[OT] permissions on samba share

[Johannes Wiedersich <debian@aktendiener.de>]

Dear all!

I have some problem with permissions of files saved from a windows XP to
a samba share. Some files from a proprietary software are saved with
permissions

-rwxrw----  1 johannes tandem 4686 2010-09-06 11:24 BCK2000.DAT

other data from the same software are saved with permissions

-rw--w---- 1 tandem   tandem  5870 2010-09-06 11:01 das-A040g-90deg-20VV.DAT

I would ideally save all files with permissions -rw-rw----.

The directories of the files have the permissions

drwxrws--- 2 johannes tandem  4096 2010-09-03 09:09 backup/
drwxrws--- 4 johannes tandem 69632 2010-09-06 11:03 pmma-film/

Is there any way that I am missing to force all files stored from that
'guest OS' to have -rw-rw---- ?

Thanks for help!

Cheers, Johannes