support for owner/group permissions in tmpfiles

rc.in

@@ -14,6 +14,9 @@ cfg_mounts+=( 'shm:tmpfs:/dev/shm:defaults,mode=0777' )
 # Some temporary directories
 cfg_tmpdirs+=( '/run/lock' '/run/lock/lvm' '/run/lvm' '/run/user' )
 
+# And temporary files
+cfg_tmpfiles+=( '/run/utmp' )
+
 # Functions
 rc.rescue() { exec "${cfg_rc_rescue_shell:-"$SHELL"}"; }
 
@@ -27,8 +30,16 @@ rc.motd() {
 	return 0
 }
 
-rc.tmpdirs() {
-	mkdir -p -m0755 "${cfg_tmpdirs[@]}"
+rc.tmpfiles() {
+	printf '%s\n' "${cfg_tmpdirs[@]}" | while IFS=':' read dir perm own grp; do
+		install -v -d -m "${perm:-755}" -o "${own:-root}" -g "${grp:-root}" "$dir" 2>/dev/null
+	done
+
+	printf '%s\n' "${cfg_tmpfiles[@]}" | while IFS=':' read file perm own grp; do
+		> "$file"
+		chmod -c "${perm:-644}" "$file"
+		chown -c "${own:-root}:${grp:-root}" "$file"
+	done
 }
 
 rc.mount_misc() {
@@ -104,7 +115,7 @@ rc.stop_everything() {
 
 rc.unmount_everything() {
 	echo "Unmounting filesystems..."
-	umount -a
+	umount -r -a
 }
 
 rc.remount_root() {
@@ -114,7 +125,6 @@ rc.remount_root() {
 
 rc.boot() {
 	rc.mount_misc
-	rc.tmpdirs
 	rc.tmpfiles
 	rc.hostname
 	rc.timezone
@@ -160,10 +170,6 @@ rc.timezone() {
 	}
 }
 
-rc.tmpfiles() {
-	>/run/utmp
-}
-
 rc.main() {
 	source "@ETC@/rc.conf"