On Thu, Jun 11, 2015, at 06:51 AM, Jan Kurik wrote:
> = Proposed System Wide Change: SELinux policy store migration =
> https://fedoraproject.org/wiki/Changes/SELinuxPolicyStoreMigration
>
> Change owner(s):
> * Petr Lautrbach <plautrba at redhat dot com>
> * Miroslav Grepl <mgrepl at redhat dot com>
>
> The newest SELinux userspace project release 2015-02-02 includes a change of
> the location of the SELinux policy store, which defaults to
> /var/lib/selinux/.
This will need to support having an empty /var on boot in order to be compatible
with both rpm-ostree and the systemd factory reset work. For most of user
space,
the simplest implementation of this is to just have a systemd-tmpfiles unit that
copies data on startup. But policy is currently loaded very early after switch
root. This
will require that /var be mounted too.
It will also mean rpm-ostree rollbacks by default won't affect the selinux
policy, which is
a major and unfortunate change.
The listed benefit is:
-moving the policy store out of /etc
user could easily get back Factory setup by removing a directory out of
/etc
Note that OSTree provides that today - all the /etc defaults are copied into
/usr/etc, so at any point you can easily reset things. (This is different from
the systemd effort for an empty /etc).
It seems far simpler to just keep things in /etc, but teach the tools to read
/usr. Then *only if* I create a custom local policy, my changes are tracked
in /etc, and the local compiled policy file lives there too.
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