net-firewall/nftables: Sync with Gentoo

It's from Gentoo commit 96b47bf70929b78f8dc593c047b119fa88483403.

sdk_container/src/third_party/portage-stable/net-firewall/nftables/Manifest

@@ -1 +1,2 @@
-DIST nftables-0.9.9.tar.bz2 922624 BLAKE2B 8de2709576a26ca84a8d694f7cb06cad2bb2fb4671ba21ffc32c0d5997e8124ae7cd794dafddf4db48d8a49c280b48b07d2a31b6c18f6647fdb67cfe7f065b61 SHA512 dfdd3ffc0ffc1742ca0494a3f8fac1c7b2fe942849e60d33fc3cb8a51e27bd39e1ccfeda2195191377a32bb5363ea244f4c3e71b4a6d930f33bf87e17a534fab
+DIST nftables-1.1.1.tar.xz 989700 BLAKE2B f273c78369ba755049c6afa63eba195cf29f926fa8fc9bf344022904c00a8c6c4259cc5093e23993a55fd25790af575305df79a7c28624fa7082661b2eed70d0 SHA512 676413d4adadffb15d52c1f8f6432636cab83a7bcda1a18d9f0e6b58819a2c027a49922588c02bd9ad386de930eaa697bfe74c0938b595bf1ee485bfa7cf2e50
+DIST nftables-1.1.1.tar.xz.sig 566 BLAKE2B b7debda3373972f69af9b4b23e1b66a8fd156440187aafba605bb7342c267207e5aa628256e96432ebd4583a6a9436e1969a33636111d2bd8d57185a01e2d502 SHA512 fc23034c512f686167203e827ff2a8f7cb64530211ce92a28793bd49577ce3bf519ffbe910b0071cb21925898497cb5cbf70121c68bfcdbfa4460c63a14203ac

sdk_container/src/third_party/portage-stable/net-firewall/nftables/files/libexec/nftables-mk.sh

@@ -0,0 +1,60 @@
+#!/bin/sh
+
+main() {
+	local NFTABLES_SAVE=${2:-'/var/lib/nftables/rules-save'}
+	case "$1" in
+		"check")
+			nft -c -f "${NFTABLES_SAVE}"
+		;;
+		"clear")
+			nft flush ruleset
+		;;
+		"list")
+			nft ${SAVE_OPTIONS} list ruleset
+		;;
+		"load")
+			# We use an include because cat fails with long rulesets see #675188
+			printf 'flush ruleset\ninclude "%s"\n' "${NFTABLES_SAVE}" | nft -f -
+		;;
+		"panic")
+			panic hard | nft -f -
+		;;
+		"soft_panic")
+			panic soft | nft -f -
+		;;
+		"store")
+			local tmp_save="${NFTABLES_SAVE}.tmp"
+			umask 177
+			(
+				printf '#!/sbin/nft -f\nflush ruleset\n'
+				nft ${SAVE_OPTIONS} list ruleset
+			) > "$tmp_save" && mv ${tmp_save} ${NFTABLES_SAVE}
+		;;
+	esac
+}
+
+panic() {
+	local erule;
+	[ "$1" = soft ] && erule="ct state established,related accept;" || erule="";
+	cat <<EOF
+flush ruleset
+table inet filter {
+	chain input {
+		type filter hook input priority 0;
+		$erule
+		drop
+	}
+	chain forward {
+		type filter hook forward priority 0;
+		drop
+	}
+	chain output {
+		type filter hook output priority 0;
+		$erule
+		drop
+	}
+}
+EOF
+}
+
+main "$@"

sdk_container/src/third_party/portage-stable/net-firewall/nftables/files/libexec/nftables.sh

@@ -0,0 +1,150 @@
+#! /bin/sh
+
+main() {
+    local NFTABLES_SAVE=${2:-'/var/lib/nftables/rules-save'}
+    local retval
+    case "$1" in
+        "clear")
+            if ! use_legacy; then
+                nft flush ruleset
+            else
+                clear_legacy
+            fi
+            retval=$?
+        ;;
+        "list")
+            if ! use_legacy; then
+                nft list ruleset
+            else
+                list_legacy
+            fi
+            retval=$?
+        ;;
+        "load")
+            nft -f ${NFTABLES_SAVE}
+            retval=$?
+        ;;
+        "store")
+            umask 177
+            local tmp_save="${NFTABLES_SAVE}.tmp"
+            if ! use_legacy; then
+                nft ${SAVE_OPTIONS} list ruleset > ${tmp_save}
+            else
+                save_legacy ${tmp_save}
+            fi
+            retval=$?
+            if [ ${retval} ]; then
+                mv ${tmp_save} ${NFTABLES_SAVE}
+            fi
+        ;;
+    esac
+    return ${retval}
+}
+
+clear_legacy() {
+    local l3f line table chain first_line
+
+    first_line=1
+    if manualwalk; then
+        for l3f in $(getfamilies); do
+            nft list tables ${l3f} | while read line; do
+                table=$(echo ${line} | sed "s/table[ \t]*//")
+                deletetable ${l3f} ${table}
+            done
+        done
+    else
+        nft list tables | while read line; do
+            l3f=$(echo ${line} | cut -d ' ' -f2)
+            table=$(echo ${line} | cut -d ' ' -f3)
+            deletetable ${l3f} ${table}
+        done
+    fi
+}
+
+list_legacy() {
+    local l3f
+
+    if manualwalk; then
+        for l3f in $(getfamilies); do
+            nft list tables ${l3f} | while read line; do
+                line=$(echo ${line} | sed "s/table/table ${l3f}/")
+                echo "$(nft list ${line})"
+            done
+        done
+    else
+        nft list tables | while read line; do
+            echo "$(nft list ${line})"
+        done
+    fi
+}
+
+save_legacy() {
+    tmp_save=$1
+    touch "${tmp_save}"
+    if manualwalk; then
+        for l3f in $(getfamilies); do
+            nft list tables ${l3f} | while read line; do
+                line=$(echo ${line} | sed "s/table/table ${l3f}/")
+                nft ${SAVE_OPTIONS} list ${line} >> ${tmp_save}
+            done
+        done
+    else
+        nft list tables | while read line; do
+            nft ${SAVE_OPTIONS} list ${line} >> "${tmp_save}"
+        done
+    fi
+}
+
+use_legacy() {
+    local major_ver minor_ver
+
+    major_ver=$(uname -r | cut -d '.' -f1)
+    minor_ver=$(uname -r | cut -d '.' -f2)
+
+    [ $major_ver -ge 4 -o $major_ver -eq 3 -a $minor_ver -ge 18 ] && return 1
+    return 0
+}
+
+CHECK_TABLE_NAME="GENTOO_CHECK_TABLE"
+
+getfamilies() {
+    local l3f families
+
+    for l3f in ip arp ip6 bridge inet; do
+        if nft create table ${l3f} ${CHECK_TABLE_NAME} > /dev/null 2>&1; then
+            families="${families}${l3f} "
+            nft delete table ${l3f} ${CHECK_TABLE_NAME}
+        fi
+    done
+    echo ${families}
+}
+
+manualwalk() {
+    local result l3f=`getfamilies | cut -d ' ' -f1`
+
+    nft create table ${l3f} ${CHECK_TABLE_NAME}
+    nft list tables | read line
+    if [ $(echo $line | wc -w) -lt 3 ]; then
+        result=0
+    fi
+    result=1
+    nft delete table ${l3f} ${CHECK_TABLE_NAME}
+
+    return $result
+}
+
+deletetable() {
+    # family is $1
+    # table name is $2
+    nft flush table $1 $2
+    nft list table $1 $2 | while read l; do
+        chain=$(echo $l | grep -o 'chain [^[:space:]]\+' | cut -d ' ' -f2)
+        if [ -n "${chain}" ]; then
+            nft flush chain $1 $2 ${chain}
+            nft delete chain $1 $2 ${chain}
+        fi
+    done
+    nft delete table $1 $2
+}
+
+main "$@"

