b646211 Generalize and extend unit tests working with binary files — HardenedBSD-pkg

HardenedBSD-pkg

rad:z3QDZAW2FAfuLvihrhiyDC9fAD8G9

HardenedBSD Package Manager

Generalize and extend unit tests working with binary files

Keve committed 1 year ago

commit b64621127e2c5b4298ad7b7985ece3098f12bd0f
parent 991ba63

8 files changed +324 -172

modified libpkg/elfhints.c

@@ -316,7 +316,7 @@ int

 shlib_list_from_elf_hints(const char *hintsfile)
 {
 	if (ctx.oi->ostype == OS_FREEBSD || ctx.oi->ostype == OS_DRAGONFLY)
 		read_elf_hints(hintsfile, 1);
 		read_elf_hints(hintsfile, false);
 	return (scan_dirs_for_shlibs(&shlibs, ndirs, dirs, true));
 }

modified libpkg/pkg_abi.c

@@ -139,7 +139,7 @@ pkg_get_myarch_fromfile(struct os_info *oi)

 		ret = pkg_get_myarch_macho(fd, oi);
 		if (EPKG_OK != ret) {
 			pkg_emit_error(
 			    "Unable to determine the ABI, %s cannot be parsed.",
 			    "Unable to determine ABI, %s cannot be parsed.",
 			    work_abi_file);
 			ret = EPKG_FATAL;
 		}

modified libpkg/pkg_abi_macho.c

@@ -304,6 +304,7 @@ pkg_get_myarch_macho(int fd, struct os_info *oi)

 		ret = EPKG_OK;
 	} else {
 		pkg_emit_notice("No OS version information found in binary.");
 		ret = EPKG_WARN;
 	}
 cleanup:

modified libpkg/pkg_config.c

@@ -1037,7 +1037,9 @@ pkg_ini(const char *path, const char *reposdir, pkg_init_flags flags)

 	memset(&oi, 0, sizeof(oi));
 	envabi = getenv("ABI");
 	if (envabi == NULL) {
 		pkg_get_myarch_with_legacy(&oi);
 		if (EPKG_OK != (err = pkg_get_myarch_with_legacy(&oi))) {
 			goto out;
 		}
 	} else {
 		strlcpy(oi.abi, envabi, sizeof(oi.abi));
 		pkg_arch_to_legacy(oi.abi, oi.altabi, sizeof(oi.abi));

modified tests/Makefile.autosetup

@@ -28,6 +28,7 @@ TESTS_SH= \

 	frontend/conflicts.sh \
 	frontend/conflicts-multirepo.sh \
 	frontend/create.sh \
 	frontend/create-parsebin.sh \
 	frontend/delete.sh \
 	frontend/extract.sh \
 	frontend/fetch.sh \

