Use dedicated union member for option offsets
[users/jgh/exim.git] / src / src / transports / smtp.c
index 7428134d403cba9d9947c41805b6c07329f39aac..58fe055b7dc94bf71a414af584a80bd359802fca 100644 (file)
@@ -18,195 +18,126 @@ over TCP/IP. The options must be in alphabetic order (note that "_" comes
 before the lower case letters). Some live in the transport_instance block so as
 to be publicly visible; these are flagged with opt_public. */
 
+#define LOFF(field) OPT_OFF(smtp_transport_options_block, field)
+
 optionlist smtp_transport_options[] = {
   { "*expand_multi_domain",             opt_stringptr | opt_hidden | opt_public,
-      (void *)offsetof(transport_instance, expand_multi_domain) },
+      OPT_OFF(transport_instance, expand_multi_domain) },
   { "*expand_retry_include_ip_address", opt_stringptr | opt_hidden,
-       (void *)(offsetof(smtp_transport_options_block, expand_retry_include_ip_address)) },
+      LOFF(expand_retry_include_ip_address) },
 
   { "address_retry_include_sender", opt_bool,
-      (void *)offsetof(smtp_transport_options_block, address_retry_include_sender) },
-  { "allow_localhost",      opt_bool,
-      (void *)offsetof(smtp_transport_options_block, allow_localhost) },
+      LOFF(address_retry_include_sender) },
+  { "allow_localhost",      opt_bool,     LOFF(allow_localhost) },
 #ifdef EXPERIMENTAL_ARC
-  { "arc_sign", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, arc_sign) },
-#endif
-  { "authenticated_sender", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, authenticated_sender) },
-  { "authenticated_sender_force", opt_bool,
-      (void *)offsetof(smtp_transport_options_block, authenticated_sender_force) },
-  { "command_timeout",      opt_time,
-      (void *)offsetof(smtp_transport_options_block, command_timeout) },
-  { "connect_timeout",      opt_time,
-      (void *)offsetof(smtp_transport_options_block, connect_timeout) },
+  { "arc_sign", opt_stringptr,            LOFF(arc_sign) },
+#endif
+  { "authenticated_sender", opt_stringptr, LOFF(authenticated_sender) },
+  { "authenticated_sender_force", opt_bool, LOFF(authenticated_sender_force) },
+  { "command_timeout",      opt_time,     LOFF(command_timeout) },
+  { "connect_timeout",      opt_time,     LOFF(connect_timeout) },
   { "connection_max_messages", opt_int | opt_public,
-      (void *)offsetof(transport_instance, connection_max_messages) },
+      OPT_OFF(transport_instance, connection_max_messages) },
 # ifdef SUPPORT_DANE
-  { "dane_require_tls_ciphers", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, dane_require_tls_ciphers) },
+  { "dane_require_tls_ciphers", opt_stringptr, LOFF(dane_require_tls_ciphers) },
 # endif
-  { "data_timeout",         opt_time,
-      (void *)offsetof(smtp_transport_options_block, data_timeout) },
-  { "delay_after_cutoff", opt_bool,
-      (void *)offsetof(smtp_transport_options_block, delay_after_cutoff) },
+  { "data_timeout",         opt_time,     LOFF(data_timeout) },
+  { "delay_after_cutoff", opt_bool,       LOFF(delay_after_cutoff) },
 #ifndef DISABLE_DKIM
-  { "dkim_canon", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, dkim.dkim_canon) },
-  { "dkim_domain", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, dkim.dkim_domain) },
-  { "dkim_hash", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, dkim.dkim_hash) },
-  { "dkim_identity", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, dkim.dkim_identity) },
-  { "dkim_private_key", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, dkim.dkim_private_key) },
-  { "dkim_selector", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, dkim.dkim_selector) },
-  { "dkim_sign_headers", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, dkim.dkim_sign_headers) },
-  { "dkim_strict", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, dkim.dkim_strict) },
-  { "dkim_timestamps", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, dkim.dkim_timestamps) },
-#endif
-  { "dns_qualify_single",   opt_bool,
-      (void *)offsetof(smtp_transport_options_block, dns_qualify_single) },
-  { "dns_search_parents",   opt_bool,
-      (void *)offsetof(smtp_transport_options_block, dns_search_parents) },
-  { "dnssec_request_domains", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, dnssec.request) },
-  { "dnssec_require_domains", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, dnssec.require) },
-  { "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,
-      (void *)offsetof(smtp_transport_options_block, final_timeout) },
-  { "gethostbyname",        opt_bool,
-      (void *)offsetof(smtp_transport_options_block, gethostbyname) },
-  { "helo_data",            opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, helo_data) },
