static NTSTATUS
NtfsGetNameInformation(PDEVICE_EXTENSION DeviceExt,
PFILE_RECORD_HEADER FileRecord,
PNTFS_ATTR_CONTEXT DataContext,
PFILE_NAMES_INFORMATION Info,
ULONG BufferLength)
{
ULONG Length;
PFILENAME_ATTRIBUTE FileName;
DPRINT("NtfsGetNameInformation() called\n");
FileName = GetBestFileNameFromRecord(FileRecord);
ASSERT(FileName != NULL);
Length = FileName->NameLength * sizeof (WCHAR);
if ((sizeof(FILE_NAMES_INFORMATION) + Length) > BufferLength)
return(STATUS_BUFFER_OVERFLOW);
Info->FileNameLength = Length;
Info->NextEntryOffset =
ROUND_UP(sizeof(FILE_NAMES_INFORMATION) + Length, sizeof(ULONG));
RtlCopyMemory(Info->FileName, FileName->Name, Length);
return(STATUS_SUCCESS);
}
static NTSTATUS
NtfsGetBothDirectoryInformation(PDEVICE_EXTENSION DeviceExt,
PFILE_RECORD_HEADER FileRecord,
PNTFS_ATTR_CONTEXT DataContext,
ULONGLONG MFTIndex,
PFILE_BOTH_DIR_INFORMATION Info,
ULONG BufferLength)
{
ULONG Length;
PFILENAME_ATTRIBUTE FileName, ShortFileName;
DPRINT("NtfsGetBothDirectoryInformation() called\n");
FileName = GetBestFileNameFromRecord(FileRecord);
ASSERT(FileName != NULL);
ShortFileName = GetFileNameFromRecord(FileRecord, NTFS_FILE_NAME_DOS);
Length = FileName->NameLength * sizeof (WCHAR);
if ((sizeof(FILE_BOTH_DIR_INFORMATION) + Length) > BufferLength)
return(STATUS_BUFFER_OVERFLOW);
Info->FileNameLength = Length;
Info->NextEntryOffset =
ROUND_UP(sizeof(FILE_BOTH_DIR_INFORMATION) + Length, sizeof(ULONG));
RtlCopyMemory(Info->FileName, FileName->Name, Length);
if (ShortFileName)
{
/* Should we upcase the filename? */
ASSERT(ShortFileName->NameLength <= ARRAYSIZE(Info->ShortName));
Info->ShortNameLength = ShortFileName->NameLength * sizeof(WCHAR);
RtlCopyMemory(Info->ShortName, ShortFileName->Name, Info->ShortNameLength);
}
else
{
Info->ShortName[0] = 0;
Info->ShortNameLength = 0;
}
Info->CreationTime.QuadPart = FileName->CreationTime;
Info->LastAccessTime.QuadPart = FileName->LastAccessTime;
Info->LastWriteTime.QuadPart = FileName->LastWriteTime;
Info->ChangeTime.QuadPart = FileName->ChangeTime;
/* Convert file flags */
NtfsFileFlagsToAttributes(FileName->FileAttributes, &Info->FileAttributes);
Info->EndOfFile.QuadPart = FileName->AllocatedSize;
Info->AllocationSize.QuadPart = ROUND_UP(FileName->AllocatedSize, DeviceExt->NtfsInfo.BytesPerCluster);
Info->FileIndex = MFTIndex;
Info->EaSize = 0;
return STATUS_SUCCESS;
}
static NTSTATUS
NtfsGetDirectoryInformation(PDEVICE_EXTENSION DeviceExt,
PFILE_RECORD_HEADER FileRecord,
PNTFS_ATTR_CONTEXT DataContext,
PFILE_DIRECTORY_INFORMATION Info,
ULONG BufferLength)
{
ULONG Length;
PFILENAME_ATTRIBUTE FileName;
DPRINT("NtfsGetDirectoryInformation() called\n");
FileName = GetBestFileNameFromRecord(FileRecord);
