KernelLand/Modules/Filesystems/NTFS/main.c

   1 /*
   2  * Acess2 - NTFS Driver
   3  * By John Hodge (thePowersGang)
   4  *
   5  * main.c
   6  * - Driver core
   7  *
   8  * Reference: ntfsdoc.pdf
   9  */
  10 #define DEBUG   1
  11 #define VERBOSE 0
  12 #include <acess.h>
  13 #include <vfs.h>
  14 #include "common.h"
  15 #include <modules.h>
  16 #include <utf16.h>
  17
  18 // === PROTOTYPES ===
  19  int    NTFS_Install(char **Arguments);
  20  int    NTFS_Detect(int FD);
  21 tVFS_Node       *NTFS_InitDevice(const char *Devices, const char **Options);
  22 void    NTFS_Unmount(tVFS_Node *Node);
  23 // - MFT Related Functions
  24 tNTFS_FILE_Header       *NTFS_GetMFT(tNTFS_Disk *Disk, Uint32 MFTEntry);
  25 void    NTFS_ReleaseMFT(tNTFS_Disk *Disk, Uint32 MFTEntry, tNTFS_FILE_Header *Entry);
  26 tNTFS_Attrib    *NTFS_GetAttrib(tNTFS_Disk *Disk, Uint32 MFTEntry, int Type, const char *Name, int DesIdx);
  27 size_t  NTFS_ReadAttribData(tNTFS_Attrib *Attrib, Uint64 Offset, size_t Length, void *Buffer);
  28 void    NTFS_DumpEntry(tNTFS_Disk *Disk, Uint32 Entry);
  29
  30 // === GLOBALS ===
  31 MODULE_DEFINE(0, 0x0A /*v0.1*/, FS_NTFS, NTFS_Install, NULL);
  32 tVFS_Driver     gNTFS_FSInfo = {
  33         .Name = "ntfs",
  34         .Detect = NTFS_Detect,
  35         .InitDevice = NTFS_InitDevice,
  36         .Unmount = NTFS_Unmount,
  37         .GetNodeFromINode = NULL
  38 };
  39 tVFS_NodeType   gNTFS_DirType = {
  40         .TypeName = "NTFS-Dir",
  41         .ReadDir = NTFS_ReadDir,
  42         .FindDir = NTFS_FindDir,
  43         .Close = NULL
  44         };
  45 tVFS_NodeType   gNTFS_FileType = {
  46         .TypeName = "NTFS-File",
  47         .Close = NULL
  48         };
  49
  50 tNTFS_Disk      gNTFS_Disks;
  51
  52 // === CODE ===
  53 /**
  54  * \brief Installs the NTFS driver
  55  */
  56 int NTFS_Install(char **Arguments)
  57 {
  58         VFS_AddDriver( &gNTFS_FSInfo );
  59         return 0;
  60 }
  61
  62 /**
  63  * \brief Detect if a volume is NTFS
  64  */
  65 int NTFS_Detect(int FD)
  66 {
  67         tNTFS_BootSector        bs;
  68         VFS_ReadAt(FD, 0, 512, &bs);
  69
  70         if( bs.BytesPerSector == 0 || (bs.BytesPerSector & 511) )
  71                 return 0;
  72
  73         Uint64  ncluster = bs.TotalSectorCount / bs.SectorsPerCluster;
  74         if( bs.MFTStart >= ncluster || bs.MFTMirrorStart >= ncluster )
  75                 return 0;
  76
  77         if( memcmp(bs.SystemID, "NTFS    ", 8) != 0 )
  78                 return 0;
  79
  80         return 1;
  81 }
  82
  83 /**
  84  * \brief Mount a NTFS volume
  85  */
  86 tVFS_Node *NTFS_InitDevice(const char *Device, const char **Options)
