X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/53947857fdb3c00bb673f6d2ac326dc4ccf01c6e..1f4a55daf88541563ceaa66959acb9127604b15a:/src/src/host.c

diff --git a/src/src/host.c b/src/src/host.c
index c45c2d77b..03d944334 100644
--- a/src/src/host.c
+++ b/src/src/host.c
@@ -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. */
 
 /* Functions for finding hosts, either by gethostbyname(), gethostbyaddr(), or
@@ -1597,7 +1597,7 @@ dns_record *rr;
 dns_answer dnsa;
 dns_scan dnss;
 
-host_lookup_deferred = host_lookup_failed = FALSE;
+sender_host_dnssec = host_lookup_deferred = host_lookup_failed = FALSE;
 
 HDEBUG(D_host_lookup)
   debug_printf("looking up host name for %s\n", sender_host_address);
@@ -1639,6 +1639,13 @@ while ((ordername = string_nextinlist(&list, &sep, buffer, sizeof(buffer)))
       int count = 0;
       int old_pool = store_pool;
 
+      /* Ideally we'd check DNSSEC both forward and reverse, but we use the
+      gethost* routines for forward, so can't do that unless/until we rewrite. */
+      sender_host_dnssec = dns_is_secure(&dnsa);
+      DEBUG(D_dns)
+        debug_printf("Reverse DNS security status: %s\n",
+            sender_host_dnssec ? "DNSSEC verified (AD)" : "unverified");
+
       store_pool = POOL_PERM;        /* Save names in permanent storage */
 
       for (rr = dns_next_rr(&dnsa, &dnss, RESET_ANSWERS);