# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=6
GNOME_ORG_MODULE="NetworkManager"
GNOME2_LA_PUNT="yes"
VALA_USE_DEPEND="vapigen"
PYTHON_COMPAT=( python3_{6,7,8} )

inherit bash-completion-r1 gnome2 linux-info multilib python-any-r1 systemd readme.gentoo-r1 vala virtualx udev multilib-minimal

DESCRIPTION="A set of co-operative tools that make networking simple and straightforward"
HOMEPAGE="https://wiki.gnome.org/Projects/NetworkManager"

LICENSE="GPL-2+"
SLOT="0"

IUSE="audit bluetooth connection-sharing consolekit dhclient dhcpcd elogind gnutls +introspection iwd json kernel_linux +nss +modemmanager ncurses ofono ovs policykit +ppp resolvconf selinux systemd teamd test vala +wext +wifi"
RESTRICT="!test? ( test )"

REQUIRED_USE="
	bluetooth? ( modemmanager )
	iwd? ( wifi )
	vala? ( introspection )
	wext? ( wifi )
	|| ( nss gnutls )
	?? ( consolekit elogind systemd )
"

KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~ia64 ~ppc ~ppc64 ~sparc ~x86"

# gobject-introspection-0.10.3 is needed due to gnome bug 642300
# wpa_supplicant-0.7.3-r3 is needed due to bug 359271
COMMON_DEPEND="
	>=dev-libs/glib-2.40:2[${MULTILIB_USEDEP}]
	policykit? ( >=sys-auth/polkit-0.106 )
	net-libs/libndp[${MULTILIB_USEDEP}]
	>=net-misc/curl-7.24
	net-misc/iputils
	sys-apps/util-linux[${MULTILIB_USEDEP}]
	sys-libs/readline:0=
	>=virtual/libudev-175:=[${MULTILIB_USEDEP}]
	audit? ( sys-process/audit )
	bluetooth? ( >=net-wireless/bluez-5 )
	connection-sharing? (
		net-dns/dnsmasq[dbus,dhcp]
		net-firewall/iptables )
	consolekit? ( >=sys-auth/consolekit-1.0.0 )
	dhclient? ( >=net-misc/dhcp-4[client] )
	dhcpcd? ( net-misc/dhcpcd )
	elogind? ( >=sys-auth/elogind-219 )
	introspection? ( >=dev-libs/gobject-introspection-0.10.3:= )
	json? ( >=dev-libs/jansson-2.5[${MULTILIB_USEDEP}] )
	modemmanager? ( >=net-misc/modemmanager-0.7.991:0=
		net-misc/mobile-broadband-provider-info )
	ncurses? ( >=dev-libs/newt-0.52.15 )
	nss? ( >=dev-libs/nss-3.11:=[${MULTILIB_USEDEP}] )
	!nss? ( gnutls? (
		dev-libs/libgcrypt:0=[${MULTILIB_USEDEP}]
		>=net-libs/gnutls-2.12:=[${MULTILIB_USEDEP}] ) )
	ofono? ( net-misc/ofono )
	ovs? ( dev-libs/jansson )
	ppp? ( >=net-dialup/ppp-2.4.5:=[ipv6] )
	resolvconf? ( net-dns/openresolv )
	selinux? ( sys-libs/libselinux )
	systemd? ( >=sys-apps/systemd-209:0= )
	teamd? (
		dev-libs/jansson
		>=net-misc/libteam-1.9
	)
"
RDEPEND="${COMMON_DEPEND}
	acct-group/plugdev
	|| (
		net-misc/iputils[arping(+)]
		net-analyzer/arping
	)
	wifi? (
		!iwd? ( >=net-wireless/wpa_supplicant-0.7.3-r3[dbus] )
		iwd? ( net-wireless/iwd )
	)
"
DEPEND="${COMMON_DEPEND}
	dev-util/gdbus-codegen
	dev-util/glib-utils
	dev-util/gtk-doc-am
	>=dev-util/intltool-0.40
	>=sys-devel/gettext-0.17
	>=sys-kernel/linux-headers-3.18
	virtual/pkgconfig[${MULTILIB_USEDEP}]
	introspection? (
		$(python_gen_any_dep 'dev-python/pygobject:3[${PYTHON_USEDEP}]')
		dev-lang/perl
		dev-libs/libxslt
	)
	vala? ( $(vala_depend) )
	test? (
		$(python_gen_any_dep '
			dev-python/dbus-python[${PYTHON_USEDEP}]
			dev-python/pygobject:3[${PYTHON_USEDEP}]')
	)
"

python_check_deps() {
	if use introspection; then
		has_version "dev-python/pygobject:3[${PYTHON_USEDEP}]" || return
	fi
	if use test; then
		has_version "dev-python/dbus-python[${PYTHON_USEDEP}]" &&
		has_version "dev-python/pygobject:3[${PYTHON_USEDEP}]"
	fi
}

