| |
| /* |
| * Copyright (C) Igor Sysoev |
| */ |
| |
| |
| #include <ngx_config.h> |
| #include <ngx_core.h> |
| #include <ngx_event.h> |
| #include <ngx_http.h> |
| #include <nginx.h> |
| |
| |
| #define NGX_HTTP_LOCATION_EXACT 1 |
| #define NGX_HTTP_LOCATION_AUTO_REDIRECT 2 |
| #define NGX_HTTP_LOCATION_NOREGEX 3 |
| #define NGX_HTTP_LOCATION_REGEX 4 |
| |
| |
| static void ngx_http_core_run_phases(ngx_http_request_t *r); |
| static ngx_int_t ngx_http_core_find_location(ngx_http_request_t *r, |
| ngx_array_t *locations, size_t len); |
| |
| static ngx_int_t ngx_http_core_preconfiguration(ngx_conf_t *cf); |
| static ngx_int_t ngx_http_core_postconfiguration(ngx_conf_t *cf); |
| static void *ngx_http_core_create_main_conf(ngx_conf_t *cf); |
| static char *ngx_http_core_init_main_conf(ngx_conf_t *cf, void *conf); |
| static void *ngx_http_core_create_srv_conf(ngx_conf_t *cf); |
| static char *ngx_http_core_merge_srv_conf(ngx_conf_t *cf, |
| void *parent, void *child); |
| static void *ngx_http_core_create_loc_conf(ngx_conf_t *cf); |
| static char *ngx_http_core_merge_loc_conf(ngx_conf_t *cf, |
| void *parent, void *child); |
| |
| static char *ngx_http_core_server(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *dummy); |
| static char *ngx_http_core_location(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *dummy); |
| static int ngx_libc_cdecl ngx_http_core_cmp_locations(const void *first, |
| const void *second); |
| |
| static char *ngx_http_core_types(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *conf); |
| static char *ngx_http_core_type(ngx_conf_t *cf, ngx_command_t *dummy, |
| void *conf); |
| |
| static char *ngx_http_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *conf); |
| static char *ngx_http_core_server_name(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *conf); |
| static char *ngx_http_core_root(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| static char *ngx_http_core_error_page(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *conf); |
| static char *ngx_http_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *conf); |
| static char *ngx_http_core_keepalive(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *conf); |
| static char *ngx_http_core_internal(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *conf); |
| |
| static char *ngx_http_core_lowat_check(ngx_conf_t *cf, void *post, void *data); |
| |
| static ngx_conf_post_t ngx_http_core_lowat_post = |
| { ngx_http_core_lowat_check }; |
| |
| |
| static ngx_conf_enum_t ngx_http_restrict_host_names[] = { |
| { ngx_string("off"), NGX_HTTP_RESTRICT_HOST_OFF }, |
| { ngx_string("on"), NGX_HTTP_RESTRICT_HOST_ON }, |
| { ngx_string("close"), NGX_HTTP_RESTRICT_HOST_CLOSE }, |
| { ngx_null_string, 0 } |
| }; |
| |
| |
| static ngx_command_t ngx_http_core_commands[] = { |
| |
| { ngx_string("server_names_hash"), |
| NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_num_slot, |
| NGX_HTTP_MAIN_CONF_OFFSET, |
| offsetof(ngx_http_core_main_conf_t, server_names_hash), |
| NULL }, |
| |
| { ngx_string("server_names_hash_threshold"), |
| NGX_HTTP_MAIN_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_num_slot, |
| NGX_HTTP_MAIN_CONF_OFFSET, |
| offsetof(ngx_http_core_main_conf_t, server_names_hash_threshold), |
| NULL }, |
| |
| { ngx_string("server"), |
| NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, |
| ngx_http_core_server, |
| 0, |
| 0, |
| NULL }, |
| |
| { ngx_string("connection_pool_size"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_size_slot, |
| NGX_HTTP_SRV_CONF_OFFSET, |
| offsetof(ngx_http_core_srv_conf_t, connection_pool_size), |
| NULL }, |
| |
| { ngx_string("request_pool_size"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_size_slot, |
| NGX_HTTP_SRV_CONF_OFFSET, |
| offsetof(ngx_http_core_srv_conf_t, request_pool_size), |
| NULL }, |
| |
| { ngx_string("client_header_timeout"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_msec_slot, |
| NGX_HTTP_SRV_CONF_OFFSET, |
| offsetof(ngx_http_core_srv_conf_t, client_header_timeout), |
| NULL }, |
| |
| { ngx_string("client_header_buffer_size"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_size_slot, |
| NGX_HTTP_SRV_CONF_OFFSET, |
| offsetof(ngx_http_core_srv_conf_t, client_header_buffer_size), |
| NULL }, |
| |
| { ngx_string("large_client_header_buffers"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE2, |
| ngx_conf_set_bufs_slot, |
| NGX_HTTP_SRV_CONF_OFFSET, |
| offsetof(ngx_http_core_srv_conf_t, large_client_header_buffers), |
| NULL }, |
| |
| { ngx_string("restrict_host_names"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_enum_slot, |
| NGX_HTTP_SRV_CONF_OFFSET, |
| offsetof(ngx_http_core_srv_conf_t, restrict_host_names), |
| &ngx_http_restrict_host_names }, |
| |
| { ngx_string("ignore_invalid_headers"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, |
| ngx_conf_set_flag_slot, |
| NGX_HTTP_SRV_CONF_OFFSET, |
| offsetof(ngx_http_core_srv_conf_t, ignore_invalid_headers), |
| NULL }, |
| |
| { ngx_string("location"), |
| NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE12, |
| ngx_http_core_location, |
| NGX_HTTP_SRV_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("listen"), |
| #if 0 |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, |
| #else |
| NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, |
| #endif |
| ngx_http_core_listen, |
| NGX_HTTP_SRV_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("server_name"), |
| NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, |
| ngx_http_core_server_name, |
| NGX_HTTP_SRV_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("types"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF |
| |NGX_CONF_BLOCK|NGX_CONF_NOARGS, |
| ngx_http_core_types, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("default_type"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_str_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, default_type), |
| NULL }, |
| |
| { ngx_string("root"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
| |NGX_CONF_TAKE1, |
| ngx_http_core_root, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("alias"), |
| NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| ngx_http_core_root, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("client_max_body_size"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_size_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, client_max_body_size), |
| NULL }, |
| |
| { ngx_string("client_body_buffer_size"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_size_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, client_body_buffer_size), |
| NULL }, |
| |
| { ngx_string("client_body_timeout"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_msec_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, client_body_timeout), |
| NULL }, |
| |
| { ngx_string("client_body_temp_path"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, |
| ngx_conf_set_path_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, client_body_temp_path), |
| (void *) ngx_garbage_collector_temp_handler }, |
| |
| { ngx_string("sendfile"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| ngx_conf_set_flag_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, sendfile), |
| NULL }, |
| |
| { ngx_string("tcp_nopush"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| ngx_conf_set_flag_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, tcp_nopush), |