sdk_container/src/third_party/portage-stable/net-firewall/nftables/files/man-pages/gen-manpages.bash

@@ -0,0 +1,72 @@
+#!/bin/bash
+#
+# create manpages for nftables
+
+declare -A MAN_PAGES
+
+MAN_PAGES=(
+	[nft.8]="nft.txt"
+	[libnftables-json.5]="libnftables-json.adoc"
+	[libnftables.3]="libnftables.adoc"
+)
+
+build_manpages() {
+	tar axf "${distfile}" -C "${srcdir}" || return
+
+	pushd "${srcdir}/${version}/doc" > /dev/null || return
+	local manpage
+	for manpage in "${!MAN_PAGES[@]}"; do
+		a2x -L --doctype manpage --format manpage -D . "${MAN_PAGES[${manpage}]}" || return
+	done
+	popd > /dev/null || return
+
+	local -a tarfiles
+	readarray -t tarfiles < <(printf -- "${version}/doc/%s\\n" "${!MAN_PAGES[@]}")
+
+	tar -Jc --owner='root:0' --group='root:0' \
+		--transform="s:^${version}/doc:${version}-manpages:" \
+		-f "${version}-manpages.tar.xz" \
+		-C "${srcdir}" \
+		"${tarfiles[@]}" || return
+
+	rm -rf "${srcdir:?}/${version}" || return
+}
+
+main() {
+	shopt -s failglob
+	local version="${1}" srcdir="${0%/*}"
+
+	if [[ -z ${version} ]]; then
+		# shellcheck disable=SC2016
+		version=$(
+			find . -maxdepth 1 -type d -a -name 'nftables-*' -printf '%P\0' 2>/dev/null \
+			| LC_COLLATE=C sort -z \
+			| sed -z -n '${p;Q}' \
+			| tr -d '\000'
+		)
+		if [[ -z ${version} ]]; then
+			# shellcheck disable=SC2016
+			version=$(
+				find . -maxdepth 3 -mindepth 3 -type f -a -name 'nftables-*.ebuild' -printf '%P\0' 2>/dev/null \
+				| LC_COLLATE=C sort -z \
+				| sed -r -z -n '${s:.*/::;s:-r[0-9]+::;s:[.]ebuild::;p;Q}' \
+				| tr -d '\000'
+			)
+			if [[ -z ${version} ]]; then
+				printf 'Usage %s <version>\n' "${0}" >&2
+				return 1
+			fi
+		fi
+	elif [[ ${version} =~ [0-9.]+ ]]; then
+		version="nftables-${version}"
+	fi
+
+	local distdir distfile
+	local -a distfiles
+	distdir="$(portageq distdir)" || return
+	distfiles=( "${distdir}/${version}.tar."* ) || return
+	distfile="${distfiles[-1]}"
+	build_manpages || return
+}
+
+main "${@}"

sdk_container/src/third_party/portage-stable/net-firewall/nftables/files/nftables-0.9.8-slibtool.patch

@@ -1,13 +0,0 @@
-This fixes build with sys-devel/slibtool
-
---- nftables-0.9.8/src/Makefile.am
-+++ nftables-0.9.8/src/Makefile.am
-@@ -90,7 +90,7 @@
- 
- libnftables_la_LIBADD = ${LIBMNL_LIBS} ${LIBNFTNL_LIBS} libparser.la
- libnftables_la_LDFLAGS = -version-info ${libnftables_LIBVERSION} \
--			 --version-script=$(srcdir)/libnftables.map
-+			 -Wl,--version-script=$(srcdir)/libnftables.map
- 
- if BUILD_MINIGMP
- noinst_LTLIBRARIES += libminigmp.la

sdk_container/src/third_party/portage-stable/net-firewall/nftables/files/nftables-mk.confd

@@ -0,0 +1,26 @@
+# /etc/conf.d/nftables
+
+# Location in which nftables initscript will save set rules on
+# service shutdown
+NFTABLES_SAVE="/var/lib/nftables/rules-save"
+
+# Options to pass to nft on save
+SAVE_OPTIONS="-n"
+
+# Save state on stopping nftables
+SAVE_ON_STOP="yes"
+
+# Only for OpenRC systems.
+# Set to "hard" or "soft" to panic when stopping instead of
+# clearing the rules
+# Soft panic loads a ruleset dropping any new or invalid connections
+# Hard panic loads a ruleset dropping all traffic
+PANIC_ON_STOP=""
+
+# If you need to log nftables messages as soon as nftables starts,
+# AND your logger does NOT depend on the network, then you may wish
+# to uncomment the next line.
+# If your logger depends on the network, and you uncomment this line
+# you will create an unresolvable circular dependency during startup.
+# After commenting or uncommenting this line, you must run 'rc-update -u'.
+#rc_use="logger"

sdk_container/src/third_party/portage-stable/net-firewall/nftables/files/nftables-mk.init-r1

