[Freeipa-users] UID 999, not possible?

Alexander Bokovoy abokovoy at redhat.com
Fri Jun 29 13:55:17 UTC 2012


On Fri, 29 Jun 2012, Petr Viktorin wrote:
>On 06/29/2012 03:04 PM, Alexander Bokovoy wrote:
>>On Thu, 28 Jun 2012, sysadmin at noboost.org wrote:
>>>Hi All,
>>>
>>>Is there a weird restriction to UID 999 in ipa, as IPA keeps changing
>>>the UID when I add a user with that number? (I've already checked the
>>>UID isn't in use)
>>We use 999 as a marker for DNA plugin. UID/GID 999 is replaced by
>>an allocated one with the help of the 389-ds plugin
>>http://directory.fedoraproject.org/wiki/DNA_Plugin
>>http://docs.redhat.com/docs/en-US/Red_Hat_Directory_Server/9.0/html/Deployment_Guide/Defining_Dynamic_Atrribute_Values.html#about-dunamically-assigning-attribute-values
>
>The documentation mentions that the magic value can be a word 
>("magic"), or it doesn't have to exist at all (it's added for 
>objectClass:posixAccount entries). Is there a reason IPA is using 999 
>here?
uidNumber and gidNumber field use integer value syntax:
OID value: 1.3.6.1.4.1.1466.115.121.1.27

OID description:
Values in this syntax are encoded as the decimal representation of their
values, with each decimal digit represented by the its character
equivalent. So the number 1321 is represented by the character string
"1321". 

So, you can't have string there that does not evaluate to integer.

>If there is, the command should fail instead of silently assigning a 
>different number than asked for. I'll file a bug for this.
DNA_MAGIC in user.py is defined to 999 and it is default value to
uidNumber and gidNumber options. We have no way to differentiate between
default and entered by user but the same value.

>
>>>
>>>[root at sysvm-ipa ~]# ipa user-add administrator --uid=999 --gidnumber=132
>>>--first=administrator --last=administrator
>>>--------------------------
>>>Added user "administrator"
>>>--------------------------
>>> User login: administrator
>>> First name: administrator
>>> Last name: administrator
>>> Full name: administrator administrator
>>> Display name: administrator administrator
>>> Initials: aa
>>> Home directory: /home/administrator
>>> GECOS field: administrator administrator
>>> Login shell: /bin/bash
>>> Kerberos principal: administrator at EXAMPLE.COM
>>> UID: 721000062
>>> GID: 132
>>> Keytab: False
>>> Password: False
>>>
>>>
>>>cya
>>>
>>>Craig
>>>
>>>_______________________________________________
>>>Freeipa-users mailing list
>>>Freeipa-users at redhat.com
>>>https://www.redhat.com/mailman/listinfo/freeipa-users
>>
>>
>>
>
>
>-- 
>Petr³
>
>
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-- 
/ Alexander Bokovoy




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