2 * daemon/daemon.c - collection of workers that handles requests.
4 * Copyright (c) 2007, NLnet Labs. All rights reserved.
6 * This software is open source.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
15 * Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
19 * Neither the name of the NLNET LABS nor the names of its contributors may
20 * be used to endorse or promote products derived from this software without
21 * specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
29 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
31 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 * The daemon consists of global settings and a number of workers.
43 #ifdef HAVE_OPENSSL_ERR_H
44 #include <openssl/err.h>
47 #ifdef HAVE_OPENSSL_RAND_H
48 #include <openssl/rand.h>
51 #ifdef HAVE_OPENSSL_CONF_H
52 #include <openssl/conf.h>
55 #ifdef HAVE_OPENSSL_ENGINE_H
56 #include <openssl/engine.h>
69 #include "daemon/daemon.h"
70 #include "daemon/worker.h"
71 #include "daemon/remote.h"
72 #include "daemon/acl_list.h"
74 #include "util/config_file.h"
75 #include "util/data/msgreply.h"
76 #include "util/shm_side/shm_main.h"
77 #include "util/storage/lookup3.h"
78 #include "util/storage/slabhash.h"
79 #include "services/listen_dnsport.h"
80 #include "services/cache/rrset.h"
81 #include "services/cache/infra.h"
82 #include "services/localzone.h"
83 #include "services/view.h"
84 #include "services/modstack.h"
85 #include "services/authzone.h"
86 #include "util/module.h"
87 #include "util/random.h"
88 #include "util/tube.h"
89 #include "util/net_help.h"
90 #include "sldns/keyraw.h"
91 #include "respip/respip.h"
95 #include <systemd/sd-daemon.h>
98 /** How many quit requests happened. */
99 static int sig_record_quit = 0;
100 /** How many reload requests happened. */
101 static int sig_record_reload = 0;
103 #if HAVE_DECL_SSL_COMP_GET_COMPRESSION_METHODS
104 /** cleaner ssl memory freeup */
105 static void* comp_meth = NULL;
107 #ifdef LEX_HAS_YYLEX_DESTROY
108 /** remove buffers for parsing and init */
109 int ub_c_lex_destroy(void);
112 /** used when no other sighandling happens, so we don't die
113 * when multiple signals in quick succession are sent to us.
114 * @param sig: signal number.
115 * @return signal handler return type (void or int).
117 static RETSIGTYPE record_sigh(int sig)
119 #ifdef LIBEVENT_SIGNAL_PROBLEM
120 /* cannot log, verbose here because locks may be held */
121 /* quit on signal, no cleanup and statistics,
122 because installed libevent version is not threadsafe */
147 /* ignoring signal */
153 * Signal handling during the time when netevent is disabled.
154 * Stores signals to replay later.
157 signal_handling_record(void)
159 if( signal(SIGTERM, record_sigh) == SIG_ERR ||
161 signal(SIGQUIT, record_sigh) == SIG_ERR ||
164 signal(SIGBREAK, record_sigh) == SIG_ERR ||
167 signal(SIGHUP, record_sigh) == SIG_ERR ||
170 signal(SIGPIPE, SIG_IGN) == SIG_ERR ||
172 signal(SIGINT, record_sigh) == SIG_ERR
174 log_err("install sighandler: %s", strerror(errno));
178 * Replay old signals.
179 * @param wrk: worker that handles signals.
