# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

PYTHON_COMPAT=( python3_{10..13} )
PYTHON_REQ_USE="threads(+),xml(+)"
inherit python-single-r1 flag-o-matic waf-utils multilib-minimal linux-info systemd pam tmpfiles git-r3

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

# JRG: Special version numbers to access specific branches or patch sets.
case "${PV}" in
	# Head of master branch. This is a Gentoo convention.
	9999)
		MY_PV="${PV}"
		MY_P="${P}"
		EGIT_REPO_URI="https://gitlab.com/samba-team/samba.git"
		KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
		;;
	# My local research branch.
	9998)
		MY_PV="${PV}"
		MY_P="${P}"
		EGIT_REPO_URI="file:///home/jgraham/Projects/Gentoo/samba"
		REFS="refs/heads/nss_winbind_experiments"
		KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
		;;
	# Normal upstream tarball releases.
	*)
		MY_PV=$(ver_cut 1-3 ${PV/_rc/rc})
		MY_P="${PN}-${MY_PV}"
		if [[ ${PV} == *_rc* ]]; then
			SRC_URI="https://download.samba.org/pub/samba/rc/${MY_P}.tar.gz"
		else
			SRC_URI="https://download.samba.org/pub/samba/stable/${MY_P}.tar.gz"
			KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
		fi
		;;
esac

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

LICENSE="GPL-3"
SLOT="0/2.10.0"
IUSE="acl addc ads ceph client cluster cups debug fam glusterfs gpg"
IUSE+=" iprint json ldap llvm-libunwind lmdb pam profiling-data python quota"
IUSE+=" +regedit selinux snapper spotlight syslog system-heimdal +system-mitkrb5"
IUSE+=" systemd test unwind winbind zeroconf"

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

# 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"

MULTILIB_WRAPPED_HEADERS=(
	/usr/include/samba-4.0/policy.h
	/usr/include/samba-4.0/dcerpc_server.h
	/usr/include/samba-4.0/ctdb.h
	/usr/include/samba-4.0/ctdb_client.h
	/usr/include/samba-4.0/ctdb_protocol.h
	/usr/include/samba-4.0/ctdb_private.h
	/usr/include/samba-4.0/ctdb_typesafe_cb.h
	/usr/include/samba-4.0/ctdb_version.h
)

TALLOC_VERSION="2.4.2"
TDB_VERSION="1.4.12"
TEVENT_VERSION="0.16.1"

COMMON_DEPEND="
	>=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}]
	>=sys-fs/e2fsprogs-1.46.4-r51[${MULTILIB_USEDEP}]
	!sys-libs/ldb
	sys-libs/libcap[${MULTILIB_USEDEP}]
	sys-libs/liburing:=[${MULTILIB_USEDEP}]
	sys-libs/ncurses:=
	sys-libs/readline:=
	>=sys-libs/talloc-${TALLOC_VERSION}[${MULTILIB_USEDEP}]
	>=sys-libs/tdb-${TDB_VERSION}[${MULTILIB_USEDEP}]
	>=sys-libs/tevent-${TEVENT_VERSION}[${MULTILIB_USEDEP}]
	sys-libs/zlib[${MULTILIB_USEDEP}]
	virtual/libcrypt:=[${MULTILIB_USEDEP}]
	virtual/libiconv
	$(python_gen_cond_dep '
		addc? (
			dev-python/dnspython:=[${PYTHON_USEDEP}]
			dev-python/markdown[${PYTHON_USEDEP}]
		)
		ads? (
			dev-python/dnspython:=[${PYTHON_USEDEP}]
			net-dns/bind-tools[gssapi]
		)
	')
	acl? ( virtual/acl )
	ceph? ( sys-cluster/ceph )
	cluster? ( net-libs/rpcsvc-proto )
	cups? ( net-print/cups )
	debug? ( dev-util/lttng-ust )
	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}] )
	pam? ( sys-libs/pam )
	python? (
		sys-libs/talloc[python,${PYTHON_SINGLE_USEDEP}]
		sys-libs/tdb[python,${PYTHON_SINGLE_USEDEP}]
		sys-libs/tevent[python,${PYTHON_SINGLE_USEDEP}]
	)
	snapper? ( sys-apps/dbus )
	system-heimdal? ( >=app-crypt/heimdal-1.5[-ssl(-),${MULTILIB_USEDEP}] )
	system-mitkrb5? ( >=app-crypt/mit-krb5-1.19[${MULTILIB_USEDEP}] )
	!system-heimdal? ( !system-mitkrb5? ( sys-apps/keyutils[${MULTILIB_USEDEP}] ) )
	systemd? ( sys-apps/systemd:= )
	unwind? (
		llvm-libunwind? ( sys-libs/llvm-libunwind:= )
		!llvm-libunwind? ( sys-libs/libunwind:= )
	)
	zeroconf? ( net-dns/avahi[dbus] )
"
DEPEND="${COMMON_DEPEND}
	dev-perl/JSON
	net-libs/libtirpc[${MULTILIB_USEDEP}]
	net-libs/rpcsvc-proto
	spotlight? ( dev-libs/glib )
	test? (
		>=dev-util/cmocka-1.1.3[${MULTILIB_USEDEP}]
		$(python_gen_cond_dep "dev-python/python-subunit[\${PYTHON_USEDEP},${MULTILIB_USEDEP}]" )
		!system-mitkrb5? (
			>=net-dns/resolv_wrapper-1.1.4
			>=net-libs/socket_wrapper-1.1.9
			>=sys-libs/nss_wrapper-1.1.3
			>=sys-libs/uid_wrapper-1.2.1
		)
	)"
RDEPEND="${COMMON_DEPEND}
	client? ( net-fs/cifs-utils[ads?] )
	python? ( ${PYTHON_DEPS} )
	selinux? ( sec-policy/selinux-samba )
"
BDEPEND="${PYTHON_DEPS}
	app-text/docbook-xsl-stylesheets
	dev-libs/libxslt
	virtual/pkgconfig
"

