Merge "Protect usage data with OP_GET_USAGE_STATS." into pi-dev (ddb15c47) · Commits · e / os / android_frameworks_base

core/java/android/app/ApplicationPackageManager.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -2831,7 +2831,7 @@ public class ApplicationPackageManager extends PackageManager {
		synchronized (mLock) {
		if (mArtManager == null) {
		try {
		mArtManager = new ArtManager(mPM.getArtManager());
		mArtManager = new ArtManager(mContext, mPM.getArtManager());
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}

core/java/android/content/pm/dex/ArtManager.java

+15 −10

Original line number	Diff line number	Diff line
		@@ -16,12 +16,16 @@

		package android.content.pm.dex;

		import static android.Manifest.permission.PACKAGE_USAGE_STATS;
		import static android.Manifest.permission.READ_RUNTIME_PROFILES;

		import android.annotation.CallbackExecutor;
		import android.annotation.IntDef;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.annotation.RequiresPermission;
		import android.annotation.SystemApi;
		import android.content.Context;
		import android.os.Environment;
		import android.os.ParcelFileDescriptor;
		import android.os.RemoteException;
		@@ -62,13 +66,14 @@ public class ArtManager {
		@Retention(RetentionPolicy.SOURCE)
		public @interface ProfileType {}


		private IArtManager mArtManager;
		private final Context mContext;
		private final IArtManager mArtManager;

		/**
		* @hide
		*/
		public ArtManager(@NonNull IArtManager manager) {
		public ArtManager(@NonNull Context context, @NonNull IArtManager manager) {
		mContext = context;
		mArtManager = manager;
		}

		@@ -99,7 +104,7 @@ public class ArtManager {
		* @param callback the callback which should be used for the result
		* @param executor the executor which should be used to post the result
		*/
		@RequiresPermission(android.Manifest.permission.READ_RUNTIME_PROFILES)
		@RequiresPermission(allOf = { READ_RUNTIME_PROFILES, PACKAGE_USAGE_STATS })
		public void snapshotRuntimeProfile(@ProfileType int profileType, @Nullable String packageName,
		@Nullable String codePath, @NonNull @CallbackExecutor Executor executor,
		@NonNull SnapshotRuntimeProfileCallback callback) {
		@@ -108,9 +113,10 @@ public class ArtManager {
		SnapshotRuntimeProfileCallbackDelegate delegate =
		new SnapshotRuntimeProfileCallbackDelegate(callback, executor);
		try {
		mArtManager.snapshotRuntimeProfile(profileType, packageName, codePath, delegate);
		mArtManager.snapshotRuntimeProfile(profileType, packageName, codePath, delegate,
		mContext.getOpPackageName());
		} catch (RemoteException e) {
		e.rethrowAsRuntimeException();
		throw e.rethrowAsRuntimeException();
		}
		}

		@@ -122,14 +128,13 @@ public class ArtManager {
		* @param profileType can be either {@link ArtManager#PROFILE_APPS}
		* or {@link ArtManager#PROFILE_BOOT_IMAGE}
		*/
		@RequiresPermission(android.Manifest.permission.READ_RUNTIME_PROFILES)
		@RequiresPermission(allOf = { READ_RUNTIME_PROFILES, PACKAGE_USAGE_STATS })
		public boolean isRuntimeProfilingEnabled(@ProfileType int profileType) {
		try {
		return mArtManager.isRuntimeProfilingEnabled(profileType);
		return mArtManager.isRuntimeProfilingEnabled(profileType, mContext.getOpPackageName());
		} catch (RemoteException e) {
		e.rethrowAsRuntimeException();
		throw e.rethrowAsRuntimeException();
		}
		return false;
		}