-  { "hosts",                opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts) },
-  { "hosts_avoid_esmtp",    opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_avoid_esmtp) },
-  { "hosts_avoid_pipelining", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_avoid_pipelining) },
+  { "dkim_canon", opt_stringptr,          LOFF(dkim.dkim_canon) },
+  { "dkim_domain", opt_stringptr,         LOFF(dkim.dkim_domain) },
+  { "dkim_hash", opt_stringptr,                   LOFF(dkim.dkim_hash) },
+  { "dkim_identity", opt_stringptr,       LOFF(dkim.dkim_identity) },
+  { "dkim_private_key", opt_stringptr,    LOFF(dkim.dkim_private_key) },
+  { "dkim_selector", opt_stringptr,       LOFF(dkim.dkim_selector) },
+  { "dkim_sign_headers", opt_stringptr,           LOFF(dkim.dkim_sign_headers) },
+  { "dkim_strict", opt_stringptr,         LOFF(dkim.dkim_strict) },
+  { "dkim_timestamps", opt_stringptr,     LOFF(dkim.dkim_timestamps) },
+#endif
+  { "dns_qualify_single",   opt_bool,     LOFF(dns_qualify_single) },
+  { "dns_search_parents",   opt_bool,     LOFF(dns_search_parents) },
+  { "dnssec_request_domains", opt_stringptr, LOFF(dnssec.request) },
+  { "dnssec_require_domains", opt_stringptr, LOFF(dnssec.require) },
+  { "dscp",                 opt_stringptr, LOFF(dscp) },
+  { "fallback_hosts",       opt_stringptr, LOFF(fallback_hosts) },
+  { "final_timeout",        opt_time,     LOFF(final_timeout) },
+  { "gethostbyname",        opt_bool,     LOFF(gethostbyname) },
+  { "helo_data",            opt_stringptr, LOFF(helo_data) },
+  { "hosts",                opt_stringptr, LOFF(hosts) },
+  { "hosts_avoid_esmtp",    opt_stringptr, LOFF(hosts_avoid_esmtp) },
+  { "hosts_avoid_pipelining", opt_stringptr, LOFF(hosts_avoid_pipelining) },
 #ifndef DISABLE_TLS
-  { "hosts_avoid_tls",      opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_avoid_tls) },
+  { "hosts_avoid_tls",      opt_stringptr, LOFF(hosts_avoid_tls) },
 #endif
-  { "hosts_max_try",        opt_int,
-      (void *)offsetof(smtp_transport_options_block, hosts_max_try) },
-  { "hosts_max_try_hardlimit", opt_int,
-      (void *)offsetof(smtp_transport_options_block, hosts_max_try_hardlimit) },
+  { "hosts_max_try",        opt_int,      LOFF(hosts_max_try) },
+  { "hosts_max_try_hardlimit", opt_int,           LOFF(hosts_max_try_hardlimit) },
 #ifndef DISABLE_TLS
-  { "hosts_nopass_tls",     opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_nopass_tls) },
-  { "hosts_noproxy_tls",    opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_noproxy_tls) },
+  { "hosts_nopass_tls",     opt_stringptr, LOFF(hosts_nopass_tls) },
+  { "hosts_noproxy_tls",    opt_stringptr, LOFF(hosts_noproxy_tls) },
 #endif
-  { "hosts_override",       opt_bool,
-      (void *)offsetof(smtp_transport_options_block, hosts_override) },
+  { "hosts_override",       opt_bool,     LOFF(hosts_override) },
 #ifndef DISABLE_PIPE_CONNECT
-  { "hosts_pipe_connect",   opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_pipe_connect) },
+  { "hosts_pipe_connect",   opt_stringptr, LOFF(hosts_pipe_connect) },
 #endif
-  { "hosts_randomize",      opt_bool,
-      (void *)offsetof(smtp_transport_options_block, hosts_randomize) },
+  { "hosts_randomize",      opt_bool,     LOFF(hosts_randomize) },
 #if !defined(DISABLE_TLS) && !defined(DISABLE_OCSP)
-  { "hosts_request_ocsp",   opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_request_ocsp) },
+  { "hosts_request_ocsp",   opt_stringptr, LOFF(hosts_request_ocsp) },
 #endif
-  { "hosts_require_auth",   opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_require_auth) },
+  { "hosts_require_auth",   opt_stringptr, LOFF(hosts_require_auth) },
 #ifndef DISABLE_TLS
 # ifdef SUPPORT_DANE
-  { "hosts_require_dane",   opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_require_dane) },
+  { "hosts_require_dane",   opt_stringptr, LOFF(hosts_require_dane) },
 # endif
 # ifndef DISABLE_OCSP
-  { "hosts_require_ocsp",   opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_require_ocsp) },
+  { "hosts_require_ocsp",   opt_stringptr, LOFF(hosts_require_ocsp) },
 # endif
-  { "hosts_require_tls",    opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_require_tls) },
+  { "hosts_require_tls",    opt_stringptr, LOFF(hosts_require_tls) },
 #endif
-  { "hosts_try_auth",       opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_try_auth) },
-  { "hosts_try_chunking",   opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_try_chunking) },
+  { "hosts_try_auth",       opt_stringptr, LOFF(hosts_try_auth) },
+  { "hosts_try_chunking",   opt_stringptr, LOFF(hosts_try_chunking) },
 #ifdef SUPPORT_DANE
-  { "hosts_try_dane",       opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_try_dane) },
