[SR-Users] Error Registering the user and finding the AVP
Henning Westerholt
hw at skalatan.de
Fri Aug 2 16:11:18 CEST 2019
Hello Javiar,
I am not an IMS expert - but see my comment below inline:
Am 02.08.19 um 14:05 schrieb jespinosa:
> Hello,
> My name is Javier, I must first apologize for my little knowledge
> about the tool and my poor English. I am trying to connect a
> functional core network LTE with Kamailio and I have used the Polaris
> Networks Solution that brings an iso with both functionalities.
> The EPC is correctly configured and working because I can have data
> connection in my UE, I have also activated all the IMS options in the
> EPC: I have created the APN with ims identifier, the default carrier
> QCI assigned is 5 (for SIP signaling), the MME has activated the
> option to support IMS Voice over the PS session and the HSS and PCRF
> nodes are configured with the interfaces at the addresses and ports
> Cx-HSS 127.0.0.1:3868 and Cx-PCRF 10.11.0.35:3868 .
> There are several parameters that I do not know if it is necessary to
> activate, for example, in the PCRF the customization of the QCI for
> the media type, if I must include the OCS and OFCS as nodes, or if in
> the profile of my APN I must include authentication by PDN AAA.
> The configuration I use for the IMS is as follows:
> imsrealm = net1.test
> imsport = 5060
> pcscfgmip = 10.77.0.35
> pcscfgmipintf = eth6
> pcscfrxip = 10.102.81.111
> pcscfrxipintf = eth1
> icscfmwip = 127.0.0.21
> icscfmwipintf = lo:21
> icscfcxip = 127.0.0.20
> icscfcxipintf = lo:20
> scscfmwip = 127.0.0.23
> scscfmwipintf = lo:23
> scscfcxip = 127.0.0.22
> scscfcxipintf = lo:22
> audiobandwidth = 64
> videobandwidth = 128
> epcrealm = epc.mnc001.mcc001.3gppnetwork.org
> pcrfhost = pcrf2.morsecore
> pcrfrxip = 10.11.0.35
> pcrfrxport = 3868
> hsshost = hss6.morsecore
> hsscxdxip = 127.0.0.1
> hsscxdxport = 3868
>
> Both cores are running on the same machine but I have disabled the
> option of PCRF Co-located with IMS to be able to edit the pcrf host
> name since if I enable it it does not reach the peer pcrf.localhost
> even if the DNS is well configured. My UE is not able to launch the
> REGISTER by itself when it is going to make a call, so I am using the
> Google IMSDroid application to be able to launch the SIP requests and
> check the operation of the IMS. In the application of the UE the
> configuration is as follows:
> Identity: Alice
> Public Identity: sip:<MSISDN>@net1.test (MSISDN=8800000451 configurado
> previamente en el EPC)
> Private Identity: sip:<IMSI>@net1.test (IMSI incluyendo MCC y MNC)
> Password: alice
> Realm: net1.test (Aunque no sé si debo poner aquí
> epc.mnc001.mcc001.3gppnetwork.org, pero entonces la petición da error)
> Network: Proxy-CSCF Host: 10.77.0.35:5060 Transport UDP and NO
> Proxy-CSCF discovery.
