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On 09/19/2012 02:54 PM, Rob Crittenden wrote:
> Nathan Lager wrote:
>> 
>> 
>> On 09/19/2012 11:34 AM, Rob Crittenden wrote:
>>> Nathan Lager wrote:
>>>> 
>>>> On 09/19/2012 10:37 AM, Rob Crittenden wrote:
>>>>> Lager, Nathan T. wrote:
>>>>>> 
>>>>>> ----- Original Message -----
>>>>>>> From: "Rob Crittenden" <rcrit...@redhat.com> To:
>>>>>>> "Nathan Lager" <lag...@lafayette.edu> Cc:
>>>>>>> freeipa-users@redhat.com Sent: Tuesday, September 18,
>>>>>>> 2012 5:17:00 PM Subject: Re: [Freeipa-users] sudden ipa
>>>>>>> errors.
>>>>>>> 
>>>>>>> Ok, what are the permissions on the keytab, 
>>>>>>> /etc/httpd/conf/ipa.keytab? They should be
>>>>>>> apache:apache mode 0600.
>>>>>> 
>>>>>> [lagern@caroline0 PROD ~]$ ls -lZ
>>>>>> /etc/httpd/conf/ipa.keytab -rw-------. apache apache 
>>>>>> unconfined_u:object_r:httpd_config_t:s0 
>>>>>> /etc/httpd/conf/ipa.keytab
>>>>>> 
>>>>>>> 
>>>>>>> Are you in SELinux enforcing mode? Can you try in 
>>>>>>> permissive to see if that works?
>>>>>> I was enforcing at the start of all of this, but ive
>>>>>> since switched to permissive for troubleshooting.  It
>>>>>> hasnt made a difference.
>>>>> 
>>>>> Are you getting an HTTP service principal in the client?
>>>>> 
>>>>> $ kdestroy $ kinit admin $ ipa user-show admin <fail> $
>>>>> klist -fea
>>>>> 
>>>>> Lets try to skip s4u2proxy. Does this work:
>>>>> 
>>>>> $ ipa --delegate user-show admin
>>>>> 
>>>>> Unfortunately the major and minor error codes are as
>>>>> generic as can be so they aren't any help at all.
>>>>> 
>>>>> rob
>>>> 
>>>> Here's the output. The --delegate still failed.
>>>> 
>>>> [root@caroline0 PROD ~]# klist -fea Ticket cache: 
>>>> FILE:/tmp/krb5cc_0 Default principal: 
>>>> lag...@systems.lafayette.edu
>>>> 
>>>> Valid starting     Expires            Service principal
>>>> 09/19/12 11:23:03  09/20/12 11:22:52 
>>>> krbtgt/systems.lafayette....@systems.lafayette.edu Flags:
>>>> FIA, Etype (skey, tkt): aes256-cts-hmac-sha1-96, 
>>>> aes256-cts-hmac-sha1-96 Addresses: (none) 09/19/12 11:23:11 
>>>> 09/20/12 11:22:52 
>>>> HTTP/caroline0.lafayette....@systems.lafayette.edu Flags:
>>>> FAT, Etype (skey, tkt): aes256-cts-hmac-sha1-96, 
>>>> aes256-cts-hmac-sha1-96 Addresses: (none) [root@caroline0
>>>> PROD ~]# ipa --delegate user-show admin ipa: ERROR: cannot
>>>> connect to u'http://caroline0.lafayette.edu/ipa/xml':
>>>> Internal Server Error [root@caroline0 PROD ~]#
>>> 
>>> Is it the same major/minor error in gss_acquire_cred()?
>>> 
>>> Does GSSAPI over LDAP work?
>>> 
>>> $ ldapsearch -Y GSSAPI -h ipa.example.com -b 
>>> cn=users,cn=accounts,dc=example,dc=com admin
>>> 
>> This appears to work.
>> 
>> [root@caroline0 PROD ~]# ldapsearch -Y GSSAPI -h 
>> caroline0.lafayette.edu -b 
>> cn=users,cn=accounts,dc=systems,dc=lafayette,dc=edu admin 
>> SASL/GSSAPI authentication started SASL username:
>> lag...@systems.lafayette.edu SASL SSF: 56 SASL data security
>> layer installed. # extended LDIF # # LDAPv3 # base
>> <cn=users,cn=accounts,dc=systems,dc=lafayette,dc=edu> with scope
>> subtree # filter: (objectclass=*) # requesting: admin #
>> 
>> # users, accounts, systems.lafayette.edu dn:
>> cn=users,cn=accounts,dc=systems,dc=lafayette,dc=edu
>> 
>> # admin, users, accounts, systems.lafayette.edu dn:
>> uid=admin,cn=users,cn=accounts,dc=systems,dc=lafayette,dc=edu
>> 
>> <-- a bunch of other users here -->
>> 
>> # search result search: 4 result: 0 Success
>> 
>> # numResponses: 10 # numEntries: 9
>> 
> 
> Ok, so it's JUST Apache then.
> 
> Is the hostname on caroline0 set as a FQDN (/bin/hostname)?
> 
> If not, I'd try setting it to caroline0.lafayette.edu
> 
> If so, might be worth trying to refresh your Apache keytab. I made
> some educated guesses on your hostnames/realm, please
> double-check:
> 
> # ipa-getkeytab -s caroline0.lafayette.edu -p 
> HTTP/caroline0.lafayette.edu@ SYSTEMS.LAFAYETTE.EDU -k 
> /etc/httpd/conf/ipa.keytab
> 
> Should not be required to restart httpd but it shouldn't hurt. Run 
> kdestroy/kinit before trying ipa user-show again.
> 
> rob

well, seems like we're at least narrowing things down.  But its still
no good.

The hostname is the fqdn. /bin/hostname returns it as such.


[root@caroline0 PROD ~]# ipa-getkeytab -s caroline0.lafayette.edu -p
HTTP/caroline0.lafayette....@systems.lafayette.edu -k
/etc/httpd/conf/ipa.keytab
Keytab successfully retrieved and stored in: /etc/httpd/conf/ipa.keytab
[root@caroline0 PROD ~]# service httpd restart
Stopping httpd:                                            [  OK  ]
Starting httpd: [Wed Sep 19 15:34:24 2012] [warn] worker
ajp://localhost:9447/ already used by another worker
[Wed Sep 19 15:34:24 2012] [warn] worker ajp://localhost:9447/ already
used by another worker
                                                           [  OK  ]
[root@caroline0 PROD ~]# kdestroy
[root@caroline0 PROD ~]# kinit lagern
Password for lag...@systems.lafayette.edu:
[root@caroline0 PROD ~]# ipa pwpolicy-show
ipa: ERROR: cannot connect to
u'http://caroline0.lafayette.edu/ipa/xml': Internal Server Error


- -- 
- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Nathan Lager, RHCSA, RHCE (#110-011-426)
System Administrator
11 Pardee Hall
Lafayette College, Easton, PA 18042
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