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authoranonimal <anonimal@i2pmail.org>2017-06-28 21:07:24 +0000
committeranonimal <anonimal@i2pmail.org>2018-03-18 15:52:19 +0000
commit84c5a9ba481d7a33cc0fd0ca43867b61d127d907 (patch)
treef05d3d3f107da02005b4a61f0e5074c113a7165c /external/unbound/daemon/daemon.c
parentMerge pull request #3416 (diff)
downloadmonero-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.c795
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");
-}