diff options
Diffstat (limited to 'app/nginx/src/http/ngx_http_core_module.c')
| -rw-r--r-- | app/nginx/src/http/ngx_http_core_module.c | 5359 |
1 files changed, 0 insertions, 5359 deletions
diff --git a/app/nginx/src/http/ngx_http_core_module.c b/app/nginx/src/http/ngx_http_core_module.c deleted file mode 100644 index 292671d..0000000 --- a/app/nginx/src/http/ngx_http_core_module.c +++ /dev/null @@ -1,5359 +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 *name; - uint32_t method; -} ngx_http_method_name_t; - - -#define NGX_HTTP_REQUEST_BODY_FILE_OFF 0 -#define NGX_HTTP_REQUEST_BODY_FILE_ON 1 -#define NGX_HTTP_REQUEST_BODY_FILE_CLEAN 2 - - -static ngx_int_t ngx_http_core_find_location(ngx_http_request_t *r); -static ngx_int_t ngx_http_core_find_static_location(ngx_http_request_t *r, - ngx_http_location_tree_node_t *node); - -static ngx_int_t ngx_http_core_preconfiguration(ngx_conf_t *cf); -static ngx_int_t ngx_http_core_postconfiguration(ngx_conf_t *cf); -static void *ngx_http_core_create_main_conf(ngx_conf_t *cf); -static char *ngx_http_core_init_main_conf(ngx_conf_t *cf, void *conf); -static void *ngx_http_core_create_srv_conf(ngx_conf_t *cf); -static char *ngx_http_core_merge_srv_conf(ngx_conf_t *cf, - void *parent, void *child); -static void *ngx_http_core_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_core_merge_loc_conf(ngx_conf_t *cf, - void *parent, void *child); - -static char *ngx_http_core_server(ngx_conf_t *cf, ngx_command_t *cmd, - void *dummy); -static char *ngx_http_core_location(ngx_conf_t *cf, ngx_command_t *cmd, - void *dummy); -static ngx_int_t ngx_http_core_regex_location(ngx_conf_t *cf, - ngx_http_core_loc_conf_t *clcf, ngx_str_t *regex, ngx_uint_t caseless); - -static char *ngx_http_core_types(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_core_type(ngx_conf_t *cf, ngx_command_t *dummy, - void *conf); - -static char *ngx_http_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_core_server_name(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_core_root(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); -static char *ngx_http_core_limit_except(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_core_set_aio(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_core_directio(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_core_error_page(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_core_try_files(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_core_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_core_keepalive(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_core_internal(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_http_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -#if (NGX_HTTP_GZIP) -static ngx_int_t ngx_http_gzip_accept_encoding(ngx_str_t *ae); -static ngx_uint_t ngx_http_gzip_quantity(u_char *p, u_char *last); -static char *ngx_http_gzip_disable(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -#endif -static ngx_int_t ngx_http_get_forwarded_addr_internal(ngx_http_request_t *r, - ngx_addr_t *addr, u_char *xff, size_t xfflen, ngx_array_t *proxies, - int recursive); -#if (NGX_HAVE_OPENAT) -static char *ngx_http_disable_symlinks(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -#endif - -static char *ngx_http_core_lowat_check(ngx_conf_t *cf, void *post, void *data); -static char *ngx_http_core_pool_size(ngx_conf_t *cf, void *post, void *data); - -static ngx_conf_post_t ngx_http_core_lowat_post = - { ngx_http_core_lowat_check }; - -static ngx_conf_post_handler_pt ngx_http_core_pool_size_p = - ngx_http_core_pool_size; - - -static ngx_conf_enum_t ngx_http_core_request_body_in_file[] = { - { ngx_string("off"), NGX_HTTP_REQUEST_BODY_FILE_OFF }, - { ngx_string("on"), NGX_HTTP_REQUEST_BODY_FILE_ON }, - { ngx_string("clean"), NGX_HTTP_REQUEST_BODY_FILE_CLEAN }, - { ngx_null_string, 0 } -}; - - -static ngx_conf_enum_t ngx_http_core_satisfy[] = { - { ngx_string("all"), NGX_HTTP_SATISFY_ALL }, - { ngx_string("any"), NGX_HTTP_SATISFY_ANY }, - { ngx_null_string, 0 } -}; - - -static ngx_conf_enum_t ngx_http_core_lingering_close[] = { - { ngx_string("off"), NGX_HTTP_LINGERING_OFF }, - { ngx_string("on"), NGX_HTTP_LINGERING_ON }, - { ngx_string("always"), NGX_HTTP_LINGERING_ALWAYS }, - { ngx_null_string, 0 } -}; - - -static ngx_conf_enum_t ngx_http_core_server_tokens[] = { - { ngx_string("off"), NGX_HTTP_SERVER_TOKENS_OFF }, - { ngx_string("on"), NGX_HTTP_SERVER_TOKENS_ON }, - { ngx_string("build"), NGX_HTTP_SERVER_TOKENS_BUILD }, - { ngx_null_string, 0 } -}; - - -static ngx_conf_enum_t ngx_http_core_if_modified_since[] = { - { ngx_string("off"), NGX_HTTP_IMS_OFF }, - { ngx_string("exact"), NGX_HTTP_IMS_EXACT }, - { ngx_string("before"), NGX_HTTP_IMS_BEFORE }, - { ngx_null_string, 0 } -}; - - -static ngx_conf_bitmask_t ngx_http_core_keepalive_disable[] = { - { ngx_string("none"), NGX_HTTP_KEEPALIVE_DISABLE_NONE }, - { ngx_string("msie6"), NGX_HTTP_KEEPALIVE_DISABLE_MSIE6 }, - { ngx_string("safari"), NGX_HTTP_KEEPALIVE_DISABLE_SAFARI }, - { ngx_null_string, 0 } -}; - - -static ngx_path_init_t ngx_http_client_temp_path = { - ngx_string(NGX_HTTP_CLIENT_TEMP_PATH), { 0, 0, 0 } -}; - - -#if (NGX_HTTP_GZIP) - -static ngx_conf_enum_t ngx_http_gzip_http_version[] = { - { ngx_string("1.0"), NGX_HTTP_VERSION_10 }, - { ngx_string("1.1"), NGX_HTTP_VERSION_11 }, - { ngx_null_string, 0 } -}; - - -static ngx_conf_bitmask_t ngx_http_gzip_proxied_mask[] = { - { ngx_string("off"), NGX_HTTP_GZIP_PROXIED_OFF }, - { ngx_string("expired"), NGX_HTTP_GZIP_PROXIED_EXPIRED }, - { ngx_string("no-cache"), NGX_HTTP_GZIP_PROXIED_NO_CACHE }, - { ngx_string("no-store"), NGX_HTTP_GZIP_PROXIED_NO_STORE }, - { ngx_string("private"), NGX_HTTP_GZIP_PROXIED_PRIVATE }, - { ngx_string("no_last_modified"), NGX_HTTP_GZIP_PROXIED_NO_LM }, - { ngx_string("no_etag"), NGX_HTTP_GZIP_PROXIED_NO_ETAG }, - { ngx_string("auth"), NGX_HTTP_GZIP_PROXIED_AUTH }, - { ngx_string("any"), NGX_HTTP_GZIP_PROXIED_ANY }, - { ngx_null_string, 0 } -}; - - -static ngx_str_t ngx_http_gzip_no_cache = ngx_string("no-cache"); -static ngx_str_t ngx_http_gzip_no_store = ngx_string("no-store"); -static ngx_str_t ngx_http_gzip_private = ngx_string("private"); - -#endif - - -static ngx_command_t ngx_http_core_commands[] = { - - { ngx_string("variables_hash_max_size"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_core_main_conf_t, variables_hash_max_size), - NULL }, - - { ngx_string("variables_hash_bucket_size"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_core_main_conf_t, variables_hash_bucket_size), - NULL }, - - { ngx_string("server_names_hash_max_size"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_core_main_conf_t, server_names_hash_max_size), - NULL }, - - { ngx_string("server_names_hash_bucket_size"), - NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_HTTP_MAIN_CONF_OFFSET, - offsetof(ngx_http_core_main_conf_t, server_names_hash_bucket_size), - NULL }, - - { ngx_string("server"), - NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, - ngx_http_core_server, - 0, - 0, - NULL }, - - { ngx_string("connection_pool_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_core_srv_conf_t, connection_pool_size), - &ngx_http_core_pool_size_p }, - - { ngx_string("request_pool_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_core_srv_conf_t, request_pool_size), - &ngx_http_core_pool_size_p }, - - { ngx_string("client_header_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_core_srv_conf_t, client_header_timeout), - NULL }, - - { ngx_string("client_header_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_core_srv_conf_t, client_header_buffer_size), - NULL }, - - { ngx_string("large_client_header_buffers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE2, - ngx_conf_set_bufs_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_core_srv_conf_t, large_client_header_buffers), - NULL }, - - { ngx_string("ignore_invalid_headers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_core_srv_conf_t, ignore_invalid_headers), - NULL }, - - { ngx_string("merge_slashes"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_core_srv_conf_t, merge_slashes), - NULL }, - - { ngx_string("underscores_in_headers"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_HTTP_SRV_CONF_OFFSET, - offsetof(ngx_http_core_srv_conf_t, underscores_in_headers), - NULL }, - - { ngx_string("location"), - NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE12, - ngx_http_core_location, - NGX_HTTP_SRV_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("listen"), - NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, - ngx_http_core_listen, - NGX_HTTP_SRV_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("server_name"), - NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, - ngx_http_core_server_name, - NGX_HTTP_SRV_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("types_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_core_loc_conf_t, types_hash_max_size), - NULL }, - - { ngx_string("types_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_core_loc_conf_t, types_hash_bucket_size), - NULL }, - - { ngx_string("types"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF - |NGX_CONF_BLOCK|NGX_CONF_NOARGS, - ngx_http_core_types, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("default_type"), - 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_core_loc_conf_t, default_type), - NULL }, - - { ngx_string("root"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_TAKE1, - ngx_http_core_root, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("alias"), - NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_core_root, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("limit_except"), - NGX_HTTP_LOC_CONF|NGX_CONF_BLOCK|NGX_CONF_1MORE, - ngx_http_core_limit_except, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("client_max_body_size"), - 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_core_loc_conf_t, client_max_body_size), - NULL }, - - { ngx_string("client_body_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_core_loc_conf_t, client_body_buffer_size), - NULL }, - - { ngx_string("client_body_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_core_loc_conf_t, client_body_timeout), - NULL }, - - { ngx_string("client_body_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_core_loc_conf_t, client_body_temp_path), - NULL }, - - { ngx_string("client_body_in_file_only"), - 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_core_loc_conf_t, client_body_in_file_only), - &ngx_http_core_request_body_in_file }, - - { ngx_string("client_body_in_single_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_core_loc_conf_t, client_body_in_single_buffer), - NULL }, - - { ngx_string("sendfile"), - 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_core_loc_conf_t, sendfile), - NULL }, - - { ngx_string("sendfile_max_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_core_loc_conf_t, sendfile_max_chunk), - NULL }, - - { ngx_string("aio"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_core_set_aio, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("aio_write"), - 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_core_loc_conf_t, aio_write), - NULL }, - - { ngx_string("read_ahead"), - 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_core_loc_conf_t, read_ahead), - NULL }, - - { ngx_string("directio"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_http_core_directio, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("directio_alignment"), - 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_core_loc_conf_t, directio_alignment), - NULL }, - - { ngx_string("tcp_nopush"), - 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_core_loc_conf_t, tcp_nopush), - NULL }, - - { ngx_string("tcp_nodelay"), - 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_core_loc_conf_t, tcp_nodelay), - NULL }, - - { ngx_string("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_core_loc_conf_t, send_timeout), - NULL }, - - { ngx_string("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_core_loc_conf_t, send_lowat), - &ngx_http_core_lowat_post }, - - { ngx_string("postpone_output"), - 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_core_loc_conf_t, postpone_output), - NULL }, - - { ngx_string("limit_rate"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_core_loc_conf_t, limit_rate), - NULL }, - - { ngx_string("limit_rate_after"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_core_loc_conf_t, limit_rate_after), - NULL }, - - { ngx_string("keepalive_timeout"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_core_keepalive, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("keepalive_requests"), - 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_core_loc_conf_t, keepalive_requests), - NULL }, - - { ngx_string("keepalive_disable"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_conf_set_bitmask_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_core_loc_conf_t, keepalive_disable), - &ngx_http_core_keepalive_disable }, - - { ngx_string("satisfy"), - 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_core_loc_conf_t, satisfy), - &ngx_http_core_satisfy }, - - { ngx_string("internal"), - NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, - ngx_http_core_internal, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("lingering_close"), - 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_core_loc_conf_t, lingering_close), - &ngx_http_core_lingering_close }, - - { ngx_string("lingering_time"), - 