UNC work good .Question about STATUS_REPARSE ??

[Sizy458]

Hello ,
i developped a driver filesystem with mup function which work good ! BUT
it is correct code on SECTION STATUS_REPARSE ?
If no correct , then How do i work for good correct ?

Thank.

NTSTATUS drvdispatchmupdisk(PDEVICE_EXTENSION_MOTHER mu, PIRP Irp, PIO_STACK_LOCATION irps)
{
//PDEVICE_EXTENSION_MOTHER mu = (PDEVICE_EXTENSION_MOTHER)DeviceObject->DeviceExtension;
NTSTATUS ret = STATUS_INVALID_DEVICE_REQUEST;
if (irps->MajorFunction == IRP_MJ_CREATE)
{
fileObject = irps->FileObject;

if (fileObject == NULL) {
KdPrintfSure2(("[MUP] fileObject == NULL\n"));
ret = STATUS_INVALID_PARAMETER;
goto GGGH;
}
pSIn = &(fileObject->FileName);

...
...
if (ISUNCREGISTERED(mu, source, &LEN, wchemin, &flagunc) == TRUE)
{
...
...
dest[0] = 0;

{
wcscat(dest, wchemin);
}
wcscat(dest, L"\\");
if ((flagunc&FL_UNC_ADDPATHUNC) != FL_UNC_ADDPATHUNC)
wcscat(dest, source + LEN);
else
wcscat(dest, source);
KdPrintfSure2(("IRP_MJ_CREATE %ws devient %ws\n", source, dest));
UNICODE_STRING SOut;
SOut.MaximumLength = 4096;
ret = SimRepAllocateUnicodeString(&SOut);
if (ret == STATUS_SUCCESS)
{
SOut.Length = wcslen(dest) << 1;
RtlCopyMemory(SOut.Buffer, dest, SOut.Length);
NRedSwapUnicodeString(pSIn, &SOut);
SimRepFreeUnicodeString(&SOut);
KDPublic(("File %ws matched\n", source));
ret = STATUS_REPARSE;
}









VOID
NRedSwapUnicodeString(
__in __out PUNICODE_STRING p1,
__in __out PUNICODE_STRING p2
)
{
UNICODE_STRING tmp;

//PAGED_CODE();

tmp.Length = p1->Length;
tmp.MaximumLength = p1->MaximumLength;
tmp.Buffer = p1->Buffer;

p1->Length = p2->Length;
p1->MaximumLength = p2->MaximumLength;
p1->Buffer = p2->Buffer;

p2->Length = tmp.Length;
p2->MaximumLength = tmp.MaximumLength;
p2->Buffer = tmp.Buffer;
}



NTSTATUS
SimRepAllocateUnicodeString(
PUNICODE_STRING String
)
{

PAGED_CODE();

String->Buffer = (PWCH)
ExAllocatePool(
PagedPool,
String->MaximumLength

);

if (String->Buffer == NULL) {

/*DDbgPrint("[SimRep]: Failed to allocate unicode string of size 0x%x\n",
String->MaximumLength);
*/
return STATUS_INSUFFICIENT_RESOURCES;
}

String->Length = 0;

return STATUS_SUCCESS;
}

VOID
SimRepFreeUnicodeString(
PUNICODE_STRING String
)
{
PAGED_CODE();

if (String->Buffer) {
ExFreePool(String->Buffer);
String->Buffer = NULL;
}

String->Length = String->MaximumLength = 0;
String->Buffer = NULL;
}

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