| |
| /* |
| * 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_phase_event_handler(ngx_event_t *rev); |
| static void ngx_http_run_phases(ngx_http_request_t *r); |
| static ngx_int_t ngx_http_find_location(ngx_http_request_t *r, |
| ngx_array_t *locations, size_t len); |
| |
| 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_server_block(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy); |
| static int ngx_cmp_locations(const void *first, const void *second); |
| static char *ngx_location_block(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *dummy); |
| static char *ngx_types_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| static char *ngx_set_type(ngx_conf_t *cf, ngx_command_t *dummy, void *conf); |
| static char *ngx_http_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| static char *ngx_set_server_name(ngx_conf_t *cf, ngx_command_t *cmd, |
| void *conf); |
| static char *ngx_set_root(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| static char *ngx_set_error_page(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| static char *ngx_set_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| static char *ngx_set_keepalive(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| |
| static char *ngx_http_lowat_check(ngx_conf_t *cf, void *post, void *data); |
| |
| static ngx_conf_post_t ngx_http_lowat_post = { ngx_http_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"), |
| NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, |
| ngx_server_block, |
| 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("post_accept_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, post_accept_timeout), |
| 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("location"), |
| NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE12, |
| ngx_location_block, |
| NGX_HTTP_SRV_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("listen"), |
| #if 0 |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
| #else |
| NGX_HTTP_SRV_CONF|NGX_CONF_TAKE12, |
| #endif |
| ngx_http_listen, |
| NGX_HTTP_SRV_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("server_name"), |
| NGX_HTTP_SRV_CONF|NGX_CONF_1MORE, |
| ngx_set_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_types_block, |
| 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_CONF_TAKE1, |
| ngx_set_root, |
| NGX_HTTP_LOC_CONF_OFFSET, |
| 0, |
| NULL }, |
| |
| { ngx_string("alias"), |
| NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| ngx_set_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("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_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_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_set_keepalive, |
| 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("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("error_page"), |
| NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE, |
| ngx_set_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_set_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 = { |
| NULL, /* pre conf */ |
| |
| 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, |
| &ngx_http_core_module_ctx, /* module context */ |
| ngx_http_core_commands, /* module directives */ |
| NGX_HTTP_MODULE, /* module type */ |
| NULL, /* init module */ |
| NULL /* init process */ |
| }; |
| |
| |
| void ngx_http_handler(ngx_http_request_t *r) |
| { |
| ngx_http_log_ctx_t *ctx; |
| |
| r->connection->unexpected_eof = 0; |
| |
| ctx = r->connection->log->data; |
| ctx->action = 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 0 |
| /* TEST STUB */ r->http_version = NGX_HTTP_VERSION_10; |
| /* TEST STUB */ r->keepalive = 0; |
| #endif |
| |
| if (r->headers_in.content_length_n > 0) { |
| r->lingering_close = 1; |
| |
| } else { |
| r->lingering_close = 0; |
| } |
| |
| #if 0 |
| /* TEST STUB */ r->lingering_close = 1; |
| #endif |
| |
| r->connection->write->event_handler = ngx_http_phase_event_handler; |
| |
| ngx_http_run_phases(r); |
| |
| return; |
| } |
| |
| |
| static void ngx_http_phase_event_handler(ngx_event_t *ev) |
| { |
| ngx_connection_t *c; |
| ngx_http_request_t *r; |
| |
| c = ev->data; |
| r = c->data; |
| |
| ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0, "phase event handler"); |
| |
| ngx_http_run_phases(r); |
| |
