngx_http_try_files(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); -static void *ngx_http_try_files_create_loc_conf(ngx_conf_t *cf); -static ngx_int_t ngx_http_try_files_init(ngx_conf_t *cf); - - -static ngx_command_t ngx_http_try_files_commands[] = { - - { ngx_string("try_files"), - NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE, - ngx_http_try_files, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_try_files_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_try_files_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_try_files_create_loc_conf, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_try_files_module = { - NGX_MODULE_V1, - &ngx_http_try_files_module_ctx, /* module context */ - ngx_http_try_files_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_try_files_handler(ngx_http_request_t *r) -{ - size_t len, root, alias, reserve, allocated; - u_char *p, *name; - ngx_str_t path, args; - ngx_uint_t test_dir; - ngx_http_try_file_t *tf; - ngx_open_file_info_t of; - ngx_http_script_code_pt code; - ngx_http_script_engine_t e; - ngx_http_core_loc_conf_t *clcf; - ngx_http_script_len_code_pt lcode; - ngx_http_try_files_loc_conf_t *tlcf; - - tlcf = ngx_http_get_module_loc_conf(r, ngx_http_try_files_module); - - if (tlcf->try_files == NULL) { - return NGX_DECLINED; - } - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "try files handler"); - - allocated = 0; - root = 0; - name = NULL; - /* suppress MSVC warning */ - path.data = NULL; - - tf = tlcf->try_files; - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - alias = clcf->alias; - - for ( ;; ) { - - if (tf->lengths) { - ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); - - e.ip = tf->lengths->elts; - e.request = r; - - /* 1 is for terminating '\0' as in static names */ - len = 1; - - while (*(uintptr_t *) e.ip) { - lcode = *(ngx_http_script_len_code_pt *) e.ip; - len += lcode(&e); - } - - } else { - len = tf->name.len; - } - - if (!alias) { - reserve = len > r->uri.len ? len - r->uri.len : 0; - - } else if (alias == NGX_MAX_SIZE_T_VALUE) { - reserve = len; - - } else { - reserve = len > r->uri.len - alias ? len - (r->uri.len - alias) : 0; - } - - if (reserve > allocated || !allocated) { - - /* 16 bytes are preallocation */ - allocated = reserve + 16; - - if (ngx_http_map_uri_to_path(r, &path, &root, allocated) == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - name = path.data + root; - } - - if (tf->values == NULL) { - - /* tf->name.len includes the terminating '\0' */ - - ngx_memcpy(name, tf->name.data, tf->name.len); - - path.len = (name + tf->name.len - 1) - path.data; - - } else { - e.ip = tf->values->elts; - e.pos = name; - e.flushed = 1; - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - - path.len = e.pos - path.data; - - *e.pos = '\0'; - - if (alias && alias != NGX_MAX_SIZE_T_VALUE - && ngx_strncmp(name, r->uri.data, alias) == 0) - { - ngx_memmove(name, name + alias, len - alias); - path.len -= alias; - } - } - - test_dir = tf->test_dir; - - tf++; - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "trying to use %s: \"%s\" \"%s\"", - test_dir ? "dir" : "file", name, path.data); - - if (tf->lengths == NULL && tf->name.len == 0) { - - if (tf->code) { - return tf->code; - } - - path.len -= root; - path.data += root; - - if (path.data[0] == '@') { - (void) ngx_http_named_location(r, &path); - - } else { - ngx_http_split_args(r, &path, &args); - - (void) ngx_http_internal_redirect(r, &path, &args); - } - - ngx_http_finalize_request(r, NGX_DONE); - return NGX_DONE; - } - - ngx_memzero(&of, sizeof(ngx_open_file_info_t)); - - of.read_ahead = clcf->read_ahead; - of.directio = clcf->directio; - of.valid = clcf->open_file_cache_valid; - of.min_uses = clcf->open_file_cache_min_uses; - of.test_only = 1; - of.errors = clcf->open_file_cache_errors; - of.events = clcf->open_file_cache_events; - - if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) - != NGX_OK) - { - if (of.err == 0) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (of.err != NGX_ENOENT - && of.err != NGX_ENOTDIR - && of.err != NGX_ENAMETOOLONG) - { - ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, - "%s \"%s\" failed", of.failed, path.data); - } - - continue; - } - - if (of.is_dir != test_dir) { - continue; - } - - path.len -= root; - path.data += root; - - if (!alias) { - r->uri = path; - - } else if (alias == NGX_MAX_SIZE_T_VALUE) { - if (!test_dir) { - r->uri = path; - r->add_uri_to_alias = 1; - } - - } else { - name = r->uri.data; - - r->uri.len = alias + path.len; - r->uri.data = ngx_pnalloc(r->pool, r->uri.len); - if (r->uri.data == NULL) { - r->uri.len = 0; - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - p = ngx_copy(r->uri.data, name, alias); - ngx_memcpy(p, path.data, path.len); - } - - ngx_http_set_exten(r); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "try file uri: \"%V\"", &r->uri); - - return NGX_DECLINED; - } - - /* not reached */ -} - - -static char * -ngx_http_try_files(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_try_files_loc_conf_t *tlcf = conf; - - ngx_str_t *value; - ngx_int_t code; - ngx_uint_t i, n; - ngx_http_try_file_t *tf; - ngx_http_script_compile_t sc; - - if (tlcf->try_files) { - return "is duplicate"; - } - - tf = ngx_pcalloc(cf->pool, cf->args->nelts * sizeof(ngx_http_try_file_t)); - if (tf == NULL) { - return NGX_CONF_ERROR; - } - - tlcf->try_files = tf; - - value = cf->args->elts; - - for (i = 0; i < cf->args->nelts - 1; i++) { - - tf[i].name = value[i + 1]; - - if (tf[i].name.len > 0 - && tf[i].name.data[tf[i].name.len - 1] == '/' - && i + 2 < cf->args->nelts) - { - tf[i].test_dir = 1; - tf[i].name.len--; - tf[i].name.data[tf[i].name.len] = '\0'; - } - - n = ngx_http_script_variables_count(&tf[i].name); - - if (n) { - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &tf[i].name; - sc.lengths = &tf[i].lengths; - sc.values = &tf[i].values; - sc.variables = n; - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - - } else { - /* add trailing '\0' to length */ - tf[i].name.len++; - } - } - - if (tf[i - 1].name.data[0] == '=') { - - code = ngx_atoi(tf[i - 1].name.data + 1, tf[i - 1].name.len - 2); - - if (code == NGX_ERROR || code > 999) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid code \"%*s\"", - tf[i - 1].name.len - 1, tf[i - 1].name.data); - return NGX_CONF_ERROR; - } - - tf[i].code = code; - } - - return NGX_CONF_OK; -} - - -static void * -ngx_http_try_files_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_try_files_loc_conf_t *tlcf; - - tlcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_try_files_loc_conf_t)); - if (tlcf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * tlcf->try_files = NULL; - */ - - return tlcf; -} - - -static ngx_int_t -ngx_http_try_files_init(ngx_conf_t *cf) -{ - ngx_http_handler_pt *h; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_PRECONTENT_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_try_files_handler; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_upstream_hash_module.c b/nginx/src/http/modules/ngx_http_upstream_hash_module.c deleted file mode 100644 index d67f34d..0000000 --- a/nginx/src/http/modules/ngx_http_upstream_hash_module.c +++ /dev/null @@ -1,680 +0,0 @@ - -/* - * Copyright (C) Roman Arutyunyan - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - uint32_t hash; - ngx_str_t *server; -} ngx_http_upstream_chash_point_t; - - -typedef struct { - ngx_uint_t number; - ngx_http_upstream_chash_point_t point[1]; -} ngx_http_upstream_chash_points_t; - - -typedef struct { - ngx_http_complex_value_t key; - ngx_http_upstream_chash_points_t *points; -} ngx_http_upstream_hash_srv_conf_t; - - -typedef struct { - /* the round robin data must be first */ - ngx_http_upstream_rr_peer_data_t rrp; - ngx_http_upstream_hash_srv_conf_t *conf; - ngx_str_t key; - ngx_uint_t tries; - ngx_uint_t rehash; - uint32_t hash; - ngx_event_get_peer_pt get_rr_peer; -} ngx_http_upstream_hash_peer_data_t; - - -static ngx_int_t ngx_http_upstream_init_hash(ngx_conf_t *cf, - ngx_http_upstream_srv_conf_t *us); -static ngx_int_t ngx_http_upstream_init_hash_peer(ngx_http_request_t *r, - ngx_http_upstream_srv_conf_t *us); -static ngx_int_t ngx_http_upstream_get_hash_peer(ngx_peer_connection_t *pc, - void *data); - -static ngx_int_t ngx_http_upstream_init_chash(ngx_conf_t *cf, - ngx_http_upstream_srv_conf_t *us); -static int ngx_libc_cdecl - ngx_http_upstream_chash_cmp_points(const void *one, const void *two); -static ngx_uint_t ngx_http_upstream_find_chash_point( - ngx_http_upstream_chash_points_t *points, uint32_t hash); -static ngx_int_t ngx_http_upstream_init_chash_peer(ngx_http_request_t *r, - ngx_http_upstream_srv_conf_t *us); -static ngx_int_t ngx_http_upstream_get_chash_peer(ngx_peer_connection_t *pc, - void *data); - -static void *ngx_http_upstream_hash_create_conf(ngx_conf_t *cf); -static char *ngx_http_upstream_hash(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_command_t ngx_http_upstream_hash_commands[] = { - - { ngx_string("hash"), - NGX_HTTP_UPS_CONF|NGX_CONF_TAKE12, - ngx_http_upstream_hash, - NGX_HTTP_SRV_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_upstream_hash_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - ngx_http_upstream_hash_create_conf, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_upstream_hash_module = { - NGX_MODULE_V1, - &ngx_http_upstream_hash_module_ctx, /* module context */ - ngx_http_upstream_hash_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_upstream_init_hash(ngx_conf_t *cf, ngx_http_upstream_srv_conf_t *us) -{ - if (ngx_http_upstream_init_round_robin(cf, us) != NGX_OK) { - return NGX_ERROR; - } - - us->peer.init = ngx_http_upstream_init_hash_peer; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_upstream_init_hash_peer(ngx_http_request_t *r, - ngx_http_upstream_srv_conf_t *us) -{ - ngx_http_upstream_hash_srv_conf_t *hcf; - ngx_http_upstream_hash_peer_data_t *hp; - - hp = ngx_palloc(r->pool, sizeof(ngx_http_upstream_hash_peer_data_t)); - if (hp == NULL) { - return NGX_ERROR; - } - - r->upstream->peer.data = &hp->rrp; - - if (ngx_http_upstream_init_round_robin_peer(r, us) != NGX_OK) { - return NGX_ERROR; - } - - r->upstream->peer.get = ngx_http_upstream_get_hash_peer; - - hcf = ngx_http_conf_upstream_srv_conf(us, ngx_http_upstream_hash_module); - - if (ngx_http_complex_value(r, &hcf->key, &hp->key) != NGX_OK) { - return NGX_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "upstream hash key:\"%V\"", &hp->key); - - hp->conf = hcf; - hp->tries = 0; - hp->rehash = 0; - hp->hash = 0; - hp->get_rr_peer = ngx_http_upstream_get_round_robin_peer; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_upstream_get_hash_peer(ngx_peer_connection_t *pc, void *data) -{ - ngx_http_upstream_hash_peer_data_t *hp = data; - - time_t now; - u_char buf[NGX_INT_T_LEN]; - size_t size; - uint32_t hash; - ngx_int_t w; - uintptr_t m; - ngx_uint_t n, p; - ngx_http_upstream_rr_peer_t *peer; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "get hash peer, try: %ui", pc->tries); - - ngx_http_upstream_rr_peers_wlock(hp->rrp.peers); - - if (hp->tries > 20 || hp->rrp.peers->single) { - ngx_http_upstream_rr_peers_unlock(hp->rrp.peers); - return hp->get_rr_peer(pc, &hp->rrp); - } - - now = ngx_time(); - - pc->cached = 0; - pc->connection = NULL; - - for ( ;; ) { - - /* - * Hash expression is compatible with Cache::Memcached: - * ((crc32([REHASH] KEY) >> 16) & 0x7fff) + PREV_HASH - * with REHASH omitted at the first iteration. - */ - - ngx_crc32_init(hash); - - if (hp->rehash > 0) { - size = ngx_sprintf(buf, "%ui", hp->rehash) - buf; - ngx_crc32_update(&hash, buf, size); - } - - ngx_crc32_update(&hash, hp->key.data, hp->key.len); - ngx_crc32_final(hash); - - hash = (hash >> 16) & 0x7fff; - - hp->hash += hash; - hp->rehash++; - - w = hp->hash % hp->rrp.peers->total_weight; - peer = hp->rrp.peers->peer; - p = 0; - - while (w >= peer->weight) { - w -= peer->weight; - peer = peer->next; - p++; - } - - n = p / (8 * sizeof(uintptr_t)); - m = (uintptr_t) 1 << p % (8 * sizeof(uintptr_t)); - - if (hp->rrp.tried[n] & m) { - goto next; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "get hash peer, value:%uD, peer:%ui", hp->hash, p); - - if (peer->down) { - goto next; - } - - if (peer->max_fails - && peer->fails >= peer->max_fails - && now - peer->checked <= peer->fail_timeout) - { - goto next; - } - - if (peer->max_conns && peer->conns >= peer->max_conns) { - goto next; - } - - break; - - next: - - if (++hp->tries > 20) { - ngx_http_upstream_rr_peers_unlock(hp->rrp.peers); - return hp->get_rr_peer(pc, &hp->rrp); - } - } - - hp->rrp.current = peer; - - pc->sockaddr = peer->sockaddr; - pc->socklen = peer->socklen; - pc->name = &peer->name; - - peer->conns++; - - if (now - peer->checked > peer->fail_timeout) { - peer->checked = now; - } - - ngx_http_upstream_rr_peers_unlock(hp->rrp.peers); - - hp->rrp.tried[n] |= m; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_upstream_init_chash(ngx_conf_t *cf, ngx_http_upstream_srv_conf_t *us) -{ - u_char *host, *port, c; - size_t host_len, port_len, size; - uint32_t hash, base_hash; - ngx_str_t *server; - ngx_uint_t npoints, i, j; - ngx_http_upstream_rr_peer_t *peer; - ngx_http_upstream_rr_peers_t *peers; - ngx_http_upstream_chash_points_t *points; - ngx_http_upstream_hash_srv_conf_t *hcf; - union { - uint32_t value; - u_char byte[4]; - } prev_hash; - - if (ngx_http_upstream_init_round_robin(cf, us) != NGX_OK) { - return NGX_ERROR; - } - - us->peer.init = ngx_http_upstream_init_chash_peer; - - peers = us->peer.data; - npoints = peers->total_weight * 160; - - size = sizeof(ngx_http_upstream_chash_points_t) - + sizeof(ngx_http_upstream_chash_point_t) * (npoints - 1); - - points = ngx_palloc(cf->pool, size); - if (points == NULL) { - return NGX_ERROR; - } - - points->number = 0; - - for (peer = peers->peer; peer; peer = peer->next) { - server = &peer->server; - - /* - * Hash expression is compatible with Cache::Memcached::Fast: - * crc32(HOST \0 PORT PREV_HASH). - */ - - if (server->len >= 5 - && ngx_strncasecmp(server->data, (u_char *) "unix:", 5) == 0) - { - host = server->data + 5; - host_len = server->len - 5; - port = NULL; - port_len = 0; - goto done; - } - - for (j = 0; j < server->len; j++) { - c = server->data[server->len - j - 1]; - - if (c == ':') { - host = server->data; - host_len = server->len - j - 1; - port = server->data + server->len - j; - port_len = j; - goto done; - } - - if (c < '0' || c > '9') { - break; - } - } - - host = server->data; - host_len = server->len; - port = NULL; - port_len = 0; - - done: - - ngx_crc32_init(base_hash); - ngx_crc32_update(&base_hash, host, host_len); - ngx_crc32_update(&base_hash, (u_char *) "", 1); - ngx_crc32_update(&base_hash, port, port_len); - - prev_hash.value = 0; - npoints = peer->weight * 160; - - for (j = 0; j < npoints; j++) { - hash = base_hash; - - ngx_crc32_update(&hash, prev_hash.byte, 4); - ngx_crc32_final(hash); - - points->point[points->number].hash = hash; - points->point[points->number].server = server; - points->number++; - -#if (NGX_HAVE_LITTLE_ENDIAN) - prev_hash.value = hash; -#else - prev_hash.byte[0] = (u_char) (hash & 0xff); - prev_hash.byte[1] = (u_char) ((hash >> 8) & 0xff); - prev_hash.byte[2] = (u_char) ((hash >> 16) & 0xff); - prev_hash.byte[3] = (u_char) ((hash >> 24) & 0xff); -#endif - } - } - - ngx_qsort(points->point, - points->number, - sizeof(ngx_http_upstream_chash_point_t), - ngx_http_upstream_chash_cmp_points); - - for (i = 0, j = 1; j < points->number; j++) { - if (points->point[i].hash != points->point[j].hash) { - points->point[++i] = points->point[j]; - } - } - - points->number = i + 1; - - hcf = ngx_http_conf_upstream_srv_conf(us, ngx_http_upstream_hash_module); - hcf->points = points; - - return NGX_OK; -} - - -static int ngx_libc_cdecl -ngx_http_upstream_chash_cmp_points(const void *one, const void *two) -{ - ngx_http_upstream_chash_point_t *first = - (ngx_http_upstream_chash_point_t *) one; - ngx_http_upstream_chash_point_t *second = - (ngx_http_upstream_chash_point_t *) two; - - if (first->hash < second->hash) { - return -1; - - } else if (first->hash > second->hash) { - return 1; - - } else { - return 0; - } -} - - -static ngx_uint_t -ngx_http_upstream_find_chash_point(ngx_http_upstream_chash_points_t *points, - uint32_t hash) -{ - ngx_uint_t i, j, k; - ngx_http_upstream_chash_point_t *point; - - /* find first point >= hash */ - - point = &points->point[0]; - - i = 0; - j = points->number; - - while (i < j) { - k = (i + j) / 2; - - if (hash > point[k].hash) { - i = k + 1; - - } else if (hash < point[k].hash) { - j = k; - - } else { - return k; - } - } - - return i; -} - - -static ngx_int_t -ngx_http_upstream_init_chash_peer(ngx_http_request_t *r, - ngx_http_upstream_srv_conf_t *us) -{ - uint32_t hash; - ngx_http_upstream_hash_srv_conf_t *hcf; - ngx_http_upstream_hash_peer_data_t *hp; - - if (ngx_http_upstream_init_hash_peer(r, us) != NGX_OK) { - return NGX_ERROR; - } - - r->upstream->peer.get = ngx_http_upstream_get_chash_peer; - - hp = r->upstream->peer.data; - hcf = ngx_http_conf_upstream_srv_conf(us, ngx_http_upstream_hash_module); - - hash = ngx_crc32_long(hp->key.data, hp->key.len); - - ngx_http_upstream_rr_peers_rlock(hp->rrp.peers); - - hp->hash = ngx_http_upstream_find_chash_point(hcf->points, hash); - - ngx_http_upstream_rr_peers_unlock(hp->rrp.peers); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_upstream_get_chash_peer(ngx_peer_connection_t *pc, void *data) -{ - ngx_http_upstream_hash_peer_data_t *hp = data; - - time_t now; - intptr_t m; - ngx_str_t *server; - ngx_int_t total; - ngx_uint_t i, n, best_i; - ngx_http_upstream_rr_peer_t *peer, *best; - ngx_http_upstream_chash_point_t *point; - ngx_http_upstream_chash_points_t *points; - ngx_http_upstream_hash_srv_conf_t *hcf; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "get consistent hash peer, try: %ui", pc->tries); - - ngx_http_upstream_rr_peers_wlock(hp->rrp.peers); - - if (hp->tries > 20 || hp->rrp.peers->single) { - ngx_http_upstream_rr_peers_unlock(hp->rrp.peers); - return hp->get_rr_peer(pc, &hp->rrp); - } - - pc->cached = 0; - pc->connection = NULL; - - now = ngx_time(); - hcf = hp->conf; - - points = hcf->points; - point = &points->point[0]; - - for ( ;; ) { - server = point[hp->hash % points->number].server; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "consistent hash peer:%uD, server:\"%V\"", - hp->hash, server); - - best = NULL; - best_i = 0; - total = 0; - - for (peer = hp->rrp.peers->peer, i = 0; - peer; - peer = peer->next, i++) - { - n = i / (8 * sizeof(uintptr_t)); - m = (uintptr_t) 1 << i % (8 * sizeof(uintptr_t)); - - if (hp->rrp.tried[n] & m) { - continue; - } - - if (peer->down) { - continue; - } - - if (peer->max_fails - && peer->fails >= peer->max_fails - && now - peer->checked <= peer->fail_timeout) - { - continue; - } - - if (peer->max_conns && peer->conns >= peer->max_conns) { - continue; - } - - if (peer->server.len != server->len - || ngx_strncmp(peer->server.data, server->data, server->len) - != 0) - { - continue; - } - - peer->current_weight += peer->effective_weight; - total += peer->effective_weight; - - if (peer->effective_weight < peer->weight) { - peer->effective_weight++; - } - - if (best == NULL || peer->current_weight > best->current_weight) { - best = peer; - best_i = i; - } - } - - if (best) { - best->current_weight -= total; - goto found; - } - - hp->hash++; - hp->tries++; - - if (hp->tries > 20) { - ngx_http_upstream_rr_peers_unlock(hp->rrp.peers); - return hp->get_rr_peer(pc, &hp->rrp); - } - } - -found: - - hp->rrp.current = best; - - pc->sockaddr = best->sockaddr; - pc->socklen = best->socklen; - pc->name = &best->name; - - best->conns++; - - if (now - best->checked > best->fail_timeout) { - best->checked = now; - } - - ngx_http_upstream_rr_peers_unlock(hp->rrp.peers); - - n = best_i / (8 * sizeof(uintptr_t)); - m = (uintptr_t) 1 << best_i % (8 * sizeof(uintptr_t)); - - hp->rrp.tried[n] |= m; - - return NGX_OK; -} - - -static void * -ngx_http_upstream_hash_create_conf(ngx_conf_t *cf) -{ - ngx_http_upstream_hash_srv_conf_t *conf; - - conf = ngx_palloc(cf->pool, sizeof(ngx_http_upstream_hash_srv_conf_t)); - if (conf == NULL) { - return NULL; - } - - conf->points = NULL; - - return conf; -} - - -static char * -ngx_http_upstream_hash(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_upstream_hash_srv_conf_t *hcf = conf; - - ngx_str_t *value; - ngx_http_upstream_srv_conf_t *uscf; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &hcf->key; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - uscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_upstream_module); - - if (uscf->peer.init_upstream) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "load balancing method redefined"); - } - - uscf->flags = NGX_HTTP_UPSTREAM_CREATE - |NGX_HTTP_UPSTREAM_WEIGHT - |NGX_HTTP_UPSTREAM_MAX_CONNS - |NGX_HTTP_UPSTREAM_MAX_FAILS - |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT - |NGX_HTTP_UPSTREAM_DOWN; - - if (cf->args->nelts == 2) { - uscf->peer.init_upstream = ngx_http_upstream_init_hash; - - } else if (ngx_strcmp(value[2].data, "consistent") == 0) { - uscf->peer.init_upstream = ngx_http_upstream_init_chash; - - } else { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[2]); - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_upstream_ip_hash_module.c b/nginx/src/http/modules/ngx_http_upstream_ip_hash_module.c deleted file mode 100644 index 296108f..0000000 --- a/nginx/src/http/modules/ngx_http_upstream_ip_hash_module.c +++ /dev/null @@ -1,272 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - /* the round robin data must be first */ - ngx_http_upstream_rr_peer_data_t rrp; - - ngx_uint_t hash; - - u_char addrlen; - u_char *addr; - - u_char tries; - - ngx_event_get_peer_pt get_rr_peer; -} ngx_http_upstream_ip_hash_peer_data_t; - - -static ngx_int_t ngx_http_upstream_init_ip_hash_peer(ngx_http_request_t *r, - ngx_http_upstream_srv_conf_t *us); -static ngx_int_t ngx_http_upstream_get_ip_hash_peer(ngx_peer_connection_t *pc, - void *data); -static char *ngx_http_upstream_ip_hash(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_command_t ngx_http_upstream_ip_hash_commands[] = { - - { ngx_string("ip_hash"), - NGX_HTTP_UPS_CONF|NGX_CONF_NOARGS, - ngx_http_upstream_ip_hash, - 0, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_upstream_ip_hash_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_upstream_ip_hash_module = { - NGX_MODULE_V1, - &ngx_http_upstream_ip_hash_module_ctx, /* module context */ - ngx_http_upstream_ip_hash_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static u_char ngx_http_upstream_ip_hash_pseudo_addr[3]; - - -static ngx_int_t -ngx_http_upstream_init_ip_hash(ngx_conf_t *cf, ngx_http_upstream_srv_conf_t *us) -{ - if (ngx_http_upstream_init_round_robin(cf, us) != NGX_OK) { - return NGX_ERROR; - } - - us->peer.init = ngx_http_upstream_init_ip_hash_peer; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_upstream_init_ip_hash_peer(ngx_http_request_t *r, - ngx_http_upstream_srv_conf_t *us) -{ - struct sockaddr_in *sin; -#if (NGX_HAVE_INET6) - struct sockaddr_in6 *sin6; -#endif - ngx_http_upstream_ip_hash_peer_data_t *iphp; - - iphp = ngx_palloc(r->pool, sizeof(ngx_http_upstream_ip_hash_peer_data_t)); - if (iphp == NULL) { - return NGX_ERROR; - } - - r->upstream->peer.data = &iphp->rrp; - - if (ngx_http_upstream_init_round_robin_peer(r, us) != NGX_OK) { - return NGX_ERROR; - } - - r->upstream->peer.get = ngx_http_upstream_get_ip_hash_peer; - - switch (r->connection->sockaddr->sa_family) { - - case AF_INET: - sin = (struct sockaddr_in *) r->connection->sockaddr; - iphp->addr = (u_char *) &sin->sin_addr.s_addr; - iphp->addrlen = 3; - break; - -#if (NGX_HAVE_INET6) - case AF_INET6: - sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; - iphp->addr = (u_char *) &sin6->sin6_addr.s6_addr; - iphp->addrlen = 16; - break; -#endif - - default: - iphp->addr = ngx_http_upstream_ip_hash_pseudo_addr; - iphp->addrlen = 3; - } - - iphp->hash = 89; - iphp->tries = 0; - iphp->get_rr_peer = ngx_http_upstream_get_round_robin_peer; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_upstream_get_ip_hash_peer(ngx_peer_connection_t *pc, void *data) -{ - ngx_http_upstream_ip_hash_peer_data_t *iphp = data; - - time_t now; - ngx_int_t w; - uintptr_t m; - ngx_uint_t i, n, p, hash; - ngx_http_upstream_rr_peer_t *peer; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "get ip hash peer, try: %ui", pc->tries); - - /* TODO: cached */ - - ngx_http_upstream_rr_peers_wlock(iphp->rrp.peers); - - if (iphp->tries > 20 || iphp->rrp.peers->single) { - ngx_http_upstream_rr_peers_unlock(iphp->rrp.peers); - return iphp->get_rr_peer(pc, &iphp->rrp); - } - - now = ngx_time(); - - pc->cached = 0; - pc->connection = NULL; - - hash = iphp->hash; - - for ( ;; ) { - - for (i = 0; i < (ngx_uint_t) iphp->addrlen; i++) { - hash = (hash * 113 + iphp->addr[i]) % 6271; - } - - w = hash % iphp->rrp.peers->total_weight; - peer = iphp->rrp.peers->peer; - p = 0; - - while (w >= peer->weight) { - w -= peer->weight; - peer = peer->next; - p++; - } - - n = p / (8 * sizeof(uintptr_t)); - m = (uintptr_t) 1 << p % (8 * sizeof(uintptr_t)); - - if (iphp->rrp.tried[n] & m) { - goto next; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "get ip hash peer, hash: %ui %04XL", p, (uint64_t) m); - - if (peer->down) { - goto next; - } - - if (peer->max_fails - && peer->fails >= peer->max_fails - && now - peer->checked <= peer->fail_timeout) - { - goto next; - } - - if (peer->max_conns && peer->conns >= peer->max_conns) { - goto next; - } - - break; - - next: - - if (++iphp->tries > 20) { - ngx_http_upstream_rr_peers_unlock(iphp->rrp.peers); - return iphp->get_rr_peer(pc, &iphp->rrp); - } - } - - iphp->rrp.current = peer; - - pc->sockaddr = peer->sockaddr; - pc->socklen = peer->socklen; - pc->name = &peer->name; - - peer->conns++; - - if (now - peer->checked > peer->fail_timeout) { - peer->checked = now; - } - - ngx_http_upstream_rr_peers_unlock(iphp->rrp.peers); - - iphp->rrp.tried[n] |= m; - iphp->hash = hash; - - return NGX_OK; -} - - -static char * -ngx_http_upstream_ip_hash(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_upstream_srv_conf_t *uscf; - - uscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_upstream_module); - - if (uscf->peer.init_upstream) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "load balancing method redefined"); - } - - uscf->peer.init_upstream = ngx_http_upstream_init_ip_hash; - - uscf->flags = NGX_HTTP_UPSTREAM_CREATE - |NGX_HTTP_UPSTREAM_WEIGHT - |NGX_HTTP_UPSTREAM_MAX_CONNS - |NGX_HTTP_UPSTREAM_MAX_FAILS - |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT - |NGX_HTTP_UPSTREAM_DOWN; - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_upstream_keepalive_module.c b/nginx/src/http/modules/ngx_http_upstream_keepalive_module.c deleted file mode 100644 index 2283023..0000000 --- a/nginx/src/http/modules/ngx_http_upstream_keepalive_module.c +++ /dev/null @@ -1,530 +0,0 @@ - -/* - * Copyright (C) Maxim Dounin - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_uint_t max_cached; - - ngx_queue_t cache; - ngx_queue_t free; - - ngx_http_upstream_init_pt original_init_upstream; - ngx_http_upstream_init_peer_pt original_init_peer; - -} ngx_http_upstream_keepalive_srv_conf_t; - - -typedef struct { - ngx_http_upstream_keepalive_srv_conf_t *conf; - - ngx_queue_t queue; - ngx_connection_t *connection; - - socklen_t socklen; - ngx_sockaddr_t sockaddr; - -} ngx_http_upstream_keepalive_cache_t; - - -typedef struct { - ngx_http_upstream_keepalive_srv_conf_t *conf; - - ngx_http_upstream_t *upstream; - - void *data; - - ngx_event_get_peer_pt original_get_peer; - ngx_event_free_peer_pt original_free_peer; - -#if (NGX_HTTP_SSL) - ngx_event_set_peer_session_pt original_set_session; - ngx_event_save_peer_session_pt original_save_session; -#endif - -} ngx_http_upstream_keepalive_peer_data_t; - - -static ngx_int_t ngx_http_upstream_init_keepalive_peer(ngx_http_request_t *r, - ngx_http_upstream_srv_conf_t *us); -static ngx_int_t ngx_http_upstream_get_keepalive_peer(ngx_peer_connection_t *pc, - void *data); -static void ngx_http_upstream_free_keepalive_peer(ngx_peer_connection_t *pc, - void *data, ngx_uint_t state); - -static void ngx_http_upstream_keepalive_dummy_handler(ngx_event_t *ev); -static void ngx_http_upstream_keepalive_close_handler(ngx_event_t *ev); -static void ngx_http_upstream_keepalive_close(ngx_connection_t *c); - -#if (NGX_HTTP_SSL) -static ngx_int_t ngx_http_upstream_keepalive_set_session( - ngx_peer_connection_t *pc, void *data); -static void ngx_http_upstream_keepalive_save_session(ngx_peer_connection_t *pc, - void *data); -#endif - -static void *ngx_http_upstream_keepalive_create_conf(ngx_conf_t *cf); -static char *ngx_http_upstream_keepalive(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_command_t ngx_http_upstream_keepalive_commands[] = { - - { ngx_string("keepalive"), - NGX_HTTP_UPS_CONF|NGX_CONF_TAKE1, - ngx_http_upstream_keepalive, - NGX_HTTP_SRV_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_upstream_keepalive_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - ngx_http_upstream_keepalive_create_conf, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_upstream_keepalive_module = { - NGX_MODULE_V1, - &ngx_http_upstream_keepalive_module_ctx, /* module context */ - ngx_http_upstream_keepalive_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_upstream_init_keepalive(ngx_conf_t *cf, - ngx_http_upstream_srv_conf_t *us) -{ - ngx_uint_t i; - ngx_http_upstream_keepalive_srv_conf_t *kcf; - ngx_http_upstream_keepalive_cache_t *cached; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, - "init keepalive"); - - kcf = ngx_http_conf_upstream_srv_conf(us, - ngx_http_upstream_keepalive_module); - - if (kcf->original_init_upstream(cf, us) != NGX_OK) { - return NGX_ERROR; - } - - kcf->original_init_peer = us->peer.init; - - us->peer.init = ngx_http_upstream_init_keepalive_peer; - - /* allocate cache items and add to free queue */ - - cached = ngx_pcalloc(cf->pool, - sizeof(ngx_http_upstream_keepalive_cache_t) * kcf->max_cached); - if (cached == NULL) { - return NGX_ERROR; - } - - ngx_queue_init(&kcf->cache); - ngx_queue_init(&kcf->free); - - for (i = 0; i < kcf->max_cached; i++) { - ngx_queue_insert_head(&kcf->free, &cached[i].queue); - cached[i].conf = kcf; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_upstream_init_keepalive_peer(ngx_http_request_t *r, - ngx_http_upstream_srv_conf_t *us) -{ - ngx_http_upstream_keepalive_peer_data_t *kp; - ngx_http_upstream_keepalive_srv_conf_t *kcf; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "init keepalive peer"); - - kcf = ngx_http_conf_upstream_srv_conf(us, - ngx_http_upstream_keepalive_module); - - kp = ngx_palloc(r->pool, sizeof(ngx_http_upstream_keepalive_peer_data_t)); - if (kp == NULL) { - return NGX_ERROR; - } - - if (kcf->original_init_peer(r, us) != NGX_OK) { - return NGX_ERROR; - } - - kp->conf = kcf; - kp->upstream = r->upstream; - kp->data = r->upstream->peer.data; - kp->original_get_peer = r->upstream->peer.get; - kp->original_free_peer = r->upstream->peer.free; - - r->upstream->peer.data = kp; - r->upstream->peer.get = ngx_http_upstream_get_keepalive_peer; - r->upstream->peer.free = ngx_http_upstream_free_keepalive_peer; - -#if (NGX_HTTP_SSL) - kp->original_set_session = r->upstream->peer.set_session; - kp->original_save_session = r->upstream->peer.save_session; - r->upstream->peer.set_session = ngx_http_upstream_keepalive_set_session; - r->upstream->peer.save_session = ngx_http_upstream_keepalive_save_session; -#endif - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_upstream_get_keepalive_peer(ngx_peer_connection_t *pc, void *data) -{ - ngx_http_upstream_keepalive_peer_data_t *kp = data; - ngx_http_upstream_keepalive_cache_t *item; - - ngx_int_t rc; - ngx_queue_t *q, *cache; - ngx_connection_t *c; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "get keepalive peer"); - - /* ask balancer */ - - rc = kp->original_get_peer(pc, kp->data); - - if (rc != NGX_OK) { - return rc; - } - - /* search cache for suitable connection */ - - cache = &kp->conf->cache; - - for (q = ngx_queue_head(cache); - q != ngx_queue_sentinel(cache); - q = ngx_queue_next(q)) - { - item = ngx_queue_data(q, ngx_http_upstream_keepalive_cache_t, queue); - c = item->connection; - - if (ngx_memn2cmp((u_char *) &item->sockaddr, (u_char *) pc->sockaddr, - item->socklen, pc->socklen) - == 0) - { - ngx_queue_remove(q); - ngx_queue_insert_head(&kp->conf->free, q); - - goto found; - } - } - - return NGX_OK; - -found: - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "get keepalive peer: using connection %p", c); - - c->idle = 0; - c->sent = 0; - c->log = pc->log; - c->read->log = pc->log; - c->write->log = pc->log; - c->pool->log = pc->log; - - pc->connection = c; - pc->cached = 1; - - return NGX_DONE; -} - - -static void -ngx_http_upstream_free_keepalive_peer(ngx_peer_connection_t *pc, void *data, - ngx_uint_t state) -{ - ngx_http_upstream_keepalive_peer_data_t *kp = data; - ngx_http_upstream_keepalive_cache_t *item; - - ngx_queue_t *q; - ngx_connection_t *c; - ngx_http_upstream_t *u; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "free keepalive peer"); - - /* cache valid connections */ - - u = kp->upstream; - c = pc->connection; - - if (state & NGX_PEER_FAILED - || c == NULL - || c->read->eof - || c->read->error - || c->read->timedout - || c->write->error - || c->write->timedout) - { - goto invalid; - } - - if (!u->keepalive) { - goto invalid; - } - - if (!u->request_body_sent) { - goto invalid; - } - - if (ngx_terminate || ngx_exiting) { - goto invalid; - } - - if (ngx_handle_read_event(c->read, 0) != NGX_OK) { - goto invalid; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "free keepalive peer: saving connection %p", c); - - if (ngx_queue_empty(&kp->conf->free)) { - - q = ngx_queue_last(&kp->conf->cache); - ngx_queue_remove(q); - - item = ngx_queue_data(q, ngx_http_upstream_keepalive_cache_t, queue); - - ngx_http_upstream_keepalive_close(item->connection); - - } else { - q = ngx_queue_head(&kp->conf->free); - ngx_queue_remove(q); - - item = ngx_queue_data(q, ngx_http_upstream_keepalive_cache_t, queue); - } - - ngx_queue_insert_head(&kp->conf->cache, q); - - item->connection = c; - - pc->connection = NULL; - - if (c->read->timer_set) { - c->read->delayed = 0; - ngx_del_timer(c->read); - } - if (c->write->timer_set) { - ngx_del_timer(c->write); - } - - c->write->handler = ngx_http_upstream_keepalive_dummy_handler; - c->read->handler = ngx_http_upstream_keepalive_close_handler; - - c->data = item; - c->idle = 1; - c->log = ngx_cycle->log; - c->read->log = ngx_cycle->log; - c->write->log = ngx_cycle->log; - c->pool->log = ngx_cycle->log; - - item->socklen = pc->socklen; - ngx_memcpy(&item->sockaddr, pc->sockaddr, pc->socklen); - - if (c->read->ready) { - ngx_http_upstream_keepalive_close_handler(c->read); - } - -invalid: - - kp->original_free_peer(pc, kp->data, state); -} - - -static void -ngx_http_upstream_keepalive_dummy_handler(ngx_event_t *ev) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0, - "keepalive dummy handler"); -} - - -static void -ngx_http_upstream_keepalive_close_handler(ngx_event_t *ev) -{ - ngx_http_upstream_keepalive_srv_conf_t *conf; - ngx_http_upstream_keepalive_cache_t *item; - - int n; - char buf[1]; - ngx_connection_t *c; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0, - "keepalive close handler"); - - c = ev->data; - - if (c->close) { - goto close; - } - - n = ngxvcl_recv(c->fd, buf, 1, MSG_PEEK); - - if (n == -1 && ngx_socket_errno == NGX_EAGAIN) { - ev->ready = 0; - - if (ngx_handle_read_event(c->read, 0) != NGX_OK) { - goto close; - } - - return; - } - -close: - - item = c->data; - conf = item->conf; - - ngx_http_upstream_keepalive_close(c); - - ngx_queue_remove(&item->queue); - ngx_queue_insert_head(&conf->free, &item->queue); -} - - -static void -ngx_http_upstream_keepalive_close(ngx_connection_t *c) -{ - -#if (NGX_HTTP_SSL) - - if (c->ssl) { - c->ssl->no_wait_shutdown = 1; - c->ssl->no_send_shutdown = 1; - - if (ngx_ssl_shutdown(c) == NGX_AGAIN) { - c->ssl->handler = ngx_http_upstream_keepalive_close; - return; - } - } - -#endif - - ngx_destroy_pool(c->pool); - ngx_close_connection(c); -} - - -#if (NGX_HTTP_SSL) - -static ngx_int_t -ngx_http_upstream_keepalive_set_session(ngx_peer_connection_t *pc, void *data) -{ - ngx_http_upstream_keepalive_peer_data_t *kp = data; - - return kp->original_set_session(pc, kp->data); -} - - -static void -ngx_http_upstream_keepalive_save_session(ngx_peer_connection_t *pc, void *data) -{ - ngx_http_upstream_keepalive_peer_data_t *kp = data; - - kp->original_save_session(pc, kp->data); - return; -} - -#endif - - -static void * -ngx_http_upstream_keepalive_create_conf(ngx_conf_t *cf) -{ - ngx_http_upstream_keepalive_srv_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, - sizeof(ngx_http_upstream_keepalive_srv_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->original_init_upstream = NULL; - * conf->original_init_peer = NULL; - * conf->max_cached = 0; - */ - - return conf; -} - - -static char * -ngx_http_upstream_keepalive(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_upstream_srv_conf_t *uscf; - ngx_http_upstream_keepalive_srv_conf_t *kcf = conf; - - ngx_int_t n; - ngx_str_t *value; - - if (kcf->max_cached) { - return "is duplicate"; - } - - /* read options */ - - value = cf->args->elts; - - n = ngx_atoi(value[1].data, value[1].len); - - if (n == NGX_ERROR || n == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid value \"%V\" in \"%V\" directive", - &value[1], &cmd->name); - return NGX_CONF_ERROR; - } - - kcf->max_cached = n; - - uscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_upstream_module); - - kcf->original_init_upstream = uscf->peer.init_upstream - ? uscf->peer.init_upstream - : ngx_http_upstream_init_round_robin; - - uscf->peer.init_upstream = ngx_http_upstream_init_keepalive; - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_upstream_least_conn_module.c b/nginx/src/http/modules/ngx_http_upstream_least_conn_module.c deleted file mode 100644 index ebe0627..0000000 --- a/nginx/src/http/modules/ngx_http_upstream_least_conn_module.c +++ /dev/null @@ -1,314 +0,0 @@ - -/* - * Copyright (C) Maxim Dounin - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -static ngx_int_t ngx_http_upstream_init_least_conn_peer(ngx_http_request_t *r, - ngx_http_upstream_srv_conf_t *us); -static ngx_int_t ngx_http_upstream_get_least_conn_peer( - ngx_peer_connection_t *pc, void *data); -static char *ngx_http_upstream_least_conn(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_command_t ngx_http_upstream_least_conn_commands[] = { - - { ngx_string("least_conn"), - NGX_HTTP_UPS_CONF|NGX_CONF_NOARGS, - ngx_http_upstream_least_conn, - 0, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_upstream_least_conn_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_upstream_least_conn_module = { - NGX_MODULE_V1, - &ngx_http_upstream_least_conn_module_ctx, /* module context */ - ngx_http_upstream_least_conn_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_int_t -ngx_http_upstream_init_least_conn(ngx_conf_t *cf, - ngx_http_upstream_srv_conf_t *us) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, - "init least conn"); - - if (ngx_http_upstream_init_round_robin(cf, us) != NGX_OK) { - return NGX_ERROR; - } - - us->peer.init = ngx_http_upstream_init_least_conn_peer; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_upstream_init_least_conn_peer(ngx_http_request_t *r, - ngx_http_upstream_srv_conf_t *us) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "init least conn peer"); - - if (ngx_http_upstream_init_round_robin_peer(r, us) != NGX_OK) { - return NGX_ERROR; - } - - r->upstream->peer.get = ngx_http_upstream_get_least_conn_peer; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_upstream_get_least_conn_peer(ngx_peer_connection_t *pc, void *data) -{ - ngx_http_upstream_rr_peer_data_t *rrp = data; - - time_t now; - uintptr_t m; - ngx_int_t rc, total; - ngx_uint_t i, n, p, many; - ngx_http_upstream_rr_peer_t *peer, *best; - ngx_http_upstream_rr_peers_t *peers; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "get least conn peer, try: %ui", pc->tries); - - if (rrp->peers->single) { - return ngx_http_upstream_get_round_robin_peer(pc, rrp); - } - - pc->cached = 0; - pc->connection = NULL; - - now = ngx_time(); - - peers = rrp->peers; - - ngx_http_upstream_rr_peers_wlock(peers); - - best = NULL; - total = 0; - -#if (NGX_SUPPRESS_WARN) - many = 0; - p = 0; -#endif - - for (peer = peers->peer, i = 0; - peer; - peer = peer->next, i++) - { - n = i / (8 * sizeof(uintptr_t)); - m = (uintptr_t) 1 << i % (8 * sizeof(uintptr_t)); - - if (rrp->tried[n] & m) { - continue; - } - - if (peer->down) { - continue; - } - - if (peer->max_fails - && peer->fails >= peer->max_fails - && now - peer->checked <= peer->fail_timeout) - { - continue; - } - - if (peer->max_conns && peer->conns >= peer->max_conns) { - continue; - } - - /* - * select peer with least number of connections; if there are - * multiple peers with the same number of connections, select - * based on round-robin - */ - - if (best == NULL - || peer->conns * best->weight < best->conns * peer->weight) - { - best = peer; - many = 0; - p = i; - - } else if (peer->conns * best->weight == best->conns * peer->weight) { - many = 1; - } - } - - if (best == NULL) { - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "get least conn peer, no peer found"); - - goto failed; - } - - if (many) { - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "get least conn peer, many"); - - for (peer = best, i = p; - peer; - peer = peer->next, i++) - { - n = i / (8 * sizeof(uintptr_t)); - m = (uintptr_t) 1 << i % (8 * sizeof(uintptr_t)); - - if (rrp->tried[n] & m) { - continue; - } - - if (peer->down) { - continue; - } - - if (peer->conns * best->weight != best->conns * peer->weight) { - continue; - } - - if (peer->max_fails - && peer->fails >= peer->max_fails - && now - peer->checked <= peer->fail_timeout) - { - continue; - } - - if (peer->max_conns && peer->conns >= peer->max_conns) { - continue; - } - - peer->current_weight += peer->effective_weight; - total += peer->effective_weight; - - if (peer->effective_weight < peer->weight) { - peer->effective_weight++; - } - - if (peer->current_weight > best->current_weight) { - best = peer; - p = i; - } - } - } - - best->current_weight -= total; - - if (now - best->checked > best->fail_timeout) { - best->checked = now; - } - - pc->sockaddr = best->sockaddr; - pc->socklen = best->socklen; - pc->name = &best->name; - - best->conns++; - - rrp->current = best; - - n = p / (8 * sizeof(uintptr_t)); - m = (uintptr_t) 1 << p % (8 * sizeof(uintptr_t)); - - rrp->tried[n] |= m; - - ngx_http_upstream_rr_peers_unlock(peers); - - return NGX_OK; - -failed: - - if (peers->next) { - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pc->log, 0, - "get least conn peer, backup servers"); - - rrp->peers = peers->next; - - n = (rrp->peers->number + (8 * sizeof(uintptr_t) - 1)) - / (8 * sizeof(uintptr_t)); - - for (i = 0; i < n; i++) { - rrp->tried[i] = 0; - } - - ngx_http_upstream_rr_peers_unlock(peers); - - rc = ngx_http_upstream_get_least_conn_peer(pc, rrp); - - if (rc != NGX_BUSY) { - return rc; - } - - ngx_http_upstream_rr_peers_wlock(peers); - } - - ngx_http_upstream_rr_peers_unlock(peers); - - pc->name = peers->name; - - return NGX_BUSY; -} - - -static char * -ngx_http_upstream_least_conn(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_upstream_srv_conf_t *uscf; - - uscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_upstream_module); - - if (uscf->peer.init_upstream) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "load balancing method redefined"); - } - - uscf->peer.init_upstream = ngx_http_upstream_init_least_conn; - - uscf->flags = NGX_HTTP_UPSTREAM_CREATE - |NGX_HTTP_UPSTREAM_WEIGHT - |NGX_HTTP_UPSTREAM_MAX_CONNS - |NGX_HTTP_UPSTREAM_MAX_FAILS - |NGX_HTTP_UPSTREAM_FAIL_TIMEOUT - |NGX_HTTP_UPSTREAM_DOWN - |NGX_HTTP_UPSTREAM_BACKUP; - - return NGX_CONF_OK; -} diff --git a/nginx/src/http/modules/ngx_http_upstream_zone_module.c b/nginx/src/http/modules/ngx_http_upstream_zone_module.c deleted file mode 100644 index 3229cfe..0000000 --- a/nginx/src/http/modules/ngx_http_upstream_zone_module.c +++ /dev/null @@ -1,325 +0,0 @@ - -/* - * Copyright (C) Ruslan Ermilov - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -static char *ngx_http_upstream_zone(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static ngx_int_t ngx_http_upstream_init_zone(ngx_shm_zone_t *shm_zone, - void *data); -static ngx_http_upstream_rr_peers_t *ngx_http_upstream_zone_copy_peers( - ngx_slab_pool_t *shpool, ngx_http_upstream_srv_conf_t *uscf); -static ngx_http_upstream_rr_peer_t *ngx_http_upstream_zone_copy_peer( - ngx_http_upstream_rr_peers_t *peers, ngx_http_upstream_rr_peer_t *src); - - -static ngx_command_t ngx_http_upstream_zone_commands[] = { - - { ngx_string("zone"), - NGX_HTTP_UPS_CONF|NGX_CONF_TAKE12, - ngx_http_upstream_zone, - 0, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_upstream_zone_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - NULL, /* create location configuration */ - NULL /* merge location configuration */ -}; - - -ngx_module_t ngx_http_upstream_zone_module = { - NGX_MODULE_V1, - &ngx_http_upstream_zone_module_ctx, /* module context */ - ngx_http_upstream_zone_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static char * -ngx_http_upstream_zone(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ssize_t size; - ngx_str_t *value; - ngx_http_upstream_srv_conf_t *uscf; - ngx_http_upstream_main_conf_t *umcf; - - uscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_upstream_module); - umcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_upstream_module); - - value = cf->args->elts; - - if (!value[1].len) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid zone name \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - if (cf->args->nelts == 3) { - size = ngx_parse_size(&value[2]); - - if (size == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid zone size \"%V\"", &value[2]); - return NGX_CONF_ERROR; - } - - if (size < (ssize_t) (8 * ngx_pagesize)) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "zone \"%V\" is too small", &value[1]); - return NGX_CONF_ERROR; - } - - } else { - size = 0; - } - - uscf->shm_zone = ngx_shared_memory_add(cf, &value[1], size, - &ngx_http_upstream_module); - if (uscf->shm_zone == NULL) { - return NGX_CONF_ERROR; - } - - uscf->shm_zone->init = ngx_http_upstream_init_zone; - uscf->shm_zone->data = umcf; - - uscf->shm_zone->noreuse = 1; - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_upstream_init_zone(ngx_shm_zone_t *shm_zone, void *data) -{ - size_t len; - ngx_uint_t i; - ngx_slab_pool_t *shpool; - ngx_http_upstream_rr_peers_t *peers, **peersp; - ngx_http_upstream_srv_conf_t *uscf, **uscfp; - ngx_http_upstream_main_conf_t *umcf; - - shpool = (ngx_slab_pool_t *) shm_zone->shm.addr; - umcf = shm_zone->data; - uscfp = umcf->upstreams.elts; - - if (shm_zone->shm.exists) { - peers = shpool->data; - - for (i = 0; i < umcf->upstreams.nelts; i++) { - uscf = uscfp[i]; - - if (uscf->shm_zone != shm_zone) { - continue; - } - - uscf->peer.data = peers; - peers = peers->zone_next; - } - - return NGX_OK; - } - - len = sizeof(" in upstream zone \"\"") + shm_zone->shm.name.len; - - shpool->log_ctx = ngx_slab_alloc(shpool, len); - if (shpool->log_ctx == NULL) { - return