| /* | |
| * Copyright (C) Roman Arutyunyan | |
| * Copyright (C) Nginx, Inc. | |
| */ | |
| #include <ngx_config.h> | |
| #include <ngx_core.h> | |
| #include <ngx_stream.h> | |
| static ngx_int_t ngx_stream_core_preconfiguration(ngx_conf_t *cf); | |
| static void *ngx_stream_core_create_main_conf(ngx_conf_t *cf); | |
| static char *ngx_stream_core_init_main_conf(ngx_conf_t *cf, void *conf); | |
| static void *ngx_stream_core_create_srv_conf(ngx_conf_t *cf); | |
| static char *ngx_stream_core_merge_srv_conf(ngx_conf_t *cf, void *parent, | |
| void *child); | |
| static char *ngx_stream_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd, | |
| void *conf); | |
| static char *ngx_stream_core_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
| void *conf); | |
| static char *ngx_stream_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, | |
| void *conf); | |
| static char *ngx_stream_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd, | |
| void *conf); | |
| static ngx_command_t ngx_stream_core_commands[] = { | |
| { ngx_string("variables_hash_max_size"), | |
| NGX_STREAM_MAIN_CONF|NGX_CONF_TAKE1, | |
| ngx_conf_set_num_slot, | |
| NGX_STREAM_MAIN_CONF_OFFSET, | |
| offsetof(ngx_stream_core_main_conf_t, variables_hash_max_size), | |
| NULL }, | |
| { ngx_string("variables_hash_bucket_size"), | |
| NGX_STREAM_MAIN_CONF|NGX_CONF_TAKE1, | |
| ngx_conf_set_num_slot, | |
| NGX_STREAM_MAIN_CONF_OFFSET, | |
| offsetof(ngx_stream_core_main_conf_t, variables_hash_bucket_size), | |
| NULL }, | |
| { ngx_string("server"), | |
| NGX_STREAM_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, | |
| ngx_stream_core_server, | |
| 0, | |
| 0, | |
| NULL }, | |
| { ngx_string("listen"), | |
| NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
| ngx_stream_core_listen, | |
| NGX_STREAM_SRV_CONF_OFFSET, | |
| 0, | |
| NULL }, | |
| { ngx_string("error_log"), | |
| NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
| ngx_stream_core_error_log, | |
| NGX_STREAM_SRV_CONF_OFFSET, | |
| 0, | |
| NULL }, | |
| { ngx_string("resolver"), | |
| NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
| ngx_stream_core_resolver, | |
| NGX_STREAM_SRV_CONF_OFFSET, | |
| 0, | |
| NULL }, | |
| { ngx_string("resolver_timeout"), | |
| NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| ngx_conf_set_msec_slot, | |
| NGX_STREAM_SRV_CONF_OFFSET, | |
| offsetof(ngx_stream_core_srv_conf_t, resolver_timeout), | |
| NULL }, | |
| { ngx_string("proxy_protocol_timeout"), | |
| NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| ngx_conf_set_msec_slot, | |
| NGX_STREAM_SRV_CONF_OFFSET, | |
| offsetof(ngx_stream_core_srv_conf_t, proxy_protocol_timeout), | |
| NULL }, | |
| { ngx_string("tcp_nodelay"), | |
| NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, | |
| ngx_conf_set_flag_slot, | |
| NGX_STREAM_SRV_CONF_OFFSET, | |
| offsetof(ngx_stream_core_srv_conf_t, tcp_nodelay), | |
| NULL }, | |
| { ngx_string("preread_buffer_size"), | |
| NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| ngx_conf_set_size_slot, | |
| NGX_STREAM_SRV_CONF_OFFSET, | |
