On FreeBSD, each container has its own devfs instance with a ruleset
that controls what the container can see. To expose devices to a
container we add rules to its devfs to make the requested devices
visible. For privileged containers, we use 'ruleset=0' which makes
everything visible.
This shares the ParseDevice function with Linux so it moves to
config_common.go from config_linux.go.
Signed-off-by: Doug Rabson <dfr@rabson.org>
Want to allow users to specify --security-opt unmask=/proc/*.
This allows us to run podman within podman more securely, then
specifing umask=all, also gives the user more flexibilty.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>