NGX_ERROR; - } - - ngx_sprintf(shpool->log_ctx, " in upstream zone \"%V\"%Z", - &shm_zone->shm.name); - - - /* copy peers to shared memory */ - - peersp = (ngx_http_upstream_rr_peers_t **) (void *) &shpool->data; - - for (i = 0; i < umcf->upstreams.nelts; i++) { - uscf = uscfp[i]; - - if (uscf->shm_zone != shm_zone) { - continue; - } - - peers = ngx_http_upstream_zone_copy_peers(shpool, uscf); - if (peers == NULL) { - return NGX_ERROR; - } - - *peersp = peers; - peersp = &peers->zone_next; - } - - return NGX_OK; -} - - -static ngx_http_upstream_rr_peers_t * -ngx_http_upstream_zone_copy_peers(ngx_slab_pool_t *shpool, - ngx_http_upstream_srv_conf_t *uscf) -{ - ngx_str_t *name; - ngx_http_upstream_rr_peer_t *peer, **peerp; - ngx_http_upstream_rr_peers_t *peers, *backup; - - peers = ngx_slab_alloc(shpool, sizeof(ngx_http_upstream_rr_peers_t)); - if (peers == NULL) { - return NULL; - } - - ngx_memcpy(peers, uscf->peer.data, sizeof(ngx_http_upstream_rr_peers_t)); - - name = ngx_slab_alloc(shpool, sizeof(ngx_str_t)); - if (name == NULL) { - return NULL; - } - - name->data = ngx_slab_alloc(shpool, peers->name->len); - if (name->data == NULL) { - return NULL; - } - - ngx_memcpy(name->data, peers->name->data, peers->name->len); - name->len = peers->name->len; - - peers->name = name; - - peers->shpool = shpool; - - for (peerp = &peers->peer; *peerp; peerp = &peer->next) { - /* pool is unlocked */ - peer = ngx_http_upstream_zone_copy_peer(peers, *peerp); - if (peer == NULL) { - return NULL; - } - - *peerp = peer; - } - - if (peers->next == NULL) { - goto done; - } - - backup = ngx_slab_alloc(shpool, sizeof(ngx_http_upstream_rr_peers_t)); - if (backup == NULL) { - return NULL; - } - - ngx_memcpy(backup, peers->next, sizeof(ngx_http_upstream_rr_peers_t)); - - backup->name = name; - - backup->shpool = shpool; - - for (peerp = &backup->peer; *peerp; peerp = &peer->next) { - /* pool is unlocked */ - peer = ngx_http_upstream_zone_copy_peer(backup, *peerp); - if (peer == NULL) { - return NULL; - } - - *peerp = peer; - } - - peers->next = backup; - -done: - - uscf->peer.data = peers; - - return peers; -} - - -static ngx_http_upstream_rr_peer_t * -ngx_http_upstream_zone_copy_peer(ngx_http_upstream_rr_peers_t *peers, - ngx_http_upstream_rr_peer_t *src) -{ - ngx_slab_pool_t *pool; - ngx_http_upstream_rr_peer_t *dst; - - pool = peers->shpool; - - dst = ngx_slab_calloc_locked(pool, sizeof(ngx_http_upstream_rr_peer_t)); - if (dst == NULL) { - return NULL; - } - - if (src) { - ngx_memcpy(dst, src, sizeof(ngx_http_upstream_rr_peer_t)); - dst->sockaddr = NULL; - dst->name.data = NULL; - dst->server.data = NULL; - } - - dst->sockaddr = ngx_slab_calloc_locked(pool, sizeof(ngx_sockaddr_t)); - if (dst->sockaddr == NULL) { - goto failed; - } - - dst->name.data = ngx_slab_calloc_locked(pool, NGX_SOCKADDR_STRLEN); - if (dst->name.data == NULL) { - goto failed; - } - - if (src) { - ngx_memcpy(dst->sockaddr, src->sockaddr, src->socklen); - ngx_memcpy(dst->name.data, src->name.data, src->name.len); - - dst->server.data = ngx_slab_alloc_locked(pool, src->server.len); - if (dst->server.data == NULL) { - goto failed; - } - - ngx_memcpy(dst->server.data, src->server.data, src->server.len); - } - - return dst; - -failed: - - if (dst->server.data) { - ngx_slab_free_locked(pool, dst->server.data); - } - - if (dst->name.data) { - ngx_slab_free_locked(pool, dst->name.data); - } - - if (dst->sockaddr) { - ngx_slab_free_locked(pool, dst->sockaddr); - } - - ngx_slab_free_locked(pool, dst); - - return NULL; -} diff --git a/nginx/src/http/modules/ngx_http_userid_filter_module.c b/nginx/src/http/modules/ngx_http_userid_filter_module.c deleted file mode 100644 index a1a5493..0000000 --- a/nginx/src/http/modules/ngx_http_userid_filter_module.c +++ /dev/null @@ -1,846 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -#define NGX_HTTP_USERID_OFF 0 -#define NGX_HTTP_USERID_LOG 1 -#define NGX_HTTP_USERID_V1 2 -#define NGX_HTTP_USERID_ON 3 - -/* 31 Dec 2037 23:55:55 GMT */ -#define NGX_HTTP_USERID_MAX_EXPIRES 2145916555 - - -typedef struct { - ngx_uint_t enable; - - ngx_int_t service; - - ngx_str_t name; - ngx_str_t domain; - ngx_str_t path; - ngx_str_t p3p; - - time_t expires; - - u_char mark; -} ngx_http_userid_conf_t; - - -typedef struct { - uint32_t uid_got[4]; - uint32_t uid_set[4]; - ngx_str_t cookie; - ngx_uint_t reset; -} ngx_http_userid_ctx_t; - - -static ngx_http_userid_ctx_t *ngx_http_userid_get_uid(ngx_http_request_t *r, - ngx_http_userid_conf_t *conf); -static ngx_int_t ngx_http_userid_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, ngx_str_t *name, uint32_t *uid); -static ngx_int_t ngx_http_userid_set_uid(ngx_http_request_t *r, - ngx_http_userid_ctx_t *ctx, ngx_http_userid_conf_t *conf); -static ngx_int_t ngx_http_userid_create_uid(ngx_http_request_t *r, - ngx_http_userid_ctx_t *ctx, ngx_http_userid_conf_t *conf); - -static ngx_int_t ngx_http_userid_add_variables(ngx_conf_t *cf); -static ngx_int_t ngx_http_userid_init(ngx_conf_t *cf); -static void *ngx_http_userid_create_conf(ngx_conf_t *cf); -static char *ngx_http_userid_merge_conf(ngx_conf_t *cf, void *parent, - void *child); -static char *ngx_http_userid_domain(ngx_conf_t *cf, void *post, void *data); -static char *ngx_http_userid_path(ngx_conf_t *cf, void *post, void *data); -static char *ngx_http_userid_expires(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_userid_p3p(ngx_conf_t *cf, void *post, void *data); -static char *ngx_http_userid_mark(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static ngx_int_t ngx_http_userid_init_worker(ngx_cycle_t *cycle); - - - -static uint32_t start_value; -static uint32_t sequencer_v1 = 1; -static uint32_t sequencer_v2 = 0x03030302; - - -static u_char expires[] = "; expires=Thu, 31-Dec-37 23:55:55 GMT"; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; - - -static ngx_conf_enum_t ngx_http_userid_state[] = { - { ngx_string("off"), NGX_HTTP_USERID_OFF }, - { ngx_string("log"), NGX_HTTP_USERID_LOG }, - { ngx_string("v1"), NGX_HTTP_USERID_V1 }, - { ngx_string("on"), NGX_HTTP_USERID_ON }, - { ngx_null_string, 0 } -}; - - -static ngx_conf_post_handler_pt ngx_http_userid_domain_p = - ngx_http_userid_domain; -static ngx_conf_post_handler_pt ngx_http_userid_path_p = ngx_http_userid_path; -static ngx_conf_post_handler_pt ngx_http_userid_p3p_p = ngx_http_userid_p3p; - - -static ngx_command_t ngx_http_userid_commands[] = { - - { ngx_string("userid"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_enum_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_userid_conf_t, enable), - ngx_http_userid_state }, - - { ngx_string("userid_service"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_userid_conf_t, service), - NULL }, - - { ngx_string("userid_name"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_userid_conf_t, name), - NULL }, - - { ngx_string("userid_domain"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_userid_conf_t, domain), - &ngx_http_userid_domain_p }, - - { ngx_string("userid_path"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_userid_conf_t, path), - &ngx_http_userid_path_p }, - - { ngx_string("userid_expires"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_userid_expires, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("userid_p3p"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_userid_conf_t, p3p), - &ngx_http_userid_p3p_p }, - - { ngx_string("userid_mark"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_userid_mark, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_userid_filter_module_ctx = { - ngx_http_userid_add_variables, /* preconfiguration */ - ngx_http_userid_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_userid_create_conf, /* create location configuration */ - ngx_http_userid_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_userid_filter_module = { - NGX_MODULE_V1, - &ngx_http_userid_filter_module_ctx, /* module context */ - ngx_http_userid_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - ngx_http_userid_init_worker, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_str_t ngx_http_userid_got = ngx_string("uid_got"); -static ngx_str_t ngx_http_userid_set = ngx_string("uid_set"); -static ngx_str_t ngx_http_userid_reset = ngx_string("uid_reset"); -static ngx_uint_t ngx_http_userid_reset_index; - - -static ngx_int_t -ngx_http_userid_filter(ngx_http_request_t *r) -{ - ngx_http_userid_ctx_t *ctx; - ngx_http_userid_conf_t *conf; - - if (r != r->main) { - return ngx_http_next_header_filter(r); - } - - conf = ngx_http_get_module_loc_conf(r, ngx_http_userid_filter_module); - - if (conf->enable < NGX_HTTP_USERID_V1) { - return ngx_http_next_header_filter(r); - } - - ctx = ngx_http_userid_get_uid(r, conf); - - if (ctx == NULL) { - return NGX_ERROR; - } - - if (ngx_http_userid_set_uid(r, ctx, conf) == NGX_OK) { - return ngx_http_next_header_filter(r); - } - - return NGX_ERROR; -} - - -static ngx_int_t -ngx_http_userid_got_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_http_userid_ctx_t *ctx; - ngx_http_userid_conf_t *conf; - - conf = ngx_http_get_module_loc_conf(r->main, ngx_http_userid_filter_module); - - if (conf->enable == NGX_HTTP_USERID_OFF) { - v->not_found = 1; - return NGX_OK; - } - - ctx = ngx_http_userid_get_uid(r->main, conf); - - if (ctx == NULL) { - return NGX_ERROR; - } - - if (ctx->uid_got[3] != 0) { - return ngx_http_userid_variable(r->main, v, &conf->name, ctx->uid_got); - } - - v->not_found = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_userid_set_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_http_userid_ctx_t *ctx; - ngx_http_userid_conf_t *conf; - - conf = ngx_http_get_module_loc_conf(r->main, ngx_http_userid_filter_module); - - if (conf->enable < NGX_HTTP_USERID_V1) { - v->not_found = 1; - return NGX_OK; - } - - ctx = ngx_http_userid_get_uid(r->main, conf); - - if (ctx == NULL) { - return NGX_ERROR; - } - - if (ngx_http_userid_create_uid(r->main, ctx, conf) != NGX_OK) { - return NGX_ERROR; - } - - if (ctx->uid_set[3] == 0) { - v->not_found = 1; - return NGX_OK; - } - - return ngx_http_userid_variable(r->main, v, &conf->name, ctx->uid_set); -} - - -static ngx_http_userid_ctx_t * -ngx_http_userid_get_uid(ngx_http_request_t *r, ngx_http_userid_conf_t *conf) -{ - ngx_int_t n; - ngx_str_t src, dst; - ngx_table_elt_t **cookies; - ngx_http_userid_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_userid_filter_module); - - if (ctx) { - return ctx; - } - - if (ctx == NULL) { - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_userid_ctx_t)); - if (ctx == NULL) { - return NULL; - } - - ngx_http_set_ctx(r, ctx, ngx_http_userid_filter_module); - } - - n = ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &conf->name, - &ctx->cookie); - if (n == NGX_DECLINED) { - return ctx; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "uid cookie: \"%V\"", &ctx->cookie); - - if (ctx->cookie.len < 22) { - cookies = r->headers_in.cookies.elts; - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "client sent too short userid cookie \"%V\"", - &cookies[n]->value); - return ctx; - } - - src = ctx->cookie; - - /* - * we have to limit the encoded string to 22 characters because - * 1) cookie may be marked by "userid_mark", - * 2) and there are already the millions cookies with a garbage - * instead of the correct base64 trail "==" - */ - - src.len = 22; - - dst.data = (u_char *) ctx->uid_got; - - if (ngx_decode_base64(&dst, &src) == NGX_ERROR) { - cookies = r->headers_in.cookies.elts; - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "client sent invalid userid cookie \"%V\"", - &cookies[n]->value); - return ctx; - } - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "uid: %08XD%08XD%08XD%08XD", - ctx->uid_got[0], ctx->uid_got[1], - ctx->uid_got[2], ctx->uid_got[3]); - - return ctx; -} - - -static ngx_int_t -ngx_http_userid_set_uid(ngx_http_request_t *r, ngx_http_userid_ctx_t *ctx, - ngx_http_userid_conf_t *conf) -{ - u_char *cookie, *p; - size_t len; - ngx_str_t src, dst; - ngx_table_elt_t *set_cookie, *p3p; - - if (ngx_http_userid_create_uid(r, ctx, conf) != NGX_OK) { - return NGX_ERROR; - } - - if (ctx->uid_set[3] == 0) { - return NGX_OK; - } - - len = conf->name.len + 1 + ngx_base64_encoded_length(16) + conf->path.len; - - if (conf->expires) { - len += sizeof(expires) - 1 + 2; - } - - if (conf->domain.len) { - len += conf->domain.len; - } - - cookie = ngx_pnalloc(r->pool, len); - if (cookie == NULL) { - return NGX_ERROR; - } - - p = ngx_copy(cookie, conf->name.data, conf->name.len); - *p++ = '='; - - if (ctx->uid_got[3] == 0 || ctx->reset) { - src.len = 16; - src.data = (u_char *) ctx->uid_set; - dst.data = p; - - ngx_encode_base64(&dst, &src); - - p += dst.len; - - if (conf->mark) { - *(p - 2) = conf->mark; - } - - } else { - p = ngx_cpymem(p, ctx->cookie.data, 22); - *p++ = conf->mark; - *p++ = '='; - } - - if (conf->expires == NGX_HTTP_USERID_MAX_EXPIRES) { - p = ngx_cpymem(p, expires, sizeof(expires) - 1); - - } else if (conf->expires) { - p = ngx_cpymem(p, expires, sizeof("; expires=") - 1); - p = ngx_http_cookie_time(p, ngx_time() + conf->expires); - } - - p = ngx_copy(p, conf->domain.data, conf->domain.len); - - p = ngx_copy(p, conf->path.data, conf->path.len); - - set_cookie = ngx_list_push(&r->headers_out.headers); - if (set_cookie == NULL) { - return NGX_ERROR; - } - - set_cookie->hash = 1; - ngx_str_set(&set_cookie->key, "Set-Cookie"); - set_cookie->value.len = p - cookie; - set_cookie->value.data = cookie; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "uid cookie: \"%V\"", &set_cookie->value); - - if (conf->p3p.len == 0) { - return NGX_OK; - } - - p3p = ngx_list_push(&r->headers_out.headers); - if (p3p == NULL) { - return NGX_ERROR; - } - - p3p->hash = 1; - ngx_str_set(&p3p->key, "P3P"); - p3p->value = conf->p3p; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_userid_create_uid(ngx_http_request_t *r, ngx_http_userid_ctx_t *ctx, - ngx_http_userid_conf_t *conf) -{ - ngx_connection_t *c; - struct sockaddr_in *sin; - ngx_http_variable_value_t *vv; -#if (NGX_HAVE_INET6) - u_char *p; - struct sockaddr_in6 *sin6; -#endif - - if (ctx->uid_set[3] != 0) { - return NGX_OK; - } - - if (ctx->uid_got[3] != 0) { - - vv = ngx_http_get_indexed_variable(r, ngx_http_userid_reset_index); - - if (vv == NULL || vv->not_found) { - return NGX_ERROR; - } - - if (vv->len == 0 || (vv->len == 1 && vv->data[0] == '0')) { - - if (conf->mark == '\0' - || (ctx->cookie.len > 23 - && ctx->cookie.data[22] == conf->mark - && ctx->cookie.data[23] == '=')) - { - return NGX_OK; - } - - ctx->uid_set[0] = ctx->uid_got[0]; - ctx->uid_set[1] = ctx->uid_got[1]; - ctx->uid_set[2] = ctx->uid_got[2]; - ctx->uid_set[3] = ctx->uid_got[3]; - - return NGX_OK; - - } else { - ctx->reset = 1; - - if (vv->len == 3 && ngx_strncmp(vv->data, "log", 3) == 0) { - ngx_log_error(NGX_LOG_NOTICE, r->connection->log, 0, - "userid cookie \"%V=%08XD%08XD%08XD%08XD\" was reset", - &conf->name, ctx->uid_got[0], ctx->uid_got[1], - ctx->uid_got[2], ctx->uid_got[3]); - } - } - } - - /* - * TODO: in the threaded mode the sequencers should be in TLS and their - * ranges should be divided between threads - */ - - if (conf->enable == NGX_HTTP_USERID_V1) { - if (conf->service == NGX_CONF_UNSET) { - ctx->uid_set[0] = 0; - } else { - ctx->uid_set[0] = conf->service; - } - ctx->uid_set[1] = (uint32_t) ngx_time(); - ctx->uid_set[2] = start_value; - ctx->uid_set[3] = sequencer_v1; - sequencer_v1 += 0x100; - - } else { - if (conf->service == NGX_CONF_UNSET) { - - c = r->connection; - - if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) { - return NGX_ERROR; - } - - switch (c->local_sockaddr->sa_family) { - -#if (NGX_HAVE_INET6) - case AF_INET6: - sin6 = (struct sockaddr_in6 *) c->local_sockaddr; - - p = (u_char *) &ctx->uid_set[0]; - - *p++ = sin6->sin6_addr.s6_addr[12]; - *p++ = sin6->sin6_addr.s6_addr[13]; - *p++ = sin6->sin6_addr.s6_addr[14]; - *p = sin6->sin6_addr.s6_addr[15]; - - break; -#endif - default: /* AF_INET */ - sin = (struct sockaddr_in *) c->local_sockaddr; - ctx->uid_set[0] = sin->sin_addr.s_addr; - break; - } - - } else { - ctx->uid_set[0] = htonl(conf->service); - } - - ctx->uid_set[1] = htonl((uint32_t) ngx_time()); - ctx->uid_set[2] = htonl(start_value); - ctx->uid_set[3] = htonl(sequencer_v2); - sequencer_v2 += 0x100; - if (sequencer_v2 < 0x03030302) { - sequencer_v2 = 0x03030302; - } - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_userid_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, - ngx_str_t *name, uint32_t *uid) -{ - v->len = name->len + sizeof("=00001111222233334444555566667777") - 1; - v->data = ngx_pnalloc(r->pool, v->len); - if (v->data == NULL) { - return NGX_ERROR; - } - - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - ngx_sprintf(v->data, "%V=%08XD%08XD%08XD%08XD", - name, uid[0], uid[1], uid[2], uid[3]); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_userid_reset_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - *v = ngx_http_variable_null_value; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_userid_add_variables(ngx_conf_t *cf) -{ - ngx_int_t n; - ngx_http_variable_t *var; - - var = ngx_http_add_variable(cf, &ngx_http_userid_got, 0); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = ngx_http_userid_got_variable; - - var = ngx_http_add_variable(cf, &ngx_http_userid_set, 0); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = ngx_http_userid_set_variable; - - var = ngx_http_add_variable(cf, &ngx_http_userid_reset, - NGX_HTTP_VAR_CHANGEABLE); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = ngx_http_userid_reset_variable; - - n = ngx_http_get_variable_index(cf, &ngx_http_userid_reset); - if (n == NGX_ERROR) { - return NGX_ERROR; - } - - ngx_http_userid_reset_index = n; - - return NGX_OK; -} - - -static void * -ngx_http_userid_create_conf(ngx_conf_t *cf) -{ - ngx_http_userid_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_userid_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->name = { 0, NULL }; - * conf->domain = { 0, NULL }; - * conf->path = { 0, NULL }; - * conf->p3p = { 0, NULL }; - */ - - conf->enable = NGX_CONF_UNSET_UINT; - conf->service = NGX_CONF_UNSET; - conf->expires = NGX_CONF_UNSET; - conf->mark = (u_char) '\xFF'; - - return conf; -} - - -static char * -ngx_http_userid_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_userid_conf_t *prev = parent; - ngx_http_userid_conf_t *conf = child; - - ngx_conf_merge_uint_value(conf->enable, prev->enable, - NGX_HTTP_USERID_OFF); - - ngx_conf_merge_str_value(conf->name, prev->name, "uid"); - ngx_conf_merge_str_value(conf->domain, prev->domain, ""); - ngx_conf_merge_str_value(conf->path, prev->path, "; path=/"); - ngx_conf_merge_str_value(conf->p3p, prev->p3p, ""); - - ngx_conf_merge_value(conf->service, prev->service, NGX_CONF_UNSET); - ngx_conf_merge_sec_value(conf->expires, prev->expires, 0); - - if (conf->mark == (u_char) '\xFF') { - if (prev->mark == (u_char) '\xFF') { - conf->mark = '\0'; - } else { - conf->mark = prev->mark; - } - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_userid_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_userid_filter; - - return NGX_OK; -} - - -static char * -ngx_http_userid_domain(ngx_conf_t *cf, void *post, void *data) -{ - ngx_str_t *domain = data; - - u_char *p, *new; - - if (ngx_strcmp(domain->data, "none") == 0) { - ngx_str_set(domain, ""); - return NGX_CONF_OK; - } - - new = ngx_pnalloc(cf->pool, sizeof("; domain=") - 1 + domain->len); - if (new == NULL) { - return NGX_CONF_ERROR; - } - - p = ngx_cpymem(new, "; domain=", sizeof("; domain=") - 1); - ngx_memcpy(p, domain->data, domain->len); - - domain->len += sizeof("; domain=") - 1; - domain->data = new; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_userid_path(ngx_conf_t *cf, void *post, void *data) -{ - ngx_str_t *path = data; - - u_char *p, *new; - - new = ngx_pnalloc(cf->pool, sizeof("; path=") - 1 + path->len); - if (new == NULL) { - return NGX_CONF_ERROR; - } - - p = ngx_cpymem(new, "; path=", sizeof("; path=") - 1); - ngx_memcpy(p, path->data, path->len); - - path->len += sizeof("; path=") - 1; - path->data = new; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_userid_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_userid_conf_t *ucf = conf; - - ngx_str_t *value; - - if (ucf->expires != NGX_CONF_UNSET) { - return "is duplicate"; - } - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "max") == 0) { - ucf->expires = NGX_HTTP_USERID_MAX_EXPIRES; - return NGX_CONF_OK; - } - - if (ngx_strcmp(value[1].data, "off") == 0) { - ucf->expires = 0; - return NGX_CONF_OK; - } - - ucf->expires = ngx_parse_time(&value[1], 1); - if (ucf->expires == (time_t) NGX_ERROR) { - return "invalid value"; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_userid_p3p(ngx_conf_t *cf, void *post, void *data) -{ - ngx_str_t *p3p = data; - - if (ngx_strcmp(p3p->data, "none") == 0) { - ngx_str_set(p3p, ""); - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_userid_mark(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_userid_conf_t *ucf = conf; - - ngx_str_t *value; - - if (ucf->mark != (u_char) '\xFF') { - return "is duplicate"; - } - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "off") == 0) { - ucf->mark = '\0'; - return NGX_CONF_OK; - } - - if (value[1].len != 1 - || !