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From: Andrew DeFaria <ADeFaria AT Salira DOT com>
Subject: Re: Question about "rexec"
Date: Tue, 27 May 2003 15:53:25 -0700
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Igor Pechtchanski wrote:

>>> Or you could just look at the FAQ:
>>>
>>>Why doesn't chmod work?
>>><http://cygwin.com/faq/faq_toc.html#TOC45>
>>>      
>>>
>>All that this says is to insure that you have ntsec set. I have it set.
>>chmod still doesn't work! BTW I'm on Windows XP and use NTFS. My home
>>directory is on the server (/us is a mount of //<server>/<share>).
>>    
>>
>
>Andrew,
>
>For Samba shares you need to have 'smbntsec' set -- 'ntsec' only affects
>local drives (and the ability to set user/group ids correctly, so you
>still need that set).  Also make sure your /etc/passwd and /etc/group are
>up to date.  I've found that I actually had to create a fake group in
>/etc/group and set it as my primary to be able to access a Samba share
>mapped from DFS on AIX.  *sigh*
>
Never said I was using Samba. Why did you assume that? /us is a mount of 
//<server>/<share> but <server> is a Windows 2000 Server box. There is 
no Samba involved.

Yes my passwd and group files are up to date (they are symlinks to 
global passwd and group files that I maintain).

>>Next idea?
>>
>>P.S. It would still be nice if somebody who really knew the algorithm
>>could explain Windows permissions and how they are mapped to Unix mode bits!
>>    
>>
>
>I believe <http://cygwin.com/cygwin-ug-net/ntsec.html#NTSEC-FILES> does an
>adequate job of this...
>	Igor
>  
>
In the Permission Entry dialog box (under Security: Advanced) I see 
things like Read Attributes, Read Extended Attributes, Take Ownership. 
What do these relate to WRT Unix permissions?

I also see things like "Create Files / Write Data" and "Create Folders / 
Append Data". Now if we equate "Create Files / Write Data" to +w I guess 
that would make sense. However what if I allowed "Create Folders / 
Append Data" but didn't allow "Create Files / Write Data"?!? I would 
think, from a Windows perspective, that I could create a folder or open 
a file for append access yet Cygwin would not show any +w on any of the 
files. It's these sorts of things that still confuse me even after 
reading the above reference.



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