Are you sure that the suid bit will not provide the functionality that
you require? I would make sure that the proper user owns the directory
and then set its suid bit (chmod u+s /mnt/)

If I am missing something please let me know.

On Tue, Mar 31, 2009 at 3:13 PM, Vasadi I. Claudiu Florin
<claudiu.vas...@gmail.com> wrote:
>
> Hello guys,
>
> Here's the deal:
> I have a samba server on a FreeBSD 7.1-STABLE running with mod-acl (or
> whatever it's called). The folder it is connected to (let's call it "share")
> has acl enabled. Thus all data written with samba (from my xp box)
> automagicly inharits permision of parent folder (root:wheel). Perfect till
> now.
>
> This is were the catch catches up. I also want ftp access to that folder (a
> master ftp account that only I will know) but also want it with acl
> "features"; I mean all files written by/through ftp will (or must) have
> inherited parent directory permisions, leaving samba full permisions over
> files/folder in that directory (as stated by acl).
>
> Here's the curent setup
> the "share" folder (actually "/mnt")
> # file: /mnt/
> # owner: root
> # group: wheel
> user::rwx
> user:smbadmin:rwx
> user:ftpadmin:rwx
> group::---
> mask::rwx
> other::---
>
> As you can see, the owner is root:wheel. The samba master acount is
> "smbadmin" with rwx privileges.
> Now, I wish to employ another username, also with rwx privileges, for a
> master ftp account (say "ftpadmin"), but all files writen by this user
> *will* eventually end up on disk as root:wheel, not ftpadmin:group.
>
> What I've done so far.
> Read a bit about chmod +s and by "chmod g+s" managed to ensure that whoever
> writes files to that folder, end up belonging to wheel group. Didn't manage
> on the other hand to employ the same thing for the user. Files are owned by
> "ftpadmin"
>
> Of course I could add these accounts into one big group, but then, were
> would all the fun be ? :)
> And also, I would have a terrible time when say another ftp user would be
> required to have some sort or acces but diferent from that group I
> previously mentioned (say r--).
>
> Now, from what I tinkered about I need some sort of control "agent" between
> the actual ftp and the disk (something similar to mod-acl of samba maybe?)
> or force the files that are to be written to disk to change theyre usr:group
> by some chmod-similar manner.
>
>
> Please point me in the right direction. A link, an ideea ... something. Am
> capable of doing it myself, no need for "please do this for me"..nono.
>
> So ?
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-- 
Thx
Joshua Gimer
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