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_core_loc_conf_t, lingering_time), - NULL }, - - { ngx_string("lingering_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_core_loc_conf_t, lingering_timeout), - NULL }, - - { ngx_string("reset_timedout_connection"), - 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_core_loc_conf_t, reset_timedout_connection), - NULL }, - - { ngx_string("absolute_redirect"), - 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_core_loc_conf_t, absolute_redirect), - NULL }, - - { ngx_string("server_name_in_redirect"), - 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_core_loc_conf_t, server_name_in_redirect), - NULL }, - - { ngx_string("port_in_redirect"), - 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_core_loc_conf_t, port_in_redirect), - NULL }, - - { ngx_string("msie_padding"), - 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_core_loc_conf_t, msie_padding), - NULL }, - - { ngx_string("msie_refresh"), - 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_core_loc_conf_t, msie_refresh), - NULL }, - - { ngx_string("log_not_found"), - 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_core_loc_conf_t, log_not_found), - NULL }, - - { ngx_string("log_subrequest"), - 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_core_loc_conf_t, log_subrequest), - NULL }, - - { ngx_string("recursive_error_pages"), - 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_core_loc_conf_t, recursive_error_pages), - NULL }, - - { ngx_string("server_tokens"), - 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_core_loc_conf_t, server_tokens), - &ngx_http_core_server_tokens }, - - { ngx_string("if_modified_since"), - 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_core_loc_conf_t, if_modified_since), - &ngx_http_core_if_modified_since }, - - { ngx_string("max_ranges"), - 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_core_loc_conf_t, max_ranges), - NULL }, - - { ngx_string("chunked_transfer_encoding"), - 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_core_loc_conf_t, chunked_transfer_encoding), - NULL }, - - { ngx_string("etag"), - 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_core_loc_conf_t, etag), - NULL }, - - { ngx_string("error_page"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_2MORE, - ngx_http_core_error_page, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("try_files"), - NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE, - ngx_http_core_try_files, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("post_action"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_core_loc_conf_t, post_action), - NULL }, - - { ngx_string("error_log"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_core_error_log, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("open_file_cache"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_core_open_file_cache, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_core_loc_conf_t, open_file_cache), - NULL }, - - { ngx_string("open_file_cache_valid"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, - ngx_conf_set_sec_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_core_loc_conf_t, open_file_cache_valid), - NULL }, - - { ngx_string("open_file_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_core_loc_conf_t, open_file_cache_min_uses), - NULL }, - - { ngx_string("open_file_cache_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_core_loc_conf_t, open_file_cache_errors), - NULL }, - - { ngx_string("open_file_cache_events"), - 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_core_loc_conf_t, open_file_cache_events), - NULL }, - - { ngx_string("resolver"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_core_resolver, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("resolver_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_core_loc_conf_t, resolver_timeout), - NULL }, - -#if (NGX_HTTP_GZIP) - - { ngx_string("gzip_vary"), - 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_core_loc_conf_t, gzip_vary), - NULL }, - - { ngx_string("gzip_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_core_loc_conf_t, gzip_http_version), - &ngx_http_gzip_http_version }, - - { ngx_string("gzip_proxied"), - 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_core_loc_conf_t, gzip_proxied), - &ngx_http_gzip_proxied_mask }, - - { ngx_string("gzip_disable"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_gzip_disable, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - -#endif - -#if (NGX_HAVE_OPENAT) - - { ngx_string("disable_symlinks"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, - ngx_http_disable_symlinks, - NGX_HTTP_LOC_CONF_OFFSET, - 0, - NULL }, - -#endif - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_core_module_ctx = { - ngx_http_core_preconfiguration, /* preconfiguration */ - ngx_http_core_postconfiguration, /* postconfiguration */ - - ngx_http_core_create_main_conf, /* create main configuration */ - ngx_http_core_init_main_conf, /* init main configuration */ - - ngx_http_core_create_srv_conf, /* create server configuration */ - ngx_http_core_merge_srv_conf, /* merge server configuration */ - - ngx_http_core_create_loc_conf, /* create location configuration */ - ngx_http_core_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_core_module = { - NGX_MODULE_V1, - &ngx_http_core_module_ctx, /* module context */ - ngx_http_core_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 -}; - - -ngx_str_t ngx_http_core_get_method = { 3, (u_char *) "GET" }; - - -void -ngx_http_handler(ngx_http_request_t *r) -{ - ngx_http_core_main_conf_t *cmcf; - - r->connection->log->action = NULL; - - if (!r->internal) { - switch (r->headers_in.connection_type) { - case 0: - r->keepalive = (r->http_version > NGX_HTTP_VERSION_10); - break; - - case NGX_HTTP_CONNECTION_CLOSE: - r->keepalive = 0; - break; - - case NGX_HTTP_CONNECTION_KEEP_ALIVE: - r->keepalive = 1; - break; - } - - r->lingering_close = (r->headers_in.content_length_n > 0 - || r->headers_in.chunked); - r->phase_handler = 0; - - } else { - cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); - r->phase_handler = cmcf->phase_engine.server_rewrite_index; - } - - r->valid_location = 1; -#if (NGX_HTTP_GZIP) - r->gzip_tested = 0; - r->gzip_ok = 0; - r->gzip_vary = 0; -#endif - - r->write_event_handler = ngx_http_core_run_phases; - ngx_http_core_run_phases(r); -} - - -void -ngx_http_core_run_phases(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_http_phase_handler_t *ph; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); - - ph = cmcf->phase_engine.handlers; - - while (ph[r->phase_handler].checker) { - - rc = ph[r->phase_handler].checker(r, &ph[r->phase_handler]); - - if (rc == NGX_OK) { - return; - } - } -} - - -ngx_int_t -ngx_http_core_generic_phase(ngx_http_request_t *r, ngx_http_phase_handler_t *ph) -{ - ngx_int_t rc; - - /* - * generic phase checker, - * used by the post read and pre-access phases - */ - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "generic phase: %ui", r->phase_handler); - - rc = ph->handler(r); - - if (rc == NGX_OK) { - r->phase_handler = ph->next; - return NGX_AGAIN; - } - - if (rc == NGX_DECLINED) { - r->phase_handler++; - return NGX_AGAIN; - } - - if (rc == NGX_AGAIN || rc == NGX_DONE) { - return NGX_OK; - } - - /* rc == NGX_ERROR || rc == NGX_HTTP_... */ - - ngx_http_finalize_request(r, rc); - - return NGX_OK; -} - - -ngx_int_t -ngx_http_core_rewrite_phase(ngx_http_request_t *r, ngx_http_phase_handler_t *ph) -{ - ngx_int_t rc; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "rewrite phase: %ui", r->phase_handler); - - rc = ph->handler(r); - - if (rc == NGX_DECLINED) { - r->phase_handler++; - return NGX_AGAIN; - } - - if (rc == NGX_DONE) { - return NGX_OK; - } - - /* NGX_OK, NGX_AGAIN, NGX_ERROR, NGX_HTTP_... */ - - ngx_http_finalize_request(r, rc); - - return NGX_OK; -} - - -ngx_int_t -ngx_http_core_find_config_phase(ngx_http_request_t *r, - ngx_http_phase_handler_t *ph) -{ - u_char *p; - size_t len; - ngx_int_t rc; - ngx_http_core_loc_conf_t *clcf; - - r->content_handler = NULL; - r->uri_changed = 0; - - rc = ngx_http_core_find_location(r); - - if (rc == NGX_ERROR) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return NGX_OK; - } - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (!r->internal && clcf->internal) { - ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); - return NGX_OK; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "using configuration \"%s%V\"", - (clcf->noname ? "*" : (clcf->exact_match ? "=" : "")), - &clcf->name); - - ngx_http_update_location_config(r); - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http cl:%O max:%O", - r->headers_in.content_length_n, clcf->client_max_body_size); - - if (r->headers_in.content_length_n != -1 - && !r->discard_body - && clcf->client_max_body_size - && clcf->client_max_body_size < r->headers_in.content_length_n) - { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "client intended to send too large body: %O bytes", - r->headers_in.content_length_n); - - r->expect_tested = 1; - (void) ngx_http_discard_request_body(r); - ngx_http_finalize_request(r, NGX_HTTP_REQUEST_ENTITY_TOO_LARGE); - return NGX_OK; - } - - if (rc == NGX_DONE) { - ngx_http_clear_location(r); - - r->headers_out.location = ngx_list_push(&r->headers_out.headers); - if (r->headers_out.location == NULL) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return NGX_OK; - } - - r->headers_out.location->hash = 1; - ngx_str_set(&r->headers_out.location->key, "Location"); - - if (r->args.len == 0) { - r->headers_out.location->value = clcf->name; - - } else { - len = clcf->name.len + 1 + r->args.len; - p = ngx_pnalloc(r->pool, len); - - if (p == NULL) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return NGX_OK; - } - - r->headers_out.location->value.len = len; - r->headers_out.location->value.data = p; - - p = ngx_cpymem(p, clcf->name.data, clcf->name.len); - *p++ = '?'; - ngx_memcpy(p, r->args.data, r->args.len); - } - - ngx_http_finalize_request(r, NGX_HTTP_MOVED_PERMANENTLY); - return NGX_OK; - } - - r->phase_handler++; - return NGX_AGAIN; -} - - -ngx_int_t -ngx_http_core_post_rewrite_phase(ngx_http_request_t *r, - ngx_http_phase_handler_t *ph) -{ - ngx_http_core_srv_conf_t *cscf; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "post rewrite phase: %ui", r->phase_handler); - - if (!r->uri_changed) { - r->phase_handler++; - return NGX_AGAIN; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "uri changes: %d", r->uri_changes); - - /* - * gcc before 3.3 compiles the broken code for - * if (r->uri_changes-- == 0) - * if the r->uri_changes is defined as - * unsigned uri_changes:4 - */ - - r->uri_changes--; - - if (r->uri_changes == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "rewrite or internal redirection cycle " - "while processing \"%V\"", &r->uri); - - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return NGX_OK; - } - - r->phase_handler = ph->next; - - cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); - r->loc_conf = cscf->ctx->loc_conf; - - return NGX_AGAIN; -} - - -ngx_int_t -ngx_http_core_access_phase(ngx_http_request_t *r, ngx_http_phase_handler_t *ph) -{ - ngx_int_t rc; - ngx_http_core_loc_conf_t *clcf; - - if (r != r->main) { - r->phase_handler = ph->next; - return NGX_AGAIN; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "access phase: %ui", r->phase_handler); - - rc = ph->handler(r); - - if (rc == NGX_DECLINED) { - r->phase_handler++; - return NGX_AGAIN; - } - - if (rc == NGX_AGAIN || rc == NGX_DONE) { - return NGX_OK; - } - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (clcf->satisfy == NGX_HTTP_SATISFY_ALL) { - - if (rc == NGX_OK) { - r->phase_handler++; - return NGX_AGAIN; - } - - } else { - if (rc == NGX_OK) { - r->access_code = 0; - - if (r->headers_out.www_authenticate) { - r->headers_out.www_authenticate->hash = 0; - } - - r->phase_handler = ph->next; - return NGX_AGAIN; - } - - if (rc == NGX_HTTP_FORBIDDEN || rc == NGX_HTTP_UNAUTHORIZED) { - if (r->access_code != NGX_HTTP_UNAUTHORIZED) { - r->access_code = rc; - } - - r->phase_handler++; - return NGX_AGAIN; - } - } - - /* rc == NGX_ERROR || rc == NGX_HTTP_... */ - - ngx_http_finalize_request(r, rc); - return NGX_OK; -} - - -ngx_int_t -ngx_http_core_post_access_phase(ngx_http_request_t *r, - ngx_http_phase_handler_t *ph) -{ - ngx_int_t access_code; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "post access phase: %ui", r->phase_handler); - - access_code = r->access_code; - - if (access_code) { - if (access_code == NGX_HTTP_FORBIDDEN) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "access forbidden by rule"); - } - - r->access_code = 0; - ngx_http_finalize_request(r, access_code); - return NGX_OK; - } - - r->phase_handler++; - return NGX_AGAIN; -} - - -ngx_int_t -ngx_http_core_try_files_phase(ngx_http_request_t *r, - ngx_http_phase_handler_t *ph) -{ - 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_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "try files phase: %ui", r->phase_handler); - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (clcf->try_files == NULL) { - r->phase_handler++; - return NGX_AGAIN; - } - - allocated = 0; - root = 0; - name = NULL; - /* suppress MSVC warning */ - path.data = NULL; - - tf = clcf->try_files; - - 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) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return NGX_OK; - } - - 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) { - ngx_http_finalize_request(r, tf->code); - return