diff options
author | anonimal <anonimal@i2pmail.org> | 2017-06-28 21:07:24 +0000 |
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committer | anonimal <anonimal@i2pmail.org> | 2018-03-18 15:52:19 +0000 |
commit | 84c5a9ba481d7a33cc0fd0ca43867b61d127d907 (patch) | |
tree | f05d3d3f107da02005b4a61f0e5074c113a7165c /external/unbound/daemon/daemon.c | |
parent | Merge pull request #3416 (diff) | |
download | monero-84c5a9ba481d7a33cc0fd0ca43867b61d127d907.tar.xz |
Unbound: remove unbound from in-tree source
We'll instead use a git submodule to pull from our unbound repo.
Diffstat (limited to 'external/unbound/daemon/daemon.c')
-rw-r--r-- | external/unbound/daemon/daemon.c | 795 |
1 files changed, 0 insertions, 795 deletions
diff --git a/external/unbound/daemon/daemon.c b/external/unbound/daemon/daemon.c deleted file mode 100644 index dad9f86b3..000000000 --- a/external/unbound/daemon/daemon.c +++ /dev/null @@ -1,795 +0,0 @@ -/* - * daemon/daemon.c - collection of workers that handles requests. - * - * Copyright (c) 2007, NLnet Labs. All rights reserved. - * - * This software is open source. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * Neither the name of the NLNET LABS nor the names of its contributors may - * be used to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** - * \file - * - * The daemon consists of global settings and a number of workers. - */ - -#include "config.h" -#ifdef HAVE_OPENSSL_ERR_H -#include <openssl/err.h> -#endif - -#ifdef HAVE_OPENSSL_RAND_H -#include <openssl/rand.h> -#endif - -#ifdef HAVE_OPENSSL_CONF_H -#include <openssl/conf.h> -#endif - -#ifdef HAVE_OPENSSL_ENGINE_H -#include <openssl/engine.h> -#endif - -#ifdef HAVE_TIME_H -#include <time.h> -#endif -#include <sys/time.h> - -#ifdef HAVE_NSS -/* nss3 */ -#include "nss.h" -#endif - -#include "daemon/daemon.h" -#include "daemon/worker.h" -#include "daemon/remote.h" -#include "daemon/acl_list.h" -#include "util/log.h" -#include "util/config_file.h" -#include "util/data/msgreply.h" -#include "util/shm_side/shm_main.h" -#include "util/storage/lookup3.h" -#include "util/storage/slabhash.h" -#include "services/listen_dnsport.h" -#include "services/cache/rrset.h" -#include "services/cache/infra.h" -#include "services/localzone.h" -#include "services/view.h" -#include "services/modstack.h" -#include "util/module.h" -#include "util/random.h" -#include "util/tube.h" -#include "util/net_help.h" -#include "sldns/keyraw.h" -#include "respip/respip.h" -#include <signal.h> - -#ifdef HAVE_SYSTEMD -#include <systemd/sd-daemon.h> -#endif - -/** How many quit requests happened. */ -static int sig_record_quit = 0; -/** How many reload requests happened. */ -static int sig_record_reload = 0; - -#if HAVE_DECL_SSL_COMP_GET_COMPRESSION_METHODS -/** cleaner ssl memory freeup */ -static void* comp_meth = NULL; -#endif -#ifdef LEX_HAS_YYLEX_DESTROY -/** remove buffers for parsing and init */ -int ub_c_lex_destroy(void); -#endif - -/** used when no other sighandling happens, so we don't die - * when multiple signals in quick succession are sent to us. - * @param sig: signal number. - * @return signal handler return type (void or int). - */ -static RETSIGTYPE record_sigh(int sig) -{ -#ifdef LIBEVENT_SIGNAL_PROBLEM - /* cannot log, verbose here because locks may be held */ - /* quit on signal, no cleanup and statistics, - because installed libevent version is not threadsafe */ - exit(0); -#endif - switch(sig) - { - case SIGTERM: -#ifdef SIGQUIT - case SIGQUIT: -#endif -#ifdef SIGBREAK - case SIGBREAK: -#endif - case SIGINT: - sig_record_quit++; - break; -#ifdef SIGHUP - case SIGHUP: - sig_record_reload++; - break; -#endif -#ifdef SIGPIPE - case SIGPIPE: - break; -#endif - default: - /* ignoring signal */ - break; - } -} - -/** - * Signal