| offsetof(ngx_stream_core_srv_conf_t, preread_buffer_size), | |
| NULL }, | |
| { ngx_string("preread_timeout"), | |
| NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, | |
| ngx_conf_set_msec_slot, | |
| NGX_STREAM_SRV_CONF_OFFSET, | |
| offsetof(ngx_stream_core_srv_conf_t, preread_timeout), | |
| NULL }, | |
| ngx_null_command | |
| }; | |
| static ngx_stream_module_t ngx_stream_core_module_ctx = { | |
| ngx_stream_core_preconfiguration, /* preconfiguration */ | |
| NULL, /* postconfiguration */ | |
| ngx_stream_core_create_main_conf, /* create main configuration */ | |
| ngx_stream_core_init_main_conf, /* init main configuration */ | |
| ngx_stream_core_create_srv_conf, /* create server configuration */ | |
| ngx_stream_core_merge_srv_conf /* merge server configuration */ | |
| }; | |
| ngx_module_t ngx_stream_core_module = { | |
| NGX_MODULE_V1, | |
| &ngx_stream_core_module_ctx, /* module context */ | |
| ngx_stream_core_commands, /* module directives */ | |
| NGX_STREAM_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 | |
| }; | |
| void | |
| ngx_stream_core_run_phases(ngx_stream_session_t *s) | |
| { | |
| ngx_int_t rc; | |
| ngx_stream_phase_handler_t *ph; | |
| ngx_stream_core_main_conf_t *cmcf; | |
| cmcf = ngx_stream_get_module_main_conf(s, ngx_stream_core_module); | |
| ph = cmcf->phase_engine.handlers; | |
| while (ph[s->phase_handler].checker) { | |
| rc = ph[s->phase_handler].checker(s, &ph[s->phase_handler]); | |
| if (rc == NGX_OK) { | |
| return; | |
| } | |
| } | |
| } | |
| ngx_int_t | |
| ngx_stream_core_generic_phase(ngx_stream_session_t *s, | |
| ngx_stream_phase_handler_t *ph) | |
| { | |
| ngx_int_t rc; | |
| /* | |
| * generic phase checker, | |
| * used by all phases, except for preread and content | |
| */ | |
| ngx_log_debug1(NGX_LOG_DEBUG_STREAM, s->connection->log, 0, | |
| "generic phase: %ui", s->phase_handler); | |
| rc = ph->handler(s); | |
| if (rc == NGX_OK) { | |
| s->phase_handler = ph->next; | |
| return NGX_AGAIN; | |
| } | |
| if (rc == NGX_DECLINED) { | |
| s->phase_handler++; | |
| return NGX_AGAIN; | |
| } | |
| if (rc == NGX_AGAIN || rc == NGX_DONE) { | |
| return NGX_OK; | |
| } | |
| if (rc == NGX_ERROR) { | |
| rc = NGX_STREAM_INTERNAL_SERVER_ERROR; | |
| } | |
| ngx_stream_finalize_session(s, rc); | |
| return NGX_OK; | |
| } | |
| ngx_int_t | |
| ngx_stream_core_preread_phase(ngx_stream_session_t *s, | |
| ngx_stream_phase_handler_t *ph) | |
| { | |
| size_t size; | |
| ssize_t n; | |
| ngx_int_t rc; | |
| ngx_connection_t *c; | |
| ngx_stream_core_srv_conf_t *cscf; | |
| c = s->connection; | |
| c->log->action = "prereading client data"; | |
| cscf = ngx_stream_get_module_srv_conf(s, ngx_stream_core_module); | |
| if (c->read->timedout) { | |
| rc = NGX_STREAM_OK; | |
| } else if (c->read->timer_set) { | |
| rc = NGX_AGAIN; | |
| } else { | |
| rc = ph->handler(s); | |
| } | |
| while (rc == NGX_AGAIN) { | |
| if (c->buffer == NULL) { | |
| c->buffer = ngx_create_temp_buf(c->pool, cscf->preread_buffer_size); | |
| if (c->buffer == NULL) { | |
