# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI="5"

PYTHON_COMPAT=( python{2_7,3_3,3_4} )

inherit autotools multilib multilib-minimal toolchain-funcs python-r1 linux-info eutils systemd flag-o-matic

DESCRIPTION="Userspace utilities for storing and processing auditing records"
HOMEPAGE="https://people.redhat.com/sgrubb/audit/"
SRC_URI="https://people.redhat.com/sgrubb/audit/${P}.tar.gz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="*"
IUSE="daemon ldap python"
# Testcases are pretty useless as they are built for RedHat users/groups and
# kernels.
RESTRICT="test"

RDEPEND="ldap? ( net-nds/openldap )
	sys-apps/diffutils
	sys-libs/libcap-ng"
DEPEND="${RDEPEND}
	python? ( ${PYTHON_DEPS}
		dev-lang/swig )
	>=sys-kernel/linux-headers-2.6.34"
# Do not use os-headers as this is linux specific

REQUIRED_USE="ldap? ( daemon )
	python? ( ${PYTHON_REQUIRED_USE} )"

CONFIG_CHECK="~AUDIT"

pkg_setup() {
	linux-info_pkg_setup
}

src_prepare() {
	epatch_user

	# Don't build static version of Python module.
	epatch "${FILESDIR}"/${PN}-2.4.3-python.patch

	# glibc/kernel upstreams suck with both defining ia64_fpreg
	# This patch is a horribly workaround that is only valid as long as you
	# don't need the OTHER definitions in fpu.h.
	epatch "${FILESDIR}"/${PN}-2.1.3-ia64-compile-fix.patch

	if ! use daemon; then
		sed -e '/^SUBDIRS =/s/audisp//' \
			-i Makefile.am || die
		sed -e '/${DESTDIR}${initdir}/d' \
			-e '/${DESTDIR}${legacydir}/d' \
			-i init.d/Makefile.am || die
		sed -e '/^sbin_PROGRAMS =/s/auditd//' \
			-e '/^sbin_PROGRAMS =/s/aureport//' \
			-e '/^sbin_PROGRAMS =/s/ausearch//' \
			-i src/Makefile.am || die
	fi

	# Regenerate autotooling
	eautoreconf
}

multilib_src_configure() {
	# Need to filter out --icf=all in this package temporarily because it's using BFD
	# https://crbug.com/1022226
	filter-ldflags "-Wl,--icf=all"
	local ECONF_SOURCE=${S}
	econf \
		--sbindir=/sbin \
		--enable-systemd \
		$(use_enable ldap zos-remote) \
		--without-golang \
		--without-python \
		--without-python3

	if multilib_is_native_abi; then
		python_configure() {
			mkdir -p "${BUILD_DIR}" || die
			cd "${BUILD_DIR}" || die

			if python_is_python3; then
				econf --without-python --with-python3
			else
				econf --with-python --without-python3
			fi
		}

		use python && python_foreach_impl python_configure
	fi
}

multilib_src_compile() {
	if multilib_is_native_abi; then
		default

		python_compile() {
			local pysuffix pydef
			if python_is_python3; then
				pysuffix=3
				pydef='USE_PYTHON3=true'
			else
				pysuffix=2
				pydef='HAVE_PYTHON=true'
			fi

			emake -C "${BUILD_DIR}"/bindings/swig \
				VPATH="${native_build}/lib" \
				LIBS="${native_build}/lib/libaudit.la" \
				_audit_la_LIBADD="${native_build}/lib/libaudit.la" \
				_audit_la_DEPENDENCIES="${S}/lib/libaudit.h ${native_build}/lib/libaudit.la" \
				${pydef}
			emake -C "${BUILD_DIR}"/bindings/python/python${pysuffix} \
				VPATH="${S}/bindings/python/python${pysuffix}:${native_build}/bindings/python/python${pysuffix}" \
				auparse_la_LIBADD="${native_build}/auparse/libauparse.la ${native_build}/lib/libaudit.la" \
				${pydef}
		}

		local native_build="${BUILD_DIR}"
		use python && python_foreach_impl python_compile
	else
		emake -C lib
		emake -C auparse
	fi
}

multilib_src_install() {
	if multilib_is_native_abi; then
		emake DESTDIR="${D}" initdir="$(systemd_get_unitdir)" install

		python_install() {
			local pysuffix pydef
			if python_is_python3; then
				pysuffix=3
				pydef='USE_PYTHON3=true'
			else
				pysuffix=2
				pydef='HAVE_PYTHON=true'
			fi

			emake -C "${BUILD_DIR}"/bindings/swig \
				VPATH="${native_build}/lib" \
				LIBS="${native_build}/lib/libaudit.la" \
				_audit_la_LIBADD="${native_build}/lib/libaudit.la" \
				_audit_la_DEPENDENCIES="${S}/lib/libaudit.h ${native_build}/lib/libaudit.la" \
				${pydef} \
				DESTDIR="${D}" install
			emake -C "${BUILD_DIR}"/bindings/python/python${pysuffix} \
				VPATH="${S}/bindings/python/python${pysuffix}:${native_build}/bindings/python/python${pysuffix}" \
				auparse_la_LIBADD="${native_build}/auparse/libauparse.la ${native_build}/lib/libaudit.la" \
				${pydef} \
				DESTDIR="${D}" install
		}

		local native_build=${BUILD_DIR}
		use python && python_foreach_impl python_install

		# things like shadow use this so we need to be in /
		gen_usr_ldscript -a audit auparse
	else
		emake -C lib DESTDIR="${D}" install
		emake -C auparse DESTDIR="${D}" install
	fi
}

multilib_src_install_all() {
	dodoc AUTHORS ChangeLog README* THANKS TODO

	if use daemon; then
		docinto contrib/plugin
		dodoc contrib/plugin/*

		newinitd "${FILESDIR}"/auditd-init.d-2.1.3 auditd
		newconfd "${FILESDIR}"/auditd-conf.d-2.1.3 auditd

		[ -f "${D}"/sbin/audisp-remote ] && \
		dodir /usr/sbin && \
		mv "${D}"/{sbin,usr/sbin}/audisp-remote || die

		# audit logs go here
		keepdir /var/log/audit/
	fi

	insinto /usr/share/audit/rules.d
	doins "${FILESDIR}"/rules.d/*.rules

	systemd_newtmpfilesd "${FILESDIR}"/audit-rules.tmpfiles audit-rules.conf
	systemd_dounit "${FILESDIR}"/audit-rules.service
	systemd_enable_service multi-user.target audit-rules.service

	prune_libtool_files --modules
}