Date: Sun, 16 Feb 1997 22:00:03 -0800 (PST) From: mark thompson <thompson@tgsoft.com> To: freebsd-bugs Subject: Re: bin/2747: at cannot be run in an atjob Message-ID: <199702170600.WAA26105@freefall.freebsd.org>
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The following reply was made to PR bin/2747; it has been noted by GNATS.
From: mark thompson <thompson@tgsoft.com>
To: mpp@freefall.freebsd.org
Cc: FreeBSD-gnats-submit@FreeBSD.ORG
Subject: Re: bin/2747: at cannot be run in an atjob
Date: Sun, 16 Feb 1997 20:37:59 -0800 (PST)
From: Mike Pritchard <mpp@freefall.freebsd.org>
Date: Sat, 15 Feb 1997 23:04:09 -0800 (PST)
mark thompson wrote:
>
> You cannot submit an at job from within an at job, since the submitted
> job will have the wrong mail address, and atrun will reject it. The
> comments suggest that the code in question (see below) is a hangover
> from an earlier day, and no longer appropriate.
Be careful around this code. If I remember correctly from the last
time I mucked around in there, there are security implications
with the whole section of code.
Well, i cannot disagree that there are security implications, but the
only thing removed is the call to getlogin, which *clearly* is not going
to be correct within an atjob unless atrun starts doing a setlogin, and
i was unwilling to contemplate messing with atrun.
Since it *should* be possible to submit an at job from within an at job
(works on every other unix i've tried), since the name will come from
getpwuid(real_uid) if LOGNAME is not set (atrun sets it), and since
atrun tries real hard to prevent spoofing, i say that this is an
anachronism and i think it should go.
SO THERE ;-)
-mark
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