This enables Exim to use a single SMTP transaction for sending to two entirely
different domains that happen to end up pointing at the same hosts.
+We do not try to batch up different A-record host names that refer to the
+same IP.
+
Arguments:
one points to the first host list
two points to the second host list
if (LOGGING(tls_cipher) && addr->cipher)
{
g = string_append(g, 2, US" X=", addr->cipher);
-#ifdef EXPERIMENTAL_TLS_RESUME
+#ifndef DISABLE_TLS_RESUME
if (LOGGING(tls_resumption) && testflag(addr, af_tls_resume))
g = string_catn(g, US"*", 1);
#endif
if (*queue_name)
g = string_append(g, 2, US" Q=", queue_name);
-#ifdef EXPERIMENTAL_SRS
+#ifdef EXPERIMENTAL_SRS_ALT
if(addr->prop.srs_sender)
g = string_append(g, 3, US" SRS=<", addr->prop.srs_sender, US">");
#endif
if (addr->host_used)
{
g = d_hostlog(g, addr);
- if (continue_sequence > 1)
+ if (continue_sequence > 1) /*XXX this is wrong for a dropped proxyconn. Would have to pass back from transport */
g = string_catn(g, US"*", 1);
#ifndef DISABLE_EVENT
g = string_fmt_append(g, " defer (%d)", addr->basic_errno);
if (addr->basic_errno > 0)
- g = string_append(g, 2, US": ",
- US strerror(addr->basic_errno));
+ g = string_append(g, 2, US": ", US strerror(addr->basic_errno));
if (addr->host_used)
- {
- g = string_append(g, 5,
- US" H=", addr->host_used->name,
- US" [", addr->host_used->address, US"]");
- if (LOGGING(outgoing_port))
- {
- int port = addr->host_used->port;
- g = string_fmt_append(g, ":%d", port == PORT_NONE ? 25 : port);
- }
- }
+ g = d_hostlog(g, addr);
if (LOGGING(deliver_time))
g = string_append(g, 2, US" DT=", string_timediff(&addr->delivery_time));
Returns: nothing
*/
-static void
+void
deliver_local(address_item *addr, BOOL shadowing)
{
BOOL use_initgroups;
if(addr->prop.errors_address)
return_path = addr->prop.errors_address;
-#ifdef EXPERIMENTAL_SRS
+#ifdef EXPERIMENTAL_SRS_ALT
else if (addr->prop.srs_sender)
return_path = addr->prop.srs_sender;
#endif
if (tp->return_path)
{
- uschar *new_return_path = expand_string(tp->return_path);
- if (!new_return_path)
- {
- if (!f.expand_string_forcedfail)
- {
- common_error(TRUE, addr, ERRNO_EXPANDFAIL,
- US"Failed to expand return path \"%s\" in %s transport: %s",
- tp->return_path, tp->name, expand_string_message);
- return;
- }
+ uschar * new_return_path = expand_string(tp->return_path);
+ if (new_return_path)
+ return_path = new_return_path;
+ else if (!f.expand_string_forcedfail)
+ {
+ common_error(TRUE, addr, ERRNO_EXPANDFAIL,
+ US"Failed to expand return path \"%s\" in %s transport: %s",
+ tp->return_path, tp->name, expand_string_message);
+ return;
}
- else return_path = new_return_path;
}
/* For local deliveries, one at a time, the value used for logging can just be
}
}
+/*XXX need to defeat this when DANE is used - but we don't know that yet.
+So look out for the place it gets used.
