From b8fdbe1769429ab4e0310916f85275f7a4e5b74e Mon Sep 17 00:00:00 2001
From: Mike Gilbert <floppym@gentoo.org>
Date: Mon, 18 Feb 2019 18:31:19 -0500
Subject: [PATCH] sys-apps/systemd: apply fix for CVE-2019-6454 to 239

Bug: https://bugs.gentoo.org/677944
Package-Manager: Portage-2.3.59_p2, Repoman-2.3.12_p67
Signed-off-by: Mike Gilbert <floppym@gentoo.org>
---
 sys-apps/systemd/files/CVE-2019-6454.patch | 198 +++++++++
 sys-apps/systemd/systemd-239-r4.ebuild     | 449 +++++++++++++++++++++
 2 files changed, 647 insertions(+)
 create mode 100644 sys-apps/systemd/files/CVE-2019-6454.patch
 create mode 100644 sys-apps/systemd/systemd-239-r4.ebuild

diff --git a/sys-apps/systemd/files/CVE-2019-6454.patch b/sys-apps/systemd/files/CVE-2019-6454.patch
new file mode 100644
index 000000000000..97b7d635e7d6
--- /dev/null
+++ b/sys-apps/systemd/files/CVE-2019-6454.patch
@@ -0,0 +1,198 @@
+--- a/src/libsystemd/sd-bus/bus-internal.c
++++ b/src/libsystemd/sd-bus/bus-internal.c
+@@ -45,7 +45,7 @@
+         if (slash)
+                 return false;
+
+-        return true;
++        return (q - p) <= BUS_PATH_SIZE_MAX;
+ }
+
+ char* object_path_startswith(const char *a, const char *b) {
+--- a/src/libsystemd/sd-bus/bus-internal.h
++++ b/src/libsystemd/sd-bus/bus-internal.h
+@@ -333,6 +333,10 @@
+
+ #define BUS_MESSAGE_SIZE_MAX (128*1024*1024)
+ #define BUS_AUTH_SIZE_MAX (64*1024)
++/* Note that the D-Bus specification states that bus paths shall have no size limit. We enforce here one
++ * anyway, since truly unbounded strings are a security problem. The limit we pick is relatively large however,
++ * to not clash unnecessarily with real-life applications. */
++#define BUS_PATH_SIZE_MAX (64*1024)
+
+ #define BUS_CONTAINER_DEPTH 128
+
+--- a/src/libsystemd/sd-bus/bus-objects.c
++++ b/src/libsystemd/sd-bus/bus-objects.c
+@@ -1134,7 +1134,8 @@
+                 const char *path,
+                 sd_bus_error *error) {
+
+-        char *prefix;
++        _cleanup_free_ char *prefix = NULL;
++        size_t pl;
+         int r;
+
+         assert(bus);
+@@ -1150,7 +1151,12 @@
+                 return 0;
+
+         /* Second, add fallback vtables registered for any of the prefixes */
+-        prefix = alloca(strlen(path) + 1);
++        pl = strlen(path);
++        assert(pl <= BUS_PATH_SIZE_MAX);
++        prefix = new(char, pl + 1);
++        if (!prefix)
++                return -ENOMEM;
++
+         OBJECT_PATH_FOREACH_PREFIX(prefix, path) {
+                 r = object_manager_serialize_path(bus, reply, prefix, path, true, error);
+                 if (r < 0)
+@@ -1346,6 +1352,7 @@
+ }
+
+ int bus_process_object(sd_bus *bus, sd_bus_message *m) {
++        _cleanup_free_ char *prefix = NULL;
+         int r;
+         size_t pl;
+         bool found_object = false;
+@@ -1370,9 +1377,12 @@
+         assert(m->member);
+
+         pl = strlen(m->path);
+-        do {
+-                char prefix[pl+1];
++        assert(pl <= BUS_PATH_SIZE_MAX);
++        prefix = new(char, pl + 1);
