e7eb8f7445
Bug: 272358980 Test: build/soong/tests/sbom_test.sh Change-Id: I065826d59f4bd4b4abc20aa5010d362b30fb6b99
276 lines
No EOL
9.1 KiB
Bash
Executable file
276 lines
No EOL
9.1 KiB
Bash
Executable file
#!/bin/bash
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# Copyright (C) 2023 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -uo pipefail
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# Integration test for verifying generated SBOM for cuttlefish device.
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if [ ! -e "build/make/core/Makefile" ]; then
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echo "$0 must be run from the top of the Android source tree."
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exit 1
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fi
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function setup {
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tmp_dir="$(mktemp -d tmp.XXXXXX)"
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trap 'cleanup "${tmp_dir}"' EXIT
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echo "${tmp_dir}"
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}
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function cleanup {
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tmp_dir="$1"; shift
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rm -rf "${tmp_dir}"
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}
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function run_soong {
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target_product="$1";shift
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out_dir="$1"; shift
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targets="$1"; shift
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if [ "$#" -ge 1 ]; then
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apps=$1; shift
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TARGET_PRODUCT="${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 ${targets}
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else
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TARGET_PRODUCT="${target_product}" TARGET_BUILD_VARIANT=userdebug OUT_DIR="${out_dir}" build/soong/soong_ui.bash --make-mode ${targets}
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fi
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}
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function diff_files {
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local file_list_file="$1"; shift
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local files_in_spdx_file="$1"; shift
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local partition_name="$1"; shift
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local exclude="$1"; shift
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diff "$file_list_file" "$files_in_spdx_file" $exclude
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if [ $? != "0" ]; then
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echo Found diffs in $f and SBOM.
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exit 1
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else
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echo No diffs.
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fi
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}
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function test_sbom_aosp_cf_x86_64_phone {
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# Setup
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out_dir="$(setup)"
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# Test
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# m droid, build sbom later in case additional dependencies might be built and included in partition images.
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run_soong "aosp_cf_x86_64_phone" "${out_dir}" "droid dump.erofs lz4"
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product_out=$out_dir/target/product/vsoc_x86_64
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sbom_test=$product_out/sbom_test
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mkdir -p $sbom_test
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cp $product_out/*.img $sbom_test
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# m sbom
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run_soong "aosp_cf_x86_64_phone" "${out_dir}" sbom
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# Generate installed file list from .img files in PRODUCT_OUT
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dump_erofs=$out_dir/host/linux-x86/bin/dump.erofs
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lz4=$out_dir/host/linux-x86/bin/lz4
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# Example output of dump.erofs is as below, and the data used in the test start
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# at line 11. Column 1 is inode id, column 2 is inode type and column 3 is name.
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# Each line is captured in variable "entry", awk is used to get type and name.
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# Output of dump.erofs:
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# File : /
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# Size: 160 On-disk size: 160 directory
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# NID: 39 Links: 10 Layout: 2 Compression ratio: 100.00%
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# Inode size: 64 Extent size: 0 Xattr size: 16
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# Uid: 0 Gid: 0 Access: 0755/rwxr-xr-x
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# Timestamp: 2023-02-14 01:15:54.000000000
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#
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# NID TYPE FILENAME
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# 39 2 .
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# 39 2 ..
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# 47 2 app
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# 1286748 2 bin
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# 1286754 2 etc
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# 5304814 2 lib
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# 5309056 2 lib64
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# 5309130 2 media
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# 5388910 2 overlay
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# 5479537 2 priv-app
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EROFS_IMAGES="\
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$sbom_test/product.img \
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$sbom_test/system.img \
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$sbom_test/system_ext.img \
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$sbom_test/system_dlkm.img \
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$sbom_test/system_other.img \
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$sbom_test/odm.img \
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$sbom_test/odm_dlkm.img \
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$sbom_test/vendor.img \
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$sbom_test/vendor_dlkm.img"
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for f in $EROFS_IMAGES; do
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partition_name=$(basename $f | cut -d. -f1)
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file_list_file="${sbom_test}/sbom-${partition_name}-files.txt"
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files_in_spdx_file="${sbom_test}/sbom-${partition_name}-files-in-spdx.txt"
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rm "$file_list_file" > /dev/null 2>&1 || true
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all_dirs="/"
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while [ ! -z "$all_dirs" ]; do
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dir=$(echo "$all_dirs" | cut -d ' ' -f1)
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all_dirs=$(echo "$all_dirs" | cut -d ' ' -f1 --complement -s)
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entries=$($dump_erofs --ls --path "$dir" $f | tail -n +11)
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while read -r entry; do
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inode_type=$(echo $entry | awk -F ' ' '{print $2}')
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name=$(echo $entry | awk -F ' ' '{print $3}')
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case $inode_type in
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"2") # directory
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all_dirs=$(echo "$all_dirs $dir/$name" | sed 's/^\s*//')
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;;
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"1"|"7") # 1: file, 7: symlink
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(
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if [ "$partition_name" != "system" ]; then
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# system partition is mounted to /, not to prepend partition name.
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printf %s "/$partition_name"
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fi
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echo "$dir/$name" | sed 's#^//#/#'
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) >> "$file_list_file"
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;;
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esac
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done <<< "$entries"
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done
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sort -n -o "$file_list_file" "$file_list_file"
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grep "FileName: /${partition_name}/" $product_out/sbom.spdx | sed 's/^FileName: //' > "$files_in_spdx_file"
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if [ "$partition_name" = "system" ]; then
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# system partition is mounted to /, so include FileName starts with /root/ too.
