* RFC 2821 - Simple Mail Transfer Protocol
* RFC 2822 - Internet Message Format
* RFC 2920 - SMTP Service Extension for Command Pipelining
- *
+ *
* The VRFY and EXPN commands have been removed from this implementation
* because nobody uses these commands anymore, except for spammers.
*
eNextState SMTP_C_ConnFail(AsyncIO *IO);
eNextState SMTP_C_DispatchReadDone(AsyncIO *IO);
eNextState SMTP_C_DispatchWriteDone(AsyncIO *IO);
+eNextState SMTP_C_DNSFail(AsyncIO *IO);
eNextState SMTP_C_Terminate(AsyncIO *IO);
eReadState SMTP_C_ReadServerStatus(AsyncIO *IO);
******************************************************************************/
void FinalizeMessageSend(SmtpOutMsg *Msg)
{
- syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
-
- if (DecreaseQReference(Msg->MyQItem))
- {
- int nRemain;
- StrBuf *MsgData;
+ int IDestructQueItem;
+ int nRemain;
+ StrBuf *MsgData;
+ AsyncIO *IO = &Msg->IO;
+ EVS_syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
+
+ IDestructQueItem = DecreaseQReference(Msg->MyQItem);
- nRemain = CountActiveQueueEntries(Msg->MyQItem);
+ nRemain = CountActiveQueueEntries(Msg->MyQItem);
+ if ((nRemain > 0) || IDestructQueItem)
MsgData = SerializeQueueItem(Msg->MyQItem);
- /*
- * Uncompleted delivery instructions remain, so delete the old
- * instructions and replace with the updated ones.
- */
- CtdlDeleteMessages(SMTP_SPOOLOUT_ROOM, &Msg->MyQItem->QueMsgID, 1, "");
- smtpq_do_bounce(Msg->MyQItem,
- Msg->msgtext);
- if (nRemain > 0) {
- struct CtdlMessage *msg;
- msg = malloc(sizeof(struct CtdlMessage));
- memset(msg, 0, sizeof(struct CtdlMessage));
- msg->cm_magic = CTDLMESSAGE_MAGIC;
- msg->cm_anon_type = MES_NORMAL;
- msg->cm_format_type = FMT_RFC822;
- msg->cm_fields['M'] = SmashStrBuf(&MsgData);
- CtdlSubmitMsg(msg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
- CtdlFreeMessage(msg);
- }
- else {
- CtdlDeleteMessages(SMTP_SPOOLOUT_ROOM, &Msg->MyQItem->MessageID, 1, "");
- FreeStrBuf(&MsgData);
- }
+ else
+ MsgData = NULL;
- RemoveQItem(Msg->MyQItem);
+ /*
+ * Uncompleted delivery instructions remain, so delete the old
+ * instructions and replace with the updated ones.
+ */
+ EVS_syslog(LOG_DEBUG, "SMTPQD: %ld", Msg->MyQItem->QueMsgID);
+ CtdlDeleteMessages(SMTP_SPOOLOUT_ROOM, &Msg->MyQItem->QueMsgID, 1, "");
+
+ if (IDestructQueItem)
+ smtpq_do_bounce(Msg->MyQItem,Msg->msgtext);
+
+ if (nRemain > 0)
+ {
+ struct CtdlMessage *msg;
+ msg = malloc(sizeof(struct CtdlMessage));
+ memset(msg, 0, sizeof(struct CtdlMessage));
+ msg->cm_magic = CTDLMESSAGE_MAGIC;
+ msg->cm_anon_type = MES_NORMAL;
+ msg->cm_format_type = FMT_RFC822;
+ msg->cm_fields['M'] = SmashStrBuf(&MsgData);
+ Msg->MyQItem->QueMsgID =
+ CtdlSubmitMsg(msg, NULL, SMTP_SPOOLOUT_ROOM, QP_EADDR);
+ EVS_syslog(LOG_DEBUG, "SMTPQ: %ld", Msg->MyQItem->QueMsgID);
+ CtdlFreeMessage(msg);
}
+ else {
+ CtdlDeleteMessages(SMTP_SPOOLOUT_ROOM,
+ &Msg->MyQItem->MessageID,
+ 1,
+ "");
+ FreeStrBuf(&MsgData);
+ }
+ if (IDestructQueItem)
+ RemoveQItem(Msg->MyQItem);
RemoveContext(Msg->IO.CitContext);
DeleteSmtpOutMsg(Msg);
eNextState FailOneAttempt(AsyncIO *IO)
{
SmtpOutMsg *SendMsg = IO->Data;
+
+ if (SendMsg->MyQEntry->Status == 2)
+ return eAbort;
+
/*
* possible ways here:
* - connection timeout
if (SendMsg->mx_host == NULL)
SendMsg->mx_host = "<no MX-Record>";
- syslog(LOG_DEBUG,
- "SMTP client[%ld]: connecting to %s [%s]:%d ...\n",
- SendMsg->n,
- SendMsg->mx_host,
- buf,
- SendMsg->IO.ConnectMe->Port);
+ EVS_syslog(LOG_DEBUG,
+ "SMTP client[%ld]: connecting to %s [%s]:%d ...\n",
+ SendMsg->n,
+ SendMsg->mx_host,
+ buf,
+ SendMsg->IO.ConnectMe->Port);
SendMsg->MyQEntry->Status = 5;
StrBufPrintf(SendMsg->MyQEntry->StatusMessage,
{
SmtpOutMsg *SendMsg = IO->Data;
- syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
+ EVS_syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
IO->ConnectMe = SendMsg->pCurrRelay;