182 signal_handling_playback(struct worker* wrk)
185 if(sig_record_reload) {
187 sd_notify(0, "RELOADING=1");
189 worker_sighandler(SIGHUP, wrk);
191 sd_notify(0, "READY=1");
196 worker_sighandler(SIGTERM, wrk);
198 sig_record_reload = 0;
204 struct daemon* daemon = (struct daemon*)calloc(1,
205 sizeof(struct daemon));
213 r = WSAStartup(MAKEWORD(2,2), &wsa_data);
215 fatal_exit("could not init winsock. WSAStartup: %s",
218 #endif /* USE_WINSOCK */
219 signal_handling_record();
222 # ifdef HAVE_ERR_LOAD_CRYPTO_STRINGS
223 ERR_load_crypto_strings();
225 #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL)
226 ERR_load_SSL_strings();
229 (void)sldns_key_EVP_load_gost_id();
231 # if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_CRYPTO)
232 OpenSSL_add_all_algorithms();
234 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS
235 | OPENSSL_INIT_ADD_ALL_DIGESTS
236 | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
238 # if HAVE_DECL_SSL_COMP_GET_COMPRESSION_METHODS
239 /* grab the COMP method ptr because openssl leaks it */
240 comp_meth = (void*)SSL_COMP_get_compression_methods();
242 # if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL)
243 (void)SSL_library_init();
245 (void)OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL);
247 # if defined(HAVE_SSL) && defined(OPENSSL_THREADS) && !defined(THREADS_DISABLED)
248 if(!ub_openssl_lock_init())
249 fatal_exit("could not init openssl locks");
251 #elif defined(HAVE_NSS)
252 if(NSS_NoDB_Init(NULL) != SECSuccess)
253 fatal_exit("could not init NSS");
254 #endif /* HAVE_SSL or HAVE_NSS */
256 /* init timezone info while we are not chrooted yet */
259 /* open /dev/random if needed */
260 ub_systemseed((unsigned)time(NULL)^(unsigned)getpid()^0xe67);
261 daemon->need_to_exit = 0;
262 modstack_init(&daemon->mods);
263 if(!(daemon->env = (struct module_env*)calloc(1,
264 sizeof(*daemon->env)))) {
268 /* init edns_known_options */
269 if(!edns_known_options_init(daemon->env)) {
274 alloc_init(&daemon->superalloc, NULL, 0);
275 daemon->acl = acl_list_create();
277 edns_known_options_delete(daemon->env);
282 if(gettimeofday(&daemon->time_boot, NULL) < 0)
283 log_err("gettimeofday: %s", strerror(errno));
284 daemon->time_last_stat = daemon->time_boot;
285 if((daemon->env->auth_zones = auth_zones_create()) == 0) {
286 acl_list_delete(daemon->acl);
287 edns_known_options_delete(daemon->env);
296 daemon_open_shared_ports(struct daemon* daemon)
299 if(daemon->cfg->port != daemon->listening_port) {
301 struct listen_port* p0;
302 daemon->reuseport = 0;
303 /* free and close old ports */
304 if(daemon->ports != NULL) {
305 for(i=0; i<daemon->num_ports; i++)
306 listening_ports_free(daemon->ports[i]);
308 daemon->ports = NULL;
310 /* see if we want to reuseport */
312 if(daemon->cfg->so_reuseport && daemon->cfg->num_threads > 0)
313 daemon->reuseport = 1;
315 /* try to use reuseport */
316 p0 = listening_ports_open(daemon->cfg, &daemon->reuseport);
318 listening_ports_free(p0);
321 if(daemon->reuseport) {
322 /* reuseport was successful, allocate for it */
323 daemon->num_ports = (size_t)daemon->cfg->num_threads;
325 /* do the normal, singleportslist thing,
326 * reuseport not enabled or did not work */
327 daemon->num_ports = 1;
329 if(!(daemon->ports = (struct listen_port**)calloc(
330 daemon->num_ports, sizeof(*daemon->ports)))) {
331 listening_ports_free(p0);
334 daemon->ports[0] = p0;
335 if(daemon->reuseport) {
336 /* continue to use reuseport */
337 for(i=1; i<daemon->num_ports; i++) {
338 if(!(daemon->ports[i]=
339 listening_ports_open(daemon->cfg,
341 || !daemon->reuseport ) {
342 for(i=0; i<daemon->num_ports; i++)
343 listening_ports_free(daemon->ports[i]);
345 daemon->ports = NULL;
350 daemon->listening_port = daemon->cfg->port;
352 if(!daemon->cfg->remote_control_enable && daemon->rc_port) {
353 listening_ports_free(daemon->rc_ports);
354 daemon->rc_ports = NULL;
357 if(daemon->cfg->remote_control_enable &&
358 daemon->cfg->control_port != daemon->rc_port) {
359 listening_ports_free(daemon->rc_ports);
360 if(!(daemon->rc_ports=daemon_remote_open_ports(daemon->cfg)))
362 daemon->rc_port = daemon->cfg->control_port;
368 * Setup modules. setup module stack.