| rc = NGX_ERROR; | |
| break; | |
| } | |
| } | |
| size = c->buffer->end - c->buffer->last; | |
| if (size == 0) { | |
| ngx_log_error(NGX_LOG_ERR, c->log, 0, "preread buffer full"); | |
| rc = NGX_STREAM_BAD_REQUEST; | |
| break; | |
| } | |
| if (c->read->eof) { | |
| rc = NGX_STREAM_OK; | |
| break; | |
| } | |
| if (!c->read->ready) { | |
| if (ngx_handle_read_event(c->read, 0) != NGX_OK) { | |
| rc = NGX_ERROR; | |
| break; | |
| } | |
| if (!c->read->timer_set) { | |
| ngx_add_timer(c->read, cscf->preread_timeout); | |
| } | |
| c->read->handler = ngx_stream_session_handler; | |
| return NGX_OK; | |
| } | |
| n = c->recv(c, c->buffer->last, size); | |
| if (n == NGX_ERROR) { | |
| rc = NGX_STREAM_OK; | |
| break; | |
| } | |
| if (n > 0) { | |
| c->buffer->last += n; | |
| } | |
| rc = ph->handler(s); | |
| } | |
| if (c->read->timer_set) { | |
| ngx_del_timer(c->read); | |
| } | |
| if (rc == NGX_OK) { | |
| s->phase_handler = ph->next; | |
| return NGX_AGAIN; | |
| } | |
| if (rc == NGX_DECLINED) { | |
| s->phase_handler++; | |
| return NGX_AGAIN; | |
| } | |
| if (rc == NGX_DONE) { | |
| return NGX_OK; | |
| } | |
| if (rc == NGX_ERROR) { | |
| rc = NGX_STREAM_INTERNAL_SERVER_ERROR; | |
| } | |
| ngx_stream_finalize_session(s, rc); | |
| return NGX_OK; | |
| } | |
| ngx_int_t | |
| ngx_stream_core_content_phase(ngx_stream_session_t *s, | |
| ngx_stream_phase_handler_t *ph) | |
| { | |
| ngx_connection_t *c; | |
| ngx_stream_core_srv_conf_t *cscf; | |
| c = s->connection; | |
| c->log->action = NULL; | |
| cscf = ngx_stream_get_module_srv_conf(s, ngx_stream_core_module); | |
| if (c->type == SOCK_STREAM | |
| && cscf->tcp_nodelay | |
| && ngx_tcp_nodelay(c) != NGX_OK) | |
| { | |
| ngx_stream_finalize_session(s, NGX_STREAM_INTERNAL_SERVER_ERROR); | |
| return NGX_OK; | |
| } | |
| cscf->handler(s); | |
| return NGX_OK; | |
| } | |
| static ngx_int_t | |
| ngx_stream_core_preconfiguration(ngx_conf_t *cf) | |
| { | |
| return ngx_stream_variables_add_core_vars(cf); | |
| } | |
| static void * | |
| ngx_stream_core_create_main_conf(ngx_conf_t *cf) | |
| { | |
| ngx_stream_core_main_conf_t *cmcf; | |
| cmcf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_core_main_conf_t)); | |
| if (cmcf == NULL) { | |
| return NULL; | |
| } | |
| if (ngx_array_init(&cmcf->servers, cf->pool, 4, | |
| sizeof(ngx_stream_core_srv_conf_t *)) | |
| != NGX_OK) | |
| { | |
| return NULL; | |
| } | |
| if (ngx_array_init(&cmcf->listen, cf->pool, 4, sizeof(ngx_stream_listen_t)) | |
| != NGX_OK) | |
| { | |
| return NULL; | |
| } | |
| cmcf->variables_hash_max_size = NGX_CONF_UNSET_UINT; | |
| cmcf->variables_hash_bucket_size = NGX_CONF_UNSET_UINT; | |
| return cmcf; | |
| } | |
| static char * | |
| ngx_stream_core_init_main_conf(ngx_conf_t *cf, void *conf) | |
| { | |
| ngx_stream_core_main_conf_t *cmcf = conf; | |
| ngx_conf_init_uint_value(cmcf->variables_hash_max_size, 1024); | |
| ngx_conf_init_uint_value(cmcf->variables_hash_bucket_size, 64); | |
| cmcf->variables_hash_bucket_size = | |
| ngx_align(cmcf->variables_hash_bucket_size, ngx_cacheline_size); | |