PATCHES=(
	"${FILESDIR}"/${PN}-4.18.4-pam.patch
	"${FILESDIR}"/ldb-2.5.2-skip-wav-tevent-check.patch
)

CONFDIR="${FILESDIR}/4.4"
WAF_BINARY="${S}/buildtools/bin/waf"
SHAREDMODS=""

pkg_setup() {
	# Package fails to build with distcc
	export DISTCC_DISABLE=1
	export PYTHONHASHSEED=1

	python-single-r1_pkg_setup

	SHAREDMODS="$(usev !snapper '!')vfs_snapper"
	if use cluster ; then
		SHAREDMODS+=",idmap_rid,idmap_tdb2,idmap_ad"
	elif use ads ; then
		SHAREDMODS+=",idmap_ad"
	fi
}

check_samba_dep_versions() {
	actual_talloc_version=$(sed -En '/^VERSION =/{s/[^0-9.]//gp}' lib/talloc/wscript || die)
	if [[ ${actual_talloc_version} != ${TALLOC_VERSION} ]] ; then
		eerror "Source talloc version: ${TALLOC_VERSION}"
		eerror "Ebuild talloc version: ${actual_talloc_version}"
		die "Ebuild needs to fix TALLOC_VERSION!"
	fi

	actual_tdb_version=$(sed -En '/^VERSION =/{s/[^0-9.]//gp}' lib/tdb/wscript || die)
	if [[ ${actual_tdb_version} != ${TDB_VERSION} ]] ; then
		eerror "Source tdb version: ${TDB_VERSION}"
		eerror "Ebuild tdb version: ${actual_tdb_version}"
		die "Ebuild needs to fix TDB_VERSION!"
	fi

	actual_tevent_version=$(sed -En '/^VERSION =/{s/[^0-9.]//gp}' lib/tevent/wscript || die)
	if [[ ${actual_tevent_version} != ${TEVENT_VERSION} ]] ; then
		eerror "Source tevent version: ${TEVENT_VERSION}"
		eerror "Ebuild tevent version: ${actual_tevent_version}"
		die "Ebuild needs to fix TEVENT_VERSION!"
	fi
}

src_unpack() {
	case "${MY_PV}" in
		9999|9998)
			git-r3_fetch ${EGIT_REPO_URI} ${REFS} ${TAG}
			git-r3_checkout ${EGIT_REPO_URI} "${WORKDIR}/${MY_P}" ${TAG}
			;;
		*)
			default
			;;
	esac
}

src_prepare() {
	default

	check_samba_dep_versions

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

	# Unbundle iso8601 unless tests are enabled
	if ! use test ; then
		sed -i -e '/"iso8601":/d' "${S}"/third_party/wscript || die
	fi

