Ideas on using locking.tdb from Netatalk to implement combined share mode database

Jeremy Allison jra at
Wed Feb 23 10:36:35 MST 2011

On Wed, Feb 23, 2011 at 04:06:00PM +0100, Frank Lahm wrote:
> Dear hackers,
> I'm in the process of a decent rewrite of certain Netatalk (Opensource
> AFP filserver) subsystems. One of them is acess/deny mode subsytem
> which is the AFP pendant to share modes in CIFS. We're currently
> storing these as brls -- an ancient but working hack.
> I'm now about to rewrite this stuff to use a tbd database. In order to
> have a fully spec conforming cross-platform server (Samba for Win
> clients, Netatlak for AFP clients) it would be necessary to integrate
> both sytems.
> So I went ahead poking around in source3, hoping I could find a way where
> - Netatalk's afpd processes would be able to use Samba's locking.tdb
> (if configured to do so)
> I've found "include/smb_share_modes.h" and libsmbsharemodes which look
> promising.
> Semantic differences [1] let aside for now, could this approach work out!

libsmbsharemodes was designed for exactly this purpose and used
by the NetWare file sharing daemon code on Linux.

Let me know if it will work for you - changes and updates
are welcome !


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