#!/bin/sh
# pppd ip-up script for all-to-tunnel routing

# address of tunnel server
SERVER=$5
if [ "${SERVER}" = "" ]; then SERVER=${PPP_REMOTE}; fi

PRIMARY=`/sbin/route -n|awk '/^0\.0\.0\.0/ {print $8}'`
echo "$PRIMARY" > /tmp/default_interface
#echo "Interface $PRIMARY"

# provided by pppd: string to identify connection aka ipparam option
CONNECTION=$6
if [ "${CONNECTION}" = "" ]; then CONNECTION=${PPP_IPPARAM}; fi

# provided by pppd: interface name
TUNNEL=$1
if [ "${TUNNEL}" = "" ]; then TUNNEL=${PPP_IFACE}; fi

# if we are being called as part of the tunnel startup
if [ "${CONNECTION}" = "tunnel" ] ; then
	# direct tunnelled packets to the tunnel server
	route add -host ${SERVER} dev ${PRIMARY}
	
	# direct all other packets into the tunnel
	route del default ${PRIMARY}
	route add default dev ${PPP_IFACE}
fi