samba - Oct 2008 - Multiple Samba accounts with the rights of a single Unix account?

Is it possible to have a standalone Samba server map different
username/password pairs to a single Unix account? More specifically, I'll be
using an external passdb (pdb-mysql or LDAP), and each username will only
see a home directory with the same name. But I don't want to have to create
a separate Unix account / UID for each username/password, the restriction by
directory is enough. Instead, a single Unix account will be given rights to
access all home directories, and I want Samba to use it for all
username/password pairs.

Is such a setup possible? The 'username map' option is not suitable,
because
the username is translated prior to authentication, so all usernames would
share the same password.

Quoting Peter Petrov <lists@ppetrov.com>:
> Is it possible to have a standalone Samba server map different
> username/password pairs to a single Unix account?
force user/group?

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On Mon, Oct 13, 2008 at 4:35 AM, Norberto Bensa <nbensa@gmail.com> wrote:
> Quoting Peter Petrov <lists@ppetrov.com>:
>
>  Is it possible to have a standalone Samba server map different
>> username/password pairs to a single Unix account?
>>
>
> force user/group?
>

"force user/group" almost works. But smbd still tries to find a
matching
Unix account for each username, failing with errors like this:

[2008/10/15 04:29:42,  0] passdb/pdb_get_set.c:pdb_get_group_sid(210)
  pdb_get_group_sid: Failed to find Unix account for admin
[2008/10/15 04:29:42,  1] auth/auth_util.c:make_server_info_sam(562)
  User admin in passdb, but getpwnam() fails!

Any ideas?

On Tue October 14 2008 20:49, Peter Petrov wrote:
> On Mon, Oct 13, 2008 at 4:35 AM, Norberto Bensa <nbensa@gmail.com>
wrote:
> > Quoting Peter Petrov <lists@ppetrov.com>:
> >
> >  Is it possible to have a standalone Samba server map different
> >
> >> username/password pairs to a single Unix account?
> >
> > force user/group?
>
> "force user/group" almost works. But smbd still tries to find a
matching
> Unix account for each username, failing with errors like this:
>
> [2008/10/15 04:29:42,  0] passdb/pdb_get_set.c:pdb_get_group_sid(210)
>   pdb_get_group_sid: Failed to find Unix account for admin
> [2008/10/15 04:29:42,  1] auth/auth_util.c:make_server_info_sam(562)
>   User admin in passdb, but getpwnam() fails!
>
> Any ideas?
Will a username map file work for what you want?  Look in manual for the 
parameter "username map=" in smb.conf.
-- 
Paul

Quoting Peter Petrov <ppetrov@ppetrov.com>:
> On Mon, Oct 13, 2008 at 4:35 AM, Norberto Bensa <nbensa@gmail.com>
wrote:
>
>> Quoting Peter Petrov <lists@ppetrov.com>:
>>
>>  Is it possible to have a standalone Samba server map different
>>> username/password pairs to a single Unix account?
>>>
>>
>> force user/group?
>>
>
> "force user/group" almost works. But smbd still tries to find a
matching
> Unix account for each username, failing with errors like this:
>
Well, yes. Samba needs to map each username to a unix uid. I've  
re-read your original post and AFAIK, what you want to do is not  
possible. You'll still need to create the unix users.



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