3cd005d347
1. Soong can now detect PRODUCT_COMPRESSED_APEX flag
We don't want APEX to be compressed on all devices. Only those that
have explicitely set PRODUCT_COMPRESSED_APEX flag.
2. Handle "compressible" field in soong build rule
On devices that supports APEX compression, all APEX will be
compressed by default. If any apex does not want to be compressed,
they will need to state that by setting "compressible" field to
false
3. Can use apex_compression_tool to compress APEX
Note we compress the APEX after it has been signed. That way, when
we decompress we will get a signed APEX.
4. Place the compressed APEX in system with .capex extension
This makes it easy to identify. We still preserve the original
extension so that when we decompress, we can just rename by cuttif
off the .capex extension.
Note: with this change, we can create a system image with compressed
APEX, but we cannot boot with it since platform doesn't know how to
handle .capex files. Platform support will be added on follow up CLs.
Bug: 172911362
Test: OVERRIDE_PRODUCT_COMPRESSED_APEX=true m (apex_test.go)
Test: observed $OUT/system/apex has .capex files
Change-Id: I20ac4c4ceb521924c751a6017f979b2d808fdded
950 lines
38 KiB
Go
950 lines
38 KiB
Go
// Copyright (C) 2019 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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package apex
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import (
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"encoding/json"
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"fmt"
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"path"
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"path/filepath"
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"runtime"
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"sort"
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"strconv"
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"strings"
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"android/soong/android"
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"android/soong/java"
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"github.com/google/blueprint"
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"github.com/google/blueprint/proptools"
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)
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var (
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pctx = android.NewPackageContext("android/apex")
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)
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func init() {
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pctx.Import("android/soong/android")
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pctx.Import("android/soong/cc/config")
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pctx.Import("android/soong/java")
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pctx.HostBinToolVariable("apexer", "apexer")
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// ART minimal builds (using the master-art manifest) do not have the "frameworks/base"
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// projects, and hence cannot build 'aapt2'. Use the SDK prebuilt instead.
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hostBinToolVariableWithPrebuilt := func(name, prebuiltDir, tool string) {
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pctx.VariableFunc(name, func(ctx android.PackageVarContext) string {
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if !ctx.Config().FrameworksBaseDirExists(ctx) {
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return filepath.Join(prebuiltDir, runtime.GOOS, "bin", tool)
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} else {
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return ctx.Config().HostToolPath(ctx, tool).String()
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}
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})
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}
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hostBinToolVariableWithPrebuilt("aapt2", "prebuilts/sdk/tools", "aapt2")
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pctx.HostBinToolVariable("avbtool", "avbtool")
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pctx.HostBinToolVariable("e2fsdroid", "e2fsdroid")
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pctx.HostBinToolVariable("merge_zips", "merge_zips")
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pctx.HostBinToolVariable("mke2fs", "mke2fs")
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pctx.HostBinToolVariable("resize2fs", "resize2fs")
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pctx.HostBinToolVariable("sefcontext_compile", "sefcontext_compile")
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pctx.HostBinToolVariable("soong_zip", "soong_zip")
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pctx.HostBinToolVariable("zip2zip", "zip2zip")
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pctx.HostBinToolVariable("zipalign", "zipalign")
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pctx.HostBinToolVariable("jsonmodify", "jsonmodify")
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pctx.HostBinToolVariable("conv_apex_manifest", "conv_apex_manifest")
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pctx.HostBinToolVariable("extract_apks", "extract_apks")
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pctx.HostBinToolVariable("make_f2fs", "make_f2fs")
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pctx.HostBinToolVariable("sload_f2fs", "sload_f2fs")
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pctx.HostBinToolVariable("apex_compression_tool", "apex_compression_tool")
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pctx.SourcePathVariable("genNdkUsedbyApexPath", "build/soong/scripts/gen_ndk_usedby_apex.sh")
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}
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var (
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// Create a canned fs config file where all files and directories are
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// by default set to (uid/gid/mode) = (1000/1000/0644)
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// TODO(b/113082813) make this configurable using config.fs syntax
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generateFsConfig = pctx.StaticRule("generateFsConfig", blueprint.RuleParams{
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Command: `( echo '/ 1000 1000 0755' ` +
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`&& for i in ${ro_paths}; do echo "/$$i 1000 1000 0644"; done ` +
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`&& for i in ${exec_paths}; do echo "/$$i 0 2000 0755"; done ` +
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`&& ( tr ' ' '\n' <${out}.apklist | for i in ${apk_paths}; do read apk; echo "/$$i 0 2000 0755"; zipinfo -1 $$apk | sed "s:\(.*\):/$$i/\1 1000 1000 0644:"; done ) ) > ${out}`,
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Description: "fs_config ${out}",
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Rspfile: "$out.apklist",
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RspfileContent: "$in",
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}, "ro_paths", "exec_paths", "apk_paths")
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apexManifestRule = pctx.StaticRule("apexManifestRule", blueprint.RuleParams{
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Command: `rm -f $out && ${jsonmodify} $in ` +
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`-a provideNativeLibs ${provideNativeLibs} ` +
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`-a requireNativeLibs ${requireNativeLibs} ` +
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`${opt} ` +
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`-o $out`,
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CommandDeps: []string{"${jsonmodify}"},
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Description: "prepare ${out}",
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}, "provideNativeLibs", "requireNativeLibs", "opt")
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stripApexManifestRule = pctx.StaticRule("stripApexManifestRule", blueprint.RuleParams{
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Command: `rm -f $out && ${conv_apex_manifest} strip $in -o $out`,
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CommandDeps: []string{"${conv_apex_manifest}"},
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Description: "strip ${in}=>${out}",
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})
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pbApexManifestRule = pctx.StaticRule("pbApexManifestRule", blueprint.RuleParams{
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Command: `rm -f $out && ${conv_apex_manifest} proto $in -o $out`,
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CommandDeps: []string{"${conv_apex_manifest}"},
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Description: "convert ${in}=>${out}",
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})
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// TODO(b/113233103): make sure that file_contexts is sane, i.e., validate
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// against the binary policy using sefcontext_compiler -p <policy>.