| return; |
| } |
| |
| |
| static void ngx_http_run_phases(ngx_http_request_t *r) |
| { |
| char *path; |
| ngx_int_t rc; |
| ngx_http_handler_pt *h; |
| ngx_http_core_loc_conf_t *clcf; |
| ngx_http_core_main_conf_t *cmcf; |
| |
| 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_CONTENT_PHASE && r->content_handler) { |
| r->connection->write->event_handler = ngx_http_empty_handler; |
| rc = r->content_handler(r); |
| ngx_http_finalize_request(r, rc); |
| 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 could point to already freed data |
| */ |
| |
| return; |
| } |
| |
| if (rc == NGX_DECLINED) { |
| continue; |
| } |
| |
| if (rc >= NGX_HTTP_SPECIAL_RESPONSE || 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->uri.data[r->uri.len - 1] == '/') { |
| |
| clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| |
| if (!(path = ngx_palloc(r->pool, clcf->root.len + r->uri.len))) { |
| ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
| return; |
| } |
| |
| ngx_cpystrn(ngx_cpymem(path, clcf->root.data, clcf->root.len), |
| r->uri.data, r->uri.len + 1); |
| |
| ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
| "directory index of \"%s\" is forbidden", path); |
| |
| 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); |
| return; |
| } |
| |
| |
| 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; |
| |
| cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); |
| |
| rc = ngx_http_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); |
| |
| 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 (!clcf->tcp_nopush) { |
| /* disable TCP_NOPUSH/TCP_CORK use */ |
| r->connection->tcp_nopush = NGX_TCP_NOPUSH_DISABLED; |
| } |
| |
| |
| 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; |
| } |
| |
| r->headers_out.location->value = clcf->name; |
| |
| return NGX_HTTP_MOVED_PERMANENTLY; |
| } |
| |
| if (clcf->handler) { |
| r->content_handler = clcf->handler; |
| } |
| |
| return NGX_OK; |
| } |
| |
| |
| static ngx_int_t ngx_http_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 |
| |
| 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 && r->uri.len == clcfp[i]->name.len) { |
| r->loc_conf = clcfp[i]->loc_conf; |
| return NGX_HTTP_LOCATION_EXACT; |
| } |
| |
| 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_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; |
| } |
| |
| 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_DECLINED) { |
| 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) |
| { |
| uint32_t key; |
| ngx_uint_t i; |
| ngx_http_type_t *type; |
| ngx_http_core_loc_conf_t *clcf; |
| |
| r->headers_out.content_type = ngx_list_push(&r->headers_out.headers); |
| if (r->headers_out.content_type == NULL) { |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| } |
| |
| r->headers_out.content_type->key.len = 0; |
| r->headers_out.content_type->key.data = NULL; |
| r->headers_out.content_type->value.len = 0; |
| r->headers_out.content_type->value.data = NULL; |
| |
| clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
| |
| if (r->exten.len) { |
| #if 0 |
| key = ngx_crc(r->exten.data, r->exten.key); |
| #endif |
| 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->value = type[i].type; |
| break; |
| } |
| } |
| } |
| |
| if (r->headers_out.content_type->value.len == 0) { |
| r->headers_out.content_type->value = clcf->default_type; |
| } |
| |
| return NGX_OK; |
| } |
| |
| |
| ngx_int_t ngx_http_send_header(ngx_http_request_t *r) |
| { |
| if (r->main) { |
| return NGX_OK; |
| } |
| |
| 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; |
| |
| if (r->connection->write->error) { |
| return NGX_ERROR; |
| } |
| |
| rc = ngx_http_top_body_filter(r, in); |
| |
| if (rc == NGX_ERROR) { |
| |
| /* NGX_ERROR could be returned by any filter */ |
| |
| r->connection->write->error = 1; |
| } |
| |
| return rc; |
| } |
| |
| |
| int ngx_http_redirect(ngx_http_request_t *r, int redirect) |
| { |
| /* STUB */ |
| |
| /* log request */ |
| |
| ngx_http_close_request(r, 0); |
| return NGX_OK; |
| } |
| |
| |
| 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) { |
| if (!(r->exten.data = ngx_palloc(r->pool, r->exten.len + 1))) { |
| 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; |
| } |
| } |
| |
| return NGX_OK; |
| } |
| |
| |
