diff options
| author | Claudio Jeker <claudio@cvs.openbsd.org> | 2006-12-12 10:30:34 +0000 |
|---|---|---|
| committer | Claudio Jeker <claudio@cvs.openbsd.org> | 2006-12-12 10:30:34 +0000 |
| commit | f37e5cd2c5e59da958468ec19d994069d172e1a0 (patch) | |
| tree | a3206fc871944f8ef2ebcb3b2399e1bf065dd2a8 /usr.sbin/bgpd/rde_rib.c | |
| parent | b13a9e99dbc21610a77a6f617153e96ad3ee41e5 (diff) | |
Even IPv6 has a prefixlen limit. This ensures that we do not overflow the
struct in6_addr later on. OK henning@
Diffstat (limited to 'usr.sbin/bgpd/rde_rib.c')
| -rw-r--r-- | usr.sbin/bgpd/rde_rib.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/usr.sbin/bgpd/rde_rib.c b/usr.sbin/bgpd/rde_rib.c index f8c1cded341..6da515a03f7 100644 --- a/usr.sbin/bgpd/rde_rib.c +++ b/usr.sbin/bgpd/rde_rib.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rde_rib.c,v 1.89 2006/12/12 10:26:47 claudio Exp $ */ +/* $OpenBSD: rde_rib.c,v 1.90 2006/12/12 10:30:33 claudio Exp $ */ /* * Copyright (c) 2003, 2004 Claudio Jeker <claudio@openbsd.org> @@ -391,6 +391,8 @@ prefix_compare(const struct bgpd_addr *a, const struct bgpd_addr *b, return (aa - ba); return (0); case AF_INET6: + if (prefixlen > 128) + fatalx("prefix_cmp: bad IPv6 prefixlen"); for (i = 0; i < prefixlen / 8; i++) if (a->v6.s6_addr[i] != b->v6.s6_addr[i]) return (a->v6.s6_addr[i] - b->v6.s6_addr[i]); |