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// TODO(b/114327326): automate the generation of file_contexts
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apexRule = pctx.StaticRule("apexRule", blueprint.RuleParams{
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Command: `rm -rf ${image_dir} && mkdir -p ${image_dir} && ` +
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`(. ${out}.copy_commands) && ` +
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`APEXER_TOOL_PATH=${tool_path} ` +
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`${apexer} --force --manifest ${manifest} ` +
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`--file_contexts ${file_contexts} ` +
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`--canned_fs_config ${canned_fs_config} ` +
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`--include_build_info ` +
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`--payload_type image ` +
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`--key ${key} ${opt_flags} ${image_dir} ${out} `,
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CommandDeps: []string{"${apexer}", "${avbtool}", "${e2fsdroid}", "${merge_zips}",
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"${mke2fs}", "${resize2fs}", "${sefcontext_compile}", "${make_f2fs}", "${sload_f2fs}",
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"${soong_zip}", "${zipalign}", "${aapt2}", "prebuilts/sdk/current/public/android.jar"},
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Rspfile: "${out}.copy_commands",
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RspfileContent: "${copy_commands}",
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Description: "APEX ${image_dir} => ${out}",
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}, "tool_path", "image_dir", "copy_commands", "file_contexts", "canned_fs_config", "key", "opt_flags", "manifest", "payload_fs_type")
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zipApexRule = pctx.StaticRule("zipApexRule", blueprint.RuleParams{
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Command: `rm -rf ${image_dir} && mkdir -p ${image_dir} && ` +
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`(. ${out}.copy_commands) && ` +
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`APEXER_TOOL_PATH=${tool_path} ` +
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`${apexer} --force --manifest ${manifest} ` +
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`--payload_type zip ` +
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`${image_dir} ${out} `,
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CommandDeps: []string{"${apexer}", "${merge_zips}", "${soong_zip}", "${zipalign}", "${aapt2}"},
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Rspfile: "${out}.copy_commands",
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RspfileContent: "${copy_commands}",
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Description: "ZipAPEX ${image_dir} => ${out}",
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}, "tool_path", "image_dir", "copy_commands", "manifest")
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apexProtoConvertRule = pctx.AndroidStaticRule("apexProtoConvertRule",
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blueprint.RuleParams{
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Command: `${aapt2} convert --output-format proto $in -o $out`,
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CommandDeps: []string{"${aapt2}"},
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})
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apexBundleRule = pctx.StaticRule("apexBundleRule", blueprint.RuleParams{
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Command: `${zip2zip} -i $in -o $out.base ` +
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`apex_payload.img:apex/${abi}.img ` +
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`apex_build_info.pb:apex/${abi}.build_info.pb ` +
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`apex_manifest.json:root/apex_manifest.json ` +
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`apex_manifest.pb:root/apex_manifest.pb ` +
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`AndroidManifest.xml:manifest/AndroidManifest.xml ` +
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`assets/NOTICE.html.gz:assets/NOTICE.html.gz &&` +
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`${soong_zip} -o $out.config -C $$(dirname ${config}) -f ${config} && ` +
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`${merge_zips} $out $out.base $out.config`,
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CommandDeps: []string{"${zip2zip}", "${soong_zip}", "${merge_zips}"},
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Description: "app bundle",
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}, "abi", "config")
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emitApexContentRule = pctx.StaticRule("emitApexContentRule", blueprint.RuleParams{
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Command: `rm -f ${out} && touch ${out} && (. ${out}.emit_commands)`,
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Rspfile: "${out}.emit_commands",
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RspfileContent: "${emit_commands}",
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Description: "Emit APEX image content",
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}, "emit_commands")
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diffApexContentRule = pctx.StaticRule("diffApexContentRule", blueprint.RuleParams{
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Command: `diff --unchanged-group-format='' \` +
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`--changed-group-format='%<' \` +
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`${image_content_file} ${allowed_files_file} || (` +
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`echo -e "New unexpected files were added to ${apex_module_name}." ` +
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` "To fix the build run following command:" && ` +
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`echo "system/apex/tools/update_allowed_list.sh ${allowed_files_file} ${image_content_file}" && ` +
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`exit 1); touch ${out}`,
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Description: "Diff ${image_content_file} and ${allowed_files_file}",
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}, "image_content_file", "allowed_files_file", "apex_module_name")
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generateAPIsUsedbyApexRule = pctx.StaticRule("generateAPIsUsedbyApexRule", blueprint.RuleParams{
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Command: "$genNdkUsedbyApexPath ${image_dir} ${readelf} ${out}",
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CommandDeps: []string{"${genNdkUsedbyApexPath}"},
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Description: "Generate symbol list used by Apex",
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}, "image_dir", "readelf")
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// Don't add more rules here. Consider using android.NewRuleBuilder instead.
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)
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// buildManifest creates buile rules to modify the input apex_manifest.json to add information
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// gathered by the build system such as provided/required native libraries. Two output files having
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// different formats are generated. a.manifestJsonOut is JSON format for Q devices, and
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// a.manifest.PbOut is protobuf format for R+ devices.
