/*
* Acess2 - NTFS Driver
* By John Hodge (thePowersGang)
- * This file is published under the terms of the Acess licence. See the
- * file COPYING for details.
*
* main.c - Driver core
*/
#define DEBUG 1
#define VERBOSE 0
+#include <acess.h>
+#include <vfs.h>
#include "common.h"
#include <modules.h>
+// === IMPORTS ===
+extern char *NTFS_ReadDir(tVFS_Node *Node, int Pos);
+extern tVFS_Node *NTFS_FindDir(tVFS_Node *Node, const char *Name);
+
// === PROTOTYPES ===
int NTFS_Install(char **Arguments);
-tVFS_Node *NTFS_InitDevice(char *Devices, char **Options);
+tVFS_Node *NTFS_InitDevice(const char *Devices, const char **Options);
void NTFS_Unmount(tVFS_Node *Node);
+void NTFS_DumpEntry(tNTFS_Disk *Disk, Uint32 Entry);
// === GLOBALS ===
MODULE_DEFINE(0, 0x0A /*v0.1*/, FS_NTFS, NTFS_Install, NULL);
tVFS_Driver gNTFS_FSInfo = {"ntfs", 0, NTFS_InitDevice, NTFS_Unmount, NULL};
+tVFS_NodeType gNTFS_DirType = {
+ .TypeName = "NTFS-File",
+ .ReadDir = NTFS_ReadDir,
+ .FindDir = NTFS_FindDir,
+ .Close = NULL
+ };
tNTFS_Disk gNTFS_Disks;
int NTFS_Install(char **Arguments)
{
VFS_AddDriver( &gNTFS_FSInfo );
- return 1;
+ return 0;
}
/**
* \brief Mount a NTFS volume
*/
-tVFS_Node *NTFS_InitDevice(char *Device, char **Options)
+tVFS_Node *NTFS_InitDevice(const char *Device, const char **Options)
{
- char *path, *host;
tNTFS_Disk *disk;
+ tNTFS_BootSector bs;
disk = malloc( sizeof(tNTFS_Disk) );
+ disk->FD = VFS_Open(Device, VFS_OPENFLAG_READ);
+ if(!disk->FD) {
+ free(disk);
+ return NULL;
+ }
+
+ Log_Debug("FS_NTFS", "&bs = %p", &bs);
+ VFS_ReadAt(disk->FD, 0, 512, &bs);
+
+ Log_Debug("FS_NTFS", "Jump = %02x%02x%02x",
+ bs.Jump[0],
+ bs.Jump[1],
+ bs.Jump[2]);
+ Log_Debug("FS_NTFS", "SystemID = %02x%02x%02x%02x%02x%02x%02x%02x (%8C)",
+ bs.SystemID[0], bs.SystemID[1], bs.SystemID[2], bs.SystemID[3],
+ bs.SystemID[4], bs.SystemID[5], bs.SystemID[6], bs.SystemID[7],
+ bs.SystemID
+ );
+ Log_Debug("FS_NTFS", "BytesPerSector = %i", bs.BytesPerSector);
+ Log_Debug("FS_NTFS", "SectorsPerCluster = %i", bs.SectorsPerCluster);
+ Log_Debug("FS_NTFS", "MediaDescriptor = 0x%x", bs.MediaDescriptor);
+ Log_Debug("FS_NTFS", "SectorsPerTrack = %i", bs.SectorsPerTrack);
+ Log_Debug("FS_NTFS", "Heads = %i", bs.Heads);
+ Log_Debug("FS_NTFS", "TotalSectorCount = 0x%llx", bs.TotalSectorCount);
+ Log_Debug("FS_NTFS", "MFTStart = 0x%llx", bs.MFTStart);
+ Log_Debug("FS_NTFS", "MFTMirrorStart = 0x%llx", bs.MFTMirrorStart);
+ Log_Debug("FS_NTFS", "ClustersPerMFTRecord = %i", bs.ClustersPerMFTRecord);
+ Log_Debug("FS_NTFS", "ClustersPerIndexRecord = %i", bs.ClustersPerIndexRecord);
+ Log_Debug("FS_NTFS", "SerialNumber = 0x%llx", bs.SerialNumber);
+
+ disk->ClusterSize = bs.BytesPerSector * bs.SectorsPerCluster;
+ Log_Debug("NTFS", "Cluster Size = %i KiB", disk->ClusterSize/1024);
+ disk->MFTBase = bs.MFTStart;
+ Log_Debug("NTFS", "MFT Base = %i", disk->MFTBase);
+ Log_Debug("NTFS", "TotalSectorCount = 0x%x", bs.TotalSectorCount);
+
+ if( bs.ClustersPerMFTRecord < 0 ) {
+ disk->MFTRecSize = 1 << (-bs.ClustersPerMFTRecord);
+ }
+ else {
+ disk->MFTRecSize = bs.ClustersPerMFTRecord * disk->ClusterSize;
+ }
+
+ disk->RootNode.Inode = 5; // MFT Ent #5 is filesystem root
+ disk->RootNode.ImplPtr = disk;
+
+ disk->RootNode.UID = 0;
+ disk->RootNode.GID = 0;
+
+ disk->RootNode.NumACLs = 1;
