net-firewall/xtables-addons: add 3.20 (5.17+ compat)

Closes: https://bugs.gentoo.org/839105
Bug: https://bugs.gentoo.org/836595
Bug: https://bugs.gentoo.org/832666
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 190 insertions, 0 deletions

diff --git a/net-firewall/xtables-addons/Manifest b/net-firewall/xtables-addons/Manifest
index cfa575df5668..af630a4dddf4 100644
--- a/net-firewall/xtables-addons/Manifest
+++ b/net-firewall/xtables-addons/Manifest
@@ -1,2 +1,3 @@
 DIST xtables-addons-3.13.tar.xz 327104 BLAKE2B 110719a7425060a79df0643ea35cf28ac62af811dde0f6744cf75b632809ff02518366e12ecdf8b017648b85843e689735629fc099b23b21b1999afa3a2e5c69 SHA512 0a9874269dafefe2fc364b41d3f5fb2108ba83dc49457f3aa436b814c8c65fb00f48f664576c8ccf183939edffa854fcf9f9c82a801ac90c0e2b9dc1426e1d85
 DIST xtables-addons-3.18.tar.xz 328624 BLAKE2B 9662773c4bd5464ca789975762233299ca194977d5605a3c5f9a8a5a15f51afa4c33c8c17fd622af301a0f377542b6497eac5ce7e23719d238de5df51a9554b1 SHA512 b334642ce9b6ec3fc775ddbe6b66d70467fdcbfe30dcb165dac203f9d7fcd222dfd8c91e10befa3666bf572115dc75ed32d8ece05ed2947a4ed21d1d09032b8f
+DIST xtables-addons-3.20.tar.xz 333232 BLAKE2B bc6df6d6e56bd539dc649d312fe84a5fe9e4743d6b1f72f3b3bb4689cea91cef9051754d30e530fa3140b877a67b2f84490740e669993669a1ee515d0a434b8d SHA512 0a38c12159dd555a31f24dc5a74d012b27723925df827edffe2343f6b8e61e838b5dc4776bafe37587e9622b9da1e9cd4220e4f576d58e78eb21ad18a419fb2e
diff --git a/net-firewall/xtables-addons/xtables-addons-3.20.ebuild b/net-firewall/xtables-addons/xtables-addons-3.20.ebuild
new file mode 100644
index 000000000000..5cbe698ab496
--- /dev/null
+++ b/net-firewall/xtables-addons/xtables-addons-3.20.ebuild
@@ -0,0 +1,189 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+MODULES_OPTIONAL_USE=modules
+MODULES_OPTIONAL_USE_IUSE_DEFAULT=1
+inherit linux-info linux-mod multilib toolchain-funcs
+
+DESCRIPTION="iptables extensions not yet accepted in the main kernel"
+HOMEPAGE="https://inai.de/projects/xtables-addons/"
+SRC_URI="https://inai.de/files/xtables-addons/${P}.tar.xz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+MODULES="quota2 psd pknock lscan length2 ipv4options ipp2p iface gradm geoip fuzzy condition tarpit sysrq proto logmark ipmark echo dnetmap dhcpmac delude chaos account"
+
+for mod in ${MODULES}; do
+	IUSE="${IUSE} xtables_addons_${mod}"
+done
+
+DEPEND=">=net-firewall/iptables-1.6.0"
+
+RDEPEND="${DEPEND}
+	xtables_addons_geoip? (
+		app-arch/unzip
+		dev-perl/Net-CIDR-Lite
+		dev-perl/Text-CSV_XS
+		virtual/perl-Getopt-Long
+	)
+"
+
+DEPEND="${DEPEND}
+	virtual/linux-sources"
+
+SKIP_MODULES=""
+
+XA_check4internal_module() {
+	local mod=${1}
+	local version=${3}
+	local kconfigname=${3}
+
+	if use xtables_addons_${mod} && kernel_is -gt ${version}; then
+		ewarn "${kconfigname} should be provided by the kernel. Skipping its build..."
+		if ! linux_chkconfig_present ${kconfigname}; then
+			ewarn "Please enable ${kconfigname} target in your kernel
+			configuration or disable checksum module in ${PN}."
+		fi
+		# SKIP_MODULES in case we need to disable building of everything
+		# like having this USE disabled
+		SKIP_MODULES+=" ${mod}"
+	fi
+}
+
+pkg_setup() {
+	if use modules; then
+		get_version
+		check_modules_supported
+		CONFIG_CHECK="NF_CONNTRACK NF_CONNTRACK_MARK ~CONNECTOR"
+		ERROR_CONNECTOR="Please, enable CONFIG_CONNECTOR if you wish to receive userspace notifications from pknock through netlink/connector"
+		linux-mod_pkg_setup
+
+		if ! linux_chkconfig_present IPV6; then
+			SKIP_IPV6_MODULES="ip6table_rawpost"
+			ewarn "No IPV6 support in kernel. Disabling: ${SKIP_IPV6_MODULES}"
+		fi
+		kernel_is -lt 4 18 && die "${P} requires kernel version >= 4.18"
+	fi
+}
+
+# Helper for maintainer: cheks if all possible MODULES are listed.
