void
SMTPClientConnection::ParseData(const AnsiString &Request)
//---------------------------------------------------------------------------()
// DESCRIPTION:
// Parses a server SMTP cmmand.
//---------------------------------------------------------------------------()
{
multi_line_response_buffer_ += Request;
if (multi_line_response_buffer_.GetLength() > 10000)
{
UpdateAllRecipientsWithError_(500, "Unexpected response from server (too long).", false);
return;
}
if (Request.GetLength() > 3 && (Request.GetAt(3) == '-'))
{
// Multi-line response. Wait for full buffer.
multi_line_response_buffer_ += "\r\n";
EnqueueRead();
return;
}
bool postReceive = InternalParseData(multi_line_response_buffer_);
multi_line_response_buffer_.Empty();
if (postReceive)
EnqueueRead();
}
void
SMTPClientConnection::InternalParseData(const AnsiString &Request)
{
LOG_DEBUG("SMTPClientConnection::_ParseASCII()");
String sData = "RECEIVED: " + Request;
LOG_SMTP_CLIENT(GetSessionID(), GetIPAddress().ToString(), sData);
// Below 3 lines is fix of the problem that occurs when the remote server answers
// with 2 line in his welcome message.
String sMinus = "-";
if ((Request.GetLength() > 3) && (Request.GetAt(3) == sMinus.GetAt(0)))
{
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 1");
return;
}
int lFirstSpace = Request.Find(" ");
AnsiString sFirstWordTemp;
if (lFirstSpace < 0)
sFirstWordTemp = Request;
else
sFirstWordTemp = Request.Mid(0, lFirstSpace);
sFirstWordTemp.MakeUpper();
int iCode = atoi(sFirstWordTemp);
// We should not update all recipient's if we've just sent a
// RCPT TO. We should only update the specific one we've just
// sent to.
//
// Also, we should not update state if we've just sent QUIT to
// the server. At the time we send QUIT, the message has already
// been either accepted for delivery and rejected. Any error after
// this isn't relvat.
if (m_CurrentState != RCPTTOSENT && m_CurrentState != QUITSENT)
{
if (IsPermanentNegative(iCode))
{
_UpdateAllRecipientsWithError(iCode, Request, false);
_SendQUIT();
return;
}
else if (IsTransientNegative(iCode))
{
_UpdateAllRecipientsWithError(iCode, Request, false);
_SendQUIT();
return;
}
}
switch (m_CurrentState)
{
case SENDUSERNAME:
_ProtocolSendUsername();
break;
case SENDPASSWORD:
_ProtocolSendPassword();
break;
case PASSWORDCHECK:
if (!_ProtocolPassswordCheck(iCode, Request))
{
// Authentication failed. We have just sent
// a quit command.
return;
}
break;
}
if (m_CurrentState == HELO)
{
if (iCode == 220)
{
String sComputerName = Utilities::ComputerName();
if (m_bUseSMTPAuth)
{
_SendData("EHLO " + sComputerName);
_SetState(EHLOSENT);
}
else
{
_SendData("HELO " + sComputerName);
_SetState(HELOSENT);
}
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 2");
return ;
}
else
{
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 3");
_UpdateAllRecipientsWithError(iCode, Request, false);
_SendQUIT();
return;
}
}
if (m_CurrentState == EHLOSENT)
{
// Ask the server to initiate login process.
_SendData("AUTH LOGIN");
_SetState(SENDUSERNAME);
return ;
}
if (m_CurrentState == HELOSENT)
{
if (IsPositiveCompletion(iCode))
{
// --- Server accepted HELO. Go to HEADER/MAILFROM state.
_SetState(MAILFROM);
}
else
{
_UpdateAllRecipientsWithError(iCode, Request, false);
}
}
if (m_CurrentState == MAILFROM)
{
String sFrom = m_pDeliveryMessage->GetFromAddress();
String sData = "MAIL FROM:<" + sFrom + ">";
_SendData(sData);
m_CurrentState = MAILFROMSENT;
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 4");
return;
}
if (m_CurrentState == MAILFROMSENT)
{
if (IsPositiveCompletion(iCode))
{
// --- Server accepted mail from. Go to header/rcpt to state.
m_CurrentState = RCPTTO;
}
else
{
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 5");
_UpdateAllRecipientsWithError(iCode, Request, false);
}
}
if (m_CurrentState == RCPTTO)
{
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 6");
shared_ptr<MessageRecipient> pRecipient = _GetNextRecipient();
if (!pRecipient)
{
_SendQUIT();
return;
}
String sRecipient = pRecipient->GetAddress();
String sData = "RCPT TO:<" + sRecipient + ">";
_SendData(sData);
m_CurrentState = RCPTTOSENT;
return;
}
if (m_CurrentState == RCPTTOSENT)
{
if (m_iCurRecipient < m_vecRecipients.size())
{
if (IsPositiveCompletion(iCode))
{
_actualRecipients.insert(m_vecRecipients[m_iCurRecipient]);
}
else
{
_UpdateRecipientWithError(iCode, Request, m_vecRecipients[m_iCurRecipient], false);
}
}
shared_ptr<MessageRecipient> pRecipient = _GetNextRecipient();
if (pRecipient)
{
// Send next recipient.
_SendData("RCPT TO:<" + pRecipient->GetAddress() + ">");
m_CurrentState = RCPTTOSENT;
}
else
{
if (_actualRecipients.size() == 0)
{
_SendQUIT();
return;
}
m_CurrentState = DATAQUESTION;
}
}
if (m_CurrentState == DATAQUESTION)
{
_SendData("DATA");
m_CurrentState = DATA;
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 7");
return;
}
if (m_CurrentState == DATA)
{
if (IsPositiveIntermediate(iCode))
{
// Send the data!
const String fileName = PersistentMessage::GetFileName(m_pDeliveryMessage);
LOG_DEBUG("SMTPClientConnection::~_BEFORE SendFile");
_StartSendFile(fileName);
LOG_DEBUG("SMTPClientConnection::~_AFTER SendFile");
return;
}
}
if (m_CurrentState == DATASENT)
{
LOG_DEBUG("SMTPClientConnection::~_BEFORE SendQUIT");
_SendQUIT();
LOG_DEBUG("SMTPClientConnection::~_AFTER SendQUIT");
if (IsPositiveCompletion(iCode))
{
_UpdateSuccessfulRecipients();
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 9");
return;
}
else
{
_UpdateAllRecipientsWithError(iCode, Request, false);
LOG_DEBUG("SMTPClientConnection::~_ParseASCII() - 10");
}
return;
}
if (m_CurrentState == QUITSENT)
{
// We just received a reply on our QUIT. Time to disconnect.
m_bPendingDisconnect = true;
PostDisconnect();
}
}