NGX_OK; - } - - 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_OK; - } - - 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) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return NGX_OK; - } - - if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) - != NGX_OK) - { - if (of.err == 0) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return NGX_OK; - } - - 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) { - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return NGX_OK; - } - - 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); - - r->phase_handler++; - return NGX_AGAIN; - } - - /* not reached */ -} - - -ngx_int_t -ngx_http_core_content_phase(ngx_http_request_t *r, - ngx_http_phase_handler_t *ph) -{ - size_t root; - ngx_int_t rc; - ngx_str_t path; - - if (r->content_handler) { - r->write_event_handler = ngx_http_request_empty_handler; - ngx_http_finalize_request(r, r->content_handler(r)); - return NGX_OK; - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "content phase: %ui", r->phase_handler); - - rc = ph->handler(r); - - if (rc != NGX_DECLINED) { - ngx_http_finalize_request(r, rc); - return NGX_OK; - } - - /* rc == NGX_DECLINED */ - - ph++; - - if (ph->checker) { - r->phase_handler++; - return NGX_AGAIN; - } - - /* no content handler was found */ - - if (r->uri.data[r->uri.len - 1] == '/') { - - if (ngx_http_map_uri_to_path(r, &path, &root, 0) != NULL) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "directory index of \"%s\" is forbidden", path.data); - } - - ngx_http_finalize_request(r, NGX_HTTP_FORBIDDEN); - return NGX_OK; - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no handler found"); - - ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); - return NGX_OK; -} - - -void -ngx_http_update_location_config(ngx_http_request_t *r) -{ - ngx_http_core_loc_conf_t *clcf; - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (r->method & clcf->limit_except) { - r->loc_conf = clcf->limit_except_loc_conf; - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - } - - if (r == r->main) { - ngx_set_connection_log(r->connection, clcf->error_log); - } - - if ((ngx_io.flags & NGX_IO_SENDFILE) && clcf->sendfile) { - r->connection->sendfile = 1; - - } else { - r->connection->sendfile = 0; - } - - if (clcf->client_body_in_file_only) { - r->request_body_in_file_only = 1; - r->request_body_in_persistent_file = 1; - r->request_body_in_clean_file = - clcf->client_body_in_file_only == NGX_HTTP_REQUEST_BODY_FILE_CLEAN; - r->request_body_file_log_level = NGX_LOG_NOTICE; - - } else { - r->request_body_file_log_level = NGX_LOG_WARN; - } - - r->request_body_in_single_buf = clcf->client_body_in_single_buffer; - - if (r->keepalive) { - if (clcf->keepalive_timeout == 0) { - r->keepalive = 0; - - } else if (r->connection->requests >= clcf->keepalive_requests) { - r->keepalive = 0; - - } else if (r->headers_in.msie6 - && r->method == NGX_HTTP_POST - && (clcf->keepalive_disable - & NGX_HTTP_KEEPALIVE_DISABLE_MSIE6)) - { - /* - * MSIE may wait for some time if an response for - * a POST request was sent over a keepalive connection - */ - r->keepalive = 0; - - } else if (r->headers_in.safari - && (clcf->keepalive_disable - & NGX_HTTP_KEEPALIVE_DISABLE_SAFARI)) - { - /* - * Safari may send a POST request to a closed keepalive - * connection and may stall for some time, see - * https://bugs.webkit.org/show_bug.cgi?id=5760 - */ - r->keepalive = 0; - } - } - - if (!clcf->tcp_nopush) { - /* disable TCP_NOPUSH/TCP_CORK use */ - r->connection->tcp_nopush = NGX_TCP_NOPUSH_DISABLED; - } - - if (r->limit_rate == 0) { - r->limit_rate = clcf->limit_rate; - } - - if (clcf->handler) { - r->content_handler = clcf->handler; - } -} - - -/* - * NGX_OK - exact or regex match - * NGX_DONE - auto redirect - * NGX_AGAIN - inclusive match - * NGX_ERROR - regex error - * NGX_DECLINED - no match - */ - -static ngx_int_t -ngx_http_core_find_location(ngx_http_request_t *r) -{ - ngx_int_t rc; - ngx_http_core_loc_conf_t *pclcf; -#if (NGX_PCRE) - ngx_int_t n; - ngx_uint_t noregex; - ngx_http_core_loc_conf_t *clcf, **clcfp; - - noregex = 0; -#endif - - pclcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - rc = ngx_http_core_find_static_location(r, pclcf->static_locations); - - if (rc == NGX_AGAIN) { - -#if (NGX_PCRE) - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - noregex = clcf->noregex; -#endif - - /* look up nested locations */ - - rc = ngx_http_core_find_location(r); - } - - if (rc == NGX_OK || rc == NGX_DONE) { - return rc; - } - - /* rc == NGX_DECLINED or rc == NGX_AGAIN in nested location */ - -#if (NGX_PCRE) - - if (noregex == 0 && pclcf->regex_locations) { - - for (clcfp = pclcf->regex_locations; *clcfp; clcfp++) { - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "test location: ~ \"%V\"", &(*clcfp)->name); - - n = ngx_http_regex_exec(r, (*clcfp)->regex, &r->uri); - - if (n == NGX_OK) { - r->loc_conf = (*clcfp)->loc_conf; - - /* look up nested locations */ - - rc = ngx_http_core_find_location(r); - - return (rc == NGX_ERROR) ? rc : NGX_OK; - } - - if (n == NGX_DECLINED) { - continue; - } - - return NGX_ERROR; - } - } -#endif - - return rc; -} - - -/* - * NGX_OK - exact match - * NGX_DONE - auto redirect - * NGX_AGAIN - inclusive match - * NGX_DECLINED - no match - */ - -static ngx_int_t -ngx_http_core_find_static_location(ngx_http_request_t *r, - ngx_http_location_tree_node_t *node) -{ - u_char *uri; - size_t len, n; - ngx_int_t rc, rv; - - len = r->uri.len; - uri = r->uri.data; - - rv = NGX_DECLINED; - - for ( ;; ) { - - if (node == NULL) { - return rv; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "test location: \"%*s\"", - (size_t) node->len, node->name); - - n = (len <= (size_t) node->len) ? len : node->len; - - rc = ngx_filename_cmp(uri, node->name, n); - - if (rc != 0) { - node = (rc < 0) ? node->left : node->right; - - continue; - } - - if (len > (size_t) node->len) { - - if (node->inclusive) { - - r->loc_conf = node->inclusive->loc_conf; - rv = NGX_AGAIN; - - node = node->tree; - uri += n; - len -= n; - - continue; - } - - /* exact only */ - - node = node->right; - - continue; - } - - if (len == (size_t) node->len) { - - if (node->exact) { - r->loc_conf = node->exact->loc_conf; - return NGX_OK; - - } else { - r->loc_conf = node->inclusive->loc_conf; - return NGX_AGAIN; - } - } - - /* len < node->len */ - - if (len + 1 == (size_t) node->len && node->auto_redirect) { - - r->loc_conf = (node->exact) ? node->exact->loc_conf: - node->inclusive->loc_conf; - rv = NGX_DONE; - } - - node = node->left; - } -} - - -void * -ngx_http_test_content_type(ngx_http_request_t *r, ngx_hash_t *types_hash) -{ - u_char c, *lowcase; - size_t len; - ngx_uint_t i, hash; - - if (types_hash->size == 0) { - return (void *) 4; - } - - if (r->headers_out.content_type.len == 0) { - return NULL; - } - - len = r->headers_out.content_type_len; - - if (r->headers_out.content_type_lowcase == NULL) { - - lowcase = ngx_pnalloc(r->pool, len); - if (lowcase == NULL) { - return NULL; - } - - r->headers_out.content_type_lowcase = lowcase; - - hash = 0; - - for (i = 0; i < len; i++) { - c = ngx_tolower(r->headers_out.content_type.data[i]); - hash = ngx_hash(hash, c); - lowcase[i] = c; - } - - r->headers_out.content_type_hash = hash; - } - - return ngx_hash_find(types_hash, r->headers_out.content_type_hash, - r->headers_out.content_type_lowcase, len); -} - - -ngx_int_t -ngx_http_set_content_type(ngx_http_request_t *r) -{ - u_char c, *exten; - ngx_str_t *type; - ngx_uint_t i, hash; - ngx_http_core_loc_conf_t *clcf; - - if (r->headers_out.content_type.len) { - return NGX_OK; - } - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (r->exten.len) { - - hash = 0; - - for (i = 0; i < r->exten.len; i++) { - c = r->exten.data[i]; - - if (c >= 'A' && c <= 'Z') { - - exten = ngx_pnalloc(r->pool, r->exten.len); - if (exten == NULL) { - return NGX_ERROR; - } - - hash = ngx_hash_strlow(exten, r->exten.data, r->exten.len); - - r->exten.data = exten; - - break; - } - - hash = ngx_hash(hash, c); - } - - type = ngx_hash_find(&clcf->types_hash, hash, - r->exten.data, r->exten.len); - - if (type) { - r->headers_out.content_type_len = type->len; - r->headers_out.content_type = *type; - - return NGX_OK; - } - } - - r->headers_out.content_type_len = clcf->default_type.len; - r->headers_out.content_type = clcf->default_type; - - return NGX_OK; -} - - -void -ngx_http_set_exten(ngx_http_request_t *r) -{ - ngx_int_t i; - - ngx_str_null(&r->exten); - - for (i = r->uri.len - 1; i > 1; i--) { - if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') { - - r->exten.len = r->uri.len - i - 1; - r->exten.data = &r->uri.data[i + 1]; - - return; - - } else if (r->uri.data[i] == '/') { - return; - } - } - - return; -} - - -ngx_int_t -ngx_http_set_etag(ngx_http_request_t *r) -{ - ngx_table_elt_t *etag; - ngx_http_core_loc_conf_t *clcf; - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (!clcf->etag) { - return NGX_OK; - } - - etag = ngx_list_push(&r->headers_out.headers); - if (etag == NULL) { - return NGX_ERROR; - } - - etag->hash = 1; - ngx_str_set(&etag->key, "ETag"); - - etag->value.data = ngx_pnalloc(r->pool, NGX_OFF_T_LEN + NGX_TIME_T_LEN + 3); - if (etag->value.data == NULL) { - etag->hash = 0; - return NGX_ERROR; - } - - etag->value.len = ngx_sprintf(etag->value.data, "\"%xT-%xO\"", - r->headers_out.last_modified_time, - r->headers_out.content_length_n) - - etag->value.data; - - r->headers_out.etag = etag; - - return NGX_OK; -} - - -void -ngx_http_weak_etag(ngx_http_request_t *r) -{ - size_t len; - u_char *p; - ngx_table_elt_t *etag; - - etag = r->headers_out.etag; - - if (etag == NULL) { - return; - } - - if (etag->value.len > 2 - && etag->value.data[0] == 'W' - && etag->value.data[1] == '/') - { - return; - } - - if (etag->value.len < 1 || etag->value.data[0] != '"') { - r->headers_out.etag->hash = 0; - r->headers_out.etag = NULL; - return; - } - - p = ngx_pnalloc(r->pool, etag->value.len + 2); - if (p == NULL) { - r->headers_out.etag->hash = 0; - r->headers_out.etag = NULL; - return; - } - - len = ngx_sprintf(p, "W/%V", &etag->value) - p; - - etag->value.data = p; - etag->value.len = len; -} - - -ngx_int_t -ngx_http_send_response(ngx_http_request_t *r, ngx_uint_t status, - ngx_str_t *ct, ngx_http_complex_value_t *cv) -{ - ngx_int_t rc; - ngx_str_t val; - ngx_buf_t *b; - ngx_chain_t out; - - if (ngx_http_discard_request_body(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - r->headers_out.status = status; - - if (ngx_http_complex_value(r, cv, &val) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - if (status == NGX_HTTP_MOVED_PERMANENTLY - || status == NGX_HTTP_MOVED_TEMPORARILY - || status == NGX_HTTP_SEE_OTHER - || status == NGX_HTTP_TEMPORARY_REDIRECT) - { - 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; - } - - r->headers_out.location->hash = 1; - ngx_str_set(&r->headers_out.location->key, "Location"); - r->headers_out.location->value = val; - - return status; - } - - r->headers_out.content_length_n = val.len; - - if (ct) { - r->headers_out.content_type_len = ct->len; - r->headers_out.content_type = *ct; - - } else { - if (ngx_http_set_content_type(r) != NGX_OK) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - } - - if (r->method == NGX_HTTP_HEAD || (r != r->main && val.len == 0)) { - return ngx_http_send_header(r); - } - - b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); - if (b == NULL) { - return NGX_HTTP_INTERNAL_SERVER_ERROR; - } - - b->pos = val.data; - b->last = val.data + val.len; - b->memory = val.len ? 1 : 0; - b->last_buf = (r == r->main) ? 1 : 0; - b->last_in_chain = 1; - - out.buf = b; - out.next = NULL; - - 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); -} - - -ngx_int_t -ngx_http_send_header(ngx_http_request_t *r) -{ - if (r->post_action) { - return NGX_OK; - } - - if (r->header_sent) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "header already sent"); - return NGX_ERROR; - } - - if (r->err_status) { - r->headers_out.status = r->err_status; - r->headers_out.status_line.len = 0; - } - - return ngx_http_top_header_filter(r); -} - - -ngx_int_t -ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - ngx_int_t rc; - ngx_connection_t *c; - - c = r->connection; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, - "http output filter \"%V?