| /* | |
| * Copyright (C) Igor Sysoev | |
| * Copyright (C) Nginx, Inc. | |
| */ | |
| #include <ngx_config.h> | |
| #include <ngx_core.h> | |
| #include <ngx_http.h> | |
| static char *ngx_http_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
| static ngx_int_t ngx_http_init_phases(ngx_conf_t *cf, | |
| ngx_http_core_main_conf_t *cmcf); | |
| static ngx_int_t ngx_http_init_headers_in_hash(ngx_conf_t *cf, | |
| ngx_http_core_main_conf_t *cmcf); | |
| static ngx_int_t ngx_http_init_phase_handlers(ngx_conf_t *cf, | |
| ngx_http_core_main_conf_t *cmcf); | |
| static ngx_int_t ngx_http_add_addresses(ngx_conf_t *cf, | |
| ngx_http_core_srv_conf_t *cscf, ngx_http_conf_port_t *port, | |
| ngx_http_listen_opt_t *lsopt); | |
| static ngx_int_t ngx_http_add_address(ngx_conf_t *cf, | |
| ngx_http_core_srv_conf_t *cscf, ngx_http_conf_port_t *port, | |
| ngx_http_listen_opt_t *lsopt); | |
| static ngx_int_t ngx_http_add_server(ngx_conf_t *cf, | |
| ngx_http_core_srv_conf_t *cscf, ngx_http_conf_addr_t *addr); | |
| static char *ngx_http_merge_servers(ngx_conf_t *cf, | |
| ngx_http_core_main_conf_t *cmcf, ngx_http_module_t *module, | |
| ngx_uint_t ctx_index); | |
| static char *ngx_http_merge_locations(ngx_conf_t *cf, | |
| ngx_queue_t *locations, void **loc_conf, ngx_http_module_t *module, | |
| ngx_uint_t ctx_index); | |
| static ngx_int_t ngx_http_init_locations(ngx_conf_t *cf, | |
| ngx_http_core_srv_conf_t *cscf, ngx_http_core_loc_conf_t *pclcf); | |
| static ngx_int_t ngx_http_init_static_location_trees(ngx_conf_t *cf, | |
| ngx_http_core_loc_conf_t *pclcf); | |
| static ngx_int_t ngx_http_cmp_locations(const ngx_queue_t *one, | |
| const ngx_queue_t *two); | |
| static ngx_int_t ngx_http_join_exact_locations(ngx_conf_t *cf, | |
| ngx_queue_t *locations); | |
| static void ngx_http_create_locations_list(ngx_queue_t *locations, | |
| ngx_queue_t *q); | |
| static ngx_http_location_tree_node_t * | |
| ngx_http_create_locations_tree(ngx_conf_t *cf, ngx_queue_t *locations, | |
| size_t prefix); | |
| static ngx_int_t ngx_http_optimize_servers(ngx_conf_t *cf, | |
| ngx_http_core_main_conf_t *cmcf, ngx_array_t *ports); | |
| static ngx_int_t ngx_http_server_names(ngx_conf_t *cf, | |
| ngx_http_core_main_conf_t *cmcf, ngx_http_conf_addr_t *addr); | |
| static ngx_int_t ngx_http_cmp_conf_addrs(const void *one, const void *two); | |
| static int ngx_libc_cdecl ngx_http_cmp_dns_wildcards(const void *one, | |
| const void *two); | |
| static ngx_int_t ngx_http_init_listening(ngx_conf_t *cf, | |
| ngx_http_conf_port_t *port); | |
| static ngx_listening_t *ngx_http_add_listening(ngx_conf_t *cf, | |
| ngx_http_conf_addr_t *addr); | |
| static ngx_int_t ngx_http_add_addrs(ngx_conf_t *cf, ngx_http_port_t *hport, | |
| ngx_http_conf_addr_t *addr); | |
| #if (NGX_HAVE_INET6) | |
| static ngx_int_t ngx_http_add_addrs6(ngx_conf_t *cf, ngx_http_port_t *hport, | |
| ngx_http_conf_addr_t *addr); | |
| #endif | |
| ngx_uint_t ngx_http_max_module; | |
| ngx_http_output_header_filter_pt ngx_http_top_header_filter; | |
| ngx_http_output_body_filter_pt ngx_http_top_body_filter; | |
| ngx_http_request_body_filter_pt ngx_http_top_request_body_filter; | |
| ngx_str_t ngx_http_html_default_types[] = { | |
| ngx_string("text/html"), | |
| ngx_null_string | |
| }; | |
| static ngx_command_t ngx_http_commands[] = { | |
| { ngx_string("http"), | |
| NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, | |
| ngx_http_block, | |
| 0, | |
| 0, | |
| NULL }, | |
| ngx_null_command | |
| }; | |
| static ngx_core_module_t ngx_http_module_ctx = { | |
| ngx_string("http"), | |
| NULL, | |
| NULL | |
| }; | |
| ngx_module_t ngx_http_module = { | |
| NGX_MODULE_V1, | |
| &ngx_http_module_ctx, /* module context */ | |
| ngx_http_commands, /* module directives */ | |
| NGX_CORE_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 | |
| }; | |
| static char * | |
| ngx_http_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| { | |
| char *rv; | |
| ngx_uint_t mi, m, s; | |
| ngx_conf_t pcf; | |
| ngx_http_module_t *module; | |
| ngx_http_conf_ctx_t *ctx; | |
| ngx_http_core_loc_conf_t *clcf; | |
| ngx_http_core_srv_conf_t **cscfp; | |
| ngx_http_core_main_conf_t *cmcf; | |
| if (*(ngx_http_conf_ctx_t **) conf) { | |
| return "is duplicate"; | |
| } | |
| /* the main http context */ | |
| ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); | |
| if (ctx == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| *(ngx_http_conf_ctx_t **) conf = ctx; | |
| /* count the number of the http modules and set up their indices */ | |
| ngx_http_max_module = ngx_count_modules(cf->cycle, NGX_HTTP_MODULE); | |
| /* the http main_conf context, it is the same in the all http contexts */ | |
| ctx->main_conf = ngx_pcalloc(cf->pool, | |
| sizeof(void *) * ngx_http_max_module); | |
| if (ctx->main_conf == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| /* | |
| * the http null srv_conf context, it is used to merge | |
| * the server{}s' srv_conf's | |
| */ | |
| ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| if (ctx->srv_conf == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| /* | |
| * the http null loc_conf context, it is used to merge | |
| * the server{}s' loc_conf's | |
| */ | |
| ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); | |
| if (ctx->loc_conf == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| /* | |
| * create the main_conf's, the null srv_conf's, and the null loc_conf's | |
| * of the all http modules | |
| */ | |
| for (m = 0; cf->cycle->modules[m]; m++) { | |
| if (cf->cycle->modules[m]->type != NGX_HTTP_MODULE) { | |
| continue; | |
| } | |
| module = cf->cycle->modules[m]->ctx; | |
| mi = cf->cycle->modules[m]->ctx_index; | |
| if (module->create_main_conf) { | |
| ctx->main_conf[mi] = module->create_main_conf(cf); | |
| if (ctx->main_conf[mi] == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| } | |
| if (module->create_srv_conf) { | |
| ctx->srv_conf[mi] = module->create_srv_conf(cf); | |
| if (ctx->srv_conf[mi] == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| } | |
| if (module->create_loc_conf) { | |
