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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
PYTHON_COMPAT=( python3_{6,7} )
inherit autotools linux-info python-r1 systemd
DESCRIPTION="Linux kernel (3.13+) firewall, NAT and packet mangling tools"
HOMEPAGE="https://netfilter.org/projects/nftables/"
#SRC_URI="https://git.netfilter.org/nftables/snapshot/v${PV}.tar.gz -> ${P}.tar.gz"
SRC_URI="https://netfilter.org/projects/nftables/files/${P}.tar.bz2"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~arm ~arm64 ~ia64 ~x86"
IUSE="debug +doc +gmp json +modern-kernel python +readline static-libs xtables"
RDEPEND="
>=net-libs/libmnl-1.0.3:0=
gmp? ( dev-libs/gmp:0= )
json? ( dev-libs/jansson )
python? ( ${PYTHON_DEPS} )
readline? ( sys-libs/readline:0= )
>=net-libs/libnftnl-1.1.3:0=
xtables? ( >=net-firewall/iptables-1.6.1 )
"
DEPEND="${RDEPEND}"
BDEPEND="
doc? ( app-text/asciidoc )
>=app-text/docbook2X-0.8.8-r4
sys-devel/bison
sys-devel/flex
virtual/pkgconfig
"
REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
#S="${WORKDIR}/v${PV}"
PATCHES=(
"${FILESDIR}"/${P}-python_build.patch
"${FILESDIR}"/${P}-avoid_dive_into_py_subdir.patch
)
python_make() {
emake \
-C py \
abs_builddir="${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
$(use_enable debug)
$(use_enable doc man-doc)
$(use_with !gmp mini_gmp)
$(use_with json)
$(use_with readline cli)
$(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
local mksuffix="$(usex modern-kernel '-mk' '')"
exeinto /usr/libexec/${PN}
newexe "${FILESDIR}"/libexec/${PN}${mksuffix}.sh ${PN}.sh
newconfd "${FILESDIR}"/${PN}${mksuffix}.confd ${PN}
newinitd "${FILESDIR}"/${PN}${mksuffix}.init ${PN}
keepdir /var/lib/nftables
systemd_dounit "${FILESDIR}"/systemd/${PN}-restore.service
if use python ; then
python_foreach_impl python_make install
fi
find "${ED}" -type f -name "*.la" -delete || die
}
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
elog "If you wish to enable the firewall rules on boot (on systemd) you"
elog "will need to enable the nftables-restore service."
elog " 'systemd_enable_service basic.target ${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."
}
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