[Libguestfs] restrict access to host from guestfish

Richard W.M. Jones rjones at redhat.com
Wed Jul 29 16:30:00 UTC 2015


On Wed, Jul 29, 2015 at 06:32:15PM +0530, Raghu wrote:
> Hi Richard,
> 
> guestfish shell has an ability to execute commands on the host such as
> 
> !mkdir local
> tgz-out /remote local/remote-data.tar.gz
> 
> What is the best way to  restrict access to host from guestfish ?
> 
> For instance,
> 
> - Allow readonly access to host.. i.e., !ls is allowed
>        but dont allow !rm or !mkdir
> 
> - commands such as tgz-out, or copy-out should be able to access just
> /tmp,  but nothing else in host filesystem
> 
> Appreciate your guidance on this,

There's no way to do this at the moment, and no concept of a
"restricted shell" in guestfish.

How about running the guestfish command in a container or using a
restrictive SELinux/AppArmor policy?

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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