From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | "Nauman Naeem" <nauman(dot)naeem(at)gmail(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: User privileges-verification required |
Date: | 2006-02-24 15:47:25 |
Message-ID: | 3462.1140796045@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
"Nauman Naeem" <nauman(dot)naeem(at)gmail(dot)com> writes:
> I tried the single-user mode option and it worked, thanks! but, don't
> you people think that we should provide this privilege in multi-user
> mode as well.In accordence to my second point.
No. Restricting what a superuser can do is pointless --- he can always
manage to shoot himself in the foot if he tries hard enough. (Consider
eg "DELETE FROM pg_authid".) Trying to fix it in the reverse direction
(re-establishing superuser after the last one's been deleted) has
obvious security issues.
The problem comes up sufficiently seldom that the single-user-mode
backdoor seems sufficient.
regards, tom lane
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