# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit flag-o-matic toolchain-funcs multilib-minimal usr-ldscript

MY_PV=$(ver_cut 1-2)
DEB_PV=$(ver_cut 3)
MY_P="${PN//-/_}_${MY_PV}"

DESCRIPTION="TCP Wrappers"
HOMEPAGE="http://ftp.porcupine.org/pub/security"
SRC_URI="http://ftp.porcupine.org/pub/security/${MY_P}.tar.gz
	mirror://debian/pool/main/t/${PN}/${PN}_${MY_PV}.q-${DEB_PV}.debian.tar.xz
	https://dev.gentoo.org/~soap/distfiles/${P}-patches.tar.xz"
S="${WORKDIR}/${MY_P}"

LICENSE="tcp_wrappers_license"
SLOT="0"
KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux"
IUSE="ipv6 netgroups selinux"

DEPEND="
	netgroups? ( net-libs/libnsl:= )
"
RDEPEND="
	${DEPEND}
	selinux? ( sec-policy/selinux-tcpd )
"

PATCHES=( "${WORKDIR}"/gentoo-patches/ )

src_prepare() {
	# Apply Debian patchset except for the series file which just lists
	# the patches
	eapply $(sed -e 's:^:../debian/patches/:' ../debian/patches/series || die)

	default

	multilib_copy_sources
}

temake() {
	append-cppflags "-DHAVE_WEAKSYMS -DHAVE_STRERROR -DSYS_ERRLIST_DEFINED"

	if use ipv6; then
		append-cppflags "-DINET6=1 -Dss_family=__ss_family -Dss_len=__ss_len"
	fi

	local myemakeargs=(
		REAL_DAEMON_DIR="${EPREFIX}/usr/sbin"
		TLI= VSYSLOG= PARANOID= BUGS=
		AUTH="-DALWAYS_RFC931"
		AUX_OBJ="weak_symbols.o"
		DOT="-DAPPEND_DOT"
		HOSTNAME="-DALWAYS_HOSTNAME"
		NETGROUP=$(usex netgroups -DNETGROUPS "")
		STYLE="-DPROCESS_OPTIONS"
		LIBS=$(usex netgroups -lnsl "")
		LIB="" # disable static-libs
		AR="$(tc-getAR)" ARFLAGS=rc
		CC="$(tc-getCC)"
		RANLIB="$(tc-getRANLIB)"
		COPTS="${CFLAGS} ${CPPFLAGS}"
		LDFLAGS="${LDFLAGS}"
		"$@"
	)

	emake "${myemakeargs[@]}"
}

multilib_src_configure() {
	tc-export AR RANLIB
	temake config-check
}

multilib_src_compile() {
	# https://bugs.gentoo.org/728348
	unset STRINGS
	temake all
}

multilib_src_install() {
	into /usr
	dolib.so shared/libwrap.so*

	insinto /usr/include
	doins tcpd.h

	if multilib_is_native_abi; then
		gen_usr_ldscript -a wrap
		dosbin tcpd tcpdchk tcpdmatch safe_finger try-from
	fi
}

multilib_src_install_all() {
	doman *.[358]
	dosym hosts_access.5 /usr/share/man/man5/hosts.allow.5
	dosym hosts_access.5 /usr/share/man/man5/hosts.deny.5

	insinto /etc
	newins "${FILESDIR}"/hosts.allow.example hosts.allow

	dodoc BLURB CHANGES DISCLAIMER README*
}

pkg_preinst() {
	# don't clobber people with our default example config
	[[ -e ${EROOT}/etc/hosts.allow ]] && cp -pP "${EROOT}"/etc/hosts.allow "${ED}"/etc/hosts.allow
}