  87 {
  88         tNTFS_Disk      *disk;
  89         tNTFS_BootSector        bs;
  90
  91         disk = calloc( sizeof(tNTFS_Disk), 1 );
  92
  93         disk->FD = VFS_Open(Device, VFS_OPENFLAG_READ);
  94         if(!disk->FD) {
  95                 free(disk);
  96                 return NULL;
  97         }
  98
  99         Log_Debug("FS_NTFS", "&bs = %p", &bs);
 100         VFS_ReadAt(disk->FD, 0, 512, &bs);
 101
 102         Log_Debug("FS_NTFS", "Jump = %02x%02x%02x",
 103                 bs.Jump[0],
 104                 bs.Jump[1],
 105                 bs.Jump[2]);
 106         Log_Debug("FS_NTFS", "SystemID = %02x%02x%02x%02x%02x%02x%02x%02x (%8C)",
 107                 bs.SystemID[0], bs.SystemID[1], bs.SystemID[2], bs.SystemID[3],
 108                 bs.SystemID[4], bs.SystemID[5], bs.SystemID[6], bs.SystemID[7],
 109                 bs.SystemID
 110                 );
 111         Log_Debug("FS_NTFS", "BytesPerSector = %i", bs.BytesPerSector);
 112         Log_Debug("FS_NTFS", "SectorsPerCluster = %i", bs.SectorsPerCluster);
 113         Log_Debug("FS_NTFS", "MediaDescriptor = 0x%x", bs.MediaDescriptor);
 114         Log_Debug("FS_NTFS", "SectorsPerTrack = %i", bs.SectorsPerTrack);
 115         Log_Debug("FS_NTFS", "Heads = %i", bs.Heads);
 116         Log_Debug("FS_NTFS", "TotalSectorCount = 0x%llx", bs.TotalSectorCount);
 117         Log_Debug("FS_NTFS", "MFTStart = 0x%llx", bs.MFTStart);
 118         Log_Debug("FS_NTFS", "MFTMirrorStart = 0x%llx", bs.MFTMirrorStart);
 119         Log_Debug("FS_NTFS", "ClustersPerMFTRecord = %i", bs.ClustersPerMFTRecord);
 120         Log_Debug("FS_NTFS", "ClustersPerIndexRecord = %i", bs.ClustersPerIndexRecord);
 121         Log_Debug("FS_NTFS", "SerialNumber = 0x%llx", bs.SerialNumber);
 122
 123         disk->ClusterSize = bs.BytesPerSector * bs.SectorsPerCluster;
 124         Log_Debug("NTFS", "Cluster Size = %i KiB", disk->ClusterSize/1024);
 125         disk->MFTBase = bs.MFTStart;
 126         Log_Debug("NTFS", "MFT Base = %i", disk->MFTBase);
 127         Log_Debug("NTFS", "TotalSectorCount = 0x%x", bs.TotalSectorCount);
 128
 129         if( bs.ClustersPerMFTRecord < 0 ) {
 130                 disk->MFTRecSize = 1 << (-bs.ClustersPerMFTRecord);
 131         }
 132         else {
 133                 disk->MFTRecSize = bs.ClustersPerMFTRecord * disk->ClusterSize;
 134         }
 135         //NTFS_DumpEntry(disk, 0);      // $MFT
 136         //NTFS_DumpEntry(disk, 3);      // $VOLUME
 137
 138         disk->InodeCache = Inode_GetHandle();
 139
 140         disk->MFTDataAttr = NULL;
 141         disk->MFTDataAttr = NTFS_GetAttrib(disk, 0, NTFS_FileAttrib_Data, "", 0);
 142         NTFS_DumpEntry(disk, 5);        // .
 143
 144         disk->RootDir.I30Root = NTFS_GetAttrib(disk, 5, NTFS_FileAttrib_IndexRoot, "$I30", 0);
 145         disk->RootDir.I30Allocation = NTFS_GetAttrib(disk, 5, NTFS_FileAttrib_IndexAllocation, "$I30", 0);
 146         disk->RootDir.Node.Inode = 5;   // MFT Ent #5 is filesystem root
 147         disk->RootDir.Node.ImplPtr = disk;
 148         disk->RootDir.Node.Type = &gNTFS_DirType;
 149         disk->RootDir.Node.Flags = VFS_FFLAG_DIRECTORY;
 150
 151         disk->RootDir.Node.UID = 0;
 152         disk->RootDir.Node.GID = 0;
 153
 154         disk->RootDir.Node.NumACLs = 1;
 155         disk->RootDir.Node.ACLs = &gVFS_ACL_EveryoneRX;
 156
 157         #if 0
 158         {
 159                 // Read from allocation
 160                 char buf[disk->ClusterSize];
 161                 size_t len = NTFS_ReadAttribData(disk->RootDir.I30Allocation, 0, sizeof(buf), buf);
 162                 Debug_HexDump("RootDir allocation", buf, len);
 163         }
 164         #endif
 165
 166         return &disk->RootDir.Node;
 167 }
 168
 169 /**
 170  * \brief Unmount an NTFS Disk
 171  */
 172 void NTFS_Unmount(tVFS_Node *Node)
 173 {
 174         tNTFS_Disk      *Disk = Node->ImplPtr;
 175         VFS_Close(Disk->FD);
 176         free(Disk);
 177 }
 178
 179 tNTFS_FILE_Header *NTFS_GetMFT(tNTFS_Disk *Disk, Uint32 MFTEntry)
 180 {
 181         void    *ret = malloc( Disk->MFTRecSize );
 182         if(!ret) {
 183                 Log_Warning("FS_NTFS", "malloc() fail!");
 184                 return NULL;
 185         }
 186
 187         // NOTE: The MFT is a file, and can get fragmented
 188         if( !Disk->MFTDataAttr ) {
 189                 VFS_ReadAt( Disk->FD,
 190                         Disk->MFTBase * Disk->ClusterSize + MFTEntry * Disk->MFTRecSize,
 191                         Disk->MFTRecSize,
 192                         ret);
 193         }
 194         else {
 195                 NTFS_ReadAttribData(Disk->MFTDataAttr, MFTEntry * Disk->MFTRecSize, Disk->MFTRecSize, ret);
 196         }
 197
 198         return ret;
 199 }
 200
 201 void NTFS_ReleaseMFT(tNTFS_Disk *Disk, Uint32 MFTEntry, tNTFS_FILE_Header *Entry)
 202 {
 203         free(Entry);
 204 }
 205
 206 static inline Uint64 _getVariableLengthInt(const void *Ptr, int Length, int bExtend)
 207 {
 208         const Uint8     *data = Ptr;
 209         Uint64  bits = 0;
 210         for( int i = 0; i < Length; i ++ )
 211                 bits |= (Uint64)data[i] << (i*8);
 212         if( bExtend && Length && data[Length-1] & 0x80 ) {
 213                 for( int i = Length; i < 8; i ++ )
 214                         bits |= 0xFF << (i*8);
 215         }
 216         return bits;    //
 217 }
 218
 219 const void *_GetDataRun(const void *ptr, const void *limit, Uint64 LastLCN, Uint64 *Count, Uint64 *LCN)
 220 {
 221         // Clean exit?
 222         if( ptr == limit ) {
 223                 LOG("Clean end of list");
 224                 return NULL;
 225         }
 226
 227         const Uint8     *data = ptr;
 228
 229         // Offset size
 230         Uint8   ofsSize = data[0] >> 4;
 231         Uint8   lenSize = data[0] & 0xF;
 232         LOG("ofsSize = %i, lenSize = %i", ofsSize, lenSize);
 233         if( ofsSize > 8 )
 234                 return NULL;
 235         if( lenSize > 8 || lenSize < 1 )
 236                 return NULL;
 237         if( data + 1 + ofsSize + lenSize > (const Uint8*)limit )
 238                 return NULL;
 239
 240         if( Count ) {
 241                 *Count = _getVariableLengthInt(data + 1, lenSize, 0);
 242         }
 243         if( LCN ) {
 244                 *LCN = LastLCN + (Sint64)_getVariableLengthInt(data + 1 + lenSize, ofsSize, 1);
 245         }
 246
 247         return data + 1 + ofsSize + lenSize;
 248 }
 249
 250 tNTFS_Attrib *NTFS_GetAttrib(tNTFS_Disk *Disk, Uint32 MFTEntry, int Type, const char *Name, int DesIdx)
 251 {
 252         ENTER("pDisk xMFTEntry xType sName iDesIdx",
 253                 Disk, MFTEntry, Type, Name, DesIdx);
 254          int    curIdx = 0;
 255         // TODO: Scan cache of attributes
 256
 257         // Load MFT entry
 258         tNTFS_FILE_Header *hdr = NTFS_GetMFT(Disk, MFTEntry);
 259         LOG("hdr = %p", hdr);
 260
 261         tNTFS_FILE_Attrib       *attr;
 262         for( size_t ofs = hdr->FirstAttribOfs; ofs < hdr->RecordSize; ofs += attr->Size )
 263         {
 264                 attr = (void*)( (tVAddr)hdr + ofs );
 265                 // Sanity #1: Type
 266                 if( ofs + 4 > hdr->RecordSize )
 267                         break ;
 268                 // End-of-list?
