diff options
Diffstat (limited to 'app/nginx/src/http/modules/ngx_http_userid_filter_module.c')
| -rw-r--r-- | app/nginx/src/http/modules/ngx_http_userid_filter_module.c | 842 |
1 files changed, 0 insertions, 842 deletions
diff --git a/app/nginx/src/http/modules/ngx_http_userid_filter_module.c b/app/nginx/src/http/modules/ngx_http_userid_filter_module.c deleted file mode 100644 index 0dbacba..0000000 --- a/app/nginx/src/http/modules/ngx_http_userid_filter_module.c +++ /dev/null @@ -1,842 +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->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; -} |