ReactOS  0.4.14-dev-41-g31d7680
Classes | Macros | Typedefs | Functions
ntfs.h File Reference
#include <pshpack1.h>
#include <poppack.h>
Include dependency graph for ntfs.h:
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Classes

struct  NTFS_BOOTSECTOR
 
struct  NTFS_RECORD
 
struct  NTFS_MFT_RECORD
 
struct  NTFS_ATTR_RECORD
 
struct  NTFS_INDEX_HEADER
 
struct  NTFS_INDEX_ROOT
 
struct  NTFS_FILE_NAME_ATTR
 
struct  NTFS_ATTR_LIST_ATTR
 
struct  NTFS_INDEX_ENTRY
 
struct  NTFS_ATTR_CONTEXT
 
struct  NTFS_FILE_HANDLE
 

Macros

#define NTFS_FILE_MFT   0
 
#define NTFS_FILE_MFTMIRR   1
 
#define NTFS_FILE_LOGFILE   2
 
#define NTFS_FILE_VOLUME   3
 
#define NTFS_FILE_ATTRDEF   4
 
#define NTFS_FILE_ROOT   5
 
#define NTFS_FILE_BITMAP   6
 
#define NTFS_FILE_BOOT   7
 
#define NTFS_FILE_BADCLUS   8
 
#define NTFS_FILE_QUOTA   9
 
#define NTFS_FILE_UPCASE   10
 
#define NTFS_FILE_EXTEND   11
 
#define NTFS_ATTR_TYPE_STANDARD_INFORMATION   0x10
 
#define NTFS_ATTR_TYPE_ATTRIBUTE_LIST   0x20
 
#define NTFS_ATTR_TYPE_FILENAME   0x30
 
#define NTFS_ATTR_TYPE_OBJECT_ID   0x40
 
#define NTFS_ATTR_TYPE_SECURITY_DESCRIPTOR   0x50
 
#define NTFS_ATTR_TYPE_VOLUME_NAME   0x60
 
#define NTFS_ATTR_TYPE_VOLUME_INFORMATION   0x70
 
#define NTFS_ATTR_TYPE_DATA   0x80
 
#define NTFS_ATTR_TYPE_INDEX_ROOT   0x90
 
#define NTFS_ATTR_TYPE_INDEX_ALLOCATION   0xa0
 
#define NTFS_ATTR_TYPE_BITMAP   0xb0
 
#define NTFS_ATTR_TYPE_REPARSE_POINT   0xc0
 
#define NTFS_ATTR_TYPE_EA_INFORMATION   0xd0
 
#define NTFS_ATTR_TYPE_EA   0xe0
 
#define NTFS_ATTR_TYPE_END   0xffffffff
 
#define NTFS_ATTR_NORMAL   0
 
#define NTFS_ATTR_COMPRESSED   1
 
#define NTFS_ATTR_RESIDENT   2
 
#define NTFS_ATTR_ENCRYPTED   0x4000
 
#define NTFS_SMALL_INDEX   0
 
#define NTFS_LARGE_INDEX   1
 
#define NTFS_INDEX_ENTRY_NODE   1
 
#define NTFS_INDEX_ENTRY_END   2
 
#define NTFS_FILE_NAME_POSIX   0
 
#define NTFS_FILE_NAME_WIN32   1
 
#define NTFS_FILE_NAME_DOS   2
 
#define NTFS_FILE_NAME_WIN32_AND_DOS   3
 

Typedefs

typedef struct NTFS_BOOTSECTOR * PNTFS_BOOTSECTOR
 
typedef struct NTFS_RECORD * PNTFS_RECORD
 
typedef struct NTFS_MFT_RECORD * PNTFS_MFT_RECORD
 
typedef struct NTFS_ATTR_RECORD * PNTFS_ATTR_RECORD
 
typedef struct NTFS_INDEX_HEADER * PNTFS_INDEX_HEADER
 
typedef struct NTFS_INDEX_ROOT * PNTFS_INDEX_ROOT
 
typedef struct NTFS_FILE_NAME_ATTR * PNTFS_FILE_NAME_ATTR
 
typedef struct NTFS_ATTR_LIST_ATTR * PNTFS_ATTR_LIST_ATTR
 
typedef struct NTFS_INDEX_ENTRY * PNTFS_INDEX_ENTRY
 
typedef struct NTFS_ATTR_CONTEXT * PNTFS_ATTR_CONTEXT
 
typedef struct _NTFS_VOLUME_INFO * PNTFS_VOLUME_INFO
 
typedef struct NTFS_FILE_HANDLE * PNTFS_FILE_HANDLE
 

Functions

const DEVVTBL * NtfsMount (ULONG DeviceId)
 

Macro Definition Documentation

◆ NTFS_ATTR_COMPRESSED

#define NTFS_ATTR_COMPRESSED   1

Definition at line 53 of file ntfs.h.