| ctx->loc_conf[mi] = module->create_loc_conf(cf); | |
| if (ctx->loc_conf[mi] == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| } | |
| } | |
| pcf = *cf; | |
| cf->ctx = ctx; | |
| for (m = 0; cf->cycle->modules[m]; m++) { | |
| if (cf->cycle->modules[m]->type != NGX_HTTP_MODULE) { | |
| continue; | |
| } | |
| module = cf->cycle->modules[m]->ctx; | |
| if (module->preconfiguration) { | |
| if (module->preconfiguration(cf) != NGX_OK) { | |
| return NGX_CONF_ERROR; | |
| } | |
| } | |
| } | |
| /* parse inside the http{} block */ | |
| cf->module_type = NGX_HTTP_MODULE; | |
| cf->cmd_type = NGX_HTTP_MAIN_CONF; | |
| rv = ngx_conf_parse(cf, NULL); | |
| if (rv != NGX_CONF_OK) { | |
| goto failed; | |
| } | |
| /* | |
| * init http{} main_conf's, merge the server{}s' srv_conf's | |
| * and its location{}s' loc_conf's | |
| */ | |
| cmcf = ctx->main_conf[ngx_http_core_module.ctx_index]; | |
| cscfp = cmcf->servers.elts; | |
| for (m = 0; cf->cycle->modules[m]; m++) { | |
| if (cf->cycle->modules[m]->type != NGX_HTTP_MODULE) { | |
| continue; | |
| } | |
| module = cf->cycle->modules[m]->ctx; | |
| mi = cf->cycle->modules[m]->ctx_index; | |
| /* init http{} main_conf's */ | |
| if (module->init_main_conf) { | |
| rv = module->init_main_conf(cf, ctx->main_conf[mi]); | |
| if (rv != NGX_CONF_OK) { | |
| goto failed; | |
| } | |
| } | |
| rv = ngx_http_merge_servers(cf, cmcf, module, mi); | |
| if (rv != NGX_CONF_OK) { | |
| goto failed; | |
| } | |
| } | |
| /* create location trees */ | |
| for (s = 0; s < cmcf->servers.nelts; s++) { | |
| clcf = cscfp[s]->ctx->loc_conf[ngx_http_core_module.ctx_index]; | |
| if (ngx_http_init_locations(cf, cscfp[s], clcf) != NGX_OK) { | |
| return NGX_CONF_ERROR; | |
| } | |
| if (ngx_http_init_static_location_trees(cf, clcf) != NGX_OK) { | |
| return NGX_CONF_ERROR; | |
| } | |
| } | |
| if (ngx_http_init_phases(cf, cmcf) != NGX_OK) { | |
| return NGX_CONF_ERROR; | |
| } | |
| if (ngx_http_init_headers_in_hash(cf, cmcf) != NGX_OK) { | |
| return NGX_CONF_ERROR; | |
| } | |
| for (m = 0; cf->cycle->modules[m]; m++) { | |
| if (cf->cycle->modules[m]->type != NGX_HTTP_MODULE) { | |
| continue; | |
| } | |
| module = cf->cycle->modules[m]->ctx; | |
| if (module->postconfiguration) { | |
| if (module->postconfiguration(cf) != NGX_OK) { | |
| return NGX_CONF_ERROR; | |
| } | |
| } | |
| } | |
| if (ngx_http_variables_init_vars(cf) != NGX_OK) { | |
| return NGX_CONF_ERROR; | |
| } | |
| /* | |
| * http{}'s cf->ctx was needed while the configuration merging | |
| * and in postconfiguration process | |
| */ | |
| *cf = pcf; | |
| if (ngx_http_init_phase_handlers(cf, cmcf) != NGX_OK) { | |
| return NGX_CONF_ERROR; | |
| } | |
| /* optimize the lists of ports, addresses and server names */ | |
| if (ngx_http_optimize_servers(cf, cmcf, cmcf->ports) != NGX_OK) { | |
| return NGX_CONF_ERROR; | |
| } | |
| return NGX_CONF_OK; | |
| failed: | |
| *cf = pcf; | |
| return rv; | |
| } | |
| static ngx_int_t | |
| ngx_http_init_phases(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf) | |
| { | |
| if (ngx_array_init(&cmcf->phases[NGX_HTTP_POST_READ_PHASE].handlers, | |
| cf->pool, 1, sizeof(ngx_http_handler_pt)) | |
| != NGX_OK) | |
| { | |
| return NGX_ERROR; | |
| } | |
| if (ngx_array_init(&cmcf->phases[NGX_HTTP_SERVER_REWRITE_PHASE].handlers, | |
| cf->pool, 1, sizeof(ngx_http_handler_pt)) | |
| != NGX_OK) | |
| { | |
| return NGX_ERROR; | |
| } | |
| if (ngx_array_init(&cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers, | |
| cf->pool, 1, sizeof(ngx_http_handler_pt)) | |
| != NGX_OK) | |
| { | |
| return NGX_ERROR; | |
| } | |
| if (ngx_array_init(&cmcf->phases[NGX_HTTP_PREACCESS_PHASE].handlers, | |
| cf->pool, 1, sizeof(ngx_http_handler_pt)) | |
| != NGX_OK) | |
| { | |
| return NGX_ERROR; | |
| } | |
| if (ngx_array_init(&cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers, | |
| cf->pool, 2, sizeof(ngx_http_handler_pt)) | |
| != NGX_OK) | |
| { | |
| return NGX_ERROR; | |
| } | |
| if (ngx_array_init(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers, | |
| cf->pool, 4, sizeof(ngx_http_handler_pt)) | |
| != NGX_OK) | |
| { | |
| return NGX_ERROR; | |
| } | |
| if (ngx_array_init(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers, | |
| cf->pool, 1, sizeof(ngx_http_handler_pt)) | |
| != NGX_OK) | |
| { | |
| return NGX_ERROR; | |
| } | |
| return NGX_OK; | |
| } | |
| static ngx_int_t | |
| ngx_http_init_headers_in_hash(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf) | |
| { | |
| ngx_array_t headers_in; | |
| ngx_hash_key_t *hk; | |
| ngx_hash_init_t hash; | |
| ngx_http_header_t *header; | |
| if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) | |
| != NGX_OK) | |
| { | |
| return NGX_ERROR; | |
| } | |
| for (header = ngx_http_headers_in; header->name.len; header++) { | |
| hk = ngx_array_push(&headers_in); | |
| if (hk == NULL) { | |
| return NGX_ERROR; | |
| } | |
| hk->key = header->name; | |
| hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len); | |
| hk->value = header; | |
| } | |
| hash.hash = &cmcf->headers_in_hash; | |
| hash.key = ngx_hash_key_lc; | |
| hash.max_size = 512; | |
| hash.bucket_size = ngx_align(64, ngx_cacheline_size); | |
| hash.name = "headers_in_hash"; | |
| hash.pool = cf->pool; | |
| hash.temp_pool = NULL; | |
| if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) { | |
| return NGX_ERROR; | |
| } | |
| return NGX_OK; | |
| } | |
| static ngx_int_t | |
| ngx_http_init_phase_handlers(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf) | |
| { | |
| ngx_int_t j; | |
| ngx_uint_t i, n; | |
| ngx_uint_t find_config_index, use_rewrite, use_access; | |
| ngx_http_handler_pt *h; | |
| ngx_http_phase_handler_t *ph; | |
| ngx_http_phase_handler_pt checker; | |
| cmcf->phase_engine.server_rewrite_index = (ngx_uint_t) -1; | |
| cmcf->phase_engine.location_rewrite_index = (ngx_uint_t) -1; | |
| find_config_index = 0; | |
| use_rewrite = cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers.nelts ? 1 : 0; | |
| use_access = cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers.nelts ? 1 : 0; | |
