#!/bin/sh
#
# Script for starting and stoping vtund.
#
# chkconfig: 345 55 45
# description: vtund Virtual Tunnel Daemon.
#    VTun provides the method for creating Virtual Tunnels over TCP/IP networks
#    and allows to shape, compress, encrypt traffic in that tunnels.

# Source function library.
. /etc/rc.d/init.d/functions

# Get network config
. /etc/sysconfig/network

# Check that networking is up.
if is_no "${NETWORKING}"; then
        msg_Network_Down Vtund
        exit 1
fi

# Get service config
[ -f /etc/sysconfig/vtun ] && . /etc/sysconfig/vtun

err_exit() {
    echo @$
    exit 1
}

[ -n "$VTUND_MODE" ] || err_exit "VTUND_MODE not set"

VTUND_OPTS="$VTUND_OPTS -f $VTUND_CONF"
    
if [ $VTUND_MODE = "server" ]; then
    VTUND_OPTS="$VTUND_OPTS -s"
	
elif [ $VTUND_MODE = "client" ]; then
    [ -n "$VTUND_SESSION" ] || err_exit "VTUND_SESSION not set"
    [ -n "$VTUND_SERVER_ADDR" ] || err_exit "VTUND_SERVER_ADDR not set"
    [ -n "$VTUND_PORT" ] && VTUND_OPTS="$VTUND_OPTS -P $VTUND_PORT"
    VTUND_OPTS="$VTUND_OPTS $VTUND_SESSION $VTUND_SERVER_ADDR"

else 
    err_exit "Invalid VTUND_MODE ($VTUND_MODE), should be set to \"server\" or \"client\""
fi


# See how we were called.
case "$1" in
  start)
        # Check if the service is already running?
        if [ ! -f /var/lock/subsys/vtund ]; then
                msg_starting Vtund
                daemon vtund $VTUND_OPTS
                RETVAL=$?
                [ $RETVAL -eq 0 ] && touch /var/lock/subsys/vtund
        else
                msg_Already_Running Vtund
                exit 1
        fi
																				
        ;;
  stop)
        # Stop daemons.
	if [ -f /var/lock/subsys/vtund ]; then
	        msg_stopping Vtund
	        killproc vtund
	        rm -f /var/lock/subsys/vtund >/dev/null 2>&1
	else
                msg_Not_Running Vtund
                exit 1
        fi
        ;;
  restart)
	$0 stop
	$0 start
        ;;
  status)
        status vtund
	exit $?
        ;;
  *)
        msg_Usage "$0 {start|stop|restart|status}"
        exit 1
esac

exit $RETVAL