| 47 | } |
| 48 | |
| 49 | HRESULT Wmi::init() |
| 50 | { |
| 51 | HRESULT hres; |
| 52 | |
| 53 | if(pLoc != nullptr && pSvc != nullptr) |
| 54 | { |
| 55 | return S_OK; |
| 56 | } |
| 57 | |
| 58 | // Initialize COM. ------------------------------------------ |
| 59 | hres = CoInitializeEx(0, COINIT_APARTMENTTHREADED); |
| 60 | if (FAILED(hres)) |
| 61 | { |
| 62 | return hres; |
| 63 | } |
| 64 | |
| 65 | // Set general COM security levels -------------------------- |
| 66 | hres = CoInitializeSecurity( |
| 67 | nullptr, |
| 68 | -1, // COM authentication |
| 69 | nullptr, // Authentication services |
| 70 | nullptr, // Reserved |
| 71 | RPC_C_AUTHN_LEVEL_DEFAULT, // Default authentication |
| 72 | RPC_C_IMP_LEVEL_IMPERSONATE, // Default Impersonation |
| 73 | nullptr, // Authentication info |
| 74 | EOAC_NONE, // Additional capabilities |
| 75 | nullptr // Reserved |
| 76 | ); |
| 77 | |
| 78 | if (FAILED(hres)) |
| 79 | { |
| 80 | CoUninitialize(); |
| 81 | return hres; |
| 82 | } |
| 83 | |
| 84 | // Obtain the initial locator to WMI ------------------------- |
| 85 | hres = CoCreateInstance( |
| 86 | CLSID_WbemLocator, |
| 87 | nullptr, |
| 88 | CLSCTX_INPROC_SERVER, |
| 89 | IID_IWbemLocator, (LPVOID*) &pLoc |
| 90 | ); |
| 91 | |
| 92 | if (FAILED(hres)) |
| 93 | { |
| 94 | CoUninitialize(); |
| 95 | return hres; |
| 96 | } |
| 97 | |
| 98 | hres = pLoc->ConnectServer( |
| 99 | _bstr_t(L"ROOT\\CIMV2"), // Object path of WMI namespace |
| 100 | nullptr, // User name. NULL = current user |
| 101 | nullptr, // User password. NULL = current |
| 102 | nullptr, // Locale. NULL indicates current |
| 103 | 0, // Security flags. |
| 104 | nullptr, // Authority (for example, Kerberos) |
| 105 | nullptr, // Context object |
| 106 | &pSvc // pointer to IWbemServices proxy |
no outgoing calls
no test coverage detected