[refpolicy] Testing in the Reference Policy

[dac.override@gmail.com (Dominick Grift)]

On 08/22/2016 07:52 PM, Naftuli Tzvi Kay via refpolicy wrote:
> I'm currently working on a reference policy addition to restrict access for
> a given application. Up until now, I've been testing my application on a
> Fedora 24 Vagrant VM, compiling a non-base module and loading it into the
> kernel, running, testing, auditing, etc.
> 
> What I found is that I ended up using a lot of RedHat specific downstream
> macros, which aren't supported here upstream.
> 
> Is there a recommended way of testing reference policy code? How can I
> alter my Fedora Vagrant VM setup to cover the use case I'm after? Should I
> just compile the reference policy in my VM, relabel the filesystem, and
> then reboot and load the reference policy into the kernel?
> 
> My host OS is running Ubuntu 14.04, so it's not very useful for debugging
> SELinux things; I once tried getting SELinux running on my desktop
> <https://rfkrocktk.github.io/2015/12/selinux-on-ubuntu>, but X wouldn't
> start, etc. and I imagine the policy is pretty out of date.
> 
> How can I create an environment in which I can test my policy against the
> program I'm aiming to constrain? (Syncthing)

It does not have to be enforcing for testing purposes. So I suppose you
could just load refpolicy on f24, relabel the file system, and set it to
permissive.

You just have to ensure that your shell returns the right context with
id -Z (which should be pretty easy). Then you can start developing your
policy for your user application in permissive mode.

> 
> 
> 
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Dominick Grift

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