sysfs_deprecated_check() {
	ebegin "Checking for SYSFS_DEPRECATED support"

	if { linux_chkconfig_present SYSFS_DEPRECATED_V2; }; then
		eerror "Please disable SYSFS_DEPRECATED_V2 support in your kernel config and recompile your kernel"
		eerror "or NetworkManager will not work correctly."
		eerror "See https://bugs.gentoo.org/333639 for more info."
		die "CONFIG_SYSFS_DEPRECATED_V2 support detected!"
	fi
	eend $?
}

pkg_pretend() {
	if use kernel_linux; then
		get_version
		if linux_config_exists; then
			sysfs_deprecated_check
		else
			ewarn "Was unable to determine your kernel .config"
			ewarn "Please note that if CONFIG_SYSFS_DEPRECATED_V2 is set in your kernel .config, NetworkManager will not work correctly."
			ewarn "See https://bugs.gentoo.org/333639 for more info."
		fi

	fi
}

pkg_setup() {
	if use connection-sharing; then
		if kernel_is lt 5 1; then
			CONFIG_CHECK="~NF_NAT_IPV4 ~NF_NAT_MASQUERADE_IPV4"
		else
			CONFIG_CHECK="~NF_NAT ~NF_NAT_MASQUERADE"
		fi
		linux-info_pkg_setup
	fi
	if use introspection || use test; then
		python-any-r1_pkg_setup
	fi
}

src_prepare() {
	DOC_CONTENTS="To modify system network connections without needing to enter the
		root password, add your user account to the 'plugdev' group."

	use vala && vala_src_prepare
	gnome2_src_prepare
}

multilib_src_configure() {
	local myconf=(
		--disable-more-warnings
		--disable-static
		--localstatedir=/var
		--with-runstatedir=/run
		--disable-lto
		--disable-qt
		--without-netconfig
		--with-dbus-sys-dir=/etc/dbus-1/system.d
		$(multilib_native_with nmcli)
		--with-udev-dir="$(get_udevdir)"
		--with-config-plugins-default=keyfile
		--with-iptables=/sbin/iptables
		--with-ebpf=yes
		$(multilib_native_enable concheck)
		--with-nm-cloud-setup=$(multilib_is_native_abi && echo yes || echo no)
		--with-crypto=$(usex nss nss gnutls)
		--with-session-tracking=$(multilib_native_usex systemd systemd $(multilib_native_usex elogind elogind $(multilib_native_usex consolekit consolekit no)))
		# ConsoleKit has no build-time dependency, so use it as the default case.
		# There is no off switch, and we do not support upower.
		--with-suspend-resume=$(multilib_native_usex systemd systemd $(multilib_native_usex elogind elogind consolekit))
		$(multilib_native_use_with audit libaudit)
		$(multilib_native_use_enable bluetooth bluez5-dun)
		--without-dhcpcanon
		$(use_with dhclient)
		$(use_with dhcpcd)
		--with-config-dhcp-default=internal
		$(multilib_native_use_enable introspection)
		$(use_enable json json-validation)
		$(multilib_native_use_enable ppp)
		--without-libpsl
		$(multilib_native_use_with modemmanager modem-manager-1)
		$(multilib_native_use_with ncurses nmtui)
		$(multilib_native_use_with ofono)
		$(multilib_native_use_enable ovs)
		$(multilib_native_use_enable policykit polkit)
		$(multilib_native_use_with resolvconf)
		$(multilib_native_use_with selinux)
		$(multilib_native_use_with systemd systemd-journal)
		$(multilib_native_use_enable teamd teamdctl)
		$(multilib_native_use_enable test tests)
		$(multilib_native_use_enable vala)
		--without-valgrind
		$(multilib_native_use_with wifi iwd)
		$(multilib_native_use_with wext)
		$(multilib_native_use_enable wifi)
	)

	# Same hack as net-dialup/pptpd to get proper plugin dir for ppp, bug #519986
	if use ppp; then
		local PPPD_VER=`best_version net-dialup/ppp`
		PPPD_VER=${PPPD_VER#*/*-} #reduce it to ${PV}-${PR}
		PPPD_VER=${PPPD_VER%%[_-]*} # main version without beta/pre/patch/revision
		myconf+=( --with-pppd-plugin-dir=/usr/$(get_libdir)/pppd/${PPPD_VER} )
	fi

	# unit files directory needs to be passed only when systemd is enabled,
	# otherwise systemd support is not disabled completely, bug #524534
	use systemd && myconf+=( --with-systemdsystemunitdir="$(systemd_get_systemunitdir)" )

	if multilib_is_native_abi; then
		# work-around man out-of-source brokenness, must be done before configure
		ln -s "${S}/docs" docs || die
		ln -s "${S}/man" man || die
	fi

