# Contributor: Łukasz Jendrysik <scadu@yandex.com>
# Contributor: Oliver Smith <ollieparanoid@postmarketos.org>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=busybox
pkgver=1.31.1
pkgrel=8
pkgdesc="Size optimized toolbox of many common UNIX utilities"
url="https://busybox.net/"
arch="all"
license="GPL-2.0-only"
makedepends_host="linux-headers openssl-dev libtls-standalone-dev"
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 $pkgname-extras ssl_client"
options="suid !check"
replaces="busybox-initscripts" # move of default.script
triggers="busybox.trigger=/bin:/usr/bin:/sbin:/usr/sbin:/lib/modules/*"
source="https://busybox.net/downloads/busybox-$pkgver.tar.bz2
	0001-ln-no-target-directory-implies-no-dereference.patch
	0001-nologin-Install-applet-to-sbin-instead-of-usr-sbin.patch
	0001-adduser-default-to-sbin-nologin-as-shell-for-system-.patch
	0001-properly-fix-wget-https-support.patch
	0002-fsck-resolve-LABEL-.-UUID-.-spec-to-device.patch
	0003-ash-exec-busybox.static.patch
	0004-app-location-for-cpio-vi-and-lspci.patch
	0005-udhcpc-set-default-discover-retries-to-5.patch
	0006-ping-make-ping-work-without-root-privileges.patch
	0007-fbsplash-support-console-switching.patch
	0008-fbsplash-support-image-and-bar-alignment-and-positio.patch
	0009-depmod-support-generating-kmod-binary-index-files.patch
	0010-Add-flag-for-not-following-symlinks-when-recursing.patch
	0012-udhcpc-Don-t-background-if-n-is-given.patch
	0013-testsuite-fix-cpio-tests.patch
	busybox-bc.patch

	acpid.logrotate
	busyboxconfig
	busyboxconfig-extras
	bbsuid.c
	dad.if-up
	ssl_client.c
	default.script
	"

# secfixes:
#   1.30.1-r2:
#     - CVE-2019-5747
#   1.29.3-r10:
#     - CVE-2018-20679
#     - CVE-2019-5747
#   1.27.2-r4:
#     - CVE-2017-16544
#     - CVE-2017-15873
#     - CVE-2017-15874


_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

	mkdir -p "$_staticdir" "$_dyndir" "$_dyndir_extras"
}

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

	msg "Building ssl_client"
	# shellcheck disable=SC2046  # Allow wordsplitting for pkg-config
	${CC:-${CROSS_COMPILE}gcc} ${CPPFLAGS} ${CFLAGS} $(pkg-config --cflags libtls-standalone) \
		"$srcdir"/ssl_client.c -o "$_dyndir"/ssl_client ${LDFLAGS} $(pkg-config --libs libtls-standalone)

	# no timestamp in build
	export KCONFIG_NOTIMESTAMP=1

	# build dynamic
	cd "$_dyndir"
	msg "Building dynamic busybox"
	echo "COPIED CONFIG to $(pwd)/.config"
	cp "$_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 "$_staticdir"
	msg "Building static busybox"
	# enable internal ssl_client for static build
	sed -e "s/.*CONFIG_PIE.*/\# CONFIG_PIE is not set/" \
		-e "s/.*CONFIG_STATIC.*/CONFIG_STATIC=y/" \
		-e "s/.*CONFIG_SSL_CLIENT.*/CONFIG_SSL_CLIENT=y/" \
		"$_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 "$pkgdir"/bin/busybox
	# we need /bin/sh to be able to execute post-install
	ln -s /bin/busybox "$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

	# script for udhcpc
	install -Dm755 "$srcdir"/default.script \
		"$pkgdir"/usr/share/udhcpc/default.script

}

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
}

ssl_client() {
	pkgdesc="EXternal ssl_client for busybox wget"
	local _sslver=$(pkg-config --modversion libssl)
	# automatically pull in if both busybox and libssl is installed
	install_if="$pkgname=$pkgver-r$pkgrel libssl${_sslver%.*}"
	mkdir -p "$subpkgdir"/usr/bin
	install -m755 "$_dyndir"/ssl_client \
		"$subpkgdir"/usr/bin/ssl_client
}


