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 static void HandshakeCallback(IAsyncResult result)
{
if (!result.CompletedSynchronously)
{
ConnectAndHandshakeAsyncResult thisPtr = (ConnectAndHandshakeAsyncResult)result.AsyncState;
try
{
try
{
LineInfo info = thisPtr._connection.Reader.CurrentReader.EndReadLine(result);
if (info.StatusCode != SmtpStatusCode.ServiceReady)
{
thisPtr.InvokeCallback(new SmtpException(info.StatusCode, info.Line, true));
return;
}
if (!thisPtr.SendEHello())
{
return;
}
}
catch (SmtpException)
{
if (!thisPtr.SendHello())
{
return;
}
}
}
catch (Exception e)
{
thisPtr.InvokeCallback(e);
}
}
}
private static void ConnectionCreatedCallback(object request, object state)
{
GlobalLog.Enter("ConnectAndHandshakeAsyncResult#" + ValidationHelper.HashString(request) + "::ConnectionCreatedCallback");
ConnectAndHandshakeAsyncResult ConnectAndHandshakeAsyncResult = (ConnectAndHandshakeAsyncResult)request;
if (state is Exception)
{
ConnectAndHandshakeAsyncResult.InvokeCallback((Exception)state);
return;
}
SmtpPooledStream pooledStream = (SmtpPooledStream)(PooledStream)state;
try
{
while (pooledStream.creds != null && pooledStream.creds != ConnectAndHandshakeAsyncResult.connection.credentials)
{
GlobalLog.Print("ConnectAndHandshakeAsyncResult#" + ValidationHelper.HashString(request) + "::Connect pooledStream has wrong creds " + ValidationHelper.HashString(pooledStream));
ConnectAndHandshakeAsyncResult.connection.connectionPool.PutConnection(pooledStream,
pooledStream.Owner, ConnectAndHandshakeAsyncResult.connection.Timeout, false);
pooledStream = (SmtpPooledStream)ConnectAndHandshakeAsyncResult.connection.connectionPool.GetConnection((object)ConnectAndHandshakeAsyncResult, ConnectAndHandshakeAsyncResult.m_ConnectionCreatedCallback, ConnectAndHandshakeAsyncResult.connection.Timeout);
if (pooledStream == null)
{
GlobalLog.Leave("ConnectAndHandshakeAsyncResult#" + ValidationHelper.HashString(request) + "::Connect returning asynchronously");
return;
}
}
if (Logging.On)
{
Logging.Associate(Logging.Web, ConnectAndHandshakeAsyncResult.connection, pooledStream);
}
pooledStream.Owner = ConnectAndHandshakeAsyncResult.connection; //needs to be updated for gc reasons
pooledStream.creds = ConnectAndHandshakeAsyncResult.connection.credentials;
lock (ConnectAndHandshakeAsyncResult.connection) {
//if we were cancelled while getting the connection, we should close and return
if (ConnectAndHandshakeAsyncResult.connection.isClosed)
{
ConnectAndHandshakeAsyncResult.connection.connectionPool.PutConnection(pooledStream, pooledStream.Owner, ConnectAndHandshakeAsyncResult.connection.Timeout, false);
GlobalLog.Print("ConnectAndHandshakeAsyncResult#" + ValidationHelper.HashString(request) + "::ConnectionCreatedCallback Connect was aborted " + ValidationHelper.HashString(pooledStream));
ConnectAndHandshakeAsyncResult.InvokeCallback(null);
return;
}
ConnectAndHandshakeAsyncResult.connection.pooledStream = pooledStream;
}
ConnectAndHandshakeAsyncResult.Handshake();
}
catch (Exception e)
{
ConnectAndHandshakeAsyncResult.InvokeCallback(e);
}
