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: 68+ 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
2015-02-21 1:04 ` Andy Lutomirski
[not found] ` <b321c0c2729d1c2a72aea319b077dce7afd79698.1424480579.git.luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>
2015-03-26 19:29 ` Andy Lutomirski
2015-03-26 19:29 ` Andy Lutomirski
[not found] ` <CALCETrVtGE8LdBCFTe1_cqpLf=SxPNX5iCe5wa-hZ0pe8ps_jA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-03-27 9:03 ` James Bottomley
2015-03-27 9:03 ` James Bottomley
2015-03-31 7:57 ` Alexander Larsson
[not found] ` <1427788642.4411.12.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-03-31 13:06 ` Andy Lutomirski
2015-03-31 13:06 ` Andy Lutomirski
2015-03-31 13:07 ` James Bottomley
2015-03-31 13:07 ` James Bottomley
[not found] ` <1427807248.2117.117.camel-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org>
2015-03-31 13:11 ` Alexander Larsson
2015-03-31 13:12 ` Andy Lutomirski
2015-03-31 13:11 ` Alexander Larsson
2015-03-31 13:12 ` Andy Lutomirski
[not found] ` <CALCETrWKA4ZdHfdLuW0_W5xxJOSCJdt_fiRWs6vDk+8ZQ9n9iA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-03-31 13:23 ` James Bottomley
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
[not found] ` <CALCETrU1vKf3fXPt8nS-ABDgfp8NxrFjHwTc68rA0rtvg2Lufg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-03-31 14:08 ` James Bottomley
2015-03-31 14:08 ` James Bottomley
[not found] ` <1427810886.2117.129.camel-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org>
2015-03-31 14:17 ` Alexander Larsson
2015-03-31 14:17 ` Alexander Larsson
[not found] ` <1427811444.4411.20.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-04-02 10:12 ` James Bottomley
2015-04-02 10:12 ` James Bottomley
[not found] ` <1427969525.3559.120.camel-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org>
2015-04-02 14:06 ` Andy Lutomirski
2015-04-02 14:06 ` Andy Lutomirski
2015-04-02 14:29 ` Alexander Larsson
[not found] ` <1427984969.13651.11.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-04-02 14:33 ` Andy Lutomirski
2015-04-02 14:33 ` Andy Lutomirski
[not found] ` <CALCETrWYit+WiAM6DFm0enGeJN==uWNC63zXp_zRSsSJg2YGPg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-04-02 15:49 ` Serge Hallyn
2015-04-02 15:49 ` Serge Hallyn
2015-04-02 18:27 ` Eric W. Biederman
2015-04-02 18:27 ` Eric W. Biederman
[not found] ` <87zj6qs7v8.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-27 21:32 ` Andy Lutomirski
2015-05-27 21:32 ` Andy Lutomirski
[not found] ` <CALCETrVGcCA2SMiDT8JN=AWiSFCXWSaMeKBQmkbKynKfiPJCwA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-28 16:44 ` Eric W. Biederman
2015-05-28 16:44 ` Eric W. Biederman
2015-05-28 17:01 ` Alexander Larsson
[not found] ` <1432832511.21304.6.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-05-28 17:14 ` Eric W. Biederman
2015-05-28 17:14 ` Eric W. Biederman
2015-05-28 17:35 ` Alexander Larsson
[not found] ` <87mw0omxp0.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-28 17:35 ` Alexander Larsson
2015-05-28 20:06 ` Alexander Larsson
2015-05-28 20:06 ` Alexander Larsson [this message]
2015-05-28 20:17 ` Kenton Varda
[not found] ` <CAOP=4wggpXOC4qLWgNAdw7Ws4vtYR=hscNYzDCfby+-VUxhoQg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-28 21:50 ` Eric W. Biederman
2015-05-28 21:50 ` Eric W. Biederman
[not found] ` <1432843577.9873.1.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-05-28 20:17 ` Kenton Varda
2015-05-28 17:30 ` Andy Lutomirski
2015-05-28 17:30 ` Andy Lutomirski
[not found] ` <CALCETrUueGomqFG0DSpt5Ern-XW6DE+rAEkd=3Y2ekV+gOwLAA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-28 19:42 ` Eric W. Biederman
2015-05-28 19:42 ` Eric W. Biederman
[not found] ` <87siagh4kh.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2016-03-08 4:59 ` Andy Lutomirski
2016-03-08 4:59 ` Andy Lutomirski
[not found] ` <CALCETrXNyyG-LZ8ds5ALbWs_Tfonev4+Ci=XZwWFqsSeszes8g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-03-08 9:16 ` Alexander Larsson
2016-03-08 9:16 ` Alexander Larsson
[not found] ` <1457428591.27353.55.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-03-08 18:17 ` Andy Lutomirski
2016-03-08 18:17 ` Andy Lutomirski
[not found] ` <87oal4odne.fsf-JOvCrm2gF+uungPnsOpG7nhyD016LWXt@public.gmane.org>
2015-05-28 17:01 ` Alexander Larsson
[not found] ` <CALCETrWyUYgHY53O451AdJUs9Mcjsqmr4fUzoNmYsTP1HLq+VA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-04-02 14:29 ` Alexander Larsson
[not found] ` <1427810118.2117.126.camel-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org>
2015-03-31 13:59 ` Andy Lutomirski
[not found] ` <CALCETrW8v1NFa7fcJbyJKXk9Msudht5BJ7Zy1Rg7ZC_TS-2Y-Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-03-31 13:55 ` James Bottomley
[not found] ` <1427808184.2117.122.camel-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org>
2015-03-31 13:44 ` Andy Lutomirski
[not found] ` <1427447013.2250.9.camel-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org>
2015-03-31 7:57 ` Alexander Larsson
2015-05-18 21:04 ` Alexander Larsson
2015-05-18 21:04 ` Alexander Larsson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1432843577.9873.1.camel@redhat.com \
--to=alexl@redhat.com \
--cc=James.Bottomley@hansenpartnership.com \
--cc=containers@lists.linux-foundation.org \
--cc=ebiederm@xmission.com \
--cc=gnome-os-list@gnome.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=mclasen@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.