}

    int type;
    String domainName = null;
    String acctName = null;
    String origin_server = null;
    CIFSContext origin_ctx = null;


    /**
     * Construct a SID from it's binary representation.
     *
     * 
     * @param src
     * @param si
     */
    public SID ( byte[] src, int si ) {
        this.revision = src[ si++ ];

     */

    @Override
    public void write ( int b ) throws IOException {
        this.tmp[ 0 ] = (byte) b;
        write(this.tmp, 0, 1);
    }


    /**
     * Writes b.length bytes from the specified byte array to this
     * file output stream.
     *
     * @throws IOException
     *             if a network error occurs
     */

    @Override

import java.util.Random;

import jcifs.smb1.Config;
import jcifs.smb1.util.*;

import java.util.Arrays;

/**
 * This class stores and encrypts NTLM user credentials. The default
 * credentials are retrieved from the <tt>jcifs.smb1.smb1.client.domain</tt>,
 * <tt>jcifs.smb1.smb1.client.username</tt>, and <tt>jcifs.smb1.smb1.client.password</tt>
 * properties.
 * <p>
 * Read <a href="../../../authhandler.html">jCIFS Exceptions and

public abstract class Transport implements Runnable, AutoCloseable {

    private static int id = 0;
    private static final Logger log = LoggerFactory.getLogger(Transport.class);


    /**
     * Read bytes from the input stream into a buffer
     * 
     * @param in
     * @param b
     * @param off
     * @param len
     * @return number of bytes read
     * @throws IOException
     */

                return null;
            }

            @SuppressWarnings ( "resource" )
            SmbTransportInternal trans = dc.unwrap(SmbTransportInternal.class);
            // the tconHostName is from the DC referral, that referral must be resolved
            // before following deeper ones. Otherwise e.g. samba will return a broken
            // referral.
            synchronized ( trans ) {
                try {

     * 
     * @param to
     * @param from
     */
    public static void cloneInternal ( Kerb5Authenticator to, Kerb5Authenticator from ) {
        NtlmPasswordAuthenticator.cloneInternal(to, from);
        to.setUser(from.getUser());
        to.setRealm(from.getRealm());
        to.setService(from.getService());
        to.setLifeTime(from.getLifeTime());
        to.setUserLifeTime(from.getUserLifeTime());

    /**
     * Creates an {@link java.io.InputStream} for reading bytes from a file on
     * an SMB server represented by the {@link jcifs.smb.SmbFile} parameter. See
     * {@link jcifs.smb.SmbFile} for a detailed description and examples of
     * the smb URL syntax.
     *
     * @param file
     *            An <code>SmbFile</code> specifying the file to read from
     * @throws SmbException
     */

                type2.getChallenge());
    }

    /**
     * Returns the default domain from the current environment.
     *
     * @return The default domain.
     */
    public static String getDefaultDomain() {
        return DEFAULT_DOMAIN;
    }

    /**
     * Returns the default user from the current environment.
     *
     * @return The default user.
     */

     * Creates a Type-2 message using default values from the current
     * environment.
     * 
     * @param tc
     *            context to use
     */
    public Type2Message ( CIFSContext tc ) {
        this(tc, getDefaultFlags(tc), null, null);
    }


    /**
     * Creates a Type-2 message in response to the given Type-1 message
     * using default values from the current environment.
     * 

                        dc_list_expiration = now + 1000 * 60 * 15; /* 15 min */
                        if (SmbTransport.log.level >= 2) {
                            SmbTransport.log.println( "Failed to retrieve DC list from WINS" );
                        }
                    }
                }

                int max = Math.min( dc_list.length, LOOKUP_RESP_LIMIT );
                for (int j = 0; j < max; j++) {