/**
     * 
     * @return whether the transport is disconnected
     */
    public boolean isDisconnected () {
        return this.state == 4 || this.state == 5 || this.state == 6 || this.state == 0;
    }


    /**
     * @return whether the transport is marked failed
     */
    public boolean isFailed () {

        return toByteArray(this);
    }


    /**
     * 
     * @return whether the SID is empty (no sub-authorities)
     */
    public boolean isEmpty () {
        return this.sub_authority_count == 0;
    }


    /**
     * 
     * @return whether the SID is blank (all sub-authorities zero)
     */
    public boolean isBlank () {
        boolean blank = true;

     *             if a network error occurs
     */

    @Override
    public void write ( byte[] b ) throws IOException {
        write(b, 0, b.length);
    }


    /**
     * @return whether the stream is open
     */
    public boolean isOpen () {
        return this.handle != null && this.handle.isValid();
    }


    protected synchronized SmbFileHandleImpl ensureOpen () throws CIFSException {

        return getHandle(url, tc, false);
    }


    /**
     * Get a handle to a service
     * 
     * @param url
     * @param tc
     * @param unshared
     *            whether an exclusive connection should be used
     * @return a DCERPC handle for the given url
     * @throws MalformedURLException
     * @throws DcerpcException
     */

     * 
     * @return whether a authentication failure during DFS resolving will throw an exception
     */
    boolean isDfsStrictView ();


    /**
     * 
     * Property <tt>jcifs.smb.client.dfs.disabled</tt> (boolean, default false)
     * 
     * @return whether DFS lookup is disabled
     */
    boolean isDfsDisabled ();


    /**

    private Cipher sealServerHandle;


    /**
     * @param tc
     *            context to use
     * @param auth
     *            credentials
     * @param doSigning
     *            whether signing is requested
     */
    public NtlmContext ( CIFSContext tc, NtlmPasswordAuthenticator auth, boolean doSigning ) {
        this.transportContext = tc;
        this.auth = auth;

     * 
     */
    protected BaseConfiguration () throws CIFSException {
        this(false);
    }


    /**
     * 
     * @param initDefaults
     *            whether to initialize defaults based on other settings
     * @throws CIFSException
     */
    public BaseConfiguration ( boolean initDefaults ) throws CIFSException {
        if ( initDefaults ) {

 * 
 * 2) IP Address, NetBIOS name, nodeType, groupName - If however a
 * legal NetBIOS name string is used a name query request will retreive
 * the IP, node type, and whether or not this NbtAddress represents a
 * group name. This degree of state can be obtained with a Name Query
 * Request or Node Status Request.
 * 
 * 3) All - The NbtAddress will be populated with all state such as mac

     * new <tt>SmbResource</tt></i>.
     *
     * @param dest
     *            An <code>SmbResource</code> that represents the new pathname
     * @param replace
     *            Whether an existing destination file should be replaced (only supported with SMB2)
     * @throws CIFSException
     * @throws NullPointerException
     *             If the <code>dest</code> argument is <code>null</code>
     */

        return this.share;
    }


    /**
     * @return whether this is a DFS share
     */
    public boolean isDfs () {
        return this.inDfs;
    }


    /**
     * 
     */
    void markDomainDfs () {
        this.inDomainDfs = true;
    }


    /**
     * @return whether this tree was accessed using domain DFS
     */
    public boolean isInDomainDfs () {