From: Alexander Larsson <alexl@redhat.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Andy Lutomirski <luto@amacapital.net>,
James Bottomley <James.Bottomley@hansenpartnership.com>,
gnome-os-list@gnome.org,
Linux Containers <containers@lists.linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
mclasen@redhat.com,
Linux FS Devel <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH] devpts: Add ptmx_uid and ptmx_gid options
Date: Thu, 28 May 2015 22:06:17 +0200 [thread overview]
Message-ID: <1432843577.9873.1.camel@redhat.com> (raw)
In-Reply-To: <87mw0omxp0.fsf@x220.int.ebiederm.org>
On Thu, 2015-05-28 at 12:14 -0500, Eric W. Biederman wrote:
>
> > Where does the second namespace enter into this?
>
> Step a. Create create a user namespace where uid 0 is mapped to your
> real uid, and set up your sandbox (aka mount /dev/pts and everything
> else).
>
> Step b. Create a nested user namespace where your uid is identity
> mapped and run your desktop application. You can even drop all caps
> in
> your namespace.
Just tried this. Its not the nicest, and it doubles the number of
namespaces in action for each sandbox, but it does work.
next prev parent reply other threads:[~2015-05-28 20:06 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-21 1:04 [PATCH] devpts: Add ptmx_uid and ptmx_gid options Andy Lutomirski
2015-03-26 19:29 ` Andy Lutomirski
2015-03-27 9:03 ` James Bottomley
2015-03-31 7:57 ` Alexander Larsson
2015-03-31 13:06 ` Andy Lutomirski
2015-03-31 13:07 ` James Bottomley
2015-03-31 13:11 ` Alexander Larsson
2015-03-31 13:12 ` Andy Lutomirski
2015-03-31 13:23 ` James Bottomley
2015-03-31 13:44 ` Andy Lutomirski
2015-03-31 13:55 ` James Bottomley
2015-03-31 13:59 ` Andy Lutomirski
2015-03-31 14:08 ` James Bottomley
2015-03-31 14:17 ` Alexander Larsson
2015-04-02 10:12 ` James Bottomley
2015-04-02 14:06 ` Andy Lutomirski
2015-04-02 14:29 ` Alexander Larsson
2015-04-02 14:33 ` Andy Lutomirski
2015-04-02 15:49 ` Serge Hallyn
2015-04-02 18:27 ` Eric W. Biederman
2015-05-27 21:32 ` Andy Lutomirski
2015-05-28 16:44 ` Eric W. Biederman
2015-05-28 17:01 ` Alexander Larsson
2015-05-28 17:14 ` Eric W. Biederman
2015-05-28 17:35 ` Alexander Larsson
2015-05-28 20:06 ` Alexander Larsson [this message]
2015-05-28 20:17 ` Kenton Varda
2015-05-28 21:50 ` Eric W. Biederman
2015-05-28 17:30 ` Andy Lutomirski
2015-05-28 19:42 ` Eric W. Biederman
2016-03-08 4:59 ` Andy Lutomirski
2016-03-08 9:16 ` Alexander Larsson
2016-03-08 18:17 ` Andy Lutomirski
2015-05-18 21:04 ` Alexander Larsson
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