499 lines
15 KiB
C
499 lines
15 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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*/
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#ifndef _NGX_HTTP_CORE_H_INCLUDED_
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#define _NGX_HTTP_CORE_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_http.h>
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#define NGX_HTTP_GZIP_PROXIED_OFF 0x0002
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#define NGX_HTTP_GZIP_PROXIED_EXPIRED 0x0004
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#define NGX_HTTP_GZIP_PROXIED_NO_CACHE 0x0008
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#define NGX_HTTP_GZIP_PROXIED_NO_STORE 0x0010
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#define NGX_HTTP_GZIP_PROXIED_PRIVATE 0x0020
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#define NGX_HTTP_GZIP_PROXIED_NO_LM 0x0040
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#define NGX_HTTP_GZIP_PROXIED_NO_ETAG 0x0080
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#define NGX_HTTP_GZIP_PROXIED_AUTH 0x0100
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#define NGX_HTTP_GZIP_PROXIED_ANY 0x0200
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#define NGX_HTTP_SATISFY_ALL 0
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#define NGX_HTTP_SATISFY_ANY 1
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#define NGX_HTTP_IMS_OFF 0
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#define NGX_HTTP_IMS_EXACT 1
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#define NGX_HTTP_IMS_BEFORE 2
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typedef struct ngx_http_location_tree_node_s ngx_http_location_tree_node_t;
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typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t;
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typedef struct {
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unsigned default_server:1;
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unsigned bind:1;
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unsigned wildcard:1;
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#if (NGX_HTTP_SSL)
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unsigned ssl:1;
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#endif
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#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
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unsigned ipv6only:2;
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#endif
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int backlog;
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int rcvbuf;
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int sndbuf;
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#if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
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char *accept_filter;
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#endif
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#if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
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ngx_uint_t deferred_accept;
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#endif
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u_char addr[NGX_SOCKADDR_STRLEN + 1];
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} ngx_http_listen_conf_t;
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typedef struct {
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u_char sockaddr[NGX_SOCKADDRLEN];
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socklen_t socklen;
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u_char *file_name;
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ngx_uint_t line;
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ngx_http_listen_conf_t conf;
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} ngx_http_listen_t;
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typedef enum {
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NGX_HTTP_POST_READ_PHASE = 0,
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NGX_HTTP_SERVER_REWRITE_PHASE,
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NGX_HTTP_FIND_CONFIG_PHASE,
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NGX_HTTP_REWRITE_PHASE,
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NGX_HTTP_POST_REWRITE_PHASE,
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NGX_HTTP_PREACCESS_PHASE,
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NGX_HTTP_ACCESS_PHASE,
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NGX_HTTP_POST_ACCESS_PHASE,
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NGX_HTTP_TRY_FILES_PHASE,
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NGX_HTTP_CONTENT_PHASE,
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NGX_HTTP_LOG_PHASE
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} ngx_http_phases;
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typedef struct ngx_http_phase_handler_s ngx_http_phase_handler_t;
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typedef ngx_int_t (*ngx_http_phase_handler_pt)(ngx_http_request_t *r,
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ngx_http_phase_handler_t *ph);
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struct ngx_http_phase_handler_s {
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ngx_http_phase_handler_pt checker;
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ngx_http_handler_pt handler;
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ngx_uint_t next;
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};
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typedef struct {
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ngx_http_phase_handler_t *handlers;
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ngx_uint_t server_rewrite_index;
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ngx_uint_t location_rewrite_index;
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} ngx_http_phase_engine_t;
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typedef struct {
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ngx_array_t handlers;
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} ngx_http_phase_t;
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typedef struct {
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ngx_array_t servers; /* ngx_http_core_srv_conf_t */
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ngx_http_phase_engine_t phase_engine;
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ngx_hash_t headers_in_hash;
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ngx_hash_t variables_hash;
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ngx_array_t variables; /* ngx_http_variable_t */
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ngx_uint_t server_names_hash_max_size;
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ngx_uint_t server_names_hash_bucket_size;
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ngx_uint_t variables_hash_max_size;
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ngx_uint_t variables_hash_bucket_size;
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ngx_hash_keys_arrays_t *variables_keys;
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ngx_uint_t try_files; /* unsigned try_files:1 */
