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authorderaadt <deraadt@openbsd.org>2015-10-17 23:12:46 +0000
committerderaadt <deraadt@openbsd.org>2015-10-17 23:12:46 +0000
commit7f6a1cf52a44ba956024cb3ca180d33aefc65987 (patch)
tree09c0909f8862a10d0faba93ffb57be0d9757b6c3
parentbetter wording in a comment (diff)
downloadwireguard-openbsd-7f6a1cf52a44ba956024cb3ca180d33aefc65987.tar.xz
wireguard-openbsd-7f6a1cf52a44ba956024cb3ca180d33aefc65987.zip
Allow the nasty ioctl TIOCSTI in "tty", but also require the "proc"
permission. For now, we'll tighten it down further later.
-rw-r--r--sys/kern/kern_pledge.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/sys/kern/kern_pledge.c b/sys/kern/kern_pledge.c
index 203f901fee1..c4f47f88fb9 100644
--- a/sys/kern/kern_pledge.c
+++ b/sys/kern/kern_pledge.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kern_pledge.c,v 1.46 2015/10/17 23:04:06 deraadt Exp $ */
+/* $OpenBSD: kern_pledge.c,v 1.47 2015/10/17 23:12:46 deraadt Exp $ */
/*
* Copyright (c) 2015 Nicholas Marriott <nicm@openbsd.org>
@@ -1094,12 +1094,11 @@ pledge_ioctl_check(struct proc *p, long com, void *v)
break;
return (0);
#endif /* NPTY > 0 */
-#if notyet
case TIOCSTI: /* ksh? csh? */
- if (fp->f_type == DTYPE_VNODE && (vp->v_flag & VISTTY))
+ if ((p->p_p->ps_pledge & PLEDGE_PROC) == 0 &&
+ fp->f_type == DTYPE_VNODE && (vp->v_flag & VISTTY))
return (0);
break;
-#endif
case TIOCSCTTY: /* tmux etc */
if ((p->p_p->ps_pledge & PLEDGE_ID) == 0 &&
fp->f_type == DTYPE_VNODE && (vp->v_flag & VISTTY))