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Some RX_Hello checks added.

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This commit is contained in:
Ondrej Filip
1999-05-31 18:56:20 +00:00
parent bb027be1e2
commit 35ff423d54
2 changed files with 30 additions and 6 deletions
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30
proto/ospf/ospf.c
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@@ -37,6 +37,30 @@ ospf_hello_rx(struct ospf_hello_packet *ps, struct proto *p,
log("%s: Discarding",p->name);
return;
}
if(ntohs(ps->helloint)!=ifa->helloint)
{
log("%s: Bad OSPF packet from %d received: hello interval mismatch.",
p->name, ntohl(((struct ospf_packet *)ps)->routerid));
log("%s: Discarding",p->name);
return;
}
if(ntohl(ps->deadint)!=ifa->helloint*ifa->deadc)
{
log("%s: Bad OSPF packet from %d received: dead interval mismatch.",
p->name, ntohl(((struct ospf_packet *)ps)->routerid));
log("%s: Discarding",p->name);
return;
}
if(ps->options!=ifa->options)
{
log("%s: Bad OSPF packet from %d received: options mismatch.",
p->name, ntohl(((struct ospf_packet *)ps)->routerid));
log("%s: Discarding",p->name);
return;
}
switch(ifa->state)
{
@@ -309,10 +333,10 @@ hello_timer_hook(timer *timer)
pkt->netmask=ipa_mkmask(ifa->iface->addr->pxlen);
ipa_hton(pkt->netmask);
pkt->hello_int=ntohs(ifa->helloint);
pkt->helloint=ntohs(ifa->helloint);
pkt->options=ifa->options;
pkt->priority=ifa->priority;
pkt->deadint=htonl(ifa->deadint*ifa->helloint);
pkt->deadint=htonl(ifa->deadc*ifa->helloint);
pkt->dr=ifa->drid;
pkt->bdr=ifa->bdrid;
@@ -423,7 +447,7 @@ ospf_iface_default(struct ospf_iface *ifa)
ifa->iftransdelay=IFTRANSDELAY_D;
ifa->priority=PRIORITY_D;
ifa->helloint=HELLOINT_D;
ifa->deadint=DEADINT_D;
ifa->deadc=DEADC_D;
ifa->autype=0;
for(i=0;i<8;i++) ifa->aukey[i]=0;
ifa->options=2;