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ngx_http_phase_t phases[NGX_HTTP_LOG_PHASE + 1];
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} ngx_http_core_main_conf_t;
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typedef struct {
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/* array of the ngx_http_listen_t, "listen" directive */
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ngx_array_t listen;
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/* array of the ngx_http_server_name_t, "server_name" directive */
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ngx_array_t server_names;
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/* server ctx */
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ngx_http_conf_ctx_t *ctx;
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ngx_str_t server_name;
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size_t connection_pool_size;
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size_t request_pool_size;
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size_t client_header_buffer_size;
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ngx_bufs_t large_client_header_buffers;
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ngx_msec_t client_header_timeout;
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ngx_flag_t ignore_invalid_headers;
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ngx_flag_t merge_slashes;
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ngx_flag_t underscores_in_headers;
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ngx_http_core_loc_conf_t **named_locations;
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} ngx_http_core_srv_conf_t;
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/* list of structures to find core_srv_conf quickly at run time */
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typedef struct {
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/* the default server configuration for this address:port */
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ngx_http_core_srv_conf_t *core_srv_conf;
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ngx_http_virtual_names_t *virtual_names;
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#if (NGX_HTTP_SSL)
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ngx_uint_t ssl; /* unsigned ssl:1; */
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#endif
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} ngx_http_addr_conf_t;
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typedef struct {
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in_addr_t addr;
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ngx_http_addr_conf_t conf;
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} ngx_http_in_addr_t;
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#if (NGX_HAVE_INET6)
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typedef struct {
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struct in6_addr addr6;
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ngx_http_addr_conf_t conf;
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} ngx_http_in6_addr_t;
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#endif
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typedef struct {
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/* ngx_http_in_addr_t or ngx_http_in6_addr_t */
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void *addrs;
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ngx_uint_t naddrs;
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} ngx_http_port_t;
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typedef struct {
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ngx_int_t family;
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in_port_t port;
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ngx_array_t addrs; /* array of ngx_http_conf_addr_t */
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} ngx_http_conf_port_t;
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typedef struct {
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struct sockaddr *sockaddr;
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socklen_t socklen;
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ngx_hash_t hash;
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ngx_hash_wildcard_t *wc_head;
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ngx_hash_wildcard_t *wc_tail;
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ngx_array_t names; /* array of ngx_http_server_name_t */
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#if (NGX_PCRE)
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ngx_uint_t nregex;
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ngx_http_server_name_t *regex;
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#endif
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/* the default server configuration for this address:port */
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ngx_http_core_srv_conf_t *core_srv_conf;
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unsigned default_server:1;
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unsigned bind:1;
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unsigned wildcard:1;
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#if (NGX_HTTP_SSL)
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unsigned ssl:1;
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#endif
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ngx_http_listen_conf_t *listen_conf;
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} ngx_http_conf_addr_t;
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struct ngx_http_server_name_s {
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#if (NGX_PCRE)
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ngx_regex_t *regex;
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ngx_uint_t captures; /* unsigned captures:1; */
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#endif
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ngx_http_core_srv_conf_t *core_srv_conf; /* virtual name server conf */
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ngx_str_t name;
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};
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typedef struct {
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ngx_int_t status;
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ngx_int_t overwrite;
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ngx_http_complex_value_t value;
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ngx_str_t args;
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} ngx_http_err_page_t;
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typedef struct {
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ngx_array_t *lengths;
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ngx_array_t *values;
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ngx_str_t name;
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unsigned code:10;
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unsigned test_dir:1;
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} ngx_http_try_file_t;
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struct ngx_http_core_loc_conf_s {
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ngx_str_t name; /* location name */
