app-emulation/xen: add upstream security patches

Bug: https://bugs.gentoo.org/832039
Signed-off-by: Tomáš Mózes <hydrapolic@gmail.com>
Signed-off-by: Sam James <sam@gentoo.org>

3 files changed, 329 insertions, 0 deletions

diff --git a/app-emulation/xen/Manifest b/app-emulation/xen/Manifest
index 053d948c210b..537d39f5d7fb 100644
--- a/app-emulation/xen/Manifest
+++ b/app-emulation/xen/Manifest
@@ -1,5 +1,7 @@
 DIST xen-4.14.3-upstream-patches-2.tar.xz 28336 BLAKE2B 45666fd4aa81c5b8d3c13f5fa949f30a3c168c3ece0109f66092a93d1c2c204dda21afdb46357ca836f763cddaa66a9dbe895939294db36ed28a348e0d92d072 SHA512 c80c4e1cf6c5b870d3471b7430478f1180704d55b5327ef0748e2dc5c3bc03eee05003888160a802b439a6a11aa6bd047122f340ea0cdc1b6bfd71371090e827
 DIST xen-4.14.3.tar.gz 39982036 BLAKE2B 927fd2937f451567238702430cea3a6e5d2db70d5eef10f029bb1d6d030681573c851eb8076c8bad89c97c115f81a19ac8e46e78ca3f0e642565f7300c264ca1 SHA512 b462fcc1549f6e57f7f2a4fd10ce1e957a25a6a7c0319672b62699468f6c4330b9cd0cf2b0231b5cce94f4bb142a957eb8aa58aa0ffb5c85b37211d6b34ccf16
 DIST xen-4.15.1-upstream-patches-2.tar.xz 30180 BLAKE2B 675c13cfb4a6f47121dfe125ddea21d98e7e37563f63b91cde96cd92d94eff648eaa65426fec09833ad668102959948b2e684860631db2b5a2a53b2521a01069 SHA512 f0a6c0829068828ac400d67230d3066b2370a90303e537dd5e0761920ac0d584139b59244a72d9dcd2e4cb1a151ab80d3197ba908e642e13817b89b9a33c73fb
+DIST xen-4.15.1-upstream-patches-3.tar.xz 49644 BLAKE2B 261d45d726ba9b06a817fd4f4e9d2a83e516cd637f73dff50ccb9b046d562e14bee47fc64795c0406947fb06988679047a19e5851482fbf85701bcc495225258 SHA512 8d8b7e42f9a401f6d3a7cb87b980714aa14dadbeadb3a26f495b6a1892d1a04de244490255b589952f565d0a0b8c69fd527c0168d40e974e0f77cecda25e7cb3
 DIST xen-4.15.1.tar.gz 40800852 BLAKE2B 39475ea33f029fb0e84b82b4a2b13fd613bab01e3ef6c241dfede3d190ee9be53c99b62121d37d83b1e078764b3e4d88d1dfb99be1b5623691e56519850c6798 SHA512 8d3cbdf708f46477e32ee7cbd16a490c82efa855cecd84ee712b8680df4d69c987ba9ab00ff3851f627b98a8ebbc5dab71f92f142ed958ee2bc538bc792cd4b9
+DIST xen-4.16.0-upstream-patches-0.tar.xz 25168 BLAKE2B f572cca630e0461fba86eeec27043d949a7c0500ab47138572829394ae4354d5955af4a64b669abb932346bba1902511e35ede905b38fa1b2bd3b624c35470cf SHA512 d49d80bf687ba1046e82e7ad0196cb3fcdf595df0757d4f6e390bd0c6ba156ec012ea61cc606fbf3ceb03a9cd21f8acc6c45092a11b5a9a916bae80ff2d6c181
 DIST xen-4.16.0.tar.gz 44982322 BLAKE2B 7e16a93b3f1131e2b10307fabc10641a9c5983173155b9a35eaf6ff317b6a747bccf6b8c87c06686830acc2c4bd3e19e5867eb443eabac9a1e4ee59124dfa87f SHA512 2869ed90d1779c9754d7f2397f5fc67a655304d9c32953ac20655ef96cb154521d8fce9f23915ac0c91f984dc54f72c67e5e619e2da318b5997748f44cf21b87
diff --git a/app-emulation/xen/xen-4.15.1-r3.ebuild b/app-emulation/xen/xen-4.15.1-r3.ebuild
new file mode 100644
index 000000000000..058f525d4e07
--- /dev/null
+++ b/app-emulation/xen/xen-4.15.1-r3.ebuild
@@ -0,0 +1,163 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{8..9} )
+
+inherit flag-o-matic mount-boot python-any-r1 toolchain-funcs
+
+MY_PV=${PV/_/-}
+MY_P=${PN}-${MY_PV}
+
+if [[ ${PV} == *9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="git://xenbits.xen.org/xen.git"
+	SRC_URI=""
+else
+	KEYWORDS="~amd64 ~arm -x86"
+	UPSTREAM_VER=3
+	SECURITY_VER=