| NULL }, |
| |
| { ngx_string("tcp_nodelay"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| ngx_conf_set_flag_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, tcp_nodelay), |
| NULL }, |
| |
| { ngx_string("send_timeout"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_msec_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, send_timeout), |
| NULL }, |
| |
| { ngx_string("send_lowat"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_size_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, send_lowat), |
| &ngx_http_core_lowat_post }, |
| |
| { ngx_string("postpone_output"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_size_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, postpone_output), |
| NULL }, |
| |
| { ngx_string("limit_rate"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
| |NGX_CONF_TAKE1, |
| ngx_conf_set_size_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, limit_rate), |
| NULL }, |
| |
| { ngx_string("keepalive_timeout"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, |
| ngx_http_core_keepalive, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("satisfy_any"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| ngx_conf_set_flag_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, satisfy_any), |
| NULL }, |
| |
| { ngx_string("internal"), |
| NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, |
| ngx_http_core_internal, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("lingering_time"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_msec_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, lingering_time), |
| NULL }, |
| |
| { ngx_string("lingering_timeout"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| ngx_conf_set_msec_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, lingering_timeout), |
| NULL }, |
| |
| { ngx_string("reset_timedout_connection"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| ngx_conf_set_flag_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, reset_timedout_connection), |
| NULL }, |
| |
| { ngx_string("port_in_redirect"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| ngx_conf_set_flag_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, port_in_redirect), |
| NULL }, |
| |
| { ngx_string("msie_padding"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| ngx_conf_set_flag_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, msie_padding), |
| NULL }, |
| |
| { ngx_string("log_not_found"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
| ngx_conf_set_flag_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, log_not_found), |
| NULL }, |
| |
| { ngx_string("error_page"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
| |NGX_CONF_2MORE, |
| ngx_http_core_error_page, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("error_log"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
| ngx_http_core_error_log, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| #if (NGX_HTTP_CACHE) |
| |
| { ngx_string("open_file_cache"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE4, |
| ngx_http_set_cache_slot, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| offsetof(ngx_http_core_loc_conf_t, open_files), |
| NULL }, |
| |
| #endif |
| |
| ngx_null_command |
| }; |
| |
| |
| ngx_http_module_t ngx_http_core_module_ctx = { |
| ngx_http_core_preconfiguration, /* preconfiguration */ |
| ngx_http_core_postconfiguration, /* postconfiguration */ |
| |
| ngx_http_core_create_main_conf, /* create main configuration */ |
| ngx_http_core_init_main_conf, /* init main configuration */ |
| |
| ngx_http_core_create_srv_conf, /* create server configuration */ |
| ngx_http_core_merge_srv_conf, /* merge server configuration */ |
| |
| ngx_http_core_create_loc_conf, /* create location configuration */ |
| ngx_http_core_merge_loc_conf /* merge location configuration */ |
| }; |
| |
| |
| ngx_module_t ngx_http_core_module = { |
| NGX_MODULE_V1, |
| &ngx_http_core_module_ctx, /* module context */ |
| ngx_http_core_commands, /* module directives */ |
| NGX_HTTP_MODULE, /* module type */ |
| NULL, /* init master */ |
| NULL, /* init module */ |
| NULL, /* init process */ |
| NULL, /* init thread */ |
| NULL, /* exit thread */ |
| NULL, /* exit process */ |
| NULL, /* exit master */ |
| NGX_MODULE_V1_PADDING |
| }; |
| |
| |
| void |
| ngx_http_handler(ngx_http_request_t *r) |
| { |
| r->connection->log->action = NULL; |
| |
| r->connection->unexpected_eof = 0; |
| |
| if (r->err_ctx == NULL) { |
| switch (r->headers_in.connection_type) { |
| case 0: |
| if (r->http_version > NGX_HTTP_VERSION_10) { |
| r->keepalive = 1; |
| } else { |
| r->keepalive = 0; |
| } |
| break; |
| |
| case NGX_HTTP_CONNECTION_CLOSE: |
| r->keepalive = 0; |
| break; |
| |
| case NGX_HTTP_CONNECTION_KEEP_ALIVE: |
| r->keepalive = 1; |
| break; |
| } |
| |
| if (r->keepalive && r->headers_in.msie && r->method == NGX_HTTP_POST) { |
| |
| /* |
| * MSIE may wait for some time if the response for the POST request |
| * is sent over the keepalive connection |
| */ |
| |
| r->keepalive = 0; |
| } |
| |
| if (r->headers_in.content_length_n > 0) { |
| r->lingering_close = 1; |
| |
| } else { |
| r->lingering_close = 0; |
| } |
| } |
| |
| r->write_event_handler = ngx_http_core_run_phases; |
| |
| r->valid_unparsed_uri = 1; |
| r->valid_location = 1; |
| r->uri_changed = 1; |
| r->uri_changes = NGX_HTTP_MAX_REWRITE_CYCLES + 1; |
| |
| r->phase = NGX_HTTP_REWRITE_PHASE; |
| r->phase_handler = 0; |
| |
| ngx_http_core_run_phases(r); |
| } |
| |
| |
| static void |
| ngx_http_core_run_phases(ngx_http_request_t *r) |
| { |
| ngx_int_t rc; |
| ngx_http_handler_pt *h; |
| ngx_http_core_loc_conf_t *clcf; |
| ngx_http_core_main_conf_t *cmcf; |
| |
| ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "http phase handler"); |
| |
| cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module); |
| |
| for (/* void */; r->phase < NGX_HTTP_LAST_PHASE; r->phase++) { |
| |
| if (r->phase == NGX_HTTP_REWRITE_PHASE + 1 && r->uri_changed) { |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "uri changes: %d", r->uri_changes); |
| |
| /* |
| * gcc before 3.3 compiles the broken code for |
| * if (r->uri_changes-- == 0) |
| * if the r->uri_changes is defined as |
| * unsigned uri_changes:4 |
| */ |
| |
| r->uri_changes--; |
| |
| if (r->uri_changes == 0) { |
| ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
| "rewrite cycle"); |
| ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
| return; |
| } |
| |
| r->phase = NGX_HTTP_FIND_CONFIG_PHASE; |
| } |
| |
| if (r->phase == NGX_HTTP_ACCESS_PHASE && r->main != r) { |
| continue; |
| } |
| |
| if (r->phase == NGX_HTTP_CONTENT_PHASE && r->content_handler) { |
| r->write_event_handler = ngx_http_request_empty_handler; |
| ngx_http_finalize_request(r, r->content_handler(r)); |
| return; |
| } |
| |
| h = cmcf->phases[r->phase].handlers.elts; |
| for (r->phase_handler = cmcf->phases[r->phase].handlers.nelts - 1; |
| r->phase_handler >= 0; |
| r->phase_handler--) |
| { |
| rc = h[r->phase_handler](r); |
| |
| if (rc == NGX_DONE) { |
| |
| /* |
| * we should never use r here because |
| * it may point to already freed data |
| */ |
| |
| return; |
| } |
| |
| if (rc == NGX_DECLINED) { |
| continue; |
| } |
| |