 269                 if( attr->Type == 0xFFFFFFFF )
 270                         break;
 271                 // Sanity #2: Type,Size
 272                 if( ofs + 8 > hdr->RecordSize )
 273                         break;
 274                 // Sanity #3: Reported size
 275                 if( attr->Size < sizeof(attr->Resident) )
 276                         break;
 277                 // Sanity #4: Reported size fits
 278                 if( ofs + attr->Size > hdr->RecordSize )
 279                         break;
 280
 281                 // - Chceck if this attribute is the one requested
 282                 LOG("Type check %x == %x", attr->Type, Type);
 283                 if( attr->Type != Type )
 284                         continue;
 285                 if( Name ) {
 286                         LOG("Name check = '%s'", Name);
 287                         const void      *name16 = (char*)attr + attr->NameOffset;
 288                         if( UTF16_CompareWithUTF8(attr->NameLength, name16, Name) != 0 )
 289                                 continue ;
 290                 }
 291                 LOG("Idx check %i", curIdx);
 292                 if( curIdx++ != DesIdx )
 293                         continue ;
 294
 295                 // - Construct (and cache) attribute description
 296                 ASSERT(attr->NameOffset % 1 == 0);
 297                 Uint16  *name16 = (Uint16*)attr + attr->NameOffset/2;
 298                 size_t  namelen = UTF16_ConvertToUTF8(0, NULL, attr->NameLength, name16);
 299                 size_t  edatalen = (attr->NonresidentFlag ? 0 : attr->Resident.AttribLen*4);
 300                 tNTFS_Attrib *ret = malloc( sizeof(tNTFS_Attrib) + namelen + 1 + edatalen );
 301                 if(!ret) {
 302                         LEAVE('n');
 303                         return NULL;
 304                 }
 305                 if( attr->NonresidentFlag )
 306                         ret->Name = (void*)(ret + 1);
 307                 else {
 308                         ret->ResidentData = ret + 1;
 309                         ret->Name = (char*)ret->ResidentData + edatalen;
 310                 }
 311
 312                 ret->Disk = Disk;
 313                 ret->Type = attr->Type;
 314                 UTF16_ConvertToUTF8(namelen+1, ret->Name, attr->NameLength, name16);
 315                 ret->IsResident = !(attr->NonresidentFlag);
 316
 317                 LOG("Creating with %x '%s'", ret->Type, ret->Name);
 318
 319                 if( attr->NonresidentFlag )
 320                 {
 321                         ret->DataSize = attr->NonResident.RealSize;
 322                         ret->NonResident.CompressionUnitL2Size = attr->NonResident.CompressionUnitSize;
 323                         ret->NonResident.FirstPopulatedCluster = attr->NonResident.StartingVCN;
 324                         // Count data runs
 325                         const char *limit = (char*)attr + attr->Size;
 326                          int    nruns = 0;
 327                         const char *datarun = (char*)attr + attr->NonResident.DataRunOfs;
 328                         while( (datarun = _GetDataRun(datarun, limit, 0, NULL, NULL)) )
 329                                 nruns ++;
 330                         LOG("nruns = %i", nruns);
 331                         // Allocate data runs
 332                         ret->NonResident.nRuns = nruns;
 333                         ret->NonResident.Runs = malloc( sizeof(tNTFS_AttribDataRun) * nruns );
 334                          int    i = 0;
 335                         datarun = (char*)attr + attr->NonResident.DataRunOfs;
 336                         Uint64  lastLCN = 0;
 337                         while( datarun && i < nruns )
 338                         {
 339                                 tNTFS_AttribDataRun     *run = &ret->NonResident.Runs[i];
 340                                 datarun = _GetDataRun(datarun,limit, lastLCN, &run->Count, &run->LCN);
 341                                 LOG("Run %i: %llx+%llx", i, run->LCN, run->Count);
 342                                 lastLCN = run->LCN;
 343                                 i ++;
 344                         }
 345                 }
 346                 else
 347                 {
