am 42fec57f: am d9968438: Merge "Fix issue with call backs from media process." into lmp-mr1-dev (377d6f00) · Commits · e / os / android_frameworks_base

cmds/content/src/com/android/commands/content/Content.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -501,7 +501,7 @@ public class Content {

		@Override
		public void onExecute(IContentProvider provider) throws Exception {
		final ParcelFileDescriptor fd = provider.openFile(null, mUri, "r", null);
		final ParcelFileDescriptor fd = provider.openFile(null, mUri, "r", null, null);
		copy(new FileInputStream(fd.getFileDescriptor()), System.out);
		}

core/java/android/app/ActivityManagerNative.java

+34 −4

Original line number	Diff line number	Diff line
		@@ -1186,6 +1186,18 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
		return true;
		}

		case CHECK_PERMISSION_WITH_TOKEN_TRANSACTION: {
		data.enforceInterface(IActivityManager.descriptor);
		String perm = data.readString();
		int pid = data.readInt();
		int uid = data.readInt();
		IBinder token = data.readStrongBinder();
		int res = checkPermissionWithToken(perm, pid, uid, token);
		reply.writeNoException();
		reply.writeInt(res);
		return true;
		}

		case CHECK_URI_PERMISSION_TRANSACTION: {
		data.enforceInterface(IActivityManager.descriptor);
		Uri uri = Uri.CREATOR.createFromParcel(data);
		@@ -1193,7 +1205,8 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
		int uid = data.readInt();
		int mode = data.readInt();
		int userId = data.readInt();
		int res = checkUriPermission(uri, pid, uid, mode, userId);
		IBinder callerToken = data.readStrongBinder();
		int res = checkUriPermission(uri, pid, uid, mode, userId, callerToken);
		reply.writeNoException();
		reply.writeInt(res);
		return true;
		@@ -3851,6 +3864,22 @@ class ActivityManagerProxy implements IActivityManager
		reply.recycle();
		return res;
		}
		public int checkPermissionWithToken(String permission, int pid, int uid, IBinder callerToken)
		throws RemoteException {
		Parcel data = Parcel.obtain();
		Parcel reply = Parcel.obtain();
		data.writeInterfaceToken(IActivityManager.descriptor);
		data.writeString(permission);
		data.writeInt(pid);
		data.writeInt(uid);
		data.writeStrongBinder(callerToken);
		mRemote.transact(CHECK_PERMISSION_WITH_TOKEN_TRANSACTION, data, reply, 0);
		reply.readException();
		int res = reply.readInt();
		data.recycle();
		reply.recycle();
		return res;
		}
		public boolean clearApplicationUserData(final String packageName,
		final IPackageDataObserver observer, final int userId) throws RemoteException {
		Parcel data = Parcel.obtain();
		@@ -3866,8 +3895,8 @@ class ActivityManagerProxy implements IActivityManager
		reply.recycle();
		return res;
		}
		public int checkUriPermission(Uri uri, int pid, int uid, int mode, int userId)
		throws RemoteException {
		public int checkUriPermission(Uri uri, int pid, int uid, int mode, int userId,
		IBinder callerToken) throws RemoteException {
		Parcel data = Parcel.obtain();
		Parcel reply = Parcel.obtain();
		data.writeInterfaceToken(IActivityManager.descriptor);
		@@ -3876,6 +3905,7 @@ class ActivityManagerProxy implements IActivityManager
		data.writeInt(uid);
		data.writeInt(mode);
		data.writeInt(userId);
		data.writeStrongBinder(callerToken);
		mRemote.transact(CHECK_URI_PERMISSION_TRANSACTION, data, reply, 0);
		reply.readException();
		int res = reply.readInt();

core/java/android/app/ContextImpl.java

+28 −1

Original line number	Diff line number	Diff line
		@@ -1863,6 +1863,21 @@ class ContextImpl extends Context {
		}
		}

		/** @hide */
		@Override
		public int checkPermission(String permission, int pid, int uid, IBinder callerToken) {
		if (permission == null) {
		throw new IllegalArgumentException("permission is null");
		}

		try {
		return ActivityManagerNative.getDefault().checkPermissionWithToken(
		permission, pid, uid, callerToken);
		} catch (RemoteException e) {
		return PackageManager.PERMISSION_DENIED;
		}
		}