/* Bypass the ns lookup result like this: IO->Addr.sin_addr.s_addr = inet_addr("127.0.0.1"); */
InitC_ares_dns(IO);
- syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
+ EVS_syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
- syslog(LOG_DEBUG,
- "SMTP client[%ld]: looking up %s-Record %s : %d ...\n",
- SendMsg->n,
- (SendMsg->pCurrRelay->IPv6)? "aaaa": "a",
- SendMsg->pCurrRelay->Host,
- SendMsg->pCurrRelay->Port);
+ EVS_syslog(LOG_DEBUG,
+ "SMTP client[%ld]: looking up %s-Record %s : %d ...\n",
+ SendMsg->n,
+ (SendMsg->pCurrRelay->IPv6)? "aaaa": "a",
+ SendMsg->pCurrRelay->Host,
+ SendMsg->pCurrRelay->Port);
if (!QueueQuery((SendMsg->pCurrRelay->IPv6)? ns_t_aaaa : ns_t_a,
SendMsg->pCurrRelay->Host,
QueryCbDone(IO);
- syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
+ EVS_syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
pp = &SendMsg->Relay;
while ((pp != NULL) && (*pp != NULL) && ((*pp)->Next != NULL))
pp = &(*pp)->Next;
{
SmtpOutMsg * SendMsg = IO->Data;
- syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
+ EVS_syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
/* start resolving MX records here. */
if (!QueueQuery(ns_t_mx,
SendMsg->node,
SendMsg->IO.Terminate = SMTP_C_Terminate;
SendMsg->IO.LineReader = SMTP_C_ReadServerStatus;
SendMsg->IO.ConnFail = SMTP_C_ConnFail;
+ SendMsg->IO.DNSFail = SMTP_C_DNSFail;
SendMsg->IO.Timeout = SMTP_C_Timeout;
SendMsg->IO.ShutdownAbort = SMTP_C_Shutdown;
SubC->session_specific_data = (char*) SendMsg;
SendMsg->IO.CitContext = SubC;
+ syslog(LOG_DEBUG, "SMTP Starting: [%ld] <%s> \n",
+ SendMsg->MyQItem->MessageID,
+ ChrPtr(SendMsg->MyQEntry->Recipient));
if (SendMsg->pCurrRelay == NULL)
QueueEventContext(&SendMsg->IO,
resolve_mx_records);
void SMTPSetTimeout(eNextState NextTCPState, SmtpOutMsg *pMsg)
{
double Timeout = 0.0;
+ AsyncIO *IO = &pMsg->IO;
- syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
+ EVS_syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
switch (NextTCPState) {
+ case eSendFile:
case eSendReply:
case eSendMore:
Timeout = SMTP_C_SendTimeouts[pMsg->State];
case eSendDNSQuery:
case eReadDNSReply:
case eDBQuery:
+ case eReadFile:
case eReadMore:
case eReadPayload:
case eConnect:
}
eNextState SMTP_C_DispatchReadDone(AsyncIO *IO)
{
- syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
+ EVS_syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
SmtpOutMsg *pMsg = IO->Data;
eNextState rc;
rc = ReadHandlers[pMsg->State](pMsg);
- pMsg->State++;
- SMTPSetTimeout(rc, pMsg);
+ if (rc != eAbort)
+ {
+ pMsg->State++;
+ SMTPSetTimeout(rc, pMsg);
+ }
return rc;
}
eNextState SMTP_C_DispatchWriteDone(AsyncIO *IO)
{
- syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
+ EVS_syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
SmtpOutMsg *pMsg = IO->Data;
eNextState rc;
{
SmtpOutMsg *pMsg = IO->Data;
- syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
+ EVS_syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
FinalizeMessageSend(pMsg);
return eAbort;
}
{
SmtpOutMsg *pMsg = IO->Data;
- syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
+ EVS_syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
StrBufPlain(IO->ErrMsg, CKEY(ReadErrors[pMsg->State]));
return FailOneAttempt(IO);
}
{
SmtpOutMsg *pMsg = IO->Data;
- syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
+ EVS_syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
+ StrBufPlain(IO->ErrMsg, CKEY(ReadErrors[pMsg->State]));
+ return FailOneAttempt(IO);
+}
+eNextState SMTP_C_DNSFail(AsyncIO *IO)
+{
+ SmtpOutMsg *pMsg = IO->Data;
+
+ EVS_syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
StrBufPlain(IO->ErrMsg, CKEY(ReadErrors[pMsg->State]));
return FailOneAttempt(IO);
}
eNextState SMTP_C_Shutdown(AsyncIO *IO)
{
- syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
+ EVS_syslog(LOG_DEBUG, "SMTP: %s\n", __FUNCTION__);
SmtpOutMsg *pMsg = IO->Data;
pMsg->MyQEntry->Status = 3;