app-emulation/spice: patch integer overflow, bug #663330

Bug: https://bugs.gentoo.org/663330
Package-Manager: Portage-2.3.46, Repoman-2.3.10

app-emulation/spice/files/spice-0.14.0-fix-flexible-array-buffer-overflow.patch

@@ -0,0 +1,12 @@
+diff --git a/spice-common/python_modules/demarshal.py b/spice-common/python_modules/demarshal.py
+index 1ea131d..7172762 100644
+--- a/spice-common/python_modules/demarshal.py
++++ b/spice-common/python_modules/demarshal.py
+@@ -318,6 +318,7 @@ def write_validate_array_item(writer, container, item, scope, parent_scope, star
+         writer.assign(nelements, array.size)
+     elif array.is_remaining_length():
+         if element_type.is_fixed_nw_size():
++            writer.error_check("%s > message_end" % item.get_position())
+             if element_type.get_fixed_nw_size() == 1:
+                 writer.assign(nelements, "message_end - %s" % item.get_position())
+             else:

app-emulation/spice/spice-0.14.0-r2.ebuild

@@ -0,0 +1,102 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
+
+inherit autotools ltprune python-any-r1 readme.gentoo-r1 xdg-utils
+
+DESCRIPTION="SPICE server"
+HOMEPAGE="https://www.spice-space.org/"
+SRC_URI="https://www.spice-space.org/download/releases/${P}.tar.bz2"
+
+LICENSE="LGPL-2.1"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~x86"
+IUSE="libressl lz4 sasl smartcard static-libs gstreamer"
+
+# the libspice-server only uses the headers of libcacard
+RDEPEND="
+	dev-lang/orc[static-libs(+)?]
+	>=dev-libs/glib-2.22:2[static-libs(+)?]
+	media-libs/opus[static-libs(+)?]
+	sys-libs/zlib[static-libs(+)?]
+	virtual/jpeg:0=[static-libs(+)?]
+	>=x11-libs/pixman-0.17.7[static-libs(+)?]
+	!libressl? ( dev-libs/openssl:0=[static-libs(+)?] )
+	libressl? ( dev-libs/libressl:0=[static-libs(+)?] )
+	lz4? ( app-arch/lz4:0=[static-libs(+)?] )
+	smartcard? ( >=app-emulation/libcacard-0.1.2 )
+	sasl? ( dev-libs/cyrus-sasl[static-libs(+)?] )
+	gstreamer? (
+		media-libs/gstreamer:1.0
+		media-libs/gst-plugins-base:1.0
+	)"
+DEPEND="${RDEPEND}
+	${PYTHON_DEPS}
+	>=app-emulation/spice-protocol-0.12.13
+	virtual/pkgconfig
+	$(python_gen_any_dep '
+		>=dev-python/pyparsing-1.5.6-r2[${PYTHON_USEDEP}]
+		dev-python/six[${PYTHON_USEDEP}]
+	')
+	smartcard? ( app-emulation/qemu[smartcard] )"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-libressl_fix.patch
+	"${FILESDIR}"/${P}-openssl1.1_fix.patch
+	"${FILESDIR}"/${P}-fix-flexible-array-buffer-overflow.patch
+)
+
+python_check_deps() {
+	has_version ">=dev-python/pyparsing-1.5.6-r2[${PYTHON_USEDEP}]"
+	has_version "dev-python/six[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	[[ ${MERGE_TYPE} != binary ]] && python-any-r1_pkg_setup
+}
+
+src_prepare() {
+	default
+
+	eautoreconf
+}
+
+src_configure() {
+	# Prevent sandbox violations, bug #586560
+	# https://bugzilla.gnome.org/show_bug.cgi?id=744134
+	# https://bugzilla.gnome.org/show_bug.cgi?id=744135
+	addpredict /dev
+
+	xdg_environment_reset
+
+	local myconf="
+		$(use_enable static-libs static)
+		$(use_enable lz4)
+		$(use_with sasl)
+		$(use_enable smartcard)
+		--enable-gstreamer=$(usex gstreamer "1.0" "no")
+		--disable-celt051
+		"
+	econf ${myconf}
+}
+
+src_compile() {
+	# Prevent sandbox violations, bug #586560
+	# https://bugzilla.gnome.org/show_bug.cgi?id=744134
+	# https://bugzilla.gnome.org/show_bug.cgi?id=744135
+	addpredict /dev
+
+	default
+}
+
+src_install() {
+	default
+	use static-libs || prune_libtool_files
+	readme.gentoo_create_doc
+}
+
+pkg_postinst() {
+	readme.gentoo_print_elog
+}