232 lines
6.7 KiB
Bash
232 lines
6.7 KiB
Bash
# Copyright 1999-2023 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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DISTUTILS_OPTIONAL=1
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PYTHON_COMPAT=( python3_{9..11} )
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VERIFY_SIG_OPENPGP_KEY_PATH="${BROOT}"/usr/share/openpgp-keys/netfilter.org.asc
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inherit edo linux-info distutils-r1 systemd verify-sig
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DESCRIPTION="Linux kernel (3.13+) firewall, NAT and packet mangling tools"
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HOMEPAGE="https://netfilter.org/projects/nftables/"
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if [[ ${PV} =~ ^[9]{4,}$ ]]; then
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inherit autotools git-r3
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EGIT_REPO_URI="https://git.netfilter.org/${PN}"
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BDEPEND="sys-devel/bison"
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else
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SRC_URI="https://netfilter.org/projects/nftables/files/${P}.tar.xz
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verify-sig? ( https://netfilter.org/projects/nftables/files/${P}.tar.xz.sig )"
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KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
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BDEPEND="verify-sig? ( sec-keys/openpgp-keys-netfilter )"
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fi
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# See COPYING: new code is GPL-2+, existing code is GPL-2
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LICENSE="GPL-2 GPL-2+"
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SLOT="0/1"
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IUSE="debug doc +gmp json libedit +modern-kernel python +readline static-libs test xtables"
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RESTRICT="!test? ( test )"
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RDEPEND="
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>=net-libs/libmnl-1.0.4:=
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>=net-libs/libnftnl-1.2.5:=
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gmp? ( dev-libs/gmp:= )
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json? ( dev-libs/jansson:= )
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python? ( ${PYTHON_DEPS} )
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readline? ( sys-libs/readline:= )
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xtables? ( >=net-firewall/iptables-1.6.1:= )
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"
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DEPEND="${RDEPEND}"
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BDEPEND+="
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sys-devel/flex
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virtual/pkgconfig
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doc? (
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app-text/asciidoc
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>=app-text/docbook2X-0.8.8-r4
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)
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python? ( ${PYTHON_DEPS} )
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"
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REQUIRED_USE="
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python? ( ${PYTHON_REQUIRED_USE} )
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libedit? ( !readline )
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"
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pkg_setup() {
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if kernel_is ge 3 13; then
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if use modern-kernel && kernel_is lt 3 18; then
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eerror "The modern-kernel USE flag requires kernel version 3.18 or newer to work properly."
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fi
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CONFIG_CHECK="~NF_TABLES"
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linux-info_pkg_setup
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else
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eerror "This package requires kernel version 3.13 or newer to work properly."
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fi
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}
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src_prepare() {
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default
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if [[ ${PV} =~ ^[9]{4,}$ ]] ; then
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eautoreconf
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fi
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if use python; then
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pushd py >/dev/null || die
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distutils-r1_src_prepare
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popd >/dev/null || die
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fi
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}
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src_configure() {
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local myeconfargs=(
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# We handle python separately
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--disable-python
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--disable-static
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--sbindir="${EPREFIX}"/sbin
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$(use_enable debug)
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$(use_enable doc man-doc)
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$(use_with !gmp mini_gmp)
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$(use_with json)
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$(use_with libedit cli editline)
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$(use_with readline cli readline)
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$(use_enable static-libs static)
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$(use_with xtables)
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)
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econf "${myeconfargs[@]}"
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if use python; then
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pushd py >/dev/null || die
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distutils-r1_src_configure
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popd >/dev/null || die
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fi
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}
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src_compile() {
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default
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if use python; then
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pushd py >/dev/null || die
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distutils-r1_src_compile
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popd >/dev/null || die
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fi
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}
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src_test() {
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emake check
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if [[ ${EUID} == 0 ]]; then
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edo tests/shell/run-tests.sh -v
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else
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ewarn "Skipping shell tests (requires root)"
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fi
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# Need to rig up Python eclass if using this, but it doesn't seem to work
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# for me anyway.
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#cd tests/py || die
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#"${EPYTHON}" nft-test.py || die
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}
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src_install() {
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default
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if ! use doc && [[ ! ${PV} =~ ^[9]{4,}$ ]]; then
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pushd doc >/dev/null || die
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doman *.?
