DSCP support, tentative
[exim.git] / src / src / transports / smtp.c
index 6ec94d5da45bb0a2fae2369095f6678710d73d14..5322cc58dac3492f05a435c466a0876161dd6219 100644 (file)
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2012 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 #include "../exim.h"
@@ -55,6 +55,8 @@ optionlist smtp_transport_options[] = {
       (void *)offsetof(smtp_transport_options_block, dns_qualify_single) },
   { "dns_search_parents",   opt_bool,
       (void *)offsetof(smtp_transport_options_block, dns_search_parents) },
+  { "dscp",                 opt_stringptr,
+      (void *)offsetof(smtp_transport_options_block, dscp) },
   { "fallback_hosts",       opt_stringptr,
       (void *)offsetof(smtp_transport_options_block, fallback_hosts) },
   { "final_timeout",        opt_time,
@@ -62,6 +64,9 @@ optionlist smtp_transport_options[] = {
   { "gethostbyname",        opt_bool,
       (void *)offsetof(smtp_transport_options_block, gethostbyname) },
 #ifdef SUPPORT_TLS
+  /* These are no longer honoured, as of Exim 4.80; for now, we silently
+  ignore; a later release will warn, and a later-still release will remove
+  these options, so that using them becomes an error. */
   { "gnutls_require_kx",    opt_stringptr,
       (void *)offsetof(smtp_transport_options_block, gnutls_require_kx) },
   { "gnutls_require_mac",   opt_stringptr,
@@ -126,6 +131,8 @@ optionlist smtp_transport_options[] = {
       (void *)offsetof(smtp_transport_options_block, tls_certificate) },
   { "tls_crl",              opt_stringptr,
       (void *)offsetof(smtp_transport_options_block, tls_crl) },
+  { "tls_dh_min_bits",      opt_int,
+      (void *)offsetof(smtp_transport_options_block, tls_dh_min_bits) },
   { "tls_privatekey",       opt_stringptr,
       (void *)offsetof(smtp_transport_options_block, tls_privatekey) },
   { "tls_require_ciphers",  opt_stringptr,
@@ -157,6 +164,7 @@ smtp_transport_options_block smtp_transport_option_defaults = {
   NULL,                /* interface */
   NULL,                /* port */
   US"smtp",            /* protocol */
+  NULL,                /* DSCP */
   NULL,                /* serialize_hosts */
   NULL,                /* hosts_try_auth */
   NULL,                /* hosts_require_auth */
@@ -192,9 +200,11 @@ smtp_transport_options_block smtp_transport_option_defaults = {
   NULL,                /* gnutls_require_kx */
   NULL,                /* gnutls_require_mac */
   NULL,                /* gnutls_require_proto */
+  NULL,                /* tls_sni */
   NULL,                /* tls_verify_certificates */
-  TRUE,                /* tls_tempfail_tryclear */
-  NULL                 /* tls_sni */
+  EXIM_CLIENT_DH_DEFAULT_MIN_BITS,
+                       /* tls_dh_min_bits */
+  TRUE                 /* tls_tempfail_tryclear */
 #endif
 #ifndef DISABLE_DKIM
  ,NULL,                /* dkim_canon */
@@ -938,7 +948,7 @@ if (continue_hostname == NULL)
   {
   inblock.sock = outblock.sock =
     smtp_connect(host, host_af, port, interface, ob->connect_timeout,
-      ob->keepalive);   /* This puts port into host->port */
+      ob->keepalive, ob->dscp);   /* This puts port into host->port */
 
   if (inblock.sock < 0)
     {
@@ -1133,9 +1143,7 @@ if (tls_offered && !suppress_tls &&
       ob->tls_verify_certificates,
       ob->tls_crl,
       ob->tls_require_ciphers,
-      ob->gnutls_require_mac,
-      ob->gnutls_require_kx,
-      ob->gnutls_require_proto,
+      ob->tls_dh_min_bits,
       ob->command_timeout);
 
     /* TLS negotiation failed; give an error. From outside, this function may