/*
* ReactOS kernel
- * Copyright (C) 2002 ReactOS Team
+ * Copyright (C) 2002, 2014 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* PROJECT: ReactOS kernel
* FILE: drivers/filesystem/ntfs/mft.c
* PURPOSE: NTFS filesystem driver
- * PROGRAMMER: Eric Kohl
- * Updated by Valentin Verkhovsky 2003/09/12
+ * PROGRAMMERS: Eric Kohl
+ * Valentin Verkhovsky
+ * Pierre Schweitzer (pierre@reactos.org)
+ * Hervé Poussineau (hpoussin@reactos.org)
*/
/* INCLUDES *****************************************************************/
PCWSTR Name,
ULONG NameLength)
{
- DPRINT1("FindAttributeHelper(%p, %p, %p, 0x%x, %S, %u)\n", Vcb, AttrRecord, AttrRecordEnd, Type, Name, NameLength);
+ DPRINT("FindAttributeHelper(%p, %p, %p, 0x%x, %S, %u)\n", Vcb, AttrRecord, AttrRecordEnd, Type, Name, NameLength);
while (AttrRecord < AttrRecordEnd)
{
PNTFS_ATTR_RECORD ListAttrRecord;
PNTFS_ATTR_RECORD ListAttrRecordEnd;
- // Do not handle non-resident yet
- ASSERT(!(AttrRecord->IsNonResident & 1));
-
ListContext = PrepareAttributeContext(AttrRecord);
ListSize = AttributeDataLength(&ListContext->Record);
if (Context != NULL)
{
- DPRINT("Found context = %p\n", Context);
+ if (AttrRecord->IsNonResident) DPRINT("Found context = %p\n", Context);
return Context;
}
}
PWCHAR AttrName;
AttrName = (PWCHAR)((PCHAR)AttrRecord + AttrRecord->NameOffset);
- DPRINT("%s, %s\n", AttrName, Name);
+ DPRINT("%.*S, %.*S\n", AttrRecord->NameLength, AttrName, NameLength, Name);
if (RtlCompareMemory(AttrName, Name, NameLength << 1) == (NameLength << 1))
{
/* Found it, fill up the context and return. */
PNTFS_ATTR_RECORD AttrRecord;
PNTFS_ATTR_RECORD AttrRecordEnd;
- DPRINT1("NtfsFindAttribute(%p, %p, %u, %S, %u, %p)\n", Vcb, MftRecord, Type, Name, NameLength, AttrCtx);
+ DPRINT("FindAttribute(%p, %p, 0x%x, %S, %u, %p)\n", Vcb, MftRecord, Type, Name, NameLength, AttrCtx);
AttrRecord = (PNTFS_ATTR_RECORD)((PCHAR)MftRecord + MftRecord->AttributeOffset);
AttrRecordEnd = (PNTFS_ATTR_RECORD)((PCHAR)MftRecord + Vcb->NtfsInfo.BytesPerFileRecord);
Status = NtfsReadDisk(Vcb->StorageDevice,
DataRunStartLCN * Vcb->NtfsInfo.BytesPerCluster + Offset - CurrentOffset,
ReadLength,
+ Vcb->NtfsInfo.BytesPerSector,
(PVOID)Buffer,
FALSE);
if (NT_SUCCESS(Status))
Status = NtfsReadDisk(Vcb->StorageDevice,
DataRunStartLCN * Vcb->NtfsInfo.BytesPerCluster,
ReadLength,
+ Vcb->NtfsInfo.BytesPerSector,
(PVOID)Buffer,
FALSE);
if (!NT_SUCCESS(Status))
{
ULONGLONG BytesRead;
+ DPRINT("ReadFileRecord(%p, %I64x, %p)\n", Vcb, index, file);
+
BytesRead = ReadAttribute(Vcb, Vcb->MFTContext, index * Vcb->NtfsInfo.BytesPerFileRecord, (PCHAR)file, Vcb->NtfsInfo.BytesPerFileRecord);
if (BytesRead != Vcb->NtfsInfo.BytesPerFileRecord)
{
- DPRINT1("ReadFileRecord failed: %u read, %u expected\n", BytesRead, Vcb->NtfsInfo.BytesPerFileRecord);
+ DPRINT1("ReadFileRecord failed: %I64u read, %u expected\n", BytesRead, Vcb->NtfsInfo.BytesPerFileRecord);
return STATUS_PARTIAL_COPY;
}
PINDEX_ENTRY_ATTRIBUTE IndexEntry,
BOOLEAN DirSearch)
{
+ BOOLEAN Ret, Alloc = FALSE;
UNICODE_STRING EntryName;
