3 * By John Hodge (thePowersGang)
15 extern char *NTFS_ReadDir(tVFS_Node *Node, int Pos);
16 extern tVFS_Node *NTFS_FindDir(tVFS_Node *Node, const char *Name);
19 int NTFS_Install(char **Arguments);
20 tVFS_Node *NTFS_InitDevice(const char *Devices, const char **Options);
21 void NTFS_Unmount(tVFS_Node *Node);
22 void NTFS_DumpEntry(tNTFS_Disk *Disk, Uint32 Entry);
25 MODULE_DEFINE(0, 0x0A /*v0.1*/, FS_NTFS, NTFS_Install, NULL);
26 tVFS_Driver gNTFS_FSInfo = {"ntfs", 0, NTFS_InitDevice, NTFS_Unmount, NULL};
27 tVFS_NodeType gNTFS_DirType = {
28 .TypeName = "NTFS-File",
29 .ReadDir = NTFS_ReadDir,
30 .FindDir = NTFS_FindDir,
34 tNTFS_Disk gNTFS_Disks;
38 * \brief Installs the NTFS driver
40 int NTFS_Install(char **Arguments)
42 VFS_AddDriver( &gNTFS_FSInfo );
47 * \brief Mount a NTFS volume
49 tVFS_Node *NTFS_InitDevice(const char *Device, const char **Options)
54 disk = malloc( sizeof(tNTFS_Disk) );
56 disk->FD = VFS_Open(Device, VFS_OPENFLAG_READ);
62 Log_Debug("FS_NTFS", "&bs = %p", &bs);
63 VFS_ReadAt(disk->FD, 0, 512, &bs);
65 Log_Debug("FS_NTFS", "Jump = %02x%02x%02x",
69 Log_Debug("FS_NTFS", "SystemID = %02x%02x%02x%02x%02x%02x%02x%02x (%8C)",
70 bs.SystemID[0], bs.SystemID[1], bs.SystemID[2], bs.SystemID[3],
71 bs.SystemID[4], bs.SystemID[5], bs.SystemID[6], bs.SystemID[7],
74 Log_Debug("FS_NTFS", "BytesPerSector = %i", bs.BytesPerSector);
75 Log_Debug("FS_NTFS", "SectorsPerCluster = %i", bs.SectorsPerCluster);
76 Log_Debug("FS_NTFS", "MediaDescriptor = 0x%x", bs.MediaDescriptor);
77 Log_Debug("FS_NTFS", "SectorsPerTrack = %i", bs.SectorsPerTrack);
78 Log_Debug("FS_NTFS", "Heads = %i", bs.Heads);
79 Log_Debug("FS_NTFS", "TotalSectorCount = 0x%llx", bs.TotalSectorCount);
80 Log_Debug("FS_NTFS", "MFTStart = 0x%llx", bs.MFTStart);
81 Log_Debug("FS_NTFS", "MFTMirrorStart = 0x%llx", bs.MFTMirrorStart);
82 Log_Debug("FS_NTFS", "ClustersPerMFTRecord = %i", bs.ClustersPerMFTRecord);
83 Log_Debug("FS_NTFS", "ClustersPerIndexRecord = %i", bs.ClustersPerIndexRecord);
84 Log_Debug("FS_NTFS", "SerialNumber = 0x%llx", bs.SerialNumber);
86 disk->ClusterSize = bs.BytesPerSector * bs.SectorsPerCluster;
87 Log_Debug("NTFS", "Cluster Size = %i KiB", disk->ClusterSize/1024);
88 disk->MFTBase = bs.MFTStart;
89 Log_Debug("NTFS", "MFT Base = %i", disk->MFTBase);
90 Log_Debug("NTFS", "TotalSectorCount = 0x%x", bs.TotalSectorCount);
92 if( bs.ClustersPerMFTRecord < 0 ) {
93 disk->MFTRecSize = 1 << (-bs.ClustersPerMFTRecord);
96 disk->MFTRecSize = bs.ClustersPerMFTRecord * disk->ClusterSize;
99 disk->RootNode.Inode = 5; // MFT Ent #5 is filesystem root
100 disk->RootNode.ImplPtr = disk;
102 disk->RootNode.UID = 0;
103 disk->RootNode.GID = 0;
105 disk->RootNode.NumACLs = 1;
106 disk->RootNode.ACLs = &gVFS_ACL_EveryoneRX;
108 disk->RootNode.Type = &gNTFS_DirType;
111 NTFS_DumpEntry(disk, 5);
113 return &disk->RootNode;
117 * \brief Unmount an NTFS Disk
119 void NTFS_Unmount(tVFS_Node *Node)
125 * \brief Dumps a MFT Entry
127 void NTFS_DumpEntry(tNTFS_Disk *Disk, Uint32 Entry)
