diff options
Diffstat (limited to 'proto')
| -rw-r--r-- | proto/babel/babel.c | 8 | ||||
| -rw-r--r-- | proto/babel/packets.c | 2 | ||||
| -rw-r--r-- | proto/bgp/attrs.c | 3 | ||||
| -rw-r--r-- | proto/ospf/rt.c | 12 |
4 files changed, 16 insertions, 9 deletions
diff --git a/proto/babel/babel.c b/proto/babel/babel.c index d9e3aad2..b4404f45 100644 --- a/proto/babel/babel.c +++ b/proto/babel/babel.c @@ -952,6 +952,10 @@ babel_send_update_(struct babel_iface *ifa, btime changed, struct fib *rtable) msg.update.next_hop = ((e->n.addr->type == NET_IP4) ? ifa->next_hop_ip4 : ifa->next_hop_ip6); + /* Do not send route if next hop is unknown, e.g. no configured IPv4 address */ + if (ipa_zero(msg.update.next_hop)) + continue; + babel_enqueue(&msg, ifa); /* Update feasibility distance for redistributed routes */ @@ -1580,7 +1584,7 @@ babel_add_iface(struct babel_proto *p, struct iface *new, struct babel_iface_con ifa->next_hop_ip6 = ipa_nonzero(ic->next_hop_ip6) ? ic->next_hop_ip6 : ifa->addr; if (ipa_zero(ifa->next_hop_ip4) && p->ip4_channel) - log(L_WARN "%s: Cannot find IPv4 next hop addr on %s", p->p.name, new->name); + log(L_WARN "%s: Missing IPv4 next hop address for %s", p->p.name, new->name); init_list(&ifa->neigh_list); ifa->hello_seqno = 1; @@ -1682,7 +1686,7 @@ babel_reconfigure_iface(struct babel_proto *p, struct babel_iface *ifa, struct b ifa->next_hop_ip6 = ipa_nonzero(new->next_hop_ip6) ? new->next_hop_ip6 : ifa->addr; if (ipa_zero(ifa->next_hop_ip4) && p->ip4_channel) - log(L_WARN "%s: Cannot find IPv4 next hop addr on %s", p->p.name, ifa->ifname); + log(L_WARN "%s: Missing IPv4 next hop address for %s", p->p.name, ifa->ifname); if (ifa->next_hello > (current_time() + new->hello_interval)) ifa->next_hello = current_time() + (random() % new->hello_interval); diff --git a/proto/babel/packets.c b/proto/babel/packets.c index 59678678..d4ecf649 100644 --- a/proto/babel/packets.c +++ b/proto/babel/packets.c @@ -616,7 +616,7 @@ babel_read_update(struct babel_tlv *hdr, union babel_msg *m, /* Update must have next hop, unless it is retraction */ if (ipa_zero(state->next_hop_ip4) && (msg->metric != BABEL_INFINITY)) - return PARSE_ERROR; + return PARSE_IGNORE; /* Merge saved prefix and received prefix parts */ memcpy(buf, state->def_ip4_prefix, tlv->omitted); diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c index d65f6334..8ecfaaa2 100644 --- a/proto/bgp/attrs.c +++ b/proto/bgp/attrs.c @@ -1109,6 +1109,9 @@ bgp_decode_attrs(struct bgp_parse_state *s, byte *data, uint len) if (!BIT32_TEST(s->attrs_seen, BA_AS_PATH)) { REPORT(NO_MANDATORY, "AS_PATH"); goto withdraw; } + if (s->ip_reach_len && !BIT32_TEST(s->attrs_seen, BA_NEXT_HOP)) + { REPORT(NO_MANDATORY, "NEXT_HOP"); goto withdraw; } + /* When receiving attributes from non-AS4-aware BGP speaker, we have to reconstruct AS_PATH and AGGREGATOR attributes; RFC 6793 4.2.3 */ if (!p->as4_session) diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c index c0fe218a..b4f9b067 100644 --- a/proto/ospf/rt.c +++ b/proto/ospf/rt.c @@ -108,7 +108,7 @@ orta_pref(const orta *nf) static int orta_prio(const orta *nf) { - /* RFC 3103 2.5 (6e) priorities */ + /* RFC 3101 2.5 (6e) priorities */ u32 opts = nf->options & (ORTA_NSSA | ORTA_PROP); /* A Type-7 LSA with the P-bit set */ @@ -217,7 +217,7 @@ orta_compare_asbr(const struct ospf_proto *p, const orta *new, const orta *old) /* * Compare a routing table entry with a new one, for AS external routes - * (RFC 2328 16.4) and NSSA routes (RFC 3103 2.5), Returns integer <, = or > + * (RFC 2328 16.4) and NSSA routes (RFC 3101 2.5), Returns integer <, = or > * than 0 if the new orta is less, equal or more preferred than the old orta. */ static int @@ -1078,7 +1078,7 @@ decide_nssa_lsa(struct ospf_proto *p, ort *nf, struct ospf_lsa_ext_local *rt) return 1; } -/* RFC 3103 3.2 - translating Type-7 LSAs into Type-5 LSAs */ +/* RFC 3101 3.2 - translating Type-7 LSAs into Type-5 LSAs */ static inline void check_nssa_lsa(struct ospf_proto *p, ort *nf) { @@ -1101,12 +1101,12 @@ check_nssa_lsa(struct ospf_proto *p, ort *nf) } } - /* RFC 3103 3.2 (3) - originate the aggregated address range */ + /* RFC 3101 3.2 (3) - originate the aggregated address range */ if (anet && anet->active && !anet->hidden && oa->translate) ospf_originate_ext_lsa(p, NULL, nf, LSA_M_RTCALC, anet->metric, (anet->metric & LSA_EXT3_EBIT), IPA_NONE, anet->tag, 0); - /* RFC 3103 3.2 (2) - originate the same network */ + /* RFC 3101 3.2 (2) - originate the same network */ else if (decide_nssa_lsa(p, nf, &rt)) ospf_originate_ext_lsa(p, NULL, nf, LSA_M_RTCALC, rt.metric, rt.ebit, rt.fwaddr, rt.tag, 0); } @@ -1284,7 +1284,7 @@ ospf_rt_abr2(struct ospf_proto *p) struct ospf_area *oa; struct top_hash_entry *en; - /* RFC 3103 3.1 - type-7 translator election */ + /* RFC 3101 3.1 - type-7 translator election */ struct ospf_area *bb = p->backbone; WALK_LIST(oa, p->area_list) if (oa_is_nssa(oa)) |