public NtlmPasswordAuthentication ( CIFSContext tc, String userInfo ) {
        super(
            userInfo,
            tc.getConfig().getDefaultDomain(),
            tc.getConfig().getDefaultUsername() != null ? tc.getConfig().getDefaultUsername() : "GUEST",
            tc.getConfig().getDefaultPassword() != null ? tc.getConfig().getDefaultPassword() : "");
        this.context = tc;
    }


    /**

    }


    /**
     * @return the configuration used by this session
     */
    @Override
    public final Configuration getConfig () {
        return this.transportContext.getConfig();
    }


    /**
     * @return the targetDomain
     */
    public final String getTargetDomain () {
        return this.targetDomain;
    }


    /**

                    RequestParam.NO_RETRY);
            }
            else {
                // this is the original, COM_WRITE allows truncation but no 64 bit offsets
                SmbComWriteResponse rsp = new SmbComWriteResponse(th.getConfig());
                th.send(
                    new SmbComWrite(th.getConfig(), fh.getFid(), (int) ( newLength & 0xFFFFFFFFL ), 0, this.tmp, 0, 0),

                else {
                    th.send(new SmbComDeleteDirectory(th.getConfig(), fileName), new SmbComBlankResponse(th.getConfig()));
                }
            }
            else {

                if ( th.isSMB2() ) {
                    Smb2CreateRequest req = new Smb2CreateRequest(th.getConfig(), fileName.substring(1));
                    req.setDesiredAccess(0x10000); // delete

        }

        return new SpnegoContext(tc.getConfig(), setupTargetName(tc, host, new NtlmContext(tc, this, doSigning)));
    }


    private static SSPContext setupTargetName ( CIFSContext tc, String host, NtlmContext ntlmContext ) {
        if ( host != null && tc.getConfig().isSendNTLMTargetName() ) {
            ntlmContext.setTargetName(String.format("cifs/%s", host));
        }

        Smb2CreateRequest create = new Smb2CreateRequest(th.getConfig(), uncPath);
        create.setCreateOptions(Smb2CreateRequest.FILE_DIRECTORY_FILE);
        create.setDesiredAccess(SmbConstants.FILE_READ_DATA | SmbConstants.FILE_READ_ATTRIBUTES);
        Smb2QueryDirectoryRequest query = new Smb2QueryDirectoryRequest(th.getConfig());
        query.setFileName(getWildcard());
        create.chain(query);

     */
    @Override
    public boolean allowChain ( CommonServerMessageBlockRequest next ) {
        return getConfig().isAllowCompound(getClass().getSimpleName()) && getConfig().isAllowCompound(next.getClass().getSimpleName());
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#createCancel()

    }


    static SmbTreeConnection create ( CIFSContext c ) {
        if ( c.getConfig().isTraceResourceUsage() ) {
            return new SmbTreeConnectionTrace(c);
        }
        return new SmbTreeConnection(c);
    }


    static SmbTreeConnection create ( SmbTreeConnection c ) {
        if ( c.ctx.getConfig().isTraceResourceUsage() ) {
            return new SmbTreeConnectionTrace(c);
        }

        if ( !tc.getConfig().isEnforceSpnegoIntegrity() && serverAvPairs == null ) {
            return null;
        }
        else if ( serverAvPairs == null ) {
            serverAvPairs = new LinkedList<>();
        }

        if ( getFlag(NTLMSSP_NEGOTIATE_SIGN)
                && ( tc.getConfig().isEnforceSpnegoIntegrity() || ( haveServerTimestamp && !tc.getConfig().isDisableSpnegoIntegrity() ) ) ) {

        Assume.assumeFalse("Unicode support", getContext().getConfig().isUseUnicode());
        Assume.assumeFalse("SMB2", getContext().getConfig().getMaximumVersion().isSMB2());
        String oemEncoding = getContext().getConfig().getOemEncoding();
        String str = null;
        try {
            switch ( oemEncoding.toLowerCase(Locale.ROOT) ) {