sha512sums="0d1197c25d963d7f95ef21e08c06c0d6124ac7b59c99989e891f744ffee4878a3b1fe44a247241a9da39fa5de0ba87f1b6d862401b591f277e66e89c02764bbf  busybox-1.31.1.tar.bz2
07e79138c80a12fd3c8770c4a1beaba986465b099816511d2de744b34f7457f22351d991f510cce8665effd651cca34a85f685ed52747313b3980ebf25988958  0001-ln-no-target-directory-implies-no-dereference.patch
ead3403578c071c2216de17ab0543984c1f1509c12c062f03af49141547c3ea21356f3e8f0f0695550f05a41a1379dd73fc3cc18dcd78addbb411f247351e353  0001-nologin-Install-applet-to-sbin-instead-of-usr-sbin.patch
a2787a3ecaf6746dadef62166e8ee6ecaa166147e5ad8b917c5838536057c875bab5f9cf40c3e05eba74d575484ac662929ac3799d58432d3a99ac46f364f302  0001-adduser-default-to-sbin-nologin-as-shell-for-system-.patch
78f4c602e518b01d600824cea246992e58961f2a65737741b1a2283c96900f11504b791423f2482eec79090a9f612b2088c66f6c9f22153daca08b7fe534cca5  0001-properly-fix-wget-https-support.patch
d8694293edc8cd55cecafeb902f03c01af318e13966f399365cf792b840793891ac086bb67ef83e7a5a2e01b246497a6c6511cb6a856834f6672dee4bca76896  0002-fsck-resolve-LABEL-.-UUID-.-spec-to-device.patch
8c34dd5ce9a6e84279fa6494cbae0b254778976f341af1d0ccc2a3afb405fb22d374e9623ea83d1500da77c7463db2ed5218d2c9f49350a21114bd0bb17fd87d  0003-ash-exec-busybox.static.patch
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f96d66ce5a0295a2459a2c49c281b64e016de675ebd31a49af18cb06f3498fe27dfbc8667324b4391fdf8136aea8533dce643f1c740d10de811808985950bd15  0005-udhcpc-set-default-discover-retries-to-5.patch
136e35be699b6953e1b624c65bcc41fd096cf98fb00de4409855d0eda8b8a1ee830eb6eb1f0d0dd7d47ee940321e056b3765fd77747bf6a90a07d9cf84a9626c  0006-ping-make-ping-work-without-root-privileges.patch
7873b98c676a92faea61511d50c1efac1220354d20afd53de19e2c8f1472559cb333b9dd4e0d6432616d8c5f59885f1503c448c86a912e8031c9bfed628c2db1  0007-fbsplash-support-console-switching.patch
2c56906dac70dea6276e4c573707cb06c4c8b53defcd33b1e5a28f928e7dafe905a52ce40571de430e4af7e00a75ecc0f249d2fec02da5f3d9edd4e904919a35  0008-fbsplash-support-image-and-bar-alignment-and-positio.patch
907aef47c88f60e93bcd290eb43102721978ab6fc6eca52914172801ace7306ae8b11f38ed8b086452bbf46d75424740161e4f1e7840a485f0f78024455f902b  0009-depmod-support-generating-kmod-binary-index-files.patch
3b13ba6bd9b697e48864cb5376849c1ac95b30650e3e27605cc05edf4fdc1ecbb4c4503d4fe9012a581bcd660f6bb44d644575cf437d30423614cb83ee92c22c  0010-Add-flag-for-not-following-symlinks-when-recursing.patch
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d8926f0e4ed7d2fe5af89ff2a944d781b45b109c9edf1ef2591e7bce2a8bbadd7c8ca814cb3c928ae09027d9603434fe70496f308d701f3d42260ebd1e9e9b29  0013-testsuite-fix-cpio-tests.patch
9bb4d16ca418b6fd3c0b6dc867c92920e66ddb0c98040373d1166608284d2755b8d6eed0022bfddfcc07f5df93974fb7ed79402511a9728eb6c95ce05c37cfeb  busybox-bc.patch
aa93095e20de88730f526c6f463cef711b290b9582cdbd8c1ba2bd290019150cbeaa7007c2e15f0362d5b9315dd63f60511878f0ea05e893f4fdfb4a54af3fb1  acpid.logrotate
254f7e06d4ea9cb5770bc0433daf0ae412097c90acbcaa1a1915a0ecd766280ba020ef33675dacf9f106255ab80d1b0662468862677b8524e1e897c8180146e5  busyboxconfig
5f9739b9d0c1ba5d77e3153c373593a1bcb813cf466f951b00a2a040262e5077fb13c1a7aa17d67d1533a473bfcacc1a22833b7f491b4dde9dcb5638ad585f9a  busyboxconfig-extras
0becc2186d6c32fb0c401cf7bc0e46268b38ce8892db33be1daf40273024c1c02d518283f44086a313a2ccef34230a1d945ec148cc173f26e6aa9d88a7426e54  bbsuid.c
b993ce589685d5d1f806153d0b7f71657f2d37556654ec60884130a40f09acc4944a13e0a4d02914000bedd779e5a35da08c760fed5f7ca5b601243aff7ba2c9  dad.if-up
646ad9aefe3596d0170d92c8506ca1846e43b5b83cbef97ae565f15ffa7b14665a8c7061bc69c608c043f834c134c5d63f042509f8999031e89163508a868e46  ssl_client.c
788e3525af419dadff5a46f672b9356a1d9f8a3360523e8e247b926a67180212a002adb2499293d3455cce67a95ed8e2c27f9327ae1a5271f6e7f320dc1c2b98  default.script"