| n = 1 /* find config phase */ | |
| + use_rewrite /* post rewrite phase */ | |
| + use_access /* post access phase */ | |
| + cmcf->try_files; | |
| for (i = 0; i < NGX_HTTP_LOG_PHASE; i++) { | |
| n += cmcf->phases[i].handlers.nelts; | |
| } | |
| ph = ngx_pcalloc(cf->pool, | |
| n * sizeof(ngx_http_phase_handler_t) + sizeof(void *)); | |
| if (ph == NULL) { | |
| return NGX_ERROR; | |
| } | |
| cmcf->phase_engine.handlers = ph; | |
| n = 0; | |
| for (i = 0; i < NGX_HTTP_LOG_PHASE; i++) { | |
| h = cmcf->phases[i].handlers.elts; | |
| switch (i) { | |
| case NGX_HTTP_SERVER_REWRITE_PHASE: | |
| if (cmcf->phase_engine.server_rewrite_index == (ngx_uint_t) -1) { | |
| cmcf->phase_engine.server_rewrite_index = n; | |
| } | |
| checker = ngx_http_core_rewrite_phase; | |
| break; | |
| case NGX_HTTP_FIND_CONFIG_PHASE: | |
| find_config_index = n; | |
| ph->checker = ngx_http_core_find_config_phase; | |
| n++; | |
| ph++; | |
| continue; | |
| case NGX_HTTP_REWRITE_PHASE: | |
| if (cmcf->phase_engine.location_rewrite_index == (ngx_uint_t) -1) { | |
| cmcf->phase_engine.location_rewrite_index = n; | |
| } | |
| checker = ngx_http_core_rewrite_phase; | |
| break; | |
| case NGX_HTTP_POST_REWRITE_PHASE: | |
| if (use_rewrite) { | |
| ph->checker = ngx_http_core_post_rewrite_phase; | |
| ph->next = find_config_index; | |
| n++; | |
| ph++; | |
| } | |
| continue; | |
| case NGX_HTTP_ACCESS_PHASE: | |
| checker = ngx_http_core_access_phase; | |
| n++; | |
| break; | |
| case NGX_HTTP_POST_ACCESS_PHASE: | |
| if (use_access) { | |
| ph->checker = ngx_http_core_post_access_phase; | |
| ph->next = n; | |
| ph++; | |
| } | |
| continue; | |
| case NGX_HTTP_TRY_FILES_PHASE: | |
| if (cmcf->try_files) { | |
| ph->checker = ngx_http_core_try_files_phase; | |
| n++; | |
| ph++; | |
| } | |
| continue; | |
| case NGX_HTTP_CONTENT_PHASE: | |
| checker = ngx_http_core_content_phase; | |
| break; | |
| default: | |
| checker = ngx_http_core_generic_phase; | |
| } | |
| n += cmcf->phases[i].handlers.nelts; | |
| for (j = cmcf->phases[i].handlers.nelts - 1; j >=0; j--) { | |
| ph->checker = checker; | |
| ph->handler = h[j]; | |
| ph->next = n; | |
| ph++; | |
| } | |
| } | |
| return NGX_OK; | |
| } | |
| static char * | |
| ngx_http_merge_servers(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf, | |
| ngx_http_module_t *module, ngx_uint_t ctx_index) | |
| { | |
| char *rv; | |
| ngx_uint_t s; | |
| ngx_http_conf_ctx_t *ctx, saved; | |
| ngx_http_core_loc_conf_t *clcf; | |
| ngx_http_core_srv_conf_t **cscfp; | |
| cscfp = cmcf->servers.elts; | |
| ctx = (ngx_http_conf_ctx_t *) cf->ctx; | |
| saved = *ctx; | |
| rv = NGX_CONF_OK; | |
| for (s = 0; s < cmcf->servers.nelts; s++) { | |
| /* merge the server{}s' srv_conf's */ | |
| ctx->srv_conf = cscfp[s]->ctx->srv_conf; | |
| if (module->merge_srv_conf) { | |
| rv = module->merge_srv_conf(cf, saved.srv_conf[ctx_index], | |
| cscfp[s]->ctx->srv_conf[ctx_index]); | |
| if (rv != NGX_CONF_OK) { | |
| goto failed; | |
| } | |
| } | |
| if (module->merge_loc_conf) { | |
| /* merge the server{}'s loc_conf */ | |
| ctx->loc_conf = cscfp[s]->ctx->loc_conf; | |
| rv = module->merge_loc_conf(cf, saved.loc_conf[ctx_index], | |
| cscfp[s]->ctx->loc_conf[ctx_index]); | |
| if (rv != NGX_CONF_OK) { | |
| goto failed; | |
| } | |
| /* merge the locations{}' loc_conf's */ | |
| clcf = cscfp[s]->ctx->loc_conf[ngx_http_core_module.ctx_index]; | |
| rv = ngx_http_merge_locations(cf, clcf->locations, | |
| cscfp[s]->ctx->loc_conf, | |
| module, ctx_index); | |
| if (rv != NGX_CONF_OK) { | |
| goto failed; | |
| } | |
| } | |
| } | |
| failed: | |
| *ctx = saved; | |
| return rv; | |
| } | |
| static char * | |
| ngx_http_merge_locations(ngx_conf_t *cf, ngx_queue_t *locations, | |
| void **loc_conf, ngx_http_module_t *module, ngx_uint_t ctx_index) | |
| { | |
| char *rv; | |
| ngx_queue_t *q; | |
| ngx_http_conf_ctx_t *ctx, saved; | |
| ngx_http_core_loc_conf_t *clcf; | |
| ngx_http_location_queue_t *lq; | |
| if (locations == NULL) { | |
| return NGX_CONF_OK; | |
| } | |
| ctx = (ngx_http_conf_ctx_t *) cf->ctx; | |
| saved = *ctx; | |
| for (q = ngx_queue_head(locations); | |
| q != ngx_queue_sentinel(locations); | |
| q = ngx_queue_next(q)) | |
| { | |
| lq = (ngx_http_location_queue_t *) q; | |
| clcf = lq->exact ? lq->exact : lq->inclusive; | |
| ctx->loc_conf = clcf->loc_conf; | |
| rv = module->merge_loc_conf(cf, loc_conf[ctx_index], | |
| clcf->loc_conf[ctx_index]); | |
| if (rv != NGX_CONF_OK) { | |
| return rv; | |
| } | |
| rv = ngx_http_merge_locations(cf, clcf->locations, clcf->loc_conf, | |
| module, ctx_index); | |
| if (rv != NGX_CONF_OK) { | |
| return rv; | |
| } | |
| } | |
| *ctx = saved; | |
| return NGX_CONF_OK; | |
| } | |
| static ngx_int_t | |
| ngx_http_init_locations(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf, | |
| ngx_http_core_loc_conf_t *pclcf) | |
| { | |
| ngx_uint_t n; | |
| ngx_queue_t *q, *locations, *named, tail; | |
| ngx_http_core_loc_conf_t *clcf; | |
| ngx_http_location_queue_t *lq; | |
| ngx_http_core_loc_conf_t **clcfp; | |
| #if (NGX_PCRE) | |
| ngx_uint_t r; | |
| ngx_queue_t *regex; | |
| #endif | |
| locations = pclcf->locations; | |
| if (locations == NULL) { | |
| return NGX_OK; | |
| } | |
| ngx_queue_sort(locations, ngx_http_cmp_locations); | |
| named = NULL; | |
| n = 0; | |
| #if (NGX_PCRE) | |
| regex = NULL; | |
| r = 0; | |
| #endif | |
| for (q = ngx_queue_head(locations); | |
| q != ngx_queue_sentinel(locations); | |
| q = ngx_queue_next(q)) | |
| { | |
| lq = (ngx_http_location_queue_t *) q; | |
| clcf = lq->exact ? lq->exact : lq->inclusive; | |
| if (ngx_http_init_locations(cf, NULL, clcf) != NGX_OK) { | |
| return NGX_ERROR; | |
| } | |
| #if (NGX_PCRE) | |
| if (clcf->regex) { | |
| r++; | |
| if (regex == NULL) { | |
| regex = q; | |
| } | |
| continue; | |
| } | |
| #endif | |
| if (clcf->named) { | |
| n++; | |
| if (named == NULL) { | |
| named = q; | |
| } | |
| continue; | |
| } | |
| if (clcf->noname) { | |
| break; | |
| } | |
| } | |
| if (q != ngx_queue_sentinel(locations)) { | |
| ngx_queue_split(locations, q, &tail); | |
| } | |
| if (named) { | |
| clcfp = ngx_palloc(cf->pool, | |
| (n + 1) * sizeof(ngx_http_core_loc_conf_t *)); | |
| if (clcfp == NULL) { | |
| return NGX_ERROR; | |
| } | |
| cscf->named_locations = clcfp; | |
| for (q = named; | |
| q != ngx_queue_sentinel(locations); | |
| q = ngx_queue_next(q)) | |
| { | |
| lq = (ngx_http_location_queue_t *) q; | |
| *(clcfp++) = lq->exact; | |
| } | |
| *clcfp = NULL; | |
| ngx_queue_split(locations, named, &tail); | |
| } | |
| #if (NGX_PCRE) | |
| if (regex) { | |
| clcfp = ngx_palloc(cf->pool, | |
| (r + 1) * sizeof(ngx_http_core_loc_conf_t *)); | |
| if (clcfp == NULL) { | |
| return NGX_ERROR; | |
| } | |
| pclcf->regex_locations = clcfp; | |
| for (q = regex; | |
| q != ngx_queue_sentinel(locations); | |
| q = ngx_queue_next(q)) | |
| { | |
| lq = (ngx_http_location_queue_t *) q; | |
| *(clcfp++) = lq->exact; | |
| } | |
| *clcfp = NULL; | |
| ngx_queue_split(locations, regex, &tail); | |
| } | |
| #endif | |
| return NGX_OK; | |
| } | |
| static ngx_int_t | |
| ngx_http_init_static_location_trees(ngx_conf_t *cf, | |
| ngx_http_core_loc_conf_t *pclcf) | |
| { | |
| ngx_queue_t *q, *locations; | |
| ngx_http_core_loc_conf_t *clcf; | |
| ngx_http_location_queue_t *lq; | |
| locations = pclcf->locations; | |
| if (locations == NULL) { | |
| return NGX_OK; | |
| } | |
| if (ngx_queue_empty(locations)) { | |
| return NGX_OK; | |
| } | |
| for (q = ngx_queue_head(locations); | |
| q != ngx_queue_sentinel(locations); | |
| q = ngx_queue_next(q)) | |
| { | |
| lq = (ngx_http_location_queue_t *) q; | |
| clcf = lq->exact ? lq->exact : lq->inclusive; | |
| if (ngx_http_init_static_location_trees(cf, clcf) != NGX_OK) { | |
| return NGX_ERROR; | |
| } | |
| } | |
| if (ngx_http_join_exact_locations(cf, locations) != NGX_OK) { | |
| return NGX_ERROR; | |
| } | |
| ngx_http_create_locations_list(locations, ngx_queue_head(locations)); | |
| pclcf->static_locations = ngx_http_create_locations_tree(cf, locations, 0); | |
| if (pclcf->static_locations == NULL) { | |
| return NGX_ERROR; | |
| } | |
| return NGX_OK; | |
| } | |
| ngx_int_t | |
| ngx_http_add_location(ngx_conf_t *cf, ngx_queue_t **locations, | |
| ngx_http_core_loc_conf_t *clcf) | |
| { | |
| ngx_http_location_queue_t *lq; | |
| if (*locations == NULL) { | |
| *locations = ngx_palloc(cf->temp_pool, | |
| sizeof(ngx_http_location_queue_t)); | |
| if (*locations == NULL) { | |
| return NGX_ERROR; | |
| } | |
| ngx_queue_init(*locations); | |
| } | |
| lq = ngx_palloc(cf->temp_pool, sizeof(ngx_http_location_queue_t)); | |
| if (lq == NULL) { | |
| return NGX_ERROR; | |
| } | |
| if (clcf->exact_match | |
| #if (NGX_PCRE) | |
| || clcf->regex | |
| #endif | |
| || clcf->named || clcf->noname) | |
| { | |
| lq->exact = clcf; | |
| lq->inclusive = NULL; | |
| } else { | |
| lq->exact = NULL; | |
| lq->inclusive = clcf; | |
| } | |
| lq->name = &clcf->name; | |
| lq->file_name = cf->conf_file->file.name.data; | |
| lq->line = cf->conf_file->line; | |
| ngx_queue_init(&lq->list); | |
| ngx_queue_insert_tail(*locations, &lq->queue); | |
| return NGX_OK; | |
| } | |
| static ngx_int_t | |
| ngx_http_cmp_locations(const ngx_queue_t *one, const ngx_queue_t *two) | |
| { | |
| ngx_int_t rc; | |
| ngx_http_core_loc_conf_t *first, *second; | |
| ngx_http_location_queue_t *lq1, *lq2; | |
| lq1 = (ngx_http_location_queue_t *) one; | |
| lq2 = (ngx_http_location_queue_t *) two; | |
| first = lq1->exact ? lq1->exact : lq1->inclusive; | |
| second = lq2->exact ? lq2->exact : lq2->inclusive; | |
| 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 (first->named && !second->named) { | |
| /* shift named locations to the end */ | |
| return 1; | |
| } | |
| if (!first->named && second->named) { | |
| /* shift named locations to the end */ | |
| return -1; | |
| } | |
| if (first->named && second->named) { | |
| return ngx_strcmp(first->name.data, second->name.data); | |
| } | |
| #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_filename_cmp(first->name.data, second->name.data, | |
| ngx_min(first->name.len, second->name.len) + 1); | |
| if (rc == 0 && !first->exact_match && second->exact_match) { | |
| /* an exact match must be before the same inclusive one */ | |
| return 1; | |
| } | |
| return rc; | |
| } | |
| static ngx_int_t | |
| ngx_http_join_exact_locations(ngx_conf_t *cf, ngx_queue_t *locations) | |
| { | |
| ngx_queue_t *q, *x; | |
| ngx_http_location_queue_t *lq, *lx; | |
| q = ngx_queue_head(locations); | |
| while (q != ngx_queue_last(locations)) { | |
| x = ngx_queue_next(q); | |
| lq = (ngx_http_location_queue_t *) q; | |
| lx = (ngx_http_location_queue_t *) x; | |
| if (lq->name->len == lx->name->len | |
| && ngx_filename_cmp(lq->name->data, lx->name->data, lx->name->len) | |
| == 0) | |
| { | |
| if ((lq->exact && lx->exact) || (lq->inclusive && lx->inclusive)) { | |
| ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| "duplicate location \"%V\" in %s:%ui", | |
| lx->name, lx->file_name, lx->line); | |
| return NGX_ERROR; | |
| } | |
| lq->inclusive = lx->inclusive; | |
| ngx_queue_remove(x); | |
| continue; | |
| } | |
| q = ngx_queue_next(q); | |
| } | |
| return NGX_OK; | |
| } | |
| static void | |
| ngx_http_create_locations_list(ngx_queue_t *locations, ngx_queue_t *q) | |
| { | |
| u_char *name; | |
| size_t len; | |
| ngx_queue_t *x, tail; | |
| ngx_http_location_queue_t *lq, *lx; | |
| if (q == ngx_queue_last(locations)) { | |
| return; | |
| } | |
| lq = (ngx_http_location_queue_t *) q; | |
| if (lq->inclusive == NULL) { | |
| ngx_http_create_locations_list(locations, ngx_queue_next(q)); | |
| return; | |
| } | |
| len = lq->name->len; | |
| name = lq->name->data; | |
| for (x = ngx_queue_next(q); | |
| x != ngx_queue_sentinel(locations); | |
| x = ngx_queue_next(x)) | |
| { | |
| lx = (ngx_http_location_queue_t *) x; | |
| if (len > lx->name->len | |
| || ngx_filename_cmp(name, lx->name->data, len) != 0) | |
| { | |
| break; | |
| } | |
| } | |
| q = ngx_queue_next(q); | |
| if (q == x) { | |
| ngx_http_create_locations_list(locations, x); | |
| return; | |
| } | |
| ngx_queue_split(locations, q, &tail); | |
