Send default client identifier when a config file is present but no

client identifier is configured like the man page claims we would do.

Problem found and patch by Joel Knight (knight.joel AT gmail), thanks!

diff --git a/sbin/dhcpleased/frontend.c b/sbin/dhcpleased/frontend.c
index 5131dce..bd1e37f 100644 (file)
--- a/sbin/dhcpleased/frontend.c
+++ b/sbin/dhcpleased/frontend.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: frontend.c,v 1.23 2021/10/20 07:04:49 florian Exp $   */
+/*     $OpenBSD: frontend.c,v 1.24 2021/11/20 17:54:40 florian Exp $   */
 
 /*
  * Copyright (c) 2017, 2021 Florian Obser <florian@openbsd.org>
@@ -946,6 +946,10 @@ build_packet(uint8_t message_type, char *if_name, uint32_t xid,
                        /* XXX check space */
                        memcpy(p, iface_conf->c_id, iface_conf->c_id_len);
                        p += iface_conf->c_id_len;
+               } else {
+                       memcpy(dhcp_client_id + 3, hw_address, sizeof(*hw_address));
+                       memcpy(p, dhcp_client_id, sizeof(dhcp_client_id));
+                       p += sizeof(dhcp_client_id);
                }
                if (iface_conf->vc_id_len > 0) {
                        /* XXX check space */