[SR-Users] IMC module
Giovanni Iamonte
iamonte at quintetto.it
Wed Oct 19 17:29:30 CEST 2022
Hello,
I managed to figure out the issue and maybe it will help other people.
Basically what i did is to avoid to challenge the kamailio request by
adding this line in route[AUTH]
#!ifdef WITH_IMC
#prevent digest authentication for messages sent by IMC via
outbound_proxy, where in our case the outbound_proxy is the same server
#modparam("imc", "outbound_proxy",
"sip:sip-test.quintetto.it:15006;transport=tcp")
#
if(is_method("MESSAGE") && $si == $Ri)
return;
#!endif
Just to be sure I would like to ask if this is an effective solution or
there is a more canonical way to solve the issue.
Many Thanks in advance.
Bye
------------------------------------------------------------------------
Ing. Giovanni Iamonte
Developments and technologies area
Quintetto Srl
Via Monte Navale, 1
10015 - Ivrea (TO)
mobile: +39 393 9196310
tel: +39 0165 1845290
e-mail: giovanni.iamonte at quintetto.it
web: www.quintetto.it
On 17/10/22 20:36, Giovanni Iamonte wrote:
>
> Thanks for you reply.
>
> Very basic configuration for the kamailio.cfg file, I have taken it
> from the repository and I have added what they suggested in the IMC
> module.
>
> No errors in the log file.
>
> I cannot change the release, anyway I will take in considerations you
> suggestion and try also with the next versions.
>
> Bye
>
> ------------------------------------------------------------------------
>
> Ing. Giovanni Iamonte
> Developments and technologies area
> Quintetto Srl
> Via Monte Navale, 1
> 10015 - Ivrea (TO)
> mobile: +39 393 9196310
> tel: +39 0165 1845290
> e-mail: giovanni.iamonte at quintetto.it
> web: www.quintetto.it
>
> On 17/10/22 17:25, Henning Westerholt wrote:
>>
>> Hello,
>>
>> my first suggestion would be to use a support release, e.g. 5.5.x or
>> 5.6.x. These releases contains also some improvements/bug fixes
>> related to the IMC module.
>>
>> Not an expert in the IMC module by myself, but it looks like a wrong
>> configuration or some mistake in the routing script if the SIP
>> message is not routed correctly. Maybe somebody else can comment on
>> that as well.
>>
>> Do you see any errors in the kamailio log files?
>>
>> Cheers,
>>
>> Henning
>>
>> *From:* sr-users <sr-users-bounces at lists.kamailio.org> *On Behalf Of
>> *Giovanni Iamonte
>> *Sent:* Monday, October 17, 2022 4:46 PM
>> *To:* sr-users at lists.kamailio.org
>> *Subject:* [SR-Users] IMC module
>>
>> HI,
>>
>> I am facing a problem related to the IMC module.
>>
>> I have installed kamailio 5.2.x and I tried to list the members of a
>> room-qsipchat.
>>
>> In my test environment the kamailio.cfg file it is very basic, the
>> kamailio server listen on
>> tcp=192.168.100.192:15006
>>
>> the client run on a PC with IP address 192.168.100.156
>>
>> the imc outbound_proxy is set
>> modparam("imc", "db_url", DBURL)
>> modparam("imc", "imc_cmd_start_char", "#")
>> modparam("imc", "outbound_proxy",
>> "sip:sip-test.quintetto.it:15006;transport=tcp")
>>
>> The client start by sending a #join message to kamailio and looking
>> the log file I can see that the room-qsipchat has been create, and
>> also I received the message 200 OK.
>>
>> By using the tcpdump I can see the join message from the Client to
>> kamailio server and the reply from kamailio to the client.
>>
>> When I send the #list message to the room-qsipchat , I expecting to
>> receive the message relate to room's members and the 200 OK message.
