[DO NOT MERGE] Verify package name and UID for trusted app check (0b998c2a) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/media/MediaSessionService.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -2128,6 +2128,23 @@ public class MediaSessionService extends SystemService implements Monitor {
		// Enabled notification listener only works within the same user.
		return false;
		}
		// Verify whether package name and controller UID.
		// It will indirectly check whether the caller has obtained the package name and UID
		// via ControllerInfo or with the valid package name visibility.
		try {
		int actualControllerUid = mContext.getPackageManager().getPackageUidAsUser(
		controllerPackageName,
		UserHandle.getUserId(controllerUid));
		if (controllerUid != actualControllerUid) {
		Log.w(TAG, "Failed to check enabled notification listener. Package name and"
		+ " UID doesn't match");
		return false;
		}
		} catch (PackageManager.NameNotFoundException e) {
		Log.w(TAG, "Failed to check enabled notification listener. Package name doesn't"
		+ " exist");
		return false;
		}

		if (mNotificationManager.hasEnabledNotificationListener(controllerPackageName,
		UserHandle.getUserHandleForUid(controllerUid))) {