++        if (!prefix)
++                return -ENOMEM;
+
++        do {
+                 bus->nodes_modified = false;
+
+                 r = object_find_and_run(bus, m, m->path, false, &found_object);
+@@ -1499,9 +1509,15 @@
+
+         n = hashmap_get(bus->nodes, path);
+         if (!n) {
+-                char *prefix;
++                _cleanup_free_ char *prefix = NULL;
++                size_t pl;
++
++                pl = strlen(path);
++                assert(pl <= BUS_PATH_SIZE_MAX);
++                prefix = new(char, pl + 1);
++                if (!prefix)
++                        return -ENOMEM;
+
+-                prefix = alloca(strlen(path) + 1);
+                 OBJECT_PATH_FOREACH_PREFIX(prefix, path) {
+                         n = hashmap_get(bus->nodes, prefix);
+                         if (n)
+@@ -2091,8 +2107,9 @@
+                 char **names) {
+
+         BUS_DONT_DESTROY(bus);
++        _cleanup_free_ char *prefix = NULL;
+         bool found_interface = false;
+-        char *prefix;
++        size_t pl;
+         int r;
+
+         assert_return(bus, -EINVAL);
+@@ -2111,6 +2128,12 @@
+         if (names && names[0] == NULL)
+                 return 0;
+
++        pl = strlen(path);
++        assert(pl <= BUS_PATH_SIZE_MAX);
++        prefix = new(char, pl + 1);
++        if (!prefix)
++                return -ENOMEM;
++
+         do {
+                 bus->nodes_modified = false;
+
+@@ -2120,7 +2143,6 @@
+                 if (bus->nodes_modified)
+                         continue;
+
+-                prefix = alloca(strlen(path) + 1);
+                 OBJECT_PATH_FOREACH_PREFIX(prefix, path) {
+                         r = emit_properties_changed_on_interface(bus, prefix, path, interface, true, &found_interface, names);
+                         if (r != 0)
+@@ -2252,7 +2274,8 @@
+
+ static int object_added_append_all(sd_bus *bus, sd_bus_message *m, const char *path) {
+         _cleanup_set_free_ Set *s = NULL;
+-        char *prefix;
++        _cleanup_free_ char *prefix = NULL;
++        size_t pl;
+         int r;
+
+         assert(bus);
+@@ -2297,7 +2320,12 @@
+         if (bus->nodes_modified)
+                 return 0;
+
+-        prefix = alloca(strlen(path) + 1);
++        pl = strlen(path);
++        assert(pl <= BUS_PATH_SIZE_MAX);
++        prefix = new(char, pl + 1);
++        if (!prefix)
++                return -ENOMEM;
++
+         OBJECT_PATH_FOREACH_PREFIX(prefix, path) {
+                 r = object_added_append_all_prefix(bus, m, s, prefix, path, true);
+                 if (r < 0)
+@@ -2436,7 +2464,8 @@
+
+ static int object_removed_append_all(sd_bus *bus, sd_bus_message *m, const char *path) {
+         _cleanup_set_free_ Set *s = NULL;
+-        char *prefix;
++        _cleanup_free_ char *prefix = NULL;
++        size_t pl;
+         int r;
+
+         assert(bus);
+@@ -2468,7 +2497,12 @@
+         if (bus->nodes_modified)
+                 return 0;
+
