group ownership of files

kiwhan chung kiwhan@hotmail.com
Thu Jun 5 14:56:00 GMT 2003


Igor,

Thank you for replying.  Appending ' mkgroup -d' output did not help at all. 
  I think I need to explain a bit.  The group and mkpasswd files are 
modified by me in vain attempt to get the group ownership sync.  It 
obviously did not solve my problem.

The unmodified output of 'mkpasswd -l -c' is:

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:
mkgroup_l_d:S-1-5-32-544:10544:

The unmodified out of 'mkgroup -l -c' is:


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:11900:10544:kiwhan,U-NIS\kiwhan,S-1-5-21-494817750-61625731-1489575960-1900:/cygdrive/c:/bin/bash


BTW, what do * as in 'SYSTEM:*:' and 'kiwhan:unused_by_nt/2000/xp:' mean?

Thank you.
---------------------------------------------------------------
We are what we repeatedly do.
Excellence, then, is not an act, but a habit.         Aristotle
===-505-665-5079-=======================-kiwhan@hotmail.com-===





----Original Message Follows----
From: Igor Pechtchanski <pechtcha@cs.nyu.edu>
Reply-To: cygwin@cygwin.com
To: kiwhan chung <kiwhan@hotmail.com>
CC: cygwin@cygwin.com
Subject: Re: group ownership of files
Date: Wed, 4 Jun 2003 21:40:53 -0400 (EDT)

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/
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ZZZzz /,`.-'`'    -.  ;-;;,_		igor@watson.ibm.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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