platform_build_soong/tests/sbom_test.sh
Wei Li 9a8df6669b Some new libraries are added to system partition and are not captured in
product SBOM of cuttlefish devices, ignore these diffs for now in the
SBOM integration test to fix the CI breakage.

Bug: 291073898
Test: build/soong/tests/sbom_test.sh
Change-Id: Idf5569f67642784ee422847301c59dddc8ff0907
2023-07-13 10:29:55 -07:00

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#!/bin/bash
# Copyright (C) 2023 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -uo pipefail
# Integration test for verifying generated SBOM for cuttlefish device.
if [ ! -e "build/make/core/Makefile" ]; then
echo "$0 must be run from the top of the Android source tree."
exit 1
fi
function setup {
tmp_dir="$(mktemp -d tmp.XXXXXX)"
trap 'cleanup "${tmp_dir}"' EXIT
echo "${tmp_dir}"
}
function cleanup {
tmp_dir="$1"; shift
rm -rf "${tmp_dir}"
}
function run_soong {
target_product="$1";shift
out_dir="$1"; shift
targets="$1"; shift
if [ "$#" -ge 1 ]; then
apps=$1; shift
TARGET_PRODUCT="${target_product}" TARGET_BUILD_VARIANT=userdebug OUT_DIR="${out_dir}" TARGET_BUILD_UNBUNDLED=true TARGET_BUILD_APPS=$apps build/soong/soong_ui.bash --make-mode ${targets}
else
TARGET_PRODUCT="${target_product}" TARGET_BUILD_VARIANT=userdebug OUT_DIR="${out_dir}" build/soong/soong_ui.bash --make-mode ${targets}
fi
}
function diff_files {
file_list_file="$1"; shift
files_in_spdx_file="$1"; shift
partition_name="$1"; shift
exclude=
if [ -v 'diff_excludes[$partition_name]' ]; then
exclude=${diff_excludes[$partition_name]}
fi
diff "$file_list_file" "$files_in_spdx_file" $exclude
if [ $? != "0" ]; then
echo Found diffs in $f and SBOM.
exit 1
else
echo No diffs.
fi
}
function test_sbom_aosp_cf_x86_64_phone {
# Setup
out_dir="$(setup)"
# Test
# m droid, build sbom later in case additional dependencies might be built and included in partition images.
run_soong "aosp_cf_x86_64_phone" "${out_dir}" "droid dump.erofs lz4"
product_out=$out_dir/target/product/vsoc_x86_64
sbom_test=$product_out/sbom_test
mkdir -p $sbom_test
cp $product_out/*.img $sbom_test
# m sbom
run_soong "aosp_cf_x86_64_phone" "${out_dir}" sbom
# Generate installed file list from .img files in PRODUCT_OUT
dump_erofs=$out_dir/host/linux-x86/bin/dump.erofs
lz4=$out_dir/host/linux-x86/bin/lz4
declare -A diff_excludes
diff_excludes[vendor]="-I /vendor/lib64/libkeystore2_crypto.so"
diff_excludes[system]="\
-I /bin \
-I /bugreports \
-I /cache \
-I /d \
-I /etc \
-I /init \
-I /odm/app \
-I /odm/bin \
-I /odm_dlkm/etc \
-I /odm/etc \
-I /odm/firmware \
-I /odm/framework \
-I /odm/lib \
-I /odm/lib64 \
-I /odm/overlay \
-I /odm/priv-app \
-I /odm/usr \
-I /sdcard \
-I /system/lib64/android.hardware.confirmationui@1.0.so \
-I /system/lib64/android.hardware.confirmationui-V1-ndk.so \
-I /system/lib64/android.hardware.keymaster@4.1.so \
-I /system/lib64/android.hardware.security.rkp-V3-ndk.so \
-I /system/lib64/android.hardware.security.sharedsecret-V1-ndk.so \