modified tests/frontend/abi.sh

@@ -61,180 +61,44 @@ override_body() {

 elfparse_body() {
 	# ELF parsing now works across platforms
 	_expected="FreeBSD:14:aarch64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-aarch64.bin config abi
 	_expected="freebsd:14:aarch64:64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-aarch64.bin config altabi
 	_expected="FreeBSD:14:amd64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-amd64.bin config abi
 	_expected="freebsd:14:x86:64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-amd64.bin config altabi
 	_expected="FreeBSD:13:armv6\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-armv6.bin config abi
 	_expected="freebsd:13:armv6:32:el:eabi:hardfp\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-armv6.bin config altabi
 	_expected="FreeBSD:14:armv7\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-armv7.bin config abi
 	_expected="freebsd:14:armv7:32:el:eabi:hardfp\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-armv7.bin config altabi
 	_expected="FreeBSD:14:i386\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-i386.bin config abi
 	_expected="freebsd:14:x86:32\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-i386.bin config altabi
 	_expected="FreeBSD:14:powerpc\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-powerpc.bin config abi
 	_expected="freebsd:14:powerpc:32:eb\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-powerpc.bin config altabi
 	_expected="FreeBSD:14:powerpc64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-powerpc64.bin config abi
 	_expected="freebsd:14:powerpc:64:eb\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-powerpc64.bin config altabi
 	_expected="FreeBSD:14:powerpc64le\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-powerpc64le.bin config abi
 	_expected="freebsd:14:powerpc:64:el\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-powerpc64le.bin config altabi
 	_expected="FreeBSD:14:riscv64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-riscv64.bin config abi
 	_expected="freebsd:14:riscv:64:hf\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/freebsd-riscv64.bin config altabi
 	_expected="dragonfly:5.10:x86:64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/dfly.bin config abi
 	_expected="dragonfly:5.10:x86:64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/dfly.bin config altabi
 	_expected="Linux:3.2:x86_64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/linux.bin config abi
 	_expected="linux:3.2:x86_64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/linux.bin config altabi
 	for bin in \
 		freebsd-aarch64.bin freebsd-amd64.bin freebsd-armv6.bin freebsd-armv7.bin \
 		freebsd-i386.bin freebsd-powerpc.bin freebsd-powerpc64.bin freebsd-powerpc64le.bin \
 		freebsd-riscv64.bin dfly.bin linux.bin
 	do
 		bin_meta ${bin}
 		_expected="${XABI}\n"
 		atf_check \
 			-o inline:"${_expected}" \
 			pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/${bin} config abi
 		_expected="${XALTABI}\n"
 		atf_check \
 			-o inline:"${_expected}" \
 			pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/${bin} config altabi
 	done
 }
 machoparse_body() {
 	# Macho-O parsing now works across platforms
 	_expected="Darwin:24:aarch64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macos.bin config abi
 	_expected="darwin:24:aarch64:64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macos.bin config altabi
 	_expected="Darwin:10:amd64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macos106.bin config abi
 	_expected="darwin:10:x86:64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macos106.bin config altabi
 	_expected="Darwin:24:amd64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macos150.bin config abi
 	for bin in \
 		macos.bin macos106.bin macos150.bin macosfat.bin \
 		"macosfat.bin#amd64" "macosfat.bin#aarch64"
 	do
 		bin_meta ${bin}
 	_expected="darwin:24:x86:64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macos150.bin config altabi
 		_expected="${XABI}\n"
 		atf_check \
 			-o inline:"${_expected}" \
 			pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/${bin} config abi
 	# macosfat.bin has amd64 as its first entry
 	_expected="Darwin:24:amd64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macosfat.bin config abi
 	_expected="darwin:24:x86:64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macosfat.bin config altabi
 	# explicitely select an existing fat entry
 	_expected="Darwin:24:amd64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macosfat.bin#amd64 config abi
 	_expected="darwin:24:x86:64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macosfat.bin#amd64 config altabi
 	_expected="Darwin:24:aarch64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macosfat.bin#aarch64 config abi
 	_expected="darwin:24:aarch64:64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macosfat.bin#aarch64 config altabi
 		_expected="${XALTABI}\n"
 		atf_check \
 			-o inline:"${_expected}" \
 			pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/${bin} config altabi
 	done
 	# explicitely select a fat entry that is not in the ABI_FILE
 	_expected="Scanned 2 entries, found none matching selector i386\n"

@@ -291,13 +155,13 @@ machoparse_body() {

 		pkg -d -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macos.bin#abc config altabi
 	# if the binary is universal, selecting the first entry is to be commented
 	_expected="Darwin:24:amd64\n"
 	_expected="Darwin:17:amd64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		-e match:"picking first" \
 		pkg -d -o IGNORE_OSMAJOR=1 -o ABI_FILE=$(atf_get_srcdir)/macosfat.bin config abi
 	_expected="darwin:24:x86:64\n"
 	_expected="darwin:17:x86:64\n"
 	atf_check \
 		-o inline:"${_expected}" \
 		-e match:"picking first" \

