sys-boot/grub: backport security fixes

Bug: https://bugs.gentoo.org/881413
Signed-off-by: Mike Gilbert <floppym@gentoo.org>

2 files changed, 331 insertions, 0 deletions

diff --git a/sys-boot/grub/Manifest b/sys-boot/grub/Manifest
index 1629358f341f..591e617ac3ca 100644
--- a/sys-boot/grub/Manifest
+++ b/sys-boot/grub/Manifest
@@ -1,4 +1,5 @@
 DIST dejavu-sans-ttf-2.37.zip 417746 BLAKE2B c8904f3cd5a49370a7dc10e456684c88aeae998a99090bf4d0a5baa4f36cc8fb8f70586cf6d610a5ffeee97261d28c80f55bbe9dcfc3ed796d5c2d60e79adb58 SHA512 ede5899daa1984c5aa8cacb1c850eb53f189dddef3d9bb78bf9774d8976b7c0d6eb0bcf86237cd7d11f5b36cf5b5058d42cd94d3bd76f2bd0931c7ceb1271fae
 DIST grub-2.06-backports-r1.tar.xz 31900 BLAKE2B d8320eff8cebc408b7c4845d17adf82470407fd3837ab8508703f0f3b2bf5271d6ea8ec2cdf57461e77dd9b69458e9a9d197b533029df3637aad3656b2968b65 SHA512 2487a305ca3f969ed735df0ef181cc7caceffcfaf0126dbd8cceb19ce1062952404f0e5deeaa4f9431cafa94c40c2d57c77da17ea3da4ff62592e42e852b107a
+DIST grub-2.06-backports-r2.tar.xz 40416 BLAKE2B d9b4a8274a24aa35023eef7450bc4311045d0872250b1d11b1714b9daa32f7862fe1444b5b86db8b885a9f7b3af2459a5b2f87f0beaf4326a982fd96ec51d602 SHA512 99cf40b3d3d10cf6ba928ccc571c3a8baab217f650267fa7de4ba4ce807a895ff9414156647cc4dcb34bfbe48747a0c486bf60fee1c188a2dc89f26c2db3840f
 DIST grub-2.06.tar.xz 6581924 BLAKE2B 2a40b9b03d7bb3b9e7b1309ab274d686f01b3c42e7035ebc6e5a0e59a59c3b7362ba518341664b314cb0dbc8222bb10ea05ce09f08ce9d58a293207cb909e417 SHA512 4f11c648f3078567e53fc0c74d5026fdc6da4be27d188975e79d9a4df817ade0fe5ad2ddd694238a07edc45adfa02943d83c57767dd51548102b375e529e8efe
 DIST unifont-12.1.02.pcf.gz 1335424 BLAKE2B 97080312468e3f3c8aa6f49cef08f5622641e8c9c035f3ede1e09d8d98de4e78d3b23c8aba2e8070eb46cbebd2d55e8568e467d7f15f35aa8fc8db792b7e5f14 SHA512 b280b2db7cf5f480b0668c331130dede2c0cc87d5e02e44566b77787113d0f6604d0105522858288f2ac6b8e77df7a2d9878725013a6c778dc5bfb183156e2f0
diff --git a/sys-boot/grub/grub-2.06-r4.ebuild b/sys-boot/grub/grub-2.06-r4.ebuild
new file mode 100644
index 000000000000..1c1d4ba535b5
--- /dev/null
+++ b/sys-boot/grub/grub-2.06-r4.ebuild
@@ -0,0 +1,330 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+# This ebuild uses 3 special global variables:
+# GRUB_BOOTSTRAP: Depend on python and invoke bootstrap (gnulib).
+# GRUB_AUTOGEN: Depend on python and invoke the autogen.sh.
+# GRUB_AUTORECONF: Inherit autotools and invoke eautoreconf.
+#
+# When applying patches:
+# If gnulib is updated, set GRUB_BOOTSTRAP=1
+# If *.def is updated, set GRUB_AUTOGEN=1
+# If gnulib, *.def, or any autotools files are updated, set GRUB_AUTORECONF=1
+#
+# If any of the above applies to a user patch, the user should set the
+# corresponding variable in make.conf or the environment.
