diff options
| author |   canacar <canacar@openbsd.org> | 2004-05-08 20:23:21 +0000 |
|---|---|---|
| committer | canacar <canacar@openbsd.org> | 2004-05-08 20:23:21 +0000 |
| commit | 7ff5f9adab33054db878a8d1f64c577b6008cf59 (patch) | |
| tree | d191cc78aee7c3baa3b5792affacbfa30c3bd51e /usr.sbin/mopd | |
| parent | as bloody attempt to document neighbor cloning (diff) | |
| download | wireguard-openbsd-7ff5f9adab33054db878a8d1f64c577b6008cf59.tar.xz wireguard-openbsd-7ff5f9adab33054db878a8d1f64c577b6008cf59.zip | |
Filter bpf writes and lock descriptor. tested by hshoexer@
ok henning@ deraadt@
Diffstat (limited to 'usr.sbin/mopd')
| -rw-r--r-- | usr.sbin/mopd/common/pf.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/usr.sbin/mopd/common/pf.c b/usr.sbin/mopd/common/pf.c index ee72e04e0e0..7a05d3a987d 100644 --- a/usr.sbin/mopd/common/pf.c +++ b/usr.sbin/mopd/common/pf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pf.c,v 1.10 2004/04/14 20:37:28 henning Exp $ */ +/* $OpenBSD: pf.c,v 1.11 2004/05/08 20:23:21 canacar Exp $ */ /* * Copyright (c) 1993-95 Mats O Jansson. All rights reserved. @@ -30,7 +30,7 @@ #ifndef LINT static const char rcsid[] = - "$OpenBSD: pf.c,v 1.10 2004/04/14 20:37:28 henning Exp $"; + "$OpenBSD: pf.c,v 1.11 2004/05/08 20:23:21 canacar Exp $"; #endif #include <stdio.h> @@ -151,6 +151,19 @@ pfInit(char *interface, int mode, u_short protocol, int typ) syslog(LOG_ERR,"pfInit: BIOCSETF: %m"); return (-1); } + + /* XXX set the same write filter (for protocol only) */ + if (ioctl(fd, BIOCSETWF, (caddr_t) & filter) < 0) { + syslog(LOG_ERR,"pfInit: BIOCSETWF: %m"); + return (-1); + } + + /* Lock the interface to prevent further changes */ + if (ioctl(fd, BIOCLOCK) < 0) { + syslog(LOG_ERR,"pfInit: BIOCLOCK: %m"); + return (-1); + } + return (fd); } |