added tests/frontend/create-parsebin.sh

@@ -0,0 +1,157 @@

 #! /usr/bin/env atf-sh
 . $(atf_get_srcdir)/test_environment.sh
 tests_init \
 	create_from_bin \
     create_from_binbase
 genmanifest() {
     local PKG_NAME="$1"
     shift
     local PKG_FLATSIZE=0
     local PKG_FILES=""
     local PKG_SHA256=""
     local NL="
 "
     bin_meta "$1"
     while [ -n "$1" ]; do
         local file1="${1%#*}"
         local file1_base=$(basename ${file1})
         local file1_size=$(wc -c < ${file1})
         local file1_sha=$(openssl dgst -sha256 -hex ${file1} | sed -nE 's/.*=[[:space:]]*([[:xdigit:]]+)/\1/p')
         cp -a ${file1} ${TMPDIR}/${file1_base}
         PKG_FILES="${PKG_FILES}/${file1_base}: {perm: 0644}${NL}"
         PKG_SHA256="${PKG_SHA256}${NL}    /${file1_base} = \"1\$${file1_sha}\";"
         PKG_FLATSIZE=$((${PKG_FLATSIZE}+${file1_size}))
         shift
     done
 	cat << EOF > ${PKG_NAME}.manifest
 name: ${PKG_NAME}
 origin: ${PKG_NAME}
 version: 1
 maintainer: test
 categories: [test]
 comment: a test
 www: http://test
 prefix: /
 desc: <<EOD
 Yet another test
 EOD
 files: {
     ${PKG_FILES}
 }
 EOF
 	cat << EOF > ${PKG_NAME}.expected
 name = "${PKG_NAME}";
 origin = "${PKG_NAME}";
 version = "1";
 comment = "a test";
 maintainer = "test";
 www = "http://test";
 abi = "${XABI}";
 arch = "${XALTABI}";
 prefix = "/";
 flatsize = ${PKG_FLATSIZE};
 desc = "Yet another test";
 categories [
     "test",
 ]
 EOF
     if [ x"${ALLOW_BASE_SHLIBS}" = xyes -a -n "${Xshlibs_required_base}" ]; then
         echo "shlibs_required: [" >> ${PKG_NAME}.expected
         for i in ${Xshlibs_required_base}; do
             echo ${NL}"    "\"$i\" >> ${PKG_NAME}.expected
         done
         echo "]" >> ${PKG_NAME}.expected
     fi
     if [ -n "${XFreeBSD_version}" ]; then
     	cat << EOF >> ${PKG_NAME}.expected
 annotations {
     FreeBSD_version = "${XFreeBSD_version}";
 }
 EOF
     fi
 	cat << EOF >> ${PKG_NAME}.expected
 files {${PKG_SHA256}
 }
 EOF
 }
 create_from_bin_body() {
     local PKG_NAME=testbin
     for bin in \
         freebsd-aarch64.bin freebsd-amd64.bin freebsd-armv6.bin freebsd-armv7.bin \
 		freebsd-i386.bin freebsd-powerpc.bin freebsd-powerpc64.bin freebsd-powerpc64le.bin \
 		freebsd-riscv64.bin dfly.bin linux.bin \
         macos.bin macos106.bin macos150.bin macosfat.bin \
 		"macosfat.bin#amd64" "macosfat.bin#aarch64"
     do
         local file1=$(atf_get_srcdir)/$bin
         ALLOW_BASE_SHLIBS=no
         genmanifest ${PKG_NAME} ${file1}
 		atf_check \
 			-o inline:"${ALLOW_BASE_SHLIBS}\n" \
 			pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=${file1} -o ALLOW_BASE_SHLIBS=${ALLOW_BASE_SHLIBS} config allow_base_shlibs
         # cat ${PKG_NAME}.manifest
         atf_check \
             -o empty \
             -e empty \
             -s exit:0 \
             pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=${file1} -o ALLOW_BASE_SHLIBS=${ALLOW_BASE_SHLIBS} create -M ./${PKG_NAME}.manifest -r ${TMPDIR}
         # cat ${PKG_NAME}.expected
         atf_check \
             -o file:${PKG_NAME}.expected \
             -e empty \
             -s exit:0 \
             pkg info -R --raw-format=ucl -F ${PKG_NAME}-1.pkg
     done
 }
 create_from_binbase_body() {
     local PKG_NAME=testbinbase
     for bin in \
         freebsd-aarch64.bin freebsd-amd64.bin freebsd-armv6.bin freebsd-armv7.bin \
 		freebsd-i386.bin freebsd-powerpc.bin freebsd-powerpc64.bin freebsd-powerpc64le.bin \
 		freebsd-riscv64.bin dfly.bin linux.bin \
         macos.bin macos106.bin macos150.bin macosfat.bin \
 		"macosfat.bin#amd64" "macosfat.bin#aarch64"
     do
         local file1=$(atf_get_srcdir)/$bin
         ALLOW_BASE_SHLIBS=yes
         genmanifest ${PKG_NAME} ${file1}
         atf_check \
 			-o inline:"${ALLOW_BASE_SHLIBS}\n" \
 			pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=${file1} -o ALLOW_BASE_SHLIBS=${ALLOW_BASE_SHLIBS} config allow_base_shlibs
         # cat ${PKG_NAME}.manifest
         atf_check \
             -o empty \
             -e empty \
             -s exit:0 \
             pkg -o IGNORE_OSMAJOR=1 -o ABI_FILE=${file1} -o ALLOW_BASE_SHLIBS=${ALLOW_BASE_SHLIBS} create -M ./${PKG_NAME}.manifest -r ${TMPDIR}
         # cat ${PKG_NAME}.expected
         atf_check \
             -o file:${PKG_NAME}.expected \
             -e empty \
             -s exit:0 \
             pkg info -R --raw-format=ucl -F ${PKG_NAME}-1.pkg
     done
 }
 \ No newline at end of file