+
+if [[ ${PV} == 9999  ]]; then
+	GRUB_BOOTSTRAP=1
+fi
+
+GRUB_AUTORECONF=1
+PYTHON_COMPAT=( python3_{8..11} )
+WANT_LIBTOOL=none
+
+if [[ -n ${GRUB_AUTOGEN} || -n ${GRUB_BOOTSTRAP} ]]; then
+	inherit python-any-r1
+fi
+
+if [[ -n ${GRUB_AUTORECONF} ]]; then
+	inherit autotools
+fi
+
+inherit bash-completion-r1 flag-o-matic multibuild optfeature toolchain-funcs
+
+if [[ ${PV} != 9999 ]]; then
+	if [[ ${PV} == *_alpha* || ${PV} == *_beta* || ${PV} == *_rc* ]]; then
+		# The quote style is to work with <=bash-4.2 and >=bash-4.3 #503860
+		MY_P=${P/_/'~'}
+		SRC_URI="https://alpha.gnu.org/gnu/${PN}/${MY_P}.tar.xz"
+		S=${WORKDIR}/${MY_P}
+	else
+		SRC_URI="mirror://gnu/${PN}/${P}.tar.xz"
+		S=${WORKDIR}/${P%_*}
+	fi
+	KEYWORDS="~amd64 ~arm ~arm64 ~ia64 ~ppc ~ppc64 ~riscv ~sparc ~x86"
+else
+	inherit git-r3
+	EGIT_REPO_URI="https://git.savannah.gnu.org/git/grub.git"
+fi
+
+SRC_URI+=" https://dev.gentoo.org/~floppym/dist/grub-2.06-backports-r2.tar.xz"
+
+PATCHES=(
+	"${WORKDIR}/${P}-backports"
+	"${FILESDIR}"/gfxpayload.patch
+	"${FILESDIR}"/grub-2.02_beta2-KERNEL_GLOBS.patch
+	"${FILESDIR}"/grub-2.06-test-words.patch
+	"${FILESDIR}"/grub-2.06-grub-mkconfig-restore-umask.patch
+)
+
+DEJAVU=dejavu-sans-ttf-2.37
+UNIFONT=unifont-12.1.02
+SRC_URI+=" fonts? ( mirror://gnu/unifont/${UNIFONT}/${UNIFONT}.pcf.gz )
+	themes? ( mirror://sourceforge/dejavu/${DEJAVU}.zip )"
+
+DESCRIPTION="GNU GRUB boot loader"
+HOMEPAGE="https://www.gnu.org/software/grub/"
+
+# Includes licenses for dejavu and unifont
+LICENSE="GPL-3+ BSD MIT fonts? ( GPL-2-with-font-exception ) themes? ( CC-BY-SA-3.0 BitstreamVera )"
+SLOT="2/${PVR}"
+IUSE="device-mapper doc efiemu +fonts mount nls sdl test +themes truetype libzfs"
+
+GRUB_ALL_PLATFORMS=( coreboot efi-32 efi-64 emu ieee1275 loongson multiboot qemu qemu-mips pc uboot xen xen-32 xen-pvh )
+IUSE+=" ${GRUB_ALL_PLATFORMS[@]/#/grub_platforms_}"
+
+REQUIRED_USE="
+	grub_platforms_coreboot? ( fonts )
+	grub_platforms_qemu? ( fonts )
+	grub_platforms_ieee1275? ( fonts )
+	grub_platforms_loongson? ( fonts )
+"
+
+BDEPEND="
+	${PYTHON_DEPS}
+	sys-devel/flex
+	sys-devel/bison
+	sys-apps/help2man
+	sys-apps/texinfo
+	fonts? (
+		media-libs/freetype:2
+		virtual/pkgconfig
+	)
+	test? (
+		app-admin/genromfs
+		app-arch/cpio
+		app-arch/lzop
+		app-emulation/qemu
+		dev-libs/libisoburn
+		sys-apps/miscfiles
+		sys-block/parted
+		sys-fs/squashfs-tools
+	)
+	themes? (
+		app-arch/unzip
+		media-libs/freetype:2
+		virtual/pkgconfig
+	)
+	truetype? ( virtual/pkgconfig )
+"
+DEPEND="
+	app-arch/xz-utils
+	>=sys-libs/ncurses-5.2-r5:0=
+	grub_platforms_emu? (
+		sdl? ( media-libs/libsdl )
+	)
+	device-mapper? ( >=sys-fs/lvm2-2.02.45 )
+	libzfs? ( sys-fs/zfs:= )
+	mount? ( sys-fs/fuse:0 )
+	truetype? ( media-libs/freetype:2= )
