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};
28 tNTFS_Disk gNTFS_Disks;
32 * \brief Installs the NTFS driver
34 int NTFS_Install(char **Arguments)
36 VFS_AddDriver( &gNTFS_FSInfo );
41 * \brief Mount a NTFS volume
43 tVFS_Node *NTFS_InitDevice(const char *Device, const char **Options)
48 disk = malloc( sizeof(tNTFS_Disk) );
50 disk->FD = VFS_Open(Device, VFS_OPENFLAG_READ);
56 Log_Debug("FS_NTFS", "&bs = %p", &bs);
57 VFS_ReadAt(disk->FD, 0, 512, &bs);
59 Log_Debug("FS_NTFS", "Jump = %02x%02x%02x",
63 Log_Debug("FS_NTFS", "SystemID = %02x%02x%02x%02x%02x%02x%02x%02x (%8C)",
64 bs.SystemID[0], bs.SystemID[1], bs.SystemID[2], bs.SystemID[3],
65 bs.SystemID[4], bs.SystemID[5], bs.SystemID[6], bs.SystemID[7],
68 Log_Debug("FS_NTFS", "BytesPerSector = %i", bs.BytesPerSector);
69 Log_Debug("FS_NTFS", "SectorsPerCluster = %i", bs.SectorsPerCluster);
70 Log_Debug("FS_NTFS", "MediaDescriptor = 0x%x", bs.MediaDescriptor);
71 Log_Debug("FS_NTFS", "SectorsPerTrack = %i", bs.SectorsPerTrack);
72 Log_Debug("FS_NTFS", "Heads = %i", bs.Heads);
73 Log_Debug("FS_NTFS", "TotalSectorCount = 0x%llx", bs.TotalSectorCount);
74 Log_Debug("FS_NTFS", "MFTStart = 0x%llx", bs.MFTStart);
75 Log_Debug("FS_NTFS", "MFTMirrorStart = 0x%llx", bs.MFTMirrorStart);
76 Log_Debug("FS_NTFS", "ClustersPerMFTRecord = %i", bs.ClustersPerMFTRecord);
77 Log_Debug("FS_NTFS", "ClustersPerIndexRecord = %i", bs.ClustersPerIndexRecord);
78 Log_Debug("FS_NTFS", "SerialNumber = 0x%llx", bs.SerialNumber);
80 disk->ClusterSize = bs.BytesPerSector * bs.SectorsPerCluster;
81 Log_Debug("NTFS", "Cluster Size = %i KiB", disk->ClusterSize/1024);
82 disk->MFTBase = bs.MFTStart;
83 Log_Debug("NTFS", "MFT Base = %i", disk->MFTBase);
84 Log_Debug("NTFS", "TotalSectorCount = 0x%x", bs.TotalSectorCount);
86 if( bs.ClustersPerMFTRecord < 0 ) {
87 disk->MFTRecSize = 1 << (-bs.ClustersPerMFTRecord);
90 disk->MFTRecSize = bs.ClustersPerMFTRecord * disk->ClusterSize;
93 disk->RootNode.Inode = 5; // MFT Ent #5 is filesystem root
94 disk->RootNode.ImplPtr = disk;
96 disk->RootNode.UID = 0;
97 disk->RootNode.GID = 0;
99 disk->RootNode.NumACLs = 1;
100 disk->RootNode.ACLs = &gVFS_ACL_EveryoneRX;
102 disk->RootNode.ReadDir = NTFS_ReadDir;
103 disk->RootNode.FindDir = NTFS_FindDir;
104 disk->RootNode.MkNod = NULL;
105 disk->RootNode.Link = NULL;
106 disk->RootNode.Relink = NULL;
107 disk->RootNode.Close = NULL;
109 NTFS_DumpEntry(disk, 5);
111 return &disk->RootNode;
115 * \brief Unmount an NTFS Disk
117 void NTFS_Unmount(tVFS_Node *Node)
123 * \brief Dumps a MFT Entry
125 void NTFS_DumpEntry(tNTFS_Disk *Disk, Uint32 Entry)
127 void *buf = malloc( Disk->MFTRecSize );
128 tNTFS_FILE_Header *hdr = buf;
129 tNTFS_FILE_Attrib *attr;
133 Log_Warning("FS_NTFS", "malloc() fail!");
137 VFS_ReadAt( Disk->FD,
