C++ (Cpp) PostProcessOnSuccess Examples

Example #1

File: RedirectorStrategy.cpp Project: defconcepts/UsbDk

NTSTATUS CUsbDkRedirectorStrategy::PNPPreProcess(PIRP Irp)
{
    PIO_STACK_LOCATION irpStack = IoGetCurrentIrpStackLocation(Irp);
    switch (irpStack->MinorFunction)
    {
    case IRP_MN_QUERY_ID:
        return PostProcessOnSuccess(Irp,
                                    [this](PIRP Irp)
                                    {
                                        PatchDeviceID(Irp);
                                    });

    case IRP_MN_QUERY_CAPABILITIES:
        return PostProcessOnSuccess(Irp,
                                    [](PIRP Irp)
                                    {
                                        auto irpStack = IoGetCurrentIrpStackLocation(Irp);
                                        irpStack->Parameters.DeviceCapabilities.Capabilities->RawDeviceOK = 1;
                                        irpStack->Parameters.DeviceCapabilities.Capabilities->NoDisplayInUI = 1;
                                        irpStack->Parameters.DeviceCapabilities.Capabilities->Removable = 0;
                                        irpStack->Parameters.DeviceCapabilities.Capabilities->EjectSupported = 0;
                                        irpStack->Parameters.DeviceCapabilities.Capabilities->SilentInstall = 1;
                                    });
    default:
        return CUsbDkFilterStrategy::PNPPreProcess(Irp);
    }
}

Example #2

File: FilterDevice.cpp Project: SPICE/win32-usbdk

NTSTATUS CUsbDkHubFilterStrategy::PNPPreProcess(PIRP Irp)
{
    auto irpStack = IoGetCurrentIrpStackLocation(Irp);

    if ((irpStack->MinorFunction == IRP_MN_QUERY_DEVICE_RELATIONS) &&
        (BusRelations == irpStack->Parameters.QueryDeviceRelations.Type))
    {
        return PostProcessOnSuccess(Irp,
                                    [this](PIRP Irp)
                                    {
                                        CNonPagedDeviceRelations Relations;
                                        auto status = Relations.Create((PDEVICE_RELATIONS)Irp->IoStatus.Information);

                                        if (!NT_SUCCESS(status))
                                        {
                                            TraceEvents(TRACE_LEVEL_ERROR, TRACE_FILTERDEVICE, "%!FUNC! Failed to create device relations object: %!STATUS!", status);
                                            return;
                                        }

                                        TraceEvents(TRACE_LEVEL_ERROR, TRACE_FILTERDEVICE, "%!FUNC! Starting relations array processing:");
                                        Relations.Dump();

                                        DropRemovedDevices(Relations);
                                        AddNewDevices(Relations);
                                        WipeHiddenDevices(Relations);
                                        TraceEvents(TRACE_LEVEL_ERROR, TRACE_FILTERDEVICE, "%!FUNC! Finished relations array processing");
                                    });
    }

    return CUsbDkFilterStrategy::PNPPreProcess(Irp);
}

Example #3

File: FilterDevice.cpp Project: coskifu/UsbDk

NTSTATUS CUsbDkHubFilterStrategy::PNPPreProcess(PIRP Irp)
{
    auto irpStack = IoGetCurrentIrpStackLocation(Irp);

    if ((irpStack->MinorFunction == IRP_MN_QUERY_DEVICE_RELATIONS) &&
        (BusRelations == irpStack->Parameters.QueryDeviceRelations.Type))
    {
        return PostProcessOnSuccess(Irp,
                                    [this](PIRP Irp)
                                    {
                                        CDeviceRelations Relations((PDEVICE_RELATIONS)Irp->IoStatus.Information);
                                        DropRemovedDevices(Relations);
                                        AddNewDevices(Relations);
                                        WipeHiddenDevices(Relations);
                                    });
    }

    return CUsbDkFilterStrategy::PNPPreProcess(Irp);
}