+	ppc? ( >=sys-apps/ibm-powerpc-utils-1.3.5 )
+	ppc64? ( >=sys-apps/ibm-powerpc-utils-1.3.5 )
+"
+RDEPEND="${DEPEND}
+	kernel_linux? (
+		grub_platforms_efi-32? ( sys-boot/efibootmgr )
+		grub_platforms_efi-64? ( sys-boot/efibootmgr )
+	)
+	!sys-boot/grub:0
+	nls? ( sys-devel/gettext )
+"
+
+RESTRICT="!test? ( test )"
+
+QA_EXECSTACK="usr/bin/grub-emu* usr/lib/grub/*"
+QA_PRESTRIPPED="usr/lib/grub/.*"
+QA_MULTILIB_PATHS="usr/lib/grub/.*"
+QA_WX_LOAD="usr/lib/grub/*"
+
+pkg_setup() {
+	:
+}
+
+src_unpack() {
+	if [[ ${PV} == 9999 ]]; then
+		git-r3_src_unpack
+		pushd "${P}" >/dev/null || die
+		local GNULIB_URI="https://git.savannah.gnu.org/git/gnulib.git"
+		local GNULIB_REVISION=$(source bootstrap.conf >/dev/null; echo "${GNULIB_REVISION}")
+		git-r3_fetch "${GNULIB_URI}" "${GNULIB_REVISION}"
+		git-r3_checkout "${GNULIB_URI}" gnulib
+		popd >/dev/null || die
+	fi
+	default
+}
+
+src_prepare() {
+	default
+
+	sed -i -e /autoreconf/d autogen.sh || die
+
+	if [[ -n ${GRUB_AUTOGEN} || -n ${GRUB_BOOTSTRAP} ]]; then
+		python_setup
+	else
+		export PYTHON=true
+	fi
+
+	if [[ -n ${GRUB_BOOTSTRAP} ]]; then
+		eautopoint --force
+		AUTOPOINT=: AUTORECONF=: ./bootstrap || die
+	elif [[ -n ${GRUB_AUTOGEN} ]]; then
+		./autogen.sh || die
+	fi
+
+	if [[ -n ${GRUB_AUTORECONF} ]]; then
+		eautoreconf
+	fi
+}
+
+grub_do() {
+	multibuild_foreach_variant run_in_build_dir "$@"
+}
+
+grub_do_once() {
+	multibuild_for_best_variant run_in_build_dir "$@"
+}
+
+grub_configure() {
+	local platform
+
+	case ${MULTIBUILD_VARIANT} in
+		efi*) platform=efi ;;
+		xen-pvh) platform=xen_pvh ;;
+		xen*) platform=xen ;;
+		guessed) ;;
+		*) platform=${MULTIBUILD_VARIANT} ;;
+	esac
+
+	case ${MULTIBUILD_VARIANT} in
+		*-32)
+			if [[ ${CTARGET:-${CHOST}} == x86_64* ]]; then
+				local CTARGET=i386
+			fi ;;
+		*-64)
+			if [[ ${CTARGET:-${CHOST}} == i?86* ]]; then
+				local CTARGET=x86_64
+				local -x TARGET_CFLAGS="-Os -march=x86-64 ${TARGET_CFLAGS}"
+				local -x TARGET_CPPFLAGS="-march=x86-64 ${TARGET_CPPFLAGS}"
+			fi ;;
+	esac
+
+	local myeconfargs=(
+		--disable-werror
+		--program-prefix=
+		--libdir="${EPREFIX}"/usr/lib
+		$(use_enable device-mapper)
+		$(use_enable mount grub-mount)
+		$(use_enable nls)
+		$(use_enable themes grub-themes)
+		$(use_enable truetype grub-mkfont)
+		$(use_enable libzfs)
+		$(use_enable sdl grub-emu-sdl)
+		${platform:+--with-platform=}${platform}
+
+		# Let configure detect this where supported
+		$(usex efiemu '' '--disable-efiemu')
+	)
+
+	if use fonts; then
+		ln -rs "${WORKDIR}/${UNIFONT}.pcf" unifont.pcf || die
+	fi
+
+	if use themes; then
+		ln -rs "${WORKDIR}/${DEJAVU}/ttf/DejaVuSans.ttf" DejaVuSans.ttf || die
+	fi
+
+	local ECONF_SOURCE="${S}"
+	econf "${myeconfargs[@]}"
+}
+
+src_configure() {
+	# Bug 508758.
