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

etc/defaults/rc.conf

@@ -31,6 +31,7 @@ pccardd_flags=""	# Additional flags for pccardd.
 pccard_conf="/etc/defaults/pccard.conf"	# pccardd(8) config file
 removable_interfaces=""	# Removable network interfaces for /etc/pccard_ether.
 local_startup="/usr/local/etc/rc.d /usr/X11R6/etc/rc.d"	# startup script dirs.
+script_name_sep=" "	# Change if your startup scripts' names contain spaces
 rc_conf_files="/etc/rc.conf /etc/rc.conf.local"
 fsck_y_enable="NO" 	# Set to YES to do fsck -y if the initial preen fails.
 background_fsck="YES"	# Attempt to run fsck in the background where possible.

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

etc/rc.shutdown

@@ -102,17 +102,24 @@ case ${local_startup} in
 [Nn][Oo] | '')
 	;;
 *)
+	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
-					 ${script} stop)
-				fi
+				slist="${script}${script_name_sep}${slist}"
 			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
+			${script} stop)
+		fi
+	done
+	IFS="${script_save_sep}"
 	echo '.'
 	;;
 esac

share/man/man5/rc.conf.5

@@ -146,6 +146,13 @@ List of removable network interfaces to be supported by
 .It Va local_startup
 .Pq Vt str
 List of directories to search for startup script files.
+.It Va script_name_sep
+.Pq Vt str
+The field separator to use for breaking down the list of startup script files
+into individual filenames.
+The default is a space.
+You do not need to change this unless you have startup scripts with names
+containing spaces.
 .It Va hostname
 .Pq Vt str
 The Fully Qualified Domain Name of your host on the network.