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X-Authentication-Warning: slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date: Wed, 4 Jun 2003 21:40:53 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: kiwhan chung <kiwhan AT hotmail DOT com>
cc: cygwin AT cygwin DOT com
Subject: Re: group ownership of files
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On Wed, 4 Jun 2003, kiwhan chung wrote:

> I have been using Cygwin for about a month now without any problem.  My
> computer crashed and when I rebooted, even though it started at my home
> directory, now the home was defined as '/cydgrive/c/cygwin/home/kiwhan' and
> not just '/home/kiwhan'  I scratched my head and poked around and found out
> that my passwd file was corrupted somehow and
>
> mkpasswd -l -c > /etc/passwd
> mkgroup -l -c > /dtc/group
>
> made everything ok.
>
> Now, I lost group ownership to the files I previously made.  What I'd like
> to know is:
>
> Is there any way to have all the files grouped in one group?  After many
> tries, I now have ????? for group name, and that's all I can get.
> Currently, my files look like:
>
> -rw-r--r--    1 kiwhan   ????????    16092 May 22 15:46 cygcheck.txt
> -rw-r--r--    1 kiwhan   Administ    27272 Jun  4 16:35 cygcheck2.txt
> -rw-r--r--    1 kiwhan   ????????     4737 Jun  3 16:35 declare.txt
> -rw-rw-rw-    1 kiwhan   ????????     4443 Jun  4 12:25 declare2.txt
> drwxr-xr-x+   3 kiwhan   ????????        0 May 30 14:37 geant451
> -rwxrwxrwx    1 kiwhan   ????????      988 May 27 15:50 kded.exe.stackdump
> -rwxrwxrwx    1 kiwhan   ????????     1085 May 27 15:50
> kdeinit.exe.stackdump
> -rwxrwxrwx    1 kiwhan   ????????       52 May 29 18:11
> kdesktop.exe.stackdump
> -rwxr-xr-x    1 kiwhan   ????????      685 May 27 14:24 xinitrc
>
> The file with correct group ownership -- cygcheck2.txt -- is made after the
> group ownership change, but the rest of the files that were made before the
> crash indicates that they are grouped to an undefined group.
>
> Here is a copy of group:
>
> SYSTEM:S-1-5-18:18:
> None:S-1-5-21-1606980848-308236825-725345543-513:513:
> Administrators:S-1-5-32-544:544:
> Backup Operators:S-1-5-32-551:551:
> Guests:S-1-5-32-546:546:
> Power Users:S-1-5-32-547:547:
> Replicator:S-1-5-32-552:552:
> Users:S-1-5-32-545:545:
> Debugger Users:S-1-5-21-1606980848-308236825-725345543-1000:1000:
> VS Developers:S-1-5-21-1606980848-308236825-725345543-1001:1001:
> alpha:S-1-5-32-544:10544:
>
> Here is a copy of passwd:
>
> SYSTEM:*:18:544:,S-1-5-18::
> Administrators:*:544:544:,S-1-5-32-544::
> Administrator:unused_by_nt/2000/xp:500:513:U-ABPC\Administrator,S-1-5-21-1606980848-308236825-725345543-500:/home/Administrator:/bin/bash
> ASPNET:unused_by_nt/2000/xp:1002:513:ASP.NET Machine
> Account,U-ABPC\ASPNET,S-1-5-21-1606980848-308236825-725345543-1002:/home/ASPNET:/bin/bash
> Guest:unused_by_nt/2000/xp:501:513:U-ABPC\Guest,S-1-5-21-1606980848-308236825-725345543-501:/home/Guest:/bin/bash
> kiwhan:unused_by_nt/2000/xp:11900:544:kiwhan,U-NIS\kiwhan,S-1-5-21-494817750-61625731-1489575960-1900:/cygdrive/c:/bin/bash
>
> Thanks for your help.
> Kiwhan

Kiwhan,

I see your user is a domain user, and you have at least one domain group.
You may have to do an "mkgroup -d >> /etc/group", just to pull in other
domain groups.  I'd bet that if you did "ls -ln cygcheck.txt", you'd see a
group id >10000, which indicates a domain group.
	Igor
P.S. It'd be interesting to find out why mkgroup created two entries with
the same SID, but thought that one was a domain group...  Pierre?
-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_		pechtcha AT cs DOT nyu DOT edu
ZZZzz /,`.-'`'    -.  ;-;;,_		igor AT watson DOT ibm DOT com
     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski, Ph.D.
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

"I have since come to realize that being between your mentor and his route
to the bathroom is a major career booster."  -- Patrick Naughton


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