native posix permissions

[Shirish Kalele]

>
> >Have a look at Byron Deadwiler's paper that he presented at the CIFS
> >conference: http://www.snia.org/news/Byron%20Deadwiler%20Paper.doc
> >for the exact extensions that HP's proposed.
>
> The cifs-unix 2.0 spec does not provide any mapping from numeric ids to
> user and group names. It doesn't have to map to Windows users/groups, it
> only has to make some sense to the user (numeric ids don't).
>
Yep, that extension can either be made by adding on to SMB (a new opcode for
example) or flipping a flag in the LsaLookupSids/Names calls. Microsoft
could of course override our flags and opcodes with their own in future
specs. Shaky..!

SK