[net-firewall/iptables] import of iptables scm junk, needs cleanup

2014-11-01 11:33:56 +01:00
parent 338a8527b7
commit ca4f63d31c
12 changed files with 426 additions and 0 deletions
--- a/net-firewall/iptables/files/iptables-1.4.13-r1.init
+++ b/net-firewall/iptables/files/iptables-1.4.13-r1.init
@@ -0,0 +1,130 @@
+#!/sbin/runscript
+# Copyright 1999-2013 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/net-firewall/iptables/files/iptables-1.4.13-r1.init,v 1.3 2013/04/27 17:29:09 vapier Exp $
+
+extra_commands="check save panic"
+extra_started_commands="reload"
+
+iptables_name=${SVCNAME}
+case ${iptables_name} in
+iptables|ip6tables) ;;
+*) iptables_name="iptables" ;;
+esac
+
+iptables_bin="/sbin/${iptables_name}"
+case ${iptables_name} in
+	iptables)  iptables_proc="/proc/net/ip_tables_names"
+	           iptables_save=${IPTABLES_SAVE};;
+	ip6tables) iptables_proc="/proc/net/ip6_tables_names"
+	           iptables_save=${IP6TABLES_SAVE};;
+esac
+
+depend() {
+	need localmount #434774
+	before net
+}
+
+set_table_policy() {
+	local chains table=$1 policy=$2
+	case ${table} in
+		nat)    chains="PREROUTING POSTROUTING OUTPUT";;
+		mangle) chains="PREROUTING INPUT FORWARD OUTPUT POSTROUTING";;
+		filter) chains="INPUT FORWARD OUTPUT";;
+		*)      chains="";;
+	esac
+	local chain
+	for chain in ${chains} ; do
+		${iptables_bin} -t ${table} -P ${chain} ${policy}
+	done
+}
+
+checkkernel() {
+	if [ ! -e ${iptables_proc} ] ; then
+		eerror "Your kernel lacks ${iptables_name} support, please load"
+		eerror "appropriate modules and try again."
+		return 1
+	fi
+	return 0
+}
+checkconfig() {
+	if [ ! -f ${iptables_save} ] ; then
+		eerror "Not starting ${iptables_name}.  First create some rules then run:"
+		eerror "/etc/init.d/${iptables_name} save"
+		return 1
+	fi
+	return 0
+}
+
+start() {
+	checkconfig || return 1
+	ebegin "Loading ${iptables_name} state and starting firewall"
+	${iptables_bin}-restore ${SAVE_RESTORE_OPTIONS} < "${iptables_save}"
+	eend $?
+}
+
+stop() {
+	if [ "${SAVE_ON_STOP}" = "yes" ] ; then
+		save || return 1
+	fi
+	checkkernel || return 1
+	ebegin "Stopping firewall"
+	local a
+	for a in $(cat ${iptables_proc}) ; do
+		set_table_policy $a ACCEPT
+
+		${iptables_bin} -F -t $a
+		${iptables_bin} -X -t $a
+	done
+	eend $?
+}
+
+reload() {
+	checkkernel || return 1
+	checkrules || return 1
+	ebegin "Flushing firewall"
+	local a
+	for a in $(cat ${iptables_proc}) ; do
+		${iptables_bin} -F -t $a
+		${iptables_bin} -X -t $a
+	done
+	eend $?
+
+	start
+}
+
+checkrules() {
+	ebegin "Checking rules"
+	${iptables_bin}-restore --test ${SAVE_RESTORE_OPTIONS} < "${iptables_save}"
+	eend $?
+}
+
+check() {
+	# Short name for users of init.d script.
+	checkrules
+}
+
+save() {
+	ebegin "Saving ${iptables_name} state"
+	checkpath -q -d "$(dirname "${iptables_save}")"
+	checkpath -q -m 0600 -f "${iptables_save}"
+	${iptables_bin}-save ${SAVE_RESTORE_OPTIONS} > "${iptables_save}"
+	eend $?
+}
+
+panic() {
+	checkkernel || return 1
+	if service_started ${iptables_name}; then
+		rc-service ${iptables_name} stop
+	fi
+
+	local a
+	ebegin "Dropping all packets"
+	for a in $(cat ${iptables_proc}) ; do
+		${iptables_bin} -F -t $a
+		${iptables_bin} -X -t $a
+
+		set_table_policy $a DROP
+	done
+	eend $?
+}