int smtp_stream_except(SMTP_STATE *state, int code, const char *description)
{
SMTP_SESSION *session = state->session;
DSN_BUF *why = state->why;
/*
* Sanity check.
*/
if (session == 0)
msg_panic("smtp_stream_except: no session");
/*
* Initialize.
*/
switch (code) {
default:
msg_panic("smtp_stream_except: unknown exception %d", code);
case SMTP_ERR_EOF:
dsb_simple(why, "4.4.2", "lost connection with %s while %s",
session->namaddr, description);
break;
case SMTP_ERR_TIME:
dsb_simple(why, "4.4.2", "conversation with %s timed out while %s",
session->namaddr, description);
break;
case SMTP_ERR_DATA:
session->error_mask |= MAIL_ERROR_DATA;
dsb_simple(why, "4.3.0", "local data error while talking to %s",
session->namaddr);
}
return (smtp_bulk_fail(state, SMTP_THROTTLE));
}
int smtp_sess_fail(SMTP_STATE *state)
{
/*
* We can't avoid copying copying lots of strings into VSTRING buffers,
* because this error information is collected by a routine that
* terminates BEFORE the error is reported.
*/
return (smtp_bulk_fail(state, SMTP_THROTTLE));
}
int smtp_stream_except(SMTP_STATE *state, int code, const char *description)
{
SMTP_SESSION *session = state->session;
DSN_BUF *why = state->why;
/*
* Sanity check.
*/
if (session == 0)
msg_panic("smtp_stream_except: no session");
/*
* Initialize.
*/
switch (code) {
default:
msg_panic("smtp_stream_except: unknown exception %d", code);
case SMTP_ERR_EOF:
dsb_simple(why, "4.4.2", "lost connection with %s while %s",
session->namaddr, description);
#ifdef USE_TLS
if (PLAINTEXT_FALLBACK_OK_AFTER_TLS_SESSION_FAILURE)
RETRY_AS_PLAINTEXT;
#endif
break;
case SMTP_ERR_TIME:
dsb_simple(why, "4.4.2", "conversation with %s timed out while %s",
session->namaddr, description);
#ifdef USE_TLS
if (PLAINTEXT_FALLBACK_OK_AFTER_TLS_SESSION_FAILURE)
RETRY_AS_PLAINTEXT;
#endif
break;
case SMTP_ERR_DATA:
session->error_mask |= MAIL_ERROR_DATA;
dsb_simple(why, "4.3.0", "local data error while talking to %s",
session->namaddr);
}
/*
* The smtp_bulk_fail() call below will not throttle the destination when
* falling back to plaintext, because RETRY_AS_PLAINTEXT clears the
* FINAL_SERVER flag.
*/
return (smtp_bulk_fail(state, SMTP_THROTTLE));
}
int smtp_mesg_fail(SMTP_STATE *state, const char *mta_name, SMTP_RESP *resp,
const char *format,...)
{
va_list ap;
/*
* Initialize.
*/
va_start(ap, format);
vsmtp_fill_dsn(state, mta_name, resp->dsn, resp->str, format, ap);
va_end(ap);
if (state->session && mta_name)
smtp_check_code(state->session, resp->code);
/*
* Skip, defer or bounce recipients, but don't throttle this queue.
*/
return (smtp_bulk_fail(state, SMTP_NOTHROTTLE));
}