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#if (NGX_PCRE)
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ngx_regex_t *regex;
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unsigned captures:1;
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#endif
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unsigned noname:1; /* "if () {}" block or limit_except */
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unsigned named:1;
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unsigned exact_match:1;
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unsigned noregex:1;
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unsigned auto_redirect:1;
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unsigned alias:1;
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#if (NGX_HTTP_GZIP)
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unsigned gzip_disable_msie6:2;
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#endif
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ngx_http_location_tree_node_t *static_locations;
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#if (NGX_PCRE)
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ngx_http_core_loc_conf_t **regex_locations;
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#endif
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/* pointer to the modules' loc_conf */
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void **loc_conf;
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uint32_t limit_except;
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void **limit_except_loc_conf;
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ngx_http_handler_pt handler;
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ngx_str_t root; /* root, alias */
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ngx_str_t post_action;
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ngx_array_t *root_lengths;
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ngx_array_t *root_values;
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ngx_array_t *types;
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ngx_hash_t types_hash;
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ngx_str_t default_type;
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off_t client_max_body_size; /* client_max_body_size */
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off_t directio; /* directio */
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size_t client_body_buffer_size; /* client_body_buffer_size */
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size_t send_lowat; /* send_lowat */
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size_t postpone_output; /* postpone_output */
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size_t limit_rate; /* limit_rate */
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size_t sendfile_max_chunk; /* sendfile_max_chunk */
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ngx_msec_t client_body_timeout; /* client_body_timeout */
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ngx_msec_t send_timeout; /* send_timeout */
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ngx_msec_t keepalive_timeout; /* keepalive_timeout */
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ngx_msec_t lingering_time; /* lingering_time */
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ngx_msec_t lingering_timeout; /* lingering_timeout */
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ngx_msec_t resolver_timeout; /* resolver_timeout */
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ngx_resolver_t *resolver; /* resolver */
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time_t keepalive_header; /* keepalive_timeout */
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ngx_uint_t satisfy; /* satisfy */
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ngx_uint_t if_modified_since; /* if_modified_since */
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ngx_flag_t internal; /* internal */
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ngx_flag_t client_body_in_file_only; /* client_body_in_file_only */
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ngx_flag_t sendfile; /* sendfile */
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ngx_flag_t tcp_nopush; /* tcp_nopush */
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ngx_flag_t tcp_nodelay; /* tcp_nodelay */
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ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */
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ngx_flag_t server_name_in_redirect; /* server_name_in_redirect */
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ngx_flag_t port_in_redirect; /* port_in_redirect */
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ngx_flag_t msie_padding; /* msie_padding */
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ngx_flag_t msie_refresh; /* msie_refresh */
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ngx_flag_t log_not_found; /* log_not_found */
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ngx_flag_t log_subrequest; /* log_subrequest */
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ngx_flag_t recursive_error_pages; /* recursive_error_pages */
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ngx_flag_t server_tokens; /* server_tokens */
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#if (NGX_HTTP_GZIP)
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ngx_flag_t gzip_vary; /* gzip_vary */
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ngx_uint_t gzip_http_version; /* gzip_http_version */
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ngx_uint_t gzip_proxied; /* gzip_proxied */
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#if (NGX_PCRE)
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ngx_array_t *gzip_disable; /* gzip_disable */
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#endif
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#endif
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ngx_array_t *error_pages; /* error_page */
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ngx_http_try_file_t *try_files; /* try_files */
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ngx_path_t *client_body_temp_path; /* client_body_temp_path */
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ngx_open_file_cache_t *open_file_cache;
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time_t open_file_cache_valid;
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ngx_uint_t open_file_cache_min_uses;
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ngx_flag_t open_file_cache_errors;
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ngx_flag_t open_file_cache_events;
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ngx_log_t *err_log;
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ngx_uint_t types_hash_max_size;
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ngx_uint_t types_hash_bucket_size;
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ngx_queue_t *locations;
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#if 0
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ngx_http_core_loc_conf_t *prev_location;
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#endif
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};