| ngx_int_t ngx_http_internal_redirect(ngx_http_request_t *r, |
| ngx_str_t *uri, ngx_str_t *args) |
| { |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| "internal redirect: \"%V\"", uri); |
| |
| r->uri = *uri; |
| |
| if (args) { |
| r->args = *args; |
| } |
| |
| if (ngx_http_set_exten(r) != NGX_OK) { |
| return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| } |
| |
| if (r->err_ctx) { |
| |
| /* allocate the new modules 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); |
| } |
| |
| r->phase = 0; |
| r->phase_handler = 0; |
| |
| ngx_http_handler(r); |
| |
| return NGX_DONE; |
| } |
| |
| |
| #if 0 /* STUB: test the delay http handler */ |
| |
| int 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 |
| |
| |
| #if 0 |
| |
| static ngx_int_t ngx_http_core_init_process(ngx_cycle_t *cycle) |
| { |
| ngx_uint_t i; |
| ngx_http_core_srv_conf_t **cscfp; |
| ngx_http_core_main_conf_t *cmcf; |
| |
| cmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_core_module); |
| |
| #if 0 |
| ngx_http_core_init_module: |
| |
| ngx_http_handler_pt *h; |
| |
| ngx_test_null(h, ngx_push_array( |
| &cmcf->phases[NGX_HTTP_TRANSLATE_PHASE].handlers), |
| NGX_ERROR); |
| *h = ngx_http_delay_handler; |
| #endif |
| |
| cscfp = cmcf->servers.elts; |
| |
| for (i = 0; i < cmcf->servers.nelts; i++) { |
| if (cscfp[i]->recv == NULL) { |
| cscfp[i]->recv = ngx_io.recv; |
| cscfp[i]->send_chain = ngx_io.send_chain; |
| } |
| } |
| |
| return NGX_OK; |
| } |
| |
| #endif |
| |
| |
| static char *ngx_server_block(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) |
| { |
| int m; |
| char *rv; |
| ngx_http_module_t *module; |
| ngx_conf_t pvcf; |
| ngx_http_conf_ctx_t *ctx, *http_ctx; |
| ngx_http_core_main_conf_t *cmcf; |
| ngx_http_core_srv_conf_t *cscf, **cscfp; |
| |
| ngx_test_null(ctx, |
| ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)), |
| NGX_CONF_ERROR); |
| |
| http_ctx = cf->ctx; |
| ctx->main_conf = http_ctx->main_conf; |
| |
| /* the server{}'s srv_conf */ |
| |
| ngx_test_null(ctx->srv_conf, |
| ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module), |
| NGX_CONF_ERROR); |
| |
| /* the server{}'s loc_conf */ |
| |
| ngx_test_null(ctx->loc_conf, |
| ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module), |
| 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) { |
| ngx_test_null(ctx->srv_conf[ngx_modules[m]->ctx_index], |
| module->create_srv_conf(cf), |
| NGX_CONF_ERROR); |
| } |
| |
| if (module->create_loc_conf) { |
| ngx_test_null(ctx->loc_conf[ngx_modules[m]->ctx_index], |
| module->create_loc_conf(cf), |
| NGX_CONF_ERROR); |
| } |
| } |
| |
| /* create links of the srv_conf's */ |
| |
| cscf = ctx->srv_conf[ngx_http_core_module.ctx_index]; |
| cscf->ctx = ctx; |
| |
| cmcf = ctx->main_conf[ngx_http_core_module.ctx_index]; |
| ngx_test_null(cscfp, ngx_push_array(&cmcf->servers), NGX_CONF_ERROR); |
| *cscfp = cscf; |
| |
| /* parse inside server{} */ |
| |
| pvcf = *cf; |
| cf->ctx = ctx; |
| cf->cmd_type = NGX_HTTP_SRV_CONF; |
| rv = ngx_conf_parse(cf, NULL); |
| *cf = pvcf; |
| |
| 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_cmp_locations); |
| |
| return rv; |
| } |
| |
| |
| static int ngx_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 (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_location_block(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) |
| { |
| char *rv; |
| ngx_int_t m; |
| ngx_str_t *value; |
| ngx_conf_t pcf; |
| 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 |
| |
| if (!(ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)))) { |
| 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]; |
| if (!(clcfp = ngx_push_array(&cscf->locations))) { |
| return NGX_CONF_ERROR; |
| } |
| |
| } else { |
| clcf->prev_location = pclcf; |
| |
| 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) { |
| ngx_init_array(pclcf->locations, cf->pool, 5, sizeof(void *), |
| NGX_CONF_ERROR); |
| } |
| |
| if (!(clcfp = ngx_push_array(&pclcf->locations))) { |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| *clcfp = clcf; |
| |
| pcf = *cf; |
| cf->ctx = ctx; |
| cf->cmd_type = NGX_HTTP_LOC_CONF; |
| rv = ngx_conf_parse(cf, NULL); |
| *cf = pcf; |
| |
| return rv; |
| } |
| |
| |
| static char *ngx_types_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *rv; |
| ngx_conf_t pcf; |
