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Commit d197486f authored by Jim Miller's avatar Jim Miller
Browse files

Send FINGERPRINT_ERROR_LOCKOUT on some devices 

For devices that don't support hardware lockout, send
FINGERPRINT_ERROR_LOCKOUT after the last unsuccessful
authentication attempt.

Fixes bug 28346640

Change-Id: Iae3eb8e422f09100a0229c350df9983af5fd8762
parent b2e36d79

services/core/java/com/android/server/fingerprint/AuthenticationClient.java

+13 −2
Original line number Diff line number Diff line
@@ -74,12 +74,23 @@ public abstract class AuthenticationClient extends ClientMonitor { 
        } else {

            result = true; // client not listening

        }

        if (fingerId == 0) {

        if (!authenticated) {

            if (receiver != null) {

                FingerprintUtils.vibrateFingerprintError(getContext());

            }

            // allow system-defined limit of number of attempts before giving up

            result |= handleFailedAttempt();

            boolean inLockoutMode =  handleFailedAttempt();

            // send lockout event in case driver doesn't enforce it.

            if (inLockoutMode) {

                try {

                    Slog.w(TAG, "Forcing lockout (fp driver code should do this!)");

                    receiver.onError(getHalDeviceId(),

                            FingerprintManager.FINGERPRINT_ERROR_LOCKOUT);

                } catch (RemoteException e) {

                    Slog.w(TAG, "Failed to notify lockout:", e);

                }

            }

            result |= inLockoutMode;

        } else {

            if (receiver != null) {

                FingerprintUtils.vibrateFingerprintSuccess(getContext());