@@ -0,0 +1,109 @@
+#!/sbin/openrc-run
+# 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_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
+}
+
+checkconfig() {
+	if [ -z "${NFTABLES_SAVE}" ] || [ ! -f "${NFTABLES_SAVE}" ] ; then
+		eerror "Not starting nftables. First create some rules then run:"
+		eerror "/etc/init.d/${SVCNAME} save"
+		return 1
+	fi
+	return 0
+}
+
+_nftables() {
+	export NFTABLES_SAVE SAVE_OPTIONS
+	/usr/libexec/nftables/nftables.sh "${@}"
+}
+
+start_pre() {
+	checkconfig || return 1
+	checkkernel || return 1
+	check || return 1
+}
+
+start() {
+	ebegin "Loading ${SVCNAME} state and starting firewall"
+	_nftables load "${NFTABLES_SAVE}"
+	eend ${?}
+}
+
+stop() {
+	if [ "${SAVE_ON_STOP}" = "yes" ] ; then
+		save || return 1
+	fi
+
+	ebegin "Stopping firewall"
+	if [ "${PANIC_ON_STOP}" = "hard" ]; then
+		_nftables panic
+	elif [ "${PANIC_ON_STOP}" = "soft" ]; then
+		_nftables soft_panic
+	else
+		_nftables clear
+	fi
+	eend ${?}
+}
+
+reload() {
+	start_pre || return 1
+	start
+}
+
+clear() {
+	ebegin "Clearing rules"
+	_nftables clear
+	eend ${?}
+}
+
+list() {
+	_nftables list
+}
+
+check() {
+	ebegin "Checking rules"
+	_nftables check "${NFTABLES_SAVE}"
+	eend ${?}
+}
+
+save() {
+	ebegin "Saving ${SVCNAME} state"
+	checkpath -q -d "$(dirname "${NFTABLES_SAVE}")"
+	checkpath -q -m 0600 -f "${NFTABLES_SAVE}"
+	_nftables store "${NFTABLES_SAVE}"
+	eend ${?}
+}
+
+panic() {
+	if service_started "${SVCNAME}"; then
+		rc-service "${SVCNAME}" zap
+	fi
+	ebegin "Dropping all packets"
+	_nftables panic
+	eend ${?}
+}
+
+soft_panic() {
+	if service_started "${SVCNAME}"; then
+		rc-service "${SVCNAME}" zap
+	fi
+	ebegin "Dropping new connections"
+	_nftables soft_panic
+	eend ${?}
+}

sdk_container/src/third_party/portage-stable/net-firewall/nftables/files/nftables.confd

@@ -0,0 +1,19 @@
+# /etc/conf.d/nftables
+
+# Location in which nftables initscript will save set rules on 
+# service shutdown
+NFTABLES_SAVE="/var/lib/nftables/rules-save"
+
+# Options to pass to nft on save
+SAVE_OPTIONS="-n"
+
+# Save state on stopping nftables
+SAVE_ON_STOP="yes"
+
+# If you need to log nftables messages as soon as nftables starts,
+# AND your logger does NOT depend on the network, then you may wish
+# to uncomment the next line.
+# If your logger depends on the network, and you uncomment this line
+# you will create an unresolvable circular dependency during startup.
+# After commenting or uncommenting this line, you must run 'rc-update -u'.
+#rc_use="logger"

sdk_container/src/third_party/portage-stable/net-firewall/nftables/files/nftables.init-r1

@@ -0,0 +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="clear list panic save"
+extra_started_commands="reload"
+depend() {
+	need localmount #434774
+	before net
+}
+
+_nftables() {
+	export NFTABLES_SAVE SAVE_OPTIONS
+	/usr/libexec/nftables/nftables.sh "${@}"
+}
+
+start_pre() {
+	checkkernel || return 1
+	checkconfig || return 1
+	return 0
+}
+
+clear() {
+	_nftables clear || return 1
+	return 0
+}
+
+list() {
+	_nftables list || return 1
+	return 0
+}
+
+panic() {
+	checkkernel || return 1
+	if service_started "${RC_SVCNAME}"; then
+		rc-service "${RC_SVCNAME}" stop
+	fi
+
+	ebegin "Dropping all packets"
+	clear
+	if nft create table ip filter >/dev/null 2>&1; then
+	nft -f /dev/stdin <<-EOF
+		table ip filter {
+			chain input {
+				type filter hook input priority 0;
+				drop
+			}
+			chain forward {
+				type filter hook forward priority 0;
+				drop
+			}
+			chain output {
+				type filter hook output priority 0;
+				drop
+			}
+		}
+	EOF
+	fi
+	if nft create table ip6 filter >/dev/null 2>&1; then
+	nft -f /dev/stdin <<-EOF
+		table ip6 filter {
+			chain input {
+				type filter hook input priority 0;
+				drop
+			}
+			chain forward {
+				type filter hook forward priority 0;
+				drop
+			}
+			chain output {
+				type filter hook output priority 0;
+				drop
+			}
+		}
+	EOF
+	fi
+}
+
+reload() {
+	checkkernel || return 1
+	ebegin "Flushing firewall"
+	clear
+	start
+}
+
+save() {
+	ebegin "Saving nftables state"
+	checkpath -q -d "$(dirname "${NFTABLES_SAVE}")"
+	checkpath -q -m 0600 -f "${NFTABLES_SAVE}"
+	export SAVE_OPTIONS
+	_nftables store "${NFTABLES_SAVE}"
+	return $?
+}
+
+start() {
+	ebegin "Loading nftables state and starting firewall"
+	clear
+	_nftables load "${NFTABLES_SAVE}"
+	eend ${?}
+}
+
+stop() {
+	if yesno "${SAVE_ON_STOP:-yes}"; then
+		save || return 1
+	fi
+
+	ebegin "Stopping firewall"
+	clear
+	eend ${?}
+}
+
+checkconfig() {
+	if [ ! -f "${NFTABLES_SAVE}" ]; then
+		eerror "Not starting nftables.  First create some rules then run:"
+		eerror "rc-service nftables save"
+		return 1
+	fi
+	return 0
+}
+
+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
+	return 0
+}

sdk_container/src/third_party/portage-stable/net-firewall/nftables/files/systemd/nftables-load.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=Load nftables firewall rules
+# if both are queued for some reason, don't store before restoring :)
+Before=nftables-store.service
+# sounds reasonable to have firewall up before any of the services go up
+Before=network-pre.target
+Wants=network-pre.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/libexec/nftables/nftables.sh load /var/lib/nftables/rules-save
+
+[Install]
+WantedBy=basic.target