	ECONF_SOURCE=${S} gnome2_src_configure "${myconf[@]}"
}

multilib_src_compile() {
	if multilib_is_native_abi; then
		emake
	else
		local targets=(
			libnm/libnm.la
		)
		emake "${targets[@]}"
	fi
}

multilib_src_test() {
	if use test && multilib_is_native_abi; then
		python_setup
		virtx emake check
	fi
}

multilib_src_install() {
	if multilib_is_native_abi; then
		# Install completions at proper place, bug #465100
		gnome2_src_install completiondir="$(get_bashcompdir)"
		insinto /usr/lib/NetworkManager/conf.d #702476
		doins "${S}"/examples/nm-conf.d/31-mac-addr-change.conf
	else
		local targets=(
			install-libLTLIBRARIES
			install-libnmincludeHEADERS
			install-nodist_libnmincludeHEADERS
			install-pkgconfigDATA
		)
		emake DESTDIR="${D}" "${targets[@]}"
	fi
}

multilib_src_install_all() {
	einstalldocs
	! use systemd && readme.gentoo_create_doc

	newinitd "${FILESDIR}/init.d.NetworkManager-r2" NetworkManager
	newconfd "${FILESDIR}/conf.d.NetworkManager" NetworkManager

	# Need to keep the /etc/NetworkManager/dispatched.d for dispatcher scripts
	keepdir /etc/NetworkManager/dispatcher.d

	# Provide openrc net dependency only when nm is connected
	exeinto /etc/NetworkManager/dispatcher.d
	newexe "${FILESDIR}/10-openrc-status-r4" 10-openrc-status
	sed -e "s:@EPREFIX@:${EPREFIX}:g" \
		-i "${ED}/etc/NetworkManager/dispatcher.d/10-openrc-status" || die

	keepdir /etc/NetworkManager/system-connections
	chmod 0600 "${ED}"/etc/NetworkManager/system-connections/.keep* # bug #383765, upstream bug #754594

	# Allow users in plugdev group to modify system connections
	insinto /usr/share/polkit-1/rules.d/
	doins "${FILESDIR}/01-org.freedesktop.NetworkManager.settings.modify.system.rules"

	if use iwd; then
		# This goes to $nmlibdir/conf.d/ and $nmlibdir is '${prefix}'/lib/$PACKAGE, thus always lib, not get_libdir
		cat <<-EOF > "${ED%/}"/usr/lib/NetworkManager/conf.d/iwd.conf
		[device]
		wifi.backend=iwd
		EOF
	fi

	# Empty
	rmdir "${ED%/}"/var{/lib{/NetworkManager,},} || die
}

pkg_postinst() {
	gnome2_pkg_postinst
	systemd_reenable NetworkManager.service
	! use systemd && readme.gentoo_print_elog

	if [[ -e "${EROOT}etc/NetworkManager/nm-system-settings.conf" ]]; then
		ewarn "The ${PN} system configuration file has moved to a new location."
		ewarn "You must migrate your settings from ${EROOT}/etc/NetworkManager/nm-system-settings.conf"
		ewarn "to ${EROOT}etc/NetworkManager/NetworkManager.conf"
		ewarn
		ewarn "After doing so, you can remove ${EROOT}etc/NetworkManager/nm-system-settings.conf"
	fi

	# NM fallbacks to plugin specified at compile time (upstream bug #738611)
	# but still show a warning to remember people to have cleaner config file
	if [[ -e "${EROOT}etc/NetworkManager/NetworkManager.conf" ]]; then
		if grep plugins "${EROOT}etc/NetworkManager/NetworkManager.conf" | grep -q ifnet; then
			ewarn
			ewarn "You seem to use 'ifnet' plugin in ${EROOT}etc/NetworkManager/NetworkManager.conf"
			ewarn "Since it won't be used, you will need to stop setting ifnet plugin there."
			ewarn
		fi
	fi

	# NM shows lots of errors making nmcli almost unusable, bug #528748 upstream bug #690457
	if grep -r "psk-flags=1" "${EROOT}"/etc/NetworkManager/; then
		ewarn "You have psk-flags=1 setting in above files, you will need to"
		ewarn "either reconfigure affected networks or, at least, set the flag"
		ewarn "value to '0'."
	fi

	if use dhclient || use dhcpcd; then
		ewarn "You have enabled USE=dhclient and/or USE=dhcpcd, but NetworkManager since"
		ewarn "version 1.20 defaults to the internal DHCP client. If the internal client"
		ewarn "works for you, and you're happy with, the alternative USE flags can be"
		ewarn "disabled. If you want to use dhclient or dhcpcd, then you need to tweak"
		ewarn "the main.dhcp configuration option to use one of them instead of internal."
	fi
}