diff options
| author | Donatas Abraitis <donatas@opensourcerouting.org> | 2023-07-07 15:03:07 +0300 |
|---|---|---|
| committer | Donatas Abraitis <donatas@opensourcerouting.org> | 2023-07-07 23:01:13 +0300 |
| commit | c1ccfa977aa26895b7c8203ca8a751e321997a00 (patch) | |
| tree | d018e0b673789f96f8359787003a6042618e5181 /bgpd/bgp_attr.c | |
| parent | 700ef0dd20edcf97123b29eb65980f6d84b9ceba (diff) | |
bgpd: Check if originator-id attribute is not received via eBGP session
Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
Diffstat (limited to 'bgpd/bgp_attr.c')
| -rw-r--r-- | bgpd/bgp_attr.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/bgpd/bgp_attr.c b/bgpd/bgp_attr.c index 34422bf514..b5cdcfd2df 100644 --- a/bgpd/bgp_attr.c +++ b/bgpd/bgp_attr.c @@ -2138,6 +2138,15 @@ bgp_attr_originator_id(struct bgp_attr_parser_args *args) struct attr *const attr = args->attr; const bgp_size_t length = args->length; + /* if the ORIGINATOR_ID attribute is received from an external + * neighbor, it SHALL be discarded using the approach of "attribute + * discard". + */ + if (peer->sort == BGP_PEER_EBGP) { + stream_forward_getp(peer->curr, length); + return BGP_ATTR_PARSE_PROCEED; + } + /* if received from an internal neighbor, it SHALL be considered * malformed if its length is not equal to 4. If malformed, the * UPDATE message SHALL be handled using the approach of "treat-as- |