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Re: [0/4] Proposal of SE-PostgreSQL patches

From: KaiGai Kohei <kaigai(at)kaigai(dot)gr(dot)jp>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: Kohei KaiGai <kaigai(at)ak(dot)jp(dot)nec(dot)com>, pgsql-patches(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [0/4] Proposal of SE-PostgreSQL patches
Date: 2008-03-17 14:45:47
Message-ID: 47DE841B.7030903@kaigai.gr.jp (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
Alvaro Herrera wrote:
> KaiGai Kohei wrote:
>> Alvaro Herrera wrote:
> 
>>> Before we go any further, is this work derived from SELinux?  If so, is
>>> it covered under the GPL?  If so, can it be licensed under BSD terms?
>> All of SE-PostgreSQL works are licensed unser BSD terms.
>> We are considering to push SE-PostgreSQL into upstreamed PostgreSQL from
>> the beginning, and we understand to choose GPL makes it impossible.
> 
> Right.  The question is: since this is derived from SE-Linux, is it
> affected by SE-Linux license?

No, SE-PostgreSQL does not derivered from SELinux.

I guess you worry about SE-PostgreSQL contains a part of SELinux licensed
as GPL, but it is incorrect.
SE-PostgreSQL communicate with SELinux to make its decision in access control,
via an official interface provided by libselinux, because it does not have
information to make its decision.
The libselinux is linked with SE-PostgreSQL, but it is licensed as public
domain software by NSA.

Therefore, we have no issues related to imcompatible licenses.

Thanks,
-- 
KaiGai Kohei <kaigai(at)kaigai(dot)gr(dot)jp>

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