+  { "hosts_try_dane",       opt_stringptr, LOFF(hosts_try_dane) },
 #endif
-  { "hosts_try_fastopen",   opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_try_fastopen) },
+  { "hosts_try_fastopen",   opt_stringptr, LOFF(hosts_try_fastopen) },
 #ifndef DISABLE_PRDR
-  { "hosts_try_prdr",       opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_try_prdr) },
+  { "hosts_try_prdr",       opt_stringptr, LOFF(hosts_try_prdr) },
 #endif
 #ifndef DISABLE_TLS
-  { "hosts_verify_avoid_tls", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, hosts_verify_avoid_tls) },
-#endif
-  { "interface",            opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, interface) },
-  { "keepalive",            opt_bool,
-      (void *)offsetof(smtp_transport_options_block, keepalive) },
-  { "lmtp_ignore_quota",    opt_bool,
-      (void *)offsetof(smtp_transport_options_block, lmtp_ignore_quota) },
+  { "hosts_verify_avoid_tls", opt_stringptr, LOFF(hosts_verify_avoid_tls) },
+#endif
+  { "interface",            opt_stringptr, LOFF(interface) },
+  { "keepalive",            opt_bool,     LOFF(keepalive) },
+  { "lmtp_ignore_quota",    opt_bool,     LOFF(lmtp_ignore_quota) },
   { "max_rcpt",             opt_int | opt_public,
-      (void *)offsetof(transport_instance, max_addresses) },
+      OPT_OFF(transport_instance, max_addresses) },
   { "multi_domain",         opt_expand_bool | opt_public,
-      (void *)offsetof(transport_instance, multi_domain) },
-  { "port",                 opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, port) },
-  { "protocol",             opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, protocol) },
-  { "retry_include_ip_address", opt_expand_bool,
-      (void *)offsetof(smtp_transport_options_block, retry_include_ip_address) },
-  { "serialize_hosts",      opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, serialize_hosts) },
-  { "size_addition",        opt_int,
-      (void *)offsetof(smtp_transport_options_block, size_addition) },
+      OPT_OFF(transport_instance, multi_domain) },
+  { "port",                 opt_stringptr, LOFF(port) },
+  { "protocol",             opt_stringptr, LOFF(protocol) },
+  { "retry_include_ip_address", opt_expand_bool, LOFF(retry_include_ip_address) },
+  { "serialize_hosts",      opt_stringptr, LOFF(serialize_hosts) },
+  { "size_addition",        opt_int,      LOFF(size_addition) },
 #ifdef SUPPORT_SOCKS
-  { "socks_proxy",          opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, socks_proxy) },
+  { "socks_proxy",          opt_stringptr, LOFF(socks_proxy) },
 #endif
 #ifndef DISABLE_TLS
-  { "tls_certificate",      opt_stringptr,
-      (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,
-      (void *)offsetof(smtp_transport_options_block, tls_require_ciphers) },
+  { "tls_certificate",      opt_stringptr, LOFF(tls_certificate) },
+  { "tls_crl",              opt_stringptr, LOFF(tls_crl) },
+  { "tls_dh_min_bits",      opt_int,      LOFF(tls_dh_min_bits) },
+  { "tls_privatekey",       opt_stringptr, LOFF(tls_privatekey) },
+  { "tls_require_ciphers",  opt_stringptr, LOFF(tls_require_ciphers) },
 # ifdef EXPERIMENTAL_TLS_RESUME
-  { "tls_resumption_hosts", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, tls_resumption_hosts) },
+  { "tls_resumption_hosts", opt_stringptr, LOFF(tls_resumption_hosts) },
 # endif
-  { "tls_sni",              opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, tls_sni) },
-  { "tls_tempfail_tryclear", opt_bool,
-      (void *)offsetof(smtp_transport_options_block, tls_tempfail_tryclear) },
-  { "tls_try_verify_hosts", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, tls_try_verify_hosts) },
-  { "tls_verify_cert_hostnames", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block,tls_verify_cert_hostnames)},
-  { "tls_verify_certificates", opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, tls_verify_certificates) },
-  { "tls_verify_hosts",     opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, tls_verify_hosts) },
+  { "tls_sni",              opt_stringptr, LOFF(tls_sni) },
+  { "tls_tempfail_tryclear", opt_bool, LOFF(tls_tempfail_tryclear) },
+  { "tls_try_verify_hosts", opt_stringptr, LOFF(tls_try_verify_hosts) },
+  { "tls_verify_cert_hostnames", opt_stringptr, LOFF(tls_verify_cert_hostnames)},
+  { "tls_verify_certificates", opt_stringptr, LOFF(tls_verify_certificates) },
+  { "tls_verify_hosts",     opt_stringptr, LOFF(tls_verify_hosts) },
 #endif
 #ifdef SUPPORT_I18N
-  { "utf8_downconvert",            opt_stringptr,
-      (void *)offsetof(smtp_transport_options_block, utf8_downconvert) },
+  { "utf8_downconvert",            opt_stringptr, LOFF(utf8_downconvert) },
 #endif
 };
 
