From 6a5411729539fe21117f406699a69974b320eb7e Mon Sep 17 00:00:00 2001 From: Yu Ping Date: Thu, 19 Mar 2020 03:34:52 +0800 Subject: remove nginx build directory Signed-off-by: Yu Ping Change-Id: I73aba722f06f4cc4be484e3d5f4631225d09de83 --- nginx/src/http/ngx_http_variables.c | 2713 ----------------------------------- 1 file changed, 2713 deletions(-) delete mode 100644 nginx/src/http/ngx_http_variables.c (limited to 'nginx/src/http/ngx_http_variables.c') diff --git a/nginx/src/http/ngx_http_variables.c b/nginx/src/http/ngx_http_variables.c deleted file mode 100644 index 9bd5b6b..0000000 --- a/nginx/src/http/ngx_http_variables.c +++ /dev/null @@ -1,2713 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include -#include -#include -#include - - -static ngx_http_variable_t *ngx_http_add_prefix_variable(ngx_conf_t *cf, - ngx_str_t *name, ngx_uint_t flags); - -static ngx_int_t ngx_http_variable_request(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -#if 0 -static void ngx_http_variable_request_set(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -#endif -static ngx_int_t ngx_http_variable_request_get_size(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static void ngx_http_variable_request_set_size(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); - -static ngx_int_t ngx_http_variable_cookies(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_headers_internal(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data, u_char sep); - -static ngx_int_t ngx_http_variable_unknown_header_in(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_unknown_header_out(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_unknown_trailer_out(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_request_line(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_cookie(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_argument(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -#if (NGX_HAVE_TCP_INFO) -static ngx_int_t ngx_http_variable_tcpinfo(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -#endif - -static ngx_int_t ngx_http_variable_content_length(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_host(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_remote_addr(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_remote_port(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_proxy_protocol_addr(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_proxy_protocol_port(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_server_addr(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_server_port(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_scheme(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_https(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static void ngx_http_variable_set_args(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_is_args(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_realpath_root(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_bytes_sent(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_pipe(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_request_completion(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_request_body(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_request_body_file(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_request_length(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_request_time(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_request_id(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_status(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); - -static ngx_int_t ngx_http_variable_sent_content_type(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_sent_content_length(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_sent_location(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_sent_last_modified(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_sent_connection(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); - -static ngx_int_t ngx_http_variable_connection(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_connection_requests(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); - -static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_msec(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_time_iso8601(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_variable_time_local(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); - -/* - * TODO: - * Apache CGI: AUTH_TYPE, PATH_INFO (null), PATH_TRANSLATED - * REMOTE_HOST (null), REMOTE_IDENT (null), - * SERVER_SOFTWARE - * - * Apache SSI: DOCUMENT_NAME, LAST_MODIFIED, USER_NAME (file owner) - */ - -/* - * the $http_host, $http_user_agent, $http_referer, and $http_via - * variables may be handled by generic - * ngx_http_variable_unknown_header_in(), but for performance reasons - * they are handled using dedicated entries - */ - -static ngx_http_variable_t ngx_http_core_variables[] = { - - { ngx_string("http_host"), NULL, ngx_http_variable_header, - offsetof(ngx_http_request_t, headers_in.host), 0, 0 }, - - { ngx_string("http_user_agent"), NULL, ngx_http_variable_header, - offsetof(ngx_http_request_t, headers_in.user_agent), 0, 0 }, - - { ngx_string("http_referer"), NULL, ngx_http_variable_header, - offsetof(ngx_http_request_t, headers_in.referer), 0, 0 }, - -#if (NGX_HTTP_GZIP) - { ngx_string("http_via"), NULL, ngx_http_variable_header, - offsetof(ngx_http_request_t, headers_in.via), 0, 0 }, -#endif - -#if (NGX_HTTP_X_FORWARDED_FOR) - { ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_headers, - offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 }, -#endif - - { ngx_string("http_cookie"), NULL, ngx_http_variable_cookies, - offsetof(ngx_http_request_t, headers_in.cookies), 0, 0 }, - - { ngx_string("content_length"), NULL, ngx_http_variable_content_length, - 0, 0, 0 }, - - { ngx_string("content_type"), NULL, ngx_http_variable_header, - offsetof(ngx_http_request_t, headers_in.content_type), 0, 0 }, - - { ngx_string("host"), NULL, ngx_http_variable_host, 0, 0, 0 }, - - { ngx_string("binary_remote_addr"), NULL, - ngx_http_variable_binary_remote_addr, 0, 0, 0 }, - - { ngx_string("remote_addr"), NULL, ngx_http_variable_remote_addr, 0, 0, 0 }, - - { ngx_string("remote_port"), NULL, ngx_http_variable_remote_port, 0, 0, 0 }, - - { ngx_string("proxy_protocol_addr"), NULL, - ngx_http_variable_proxy_protocol_addr, 0, 0, 0 }, - - { ngx_string("proxy_protocol_port"), NULL, - ngx_http_variable_proxy_protocol_port, 