Convert avbpubkey installation rule to Soong
avbpubkey module type is introduced to convert the installation rule of
system_other.avbpubkey into Soong.
Bug: 376505372
Test: m soong_generated_product_filesystem_test
Change-Id: I66e848ab5f7ca43a38a3edf99111a9da33e3518a
diff --git a/etc/Android.bp b/etc/Android.bp
index 8e043b8..e92437e 100644
--- a/etc/Android.bp
+++ b/etc/Android.bp
@@ -12,6 +12,7 @@
],
srcs: [
"adb_keys.go",
+ "avbpubkey.go",
"install_symlink.go",
"otacerts_zip.go",
"prebuilt_etc.go",
diff --git a/etc/avbpubkey.go b/etc/avbpubkey.go
new file mode 100644
index 0000000..3f998d4
--- /dev/null
+++ b/etc/avbpubkey.go
@@ -0,0 +1,84 @@
+// Copyright 2024 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package etc
+
+import (
+ "android/soong/android"
+
+ "github.com/google/blueprint"
+ "github.com/google/blueprint/proptools"
+)
+
+func init() {
+ android.RegisterModuleType("avbpubkey", AvbpubkeyModuleFactory)
+ pctx.HostBinToolVariable("avbtool", "avbtool")
+}
+
+type avbpubkeyProperty struct {
+ Private_key *string `android:"path"`
+}
+
+type AvbpubkeyModule struct {
+ android.ModuleBase
+
+ properties avbpubkeyProperty
+
+ outputPath android.WritablePath
+ installPath android.InstallPath
+}
+
+func AvbpubkeyModuleFactory() android.Module {
+ module := &AvbpubkeyModule{}
+ module.AddProperties(&module.properties)
+ android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
+ return module
+}
+
+var avbPubKeyRule = pctx.AndroidStaticRule("avbpubkey",
+ blueprint.RuleParams{
+ Command: `${avbtool} extract_public_key --key ${in} --output ${out}.tmp` +
+ ` && ( if cmp -s ${out}.tmp ${out} ; then rm ${out}.tmp ; else mv ${out}.tmp ${out} ; fi )`,
+ CommandDeps: []string{"${avbtool}"},
+ Description: "Extracting system_other avb key",
+ })
+
+func (m *AvbpubkeyModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
+ if !m.ProductSpecific() {
+ ctx.ModuleErrorf("avbpubkey module type must set product_specific to true")
+ }
+
+ m.outputPath = android.PathForModuleOut(ctx, ctx.ModuleName(), "system_other.avbpubkey")
+
+ ctx.Build(pctx, android.BuildParams{
+ Rule: avbPubKeyRule,
+ Input: android.PathForModuleSrc(ctx, proptools.String(m.properties.Private_key)),
+ Output: m.outputPath,
+ })
+
+ m.installPath = android.PathForModuleInstall(ctx, "etc/security/avb")
+ ctx.InstallFile(m.installPath, "system_other.avbpubkey", m.outputPath)
+}
+
+func (m *AvbpubkeyModule) AndroidMkEntries() []android.AndroidMkEntries {
+ if m.IsSkipInstall() {
+ return []android.AndroidMkEntries{}
+ }
+
+ return []android.AndroidMkEntries{
+ {
+ Class: "ETC",
+ OutputFile: android.OptionalPathForPath(m.outputPath),
+ }}
+}