| if (r->phase == NGX_HTTP_ACCESS_PHASE) { |
| clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| |
| if (clcf->satisfy_any) { |
| |
| if (rc == NGX_OK) { |
| r->access_code = 0; |
| |
| if (r->headers_out.www_authenticate) { |
| r->headers_out.www_authenticate->hash = 0; |
| } |
| |
| break; |
| } |
| |
| if (rc == NGX_HTTP_FORBIDDEN || rc == NGX_HTTP_UNAUTHORIZED) |
| { |
| r->access_code = rc; |
| |
| continue; |
| } |
| } |
| } |
| |
| if (rc >= NGX_HTTP_SPECIAL_RESPONSE |
| || rc == NGX_HTTP_NO_CONTENT |
| || rc == NGX_ERROR) |
| { |
| ngx_http_finalize_request(r, rc); |
| return; |
| } |
| |
| if (r->phase == NGX_HTTP_CONTENT_PHASE) { |
| ngx_http_finalize_request(r, rc); |
| return; |
| } |
| |
| if (rc == NGX_AGAIN) { |
| return; |
| } |
| |
| if (rc == NGX_OK && cmcf->phases[r->phase].type == NGX_OK) { |
| break; |
| } |
| |
| } |
| |
| if (r->phase == NGX_HTTP_ACCESS_PHASE && r->access_code) { |
| ngx_http_finalize_request(r, r->access_code); |
| return; |
| } |
| } |
| |
| /* no content handler was found */ |
| |
| if (r->uri.data[r->uri.len - 1] == '/' && !r->zero_in_uri) { |
| |
| clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| |
| ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
| "directory index of \"%V%V\" is forbidden", |
| &clcf->root, &r->uri); |
| |
| ngx_http_finalize_request(r, NGX_HTTP_FORBIDDEN); |
| return; |
| } |
| |
| ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "no handler found"); |
| |
| ngx_http_finalize_request(r, NGX_HTTP_NOT_FOUND); |
| } |
| |
| |
| ngx_int_t |
| ngx_http_find_location_config(ngx_http_request_t *r) |
| { |
| ngx_int_t rc; |
| ngx_http_core_loc_conf_t *clcf; |
| ngx_http_core_srv_conf_t *cscf; |
| |
| r->content_handler = NULL; |
| r->uri_changed = 0; |
| |
| cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
| |
| rc = ngx_http_core_find_location(r, &cscf->locations, 0); |
| |
| if (rc == NGX_HTTP_INTERNAL_SERVER_ERROR) { |
| return rc; |
| } |
| |
| clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| |
| if (!r->internal && clcf->internal) { |
| return NGX_HTTP_NOT_FOUND; |
| } |
| |
| ngx_http_update_location_config(r); |
| |
| ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "http cl:%z max:%uz", |
| r->headers_in.content_length_n, clcf->client_max_body_size); |
| |
| if (r->headers_in.content_length_n != -1 |
| && clcf->client_max_body_size |
| && clcf->client_max_body_size < (size_t) r->headers_in.content_length_n) |
| { |
| ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
| "client intented to send too large body: %z bytes", |
| r->headers_in.content_length_n); |
| |
| return NGX_HTTP_REQUEST_ENTITY_TOO_LARGE; |
| } |
| |
| |
| if (rc == NGX_HTTP_LOCATION_AUTO_REDIRECT) { |
| r->headers_out.location = ngx_list_push(&r->headers_out.headers); |
| if (r->headers_out.location == NULL) { |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| } |
| |
| /* |
| * we do not need to set the r->headers_out.location->hash and |
| * r->headers_out.location->key fields |
| */ |
| |
| r->headers_out.location->value = clcf->name; |
| |
| return NGX_HTTP_MOVED_PERMANENTLY; |
| } |
| |
| return NGX_OK; |
| } |
| |
| |
| void |
| ngx_http_update_location_config(ngx_http_request_t *r) |
| { |
| ngx_http_core_loc_conf_t *clcf; |
| |
| clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| |
| r->connection->log->file = clcf->err_log->file; |
| if (!(r->connection->log->log_level & NGX_LOG_DEBUG_CONNECTION)) { |
| r->connection->log->log_level = clcf->err_log->log_level; |
| } |
| |
| if ((ngx_io.flags & NGX_IO_SENDFILE) && clcf->sendfile) { |
| r->connection->sendfile = 1; |
| |
| } else { |
| r->connection->sendfile = 0; |
| } |
| |
| if (r->keepalive && clcf->keepalive_timeout == 0) { |
| r->keepalive = 0; |
| } |
| |
| if (!clcf->tcp_nopush) { |
| /* disable TCP_NOPUSH/TCP_CORK use */ |
| r->connection->tcp_nopush = NGX_TCP_NOPUSH_DISABLED; |
| } |
| |
| r->limit_rate = clcf->limit_rate; |
| |
| if (clcf->handler) { |
| r->content_handler = clcf->handler; |
| } |
| } |
| |
| |
| static ngx_int_t |
| ngx_http_core_find_location(ngx_http_request_t *r, |
| ngx_array_t *locations, size_t len) |
| { |
| ngx_int_t n, rc; |
| ngx_uint_t i, found, noregex; |
| ngx_http_core_loc_conf_t *clcf, **clcfp; |
| |
| ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "find location"); |
| |
| found = 0; |
| noregex = 0; |
| |
| clcfp = locations->elts; |
| for (i = 0; i < locations->nelts; i++) { |
| |
| #if (NGX_PCRE) |
| if (clcfp[i]->regex) { |
| break; |
| } |
| #endif |
| |
| if (clcfp[i]->noname) { |
| break; |
| } |
| |
| ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "find location: %s\"%V\"", |
| clcfp[i]->exact_match ? "= " : "", &clcfp[i]->name); |
| |
| if (clcfp[i]->auto_redirect |
| && r->uri.len == clcfp[i]->name.len - 1 |
| && ngx_strncmp(r->uri.data, clcfp[i]->name.data, |
| clcfp[i]->name.len - 1) == 0) |
| { |
| /* the locations are lexicographically sorted */ |
| |
| r->loc_conf = clcfp[i]->loc_conf; |
| |
| return NGX_HTTP_LOCATION_AUTO_REDIRECT; |
| } |
| |
| if (r->uri.len < clcfp[i]->name.len) { |
| continue; |
| } |
| |
| n = ngx_strncmp(r->uri.data, clcfp[i]->name.data, clcfp[i]->name.len); |
| |
| if (n < 0) { |
| /* the locations are lexicographically sorted */ |
| break; |
| } |
| |
| if (n == 0) { |
| if (clcfp[i]->exact_match) { |
| |
| if (r->uri.len == clcfp[i]->name.len) { |
| r->loc_conf = clcfp[i]->loc_conf; |
| return NGX_HTTP_LOCATION_EXACT; |
| } |
| |
| continue; |
| } |
| |
| if (len > clcfp[i]->name.len) { |
| /* the previous match is longer */ |
| break; |
| } |
| |
| r->loc_conf = clcfp[i]->loc_conf; |
| noregex = clcfp[i]->noregex; |
| found = 1; |
| } |
| } |
| |
| if (found) { |
| clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| |
| if (clcf->locations.nelts) { |
| rc = ngx_http_core_find_location(r, &clcf->locations, len); |
| |
| if (rc != NGX_OK) { |
| return rc; |
| } |
| } |
| } |
| |
| #if (NGX_PCRE) |
| |
| if (noregex) { |
| return NGX_HTTP_LOCATION_NOREGEX; |
| } |
| |
| /* regex matches */ |
| |
| for (/* void */; i < locations->nelts; i++) { |
| |
| if (!clcfp[i]->regex) { |
| continue; |
| } |
| |
| if (clcfp[i]->noname) { |
| break; |
| } |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "find location: ~ \"%V\"", &clcfp[i]->name); |
| |
| n = ngx_regex_exec(clcfp[i]->regex, &r->uri, NULL, 0); |
| |
| if (n == NGX_REGEX_NO_MATCHED) { |
| continue; |
| } |
| |
| if (n < 0) { |
| ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| ngx_regex_exec_n |
| " failed: %d on \"%V\" using \"%V\"", |
| n, &r->uri, &clcfp[i]->name); |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| } |
| |
| /* match */ |
| |
| r->loc_conf = clcfp[i]->loc_conf; |
| |
| return NGX_HTTP_LOCATION_REGEX; |
| } |
| |
| #endif /* NGX_PCRE */ |
| |
| return NGX_OK; |
| } |
| |
| |
| ngx_int_t |
| ngx_http_set_content_type(ngx_http_request_t *r) |
| { |
| u_char c, *p, *exten; |
| uint32_t key; |
| ngx_uint_t i; |
| ngx_http_type_t *type; |
| ngx_http_core_loc_conf_t *clcf; |
| |
| clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| |
| if (r->exten.len) { |
| |
| if (!r->low_case_exten) { |
| for (i = 0; i < r->exten.len; i++) { |
| c = r->exten.data[i]; |
| if (c >= 'A' && c <= 'Z') { |
| break; |
| } |
| } |
| |
| if (i < r->exten.len) { |
| p = ngx_palloc(r->pool, r->exten.len); |
