cygwin 1.7.35 reads file permissions differently, affects fetchmail

[Martin Koeppe <mkoeppe@gmx.de>]

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Hi all,

I just updated from cygwin 1.7.32 to 1.7.35,
and now file permissions are calculated differently,
which breaks fetchmail for me:

Here are the Windows permissions:
(no permissions for Domain Users / Domänen-Benutzer)

$ cacls fetchmailrc.txt
D:\fetchmail\fetchmailrc.txt NT-AUTORIT.T\SYSTEM:(ID)F
                              NT-AUTORIT.T\LOKALER DIENST:(ID)C
                              DOMAENE\LocalAdmin:(ID)F
                              VORDEFINIERT\Administratoren:(ID)F

cygwin-1.7.32 $ ls -l
-rwx------+ 1 LocalService Domänen-Benutzer    1932 15. Aug 2014 
fetchmailrc.txt

cygwin-1.7.35 $ ls -l
-rwxrwx---+ 1 LocalService Domänen-Benutzer    1932 15. Aug 2014 
fetchmailrc.txt


Now, there are group permissions set. For me it breaks fetchmail, 
because fetchmail only runs when the config file is owned by the user 
running fetchmail (LocalService in my case, a system user I never can 
login with) and with max 0700 permissions. While this check is ok/good 
for Unix, because you still can view/edit the file as user root, you 
now can't anymore as Administrator on Windows.


So cygwin's old calculation helped me to get it working that both 
fetchmail is happy as the file is only accessible by the user running 
fetchmail and I am happy to be able to change the file as 
Administrator. This seems now broken, or is there still a possibility 
to do that?


@fetchmail's maintainers:
Is it possible/desired/ok to disable this check on Cygwin?


Thanks
Martin

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