Only grant runtime permissions to special components.

Now runtime permissions are granted only to components that are
part of the system or perform special system operations. For
exmple, the shell UID gets its runtime permissions granted by
default and the default phone app gets the phone permissions
granted by default.

bug:21764803

Change-Id: If8b8cadbd1980ffe7a6fc15bbb5f54a425f6e8f9

1 files changed, 17 insertions, 0 deletions

diff --git a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
index fafe44a..b68abab 100644
--- a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
+++ b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
@@ -26,6 +26,7 @@ import android.content.Intent;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.IPackageManager;
 import android.content.pm.PackageManager;
+import android.content.pm.PackageManagerInternal;
 import android.content.pm.ResolveInfo;
 import android.content.pm.ServiceInfo;
 import android.content.res.Resources;
@@ -57,6 +58,7 @@ import com.android.internal.app.IVoiceInteractionSessionShowCallback;
 import com.android.internal.app.IVoiceInteractor;
 import com.android.internal.content.PackageMonitor;
 import com.android.internal.os.BackgroundThread;
+import com.android.server.LocalServices;
 import com.android.server.SystemService;
 import com.android.server.UiThread;
 
@@ -83,6 +85,21 @@ public class VoiceInteractionManagerService extends SystemService {
         mDbHelper = new DatabaseHelper(context);
         mSoundTriggerHelper = new SoundTriggerHelper(context);
         mServiceStub = new VoiceInteractionManagerServiceStub();
+
+        PackageManagerInternal packageManagerInternal = LocalServices.getService(
+                PackageManagerInternal.class);
+        packageManagerInternal.setVoiceInteractionPackagesProvider(
+                new PackageManagerInternal.PackagesProvider() {
+            @Override
+            public String[] getPackages(int userId) {
+                mServiceStub.initForUser(userId);
+                ComponentName interactor = mServiceStub.getCurInteractor(userId);
+                if (interactor != null) {
+                    return new String[] {interactor.getPackageName()};
+                }
+                return null;
+            }
+        });
     }
 
     @Override