@@ -537,6 +468,7 @@ Arguments:
   host           if set, mark addrs as having used this host
   smtp_greeting  from peer
   helo_response  from peer
+  start                 points to timestamp of delivery start
 
 If errno_value has the special value ERRNO_CONNECTTIMEOUT, ETIMEDOUT is put in
 the errno field, and RTEF_CTOUT is ORed into the more_errno field, to indicate
@@ -547,23 +479,29 @@ Returns:       nothing
 
 static void
 set_errno(address_item *addrlist, int errno_value, uschar *msg, int rc,
-  BOOL pass_message, host_item * host
+  BOOL pass_message, host_item * host,
 #ifdef EXPERIMENTAL_DSN_INFO
-  , const uschar * smtp_greeting, const uschar * helo_response
+  const uschar * smtp_greeting, const uschar * helo_response,
 #endif
+  struct timeval * start
   )
 {
 int orvalue = 0;
+struct timeval deliver_time;
+
 if (errno_value == ERRNO_CONNECTTIMEOUT)
   {
   errno_value = ETIMEDOUT;
   orvalue = RTEF_CTOUT;
   }
+timesince(&deliver_time, start);
+
 for (address_item * addr = addrlist; addr; addr = addr->next)
   if (addr->transport_return >= PENDING)
     {
     addr->basic_errno = errno_value;
     addr->more_errno |= orvalue;
+    addr->delivery_time = deliver_time;
     if (msg)
       {
       addr->message = msg;
@@ -587,14 +525,14 @@ for (address_item * addr = addrlist; addr; addr = addr->next)
 }
 
