bufferIndex += 4;
        this.parameterDisplacement = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        setDataCount(SMBUtil.readInt4(buffer, bufferIndex));
        bufferIndex += 4;
        this.dataOffset = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.dataDisplacement = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

    int decode(final byte[] buf, int bi) {
        allow = buf[bi] == (byte) 0x00;
        bi++;
        flags = buf[bi++] & 0xFF;
        final int size = ServerMessageBlock.readInt2(buf, bi);
        bi += 2;
        access = ServerMessageBlock.readInt4(buf, bi);
        bi += 4;
        sid = new SID(buf, bi);
        return size;
    }

    void appendCol(final StringBuffer sb, final String str, final int width) {

        final int start = bufferIndex;
        this.namedPipeState = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.readDataAvailable = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.numberOfMessages = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.messageLength = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        // Verify complete structure
        assertEquals(9, SMBUtil.readInt2(buffer, bodyOffset)); // Structure size
        assertEquals(0, SMBUtil.readInt2(buffer, bodyOffset + 2)); // Tree flags
        assertEquals(Smb2Constants.SMB2_HEADER_LENGTH + 8, SMBUtil.readInt2(buffer, bodyOffset + 4)); // Path offset
        assertEquals(pathBytes.length, SMBUtil.readInt2(buffer, bodyOffset + 6)); // Path length

        // Verify path content

        final int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if (structureSize != 9) {
            throw new SMBProtocolDecodingException("Structure size != 9");
        }

        this.sessionFlags = SMBUtil.readInt2(buffer, bufferIndex + 2);
        bufferIndex += 4;

        final int securityBufferOffset = SMBUtil.readInt2(buffer, bufferIndex);

            assertEquals(6, bytesWritten);
            assertEquals(2, SMBUtil.readInt2(buffer, 0));
            assertEquals(EncryptionNegotiateContext.CIPHER_AES128_CCM, SMBUtil.readInt2(buffer, 2));
            assertEquals(EncryptionNegotiateContext.CIPHER_AES128_GCM, SMBUtil.readInt2(buffer, 4));
        }

        @Test
        @DisplayName("Should encode null ciphers as zero count")

        totalParameterCount = readInt4(buffer, bufferIndex);
        if (bufDataStart == 0) {
            bufDataStart = totalParameterCount;
        }
        bufferIndex += 4;
        totalDataCount = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        parameterCount = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        parameterOffset = readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        final int start = bufferIndex;
        this.chunksWritten = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.chunkBytesWritten = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.totalBytesWritten = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        return bufferIndex - start;
    }

        final int start = bufferIndex;

        this.pathConsumed = SMBUtil.readInt2(buffer, bufferIndex) / 2;
        bufferIndex += 2;
        this.numReferrals = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.tflags = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 4;

        this.referrals = new Referral[this.numReferrals];

        bufferIndex += 2;
        this.parameterDisplacement = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.dataCount = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.dataOffset = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.dataDisplacement = SMBUtil.readInt2(buffer, bufferIndex);