>
> So, I launch my request and the log of the P-CSCF node is as follows:
> Aug 2 12:50:04 morsecore kamailio[53656]: INFO: <script>: REGISTER
> (sip:8800000451 at net1.test (10.77.0.196:37651) to
> sip:8800000451 at net1.test, 76203fe6-1d8f-bcba-c9ab-4050ac0d8cc8)
> Aug 2 12:50:04 morsecore kamailio[53656]: INFO: cdp
> [authstatemachine.c:200]: auth_client_statefull_sm_process(): after
> callback of event 1
> Aug 2 12:50:04 morsecore kamailio[53802]: INFO: cdp
> [authstatemachine.c:200]: auth_client_statefull_sm_process(): after
> callback of event 7
> Aug 2 12:50:04 morsecore kamailio[53655]: INFO: <script>: REGISTER
> (sip:8800000451 at net1.test (10.77.0.196:37651) to
> sip:8800000451 at net1.test, 76203fe6-1d8f-bcba-c9ab-4050ac0d8cc8)
> Aug 2 12:50:05 morsecore kamailio[53664]: INFO: <script>: REGISTER
> (sip:8800000451 at net1.test (10.77.0.196:37651) to
> sip:8800000451 at net1.test, 76203fe6-1d8f-bcba-c9ab-4050ac0d8cc8)
> Aug 2 12:50:07 morsecore kamailio[53659]: INFO: <script>: REGISTER
> (sip:8800000451 at net1.test (10.77.0.196:37651) to
> sip:8800000451 at net1.test, 76203fe6-1d8f-bcba-c9ab-4050ac0d8cc8)
> Aug 2 12:50:11 morsecore kamailio[53666]: INFO: <script>: REGISTER
> (sip:8800000451 at net1.test (10.77.0.196:37651) to
> sip:8800000451 at net1.test, 76203fe6-1d8f-bcba-c9ab-4050ac0d8cc8)
>
> I understand that everything is correct until now, but in the I-CSCF
> node it appears:
> Aug 2 12:50:04 morsecore kamailio[53397]: INFO: ims_icscf
> [cxdx_uar.c:71]: create_uaa_return_code(): created AVP successfully :
> [uaa_return_code]
> Aug 2 12:50:04 morsecore kamailio[53465]: INFO: ims_icscf
> [cxdx_avp.c:137]: cxdx_get_avp(): cxdx_get_server_name: Failed finding
> avp
> Aug 2 12:50:04 morsecore kamailio[53465]: INFO: ims_icscf
> [cxdx_avp.c:137]: cxdx_get_avp(): cxdx_get_capabilities: Failed
> finding avp
> Aug 2 12:50:04 morsecore kamailio[53465]: INFO: ims_icscf
> [cxdx_avp.c:137]: cxdx_get_avp(): cxdx_get_result_code: Failed finding
> avp
> Aug 2 12:50:04 morsecore kamailio[53465]: ERROR: ims_icscf
> [cxdx_uar.c:152]: async_cdp_uar_callback():
> RC_IMS_DIAMETER_ERROR_USER_UNKNOWN
> Aug 2 12:50:04 morsecore kamailio[53465]: INFO: ims_icscf
> [cxdx_uar.c:71]: create_uaa_return_code(): created AVP successfully :
> [uaa_return_code]
> Aug 2 12:50:04 morsecore kamailio[53465]: ERROR: <script>: UAR
> failure - error response sent from module
This is the code that creates this error:
avp = cdpb.AAAFindMatchingAVP(msg,0,avp_code,vendor_id,0);
if (avp==0){
LM_INFO("%s: Failed finding avp\n",func);
return r;
}
So the module can't execute the AAAFindMatchingAVP function imported
from the CDP module. The README mentions a XML file that needs to be
defined, have you setup this as well?
> Where I believe that the REGISTER message is not even forwarded,
> however it seems that it gives an error that the user is unknown or
> not registered but if I access the MySQL database, the registered
> users are:
> +----+------------+-----------+----------+---------------+----------------------------------+----------------------------------+------+
>
> | id | username | domain | password | email_address |
> ha1 | ha1b |
> rpid |
> +----+------------+-----------+----------+---------------+----------------------------------+----------------------------------+------+
>
> | 1 | alice | net1.test | alice | |
> 91cc8c652ef5f37e91c468c7319d0086 | 044776963e2661788e8db076b393333e |
> NULL |
> | 2 | bob | net1.test | bob | |
> 6ef7f9c924f1385d83cf22cbb94cfbbb | 0d893d2d8c10a044b918e4bd73b6bee5 |
> NULL |
> | 3 | 8800000451 | net1.test | alice | |
> 46811c4e58f298953a6f9efccf6c32f1 | 49c7a7ad84fe797fbefa2185be4cd226 |
> NULL |
> +----+------------+-----------+----------+---------------+----------------------------------+----------------------------------+------+
>
>
> However, I do not know if it is accessing the mounted MySQL database
> or accessing the HSS and on this node, in the databases it does not
> contain the user (although it must be because it is registered in the
> network correctly).
