# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

PYTHON_COMPAT=( python3_{8..9} )
PYTHON_REQ_USE="threads(+),xml(+)"
inherit python-single-r1 waf-utils multilib-minimal linux-info systemd pam tmpfiles

DESCRIPTION="Samba Suite Version 4"
HOMEPAGE="https://samba.org/"

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

if [[ ${PV} = *_rc* ]]; then
	SRC_URI="mirror://samba/rc/${MY_P}.tar.gz"
else
	SRC_URI="mirror://samba/stable/${MY_P}.tar.gz"
	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~ppc ~ppc64 ~riscv ~sparc ~x86"
fi
S="${WORKDIR}/${MY_P}"

LICENSE="GPL-3"

SLOT="0"

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

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

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[${MULTILIB_USEDEP}]
	dev-lang/perl:=
	dev-libs/icu:=[${MULTILIB_USEDEP}]
	dev-libs/libbsd[${MULTILIB_USEDEP}]
	dev-libs/libtasn1[${MULTILIB_USEDEP}]
	dev-libs/popt[${MULTILIB_USEDEP}]
	dev-perl/Parse-Yapp
	>=net-libs/gnutls-3.4.7[${MULTILIB_USEDEP}]
	net-libs/libnsl:=[${MULTILIB_USEDEP}]
	|| ( >=sys-fs/e2fsprogs-1.46.4-r51[${MULTILIB_USEDEP}] sys-libs/e2fsprogs-libs[${MULTILIB_USEDEP}] )
	  sys-apps/attr[${MULTILIB_USEDEP}]
	system-ldb? ( sys-libs/ldb[ldap(+)?,${MULTILIB_USEDEP}] )
	!system-ldb? ( !sys-libs/ldb )
	sys-libs/libcap[${MULTILIB_USEDEP}]
	sys-libs/liburing:=[${MULTILIB_USEDEP}]
	sys-libs/ncurses:0=
	sys-libs/readline:0=
	>=sys-libs/talloc-2.3.2[${MULTILIB_USEDEP}]
	>=sys-libs/tdb-1.4.3[${MULTILIB_USEDEP}]
	>=sys-libs/tevent-0.10.2[${MULTILIB_USEDEP}]
	sys-libs/zlib[${MULTILIB_USEDEP}]
	virtual/libiconv
	pam? ( sys-libs/pam )
	acl? ( virtual/acl )
	$(python_gen_cond_dep "
		dev-python/subunit[\${PYTHON_USEDEP},${MULTILIB_USEDEP}]
		addc? (
			dev-python/dnspython:=[\${PYTHON_USEDEP}]
			dev-python/markdown[\${PYTHON_USEDEP}]
		)
		addns? (
			net-dns/bind-tools[gssapi]
			dev-python/dnspython:=[\${PYTHON_USEDEP}]
		)
	")
	!alpha? ( !sparc? ( sys-libs/libunwind:= ) )
	ceph? ( sys-cluster/ceph )
	etcd? ( dev-db/etcd )
	cluster? (
		net-libs/rpcsvc-proto
		!dev-db/ctdb
	)
	cups? ( net-print/cups )
	debug? ( dev-util/lttng-ust )
	dmapi? ( sys-apps/dmapi )
	fam? ( virtual/fam )
	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}
	${PYTHON_DEPS}
	app-text/docbook-xsl-stylesheets
	dev-libs/libxslt
	>=dev-util/cmocka-1.1.3[${MULTILIB_USEDEP}]
	net-libs/libtirpc[${MULTILIB_USEDEP}]
	virtual/pkgconfig
	|| (
		net-libs/rpcsvc-proto
		<sys-libs/glibc-2.26[rpc(+)]
	)
	spotlight? ( dev-libs/glib )
	test? (
			>=sys-libs/nss_wrapper-1.1.3
			>=net-dns/resolv_wrapper-1.1.4
			>=net-libs/socket_wrapper-1.1.9
			>=sys-libs/uid_wrapper-1.2.1
	)"	
RDEPEND="${CDEPEND}
	python? ( ${PYTHON_DEPS} )
	client? ( net-fs/cifs-utils[ads?] )
	selinux? ( sec-policy/selinux-samba )
"

# 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=(
#)

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

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

SHAREDMODS=""

pkg_setup() {
	export DISTCC_DISABLE=1

	python-single-r1_pkg_setup

	SHAREDMODS="$(usex snapper '' '!')vfs_snapper"
	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-winexe
		$(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_enable glusterfs)
		$(multilib_native_use_with gpg gpgme)
		$(multilib_native_use_with json)
		$(multilib_native_use_enable iprint)
		$(multilib_native_use_with ntvfs ntvfs-fileserver)
		$(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 regedit)
		$(multilib_native_use_enable spotlight)
		$(multilib_native_use_with syslog)
		$(multilib_native_use_with systemd)
		--systemd-install-services
		--with-systemddir="$(systemd_get_systemunitdir)"
		$(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_with debug lttng)
		$(use_with ldap)
		$(use_with profiling-data)
		$(use_with lmdb ldb-lmdb)
		# bug #683148
		--jobs 1
#		--jobs $(makeopts_jobs)
	)
	multilib_is_native_abi && myconf+=( --with-shared-modules=${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
		dotmpfiles "${FILESDIR}"/samba.conf

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

		use addc || rm "${D}/$(systemd_get_systemunitdir)/samba.service" || die

		# Preserve functionality for old gentoo-specific unit names
		dosym nmb.service "$(systemd_get_systemunitdir)/nmbd.service"
		dosym smb.service "$(systemd_get_systemunitdir)/smbd.service"
		dosym winbind.service "$(systemd_get_systemunitdir)/winbindd.service"
	fi

	if use pam && use winbind ; then
		newpamd "${CONFDIR}/system-auth-winbind.pam" system-auth-winbind
		# bugs #376853 and #590374
		insinto /etc/security
		doins examples/pam_winbind/pam_winbind.conf
	fi

	keepdir /var/cache/samba
	keepdir /var/lib/ctdb
	keepdir /var/lib/samba/{bind-dns,private}
	keepdir /var/lock/samba
	keepdir /var/log/samba
	keepdir /var/run/samba
}

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

pkg_postinst() {
	tmpfiles_process samba.conf
	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'."

	ewarn ""
	ewarn "To keep compatible with XP:"
	ewarn "  client min protocol = CORE"
	ewarn "  server min protocol = CORE"


	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 "
}