| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Stephen Frost <sfrost(at)snowman(dot)net> |
| Cc: | Josh Berkus <josh(at)agliodbs(dot)com>, Craig Ringer <craig(at)2ndquadrant(dot)com>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Harold Giménez <harold(at)heroku(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: proposal: hide application_name from other users |
| Date: | 2014-01-22 01:08:27 |
| Message-ID: | 20140122010827.GB29782@awork2.anarazel.de |
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| Lists: | pgsql-hackers |
On 2014-01-21 20:00:51 -0500, Stephen Frost wrote:
> * Josh Berkus (josh(at)agliodbs(dot)com) wrote:
> > It would be really nice to be able to GRANT/REVOKE on some of these
> > special system views ...
Just define a security definer wrapper function + view, that afair works
perfectly fine.
> Well, we actually *can* issue grant/revoke against the underlying
> function calls, but we are also doing permissions checks *in* those
> functions, ignoring our own GRANT system.
> Don't know what folks think of removing those in-the-function checks in
> favor of trusting the grant/revoke system to not allow those functions
> to be called unless you have EXECUTE privileges on them..
Well, they *do* return some information when called without superuser
privileges. Just not all columns for all sessions. I don't think you can
achieve that with anything in our permission system.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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