> In case it works, this is the trace of wireshark filtered by the
> protocols S1AP, SIP and Diameter just when a REGISTER request is
> launched:
> "596","2019-08-02
> 12:50:00.705985000","127.0.0.20","127.0.0.1","DIAMETER","130","cmd=Device-Watchdog
> Request(280) flags=R--- appl=Diameter Common Messages(0) h2h=fedcb89
> e2e=4df0bbf5 | "
> "597","2019-08-02
> 12:50:00.706133000","127.0.0.1","127.0.0.20","DIAMETER","210","cmd=Device-Watchdog
> Answer(280) flags=---- appl=Diameter Common Messages(0) h2h=fedcb89
> e2e=4df0bbf5 | "
> "599","2019-08-02
> 12:50:00.786878000","127.0.0.22","127.0.0.1","DIAMETER","130","cmd=Device-Watchdog
> Request(280) flags=R--- appl=Diameter Common Messages(0) h2h=fedcb89
> e2e=4df0bbf5 | "
> "600","2019-08-02
> 12:50:00.787019000","127.0.0.1","127.0.0.22","DIAMETER","210","cmd=Device-Watchdog
> Answer(280) flags=---- appl=Diameter Common Messages(0) h2h=fedcb89
> e2e=4df0bbf5 | "
> "602","2019-08-02
> 12:50:00.914405000","10.102.81.111","10.11.0.35","DIAMETER","130","cmd=Device-Watchdog
> Request(280) flags=R--- appl=Diameter Common Messages(0) h2h=fedcb89
> e2e=4df0bbf5 | "
> "603","2019-08-02
> 12:50:00.914549000","10.11.0.35","10.102.81.111","DIAMETER","214","cmd=Device-Watchdog
> Answer(280) flags=---- appl=Diameter Common Messages(0) h2h=fedcb89
> e2e=4df0bbf5 | "
> "622","2019-08-02 12:50:04.027238000","10.77.0.196","10.77.0.35","GTP
> <SIP>","1034","Request: REGISTER sip:net1.test (1 binding) | "
> "623","2019-08-02 12:50:04.027347000","10.77.0.196","10.77.0.35","GTP
> <SIP>","1034","Request: REGISTER sip:net1.test (1 binding) | "
> "624","2019-08-02
> 12:50:04.027448000","10.77.0.196","10.77.0.35","SIP","998","Request:
> REGISTER sip:net1.test (1 binding) | "
> "625","2019-08-02
> 12:50:04.028850000","10.102.81.111","10.11.0.35","DIAMETER","426","cmd=AA
> Request(265) flags=RP-- appl=3GPP Rx(16777236) h2h=fedcb8a
> e2e=4df0bbf6 | "
> "626","2019-08-02
> 12:50:04.029862000","10.11.0.35","10.102.81.111","DIAMETER","350","cmd=AA
> Answer(265) flags=-P-- appl=3GPP Rx(16777236) h2h=fedcb8a e2e=4df0bbf6
> | "
> "630","2019-08-02
> 12:50:04.031113000","10.77.0.35","127.0.0.21","SIP","1280","Request:
> REGISTER sip:net1.test (1 binding) | "
> "631","2019-08-02
> 12:50:04.031794000","127.0.0.21","10.77.0.35","SIP","440","Status: 100
> Trying | "
> "632","2019-08-02
> 12:50:04.032382000","127.0.0.20","127.0.0.1","DIAMETER","354","cmd=User-Authorization
> Request(300) flags=RP-- appl=3GPP Cx(16777216) h2h=fedcb8a
> e2e=4df0bbf6 | "
> "633","2019-08-02
> 12:50:04.033101000","127.0.0.1","127.0.0.20","DIAMETER","298","cmd=User-Authorization
> Answer(300) flags=-P-- appl=3GPP Cx(16777216) h2h=fedcb8a e2e=4df0bbf6
> | "
> "636","2019-08-02
> 12:50:04.033557000","127.0.0.21","10.77.0.35","SIP","504","Status: 403
> Forbidden - HSS User Unknown | "
>
> I don't know if any information or configuration details are missing
> but I can attach it at any time without any problem.
> Regards and thank you very much in advance,
> Javier Espinosa.
>
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--
Henning Westerholt - https://skalatan.de/blog/
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