| #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); | |
| int ngx_http_max_module; | |
| ngx_uint_t ngx_http_total_requests; | |
| uint64_t ngx_http_total_sent; | |
| int (*ngx_http_top_header_filter) (ngx_http_request_t *r); | |
| int (*ngx_http_top_body_filter) (ngx_http_request_t *r, ngx_chain_t *ch); | |
| static ngx_str_t http_name = ngx_string("http"); | |
| 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 | |
| }; | |
| ngx_module_t ngx_http_module = { | |
| NGX_MODULE, | |
| &http_name, /* module context */ | |
| ngx_http_commands, /* module directives */ | |
| NGX_CORE_MODULE, /* module type */ | |
| NULL, /* init module */ | |
| NULL /* init child */ | |
| }; | |
| static char *ngx_http_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| { | |
| int mi, m, s, l, p, a, n; | |
| int port_found, addr_found, virtual_names; | |
| char *rv; | |
| struct sockaddr_in *addr_in; | |
| ngx_conf_t pcf; | |
| ngx_array_t in_ports; | |
| ngx_listening_t *ls; | |
| ngx_http_listen_t *lscf; | |
| ngx_http_module_t *module; | |
| ngx_http_handler_pt *h; | |
| ngx_http_conf_ctx_t *ctx; | |
| ngx_http_in_port_t *in_port, *inport; | |
| ngx_http_in_addr_t *in_addr, *inaddr; | |
| ngx_http_server_name_t *s_name, *name; | |
| ngx_http_core_srv_conf_t **cscfp, *cscf; | |
| ngx_http_core_loc_conf_t **clcfp, *clcf; | |
| ngx_http_core_main_conf_t *cmcf; | |
| #if (WIN32) | |
| ngx_iocp_conf_t *iocpcf; | |
| #endif | |
| /* the main http context */ | |
| ngx_test_null(ctx, | |
| ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)), | |
| 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 main http main_conf, it's the same in the all http contexts */ | |
| ngx_test_null(ctx->main_conf, | |
| ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module), | |
| NGX_CONF_ERROR); | |
| /* the http null srv_conf, it's used to merge the server{}s' srv_conf's */ | |
| ngx_test_null(ctx->srv_conf, | |
| ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module), | |
| NGX_CONF_ERROR); | |
| /* the http null loc_conf, it's used to merge the server{}s' loc_conf's */ | |
| ngx_test_null(ctx->loc_conf, | |
| ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module), | |
| NGX_CONF_ERROR); | |
| /* create the main_conf, srv_conf and loc_conf in 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->pre_conf) { | |
| if (module->pre_conf(cf) != NGX_OK) { | |
| return NGX_CONF_ERROR; | |
| } | |
| } | |
| if (module->create_main_conf) { | |
| ngx_test_null(ctx->main_conf[mi], module->create_main_conf(cf), | |
| NGX_CONF_ERROR); | |
| } | |
| if (module->create_srv_conf) { | |
| ngx_test_null(ctx->srv_conf[mi], module->create_srv_conf(cf), | |
| NGX_CONF_ERROR); | |
| } | |
| if (module->create_loc_conf) { | |
| ngx_test_null(ctx->loc_conf[mi], module->create_loc_conf(cf), | |
| NGX_CONF_ERROR); | |
| } | |
| } | |
| /* parse inside the http{} block */ | |
| pcf = *cf; | |
| cf->ctx = ctx; | |
| 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 */ | |
| clcfp = (ngx_http_core_loc_conf_t **)cscfp[s]->locations.elts; | |
| for (l = 0; l < cscfp[s]->locations.nelts; l++) { | |
| rv = module->merge_loc_conf(cf, | |
| cscfp[s]->ctx->loc_conf[mi], | |