0, 0, 0 }, - - { ngx_string("server_addr"), NULL, ngx_http_variable_server_addr, 0, 0, 0 }, - - { ngx_string("server_port"), NULL, ngx_http_variable_server_port, 0, 0, 0 }, - - { ngx_string("server_protocol"), NULL, ngx_http_variable_request, - offsetof(ngx_http_request_t, http_protocol), 0, 0 }, - - { ngx_string("scheme"), NULL, ngx_http_variable_scheme, 0, 0, 0 }, - - { ngx_string("https"), NULL, ngx_http_variable_https, 0, 0, 0 }, - - { ngx_string("request_uri"), NULL, ngx_http_variable_request, - offsetof(ngx_http_request_t, unparsed_uri), 0, 0 }, - - { ngx_string("uri"), NULL, ngx_http_variable_request, - offsetof(ngx_http_request_t, uri), - NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("document_uri"), NULL, ngx_http_variable_request, - offsetof(ngx_http_request_t, uri), - NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("request"), NULL, ngx_http_variable_request_line, 0, 0, 0 }, - - { ngx_string("document_root"), NULL, - ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("realpath_root"), NULL, - ngx_http_variable_realpath_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("query_string"), NULL, ngx_http_variable_request, - offsetof(ngx_http_request_t, args), - NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("args"), - ngx_http_variable_set_args, - ngx_http_variable_request, - offsetof(ngx_http_request_t, args), - NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("is_args"), NULL, ngx_http_variable_is_args, - 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("request_filename"), NULL, - ngx_http_variable_request_filename, 0, - NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 }, - - { ngx_string("request_method"), NULL, - ngx_http_variable_request_method, 0, - NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("remote_user"), NULL, ngx_http_variable_remote_user, 0, 0, 0 }, - - { ngx_string("bytes_sent"), NULL, ngx_http_variable_bytes_sent, - 0, 0, 0 }, - - { ngx_string("body_bytes_sent"), NULL, ngx_http_variable_body_bytes_sent, - 0, 0, 0 }, - - { ngx_string("pipe"), NULL, ngx_http_variable_pipe, - 0, 0, 0 }, - - { ngx_string("request_completion"), NULL, - ngx_http_variable_request_completion, - 0, 0, 0 }, - - { ngx_string("request_body"), NULL, - ngx_http_variable_request_body, - 0, 0, 0 }, - - { ngx_string("request_body_file"), NULL, - ngx_http_variable_request_body_file, - 0, 0, 0 }, - - { ngx_string("request_length"), NULL, ngx_http_variable_request_length, - 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("request_time"), NULL, ngx_http_variable_request_time, - 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("request_id"), NULL, - ngx_http_variable_request_id, - 0, 0, 0 }, - - { ngx_string("status"), NULL, - ngx_http_variable_status, 0, - NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("sent_http_content_type"), NULL, - ngx_http_variable_sent_content_type, 0, 0, 0 }, - - { ngx_string("sent_http_content_length"), NULL, - ngx_http_variable_sent_content_length, 0, 0, 0 }, - - { ngx_string("sent_http_location"), NULL, - ngx_http_variable_sent_location, 0, 0, 0 }, - - { ngx_string("sent_http_last_modified"), NULL, - ngx_http_variable_sent_last_modified, 0, 0, 0 }, - - { ngx_string("sent_http_connection"), NULL, - ngx_http_variable_sent_connection, 0, 0, 0 }, - - { ngx_string("sent_http_keep_alive"), NULL, - ngx_http_variable_sent_keep_alive, 0, 0, 0 }, - - { ngx_string("sent_http_transfer_encoding"), NULL, - ngx_http_variable_sent_transfer_encoding, 0, 0, 0 }, - - { ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers, - offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 }, - - { ngx_string("sent_http_link"), NULL, ngx_http_variable_headers, - offsetof(ngx_http_request_t, headers_out.link), 0, 0 }, - - { ngx_string("limit_rate"), ngx_http_variable_request_set_size, - ngx_http_variable_request_get_size, - offsetof(ngx_http_request_t, limit_rate), - NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("connection"), NULL, - ngx_http_variable_connection, 0, 0, 0 }, - - { ngx_string("connection_requests"), NULL, - ngx_http_variable_connection_requests, 0, 0, 0 }, - - { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, - 0, 0, 0 }, - - { ngx_string("hostname"), NULL, ngx_http_variable_hostname, - 0, 0, 0 }, - - { ngx_string("pid"), NULL, ngx_http_variable_pid, - 0, 0, 0 }, - - { ngx_string("msec"), NULL, ngx_http_variable_msec, - 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("time_iso8601"), NULL, ngx_http_variable_time_iso8601, - 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("time_local"), NULL, ngx_http_variable_time_local, - 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - -#if (NGX_HAVE_TCP_INFO) - { ngx_string("tcpinfo_rtt"), NULL, ngx_http_variable_tcpinfo, - 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("tcpinfo_rttvar"), NULL, ngx_http_variable_tcpinfo, - 1, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("tcpinfo_snd_cwnd"), NULL, ngx_http_variable_tcpinfo, - 2, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("tcpinfo_rcv_space"), NULL, ngx_http_variable_tcpinfo, - 3, NGX_HTTP_VAR_NOCACHEABLE, 0 }, -#endif - - { ngx_string("http_"), NULL, ngx_http_variable_unknown_header_in, - 0, NGX_HTTP_VAR_PREFIX, 0 }, - - { ngx_string("sent_http_"), NULL, ngx_http_variable_unknown_header_out, - 0, NGX_HTTP_VAR_PREFIX, 0 }, - - { ngx_string("sent_trailer_"), NULL, ngx_http_variable_unknown_trailer_out, - 0, NGX_HTTP_VAR_PREFIX, 0 }, - - { ngx_string("cookie_"), NULL, ngx_http_variable_cookie, - 0, NGX_HTTP_VAR_PREFIX, 0 }, - - { ngx_string("arg_"), NULL, ngx_http_variable_argument, - 0, NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_PREFIX, 0 }, - - ngx_http_null_variable -}; - - -ngx_http_variable_value_t ngx_http_variable_null_value = - ngx_http_variable(""); -ngx_http_variable_value_t ngx_http_variable_true_value = - ngx_http_variable("1"); - - -static ngx_uint_t ngx_http_variable_depth = 100; - - -ngx_http_variable_t * -ngx_http_add_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) -{ - ngx_int_t rc; - ngx_uint_t i; - ngx_hash_key_t *key; - ngx_http_variable_t *v; - ngx_http_core_main_conf_t *cmcf; - - if (name->len == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid variable name \"$\""); - return NULL; - } - - if (flags & NGX_HTTP_VAR_PREFIX) { - return ngx_http_add_prefix_variable(cf, name, flags); - } - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - key = cmcf->variables_keys->keys.elts; - for (i = 0; i < cmcf->variables_keys->keys.nelts; i++) { - if (name->len != key[i].key.len - || ngx_strncasecmp(name->data, key[i].key.data, name->len) != 0) - { - continue; - } - - v = key[i].value; - - if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the duplicate \"%V\" variable", name); - return NULL; - } - - if (!