>>
>> When I tcp dumping I saw the following messages
>>
>>
>> ********************************************************************
>> Request from client to list the members - from client to server
>>
>> ********************************************************************
>>
>> TX 538 bytes Request msg MESSAGE/cseq=57652 (tdta0x77b26460a8) to TCP
>> 192.168.100.192:15006:
>> MESSAGE sip:room-qsipchat at sip-test.quintetto.it SIP/2.0
>> Via: SIP/2.0/TCP
>> 192.168.100.156:48129;rport;branch=z9hG4bKPjRzgOBgY6vfKZ8Fh8GA4CWheCO840Xzud;alias
>> Max-Forwards: 70
>> From: <sip:quintetto00 at sip-test.quintetto.it>
>> <mailto:sip:quintetto00 at sip-test.quintetto.it>;tag=1is.Ng6ZKJmCT1uAJ9WuJhe3hiQysj9f
>> To: <sip:room-qsipchat at sip-test.quintetto.it>
>> <mailto:sip:room-qsipchat at sip-test.quintetto.it>
>> Call-ID: GwOQMLFfIq7o7jvF4OQlJ-jBb2OBaAKY
>> CSeq: 57652 MESSAGE
>> Accept: text/plain, application/im-iscomposing+xml
>> Route: <sip:sip-test.quintetto.it:15006;transport=tcp;lr>
>> Content-Type: text/plain
>> Content-Length: 5
>>
>> #list
>>
>>
>>
>> ********************************************************************
>> The server ask for the authentication - from server to client
>>
>> ********************************************************************
>>
>> 2022-10-17 15:45:25.837 4700-10610/it.quintetto.qsipchat
>> D/pjlib(pjsua_1): RX 574 bytes Response msg 407/MESSAGE/cseq=57652
>> (rdata0x77b3337330) from TCP 192.168.100.192:15006:
>> SIP/2.0 407 Proxy Authentication Required
>> Via: SIP/2.0/TCP
>> 192.168.100.156:48129;rport=48129;branch=z9hG4bKPjRzgOBgY6vfKZ8Fh8GA4CWheCO840Xzud;alias;received=192.168.100.156
>> From: <sip:quintetto00 at sip-test.quintetto.it>
>> <mailto:sip:quintetto00 at sip-test.quintetto.it>;tag=1is.Ng6ZKJmCT1uAJ9WuJhe3hiQysj9f
>> To: <sip:room-qsipchat at sip-test.quintetto.it>
>> <mailto:sip:room-qsipchat at sip-test.quintetto.it>;tag=1e5fbdd4b14eff95c400342f4634da91.e417
>> Call-ID: GwOQMLFfIq7o7jvF4OQlJ-jBb2OBaAKY
>> CSeq: 57652 MESSAGE
>> Proxy-Authenticate: Digest realm="sip-test.quintetto.it",
>> nonce="Y01doWNNXHVEyRtiAyN28xJdMjNIG8Ju"
>> Server: kamailio (5.2.8 (x86_64/linux))
>> Content-Length: 0
>>
>>
>> *********************************************************************
>> The client send the authenticated request - from client to server
>>
>> ********************************************************************
>>
>> TX 755 bytes Request msg MESSAGE/cseq=57653 (tdta0x77b26460a8) to TCP
>> 192.168.100.192:15006:
>> MESSAGE sip:room-qsipchat at sip-test.quintetto.it SIP/2.0
>> Via: SIP/2.0/TCP
>> 192.168.100.156:48129;rport;branch=z9hG4bKPjj6uuy25r0kKlnICHKQWEaIweOex-sNyq;alias
>> Max-Forwards: 70
>> From: <sip:quintetto00 at sip-test.quintetto.it>
>> <mailto:sip:quintetto00 at sip-test.quintetto.it>;tag=1is.Ng6ZKJmCT1uAJ9WuJhe3hiQysj9f
>> To: <sip:room-qsipchat at sip-test.quintetto.it>
>> <mailto:sip:room-qsipchat at sip-test.quintetto.it>
>> Call-ID: GwOQMLFfIq7o7jvF4OQlJ-jBb2OBaAKY
>> CSeq: 57653 MESSAGE
>> Accept: text/plain, application/im-iscomposing+xml
>> Route: <sip:sip-test.quintetto.it:15006;transport=tcp;lr>
>> Proxy-Authorization: Digest username="quintetto00",
>> realm="sip-test.quintetto.it",
>> nonce="Y01doWNNXHVEyRtiAyN28xJdMjNIG8Ju",
>> uri="sip:room-qsipchat at sip-test.quintetto.it"
>> <mailto:sip:room-qsipchat at sip-test.quintetto.it>,
>> response="d495ec20cb1be8f1b605d4e5b1a4c357"
>> Content-Type: text/plain
>> Content-Length: 5
>>
>> #list
>>
>>
>> **************************************************************************
>> The server send the 200 OK message - from server to client
>>
>> ********************************************************************
>>
>> RX 447 bytes Response msg 200/MESSAGE/cseq=57653 (rdata0x77b3337330)
>> from TCP 192.168.100.192:15006:
>> SIP/2.0 200 ok
>> Via: SIP/2.0/TCP
>> 192.168.100.156:48129;rport=48129;branch=z9hG4bKPjj6uuy25r0kKlnICHKQWEaIweOex-sNyq;alias;received=192.168.100.156
>> From: <sip:quintetto00 at sip-test.quintetto.it>
>> <mailto:sip:quintetto00 at sip-test.quintetto.it>;tag=1is.Ng6ZKJmCT1uAJ9WuJhe3hiQysj9f
>> To: <sip:room-qsipchat at sip-test.quintetto.it>
>> <mailto:sip:room-qsipchat at sip-test.quintetto.it>;tag=1e5fbdd4b14eff95c400342f4634da91.365f
>> Call-ID: GwOQMLFfIq7o7jvF4OQlJ-jBb2OBaAKY
>> CSeq: 57653 MESSAGE
>> Server: kamailio (5.2.8 (x86_64/linux))
>> Content-Length: 0
>>
>>
>> *********************************************************************************
>> Till here everything is OK.
