995 lines
40 KiB
Go
995 lines
40 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.
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for _, fi := range a.filesInfo {
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if fi.class != app && fi.class != appSet {
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continue
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}
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packageName := fi.overriddenPackageName
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if packageName != "" {
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config.Apex_config.Apex_embedded_apk_config = append(
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config.Apex_config.Apex_embedded_apk_config,
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ApkConfig{
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Package_name: packageName,
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Apk_path: fi.path(),
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})
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}
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}
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j, err := json.Marshal(config)
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if err != nil {
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panic(fmt.Errorf("error while marshalling to %q: %#v", output, err))
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}
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android.WriteFileRule(ctx, output, string(j))
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return output.OutputPath
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}
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// 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")
|
|
|
|
// Figure out if need to compress apex.
|
|
compressionEnabled := ctx.Config().CompressedApex() && proptools.BoolDefault(a.properties.Compressible, false) && !a.testApex && !ctx.Config().UnbundledBuildApps()
|
|
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.privateKeyFile, a.publicKeyFile)
|
|
optFlags = append(optFlags, "--pubkey "+a.publicKeyFile.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() || moduleMinSdkVersion.IsNone() {
|
|
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()) && !compressionEnabled {
|
|
// 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.privateKeyFile.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()+"_using.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.apisUsedByModuleFile = apisUsedbyOutputFile
|
|
|
|
var libNames []string
|
|
for _, f := range a.filesInfo {
|
|
if f.class == nativeSharedLib {
|
|
libNames = append(libNames, f.stem())
|
|
}
|
|
}
|
|
apisBackedbyOutputFile := android.PathForModuleOut(ctx, a.Name()+"_backing.txt")
|
|
ndkLibraryList := android.PathForSource(ctx, "system/core/rootdir/etc/public.libraries.android.txt")
|
|
rule := android.NewRuleBuilder(pctx, ctx)
|
|
rule.Command().
|
|
Tool(android.PathForSource(ctx, "build/soong/scripts/gen_ndk_backedby_apex.sh")).
|
|
Output(apisBackedbyOutputFile).
|
|
Input(ndkLibraryList).
|
|
Flags(libNames)
|
|
rule.Build("ndk_backedby_list", "Generate API libraries backed by Apex")
|
|
a.apisBackedByModuleFile = apisBackedbyOutputFile
|
|
|
|
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
|
|
|
|
if ctx.ModuleDir() != "system/apex/apexd/apexd_testdata" && a.testOnlyShouldForceCompression() {
|
|
ctx.PropertyErrorf("test_only_force_compression", "not available")
|
|
return
|
|
}
|
|
|
|
if apexType == imageApex && (compressionEnabled || a.testOnlyShouldForceCompression()) {
|
|
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")
|
|
if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_SIGNAPK") {
|
|
args["outCommaList"] = signedCompressedOutputFile.String()
|
|
}
|
|
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.containerCertificateFile != nil {
|
|
return a.containerCertificateFile, a.containerPrivateKeyFile
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
// Skip dependencies that are only available to APEXes; they are developed with updatability
|
|
// in mind and don't need manual approval.
|
|
if to.(android.ApexModule).NotAvailableForPlatform() {
|
|
return !externalDep
|
|
}
|
|
|
|
depTag := ctx.OtherModuleDependencyTag(to)
|
|
// Check to see if dependency been marked to skip the dependency check
|
|
if skipDepCheck, ok := depTag.(android.SkipApexAllowedDependenciesCheck); ok && skipDepCheck.SkipApexAllowedDependenciesCheck() {
|
|
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(ctx android.EarlyModuleContext) android.SdkSpec
|
|
}); ok {
|
|
if v := m.MinSdkVersion(ctx); !v.ApiLevel.IsNone() {
|
|
toMinSdkVersion = v.ApiLevel.String()
|
|
}
|
|
} else if m, ok := to.(interface{ MinSdkVersion() string }); ok {
|
|
// TODO(b/175678607) eliminate the use of MinSdkVersion returning
|
|
// string
|
|
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())
|
|
}
|