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Diffstat (limited to 'app/nginx/src/http/ngx_http_variables.c')
-rw-r--r--app/nginx/src/http/ngx_http_variables.c2685
1 files changed, 0 insertions, 2685 deletions
diff --git a/app/nginx/src/http/ngx_http_variables.c b/app/nginx/src/http/ngx_http_variables.c
deleted file mode 100644
index 6138819..0000000
--- a/app/nginx/src/http/ngx_http_variables.c
+++ /dev/null
@@ -1,2685 +0,0 @@
-
-/*
- * Copyright (C) Igor Sysoev
- * Copyright (C) Nginx, Inc.
- */
-
-
-#include <ngx_config.h>
-#include <ngx_core.h>
-#include <ngx_http.h>
-#include <nginx.h>
-
-
-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_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("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("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_null_string, NULL, NULL, 0, 0, 0 }
-};
-
-
-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;
- }
-
- v->flags &= 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;
- }
-
- v->flags &= 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);
-}
-
-
-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 (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
-
- 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)
-{
- v->valid = 1;
- v->no_cacheable = 0;
- v->not_found = 0;
-
- if (r->args.len == 0) {
- v->len = 0;
- v->data = NULL;
- return NGX_OK;
- }
-
- v->len = 1;
- 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->len = 0;
- 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_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;
-}