		/**

core/java/android/content/pm/dex/IArtManager.aidl

+3 −3

Original line number	Diff line number	Diff line
		@@ -44,8 +44,8 @@ interface IArtManager {
		* {@link ArtManager#isRuntimeProfilingEnabled(int)} does not return true for the given
		* {@code profileType}.
		*/
		oneway void snapshotRuntimeProfile(int profileType, in String packageName,
		in String codePath, in ISnapshotRuntimeProfileCallback callback);
		void snapshotRuntimeProfile(int profileType, in String packageName,
		in String codePath, in ISnapshotRuntimeProfileCallback callback, String callingPackage);

		/**
		* Returns true if runtime profiles are enabled for the given type, false otherwise.
		@@ -54,5 +54,5 @@ interface IArtManager {
		*
		* @param profileType
		*/
		boolean isRuntimeProfilingEnabled(int profileType);
		boolean isRuntimeProfilingEnabled(int profileType, String callingPackage);
		}

services/core/java/com/android/server/pm/PackageManagerService.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -2462,7 +2462,7 @@ public class PackageManagerService extends IPackageManager.Stub
		installer, mInstallLock);
		mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock,
		dexManagerListener);
		mArtManagerService = new ArtManagerService(this, installer, mInstallLock);
		mArtManagerService = new ArtManagerService(mContext, this, installer, mInstallLock);
		mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper());

		mOnPermissionChangeListeners = new OnPermissionChangeListeners(

services/core/java/com/android/server/pm/dex/ArtManagerService.java

+49 −35

Original line number	Diff line number	Diff line
		@@ -16,8 +16,9 @@

		package com.android.server.pm.dex;

		import android.Manifest;
		import android.annotation.UserIdInt;
		import android.app.AppOpsManager;
		import android.content.Context;
		import android.content.pm.ApplicationInfo;
		import android.content.pm.IPackageManager;
		import android.content.pm.PackageInfo;
		@@ -38,7 +39,9 @@ import android.os.SystemProperties;
		import android.os.UserHandle;
		import android.system.Os;
		import android.util.ArrayMap;
		import android.util.Log;
		import android.util.Slog;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.os.BackgroundThread;
		import com.android.internal.util.ArrayUtils;
		@@ -47,14 +50,17 @@ import com.android.server.LocalServices;
		import com.android.server.pm.Installer;
		import com.android.server.pm.Installer.InstallerException;
		import com.android.server.pm.PackageManagerServiceCompilerMapping;

		import dalvik.system.DexFile;
		import dalvik.system.VMRuntime;
		import java.io.File;
		import java.io.FileNotFoundException;

		import libcore.io.IoUtils;
		import libcore.util.NonNull;
		import libcore.util.Nullable;

		import java.io.File;
		import java.io.FileNotFoundException;

		/**
		* A system service that provides access to runtime and compiler artifacts.
		*
		@@ -69,9 +75,7 @@ import libcore.util.Nullable;
		*/
		public class ArtManagerService extends android.content.pm.dex.IArtManager.Stub {
		private static final String TAG = "ArtManagerService";

		private static boolean DEBUG = false;
		private static boolean DEBUG_IGNORE_PERMISSIONS = false;
		private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);

		// Package name used to create the profile directory layout when
		// taking a snapshot of the boot image profile.
		@@ -79,6 +83,7 @@ public class ArtManagerService extends android.content.pm.dex.IArtManager.Stub {
		// Profile name used for the boot image profile.
		private static final String BOOT_IMAGE_PROFILE_NAME = "android.prof";

		private final Context mContext;
		private final IPackageManager mPackageManager;
		private final Object mInstallLock;
		@GuardedBy("mInstallLock")
		@@ -90,7 +95,9 @@ public class ArtManagerService extends android.content.pm.dex.IArtManager.Stub {
		verifyTronLoggingConstants();
		}

		public ArtManagerService(IPackageManager pm, Installer installer, Object installLock) {
		public ArtManagerService(Context context, IPackageManager pm, Installer installer,
		Object installLock) {
		mContext = context;
		mPackageManager = pm;
		mInstaller = installer;
		mInstallLock = installLock;
		@@ -99,9 +106,37 @@ public class ArtManagerService extends android.content.pm.dex.IArtManager.Stub {
		LocalServices.addService(ArtManagerInternal.class, new ArtManagerInternalImpl());
		}

		private boolean checkPermission(int callingUid, String callingPackage) {
		// Callers always need this permission
		mContext.enforceCallingOrSelfPermission(
		android.Manifest.permission.READ_RUNTIME_PROFILES, TAG);

