enable DSN (Delivery Status Notification) for the implicit socket too

DSN is implicitly enabled when using `listen on sock' but it's not for
the implicit socket, avoid this incoherence by enabling it on the
implicit socket too.

Report and diff by Tassilo Philipp (tphilipp at potion-studios dot com)
ok millert@

diff --git a/usr.sbin/smtpd/parse.y b/usr.sbin/smtpd/parse.y
index 4c9ea85..b5cddb9 100644 (file)
--- a/usr.sbin/smtpd/parse.y
+++ b/usr.sbin/smtpd/parse.y
@@ -1,4 +1,4 @@
-/*     $OpenBSD: parse.y,v 1.293 2023/12/01 09:25:49 op Exp $  */
+/*     $OpenBSD: parse.y,v 1.294 2023/12/03 11:48:52 op Exp $  */
 
 /*
  * Copyright (c) 2008 Gilles Chehade <gilles@poolp.org>
@@ -3123,6 +3123,7 @@ parse_config(struct smtpd *x_conf, const char *filename, int opts)
        /* If the socket listener was not configured, create a default one. */
        if (!conf->sc_sock_listener) {
                memset(&listen_opts, 0, sizeof listen_opts);
+               listen_opts.flags |= F_EXT_DSN;
                create_sock_listener(&listen_opts);
        }