((value[1].data[0] >= '0' && value[1].data[0] <= '9') - || (value[1].data[0] >= 'A' && value[1].data[0] <= 'Z') - || (value[1].data[0] >= 'a' && value[1].data[0] <= 'z') - || value[1].data[0] == '=')) - { - return "value must be \"off\" or a single letter, digit or \"=\""; - } - - ucf->mark = value[1].data[0]; - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_userid_init_worker(ngx_cycle_t *cycle) -{ - struct timeval tp; - - ngx_gettimeofday(&tp); - - /* use the most significant usec part that fits to 16 bits */ - start_value = (((uint32_t) tp.tv_usec / 20) << 16) | ngx_pid; - - return NGX_OK; -} diff --git a/nginx/src/http/modules/ngx_http_uwsgi_module.c b/nginx/src/http/modules/ngx_http_uwsgi_module.c deleted file mode 100644 index 238bcf8..0000000 --- a/nginx/src/http/modules/ngx_http_uwsgi_module.c +++ /dev/null @@ -1,2397 +0,0 @@ - -/* - * Copyright (C) Unbit S.a.s. 2009-2010 - * Copyright (C) 2008 Manlio Perillo (manlio.perillo@gmail.com) - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_array_t caches; /* ngx_http_file_cache_t * */ -} ngx_http_uwsgi_main_conf_t; - - -typedef struct { - ngx_array_t *flushes; - ngx_array_t *lengths; - ngx_array_t *values; - ngx_uint_t number; - ngx_hash_t hash; -} ngx_http_uwsgi_params_t; - - -typedef struct { - ngx_http_upstream_conf_t upstream; - - ngx_http_uwsgi_params_t params; -#if (NGX_HTTP_CACHE) - ngx_http_uwsgi_params_t params_cache; -#endif - ngx_array_t *params_source; - - ngx_array_t *uwsgi_lengths; - ngx_array_t *uwsgi_values; - -#if (NGX_HTTP_CACHE) - ngx_http_complex_value_t cache_key; -#endif - - ngx_str_t uwsgi_string; - - ngx_uint_t modifier1; - ngx_uint_t modifier2; - -#if (NGX_HTTP_SSL) - ngx_uint_t ssl; - ngx_uint_t ssl_protocols; - ngx_str_t ssl_ciphers; - ngx_uint_t ssl_verify_depth; - ngx_str_t ssl_trusted_certificate; - ngx_str_t ssl_crl; - ngx_str_t ssl_certificate; - ngx_str_t ssl_certificate_key; - ngx_array_t *ssl_passwords; -#endif -} ngx_http_uwsgi_loc_conf_t; - - -static ngx_int_t ngx_http_uwsgi_eval(ngx_http_request_t *r, - ngx_http_uwsgi_loc_conf_t *uwcf); -static ngx_int_t ngx_http_uwsgi_create_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_uwsgi_reinit_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_uwsgi_process_status_line(ngx_http_request_t *r); -static ngx_int_t ngx_http_uwsgi_process_header(ngx_http_request_t *r); -static void ngx_http_uwsgi_abort_request(ngx_http_request_t *r); -static void ngx_http_uwsgi_finalize_request(ngx_http_request_t *r, - ngx_int_t rc); - -static void *ngx_http_uwsgi_create_main_conf(ngx_conf_t *cf); -static void *ngx_http_uwsgi_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_uwsgi_merge_loc_conf(ngx_conf_t *cf, void *parent, - void *child); -static ngx_int_t ngx_http_uwsgi_init_params(ngx_conf_t *cf, - ngx_http_uwsgi_loc_conf_t *conf, ngx_http_uwsgi_params_t *params, - ngx_keyval_t *default_params); - -static char *ngx_http_uwsgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_uwsgi_store(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - -#if (NGX_HTTP_CACHE) -static ngx_int_t ngx_http_uwsgi_create_key(ngx_http_request_t *r); -static char *ngx_http_uwsgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_uwsgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -#endif - -#if (NGX_HTTP_SSL) -static char *ngx_http_uwsgi_ssl_password_file(ngx_conf_t *cf, - ngx_command_t *cmd, void *conf); -static ngx_int_t ngx_http_uwsgi_set_ssl(ngx_conf_t *cf, - ngx_http_uwsgi_loc_conf_t *uwcf); -#endif - - -static ngx_conf_num_bounds_t ngx_http_uwsgi_modifier_bounds = { - ngx_conf_check_num_bounds, 0, 255 -}; - - -static ngx_conf_bitmask_t ngx_http_uwsgi_next_upstream_masks[] = { - { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, - { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, - { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, - { ngx_string("non_idempotent"), NGX_HTTP_UPSTREAM_FT_NON_IDEMPOTENT }, - { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, - { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, - { ngx_string("http_403"), NGX_HTTP_UPSTREAM_FT_HTTP_403 }, - { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, - { ngx_string("http_429"), NGX_HTTP_UPSTREAM_FT_HTTP_429 }, - { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING }, - { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, - { ngx_null_string, 0 } -}; - - -#if (NGX_HTTP_SSL) - -static ngx_conf_bitmask_t ngx_http_uwsgi_ssl_protocols[] = { - { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, - { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, - { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, - { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, - { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, - { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 }, - { ngx_null_string, 0 } -}; - -#endif - - -ngx_module_t ngx_http_uwsgi_module; - - -static ngx_command_t ngx_http_uwsgi_commands[] = { - - { ngx_string("uwsgi_pass"), - NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, - ngx_http_uwsgi_pass, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("uwsgi_modifier1"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, modifier1), - &ngx_http_uwsgi_modifier_bounds }, - - { ngx_string("uwsgi_modifier2"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, modifier2), - &ngx_http_uwsgi_modifier_bounds }, - - { ngx_string("uwsgi_store"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_uwsgi_store, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("uwsgi_store_access"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, - ngx_conf_set_access_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.store_access), - NULL }, - - { ngx_string("uwsgi_buffering"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.buffering), - NULL }, - - { ngx_string("uwsgi_request_buffering"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.request_buffering), - NULL }, - - { ngx_string("uwsgi_ignore_client_abort"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.ignore_client_abort), - NULL }, - - { ngx_string("uwsgi_bind"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_upstream_bind_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.local), - NULL }, - - { ngx_string("uwsgi_connect_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.connect_timeout), - NULL }, - - { ngx_string("uwsgi_send_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.send_timeout), - NULL }, - - { ngx_string("uwsgi_buffer_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.buffer_size), - NULL }, - - { ngx_string("uwsgi_pass_request_headers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.pass_request_headers), - NULL }, - - { ngx_string("uwsgi_pass_request_body"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.pass_request_body), - NULL }, - - { ngx_string("uwsgi_intercept_errors"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.intercept_errors), - NULL }, - - { ngx_string("uwsgi_read_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.read_timeout), - NULL }, - - { ngx_string("uwsgi_buffers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_conf_set_bufs_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.bufs), - NULL }, - - { ngx_string("uwsgi_busy_buffers_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.busy_buffers_size_conf), - NULL }, - - { ngx_string("uwsgi_force_ranges"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.force_ranges), - NULL }, - - { ngx_string("uwsgi_limit_rate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.limit_rate), - NULL }, - -#if (NGX_HTTP_CACHE) - - { ngx_string("uwsgi_cache"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_uwsgi_cache, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("uwsgi_cache_key"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_uwsgi_cache_key, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("uwsgi_cache_path"), - NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE, - ngx_http_file_cache_set_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_uwsgi_main_conf_t, caches), - &ngx_http_uwsgi_module }, - - { ngx_string("uwsgi_cache_bypass"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_set_predicate_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_bypass), - NULL }, - - { ngx_string("uwsgi_no_cache"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_set_predicate_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.no_cache), - NULL }, - - { ngx_string("uwsgi_cache_valid"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_file_cache_valid_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_valid), - NULL }, - - { ngx_string("uwsgi_cache_min_uses"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_min_uses), - NULL }, - - { ngx_string("uwsgi_cache_max_range_offset"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_off_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_max_range_offset), - NULL }, - - { ngx_string("uwsgi_cache_use_stale"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_use_stale), - &ngx_http_uwsgi_next_upstream_masks }, - - { ngx_string("uwsgi_cache_methods"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_methods), - &ngx_http_upstream_cache_method_mask }, - - { ngx_string("uwsgi_cache_lock"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_lock), - NULL }, - - { ngx_string("uwsgi_cache_lock_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_lock_timeout), - NULL }, - - { ngx_string("uwsgi_cache_lock_age"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_lock_age), - NULL }, - - { ngx_string("uwsgi_cache_revalidate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_revalidate), - NULL }, - - { ngx_string("uwsgi_cache_background_update"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.cache_background_update), - NULL }, - -#endif - - { ngx_string("uwsgi_temp_path"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, - ngx_conf_set_path_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.temp_path), - NULL }, - - { ngx_string("uwsgi_max_temp_file_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.max_temp_file_size_conf), - NULL }, - - { ngx_string("uwsgi_temp_file_write_size"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.temp_file_write_size_conf), - NULL }, - - { ngx_string("uwsgi_next_upstream"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.next_upstream), - &ngx_http_uwsgi_next_upstream_masks }, - - { ngx_string("uwsgi_next_upstream_tries"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.next_upstream_tries), - NULL }, - - { ngx_string("uwsgi_next_upstream_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.next_upstream_timeout), - NULL }, - - { ngx_string("uwsgi_param"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE23, - ngx_http_upstream_param_set_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, params_source), - NULL }, - - { ngx_string("uwsgi_string"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, uwsgi_string), - NULL }, - - { ngx_string("uwsgi_pass_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.pass_headers), - NULL }, - - { ngx_string("uwsgi_hide_header"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.hide_headers), - NULL }, - - { ngx_string("uwsgi_ignore_headers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.ignore_headers), - &ngx_http_upstream_ignore_headers_masks }, - -#if (NGX_HTTP_SSL) - - { ngx_string("uwsgi_ssl_session_reuse"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.ssl_session_reuse), - NULL }, - - { ngx_string("uwsgi_ssl_protocols"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, ssl_protocols), - &ngx_http_uwsgi_ssl_protocols }, - - { ngx_string("uwsgi_ssl_ciphers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, ssl_ciphers), - NULL }, - - { ngx_string("uwsgi_ssl_name"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_set_complex_value_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.ssl_name), - NULL }, - - { ngx_string("uwsgi_ssl_server_name"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.ssl_server_name), - NULL }, - - { ngx_string("uwsgi_ssl_verify"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, upstream.ssl_verify), - NULL }, - - { ngx_string("uwsgi_ssl_verify_depth"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, ssl_verify_depth), - NULL }, - - { ngx_string("uwsgi_ssl_trusted_certificate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, ssl_trusted_certificate), - NULL }, - - { ngx_string("uwsgi_ssl_crl"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, ssl_crl), - NULL }, - - { ngx_string("uwsgi_ssl_certificate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, ssl_certificate), - NULL }, - - { ngx_string("uwsgi_ssl_certificate_key"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_uwsgi_loc_conf_t, ssl_certificate_key), - NULL }, - - { ngx_string("uwsgi_ssl_password_file"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_uwsgi_ssl_password_file, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - -#endif - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_uwsgi_module_ctx = { - NULL, /* preconfiguration */ - NULL, /* postconfiguration */ - - ngx_http_uwsgi_create_main_conf, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_uwsgi_create_loc_conf, /* create location configuration */ - ngx_http_uwsgi_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_uwsgi_module = { - NGX_MODULE_V1, - &ngx_http_uwsgi_module_ctx, /* module context */ - ngx_http_uwsgi_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_str_t ngx_http_uwsgi_hide_headers[] = { - ngx_string("X-Accel-Expires"), - ngx_string("X-Accel-Redirect"), - ngx_string("X-Accel-Limit-Rate"), - ngx_string("X-Accel-Buffering"), - ngx_string("X-Accel-Charset"), - ngx_null_string -}; - - -#if (NGX_HTTP_CACHE) - -static ngx_keyval_t ngx_http_uwsgi_cache_headers[] = { - { ngx_string("HTTP_IF_MODIFIED_SINCE"), - ngx_string("$upstream_cache_last_modified") }, - { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") }, - { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("$upstream_cache_etag") }, - { ngx_string("HTTP_IF_MATCH"), ngx_string("") }, - { ngx_string("HTTP_RANGE"), ngx_string("") }, - { ngx_string("HTTP_IF_RANGE"), ngx_string("") }, - { ngx_null_string, ngx_null_string } -}; - -#endif - - -static ngx_path_init_t ngx_http_uwsgi_temp_path = { - ngx_string(NGX_HTTP_UWSGI_TEMP_PATH), { 1, 2, 0 } -}; - - -static ngx_int_t -ngx_http_uwsgi_handler(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_http_status_t *status; - ngx_http_upstream_t *u; - ngx_http_uwsgi_loc_conf_t *uwcf; -#if (NGX_HTTP_CACHE) - ngx_http_uwsgi_main_conf_t *uwmcf; -#endif - - if (ngx_http_upstream_create(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - status = ngx_pcalloc(r->pool, sizeof(ngx_http_status_t)); - if (status == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - ngx_http_set_ctx(r, status, ngx_http_uwsgi_module); - - uwcf = ngx_http_get_module_loc_conf(r, ngx_http_uwsgi_module); - - u = r->upstream; - - if (uwcf->uwsgi_lengths == NULL) { - -#if (NGX_HTTP_SSL) - u->ssl = (uwcf->upstream.ssl != NULL); - - if (u->ssl) { - ngx_str_set(&u->schema, "suwsgi://"); - - } else { - ngx_str_set(&u->schema, "uwsgi://"); - } -#else - ngx_str_set(&u->schema, "uwsgi://"); -#endif - - } else { - if (ngx_http_uwsgi_eval(r, uwcf) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - } - - u->output.tag = (ngx_buf_tag_t) &ngx_http_uwsgi_module; - - u->conf = &uwcf->upstream; - -#if (NGX_HTTP_CACHE) - uwmcf = ngx_http_get_module_main_conf(r, ngx_http_uwsgi_module); - - u->caches = &uwmcf->caches; - u->create_key = ngx_http_uwsgi_create_key; -#endif - - u->create_request = ngx_http_uwsgi_create_request; - u->reinit_request = ngx_http_uwsgi_reinit_request; - u->process_header = ngx_http_uwsgi_process_status_line; - u->abort_request = ngx_http_uwsgi_abort_request; - u->finalize_request = ngx_http_uwsgi_finalize_request; - r->state = 0; - - u->buffering = uwcf->upstream.buffering; - - u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); - if (u->pipe == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - u->pipe->input_filter = ngx_event_pipe_copy_input_filter; - u->pipe->input_ctx = r; - - if (!uwcf->upstream.request_buffering - && uwcf->upstream.pass_request_body - && !r->headers_in.chunked) - { - r->request_body_no_buffering = 1; - } - - rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); - - if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { - return rc; - } - - return NGX_DONE; -} - - -static ngx_int_t -ngx_http_uwsgi_eval(ngx_http_request_t *r, ngx_http_uwsgi_loc_conf_t * uwcf) -{ - size_t add; - ngx_url_t url; - ngx_http_upstream_t *u; - - ngx_memzero(&url, sizeof(ngx_url_t)); - - if (ngx_http_script_run(r, &url.url, uwcf->uwsgi_lengths->elts, 0, - uwcf->uwsgi_values->elts) - == NULL) - { - return NGX_ERROR; - } - - if (url.url.len > 8 - && ngx_strncasecmp(url.url.data, (u_char *) "uwsgi://", 8) == 0) - { - add = 8; - - } else if (url.url.len > 9 - && ngx_strncasecmp(url.url.data, (u_char *) "suwsgi://", 9) == 0) - { - -#if (NGX_HTTP_SSL) - add = 9; - r->upstream->ssl = 1; -#else - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "suwsgi protocol requires SSL support"); - return NGX_ERROR; -#endif - - } else { - add = 0; - } - - u = r->upstream; - - if (add) { - u->schema.len = add; - u->schema.data = url.url.data; - - url.url.data += add; - url.url.len -= add; - - } else { - ngx_str_set(&u->schema, "uwsgi://"); - } - - url.no_resolve = 1; - - if (ngx_parse_url(r->pool, &url) != NGX_OK) { - if (url.err) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "%s in upstream \"%V\"", url.err, &url.url); - } - - return NGX_ERROR; - } - - u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); - if (u->resolved == NULL) { - return NGX_ERROR; - } - - if (url.addrs) { - u->resolved->sockaddr = url.addrs[0].sockaddr; - u->resolved->socklen = url.addrs[0].socklen; - u->resolved->name = url.addrs[0].name; - u->resolved->naddrs = 1; - } - - u->resolved->host = url.host; - u->resolved->port = url.port; - u->resolved->no_port = url.no_port; - - return NGX_OK; -} - - -#if (NGX_HTTP_CACHE) - -static ngx_int_t -ngx_http_uwsgi_create_key(ngx_http_request_t *r) -{ - ngx_str_t *key; - ngx_http_uwsgi_loc_conf_t *uwcf; - - key = ngx_array_push(&r->cache->keys); - if (key == NULL) { - return NGX_ERROR; - } - - uwcf = ngx_http_get_module_loc_conf(r, ngx_http_uwsgi_module); - - if (ngx_http_complex_value(r, &uwcf->cache_key, key) != NGX_OK) { - return NGX_ERROR; - } - - return NGX_OK; -} - -#endif - - -static ngx_int_t -ngx_http_uwsgi_create_request(ngx_http_request_t *r) -{ - u_char ch, *lowcase_key; - size_t key_len, val_len, len, allocated; - ngx_uint_t i, n, hash, skip_empty, header_params; - ngx_buf_t *b; - ngx_chain_t *cl, *body; - ngx_list_part_t *part; - ngx_table_elt_t *header, **ignored; - ngx_http_uwsgi_params_t *params; - ngx_http_script_code_pt code; - ngx_http_script_engine_t e, le; - ngx_http_uwsgi_loc_conf_t *uwcf; - ngx_http_script_len_code_pt lcode; - - len = 0; - header_params = 0; - ignored = NULL; - - uwcf = ngx_http_get_module_loc_conf(r, ngx_http_uwsgi_module); - -#if (NGX_HTTP_CACHE) - params = r->upstream->cacheable ? &uwcf->params_cache : &uwcf->params; -#else - params = &uwcf->params; -#endif - - if (params->lengths) { - ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); - - ngx_http_script_flush_no_cacheable_variables(r, params->flushes); - le.flushed = 1; - - le.ip = params->lengths->elts; - le.request = r; - - while (*(uintptr_t *) le.ip) { - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - key_len = lcode(&le); - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - skip_empty = lcode(&le); - - for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { - lcode = *(ngx_http_script_len_code_pt *) le.ip; - } - le.ip += sizeof(uintptr_t); - - if (skip_empty && val_len == 0) { - continue; - } - - len += 2 + key_len + 2 + val_len; - } - } - - if (uwcf->upstream.pass_request_headers) { - - allocated = 0; - lowcase_key = NULL; - - if (params->number) { - n = 0; - part = &r->headers_in.headers.part; - - while (part) { - n += part->nelts; - part = part->next; - } - - ignored = ngx_palloc(r->pool, n * sizeof(void *)); - if (ignored == NULL) { - return NGX_ERROR; - } - } - - part = &r->headers_in.headers.part; - header = part->elts; - - for (i = 0; /* void */ ; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - if (params->number) { - if (allocated < header[i].key.len) { - allocated = header[i].key.len + 16; - lowcase_key = ngx_pnalloc(r->pool, allocated); - if (lowcase_key == NULL) { - return NGX_ERROR; - } - } - - hash = 0; - - for (n = 0; n < header[i].key.len; n++) { - ch = header[i].key.data[n]; - - if (ch >= 'A' && ch <= 'Z') { - ch |= 0x20; - - } else if (ch == '-') { - ch = '_'; - } - - hash = ngx_hash(hash, ch); - lowcase_key[n] = ch; - } - - if (ngx_hash_find(¶ms->hash, hash, lowcase_key, n)) { - ignored[header_params++] = &header[i]; - continue; - } - } - - len += 2 + sizeof("HTTP_") - 1 + header[i].key.len - + 2 + header[i].value.len; - } - } - - len += uwcf->uwsgi_string.len; - -#if 0 - /* allow custom uwsgi packet */ - if (len > 0 && len < 2) { - ngx_log_error (NGX_LOG_ALERT, r->connection->log, 0, - "uwsgi request is too little: %uz", len); - return NGX_ERROR; - } -#endif - - b = ngx_create_temp_buf(r->pool, len + 4); - if (b == NULL) { - return NGX_ERROR; - } - - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - - *b->last++ = (u_char) uwcf->modifier1; - *b->last++ = (u_char) (len & 0xff); - *b->last++ = (u_char) ((len >> 8) & 0xff); - *b->last++ = (u_char) uwcf->modifier2; - - if (params->lengths) { - ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); - - e.ip = params->values->elts; - e.pos = b->last; - e.request = r; - e.flushed = 1; - - le.ip = params->lengths->elts; - - while (*(uintptr_t *) le.ip) { - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - key_len = (u_char) lcode(&le); - - lcode = *(ngx_http_script_len_code_pt *) le.ip; - skip_empty = lcode(&le); - - for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { - lcode = *(ngx_http_script_len_code_pt *) le.ip; - } - le.ip += sizeof(uintptr_t); - - if (skip_empty && val_len == 0) { - e.skip = 1; - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - e.ip += sizeof(uintptr_t); - - e.skip = 0; - - continue; - } - - *e.pos++ = (u_char) (key_len & 0xff); - *e.pos++ = (u_char) ((key_len >> 8) & 0xff); - - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - - *e.pos++ = (u_char) (val_len & 0xff); - *e.pos++ = (u_char) ((val_len >> 8) & 0xff); - - while (*(uintptr_t *) e.ip) { - code = *(ngx_http_script_code_pt *) e.ip; - code((ngx_http_script_engine_t *) &e); - } - - e.ip += sizeof(uintptr_t); - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "uwsgi param: \"%*s: %*s\"", - key_len, e.pos - (key_len + 2 + val_len), - val_len, e.pos - val_len); - } - - b->last = e.pos; - } - - if (uwcf->upstream.pass_request_headers) { - - part = &r->headers_in.headers.part; - header = part->elts; - - for (i = 0; /* void */ ; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - for (n = 0; n < header_params; n++) { - if (&header[i] == ignored[n]) { - goto next; - } - } - - key_len = sizeof("HTTP_") - 1 + header[i].key.len; - *b->last++ = (u_char) (key_len & 0xff); - *b->last++ = (u_char) ((key_len >> 8) & 0xff); - - b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1); - for (n = 0; n < header[i].key.len; n++) { - ch = header[i].key.data[n]; - - if (ch >= 'a' && ch <= 'z') { - ch &= ~0x20; - - } else if (ch == '-') { - ch = '_'; - } - - *b->last++ = ch; - } - - val_len = header[i].value.len; - *b->last++ = (u_char) (val_len & 0xff); - *b->last++ = (u_char) ((val_len >> 8) & 0xff); - b->last = ngx_copy(b->last, header[i].value.data, val_len); - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "uwsgi param: \"%*s: %*s\"", - key_len, b->last - (key_len + 2 + val_len), - val_len, b->last - val_len); - next: - - continue; - } - } - - b->last = ngx_copy(b->last, uwcf->uwsgi_string.data, - uwcf->uwsgi_string.len); - - if (r->request_body_no_buffering) { - r->upstream->request_bufs = cl; - - } else if (uwcf->upstream.pass_request_body) { - body = r->upstream->request_bufs; - r->upstream->request_bufs = cl; - - while (body) { - b = ngx_alloc_buf(r->pool); - if (b == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); - - cl->next = ngx_alloc_chain_link(r->pool); - if (cl->next == NULL) { - return NGX_ERROR; - } - - cl = cl->next; - cl->buf = b; - - body = body->next; - } - - } else { - r->upstream->request_bufs = cl; - } - - cl->next = NULL; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_uwsgi_reinit_request(ngx_http_request_t *r) -{ - ngx_http_status_t *status; - - status = ngx_http_get_module_ctx(r, ngx_http_uwsgi_module); - - if (status == NULL) { - return NGX_OK; - } - - status->code = 0; - status->count = 0; - status->start = NULL; - status->end = NULL; - - r->upstream->process_header = ngx_http_uwsgi_process_status_line; - r->state = 0; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_uwsgi_process_status_line(ngx_http_request_t *r) -{ - size_t len; - ngx_int_t rc; - ngx_http_status_t *status; - ngx_http_upstream_t *u; - - status = ngx_http_get_module_ctx(r, ngx_http_uwsgi_module); - - if (status == NULL) { - return NGX_ERROR; - } - - u = r->upstream; - - rc = ngx_http_parse_status_line(r, &u->buffer, status); - - if (rc == NGX_AGAIN) { - return rc; - } - - if (rc == NGX_ERROR) { - u->process_header = ngx_http_uwsgi_process_header; - return ngx_http_uwsgi_process_header(r); - } - - if (u->state && u->state->status == 0) { - u->state->status = status->code; - } - - u->headers_in.status_n = status->code; - - len = status->end - status->start; - u->headers_in.status_line.len = len; - - u->headers_in.status_line.data = ngx_pnalloc(r->pool, len); - if (u->headers_in.status_line.data == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(u->headers_in.status_line.data, status->start, len); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http uwsgi status %ui \"%V\"", - u->headers_in.status_n, &u->headers_in.status_line); - - u->process_header = ngx_http_uwsgi_process_header; - - return ngx_http_uwsgi_process_header(r); -} - - -static ngx_int_t -ngx_http_uwsgi_process_header(ngx_http_request_t *r) -{ - ngx_str_t *status_line; - ngx_int_t rc, status; - ngx_table_elt_t *h; - ngx_http_upstream_t *u; - ngx_http_upstream_header_t *hh; - ngx_http_upstream_main_conf_t *umcf; - - umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); - - for ( ;; ) { - - rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1); - - if (rc == NGX_OK) { - - /* a header line has been parsed successfully */ - - h = ngx_list_push(&r->upstream->headers_in.headers); - if (h == NULL) { - return NGX_ERROR; - } - - h->hash = r->header_hash; - - h->key.len = r->header_name_end - r->header_name_start; - h->value.len = r->header_end - r->header_start; - - h->key.data = ngx_pnalloc(r->pool, - h->key.len + 1 + h->value.len + 1 - + h->key.len); - if (h->key.data == NULL) { - h->hash = 0; - return NGX_ERROR; - } - - h->value.data = h->key.data + h->key.len + 1; - h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; - - ngx_memcpy(h->key.data, r->header_name_start, h->key.len); - h->key.data[h->key.len] = '\0'; - ngx_memcpy(h->value.data, r->header_start, h->value.len); - h->value.data[h->value.len] = '\0'; - - if (h->key.len == r->lowcase_index) { - ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); - - } else { - ngx_strlow(h->lowcase_key, h->key.data, h->key.len); - } - - hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, - h->lowcase_key, h->key.len); - - if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { - return NGX_ERROR; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http uwsgi header: \"%V: %V\"", &h->key, &h->value); - - continue; - } - - if (rc == NGX_HTTP_PARSE_HEADER_DONE) { - - /* a whole header has been parsed successfully */ - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http uwsgi header done"); - - u = r->upstream; - - if (u->headers_in.status_n) { - goto done; - } - - if (u->headers_in.status) { - status_line = &u->headers_in.status->value; - - status = ngx_atoi(status_line->data, 3); - if (status == NGX_ERROR) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid status \"%V\"", - status_line); - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } - - u->headers_in.status_n = status; - u->headers_in.status_line = *status_line; - - } else if (u->headers_in.location) { - u->headers_in.status_n = 302; - ngx_str_set(&u->headers_in.status_line, - "302 Moved Temporarily"); - - } else { - u->headers_in.status_n = 200; - ngx_str_set(&u->headers_in.status_line, "200 OK"); - } - - if (u->state && u->state->status == 0) { - u->state->status = u->headers_in.status_n; - } - - done: - - if (u->headers_in.status_n == NGX_HTTP_SWITCHING_PROTOCOLS - && r->headers_in.upgrade) - { - u->upgrade = 1; - } - - return NGX_OK; - } - - if (rc == NGX_AGAIN) { - return NGX_AGAIN; - } - - /* there was error while a header line parsing */ - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "upstream sent invalid header"); - - return NGX_HTTP_UPSTREAM_INVALID_HEADER; - } -} - - -static void -ngx_http_uwsgi_abort_request(ngx_http_request_t *r) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "abort http uwsgi request"); - - return; -} - - -static void -ngx_http_uwsgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc) -{ - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "finalize http uwsgi request"); - - return; -} - - -static void * -ngx_http_uwsgi_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_uwsgi_main_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_uwsgi_main_conf_t)); - if (conf == NULL) { - return NULL; - } - -#if (NGX_HTTP_CACHE) - if (ngx_array_init(&conf->caches, cf->pool, 4, - sizeof(ngx_http_file_cache_t *)) - != NGX_OK) - { - return NULL; - } -#endif - - return conf; -} - - -static void * -ngx_http_uwsgi_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_uwsgi_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_uwsgi_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - conf->modifier1 = NGX_CONF_UNSET_UINT; - conf->modifier2 = NGX_CONF_UNSET_UINT; - - conf->upstream.store = NGX_CONF_UNSET; - conf->upstream.store_access = NGX_CONF_UNSET_UINT; - conf->upstream.next_upstream_tries = NGX_CONF_UNSET_UINT; - conf->upstream.buffering = NGX_CONF_UNSET; - conf->upstream.request_buffering = NGX_CONF_UNSET; - conf->upstream.ignore_client_abort = NGX_CONF_UNSET; - conf->upstream.force_ranges = NGX_CONF_UNSET; - - conf->upstream.local = NGX_CONF_UNSET_PTR; - - conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.next_upstream_timeout = NGX_CONF_UNSET_MSEC; - - conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; - conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; - conf->upstream.limit_rate = NGX_CONF_UNSET_SIZE; - - conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; - conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; - conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; - - conf->upstream.pass_request_headers = NGX_CONF_UNSET; - conf->upstream.pass_request_body = NGX_CONF_UNSET; - -#if (NGX_HTTP_CACHE) - conf->upstream.cache = NGX_CONF_UNSET; - conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT; - conf->upstream.cache_max_range_offset = NGX_CONF_UNSET; - conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR; - conf->upstream.no_cache = NGX_CONF_UNSET_PTR; - conf->upstream.cache_valid = NGX_CONF_UNSET_PTR; - conf->upstream.cache_lock = NGX_CONF_UNSET; - conf->upstream.cache_lock_timeout = NGX_CONF_UNSET_MSEC; - conf->upstream.cache_lock_age = NGX_CONF_UNSET_MSEC; - conf->upstream.cache_revalidate = NGX_CONF_UNSET; - conf->upstream.cache_background_update = NGX_CONF_UNSET; -#endif - - conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; - conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; - - conf->upstream.intercept_errors = NGX_CONF_UNSET; - -#if (NGX_HTTP_SSL) - conf->upstream.ssl_session_reuse = NGX_CONF_UNSET; - conf->upstream.ssl_server_name = NGX_CONF_UNSET; - conf->upstream.ssl_verify = NGX_CONF_UNSET; - conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; - conf->ssl_passwords = NGX_CONF_UNSET_PTR; -#endif - - /* "uwsgi_cyclic_temp_file" is disabled */ - conf->upstream.cyclic_temp_file = 0; - - conf->upstream.change_buffering = 1; - - ngx_str_set(&conf->upstream.module, "uwsgi"); - - return conf; -} - - -static char * -ngx_http_uwsgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_uwsgi_loc_conf_t *prev = parent; - ngx_http_uwsgi_loc_conf_t *conf = child; - - size_t size; - ngx_int_t rc; - ngx_hash_init_t hash; - ngx_http_core_loc_conf_t *clcf; - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.store > 0) { - conf->upstream.cache = 0; - } - - if (conf->upstream.cache > 0) { - conf->upstream.store = 0; - } - -#endif - - if (conf->upstream.store == NGX_CONF_UNSET) { - ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0); - - conf->upstream.store_lengths = prev->upstream.store_lengths; - conf->upstream.store_values = prev->upstream.store_values; - } - - ngx_conf_merge_uint_value(conf->upstream.store_access, - prev->upstream.store_access, 0600); - - ngx_conf_merge_uint_value(conf->upstream.next_upstream_tries, - prev->upstream.next_upstream_tries, 0); - - ngx_conf_merge_value(conf->upstream.buffering, - prev->upstream.buffering, 1); - - ngx_conf_merge_value(conf->upstream.request_buffering, - prev->upstream.request_buffering, 1); - - ngx_conf_merge_value(conf->upstream.ignore_client_abort, - prev->upstream.ignore_client_abort, 0); - - ngx_conf_merge_value(conf->upstream.force_ranges, - prev->upstream.force_ranges, 0); - - ngx_conf_merge_ptr_value(conf->upstream.local, - prev->upstream.local, NULL); - - ngx_conf_merge_msec_value(conf->upstream.connect_timeout, - prev->upstream.connect_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.send_timeout, - prev->upstream.send_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.read_timeout, - prev->upstream.read_timeout, 60000); - - ngx_conf_merge_msec_value(conf->upstream.next_upstream_timeout, - prev->upstream.next_upstream_timeout, 0); - - ngx_conf_merge_size_value(conf->upstream.send_lowat, - prev->upstream.send_lowat, 0); - - ngx_conf_merge_size_value(conf->upstream.buffer_size, - prev->upstream.buffer_size, - (size_t) ngx_pagesize); - - ngx_conf_merge_size_value(conf->upstream.limit_rate, - prev->upstream.limit_rate, 0); - - - ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, - 8, ngx_pagesize); - - if (conf->upstream.bufs.num < 2) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "there must be at least 2 \"uwsgi_buffers\""); - return NGX_CONF_ERROR; - } - - - size = conf->upstream.buffer_size; - if (size < conf->upstream.bufs.size) { - size = conf->upstream.bufs.size; - } - - - ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, - prev->upstream.busy_buffers_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.busy_buffers_size = 2 * size; - } else { - conf->upstream.busy_buffers_size = - conf->upstream.busy_buffers_size_conf; - } - - if (conf->upstream.busy_buffers_size < size) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"uwsgi_busy_buffers_size\" must be equal to or greater " - "than the maximum of the value of \"uwsgi_buffer_size\" and " - "one of the \"uwsgi_buffers\""); - - return NGX_CONF_ERROR; - } - - if (conf->upstream.busy_buffers_size - > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"uwsgi_busy_buffers_size\" must be less than " - "the size of all \"uwsgi_buffers\" minus one buffer"); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, - prev->upstream.temp_file_write_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.temp_file_write_size = 2 * size; - } else { - conf->upstream.temp_file_write_size = - conf->upstream.temp_file_write_size_conf; - } - - if (conf->upstream.temp_file_write_size < size) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"uwsgi_temp_file_write_size\" must be equal to or greater than " - "the maximum of the value of \"uwsgi_buffer_size\" and " - "one of the \"uwsgi_buffers\""); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, - prev->upstream.max_temp_file_size_conf, - NGX_CONF_UNSET_SIZE); - - if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { - conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; - } else { - conf->upstream.max_temp_file_size = - conf->upstream.max_temp_file_size_conf; - } - - if (conf->upstream.max_temp_file_size != 0 - && conf->upstream.max_temp_file_size < size) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"uwsgi_max_temp_file_size\" must be equal to zero to disable " - "temporary files usage or must be equal to or greater than " - "the maximum of the value of \"uwsgi_buffer_size\" and " - "one of the \"uwsgi_buffers\""); - - return NGX_CONF_ERROR; - } - - - ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, - prev->upstream.ignore_headers, - NGX_CONF_BITMASK_SET); - - - ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, - prev->upstream.next_upstream, - (NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_ERROR - |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); - - if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { - conf->upstream.next_upstream = NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF; - } - - if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path, - prev->upstream.temp_path, - &ngx_http_uwsgi_temp_path) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.cache == NGX_CONF_UNSET) { - ngx_conf_merge_value(conf->upstream.cache, - prev->upstream.cache, 0); - - conf->upstream.cache_zone = prev->upstream.cache_zone; - conf->upstream.cache_value = prev->upstream.cache_value; - } - - if (conf->upstream.cache_zone && conf->upstream.cache_zone->data == NULL) { - ngx_shm_zone_t *shm_zone; - - shm_zone = conf->upstream.cache_zone; - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"uwsgi_cache\" zone \"%V\" is unknown", - &shm_zone->shm.name); - - return NGX_CONF_ERROR; - } - - ngx_conf_merge_uint_value(conf->upstream.cache_min_uses, - prev->upstream.cache_min_uses, 1); - - ngx_conf_merge_off_value(conf->upstream.cache_max_range_offset, - prev->upstream.cache_max_range_offset, - NGX_MAX_OFF_T_VALUE); - - ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale, - prev->upstream.cache_use_stale, - (NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF)); - - if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) { - conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET - |NGX_HTTP_UPSTREAM_FT_OFF; - } - - if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_ERROR) { - conf->upstream.cache_use_stale |= NGX_HTTP_UPSTREAM_FT_NOLIVE; - } - - if (conf->upstream.cache_methods == 0) { - conf->upstream.cache_methods = prev->upstream.cache_methods; - } - - conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD; - - ngx_conf_merge_ptr_value(conf->upstream.cache_bypass, - prev->upstream.cache_bypass, NULL); - - ngx_conf_merge_ptr_value(conf->upstream.no_cache, - prev->upstream.no_cache, NULL); - - ngx_conf_merge_ptr_value(conf->upstream.cache_valid, - prev->upstream.cache_valid, NULL); - - if (conf->cache_key.value.data == NULL) { - conf->cache_key = prev->cache_key; - } - - if (conf->upstream.cache && conf->cache_key.value.data == NULL) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "no \"uwsgi_cache_key\" for \"uwsgi_cache\""); - } - - ngx_conf_merge_value(conf->upstream.cache_lock, - prev->upstream.cache_lock, 0); - - ngx_conf_merge_msec_value(conf->upstream.cache_lock_timeout, - prev->upstream.cache_lock_timeout, 5000); - - ngx_conf_merge_msec_value(conf->upstream.cache_lock_age, - prev->upstream.cache_lock_age, 5000); - - ngx_conf_merge_value(conf->upstream.cache_revalidate, - prev->upstream.cache_revalidate, 0); - - ngx_conf_merge_value(conf->upstream.cache_background_update, - prev->upstream.cache_background_update, 0); - -#endif - - ngx_conf_merge_value(conf->upstream.pass_request_headers, - prev->upstream.pass_request_headers, 1); - ngx_conf_merge_value(conf->upstream.pass_request_body, - prev->upstream.pass_request_body, 1); - - ngx_conf_merge_value(conf->upstream.intercept_errors, - prev->upstream.intercept_errors, 0); - -#if (NGX_HTTP_SSL) - - ngx_conf_merge_value(conf->upstream.ssl_session_reuse, - prev->upstream.ssl_session_reuse, 1); - - ngx_conf_merge_bitmask_value(conf->ssl_protocols, prev->ssl_protocols, - (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 - |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); - - ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, - "DEFAULT"); - - if (conf->upstream.ssl_name == NULL) { - conf->upstream.ssl_name = prev->upstream.ssl_name; - } - - ngx_conf_merge_value(conf->upstream.ssl_server_name, - prev->upstream.ssl_server_name, 0); - ngx_conf_merge_value(conf->upstream.ssl_verify, - prev->upstream.ssl_verify, 0); - ngx_conf_merge_uint_value(conf->ssl_verify_depth, - prev->ssl_verify_depth, 1); - ngx_conf_merge_str_value(conf->ssl_trusted_certificate, - prev->ssl_trusted_certificate, ""); - ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); - - ngx_conf_merge_str_value(conf->ssl_certificate, - prev->ssl_certificate, ""); - ngx_conf_merge_str_value(conf->ssl_certificate_key, - prev->ssl_certificate_key, ""); - ngx_conf_merge_ptr_value(conf->ssl_passwords, prev->ssl_passwords, NULL); - - if (conf->ssl && ngx_http_uwsgi_set_ssl(cf, conf) != NGX_OK) { - return NGX_CONF_ERROR; - } - -#endif - - ngx_conf_merge_str_value(conf->uwsgi_string, prev->uwsgi_string, ""); - - hash.max_size = 512; - hash.bucket_size = ngx_align(64, ngx_cacheline_size); - hash.name = "uwsgi_hide_headers_hash"; - - if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, - &prev->upstream, ngx_http_uwsgi_hide_headers, &hash) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - - if (clcf->noname - && conf->upstream.upstream == NULL && conf->uwsgi_lengths == NULL) - { - conf->upstream.upstream = prev->upstream.upstream; - - conf->uwsgi_lengths = prev->uwsgi_lengths; - conf->uwsgi_values = prev->uwsgi_values; - -#if (NGX_HTTP_SSL) - conf->upstream.ssl = prev->upstream.ssl; -#endif - } - - if (clcf->lmt_excpt && clcf->handler == NULL - && (conf->upstream.upstream || conf->uwsgi_lengths)) - { - clcf->handler = ngx_http_uwsgi_handler; - } - - ngx_conf_merge_uint_value(conf->modifier1, prev->modifier1, 0); - ngx_conf_merge_uint_value(conf->modifier2, prev->modifier2, 0); - - if (conf->params_source == NULL) { - conf->params = prev->params; -#if (NGX_HTTP_CACHE) - conf->params_cache = prev->params_cache; -#endif - conf->params_source = prev->params_source; - } - - rc = ngx_http_uwsgi_init_params(cf, conf, &conf->params, NULL); - if (rc != NGX_OK) { - return NGX_CONF_ERROR; - } - -#if (NGX_HTTP_CACHE) - - if (conf->upstream.cache) { - rc = ngx_http_uwsgi_init_params(cf, conf, &conf->params_cache, - ngx_http_uwsgi_cache_headers); - if (rc != NGX_OK) { - return NGX_CONF_ERROR; - } - } - -#endif - - /* - * special handling to preserve conf->params in the "http" section - * to inherit it to all servers - */ - - if (prev->params.hash.buckets == NULL - && conf->params_source == prev->params_source) - { - prev->params = conf->params; -#if (NGX_HTTP_CACHE) - prev->params_cache = conf->params_cache; -#endif - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_uwsgi_init_params(ngx_conf_t *cf, ngx_http_uwsgi_loc_conf_t *conf, - ngx_http_uwsgi_params_t *params, ngx_keyval_t *default_params) -{ - u_char *p; - size_t size; - uintptr_t *code; - ngx_uint_t i, nsrc; - ngx_array_t headers_names, params_merged; - ngx_keyval_t *h; - ngx_hash_key_t *hk; - ngx_hash_init_t hash; - ngx_http_upstream_param_t *src, *s; - ngx_http_script_compile_t sc; - ngx_http_script_copy_code_t *copy; - - if (params->hash.buckets) { - return NGX_OK; - } - - if (conf->params_source == NULL && default_params == NULL) { - params->hash.buckets = (void *) 1; - return NGX_OK; - } - - params->lengths = ngx_array_create(cf->pool, 64, 1); - if (params->lengths == NULL) { - return NGX_ERROR; - } - - params->values = ngx_array_create(cf->pool, 512, 1); - if (params->values == NULL) { - return NGX_ERROR; - } - - if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - if (conf->params_source) { - src = conf->params_source->elts; - nsrc = conf->params_source->nelts; - - } else { - src = NULL; - nsrc = 0; - } - - if (default_params) { - if (ngx_array_init(¶ms_merged, cf->temp_pool, 4, - sizeof(ngx_http_upstream_param_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - for (i = 0; i < nsrc; i++) { - - s = ngx_array_push(¶ms_merged); - if (s == NULL) { - return NGX_ERROR; - } - - *s = src[i]; - } - - h = default_params; - - while (h->key.len) { - - src = params_merged.elts; - nsrc = params_merged.nelts; - - for (i = 0; i < nsrc; i++) { - if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { - goto next; - } - } - - s = ngx_array_push(¶ms_merged); - if (s == NULL) { - return NGX_ERROR; - } - - s->key = h->key; - s->value = h->value; - s->skip_empty = 1; - - next: - - h++; - } - - src = params_merged.elts; - nsrc = params_merged.nelts; - } - - for (i = 0; i < nsrc; i++) { - - if (src[i].key.len > sizeof("HTTP_") - 1 - && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0) - { - hk = ngx_array_push(&headers_names); - if (hk == NULL) { - return NGX_ERROR; - } - - hk->key.len = src[i].key.len - 5; - hk->key.data = src[i].key.data + 5; - hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len); - hk->value = (void *) 1; - - if (src[i].value.len == 0) { - continue; - } - } - - copy = ngx_array_push_n(params->lengths, - sizeof(ngx_http_script_copy_code_t)); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = (ngx_http_script_code_pt) (void *) - ngx_http_script_copy_len_code; - copy->len = src[i].key.len; - - copy = ngx_array_push_n(params->lengths, - sizeof(ngx_http_script_copy_code_t)); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = (ngx_http_script_code_pt) (void *) - ngx_http_script_copy_len_code; - copy->len = src[i].skip_empty; - - - size = (sizeof(ngx_http_script_copy_code_t) - + src[i].key.len + sizeof(uintptr_t) - 1) - & ~(sizeof(uintptr_t) - 1); - - copy = ngx_array_push_n(params->values, size); - if (copy == NULL) { - return NGX_ERROR; - } - - copy->code = ngx_http_script_copy_code; - copy->len = src[i].key.len; - - p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); - ngx_memcpy(p, src[i].key.data, src[i].key.len); - - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &src[i].value; - sc.flushes = ¶ms->flushes; - sc.lengths = ¶ms->lengths; - sc.values = ¶ms->values; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_ERROR; - } - - code = ngx_array_push_n(params->lengths, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - - - code = ngx_array_push_n(params->values, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - } - - code = ngx_array_push_n(params->lengths, sizeof(uintptr_t)); - if (code == NULL) { - return NGX_ERROR; - } - - *code = (uintptr_t) NULL; - - params->number = headers_names.nelts; - - hash.hash = ¶ms->hash; - hash.key = ngx_hash_key_lc; - hash.max_size = 512; - hash.bucket_size = 64; - hash.name = "uwsgi_params_hash"; - hash.pool = cf->pool; - hash.temp_pool = NULL; - - return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts); -} - - -static char * -ngx_http_uwsgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_uwsgi_loc_conf_t *uwcf = conf; - - size_t add; - ngx_url_t u; - ngx_str_t *value, *url; - ngx_uint_t n; - ngx_http_core_loc_conf_t *clcf; - ngx_http_script_compile_t sc; - - if (uwcf->upstream.upstream || uwcf->uwsgi_lengths) { - return "is duplicate"; - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - clcf->handler = ngx_http_uwsgi_handler; - - value = cf->args->elts; - - url = &value[1]; - - n = ngx_http_script_variables_count(url); - - if (n) { - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = url; - sc.lengths = &uwcf->uwsgi_lengths; - sc.values = &uwcf->uwsgi_values; - sc.variables = n; - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - -#if (NGX_HTTP_SSL) - uwcf->ssl = 1; -#endif - - return NGX_CONF_OK; - } - - if (ngx_strncasecmp(url->data, (u_char *) "uwsgi://", 8) == 0) { - add = 8; - - } else if (ngx_strncasecmp(url->data, (u_char *) "suwsgi://", 9) == 0) { - -#if (NGX_HTTP_SSL) - add = 9; - uwcf->ssl = 1; -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "suwsgi protocol requires SSL support"); - return NGX_CONF_ERROR; -#endif - - } else { - add = 0; - } - - ngx_memzero(&u, sizeof(ngx_url_t)); - - u.url.len = url->len - add; - u.url.data = url->data + add; - u.no_resolve = 1; - - uwcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); - if (uwcf->upstream.upstream == NULL) { - return NGX_CONF_ERROR; - } - - if (clcf->name.data[clcf->name.len - 1] == '/') { - clcf->auto_redirect = 1; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_uwsgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_uwsgi_loc_conf_t *uwcf = conf; - - ngx_str_t *value; - ngx_http_script_compile_t sc; - - if (uwcf->upstream.store != NGX_CONF_UNSET) { - return "is duplicate"; - } - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "off") == 0) { - uwcf->upstream.store = 0; - return NGX_CONF_OK; - } - -#if (NGX_HTTP_CACHE) - - if (uwcf->upstream.cache > 0) { - return "is incompatible with \"uwsgi_cache\""; - } - -#endif - - uwcf->upstream.store = 1; - - if (ngx_strcmp(value[1].data, "on") == 0) { - return NGX_CONF_OK; - } - - /* include the terminating '\0' into script */ - value[1].len++; - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - - sc.cf = cf; - sc.source = &value[1]; - sc.lengths = &uwcf->upstream.store_lengths; - sc.values = &uwcf->upstream.store_values; - sc.variables = ngx_http_script_variables_count(&value[1]); - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -#if (NGX_HTTP_CACHE) - -static char * -ngx_http_uwsgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_uwsgi_loc_conf_t *uwcf = conf; - - ngx_str_t *value; - ngx_http_complex_value_t