Re: Supporting multiple OS releases

[Rob Crittenden <rcritten@xxxxxxxxxx>]

Stephen Smalley wrote:
> On Tue, 2009-06-30 at 16:41 -0400, Rob Crittenden wrote:
> > Daniel J Walsh wrote:
> > > On 06/30/2009 10:08 AM, Rob Crittenden wrote:
> > > > In the freeIPA project we have our own SELinux policy. We support RHEL 5
> > > > up through Fedora Rawhide. With Fedora 11 we saw some problems compiling
> > > > our SELinux module which Dan Walsh provided a patch for. I haven't tried
> > > > this on older releases yet but I'm guessing it won't work as expected
> > > > (some policies seem to have been renamed, such as
> > > > corenet_non_ipsec_sendrecv() -> corenet_all_recvfrom_unlabeled()
> > > >
> > > > My question is, how can we handle this in our source tree? Are we going
> > > > to need to maintain per-release policies or does SELinux support some
> > > > sort of versioning conditionals?
> > > >
> > > > thanks
> > > >
> > > > rob
> > > >
> > > >
> > > > ------------------------------------------------------------------------
> > > >
> > > > --
> > > > fedora-selinux-list mailing list
> > > > fedora-selinux-list@xxxxxxxxxx
> > > > https://www.redhat.com/mailman/listinfo/fedora-selinux-list
> > > The old interface will work, it just reports a nasty warning message 
> > > when you compile it against newer policy.  So I think you are safe 
> > > compiling it on RHEL5 and installing it on F10/F11.
> > We compile it on the given platform so we need some way to support all 
> > at once.
> >
> > For example, the code that builds fine on F-11 fails like this on F-9:
> >
> > Compiling targeted ipa_webgui module
> > /usr/bin/checkmodule:  loading policy configuration from tmp/ipa_webgui.tmp
> > ipa_webgui.te":77:ERROR 'syntax error' at token 
> > 'userdom_dontaudit_search_admin_dir' on line 10764:
> > userdom_dontaudit_search_admin_dir(ipa_webgui_t)
> >
> > The diff between F-11 and F-9 being:
> >
> > -userdom_dontaudit_search_sysadm_home_dirs(ipa_webgui_t)
> > +userdom_dontaudit_search_admin_dir(ipa_webgui_t)
>
> Try adding this to your module .if file:
> ifdef(`userdom_dontaudit_search_admin_dir', `', ` dnl
> interface(`userdom_dontaudit_search_admin_dir', `
>     userdom_dontaudit_search_sysadm_home_dirs($1)
> ')
> ')
>
> And then use userdom_dontaudit_search_admin_dir throughout your
> module .te file.  Then it should get remapped if not defined.

This is exactly what I was looking for, thanks.

rob

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