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Date: Mon, 25 Jan 2010 10:41:35 +0100
From: Cyrille Lefevre <cyrille.lefevre-lists@laposte.net>
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Cc: freebsd-stable@freebsd.org, Glen Barber <glen.j.barber@gmail.com>
Subject: Re: su password prompt ti stdout instead of /dev/tty
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jhell a =E9crit :
> On Sun, 24 Jan 2010 21:57, glen.j.barber@ wrote:
>> Cyrille Lefevre wrote:
>>>
>>> su password prompt is displayed to *stdout* instead of */dev/tty*.
>>>
>>> # su user
>>> $ su root -c date > /tmp/date 2>&1
>>> (nothing displayed)
>>> $ cat /tmp/date
>>> Password:su: Sorry
>>> $ uname -a
>>> FreeBSD freebsd8.my.domain 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat No=
v
>>> 21 15:48:17 UTC 2009
>>> root@almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386
>>>
>>> I suppose this is a getpass() problem ?
>>>
>=20
> This is intended operation as su(1) may not always be affiliated with a=
=20
> TTY. This leaves it open for a script to chat with much like what samba=
=20
> does with its passwd chat mechanism.

well, all other oses (netbsd, openbsd, ubuntu at least) don't do it this =

way, they all password prompt to /dev/tty instead of stdout. freebsd is
the only one which prompt to stdout.

Regards,

Cyrille Lefevre
--=20
mailto:Cyrille.Lefevre-lists@laposte.net