Re: ACLs

[Colin Percival <cperciva@tarsnap.com>]

Hi all,

On 12/12/13 01:51, Tim Bishop wrote:
> I dug a little more and realised what I'd done wrong. I was using ZFS so
> I'd used NFSv4 ACLs rather than POSIX ACLs. It looks like they're not
> supported by tar or tarsnap yet. When I repeated the test with POSIX
> ACLs it worked in both tar and tarsnap.

Hmm!

> I wonder if there's some compatibility issue between libarchive and
> POSIX ACLs on Linux? (asked Google) Yes, there does appear to be some
> problems there:
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=993048
> http://pkgs.fedoraproject.org/cgit/libarchive.git/commit/?id=da58d4e8afce6acca54475be528f6b948aa2951a
> 
> Colin - do you know which version of libarchive tarsnap is based on? (I
> am correct in my recollection that tarsnap uses libarchive, right?)
> Although it's not immediately clear to me if that fix has been merged.

Tarsnap uses quite an old libarchive -- I've been meaning to upgrade it for
a long time (but as usual, there's always more urgent things to do...).
I'll make a note to check on the status of POSIX ACLs when I do this.

-- 
Colin Percival
Security Officer Emeritus, FreeBSD | The power to serve
Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid