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/*
* AUTHOR
* N. Nielsen
*
* LICENSE
* This software is in the public domain.
*
* The software is provided "as is", without warranty of any kind,
* express or implied, including but not limited to the warranties
* of merchantability, fitness for a particular purpose, and
* noninfringement. In no event shall the author(s) be liable for any
* claim, damages, or other liability, whether in an action of
* contract, tort, or otherwise, arising from, out of, or in connection
* with the software or the use or other dealings in the software.
*
* SUPPORT
* Send bug reports to: <nielsen@memberwebs.com>
*/
#ifndef __NTFS_H__
#define __NTFS_H__
#include "usuals.h"
#include "stddef.h"
#include "drive.h"
#pragma pack(1)
/* WARNING Assumptions: */
#define kNTFS_RecordLen 0x0400
#define kNTFS_SysId "NTFS "
typedef struct ntfs_bootsector
{
byte jmp[3]; /* Jump to the boot loader routine */
char sysId[8]; /* System Id: "NTFS " */
uint16 bytePerSec; /* Bytes per sector */
byte secPerClus; /* Sectors per cluster */
byte padding[7]; /* Unused */
byte mediaDescriptor; /* Media descriptor (a) */
byte padding2[2]; /* Unused */
uint16 secPerTrack; /* Sectors per track */
uint16 numHeads; /* Number of heads */
byte padding3[8]; /* Unused */
uint32 signature; /* Always 80 00 80 00 */
uint64 cSectors; /* Number of sectors in the volume */
uint64 offMFT; /* LCN of VCN 0 of the $MFT */
uint64 offMFTMirr; /* LCN of VCN 0 of the $MFTMirr */
uint32 clusPerMFT; /* Clusters per MFT Record (b) */
uint32 clusPerIndex; /* Clusters per Index Record */
uint64 serialNum; /* Volume serial number */
}
ntfs_bootsector;
#define kNTFS_RecMagic ((uint32)'ELIF')
#define kNTFS_RecEnd 0xFFFFFFFF
#define kNTFS_RecHeaderLen 0x30
#define kNTFS_RecFlagUse 0x01
#define kNTFS_RecFlagDir 0x02
#ifdef _WIN32
#define kNTFS_RefMask 0xFFFFFFFFFFFF
#else
#define kNTFS_RefMask 0xFFFFFFFFFFFFLL
#endif
typedef struct _ntfs_recordheader
{
uint32 magic; /* Magic number 'FILE' */
uint16 offUpdSeq; /* Offset to the update sequence */
uint16 cwUpdSeq; /* Size in words of Update Sequence Number & Array (S) */
uint64 logSeqNum; /* $LogFile Sequence Number (LSN) */
uint16 seqNum; /* Sequence number */
uint16 cHardlinks; /* Hard link count */
uint16 offAttrs; /* Offset to Attributes */
uint16 flags; /* Flags */
uint32 cbRecord; /* Real size of the FILE record */
uint32 cbAllocated; /* Allocated size of the FILE record */
uint64 refBaseRecord; /* File reference to the base FILE record */
uint16 nextAttrId; /* Next Attribute Id */
uint16 padding; /* (XP) Align to 4 byte boundary */
uint32 recordNum; /* (XP) Number of this MFT Record */
}
ntfs_recordheader;
#define kNTFS_AttrCompressed 0x0001
#define kNTFS_AttrEncrypted 0x0002
#define kNTFS_AttrSparse 0x0004
typedef struct _ntfs_attribheader
{
uint32 type; /* Attribute Type (e.g. 0x10, 0x60) */
uint32 cbAttribute; /* Length (including this header) */
byte bNonResident; /* Non-resident flag */
byte cName; /* Name length */
uint16 offName; /* Offset to the Attribute */
uint16 flags; /* Flags */
uint16 idAttribute; /* Attribute Id (a) */
}
ntfs_attribheader;
