byte[] challenge = null;

/**
 * Create an <tt>NtlmPasswordAuthentication</tt> object from the userinfo
 * component of an SMB URL like "<tt>domain;user:pass</tt>". This constructor
 * is used internally be jCIFS when parsing SMB URLs.
 */

    public NtlmPasswordAuthentication( String userInfo ) {
        domain = username = password = null;

        if( userInfo != null ) {
            try {

                    return this.handle.acquire();
                }

                // TODO: wait for pipe, still not sure when this needs to be called exactly
                if ( this.uncPath.startsWith("\\pipe\\") ) {
                    th.send(new TransWaitNamedPipe(th.getConfig(), this.uncPath), new TransWaitNamedPipeResponse(th.getConfig()));

     * on an SMB server addressed by the <code>SmbFile</code> parameter. See
     * {@link jcifs.smb.SmbFile} for a detailed description and examples of
     * the smb URL syntax. If the second argument is <code>true</code>, then
     * bytes will be written to the end of the file rather than the beginning.
     * 
     * @param file
     *            An <code>SmbFile</code> representing the file to write to
     * @param append

    
            /* We explicitly set uid to 0 here to prevent a new
             * SMB_COM_SESSION_SETUP_ANDX from having it's uid set to an
             * old value when the session is re-established. Otherwise a
             * "The parameter is incorrect" error can occur.
             */
            uid = 0;
    
            do {
                switch (state) {

        }
    }


    @Override
    public void destroy () {}


    /**
     * This method simply calls <tt>negotiate( req, resp, false )</tt>
     * and then <tt>chain.doFilter</tt>. You can override and call
     * negotiate manually to achive a variety of different behavior.
     */
    @Override

    }

    /**
     * Creates a Type-3 message in response to the given Type-2 message.
     *
     * @param type2 The Type-2 message which this represents a response to.
     * @param password The password to use when constructing the response.
     * @param domain The domain in which the user has an account.
     * @param user The username for the authenticating user.
     * @param workstation The workstation from which authentication is

        }

        return length;
    }

    /*
     * We overload this because we want readAndXWireFormat to
     * read the parameter words and bytes. This is so when
     * commands are batched together we can recursivly call
     * readAndXWireFormat without reading the non-existent header.
     */

    int decode( byte[] buffer, int bufferIndex ) {

 * list of hosts found in "Network Neighborhood".
 */ 

    public static final String MASTER_BROWSER_NAME = "\u0001\u0002__MSBROWSE__\u0002";

/**
 * A special generic name specified when connecting to a host for which
 * a name is not known. Not all servers respond to this name.
 */

    public static final String SMBSERVER_NAME = "*SMBSERVER     ";

/** 

            } catch( IOException ioe ) {
            }
        }
    }

    public void destroy() {
    }

    /**
     * This method simply calls <tt>negotiate( req, resp, false )</tt>
     * and then <tt>chain.doFilter</tt>. You can override and call
     * negotiate manually to achive a variety of different behavior.
     */
    public void doFilter( ServletRequest request,
                ServletResponse response,

import org.ietf.jgss.Oid;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;
import jcifs.spnego.NegTokenInit;


/**
 * This class used to provide Kerberos feature when setup GSSContext.
 * 
 * @author Shun
 */
class Kerb5Context implements SSPContext {

    private static final Logger log = LoggerFactory.getLogger(Kerb5Context.class);