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// TODO(jiyong): make this to return paths instead of directly storing the paths to apexBundle
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func (a *apexBundle) buildManifest(ctx android.ModuleContext, provideNativeLibs, requireNativeLibs []string) {
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src := android.PathForModuleSrc(ctx, proptools.StringDefault(a.properties.Manifest, "apex_manifest.json"))
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// Put dependency({provide|require}NativeLibs) in apex_manifest.json
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provideNativeLibs = android.SortedUniqueStrings(provideNativeLibs)
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requireNativeLibs = android.SortedUniqueStrings(android.RemoveListFromList(requireNativeLibs, provideNativeLibs))
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// APEX name can be overridden
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optCommands := []string{}
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if a.properties.Apex_name != nil {
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optCommands = append(optCommands, "-v name "+*a.properties.Apex_name)
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}
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// Collect jniLibs. Notice that a.filesInfo is already sorted
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var jniLibs []string
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for _, fi := range a.filesInfo {
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if fi.isJniLib && !android.InList(fi.stem(), jniLibs) {
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jniLibs = append(jniLibs, fi.stem())
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}
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}
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if len(jniLibs) > 0 {
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optCommands = append(optCommands, "-a jniLibs "+strings.Join(jniLibs, " "))
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}
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manifestJsonFullOut := android.PathForModuleOut(ctx, "apex_manifest_full.json")
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ctx.Build(pctx, android.BuildParams{
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Rule: apexManifestRule,
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Input: src,
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Output: manifestJsonFullOut,
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Args: map[string]string{
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"provideNativeLibs": strings.Join(provideNativeLibs, " "),
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"requireNativeLibs": strings.Join(requireNativeLibs, " "),
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"opt": strings.Join(optCommands, " "),
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},
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})
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// b/143654022 Q apexd can't understand newly added keys in apex_manifest.json prepare
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// stripped-down version so that APEX modules built from R+ can be installed to Q
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minSdkVersion := a.minSdkVersion(ctx)
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if minSdkVersion.EqualTo(android.SdkVersion_Android10) {
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a.manifestJsonOut = android.PathForModuleOut(ctx, "apex_manifest.json")
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ctx.Build(pctx, android.BuildParams{
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Rule: stripApexManifestRule,
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Input: manifestJsonFullOut,
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Output: a.manifestJsonOut,
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})
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}
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// From R+, protobuf binary format (.pb) is the standard format for apex_manifest
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a.manifestPbOut = android.PathForModuleOut(ctx, "apex_manifest.pb")
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ctx.Build(pctx, android.BuildParams{
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Rule: pbApexManifestRule,
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Input: manifestJsonFullOut,
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Output: a.manifestPbOut,
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})
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}
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// buildFileContexts create build rules to append an entry for apex_manifest.pb to the file_contexts
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// file for this APEX which is either from /systme/sepolicy/apex/<apexname>-file_contexts or from
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// the file_contexts property of this APEX. This is to make sure that the manifest file is correctly
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// labeled as system_file.
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func (a *apexBundle) buildFileContexts(ctx android.ModuleContext) android.OutputPath {
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var fileContexts android.Path
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if a.properties.File_contexts == nil {
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fileContexts = android.PathForSource(ctx, "system/sepolicy/apex", ctx.ModuleName()+"-file_contexts")
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} else {
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fileContexts = android.PathForModuleSrc(ctx, *a.properties.File_contexts)
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}
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if a.Platform() {
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if matched, err := path.Match("system/sepolicy/**/*", fileContexts.String()); err != nil || !matched {
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ctx.PropertyErrorf("file_contexts", "should be under system/sepolicy, but %q", fileContexts)
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}
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}
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if !android.ExistentPathForSource(ctx, fileContexts.String()).Valid() {
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ctx.PropertyErrorf("file_contexts", "cannot find file_contexts file: %q", fileContexts.String())
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}
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output := android.PathForModuleOut(ctx, "file_contexts")
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rule := android.NewRuleBuilder(pctx, ctx)
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switch a.properties.ApexType {
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case imageApex:
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// remove old file
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rule.Command().Text("rm").FlagWithOutput("-f ", output)
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// copy file_contexts
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rule.Command().Text("cat").Input(fileContexts).Text(">>").Output(output)
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// new line
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rule.Command().Text("echo").Text(">>").Output(output)
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// force-label /apex_manifest.pb and / as system_file so that apexd can read them
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rule.Command().Text("echo").Flag("/apex_manifest\\\\.pb u:object_r:system_file:s0").Text(">>").Output(output)
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rule.Command().Text("echo").Flag("/ u:object_r:system_file:s0").Text(">>").Output(output)
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case flattenedApex:
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// For flattened apexes, install path should be prepended.
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// File_contexts file should be emiited to make via LOCAL_FILE_CONTEXTS
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// so that it can be merged into file_contexts.bin
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apexPath := android.InstallPathToOnDevicePath(ctx, a.installDir.Join(ctx, a.Name()))
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apexPath = strings.ReplaceAll(apexPath, ".", `\\.`)
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// remove old file
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rule.Command().Text("rm").FlagWithOutput("-f ", output)
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// copy file_contexts
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rule.Command().Text("awk").Text(`'/object_r/{printf("` + apexPath + `%s\n", $0)}'`).Input(fileContexts).Text(">").Output(output)
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// new line
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rule.Command().Text("echo").Text(">>").Output(output)
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// force-label /apex_manifest.pb and / as system_file so that apexd can read them
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rule.Command().Text("echo").Flag(apexPath + `/apex_manifest\\.pb u:object_r:system_file:s0`).Text(">>").Output(output)
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rule.Command().Text("echo").Flag(apexPath + "/ u:object_r:system_file:s0").Text(">>").Output(output)
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default:
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panic(fmt.Errorf("unsupported type %v", a.properties.ApexType))
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}
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rule.Build("file_contexts."+a.Name(), "Generate file_contexts")
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return output.OutputPath
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}
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// buildNoticeFiles creates a buile rule for aggregating notice files from the modules that
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// contributes to this APEX. The notice files are merged into a big notice file.
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func (a *apexBundle) buildNoticeFiles(ctx android.ModuleContext, apexFileName string) android.NoticeOutputs {
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var noticeFiles android.Paths
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a.WalkPayloadDeps(ctx, func(ctx android.ModuleContext, from blueprint.Module, to android.ApexModule, externalDep bool) bool {
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if externalDep {
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// As soon as the dependency graph crosses the APEX boundary, don't go further.
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return false
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}
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noticeFiles = append(noticeFiles, to.NoticeFiles()...)
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return true
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})
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// TODO(jiyong): why do we need this? WalkPayloadDeps should have already covered this.
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for _, fi := range a.filesInfo {
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noticeFiles = append(noticeFiles, fi.noticeFiles...)