sdk_container/src/third_party/portage-stable/net-firewall/nftables/files/systemd/nftables-restore.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=Store and restore nftables firewall rules
+ConditionPathExists=/var/lib/nftables/rules-save
+Before=network-pre.target
+Wants=network-pre.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/usr/libexec/nftables/nftables.sh load /var/lib/nftables/rules-save
+ExecStop=/usr/libexec/nftables/nftables.sh store /var/lib/nftables/rules-save
+
+[Install]
+WantedBy=basic.target

sdk_container/src/third_party/portage-stable/net-firewall/nftables/files/systemd/nftables-store.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=Store nftables firewall rules
+Before=shutdown.target
+DefaultDependencies=No
+
+[Service]
+Type=oneshot
+ExecStart=/usr/libexec/nftables/nftables.sh store /var/lib/nftables/rules-save
+
+[Install]
+WantedBy=shutdown.target

sdk_container/src/third_party/portage-stable/net-firewall/nftables/metadata.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<maintainer type="project">
 		<email>base-system@gentoo.org</email>
@@ -9,14 +9,9 @@
 		<email>prometheanfire@gentoo.org</email>
 		<name>Matthew Thode</name>
 	</maintainer>
-	<maintainer type="person" proxied="yes">
-		<email>klondike@gentoo.org</email>
-		<name>Francisco Blas Izquierdo Riera</name>
-	</maintainer>
 	<use>
 		<flag name="doc">Create man pages for the package (requires <pkg>app-text/asciidoc</pkg>)</flag>
 		<flag name="json">Enable JSON support via <pkg>dev-libs/jansson</pkg></flag>
-		<flag name="modern-kernel">Install init scripts for 3.18 or higher kernels with atomic rule updates</flag>
 		<flag name="xtables">Add libxtables support to try to automatically translate rules added by iptables-compat</flag>
 	</use>
 </pkgmetadata>

sdk_container/src/third_party/portage-stable/net-firewall/nftables/nftables-0.9.9-r2.ebuild

@@ -1,121 +0,0 @@
-# Copyright 1999-2021 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-PYTHON_COMPAT=( python3_{6..11} )
-
-inherit autotools linux-info python-r1 systemd
-
-DESCRIPTION="Linux kernel (3.13+) firewall, NAT and packet mangling tools"
-HOMEPAGE="https://netfilter.org/projects/nftables/"
-
-if [[ ${PV} =~ ^[9]{4,}$ ]]; then
-	inherit git-r3
-	EGIT_REPO_URI="https://git.netfilter.org/${PN}"
-
-	BDEPEND="
-		sys-devel/bison
-		sys-devel/flex
-	"
-else
-	SRC_URI="https://netfilter.org/projects/nftables/files/${P}.tar.bz2"
-	KEYWORDS="amd64 arm arm64 ~ia64 ppc ~ppc64 ~riscv sparc x86"
-fi
-
-LICENSE="GPL-2"
-SLOT="0/1"
-IUSE="debug doc +gmp json libedit +modern-kernel python +readline static-libs xtables"
-
-RDEPEND="
-	>=net-libs/libmnl-1.0.4:0=
-	>=net-libs/libnftnl-1.2.0:0=
-	gmp? ( dev-libs/gmp:0= )
-	json? ( dev-libs/jansson:= )
-	python? ( ${PYTHON_DEPS} )
-	readline? ( sys-libs/readline:0= )
-	xtables? ( >=net-firewall/iptables-1.6.1 )
-"
-
-DEPEND="${RDEPEND}"
-
-BDEPEND+="
-	doc? (
-		app-text/asciidoc
-		>=app-text/docbook2X-0.8.8-r4
-	)
-	virtual/pkgconfig
-"
-
-REQUIRED_USE="
-	python? ( ${PYTHON_REQUIRED_USE} )
-	libedit? ( !readline )
-"
-
-PATCHES=(
-	"${FILESDIR}/${PN}-0.9.8-slibtool.patch"
-)
-
-python_make() {
-	emake \
-		-C py \
-		abs_builddir="${S}" \
-		DESTDIR="${D}" \
-		PYTHON_BIN="${PYTHON}" \
-		"${@}"
-}
-
-pkg_setup() {
-	if kernel_is ge 3 13; then
-		if use modern-kernel && kernel_is lt 3 18; then
-			eerror "The modern-kernel USE flag requires kernel version 3.18 or newer to work properly."
-		fi
-		CONFIG_CHECK="~NF_TABLES"
-		linux-info_pkg_setup
-	else
-		eerror "This package requires kernel version 3.13 or newer to work properly."
-	fi
-}
-
-src_prepare() {
-	default
-
-	# fix installation path for doc stuff
-	sed '/^pkgsysconfdir/s@${sysconfdir}.*$@${docdir}/skels@' \
-		-i files/nftables/Makefile.am || die
-	sed '/^pkgsysconfdir/s@${sysconfdir}.*$@${docdir}/skels/osf@' \
-		-i files/osf/Makefile.am || die
-
-	eautoreconf
-}
-
-src_configure() {
-	local myeconfargs=(
-		# We handle python separately
-		--disable-python
-		--sbindir="${EPREFIX}"/sbin
-		--sysconfdir="${EPREFIX}"/usr/share 
-		$(use_enable debug)
-		$(use_enable doc man-doc)
-		$(use_with !gmp mini_gmp)
-		$(use_with json)
-		$(use_with libedit cli editline)
-		$(use_with readline cli readline)
-		$(use_enable static-libs static)
-		$(use_with xtables)
-	)
-	econf "${myeconfargs[@]}"
-}
-
-src_compile() {
-	default
-
-	if use python; then
-		python_foreach_impl python_make
-	fi
-}
-
-src_install() {
-	default
-	find "${ED}" -type f -name "*.la" -delete || die
-}

sdk_container/src/third_party/portage-stable/net-firewall/nftables/nftables-1.1.1-r1.ebuild

