2  * daemon/unbound.c - main program for unbound DNS resolver daemon.
40  * Main program to start the DNS resolver daemon.
49 #include "daemon/daemon.h"
50 #include "daemon/remote.h"
146 	printf("	start unbound daemon DNS resolver.\n");  in usage()
301 apply_settings(struct daemon* daemon, struct config_file* cfg,  in apply_settings()  argument
311 	daemon_apply_cfg(daemon, cfg);  in apply_settings()
434 	/* use POSIX daemon(3) function */  in detach()
435 	if(daemon(1, 0) != 0)  in detach()
436 		fatal_exit("daemon failed: %s", strerror(errno));  in detach()
484 setup_sslctxs(struct daemon* daemon, struct config_file* cfg)  in setup_sslctxs()  argument
487 	if(!(daemon->rc = daemon_remote_create(cfg)))  in setup_sslctxs()
499 		(void)setup_listen_sslctx(&daemon->listen_dot_sslctx, 1, 0, cfg);  in setup_sslctxs()
502 			(void)setup_listen_sslctx(&daemon->listen_doh_sslctx, 0, 1, cfg);  in setup_sslctxs()
507 			if(!(daemon->listen_quic_sslctx = quic_sslctx_create(  in setup_sslctxs()
514 	if(!(daemon->connect_dot_sslctx = connect_sslctx_create(NULL, NULL,  in setup_sslctxs()
518 	(void)daemon;(void)cfg;  in setup_sslctxs()
524 perform_setup(struct daemon* daemon, struct config_file* cfg, int debug_mode,  in perform_setup()  argument
534 	if(!daemon_privileged(daemon))  in perform_setup()
548 	(void)setup_sslctxs(daemon, cfg);  in perform_setup()
572 			daemon->pidfile = strdup(cfg->pidfile);  in perform_setup()
573 		else	daemon->pidfile = fname_after_chroot(cfg->pidfile,   in perform_setup()
575 		if(!daemon->pidfile)  in perform_setup()
585 			checkoldpid(daemon->pidfile, pidinchroot);  in perform_setup()
597 		writepid(daemon->pidfile, getpid());  in perform_setup()
600 	(void)daemon;  in perform_setup()
641 		if(daemon->pidfile && daemon->pidfile[0] &&   in perform_setup()
642 			strncmp(daemon->pidfile, cfg->chrootdir,  in perform_setup()
644 			char* old = daemon->pidfile;  in perform_setup()
645 			daemon->pidfile = strdup(old+strlen(cfg->chrootdir));  in perform_setup()
647 			if(!daemon->pidfile)  in perform_setup()
650 		daemon->chroot = strdup(cfg->chrootdir);  in perform_setup()
651 		if(!daemon->chroot)  in perform_setup()
652 			log_err("out of memory in daemon chroot dir storage");  in perform_setup()
711 	daemon->cfgfile = strdup(*cfgfile);  in perform_setup()
712 	if(!daemon->cfgfile)  in perform_setup()
713 		fatal_exit("out of memory in daemon cfgfile strdup");  in perform_setup()
717  * Run the daemon. 
728 	struct daemon* daemon = NULL;  in run_daemon()  local
731 	if(!(daemon = daemon_init()))  in run_daemon()
733 	while(!daemon->need_to_exit) {  in run_daemon()
741 		if(!config_read(cfg, cfgfile, daemon->chroot)) {  in run_daemon()
750 		apply_settings(daemon, cfg, cmdline_verbose, debug_mode);  in run_daemon()
755 		if(!daemon_open_shared_ports(daemon))  in run_daemon()
758 			perform_setup(daemon, cfg, debug_mode, &cfgfile, need_pidfile);  in run_daemon()
766 		daemon_fork(daemon);  in run_daemon()
770 		daemon_cleanup(daemon);  in run_daemon()
776 	if(daemon->pidfile) {  in run_daemon()
779 		fd = open(daemon->pidfile, O_WRONLY | O_TRUNC  in run_daemon()
787 		unlink(daemon->pidfile);  in run_daemon()
789 	daemon_delete(daemon);  in run_daemon()