diff options
Diffstat (limited to 'proto/bgp/bgp.c')
| -rw-r--r-- | proto/bgp/bgp.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/proto/bgp/bgp.c b/proto/bgp/bgp.c index ceeec727..43f9f134 100644 --- a/proto/bgp/bgp.c +++ b/proto/bgp/bgp.c @@ -188,6 +188,7 @@ bgp_open(struct bgp_proto *p) bs->sk = sk; bs->uc = 1; p->sock = bs; + sk->data = bs; add_tail(&bgp_sockets, &bs->n); @@ -1049,7 +1050,8 @@ bgp_connect(struct bgp_proto *p) /* Enter Connect state and start establishing c s->tos = IP_PREC_INTERNET_CONTROL; s->password = p->cf->password; s->tx_hook = bgp_connected; - BGP_TRACE(D_EVENTS, "Connecting to %I%J from local address %I%J", s->daddr, p->cf->iface, + BGP_TRACE(D_EVENTS, "Connecting to %I%J from local address %I%J", + s->daddr, ipa_is_link_local(s->daddr) ? p->cf->iface : NULL, s->saddr, ipa_is_link_local(s->saddr) ? s->iface : NULL); bgp_setup_conn(p, conn); bgp_setup_sk(conn, s); @@ -1083,12 +1085,15 @@ bgp_find_proto(sock *sk) { struct bgp_proto *p; + /* sk->iface is valid only if src or dst address is link-local */ + int link = ipa_is_link_local(sk->saddr) || ipa_is_link_local(sk->daddr); + WALK_LIST(p, proto_list) if ((p->p.proto == &proto_bgp) && + (p->sock == sk->data) && ipa_equal(p->cf->remote_ip, sk->daddr) && - (!p->cf->iface || (p->cf->iface == sk->iface)) && - (ipa_zero(p->cf->local_ip) || ipa_equal(p->cf->local_ip, sk->saddr)) && - (p->cf->local_port == sk->sport)) + (!link || (p->cf->iface == sk->iface)) && + (ipa_zero(p->cf->local_ip) || ipa_equal(p->cf->local_ip, sk->saddr))) return p; return NULL; @@ -1765,8 +1770,9 @@ bgp_postconfig(struct proto_config *CF) if (!cf->remote_as) cf_error("Remote AS number must be set"); - if (ipa_is_link_local(cf->remote_ip) && !cf->iface) - cf_error("Link-local neighbor address requires specified interface"); + if (!cf->iface && (ipa_is_link_local(cf->local_ip) || + ipa_is_link_local(cf->remote_ip))) + cf_error("Link-local addresses require defined interface"); if (!(cf->capabilities && cf->enable_as4) && (cf->remote_as > 0xFFFF)) cf_error("Neighbor AS number out of range (AS4 not available)"); |