#!/bin/sh
# $USAGI: iptunnel.sh,v 1.1.4.1 2002/03/28 16:15:17 yoshfuji Exp $

# Copyright (C) 2001 USAGI/WIDE Project.
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. Neither the name of the project nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

iptunnel=/usr/local/v6/sbin/iptunnel
iptunnel_config=/etc/network/iptunnel

ifconfig=/sbin/ifconfig

if [ -f $iptunnel_config ]; then
	. $iptunnel_config
fi

case $1 in
	start)
		echo -n "Creating tunnels:"
		;;
	stop)
		echo -n "Deleting tunnels:"
		;;
	show)
		;;
	*)
		echo "$0 {start|stop}"
		exit 1
		;;
esac

for tunl in $iptunnel_ifaces; do
	iptunnel_options=""
	for parm in mode remote local ttl tos dev; do
		eval iptunnel_parm=\$iptunnel_${tunl}_${parm}
		if [ x"$iptunnel_parm" != x"" ]; then
			iptunnel_options="$iptunnel_options ${parm} $iptunnel_parm"
		fi
	done

	eval iptunnel_up=\$iptunnel_${tunl}_up

	case $1 in
	start)
		echo -n " $tunl"
		if [ x"$iptunnel_options" != x"" ]; then
			$iptunnel add $tunl $iptunnel_options
		fi
		if [ x"$iptunnel_up" = x"yes" ]; then 
			$ifconfig $tunl up
		fi
		;;
	stop)
		echo -n " $tunl"
		if [ x"$iptunnel_up" = x"yes" ]; then
			$ifconfig $tunl down
		fi
		if [ x"$iptunnel_options" != x"" ]; then
			$iptunnel del $tunl $iptunnel_options
		fi
		;;
	show)
		$iptunnel show $tunl
		;;
	esac
done

case $1 in
start|stop)
	echo "."
	;;
esac

exit 0

