this.writeSize = th.getSendBufferSize() - 70;

            if ( th.hasCapability(SmbConstants.CAP_LARGE_READX) ) {
                this.largeReadX = true;
                this.readSize = Math.min(th.getConfig().getReceiveBufferSize() - 70, th.areSignaturesActive() ? 0xFFFF - 70 : 0xFFFFFF - 70);
            }

            bufDataOffset = totalParameterCount; // data comes right after data

            int available = maxBufferSize - parameterOffset;
            parameterCount = Math.min( totalParameterCount, available );
            available -= parameterCount;

            dataOffset = parameterOffset + parameterCount;
            pad1 = dataOffset % PADDING_SIZE;

        } else {
            flags2 &= 0xFFFF ^ ServerMessageBlock.FLAGS2_SECURITY_SIGNATURES;
        }
        maxMpxCount = Math.min( maxMpxCount, server.maxMpxCount );
        if (maxMpxCount < 1) maxMpxCount = 1;
        snd_buf_size = Math.min( snd_buf_size, server.maxBufferSize );
        capabilities &= server.capabilities;
        if ((server.capabilities & CAP_EXTENDED_SECURITY) == CAP_EXTENDED_SECURITY)

            this.bufDataOffset = this.totalParameterCount; // data comes right after data

            int available = this.maxBufferSize - this.parameterOffset;
            this.parameterCount = Math.min(this.totalParameterCount, available);
            available -= this.parameterCount;

            this.dataOffset = this.parameterOffset + this.parameterCount;
            this.pad2 = this.pad(this.dataOffset);

        if( len == 0 ) {
            return 0;
        }
        tot = 0;

        while( true ) {
            while( bip > 0 ) {
                n = in.read( b, off, Math.min( len, bip ));
                if( n == -1 ) {
                    return tot > 0 ? tot : -1;
                }
                tot += n;
                off += n;
                len -= n;
                bip -= n;

     * @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}
     *

        if ( log.isTraceEnabled() ) {
            log.trace("update: " + this.updates + " " + offset + ":" + len);
            log.trace(Hexdump.toHexString(input, offset, Math.min(len, 256)));
        }
        if ( len == 0 ) {
            return; /* CRITICAL */
        }
        this.digest.update(input, offset, len);
        this.updates++;
    }


    /**

            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 {

        String tp = getCanonicalURL();
        String op = other.getCanonicalURL();
        return getAddress().equals(other.getAddress()) && tp.regionMatches(true, 0, op, 0, Math.min(tp.length(), op.length()));
    }


    /**
     * @param dr
     * @param reqPath
     * @return UNC path the redirect leads to
     */
    @Override