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}
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if len(noticeFiles) == 0 {
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return android.NoticeOutputs{}
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}
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return android.BuildNoticeOutput(ctx, a.installDir, apexFileName, android.SortedUniquePaths(noticeFiles))
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}
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// buildInstalledFilesFile creates a build rule for the installed-files.txt file where the list of
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// files included in this APEX is shown. The text file is dist'ed so that people can see what's
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// included in the APEX without actually downloading and extracting it.
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func (a *apexBundle) buildInstalledFilesFile(ctx android.ModuleContext, builtApex android.Path, imageDir android.Path) android.OutputPath {
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output := android.PathForModuleOut(ctx, "installed-files.txt")
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rule := android.NewRuleBuilder(pctx, ctx)
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rule.Command().
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Implicit(builtApex).
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Text("(cd " + imageDir.String() + " ; ").
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Text("find . \\( -type f -o -type l \\) -printf \"%s %p\\n\") ").
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Text(" | sort -nr > ").
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Output(output)
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rule.Build("installed-files."+a.Name(), "Installed files")
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return output.OutputPath
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}
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// buildBundleConfig creates a build rule for the bundle config file that will control the bundle
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// creation process.
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func (a *apexBundle) buildBundleConfig(ctx android.ModuleContext) android.OutputPath {
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output := android.PathForModuleOut(ctx, "bundle_config.json")
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type ApkConfig struct {
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Package_name string `json:"package_name"`
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Apk_path string `json:"path"`
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}
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config := struct {
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Compression struct {
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Uncompressed_glob []string `json:"uncompressed_glob"`
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} `json:"compression"`
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Apex_config struct {
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Apex_embedded_apk_config []ApkConfig `json:"apex_embedded_apk_config,omitempty"`
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} `json:"apex_config,omitempty"`
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}{}
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config.Compression.Uncompressed_glob = []string{
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"apex_payload.img",
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"apex_manifest.*",
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}
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// Collect the manifest names and paths of android apps if their manifest names are
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// overridden.
|
|
for _, fi := range a.filesInfo {
|
|
if fi.class != app && fi.class != appSet {
|
|
continue
|
|
}
|
|
packageName := fi.overriddenPackageName
|
|
if packageName != "" {
|
|
config.Apex_config.Apex_embedded_apk_config = append(
|
|
config.Apex_config.Apex_embedded_apk_config,
|
|
ApkConfig{
|
|
Package_name: packageName,
|
|
Apk_path: fi.path(),
|
|
})
|
|
}
|
|
}
|
|
|
|
j, err := json.Marshal(config)
|
|
if err != nil {
|
|
panic(fmt.Errorf("error while marshalling to %q: %#v", output, err))
|
|
}
|
|
|
|
android.WriteFileRule(ctx, output, string(j))
|
|
|
|
return output.OutputPath
|
|
}
|
|
|
|
// buildUnflattendApex creates build rules to build an APEX using apexer.
|
|
func (a *apexBundle) buildUnflattenedApex(ctx android.ModuleContext) {
|
|
apexType := a.properties.ApexType
|
|
suffix := apexType.suffix()
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Step 1: copy built files to appropriate directories under the image directory
|
|
|
|
imageDir := android.PathForModuleOut(ctx, "image"+suffix)
|
|
|
|
// TODO(jiyong): use the RuleBuilder
|
|
var copyCommands []string
|
|
var implicitInputs []android.Path
|
|
for _, fi := range a.filesInfo {
|
|
destPath := imageDir.Join(ctx, fi.path()).String()
|
|
|
|
// Prepare the destination path
|
|
destPathDir := filepath.Dir(destPath)
|
|
if fi.class == appSet {
|
|
copyCommands = append(copyCommands, "rm -rf "+destPathDir)
|
|
}
|
|
copyCommands = append(copyCommands, "mkdir -p "+destPathDir)
|
|
|
|
// Copy the built file to the directory. But if the symlink optimization is turned
|
|
// on, place a symlink to the corresponding file in /system partition instead.
|
|
if a.linkToSystemLib && fi.transitiveDep && fi.availableToPlatform() {
|
|
// TODO(jiyong): pathOnDevice should come from fi.module, not being calculated here
|
|
pathOnDevice := filepath.Join("/system", fi.path())
|
|
copyCommands = append(copyCommands, "ln -sfn "+pathOnDevice+" "+destPath)
|
|
} else {
|
|
if fi.class == appSet {
|
|
copyCommands = append(copyCommands,
|
|
fmt.Sprintf("unzip -qDD -d %s %s", destPathDir, fi.builtFile.String()))
|
|
} else {
|
|
copyCommands = append(copyCommands, "cp -f "+fi.builtFile.String()+" "+destPath)
|
|
}
|
|
implicitInputs = append(implicitInputs, fi.builtFile)
|
|
}
|
|
|
|
// Create additional symlinks pointing the file inside the APEX (if any). Note that
|
|
// this is independent from the symlink optimization.
|
|
for _, symlinkPath := range fi.symlinkPaths() {
|
|
symlinkDest := imageDir.Join(ctx, symlinkPath).String()
|
|
copyCommands = append(copyCommands, "ln -sfn "+filepath.Base(destPath)+" "+symlinkDest)
|
|
}
|
|
|
|
// Copy the test files (if any)
|
|
for _, d := range fi.dataPaths {
|
|
// TODO(eakammer): This is now the third repetition of ~this logic for test paths, refactoring should be possible
|
|
relPath := d.SrcPath.Rel()
|
|
dataPath := d.SrcPath.String()
|
|
if !strings.HasSuffix(dataPath, relPath) {
|
|
panic(fmt.Errorf("path %q does not end with %q", dataPath, relPath))
|
|
}
|
|
|
|
dataDest := imageDir.Join(ctx, fi.apexRelativePath(relPath), d.RelativeInstallPath).String()
|
|
|
|
copyCommands = append(copyCommands, "cp -f "+d.SrcPath.String()+" "+dataDest)
|
|
implicitInputs = append(implicitInputs, d.SrcPath)
|
|
}
|
|
}
|
|
implicitInputs = append(implicitInputs, a.manifestPbOut)
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Step 1.a: Write the list of files in this APEX to a txt file and compare it against
|
|
// the allowed list given via the allowed_files property. Build fails when the two lists
|
|
// differ.
