[Samba] Usershare parameters

Cybionet cybionet at videotron.ca
Wed Sep 6 01:05:51 GMT 2006

Thank you Jeremy. As usual your answer are clear and effective.

> On Mon, Sep 04, 2006 at 10:53:25PM -0400, Cybionet wrote:
>>  I set usershare max shares to 10, and then with an user (and with 
>> different user)  I add 15 shares definition . When I use the net 
>> usershare list -l , I see all the 15 usershares and can access to these 
>> shares with a Windows client. A difference with your example in the 
>> documentation, I use ACL(EA) to authorize a group of user to add share 
>> definitions.
> Thanks for pointing this out. You've found an interesting bug
> that I'm actually disinclined to fix.
> When the usershare code was initially added, each smbd scanned
> the usershare directory in total to create a usershare. This is 
> such a resource intensive operation if there are a lot of usershares
> that I added the "usershares max shares" parameter.
> Volker pointed out the scalability issues with scanning a directory
> at all, and so the resultant code that was released doesn't scan
> the directory unless someone is requesting smbd to list the number
> of shares - ie. by doing a smbclient -L //server.
> What this means is that the "max shares" restriction doesn't get
> triggered unless someone explicitly enumerates the share list as
> above. But it also means that it's not a big issue, as the real
> problem that this parameter was trying to fix has already been
> solved (by the direct lookup from smbd of the requested sharename).
> So what I'm going to do is add the restriction to the 'net' command,
> where it will be advisory instead of mandatory (as people can always
> create usershare files using 'vi' rather than the convenience of the
> net command). I'll update the docs to this effect.
>>  I have read the majority of documentation about usershare, and in the 
>> one in the smb.conf, I can read 'All other share parameters not 
>> specified in the user defined share definition are copied from this 
>> named share.' Then how it is work?
> What you have to do is create a "template share" as a normal share
> definition in the smb.conf file, eg.
> [template]
> 	force user = foo
> and setting 'usershare template share = template' would mean
> all created usershares would inherit 'force user = foo'.
> Hope that helps,
> Jeremy.

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