Re: Updates of SE-PostgreSQL 8.4devel patches (r1268) - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Updates of SE-PostgreSQL 8.4devel patches (r1268)
Date
Msg-id 200812101110.mBABAjQ01237@momjian.us
Whole thread Raw
In response to Re: Updates of SE-PostgreSQL 8.4devel patches (r1268)  (Simon Riggs <simon@2ndQuadrant.com>)
List pgsql-hackers
Simon Riggs wrote:
> 
> On Tue, 2008-12-09 at 03:33 +0900, KaiGai Kohei wrote:
> > Tom Lane wrote:
> > > KaiGai Kohei <kaigai@ak.jp.nec.com> writes:
> > >> Bruce Momjian wrote:
> > >>> I assume that could just be always enabled.
> > > 
> > >> It is not "always" enabled. When we build it with SE-PostgreSQL feature,
> > >> rest of enhanced security features (includes the row-level ACL) are
> > >> disabled automatically, as we discussed before.
> > > 
> > > It seems like a pretty awful idea to have enabling sepostgres take away
> > > a feature that exists in the default build.
> > 
> > Why?
> > 
> > The PGACE security framework allows one or no enhanced security
> > mechanism at most. It is quite natural that the default selection
> > is overrided when an alternative option is chosen explicitly.
> 
> I'm finding these discussions very confusing to follow, sorry about
> that.

It isn't you;  it _is_ hard to follow.  ;-)  No one is at fault;  the
topic is just complex.

> We now have a parameter option that allows you to have row level
> security in non-mandatory mode, which is good. But in order to get that
> we need to build the server with a special configure option.

No, that was removed at my request so it is always available.

> My previous objective was to remove the need for a configure option, so
> we can enable row-level security in the default distribution of
> Postgres. Are we going to enable that option in all normal distros? If
> yes, why is it a configure option (at all)?

Option is gone in the most recent patch and it is always enabled.  We
still have a configure option to enable SE-Linux features.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +


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