cv; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (uwcf->upstream.cache != NGX_CONF_UNSET) { - return "is duplicate"; - } - - if (ngx_strcmp(value[1].data, "off") == 0) { - uwcf->upstream.cache = 0; - return NGX_CONF_OK; - } - - if (uwcf->upstream.store > 0) { - return "is incompatible with \"uwsgi_store\""; - } - - uwcf->upstream.cache = 1; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths != NULL) { - - uwcf->upstream.cache_value = ngx_palloc(cf->pool, - sizeof(ngx_http_complex_value_t)); - if (uwcf->upstream.cache_value == NULL) { - return NGX_CONF_ERROR; - } - - *uwcf->upstream.cache_value = cv; - - return NGX_CONF_OK; - } - - uwcf->upstream.cache_zone = ngx_shared_memory_add(cf, &value[1], 0, - &ngx_http_uwsgi_module); - if (uwcf->upstream.cache_zone == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_uwsgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_uwsgi_loc_conf_t *uwcf = conf; - - ngx_str_t *value; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (uwcf->cache_key.value.data) { - return "is duplicate"; - } - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[1]; - ccv.complex_value = &uwcf->cache_key; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - -#endif - - -#if (NGX_HTTP_SSL) - -static char * -ngx_http_uwsgi_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_uwsgi_loc_conf_t *uwcf = conf; - - ngx_str_t *value; - - if (uwcf->ssl_passwords != NGX_CONF_UNSET_PTR) { - return "is duplicate"; - } - - value = cf->args->elts; - - uwcf->ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); - - if (uwcf->ssl_passwords == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_uwsgi_set_ssl(ngx_conf_t *cf, ngx_http_uwsgi_loc_conf_t *uwcf) -{ - ngx_pool_cleanup_t *cln; - - uwcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); - if (uwcf->upstream.ssl == NULL) { - return NGX_ERROR; - } - - uwcf->upstream.ssl->log = cf->log; - - if (ngx_ssl_create(uwcf->upstream.ssl, uwcf->ssl_protocols, NULL) - != NGX_OK) - { - return NGX_ERROR; - } - - cln = ngx_pool_cleanup_add(cf->pool, 0); - if (cln == NULL) { - return NGX_ERROR; - } - - cln->handler = ngx_ssl_cleanup_ctx; - cln->data = uwcf->upstream.ssl; - - if (uwcf->ssl_certificate.len) { - - if (uwcf->ssl_certificate_key.len == 0) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no \"uwsgi_ssl_certificate_key\" is defined " - "for certificate \"%V\"", &uwcf->ssl_certificate); - return NGX_ERROR; - } - - if (ngx_ssl_certificate(cf, uwcf->upstream.ssl, &uwcf->ssl_certificate, - &uwcf->ssl_certificate_key, uwcf->ssl_passwords) - != NGX_OK) - { - return NGX_ERROR; - } - } - - if (ngx_ssl_ciphers(cf, uwcf->upstream.ssl, &uwcf->ssl_ciphers, 0) - != NGX_OK) - { - return NGX_ERROR; - } - - if (uwcf->upstream.ssl_verify) { - if (uwcf->ssl_trusted_certificate.len == 0) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no uwsgi_ssl_trusted_certificate for uwsgi_ssl_verify"); - return NGX_ERROR; - } - - if (ngx_ssl_trusted_certificate(cf, uwcf->upstream.ssl, - &uwcf->ssl_trusted_certificate, - uwcf->ssl_verify_depth) - != NGX_OK) - { - return NGX_ERROR; - } - - if (ngx_ssl_crl(cf, uwcf->upstream.ssl, &uwcf->ssl_crl) != NGX_OK) { - return NGX_ERROR; - } - } - - return NGX_OK; -} - -#endif diff --git a/nginx/src/http/modules/ngx_http_xslt_filter_module.c b/nginx/src/http/modules/ngx_http_xslt_filter_module.c deleted file mode 100644 index ea7ce2a..0000000 --- a/nginx/src/http/modules/ngx_http_xslt_filter_module.c +++ /dev/null @@ -1,1158 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - -#include <libxml/parser.h> -#include <libxml/tree.h> -#include <libxslt/xslt.h> -#include <libxslt/xsltInternals.h> -#include <libxslt/transform.h> -#include <libxslt/variables.h> -#include <libxslt/xsltutils.h> - -#if (NGX_HAVE_EXSLT) -#include <libexslt/exslt.h> -#endif - - -#ifndef NGX_HTTP_XSLT_REUSE_DTD -#define NGX_HTTP_XSLT_REUSE_DTD 1 -#endif - - -typedef struct { - u_char *name; - void *data; -} ngx_http_xslt_file_t; - - -typedef struct { - ngx_array_t dtd_files; /* ngx_http_xslt_file_t */ - ngx_array_t sheet_files; /* ngx_http_xslt_file_t */ -} ngx_http_xslt_filter_main_conf_t; - - -typedef struct { - u_char *name; - ngx_http_complex_value_t value; - ngx_uint_t quote; /* unsigned quote:1; */ -} ngx_http_xslt_param_t; - - -typedef struct { - xsltStylesheetPtr stylesheet; - ngx_array_t params; /* ngx_http_xslt_param_t */ -} ngx_http_xslt_sheet_t; - - -typedef struct { - xmlDtdPtr dtd; - ngx_array_t sheets; /* ngx_http_xslt_sheet_t */ - ngx_hash_t types; - ngx_array_t *types_keys; - ngx_array_t *params; /* ngx_http_xslt_param_t */ - ngx_flag_t last_modified; -} ngx_http_xslt_filter_loc_conf_t; - - -typedef struct { - xmlDocPtr doc; - xmlParserCtxtPtr ctxt; - xsltTransformContextPtr transform; - ngx_http_request_t *request; - ngx_array_t params; - - ngx_uint_t done; /* unsigned done:1; */ -} ngx_http_xslt_filter_ctx_t; - - -static ngx_int_t ngx_http_xslt_send(ngx_http_request_t *r, - ngx_http_xslt_filter_ctx_t *ctx, ngx_buf_t *b); -static ngx_int_t ngx_http_xslt_add_chunk(ngx_http_request_t *r, - ngx_http_xslt_filter_ctx_t *ctx, ngx_buf_t *b); - - -static void ngx_http_xslt_sax_external_subset(void *data, const xmlChar *name, - const xmlChar *externalId, const xmlChar *systemId); -static void ngx_cdecl ngx_http_xslt_sax_error(void *data, const char *msg, ...); - - -static ngx_buf_t *ngx_http_xslt_apply_stylesheet(ngx_http_request_t *r, - ngx_http_xslt_filter_ctx_t *ctx); -static ngx_int_t ngx_http_xslt_params(ngx_http_request_t *r, - ngx_http_xslt_filter_ctx_t *ctx, ngx_array_t *params, ngx_uint_t final); -static u_char *ngx_http_xslt_content_type(xsltStylesheetPtr s); -static u_char *ngx_http_xslt_encoding(xsltStylesheetPtr s); -static void ngx_http_xslt_cleanup(void *data); - -static char *ngx_http_xslt_entities(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_xslt_param(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static void ngx_http_xslt_cleanup_dtd(void *data); -static void ngx_http_xslt_cleanup_stylesheet(void *data); -static void *ngx_http_xslt_filter_create_main_conf(ngx_conf_t *cf); -static void *ngx_http_xslt_filter_create_conf(ngx_conf_t *cf); -static char *ngx_http_xslt_filter_merge_conf(ngx_conf_t *cf, void *parent, - void *child); -static ngx_int_t ngx_http_xslt_filter_preconfiguration(ngx_conf_t *cf); -static ngx_int_t ngx_http_xslt_filter_init(ngx_conf_t *cf); -static void ngx_http_xslt_filter_exit(ngx_cycle_t *cycle); - - -static ngx_str_t ngx_http_xslt_default_types[] = { - ngx_string("text/xml"), - ngx_null_string -}; - - -static ngx_command_t ngx_http_xslt_filter_commands[] = { - - { ngx_string("xml_entities"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_xslt_entities, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("xslt_stylesheet"), - NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_xslt_stylesheet, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("xslt_param"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_http_xslt_param, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("xslt_string_param"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, - ngx_http_xslt_param, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - (void *) 1 }, - - { ngx_string("xslt_types"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_types_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_xslt_filter_loc_conf_t, types_keys), - &ngx_http_xslt_default_types[0] }, - - { ngx_string("xslt_last_modified"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_xslt_filter_loc_conf_t, last_modified), - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_xslt_filter_module_ctx = { - ngx_http_xslt_filter_preconfiguration, /* preconfiguration */ - ngx_http_xslt_filter_init, /* postconfiguration */ - - ngx_http_xslt_filter_create_main_conf, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_xslt_filter_create_conf, /* create location configuration */ - ngx_http_xslt_filter_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_xslt_filter_module = { - NGX_MODULE_V1, - &ngx_http_xslt_filter_module_ctx, /* module context */ - ngx_http_xslt_filter_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - ngx_http_xslt_filter_exit, /* exit process */ - ngx_http_xslt_filter_exit, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static ngx_int_t -ngx_http_xslt_header_filter(ngx_http_request_t *r) -{ - ngx_http_xslt_filter_ctx_t *ctx; - ngx_http_xslt_filter_loc_conf_t *conf; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "xslt filter header"); - - if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED) { - return ngx_http_next_header_filter(r); - } - - conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); - - if (conf->sheets.nelts == 0 - || ngx_http_test_content_type(r, &conf->types) == NULL) - { - return ngx_http_next_header_filter(r); - } - - ctx = ngx_http_get_module_ctx(r, ngx_http_xslt_filter_module); - - if (ctx) { - return ngx_http_next_header_filter(r); - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_xslt_filter_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_xslt_filter_module); - - r->main_filter_need_in_memory = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_xslt_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - int wellFormed; - ngx_chain_t *cl; - ngx_http_xslt_filter_ctx_t *ctx; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "xslt filter body"); - - if (in == NULL) { - return ngx_http_next_body_filter(r, in); - } - - ctx = ngx_http_get_module_ctx(r, ngx_http_xslt_filter_module); - - if (ctx == NULL || ctx->done) { - return ngx_http_next_body_filter(r, in); - } - - for (cl = in; cl; cl = cl->next) { - - if (ngx_http_xslt_add_chunk(r, ctx, cl->buf) != NGX_OK) { - - if (ctx->ctxt->myDoc) { - -#if (NGX_HTTP_XSLT_REUSE_DTD) - ctx->ctxt->myDoc->extSubset = NULL; -#endif - xmlFreeDoc(ctx->ctxt->myDoc); - } - - xmlFreeParserCtxt(ctx->ctxt); - - return ngx_http_xslt_send(r, ctx, NULL); - } - - if (cl->buf->last_buf || cl->buf->last_in_chain) { - - ctx->doc = ctx->ctxt->myDoc; - -#if (NGX_HTTP_XSLT_REUSE_DTD) - ctx->doc->extSubset = NULL; -#endif - - wellFormed = ctx->ctxt->wellFormed; - - xmlFreeParserCtxt(ctx->ctxt); - - if (wellFormed) { - return ngx_http_xslt_send(r, ctx, - ngx_http_xslt_apply_stylesheet(r, ctx)); - } - - xmlFreeDoc(ctx->doc); - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "not well formed XML document"); - - return ngx_http_xslt_send(r, ctx, NULL); - } - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_xslt_send(ngx_http_request_t *r, ngx_http_xslt_filter_ctx_t *ctx, - ngx_buf_t *b) -{ - ngx_int_t rc; - ngx_chain_t out; - ngx_pool_cleanup_t *cln; - ngx_http_xslt_filter_loc_conf_t *conf; - - ctx->done = 1; - - if (b == NULL) { - return ngx_http_filter_finalize_request(r, &ngx_http_xslt_filter_module, - NGX_HTTP_INTERNAL_SERVER_ERROR); - } - - cln = ngx_pool_cleanup_add(r->pool, 0); - - if (cln == NULL) { - ngx_free(b->pos); - return ngx_http_filter_finalize_request(r, &ngx_http_xslt_filter_module, - NGX_HTTP_INTERNAL_SERVER_ERROR); - } - - if (r == r->main) { - r->headers_out.content_length_n = b->last - b->pos; - - if (r->headers_out.content_length) { - r->headers_out.content_length->hash = 0; - r->headers_out.content_length = NULL; - } - - conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); - - if (!conf->last_modified) { - ngx_http_clear_last_modified(r); - ngx_http_clear_etag(r); - - } else { - ngx_http_weak_etag(r); - } - } - - rc = ngx_http_next_header_filter(r); - - if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { - ngx_free(b->pos); - return rc; - } - - cln->handler = ngx_http_xslt_cleanup; - cln->data = b->pos; - - out.buf = b; - out.next = NULL; - - return ngx_http_next_body_filter(r, &out); -} - - -static ngx_int_t -ngx_http_xslt_add_chunk(ngx_http_request_t *r, ngx_http_xslt_filter_ctx_t *ctx, - ngx_buf_t *b) -{ - int err; - xmlParserCtxtPtr ctxt; - - if (ctx->ctxt == NULL) { - - ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL); - if (ctxt == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "xmlCreatePushParserCtxt() failed"); - return NGX_ERROR; - } - xmlCtxtUseOptions(ctxt, XML_PARSE_NOENT|XML_PARSE_DTDLOAD - |XML_PARSE_NOWARNING); - - ctxt->sax->externalSubset = ngx_http_xslt_sax_external_subset; - ctxt->sax->setDocumentLocator = NULL; - ctxt->sax->error = ngx_http_xslt_sax_error; - ctxt->sax->fatalError = ngx_http_xslt_sax_error; - ctxt->sax->_private = ctx; - - ctx->ctxt = ctxt; - ctx->request = r; - } - - err = xmlParseChunk(ctx->ctxt, (char *) b->pos, (int) (b->last - b->pos), - (b->last_buf) || (b->last_in_chain)); - - if (err == 0) { - b->pos = b->last; - return NGX_OK; - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "xmlParseChunk() failed, error:%d", err); - - return NGX_ERROR; -} - - -static void -ngx_http_xslt_sax_external_subset(void *data, const xmlChar *name, - const xmlChar *externalId, const xmlChar *systemId) -{ - xmlParserCtxtPtr ctxt = data; - - xmlDocPtr doc; - xmlDtdPtr dtd; - ngx_http_request_t *r; - ngx_http_xslt_filter_ctx_t *ctx; - ngx_http_xslt_filter_loc_conf_t *conf; - - ctx = ctxt->sax->_private; - r = ctx->request; - - conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "xslt filter extSubset: \"%s\" \"%s\" \"%s\"", - name ? name : (xmlChar *) "", - externalId ? externalId : (xmlChar *) "", - systemId ? systemId : (xmlChar *) ""); - - doc = ctxt->myDoc; - -#if (NGX_HTTP_XSLT_REUSE_DTD) - - dtd = conf->dtd; - -#else - - dtd = xmlCopyDtd(conf->dtd); - if (dtd == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "xmlCopyDtd() failed"); - return; - } - - if (doc->children == NULL) { - xmlAddChild((xmlNodePtr) doc, (xmlNodePtr) dtd); - - } else { - xmlAddPrevSibling(doc->children, (xmlNodePtr) dtd); - } - -#endif - - doc->extSubset = dtd; -} - - -static void ngx_cdecl -ngx_http_xslt_sax_error(void *data, const char *msg, ...) -{ - xmlParserCtxtPtr ctxt = data; - - size_t n; - va_list args; - ngx_http_xslt_filter_ctx_t *ctx; - u_char buf[NGX_MAX_ERROR_STR]; - - ctx = ctxt->sax->_private; - - buf[0] = '\0'; - - va_start(args, msg); - n = (size_t) vsnprintf((char *) buf, NGX_MAX_ERROR_STR, msg, args); - va_end(args); - - while (--n && (buf[n] == CR || buf[n] == LF)) { /* void */ } - - ngx_log_error(NGX_LOG_ERR, ctx->request->connection->log, 0, - "libxml2 error: \"%*s\"", n + 1, buf); -} - - -static ngx_buf_t * -ngx_http_xslt_apply_stylesheet(ngx_http_request_t *r, - ngx_http_xslt_filter_ctx_t *ctx) -{ - int len, rc, doc_type; - u_char *type, *encoding; - ngx_buf_t *b; - ngx_uint_t i; - xmlChar *buf; - xmlDocPtr doc, res; - ngx_http_xslt_sheet_t *sheet; - ngx_http_xslt_filter_loc_conf_t *conf; - - conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); - sheet = conf->sheets.elts; - doc = ctx->doc; - - /* preallocate array for 4 params */ - - if (ngx_array_init(&ctx->params, r->pool, 4 * 2 + 1, sizeof(char *)) - != NGX_OK) - { - xmlFreeDoc(doc); - return NULL; - } - - for (i = 0; i < conf->sheets.nelts; i++) { - - ctx->transform = xsltNewTransformContext(sheet[i].stylesheet, doc); - if (ctx->transform == NULL) { - xmlFreeDoc(doc); - return NULL; - } - - if (conf->params - && ngx_http_xslt_params(r, ctx, conf->params, 0) != NGX_OK) - { - xsltFreeTransformContext(ctx->transform); - xmlFreeDoc(doc); - return NULL; - } - - if (ngx_http_xslt_params(r, ctx, &sheet[i].params, 1) != NGX_OK) { - xsltFreeTransformContext(ctx->transform); - xmlFreeDoc(doc); - return NULL; - } - - res = xsltApplyStylesheetUser(sheet[i].stylesheet, doc, - ctx->params.elts, NULL, NULL, - ctx->transform); - - xsltFreeTransformContext(ctx->transform); - xmlFreeDoc(doc); - - if (res == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "xsltApplyStylesheet() failed"); - return NULL; - } - - doc = res; - - /* reset array elements */ - ctx->params.nelts = 0; - } - - /* there must be at least one stylesheet */ - - if (r == r->main) { - type = ngx_http_xslt_content_type(sheet[i - 1].stylesheet); - - } else { - type = NULL; - } - - encoding = ngx_http_xslt_encoding(sheet[i - 1].stylesheet); - doc_type = doc->type; - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "xslt filter type: %d t:%s e:%s", - doc_type, type ? type : (u_char *) "(null)", - encoding ? encoding : (u_char *) "(null)"); - - rc = xsltSaveResultToString(&buf, &len, doc, sheet[i - 1].stylesheet); - - xmlFreeDoc(doc); - - if (rc != 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "xsltSaveResultToString() failed"); - return NULL; - } - - if (len == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "xsltSaveResultToString() returned zero-length result"); - return NULL; - } - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - ngx_free(buf); - return NULL; - } - - b->pos = buf; - b->last = buf + len; - b->memory = 1; - - if (encoding) { - r->headers_out.charset.len = ngx_strlen(encoding); - r->headers_out.charset.data = encoding; - } - - if (r != r->main) { - return b; - } - - b->last_buf = 1; - - if (type) { - len = ngx_strlen(type); - - r->headers_out.content_type_len = len; - r->headers_out.content_type.len = len; - r->headers_out.content_type.data = type; - - } else if (doc_type == XML_HTML_DOCUMENT_NODE) { - - r->headers_out.content_type_len = sizeof("text/html") - 1; - ngx_str_set(&r->headers_out.content_type, "text/html"); - } - - r->headers_out.content_type_lowcase = NULL; - - return b; -} - - -static ngx_int_t -ngx_http_xslt_params(ngx_http_request_t *r, ngx_http_xslt_filter_ctx_t *ctx, - ngx_array_t *params, ngx_uint_t final) -{ - u_char *p, *last, *value, *dst, *src, **s; - size_t len; - ngx_uint_t i; - ngx_str_t string; - ngx_http_xslt_param_t *param; - - param = params->elts; - - for (i = 0; i < params->nelts; i++) { - - if (ngx_http_complex_value(r, ¶m[i].value, &string) != NGX_OK) { - return NGX_ERROR; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "xslt filter param: \"%s\"", string.data); - - if (param[i].name) { - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "xslt filter param name: \"%s\"", param[i].name); - - if (param[i].quote) { - if (xsltQuoteOneUserParam(ctx->transform, param[i].name, - string.data) - != 0) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "xsltQuoteOneUserParam(\"%s\", \"%s\") failed", - param[i].name, string.data); - return NGX_ERROR; - } - - continue; - } - - s = ngx_array_push(&ctx->params); - if (s == NULL) { - return NGX_ERROR; - } - - *s = param[i].name; - - s = ngx_array_push(&ctx->params); - if (s == NULL) { - return NGX_ERROR; - } - - *s = string.data; - - continue; - } - - /* - * parse param1=value1:param2=value2 syntax as used by parameters - * specified in xslt_stylesheet directives - */ - - if (param[i].value.lengths) { - p = string.data; - - } else { - p = ngx_pnalloc(r->pool, string.len + 1); - if (p == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(p, string.data, string.len + 1); - } - - last = p + string.len; - - while (p && *p) { - - value = p; - p = (u_char *) ngx_strchr(p, '='); - if (p == NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "invalid libxslt parameter \"%s\"", value); - return NGX_ERROR; - } - *p++ = '\0'; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "xslt filter param name: \"%s\"", value); - - s = ngx_array_push(&ctx->params); - if (s == NULL) { - return NGX_ERROR; - } - - *s = value; - - value = p; - p = (u_char *) ngx_strchr(p, ':'); - - if (p) { - len = p - value; - *p++ = '\0'; - - } else { - len = last - value; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "xslt filter param value: \"%s\"", value); - - dst = value; - src = value; - - ngx_unescape_uri(&dst, &src, len, 0); - - *dst = '\0'; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "xslt filter param unescaped: \"%s\"", value); - - s = ngx_array_push(&ctx->params); - if (s == NULL) { - return NGX_ERROR; - } - - *s = value; - } - } - - if (final) { - s = ngx_array_push(&ctx->params); - if (s == NULL) { - return NGX_ERROR; - } - - *s = NULL; - } - - return NGX_OK; -} - - -static u_char * -ngx_http_xslt_content_type(xsltStylesheetPtr s) -{ - u_char *type; - - if (s->mediaType) { - return s->mediaType; - } - - for (s = s->imports; s; s = s->next) { - - type = ngx_http_xslt_content_type(s); - - if (type) { - return type; - } - } - - return NULL; -} - - -static u_char * -ngx_http_xslt_encoding(xsltStylesheetPtr s) -{ - u_char *encoding; - - if (s->encoding) { - return s->encoding; - } - - for (s = s->imports; s; s = s->next) { - - encoding = ngx_http_xslt_encoding(s); - - if (encoding) { - return encoding; - } - } - - return NULL; -} - - -static void -ngx_http_xslt_cleanup(void *data) -{ - ngx_free(data); -} - - -static char * -ngx_http_xslt_entities(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_xslt_filter_loc_conf_t *xlcf = conf; - - ngx_str_t *value; - ngx_uint_t i; - ngx_pool_cleanup_t *cln; - ngx_http_xslt_file_t *file; - ngx_http_xslt_filter_main_conf_t *xmcf; - - if (xlcf->dtd) { - return "is duplicate"; - } - - value = cf->args->elts; - - xmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_xslt_filter_module); - - file = xmcf->dtd_files.elts; - for (i = 0; i < xmcf->dtd_files.nelts; i++) { - if (ngx_strcmp(file[i].name, value[1].data) == 0) { - xlcf->dtd = file[i].data; - return NGX_CONF_OK; - } - } - - cln = ngx_pool_cleanup_add(cf->pool, 0); - if (cln == NULL) { - return NGX_CONF_ERROR; - } - - xlcf->dtd = xmlParseDTD(NULL, (xmlChar *) value[1].data); - - if (xlcf->dtd == NULL) { - ngx_conf_log_error(NGX_LOG_ERR, cf, 0, "xmlParseDTD() failed"); - return NGX_CONF_ERROR; - } - - cln->handler = ngx_http_xslt_cleanup_dtd; - cln->data = xlcf->dtd; - - file = ngx_array_push(&xmcf->dtd_files); - if (file == NULL) { - return NGX_CONF_ERROR; - } - - file->name = value[1].data; - file->data = xlcf->dtd; - - return NGX_CONF_OK; -} - - - -static char * -ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_xslt_filter_loc_conf_t *xlcf = conf; - - ngx_str_t *value; - ngx_uint_t i, n; - ngx_pool_cleanup_t *cln; - ngx_http_xslt_file_t *file; - ngx_http_xslt_sheet_t *sheet; - ngx_http_xslt_param_t *param; - ngx_http_compile_complex_value_t ccv; - ngx_http_xslt_filter_main_conf_t *xmcf; - - value = cf->args->elts; - - if (xlcf->sheets.elts == NULL) { - if (ngx_array_init(&xlcf->sheets, cf->pool, 1, - sizeof(ngx_http_xslt_sheet_t)) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - } - - sheet = ngx_array_push(&xlcf->sheets); - if (sheet == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(sheet, sizeof(ngx_http_xslt_sheet_t)); - - if (ngx_conf_full_name(cf->cycle, &value[1], 0) != NGX_OK) { - return NGX_CONF_ERROR; - } - - xmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_xslt_filter_module); - - file = xmcf->sheet_files.elts; - for (i = 0; i < xmcf->sheet_files.nelts; i++) { - if (ngx_strcmp(file[i].name, value[1].data) == 0) { - sheet->stylesheet = file[i].data; - goto found; - } - } - - cln = ngx_pool_cleanup_add(cf->pool, 0); - if (cln == NULL) { - return NGX_CONF_ERROR; - } - - sheet->stylesheet = xsltParseStylesheetFile(value[1].data); - if (sheet->stylesheet == NULL) { - ngx_conf_log_error(NGX_LOG_ERR, cf, 0, - "xsltParseStylesheetFile(\"%s\") failed", - value[1].data); - return NGX_CONF_ERROR; - } - - cln->handler = ngx_http_xslt_cleanup_stylesheet; - cln->data = sheet->stylesheet; - - file = ngx_array_push(&xmcf->sheet_files); - if (file == NULL) { - return NGX_CONF_ERROR; - } - - file->name = value[1].data; - file->data = sheet->stylesheet; - -found: - - n = cf->args->nelts; - - if (n == 2) { - return NGX_CONF_OK; - } - - if (ngx_array_init(&sheet->params, cf->pool, n - 2, - sizeof(ngx_http_xslt_param_t)) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - for (i = 2; i < n; i++) { - - param = ngx_array_push(&sheet->params); - if (param == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(param, sizeof(ngx_http_xslt_param_t)); - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[i]; - ccv.complex_value = ¶m->value; - ccv.zero = 1; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_xslt_param(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_xslt_filter_loc_conf_t *xlcf = conf; - - ngx_http_xslt_param_t *param; - ngx_http_compile_complex_value_t ccv; - ngx_str_t *value; - - value = cf->args->elts; - - if (xlcf->params == NULL) { - xlcf->params = ngx_array_create(cf->pool, 2, - sizeof(ngx_http_xslt_param_t)); - if (xlcf->params == NULL) { - return NGX_CONF_ERROR; - } - } - - param = ngx_array_push(xlcf->params); - if (param == NULL) { - return NGX_CONF_ERROR; - } - - param->name = value[1].data; - param->quote = (cmd->post == NULL) ? 