| ngx_queue_add(&lq->list, &tail); | |
| if (x == ngx_queue_sentinel(locations)) { | |
| ngx_http_create_locations_list(&lq->list, ngx_queue_head(&lq->list)); | |
| return; | |
| } | |
| ngx_queue_split(&lq->list, x, &tail); | |
| ngx_queue_add(locations, &tail); | |
| ngx_http_create_locations_list(&lq->list, ngx_queue_head(&lq->list)); | |
| ngx_http_create_locations_list(locations, x); | |
| } | |
| /* | |
| * to keep cache locality for left leaf nodes, allocate nodes in following | |
| * order: node, left subtree, right subtree, inclusive subtree | |
| */ | |
| static ngx_http_location_tree_node_t * | |
| ngx_http_create_locations_tree(ngx_conf_t *cf, ngx_queue_t *locations, | |
| size_t prefix) | |
| { | |
| size_t len; | |
| ngx_queue_t *q, tail; | |
| ngx_http_location_queue_t *lq; | |
| ngx_http_location_tree_node_t *node; | |
| q = ngx_queue_middle(locations); | |
| lq = (ngx_http_location_queue_t *) q; | |
| len = lq->name->len - prefix; | |
| node = ngx_palloc(cf->pool, | |
| offsetof(ngx_http_location_tree_node_t, name) + len); | |
| if (node == NULL) { | |
| return NULL; | |
| } | |
| node->left = NULL; | |
| node->right = NULL; | |
| node->tree = NULL; | |
| node->exact = lq->exact; | |
| node->inclusive = lq->inclusive; | |
| node->auto_redirect = (u_char) ((lq->exact && lq->exact->auto_redirect) | |
| || (lq->inclusive && lq->inclusive->auto_redirect)); | |
| node->len = (u_char) len; | |
| ngx_memcpy(node->name, &lq->name->data[prefix], len); | |
| ngx_queue_split(locations, q, &tail); | |
| if (ngx_queue_empty(locations)) { | |
| /* | |
| * ngx_queue_split() insures that if left part is empty, | |
| * then right one is empty too | |
| */ | |
| goto inclusive; | |
| } | |
| node->left = ngx_http_create_locations_tree(cf, locations, prefix); | |
| if (node->left == NULL) { | |
| return NULL; | |
| } | |
| ngx_queue_remove(q); | |
| if (ngx_queue_empty(&tail)) { | |
| goto inclusive; | |
| } | |
| node->right = ngx_http_create_locations_tree(cf, &tail, prefix); | |
| if (node->right == NULL) { | |
| return NULL; | |
| } | |
| inclusive: | |
| if (ngx_queue_empty(&lq->list)) { | |
| return node; | |
| } | |
| node->tree = ngx_http_create_locations_tree(cf, &lq->list, prefix + len); | |
| if (node->tree == NULL) { | |
| return NULL; | |
| } | |
| return node; | |
| } | |
| ngx_int_t | |
| ngx_http_add_listen(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf, | |
| ngx_http_listen_opt_t *lsopt) | |
| { | |
| in_port_t p; | |
| ngx_uint_t i; | |
| struct sockaddr *sa; | |
| ngx_http_conf_port_t *port; | |
| ngx_http_core_main_conf_t *cmcf; | |
| cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| if (cmcf->ports == NULL) { | |
| cmcf->ports = ngx_array_create(cf->temp_pool, 2, | |
| sizeof(ngx_http_conf_port_t)); | |
| if (cmcf->ports == NULL) { | |
| return NGX_ERROR; | |
| } | |
| } | |
| sa = &lsopt->sockaddr.sockaddr; | |
| p = ngx_inet_get_port(sa); | |
| port = cmcf->ports->elts; | |
| for (i = 0; i < cmcf->ports->nelts; i++) { | |
| if (p != port[i].port || sa->sa_family != port[i].family) { | |
| continue; | |
| } | |
| /* a port is already in the port list */ | |
| return ngx_http_add_addresses(cf, cscf, &port[i], lsopt); | |
| } | |
| /* add a port to the port list */ | |
| port = ngx_array_push(cmcf->ports); | |
| if (port == NULL) { | |
| return NGX_ERROR; | |
| } | |
| port->family = sa->sa_family; | |
| port->port = p; | |
| port->addrs.elts = NULL; | |
| return ngx_http_add_address(cf, cscf, port, lsopt); | |
| } | |
| static ngx_int_t | |
| ngx_http_add_addresses(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf, | |
| ngx_http_conf_port_t *port, ngx_http_listen_opt_t *lsopt) | |
| { | |
| ngx_uint_t i, default_server, proxy_protocol; | |
| ngx_http_conf_addr_t *addr; | |
| #if (NGX_HTTP_SSL) | |
| ngx_uint_t ssl; | |
| #endif | |
| #if (NGX_HTTP_V2) | |
| ngx_uint_t http2; | |
| #endif | |
| /* | |
| * we cannot compare whole sockaddr struct's as kernel | |
| * may fill some fields in inherited sockaddr struct's | |
| */ | |
| addr = port->addrs.elts; | |
| for (i = 0; i < port->addrs.nelts; i++) { | |
| if (ngx_cmp_sockaddr(&lsopt->sockaddr.sockaddr, lsopt->socklen, | |
| &addr[i].opt.sockaddr.sockaddr, | |
| addr[i].opt.socklen, 0) | |
| != NGX_OK) | |
| { | |
| continue; | |
| } | |
| /* the address is already in the address list */ | |
| if (ngx_http_add_server(cf, cscf, &addr[i]) != NGX_OK) { | |
| return NGX_ERROR; | |
| } | |
| /* preserve default_server bit during listen options overwriting */ | |
| default_server = addr[i].opt.default_server; | |
| proxy_protocol = lsopt->proxy_protocol || addr[i].opt.proxy_protocol; | |
| #if (NGX_HTTP_SSL) | |
| ssl = lsopt->ssl || addr[i].opt.ssl; | |
| #endif | |
| #if (NGX_HTTP_V2) | |
| http2 = lsopt->http2 || addr[i].opt.http2; | |
| #endif | |
| if (lsopt->set) { | |
| if (addr[i].opt.set) { | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "duplicate listen options for %s", addr[i].opt.addr); | |
| return NGX_ERROR; | |
| } | |
| addr[i].opt = *lsopt; | |
| } | |
| /* check the duplicate "default" server for this address:port */ | |
| if (lsopt->default_server) { | |
| if (default_server) { | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "a duplicate default server for %s", addr[i].opt.addr); | |
| return NGX_ERROR; | |
| } | |
| default_server = 1; | |
| addr[i].default_server = cscf; | |
| } | |
| addr[i].opt.default_server = default_server; | |
| addr[i].opt.proxy_protocol = proxy_protocol; | |
| #if (NGX_HTTP_SSL) | |
| addr[i].opt.ssl = ssl; | |
| #endif | |
| #if (NGX_HTTP_V2) | |
| addr[i].opt.http2 = http2; | |
| #endif | |
| return NGX_OK; | |
| } | |
| /* add the address to the addresses list that bound to this port */ | |
| return ngx_http_add_address(cf, cscf, port, lsopt); | |
| } | |
| /* | |
| * add the server address, the server names and the server core module | |
| * configurations to the port list | |
| */ | |
| static ngx_int_t | |
| ngx_http_add_address(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf, | |
| ngx_http_conf_port_t *port, ngx_http_listen_opt_t *lsopt) | |
| { | |
