blob = (byte[]) cred;
            } else {
                throw new SmbException("Unsupported credential type");
            }
        } else if (session.transport.server.security == SECURITY_SHARE) {
            if (!(cred instanceof final NtlmPasswordAuthentication auth)) {
                throw new SmbException("Unsupported credential type");
            }
            lmHash = new byte[0];

        // Try to call again
        SmbException e = assertThrows(SmbException.class, () -> {
            context.initSecContext(new byte[0], 0, 0);
        });
        assertEquals("Invalid state", e.getMessage());
    }

    @Test
    void testInitSecContext_malformedType2Message() throws SmbException {
        // Test handling of a malformed Type 2 message

    }

    @Override
    public byte[] initSecContext(final byte[] token, final int offset, final int len) throws SmbException {
        return switch (this.state) {
        case 1 -> makeNegotiate(token);
        case 2 -> makeAuthenticate(token);
        default -> throw new SmbException("Invalid state");
        };
    }

    /**

 */

package jcifs.dcerpc.msrpc;

import java.io.IOException;

import jcifs.dcerpc.DcerpcHandle;
import jcifs.dcerpc.rpc;
import jcifs.smb.SmbException;

/**
 * LSA policy handle for Local Security Authority operations.
 */
public class LsaPolicyHandle extends rpc.policy_handle implements AutoCloseable {

    private final DcerpcHandle handle;

        }).when(mockHandle).sendrecv(closeCaptor.capture());

        SamrPolicyHandle handle = new SamrPolicyHandle(mockHandle, server, access);

        SmbException thrown = assertThrows(SmbException.class, handle::close);

        // SmbException constructor maps non-NT status codes to NT_STATUS_UNSUCCESSFUL
        assertEquals(0xC0000001, thrown.getNtStatus()); // NT_STATUS_UNSUCCESSFUL

 */

package jcifs.dcerpc.msrpc;

import java.io.IOException;

import jcifs.dcerpc.DcerpcHandle;
import jcifs.dcerpc.rpc;
import jcifs.smb.SmbException;

/**
 * Handle for Security Account Manager (SAM) alias operations.
 * This class represents an open handle to a SAM alias and provides
 * operations for managing alias membership and properties.
 */

                if (found == null) {
                    throw new SmbException("Server does advertise any supported mechanism");
                }
            }
        } else if (spToken instanceof final NegTokenTarg targ) {
            if (this.firstResponse) {
                if (!this.mechContext.isSupported(targ.getMechanism())) {
                    throw new SmbException("Server chose an unsupported mechanism " + targ.getMechanism());

        // After 3 failures, account should be locked
        try {
            rateLimiter.checkAttempt(username, ip);
            fail("Should throw SmbException for locked account");
        } catch (SmbException e) {
            assertTrue(e.getMessage().contains("locked out"), "Should indicate account lockout");
        }
    }

    @Test
    public void testIpRateLimit() throws Exception {

        checkStatus();
        final FileEntry n = advance();
        if (n == null) {
            doClose();
        }
        return n;
    }

    /**
     * @throws SmbException
     */
    private void checkStatus() throws SmbException {
        final int status = this.response.getStatus();
        if (status == WinError.ERROR_SERVICE_NOT_INSTALLED) {
            throw new SmbUnsupportedOperationException();
        }

     * @param name the name of the file
     * @return true if the file should be included, false otherwise
     * @throws SmbException if an SMB error occurs during evaluation
     */
    boolean accept(SmbFile dir, String name) throws SmbException;