Re: [v9.1] Add security hook on initialization of instance - Mailing list pgsql-hackers

From KaiGai Kohei
Subject Re: [v9.1] Add security hook on initialization of instance
Date
Msg-id 4C195F32.1050008@ak.jp.nec.com
Whole thread Raw
In response to Re: [v9.1] Add security hook on initialization of instance  (Stephen Frost <sfrost@snowman.net>)
Responses Re: [v9.1] Add security hook on initialization of instance  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
(2010/06/16 21:37), Stephen Frost wrote:
> KaiGai,
> 
> * KaiGai Kohei (kaigai@ak.jp.nec.com) wrote:
>> On the other hand, a security feature have to identify the client and
>> assign an appropriate set of privileges on the session prior to it being
>> available for users.
> [...]
>> However, here is no hooks available for the purpose.
> 
> I believe we understand the issue now, my point was that in the future
> let's have this discussion first.
> 
>> One idea is, as Robert suggested, that we can invoke getpeercon() at
>> the first call of SELinux module and store it on the local variable.
>> It will work well as long as getpeercon() does not cause an error.
> 
> Let's work with this approach to build a proof-of-concept that at least
> the DML hook will work as advertised.  We've got alot of time till 9.1
> and I think that if we can show that a module exists that implements
> SELinux using the DML hook, and that a few other hooks are needed to
> address short-comings in that module, adding them won't be a huge issue.
> 
OK, fair enough. Please wait for a few days.
I'll introduce the proof-of-concept module until this week.

Thanks,
-- 
KaiGai Kohei <kaigai@ak.jp.nec.com>


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