Re: Adding support for SE-Linux security

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Martijn van Oosterhout <kleptog(at)svana(dot)org>
Cc: Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Robert Haas <robertmhaas(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Josh Berkus <josh(at)agliodbs(dot)com>, KaiGai Kohei <kaigai(at)ak(dot)jp(dot)nec(dot)com>, jd(at)commandprompt(dot)com, David Fetter <david(at)fetter(dot)org>, KaiGai Kohei <kaigai(at)kaigai(dot)gr(dot)jp>, Itagaki Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Subject: Re: Adding support for SE-Linux security
Date: 2009-12-08 21:29:09
Message-ID: 1260307749.13858.2.camel@vanquo.pezone.net
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On mån, 2009-12-07 at 17:33 +0100, Martijn van Oosterhout wrote:
> On Mon, Dec 07, 2009 at 01:09:59PM -0300, Alvaro Herrera wrote:
> > > Given the extreme patience and diligence exhibited by KaiGai, I
> > > hesitate to say this, but it seems to me that this would be
> > > critically important for the long term success of this feature. I
> > > have no idea how much work it would be to make the interface to the
> > > external security system pluggable, but if it's at all feasible, I
> > > think it should be done.
> >
> > This is how the code was developed initially -- the patch was called
> > PGACE and SELinux was but the first implementation on top of it.
>
> I find it astonishing that after SE-PgSQL was implemented on top of a
> pluggable system (PGACE) and this system was removed at request of the
> "community" [1] that at this late phase people are suggesting it needs
> to be added back again. Havn't the goalposts been moved enough times?

PGACE wasn't a plugin system. It was an API inside the core code. If
it had been a plugin system, this would have been much easier, because
the plugin itself could have been developed independently.

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