Create a *real* top level window

[Julien Cristau]

On Mon, Sep 27, 2010 at 16:13:34 +0300, Timo Juhani Lindfors wrote:

> Carsten Haitzler (The Rasterman) <raster at rasterman.com> writes:
> > logged in user is king. you'd have to modify the xserver itself to have such a
> > separation and provide a back-channel that can only be accessed by root to
> > implement what you want. reality otherwise is that any x client can kill off
> 
> Thank you, this discussion inspired me to write a hack. The basic idea
> is that Xorg listens on /tmp/.X11-unix/X1 instead of /X0 and a socat
> process proxies traffic from /X0 to /X1. When the SAK key is hit, root
> can kill -STOP socat to prevent the X clients of the normal user from
> interfering. root can then run X applications that talk directly to
> /X1.
> 
Sorry if I missed it, but what prevents normal users from connecting to
:1 directly?

Cheers,
Julien