◆ NTFS_ATTR_ENCRYPTED

#define NTFS_ATTR_ENCRYPTED   0x4000

Definition at line 55 of file ntfs.h.

◆ NTFS_ATTR_NORMAL

#define NTFS_ATTR_NORMAL   0

Definition at line 52 of file ntfs.h.

◆ NTFS_ATTR_RESIDENT

#define NTFS_ATTR_RESIDENT   2

Definition at line 54 of file ntfs.h.

◆ NTFS_ATTR_TYPE_ATTRIBUTE_LIST

#define NTFS_ATTR_TYPE_ATTRIBUTE_LIST   0x20

Definition at line 37 of file ntfs.h.

◆ NTFS_ATTR_TYPE_BITMAP

#define NTFS_ATTR_TYPE_BITMAP   0xb0

Definition at line 46 of file ntfs.h.

◆ NTFS_ATTR_TYPE_DATA

#define NTFS_ATTR_TYPE_DATA   0x80

Definition at line 43 of file ntfs.h.

◆ NTFS_ATTR_TYPE_EA

#define NTFS_ATTR_TYPE_EA   0xe0

Definition at line 49 of file ntfs.h.

◆ NTFS_ATTR_TYPE_EA_INFORMATION

#define NTFS_ATTR_TYPE_EA_INFORMATION   0xd0

Definition at line 48 of file ntfs.h.

◆ NTFS_ATTR_TYPE_END

#define NTFS_ATTR_TYPE_END   0xffffffff

Definition at line 50 of file ntfs.h.

◆ NTFS_ATTR_TYPE_FILENAME

#define NTFS_ATTR_TYPE_FILENAME   0x30

Definition at line 38 of file ntfs.h.

◆ NTFS_ATTR_TYPE_INDEX_ALLOCATION

#define NTFS_ATTR_TYPE_INDEX_ALLOCATION   0xa0

Definition at line 45 of file ntfs.h.

◆ NTFS_ATTR_TYPE_INDEX_ROOT

#define NTFS_ATTR_TYPE_INDEX_ROOT   0x90

Definition at line 44 of file ntfs.h.

◆ NTFS_ATTR_TYPE_OBJECT_ID

#define NTFS_ATTR_TYPE_OBJECT_ID   0x40

Definition at line 39 of file ntfs.h.

◆ NTFS_ATTR_TYPE_REPARSE_POINT

#define NTFS_ATTR_TYPE_REPARSE_POINT   0xc0

Definition at line 47 of file ntfs.h.

◆ NTFS_ATTR_TYPE_SECURITY_DESCRIPTOR

#define NTFS_ATTR_TYPE_SECURITY_DESCRIPTOR   0x50

Definition at line 40 of file ntfs.h.

◆ NTFS_ATTR_TYPE_STANDARD_INFORMATION

#define NTFS_ATTR_TYPE_STANDARD_INFORMATION   0x10

Definition at line 36 of file ntfs.h.

◆ NTFS_ATTR_TYPE_VOLUME_INFORMATION

#define NTFS_ATTR_TYPE_VOLUME_INFORMATION   0x70

Definition at line 42 of file ntfs.h.

◆ NTFS_ATTR_TYPE_VOLUME_NAME

#define NTFS_ATTR_TYPE_VOLUME_NAME   0x60

Definition at line 41 of file ntfs.h.

◆ NTFS_FILE_ATTRDEF

#define NTFS_FILE_ATTRDEF   4

Definition at line 27 of file ntfs.h.

◆ NTFS_FILE_BADCLUS

#define NTFS_FILE_BADCLUS   8

Definition at line 31 of file ntfs.h.

◆ NTFS_FILE_BITMAP

#define NTFS_FILE_BITMAP   6

Definition at line 29 of file ntfs.h.