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typedef struct {
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ngx_queue_t queue;
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ngx_http_core_loc_conf_t *exact;
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ngx_http_core_loc_conf_t *inclusive;
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ngx_str_t *name;
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u_char *file_name;
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ngx_uint_t line;
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ngx_queue_t list;
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} ngx_http_location_queue_t;
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struct ngx_http_location_tree_node_s {
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ngx_http_location_tree_node_t *left;
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ngx_http_location_tree_node_t *right;
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ngx_http_location_tree_node_t *tree;
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ngx_http_core_loc_conf_t *exact;
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ngx_http_core_loc_conf_t *inclusive;
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u_char auto_redirect;
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u_char len;
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u_char name[1];
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};
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void ngx_http_core_run_phases(ngx_http_request_t *r);
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ngx_int_t ngx_http_core_generic_phase(ngx_http_request_t *r,
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ngx_http_phase_handler_t *ph);
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ngx_int_t ngx_http_core_find_config_phase(ngx_http_request_t *r,
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ngx_http_phase_handler_t *ph);
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ngx_int_t ngx_http_core_post_rewrite_phase(ngx_http_request_t *r,
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ngx_http_phase_handler_t *ph);
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ngx_int_t ngx_http_core_access_phase(ngx_http_request_t *r,
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ngx_http_phase_handler_t *ph);
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ngx_int_t ngx_http_core_post_access_phase(ngx_http_request_t *r,
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ngx_http_phase_handler_t *ph);
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ngx_int_t ngx_http_core_try_files_phase(ngx_http_request_t *r,
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ngx_http_phase_handler_t *ph);
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ngx_int_t ngx_http_core_content_phase(ngx_http_request_t *r,
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ngx_http_phase_handler_t *ph);
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void *ngx_http_test_content_type(ngx_http_request_t *r, ngx_hash_t *types_hash);
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ngx_int_t ngx_http_set_content_type(ngx_http_request_t *r);
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ngx_int_t ngx_http_set_exten(ngx_http_request_t *r);
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u_char *ngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *name,
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size_t *root_length, size_t reserved);
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ngx_int_t ngx_http_auth_basic_user(ngx_http_request_t *r);
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ngx_int_t ngx_http_server_addr(ngx_http_request_t *r, ngx_str_t *s);
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#if (NGX_HTTP_GZIP)
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ngx_int_t ngx_http_gzip_ok(ngx_http_request_t *r);
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#endif
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ngx_int_t ngx_http_subrequest(ngx_http_request_t *r,
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ngx_str_t *uri, ngx_str_t *args, ngx_http_request_t **sr,
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ngx_http_post_subrequest_t *psr, ngx_uint_t flags);
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ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r,
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ngx_str_t *uri, ngx_str_t *args);
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ngx_int_t ngx_http_named_location(ngx_http_request_t *r, ngx_str_t *name);
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ngx_http_cleanup_t *ngx_http_cleanup_add(ngx_http_request_t *r, size_t size);
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typedef ngx_int_t (*ngx_http_output_header_filter_pt)(ngx_http_request_t *r);
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typedef ngx_int_t (*ngx_http_output_body_filter_pt)
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(ngx_http_request_t *r, ngx_chain_t *chain);
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ngx_int_t ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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ngx_int_t ngx_http_write_filter(ngx_http_request_t *r, ngx_chain_t *chain);
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extern ngx_module_t ngx_http_core_module;
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extern ngx_uint_t ngx_http_max_module;
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extern ngx_str_t ngx_http_core_get_method;
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#define ngx_http_clear_content_length(r) \
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\
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r->headers_out.content_length_n = -1; \
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if (r->headers_out.content_length) { \
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r->headers_out.content_length->hash = 0; \
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r->headers_out.content_length = NULL; \
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}
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\
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#define ngx_http_clear_accept_ranges(r) \
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\
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r->allow_ranges = 0; \
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if (r->headers_out.accept_ranges) { \
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r->headers_out.accept_ranges->hash = 0; \
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r->headers_out.accept_ranges = NULL; \
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}
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#define ngx_http_clear_last_modified(r) \
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\
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r->headers_out.last_modified_time = -1; \
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if (r->headers_out.last_modified) { \
|
|
r->headers_out.last_modified->hash = 0; \
|
|
r->headers_out.last_modified = NULL; \
|
|
}
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|
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#endif /* _NGX_HTTP_CORE_H_INCLUDED_ */
|