shorewall_code/STABLE/fallback.sh
2003-05-20 23:21:38 +00:00

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#!/bin/sh
#
# Script to back out the installation of Shoreline Firewall and to restore the previous version of
# the program
#
# This program is under GPL [http://www.gnu.org/copyleft/gpl.htm]
#
# (c) 2001,2002,2003 - Tom Eastep (teastep@shorewall.net)
#
# Shorewall documentation is available at http://seattlefirewall.dyndns.org
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of Version 2 of the GNU General Public License
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA
#
# Usage:
#
# You may only use this script to back out the installation of the version
# shown below. Simply run this script to revert to your prior version of
# Shoreline Firewall.
VERSION=1.4.3a
usage() # $1 = exit status
{
echo "usage: `basename $0`"
exit $1
}
restore_file() # $1 = file to restore
{
if [ -f ${1}-${VERSION}.bkout -o -L ${1}-${VERSION}.bkout ]; then
if (mv -f ${1}-${VERSION}.bkout $1); then
echo
echo "$1 restored"
else
echo "ERROR: Could not restore $1"
exit 1
fi
fi
}
if [ ! -f /usr/share/shorewall/version-${VERSION}.bkout ]; then
echo "Shorewall Version $VERSION is not installed"
exit 1
fi
echo "Backing Out Installation of Shorewall $VERSION"
if [ -L /usr/share/shorewall/init ]; then
FIREWALL=`ls -l /usr/share/shorewall/firewall | sed 's/^.*> //'`
restore_file $FIREWALL
restore_file /usr/share/shorewall/firewall
elif [ -L /usr/lib/shorewall/firewall ]; then
FIREWALL=`ls -l /usr/lib/shorewall/firewall | sed 's/^.*> //'`
restore_file $FIREWALL
elif [ -L /var/lib/shorewall/firewall ]; then
FIREWALL=`ls -l /var/lib/shorewall/firewall | sed 's/^.*> //'`
restore_file $FIREWALL
elif [ -L /usr/lib/shorewall/init ]; then
FIREWALL=`ls -l /usr/lib/shorewall/init | sed 's/^.*> //'`
restore_file $FIREWALL
restore_file /usr/lib/shorewall/firewall
fi
restore_file /sbin/shorewall
[ -f /etc/shorewall.conf.$VERSION ] && rm -f /etc/shorewall.conf.$VERSION
restore_file /etc/shorewall/shorewall.conf
restore_file /etc/shorewall/functions
restore_file /usr/lib/shorewall/functions
restore_file /var/lib/shorewall/functions
restore_file /usr/lib/shorewall/firewall
restore_file /etc/shorewall/common.def
restore_file /etc/shorewall/icmp.def
restore_file /etc/shorewall/zones
restore_file /etc/shorewall/policy
restore_file /etc/shorewall/interfaces
restore_file /etc/shorewall/hosts
restore_file /etc/shorewall/rules
restore_file /etc/shorewall/nat
restore_file /etc/shorewall/params
restore_file /etc/shorewall/proxyarp
restore_file /etc/shorewall/routestopped
restore_file /etc/shorewall/maclist
restore_file /etc/shorewall/masq
restore_file /etc/shorewall/modules
restore_file /etc/shorewall/tcrules
restore_file /etc/shorewall/tos
restore_file /etc/shorewall/tunnels
restore_file /etc/shorewall/blacklist
restore_file /etc/shorewall/whitelist
restore_file /etc/shorewall/rfc1918
restore_file /etc/shorewall/init
restore_file /etc/shorewall/start
restore_file /etc/shorewall/stop
restore_file /etc/shorewall/stopped
restore_file /etc/shorewall/ecn
if [ -f /usr/lib/shorewall/version-${VERSION}.bkout ]; then
restore_file /usr/lib/shorewall/version
oldversion="`cat /usr/lib/shorewall/version`"
elif [ -f /var/lib/shorewall/version-${VERSION}.bkout ]; then
restore_file /var/lib/shorewall/version
oldversion="`cat /var/lib/shorewall/version`"
else
restore_file /etc/shorewall/version
oldversion="`cat /etc/shorewall/version`"
fi
echo "Shorewall Restored to Version $oldversion"