typedef struct _ntfs_attribresident
{
ntfs_attribheader header;
uint32 cbAttribData; /* Length of the Attribute */
uint16 offAttribData; /* Offset to the Attribute */
byte bIndexed; /* Indexed flag */
byte padding; /* 0x00 Padding */
}
ntfs_attribresident;
typedef struct _ntfs_attribnonresident
{
ntfs_attribheader header;
uint64 startVCN; /* Starting VCN */
uint64 lastVCN; /* Last VCN */
uint16 offDataRuns; /* Offset to the Data Runs */
uint16 compUnitSize; /* Compression Unit Size (b) */
uint32 padding; /* Padding */
uint64 cbAllocated; /* Allocated size of the attribute (c) */
uint64 cbAttribData; /* Real size of the attribute */
uint64 cbInitData; /* Initialized data size of the stream (d) */
}
ntfs_attribnonresident;
#define kNTFS_ATTRIBUTE_LIST 0x20
#define kNTFS_FILENAME 0x30
#define kNTFS_DATA 0x80
#define kNTFS_FileReadOnly 0x0001
#define kNTFS_FileHidden 0x0002
#define kNTFS_FileSystem 0x0004
#define kNTFS_FileArchive 0x0020
#define kNTFS_FileDevice 0x0040
#define kNTFS_FileNormal 0x0080
#define kNTFS_FileTemorary 0x0100
#define kNTFS_FileSparse 0x0200
#define kNTFS_FileReparse 0x0400
#define kNTFS_FileCompressed 0x0800
#define kNTFS_FileOffline 0x1000
#define kNTFS_FileNotIndexed 0x2000
#define kNTFS_FileEncrypted 0x4000
#define kNTFS_NameSpacePOSIX 0x00
#define kNTFS_NameSpaceWIN32 0x01
#define kNTFS_NameSpaceDOS 0x02
#define kNTFS_NameSpaceWINDOS 0x03
#ifdef FC_WIDE
#define kNTFS_MFTName L"$MFT"
#else
#define kNTFS_MFTName "$MFT"
#endif
typedef struct _ntfs_attribfilename
{
uint64 refParent; /* File reference to the parent directory. */
uint64 timeCreated; /* C Time - File Creation */
uint64 timeAltered; /* A Time - File Altered */
uint64 timeModified; /* M Time - MFT Changed */
uint64 timeRead; /* R Time - File Read */
uint64 cbAllocated; /* Allocated size of the file */
uint64 cbFileSize; /* Real size of the file */
uint32 flags; /* Flags, e.g. Directory, compressed, hidden */
uint32 eaReparse; /* Used by EAs and Reparse */
byte cFileName; /* Filename length in characters (L) */
byte nameSpace; /* Filename namespace */
/* File Name comes here */
}
ntfs_attribfilename;
typedef struct _ntfs_attriblistrecord
{
uint32 type; /* Type */
uint16 cbRecord; /* Record length */
byte cName; /* Name length (N) */
byte offName; /* Offset to Name (a)*/
uint64 startVCN; /* Starting VCN (b) */
uint64 refAttrib; /* Base File Reference of the attribute */
uint16 idAttribute; /* Attribute Id (c) */
/* Attribute name here */
}
ntfs_attriblistrecord;
#pragma pack()
ntfs_attribheader* ntfs_findattribute(ntfs_recordheader* record, uint32 attrType, byte* end);
ntfs_attribheader* ntfs_nextattribute(ntfs_attribheader* attrib, uint32 attrType, byte* end);
byte* ntfs_getattributelist(ntfs_recordheader* record);
byte* ntfs_getattributedata(ntfs_attribresident* attrib, byte* end);
bool ntfs_isbetternamespace(byte n1, byte n2);
bool ntfs_dofixups(byte* cluster, uint32 size);
/* TODO: Move these declarations elsewhere */
char* unicode_transcode16to8(const wchar_t* src, size_t len);
wchar_t* unicode_transcode8to16(const char* src, wchar_t* out, size_t len);
#endif /* __NTFS_H__ */
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