|
|
//
|
|
// TODO(jiyong): consider removing this. Nobody other than com.android.apex.cts.shim.* seems
|
|
// to be using this at this moment. Furthermore, this looks very similar to what
|
|
// buildInstalledFilesFile does. At least, move this to somewhere else so that this doesn't
|
|
// hurt readability.
|
|
// TODO(jiyong): use RuleBuilder
|
|
if a.overridableProperties.Allowed_files != nil {
|
|
// Build content.txt
|
|
var emitCommands []string
|
|
imageContentFile := android.PathForModuleOut(ctx, "content.txt")
|
|
emitCommands = append(emitCommands, "echo ./apex_manifest.pb >> "+imageContentFile.String())
|
|
minSdkVersion := a.minSdkVersion(ctx)
|
|
if minSdkVersion.EqualTo(android.SdkVersion_Android10) {
|
|
emitCommands = append(emitCommands, "echo ./apex_manifest.json >> "+imageContentFile.String())
|
|
}
|
|
for _, fi := range a.filesInfo {
|
|
emitCommands = append(emitCommands, "echo './"+fi.path()+"' >> "+imageContentFile.String())
|
|
}
|
|
emitCommands = append(emitCommands, "sort -o "+imageContentFile.String()+" "+imageContentFile.String())
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: emitApexContentRule,
|
|
Implicits: implicitInputs,
|
|
Output: imageContentFile,
|
|
Description: "emit apex image content",
|
|
Args: map[string]string{
|
|
"emit_commands": strings.Join(emitCommands, " && "),
|
|
},
|
|
})
|
|
implicitInputs = append(implicitInputs, imageContentFile)
|
|
|
|
// Compare content.txt against allowed_files.
|
|
allowedFilesFile := android.PathForModuleSrc(ctx, proptools.String(a.overridableProperties.Allowed_files))
|
|
phonyOutput := android.PathForModuleOut(ctx, a.Name()+"-diff-phony-output")
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: diffApexContentRule,
|
|
Implicits: implicitInputs,
|
|
Output: phonyOutput,
|
|
Description: "diff apex image content",
|
|
Args: map[string]string{
|
|
"allowed_files_file": allowedFilesFile.String(),
|
|
"image_content_file": imageContentFile.String(),
|
|
"apex_module_name": a.Name(),
|
|
},
|
|
})
|
|
implicitInputs = append(implicitInputs, phonyOutput)
|
|
}
|
|
|
|
unsignedOutputFile := android.PathForModuleOut(ctx, a.Name()+suffix+".unsigned")
|
|
outHostBinDir := android.PathForOutput(ctx, "host", ctx.Config().PrebuiltOS(), "bin").String()
|
|
prebuiltSdkToolsBinDir := filepath.Join("prebuilts", "sdk", "tools", runtime.GOOS, "bin")
|
|
|
|
if apexType == imageApex {
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
// Step 2: create canned_fs_config which encodes filemode,uid,gid of each files
|
|
// in this APEX. The file will be used by apexer in later steps.
|
|
// TODO(jiyong): make this as a function
|
|
// TODO(jiyong): use the RuleBuilder
|
|
var readOnlyPaths = []string{"apex_manifest.json", "apex_manifest.pb"}
|
|
var executablePaths []string // this also includes dirs
|
|
var extractedAppSetPaths android.Paths
|
|
var extractedAppSetDirs []string
|
|
for _, f := range a.filesInfo {
|
|
pathInApex := f.path()
|
|
if f.installDir == "bin" || strings.HasPrefix(f.installDir, "bin/") {
|
|
executablePaths = append(executablePaths, pathInApex)
|
|
for _, d := range f.dataPaths {
|
|
readOnlyPaths = append(readOnlyPaths, filepath.Join(f.installDir, d.RelativeInstallPath, d.SrcPath.Rel()))
|
|
}
|
|
for _, s := range f.symlinks {
|
|
executablePaths = append(executablePaths, filepath.Join(f.installDir, s))
|
|
}
|
|
} else if f.class == appSet {
|
|
extractedAppSetPaths = append(extractedAppSetPaths, f.builtFile)
|
|
extractedAppSetDirs = append(extractedAppSetDirs, f.installDir)
|
|
} else {
|
|
readOnlyPaths = append(readOnlyPaths, pathInApex)
|
|
}
|
|
dir := f.installDir
|
|
for !android.InList(dir, executablePaths) && dir != "" {
|
|
executablePaths = append(executablePaths, dir)
|
|
dir, _ = filepath.Split(dir) // move up to the parent
|
|
if len(dir) > 0 {
|
|
// remove trailing slash
|
|
dir = dir[:len(dir)-1]
|
|
}
|
|
}
|
|
}
|
|
sort.Strings(readOnlyPaths)
|
|
sort.Strings(executablePaths)
|
|
cannedFsConfig := android.PathForModuleOut(ctx, "canned_fs_config")
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: generateFsConfig,
|
|
Output: cannedFsConfig,
|
|
Description: "generate fs config",
|
|
Inputs: extractedAppSetPaths,
|
|
Args: map[string]string{
|
|
"ro_paths": strings.Join(readOnlyPaths, " "),
|
|
"exec_paths": strings.Join(executablePaths, " "),
|
|
"apk_paths": strings.Join(extractedAppSetDirs, " "),
|
|
},
|
|
})
|
|
implicitInputs = append(implicitInputs, cannedFsConfig)
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
// Step 3: Prepare option flags for apexer and invoke it to create an unsigned APEX.
