diff options
| -rw-r--r-- | ospfd/ospf_packet.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/ospfd/ospf_packet.c b/ospfd/ospf_packet.c index 2156ce33..95d184dc 100644 --- a/ospfd/ospf_packet.c +++ b/ospfd/ospf_packet.c @@ -321,6 +321,7 @@ ospf_make_md5_digest (struct ospf_interface *oi, struct ospf_packet *op) struct md5_ctx ctx; void *ibuf; unsigned long oldputp; + u_int32_t t; struct crypt_key *ck; char *auth_key; @@ -332,7 +333,9 @@ ospf_make_md5_digest (struct ospf_interface *oi, struct ospf_packet *op) /* We do this here so when we dup a packet, we don't have to waste CPU rewriting other headers. */ - ospfh->u.crypt.crypt_seqnum = htonl (oi->crypt_seqnum++); + t = (time(NULL) & 0xFFFFFFFF); + oi->crypt_seqnum = ( t > oi->crypt_seqnum ? t : oi->crypt_seqnum++); + ospfh->u.crypt.crypt_seqnum = htonl (oi->crypt_seqnum); /* Get MD5 Authentication key from auth_key list. */ if (list_isempty (OSPF_IF_PARAM (oi, auth_crypt))) |