0 : 1; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[2]; - ccv.complex_value = ¶m->value; - ccv.zero = 1; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static void -ngx_http_xslt_cleanup_dtd(void *data) -{ - xmlFreeDtd(data); -} - - -static void -ngx_http_xslt_cleanup_stylesheet(void *data) -{ - xsltFreeStylesheet(data); -} - - -static void * -ngx_http_xslt_filter_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_xslt_filter_main_conf_t *conf; - - conf = ngx_palloc(cf->pool, sizeof(ngx_http_xslt_filter_main_conf_t)); - if (conf == NULL) { - return NULL; - } - - if (ngx_array_init(&conf->dtd_files, cf->pool, 1, - sizeof(ngx_http_xslt_file_t)) - != NGX_OK) - { - return NULL; - } - - if (ngx_array_init(&conf->sheet_files, cf->pool, 1, - sizeof(ngx_http_xslt_file_t)) - != NGX_OK) - { - return NULL; - } - - return conf; -} - - -static void * -ngx_http_xslt_filter_create_conf(ngx_conf_t *cf) -{ - ngx_http_xslt_filter_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_xslt_filter_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->dtd = NULL; - * conf->sheets = { NULL }; - * conf->types = { NULL }; - * conf->types_keys = NULL; - * conf->params = NULL; - */ - - conf->last_modified = NGX_CONF_UNSET; - - return conf; -} - - -static char * -ngx_http_xslt_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_xslt_filter_loc_conf_t *prev = parent; - ngx_http_xslt_filter_loc_conf_t *conf = child; - - if (conf->dtd == NULL) { - conf->dtd = prev->dtd; - } - - if (conf->sheets.nelts == 0) { - conf->sheets = prev->sheets; - } - - if (conf->params == NULL) { - conf->params = prev->params; - } - - if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types, - &prev->types_keys, &prev->types, - ngx_http_xslt_default_types) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - ngx_conf_merge_value(conf->last_modified, prev->last_modified, 0); - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_xslt_filter_preconfiguration(ngx_conf_t *cf) -{ - xmlInitParser(); - -#if (NGX_HAVE_EXSLT) - exsltRegisterAll(); -#endif - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_xslt_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_xslt_header_filter; - - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_xslt_body_filter; - - return NGX_OK; -} - - -static void -ngx_http_xslt_filter_exit(ngx_cycle_t *cycle) -{ - xsltCleanupGlobals(); - xmlCleanupParser(); -} diff --git a/nginx/src/http/modules/perl/Makefile.PL b/nginx/src/http/modules/perl/Makefile.PL deleted file mode 100644 index 7edadcb..0000000 --- a/nginx/src/http/modules/perl/Makefile.PL +++ /dev/null @@ -1,35 +0,0 @@ - -# Copyright (C) Igor Sysoev -# Copyright (C) Nginx, Inc. - -use 5.006001; -use ExtUtils::MakeMaker; - -WriteMakefile( - NAME => 'nginx', - VERSION_FROM => 'nginx.pm', # finds $VERSION - PREREQ_PM => {}, # e.g., Module::Name => 1.1 - - ABSTRACT_FROM => 'nginx.pm', # retrieve abstract from module - AUTHOR => 'Igor Sysoev', - - CCFLAGS => "$ENV{NGX_PM_CFLAGS}", - OPTIMIZE => '-O', - - LDDLFLAGS => "$ENV{NGX_PM_LDFLAGS}", - - INC => join(" ", map { - m#^/# ? "-I $_" : "-I ../../../../../$_" - } (split /\s+/, $ENV{NGX_INCS})), - - depend => { - 'nginx.c' => join(" ", map { - m#^/# ? $_ : "../../../../../$_" - } (split(/\s+/, $ENV{NGX_DEPS}), - "src/http/modules/perl/ngx_http_perl_module.h")) - }, - - PM => { - 'nginx.pm' => '$(INST_LIBDIR)/nginx.pm' - } -); diff --git a/nginx/src/http/modules/perl/nginx.pm b/nginx/src/http/modules/perl/nginx.pm deleted file mode 100644 index d4663dc..0000000 --- a/nginx/src/http/modules/perl/nginx.pm +++ /dev/null @@ -1,140 +0,0 @@ -package nginx; - -use 5.006001; -use strict; -use warnings; - -require Exporter; - -our @ISA = qw(Exporter); - -our @EXPORT = qw( - OK - DECLINED - - HTTP_OK - HTTP_CREATED - HTTP_ACCEPTED - HTTP_NO_CONTENT - HTTP_PARTIAL_CONTENT - - HTTP_MOVED_PERMANENTLY - HTTP_MOVED_TEMPORARILY - HTTP_REDIRECT - HTTP_SEE_OTHER - HTTP_NOT_MODIFIED - HTTP_TEMPORARY_REDIRECT - HTTP_PERMANENT_REDIRECT - - HTTP_BAD_REQUEST - HTTP_UNAUTHORIZED - HTTP_PAYMENT_REQUIRED - HTTP_FORBIDDEN - HTTP_NOT_FOUND - HTTP_NOT_ALLOWED - HTTP_NOT_ACCEPTABLE - HTTP_REQUEST_TIME_OUT - HTTP_CONFLICT - HTTP_GONE - HTTP_LENGTH_REQUIRED - HTTP_REQUEST_ENTITY_TOO_LARGE - HTTP_REQUEST_URI_TOO_LARGE - HTTP_UNSUPPORTED_MEDIA_TYPE - HTTP_RANGE_NOT_SATISFIABLE - - HTTP_INTERNAL_SERVER_ERROR - HTTP_SERVER_ERROR - HTTP_NOT_IMPLEMENTED - HTTP_BAD_GATEWAY - HTTP_SERVICE_UNAVAILABLE - HTTP_GATEWAY_TIME_OUT - HTTP_INSUFFICIENT_STORAGE -); - -our $VERSION = '%%VERSION%%'; - -require XSLoader; -XSLoader::load('nginx', $VERSION); - -# Preloaded methods go here. - -use constant OK => 0; -use constant DECLINED => -5; - -use constant HTTP_OK => 200; -use constant HTTP_CREATED => 201; -use constant HTTP_ACCEPTED => 202; -use constant HTTP_NO_CONTENT => 204; -use constant HTTP_PARTIAL_CONTENT => 206; - -use constant HTTP_MOVED_PERMANENTLY => 301; -use constant HTTP_MOVED_TEMPORARILY => 302; -use constant HTTP_REDIRECT => 302; -use constant HTTP_SEE_OTHER => 303; -use constant HTTP_NOT_MODIFIED => 304; -use constant HTTP_TEMPORARY_REDIRECT => 307; -use constant HTTP_PERMANENT_REDIRECT => 308; - -use constant HTTP_BAD_REQUEST => 400; -use constant HTTP_UNAUTHORIZED => 401; -use constant HTTP_PAYMENT_REQUIRED => 402; -use constant HTTP_FORBIDDEN => 403; -use constant HTTP_NOT_FOUND => 404; -use constant HTTP_NOT_ALLOWED => 405; -use constant HTTP_NOT_ACCEPTABLE => 406; -use constant HTTP_REQUEST_TIME_OUT => 408; -use constant HTTP_CONFLICT => 409; -use constant HTTP_GONE => 410; -use constant HTTP_LENGTH_REQUIRED => 411; -use constant HTTP_REQUEST_ENTITY_TOO_LARGE => 413; -use constant HTTP_REQUEST_URI_TOO_LARGE => 414; -use constant HTTP_UNSUPPORTED_MEDIA_TYPE => 415; -use constant HTTP_RANGE_NOT_SATISFIABLE => 416; - -use constant HTTP_INTERNAL_SERVER_ERROR => 500; -use constant HTTP_SERVER_ERROR => 500; -use constant HTTP_NOT_IMPLEMENTED => 501; -use constant HTTP_BAD_GATEWAY => 502; -use constant HTTP_SERVICE_UNAVAILABLE => 503; -use constant HTTP_GATEWAY_TIME_OUT => 504; -use constant HTTP_INSUFFICIENT_STORAGE => 507; - - -sub rflush { - my $r = shift; - - $r->flush; -} - - -1; -__END__ - -=head1 NAME - -nginx - Perl interface to the nginx HTTP server API - -=head1 SYNOPSIS - - use nginx; - -=head1 DESCRIPTION - -This module provides a Perl interface to the nginx HTTP server API. - - -=head1 SEE ALSO - -http://nginx.org/en/docs/http/ngx_http_perl_module.html - -=head1 AUTHOR - -Igor Sysoev - -=head1 COPYRIGHT AND LICENSE - -Copyright (C) Igor Sysoev -Copyright (C) Nginx, Inc. - - -=cut diff --git a/nginx/src/http/modules/perl/nginx.xs b/nginx/src/http/modules/perl/nginx.xs deleted file mode 100644 index ad12632..0000000 --- a/nginx/src/http/modules/perl/nginx.xs +++ /dev/null @@ -1,1041 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#define PERL_NO_GET_CONTEXT - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> -#include <ngx_http_perl_module.h> - -#include "XSUB.h" - - -#define ngx_http_perl_set_request(r) \ - r = INT2PTR(ngx_http_request_t *, SvIV((SV *) SvRV(ST(0)))) - - -#define ngx_http_perl_set_targ(p, len) \ - \ - SvUPGRADE(TARG, SVt_PV); \ - SvPOK_on(TARG); \ - sv_setpvn(TARG, (char *) p, len) - - -static ngx_int_t -ngx_http_perl_sv2str(pTHX_ ngx_http_request_t *r, ngx_str_t *s, SV *sv) -{ - u_char *p; - STRLEN len; - - if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) { - sv = SvRV(sv); - } - - p = (u_char *) SvPV(sv, len); - - s->len = len; - - if (SvREADONLY(sv) && SvPOK(sv)) { - s->data = p; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "perl sv2str: %08XD \"%V\"", sv->sv_flags, s); - - return NGX_OK; - } - - s->data = ngx_pnalloc(r->pool, len); - if (s->data == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(s->data, p, len); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "perl sv2str: %08XD \"%V\"", sv->sv_flags, s); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_perl_output(ngx_http_request_t *r, ngx_buf_t *b) -{ - ngx_chain_t out; -#if (NGX_HTTP_SSI) - ngx_chain_t *cl; - ngx_http_perl_ctx_t *ctx; - - ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); - - if (ctx->ssi) { - cl = ngx_alloc_chain_link(r->pool); - if (cl == NULL) { - return NGX_ERROR; - } - - cl->buf = b; - cl->next = NULL; - *ctx->ssi->last_out = cl; - ctx->ssi->last_out = &cl->next; - - return NGX_OK; - } -#endif - - out.buf = b; - out.next = NULL; - - return ngx_http_output_filter(r, &out); -} - - -MODULE = nginx PACKAGE = nginx - - -PROTOTYPES: DISABLE - - -void -status(r, code) - CODE: - - ngx_http_request_t *r; - - ngx_http_perl_set_request(r); - - r->headers_out.status = SvIV(ST(1)); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "perl status: %d", r->headers_out.status); - - XSRETURN_UNDEF; - - -void -send_http_header(r, ...) - CODE: - - ngx_http_request_t *r; - SV *sv; - - ngx_http_perl_set_request(r); - - if (r->headers_out.status == 0) { - r->headers_out.status = NGX_HTTP_OK; - } - - if (items != 1) { - sv = ST(1); - - if (ngx_http_perl_sv2str(aTHX_ r, &r->headers_out.content_type, sv) - != NGX_OK) - { - XSRETURN_EMPTY; - } - - r->headers_out.content_type_len = r->headers_out.content_type.len; - - } else { - if (ngx_http_set_content_type(r) != NGX_OK) { - XSRETURN_EMPTY; - } - } - - (void) ngx_http_send_header(r); - - -void -header_only(r) - CODE: - - dXSTARG; - ngx_http_request_t *r; - - ngx_http_perl_set_request(r); - - sv_upgrade(TARG, SVt_IV); - sv_setiv(TARG, r->header_only); - - ST(0) = TARG; - - -void -uri(r) - CODE: - - dXSTARG; - ngx_http_request_t *r; - - ngx_http_perl_set_request(r); - ngx_http_perl_set_targ(r->uri.data, r->uri.len); - - ST(0) = TARG; - - -void -args(r) - CODE: - - dXSTARG; - ngx_http_request_t *r; - - ngx_http_perl_set_request(r); - ngx_http_perl_set_targ(r->args.data, r->args.len); - - ST(0) = TARG; - - -void -request_method(r) - CODE: - - dXSTARG; - ngx_http_request_t *r; - - ngx_http_perl_set_request(r); - ngx_http_perl_set_targ(r->method_name.data, r->method_name.len); - - ST(0) = TARG; - - -void -remote_addr(r) - CODE: - - dXSTARG; - ngx_http_request_t *r; - - ngx_http_perl_set_request(r); - ngx_http_perl_set_targ(r->connection->addr_text.data, - r->connection->addr_text.len); - - ST(0) = TARG; - - -void -header_in(r, key) - CODE: - - dXSTARG; - ngx_http_request_t *r; - SV *key; - u_char *p, *lowcase_key, *value, sep; - STRLEN len; - ssize_t size; - ngx_uint_t i, n, hash; - ngx_array_t *a; - ngx_list_part_t *part; - ngx_table_elt_t *h, **ph; - ngx_http_header_t *hh; - ngx_http_core_main_conf_t *cmcf; - - ngx_http_perl_set_request(r); - - key = ST(1); - - if (SvROK(key) && SvTYPE(SvRV(key)) == SVt_PV) { - key = SvRV(key); - } - - p = (u_char *) SvPV(key, len); - - /* look up hashed headers */ - - lowcase_key = ngx_pnalloc(r->pool, len); - if (lowcase_key == NULL) { - XSRETURN_UNDEF; - } - - hash = ngx_hash_strlow(lowcase_key, p, len); - - cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); - - hh = ngx_hash_find(&cmcf->headers_in_hash, hash, lowcase_key, len); - - if (hh) { - - if (hh->offset == offsetof(ngx_http_headers_in_t, cookies)) { - sep = ';'; - goto multi; - } -#if (NGX_HTTP_X_FORWARDED_FOR) - if (hh->offset == offsetof(ngx_http_headers_in_t, x_forwarded_for)) { - sep = ','; - goto multi; - } -#endif - - ph = (ngx_table_elt_t **) ((char *) &r->headers_in + hh->offset); - - if (*ph) { - ngx_http_perl_set_targ((*ph)->value.data, (*ph)->value.len); - - goto done; - } - - XSRETURN_UNDEF; - - multi: - - /* Cookie, X-Forwarded-For */ - - a = (ngx_array_t *) ((char *) &r->headers_in + hh->offset); - - n = a->nelts; - - if (n == 0) { - XSRETURN_UNDEF; - } - - ph = a->elts; - - if (n == 1) { - ngx_http_perl_set_targ((*ph)->value.data, (*ph)->value.len); - - goto done; - } - - size = - (ssize_t) (sizeof("; ") - 1); - - for (i = 0; i < n; i++) { - size += ph[i]->value.len + sizeof("; ") - 1; - } - - value = ngx_pnalloc(r->pool, size); - if (value == NULL) { - XSRETURN_UNDEF; - } - - p = value; - - for (i = 0; /* void */ ; i++) { - p = ngx_copy(p, ph[i]->value.data, ph[i]->value.len); - - if (i == n - 1) { - break; - } - - *p++ = sep; *p++ = ' '; - } - - ngx_http_perl_set_targ(value, size); - - goto done; - } - - /* iterate over all headers */ - - part = &r->headers_in.headers.part; - h = part->elts; - - for (i = 0; /* void */ ; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - h = part->elts; - i = 0; - } - - if (len != h[i].key.len - || ngx_strcasecmp(p, h[i].key.data) != 0) - { - continue; - } - - ngx_http_perl_set_targ(h[i].value.data, h[i].value.len); - - goto done; - } - - XSRETURN_UNDEF; - - done: - - ST(0) = TARG; - - -void -has_request_body(r, next) - CODE: - - dXSTARG; - ngx_http_request_t *r; - ngx_http_perl_ctx_t *ctx; - - ngx_http_perl_set_request(r); - - if (r->headers_in.content_length_n <= 0 && !r->headers_in.chunked) { - XSRETURN_UNDEF; - } - - ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); - ctx->next = SvRV(ST(1)); - - r->request_body_in_single_buf = 1; - r->request_body_in_persistent_file = 1; - r->request_body_in_clean_file = 1; - - if (r->request_body_in_file_only) { - r->request_body_file_log_level = 0; - } - - ngx_http_read_client_request_body(r, ngx_http_perl_handle_request); - - sv_upgrade(TARG, SVt_IV); - sv_setiv(TARG, 1); - - ST(0) = TARG; - - -void -request_body(r) - CODE: - - dXSTARG; - ngx_http_request_t *r; - u_char *p, *data; - size_t len; - ngx_buf_t *buf; - ngx_chain_t *cl; - - ngx_http_perl_set_request(r); - - if (r->request_body == NULL - || r->request_body->temp_file - || r->request_body->bufs == NULL) - { - XSRETURN_UNDEF; - } - - cl = r->request_body->bufs; - buf = cl->buf; - - if (cl->next == NULL) { - len = buf->last - buf->pos; - data = buf->pos; - goto done; - } - - len = buf->last - buf->pos; - cl = cl->next; - - for ( /* void */ ; cl; cl = cl->next) { - buf = cl->buf; - len += buf->last - buf->pos; - } - - p = ngx_pnalloc(r->pool, len); - if (p == NULL) { - XSRETURN_UNDEF; - } - - data = p; - cl = r->request_body->bufs; - - for ( /* void */ ; cl; cl = cl->next) { - buf = cl->buf; - p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); - } - - done: - - if (len == 0) { - XSRETURN_UNDEF; - } - - ngx_http_perl_set_targ(data, len); - - ST(0) = TARG; - - -void -request_body_file(r) - CODE: - - dXSTARG; - ngx_http_request_t *r; - - ngx_http_perl_set_request(r); - - if (r->request_body == NULL || r->request_body->temp_file == NULL) { - XSRETURN_UNDEF; - } - - ngx_http_perl_set_targ(r->request_body->temp_file->file.name.data, - r->request_body->temp_file->file.name.len); - - ST(0) = TARG; - - -void -discard_request_body(r) - CODE: - - ngx_http_request_t *r; - - ngx_http_perl_set_request(r); - - ngx_http_discard_request_body(r); - - -void -header_out(r, key, value) - CODE: - - ngx_http_request_t *r; - SV *key; - SV *value; - ngx_table_elt_t *header; - - ngx_http_perl_set_request(r); - - key = ST(1); - value = ST(2); - - header = ngx_list_push(&r->headers_out.headers); - if (header == NULL) { - XSRETURN_EMPTY; - } - - header->hash = 1; - - if (ngx_http_perl_sv2str(aTHX_ r, &header->key, key) != NGX_OK) { - header->hash = 0; - XSRETURN_EMPTY; - } - - if (ngx_http_perl_sv2str(aTHX_ r, &header->value, value) != NGX_OK) { - header->hash = 0; - XSRETURN_EMPTY; - } - - if (header->key.len == sizeof("Content-Length") - 1 - && ngx_strncasecmp(header->key.data, (u_char *) "Content-Length", - sizeof("Content-Length") - 1) == 0) - { - r->headers_out.content_length_n = (off_t) SvIV(value); - r->headers_out.content_length = header; - } - - if (header->key.len == sizeof("Content-Encoding") - 1 - && ngx_strncasecmp(header->key.data, (u_char *) "Content-Encoding", - sizeof("Content-Encoding") - 1) == 0) - { - r->headers_out.content_encoding = header; - } - - -void -filename(r) - CODE: - - dXSTARG; - size_t root; - ngx_http_request_t *r; - ngx_http_perl_ctx_t *ctx; - - ngx_http_perl_set_request(r); - - ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); - if (ctx->filename.data) { - goto done; - } - - if (ngx_http_map_uri_to_path(r, &ctx->filename, &root, 0) == NULL) { - XSRETURN_UNDEF; - } - - ctx->filename.len--; - sv_setpv(PL_statname, (char *) ctx->filename.data); - - done: - - ngx_http_perl_set_targ(ctx->filename.data, ctx->filename.len); - - ST(0) = TARG; - - -void -print(r, ...) - CODE: - - ngx_http_request_t *r; - SV *sv; - int i; - u_char *p; - size_t size; - STRLEN len; - ngx_buf_t *b; - - ngx_http_perl_set_request(r); - - if (items == 2) { - - /* - * do zero copy for prolate single read-only SV: - * $r->print("some text\n"); - */ - - sv = ST(1); - - if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) { - sv = SvRV(sv); - } - - if (SvREADONLY(sv) && SvPOK(sv)) { - - p = (u_char *) SvPV(sv, len); - - if (len == 0) { - XSRETURN_EMPTY; - } - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - XSRETURN_EMPTY; - } - - b->memory = 1; - b->pos = p; - b->last = p + len; - b->start = p; - b->end = b->last; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "$r->print: read-only SV: %z", len); - - goto out; - } - } - - size = 0; - - for (i = 1; i < items; i++) { - - sv = ST(i); - - if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) { - sv = SvRV(sv); - } - - (void) SvPV(sv, len); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "$r->print: copy SV: %z", len); - - size += len; - } - - if (size == 0) { - XSRETURN_EMPTY; - } - - b = ngx_create_temp_buf(r->pool, size); - if (b == NULL) { - XSRETURN_EMPTY; - } - - for (i = 1; i < items; i++) { - sv = ST(i); - - if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PV) { - sv = SvRV(sv); - } - - p = (u_char *) SvPV(sv, len); - b->last = ngx_cpymem(b->last, p, len); - } - - out: - - (void) ngx_http_perl_output(r, b); - - -void -sendfile(r, filename, offset = -1, bytes = 0) - CODE: - - ngx_http_request_t *r; - char *filename; - off_t offset; - size_t bytes; - ngx_str_t path; - ngx_buf_t *b; - ngx_open_file_info_t of; - ngx_http_core_loc_conf_t *clcf; - - ngx_http_perl_set_request(r); - - filename = SvPV_nolen(ST(1)); - - if (filename == NULL) { - croak("sendfile(): NULL filename"); - } - - offset = items < 3 ? -1 : SvIV(ST(2)); - bytes = items < 4 ? 0 : SvIV(ST(3)); - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - XSRETURN_EMPTY; - } - - b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); - if (b->file == NULL) { - XSRETURN_EMPTY; - } - - path.len = ngx_strlen(filename); - - path.data = ngx_pnalloc(r->pool, path.len + 1); - if (path.data == NULL) { - XSRETURN_EMPTY; - } - - (void) ngx_cpystrn(path.data, (u_char *) filename, path.len + 1); - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - ngx_memzero(&of, sizeof(ngx_open_file_info_t)); - - of.read_ahead = clcf->read_ahead; - of.directio = clcf->directio; - of.valid = clcf->open_file_cache_valid; - of.min_uses = clcf->open_file_cache_min_uses; - of.errors = clcf->open_file_cache_errors; - of.events = clcf->open_file_cache_events; - - if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { - XSRETURN_EMPTY; - } - - if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) - != NGX_OK) - { - if (of.err == 0) { - XSRETURN_EMPTY; - } - - ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, - "%s \"%s\" failed", of.failed, filename); - XSRETURN_EMPTY; - } - - if (offset == -1) { - offset = 0; - } - - if (bytes == 0) { - bytes = of.size - offset; - } - - b->in_file = 1; - - b->file_pos = offset; - b->file_last = offset + bytes; - - b->file->fd = of.fd; - b->file->log = r->connection->log; - b->file->directio = of.is_directio; - - (void) ngx_http_perl_output(r, b); - - -void -flush(r) - CODE: - - ngx_http_request_t *r; - ngx_buf_t *b; - - ngx_http_perl_set_request(r); - - b = ngx_calloc_buf(r->pool); - if (b == NULL) { - XSRETURN_EMPTY; - } - - b->flush = 1; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "$r->flush"); - - (void) ngx_http_perl_output(r, b); - - XSRETURN_EMPTY; - - -void -internal_redirect(r, uri) - CODE: - - ngx_http_request_t *r; - SV *uri; - ngx_uint_t i; - ngx_http_perl_ctx_t *ctx; - - ngx_http_perl_set_request(r); - - uri = ST(1); - - ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); - - if (ngx_http_perl_sv2str(aTHX_ r, &ctx->redirect_uri, uri) != NGX_OK) { - XSRETURN_EMPTY; - } - - for (i = 0; i < ctx->redirect_uri.len; i++) { - if (ctx->redirect_uri.data[i] == '?') { - - ctx->redirect_args.len = ctx->redirect_uri.len - (i + 1); - ctx->redirect_args.data = &ctx->redirect_uri.data[i + 1]; - ctx->redirect_uri.len = i; - - XSRETURN_EMPTY; - } - } - - -void -allow_ranges(r) - CODE: - - ngx_http_request_t *r; - - ngx_http_perl_set_request(r); - - r->allow_ranges = 1; - - -void -unescape(r, text, type = 0) - CODE: - - dXSTARG; - ngx_http_request_t *r; - SV *text; - int type; - u_char *p, *dst, *src; - STRLEN len; - - ngx_http_perl_set_request(r); - - text = ST(1); - - src = (u_char *) SvPV(text, len); - - p = ngx_pnalloc(r->pool, len + 1); - if (p == NULL) { - XSRETURN_UNDEF; - } - - dst = p; - - type = items < 3 ? 