%V\"", &r->uri, &r->args); - - rc = ngx_http_top_body_filter(r, in); - - if (rc == NGX_ERROR) { - /* NGX_ERROR may be returned by any filter */ - c->error = 1; - } - - return rc; -} - - -u_char * -ngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *path, - size_t *root_length, size_t reserved) -{ - u_char *last; - size_t alias; - ngx_http_core_loc_conf_t *clcf; - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - alias = clcf->alias; - - if (alias && !r->valid_location) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "\"alias\" cannot be used in location \"%V\" " - "where URI was rewritten", &clcf->name); - return NULL; - } - - if (clcf->root_lengths == NULL) { - - *root_length = clcf->root.len; - - path->len = clcf->root.len + reserved + r->uri.len - alias + 1; - - path->data = ngx_pnalloc(r->pool, path->len); - if (path->data == NULL) { - return NULL; - } - - last = ngx_copy(path->data, clcf->root.data, clcf->root.len); - - } else { - - if (alias == NGX_MAX_SIZE_T_VALUE) { - reserved += r->add_uri_to_alias ? r->uri.len + 1 : 1; - - } else { - reserved += r->uri.len - alias + 1; - } - - if (ngx_http_script_run(r, path, clcf->root_lengths->elts, reserved, - clcf->root_values->elts) - == NULL) - { - return NULL; - } - - if (ngx_get_full_name(r->pool, (ngx_str_t *) &ngx_cycle->prefix, path) - != NGX_OK) - { - return NULL; - } - - *root_length = path->len - reserved; - last = path->data + *root_length; - - if (alias == NGX_MAX_SIZE_T_VALUE) { - if (!r->add_uri_to_alias) { - *last = '\0'; - return last; - } - - alias = 0; - } - } - - last = ngx_cpystrn(last, r->uri.data + alias, r->uri.len - alias + 1); - - return last; -} - - -ngx_int_t -ngx_http_auth_basic_user(ngx_http_request_t *r) -{ - ngx_str_t auth, encoded; - ngx_uint_t len; - - if (r->headers_in.user.len == 0 && r->headers_in.user.data != NULL) { - return NGX_DECLINED; - } - - if (r->headers_in.authorization == NULL) { - r->headers_in.user.data = (u_char *) ""; - return NGX_DECLINED; - } - - encoded = r->headers_in.authorization->value; - - if (encoded.len < sizeof("Basic ") - 1 - || ngx_strncasecmp(encoded.data, (u_char *) "Basic ", - sizeof("Basic ") - 1) - != 0) - { - r->headers_in.user.data = (u_char *) ""; - return NGX_DECLINED; - } - - encoded.len -= sizeof("Basic ") - 1; - encoded.data += sizeof("Basic ") - 1; - - while (encoded.len && encoded.data[0] == ' ') { - encoded.len--; - encoded.data++; - } - - if (encoded.len == 0) { - r->headers_in.user.data = (u_char *) ""; - return NGX_DECLINED; - } - - auth.len = ngx_base64_decoded_length(encoded.len); - auth.data = ngx_pnalloc(r->pool, auth.len + 1); - if (auth.data == NULL) { - return NGX_ERROR; - } - - if (ngx_decode_base64(&auth, &encoded) != NGX_OK) { - r->headers_in.user.data = (u_char *) ""; - return NGX_DECLINED; - } - - auth.data[auth.len] = '\0'; - - for (len = 0; len < auth.len; len++) { - if (auth.data[len] == ':') { - break; - } - } - - if (len == 0 || len == auth.len) { - r->headers_in.user.data = (u_char *) ""; - return NGX_DECLINED; - } - - r->headers_in.user.len = len; - r->headers_in.user.data = auth.data; - r->headers_in.passwd.len = auth.len - len - 1; - r->headers_in.passwd.data = &auth.data[len + 1]; - - return NGX_OK; -} - - -#if (NGX_HTTP_GZIP) - -ngx_int_t -ngx_http_gzip_ok(ngx_http_request_t *r) -{ - time_t date, expires; - ngx_uint_t p; - ngx_array_t *cc; - ngx_table_elt_t *e, *d, *ae; - ngx_http_core_loc_conf_t *clcf; - - r->gzip_tested = 1; - - if (r != r->main) { - return NGX_DECLINED; - } - - ae = r->headers_in.accept_encoding; - if (ae == NULL) { - return NGX_DECLINED; - } - - if (ae->value.len < sizeof("gzip") - 1) { - return NGX_DECLINED; - } - - /* - * test first for the most common case "gzip,...": - * MSIE: "gzip, deflate" - * Firefox: "gzip,deflate" - * Chrome: "gzip,deflate,sdch" - * Safari: "gzip, deflate" - * Opera: "gzip, deflate" - */ - - if (ngx_memcmp(ae->value.data, "gzip,", 5) != 0 - && ngx_http_gzip_accept_encoding(&ae->value) != NGX_OK) - { - return NGX_DECLINED; - } - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (r->headers_in.msie6 && clcf->gzip_disable_msie6) { - return NGX_DECLINED; - } - - if (r->http_version < clcf->gzip_http_version) { - return NGX_DECLINED; - } - - if (r->headers_in.via == NULL) { - goto ok; - } - - p = clcf->gzip_proxied; - - if (p & NGX_HTTP_GZIP_PROXIED_OFF) { - return NGX_DECLINED; - } - - if (p & NGX_HTTP_GZIP_PROXIED_ANY) { - goto ok; - } - - if (r->headers_in.authorization && (p & NGX_HTTP_GZIP_PROXIED_AUTH)) { - goto ok; - } - - e = r->headers_out.expires; - - if (e) { - - if (!(p & NGX_HTTP_GZIP_PROXIED_EXPIRED)) { - return NGX_DECLINED; - } - - expires = ngx_parse_http_time(e->value.data, e->value.len); - if (expires == NGX_ERROR) { - return NGX_DECLINED; - } - - d = r->headers_out.date; - - if (d) { - date = ngx_parse_http_time(d->value.data, d->value.len); - if (date == NGX_ERROR) { - return NGX_DECLINED; - } - - } else { - date = ngx_time(); - } - - if (expires < date) { - goto ok; - } - - return NGX_DECLINED; - } - - cc = &r->headers_out.cache_control; - - if (cc->elts) { - - if ((p & NGX_HTTP_GZIP_PROXIED_NO_CACHE) - && ngx_http_parse_multi_header_lines(cc, &ngx_http_gzip_no_cache, - NULL) - >= 0) - { - goto ok; - } - - if ((p & NGX_HTTP_GZIP_PROXIED_NO_STORE) - && ngx_http_parse_multi_header_lines(cc, &ngx_http_gzip_no_store, - NULL) - >= 0) - { - goto ok; - } - - if ((p & NGX_HTTP_GZIP_PROXIED_PRIVATE) - && ngx_http_parse_multi_header_lines(cc, &ngx_http_gzip_private, - NULL) - >= 0) - { - goto ok; - } - - return NGX_DECLINED; - } - - if ((p & NGX_HTTP_GZIP_PROXIED_NO_LM) && r->headers_out.last_modified) { - return NGX_DECLINED; - } - - if ((p & NGX_HTTP_GZIP_PROXIED_NO_ETAG) && r->headers_out.etag) { - return NGX_DECLINED; - } - -ok: - -#if (NGX_PCRE) - - if (clcf->gzip_disable && r->headers_in.user_agent) { - - if (ngx_regex_exec_array(clcf->gzip_disable, - &r->headers_in.user_agent->value, - r->connection->log) - != NGX_DECLINED) - { - return NGX_DECLINED; - } - } - -#endif - - r->gzip_ok = 1; - - return NGX_OK; -} - - -/* - * gzip is enabled for the following quantities: - * "gzip; q=0.001" ... "gzip; q=1.000" - * gzip is disabled for the following quantities: - * "gzip; q=0" ... "gzip; q=0.000", and for any invalid cases - */ - -static ngx_int_t -ngx_http_gzip_accept_encoding(ngx_str_t *ae) -{ - u_char *p, *start, *last; - - start = ae->data; - last = start + ae->len; - - for ( ;; ) { - p = ngx_strcasestrn(start, "gzip", 4 - 1); - if (p == NULL) { - return NGX_DECLINED; - } - - if (p == start || (*(p - 1) == ',' || *(p - 1) == ' ')) { - break; - } - - start = p + 4; - } - - p += 4; - - while (p < last) { - switch (*p++) { - case ',': - return NGX_OK; - case ';': - goto quantity; - case ' ': - continue; - default: - return NGX_DECLINED; - } - } - - return NGX_OK; - -quantity: - - while (p < last) { - switch (*p++) { - case 'q': - case 'Q': - goto equal; - case ' ': - continue; - default: - return NGX_DECLINED; - } - } - - return NGX_OK; - -equal: - - if (p + 2 > last || *p++ != '=') { - return NGX_DECLINED; - } - - if (ngx_http_gzip_quantity(p, last) == 0) { - return NGX_DECLINED; - } - - return NGX_OK; -} - - -static ngx_uint_t -ngx_http_gzip_quantity(u_char *p, u_char *last) -{ - u_char c; - ngx_uint_t n, q; - - c = *p++; - - if (c != '0' && c != '1') { - return 0; - } - - q = (c - '0') * 100; - - if (p == last) { - return q; - } - - c = *p++; - - if (c == ',' || c == ' ') { - return q; - } - - if (c != '.') { - return 0; - } - - n = 0; - - while (p < last) { - c = *p++; - - if (c == ',' || c == ' ') { - break; - } - - if (c >= '0' && c <= '9') { - q += c - '0'; - n++; - continue; - } - - return 0; - } - - if (q > 100 || n > 3) { - return 0; - } - - return q; -} - -#endif - - -ngx_int_t -ngx_http_subrequest(ngx_http_request_t *r, - ngx_str_t *uri, ngx_str_t *args, ngx_http_request_t **psr, - ngx_http_post_subrequest_t *ps, ngx_uint_t flags) -{ - ngx_time_t *tp; - ngx_connection_t *c; - ngx_http_request_t *sr; - ngx_http_core_srv_conf_t *cscf; - ngx_http_postponed_request_t *pr, *p; - - if (r->subrequests == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "subrequests cycle while processing \"%V\"", uri); - return NGX_ERROR; - } - - /* - * 1000 is reserved for other purposes. - */ - if (r->main->count >= 65535 - 1000) { - ngx_log_error(NGX_LOG_CRIT, r->connection->log, 0, - "request reference counter overflow " - "while processing \"%V\"", uri); - return NGX_ERROR; - } - - sr = ngx_pcalloc(r->pool, sizeof(ngx_http_request_t)); - if (sr == NULL) { - return NGX_ERROR; - } - - sr->signature = NGX_HTTP_MODULE; - - c = r->connection; - sr->connection = c; - - sr->ctx = ngx_pcalloc(r->pool, sizeof(void *) * ngx_http_max_module); - if (sr->ctx == NULL) { - return NGX_ERROR; - } - - if (ngx_list_init(&sr->headers_out.headers, r->pool, 20, - sizeof(ngx_table_elt_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); - sr->main_conf = cscf->ctx->main_conf; - sr->srv_conf = cscf->ctx->srv_conf; - sr->loc_conf = cscf->ctx->loc_conf; - - sr->pool = r->pool; - - sr->headers_in = r->headers_in; - - ngx_http_clear_content_length(sr); - ngx_http_clear_accept_ranges(sr); - ngx_http_clear_last_modified(sr); - - sr->request_body = r->request_body; - -#if (NGX_HTTP_V2) - sr->stream = r->stream; -#endif - - sr->method = NGX_HTTP_GET; - sr->http_version = r->http_version; - - sr->request_line = r->request_line; - sr->uri = *uri; - - if (args) { - sr->args = *args; - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, - "http subrequest \"%V?%V\"", uri, &sr->args); - - sr->subrequest_in_memory = (flags & NGX_HTTP_SUBREQUEST_IN_MEMORY) != 0; - sr->waited = (flags & NGX_HTTP_SUBREQUEST_WAITED) != 0; - - sr->unparsed_uri = r->unparsed_uri; - sr->method_name = ngx_http_core_get_method; - sr->http_protocol = r->http_protocol; - - ngx_http_set_exten(sr); - - sr->main = r->main; - sr->parent = r; - sr->post_subrequest = ps; - sr->read_event_handler = ngx_http_request_empty_handler; - sr->write_event_handler = ngx_http_handler; - - if (c->data == r && r->postponed == NULL) { - c->data = sr; - } - - sr->variables = r->variables; - - sr->log_handler = r->log_handler; - - pr = ngx_palloc(r->pool, sizeof(ngx_http_postponed_request_t)); - if (pr == NULL) { - return NGX_ERROR; - } - - pr->request = sr; - pr->out = NULL; - pr->next = NULL; - - if (r->postponed) { - for (p = r->postponed; p->next; p = p->next) { /* void */ } - p->next = pr; - - } else { - r->postponed = pr; - } - - sr->internal = 1; - - sr->discard_body = r->discard_body; - sr->expect_tested = 1; - sr->main_filter_need_in_memory = r->main_filter_need_in_memory; - - sr->uri_changes = NGX_HTTP_MAX_URI_CHANGES + 1; - sr->subrequests = r->subrequests - 1; - - tp = ngx_timeofday(); - sr->start_sec = tp->sec; - sr->start_msec = tp->msec; - - r->main->count++; - - *psr = sr; - - if (flags & NGX_HTTP_SUBREQUEST_CLONE) { - sr->method = r->method; - sr->method_name = r->method_name; - sr->loc_conf = r->loc_conf; - sr->valid_location = r->valid_location; - sr->content_handler = r->content_handler; - sr->phase_handler = r->phase_handler; - sr->write_event_handler = ngx_http_core_run_phases; - - ngx_http_update_location_config(sr); - } - - return ngx_http_post_request(sr, NULL); -} - - -ngx_int_t -ngx_http_internal_redirect(ngx_http_request_t *r, - ngx_str_t *uri, ngx_str_t *args) -{ - ngx_http_core_srv_conf_t *cscf; - - r->uri_changes--; - - if (r->uri_changes == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "rewrite or internal redirection cycle " - "while internally redirecting to \"%V\"", uri); - - r->main->count++; - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return NGX_DONE; - } - - r->uri = *uri; - - if (args) { - r->args = *args; - - } else { - ngx_str_null(&r->args); - } - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "internal redirect: \"%V?%V\"", uri, &r->args); - - ngx_http_set_exten(r); - - /* clear the modules contexts */ - ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module); - - cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); - r->loc_conf = cscf->ctx->loc_conf; - - ngx_http_update_location_config(r); - -#if (NGX_HTTP_CACHE) - r->cache = NULL; -#endif - - r->internal = 1; - r->valid_unparsed_uri = 0; - r->add_uri_to_alias = 0; - r->main->count++; - - ngx_http_handler(r); - - return NGX_DONE; -} - - -ngx_int_t -ngx_http_named_location(ngx_http_request_t *r, ngx_str_t *name) -{ - ngx_http_core_srv_conf_t *cscf; - ngx_http_core_loc_conf_t **clcfp; - ngx_http_core_main_conf_t *cmcf; - - r->main->count++; - r->uri_changes--; - - if (r->uri_changes == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "rewrite or internal redirection cycle " - "while redirect to named location \"%V\"", name); - - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return NGX_DONE; - } - - if (r->uri.len == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "empty URI in redirect to named location \"%V\"", name); - - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - return NGX_DONE; - } - - cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); - - if (cscf->named_locations) { - - for (clcfp = cscf->named_locations; *clcfp; clcfp++) { - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "test location: \"%V\"", &(*clcfp)->name); - - if (name->len != (*clcfp)->name.len - || ngx_strncmp(name->data, (*clcfp)->name.data, name->len) != 0) - { - continue; - } - - ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "using location: %V \"%V?