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Re: cygwin permissions problem on a network drive
- From: Corinna Vinschen <corinna-cygwin at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Mon, 9 Jan 2012 14:50:59 +0100
- Subject: Re: cygwin permissions problem on a network drive
- References: <alpine.WNT.2.00.1201041506510.5432@CH01WW6077.corp.ads>
- Reply-to: cygwin at cygwin dot com
On Jan 4 15:25, Markus Leuthold wrote:
> On Jul 5 10:59, Corinna Vinschen wrote:
> >On Jul 5 12:21, Bill Metzenthen wrote:
> >> What should I ask the system administrator to change so that cygwin
> >> will once again work on this drive?Ã Perhaps there is some new setting
> >> (or an old one which has somehow changed) for cygwin that I have
> >> failed to notice?
> >If you want to discuss this with your admin, the problem is this: When
> >Cygwin 1.7.9 tries to create a file on a filesystem which supports ACLs,
> >it requests WRITE_DAC permissions in the open call. WRITE_DAC is the
> >access right you need to create the permission bits in the file's ACL,
> >what you see in Explorer under the Security tab.
> >Now, in some environments, the settings of the shares are so, that this
> >right is apparently not granted, even for the creator of the file.
> >But, as far as earlier reports go, there seem to be no indication of
> >this in the ACL. As I mentioned above, I experimented with this
> >myself, but I have never managed to reproduce this setting on the
> >So I neither know how this setting looks like, nor if there's a way
> >to recognize such a share.
> >Btw, if you're going to discuss this with your admin, and if you figure
> >out what server setting is the culprit, I would be glad if you could
> >share the information with us. It might be a great help in developing
> >Cygwin further.
> Hello Corinna
> I've run into the same problem on a DFS filesystem, and I asked our
> admins about the settings. Please find a screenshot here:
> The reason why "change permission" (=WRITE_DAC) was disabled: Our
> admins don't want to allow "take ownership" to everybody, since in
> the past users managed to set the rights such that even the admins
> couldn't access the file anymore. Since "take ownership"
> automatically enables "change permissions", WRITE_DAC is thus
> disabled too.
> hope that helps
Thanks for the info.
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
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