Make netmount look up services for file systems

The tmpfiles "d" entry will create a full path and only the last dir in
the path will have its SELinux label set correctly. This patch will
restorecon the parents as well so that the selinux labels are correct.

eg, "d /run/libvirt/lxc", then "lxc" would have the correct SELinux
label but "libvirt" would not.

Signed-off-by: Jason Zaman <jason@perfinion.com>

Makefile.inc

@@ -1,3 +1,3 @@
 NAME=		openrc
-VERSION=	0.17
+VERSION=	0.18
 PKG=		${NAME}-${VERSION}

init.d/netmount.in

@@ -4,11 +4,24 @@
 
 description="Mounts network shares according to /etc/fstab."
 
+get_fs_services()
+{
+	local fsclient fstype list=$(ls $RC_LIBEXECDIR/netfs/*) services
+	local x
+	for x in $list; do
+		fstype=${x##*/}
+		fstabinfo -q -t ${fstype} && services="${services} $(cat x)"
+	done
+	printf "%s\n" $services
+	}
+
 depend()
 {
 	config /etc/fstab
 	use afc-client amd nfsclient autofs openvpn
 	use dns
+	local fs_services ="$(get_fs_services)"
+	[ -n "$fs_services" ] && use $fs_services
 	keyword -jail -prefix -systemd-nspawn -vserver -lxc
 }
 

init.d/savecache.in

@@ -30,7 +30,7 @@ start()
 			if yesno "${RC_GOINGDOWN}"; then
 				rc=0
 			fi
-			eend $rc "Unable to create $RC_SVCDIR/cache"
+			eend $rc "Unable to create $RC_LIBEXECDIR/cache"
 			return $rc
 		fi
 	fi

sh/tmpfiles.sh.in

@@ -53,10 +53,18 @@ relabel() {
 	done
 }
 
+splitpath() {
+    local path=$1
+    while [ -n "$path" ]; do
+        echo $path
+        path=${path%/*}
+    done
+}
+
 _restorecon() {
     local path=$1
     if [ -x /sbin/restorecon ]; then
-        dryrun_or_real restorecon -F "$path"
+        dryrun_or_real restorecon -F $(splitpath "$path")
     fi
 }
 
@@ -122,6 +130,7 @@ _d() {
 
 	if [ ! -d "$path" ]; then
 		dryrun_or_real mkdir -p "$path" 2>/dev/null
+		_restorecon "$path"
 		dryrun_or_real $CHECKPATH -dq -m "$mode" -o "$uid:$gid" "$path"
 	fi
 }
@@ -137,10 +146,18 @@ _D() {
 
 	if [ $CREATE -gt 0 ]; then
 		dryrun_or_real mkdir -p "$path" 2>/dev/null
+		_restorecon "$path"
 		dryrun_or_real $CHECKPATH -Dq -m "$mode" -o "$uid:$gid" "$path"
 	fi
 }
 
+_v() {
+	# Create a subvolume if the path does not exist yet and the file system
+	# supports this (btrfs). Otherwise create a normal directory.
+	# TODO: Implement btrfs subvol creation.
+	_d "$@"
+}
+
 _L() {
 	# Create a symlink if it doesn't exist yet
 	local path=$1 mode=$2 uid=$3 gid=$4 age=$5 arg=$6
@@ -336,7 +353,7 @@ for FILE in $tmpfiles_d ; do
 
 		# whine about invalid entries
 		case $cmd in
-			f|F|w|d|D|p|L|c|C|b|x|X|r|R|z|Z) ;;
+			f|F|w|d|D|v|p|L|c|C|b|x|X|r|R|z|Z) ;;
 			*) warninvalid ; continue ;;
 		esac
 
@@ -344,7 +361,7 @@ for FILE in $tmpfiles_d ; do
 		if [ "$mode" = '-' -o "$mode" = '' ]; then
 			case "$cmd" in
 				p|f|F) mode=0644 ;;
-				d|D) mode=0755 ;;
+				d|D|v) mode=0755 ;;
 				C|z|Z|x|r|R|L) ;;
 			esac
 		fi

src/rc/mountinfo.c

@@ -347,7 +347,7 @@ get_regex(const char *string)
 
 #include "_usage.h"
 #define extraopts "[mount1] [mount2] ..."
-#define getoptstring "f:F:n:N:o:O:p:P:ist" getoptstring_COMMON
+#define getoptstring "f:F:n:N:o:O:p:P:iste:E:" getoptstring_COMMON
 static const struct option longopts[] = {
 	{ "fstype-regex",        1, NULL, 'f'},
 	{ "skip-fstype-regex",   1, NULL, 'F'},

src/rc/rc-misc.c

@@ -66,6 +66,7 @@ static const char *const env_whitelist[] = {
 	"LC_MONETARY", "LC_MESSAGES", "LC_PAPER", "LC_NAME", "LC_ADDRESS",
 	"LC_TELEPHONE", "LC_MEASUREMENT", "LC_IDENTIFICATION", "LC_ALL",
 	"IN_HOTPLUG", "IN_BACKGROUND", "RC_INTERFACE_KEEP_CONFIG",
+	"EERROR_QUIET", "EINFO_QUIET",
 	NULL
 };