+-        prefix = alloca(strlen(path) + 1);
++        pl = strlen(path);
++        assert(pl <= BUS_PATH_SIZE_MAX);
++        prefix = new(char, pl + 1);
++        if (!prefix)
++                return -ENOMEM;
++
+         OBJECT_PATH_FOREACH_PREFIX(prefix, path) {
+                 r = object_removed_append_all_prefix(bus, m, s, prefix, path, true);
+                 if (r < 0)
+@@ -2618,7 +2652,8 @@
+                 const char *path,
+                 const char *interface) {
+
+-        char *prefix;
++        _cleanup_free_ char *prefix = NULL;
++        size_t pl;
+         int r;
+
+         assert(bus);
+@@ -2632,7 +2667,12 @@
+         if (bus->nodes_modified)
+                 return 0;
+
+-        prefix = alloca(strlen(path) + 1);
++        pl = strlen(path);
++        assert(pl <= BUS_PATH_SIZE_MAX);
++        prefix = new(char, pl + 1);
++        if (!prefix)
++                return -ENOMEM;
++
+         OBJECT_PATH_FOREACH_PREFIX(prefix, path) {
+                 r = interfaces_added_append_one_prefix(bus, m, prefix, path, interface, true);
+                 if (r != 0)
+
+
+
diff --git a/sys-apps/systemd/systemd-239-r4.ebuild b/sys-apps/systemd/systemd-239-r4.ebuild
new file mode 100644
index 000000000000..c44ada3fd2e7
--- /dev/null
+++ b/sys-apps/systemd/systemd-239-r4.ebuild
@@ -0,0 +1,449 @@
+# Copyright 2011-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+if [[ ${PV} == 9999 ]]; then
+	EGIT_REPO_URI="https://github.com/systemd/systemd.git"
+	inherit git-r3
+else
+	SRC_URI="https://github.com/systemd/systemd/archive/v${PV}/${P}.tar.gz
+		https://dev.gentoo.org/~floppym/dist/${P}-patches-2.tar.gz"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86"
+fi
+
+PYTHON_COMPAT=( python{3_4,3_5,3_6,3_7} )
+
+inherit bash-completion-r1 linux-info meson multilib-minimal ninja-utils pam python-any-r1 systemd toolchain-funcs udev user
+
+DESCRIPTION="System and service manager for Linux"
+HOMEPAGE="https://www.freedesktop.org/wiki/Software/systemd"
+
+LICENSE="GPL-2 LGPL-2.1 MIT public-domain"
+SLOT="0/2"
+IUSE="acl apparmor audit build cryptsetup curl elfutils +gcrypt gnuefi http idn importd +kmod libidn2 +lz4 lzma nat pam pcre policykit qrcode +resolvconf +seccomp selinux +split-usr ssl +sysv-utils test vanilla xkb"
+
+REQUIRED_USE="importd? ( curl gcrypt lzma )"
+RESTRICT="!test? ( test )"
+
+MINKV="3.11"
+
+COMMON_DEPEND=">=sys-apps/util-linux-2.30:0=[${MULTILIB_USEDEP}]
+	sys-libs/libcap:0=[${MULTILIB_USEDEP}]
+	!<sys-libs/glibc-2.16
+	acl? ( sys-apps/acl:0= )
+	apparmor? ( sys-libs/libapparmor:0= )
+	audit? ( >=sys-process/audit-2:0= )
+	cryptsetup? ( >=sys-fs/cryptsetup-1.6:0= )
+	curl? ( net-misc/curl:0= )
+	elfutils? ( >=dev-libs/elfutils-0.158:0= )
+	gcrypt? ( >=dev-libs/libgcrypt-1.4.5:0=[${MULTILIB_USEDEP}] )
+	http? (
+		>=net-libs/libmicrohttpd-0.9.33:0=
+		ssl? ( >=net-libs/gnutls-3.1.4:0= )
+	)
+	idn? (
+		libidn2? ( net-dns/libidn2:= )
+		!libidn2? ( net-dns/libidn:= )
+	)
+	importd? (
+		app-arch/bzip2:0=
+		sys-libs/zlib:0=
+	)
