CKeyVerificationControl()
{
	l_driveSignature = 0;
	s_errorStatus = 0;
	char pattern[] = "\\\\?\\usbstor#disk&ven_lg&prod_x-tick_2.0";
	bool endFlag = false;

	CLSID GUID_CLASS_USB_DRV = CLSID_NULL;
	HRESULT hres = CLSIDFromString(L"{53f56307-b6bf-11d0-94f2-00a0c91efb8b}", &GUID_CLASS_USB_DRV);
	if(S_OK != hres)
	{
		endFlag = true;
		s_errorStatus = 1; // CLSID convertion error
	}
	
	HDEVINFO hDevInfo  = SetupDiGetClassDevs ( (GUID*)& GUID_CLASS_USB_DRV, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
	if(INVALID_HANDLE_VALUE == hDevInfo)
	{
		endFlag = true;
		s_errorStatus = 2; // no device found [invalid device handler]
	}
	
	PSP_DEVICE_INTERFACE_DATA DevInfoData =
	(PSP_DEVICE_INTERFACE_DATA)malloc(sizeof(SP_DEVICE_INTERFACE_DATA));
	DevInfoData ->cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
	
	short i = 0;
	
	while(!endFlag)
	{
		
		if(SetupDiEnumDeviceInterfaces(hDevInfo, NULL, &GUID_CLASS_USB_DRV, i++,DevInfoData))
		{
			ULONG requiredLength = 0;

			SetupDiGetInterfaceDeviceDetail (hDevInfo, DevInfoData, NULL, 0, &requiredLength, NULL); 
			
			PSP_DEVICE_INTERFACE_DETAIL_DATA DevInfoDetail =
			(PSP_DEVICE_INTERFACE_DETAIL_DATA)malloc(requiredLength);

			DevInfoDetail ->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
			
			SetupDiGetInterfaceDeviceDetail (hDevInfo, DevInfoData, DevInfoDetail, requiredLength, &requiredLength, NULL);
			
			short pos;
			bool continueFlag = false;
			char* niddle = DevInfoDetail->DevicePath;
			for(pos=0;pos<strlen(pattern);pos++)
			{
				if(pattern[pos] != niddle[pos])
				{
					continueFlag = true;
					break;
				}
			}

			if(continueFlag)
			{
				continue;
			}
			
			//printf("%s", DevInfoDetail->DevicePath);
			
			HANDLE hUsbDevice = CreateFile ( DevInfoDetail->DevicePath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
			
			DRIVE_LAYOUT_INFORMATION* lpOutBuffer = (DRIVE_LAYOUT_INFORMATION*)malloc(sizeof(DRIVE_LAYOUT_INFORMATION)); // output buffer
			DWORD nOutBufferSize = sizeof(DRIVE_LAYOUT_INFORMATION)*5;         // size of output buffer
			LPDWORD lpBytesReturned = (LPDWORD)malloc(sizeof(DRIVE_LAYOUT_INFORMATION));      // number of bytes returned
			LPOVERLAPPED lpOverlapped = NULL;     // OVERLAPPED structure


			DeviceIoControl(
			hUsbDevice,                // handle to device
			IOCTL_DISK_GET_DRIVE_LAYOUT,   // dwIoControlCode
			NULL,                            // lpInBuffer
			0,
			lpOutBuffer,           // output buffer
			nOutBufferSize,         // size of output buffer
			lpBytesReturned,      // number of bytes returned
			lpOverlapped     // OVERLAPPED structure
			);
			
			l_driveSignature = lpOutBuffer->Signature;

			free(DevInfoDetail);
			//free(lpBytesReturned);  // здесь падает
			//free(lpOutBuffer);          // и здесь :(
			CloseHandle(hUsbDevice);
		}
		else
		{
			if(ERROR_NO_MORE_ITEMS == GetLastError())
			{
					endFlag = true;
			}
		}
	}
	if(!l_driveSignature)
	{
		s_errorStatus = 4; // no key inserted
	}
}

• SetupDiGetClassDevs & SetupDiEnumDeviceInterfaces - eug 10.01.05 14:04 [3992]
  • Пример рабочего кода - leo 10.01.05 19:16 [2685]
    • помогите "причесать" код, плиз [inside] - eug 16.01.05 15:19 [2854]
    • а где определён guid_slab_device_interface_cl ? - eug 10.01.05 22:08 [2161]
      • Re: - leo 11.01.05 00:00 [2058]
        • а как узнать GUID конкретного подключенного устройства ? - eug 11.01.05 00:24 [6086]
          • А не у всякого устройства есть GUID - amirul 11.01.05 12:32 [2298]
            • большое спасибо (-)  - eug 11.01.05 12:55 [1959]
  • непонятки с ClassGUID - eug 10.01.05 17:31 [2190]