| ngx_http_conf_addr_t *addr; | |
| if (port->addrs.elts == NULL) { | |
| if (ngx_array_init(&port->addrs, cf->temp_pool, 4, | |
| sizeof(ngx_http_conf_addr_t)) | |
| != NGX_OK) | |
| { | |
| return NGX_ERROR; | |
| } | |
| } | |
| #if (NGX_HTTP_V2 && NGX_HTTP_SSL \ | |
| && !defined TLSEXT_TYPE_application_layer_protocol_negotiation \ | |
| && !defined TLSEXT_TYPE_next_proto_neg) | |
| if (lsopt->http2 && lsopt->ssl) { | |
| ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| "nginx was built with OpenSSL that lacks ALPN " | |
| "and NPN support, HTTP/2 is not enabled for %s", | |
| lsopt->addr); | |
| } | |
| #endif | |
| addr = ngx_array_push(&port->addrs); | |
| if (addr == NULL) { | |
| return NGX_ERROR; | |
| } | |
| addr->opt = *lsopt; | |
| addr->hash.buckets = NULL; | |
| addr->hash.size = 0; | |
| addr->wc_head = NULL; | |
| addr->wc_tail = NULL; | |
| #if (NGX_PCRE) | |
| addr->nregex = 0; | |
| addr->regex = NULL; | |
| #endif | |
| addr->default_server = cscf; | |
| addr->servers.elts = NULL; | |
| return ngx_http_add_server(cf, cscf, addr); | |
| } | |
| /* add the server core module configuration to the address:port */ | |
| static ngx_int_t | |
| ngx_http_add_server(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf, | |
| ngx_http_conf_addr_t *addr) | |
| { | |
| ngx_uint_t i; | |
| ngx_http_core_srv_conf_t **server; | |
| if (addr->servers.elts == NULL) { | |
| if (ngx_array_init(&addr->servers, cf->temp_pool, 4, | |
| sizeof(ngx_http_core_srv_conf_t *)) | |
| != NGX_OK) | |
| { | |
| return NGX_ERROR; | |
| } | |
| } else { | |
| server = addr->servers.elts; | |
| for (i = 0; i < addr->servers.nelts; i++) { | |
| if (server[i] == cscf) { | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "a duplicate listen %s", addr->opt.addr); | |
| return NGX_ERROR; | |
| } | |
| } | |
| } | |
| server = ngx_array_push(&addr->servers); | |
| if (server == NULL) { | |
| return NGX_ERROR; | |
| } | |
| *server = cscf; | |
| return NGX_OK; | |
| } | |
| static ngx_int_t | |
| ngx_http_optimize_servers(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf, | |
| ngx_array_t *ports) | |
| { | |
| ngx_uint_t p, a; | |
| ngx_http_conf_port_t *port; | |
| ngx_http_conf_addr_t *addr; | |
| if (ports == NULL) { | |
| return NGX_OK; | |
| } | |
| port = ports->elts; | |
| for (p = 0; p < ports->nelts; p++) { | |
| ngx_sort(port[p].addrs.elts, (size_t) port[p].addrs.nelts, | |
| sizeof(ngx_http_conf_addr_t), ngx_http_cmp_conf_addrs); | |
| /* | |
| * check whether all name-based servers have the same | |
| * configuration as a default server for given address:port | |
| */ | |
| addr = port[p].addrs.elts; | |
| for (a = 0; a < port[p].addrs.nelts; a++) { | |
| if (addr[a].servers.nelts > 1 | |
| #if (NGX_PCRE) | |
| || addr[a].default_server->captures | |
| #endif | |
| ) | |
| { | |
| if (ngx_http_server_names(cf, cmcf, &addr[a]) != NGX_OK) { | |
| return NGX_ERROR; | |
| } | |
| } | |
| } | |
| if (ngx_http_init_listening(cf, &port[p]) != NGX_OK) { | |
| return NGX_ERROR; | |
| } | |
| } | |
| return NGX_OK; | |
| } | |
| static ngx_int_t | |
| ngx_http_server_names(ngx_conf_t *cf, ngx_http_core_main_conf_t *cmcf, | |
| ngx_http_conf_addr_t *addr) | |
| { | |
| ngx_int_t rc; | |
| ngx_uint_t n, s; | |
| ngx_hash_init_t hash; | |
| ngx_hash_keys_arrays_t ha; | |
| ngx_http_server_name_t *name; | |
| ngx_http_core_srv_conf_t **cscfp; | |
| #if (NGX_PCRE) | |
| ngx_uint_t regex, i; | |
| regex = 0; | |
| #endif | |
| ngx_memzero(&ha, sizeof(ngx_hash_keys_arrays_t)); | |
| ha.temp_pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, cf->log); | |
| if (ha.temp_pool == NULL) { | |
| return NGX_ERROR; | |
| } | |
| ha.pool = cf->pool; | |
| if (ngx_hash_keys_array_init(&ha, NGX_HASH_LARGE) != NGX_OK) { | |
| goto failed; | |
| } | |
| cscfp = addr->servers.elts; | |
| for (s = 0; s < addr->servers.nelts; s++) { | |
| name = cscfp[s]->server_names.elts; | |
| for (n = 0; n < cscfp[s]->server_names.nelts; n++) { | |
| #if (NGX_PCRE) | |
| if (name[n].regex) { | |
| regex++; | |
| continue; | |
| } | |
| #endif | |
| rc = ngx_hash_add_key(&ha, &name[n].name, name[n].server, | |
| NGX_HASH_WILDCARD_KEY); | |
| if (rc == NGX_ERROR) { | |
| return NGX_ERROR; | |
| } | |
| if (rc == NGX_DECLINED) { | |
| ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| "invalid server name or wildcard \"%V\" on %s", | |
| &name[n].name, addr->opt.addr); | |
| return NGX_ERROR; | |
| } | |
| if (rc == NGX_BUSY) { | |
| ngx_log_error(NGX_LOG_WARN, cf->log, 0, | |
| "conflicting server name \"%V\" on %s, ignored", | |
| &name[n].name, addr->opt.addr); | |
| } | |
| } | |
| } | |
| hash.key = ngx_hash_key_lc; | |
| hash.max_size = cmcf->server_names_hash_max_size; | |
| hash.bucket_size = cmcf->server_names_hash_bucket_size; | |
| hash.name = "server_names_hash"; | |
| hash.pool = cf->pool; | |
| if (ha.keys.nelts) { | |
| hash.hash = &addr->hash; | |
| hash.temp_pool = NULL; | |
| if (ngx_hash_init(&hash, ha.keys.elts, ha.keys.nelts) != NGX_OK) { | |
| goto failed; | |
| } | |
| } | |
| if (ha.dns_wc_head.nelts) { | |
| ngx_qsort(ha.dns_wc_head.elts, (size_t) ha.dns_wc_head.nelts, | |
| sizeof(ngx_hash_key_t), ngx_http_cmp_dns_wildcards); | |
| hash.hash = NULL; | |
| hash.temp_pool = ha.temp_pool; | |
| if (ngx_hash_wildcard_init(&hash, ha.dns_wc_head.elts, | |
| ha.dns_wc_head.nelts) | |
| != NGX_OK) | |
| { | |
| goto failed; | |
| } | |
| addr->wc_head = (ngx_hash_wildcard_t *) hash.hash; | |
| } | |
| if (ha.dns_wc_tail.nelts) { | |
| ngx_qsort(ha.dns_wc_tail.elts, (size_t) ha.dns_wc_tail.nelts, | |
| sizeof(ngx_hash_key_t), ngx_http_cmp_dns_wildcards); | |
| hash.hash = NULL; | |
| hash.temp_pool = ha.temp_pool; | |
| if (ngx_hash_wildcard_init(&hash, ha.dns_wc_tail.elts, | |
| ha.dns_wc_tail.nelts) | |
| != NGX_OK) | |
| { | |
| goto failed; | |
| } | |
| addr->wc_tail = (ngx_hash_wildcard_t *) hash.hash; | |
| } | |
| ngx_destroy_pool(ha.temp_pool); | |
| #if (NGX_PCRE) | |
| if (regex == 0) { | |
| return NGX_OK; | |
| } | |
| addr->nregex = regex; | |
| addr->regex = ngx_palloc(cf->pool, regex * sizeof(ngx_http_server_name_t)); | |
