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# Contributor: Ɓukasz Jendrysik <scadu@yandex.com>
# Contributor: Oliver Smith <ollieparanoid@bitmessage.ch>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=busybox
pkgver=1.27.2
pkgrel=4
pkgdesc="Size optimized toolbox of many common UNIX utilities"
url=http://busybox.net
arch="all"
license="GPL2"
makedepends_build=""
makedepends_host="linux-headers"
makedepends="$makedepends_build $makedepends_host"
checkdepends="zip"
provides="/bin/sh"
install="$pkgname.post-install $pkgname.post-upgrade
	$pkgname-extras.post-install $pkgname-extras.pre-deinstall"
subpackages="$pkgname-static $pkgname-suid $pkgname-extras"
options="suid !check"
triggers="busybox.trigger=/bin:/usr/bin:/sbin:/usr/sbin:/lib/modules/*"
source="http://busybox.net/downloads/$pkgname-$pkgver.tar.bz2
	0001-ash-add-support-for-command_not_found_handle-hook-fu.patch

	0001-ash-exec-busybox.static.patch
	0002-app-location-for-cpio-vi-and-lspci.patch
	0003-udhcpc-set-default-discover-retries-to-5.patch
	0004-ping-make-ping-work-without-root-privileges.patch
	0005-fbsplash-support-console-switching.patch
	0006-fbsplash-support-image-and-bar-alignment-and-positio.patch
	0007-depmod-support-generating-kmod-binary-index-files.patch
	0008-diff-add-support-for-no-dereference.patch
	0009-sysklogd-add-Z-option-to-adjust-message-timezones.patch
	0010-udhcpc-Don-t-background-if-n-is-given.patch
	0011-testsuite-fix-cpio-tests.patch
	0012-microcom-segfault.patch

	0013-CVE-2017-16544.patch
	0014-CVE-2017-15873.patch
	0015-CVE-2017-15874.patch

	top-buffer-overflow.patch

	acpid.logrotate
	busyboxconfig
	busyboxconfig-extras
	bbsuid.c
	dad.if-up
	nologin.c
	"

# secfixes:
#   1.27.2-r4:
#   - CVE-2017-16544
#   - CVE-2017-15873
#   - CVE-2017-15874

builddir="$srcdir"/$pkgname-$pkgver

_staticdir="$srcdir"/build-static
_dyndir="$srcdir"/build-dynamic
_dyndir_extras="$srcdir"/build-dynamic-extras
_config="$srcdir"/busyboxconfig
_config_extras="$srcdir"/busyboxconfig-extras

prepare() {
	default_prepare

	cd "$builddir"
	mkdir -p "$_staticdir" "$_dyndir" "$_dyndir_extras"
	cp "$srcdir"/nologin.c loginutils/
}

build() {
	# build bbsuid
	msg "Building bbsuid"
	${CC:-${CROSS_COMPILE}gcc} ${CPPFLAGS} ${CFLAGS} \
		${LDFLAGS} "$srcdir"/bbsuid.c -o "$_dyndir"/bbsuid

	# build dynamic
	cd "$_dyndir"
	msg "Building dynamic busybox"
	cp "$_config" .config
	[ "$CLIBC" = musl ] && sed -i \
		-e "s/CONFIG_EXTRA_COMPAT=y/CONFIG_EXTRA_COMPAT=n/" \
		.config
	make -C "$builddir" O="$PWD" silentoldconfig
	make

	# build dynamic (extras)
	cd "$_dyndir_extras"
	msg "Building dynamic busybox-extras"
	cp "$_config_extras" .config
	[ "$CLIBC" = musl ] && sed -i \
		-e "s/CONFIG_EXTRA_COMPAT=y/CONFIG_EXTRA_COMPAT=n/" \
		.config
	make -C "$builddir" O="$PWD" silentoldconfig
	make

