Support dnssec in verify-callout use of smtp transport.

Use of dnslookup router support is already present.

3 files changed, 16 insertions, 5 deletions

diff --git a/src/src/host.c b/src/src/host.c
index 05bcbe8c7..a1db7717e 100644
--- a/src/src/host.c
+++ b/src/src/host.c
@@ -1624,7 +1624,7 @@ while ((ordername = string_nextinlist(&list, &sep, buffer, sizeof(buffer)))
   {
   if (strcmpic(ordername, US"bydns") == 0)
     {
-    dns_init(FALSE, FALSE, FALSE);	/*XXX dnssec? */
+    dns_init(FALSE, FALSE, FALSE);    /* dnssec ctrl by dns_dnssec_ok glbl */
     dns_build_reverse(sender_host_address, buffer);
     rc = dns_lookup(&dnsa, buffer, T_PTR, NULL);
 
diff --git a/src/src/lookups/dnsdb.c b/src/src/lookups/dnsdb.c
index ef3376505..5c077fb31 100644
--- a/src/src/lookups/dnsdb.c
+++ b/src/src/lookups/dnsdb.c
@@ -362,7 +362,7 @@ while ((domain = string_nextinlist(&keystring, &sep, buffer, sizeof(buffer)))
       {
       if (defer_mode == DEFER)
 	{
-	dns_init(FALSE, FALSE, FALSE);
+	dns_init(FALSE, FALSE, FALSE);			/* clr dnssec bit */
 	return DEFER;					/* always defer */
 	}
       if (defer_mode == PASS) failrc = DEFER;         /* defer only if all do */
diff --git a/src/src/verify.c b/src/src/verify.c
index f799ff1de..c5ffdae4e 100644
--- a/src/src/verify.c
+++ b/src/src/verify.c
@@ -379,7 +379,7 @@ else if (Ustrcmp(addr->transport->driver_name, "smtp") != 0)
 else
   {
   smtp_transport_options_block *ob =
-    (smtp_transport_options_block *)(addr->transport->options_block);
+    (smtp_transport_options_block *)addr->transport->options_block;
 
   /* The information wasn't available in the cache, so we have to do a real
   callout and save the result in the cache for next time, unless no_cache is set,
@@ -1749,9 +1749,20 @@ while (addr_new != NULL)
                   string_is_ip_address(host->name, NULL) != 0)
                 (void)host_find_byname(host, NULL, flags, &canonical_name, TRUE);
               else
+		{
+		uschar * d_request = NULL, * d_require = NULL;
+		if (Ustrcmp(addr->transport->driver_name, "smtp") == 0)
+		  {
+		  smtp_transport_options_block * ob =
+		      (smtp_transport_options_block *)
+			addr->transport->options_block;
+		  d_request = ob->dnssec_request_domains;
+		  d_require = ob->dnssec_require_domains;
+		  }
+
                 (void)host_find_bydns(host, NULL, flags, NULL, NULL, NULL,
-		  NULL, NULL,	/*XXX todo: dnssec */
-                  &canonical_name, NULL);
+		  d_request, d_require, &canonical_name, NULL);
+		}
               }
             }
           }