net: exit early in net_ads_join() if the domain is not set.

Guenther

diff --git a/source/utils/net_ads.c b/source/utils/net_ads.c
index a6712b7172455c187872c29bc89a2879782090ae..b4814521aac628654b42f382095c720dfef087aa 100644 (file)
--- a/source/utils/net_ads.c
+++ b/source/utils/net_ads.c
@@ -1159,6 +1159,12 @@ int net_ads_join(int argc, const char **argv)
                }
        }
 
+       if (!*domain) {
+               d_fprintf(stderr, "Please supply a valid domain name\n");
+               werr = WERR_INVALID_PARAM;
+               goto fail;
+       }
+
        /* Do the domain join here */
 
        r->in.domain_name       = domain;