Re: Network isolation with RLIMIT_NETWORK, cont'd.

Bryan Donlan
2009-12-17T18:25:21Z

On Thu, Dec 17, 2009 at 12:31 PM, Mark Seaborn <mrs@mythic-beasts.com> wrote:

> Maybe we could fix (b) by making mount namespaces into first class objects
> that can be named through a file descriptor, so that one process can
> manipulate another process's namespace without itself being subject to the
> namespace.

Can this be done using openat() and friends currently? It would seem
the natural way to implement this; open /proc/(pid)/root, then
openat() things from there (or even chdir to it and see the mounts
that it sees from there...)