# Copyright 1999-2018 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# $Id$

EAPI=6
PYTHON_COMPAT=( python3_{4,5,6,7} )
PYTHON_REQ_USE='threads(+),xml(+)'

inherit python-single-r1 waf-utils multilib-minimal linux-info systemd
# eutils

MY_PV="${PV/_rc/rc}"
MY_P="${PN}-${MY_PV}"

SRC_PATH="stable"
[[ ${PV} = *_rc* ]] && SRC_PATH="rc"

SRC_URI="mirror://samba/${SRC_PATH}/${MY_P}.tar.gz"
[[ ${PV} = *_rc* ]] || \
KEYWORDS="~amd64 ~arm64 ~hppa ~x86"

DESCRIPTION="Samba Suite Version 4"
HOMEPAGE="http://www.samba.org/"
LICENSE="GPL-3"

SLOT="0"

IUSE="acl addc addns ads ceph client cluster cups debug dmapi fam gnutls gpg
iprint json ldap pam profiling-data python quota selinux syslog system-heimdal
+system-mitkrb5 systemd test winbind zeroconf
afs sasl cpu_flags_x86_aes nls lmdb etcd system-ldb snapper"

MULTILIB_WRAPPED_HEADERS=(
	/usr/include/samba-4.0/policy.h
	/usr/include/samba-4.0/dcerpc_server.h
#	/usr/include/pyldb.h
)

# useflag sasl control only cyrus-sasl linking, not own sasl wrapper

# sys-apps/attr is an automagic dependency (see bug #489748)
# libaio probably not required more. 2check
CDEPEND="
	>=app-arch/libarchive-3.1.2[${MULTILIB_USEDEP}]
	dev-lang/perl:=
	dev-libs/libaio[${MULTILIB_USEDEP}]
	dev-libs/libbsd[${MULTILIB_USEDEP}]
	dev-libs/iniparser:0
	dev-libs/popt[${MULTILIB_USEDEP}]
	dev-python/subunit[${PYTHON_USEDEP},${MULTILIB_USEDEP}]
	>=dev-util/cmocka-1.1.3[${MULTILIB_USEDEP}]
	sys-apps/attr[${MULTILIB_USEDEP}]
	system-ldb? ( sys-libs/ldb )
	!system-ldb? ( !sys-libs/ldb )
	sys-libs/libcap
	sys-libs/ncurses:0=[${MULTILIB_USEDEP}]
	sys-libs/readline:0=
	>=sys-libs/talloc-2.1.16[python?,${PYTHON_USEDEP},${MULTILIB_USEDEP}]
	>=sys-libs/tdb-1.3.18[python?,${PYTHON_USEDEP},${MULTILIB_USEDEP}]
	>=sys-libs/tevent-0.9.39[python?,${PYTHON_USEDEP},${MULTILIB_USEDEP}]
	sys-libs/zlib[${MULTILIB_USEDEP}]
	virtual/libiconv
	pam? ( virtual/pam )
	acl? ( virtual/acl )
	addns? (
		net-dns/bind-tools[gssapi]
		dev-python/dnspython:=[${PYTHON_USEDEP}]
	)
	ceph? ( sys-cluster/ceph )
	etcd? ( dev-db/etcd )
	cluster? ( !dev-db/ctdb )
	cups? ( net-print/cups )
	debug? ( dev-util/lttng-ust )
	dmapi? ( sys-apps/dmapi )
	fam? ( virtual/fam )
	gnutls? (
		dev-libs/libgcrypt:0
		>=net-libs/gnutls-3.5.6
	)
	gpg? ( app-crypt/gpgme )
	json? ( dev-libs/jansson )
	ldap? ( net-nds/openldap[${MULTILIB_USEDEP}] )
	lmdb? ( >=dev-db/lmdb-0.9.16[${MULTILIB_USEDEP}] )
	afs? ( net-fs/openafs )
	sasl? ( dev-libs/cyrus-sasl )
	nls? ( sys-devel/gettext )
	snapper? ( sys-apps/dbus )
	system-heimdal? ( >=app-crypt/heimdal-1.5[-ssl,${MULTILIB_USEDEP}] )
	system-mitkrb5? ( >=app-crypt/mit-krb5-1.15.1[${MULTILIB_USEDEP}] )
	systemd? ( sys-apps/systemd:0= )"

DEPEND="${CDEPEND}
	${PYTHON_DEPS}
	app-text/docbook-xsl-stylesheets
	dev-libs/libxslt
	net-libs/libtirpc[${MULTILIB_USEDEP}]
	virtual/pkgconfig
	|| (
		net-libs/rpcsvc-proto
		<sys-libs/glibc-2.26[rpc(+)]
	)
	test? (
			>=sys-libs/nss_wrapper-1.1.3
			>=net-dns/resolv_wrapper-1.1.4
			>=net-libs/socket_wrapper-1.1.9
			>=sys-libs/uid_wrapper-1.2.1
	)"	
RDEPEND="${CDEPEND}
	python? ( ${PYTHON_DEPS} )
	client? ( net-fs/cifs-utils[ads?] )
	selinux? ( sec-policy/selinux-samba )
	!dev-perl/Parse-Yapp
"

