(get_real_username): Always fail, without trying to contact an IDENT

server, if param.authentication_level is 0.

src/server/rfc931.c

 /*
- * $Id: rfc931.c,v 1.11 1993/10/18 12:30:43 ceder Exp $
+ * $Id: rfc931.c,v 1.12 1994/02/27 15:48:20 ceder Exp $
  * Copyright (C) 1991  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -58,6 +58,9 @@ get_real_username(IscSession *scb,
     char *result;
     time_t before, after;
 
+    if (param.authentication_level == 0)
+	return NULL;
+
     if (auth_fd2(scb->fd, &inlocal, &inremote,
 		 &local, &remote) == -1)
  	return NULL;