I18N: support IDNA2008. Bug 1911
[exim.git] / src / src / verify.c
index 11f1e10eb2f027d3de99c954d825ee7ca9cacd44..0959b00512832edfad2f109fa2cad2b87591ac24 100644 (file)
@@ -39,7 +39,8 @@ static tree_node *dnsbl_cache = NULL;
 #define MT_NOT 1
 #define MT_ALL 2
 
-static uschar cutthrough_response(char, uschar **);
+static uschar cutthrough_response(char, uschar **, int);
+
 
 
 /*************************************************
@@ -461,7 +462,7 @@ can do it there for the non-rcpt-verify case.  For this we keep an addresscount.
                transport_rcpt_address(addr,
                  (addr->transport == NULL)? FALSE :
                   addr->transport->rcpt_include_affixes)) >= 0 &&
-             cutthrough_response('2', &resp) == '2';
+             cutthrough_response('2', &resp, CUTTHROUGH_DATA_TIMEOUT) == '2';
 
            /* This would go horribly wrong if a callout fail was ignored by ACL.
            We punt by abandoning cutthrough on a reject, like the
@@ -683,6 +684,9 @@ can do it there for the non-rcpt-verify case.  For this we keep an addresscount.
     if (!smtps || (smtps && tls_out.active >= 0))
 #endif
       {
+#ifdef TCP_QUICKACK
+      (void) setsockopt(inblock.sock, IPPROTO_TCP, TCP_QUICKACK, US &off, sizeof(off));
+#endif
       if (!(done= smtp_read_response(&inblock, responsebuffer, sizeof(responsebuffer), '2', callout)))
         goto RESPONSE_FAILED;
 
@@ -756,7 +760,7 @@ can do it there for the non-rcpt-verify case.  For this we keep an addresscount.
        : 0;
       }
 
-    size_str = peer_offered & PEER_OFFERED_SIZE
+    size_str = options & vopt_is_recipient && peer_offered & PEER_OFFERED_SIZE
       ? string_sprintf(" SIZE=%d", message_size + ob->size_addition) : US"";
 
 #ifdef SUPPORT_TLS
@@ -936,11 +940,10 @@ can do it there for the non-rcpt-verify case.  For this we keep an addresscount.
       }
     else if (  addr->prop.utf8_msg
            && (addr->prop.utf8_downcvt || !(peer_offered & PEER_OFFERED_UTF8))
-           && (setflag(addr, af_utf8_downcvt),
-               from_address = string_address_utf8_to_alabel(from_address,
-                                     &addr->message),
-               addr->message
-           )  )
+           && !(setflag(addr, af_utf8_downcvt),
+                from_address = string_address_utf8_to_alabel(from_address,
+                                     &addr->message)
+           )   )
       {
       errno = ERRNO_EXPANDFAIL;
       setflag(addr, af_verify_nsfail);
@@ -1117,16 +1120,14 @@ can do it there for the non-rcpt-verify case.  For this we keep an addresscount.
 
 #ifdef SUPPORT_I18N
        /*XXX should the conversion be moved into transport_rcpt_address() ? */
-       uschar * dummy_errstr = NULL;
        if (  testflag(addr, af_utf8_downcvt)
-          && (rcpt = string_address_utf8_to_alabel(rcpt, &dummy_errstr),
-              dummy_errstr
-          )  )
-       {
-       errno = ERRNO_EXPANDFAIL;
-       *failure_ptr = US"recipient";
-       done = FALSE;
-       }
+          && !(rcpt = string_address_utf8_to_alabel(rcpt, NULL))
+          )
+         {
+         errno = ERRNO_EXPANDFAIL;
+         *failure_ptr = US"recipient";
+         done = FALSE;
+         }
        else
 #endif
 
@@ -1300,8 +1301,14 @@ can do it there for the non-rcpt-verify case.  For this we keep an addresscount.
       if (options & vopt_callout_recipsender)
         cancel_cutthrough_connection("not usable for cutthrough");
       if (send_quit)
+       {
        (void) smtp_write_command(&outblock, FALSE, "QUIT\r\n");
 