| if (p == NULL) { |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| } |
| |
| exten = p; |
| |
| for (i = 0; i < r->exten.len; i++) { |
| c = r->exten.data[i]; |
| if (c >= 'A' && c <= 'Z') { |
| *p++ = (u_char) (c | 0x20); |
| } else { |
| *p++ = c; |
| } |
| } |
| |
| r->exten.data = exten; |
| } |
| |
| r->low_case_exten = 1; |
| } |
| |
| ngx_http_types_hash_key(key, r->exten); |
| |
| type = clcf->types[key].elts; |
| for (i = 0; i < clcf->types[key].nelts; i++) { |
| if (r->exten.len != type[i].exten.len) { |
| continue; |
| } |
| |
| if (ngx_memcmp(r->exten.data, type[i].exten.data, r->exten.len) |
| == 0) |
| { |
| r->headers_out.content_type = type[i].type; |
| break; |
| } |
| } |
| } |
| |
| if (r->headers_out.content_type.len == 0) { |
| r->headers_out.content_type= clcf->default_type; |
| } |
| |
| return NGX_OK; |
| } |
| |
| |
| ngx_int_t |
| ngx_http_send_header(ngx_http_request_t *r) |
| { |
| if (r->err_ctx) { |
| r->headers_out.status = r->err_status; |
| r->headers_out.status_line.len = 0; |
| } |
| |
| return ngx_http_top_header_filter(r); |
| } |
| |
| |
| ngx_int_t |
| ngx_http_output_filter(ngx_http_request_t *r, ngx_chain_t *in) |
| { |
| ngx_int_t rc; |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "http output filter \"%V\"", &r->uri); |
| |
| rc = ngx_http_top_body_filter(r, in); |
| |
| if (rc == NGX_ERROR) { |
| /* NGX_ERROR may be returned by any filter */ |
| r->connection->closed = 1; |
| } |
| |
| return rc; |
| } |
| |
| |
| ngx_int_t |
| ngx_http_set_exten(ngx_http_request_t *r) |
| { |
| ngx_int_t i; |
| |
| r->exten.len = 0; |
| r->exten.data = NULL; |
| |
| for (i = r->uri.len - 1; i > 1; i--) { |
| if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') { |
| r->exten.len = r->uri.len - i - 1; |
| |
| if (r->exten.len > 0) { |
| r->exten.data = ngx_palloc(r->pool, r->exten.len + 1); |
| if (r->exten.data == NULL) { |
| return NGX_ERROR; |
| } |
| |
| ngx_cpystrn(r->exten.data, &r->uri.data[i + 1], |
| r->exten.len + 1); |
| } |
| |
| break; |
| |
| } else if (r->uri.data[i] == '/') { |
| break; |
| } |
| } |
| |
| r->low_case_exten = 0; |
| |
| return NGX_OK; |
| } |
| |
| |
| ngx_int_t |
| ngx_http_auth_basic_user(ngx_http_request_t *r) |
| { |
| ngx_str_t auth, encoded; |
| ngx_uint_t len; |
| |
| if (r->headers_in.user.len == 0 && r->headers_in.user.data != NULL) { |
| return NGX_DECLINED; |
| } |
| |
| if (r->headers_in.authorization == NULL) { |
| r->headers_in.user.data = (u_char *) ""; |
| return NGX_DECLINED; |
| } |
| |
| encoded = r->headers_in.authorization->value; |
| |
| if (encoded.len < sizeof("Basic ") - 1 |
| || ngx_strncasecmp(encoded.data, "Basic ", sizeof("Basic ") - 1) != 0) |
| { |
| r->headers_in.user.data = (u_char *) ""; |
| return NGX_DECLINED; |
| } |
| |
| encoded.len -= sizeof("Basic ") - 1; |
| encoded.data += sizeof("Basic ") - 1; |
| |
| while (encoded.len && encoded.data[0] == ' ') { |
| encoded.len--; |
| encoded.data++; |
| } |
| |
| if (encoded.len == 0) { |
| r->headers_in.user.data = (u_char *) ""; |
| return NGX_DECLINED; |
| } |
| |
| auth.len = ngx_base64_decoded_length(encoded.len); |
| auth.data = ngx_palloc(r->pool, auth.len + 1); |
| if (auth.data == NULL) { |
| return NGX_ERROR; |
| } |
| |
| if (ngx_decode_base64(&auth, &encoded) != NGX_OK) { |
| r->headers_in.user.data = (u_char *) ""; |
| return NGX_DECLINED; |
| } |
| |
| auth.data[auth.len] = '\0'; |
| |
| for (len = 0; len < auth.len; len++) { |
| if (auth.data[len] == ':') { |
| break; |
| } |
| } |
| |
| if (len == auth.len) { |
| r->headers_in.user.data = (u_char *) ""; |
| return NGX_DECLINED; |
| } |
| |
| r->headers_in.user.len = len; |
| r->headers_in.user.data = auth.data; |
| r->headers_in.passwd.len = auth.len - len - 1; |
| r->headers_in.passwd.data = &auth.data[len + 1]; |
| |
| return NGX_OK; |
| } |
| |
| |
| ngx_int_t |
| ngx_http_subrequest(ngx_http_request_t *r, |
| ngx_str_t *uri, ngx_str_t *args) |
| { |
| ngx_http_request_t *sr; |
| ngx_http_core_srv_conf_t *cscf; |
| ngx_http_postponed_request_t *pr, *p; |
| |
| sr = ngx_pcalloc(r->pool, sizeof(ngx_http_request_t)); |
| if (sr == NULL) { |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| } |
| |
| sr->signature = NGX_HTTP_MODULE; |
| sr->connection = r->connection; |
| |
| sr->ctx = ngx_pcalloc(r->pool, sizeof(void *) * ngx_http_max_module); |
| if (sr->ctx == NULL) { |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| } |
| |
| if (ngx_list_init(&sr->headers_out.headers, r->pool, 20, |
| sizeof(ngx_table_elt_t)) == NGX_ERROR) |
| { |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| } |
| |
| cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
| sr->main_conf = cscf->ctx->main_conf; |
| sr->srv_conf = cscf->ctx->srv_conf; |
| sr->loc_conf = cscf->ctx->loc_conf; |
| |
| sr->pool = r->pool; |
| |
| sr->headers_in = r->headers_in; |
| |
| sr->start_time = ngx_time(); |
| sr->headers_out.content_length_n = -1; |
| sr->headers_out.last_modified_time = -1; |
| |
| sr->request_body = r->request_body; |
| |
| sr->method = NGX_HTTP_GET; |
| sr->http_version = r->http_version; |
| sr->http_major = r->http_minor; |
| |
| sr->request_line = r->request_line; |
| sr->uri = *uri; |
| if (args) { |
| sr->args = *args; |
| } |
| sr->unparsed_uri = r->unparsed_uri; |
| sr->method_name = r->method_name; |
| sr->http_protocol = r->http_protocol; |
| |
| if (ngx_http_set_exten(sr) != NGX_OK) { |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| } |
| |
| sr->main = r->main; |
| sr->parent = r; |
| sr->read_event_handler = ngx_http_request_empty_handler; |
| sr->write_event_handler = ngx_http_request_empty_handler; |
| |
| if (r->connection->data == r) { |
| sr->connection->data = sr; |
| } |
| |
| sr->in_addr = r->in_addr; |
| sr->port = r->port; |
| sr->port_text = r->port_text; |
| sr->server_name = r->server_name; |
| |
| sr->variables = r->variables; |
| |
| sr->log_handler = r->log_handler; |
| |
| pr = ngx_palloc(r->pool, sizeof(ngx_http_postponed_request_t)); |
| if (pr == NULL) { |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| } |
| |
| pr->request = sr; |
| pr->out = NULL; |
| pr->next = NULL; |
| |
| if (r->postponed) { |
| for (p = r->postponed; p->next; p = p->next) { /* void */ } |
| p->next = pr; |
| |
| } else { |
| r->postponed = pr; |
| } |
| |
| sr->internal = 1; |
| |
| sr->discard_body = r->discard_body; |
| sr->main_filter_need_in_memory = r->main_filter_need_in_memory; |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "http subrequest \"%V\"", uri); |
| |
| ngx_http_handler(sr); |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "http subrequest \"%V\" done", uri); |
| |
| return NGX_OK; |
| } |
| |
| |
| ngx_int_t |
| ngx_http_internal_redirect(ngx_http_request_t *r, |
| ngx_str_t *uri, ngx_str_t *args) |
| { |
| ngx_http_core_srv_conf_t *cscf; |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "internal redirect: \"%V\"", uri); |
| |
| r->uri = *uri; |
| |
| if (args) { |
| r->args = *args; |
| |
| } else { |
| r->args.len = 0; |
| r->args.data = NULL; |
| } |
| |
| if (ngx_http_set_exten(r) != NGX_OK) { |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| } |
| |
| if (r->err_ctx) { |
| |
| /* allocate the new module's contexts */ |
| |
| r->ctx = ngx_pcalloc(r->pool, sizeof(void *) * ngx_http_max_module); |
| if (r->ctx == NULL) { |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| } |
| |
