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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI="5"
# Force users doing their own patches to install their own tools
AUTOTOOLS_AUTO_DEPEND=no
inherit eutils multilib systemd toolchain-funcs autotools flag-o-matic ltprune usr-ldscript
DESCRIPTION="Linux kernel (2.4+) firewall, NAT and packet mangling tools"
HOMEPAGE="https://www.netfilter.org/projects/iptables/"
SRC_URI="https://www.netfilter.org/projects/iptables/files/${P}.tar.bz2"
LICENSE="GPL-2"
# Subslot tracks libxtables as that's the one other packages generally link
# against and iptables changes. Will have to revisit if other sonames change.
SLOT="0/12"
KEYWORDS="~alpha amd64 arm arm64 hppa ia64 m68k ~mips ppc ppc64 s390 sparc x86"
IUSE="conntrack ipv6 netlink nftables pcap static-libs"
COMMON_DEPEND="
conntrack? ( >=net-libs/libnetfilter_conntrack-1.0.6 )
netlink? ( net-libs/libnfnetlink )
nftables? (
>=net-libs/libmnl-1.0:0=
>=net-libs/libnftnl-1.0.5:0=
)
pcap? ( net-libs/libpcap )
"
DEPEND="${COMMON_DEPEND}
virtual/os-headers
>=sys-kernel/linux-headers-4.4:0
virtual/pkgconfig
nftables? (
sys-devel/flex
virtual/yacc
)
"
RDEPEND="${COMMON_DEPEND}
nftables? (
!<net-firewall/ebtables-2.0.10.4-r2
!net-misc/ethertypes
)
"
src_prepare() {
# use the saner headers from the kernel
rm -f include/linux/{kernel,types}.h
# Only run autotools if user patched something
epatch_user && eautoreconf || elibtoolize
}
src_configure() {
# Some libs use $(AR) rather than libtool to build #444282
tc-export AR
# Hack around struct mismatches between userland & kernel for some ABIs. #472388
use amd64 && [[ ${ABI} == "x32" ]] && append-flags -fpack-struct
sed -i \
-e "/nfnetlink=[01]/s:=[01]:=$(usex netlink 1 0):" \
-e "/nfconntrack=[01]/s:=[01]:=$(usex conntrack 1 0):" \
configure || die
econf \
--sbindir="${EPREFIX}/sbin" \
--libexecdir="${EPREFIX}/$(get_libdir)" \
--enable-devel \
--enable-shared \
$(use_enable nftables) \
$(use_enable pcap bpf-compiler) \
$(use_enable pcap nfsynproxy) \
$(use_enable static-libs static) \
$(use_enable ipv6)
}
src_compile() {
# Deal with parallel build errors.
use nftables && emake -C iptables xtables-config-parser.h
emake V=1
}
src_install() {
default
dodoc INCOMPATIBILITIES iptables/iptables.xslt
# all the iptables binaries are in /sbin, so might as well
# put these small files in with them
into /
dosbin iptables/iptables-apply
dosym iptables-apply /sbin/ip6tables-apply
doman iptables/iptables-apply.8
insinto /usr/include
doins include/iptables.h $(use ipv6 && echo include/ip6tables.h)
insinto /usr/include/iptables
doins include/iptables/internal.h
keepdir /var/lib/iptables
newinitd "${FILESDIR}"/${PN}.init iptables
newconfd "${FILESDIR}"/${PN}-1.4.13.confd iptables
if use ipv6 ; then
keepdir /var/lib/ip6tables
newinitd "${FILESDIR}"/iptables.init ip6tables
newconfd "${FILESDIR}"/ip6tables-1.4.13.confd ip6tables
fi
systemd_dounit "${FILESDIR}"/systemd/iptables-{re,}store.service
if use ipv6 ; then
systemd_dounit "${FILESDIR}"/systemd/ip6tables-{re,}store.service
fi
# Move important libs to /lib #332175
gen_usr_ldscript -a ip{4,6}tc iptc xtables
prune_libtool_files
}
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