Revert "GnuTLS: lose DH-param setup, for recent library versions where no longer...

[exim.git] / src / src / smtp_out.c

diff --git a/src/src/smtp_out.c b/src/src/smtp_out.c
index eae74da00fedb3a1e6811103821c4d9e94d7052f..46713d4b741dd8e664bcaa8f96cc07f074e4bcf1 100644 (file)
--- a/src/src/smtp_out.c
+++ b/src/src/smtp_out.c
@@ -3,7 +3,7 @@
 *************************************************/
 
 /* Copyright (c) University of Cambridge 1995 - 2018 */
-/* Copyright (c) The Exim Maintainers 2020 */
+/* Copyright (c) The Exim Maintainers 2020 - 2021 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* A number of functions for driving outgoing SMTP calls. */
@@ -27,7 +27,7 @@ Arguments:
                which case the function does nothing
   host_af    AF_INET or AF_INET6 for the outgoing IP address
   addr       the mail address being handled (for setting errors)
-  interface  point this to the interface
+  interface  point this to the interface if there is one defined
   msg        to add to any error message
 
 Returns:     TRUE on success, FALSE on failure, with error message
@@ -53,11 +53,8 @@ if (!(expint = expand_string(istring)))
   return FALSE;
   }
 
-if (is_tainted(expint))
+if (is_tainted2(expint, LOG_MAIN|LOG_PANIC, "Tainted value '%s' from '%s' for interface", expint, istring))
   {
-  log_write(0, LOG_MAIN|LOG_PANIC,
-    "attempt to use tainted value '%s' from '%s' for interface",
-    expint, istring);
   addr->transport_return = PANIC;
   addr->message = string_sprintf("failed to expand \"interface\" "
       "option for %s: configuration error", msg);
@@ -67,11 +64,10 @@ if (is_tainted(expint))
 Uskip_whitespace(&expint);
 if (!*expint) return TRUE;
 
-/* we just tested to ensure no taint, so big_buffer is ok */
-while ((iface = string_nextinlist(&expint, &sep, big_buffer,
-          big_buffer_size)))
+while ((iface = string_nextinlist(&expint, &sep, NULL, 0)))
   {
-  if (string_is_ip_address(iface, NULL) == 0)
+  int if_af = string_is_ip_address(iface, NULL);
+  if (if_af == 0)
     {
     addr->transport_return = PANIC;
     addr->message = string_sprintf("\"%s\" is not a valid IP "
@@ -80,11 +76,11 @@ while ((iface = string_nextinlist(&expint, &sep, big_buffer,
     return FALSE;
     }
 
-  if (((Ustrchr(iface, ':') == NULL)? AF_INET:AF_INET6) == host_af)
+  if ((if_af == 4 ? AF_INET : AF_INET6) == host_af)
     break;
   }
 
-if (iface) *interface = string_copy(iface);
+*interface = iface;
 return TRUE;
 }
 
@@ -759,6 +755,7 @@ for (;;)
 /* Get here if there has been some kind of recv() error; errno is set, but we
 ensure that the result buffer is empty before returning. */
 
+inblock->ptr = inblock->ptrend = inblock->buffer;
 *buffer = 0;
 return -1;
 }