Hi Eric,
  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 
> permissions 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 computer 
> running Cygwin.
>
> 2.  There is an active directory group that has "Modify" level permissions  
> 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 as 
> "User1".
>
> 5. "User2" attempts to delete this file.  It does not work (access denied).  
>
> 6. Upon further inspection of this file's ACL, the AD group with Modify level 
> permissions now only has "read, write, execute" permissions, which, using 
> windows "Effective Access" tool shows that the checkbox that assigns "delete" 
> 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 overwrite the 
> ACL of my created file.  From the NTFS point of view, my AD group still 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 and 
> again, my AD group only has rwx and not "modify" permissions while looking at 
> the ACL from windows.
>
> How can I retain NTFS "delete" rights for my users and groups on files 
> created by Cygwin?
>  
> Eric 
>
>
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