read_reg_dword_value.js

// Gordon Young 2016 gyoung@svb.com
// This script :
// 1. Reads the given Windows registry subkey value reg_multi_sz data type
// 2. Compares it to the provided expected setting
// if the configured setting is compliant the script returns 'pass', 
// if the setting is non-compliant the script returns 'fail'

//The registry path we want to test
var hklm = 0x80000002, KeyName = "SYSTEM\\CurrentControlSet\\services\\Netlogon\\Parameters", ValueName = "RequireStrongKey";

//set our Array of expected CI Settings values:
var sExpectedValue = 1;

// The following function wmiExec() is is just a generic way to call "C Style" provider methods that require output parameters. This helps to return output from the GetMultiStringValue
// For example the windows regisry method we are calling look like: https://msdn.microsoft.com/en-us/library/aa390445(v=vs.85).aspx
//uint32 GetDWORDValue(
//  [in]  uint32 hDefKey = HKEY_LOCAL_MACHINE,
//  [in]  string sSubKeyName,
//  [in]  string sValueName,
//  [out] uint32 uValue
//);

try {

    function wmiExec(wmiService, providerName, methodName, methodParameters) {
        var wmiProviderObject = wmiService.Get(providerName);
        var wmiProviderMethod = wmiProviderObject.Methods_.Item(methodName);
        var wmiInputParameterObject = wmiProviderMethod.Inparameters.SpawnInstance_();
        for (var parameter in methodParameters) {
            wmiInputParameterObject.Properties_.item(parameter) = methodParameters[parameter];
        }
        wmiOutParameterObject = wmiProviderObject.ExecMethod_(wmiProviderMethod.Name, wmiInputParameterObject);
        return wmiOutParameterObject;
    }

    var wmiLocatorObj = WScript.CreateObject("WbemScripting.SWbemLocator"); //instanciate WMI provider
    var wmiServiceDefault = wmiLocatorObj.ConnectServer(".", "root\\default");

    // Executing the GetMultiStringValue method and creating an array of the resulting values.
    var methodParameters = new Object();
    methodParameters["hDefKey"] = hklm;
    methodParameters["sSubKeyName"] = KeyName;
    methodParameters["sValueName"] = ValueName;

    var result = wmiExec(wmiServiceDefault, "StdRegProv", "GetDWORDValue", methodParameters);
    var iResult = result.uValue;

    if (sExpectedValue == iResult) {
        WScript.Echo('pass')
    }
    else {
        WScript.Echo('fail')
    }

}
catch (e) {
    WScript.Echo('fail');
    //WScript.echo((e.number>>16 & 0x1FFF)); // Prints Facility Code
    //WScript.echo((e.number & 0xFFFF));     // Prints Error Code
    //WScript.echo(e.description);           // Prints Description
    //throw e;
}