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authorOndrej Filip <feela@network.cz>2000-04-04 00:31:07 +0200
committerOndrej Filip <feela@network.cz>2000-04-04 00:31:07 +0200
commit8496b2e41a81f8281da0e0c3e4bbb72a57d3bf21 (patch)
treecfd9083a1d32d7c77fd7e26a8eb83c84322ec9ea /proto/ospf/lsupd.c
parent394acced118df7360e480920c65ca260c5b8c44f (diff)
downloadbird-8496b2e41a81f8281da0e0c3e4bbb72a57d3bf21.tar
bird-8496b2e41a81f8281da0e0c3e4bbb72a57d3bf21.zip
Minor change in area list. Now I use MJ's lists.
Diffstat (limited to 'proto/ospf/lsupd.c')
-rw-r--r--proto/ospf/lsupd.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/proto/ospf/lsupd.c b/proto/ospf/lsupd.c
index 2fa0137..5c0d836 100644
--- a/proto/ospf/lsupd.c
+++ b/proto/ospf/lsupd.c
@@ -86,6 +86,7 @@ ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p,
u32 area,nrid,myrid;
struct ospf_neighbor *n;
struct ospf_lsa_header *lsa;
+ struct ospf_area *oa;
u16 length;
u8 i;
@@ -108,15 +109,28 @@ ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p,
lsa=(struct ospf_lsa_header *)(ps+1);
area=htonl(ps->ospf_packet.areaid);
- for(i=0;i<ntohl(ps->lsano);i++)
+ oa=ospf_find_area((struct proto_ospf *)p,area);
+ for(i=0;i<ntohl(ps->lsano);i++,
+ lsa=(struct ospf_lsa_header *)(((u8 *)lsa)+ntohs(lsa->length)))
{
- if(lsa->checksum==lsasum_check(lsa,NULL,(struct proto_ospf *)p))
+ if(lsa->checksum!=lsasum_check(lsa,NULL,(struct proto_ospf *)p))
{
- DBG("Processing update Type: %u ID: %u RT: %u\n",lsa->type,
- ntohl(lsa->id), ntohl(lsa->rt));
- /* FIXME Go on */
+ log("Received bad lsa checksum from %u\n",n->rid);
+ continue;
+ }
+ if((lsa->type<LSA_T_RT)||(lsa->type>LSA_T_EXT))
+ {
+ log("Unknown LSA type from %u\n",n->rid);
+ continue;
}
- lsa=(struct ospf_lsa_header *)(((u8 *)lsa)+ntohs(lsa->length));
+ if((lsa->type==LSA_T_EXT)&&oa->stub)
+ {
+ log("Received External LSA in stub area from %u\n",n->rid);
+ continue;
+ }
+ /* FIXME Go on */
+ DBG("Processing update Type: %u ID: %u RT: %u\n",lsa->type,
+ ntohl(lsa->id), ntohl(lsa->rt));
}
}