private static void AuthenticateContinueCallback(IAsyncResult result)
{
if (!result.CompletedSynchronously)
{
ConnectAndHandshakeAsyncResult thisPtr = (ConnectAndHandshakeAsyncResult)result.AsyncState !;
try
{
LineInfo info = AuthCommand.EndSend(result);
if ((int)info.StatusCode == 235)
{
thisPtr._connection._authenticationModules[thisPtr._currentModule].CloseContext(thisPtr._connection);
thisPtr._connection._isConnected = true;
thisPtr.InvokeCallback();
return;
}
else if ((int)info.StatusCode == 334)
{
thisPtr._authResponse = info.Line;
if (!thisPtr.AuthenticateContinue())
{
return;
}
}
thisPtr.Authenticate();
}
catch (Exception e)
{
thisPtr.InvokeCallback(e);
}
}
}
private bool AuthenticateContinue()
{
while (true)
{
// We don't need credential on the continued auth assuming they were captured on the first call.
// That should always work, otherwise what if a new credential has been returned?
Authorization?auth = _connection._authenticationModules[_currentModule].Authenticate(_authResponse, null, _connection, _connection._client !.TargetName, null);
if (auth == null)
{
throw new SmtpException(SR.SmtpAuthenticationFailed);
}
IAsyncResult result = AuthCommand.BeginSend(_connection, auth.Message, s_authenticateContinueCallback, this);
if (!result.CompletedSynchronously)
{
return(false);
}
LineInfo info = AuthCommand.EndSend(result);
if ((int)info.StatusCode == 235)
{
_connection._authenticationModules[_currentModule].CloseContext(_connection);
_connection._isConnected = true;
InvokeCallback();
return(false);
}
else if ((int)info.StatusCode != 334)
{
return(true);
}
_authResponse = info.Line;
}
}
bool AuthenticateContinue() //10
{
for (; ;)
{
// We don't need credential on the continued auth assuming they were captured on the first call.
// That should always work, otherwise what if a new credential has been returned?
Authorization auth = connection.authenticationModules[currentModule].Authenticate(authResponse, null, connection, connection.client.TargetName, connection.channelBindingToken);
if (auth == null)
{
throw new SmtpException(SR.GetString(SR.SmtpAuthenticationFailed));
}
IAsyncResult result = AuthCommand.BeginSend(connection, auth.Message, authenticateContinueCallback, this);
if (!result.CompletedSynchronously)
{
return(false);
}
LineInfo info = AuthCommand.EndSend(result);
if ((int)info.StatusCode == 235)
{
connection.authenticationModules[currentModule].CloseContext(connection);
connection.isConnected = true;
InvokeCallback();
return(false);
}
else if ((int)info.StatusCode != 334)
{
return(true);
}
authResponse = info.Line;
}
}
void Authenticate() //8
{
//if no credentials were supplied, try anonymous
//servers don't appear to anounce that they support anonymous login.
if (connection.credentials != null)
{
while (++currentModule < connection.authenticationModules.Length)
{
//only authenticate if the auth protocol is supported
ISmtpAuthenticationModule module = connection.authenticationModules[currentModule];
if (!connection.AuthSupported(module))
{
continue;
}
NetworkCredential credential = connection.credentials.GetCredential(host, port, module.AuthenticationType);
if (credential == null)
{
continue;
}
Authorization auth = connection.SetContextAndTryAuthenticate(module, credential, m_OuterResult);
if (auth != null && auth.Message != null)
{
IAsyncResult result = AuthCommand.BeginSend(connection, connection.authenticationModules[currentModule].AuthenticationType, auth.Message, authenticateCallback, this);
if (!result.CompletedSynchronously)
{
return;
}
LineInfo info = AuthCommand.EndSend(result);
if ((int)info.StatusCode == 334)
{
authResponse = info.Line;
if (!AuthenticateContinue())
{
return;
}
}
else if ((int)info.StatusCode == 235)
{
module.CloseContext(connection);
connection.isConnected = true;
break;
}
}
}
//try anonymous if didn't authenticate
//if (!connection.isConnected) {
// throw new SmtpException(SR.GetString(SR.SmtpAuthenticationFailed));
// }
}
connection.isConnected = true;
InvokeCallback();
}
private void Authenticate()
{
//if no credentials were supplied, try anonymous
//servers don't appear to anounce that they support anonymous login.
if (_connection._credentials != null)
{
while (++_currentModule < _connection._authenticationModules.Length)
{
//only authenticate if the auth protocol is supported
ISmtpAuthenticationModule module = _connection._authenticationModules[_currentModule];
if (!_connection.AuthSupported(module))
{
continue;
}
NetworkCredential credential = _connection._credentials.GetCredential(_host, _port, module.AuthenticationType);
if (credential == null)
{
continue;
}
Authorization auth = _connection.SetContextAndTryAuthenticate(module, credential, _outerResult);
if (auth != null && auth.Message != null)
{
IAsyncResult result = AuthCommand.BeginSend(_connection, _connection._authenticationModules[_currentModule].AuthenticationType, auth.Message, s_authenticateCallback, this);
if (!result.CompletedSynchronously)
{
return;
}
LineInfo info = AuthCommand.EndSend(result);
if ((int)info.StatusCode == 334)
{
_authResponse = info.Line;
if (!AuthenticateContinue())
{
return;
}
}
else if ((int)info.StatusCode == 235)
{
module.CloseContext(_connection);
_connection._isConnected = true;
break;
}
}
}
}
_connection._isConnected = true;
InvokeCallback();
}
private void Authenticate()
{
if (this.connection.credentials != null)
{
while (++this.currentModule < this.connection.authenticationModules.Length)
{
ISmtpAuthenticationModule module = this.connection.authenticationModules[this.currentModule];
if (this.connection.AuthSupported(module))
{
NetworkCredential credential = this.connection.credentials.GetCredential(this.host, this.port, module.AuthenticationType);
if (credential != null)
{
Authorization authorization = this.connection.SetContextAndTryAuthenticate(module, credential, this.m_OuterResult);
if ((authorization != null) && (authorization.Message != null))
{
IAsyncResult result = AuthCommand.BeginSend(this.connection, this.connection.authenticationModules[this.currentModule].AuthenticationType, authorization.Message, authenticateCallback, this);
if (!result.CompletedSynchronously)
{
return;
}
LineInfo info = AuthCommand.EndSend(result);
if (info.StatusCode == ((SmtpStatusCode)0x14e))
{
this.authResponse = info.Line;
if (!this.AuthenticateContinue())
{
return;
}
}
else if (info.StatusCode == ((SmtpStatusCode)0xeb))
{
module.CloseContext(this.connection);
this.connection.isConnected = true;
break;
}
}
}
}
}
}
this.connection.isConnected = true;
base.InvokeCallback();
}
