On Sun, 24 Jan 2010 22:48, jhell@ wrote:
On Sun, 24 Jan 2010 21:57, glen.j.barber@ wrote:
Hi,
Cyrille Lefevre wrote:
Hi,
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 Nov
21 15:48:17 UTC 2009
r...@almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
I suppose this is a getpass() problem ?
This is intended operation as su(1) may not always be affiliated with a TTY.
This leaves it open for a script to chat with much like what samba does with
its passwd chat mechanism.
If you mean for the program to appropriately append or overwrite to a file
you should ( su user -c 'date >output 2>&1' ) instead
I cannot reproduce this. In fact,
su root -c date > /tmp/date
hangs waiting for input.
orion % su root -c date > /tmp/date
^C
su: Sorry
orion % less /tmp/date
Password:
orion %
This is essentially what the OP stated was happening except you forgot the
2>&1.
Also, you appear to be running an unpatched version of FreeBSD 8.0,
subject to the rtld exploit (among a few others). I'd suggest upgrading.
For what it's worth:
orion % uname -a
FreeBSD orion 8.0-STABLE FreeBSD 8.0-STABLE #20 r202187: Wed Jan 13
11:51:15 EST 2010 r...@orion:/usr/obj/usr/src/sys/ORION amd64
Regards,
--
jhell
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