 static void
-set_errno_nohost(address_item *addrlist, int errno_value, uschar *msg, int rc,
-  BOOL pass_message)
+set_errno_nohost(address_item * addrlist, int errno_value, uschar * msg, int rc,
+  BOOL pass_message, struct timeval * start)
 {
-set_errno(addrlist, errno_value, msg, rc, pass_message, NULL
+set_errno(addrlist, errno_value, msg, rc, pass_message, NULL,
 #ifdef EXPERIMENTAL_DSN_INFO
-         , NULL, NULL
+         NULL, NULL,
 #endif
-         );
+         start);
 }
 
 
@@ -1227,7 +1165,7 @@ while (count-- > 0)
     {
     uschar *message = string_sprintf("SMTP timeout after RCPT TO:<%s>",
                transport_rcpt_address(addr, sx->conn_args.tblock->rcpt_include_affixes));
-    set_errno_nohost(sx->first_addr, ETIMEDOUT, message, DEFER, FALSE);
+    set_errno_nohost(sx->first_addr, ETIMEDOUT, message, DEFER, FALSE, &sx->delivery_start);
     retry_add_item(addr, addr->address_retry_key, 0);
     update_waiting = FALSE;
     return -1;
@@ -1445,7 +1383,7 @@ switch(rc)
 
   case ERROR:
     set_errno_nohost(sx->addrlist, ERRNO_AUTHPROB, string_copy(sx->buffer),
-             DEFER, FALSE);
+             DEFER, FALSE, &sx->delivery_start);
     return ERROR;
   }
 return OK;
@@ -1614,7 +1552,7 @@ if (require_auth == OK && !f.smtp_authenticated)
   {
   set_errno_nohost(sx->addrlist, ERRNO_AUTHFAIL,
     string_sprintf("authentication required but %s", fail_reason), DEFER,
-    FALSE);
+    FALSE, &sx->delivery_start);
   return DEFER;
   }
 
@@ -1625,9 +1563,9 @@ return OK;
 /* Construct AUTH appendix string for MAIL TO */
 /*
 Arguments
-  buffer       to build string
+  sx           context for smtp connection
+  p            point in sx->buffer to build string
   addrlist      chain of potential addresses to deliver
-  ob           transport options
 
 Globals                f.smtp_authenticated
                client_authenticated_sender
@@ -1635,29 +1573,31 @@ Return  True on error, otherwise buffer has (possibly empty) terminated string
 */
 
 static BOOL
-smtp_mail_auth_str(uschar *buffer, unsigned bufsize, address_item *addrlist,
-                   smtp_transport_options_block *ob)
+smtp_mail_auth_str(smtp_context * sx, uschar * p, address_item * addrlist)
 {
+smtp_transport_options_block * ob = sx->conn_args.ob;
 uschar * local_authenticated_sender = authenticated_sender;
 
 #ifdef notdef
-  debug_printf("smtp_mail_auth_str: as<%s> os<%s> SA<%s>\n", authenticated_sender, ob->authenticated_sender, f.smtp_authenticated?"Y":"N");
+  debug_printf("smtp_mail_auth_str: as<%s> os<%s> SA<%s>\n",
+    authenticated_sender, ob->authenticated_sender, f.smtp_authenticated?"Y":"N");
 #endif
 
 if (ob->authenticated_sender)
   {
-  uschar *new = expand_string(ob->authenticated_sender);
+  uschar * new = expand_string(ob->authenticated_sender);
   if (!new)
     {
     if (!f.expand_string_forcedfail)
       {
       uschar *message = string_sprintf("failed to expand "
         "authenticated_sender: %s", expand_string_message);
-      set_errno_nohost(addrlist, ERRNO_EXPANDFAIL, message, DEFER, FALSE);
+      set_errno_nohost(addrlist, ERRNO_EXPANDFAIL, message, DEFER, FALSE, &sx->delivery_start);
       return TRUE;
       }
     }
-  else if (*new) local_authenticated_sender = new;
+  else if (*new)
+    local_authenticated_sender = new;
   }
 