GlobalLog.Leave("ConnectAndHandshakeAsyncResult#" + ValidationHelper.HashString(request) + "::ConnectionCreatedCallback pooledStream#" + ValidationHelper.HashString(pooledStream));
}
static void SendStartTlsCallback(IAsyncResult result) //7
{
if (!result.CompletedSynchronously)
{
ConnectAndHandshakeAsyncResult thisPtr = (ConnectAndHandshakeAsyncResult)result.AsyncState;
try
{
StartTlsCommand.EndSend(result);
TlsStream TlsStream = new TlsStream(
thisPtr.connection.pooledStream.ServicePoint.Host,
thisPtr.connection.pooledStream.NetworkStream,
ServicePointManager.CheckCertificateRevocationList,
(SslProtocols)ServicePointManager.SecurityProtocol,
thisPtr.connection.ClientCertificates,
thisPtr.connection.pooledStream.ServicePoint,
thisPtr.connection.client, thisPtr.m_OuterResult.ContextCopy);
thisPtr.connection.pooledStream.NetworkStream = TlsStream;
thisPtr.connection.responseReader = new SmtpReplyReaderFactory(thisPtr.connection.pooledStream.NetworkStream);
thisPtr.SendEHello();
}
catch (Exception e)
{
thisPtr.InvokeCallback(e);
}
}
}
private static void ConnectionCreatedCallback(object request, object state)
{
if (GlobalLog.IsEnabled)
{
GlobalLog.Enter("ConnectAndHandshakeAsyncResult#" + LoggingHash.HashString(request) + "::ConnectionCreatedCallback");
}
ConnectAndHandshakeAsyncResult ConnectAndHandshakeAsyncResult = (ConnectAndHandshakeAsyncResult)request;
if (state is Exception)
{
ConnectAndHandshakeAsyncResult.InvokeCallback((Exception)state);
return;
}
try
{
lock (ConnectAndHandshakeAsyncResult._connection)
{
//if we were cancelled while getting the connection, we should close and return
if (ConnectAndHandshakeAsyncResult._connection._isClosed)
{
ConnectAndHandshakeAsyncResult._connection.ReleaseConnection();
if (GlobalLog.IsEnabled)
{
GlobalLog.Print("ConnectAndHandshakeAsyncResult#" + LoggingHash.HashString(request) + "::ConnectionCreatedCallback Connect was aborted ");
}
ConnectAndHandshakeAsyncResult.InvokeCallback(null);
return;
}
}
ConnectAndHandshakeAsyncResult.Handshake();
}
catch (Exception e)
{
ConnectAndHandshakeAsyncResult.InvokeCallback(e);
}
if (GlobalLog.IsEnabled)
{
GlobalLog.Leave("ConnectAndHandshakeAsyncResult#" + LoggingHash.HashString(request) + "::ConnectionCreatedCallback");
}
}
private static void ConnectionCreatedCallback(object request, object state)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(null, request);
}
ConnectAndHandshakeAsyncResult ConnectAndHandshakeAsyncResult = (ConnectAndHandshakeAsyncResult)request;
if (state is Exception)
{
ConnectAndHandshakeAsyncResult.InvokeCallback((Exception)state);
return;
}
try
{
lock (ConnectAndHandshakeAsyncResult._connection)
{
//if we were cancelled while getting the connection, we should close and return
if (ConnectAndHandshakeAsyncResult._connection._isClosed)
{
ConnectAndHandshakeAsyncResult._connection.ReleaseConnection();
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(null, $"Connect was aborted: {request}");
}
ConnectAndHandshakeAsyncResult.InvokeCallback(null);
return;
}
}
ConnectAndHandshakeAsyncResult.Handshake();
}
catch (Exception e)
{
ConnectAndHandshakeAsyncResult.InvokeCallback(e);
}
if (NetEventSource.IsEnabled)
{
NetEventSource.Exit(null, request);
}
}
private static void SendStartTlsCallback(IAsyncResult result)