@@ -0,0 +1,233 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_OPTIONAL=1
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{10..13} )
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/netfilter.org.asc
+inherit eapi9-ver edo linux-info distutils-r1 systemd verify-sig
+
+DESCRIPTION="Linux kernel firewall, NAT and packet mangling tools"
+HOMEPAGE="https://netfilter.org/projects/nftables/"
+
+if [[ ${PV} =~ ^[9]{4,}$ ]]; then
+	inherit autotools git-r3
+	EGIT_REPO_URI="https://git.netfilter.org/${PN}"
+	BDEPEND="app-alternatives/yacc"
+else
+	SRC_URI="
+		https://netfilter.org/projects/nftables/files/${P}.tar.xz
+		verify-sig? ( https://netfilter.org/projects/nftables/files/${P}.tar.xz.sig )
+	"
+	KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+	BDEPEND="verify-sig? ( sec-keys/openpgp-keys-netfilter )"
+fi
+
+# See COPYING: new code is GPL-2+, existing code is GPL-2
+LICENSE="GPL-2 GPL-2+"
+SLOT="0/1"
+IUSE="debug doc +gmp json libedit python +readline static-libs test xtables"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=net-libs/libmnl-1.0.4:=
+	>=net-libs/libnftnl-1.2.8:=
+	gmp? ( dev-libs/gmp:= )
+	json? ( dev-libs/jansson:= )
+	python? ( ${PYTHON_DEPS} )
+	readline? ( sys-libs/readline:= )
+	xtables? ( >=net-firewall/iptables-1.6.1:= )
+"
+DEPEND="${RDEPEND}"
+BDEPEND+="
+	app-alternatives/lex
+	virtual/pkgconfig
+	doc? (
+		app-text/asciidoc
+		>=app-text/docbook2X-0.8.8-r4
+	)
+	python? ( ${DISTUTILS_DEPS} )
+"
+
+REQUIRED_USE="
+	python? ( ${PYTHON_REQUIRED_USE} )
+	libedit? ( !readline )
+"
+
+src_prepare() {
+	default
+
+	if [[ ${PV} =~ ^[9]{4,}$ ]] ; then
+		eautoreconf
+	fi
+
+	if use python; then
+		pushd py >/dev/null || die
+		distutils-r1_src_prepare
+		popd >/dev/null || die
+	fi
+}
+
+src_configure() {
+	local myeconfargs=(
+		--sbindir="${EPREFIX}"/sbin
+		$(use_enable debug)
+		$(use_enable doc man-doc)
+		$(use_with !gmp mini_gmp)
+		$(use_with json)
+		$(use_with libedit cli editline)
+		$(use_with readline cli readline)
+		$(use_enable static-libs static)
+		$(use_with xtables)
+	)
+
+	econf "${myeconfargs[@]}"
+
+	if use python; then
+		pushd py >/dev/null || die
+		distutils-r1_src_configure
+		popd >/dev/null || die
+	fi
+}
+
+src_compile() {
+	default
+
+	if use python; then
+		pushd py >/dev/null || die
+		distutils-r1_src_compile
+		popd >/dev/null || die
+	fi
+}
+
+src_test() {
+	emake check
+
+	if [[ ${EUID} == 0 ]]; then
+		edo tests/shell/run-tests.sh -v
+	else
+		ewarn "Skipping shell tests (requires root)"
+	fi
+
+	if use python; then
+		pushd tests/py >/dev/null || die
+		distutils-r1_src_test
+		popd >/dev/null || die
+	fi
+}
+
+python_test() {
+	if [[ ${EUID} == 0 ]]; then
+		edo "${EPYTHON}" nft-test.py
+	else
+		ewarn "Skipping Python tests (requires root)"
+	fi
+}
+
+src_install() {
+	default
+
+	if ! use doc && [[ ! ${PV} =~ ^[9]{4,}$ ]]; then
+		pushd doc >/dev/null || die
+		doman *.?
+		popd >/dev/null || die
+	fi
+
+	# Do it here instead of in src_prepare to avoid eautoreconf
+	# rmdir lets us catch if more files end up installed in /etc/nftables
+	dodir /usr/share/doc/${PF}/skels/
+	mv "${ED}"/etc/nftables/osf "${ED}"/usr/share/doc/${PF}/skels/osf || die
+	rmdir "${ED}"/etc/nftables || die
+
+	exeinto /usr/libexec/${PN}
+	newexe "${FILESDIR}"/libexec/${PN}-mk.sh ${PN}.sh
+	newconfd "${FILESDIR}"/${PN}-mk.confd ${PN}
+	newinitd "${FILESDIR}"/${PN}-mk.init-r1 ${PN}
+	keepdir /var/lib/nftables
+
+	systemd_dounit "${FILESDIR}"/systemd/${PN}-load.service
+	systemd_dounit "${FILESDIR}"/systemd/${PN}-store.service
+
+	if use python ; then
+		pushd py >/dev/null || die
+		distutils-r1_src_install
+		popd >/dev/null || die
+	fi
+
+	find "${ED}" -type f -name "*.la" -delete || die
+}
+
+pkg_preinst() {
+	local stderr
+
+	# There's a history of regressions with nftables upgrades. Perform a
+	# safety check to help us spot them earlier. For the check to pass, the
+	# currently loaded ruleset, if any, must be successfully evaluated by
+	# the newly built instance of nft(8).
+	if [[ -n ${ROOT} ]] || [[ ! -d /sys/module/nftables ]] || [[ ! -x /sbin/nft ]]; then
+		# Either nftables isn't yet in use or nft(8) cannot be executed.
+		return
+	elif ! stderr=$(umask 177; /sbin/nft -t list ruleset 2>&1 >"${T}"/ruleset.nft); then
+		# Report errors induced by trying to list the ruleset but don't
+		# treat them as being fatal.
+		printf '%s\n' "${stderr}" >&2
+	elif [[ ${stderr} == *"is managed by iptables-nft"* ]]; then
+		# Rulesets generated by iptables-nft are special in nature and
+		# will not always be printed in a way that constitutes a valid
+		# syntax for ntf(8). Ignore them.
+		return
+	elif set -- "${ED}"/usr/lib*/libnftables.so;
+		! LD_LIBRARY_PATH=${1%/*} "${ED}"/sbin/nft -c -f -- "${T}"/ruleset.nft
+	then
+		eerror "Your currently loaded ruleset cannot be parsed by the newly built instance of"
+		eerror "nft. This probably means that there is a regression introduced by v${PV}."
+		eerror "(To make the ebuild fail instead of warning, set NFTABLES_ABORT_ON_RELOAD_FAILURE=1.)"
+		if [[ -n ${NFTABLES_ABORT_ON_RELOAD_FAILURE} ]] ; then
+			die "Aborting because of failed nft reload!"
+		fi
+	fi
+}
+
+pkg_postinst() {
+	local save_file
+	save_file="${EROOT}"/var/lib/nftables/rules-save
+
+	# In order for the nftables-load systemd service to start
+	# the save_file must exist.
+	if [[ ! -f "${save_file}" ]]; then
+		( umask 177; touch "${save_file}" )
+	elif [[ $(( "$( stat --printf '%05a' "${save_file}" )" & 07177 )) -ne 0 ]]; then
+		ewarn "Your system has dangerous permissions for ${save_file}"
+		ewarn "It is probably affected by bug #691326."
+		ewarn "You may need to fix the permissions of the file. To do so,"
+		ewarn "you can run the command in the line below as root."
+		ewarn "    'chmod 600 \"${save_file}\"'"
+	fi
+
+	if has_version 'sys-apps/systemd'; then
+		if ver_replacing -lt "1.1.1-r1"; then
+			elog "Starting with ${PN}-1.1.1-r1, the ${PN}-restore.service has"
+			elog "been split into ${PN}-load.service and ${PN}-store.service."
+			elog
+		fi
+		elog "If you wish to enable the firewall rules on boot (on systemd) you"
+		elog "will need to enable the nftables-load service."
+		elog "    'systemctl enable ${PN}-load.service'"
+		elog
+		elog "Enable nftables-store.service if you want firewall rules to be"
+		elog "saved at shutdown."
+	fi
+
+	if has_version 'sys-apps/openrc'; then
+		elog "If you wish to enable the firewall rules on boot (on openrc) you"
+		elog "will need to enable the nftables service."
+		elog "    'rc-update add ${PN} default'"
+		elog
+		elog "If you are creating or updating the firewall rules and wish to save"
+		elog "them to be loaded on the next restart, use the \"save\" functionality"
+		elog "in the init script."
+		elog "    'rc-service ${PN} save'"
+	fi
+}

