From miconda@gmail.com Fri Mar 15 08:44:21 2013
From: Daniel-Constantin Mierla <miconda@gmail.com>
To: sr-users@lists.kamailio.org
Subject: Re: [SR-Users] Problems with Mar portion of registration [IMS]
Date: Fri, 15 Mar 2013 08:44:13 +0100
Message-ID: <5142D14D.7080808@gmail.com>
In-Reply-To: <514086A0.3010402@interoptechnologies.com>
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Hello,

I haven't played with IMS modules, but you said is causing scscf to die 
-- is that a kamailio instance? What means 'to die' -- does it crash? If 
yes, can you get the syslog messages and the gdb backtrace?

Cheers,
Daniel

On 3/13/13 3:01 PM, mrichardson wrote:
> The MAR portion of registration is either not happening or failing
> causing scscf to die.   Using Kamailio 4.0 with the ims_auth module.
> We're trying to determine what
> the REGISTER block should look like and what ims_auth parameters are
> necessary for a successful MAR challenge with auth vector delivery.   We
> currently only get the UAR by ICSCF then the SAR by SCSCF.
>
> Module parameters:
> # -- ims_auth params --
> modparam("ims_auth", "name", URI)
> modparam("ims_auth", "registration_default_algorithm", 
> REG_AUTH_DEFAULT_ALG)
> modparam("ims_auth","ignore_failed_auth",0)
> #!ifdef CXDX_FORCED_PEER
> modparam("ims_auth", "cxdx_forced_peer", CXDX_FORCED_PEER)
> #!endif
> modparam("ims_auth", "cxdx_dest_realm", NETWORKNAME)
> modparam("ims_auth", "av_request_at_once", 1)
> modparam("ims_auth", "registration_qop", "auth")
>
> route[REGISTER] {
>          xlog("L_ERR", "Enter register block");
>          t_newtran();
>
>          ims_www_authenticate(NETWORKNAME);
>         #check to see if user is authenticated - ie sip header has auth
> information - (already challenged)
>         if ($avp(maa_return_code) == 1) {
>                 # user has not been authenticated. Lets send a challenge
> via 401 Unauthorized
>                 ims_www_challenge("$td");
>                 exit;
>         } else {
>                 # We need to check if this user is registered or not
>                 if (!impu_registered("location")) {
>                         save("location");
>                         if ($avp(saa_return_code) == 1) {
> isc_match_filter_reg("0","location");
>                                 exit;
>                         }
>                 } else {
>                         save("location");
>                         if($avp(saa_return_code) == 1) {
> isc_match_filter_reg("1","location");
>                                exit;
>                         }
>                 }
>         }
> }
>
>
> 12(22978) INFO: cdp [receiver.c:910]: peer_connect(): Peer 
> hss.ims.somecompany.com:3868 connected
>  0(22966) ERROR: <script>: Enter register block 0(22966) INFO: 
> ims_registrar_scscf [cxdx_sar.c:79]: created AVP successfully : 
> [saa_return_code] - [-2]
>  5(22971) INFO: ims_registrar_scscf [cxdx_avp.c:138]: 
> cxdx_get_experimental_result_code: Failed finding avp
>  5(22971) INFO: ims_registrar_scscf [cxdx_sar.c:79]: created AVP 
> successfully : [saa_return_code] - [1]
>  5(22971) WARNING: tm [t_lookup.c:1559]: WARNING: script writer didn't 
> release transaction
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users(a)lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference, April 16-17, 2013, Berlin
  - http://conference.kamailio.com -



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