| if (addr->regex == NULL) { | |
| return NGX_ERROR; | |
| } | |
| i = 0; | |
| for (s = 0; s < addr->servers.nelts; s++) { | |
| name = cscfp[s]->server_names.elts; | |
| for (n = 0; n < cscfp[s]->server_names.nelts; n++) { | |
| if (name[n].regex) { | |
| addr->regex[i++] = name[n]; | |
| } | |
| } | |
| } | |
| #endif | |
| return NGX_OK; | |
| failed: | |
| ngx_destroy_pool(ha.temp_pool); | |
| return NGX_ERROR; | |
| } | |
| static ngx_int_t | |
| ngx_http_cmp_conf_addrs(const void *one, const void *two) | |
| { | |
| ngx_http_conf_addr_t *first, *second; | |
| first = (ngx_http_conf_addr_t *) one; | |
| second = (ngx_http_conf_addr_t *) two; | |
| if (first->opt.wildcard) { | |
| /* a wildcard address must be the last resort, shift it to the end */ | |
| return 1; | |
| } | |
| if (second->opt.wildcard) { | |
| /* a wildcard address must be the last resort, shift it to the end */ | |
| return -1; | |
| } | |
| if (first->opt.bind && !second->opt.bind) { | |
| /* shift explicit bind()ed addresses to the start */ | |
| return -1; | |
| } | |
| if (!first->opt.bind && second->opt.bind) { | |
| /* shift explicit bind()ed addresses to the start */ | |
| return 1; | |
| } | |
| /* do not sort by default */ | |
| return 0; | |
| } | |
| static int ngx_libc_cdecl | |
| ngx_http_cmp_dns_wildcards(const void *one, const void *two) | |
| { | |
| ngx_hash_key_t *first, *second; | |
| first = (ngx_hash_key_t *) one; | |
| second = (ngx_hash_key_t *) two; | |
| return ngx_dns_strcmp(first->key.data, second->key.data); | |
| } | |
| static ngx_int_t | |
| ngx_http_init_listening(ngx_conf_t *cf, ngx_http_conf_port_t *port) | |
| { | |
| ngx_uint_t i, last, bind_wildcard; | |
| ngx_listening_t *ls; | |
| ngx_http_port_t *hport; | |
| ngx_http_conf_addr_t *addr; | |
| addr = port->addrs.elts; | |
| last = port->addrs.nelts; | |
| /* | |
| * If there is a binding to an "*:port" then we need to bind() to | |
| * the "*:port" only and ignore other implicit bindings. The bindings | |
| * have been already sorted: explicit bindings are on the start, then | |
| * implicit bindings go, and wildcard binding is in the end. | |
| */ | |
| if (addr[last - 1].opt.wildcard) { | |
| addr[last - 1].opt.bind = 1; | |
| bind_wildcard = 1; | |
| } else { | |
| bind_wildcard = 0; | |
| } | |
| i = 0; | |
| while (i < last) { | |
| if (bind_wildcard && !addr[i].opt.bind) { | |
| i++; | |
| continue; | |
| } | |
| ls = ngx_http_add_listening(cf, &addr[i]); | |
| if (ls == NULL) { | |
| return NGX_ERROR; | |
| } | |
| hport = ngx_pcalloc(cf->pool, sizeof(ngx_http_port_t)); | |
| if (hport == NULL) { | |
| return NGX_ERROR; | |
| } | |
| ls->servers = hport; | |
| hport->naddrs = i + 1; | |
| switch (ls->sockaddr->sa_family) { | |
| #if (NGX_HAVE_INET6) | |
| case AF_INET6: | |
| if (ngx_http_add_addrs6(cf, hport, addr) != NGX_OK) { | |
| return NGX_ERROR; | |
| } | |
| break; | |
| #endif | |
| default: /* AF_INET */ | |
| if (ngx_http_add_addrs(cf, hport, addr) != NGX_OK) { | |
| return NGX_ERROR; | |
| } | |
| break; | |
| } | |
| if (ngx_clone_listening(cf, ls) != NGX_OK) { | |
| return NGX_ERROR; | |
| } | |
| addr++; | |
| last--; | |
| } | |
| return NGX_OK; | |
| } | |
| static ngx_listening_t * | |
| ngx_http_add_listening(ngx_conf_t *cf, ngx_http_conf_addr_t *addr) | |
| { | |
| ngx_listening_t *ls; | |
| ngx_http_core_loc_conf_t *clcf; | |
| ngx_http_core_srv_conf_t *cscf; | |
| ls = ngx_create_listening(cf, &addr->opt.sockaddr.sockaddr, | |
| addr->opt.socklen); | |
| if (ls == NULL) { | |
| return NULL; | |
| } | |
| ls->addr_ntop = 1; | |
| ls->handler = ngx_http_init_connection; | |
| cscf = addr->default_server; | |
| ls->pool_size = cscf->connection_pool_size; | |
| ls->post_accept_timeout = cscf->client_header_timeout; | |
| clcf = cscf->ctx->loc_conf[ngx_http_core_module.ctx_index]; | |
| ls->logp = clcf->error_log; | |
| ls->log.data = &ls->addr_text; | |
| ls->log.handler = ngx_accept_log_error; | |
| #if (NGX_WIN32) | |
| { | |
| ngx_iocp_conf_t *iocpcf = NULL; | |
| if (ngx_get_conf(cf->cycle->conf_ctx, ngx_events_module)) { | |
| iocpcf = ngx_event_get_conf(cf->cycle->conf_ctx, ngx_iocp_module); | |
| } | |
| if (iocpcf && iocpcf->acceptex_read) { | |
| ls->post_accept_buffer_size = cscf->client_header_buffer_size; | |
| } | |
| } | |
| #endif | |
| ls->backlog = addr->opt.backlog; | |
| ls->rcvbuf = addr->opt.rcvbuf; | |
| ls->sndbuf = addr->opt.sndbuf; | |
| ls->keepalive = addr->opt.so_keepalive; | |
| #if (NGX_HAVE_KEEPALIVE_TUNABLE) | |
| ls->keepidle = addr->opt.tcp_keepidle; | |
| ls->keepintvl = addr->opt.tcp_keepintvl; | |
| ls->keepcnt = addr->opt.tcp_keepcnt; | |
| #endif | |
| #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) | |
| ls->accept_filter = addr->opt.accept_filter; | |
| #endif | |
| #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) | |
| ls->deferred_accept = addr->opt.deferred_accept; | |
| #endif | |
| #if (NGX_HAVE_INET6) | |
| ls->ipv6only = addr->opt.ipv6only; | |
| #endif | |
| #if (NGX_HAVE_SETFIB) | |
| ls->setfib = addr->opt.setfib; | |
| #endif | |
| #if (NGX_HAVE_TCP_FASTOPEN) | |
| ls->fastopen = addr->opt.fastopen; | |
| #endif | |
| #if (NGX_HAVE_REUSEPORT) | |
| ls->reuseport = addr->opt.reuseport; | |
| #endif | |
| return ls; | |
| } | |
| static ngx_int_t | |
| ngx_http_add_addrs(ngx_conf_t *cf, ngx_http_port_t *hport, | |
| ngx_http_conf_addr_t *addr) | |
| { | |
| ngx_uint_t i; | |
| ngx_http_in_addr_t *addrs; | |
| struct sockaddr_in *sin; | |
| ngx_http_virtual_names_t *vn; | |
| hport->addrs = ngx_pcalloc(cf->pool, | |
| hport->naddrs * sizeof(ngx_http_in_addr_t)); | |
| if (hport->addrs == NULL) { | |
| return NGX_ERROR; | |
| } | |
| addrs = hport->addrs; | |
| for (i = 0; i < hport->naddrs; i++) { | |
| sin = &addr[i].opt.sockaddr.sockaddr_in; | |
| addrs[i].addr = sin->sin_addr.s_addr; | |
| addrs[i].conf.default_server = addr[i].default_server; | |
| #if (NGX_HTTP_SSL) | |
| addrs[i].conf.ssl = addr[i].opt.ssl; | |
| #endif | |
| #if (NGX_HTTP_V2) | |
| addrs[i].conf.http2 = addr[i].opt.http2; | |
| #endif | |
| addrs[i].conf.proxy_protocol = addr[i].opt.proxy_protocol; | |
