From: Shaya Potter <spotter@cs.columbia.edu>
To: linux-kernel@vger.kernel.org
Subject: Re: more thoughts on a new jail() system call
Date: 19 Jul 2002 12:35:19 -0400 [thread overview]
Message-ID: <1027096520.2635.56.camel@zaphod> (raw)
In-Reply-To: <200207190306.g6J366956014@saturn.cs.uml.edu>
On Thu, 2002-07-18 at 23:06, Albert D. Cahalan wrote:
>
> >> sys_vhangup) NOT SURE - Should be fine, right?
> >
> > Seems ok to me.
>
> Have fun with devpts.
what would happen if a jail had virtualized ttys? i.e. they each had
tty1,2,3,4..... and this was transalted to an open real tty when needed,
and the transalation mapping being kept in the prison struct?
>
> >> sys_getsid) NOT SURE - whats it for?
> >
> > You shouldn't be able to call getsid() on some other
> > process outside the jail. Also, calling getsid() on
> > yourself might reveal information about your parent,
> > like getppid() or getpgid() (minor).
>
> Your parent ought to be 1.
yes.
next prev parent reply other threads:[~2002-07-19 16:32 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-18 2:26 more thoughts on a new jail() system call Shaya Potter
2002-07-18 2:30 ` Shaya Potter
2002-07-19 0:21 ` David Wagner
2002-07-19 2:08 ` Thunder from the hill
2002-07-19 4:18 ` James Antill
2002-07-19 4:55 ` Thunder from the hill
2002-07-19 7:48 ` James Antill
2002-07-19 3:06 ` Albert D. Cahalan
2002-07-19 3:23 ` David Wagner
2002-07-19 16:35 ` Shaya Potter [this message]
2002-07-19 21:10 ` Shaya Potter
2002-07-19 7:46 ` Ville Herva
2002-07-19 16:24 ` Shaya Potter
2002-07-19 16:34 ` Shaya Potter
2002-07-19 22:48 ` Shaya Potter
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