%V\"", - name, &r->uri, &r->args); - - r->internal = 1; - r->content_handler = NULL; - r->uri_changed = 0; - r->loc_conf = (*clcfp)->loc_conf; - - /* clear the modules contexts */ - ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module); - - ngx_http_update_location_config(r); - - cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); - - r->phase_handler = cmcf->phase_engine.location_rewrite_index; - - r->write_event_handler = ngx_http_core_run_phases; - ngx_http_core_run_phases(r); - - return NGX_DONE; - } - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "could not find named location \"%V\"", name); - - ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); - - return NGX_DONE; -} - - -ngx_http_cleanup_t * -ngx_http_cleanup_add(ngx_http_request_t *r, size_t size) -{ - ngx_http_cleanup_t *cln; - - r = r->main; - - cln = ngx_palloc(r->pool, sizeof(ngx_http_cleanup_t)); - if (cln == NULL) { - return NULL; - } - - if (size) { - cln->data = ngx_palloc(r->pool, size); - if (cln->data == NULL) { - return NULL; - } - - } else { - cln->data = NULL; - } - - cln->handler = NULL; - cln->next = r->cleanup; - - r->cleanup = cln; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http cleanup add: %p", cln); - - return cln; -} - - -ngx_int_t -ngx_http_set_disable_symlinks(ngx_http_request_t *r, - ngx_http_core_loc_conf_t *clcf, ngx_str_t *path, ngx_open_file_info_t *of) -{ -#if (NGX_HAVE_OPENAT) - u_char *p; - ngx_str_t from; - - of->disable_symlinks = clcf->disable_symlinks; - - if (clcf->disable_symlinks_from == NULL) { - return NGX_OK; - } - - if (ngx_http_complex_value(r, clcf->disable_symlinks_from, &from) - != NGX_OK) - { - return NGX_ERROR; - } - - if (from.len == 0 - || from.len > path->len - || ngx_memcmp(path->data, from.data, from.len) != 0) - { - return NGX_OK; - } - - if (from.len == path->len) { - of->disable_symlinks = NGX_DISABLE_SYMLINKS_OFF; - return NGX_OK; - } - - p = path->data + from.len; - - if (*p == '/') { - of->disable_symlinks_from = from.len; - return NGX_OK; - } - - p--; - - if (*p == '/') { - of->disable_symlinks_from = from.len - 1; - } -#endif - - return NGX_OK; -} - - -ngx_int_t -ngx_http_get_forwarded_addr(ngx_http_request_t *r, ngx_addr_t *addr, - ngx_array_t *headers, ngx_str_t *value, ngx_array_t *proxies, - int recursive) -{ - ngx_int_t rc; - ngx_uint_t i, found; - ngx_table_elt_t **h; - - if (headers == NULL) { - return ngx_http_get_forwarded_addr_internal(r, addr, value->data, - value->len, proxies, - recursive); - } - - i = headers->nelts; - h = headers->elts; - - rc = NGX_DECLINED; - - found = 0; - - while (i-- > 0) { - rc = ngx_http_get_forwarded_addr_internal(r, addr, h[i]->value.data, - h[i]->value.len, proxies, - recursive); - - if (!recursive) { - break; - } - - if (rc == NGX_DECLINED && found) { - rc = NGX_DONE; - break; - } - - if (rc != NGX_OK) { - break; - } - - found = 1; - } - - return rc; -} - - -static ngx_int_t -ngx_http_get_forwarded_addr_internal(ngx_http_request_t *r, ngx_addr_t *addr, - u_char *xff, size_t xfflen, ngx_array_t *proxies, int recursive) -{ - u_char *p; - ngx_int_t rc; - ngx_addr_t paddr; - - if (ngx_cidr_match(addr->sockaddr, proxies) != NGX_OK) { - return NGX_DECLINED; - } - - for (p = xff + xfflen - 1; p > xff; p--, xfflen--) { - if (*p != ' ' && *p != ',') { - break; - } - } - - for ( /* void */ ; p > xff; p--) { - if (*p == ' ' || *p == ',') { - p++; - break; - } - } - - if (ngx_parse_addr_port(r->pool, &paddr, p, xfflen - (p - xff)) != NGX_OK) { - return NGX_DECLINED; - } - - *addr = paddr; - - if (recursive && p > xff) { - rc = ngx_http_get_forwarded_addr_internal(r, addr, xff, p - 1 - xff, - proxies, 1); - - if (rc == NGX_DECLINED) { - return NGX_DONE; - } - - /* rc == NGX_OK || rc == NGX_DONE */ - return rc; - } - - return NGX_OK; -} - - -static char * -ngx_http_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) -{ - char *rv; - void *mconf; - ngx_uint_t i; - ngx_conf_t pcf; - ngx_http_module_t *module; - struct sockaddr_in *sin; - ngx_http_conf_ctx_t *ctx, *http_ctx; - ngx_http_listen_opt_t lsopt; - ngx_http_core_srv_conf_t *cscf, **cscfp; - ngx_http_core_main_conf_t *cmcf; - - ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); - if (ctx == NULL) { - return NGX_CONF_ERROR; - } - - http_ctx = cf->ctx; - ctx->main_conf = http_ctx->main_conf; - - /* the server{}'s srv_conf */ - - ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); - if (ctx->srv_conf == NULL) { - return NGX_CONF_ERROR; - } - - /* the server{}'s loc_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_srv_conf) { - mconf = module->create_srv_conf(cf); - if (mconf == NULL) { - return NGX_CONF_ERROR; - } - - ctx->srv_conf[cf->cycle->modules[i]->ctx_index] = mconf; - } - - 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; - } - } - - - /* the server configuration context */ - - cscf = ctx->srv_conf[ngx_http_core_module.ctx_index]; - cscf->ctx = ctx; - - - cmcf = ctx->main_conf[ngx_http_core_module.ctx_index]; - - cscfp = ngx_array_push(&cmcf->servers); - if (cscfp == NULL) { - return NGX_CONF_ERROR; - } - - *cscfp = cscf; - - - /* parse inside server{} */ - - pcf = *cf; - cf->ctx = ctx; - cf->cmd_type = NGX_HTTP_SRV_CONF; - - rv = ngx_conf_parse(cf, NULL); - - *cf = pcf; - - if (rv == NGX_CONF_OK && !cscf->listen) { - ngx_memzero(&lsopt, sizeof(ngx_http_listen_opt_t)); - - sin = &lsopt.sockaddr.sockaddr_in; - - sin->sin_family = AF_INET; -#if (NGX_WIN32) - sin->sin_port = htons(80); -#else - sin->sin_port = htons((getuid() == 0) ? 80 : 8000); -#endif - sin->sin_addr.s_addr = INADDR_ANY; - - lsopt.socklen = sizeof(struct sockaddr_in); - - lsopt.backlog = NGX_LISTEN_BACKLOG; - lsopt.rcvbuf = -1; - lsopt.sndbuf = -1; -#if (NGX_HAVE_SETFIB) - lsopt.setfib = -1; -#endif -#if (NGX_HAVE_TCP_FASTOPEN) - lsopt.fastopen = -1; -#endif - lsopt.wildcard = 1; - - (void) ngx_sock_ntop(&lsopt.sockaddr.sockaddr, lsopt.socklen, - lsopt.addr, NGX_SOCKADDR_STRLEN, 1); - - if (ngx_http_add_listen(cf, cscf, &lsopt) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - - return rv; -} - - -static char * -ngx_http_core_location(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) -{ - char *rv; - u_char *mod; - size_t len; - ngx_str_t *value, *name; - 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; - - 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) { - ctx->loc_conf[cf->cycle->modules[i]->ctx_index] = - module->create_loc_conf(cf); - if (ctx->loc_conf[cf->cycle->modules[i]->ctx_index] == NULL) { - return NGX_CONF_ERROR; - } - } - } - - clcf = ctx->loc_conf[ngx_http_core_module.ctx_index]; - clcf->loc_conf = ctx->loc_conf; - - value = cf->args->elts; - - if (cf->args->nelts == 3) { - - len = value[1].len; - mod = value[1].data; - name = &value[2]; - - if (len == 1 && mod[0] == '=') { - - clcf->name = *name; - clcf->exact_match = 1; - - } else if (len == 2 && mod[0] == '^' && mod[1] == '~') { - - clcf->name = *name; - clcf->noregex = 1; - - } else if (len == 1 && mod[0] == '~') { - - if (ngx_http_core_regex_location(cf, clcf, name, 0) != NGX_OK) { - return NGX_CONF_ERROR; - } - - } else if (len == 2 && mod[0] == '~' && mod[1] == '*') { - - if (ngx_http_core_regex_location(cf, clcf, name, 1) != NGX_OK) { - return NGX_CONF_ERROR; - } - - } else { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid location modifier \"%V\"", &value[1]); - return NGX_CONF_ERROR; - } - - } else { - - name = &value[1]; - - if (name->data[0] == '=') { - - clcf->name.len = name->len - 1; - clcf->name.data = name->data + 1; - clcf->exact_match = 1; - - } else if (name->data[0] == '^' && name->data[1] == '~') { - - clcf->name.len = name->len - 2; - clcf->name.data = name->data + 2; - clcf->noregex = 1; - - } else if (name->data[0] == '~') { - - name->len--; - name->data++; - - if (name->data[0] == '*') { - - name->len--; - name->data++; - - if (ngx_http_core_regex_location(cf, clcf, name, 1) != NGX_OK) { - return NGX_CONF_ERROR; - } - - } else { - if (ngx_http_core_regex_location(cf, clcf, name, 0) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - - } else { - - clcf->name = *name; - - if (name->data[0] == '@') { - clcf->named = 1; - } - } - } - - pclcf = pctx->loc_conf[ngx_http_core_module.ctx_index]; - - if (cf->cmd_type == NGX_HTTP_LOC_CONF) { - - /* nested location */ - -#if 0 - clcf->prev_location = pclcf; -#endif - - if (pclcf->exact_match) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "location \"%V\" cannot be inside " - "the exact location \"%V\"", - &clcf->name, &pclcf->name); - return NGX_CONF_ERROR; - } - - if (pclcf->named) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "location \"%V\" cannot be inside " - "the named location \"%V\"", - &clcf->name, &pclcf->name); - return NGX_CONF_ERROR; - } - - if (clcf->named) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "named location \"%V\" can be " - "on the server level only", - &clcf->name); - return NGX_CONF_ERROR; - } - - len = pclcf->name.len; - -#if (NGX_PCRE) - if (clcf->regex == NULL - && ngx_filename_cmp(clcf->name.data, pclcf->name.data, len) != 0) -#else - if (ngx_filename_cmp(clcf->name.data, pclcf->name.data, len) != 0) -#endif - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "location \"%V\" is outside location \"%V\"", - &clcf->name, &pclcf->name); - return NGX_CONF_ERROR; - } - } - - if (ngx_http_add_location(cf, &pclcf->locations, clcf) != NGX_OK) { - return NGX_CONF_ERROR; - } - - save = *cf; - cf->ctx = ctx; - cf->cmd_type = NGX_HTTP_LOC_CONF; - - rv = ngx_conf_parse(cf, NULL); - - *cf = save; - - return rv; -} - - -static ngx_int_t -ngx_http_core_regex_location(ngx_conf_t *cf, ngx_http_core_loc_conf_t *clcf, - ngx_str_t *regex, ngx_uint_t caseless) -{ -#if (NGX_PCRE) - ngx_regex_compile_t rc; - u_char errstr[NGX_MAX_CONF_ERRSTR]; - - ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); - - rc.pattern = *regex; - rc.err.len = NGX_MAX_CONF_ERRSTR; - rc.err.data = errstr; - -#if (NGX_HAVE_CASELESS_FILESYSTEM) - rc.options = NGX_REGEX_CASELESS; -#else - rc.options = caseless ? NGX_REGEX_CASELESS : 0; -#endif - - clcf->regex = ngx_http_regex_compile(cf, &rc); - if (clcf->regex == NULL) { - return NGX_ERROR; - } - - clcf->name = *regex; - - 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_core_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = conf; - - char *rv; - ngx_conf_t save; - - if (clcf->types == NULL) { - clcf->types = ngx_array_create(cf->pool, 64, sizeof(ngx_hash_key_t)); - if (clcf->types == NULL) { - return NGX_CONF_ERROR; - } - } - - save = *cf; - cf->handler = ngx_http_core_type; - cf->handler_conf = conf; - - rv = ngx_conf_parse(cf, NULL); - - *cf = save; - - return rv; -} - - -static char * -ngx_http_core_type(ngx_conf_t *cf, ngx_command_t *dummy, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = conf; - - ngx_str_t *value, *content_type, *old; - ngx_uint_t i, n, hash; - ngx_hash_key_t *type; - - value = cf->args->elts; - - if (ngx_strcmp(value[0].data, "include") == 0) { - if (cf->args->nelts != 2) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid number of arguments" - " in \"include\" directive"); - return NGX_CONF_ERROR; - } - - return ngx_conf_include(cf, dummy, conf); - } - - content_type = ngx_palloc(cf->pool, sizeof(ngx_str_t)); - if (content_type == NULL) { - return NGX_CONF_ERROR; - } - - *content_type = value[0]; - - for (i = 1; i < cf->args->nelts; i++) { - - hash = ngx_hash_strlow(value[i].data, value[i].data, value[i].len); - - type = clcf->types->elts; - for (n = 0; n < clcf->types->nelts; n++) { - if (ngx_strcmp(value[i].data, type[n].key.data) == 0) { - old = type[n].value; - type[n].value = content_type; - - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "duplicate extension \"%V\", " - "content type: \"%V\", " - "previous content type: \"%V\"", - &value[i], content_type, old); - goto next; - } - } - - - type = ngx_array_push(clcf->types); - if (type == NULL) { - return NGX_CONF_ERROR; - } - - type->key = value[i]; - type->key_hash = hash; - type->value = content_type; - - next: - continue; - } - - return NGX_CONF_OK; -} - - -static ngx_int_t -ngx_http_core_preconfiguration(ngx_conf_t *cf) -{ - return ngx_http_variables_add_core_vars(cf); -} - - -static ngx_int_t -ngx_http_core_postconfiguration(ngx_conf_t *cf) -{ - ngx_http_top_request_body_filter = ngx_http_request_body_save_filter; - - return NGX_OK; -} - - -static void * -ngx_http_core_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_core_main_conf_t)); - if (cmcf == NULL) { - return NULL; - } - - if (ngx_array_init(&cmcf->servers, cf->pool, 4, - sizeof(ngx_http_core_srv_conf_t *)) - != NGX_OK) - { - return NULL; - } - - cmcf->server_names_hash_max_size = NGX_CONF_UNSET_UINT; - cmcf->server_names_hash_bucket_size = NGX_CONF_UNSET_UINT; - - cmcf->variables_hash_max_size = NGX_CONF_UNSET_UINT; - cmcf->variables_hash_bucket_size = NGX_CONF_UNSET_UINT; - - return cmcf; -} - - -static char * -ngx_http_core_init_main_conf(ngx_conf_t *cf, void *conf) -{ - ngx_http_core_main_conf_t *cmcf = conf; - - ngx_conf_init_uint_value(cmcf->server_names_hash_max_size, 512); - ngx_conf_init_uint_value(cmcf->server_names_hash_bucket_size, - ngx_cacheline_size); - - cmcf->server_names_hash_bucket_size = - ngx_align(cmcf->server_names_hash_bucket_size, ngx_cacheline_size); - - - ngx_conf_init_uint_value(cmcf->variables_hash_max_size, 1024); - ngx_conf_init_uint_value(cmcf->variables_hash_bucket_size, 64); - - cmcf->variables_hash_bucket_size = - ngx_align(cmcf->variables_hash_bucket_size, ngx_cacheline_size); - - if (cmcf->ncaptures) { - cmcf->ncaptures = (cmcf->ncaptures + 1) * 3; - } - - return NGX_CONF_OK; -} - - -static void * -ngx_http_core_create_srv_conf(ngx_conf_t *cf) -{ - ngx_http_core_srv_conf_t *cscf; - - cscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_core_srv_conf_t)); - if (cscf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->client_large_buffers.num = 0; - */ - - if (ngx_array_init(&cscf->server_names, cf->temp_pool, 4, - sizeof(ngx_http_server_name_t)) - != NGX_OK) - { - return NULL; - } - - cscf->connection_pool_size = NGX_CONF_UNSET_SIZE; - cscf->request_pool_size = NGX_CONF_UNSET_SIZE; - cscf->client_header_timeout = NGX_CONF_UNSET_MSEC; - cscf->client_header_buffer_size = NGX_CONF_UNSET_SIZE; - cscf->ignore_invalid_headers = NGX_CONF_UNSET; - cscf->merge_slashes = NGX_CONF_UNSET; - cscf->underscores_in_headers = NGX_CONF_UNSET; - - return cscf; -} - - -static char * -ngx_http_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_core_srv_conf_t *prev = parent; - ngx_http_core_srv_conf_t *conf = child; - - ngx_str_t name; - ngx_http_server_name_t *sn; - - /* TODO: it does not merge, it inits only */ - - ngx_conf_merge_size_value(conf->connection_pool_size, - prev->connection_pool_size, 64 * sizeof(void *)); - ngx_conf_merge_size_value(conf->request_pool_size, - prev->request_pool_size, 