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Some better lsa checking added.

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This commit is contained in:
Ondrej Filip 2000-05-10 15:04:21 +00:00
parent a9c41c8548
commit 13741548a6
1 changed files with 10 additions and 0 deletions
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10
proto/ospf/lsupd.c
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@ -251,6 +251,16 @@ ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p,
{
struct ospf_lsa_header lsatmp;
struct top_hash_entry *lsadb;
u16 lenn;
lenn=ntohs(lsa->length);
if((lenn<=sizeof(struct ospf_lsa_header))||(lenn!=(4*(lenn/4))))
{
log("Received LSA with bad length\n");
ospf_neigh_sm(n,INM_BADLSREQ);
break;
}
/* pg 143 (1) */
if(lsa->checksum!=lsasum_check(lsa,NULL,po))
{