◆ NTFS_FILE_BOOT

#define NTFS_FILE_BOOT   7

Definition at line 30 of file ntfs.h.

◆ NTFS_FILE_EXTEND

#define NTFS_FILE_EXTEND   11

Definition at line 34 of file ntfs.h.

◆ NTFS_FILE_LOGFILE

#define NTFS_FILE_LOGFILE   2

Definition at line 25 of file ntfs.h.

◆ NTFS_FILE_MFT

#define NTFS_FILE_MFT   0

Definition at line 23 of file ntfs.h.

◆ NTFS_FILE_MFTMIRR

#define NTFS_FILE_MFTMIRR   1

Definition at line 24 of file ntfs.h.

◆ NTFS_FILE_NAME_DOS

#define NTFS_FILE_NAME_DOS   2

Definition at line 65 of file ntfs.h.

◆ NTFS_FILE_NAME_POSIX

#define NTFS_FILE_NAME_POSIX   0

Definition at line 63 of file ntfs.h.

◆ NTFS_FILE_NAME_WIN32

#define NTFS_FILE_NAME_WIN32   1

Definition at line 64 of file ntfs.h.

◆ NTFS_FILE_NAME_WIN32_AND_DOS

#define NTFS_FILE_NAME_WIN32_AND_DOS   3

Definition at line 66 of file ntfs.h.

◆ NTFS_FILE_QUOTA

#define NTFS_FILE_QUOTA   9

Definition at line 32 of file ntfs.h.

◆ NTFS_FILE_ROOT

#define NTFS_FILE_ROOT   5

Definition at line 28 of file ntfs.h.

◆ NTFS_FILE_UPCASE

#define NTFS_FILE_UPCASE   10

Definition at line 33 of file ntfs.h.

◆ NTFS_FILE_VOLUME

#define NTFS_FILE_VOLUME   3

Definition at line 26 of file ntfs.h.

◆ NTFS_INDEX_ENTRY_END

#define NTFS_INDEX_ENTRY_END   2

Definition at line 61 of file ntfs.h.

◆ NTFS_INDEX_ENTRY_NODE

#define NTFS_INDEX_ENTRY_NODE   1

Definition at line 60 of file ntfs.h.

◆ NTFS_LARGE_INDEX

#define NTFS_LARGE_INDEX   1

Definition at line 58 of file ntfs.h.

◆ NTFS_SMALL_INDEX

#define NTFS_SMALL_INDEX   0

Definition at line 57 of file ntfs.h.

Typedef Documentation

◆ PNTFS_ATTR_CONTEXT

typedef struct NTFS_ATTR_CONTEXT * PNTFS_ATTR_CONTEXT

◆ PNTFS_ATTR_LIST_ATTR

typedef struct NTFS_ATTR_LIST_ATTR * PNTFS_ATTR_LIST_ATTR

◆ PNTFS_ATTR_RECORD

typedef struct NTFS_ATTR_RECORD * PNTFS_ATTR_RECORD

◆ PNTFS_BOOTSECTOR

typedef struct NTFS_BOOTSECTOR * PNTFS_BOOTSECTOR

◆ PNTFS_FILE_HANDLE

typedef struct NTFS_FILE_HANDLE * PNTFS_FILE_HANDLE

◆ PNTFS_FILE_NAME_ATTR

typedef struct NTFS_FILE_NAME_ATTR * PNTFS_FILE_NAME_ATTR

◆ PNTFS_INDEX_ENTRY

typedef struct NTFS_INDEX_ENTRY * PNTFS_INDEX_ENTRY

◆ PNTFS_INDEX_HEADER

typedef struct NTFS_INDEX_HEADER * PNTFS_INDEX_HEADER

◆ PNTFS_INDEX_ROOT

typedef struct NTFS_INDEX_ROOT * PNTFS_INDEX_ROOT

◆ PNTFS_MFT_RECORD

typedef struct NTFS_MFT_RECORD * PNTFS_MFT_RECORD

◆ PNTFS_RECORD

typedef struct NTFS_RECORD * PNTFS_RECORD

◆ PNTFS_VOLUME_INFO

typedef struct _NTFS_VOLUME_INFO* PNTFS_VOLUME_INFO

Definition at line 237 of file ntfs.h.

Function Documentation

◆ NtfsMount()

const DEVVTBL* NtfsMount ( ULONG  DeviceId)

Definition at line 881 of file ntfs.c.

