Guard against bad service name argument(s) to load_rc_config()

MFC after: 3 days X-MFC-to: stable/11 stable/10
2016-10-16 20:59:28 +00:00 · 2016-10-16 20:59:28 +00:00 · bd8d6400f7
commit bd8d6400f7
parent 6a4985f61c
1 changed files with 3 additions and 1 deletions
--- a/usr.sbin/bsdconfig/share/sysrc.subr
+++ b/usr.sbin/bsdconfig/share/sysrc.subr
@ -256,7 +256,9 @@ f_sysrc_service_configs()
 			last_name=
 			print_name() {
 				local name="$1"
-				[ "$name" = "$last_name" ] && return
+				case "$name" in
+				""|.|..|*/*|"$last_name") return ;;
+				esac
 				echo "$name" >&9
 				last_name="$name"
 			}