s3-winbindd: Allow DNS resolution of trusted domains if DNS name is avaliable

[kai/samba.git] / source3 / winbindd / winbindd_cm.c

diff --git a/source3/winbindd/winbindd_cm.c b/source3/winbindd/winbindd_cm.c
index c08530e81957460da7fec0eb6e8542b8abf5e839..0639be1fb545f8cda86a849329f829cc5e70b05b 100644 (file)
--- a/source3/winbindd/winbindd_cm.c
+++ b/source3/winbindd/winbindd_cm.c
@@ -1286,10 +1286,17 @@ static bool get_dcs(TALLOC_CTX *mem_ctx, struct winbindd_domain *domain,
                iplist_size = 0;
         }
 
-       /* Try standard netbios queries if no ADS */
+       /* Try standard netbios queries if no ADS and fall back to DNS queries
+        * if alt_name is available */
        if (*num_dcs == 0) {
                get_sorted_dc_list(domain->name, NULL, &ip_list, &iplist_size,
-                      False);
+                      false);
+               if (iplist_size == 0) {
+                       if (domain->alt_name != NULL) {
+                               get_sorted_dc_list(domain->alt_name, NULL, &ip_list,
+                                      &iplist_size, true);
+                       }
+               }
 
                for ( i=0; i<iplist_size; i++ ) {
                        char addr[INET6_ADDRSTRLEN];