|
|
// TODO(jiyong): use the RuleBuilder
|
|
optFlags := []string{}
|
|
|
|
fileContexts := a.buildFileContexts(ctx)
|
|
implicitInputs = append(implicitInputs, fileContexts)
|
|
|
|
implicitInputs = append(implicitInputs, a.private_key_file, a.public_key_file)
|
|
optFlags = append(optFlags, "--pubkey "+a.public_key_file.String())
|
|
|
|
manifestPackageName := a.getOverrideManifestPackageName(ctx)
|
|
if manifestPackageName != "" {
|
|
optFlags = append(optFlags, "--override_apk_package_name "+manifestPackageName)
|
|
}
|
|
|
|
if a.properties.AndroidManifest != nil {
|
|
androidManifestFile := android.PathForModuleSrc(ctx, proptools.String(a.properties.AndroidManifest))
|
|
implicitInputs = append(implicitInputs, androidManifestFile)
|
|
optFlags = append(optFlags, "--android_manifest "+androidManifestFile.String())
|
|
}
|
|
|
|
// Determine target/min sdk version from the context
|
|
// TODO(jiyong): make this as a function
|
|
moduleMinSdkVersion := a.minSdkVersion(ctx)
|
|
minSdkVersion := moduleMinSdkVersion.String()
|
|
|
|
// bundletool doesn't understand what "current" is. We need to transform it to
|
|
// codename
|
|
if moduleMinSdkVersion.IsCurrent() {
|
|
minSdkVersion = ctx.Config().DefaultAppTargetSdk(ctx).String()
|
|
}
|
|
// apex module doesn't have a concept of target_sdk_version, hence for the time
|
|
// being targetSdkVersion == default targetSdkVersion of the branch.
|
|
targetSdkVersion := strconv.Itoa(ctx.Config().DefaultAppTargetSdk(ctx).FinalOrFutureInt())
|
|
|
|
if java.UseApiFingerprint(ctx) {
|
|
targetSdkVersion = ctx.Config().PlatformSdkCodename() + fmt.Sprintf(".$$(cat %s)", java.ApiFingerprintPath(ctx).String())
|
|
implicitInputs = append(implicitInputs, java.ApiFingerprintPath(ctx))
|
|
}
|
|
if java.UseApiFingerprint(ctx) {
|
|
minSdkVersion = ctx.Config().PlatformSdkCodename() + fmt.Sprintf(".$$(cat %s)", java.ApiFingerprintPath(ctx).String())
|
|
implicitInputs = append(implicitInputs, java.ApiFingerprintPath(ctx))
|
|
}
|
|
optFlags = append(optFlags, "--target_sdk_version "+targetSdkVersion)
|
|
optFlags = append(optFlags, "--min_sdk_version "+minSdkVersion)
|
|
|
|
if a.overridableProperties.Logging_parent != "" {
|
|
optFlags = append(optFlags, "--logging_parent ", a.overridableProperties.Logging_parent)
|
|
}
|
|
|
|
a.mergedNotices = a.buildNoticeFiles(ctx, a.Name()+suffix)
|
|
if a.mergedNotices.HtmlGzOutput.Valid() {
|
|
// If there's a NOTICE file, embed it as an asset file in the APEX.
|
|
implicitInputs = append(implicitInputs, a.mergedNotices.HtmlGzOutput.Path())
|
|
optFlags = append(optFlags, "--assets_dir "+filepath.Dir(a.mergedNotices.HtmlGzOutput.String()))
|
|
}
|
|
|
|
if ctx.ModuleDir() != "system/apex/apexd/apexd_testdata" && ctx.ModuleDir() != "system/apex/shim/build" && a.testOnlyShouldSkipHashtreeGeneration() {
|
|
ctx.PropertyErrorf("test_only_no_hashtree", "not available")
|
|
return
|
|
}
|
|
if moduleMinSdkVersion.GreaterThan(android.SdkVersion_Android10) || a.testOnlyShouldSkipHashtreeGeneration() {
|
|
// Apexes which are supposed to be installed in builtin dirs(/system, etc)
|
|
// don't need hashtree for activation. Therefore, by removing hashtree from
|
|
// apex bundle (filesystem image in it, to be specific), we can save storage.
|
|
optFlags = append(optFlags, "--no_hashtree")
|
|
}
|
|
|
|
if a.testOnlyShouldSkipPayloadSign() {
|
|
optFlags = append(optFlags, "--unsigned_payload")
|
|
}
|
|
|
|
if a.properties.Apex_name != nil {
|
|
// If apex_name is set, apexer can skip checking if key name matches with
|
|
// apex name. Note that apex_manifest is also mended.
