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Subject:	Re: Files created in cygwin on fileshare no longer allow "delete" in NTFS
To:	cygwin AT cygwin DOT com
References:	<059e3621048b4ee68257b6bfb0ae1053 AT knapheide DOT com>
From:	=?UTF-8?Q?J=c3=bcrgen_Wagner?= <juergen AT wagner DOT is>
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Date:	Mon, 11 Dec 2017 22:38:18 +0100
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Hi Eric,
=C2=A0 what are the permission settings on the containing directory?

Cheers,
--J.

On 11.12.2017 20:58, Eric Duesterhaus wrote:
> Hi Cygwin Community,
>
> We are currently encountering an issue with Cygwin in regards to NTFS per=
missions on files created within Cygwin.  I'll try to outline my issue with=
 specifics.
>
> 1.  There is a windows file server mapped to M:\ on the a windows compute=
r running Cygwin.
>
> 2.  There is an active directory group that has "Modify" level permission=
s  on this file share (In NTFS, Modify includes explicit "delete" rights)
>
> 3.  "User1" and "User2" are both members of the aforementioned AD group.
>
> 4.  A file is created in /cygdrive/m/filepath/ through Cygwin being run a=
s "User1".
>
> 5. "User2" attempts to delete this file.  It does not work (access denied=
).=20=20
>
> 6. Upon further inspection of this file's ACL, the AD group with Modify l=
evel permissions now only has "read, write, execute" permissions, which, us=
ing windows "Effective Access" tool shows that the checkbox that assigns "d=
elete" rights is no longer checked for this group.
>
>
> I tried using getfacl on a file with the modify permission allowed to my =
AD group, then passed that file into setfacl with the -f option to overwrit=
e the ACL of my created file.  From the NTFS point of view, my AD group sti=
ll only has read/write/execute permissions instead of modify, which again, =
doesn't allow delete.
>
> For information gathering I use the resultant file from getfacl to setacl=
 -f on a file with "good" NTFS permissions, it overwrites the permissions a=
nd again, my AD group only has rwx and not "modify" permissions while looki=
ng at the ACL from windows.
>
> How can I retain NTFS "delete" rights for my users and groups on files cr=
eated by Cygwin?
>=20=20
> Eric=20
>
>
> --
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>
>



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