Jerry/bird
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

One null-pointer dereference bugfix hidden in whitespace changes

Browse source
This commit is contained in:
Ondrej Zajicek 2009-01-16 10:58:52 +01:00
parent 0dd7ccc766
commit 3b108f18e8
1 changed files with 12 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
proto/ospf/packet.c
View file

@ -126,7 +126,7 @@ ospf_pkt_checkauth(struct ospf_neighbor *n, struct ospf_iface *ifa, struct ospf_
break;
case OSPF_AUTH_SIMPLE:
pass = password_find(ifa->passwords, 1);
if(!pass)
if (!pass)
{
OSPF_TRACE(D_PACKETS, "OSPF_auth: no password found");
return 0;
@ -149,6 +149,7 @@ ospf_pkt_checkauth(struct ospf_neighbor *n, struct ospf_iface *ifa, struct ospf_
OSPF_TRACE(D_PACKETS, "OSPF_auth: wrong size of md5 digest");
return 0;
}
if (ntohs(pkt->length) + OSPF_AUTH_CRYPT_SIZE != size)
{
OSPF_TRACE(D_PACKETS, "OSPF_auth: size mismatch (%d vs %d)",
@ -164,6 +165,8 @@ ospf_pkt_checkauth(struct ospf_neighbor *n, struct ospf_iface *ifa, struct ospf_
tail = ((void *)pkt) + ntohs(pkt->length);
if (ifa->passwords)
{
WALK_LIST(ptmp, *(ifa->passwords))
{
if (pkt->u.md5.keyid != ptmp->id) continue;
@ -171,14 +174,15 @@ ospf_pkt_checkauth(struct ospf_neighbor *n, struct ospf_iface *ifa, struct ospf_
pass = ptmp;
break;
}
}
if(!pass)
if (!pass)
{
OSPF_TRACE(D_PACKETS, "OSPF_auth: no suitable md5 password found");
return 0;
}
if(n)
if (n)
{
if(ntohs(pkt->u.md5.csn) < n->csn)
{