sdk_container/src/third_party/portage-stable/net-firewall/nftables/nftables-1.1.1.ebuild

@@ -0,0 +1,228 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_OPTIONAL=1
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{10..13} )
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/netfilter.org.asc
+inherit edo linux-info distutils-r1 systemd verify-sig
+
+DESCRIPTION="Linux kernel firewall, NAT and packet mangling tools"
+HOMEPAGE="https://netfilter.org/projects/nftables/"
+
+if [[ ${PV} =~ ^[9]{4,}$ ]]; then
+	inherit autotools git-r3
+	EGIT_REPO_URI="https://git.netfilter.org/${PN}"
+	BDEPEND="app-alternatives/yacc"
+else
+	SRC_URI="
+		https://netfilter.org/projects/nftables/files/${P}.tar.xz
+		verify-sig? ( https://netfilter.org/projects/nftables/files/${P}.tar.xz.sig )
+	"
+	KEYWORDS="amd64 arm arm64 hppa ~loong ~mips ppc ppc64 ~riscv sparc x86"
+	BDEPEND="verify-sig? ( sec-keys/openpgp-keys-netfilter )"
+fi
+
+# See COPYING: new code is GPL-2+, existing code is GPL-2
+LICENSE="GPL-2 GPL-2+"
+SLOT="0/1"
+IUSE="debug doc +gmp json libedit python +readline static-libs test xtables"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=net-libs/libmnl-1.0.4:=
+	>=net-libs/libnftnl-1.2.8:=
+	gmp? ( dev-libs/gmp:= )
+	json? ( dev-libs/jansson:= )
+	python? ( ${PYTHON_DEPS} )
+	readline? ( sys-libs/readline:= )
+	xtables? ( >=net-firewall/iptables-1.6.1:= )
+"
+DEPEND="${RDEPEND}"
+BDEPEND+="
+	app-alternatives/lex
+	virtual/pkgconfig
+	doc? (
+		app-text/asciidoc
+		>=app-text/docbook2X-0.8.8-r4
+	)
+	python? ( ${DISTUTILS_DEPS} )
+"
+
+REQUIRED_USE="
+	python? ( ${PYTHON_REQUIRED_USE} )
+	libedit? ( !readline )
+"
+
+src_prepare() {
+	default
+
+	if [[ ${PV} =~ ^[9]{4,}$ ]] ; then
+		eautoreconf
+	fi
+
+	if use python; then
+		pushd py >/dev/null || die
+		distutils-r1_src_prepare
+		popd >/dev/null || die
+	fi
+}
+
+src_configure() {
+	local myeconfargs=(
+		--sbindir="${EPREFIX}"/sbin
+		$(use_enable debug)
+		$(use_enable doc man-doc)
+		$(use_with !gmp mini_gmp)
+		$(use_with json)
+		$(use_with libedit cli editline)
+		$(use_with readline cli readline)
+		$(use_enable static-libs static)
+		$(use_with xtables)
+	)
+
+	econf "${myeconfargs[@]}"
+
+	if use python; then
+		pushd py >/dev/null || die
+		distutils-r1_src_configure
+		popd >/dev/null || die
+	fi
+}
+
+src_compile() {
+	default
+
+	if use python; then
+		pushd py >/dev/null || die
+		distutils-r1_src_compile
+		popd >/dev/null || die
+	fi
+}
+
+src_test() {
+	emake check
+
+	if [[ ${EUID} == 0 ]]; then
+		edo tests/shell/run-tests.sh -v
+	else
+		ewarn "Skipping shell tests (requires root)"
+	fi
+
+	if use python; then
+		pushd tests/py >/dev/null || die
+		distutils-r1_src_test
+		popd >/dev/null || die
+	fi
+}
+
+python_test() {
+	if [[ ${EUID} == 0 ]]; then
+		edo "${EPYTHON}" nft-test.py
+	else
+		ewarn "Skipping Python tests (requires root)"
+	fi
+}
+
+src_install() {
+	default
+
+	if ! use doc && [[ ! ${PV} =~ ^[9]{4,}$ ]]; then
+		pushd doc >/dev/null || die
+		doman *.?
+		popd >/dev/null || die
+	fi
+
+	# Do it here instead of in src_prepare to avoid eautoreconf
+	# rmdir lets us catch if more files end up installed in /etc/nftables
+	dodir /usr/share/doc/${PF}/skels/
+	mv "${ED}"/etc/nftables/osf "${ED}"/usr/share/doc/${PF}/skels/osf || die
+	rmdir "${ED}"/etc/nftables || die
+
+	exeinto /usr/libexec/${PN}
+	newexe "${FILESDIR}"/libexec/${PN}-mk.sh ${PN}.sh
+	newconfd "${FILESDIR}"/${PN}-mk.confd ${PN}
+	newinitd "${FILESDIR}"/${PN}-mk.init-r1 ${PN}
+	keepdir /var/lib/nftables
+
+	systemd_dounit "${FILESDIR}"/systemd/${PN}-restore.service
+
+	if use python ; then
+		pushd py >/dev/null || die
+		distutils-r1_src_install
+		popd >/dev/null || die
+	fi
+
+	find "${ED}" -type f -name "*.la" -delete || die
+}
+
+pkg_preinst() {
+	local stderr
+
+	# There's a history of regressions with nftables upgrades. Perform a
+	# safety check to help us spot them earlier. For the check to pass, the
+	# currently loaded ruleset, if any, must be successfully evaluated by
+	# the newly built instance of nft(8).
+	if [[ -n ${ROOT} ]] || [[ ! -d /sys/module/nftables ]] || [[ ! -x /sbin/nft ]]; then
+		# Either nftables isn't yet in use or nft(8) cannot be executed.
+		return
+	elif ! stderr=$(umask 177; /sbin/nft -t list ruleset 2>&1 >"${T}"/ruleset.nft); then
+		# Report errors induced by trying to list the ruleset but don't
+		# treat them as being fatal.
+		printf '%s\n' "${stderr}" >&2
+	elif [[ ${stderr} == *"is managed by iptables-nft"* ]]; then
+		# Rulesets generated by iptables-nft are special in nature and
+		# will not always be printed in a way that constitutes a valid
+		# syntax for ntf(8). Ignore them.
+		return
+	elif set -- "${ED}"/usr/lib*/libnftables.so;
+		! LD_LIBRARY_PATH=${1%/*} "${ED}"/sbin/nft -c -f -- "${T}"/ruleset.nft
+	then
+		eerror "Your currently loaded ruleset cannot be parsed by the newly built instance of"
+		eerror "nft. This probably means that there is a regression introduced by v${PV}."
+		eerror "(To make the ebuild fail instead of warning, set NFTABLES_ABORT_ON_RELOAD_FAILURE=1.)"
+		if [[ -n ${NFTABLES_ABORT_ON_RELOAD_FAILURE} ]] ; then
+			die "Aborting because of failed nft reload!"
+		fi
+	fi
+}
+
+pkg_postinst() {
+	local save_file
+	save_file="${EROOT}"/var/lib/nftables/rules-save
+
+	# In order for the nftables-restore systemd service to start
+	# the save_file must exist.
+	if [[ ! -f "${save_file}" ]]; then
+		( umask 177; touch "${save_file}" )
+	elif [[ $(( "$( stat --printf '%05a' "${save_file}" )" & 07177 )) -ne 0 ]]; then
+		ewarn "Your system has dangerous permissions for ${save_file}"
+		ewarn "It is probably affected by bug #691326."
+		ewarn "You may need to fix the permissions of the file. To do so,"
+		ewarn "you can run the command in the line below as root."
+		ewarn "    'chmod 600 \"${save_file}\"'"
+	fi
+
+	if has_version 'sys-apps/systemd'; then
+		elog "If you wish to enable the firewall rules on boot (on systemd) you"
+		elog "will need to enable the nftables-restore service."
+		elog "    'systemctl enable ${PN}-restore.service'"
+		elog
+		elog "If you are creating firewall rules before the next system restart"
+		elog "the nftables-restore service must be manually started in order to"
+		elog "save those rules on shutdown."
+	fi
+
+	if has_version 'sys-apps/openrc'; then
+		elog "If you wish to enable the firewall rules on boot (on openrc) you"
+		elog "will need to enable the nftables service."
+		elog "    'rc-update add ${PN} default'"
+		elog
+		elog "If you are creating or updating the firewall rules and wish to save"
+		elog "them to be loaded on the next restart, use the \"save\" functionality"
+		elog "in the init script."
+		elog "    'rc-service ${PN} save'"
+	fi
+}

