main/iptables: restore lost init.d script for ebtables

3 files changed, 121 insertions, 2 deletions

diff --git a/main/iptables/APKBUILD b/main/iptables/APKBUILD
index 83d58da7ff..b11113b82f 100644
--- a/main/iptables/APKBUILD
+++ b/main/iptables/APKBUILD
@@ -2,7 +2,7 @@
 
 pkgname=iptables
 pkgver=1.8.4
-pkgrel=0
+pkgrel=1
 pkgdesc="Linux kernel firewall, NAT and packet mangling tools"
 url="https://www.netfilter.org/projects/iptables/index.html"
 arch="all"
@@ -16,6 +16,8 @@ source="https://www.netfilter.org/projects/iptables/files/iptables-$pkgver.tar.b
 	iptables.initd
 	iptables.confd
 	ip6tables.confd
+	ebtables.initd
+	ebtables.confd
 	"
 
 prepare() {
@@ -60,6 +62,8 @@ package() {
 
 	install -D -m755 "$srcdir"/iptables.initd "$pkgdir"/etc/init.d/iptables
 	install -D -m644 "$srcdir"/iptables.confd "$pkgdir"/etc/conf.d/iptables
+	install -D -m755 "$srcdir"/ebtables.initd "$pkgdir"/etc/init.d/ebtables
+	install -D -m644 "$srcdir"/ebtables.confd "$pkgdir"/etc/conf.d/ebtables
 }
 
 ip6tables() {
@@ -84,4 +88,6 @@ ip6tables_openrc() {
 sha512sums="a7faaab58608ffaa51e26e8056551c0e91a49187439d30fcf5cce2800274cc3c0515db6cfba0f4c85613fb80779cf96089b8915db0e89161e9980a6384faebdb  iptables-1.8.4.tar.bz2
 059b3bd8dd7dec60060ec5eb1e639fe8203207629f3a7dd4fdbe5ebca3f7e9b80df5592ebb27542e31830fd15a53cffac5772567053c104dfccf9b78613a31a1  iptables.initd
 cb7fecd5cab2c78bd3f215a41f39ec11c37eb360efbe83982378a0e647e0aa9dc0b7ec915a5b5081aa2f7747464787e69404aa15ba15a063c32cb8fb7dd13d1e  iptables.confd
-0897a7a22f8b700f7f1f5c355ad6cbf39740e44d6c962af99e479978d8a2d556ca7fe4e31f238829046b4a871ce0b5fd52e2544f1361d15dd1ea3e33992646c4  ip6tables.confd"
+0897a7a22f8b700f7f1f5c355ad6cbf39740e44d6c962af99e479978d8a2d556ca7fe4e31f238829046b4a871ce0b5fd52e2544f1361d15dd1ea3e33992646c4  ip6tables.confd
+c8fccc96610ddc24a3a0c7c2c9f2460b87e582424e338beeb20d77726b27324f89906ef853680e62912ed3544c967469870d78aa6e39de11efda072dd8a4a836  ebtables.initd
+b24afd1f5c2f200a1eec6ed7fd63500237dc168bfb9cc1297ffc288d12d30224a1ee84a7f61663daf408c42457dd7deac7594a23e448218806798294e9a1018d  ebtables.confd"
diff --git a/main/iptables/ebtables.confd b/main/iptables/ebtables.confd
new file mode 100644
index 0000000000..db46ffb587
--- /dev/null
+++ b/main/iptables/ebtables.confd
@@ -0,0 +1,15 @@
+# /etc/conf.d/ebtables
+
+# Location in which ebtables initscript will save set rules on 
+# service shutdown
+EBTABLES_SAVE="/var/lib/ebtables/rules-save"
+
+# Options to pass to ebtables-save and ebtables-restore 
+SAVE_RESTORE_OPTIONS=""
+
+# Save state on stopping ebtables
+SAVE_ON_STOP="yes"
+
+# Tables to be saved and restored. If you have built ebtables as modules, you
+# may leave it blank. Otherwise, you MUST define which to control.
+TABLE_NAMES="filter nat broute"
diff --git a/main/iptables/ebtables.initd b/main/iptables/ebtables.initd
new file mode 100644
index 0000000000..c3e8ba92cb
--- /dev/null
+++ b/main/iptables/ebtables.initd
@@ -0,0 +1,98 @@
+#!/sbin/openrc-run
+# Copyright 1999-2007 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/net-firewall/ebtables/files/ebtables.initd,v 1.2 2007/09/28 19:22:14 pva Exp $
+
+extra_commands="save reload"
+extra_started_commands="panic"
+
+ebtables_bin="/sbin/ebtables"
+ebtables_save=${EBTABLES_SAVE}
+ebtables_tables=$(grep -E '^ebtable_' /proc/modules | cut -f1 -d' ' | sed s/ebtable_//)
+if [ "$ebtables_tables" == "" ] ; then
+	ebtables_tables=${TABLE_NAMES}
+fi
+
+depend() {
+	before net
+	use logger
+}
+
+set_table_policy() {
+	local chains table=$1 policy=$2
+	case ${table} in
+		nat)    chains="PREROUTING POSTROUTING OUTPUT";;
+		broute) chains="BROUTING";;
+		filter) chains="INPUT FORWARD OUTPUT";;
+		*)      chains="";;
+	esac
+	local chain
+	for chain in ${chains} ; do
+		${ebtables_bin} -t ${table} -P ${chain} ${policy}
+	done
+}
+
+checkconfig() {
+	if [ ! -f ${ebtables_save} ] ; then
+		eerror "Not starting ebtables.  First create some rules then run:"
+		eerror "/etc/init.d/ebtables save"
+		return 1
+	fi
+	return 0
+}
+
+start() {
+	checkconfig || return 1
+	ebegin "Loading ebtables state and starting bridge firewall"
+	${ebtables_bin}-restore ${SAVE_RESTORE_OPTIONS} < "${ebtables_save}"
+	eend $?
+}
+
+stop() {
+	if [ "${SAVE_ON_STOP}" = "yes" ] ; then
+		save || return 1
+	fi
+	ebegin "Stopping bridge firewall"
+	local a
+	for a in ${ebtables_tables}; do
+		set_table_policy $a ACCEPT
+
+		${ebtables_bin} -t $a -F
+		${ebtables_bin} -t $a -X
+	done
+	eend $?
+}
+
+reload() {
+	ebegin "Flushing bridge firewall"
+	local a
+	for a in ${ebtables_tables}; do
+		${ebtables_bin} -t $a -F
+		${ebtables_bin} -t $a -X
+	done
+	eend $?
+
+	start
+}
+
+save() {
+	ebegin "Saving ebtables state"
+	touch "${ebtables_save}"
+	chmod 0600 "${ebtables_save}"
+	${ebtables_bin}-save ${ebtables_tables} ${SAVE_RESTORE_OPTIONS} > "${ebtables_save}"
+	eend $?
+}
+
+panic() {
+	service_started ebtables && svc_stop
+
+	local a
+	ebegin "Dropping all packets forwarded on bridges"
+	for a in ${ebtables_tables}; do
+		${ebtables_bin} -t $a -F
+		${ebtables_bin} -t $a -X
+
+		set_table_policy $a DROP
+	done
+	eend $?
+}