示例#1
0
        private void LoadAttributes()
        {
            Dictionary <long, FileRecord> extraFileRecords = new Dictionary <long, FileRecord>();

            AttributeRecord attrListRec = _records[0].GetAttribute(AttributeType.AttributeList);

            if (attrListRec != null)
            {
                NtfsAttribute lastAttr = null;

                StructuredNtfsAttribute <AttributeList> attrListAttr = (StructuredNtfsAttribute <AttributeList>)NtfsAttribute.FromRecord(this, MftReference, attrListRec);
                var attrList = attrListAttr.Content;
                _attributes.Add(attrListAttr);

                foreach (var record in attrList)
                {
                    FileRecord attrFileRecord = _records[0];
                    if (record.BaseFileReference.MftIndex != _records[0].MasterFileTableIndex)
                    {
                        if (!extraFileRecords.TryGetValue(record.BaseFileReference.MftIndex, out attrFileRecord))
                        {
                            attrFileRecord = _context.Mft.GetRecord(record.BaseFileReference);
                            if (attrFileRecord != null)
                            {
                                extraFileRecords[attrFileRecord.MasterFileTableIndex] = attrFileRecord;
                            }
                        }
                    }

                    if (attrFileRecord != null)
                    {
                        AttributeRecord attrRec = attrFileRecord.GetAttribute(record.AttributeId);

                        if (attrRec != null)
                        {
                            if (record.StartVcn == 0)
                            {
                                lastAttr = NtfsAttribute.FromRecord(this, record.BaseFileReference, attrRec);
                                _attributes.Add(lastAttr);
                            }
                            else
                            {
                                lastAttr.AddExtent(record.BaseFileReference, attrRec);
                            }
                        }
                    }
                }

                foreach (var extraFileRecord in extraFileRecords)
                {
                    _records.Add(extraFileRecord.Value);
                }
            }
            else
            {
                foreach (var record in _records[0].Attributes)
                {
                    _attributes.Add(NtfsAttribute.FromRecord(this, MftReference, record));
                }
            }
        }