Fix add-path capability encoding, the length was not correctly calculated

because it included two extra bytes (copy-paste error from graceful restart).

diff --git a/usr.sbin/bgpd/session.c b/usr.sbin/bgpd/session.c
index 93debc1..fe0dc69 100644 (file)
--- a/usr.sbin/bgpd/session.c
+++ b/usr.sbin/bgpd/session.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: session.c,v 1.421 2021/06/17 16:05:26 claudio Exp $ */
+/*     $OpenBSD: session.c,v 1.422 2021/06/24 09:26:18 claudio Exp $ */
 
 /*
  * Copyright (c) 2003, 2004, 2005 Henning Brauer <henning@openbsd.org>
@@ -1470,9 +1470,9 @@ session_open(struct peer *p)
                u_int8_t        aplen;
 
                if (mpcapa)
-                       aplen = 2 + 4 * mpcapa;
+                       aplen = 4 * mpcapa;
                else    /* AID_INET */
-                       aplen = 2 + 4;
+                       aplen = 4;
                errs += session_capa_add(opb, CAPA_ADD_PATH, aplen);
                if (mpcapa) {
                        for (i = AID_MIN; i < AID_MAX; i++) {