0 : SvIV(ST(2)); - - ngx_unescape_uri(&dst, &src, len, (ngx_uint_t) type); - *dst = '\0'; - - ngx_http_perl_set_targ(p, dst - p); - - ST(0) = TARG; - - -void -variable(r, name, value = NULL) - CODE: - - dXSTARG; - ngx_http_request_t *r; - SV *name, *value; - u_char *p, *lowcase; - STRLEN len; - ngx_str_t var, val; - ngx_uint_t i, hash; - ngx_http_perl_var_t *v; - ngx_http_perl_ctx_t *ctx; - ngx_http_variable_value_t *vv; - - ngx_http_perl_set_request(r); - - name = ST(1); - - if (SvROK(name) && SvTYPE(SvRV(name)) == SVt_PV) { - name = SvRV(name); - } - - if (items == 2) { - value = NULL; - - } else { - value = ST(2); - - if (SvROK(value) && SvTYPE(SvRV(value)) == SVt_PV) { - value = SvRV(value); - } - - if (ngx_http_perl_sv2str(aTHX_ r, &val, value) != NGX_OK) { - XSRETURN_UNDEF; - } - } - - p = (u_char *) SvPV(name, len); - - lowcase = ngx_pnalloc(r->pool, len); - if (lowcase == NULL) { - XSRETURN_UNDEF; - } - - hash = ngx_hash_strlow(lowcase, p, len); - - var.len = len; - var.data = lowcase; -#if (NGX_DEBUG) - - if (value) { - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "perl variable: \"%V\"=\"%V\"", &var, &val); - } else { - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "perl variable: \"%V\"", &var); - } -#endif - - vv = ngx_http_get_variable(r, &var, hash); - if (vv == NULL) { - XSRETURN_UNDEF; - } - - if (vv->not_found) { - - ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); - - if (ctx->variables) { - - v = ctx->variables->elts; - for (i = 0; i < ctx->variables->nelts; i++) { - - if (hash != v[i].hash - || len != v[i].name.len - || ngx_strncmp(lowcase, v[i].name.data, len) != 0) - { - continue; - } - - if (value) { - v[i].value = val; - XSRETURN_UNDEF; - } - - ngx_http_perl_set_targ(v[i].value.data, v[i].value.len); - - goto done; - } - } - - if (value) { - if (ctx->variables == NULL) { - ctx->variables = ngx_array_create(r->pool, 1, - sizeof(ngx_http_perl_var_t)); - if (ctx->variables == NULL) { - XSRETURN_UNDEF; - } - } - - v = ngx_array_push(ctx->variables); - if (v == NULL) { - XSRETURN_UNDEF; - } - - v->hash = hash; - v->name.len = len; - v->name.data = lowcase; - v->value = val; - - XSRETURN_UNDEF; - } - - XSRETURN_UNDEF; - } - - if (value) { - vv->len = val.len; - vv->valid = 1; - vv->no_cacheable = 0; - vv->not_found = 0; - vv->data = val.data; - - XSRETURN_UNDEF; - } - - ngx_http_perl_set_targ(vv->data, vv->len); - - done: - - ST(0) = TARG; - - -void -sleep(r, sleep, next) - CODE: - - ngx_http_request_t *r; - ngx_msec_t sleep; - ngx_http_perl_ctx_t *ctx; - - ngx_http_perl_set_request(r); - - sleep = (ngx_msec_t) SvIV(ST(1)); - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "perl sleep: %M", sleep); - - ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); - - ctx->next = SvRV(ST(2)); - - r->connection->write->delayed = 1; - ngx_add_timer(r->connection->write, sleep); - - r->write_event_handler = ngx_http_perl_sleep_handler; - r->main->count++; - - -void -log_error(r, err, msg) - CODE: - - ngx_http_request_t *r; - SV *err, *msg; - u_char *p; - STRLEN len; - ngx_err_t e; - - ngx_http_perl_set_request(r); - - err = ST(1); - - if (SvROK(err) && SvTYPE(SvRV(err)) == SVt_PV) { - err = SvRV(err); - } - - e = SvIV(err); - - msg = ST(2); - - if (SvROK(msg) && SvTYPE(SvRV(msg)) == SVt_PV) { - msg = SvRV(msg); - } - - p = (u_char *) SvPV(msg, len); - - ngx_log_error(NGX_LOG_ERR, r->connection->log, e, "perl: %s", p); diff --git a/nginx/src/http/modules/perl/ngx_http_perl_module.c b/nginx/src/http/modules/perl/ngx_http_perl_module.c deleted file mode 100644 index 6d3be91..0000000 --- a/nginx/src/http/modules/perl/ngx_http_perl_module.c +++ /dev/null @@ -1,1086 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> -#include <ngx_http_perl_module.h> - - -typedef struct { - PerlInterpreter *perl; - HV *nginx; - ngx_array_t *modules; - ngx_array_t *requires; -} ngx_http_perl_main_conf_t; - - -typedef struct { - SV *sub; - ngx_str_t handler; -} ngx_http_perl_loc_conf_t; - - -typedef struct { - SV *sub; - ngx_str_t handler; -} ngx_http_perl_variable_t; - - -#if (NGX_HTTP_SSI) -static ngx_int_t ngx_http_perl_ssi(ngx_http_request_t *r, - ngx_http_ssi_ctx_t *ssi_ctx, ngx_str_t **params); -#endif - -static char *ngx_http_perl_init_interpreter(ngx_conf_t *cf, - ngx_http_perl_main_conf_t *pmcf); -static PerlInterpreter *ngx_http_perl_create_interpreter(ngx_conf_t *cf, - ngx_http_perl_main_conf_t *pmcf); -static ngx_int_t ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, - ngx_log_t *log); -static ngx_int_t ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, - HV *nginx, SV *sub, SV **args, ngx_str_t *handler, ngx_str_t *rv); -static void ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv); - -static ngx_int_t ngx_http_perl_preconfiguration(ngx_conf_t *cf); -static void *ngx_http_perl_create_main_conf(ngx_conf_t *cf); -static char *ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf); -static void *ngx_http_perl_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, - void *child); -static char *ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); -static char *ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); - -#if (NGX_HAVE_PERL_MULTIPLICITY) -static void ngx_http_perl_cleanup_perl(void *data); -#endif - -static ngx_int_t ngx_http_perl_init_worker(ngx_cycle_t *cycle); -static void ngx_http_perl_exit(ngx_cycle_t *cycle); - - -static ngx_command_t ngx_http_perl_commands[] = { - - { ngx_string("perl_modules"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_perl_main_conf_t, modules), - NULL }, - - { ngx_string("perl_require"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_perl_main_conf_t, requires), - NULL }, - - { ngx_string("perl"), - NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_TAKE1, - ngx_http_perl, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("perl_set"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE2, - ngx_http_perl_set, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_perl_module_ctx = { - ngx_http_perl_preconfiguration, /* preconfiguration */ - NULL, /* postconfiguration */ - - ngx_http_perl_create_main_conf, /* create main configuration */ - ngx_http_perl_init_main_conf, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_perl_create_loc_conf, /* create location configuration */ - ngx_http_perl_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_perl_module = { - NGX_MODULE_V1, - &ngx_http_perl_module_ctx, /* module context */ - ngx_http_perl_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - ngx_http_perl_init_worker, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - ngx_http_perl_exit, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -#if (NGX_HTTP_SSI) - -#define NGX_HTTP_PERL_SSI_SUB 0 -#define NGX_HTTP_PERL_SSI_ARG 1 - - -static ngx_http_ssi_param_t ngx_http_perl_ssi_params[] = { - { ngx_string("sub"), NGX_HTTP_PERL_SSI_SUB, 1, 0 }, - { ngx_string("arg"), NGX_HTTP_PERL_SSI_ARG, 0, 1 }, - { ngx_null_string, 0, 0, 0 } -}; - -static ngx_http_ssi_command_t ngx_http_perl_ssi_command = { - ngx_string("perl"), ngx_http_perl_ssi, ngx_http_perl_ssi_params, 0, 0, 1 -}; - -#endif - - -static ngx_str_t ngx_null_name = ngx_null_string; -static HV *nginx_stash; - -#if (NGX_HAVE_PERL_MULTIPLICITY) -static ngx_uint_t ngx_perl_term; -#else -static PerlInterpreter *perl; -#endif - - -static void -ngx_http_perl_xs_init(pTHX) -{ - newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__); - - nginx_stash = gv_stashpv("nginx", TRUE); -} - - -static ngx_int_t -ngx_http_perl_handler(ngx_http_request_t *r) -{ - r->main->count++; - - ngx_http_perl_handle_request(r); - - return NGX_DONE; -} - - -void -ngx_http_perl_handle_request(ngx_http_request_t *r) -{ - SV *sub; - ngx_int_t rc; - ngx_str_t uri, args, *handler; - ngx_http_perl_ctx_t *ctx; - ngx_http_perl_loc_conf_t *plcf; - ngx_http_perl_main_conf_t *pmcf; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl handler"); - - ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); - - if (ctx == NULL) { - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); - if (ctx == NULL) { - ngx_http_finalize_request(r, NGX_ERROR); - return; - } - - ngx_http_set_ctx(r, ctx, ngx_http_perl_module); - } - - pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); - - { - - dTHXa(pmcf->perl); - PERL_SET_CONTEXT(pmcf->perl); - PERL_SET_INTERP(pmcf->perl); - - if (ctx->next == NULL) { - plcf = ngx_http_get_module_loc_conf(r, ngx_http_perl_module); - sub = plcf->sub; - handler = &plcf->handler; - - } else { - sub = ctx->next; - handler = &ngx_null_name; - ctx->next = NULL; - } - - rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sub, NULL, handler, - NULL); - - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "perl handler done: %i", rc); - - if (rc == NGX_DONE) { - ngx_http_finalize_request(r, rc); - return; - } - - if (rc > 600) { - rc = NGX_OK; - } - - if (ctx->redirect_uri.len) { - uri = ctx->redirect_uri; - args = ctx->redirect_args; - - } else { - uri.len = 0; - } - - ctx->filename.data = NULL; - ctx->redirect_uri.len = 0; - - if (ctx->done || ctx->next) { - ngx_http_finalize_request(r, NGX_DONE); - return; - } - - if (uri.len) { - ngx_http_internal_redirect(r, &uri, &args); - ngx_http_finalize_request(r, NGX_DONE); - return; - } - - if (rc == NGX_OK || rc == NGX_HTTP_OK) { - ngx_http_send_special(r, NGX_HTTP_LAST); - ctx->done = 1; - } - - ngx_http_finalize_request(r, rc); -} - - -void -ngx_http_perl_sleep_handler(ngx_http_request_t *r) -{ - ngx_event_t *wev; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "perl sleep handler"); - - wev = r->connection->write; - - if (wev->delayed) { - - if (ngx_handle_write_event(wev, 0) != NGX_OK) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - } - - return; - } - - ngx_http_perl_handle_request(r); -} - - -static ngx_int_t -ngx_http_perl_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - ngx_http_perl_variable_t *pv = (ngx_http_perl_variable_t *) data; - - ngx_int_t rc; - ngx_str_t value; - ngx_http_perl_ctx_t *ctx; - ngx_http_perl_main_conf_t *pmcf; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "perl variable handler"); - - ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); - - if (ctx == NULL) { - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_perl_module); - } - - pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); - - value.data = NULL; - - { - - dTHXa(pmcf->perl); - PERL_SET_CONTEXT(pmcf->perl); - PERL_SET_INTERP(pmcf->perl); - - rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, pv->sub, NULL, - &pv->handler, &value); - - } - - if (value.data) { - v->len = value.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = value.data; - - } else { - v->not_found = 1; - } - - ctx->filename.data = NULL; - ctx->redirect_uri.len = 0; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "perl variable done"); - - return rc; -} - - -#if (NGX_HTTP_SSI) - -static ngx_int_t -ngx_http_perl_ssi(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ssi_ctx, - ngx_str_t **params) -{ - SV *sv, **asv; - ngx_int_t rc; - ngx_str_t *handler, **args; - ngx_uint_t i; - ngx_http_perl_ctx_t *ctx; - ngx_http_perl_main_conf_t *pmcf; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "perl ssi handler"); - - ctx = ngx_http_get_module_ctx(r, ngx_http_perl_module); - - if (ctx == NULL) { - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_perl_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_perl_module); - } - - pmcf = ngx_http_get_module_main_conf(r, ngx_http_perl_module); - - ctx->ssi = ssi_ctx; - - handler = params[NGX_HTTP_PERL_SSI_SUB]; - handler->data[handler->len] = '\0'; - - { - - dTHXa(pmcf->perl); - PERL_SET_CONTEXT(pmcf->perl); - PERL_SET_INTERP(pmcf->perl); - -#if 0 - - /* the code is disabled to force the precompiled perl code using only */ - - ngx_http_perl_eval_anon_sub(aTHX_ handler, &sv); - - if (sv == &PL_sv_undef) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "eval_pv(\"%V\") failed", handler); - return NGX_ERROR; - } - - if (sv == NULL) { - sv = newSVpvn((char *) handler->data, handler->len); - } - -#endif - - sv = newSVpvn((char *) handler->data, handler->len); - - args = ¶ms[NGX_HTTP_PERL_SSI_ARG]; - - if (args[0]) { - - for (i = 0; args[i]; i++) { /* void */ } - - asv = ngx_pcalloc(r->pool, (i + 1) * sizeof(SV *)); - - if (asv == NULL) { - SvREFCNT_dec(sv); - return NGX_ERROR; - } - - asv[0] = (SV *) (uintptr_t) i; - - for (i = 0; args[i]; i++) { - asv[i + 1] = newSVpvn((char *) args[i]->data, args[i]->len); - } - - } else { - asv = NULL; - } - - rc = ngx_http_perl_call_handler(aTHX_ r, pmcf->nginx, sv, asv, handler, - NULL); - - SvREFCNT_dec(sv); - - } - - ctx->filename.data = NULL; - ctx->redirect_uri.len = 0; - ctx->ssi = NULL; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "perl ssi done"); - - return rc; -} - -#endif - - -static char * -ngx_http_perl_init_interpreter(ngx_conf_t *cf, ngx_http_perl_main_conf_t *pmcf) -{ - ngx_str_t *m; - ngx_uint_t i; -#if (NGX_HAVE_PERL_MULTIPLICITY) - ngx_pool_cleanup_t *cln; - - cln = ngx_pool_cleanup_add(cf->pool, 0); - if (cln == NULL) { - return NGX_CONF_ERROR; - } - -#endif - -#ifdef NGX_PERL_MODULES - if (pmcf->modules == NGX_CONF_UNSET_PTR) { - - pmcf->modules = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t)); - if (pmcf->modules == NULL) { - return NGX_CONF_ERROR; - } - - m = ngx_array_push(pmcf->modules); - if (m == NULL) { - return NGX_CONF_ERROR; - } - - ngx_str_set(m, NGX_PERL_MODULES); - } -#endif - - if (pmcf->modules != NGX_CONF_UNSET_PTR) { - m = pmcf->modules->elts; - for (i = 0; i < pmcf->modules->nelts; i++) { - if (ngx_conf_full_name(cf->cycle, &m[i], 0) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - } - -#if !(NGX_HAVE_PERL_MULTIPLICITY) - - if (perl) { - - if (ngx_set_environment(cf->cycle, NULL) == NULL) { - return NGX_CONF_ERROR; - } - - if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - pmcf->perl = perl; - pmcf->nginx = nginx_stash; - - return NGX_CONF_OK; - } - -#endif - - if (nginx_stash == NULL) { - PERL_SYS_INIT(&ngx_argc, &ngx_argv); - } - - pmcf->perl = ngx_http_perl_create_interpreter(cf, pmcf); - - if (pmcf->perl == NULL) { - return NGX_CONF_ERROR; - } - - pmcf->nginx = nginx_stash; - -#if (NGX_HAVE_PERL_MULTIPLICITY) - - cln->handler = ngx_http_perl_cleanup_perl; - cln->data = pmcf->perl; - -#else - - perl = pmcf->perl; - -#endif - - return NGX_CONF_OK; -} - - -static PerlInterpreter * -ngx_http_perl_create_interpreter(ngx_conf_t *cf, - ngx_http_perl_main_conf_t *pmcf) -{ - int n; - STRLEN len; - SV *sv; - char *ver, **embedding; - ngx_str_t *m; - ngx_uint_t i; - PerlInterpreter *perl; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cf->log, 0, "create perl interpreter"); - - if (ngx_set_environment(cf->cycle, NULL) == NULL) { - return NULL; - } - - perl = perl_alloc(); - if (perl == NULL) { - ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_alloc() failed"); - return NULL; - } - - { - - dTHXa(perl); - PERL_SET_CONTEXT(perl); - PERL_SET_INTERP(perl); - - perl_construct(perl); - -#ifdef PERL_EXIT_DESTRUCT_END - PL_exit_flags |= PERL_EXIT_DESTRUCT_END; -#endif - - n = (pmcf->modules != NGX_CONF_UNSET_PTR) ? pmcf->modules->nelts * 2 : 0; - - embedding = ngx_palloc(cf->pool, (5 + n) * sizeof(char *)); - if (embedding == NULL) { - goto fail; - } - - embedding[0] = ""; - - if (n++) { - m = pmcf->modules->elts; - for (i = 0; i < pmcf->modules->nelts; i++) { - embedding[2 * i + 1] = "-I"; - embedding[2 * i + 2] = (char *) m[i].data; - } - } - - embedding[n++] = "-Mnginx"; - embedding[n++] = "-e"; - embedding[n++] = "0"; - embedding[n] = NULL; - - n = perl_parse(perl, ngx_http_perl_xs_init, n, embedding, NULL); - - if (n != 0) { - ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "perl_parse() failed: %d", n); - goto fail; - } - - sv = get_sv("nginx::VERSION", FALSE); - ver = SvPV(sv, len); - - if (ngx_strcmp(ver, NGINX_VERSION) != 0) { - ngx_log_error(NGX_LOG_ALERT, cf->log, 0, - "version " NGINX_VERSION " of nginx.pm is required, " - "but %s was found", ver); - goto fail; - } - - if (ngx_http_perl_run_requires(aTHX_ pmcf->requires, cf->log) != NGX_OK) { - goto fail; - } - - } - - return perl; - -fail: - - (void) perl_destruct(perl); - - perl_free(perl); - - return NULL; -} - - -static ngx_int_t -ngx_http_perl_run_requires(pTHX_ ngx_array_t *requires, ngx_log_t *log) -{ - u_char *err; - STRLEN len; - ngx_str_t *script; - ngx_uint_t i; - - if (requires == NGX_CONF_UNSET_PTR) { - return NGX_OK; - } - - script = requires->elts; - for (i = 0; i < requires->nelts; i++) { - - require_pv((char *) script[i].data); - - if (SvTRUE(ERRSV)) { - - err = (u_char *) SvPV(ERRSV, len); - while (--len && (err[len] == CR || err[len] == LF)) { /* void */ } - - ngx_log_error(NGX_LOG_EMERG, log, 0, - "require_pv(\"%s\") failed: \"%*s\"", - script[i].data, len + 1, err); - - return NGX_ERROR; - } - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r, HV *nginx, SV *sub, - SV **args, ngx_str_t *handler, ngx_str_t *rv) -{ - SV *sv; - int n, status; - char *line; - u_char *err; - STRLEN len, n_a; - ngx_uint_t i; - ngx_connection_t *c; - - dSP; - - status = 0; - - ENTER; - SAVETMPS; - - PUSHMARK(sp); - - sv = sv_2mortal(sv_bless(newRV_noinc(newSViv(PTR2IV(r))), nginx)); - XPUSHs(sv); - - if (args) { - EXTEND(sp, (intptr_t) args[0]); - - for (i = 1; i <= (uintptr_t) args[0]; i++) { - PUSHs(sv_2mortal(args[i])); - } - } - - PUTBACK; - - c = r->connection; - - n = call_sv(sub, G_EVAL); - - SPAGAIN; - - if (n) { - if (rv == NULL) { - status = POPi; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, - "call_sv: %d", status); - - } else { - line = SvPVx(POPs, n_a); - rv->len = n_a; - - rv->data = ngx_pnalloc(r->pool, n_a); - if (rv->data == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(rv->data, line, n_a); - } - } - - PUTBACK; - - FREETMPS; - LEAVE; - - /* check $@ */ - - if (SvTRUE(ERRSV)) { - - err = (u_char *) SvPV(ERRSV, len); - while (--len && (err[len] == CR || err[len] == LF)) { /* void */ } - - ngx_log_error(NGX_LOG_ERR, c->log, 0, - "call_sv(\"%V\") failed: \"%*s\"", handler, len + 1, err); - - if (rv) { - return NGX_ERROR; - } - - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (n != 1) { - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "call_sv(\"%V\") returned %d results", handler, n); - status = NGX_OK; - } - - if (rv) { - return NGX_OK; - } - - return (ngx_int_t) status; -} - - -static void -ngx_http_perl_eval_anon_sub(pTHX_ ngx_str_t *handler, SV **sv) -{ - u_char *p; - - for (p = handler->data; *p; p++) { - if (*p != ' ' && *p != '\t' && *p != CR && *p != LF) { - break; - } - } - - if (ngx_strncmp(p, "sub ", 4) == 0 - || ngx_strncmp(p, "sub{", 4) == 0 - || ngx_strncmp(p, "use ", 4) == 0) - { - *sv = eval_pv((char *) p, FALSE); - - /* eval_pv() does not set ERRSV on failure */ - - return; - } - - *sv = NULL; -} - - -static void * -ngx_http_perl_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_perl_main_conf_t *pmcf; - - pmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_main_conf_t)); - if (pmcf == NULL) { - return NULL; - } - - pmcf->modules = NGX_CONF_UNSET_PTR; - pmcf->requires = NGX_CONF_UNSET_PTR; - - return pmcf; -} - - -static char * -ngx_http_perl_init_main_conf(ngx_conf_t *cf, void *conf) -{ - ngx_http_perl_main_conf_t *pmcf = conf; - - if (pmcf->perl == NULL) { - if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { - return NGX_CONF_ERROR; - } - } - - return NGX_CONF_OK; -} - - -#if (NGX_HAVE_PERL_MULTIPLICITY) - -static void -ngx_http_perl_cleanup_perl(void *data) -{ - PerlInterpreter *perl = data; - - PERL_SET_CONTEXT(perl); - PERL_SET_INTERP(perl); - - (void) perl_destruct(perl); - - perl_free(perl); - - if (ngx_perl_term) { - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ngx_cycle->log, 0, "perl term"); - - PERL_SYS_TERM(); - } -} - -#endif - - -static ngx_int_t -ngx_http_perl_preconfiguration(ngx_conf_t *cf) -{ -#if (NGX_HTTP_SSI) - ngx_int_t rc; - ngx_http_ssi_main_conf_t *smcf; - - smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module); - - rc = ngx_hash_add_key(&smcf->commands, &ngx_http_perl_ssi_command.name, - &ngx_http_perl_ssi_command, NGX_HASH_READONLY_KEY); - - if (rc != NGX_OK) { - if (rc == NGX_BUSY) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "conflicting SSI command \"%V\"", - &ngx_http_perl_ssi_command.name); - } - - return NGX_ERROR; - } -#endif - - return NGX_OK; -} - - -static void * -ngx_http_perl_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_perl_loc_conf_t *plcf; - - plcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_perl_loc_conf_t)); - if (plcf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * plcf->handler = { 0, NULL }; - */ - - return plcf; -} - - -static char * -ngx_http_perl_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_perl_loc_conf_t *prev = parent; - ngx_http_perl_loc_conf_t *conf = child; - - if (conf->sub == NULL) { - conf->sub = prev->sub; - conf->handler = prev->handler; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_perl(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_perl_loc_conf_t *plcf = conf; - - ngx_str_t *value; - ngx_http_core_loc_conf_t *clcf; - ngx_http_perl_main_conf_t *pmcf; - - value = cf->args->elts; - - if (plcf->handler.data) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "duplicate perl handler \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); - - if (pmcf->perl == NULL) { - if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { - return NGX_CONF_ERROR; - } - } - - plcf->handler = value[1]; - - { - - dTHXa(pmcf->perl); - PERL_SET_CONTEXT(pmcf->perl); - PERL_SET_INTERP(pmcf->perl); - - ngx_http_perl_eval_anon_sub(aTHX_ &value[1], &plcf->sub); - - if (plcf->sub == &PL_sv_undef) { - ngx_conf_log_error(NGX_LOG_ERR, cf, 0, - "eval_pv(\"%V\") failed", &value[1]); - return NGX_CONF_ERROR; - } - - if (plcf->sub == NULL) { - plcf->sub = newSVpvn((char *) value[1].data, value[1].len); - } - - } - - clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); - clcf->handler = ngx_http_perl_handler; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_perl_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_int_t index; - ngx_str_t *value; - ngx_http_variable_t *v; - ngx_http_perl_variable_t *pv; - ngx_http_perl_main_conf_t *pmcf; - - value = cf->args->elts; - - if (value[1].data[0] != '$') { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid variable name \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - value[1].len--; - value[1].data++; - - v = ngx_http_add_variable(cf, &value[1], NGX_HTTP_VAR_CHANGEABLE); - if (v == NULL) { - return NGX_CONF_ERROR; - } - - pv = ngx_palloc(cf->pool, sizeof(ngx_http_perl_variable_t)); - if (pv == NULL) { - return NGX_CONF_ERROR; - } - - index = ngx_http_get_variable_index(cf, &value[1]); - if (index == NGX_ERROR) { - return NGX_CONF_ERROR; - } - - pmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_perl_module); - - if (pmcf->perl == NULL) { - if (ngx_http_perl_init_interpreter(cf, pmcf) != NGX_CONF_OK) { - return NGX_CONF_ERROR; - } - } - - pv->handler = value[2]; - - { - - dTHXa(pmcf->perl); - PERL_SET_CONTEXT(pmcf->perl); - PERL_SET_INTERP(pmcf->perl); - - ngx_http_perl_eval_anon_sub(aTHX_ &value[2], &pv->sub); - - if (pv->sub == &PL_sv_undef) { - ngx_conf_log_error(NGX_LOG_ERR, cf, 0, - "eval_pv(\"%V\") failed", &value[2]); - return NGX_CONF_ERROR; - } - - if (pv->sub == NULL) { - pv->sub = newSVpvn((char *) value[2].data, value[2].len); - } - - } - - v->get_handler = ngx_http_perl_variable; - v->data = (uintptr_t) pv; - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_perl_init_worker(ngx_cycle_t *cycle) -{ - ngx_http_perl_main_conf_t *pmcf; - - pmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_perl_module); - - if (pmcf) { - dTHXa(pmcf->perl); - PERL_SET_CONTEXT(pmcf->perl); - PERL_SET_INTERP(pmcf->perl); - - /* set worker's $$ */ - - sv_setiv(GvSV(gv_fetchpv("$", TRUE, SVt_PV)), (I32) ngx_pid); - } - - return NGX_OK; -} - - -static void -ngx_http_perl_exit(ngx_cycle_t *cycle) -{ -#if (NGX_HAVE_PERL_MULTIPLICITY) - - /* - * the master exit hook is run before global pool cleanup, - * therefore just set flag here - */ - - ngx_perl_term = 1; - -#else - - if (nginx_stash) { - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, cycle->log, 0, "perl term"); - - (void) perl_destruct(perl); - - perl_free(perl); - - PERL_SYS_TERM(); - } - -#endif -} diff --git a/nginx/src/http/modules/perl/ngx_http_perl_module.h b/nginx/src/http/modules/perl/ngx_http_perl_module.h deleted file mode 100644 index 5e60b03..0000000 --- a/nginx/src/http/modules/perl/ngx_http_perl_module.h +++ /dev/null @@ -1,67 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#ifndef _NGX_HTTP_PERL_MODULE_H_INCLUDED_ -#define _NGX_HTTP_PERL_MODULE_H_INCLUDED_ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> -#include <nginx.h> - -#include <EXTERN.h> -#include <perl.h> - - -typedef ngx_http_request_t *nginx; - -typedef struct { - ngx_str_t filename; - ngx_str_t redirect_uri; - ngx_str_t redirect_args; - - SV *next; - - ngx_uint_t done; /* unsigned done:1; */ - - ngx_array_t *variables; /* array of ngx_http_perl_var_t */ - -#if (NGX_HTTP_SSI) - ngx_http_ssi_ctx_t *ssi; -#endif -} ngx_http_perl_ctx_t; - - -typedef struct { - ngx_uint_t hash; - ngx_str_t name; - ngx_str_t value; -} ngx_http_perl_var_t; - - -extern ngx_module_t ngx_http_perl_module; - - -/* - * workaround for "unused variable `Perl___notused'" warning - * when building with perl 5.6.1 - */ -#ifndef PERL_IMPLICIT_CONTEXT -#undef dTHXa -#define dTHXa(a) -#endif - - -extern void boot_DynaLoader(pTHX_ CV* cv); - - -void ngx_http_perl_handle_request(ngx_http_request_t *r); -void ngx_http_perl_sleep_handler(ngx_http_request_t *r); - - -#endif /* _NGX_HTTP_PERL_MODULE_H_INCLUDED_ */ diff --git a/nginx/src/http/modules/perl/typemap b/nginx/src/http/modules/perl/typemap deleted file mode 100644 index e2f1a4c..0000000 --- a/nginx/src/http/modules/perl/typemap +++ /dev/null @@ -1,3 +0,0 @@ -TYPEMAP - -nginx T_PTROBJ |