476 lines
14 KiB
C++
476 lines
14 KiB
C++
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#include "ulib.hxx"
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#include "drive.hxx"
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#include "ifssys.hxx"
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#include "ntfssa.hxx"
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#include "frs.hxx"
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#include "attrib.hxx"
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#include "mftfile.hxx"
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#include "bitfrs.hxx"
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#include "ntfsbit.hxx"
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#include "upfile.hxx"
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#include "upcase.hxx"
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#include "rfatsa.hxx"
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#include "rcache.hxx"
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#include "hmem.hxx"
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#include "recordpg.hxx"
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#include "crack.hxx"
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#include "diskedit.h"
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extern "C" {
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#include <stdio.h>
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}
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extern PLOG_IO_DP_DRIVE Drive;
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TCHAR Path[MAX_PATH];
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VOID
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CrackNtfsPath(
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IN HWND WindowHandle
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)
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{
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DSTRING path;
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NTFS_SA ntfssa;
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MESSAGE msg;
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NTFS_MFT_FILE mft;
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NTFS_BITMAP_FILE bitmap_file;
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NTFS_ATTRIBUTE bitmap_attribute;
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NTFS_BITMAP volume_bitmap;
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NTFS_UPCASE_FILE upcase_file;
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NTFS_ATTRIBUTE upcase_attribute;
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NTFS_UPCASE_TABLE upcase_table;
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NTFS_FILE_RECORD_SEGMENT file_record;
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BOOLEAN error;
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BOOLEAN system_file;
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ULONG file_number;
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TCHAR buf[100];
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if (!path.Initialize(Path)) {
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wsprintf(buf, TEXT("Out of memory"));
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MessageBox(WindowHandle, buf, TEXT("DiskEdit"), MB_OK|MB_ICONEXCLAMATION);
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return;
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}
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if (!Drive ||
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!ntfssa.Initialize(Drive, &msg) ||
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!ntfssa.Read() ||
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!mft.Initialize(Drive, ntfssa.QueryMftStartingLcn(),
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ntfssa.QueryClusterFactor(),
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ntfssa.QueryFrsSize(),
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ntfssa.QueryVolumeSectors(), NULL, NULL) ||
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!mft.Read() ||
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!bitmap_file.Initialize(mft.GetMasterFileTable()) ||
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!bitmap_file.Read() ||
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!bitmap_file.QueryAttribute(&bitmap_attribute, &error, $DATA) ||
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!volume_bitmap.Initialize(ntfssa.QueryVolumeSectors() /
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(ULONG) ntfssa.QueryClusterFactor(), FALSE, NULL, 0) ||
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!volume_bitmap.Read(&bitmap_attribute) ||
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!upcase_file.Initialize(mft.GetMasterFileTable()) ||
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!upcase_file.Read() ||
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!upcase_file.QueryAttribute(&upcase_attribute, &error, $DATA) ||
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!upcase_table.Initialize(&upcase_attribute) ||
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!mft.Initialize(Drive, ntfssa.QueryMftStartingLcn(),
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ntfssa.QueryClusterFactor(),
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ntfssa.QueryFrsSize(),
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ntfssa.QueryVolumeSectors(),
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&volume_bitmap,
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&upcase_table) ||
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!mft.Read()) {
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swprintf(buf, TEXT("Could not init NTFS data structures"));
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MessageBox(WindowHandle, buf, TEXT("DiskEdit"), MB_OK|MB_ICONEXCLAMATION);
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return;
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}
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if (!ntfssa.QueryFrsFromPath(&path, mft.GetMasterFileTable(),
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&volume_bitmap, &file_record, &system_file, &error)) {
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wsprintf(buf, TEXT("File not found."));
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MessageBox(WindowHandle, buf, TEXT("DiskEdit"), MB_OK|MB_ICONINFORMATION);
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return;
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}
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file_number = file_record.QueryFileNumber().GetLowPart();
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wsprintf(buf, TEXT("The given path points to file record 0x%X"), file_number);
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MessageBox(WindowHandle, buf, TEXT("Path Image"), MB_OK);
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}
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BOOLEAN
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BacktrackFrs(
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IN VCN FileNumber,
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IN OUT PNTFS_MASTER_FILE_TABLE Mft,
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OUT PWCHAR PathBuffer,
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IN ULONG BufferLength,
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OUT PULONG PathLength
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)
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/*++
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Routine Description:
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This function finds a path from the root to a given FRS.
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Arguments:
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FileNumber -- Supplies the file number of the target FRS.
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Mft -- Supplies the volume's Master File Table.
