BroadcastReceiver : Get sender of broadcasts (4d8c54ec) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityManagerNative.java

+22 −0

Original line number	Diff line number	Diff line
		@@ -552,6 +552,15 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
		return true;
		}

		case GET_CALLING_PACKAGE_FOR_BROADCAST_TRANSACTION: {
		data.enforceInterface(IActivityManager.descriptor);
		boolean foreground = data.readInt() == 1 ? true : false;
		String res = getCallingPackageForBroadcast(foreground);
		reply.writeNoException();
		reply.writeString(res);
		return true;
		}

		case GET_CALLING_ACTIVITY_TRANSACTION: {
		data.enforceInterface(IActivityManager.descriptor);
		IBinder token = data.readStrongBinder();
		@@ -2935,6 +2944,19 @@ class ActivityManagerProxy implements IActivityManager
		reply.recycle();
		return res;
		}
		public String getCallingPackageForBroadcast(boolean foreground) throws RemoteException
		{
		Parcel data = Parcel.obtain();
		Parcel reply = Parcel.obtain();
		data.writeInterfaceToken(IActivityManager.descriptor);
		data.writeInt(foreground ? 1 : 0);
		mRemote.transact(GET_CALLING_PACKAGE_FOR_BROADCAST_TRANSACTION, data, reply, 0);
		reply.readException();
		String res = reply.readString();
		data.recycle();
		reply.recycle();
		return res;
		}
		public ComponentName getCallingActivity(IBinder token)
		throws RemoteException {
		Parcel data = Parcel.obtain();

core/java/android/app/IActivityManager.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -117,6 +117,7 @@ public interface IActivityManager extends IInterface {
		public void activitySlept(IBinder token) throws RemoteException;
		public void activityDestroyed(IBinder token) throws RemoteException;
		public String getCallingPackage(IBinder token) throws RemoteException;
		public String getCallingPackageForBroadcast(boolean foreground) throws RemoteException;
		public ComponentName getCallingActivity(IBinder token) throws RemoteException;
		public List<IAppTask> getAppTasks(String callingPackage) throws RemoteException;
		public int addAppTask(IBinder activityToken, Intent intent,
		@@ -781,4 +782,5 @@ public interface IActivityManager extends IInterface {
		int BOOT_ANIMATION_COMPLETE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+237;
		int GET_TASK_DESCRIPTION_ICON_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+238;
		int LAUNCH_ASSIST_INTENT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+239;
		int GET_CALLING_PACKAGE_FOR_BROADCAST_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+240;
		}

core/java/android/content/BroadcastReceiver.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package android.content;

		import android.app.ActivityManager;
		import android.app.ActivityManagerNative;
		import android.app.ActivityThread;
		import android.app.IActivityManager;
		@@ -745,6 +746,17 @@ public abstract class BroadcastReceiver {
		return mPendingResult.mSendingUser;
		}

		/** @hide */
		public String getSendingPackage(Intent intent) {
		final IActivityManager mgr = ActivityManagerNative.getDefault();
		try {
		boolean fg = (intent.getFlags() & Intent.FLAG_RECEIVER_FOREGROUND) != 0;
		return mgr.getCallingPackageForBroadcast(fg);
		} catch (RemoteException ex) {
		return null;
		}
		}

		/**
		* Control inclusion of debugging help for mismatched
		* calls to {@link Context#registerReceiver(BroadcastReceiver, IntentFilter)

services/core/java/com/android/server/am/ActivityManagerService.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -6608,6 +6608,18 @@ public final class ActivityManagerService extends ActivityManagerNative
		}
		}

		public String getCallingPackageForBroadcast(boolean foreground) {
		BroadcastQueue queue = foreground ? mFgBroadcastQueue : mBgBroadcastQueue;
		BroadcastRecord r = queue.getProcessingBroadcast();
		if (r != null) {
		return r.callerPackage;
		} else {
		Log.e(TAG, "Broadcast sender is only retrievable in the onReceive");
		}
		return null;
		}


		private ActivityRecord getCallingRecordLocked(IBinder token) {
		ActivityRecord r = ActivityRecord.isInStackLocked(token);
		if (r == null) {

services/core/java/com/android/server/am/BroadcastQueue.java

+13 −0

Original line number	Diff line number	Diff line
		@@ -126,6 +126,11 @@ public final class BroadcastQueue {
		*/
		BroadcastRecord mPendingBroadcast = null;

		/**
		* Intent broadcast that we are currently processing
		*/
		BroadcastRecord mCurrentBroadcast = null;

		/**
		* The receiver index that is pending, to restart the broadcast if needed.
		*/
		@@ -540,6 +545,10 @@ public final class BroadcastQueue {
		}
		}

		BroadcastRecord getProcessingBroadcast() {
		return mCurrentBroadcast;
		}

		final void processNextBroadcast(boolean fromMsg) {
		synchronized(mService) {
		BroadcastRecord r;
		@@ -560,6 +569,7 @@ public final class BroadcastQueue {
		r = mParallelBroadcasts.remove(0);
		r.dispatchTime = SystemClock.uptimeMillis();
		r.dispatchClockTime = System.currentTimeMillis();
		mCurrentBroadcast = r;
		final int N = r.receivers.size();
		if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Processing parallel broadcast ["
		+ mQueueName + "] " + r);
		@@ -571,6 +581,7 @@ public final class BroadcastQueue {
		deliverToRegisteredReceiverLocked(r, (BroadcastFilter)target, false);
		}
		addBroadcastToHistoryLocked(r);
		mCurrentBroadcast = null;
		if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Done with parallel broadcast ["
		+ mQueueName + "] " + r);
		}
		@@ -620,6 +631,7 @@ public final class BroadcastQueue {
		return;
		}
		r = mOrderedBroadcasts.get(0);
		mCurrentBroadcast = r;
		boolean forceReceive = false;

		// Ensure that even if something goes awry with the timeout
		@@ -693,6 +705,7 @@ public final class BroadcastQueue {
		// ... and on to the next...
		addBroadcastToHistoryLocked(r);
		mOrderedBroadcasts.remove(0);
		mCurrentBroadcast = null;
		r = null;
		looped = true;
		continue;