import java.net.URLStreamHandler;
import java.net.URLStreamHandlerFactory;
import java.util.HashMap;
import java.util.Map;
import java.util.StringTokenizer;

/**
 * A <code>URLStreamHandler</code> used to provide NTLM authentication
 * capabilities to the default HTTP handler.  This acts as a wrapper,
 * handling authentication and passing control to the underlying
 * stream handler.
 */
public class Handler extends URLStreamHandler {

import java.util.Map;
import java.util.StringTokenizer;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSContext;

/**
 * A <code>URLStreamHandler</code> used to provide NTLM authentication
 * capabilities to the default HTTP handler. This acts as a wrapper,
 * handling authentication and passing control to the underlying
 * stream handler.
 *

            // When & Then
            assertThrows(CIFSException.class, () -> transportPool.logon(context, address));
        }

        @Test
        @DisplayName("Should get NTLM challenge with address")
        void testGetChallengeWithAddress() throws CIFSException {
            // Given
            byte[] expectedChallenge = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };

import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.CIFSContext;

/**
 * Tests for the {@link Handler} class.
 * This class tests the functionality of the NTLM URLStreamHandler wrapper.
 */
@ExtendWith(MockitoExtension.class)
class HandlerTest {

    @Mock
    private CIFSContext mockCifsContext;

    private Handler handler;

            return entity;
        });
    }

    /**
     * Registers available protocol scheme items for web authentication forms.
     * Includes Basic, Digest, NTLM, and Form authentication schemes.
     *
     * @param data the render data to register the protocol scheme items with
     */
    protected void registerProtocolSchemeItems(final RenderData data) {

     * Constructs a signing digest from transport and authentication information
     *
     * @param transport
     *            The SMB transport containing server encryption key
     * @param auth
     *            The NTLM password authenticator containing user credentials
     * @throws SmbException
     *             If there is an error setting up the signing digest
     */

        byte[] r15 = NtlmUtil.getPreNTLMResponse(cifsContext, password15, challenge);

        // Assert: equal because only first 14 OEM bytes are used
        assertArrayEquals(r14, r15, "Only first 14 OEM bytes affect Pre-NTLM response");
        assertEquals(24, r14.length);

        // Verify collaborator interactions
        verify(cifsContext, atLeastOnce()).getConfig();
        verify(configuration, atLeastOnce()).getOemEncoding();

        final String[] arr = new String[4];
        final long expiration = System.currentTimeMillis() + Dfs.TTL * 1000;

        int di = 0;
        for (;;) {
            /* NTLM HTTP Authentication must be re-negotiated
             * with challenge from 'server' to access DFS vol. */
            dr.resolveHashes = auth.hashesExternal;
            dr.ttl = resp.referrals[di].ttl;

    private static int call_id = 1;

    /**
     * Gets a DCERPC handle for the specified URL and authentication
     * @param url the DCERPC URL to connect to
     * @param auth the NTLM authentication credentials
     * @return a DCERPC handle for the connection
     * @throws UnknownHostException if the host cannot be resolved
     * @throws MalformedURLException if the URL is malformed

    public static final String BASIC = "BASIC";

    /** Digest authentication type identifier. */
    public static final String DIGEST = "DIGEST";

    /** NTLM authentication type identifier. */
    public static final String NTLM = "NTLM";

    /** Form-based authentication type identifier. */
    public static final String FORM = "FORM";

    /** Samba authentication type identifier. */