Thanks Mogen!

Jared

On Wednesday 01 January 2003 21:03, Mogens Nørgaard wrote:
> Good morning,
>
> A few days ago there was a debate about the issue with
> invoker/definer-stuff. I wrote to Mary Ann Davidson, who's responsible
> for Oracle security things (she's the female guru you may have seen on
> the big posters at Oracle World both in Copenhagen and San Francisco).
> So I forwarded the thread to her, and here's the response from Paul
> Needham of her team (who by the way was impressed with the knowledge
> level of the list contributors).
>
> Mogens
>
> ------------------------------------------------------------------------
>
> The invoker-rights functionality was developed to allow code to be
> shared across multiple schemas.  The definer-rights functionality
> sometimes required that the same stored procedure exist in multiple
> locations, creating maintenance headaches.  The invoker-rights model
> solves this problem.
>
> Most applications are designed such that the data and application
> program units reside in the same schema.  In this situation the issue of
> privilege propagation usually isn't a problem.  In situations where a
> program unit depends on an external program unit in a different schema,
> the owner of the external program unit would need to give the other user
> execute privilege explicitly.
>
> Oracle security product management continually reviews enhancement
> requests submitted by customers.  To date there hasn't been broad demand
> for new security in this area beyond what has been provided via the
> introduction of the invoker-rights facility.  Oracle9i introduced the
> secure application role and global application context which are
> designed for proxy architectures.  The secure application role restricts
> enabling a role to a set role command in a named security package.  The
> security package can perform it's own security checks prior to invoking
> the set role command.
>
> ------------------------------------------------------------------------

----------------------------------------
Content-Type: text/html; charset="us-ascii"; name="Attachment: 1"
Content-Transfer-Encoding: 7bit
Content-Description: 
----------------------------------------
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Jared Still
  INET: [EMAIL PROTECTED]

Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
San Diego, California        -- Mailing list and web hosting services
---------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).

Reply via email to