Re: security label support, part.2

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От Robert Haas
Тема Re: security label support, part.2
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Msg-id AANLkTi=q7H=M4sW-CA+oZd2E++oxdO=zmDa54UJu90ws@mail.gmail.com
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Ответ на Re: security label support, part.2  (Stephen Frost <sfrost@snowman.net>)
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On Wed, Aug 18, 2010 at 8:49 AM, Stephen Frost <sfrost@snowman.net> wrote:
> In the end, I'm thinking that if the external security module wants to
> enforce a check against all the children of a parent, they could quite
> possibly handle that already and do it in such a way that it won't break
> depending on the specific query.  To wit, it could query the catalog to
> determine if the current table is a parent of any children, and if so,
> go check the labels/permissions/etc on those children.  I'd much rather
> have something where the permissions check either succeeds or fails
> against the parent, depending on the permissions of the parent and its
> children, than on what the query is itself and what conditionals are
> applied to it.

Interesting idea.  Again, I haven't read the code, but seems worth
further investigation, at least.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company


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