4096); - ngx_conf_merge_msec_value(conf->client_header_timeout, - prev->client_header_timeout, 60000); - ngx_conf_merge_size_value(conf->client_header_buffer_size, - prev->client_header_buffer_size, 1024); - ngx_conf_merge_bufs_value(conf->large_client_header_buffers, - prev->large_client_header_buffers, - 4, 8192); - - if (conf->large_client_header_buffers.size < conf->connection_pool_size) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the \"large_client_header_buffers\" size must be " - "equal to or greater than \"connection_pool_size\""); - return NGX_CONF_ERROR; - } - - ngx_conf_merge_value(conf->ignore_invalid_headers, - prev->ignore_invalid_headers, 1); - - ngx_conf_merge_value(conf->merge_slashes, prev->merge_slashes, 1); - - ngx_conf_merge_value(conf->underscores_in_headers, - prev->underscores_in_headers, 0); - - if (conf->server_names.nelts == 0) { - /* the array has 4 empty preallocated elements, so push cannot fail */ - sn = ngx_array_push(&conf->server_names); -#if (NGX_PCRE) - sn->regex = NULL; -#endif - sn->server = conf; - ngx_str_set(&sn->name, ""); - } - - sn = conf->server_names.elts; - name = sn[0].name; - -#if (NGX_PCRE) - if (sn->regex) { - name.len++; - name.data--; - } else -#endif - - if (name.data[0] == '.') { - name.len--; - name.data++; - } - - conf->server_name.len = name.len; - conf->server_name.data = ngx_pstrdup(cf->pool, &name); - if (conf->server_name.data == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static void * -ngx_http_core_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_core_loc_conf_t *clcf; - - clcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_core_loc_conf_t)); - if (clcf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * clcf->root = { 0, NULL }; - * clcf->limit_except = 0; - * clcf->post_action = { 0, NULL }; - * clcf->types = NULL; - * clcf->default_type = { 0, NULL }; - * clcf->error_log = NULL; - * clcf->error_pages = NULL; - * clcf->try_files = NULL; - * clcf->client_body_path = NULL; - * clcf->regex = NULL; - * clcf->exact_match = 0; - * clcf->auto_redirect = 0; - * clcf->alias = 0; - * clcf->gzip_proxied = 0; - * clcf->keepalive_disable = 0; - */ - - clcf->client_max_body_size = NGX_CONF_UNSET; - clcf->client_body_buffer_size = NGX_CONF_UNSET_SIZE; - clcf->client_body_timeout = NGX_CONF_UNSET_MSEC; - clcf->satisfy = NGX_CONF_UNSET_UINT; - clcf->if_modified_since = NGX_CONF_UNSET_UINT; - clcf->max_ranges = NGX_CONF_UNSET_UINT; - clcf->client_body_in_file_only = NGX_CONF_UNSET_UINT; - clcf->client_body_in_single_buffer = NGX_CONF_UNSET; - clcf->internal = NGX_CONF_UNSET; - clcf->sendfile = NGX_CONF_UNSET; - clcf->sendfile_max_chunk = NGX_CONF_UNSET_SIZE; - clcf->aio = NGX_CONF_UNSET; - clcf->aio_write = NGX_CONF_UNSET; -#if (NGX_THREADS) - clcf->thread_pool = NGX_CONF_UNSET_PTR; - clcf->thread_pool_value = NGX_CONF_UNSET_PTR; -#endif - clcf->read_ahead = NGX_CONF_UNSET_SIZE; - clcf->directio = NGX_CONF_UNSET; - clcf->directio_alignment = NGX_CONF_UNSET; - clcf->tcp_nopush = NGX_CONF_UNSET; - clcf->tcp_nodelay = NGX_CONF_UNSET; - clcf->send_timeout = NGX_CONF_UNSET_MSEC; - clcf->send_lowat = NGX_CONF_UNSET_SIZE; - clcf->postpone_output = NGX_CONF_UNSET_SIZE; - clcf->limit_rate = NGX_CONF_UNSET_SIZE; - clcf->limit_rate_after = NGX_CONF_UNSET_SIZE; - clcf->keepalive_timeout = NGX_CONF_UNSET_MSEC; - clcf->keepalive_header = NGX_CONF_UNSET; - clcf->keepalive_requests = NGX_CONF_UNSET_UINT; - clcf->lingering_close = NGX_CONF_UNSET_UINT; - clcf->lingering_time = NGX_CONF_UNSET_MSEC; - clcf->lingering_timeout = NGX_CONF_UNSET_MSEC; - clcf->resolver_timeout = NGX_CONF_UNSET_MSEC; - clcf->reset_timedout_connection = NGX_CONF_UNSET; - clcf->absolute_redirect = NGX_CONF_UNSET; - clcf->server_name_in_redirect = NGX_CONF_UNSET; - clcf->port_in_redirect = NGX_CONF_UNSET; - clcf->msie_padding = NGX_CONF_UNSET; - clcf->msie_refresh = NGX_CONF_UNSET; - clcf->log_not_found = NGX_CONF_UNSET; - clcf->log_subrequest = NGX_CONF_UNSET; - clcf->recursive_error_pages = NGX_CONF_UNSET; - clcf->chunked_transfer_encoding = NGX_CONF_UNSET; - clcf->etag = NGX_CONF_UNSET; - clcf->server_tokens = NGX_CONF_UNSET_UINT; - clcf->types_hash_max_size = NGX_CONF_UNSET_UINT; - clcf->types_hash_bucket_size = NGX_CONF_UNSET_UINT; - - clcf->open_file_cache = NGX_CONF_UNSET_PTR; - clcf->open_file_cache_valid = NGX_CONF_UNSET; - clcf->open_file_cache_min_uses = NGX_CONF_UNSET_UINT; - clcf->open_file_cache_errors = NGX_CONF_UNSET; - clcf->open_file_cache_events = NGX_CONF_UNSET; - -#if (NGX_HTTP_GZIP) - clcf->gzip_vary = NGX_CONF_UNSET; - clcf->gzip_http_version = NGX_CONF_UNSET_UINT; -#if (NGX_PCRE) - clcf->gzip_disable = NGX_CONF_UNSET_PTR; -#endif - clcf->gzip_disable_msie6 = 3; -#if (NGX_HTTP_DEGRADATION) - clcf->gzip_disable_degradation = 3; -#endif -#endif - -#if (NGX_HAVE_OPENAT) - clcf->disable_symlinks = NGX_CONF_UNSET_UINT; - clcf->disable_symlinks_from = NGX_CONF_UNSET_PTR; -#endif - - return clcf; -} - - -static ngx_str_t ngx_http_core_text_html_type = ngx_string("text/html"); -static ngx_str_t ngx_http_core_image_gif_type = ngx_string("image/gif"); -static ngx_str_t ngx_http_core_image_jpeg_type = ngx_string("image/jpeg"); - -static ngx_hash_key_t ngx_http_core_default_types[] = { - { ngx_string("html"), 0, &ngx_http_core_text_html_type }, - { ngx_string("gif"), 0, &ngx_http_core_image_gif_type }, - { ngx_string("jpg"), 0, &ngx_http_core_image_jpeg_type }, - { ngx_null_string, 0, NULL } -}; - - -static char * -ngx_http_core_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_core_loc_conf_t *prev = parent; - ngx_http_core_loc_conf_t *conf = child; - - ngx_uint_t i; - ngx_hash_key_t *type; - ngx_hash_init_t types_hash; - - if (conf->root.data == NULL) { - - conf->alias = prev->alias; - conf->root = prev->root; - conf->root_lengths = prev->root_lengths; - conf->root_values = prev->root_values; - - if (prev->root.data == NULL) { - ngx_str_set(&conf->root, "html"); - - if (ngx_conf_full_name(cf->cycle, &conf->root, 0) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - } - - if (conf->post_action.data == NULL) { - conf->post_action = prev->post_action; - } - - ngx_conf_merge_uint_value(conf->types_hash_max_size, - prev->types_hash_max_size, 1024); - - ngx_conf_merge_uint_value(conf->types_hash_bucket_size, - prev->types_hash_bucket_size, 64); - - conf->types_hash_bucket_size = ngx_align(conf->types_hash_bucket_size, - ngx_cacheline_size); - - /* - * the special handling of the "types" directive in the "http" section - * to inherit the http's conf->types_hash to all servers - */ - - if (prev->types && prev->types_hash.buckets == NULL) { - - types_hash.hash = &prev->types_hash; - types_hash.key = ngx_hash_key_lc; - types_hash.max_size = conf->types_hash_max_size; - types_hash.bucket_size = conf->types_hash_bucket_size; - types_hash.name = "types_hash"; - types_hash.pool = cf->pool; - types_hash.temp_pool = NULL; - - if (ngx_hash_init(&types_hash, prev->types->elts, prev->types->nelts) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - } - - if (conf->types == NULL) { - conf->types = prev->types; - conf->types_hash = prev->types_hash; - } - - if (conf->types == NULL) { - conf->types = ngx_array_create(cf->pool, 3, sizeof(ngx_hash_key_t)); - if (conf->types == NULL) { - return NGX_CONF_ERROR; - } - - for (i = 0; ngx_http_core_default_types[i].key.len; i++) { - type = ngx_array_push(conf->types); - if (type == NULL) { - return NGX_CONF_ERROR; - } - - type->key = ngx_http_core_default_types[i].key; - type->key_hash = - ngx_hash_key_lc(ngx_http_core_default_types[i].key.data, - ngx_http_core_default_types[i].key.len); - type->value = ngx_http_core_default_types[i].value; - } - } - - if (conf->types_hash.buckets == NULL) { - - types_hash.hash = &conf->types_hash; - types_hash.key = ngx_hash_key_lc; - types_hash.max_size = conf->types_hash_max_size; - types_hash.bucket_size = conf->types_hash_bucket_size; - types_hash.name = "types_hash"; - types_hash.pool = cf->pool; - types_hash.temp_pool = NULL; - - if (ngx_hash_init(&types_hash, conf->types->elts, conf->types->nelts) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - } - - if (conf->error_log == NULL) { - if (prev->error_log) { - conf->error_log = prev->error_log; - } else { - conf->error_log = &cf->cycle->new_log; - } - } - - if (conf->error_pages == NULL && prev->error_pages) { - conf->error_pages = prev->error_pages; - } - - ngx_conf_merge_str_value(conf->default_type, - prev->default_type, "text/plain"); - - ngx_conf_merge_off_value(conf->client_max_body_size, - prev->client_max_body_size, 1 * 1024 * 1024); - ngx_conf_merge_size_value(conf->client_body_buffer_size, - prev->client_body_buffer_size, - (size_t) 2 * ngx_pagesize); - ngx_conf_merge_msec_value(conf->client_body_timeout, - prev->client_body_timeout, 60000); - - ngx_conf_merge_bitmask_value(conf->keepalive_disable, - prev->keepalive_disable, - (NGX_CONF_BITMASK_SET - |NGX_HTTP_KEEPALIVE_DISABLE_MSIE6)); - ngx_conf_merge_uint_value(conf->satisfy, prev->satisfy, - NGX_HTTP_SATISFY_ALL); - ngx_conf_merge_uint_value(conf->if_modified_since, prev->if_modified_since, - NGX_HTTP_IMS_EXACT); - ngx_conf_merge_uint_value(conf->max_ranges, prev->max_ranges, - NGX_MAX_INT32_VALUE); - ngx_conf_merge_uint_value(conf->client_body_in_file_only, - prev->client_body_in_file_only, - NGX_HTTP_REQUEST_BODY_FILE_OFF); - ngx_conf_merge_value(conf->client_body_in_single_buffer, - prev->client_body_in_single_buffer, 0); - ngx_conf_merge_value(conf->internal, prev->internal, 0); - ngx_conf_merge_value(conf->sendfile, prev->sendfile, 0); - ngx_conf_merge_size_value(conf->sendfile_max_chunk, - prev->sendfile_max_chunk, 0); - ngx_conf_merge_value(conf->aio, prev->aio, NGX_HTTP_AIO_OFF); - ngx_conf_merge_value(conf->aio_write, prev->aio_write, 0); -#if (NGX_THREADS) - ngx_conf_merge_ptr_value(conf->thread_pool, prev->thread_pool, NULL); - ngx_conf_merge_ptr_value(conf->thread_pool_value, prev->thread_pool_value, - NULL); -#endif - ngx_conf_merge_size_value(conf->read_ahead, prev->read_ahead, 0); - ngx_conf_merge_off_value(conf->directio, prev->directio, - NGX_OPEN_FILE_DIRECTIO_OFF); - ngx_conf_merge_off_value(conf->directio_alignment, prev->directio_alignment, - 512); - ngx_conf_merge_value(conf->tcp_nopush, prev->tcp_nopush, 0); - ngx_conf_merge_value(conf->tcp_nodelay, prev->tcp_nodelay, 1); - - ngx_conf_merge_msec_value(conf->send_timeout, prev->send_timeout, 60000); - ngx_conf_merge_size_value(conf->send_lowat, prev->send_lowat, 0); - ngx_conf_merge_size_value(conf->postpone_output, prev->postpone_output, - 1460); - ngx_conf_merge_size_value(conf->limit_rate, prev->limit_rate, 0); - ngx_conf_merge_size_value(conf->limit_rate_after, prev->limit_rate_after, - 0); - ngx_conf_merge_msec_value(conf->keepalive_timeout, - prev->keepalive_timeout, 75000); - ngx_conf_merge_sec_value(conf->keepalive_header, - prev->keepalive_header, 0); - ngx_conf_merge_uint_value(conf->keepalive_requests, - prev->keepalive_requests, 100); - ngx_conf_merge_uint_value(conf->lingering_close, - prev->lingering_close, NGX_HTTP_LINGERING_ON); - ngx_conf_merge_msec_value(conf->lingering_time, - prev->lingering_time, 30000); - ngx_conf_merge_msec_value(conf->lingering_timeout, - prev->lingering_timeout, 5000); - ngx_conf_merge_msec_value(conf->resolver_timeout, - prev->resolver_timeout, 30000); - - if (conf->resolver == NULL) { - - if (prev->resolver == NULL) { - - /* - * create dummy resolver in http {} context - * to inherit it in all servers - */ - - prev->resolver = ngx_resolver_create(cf, NULL, 0); - if (prev->resolver == NULL) { - return NGX_CONF_ERROR; - } - } - - conf->resolver = prev->resolver; - } - - if (ngx_conf_merge_path_value(cf, &conf->client_body_temp_path, - prev->client_body_temp_path, - &ngx_http_client_temp_path) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - ngx_conf_merge_value(conf->reset_timedout_connection, - prev->reset_timedout_connection, 0); - ngx_conf_merge_value(conf->absolute_redirect, - prev->absolute_redirect, 1); - ngx_conf_merge_value(conf->server_name_in_redirect, - prev->server_name_in_redirect, 0); - ngx_conf_merge_value(conf->port_in_redirect, prev->port_in_redirect, 1); - ngx_conf_merge_value(conf->msie_padding, prev->msie_padding, 1); - ngx_conf_merge_value(conf->msie_refresh, prev->msie_refresh, 0); - ngx_conf_merge_value(conf->log_not_found, prev->log_not_found, 1); - ngx_conf_merge_value(conf->log_subrequest, prev->log_subrequest, 0); - ngx_conf_merge_value(conf->recursive_error_pages, - prev->recursive_error_pages, 0); - ngx_conf_merge_value(conf->chunked_transfer_encoding, - prev->chunked_transfer_encoding, 1); - ngx_conf_merge_value(conf->etag, prev->etag, 1); - - ngx_conf_merge_uint_value(conf->server_tokens, prev->server_tokens, - NGX_HTTP_SERVER_TOKENS_ON); - - ngx_conf_merge_ptr_value(conf->open_file_cache, - prev->open_file_cache, NULL); - - ngx_conf_merge_sec_value(conf->open_file_cache_valid, - prev->open_file_cache_valid, 60); - - ngx_conf_merge_uint_value(conf->open_file_cache_min_uses, - prev->open_file_cache_min_uses, 1); - - ngx_conf_merge_sec_value(conf->open_file_cache_errors, - prev->open_file_cache_errors, 0); - - ngx_conf_merge_sec_value(conf->open_file_cache_events, - prev->open_file_cache_events, 0); -#if (NGX_HTTP_GZIP) - - ngx_conf_merge_value(conf->gzip_vary, prev->gzip_vary, 0); - ngx_conf_merge_uint_value(conf->gzip_http_version, prev->gzip_http_version, - NGX_HTTP_VERSION_11); - ngx_conf_merge_bitmask_value(conf->gzip_proxied, prev->gzip_proxied, - (NGX_CONF_BITMASK_SET|NGX_HTTP_GZIP_PROXIED_OFF)); - -#if (NGX_PCRE) - ngx_conf_merge_ptr_value(conf->gzip_disable, prev->gzip_disable, NULL); -#endif - - if (conf->gzip_disable_msie6 == 3) { - conf->gzip_disable_msie6 = - (prev->gzip_disable_msie6 == 3) ? 