net-firewall/iptables: remove unused file
Signed-off-by: Michael Mair-Keimberger <mmk@levelnine.at> Closes: https://github.com/gentoo/gentoo/pull/27559 Signed-off-by: Conrad Kostecki <conikost@gentoo.org>
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#!/sbin/openrc-run
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# Copyright 1999-2018 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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extra_commands="check save panic"
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extra_started_commands="reload"
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iptables_lock_wait_time=${IPTABLES_LOCK_WAIT_TIME:-"60"}
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iptables_lock_wait_interval=${IPTABLES_LOCK_WAIT_INTERVAL:-"1000"}
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iptables_name=${SVCNAME}
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case ${iptables_name} in
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iptables|ip6tables) ;;
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*) iptables_name="iptables" ;;
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esac
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iptables_bin="/sbin/${iptables_name}"
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case ${iptables_name} in
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iptables) iptables_proc="/proc/net/ip_tables_names"
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iptables_save=${IPTABLES_SAVE};;
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ip6tables) iptables_proc="/proc/net/ip6_tables_names"
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iptables_save=${IP6TABLES_SAVE};;
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esac
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depend() {
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need localmount #434774
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before net
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}
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set_table_policy() {
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local has_errors=0 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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mangle) chains="PREROUTING INPUT FORWARD OUTPUT POSTROUTING";;
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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 ${chains} ; do
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${iptables_bin} --wait ${iptables_lock_wait_time} --wait-interval ${iptables_lock_wait_interval} -t ${table} -P ${chain} ${policy}
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[ $? -ne 0 ] && has_errors=1
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done
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return ${has_errors}
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}
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checkkernel() {
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if [ ! -e ${iptables_proc} ] ; then
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eerror "Your kernel lacks ${iptables_name} support, please load"
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eerror "appropriate modules and try again."
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return 1
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fi
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return 0
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}
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checkconfig() {
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if [ -z "${iptables_save}" -o ! -f "${iptables_save}" ] ; then
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eerror "Not starting ${iptables_name}. First create some rules then run:"
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eerror "/etc/init.d/${iptables_name} 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_pre() {
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checkconfig || return 1
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}
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start() {
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ebegin "Loading ${iptables_name} state and starting firewall"
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${iptables_bin}-restore --wait ${iptables_lock_wait_time} --wait-interval ${iptables_lock_wait_interval} ${SAVE_RESTORE_OPTIONS} < "${iptables_save}"
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eend $?
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}
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stop_pre() {
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checkkernel || return 1
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}
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stop() {
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if [ "${SAVE_ON_STOP}" = "yes" ] ; then
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save || return 1
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fi
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ebegin "Stopping firewall"
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local has_errors=0 a
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for a in $(cat ${iptables_proc}) ; do
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set_table_policy $a ACCEPT
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[ $? -ne 0 ] && has_errors=1
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${iptables_bin} --wait ${iptables_lock_wait_time} --wait-interval ${iptables_lock_wait_interval} -F -t $a
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[ $? -ne 0 ] && has_errors=1
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${iptables_bin} --wait ${iptables_lock_wait_time} --wait-interval ${iptables_lock_wait_interval} -X -t $a
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[ $? -ne 0 ] && has_errors=1
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done
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eend ${has_errors}
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}
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reload() {
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checkkernel || return 1
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checkrules || return 1
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ebegin "Flushing firewall"
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local has_errors=0 a
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for a in $(cat ${iptables_proc}) ; do
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${iptables_bin} --wait ${iptables_lock_wait_time} --wait-interval ${iptables_lock_wait_interval} -F -t $a
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[ $? -ne 0 ] && has_errors=1
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${iptables_bin} --wait ${iptables_lock_wait_time} --wait-interval ${iptables_lock_wait_interval} -X -t $a
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[ $? -ne 0 ] && has_errors=1
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done
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eend ${has_errors}
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start
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}
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checkrules() {
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ebegin "Checking rules"
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${iptables_bin}-restore --test ${SAVE_RESTORE_OPTIONS} < "${iptables_save}"
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eend $?
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}
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check() {
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# Short name for users of init.d script.
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checkrules
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}
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save() {
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ebegin "Saving ${iptables_name} state"
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checkpath -q -d "$(dirname "${iptables_save}")"
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checkpath -q -m 0600 -f "${iptables_save}"
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${iptables_bin}-save ${SAVE_RESTORE_OPTIONS} > "${iptables_save}"
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eend $?
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}
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panic() {
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# use iptables autoload capability to load at least all required
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# modules and filter table
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${iptables_bin} --wait ${iptables_lock_wait_time} --wait-interval ${iptables_lock_wait_interval} -S >/dev/null
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if [ $? -ne 0 ] ; then
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eerror "${iptables_bin} failed to load"
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return 1
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fi
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if service_started ${iptables_name}; then
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rc-service ${iptables_name} stop
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fi
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local has_errors=0 a
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ebegin "Dropping all packets"
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for a in $(cat ${iptables_proc}) ; do
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${iptables_bin} --wait ${iptables_lock_wait_time} --wait-interval ${iptables_lock_wait_interval} -F -t $a
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[ $? -ne 0 ] && has_errors=1
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${iptables_bin} --wait ${iptables_lock_wait_time} --wait-interval ${iptables_lock_wait_interval} -X -t $a
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[ $? -ne 0 ] && has_errors=1
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if [ "${a}" != "nat" ]; then
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# The "nat" table is not intended for filtering, the use of DROP is therefore inhibited.
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set_table_policy $a DROP
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[ $? -ne 0 ] && has_errors=1
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fi
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done
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eend ${has_errors}
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}
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