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| author |   deraadt <deraadt@openbsd.org> | 2015-10-17 22:58:30 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2015-10-17 22:58:30 +0000 |
| commit | 3611f3d46d5805ecc93fc82c23d215099605a6cd (patch) | |
| tree | 22d4eeb5d975d3d87bc5ff2d7e2a57514c4c216b | |
| parent | whitespace (diff) | |
| download | wireguard-openbsd-3611f3d46d5805ecc93fc82c23d215099605a6cd.tar.xz wireguard-openbsd-3611f3d46d5805ecc93fc82c23d215099605a6cd.zip | |
Allow TIOCSCTTY on tty devices, if the pledge says "tty id"
worked out with nicm
| -rw-r--r-- | sys/kern/kern_pledge.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/kern/kern_pledge.c b/sys/kern/kern_pledge.c index a155f22cbed..08329c03a61 100644 --- a/sys/kern/kern_pledge.c +++ b/sys/kern/kern_pledge.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_pledge.c,v 1.43 2015/10/17 22:54:23 deraadt Exp $ */ +/* $OpenBSD: kern_pledge.c,v 1.44 2015/10/17 22:58:30 deraadt Exp $ */ /* * Copyright (c) 2015 Nicholas Marriott <nicm@openbsd.org> @@ -1103,6 +1103,11 @@ pledge_ioctl_check(struct proc *p, long com, void *v) 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)) + return (0); + break; case TIOCSPGRP: if ((p->p_p->ps_pledge & PLEDGE_PROC) == 0) break; |