USBDK/UsbDkHelper/DriverAccess.cpp
Dmitry Fleytman ec04c9a874 trivial: cleanup comments
Signed-off-by: Dmitry Fleytman <dfleytma@redhat.com>
2015-03-25 17:38:00 +02:00

106 lines
3.1 KiB
C++

/**********************************************************************
* Copyright (c) 2013-2014 Red Hat, Inc.
*
* Developed by Daynix Computing LTD.
*
* Authors:
* Dmitry Fleytman <dmitry@daynix.com>
* Pavel Gurvich <pavel@daynix.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************/
#include "stdafx.h"
#include "DriverAccess.h"
#include "Public.h"
void UsbDkDriverAccess::GetDevicesList(PUSB_DK_DEVICE_INFO &DevicesArray, ULONG &DeviceNumber)
{
DevicesArray = nullptr;
DWORD bytesReturned;
unique_ptr<USB_DK_DEVICE_INFO[]> Result;
do
{
// get number of devices
Ioctl(IOCTL_USBDK_COUNT_DEVICES, false, nullptr, 0,
&DeviceNumber, sizeof(DeviceNumber));
if (DeviceNumber == 0)
{
DevicesArray = nullptr;
return;
}
// allocate storage for device list
Result.reset(new USB_DK_DEVICE_INFO[DeviceNumber]);
} while (!Ioctl(IOCTL_USBDK_ENUM_DEVICES, true, nullptr, 0,
Result.get(), DeviceNumber * sizeof(USB_DK_DEVICE_INFO),
&bytesReturned));
DeviceNumber = bytesReturned / sizeof(USB_DK_DEVICE_INFO);
DevicesArray = Result.release();
}
void UsbDkDriverAccess::ReleaseConfigurationDescriptor(PUSB_CONFIGURATION_DESCRIPTOR Descriptor)
{
delete[] Descriptor;
}
void UsbDkDriverAccess::ReleaseDevicesList(PUSB_DK_DEVICE_INFO DevicesArray)
{
delete[] DevicesArray;
}
PUSB_CONFIGURATION_DESCRIPTOR UsbDkDriverAccess::GetConfigurationDescriptor(USB_DK_CONFIG_DESCRIPTOR_REQUEST &Request, ULONG &Length)
{
USB_CONFIGURATION_DESCRIPTOR ShortDescriptor;
Ioctl(IOCTL_USBDK_GET_CONFIG_DESCRIPTOR, true, &Request, sizeof(Request),
&ShortDescriptor, sizeof(ShortDescriptor));
Length = ShortDescriptor.wTotalLength;
auto FullDescriptor = reinterpret_cast<PUSB_CONFIGURATION_DESCRIPTOR>(new BYTE[Length]);
Ioctl(IOCTL_USBDK_GET_CONFIG_DESCRIPTOR, false, &Request, sizeof(Request),
FullDescriptor, Length);
return FullDescriptor;
}
void UsbDkDriverAccess::UpdateRegistryParameters()
{
Ioctl(IOCTL_USBDK_UPDATE_REG_PARAMETERS);
}
HANDLE UsbDkDriverAccess::AddRedirect(USB_DK_DEVICE_ID &DeviceID)
{
ULONG64 RedirectorHandle;
SendIoctlWithDeviceId(IOCTL_USBDK_ADD_REDIRECT, DeviceID, &RedirectorHandle);
return reinterpret_cast<HANDLE>(RedirectorHandle);
}
void UsbDkHiderAccess::AddHideRule(const USB_DK_HIDE_RULE &Rule)
{
Ioctl(IOCTL_USBDK_ADD_HIDE_RULE, false, const_cast<PUSB_DK_HIDE_RULE>(&Rule), sizeof(Rule));
}
void UsbDkHiderAccess::ClearHideRules()
{
Ioctl(IOCTL_USBDK_CLEAR_HIDE_RULES);
}