Re: Backups with rsync totally broken in Fedora 18

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"Daniel J Walsh wrote:"
> 
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> On 01/18/2013 09:29 PM, David Highley wrote:
> > "David Highley wrote:"
> >> 
> >> "Daniel J Walsh wrote:"
> >>> 
> > On 01/18/2013 09:20 AM, David Highley wrote:
> >>>>> Upgraded a test box to Fedora 18 and have tried to get rsync
> >>>>> backups to it working. Looked at many discussions about backing up
> >>>>> in a selinux environment and all discussions seemed to be
> >>>>> incomplete.
> >>>>> 
> >>>>> Most indicate you should not keep selinux labels, but none of those
> >>>>>  discussion indicate what options to change. After working on a
> >>>>> thousand line policy file I'm beginning to think you just want to
> >>>>> completely turn off any audit of the rsync domain.
> >>>>> 
> >>>>> Is this how we should approach backups? If you do not preserve
> >>>>> selinux labels what should the backup location get labeled to?
> >>>>> 
> >>>>> I'm surprised as long as selinux has been in use that a template
> >>>>> with details has not been defined for this. By the way I had just
> >>>>> submitted an enhancement bug report for rsync with examples of
> >>>>> getting it to function with systemd control. -- selinux mailing
> >>>>> list selinux@xxxxxxxxxxxxxxxxxxxxxxx 
> >>>>> https://admin.fedoraproject.org/mailman/listinfo/selinux
> >>>>> 
> > Does this help?
> > 
> > http://danwalsh.livejournal.com/61646.html
> >>> 
> >>> I had found and read this information, but was not sure from it and the
> >>> other discussions that it was the right direction and if the right 
> >>> direction that it had complete information for doing the
> >>> implementation.
> >>> 
> >>> Has anyone tried this and has it worked out? Do you define the backup 
> >>> area as unconfined_u and relabel everything to that?
> >>> 
> > 
> >> OK, making rsync_t and unconfined domain gets rid of the AVCs. I still 
> >> have concerns that it is just opening up a bad whole in the system. Is 
> >> there a way of scoping it to only the back up area and or maybe forcing 
> >> what ever is copied to a benign state by labeling it to something safe?
> > 
> >>> 
> >> -- selinux mailing list selinux@xxxxxxxxxxxxxxxxxxxxxxx 
> >> https://admin.fedoraproject.org/mailman/listinfo/selinux
> >> 
> > -- selinux mailing list selinux@xxxxxxxxxxxxxxxxxxxxxxx 
> > https://admin.fedoraproject.org/mailman/listinfo/selinux
> > 
> 
> Well rsync_t policy if for running rsync as a daemon not as a client.
> 
> /usr/lib/systemd/system/rsyncd.service
> 
> I just checked a fix into the policy so that only rsynd when run as a service
> will transition to rsync_t.  But if you run it from a script or an application
> running as initrc_t, it will stay as the current domain.

Thanks, will check again when it is available. We are using rsync as
daemon spond by systemd.

> 
> If you are only running rsync as a client, adding unconfined_domain(rsync_t)
> will not give it more privs that initrc_t already has.
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-- 

Regards,

David Highley
Highley Recommended, Inc.       Phone: (206) 669-0081
2927 SW 339th Street            WEB: http://www.highley-recommended.com
Federal Way, WA 98023-7732
--
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https://admin.fedoraproject.org/mailman/listinfo/selinux



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