(flags & NGX_HTTP_VAR_WEAK)) { - v->flags &= ~NGX_HTTP_VAR_WEAK; - } - - return v; - } - - v = ngx_palloc(cf->pool, sizeof(ngx_http_variable_t)); - if (v == NULL) { - return NULL; - } - - v->name.len = name->len; - v->name.data = ngx_pnalloc(cf->pool, name->len); - if (v->name.data == NULL) { - return NULL; - } - - ngx_strlow(v->name.data, name->data, name->len); - - v->set_handler = NULL; - v->get_handler = NULL; - v->data = 0; - v->flags = flags; - v->index = 0; - - rc = ngx_hash_add_key(cmcf->variables_keys, &v->name, v, 0); - - if (rc == NGX_ERROR) { - return NULL; - } - - if (rc == NGX_BUSY) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "conflicting variable name \"%V\"", name); - return NULL; - } - - return v; -} - - -static ngx_http_variable_t * -ngx_http_add_prefix_variable(ngx_conf_t *cf, ngx_str_t *name, ngx_uint_t flags) -{ - ngx_uint_t i; - ngx_http_variable_t *v; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - v = cmcf->prefix_variables.elts; - for (i = 0; i < cmcf->prefix_variables.nelts; i++) { - if (name->len != v[i].name.len - || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) - { - continue; - } - - v = &v[i]; - - if (!(v->flags & NGX_HTTP_VAR_CHANGEABLE)) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the duplicate \"%V\" variable", name); - return NULL; - } - - if (!(flags & NGX_HTTP_VAR_WEAK)) { - v->flags &= ~NGX_HTTP_VAR_WEAK; - } - - return v; - } - - v = ngx_array_push(&cmcf->prefix_variables); - if (v == NULL) { - return NULL; - } - - v->name.len = name->len; - v->name.data = ngx_pnalloc(cf->pool, name->len); - if (v->name.data == NULL) { - return NULL; - } - - ngx_strlow(v->name.data, name->data, name->len); - - v->set_handler = NULL; - v->get_handler = NULL; - v->data = 0; - v->flags = flags; - v->index = 0; - - return v; -} - - -ngx_int_t -ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name) -{ - ngx_uint_t i; - ngx_http_variable_t *v; - ngx_http_core_main_conf_t *cmcf; - - if (name->len == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid variable name \"$\""); - return NGX_ERROR; - } - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - v = cmcf->variables.elts; - - if (v == NULL) { - if (ngx_array_init(&cmcf->variables, cf->pool, 4, - sizeof(ngx_http_variable_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - } else { - for (i = 0; i < cmcf->variables.nelts; i++) { - if (name->len != v[i].name.len - || ngx_strncasecmp(name->data, v[i].name.data, name->len) != 0) - { - continue; - } - - return i; - } - } - - v = ngx_array_push(&cmcf->variables); - if (v == NULL) { - return NGX_ERROR; - } - - v->name.len = name->len; - v->name.data = ngx_pnalloc(cf->pool, name->len); - if (v->name.data == NULL) { - return NGX_ERROR; - } - - ngx_strlow(v->name.data, name->data, name->len); - - v->set_handler = NULL; - v->get_handler = NULL; - v->data = 0; - v->flags = 0; - v->index = cmcf->variables.nelts - 1; - - return v->index; -} - - -ngx_http_variable_value_t * -ngx_http_get_indexed_variable(ngx_http_request_t *r, ngx_uint_t index) -{ - ngx_http_variable_t *v; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); - - if (cmcf->variables.nelts <= index) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - "unknown variable index: %ui", index); - return NULL; - } - - if (r->variables[index].not_found || r->variables[index].valid) { - return &r->variables[index]; - } - - v = cmcf->variables.elts; - - if (ngx_http_variable_depth == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "cycle while evaluating variable \"%V\"", - &v[index].name); - return NULL; - } - - ngx_http_variable_depth--; - - if (v[index].get_handler(r, &r->variables[index], v[index].data) - == NGX_OK) - { - ngx_http_variable_depth++; - - if (v[index].flags & NGX_HTTP_VAR_NOCACHEABLE) { - r->variables[index].no_cacheable = 1; - } - - return &r->variables[index]; - } - - ngx_http_variable_depth++; - - r->variables[index].valid = 0; - r->variables[index].not_found = 1; - - return NULL; -} - - -ngx_http_variable_value_t * -ngx_http_get_flushed_variable(ngx_http_request_t *r, ngx_uint_t index) -{ - ngx_http_variable_value_t *v; - - v = &r->variables[index]; - - if (v->valid || v->not_found) { - if (!v->no_cacheable) { - return v; - } - - v->valid = 0; - v->not_found = 0; - } - - return ngx_http_get_indexed_variable(r, index); -} - - -ngx_http_variable_value_t * -ngx_http_get_variable(ngx_http_request_t *r, ngx_str_t *name, ngx_uint_t key) -{ - size_t len; - ngx_uint_t i, n; - ngx_http_variable_t *v; - ngx_http_variable_value_t *vv; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); - - v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len); - - if (v) { - if (v->flags & NGX_HTTP_VAR_INDEXED) { - return ngx_http_get_flushed_variable(r, v->index); - } - - if (ngx_http_variable_depth == 0) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "cycle while evaluating variable \"%V\"", name); - return NULL; - } - - ngx_http_variable_depth--; - - vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); - - if (vv && v->get_handler(r, vv, v->data) == NGX_OK) { - ngx_http_variable_depth++; - return vv; - } - - ngx_http_variable_depth++; - return NULL; - } - - vv = ngx_palloc(r->pool, sizeof(ngx_http_variable_value_t)); - if (vv == NULL) { - return NULL; - } - - len = 0; - - v = cmcf->prefix_variables.elts; - n = cmcf->prefix_variables.nelts; - - for (i = 0; i < cmcf->prefix_variables.nelts; i++) { - if (name->len >= v[i].name.len && name->len > len - && ngx_strncmp(name->data, v[i].name.data, v[i].name.len) == 0) - { - len = v[i].name.len; - n = i; - } - } - - if (n != cmcf->prefix_variables.nelts) { - if (v[n].get_handler(r, vv, (uintptr_t) name) == NGX_OK) { - return vv; - } - - return NULL; - } - - vv->not_found = 1; - - return vv; -} - - -static ngx_int_t -ngx_http_variable_request(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - ngx_str_t *s; - - s = (ngx_str_t *) ((char *) r + data); - - if (s->data) { - v->len = s->len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = s->data; - - } else { - v->not_found = 1; - } - - return NGX_OK; -} - - -#if 