diff options
| author | Claudio Jeker <claudio@cvs.openbsd.org> | 2007-05-22 14:03:32 +0000 |
|---|---|---|
| committer | Claudio Jeker <claudio@cvs.openbsd.org> | 2007-05-22 14:03:32 +0000 |
| commit | 96d7651ad3ac766dbec3f9d8a7b3e0f9676a20ee (patch) | |
| tree | 14059ceea9f9a73376d51dfe645687e5c9ff9192 /usr.sbin | |
| parent | fb032318a854417c2370bccb0b24789112055093 (diff) | |
Only try to merge a AS_SEQUENCE if there is a difference between the 4-byte
AS path and the 2-byte version. If both pathes have the same length don't
try to merge them instead use the new path.
Issue reported by Jon Morby and further analysed by Stuart Henderson.
Tested by Stuart Henderson.
Diffstat (limited to 'usr.sbin')
| -rw-r--r-- | usr.sbin/bgpd/rde_attr.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/usr.sbin/bgpd/rde_attr.c b/usr.sbin/bgpd/rde_attr.c index 2f1d5132d34..54730c0077d 100644 --- a/usr.sbin/bgpd/rde_attr.c +++ b/usr.sbin/bgpd/rde_attr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rde_attr.c,v 1.74 2007/05/11 11:27:59 claudio Exp $ */ +/* $OpenBSD: rde_attr.c,v 1.75 2007/05/22 14:03:31 claudio Exp $ */ /* * Copyright (c) 2004 Claudio Jeker <claudio@openbsd.org> @@ -594,7 +594,7 @@ aspath_merge(struct rde_aspath *a, struct attr *attr) } diff = a->aspath->ascnt - ascnt; - if (attr->len > 2 && attr->data[0] == AS_SEQUENCE) + if (diff && attr->len > 2 && attr->data[0] == AS_SEQUENCE) hroom = attr->data[1]; difflen = aspath_countlength(a->aspath, diff, hroom); nlen = attr->len + difflen; |