		@Override
		public int checkCallingPermission(String permission) {
		if (permission == null) {
		@@ -1951,7 +1966,19 @@ class ContextImpl extends Context {
		try {
		return ActivityManagerNative.getDefault().checkUriPermission(
		ContentProvider.getUriWithoutUserId(uri), pid, uid, modeFlags,
		resolveUserId(uri));
		resolveUserId(uri), null);
		} catch (RemoteException e) {
		return PackageManager.PERMISSION_DENIED;
		}
		}

		/** @hide */
		@Override
		public int checkUriPermission(Uri uri, int pid, int uid, int modeFlags, IBinder callerToken) {
		try {
		return ActivityManagerNative.getDefault().checkUriPermission(
		ContentProvider.getUriWithoutUserId(uri), pid, uid, modeFlags,
		resolveUserId(uri), callerToken);
		} catch (RemoteException e) {
		return PackageManager.PERMISSION_DENIED;
		}

core/java/android/app/IActivityManager.java

+5 −2

Original line number	Diff line number	Diff line
		@@ -219,9 +219,11 @@ public interface IActivityManager extends IInterface {

		public int checkPermission(String permission, int pid, int uid)
		throws RemoteException;

		public int checkUriPermission(Uri uri, int pid, int uid, int mode, int userId)
		public int checkPermissionWithToken(String permission, int pid, int uid, IBinder callerToken)
		throws RemoteException;

		public int checkUriPermission(Uri uri, int pid, int uid, int mode, int userId,
		IBinder callerToken) throws RemoteException;
		public void grantUriPermission(IApplicationThread caller, String targetPkg, Uri uri,
		int mode, int userId) throws RemoteException;
		public void revokeUriPermission(IApplicationThread caller, Uri uri, int mode, int userId)
		@@ -785,4 +787,5 @@ public interface IActivityManager extends IInterface {
		int GET_TASK_DESCRIPTION_ICON_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+238;
		int LAUNCH_ASSIST_INTENT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+239;
		int START_IN_PLACE_ANIMATION_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+240;
		int CHECK_PERMISSION_WITH_TOKEN_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+241;
		}

core/java/android/content/ContentProvider.java

+43 −32

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@ import android.os.AsyncTask;
		import android.os.Binder;
		import android.os.Bundle;
		import android.os.CancellationSignal;
		import android.os.IBinder;
		import android.os.ICancellationSignal;
		import android.os.OperationCanceledException;
		import android.os.ParcelFileDescriptor;
		@@ -201,7 +202,7 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		ICancellationSignal cancellationSignal) {
		validateIncomingUri(uri);
		uri = getUriWithoutUserId(uri);
		if (enforceReadPermission(callingPkg, uri) != AppOpsManager.MODE_ALLOWED) {
		if (enforceReadPermission(callingPkg, uri, null) != AppOpsManager.MODE_ALLOWED) {
		return rejectQuery(uri, projection, selection, selectionArgs, sortOrder,
		CancellationSignal.fromTransport(cancellationSignal));
		}
		@@ -227,7 +228,7 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		validateIncomingUri(uri);
		int userId = getUserIdFromUri(uri);
		uri = getUriWithoutUserId(uri);
		if (enforceWritePermission(callingPkg, uri) != AppOpsManager.MODE_ALLOWED) {
		if (enforceWritePermission(callingPkg, uri, null) != AppOpsManager.MODE_ALLOWED) {
		return rejectInsert(uri, initialValues);
		}
		final String original = setCallingPackage(callingPkg);
		@@ -242,7 +243,7 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		public int bulkInsert(String callingPkg, Uri uri, ContentValues[] initialValues) {
		validateIncomingUri(uri);
		uri = getUriWithoutUserId(uri);
		if (enforceWritePermission(callingPkg, uri) != AppOpsManager.MODE_ALLOWED) {
		if (enforceWritePermission(callingPkg, uri, null) != AppOpsManager.MODE_ALLOWED) {
		return 0;
		}
		final String original = setCallingPackage(callingPkg);
		@@ -270,13 +271,13 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		operations.set(i, operation);
		}
		if (operation.isReadOperation()) {
		if (enforceReadPermission(callingPkg, uri)
		if (enforceReadPermission(callingPkg, uri, null)
		!= AppOpsManager.MODE_ALLOWED) {
		throw new OperationApplicationException("App op not allowed", 0);
		}
		}
		if (operation.isWriteOperation()) {
		if (enforceWritePermission(callingPkg, uri)
		if (enforceWritePermission(callingPkg, uri, null)
		!= AppOpsManager.MODE_ALLOWED) {
		throw new OperationApplicationException("App op not allowed", 0);
		}
		@@ -301,7 +302,7 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		public int delete(String callingPkg, Uri uri, String selection, String[] selectionArgs) {
		validateIncomingUri(uri);
		uri = getUriWithoutUserId(uri);
		if (enforceWritePermission(callingPkg, uri) != AppOpsManager.MODE_ALLOWED) {
		if (enforceWritePermission(callingPkg, uri, null) != AppOpsManager.MODE_ALLOWED) {
		return 0;
		}
		final String original = setCallingPackage(callingPkg);
		@@ -317,7 +318,7 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		String[] selectionArgs) {
		validateIncomingUri(uri);
		uri = getUriWithoutUserId(uri);
		if (enforceWritePermission(callingPkg, uri) != AppOpsManager.MODE_ALLOWED) {
		if (enforceWritePermission(callingPkg, uri, null) != AppOpsManager.MODE_ALLOWED) {
		return 0;
		}
		final String original = setCallingPackage(callingPkg);
		@@ -330,11 +331,11 @@ public abstract class ContentProvider implements ComponentCallbacks2 {

