| |
| /* |
| * Copyright (C) Igor Sysoev |
| */ |
| |
| |
| #include <ngx_config.h> |
| #include <ngx_core.h> |
| #include <ngx_event.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_add_address(ngx_conf_t *cf, |
| ngx_http_conf_in_port_t *in_port, ngx_http_listen_t *lscf, |
| ngx_http_core_srv_conf_t *cscf); |
| static ngx_int_t ngx_http_add_names(ngx_conf_t *cf, |
| ngx_http_conf_in_addr_t *in_addr, ngx_http_core_srv_conf_t *cscf); |
| static char *ngx_http_merge_locations(ngx_conf_t *cf, |
| ngx_array_t *locations, void **loc_conf, ngx_http_module_t *module, |
| ngx_uint_t ctx_index); |
| static int ngx_libc_cdecl ngx_http_cmp_conf_in_addrs(const void *one, |
| const void *two); |
| static int ngx_libc_cdecl ngx_http_cmp_dns_wildcards(const void *one, |
| const void *two); |
| |
| ngx_uint_t ngx_http_max_module; |
| |
| ngx_uint_t ngx_http_total_requests; |
| uint64_t ngx_http_total_sent; |
| |
| |
| 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); |
| |
| |
| 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; |
| u_char ch; |
| ngx_int_t rc, j; |
| ngx_uint_t mi, m, s, l, p, a, i, n; |
| ngx_uint_t find_config_index, use_rewrite, use_access; |
| ngx_uint_t last, bind_all, done; |
| ngx_conf_t pcf; |
| ngx_array_t headers_in, in_ports; |
| ngx_hash_key_t *hk; |
| ngx_hash_init_t hash; |
| ngx_listening_t *ls; |
| ngx_http_listen_t *lscf; |
| ngx_http_module_t *module; |
| ngx_http_header_t *header; |
| ngx_http_in_port_t *hip; |
| ngx_http_handler_pt *h; |
| ngx_http_conf_ctx_t *ctx; |
| ngx_http_conf_in_port_t *in_port; |
| ngx_http_conf_in_addr_t *in_addr; |
| ngx_hash_keys_arrays_t ha; |
| ngx_http_server_name_t *name; |
| ngx_http_phase_handler_t *ph; |
| ngx_http_virtual_names_t *vn; |
| ngx_http_core_srv_conf_t **cscfp, *cscf; |
| ngx_http_core_loc_conf_t *clcf; |
| ngx_http_phase_handler_pt checker; |
| ngx_http_core_main_conf_t *cmcf; |
| #if (NGX_WIN32) |
| ngx_iocp_conf_t *iocpcf; |
| #endif |
| |
| /* 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; |
| mi = ngx_modules[m]->ctx_index; |
| |
| 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) { |
| *cf = pcf; |
| return rv; |
| } |
| |
| /* |
| * 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) { |
| *cf = pcf; |
| return rv; |
| } |
| } |
| |
| for (s = 0; s < cmcf->servers.nelts; s++) { |
| |
| /* merge the server{}s' srv_conf's */ |
| |
| if (module->merge_srv_conf) { |
| rv = module->merge_srv_conf(cf, |
| ctx->srv_conf[mi], |
| cscfp[s]->ctx->srv_conf[mi]); |
| if (rv != NGX_CONF_OK) { |
| *cf = pcf; |
| return rv; |
| } |
| } |
| |
| if (module->merge_loc_conf) { |
| |
| /* merge the server{}'s loc_conf */ |
| |
| rv = module->merge_loc_conf(cf, |
| ctx->loc_conf[mi], |
| cscfp[s]->ctx->loc_conf[mi]); |
| if (rv != NGX_CONF_OK) { |
| *cf = pcf; |
| return rv; |
| } |
| |
| /* merge the locations{}' loc_conf's */ |
| |
| rv = ngx_http_merge_locations(cf, &cscfp[s]->locations, |
| cscfp[s]->ctx->loc_conf, |
| module, mi); |
| if (rv != NGX_CONF_OK) { |
| *cf = pcf; |
| return rv; |
| } |
| } |
| } |
| } |
| |
| |
| /* init lists of the handlers */ |
| |
| if (ngx_array_init(&cmcf->phases[NGX_HTTP_POST_READ_PHASE].handlers, |
| cf->pool, 1, sizeof(ngx_http_handler_pt)) |
| != NGX_OK) |
| { |
| return NGX_CONF_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_CONF_ERROR; |
| } |
| |
| |
| if (ngx_array_init(&cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers, |
| cf->pool, 1, sizeof(ngx_http_handler_pt)) |
| != NGX_OK) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| |
| if (ngx_array_init(&cmcf->phases[NGX_HTTP_PREACCESS_PHASE].handlers, |
| cf->pool, 1, sizeof(ngx_http_handler_pt)) |