+	GENTOO_VER=
+
+	[[ -n ${UPSTREAM_VER} ]] && \
+		UPSTREAM_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${P}-upstream-patches-${UPSTREAM_VER}.tar.xz
+		https://github.com/hydrapolic/gentoo-dist/raw/master/xen/${P}-upstream-patches-${UPSTREAM_VER}.tar.xz"
+	[[ -n ${SECURITY_VER} ]] && \
+		SECURITY_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN}-security-patches-${SECURITY_VER}.tar.xz"
+	[[ -n ${GENTOO_VER} ]] && \
+		GENTOO_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN}-gentoo-patches-${GENTOO_VER}.tar.xz"
+	SRC_URI="https://downloads.xenproject.org/release/xen/${MY_PV}/${MY_P}.tar.gz
+		${UPSTREAM_PATCHSET_URI}
+		${SECURITY_PATCHSET_URI}
+		${GENTOO_PATCHSET_URI}"
+fi
+
+DESCRIPTION="The Xen virtual machine monitor"
+HOMEPAGE="https://www.xenproject.org"
+LICENSE="GPL-2"
+SLOT="0"
+IUSE="debug efi flask"
+
+DEPEND="${PYTHON_DEPS}
+	efi? ( >=sys-devel/binutils-2.22[multitarget] )
+	!efi? ( >=sys-devel/binutils-2.22 )
+	flask? ( sys-apps/checkpolicy )"
+RDEPEND=""
+PDEPEND="~app-emulation/xen-tools-${PV}"
+
+# no tests are available for the hypervisor
+# prevent the silliness of /usr/lib/debug/usr/lib/debug files
+# prevent stripping of the debug info from the /usr/lib/debug/xen-syms
+RESTRICT="test splitdebug strip"
+
+# Approved by QA team in bug #144032
+QA_WX_LOAD="boot/xen-syms-${PV}"
+
+REQUIRED_USE="arm? ( debug )"
+
+S="${WORKDIR}/${MY_P}"
+
+pkg_setup() {
+	python-any-r1_pkg_setup
+	if [[ -z ${XEN_TARGET_ARCH} ]]; then
+		if use amd64; then
+			export XEN_TARGET_ARCH="x86_64"
+		elif use arm; then
+			export XEN_TARGET_ARCH="arm32"
+		elif use arm64; then
+			export XEN_TARGET_ARCH="arm64"
+		else
+			die "Unsupported architecture!"
+		fi
+	fi
+}
+
+src_prepare() {
+	# Upstream's patchset
+	[[ -n ${UPSTREAM_VER} ]] && eapply "${WORKDIR}"/patches-upstream
+
+	# Security patchset
+	if [[ -n ${SECURITY_VER} ]]; then
+	einfo "Try to apply Xen Security patch set"
+		# apply main xen patches
+		# Two parallel systems, both work side by side
+		# Over time they may concdense into one. This will suffice for now
+		source "${WORKDIR}"/patches-security/${PV}.conf
+
+		local i
+		for i in ${XEN_SECURITY_MAIN}; do
+			eapply "${WORKDIR}"/patches-security/xen/$i
+		done
+	fi
+
+	# Gentoo's patchset
+	[[ -n ${GENTOO_VER} ]] && eapply "${WORKDIR}"/patches-gentoo
+
+	# Symlinks do not work on fat32 volumes
+	eapply "${FILESDIR}"/${PN}-4.15-efi.patch
+
+	# Enable XSM-FLASK
+	use flask && eapply "${FILESDIR}"/${PN}-4.15-flask.patch
+
+	# Workaround new gcc-11 options
+	sed -e '/^CFLAGS/s/-Werror//g' -i xen/Makefile || die
+
+	# Drop .config
+	sed -e '/-include $(XEN_ROOT)\/.config/d' -i Config.mk || die "Couldn't	drop"
+
+	if use efi; then
+		export EFI_VENDOR="gentoo"
+		export EFI_MOUNTPOINT="/boot"
+	fi
+
+	default
+}
+
+src_configure() {
+	use arm && myopt="${myopt} CONFIG_EARLY_PRINTK=sun7i"
+	use debug && myopt="${myopt} debug=y"
+
+	# remove flags
+	unset CFLAGS
+	unset LDFLAGS
+	unset ASFLAGS
+
+	tc-ld-disable-gold # Bug 700374
+}
+
+src_compile() {
+	# Send raw LDFLAGS so that --as-needed works
+	emake V=1 CC="$(tc-getCC)" LDFLAGS="$(raw-ldflags)" LD="$(tc-getLD)" -C xen ${myopt}
+}
+
+src_install() {
+	local myopt
