[SR-Users] Received ipv6 problem

[Ahmed Marsou]

Hi, thanks for your response. I appreciate the help, I really appreciate
it.
My problem is that I have to send a MESSAGE to an application to show the
user a message.
Like that:









*$ var (address) = $ (ulc (existingContact => received) [0]);$ var (ruri) =
$ (var (address) {s.substr, 4,0});# Submit a SIP request stating the
problem and its reason in the body$ uac_req (method) = "MESSAGE";$ uac_req
(ruri) = "sip:" + $ au + "@" + $ var (ruri);$ uac_req (furi) = "sip:
kamailio @ sip_domain";$ uac_req (turi) = $ fu;$ uac_req (hdrs) =
"Max-Forwards: 70 \ r \ nEvent: reg \ r \ nContent-Type: text / plain \ r \
nAccept-Contact: *; + g.ext.app.registration \ r \ n" ;$ uac_req (body) =
"Already registered with another device ID";uac_req_send ();*

For the previous user, I mean. The first record, not the second. How can I
get the first source IP address to replace $ var (address) = $ (ulc
(existingContact => received) [0]); and send him the message? If I use save
(); module, I will have the same problem, because I will not be able to
find the previous IP source.
Thank you so much.
Kind regards.

El mié., 3 jun. 2020 5:43, Joel Serrano <joel at textplus.com> escribió:

> Not exactly an answer to your specific question, but it might help solve
> your problem in a different way...
>
> If you using the registrar module with save()... you might be able to take
> advantage in some way of the flags 0x04:
>
>
> https://kamailio.org/docs/modules/5.3.x/modules/registrar.html#registrar.f.save
>
>
> *"0x04 - store and maintain one contact per AoR. If there are other
> contact addresses for AoR not matching current registration, remove them.
> This mode ensures one contact per AoR (user)."*
>
> Regarding "received", I would think that you have it on IPV4 because the
> UA is probably behind NAT, and you are adding it in config script, with
> IPv6, there is no NAT, and --most likely-- you are not adding it, thus it's
> not saved to the database. Check if you are using fix_nated_register()
> somewhere in your config file.. For IPv6 it might be easier if you just
> pull the IP from the Contact info.
>
>
> Sorry if this isn't very helpful, I'm guessing a little based on the info
> you provided :)
>
> Cheers,
> Joel.
>
>
>
> On Tue, Jun 2, 2020 at 4:46 PM Ahmed Marsou <amarsou1988 at gmail.com> wrote:
>
>> Hi;
>> I'm using the received parameter to send a MESSAGE to unregsiter the
>> first user that is registered to register the second one.
>> Using:
>> *modparam("usrloc", "received_column"*
>>
>> *modparam("registrar|nathelper", "received_avp",*
>>
>> and when I do a:
>> select received from location;
>> as you can see is null.
>> +----------+
>> | received |
>> +----------+
>> | NULL     |
>> +----------+
>>
>> In IPV4 is working fine, but in IPV6 is not. Can you tell me how can I
>> get this value?
>> Im going crazy with that.
>>
>>                 reg_fetch_contacts("location", "$fu", "existingContact");
>>                 if( $(ulc(existingContact=>user_agent)[0]) =~ "SPI/v"){
>>                         $var(oldDeviceId) =
>> $(ulc(existingContact=>callid)[0]{s.substr,9,0});
>>                         $var(newDeviceId) = $(hdr(Call-ID){s.substr,9,0});
>>                         if($var(oldDeviceId) !=  $var(newDeviceId) ){
>>                                 xlog("L_INFO","New device id is
>> different:warn previous user another user overide him");
>>                                 $var(address) = $(ulc(existingContact=>
>> *received*)[0]);
>>                                 $var(ruri) =
>> $(var(address){s.substr,4,0});
>>                                 #Send a SIP Request signalling the
>> problem and its reason on the body
>>                                 $uac_req(method)="MESSAGE";
>>                                 $uac_req(ruri) = "sip:"+ $au + "@" +
>> $var(ruri);
>>                                 $uac_req(furi) = "sip:kamailio at sip_domain
>> ";
>>                                 $uac_req(turi) = $fu;
>>                                 $uac_req(hdrs)="Max-Forwards:
>> 70\r\nEvent: reg\r\nContent-Type:
>> text/plain\r\nAccept-Contact:*;+g.ext.app.registration\r\n";
>>                                 $uac_req(body)="Already registered with
>> another device id";
>>                                 uac_req_send();
>>                                 drop;
>>                                 }
>>                         }
>>
>>
>> Thank you.
>>
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
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