	# build static
	cd "$_staticdir"
	msg "Building static busybox"
	sed -e "s/.*CONFIG_PIE.*/\# CONFIG_PIE is not set/" \
		-e "s/.*CONFIG_STATIC.*/CONFIG_STATIC=y/" \
		"$_config" > .config
	# musl does not support GNU regex
	[ "$CLIBC" = musl ] && sed -i \
		-e "s/CONFIG_EXTRA_COMPAT=y/CONFIG_EXTRA_COMPAT=n/" \
		.config
	make -C "$builddir" O="$PWD" silentoldconfig
	make
	mv busybox busybox.static
}

check() {
	cd "$_dyndir"
	SKIP_KNOWN_BUGS=1 make -C "$builddir" O="$PWD" V=1 check

	cd "$_dyndir_extras"
	SKIP_KNOWN_BUGS=1 make -C "$builddir" O="$PWD" V=1 check
}

package() {
	cd "$_dyndir"
	mkdir -p "$pkgdir"/usr/sbin "$pkgdir"/usr/bin "$pkgdir"/tmp \
		"$pkgdir"/var/cache/misc "$pkgdir"/bin "$pkgdir"/sbin
	chmod 1777 "$pkgdir"/tmp
	install -m755 busybox "$pkgdir"/bin/busybox || return 1
	# we need /bin/sh to be able to execute post-install
	ln -s /bin/busybox "$pkgdir"/bin/sh

	#ifupdown needs those dirs to be present
	mkdir -p \
		"$pkgdir"/etc/network/if-down.d \
		"$pkgdir"/etc/network/if-post-down.d \
		"$pkgdir"/etc/network/if-post-up.d \
		"$pkgdir"/etc/network/if-pre-down.d \
		"$pkgdir"/etc/network/if-pre-up.d \
		"$pkgdir"/etc/network/if-up.d
	install -m775 "$srcdir"/dad.if-up "$pkgdir"/etc/network/if-up.d/dad

	install -Dm644 "$srcdir"/acpid.logrotate \
		"$pkgdir/etc/logrotate.d/acpid"

	mkdir -p "$pkgdir"/var/lib/udhcpd
	install -Dm644 "$builddir"/examples/udhcp/udhcpd.conf \
		"$pkgdir"/etc/udhcpd.conf
	cat >"$pkgdir"/etc/securetty <<EOF
console
tty1
tty2
tty3
tty4
tty5
tty6
tty7
tty8
tty9
tty10
tty11
EOF
}

extras() {
	pkgdesc="Additional binaries of Busybox"
	depends="${pkgname}"
	install -Dm755 "$_dyndir_extras"/busybox "$subpkgdir"/bin/busybox-extras
}

suid() {
	pkgdesc="suid binaries of Busybox"
	depends="${pkgname}"

	cd "$_dyndir"
	mkdir -p "$subpkgdir"/bin
	install -m4111 bbsuid "$subpkgdir"/bin/bbsuid
}

static() {
	pkgdesc="Statically linked Busybox"
	mkdir -p "$subpkgdir"/bin
	install -m755 "$_staticdir"/busybox.static \
		"$subpkgdir"/bin/busybox.static
}