| clcfp[l]->loc_conf[mi]); | |
| if (rv != NGX_CONF_OK) { | |
| *cf = pcf; | |
| return rv; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| /* we needed "http"'s cf->ctx while merging configuration */ | |
| *cf = pcf; | |
| /* init lists of the handlers */ | |
| ngx_init_array(cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers, | |
| cf->cycle->pool, 10, sizeof(ngx_http_handler_pt), | |
| NGX_CONF_ERROR); | |
| cmcf->phases[NGX_HTTP_REWRITE_PHASE].type = NGX_OK; | |
| ngx_init_array(cmcf->phases[NGX_HTTP_FIND_CONFIG_PHASE].handlers, | |
| cf->cycle->pool, 1, sizeof(ngx_http_handler_pt), | |
| NGX_CONF_ERROR); | |
| cmcf->phases[NGX_HTTP_FIND_CONFIG_PHASE].type = NGX_OK; | |
| ngx_test_null(h, ngx_push_array( | |
| &cmcf->phases[NGX_HTTP_FIND_CONFIG_PHASE].handlers), | |
| NGX_CONF_ERROR); | |
| *h = ngx_http_find_location_config; | |
| ngx_init_array(cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers, | |
| cf->cycle->pool, 10, sizeof(ngx_http_handler_pt), | |
| NGX_CONF_ERROR); | |
| cmcf->phases[NGX_HTTP_CONTENT_PHASE].type = NGX_OK; | |
| /* | |
| * create the lists of the ports, the addresses and the server names | |
| * to allow quickly find the server core module configuration at run-time | |
| */ | |
| ngx_init_array(in_ports, cf->pool, 10, sizeof(ngx_http_in_port_t), | |
| 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++) { | |
| port_found = 0; | |
| /* AF_INET only */ | |
| in_port = in_ports.elts; | |
| for (p = 0; p < in_ports.nelts; p++) { | |
| if (lscf[l].port == in_port[p].port) { | |
| /* the port is already in the port list */ | |
| port_found = 1; | |
| addr_found = 0; | |
| 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) { | |
| /* the address is already bound to this port */ | |
| /* "server_name" directives */ | |
| s_name = cscfp[s]->server_names.elts; | |
| for (n = 0; n < cscfp[s]->server_names.nelts; n++) { | |
| /* | |
| * add the server name and server core module | |
| * configuration to the address:port | |
| */ | |
| /* TODO: duplicate names can be checked here */ | |
| ngx_test_null(name, | |
| ngx_push_array(&in_addr[a].names), | |
| NGX_CONF_ERROR); | |
| name->name = s_name[n].name; | |
| name->core_srv_conf = s_name[n].core_srv_conf; | |
| } | |
| /* | |
| * check duplicate "default" server that | |
| * serves this address:port | |
| */ | |
| if (lscf[l].flags & NGX_HTTP_DEFAULT_SERVER) { | |
| if (in_addr[a].flags | |
| & NGX_HTTP_DEFAULT_SERVER) { | |
| ngx_log_error(NGX_LOG_ERR, cf->log, 0, | |
| "duplicate default server in %s:%d", | |
| lscf[l].file_name.data, | |
| lscf[l].line); | |
| return NGX_CONF_ERROR; | |
| } | |
| in_addr[a].flags |= NGX_HTTP_DEFAULT_SERVER; | |
| in_addr[a].core_srv_conf = cscfp[s]; | |
| } | |
| addr_found = 1; | |
| break; | |
| } else if (in_addr[a].addr == INADDR_ANY) { | |
| /* | |
| * "*:port" must be the last resort so move it | |
| * to the end of the address list and add | |
| * the new address at its place | |
| */ | |
| ngx_test_null(inaddr, | |
| ngx_push_array(&in_port[p].addrs), | |
| NGX_CONF_ERROR); | |
| ngx_memcpy(inaddr, &in_addr[a], | |
| sizeof(ngx_http_in_addr_t)); | |
| in_addr[a].addr = lscf[l].addr; | |
