bufferIndex += 16;

        this.capabilities = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        this.maxTransactSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.maxReadSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.maxWriteSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        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;
    }

        // 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);

        this.server.smaxMpxCount = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.server.maxNumberVcs = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.server.maxBufferSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.server.maxRawSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        command = buffer[bufferIndex + CMD_OFFSET];
        errorCode = readInt4( buffer, bufferIndex + ERROR_CODE_OFFSET );
        flags = buffer[bufferIndex + FLAGS_OFFSET];
        flags2 = readInt2( buffer, bufferIndex + FLAGS_OFFSET + 1 );
        tid = readInt2( buffer, bufferIndex + TID_OFFSET );
        pid = readInt2( buffer, bufferIndex + TID_OFFSET + 2 );
        uid = readInt2( buffer, bufferIndex + TID_OFFSET + 4 );

        this.errorCode = SMBUtil.readInt4(buffer, bufferIndex + SmbConstants.ERROR_CODE_OFFSET);
        this.flags = buffer[ bufferIndex + SmbConstants.FLAGS_OFFSET ];
        this.flags2 = SMBUtil.readInt2(buffer, bufferIndex + SmbConstants.FLAGS_OFFSET + 1);
        this.tid = SMBUtil.readInt2(buffer, bufferIndex + SmbConstants.TID_OFFSET);
        this.pid = SMBUtil.readInt2(buffer, bufferIndex + SmbConstants.TID_OFFSET + 2);

             * these fields are common to all andx commands
             * so let's populate them here
             */

            this.andxCommand = buffer[ bufferIndex ];
            this.andxOffset = SMBUtil.readInt2(buffer, bufferIndex + 2);

            if ( this.andxOffset == 0 ) { /* Snap server workaround */
                this.andxCommand = (byte) 0xFF;
            }

            /*

            /*
             * these fields are common to all andx commands
             * so let's populate them here
             */

            andxCommand = buffer[bufferIndex];
            andxOffset = readInt2( buffer, bufferIndex + 2 );

            if( andxOffset == 0 ) { /* Snap server workaround */
                andxCommand = (byte)0xFF;
            }

            /*

            SID groupId = pacStream.readId();

            // Groups information
            int groupCount = pacStream.readInt();
            int groupPointer = pacStream.readInt();

            // User flags about PAC Logon Info content
            this.userFlags = pacStream.readInt();
            boolean hasExtraSids = ( this.userFlags & PacConstants.LOGON_EXTRA_SIDS ) == PacConstants.LOGON_EXTRA_SIDS;