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Commit da42712c authored by Eric Laurent's avatar Eric Laurent
Browse files

AudioService: clear caller identity before broadcasting intent 

As setMicrophoneMute API is processed inside a binder call,
the caller identity mnust be cleared before broadcasting intent
ACTION_MICROPHONE_MUTE_CHANGED.

Bug: 144406103
Test: make
Change-Id: I2a573932ebcd92cd76bf734a4c6c8dfd28d9bbb7
parent 2c6c2040

services/core/java/com/android/server/audio/AudioService.java

+6 −3
Original line number Diff line number Diff line
@@ -2919,12 +2919,15 @@ public class AudioService extends IAudioService.Stub 
            final boolean currentMute = AudioSystem.isMicrophoneMuted();

            final long identity = Binder.clearCallingIdentity();

            AudioSystem.muteMicrophone(muted);

            Binder.restoreCallingIdentity(identity);

            try {

                if (muted != currentMute) {

                    mContext.sendBroadcastAsUser(

                        new Intent(AudioManager.ACTION_MICROPHONE_MUTE_CHANGED)

                                .setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY), UserHandle.ALL);

                }

            } finally {

                Binder.restoreCallingIdentity(identity);

            }

        }

    }