| |
| pcf = *cf; |
| cf->handler = ngx_set_type; |
| cf->handler_conf = conf; |
| rv = ngx_conf_parse(cf, NULL); |
| *cf = pcf; |
| |
| return rv; |
| } |
| |
| |
| static char *ngx_set_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 *args; |
| 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, 5, |
| sizeof(ngx_http_type_t)) == NGX_ERROR) |
| { |
| return NGX_CONF_ERROR; |
| } |
| } |
| } |
| |
| args = (ngx_str_t *) cf->args->elts; |
| |
| for (i = 1; i < cf->args->nelts; i++) { |
| ngx_http_types_hash_key(key, args[i]); |
| |
| if (!(type = ngx_array_push(&lcf->types[key]))) { |
| return NGX_CONF_ERROR; |
| } |
| |
| type->exten = args[i]; |
| type->type = args[0]; |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static void *ngx_http_core_create_main_conf(ngx_conf_t *cf) |
| { |
| ngx_http_core_main_conf_t *cmcf; |
| |
| ngx_test_null(cmcf, |
| ngx_pcalloc(cf->pool, sizeof(ngx_http_core_main_conf_t)), |
| NGX_CONF_ERROR); |
| |
| ngx_init_array(cmcf->servers, cf->pool, |
| 5, sizeof(ngx_http_core_srv_conf_t *), |
| NGX_CONF_ERROR); |
| |
| return cmcf; |
| } |
| |
| |
| static char *ngx_http_core_init_main_conf(ngx_conf_t *cf, void *conf) |
| { |
| #if 0 |
| ngx_http_core_main_conf_t *cmcf = conf; |
| |
| /* TODO: remove it if no directives */ |
| #endif |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static void *ngx_http_core_create_srv_conf(ngx_conf_t *cf) |
| { |
| ngx_http_core_srv_conf_t *cscf; |
| |
| ngx_test_null(cscf, |
| ngx_pcalloc(cf->pool, sizeof(ngx_http_core_srv_conf_t)), |
| NGX_CONF_ERROR); |
| |
| /* |
| |
| set by ngx_pcalloc(): |
| |
| conf->client_large_buffers.num = 0; |
| |
| */ |
| |
| |
| ngx_init_array(cscf->locations, cf->pool, |
| 5, sizeof(void *), NGX_CONF_ERROR); |
| ngx_init_array(cscf->listen, cf->pool, 5, sizeof(ngx_http_listen_t), |
| NGX_CONF_ERROR); |
| ngx_init_array(cscf->server_names, cf->pool, |
| 5, sizeof(ngx_http_server_name_t), NGX_CONF_ERROR); |
| |
| cscf->connection_pool_size = NGX_CONF_UNSET_SIZE; |
| cscf->post_accept_timeout = NGX_CONF_UNSET_MSEC; |
| 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; |
| |
| 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 *l; |
| ngx_http_server_name_t *n; |
| ngx_http_core_main_conf_t *cmcf; |
| |
| /* TODO: it does not merge, it inits only */ |
| |
| if (conf->listen.nelts == 0) { |
| ngx_test_null(l, ngx_push_array(&conf->listen), NGX_CONF_ERROR); |
| l->addr = INADDR_ANY; |
| #if (NGX_WIN32) |
| l->port = 80; |
| #else |
| /* STUB: getuid() should be cached */ |
| l->port = (getuid() == 0) ? 80 : 8000; |
| #endif |
| l->family = AF_INET; |
| } |
| |
| if (conf->server_names.nelts == 0) { |
| ngx_test_null(n, ngx_push_array(&conf->server_names), NGX_CONF_ERROR); |
| ngx_test_null(n->name.data, ngx_palloc(cf->pool, NGX_MAXHOSTNAMELEN), |
| NGX_CONF_ERROR); |
| |
| if (gethostname((char *) n->name.data, NGX_MAXHOSTNAMELEN) == -1) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno, |
| "gethostname() failed"); |
| return NGX_CONF_ERROR; |
| } |
| |
| n->name.len = ngx_strlen(n->name.data); |
| n->core_srv_conf = conf; |
| n->wildcard = 0; |
| |
| cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
| |
| if (cmcf->max_server_name_len < n->name.len) { |
| cmcf->max_server_name_len = n->name.len; |
| } |
| } |
| |
| ngx_conf_merge_size_value(conf->connection_pool_size, |
| prev->connection_pool_size, 256); |
| ngx_conf_merge_msec_value(conf->post_accept_timeout, |
| prev->post_accept_timeout, 60000); |
| 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); |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static void *ngx_http_core_create_loc_conf(ngx_conf_t *cf) |
| { |
| ngx_http_core_loc_conf_t *lcf; |
| |
| ngx_test_null(lcf, |
| ngx_pcalloc(cf->pool, sizeof(ngx_http_core_loc_conf_t)), |
| 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->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->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->msie_padding = NGX_CONF_UNSET; |
| |
| return lcf; |
| } |
| |
| |
| static ngx_http_type_t 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; |
| |
| int i, key; |
| ngx_http_type_t *t; |
| |
| 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 { |
| ngx_test_null(conf->types, |
| ngx_palloc(cf->pool, NGX_HTTP_TYPES_HASH_PRIME |
