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Date: Mon, 11 Mar 2024 22:05:14 +0000 (UTC)
From: Thorsten Glaser <tg@...bsd.de>
To: musl@...ts.openwall.com
cc: "Skyler Ferrante (RIT Student)" <sjf5462@....edu>,
Andreas Schwab <schwab@...e.de>, Alejandro Colomar <alx@...nel.org>,
NRK <nrk@...root.org>, Guillem Jover <guillem@...rons.org>,
libc-alpha@...rceware.org, libbsd@...ts.freedesktop.org,
"Serge E. Hallyn" <serge@...lyn.com>,
Iker Pedrosa <ipedrosa@...hat.com>,
Christian Brauner <christian@...uner.io>
Subject: Re: Re: Tweaking the program name for <err.h> functions
Rich Felker dixit:
>POSIX explicitly permits the implementation to open these fds if they
>started closed in suid execs, and IIRC indicates as a future direction
AFAIR, POSIX recently clarified that when a utility isn’t invoked
with fd#0, #1 and #2 open and suitable, the caller’s behaviour is
nōn-conforming, and so the callee can probably do what it wants in
that case as it’s left POSIX land.
bye,
//mirabilos
--
“It is inappropriate to require that a time represented as
seconds since the Epoch precisely represent the number of
seconds between the referenced time and the Epoch.”
-- IEEE Std 1003.1b-1993 (POSIX) Section B.2.2.2
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