+       /* Wait a short time for response, and discard it */
+       smtp_read_response(&inblock, responsebuffer, sizeof(responsebuffer),
+         '2', 1);
+       }
+
 #ifdef SUPPORT_TLS
       tls_close(FALSE, TRUE);
 #endif
@@ -1519,7 +1526,7 @@ return cutthrough_puts(US"\r\n", 2);
 
 /* Get and check response from cutthrough target */
 static uschar
-cutthrough_response(char expect, uschar ** copy)
+cutthrough_response(char expect, uschar ** copy, int timeout)
 {
 smtp_inblock inblock;
 uschar inbuffer[4096];
@@ -1531,7 +1538,7 @@ inblock.ptr = inbuffer;
 inblock.ptrend = inbuffer;
 inblock.sock = cutthrough.fd;
 /* this relies on (inblock.sock == tls_out.active) */
-if(!smtp_read_response(&inblock, responsebuffer, sizeof(responsebuffer), expect, CUTTHROUGH_DATA_TIMEOUT))
+if(!smtp_read_response(&inblock, responsebuffer, sizeof(responsebuffer), expect, timeout))
   cancel_cutthrough_connection("target timeout on read");
 
 if(copy != NULL)
@@ -1560,7 +1567,7 @@ cutthrough_puts(US"DATA\r\n", 6);
 cutthrough_flush_send();
 
 /* Assume nothing buffered.  If it was it gets ignored. */
-return cutthrough_response('3', NULL) == '3';
+return cutthrough_response('3', NULL, CUTTHROUGH_DATA_TIMEOUT) == '3';
 }
 
 
@@ -1622,7 +1629,9 @@ if(cutthrough.fd >= 0)
   HDEBUG(D_transport|D_acl|D_v) debug_printf("  SMTP>> QUIT\n");
   _cutthrough_puts(US"QUIT\r\n", 6);   /* avoid recursion */
   _cutthrough_flush_send();
-  /* No wait for response */
+
+  /* Wait a short time for response, and discard it */
+  cutthrough_response('2', NULL, 1);
 
   #ifdef SUPPORT_TLS
   tls_close(FALSE, TRUE);
@@ -1664,7 +1673,7 @@ if(  !cutthrough_puts(US".", 1)
   )
   return cutthrough.addr.message;
 
-res = cutthrough_response('2', &cutthrough.addr.message);
+res = cutthrough_response('2', &cutthrough.addr.message, CUTTHROUGH_DATA_TIMEOUT);
 for (addr = &cutthrough.addr; addr; addr = addr->next)
   {
   addr->message = cutthrough.addr.message;
@@ -2904,9 +2913,8 @@ DEBUG(D_ident) debug_printf("doing ident callback\n");
 to the incoming interface address. If the sender host address is an IPv6
 address, the incoming interface address will also be IPv6. */
 
-host_af = (Ustrchr(sender_host_address, ':') == NULL)? AF_INET : AF_INET6;
-sock = ip_socket(SOCK_STREAM, host_af);
-if (sock < 0) return;
+host_af = Ustrchr(sender_host_address, ':') == NULL ? AF_INET : AF_INET6;
+if ((sock = ip_socket(SOCK_STREAM, host_af)) < 0) return;
 
 if (ip_bind(sock, host_af, interface_address, 0) < 0)
   {
@@ -2915,19 +2923,15 @@ if (ip_bind(sock, host_af, interface_address, 0) < 0)
   goto END_OFF;
   }
 
-if (ip_connect(sock, host_af, sender_host_address, port, rfc1413_query_timeout)
-     < 0)
+if (ip_connect(sock, host_af, sender_host_address, port,
+               rfc1413_query_timeout, TRUE) < 0)
   {
   if (errno == ETIMEDOUT && LOGGING(ident_timeout))
-    {
     log_write(0, LOG_MAIN, "ident connection to %s timed out",
       sender_host_address);
-    }
   else
-    {
     DEBUG(D_ident) debug_printf("ident connection to %s failed: %s\n",
       sender_host_address, strerror(errno));
-    }
   goto END_OFF;
   }