{
if (!result.CompletedSynchronously)
{
ConnectAndHandshakeAsyncResult thisPtr = (ConnectAndHandshakeAsyncResult)result.AsyncState;
try
{
StartTlsCommand.EndSend(result);
thisPtr.TlsStreamAuthenticate();
}
catch (Exception e)
{
thisPtr.InvokeCallback(e);
}
}
}
static void SendHelloCallback(IAsyncResult result) //7
{
if (!result.CompletedSynchronously)
{
ConnectAndHandshakeAsyncResult thisPtr = (ConnectAndHandshakeAsyncResult)result.AsyncState;
try
{
HelloCommand.EndSend(result);
thisPtr.Authenticate();
}
catch (Exception e)
{
thisPtr.InvokeCallback(e);
}
}
}
private static void TlsStreamAuthenticateCallback(IAsyncResult result)
{
if (!result.CompletedSynchronously)
{
ConnectAndHandshakeAsyncResult thisPtr = (ConnectAndHandshakeAsyncResult)result.AsyncState;
try
{
(thisPtr._connection._networkStream as TlsStream).EndAuthenticateAsClient(result);
thisPtr._connection._responseReader = new SmtpReplyReaderFactory(thisPtr._connection._networkStream);
thisPtr.SendEHello();
}
catch (Exception e)
{
thisPtr.InvokeCallback(e);
}
}
}
private static void InitializeConnectionCallback(IAsyncResult result)
{
if (!result.CompletedSynchronously)
{
ConnectAndHandshakeAsyncResult thisPtr = (ConnectAndHandshakeAsyncResult)result.AsyncState;
try
{
thisPtr._connection.EndInitializeConnection(result);
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(null, $"Connect returned {thisPtr}");
}
thisPtr.Handshake();
}
catch (Exception e)
{
thisPtr.InvokeCallback(e);
}
}
}
private static void InitializeConnectionCallback(IAsyncResult result)
{
if (!result.CompletedSynchronously)
{
ConnectAndHandshakeAsyncResult thisPtr = (ConnectAndHandshakeAsyncResult)result.AsyncState;
thisPtr._connection.EndInitializeConnection(result);
if (GlobalLog.IsEnabled)
{
GlobalLog.Print("ConnectAndHandshakeAsyncResult#" + LoggingHash.HashString(thisPtr) + "::Connect returned" + LoggingHash.HashString(thisPtr));
}
try
{
thisPtr.Handshake();
}
catch (Exception e)
{
thisPtr.InvokeCallback(e);
}
}
}
private static void SendEHelloCallback(IAsyncResult result)
{
if (!result.CompletedSynchronously)
{
ConnectAndHandshakeAsyncResult thisPtr = (ConnectAndHandshakeAsyncResult)result.AsyncState;
try
{
try
{
thisPtr._connection._extensions = EHelloCommand.EndSend(result);
thisPtr._connection.ParseExtensions(thisPtr._connection._extensions);
// If we already have a SSlStream, this is the second EHLO cmd
// that we sent after TLS handshake compelted. So skip TLS and
// continue with Authenticate.
if (thisPtr._connection._networkStream is TlsStream)
{
thisPtr.Authenticate();
return;
}
}
catch (SmtpException e)
{
if ((e.StatusCode != SmtpStatusCode.CommandUnrecognized) &&
(e.StatusCode != SmtpStatusCode.CommandNotImplemented))
{
throw;
}
if (!thisPtr.SendHello())
{
return;
}
}
if (thisPtr._connection.EnableSsl)
{
if (!thisPtr._connection._serverSupportsStartTls)
{
// Either TLS is already established or server does not support TLS
if (!(thisPtr._connection._networkStream is TlsStream))
{
throw new SmtpException(SR.MailServerDoesNotSupportStartTls);
}
}
thisPtr.SendStartTls();
}
else
{
thisPtr.Authenticate();
}
}
catch (Exception e)
{
thisPtr.InvokeCallback(e);
}
}
}