diff options
-rw-r--r-- | bgpd/bgp_attr.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/bgpd/bgp_attr.c b/bgpd/bgp_attr.c index 337ddb7c..a9866994 100644 --- a/bgpd/bgp_attr.c +++ b/bgpd/bgp_attr.c @@ -1004,6 +1004,38 @@ bgp_attr_med (struct peer *peer, bgp_size_t length, total = length + (CHECK_FLAG (flag, BGP_ATTR_FLAG_EXTLEN) ? 4 : 3); + /* Flag checks. */ + if (! CHECK_FLAG (flag, BGP_ATTR_FLAG_OPTIONAL)) + { + zlog (peer->log, LOG_ERR, + "MULTI_EXIT_DISC attribute must be flagged as \"optional\" (%u)", flag); + bgp_notify_send_with_data (peer, + BGP_NOTIFY_UPDATE_ERR, + BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, + startp, total); + return -1; + } + if (CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS)) + { + zlog (peer->log, LOG_ERR, + "MULTI_EXIT_DISC attribute must not be flagged as \"transitive\" (%u)", flag); + bgp_notify_send_with_data (peer, + BGP_NOTIFY_UPDATE_ERR, + BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, + startp, total); + return -1; + } + if (CHECK_FLAG (flag, BGP_ATTR_FLAG_PARTIAL)) + { + zlog (peer->log, LOG_ERR, + "MULTI_EXIT_DISC attribute must not be flagged as \"partial\" (%u)", flag); + bgp_notify_send_with_data (peer, + BGP_NOTIFY_UPDATE_ERR, + BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, + startp, total); + return -1; + } + /* Length check. */ if (length != 4) { |