private void SubNegotiation_UsernamePassword_End(IAsyncResult ar)
{
DoAuthentication_SO asyncState = (DoAuthentication_SO)ar.AsyncState;
try
{
asyncState.UpdateContext();
this.EndSubNegotiation_UsernamePassword(ar);
}
catch (Exception exception)
{
asyncState.Exception = exception;
}
asyncState.SetCompleted();
}
private IAsyncResult BeginDoAuthentication(AuthMethod method, AsyncCallback cb, object state)
{
DoAuthentication_SO n_so = new DoAuthentication_SO(cb, state);
if (AuthMethod.UsernamePassword == method)
{
this.BeginSubNegotiation_UsernamePassword(new AsyncCallback(this.SubNegotiation_UsernamePassword_End), n_so);
return(n_so);
}
if (AuthMethod.NoAcceptable == method)
{
throw new SocketException(0x274d);
}
if (method != AuthMethod.None)
{
throw new InvalidOperationException("Unknown authentication requested.");
}
n_so.SetCompleted();
return(n_so);
}
IAsyncResult BeginDoAuthentication(AuthMethod method,
AsyncCallback cb,
object state)
{
DoAuthentication_SO stateObj = new DoAuthentication_SO(cb, state);
if(AuthMethod.UsernamePassword == method)
{
BeginSubNegotiation_UsernamePassword(
new AsyncCallback(SubNegotiation_UsernamePassword_End),
stateObj);
}
else if(AuthMethod.NoAcceptable == method)
{
//throw new AuthFailedException("No acceptable methods.");
throw new SocketException(SockErrors.WSAECONNREFUSED);
}
else if(AuthMethod.None != method)
{
throw new InvalidOperationException("Unknown authentication requested.");
}
else
{
stateObj.SetCompleted();
}
return stateObj;
}