Re: [OpenSIPS-Users] Possible mid-registrar bug

Thu, 30 Mar 2017 03:32:52 -0700 

Hi, Kirill!

Thank you for the excellent report! A fix will be available asap!

Best regards,

Liviu Chircu
OpenSIPS Developer
http://www.opensips-solutions.com

OpenSIPS Summit May 2017 Amsterdam
  http://www.opensips.org/events/Summit-2017Amsterdam.html

On 30.03.2017 10:20, Kirill Galinurov wrote:

Hi all. We try test new mid-registar feature in opensips 2.3

loadmodule "mid_registrar.so"
modparam("mid_registrar", "mode", 1) /* 0 = mirror / 1 = ct / 2 = AoR */
modparam("mid_registrar", "outgoing_expires", 3600)
modparam("mid_registrar", "insertion_mode", 0) /* 0 = contact; 1 = path */
modparam("mid_registrar", "max_contacts", 1)
modparam("mid_registrar", "retry_after", 30)
modparam("mid_registrar", "contact_match_param", "rid")

if (is_method("REGISTER")) {
        mid_registrar_save("location");
        switch ($retcode) {
        case 1:
xlog("L_INFO", "forwarding REGISTER to main registrar...\n"); $ru = "sip:192.168.77.49:5060 <http://192.168.77.49:5060>"; 
                if (!t_relay()) {
                        send_reply("500", "Server Internal Error 1");
                }

                break;
        case 2:
                 xlog("L_INFO", "REGISTER has been absorbed!\n");
                break;
        default:
                xlog("L_ERR", "mid-registrar error!\n");
                send_reply("500", "Server Internal Error 2");
        }

  exit;
}

if (is_method("INVITE") and $si == "192.168.77.49" and $sp == 5060) {
                if (!mid_registrar_lookup("location")) {
                        t_reply("404", "Not Found");
                        exit;
                }

                if (!t_relay())
                        send_reply("500", "Server Internal Error 3");

            exit;
        }
When we use rid parameter we have a error in Asterisk.

Initial Register from Client to Opensips

/REGISTER sip:192.168.10.200;transport=UDP SIP/2.0/
/Via: SIP/2.0/UDP 192.168.76.224:33593;branch=z9hG4bK-524287-1---52af00d0e9d590fd/ 
/Max-Forwards: 70/
/Contact: <sip:2101@192.168.76.224:33593;rinstance=a6bb1857f7e41f30;transport=UDP>/ /To: <sip:2101@192.168.10.200 <mailto:sip%3A2101@192.168.10.200>;transport=UDP>/ /From: <sip:2101@192.168.10.200 <mailto:sip%3A2101@192.168.10.200>;transport=UDP>;tag=66282f00/ 
/Call-ID: zHst9ROVeEmKYQVPUwDz8w../
/CSeq: 6 REGISTER/
/Expires: 3600/
/User-Agent: Z 3.15.40006 rv2.8.20/
/Authorization: Digest username="2101",realm="asterisk",nonce="1490856865/be28c84459a2237855ebfa2521ba0bb8",uri="sip:192.168.10.200;transport=UDP",response="753e7a589c04180fa63aecc08bb4b40a",cnonce="91b8e43b5c5c0bc2e45ec37f8ddf53d9",nc=00000003,qop=auth,algorithm=md5,opaque="488632b65bf44460"/ 
/Allow-Events: presence, kpml, talk/
/Content-Length: 0/

From Opensips to Asterisk

/REGISTER sip:192.168.77.49:5060 <http://192.168.77.49:5060> SIP/2.0/
/Via: SIP/2.0/UDP 192.168.10.200:5060;branch=z9hG4bK8fa9.40aab787.0/
/Via: SIP/2.0/UDP 192.168.76.224:33593;branch=z9hG4bK-524287-1---52af00d0e9d590fd/ 
/Max-Forwards: 69/
/Contact: <sip:2101@192.168.10.200:5060;rinstance=a6bb1857f7e41f30;transport=UDP;rid=c2lwOjIxMDFAMTkyLjE2OC43Ni4yMjQ6MzM1OTM7cmluc3RhbmNlPWE2YmIxODU3ZjdlNDFmMzA7dHJhbnNwb3J0PVVEUA==>/ /To: <sip:2101@192.168.10.200 <mailto:sip%3A2101@192.168.10.200>;transport=UDP>/ /From: <sip:2101@192.168.10.200 <mailto:sip%3A2101@192.168.10.200>;transport=UDP>;tag=66282f00/ 
/Call-ID: zHst9ROVeEmKYQVPUwDz8w../
/CSeq: 6 REGISTER/
/Expires: 3600/
/User-Agent: Z 3.15.40006 rv2.8.20/
/Authorization: Digest username="2101",realm="asterisk",nonce="1490856865/be28c84459a2237855ebfa2521ba0bb8",uri="sip:192.168.10.200;transport=UDP",response="753e7a589c04180fa63aecc08bb4b40a",cnonce="91b8e43b5c5c0bc2e45ec37f8ddf53d9",nc=00000003,qop=auth,algorithm=md5,opaque="488632b65bf44460"/ 
/Allow-Events: presence, kpml, talk/
/Content-Length: 0/

Asterisk console log:
/[2017-03-30 10:01:31] ERROR[20693]: pjproject:0 <?>: sip_transport. Error processing 658 bytes packet from UDP 192.168.10.200:5060 <http://192.168.10.200:5060> : PJSIP syntax error exception when parsing '' header on line 5 col 180:/ 
/REGISTER sip:192.168.77.49:5060 <http://192.168.77.49:5060> SIP/2.0/
/Via: SIP/2.0/UDP 192.168.10.200:5060;branch=z9hG4bK4e1d.2e61df17.0/
/Via: SIP/2.0/UDP 192.168.76.224:33593;branch=z9hG4bK-524287-1---51b24eac9ec64d78/ 
/Max-Forwards: 69/
/Contact: <sip:2101@192.168.10.200:5060;rinstance=a6bb1857f7e41f30;transport=UDP;rid=c2lwOjIxMDFAMTkyLjE2OC43Ni4yMjQ6MzM1OTM7cmluc3RhbmNlPWE2YmIxODU3ZjdlNDFmMzA7dHJhbnNwb3J0PVVEUA==>/ /To: <sip:2101@192.168.10.200 <mailto:sip%3A2101@192.168.10.200>;transport=UDP>/ /From: <sip:2101@192.168.10.200 <mailto:sip%3A2101@192.168.10.200>;transport=UDP>;tag=66282f00/ 
/Call-ID: zHst9ROVeEmKYQVPUwDz8w../
/CSeq: 15 REGISTER/
/Expires: 3600/
/User-Agent: Z 3.15.40006 rv2.8.20/
/Allow-Events: presence, kpml, talk/
/Content-Length: 0/
So the problem in rid parameter Contact field rid=c2lwOjIxMDFAMTkyLjE2OC43Ni4yMjQ6MzM1OTM7cmluc3RhbmNlPWE2YmIxODU3ZjdlNDFmMzA7dHJhbnNwb3J0PVVEUA==> 
in ==> symbols.



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