129 void *buf = malloc( Disk->MFTRecSize );
130 tNTFS_FILE_Header *hdr = buf;
131 tNTFS_FILE_Attrib *attr;
135 Log_Warning("FS_NTFS", "malloc() fail!");
139 VFS_ReadAt( Disk->FD,
140 Disk->MFTBase * Disk->ClusterSize + Entry * Disk->MFTRecSize,
144 Log_Debug("FS_NTFS", "MFT Entry #%i", Entry);
145 Log_Debug("FS_NTFS", "- Magic = 0x%08x (%4C)", hdr->Magic, &hdr->Magic);
146 Log_Debug("FS_NTFS", "- UpdateSequenceOfs = 0x%x", hdr->UpdateSequenceOfs);
147 Log_Debug("FS_NTFS", "- UpdateSequenceSize = 0x%x", hdr->UpdateSequenceSize);
148 Log_Debug("FS_NTFS", "- LSN = 0x%x", hdr->LSN);
149 Log_Debug("FS_NTFS", "- SequenceNumber = %i", hdr->SequenceNumber);
150 Log_Debug("FS_NTFS", "- HardLinkCount = %i", hdr->HardLinkCount);
151 Log_Debug("FS_NTFS", "- FirstAttribOfs = 0x%x", hdr->FirstAttribOfs);
152 Log_Debug("FS_NTFS", "- Flags = 0x%x", hdr->Flags);
153 Log_Debug("FS_NTFS", "- RecordSize = 0x%x", hdr->RecordSize);
154 Log_Debug("FS_NTFS", "- RecordSpace = 0x%x", hdr->RecordSpace);
155 Log_Debug("FS_NTFS", "- Reference = 0x%llx", hdr->Reference);
156 Log_Debug("FS_NTFS", "- NextAttribID = 0x%04x", hdr->NextAttribID);
158 attr = (void*)( (char*)hdr + hdr->FirstAttribOfs );
160 while( (tVAddr)attr < (tVAddr)hdr + hdr->RecordSize )
162 if(attr->Type == 0xFFFFFFFF) break;
163 Log_Debug("FS_NTFS", "- Attribute %i", i ++);
164 Log_Debug("FS_NTFS", " > Type = 0x%x", attr->Type);
165 Log_Debug("FS_NTFS", " > Size = 0x%x", attr->Size);
166 Log_Debug("FS_NTFS", " > ResidentFlag = 0x%x", attr->ResidentFlag);
167 Log_Debug("FS_NTFS", " > NameLength = %i", attr->NameLength);
168 Log_Debug("FS_NTFS", " > NameOffset = 0x%x", attr->NameOffset);
169 Log_Debug("FS_NTFS", " > Flags = 0x%x", attr->Flags);
170 Log_Debug("FS_NTFS", " > AttributeID = 0x%x", attr->AttributeID);
171 if( !attr->ResidentFlag ) {
172 Log_Debug("FS_NTFS", " > AttribLen = 0x%x", attr->Resident.AttribLen);
173 Log_Debug("FS_NTFS", " > AttribOfs = 0x%x", attr->Resident.AttribOfs);
174 Log_Debug("FS_NTFS", " > IndexedFlag = 0x%x", attr->Resident.IndexedFlag);
175 Log_Debug("FS_NTFS", " > Name = '%*C'", attr->NameLength, attr->Resident.Name);
176 Debug_HexDump("FS_NTFS",
177 (void*)( (tVAddr)attr + attr->Resident.AttribOfs ),
178 attr->Resident.AttribLen
182 Log_Debug("FS_NTFS", " > StartingVCN = 0x%llx", attr->NonResident.StartingVCN);
183 Log_Debug("FS_NTFS", " > LastVCN = 0x%llx", attr->NonResident.LastVCN);
184 Log_Debug("FS_NTFS", " > DataRunOfs = 0x%x", attr->NonResident.DataRunOfs);
185 Log_Debug("FS_NTFS", " > CompressionUnitSize = 0x%x", attr->NonResident.CompressionUnitSize);
186 Log_Debug("FS_NTFS", " > AllocatedSize = 0x%llx", attr->NonResident.AllocatedSize);
187 Log_Debug("FS_NTFS", " > RealSize = 0x%llx", attr->NonResident.RealSize);
188 Log_Debug("FS_NTFS", " > InitiatedSize = 0x%llx", attr->NonResident.InitiatedSize);
189 Log_Debug("FS_NTFS", " > Name = '%*C'", attr->NameLength, attr->NonResident.Name);
192 attr = (void*)( (tVAddr)attr + attr->Size );