+	kmod? ( >=sys-apps/kmod-15:0= )
+	lz4? ( >=app-arch/lz4-0_p131:0=[${MULTILIB_USEDEP}] )
+	lzma? ( >=app-arch/xz-utils-5.0.5-r1:0=[${MULTILIB_USEDEP}] )
+	nat? ( net-firewall/iptables:0= )
+	pam? ( virtual/pam:=[${MULTILIB_USEDEP}] )
+	pcre? ( dev-libs/libpcre2 )
+	qrcode? ( media-gfx/qrencode:0= )
+	seccomp? ( >=sys-libs/libseccomp-2.3.3:0= )
+	selinux? ( sys-libs/libselinux:0= )
+	xkb? ( >=x11-libs/libxkbcommon-0.4.1:0= )"
+
+# baselayout-2.2 has /run
+RDEPEND="${COMMON_DEPEND}
+	>=sys-apps/baselayout-2.2
+	selinux? ( sec-policy/selinux-base-policy[systemd] )
+	sysv-utils? ( !sys-apps/sysvinit )
+	!sysv-utils? ( sys-apps/sysvinit )
+	resolvconf? ( !net-dns/openresolv )
+	!build? ( || (
+		sys-apps/util-linux[kill(-)]
+		sys-process/procps[kill(+)]
+		sys-apps/coreutils[kill(-)]
+	) )
+	!sys-auth/nss-myhostname
+	!<sys-kernel/dracut-044
+	!sys-fs/eudev
+	!sys-fs/udev"
+
+# sys-apps/dbus: the daemon only (+ build-time lib dep for tests)
+PDEPEND=">=sys-apps/dbus-1.9.8[systemd]
+	>=sys-apps/hwids-20150417[udev]
+	>=sys-fs/udev-init-scripts-25
+	policykit? ( sys-auth/polkit )
+	!vanilla? ( sys-apps/gentoo-systemd-integration )"
+
+# Newer linux-headers needed by ia64, bug #480218
+DEPEND="${COMMON_DEPEND}
+	app-arch/xz-utils:0
+	dev-util/gperf
+	>=dev-util/intltool-0.50
+	>=sys-apps/coreutils-8.16
+	>=sys-kernel/linux-headers-${MINKV}
+	virtual/pkgconfig[${MULTILIB_USEDEP}]
+	gnuefi? ( >=sys-boot/gnu-efi-3.0.2 )
+	test? ( sys-apps/dbus )
+	app-text/docbook-xml-dtd:4.2
+	app-text/docbook-xml-dtd:4.5
+	app-text/docbook-xsl-stylesheets
+	dev-libs/libxslt:0
+	$(python_gen_any_dep 'dev-python/lxml[${PYTHON_USEDEP}]')
+"
+
+pkg_pretend() {
+	if [[ ${MERGE_TYPE} != buildonly ]]; then
+		local CONFIG_CHECK="~AUTOFS4_FS ~BLK_DEV_BSG ~CGROUPS
+			~CHECKPOINT_RESTORE ~DEVTMPFS ~EPOLL ~FANOTIFY ~FHANDLE
+			~INOTIFY_USER ~IPV6 ~NET ~NET_NS ~PROC_FS ~SIGNALFD ~SYSFS
+			~TIMERFD ~TMPFS_XATTR ~UNIX
+			~CRYPTO_HMAC ~CRYPTO_SHA256 ~CRYPTO_USER_API_HASH
+			~!FW_LOADER_USER_HELPER_FALLBACK ~!GRKERNSEC_PROC ~!IDE ~!SYSFS_DEPRECATED
+			~!SYSFS_DEPRECATED_V2"
+
+		use acl && CONFIG_CHECK+=" ~TMPFS_POSIX_ACL"
+		use seccomp && CONFIG_CHECK+=" ~SECCOMP ~SECCOMP_FILTER"
+		kernel_is -lt 3 7 && CONFIG_CHECK+=" ~HOTPLUG"
+		kernel_is -lt 4 7 && CONFIG_CHECK+=" ~DEVPTS_MULTIPLE_INSTANCES"
+		kernel_is -ge 4 10 && CONFIG_CHECK+=" ~CGROUP_BPF"
+
+		if linux_config_exists; then
+			local uevent_helper_path=$(linux_chkconfig_string UEVENT_HELPER_PATH)
+			if [[ -n ${uevent_helper_path} ]] && [[ ${uevent_helper_path} != '""' ]]; then
+				ewarn "It's recommended to set an empty value to the following kernel config option:"
+				ewarn "CONFIG_UEVENT_HELPER_PATH=${uevent_helper_path}"
+			fi
+			if linux_chkconfig_present X86; then
+				CONFIG_CHECK+=" ~DMIID"
+			fi
+		fi
+
+		if kernel_is -lt ${MINKV//./ }; then
+			ewarn "Kernel version at least ${MINKV} required"
+		fi
+
+		check_extra_config
+	fi
+}
+
+pkg_setup() {
+	:
+}
+
+src_unpack() {
+	default
+	[[ ${PV} != 9999 ]] || git-r3_src_unpack