882 {
883  PNTFS_VOLUME_INFO Volume;
884  LARGE_INTEGER Position;
885  ULONG Count;
886  ARC_STATUS Status;
887 
888  TRACE("Enter NtfsMount(%lu)\n", DeviceId);
889 
890  //
891  // Allocate data for volume information
892  //
893  Volume = FrLdrTempAlloc(sizeof(NTFS_VOLUME_INFO), TAG_NTFS_VOLUME);
894  if (!Volume)
895  return NULL;
896  RtlZeroMemory(Volume, sizeof(NTFS_VOLUME_INFO));
897 
898  //
899  // Read the BootSector
900  //
901  Position.QuadPart = 0;
902  Status = ArcSeek(DeviceId, &Position, SeekAbsolute);
903  if (Status != ESUCCESS)
904  {
905  FrLdrTempFree(Volume, TAG_NTFS_VOLUME);
906  return NULL;
907  }
908  Status = ArcRead(DeviceId, &Volume->BootSector, sizeof(Volume->BootSector), &Count);
909  if (Status != ESUCCESS || Count != sizeof(Volume->BootSector))
910  {
911  FrLdrTempFree(Volume, TAG_NTFS_VOLUME);
912  return NULL;
913  }
914 
915  //
916  // Check if BootSector is valid. If no, return early
917  //
918  if (!RtlEqualMemory(Volume->BootSector.SystemId, "NTFS", 4))
919  {
920  FrLdrTempFree(Volume, TAG_NTFS_VOLUME);
921  return NULL;
922  }
923 
924  //
925  // Calculate cluster size and MFT record size
926  //
927  Volume->ClusterSize = Volume->BootSector.SectorsPerCluster * Volume->BootSector.BytesPerSector;
928  if (Volume->BootSector.ClustersPerMftRecord > 0)
929  Volume->MftRecordSize = Volume->BootSector.ClustersPerMftRecord * Volume->ClusterSize;
930  else
931  Volume->MftRecordSize = 1 << (-Volume->BootSector.ClustersPerMftRecord);
932  if (Volume->BootSector.ClustersPerIndexRecord > 0)
933  Volume->IndexRecordSize = Volume->BootSector.ClustersPerIndexRecord * Volume->ClusterSize;
934  else
935  Volume->IndexRecordSize = 1 << (-Volume->BootSector.ClustersPerIndexRecord);
936 
937  TRACE("ClusterSize: 0x%x\n", Volume->ClusterSize);
938  TRACE("ClustersPerMftRecord: %d\n", Volume->BootSector.ClustersPerMftRecord);
939  TRACE("ClustersPerIndexRecord: %d\n", Volume->BootSector.ClustersPerIndexRecord);
940  TRACE("MftRecordSize: 0x%x\n", Volume->MftRecordSize);
941  TRACE("IndexRecordSize: 0x%x\n", Volume->IndexRecordSize);
942 
943  //
944  // Read MFT index
945  //
946  TRACE("Reading MFT index...\n");
947  Volume->MasterFileTable = FrLdrTempAlloc(Volume->MftRecordSize, TAG_NTFS_MFT);
948  if (!Volume->MasterFileTable)
949  {
950  FrLdrTempFree(Volume, TAG_NTFS_VOLUME);
951  return NULL;
952  }
953  Position.QuadPart = Volume->BootSector.MftLocation * Volume->ClusterSize;
954  Status = ArcSeek(DeviceId, &Position, SeekAbsolute);
955  if (Status != ESUCCESS)
956  {
957  FileSystemError("Failed to seek to Master File Table record.");
958  FrLdrTempFree(Volume->MasterFileTable, TAG_NTFS_MFT);
959  FrLdrTempFree(Volume, TAG_NTFS_VOLUME);
960  return NULL;
961  }
962  Status = ArcRead(DeviceId, Volume->MasterFileTable, Volume->MftRecordSize, &Count);
963  if (Status != ESUCCESS || Count != Volume->MftRecordSize)
964  {
965  FileSystemError("Failed to read the Master File Table record.");
966  FrLdrTempFree(Volume->MasterFileTable, TAG_NTFS_MFT);
