Merge "Add BinaryTransparencyService as new SystemService." (cfa26cb2) · Commits · e / os / android_frameworks_base

core/java/Android.bp

+5 −0

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		@@ -28,6 +28,11 @@ filegroup {
		srcs: ["com/android/internal/os/IDropBoxManagerService.aidl"],
		}

		filegroup {
		name: "IBinaryTransparencyService.aidl",
		srcs: ["com/android/internal/os/IBinaryTransparencyService.aidl"],
		}

		filegroup {
		name: "ITracingServiceProxy.aidl",
		srcs: ["android/tracing/ITracingServiceProxy.aidl"],

core/java/android/app/SystemServiceRegistry.java

+13 −0

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		@@ -215,6 +215,7 @@ import android.telecom.TelecomManager;
		import android.telephony.MmsManager;
		import android.telephony.TelephonyFrameworkInitializer;
		import android.telephony.TelephonyRegistryManager;
		import android.transparency.BinaryTransparencyManager;
		import android.util.ArrayMap;
		import android.util.Log;
		import android.util.Slog;
		@@ -245,6 +246,7 @@ import com.android.internal.app.ISoundTriggerService;
		import com.android.internal.appwidget.IAppWidgetService;
		import com.android.internal.graphics.fonts.IFontManager;
		import com.android.internal.net.INetworkWatchlistManager;
		import com.android.internal.os.IBinaryTransparencyService;
		import com.android.internal.os.IDropBoxManagerService;
		import com.android.internal.policy.PhoneLayoutInflater;
		import com.android.internal.util.Preconditions;
		@@ -496,6 +498,17 @@ public final class SystemServiceRegistry {
		return new DropBoxManager(ctx, service);
		}});

		registerService(Context.BINARY_TRANSPARENCY_SERVICE, BinaryTransparencyManager.class,
		new CachedServiceFetcher<BinaryTransparencyManager>() {
		@Override
		public BinaryTransparencyManager createService(ContextImpl ctx)
		throws ServiceNotFoundException {
		IBinder b = ServiceManager.getServiceOrThrow(
		Context.BINARY_TRANSPARENCY_SERVICE);
		IBinaryTransparencyService service = IBinaryTransparencyService.Stub.asInterface(b);
		return new BinaryTransparencyManager(ctx, service);
		}});

		registerService(Context.INPUT_SERVICE, InputManager.class,
		new StaticServiceFetcher<InputManager>() {
		@Override

core/java/android/content/Context.java

+10 −0

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		@@ -5106,6 +5106,16 @@ public abstract class Context {
		*/
		public static final String DROPBOX_SERVICE = "dropbox";

		/**
		* System service name for BinaryTransparencyService. This is used to retrieve measurements
		* pertaining to various pre-installed and system binaries on device for the purposes of
		* providing transparency to the user.
		*
		* @hide
		*/
		@SuppressLint("ServiceName")
		public static final String BINARY_TRANSPARENCY_SERVICE = "transparency";

		/**
		* System service name for the DeviceIdleManager.
		* @see #getSystemService(String)

core/java/android/transparency/BinaryTransparencyManager.java

0 → 100644

+83 −0

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		/*
		* Copyright (C) 2022 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.transparency;

		import android.annotation.NonNull;
		import android.annotation.SystemService;
		import android.content.Context;
		import android.os.RemoteException;
		import android.util.Slog;

		import com.android.internal.os.IBinaryTransparencyService;

		import java.util.Map;

		/**
		* BinaryTransparencyManager defines a number of system interfaces that other system apps or
		* services can make use of, when trying to get more information about the various binaries
		* that are installed on this device.
		* @hide
		*/
		@SystemService(Context.BINARY_TRANSPARENCY_SERVICE)
		public class BinaryTransparencyManager {
		private static final String TAG = "TransparencyManager";

		private final Context mContext;
		private final IBinaryTransparencyService mService;

		/**
		* Constructor
		* @param context The calling context.
		* @param service A valid instance of IBinaryTransparencyService.
		* @hide
		*/
		public BinaryTransparencyManager(Context context, IBinaryTransparencyService service) {
		mContext = context;
		mService = service;
		}


		/**
		* Obtains a string containing information that describes the signed images that are installed
		* on this device. Currently, this piece of information is identified as the VBMeta digest.
		* @return A String containing the VBMeta Digest of the signed partitions loaded on this device.
		*/
		@NonNull
		public String getSignedImageInfo() {
		try {
		return mService.getSignedImageInfo();
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		}

		/**
		* Returns a map of all installed APEXs consisting of package name to SHA256 hash of the
		* package.
		* @return A Map with the following entries: {apex package name : sha256 digest of package}
		*/
		@NonNull
		public Map getApexInfo() {
		try {
		Slog.d(TAG, "Calling backend's getApexInfo()");
		return mService.getApexInfo();
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		}

		}

core/java/android/transparency/OWNERS

0 → 100644

+4 −0

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		# Bug component: 36824
		billylau@google.com
		vishwath@google.com
		mpgroover@google.com