new Smb2IoctlRequest(th.getConfig(), Smb2IoctlRequest.FSCTL_PIPE_TRANSCEIVE, fh.getFileId(), inB);
                req.setFlags(Smb2IoctlRequest.SMB2_O_IOCTL_IS_FSCTL);
                req.setInputData(new ByteEncodable(buf, off, length));
                req.setMaxOutputResponse(maxRecvSize);
                final Smb2IoctlResponse resp = th.send(req, RequestParam.NO_RETRY);
                return resp.getOutputLength();

        final Smb2IoctlRequest req = new Smb2IoctlRequest(sess.getConfig(), Smb2IoctlRequest.FSCTL_VALIDATE_NEGOTIATE_INFO);
        req.setFlags(Smb2IoctlRequest.SMB2_O_IOCTL_IS_FSCTL);
        req.setInputData(new ValidateNegotiateInfoRequest(negoReq.getCapabilities(), negoReq.getClientGuid(),
                (short) negoReq.getSecurityMode(), negoReq.getDialects()));

        Smb2IoctlResponse resp;
        try {

                final Smb2IoctlRequest req = new Smb2IoctlRequest(ctx.getConfig(), Smb2IoctlRequest.FSCTL_DFS_GET_REFERRALS);
                req.setFlags(Smb2IoctlRequest.SMB2_O_IOCTL_IS_FSCTL);
                req.setInputData(dfsReq);
                dfsResp = ipc.send(req).getOutputData(DfsReferralResponseBuffer.class);
            } else {