369 * @param daemon: the daemon
371 static void daemon_setup_modules(struct daemon* daemon)
373 daemon->env->cfg = daemon->cfg;
374 daemon->env->alloc = &daemon->superalloc;
375 daemon->env->worker = NULL;
376 daemon->env->need_to_validate = 0; /* set by module init below */
377 if(!modstack_setup(&daemon->mods, daemon->cfg->module_conf,
379 fatal_exit("failed to setup modules");
381 log_edns_known_options(VERB_ALGO, daemon->env);
385 * Obtain allowed port numbers, concatenate the list, and shuffle them
386 * (ready to be handed out to threads).
387 * @param daemon: the daemon. Uses rand and cfg.
388 * @param shufport: the portlist output.
389 * @return number of ports available.
391 static int daemon_get_shufport(struct daemon* daemon, int* shufport)
395 for(i=0; i<65536; i++) {
396 if(daemon->cfg->outgoing_avail_ports[i]) {
397 shufport[avail++] = daemon->cfg->
398 outgoing_avail_ports[i];
402 fatal_exit("no ports are permitted for UDP, add "
403 "with outgoing-port-permit");
407 k = ub_random_max(daemon->rand, n+1); /* 0<= k<= n */
409 shufport[k] = shufport[n];
416 * Allocate empty worker structures. With backptr and thread-number,
417 * from 0..numthread initialised. Used as user arguments to new threads.
418 * Creates the daemon random generator if it does not exist yet.
419 * The random generator stays existing between reloads with a unique state.
420 * @param daemon: the daemon with (new) config settings.
423 daemon_create_workers(struct daemon* daemon)
427 log_assert(daemon && daemon->cfg);
429 unsigned int seed = (unsigned int)time(NULL) ^
430 (unsigned int)getpid() ^ 0x438;
431 daemon->rand = ub_initstate(seed, NULL);
433 fatal_exit("could not init random generator");
434 hash_set_raninit((uint32_t)ub_random(daemon->rand));
436 shufport = (int*)calloc(65536, sizeof(int));
438 fatal_exit("out of memory during daemon init");
439 numport = daemon_get_shufport(daemon, shufport);
440 verbose(VERB_ALGO, "total of %d outgoing ports available", numport);
442 daemon->num = (daemon->cfg->num_threads?daemon->cfg->num_threads:1);
443 if(daemon->reuseport && (int)daemon->num < (int)daemon->num_ports) {
444 log_warn("cannot reduce num-threads to %d because so-reuseport "
445 "so continuing with %d threads.", (int)daemon->num,
446 (int)daemon->num_ports);
447 daemon->num = (int)daemon->num_ports;
449 daemon->workers = (struct worker**)calloc((size_t)daemon->num,
450 sizeof(struct worker*));
452 fatal_exit("out of memory during daemon init");
453 if(daemon->cfg->dnstap) {
455 daemon->dtenv = dt_create(daemon->cfg->dnstap_socket_path,
456 (unsigned int)daemon->num);
458 fatal_exit("dt_create failed");
459 dt_apply_cfg(daemon->dtenv, daemon->cfg);
461 fatal_exit("dnstap enabled in config but not built with dnstap support");
464 for(i=0; i<daemon->num; i++) {
465 if(!(daemon->workers[i] = worker_create(daemon, i,
466 shufport+numport*i/daemon->num,
467 numport*(i+1)/daemon->num - numport*i/daemon->num)))
468 /* the above is not ports/numthr, due to rounding */
469 fatal_exit("could not create worker");
474 #ifdef THREADS_DISABLED
476 * Close all pipes except for the numbered thread.
