| |
| /* |
| * 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_int_t (*ngx_http_top_header_filter) (ngx_http_request_t *r); |
| ngx_int_t (*ngx_http_top_body_filter) (ngx_http_request_t *r, ngx_chain_t *ch); |
| |
| |
| 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; |
| |
| /* 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 = 0; |
| for (m = 0; ngx_modules[m]; m++) { |
| if (ngx_modules[m]->type != NGX_HTTP_MODULE) { |
| continue; |
| } |
| |
| ngx_modules[m]->ctx_index = ngx_http_max_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; ngx_modules[m]; m++) { |
| if (ngx_modules[m]->type != NGX_HTTP_MODULE) { |
| continue; |
| } |
| |
| module = ngx_modules[m]->ctx; |
| mi = ngx_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; ngx_modules[m]; m++) { |
| if (ngx_modules[m]->type != NGX_HTTP_MODULE) { |
| continue; |
| } |
| |
| module = ngx_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; ngx_modules[m]; m++) { |
| if (ngx_modules[m]->type != NGX_HTTP_MODULE) { |
| continue; |
| } |
| |
| module = ngx_modules[m]->ctx; |
| mi = ngx_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; ngx_modules[m]; m++) { |
| if (ngx_modules[m]->type != NGX_HTTP_MODULE) { |
| continue; |
| } |
| |
| module = ngx_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 = use_rewrite + use_access + cmcf->try_files + 1 /* find config phase */; |
| |
| 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_strcmp(first->name.data, second->name.data); |
| |
| 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 (ngx_strcmp(lq->name->data, lx->name->data) == 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_strncmp(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; |
| struct sockaddr_in *sin; |
| ngx_http_conf_port_t *port; |
| ngx_http_core_main_conf_t *cmcf; |
| #if (NGX_HAVE_INET6) |
| struct sockaddr_in6 *sin6; |
| #endif |
| |
| 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->u.sockaddr; |
| |
| switch (sa->sa_family) { |
| |
| #if (NGX_HAVE_INET6) |
| case AF_INET6: |
| sin6 = &lsopt->u.sockaddr_in6; |
| p = sin6->sin6_port; |
| break; |
| #endif |
| |
| #if (NGX_HAVE_UNIX_DOMAIN) |
| case AF_UNIX: |
| p = 0; |
| break; |
| #endif |
| |
| default: /* AF_INET */ |
| sin = &lsopt->u.sockaddr_in; |
| p = sin->sin_port; |
| break; |
| } |
| |
| 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) |
| { |
| u_char *p; |
| size_t len, off; |
| ngx_uint_t i, default_server; |
| struct sockaddr *sa; |
| ngx_http_conf_addr_t *addr; |
| #if (NGX_HAVE_UNIX_DOMAIN) |
| struct sockaddr_un *saun; |
| #endif |
| #if (NGX_HTTP_SSL) |
| ngx_uint_t ssl; |
| #endif |
| #if (NGX_HTTP_SPDY) |
| ngx_uint_t spdy; |
| #endif |
| |
| /* |
| * we cannot compare whole sockaddr struct's as kernel |
| * may fill some fields in inherited sockaddr struct's |
| */ |
| |
| sa = &lsopt->u.sockaddr; |
| |
| switch (sa->sa_family) { |
| |
| #if (NGX_HAVE_INET6) |
| case AF_INET6: |
| off = offsetof(struct sockaddr_in6, sin6_addr); |
| len = 16; |
| break; |
| #endif |
| |
| #if (NGX_HAVE_UNIX_DOMAIN) |
| case AF_UNIX: |
| off = offsetof(struct sockaddr_un, sun_path); |
| len = sizeof(saun->sun_path); |
| break; |
| #endif |
| |
| default: /* AF_INET */ |
| off = offsetof(struct sockaddr_in, sin_addr); |
| len = 4; |
| break; |
| } |
| |
| p = lsopt->u.sockaddr_data + off; |
| |
| addr = port->addrs.elts; |
| |
| for (i = 0; i < port->addrs.nelts; i++) { |
| |
| if (ngx_memcmp(p, addr[i].opt.u.sockaddr_data + off, len) != 0) { |
| 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; |
| |
| #if (NGX_HTTP_SSL) |
| ssl = lsopt->ssl || addr[i].opt.ssl; |
| #endif |
| #if (NGX_HTTP_SPDY) |
| spdy = lsopt->spdy || addr[i].opt.spdy; |
| #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; |
| #if (NGX_HTTP_SSL) |
| addr[i].opt.ssl = ssl; |
| #endif |
| #if (NGX_HTTP_SPDY) |
| addr[i].opt.spdy = spdy; |
| #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_SPDY && NGX_HTTP_SSL && !defined TLSEXT_TYPE_next_proto_neg) |
| if (lsopt->spdy && lsopt->ssl) { |
| ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
| "nginx was built without OpenSSL NPN support, " |
| "SPDY 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; |
| |
| if (i == last - 1) { |
| hport->naddrs = last; |
| |
| } else { |
| hport->naddrs = 1; |
| i = 0; |
| } |
| |
| 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; |
| } |
| |
| 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.u.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 && defined IPV6_V6ONLY) |
| ls->ipv6only = addr->opt.ipv6only; |
| #endif |
| |
| #if (NGX_HAVE_SETFIB) |
| ls->setfib = addr->opt.setfib; |
| #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.u.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_SPDY) |
| addrs[i].conf.spdy = addr[i].opt.spdy; |
| #endif |
| |
| 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.u.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_SPDY) |
| addrs6[i].conf.spdy = addr[i].opt.spdy; |
| #endif |
| |
| 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]); |
| continue; |
| } |
| } |
| |
| type = ngx_array_push(*types); |
| if (type == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| type->key = value[i]; |
| type->key_hash = hash; |
| type->value = (void *) 4; |
| } |
| |
| 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; |
| } |