Re: pgsql: Simplify validate_exec() by using access(2) to check file

Tom Lane wrote:
> Log Message:
> -----------
> Simplify validate_exec() by using access(2) to check file permissions,
> rather than trying to implement the equivalent logic by hand.  The motivation
> for the original coding appears to have been to check with the effective uid's
> permissions not the real uid's; but there is no longer any difference, because
> we don't run the postmaster setuid (indeed, main.c enforces that they're the
> same).  Using access() means we will get it right in situations the original
> coding failed to handle, such as ACL-based permissions.  Besides it's a lot
> shorter, cleaner, and more thread-safe.  Per bug #5275 from James Bellinger.

Are there any outside code modifications now that this is thread-safe?
I can't find any myself.

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  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
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