EntryName.Buffer = IndexEntry->FileName.Name;
EntryName.Length =
- EntryName.MaximumLength = IndexEntry->FileName.NameLength;
+ EntryName.MaximumLength = IndexEntry->FileName.NameLength * sizeof(WCHAR);
if (DirSearch)
{
- return FsRtlIsNameInExpression(FileName, &EntryName, (IndexEntry->FileName.NameType != NTFS_FILE_NAME_POSIX), NULL);
+ UNICODE_STRING IntFileName;
+ if (IndexEntry->FileName.NameType != NTFS_FILE_NAME_POSIX)
+ {
+ NT_VERIFY(NT_SUCCESS(RtlUpcaseUnicodeString(&IntFileName, FileName, TRUE)));
+ Alloc = TRUE;
+ }
+ else
+ {
+ IntFileName = *FileName;
+ }
+
+ Ret = FsRtlIsNameInExpression(&IntFileName, &EntryName, (IndexEntry->FileName.NameType != NTFS_FILE_NAME_POSIX), NULL);
+
+ if (Alloc)
+ {
+ RtlFreeUnicodeString(&IntFileName);
+ }
+
+ return Ret;
}
else
{
- return (RtlCompareUnicodeString(FileName, &EntryName, (IndexEntry->FileName.NameType != NTFS_FILE_NAME_POSIX)) == TRUE);
+ return (RtlCompareUnicodeString(FileName, &EntryName, (IndexEntry->FileName.NameType != NTFS_FILE_NAME_POSIX)) == 0);
}
}
PUNICODE_STRING FileName,
PULONG FirstEntry,
BOOLEAN DirSearch,
- ULONGLONG *OutMFTIndex,
- PWSTR OutName)
+ ULONGLONG *OutMFTIndex)
{
PFILE_RECORD_HEADER MftRecord;
- //ULONG Magic;
PNTFS_ATTR_CONTEXT IndexRootCtx;
PNTFS_ATTR_CONTEXT IndexBitmapCtx;
PNTFS_ATTR_CONTEXT IndexAllocationCtx;
NTSTATUS Status;
ULONG CurrentEntry = 0;
- DPRINT1("NtfsFindMftRecord(%p, %I64d, %wZ, %p, %u, %p, %p)\n", Vcb, MFTIndex, FileName, FirstEntry, DirSearch, OutMFTIndex, OutName);
+ DPRINT("NtfsFindMftRecord(%p, %I64d, %wZ, %p, %u, %p)\n", Vcb, MFTIndex, FileName, FirstEntry, DirSearch, OutMFTIndex);
MftRecord = ExAllocatePoolWithTag(NonPagedPool,
Vcb->NtfsInfo.BytesPerFileRecord,
if (NT_SUCCESS(ReadFileRecord(Vcb, MFTIndex, MftRecord)))
{
- //Magic = MftRecord->Magic;
+ ASSERT(MftRecord->Ntfs.Type == NRH_FILE_TYPE);
Status = FindAttribute(Vcb, MftRecord, AttributeIndexRoot, L"$I30", 4, &IndexRootCtx);
if (!NT_SUCCESS(Status))
IndexRoot = (PINDEX_ROOT_ATTRIBUTE)IndexRecord;
IndexEntry = (PINDEX_ENTRY_ATTRIBUTE)((PCHAR)&IndexRoot->Header + IndexRoot->Header.FirstEntryOffset);
/* Index root is always resident. */
- IndexEntryEnd = (PINDEX_ENTRY_ATTRIBUTE)(IndexRecord + IndexRootCtx->Record.Resident.ValueLength);
+ IndexEntryEnd = (PINDEX_ENTRY_ATTRIBUTE)(IndexRecord + IndexRoot->Header.TotalSizeOfEntries);
ReleaseAttributeContext(IndexRootCtx);
DPRINT("IndexRecordSize: %x IndexBlockSize: %x\n", Vcb->NtfsInfo.BytesPerIndexRecord, IndexRoot->SizeOfEntry);
while (IndexEntry < IndexEntryEnd &&
!(IndexEntry->Flags & NTFS_INDEX_ENTRY_END))
{
- if (CurrentEntry >= *FirstEntry && CompareFileName(FileName, IndexEntry, DirSearch))
+ UNICODE_STRING EntryName;
+ EntryName.Buffer = IndexEntry->FileName.Name;
+ EntryName.Length =
+ EntryName.MaximumLength = IndexEntry->FileName.NameLength * sizeof(WCHAR);
+
+ if (IndexEntry->Flags & NTFS_INDEX_ENTRY_NODE)
+ DPRINT1("Warning: sub-node browsing unimplemented! (%wZ)\n", &EntryName);
+
+ if ((IndexEntry->Data.Directory.IndexedFile & NTFS_MFT_MASK) > 0x10 &&
