s3:winbindd: report our own name for PING_DC and internal domains

This means "wbinfo --ping-dc" works fine on a DC.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

diff --git a/source3/winbindd/winbindd_ping_dc.c b/source3/winbindd/winbindd_ping_dc.c
index 0a767d9e12d277692c52c7ff3d622534e3e57bad..b5a697779bc7ede9325c2e0a979d8e1732b5faa7 100644 (file)
--- a/source3/winbindd/winbindd_ping_dc.c
+++ b/source3/winbindd/winbindd_ping_dc.c
@@ -54,10 +54,32 @@ struct tevent_req *winbindd_ping_dc_send(TALLOC_CTX *mem_ctx,
                return tevent_req_post(req, ev);
        }
        if (domain->internal) {
+               const char *d = lp_dnsdomain();
+               const char *n = lp_netbios_name();
+
                /*
                 * Internal domains are passdb based, we can always
                 * contact them.
                 */
+
+               if (d != NULL) {
+                       char *h;
+                       h = strlower_talloc(mem_ctx, n);
+                       if (tevent_req_nomem(h, req)) {
+                               return tevent_req_post(req, ev);
+                       }
+
+                       state->dcname = talloc_asprintf(state, "%s.%s", h, d);
+                       if (tevent_req_nomem(state->dcname, req)) {
+                               return tevent_req_post(req, ev);
+                       }
+               } else {
+                       state->dcname = talloc_strdup(state, n);
+                       if (tevent_req_nomem(state->dcname, req)) {
+                               return tevent_req_post(req, ev);
+                       }
+               }
+
                tevent_req_done(req);
                return tevent_req_post(req, ev);
        }