NetTunnelWindows/NetTunnelSDKTestApp/NetNat.cpp

145 lines
4.3 KiB
C++

#include <Windows.h>
#include <iostream>
#include <comdef.h>
#include <Wbemidl.h>
#pragma comment(lib, "wbemuuid.lib")
int net_nat() {
HRESULT hr;
// Initialize COM
hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
if (FAILED(hr)) {
std::cout << "Failed to initialize COM" << std::endl;
return 1;
}
// Initialize security
hr = CoInitializeSecurity(NULL,
-1,
NULL,
NULL,
RPC_C_AUTHN_LEVEL_DEFAULT,
RPC_C_IMP_LEVEL_IMPERSONATE,
NULL,
EOAC_NONE,
NULL);
if (FAILED(hr)) {
std::cout << "Failed to initialize security" << std::endl;
CoUninitialize();
return 1;
}
// Obtain the initial locator to WMI
IWbemLocator *pLocator = NULL;
hr = CoCreateInstance(CLSID_WbemLocator,
0,
CLSCTX_INPROC_SERVER,
IID_IWbemLocator,
reinterpret_cast<LPVOID *>(&pLocator));
if (FAILED(hr)) {
std::cout << "Failed to create IWbemLocator object" << std::endl;
CoUninitialize();
return 1;
}
// Connect to the root\StandardCimv2 namespace with the current user
IWbemServices *pServices = NULL;
hr = pLocator->ConnectServer(_bstr_t(L"ROOT\\StandardCimv2"), NULL, NULL, 0, NULL, 0, 0, &pServices);
if (FAILED(hr)) {
std::cout << "Failed to connect to WMI namespace" << std::endl;
pLocator->Release();
CoUninitialize();
return 1;
}
// Set the authentication information to the current user
hr = CoSetProxyBlanket(pServices,
RPC_C_AUTHN_WINNT,
RPC_C_AUTHZ_NONE,
NULL,
RPC_C_AUTHN_LEVEL_CALL,
RPC_C_IMP_LEVEL_IMPERSONATE,
NULL,
EOAC_NONE);
if (FAILED(hr)) {
std::cout << "Failed to set proxy blanket" << std::endl;
pServices->Release();
pLocator->Release();
CoUninitialize();
return 1;
}
// Get the NAT class object
IWbemClassObject *pClass = NULL;
hr = pServices->GetObject(_bstr_t("MSFT_NetNat"), 0, NULL, &pClass, NULL);
if (FAILED(hr)) {
std::cout << "Failed to get NAT class object" << std::endl;
pServices->Release();
pLocator->Release();
CoUninitialize();
return 1;
}
// Spawn an instance of the NAT class
IWbemClassObject *pInstance = NULL;
hr = pClass->SpawnInstance(0, &pInstance);
if (FAILED(hr)) {
std::cout << "Failed to spawn NAT instance" << std::endl;
pClass->Release();
pServices->Release();
pLocator->Release();
CoUninitialize();
return 1;
}
// Set the properties of the NAT instance
VARIANT var;
VariantInit(&var);
// Set the name of the NAT instance
var.vt = VT_BSTR;
var.bstrVal = SysAllocString(L"MyNATRule");
hr = pInstance->Put(L"Name", 0, &var, 0);
if (FAILED(hr)) {
std::cout << "Failed to set NAT instance name" << std::endl;
VariantClear(&var);
pInstance->Release();
pClass->Release();
pServices->Release();
pLocator->Release();
CoUninitialize();
return 1;
}
// Set other properties as needed
// ...
// Create the NAT instance
IWbemCallResult *pResult = NULL;
hr = pServices->PutInstance(pInstance, WBEM_FLAG_CREATE_ONLY, NULL, &pResult);
if (FAILED(hr)) {
std::cout << "Failed to create NAT instance" << std::endl;
VariantClear(&var);
pInstance->Release();
pClass->Release();
pServices->Release();
pLocator->Release();
CoUninitialize();
return 1;
}
// Cleanup
VariantClear(&var);
pResult->Release();
pInstance->Release();
pClass->Release();
pServices->Release();
pLocator->Release();
CoUninitialize();
std::cout << "NAT rule created successfully" << std::endl;
return 0;
}