vc 判断当前用户是否在管理员组以及是否SYSTEM权限运行

BOOL IsUserInAdminGroup() //判断是否在管理员组
{
    BOOL fInAdminGroup = FALSE;
    HANDLE hToken = NULL;
    HANDLE hTokenToCheck = NULL;
    DWORD cbSize = 0;

    OSVERSIONINFO osver = {0};
    osver.dwOSVersionInfoSize = sizeof(osver);

    if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY | TOKEN_DUPLICATE, &hToken))
        goto Cleanup;
    if (!GetVersionEx(&osver))
        goto Cleanup;
    if (osver.dwMajorVersion >= 6)
    {
        TOKEN_ELEVATION_TYPE elevType;
        if (!GetTokenInformation(hToken, TokenElevationType, &elevType, sizeof(elevType), &cbSize))
            goto Cleanup;
        if (TokenElevationTypeLimited == elevType)
        {
            if (!GetTokenInformation(hToken, TokenLinkedToken, &hTokenToCheck, sizeof(hTokenToCheck), &cbSize))
                goto Cleanup;
        }
    }

    if (!hTokenToCheck)
    {
        if (!DuplicateToken(hToken, SecurityIdentification, &hTokenToCheck))
            goto Cleanup;
    }

    BYTE adminSID[SECURITY_MAX_SID_SIZE];
    cbSize = sizeof(adminSID);
    if (!CreateWellKnownSid(WinBuiltinAdministratorsSid, NULL, &adminSID, &cbSize))
        goto Cleanup;
    if (!CheckTokenMembership(hTokenToCheck, &adminSID, &fInAdminGroup)) 
        goto Cleanup;

Cleanup:
    if (hToken)    CloseHandle(hToken);
    if (hTokenToCheck) CloseHandle(hTokenToCheck);
    return fInAdminGroup;
}


BOOL IsRunAsAdmin() //判断是否以管理员权限运行
{
    BOOL fIsRunAsAdmin = FALSE;
    DWORD dwError = ERROR_SUCCESS;
    PSID pAdministratorsGroup = NULL;

    SID_IDENTIFIER_AUTHORITY NtAuthority = SECURITY_NT_AUTHORITY;
    if (!AllocateAndInitializeSid(
        &NtAuthority, 
        2, 
        SECURITY_BUILTIN_DOMAIN_RID, 
        DOMAIN_ALIAS_RID_ADMINS, 
        0, 0, 0, 0, 0, 0, 
        &pAdministratorsGroup))
    {
        dwError = GetLastError();
        goto Cleanup;
    }

    if (!CheckTokenMembership(NULL, pAdministratorsGroup, &fIsRunAsAdmin))
    {
        dwError = GetLastError();
        goto Cleanup;
    }

Cleanup:
    if (pAdministratorsGroup) FreeSid(pAdministratorsGroup);
    return fIsRunAsAdmin;
}


if (!IsUserInAdminGroup())
{
    exit(1);
}

if (IsRunAsAdmin())
{
    code();
}