Darren J Moffat <Darren.Moffat at sun.com> wrote:

> > Specifically it may cause non-deterministic behavior.  Sorting the group
> > list will cause deterministic behavior, but that is probably worse.
> > Ideally we could just wave our hands and make AUTH_SYS go away.  But we
> > can't.  What we can do though is this: the NFS server could look up the
> > group memberships of the UID asserted by an AUTH_SYS client.
>
> That would actually help in a few edge case configs even when the group 
> list is less than 16.  Having AUTH_SYS just ignore the supplementary 
> groups all together and collect them itself would be useful - but likely 
> a performance impact since now we need a nameservice lookup.

There may be a problem with not sorting in case that order of the supplemtary 
groups is a result if hashing or using binry trees in the naming service.
Not sorting in such a case could result in non-deterministic behavior after
an data base upgrade was done.

J?rg

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 EMail:joerg at schily.isdn.cs.tu-berlin.de (home) J?rg Schilling D-13353 Berlin
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