138 Disk->MFTBase * Disk->ClusterSize + Entry * Disk->MFTRecSize,
142 Log_Debug("FS_NTFS", "MFT Entry #%i", Entry);
143 Log_Debug("FS_NTFS", "- Magic = 0x%08x (%4C)", hdr->Magic, &hdr->Magic);
144 Log_Debug("FS_NTFS", "- UpdateSequenceOfs = 0x%x", hdr->UpdateSequenceOfs);
145 Log_Debug("FS_NTFS", "- UpdateSequenceSize = 0x%x", hdr->UpdateSequenceSize);
146 Log_Debug("FS_NTFS", "- LSN = 0x%x", hdr->LSN);
147 Log_Debug("FS_NTFS", "- SequenceNumber = %i", hdr->SequenceNumber);
148 Log_Debug("FS_NTFS", "- HardLinkCount = %i", hdr->HardLinkCount);
149 Log_Debug("FS_NTFS", "- FirstAttribOfs = 0x%x", hdr->FirstAttribOfs);
150 Log_Debug("FS_NTFS", "- Flags = 0x%x", hdr->Flags);
151 Log_Debug("FS_NTFS", "- RecordSize = 0x%x", hdr->RecordSize);
152 Log_Debug("FS_NTFS", "- RecordSpace = 0x%x", hdr->RecordSpace);
153 Log_Debug("FS_NTFS", "- Reference = 0x%llx", hdr->Reference);
154 Log_Debug("FS_NTFS", "- NextAttribID = 0x%04x", hdr->NextAttribID);
156 attr = (void*)( (char*)hdr + hdr->FirstAttribOfs );
158 while( (tVAddr)attr < (tVAddr)hdr + hdr->RecordSize )
160 if(attr->Type == 0xFFFFFFFF) break;
161 Log_Debug("FS_NTFS", "- Attribute %i", i ++);
162 Log_Debug("FS_NTFS", " > Type = 0x%x", attr->Type);
163 Log_Debug("FS_NTFS", " > Size = 0x%x", attr->Size);
164 Log_Debug("FS_NTFS", " > ResidentFlag = 0x%x", attr->ResidentFlag);
165 Log_Debug("FS_NTFS", " > NameLength = %i", attr->NameLength);
166 Log_Debug("FS_NTFS", " > NameOffset = 0x%x", attr->NameOffset);
167 Log_Debug("FS_NTFS", " > Flags = 0x%x", attr->Flags);
168 Log_Debug("FS_NTFS", " > AttributeID = 0x%x", attr->AttributeID);
169 if( !attr->ResidentFlag ) {
170 Log_Debug("FS_NTFS", " > AttribLen = 0x%x", attr->Resident.AttribLen);
171 Log_Debug("FS_NTFS", " > AttribOfs = 0x%x", attr->Resident.AttribOfs);
172 Log_Debug("FS_NTFS", " > IndexedFlag = 0x%x", attr->Resident.IndexedFlag);
173 Log_Debug("FS_NTFS", " > Name = '%*C'", attr->NameLength, attr->Resident.Name);
174 Debug_HexDump("FS_NTFS",
175 (void*)( (tVAddr)attr + attr->Resident.AttribOfs ),
176 attr->Resident.AttribLen
180 Log_Debug("FS_NTFS", " > StartingVCN = 0x%llx", attr->NonResident.StartingVCN);
181 Log_Debug("FS_NTFS", " > LastVCN = 0x%llx", attr->NonResident.LastVCN);
182 Log_Debug("FS_NTFS", " > DataRunOfs = 0x%x", attr->NonResident.DataRunOfs);
183 Log_Debug("FS_NTFS", " > CompressionUnitSize = 0x%x", attr->NonResident.CompressionUnitSize);
184 Log_Debug("FS_NTFS", " > AllocatedSize = 0x%llx", attr->NonResident.AllocatedSize);
185 Log_Debug("FS_NTFS", " > RealSize = 0x%llx", attr->NonResident.RealSize);
186 Log_Debug("FS_NTFS", " > InitiatedSize = 0x%llx", attr->NonResident.InitiatedSize);
187 Log_Debug("FS_NTFS", " > Name = '%*C'", attr->NameLength, attr->NonResident.Name);
190 attr = (void*)( (tVAddr)attr + attr->Size );