Relax security constraint around getAuthenticatorId().

Fixes bug 28603656

Change-Id: I54216d4b9a3ab23f9d5bfe0f40f2dd27e723c21e

1 files changed, 5 insertions, 7 deletions

diff --git a/services/core/java/com/android/server/fingerprint/FingerprintService.java b/services/core/java/com/android/server/fingerprint/FingerprintService.java
index cc556c7e45b3..081a3afd048f 100644
--- a/services/core/java/com/android/server/fingerprint/FingerprintService.java
+++ b/services/core/java/com/android/server/fingerprint/FingerprintService.java
@@ -1019,14 +1019,12 @@ public class FingerprintService extends SystemService implements IBinder.DeathRe
         }
     }
 
+    /***
+     * @param opPackageName the name of the calling package
+     * @return authenticator id for the current user
+     */
     public long getAuthenticatorId(String opPackageName) {
-        if (canUseFingerprint(opPackageName, false /* foregroundOnly */,
-                Binder.getCallingUid(), Binder.getCallingPid())) {
-            return mCurrentAuthenticatorId;
-        } else {
-            Slog.w(TAG, "Client isn't current, returning authenticator_id=0");
-        }
-        return 0;
+        return mCurrentAuthenticatorId;
     }
 
 }