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grep "FileName: /root/" $product_out/sbom.spdx | sed 's/^FileName: \/root//' >> "$files_in_spdx_file"
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fi
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sort -n -o "$files_in_spdx_file" "$files_in_spdx_file"
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echo ============ Diffing files in $f and SBOM
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diff_files "$file_list_file" "$files_in_spdx_file" "$partition_name" ""
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done
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RAMDISK_IMAGES="$product_out/ramdisk.img"
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for f in $RAMDISK_IMAGES; do
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partition_name=$(basename $f | cut -d. -f1)
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file_list_file="${sbom_test}/sbom-${partition_name}-files.txt"
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files_in_spdx_file="${sbom_test}/sbom-${partition_name}-files-in-spdx.txt"
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# lz4 decompress $f to stdout
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# cpio list all entries like ls -l
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# grep filter normal files and symlinks
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# awk get entry names
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# sed remove partition name from entry names
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$lz4 -c -d $f | cpio -tv 2>/dev/null | grep '^[-l]' | awk -F ' ' '{print $9}' | sed "s:^:/$partition_name/:" | sort -n > "$file_list_file"
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grep "FileName: /${partition_name}/" $product_out/sbom.spdx | sed 's/^FileName: //' | sort -n > "$files_in_spdx_file"
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echo ============ Diffing files in $f and SBOM
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diff_files "$file_list_file" "$files_in_spdx_file" "$partition_name" ""
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done
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verify_package_verification_code "$product_out/sbom.spdx"
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# Teardown
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cleanup "${out_dir}"
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}
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function verify_package_verification_code {
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local sbom_file="$1"; shift
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local -a file_checksums
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local package_product_found=
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while read -r line;
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do
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if grep -q 'PackageVerificationCode' <<<"$line"
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then
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package_product_found=true
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fi
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if [ -n "$package_product_found" ]
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then
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if grep -q 'FileChecksum' <<< "$line"
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then
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checksum=$(echo $line | sed 's/^.*: //')
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file_checksums+=("$checksum")
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fi
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fi
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done <<< "$(grep -E 'PackageVerificationCode|FileChecksum' $sbom_file)"
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IFS=$'\n' file_checksums=($(sort <<<"${file_checksums[*]}")); unset IFS
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IFS= expected_package_verification_code=$(printf "${file_checksums[*]}" | sha1sum | sed 's/[[:space:]]*-//'); unset IFS
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actual_package_verification_code=$(grep PackageVerificationCode $sbom_file | sed 's/PackageVerificationCode: //g')
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if [ $actual_package_verification_code = $expected_package_verification_code ]
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then
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echo "Package verification code is correct."
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else
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echo "Unexpected package verification code."
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exit 1
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fi
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}
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function test_sbom_unbundled_apex {
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# Setup
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out_dir="$(setup)"
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# run_soong to build com.android.adbd.apex
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run_soong "module_arm64" "${out_dir}" "sbom deapexer" "com.android.adbd"
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deapexer=${out_dir}/host/linux-x86/bin/deapexer
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debugfs=${out_dir}/host/linux-x86/bin/debugfs_static
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apex_file=${out_dir}/target/product/module_arm64/system/apex/com.android.adbd.apex
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echo "============ Diffing files in $apex_file and SBOM"
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set +e
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# deapexer prints the list of all files and directories
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# sed extracts the file/directory names
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# grep removes directories
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# sed removes leading ./ in file names
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diff -I /system/apex/com.android.adbd.apex -I apex_manifest.pb \
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<($deapexer --debugfs_path=$debugfs list --extents ${apex_file} | sed -E 's#(.*) \[.*\]$#\1#' | grep -v "/$" | sed -E 's#^\./(.*)#\1#' | sort -n) \
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<(grep '"fileName": ' ${apex_file}.spdx.json | sed -E 's/.*"fileName": "(.*)",/\1/' | sort -n )
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if [ $? != "0" ]; then
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echo "Diffs found in $apex_file and SBOM"
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exit 1
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else
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echo "No diffs."
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fi
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set -e
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# Teardown
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cleanup "${out_dir}"
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}
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function test_sbom_unbundled_apk {
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# Setup
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out_dir="$(setup)"
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# run_soong to build Browser2.apk
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run_soong "module_arm64" "${out_dir}" "sbom" "Browser2"
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sbom_file=${out_dir}/target/product/module_arm64/system/product/app/Browser2/Browser2.apk.spdx.json
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echo "============ Diffing files in Browser2.apk and SBOM"
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set +e
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# There is only one file in SBOM of APKs
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diff \
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<(echo "/system/product/app/Browser2/Browser2.apk" ) \
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<(grep '"fileName": ' ${sbom_file} | sed -E 's/.*"fileName": "(.*)",/\1/' )
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if [ $? != "0" ]; then
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echo "Diffs found in $sbom_file"
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exit 1
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else
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echo "No diffs."
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fi
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set -e
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# Teardown
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cleanup "${out_dir}"
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}
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test_sbom_aosp_cf_x86_64_phone
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test_sbom_unbundled_apex
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test_sbom_unbundled_apk |