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Postings from February 2011
* Leon Timmermans (fawaka@gmail.com) [110203 16:50]:
> On Thu, Feb 3, 2011 at 5:29 PM, Mark Overmeer <mark@overmeer.net> wrote:
> > It would be very unexpected to see setreuid($uid, -1) do something
> > different than setuid($uid). The former is to avoid race-conditions
> > when uid and euid both have to change.
>
> setuid changes either *all uids* or just the euid, but never only the
> ruid. See [1] for an explanation.
My previous message was sent under presure of diner. Now, during diner, I
see you are right: there is a chance that people want to use the old
setuid instead of the more flexible setreuid. The manual should point
people to use $<, but the code should provide an old-fashioned setuid
for compatibility sake.
--
MarkOv
------------------------------------------------------------------------
Mark Overmeer MSc MARKOV Solutions
Mark@Overmeer.net solutions@overmeer.net
http://Mark.Overmeer.net http://solutions.overmeer.net
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