#!/bin/sh
# Begin $rc_base/init.d/squid

. /etc/sysconfig/rc
. $rc_functions

transparent() {
		DEVICE=$1
		
		eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
		eval $(/usr/local/bin/readhash /var/ipfire/proxy/settings)
		
		# If the proxy port is not set we set the default to 800.
		if [ -z $PROXY_PORT ]; then
			PROXY_PORT=800
		fi

		LOCALIP=`cat /var/ipfire/red/local-ipaddress | tr -d \n`
		if [ -z $LOCALIP ]; then
			boot_mesg "Couldn't read local-ipaddress" ${FAILURE}
			exit 1
		fi

		COUNT=1
		FILE=/var/ipfire/vpn/config

		while read LINE; do
			let COUNT=$COUNT+1
			CONN_TYPE=`echo "$LINE" | awk -F, '{ print $5 }'`
			if [ "$CONN_TYPE" != "net" ]; then
				continue
			fi  
  		iptables -t nat -A SQUID -i $1 -p tcp -d `echo "$LINE" | awk -F, '{ print $13 }'` --dport 80 -j RETURN
		done < $FILE
		
		if [ "$RED_TYPE" == "STATIC" ]; then
			iptables -t nat -A SQUID -i $1 -p tcp -d $RED_NETADDRESS/$RED_NETMASK --dport 80 -j RETURN
		fi
		
		iptables -t nat -A SQUID -i $1 -p tcp -d $LOCALIP --dport 80 -j RETURN
		
		iptables -t nat -A SQUID -i $1 -p tcp --dport 80 -j REDIRECT --to-port $PROXY_PORT
}

case "$1" in
	start)
		boot_mesg "Starting Squid Proxy Server..."
		
		if [ -e /var/ipfire/proxy/enable -o -e /var/ipfire/proxy/enable_blue ]; then
			loadproc /usr/sbin/squid -D -z >/dev/null 2>&1
			loadproc /usr/sbin/squid -D
		fi

		eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)

		if [ -e /var/ipfire/proxy/transparent ]; then
			transparent $GREEN_DEV
		fi
		if [ -e /var/ipfire/proxy/transparent_blue ]; then
			transparent $BLUE_DEV
		fi
		;;

	stop)
		boot_mesg "Stopping Squid Proxy Server..."
		iptables -t nat -F SQUID
		squid -k shutdown >/dev/null 2>&1
		evaluate_retval
		killproc /usr/sbin/squid >/dev/null
		killproc /usr/bin/squidGuard >/dev/null
		;;

	restart)
		$0 stop
		sleep 1
		$0 start
		;;

	status)
		statusproc /usr/sbin/squid
		statusproc /usr/lib/squid/unlinkd
		;;
		
	flush)
		$0 stop
		echo > /var/log/cache/swap.state
		chown squid.squid /var/log/cache/swap.state
		sleep 1
		$0 start
		;;

	*)
		echo "Usage: $0 {start|stop|restart|status|flush}"
		exit 1
		;;
esac

# End $rc_base/init.d/squid