| } else { |
| |
| /* clear the modules contexts */ |
| |
| ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module); |
| } |
| |
| cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
| r->loc_conf = cscf->ctx->loc_conf; |
| |
| ngx_http_update_location_config(r); |
| |
| r->internal = 1; |
| |
| ngx_http_handler(r); |
| |
| return NGX_DONE; |
| } |
| |
| |
| #if 0 /* STUB: test the delay http handler */ |
| |
| ngx_int_t |
| ngx_http_delay_handler(ngx_http_request_t *r) |
| { |
| static int on; |
| |
| if (on++ == 0) { |
| ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "http set delay"); |
| ngx_add_timer(r->connection->write, 10000); |
| return NGX_AGAIN; |
| } |
| |
| r->connection->write->timedout = 0; |
| ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "http reset delay"); |
| return NGX_DECLINED; |
| } |
| |
| #endif |
| |
| |
| static char * |
| ngx_http_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) |
| { |
| char *rv; |
| void *mconf; |
| ngx_uint_t m; |
| ngx_conf_t pcf; |
| ngx_http_module_t *module; |
| ngx_http_conf_ctx_t *ctx, *http_ctx; |
| ngx_http_core_srv_conf_t *cscf, **cscfp; |
| ngx_http_core_main_conf_t *cmcf; |
| |
| ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); |
| if (ctx == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| http_ctx = cf->ctx; |
| ctx->main_conf = http_ctx->main_conf; |
| |
| /* the server{}'s srv_conf */ |
| |
| ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); |
| if (ctx->srv_conf == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| /* the server{}'s loc_conf */ |
| |
| ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); |
| if (ctx->loc_conf == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| for (m = 0; ngx_modules[m]; m++) { |
| if (ngx_modules[m]->type != NGX_HTTP_MODULE) { |
| continue; |
| } |
| |
| module = ngx_modules[m]->ctx; |
| |
| if (module->create_srv_conf) { |
| mconf = module->create_srv_conf(cf); |
| if (mconf == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; |
| } |
| |
| if (module->create_loc_conf) { |
| mconf = module->create_loc_conf(cf); |
| if (mconf == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| ctx->loc_conf[ngx_modules[m]->ctx_index] = mconf; |
| } |
| } |
| |
| |
| /* the server configuration context */ |
| |
| cscf = ctx->srv_conf[ngx_http_core_module.ctx_index]; |
| cscf->ctx = ctx; |
| |
| |
| cmcf = ctx->main_conf[ngx_http_core_module.ctx_index]; |
| |
| cscfp = ngx_array_push(&cmcf->servers); |
| if (cscfp == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| *cscfp = cscf; |
| |
| |
| /* parse inside server{} */ |
| |
| pcf = *cf; |
| cf->ctx = ctx; |
| cf->cmd_type = NGX_HTTP_SRV_CONF; |
| |
| rv = ngx_conf_parse(cf, NULL); |
| |
| *cf = pcf; |
| |
| if (rv != NGX_CONF_OK) { |
| return rv; |
| } |
| |
| ngx_qsort(cscf->locations.elts, (size_t) cscf->locations.nelts, |
| sizeof(ngx_http_core_loc_conf_t *), ngx_http_core_cmp_locations); |
| |
| return rv; |
| } |
| |
| |
| static char * |
| ngx_http_core_location(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) |
| { |
| char *rv; |
| ngx_int_t m; |
| ngx_str_t *value; |
| ngx_conf_t save; |
| ngx_http_module_t *module; |
| ngx_http_conf_ctx_t *ctx, *pctx; |
| ngx_http_core_srv_conf_t *cscf; |
| ngx_http_core_loc_conf_t *clcf, *pclcf, **clcfp; |
| #if (NGX_PCRE) |
| ngx_str_t err; |
| u_char errstr[NGX_MAX_CONF_ERRSTR]; |
| #endif |
| |
| ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); |
| if (ctx == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| pctx = cf->ctx; |
| ctx->main_conf = pctx->main_conf; |
| ctx->srv_conf = pctx->srv_conf; |
| |
| ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); |
| if (ctx->loc_conf == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| for (m = 0; ngx_modules[m]; m++) { |
| if (ngx_modules[m]->type != NGX_HTTP_MODULE) { |
| continue; |
| } |
| |
| module = ngx_modules[m]->ctx; |
| |
| if (module->create_loc_conf) { |
| ctx->loc_conf[ngx_modules[m]->ctx_index] = |
| module->create_loc_conf(cf); |
| if (ctx->loc_conf[ngx_modules[m]->ctx_index] == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| } |
| } |
| |
| clcf = ctx->loc_conf[ngx_http_core_module.ctx_index]; |
| clcf->loc_conf = ctx->loc_conf; |
| |
| value = cf->args->elts; |
| |
| if (cf->args->nelts == 3) { |
| if (value[1].len == 1 && value[1].data[0] == '=') { |
| clcf->name = value[2]; |
| clcf->exact_match = 1; |
| |
| } else if (value[1].len == 2 |
| && value[1].data[0] == '^' |
| && value[1].data[1] == '~') |
| { |
| clcf->name = value[2]; |
| clcf->noregex = 1; |
| |
| } else if ((value[1].len == 1 && value[1].data[0] == '~') |
| || (value[1].len == 2 |
| && value[1].data[0] == '~' |
| && value[1].data[1] == '*')) |
| { |
| #if (NGX_PCRE) |
| err.len = NGX_MAX_CONF_ERRSTR; |
| err.data = errstr; |
| |
| clcf->regex = ngx_regex_compile(&value[2], |
| value[1].len == 2 ? NGX_REGEX_CASELESS: 0, |
| cf->pool, &err); |
| |
| if (clcf->regex == NULL) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data); |
| return NGX_CONF_ERROR; |
| } |
| |
| clcf->name = value[2]; |
| #else |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "the using of the regex \"%V\" " |
| "requires PCRE library", &value[2]); |
| return NGX_CONF_ERROR; |
| #endif |
| |
| } else { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid location modifier \"%V\"", &value[1]); |
| return NGX_CONF_ERROR; |
| } |
| |
| } else { |
| clcf->name = value[1]; |
| } |
| |
| pclcf = pctx->loc_conf[ngx_http_core_module.ctx_index]; |
| |
| if (pclcf->name.len == 0) { |
| cscf = ctx->srv_conf[ngx_http_core_module.ctx_index]; |
| |
| clcfp = ngx_array_push(&cscf->locations); |
| if (clcfp == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| } else { |
| #if 0 |
| clcf->prev_location = pclcf; |
| #endif |
| |
| if (pclcf->exact_match) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "location \"%V\" could not be inside " |
| "the exact location \"%V\"", |
| &clcf->name, &pclcf->name); |
| return NGX_CONF_ERROR; |
| } |
| |
| #if (NGX_PCRE) |
| if (clcf->regex == NULL |
| && ngx_strncmp(clcf->name.data, pclcf->name.data, pclcf->name.len) |
| != 0) |
| #else |
| if (ngx_strncmp(clcf->name.data, pclcf->name.data, pclcf->name.len) |
| != 0) |
| #endif |
| { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "location \"%V\" is outside location \"%V\"", |
| &clcf->name, &pclcf->name); |
| return NGX_CONF_ERROR; |
| } |
| |
| if (pclcf->locations.elts == NULL) { |
| if (ngx_array_init(&pclcf->locations, cf->pool, 4, sizeof(void *)) |
| != NGX_OK) |
| { |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| clcfp = ngx_array_push(&pclcf->locations); |
| if (clcfp == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| *clcfp = clcf; |
| |
| save = *cf; |
| cf->ctx = ctx; |
| cf->cmd_type = NGX_HTTP_LOC_CONF; |
| |
| rv = ngx_conf_parse(cf, NULL); |
| |
| *cf = save; |
| |
| if (rv != NGX_CONF_OK) { |
| return rv; |
| } |
| |
| ngx_qsort(clcf->locations.elts, (size_t) clcf->locations.nelts, |
| sizeof(ngx_http_core_loc_conf_t *), ngx_http_core_cmp_locations); |
| |
| return rv; |
| } |
| |
| |
| static int ngx_libc_cdecl |
| ngx_http_core_cmp_locations(const void *one, const void *two) |
| { |
| ngx_int_t rc; |
| ngx_http_core_loc_conf_t *first, *second; |
| |
| first = *(ngx_http_core_loc_conf_t **) one; |
| second = *(ngx_http_core_loc_conf_t **) two; |