| if (cmcf->ncaptures) { | |
| cmcf->ncaptures = (cmcf->ncaptures + 1) * 3; | |
| } | |
| return NGX_CONF_OK; | |
| } | |
| static void * | |
| ngx_stream_core_create_srv_conf(ngx_conf_t *cf) | |
| { | |
| ngx_stream_core_srv_conf_t *cscf; | |
| cscf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_core_srv_conf_t)); | |
| if (cscf == NULL) { | |
| return NULL; | |
| } | |
| /* | |
| * set by ngx_pcalloc(): | |
| * | |
| * cscf->handler = NULL; | |
| * cscf->error_log = NULL; | |
| */ | |
| cscf->file_name = cf->conf_file->file.name.data; | |
| cscf->line = cf->conf_file->line; | |
| cscf->resolver_timeout = NGX_CONF_UNSET_MSEC; | |
| cscf->proxy_protocol_timeout = NGX_CONF_UNSET_MSEC; | |
| cscf->tcp_nodelay = NGX_CONF_UNSET; | |
| cscf->preread_buffer_size = NGX_CONF_UNSET_SIZE; | |
| cscf->preread_timeout = NGX_CONF_UNSET_MSEC; | |
| return cscf; | |
| } | |
| static char * | |
| ngx_stream_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
| { | |
| ngx_stream_core_srv_conf_t *prev = parent; | |
| ngx_stream_core_srv_conf_t *conf = child; | |
| ngx_conf_merge_msec_value(conf->resolver_timeout, | |
| prev->resolver_timeout, 30000); | |
| if (conf->resolver == NULL) { | |
| if (prev->resolver == NULL) { | |
| /* | |
| * create dummy resolver in stream {} context | |
| * to inherit it in all servers | |
| */ | |
| prev->resolver = ngx_resolver_create(cf, NULL, 0); | |
| if (prev->resolver == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| } | |
| conf->resolver = prev->resolver; | |
| } | |
| if (conf->handler == NULL) { | |
| ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| "no handler for server in %s:%ui", | |
| conf->file_name, conf->line); | |
| return NGX_CONF_ERROR; | |
| } | |
| if (conf->error_log == NULL) { | |
| if (prev->error_log) { | |
| conf->error_log = prev->error_log; | |
| } else { | |
| conf->error_log = &cf->cycle->new_log; | |
| } | |
| } | |
| ngx_conf_merge_msec_value(conf->proxy_protocol_timeout, | |
| prev->proxy_protocol_timeout, 30000); | |
| ngx_conf_merge_value(conf->tcp_nodelay, prev->tcp_nodelay, 1); | |
| ngx_conf_merge_size_value(conf->preread_buffer_size, | |
| prev->preread_buffer_size, 16384); | |
| ngx_conf_merge_msec_value(conf->preread_timeout, | |
| prev->preread_timeout, 30000); | |
| return NGX_CONF_OK; | |
| } | |
| static char * | |
| ngx_stream_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| { | |
| ngx_stream_core_srv_conf_t *cscf = conf; | |
| return ngx_log_set_log(cf, &cscf->error_log); | |
| } | |
| static char * | |
| ngx_stream_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| { | |
| char *rv; | |
| void *mconf; | |
| ngx_uint_t m; | |
| ngx_conf_t pcf; | |
| ngx_stream_module_t *module; | |
| ngx_stream_conf_ctx_t *ctx, *stream_ctx; | |
| ngx_stream_core_srv_conf_t *cscf, **cscfp; | |
| ngx_stream_core_main_conf_t *cmcf; | |
| ctx = ngx_pcalloc(cf->pool, sizeof(ngx_stream_conf_ctx_t)); | |
| if (ctx == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| stream_ctx = cf->ctx; | |
| ctx->main_conf = stream_ctx->main_conf; | |