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popd >/dev/null || die
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fi
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# Do it here instead of in src_prepare to avoid eautoreconf
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# rmdir lets us catch if more files end up installed in /etc/nftables
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dodir /usr/share/doc/${PF}/skels/
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mv "${ED}"/etc/nftables/osf "${ED}"/usr/share/doc/${PF}/skels/osf || die
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rmdir "${ED}"/etc/nftables || die
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local mksuffix="$(usex modern-kernel '-mk' '')"
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exeinto /usr/libexec/${PN}
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newexe "${FILESDIR}"/libexec/${PN}${mksuffix}.sh ${PN}.sh
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newconfd "${FILESDIR}"/${PN}${mksuffix}.confd ${PN}
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newinitd "${FILESDIR}"/${PN}${mksuffix}.init-r1 ${PN}
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keepdir /var/lib/nftables
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systemd_dounit "${FILESDIR}"/systemd/${PN}-restore.service
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if use python ; then
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pushd py >/dev/null || die
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distutils-r1_src_install
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popd >/dev/null || die
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fi
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find "${ED}" -type f -name "*.la" -delete || die
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}
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pkg_preinst() {
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local stderr
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# There's a history of regressions with nftables upgrades. Perform a
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# safety check to help us spot them earlier. For the check to pass, the
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# currently loaded ruleset, if any, must be successfully evaluated by
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# the newly built instance of nft(8).
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if [[ -n ${ROOT} ]] || [[ ! -d /sys/module/nftables ]] || [[ ! -x /sbin/nft ]]; then
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# Either nftables isn't yet in use or nft(8) cannot be executed.
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return
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elif ! stderr=$(umask 177; /sbin/nft -t list ruleset 2>&1 >"${T}"/ruleset.nft); then
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# Report errors induced by trying to list the ruleset but don't
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# treat them as being fatal.
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printf '%s\n' "${stderr}" >&2
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elif [[ ${stderr} == *"is managed by iptables-nft"* ]]; then
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# Rulesets generated by iptables-nft are special in nature and
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# will not always be printed in a way that constitutes a valid
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# syntax for ntf(8). Ignore them.
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return
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elif set -- "${ED}"/usr/lib*/libnftables.so; ! LD_LIBRARY_PATH=${1%/*} "${ED}"/sbin/nft -c -f -- "${T}"/ruleset.nft; then
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eerror "Your currently loaded ruleset cannot be parsed by the newly built instance of"
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eerror "nft. This probably means that there is a regression introduced by v${PV}."
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eerror "(To make the ebuild fail instead of warning, set NFTABLES_ABORT_ON_RELOAD_FAILURE=1.)"
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if [[ -n ${NFTABLES_ABORT_ON_RELOAD_FAILURE} ]] ; then
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die "Aborting because of failed nft reload!"
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fi
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fi
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}
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pkg_postinst() {
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local save_file
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save_file="${EROOT}"/var/lib/nftables/rules-save
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# In order for the nftables-restore systemd service to start
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# the save_file must exist.
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if [[ ! -f "${save_file}" ]]; then
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( umask 177; touch "${save_file}" )
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elif [[ $(( "$( stat --printf '%05a' "${save_file}" )" & 07177 )) -ne 0 ]]; then
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ewarn "Your system has dangerous permissions for ${save_file}"
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ewarn "It is probably affected by bug #691326."
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ewarn "You may need to fix the permissions of the file. To do so,"
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ewarn "you can run the command in the line below as root."
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ewarn " 'chmod 600 \"${save_file}\"'"
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fi
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if has_version 'sys-apps/systemd'; then
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elog "If you wish to enable the firewall rules on boot (on systemd) you"
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elog "will need to enable the nftables-restore service."
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elog " 'systemctl enable ${PN}-restore.service'"
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elog
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elog "If you are creating firewall rules before the next system restart"
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elog "the nftables-restore service must be manually started in order to"
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elog "save those rules on shutdown."
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fi
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if has_version 'sys-apps/openrc'; then
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elog "If you wish to enable the firewall rules on boot (on openrc) you"
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elog "will need to enable the nftables service."
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elog " 'rc-update add ${PN} default'"
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elog
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elog "If you are creating or updating the firewall rules and wish to save"
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elog "them to be loaded on the next restart, use the \"save\" functionality"
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elog "in the init script."
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elog " 'rc-service ${PN} save'"
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fi
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}
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