# Contributor: William Pitcock <nenolod@dereferenced.org>
# Contributor: Roger Pau Monne <roger.pau@entel.upc.edu>
# Maintainer: William Pitcock <nenolod@dereferenced.org>
pkgname=xen
pkgver=4.8.1
pkgrel=2
pkgdesc="Xen hypervisor"
url="http://www.xen.org/"
arch="x86_64 armhf"
license="GPL"
depends="bash iproute2 logrotate"
depends_dev="libressl-dev python2-dev e2fsprogs-dev gettext zlib-dev ncurses-dev
	dev86 texinfo perl pciutils-dev glib-dev yajl-dev libnl3-dev
	spice-dev gnutls-dev curl-dev libaio-dev lzo-dev xz-dev util-linux-dev
	e2fsprogs-dev linux-headers argp-standalone perl-dev"
makedepends="$depends_dev autoconf automake libtool "
options="!strip"

# secfixes:
#   4.7.0-r0:
#     - CVE-2016-6258 XSA-182
#     - CVE-2016-6259 XSA-183
#     - CVE-2016-5403 XSA-184
#   4.7.0-r1:
#     - CVE-2016-7092 XSA-185
#     - CVE-2016-7093 XSA-186
#     - CVE-2016-7094 XSA-187
#   4.7.0-r5:
#     - CVE-2016-7777 XSA-190
#   4.7.1-r1:
#     - CVE-2016-9386 XSA-191
#     - CVE-2016-9382 XSA-192
#     - CVE-2016-9385 XSA-193
#     - CVE-2016-9384 XSA-194
#     - CVE-2016-9383 XSA-195
#     - CVE-2016-9377 XSA-196
#     - CVE-2016-9378 XSA-196
#     - CVE-2016-9381 XSA-197
#     - CVE-2016-9379 XSA-198
#     - CVE-2016-9380 XSA-198
#   4.7.1-r3:
#     - CVE-2016-9932 XSA-200
#     -	CVE-2016-9815 XSA-201
#     -	CVE-2016-9816 XSA-201
#     -	CVE-2016-9817 XSA-201
#     -	CVE-2016-9818 XSA-201
#   4.7.1-r4:
#     - CVE-2016-10024 XSA-202
#     - CVE-2016-10025 XSA-203
#     - CVE-2016-10013 XSA-204
#   4.7.1-r5:
#     - XSA-207
#     - CVE-2017-2615 XSA-208
#     - CVE-2017-2620 XSA-209
#     - XSA-210
#   4.7.2-r0:
#     - CVE-2016-9603 XSA-211
#     - CVE-2017-7228 XSA-212
#   4.8.1-r2:
#     - CVE-2017-8903 XSA-213
#     - CVE-2017-8904 XSA-214

case "$CARCH" in
x86*)
	depends="$depends syslinux"
	makedepends="$makedepends iasl seabios-bin"
	;;
arm*)
	makedepends="$makedepends dtc-dev"
	;;
esac

install=""

#if [ "$CARCH" != "armhf" ]; then
#	subpackages="$pkgname-dbg"
#fi
subpackages="$subpackages $pkgname-doc $pkgname-dev $pkgname-libs $pkgname-hypervisor"

# grep _VERSION= stubdom/configure
_ZLIB_VERSION="1.2.3"
_LIBPCI_VERSION="2.2.9"
_NEWLIB_VERSION="1.16.0"
_LWIP_VERSION="1.3.0"
_GRUB_VERSION="0.97"
_OCAML_VERSION="3.11.0"
_GMP_VERSION="4.3.2"
_POLARSSL_VERSION="1.1.4"
_TPMEMU_VERSION="0.7.4"

# grep ^IPXE_GIT_TAG tools/firmware/etherboot/Makefile
_IPXE_GIT_TAG=827dd1bfee67daa683935ce65316f7e0f057fe1c

source="http://bits.xensource.com/oss-xen/release/$pkgver/$pkgname-$pkgver.tar.gz
	http://xenbits.xen.org/xen-extfiles/gmp-$_GMP_VERSION.tar.bz2
	http://xenbits.xen.org/xen-extfiles/grub-$_GRUB_VERSION.tar.gz
	http://xenbits.xen.org/xen-extfiles/lwip-$_LWIP_VERSION.tar.gz
	http://xenbits.xen.org/xen-extfiles/newlib-$_NEWLIB_VERSION.tar.gz
	http://xenbits.xen.org/xen-extfiles/pciutils-$_LIBPCI_VERSION.tar.bz2
	http://xenbits.xen.org/xen-extfiles/polarssl-$_POLARSSL_VERSION-gpl.tgz
	http://xenbits.xen.org/xen-extfiles/tpm_emulator-$_TPMEMU_VERSION.tar.gz
	http://xenbits.xen.org/xen-extfiles/zlib-$_ZLIB_VERSION.tar.gz
	http://xenbits.xen.org/xen-extfiles/ipxe-git-$_IPXE_GIT_TAG.tar.gz