0 - -static void -ngx_http_variable_request_set(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_str_t *s; - - s = (ngx_str_t *) ((char *) r + data); - - s->len = v->len; - s->data = v->data; -} - -#endif - - -static ngx_int_t -ngx_http_variable_request_get_size(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - size_t *sp; - - sp = (size_t *) ((char *) r + data); - - v->data = ngx_pnalloc(r->pool, NGX_SIZE_T_LEN); - if (v->data == NULL) { - return NGX_ERROR; - } - - v->len = ngx_sprintf(v->data, "%uz", *sp) - v->data; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - return NGX_OK; -} - - -static void -ngx_http_variable_request_set_size(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ssize_t s, *sp; - ngx_str_t val; - - val.len = v->len; - val.data = v->data; - - s = ngx_parse_size(&val); - - if (s == NGX_ERROR) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, - "invalid size \"%V\"", &val); - return; - } - - sp = (ssize_t *) ((char *) r + data); - - *sp = s; - - return; -} - - -static ngx_int_t -ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - ngx_table_elt_t *h; - - h = *(ngx_table_elt_t **) ((char *) r + data); - - if (h) { - v->len = h->value.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = h->value.data; - - } else { - v->not_found = 1; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_cookies(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - return ngx_http_variable_headers_internal(r, v, data, ';'); -} - - -static ngx_int_t -ngx_http_variable_headers(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - return ngx_http_variable_headers_internal(r, v, data, ','); -} - - -static ngx_int_t -ngx_http_variable_headers_internal(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data, u_char sep) -{ - size_t len; - u_char *p, *end; - ngx_uint_t i, n; - ngx_array_t *a; - ngx_table_elt_t **h; - - a = (ngx_array_t *) ((char *) r + data); - - n = a->nelts; - h = a->elts; - - len = 0; - - for (i = 0; i < n; i++) { - - if (h[i]->hash == 0) { - continue; - } - - len += h[i]->value.len + 2; - } - - if (len == 0) { - v->not_found = 1; - return NGX_OK; - } - - len -= 2; - - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - if (n == 1) { - v->len = (*h)->value.len; - v->data = (*h)->value.data; - - return NGX_OK; - } - - p = ngx_pnalloc(r->pool, len); - if (p == NULL) { - return NGX_ERROR; - } - - v->len = len; - v->data = p; - - end = p + len; - - for (i = 0; /* void */ ; i++) { - - if (h[i]->hash == 0) { - continue; - } - - p = ngx_copy(p, h[i]->value.data, h[i]->value.len); - - if (p == end) { - break; - } - - *p++ = sep; *p++ = ' '; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_unknown_header_in(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, - &r->headers_in.headers.part, - sizeof("http_") - 1); -} - - -static ngx_int_t -ngx_http_variable_unknown_header_out(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, - &r->headers_out.headers.part, - sizeof("sent_http_") - 1); -} - - -static ngx_int_t -ngx_http_variable_unknown_trailer_out(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - return ngx_http_variable_unknown_header(v, (ngx_str_t *) data, - &r->headers_out.trailers.part, - sizeof("sent_trailer_") - 1); -} - - -ngx_int_t -ngx_http_variable_unknown_header(ngx_http_variable_value_t *v, ngx_str_t *var, - ngx_list_part_t *part, size_t prefix) -{ - u_char ch; - ngx_uint_t i, n; - ngx_table_elt_t *header; - - header = part->elts; - - for (i = 0; /* void */ ; i++) { - - if (i >= part->nelts) { - if (part->next == NULL) { - break; - } - - part = part->next; - header = part->elts; - i = 0; - } - - if (header[i].hash == 0) { - continue; - } - - for (n = 0; n + prefix < var->len && n < header[i].key.len; n++) { - ch = header[i].key.data[n]; - - if (ch >= 'A' && ch <= 'Z') { - ch |= 0x20; - - } else if (ch == '-') { - ch = '_'; - } - - if (var->data[n + prefix] != ch) { - break; - } - } - - if (n + prefix == var->len && n == header[i].key.len) { - v->len = header[i].value.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = header[i].value.data; - - return NGX_OK; - } - } - - v->not_found = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_request_line(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p, *s; - - s = r->request_line.data; - - if (s == NULL) { - s = r->request_start; - - if (s == NULL) { - v->not_found = 1; - return NGX_OK; - } - - for (p = s; p < r->header_in->last; p++) { - if (*p == CR || *p == LF) { - break; - } - } - - r->request_line.len = p - s; - r->request_line.data = s; - } - - v->len = r->request_line.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = s; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_cookie(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - ngx_str_t *name = (ngx_str_t *) data; - - ngx_str_t cookie, s; - - s.len = name->len - (sizeof("cookie_") - 1); - s.data = name->data + sizeof("cookie_") - 1; - - if (ngx_http_parse_multi_header_lines(&r->headers_in.cookies, &s, &cookie) - == NGX_DECLINED) - { - v->not_found = 1; - return NGX_OK; - } - - v->len = cookie.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = cookie.data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_argument(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - ngx_str_t *name = (ngx_str_t *) data; - - u_char *arg; - size_t len; - ngx_str_t value; - - len = name->len - (sizeof("arg_") - 1); - arg = name->data + sizeof("arg_") - 1; - - if (ngx_http_arg(r, arg, len, &value) != NGX_OK) { - v->not_found = 1; - return NGX_OK; - } - - v->data = value.data; - v->len = value.