ASSERT(FileName != NULL);
Length = FileName->NameLength * sizeof (WCHAR);
if ((sizeof(FILE_DIRECTORY_INFORMATION) + Length) > BufferLength)
return(STATUS_BUFFER_OVERFLOW);
Info->FileNameLength = Length;
Info->NextEntryOffset =
ROUND_UP(sizeof(FILE_DIRECTORY_INFORMATION) + Length, sizeof(ULONG));
RtlCopyMemory(Info->FileName, FileName->Name, Length);
Info->CreationTime.QuadPart = FileName->CreationTime;
Info->LastAccessTime.QuadPart = FileName->LastAccessTime;
Info->LastWriteTime.QuadPart = FileName->LastWriteTime;
Info->ChangeTime.QuadPart = FileName->ChangeTime;
/* Convert file flags */
NtfsFileFlagsToAttributes(FileName->FileAttributes, &Info->FileAttributes);
Info->EndOfFile.QuadPart = FileName->AllocatedSize;
Info->AllocationSize.QuadPart = ROUND_UP(FileName->AllocatedSize, DeviceExt->NtfsInfo.BytesPerCluster);
// Info->FileIndex=;
return STATUS_SUCCESS;
}
NTSTATUS
NtfsMakeFCBFromDirEntry(PNTFS_VCB Vcb,
PNTFS_FCB DirectoryFCB,
PUNICODE_STRING Name,
PCWSTR Stream,
PFILE_RECORD_HEADER Record,
ULONGLONG MFTIndex,
PNTFS_FCB * fileFCB)
{
WCHAR pathName[MAX_PATH];
PFILENAME_ATTRIBUTE FileName;
PSTANDARD_INFORMATION StdInfo;
PNTFS_FCB rcFCB;
ULONGLONG Size, AllocatedSize;
DPRINT1("NtfsMakeFCBFromDirEntry(%p, %p, %wZ, %p, %p, %p)\n", Vcb, DirectoryFCB, Name, Stream, Record, fileFCB);
FileName = GetBestFileNameFromRecord(Vcb, Record);
if (!FileName)
{
return STATUS_OBJECT_NAME_NOT_FOUND; // Not sure that's the best here
}
if (DirectoryFCB && Name)
{
if (Name->Buffer[0] != 0 && wcslen(DirectoryFCB->PathName) +
sizeof(WCHAR) + Name->Length / sizeof(WCHAR) > MAX_PATH)
{
return STATUS_OBJECT_NAME_INVALID;
}
wcscpy(pathName, DirectoryFCB->PathName);
if (!NtfsFCBIsRoot(DirectoryFCB))
{
wcscat(pathName, L"\\");
}
wcscat(pathName, Name->Buffer);
}
else
{
RtlCopyMemory(pathName, FileName->Name, FileName->NameLength * sizeof (WCHAR));
pathName[FileName->NameLength] = UNICODE_NULL;
}
Size = NtfsGetFileSize(Vcb, Record, (Stream ? Stream : L""), (Stream ? wcslen(Stream) : 0), &AllocatedSize);
rcFCB = NtfsCreateFCB(pathName, Stream, Vcb);
if (!rcFCB)
{
return STATUS_INSUFFICIENT_RESOURCES;
}
memcpy(&rcFCB->Entry, FileName, FIELD_OFFSET(FILENAME_ATTRIBUTE, NameLength));
rcFCB->Entry.NameType = FileName->NameType;
rcFCB->RFCB.FileSize.QuadPart = Size;
rcFCB->RFCB.ValidDataLength.QuadPart = Size;
rcFCB->RFCB.AllocationSize.QuadPart = AllocatedSize;
StdInfo = GetStandardInformationFromRecord(Vcb, Record);
if (StdInfo != NULL)
{
rcFCB->Entry.FileAttributes |= StdInfo->FileAttribute;
}
NtfsFCBInitializeCache(Vcb, rcFCB);
rcFCB->RefCount = 1;
rcFCB->MFTIndex = MFTIndex;
rcFCB->LinkCount = Record->LinkCount;
NtfsAddFCBToTable(Vcb, rcFCB);
*fileFCB = rcFCB;
return STATUS_SUCCESS;
}