handling during the time when netevent is disabled. - * Stores signals to replay later. - */ -static void -signal_handling_record(void) -{ - if( signal(SIGTERM, record_sigh) == SIG_ERR || -#ifdef SIGQUIT - signal(SIGQUIT, record_sigh) == SIG_ERR || -#endif -#ifdef SIGBREAK - signal(SIGBREAK, record_sigh) == SIG_ERR || -#endif -#ifdef SIGHUP - signal(SIGHUP, record_sigh) == SIG_ERR || -#endif -#ifdef SIGPIPE - signal(SIGPIPE, SIG_IGN) == SIG_ERR || -#endif - signal(SIGINT, record_sigh) == SIG_ERR - ) - log_err("install sighandler: %s", strerror(errno)); -} - -/** - * Replay old signals. - * @param wrk: worker that handles signals. - */ -static void -signal_handling_playback(struct worker* wrk) -{ -#ifdef SIGHUP - if(sig_record_reload) { -# ifdef HAVE_SYSTEMD - sd_notify(0, "RELOADING=1"); -# endif - worker_sighandler(SIGHUP, wrk); -# ifdef HAVE_SYSTEMD - sd_notify(0, "READY=1"); -# endif - } -#endif - if(sig_record_quit) - worker_sighandler(SIGTERM, wrk); - sig_record_quit = 0; - sig_record_reload = 0; -} - -struct daemon* -daemon_init(void) -{ - struct daemon* daemon = (struct daemon*)calloc(1, - sizeof(struct daemon)); -#ifdef USE_WINSOCK - int r; - WSADATA wsa_data; -#endif - if(!daemon) - return NULL; -#ifdef USE_WINSOCK - r = WSAStartup(MAKEWORD(2,2), &wsa_data); - if(r != 0) { - fatal_exit("could not init winsock. WSAStartup: %s", - wsa_strerror(r)); - } -#endif /* USE_WINSOCK */ - signal_handling_record(); - checklock_start(); -#ifdef HAVE_SSL -# ifdef HAVE_ERR_LOAD_CRYPTO_STRINGS - ERR_load_crypto_strings(); -# endif - ERR_load_SSL_strings(); -# ifdef USE_GOST - (void)sldns_key_EVP_load_gost_id(); -# endif -# if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_CRYPTO) - OpenSSL_add_all_algorithms(); -# else - OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS - | OPENSSL_INIT_ADD_ALL_DIGESTS - | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); -# endif -# if HAVE_DECL_SSL_COMP_GET_COMPRESSION_METHODS - /* grab the COMP method ptr because openssl leaks it */ - comp_meth = (void*)SSL_COMP_get_compression_methods(); -# endif -# if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL) - (void)SSL_library_init(); -# else - (void)OPENSSL_init_ssl(0, NULL); -# endif -# if defined(HAVE_SSL) && defined(OPENSSL_THREADS) && !defined(THREADS_DISABLED) - if(!ub_openssl_lock_init()) - fatal_exit("could not init openssl locks"); -# endif -#elif defined(HAVE_NSS) - if(NSS_NoDB_Init(NULL) != SECSuccess) - fatal_exit("could not init NSS"); -#endif /* HAVE_SSL or HAVE_NSS */ -#ifdef HAVE_TZSET - /* init timezone info while we are not chrooted yet */ - tzset(); -#endif - /* open /dev/random if needed */ - ub_systemseed((unsigned)time(NULL)^(unsigned)getpid()^0xe67); - daemon->need_to_exit = 0; - modstack_init(&daemon->mods); - if(!(daemon->env = (struct module_env*)calloc(1, - sizeof(*daemon->env)))) { - free(daemon); - return NULL; - } - /* init edns_known_options */ - if(!edns_known_options_init(daemon->env)) { - free(daemon->env); - free(daemon); - return NULL; - } - alloc_init(&daemon->superalloc, NULL, 0); - daemon->acl = acl_list_create(); - if(!daemon->acl) { - edns_known_options_delete(daemon->env); - free(daemon->env); - free(daemon); - return NULL; - } - if(gettimeofday(&daemon->time_boot, NULL) < 0) - log_err("gettimeofday: %s", strerror(errno)); - daemon->time_last_stat = daemon->time_boot; - return daemon; -} - -int -daemon_open_shared_ports(struct daemon* daemon) -{ - log_assert(daemon); - if(daemon->cfg->port != daemon->listening_port) { - size_t i; - struct listen_port* p0; - daemon->reuseport = 0; - /* free and close old ports */ - if(daemon->ports != NULL) { - for(i=0; i<daemon->num_ports; i++) - listening_ports_free(daemon->ports[i]); - free(daemon->ports); - daemon->ports = NULL; - } - /* see if we want to reuseport */ -#ifdef SO_REUSEPORT - if(daemon->cfg->so_reuseport && daemon->cfg->num_threads > 0) - daemon->reuseport = 1; -#endif - /* try to use reuseport */ - p0 = listening_ports_open(daemon->cfg, &daemon->reuseport); - if(!p0) { - listening_ports_free(p0); - return 0; - } - if(daemon->reuseport) { - /* reuseport was successful, allocate for it */ - daemon->num_ports = (size_t)daemon->cfg->num_threads; - } else { - /* do the normal, singleportslist thing, - * reuseport not enabled or did not work */ - daemon->num_ports = 1; - } - if(!(daemon->ports = (struct listen_port**)calloc( - daemon->num_ports, sizeof(*daemon->ports)))) { - listening_ports_free(p0); - return 0; - } - daemon->ports[0] = p0; - if(daemon->reuseport) { - /* continue to use reuseport */ - for(i=1; i<daemon->num_ports; i++) { - if(!(daemon->ports[i]= - listening_ports_open(daemon->cfg, - &daemon->reuseport)) - || !daemon->reuseport ) { - for(i=0; i<daemon->num_ports; i++) - listening_ports_free(daemon->ports[i]); - free(daemon->ports); - daemon->ports = NULL; - return 0; - } - } - } - daemon->listening_port = daemon->cfg->port; - } - if(!daemon->cfg->remote_control_enable && daemon->rc_port) { - listening_ports_free(daemon->rc_ports); - daemon->rc_ports = NULL; - daemon->rc_port = 0; - } - if(daemon->cfg->remote_control_enable && - daemon->cfg->control_port != daemon->rc_port) { - listening_ports_free(daemon->rc_ports); - if(!(daemon->rc_ports=daemon_remote_open_ports(daemon->cfg))) - return 0; - daemon->rc_port = daemon->cfg->control_port; - } - return 1; -} - -/** - * Setup modules. setup module stack. - * @param daemon: the daemon - */ -static void daemon_setup_modules(struct daemon* daemon) -{ - daemon->env->cfg = daemon->cfg; - daemon->env->alloc = &daemon->superalloc; - daemon->env->worker = NULL; - daemon->env->need_to_validate = 0; /* set by module init below */ - if(!modstack_setup(&daemon->mods, daemon->cfg->module_conf, - daemon->env)) { - fatal_exit("failed to setup modules"); - } - log_edns_known_options(VERB_ALGO, daemon->env); -} - -/** - * Obtain allowed port numbers, concatenate the list, and shuffle them - * (ready to be handed out to threads). - * @param daemon: the daemon. Uses rand and cfg. - * @param shufport: the portlist output. - * @return number of ports available. - */ -static int daemon_get_shufport(struct daemon* daemon, int* shufport) -{ - int i, n, k, temp; - int avail = 0; - for(i=0; i<65536; i++) { - if(daemon->cfg->outgoing_avail_ports[i]) { - shufport[avail++] = daemon->cfg-> - outgoing_avail_ports[i]; - } - } - if(avail == 0) - fatal_exit("no ports are permitted for UDP, add " - "with outgoing-port-permit"); - /* Knuth shuffle */ - n = avail; - while(--n > 0) { - k = ub_random_max(daemon->rand, n+1); /* 0<= k<= n */ - temp = shufport[k]; - shufport[k] = shufport[n]; - shufport[n] = temp; - } - return avail; -} - -/** - * Allocate empty worker structures. With backptr and thread-number, - * from 0..numthread initialised. Used as user arguments to new threads. - * Creates the daemon random generator if it does not exist yet. - * The random generator stays existing between reloads with a unique state. - * @param daemon: the daemon with (new) config settings. - */ -static void -daemon_create_workers(struct daemon* daemon) -{ - int i, numport; - int* shufport; - log_assert(daemon && daemon->cfg); - if(!daemon->rand) { - unsigned int seed = (unsigned int)time(NULL) ^ - (unsigned int)getpid() ^ 0x438; - daemon->rand = ub_initstate(seed, NULL); - if(!daemon->rand) - fatal_exit("could not init random generator"); - } - hash_set_raninit((uint32_t)ub_random(daemon->rand)); - shufport = (int*)calloc(65536, sizeof(int)); - if(!shufport) - fatal_exit("out of memory during daemon