private bool BindSam(string target, string userName, string password)
{
string adsPath = $"WinNT://{_serverName},computer";
Guid g = new Guid("fd8256d0-fd15-11ce-abc4-02608c9e7553"); // IID_IUnknown
object value = null;
// always attempt secure auth..
int authenticationType = 1;
object unmanagedResult = null;
try
{
if (Thread.CurrentThread.GetApartmentState() == ApartmentState.Unknown)
{
Thread.CurrentThread.SetApartmentState(ApartmentState.MTA);
}
// We need the credentials to be in the form <machine>\\<user>
// if they just passed user then append the machine name here.
if (null != userName)
{
int index = userName.IndexOf('\\');
if (index == -1)
{
userName = _serverName + "\\" + userName;
}
}
int hr = UnsafeNativeMethods.ADsOpenObject(adsPath, userName, password, (int)authenticationType, ref g, out value);
if (hr != 0)
{
if (hr == unchecked ((int)(ExceptionHelper.ERROR_HRESULT_LOGON_FAILURE)))
{
// This is the invalid credetials case. We want to return false
// instead of throwing an exception
return(false);
}
else
{
throw ExceptionHelper.GetExceptionFromErrorCode(hr);
}
}
unmanagedResult = ((UnsafeNativeMethods.IADs)value).Get("name");
}
catch (System.Runtime.InteropServices.COMException e)
{
if (e.ErrorCode == unchecked ((int)(ExceptionHelper.ERROR_HRESULT_LOGON_FAILURE)))
{
return(false);
}
else
{
throw ExceptionHelper.GetExceptionFromCOMException(e);
}
}
finally
{
if (value != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(value);
}
}
return(true);
}
private bool BindSam(string target, string userName, string password)
{
bool flag;
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append("WinNT://");
stringBuilder.Append(this.serverName);
stringBuilder.Append(",computer");
Guid guid = new Guid("fd8256d0-fd15-11ce-abc4-02608c9e7553");
object obj = null;
int num = 1;
try
{
try
{
if (Thread.CurrentThread.GetApartmentState() == ApartmentState.Unknown)
{
Thread.CurrentThread.SetApartmentState(ApartmentState.MTA);
}
if (userName != null)
{
int num1 = userName.IndexOf("\\", StringComparison.Ordinal);
if (num1 == -1)
{
userName = string.Concat(this.serverName, "\\", userName);
}
}
int num2 = UnsafeNativeMethods.ADsOpenObject(stringBuilder.ToString(), userName, password, num, out guid, out obj);
if (num2 == 0)
{
((UnsafeNativeMethods.IADs)obj).Get("name");
}
else
{
if (num2 != ExceptionHelper.ERROR_HRESULT_LOGON_FAILURE)
{
throw ExceptionHelper.GetExceptionFromErrorCode(num2);
}
else
{
flag = false;
return(flag);
}
}
}
catch (COMException cOMException1)
{
COMException cOMException = cOMException1;
if (cOMException.ErrorCode != ExceptionHelper.ERROR_HRESULT_LOGON_FAILURE)
{
throw ExceptionHelper.GetExceptionFromCOMException(cOMException);
}
else
{
flag = false;
return(flag);
}
}
return(true);
}
finally
{
if (obj != null)
{
Marshal.ReleaseComObject(obj);
}
}
return(flag);
}