REQUIRED_USE="
	addc? ( python gnutls json winbind )
	test? ( python )
	addns? ( python )
	ads? ( acl gnutls ldap )
	gpg? ( addc )
	?? ( system-heimdal system-mitkrb5 )
	${PYTHON_REQUIRED_USE}"

# the test suite is messed, it uses system-installed samba
# bits instead of what was built, tests things disabled via use
# flags, and generally just fails to work in a way ebuilds could
# rely on in its current state
RESTRICT="test"

S="${WORKDIR}/${MY_P}"

PATCHES=(
	"${FILESDIR}/${PN}-4.5.1-compile_et_fix.patch"
	"${FILESDIR}/${PN}-4.9.2-timespec.patch"
	"${FILESDIR}/${PN}-4.10.0-disable_gnutls_build_fix.patch"
)

#CONFDIR="${FILESDIR}/$(get_version_component_range 1-2)"
CONFDIR="${FILESDIR}/4.9"

WAF_BINARY="${S}/buildtools/bin/waf"

SHAREDMODS=""

pkg_setup() {
	python-single-r1_pkg_setup

	if use cluster ; then
		SHAREDMODS="idmap_rid,idmap_tdb2,idmap_ad"
	elif use ads ; then
		SHAREDMODS="idmap_ad"
	fi
}

src_prepare() {
	default

	local i
	for i in "${FILESDIR}/${PN}-${PV}"-*.patch; do
		[ -e "$i" ] && epatch "$i"
	done

	use sasl || sed -i -e 's:HAVE_SASL:HAVE_SASL_:' source4/auth/wscript_configure
	sed -i -e 's:/tmp/ctdb.socket:/run/ctdb/ctdb.socket:g' {ctdb/doc,docs-xml/smbdotconf/misc}/*ml

	# un-bundle dnspython
	sed -i -e '/"dns.resolver":/d' "${S}"/third_party/wscript || die

	# unbundle iso8601 unless tests are enabled
	use test || sed -i -e '/"iso8601":/d' "${S}"/third_party/wscript || die

	use snapper || sed -i -e "s:(package='dbus-1':(package='____dbus-1':" source3/wscript

	# ugly hackaround for bug #592502
	cp /usr/include/tevent_internal.h "${S}"/lib/tevent/ || die

	sed -e 's:<gpgme\.h>:<gpgme/gpgme.h>:' \
		-i source4/dsdb/samdb/ldb_modules/password_hash.c \
		|| die

	# pyldb-util: check in bundled list with suffix of python target. strip suffix
	use !system-ldb && use python &&
	sed -i -e 's/^\(    if libname in conf.env.BUNDLED_LIBS:\)$/    import re\n    if re.sub("\\..*$", "", libname) in conf.env.BUNDLED_LIBS:\n        return True\n\1/' buildtools/wafsamba/samba_bundled.py

	multilib_copy_sources
}

automagic(){
	local i
	for i in "${@}"; do
		# relative! - multilib
		egrep "#define.*$i.*" bin/default/include/config.h
		sed -i -e "/#define.*$i.*/d" bin/default/include/config.h
	done
}

multilib_src_configure() {
	local bundled_libs=
	use !system-ldb && bundled_libs='ldb,' && use python && bundled_libs+='pyldb,pyldb-util,'
	if use !system-heimdal && use !system-mitkrb5 ; then
#		bundled_libs+=heimdal,
		bundled_libs+='heimbase,heimntlm,hdb,kdc,krb5,wind,gssapi,hcrypto,hx509,roken,asn1,com_err,'
	fi