init"); - numport = daemon_get_shufport(daemon, shufport); - verbose(VERB_ALGO, "total of %d outgoing ports available", numport); - - daemon->num = (daemon->cfg->num_threads?daemon->cfg->num_threads:1); - if(daemon->reuseport && (int)daemon->num < (int)daemon->num_ports) { - log_warn("cannot reduce num-threads to %d because so-reuseport " - "so continuing with %d threads.", (int)daemon->num, - (int)daemon->num_ports); - daemon->num = (int)daemon->num_ports; - } - daemon->workers = (struct worker**)calloc((size_t)daemon->num, - sizeof(struct worker*)); - if(!daemon->workers) - fatal_exit("out of memory during daemon init"); - if(daemon->cfg->dnstap) { -#ifdef USE_DNSTAP - daemon->dtenv = dt_create(daemon->cfg->dnstap_socket_path, - (unsigned int)daemon->num); - if (!daemon->dtenv) - fatal_exit("dt_create failed"); - dt_apply_cfg(daemon->dtenv, daemon->cfg); -#else - fatal_exit("dnstap enabled in config but not built with dnstap support"); -#endif - } - for(i=0; i<daemon->num; i++) { - if(!(daemon->workers[i] = worker_create(daemon, i, - shufport+numport*i/daemon->num, - numport*(i+1)/daemon->num - numport*i/daemon->num))) - /* the above is not ports/numthr, due to rounding */ - fatal_exit("could not create worker"); - } - free(shufport); -} - -#ifdef THREADS_DISABLED -/** - * Close all pipes except for the numbered thread. - * @param daemon: daemon to close pipes in. - * @param thr: thread number 0..num-1 of thread to skip. - */ -static void close_other_pipes(struct daemon* daemon, int thr) -{ - int i; - for(i=0; i<daemon->num; i++) - if(i!=thr) { - if(i==0) { - /* only close read part, need to write stats */ - tube_close_read(daemon->workers[i]->cmd); - } else { - /* complete close channel to others */ - tube_delete(daemon->workers[i]->cmd); - daemon->workers[i]->cmd = NULL; - } - } -} -#endif /* THREADS_DISABLED */ - -/** - * Function to start one thread. - * @param arg: user argument. - * @return: void* user return value could be used for thread_join results. - */ -static void* -thread_start(void* arg) -{ - struct worker* worker = (struct worker*)arg; - int port_num = 0; - log_thread_set(&worker->thread_num); - ub_thread_blocksigs(); -#ifdef THREADS_DISABLED - /* close pipe ends used by main */ - tube_close_write(worker->cmd); - close_other_pipes(worker->daemon, worker->thread_num); -#endif -#ifdef SO_REUSEPORT - if(worker->daemon->cfg->so_reuseport) - port_num = worker->thread_num % worker->daemon->num_ports; - else - port_num = 0; -#endif - if(!worker_init(worker, worker->daemon->cfg, - worker->daemon->ports[port_num], 0)) - fatal_exit("Could not initialize thread"); - - worker_work(worker); - return NULL; -} - -/** - * Fork and init the other threads. Main thread returns for special handling. - * @param daemon: the daemon with other threads to fork. - */ -static void -daemon_start_others(struct daemon* daemon) -{ - int i; - log_assert(daemon); - verbose(VERB_ALGO, "start threads"); - /* skip i=0, is this thread */ - for(i=1; i<daemon->num; i++) { - ub_thread_create(&daemon->workers[i]->thr_id, - thread_start, daemon->workers[i]); -#ifdef THREADS_DISABLED - /* close pipe end of child */ - tube_close_read(daemon->workers[i]->cmd); -#endif /* no threads */ - } -} - -/** - * Stop the other threads. - * @param daemon: the daemon with other threads. - */ -static void -daemon_stop_others(struct daemon* daemon) -{ - int i; - log_assert(daemon); - verbose(VERB_ALGO, "stop threads"); - /* skip i=0, is this thread */ - /* use i=0 buffer for sending cmds; because we are #0 */ - for(i=1; i<daemon->num; i++) { - worker_send_cmd(daemon->workers[i], worker_cmd_quit); - } - /* wait for them to quit */ - for(i=1; i<daemon->num; i++) { - /* join it to make sure its dead */ - verbose(VERB_ALGO, "join %d", i); - ub_thread_join(daemon->workers[i]->thr_id); - verbose(VERB_ALGO, "join success %d", i); - } -} - -void -daemon_fork(struct daemon* daemon) -{ - int have_view_respip_cfg = 0; - - log_assert(daemon); - if(!