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Fixes LLS compatibility.

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This commit is contained in:
Ondrej Zajicek 2010-03-19 19:23:34 +01:00
parent 5d53b80770
commit 885b3d6127
1 changed files with 1 additions and 14 deletions
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15
proto/ospf/packet.c
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@ -140,13 +140,6 @@ ospf_pkt_checkauth(struct ospf_neighbor *n, struct ospf_iface *ifa, struct ospf_
return 0; return 0;
} }
if (n && (ifa != n->ifa))
{
OSPF_TRACE(D_PACKETS, "OSPF_auth: received packet from strange interface (%s/%s)",
ifa->iface->name, n->ifa->iface->name);
return 0;
}
switch(ifa->autype) switch(ifa->autype)
{ {
case OSPF_AUTH_NONE: case OSPF_AUTH_NONE:
@ -178,19 +171,13 @@ ospf_pkt_checkauth(struct ospf_neighbor *n, struct ospf_iface *ifa, struct ospf_
return 0; return 0;
} }
if (ntohs(pkt->length) + OSPF_AUTH_CRYPT_SIZE != size) if (ntohs(pkt->length) + OSPF_AUTH_CRYPT_SIZE > size)
{ {
OSPF_TRACE(D_PACKETS, "OSPF_auth: size mismatch (%d vs %d)", OSPF_TRACE(D_PACKETS, "OSPF_auth: size mismatch (%d vs %d)",
ntohs(pkt->length) + OSPF_AUTH_CRYPT_SIZE, size); ntohs(pkt->length) + OSPF_AUTH_CRYPT_SIZE, size);
return 0; return 0;
} }
if (pkt->u.md5.zero)
{
OSPF_TRACE(D_PACKETS, "OSPF_auth: \"zero\" area is non-zero");
return 0;
}
tail = ((void *)pkt) + ntohs(pkt->length); tail = ((void *)pkt) + ntohs(pkt->length);
if (ifa->passwords) if (ifa->passwords)