C/Visual C - ¿FUNCION PARA EXTRAER EL SERIAL NUMBER DEL PC ?

#include <iostream>

#include <comdef.h>

#include <Wbemidl.h>

#pragma comment(lib, "wbemuuid.lib")

void GetSerialNumber()

{

    HRESULT hres;

    // Inicializa COM

    hres = CoInitializeEx(0, COINIT_MULTITHREADED);

    if (FAILED(hres))

    {

        std::cout << "Error al inicializar COM." << std::endl;

        return;

    }

    // Inicializa la biblioteca WMI

    hres = CoInitializeSecurity(

        NULL,

        -1,                          // COM negotiates service

        NULL,                        // Authentication services

        NULL,                        // Reserved

        RPC_C_AUTHN_LEVEL_DEFAULT,  // Default authentication

        RPC_C_IMP_LEVEL_IMPERSONATE, // Impersonation

        NULL,                        // Reserved

        EOAC_NONE,                  // Additional capabilities

        NULL                         // Reserved

    );

    // Conecta a la WMI

    IWbemLocator *pLoc = NULL;

    hres = CoCreateInstance(

        CLSID_WbemLocator,

        0,

        CLSCTX_INPROC_SERVER,

        IID_IWbemLocator, (LPVOID *)&pLoc);

    IWbemServices *pSvc = NULL;

    hres = pLoc->ConnectServer(

        _bstr_t(L"ROOT\\CIMV2"), // WMI namespace

        NULL,                    // User name

        NULL,                    // User password

        0,                       // Locale

        NULL,                    // Security flags

        0,                       // Authority

        0,                       // Context object

        &pSvc                    // IWbemServices proxy

    );

    // Configura el contexto de seguridad

    hres = CoInitializeSecurity(

        NULL,

        -1,                          // COM negotiates service

        NULL,                        // Authentication services

        NULL,                        // Reserved

        RPC_C_AUTHN_LEVEL_DEFAULT,  // Default authentication

        RPC_C_IMP_LEVEL_IMPERSONATE, // Impersonation

        NULL,                        // Reserved

        EOAC_NONE,                  // Additional capabilities

        NULL                         // Reserved

    );

    // Ejecuta la consulta WMI para obtener el número de serie

    IEnumWbemClassObject* pEnumerator = NULL;

    hres = pSvc->ExecQuery(

        bstr_t("WQL"),

        bstr_t("SELECT SerialNumber FROM Win32_BIOS"),

        WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,

        NULL,

        &pEnumerator);

    IWbemClassObject *pclsObj = NULL;

    ULONG uReturn = 0;

    while (pEnumerator)

    {

        HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1, &pclsObj, &uReturn);

        if (0 == uReturn)

        {

            break;

        }

        VARIANT vtSerialNumber;

        hr = pclsObj->Get(L"SerialNumber", 0, &vtSerialNumber, 0, 0);

        std::wcout << "Serial Number: " << vtSerialNumber.bstrVal << std::endl;

        VariantClear(&vtSerialNumber);

        pclsObj->Release();

    }

    // Limpieza

    pSvc->Release();

    pLoc->Release();

    pEnumerator->Release();

    CoUninitialize();

}

int main()

{

    GetSerialNumber();

    return 0;

}