[OpenSIPS-Devel] Access rules for dialog state?

Adrian Georgescu ag at ag-projects.com
Tue Jul 7 16:17:53 CEST 2009


For the lack of other pragmatic methods I would implement the following:

A. Suport in OpenXCAP server a new auid, document name dialog-rules  
with the clear purpose of providing an authorization policy for dialog  
Event
B. Setup the OpenSIPS PA module that handles the dialog event to read  
it in order to apply a policy, the same as presence_xml does with pres- 
rules

Does anyone see a problem with this approach?

Adrian


On Jul 7, 2009, at 3:37 PM, Iñaki Baz Castillo wrote:

> 2009/7/7 Iñaki Baz Castillo <ibc at aliax.net>:
>> 2009/7/7 Adrian Georgescu <ag at ag-projects.com>:
>>> I have a question about the policy for subscriptions to dialog  
>>> state.
>>> How should this be done? Would a new pres-rules document make sense
>>> for this. Like dialog-rules, same schema.
>>>
>>> I could not find any normative specification, did someone find
>>> something related to this?
>>
>> Hi Adrian, recently I've read all the XCAP related RFC's and  
>> documents
>> and found no info at all about RFC 4235. It seems that XCAP is just
>> defined for SIMPLE presence (events "presence", "presence.watcher"  
>> and
>> so).
>>
>> In section 6 of RFC 5025 (pres-rules) there is an example of XML
>> document in which there is no keyword "presence" at all, so I assume
>> it is intended just for "presence" event :(
>>  http://tools.ietf.org/html/rfc5025#section-6
>>
>> However, would opensips presence module ask for such authorization
>> rules to the XCAP server if the SUBSCRIBE event is different than
>> "presence"?
>
> Adrian, since I'm also interested in this exotic topic, I've started a
> thread in sip-implementors:
>  https://lists.cs.columbia.edu/pipermail/sip-implementors/2009-July/023106.html
>
> Feel free to join it :)
>
>
>
> -- 
> Iñaki Baz Castillo
> <ibc at aliax.net>




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