		@Override
		public ParcelFileDescriptor openFile(
		String callingPkg, Uri uri, String mode, ICancellationSignal cancellationSignal)
		throws FileNotFoundException {
		String callingPkg, Uri uri, String mode, ICancellationSignal cancellationSignal,
		IBinder callerToken) throws FileNotFoundException {
		validateIncomingUri(uri);
		uri = getUriWithoutUserId(uri);
		enforceFilePermission(callingPkg, uri, mode);
		enforceFilePermission(callingPkg, uri, mode, callerToken);
		final String original = setCallingPackage(callingPkg);
		try {
		return ContentProvider.this.openFile(
		@@ -350,7 +351,7 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		throws FileNotFoundException {
		validateIncomingUri(uri);
		uri = getUriWithoutUserId(uri);
		enforceFilePermission(callingPkg, uri, mode);
		enforceFilePermission(callingPkg, uri, mode, null);
		final String original = setCallingPackage(callingPkg);
		try {
		return ContentProvider.this.openAssetFile(
		@@ -382,7 +383,7 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		Bundle opts, ICancellationSignal cancellationSignal) throws FileNotFoundException {
		validateIncomingUri(uri);
		uri = getUriWithoutUserId(uri);
		enforceFilePermission(callingPkg, uri, "r");
		enforceFilePermission(callingPkg, uri, "r", null);
		final String original = setCallingPackage(callingPkg);
		try {
		return ContentProvider.this.openTypedAssetFile(
		@@ -402,7 +403,7 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		validateIncomingUri(uri);
		int userId = getUserIdFromUri(uri);
		uri = getUriWithoutUserId(uri);
		if (enforceReadPermission(callingPkg, uri) != AppOpsManager.MODE_ALLOWED) {
		if (enforceReadPermission(callingPkg, uri, null) != AppOpsManager.MODE_ALLOWED) {
		return null;
		}
		final String original = setCallingPackage(callingPkg);
		@@ -418,7 +419,7 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		validateIncomingUri(uri);
		int userId = getUserIdFromUri(uri);
		uri = getUriWithoutUserId(uri);
		if (enforceReadPermission(callingPkg, uri) != AppOpsManager.MODE_ALLOWED) {
		if (enforceReadPermission(callingPkg, uri, null) != AppOpsManager.MODE_ALLOWED) {
		return null;
		}
		final String original = setCallingPackage(callingPkg);
		@@ -429,29 +430,33 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		}
		}

		private void enforceFilePermission(String callingPkg, Uri uri, String mode)
		throws FileNotFoundException, SecurityException {
		private void enforceFilePermission(String callingPkg, Uri uri, String mode,
		IBinder callerToken) throws FileNotFoundException, SecurityException {
		if (mode != null && mode.indexOf('w') != -1) {
		if (enforceWritePermission(callingPkg, uri) != AppOpsManager.MODE_ALLOWED) {
		if (enforceWritePermission(callingPkg, uri, callerToken)
		!= AppOpsManager.MODE_ALLOWED) {
		throw new FileNotFoundException("App op not allowed");
		}
		} else {
		if (enforceReadPermission(callingPkg, uri) != AppOpsManager.MODE_ALLOWED) {
		if (enforceReadPermission(callingPkg, uri, callerToken)
		!= AppOpsManager.MODE_ALLOWED) {
		throw new FileNotFoundException("App op not allowed");
		}
		}
		}