+*/
+
/* Get the flag which specifies whether the transport can handle different
domains that nevertheless resolve to the same set of hosts. If it needs
expanding, get variables set: $address_data, $domain_data, $localpart_data,
/************************************************************************/
+/*XXX don't know yet if DANE will be used. So tpt will have to
+check at the point if gets next addr from list, and skip/defer any
+nonmatch domains
+*/
+
/* Pick off all addresses which have the same transport, errors address,
destination, and extra headers. In some cases they point to the same host
list, but we also need to check for identical host lists generated from
if(addr->prop.errors_address)
return_path = addr->prop.errors_address;
-#ifdef EXPERIMENTAL_SRS
+#ifdef EXPERIMENTAL_SRS_ALT
else if(addr->prop.srs_sender)
return_path = addr->prop.srs_sender;
#endif
if (continue_transport)
{
BOOL ok = Ustrcmp(continue_transport, tp->name) == 0;
+/*XXX do we need to check for a DANEd conn vs. a change of domain? */
/* If the transport is about to override the host list do not check
it here but take the cost of running the transport process to discover
#ifdef SUPPORT_DANE
if (tls_out.dane_verified) setflag(addr, af_dane_verified);
#endif
-# ifdef EXPERIMENTAL_TLS_RESUME
+# ifndef DISABLE_TLS_RESUME
if (tls_out.resumption & RESUME_USED) setflag(addr, af_tls_resume);
# endif
static void
print_dsn_diagnostic_code(const address_item *addr, FILE *f)
{
-uschar *s = testflag(addr, af_pass_message) ? addr->message : NULL;
+uschar * s = testflag(addr, af_pass_message) ? addr->message : NULL;
+unsigned cnt;
/* af_pass_message and addr->message set ? print remote host answer */
if (s)
if (!(s = Ustrstr(addr->message, ": ")))
return; /* not found, bail out */
s += 2; /* skip ": " */
- fprintf(f, "Diagnostic-Code: smtp; ");
+ cnt = fprintf(f, "Diagnostic-Code: smtp; ");
}
/* no message available. do nothing */
else return;
while (*s)
+ {
+ if (cnt > 950) /* RFC line length limit: 998 */
+ {
+ DEBUG(D_deliver) debug_printf("print_dsn_diagnostic_code() truncated line\n");
+ fputs("[truncated]", f);
+ break;
+ }
+
if (*s == '\\' && s[1] == 'n')
{
fputs("\n ", f); /* as defined in RFC 3461 */
s += 2;
+ cnt += 2;
}
else
+ {
fputc(*s++, f);
+ cnt++;
+ }
+ }
fputc('\n', f);
}
/* If this is a run to continue deliveries to an external channel that is
-already set up, defer any local deliveries. */
+already set up, defer any local deliveries.
-if (continue_transport)
+jgh 2020/12/20: I don't see why; locals should be quick.
+The defer goes back to version 1.62 in 1997. A local being still deliverable
+during a continued run might result from something like a defer during the
+original delivery, eg. in a DB lookup. Unlikely but possible.
+
+To avoid delaying a local when combined with a callout-hold for a remote
+delivery, test continue_sequence rather than continue_transport. */
+
+if (continue_sequence > 1 && addr_local)
{
+ DEBUG(D_deliver|D_retry|D_route)
+ debug_printf("deferring local deliveries due to continued-transport\n");
if (addr_defer)
{
- address_item *addr = addr_defer;
+ address_item * addr = addr_defer;
while (addr->next) addr = addr->next;
addr->next = addr_local;
}
fprintf(fp, "Remote-MTA: X-ip; [%s]%s\n", hu->address, p);
}
if ((s = addr->smtp_greeting) && *s)
- fprintf(fp, "X-Remote-MTA-smtp-greeting: X-str; %s\n", s);
+ fprintf(fp, "X-Remote-MTA-smtp-greeting: X-str; %.900s\n", s);
if ((s = addr->helo_response) && *s)
- fprintf(fp, "X-Remote-MTA-helo-response: X-str; %s\n", s);
+ fprintf(fp, "X-Remote-MTA-helo-response: X-str; %.900s\n", s);
if ((s = addr->message) && *s)
- fprintf(fp, "X-Exim-Diagnostic: X-str; %s\n", s);
+ fprintf(fp, "X-Exim-Diagnostic: X-str; %.900s\n", s);
}
#endif
print_dsn_diagnostic_code(addr, fp);
git://git.exim.org / exim.git / blobdiff