WERROR ConnectAndQuery(struct com_context* ctx, const char *hostname, const char *query, struct IEnumWbemClassObject **pEnum) { uint32_t cnt = 5, ret; WERROR result; NTSTATUS status; struct IWbemServices *pWS = NULL; result = WBEM_ConnectServer(ctx, hostname, "root\\cimv2", 0, 0, 0, 0, 0, 0, &pWS); WERR_CHECK("Login to remote object."); result = IWbemServices_ExecQuery(pWS, ctx, "WQL", query, WBEM_FLAG_RETURN_IMMEDIATELY | WBEM_FLAG_ENSURE_LOCATABLE, NULL, pEnum); WERR_CHECK("WMI query execute."); result = IEnumWbemClassObject_Reset(*pEnum, ctx); WERR_CHECK("Reset result of WMI query."); error: return result; }
/* WBEM / WMI wrapper functions, to perform in-place conversion of WCHARs to * BSTRs */ HRESULT STDMETHODCALLTYPE call_IWbemServices_ExecQuery( IWbemServices *pSvc, LPCWSTR strQueryLanguage, LPCWSTR strQuery, long lFlags, IWbemContext *pCtx, IEnumWbemClassObject **ppEnum) { BSTR bsQueryLanguage, bsQuery; HRESULT hr; bsQueryLanguage = BstrAlloc(strQueryLanguage); bsQuery = BstrAlloc(strQuery); hr = IWbemServices_ExecQuery(pSvc, bsQueryLanguage, bsQuery, lFlags, pCtx, ppEnum); BstrFree(bsQueryLanguage); BstrFree(bsQuery); return hr; }
static HRESULT exec_query( IWbemServices *services, const WCHAR *str, IEnumWbemClassObject **result ) { static const WCHAR captionW[] = {'C','a','p','t','i','o','n',0}; static const WCHAR descriptionW[] = {'D','e','s','c','r','i','p','t','i','o','n',0}; HRESULT hr; IWbemClassObject *obj; BSTR wql = SysAllocString( wqlW ), query = SysAllocString( str ); LONG flags = WBEM_FLAG_RETURN_IMMEDIATELY | WBEM_FLAG_FORWARD_ONLY; ULONG count; hr = IWbemServices_ExecQuery( services, wql, query, flags, NULL, result ); if (hr == S_OK) { trace("%s\n", wine_dbgstr_w(str)); for (;;) { VARIANT var; IEnumWbemClassObject_Next( *result, WBEM_INFINITE, 1, &obj, &count ); if (!count) break; if (IWbemClassObject_Get( obj, captionW, 0, &var, NULL, NULL ) == WBEM_S_NO_ERROR) { trace("caption: %s\n", wine_dbgstr_w(V_BSTR(&var))); VariantClear( &var ); } if (IWbemClassObject_Get( obj, descriptionW, 0, &var, NULL, NULL ) == WBEM_S_NO_ERROR) { trace("description: %s\n", wine_dbgstr_w(V_BSTR(&var))); VariantClear( &var ); } IWbemClassObject_Release( obj ); } } SysFreeString( wql ); SysFreeString( query ); return hr; }
static void test_select( IWbemServices *services ) { static const WCHAR emptyW[] = {0}; static const WCHAR sqlW[] = {'S','Q','L',0}; static const WCHAR query1[] = {'S','E','L','E','C','T',' ','H','O','T','F','I','X','I','D',' ','F','R','O','M',' ', 'W','i','n','3','2','_','Q','u','i','c','k','F','i','x','E','n','g','i','n','e','e','r','i','n','g',0}; static const WCHAR query2[] = {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ','W','i','n','3','2','_','B','I','O','S',0}; static const WCHAR query3[] = {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ','W','i','n','3','2','_', 'L','o','g','i','c','a','l','D','i','s','k',' ','W','H','E','R','E',' ', '\"','N','T','F','S','\"',' ','=',' ','F','i','l','e','S','y','s','t','e','m',0}; static const WCHAR query4[] = {'S','E','L','E','C','T',' ','a',' ','F','R','O','M',' ','b',0}; static const WCHAR query5[] = {'S','E','L','E','C','T',' ','a',' ','F','R','O','M',' ','W','i','n','3','2','_','B','i','o','s',0}; static const WCHAR query6[] = {'S','E','L','E','C','T',' ','D','e','s','c','r','i','p','t','i','o','n',' ','F','R','O','M',' ', 'W','i','n','3','2','_','B','i','o','s',0}; static const WCHAR query7[] = {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ','W','i','n','3','2','_', 'P','r','o','c','e','s','s',' ','W','H','E','R','E',' ','C','a','p','t','i','o','n',' ', 'L','I','K','E',' ','\'','%','%','R','E','G','E','D','I','T','%','\'',0}; static const WCHAR query8[] = {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ','W','i','n','3','2','_', 'D','i','s','k','D','r','i','v','e',' ','W','H','E','R','E',' ','D','e','v','i','c','e','I','D','=', '\"','\\','\\','\\','\\','.','\\','\\','P','H','Y','S','I','C','A','L','D','R','I','V','E','0','\"',0}; static const WCHAR *test[] = { query1, query2, query3, query4, query5, query6, query7, query8 }; HRESULT hr; IEnumWbemClassObject *result; BSTR wql = SysAllocString( wqlW ); BSTR sql = SysAllocString( sqlW ); BSTR query = SysAllocString( query1 ); UINT i; hr = IWbemServices_ExecQuery( services, NULL, NULL, 0, NULL, &result ); ok( hr == WBEM_E_INVALID_PARAMETER, "query failed %08x\n", hr ); hr = IWbemServices_ExecQuery( services, NULL, query, 0, NULL, &result ); ok( hr == WBEM_E_INVALID_PARAMETER, "query failed %08x\n", hr ); hr = IWbemServices_ExecQuery( services, wql, NULL, 0, NULL, &result ); ok( hr == WBEM_E_INVALID_PARAMETER, "query failed %08x\n", hr ); hr = IWbemServices_ExecQuery( services, sql, query, 0, NULL, &result ); ok( hr == WBEM_E_INVALID_QUERY_TYPE, "query failed %08x\n", hr ); hr = IWbemServices_ExecQuery( services, sql, NULL, 0, NULL, &result ); ok( hr == WBEM_E_INVALID_PARAMETER, "query failed %08x\n", hr ); SysFreeString( query ); query = SysAllocString( emptyW ); hr = IWbemServices_ExecQuery( services, wql, query, 0, NULL, &result ); ok( hr == WBEM_E_INVALID_PARAMETER, "query failed %08x\n", hr ); for (i = 0; i < sizeof(test)/sizeof(test[0]); i++) { hr = exec_query( services, test[i], &result ); ok( hr == S_OK, "query %u failed: %08x\n", i, hr ); if (result) IEnumWbemClassObject_Release( result ); } SysFreeString( wql ); SysFreeString( sql ); SysFreeString( query ); }