477 * @param daemon: daemon to close pipes in.
478 * @param thr: thread number 0..num-1 of thread to skip.
480 static void close_other_pipes(struct daemon* daemon, int thr)
483 for(i=0; i<daemon->num; i++)
486 /* only close read part, need to write stats */
487 tube_close_read(daemon->workers[i]->cmd);
489 /* complete close channel to others */
490 tube_delete(daemon->workers[i]->cmd);
491 daemon->workers[i]->cmd = NULL;
495 #endif /* THREADS_DISABLED */
498 * Function to start one thread.
499 * @param arg: user argument.
500 * @return: void* user return value could be used for thread_join results.
503 thread_start(void* arg)
505 struct worker* worker = (struct worker*)arg;
507 log_thread_set(&worker->thread_num);
508 ub_thread_blocksigs();
509 #ifdef THREADS_DISABLED
510 /* close pipe ends used by main */
511 tube_close_write(worker->cmd);
512 close_other_pipes(worker->daemon, worker->thread_num);
515 if(worker->daemon->cfg->so_reuseport)
516 port_num = worker->thread_num % worker->daemon->num_ports;
520 if(!worker_init(worker, worker->daemon->cfg,
521 worker->daemon->ports[port_num], 0))
522 fatal_exit("Could not initialize thread");
529 * Fork and init the other threads. Main thread returns for special handling.
530 * @param daemon: the daemon with other threads to fork.
533 daemon_start_others(struct daemon* daemon)
537 verbose(VERB_ALGO, "start threads");
538 /* skip i=0, is this thread */
539 for(i=1; i<daemon->num; i++) {
540 ub_thread_create(&daemon->workers[i]->thr_id,
541 thread_start, daemon->workers[i]);
542 #ifdef THREADS_DISABLED
543 /* close pipe end of child */
544 tube_close_read(daemon->workers[i]->cmd);
545 #endif /* no threads */
550 * Stop the other threads.
551 * @param daemon: the daemon with other threads.
554 daemon_stop_others(struct daemon* daemon)
558 verbose(VERB_ALGO, "stop threads");
559 /* skip i=0, is this thread */
560 /* use i=0 buffer for sending cmds; because we are #0 */
561 for(i=1; i<daemon->num; i++) {
562 worker_send_cmd(daemon->workers[i], worker_cmd_quit);
564 /* wait for them to quit */
565 for(i=1; i<daemon->num; i++) {
566 /* join it to make sure its dead */
567 verbose(VERB_ALGO, "join %d", i);
568 ub_thread_join(daemon->workers[i]->thr_id);
569 verbose(VERB_ALGO, "join success %d", i);
574 daemon_fork(struct daemon* daemon)
576 int have_view_respip_cfg = 0;
579 if(!(daemon->views = views_create()))
580 fatal_exit("Could not create views: out of memory");
581 /* create individual views and their localzone/data trees */
582 if(!views_apply_cfg(daemon->views, daemon->cfg))
583 fatal_exit("Could not set up views");
585 if(!acl_list_apply_cfg(daemon->acl, daemon->cfg, daemon->views))
586 fatal_exit("Could not setup access control list");
587 if(daemon->cfg->dnscrypt) {
589 daemon->dnscenv = dnsc_create();
590 if (!daemon->dnscenv)
591 fatal_exit("dnsc_create failed");
592 dnsc_apply_cfg(daemon->dnscenv, daemon->cfg);
594 fatal_exit("dnscrypt enabled in config but unbound was not built with "
598 /* create global local_zones */
599 if(!(daemon->local_zones = local_zones_create()))
600 fatal_exit("Could not create local zones: out of memory");