+	replace-flags -O3 -O2
+
+	# Workaround for bug 829165.
+	filter-ldflags -pie
+
+	# We don't want to leak flags onto boot code.
+	export HOST_CCASFLAGS=${CCASFLAGS}
+	export HOST_CFLAGS=${CFLAGS}
+	export HOST_CPPFLAGS=${CPPFLAGS}
+	export HOST_LDFLAGS=${LDFLAGS}
+	unset CCASFLAGS CFLAGS CPPFLAGS LDFLAGS
+
+	tc-ld-disable-gold #439082 #466536 #526348
+	export TARGET_LDFLAGS="${TARGET_LDFLAGS} ${LDFLAGS}"
+	unset LDFLAGS
+
+	tc-export CC NM OBJCOPY RANLIB STRIP
+	tc-export BUILD_CC BUILD_PKG_CONFIG
+
+	MULTIBUILD_VARIANTS=()
+	local p
+	for p in "${GRUB_ALL_PLATFORMS[@]}"; do
+		use "grub_platforms_${p}" && MULTIBUILD_VARIANTS+=( "${p}" )
+	done
+	[[ ${#MULTIBUILD_VARIANTS[@]} -eq 0 ]] && MULTIBUILD_VARIANTS=( guessed )
+	grub_do grub_configure
+}
+
+src_compile() {
+	# Sandbox bug 404013.
+	use libzfs && addpredict /etc/dfs:/dev/zfs
+
+	grub_do emake
+	use doc && grub_do_once emake -C docs html
+}
+
+src_test() {
+	# The qemu dependency is a bit complex.
+	# You will need to adjust QEMU_SOFTMMU_TARGETS to match the cpu/platform.
+	grub_do emake check
+}
+
+src_install() {
+	grub_do emake install DESTDIR="${D}" bashcompletiondir="$(get_bashcompdir)"
+	use doc && grub_do_once emake -C docs install-html DESTDIR="${D}"
+
+	einstalldocs
+
+	insinto /etc/default
+	newins "${FILESDIR}"/grub.default-3 grub
+
+	# https://bugs.gentoo.org/231935
+	dostrip -x /usr/lib/grub
+}
+
+pkg_postinst() {
+	elog "For information on how to configure GRUB2 please refer to the guide:"
+	elog "    https://wiki.gentoo.org/wiki/GRUB2_Quick_Start"
+
+	if [[ -n ${REPLACING_VERSIONS} ]]; then
+		local v
+		for v in ${REPLACING_VERSIONS}; do
+			if ver_test -gt ${v}; then
+				ewarn
+				ewarn "Re-run grub-install to update installed boot code!"
+				ewarn
+				break
+			fi
+		done
+	else
+		elog
+		optfeature "detecting other operating systems (grub-mkconfig)" sys-boot/os-prober
+		optfeature "creating rescue media (grub-mkrescue)" dev-libs/libisoburn
+		optfeature "enabling RAID device detection" sys-fs/mdadm
+	fi
+
+	if has_version 'sys-boot/grub:0'; then
+		elog "A migration guide for GRUB Legacy users is available:"
+		elog "    https://wiki.gentoo.org/wiki/GRUB2_Migration"
+	fi
+
+	if has_version sys-boot/os-prober; then
+		ewarn "Due to security concerns, os-prober is disabled by default."
+		ewarn "Set GRUB_DISABLE_OS_PROBER=false in /etc/default/grub to enable it."
+	fi
+}