}
        return 0;
    }


    @Override
    protected int writeParameterWordsWireFormat ( byte[] dst, int dstIndex ) {
        if ( this.server.security == SmbConstants.SECURITY_SHARE && this.ctx.getCredentials() instanceof NtlmPasswordAuthenticator ) {
            NtlmPasswordAuthenticator pwAuth = (NtlmPasswordAuthenticator) this.ctx.getCredentials();
            if ( isExternalAuth(pwAuth) ) {

                return batchLimits[8];
        }
        return 0;
    }

    int writeParameterWordsWireFormat( byte[] dst, int dstIndex ) {

        if( session.transport.server.security == SECURITY_SHARE &&
                        ( session.auth.hashesExternal ||
                        session.auth.password.length() > 0 )) {

            if( session.transport.server.encryptedPasswords ) {

                        if( response.isLoggedInAsGuest &&
                                    "GUEST".equalsIgnoreCase( auth.username ) == false &&
                                    transport.server.security != SmbConstants.SECURITY_SHARE &&
                                    auth != NtlmPasswordAuthentication.ANONYMOUS) {
                            throw new SmbAuthException( NtStatus.NT_STATUS_LOGON_FAILURE );
                        }
    

            ",dialectIndex="        + dialectIndex +
            ",securityMode=0x"      + Hexdump.toHexString( server.securityMode, 1 ) +
            ",security="            + ( server.security == SECURITY_SHARE ? "share" : "user" ) +
            ",encryptedPasswords="  + server.encryptedPasswords +
            ",maxMpxCount="         + server.maxMpxCount +
            ",maxNumberVcs="        + server.maxNumberVcs +

                    + Hexdump.toHexString(this.server.securityMode, 1) + ",security="
                    + ( this.server.security == SmbConstants.SECURITY_SHARE ? "share" : "user" ) + ",encryptedPasswords="
                    + this.server.encryptedPasswords + ",maxMpxCount=" + this.server.smaxMpxCount + ",maxNumberVcs=" + this.server.maxNumberVcs

                blob = (byte[])cred;
            } else {
                throw new SmbException("Unsupported credential type");
            }
        } else if (session.transport.server.security == SECURITY_SHARE) {
            if (cred instanceof NtlmPasswordAuthentication) {
                NtlmPasswordAuthentication auth = (NtlmPasswordAuthentication)cred;
                lmHash = new byte[0];
                ntHash = new byte[0];

    static final int OPEN_FUNCTION_FAIL_IF_EXISTS      = 0x0000;
    static final int OPEN_FUNCTION_OVERWRITE_IF_EXISTS = 0x0020;

    static final int PID = (int)( Math.random() * 65536d );

    static final int SECURITY_SHARE = 0x00;
    static final int SECURITY_USER  = 0x01;

    static final int CMD_OFFSET        = 4;
    static final int ERROR_CODE_OFFSET = 5;
    static final int FLAGS_OFFSET      = 9;

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

    // open function
    static final int OPEN_FUNCTION_FAIL_IF_EXISTS = 0x0000;
    static final int OPEN_FUNCTION_OVERWRITE_IF_EXISTS = 0x0020;

    static final int SECURITY_SHARE = 0x00;
    static final int SECURITY_USER = 0x01;

    static final int CMD_OFFSET = 4;
    static final int ERROR_CODE_OFFSET = 5;
    static final int FLAGS_OFFSET = 9;

                    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);
                }