| in_addr[a].flags = lscf[l].flags; | |
| in_addr[a].core_srv_conf = cscfp[s]; | |
| /* | |
| * create the empty list of the server names that | |
| * can be served on this address:port | |
| */ | |
| ngx_init_array(inaddr->names, cf->pool, 10, | |
| sizeof(ngx_http_server_name_t), | |
| NGX_CONF_ERROR); | |
| addr_found = 1; | |
| break; | |
| } | |
| } | |
| if (!addr_found) { | |
| /* | |
| * add the address to the addresses list that | |
| * bound to this port | |
| */ | |
| ngx_test_null(inaddr, | |
| ngx_push_array(&in_port[p].addrs), | |
| NGX_CONF_ERROR); | |
| inaddr->addr = lscf[l].addr; | |
| inaddr->flags = lscf[l].flags; | |
| inaddr->core_srv_conf = cscfp[s]; | |
| /* | |
| * create the empty list of the server names that | |
| * can be served on this address:port | |
| */ | |
| ngx_init_array(inaddr->names, cf->pool, 10, | |
| sizeof(ngx_http_server_name_t), | |
| NGX_CONF_ERROR); | |
| } | |
| } | |
| } | |
| if (!port_found) { | |
| /* add the port to the in_port list */ | |
| ngx_test_null(in_port, | |
| ngx_push_array(&in_ports), | |
| NGX_CONF_ERROR); | |
| in_port->port = lscf[l].port; | |
| ngx_test_null(in_port->port_name.data, ngx_palloc(cf->pool, 7), | |
| NGX_CONF_ERROR); | |
| in_port->port_name.len = ngx_snprintf(in_port->port_name.data, | |
| 7, ":%d", | |
| in_port->port); | |
| /* create list of the addresses that bound to this port ... */ | |
| ngx_init_array(in_port->addrs, cf->pool, 10, | |
| sizeof(ngx_http_in_addr_t), | |
| NGX_CONF_ERROR); | |
| ngx_test_null(inaddr, ngx_push_array(&in_port->addrs), | |
| NGX_CONF_ERROR); | |
| /* ... and add the address to this list */ | |
| inaddr->addr = lscf[l].addr; | |
| inaddr->flags = lscf[l].flags; | |
| inaddr->core_srv_conf = cscfp[s]; | |
| /* | |
| * create the empty list of the server names that | |
| * can be served on this address:port | |
| */ | |
| ngx_init_array(inaddr->names, cf->pool, 10, | |
| sizeof(ngx_http_server_name_t), | |
| NGX_CONF_ERROR); | |
| } | |
| } | |
| } | |
| /* optimize the lists of the ports, the addresses and the server names */ | |
| /* AF_INET only */ | |
| in_port = in_ports.elts; | |
| for (p = 0; p < in_ports.nelts; p++) { | |
| /* check whether the all server names point to the same server */ | |
| in_addr = in_port[p].addrs.elts; | |
| for (a = 0; a < in_port[p].addrs.nelts; a++) { | |
| virtual_names = 0; | |
| name = in_addr[a].names.elts; | |
| for (n = 0; n < in_addr[a].names.nelts; n++) { | |
| if (in_addr[a].core_srv_conf != name[n].core_srv_conf) { | |
| virtual_names = 1; | |
| break; | |
| } | |
| } | |
| /* | |
| * if the all server names point to the same server | |
| * then we do not need to check them at run-time | |
| */ | |
| if (!virtual_names) { | |
| in_addr[a].names.nelts = 0; | |
| } | |
| } | |
| /* | |
| * if there's the binding to "*:port" then we need to bind() | |
| * to "*:port" only and ignore the other bindings | |
| */ | |
| if (in_addr[a - 1].addr == INADDR_ANY) { | |
| a--; | |
| } else { | |
| a = 0; | |
| } | |
| in_addr = in_port[p].addrs.elts; | |
| while (a < in_port[p].addrs.nelts) { | |
| ngx_test_null(ls, ngx_push_array(&cf->cycle->listening), | |
| NGX_CONF_ERROR); | |
