#!/bin/sh

export PATH=/sbin:/bin:/usr/sbin:/usr/bin:/mod/sbin:/mod/bin:/mod/usr/sbin:/mod/usr/bin
export LD_LIBRARY_PATH=/mod/lib:/mod/usr/lib

DAEMON=openvpn

case "$1" in
	""|load|start|restart)
		if [ ! -r "/mod/etc/conf/$DAEMON-lzo.cfg" ]; then
			echo "Error[$DAEMON]: not configured" 1>&2
			exit 1
		fi

		. /mod/etc/conf/$DAEMON-lzo.cfg
		;;
esac

start() {
	if [ ! -e "/tmp/flash/static.key" ]; then
		echo "Creating static.key"
		openvpn --genkey --secret /tmp/flash/static.key
		/usr/bin/modsave flash
	fi
	
	{
		if [ -x "/tmp/flash/${DAEMON}-lzo_conf" ]; then
			/tmp/flash/${DAEMON}-lzo_conf
		else
			/mod/etc/default.$DAEMON-lzo/${DAEMON}-lzo_conf
		fi

		if [ -r "/tmp/flash/${DAEMON}-lzo.extra" ]; then
			cat /tmp/flash/${DAEMON}-lzo.extra
		fi
	} > /mod/etc/$DAEMON-lzo.conf

	echo -n 'Starting OpenVPN ...'

	$DAEMON --config /mod/etc/${DAEMON}-lzo.conf --writepid /var/run/${DAEMON}-lzo.pid
	exitval=$?
	if [ "$exitval" -eq 0 ]; then
		echo 'done.'
	else
		echo 'failed.'
		exit $exitval
	fi
}

stop() {
	
	if [ ! -z "$(pidof $DAEMON)" ];then

		echo -n 'Stopping OpenVPN...'
		killall $DAEMON > /dev/null 2>&1
		exitval=$?

		if [ "$exitval" -eq 0 ]; then
			echo 'done.'
		else
			echo 'failed.'
			exit $exitval
		fi

	fi
	
	rm -f /mod/etc/$DAEMON-lzo.conf
	rm -f /var/run/$DAEMON-lzo.pid

}


case "$1" in
        ""|load)
		modreg cgi 'openvpn-lzo' 'OpenVPN'

		deffile='/mod/etc/default.openvpn-lzo/box_crt.def'
		[ -r "/tmp/flash/box_crt.def" ] && deffile='/tmp/flash/box_crt.def'
		modreg file 'box_crt' 'Box Cert' 0 "$deffile"

		deffile='/mod/etc/default.openvpn-lzo/box_key.def'
		[ -r "/tmp/flash/box_key.def" ] && deffile='/tmp/flash/box_key.def'
		modreg file 'box_key' 'Private Key' 0 "$deffile"

		deffile='/mod/etc/default.openvpn-lzo/ca_crt.def'
		[ -r "/tmp/flash/ca_crt.def" ] && deffile='/tmp/flash/ca_crt.def'
		modreg file 'ca_crt' 'CA Cert' 0 "$deffile"

		deffile='/mod/etc/default.openvpn-lzo/crl_pem.def'
		[ -r "/tmp/flash/crl_pem.def" ] && deffile='/tmp/flash/crl_pem.def'
		modreg file 'crl_pem' 'CRL' 0 "$deffile"
		
		deffile='/mod/etc/default.openvpn-lzo/dh_pem.def'
		[ -r "/tmp/flash/dh_pem.def" ] && deffile='/tmp/flash/dh_pem.def'
		modreg file 'dh_pem' 'DH Param' 0 "$deffile"

		deffile='/mod/etc/default.openvpn-lzo/static_key.def'
		[ -r "/tmp/flash/static_key.def" ] && deffile='/tmp/flash/static_key.def'
		modreg file 'static_key' 'Static Key' 0 "$deffile"

		if [ "$OPENVPN_LZO_ENABLED" != "yes" ]; then
			echo "$DAEMON is disabled" 1>&2
			exit 1;
		fi

		if [ -e "/var/run/$DAEMON-lzo.pid" ]; then
			echo "$DAEMON already started."
		else
			start
		fi
		;;
	unload)
		stop
		modunreg file 'box_crt'
		modunreg file 'box_key'
		modunreg file 'ca_crt'
		modunreg file 'crl_pem'
		modunreg file 'dh_pem'
		modunreg file 'static_key'
		modunreg cgi 'openvpn-lzo'
		;;
	start)
		start
		;;
	stop)
		stop
		;;
	restart)
		stop
		sleep 1
		start
		;;
	reload)
		if [ -r "/var/run/openvpn-lzo.pid" ]; then
			kill -HUP `cat /var/run/openvpn-lzo.pid`
		fi
		;;
	status)
		if [ -z "$(pidof "$DAEMON")" ]; then
			echo 'stopped'
		else
			echo 'running'
		fi
		;;
	*)
		echo "Usage: $0 [load|unload|start|stop|restart|reload|status]" 1>&2
		exit 1
		;;

esac

exit 0