[Samba] can't auth against more then 1 domain

[Doug Tucker]

On 11/13/2013 03:57 PM, Taylor, Jonn wrote:
> On 11/13/2013 03:34 PM, Doug Tucker wrote:
>> On 11/13/2013 02:30 PM, Dale Schroeder wrote:
>>> On 11/13/2013 1:54 PM, Doug Tucker wrote:
>>>> I have 2 samba servers.  One with centos5+samba 3.033 that has been 
>>>> in service for a few years now. I have installed a centos6+samba 
>>>> 3.6.9.  I followed the how-to I did with the first one, copied over 
>>>> the krb5.conf and smb.conf from the working server and all seemed 
>>>> to go well. It is a member server of a window AD.  We have 2 DC's 
>>>> that are part of the same forest: SEAS and SEAS-S.  I joined the 
>>>> new one like the old one to the SEAS domain.  The problem I have 
>>>> run into is the new server will only auth users in the domain it is 
>>>> joined to (SEAS) and cannot get get users from SEAS-S. If I check 
>>>> for trusted domains net rpc trustdom SEAS-S shows up under trusted 
>>>> and trusting.  If I do wbinfo -u | grep SEAS I get a full list of 
>>>> users in the SEAS domain.  But wbinfo -u | grep SEAS-S comes back 
>>>> blank.
>>>>
>>>> I don't know what to provide to help solved this so I'll post some 
>>>> basics I guess.
>>>>
>>>> krb5.conf:
>>>> [logging]
>>>>  default = FILE:/var/log/krb5libs.log
>>>>  kdc = FILE:/var/log/krb5kdc.log
>>>>  admin_server = FILE:/var/log/kadmind.log
>>>>
>>>> [libdefaults]
>>>>  default_realm = SEAS.ENGR.SMU.EDU
>>>>  dns_lookup_realm = false
>>>>  dns_lookup_kdc = false
>>>>  ticket_lifetime = 24h
>>>>  forwardable = true
>>>>
>>>> [realms]
>>>>  SEAS.ENGR.SMU.EDU = {
>>>>   kdc = seas.engr.smu.edu:88
>>>>   admin_server = seas.engr.smu.edu:749
>>>>   default_domain = engr.smu.edu
>>>>  }
>>>>
>>>>  SEAS-S.ENGR.SMU.EDU = {
>>>>   kdc = seas-s.engr.smu.edu:88
>>>>   admin_server = seas-s.engr.smu.edu:749
>>>>   default_domain = engr.smu.edu
>>>>  }
>>>>
>>>> [domain_realm]
>>>>  .engr.smu.edu = SEAS.ENGR.SMU.EDU
>>>>  engr.smu.edu = SEAS.ENGR.SMU.EDU
>>>>
>>>> [appdefaults]
>>>>  pam = {
>>>>    debug = false
>>>>    ticket_lifetime = 36000
>>>>    renew_lifetime = 36000
>>>>    forwardable = true
>>>>    krb4_convert = false
>>>>  }
>>>>
>>>> Globals of smb.conf:
>>>>
>>>> workgroup = SEAS
>>>>    realm = SEAS.ENGR.SMU.EDU
>>>>   security = ADS
>>>> encrypt passwords = yes
>>>>   passdb backend = tdbsam
>>>>   obey pam restrictions = no
>>>>   invalid users = root
>>>>  username map = /etc/samba/domain_user.map
>>>> winbind separator = +
>>>>    winbind cache time = 600
>>>>    idmap uid = 19000-20000
>>>>    idmap gid = 19000-20000
>>>>
>>>> Please let me know what else I may provide to help solve this. I 
>>>> found some threads on this issue that were several years old in 
>>>> regard to 3.028 having this issue and it was patched in a later 
>>>> release.  I can't find anything current about this. Thank you in 
>>>> advance.
>>> Doug,
>>>
>>> This is most likely related to the idmap syntax changes in recent 
>>> Samba versions. idmap uid/gid is depracated.  3.6 uses something 
>>> like the following:
>>>
>>>     idmap config * : backend        = tdb
>>>     idmap config * : range            = 1000000 - 2000000
>>>     idmap config DOMAIN1 : default     = Yes
>>>     idmap config DOMAIN1 : backend    = rid
>>>     idmap config DOMAIN1 : range        = 1000 - 2000
>>>     idmap config DOMAIN2 : backend    = rid
>>>     idmap config DOMAIN2 : range        = 3000 - 4000
>>>
>>> Range values should not overlap.  Adjust backend and range values to 
>>> suit your situation.
>>>
>>> Dale
>>>
>>
>> Sorry, hit send too soon.  Here is the command/log:
>>
>> [root at lylesmb1 ~]# wbinfo -a SEAS-S+tuckerd
>> Enter SEAS-S+tuckerd's password:
>> plaintext password authentication succeeded
>> Enter SEAS-S+tuckerd's password:
>> challenge/response password authentication succeeded
>>
>>  [ 2639]: pam auth crap domain: [SEAS-S] user: tuckerd
>> [2013/11/13 15:32:29.093674, 10] 
>> winbindd/winbindd.c:679(wb_request_done)
>>   wb_request_done[2639:PAM_AUTH_CRAP]: NT_STATUS_OK
>>
>>
>>
>>
>>
> Did you clear your winbind cache and restart the winbind service?
>
> Jonn
>
I just did a windbind stop and start...does that clear the cache?