| != NGX_OK) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| |
| if (ngx_array_init(&cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers, |
| cf->pool, 2, sizeof(ngx_http_handler_pt)) |
| != NGX_OK) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| |
| if (ngx_array_init(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers, |
| cf->pool, 4, sizeof(ngx_http_handler_pt)) |
| != NGX_OK) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| |
| if (ngx_array_init(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers, |
| cf->pool, 1, sizeof(ngx_http_handler_pt)) |
| != NGX_OK) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| |
| if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) |
| != NGX_OK) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| for (header = ngx_http_headers_in; header->name.len; header++) { |
| hk = ngx_array_push(&headers_in); |
| if (hk == NULL) { |
| return NGX_CONF_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_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_CONF_ERROR; |
| } |
| |
| |
| 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->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; |
| |
| |
| cmcf->phase_engine.server_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 + 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_CONF_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_generic_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_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_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++; |
| } |
| } |
| |
| |
| /* |
| * create the lists of ports, addresses and server names |
| * to quickly find the server core module configuration at run-time |
| */ |
| |
| if (ngx_array_init(&in_ports, cf->temp_pool, 2, |
| sizeof(ngx_http_conf_in_port_t)) |
| != NGX_OK) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| /* "server" directives */ |
| |
| cscfp = cmcf->servers.elts; |
| for (s = 0; s < cmcf->servers.nelts; s++) { |
| |
| /* "listen" directives */ |
| |
| lscf = cscfp[s]->listen.elts; |
| for (l = 0; l < cscfp[s]->listen.nelts; l++) { |
| |
| /* AF_INET only */ |
| |
| in_port = in_ports.elts; |
| for (p = 0; p < in_ports.nelts; p++) { |
| |
| if (lscf[l].port != in_port[p].port) { |
| continue; |
| } |
| |
| /* the port is already in the port list */ |
| |
| in_addr = in_port[p].addrs.elts; |
| for (a = 0; a < in_port[p].addrs.nelts; a++) { |
| |
| if (lscf[l].addr != in_addr[a].addr) { |
| continue; |
| } |
| |
| /* the address is already in the address list */ |
| |
| if (ngx_http_add_names(cf, &in_addr[a], cscfp[s]) != NGX_OK) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| /* |
| * check the duplicate "default" server |
| * for this address:port |
| */ |
| |
| if (lscf[l].conf.default_server) { |
| |
| if (in_addr[a].default_server) { |
| ngx_log_error(NGX_LOG_ERR, cf->log, 0, |
| "the duplicate default server in %V:%d", |
| &lscf[l].file_name, lscf[l].line); |
| |
| return NGX_CONF_ERROR; |
| } |
| |
| in_addr[a].core_srv_conf = cscfp[s]; |
| in_addr[a].default_server = 1; |
| } |
| |
| goto found; |
| } |
| |
| /* |
| * add the address to the addresses list that |
| * bound to this port |
| */ |
| |
| if (ngx_http_add_address(cf, &in_port[p], &lscf[l], cscfp[s]) |
| != NGX_OK) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| goto found; |
| } |
| |
| /* add the port to the in_port list */ |
| |
| in_port = ngx_array_push(&in_ports); |
| if (in_port == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| in_port->port = lscf[l].port; |
| in_port->addrs.elts = NULL; |
| |
| if (ngx_http_add_address(cf, in_port, &lscf[l], cscfp[s]) != NGX_OK) |
