Modules/Filesystems/NTFS/common.h

   1 /*
   2  */
   3 #ifndef _COMMON_H_
   4 #define _COMMON_H_
   5
   6 // === STRUCTURES ===
   7 typedef struct sNTFS_Disk
   8 {
   9
  10 }       tNTFS_Disk;
  11
  12 typedef struct sNTFS_FILE_Header
  13 {
  14         Uint32  Magic;  // 'FILE'
  15         Uint16  UpdateSequenceOfs;
  16         Uint16  UpdateSequenceSize;     // Size in words of the UpdateSequenceArray
  17
  18         Uint64  LSN;    // $LogFile Sequence Number
  19
  20         Uint16  SequenceNumber;
  21         Uint16  HardLinkCount;
  22         Uint16  FirstAttribOfs; // Size of header?
  23         Uint16  Flags;  // 0: In Use, 1: Directory
  24
  25         Uint32  RecordSize;             // Real Size of FILE Record
  26         Uint32  RecordSpace;    // Allocated Size for FILE Record
  27
  28         /**
  29          * Base address of the MFT containing this record
  30          */
  31         Uint64  Reference;      // "File reference to the base FILE record" ???
  32
  33         Uint16  NextAttribID;
  34         union
  35         {
  36                 // Only in XP
  37                 struct {
  38                         Uint16  AlignTo4Byte;
  39                         Uint16  RecordNumber;   // Number of this MFT Record
  40                         Uint16  UpdateSequenceNumber;
  41                         Uint16  UpdateSequenceArray[];
  42                 }       XP;
  43                 struct {
  44                         Uint16  UpdateSequenceNumber;
  45                         Uint16  UpdateSequenceArray[];
  46                 }       All;
  47         } OSDep;
  48
  49 }       tNTFS_FILE_Header;
  50
  51 typedef struct sNTFS_FILE_Attrib
  52 {
  53         Uint32  Type;   // See eNTFS_FILE_Attribs
  54         Uint32  Size;   // Includes header
  55
  56         Uint8   ResidentFlag;   // (What does this mean?)
  57         Uint8   NameLength;
  58         Uint16  NameOffset;
  59         Uint16  Flags;  // 0: Compressed, 14: Encrypted, 15: Sparse
  60         Uint16  AttributeID;
  61
  62         union
  63         {
  64                 struct {
  65                         Uint32  AttribLen;      // In words
  66                         Uint16  AttribOfs;
  67                         Uint8   IndexedFlag;
  68                         Uint8   Padding;
  69
  70                         Uint16  Name[]; // UTF-16
  71                         // Attribute Data
  72                 }       Resident;
  73                 struct {
  74                         Uint64  StartingVCN;
  75                         Uint64  LastVCN;
  76                         Uint16  DataRunOfs;
  77                         Uint16  CompressionUnitSize;
  78                         Uint32  Padding;
  79                         Uint64  AllocatedSize;
  80                         Uint64  RealSize;
  81                         Uint64  InitiatedSize;  // One assumes, ammount of actual data stored
  82                         Uint16  Name[]; // UTF-16
  83                         // Data Runs
  84                 }       NonResident;
  85         };
  86 }       tNTFS_FILE_Attrib;
  87
  88 #endif