601 if(!local_zones_apply_cfg(daemon->local_zones, daemon->cfg))
602 fatal_exit("Could not set up local zones");
604 /* process raw response-ip configuration data */
605 if(!(daemon->respip_set = respip_set_create()))
606 fatal_exit("Could not create response IP set");
607 if(!respip_global_apply_cfg(daemon->respip_set, daemon->cfg))
608 fatal_exit("Could not set up response IP set");
609 if(!respip_views_apply_cfg(daemon->views, daemon->cfg,
610 &have_view_respip_cfg))
611 fatal_exit("Could not set up per-view response IP sets");
612 daemon->use_response_ip = !respip_set_is_empty(daemon->respip_set) ||
613 have_view_respip_cfg;
615 /* read auth zonefiles */
616 if(!auth_zones_apply_cfg(daemon->env->auth_zones, daemon->cfg, 1))
617 fatal_exit("auth_zones could not be setup");
620 daemon_setup_modules(daemon);
622 /* response-ip-xxx options don't work as expected without the respip
623 * module. To avoid run-time operational surprise we reject such
625 if(daemon->use_response_ip &&
626 modstack_find(&daemon->mods, "respip") < 0)
627 fatal_exit("response-ip options require respip module");
629 /* first create all the worker structures, so we can pass
630 * them to the newly created threads.
632 daemon_create_workers(daemon);
634 #if defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP)
635 /* in libev the first inited base gets signals */
636 if(!worker_init(daemon->workers[0], daemon->cfg, daemon->ports[0], 1))
637 fatal_exit("Could not initialize main thread");
640 /* Now create the threads and init the workers.
641 * By the way, this is thread #0 (the main thread).
643 daemon_start_others(daemon);
645 /* Special handling for the main thread. This is the thread
646 * that handles signals and remote control.
648 #if !(defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP))
649 /* libevent has the last inited base get signals (or any base) */
650 if(!worker_init(daemon->workers[0], daemon->cfg, daemon->ports[0], 1))
651 fatal_exit("Could not initialize main thread");
653 signal_handling_playback(daemon->workers[0]);
655 if (!shm_main_init(daemon))
656 log_warn("SHM has failed");
658 /* Start resolver service on main thread. */
660 sd_notify(0, "READY=1");
662 log_info("start of service (%s).", PACKAGE_STRING);
663 worker_work(daemon->workers[0]);
665 sd_notify(0, "STOPPING=1");
667 log_info("service stopped (%s).", PACKAGE_STRING);
669 /* we exited! a signal happened! Stop other threads */
670 daemon_stop_others(daemon);
673 shm_main_shutdown(daemon);
675 daemon->need_to_exit = daemon->workers[0]->need_to_exit;
679 daemon_cleanup(struct daemon* daemon)
683 /* before stopping main worker, handle signals ourselves, so we
684 don't die on multiple reload signals for example. */
685 signal_handling_record();
686 log_thread_set(NULL);
687 /* clean up caches because
688 * a) RRset IDs will be recycled after a reload, causing collisions
689 * b) validation config can change, thus rrset, msg, keycache clear */
690 slabhash_clear(&daemon->env->rrset_cache->table);
691 slabhash_clear(daemon->env->msg_cache);
692 local_zones_delete(daemon->local_zones);
693 daemon->local_zones = NULL;
694 respip_set_delete(daemon->respip_set);