| * sizeof(ngx_array_t)), |
| NGX_CONF_ERROR); |
| |
| for (i = 0; i < NGX_HTTP_TYPES_HASH_PRIME; i++) { |
| ngx_init_array(conf->types[i], cf->pool, |
| 5, sizeof(ngx_http_type_t), NGX_CONF_ERROR); |
| } |
| |
| for (i = 0; default_types[i].exten.len; i++) { |
| ngx_http_types_hash_key(key, default_types[i].exten); |
| |
| ngx_test_null(t, ngx_push_array(&conf->types[key]), |
| NGX_CONF_ERROR); |
| t->exten.len = default_types[i].exten.len; |
| t->exten.data = default_types[i].exten.data; |
| t->type.len = default_types[i].type.len; |
| t->type.data = default_types[i].type.data; |
| } |
| } |
| } |
| |
| 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->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_value(conf->reset_timedout_connection, |
| prev->reset_timedout_connection, 0); |
| ngx_conf_merge_value(conf->msie_padding, prev->msie_padding, 1); |
| |
| if (conf->open_files == NULL) { |
| conf->open_files = prev->open_files; |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static char *ngx_http_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_core_srv_conf_t *scf = conf; |
| |
| u_char *addr; |
| ngx_int_t port; |
| ngx_uint_t p; |
| struct hostent *h; |
| ngx_str_t *args; |
| ngx_http_listen_t *ls; |
| |
| /* |
| * TODO: check duplicate 'listen' directives, |
| * add resolved name to server names ??? |
| */ |
| |
| if (!(ls = ngx_array_push(&scf->listen))) { |
| return NGX_CONF_ERROR; |
| } |
| |
| /* AF_INET only */ |
| |
| ls->family = AF_INET; |
| ls->default_server = 0; |
| ls->file_name = cf->conf_file->file.name; |
| ls->line = cf->conf_file->line; |
| |
| args = cf->args->elts; |
| addr = args[1].data; |
| |
| for (p = 0; p < args[1].len; p++) { |
| if (addr[p] == ':') { |
| addr[p++] = '\0'; |
| break; |
| } |
| } |
| |
| if (p == args[1].len) { |
| /* no ":" in the "listen" */ |
| p = 0; |
| } |
| |
| port = ngx_atoi(&addr[p], args[1].len - p); |
| |
| if (port == NGX_ERROR && p == 0) { |
| |
| /* "listen host" */ |
| ls->port = 80; |
| |
| } else if ((port == NGX_ERROR && p != 0) /* "listen host:NONNUMBER" */ |
| || (port < 1 || port > 65536)) { /* "listen 99999" */ |
| |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "invalid port \"%s\" in \"%V\" directive, " |
| "it must be a number between 1 and 65535", |
| &addr[p], &cmd->name); |
| |
| return NGX_CONF_ERROR; |
| |
| } else if (p == 0) { |
| ls->addr = INADDR_ANY; |
| ls->port = (in_port_t) port; |
| return NGX_CONF_OK; |
| |
| } else { |
| ls->port = (in_port_t) port; |
| } |
| |
| ls->addr = inet_addr((const char *) addr); |
| if (ls->addr == INADDR_NONE) { |
| h = gethostbyname((const char *) addr); |
| |
| if (h == NULL || h->h_addr_list[0] == NULL) { |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| "can not resolve host \"%s\" " |
| "in \"%V\" directive", addr, &cmd->name); |
| return NGX_CONF_ERROR; |
| } |
| |
| ls->addr = *(in_addr_t *)(h->h_addr_list[0]); |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static char *ngx_set_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; |
| } |
| |
| if (!(sn = ngx_array_push(&scf->server_names))) { |
| 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_set_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_set_error_page(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_core_loc_conf_t *lcf = conf; |
| |
| int 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_create_array(cf->pool, 5, |
| 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++) { |
| if (!(err = ngx_push_array(lcf->error_pages))) { |
| 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_set_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_set_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| ngx_http_core_loc_conf_t *lcf = conf; |
| |
| if (!(lcf->err_log = ngx_log_create_errlog(cf->cycle, cf->args))) { |
| return NGX_CONF_ERROR; |
| } |
| |
| return ngx_set_error_log_levels(cf, lcf->err_log); |
| } |
| |
| |
| static char *ngx_http_lowat_check(ngx_conf_t *cf, void *post, void *data) |
| { |
| ssize_t *np = data; |
| |
| #if (NGX_FREEBSD) |
| |
| 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 !(HAVE_SO_SNDLOWAT) |
| |
| ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
| "\"send_lowat\" is not supported, ignored"); |
| |
| *np = 0; |
| |
| #endif |
| |
| return NGX_CONF_OK; |
| } |