Fix segfault. sup_tok might not always be with us.

diff --git a/source/smbd/password.c b/source/smbd/password.c
index 429d72b4e51b447553f8254de8dd930d9b154a95..f0fec9b7960b8aa16abf5f07752a770ff3fa5e64 100644 (file)
--- a/source/smbd/password.c
+++ b/source/smbd/password.c
@@ -170,9 +170,11 @@ NT_USER_TOKEN *create_nt_token(uid_t uid, gid_t gid, int ngroups, gid_t *groups,
                }
        }
 
-       /* Now add the additional SIDs from the supplimentary token. */
-       for (i = 0; i < sup_tok->num_sids; i++)
-               sid_copy( &psids[psid_ndx++], &sup_tok->user_sids[i] );
+       if (sup_tok) {
+               /* Now add the additional SIDs from the supplimentary token. */
+               for (i = 0; i < sup_tok->num_sids; i++)
+                       sid_copy( &psids[psid_ndx++], &sup_tok->user_sids[i] );
+       }
 
        /*
         * Finally add the "standard" SIDs.