| /* the server{}'s srv_conf */ | |
| ctx->srv_conf = ngx_pcalloc(cf->pool, | |
| sizeof(void *) * ngx_stream_max_module); | |
| if (ctx->srv_conf == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| for (m = 0; cf->cycle->modules[m]; m++) { | |
| if (cf->cycle->modules[m]->type != NGX_STREAM_MODULE) { | |
| continue; | |
| } | |
| module = cf->cycle->modules[m]->ctx; | |
| if (module->create_srv_conf) { | |
| mconf = module->create_srv_conf(cf); | |
| if (mconf == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| ctx->srv_conf[cf->cycle->modules[m]->ctx_index] = mconf; | |
| } | |
| } | |
| /* the server configuration context */ | |
| cscf = ctx->srv_conf[ngx_stream_core_module.ctx_index]; | |
| cscf->ctx = ctx; | |
| cmcf = ctx->main_conf[ngx_stream_core_module.ctx_index]; | |
| cscfp = ngx_array_push(&cmcf->servers); | |
| if (cscfp == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| *cscfp = cscf; | |
| /* parse inside server{} */ | |
| pcf = *cf; | |
| cf->ctx = ctx; | |
| cf->cmd_type = NGX_STREAM_SRV_CONF; | |
| rv = ngx_conf_parse(cf, NULL); | |
| *cf = pcf; | |
| if (rv == NGX_CONF_OK && !cscf->listen) { | |
| ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| "no \"listen\" is defined for server in %s:%ui", | |
| cscf->file_name, cscf->line); | |
| return NGX_CONF_ERROR; | |
| } | |
| return rv; | |
| } | |
| static char * | |
| ngx_stream_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| { | |
| ngx_stream_core_srv_conf_t *cscf = conf; | |
| ngx_str_t *value, size; | |
| ngx_url_t u; | |
| ngx_uint_t i, backlog; | |
| ngx_stream_listen_t *ls, *als; | |
| ngx_stream_core_main_conf_t *cmcf; | |
| cscf->listen = 1; | |
| value = cf->args->elts; | |
| ngx_memzero(&u, sizeof(ngx_url_t)); | |
| u.url = value[1]; | |
| u.listen = 1; | |
| if (ngx_parse_url(cf->pool, &u) != NGX_OK) { | |
| if (u.err) { | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "%s in \"%V\" of the \"listen\" directive", | |
| u.err, &u.url); | |
| } | |
| return NGX_CONF_ERROR; | |
| } | |
| cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module); | |
| ls = ngx_array_push(&cmcf->listen); | |
| if (ls == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| ngx_memzero(ls, sizeof(ngx_stream_listen_t)); | |
| ngx_memcpy(&ls->sockaddr.sockaddr, &u.sockaddr, u.socklen); | |
| ls->socklen = u.socklen; | |
| ls->backlog = NGX_LISTEN_BACKLOG; | |
| ls->rcvbuf = -1; | |
| ls->sndbuf = -1; | |
| ls->type = SOCK_STREAM; | |
| ls->wildcard = u.wildcard; | |
| ls->ctx = cf->ctx; | |
| #if (NGX_HAVE_INET6) | |
| ls->ipv6only = 1; | |
| #endif | |
| backlog = 0; | |
| for (i = 2; i < cf->args->nelts; i++) { | |
| #if !(NGX_WIN32) | |
| if (ngx_strcmp(value[i].data, "udp") == 0) { | |
| ls->type = SOCK_DGRAM; | |
| continue; | |
| } | |
| #endif | |
| if (ngx_strcmp(value[i].data, "bind") == 0) { | |
| ls->bind = 1; | |
| continue; | |
| } | |
| if (ngx_strncmp(value[i].data, "backlog=", 8) == 0) { | |
| ls->backlog = ngx_atoi(value[i].data + 8, value[i].len - 8); | |
| ls->bind = 1; | |