		private int enforceReadPermission(String callingPkg, Uri uri) throws SecurityException {
		enforceReadPermissionInner(uri);
		private int enforceReadPermission(String callingPkg, Uri uri, IBinder callerToken)
		throws SecurityException {
		enforceReadPermissionInner(uri, callerToken);
		if (mReadOp != AppOpsManager.OP_NONE) {
		return mAppOpsManager.noteOp(mReadOp, Binder.getCallingUid(), callingPkg);
		}
		return AppOpsManager.MODE_ALLOWED;
		}

		private int enforceWritePermission(String callingPkg, Uri uri) throws SecurityException {
		enforceWritePermissionInner(uri);
		private int enforceWritePermission(String callingPkg, Uri uri, IBinder callerToken)
		throws SecurityException {
		enforceWritePermissionInner(uri, callerToken);
		if (mWriteOp != AppOpsManager.OP_NONE) {
		return mAppOpsManager.noteOp(mWriteOp, Binder.getCallingUid(), callingPkg);
		}
		@@ -467,7 +472,8 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		}

		/** {@hide} */
		protected void enforceReadPermissionInner(Uri uri) throws SecurityException {
		protected void enforceReadPermissionInner(Uri uri, IBinder callerToken)
		throws SecurityException {
		final Context context = getContext();
		final int pid = Binder.getCallingPid();
		final int uid = Binder.getCallingUid();
		@@ -480,7 +486,8 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		if (mExported && checkUser(pid, uid, context)) {
		final String componentPerm = getReadPermission();
		if (componentPerm != null) {
		if (context.checkPermission(componentPerm, pid, uid) == PERMISSION_GRANTED) {
		if (context.checkPermission(componentPerm, pid, uid, callerToken)
		== PERMISSION_GRANTED) {
		return;
		} else {
		missingPerm = componentPerm;
		@@ -497,7 +504,8 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		for (PathPermission pp : pps) {
		final String pathPerm = pp.getReadPermission();
		if (pathPerm != null && pp.match(path)) {
		if (context.checkPermission(pathPerm, pid, uid) == PERMISSION_GRANTED) {
		if (context.checkPermission(pathPerm, pid, uid, callerToken)
		== PERMISSION_GRANTED) {
		return;
		} else {
		// any denied <path-permission> means we lose
		@@ -518,8 +526,8 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		final int callingUserId = UserHandle.getUserId(uid);
		final Uri userUri = (mSingleUser && !UserHandle.isSameUser(mMyUid, uid))
		? maybeAddUserId(uri, callingUserId) : uri;
		if (context.checkUriPermission(userUri, pid, uid, Intent.FLAG_GRANT_READ_URI_PERMISSION)
		== PERMISSION_GRANTED) {
		if (context.checkUriPermission(userUri, pid, uid, Intent.FLAG_GRANT_READ_URI_PERMISSION,
		callerToken) == PERMISSION_GRANTED) {
		return;
		}

		@@ -532,7 +540,8 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		}

		/** {@hide} */
		protected void enforceWritePermissionInner(Uri uri) throws SecurityException {
		protected void enforceWritePermissionInner(Uri uri, IBinder callerToken)
		throws SecurityException {
		final Context context = getContext();
		final int pid = Binder.getCallingPid();
		final int uid = Binder.getCallingUid();
		@@ -545,7 +554,8 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		if (mExported && checkUser(pid, uid, context)) {
		final String componentPerm = getWritePermission();
		if (componentPerm != null) {
		if (context.checkPermission(componentPerm, pid, uid) == PERMISSION_GRANTED) {
		if (context.checkPermission(componentPerm, pid, uid, callerToken)
		== PERMISSION_GRANTED) {
		return;
		} else {
		missingPerm = componentPerm;
		@@ -562,7 +572,8 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		for (PathPermission pp : pps) {
		final String pathPerm = pp.getWritePermission();
		if (pathPerm != null && pp.match(path)) {
		if (context.checkPermission(pathPerm, pid, uid) == PERMISSION_GRANTED) {
		if (context.checkPermission(pathPerm, pid, uid, callerToken)
		== PERMISSION_GRANTED) {
		return;
		} else {
		// any denied <path-permission> means we lose
		@@ -580,8 +591,8 @@ public abstract class ContentProvider implements ComponentCallbacks2 {
		}

		// last chance, check against any uri grants
		if (context.checkUriPermission(uri, pid, uid, Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
		== PERMISSION_GRANTED) {
		if (context.checkUriPermission(uri, pid, uid, Intent.FLAG_GRANT_WRITE_URI_PERMISSION,
		callerToken) == PERMISSION_GRANTED) {
		return;
		}