Re: Strange behaviour with Dropbox created files in Samba share

Béla Becker via samba <[email protected]> Mon, 22 Jun 2026 16:38:28 +0200
Newsgroups gmane.network.samba.general
Message-ID <CAANkkgN1TYB+rC0_KWtstAtpfO9H_e6Kr_Nu2-62ZSUzGducuw@mail.gmail.com>
> Is it possible that Dropbox creates files/directories in a special way
which prevents Samba from applying the permissions?

I remember writing a libc wrapper for dropboxd at some point, because
it just wouldn't keep the group permission bits intact. It's not
unreasonable to think that it might be doing something with ACL's too.
My wrapper library replaced the chmod and umask functionality to
return without actually doing anything, by using LD_PRELOAD. Nothing
too elegant or fancy, but it's been in use for years now with great
success. I'll see if I can find the source code if you're interested.

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