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Re: Fine-grained permissions on checked out files?

From: Blair Zajac <blair_at_orcaware.com>
Date: 2002-08-21 19:44:05 CEST

Justin Erenkrantz wrote:
> On Wed, Aug 21, 2002 at 05:13:33PM +0200, Branko ??ibej wrote:
> > Well, the first thought and concern is that this is extremely
> > Unix-centric -- but I guess you're aware of that. :-) The second thing
> > that comes to mind is that, to make this complete, you'd have to store
> > the file's owner and/or group, too.
> That could be added via svn:owner, svn:group. In my case, I wouldn't
> want that as the owner or group may change, but I want the
> permissions to be the same.
> > All of which leads towards storing and restoring ACLs.
> Exactly. I believe that this can become a feature of the SCM rather
> than something it ignores.
> > So: +0 if you can come up with a generic way to describe a file's ACL,
> > and use that, even if it's initially only used for Unix permission bits.
> > If it can be used to version NT ACLs and various Unix ACL flavours, I'd
> > be quite happy. (You do realize, of course, that if you go this way,
> > then sooner or later ther'll have to be a generic ACL API in APR, too --
> > but then, you're just the right person to design something like that. :-)
> In the past, OtherBill has commented that the ACLs in NT are in no
> way compatible with the ACLs in Unix. Now, I know nothing of how
> Win32 stores permissions. If we can determine a common mapping
> that works for both models, that would be great. Sooo, perhaps
> we should bring this up on dev@apr and see if OtherBill bites?

All of the network appliance boxes (Network Appliance, Blue Arc) have
to deal with this issue given that they share filesystems to Unix and
Windows clients at the same time, so I'm guessing there's been some
prior work on these issues. I don't know if looking at Samba would


Blair Zajac <blair@orcaware.com>
Web and OS performance plots - http://www.orcaware.com/orca/
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Received on Wed Aug 21 19:44:41 2002

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