public bool RepairRemoteWmi(string hostname, CredToken credentialToken)
{
_logger.LogMessage($"Attempting to repair WMI on device {hostname}");
ResultConsole.Instance.AddConsoleLine($"Attempting to repair WMI on device {hostname}");
var remoteBatchPath = $"\\\\{hostname}\\C$\\temp\\fixwmi.bat";
var commandline = @"-i cmd /c C:\temp\fixwmi.bat"; // -i flag is required for PSExec to push the command through successfully.
var batchFileContent = CreateWmiRepairBatchConent();
try
{
_logger.LogMessage("Creating remote batch file");
_fileAndFolderServices.CreateRemoteTextFile(remoteBatchPath, batchFileContent, _logger);
}
catch (Exception ex)
{
_logger.LogError("Error creating remote WMI repair batch file.", ex);
ResultConsole.Instance.AddConsoleLine($"Error creating remote WMI repair batch file. Exception thrown: {ex.Message}");
return(false);
}
try
{
_logger.LogMessage($"Run WMI repair batch on remote device {hostname}");
_psExecServices.RunOnDeviceWithAuthentication(hostname, commandline, credentialToken);
return(true);
}
catch (Exception ex)
{
_logger.LogError($"Error running remote batch file on device {hostname}", ex);
ResultConsole.Instance.AddConsoleLine($"Error running remote batch file on device {hostname}\n Exception: {ex.Message}");
return(false);
}
}
public void RunOnDeviceWithAuthentication(string device, string commandline, CredToken creds)
{
// For whatever reason, making everything a string literal fixed a problem with making this work correctly
var loggableArguments = $@"\\{device} -u {creds.Domain}\{creds.User} -p [REDACTED] " + commandline;
_logger.LogMessage($"Beginning PsExec attempt on {device} with following command line options: {loggableArguments}");
RunPsExec(device, commandline, creds);
}
public override void OpenUserInterfaceElement(string rawDeviceList)
{
_parsedListCache = ParseDeviceList(rawDeviceList);
_credToken = CredentialManager.RequestCredentials();
if (_credToken == null)
{
var msg = $"Action {ActionName} canceled by user.";
Logger.LogMessage(msg);
ResultConsole.AddConsoleLine(msg);
CancellationToken.Cancel();
}
}
private void RunPsExec(string device, string arguments, CredToken creds = null)
{
ForceCleanRemotePsExeSvc(device);
var process = GeneratePsExecProcess();
try
{
if (creds != null)
{
process.StartInfo.Arguments = $@"\\{device} -u {creds.Domain}\{creds.User} -p {SecureStringHelper.GetInsecureString(creds.SecurePassword)} {arguments}";
}
else
{
process.StartInfo.Arguments = $@"\\{device} {arguments}";
}
process.Start();
_logger.LogMessage($"PSExec process started with start ID: {process.Id}");
process.WaitForExit(60000);
if (!process.HasExited)
{
process.Kill();
_logger.LogMessage($"Killed process {process.Id}");
}
var stdOutput = process.StandardOutput.ReadToEnd();
var errOutput = process.StandardError.ReadToEnd();
var stdResult = RemoveEmptyLines(stdOutput);
var errResult = RemoveEmptyLines(errOutput);
if (string.IsNullOrWhiteSpace(stdOutput) && string.IsNullOrWhiteSpace(errResult))
{
throw new Exception($"Device did not return a value. Please run the command on the device manually. \n PsExec command line: {process.StartInfo.Arguments}");
}
ResultConsole.Instance.AddConsoleLine(errResult);
ResultConsole.Instance.AddConsoleLine(stdResult);
_logger.LogMessage(errResult);
}
catch (Exception ex)
{
var exceptionResult = $"Exception running command on device {device}. {ex.Message}";
ResultConsole.Instance.AddConsoleLine(exceptionResult);
}
Thread.Sleep(1000);
}
public static CredToken RequestCredentials()
{
var loginWindowViewModel = new LoginWindowViewModel();
_windowService.ShowDialog <LoginWindow>(loginWindowViewModel);
if (loginWindowViewModel.WasCanceled)
{
loginWindowViewModel.Dispose();
return(null);
}
var credtoken = new CredToken(loginWindowViewModel.Domain, loginWindowViewModel.Username, SecureStringHelper.BuildSecureString(loginWindowViewModel.Password));
return(credtoken);
}
