shorewall_code/Shorewall-init/ifupdown.debian.sh
Tom Eastep 0adb9c8f87
Don't run the 'up' command twice when an dual-stack interface comes up
Signed-off-by: Tom Eastep <teastep@shorewall.net>
2020-04-18 12:43:27 -07:00

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#!/bin/sh
#
# Debian ifupdown script for Shorewall-based products
#
# This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
#
# (c) 2010,2013 - Tom Eastep (teastep@shorewall.net)
#
# Shorewall documentation is available at https://shorewall.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
setstatedir() {
local statedir
if [ -f ${CONFDIR}/${PRODUCT}/vardir ]; then
statedir=$( . /${CONFDIR}/${PRODUCT}/vardir && echo $VARDIR )
fi
[ -n "$statedir" ] && STATEDIR=${statedir} || STATEDIR=${VARLIB}/${PRODUCT}
if [ ! -x $STATEDIR/firewall ]; then
if [ $PRODUCT = shorewall ]; then
${SBINDIR}/shorewall compile
elif [ $PRODUCT = shorewall6 ]; then
${SBINDIR}/shorewall -6 compile
fi
fi
}
Debian_ppp() {
NEWPRODUCTS=
INTERFACE="$1"
case $0 in
/etc/ppp/ip-*)
#
# IPv4
#
for product in $PRODUCTS; do
case $product in
shorewall|shorewall-lite)
NEWPRODUCTS="$NEWPRODUCTS $product";
;;
esac
done
;;
/etc/ppp/ipv6-*)
#
# IPv6
#
for product in $PRODUCTS; do
case $product in
shorewall6|shorewall6-lite)
NEWPRODUCTS="$NEWPRODUCTS $product";
;;
esac
done
;;
*)
exit 0
;;
esac
PRODUCTS="$NEWPRODUCTS"
case $0 in
*up/*)
COMMAND=up
;;
*)
COMMAND=down
;;
esac
}
IFUPDOWN=0
PRODUCTS=
#
# The installer may alter this
#
. /usr/share/shorewall/shorewallrc
if [ -f /etc/default/shorewall-init ]; then
. /etc/default/shorewall-init
elif [ -f /etc/sysconfig/shorewall-init ]; then
. /etc/sysconfig/shorewall-init
fi
[ "$IFUPDOWN" = 1 -a -n "$PRODUCTS" ] || exit 0
case $0 in
/etc/ppp*)
#
# Debian ppp
#
Debian_ppp
;;
*)
#
# Debian ifupdown system - MODE and INTERFACE inherited from the environment
#
INTERFACE="$IFACE"
if [ "$MODE" = start ]; then
COMMAND=up
elif [ "$MODE" = stop ]; then
COMMAND=down
else
exit 0
fi
;;
esac
[ -n "$LOGFILE" ] || LOGFILE=/dev/null
for PRODUCT in $PRODUCTS; do
if [ -n "$ADDRFAM" -a ${COMMAND} = up ]; then
case $PRODUCT in
*6*)
[ ${ADDRFAM} = inet6 ] || continue
;;
*)
[ ${ADDRFAM} = inet ] || continue
;;
esac
fi
setstatedir
if [ -x $VARLIB/$PRODUCT/firewall ]; then
( ${VARLIB}/$PRODUCT/firewall -V0 $COMMAND $INTERFACE >> $LOGFILE 2>&1 ) || true
fi
done
exit 0