	xsa213-4.8.patch
	xsa214.patch

	qemu-coroutine-gthread.patch
	qemu-xen_paths.patch

	hotplug-vif-vtrill.patch
	rombios-no-pie.patch

	musl-support.patch
	musl-hvmloader-fix-stdint.patch
	stdint_local.h
	elf_local.h

	xen-hotplug-lockfd.patch
	xen-fd-is-file.c

	xenstore_client_transaction_fix.patch

	xenqemu-configure-ifunc.patch

	xenstored.initd
	xenstored.confd
	xenconsoled.initd
	xenconsoled.confd
	xendomains.initd
	xendomains.confd
	xen-consoles.logrotate
	xenqemu.confd
	xenqemu.initd
	"

builddir="$srcdir"/$pkgname-$pkgver
_seabios=/usr/share/seabios/bios-256k.bin

# Override wrong arch detection from xen-$pkgver/Config.mk.
case "$CARCH" in
armhf) export XEN_TARGET_ARCH="arm32";;
esac

prepare() {
	local i _failed= _series=
	cd "$builddir"

	for i in $source; do
		case $i in
		*-etherboot-*)
			p=${i%%::*}
			p=${p##*/}
			msg "adding to ipxe: $p"
			cp "$srcdir"/$p tools/firmware/etherboot/patches/
			echo "$p" >> tools/firmware/etherboot/patches/series
			;;
		*.patch) msg $i; patch -s -N -p1 -i "$srcdir"/$i \
				|| _failed="$_failed $i"
			;;
		*/ipxe-git-*)
			ln -s "$srcdir"/${i##*/} \
				tools/firmware/etherboot/ipxe.tar.gz || return 1
			;;
		*/xen-extfiles/*)
			ln -s "$srcdir"/${i##*/} stubdom/ || return 1
			;;
		esac
	done
	if [ -n "$_failed" ]; then
		error "Patches failed:"
		for i in $_failed; do
			echo $i
		done
		return 1
	fi

	# install our stdint_local.h and elf_local.h
	install "$srcdir"/stdint_local.h "$srcdir"/elf_local.h \
		"$builddir"/tools/firmware/ || return 1
	ln -s ../firmware/stdint_local.h "$builddir"/tools/libxl/

	# remove all -Werror
	msg "Eradicating -Werror..."
	find . -name '*.mk' -o -name 'Make*' | xargs sed -i -e 's/-Werror//g' \
		|| return 1

	msg "Updating config.sub..."
	update_config_sub || return 1

	msg "Autoreconf..."
	autoreconf || return 1

	unset CFLAGS
	unset LDFLAGS
}

# Unset CFLAGS and LDFLAGS because the xen build system
# doesn't support them. Instead use .config in xen root
# folder if necessary.
munge_cflags() {
	msg "Munging CFLAGS..."

	unset CFLAGS
	unset LDFLAGS
	unset LANG
	unset LC_ALL

	case "$CARCH" in
	armhf)	export CFLAGS="-mcpu=cortex-a15";;
	esac
}

# These tasks are added as separate tasks to enable a packager
# to invoke specific tasks like building the hypervisor.  i.e.
#    $ abuild configure build_tools
configure() {
	cd "$builddir"

	msg "Running configure..."
	./configure --prefix=/usr \
		--build=$CBUILD \
		--host=$CHOST \
		--with-system-seabios=$_seabios \
		|| return 1
}

build_hypervisor() {
	munge_cflags

	msg "Building hypervisor..."
	make xen || return 1
}

build_tools() {
	munge_cflags

	msg "Building tools..."
	make tools || return 1
}

build_docs() {
	munge_cflags

	msg "Building documentation..."
	make docs || return 1
}

build_stubdom() {
	munge_cflags

	msg "Building stub domains..."
	make stubdom || return 1
}

build() {
	cd "$builddir"
	configure || return 1
	build_hypervisor || return 1
	build_tools || return 1
	build_docs || return 1
	case "$CARCH" in
	x86*) build_stubdom || return 1;;
	esac

	${CC:-gcc} -o xen-fd-is-file "$srcdir"/xen-fd-is-file.c
}

package() {
	cd "$builddir"

	unset CFLAGS
	unset LDFLAGS

	make -j1 DESTDIR="$pkgdir" install-xen install-tools install-docs \
		|| return 1
	case "$CARCH" in
	x86*) make -j1 DESTDIR="$pkgdir" install-stubdom || return 1;;
	esac