+XA_qa_check() {
+	local all_modules
+	all_modules=$(sed -n '/^build_/{s/build_\(.*\)=.*/\L\1/;G;s/\n/ /;s/ $//;h}; ${x;p}' "${S}/mconfig")
+	if [[ ${all_modules} != ${MODULES} ]]; then
+		ewarn "QA: Modules in mconfig differ from \$MODULES in ebuild."
+		ewarn "Please, update MODULES in ebuild."
+		ewarn "'${all_modules}'"
+	fi
+}
+
+# Is there any use flag set?
+XA_has_something_to_build() {
+	local mod
+	for mod in ${MODULES}; do
+		use xtables_addons_${mod} && return
+	done
+
+	eerror "All modules are disabled. What do you want me to build?"
+	eerror "Please, set XTABLES_ADDONS to any combination of"
+	eerror "${MODULES}"
+	die "All modules are disabled."
+}
+
+# Parse Kbuid files and generates list of sources
+XA_get_module_name() {
+	[[ $# != 1 ]] && die "XA_get_sources_for_mod: needs exactly one argument."
+	local mod objdir build_mod sources_list
+	mod=${1}
+	objdir=${S}/extensions
+	# Take modules name from mconfig
+	build_mod=$(sed -n "s/\(build_${mod}\)=.*/\1/Ip" "${S}/mconfig")
+	# strip .o, = and everything before = and print
+	sources_list=$(sed -n "/^obj-[$][{]${build_mod}[}]/\
+		{s:obj-[^+]\+ [+]=[[:space:]]*::;s:[.]o::g;p}" \
+				"${objdir}/Kbuild")
+
+	if [[ -d ${S}/extensions/${sources_list} ]]; then
+		objdir=${S}/extensions/${sources_list}
+		sources_list=$(sed -n "/^obj-m/\
+			{s:obj-[^+]\+ [+]=[[:space:]]*::;s:[.]o::g;p}" \
+				"${objdir}/Kbuild")
+	fi
+	for mod_src in ${sources_list}; do
+		has ${mod_src} ${SKIP_IPV6_MODULES} || \
+			echo " ${mod_src}(xtables_addons:${S}/extensions:${objdir})"
+	done
+}
+
+# Die on modules known to fail on certain kernel version.
+XA_known_failure() {
+	local module_name=$1
+	local KV_max=$2
+
+	if use xtables_addons_${module_name} && kernel_is ge ${KV_max//./ }; then
+		eerror
+		eerror "XTABLES_ADDONS=${module_name} fails to build on linux ${KV_max} or above."
+		eerror "Either remove XTABLES_ADDONS=${module_name} or use an earlier version of the kernel."
+		eerror
+		die
+	fi
+}
+
+src_prepare() {
+	XA_qa_check
+	XA_has_something_to_build
+
+	# Bug #553630#c2.  echo fails on linux-4 and above.
+	# This appears to be fixed, at least as of linux-4.2
+	# XA_known_failure "echo" 4
+
+	local mod module_name
+	if use modules; then
+		MODULE_NAMES="compat_xtables(xtables_addons:${S}/extensions:)"
+	fi
+	for mod in ${MODULES}; do
+		if ! has ${mod} ${SKIP_MODULES} && use xtables_addons_${mod}; then
+			sed "s/\(build_${mod}=\).*/\1m/I" -i mconfig || die
+			if use modules; then
+				for module_name in $(XA_get_module_name ${mod}); do
+					MODULE_NAMES+=" ${module_name}"
+				done
+			fi
+		else
+			sed "s/\(build_${mod}=\).*/\1n/I" -i mconfig || die
+		fi
+	done
+	einfo "${MODULE_NAMES}" # for debugging
+
+	sed -e 's/depmod -a/true/' -i Makefile.in || die
+	sed -e '/^all-local:/{s: modules::}' \
+		-e '/^install-exec-local:/{s: modules_install::}' \
+			-i extensions/Makefile.in || die
+
+	use xtables_addons_geoip || sed  -e '/^SUBDIRS/{s/geoip//}' -i Makefile.in
+
+	eapply_user
+}
+
+src_configure() {
+	set_arch_to_kernel # .. or it'll look for /arch/amd64/Makefile
+	econf --prefix="${EPREFIX}/" \
+		--libexecdir="${EPREFIX}/$(get_libdir)/" \
+		--with-kbuild="${KV_OUT_DIR}"
+}
+
+src_compile() {
+	emake CFLAGS="${CFLAGS}" CC="$(tc-getCC)" V=1
+	use modules && BUILD_PARAMS="V=1" BUILD_TARGETS="modules" linux-mod_src_compile
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+	use modules && linux-mod_src_install
+	dodoc -r README doc/*
+	find "${ED}" -type f -name '*.la' -exec rm -rf '{}' '+'
+}