Add adb_root daemon (f89b27af) · Commits · e / os / android_system_core

adb/Android.bp

+38 −0

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		@@ -505,6 +505,24 @@ cc_binary {
		],
		}

		cc_binary {
		name: "adb_root",
		srcs: [
		"root/adbroot_service.cpp",
		"root/main.cpp",
		],
		init_rc: [
		"root/adb_root.rc",
		],
		shared_libs: [
		"adbroot_aidl_interface-cpp",
		"libbase",
		"libbinder",
		"liblog",
		"libutils",
		]
		}

		cc_binary {
		name: "abb",

		@@ -604,3 +622,23 @@ python_test_host {
		},
		},
		}

		aidl_interface {
		name: "adbroot_aidl_interface",
		srcs: [
		"aidl/android/adbroot/IADBRootService.aidl",
		],
		local_include_dir: "aidl",
		backend: {
		ndk: {
		enabled: false,
		},
		},
		}

		filegroup {
		name: "adbrootservice_aidl",
		srcs: [
		"aidl/android/adbroot/IADBRootService.aidl",
		],
		}

adb/aidl/android/adbroot/IADBRootService.aidl

0 → 100644

+22 −0

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		/*
		* Copyright (C) 2019 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 android.adbroot;

		/** {@hide} */
		interface IADBRootService {
		void setEnabled(boolean enabled);
		boolean getEnabled();
		}

adb/root/adb_root.rc

0 → 100644

+7 −0

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		service adb_root /system/bin/adb_root
		class main
		user root
		group root

		on boot
		mkdir /data/adbroot 0700 root root

adb/root/adbroot_service.cpp

0 → 100644

+61 −0

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		/*
		* Copyright (C) 2019 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.
		*/

		#include <android-base/file.h>
		#include <android-base/logging.h>
		#include <android-base/strings.h>

		#include "adbroot_service.h"

		namespace {
		const std::string kStoragePath = "/data/adbroot/";
		const std::string kEnabled = "enabled";
		}

		namespace android {
		namespace adbroot {

		using ::android::base::ReadFileToString;
		using ::android::base::Trim;
		using ::android::base::WriteStringToFile;

		ADBRootService::ADBRootService() : enabled_(false) {
		std::string buf;
		if (ReadFileToString(kStoragePath + kEnabled, &buf)) {
		enabled_ = std::stoi(Trim(buf));
		}
		}

		void ADBRootService::Register() {
		auto ret = android::BinderService<ADBRootService>::publish();
		if (ret != android::OK) {
		LOG(FATAL) << "Could not register adbroot service: " << ret;
		}
		}

		binder::Status ADBRootService::setEnabled(bool enabled) {
		enabled_ = enabled;
		WriteStringToFile(std::to_string(enabled), kStoragePath + kEnabled);
		return binder::Status::ok();
		}

		binder::Status ADBRootService::getEnabled(bool* _aidl_return) {
		*_aidl_return = enabled_;
		return binder::Status::ok();
		}

		} // namespace adbroot
		} // namespace android

adb/root/adbroot_service.h

0 → 100644

+40 −0

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		/*
		* Copyright (C) 2019 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.
		*/

		#pragma once

		#include <android/adbroot/BnADBRootService.h>
		#include <binder/BinderService.h>

		namespace android {
		namespace adbroot {

		class ADBRootService : public BinderService<ADBRootService>, public BnADBRootService {
		public:
		ADBRootService();

		static void Register();

		binder::Status setEnabled(bool enabled) override;
		binder::Status getEnabled(bool* _aidl_return) override;

		static char const* getServiceName() { return "adbroot_service"; }
		private:
		bool enabled_;
		};

		} // namespace adbroot
		} // namespace android