Polyinstantiated /tmp

Daniel J Walsh dwalsh at redhat.com
Mon Nov 1 12:37:20 UTC 2010

Hash: SHA1

On 10/31/2010 03:07 PM, Matt McCutchen wrote:
> On Wed, 2010-10-20 at 08:13 -0400, Daniel J Walsh wrote:
>> I have been trying to get system processes to stop using /tmp for years.
>> http://danwalsh.livejournal.com/11467.html
>> As some one who lives with polyinstatiated namespace /tmp,  The only
>> problem I know of now is handing of kerberos tickets.  Whenever a system
>> process (root) needs to communicate with a user via /tmp.  namespace
>> /tmp breaks it.  sssd can not create kerberos tickets in my /tmp and
>> gssd can not find my kerberos tickets in /tmp.  I believe the solution
>> to both is to move the tickets to be managed by sssd and leave /tmp to
>> users.
>> BTW, X has solved this problem a couple of years ago by using virtual
>> namespace for its sockets.
> In the abstract namespace, don't you have the same problem where if the
> real X server dies for any reason, other users can create a socket at
> the same path and mess with your applications?
Yes although there, you can only create sockets.
Version: GnuPG v1.4.11 (GNU/Linux)
Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/


More information about the devel mailing list