[Freeipa-users] Failure decoding Certificate Signing Request

Rob Crittenden rcritten at redhat.com
Wed Oct 23 02:13:28 UTC 2013


Thomson, Ryan wrote:
>> -----Original Message-----
>> From: Rob Crittenden [mailto:rcritten at redhat.com]
>> Sent: Tuesday, October 22, 2013 10:46 AM
>> To: Thomson, Ryan; freeipa-users at redhat.com
>> Subject: Re: [Freeipa-users] Failure decoding Certificate Signing Request
>>
>> Thomson, Ryan wrote:
>>> Hi Rob,
>>>
>>>> There is some duplication in the error strings (ticket
>>>> https://fedorahosted.org/freeipa/ticket/3988). Did you add a number
>>>> prefix to yours, I see a 3 -in the error. If so, by my calculation,
>>>> this works out to be an NSPRError. It would be helpful to know what
>>>> exception is being raised, which we don't do.
>>>
>>> I did prefix numbers to the various error strings.
>>>
>>>> Either way, if you could enhance each occurrence of 'Failure decoding
>>>> Certificate Signing Request' in /usr/lib/python*/site-
>>>> packages/ipalib/plugins/cert.py to something like:
>>>>
>>>> except NSPEError, nsprerr:
>>>>        raise  errors.CertificateOperationError(error=_('Failure
>>>> decoding Certificate Signing Request" %s') % nsprerr)
>>>>
>>>> You'll need to restart the httpd process afterwards. This should give
>>>> us the real reason for the failure.
>>>
>>> Done. The error I get now is:
>>>
>>> Server failed request, will retry: 4301 (RPC failed at server.  Certificate
>> operation cannot be completed: Failure decoding Certificate Signing
>> Request" [Errno -8018] error (-8018) unknown).
>>
>> Hmm, very strange indeed.
>>
>> It should be using the NSS database initialized in mod_nss for Apache, which
>> should remain open and available for wsgi. It almost seems like the database
>> has been shut down.
>>
>> Can you add a logging event to log the value of nss.nss_is_initialized()?
>>
>> Have you done any configuration customization in Apache or mod_nss?
>>
>> thanks
>>
>> rob
>
> The return value of nss.nss_is_initialized() is False when I resubmit the (expired) certs through certmonger.

Ok, that is the core of the issue then. pkcs10.load_certificate() will 
initialize NSS If it isn't already and I'm guessing that is failing and 
is the source of this exception.

> I did have a custom config for apache that configured a virtual host with SSL. I have disabled that config and restarted httpd, resubmitted the certs to certmonger but I still receive the same error. I will continue poking through my apache / mod_nss config to see if anything stands out.

You're still using mod_nss though, right?

rob




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