| { |
| return NGX_CONF_ERROR; |
| } |
| |
| found: |
| |
| continue; |
| } |
| } |
| |
| |
| /* optimize the lists of ports, addresses and server names */ |
| |
| /* AF_INET only */ |
| |
| in_port = in_ports.elts; |
| for (p = 0; p < in_ports.nelts; p++) { |
| |
| ngx_qsort(in_port[p].addrs.elts, (size_t) in_port[p].addrs.nelts, |
| sizeof(ngx_http_conf_in_addr_t), ngx_http_cmp_conf_in_addrs); |
| |
| /* |
| * check whether all name-based servers have the same configuraiton |
| * as the default server, |
| * or some servers disable optimizing the server names |
| */ |
| |
| in_addr = in_port[p].addrs.elts; |
| for (a = 0; a < in_port[p].addrs.nelts; a++) { |
| |
| name = in_addr[a].names.elts; |
| for (s = 0; s < in_addr[a].names.nelts; s++) { |
| |
| if (in_addr[a].core_srv_conf != name[s].core_srv_conf |
| || name[s].core_srv_conf->optimize_server_names == 0) |
| { |
| goto virtual_names; |
| } |
| } |
| |
| /* |
| * if all name-based servers have the same configuration |
| * as the default server, |
| * and no servers disable optimizing the server names |
| * then we do not need to check them at run-time at all |
| */ |
| |
| in_addr[a].names.nelts = 0; |
| |
| continue; |
| |
| virtual_names: |
| |
| ngx_memzero(&ha, sizeof(ngx_hash_keys_arrays_t)); |
| |
| ha.temp_pool = ngx_create_pool(16384, cf->log); |
| if (ha.temp_pool == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| ha.pool = cf->pool; |
| |
| if (ngx_hash_keys_array_init(&ha, NGX_HASH_LARGE) != NGX_OK) { |
| ngx_destroy_pool(ha.temp_pool); |
| return NGX_CONF_ERROR; |
| } |
| |
| name = in_addr[a].names.elts; |
| for (s = 0; s < in_addr[a].names.nelts; s++) { |
| |
| ch = name[s].name.data[0]; |
| |
| if (ch == '*' || ch == '.') { |
| continue; |
| } |
| |
| rc = ngx_hash_add_key(&ha, &name[s].name, name[s].core_srv_conf, |
| 0); |
| |
| if (rc == NGX_ERROR) { |
| return NGX_CONF_ERROR; |
| } |
| |
| if (rc == NGX_BUSY) { |
| ngx_log_error(NGX_LOG_WARN, cf->log, 0, |
| "conflicting server name \"%V\" on %s, ignored", |
| &name[s].name, in_addr[a].listen_conf->addr); |
| } |
| } |
| |
| for (s = 0; s < in_addr[a].names.nelts; s++) { |
| |
| ch = name[s].name.data[0]; |
| |
| if (ch != '*' && ch != '.') { |
| continue; |
| } |
| |
| rc = ngx_hash_add_key(&ha, &name[s].name, name[s].core_srv_conf, |
| NGX_HASH_WILDCARD_KEY); |
| |
| if (rc == NGX_ERROR) { |
| return NGX_CONF_ERROR; |
| } |
| |
| if (rc == NGX_BUSY) { |
| ngx_log_error(NGX_LOG_WARN, cf->log, 0, |
| "conflicting server name \"%V\" on %s, ignored", |
| &name[s].name, in_addr[a].listen_conf->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 = &in_addr[a].hash; |
| hash.temp_pool = NULL; |
| |
| if (ngx_hash_init(&hash, ha.keys.elts, ha.keys.nelts) != NGX_OK) |
| { |
| ngx_destroy_pool(ha.temp_pool); |
| return NGX_CONF_ERROR; |
| } |
| } |
| |
| if (ha.dns_wildcards.nelts) { |
| |
| ngx_qsort(ha.dns_wildcards.elts, |
| (size_t) ha.dns_wildcards.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_wildcards.elts, |
| ha.dns_wildcards.nelts) |
| != NGX_OK) |
| { |
| ngx_destroy_pool(ha.temp_pool); |
| return NGX_CONF_ERROR; |
| } |
| |
| in_addr[a].dns_wildcards = (ngx_hash_wildcard_t *) hash.hash; |
| } |
| |
| ngx_destroy_pool(ha.temp_pool); |
| } |
| |
| in_addr = in_port[p].addrs.elts; |
| last = in_port[p].addrs.nelts; |
| |
| /* |
| * if there is the binding to the "*:port" then we need to bind() |
| * to the "*:port" only and ignore the other bindings |
| */ |
| |
| if (in_addr[last - 1].addr == INADDR_ANY) { |
| in_addr[last - 1].bind = 1; |
| bind_all = 0; |
| |
| } else { |
| bind_all = 1; |
| } |
| |
| for (a = 0; a < last; /* void */ ) { |
| |
