SmbTreeHandleImpl th = fh.getTree() ) {

            if ( th.isSMB2() ) {
                Smb2IoctlRequest req = 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);

        log.debug("Sending VALIDATE_NEGOTIATE_INFO");
        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(),

                        // needs read access
                        Smb2IoctlRequest copy = new Smb2IoctlRequest(
                            sh.getConfig(),
                            write ? Smb2IoctlRequest.FSCTL_SRV_COPYCHUNK_WRITE : Smb2IoctlRequest.FSCTL_SRV_COPYCHUNK,
                            dfd.getFileId());
                        copy.setFlags(Smb2IoctlRequest.SMB2_O_IOCTL_IS_FSCTL);