Re: Updates of SE-PostgreSQL 8.4devel patches (r1268)

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: KaiGai Kohei <kaigai(at)ak(dot)jp(dot)nec(dot)com>, pgsql-hackers(at)postgresql(dot)org, KaiGai Kohei <kaigai(at)kaigai(dot)gr(dot)jp>
Subject: Re: Updates of SE-PostgreSQL 8.4devel patches (r1268)
Date: 2008-12-10 11:13:43
Message-ID: 200812101113.mBABDht01771@momjian.us
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Tom Lane wrote:
> KaiGai Kohei <kaigai(at)ak(dot)jp(dot)nec(dot)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.

Agreed. The problem is that the security column used for SQL-level row
security is reused to hold the SE-Linux ACL when SE-Linux is enabled. I
suppose the only way to enable them both in an SE-Linux build would be
to use a new optional column for SE-Linux and keep the SQL-level row
security optional column unchanged.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +

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