[OpenSIPS-Users] siptrace picks incorrect source socket

[Bogdan-Andrei Iancu]

Hi Jeff,

Thank you for detailed report. I was able to reproduce and fix it. 
Please see:
https://github.com/OpenSIPS/opensips/commit/b30af734cdb84991e1f906e3920a94e87c33ea04

If you confirm the fix, I will do the backporting to 2.2 too.

Thanks and Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 02/04/2017 04:41 AM, Jeff Pyle wrote:
> Hello,
>
> I recently enabled siptrace on an OpenSIPS 2.2.2 system acting as a 
> registrar and a proxy.  It has one IPv4 address with several ports for 
> UDP, TCP and TLS.  In a case where the INVITE is relayed from TLS to 
> UDP, the replies to the UAC are incorrectly being reported as coming 
> from the UDP socket.
>
> In the below scenario the UAC is at 64.65.66.67, and its ephemeral TCP 
> client port for this call is 61235.  The OpenSIPS proxy is at 
> 131.132.133.134 listening on UDP 5060 and TLS 5061.  Also on 
> 131.132.133.134 there is a Freeswitch media server listening on UDP 
> 5080.  The UAC sends an INVITE to the proxy over TLS which routes it 
> to the media server over UDP. The replies relayed to the UAC are 
> reported as having come from port 5060 over UDP when in reality they 
> have come from port 5061 over TCP (TLS).
>
> My config:
>
>     listen=udp:131.132.133.134:5060 <http://131.132.133.134:5060>
>     listen=tls:131.132.133.134:5061 <http://131.132.133.134:5061>
>     listen=hep_udp:127.0.0.1:9030 <http://127.0.0.1:9030>
>
>     loadmodule "siptrace.so"
>     modparam("siptrace", "trace_on", 1)
>     modparam("siptrace", "trace_id",
>     "[hep]uri=hep:127.0.0.1:9060;transport=udp;")
>
>
>
> Debugs:
>
>
>     INVITE in from UAC over TLS
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24673]:
>     DBG:siptrace:pipport2su: proto 22, host 64.65.66.67 , port 61235
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24673]:
>     DBG:siptrace:pipport2su: proto 22, host 131.132.133.134 , port 5061
>
>     INVITE out to media server over UDP
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24673]:
>     DBG:siptrace:pipport2su: proto 17, host 131.132.133.134 , port 5060
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24673]:
>     DBG:siptrace:pipport2su: proto 17, host 131.132.133.134 , port 5080
>
>     100 Trying in from media server over UDP
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24650]:
>     DBG:siptrace:pipport2su: proto 17, host 131.132.133.134 , port 5080
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24650]:
>     DBG:siptrace:pipport2su: proto 17, host 131.132.133.134 , port 5060
>
>     180 Ringing in from media server over UDP
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24651]:
>     DBG:siptrace:pipport2su: proto 17, host 131.132.133.134 , port 5080
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24651]:
>     DBG:siptrace:pipport2su: proto 17, host 131.132.133.134 , port 5060
>
>     180 Ringing out to UAC over TLS (even though it reports UDP)
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24651]:
>     DBG:siptrace:pipport2su: proto 17, host 131.132.133.134 , port 5060
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24651]:
>     DBG:siptrace:pipport2su: proto 22, host 64.65.66.67 , port 61235
>
>     200 OK in from media server over UDP
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24651]:
>     DBG:siptrace:pipport2su: proto 17, host 131.132.133.134 , port 5080
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24651]:
>     DBG:siptrace:pipport2su: proto 17, host 131.132.133.134 , port 5060
>
>     200 OK out to UAC over TLS (even though it reports udp)
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24651]:
>     DBG:siptrace:pipport2su: proto 17, host 131.132.133.134 , port 5060
>     Feb  3 21:20:22 testproxy /usr/sbin/opensips[24651]:
>     DBG:siptrace:pipport2su: proto 22, host 64.65.66.67 , port 61235
>
>     ACK in from UAC over TLS
>     Feb  3 21:20:23 testproxy /usr/sbin/opensips[24673]:
>     DBG:siptrace:pipport2su: proto 22, host 64.65.66.67 , port 61235
>     Feb  3 21:20:23 testproxy /usr/sbin/opensips[24673]:
>     DBG:siptrace:pipport2su: proto 22, host 131.132.133.134 , port 5061
>
>     ACK out to media server over UDP
>     Feb  3 21:20:23 testproxy /usr/sbin/opensips[24673]:
>     DBG:siptrace:pipport2su: proto 17, host 131.132.133.134 , port 5060
>     Feb  3 21:20:23 testproxy /usr/sbin/opensips[24673]:
>     DBG:siptrace:pipport2su: proto 17, host 131.132.133.134 , port 5080
>
>
> Everything routes properly, but it isn't reported by siptrace 
> properly.  Is this a bug or am I doing something wrong?
>
>
>
> - Jeff
>
>
>
>
>
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