[SR-Users] uac_auth()
Alex Balashov
abalashov at evaristesys.com
Wed Jun 16 10:32:17 CEST 2010
On 06/16/2010 04:27 AM, Iñaki Baz Castillo wrote:
> 2010/6/16 Alex Balashov<abalashov at evaristesys.com>:
>> Also, CSeq is not being incremented.
>
> Why do you want CSeq being incremented by the proxy? Note that the UAS
> still knows nothing about the request until it receives the first
> INVITE (with credentials) from he proxy.
Am I misreading 3261 Section 22.3?
If a proxy were to resubmit a request adding a
Proxy-Authorization header field value, it would need
to increment the CSeq in the new request. However, this
would cause the UAC that submitted the original request to
discard a response from the UAS, as the CSeq value would
be different.
Since the proxy is the authentication actor, I assumed this is how it
should be done. On the other hand, if the purpose of the UAC module
is to "spoof" a challenge response as if it really came from the UAC,
I suppose this is not appropriate.
Either way, regardless of CSeq, the Proxy-Authorization header is not
being added to the resent request. Unless I am doing something wrong,
I believe uac_auth() doesn't work.
--
Alex Balashov - Principal
Evariste Systems LLC
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