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Commit 6e14477f authored by JW Kwon's avatar JW Kwon
Browse files

Prevent 3rd party app from turning on speaker during the system call 


Test: manual

Change-Id: I514f88e52a799e8b570038400c0e7b48aed1b223
Signed-off-by: default avatarJW Kwon <jw7.kwon@samsung.com>
parent 7b532b73

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

+15 −0
Original line number Diff line number Diff line
@@ -3253,6 +3253,21 @@ public class AudioService extends IAudioService.Stub 
        if (!checkAudioSettingsPermission("setSpeakerphoneOn()")) {

            return;

        }



        if (mContext.checkCallingOrSelfPermission(

                android.Manifest.permission.MODIFY_PHONE_STATE)

                != PackageManager.PERMISSION_GRANTED) {

            synchronized (mSetModeDeathHandlers) {

                for (SetModeDeathHandler h : mSetModeDeathHandlers) {

                    if (h.getMode() == AudioSystem.MODE_IN_CALL) {

                        Log.w(TAG, "getMode is call, Permission Denial: setSpeakerphoneOn from pid="

                                + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());

                        return;

                    }

                }

            }

        }



        // for logging only

        final String eventSource = new StringBuilder("setSpeakerphoneOn(").append(on)

                .append(") from u/pid:").append(Binder.getCallingUid()).append("/")