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- Proper implement KsValidateConnectRequest
- Dataformat isnt not yet checked

svn path=/trunk/; revision=42664
This commit is contained in:
Johannes Anderwald 2009-08-14 09:27:24 +00:00
parent 9a7221dc8b
commit 11a3ac6f28
1 changed files with 101 additions and 35 deletions
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136
reactos/drivers/ksfilter/ks/connectivity.c
View file

@ -9,6 +9,21 @@
#include "priv.h"
KSPIN_INTERFACE StandardPinInterface =
{
{STATIC_KSINTERFACESETID_Standard},
KSINTERFACE_STANDARD_STREAMING,
0
};
KSPIN_MEDIUM StandardPinMedium =
{
{STATIC_KSMEDIUMSETID_Standard},
KSMEDIUM_TYPE_ANYINSTANCE,
0
};
/*
@implemented
*/
@ -50,61 +65,112 @@ KsValidateConnectRequest(
IN KSPIN_DESCRIPTOR* Descriptor,
OUT PKSPIN_CONNECT* Connect)
{
PIO_STACK_LOCATION IoStack;
PKSPIN_CONNECT ConnectDetails;
LPWSTR PinName = L"{146F1A80-4791-11D0-A5D6-28DB04C10000}\\";
PKSDATAFORMAT DataFormat;
LPWSTR Offset;
PKSPIN_INTERFACE Interface;
PKSPIN_MEDIUM Medium;
ULONG Size;
NTSTATUS Status;
ULONG Index;
ULONG Count;
BOOLEAN Found;
IoStack = IoGetCurrentIrpStackLocation(Irp);
if (!IoStack->FileObject->FileName.Buffer)
/* did the caller miss the connect parameter */
if (!Connect)
return STATUS_INVALID_PARAMETER;
if (IoStack->FileObject->FileName.Length < wcslen(PinName) + sizeof(KSPIN_CONNECT) + sizeof(KSDATAFORMAT))
return STATUS_INVALID_PARAMETER;
/* set create param size */
Size = sizeof(KSPIN_CONNECT);
Offset = wcsstr(IoStack->FileObject->FileName.Buffer, PinName);
if (!Offset)
{
/* request is not targeted for a pin */
return STATUS_INVALID_PARAMETER;
}
/* fetch create parameters */
Status = KspCopyCreateRequest(Irp,
KSSTRING_Pin,
&Size,
(PVOID*)&ConnectDetails);
ConnectDetails = (PKSPIN_CONNECT)(Offset + wcslen(PinName));
if (ConnectDetails->PinToHandle != NULL)
{
UNIMPLEMENTED
return STATUS_NOT_IMPLEMENTED;
}
/* check for success */
if (!NT_SUCCESS(Status))
return Status;
/* is pin id out of bounds */
if (ConnectDetails->PinId >= DescriptorsCount)
return STATUS_INVALID_PARAMETER;
#if 0
if (!IsEqualGUIDAligned(&ConnectDetails->Interface.Set, &KSINTERFACESETID_Standard) &&
ConnectDetails->Interface.Id != KSINTERFACE_STANDARD_STREAMING)
/* does the pin have interface details filled in */
if (Descriptor[ConnectDetails->PinId].InterfacesCount && Descriptor[ConnectDetails->PinId].Interfaces)
{
//FIXME
// validate provided interface set
DPRINT1("FIXME\n");
/* use provided pin interface count */
Count = Descriptor[ConnectDetails->PinId].InterfacesCount;
Interface = (PKSPIN_INTERFACE)Descriptor[ConnectDetails->PinId].Interfaces;
}
else
{
/* use standard pin interface */
Count = 1;
Interface = &StandardPinInterface;
}
if (!IsEqualGUIDAligned(&ConnectDetails->Medium.Set, &KSMEDIUMSETID_Standard) &&
ConnectDetails->Medium.Id != KSMEDIUM_TYPE_ANYINSTANCE)
/* now check the interface */
Found = FALSE;
Index = 0;
do
{
//FIXME
// validate provided medium set
DPRINT1("FIXME\n");
if (IsEqualGUIDAligned(&Interface[Index].Set, &ConnectDetails->Interface.Set) &&
Interface[Index].Id == ConnectDetails->Interface.Id)
{
/* found a matching interface */
Found = TRUE;
break;
}
/* iterate to next interface */
Index++;
}while(Index < Count);
if (!Found)
{
/* pin doesnt support this interface */
return STATUS_NO_MATCH;
}
/* does the pin have medium details filled in */
if (Descriptor[ConnectDetails->PinId].MediumsCount && Descriptor[ConnectDetails->PinId].Mediums)
{
/* use provided pin interface count */
Count = Descriptor[ConnectDetails->PinId].MediumsCount;
Medium = (PKSPIN_MEDIUM)Descriptor[ConnectDetails->PinId].Mediums;
}
else
{
/* use standard pin interface */
Count = 1;
Medium = &StandardPinMedium;
}
/* now check the interface */
Found = FALSE;
Index = 0;
do
{
if (IsEqualGUIDAligned(&Medium[Index].Set, &ConnectDetails->Medium.Set) &&
Medium[Index].Id == ConnectDetails->Medium.Id)
{
/* found a matching interface */
Found = TRUE;
break;
}
/* iterate to next medium */
Index++;
}while(Index < Count);
if (!Found)
{
/* pin doesnt support this medium */
return STATUS_NO_MATCH;
}
#endif
/// FIXME
/// implement format checking
DataFormat = (PKSDATAFORMAT) (ConnectDetails + 1);
*Connect = ConnectDetails;
return STATUS_SUCCESS;
}