From: | Stephen Frost <sfrost(at)snowman(dot)net> |
---|---|
To: | KaiGai Kohei <kaigai(at)ak(dot)jp(dot)nec(dot)com> |
Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, KaiGai Kohei <kaigai(at)kaigai(dot)gr(dot)jp>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: [v9.1] Add security hook on initialization of instance |
Date: | 2010-06-16 12:37:09 |
Message-ID: | 20100616123709.GN21875@tamriel.snowman.net |
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Lists: | pgsql-hackers |
KaiGai,
* KaiGai Kohei (kaigai(at)ak(dot)jp(dot)nec(dot)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.
Thanks,
Stephen
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