 348                         memcpy(ret->ResidentData, (char*)attr + attr->Resident.AttribOfs, edatalen);
 349                 }
 350
 351                 LEAVE('p', ret);
 352                 return ret;
 353         }
 354
 355         NTFS_ReleaseMFT(Disk, MFTEntry, hdr);
 356         LEAVE('n');
 357         return NULL;
 358 }
 359
 360 size_t NTFS_ReadAttribData(tNTFS_Attrib *Attrib, Uint64 Offset, size_t Length, void *Buffer)
 361 {
 362         if( Offset >= Attrib->DataSize )
 363                 return 0;
 364         if( Length > Attrib->DataSize )
 365                 Length = Attrib->DataSize;
 366         if( Offset + Length > Attrib->DataSize )
 367                 Length = Attrib->DataSize - Offset;
 368
 369         if( Attrib->IsResident )
 370         {
 371                 memcpy(Buffer, Attrib->ResidentData, Length);
 372                 return Length;
 373         }
 374         else
 375         {
 376                 size_t  ret = 0;
 377                 tNTFS_Disk      *Disk = Attrib->Disk;
 378                 Uint64  first_cluster = Offset / Disk->ClusterSize;
 379                 size_t  cluster_ofs = Offset % Disk->ClusterSize;
 380                 if( first_cluster < Attrib->NonResident.FirstPopulatedCluster ) {
 381                         Log_Warning("NTFS", "TODO: Ofs < FirstVCN");
 382                 }
 383                 first_cluster -= Attrib->NonResident.FirstPopulatedCluster;
 384                 if( Attrib->NonResident.CompressionUnitL2Size )
 385                 {
 386                         // TODO: Compression
 387                         Log_Warning("NTFS", "Compression unsupported");
 388                         // NOTE: Compressed blocks show up in pairs of runs
 389                         // - The first contains the compressed data
 390                         // - The second is a placeholder 'sparse' (LCN=0) to align to the compression unit
 391                 }
 392                 else
 393                 {
 394                         // Iterate through data runs until the desired run is located
 395                         for( int i = 0; i < Attrib->NonResident.nRuns && Length; i ++ )
 396                         {
 397                                 tNTFS_AttribDataRun     *run = &Attrib->NonResident.Runs[i];
 398                                 if( first_cluster > run->Count ) {
 399                                         first_cluster -= run->Count;
 400                                         continue ;
 401                                 }
 402                                 size_t  avail_bytes = (run->Count-first_cluster)*Disk->ClusterSize - cluster_ofs;
 403                                 if( avail_bytes > Length )
 404                                         avail_bytes = Length;
 405                                 // Read from this extent
 406                                 if( run->LCN == 0 ) {
 407                                         memset(Buffer, 0, avail_bytes);
 408                                 }
 409                                 else {
 410                                         VFS_ReadAt(Disk->FD,
 411                                                 (run->LCN + first_cluster)*Disk->ClusterSize + cluster_ofs,
 412                                                 avail_bytes,
 413                                                 Buffer
 414                                                 );
 415                                 }
 416                                 Length -= avail_bytes;
 417                                 Buffer += avail_bytes;
 418                                 ret += avail_bytes;
 419                                 first_cluster = 0;
 420                                 cluster_ofs = 0;
 421                                 continue ;
 422                         }
 423                 }
 424                 return ret;
 425         }
 426 }
 427
 428 /**
 429  * \brief Dumps a MFT Entry
 430  */
 431 void NTFS_DumpEntry(tNTFS_Disk *Disk, Uint32 Entry)
 432 {
 433         tNTFS_FILE_Attrib       *attr;
 434          int    i;
 435
 436         tNTFS_FILE_Header       *hdr = malloc( Disk->MFTRecSize );
 437         if(!hdr) {
 438                 Log_Warning("FS_NTFS", "malloc() fail!");
 439                 return ;
 440         }
 441
