diff options
| author | Michele Marchetto <michele@cvs.openbsd.org> | 2008-10-18 12:30:41 +0000 |
|---|---|---|
| committer | Michele Marchetto <michele@cvs.openbsd.org> | 2008-10-18 12:30:41 +0000 |
| commit | da565113f33e992accd642b5a6f64ed656a4e8ab (patch) | |
| tree | 48bdb99cd94834faeecd22f7d2270beca85d4e77 /sys/net | |
| parent | c7991f8c4692b41c6d26fddd7676282d1d0597df (diff) | |
Prevent the user to assign reserved labels to mpe(4) interfaces.
OK claudio@
Diffstat (limited to 'sys/net')
| -rw-r--r-- | sys/net/if_mpe.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/net/if_mpe.c b/sys/net/if_mpe.c index 892f20cdb1f..518220355d2 100644 --- a/sys/net/if_mpe.c +++ b/sys/net/if_mpe.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_mpe.c,v 1.10 2008/10/14 20:43:33 michele Exp $ */ +/* $OpenBSD: if_mpe.c,v 1.11 2008/10/18 12:30:40 michele Exp $ */ /* * Copyright (c) 2008 Pierre-Yves Ritschard <pyr@spootnik.org> @@ -247,7 +247,8 @@ mpeioctl(struct ifnet *ifp, u_long cmd, caddr_t data) ifm = ifp->if_softc; if ((error = copyin(ifr->ifr_data, &shim, sizeof(shim)))) break; - if (shim.shim_label > MPLS_LABEL_MAX) { + if (shim.shim_label > MPLS_LABEL_MAX || + shim.shim_label <= MPLS_LABEL_RESERVED_MAX) { error = EINVAL; break; } |