+}
+
+src_prepare() {
+	# Do NOT add patches here
+	local PATCHES=()
+
+	[[ -d "${WORKDIR}"/patches ]] && PATCHES+=( "${WORKDIR}"/patches )
+
+	# Add local patches here
+	PATCHES+=(
+		"${FILESDIR}"/239-debug-extra.patch
+		"${FILESDIR}"/CVE-2019-6454.patch
+	)
+
+	if ! use vanilla; then
+		PATCHES+=(
+			"${FILESDIR}/gentoo-Dont-enable-audit-by-default.patch"
+			"${FILESDIR}/gentoo-systemd-user-pam.patch"
+			"${FILESDIR}/gentoo-uucp-group-r1.patch"
+			"${FILESDIR}/gentoo-generator-path.patch"
+		)
+	fi
+
+	default
+}
+
+src_configure() {
+	# Prevent conflicts with i686 cross toolchain, bug 559726
+	tc-export AR CC NM OBJCOPY RANLIB
+
+	python_setup
+
+	multilib-minimal_src_configure
+}
+
+meson_use() {
+	usex "$1" true false
+}
+
+meson_multilib() {
+	if multilib_is_native_abi; then
+		echo true
+	else
+		echo false
+	fi
+}
+
+meson_multilib_native_use() {
+	if multilib_is_native_abi && use "$1"; then
+		echo true
+	else
+		echo false
+	fi
+}
+
+multilib_src_configure() {
+	local myconf=(
+		--localstatedir="${EPREFIX}/var"
+		-Dpamlibdir="$(getpam_mod_dir)"
+		# avoid bash-completion dep
+		-Dbashcompletiondir="$(get_bashcompdir)"
+		# make sure we get /bin:/sbin in PATH
+		-Dsplit-usr=$(usex split-usr true false)
+		-Drootprefix="$(usex split-usr "${EPREFIX:-/}" "${EPREFIX}/usr")"
+		-Dsysvinit-path=
+		-Dsysvrcnd-path=
+		# Avoid infinite exec recursion, bug 642724
+		-Dtelinit-path="${EPREFIX}/lib/sysvinit/telinit"
+		# no deps
+		-Defi=$(meson_multilib)
+		-Dima=true
+		# Optional components/dependencies
+		-Dacl=$(meson_multilib_native_use acl)
+		-Dapparmor=$(meson_multilib_native_use apparmor)
+		-Daudit=$(meson_multilib_native_use audit)
+		-Dlibcryptsetup=$(meson_multilib_native_use cryptsetup)
+		-Dlibcurl=$(meson_multilib_native_use curl)
+		-Delfutils=$(meson_multilib_native_use elfutils)
+		-Dgcrypt=$(meson_use gcrypt)
+		-Dgnu-efi=$(meson_multilib_native_use gnuefi)
+		-Defi-libdir="${EPREFIX}/usr/$(get_libdir)"
+		-Dmicrohttpd=$(meson_multilib_native_use http)
+		$(usex http -Dgnutls=$(meson_multilib_native_use ssl) -Dgnutls=false)
+		-Dimportd=$(meson_multilib_native_use importd)
+		-Dbzip2=$(meson_multilib_native_use importd)
+		-Dzlib=$(meson_multilib_native_use importd)
+		-Dkmod=$(meson_multilib_native_use kmod)
+		-Dlz4=$(meson_use lz4)
+		-Dxz=$(meson_use lzma)
+		-Dlibiptc=$(meson_multilib_native_use nat)
+		-Dpam=$(meson_use pam)
+		-Dpcre2=$(meson_multilib_native_use pcre)
+		-Dpolkit=$(meson_multilib_native_use policykit)
+		-Dqrencode=$(meson_multilib_native_use qrcode)
+		-Dseccomp=$(meson_multilib_native_use seccomp)
+		-Dselinux=$(meson_multilib_native_use selinux)
+		#-Dtests=$(meson_multilib_native_use test)
+		-Ddbus=$(meson_multilib_native_use test)
+		-Dxkbcommon=$(meson_multilib_native_use xkb)
+		# hardcode a few paths to spare some deps
+		-Dkill-path=/bin/kill
+		-Dntp-servers="0.gentoo.pool.ntp.org 1.gentoo.pool.ntp.org 2.gentoo.pool.ntp.org 3.gentoo.pool.ntp.org"
+		# Breaks screen, tmux, etc.