	# remove default xencommons
	rm -rf "$pkgdir"/etc/init.d/xencommons

	for i in $source; do
		case $i in
		*.initd) install -Dm755 "$srcdir"/$i \
				"$pkgdir"/etc/init.d/${i%.*};;
		*.confd) install -Dm644 "$srcdir"/$i \
				"$pkgdir"/etc/conf.d/${i%.*};;
		esac
	done
	install -Dm644 "$srcdir"/xen-consoles.logrotate \
		"$pkgdir"/etc/xen/xen-consoles.logrotate

	install -m755 xen-fd-is-file "$pkgdir"/usr/lib/xen/bin/xen-fd-is-file

	# we need to exclude /usr/share when stripping
        msg "Stripping binaries"
	scanelf --recursive --nobanner --etype "ET_DYN,ET_EXEC" "$pkgdir"/usr/lib \
		"$pkgdir"/usr/bin \
		"$pkgdir"/usr/sbin \
                | sed -e 's:^ET_DYN ::' -e 's:^ET_EXEC ::' \
                | xargs strip
}

libs() {
	pkgdesc="Libraries for Xen tools"
	replaces="xen"
	depends=
	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/*.so.* \
		"$pkgdir"/usr/lib/fs \
		"$subpkgdir"/usr/lib/
}

hypervisor() {
	pkgdesc="Xen hypervisor"
	depends=
	mkdir -p "$subpkgdir"
	mv "$pkgdir"/boot "$subpkgdir"/
}

