} else {
                throw new SmbException("Unsupported credential type " + (cred != null ? cred.getClass() : "NULL"));
            }
        } else if (server.security == SmbConstants.SECURITY_SHARE) {
            if (!(cred instanceof final NtlmPasswordAuthenticator a)) {
                throw new SmbException("Unsupported credential type");
            }
            this.lmHash = new byte[0];

    /**
     * Open function to overwrite if file exists.
     */
    int OPEN_FUNCTION_OVERWRITE_IF_EXISTS = 0x0020;

    /**
     * Share level security mode.
     */
    int SECURITY_SHARE = 0x00;
    /**
     * User level security mode.
     */
    int SECURITY_USER = 0x01;

    /**
     * Offset of command field in SMB header.
     */
    int CMD_OFFSET = 4;
    /**

                    ex = se;
                }

                if (!this.getConfig().isAllowGuestFallback() && response.isLoggedInAsGuest()
                        && negoResp.getServerData().security != SmbConstants.SECURITY_SHARE
                        && (!this.credentials.isGuest() && !this.credentials.isAnonymous())) {
                    throw new SmbAuthException(NtStatus.NT_STATUS_LOGON_FAILURE);
                }