Re: Permissions within a function

From: Hannu Krosing <hannu(at)tm(dot)ee>
To: Thomas Hallgren <thhal(at)mailblocks(dot)com>
Cc: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Permissions within a function
Date: 2004-12-17 19:40:50
Message-ID: 1103312449.3971.5.camel@fuji.krosing.net
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On R, 2004-12-17 at 21:12, Thomas Hallgren wrote:
> I'd like some views on the following issue.
>
> The pljava function call handler will resolve a class name using a
> loader that in turn uses a specific table in the PostgreSQL database.
> Hence, the caller of the function must have select permissions on that
> table or the function will fail. I would like to prevent this somehow
> but I don't know how to go about that. Is there any way to bypass the
> permissions when I do an SPI call from within a call handler somehow?

Would SECURITY DEFINER not work for pljava ?

Or if you are looking for something that has to be done inside the pl
handler maybe you should use another function with SECURITY DEFINER and
owned by superuser for function lookups ?

----------------
Hannu

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