static final int O_WRONLY = 0x02;
    static final int O_RDWR   = 0x03;
    static final int O_APPEND = 0x04;

    // Open Function Encoding
    // create if the file does not exist
    static final int O_CREAT  = 0x0010;
    // fail if the file exists
    static final int O_EXCL   = 0x0020;
    // truncate if the file exists
    static final int O_TRUNC  = 0x0040;

    // share access
/**

                ttype = TT_EOF;
                return true;
            }
        }
        return false;
    }

    private boolean processWhitespace() {
        peekct = peekc < 256 ? ctype[peekc] : CT_ALPHA;
        while ((peekct & CT_WHITESPACE) != 0) {
            if (peekc == '\r') {
                peekc = read();
                if (peekc == '\n') {
                    peekc = read();
                }

    protected static final String SPNEGO_ALLOW_BASIC = "spnego.allow.basic";
    protected static final String SPNEGO_PREAUTH_PASSWORD = "spnego.preauth.password";
    protected static final String SPNEGO_PREAUTH_USERNAME = "spnego.preauth.username";
    protected static final String SPNEGO_LOGIN_SERVER_MODULE = "spnego.login.server.module";

                        throw e;
                    }
                }
            }
            else if ( trans.hasCapability(SmbConstants.CAP_NT_SMBS) ) {
                int flags = SmbConstants.O_CREAT;
                int sharing = SmbConstants.FILE_SHARE_DELETE | SmbConstants.FILE_SHARE_READ | SmbConstants.FILE_SHARE_WRITE;

    }

    protected static boolean isMaskedValue(final String key) {
        return "http.proxy.password".equals(key) //
                || "ldap.admin.security.credentials".equals(key) //
                || "spnego.preauth.password".equals(key) //
                || "app.cipher.key".equals(key) //
                || "oic.client.id".equals(key) //
                || "oic.client.secret".equals(key);
    }

                Smb2CreateRequest req = new Smb2CreateRequest(config, uncPath);
                req.setDesiredAccess(access);

                if ( ( flags & SmbConstants.O_TRUNC ) == O_TRUNC && ( flags & SmbConstants.O_CREAT ) == O_CREAT ) {
                    req.setCreateDisposition(Smb2CreateRequest.FILE_OVERWRITE_IF);
                }
                else if ( ( flags & SmbConstants.O_TRUNC ) == O_TRUNC ) {

            return;
        }

        Smb2NegotiateResponse nego = (Smb2NegotiateResponse) trans.getNegotiateResponse();
        if ( nego.getSelectedDialect().atLeast(DialectVersion.SMB311) ) {
            // have preauth integrity instead
            log.debug("Secure negotiation does not apply, is SMB3.1");
            return;
        }

            updatePreauthHash(resp.getRequestRaw());
            updatePreauthHash(resp.getResponseRaw());
            if ( log.isDebugEnabled() ) {
                log.debug("Preauth hash after negotiate " + Hexdump.toHexString(this.preauthIntegrityHash));
            }
        }
    }


    protected synchronized void doDisconnect ( boolean hard ) throws IOException {