+ disk->RootNode.ACLs = &gVFS_ACL_EveryoneRX;
+
+ disk->RootNode.Type = &gNTFS_DirType;
+
+
+ NTFS_DumpEntry(disk, 5);
+
return &disk->RootNode;
}
{
}
+
+/**
+ * \brief Dumps a MFT Entry
+ */
+void NTFS_DumpEntry(tNTFS_Disk *Disk, Uint32 Entry)
+{
+ void *buf = malloc( Disk->MFTRecSize );
+ tNTFS_FILE_Header *hdr = buf;
+ tNTFS_FILE_Attrib *attr;
+ int i;
+
+ if(!buf) {
+ Log_Warning("FS_NTFS", "malloc() fail!");
+ return ;
+ }
+
+ VFS_ReadAt( Disk->FD,
+ Disk->MFTBase * Disk->ClusterSize + Entry * Disk->MFTRecSize,
+ Disk->MFTRecSize,
+ buf);
+
+ Log_Debug("FS_NTFS", "MFT Entry #%i", Entry);
+ Log_Debug("FS_NTFS", "- Magic = 0x%08x (%4C)", hdr->Magic, &hdr->Magic);
+ Log_Debug("FS_NTFS", "- UpdateSequenceOfs = 0x%x", hdr->UpdateSequenceOfs);
+ Log_Debug("FS_NTFS", "- UpdateSequenceSize = 0x%x", hdr->UpdateSequenceSize);
+ Log_Debug("FS_NTFS", "- LSN = 0x%x", hdr->LSN);
+ Log_Debug("FS_NTFS", "- SequenceNumber = %i", hdr->SequenceNumber);
+ Log_Debug("FS_NTFS", "- HardLinkCount = %i", hdr->HardLinkCount);
+ Log_Debug("FS_NTFS", "- FirstAttribOfs = 0x%x", hdr->FirstAttribOfs);
+ Log_Debug("FS_NTFS", "- Flags = 0x%x", hdr->Flags);
+ Log_Debug("FS_NTFS", "- RecordSize = 0x%x", hdr->RecordSize);
+ Log_Debug("FS_NTFS", "- RecordSpace = 0x%x", hdr->RecordSpace);
+ Log_Debug("FS_NTFS", "- Reference = 0x%llx", hdr->Reference);
+ Log_Debug("FS_NTFS", "- NextAttribID = 0x%04x", hdr->NextAttribID);
+
+ attr = (void*)( (char*)hdr + hdr->FirstAttribOfs );
+ i = 0;
+ while( (tVAddr)attr < (tVAddr)hdr + hdr->RecordSize )
+ {
+ if(attr->Type == 0xFFFFFFFF) break;
+ Log_Debug("FS_NTFS", "- Attribute %i", i ++);
+ Log_Debug("FS_NTFS", " > Type = 0x%x", attr->Type);
+ Log_Debug("FS_NTFS", " > Size = 0x%x", attr->Size);
+ Log_Debug("FS_NTFS", " > ResidentFlag = 0x%x", attr->ResidentFlag);
+ Log_Debug("FS_NTFS", " > NameLength = %i", attr->NameLength);
+ Log_Debug("FS_NTFS", " > NameOffset = 0x%x", attr->NameOffset);
+ Log_Debug("FS_NTFS", " > Flags = 0x%x", attr->Flags);
+ Log_Debug("FS_NTFS", " > AttributeID = 0x%x", attr->AttributeID);
+ if( !attr->ResidentFlag ) {
+ Log_Debug("FS_NTFS", " > AttribLen = 0x%x", attr->Resident.AttribLen);
+ Log_Debug("FS_NTFS", " > AttribOfs = 0x%x", attr->Resident.AttribOfs);
+ Log_Debug("FS_NTFS", " > IndexedFlag = 0x%x", attr->Resident.IndexedFlag);
+ Log_Debug("FS_NTFS", " > Name = '%*C'", attr->NameLength, attr->Resident.Name);
+ Debug_HexDump("FS_NTFS",
+ (void*)( (tVAddr)attr + attr->Resident.AttribOfs ),
+ attr->Resident.AttribLen
+ );
+ }
+ else {
+ Log_Debug("FS_NTFS", " > StartingVCN = 0x%llx", attr->NonResident.StartingVCN);
+ Log_Debug("FS_NTFS", " > LastVCN = 0x%llx", attr->NonResident.LastVCN);
+ Log_Debug("FS_NTFS", " > DataRunOfs = 0x%x", attr->NonResident.DataRunOfs);
+ Log_Debug("FS_NTFS", " > CompressionUnitSize = 0x%x", attr->NonResident.CompressionUnitSize);
+ Log_Debug("FS_NTFS", " > AllocatedSize = 0x%llx", attr->NonResident.AllocatedSize);
+ Log_Debug("FS_NTFS", " > RealSize = 0x%llx", attr->NonResident.RealSize);
+ Log_Debug("FS_NTFS", " > InitiatedSize = 0x%llx", attr->NonResident.InitiatedSize);
+ Log_Debug("FS_NTFS", " > Name = '%*C'", attr->NameLength, attr->NonResident.Name);
+ }
+
+ attr = (void*)( (tVAddr)attr + attr->Size );
+ }
+
+ free(buf);
+}
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