* @param customProvider
     * @throws Exception if Provider has already been initialized.
     */
    public static void initProvider(Provider customProvider) throws CIFSUnsupportedCryptoException {
        if (provider != null) {
            throw new CIFSUnsupportedCryptoException("Provider can't be re-initialized. Provider has already been initialized with "+ provider.getInfo());
        }
        provider = customProvider;

        "The file exists.",
        "The parameter is incorrect.",
        "Too many Uids active on this session.",
        "The Uid is not known as a valid user identifier on this session.",
        "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.",

     * @see jcifs.util.transport.Response#isError()
     */
    @Override
    public final boolean isError () {
        return this.error;
    }


    /**
     * @return whether the packet has been signed.
     */
    public boolean isSigned () {
        return ( getFlags() & SMB2_FLAGS_SIGNED ) != 0;
    }


    /**
     * {@inheritDoc}
     *

     *            If true the negotiation is only done if it is
     *            initiated by the client (MSIE post requests after successful NTLM SSP
     *            authentication). If false and the user has not been authenticated yet
     *            the client will be forced to send an authentication (server sends
     *            HttpServletResponse.SC_UNAUTHORIZED).
     * @return True if the negotiation is complete, otherwise false

                RANDOM.nextBytes(clientChallenge);
                java.util.Arrays.fill(clientChallenge, 8, 24, (byte)0x00);

// NTLMv1 w/ NTLM2 session sec and key exch all been verified with a debug build of smbclient

                byte[] responseKeyNT = NtlmPasswordAuthentication.nTOWFv1(password);
                byte[] ntlm2Response = NtlmPasswordAuthentication.getNTLM2Response(responseKeyNT,

     * <p>
     * Specifically, if the SID has
     * been resolved and it is not a domain SID or builtin account,
     * the full DOMAIN\name form of the account will be
     * returned (e.g. MYDOM\alice or MYDOM\Domain Users).
     * If the SID has been resolved but it is is a domain SID,
     * only the domain name will be returned (e.g. MYDOM).
     * If the SID has been resolved but it is a builtin account,

        if ( ro == null || ro.length() == 0 ) {
            /*
             * No resolveOrder has been specified, use the
             * default which is LMHOSTS,DNS,WINS,BCAST or just
             * LMHOSTS,DNS,BCAST if jcifs.netbios.wins has not
             * been specified.
             */
            if ( this.winsServer.length == 0 ) {

     * href="../../../nbtcodes.html">Here</a> is
     * a fairly complete list of NetBIOS hex codes. Scope is not used but is
     * still functional in other NetBIOS products and so for completeness it has been
     * implemented. A <code>scope</code> of <code>null</code> or <code>""</code>
     * signifies no scope.
     * 
     * The additional <code>svr</code> parameter specifies the address to

     */
    void setupRequest ( CommonServerMessageBlock request );


    /**
     * @param resp
     */
    void setupResponse ( Response resp );


    /**
     * @return whether signing has been negotiated
     */
    boolean isSigningNegotiated ();


    /**
     * @param cap
     * @return whether capability is negotiated
     */
    boolean haveCapabilitiy ( int cap );


    /**

     * @return whether the transport has the given capability
     * @throws SmbException
     */
    boolean hasCapability ( int cap ) throws SmbException;


    /**
     * @return whether the transport has been disconnected
     */
    boolean isDisconnected ();


    /**
     * @param hard
     * @param inuse
     * @return whether the connection was in use
     * @throws IOException
     */