 /* Add the authenticated sender address if present */
@@ -1665,13 +1605,13 @@ if (ob->authenticated_sender)
 if (  (f.smtp_authenticated || ob->authenticated_sender_force)
    && local_authenticated_sender)
   {
-  string_format_nt(buffer, bufsize, " AUTH=%s",
+  string_format_nt(p, sizeof(sx->buffer) - (p-sx->buffer), " AUTH=%s",
     auth_xtextencode(local_authenticated_sender,
       Ustrlen(local_authenticated_sender)));
   client_authenticated_sender = string_copy(local_authenticated_sender);
   }
 else
-  *buffer= 0;
+  *= 0;
 
 return FALSE;
 }
@@ -2046,7 +1986,7 @@ tls_modify_variables(&tls_out);
 if (sx->smtps)
   {
   set_errno_nohost(sx->addrlist, ERRNO_TLSFAILURE, US"TLS support not available",
-           DEFER, FALSE);
+           DEFER, FALSE, &sx->delivery_start);
   return ERROR;
   }
 #endif
@@ -2085,7 +2025,7 @@ if (!continue_hostname)
          default:              set_errno_nohost(sx->addrlist, ERRNO_DNSDEFER,
                                  string_sprintf("DANE error: tlsa lookup %s",
                                    rc_to_string(rc)),
-                                 rc, FALSE);
+                                 rc, FALSE, &sx->delivery_start);
 # ifndef DISABLE_EVENT
                                (void) event_raise(sx->conn_args.tblock->event_action,
                                  US"dane:fail", sx->dane_required
@@ -2098,7 +2038,7 @@ if (!continue_hostname)
       {
       set_errno_nohost(sx->addrlist, ERRNO_DNSDEFER,
        string_sprintf("DANE error: %s lookup not DNSSEC", sx->conn_args.host->name),
-       FAIL, FALSE);
+       FAIL, FALSE, &sx->delivery_start);
 # ifndef DISABLE_EVENT
       (void) event_raise(sx->conn_args.tblock->event_action,
        US"dane:fail", US"dane-required");
@@ -2149,7 +2089,7 @@ if (!continue_hostname)
       set_errno_nohost(sx->addrlist,
        errno == ETIMEDOUT ? ERRNO_CONNECTTIMEOUT : errno,
        sx->verify ? US strerror(errno) : NULL,
-       DEFER, FALSE);
+       DEFER, FALSE, &sx->delivery_start);
       sx->send_quit = FALSE;
       return DEFER;
       }
@@ -2216,7 +2156,7 @@ will be?  Somehow I doubt it. */
        {
        set_errno_nohost(sx->addrlist, ERRNO_EXPANDFAIL,
          string_sprintf("deferred by smtp:connect event expansion: %s", s),
-         DEFER, FALSE);
+         DEFER, FALSE, &sx->delivery_start);
        yield = DEFER;
        goto SEND_QUIT;
        }
@@ -2230,7 +2170,7 @@ will be?  Somehow I doubt it. */
       {
       message = string_sprintf("failed to expand helo_data: %s",
         expand_string_message);
-      set_errno_nohost(sx->addrlist, ERRNO_EXPANDFAIL, message, DEFER, FALSE);
+      set_errno_nohost(sx->addrlist, ERRNO_EXPANDFAIL, message, DEFER, FALSE, &sx->delivery_start);
       yield = DEFER;
       goto SEND_QUIT;
       }
@@ -2577,7 +2517,7 @@ if (tls_out.active.sock >= 0)
     {
     uschar *message = string_sprintf("failed to expand helo_data: %s",
       expand_string_message);
-    set_errno_nohost(sx->addrlist, ERRNO_EXPANDFAIL, message, DEFER, FALSE);
+    set_errno_nohost(sx->addrlist, ERRNO_EXPANDFAIL, message, DEFER, FALSE, &sx->delivery_start);
     yield = DEFER;
     goto SEND_QUIT;
     }
@@ -2819,7 +2759,7 @@ if (sx->addrlist->prop.utf8_msg)
       {
       message = string_sprintf("failed to expand utf8_downconvert: %s",
         expand_string_message);
-      set_errno_nohost(sx->addrlist, ERRNO_EXPANDFAIL, message, DEFER, FALSE);
+      set_errno_nohost(sx->addrlist, ERRNO_EXPANDFAIL, message, DEFER, FALSE, &sx->delivery_start);
       yield = DEFER;
       goto SEND_QUIT;
       }
@@ -2879,7 +2819,7 @@ return OK;
       set_errno_nohost(sx->addrlist,
        errno == ETIMEDOUT ? ERRNO_CONNECTTIMEOUT : errno,
        sx->verify ? US strerror(errno) : NULL,
-       DEFER, FALSE);
+       DEFER, FALSE, &sx->delivery_start);
       sx->send_quit = FALSE;
       return DEFER;
       }
@@ -2943,11 +2883,11 @@ FAILED:
 #endif
            ? FAIL : DEFER,
            pass_message,
-           errno == ECONNREFUSED ? NULL : sx->conn_args.host
+           errno == ECONNREFUSED ? NULL : sx->conn_args.host,
 #ifdef EXPERIMENTAL_DSN_INFO
-           , sx->smtp_greeting, sx->helo_response
+           sx->smtp_greeting, sx->helo_response,
 #endif
-           );
+           &sx->delivery_start);
   }
 
