[Freeipa-devel] [PATCH] 0078 ipa-client-install: Obtain host TGT from one specific KDC

[Rob Crittenden]

Jan Cholasta wrote:
> Dne 12.9.2012 14:09, Petr Viktorin napsal(a):
>> On 09/12/2012 01:20 PM, Petr Viktorin wrote:
>>> On 09/11/2012 10:39 PM, Rob Crittenden wrote:
>>>> Petr Viktorin wrote:
>>>>> When installing the client, we need to take extra case to only contact
>>>>> the one server we're installing against. Otherwise, in the real world,
>>>>> we might hit a server that hasn't replicated info about the client
>>>>> yet.
>>>>>
>>>>> This patch fixes a bug where kinit attempted to contact a KDC that
>>>>> didn't have the host principal yet.
>>>>>
>>>>>
>>>>> To reproduce:
>>>>>
>>>>> - Install a "master" and "replica"
>>>>> - Change the Kerberos DNS entries to only point to the replica:
>>>>>      for REC_NAME in '_kerberos-master._tcp' '_kerberos-master._udp'
>>>>> '_kerberos._tcp' '_kerberos._udp' '_kpasswd._tcp' '_kpasswd._udp'; do
>>>>>          ipa dnsrecord-mod $DOMAIN $REC_NAME --srv-rec="0 100 88
>>>>> $REPLICA_HOSTNAME"
>>>>>      done
>>>>>      ipa dnsrecord-mod $DOMAIN _ldap._tcp --srv-rec="0 100 389
>>>>> $MASTER_HOSTNAME"
>>>>>      ipa dnsrecord-find $DOMAIN  # check
>>>>> - Sever communication between the hosts to disable replication:
>>>>>      (on master)
>>>>>      iptables -A INPUT -j DROP -p all --source $REPLICA_IP
>>>>> - On client machine, put master as nameserver in /etc/resolv.conf &
>>>>> install client
>>>>>
>>>>> This will fail without the patch.
>>>>>
>>>>>
>>>>> Thanks to Petr Spacek, Simo, and Scott for helping to reproduce and
>>>>> explain the bug. I learned a lot.
>>>>>
>>>>> https://fedorahosted.org/freeipa/ticket/2982
>>>>
>>>> ACK, pushed to master and ipa-3-0
>>>>
>>>> rob
>>>>
>>>
>>> The patch broke server installs. Please revert it if you're having
>>> trouble while I look into it.
>>>
>>>
>>
>> I messed up and removed the kinit call entirely when installing on
>> master. Attaching a fix.
>>
>
> Works for me, ACK.
>
> Honza
>

pushed to master and ipa-3-0