| if (!bind_all && !in_addr[a].bind) { |
| a++; |
| continue; |
| } |
| |
| ls = ngx_listening_inet_stream_socket(cf, in_addr[a].addr, |
| in_port[p].port); |
| if (ls == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| ls->addr_ntop = 1; |
| |
| ls->handler = ngx_http_init_connection; |
| |
| cscf = in_addr[a].core_srv_conf; |
| 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->log = *clcf->err_log; |
| ls->log.data = &ls->addr_text; |
| ls->log.handler = ngx_accept_log_error; |
| |
| #if (NGX_WIN32) |
| iocpcf = ngx_event_get_conf(cf->cycle->conf_ctx, ngx_iocp_module); |
| if (iocpcf->acceptex_read) { |
| ls->post_accept_buffer_size = cscf->client_header_buffer_size; |
| } |
| #endif |
| |
| ls->backlog = in_addr[a].listen_conf->backlog; |
| ls->rcvbuf = in_addr[a].listen_conf->rcvbuf; |
| ls->sndbuf = in_addr[a].listen_conf->sndbuf; |
| |
| #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) |
| ls->accept_filter = in_addr[a].listen_conf->accept_filter; |
| #endif |
| |
| #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) |
| ls->deferred_accept = in_addr[a].listen_conf->deferred_accept; |
| #endif |
| |
| hip = ngx_palloc(cf->pool, sizeof(ngx_http_in_port_t)); |
| if (hip == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| hip->port = in_port[p].port; |
| |
| hip->port_text.data = ngx_palloc(cf->pool, 7); |
| if (hip->port_text.data == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| ls->servers = hip; |
| |
| hip->port_text.len = ngx_sprintf(hip->port_text.data, ":%d", |
| hip->port) |
| - hip->port_text.data; |
| |
| in_addr = in_port[p].addrs.elts; |
| |
| if (in_addr[a].bind && in_addr[a].addr != INADDR_ANY) { |
| hip->naddrs = 1; |
| done = 0; |
| |
| } else if (in_port[p].addrs.nelts > 1 |
| && in_addr[last - 1].addr == INADDR_ANY) |
| { |
| hip->naddrs = last; |
| done = 1; |
| |
| } else { |
| hip->naddrs = 1; |
| done = 0; |
| } |
| |
| #if 0 |
| ngx_log_error(NGX_LOG_ALERT, cf->log, 0, |
| "%ui: %V %d %ui %ui", |
| a, &ls->addr_text, in_addr[a].bind, |
| hip->naddrs, last); |
| #endif |
| |
| hip->addrs = ngx_pcalloc(cf->pool, |
| hip->naddrs * sizeof(ngx_http_in_addr_t)); |
| if (hip->addrs == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| for (i = 0; i < hip->naddrs; i++) { |
| hip->addrs[i].addr = in_addr[i].addr; |
| hip->addrs[i].core_srv_conf = in_addr[i].core_srv_conf; |
| |
| if (in_addr[i].hash.buckets == NULL |
| && (in_addr[i].dns_wildcards == NULL |
| || in_addr[i].dns_wildcards->hash.buckets == NULL)) |
| { |
| continue; |
| } |
| |
| vn = ngx_palloc(cf->pool, sizeof(ngx_http_virtual_names_t)); |
| if (vn == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| hip->addrs[i].virtual_names = vn; |
| |
| vn->hash = in_addr[i].hash; |
| vn->dns_wildcards = in_addr[i].dns_wildcards; |
| } |
| |
| if (done) { |
| break; |
| } |
| |
| in_addr++; |
| in_port[p].addrs.elts = in_addr; |
| last--; |
| |
| a = 0; |
| } |
| } |
| |
| #if 0 |
| { |
| u_char address[20]; |
| ngx_uint_t p, a; |
| |
| in_port = in_ports.elts; |
| for (p = 0; p < in_ports.nelts; p++) { |
| ngx_log_debug2(NGX_LOG_DEBUG_HTTP, cf->log, 0, |
| "port: %d %p", in_port[p].port, &in_port[p]); |
| in_addr = in_port[p].addrs.elts; |
| for (a = 0; a < in_port[p].addrs.nelts; a++) { |
| ngx_inet_ntop(AF_INET, &in_addr[a].addr, address, 20); |
| ngx_log_debug3(NGX_LOG_DEBUG_HTTP, cf->log, 0, |
| "%s:%d %p", |
| address, in_port[p].port, in_addr[a].core_srv_conf); |
| name = in_addr[a].names.elts; |
| for (n = 0; n < in_addr[a].names.nelts; n++) { |
| ngx_log_debug4(NGX_LOG_DEBUG_HTTP, cf->log, 0, |
| "%s:%d %V %p", |
| address, in_port[p].port, &name[n].name, |
| name[n].core_srv_conf); |
| } |
