Re: [Samba] Problems of groups accessing shared directory

[Simon Hobson]

Qonita wrote:

3. In the linux system, the directory /home/pub/ourdir is chown to root and
chgrp to "special". The permission is 775, so that anyone belong to the
"special" group has full control to the directory.
drwxrwxr-x     12 root    special    4096  Oct 29 17:15  ourdir

Problems came when person1 put/edit a file via samba (Windows Explorer), the
ownership of the file is person1.group1, instead of person1.special. In this
case, person4.group2 cannot edit the file (doesn't belong to the same
group).
How to make all files written or edited always belonging to group "special"?
I have tried "force group = special" but it turned out anyone has access to
the directory, eventhough they're not listed as member of group "special" in
/etc/group.

After setting the group ownership, also set the sticky bit, ie :

chmod g+s <directory>

This tells Linux to use the group name of that directory, rather than the primary group of the user, when creating new files.

Simon

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Simon Hobson, Technical Services Engineer
Colony Gift Corporation Limited
Lindal in Furness, Ulverston, Cumbria, LA12 0LD
Tel 01229 461100, Fax 01229 461101

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Regd. Office : 100 New Bridge Street, London, EC4V 6JA.
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