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grizzly priv zipgateway.tun
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priv/zipgateway.tun

#!/bin/sh
# This script brings the tuntap interface up and routes the
# Z-Wave PAN via the Z-Wave gateway's IP address.
ROUTING_PID="/tmp/zipgateway.routing.pid"
case "$1" in
up)
ip link set dev $TUNDEV up
ip addr add fd00:aaaa::2 dev $TUNDEV
if [ -f $ROUTING_PID ]; then
kill -9 $(cat $ROUTING_PID)
rm -f $ROUTING_PID
fi
sh -c "while true; do
$PIDOF zipgateway || break;
ip -6 route del $HANPREFIX > /dev/null 2>&1
ip -6 route add $HANPREFIX via $LANIP dev $TUNDEV > /dev/null 2>&1
if [ \$? -eq 2 ]; then
sleep 5;
continue;
else
break;
fi;
done;" &
echo $! > $ROUTING_PID
exit 0
;;
down)
ip -6 route del $HANPREFIX via $LANIP
;;
esac