vpn.sh

#!/bin/bash
oldgw=10.211.55.1
vpngw=10.100.0.1
function xxtest () {
	ifconfig|grep $1&&return 1
	return 0
}

function xxcon () {
	poff
	route del default gw $oldgw
	route del default gw $vpngw
	route add default gw $oldgw
	pon inebium
	echo "connecting"
	until [[ `xxtest ppp0` ]]; do
		echo "..."
		sleep 1
	done
	echo "connected!"
	route del default gw $oldgw
	route del default gw $vpngw
	route add default gw $vpngw

}
function xxnet () {
	/etc/rc.d/network restart
	echo "restarting network"
	until [[ `xxtest eth0` ]]; do
		echo "..."
		sleep 1
	done
	echo "network restarted!"
}
while [[ 1 ]]; do
	xxtest eth0
	if [[ $? == 0 ]]; then
		xxnet
	fi
	xxtest ppp0
	if [[ $? == 0 ]]; then
		xxcon
		/etc/rc.d/dnsmasq restart
	fi	
	sleep 15
done