		// Callers also need the ability to read usage statistics
		switch (mContext.getSystemService(AppOpsManager.class)
		.noteOp(AppOpsManager.OP_GET_USAGE_STATS, callingUid, callingPackage)) {
		case AppOpsManager.MODE_ALLOWED:
		return true;
		case AppOpsManager.MODE_DEFAULT:
		mContext.enforceCallingOrSelfPermission(
		android.Manifest.permission.PACKAGE_USAGE_STATS, TAG);
		return true;
		default:
		return false;
		}
		}

		@Override
		public void snapshotRuntimeProfile(@ProfileType int profileType, @Nullable String packageName,
		@Nullable String codePath, @NonNull ISnapshotRuntimeProfileCallback callback) {
		@Nullable String codePath, @NonNull ISnapshotRuntimeProfileCallback callback,
		String callingPackage) {
		if (!checkPermission(Binder.getCallingUid(), callingPackage)) {
		try {
		callback.onError(ArtManager.SNAPSHOT_FAILED_INTERNAL_ERROR);
		} catch (RemoteException ignored) {
		}
		return;
		}

		// Sanity checks on the arguments.
		Preconditions.checkNotNull(callback);

		@@ -111,9 +146,8 @@ public class ArtManagerService extends android.content.pm.dex.IArtManager.Stub {
		Preconditions.checkStringNotEmpty(packageName);
		}

		// Verify that the caller has the right permissions and that the runtime profiling is
		// enabled. The call to isRuntimePermissions will checkReadRuntimeProfilePermission.
		if (!isRuntimeProfilingEnabled(profileType)) {
		// Verify that runtime profiling is enabled.
		if (!isRuntimeProfilingEnabled(profileType, callingPackage)) {
		throw new IllegalStateException("Runtime profiling is not enabled for " + profileType);
		}

		@@ -231,9 +265,10 @@ public class ArtManagerService extends android.content.pm.dex.IArtManager.Stub {
		}

		@Override
		public boolean isRuntimeProfilingEnabled(@ProfileType int profileType) {
		// Verify that the caller has the right permissions.
		checkReadRuntimeProfilePermission();
		public boolean isRuntimeProfilingEnabled(@ProfileType int profileType, String callingPackage) {
		if (!checkPermission(Binder.getCallingUid(), callingPackage)) {
		return false;
		}

		switch (profileType) {
		case ArtManager.PROFILE_APPS :
		@@ -305,27 +340,6 @@ public class ArtManagerService extends android.content.pm.dex.IArtManager.Stub {
		});
		}

		/**
		* Verify that the binder calling uid has {@code android.permission.READ_RUNTIME_PROFILE}.
		* If not, it throws a {@link SecurityException}.
		*/
		private void checkReadRuntimeProfilePermission() {
		if (DEBUG_IGNORE_PERMISSIONS) {
		return;
		}
		try {
		int result = mPackageManager.checkUidPermission(
		Manifest.permission.READ_RUNTIME_PROFILES, Binder.getCallingUid());
		if (result != PackageManager.PERMISSION_GRANTED) {
		throw new SecurityException("You need "
		+ Manifest.permission.READ_RUNTIME_PROFILES
		+ " permission to snapshot profiles.");
		}
		} catch (RemoteException e) {
		// Should not happen.
		}
		}

		/**
		* Prepare the application profiles.
		* For all code paths: