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[NTOS:IO] Implement NtPlugPlayControl.PlugPlayControlDeviceClassAssociation

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The unregistration part is not implemented yet.
This commit is contained in:
Eric Kohl
2025-06-29 17:34:02 +02:00
parent 92fd611209
commit b364fee806
1 changed files with 61 additions and 1 deletions
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62
ntoskrnl/io/pnpmgr/plugplay.c
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@@ -1319,6 +1319,63 @@ PiControlGetInterfaceDeviceAlias(
&AliasSymbolicLinkName);
}
static
NTSTATUS
PiControlDeviceClassAssociation(
_In_ PPLUGPLAY_CONTROL_CLASS_ASSOCIATION_DATA ControlData)
{
PDEVICE_OBJECT DeviceObject = NULL;
UNICODE_STRING SymbolicLink;
NTSTATUS Status;
DPRINT("PiControlDeviceClassAssociation()\n");
DPRINT("DeviceInstance: %wZ\n", &ControlData->DeviceInstance);
if (ControlData->Register)
{
if ((ControlData->DeviceInstance.Buffer == NULL) ||
(ControlData->DeviceInstance.Length == 0))
return STATUS_INVALID_PARAMETER;
if (ControlData->InterfaceGuid == NULL)
return STATUS_INVALID_PARAMETER;
DeviceObject = IopGetDeviceObjectFromDeviceInstance(&ControlData->DeviceInstance);
if (DeviceObject == NULL)
return STATUS_NO_SUCH_DEVICE;
Status = IoRegisterDeviceInterface(DeviceObject,
ControlData->InterfaceGuid,
&ControlData->Reference,
&SymbolicLink);
if (NT_SUCCESS(Status))
{
if (SymbolicLink.Length + sizeof(WCHAR) <= ControlData->SymbolicLinkNameLength)
{
RtlCopyMemory(ControlData->SymbolicLinkName, SymbolicLink.Buffer, SymbolicLink.Length);
ControlData->SymbolicLinkName[SymbolicLink.Length / sizeof(WCHAR)] = UNICODE_NULL;
ControlData->SymbolicLinkNameLength = SymbolicLink.Length + sizeof(WCHAR);
}
else
{
ControlData->SymbolicLinkNameLength = SymbolicLink.Length + sizeof(WCHAR);
Status = STATUS_BUFFER_TOO_SMALL;
}
ExFreePool(SymbolicLink.Buffer);
}
ObDereferenceObject(DeviceObject);
}
else
{
UNIMPLEMENTED;
Status = STATUS_NOT_IMPLEMENTED;
}
return Status;
}
/* PUBLIC FUNCTIONS **********************************************************/
@@ -1595,7 +1652,10 @@ NtPlugPlayControl(IN PLUGPLAY_CONTROL_CLASS PlugPlayControlClass,
return STATUS_INVALID_PARAMETER;
return IopGetDeviceProperty((PPLUGPLAY_CONTROL_PROPERTY_DATA)Buffer);
// case PlugPlayControlDeviceClassAssociation:
case PlugPlayControlDeviceClassAssociation:
if (!Buffer || BufferLength < sizeof(PLUGPLAY_CONTROL_CLASS_ASSOCIATION_DATA))
return STATUS_INVALID_PARAMETER;
return PiControlDeviceClassAssociation((PPLUGPLAY_CONTROL_CLASS_ASSOCIATION_DATA)Buffer);
case PlugPlayControlGetRelatedDevice:
if (!Buffer || BufferLength < sizeof(PLUGPLAY_CONTROL_RELATED_DEVICE_DATA))