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PathBuffer -- Receives a path to the FRS.
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BufferLength -- Supplies the length (in characters) of
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the client's buffer.
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PathLength -- Receives the length (in characters) of
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the path.
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Return Value:
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TRUE upon successful completion. The returned path may
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not be NULL-terminated.
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--*/
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{
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NTFS_FILE_RECORD_SEGMENT CurrentFrs;
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NTFS_ATTRIBUTE FileNameAttribute;
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VCN ParentFileNumber;
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PCFILE_NAME FileName;
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ULONG i;
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BOOLEAN Error;
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if( FileNumber == ROOT_FILE_NAME_INDEX_NUMBER ) {
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// This is the root; return a NULL path.
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//
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*PathLength = 0;
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return TRUE;
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}
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// Initialize the FRS and extract a name (any name will do).
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//
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if( !CurrentFrs.Initialize( FileNumber, Mft ) ||
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!CurrentFrs.Read() ||
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!CurrentFrs.QueryAttribute( &FileNameAttribute, &Error, $FILE_NAME ) ||
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!FileNameAttribute.IsResident() ) {
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return FALSE;
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}
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FileName = (PCFILE_NAME)FileNameAttribute.GetResidentValue();
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ParentFileNumber.Set( FileName->ParentDirectory.LowPart,
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(LONG)FileName->ParentDirectory.HighPart );
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// Now recurse into this file's parent.
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//
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if( !BacktrackFrs( ParentFileNumber,
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Mft,
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PathBuffer,
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BufferLength,
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PathLength ) ) {
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return FALSE;
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}
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// Add this file's name to the path.
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//
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if( *PathLength + FileName->FileNameLength + 1 > BufferLength ) {
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// Buffer is too small.
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//
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return FALSE;
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}
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PathBuffer[*PathLength] = '\\';
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for( i = 0; i < FileName->FileNameLength; i++ ) {
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PathBuffer[*PathLength+1+i] = FileName->FileName[i];
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}
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*PathLength += 1 + FileName->FileNameLength;
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return TRUE;
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}
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BOOLEAN
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BacktrackFrsFromScratch(
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IN HWND WindowHandle,
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IN VCN FileNumber
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)
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/*++
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Routine Description:
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This function finds a path from the root to a given
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FRS; it sets up the MFT and its helper objects as
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needed.
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Arguments:
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WindowHandle -- Supplies a handle to the parent window.
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FileNumber -- Supplies the file number of the target FRS.
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Return Value:
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TRUE upon successful completion. The returned path may
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not be NULL-terminated.
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--*/
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{
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WCHAR WPath[MAX_PATH];
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NTFS_SA ntfssa;
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MESSAGE msg;
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NTFS_MFT_FILE mft;
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NTFS_BITMAP_FILE bitmap_file;
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NTFS_ATTRIBUTE bitmap_attribute;
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NTFS_BITMAP volume_bitmap;
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NTFS_UPCASE_FILE upcase_file;
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NTFS_ATTRIBUTE upcase_attribute;
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NTFS_UPCASE_TABLE upcase_table;
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BOOLEAN error;
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ULONG BufferLength, PathLength, i;
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BufferLength = sizeof(WPath);
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if (!Drive ||