|
|
optFlags = append(optFlags, "--do_not_check_keyname")
|
|
}
|
|
|
|
if moduleMinSdkVersion == android.SdkVersion_Android10 {
|
|
implicitInputs = append(implicitInputs, a.manifestJsonOut)
|
|
optFlags = append(optFlags, "--manifest_json "+a.manifestJsonOut.String())
|
|
}
|
|
|
|
optFlags = append(optFlags, "--payload_fs_type "+a.payloadFsType.string())
|
|
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: apexRule,
|
|
Implicits: implicitInputs,
|
|
Output: unsignedOutputFile,
|
|
Description: "apex (" + apexType.name() + ")",
|
|
Args: map[string]string{
|
|
"tool_path": outHostBinDir + ":" + prebuiltSdkToolsBinDir,
|
|
"image_dir": imageDir.String(),
|
|
"copy_commands": strings.Join(copyCommands, " && "),
|
|
"manifest": a.manifestPbOut.String(),
|
|
"file_contexts": fileContexts.String(),
|
|
"canned_fs_config": cannedFsConfig.String(),
|
|
"key": a.private_key_file.String(),
|
|
"opt_flags": strings.Join(optFlags, " "),
|
|
},
|
|
})
|
|
|
|
// TODO(jiyong): make the two rules below as separate functions
|
|
apexProtoFile := android.PathForModuleOut(ctx, a.Name()+".pb"+suffix)
|
|
bundleModuleFile := android.PathForModuleOut(ctx, a.Name()+suffix+"-base.zip")
|
|
a.bundleModuleFile = bundleModuleFile
|
|
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: apexProtoConvertRule,
|
|
Input: unsignedOutputFile,
|
|
Output: apexProtoFile,
|
|
Description: "apex proto convert",
|
|
})
|
|
|
|
implicitInputs = append(implicitInputs, unsignedOutputFile)
|
|
|
|
// Run coverage analysis
|
|
apisUsedbyOutputFile := android.PathForModuleOut(ctx, a.Name()+".txt")
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: generateAPIsUsedbyApexRule,
|
|
Implicits: implicitInputs,
|
|
Description: "coverage",
|
|
Output: apisUsedbyOutputFile,
|
|
Args: map[string]string{
|
|
"image_dir": imageDir.String(),
|
|
"readelf": "${config.ClangBin}/llvm-readelf",
|
|
},
|
|
})
|
|
a.coverageOutputPath = apisUsedbyOutputFile
|
|
|
|
bundleConfig := a.buildBundleConfig(ctx)
|
|
|
|
var abis []string
|
|
for _, target := range ctx.MultiTargets() {
|
|
if len(target.Arch.Abi) > 0 {
|
|
abis = append(abis, target.Arch.Abi[0])
|
|
}
|
|
}
|
|
|
|
abis = android.FirstUniqueStrings(abis)
|
|
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: apexBundleRule,
|
|
Input: apexProtoFile,
|
|
Implicit: bundleConfig,
|
|
Output: a.bundleModuleFile,
|
|
Description: "apex bundle module",
|
|
Args: map[string]string{
|
|
"abi": strings.Join(abis, "."),
|
|
"config": bundleConfig.String(),
|
|
},
|
|
})
|
|
} else { // zipApex
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: zipApexRule,
|
|
Implicits: implicitInputs,
|
|
Output: unsignedOutputFile,
|
|
Description: "apex (" + apexType.name() + ")",
|
|
Args: map[string]string{
|
|
"tool_path": outHostBinDir + ":" + prebuiltSdkToolsBinDir,
|
|
"image_dir": imageDir.String(),
|
|
"copy_commands": strings.Join(copyCommands, " && "),
|
|
"manifest": a.manifestPbOut.String(),
|
|
},
|
|
})
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////
|
|
// Step 4: Sign the APEX using signapk
|
|
signedOutputFile := android.PathForModuleOut(ctx, a.Name()+suffix)
|
|
|
|
pem, key := a.getCertificateAndPrivateKey(ctx)
|
|
rule := java.Signapk
|
|
args := map[string]string{
|
|
"certificates": pem.String() + " " + key.String(),
|
|
"flags": "-a 4096", //alignment
|
|
}
|
|
implicits := android.Paths{pem, key}
|
|
if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_SIGNAPK") {
|
|
rule = java.SignapkRE
|
|
args["implicits"] = strings.Join(implicits.Strings(), ",")
|
|
args["outCommaList"] = signedOutputFile.String()
|
|
}
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: rule,
|
|
Description: "signapk",
|
|
Output: signedOutputFile,
|
|
Input: unsignedOutputFile,
|
|
Implicits: implicits,
|
|
Args: args,
|
|
})
|
|
a.outputFile = signedOutputFile
|
|
|
|
// Process APEX compression if enabled
|
|
compressionEnabled := ctx.Config().CompressedApex() && proptools.BoolDefault(a.properties.Compressible, true)
|
|
if compressionEnabled && apexType == imageApex {
|
|
a.isCompressed = true
|
|
unsignedCompressedOutputFile := android.PathForModuleOut(ctx, a.Name()+".capex.unsigned")
|
|
|
|
compressRule := android.NewRuleBuilder(pctx, ctx)
|
|
compressRule.Command().
|
|
Text("rm").
|
|
FlagWithOutput("-f ", unsignedCompressedOutputFile)
|
|
compressRule.Command().
|
|
BuiltTool("apex_compression_tool").
|
|
Flag("compress").
|
|
FlagWithArg("--apex_compression_tool ", outHostBinDir+":"+prebuiltSdkToolsBinDir).
|
|
FlagWithInput("--input ", signedOutputFile).
|
|
FlagWithOutput("--output ", unsignedCompressedOutputFile)
|
|
compressRule.Build("compressRule", "Generate unsigned compressed APEX file")
|
|
|
|
signedCompressedOutputFile := android.PathForModuleOut(ctx, a.Name()+".capex")
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: rule,
|
|
Description: "sign compressedApex",
|
|
Output: signedCompressedOutputFile,
|
|
Input: unsignedCompressedOutputFile,
|
|
Implicits: implicits,
|
|
Args: args,
|
|
})
|
|
a.outputFile = signedCompressedOutputFile
|
|
}
|
|
|
|
// Install to $OUT/soong/{target,host}/.../apex
|
|
if a.installable() {
|
|
ctx.InstallFile(a.installDir, a.Name()+suffix, a.outputFile)
|
|
}
|
|
|
|
// installed-files.txt is dist'ed
|
|
a.installedFilesFile = a.buildInstalledFilesFile(ctx, a.outputFile, imageDir)
|
|
}
|
|
|
|
// Context "decorator", overriding the InstallBypassMake method to always reply `true`.
|
|
type flattenedApexContext struct {
|
|
android.ModuleContext
|
|
}
|
|
|
|
func (c *flattenedApexContext) InstallBypassMake() bool {
|
|
return true
|
|
}
|
|
|
|
// buildFlattenedApex creates rules for a flattened APEX. Flattened APEX actually doesn't have a
|
|
// single output file. It is a phony target for all the files under /system/apex/<name> directory.
|
|
// This function creates the installation rules for the files.
