[Nix-dev] The X unix socket

[Lluís Batlle]

I tried, and any other users in my nixos can spawn windows in my
server, only setting DISPLAY=:0.

Maybe we have something wrong for xauth, the magic auth string, or
things like that?

Regards,
Lluís.

2010/3/11 Steve Roggenkamp <roggenkamps at acm.org>:
> This is the same as my Debian installation.
>
> This is actually a UNIX socket the X Windows server uses for interprocess
> communication.  The socket is owned by the X windows server which runs as
> root since it has to control the display device.  The permissions allow an
> arbitrary client to connect with the X Windows server.
>
> I think this is how all Linux have X Windows configured, or at least my
> Debian and Ubuntu installations.
>
> I'm thinking you would have to change the Xorg code to change the
> permissions since this socket gets opened when the Xorg server starts.  Then
> I suppose you could create a group that would be allowed to communicate with
> the socket.  I've not done that much coding with UNIX sockets, so I'd have
> to do some research to know whether this would even be feasible.
>
> Hope this makes sense.
>
> Steve
>
> Lluís Batlle wrote:
>
> Hello,
>
> using kdm, I found this:
> $ ls -l /tmp/.X11-unix/X0
> srwxrwxrwx 1 root root 0  7 mar 21:51 /tmp/.X11-unix/X0
>
> I don't like those permissions much. Can anyone suggest a better way
> to handle that in nixos? Why it has permissions 777 and ownership
> rooot?
>
> Regards,
> Lluís.
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