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Re: saved IDs and exec (standard violation?)

From: Thomas Bushnell, BSG
Subject: Re: saved IDs and exec (standard violation?)
Date: 11 May 2002 14:17:01 -0700
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2

Roland McGrath <roland@frob.com> writes:

> Yes, that seems to be a bona fide bug based on a misreading of the
> standard.  The language is not really all that clear, but the
> behavior of other systems is consistent so we can tell how to read
> it.  That is, svuid=euid and svgid=egid are done *on every exec*,
> not just on s[ugi]id ones.

Oh this is horrible.  Sigh.  However, in the normal case, the ids
don't change.  Is there a security reason we should not allow the user
to decide for themselves?

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