695 daemon->respip_set = NULL;
696 views_delete(daemon->views);
697 daemon->views = NULL;
698 if(daemon->env->auth_zones)
699 auth_zones_cleanup(daemon->env->auth_zones);
700 /* key cache is cleared by module desetup during next daemon_fork() */
701 daemon_remote_clear(daemon->rc);
702 for(i=0; i<daemon->num; i++)
703 worker_delete(daemon->workers[i]);
704 free(daemon->workers);
705 daemon->workers = NULL;
708 dt_delete(daemon->dtenv);
709 daemon->dtenv = NULL;
712 dnsc_delete(daemon->dnscenv);
713 daemon->dnscenv = NULL;
719 daemon_delete(struct daemon* daemon)
724 modstack_desetup(&daemon->mods, daemon->env);
725 daemon_remote_delete(daemon->rc);
726 for(i = 0; i < daemon->num_ports; i++)
727 listening_ports_free(daemon->ports[i]);
729 listening_ports_free(daemon->rc_ports);
731 slabhash_delete(daemon->env->msg_cache);
732 rrset_cache_delete(daemon->env->rrset_cache);
733 infra_delete(daemon->env->infra_cache);
734 edns_known_options_delete(daemon->env);
735 auth_zones_delete(daemon->env->auth_zones);
737 ub_randfree(daemon->rand);
738 alloc_clear(&daemon->superalloc);
739 acl_list_delete(daemon->acl);
740 free(daemon->chroot);
741 free(daemon->pidfile);
744 SSL_CTX_free((SSL_CTX*)daemon->listen_sslctx);
745 SSL_CTX_free((SSL_CTX*)daemon->connect_sslctx);
748 #ifdef LEX_HAS_YYLEX_DESTROY
752 /* libcrypto cleanup */
754 # if defined(USE_GOST) && defined(HAVE_LDNS_KEY_EVP_UNLOAD_GOST)
755 sldns_key_EVP_unload_gost();
757 # if HAVE_DECL_SSL_COMP_GET_COMPRESSION_METHODS && HAVE_DECL_SK_SSL_COMP_POP_FREE
759 # if OPENSSL_VERSION_NUMBER < 0x10100000
760 sk_SSL_COMP_pop_free(comp_meth, (void(*)())CRYPTO_free);
764 # ifdef HAVE_OPENSSL_CONFIG
766 # if OPENSSL_VERSION_NUMBER < 0x10100000
771 # ifdef HAVE_CRYPTO_CLEANUP_ALL_EX_DATA
772 CRYPTO_cleanup_all_ex_data(); /* safe, no more threads right now */
774 # ifdef HAVE_ERR_FREE_STRINGS
777 # if OPENSSL_VERSION_NUMBER < 0x10100000
780 # if defined(HAVE_SSL) && defined(OPENSSL_THREADS) && !defined(THREADS_DISABLED)
781 ub_openssl_lock_delete();
783 #ifndef HAVE_ARC4RANDOM
784 _ARC4_LOCK_DESTROY();
786 #elif defined(HAVE_NSS)
788 #endif /* HAVE_SSL or HAVE_NSS */
791 if(WSACleanup() != 0) {
792 log_err("Could not WSACleanup: %s",
793 wsa_strerror(WSAGetLastError()));
798 void daemon_apply_cfg(struct daemon* daemon, struct config_file* cfg)
802 if(!daemon->env->msg_cache ||
803 cfg->msg_cache_size != slabhash_get_size(daemon->env->msg_cache) ||
804 cfg->msg_cache_slabs != daemon->env->msg_cache->size) {
805 slabhash_delete(daemon->env->msg_cache);
806 daemon->env->msg_cache = slabhash_create(cfg->msg_cache_slabs,
807 HASH_DEFAULT_STARTARRAY, cfg->msg_cache_size,
808 msgreply_sizefunc, query_info_compare,
809 query_entry_delete, reply_info_delete, NULL);
810 if(!daemon->env->msg_cache) {
811 fatal_exit("malloc failure updating config settings");
814 if((daemon->env->rrset_cache = rrset_cache_adjust(
815 daemon->env->rrset_cache, cfg, &daemon->superalloc)) == 0)
816 fatal_exit("malloc failure updating config settings");
817 if((daemon->env->infra_cache = infra_adjust(daemon->env->infra_cache,
819 fatal_exit("malloc failure updating config settings");