net: abort when lp_realm is not set in net_ads_leave().

Guenther

diff --git a/source/utils/net_ads.c b/source/utils/net_ads.c
index b4814521aac628654b42f382095c720dfef087aa..50e5b3752bac1b31a8b86c6e9fa6326322132a21 100644 (file)
--- a/source/utils/net_ads.c
+++ b/source/utils/net_ads.c
@@ -816,6 +816,11 @@ static int net_ads_leave(int argc, const char **argv)
        struct libnet_UnjoinCtx *r = NULL;
        WERROR werr;
 
+       if (!*lp_realm()) {
+               d_fprintf(stderr, "No realm set, are we joined ?\n");
+               return -1;
+       }
+
        if (!(ctx = talloc_init("net_ads_leave"))) {
                d_fprintf(stderr, "Could not initialise talloc context.\n");
                return -1;