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authorOndrej Filip <feela@network.cz>1999-11-17 14:15:01 +0100
committerOndrej Filip <feela@network.cz>1999-11-17 14:15:01 +0100
commite17baa31088766f7f278be6754d0acc6e8380e4e (patch)
treeb74832c23ad7b66c20eb9a0c39ec56d5dd3c018b /proto/ospf
parent62a463954815748d0d82da0e30651e6eea7bc9cf (diff)
downloadbird-e17baa31088766f7f278be6754d0acc6e8380e4e.tar
bird-e17baa31088766f7f278be6754d0acc6e8380e4e.zip
Fixed bug receiving dbdes packets in EXSTART state.
Diffstat (limited to 'proto/ospf')
-rw-r--r--proto/ospf/ospf.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index 3f19665..04b6757 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -57,7 +57,8 @@ ospf_pkt_finalize(struct ospf_iface *ifa, struct ospf_packet *pkt)
(pkt+1),ntohs(pkt->length)-sizeof(struct ospf_packet),NULL);
}
-void ospf_dbdes_tx(struct ospf_iface *ifa)
+void
+ospf_dbdes_tx(struct ospf_iface *ifa)
{
struct ospf_dbdes_packet *pkt;
struct ospf_packet *op;
@@ -123,12 +124,15 @@ neigh_chstate(struct ospf_neighbor *n, u8 state)
struct ospf_iface *ifa;
struct proto *p;
- ifa=n->ifa;
- p=(struct proto *)(ifa->proto);
+ if(n->state!=state)
+ {
+ ifa=n->ifa;
+ p=(struct proto *)(ifa->proto);
- debug("%s: Neigbor '%u' changes state from %u to %u.\n", p->name, n->rid,
- n->state, state);
- n->state=state;
+ debug("%s: Neigbor '%u' changes state from %u to %u.\n", p->name, n->rid,
+ n->state, state);
+ n->state=state;
+ }
}
@@ -143,7 +147,7 @@ tryadj(struct ospf_neighbor *n, struct proto *p)
n->dds=random_u32();
}
n->dds++;
- n->myimms=(DBDES_MS | DBDES_M|DBDES_I );
+ n->myimms=(DBDES_MS | DBDES_M | DBDES_I );
tm_start(n->ifa->rxmt_timer,1); /* Or some other number ? */
}
@@ -410,6 +414,7 @@ ospf_neigh_sm(struct ospf_neighbor *n, int event)
break;
case INM_SEQMIS:
case INM_BADLSREQ:
+ debug("%s: Bad LS req!\n", p->name);
if(n->state>=NEIGHBOR_EXCHANGE)
{
neigh_chstate(n,NEIGHBOR_EXSTART);
@@ -615,13 +620,6 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
ospf_neigh_sm(n, INM_2WAYREC);
if(n->state!=NEIGHBOR_EXSTART) return;
case NEIGHBOR_EXSTART:
- if(size!=sizeof(struct ospf_dbdes_packet))
- {
- debug("%s: Received bad dbdes from %u in exstart state.\n",
- p->name, nrid);
- return;
- }
-
if(ps->imms==(DBDES_I|DBDES_M|DBDES_MS) && (n->rid > myrid) &&
(size == sizeof(struct ospf_dbdes_packet)))
{
@@ -650,10 +648,11 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
{
debug("%s: Nothing happend to %u (imms=%u)", p->name, nrid,
ps->imms);
+ break;
}
}
+ break; /* I should probably continue processing packet */
- break;
case NEIGHBOR_EXCHANGE:
if((ps->imms==n->imms) && (ps->options=n->options) &&
(ps->ddseq==n->dds))
@@ -667,6 +666,7 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
else
{
/* FIXME: Send response! */
+ return;
}
}