platform_system_sepolicy/build/soong/sepolicy_vers.go
mrziwang dc268a72fb Use OutputFilesProvider on certain module types
se_build_files, se_cil_compat_map and sepolicy_vers will be using
OutputFilesProvider for output files inter-module-communication.

Test: CI
Bug: 339477385
Change-Id: Ib9972bcdea4850508cb9070903af53973bff9f66
2024-06-06 14:42:10 -07:00

105 lines
3.1 KiB
Go

// Copyright 2021 The Android Open Source Project
//
// 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 selinux
import (
"github.com/google/blueprint/proptools"
"android/soong/android"
)
func init() {
android.RegisterModuleType("sepolicy_vers", sepolicyVersFactory)
}
// sepolicy_vers prints sepolicy version string to {partition}/etc/selinux.
func sepolicyVersFactory() android.Module {
v := &sepolicyVers{}
v.AddProperties(&v.properties)
android.InitAndroidArchModule(v, android.DeviceSupported, android.MultilibCommon)
return v
}
type sepolicyVers struct {
android.ModuleBase
properties sepolicyVersProperties
installSource android.Path
installPath android.InstallPath
}
type sepolicyVersProperties struct {
// Version to output. Can be "platform" for PLATFORM_SEPOLICY_VERSION, "vendor" for
// BOARD_SEPOLICY_VERS
Version *string
// Output file name. Defaults to module name if unspecified.
Stem *string
// Whether this module is directly installable to one of the partitions. Default is true
Installable *bool
}
func (v *sepolicyVers) installable() bool {
return proptools.BoolDefault(v.properties.Installable, true)
}
func (v *sepolicyVers) stem() string {
return proptools.StringDefault(v.properties.Stem, v.Name())
}
func (v *sepolicyVers) DepsMutator(ctx android.BottomUpMutatorContext) {
// do nothing
}
func (v *sepolicyVers) GenerateAndroidBuildActions(ctx android.ModuleContext) {
var ver string
switch proptools.String(v.properties.Version) {
case "platform":
ver = ctx.DeviceConfig().PlatformSepolicyVersion()
case "vendor":
ver = ctx.DeviceConfig().BoardSepolicyVers()
default:
ctx.PropertyErrorf("version", `should be either "platform" or "vendor"`)
}
out := android.PathForModuleGen(ctx, v.stem())
rule := android.NewRuleBuilder(pctx, ctx)
rule.Command().Text("echo").Text(ver).Text(">").Output(out)
rule.Build("sepolicy_vers", v.Name())
if !v.installable() {
v.SkipInstall()
}
v.installPath = android.PathForModuleInstall(ctx, "etc", "selinux")
v.installSource = out
ctx.InstallFile(v.installPath, v.stem(), v.installSource)
ctx.SetOutputFiles(android.Paths{v.installSource}, "")
}
func (v *sepolicyVers) AndroidMkEntries() []android.AndroidMkEntries {
return []android.AndroidMkEntries{android.AndroidMkEntries{
Class: "ETC",
OutputFile: android.OptionalPathForPath(v.installSource),
ExtraEntries: []android.AndroidMkExtraEntriesFunc{
func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
entries.SetPath("LOCAL_MODULE_PATH", v.installPath)
entries.SetString("LOCAL_INSTALLED_MODULE_STEM", v.stem())
},
},
}}
}