Add a script_name_sep rc.conf knob to specify the IFS character

for separating the startup scripts' list into individual filenames.

Run the shutdown scripts in reverse alphabetical order, so dependent
services are stopped before the services they depend upon.

Reviewed by:	-arch, -audit
MFC after:	3 weeks

1 files changed, 12 insertions, 5 deletions

diff --git a/etc/rc b/etc/rc
index bc8c915..e77b260 100644
--- a/etc/rc
+++ b/etc/rc
@@ -793,17 +793,24 @@ case ${local_startup} in
 	;;
 *)
 	echo -n 'Local package initialization:'
+	slist=""
 	for dir in ${local_startup}; do
 		if [ -d "${dir}" ]; then
 			for script in ${dir}/*.sh; do
-				if [ -x "${script}" ]; then
-					(set -T
-					 trap 'exit 1' 2
-					 ${script} start)
-				fi
+				slist="${slist}${script_name_sep}${script}"
 			done
 		fi
 	done
+	script_save_sep="$IFS"
+	IFS="${script_name_sep}"
+	for script in ${slist}; do
+		if [ -x "${script}" ]; then
+			(set -T
+			trap 'exit 1' 2
+			${script} start)
+		fi
+	done
+	IFS="${script_save_sep}"
 	echo '.'
 	;;
 esac