update unbound from upstream

1 files changed, 18 insertions, 29 deletions

diff --git a/external/unbound/daemon/unbound.c b/external/unbound/daemon/unbound.c
index 5ded5a964..8e07c3895 100644
--- a/external/unbound/daemon/unbound.c
+++ b/external/unbound/daemon/unbound.c
@@ -443,18 +443,10 @@ perform_setup(struct daemon* daemon, struct config_file* cfg, int debug_mode,
 {
 #ifdef HAVE_GETPWNAM
 	struct passwd *pwd = NULL;
-	uid_t uid;
-	gid_t gid;
-	/* initialize, but not to 0 (root) */
-	memset(&uid, 112, sizeof(uid));
-	memset(&gid, 112, sizeof(gid));
-	log_assert(cfg);
 
 	if(cfg->username && cfg->username[0]) {
 		if((pwd = getpwnam(cfg->username)) == NULL)
 			fatal_exit("user '%s' does not exist.", cfg->username);
-		uid = pwd->pw_uid;
-		gid = pwd->pw_gid;
 		/* endpwent below, in case we need pwd for setusercontext */
 	}
 #endif
@@ -511,33 +503,28 @@ perform_setup(struct daemon* daemon, struct config_file* cfg, int debug_mode,
 #ifdef HAVE_KILL
 	if(cfg->pidfile && cfg->pidfile[0]) {
 		writepid(daemon->pidfile, getpid());
-		if(!(cfg->chrootdir && cfg->chrootdir[0]) || 
-			(cfg->chrootdir && cfg->chrootdir[0] && 
-			strncmp(daemon->pidfile, cfg->chrootdir, 
-			strlen(cfg->chrootdir))==0)) {
-			/* delete of pidfile could potentially work,
-			 * chown to get permissions */
-			if(cfg->username && cfg->username[0]) {
-			  if(chown(daemon->pidfile, uid, gid) == -1) {
+		if(cfg->username && cfg->username[0] && cfg_uid != (uid_t)-1) {
+#  ifdef HAVE_CHOWN
+			if(chown(daemon->pidfile, cfg_uid, cfg_gid) == -1) {
 				log_err("cannot chown %u.%u %s: %s",
-					(unsigned)uid, (unsigned)gid,
+					(unsigned)cfg_uid, (unsigned)cfg_gid,
 					daemon->pidfile, strerror(errno));
-			  }
 			}
+#  endif /* HAVE_CHOWN */
 		}
 	}
 #else
 	(void)daemon;
-#endif
+#endif /* HAVE_KILL */
 
 	/* Set user context */
 #ifdef HAVE_GETPWNAM
-	if(cfg->username && cfg->username[0]) {
+	if(cfg->username && cfg->username[0] && cfg_uid != (uid_t)-1) {
 #ifdef HAVE_SETUSERCONTEXT
 		/* setusercontext does initgroups, setuid, setgid, and
 		 * also resource limits from login config, but we
 		 * still call setresuid, setresgid to be sure to set all uid*/
-		if(setusercontext(NULL, pwd, uid, (unsigned)
+		if(setusercontext(NULL, pwd, cfg_uid, (unsigned)
 			LOGIN_SETALL & ~LOGIN_SETUSER & ~LOGIN_SETGROUP) != 0)
 			log_warn("unable to setusercontext %s: %s",
 				cfg->username, strerror(errno));
@@ -599,29 +586,29 @@ perform_setup(struct daemon* daemon, struct config_file* cfg, int debug_mode,
 
 	/* drop permissions after chroot, getpwnam, pidfile, syslog done*/
 #ifdef HAVE_GETPWNAM
-	if(cfg->username && cfg->username[0]) {
+	if(cfg->username && cfg->username[0] && cfg_uid != (uid_t)-1) {
 #  ifdef HAVE_INITGROUPS
-		if(initgroups(cfg->username, gid) != 0)
+		if(initgroups(cfg->username, cfg_gid) != 0)
 			log_warn("unable to initgroups %s: %s",
 				cfg->username, strerror(errno));
 #  endif /* HAVE_INITGROUPS */
 		endpwent();
 
 #ifdef HAVE_SETRESGID
-		if(setresgid(gid,gid,gid) != 0)
+		if(setresgid(cfg_gid,cfg_gid,cfg_gid) != 0)
 #elif defined(HAVE_SETREGID) && !defined(DARWIN_BROKEN_SETREUID)
-		if(setregid(gid,gid) != 0)
+		if(setregid(cfg_gid,cfg_gid) != 0)
 #else /* use setgid */
-		if(setgid(gid) != 0)
+		if(setgid(cfg_gid) != 0)
 #endif /* HAVE_SETRESGID */
 			fatal_exit("unable to set group id of %s: %s", 
 				cfg->username, strerror(errno));
 #ifdef HAVE_SETRESUID
-		if(setresuid(uid,uid,uid) != 0)
+		if(setresuid(cfg_uid,cfg_uid,cfg_uid) != 0)
 #elif defined(HAVE_SETREUID) && !defined(DARWIN_BROKEN_SETREUID)
-		if(setreuid(uid,uid) != 0)
+		if(setreuid(cfg_uid,cfg_uid) != 0)
 #else /* use setuid */
-		if(setuid(uid) != 0)
+		if(setuid(cfg_uid) != 0)
 #endif /* HAVE_SETRESUID */
 			fatal_exit("unable to set user id of %s: %s", 
 				cfg->username, strerror(errno));
@@ -666,6 +653,8 @@ run_daemon(const char* cfgfile, int cmdline_verbose, int debug_mode)
 			log_warn("Continuing with default config settings");
 		}
 		apply_settings(daemon, cfg, cmdline_verbose, debug_mode);
+		if(!done_setup)
+			config_lookup_uid(cfg);
 	
 		/* prepare */
 		if(!daemon_open_shared_ports(daemon))