Re: [PATCH] Fix leaky VIEWs for RLS

Stephen Frost <sfrost@snowman.net>

From: Stephen Frost <sfrost@snowman.net>
To: Robert Haas <robertmhaas@gmail.com>
Cc: KaiGai Kohei <kaigai@ak.jp.nec.com>, Tom Lane <tgl@sss.pgh.pa.us>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, marc@bloodnok.com, pgsql-hackers@postgresql.org
Date: 2010-06-08T02:19:52Z
Lists: pgsql-hackers
* Robert Haas (robertmhaas@gmail.com) wrote:
> 2010/6/7 KaiGai Kohei <kaigai@ak.jp.nec.com>:
> > Our headache is on functions categorized to middle-threat. It enables to
> > leak the given arguments using error messages. Here are several ideas,
> > but they have good and bad points.
> 
> I think we are altogether off in the weeds here.  We ought to start
> with an implementation that pushes nothing down, and then try to
> figure out how much we can relax that without too much compromising
> security.

I agree with this- and it's more-or-less what I was trying to propose in
my previous comments.  I'm not even sure we need to focus on not pushing
anything down at this point- I'd start with trying to get enough
information passed around/through the system to even *identify* the case
where there's a problem in the first place..

	Thanks,

		Stephen