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/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2018-2020 WireGuard LLC. All Rights Reserved.
*/
#include "pch.h"
HINSTANCE ResourceModule;
/**
* Returns the version of the Wintun driver and NDIS system currently loaded.
*
* @param DriverVersionMaj Pointer to a DWORD to receive the Wintun driver major version number.
*
* @param DriverVersionMin Pointer to a DWORD to receive the Wintun driver minor version number.
*
* @param NdisVersionMaj Pointer to a DWORD to receive the NDIS major version number.
*
* @param NdisVersionMin Pointer to a DWORD to receive the NDIS minor version number.
*
* @return ERROR_SUCCESS on success; Win32 error code otherwise.
*/
WINTUN_STATUS WINAPI
WintunGetVersion(
_Out_ DWORD *DriverVersionMaj,
_Out_ DWORD *DriverVersionMin,
_Out_ DWORD *NdisVersionMaj,
_Out_ DWORD *NdisVersionMin)
{
HKEY Key;
DWORD Result =
RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Services\\Wintun", 0, KEY_QUERY_VALUE, &Key);
if (Result != ERROR_SUCCESS)
return Result;
Result = RegistryQueryDWORD(Key, L"DriverMajorVersion", DriverVersionMaj);
if (Result != ERROR_SUCCESS)
goto cleanupKey;
Result = RegistryQueryDWORD(Key, L"DriverMinorVersion", DriverVersionMin);
if (Result != ERROR_SUCCESS)
goto cleanupKey;
Result = RegistryQueryDWORD(Key, L"NdisMajorVersion", NdisVersionMaj);
if (Result != ERROR_SUCCESS)
goto cleanupKey;
Result = RegistryQueryDWORD(Key, L"NdisMinorVersion", NdisVersionMin);
cleanupKey:
RegCloseKey(Key);
return Result;
}
BOOL APIENTRY
DllMain(_In_ HINSTANCE hinstDLL, _In_ DWORD fdwReason, _In_ LPVOID lpvReserved)
{
UNREFERENCED_PARAMETER(lpvReserved);
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
ResourceModule = hinstDLL;
NamespaceInit();
NciInit();
DevmgmtInit();
break;
case DLL_PROCESS_DETACH:
DevmgmtCleanup();
NciCleanup();
NamespaceCleanup();
break;
}
return TRUE;
}
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