[Samba] preexec and msdfs proxy

Thu May 28 01:08:30 MDT 2015

Good Morning and thank you for your input.

I had and still do understand what both preexec and root preexec do.  I had also and still do understand the paths you had explained.  I, however, had also already explained on 18 May 2015 15:31:55 CEST why your first solution was _not_ a viable option for us (server2 == NETAPP under warranty).  I had also already explained on 21 May 2015 22:41:17 CEST why option 2.) was an even _less_ viable solution due to the security permissions of the underlying NTFS system on server 2 then _not_ being user specific and therefore dangerous.

I can understand and would accept that the 'msdfs proxy' mechanism might be executing at a time well ahead of the connect block in the code and therefore precluding any 'preexec' possibilities.  But it is exact that question that hasn't been answered - is this by design or a mistake?  If it by design, then so be it.  I would then confer with my superiors whether or not we ould be willing to take the risk of modifiying our NETAPP and possibly endanger its warranty.  If it is, however, an error then there is hope that the function 'preexec' might be repaired in a timely fashion, which would be a great help to us. 

Regards,
Greg Enlow

--

Greg Enlow
grenlow at hk.mailbox.de

On 28 May 2015, at 07:51, Daniel Müller wrote:

One more time:
root preexec does: run a command or script if the user hit the share. Now
with msdfs proxy it need to be run on the linked host that carries the
share. So you are better
to set root preexec on the share of the linked host. I think there is no
other way.

Server1
[sharepointtoserver2]
msdfs root=yes
msdfs proxy =\server2\shareonserver2

Server2
[shareonserver2]
Root preexec=.......................

Or mount the shareonserver2  on server1!!!! 

Then do

[shareonserver2mountedonserver1]
Path to the mountpoint
Root preexec= nowiwillwork

Good Luck
Daniel

EDV Daniel Müller

Leitung EDV
Tropenklinik Paul-Lechler-Krankenhaus
Paul-Lechler-Str. 24
72076 Tübingen 
Tel.: 07071/206-463, Fax: 07071/206-499
eMail: mueller at tropenklinik.de
Internet: www.tropenklinik.de 

-----Ursprüngliche Nachricht-----
Von: samba-bounces at lists.samba.org [mailto:samba-bounces at lists.samba.org] Im
Auftrag von Greg Enlow
Gesendet: Mittwoch, 27. Mai 2015 17:21
An: samba at lists.samba.org
Cc: Jeremy Allison
Betreff: Re: [Samba] preexec and msdfs proxy

Hi all,

I was going to ask one more tine before I walk away sad and depressed - any
hope on finding out why our installation won't fire 'preexec' with 'msdfs
proxy' activated?

'til then!
Greg Enlow

--

Greg Enlow
grenlow at hk.mailbox.de

On 18 May 2015, at 18:20, Jeremy Allison wrote:

On Mon, May 18, 2015 at 03:31:55PM +0200, Greg Enlow wrote:
> Hi,
> 
> The Server to which the msdfs is pointing is a netapp. Though we
theoretically can access the shell on it then begin to mess around there, we
would really like to avoid that. Warranty and such make it a bit of a legal
issue. That is the reason we went with a separate instance in the first
place and now wonder why the preexec doesn't fire. 
> 
> There is nothing in tmp of the msdfs box.
> 
> Like I asked before, is this by design? If not what can we do to get
around playing with underwear of our netapp?
> 
> Thanks!

At the SambaXP conference all this week, but I'll try and find some time to
look inside the code and let you know !

Ping me again if I haven't replied by Friday :-).

Cheers,

	Jeremy.

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