(daemon->views = views_create())) - fatal_exit("Could not create views: out of memory"); - /* create individual views and their localzone/data trees */ - if(!views_apply_cfg(daemon->views, daemon->cfg)) - fatal_exit("Could not set up views"); - - if(!acl_list_apply_cfg(daemon->acl, daemon->cfg, daemon->views)) - fatal_exit("Could not setup access control list"); - if(daemon->cfg->dnscrypt) { -#ifdef USE_DNSCRYPT - daemon->dnscenv = dnsc_create(); - if (!daemon->dnscenv) - fatal_exit("dnsc_create failed"); - dnsc_apply_cfg(daemon->dnscenv, daemon->cfg); -#else - fatal_exit("dnscrypt enabled in config but unbound was not built with " - "dnscrypt support"); -#endif - } - /* create global local_zones */ - if(!(daemon->local_zones = local_zones_create())) - fatal_exit("Could not create local zones: out of memory"); - if(!local_zones_apply_cfg(daemon->local_zones, daemon->cfg)) - fatal_exit("Could not set up local zones"); - - /* process raw response-ip configuration data */ - if(!(daemon->respip_set = respip_set_create())) - fatal_exit("Could not create response IP set"); - if(!respip_global_apply_cfg(daemon->respip_set, daemon->cfg)) - fatal_exit("Could not set up response IP set"); - if(!respip_views_apply_cfg(daemon->views, daemon->cfg, - &have_view_respip_cfg)) - fatal_exit("Could not set up per-view response IP sets"); - daemon->use_response_ip = !respip_set_is_empty(daemon->respip_set) || - have_view_respip_cfg; - - /* setup modules */ - daemon_setup_modules(daemon); - - /* response-ip-xxx options don't work as expected without the respip - * module. To avoid run-time operational surprise we reject such - * configuration. */ - if(daemon->use_response_ip && - modstack_find(&daemon->mods, "respip") < 0) - fatal_exit("response-ip options require respip module"); - - /* first create all the worker structures, so we can pass - * them to the newly created threads. - */ - daemon_create_workers(daemon); - -#if defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP) - /* in libev the first inited base gets signals */ - if(!worker_init(daemon->workers[0], daemon->cfg, daemon->ports[0], 1)) - fatal_exit("Could not initialize main thread"); -#endif - - /* Now create the threads and init the workers. - * By the way, this is thread #0 (the main thread). - */ - daemon_start_others(daemon); - - /* Special handling for the main thread. This is the thread - * that handles signals and remote control. - */ -#if !(defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP)) - /* libevent has the last inited base get signals (or any base) */ - if(!worker_init(daemon->workers[0], daemon->cfg, daemon->ports[0], 1)) - fatal_exit("Could not initialize main thread"); -#endif - signal_handling_playback(daemon->workers[0]); - - if (!shm_main_init(daemon)) - log_warn("SHM has failed"); - - /* Start resolver service on main thread. */ -#ifdef HAVE_SYSTEMD - sd_notify(0, "READY=1"); -#endif - log_info("start of service (%s).", PACKAGE_STRING); - worker_work(daemon->workers[0]); -#ifdef HAVE_SYSTEMD - sd_notify(0, "STOPPING=1"); -#endif - log_info("service stopped (%s).", PACKAGE_STRING); - - /* we exited! a signal happened! Stop other threads */ - daemon_stop_others(daemon); - - /* Shutdown SHM */ - shm_main_shutdown(daemon); - - daemon->need_to_exit = daemon->workers[0]->need_to_exit; -} - -void -daemon_cleanup(struct daemon* daemon) -{ - int i; - log_assert(daemon); - /* before stopping main worker, handle signals ourselves, so we - don't die on multiple reload signals for example. */ - signal_handling_record(); - log_thread_set(NULL); - /* clean