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - return NGX_OK; -} - - -#if (NGX_HAVE_TCP_INFO) - -static ngx_int_t -ngx_http_variable_tcpinfo(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - struct tcp_info ti; - socklen_t len; - uint32_t value; - - len = sizeof(struct tcp_info); - if (ngxvcl_kvfd_getsockopt(r->connection->fd, IPPROTO_TCP, TCP_INFO, &ti, &len) == -1) { - v->not_found = 1; - return NGX_OK; - } - - v->data = ngx_pnalloc(r->pool, NGX_INT32_LEN); - if (v->data == NULL) { - return NGX_ERROR; - } - - switch (data) { - case 0: - value = ti.tcpi_rtt; - break; - - case 1: - value = ti.tcpi_rttvar; - break; - - case 2: - value = ti.tcpi_snd_cwnd; - break; - - case 3: - value = ti.tcpi_rcv_space; - break; - - /* suppress warning */ - default: - value = 0; - break; - } - - v->len = ngx_sprintf(v->data, "%uD", value) - v->data; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - return NGX_OK; -} - -#endif - - -static ngx_int_t -ngx_http_variable_content_length(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - - if (r->headers_in.content_length) { - v->len = r->headers_in.content_length->value.len; - v->data = r->headers_in.content_length->value.data; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - } else if (r->reading_body) { - v->not_found = 1; - v->no_cacheable = 1; - - } else if (r->headers_in.content_length_n >= 0) { - p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); - if (p == NULL) { - return NGX_ERROR; - } - - v->len = ngx_sprintf(p, "%O", r->headers_in.content_length_n) - p; - v->data = p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - } else { - v->not_found = 1; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - ngx_http_core_srv_conf_t *cscf; - - if (r->headers_in.server.len) { - v->len = r->headers_in.server.len; - v->data = r->headers_in.server.data; - - } else { - cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); - - v->len = cscf->server_name.len; - v->data = cscf->server_name.data; - } - - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_binary_remote_addr(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - struct sockaddr_in *sin; -#if (NGX_HAVE_INET6) - struct sockaddr_in6 *sin6; -#endif - - switch (r->connection->sockaddr->sa_family) { - -#if (NGX_HAVE_INET6) - case AF_INET6: - sin6 = (struct sockaddr_in6 *) r->connection->sockaddr; - - v->len = sizeof(struct in6_addr); - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = sin6->sin6_addr.s6_addr; - - break; -#endif - -#if (NGX_HAVE_UNIX_DOMAIN) - case AF_UNIX: - - v->len = r->connection->addr_text.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = r->connection->addr_text.data; - - break; -#endif - - default: /* AF_INET */ - sin = (struct sockaddr_in *) r->connection->sockaddr; - - v->len = sizeof(in_addr_t); - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = (u_char *) &sin->sin_addr; - - break; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_remote_addr(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - v->len = r->connection->addr_text.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = r->connection->addr_text.data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_remote_port(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_uint_t port; - - v->len = 0; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); - if (v->data == NULL) { - return NGX_ERROR; - } - - port = ngx_inet_get_port(r->connection->sockaddr); - - if (port > 0 && port < 65536) { - v->len = ngx_sprintf(v->data, "%ui", port) - v->data; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_proxy_protocol_addr(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - v->len = r->connection->proxy_protocol_addr.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = r->connection->proxy_protocol_addr.data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_proxy_protocol_port(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_uint_t port; - - v->len = 0; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); - if (v->data == NULL) { - return NGX_ERROR; - } - - port = r->connection->proxy_protocol_port; - - if (port > 0 && port < 65536) { - v->len = ngx_sprintf(v->data, "%ui", port) - v->data; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_server_addr(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_str_t s; - u_char addr[NGX_SOCKADDR_STRLEN]; - - s.len = NGX_SOCKADDR_STRLEN; - s.data = addr; - - if (ngx_connection_local_sockaddr(r->connection, &s, 0) != NGX_OK) { - return NGX_ERROR; - } - - s.data = ngx_pnalloc(r->pool, s.len); - if (s.data == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(s.data, addr, s.len); - - v->len = s.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = s.data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_server_port(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_uint_t port; - - v->len = 0; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - if (ngx_connection_local_sockaddr(r->connection, NULL, 0) != NGX_OK) { - return NGX_ERROR; - } - - v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); - if (v->data == NULL) { - return NGX_ERROR; - } - - port = ngx_inet_get_port(r->connection->local_sockaddr); - - if (port > 0 && port < 65536) { - v->len = ngx_sprintf(v->data, "%ui", port) - v->data; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_scheme(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ -#if (NGX_HTTP_SSL) - - if (r->connection->ssl) { - v->len = sizeof("https") - 1; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = (u_char *) "https"; - - return NGX_OK; - } - -#endif - - v->len = sizeof("http") - 1; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = (u_char *) "http"; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_https(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ -#if (NGX_HTTP_SSL) - - if (r->connection->ssl) { - v->len = sizeof("on") - 1; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = (u_char *) "on"; - - return NGX_OK; - } - -#endif - - *v = ngx_http_variable_null_value; - - return NGX_OK; -} - - -static void -ngx_http_variable_set_args(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - r->args.len = v->len; - r->args.data = v->data; - r->valid_unparsed_uri = 0; -} - - -static ngx_int_t -ngx_http_variable_is_args(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - if (r->args.len == 0) { - *v = ngx_http_variable_null_value; - return NGX_OK; - } - - v->len = 1; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = (u_char *) "?"; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_document_root(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_str_t path; - ngx_http_core_loc_conf_t *clcf; - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (clcf->root_lengths == NULL) { - v->len = clcf->root.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = clcf->root.data; - - } else { - if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 0, - clcf->root_values->elts) - == NULL) - { - return NGX_ERROR; - } - - if (ngx_get_full_name(r->pool, (ngx_str_t *) &ngx_cycle->prefix, &path) - != NGX_OK) - { - return NGX_ERROR; - } - - v->len = path.