diff options
| author | Martin Pieuchot <mpi@cvs.openbsd.org> | 2018-01-08 11:54:29 +0000 |
|---|---|---|
| committer | Martin Pieuchot <mpi@cvs.openbsd.org> | 2018-01-08 11:54:29 +0000 |
| commit | f0909d36eaaf373fb38f3831a2ec42032bea8d7a (patch) | |
| tree | 82afe12a80ed7596c03aef905957997497a36497 /sys/kern/kern_pledge.c | |
| parent | 6d61c2b2fec095e795e7adb2f2e69b0ad0e992ba (diff) | |
Allow TIOCUCNTL issued on a pty(4) master in promise "tty".
This will be soon be used to emulate BREAK commands in vmd(8).
ok nicm@, ccardenas@, deraadt@
Diffstat (limited to 'sys/kern/kern_pledge.c')
| -rw-r--r-- | sys/kern/kern_pledge.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sys/kern/kern_pledge.c b/sys/kern/kern_pledge.c index 232d3003095..3586720d0ad 100644 --- a/sys/kern/kern_pledge.c +++ b/sys/kern/kern_pledge.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_pledge.c,v 1.226 2017/12/12 01:12:34 deraadt Exp $ */ +/* $OpenBSD: kern_pledge.c,v 1.227 2018/01/08 11:54:28 mpi Exp $ */ /* * Copyright (c) 2015 Nicholas Marriott <nicm@openbsd.org> @@ -1123,6 +1123,14 @@ pledge_ioctl(struct proc *p, long com, struct file *fp) if (cdevsw[major(vp->v_rdev)].d_open != ptmopen) break; return (0); + case TIOCUCNTL: /* vmd */ + if ((p->p_p->ps_pledge & PLEDGE_RPATH) == 0) + break; + if ((p->p_p->ps_pledge & PLEDGE_WPATH) == 0) + break; + if (cdevsw[major(vp->v_rdev)].d_open != ptcopen) + break; + return (0); #endif /* NPTY > 0 */ case TIOCSPGRP: if ((p->p_p->ps_pledge & PLEDGE_PROC) == 0) |