-I /system/lib64/android.security.compat-ndk.so \
-I /system/lib64/libcuttlefish_allocd_utils.so \
-I /system/lib64/libcuttlefish_device_config_proto.so \
-I /system/lib64/libcuttlefish_device_config.so \
-I /system/lib64/libcuttlefish_fs.so \
-I /system/lib64/libcuttlefish_kernel_log_monitor_utils.so \
-I /system/lib64/libcuttlefish_utils.so \
-I /system/lib64/libfruit.so \
-I /system/lib64/libgflags.so \
-I /system/lib64/libkeymaster4_1support.so \
-I /system/lib64/libkeymaster4support.so \
-I /system/lib64/libkeymint.so \
-I /system/lib64/libkeystore2_aaid.so \
-I /system/lib64/libkeystore2_apc_compat.so \
-I /system/lib64/libkeystore2_crypto.so \
-I /system/lib64/libkeystore-attestation-application-id.so \
-I /system/lib64/libkm_compat_service.so \
-I /system/lib64/libkm_compat.so \
-I /system/lib64/vndk-29 \
-I /system/lib64/vndk-sp-29 \
-I /system/lib/vndk-29 \
-I /system/lib/vndk-sp-29 \
-I /system/usr/icu \
-I /vendor_dlkm/etc"
# Example output of dump.erofs is as below, and the data used in the test start
# at line 11. Column 1 is inode id, column 2 is inode type and column 3 is name.
# Each line is captured in variable "entry", awk is used to get type and name.
# Output of dump.erofs:
# File : /
# Size: 160 On-disk size: 160 directory
# NID: 39 Links: 10 Layout: 2 Compression ratio: 100.00%
# Inode size: 64 Extent size: 0 Xattr size: 16
# Uid: 0 Gid: 0 Access: 0755/rwxr-xr-x
# Timestamp: 2023-02-14 01:15:54.000000000
#
# NID TYPE FILENAME
# 39 2 .
# 39 2 ..
# 47 2 app
# 1286748 2 bin
# 1286754 2 etc
# 5304814 2 lib
# 5309056 2 lib64
# 5309130 2 media
# 5388910 2 overlay
# 5479537 2 priv-app
EROFS_IMAGES="\
$sbom_test/product.img \
$sbom_test/system.img \
$sbom_test/system_ext.img \
$sbom_test/system_dlkm.img \
$sbom_test/system_other.img \
$sbom_test/odm.img \
$sbom_test/odm_dlkm.img \
$sbom_test/vendor.img \
$sbom_test/vendor_dlkm.img"
for f in $EROFS_IMAGES; do
partition_name=$(basename $f | cut -d. -f1)
file_list_file="${sbom_test}/sbom-${partition_name}-files.txt"
files_in_spdx_file="${sbom_test}/sbom-${partition_name}-files-in-spdx.txt"
rm "$file_list_file" > /dev/null 2>&1 || true
all_dirs="/"
while [ ! -z "$all_dirs" ]; do
dir=$(echo "$all_dirs" | cut -d ' ' -f1)
all_dirs=$(echo "$all_dirs" | cut -d ' ' -f1 --complement -s)
entries=$($dump_erofs --ls --path "$dir" $f | tail -n +11)
while read -r entry; do
inode_type=$(echo $entry | awk -F ' ' '{print $2}')
name=$(echo $entry | awk -F ' ' '{print $3}')
case $inode_type in
"2") # directory
all_dirs=$(echo "$all_dirs $dir/$name" | sed 's/^\s*//')
;;
"1"|"7") # 1: file, 7: symlink
(
if [ "$partition_name" != "system" ]; then
# system partition is mounted to /, not to prepend partition name.
printf %s "/$partition_name"
fi
echo "$dir/$name" | sed 's#^//#/#'
) >> "$file_list_file"
;;
esac
done <<< "$entries"
done
sort -n -o "$file_list_file" "$file_list_file"
grep "FileName: /${partition_name}/" $product_out/sbom.spdx | sed 's/^FileName: //' > "$files_in_spdx_file"