+		-Ddefault-kill-user-processes=false
+
+		# multilib options
+		-Dbacklight=$(meson_multilib)
+		-Dbinfmt=$(meson_multilib)
+		-Dcoredump=$(meson_multilib)
+		-Denvironment-d=$(meson_multilib)
+		-Dfirstboot=$(meson_multilib)
+		-Dhibernate=$(meson_multilib)
+		-Dhostnamed=$(meson_multilib)
+		-Dhwdb=$(meson_multilib)
+		-Dldconfig=$(meson_multilib)
+		-Dlocaled=$(meson_multilib)
+		-Dman=$(meson_multilib)
+		-Dnetworkd=$(meson_multilib)
+		-Dquotacheck=$(meson_multilib)
+		-Drandomseed=$(meson_multilib)
+		-Drfkill=$(meson_multilib)
+		-Dsysusers=$(meson_multilib)
+		-Dtimedated=$(meson_multilib)
+		-Dtimesyncd=$(meson_multilib)
+		-Dtmpfiles=$(meson_multilib)
+		-Dvconsole=$(meson_multilib)
+	)
+
+	if multilib_is_native_abi && use idn; then
+		myconf+=(
+			-Dlibidn2=$(usex libidn2 true false)
+			-Dlibidn=$(usex libidn2 false true)
+		)
+	else
+		myconf+=(
+			-Dlibidn2=false
+			-Dlibidn=false
+		)
+	fi
+
+	meson_src_configure "${myconf[@]}"
+}
+
+multilib_src_compile() {
+	eninja
+}
+
+multilib_src_test() {
+	unset DBUS_SESSION_BUS_ADDRESS XDG_RUNTIME_DIR
+	eninja test
+}
+
+multilib_src_install() {
+	DESTDIR="${D}" eninja install
+}
+
+multilib_src_install_all() {
+	local rootprefix=$(usex split-usr '' /usr)
+
+	# meson doesn't know about docdir
+	mv "${ED%/}"/usr/share/doc/{systemd,${PF}} || die
+
+	einstalldocs
+	dodoc "${FILESDIR}"/nsswitch.conf
+
+	if ! use resolvconf; then
+		rm -f "${ED%/}${rootprefix}"/sbin/resolvconf || die
+	fi
+
+	if ! use sysv-utils; then
+		rm "${ED%/}${rootprefix}"/sbin/{halt,init,poweroff,reboot,runlevel,shutdown,telinit} || die
+		rm "${ED%/}"/usr/share/man/man1/init.1 || die
+		rm "${ED%/}"/usr/share/man/man8/{halt,poweroff,reboot,runlevel,shutdown,telinit}.8 || die
+	fi
+
+	if ! use resolvconf && ! use sysv-utils; then
+		rmdir "${ED%/}${rootprefix}"/sbin || die
+	fi
+
+	# Preserve empty dirs in /etc & /var, bug #437008
+	keepdir /etc/{binfmt.d,modules-load.d,tmpfiles.d}
+	keepdir /etc/systemd/{ntp-units.d,user} /var/lib/systemd
+	keepdir /etc/udev/{hwdb.d,rules.d}
+	keepdir /var/log/journal/remote
+
+	# Symlink /etc/sysctl.conf for easy migration.
+	dosym ../sysctl.conf /etc/sysctl.d/99-sysctl.conf
+
+	# If we install these symlinks, there is no way for the sysadmin to remove them
+	# permanently.