	# 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

	# WAF
	multilib_copy_sources
}

multilib_src_configure() {
	# When specifying libs for samba build you must append NONE to the end to
	# stop it automatically including things
	local bundled_libs="NONE"
	if ! use system-heimdal && ! use system-mitkrb5 ; then
		bundled_libs="heimbase,heimntlm,hdb,kdc,krb5,wind,gssapi,hcrypto,hx509,roken,asn1,com_err,NONE"
	fi

	# We "use" bundled cmocka when we're not running tests as we're
	# not using it anyway. Means we avoid making users install it for
	# no reason. bug #802531
	if ! use test ; then
		bundled_libs="cmocka,${bundled_libs}"
	fi

	# bug #874633
	if use llvm-libunwind ; then
		mkdir -p "${T}"/${ABI}/pkgconfig || die

		local -x PKG_CONFIG_PATH="${T}/${ABI}/pkgconfig:${PKG_CONFIG_PATH}"

		cat <<-EOF > "${T}"/${ABI}/pkgconfig/libunwind-generic.pc || die
		exec_prefix=\${prefix}
		libdir=/usr/$(get_libdir)
		includedir=\${prefix}/include

		Name: libunwind-generic
		Description: libunwind generic library
		Version: 1.70
		Libs: -L\${libdir} -lunwind
		Cflags: -I\${includedir}
		EOF
	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}"
		--builtin-libraries=NONE
		--disable-rpath
		--disable-rpath-install
		--nopyc
		--nopyo
		--without-winexe
		$(multilib_native_use_with acl acl-support)
		$(multilib_native_usex addc '' '--without-ad-dc')
		$(multilib_native_use_with ads)
		$(multilib_native_use_enable ceph cephfs)
		$(multilib_native_use_with cluster cluster-support)
		$(multilib_native_use_enable cups)
		--without-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 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 unwind libunwind)
		$(multilib_native_use_with winbind)
		$(multilib_native_usex python '' '--disable-python')
		$(multilib_native_use_enable zeroconf avahi)
		$(multilib_native_usex test '--enable-selftest' '')
		$(usev system-mitkrb5 "--with-system-mitkrb5 ${ESYSROOT}/usr $(multilib_native_usex addc --with-experimental-mit-ad-dc '')")
		$(use_with debug lttng)
		$(use_with ldap)
		$(use_with profiling-data)
		--private-libraries='!ldb'
		$(usex lmdb '' --without-ldb-lmdb)
		# bug #683148
		--jobs 1
	)

	if multilib_is_native_abi ; then
		myconf+=( --with-shared-modules=${SHAREDMODS} )
	else
		myconf+=( --with-shared-modules=DEFAULT,!vfs_snapper )
	fi

	append-cppflags "-I${ESYSROOT}/usr/include/et"

	waf-utils_src_configure ${myconf[@]}
}

multilib_src_compile() {
	waf-utils_src_compile
}

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

multilib_src_install() {
	waf-utils_src_install

	# Make all .so files executable
	find "${ED}" -type f -name "*.so" -exec chmod +x {} + || die
	# smbspool_krb5_wrapper must only be accessible to root, bug #880739
	find "${ED}" -type f -name "smbspool_krb5_wrapper" -exec chmod go-rwx {} + || die

	# Remove empty runtime dirs created by build system (bug #892341)
	find "${ED}"/{run,var} -type d -empty -delete || die

	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 (bug #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

		# Add winbind to the list of daemons to start if winbind has been built
		if use winbind ; then
			sed -e '/^daemon_list=/ s/smbd/& winbind/' -i "${ED}/etc/conf.d/samba" || die
		fi

		dotmpfiles "${FILESDIR}"/samba.conf
		if ! use addc ; then
			rm "${D}/$(systemd_get_systemunitdir)/samba.service" \
				|| die
		fi

		# 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"

		use python && python_optimize
	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
}

pkg_postinst() {
	tmpfiles_process samba.conf
}