int daclOffset = ServerMessageBlock.readInt4(buffer, bufferIndex);

        if (ownerUOffset > 0) {
            bufferIndex = start + ownerUOffset;
            owner_user = new SID(buffer, bufferIndex);
            bufferIndex += 28; // ???
        }

        if (ownerGOffset > 0) {
            bufferIndex = start + ownerGOffset;
            owner_group = new SID(buffer, bufferIndex);
            bufferIndex += 28; // ???

        if ( ownerUOffset > 0 ) {
            bufferIndex = start + ownerUOffset;
            this.ownerUserSid = new SID(buffer, bufferIndex);
            bufferIndex += 8 + 4 * this.ownerUserSid.sub_authority_count;
        }

        if ( ownerGOffset > 0 ) {
            bufferIndex = start + ownerGOffset;
            this.ownerGroupSid = new SID(buffer, bufferIndex);