89 lines
2.7 KiB
Go
89 lines
2.7 KiB
Go
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// Copyright (C) 2018 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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"fmt"
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"io"
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"android/soong/android"
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"github.com/google/blueprint/proptools"
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)
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var String = proptools.String
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func init() {
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android.RegisterModuleType("apex_key", apexKeyFactory)
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}
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type apexKey struct {
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android.ModuleBase
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properties apexKeyProperties
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public_key_file android.Path
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private_key_file android.Path
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keyName string
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}
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type apexKeyProperties struct {
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// Path to the public key file in avbpubkey format. Installed to the device.
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// Base name of the file is used as the ID for the key.
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Public_key *string
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// Path to the private key file in pem format. Used to sign APEXs.
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Private_key *string
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}
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func apexKeyFactory() android.Module {
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module := &apexKey{}
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module.AddProperties(&module.properties)
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android.InitAndroidModule(module)
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return module
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}
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func (m *apexKey) DepsMutator(ctx android.BottomUpMutatorContext) {
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}
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func (m *apexKey) GenerateAndroidBuildActions(ctx android.ModuleContext) {
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m.public_key_file = android.PathForModuleSrc(ctx, String(m.properties.Public_key))
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m.private_key_file = android.PathForModuleSrc(ctx, String(m.properties.Private_key))
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pubKeyName := m.public_key_file.Base()[0 : len(m.public_key_file.Base())-len(m.public_key_file.Ext())]
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privKeyName := m.private_key_file.Base()[0 : len(m.private_key_file.Base())-len(m.private_key_file.Ext())]
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if pubKeyName != privKeyName {
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ctx.ModuleErrorf("public_key %q (keyname:%q) and private_key %q (keyname:%q) do not have same keyname",
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m.public_key_file.String(), pubKeyName, m.private_key_file, privKeyName)
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return
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}
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m.keyName = pubKeyName
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ctx.InstallFile(android.PathForModuleInstall(ctx, "etc/security/apex"), m.keyName, m.public_key_file)
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}
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func (m *apexKey) AndroidMk() android.AndroidMkData {
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return android.AndroidMkData{
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Class: "ETC",
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OutputFile: android.OptionalPathForPath(m.public_key_file),
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Extra: []android.AndroidMkExtraFunc{
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func(w io.Writer, outputFile android.Path) {
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fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", "$(TARGET_OUT)/etc/security/apex")
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fmt.Fprintln(w, "LOCAL_INSTALLED_MODULE_STEM :=", m.keyName)
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},
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},
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}
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}
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