[Unbound-users] python module example documentation bug and crasher

[W.C.A. Wijngaards]

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Hi Paul.

On 01/19/2014 08:04 AM, Paul Wouters wrote:
> 
> I looked at:
> 
> http://www.unbound.net/documentation/pythonmod/examples/example0.html#complete-source-code
>
> 
> 
> When loading that module, unbound always SERVFAIL's. Thinking that
> this section was wrongly returning MODULE_ERROR:
> 
> if event == MODULE_EVENT_PASS: log_info("pythonmod: event_pass") 
> qstate.ext_state[id] = MODULE_ERROR return True
> 
> I changed it to MODULE_FINISHED. However, that lead to a crash in 
> unbound:

You are violating the api contract for modules, if the rcode is
noerror then there must be a valid dns_msg (with content).  Otherwise,
the rcode is all there is.  If you want an rcode with more data, set
the outer rcode to noerror and the dns-msg rcode to the rcode you want
and the rest of the dns-msg with all the data.

Best regards,  Wouter
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