Mercurial > hg > nginx
view src/http/ngx_http_core_module.c @ 6719:cebf5fed00bf
Modules compatibility: removed unneeded IPV6_V6ONLY checks.
The IPV6_V6ONLY macro is now checked only while parsing appropriate flag
and when using the macro.
The ipv6only field in listen structures is always initialized to 1,
even if not supported on a given platform. This is expected to prevent
a module compiled without IPV6_V6ONLY from accidentally creating dual
sockets if loaded into main binary with proper IPV6_V6ONLY support.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Mon, 03 Oct 2016 15:58:25 +0300 |
| parents | b802b7e1d9bc |
| children | 0c572ed91b36 |
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/* * 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_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("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_FLAG, ngx_conf_set_flag_slot, NGX_HTTP_LOC_CONF_OFFSET, offsetof(ngx_http_core_loc_conf_t, server_tokens), NULL }, { 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; } /* * we do not need to set the r->headers_out.location->hash and * r->headers_out.location->key fields */ 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 != 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; 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->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->server_tokens = NGX_CONF_UNSET; clcf->chunked_transfer_encoding = NGX_CONF_UNSET; clcf->etag = NGX_CONF_UNSET; 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); #if (NGX_HAVE_FILE_AIO || NGX_THREADS) ngx_conf_merge_value(conf->aio, prev->aio, NGX_HTTP_AIO_OFF); ngx_conf_merge_value(conf->aio_write, prev->aio_write, 0); #endif #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->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->server_tokens, prev->server_tokens, 1); 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_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 *) "$hostname") == 0) { sn->name = cf->cycle->hostname; } else { sn->name = value[i]; } if (value[i].data[0] != '~') { ngx_strlow(sn->name.data, sn->name.data, sn->name.len); continue; } #if (NGX_PCRE) { u_char *p; ngx_regex_compile_t rc; u_char errstr[NGX_MAX_CONF_ERRSTR]; if (value[i].len == 1) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "empty regex in server name \"%V\"", &value[i]); return NGX_CONF_ERROR; } value[i].len--; value[i].data++; ngx_memzero(&rc, sizeof(ngx_regex_compile_t)); rc.pattern = value[i]; rc.err.len = NGX_MAX_CONF_ERRSTR; rc.err.data = errstr; for (p = value[i].data; p < value[i].data + value[i].len; p++) { if (*p >= 'A' && *p <= 'Z') { rc.options = NGX_REGEX_CASELESS; break; } } sn->regex = ngx_http_regex_compile(cf, &rc); if (sn->regex == NULL) { return NGX_CONF_ERROR; } sn->name = value[i]; cscf->captures = (rc.captures > 0); } #else ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "using regex \"%V\" " "requires PCRE library", &value[i]); return NGX_CONF_ERROR; #endif } return NGX_CONF_OK; } static char * ngx_http_core_root(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { ngx_http_core_loc_conf_t *clcf = conf; ngx_str_t *value; ngx_int_t alias; ngx_uint_t n; ngx_http_script_compile_t sc; alias = (cmd->name.len == sizeof("alias") - 1) ? 1 : 0; if (clcf->root.data) { if ((clcf->alias != 0) == alias) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"%V\" directive is duplicate", &cmd->name); } else { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"%V\" directive is duplicate, " "\"%s\" directive was specified earlier", &cmd->name, clcf->alias ? "alias" : "root"); } return NGX_CONF_ERROR; } if (clcf->named && alias) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "the \"alias\" directive cannot be used " "inside the named location"); return NGX_CONF_ERROR; } value = cf->args->elts; if (ngx_strstr(value[1].data, "$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 "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; default: break; } } 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; }