+ CurrentEntry >= *FirstEntry &&
+ CompareFileName(FileName, IndexEntry, DirSearch))
{
- *OutMFTIndex = IndexEntry->Data.Directory.IndexedFile;
+ *OutMFTIndex = (IndexEntry->Data.Directory.IndexedFile & NTFS_MFT_MASK);
*FirstEntry = CurrentEntry;
- RtlCopyMemory(OutName, IndexEntry->FileName.Name, IndexEntry->FileName.NameLength);
- OutName[IndexEntry->FileName.NameLength / sizeof(WCHAR)] = UNICODE_NULL;
ExFreePoolWithTag(IndexRecord, TAG_NTFS);
ExFreePoolWithTag(MftRecord, TAG_NTFS);
return STATUS_SUCCESS;
}
IndexBuffer = (PINDEX_BUFFER)IndexRecord;
- ASSERT(IndexBuffer->Ntfs.Type == 'XDNI');
+ ASSERT(IndexBuffer->Ntfs.Type == NRH_INDX_TYPE);
ASSERT(IndexBuffer->Header.AllocatedSize + 0x18 == IndexBlockSize);
- IndexEntry = (PINDEX_ENTRY_ATTRIBUTE)(&IndexBuffer->Header + IndexBuffer->Header.FirstEntryOffset);
- IndexEntryEnd = (PINDEX_ENTRY_ATTRIBUTE)(&IndexBuffer->Header + IndexBuffer->Header.TotalSizeOfEntries);
- //ASSERT(IndexEntryEnd <= (PINDEX_ENTRY_ATTRIBUTE)((ULONG_PTR)IndexBuffer + IndexBlockSize)); FIXME: Why doesn't it work?
+ IndexEntry = (PINDEX_ENTRY_ATTRIBUTE)((ULONG_PTR)&IndexBuffer->Header + IndexBuffer->Header.FirstEntryOffset);
+ IndexEntryEnd = (PINDEX_ENTRY_ATTRIBUTE)((ULONG_PTR)&IndexBuffer->Header + IndexBuffer->Header.TotalSizeOfEntries);
+ ASSERT(IndexEntryEnd <= (PINDEX_ENTRY_ATTRIBUTE)((ULONG_PTR)IndexBuffer + IndexBlockSize));
while (IndexEntry < IndexEntryEnd &&
!(IndexEntry->Flags & NTFS_INDEX_ENTRY_END))
{
- if (CurrentEntry >= *FirstEntry && CompareFileName(FileName, IndexEntry, DirSearch))
+ UNICODE_STRING EntryName;
+ EntryName.Buffer = IndexEntry->FileName.Name;
+ EntryName.Length =
+ EntryName.MaximumLength = IndexEntry->FileName.NameLength * sizeof(WCHAR);
+
+ if (IndexEntry->Flags & NTFS_INDEX_ENTRY_NODE)
+ DPRINT1("Warning: sub-node browsing unimplemented! (%wZ)\n", &EntryName);
+
+ if ((IndexEntry->Data.Directory.IndexedFile & NTFS_MFT_MASK) > 0x10 &&
+ CurrentEntry >= *FirstEntry &&
+ CompareFileName(FileName, IndexEntry, DirSearch))
{
DPRINT("File found\n");
- *OutMFTIndex = IndexEntry->Data.Directory.IndexedFile;
+ *OutMFTIndex = (IndexEntry->Data.Directory.IndexedFile & NTFS_MFT_MASK);
*FirstEntry = CurrentEntry;
- RtlCopyMemory(OutName, IndexEntry->FileName.Name, IndexEntry->FileName.NameLength);
- OutName[IndexEntry->FileName.NameLength / sizeof(WCHAR)] = UNICODE_NULL;
ExFreePoolWithTag(BitmapData, TAG_NTFS);
ExFreePoolWithTag(IndexRecord, TAG_NTFS);
ExFreePoolWithTag(MftRecord, TAG_NTFS);
}
++CurrentEntry;
+ ASSERT(IndexEntry->Length >= sizeof(INDEX_ENTRY_ATTRIBUTE));
IndexEntry = (PINDEX_ENTRY_ATTRIBUTE)((PCHAR)IndexEntry + IndexEntry->Length);
}
{
UNICODE_STRING Current, Remaining;
NTSTATUS Status;
- WCHAR FoundName[MAX_PATH + 1];
- ULONG FirstEntry = 0, Length;
+ ULONG FirstEntry = 0;
- DPRINT1("NtfsLookupFileAt(%p, %wZ, %p, %p, %I64x)\n", Vcb, PathName, FileRecord, DataContext, CurrentMFTIndex);
+ DPRINT("NtfsLookupFileAt(%p, %wZ, %p, %p, %I64x)\n", Vcb, PathName, FileRecord, DataContext, CurrentMFTIndex);