>>
>> But regarding the members when a TCP dumping I saw a message with the
>> room's members
>> that go from the kamailio server to the kamailio server
>>
>> *********************************************************************************
>>
>> MESSAGE sip:quintetto00 at sip-test.quintetto.it SIP/2.0
>> Via: SIP/2.0/TCP
>> 192.168.100.192:15006;branch=z9hG4bKf20a.be253b92000000000000000000000000.0
>> To: <sip:quintetto00 at sip-test.quintetto.it>
>> <mailto:sip:quintetto00 at sip-test.quintetto.it>
>> From: <sip:room-qsipchat at sip-test.quintetto.it>
>> <mailto:sip:room-qsipchat at sip-test.quintetto.it>;tag=03e4c67b0f95c0aeb1f633479b4aa5cd-72f2
>> CSeq: 10 MESSAGE
>> Call-ID: 37db44aa523ea24a-6567 at 192.168.100.192
>> Max-Forwards:.70
>> Content-Length: 47
>> User-Agent: kamailio (5.2.8 (x86_64/linux))
>> Content-Type: text/plain
>>
>> Members:
>> *sip:quintetto00 at sip-test.quintetto.it
>>
>>
>> **************************************************************************************
>> a reply from the kamailio server to the kamailio server, with an
>> authenticated request
>>
>> **************************************************************************************
>>
>> SIP/2.0.407.Proxy Authentication.Required
>> Via: SIP/2.0/TCP
>> 192.168.100.192:15006;branch=z9hG4bKf20a.be253b92000000000000000000000000.0
>> To: <sip:quintetto00 at sip-test.quintetto.it>
>> <mailto:sip:quintetto00 at sip-test.quintetto.it>;tag=1e5fbdd4b14eff95c400342f4634da91.cfc3
>> From: <sip:room-qsipchat at sip-test.quintetto.it>
>> <mailto:sip:room-qsipchat at sip-test.quintetto.it>;tag=03e4c67b0f95c0aeb1f633479b4aa5cd-72f2
>> CSeq: 10 MESSAGE
>> Call-ID: 37db44aa523ea24a-6567 at 192.168.100.192
>> Proxy-Authenticate: Digest realm="sip-test.quintetto.it",
>> nonce="Y01fQmNNXhbsHdM1THmENyJn1MH/VD/8"
>> Server: kamailio (5.2.8 (x86_64/linux))
>> Content-Length:.0
>>
>>
>>
>> **************************************************************************************
>> bottom of line the outbound_proxy request for an authenticated
>> request, but kamailio do not reply to this request.
>>
>> Could you please point me in the right direction?
>>
>> Thanks a lot for any help.
>>
>> Bye
>>
>> --
>>
>> ------------------------------------------------------------------------
>>
>> Ing. Giovanni Iamonte
>> Developments and technologies area
>> Quintetto Srl
>> Via Monte Navale, 1
>> 10015 - Ivrea (TO)
>> (mobile: +39 393 9196310
>> (tel: +39 0165 1845290
>> +e-mail: giovanni.iamonte at quintetto.it
>> [web: www.quintetto.it <http://www.quintetto.it>
>>
>
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