net-firewall/ipset: Sync with Gentoo

It's from Gentoo commit 13ed346019d30425b9762b01a1d22961df3dd10b.

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

@@ -1 +1,2 @@
 DIST ipset-7.23.tar.bz2 695655 BLAKE2B a596630d12a8bcc1383475627e5e62b7be4c17570ae9d3650b9dbcac0ec46324e1ac7c0e7e11f674fb5354871538f6f15e57476ac752b1ac1415023d837904e6 SHA512 5a43c790abf157a55db5a9a22cb5f28a225f5c7969beda81566a2259aa82c9d852979eb805b11b4347f47c6a0c2cc4de6f14e4733bee5b562844422a45fb9dab
+DIST ipset-7.24.tar.bz2 695548 BLAKE2B 52e05313353e7b5fe969d5f113794238356bf900b4e7ac4693c05164ecde0826d0e911dcae67bb4103f49b587f94f561d14dcfebb78c5c231013fda7d36a81da SHA512 18ccb49bd38083f0556b11e1d17f43791c52a2b094c9a500b6f770796b17e8e70c3860a628eac2252eb672b1fc9de734d3a0e0823d61dd9be7b4188adc6dd214

sdk_container/src/third_party/portage-stable/net-firewall/ipset/files/ipset-net_namespace.patch

@@ -0,0 +1,11 @@
+--- a/configure.ac	2025-05-22 22:36:57.332625302 -0000
++++ b/configure.ac	2025-05-22 22:37:17.729090112 -0000
+@@ -401,7 +401,7 @@ fi
+ 
+ AC_MSG_CHECKING([kernel source for id in struct pernet_operations])
+ if test -f $ksourcedir/include/net/net_namespace.h && \
+-   $AWK '/^struct pernet_operations /,/^}/' $ksourcedir/include/net/net_namespace.h | $GREP -q 'int \*id;'; then
++   $AWK '/^struct pernet_operations /,/^}/' $ksourcedir/include/net/net_namespace.h | $GREP -qE 'int \*id;|int \* const id'; then
+ 	AC_MSG_RESULT(yes)
+ 	AC_SUBST(HAVE_NET_OPS_ID, define)
+ else

sdk_container/src/third_party/portage-stable/net-firewall/ipset/ipset-7.24.ebuild

@@ -0,0 +1,119 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+MODULES_OPTIONAL_IUSE=modules
+inherit autotools bash-completion-r1 linux-mod-r1 systemd
+
+DESCRIPTION="IPset tool for iptables, successor to ippool"
+HOMEPAGE="https://ipset.netfilter.org/ https://git.netfilter.org/ipset/"
+SRC_URI="https://ipset.netfilter.org/${P}.tar.bz2"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~x86"
+
+RDEPEND="
+	net-firewall/iptables
+	net-libs/libmnl:=
+"
+DEPEND="${RDEPEND}"
+BDEPEND="virtual/pkgconfig"
+
+DOCS=( ChangeLog INSTALL README UPGRADE )
+
+# configurable from outside, e.g. /etc/portage/make.conf
+IP_NF_SET_MAX=${IP_NF_SET_MAX:-256}
+
+PATCHES=(
+	"${FILESDIR}/${PN}-bash-completion.patch"
+	"${FILESDIR}/${PN}-net_namespace.patch"
+)
+
+src_prepare() {
+	default
+	eautoreconf
+}
+
+pkg_setup() {
+	get_version
+	CONFIG_CHECK="NETFILTER"
+	ERROR_NETFILTER="ipset requires NETFILTER support in your kernel."
+	CONFIG_CHECK+=" NETFILTER_NETLINK"
+	ERROR_NETFILTER_NETLINK="ipset requires NETFILTER_NETLINK support in your kernel."
+	# It does still build without NET_NS, but it may be needed in future.
+	#CONFIG_CHECK="${CONFIG_CHECK} NET_NS"
+	#ERROR_NET_NS="ipset requires NET_NS (network namespace) support in your kernel."
+	CONFIG_CHECK+=" !PAX_CONSTIFY_PLUGIN"
+	ERROR_PAX_CONSTIFY_PLUGIN="ipset contains constified variables (#614896)"
+
+	build_modules=0
+	if use modules; then
+		if linux_config_src_exists && linux_chkconfig_builtin "MODULES" ; then
+			if linux_chkconfig_present "IP_NF_SET" || \
+				linux_chkconfig_present "IP_SET"; then #274577
+				eerror "There is IP{,_NF}_SET or NETFILTER_XT_SET support in your kernel."
+				eerror "Please either build ipset with modules USE flag disabled"
+				eerror "or rebuild kernel without IP_SET support and make sure"
+				eerror "there is NO kernel ip_set* modules in /lib/modules/<your_kernel>/... ."
+				die "USE=modules and in-kernel ipset support detected."
+			else
+				einfo "Modular kernel detected. Gonna build kernel modules..."
+				build_modules=1
+			fi
+		else
+			eerror "Nonmodular kernel detected, but USE=modules. Either build"
+			eerror "modular kernel (without IP_SET) or disable USE=modules"
+			die "Nonmodular kernel detected, will not build kernel modules"
+		fi
+	fi
+
+	[[ ${build_modules} -eq 1 ]] && linux-mod-r1_pkg_setup
+}
+
+src_configure() {
+	export bashcompdir="$(get_bashcompdir)"
+
+	econf \
+		--enable-bashcompl \
+		$(use_with modules kmod) \
+		--with-maxsets=${IP_NF_SET_MAX} \
+		--with-ksource="${KV_DIR}" \
+		--with-kbuild="${KV_OUT_DIR}"
+}
+
+src_compile() {
+	einfo "Building userspace"
+
+	local modlist=( xt_set=kernel/net/netfilter/ipset/:"${S}":kernel/net/netfilter/:
+					em_ipset=kernel/net/sched:"${S}":kernel/net/sched/:modules )
+
+	for i in ip_set{,_bitmap_{ip{,mac},port},_hash_{ip{,mac,mark,port{,ip,net}},mac,net{,port{,net},iface,net}},_list_set}; do
+		modlist+=( ${i}=kernel/net/netfilter/ipset/:"${S}":kernel/net/netfilter/ipset )
+	done
+
+	emake
+
+	if [[ ${build_modules} -eq 1 ]]; then
+		einfo "Building kernel modules"
+		linux-mod-r1_src_compile
+	fi
+}
+
+src_install() {
+	einfo "Installing userspace"
+	default
+
+	find "${ED}" -name '*.la' -delete || die
+
+	newinitd "${FILESDIR}"/ipset.initd-r7 ${PN}
+	newconfd "${FILESDIR}"/ipset.confd-r1 ${PN}
+	systemd_newunit "${FILESDIR}"/ipset.systemd-r1 ${PN}.service
+	keepdir /var/lib/ipset
+
+	if [[ ${build_modules} -eq 1 ]]; then
+		einfo "Installing kernel modules"
+		linux-mod-r1_src_install
+	fi
+}