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Diffstat (limited to 'net-firewall/iptables/files/iptables.init')
-rwxr-xr-xnet-firewall/iptables/files/iptables.init130
1 files changed, 130 insertions, 0 deletions
diff --git a/net-firewall/iptables/files/iptables.init b/net-firewall/iptables/files/iptables.init
new file mode 100755
index 000000000000..440e840c41a8
--- /dev/null
+++ b/net-firewall/iptables/files/iptables.init
@@ -0,0 +1,130 @@
+#!/sbin/runscript
+# Copyright 1999-2013 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+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 $?
+}