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| author | Donatas Abraitis <donatas@opensourcerouting.org> | 2024-08-25 19:03:05 +0300 |
|---|---|---|
| committer | Donatas Abraitis <donatas@opensourcerouting.org> | 2024-08-25 19:03:05 +0300 |
| commit | f390253ca758152f2a30a6f8470edb69b209758b (patch) | |
| tree | 67e0d1c33238c0bf936a81852aed796d4d065cc8 | |
| parent | 05c17eff06536e750d43829ccded5c9e8f0f9ca4 (diff) | |
bgpd: Allow filtering Prefix-SID attribute
Filtering this attribute via `path-attribute discard/treat-as-widthraw`.
Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
| -rw-r--r-- | bgpd/bgp_attr.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/bgpd/bgp_attr.c b/bgpd/bgp_attr.c index c178844cc9..9ce15d016b 100644 --- a/bgpd/bgp_attr.c +++ b/bgpd/bgp_attr.c @@ -3300,6 +3300,9 @@ enum bgp_attr_parse_ret bgp_attr_prefix_sid(struct bgp_attr_parser_args *args) size_t headersz = sizeof(type) + sizeof(length); size_t psid_parsed_length = 0; + if (peer->discard_attrs[args->type] || peer->withdraw_attrs[args->type]) + goto prefix_sid_ignore; + while (STREAM_READABLE(peer->curr) > 0 && psid_parsed_length < args->length) { @@ -3347,6 +3350,11 @@ enum bgp_attr_parse_ret bgp_attr_prefix_sid(struct bgp_attr_parser_args *args) SET_FLAG(attr->flag, ATTR_FLAG_BIT(BGP_ATTR_PREFIX_SID)); return BGP_ATTR_PARSE_PROCEED; + +prefix_sid_ignore: + stream_forward_getp(peer->curr, args->length); + + return bgp_attr_ignore(peer, args->type); } /* PMSI tunnel attribute (RFC 6514) |