	local myconf=(
		--enable-fhs
		--sysconfdir="${EPREFIX}/etc"
		--localstatedir="${EPREFIX}/var"
		--with-modulesdir="${EPREFIX}/usr/$(get_libdir)/samba"
		--with-piddir="${EPREFIX}/run/${PN}"
		--bundled-libraries="${bundled_libs},NONE"
		--builtin-libraries=NONE
		--disable-rpath
		--disable-rpath-install
		--nopyc
		--nopyo
		 --without-ntvfs-fileserver
		$(multilib_native_usex cpu_flags_x86_aes --accel-aes=intelaesni '')
		$(use_with nls gettext)
		$(multilib_native_use_with afs fake-kaserver)
		$(gcc -v | grep -q disable-default-pie && echo --without-pie)
		$(multilib_native_use_with acl acl-support)
		$(multilib_native_usex addc '' '--without-ad-dc')
		$(multilib_native_use_with addns dnsupdate)
		$(multilib_native_use_with ads)
		$(multilib_native_use_enable ceph cephfs)
		$(multilib_native_use_enable cups)
		$(multilib_native_use_with dmapi)
		$(multilib_native_use_with fam)
		$(multilib_native_use_with gpg gpgme)
		$(multilib_native_use_with json)
		$(multilib_native_use_enable iprint)
		$(multilib_native_use_with pam)
		$(multilib_native_usex pam "--with-pammodulesdir=${EPREFIX}/$(get_libdir)/security" '')
		$(multilib_native_use_with quota quotas)
		$(multilib_native_use_with syslog)
		$(multilib_native_use_with systemd)
		$(multilib_native_use_with winbind)
		$(multilib_native_usex python '' '--disable-python')
		$(multilib_native_use_enable zeroconf avahi)
		$(multilib_native_usex test '--enable-selftest' '')
		$(usex system-mitkrb5 "--with-system-mitkrb5 $(multilib_native_usex addc --with-experimental-mit-ad-dc '')" '')
		$(use_enable gnutls)
		$(use_with debug lttng)
		$(use_with ldap)
		$(use_with profiling-data)
		$(use_with lmdb ldb-lmdb)
	)  #'"
	multilib_is_native_abi && myconf+=( --with-shared-modules=${SHAREDMODS} )

	# multilib_is_native_abi &&
	use cluster && myconf+=(
		--with-cluster-support
		--with-socketpath=/run/ctdb/ctdbd.socket
		$(usex ceph --enable-ceph-reclock '')
		$(usex etcd --enable-etcd-reclock '')
	)

	CPPFLAGS="-I${SYSROOT}${EPREFIX}/usr/include/et ${CPPFLAGS}" \
		waf-utils_src_configure ${myconf[@]}

	einfo "Removing automagic definitions"
	# KDC wrong here
	use pam || automagic _PAM_ '_LIBPAM '
	use sasl || automagic SASL

}

multilib_src_compile() {
	waf-utils_src_compile
}

multilib_src_install() {
	waf-utils_src_install

	# Make all .so files executable
	find "${ED}" -type f -name "*.so" -exec chmod +x {} +

	if multilib_is_native_abi ; then
		# install ldap schema for server (bug #491002)
		if use ldap ; then
			insinto /etc/openldap/schema
			doins examples/LDAP/samba.schema
		fi

		# create symlink for cups (bug #552310)
		if use cups ; then
			dosym ../../../bin/smbspool /usr/libexec/cups/backend/smb
		fi

		# install example config file
		insinto /etc/samba
		doins examples/smb.conf.default

		# Fix paths in example file (#603964)
		sed \
			-e '/log file =/s@/usr/local/samba/var/@/var/log/samba/@' \
			-e '/include =/s@/usr/local/samba/lib/@/etc/samba/@' \
			-e '/path =/s@/usr/local/samba/lib/@/var/lib/samba/@' \
			-e '/path =/s@/usr/local/samba/@/var/lib/samba/@' \
			-e '/path =/s@/usr/spool/samba@/var/spool/samba@' \
			-i "${ED%/}"/etc/samba/smb.conf.default || die

		# Install init script and conf.d file
		newinitd "${CONFDIR}/samba4.initd-r1" samba
		#newconfd "${CONFDIR}/samba4.confd" samba

		if use cluster; then
			newinitd "${CONFDIR}/ctdb.initd" ctdb
			exeinto /etc/ctdb/events/notification
			doexe "${CONFDIR}/10.samba.script"
		fi

		systemd_dotmpfilesd "${FILESDIR}"/samba.conf
		systemd_dounit "${FILESDIR}"/nmbd.service
		systemd_dounit "${FILESDIR}"/smbd.{service,socket}
		systemd_newunit "${FILESDIR}"/smbd_at.service 'smbd@.service'
		systemd_dounit "${FILESDIR}"/winbindd.service
		systemd_dounit "${FILESDIR}"/samba.service
	fi
}

multilib_src_test() {
	if multilib_is_native_abi ; then
		"${WAF_BINARY}" test || die "test failed"
	fi
}

pkg_postinst() {
	ewarn "Be aware the this release contains the best of all of Samba's"
	ewarn "technology parts, both a file server (that you can reasonably expect"
	ewarn "to upgrade existing Samba 3.x releases to) and the AD domain"
	ewarn "controller work previously known as 'samba4'."

	elog "For further information and migration steps make sure to read "
	elog "http://samba.org/samba/history/${P}.html "
	elog "http://wiki.samba.org/index.php/Samba4/HOWTO "
}