[Samba] RID idmap backend: difficulties looking up a user by its uid

2009-08-12 Thread Jakob Ahlin 

Hi,

I'm having a problem using the RID idmap backend with Winbind. Having 
configured NSS with the Winbind module, I can use getent passwd to 
look up a user by its username, but not by its uidnumber. However, if I 
first do a lookup using the username or run wbinfo on the user 
(specifying either the username or uid), and then try getent passwd 
with the uidnumber, I get the correct result.


See here:
debianrid:~# getent passwd 161907
debianrid:~# wbinfo --uid-info 161907
lokr:*:161907:100513:Lovisa Kristiansson (lokr):/home/WBLABB/lokr:/bin/sh
debianrid:~# getent passwd 161907
lokr:*:161907:100513:Lovisa Kristiansson (lokr):/home/WBLABB/lokr:/bin/sh
debianrid:~#

Related smb.conf lines:
  idmap backend = rid
  idmap uid = 10-1000
  idmap gid = 10-1000
  winbind use default domain = yes
  winbind enum groups = yes
  winbind enum users = yes

Version information:
  Version 3.3.7-SerNet-Debian

From log.winbindd-idmap:
[2009/08/12 10:13:58,  0] lib/module.c:do_smb_load_module(69)
 Module '/usr/lib/samba/idmap/rid.so' initialization failed: 
NT_STATUS_OBJECT_NAME_COLLISION

[2009/08/12 10:13:58,  1] winbindd/idmap.c:idmap_alloc_init(580)
 could not find idmap alloc module rid

Any ideas?

Regards,
Jakob

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Re: [Samba] RID idmap backend: difficulties looking up a user by its uid

2009-08-12 Thread Jakob Ahlin 
Thanks for your answer, Dale. You were right, I had that line wrong. 
However, I think it just affected what uids the users would get, because 
the problem remains.
I have configured the TDB, LDAP and AD backends successfully; only the 
RID backend gives me the problem I explained in my original message.


I tried using the idmap config directive as well...
  idmap backend = tdb
  idmap uid = 100-110
  idmap gid = 100-110

  idmap config WBLABB : backend  = rid
  idmap config WBLABB : range= 1 - 100
  winbind use default domain = yes

...with the same result, i.e I need to retrieve the passwd entry by 
username before I can do the reverse.


Jakob

Dale Schroeder wrote:

I believe smb.conf line should be
   idmap backend = rid:DOMAIN=10-1000

Dale


Jakob Ahlin wrote:

Hi,

I'm having a problem using the RID idmap backend with Winbind. Having 
configured NSS with the Winbind module, I can use getent passwd to 
look up a user by its username, but not by its uidnumber. However, if 
I first do a lookup using the username or run wbinfo on the user 
(specifying either the username or uid), and then try getent passwd 
with the uidnumber, I get the correct result.


See here:
debianrid:~# getent passwd 161907
debianrid:~# wbinfo --uid-info 161907
lokr:*:161907:100513:Lovisa Kristiansson 
(lokr):/home/WBLABB/lokr:/bin/sh

debianrid:~# getent passwd 161907
lokr:*:161907:100513:Lovisa Kristiansson 
(lokr):/home/WBLABB/lokr:/bin/sh

debianrid:~#

Related smb.conf lines:
  idmap backend = rid
  idmap uid = 10-1000
  idmap gid = 10-1000
  winbind use default domain = yes
  winbind enum groups = yes
  winbind enum users = yes

Version information:
  Version 3.3.7-SerNet-Debian

From log.winbindd-idmap:
[2009/08/12 10:13:58,  0] lib/module.c:do_smb_load_module(69)
 Module '/usr/lib/samba/idmap/rid.so' initialization failed: 
NT_STATUS_OBJECT_NAME_COLLISION

[2009/08/12 10:13:58,  1] winbindd/idmap.c:idmap_alloc_init(580)
 could not find idmap alloc module rid

Any ideas?

Regards,
Jakob



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