* expires an encapsulating TransportException will be thrown from connect
     * and the transport will be in error.
     */

    protected abstract void doConnect() throws Exception;

    /* Tear down a connection. If the hard parameter is true, the diconnection
     * procedure should not initiate or wait for any outstanding requests on
     * this transport.
     */

     * and the transport will be in error.
     */

    protected abstract void doConnect () throws Exception;


    /*
     * Tear down a connection. If the hard parameter is true, the diconnection
     * procedure should not initiate or wait for any outstanding requests on
     * this transport.
     */

import java.io.StringWriter;

import jcifs.smb1.util.Hexdump;

import java.io.PrintWriter;

/**
 * There are hundreds of error codes that may be returned by a CIFS
 * server. Rather than represent each with it's own <code>Exception</code>
 * class, this class represents all of them. For many of the popular
 * error codes, constants and text messages like "The device is not ready"
 * are provided.
 * <p>

                        RC4 rc4 = new RC4(ntlm2SessionKey);
                        rc4.update(masterKey, 0, 16, exchangedKey, 0);
/* RC4 was not added to Java until 1.5u7 so let's use our own for a little while longer ...
                        try {
                            Cipher rc4 = Cipher.getInstance("RC4");
                            rc4.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(ntlm2SessionKey, "RC4"));

    public static final int PIPE_TYPE_TRANSACT = 0x0200;

    /**
     * Pipe is used for DCE
     */
    public static final int PIPE_TYPE_DCE_TRANSACT = 0x0200 | 0x0400;

    /**
     * Pipe should use it's own exclusive transport connection
     */
    public static final int PIPE_TYPE_UNSHARED = 0x800;


    /**
     * @return the type of the pipe
     */
    int getPipeType ();


    /**

import java.util.Map;

import jcifs.CIFSException;
import jcifs.util.Hexdump;


/**
 * There are hundreds of error codes that may be returned by a CIFS
 * server. Rather than represent each with it's own <code>Exception</code>
 * class, this class represents all of them. For many of the popular
 * error codes, constants and text messages like "The device is not ready"
 * are provided.
 * <p>

        0x10040000, 0x10001000, 0x10001040, 0x00000000,
        0x10041040, 0x00041000, 0x00041000, 0x00001040,
        0x00001040, 0x00040040, 0x10000000, 0x10041000
    };


 /// Squash bytes down to ints.
    public static void squashBytesToInts( byte[] inBytes, int inOff, int[] outInts,
                                           int outOff, int intLen ) {

        for ( int i = 0; i < intLen; ++i )

            for (int j = 0; j < 4; j++)
                result[i * 4 + j] = (byte)(context[i] >>> (8 * j));

        // reset the engine
        engineReset();
        return result;
    }


// own methods
//...........................................................................

    /**
     *    MD4 basic transformation.
     *    <p>
     *    Transforms context based on 512 bits from input block starting