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shorewall_code/Shorewall6/uninstall.sh
Tom Eastep eb3a162560 Apply Matt Darfeuille's fix for fatal_error()
Signed-off-by: Tom Eastep <teastep@shorewall.net>
2015-04-02 13:26:51 -07:00

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#!/bin/sh
#
# Script to back uninstall Shoreline Firewall 6
#
# (c) 2000-2011,2014 - Tom Eastep (teastep@shorewall.net)
#
# Shorewall documentation is available at http://www.shorewall.net
#
# This program is part of Shorewall.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by the
# Free Software Foundation, either version 2 of the license or, at your
# option, any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
#
# Usage:
#
# You may only use this script to uninstall the version
# shown below. Simply run this script to remove Shorewall Firewall
VERSION=xxx #The Build script inserts the actual version
PRODUCT=shorewall6
usage() # $1 = exit status
{
ME=$(basename $0)
echo "usage: $ME [ <shorewallrc file> ]"
exit $1
}
fatal_error()
{
echo " ERROR: $@" >&2
exit 1
}
qt()
{
"$@" >/dev/null 2>&1
}
split() {
local ifs
ifs=$IFS
IFS=:
set -- $1
echo $*
IFS=$ifs
}
mywhich() {
local dir
for dir in $(split $PATH); do
if [ -x $dir/$1 ]; then
return 0
fi
done
return 2
}
remove_file() # $1 = file to restore
{
if [ -f $1 -o -L $1 ] ; then
rm -f $1
echo "$1 Removed"
fi
}
finished=0
configure=1
while [ $finished -eq 0 ]; do
option=$1
case "$option" in
-*)
option=${option#-}
while [ -n "$option" ]; do
case $option in
h)
usage 0
;;
v)
echo "$Product Firewall Installer Version $VERSION"
exit 0
;;
n*)
configure=0
option=${option#n}
;;
*)
usage 1
;;
esac
done
shift
;;
*)
finished=1
;;
esac
done
#
# Read the RC file
#
if [ $# -eq 0 ]; then
if [ -f ./shorewallrc ]; then
. ./shorewallrc
elif [ -f ~/.shorewallrc ]; then
. ~/.shorewallrc || exit 1
file=./.shorewallrc
elif [ -f /usr/share/shorewall/shorewallrc ]; then
. /usr/share/shorewall/shorewallrc
else
fatal_error "No configuration file specified and /usr/share/shorewall/shorewallrc not found"
fi
elif [ $# -eq 1 ]; then
file=$1
case $file in
/*|.*)
;;
*)
file=./$file
;;
esac
. $file
else
usage 1
fi
if [ -f ${SHAREDIR}/shorewall6/version ]; then
INSTALLED_VERSION="$(cat ${SHAREDIR}/shorewall6/version)"
if [ "$INSTALLED_VERSION" != "$VERSION" ]; then
echo "WARNING: Shorewall6 Version $INSTALLED_VERSION is installed"
echo " and this is the $VERSION uninstaller."
VERSION="$INSTALLED_VERSION"
fi
else
echo "WARNING: Shorewall6 Version $VERSION is not installed"
VERSION=""
fi
echo "Uninstalling shorewall6 $VERSION"
[ -n "$SANDBOX" ] && configure=0
if [ $configure -eq 1 ]; then
if qt ip6tables -L shorewall6 -n && [ ! -f ${SBINDIR}/shorewall6-lite ]; then
${SBINDIR}/shorewall6 clear
fi
fi
if [ -L ${SHAREDIR}/shorewall6/init ]; then
FIREWALL=$(readlink -m -q ${SHAREDIR}/shorewall6/init)
elif [ -n "$INITFILE" ]; then
FIREWALL=${INITDIR}/${INITFILE}
fi
if [ -f "$FIREWALL" ]; then
if [ $configure -eq 1 ]; then
if mywhich updaterc.d ; then
updaterc.d shorewall6 remove
elif mywhich insserv ; then
insserv -r $FIREWALL
elif mywhich chkconfig ; then
chkconfig --del $(basename $FIREWALL)
fi
fi
remove_file $FIREWALL
fi
if [ -n "$SYSTEMD" ]; then
[ $configure -eq 1 ] && systemctl disable ${PRODUCT}
rm -f $SYSTEMD/shorewall6.service
fi
rm -f ${SBINDIR}/shorewall6
rm -rf ${CONFDIR}/shorewall6
rm -rf ${VARDIR}/shorewall6
rm -rf ${LIBEXECDIR}/shorewall6
rm -rf ${SHAREDIR}/shorewall6
for f in ${MANDIR}/man5/shorewall6* ${SHAREDIR}/man/man8/shorewall6*; do
case $f in
shorewall6-lite*)
;;
*)
rm -f $f
esac
done
rm -f ${CONFDIR}/logrotate.d/shorewall6
[ -n "$SYSTEMD" ] && rm -f ${SYSTEMD}/shorewall6.service
echo "Shorewall6 Uninstalled"