sys-auth/polkit: backport CVE-2021-3560, CVE-2021-4043 patches to 0.117

Needed for non-Rust arches like sparc.

(Most users are on 0.120 and already fixed in previous commits.)

Bug: https://bugs.gentoo.org/794052
Bug: https://bugs.gentoo.org/832057
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 165 insertions, 0 deletions

diff --git a/sys-auth/polkit/files/polkit-0.117-CVE-2021-3560.patch b/sys-auth/polkit/files/polkit-0.117-CVE-2021-3560.patch
new file mode 100644
index 000000000000..9c3ce20cf574
--- /dev/null
+++ b/sys-auth/polkit/files/polkit-0.117-CVE-2021-3560.patch
@@ -0,0 +1,29 @@
+https://bugs.gentoo.org/794052
+
+From a04d13affe0fa53ff618e07aa8f57f4c0e3b9b81 Mon Sep 17 00:00:00 2001
+From: Jan Rybar <jrybar@redhat.com>
+Date: Wed, 2 Jun 2021 15:43:38 +0200
+Subject: [PATCH] GHSL-2021-074: authentication bypass vulnerability in polkit
+
+initial values returned if error caught
+---
+ src/polkit/polkitsystembusname.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/src/polkit/polkitsystembusname.c b/src/polkit/polkitsystembusname.c
+index 8daa12c..8ed1363 100644
+--- a/src/polkit/polkitsystembusname.c
++++ b/src/polkit/polkitsystembusname.c
+@@ -435,6 +435,9 @@ polkit_system_bus_name_get_creds_sync (PolkitSystemBusName           *system_bus
+   while (!((data.retrieved_uid && data.retrieved_pid) || data.caught_error))
+     g_main_context_iteration (tmp_context, TRUE);
+ 
++  if (data.caught_error)
++    goto out;
++
+   if (out_uid)
+     *out_uid = data.uid;
+   if (out_pid)
+-- 
+GitLab
+
diff --git a/sys-auth/polkit/polkit-0.117-r3.ebuild b/sys-auth/polkit/polkit-0.117-r3.ebuild
new file mode 100644
index 000000000000..6dab5cf577c0
--- /dev/null
+++ b/sys-auth/polkit/polkit-0.117-r3.ebuild
@@ -0,0 +1,136 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit autotools pam pax-utils systemd xdg-utils
+
+DESCRIPTION="Policy framework for controlling privileges for system-wide services"
+HOMEPAGE="https://www.freedesktop.org/wiki/Software/polkit https://gitlab.freedesktop.org/polkit/polkit"
+SRC_URI="https://www.freedesktop.org/software/${PN}/releases/${P}.tar.gz"
+
+LICENSE="LGPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86"
+IUSE="elogind examples gtk +introspection kde nls pam selinux systemd test"
+RESTRICT="!test? ( test )"
+
+REQUIRED_USE="^^ ( elogind systemd )"
+
+BDEPEND="
+	acct-user/polkitd
+	app-text/docbook-xml-dtd:4.1.2
+	app-text/docbook-xsl-stylesheets
+	dev-libs/glib
+	dev-libs/gobject-introspection-common
+	dev-libs/libxslt
+	dev-util/glib-utils
+	dev-util/gtk-doc-am
+	dev-util/intltool
+	sys-devel/gettext
+	virtual/pkgconfig
+	introspection? ( dev-libs/gobject-introspection )
+"
+DEPEND="
+	dev-lang/spidermonkey:68[-debug]
+	dev-libs/glib:2
+	dev-libs/expat
+	elogind? ( sys-auth/elogind )
+	pam? (
+		sys-auth/pambase
+		sys-libs/pam
+	)
+	!pam? ( virtual/libcrypt:= )
+	systemd? ( sys-apps/systemd:0=[policykit] )
+"
+RDEPEND="${DEPEND}
+	acct-user/polkitd
+	selinux? ( sec-policy/selinux-policykit )
+"
+PDEPEND="
+	gtk? ( || (
+		>=gnome-extra/polkit-gnome-0.105
+		>=lxde-base/lxsession-0.5.2
+	) )
+	kde? ( kde-plasma/polkit-kde-agent )
+"
+
+DOCS=( docs/TODO HACKING NEWS README )
+
+PATCHES=(
+	# bug 660880
+	"${FILESDIR}"/polkit-0.115-elogind.patch
+
+	"${FILESDIR}"/polkit-0.117-CVE-2021-3560.patch
+	"${FILESDIR}"/polkit-0.120-CVE-2021-4043.patch
+)
+
+QA_MULTILIB_PATHS="
+	usr/lib/polkit-1/polkit-agent-helper-1
+	usr/lib/polkit-1/polkitd"
+
+src_prepare() {
+	default
+
+	sed -i -e 's|unix-group:wheel|unix-user:0|' src/polkitbackend/*-default.rules || die #401513
+
+	# Workaround upstream hack around standard gtk-doc behavior, bug #552170
+	sed -i -e 's/@ENABLE_GTK_DOC_TRUE@\(TARGET_DIR\)/\1/' \
+		-e '/install-data-local:/,/uninstall-local:/ s/@ENABLE_GTK_DOC_TRUE@//' \
+		-e 's/@ENABLE_GTK_DOC_FALSE@install-data-local://' \
+		docs/polkit/Makefile.in || die
+
+	# disable broken test - bug #624022
+	sed -i -e "/^SUBDIRS/s/polkitbackend//" test/Makefile.am || die
+
+	# Fix cross-building, bug #590764, elogind patch, bug #598615
+	eautoreconf
+}
+
+src_configure() {
+	xdg_environment_reset
+
+	local myeconfargs=(
+		--localstatedir="${EPREFIX}"/var
+		--disable-static
+		--enable-man-pages
+		--disable-gtk-doc
+		--disable-examples
+		$(use_enable elogind libelogind)
+		$(use_enable introspection)
+		$(use_enable nls)
+		$(usex pam "--with-pam-module-dir=$(getpam_mod_dir)" '')
+		--with-authfw=$(usex pam pam shadow)
+		$(use_enable systemd libsystemd-login)
+		--with-systemdsystemunitdir="$(systemd_get_systemunitdir)"
+		$(use_enable test)
+		--with-os-type=gentoo
+	)
+	econf "${myeconfargs[@]}"
+}
+
+src_compile() {
+	default
+
+	# Required for polkitd on hardened/PaX due to spidermonkey's JIT
+	pax-mark mr src/polkitbackend/.libs/polkitd test/polkitbackend/.libs/polkitbackendjsauthoritytest
+}
+
+src_install() {
+	default
+
+	if use examples; then
+		docinto examples
+		dodoc src/examples/{*.c,*.policy*}
+	fi
+
+	diropts -m 0700 -o polkitd
+	keepdir /usr/share/polkit-1/rules.d
+
+	find "${ED}" -name '*.la' -delete || die
+}
+
+pkg_postinst() {
+	chmod 0700 "${EROOT}"/{etc,usr/share}/polkit-1/rules.d
+	chown polkitd "${EROOT}"/{etc,usr/share}/polkit-1/rules.d
+}