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = path.data; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_realpath_root(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *real; - size_t len; - ngx_str_t path; - ngx_http_core_loc_conf_t *clcf; -#if (NGX_HAVE_MAX_PATH) - u_char buffer[NGX_MAX_PATH]; -#endif - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (clcf->root_lengths == NULL) { - path = clcf->root; - - } else { - if (ngx_http_script_run(r, &path, clcf->root_lengths->elts, 1, - clcf->root_values->elts) - == NULL) - { - return NGX_ERROR; - } - - path.data[path.len - 1] = '\0'; - - if (ngx_get_full_name(r->pool, (ngx_str_t *) &ngx_cycle->prefix, &path) - != NGX_OK) - { - return NGX_ERROR; - } - } - -#if (NGX_HAVE_MAX_PATH) - real = buffer; -#else - real = NULL; -#endif - - real = ngx_realpath(path.data, real); - - if (real == NULL) { - ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, - ngx_realpath_n " \"%s\" failed", path.data); - return NGX_ERROR; - } - - len = ngx_strlen(real); - - v->data = ngx_pnalloc(r->pool, len); - if (v->data == NULL) { -#if !(NGX_HAVE_MAX_PATH) - ngx_free(real); -#endif - return NGX_ERROR; - } - - v->len = len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - ngx_memcpy(v->data, real, len); - -#if !(NGX_HAVE_MAX_PATH) - ngx_free(real); -#endif - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_request_filename(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - size_t root; - ngx_str_t path; - - if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { - return NGX_ERROR; - } - - /* ngx_http_map_uri_to_path() allocates memory for terminating '\0' */ - - v->len = path.len - 1; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = path.data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_server_name(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_http_core_srv_conf_t *cscf; - - cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); - - v->len = cscf->server_name.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = cscf->server_name.data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_request_method(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - if (r->main->method_name.data) { - v->len = r->main->method_name.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = r->main->method_name.data; - - } else { - v->not_found = 1; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_remote_user(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_int_t rc; - - rc = ngx_http_auth_basic_user(r); - - if (rc == NGX_DECLINED) { - v->not_found = 1; - return NGX_OK; - } - - if (rc == NGX_ERROR) { - return NGX_ERROR; - } - - v->len = r->headers_in.user.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = r->headers_in.user.data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_bytes_sent(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - - p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); - if (p == NULL) { - return NGX_ERROR; - } - - v->len = ngx_sprintf(p, "%O", r->connection->sent) - p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_body_bytes_sent(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - off_t sent; - u_char *p; - - sent = r->connection->sent - r->header_size; - - if (sent < 0) { - sent = 0; - } - - p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); - if (p == NULL) { - return NGX_ERROR; - } - - v->len = ngx_sprintf(p, "%O", sent) - p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_pipe(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - v->data = (u_char *) (r->pipeline ? "p" : "."); - v->len = 1; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_status(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_uint_t status; - - v->data = ngx_pnalloc(r->pool, NGX_INT_T_LEN); - if (v->data == NULL) { - return NGX_ERROR; - } - - if (r->err_status) { - status = r->err_status; - - } else if (r->headers_out.status) { - status = r->headers_out.status; - - } else if (r->http_version == NGX_HTTP_VERSION_9) { - status = 9; - - } else { - status = 0; - } - - v->len = ngx_sprintf(v->data, "%03ui", status) - v->data; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_sent_content_type(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - if (r->headers_out.content_type.len) { - v->len = r->headers_out.content_type.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = r->headers_out.content_type.data; - - } else { - v->not_found = 1; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_sent_content_length(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - - if (r->headers_out.content_length) { - v->len = r->headers_out.content_length->value.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = r->headers_out.content_length->value.data; - - return NGX_OK; - } - - if (r->headers_out.content_length_n >= 0) { - p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); - if (p == NULL) { - return NGX_ERROR; - } - - v->len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; - } - - v->not_found = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_sent_location(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - ngx_str_t name; - - if (r->headers_out.location) { - v->len = r->headers_out.location->value.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = r->headers_out.location->value.data; - - return NGX_OK; - } - - ngx_str_set(&name, "sent_http_location"); - - return ngx_http_variable_unknown_header(v, &name, - &r->headers_out.headers.part, - sizeof("sent_http_") - 1); -} - - -static ngx_int_t -ngx_http_variable_sent_last_modified(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - - if (r->headers_out.last_modified) { - v->len = r->headers_out.last_modified->value.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = r->headers_out.last_modified->value.data; - - return NGX_OK; - } - - if (r->headers_out.last_modified_time >= 0) { - p = ngx_pnalloc(r->pool, sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1); - if (p == NULL) { - return NGX_ERROR; - } - - v->len = ngx_http_time(p, r->headers_out.last_modified_time) - p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; - } - - v->not_found = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_sent_connection(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - size_t len; - char *p; - - if (r->headers_out.status == NGX_HTTP_SWITCHING_PROTOCOLS) { - len = sizeof("upgrade") - 1; - p = "upgrade"; - - } else if (r->keepalive) { - len = sizeof("keep-alive") - 1; - p = "keep-alive"; - - } else { - len = sizeof("close") - 1; - p = "close"; - } - - v->len = len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = (u_char *) p; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_sent_keep_alive(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - ngx_http_core_loc_conf_t *clcf; - - if (r->keepalive) { - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (clcf->keepalive_header) { - - p = ngx_pnalloc(r->pool, sizeof("timeout=") - 1 + NGX_TIME_T_LEN); - if (p == NULL) { - return NGX_ERROR; - } - - v->len = ngx_sprintf(p, "timeout=%T", clcf->keepalive_header) - p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; - } - } - - v->not_found = 1; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - if (r->chunked) { - v->len = sizeof("chunked") - 1; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = (u_char *) "chunked"; - - } else { - v->not_found = 1; - } - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_request_completion(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - if (r->request_complete) { - v->len = 2; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = (u_char *) "OK"; - - return NGX_OK; - } - - *v = ngx_http_variable_null_value; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_request_body(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - size_t len; - ngx_buf_t *buf; - ngx_chain_t *cl; - - if (r->request_body == NULL - || r->request_body->bufs == NULL - || r->request_body->temp_file) - { - v->not_found = 1; - - return NGX_OK; - } - - cl = r->request_body->bufs; - buf = cl->buf; - - if (cl->next == NULL) { - v->len = buf->last - buf->pos; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = buf->pos; - - return NGX_OK; - } - - len = buf->last - buf->pos; - cl = cl->next; - - for ( /* void */ ; cl; cl = cl->next) { - buf = cl->buf; - len += buf->last - buf->pos; - } - - p = ngx_pnalloc(r->pool, len); - if (p == NULL) { - return NGX_ERROR; - } - - v->data = p; - cl = r->request_body->bufs; - - for ( /* void */ ; cl; cl = cl->next) { - buf = cl->buf; - p = ngx_cpymem(p, buf->pos, buf->last - buf->pos); - } - - v->len = len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_request_body_file(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - if (r->request_body == NULL || r->request_body->temp_file == NULL) { - v->not_found = 1; - - return NGX_OK; - } - - v->len = r->request_body->temp_file->file.name.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = r->request_body->temp_file->file.name.data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_request_length(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - - p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN); - if (p == NULL) { - return NGX_ERROR; - } - - v->len = ngx_sprintf(p, "%O", r->request_length) - p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_request_time(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - ngx_time_t *tp; - ngx_msec_int_t ms; - - p = ngx_pnalloc(r->pool, NGX_TIME_T_LEN + 4); - if (p == NULL) { - return NGX_ERROR; - } - - tp = ngx_timeofday(); - - ms = (ngx_msec_int_t) - ((tp->sec - r->start_sec) * 1000 + (tp->msec - r->start_msec)); - ms = ngx_max(ms, 0); - - v->len = ngx_sprintf(p, "%T.%03M", (time_t) ms / 1000, ms % 1000) - p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_request_id(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *id; - -#if (NGX_OPENSSL) - u_char random_bytes[16]; -#endif - - id = ngx_pnalloc(r->pool, 32); - if (id == NULL) { - return NGX_ERROR; - } - - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - - v->len = 32; - v->data = id; - -#if (NGX_OPENSSL) - - if (RAND_bytes(random_bytes, 16) == 1) { - ngx_hex_dump(id, random_bytes, 16); - return NGX_OK; - } - - ngx_ssl_error(NGX_LOG_ERR, r->connection->log, 0, "RAND_bytes() failed"); - -#endif - - ngx_sprintf(id, "%08xD%08xD%08xD%08xD", - (uint32_t) ngx_random(), (uint32_t) ngx_random(), - (uint32_t) ngx_random(), (uint32_t) ngx_random()); - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_connection(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - - p = ngx_pnalloc(r->pool, NGX_ATOMIC_T_LEN); - if (p == NULL) { - return NGX_ERROR; - } - - v->len = ngx_sprintf(p, "%uA", r->connection->number) - p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_connection_requests(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - - p = ngx_pnalloc(r->pool, NGX_INT_T_LEN); - if (p == NULL) { - return NGX_ERROR; - } - - v->len = ngx_sprintf(p, "%ui", r->connection->requests) - p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_nginx_version(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - v->len = sizeof(NGINX_VERSION) - 1; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = (u_char *) NGINX_VERSION; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_hostname(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - v->len = ngx_cycle->hostname.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = ngx_cycle->hostname.data; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_pid(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - - p = ngx_pnalloc(r->pool, NGX_INT64_LEN); - if (p == NULL) { - return NGX_ERROR; - } - - v->len = ngx_sprintf(p, "%P", ngx_pid) - p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_msec(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - ngx_time_t *tp; - - p = ngx_pnalloc(r->pool, NGX_TIME_T_LEN + 4); - if (p == NULL) { - return NGX_ERROR; - } - - tp = ngx_timeofday(); - - v->len = ngx_sprintf(p, "%T.%03M", tp->sec, tp->msec) - p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_time_iso8601(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - - p = ngx_pnalloc(r->pool, ngx_cached_http_log_iso8601.len); - if (p == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(p, ngx_cached_http_log_iso8601.data, - ngx_cached_http_log_iso8601.len); - - v->len = ngx_cached_http_log_iso8601.