 442         VFS_ReadAt( Disk->FD,
 443                 Disk->MFTBase * Disk->ClusterSize + Entry * Disk->MFTRecSize,
 444                 Disk->MFTRecSize,
 445                 hdr);
 446
 447         Log_Debug("FS_NTFS", "MFT Entry #%i", Entry);
 448         Log_Debug("FS_NTFS", "- Magic = 0x%08x (%4C)", hdr->Magic, &hdr->Magic);
 449         Log_Debug("FS_NTFS", "- UpdateSequenceOfs = 0x%x", hdr->UpdateSequenceOfs);
 450         Log_Debug("FS_NTFS", "- UpdateSequenceSize = 0x%x", hdr->UpdateSequenceSize);
 451         Log_Debug("FS_NTFS", "- LSN = 0x%x", hdr->LSN);
 452         Log_Debug("FS_NTFS", "- SequenceNumber = %i", hdr->SequenceNumber);
 453         Log_Debug("FS_NTFS", "- HardLinkCount = %i", hdr->HardLinkCount);
 454         Log_Debug("FS_NTFS", "- FirstAttribOfs = 0x%x", hdr->FirstAttribOfs);
 455         Log_Debug("FS_NTFS", "- Flags = 0x%x", hdr->Flags);
 456         Log_Debug("FS_NTFS", "- RecordSize = 0x%x", hdr->RecordSize);
 457         Log_Debug("FS_NTFS", "- RecordSpace = 0x%x", hdr->RecordSpace);
 458         Log_Debug("FS_NTFS", "- Reference = 0x%llx", hdr->Reference);
 459         Log_Debug("FS_NTFS", "- NextAttribID = 0x%04x", hdr->NextAttribID);
 460
 461         attr = (void*)( (char*)hdr + hdr->FirstAttribOfs );
 462         i = 0;
 463         while( (tVAddr)attr < (tVAddr)hdr + hdr->RecordSize )
 464         {
 465                 if(attr->Type == 0xFFFFFFFF)    break;
 466                 Log_Debug("FS_NTFS", "- Attribute %i", i ++);
 467                 Log_Debug("FS_NTFS", " > Type = 0x%x", attr->Type);
 468                 Log_Debug("FS_NTFS", " > Size = 0x%x", attr->Size);
 469                 Log_Debug("FS_NTFS", " > ResidentFlag = 0x%x", attr->NonresidentFlag);
 470                 Log_Debug("FS_NTFS", " > NameLength = %i", attr->NameLength);
 471                 Log_Debug("FS_NTFS", " > NameOffset = 0x%x", attr->NameOffset);
 472                 Log_Debug("FS_NTFS", " > Flags = 0x%x", attr->Flags);
 473                 Log_Debug("FS_NTFS", " > AttributeID = 0x%x", attr->AttributeID);
 474                 {
 475                         Uint16  *name16 = (void*)((char*)attr + attr->NameOffset);
 476                         size_t  len = UTF16_ConvertToUTF8(0, NULL, attr->NameLength, name16);
 477                         char    name[len+1];
 478                         UTF16_ConvertToUTF8(len+1, name, attr->NameLength, name16);
 479                         Log_Debug("FS_NTFS", " > Name = '%s'", name);
 480                 }
 481                 if( !attr->NonresidentFlag ) {
 482                         Log_Debug("FS_NTFS", " > AttribLen = 0x%x", attr->Resident.AttribLen);
 483                         Log_Debug("FS_NTFS", " > AttribOfs = 0x%x", attr->Resident.AttribOfs);
 484                         Log_Debug("FS_NTFS", " > IndexedFlag = 0x%x", attr->Resident.IndexedFlag);
 485                         Debug_HexDump("FS_NTFS",
 486                                 (void*)( (tVAddr)attr + attr->Resident.AttribOfs ),
 487                                 attr->Resident.AttribLen
 488                                 );
 489                 }
 490                 else {
 491                         Log_Debug("FS_NTFS", " > StartingVCN = 0x%llx", attr->NonResident.StartingVCN);
 492                         Log_Debug("FS_NTFS", " > LastVCN = 0x%llx", attr->NonResident.LastVCN);
 493                         Log_Debug("FS_NTFS", " > DataRunOfs = 0x%x", attr->NonResident.DataRunOfs);
 494                         Log_Debug("FS_NTFS", " > CompressionUnitSize = 0x%x", attr->NonResident.CompressionUnitSize);
 495                         Log_Debug("FS_NTFS", " > AllocatedSize = 0x%llx", attr->NonResident.AllocatedSize);
 496                         Log_Debug("FS_NTFS", " > RealSize = 0x%llx", attr->NonResident.RealSize);
 497                         Log_Debug("FS_NTFS", " > InitiatedSize = 0x%llx", attr->NonResident.InitiatedSize);
 498                         Debug_HexDump("FS_NTFS",
 499                                 (char*)attr + attr->NonResident.DataRunOfs,
 500                                 attr->Size - attr->NonResident.DataRunOfs
 501                                 );
 502                 }
 503
 504                 attr = (void*)( (tVAddr)attr + attr->Size );
 505         }
 506
 507         free(hdr);
 508 }