#!/bin/sh

. /etc/rc.subr

name="vpnall"
load_rc_config $name

start_cmd="vpnall_start"
stop_cmd="vpnall_stop"
status_cmd="vpnall_status"
extra_commands="status"

interrupt() {
	echo "Interrupted..."
	exit 1
}

vpnall_start() {
	OLDROUTE=`route -n get -net default | grep gateway: | awk '{print $2}'`

	PID=`pgrep -f "ppp -auto vpn"`
	if [ $? -eq 0 ]; then
		echo "PPP already running?"
		ps -p $PID
		exit 1
	fi

	echo "Old route: $OLDROUTE"
	echo "$OLDROUTE" > /var/run/vpn.oldroute
	route delete -net default
	route add 129.21.61.7 $OLDROUTE

	ppp -auto vpn

	ping -c 1 192.168.10.1 > /dev/null 2>&1
	while [ $? -ne 0 ]; do
		trap interrupt int 
		echo "Waiting on ppp to come up..."
		ping -c 1 192.168.10.1 > /dev/null 2>&1
	done

	route add -net default 192.168.10.1
}

vpnall_stop() {
	PID=`pgrep -f "ppp -auto vpn"`
	
	if [ $? -eq 0 ]; then
		if [ -z "$PID" ]; then
			echo "vpnall not running";
		fi

		echo "Killing pid $PID"
		ps -p $PID | grep "$PID"
		kill -TERM $PID
	fi

	if [ -f /var/run/vpn.oldroute ]; then
		route delete -net default
		route add -net default `cat /var/run/vpn.oldroute`
		rm /var/run/vpn.oldroute
	fi
}

vpnall_status() {
	PID=`pgrep -f "ppp -auto vpn"`
	ping -c 1 -t 1 192.168.10.1 > /dev/null 2>&1
	ALIVE=$?

	if [ "$ALIVE" -eq 0 ]; then
		echo "vpn is: up (192.168.10.1 is alive)"
		ROUTE=`route get -net default | grep gateway: | awk '{print $2}'`
		echo "Default route is: $ROUTE"
		if [ "$ROUTE" = "192.168.10.1" ]; then
			echo "* All traffic will be going through the vpn"
		else 
			echo "* Note: We are not tunneling all traffic through the vpn"
		fi
	else
		if [ ! -z "$PID" ]; then
			echo "vpn is: down (can't ping 192.168.10.1)"
		else
			echo "vpn is: not running (ppp is not running)"
		fi
	fi
}

run_rc_command "$1"