sha512sums="9f535b4bb57d285dfb92c974d55513505cf485b2d7218fe8f6ed62768e2cee7f225b08adf6706590b2c0a04feca16e10915297c33b98e1b110f8ea7035f46c15  xen-4.8.1.tar.gz
2e0b0fd23e6f10742a5517981e5171c6e88b0a93c83da701b296f5c0861d72c19782daab589a7eac3f9032152a0fc7eff7f5362db8fccc4859564a9aa82329cf  gmp-4.3.2.tar.bz2
c2bc9ffc8583aeae71cee9ddcc4418969768d4e3764d47307da54f93981c0109fb07d84b061b3a3628bd00ba4d14a54742bc04848110eb3ae8ca25dbfbaabadb  grub-0.97.tar.gz
1465b58279af1647f909450e394fe002ca165f0ff4a0254bfa9fe0e64316f50facdde2729d79a4e632565b4500cf4d6c74192ac0dd3bc9fe09129bbd67ba089d  lwip-1.3.0.tar.gz
40eb96bbc6736a16b6399e0cdb73e853d0d90b685c967e77899183446664d64570277a633fdafdefc351b46ce210a99115769a1d9f47ac749d7e82837d4d1ac3  newlib-1.16.0.tar.gz
2b3d98d027e46d8c08037366dde6f0781ca03c610ef2b380984639e4ef39899ed8d8b8e4cd9c9dc54df101279b95879bd66bfd4d04ad07fef41e847ea7ae32b5  pciutils-2.2.9.tar.bz2
88da614e4d3f4409c4fd3bb3e44c7587ba051e3fed4e33d526069a67e8180212e1ea22da984656f50e290049f60ddca65383e5983c0f8884f648d71f698303ad  polarssl-1.1.4-gpl.tgz
4928b5b82f57645be9408362706ff2c4d9baa635b21b0d41b1c82930e8c60a759b1ea4fa74d7e6c7cae1b7692d006aa5cb72df0c3b88bf049779aa2b566f9d35  tpm_emulator-0.7.4.tar.gz
021b958fcd0d346c4ba761bcf0cc40f3522de6186cf5a0a6ea34a70504ce9622b1c2626fce40675bc8282cf5f5ade18473656abc38050f72f5d6480507a2106e  zlib-1.2.3.tar.gz
82ba65e1c676d32b29c71e6395c9506cab952c8f8b03f692e2b50133be8f0c0146d0f22c223262d81a4df579986fde5abc6507869f4965be4846297ef7b4b890  ipxe-git-827dd1bfee67daa683935ce65316f7e0f057fe1c.tar.gz
a3d0884cb2514c2b59a2715464600618cc41de0c59e0949e37d9544b1790dc43a6580b0d2bb2c7fcc15a518d9899660728b1d7ed961b74b37cabd99f7751c4f2  xsa213-4.8.patch
ea12702e97b9417ea6c4120dbc7cf9c5e2b89f82b41cfd389069d3238891749474a5d3925d2dc571a7cc2aaf5e88af03ccc9af60046eaa39425b5af05f62fba0  xsa214.patch
c3c46f232f0bd9f767b232af7e8ce910a6166b126bd5427bb8dc325aeb2c634b956de3fc225cab5af72649070c8205cc8e1cab7689fc266c204f525086f1a562  qemu-coroutine-gthread.patch
1936ab39a1867957fa640eb81c4070214ca4856a2743ba7e49c0cd017917071a9680d015f002c57fa7b9600dbadd29dcea5887f50e6c133305df2669a7a933f3  qemu-xen_paths.patch
f095ea373f36381491ad36f0662fb4f53665031973721256b23166e596318581da7cbb0146d0beb2446729adfdb321e01468e377793f6563a67d68b8b0f7ffe3  hotplug-vif-vtrill.patch
5514d7697c87f7d54d64723d44446b9bd84f6c984e763bd21d4eeaf502bf0c5b765f7b2180f8ca496b3baf97e7efd600b1cc1fdd1284b6ecbffe9846190ca069  rombios-no-pie.patch
15d8bfd94ef81b90bfa7480d482d7ff6a5a9dfe6769b3dd3e1d656a95523521e89b9e99f40f3edb457170df8bb5f921d1f720d566a70895882f8197ae0f3708d  musl-support.patch
77b08e9655e091b0352e4630d520b54c6ca6d659d1d38fbb4b3bfc9ff3e66db433a2e194ead32bb10ff962c382d800a670e82b7a62835b238e294b22808290ea  musl-hvmloader-fix-stdint.patch
8c3b57eab8641bcee3dbdc1937ea7874f77b9722a5a0aa3ddb8dff8cc0ced7e19703ef5d998621b3809bea7c16f3346cfa47610ec9ab014ad0de12651c94e5ff  stdint_local.h
853467a2d055c5bfbdc7bdca175a334241be44a7c5ac3c0a84a4bc5463b5c070b66d37e2a557429ef860727a6b7350683af758cc2494d85b6be4d883143a2c0d  elf_local.h
79cb1b6b81b17cb87a064dfe3548949dfb80f64f203cac11ef327102b7a25794549ce2d9c019ebf05f752214da8e05065e9219d069e679c0ae5bee3d090c685e  xen-hotplug-lockfd.patch
e76816c6ad0e91dc5f81947f266da3429b20e6d976c3e8c41202c6179532eec878a3f0913921ef3ac853c5dbad8082da3c9cd53b65081910516feb492577b7fc  xen-fd-is-file.c
69dfa60628ca838678862383528654ecbdf4269cbb5c9cfb6b84d976202a8dea85d711aa65a52fa1b477fb0b30604ca70cf1337192d6fb9388a08bbe7fe56077  xenstore_client_transaction_fix.patch
e0dd7069968d51574d6e5603d5738494b112bfda085bc75f10102658be3b2901d8d253c52927c707668e1cdb62d12c101213e42cd72d9b307fa83d1355a7526a  xenqemu-configure-ifunc.patch
52c43beb2596d645934d0f909f2d21f7587b6898ed5e5e7046799a8ed6d58f7a09c5809e1634fa26152f3fd4f3e7cfa07da7076f01b4a20cc8f5df8b9cb77e50  xenstored.initd
093f7fbd43faf0a16a226486a0776bade5dc1681d281c5946a3191c32d74f9699c6bf5d0ab8de9d1195a2461165d1660788e92a3156c9b3c7054d7b2d52d7ff0  xenstored.confd
3c86ed48fbee0af4051c65c4a3893f131fa66e47bf083caf20c9b6aa4b63fdead8832f84a58d0e27964bc49ec8397251b34e5be5c212c139f556916dc8da9523  xenconsoled.initd
30df69cc38d0bed26bc4d6e08a2b62cbdc654d5f663009a05cb3b83b3e3dc5e206362d3fd59abbb753ceb8d6d79eaa6e15d079bb8f4f35dc74667103faf4e85d  xenconsoled.confd
b1037fdf2fe477e153f7e9408e34943a8e8ca4e5518e6b0513137f95f3abbcbb20acb1de37c875825a1d4a30b2506290ec76b8c9fb183db6b4b0e1cffe329ca5  xendomains.initd
a3dddcb841a22305cfe1780c4ef6cf1ee67227ca9fe6ca0d24a7cc8be2cff9e5f3fbd75c2faf85e5ce6dc3b73631879ce10e19b02afb4611c72db183e116123a  xendomains.confd
ab2105c75cfe01768aecd5bcbb56269d63666e8a44e42b6a83aee87df6c84ee2f9ab249171c21b2e09f8fec2cae8318f6e87d160989398a3e7dd68db8d52c426  xen-consoles.logrotate
bdbe15c924071cdc2d0f23e53ba8e3f837d4b5369bfb218abd3405f9bef25d105269aaf0784baeb69c073a5786b8c82ffdfd414e86874da34293cfdc2c497928  xenqemu.confd
8475119369409efb8ad930c7735cd3d782191d18fab4fc322a51120c395162ff88e381182876036d1078afd30079dbf3f94a3568689e9b52ba235adead4b97d3  xenqemu.initd"