| |
| if (first->noname && !second->noname) { |
| /* shift no named locations to the end */ |
| return 1; |
| } |
| |
| if (!first->noname && second->noname) { |
| /* shift no named locations to the end */ |
| return -1; |
| } |
| |
| if (first->noname || second->noname) { |
| /* do not sort no named locations */ |
| return 0; |
| } |
| |
| #if (NGX_PCRE) |
| |
| if (first->regex && !second->regex) { |
| /* shift the regex matches to the end */ |
| return 1; |
| } |
| |
| if (!first->regex && second->regex) { |
| /* shift the regex matches to the end */ |
| return -1; |
| } |
| |
| if (first->regex || second->regex) { |
| /* do not sort the regex matches */ |
| return 0; |
| } |
| |
| #endif |
| |
| rc = ngx_strcmp(first->name.data, second->name.data); |
| |
| if (rc == 0 && second->exact_match) { |
| /* an exact match must be before the same inclusive one */ |
| return 1; |
| } |
| |
| return (int) rc; |
| } |
| |
| |
| static char * |
| ngx_http_core_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *rv; |
| ngx_conf_t save; |
| |
| save = *cf; |
| cf->handler = ngx_http_core_type; |
| cf->handler_conf = conf; |
| |
| rv = ngx_conf_parse(cf, NULL); |
| |
| *cf = save; |
| |
| return rv; |
| } |
| |
| |
| static char * |
| ngx_http_core_type(ngx_conf_t *cf, ngx_command_t *dummy, void *conf) |
| { |
| ngx_http_core_loc_conf_t *lcf = conf; |
| |
| uint32_t key; |
| ngx_uint_t i; |
| ngx_str_t *value; |
| ngx_http_type_t *type; |
| |
| if (lcf->types == NULL) { |
| lcf->types = ngx_palloc(cf->pool, NGX_HTTP_TYPES_HASH_PRIME |
| * sizeof(ngx_array_t)); |
| if (lcf->types == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| for (i = 0; i < NGX_HTTP_TYPES_HASH_PRIME; i++) { |
| if (ngx_array_init(&lcf->types[i], cf->pool, 4, |
| sizeof(ngx_http_type_t)) == NGX_ERROR) |
| { |
| return NGX_CONF_ERROR; |
| } |
| } |
| } |
| |
| value = cf->args->elts; |
| |
| for (i = 1; i < cf->args->nelts; i++) { |
| ngx_http_types_hash_key(key, value[i]); |
| |
| type = ngx_array_push(&lcf->types[key]); |
| if (type == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| type->exten = value[i]; |
| type->type = value[0]; |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static ngx_int_t |
| ngx_http_core_preconfiguration(ngx_conf_t *cf) |
| { |
| return ngx_http_variables_add_core_vars(cf); |
| } |
| |
| |
| static ngx_int_t |
| ngx_http_core_postconfiguration(ngx_conf_t *cf) |
| { |
| return ngx_http_variables_init_vars(cf); |
| } |
| |
| |
| static void * |
| ngx_http_core_create_main_conf(ngx_conf_t *cf) |
| { |
| ngx_http_core_main_conf_t *cmcf; |
| |
| cmcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_core_main_conf_t)); |
| if (cmcf == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| if (ngx_array_init(&cmcf->servers, cf->pool, 4, |
| sizeof(ngx_http_core_srv_conf_t *)) == NGX_ERROR) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| cmcf->server_names_hash = NGX_CONF_UNSET_UINT; |
| cmcf->server_names_hash_threshold = NGX_CONF_UNSET_UINT; |
| |
| return cmcf; |
| } |
| |
| |
| static char * |
| ngx_http_core_init_main_conf(ngx_conf_t *cf, void *conf) |
| { |
| ngx_http_core_main_conf_t *cmcf = conf; |
| |
| if (cmcf->server_names_hash == NGX_CONF_UNSET_UINT) { |
| cmcf->server_names_hash = 1009; |
| } |
| |
| if (cmcf->server_names_hash_threshold == NGX_CONF_UNSET_UINT) { |
| cmcf->server_names_hash_threshold = 50; |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static void * |
| ngx_http_core_create_srv_conf(ngx_conf_t *cf) |
| { |
| ngx_http_core_srv_conf_t *cscf; |
| |
| cscf = ngx_pcalloc(cf->pool, sizeof(ngx_http_core_srv_conf_t)); |
| if (cscf == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| /* |
| * set by ngx_pcalloc(): |
| * |
| * conf->client_large_buffers.num = 0; |
| */ |
| |
| if (ngx_array_init(&cscf->locations, cf->pool, 4, sizeof(void *)) |
| == NGX_ERROR) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| if (ngx_array_init(&cscf->listen, cf->pool, 4, sizeof(ngx_http_listen_t)) |
| == NGX_ERROR) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| if (ngx_array_init(&cscf->server_names, cf->pool, 4, |
| sizeof(ngx_http_server_name_t)) == NGX_ERROR) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| cscf->connection_pool_size = NGX_CONF_UNSET_SIZE; |
| cscf->request_pool_size = NGX_CONF_UNSET_SIZE; |
| cscf->client_header_timeout = NGX_CONF_UNSET_MSEC; |
| cscf->client_header_buffer_size = NGX_CONF_UNSET_SIZE; |
| cscf->restrict_host_names = NGX_CONF_UNSET_UINT; |
| cscf->ignore_invalid_headers = NGX_CONF_UNSET; |
| |
| return cscf; |
| } |
| |
| |
| static char * |
| ngx_http_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
| { |
| ngx_http_core_srv_conf_t *prev = parent; |
| ngx_http_core_srv_conf_t *conf = child; |
| |
| ngx_http_listen_t *ls; |
| ngx_http_server_name_t *sn; |
| ngx_http_core_main_conf_t *cmcf; |
| |
| /* TODO: it does not merge, it inits only */ |
| |
| if (conf->listen.nelts == 0) { |
| ls = ngx_array_push(&conf->listen); |
| if (ls == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| ngx_memzero(ls, sizeof(ngx_http_listen_t)); |
| |
| ls->addr = INADDR_ANY; |
| #if (NGX_WIN32) |
| ls->port = 80; |
| #else |
| /* STUB: getuid() should be cached */ |
| ls->port = (getuid() == 0) ? 80 : 8000; |
| #endif |
| ls->family = AF_INET; |
| } |
| |
| if (conf->server_names.nelts == 0) { |
| sn = ngx_array_push(&conf->server_names); |
| if (sn == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| sn->name.data = ngx_palloc(cf->pool, NGX_MAXHOSTNAMELEN); |
| if (sn->name.data == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| if (gethostname((char *) sn->name.data, NGX_MAXHOSTNAMELEN) == -1) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno, |
| "gethostname() failed"); |
| return NGX_CONF_ERROR; |
| } |
| |
| sn->name.len = ngx_strlen(sn->name.data); |
| sn->core_srv_conf = conf; |
| sn->wildcard = 0; |
| |
| cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| |
| if (cmcf->max_server_name_len < sn->name.len) { |
| cmcf->max_server_name_len = sn->name.len; |
| } |
| } |
| |
| ngx_conf_merge_size_value(conf->connection_pool_size, |
| prev->connection_pool_size, 256); |
| ngx_conf_merge_size_value(conf->request_pool_size, |
| prev->request_pool_size, 4096); |
| ngx_conf_merge_msec_value(conf->client_header_timeout, |
| prev->client_header_timeout, 60000); |
| ngx_conf_merge_size_value(conf->client_header_buffer_size, |
| prev->client_header_buffer_size, 1024); |
| ngx_conf_merge_bufs_value(conf->large_client_header_buffers, |
| prev->large_client_header_buffers, |
| 4, ngx_pagesize); |
| |
| if (conf->large_client_header_buffers.size < conf->connection_pool_size) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "the \"large_client_header_buffers\" size must be " |
| "equal to or bigger than \"connection_pool_size\""); |
| return NGX_CONF_ERROR; |
| } |
| |
| ngx_conf_merge_unsigned_value(conf->restrict_host_names, |
| prev->restrict_host_names, 0); |
| |
| ngx_conf_merge_value(conf->ignore_invalid_headers, |
| prev->ignore_invalid_headers, 1); |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static void * |
| ngx_http_core_create_loc_conf(ngx_conf_t *cf) |
| { |
| ngx_http_core_loc_conf_t *lcf; |
| |
| lcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_core_loc_conf_t)); |
| if (lcf == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| /* |
