--On Thursday, January 10, 2008 13:22:47 +0000 Jim Bow <[EMAIL PROTECTED]>
wrote:
Mike Bristow wrote:
On Thu, Jan 10, 2008 at 10:46:30AM +0000, Jim Bow wrote:
If I run the script (or just send a mail) on the command line using sudo,
then it's sent as me and not root. Same happens if I su to root first.
use 'su -'. It means you get a login shell (which sets up the enviroment
in the same way that login does).
That makes perfect sense, but doesn't seem to work. Here's the output of my
terminal session:
host% whoami
jim
host% sudo su - (tried doing "su -" also, with same results)
Password:
host# whoami
root
host# env
USER=root
HOME=/root
SHELL=/bin/csh
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/games:/usr/local/sbin:/usr/local/bin:
/usr/X11R6/bin:/root/bin
MAIL=/var/mail/root
BLOCKSIZE=K
FTP_PASSIVE_MODE=YES
TERM=screen
HOSTTYPE=FreeBSD
VENDOR=intel
OSTYPE=FreeBSD
MACHTYPE=i386
SHLVL=1
PWD=/root
LOGNAME=root
GROUP=wheel
HOST=host.example.com
EDITOR=vi
PAGER=more
host# cat /etc/motd | mail -s "hello" [EMAIL PROTECTED]
This results in the mail from: header of [EMAIL PROTECTED] I've tried
this on two different hosts with the same result.
The actual thing Im trying to do is to email something from a script that
runs as root from devd, but I run into the same problem of the email arriving
from somebody other than root, hence trying this manually on the command line.
There is definitely something that I am overlooking, but what is it? I'm
extremely curious to work-out why I'm seeing such behavior as its defeating
all my expectations so far.
Thanks for reading.
I'm not sure what, but something is wrong. I did the exact same thing you did,
but the results are completely different.
[EMAIL PROTECTED] env
HOST=utd59514.utdallas.edu
TERM=xterm
SHELL=/bin/csh
GROUP=wheel
USER=root
HOSTTYPE=FreeBSD
PAGER=more
FTP_PASSIVE_MODE=YES
MAIL=/var/mail/root
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/games:/usr/local/sbin:/usr/local/bin:/usr/X11R6/bin:/root/bin
BLOCKSIZE=K
PWD=/usr/ports/dns/noip
EDITOR=vi
[EMAIL PROTECTED]
SHLVL=2
HOME=/root
OSTYPE=FreeBSD
VENDOR=intel
LOGNAME=root
MACHTYPE=i386
_=/usr/bin/env
OLDPWD=/usr/ports
[EMAIL PROTECTED] cat /etc/motd | mail -s "hello" [EMAIL PROTECTED]
[EMAIL PROTECTED] tail /var/log/maillog
Jan 10 03:44:29 utd59514 postfix/qmgr[816]: 6EDD1261839:
from=<[EMAIL PROTECTED]>, size=13491, nrcpt=1 (queue active)
Jan 10 03:44:29 utd59514 postfix/smtp[37291]: 6D39E261838:
to=<[EMAIL PROTECTED]>, orig_to=<root>,
relay=smtp.utdallas.edu[129.110.10.33]:25, delay=0.16,
delays=0.01/0.06/0.05/0.04, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as
855C65AEAC)
Jan 10 03:44:29 utd59514 postfix/qmgr[816]: 6D39E261838: removed
Jan 10 03:44:29 utd59514 postfix/smtp[37292]: 6EDD1261839:
to=<[EMAIL PROTECTED]>, orig_to=<root>,
relay=smtp.utdallas.edu[129.110.10.33]:25, delay=0.17, delays=0/0.06/0.05/0.06,
dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 853C95AEA9)
Jan 10 03:44:29 utd59514 postfix/qmgr[816]: 6EDD1261839: removed
Jan 10 09:28:00 utd59514 postfix/pickup[37968]: 3A037261834: uid=0 from=<root>
Jan 10 09:28:00 utd59514 postfix/cleanup[38056]: 3A037261834:
message-id=<[EMAIL PROTECTED]>
Jan 10 09:28:00 utd59514 postfix/qmgr[816]: 3A037261834:
from=<[EMAIL PROTECTED]>, size=641, nrcpt=1 (queue active)
Jan 10 09:28:00 utd59514 postfix/smtp[38058]: 3A037261834:
to=<[EMAIL PROTECTED]>, relay=smtp.utdallas.edu[129.110.10.33]:25, delay=0.07,
delays=0.02/0.01/0.01/0.04, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as
3E1575ADDD)
Jan 10 09:28:00 utd59514 postfix/qmgr[816]: 3A037261834: removed
[EMAIL PROTECTED] whoami
root
And the message received was sent by root.
Received: from smtp2.utdallas.edu ([129.110.10.33]) by
UTDEVS08.campus.ad.utdallas.edu with Microsoft SMTPSVC(6.0.3790.3959);
Thu, 10 Jan 2008 09:29:03 -0600
Received: from utd59514.utdallas.edu (utd59514.utdallas.edu [129.110.3.28])
by smtp2.utdallas.edu (Postfix) with ESMTP id 3E1575ADDD
for <[EMAIL PROTECTED]>; Thu, 10 Jan 2008 09:28:00 -0600 (CST)
Received: by utd59514.utdallas.edu (Postfix, from userid 0)
id 3A037261834; Thu, 10 Jan 2008 09:28:00 -0600 (CST)
To: [EMAIL PROTECTED]
Subject: hello
Message-Id: <[EMAIL PROTECTED]>
Date: Thu, 10 Jan 2008 09:28:00 -0600 (CST)
From: [EMAIL PROTECTED] (Charlie Root)
Return-Path: [EMAIL PROTECTED]
X-OriginalArrivalTime: 10 Jan 2008 15:29:03.0486 (UTC)
FILETIME=[87E371E0:01C8539D]
FreeBSD 6.2-RELEASE-p9 (GENERIC) #2: Wed Dec 5 16:16:36 CST 2007
(1) Unauthorized use is prohibited;
(2) Usage may be subject to security testing and monitoring;
(3) Misuse is subject to criminal prosecution; and
(4) No expectation of privacy except as otherwise provided by applicable
privacy laws.
--
Paul Schmehl ([EMAIL PROTECTED])
Senior Information Security Analyst
The University of Texas at Dallas
http://www.utdallas.edu/ir/security/
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