| if (ls->backlog == NGX_ERROR || ls->backlog == 0) { | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "invalid backlog \"%V\"", &value[i]); | |
| return NGX_CONF_ERROR; | |
| } | |
| backlog = 1; | |
| continue; | |
| } | |
| if (ngx_strncmp(value[i].data, "rcvbuf=", 7) == 0) { | |
| size.len = value[i].len - 7; | |
| size.data = value[i].data + 7; | |
| ls->rcvbuf = ngx_parse_size(&size); | |
| ls->bind = 1; | |
| if (ls->rcvbuf == NGX_ERROR) { | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "invalid rcvbuf \"%V\"", &value[i]); | |
| return NGX_CONF_ERROR; | |
| } | |
| continue; | |
| } | |
| if (ngx_strncmp(value[i].data, "sndbuf=", 7) == 0) { | |
| size.len = value[i].len - 7; | |
| size.data = value[i].data + 7; | |
| ls->sndbuf = ngx_parse_size(&size); | |
| ls->bind = 1; | |
| if (ls->sndbuf == NGX_ERROR) { | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "invalid sndbuf \"%V\"", &value[i]); | |
| return NGX_CONF_ERROR; | |
| } | |
| continue; | |
| } | |
| if (ngx_strncmp(value[i].data, "ipv6only=o", 10) == 0) { | |
| #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) | |
| size_t len; | |
| u_char buf[NGX_SOCKADDR_STRLEN]; | |
| if (ls->sockaddr.sockaddr.sa_family == AF_INET6) { | |
| if (ngx_strcmp(&value[i].data[10], "n") == 0) { | |
| ls->ipv6only = 1; | |
| } else if (ngx_strcmp(&value[i].data[10], "ff") == 0) { | |
| ls->ipv6only = 0; | |
| } else { | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "invalid ipv6only flags \"%s\"", | |
| &value[i].data[9]); | |
| return NGX_CONF_ERROR; | |
| } | |
| ls->bind = 1; | |
| } else { | |
| len = ngx_sock_ntop(&ls->sockaddr.sockaddr, ls->socklen, buf, | |
| NGX_SOCKADDR_STRLEN, 1); | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "ipv6only is not supported " | |
| "on addr \"%*s\", ignored", len, buf); | |
| } | |
| continue; | |
| #else | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "bind ipv6only is not supported " | |
| "on this platform"); | |
| return NGX_CONF_ERROR; | |
| #endif | |
| } | |
| if (ngx_strcmp(value[i].data, "reuseport") == 0) { | |
| #if (NGX_HAVE_REUSEPORT) | |
| ls->reuseport = 1; | |
| ls->bind = 1; | |
| #else | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "reuseport is not supported " | |
| "on this platform, ignored"); | |
| #endif | |
| continue; | |
| } | |
| if (ngx_strcmp(value[i].data, "ssl") == 0) { | |
| #if (NGX_STREAM_SSL) | |
| ls->ssl = 1; | |
| continue; | |
| #else | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "the \"ssl\" parameter requires " | |
| "ngx_stream_ssl_module"); | |
| return NGX_CONF_ERROR; | |
| #endif | |
| } | |
| if (ngx_strncmp(value[i].data, "so_keepalive=", 13) == 0) { | |
| if (ngx_strcmp(&value[i].data[13], "on") == 0) { | |
| ls->so_keepalive = 1; | |
| } else if (ngx_strcmp(&value[i].data[13], "off") == 0) { | |
| ls->so_keepalive = 2; | |
| } else { | |
| #if (NGX_HAVE_KEEPALIVE_TUNABLE) | |
| u_char *p, *end; | |
| ngx_str_t s; | |
| end = value[i].data + value[i].len; | |
| s.data = value[i].data + 13; | |
| p = ngx_strlchr(s.data, end, ':'); | |
| if (p == NULL) { | |
| p = end; | |
| } | |
