protected DcerpcSecurityProvider securityProvider = null;
    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

     */
    String getNetbiosHostname();

    /**
     *
     * Property {@code jcifs.smb.client.logonShare}
     *
     * @return share to connect to during authentication, if unset connect to IPC$
     */
    String getLogonShare();

    /**
     *
     *
     * Property {@code jcifs.smb.client.domain}
     *
     * @return default credentials, domain name

        // Given
        Exception cause = new RuntimeException("Original error");

        // When
        exception = new SmbOperationException(SmbOperationException.ErrorCode.CONNECTION_FAILED, "Failed to connect", cause);

        // Then
        assertEquals(cause, exception.getCause());
        assertEquals(SmbOperationException.ErrorCategory.NETWORK, exception.getErrorCategory());
        assertTrue(exception.isRetryable());

    /**
     * SMB command to logoff from a session with extended attributes.
     */
    public static final byte SMB_COM_LOGOFF_ANDX = (byte) 0x74;

    /**
     * SMB command to connect to a tree share with extended attributes.
     */
    public static final byte SMB_COM_TREE_CONNECT_ANDX = (byte) 0x75;

    /**
     * SMB command for NT transaction operations.
     */

errors.failed_to_read_request_file=Échec de la lecture d'un fichier de requête : {0}
errors.invalid_header_for_request_file=Ligne d'en-tête non valide : {0}
errors.could_not_delete_logged_in_user=Vous ne pouvez pas supprimer un utilisateur connecté.
errors.unauthorized_request=Requête non autorisée.
errors.failed_to_print_thread_dump=Échec de l'impression d'un vidage de thread.
errors.file_is_not_supported={0} n'est pas pris en charge.

        // This test verifies that when a Type 1 NTLM message is received,
        // the filter processes it correctly through NtlmSsp.authenticate

        // Create a minimal filter config that won't try to connect to a real server
        Map<String, String> initParams = new HashMap<>();
        initParams.put("jcifs.smb.client.domain", "TEST_DOMAIN");
        // Don't set domainController to avoid real connection attempts

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Locale;
import java.util.UUID;

import org.apache.catalina.connector.ClientAbortException;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.io.CopyUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.curl.Curl.Method;

            SmbTransportImpl transport = new SmbTransportImpl(context, serverUniAddress, port, localAddress, localPort, forceSigning);

            // Ensure the transport is connected and ready
            transport.ensureConnected();

            // Verify multi-channel capability (SMB3+ required)

    /** SMB2 session setup command */
    protected static final short SMB2_SESSION_SETUP = 0x01;
    /** SMB2 logoff command */
    protected static final short SMB2_LOGOFF = 0x02;
    /** SMB2 tree connect command */
    protected static final short SMB2_TREE_CONNECT = 0x0003;
    /** SMB2 tree disconnect command */
    protected static final short SMB2_TREE_DISCONNECT = 0x0004;
    /** SMB2 create/open file command */

            }

            return (int) (this.fp - start);
        }
    }

    /**
     * This stream class is unbuffered. Therefore this method will always
     * return 0 for streams connected to regular files. However, a
     * stream created from a Named Pipe this method will query the server using a
     * "peek named pipe" operation and return the number of available bytes
     * on the server.
     */