967  FrLdrTempFree(Volume, TAG_NTFS_VOLUME);
968  return NULL;
969  }
970 
971  //
972  // Keep room to read partial sectors
973  //
974  Volume->TemporarySector = FrLdrTempAlloc(Volume->BootSector.BytesPerSector, TAG_NTFS_DATA);
975  if (!Volume->TemporarySector)
976  {
977  FileSystemError("Failed to allocate memory.");
978  FrLdrTempFree(Volume->MasterFileTable, TAG_NTFS_MFT);
979  FrLdrTempFree(Volume, TAG_NTFS_VOLUME);
980  return NULL;
981  }
982 
983  //
984  // Keep device id
985  //
986  Volume->DeviceId = DeviceId;
987 
988  //
989  // Search DATA attribute
990  //
991  TRACE("Searching for DATA attribute...\n");
992  Volume->MFTContext = NtfsFindAttribute(Volume, Volume->MasterFileTable, NTFS_ATTR_TYPE_DATA, L"");
993  if (!Volume->MFTContext)
994  {
995  FileSystemError("Can't find data attribute for Master File Table.");
996  FrLdrTempFree(Volume->MasterFileTable, TAG_NTFS_MFT);
997  FrLdrTempFree(Volume, TAG_NTFS_VOLUME);
998  return NULL;
999  }
1000 
1001  //
1002  // Remember NTFS volume information
1003  //
1004  NtfsVolumes[DeviceId] = Volume;
1005 
1006  //
1007  // Return success
1008  //
1009  TRACE("NtfsMount(%lu) success\n", DeviceId);
1010  return &NtfsFuncTable;
1011 }
ESUCCESS
Definition: arc.h:32
Position
static COORD Position
Definition: mouse.c:34
Count
_Inout_ __drv_aliasesMem PSLIST_ENTRY _Inout_ PSLIST_ENTRY _In_ ULONG Count
Definition: exfuncs.h:1015
ARC_STATUS
ULONG ARC_STATUS
Definition: arc.h:4
NTFS_ATTR_TYPE_DATA
#define NTFS_ATTR_TYPE_DATA
Definition: ntfs.h:43
FileSystemError
VOID FileSystemError(PCSTR ErrorString)
Definition: fs.c:259
FrLdrTempAlloc
FORCEINLINE PVOID FrLdrTempAlloc(_In_ SIZE_T Size, _In_ ULONG Tag)
Definition: mm.h:177
NULL
smooth NULL
Definition: ftsmooth.c:416
TRACE
#define TRACE(s)
Definition: solgame.cpp:4
RtlEqualMemory
NTSYSAPI ULONG NTAPI RtlEqualMemory(CONST VOID *Source1, CONST VOID *Source2, ULONG Length)
NtfsFindAttribute
static PNTFS_ATTR_CONTEXT NtfsFindAttribute(PNTFS_VOLUME_INFO Volume, PNTFS_MFT_RECORD MftRecord, ULONG Type, const WCHAR *Name)
Definition: ntfs.c:443
TAG_NTFS_VOLUME
#define TAG_NTFS_VOLUME
Definition: ntfs.c:39
ArcRead
ARC_STATUS ArcRead(ULONG FileId, VOID *Buffer, ULONG N, ULONG *Count)
Definition: fs.c:236
L
static const WCHAR L[]
Definition: oid.c:1250
NtfsVolumes
PNTFS_VOLUME_INFO NtfsVolumes[MAX_FDS]
Definition: ntfs.c:55
ArcSeek
ARC_STATUS ArcSeek(ULONG FileId, LARGE_INTEGER *Position, SEEKMODE SeekMode)
Definition: fs.c:243
_NTFS_VOLUME_INFO
Definition: ntfs.c:42
Status
Status
Definition: gdiplustypes.h:24
TAG_NTFS_DATA
#define TAG_NTFS_DATA
Definition: ntfs.c:40
_LARGE_INTEGER
Definition: typedefs.h:100
ULONG
unsigned int ULONG
Definition: retypes.h:1
RtlZeroMemory
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:261
TAG_NTFS_MFT
#define TAG_NTFS_MFT
Definition: ntfs.c:35
NtfsFuncTable
const DEVVTBL NtfsFuncTable
Definition: ntfs.c:871
FrLdrTempFree
FORCEINLINE VOID FrLdrTempFree(PVOID Allocation, ULONG Tag)
Definition: mm.h:186

Referenced by ArcOpen().