gentoo resync : 25.11.2020

1 files changed, 89 insertions, 65 deletions

diff --git a/net-firewall/nftables/files/nftables.init-r1 b/net-firewall/nftables/files/nftables.init-r1
index 45b2abdbda77..60f1632f4551 100644
--- a/net-firewall/nftables/files/nftables.init-r1
+++ b/net-firewall/nftables/files/nftables.init-r1
@@ -1,105 +1,129 @@
 #!/sbin/openrc-run
+# Copyright 2014-2017 Nicholas Vinson
 # Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-extra_commands="check clear list panic save soft_panic"
+extra_commands="clear list panic save"
 extra_started_commands="reload"
-
 depend() {
 	need localmount #434774
 	before net
 }
 
-checkkernel() {
-	if ! /sbin/nft list ruleset >/dev/null 2>/dev/null ; then
-		eerror "Your kernel lacks nftables support, please load"
-		eerror "appropriate modules and try again."
-		return 1
-	fi
-	return 0
+_nftables() {
+	export NFTABLES_SAVE SAVE_OPTIONS
+	/usr/libexec/nftables/nftables.sh "${@}"
 }
 
-checkconfig() {
-	if [ -z "${NFTABLES_SAVE}" -o ! -f "${NFTABLES_SAVE}" ] ; then
-		eerror "Not starting nftables. First create some rules then run:"
-		eerror "/etc/init.d/${SVCNAME} save"
-		return 1
-	fi
+start_pre() {
+	checkkernel || return 1
+	checkconfig || return 1
 	return 0
 }
 
-start_pre() {
-	checkconfig || return 1
-	checkkernel || return 1
-	check || return 1
+clear() {
+	_nftables clear || return 1
+	return 0
 }
 
-start() {
-	ebegin "Loading ${SVCNAME} state and starting firewall"
-	/usr/libexec/nftables/nftables.sh load "${NFTABLES_SAVE}"
-	eend $?
+list() {
+	_nftables list || return 1
+	return 0
 }
 
-stop() {
-	if [ "${SAVE_ON_STOP}" = "yes" ] ; then
-		save || return 1
+panic() {
+	checkkernel || return 1
+	if service_started "${RC_SVCNAME}"; then
+		rc-service "${RC_SVCNAME}" stop
 	fi
 
-	ebegin "Stopping firewall"
-	if [ "${PANIC_ON_STOP}" = "hard" ]; then
-		/usr/libexec/nftables/nftables.sh panic
-	elif [ "${PANIC_ON_STOP}" = "soft" ]; then
-		/usr/libexec/nftables/nftables.sh soft_panic
-	else
-		/usr/libexec/nftables/nftables.sh clear
+	ebegin "Dropping all packets"
+	clear
+	if nft create table ip filter >/dev/null 2>&1; then
+	nft -f /dev/stdin <<-EOF
+		table ip filter {
+			chain input {
+				type filter hook input priority 0;
+				drop
+			}
+			chain forward {
+				type filter hook forward priority 0;
+				drop
+			}
+			chain output {
+				type filter hook output priority 0;
+				drop
+			}
+		}
+	EOF
+	fi
+	if nft create table ip6 filter >/dev/null 2>&1; then
+	nft -f /dev/stdin <<-EOF
+		table ip6 filter {
+			chain input {
+				type filter hook input priority 0;
+				drop
+			}
+			chain forward {
+				type filter hook forward priority 0;
+				drop
+			}
+			chain output {
+				type filter hook output priority 0;
+				drop
+			}
+		}
+	EOF
 	fi
-	eend $?
 }
 
 reload() {
-	start_pre || return 1
+	checkkernel || return 1
+	ebegin "Flushing firewall"
+	clear
 	start
 }
 
-clear() {
-	ebegin "Clearing rules"
-	/usr/libexec/nftables/nftables.sh clear
-	eend $?
+save() {
+	ebegin "Saving nftables state"
+	checkpath -q -d "$(dirname "${NFTABLES_SAVE}")"
+	checkpath -q -m 0600 -f "${NFTABLES_SAVE}"
+	export SAVE_OPTIONS
+	_nftables store "${NFTABLES_SAVE}"
+	return $?
 }
 
-list() {
-	/usr/libexec/nftables/nftables.sh list
+start() {
+	ebegin "Loading nftables state and starting firewall"
+	clear
+	_nftables load "${NFTABLES_SAVE}"
+	eend ${?}
 }
 
-check() {
-	ebegin "Checking rules"
-	/usr/libexec/nftables/nftables.sh check "${NFTABLES_SAVE}"
-	eend $?
-}
+stop() {
+	if yesno "${SAVE_ON_STOP:-yes}"; then
+		save || return 1
+	fi
 
-save() {
-	ebegin "Saving ${SVCNAME} state"
-	checkpath -q -d "$(dirname "${NFTABLES_SAVE}")"
-	checkpath -q -m 0600 -f "${NFTABLES_SAVE}"
-	SAVE_OPTIONS="${SAVE_OPTIONS}" \
-		/usr/libexec/nftables/nftables.sh store "${NFTABLES_SAVE}"
-	eend $?
+	ebegin "Stopping firewall"
+	clear
+	eend ${?}
 }
 
-panic() {
-	if service_started ${SVCNAME}; then
-		rc-service ${SVCNAME} zap
+checkconfig() {
+	if [ ! -f "${NFTABLES_SAVE}" ]; then
+		eerror "Not starting nftables.  First create some rules then run:"
+		eerror "rc-service nftables save"
+		return 1
 	fi
-	ebegin "Dropping all packets"
-	/usr/libexec/nftables/nftables.sh panic
-	eend $?
+	return 0
 }
 
-soft_panic() {
-	if service_started ${SVCNAME}; then
-		rc-service ${SVCNAME} zap
+checkkernel() {
+	if ! nft list tables >/dev/null 2>&1; then
+		eerror "Your kernel lacks nftables support, please load"
+		eerror "appropriate modules and try again."
+		return 1
 	fi
-	ebegin "Dropping new connections"
-	/usr/libexec/nftables/nftables.sh soft_panic
-	eend $?
+	return 0
 }