| * set by ngx_pcalloc(): |
| * |
| * lcf->root.len = 0; |
| * lcf->root.data = NULL; |
| * lcf->types = NULL; |
| * lcf->default_type.len = 0; |
| * lcf->default_type.data = NULL; |
| * lcf->err_log = NULL; |
| * lcf->error_pages = NULL; |
| * lcf->client_body_path = NULL; |
| * lcf->regex = NULL; |
| * lcf->exact_match = 0; |
| * lcf->auto_redirect = 0; |
| * lcf->alias = 0; |
| */ |
| |
| lcf->client_max_body_size = NGX_CONF_UNSET_SIZE; |
| lcf->client_body_buffer_size = NGX_CONF_UNSET_SIZE; |
| lcf->client_body_timeout = NGX_CONF_UNSET_MSEC; |
| lcf->satisfy_any = NGX_CONF_UNSET; |
| lcf->internal = NGX_CONF_UNSET; |
| lcf->sendfile = NGX_CONF_UNSET; |
| lcf->tcp_nopush = NGX_CONF_UNSET; |
| lcf->tcp_nodelay = NGX_CONF_UNSET; |
| lcf->send_timeout = NGX_CONF_UNSET_MSEC; |
| lcf->send_lowat = NGX_CONF_UNSET_SIZE; |
| lcf->postpone_output = NGX_CONF_UNSET_SIZE; |
| lcf->limit_rate = NGX_CONF_UNSET_SIZE; |
| lcf->keepalive_timeout = NGX_CONF_UNSET_MSEC; |
| lcf->keepalive_header = NGX_CONF_UNSET; |
| lcf->lingering_time = NGX_CONF_UNSET_MSEC; |
| lcf->lingering_timeout = NGX_CONF_UNSET_MSEC; |
| lcf->reset_timedout_connection = NGX_CONF_UNSET; |
| lcf->port_in_redirect = NGX_CONF_UNSET; |
| lcf->msie_padding = NGX_CONF_UNSET; |
| lcf->log_not_found = NGX_CONF_UNSET; |
| |
| return lcf; |
| } |
| |
| |
| static ngx_http_type_t ngx_http_core_default_types[] = { |
| { ngx_string("html"), ngx_string("text/html") }, |
| { ngx_string("gif"), ngx_string("image/gif") }, |
| { ngx_string("jpg"), ngx_string("image/jpeg") }, |
| { ngx_null_string, ngx_null_string } |
| }; |
| |
| |
| static char * |
| ngx_http_core_merge_loc_conf(ngx_conf_t *cf, |
| void *parent, void *child) |
| { |
| ngx_http_core_loc_conf_t *prev = parent; |
| ngx_http_core_loc_conf_t *conf = child; |
| |
| uint32_t key; |
| ngx_uint_t i; |
| ngx_http_type_t *type; |
| |
| ngx_conf_merge_str_value(conf->root, prev->root, "html"); |
| |
| if (ngx_conf_full_name(cf->cycle, &conf->root) == NGX_ERROR) { |
| return NGX_CONF_ERROR; |
| } |
| |
| if (conf->types == NULL) { |
| if (prev->types) { |
| conf->types = prev->types; |
| |
| } else { |
| conf->types = ngx_palloc(cf->pool, NGX_HTTP_TYPES_HASH_PRIME |
| * sizeof(ngx_array_t)); |
| if (conf->types == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| for (i = 0; i < NGX_HTTP_TYPES_HASH_PRIME; i++) { |
| if (ngx_array_init(&conf->types[i], cf->pool, 4, |
| sizeof(ngx_http_type_t)) == NGX_ERROR) |
| { |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| for (i = 0; ngx_http_core_default_types[i].exten.len; i++) { |
| ngx_http_types_hash_key(key, |
| ngx_http_core_default_types[i].exten); |
| |
| type = ngx_array_push(&conf->types[key]); |
| if (type == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| *type = ngx_http_core_default_types[i]; |
| } |
| } |
| } |
| |
| if (conf->err_log == NULL) { |
| if (prev->err_log) { |
| conf->err_log = prev->err_log; |
| } else { |
| conf->err_log = cf->cycle->new_log; |
| } |
| } |
| |
| if (conf->error_pages == NULL && prev->error_pages) { |
| conf->error_pages = prev->error_pages; |
| } |
| |
| ngx_conf_merge_str_value(conf->default_type, |
| prev->default_type, "text/plain"); |
| |
| ngx_conf_merge_size_value(conf->client_max_body_size, |
| prev->client_max_body_size, 1 * 1024 * 1024); |
| ngx_conf_merge_size_value(conf->client_body_buffer_size, |
| prev->client_body_buffer_size, |
| (size_t) 2 * ngx_pagesize); |
| ngx_conf_merge_msec_value(conf->client_body_timeout, |
| prev->client_body_timeout, 60000); |
| |
| ngx_conf_merge_value(conf->satisfy_any, prev->satisfy_any, 0); |
| ngx_conf_merge_value(conf->internal, prev->internal, 0); |
| ngx_conf_merge_value(conf->sendfile, prev->sendfile, 0); |
| ngx_conf_merge_value(conf->tcp_nopush, prev->tcp_nopush, 0); |
| ngx_conf_merge_value(conf->tcp_nodelay, prev->tcp_nodelay, 0); |
| |
| ngx_conf_merge_msec_value(conf->send_timeout, prev->send_timeout, 60000); |
| ngx_conf_merge_size_value(conf->send_lowat, prev->send_lowat, 0); |
| ngx_conf_merge_size_value(conf->postpone_output, prev->postpone_output, |
| 1460); |
| ngx_conf_merge_size_value(conf->limit_rate, prev->limit_rate, 0); |
| ngx_conf_merge_msec_value(conf->keepalive_timeout, |
| prev->keepalive_timeout, 75000); |
| ngx_conf_merge_sec_value(conf->keepalive_header, |
| prev->keepalive_header, 0); |
| ngx_conf_merge_msec_value(conf->lingering_time, |
| prev->lingering_time, 30000); |
| ngx_conf_merge_msec_value(conf->lingering_timeout, |
| prev->lingering_timeout, 5000); |
| |
| ngx_conf_merge_path_value(conf->client_body_temp_path, |
| prev->client_body_temp_path, |
| NGX_HTTP_CLIENT_TEMP_PATH, 0, 0, 0, |
| ngx_garbage_collector_temp_handler, cf); |
| |
| ngx_conf_merge_value(conf->reset_timedout_connection, |
| prev->reset_timedout_connection, 0); |
| ngx_conf_merge_value(conf->port_in_redirect, prev->port_in_redirect, 1); |
| ngx_conf_merge_value(conf->msie_padding, prev->msie_padding, 1); |
| ngx_conf_merge_value(conf->log_not_found, prev->log_not_found, 1); |
| |
| if (conf->open_files == NULL) { |
| conf->open_files = prev->open_files; |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| /* AF_INET only */ |
| |
| static char * |
| ngx_http_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_core_srv_conf_t *scf = conf; |
| |
| char *err; |
| ngx_str_t *value; |
| ngx_uint_t n; |
| struct hostent *h; |
| ngx_http_listen_t *ls; |
| ngx_inet_upstream_t inet_upstream; |
| |
| /* |
| * TODO: check duplicate 'listen' directives, |
| * add resolved name to server names ??? |
| */ |
| |
| value = cf->args->elts; |
| |
| ngx_memzero(&inet_upstream, sizeof(ngx_inet_upstream_t)); |
| |
| inet_upstream.url = value[1]; |
| inet_upstream.port_only = 1; |
| |
| err = ngx_inet_parse_host_port(&inet_upstream); |
| |
| if (err) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "%s in \"%V\" of the \"listen\" directive", |
| err, &inet_upstream.url); |
| return NGX_CONF_ERROR; |
| } |
| |
| ls = ngx_array_push(&scf->listen); |
| if (ls == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| ngx_memzero(ls, sizeof(ngx_http_listen_t)); |
| |
| ls->family = AF_INET; |
| ls->port = (in_port_t) (inet_upstream.default_port ? |
| 80 : inet_upstream.port); |
| ls->file_name = cf->conf_file->file.name; |
| ls->line = cf->conf_file->line; |
| ls->conf.backlog = -1; |
| |
| if (inet_upstream.host.len) { |
| inet_upstream.host.data[inet_upstream.host.len] = '\0'; |
| |
| ls->addr = inet_addr((const char *) inet_upstream.host.data); |
| |
| if (ls->addr == INADDR_NONE) { |
| h = gethostbyname((const char *) inet_upstream.host.data); |
| |
| if (h == NULL || h->h_addr_list[0] == NULL) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "can not resolve host \"%s\" " |
| "in the \"listen\" directive", |
| inet_upstream.host.data); |
| return NGX_CONF_ERROR; |
| } |
| |
| ls->addr = *(in_addr_t *)(h->h_addr_list[0]); |
| } |
| |
| } else { |
| ls->addr = INADDR_ANY; |
| } |
| |
| if (cf->args->nelts == 2) { |
| return NGX_CONF_OK; |
| } |
| |
| if (ngx_strcmp(value[2].data, "default") == 0) { |
| ls->conf.default_server = 1; |
| n = 3; |
| } else { |
| n = 2; |
| } |
| |
| for ( /* void */ ; n < cf->args->nelts; n++) { |
| |
| if (ls->conf.default_server == 0) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "\"%V\" parameter can be specified for " |
| "the default \"listen\" directive only", |
