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

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

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

        this.resultCode = src[ srcIndex + OPCODE_OFFSET + 1 ] & 0x0F;
        this.questionCount = readInt2(src, srcIndex + QUESTION_OFFSET);
        this.answerCount = readInt2(src, srcIndex + ANSWER_OFFSET);
        this.authorityCount = readInt2(src, srcIndex + AUTHORITY_OFFSET);
        this.additionalCount = readInt2(src, srcIndex + ADDITIONAL_OFFSET);
        return HEADER_LENGTH;
    }

        resultCode      = src[srcIndex + OPCODE_OFFSET + 1] & 0x0F;
        questionCount   = readInt2( src, srcIndex + QUESTION_OFFSET );
        answerCount     = readInt2( src, srcIndex + ANSWER_OFFSET );
        authorityCount  = readInt2( src, srcIndex + AUTHORITY_OFFSET );
        additionalCount = readInt2( src, srcIndex + ADDITIONAL_OFFSET );
        return HEADER_LENGTH;
    }

        bufferIndex += 2;
        this.fileType = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.deviceState = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.action = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.serverFid = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 6;

        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);

        int start = bufferIndex;

        status = readInt2( buffer, bufferIndex );
        bufferIndex += 2;
        converter = readInt2( buffer, bufferIndex );
        bufferIndex += 2;
        numEntries = readInt2( buffer, bufferIndex );
        bufferIndex += 2;
        totalAvailableEntries = readInt2( buffer, bufferIndex );
        bufferIndex += 2;

        return bufferIndex - start;

        // these are common between SYNC/ASYNC
        SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        SMBUtil.readInt2(buffer, bufferIndex);
        this.creditCharge = SMBUtil.readInt2(buffer, bufferIndex + 2);
        bufferIndex += 4;
        this.status = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.command = SMBUtil.readInt2(buffer, bufferIndex);

        type = ServerMessageBlock.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        int ownerUOffset = ServerMessageBlock.readInt4(buffer, bufferIndex); // offset to owner sid
        bufferIndex += 4;
        int ownerGOffset = ServerMessageBlock.readInt4(buffer, bufferIndex); // offset to group sid
        bufferIndex += 4;
        int saclOffset = ServerMessageBlock.readInt4(buffer, bufferIndex); // offset to sacl

        int nunlocks = SMBUtil.readInt2(buffer, bufferIndex);
        this.unlocks = new LockingAndXRange[nunlocks];
        bufferIndex += 2;

        int nlocks = SMBUtil.readInt2(buffer, bufferIndex);
        this.locks = new LockingAndXRange[nlocks];
        bufferIndex += 2;
        return start - bufferIndex;
    }


    /**
     * {@inheritDoc}
     *