+	rm -f "${ED%/}"/etc/systemd/system/multi-user.target.wants/systemd-networkd.service || die
+	rm -f "${ED%/}"/etc/systemd/system/dbus-org.freedesktop.network1.service || die
+	rm -f "${ED%/}"/etc/systemd/system/multi-user.target.wants/systemd-resolved.service || die
+	rm -f "${ED%/}"/etc/systemd/system/dbus-org.freedesktop.resolve1.service || die
+	rm -fr "${ED%/}"/etc/systemd/system/network-online.target.wants || die
+	rm -fr "${ED%/}"/etc/systemd/system/sockets.target.wants || die
+	rm -fr "${ED%/}"/etc/systemd/system/sysinit.target.wants || die
+
+	local udevdir=/lib/udev
+	use split-usr || udevdir=/usr/lib/udev
+
+	rm -r "${ED%/}${udevdir}/hwdb.d" || die
+
+	if use split-usr; then
+		# Avoid breaking boot/reboot
+		dosym ../../../lib/systemd/systemd /usr/lib/systemd/systemd
+		dosym ../../../lib/systemd/systemd-shutdown /usr/lib/systemd/systemd-shutdown
+	fi
+}
+
+migrate_locale() {
+	local envd_locale_def="${EROOT%/}/etc/env.d/02locale"
+	local envd_locale=( "${EROOT%/}"/etc/env.d/??locale )
+	local locale_conf="${EROOT%/}/etc/locale.conf"
+
+	if [[ ! -L ${locale_conf} && ! -e ${locale_conf} ]]; then
+		# If locale.conf does not exist...
+		if [[ -e ${envd_locale} ]]; then
+			# ...either copy env.d/??locale if there's one
+			ebegin "Moving ${envd_locale} to ${locale_conf}"
+			mv "${envd_locale}" "${locale_conf}"
+			eend ${?} || FAIL=1
+		else
+			# ...or create a dummy default
+			ebegin "Creating ${locale_conf}"
+			cat > "${locale_conf}" <<-EOF
+				# This file has been created by the sys-apps/systemd ebuild.
+				# See locale.conf(5) and localectl(1).
+
+				# LANG=${LANG}
+			EOF
+			eend ${?} || FAIL=1
+		fi
+	fi
+
+	if [[ ! -L ${envd_locale} ]]; then
+		# now, if env.d/??locale is not a symlink (to locale.conf)...
+		if [[ -e ${envd_locale} ]]; then
+			# ...warn the user that he has duplicate locale settings
+			ewarn
+			ewarn "To ensure consistent behavior, you should replace ${envd_locale}"
+			ewarn "with a symlink to ${locale_conf}. Please migrate your settings"
+			ewarn "and create the symlink with the following command:"
+			ewarn "ln -s -n -f ../locale.conf ${envd_locale}"
+			ewarn
+		else
+			# ...or just create the symlink if there's nothing here
+			ebegin "Creating ${envd_locale_def} -> ../locale.conf symlink"
+			ln -n -s ../locale.conf "${envd_locale_def}"
+			eend ${?} || FAIL=1
+		fi
+	fi
+}
+
+pkg_postinst() {
+	newusergroup() {
+		enewgroup "$1"
+		enewuser "$1" -1 -1 -1 "$1"
+	}
+
+	enewgroup input
+	enewgroup kvm 78
+	enewgroup render
+	enewgroup systemd-journal
+	newusergroup systemd-bus-proxy
+	newusergroup systemd-coredump
+	newusergroup systemd-journal-gateway
+	newusergroup systemd-journal-remote
+	newusergroup systemd-journal-upload
+	newusergroup systemd-network
+	newusergroup systemd-resolve
+	newusergroup systemd-timesync
+
+	systemd_update_catalog
+
+	# Keep this here in case the database format changes so it gets updated
+	# when required. Despite that this file is owned by sys-apps/hwids.
+	if has_version "sys-apps/hwids[udev]"; then
+		udevadm hwdb --update --root="${EROOT%/}"
+	fi
+
+	udev_reload || FAIL=1
+
+	# Bug 465468, make sure locales are respect, and ensure consistency
+	# between OpenRC & systemd
+	migrate_locale
+
+	systemd_reenable systemd-networkd.service systemd-resolved.service
+
+	if [[ ${FAIL} ]]; then
+		eerror "One of the postinst commands failed. Please check the postinst output"
+		eerror "for errors. You may need to clean up your system and/or try installing"
+		eerror "systemd again."
+		eerror
+	fi
+}
+
+pkg_prerm() {
+	# If removing systemd completely, remove the catalog database.
+	if [[ ! ${REPLACED_BY_VERSION} ]]; then
+		rm -f -v "${EROOT}"/var/lib/systemd/catalog/database
+	fi
+}
-- 
2.26.2