private byte[] targetInformation;

    private static final Map<String, byte[]> TARGET_INFO_CACHE = new HashMap<>();


    private static byte[] getDefaultTargetInfo ( CIFSContext tc ) {
        String domain = tc.getConfig().getDefaultDomain();
        byte[] ti = TARGET_INFO_CACHE.get(domain);
        if ( ti != null ) {
            return ti;
        }

        ti = makeTargetInfo(tc, domain);

     * @param previousSessionid
     * @param token
     */
    public Smb2SessionSetupRequest ( CIFSContext context, int securityMode, int capabilities, long previousSessionid, byte[] token ) {
        super(context.getConfig(), SMB2_SESSION_SETUP);
        this.securityMode = securityMode;
        this.capabilities = capabilities;
        this.previousSessionId = previousSessionid;
        this.token = token;
    }


    @Override

            msg2,
            this.targetName,
            this.auth.isGuest() ? this.transportContext.getConfig().getGuestPassword() : this.auth.getPassword(),
            this.auth.isGuest() ? null : this.auth.getUserDomain(),
            this.auth.isGuest() ? this.transportContext.getConfig().getGuestUsername() : this.auth.getUsername(),
            this.workstation,
            this.ntlmsspFlags,

            try {
                long time = System.currentTimeMillis() - 1000 * 60 * 60 * 12;
                f.setLastModified(time);

                if ( ( getContext().getConfig().getCapabilities() & SmbConstants.CAP_NT_SMBS ) == 0 ) {
                    // only have second precision
                    // there seems to be some random factor (adding one second)

        }
    }


    static FileEntry[] doNetShareEnum ( SmbTreeHandleImpl th ) throws CIFSException {
        SmbComTransaction req = new NetShareEnum(th.getConfig());
        SmbComTransactionResponse resp = new NetShareEnumResponse(th.getConfig());
        th.send(req, resp);
        if ( resp.getStatus() != WinError.ERROR_SUCCESS )
            throw new SmbException(resp.getStatus(), true);

/**
 * Handle to a connected SMB tree
 * 
 * @author mbechler
 *
 */
public interface SmbTreeHandle extends AutoCloseable {

    /**
     * @return the active configuration
     */
    Configuration getConfig ();


    /**
     * {@inheritDoc}
     *
     * @see java.lang.AutoCloseable#close()
     */
    @Override
    void close () throws CIFSException;


    /**

    }


    @Override
    protected Smb2TreeDisconnectResponse createResponse ( CIFSContext tc, ServerMessageBlock2Request<Smb2TreeDisconnectResponse> req ) {
        return new Smb2TreeDisconnectResponse(tc.getConfig());
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#size()
     */
    @Override
    public int size () {

                    foundKerberos |= mechs.contains(mech);
                }
                if ( ( !foundKerberos || this.forceFallback ) && this.canFallback && tc.getConfig().isAllowNTLMFallback() ) {
                    log.debug("Falling back to NTLM authentication");
                    return super.createContext(tc, targetDomain, host, initialToken, doSigning);
                }

        super(config, SMB2_ECHO);
    }


    @Override
    protected Smb2EchoResponse createResponse ( CIFSContext tc, ServerMessageBlock2Request<Smb2EchoResponse> req ) {
        return new Smb2EchoResponse(tc.getConfig());
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#size()
     */
    @Override
    public int size () {

     */
    @Override
    protected Smb2ChangeNotifyResponse createResponse ( CIFSContext tc, ServerMessageBlock2Request<Smb2ChangeNotifyResponse> req ) {
        return new Smb2ChangeNotifyResponse(tc.getConfig());
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#size()
     */
    @Override
    public int size () {