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 {

    }

    protected final String getRequestingURL() {
        return url;
    }
    protected final SmbAuthException getRequestingException() {
        return sae;
    }

/**
Used internally by jCIFS when an <tt>SmbAuthException</tt> is trapped to retrieve new user credentials.
 */

    public static NtlmPasswordAuthentication
                requestNtlmPasswordAuthentication( String url, SmbAuthException sae ) {

    /**
     * When specified as the <tt>shareAccess</tt> constructor parameter,
     * other SMB clients (including other threads making calls into jCIFS)
     * will not be permitted to access the target file and will receive "The
     * file is being accessed by another process" message.
     */
    static final int FILE_NO_SHARE = 0x00;
    /**

     * Get the next set of changes
     * 
     * Will block until the server returns a set of changes that match the given filter. The file will be automatically
     * opened if it is not and should be closed with {@link #close()} when no longer
     * needed.
     * 
     * Closing the context should cancel a pending notify request, but that does not seem to work reliable in all
     * implementations.
     * 

 * SMB server addressed by the URL parameter. See {@link jcifs.smb1.smb1.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 url An smb URL string representing the file to write to
 * @param append Append to the end of file
 */

        "The pipe has been ended.",
        "The filename, directory name, or volume label syntax is incorrect.",
        "The directory is not empty.",
        "Cannot create a file when that file already exists.",
        "All pipe instances are busy.",
        "The pipe is being closed.",
        "No process is on the other end of the pipe.",
        "More data is available.",

 * the access mask of the ACE, the access check is successful. Otherwise,
 * more ACEs are evaluated until all desired access bits (combined)
 * are "allowed". If all of the desired access bits are not "allowed"
 * the then same process is repeated for inherited ACEs.
 * <p>
 * For example, if user <tt>WNET\alice</tt> tries to open a file
 * with desired access bits <tt>0x00000003</tt> (<tt>FILE_READ_DATA |

                    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

     * Creates a directory watch
     * 
     * The server will notify the client when there are changes to the directories contents
     * 
     * @param filter
     *            see constants in {@link FileNotifyInformation}
     * @param recursive
     *            whether to also watch subdirectories
     * @return watch context, needs to be closed when finished
     * @throws CIFSException
     */