sdk_container/src/third_party/portage-stable/net-firewall/nftables/nftables-9999.ebuild

@@ -0,0 +1,233 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_OPTIONAL=1
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{10..13} )
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/netfilter.org.asc
+inherit eapi9-ver edo linux-info distutils-r1 systemd verify-sig
+
+DESCRIPTION="Linux kernel firewall, NAT and packet mangling tools"
+HOMEPAGE="https://netfilter.org/projects/nftables/"
+
+if [[ ${PV} =~ ^[9]{4,}$ ]]; then
+	inherit autotools git-r3
+	EGIT_REPO_URI="https://git.netfilter.org/${PN}"
+	BDEPEND="app-alternatives/yacc"
+else
+	SRC_URI="
+		https://netfilter.org/projects/nftables/files/${P}.tar.xz
+		verify-sig? ( https://netfilter.org/projects/nftables/files/${P}.tar.xz.sig )
+	"
+	KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+	BDEPEND="verify-sig? ( sec-keys/openpgp-keys-netfilter )"
+fi
+
+# See COPYING: new code is GPL-2+, existing code is GPL-2
+LICENSE="GPL-2 GPL-2+"
+SLOT="0/1"
+IUSE="debug doc +gmp json libedit python +readline static-libs test xtables"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=net-libs/libmnl-1.0.4:=
+	>=net-libs/libnftnl-1.2.8:=
+	gmp? ( dev-libs/gmp:= )
+	json? ( dev-libs/jansson:= )
+	python? ( ${PYTHON_DEPS} )
+	readline? ( sys-libs/readline:= )
+	xtables? ( >=net-firewall/iptables-1.6.1:= )
+"
+DEPEND="${RDEPEND}"
+BDEPEND+="
+	app-alternatives/lex
+	virtual/pkgconfig
+	doc? (
+		app-text/asciidoc
+		>=app-text/docbook2X-0.8.8-r4
+	)
+	python? ( ${DISTUTILS_DEPS} )
+"
+
+REQUIRED_USE="
+	python? ( ${PYTHON_REQUIRED_USE} )
+	libedit? ( !readline )
+"
+
+src_prepare() {
+	default
+
+	if [[ ${PV} =~ ^[9]{4,}$ ]] ; then
+		eautoreconf
+	fi
+
+	if use python; then
+		pushd py >/dev/null || die
+		distutils-r1_src_prepare
+		popd >/dev/null || die
+	fi
+}
+
+src_configure() {
+	local myeconfargs=(
+		--sbindir="${EPREFIX}"/sbin
+		$(use_enable debug)
+		$(use_enable doc man-doc)
+		$(use_with !gmp mini_gmp)
+		$(use_with json)
+		$(use_with libedit cli editline)
+		$(use_with readline cli readline)
+		$(use_enable static-libs static)
+		$(use_with xtables)
+	)
+
+	econf "${myeconfargs[@]}"
+
+	if use python; then
+		pushd py >/dev/null || die
+		distutils-r1_src_configure
+		popd >/dev/null || die
+	fi
+}
+
+src_compile() {
+	default
+
+	if use python; then
+		pushd py >/dev/null || die
+		distutils-r1_src_compile
+		popd >/dev/null || die
+	fi
+}
+
+src_test() {
+	emake check
+
+	if [[ ${EUID} == 0 ]]; then
+		edo tests/shell/run-tests.sh -v
+	else
+		ewarn "Skipping shell tests (requires root)"
+	fi
+
+	if use python; then
+		pushd tests/py >/dev/null || die
+		distutils-r1_src_test
+		popd >/dev/null || die
+	fi
+}
+
+python_test() {
+	if [[ ${EUID} == 0 ]]; then
+		edo "${EPYTHON}" nft-test.py
+	else
+		ewarn "Skipping Python tests (requires root)"
+	fi
+}
+
+src_install() {
+	default
+
+	if ! use doc && [[ ! ${PV} =~ ^[9]{4,}$ ]]; then
+		pushd doc >/dev/null || die
+		doman *.?
+		popd >/dev/null || die
+	fi
+
+	# Do it here instead of in src_prepare to avoid eautoreconf
+	# rmdir lets us catch if more files end up installed in /etc/nftables
+	dodir /usr/share/doc/${PF}/skels/
+	mv "${ED}"/etc/nftables/osf "${ED}"/usr/share/doc/${PF}/skels/osf || die
+	rmdir "${ED}"/etc/nftables || die
+
+	exeinto /usr/libexec/${PN}
+	newexe "${FILESDIR}"/libexec/${PN}-mk.sh ${PN}.sh
+	newconfd "${FILESDIR}"/${PN}-mk.confd ${PN}
