diff options
| -rw-r--r-- | proto/ospf/ospf.c | 14 | ||||
| -rw-r--r-- | proto/ospf/ospf.h | 4 |
2 files changed, 15 insertions, 3 deletions
diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c index 6996540..5c303d4 100644 --- a/proto/ospf/ospf.c +++ b/proto/ospf/ospf.c @@ -27,10 +27,22 @@ void ospf_hello_rx(struct ospf_hello_packet *ps, struct proto *p, struct ospf_iface *ifa) { + char sip[100]; /* FIXME: Should be smaller */ + + if(ipa_mklen(ipa_ntoh(ps->netmask))!=ifa->iface->addr->pxlen) + { + ip_ntop(ps->netmask,sip); + log("%s: Bad OSPF packet from %d received: bad netmask %s.", + p->name, ntohl(((struct ospf_packet *)ps)->routerid), sip); + /*ip_ntop(ps->netmask, sip));*/ + log("%s: Discarding",p->name); + return; + } + switch(ifa->state) { case OSPF_IS_DOWN: - die("%s: Iface %s in down state?",p->name, ifa->iface->name); + die("%s: Iface %s in down state?", p->name, ifa->iface->name); break; case OSPF_IS_WAITING: DBG(p->name); diff --git a/proto/ospf/ospf.h b/proto/ospf/ospf.h index eb49ca5..92e7468 100644 --- a/proto/ospf/ospf.h +++ b/proto/ospf/ospf.h @@ -102,8 +102,8 @@ struct ospf_packet { }; struct ospf_hello_packet { - struct ospf_packet; - u32 netmask; + struct ospf_packet ospf_packet; + ip_addr netmask; u16 hello_int; u8 options; u8 priority; |