#!/sbin/runscript
# Copyright 1999-2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-misc/cisco-vpnclient-3des/files/vpnclient.rc,v 1.4 2004/03/06 03:29:17 vapier Exp $

opts="start stop status"

VPNCLIENT="/usr/bin/vpnclient"
VPNDEV="cipsec0"
VPNMOD="cisco_ipsec"

ID="`which id`"
if [ "$?" != "0" ]; then
    eerror "Failed: Unable to determine access level (can't find $HILITE id $NORMAL in \$PATH)."
    unset ID
    exit 1
fi
WHOAMI="`$ID -u`"

depend() {
	need net
}

start() {
	ebegin "Starting Cisco VPN Client"

	if [ -f /etc/resolv.conf.vpnbackup ]; then
		einfo "restoring /etc/resolv.conf"
		mv /etc/resolv.conf.vpnbackup /etc/resolv.conf
	fi

        if [ -d /lib/modules/preferred ]; then
                PC=/lib/modules/preferred/CiscoVPN
        else
                PC=/lib/modules/`uname -r`/CiscoVPN
        fi

        if [ -d $PC ] ; then
                /sbin/insmod ${PC}/${VPNMOD} >/dev/null 2>&1
                if [ "$?" != "0" ] ; then
                        eerror "Failed to load module ${VPNMOD}"
                        exit 1
                fi
        else
                eerror "module directory $PC not found."
                exit 1
        fi
	case "`uname -r`" in
		2.6.*)
		;;
		2.5.*)
		;;
		2.4.*)
		;;
		2.2.*)
		;;
		2.0.*)
			#
			# This is only needed due to a bug in 2.0.x kernels that affects
			# arp lookups.
			#
			ifconfig $VPNDEV 222.222.222.222 ;
			if [ "$?" != "0" ] ; then
				eerror "Failed (ifconfig)."
				/sbin/rmmod ${VPNMOD}
				exit 1
			fi
		;;
		*)
			eerror "Failed (unsupported Linux version)."
			/sbin/rmmod ${VPNMOD}
			exit 1
		;;
	esac
	eend $? 
}

stop() {
	ebegin "Stopping Cisco VPN Client"
	if [ -x $VPNCLIENT ]; then
		$VPNCLIENT disconnect > /dev/null 2>&1
	fi
	/sbin/lsmod | grep -q "${VPNMOD}"
	if [ "$?" != "0" ] ; then 
		eerror "Failed: module ${VPNMOD} is not running."
		exit 1
	fi
	/sbin/ifconfig $VPNDEV down
	if [ "$?" != "0" ] ; then
		eerror "Failed (ifconfig)."
		exit 1
	fi
	/sbin/rmmod ${VPNMOD}
	if [ "$?" != "0" ] ; then
		eerror "Failed (rmmod)."
		exit 1
	fi
	eend $?
}

status() {
	/sbin/lsmod | egrep 'Module'
	/sbin/lsmod | egrep "${VPNMOD}"
	if [ "$?" != "0" ] ; then
		echo
		eerror "Failed (lsmod ${VPNMOD}): the VPN module is not loaded."
		exit 1
	fi
	echo
	/sbin/ifconfig $VPNDEV
	if [ "$?" != "0" ] ; then
		echo
		eerror "Failed (ifconfig ${VPNDEV}): the virtual interface is not present."
		exit 1
	fi
}