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!ntfssa.Initialize(Drive, &msg) ||
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!ntfssa.Read() ||
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!mft.Initialize(Drive, ntfssa.QueryMftStartingLcn(),
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ntfssa.QueryClusterFactor(),
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ntfssa.QueryFrsSize(),
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ntfssa.QueryVolumeSectors(), NULL, NULL) ||
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!mft.Read() ||
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!bitmap_file.Initialize(mft.GetMasterFileTable()) ||
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!bitmap_file.Read() ||
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!bitmap_file.QueryAttribute(&bitmap_attribute, &error, $DATA) ||
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!volume_bitmap.Initialize(Drive->QuerySectors()/
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(ULONG) ntfssa.QueryClusterFactor(), FALSE, NULL, 0) ||
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!volume_bitmap.Read(&bitmap_attribute) ||
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!upcase_file.Initialize(mft.GetMasterFileTable()) ||
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!upcase_file.Read() ||
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!upcase_file.QueryAttribute(&upcase_attribute, &error, $DATA) ||
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!upcase_table.Initialize(&upcase_attribute) ||
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!mft.Initialize(Drive, ntfssa.QueryMftStartingLcn(),
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ntfssa.QueryClusterFactor(),
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ntfssa.QueryFrsSize(),
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ntfssa.QueryVolumeSectors(),
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&volume_bitmap,
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&upcase_table) ||
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!mft.Read() ||
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!bitmap_file.Initialize(mft.GetMasterFileTable()) ||
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!bitmap_file.Read() ||
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!bitmap_file.QueryAttribute(&bitmap_attribute, &error, $DATA) ||
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!volume_bitmap.Initialize(Drive->QuerySectors()/
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(ULONG) ntfssa.QueryClusterFactor(), FALSE, NULL, 0) ||
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!volume_bitmap.Read(&bitmap_attribute) ||
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!upcase_file.Initialize(mft.GetMasterFileTable()) ||
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!upcase_file.Read() ||
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!upcase_file.QueryAttribute(&upcase_attribute, &error, $DATA) ||
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!upcase_table.Initialize(&upcase_attribute) ||
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!BacktrackFrs( FileNumber, mft.GetMasterFileTable(), WPath,
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BufferLength, &PathLength ) ) {
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return FALSE;
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}
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MessageBox(WindowHandle, WPath, TEXT("Path Image"), MB_OK);
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return TRUE;
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}
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VOID
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CrackFatPath(
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IN HWND WindowHandle
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)
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{
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DSTRING path;
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REAL_FAT_SA fatsa;
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MESSAGE msg;
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ULONG cluster_number;
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TCHAR buf[100];
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if (!path.Initialize(Path) ||
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!Drive ||
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!fatsa.Initialize(Drive, &msg) ||
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!fatsa.FAT_SA::Read()) {
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return;
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}
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cluster_number = fatsa.QueryFileStartingCluster(&path);
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wsprintf(buf, TEXT("The given path points to cluster 0x%X"), cluster_number);
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MessageBox(WindowHandle, buf, TEXT("Path Image"), MB_OK);
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}
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VOID
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CrackLsn(
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IN HWND WindowHandle
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)
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{
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extern LSN Lsn;
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TCHAR buf[100];
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LONGLONG FileOffset;
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(void)GetLogPageSize(Drive);
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LfsTruncateLsnToLogPage(Drive, Lsn, &FileOffset);
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wsprintf(buf, TEXT("page at %x, offset %x, seq %x"), (ULONG)FileOffset,
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LfsLsnToPageOffset(Drive, Lsn) , LfsLsnToSeqNumber(Drive, Lsn));
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MessageBox(WindowHandle, buf, TEXT("LSN"), MB_OK);
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}
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//
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// CrackNextLsn -- given an LSN in the Lsn variable, find the
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// LSN following that one in the log file. This involves
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// reading the log record for the given lsn to find it's
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// size, and figuring the page and offset of the following
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// lsn from that.
