// CAP_LARGE_WRITE
        if ( th.hasCapability(SmbConstants.CAP_LARGE_WRITEX) && !th.areSignaturesActive() ) {
            this.writeSizeFile = Math.min(th.getConfig().getSendBufferSize() - 70, 0xFFFF - 70);
        }
        else {
            log.debug("No support or SMB signing is enabled, not enabling large writes");
            this.writeSizeFile = this.writeSize;

        DialectVersion min = ( minStr != null && !minStr.isEmpty() ) ? DialectVersion.valueOf(minStr) : null;
        DialectVersion max = ( maxStr != null && !maxStr.isEmpty() ) ? DialectVersion.valueOf(maxStr) : null;
        initProtocolVersions(min, max);
    }


    protected void initProtocolVersions ( DialectVersion min, DialectVersion max ) {
        this.minVersion = min != null ? min : DialectVersion.SMB1;

    /**
     * @param config
     * @param fileId
     */
    public Smb2QueryInfoRequest ( Configuration config, byte[] fileId ) {
        super(config, SMB2_QUERY_INFO);
        this.outputBufferLength = ( Math.min(config.getMaximumBufferSize(),  config.getListSize()) - Smb2QueryInfoResponse.OVERHEAD ) & ~0x7;
        this.fileId = fileId;
    }


    /**
     * {@inheritDoc}
     *

            System.arraycopy(this.sbuf, 0, buffer, 0, 4 + SMB1_HEADER_LENGTH);
            int size = ( Encdec.dec_uint16be(buffer, 2) & 0xFFFF );
            if ( size < ( SMB1_HEADER_LENGTH + 1 ) || ( 4 + size ) > Math.min(0xFFFF, getContext().getConfig().getMaximumBufferSize()) ) {
                throw new IOException("Invalid payload size: " + size);
            }
            int errorCode = Encdec.dec_uint32le(buffer, 9) & 0xFFFFFFFF;

            w.setDaemon(true);

            try {
                w.start();
                // use commonly acceptable buffer size
                int bsize = Math.min(sh.getReceiveBufferSize() - 70, dh.getSendBufferSize() - 70);
                byte[][] b = new byte[2][bsize];
                copyRecursive(dest, b, bsize, w, sh, dh);
            }
            finally {

     * @param config
     * @param fileId
     */
    public Smb2QueryDirectoryRequest ( Configuration config, byte[] fileId ) {
        super(config, SMB2_QUERY_DIRECTORY);
        this.outputBufferLength = ( Math.min(config.getMaximumBufferSize(), config.getListSize()) - Smb2QueryDirectoryResponse.OVERHEAD ) & ~0x7;
        this.fileId = fileId;
    }


    /**
     * {@inheritDoc}
     *

         */
        try {
            if (getAddress().equals( dest.getAddress() ) &&
                        canon.regionMatches( true, 0, dest.canon, 0,
                                Math.min( canon.length(), dest.canon.length() ))) {
                throw new SmbException( "Source and destination paths overlap." );
            }
        } catch (UnknownHostException uhe) {
        }

                if ( sk != null ) {
                    // session key is truncated to 16 bytes, right padded with 0 if shorter
                    byte[] key = new byte[16];
                    System.arraycopy(sk, 0, key, 0, Math.min(16, sk.length));
                    this.sessionKey = key;
                }

                boolean signed = response != null && response.isSigned();