0 : prev->gzip_disable_msie6; - } - -#if (NGX_HTTP_DEGRADATION) - - if (conf->gzip_disable_degradation == 3) { - conf->gzip_disable_degradation = - (prev->gzip_disable_degradation == 3) ? - 0 : prev->gzip_disable_degradation; - } - -#endif -#endif - -#if (NGX_HAVE_OPENAT) - ngx_conf_merge_uint_value(conf->disable_symlinks, prev->disable_symlinks, - NGX_DISABLE_SYMLINKS_OFF); - ngx_conf_merge_ptr_value(conf->disable_symlinks_from, - prev->disable_symlinks_from, NULL); -#endif - - return NGX_CONF_OK; -} - - -static char * -ngx_http_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_srv_conf_t *cscf = conf; - - ngx_str_t *value, size; - ngx_url_t u; - ngx_uint_t n; - ngx_http_listen_opt_t lsopt; - - cscf->listen = 1; - - value = cf->args->elts; - - ngx_memzero(&u, sizeof(ngx_url_t)); - - u.url = value[1]; - u.listen = 1; - u.default_port = 80; - - if (ngx_parse_url(cf->pool, &u) != NGX_OK) { - if (u.err) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "%s in \"%V\" of the \"listen\" directive", - u.err, &u.url); - } - - return NGX_CONF_ERROR; - } - - ngx_memzero(&lsopt, sizeof(ngx_http_listen_opt_t)); - - ngx_memcpy(&lsopt.sockaddr.sockaddr, &u.sockaddr, u.socklen); - - lsopt.socklen = u.socklen; - lsopt.backlog = NGX_LISTEN_BACKLOG; - lsopt.rcvbuf = -1; - lsopt.sndbuf = -1; -#if (NGX_HAVE_SETFIB) - lsopt.setfib = -1; -#endif -#if (NGX_HAVE_TCP_FASTOPEN) - lsopt.fastopen = -1; -#endif - lsopt.wildcard = u.wildcard; -#if (NGX_HAVE_INET6) - lsopt.ipv6only = 1; -#endif - - (void) ngx_sock_ntop(&lsopt.sockaddr.sockaddr, lsopt.socklen, lsopt.addr, - NGX_SOCKADDR_STRLEN, 1); - - for (n = 2; n < cf->args->nelts; n++) { - - if (ngx_strcmp(value[n].data, "default_server") == 0 - || ngx_strcmp(value[n].data, "default") == 0) - { - lsopt.default_server = 1; - continue; - } - - if (ngx_strcmp(value[n].data, "bind") == 0) { - lsopt.set = 1; - lsopt.bind = 1; - continue; - } - -#if (NGX_HAVE_SETFIB) - if (ngx_strncmp(value[n].data, "setfib=", 7) == 0) { - lsopt.setfib = ngx_atoi(value[n].data + 7, value[n].len - 7); - lsopt.set = 1; - lsopt.bind = 1; - - if (lsopt.setfib == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid setfib \"%V\"", &value[n]); - return NGX_CONF_ERROR; - } - - continue; - } -#endif - -#if (NGX_HAVE_TCP_FASTOPEN) - if (ngx_strncmp(value[n].data, "fastopen=", 9) == 0) { - lsopt.fastopen = ngx_atoi(value[n].data + 9, value[n].len - 9); - lsopt.set = 1; - lsopt.bind = 1; - - if (lsopt.fastopen == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid fastopen \"%V\"", &value[n]); - return NGX_CONF_ERROR; - } - - continue; - } -#endif - - if (ngx_strncmp(value[n].data, "backlog=", 8) == 0) { - lsopt.backlog = ngx_atoi(value[n].data + 8, value[n].len - 8); - lsopt.set = 1; - lsopt.bind = 1; - - if (lsopt.backlog == NGX_ERROR || lsopt.backlog == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid backlog \"%V\"", &value[n]); - return NGX_CONF_ERROR; - } - - continue; - } - - if (ngx_strncmp(value[n].data, "rcvbuf=", 7) == 0) { - size.len = value[n].len - 7; - size.data = value[n].data + 7; - - lsopt.rcvbuf = ngx_parse_size(&size); - lsopt.set = 1; - lsopt.bind = 1; - - if (lsopt.rcvbuf == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid rcvbuf \"%V\"", &value[n]); - return NGX_CONF_ERROR; - } - - continue; - } - - if (ngx_strncmp(value[n].data, "sndbuf=", 7) == 0) { - size.len = value[n].len - 7; - size.data = value[n].data + 7; - - lsopt.sndbuf = ngx_parse_size(&size); - lsopt.set = 1; - lsopt.bind = 1; - - if (lsopt.sndbuf == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid sndbuf \"%V\"", &value[n]); - return NGX_CONF_ERROR; - } - - continue; - } - - if (ngx_strncmp(value[n].data, "accept_filter=", 14) == 0) { -#if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) - lsopt.accept_filter = (char *) &value[n].data[14]; - lsopt.set = 1; - lsopt.bind = 1; -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "accept filters \"%V\" are not supported " - "on this platform, ignored", - &value[n]); -#endif - continue; - } - - if (ngx_strcmp(value[n].data, "deferred") == 0) { -#if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) - lsopt.deferred_accept = 1; - lsopt.set = 1; - lsopt.bind = 1; -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the deferred accept is not supported " - "on this platform, ignored"); -#endif - continue; - } - - if (ngx_strncmp(value[n].data, "ipv6only=o", 10) == 0) { -#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) - struct sockaddr *sa; - - sa = &lsopt.sockaddr.sockaddr; - - if (sa->sa_family == AF_INET6) { - - if (ngx_strcmp(&value[n].data[10], "n") == 0) { - lsopt.ipv6only = 1; - - } else if (ngx_strcmp(&value[n].data[10], "ff") == 0) { - lsopt.ipv6only = 0; - - } else { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid ipv6only flags \"%s\"", - &value[n].data[9]); - return NGX_CONF_ERROR; - } - - lsopt.set = 1; - lsopt.bind = 1; - - } else { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "ipv6only is not supported " - "on addr \"%s\", ignored", lsopt.addr); - } - - continue; -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "ipv6only is not supported " - "on this platform"); - return NGX_CONF_ERROR; -#endif - } - - if (ngx_strcmp(value[n].data, "reuseport") == 0) { -#if (NGX_HAVE_REUSEPORT) - lsopt.reuseport = 1; - lsopt.set = 1; - lsopt.bind = 1; -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "reuseport is not supported " - "on this platform, ignored"); -#endif - continue; - } - - if (ngx_strcmp(value[n].data, "ssl") == 0) { -#if (NGX_HTTP_SSL) - lsopt.ssl = 1; - continue; -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the \"ssl\" parameter requires " - "ngx_http_ssl_module"); - return NGX_CONF_ERROR; -#endif - } - - if (ngx_strcmp(value[n].data, "http2") == 0) { -#if (NGX_HTTP_V2) - lsopt.http2 = 1; - continue; -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the \"http2\" parameter requires " - "ngx_http_v2_module"); - return NGX_CONF_ERROR; -#endif - } - - if (ngx_strcmp(value[n].data, "spdy") == 0) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "invalid parameter \"spdy\": " - "ngx_http_spdy_module was superseded " - "by ngx_http_v2_module"); - continue; - } - - if (ngx_strncmp(value[n].data, "so_keepalive=", 13) == 0) { - - if (ngx_strcmp(&value[n].data[13], "on") == 0) { - lsopt.so_keepalive = 1; - - } else if (ngx_strcmp(&value[n].data[13], "off") == 0) { - lsopt.so_keepalive = 2; - - } else { - -#if (NGX_HAVE_KEEPALIVE_TUNABLE) - u_char *p, *end; - ngx_str_t s; - - end = value[n].data + value[n].len; - s.data = value[n].data + 13; - - p = ngx_strlchr(s.data, end, ':'); - if (p == NULL) { - p = end; - } - - if (p > s.data) { - s.len = p - s.data; - - lsopt.tcp_keepidle = ngx_parse_time(&s, 1); - if (lsopt.tcp_keepidle == (time_t) NGX_ERROR) { - goto invalid_so_keepalive; - } - } - - s.data = (p < end) ? (p + 1) : end; - - p = ngx_strlchr(s.data, end, ':'); - if (p == NULL) { - p = end; - } - - if (p > s.data) { - s.len = p - s.data; - - lsopt.tcp_keepintvl = ngx_parse_time(&s, 1); - if (lsopt.tcp_keepintvl == (time_t) NGX_ERROR) { - goto invalid_so_keepalive; - } - } - - s.data = (p < end) ? (p + 1) : end; - - if (s.data < end) { - s.len = end - s.data; - - lsopt.tcp_keepcnt = ngx_atoi(s.data, s.len); - if (lsopt.tcp_keepcnt == NGX_ERROR) { - goto invalid_so_keepalive; - } - } - - if (lsopt.tcp_keepidle == 0 && lsopt.tcp_keepintvl == 0 - && lsopt.tcp_keepcnt == 0) - { - goto invalid_so_keepalive; - } - - lsopt.so_keepalive = 1; - -#else - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the \"so_keepalive\" parameter accepts " - "only \"on\" or \"off\" on this platform"); - return NGX_CONF_ERROR; - -#endif - } - - lsopt.set = 1; - lsopt.bind = 1; - - continue; - -#if (NGX_HAVE_KEEPALIVE_TUNABLE) - invalid_so_keepalive: - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid so_keepalive value: \"%s\"", - &value[n].data[13]); - return NGX_CONF_ERROR; -#endif - } - - if (ngx_strcmp(value[n].data, "proxy_protocol") == 0) { - lsopt.proxy_protocol = 1; - continue; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[n]); - return NGX_CONF_ERROR; - } - - if (ngx_http_add_listen(cf, cscf, &lsopt) == NGX_OK) { - return NGX_CONF_OK; - } - - return NGX_CONF_ERROR; -} - - -static char * -ngx_http_core_server_name(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_srv_conf_t *cscf = conf; - - u_char ch; - ngx_str_t *value; - ngx_uint_t i; - ngx_http_server_name_t *sn; - - value = cf->args->elts; - - for (i = 1; i < cf->args->nelts; i++) { - - ch = value[i].data[0]; - - if ((ch == '*' && (value[i].len < 3 || value[i].data[1] != '.')) - || (ch == '.' && value[i].len < 2)) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "server name \"%V\" is invalid", &value[i]); - return NGX_CONF_ERROR; - } - - if (ngx_strchr(value[i].data, '/')) { - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "server name \"%V\" has suspicious symbols", - &value[i]); - } - - sn = ngx_array_push(&cscf->server_names); - if (sn == NULL) { - return NGX_CONF_ERROR; - } - -#if (NGX_PCRE) - sn->regex = NULL; -#endif - sn->server = cscf; - - if (ngx_strcasecmp(value[i].data, (u_char *) "$hostname") == 0) { - sn->name = cf->cycle->hostname; - - } else { - sn->name = value[i]; - } - - if (value[i].data[0] != '~') { - ngx_strlow(sn->name.data, sn->name.data, sn->name.len); - continue; - } - -#if (NGX_PCRE) - { - u_char *p; - ngx_regex_compile_t rc; - u_char errstr[NGX_MAX_CONF_ERRSTR]; - - if (value[i].len == 1) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "empty regex in server name \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - value[i].len--; - value[i].data++; - - ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); - - rc.pattern = value[i]; - rc.err.len = NGX_MAX_CONF_ERRSTR; - rc.err.data = errstr; - - for (p = value[i].data; p < value[i].data + value[i].len; p++) { - if (*p >= 'A' && *p <= 'Z') { - rc.options = NGX_REGEX_CASELESS; - break; - } - } - - sn->regex = ngx_http_regex_compile(cf, &rc); - if (sn->regex == NULL) { - return NGX_CONF_ERROR; - } - - sn->name = value[i]; - cscf->captures = (rc.captures > 0); - } -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "using regex \"%V\" " - "requires PCRE library", &value[i]); - - return NGX_CONF_ERROR; -#endif - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_core_root(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = conf; - - ngx_str_t *value; - ngx_int_t alias; - ngx_uint_t n; - ngx_http_script_compile_t sc; - - alias = (cmd->name.len == sizeof("alias") - 1) ? 1 : 0; - - if (clcf->root.data) { - - if ((clcf->alias != 0) == alias) { - return "is duplicate"; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"%V\" directive is duplicate, " - "\"%s\" directive was specified earlier", - &cmd->name, clcf->alias ? "alias" : "root"); - - return NGX_CONF_ERROR; - } - - if (clcf->named && alias) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the \"alias\" directive cannot be used " - "inside the named location"); - - return NGX_CONF_ERROR; - } - - value = cf->args->elts; - - if (ngx_strstr(value[1].data, "$document_root") - || ngx_strstr(value[1].data, "${document_root}")) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the $document_root variable cannot be used " - "in the \"%V\" directive", - &cmd->name); - - return NGX_CONF_ERROR; - } - - if (ngx_strstr(value[1].data, "$realpath_root") - || ngx_strstr(value[1].data, "${realpath_root}")) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the $realpath_root variable cannot be used " - "in the \"%V\" directive", - &cmd->name); - - return NGX_CONF_ERROR; - } - - clcf->alias = alias ? clcf->name.len : 0; - clcf->root = value[1]; - - if (!alias && clcf->root.len > 0 - && clcf->root.data[clcf->root.len - 1] == '/') - { - clcf->root.len--; - } - - if (clcf->root.data[0] != '$') { - if (ngx_conf_full_name(cf->cycle, &clcf->root, 0) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - - n = ngx_http_script_variables_count(&clcf->root); - - ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); - sc.variables = n; - -#if (NGX_PCRE) - if (alias && clcf->regex) { - clcf->alias = NGX_MAX_SIZE_T_VALUE; - n = 1; - } -#endif - - if (n) { - sc.cf = cf; - sc.source = &clcf->root; - sc.lengths = &clcf->root_lengths; - sc.values = &clcf->root_values; - sc.complete_lengths = 1; - sc.complete_values = 1; - - if (ngx_http_script_compile(&sc) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - - return NGX_CONF_OK; -} - - -static ngx_http_method_name_t ngx_methods_names[] = { - { (u_char *) "GET", (uint32_t) ~NGX_HTTP_GET }, - { (u_char *) "HEAD", (uint32_t) ~NGX_HTTP_HEAD }, - { (u_char *) "POST", (uint32_t) ~NGX_HTTP_POST }, - { (u_char *) "PUT", (uint32_t) ~NGX_HTTP_PUT }, - { (u_char *) "DELETE", (uint32_t) ~NGX_HTTP_DELETE }, - { (u_char *) "MKCOL", (uint32_t) ~NGX_HTTP_MKCOL }, - { (u_char *) "COPY", (uint32_t) ~NGX_HTTP_COPY }, - { (u_char *) "MOVE", (uint32_t) ~NGX_HTTP_MOVE }, - { (u_char *) "OPTIONS", (uint32_t) ~NGX_HTTP_OPTIONS }, - { (u_char *) "PROPFIND", (uint32_t) ~NGX_HTTP_PROPFIND }, - { (u_char *) "PROPPATCH", (uint32_t) ~NGX_HTTP_PROPPATCH }, - { (u_char *) "LOCK", (uint32_t) ~NGX_HTTP_LOCK }, - { (u_char *) "UNLOCK", (uint32_t) ~NGX_HTTP_UNLOCK }, - { (u_char *) "PATCH", (uint32_t) ~NGX_HTTP_PATCH }, - { NULL, 0 } -}; - - -static char * -ngx_http_core_limit_except(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *pclcf = conf; - - char *rv; - void *mconf; - ngx_str_t *value; - ngx_uint_t i; - ngx_conf_t save; - ngx_http_module_t *module; - ngx_http_conf_ctx_t *ctx, *pctx; - ngx_http_method_name_t *name; - ngx_http_core_loc_conf_t *clcf; - - if (pclcf->limit_except) { - return "is duplicate"; - } - - pclcf->limit_except = 0xffffffff; - - value = cf->args->elts; - - for (i = 1; i < cf->args->nelts; i++) { - for (name = ngx_methods_names; name->name; name++) { - - if (ngx_strcasecmp(value[i].data, name->name) == 0) { - pclcf->limit_except &= name->method; - goto next; - } - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid method \"%V\"", &value[i]); - return NGX_CONF_ERROR; - - next: - continue; - } - - if (!