modified tests/frontend/test_environment.sh.in

@@ -47,3 +47,130 @@ atf_require() {

 		atf_skip "$@"
 	fi
 }
 # helper function to obtain expected values for binaries used by the test cases
 bin_meta() {
 	local file="$1"
 	XFreeBSD_version=""
 	Xshlibs_required_base=""
 	case "${file}" in
 		*freebsd-aarch64.bin)
 			XABI=FreeBSD:14:aarch64
 			XALTABI=freebsd:14:aarch64:64
 			XFreeBSD_version=1401000
 			Xshlibs_required_base="libc.so.7"
 			;;
 		*freebsd-amd64.bin)
 			XABI=FreeBSD:14:amd64
 			XALTABI=freebsd:14:x86:64
 			XFreeBSD_version=1401000
 			Xshlibs_required_base="libc.so.7"
 			;;
 		*freebsd-armv6.bin)
 			XABI=FreeBSD:13:armv6
 			XALTABI=freebsd:13:armv6:32:el:eabi:hardfp
 			XFreeBSD_version=1304000
 			Xshlibs_required_base="libc.so.7 libgcc_s.so.1"
 			;;
 		*freebsd-armv7.bin)
 			XABI=FreeBSD:14:armv7
 			XALTABI=freebsd:14:armv7:32:el:eabi:hardfp
 			XFreeBSD_version=1401000
 			Xshlibs_required_base="libc.so.7 libgcc_s.so.1"
 			;;
 		*freebsd-i386.bin)
 			XABI=FreeBSD:14:i386
 			XALTABI=freebsd:14:x86:32
 			XFreeBSD_version=1401000
 			Xshlibs_required_base="libc.so.7"
 			;;
 		*freebsd-powerpc.bin)
 			XABI=FreeBSD:14:powerpc
 			XALTABI=freebsd:14:powerpc:32:eb
 			XFreeBSD_version=1401000
 			Xshlibs_required_base="libc.so.7"
 			;;
 		*freebsd-powerpc64.bin)
 			XABI=FreeBSD:14:powerpc64
 			XALTABI=freebsd:14:powerpc:64:eb
 			XFreeBSD_version=1401000
 			Xshlibs_required_base="libc.so.7"
 			;;
 		*freebsd-powerpc64le.bin)
 			XABI=FreeBSD:14:powerpc64le
 			XALTABI=freebsd:14:powerpc:64:el
 			XFreeBSD_version=1401000
 			Xshlibs_required_base="libc.so.7"
 			;;
 		*freebsd-riscv64.bin)
 			XABI=FreeBSD:14:riscv64
 			XALTABI=freebsd:14:riscv:64:hf
 			XFreeBSD_version=1401000
 			Xshlibs_required_base="libc.so.7"
 			;;
 		*dfly.bin)
 			XABI=dragonfly:5.10:x86:64
 			XALTABI=dragonfly:5.10:x86:64
 			Xshlibs_required_base="libc.so.8"
 			;;
 		*linux.bin)
 			XABI=Linux:3.2:x86_64
 			XALTABI=linux:3.2:x86_64
 			Xshlibs_required_base="libc.so.6"
 			;;
 		*macos.bin)
 			XABI=Darwin:24:aarch64
 			XALTABI=darwin:24:aarch64:64
 			Xshlibs_required_base="libSystem.B.dylib"
 			;;
 		*macos106.bin)
 			XABI=Darwin:10:amd64
 			XALTABI=darwin:10:x86:64
 			Xshlibs_required_base="libSystem.B.dylib"
 			;;
 		*macos150.bin)
 			XABI=Darwin:24:amd64
 			XALTABI=darwin:24:x86:64
 			Xshlibs_required_base="libSystem.B.dylib"
 			;;
 		# macosfat.bin has amd64 as its first entry
 		*macosfat.bin|*macosfat.bin#amd64)
 			XABI=Darwin:24:amd64
 			XALTABI=darwin:24:x86:64
 			Xshlibs_required_base="libSystem.B.dylib"
 			;;
 		# macosfat also has an aarch64 entry
 		*macosfat.bin#aarch64)
 			XABI=Darwin:20:aarch64
 			XALTABI=darwin:20:aarch64:64
 			Xshlibs_required="libAnswer.A.dylib-1.1"
 			Xshlibs_required_base="libAnswer.A.dylib-1.1 libSystem.B.dylib-1351.0"
 			;;
 		# macosfatlib.bin has aarch64 as its first entry
 		*macosfatlib.bin|*macosfatlib.bin#amd64)
 			XABI=Darwin:17:amd64
 			XALTABI=darwin:17:x86:64
 			Xshlibs_provided="libAnswer.A.dylib-1.2"
 			Xshlibs_required_base="libSystem.B.dylib-1351.0"
 			;;
 		*macosfatlib.bin#aarch64)
 			XABI=Darwin:20:aarch64
 			XALTABI=darwin:20:aarch64:64
 			Xshlibs_provided="libAnswer.A.dylib-1.1"
 			Xshlibs_required_base="libSystem.B.dylib-1351.0"
 			;;
 		*)
 			echo Unknown binary $1
 			return 1
 			;;
 	esac
 	return 0
 }
 \ No newline at end of file