| ngx_memzero(ls, sizeof(ngx_listening_t)); | |
| ngx_test_null(addr_in, | |
| ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)), | |
| NGX_CONF_ERROR); | |
| addr_in->sin_family = AF_INET; | |
| addr_in->sin_addr.s_addr = in_addr[a].addr; | |
| addr_in->sin_port = htons((u_short) in_port[p].port); | |
| ngx_test_null(ls->addr_text.data, | |
| ngx_palloc(cf->pool, INET_ADDRSTRLEN + 6), | |
| NGX_CONF_ERROR); | |
| ls->addr_text.len = | |
| ngx_snprintf(ls->addr_text.data | |
| + ngx_inet_ntop(AF_INET, | |
| (char *) &in_addr[a].addr, | |
| ls->addr_text.data, | |
| INET_ADDRSTRLEN), | |
| 6, ":%d", in_port[p].port); | |
| ls->fd = -1; | |
| ls->family = AF_INET; | |
| ls->type = SOCK_STREAM; | |
| ls->protocol = IPPROTO_IP; | |
| #if (WIN32) | |
| ls->flags = WSA_FLAG_OVERLAPPED; | |
| #endif | |
| ls->sockaddr = (struct sockaddr *) addr_in; | |
| ls->socklen = sizeof(struct sockaddr_in); | |
| ls->addr = offsetof(struct sockaddr_in, sin_addr); | |
| ls->addr_text_max_len = INET_ADDRSTRLEN; | |
| ls->backlog = -1; | |
| #if 0 | |
| #if 0 | |
| ls->nonblocking = 1; | |
| #else | |
| ls->nonblocking = 0; | |
| #endif | |
| #endif | |
| 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->post_accept_timeout; | |
| clcf = cscf->ctx->loc_conf[ngx_http_core_module.ctx_index]; | |
| ls->log = clcf->err_log; | |
| #if (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->ctx = ctx; | |
| if (in_port[p].addrs.nelts > 1) { | |
| in_addr = in_port[p].addrs.elts; | |
| if (in_addr[in_port[p].addrs.nelts - 1].addr != INADDR_ANY) { | |
| /* | |
| * if this port has not the "*:port" binding then create | |
| * the separate ngx_http_in_port_t for the all bindings | |
| */ | |
| ngx_test_null(inport, | |
| ngx_palloc(cf->pool, | |
| sizeof(ngx_http_in_port_t)), | |
| NGX_CONF_ERROR); | |
| inport->port = in_port[p].port; | |
| inport->port_name = in_port[p].port_name; | |
| /* init list of the addresses ... */ | |
| ngx_init_array(inport->addrs, cf->pool, 1, | |
| sizeof(ngx_http_in_addr_t), | |
| NGX_CONF_ERROR); | |
| /* ... and set up it with the first address */ | |
| inport->addrs.nelts = 1; | |
| inport->addrs.elts = in_port[p].addrs.elts; | |
| ls->servers = inport; | |
| /* prepare for the next cycle */ | |
| in_port[p].addrs.elts = (char *) in_port[p].addrs.elts | |
| + in_port[p].addrs.size; | |
| in_port[p].addrs.nelts--; | |
| in_addr = (ngx_http_in_addr_t *) in_port[p].addrs.elts; | |
| a = 0; | |
| continue; | |
| } | |
| } | |
| ls->servers = &in_port[p]; | |
| a++; | |
| } | |
| } | |
| /* DEBUG STUFF */ | |
| in_port = in_ports.elts; | |
| for (p = 0; p < in_ports.nelts; p++) { | |
| ngx_log_debug(cf->log, "port: %d %08x" _ in_port[p].port _ &in_port[p]); | |
| in_addr = in_port[p].addrs.elts; | |
| for (a = 0; a < in_port[p].addrs.nelts; a++) { | |
| char ip[20]; | |
| ngx_inet_ntop(AF_INET, (char *) &in_addr[a].addr, ip, 20); | |
| ngx_log_debug(cf->log, "%s %08x" _ ip _ in_addr[a].core_srv_conf); | |
| s_name = in_addr[a].names.elts; | |
| for (n = 0; n < in_addr[a].names.nelts; n++) { | |
| ngx_log_debug(cf->log, "%s %08x" _ s_name[n].name.data _ | |
| s_name[n].core_srv_conf); | |
| } | |
| } | |
| } | |
| /**/ | |
| return NGX_CONF_OK; | |
| } |