NTSTATUS
NtfsMakeFCBFromDirEntry(PVCB Vcb,
PFCB DirectoryFCB,
PWSTR Name,
PDIR_RECORD Record,
PFCB * fileFCB)
{
WCHAR pathName[MAX_PATH];
PFCB rcFCB;
ULONG Size;
if (Name [0] != 0 && wcslen (DirectoryFCB->PathName) +
sizeof(WCHAR) + wcslen (Name) > MAX_PATH)
{
return(STATUS_OBJECT_NAME_INVALID);
}
wcscpy(pathName, DirectoryFCB->PathName);
if (!NtfsFCBIsRoot(DirectoryFCB))
{
wcscat(pathName, L"\\");
}
if (Name[0] != 0)
{
wcscat(pathName, Name);
}
else
{
WCHAR entryName[MAX_PATH];
NtfsGetDirEntryName(Vcb, Record, entryName);
wcscat(pathName, entryName);
}
rcFCB = NtfsCreateFCB(pathName, Vcb);
memcpy(&rcFCB->Entry, Record, sizeof(DIR_RECORD));
Size = rcFCB->Entry.DataLengthL;
rcFCB->RFCB.FileSize.QuadPart = Size;
rcFCB->RFCB.ValidDataLength.QuadPart = Size;
rcFCB->RFCB.AllocationSize.QuadPart = ROUND_UP(Size, BLOCKSIZE);
// DPRINT1("%S %d %d\n", longName, Size, (ULONG)rcFCB->RFCB.AllocationSize.QuadPart);
NtfsFCBInitializeCache(Vcb, rcFCB);
rcFCB->RefCount++;
NtfsAddFCBToTable(Vcb, rcFCB);
*fileFCB = rcFCB;
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;
}