+	newinitd "${FILESDIR}"/${PN}-mk.init-r1 ${PN}
+	keepdir /var/lib/nftables
+
+	systemd_dounit "${FILESDIR}"/systemd/${PN}-load.service
+	systemd_dounit "${FILESDIR}"/systemd/${PN}-store.service
+
+	if use python ; then
+		pushd py >/dev/null || die
+		distutils-r1_src_install
+		popd >/dev/null || die
+	fi
+
+	find "${ED}" -type f -name "*.la" -delete || die
+}
+
+pkg_preinst() {
+	local stderr
+
+	# There's a history of regressions with nftables upgrades. Perform a
+	# safety check to help us spot them earlier. For the check to pass, the
+	# currently loaded ruleset, if any, must be successfully evaluated by
+	# the newly built instance of nft(8).
+	if [[ -n ${ROOT} ]] || [[ ! -d /sys/module/nftables ]] || [[ ! -x /sbin/nft ]]; then
+		# Either nftables isn't yet in use or nft(8) cannot be executed.
+		return
+	elif ! stderr=$(umask 177; /sbin/nft -t list ruleset 2>&1 >"${T}"/ruleset.nft); then
+		# Report errors induced by trying to list the ruleset but don't
+		# treat them as being fatal.
+		printf '%s\n' "${stderr}" >&2
+	elif [[ ${stderr} == *"is managed by iptables-nft"* ]]; then
+		# Rulesets generated by iptables-nft are special in nature and
+		# will not always be printed in a way that constitutes a valid
+		# syntax for ntf(8). Ignore them.
+		return
+	elif set -- "${ED}"/usr/lib*/libnftables.so;
+		! LD_LIBRARY_PATH=${1%/*} "${ED}"/sbin/nft -c -f -- "${T}"/ruleset.nft
+	then
+		eerror "Your currently loaded ruleset cannot be parsed by the newly built instance of"
+		eerror "nft. This probably means that there is a regression introduced by v${PV}."
+		eerror "(To make the ebuild fail instead of warning, set NFTABLES_ABORT_ON_RELOAD_FAILURE=1.)"
+		if [[ -n ${NFTABLES_ABORT_ON_RELOAD_FAILURE} ]] ; then
+			die "Aborting because of failed nft reload!"
+		fi
+	fi
+}
+
+pkg_postinst() {
+	local save_file
+	save_file="${EROOT}"/var/lib/nftables/rules-save
+
+	# In order for the nftables-load systemd service to start
+	# the save_file must exist.
+	if [[ ! -f "${save_file}" ]]; then
+		( umask 177; touch "${save_file}" )
+	elif [[ $(( "$( stat --printf '%05a' "${save_file}" )" & 07177 )) -ne 0 ]]; then
+		ewarn "Your system has dangerous permissions for ${save_file}"
+		ewarn "It is probably affected by bug #691326."
+		ewarn "You may need to fix the permissions of the file. To do so,"
+		ewarn "you can run the command in the line below as root."
+		ewarn "    'chmod 600 \"${save_file}\"'"
+	fi
+
+	if has_version 'sys-apps/systemd'; then
+		if ver_replacing -lt "1.1.1-r1"; then
+			elog "Starting with ${PN}-1.1.1-r1, the ${PN}-restore.service has"
+			elog "been split into ${PN}-load.service and ${PN}-store.service."
+			elog
+		fi
+		elog "If you wish to enable the firewall rules on boot (on systemd) you"
+		elog "will need to enable the nftables-load service."
+		elog "    'systemctl enable ${PN}-load.service'"
+		elog
+		elog "Enable nftables-store.service if you want firewall rules to be"
+		elog "saved at shutdown."
+	fi
+
+	if has_version 'sys-apps/openrc'; then
+		elog "If you wish to enable the firewall rules on boot (on openrc) you"
+		elog "will need to enable the nftables service."
+		elog "    'rc-update add ${PN} default'"
+		elog
+		elog "If you are creating or updating the firewall rules and wish to save"
+		elog "them to be loaded on the next restart, use the \"save\" functionality"
+		elog "in the init script."
+		elog "    'rc-service ${PN} save'"
+	fi
+}