+	use debug && myopt="${myopt} debug=y"
+
+	# The 'make install' doesn't 'mkdir -p' the subdirs
+	if use efi; then
+		mkdir -p "${D}"${EFI_MOUNTPOINT}/efi/${EFI_VENDOR} || die
+	fi
+
+	emake LDFLAGS="$(raw-ldflags)" LD="$(tc-getLD)" DESTDIR="${D}" -C xen ${myopt} install
+
+	# make install likes to throw in some extra EFI bits if it built
+	use efi || rm -rf "${D}/usr/$(get_libdir)/efi"
+}
+
+pkg_postinst() {
+	elog "Official Xen Guide:"
+	elog " https://wiki.gentoo.org/wiki/Xen"
+
+	use efi && einfo "The efi executable is installed in /boot/efi/gentoo"
+
+	ewarn
+	ewarn "Xen 4.12+ changed the default scheduler to credit2 which can cause"
+	ewarn "domU lockups on multi-cpu systems. The legacy credit scheduler seems"
+	ewarn "to work fine."
+	ewarn
+	ewarn "Add sched=credit to xen command line options to use the legacy scheduler."
+	ewarn
+	ewarn "https://wiki.gentoo.org/wiki/Xen#Xen_domU_hanging_with_Xen_4.12.2B"
+}
diff --git a/app-emulation/xen/xen-4.16.0-r2.ebuild b/app-emulation/xen/xen-4.16.0-r2.ebuild
new file mode 100644
index 000000000000..d42ab1882530
--- /dev/null
+++ b/app-emulation/xen/xen-4.16.0-r2.ebuild
@@ -0,0 +1,164 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..10} )
+
+inherit flag-o-matic mount-boot python-any-r1 toolchain-funcs
+
+MY_PV=${PV/_/-}
+MY_P=${PN}-${MY_PV}
+
+if [[ ${PV} == *9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="git://xenbits.xen.org/xen.git"
+	SRC_URI=""
+else
+	KEYWORDS="~amd64 ~arm -x86"
+	UPSTREAM_VER=0
+	SECURITY_VER=
+	GENTOO_VER=
+
+	[[ -n ${UPSTREAM_VER} ]] && \
+		UPSTREAM_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${P}-upstream-patches-${UPSTREAM_VER}.tar.xz
+		https://github.com/hydrapolic/gentoo-dist/raw/master/xen/${P}-upstream-patches-${UPSTREAM_VER}.tar.xz"
+	[[ -n ${SECURITY_VER} ]] && \
+		SECURITY_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN}-security-patches-${SECURITY_VER}.tar.xz"
+	[[ -n ${GENTOO_VER} ]] && \
+		GENTOO_PATCHSET_URI="https://dev.gentoo.org/~dlan/distfiles/${PN}-gentoo-patches-${GENTOO_VER}.tar.xz"
+	SRC_URI="https://downloads.xenproject.org/release/xen/${MY_PV}/${MY_P}.tar.gz
+		${UPSTREAM_PATCHSET_URI}
+		${SECURITY_PATCHSET_URI}
+		${GENTOO_PATCHSET_URI}"
+fi
+
+DESCRIPTION="The Xen virtual machine monitor"
+HOMEPAGE="https://www.xenproject.org"
+LICENSE="GPL-2"
+SLOT="0"
+IUSE="+boot-symlinks debug efi flask"
+REQUIRED_USE="arm? ( debug )"
+
+DEPEND="${PYTHON_DEPS}
+	efi? ( >=sys-devel/binutils-2.22[multitarget] )
+	!efi? ( >=sys-devel/binutils-2.22 )
+	flask? ( sys-apps/checkpolicy )"
+RDEPEND=""
+PDEPEND="~app-emulation/xen-tools-${PV}"
+
+# no tests are available for the hypervisor
+# prevent the silliness of /usr/lib/debug/usr/lib/debug files
+# prevent stripping of the debug info from the /usr/lib/debug/xen-syms
+RESTRICT="test splitdebug strip"
+
+# Approved by QA team in bug #144032
+QA_WX_LOAD="boot/xen-syms-${PV}"
+
+S="${WORKDIR}/${MY_P}"
+
+pkg_setup() {
+	python-any-r1_pkg_setup
+	if [[ -z ${XEN_TARGET_ARCH} ]]; then
+		if use amd64; then
+			export XEN_TARGET_ARCH="x86_64"
+		elif use arm; then
+			export XEN_TARGET_ARCH="arm32"
+		elif use arm64; then
+			export XEN_TARGET_ARCH="arm64"
+		else
+			die "Unsupported architecture!"
