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Re: [grouper-users] Unix-like Group IDs?


Chronological Thread 
  • From: "Dr. Loris Bennett" <>
  • To: Tom Barton <>
  • Cc: Grouper Users Mailing List <>
  • Subject: Re: [grouper-users] Unix-like Group IDs?
  • Date: Wed, 11 Mar 2009 07:46:41 +0000
  • Organization: Freie Universität Berlin

Hi Tom,


On Tue, 2009-03-10 at 14:12 -0500, Tom Barton wrote:
> Loris,
>
> Would grouper be the "system of record" for gid's, or would those come
> from an external, authoritative source or sources? I guess I'm asking if
> you want grouper to replace the group-map functionality of yellow
> pages/NetInfo/NIS[+], or if you just need it to convey a replica of that
> map.

On the one hand, our first customer "just wants to have" his existing
GIDs in the LDAP tree provisioned by Grouper. On the other we thought it
might be of general use if groups could be given a university-wide Unix
GID. Thus, Grouper would indeed be the system of record for GIDs and
system could use the provisioned LDAP tree as a NIS-replacement, if
needed.

Loris

> Tom
>
> Dr. Loris Bennett wrote:
> > Hi,
> >
> > I am planning to introduce unix-like group IDs for some groups within
> > grouper. Currently I have:
> >
> > - A custom type with a group ID as an attribute
> > - A database sequence for the IDs
> > - A hook which inserts an ID from the sequence when a group is created
> > with the corresponding custom type.
> >
> > What I still need are:
> >
> > - A mechanism to ensure that an ID is not used more than once (e.g. some
> > sort of DB constraint on the attribute value)
> > - A mechanism to prevent the ID being changed (probably just setting the
> > write privilege accordingly)
> > - Perhaps a view of display names and group IDs
> >
> > Since it seems to me that this is a rather general feature that others
> > might require, I was wondering whether:
> >
> > a) anyone has already done this
> > b) whether, should there be interest, such a feature could be packaged
> > as an add-on for grouper
> >
> > Thoughts?
> >
> > Loris
> >
>
--
Dr. Loris Bennett (Mr.)
Freie Universität Berlin
ZEDAT - Zentraleinrichtung für Datenverarbeitung / Computer Center
Compute & Media Service
Fabeckstr. 32, Room 221
D-14195 Berlin
Tel ++49 30 838 51024
Fax ++49 30 838 56721
Email

Web www.zedat.fu-berlin.de




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