 
@@ -3089,10 +3029,7 @@ Other expansion failures are serious. An empty result is ignored, but there is
 otherwise no check - this feature is expected to be used with LMTP and other
 cases where non-standard addresses (e.g. without domains) might be required. */
 
-if (smtp_mail_auth_str(p, sizeof(sx->buffer) - (p-sx->buffer), addrlist, sx->conn_args.ob))
-  return ERROR;
-
-return OK;
+return smtp_mail_auth_str(sx, p, addrlist) ? ERROR : OK;
 }
 
 
@@ -3178,7 +3115,7 @@ sx->pending_MAIL = TRUE;     /* The block starts with MAIL */
     {
     if (s = string_address_utf8_to_alabel(s, &errstr), errstr)
       {
-      set_errno_nohost(sx->addrlist, ERRNO_EXPANDFAIL, errstr, DEFER, FALSE);
+      set_errno_nohost(sx->addrlist, ERRNO_EXPANDFAIL, errstr, DEFER, FALSE, &sx->delivery_start);
       *yield = ERROR;
       return -4;
       }
@@ -3472,6 +3409,9 @@ Returns:          OK    - the connection was made and the delivery attempted;
                           and there was a problem setting it up; OR helo_data
                           or add_headers or authenticated_sender is specified
                           for this transport, and the string failed to expand
+
+               For all non-OK returns the first addr of the list carries the
+               time taken for the attempt.
 */
 
 static int
@@ -3483,14 +3423,12 @@ smtp_transport_options_block * ob = SOB tblock->options_block;
 int yield = OK;
 int save_errno;
 int rc;
-struct timeval start_delivery_time;
 
 BOOL pass_message = FALSE;
 uschar *message = NULL;
 uschar new_message_id[MESSAGE_ID_LENGTH + 1];
 smtp_context * sx = store_get(sizeof(*sx), TRUE);      /* tainted, for the data buffers */
 
-gettimeofday(&start_delivery_time, NULL);
 suppress_tls = suppress_tls;  /* stop compiler warning when no TLS support */
 *message_defer = FALSE;
 
@@ -3503,13 +3441,17 @@ sx->conn_args.interface = interface;
 sx->helo_data = NULL;
 sx->conn_args.tblock = tblock;
 /* sx->verify = FALSE; */
+gettimeofday(&sx->delivery_start, NULL);
 sx->sync_addr = sx->first_addr = addrlist;
 