FsRtlDissectName(*PathName, &Current, &Remaining);
while (Current.Length != 0)
{
- DPRINT1("Lookup: %wZ\n", &Current);
+ DPRINT("Current: %wZ\n", &Current);
- Status = NtfsFindMftRecord(Vcb, CurrentMFTIndex, &Current, &FirstEntry, FALSE, &CurrentMFTIndex, FoundName);
+ Status = NtfsFindMftRecord(Vcb, CurrentMFTIndex, &Current, &FirstEntry, FALSE, &CurrentMFTIndex);
if (!NT_SUCCESS(Status))
{
return Status;
}
- FsRtlDissectName(*PathName, &Current, &Remaining);
+ if (Remaining.Length == 0)
+ break;
+
+ FsRtlDissectName(Current, &Current, &Remaining);
}
*FileRecord = ExAllocatePoolWithTag(NonPagedPool, Vcb->NtfsInfo.BytesPerFileRecord, TAG_NTFS);
if (!NT_SUCCESS(Status))
{
DPRINT("NtfsLookupFileAt: Can't read MFT record\n");
- ExFreePoolWithTag(FileRecord, TAG_NTFS);
+ ExFreePoolWithTag(*FileRecord, TAG_NTFS);
return Status;
}
- Length = wcslen(FoundName) * sizeof(WCHAR);
-
- Status = FindAttribute(Vcb, *FileRecord, AttributeData, FoundName, Length, DataContext);
- if (!NT_SUCCESS(Status))
+ if (!((*FileRecord)->Flags & FRH_DIRECTORY))
{
- DPRINT("NtfsLookupFileAt: Can't find data attribute\n");
- ExFreePoolWithTag(FileRecord, TAG_NTFS);
- return Status;
+ Status = FindAttribute(Vcb, *FileRecord, AttributeData, L"", 0, DataContext);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("NtfsLookupFileAt: Can't find data attribute\n");
+ ExFreePoolWithTag(*FileRecord, TAG_NTFS);
+ return Status;
+ }
+ }
+ else
+ {
+ *DataContext = NULL;
}
*MFTIndex = CurrentMFTIndex;
ULONGLONG CurrentMFTIndex)
{
NTSTATUS Status;
- WCHAR FoundName[MAX_PATH + 1];
- ULONG Length;
- DPRINT1("NtfsFindFileAt(%p, %wZ, %p, %p, %p, %p, %I64x)\n", Vcb, SearchPattern, FirstEntry, FileRecord, DataContext, MFTIndex, CurrentMFTIndex);
+ DPRINT("NtfsFindFileAt(%p, %wZ, %p, %p, %p, %p, %I64x)\n", Vcb, SearchPattern, FirstEntry, FileRecord, DataContext, MFTIndex, CurrentMFTIndex);
- Status = NtfsFindMftRecord(Vcb, CurrentMFTIndex, SearchPattern, FirstEntry, TRUE, &CurrentMFTIndex, FoundName);
+ Status = NtfsFindMftRecord(Vcb, CurrentMFTIndex, SearchPattern, FirstEntry, TRUE, &CurrentMFTIndex);
if (!NT_SUCCESS(Status))
{
+ DPRINT("NtfsFindFileAt: NtfsFindMftRecord() failed with status 0x%08lx\n", Status);
return Status;
}
if (!NT_SUCCESS(Status))
{
DPRINT("NtfsFindFileAt: Can't read MFT record\n");
- ExFreePoolWithTag(FileRecord, TAG_NTFS);
+ ExFreePoolWithTag(*FileRecord, TAG_NTFS);
return Status;
}
- Length = wcslen(FoundName) * sizeof(WCHAR);
-
- Status = FindAttribute(Vcb, *FileRecord, AttributeData, FoundName, Length, DataContext);
- if (!NT_SUCCESS(Status))
+ if (!((*FileRecord)->Flags & FRH_DIRECTORY))
{
- DPRINT("NtfsFindFileAt: Can't find data attribute\n");
- ExFreePoolWithTag(FileRecord, TAG_NTFS);
- return Status;
+ Status = FindAttribute(Vcb, *FileRecord, AttributeData, L"", 0, DataContext);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("NtfsFindFileAt: Can't find data attribute\n");
+ ExFreePoolWithTag(*FileRecord, TAG_NTFS);
+ return Status;
+ }
+ }
+ else
+ {
+ *DataContext = NULL;
}
*MFTIndex = CurrentMFTIndex;