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Message-ID:	<DUB405-EAS3176982DEE6A8A059A5A91E805B0@phx.gbl>
From:	Luke Ordelmans <l DOT ordelmans AT live DOT com>
To:	<cygwin AT cygwin DOT com>
References:	<20130812100901 DOT GB2691 AT calimero DOT vinschen DOT de>
In-Reply-To:	<20130812100901.GB2691@calimero.vinschen.de>
Subject:	RE: : 64-bit cygwin - cannot remove group permissions from file on ntfs
Date:	Mon, 12 Aug 2013 18:55:23 +0200
MIME-Version:	1.0
X-MIME-Autoconverted:	from quoted-printable to 8bit by delorie.com id r7CGtjTE014899

>On Aug 11 16:28, Luke Ordelmans wrote:
>> Running cygwin 64-bit on Windows 8 doesn't allow me to remove group permissions from a file. On 32-bit cygwin doing the same thing works fine.
>>  
>> Luke AT Sorcerer ~/test $ uname -a
>> CYGWIN_NT-6.2 Sorcerer 1.7.23(0.268/5/3) 2013-08-09 10:05 x86_64 Cygwin
>> Luke AT Sorcerer ~/test $ touch test
>> Luke AT Sorcerer ~/test $ chmod -c 600 test 
>> mode of `test' changed from 0660 (rw-rw----) to 0600 (rw-------)
>> Luke AT Sorcerer ~/test $ ls -la total 4.0K
>> drwxrwx---+ 1 Luke None 0 Aug 11 15:40 ./
>> drwxrwxr-x+ 1 Luke None 0 Aug 11 15:40 ../
>> -rw-rw----  1 Luke None 0 Aug 11 15:40 test
>> Luke AT Sorcerer ~/test $ umask
>> 0077
>
>Works fine for me.  The only reason I can see is that the permissions
>and inheritance rules on the parent directory are so that the None
>group always has rw access, despite what you set for the file.
>
>What does `cacls .' and `cacls test' print?
>
>Corinna

Spot on! Explicitly removing all rights for 'None' from the top-level d:\cygwin64 solved the problem, thanks!

Luke


-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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