|
|
func (a *apexBundle) buildFlattenedApex(ctx android.ModuleContext) {
|
|
bundleName := a.Name()
|
|
if a.installable() {
|
|
for _, fi := range a.filesInfo {
|
|
dir := filepath.Join("apex", bundleName, fi.installDir)
|
|
target := ctx.InstallFile(android.PathForModuleInstall(ctx, dir), fi.stem(), fi.builtFile)
|
|
for _, sym := range fi.symlinks {
|
|
ctx.InstallSymlink(android.PathForModuleInstall(ctx, dir), sym, target)
|
|
}
|
|
}
|
|
}
|
|
|
|
a.fileContexts = a.buildFileContexts(ctx)
|
|
|
|
// Temporarily wrap the original `ctx` into a `flattenedApexContext` to have it reply true
|
|
// to `InstallBypassMake()` (thus making the call `android.PathForModuleInstall` below use
|
|
// `android.pathForInstallInMakeDir` instead of `android.PathForOutput`) to return the
|
|
// correct path to the flattened APEX (as its contents is installed by Make, not Soong).
|
|
// TODO(jiyong): Why do we need to set outputFile for flattened APEX? We don't seem to use
|
|
// it and it actually points to a path that can never be built. Remove this.
|
|
factx := flattenedApexContext{ctx}
|
|
a.outputFile = android.PathForModuleInstall(&factx, "apex", bundleName)
|
|
}
|
|
|
|
// getCertificateAndPrivateKey retrieves the cert and the private key that will be used to sign
|
|
// the zip container of this APEX. See the description of the 'certificate' property for how
|
|
// the cert and the private key are found.
|
|
func (a *apexBundle) getCertificateAndPrivateKey(ctx android.PathContext) (pem, key android.Path) {
|
|
if a.container_certificate_file != nil {
|
|
return a.container_certificate_file, a.container_private_key_file
|
|
}
|
|
|
|
cert := String(a.properties.Certificate)
|
|
if cert == "" {
|
|
return ctx.Config().DefaultAppCertificate(ctx)
|
|
}
|
|
|
|
defaultDir := ctx.Config().DefaultAppCertificateDir(ctx)
|
|
pem = defaultDir.Join(ctx, cert+".x509.pem")
|
|
key = defaultDir.Join(ctx, cert+".pk8")
|
|
return pem, key
|
|
}
|
|
|
|
func (a *apexBundle) getOverrideManifestPackageName(ctx android.ModuleContext) string {
|
|
// For VNDK APEXes, check "com.android.vndk" in PRODUCT_MANIFEST_PACKAGE_NAME_OVERRIDES
|
|
// to see if it should be overridden because their <apex name> is dynamically generated
|
|
// according to its VNDK version.
|
|
if a.vndkApex {
|
|
overrideName, overridden := ctx.DeviceConfig().OverrideManifestPackageNameFor(vndkApexName)
|
|
if overridden {
|
|
return strings.Replace(*a.properties.Apex_name, vndkApexName, overrideName, 1)
|
|
}
|
|
return ""
|
|
}
|
|
if a.overridableProperties.Package_name != "" {
|
|
return a.overridableProperties.Package_name
|
|
}
|
|
manifestPackageName, overridden := ctx.DeviceConfig().OverrideManifestPackageNameFor(ctx.ModuleName())
|
|
if overridden {
|
|
return manifestPackageName
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func (a *apexBundle) buildApexDependencyInfo(ctx android.ModuleContext) {
|
|
if !a.primaryApexType {
|
|
return
|
|
}
|
|
|
|
if a.properties.IsCoverageVariant {
|
|
// Otherwise, we will have duplicated rules for coverage and
|
|
// non-coverage variants of the same APEX
|
|
return
|
|
}
|
|
|
|
if ctx.Host() {
|
|
// No need to generate dependency info for host variant
|
|
return
|
|
}
|
|
|
|
depInfos := android.DepNameToDepInfoMap{}
|
|
a.WalkPayloadDeps(ctx, func(ctx android.ModuleContext, from blueprint.Module, to android.ApexModule, externalDep bool) bool {
|
|
if from.Name() == to.Name() {
|
|
// This can happen for cc.reuseObjTag. We are not interested in tracking this.
|
|
// As soon as the dependency graph crosses the APEX boundary, don't go further.
|
|
return !externalDep
|
|
}
|
|
|
|
if info, exists := depInfos[to.Name()]; exists {
|
|
if !android.InList(from.Name(), info.From) {
|
|
info.From = append(info.From, from.Name())
|
|
}
|
|
info.IsExternal = info.IsExternal && externalDep
|
|
depInfos[to.Name()] = info
|
|
} else {
|
|
toMinSdkVersion := "(no version)"
|
|
if m, ok := to.(interface{ MinSdkVersion() string }); ok {
|
|
if v := m.MinSdkVersion(); v != "" {
|
|
toMinSdkVersion = v
|
|
}
|
|
}
|
|
|
|
depInfos[to.Name()] = android.ApexModuleDepInfo{
|
|
To: to.Name(),
|
|
From: []string{from.Name()},
|
|
IsExternal: externalDep,
|
|
MinSdkVersion: toMinSdkVersion,
|
|
}
|
|
}
|
|
|
|
// As soon as the dependency graph crosses the APEX boundary, don't go further.
|
|
return !externalDep
|
|
})
|
|
|
|
a.ApexBundleDepsInfo.BuildDepsInfoLists(ctx, proptools.String(a.properties.Min_sdk_version), depInfos)
|
|
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: android.Phony,
|
|
Output: android.PathForPhony(ctx, a.Name()+"-deps-info"),
|
|
Inputs: []android.Path{
|
|
a.ApexBundleDepsInfo.FullListPath(),
|
|
a.ApexBundleDepsInfo.FlatListPath(),
|
|
},
|
|
})
|
|
}
|
|
|
|
func (a *apexBundle) buildLintReports(ctx android.ModuleContext) {
|
|
depSetsBuilder := java.NewLintDepSetBuilder()
|
|
for _, fi := range a.filesInfo {
|
|
depSetsBuilder.Transitive(fi.lintDepSets)
|
|
}
|
|
|
|
a.lintReports = java.BuildModuleLintReportZips(ctx, depSetsBuilder.Build())
|
|
}
|