sha512sums="d99e86b652562ebe1a5d50e1ba3877a1d1612997c17cb8d8e4212da181211a9b741a881cb051f14cb3ee8aea40226cf2cde80a076baed265d3bc0a4e96a5031c  busybox-1.27.2.tar.bz2
dc08288c8e9e29d36be7174d58f3bee2d0508465977fb40d39807aa0b03149f7814f8cfed113d0a7589ef49890beb1805ef00f0d37b563447fe875e3cff08d1c  0001-ash-add-support-for-command_not_found_handle-hook-fu.patch
1930775839354a63c30970f0d52d00cfd3a8f6b9f48d6de45ea7d2478d080bde7193c1c2cce026dc7337d9ecf0b65f5ff1dd4351c1eb195e6f0c0c5126f10511  0001-ash-exec-busybox.static.patch
a756aa89c4602cd091df0052e2e3d7b45a359fbfe953b70aa3029e3eeb8e5d1772cbf1525bb62df6ce6547f1e5605617195ddae336e1ffe41f5c58d524af6ba6  0002-app-location-for-cpio-vi-and-lspci.patch
fc17ce9b12726e3449518692bf0d4906c36f091534706b5b91c910866bd8cd50d8f7d4b449d54eeed24ee656012a6ef04612bf092874e4b83b0723f852fdce0e  0003-udhcpc-set-default-discover-retries-to-5.patch
dc0b660b60ef3028a4cc86f712e7f6d08ad7c00d27056f9978a2a103434f45edc7385d2c48eca5ee83efab8fc81735674bf1c40e78fb07a1b5d07ca9da37811a  0004-ping-make-ping-work-without-root-privileges.patch
63838512679586eb6d83e7b7d3b1e318bb693b91dfb9675a48480e6623e03472b1aa7f86fb7e2ab9e8d6db7a9609b2bcf1c3c1de64fc7d73b65b4794cab87cbf  0005-fbsplash-support-console-switching.patch
1afe261da507ca13869923033a4adbb3c22e512136cc4b771a2d14d0c25d8de6514cec1dd0363b0684410f0e6a274c3250c1ca8a8a839111f3ed16f800b1d403  0006-fbsplash-support-image-and-bar-alignment-and-positio.patch
16804d38000bf4395ed2657c19ddf0a1414214db8d2e43541034d5a6db29f74c53c6d8fd28c4c865c7e87fa4a9b914d414e5a00430a261aeaa69ec86bf865780  0007-depmod-support-generating-kmod-binary-index-files.patch
baac796f8aa96fbeab19f96eea7787ace5737b182f49e02f1b1e911d0a927ae14f3c334daad4241858617dc79607541b9ce66b367d0379b2cb32f67a1e9efc5b  0008-diff-add-support-for-no-dereference.patch
d1c375184f806f7550bac5c82ab5471bdb8085d845172c973724b22af05ab3759b3ce982e088b4c45815ade56b9adfb7a677d0c180e077545ac7ec003c8aa7c4  0009-sysklogd-add-Z-option-to-adjust-message-timezones.patch
9b5143d0be615b1604d82007628d59a62721f1e61a63cca7a4ffa5e60fa8da102bfc21fa20cc35c2f5a0a24bc8013598f8eff5888f9d0f3bcfa796343b5f5a91  0010-udhcpc-Don-t-background-if-n-is-given.patch
f4e00eb13fda752df13f300a7ed9b1320ca9f573c4309247f292c8710464d7be8740148f42e4aff16312335eadabce5a629dce4af58334b9199faf2fd658e4f9  0011-testsuite-fix-cpio-tests.patch
a09a64b3bce8048c58a68dcd2dd9e63c911009c06195d6bb4e5aecfb5700e479c25b34635c60899127975fae32275ad51846ee75f840d612e00668ce9aba8322  0012-microcom-segfault.patch
74620e589e863f63ad3fed1e37405e385648789d59e8914074f94b2d279728ad54cd497073ff7afe2aac1bca81150fa1b396034206358599281f15fb2dd079d5  0013-CVE-2017-16544.patch
8a9f314c7d08d349957549c59d306d1b608f147e27719a290d421cce288c11adb8593034a6d722688ae3c5dc60a5180f7aa948213987cd5b188340558607cbcb  0014-CVE-2017-15873.patch
93b3188fe3397899a625c203bcc03ddedadb96cceeb38ecad3ad3395d75fdfa7e1ba7cfc34eb8ebc7c70165ae967da474735247bf114398bea00440e90b1bef7  0015-CVE-2017-15874.patch
524e858b52cb31fb8d24e8c7f18606fff349aeab6a14da9cca3902641f6127980daed73c53586c6e8b41eecda06cdb29c40ff1dde2dc82a318c2649680458921  top-buffer-overflow.patch
a9b1403c844c51934637215307dd9e2adb9458921047acff0d86dcf229b6e0027f4b2c6cdaa25a58407aad9d098fb5685d58eb5ff8d2aa3de4912cdea21fe54c  acpid.logrotate
02102f0764ffbec86e97ccab99b3a1e55ffa5b25aa2cdc1fe270d5b575610bdb50568574c7cbd05aba91b13151f84f536b44320c180051cbd77cf258e4fc89a4  busyboxconfig
7759d1611ce72f7aa9e4afbd48f410806b3bd59701fe8a570675898c504c0e15f85bacbc1578f87345197844ee6175117d348acc4fe29a742b7ac96b84fe7386  busyboxconfig-extras
e84087a453f8c9814951c9ad496cce19f8280b80a8ab6a1c8e21385f1facb17e987adc8d1d72c7cb463c04eb0cadd2bd6fb9b6f6c0067ddd21eeacf91ca42f32  bbsuid.c
a1127c8a384294135e11500fde7ead33b73d24b11c21911b08447a4c4ef71d7a9965d6466f60f2da64e3b877213b0a3e924a5add3c5333ee3ecde8c2a91c5e02  dad.if-up
4e7c291a70e879b74c0fc07c54a73ef50537d8be68fee6b2d409425c07afd2d67f9b6afcd8c33a7971014913cc5de85e45079681c9e77200c6cc2f34acfba6d2  nologin.c"