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|
#!/bin/bash
#
# init script for the Ethernet Bridge filter tables
#
# Written by Dag Wieers <dag@wieers.com>
# Modified by Rok Papez <rok.papez@arnes.si>
# Bart De Schuymer <bdschuym@pandora.be>
#
# chkconfig: - 15 85
# description: Ethernet Bridge filtering tables
#
# config: __SYSCONFIG__/ebtables (text)
# __SYSCONFIG__/ebtables.<table> (binary)
source /etc/init.d/functions
source /etc/sysconfig/network
# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0
[ -x __EXEC_PATH__/ebtables ] || exit 1
[ -x __EXEC_PATH__/ebtables-save ] || exit 1
[ -x __EXEC_PATH__/ebtables-restore ] || exit 1
RETVAL=0
prog="ebtables"
desc="Ethernet bridge filtering"
umask 0077
#default configuration
EBTABLES_TEXT_FORMAT="yes"
EBTABLES_BINARY_FORMAT="yes"
EBTABLES_MODULES_UNLOAD="yes"
EBTABLES_SAVE_ON_STOP="no"
EBTABLES_SAVE_ON_RESTART="no"
EBTABLES_SAVE_COUNTER="no"
config=__SYSCONFIG__/$prog-config
[ -f "$config" ] && . "$config"
start() {
echo -n $"Starting $desc ($prog): "
if [ "$EBTABLES_BINARY_FORMAT" = "yes" ]; then
for table in $(ls __SYSCONFIG__/ebtables.* 2>/dev/null | sed -e 's/.*ebtables\.//' -e '/save/d' ); do
__EXEC_PATH__/ebtables -t $table --atomic-file __SYSCONFIG__/ebtables.$table --atomic-commit || RETVAL=1
done
else
__EXEC_PATH__/ebtables-restore < /etc/sysconfig/ebtables || RETVAL=1
fi
if [ $RETVAL -eq 0 ]; then
success "$prog startup"
rm -f /var/lock/subsys/$prog
else
failure "$prog startup"
fi
echo
}
stop() {
echo -n $"Stopping $desc ($prog): "
for table in $(grep '^ebtable_' /proc/modules | sed -e 's/ebtable_\([^ ]*\).*/\1/'); do
__EXEC_PATH__/ebtables -t $table --init-table || RETVAL=1
done
if [ "$EBTABLES_MODULES_UNLOAD" = "yes" ]; then
for mod in $(grep -E '^(ebt|ebtable)_' /proc/modules | cut -f1 -d' ') ebtables; do
rmmod $mod 2> /dev/null
done
fi
if [ $RETVAL -eq 0 ]; then
success "$prog shutdown"
rm -f /var/lock/subsys/$prog
else
failure "$prog shutdown"
fi
echo
}
restart() {
stop
start
}
save() {
echo -n $"Saving $desc ($prog): "
if [ "$EBTABLES_TEXT_FORMAT" = "yes" ]; then
if [ -e __SYSCONFIG__/ebtables ]; then
chmod 0600 __SYSCONFIG__/ebtables
mv -f __SYSCONFIG__/ebtables __SYSCONFIG__/ebtables.save
fi
__EXEC_PATH__/ebtables-save > __SYSCONFIG__/ebtables || RETVAL=1
fi
if [ "$EBTABLES_BINARY_FORMAT" = "yes" ]; then
rm -f __SYSCONFIG__/ebtables.*.save
for oldtable in $(ls __SYSCONFIG__/ebtables.* 2>/dev/null | grep -vF 'ebtables.save'); do
chmod 0600 $oldtable
mv -f $oldtable $oldtable.save
done
for table in $(grep '^ebtable_' /proc/modules | sed -e 's/ebtable_\([^ ]*\).*/\1/'); do
__EXEC_PATH__/ebtables -t $table --atomic-file __SYSCONFIG__/ebtables.$table --atomic-save || RETVAL=1
if [ "$EBTABLES_SAVE_COUNTER" = "no" ]; then
__EXEC_PATH__/ebtables -t $table --atomic-file __SYSCONFIG__/ebtables.$table -Z || RETVAL=1
fi
done
fi
if [ $RETVAL -eq 0 ]; then
success "$prog saved"
else
failure "$prog saved"
fi
echo
}
case "$1" in
start)
start
;;
stop)
[ "$EBTABLES_SAVE_ON_STOP" = "yes" ] && save
stop
;;
restart|reload)
[ "$EBTABLES_SAVE_ON_RESTART" = "yes" ] && save
restart
;;
condrestart)
[ -e /var/lock/subsys/$prog ] && restart
RETVAL=$?
;;
save)
save
;;
status)
__EXEC_PATH__/ebtables-save
RETVAL=$?
;;
*)
echo $"Usage $0 {start|stop|restart|condrestart|save|status}"
RETVAL=1
esac
exit $RETVAL
|
