static int deliver_message(DELIVER_REQUEST *request)
{
SMTP_STATE *state;
int result;
if (msg_verbose)
msg_info("deliver_message: from %s", request->sender);
/*
* Sanity checks. The smtp server is unprivileged and chrooted, so we can
* afford to distribute the data censoring code, instead of having it all
* in one place.
*/
if (request->nexthop[0] == 0)
msg_fatal("empty nexthop hostname");
if (request->rcpt_list.len <= 0)
msg_fatal("recipient count: %d", request->rcpt_list.len);
/*
* Initialize. Bundle all information about the delivery request, so that
* we can produce understandable diagnostics when something goes wrong
* many levels below. The alternative would be to make everything global.
*/
state = smtp_state_alloc();
state->request = request;
state->src = request->fp;
SMTP_RCPT_INIT(state);
/*
* Establish an SMTP session and deliver this message to all requested
* recipients. At the end, notify the postmaster of any protocol errors.
* Optionally deliver mail locally when this machine is the best mail
* exchanger.
*/
result = smtp_connect(state);
/*
* Clean up.
*/
smtp_chat_reset(state);
smtp_state_free(state);
return (result);
}
void smtp_session_free(SMTP_SESSION *session)
{
#ifdef USE_TLS
if (session->stream) {
vstream_fflush(session->stream);
if (session->tls_context)
tls_client_stop(smtp_tls_ctx, session->stream,
var_smtp_starttls_tmout, 0, session->tls_context);
}
if (session->tls_protocols)
myfree(session->tls_protocols);
if (session->tls_grade)
myfree(session->tls_grade);
if (session->tls_exclusions)
vstring_free(session->tls_exclusions);
if (session->tls_matchargv)
argv_free(session->tls_matchargv);
#endif
if (session->stream)
vstream_fclose(session->stream);
myfree(session->dest);
myfree(session->host);
myfree(session->addr);
myfree(session->namaddr);
myfree(session->namaddrport);
if (session->helo)
myfree(session->helo);
vstring_free(session->buffer);
vstring_free(session->scratch);
vstring_free(session->scratch2);
if (session->history)
smtp_chat_reset(session);
if (session->mime_state)
mime_state_free(session->mime_state);
#ifdef USE_SASL_AUTH
smtp_sasl_cleanup(session);
#endif
debug_peer_restore();
myfree((char *) session);
}
void smtp_session_free(SMTP_SESSION *session)
{
#ifdef USE_TLS
if (session->stream) {
vstream_fflush(session->stream);
}
if (session->tls_context) {
if (session->features &
(SMTP_FEATURE_FROM_CACHE | SMTP_FEATURE_FROM_PROXY))
tls_proxy_context_free(session->tls_context);
else
tls_client_stop(smtp_tls_ctx, session->stream,
var_smtp_starttls_tmout, 0, session->tls_context);
}
#endif
if (session->stream)
vstream_fclose(session->stream);
myfree(session->namaddr);
myfree(session->namaddrport);
if (session->helo)
myfree(session->helo);
vstring_free(session->buffer);
vstring_free(session->scratch);
vstring_free(session->scratch2);
if (session->history)
smtp_chat_reset(session);
if (session->mime_state)
mime_state_free(session->mime_state);
#ifdef USE_SASL_AUTH
smtp_sasl_cleanup(session);
#endif
debug_peer_restore();
myfree((void *) session);
}