(pclcf->limit_except & NGX_HTTP_GET)) { - pclcf->limit_except &= (uint32_t) ~NGX_HTTP_HEAD; - } - - 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; - } - } - - - clcf = ctx->loc_conf[ngx_http_core_module.ctx_index]; - pclcf->limit_except_loc_conf = ctx->loc_conf; - clcf->loc_conf = ctx->loc_conf; - clcf->name = pclcf->name; - clcf->noname = 1; - clcf->lmt_excpt = 1; - - if (ngx_http_add_location(cf, &pclcf->locations, clcf) != NGX_OK) { - return NGX_CONF_ERROR; - } - - save = *cf; - cf->ctx = ctx; - cf->cmd_type = NGX_HTTP_LMT_CONF; - - rv = ngx_conf_parse(cf, NULL); - - *cf = save; - - return rv; -} - - -static char * -ngx_http_core_set_aio(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = conf; - - ngx_str_t *value; - - if (clcf->aio != NGX_CONF_UNSET) { - return "is duplicate"; - } - -#if (NGX_THREADS) - clcf->thread_pool = NULL; - clcf->thread_pool_value = NULL; -#endif - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "off") == 0) { - clcf->aio = NGX_HTTP_AIO_OFF; - return NGX_CONF_OK; - } - - if (ngx_strcmp(value[1].data, "on") == 0) { -#if (NGX_HAVE_FILE_AIO) - clcf->aio = NGX_HTTP_AIO_ON; - return NGX_CONF_OK; -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"aio on\" " - "is unsupported on this platform"); - return NGX_CONF_ERROR; -#endif - } - -#if (NGX_HAVE_AIO_SENDFILE) - - if (ngx_strcmp(value[1].data, "sendfile") == 0) { - clcf->aio = NGX_HTTP_AIO_ON; - - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "the \"sendfile\" parameter of " - "the \"aio\" directive is deprecated"); - return NGX_CONF_OK; - } - -#endif - - if (ngx_strncmp(value[1].data, "threads", 7) == 0 - && (value[1].len == 7 || value[1].data[7] == '=')) - { -#if (NGX_THREADS) - ngx_str_t name; - ngx_thread_pool_t *tp; - ngx_http_complex_value_t cv; - ngx_http_compile_complex_value_t ccv; - - clcf->aio = NGX_HTTP_AIO_THREADS; - - if (value[1].len >= 8) { - name.len = value[1].len - 8; - name.data = value[1].data + 8; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &name; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (cv.lengths != NULL) { - clcf->thread_pool_value = ngx_palloc(cf->pool, - sizeof(ngx_http_complex_value_t)); - if (clcf->thread_pool_value == NULL) { - return NGX_CONF_ERROR; - } - - *clcf->thread_pool_value = cv; - - return NGX_CONF_OK; - } - - tp = ngx_thread_pool_add(cf, &name); - - } else { - tp = ngx_thread_pool_add(cf, NULL); - } - - if (tp == NULL) { - return NGX_CONF_ERROR; - } - - clcf->thread_pool = tp; - - return NGX_CONF_OK; -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"aio threads\" " - "is unsupported on this platform"); - return NGX_CONF_ERROR; -#endif - } - - return "invalid value"; -} - - -static char * -ngx_http_core_directio(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = conf; - - ngx_str_t *value; - - if (clcf->directio != NGX_CONF_UNSET) { - return "is duplicate"; - } - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "off") == 0) { - clcf->directio = NGX_OPEN_FILE_DIRECTIO_OFF; - return NGX_CONF_OK; - } - - clcf->directio = ngx_parse_offset(&value[1]); - if (clcf->directio == (off_t) NGX_ERROR) { - return "invalid value"; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_core_error_page(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = conf; - - u_char *p; - ngx_int_t overwrite; - ngx_str_t *value, uri, args; - ngx_uint_t i, n; - ngx_http_err_page_t *err; - ngx_http_complex_value_t cv; - ngx_http_compile_complex_value_t ccv; - - if (clcf->error_pages == NULL) { - clcf->error_pages = ngx_array_create(cf->pool, 4, - sizeof(ngx_http_err_page_t)); - if (clcf->error_pages == NULL) { - return NGX_CONF_ERROR; - } - } - - value = cf->args->elts; - - i = cf->args->nelts - 2; - - if (value[i].data[0] == '=') { - if (i == 1) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid value \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - if (value[i].len > 1) { - overwrite = ngx_atoi(&value[i].data[1], value[i].len - 1); - - if (overwrite == NGX_ERROR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid value \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - } else { - overwrite = 0; - } - - n = 2; - - } else { - overwrite = -1; - n = 1; - } - - uri = value[cf->args->nelts - 1]; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &uri; - ccv.complex_value = &cv; - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - ngx_str_null(&args); - - if (cv.lengths == NULL && uri.len && uri.data[0] == '/') { - p = (u_char *) ngx_strchr(uri.data, '?'); - - if (p) { - cv.value.len = p - uri.data; - cv.value.data = uri.data; - p++; - args.len = (uri.data + uri.len) - p; - args.data = p; - } - } - - for (i = 1; i < cf->args->nelts - n; i++) { - err = ngx_array_push(clcf->error_pages); - if (err == NULL) { - return NGX_CONF_ERROR; - } - - err->status = ngx_atoi(value[i].data, value[i].len); - - if (err->status == NGX_ERROR || err->status == 499) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid value \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - if (err->status < 300 || err->status > 599) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "value \"%V\" must be between 300 and 599", - &value[i]); - return NGX_CONF_ERROR; - } - - err->overwrite = overwrite; - - if (overwrite == -1) { - switch (err->status) { - case NGX_HTTP_TO_HTTPS: - case NGX_HTTPS_CERT_ERROR: - case NGX_HTTPS_NO_CERT: - err->overwrite = NGX_HTTP_BAD_REQUEST; - } - } - - err->value = cv; - err->args = args; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_core_try_files(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = 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; - ngx_http_core_main_conf_t *cmcf; - - if (clcf->try_files) { - return "is duplicate"; - } - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - cmcf->try_files = 1; - - tf = ngx_pcalloc(cf->pool, cf->args->nelts * sizeof(ngx_http_try_file_t)); - if (tf == NULL) { - return NGX_CONF_ERROR; - } - - clcf->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 char * -ngx_http_core_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = conf; - - time_t inactive; - ngx_str_t *value, s; - ngx_int_t max; - ngx_uint_t i; - - if (clcf->open_file_cache != NGX_CONF_UNSET_PTR) { - return "is duplicate"; - } - - value = cf->args->elts; - - max = 0; - inactive = 60; - - 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 <= 0) { - 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_strcmp(value[i].data, "off") == 0) { - - clcf->open_file_cache = NULL; - - continue; - } - - failed: - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid \"open_file_cache\" parameter \"%V\"", - &value[i]); - return NGX_CONF_ERROR; - } - - if (clcf->open_file_cache == NULL) { - return NGX_CONF_OK; - } - - if (max == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"open_file_cache\" must have the \"max\" parameter"); - return NGX_CONF_ERROR; - } - - clcf->open_file_cache = ngx_open_file_cache_init(cf->pool, max, inactive); - if (clcf->open_file_cache) { - return NGX_CONF_OK; - } - - return NGX_CONF_ERROR; -} - - -static char * -ngx_http_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = conf; - - return ngx_log_set_log(cf, &clcf->error_log); -} - - -static char * -ngx_http_core_keepalive(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = conf; - - ngx_str_t *value; - - if (clcf->keepalive_timeout != NGX_CONF_UNSET_MSEC) { - return "is duplicate"; - } - - value = cf->args->elts; - - clcf->keepalive_timeout = ngx_parse_time(&value[1], 0); - - if (clcf->keepalive_timeout == (ngx_msec_t) NGX_ERROR) { - return "invalid value"; - } - - if (cf->args->nelts == 2) { - return NGX_CONF_OK; - } - - clcf->keepalive_header = ngx_parse_time(&value[2], 1); - - if (clcf->keepalive_header == (time_t) NGX_ERROR) { - return "invalid value"; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_core_internal(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = conf; - - if (clcf->internal != NGX_CONF_UNSET) { - return "is duplicate"; - } - - clcf->internal = 1; - - return NGX_CONF_OK; -} - - -static char * -ngx_http_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = conf; - - ngx_str_t *value; - - if (clcf->resolver) { - return "is duplicate"; - } - - value = cf->args->elts; - - clcf->resolver = ngx_resolver_create(cf, &value[1], cf->args->nelts - 1); - if (clcf->resolver == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -#if (NGX_HTTP_GZIP) - -static char * -ngx_http_gzip_disable(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = conf; - -#if (NGX_PCRE) - - ngx_str_t *value; - ngx_uint_t i; - ngx_regex_elt_t *re; - ngx_regex_compile_t rc; - u_char errstr[NGX_MAX_CONF_ERRSTR]; - - if (clcf->gzip_disable == NGX_CONF_UNSET_PTR) { - clcf->gzip_disable = ngx_array_create(cf->pool, 2, - sizeof(ngx_regex_elt_t)); - if (clcf->gzip_disable == NULL) { - return NGX_CONF_ERROR; - } - } - - value = cf->args->elts; - - ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); - - rc.pool = cf->pool; - rc.err.len = NGX_MAX_CONF_ERRSTR; - rc.err.data = errstr; - - for (i = 1; i < cf->args->nelts; i++) { - - if (ngx_strcmp(value[i].data, "msie6") == 0) { - clcf->gzip_disable_msie6 = 1; - continue; - } - -#if (NGX_HTTP_DEGRADATION) - - if (ngx_strcmp(value[i].data, "degradation") == 0) { - clcf->gzip_disable_degradation = 1; - continue; - } - -#endif - - re = ngx_array_push(clcf->gzip_disable); - if (re == NULL) { - return NGX_CONF_ERROR; - } - - rc.pattern = value[i]; - rc.options = NGX_REGEX_CASELESS; - - if (ngx_regex_compile(&rc) != NGX_OK) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc.err); - return NGX_CONF_ERROR; - } - - re->regex = rc.regex; - re->name = value[i].data; - } - - return NGX_CONF_OK; - -#else - ngx_str_t *value; - ngx_uint_t i; - - value = cf->args->elts; - - for (i = 1; i < cf->args->nelts; i++) { - if (ngx_strcmp(value[i].data, "msie6") == 0) { - clcf->gzip_disable_msie6 = 1; - continue; - } - -#if (NGX_HTTP_DEGRADATION) - - if (ngx_strcmp(value[i].data, "degradation") == 0) { - clcf->gzip_disable_degradation = 1; - continue; - } - -#endif - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "without PCRE library \"gzip_disable\" supports " - "builtin \"msie6\" and \"degradation\" mask only"); - - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; - -#endif -} - -#endif - - -#if (NGX_HAVE_OPENAT) - -static char * -ngx_http_disable_symlinks(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_core_loc_conf_t *clcf = conf; - - ngx_str_t *value; - ngx_uint_t i; - ngx_http_compile_complex_value_t ccv; - - if (clcf->disable_symlinks != NGX_CONF_UNSET_UINT) { - return "is duplicate"; - } - - value = cf->args->elts; - - for (i = 1; i < cf->args->nelts; i++) { - - if (ngx_strcmp(value[i].data, "off") == 0) { - clcf->disable_symlinks = NGX_DISABLE_SYMLINKS_OFF; - continue; - } - - if (ngx_strcmp(value[i].data, "if_not_owner") == 0) { - clcf->disable_symlinks = NGX_DISABLE_SYMLINKS_NOTOWNER; - continue; - } - - if (ngx_strcmp(value[i].data, "on") == 0) { - clcf->disable_symlinks = NGX_DISABLE_SYMLINKS_ON; - continue; - } - - if (ngx_strncmp(value[i].data, "from=", 5) == 0) { - value[i].len -= 5; - value[i].data += 5; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &value[i]; - 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; - } - - clcf->disable_symlinks_from = ccv.complex_value; - - continue; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - if (clcf->disable_symlinks == NGX_CONF_UNSET_UINT) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"%V\" must have \"off\", \"on\" " - "or \"if_not_owner\" parameter", - &cmd->name); - return NGX_CONF_ERROR; - } - - if (cf->args->nelts == 2) { - clcf->disable_symlinks_from = NULL; - return NGX_CONF_OK; - } - - if (clcf->disable_symlinks_from == NGX_CONF_UNSET_PTR) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "duplicate parameters \"%V %V\"", - &value[1], &value[2]); - return NGX_CONF_ERROR; - } - - if (clcf->disable_symlinks == NGX_DISABLE_SYMLINKS_OFF) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"from=\" cannot be used with \"off\" parameter"); - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - -#endif - - -static char * -ngx_http_core_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, - "\"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, - "\"send_lowat\" is not supported, ignored"); - - *np = 0; - -#endif - - return NGX_CONF_OK; -} - - -static char * -ngx_http_core_pool_size(ngx_conf_t *cf, void *post, void *data) -{ - size_t *sp = data; - - if (*sp < NGX_MIN_POOL_SIZE) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the pool size must be no less than %uz", - NGX_MIN_POOL_SIZE); - return NGX_CONF_ERROR; - } - - if (*sp % NGX_POOL_ALIGNMENT) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the pool size must be a multiple of %uz", - NGX_POOL_ALIGNMENT); - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} |