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// 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/proptools"
)
func init() {
RegisterOtacertsZipBuildComponents(android.InitRegistrationContext)
}
func RegisterOtacertsZipBuildComponents(ctx android.RegistrationContext) {
ctx.RegisterModuleType("otacerts_zip", otacertsZipFactory)
}
type otacertsZipProperties struct {
// Make this module available when building for recovery.
// Only the recovery partition is available.
Recovery_available *bool
// Optional subdirectory under which the zip file is installed into.
Relative_install_path *string
// Optional name for the installed file. If unspecified, otacerts.zip is used.
Filename *string
}
type otacertsZipModule struct {
android.ModuleBase
properties otacertsZipProperties
outputPath android.Path
}
// otacerts_zip collects key files defined in PRODUCT_DEFAULT_DEV_CERTIFICATE
// and PRODUCT_EXTRA_OTA_KEYS for system or PRODUCT_EXTRA_RECOVERY_KEYS for
// recovery image. The output file (otacerts.zip by default) is installed into
// the relative_install_path directory under the etc directory of the target
// partition.
func otacertsZipFactory() android.Module {
module := &otacertsZipModule{}
module.AddProperties(&module.properties)
android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibCommon)
return module
}
var _ android.ImageInterface = (*otacertsZipModule)(nil)
func (m *otacertsZipModule) ImageMutatorBegin(ctx android.ImageInterfaceContext) {}
func (m *otacertsZipModule) VendorVariantNeeded(ctx android.ImageInterfaceContext) bool {
return false
}
func (m *otacertsZipModule) ProductVariantNeeded(ctx android.ImageInterfaceContext) bool {
return false
}
func (m *otacertsZipModule) CoreVariantNeeded(ctx android.ImageInterfaceContext) bool {
return !m.ModuleBase.InstallInRecovery()
}
func (m *otacertsZipModule) RamdiskVariantNeeded(ctx android.ImageInterfaceContext) bool {
return false
}
func (m *otacertsZipModule) VendorRamdiskVariantNeeded(ctx android.ImageInterfaceContext) bool {
return false
}
func (m *otacertsZipModule) DebugRamdiskVariantNeeded(ctx android.ImageInterfaceContext) bool {
return false
}
func (m *otacertsZipModule) RecoveryVariantNeeded(ctx android.ImageInterfaceContext) bool {
return proptools.Bool(m.properties.Recovery_available) || m.ModuleBase.InstallInRecovery()
}
func (m *otacertsZipModule) ExtraImageVariations(ctx android.ImageInterfaceContext) []string {
return nil
}
func (m *otacertsZipModule) SetImageVariation(ctx android.ImageInterfaceContext, variation string) {
}
func (m *otacertsZipModule) InRecovery() bool {
return m.ModuleBase.InRecovery() || m.ModuleBase.InstallInRecovery()
}
func (m *otacertsZipModule) InstallInRecovery() bool {
return m.InRecovery()
}
func (m *otacertsZipModule) outputFileName() string {
// Use otacerts.zip if not specified.
return proptools.StringDefault(m.properties.Filename, "otacerts.zip")
}
func (m *otacertsZipModule) onlyInRecovery() bool {
return m.ModuleBase.InstallInRecovery()
}
func (m *otacertsZipModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
// Read .x509.pem file defined in PRODUCT_DEFAULT_DEV_CERTIFICATE or the default test key.
pem, _ := ctx.Config().DefaultAppCertificate(ctx)
// Read .x509.pem files listed in PRODUCT_EXTRA_OTA_KEYS or PRODUCT_EXTRA_RECOVERY_KEYS.
extras := ctx.Config().ExtraOtaKeys(ctx, m.InRecovery())
srcPaths := append([]android.SourcePath{pem}, extras...)
outputPath := android.PathForModuleOut(ctx, m.outputFileName())
rule := android.NewRuleBuilder(pctx, ctx)
cmd := rule.Command().BuiltTool("soong_zip").
FlagWithOutput("-o ", outputPath).
Flag("-j ").
Flag("-symlinks=false ")
for _, src := range srcPaths {
cmd.FlagWithInput("-f ", src)
}
rule.Build(ctx.ModuleName(), "Generating the otacerts zip file")
installPath := android.PathForModuleInstall(ctx, "etc", proptools.String(m.properties.Relative_install_path))
ctx.InstallFile(installPath, m.outputFileName(), outputPath)
m.outputPath = outputPath
}
func (m *otacertsZipModule) AndroidMkEntries() []android.AndroidMkEntries {
nameSuffix := ""
if m.InRecovery() && !m.onlyInRecovery() {
nameSuffix = ".recovery"
}
return []android.AndroidMkEntries{android.AndroidMkEntries{
Class: "ETC",
SubName: nameSuffix,
OutputFile: android.OptionalPathForPath(m.outputPath),
}}
}
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