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105 lines
2.3 KiB
Bash
105 lines
2.3 KiB
Bash
#!/sbin/openrc-run
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# Copyright 1999-2007 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/net-firewall/ebtables/files/ebtables.initd,v 1.2 2007/09/28 19:22:14 pva Exp $
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extra_commands="save reload"
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extra_started_commands="panic"
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ebtables_bin="/usr/sbin/ebtables"
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ebtables_save=${EBTABLES_SAVE}
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ebtables_tables=$(grep -E '^ebtable_' /proc/modules | cut -f1 -d' ' | sed s/ebtable_//)
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if [ "$ebtables_tables" == "" ] ; then
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ebtables_tables=${TABLE_NAMES}
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fi
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# Add ip netns if configured to run in a netns namespace
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if [ -n "$netns" ]; then
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test -e /run/netns/$netns || ip netns add $netns
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ebtables_bin="ip netns exec $netns $ebtables_bin"
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fi
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depend() {
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before net
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use logger
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}
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set_table_policy() {
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local chains table=$1 policy=$2
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case ${table} in
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nat) chains="PREROUTING POSTROUTING OUTPUT";;
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broute) chains="BROUTING";;
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filter) chains="INPUT FORWARD OUTPUT";;
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*) chains="";;
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esac
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local chain
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for chain in ${chains} ; do
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${ebtables_bin} -t ${table} -P ${chain} ${policy}
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done
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}
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checkconfig() {
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if [ ! -f ${ebtables_save} ] ; then
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eerror "Not starting ebtables. First create some rules then run:"
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eerror "/etc/init.d/ebtables save"
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return 1
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fi
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return 0
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}
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start() {
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checkconfig || return 1
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ebegin "Loading ebtables state and starting bridge firewall"
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${ebtables_bin}-restore ${SAVE_RESTORE_OPTIONS} < "${ebtables_save}"
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eend $?
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}
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stop() {
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if [ "${SAVE_ON_STOP}" = "yes" ] ; then
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save || return 1
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fi
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ebegin "Stopping bridge firewall"
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local a
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for a in ${ebtables_tables}; do
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set_table_policy $a ACCEPT
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${ebtables_bin} -t $a -F
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${ebtables_bin} -t $a -X
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done
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eend $?
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}
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reload() {
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ebegin "Flushing bridge firewall"
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local a
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for a in ${ebtables_tables}; do
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${ebtables_bin} -t $a -F
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${ebtables_bin} -t $a -X
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done
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eend $?
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start
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}
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save() {
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ebegin "Saving ebtables state"
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checkpath -Fm 0600 "${ebtables_save}"
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for a in ${ebtables_tables} ; do
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${ebtables_bin}-save -t ${a} ${SAVE_RESTORE_OPTIONS} >> "${ebtables_save}"
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done
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eend $?
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}
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panic() {
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service_started ebtables && svc_stop
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local a
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ebegin "Dropping all packets forwarded on bridges"
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for a in ${ebtables_tables}; do
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${ebtables_bin} -t $a -F
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${ebtables_bin} -t $a -X
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set_table_policy $a DROP
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done
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eend $?
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}
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