diff options
author | Paul Jakma <paul@quagga.net> | 2012-01-08 14:15:03 +0000 |
---|---|---|
committer | Paul Jakma <paul@quagga.net> | 2012-01-08 14:15:03 +0000 |
commit | 83a9a2213a73aeb9796b69327c87e89e2d3327ed (patch) | |
tree | ed0ef43739f593a3163309a128b179d66ceec4d8 | |
parent | 9ed79b53eb89b8a663eb368ef5f7d47701f231df (diff) |
bgpd: Improve flag error messages in bgp_attr_aspath
* bgpd/bgp_attr.c: (bgp_attr_aspath) error message could be misleading,
clearly log what flag was incorrect.
(Problem noted in "bgpd: fix error message in bgp_attr_aspath()" in
Quagga-RE)
-rw-r--r-- | bgpd/bgp_attr.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/bgpd/bgp_attr.c b/bgpd/bgp_attr.c index b013c23f..1c13d11c 100644 --- a/bgpd/bgp_attr.c +++ b/bgpd/bgp_attr.c @@ -867,7 +867,7 @@ bgp_attr_aspath (struct peer *peer, bgp_size_t length, total = length + (CHECK_FLAG (flag, BGP_ATTR_FLAG_EXTLEN) ? 4 : 3); - /* Flag check. */ + /* Flags check. */ if (CHECK_FLAG (flag, BGP_ATTR_FLAG_PARTIAL)) { zlog (peer->log, LOG_ERR, @@ -877,11 +877,20 @@ bgp_attr_aspath (struct peer *peer, bgp_size_t length, startp, total); } - if (CHECK_FLAG (flag, BGP_ATTR_FLAG_OPTIONAL) - || ! CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS)) + if (!CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS)) + { + zlog (peer->log, LOG_ERR, + "AS_PATH attribute must be flagged as \"transitive\" (%u)", flag); + return bgp_attr_malformed (peer, BGP_ATTR_AS_PATH, flag, + BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, + startp, total); + } + + if (CHECK_FLAG (flag, BGP_ATTR_FLAG_OPTIONAL)) { zlog (peer->log, LOG_ERR, - "As-Path attribute flag isn't transitive %d", flag); + "AS_PATH attribute must not be flagged as \"optional\" (%u)", flag); + return bgp_attr_malformed (peer, BGP_ATTR_AS_PATH, flag, BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, startp, total); |