up caches because - * a) RRset IDs will be recycled after a reload, causing collisions - * b) validation config can change, thus rrset, msg, keycache clear */ - slabhash_clear(&daemon->env->rrset_cache->table); - slabhash_clear(daemon->env->msg_cache); - local_zones_delete(daemon->local_zones); - daemon->local_zones = NULL; - respip_set_delete(daemon->respip_set); - daemon->respip_set = NULL; - views_delete(daemon->views); - daemon->views = NULL; - /* key cache is cleared by module desetup during next daemon_fork() */ - daemon_remote_clear(daemon->rc); - for(i=0; i<daemon->num; i++) - worker_delete(daemon->workers[i]); - free(daemon->workers); - daemon->workers = NULL; - daemon->num = 0; -#ifdef USE_DNSTAP - dt_delete(daemon->dtenv); -#endif - daemon->cfg = NULL; -} - -void -daemon_delete(struct daemon* daemon) -{ - size_t i; - if(!daemon) - return; - modstack_desetup(&daemon->mods, daemon->env); - daemon_remote_delete(daemon->rc); - for(i = 0; i < daemon->num_ports; i++) - listening_ports_free(daemon->ports[i]); - free(daemon->ports); - listening_ports_free(daemon->rc_ports); - if(daemon->env) { - slabhash_delete(daemon->env->msg_cache); - rrset_cache_delete(daemon->env->rrset_cache); - infra_delete(daemon->env->infra_cache); - edns_known_options_delete(daemon->env); - } - ub_randfree(daemon->rand); - alloc_clear(&daemon->superalloc); - acl_list_delete(daemon->acl); - free(daemon->chroot); - free(daemon->pidfile); - free(daemon->env); -#ifdef HAVE_SSL - SSL_CTX_free((SSL_CTX*)daemon->listen_sslctx); - SSL_CTX_free((SSL_CTX*)daemon->connect_sslctx); -#endif - free(daemon); -#ifdef LEX_HAS_YYLEX_DESTROY - /* lex cleanup */ - ub_c_lex_destroy(); -#endif - /* libcrypto cleanup */ -#ifdef HAVE_SSL -# if defined(USE_GOST) && defined(HAVE_LDNS_KEY_EVP_UNLOAD_GOST) - sldns_key_EVP_unload_gost(); -# endif -# if HAVE_DECL_SSL_COMP_GET_COMPRESSION_METHODS && HAVE_DECL_SK_SSL_COMP_POP_FREE -# ifndef S_SPLINT_S -# if OPENSSL_VERSION_NUMBER < 0x10100000 - sk_SSL_COMP_pop_free(comp_meth, (void(*)())CRYPTO_free); -# endif -# endif -# endif -# ifdef HAVE_OPENSSL_CONFIG - EVP_cleanup(); -# if OPENSSL_VERSION_NUMBER < 0x10100000 - ENGINE_cleanup(); -# endif - CONF_modules_free(); -# endif -# ifdef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA - CRYPTO_cleanup_all_ex_data(); /* safe, no more threads right now */ -# endif -# ifdef HAVE_ERR_FREE_STRINGS - ERR_free_strings(); -# endif -# if OPENSSL_VERSION_NUMBER < 0x10100000 - RAND_cleanup(); -# endif -# if defined(HAVE_SSL) && defined(OPENSSL_THREADS) && !defined(THREADS_DISABLED) - ub_openssl_lock_delete(); -# endif -#elif defined(HAVE_NSS) - NSS_Shutdown(); -#endif /* HAVE_SSL or HAVE_NSS */ - checklock_stop(); -#ifdef USE_WINSOCK - if(WSACleanup() != 0) { - log_err("Could not WSACleanup: %s", - wsa_strerror(WSAGetLastError())); - } -#endif -} - -void daemon_apply_cfg(struct daemon* daemon, struct config_file* cfg) -{ - daemon->cfg = cfg; - config_apply(cfg); - if(!daemon->env->msg_cache || - cfg->msg_cache_size != slabhash_get_size(daemon->env->msg_cache) || - cfg->msg_cache_slabs != daemon->env->msg_cache->size) { - slabhash_delete(daemon->env->msg_cache); - daemon->env->msg_cache = slabhash_create(cfg->msg_cache_slabs, - HASH_DEFAULT_STARTARRAY, cfg->msg_cache_size, - msgreply_sizefunc, query_info_compare, - query_entry_delete, reply_info_delete, NULL); - if(!daemon->env->msg_cache) { - fatal_exit("malloc failure updating config settings"); - } - } - if((daemon->env->rrset_cache = rrset_cache_adjust( - daemon->env->rrset_cache, cfg, &daemon->superalloc)) == 0) - fatal_exit("malloc failure updating config settings"); - if((daemon->env->infra_cache = infra_adjust(daemon->env->infra_cache, - cfg))==0) - fatal_exit("malloc failure updating config settings"); -} |