if [ "$partition_name" = "system" ]; then
# system partition is mounted to /, so include FileName starts with /root/ too.
grep "FileName: /root/" $product_out/sbom.spdx | sed 's/^FileName: \/root//' >> "$files_in_spdx_file"
fi
sort -n -o "$files_in_spdx_file" "$files_in_spdx_file"
echo ============ Diffing files in $f and SBOM
diff_files "$file_list_file" "$files_in_spdx_file" "$partition_name"
done
RAMDISK_IMAGES="$product_out/ramdisk.img"
for f in $RAMDISK_IMAGES; do
partition_name=$(basename $f | cut -d. -f1)
file_list_file="${sbom_test}/sbom-${partition_name}-files.txt"
files_in_spdx_file="${sbom_test}/sbom-${partition_name}-files-in-spdx.txt"
# lz4 decompress $f to stdout
# cpio list all entries like ls -l
# grep filter normal files and symlinks
# awk get entry names
# sed remove partition name from entry names
$lz4 -c -d $f | cpio -tv 2>/dev/null | grep '^[-l]' | awk -F ' ' '{print $9}' | sed "s:^:/$partition_name/:" | sort -n > "$file_list_file"
grep "FileName: /${partition_name}/" $product_out/sbom.spdx | sed 's/^FileName: //' | sort -n > "$files_in_spdx_file"
echo ============ Diffing files in $f and SBOM
diff_files "$file_list_file" "$files_in_spdx_file" "$partition_name"
done
# Teardown
cleanup "${out_dir}"
}
function test_sbom_unbundled_apex {
# Setup
out_dir="$(setup)"
# run_soong to build com.android.adbd.apex
run_soong "module_arm64" "${out_dir}" "sbom deapexer" "com.android.adbd"
deapexer=${out_dir}/host/linux-x86/bin/deapexer
debugfs=${out_dir}/host/linux-x86/bin/debugfs_static
apex_file=${out_dir}/target/product/module_arm64/system/apex/com.android.adbd.apex
echo "============ Diffing files in $apex_file and SBOM"
set +e
# deapexer prints the list of all files and directories
# sed extracts the file/directory names
# grep removes directories
# sed removes leading ./ in file names
diff -I /system/apex/com.android.adbd.apex -I apex_manifest.pb \
<($deapexer --debugfs_path=$debugfs list --extents ${apex_file} | sed -E 's#(.*) \[.*\]$#\1#' | grep -v "/$" | sed -E 's#^\./(.*)#\1#' | sort -n) \
<(grep '"fileName": ' ${apex_file}.spdx.json | sed -E 's/.*"fileName": "(.*)",/\1/' | sort -n )
if [ $? != "0" ]; then
echo "Diffs found in $apex_file and SBOM"
exit 1
else
echo "No diffs."
fi
set -e
# Teardown
cleanup "${out_dir}"
}
function test_sbom_unbundled_apk {
# Setup
out_dir="$(setup)"
# run_soong to build Browser2.apk
run_soong "module_arm64" "${out_dir}" "sbom" "Browser2"
sbom_file=${out_dir}/target/product/module_arm64/system/product/app/Browser2/Browser2.apk.spdx.json
echo "============ Diffing files in Browser2.apk and SBOM"
set +e
# There is only one file in SBOM of APKs
diff \
<(echo "/system/product/app/Browser2/Browser2.apk" ) \
<(grep '"fileName": ' ${sbom_file} | sed -E 's/.*"fileName": "(.*)",/\1/' )
if [ $? != "0" ]; then
echo "Diffs found in $sbom_file"
exit 1
else
echo "No diffs."
fi
set -e
# Teardown
cleanup "${out_dir}"
}
test_sbom_aosp_cf_x86_64_phone
test_sbom_unbundled_apex
test_sbom_unbundled_apk