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//
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BOOLEAN
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CrackNextLsn(
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IN HWND WindowHandle
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)
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{
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extern LSN Lsn;
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TCHAR buf[100];
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NTFS_SA ntfssa;
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NTFS_MFT_FILE mft;
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ULONG PageOffset;
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LONGLONG FileOffset;
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MESSAGE msg;
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BOOLEAN error;
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NTFS_FILE_RECORD_SEGMENT frs;
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NTFS_ATTRIBUTE attrib;
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LFS_RECORD_HEADER RecordHeader;
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ULONG bytes_read;
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ULONG RecordLength;
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ULONG PageSize;
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ULONGLONG NextLsn;
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ULONG SeqNumber;
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if (0 == (PageSize = GetLogPageSize(Drive))) {
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return FALSE;
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}
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if (!Drive)
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return FALSE;
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if (!ntfssa.Initialize(Drive, &msg))
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return FALSE;
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if (!ntfssa.Read())
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return FALSE;
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if (!mft.Initialize(Drive, ntfssa.QueryMftStartingLcn(),
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ntfssa.QueryClusterFactor(), ntfssa.QueryFrsSize(),
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ntfssa.QueryVolumeSectors(), NULL, NULL))
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return FALSE;
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if (!mft.Read())
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return FALSE;
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if (!frs.Initialize((VCN)LOG_FILE_NUMBER, &mft))
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return FALSE;
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if (!frs.Read())
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return FALSE;
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if (!frs.QueryAttribute(&attrib, &error, $DATA, NULL)) {
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return FALSE;
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}
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LfsTruncateLsnToLogPage(Drive, Lsn, &FileOffset);
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PageOffset = LfsLsnToPageOffset(Drive, Lsn);
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SeqNumber = (ULONG)LfsLsnToSeqNumber(Drive, Lsn);
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|
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if (!attrib.Read((PVOID)&RecordHeader, ULONG(PageOffset | FileOffset),
|
||
|
|
LFS_RECORD_HEADER_SIZE, &bytes_read))
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
if (bytes_read != LFS_RECORD_HEADER_SIZE) {
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
RecordLength = LFS_RECORD_HEADER_SIZE + RecordHeader.ClientDataLength;
|
||
|
|
|
||
|
|
if (PageOffset + RecordLength < PageSize &&
|
||
|
|
PageSize - (PageOffset + RecordLength) >= LFS_RECORD_HEADER_SIZE) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// the current record ends on this page, and the next record begins
|
||
|
|
// immediately after
|
||
|
|
//
|
||
|
|
|
||
|
|
PageOffset += RecordLength;
|
||
|
|
|
||
|
|
} else if (PageSize - (PageOffset+RecordLength) < LFS_RECORD_HEADER_SIZE) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// The next record header will not fit on this page... it
|
||
|
|
// will begin on the next page immediately following the page
|
||
|
|
// header
|
||
|
|
//
|
||
|
|
|
||
|
|
FileOffset += PageSize;
|
||
|
|
PageOffset = LFS_PACKED_RECORD_PAGE_HEADER_SIZE;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
//
|
||
|
|
// the next log record starts on a following page
|
||
|
|
//
|
||
|
|
|
||
|
|
ULONG left;
|
||
|
|
ULONG page_capacity;
|
||
|
|
|
||
|
|
left = PageSize - (PageOffset + RecordLength);
|
||
|
|
page_capacity = PageSize - LFS_PACKED_RECORD_PAGE_HEADER_SIZE;
|
||
|
|
PageOffset += (left / page_capacity + 1) * PageSize;
|
||
|
|
FileOffset = left % page_capacity + LFS_PACKED_RECORD_PAGE_HEADER_SIZE;
|
||
|
|
}
|
||
|
|
|
||
|
|
// create lsn from FileOffset + PageOffset
|
||
|
|
|
||
|
|
NextLsn = LfsFileOffsetToLsn(Drive, FileOffset | PageOffset, SeqNumber);
|
||
|
|
|
||
|
|
wsprintf(buf, TEXT("Next LSN %x:%x, at %x + %x"), ((PLSN)&NextLsn)->HighPart,
|
||
|
|
((PLSN)&NextLsn)->LowPart, (ULONG)FileOffset, (ULONG)PageOffset);
|
||
|
|
MessageBox(WindowHandle, buf, TEXT("LSN"), MB_OK);
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
struct {
|
||
|
|
ULONG Code;
|
||
|
|
PTCHAR Name;
|
||
|
|
} TypeCodeNameTab[] = {
|
||
|
|
{ $UNUSED, TEXT("$UNUSED") },
|
||
|
|
{ $STANDARD_INFORMATION, TEXT("$STANDARD_INFORMATION") },
|
||
|
|
{ $ATTRIBUTE_LIST, TEXT("$ATTRIBUTE_LIST") },
|
||
|
|
{ $FILE_NAME, TEXT("$FILE_NAME") },
|
||
|
|
{ $OBJECT_ID, TEXT("$OBJECT_ID") },
|
||
|
|
{ $SECURITY_DESCRIPTOR, TEXT("$SECURITY_DESCRIPTOR") },
|
||
|
|
{ $VOLUME_NAME, TEXT("$VOLUME_NAME") },
|
||
|
|
{ $VOLUME_INFORMATION, TEXT("$VOLUME_INFORMATION") },
|
||
|
|
{ $DATA, TEXT("$DATA") },
|
||
|
|
{ $INDEX_ROOT, TEXT("$INDEX_ROOT") },
|
||
|
|
{ $INDEX_ALLOCATION, TEXT("$INDEX_ALLOCATION") },
|
||
|
|
{ $BITMAP, TEXT("$BITMAP") },
|
||
|
|
{ $SYMBOLIC_LINK, TEXT("$SYMBOLIC_LINK") },
|
||
|
|
{ $EA_INFORMATION, TEXT("$EA_INFORMATION") },
|
||
|
|
{ $EA_DATA, TEXT("$EA_DATA") },
|
||
|
|
{ $END, TEXT("$END") }
|
||
|
|
};
|
||
|
|
|
||
|
|
PTCHAR
|
||
|
|
GetNtfsAttributeTypeCodeName(
|
||
|
|
IN ULONG Code
|
||
|
|
)
|
||
|
|
{
|
||
|
|
for (INT i = 0; $END != TypeCodeNameTab[i].Code; ++i) {
|
||
|
|
if (Code == TypeCodeNameTab[i].Code) {
|
||
|
|
return TypeCodeNameTab[i].Name;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return NULL;
|
||
|
|
}
|