[OpenSIPS-Users] Possible mid-registrar bug

[Liviu Chircu]

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 at 192.168.76.224:33593;rinstance=a6bb1857f7e41f30;transport=UDP>/
> /To: <sip:2101 at 192.168.10.200 
> <mailto:sip%3A2101 at 192.168.10.200>;transport=UDP>/
> /From: <sip:2101 at 192.168.10.200 
> <mailto:sip%3A2101 at 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 at 192.168.10.200:5060;rinstance=a6bb1857f7e41f30;transport=UDP;rid=c2lwOjIxMDFAMTkyLjE2OC43Ni4yMjQ6MzM1OTM7cmluc3RhbmNlPWE2YmIxODU3ZjdlNDFmMzA7dHJhbnNwb3J0PVVEUA==>/
> /To: <sip:2101 at 192.168.10.200 
> <mailto:sip%3A2101 at 192.168.10.200>;transport=UDP>/
> /From: <sip:2101 at 192.168.10.200 
> <mailto:sip%3A2101 at 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 at 192.168.10.200:5060;rinstance=a6bb1857f7e41f30;transport=UDP;rid=c2lwOjIxMDFAMTkyLjE2OC43Ni4yMjQ6MzM1OTM7cmluc3RhbmNlPWE2YmIxODU3ZjdlNDFmMzA7dHJhbnNwb3J0PVVEUA==>/
> /To: <sip:2101 at 192.168.10.200 
> <mailto:sip%3A2101 at 192.168.10.200>;transport=UDP>/
> /From: <sip:2101 at 192.168.10.200 
> <mailto:sip%3A2101 at 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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