return new JAASAuthenticator();
        }
    }

    @Test
    @DisplayName("isAnonymous and isGuest are always false")
    void testIsAnonymousAndGuestFalse() {
        JAASAuthenticator auth = new JAASAuthenticator();
        // JAAS-based authenticator should never be anonymous or guest
        assertFalse(auth.isAnonymous());
        assertFalse(auth.isGuest());
    }

    @ParameterizedTest

    }

    @Test
    @DisplayName("shouldForceSigning depends on config, creds, and IPC")
    void testShouldForceSigning() {
        when(config.isIpcSigningEnforced()).thenReturn(true);
        when(creds.isAnonymous()).thenReturn(false);

        // Case 1: share is IPC$ -> IPC
        SmbResourceLocatorImpl ipc = locator("smb://server/IPC$/");
        assertTrue(ipc.shouldForceSigning());

        // Case 2: config disabled

     * @see jcifs.smb.SmbResourceLocatorInternal#shouldForceSigning()
     */
    @Override
    public boolean shouldForceSigning() {
        return this.ctx.getConfig().isIpcSigningEnforced() && !this.ctx.getCredentials().isAnonymous() && isIPC();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbResourceLocator#isIPC()
     */
    @Override
    public boolean isIPC() {

        }

        if (transport.getContext().getConfig().isIpcSigningEnforced() && ("IPC$".equals(this.getShare()) || "IPC".equals(rsvc))
                && !sess.getCredentials().isAnonymous() && sess.getDigest() == null) {
            throw new SmbException("IPC signing is enforced, but no signing is available");
        }

        this.service = rsvc;
        this.inDfs = response.isShareDfs();

                            final SmbTransportImpl transport = tf.getTransportPool()
                                    .getSmbTransport(tf, dr.getServer(), 0, false,
                                            !tf.getCredentials().isAnonymous() && tf.getConfig().isSigningEnabled()
                                                    && tf.getConfig().isIpcSigningEnforced())
                                    .unwrap(SmbTransportImpl.class);

            final SmbTreeImpl t, final DfsReferralData referral, final SmbAuthException sae) throws SmbAuthException, CIFSException {
        try (SmbSessionImpl treesess = t.getSession()) {
            if (treesess.getCredentials().isAnonymous() || treesess.getCredentials().isGuest()) {
                // refresh anonymous session or fallback to anonymous from guest login
                try (SmbSessionInternal s =

     * <code>domain\\username</code>. This is equivalent to <code>getName()</code>.
     */
    @Override
    public String toString() {
        return getName();
    }

    @Override
    public boolean isAnonymous() {
        return this.type == AuthenticationType.NULL;
    }

    @Override
    public boolean isGuest() {
        return this.type == AuthenticationType.GUEST;
    }

        try (SmbTransportInternal trans = tf.getTransportPool()
                .getSmbTransport(tf, dc, port, false, !tf.getCredentials().isAnonymous() && tf.getConfig().isIpcSigningEnforced())
                .unwrap(SmbTransportInternal.class)) {
            trans.ensureConnected();
            return trans.getServerEncryptionKey();

                        && (!this.credentials.isGuest() && !this.credentials.isAnonymous())) {
                    throw new SmbAuthException(NtStatus.NT_STATUS_LOGON_FAILURE);
                }
                if (!this.credentials.isAnonymous() && response.isLoggedInAsGuest()) {
                    anonymous = true;
                }

        final ServerData server = negotiated.getServerData();
        if (server.security == SmbConstants.SECURITY_USER) {
            if (cred instanceof final NtlmPasswordAuthenticator a) {
                if (a.isAnonymous()) {
                    this.lmHash = new byte[0];
                    this.ntHash = new byte[0];
                    this.capabilities &= ~SmbConstants.CAP_EXTENDED_SECURITY;
                    if (a.isGuest()) {