unbound/daemon/unbound.c

174 checkrlimits(struct config_file* cfg)
179 	int list = ((cfg->do_udp?1:0) + (cfg->do_tcp?1 +
180 			(int)cfg->incoming_num_tcp:0));
181 	size_t listen_ifs = (size_t)(cfg->num_ifs==0?
182 		((cfg->do_ip4 && !cfg->if_automatic?1:0) +
183 		 (cfg->do_ip6?1:0)):cfg->num_ifs);
185 	size_t outudpnum = (size_t)cfg->outgoing_num_ports;
186 	size_t outtcpnum = cfg->outgoing_num_tcp;
195 	int numthread = (cfg->num_threads?cfg->num_threads:1);
208 		cfg->outgoing_num_ports = (int)((1024
212 			cfg->outgoing_num_ports);
222 		cfg->outgoing_num_ports = (int)((64
226 			cfg->outgoing_num_ports);
228 			(size_t)cfg->outgoing_num_ports)+misc;
250 			cfg->outgoing_num_ports = (int)((avail
254 				cfg->outgoing_num_ports);
265 	(void)cfg;
272 apply_settings(struct daemon* daemon, struct config_file* cfg,
276 	verbosity = cmdline_verbose + cfg->verbosity;
278 		cfg->use_syslog = 0;
279 		free(cfg->logfile);
280 		cfg->logfile = NULL;
282 	daemon_apply_cfg(daemon, cfg);
283 	checkrlimits(cfg);
285 	if (cfg->use_systemd && cfg->do_daemonize) {
289 	log_ident_set_or_default(cfg->log_identity);
441 perform_setup(struct daemon* daemon, struct config_file* cfg, int debug_mode,
450 	if(cfg->username && cfg->username[0]) {
451 		if((pwd = getpwnam(cfg->username)) == NULL)
452 			fatal_exit("user '%s' does not exist.", cfg->username);
457 	w_config_adjust_directory(cfg);
462 	if(!(daemon->rc = daemon_remote_create(cfg)))
464 	if(cfg->ssl_service_key && cfg->ssl_service_key[0]) {
466 			cfg->ssl_service_key, cfg->ssl_service_pem, NULL)))
468 		if(cfg->tls_ciphers && cfg->tls_ciphers[0]) {
469 			if (!SSL_CTX_set_cipher_list(daemon->listen_sslctx, cfg->tls_ciphers)) {
470 				fatal_exit("failed to set tls-cipher %s", cfg->tls_ciphers);
474 		if(cfg->tls_ciphersuites && cfg->tls_ciphersuites[0]) {
475 			if (!SSL_CTX_set_ciphersuites(daemon->listen_sslctx, cfg->tls_ciphersuites)) {
476 				fatal_exit("failed to set tls-ciphersuites %s", cfg->tls_ciphersuites);
480 		if(cfg->tls_session_ticket_keys.first &&
481 			cfg->tls_session_ticket_keys.first->str[0] != 0) {
482 			if(!listen_sslctx_setup_ticket_keys(daemon->listen_sslctx, cfg->tls_session_ticket_keys.first)) {
488 		cfg->tls_cert_bundle, cfg->tls_win_cert)))
494 	if(cfg->use_syslog) {
495 		log_init(cfg->logfile, cfg->use_syslog, cfg->chrootdir);
505 	pidinchroot = need_pidfile && (!(cfg->chrootdir && cfg->chrootdir[0]) ||
506 				(cfg->chrootdir && cfg->chrootdir[0] &&
507 				strncmp(cfg->pidfile, cfg->chrootdir,
508 				strlen(cfg->chrootdir))==0));
511 	if(cfg->pidfile && cfg->pidfile[0] && need_pidfile) {
513 		if(cfg->pidfile[0] == '/')
514 			daemon->pidfile = strdup(cfg->pidfile);
515 		else	daemon->pidfile = fname_after_chroot(cfg->pidfile,
516 				cfg, 1);
524 	if(!debug_mode && cfg->do_daemonize) {
530 	if(cfg->pidfile && cfg->pidfile[0] && need_pidfile) {
532 			if(cfg->username && cfg->username[0] && cfg_uid != (uid_t)-1 &&
551 	if(cfg->username && cfg->username[0] && cfg_uid != (uid_t)-1) {
559 				cfg->username, strerror(errno));
568 	if(cfg->chrootdir && cfg->chrootdir[0]) {
569 		if(chdir(cfg->chrootdir)) {
571 				cfg->chrootdir, strerror(errno));
573 		verbose(VERB_QUERY, "chdir to %s", cfg->chrootdir);
574 		if(chroot(cfg->chrootdir))
576 				cfg->chrootdir, strerror(errno));
579 				cfg->chrootdir, strerror(errno));
580 		verbose(VERB_QUERY, "chroot to %s", cfg->chrootdir);
581 		if(strncmp(*cfgfile, cfg->chrootdir,
582 			strlen(cfg->chrootdir)) == 0)
583 			(*cfgfile) += strlen(cfg->chrootdir);
587 			strncmp(daemon->pidfile, cfg->chrootdir,
588 			strlen(cfg->chrootdir))==0) {
590 			daemon->pidfile = strdup(old+strlen(cfg->chrootdir));
595 		daemon->chroot = strdup(cfg->chrootdir);
603 	if(cfg->directory && cfg->directory[0]) {
604 		char* dir = cfg->directory;
605 		if(cfg->chrootdir && cfg->chrootdir[0] &&
606 			strncmp(dir, cfg->chrootdir,
607 			strlen(cfg->chrootdir)) == 0)
608 			dir += strlen(cfg->chrootdir);
620 	if(cfg->username && cfg->username[0] && cfg_uid != (uid_t)-1) {
622 		if(initgroups(cfg->username, cfg_gid) != 0)
624 				cfg->username, strerror(errno));
638 				cfg->username, strerror(errno));
647 				cfg->username, strerror(errno));
649 			cfg->username);
654 	if(!cfg->use_syslog)
655 		log_init(cfg->logfile, cfg->use_syslog, cfg->chrootdir);
669 	struct config_file* cfg = NULL;
681 		if(!(cfg = config_create()))
683 		if(!config_read(cfg, cfgfile, daemon->chroot)) {
691 		apply_settings(daemon, cfg, cmdline_verbose, debug_mode);
693 			config_lookup_uid(cfg);
699 			perform_setup(daemon, cfg, debug_mode, &cfgfile, need_pidfile);
703 			if(!cfg->use_syslog)
704 				log_init(cfg->logfile, 0, cfg->chrootdir);
712 		config_delete(cfg);