| &value[n]); |
| return NGX_CONF_ERROR; |
| } |
| |
| if (ngx_strcmp(value[n].data, "bind") == 0) { |
| ls->conf.bind = 1; |
| continue; |
| } |
| |
| if (ngx_strncmp(value[n].data, "bl=", 3) == 0) { |
| ls->conf.backlog = ngx_atoi(value[n].data + 3, value[n].len - 3); |
| ls->conf.bind = 1; |
| |
| if (ls->conf.backlog == NGX_ERROR || ls->conf.backlog == 0) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid backlog \"%V\"", &value[n]); |
| return NGX_CONF_ERROR; |
| } |
| |
| continue; |
| } |
| |
| if (ngx_strncmp(value[n].data, "af=", 3) == 0) { |
| #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) |
| ls->conf.accept_filter = (char *) &value[n].data[3]; |
| ls->conf.bind = 1; |
| #else |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "accept filters \"%V\" are not supported " |
| "on this platform, ignored", |
| &value[n]); |
| #endif |
| continue; |
| } |
| |
| if (ngx_strcmp(value[n].data, "deferred") == 0) { |
| #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) |
| ls->conf.deferred_accept = 1; |
| ls->conf.bind = 1; |
| #else |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "the deferred accept is not supported " |
| "on this platform, ignored"); |
| #endif |
| continue; |
| } |
| |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "the invalid \"%V\" parameter", &value[n]); |
| return NGX_CONF_ERROR; |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static char * |
| ngx_http_core_server_name(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_core_srv_conf_t *scf = conf; |
| |
| ngx_uint_t i; |
| ngx_str_t *value; |
| ngx_http_server_name_t *sn; |
| ngx_http_core_main_conf_t *cmcf; |
| |
| /* TODO: warn about duplicate 'server_name' directives */ |
| |
| cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| |
| value = cf->args->elts; |
| |
| for (i = 1; i < cf->args->nelts; i++) { |
| if (value[i].len == 0) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "server name \"%V\" is invalid " |
| "in \"%V\" directive", |
| &value[i], &cmd->name); |
| return NGX_CONF_ERROR; |
| } |
| |
| sn = ngx_array_push(&scf->server_names); |
| if (sn == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| sn->name.len = value[i].len; |
| sn->name.data = value[i].data; |
| sn->core_srv_conf = scf; |
| |
| if (sn->name.data[0] == '*') { |
| sn->name.len--; |
| sn->name.data++; |
| sn->wildcard = 1; |
| |
| } else { |
| sn->wildcard = 0; |
| } |
| |
| if (cmcf->max_server_name_len < sn->name.len) { |
| cmcf->max_server_name_len = sn->name.len; |
| } |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static char * |
| ngx_http_core_root(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_core_loc_conf_t *lcf = conf; |
| |
| ngx_uint_t alias; |
| ngx_str_t *value; |
| |
| alias = (cmd->name.len == sizeof("alias") - 1) ? 1 : 0; |
| |
| if (lcf->root.data) { |
| |
| /* the (ngx_uint_t) cast is required by gcc 2.7.2.3 */ |
| |
| if ((ngx_uint_t) lcf->alias == alias) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "\"%V\" directive is duplicate", |
| &cmd->name); |
| } else { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "\"%V\" directive is duplicate, " |
| "\"%s\" directive is specified before", |
| &cmd->name, lcf->alias ? "alias" : "root"); |
| } |
| |
| return NGX_CONF_ERROR; |
| } |
| |
| value = cf->args->elts; |
| |
| lcf->alias = alias; |
| lcf->root = value[1]; |
| |
| if (!alias && lcf->root.data[lcf->root.len - 1] == '/') { |
| lcf->root.len--; |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static char * |
| ngx_http_core_error_page(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_core_loc_conf_t *lcf = conf; |
| |
| ngx_int_t overwrite; |
| ngx_uint_t i, n; |
| ngx_str_t *value; |
| ngx_http_err_page_t *err; |
| |
| if (lcf->error_pages == NULL) { |
| lcf->error_pages = ngx_array_create(cf->pool, 4, |
| sizeof(ngx_http_err_page_t)); |
| if (lcf->error_pages == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| value = cf->args->elts; |
| |
| i = cf->args->nelts - 2; |
| |
| if (value[i].data[0] == '=') { |
| if (i == 1) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid value \"%V\"", &value[i]); |
| return NGX_CONF_ERROR; |
| } |
| |
| overwrite = ngx_atoi(&value[i].data[1], value[i].len - 1); |
| |
| if (overwrite == NGX_ERROR) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid value \"%V\"", &value[i]); |
| return NGX_CONF_ERROR; |
| } |
| |
| n = 2; |
| |
| } else { |
| overwrite = 0; |
| n = 1; |
| } |
| |
| for (i = 1; i < cf->args->nelts - n; i++) { |
| err = ngx_array_push(lcf->error_pages); |
| if (err == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| err->status = ngx_atoi(value[i].data, value[i].len); |
| |
| if (err->status == NGX_ERROR) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid value \"%V\"", &value[i]); |
| return NGX_CONF_ERROR; |
| } |
| |
| if (err->status < 400 || err->status > 599) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "value \"%V\" must be between 400 and 599", |
| &value[i]); |
| return NGX_CONF_ERROR; |
| } |
| |
| err->overwrite = overwrite; |
| err->uri = value[cf->args->nelts - 1]; |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static char * |
| ngx_http_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_core_loc_conf_t *lcf = conf; |
| |
| lcf->err_log = ngx_log_create_errlog(cf->cycle, cf->args); |
| if (lcf->err_log == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| return ngx_set_error_log_levels(cf, lcf->err_log); |
| } |
| |
| |
| static char * |
| ngx_http_core_keepalive(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_core_loc_conf_t *lcf = conf; |
| |
| ngx_str_t *value; |
| |
| if (lcf->keepalive_timeout != NGX_CONF_UNSET_MSEC) { |
| return "is duplicate"; |
| } |
| |
| value = cf->args->elts; |
| |
| lcf->keepalive_timeout = ngx_parse_time(&value[1], 0); |
| |
| if (lcf->keepalive_timeout == (ngx_msec_t) NGX_ERROR) { |
| return "invalid value"; |
| } |
| |
| if (lcf->keepalive_timeout == (ngx_msec_t) NGX_PARSE_LARGE_TIME) { |
| return "value must be less than 597 hours"; |
| } |
| |
| if (cf->args->nelts == 2) { |
| return NGX_CONF_OK; |
| } |
| |
| lcf->keepalive_header = ngx_parse_time(&value[2], 1); |
| |
| if (lcf->keepalive_header == NGX_ERROR) { |
| return "invalid value"; |
| } |
| |
| if (lcf->keepalive_header == NGX_PARSE_LARGE_TIME) { |
| return "value must be less than 68 years"; |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static char * |
| ngx_http_core_internal(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_core_loc_conf_t *lcf = conf; |
| |
| if (lcf->internal != NGX_CONF_UNSET) { |
| return "is duplicate"; |
| } |
| |
| lcf->internal = 1; |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static char * |
| ngx_http_core_lowat_check(ngx_conf_t *cf, void *post, void *data) |
| { |
| #if (NGX_FREEBSD) |
| ssize_t *np = data; |
| |
| if (*np >= ngx_freebsd_net_inet_tcp_sendspace) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "\"send_lowat\" must be less than %d " |
| "(sysctl net.inet.tcp.sendspace)", |
| ngx_freebsd_net_inet_tcp_sendspace); |
| |
| return NGX_CONF_ERROR; |
| } |
| |
| #elif !(NGX_HAVE_SO_SNDLOWAT) |
| ssize_t *np = data; |
| |
| ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
| "\"send_lowat\" is not supported, ignored"); |
| |
| *np = 0; |
| |
| #endif |
| |
| return NGX_CONF_OK; |
| } |