main/pingu: add support for static route rules

Users can add static route rules in /etc/pingu/route-rules
The rules will be added when startup and removed when stop

1 files changed, 25 insertions, 0 deletions

diff --git a/main/pingu/pingu.initd b/main/pingu/pingu.initd
index a7a6bef369..47353e79f1 100644
--- a/main/pingu/pingu.initd
+++ b/main/pingu/pingu.initd
@@ -4,8 +4,33 @@ description="MultiISP load balancing and failover"
 command=/usr/sbin/pingu
 command_args="-d"
 pidfile=/var/run/pingu/pingu.pid
+route_rules=/etc/pingu/route-rules
+rundir=${pidfile%/*}
 
 depend() {
 	need net
 	after firewall
 }
+
+start_pre() {
+	if ! [ -f "$route_rules" ]; then
+		return 0
+	fi
+	sed -e 's/\#.*//' -e '/^$/d' "$route_rules" | while read line; do
+		ebegin "Adding route rule: $line"
+		ip rule add $line && echo $line >> $rundir/route-rules
+		eend
+	done
+}
+
+stop_post() {
+	if ! [ -f "$rundir"/route-rules ]; then
+		return 0
+	fi
+	while read line; do
+		ebegin "Removing route rule: $line"
+		ip rule del $line
+		eend
+	done < "$rundir"/route-rules
+	rm "$rundir"/route-rules
+}