Mail Archives: cygwin/2004/02/25/20:22:55
Pierre,
Somehow the permissions on my /etc/passwd and /etc/group files only gave
read permission to my account not SYSTEM. Perhaps cron_diagnose.sh can
be updated to incorporate this checkpoint, i.e., that passwd and group
in /etc are readable by everyone.
Thanks for your help, Pierre. Now cron jobs kick off properly and I
have telnet, ftp, etc. back again! :-D
Cygwin rocks!
Wayne
-----Original Message-----
From: Pierre A. Humblet [mailto:Pierre DOT Humblet AT ieee DOT org]
Sent: Wednesday, February 25, 2004 3:42 PM
To: Winch Jr., Wayne S; cygwin AT cygwin DOT com
Subject: Re: Cron Running As UID 400
At 06:18 PM 2/25/2004 -0500, Winch Jr., Wayne S wrote:
>
>Pierre,
>
>Windows Task Manager reports the user as SYSTEM for all cygrunsrv
>processes and their children (cron, inetd, etc.). Interestingly
>enough, I regenerated the /etc/passwd entry for my user login on my
>Windows XP Pro box at work and the UID field changed from what it was
>before (after I sent the initial problem email to the Cygwin list).
>Then, I rebooted and all Cygwin related services (cygrunsrvs) were now
>identified as unknown user 400 in ps -ef. As one would then expect,
>now I do not have any capabilities associated with these services,
>including ftp, telnet, and IPC.
At least now it's consistent!
Is /etc/passwd readable by everybody?
Is the system mount for / (or /etc) the same as your user mount?
Is /etc/passwd on a local disk?
One way or another, SYSTEM cannot read /etc/passwd, although (going back
to your original mail), it was initially able to read it.
>
>My /etc/passwd file has the SYSTEM, Administrators and my personal
>account listed as:
>
>SYSTEM:*:18:544:,S-1-5-18::
>Administrators:*:544:544:,S-1-5-32-544::
>winwa02:unused_by_nt/2000/xp:70656:10513:Winch Jr., Wayne
>S,U-TANT-A01\winwa02,S-1-5-21-2129867641-919698055-327642922-60656:/hom
>e
>/winwa02:/bin/bash
That looks OK.
>My company's domain is TANT-A01 and my username is winwa02.
>
>Also, if I type passwd, then I get the following response:
>
>$ passwd
>passwd: unknown user winwa02
>
>
>As you can see, my login entry is in /etc/passwd, but I seem to be
>logged in as a different user, even though id reports:
Does passwd support domain users?
>$ id
>uid=70656(winwa02) gid=10513(Domain Users)
>groups=544(Administrators),545(Users),143344(442-SC-CRO-R),106908(98-Si
>t e),10513(Domain Users),162415(NASiteGroups),169978(North American
>Sites)
>
That's OK, you are logged in as U-TANT-A01\winwa02
Pierre
>
>>Wayne,
>>
>>The only reason why a Cygwin process runs with uid 400 is that its SID
>>was not found in /etc/passwd when first starting from Windows (you can
>>observe that by temporarily renaming /etc/passwd and starting a fresh
>>Cygwin process).
>>It's stange that this happens only for one cygrunsrv process
>>
>>Please use the Windows Task Manager ("Processes" tab) and report the
>>User of the strange cygrunsrv, according to Windows.
>>
>>Pierre
>
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