| if (addr[i].hash.buckets == NULL | |
| && (addr[i].wc_head == NULL | |
| || addr[i].wc_head->hash.buckets == NULL) | |
| && (addr[i].wc_tail == NULL | |
| || addr[i].wc_tail->hash.buckets == NULL) | |
| #if (NGX_PCRE) | |
| && addr[i].nregex == 0 | |
| #endif | |
| ) | |
| { | |
| continue; | |
| } | |
| vn = ngx_palloc(cf->pool, sizeof(ngx_http_virtual_names_t)); | |
| if (vn == NULL) { | |
| return NGX_ERROR; | |
| } | |
| addrs[i].conf.virtual_names = vn; | |
| vn->names.hash = addr[i].hash; | |
| vn->names.wc_head = addr[i].wc_head; | |
| vn->names.wc_tail = addr[i].wc_tail; | |
| #if (NGX_PCRE) | |
| vn->nregex = addr[i].nregex; | |
| vn->regex = addr[i].regex; | |
| #endif | |
| } | |
| return NGX_OK; | |
| } | |
| #if (NGX_HAVE_INET6) | |
| static ngx_int_t | |
| ngx_http_add_addrs6(ngx_conf_t *cf, ngx_http_port_t *hport, | |
| ngx_http_conf_addr_t *addr) | |
| { | |
| ngx_uint_t i; | |
| ngx_http_in6_addr_t *addrs6; | |
| struct sockaddr_in6 *sin6; | |
| ngx_http_virtual_names_t *vn; | |
| hport->addrs = ngx_pcalloc(cf->pool, | |
| hport->naddrs * sizeof(ngx_http_in6_addr_t)); | |
| if (hport->addrs == NULL) { | |
| return NGX_ERROR; | |
| } | |
| addrs6 = hport->addrs; | |
| for (i = 0; i < hport->naddrs; i++) { | |
| sin6 = &addr[i].opt.sockaddr.sockaddr_in6; | |
| addrs6[i].addr6 = sin6->sin6_addr; | |
| addrs6[i].conf.default_server = addr[i].default_server; | |
| #if (NGX_HTTP_SSL) | |
| addrs6[i].conf.ssl = addr[i].opt.ssl; | |
| #endif | |
| #if (NGX_HTTP_V2) | |
| addrs6[i].conf.http2 = addr[i].opt.http2; | |
| #endif | |
| addrs6[i].conf.proxy_protocol = addr[i].opt.proxy_protocol; | |
| if (addr[i].hash.buckets == NULL | |
| && (addr[i].wc_head == NULL | |
| || addr[i].wc_head->hash.buckets == NULL) | |
| && (addr[i].wc_tail == NULL | |
| || addr[i].wc_tail->hash.buckets == NULL) | |
| #if (NGX_PCRE) | |
| && addr[i].nregex == 0 | |
| #endif | |
| ) | |
| { | |
| continue; | |
| } | |
| vn = ngx_palloc(cf->pool, sizeof(ngx_http_virtual_names_t)); | |
| if (vn == NULL) { | |
| return NGX_ERROR; | |
| } | |
| addrs6[i].conf.virtual_names = vn; | |
| vn->names.hash = addr[i].hash; | |
| vn->names.wc_head = addr[i].wc_head; | |
| vn->names.wc_tail = addr[i].wc_tail; | |
| #if (NGX_PCRE) | |
| vn->nregex = addr[i].nregex; | |
| vn->regex = addr[i].regex; | |
| #endif | |
| } | |
| return NGX_OK; | |
| } | |
| #endif | |
| char * | |
| ngx_http_types_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| { | |
| char *p = conf; | |
| ngx_array_t **types; | |
| ngx_str_t *value, *default_type; | |
| ngx_uint_t i, n, hash; | |
| ngx_hash_key_t *type; | |
| types = (ngx_array_t **) (p + cmd->offset); | |
| if (*types == (void *) -1) { | |
| return NGX_CONF_OK; | |
| } | |
| default_type = cmd->post; | |
| if (*types == NULL) { | |
| *types = ngx_array_create(cf->temp_pool, 1, sizeof(ngx_hash_key_t)); | |
| if (*types == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| if (default_type) { | |
| type = ngx_array_push(*types); | |
| if (type == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| type->key = *default_type; | |
| type->key_hash = ngx_hash_key(default_type->data, | |
| default_type->len); | |
| type->value = (void *) 4; | |
| } | |
| } | |
| value = cf->args->elts; | |
| for (i = 1; i < cf->args->nelts; i++) { | |
| if (value[i].len == 1 && value[i].data[0] == '*') { | |
| *types = (void *) -1; | |
| return NGX_CONF_OK; | |
| } | |
| hash = ngx_hash_strlow(value[i].data, value[i].data, value[i].len); | |
| value[i].data[value[i].len] = '\0'; | |
| type = (*types)->elts; | |
| for (n = 0; n < (*types)->nelts; n++) { | |
| if (ngx_strcmp(value[i].data, type[n].key.data) == 0) { | |
| ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| "duplicate MIME type \"%V\"", &value[i]); | |
| goto next; | |
| } | |
| } | |
| type = ngx_array_push(*types); | |
| if (type == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| type->key = value[i]; | |
| type->key_hash = hash; | |
| type->value = (void *) 4; | |
| next: | |
| continue; | |
| } | |
| return NGX_CONF_OK; | |
| } | |
| char * | |
| ngx_http_merge_types(ngx_conf_t *cf, ngx_array_t **keys, ngx_hash_t *types_hash, | |
| ngx_array_t **prev_keys, ngx_hash_t *prev_types_hash, | |
| ngx_str_t *default_types) | |
| { | |
| ngx_hash_init_t hash; | |
| if (*keys) { | |
| if (*keys == (void *) -1) { | |
| return NGX_CONF_OK; | |
| } | |
| hash.hash = types_hash; | |
| hash.key = NULL; | |
| hash.max_size = 2048; | |
| hash.bucket_size = 64; | |
| hash.name = "test_types_hash"; | |
| hash.pool = cf->pool; | |
| hash.temp_pool = NULL; | |
| if (ngx_hash_init(&hash, (*keys)->elts, (*keys)->nelts) != NGX_OK) { | |
| return NGX_CONF_ERROR; | |
| } | |
| return NGX_CONF_OK; | |
| } | |
| if (prev_types_hash->buckets == NULL) { | |
| if (*prev_keys == NULL) { | |
| if (ngx_http_set_default_types(cf, prev_keys, default_types) | |
| != NGX_OK) | |
| { | |
| return NGX_CONF_ERROR; | |
| } | |
| } else if (*prev_keys == (void *) -1) { | |
| *keys = *prev_keys; | |
| return NGX_CONF_OK; | |
| } | |
| hash.hash = prev_types_hash; | |
| hash.key = NULL; | |
| hash.max_size = 2048; | |
| hash.bucket_size = 64; | |
| hash.name = "test_types_hash"; | |
| hash.pool = cf->pool; | |
| hash.temp_pool = NULL; | |
| if (ngx_hash_init(&hash, (*prev_keys)->elts, (*prev_keys)->nelts) | |
| != NGX_OK) | |
| { | |
| return NGX_CONF_ERROR; | |
| } | |
| } | |
| *types_hash = *prev_types_hash; | |
| return NGX_CONF_OK; | |
| } | |
| ngx_int_t | |
| ngx_http_set_default_types(ngx_conf_t *cf, ngx_array_t **types, | |
| ngx_str_t *default_type) | |
| { | |
| ngx_hash_key_t *type; | |
| *types = ngx_array_create(cf->temp_pool, 1, sizeof(ngx_hash_key_t)); | |
| if (*types == NULL) { | |
| return NGX_ERROR; | |
| } | |
| while (default_type->len) { | |
| type = ngx_array_push(*types); | |
| if (type == NULL) { | |
| return NGX_ERROR; | |
| } | |
| type->key = *default_type; | |
| type->key_hash = ngx_hash_key(default_type->data, | |
| default_type->len); | |
| type->value = (void *) 4; | |
| default_type++; | |
| } | |
| return NGX_OK; | |
| } |