+		fi
+	fi
+}
+
+src_prepare() {
+	# Upstream's patchset
+	[[ -n ${UPSTREAM_VER} ]] && eapply "${WORKDIR}"/patches-upstream
+
+	# Security patchset
+	if [[ -n ${SECURITY_VER} ]]; then
+	einfo "Try to apply Xen Security patch set"
+		# apply main xen patches
+		# Two parallel systems, both work side by side
+		# Over time they may concdense into one. This will suffice for now
+		source "${WORKDIR}"/patches-security/${PV}.conf
+
+		local i
+		for i in ${XEN_SECURITY_MAIN}; do
+			eapply "${WORKDIR}"/patches-security/xen/$i
+		done
+	fi
+
+	# Gentoo's patchset
+	[[ -n ${GENTOO_VER} ]] && eapply "${WORKDIR}"/patches-gentoo
+
+	# Symlinks do not work on fat32 volumes # 829765
+	if ! use boot-symlinks || use efi; then
+		eapply "${FILESDIR}"/${PN}-4.16-no-symlink.patch
+	fi
+
+	# Enable XSM-FLASK
+	use flask && eapply "${FILESDIR}"/${PN}-4.15-flask.patch
+
+	# Workaround new gcc-11 options
+	sed -e '/^CFLAGS/s/-Werror//g' -i xen/Makefile || die
+
+	# Drop .config
+	sed -e '/-include $(XEN_ROOT)\/.config/d' -i Config.mk || die "Couldn't	drop"
+
+	if use efi; then
+		export EFI_VENDOR="gentoo"
+		export EFI_MOUNTPOINT="/boot"
+	fi
+
+	default
+}
+
+src_configure() {
+	use arm && myopt="${myopt} CONFIG_EARLY_PRINTK=sun7i"
+	use debug && myopt="${myopt} debug=y"
+
+	# remove flags
+	unset CFLAGS
+	unset LDFLAGS
+	unset ASFLAGS
+
+	tc-ld-disable-gold # Bug 700374
+}
+
+src_compile() {
+	# Send raw LDFLAGS so that --as-needed works
+	emake V=1 CC="$(tc-getCC)" LDFLAGS="$(raw-ldflags)" LD="$(tc-getLD)" -C xen ${myopt}
+}
+
+src_install() {
+	local myopt
+	use debug && myopt="${myopt} debug=y"
+
+	# The 'make install' doesn't 'mkdir -p' the subdirs
+	if use efi; then
+		mkdir -p "${D}"${EFI_MOUNTPOINT}/efi/${EFI_VENDOR} || die
+	fi
+
+	emake LDFLAGS="$(raw-ldflags)" LD="$(tc-getLD)" DESTDIR="${D}" -C xen ${myopt} install
+
+	# make install likes to throw in some extra EFI bits if it built
+	use efi || rm -rf "${D}/usr/$(get_libdir)/efi"
+}
+
+pkg_postinst() {
+	elog "Official Xen Guide:"
+	elog " https://wiki.gentoo.org/wiki/Xen"
+
+	use efi && einfo "The efi executable is installed in /boot/efi/gentoo"
+
+	ewarn
+	ewarn "Xen 4.12+ changed the default scheduler to credit2 which can cause"
+	ewarn "domU lockups on multi-cpu systems. The legacy credit scheduler seems"
+	ewarn "to work fine."
+	ewarn
+	ewarn "Add sched=credit to xen command line options to use the legacy scheduler."
+	ewarn
+	ewarn "https://wiki.gentoo.org/wiki/Xen#Xen_domU_hanging_with_Xen_4.12.2B"
+}