| } |
| } |
| } |
| #endif |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| /* |
| * add the server address, the server names and the server core module |
| * configurations to the port (in_port) |
| */ |
| |
| static ngx_int_t |
| ngx_http_add_address(ngx_conf_t *cf, ngx_http_conf_in_port_t *in_port, |
| ngx_http_listen_t *lscf, ngx_http_core_srv_conf_t *cscf) |
| { |
| ngx_http_conf_in_addr_t *in_addr; |
| |
| if (in_port->addrs.elts == NULL) { |
| if (ngx_array_init(&in_port->addrs, cf->temp_pool, 4, |
| sizeof(ngx_http_conf_in_addr_t)) != NGX_OK) |
| { |
| return NGX_ERROR; |
| } |
| } |
| |
| in_addr = ngx_array_push(&in_port->addrs); |
| if (in_addr == NULL) { |
| return NGX_ERROR; |
| } |
| |
| in_addr->addr = lscf->addr; |
| in_addr->hash.buckets = NULL; |
| in_addr->hash.size = 0; |
| in_addr->dns_wildcards = NULL; |
| in_addr->names.elts = NULL; |
| in_addr->core_srv_conf = cscf; |
| in_addr->default_server = lscf->conf.default_server; |
| in_addr->bind = lscf->conf.bind; |
| in_addr->listen_conf = &lscf->conf; |
| |
| #if (NGX_DEBUG) |
| { |
| u_char text[20]; |
| ngx_inet_ntop(AF_INET, &in_addr->addr, text, 20); |
| ngx_log_debug2(NGX_LOG_DEBUG_HTTP, cf->log, 0, "address: %s:%d", |
| text, in_port->port); |
| } |
| #endif |
| |
| return ngx_http_add_names(cf, in_addr, cscf); |
| } |
| |
| |
| /* |
| * add the server names and the server core module |
| * configurations to the address:port (in_addr) |
| */ |
| |
| static ngx_int_t |
| ngx_http_add_names(ngx_conf_t *cf, ngx_http_conf_in_addr_t *in_addr, |
| ngx_http_core_srv_conf_t *cscf) |
| { |
| ngx_uint_t i, n; |
| ngx_http_server_name_t *server_names, *name; |
| |
| if (in_addr->names.elts == NULL) { |
| if (ngx_array_init(&in_addr->names, cf->temp_pool, 4, |
| sizeof(ngx_http_server_name_t)) != NGX_OK) |
| { |
| return NGX_ERROR; |
| } |
| } |
| |
| server_names = cscf->server_names.elts; |
| for (i = 0; i < cscf->server_names.nelts; i++) { |
| |
| for (n = 0; n < server_names[i].name.len; n++) { |
| server_names[i].name.data[n] = |
| ngx_tolower(server_names[i].name.data[n]); |
| } |
| |
| ngx_log_debug1(NGX_LOG_DEBUG_HTTP, cf->log, 0, |
| "name: %V", &server_names[i].name); |
| |
| |
| name = ngx_array_push(&in_addr->names); |
| if (name == NULL) { |
| return NGX_ERROR; |
| } |
| |
| *name = server_names[i]; |
| } |
| |
| return NGX_OK; |
| } |
| |
| |
| static char * |
| ngx_http_merge_locations(ngx_conf_t *cf, ngx_array_t *locations, |
| void **loc_conf, ngx_http_module_t *module, ngx_uint_t ctx_index) |
| { |
| char *rv; |
| ngx_uint_t i; |
| ngx_http_core_loc_conf_t **clcfp; |
| |
| clcfp = locations->elts; |
| |
| for (i = 0; i < locations->nelts; i++) { |
| rv = module->merge_loc_conf(cf, loc_conf[ctx_index], |
| clcfp[i]->loc_conf[ctx_index]); |
| if (rv != NGX_CONF_OK) { |
| return rv; |
| } |
| |
| rv = ngx_http_merge_locations(cf, &clcfp[i]->locations, |
| clcfp[i]->loc_conf, module, ctx_index); |
| if (rv != NGX_CONF_OK) { |
| return rv; |
| } |
| } |
| |
| return NGX_CONF_OK; |
| } |
| |
| |
| static int ngx_libc_cdecl |
| ngx_http_cmp_conf_in_addrs(const void *one, const void *two) |
| { |
| ngx_http_conf_in_addr_t *first, *second; |
| |
| first = (ngx_http_conf_in_addr_t *) one; |
| second = (ngx_http_conf_in_addr_t *) two; |
| |
| if (first->addr == INADDR_ANY) { |
| /* the INADDR_ANY must be the last resort, shift it to the end */ |
| return 1; |
| } |
| |
| if (first->bind && !second->bind) { |
| /* shift explicit bind()ed addresses to the start */ |
| return -1; |
| } |
| |
| if (!first->bind && second->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_strcmp(first->key.data, second->key.data); |
| } |