| if (p > s.data) { | |
| s.len = p - s.data; | |
| ls->tcp_keepidle = ngx_parse_time(&s, 1); | |
| if (ls->tcp_keepidle == (time_t) NGX_ERROR) { | |
| goto invalid_so_keepalive; | |
| } | |
| } | |
| s.data = (p < end) ? (p + 1) : end; | |
| p = ngx_strlchr(s.data, end, ':'); | |
| if (p == NULL) { | |
| p = end; | |
| } | |
| if (p > s.data) { | |
| s.len = p - s.data; | |
| ls->tcp_keepintvl = ngx_parse_time(&s, 1); | |
| if (ls->tcp_keepintvl == (time_t) NGX_ERROR) { | |
| goto invalid_so_keepalive; | |
| } | |
| } | |
| s.data = (p < end) ? (p + 1) : end; | |
| if (s.data < end) { | |
| s.len = end - s.data; | |
| ls->tcp_keepcnt = ngx_atoi(s.data, s.len); | |
| if (ls->tcp_keepcnt == NGX_ERROR) { | |
| goto invalid_so_keepalive; | |
| } | |
| } | |
| if (ls->tcp_keepidle == 0 && ls->tcp_keepintvl == 0 | |
| && ls->tcp_keepcnt == 0) | |
| { | |
| goto invalid_so_keepalive; | |
| } | |
| ls->so_keepalive = 1; | |
| #else | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "the \"so_keepalive\" parameter accepts " | |
| "only \"on\" or \"off\" on this platform"); | |
| return NGX_CONF_ERROR; | |
| #endif | |
| } | |
| ls->bind = 1; | |
| continue; | |
| #if (NGX_HAVE_KEEPALIVE_TUNABLE) | |
| invalid_so_keepalive: | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "invalid so_keepalive value: \"%s\"", | |
| &value[i].data[13]); | |
| return NGX_CONF_ERROR; | |
| #endif | |
| } | |
| if (ngx_strcmp(value[i].data, "proxy_protocol") == 0) { | |
| ls->proxy_protocol = 1; | |
| continue; | |
| } | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "the invalid \"%V\" parameter", &value[i]); | |
| return NGX_CONF_ERROR; | |
| } | |
| if (ls->type == SOCK_DGRAM) { | |
| if (backlog) { | |
| return "\"backlog\" parameter is incompatible with \"udp\""; | |
| } | |
| #if (NGX_STREAM_SSL) | |
| if (ls->ssl) { | |
| return "\"ssl\" parameter is incompatible with \"udp\""; | |
| } | |
| #endif | |
| if (ls->so_keepalive) { | |
| return "\"so_keepalive\" parameter is incompatible with \"udp\""; | |
| } | |
| if (ls->proxy_protocol) { | |
| return "\"proxy_protocol\" parameter is incompatible with \"udp\""; | |
| } | |
| } | |
| als = cmcf->listen.elts; | |
| for (i = 0; i < cmcf->listen.nelts - 1; i++) { | |
| if (ls->type != als[i].type) { | |
| continue; | |
| } | |
| if (ngx_cmp_sockaddr(&als[i].sockaddr.sockaddr, als[i].socklen, | |
| &ls->sockaddr.sockaddr, ls->socklen, 1) | |
| != NGX_OK) | |
| { | |
| continue; | |
| } | |
| ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| "duplicate \"%V\" address and port pair", &u.url); | |
| return NGX_CONF_ERROR; | |
| } | |
| return NGX_CONF_OK; | |
| } | |
| static char * | |
| ngx_stream_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| { | |
| ngx_stream_core_srv_conf_t *cscf = conf; | |
| ngx_str_t *value; | |
| if (cscf->resolver) { | |
| return "is duplicate"; | |
| } | |
| value = cf->args->elts; | |
| cscf->resolver = ngx_resolver_create(cf, &value[1], cf->args->nelts - 1); | |
| if (cscf->resolver == NULL) { | |
| return NGX_CONF_ERROR; | |
| } | |
| return NGX_CONF_OK; | |
| } |