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_variable_time_local(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - - p = ngx_pnalloc(r->pool, ngx_cached_http_log_time.len); - if (p == NULL) { - return NGX_ERROR; - } - - ngx_memcpy(p, ngx_cached_http_log_time.data, ngx_cached_http_log_time.len); - - v->len = ngx_cached_http_log_time.len; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; -} - - -void * -ngx_http_map_find(ngx_http_request_t *r, ngx_http_map_t *map, ngx_str_t *match) -{ - void *value; - u_char *low; - size_t len; - ngx_uint_t key; - - len = match->len; - - if (len) { - low = ngx_pnalloc(r->pool, len); - if (low == NULL) { - return NULL; - } - - } else { - low = NULL; - } - - key = ngx_hash_strlow(low, match->data, len); - - value = ngx_hash_find_combined(&map->hash, key, low, len); - if (value) { - return value; - } - -#if (NGX_PCRE) - - if (len && map->nregex) { - ngx_int_t n; - ngx_uint_t i; - ngx_http_map_regex_t *reg; - - reg = map->regex; - - for (i = 0; i < map->nregex; i++) { - - n = ngx_http_regex_exec(r, reg[i].regex, match); - - if (n == NGX_OK) { - return reg[i].value; - } - - if (n == NGX_DECLINED) { - continue; - } - - /* NGX_ERROR */ - - return NULL; - } - } - -#endif - - return NULL; -} - - -#if (NGX_PCRE) - -static ngx_int_t -ngx_http_variable_not_found(ngx_http_request_t *r, ngx_http_variable_value_t *v, - uintptr_t data) -{ - v->not_found = 1; - return NGX_OK; -} - - -ngx_http_regex_t * -ngx_http_regex_compile(ngx_conf_t *cf, ngx_regex_compile_t *rc) -{ - u_char *p; - size_t size; - ngx_str_t name; - ngx_uint_t i, n; - ngx_http_variable_t *v; - ngx_http_regex_t *re; - ngx_http_regex_variable_t *rv; - ngx_http_core_main_conf_t *cmcf; - - rc->pool = cf->pool; - - if (ngx_regex_compile(rc) != NGX_OK) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc->err); - return NULL; - } - - re = ngx_pcalloc(cf->pool, sizeof(ngx_http_regex_t)); - if (re == NULL) { - return NULL; - } - - re->regex = rc->regex; - re->ncaptures = rc->captures; - re->name = rc->pattern; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - cmcf->ncaptures = ngx_max(cmcf->ncaptures, re->ncaptures); - - n = (ngx_uint_t) rc->named_captures; - - if (n == 0) { - return re; - } - - rv = ngx_palloc(rc->pool, n * sizeof(ngx_http_regex_variable_t)); - if (rv == NULL) { - return NULL; - } - - re->variables = rv; - re->nvariables = n; - - size = rc->name_size; - p = rc->names; - - for (i = 0; i < n; i++) { - rv[i].capture = 2 * ((p[0] << 8) + p[1]); - - name.data = &p[2]; - name.len = ngx_strlen(name.data); - - v = ngx_http_add_variable(cf, &name, NGX_HTTP_VAR_CHANGEABLE); - if (v == NULL) { - return NULL; - } - - rv[i].index = ngx_http_get_variable_index(cf, &name); - if (rv[i].index == NGX_ERROR) { - return NULL; - } - - v->get_handler = ngx_http_variable_not_found; - - p += size; - } - - return re; -} - - -ngx_int_t -ngx_http_regex_exec(ngx_http_request_t *r, ngx_http_regex_t *re, ngx_str_t *s) -{ - ngx_int_t rc, index; - ngx_uint_t i, n, len; - ngx_http_variable_value_t *vv; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); - - if (re->ncaptures) { - len = cmcf->ncaptures; - - if (r->captures == NULL) { - r->captures = ngx_palloc(r->pool, len * sizeof(int)); - if (r->captures == NULL) { - return NGX_ERROR; - } - } - - } else { - len = 0; - } - - rc = ngx_regex_exec(re->regex, s, r->captures, len); - - if (rc == NGX_REGEX_NO_MATCHED) { - return NGX_DECLINED; - } - - if (rc < 0) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - ngx_regex_exec_n " failed: %i on \"%V\" using \"%V\"", - rc, s, &re->name); - return NGX_ERROR; - } - - for (i = 0; i < re->nvariables; i++) { - - n = re->variables[i].capture; - index = re->variables[i].index; - vv = &r->variables[index]; - - vv->len = r->captures[n + 1] - r->captures[n]; - vv->valid = 1; - vv->no_cacheable = 0; - vv->not_found = 0; - vv->data = &s->data[r->captures[n]]; - -#if (NGX_DEBUG) - { - ngx_http_variable_t *v; - - v = cmcf->variables.elts; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http regex set $%V to \"%v\"", &v[index].name, vv); - } -#endif - } - - r->ncaptures = rc * 2; - r->captures_data = s->data; - - return NGX_OK; -} - -#endif - - -ngx_int_t -ngx_http_variables_add_core_vars(ngx_conf_t *cf) -{ - ngx_http_variable_t *cv, *v; - ngx_http_core_main_conf_t *cmcf; - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - cmcf->variables_keys = ngx_pcalloc(cf->temp_pool, - sizeof(ngx_hash_keys_arrays_t)); - if (cmcf->variables_keys == NULL) { - return NGX_ERROR; - } - - cmcf->variables_keys->pool = cf->pool; - cmcf->variables_keys->temp_pool = cf->pool; - - if (ngx_hash_keys_array_init(cmcf->variables_keys, NGX_HASH_SMALL) - != NGX_OK) - { - return NGX_ERROR; - } - - if (ngx_array_init(&cmcf->prefix_variables, cf->pool, 8, - sizeof(ngx_http_variable_t)) - != NGX_OK) - { - return NGX_ERROR; - } - - for (cv = ngx_http_core_variables; cv->name.len; cv++) { - v = ngx_http_add_variable(cf, &cv->name, cv->flags); - if (v == NULL) { - return NGX_ERROR; - } - - *v = *cv; - } - - return NGX_OK; -} - - -ngx_int_t -ngx_http_variables_init_vars(ngx_conf_t *cf) -{ - size_t len; - ngx_uint_t i, n; - ngx_hash_key_t *key; - ngx_hash_init_t hash; - ngx_http_variable_t *v, *av, *pv; - ngx_http_core_main_conf_t *cmcf; - - /* set the handlers for the indexed http variables */ - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - v = cmcf->variables.elts; - pv = cmcf->prefix_variables.elts; - key = cmcf->variables_keys->keys.elts; - - for (i = 0; i < cmcf->variables.nelts; i++) { - - for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { - - av = key[n].value; - - if (v[i].name.len == key[n].key.len - && ngx_strncmp(v[i].name.data, key[n].key.data, v[i].name.len) - == 0) - { - v[i].get_handler = av->get_handler; - v[i].data = av->data; - - av->flags |= NGX_HTTP_VAR_INDEXED; - v[i].flags = av->flags; - - av->index = i; - - if (av->get_handler == NULL - || (av->flags & NGX_HTTP_VAR_WEAK)) - { - break; - } - - goto next; - } - } - - len = 0; - av = NULL; - - for (n = 0; n < cmcf->prefix_variables.nelts; n++) { - if (v[i].name.len >= pv[n].name.len && v[i].name.len > len - && ngx_strncmp(v[i].name.data, pv[n].name.data, pv[n].name.len) - == 0) - { - av = &pv[n]; - len = pv[n].name.len; - } - } - - if (av) { - v[i].get_handler = av->get_handler; - v[i].data = (uintptr_t) &v[i].name; - v[i].flags = av->flags; - - goto next; - } - - if (v[i].get_handler == NULL) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "unknown \"%V\" variable", &v[i].name); - - return NGX_ERROR; - } - - next: - continue; - } - - - for (n = 0; n < cmcf->variables_keys->keys.nelts; n++) { - av = key[n].value; - - if (av->flags & NGX_HTTP_VAR_NOHASH) { - key[n].key.data = NULL; - } - } - - - hash.hash = &cmcf->variables_hash; - hash.key = ngx_hash_key; - hash.max_size = cmcf->variables_hash_max_size; - hash.bucket_size = cmcf->variables_hash_bucket_size; - hash.name = "variables_hash"; - hash.pool = cf->pool; - hash.temp_pool = NULL; - - if (ngx_hash_init(&hash, cmcf->variables_keys->keys.elts, - cmcf->variables_keys->keys.nelts) - != NGX_OK) - { - return NGX_ERROR; - } - - cmcf->variables_keys = NULL; - - return NGX_OK; -} -- cgit 1.2.3-korg