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Date: Mon, 12 Aug 2013 12:09:01 +0200
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: : 64-bit cygwin - cannot remove group permissions from file on ntfs
Message-ID: <20130812100901.GB2691@calimero.vinschen.de>
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On Aug 11 16:28, Luke Ordelmans wrote:
> Running cygwin 64-bit on Windows 8 doesn't allow me to remove group permi=
ssions from a file. On 32-bit cygwin doing the same thing works fine.
> =C2=A0
> Luke@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@Sorcerer ~/test $ touch test
> Luke@Sorcerer ~/test $ chmod -c 600 test=20
> mode of `test' changed from 0660 (rw-rw----) to 0600 (rw-------)
> Luke@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----=C2=A0 1 Luke None 0 Aug 11 15:40 test
> Luke@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

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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