| |
| /* |
| * 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_auth_delay(ngx_http_request_t *r); |
| static void ngx_http_core_auth_delay_handler(ngx_http_request_t *r); |
| |
| 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_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("subrequest_output_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, subrequest_output_buffer_size), |
| 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_http_set_complex_value_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_http_set_complex_value_size_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, limit_rate_after), |
| NULL }, |
| |
| { ngx_string("keepalive_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, keepalive_time), |
| 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("auth_delay"), |
| 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, auth_delay), |
| NULL }, |
| |
| { 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("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->escaped_name; |
| |
| } else { |
| len = clcf->escaped_name.len + 1 + r->args.len; |
| p = ngx_pnalloc(r->pool, len); |
| |
| if (p == NULL) { |
| ngx_http_clear_location(r); |
| 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->escaped_name.data, clcf->escaped_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_... */ |
| |
| if (rc == NGX_HTTP_UNAUTHORIZED) { |
| return ngx_http_core_auth_delay(r); |
| } |
| |
| 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) { |
| r->access_code = 0; |
| |
| if (access_code == NGX_HTTP_FORBIDDEN) { |
| ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
| "access forbidden by rule"); |
| } |
| |
| if (access_code == NGX_HTTP_UNAUTHORIZED) { |
| return ngx_http_core_auth_delay(r); |
| } |
| |
| ngx_http_finalize_request(r, access_code); |
| return NGX_OK; |
| } |
| |
| r->phase_handler++; |
| return NGX_AGAIN; |
| } |
| |
| |
| static ngx_int_t |
| ngx_http_core_auth_delay(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 (clcf->auth_delay == 0) { |
| ngx_http_finalize_request(r, NGX_HTTP_UNAUTHORIZED); |
| return NGX_OK; |
| } |
| |
| ngx_log_error(NGX_LOG_INFO, r->connection->log, 0, |
| "delaying unauthorized request"); |
| |
| if (r->connection->read->ready) { |
| ngx_post_event(r->connection->read, &ngx_posted_events); |
| |
| } else { |
| if (ngx_handle_read_event(r->connection->read, 0) != NGX_OK) { |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| } |
| } |
| |
| r->read_event_handler = ngx_http_test_reading; |
| r->write_event_handler = ngx_http_core_auth_delay_handler; |
| |
| r->connection->write->delayed = 1; |
| ngx_add_timer(r->connection->write, clcf->auth_delay); |
| |
| /* |
| * trigger an additional event loop iteration |
| * to ensure constant-time processing |
| */ |
| |
| ngx_post_event(r->connection->write, &ngx_posted_next_events); |
| |
| return NGX_OK; |
| } |
| |
| |
| static void |
| ngx_http_core_auth_delay_handler(ngx_http_request_t *r) |
| { |
| ngx_event_t *wev; |
| |
| ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "auth delay handler"); |
| |
| wev = r->connection->write; |
| |
| if (wev->delayed) { |
| |
| if (ngx_handle_write_event(wev, 0) != NGX_OK) { |
| ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
| } |
| |
| return; |
| } |
| |
| ngx_http_finalize_request(r, NGX_HTTP_UNAUTHORIZED); |
| } |
| |
| |
| 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 (ngx_current_msec - r->connection->start_time |
| > clcf->keepalive_time) |
| { |
| 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 (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; |
| |
| rc = ngx_http_discard_request_body(r); |
| |
| if (rc != NGX_OK) { |
| return rc; |
| } |
| |
| 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 |
| || status == NGX_HTTP_PERMANENT_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 != r->main && val.len == 0) { |
| return ngx_http_send_header(r); |
| } |
| |
| b = ngx_calloc_buf(r->pool); |
| 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_copy(last, r->uri.data + alias, r->uri.len - alias); |
| *last = '\0'; |
| |
| 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; |
| } |
| |
| if (r->subrequest_in_memory) { |
| ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
| "nested in-memory subrequest \"%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; |
| } |
| |
| if (ngx_list_init(&sr->headers_out.trailers, r->pool, 4, |
| 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->background = (flags & NGX_HTTP_SUBREQUEST_BACKGROUND) != 0; |
| |
| sr->unparsed_uri = r->unparsed_uri; |
| sr->method_name = ngx_http_core_get_method; |
| sr->http_protocol = r->http_protocol; |
| sr->schema = r->schema; |
| |
| 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; |
| |
| sr->variables = r->variables; |
| |
| sr->log_handler = r->log_handler; |
| |
| if (sr->subrequest_in_memory) { |
| sr->filter_need_in_memory = 1; |
| } |
| |
| if (!sr->background) { |
| if (c->data == r && r->postponed == NULL) { |
| c->data = sr; |
| } |
| |
| 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->valid_unparsed_uri = r->valid_unparsed_uri; |
| sr->content_handler = r->content_handler; |
| sr->phase_handler = r->phase_handler; |
| sr->write_event_handler = ngx_http_core_run_phases; |
| |
| #if (NGX_PCRE) |
| sr->ncaptures = r->ncaptures; |
| sr->captures = r->captures; |
| sr->captures_data = r->captures_data; |
| sr->realloc_captures = 1; |
| r->realloc_captures = 1; |
| #endif |
| |
| 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_addr_t paddr; |
| ngx_uint_t found; |
| |
| found = 0; |
| |
| do { |
| |
| if (ngx_cidr_match(addr->sockaddr, proxies) != NGX_OK) { |
| return found ? NGX_DONE : 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 found ? NGX_DONE : NGX_DECLINED; |
| } |
| |
| *addr = paddr; |
| found = 1; |
| xfflen = p - 1 - xff; |
| |
| } while (recursive && p > xff); |
| |
| return NGX_OK; |
| } |
| |
| |
| static char * |
| ngx_http_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) |
| { |
| char *rv; |
| void *mconf; |
| size_t len; |
| u_char *p; |
| 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)); |
| |
| p = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); |
| if (p == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| lsopt.sockaddr = (struct sockaddr *) p; |
| |
| sin = (struct sockaddr_in *) p; |
| |
| 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; |
| |
| len = NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1; |
| |
| p = ngx_pnalloc(cf->pool, len); |
| if (p == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| lsopt.addr_text.data = p; |
| lsopt.addr_text.len = ngx_sock_ntop(lsopt.sockaddr, lsopt.socklen, p, |
| len, 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; |
| } |
| } |
| |
| <
|
