diff options
| -rw-r--r-- | sys/netatalk/aarp.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/netatalk/aarp.c b/sys/netatalk/aarp.c index f85adfe..c13d610 100644 --- a/sys/netatalk/aarp.c +++ b/sys/netatalk/aarp.c @@ -354,6 +354,13 @@ at_aarpinput(struct ifnet *ifp, struct mbuf *m) return; } + /* Don't accept requests from broadcast address. */ + if (!bcmp(ea->aarp_sha, ifp->if_broadcastaddr, ifp->if_addrlen)) { + log(LOG_ERR, "aarp: source link address is broadcast\n"); + m_freem(m); + return; + } + op = ntohs(ea->aarp_op); bcopy(ea->aarp_tpnet, &net, sizeof(net)); |
