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Re: Curious case of the unstoppable user

From: Steve Crawford <scrawford(at)pinpointresearch(dot)com>
To: Thom Brown <thom(at)linux(dot)com>
Cc: PGSQL Mailing List <pgsql-general(at)postgresql(dot)org>
Subject: Re: Curious case of the unstoppable user
Date: 2011-03-29 20:12:52
Message-ID: 4D923D44.2030906@pinpointresearch.com (view raw or flat)
Thread:
Lists: pgsql-general
On 03/29/2011 11:44 AM, Thom Brown wrote:
> Hi all,
>
> I've just set up a test user, revoked all access from them to a
> database, then tried to connect to that database and it let me in.
> When I try it all from scratch, it works correctly.
>
> Here's the set running correctly:
>
> postgres=# CREATE DATABASE testdb;
> CREATE DATABASE
> postgres=# CREATE ROLE testrole;
> CREATE ROLE
> postgres=# REVOKE ALL ON DATABASE testdb FROM testrole CASCADE;
> REVOKE
> postgres=# \c testdb testrole
> FATAL:  role "testrole" is not permitted to log in
> Previous connection kept
>
> But now if I try something similar with an existing user and existing
> database, it doesn't work:
>
> postgres=# REVOKE ALL ON DATABASE stuff FROM meow CASCADE;
> REVOKE
> postgres=# \c stuff meow
> You are now connected to database "stuff" as user "meow".
>
> So, I'm overlooking something.  Could someone tell me what it is?  I
> bet it's something obvious.  I'm using 9.1dev if it's relevant.
>
> Thanks
>
Not sure, but is user "meow" either the owner of the database "stuff" or 
member of a group that permits access to "stuff"?

Cheers,
Steve


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