Adjust lowest allowed routing priority to be bigger than RTP_LOCAL.

RTP_LOCAL is internally used by the kernel and is not available for
userland. The minimal usable routing prio is 2.
OK tb@

diff --git a/usr.sbin/bgpd/parse.y b/usr.sbin/bgpd/parse.y
index 7e85fb2..dfd0046 100644 (file)
--- a/usr.sbin/bgpd/parse.y
+++ b/usr.sbin/bgpd/parse.y
@@ -1,4 +1,4 @@
-/*     $OpenBSD: parse.y,v 1.427 2022/06/02 11:05:15 claudio Exp $ */
+/*     $OpenBSD: parse.y,v 1.428 2022/06/02 11:12:47 claudio Exp $ */
 
 /*
  * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
@@ -707,9 +707,9 @@ conf_main   : AS as4number          {
                        TAILQ_INSERT_TAIL(conf->listen_addrs, la, entry);
                }
                | FIBPRIORITY NUMBER            {
-                       if ($2 < RTP_LOCAL || $2 > RTP_MAX) {
+                       if ($2 <= RTP_LOCAL || $2 > RTP_MAX) {
                                yyerror("fib-priority %lld must be between "
-                                   "%u and %u", $2, RTP_LOCAL, RTP_MAX);
+                                   "%u and %u", $2, RTP_LOCAL + 1, RTP_MAX);
                                YYERROR;
                        }
                        conf->fib_priority = $2;
@@ -1045,9 +1045,9 @@ network           : NETWORK prefix filter_set     {
                }
                | NETWORK family PRIORITY NUMBER filter_set     {
                        struct network  *n;
-                       if ($4 < RTP_LOCAL && $4 > RTP_MAX) {
+                       if ($4 <= RTP_LOCAL && $4 > RTP_MAX) {
                                yyerror("priority %lld must be between "
-                                   "%u and %u", $4, RTP_LOCAL, RTP_MAX);
+                                   "%u and %u", $4, RTP_LOCAL + 1, RTP_MAX);
                                YYERROR;
                        }