 /* Get the channel set up ready for a message (MAIL FROM being the next
 SMTP command to send */
 
 if ((rc = smtp_setup_conn(sx, suppress_tls)) != OK)
+  {
+  timesince(&addrlist->delivery_time, &sx->delivery_start);
   return rc;
+  }
 
 /* If there is a filter command specified for this transport, we can now
 set it up. This cannot be done until the identify of the host is known. */
@@ -3526,7 +3468,7 @@ if (tblock->filter_command)
        string_sprintf("%.50s transport", tblock->name), NULL))
     {
     set_errno_nohost(addrlist->next, addrlist->basic_errno, addrlist->message, DEFER,
-      FALSE);
+      FALSE, &sx->delivery_start);
     yield = ERROR;
     goto SEND_QUIT;
     }
@@ -3605,7 +3547,7 @@ else
        {
        /*XXX could we find a better errno than 0 here? */
        set_errno_nohost(addrlist, 0, a->message, FAIL,
-         testflag(a, af_pass_message));
+         testflag(a, af_pass_message), &sx->delivery_start);
        sx->ok = FALSE;
        break;
        }
@@ -3858,7 +3800,7 @@ else
     int len;
     uschar * conf = NULL;
 
-    timesince(&delivery_time, &start_delivery_time);
+    timesince(&delivery_time, &sx->delivery_start);
     sx->send_rset = FALSE;
     pipelining_active = FALSE;
 
@@ -3933,9 +3875,8 @@ else
       actual host that was used. */
 
       addr->transport_return = OK;
-      addr->more_errno = delivery_time.tv_sec;
-      addr->delivery_usec = delivery_time.tv_usec;
       addr->host_used = host;
+      addr->delivery_time = delivery_time;
       addr->special_action = flag;
       addr->message = conf;
 
@@ -4165,11 +4106,11 @@ if (!sx->ok)
       }
     }
 
-  set_errno(addrlist, save_errno, set_message, set_rc, pass_message, host
+  set_errno(addrlist, save_errno, set_message, set_rc, pass_message, host,
 #ifdef EXPERIMENTAL_DSN_INFO
-           , sx->smtp_greeting, sx->helo_response
+           sx->smtp_greeting, sx->helo_response,
 #endif
-           );
+           &sx->delivery_start);
   }
 
 /* If all has gone well, send_quit will be set TRUE, implying we can end the
@@ -4304,11 +4245,11 @@ if (sx->completed_addr && sx->ok && sx->send_quit)
            socket_fd = pfd[1];
          else
            set_errno(sx->first_addr, errno, US"internal allocation problem",
-                   DEFER, FALSE, host
+                   DEFER, FALSE, host,
 # ifdef EXPERIMENTAL_DSN_INFO
-                   , sx->smtp_greeting, sx->helo_response
+                   sx->smtp_greeting, sx->helo_response,
 # endif
-                   );
+                   &sx->delivery_start);
          }
       else
 #endif
@@ -4365,11 +4306,11 @@ propagate it from the initial
 
     /* If RSET failed and there are addresses left, they get deferred. */
     else
-      set_errno(sx->first_addr, errno, msg, DEFER, FALSE, host
+      set_errno(sx->first_addr, errno, msg, DEFER, FALSE, host,
 #ifdef EXPERIMENTAL_DSN_INFO
-                 , sx->smtp_greeting, sx->helo_response
+                 sx->smtp_greeting, sx->helo_response,
 #endif
-                 );
+                 &sx->delivery_start);
     }
   }
 
@@ -5094,7 +5035,9 @@ retry_non_continued:
 
     if (f.dont_deliver)
       {
-      set_errno_nohost(addrlist, 0, NULL, OK, FALSE);
+      struct timeval now;
+      gettimeofday(&now, NULL);
+      set_errno_nohost(addrlist, 0, NULL, OK, FALSE, &now);
       for (address_item * addr = addrlist; addr; addr = addr->next)
         {
         addr->host_used = host;