[Kamailio-Users] Multipart SDP problem...

[Edson - Lists]

Just updating:

1) the "bondary" string used by Cisco is defined on the line:
     Content-Type: multipart/mixed;boundary=uniqueBoundary
  Somehow it should be extracted and used by filter_body in
  place of the hardcoded string used today.

2) the ERROR message gived by NAThelper is produced on file
  nhelpr_func.c, function check_content_type (line 68-150).
  That's where I stopped...

Edson.

Edson - Lists escreveu:
> Hi, Juha...
>
> Juha Heinanen escreveu:
>> Edson - Lists writes:
>>
>>  > I implemented the suggested logic on the ONREPLY_ROUTE. It is  > 
>> recognizing the multi part SDP, but when "filter_body" is called, it 
>>  > returns the following ERROR on the log:
>>  >  > ERROR:textops:filter_body_f: Boundary not found after content
>>
>> i don't remember what the function assumes about boundaries and empty
>> lines.  check that there is crlf after each line in the sdp.  i can read
>> the code in the evening when i'm back at my pc.
>
> Just checked and all SDP lines are ended by "0x0d,0x0a". So I went to 
> the code and founded in textops.c that filter_body is looking for the 
> string "--Boundary" while Cisco GW uses "--uniqueBondary" as boundary 
> identifier (see the printed $rb on the logs below).
>
> So I twiked the code to also look for the string "--uniqueBondary", 
> recompile and this ERROR message is gone... Now I got new ones from 
> NATHelper (see the last lines below) ... Will look the code, but sure 
> if I could do a thing...
>
> Edson
> ==============================================================
> Jun 12 16:07:53 Kamailio-151 /sbin/kamailio[18639]: ON-REPLY[1] 
> incoming reply <183> for <INVITE> <8999>/<902121035550>
> Jun 12 16:07:53 Kamailio-151 /sbin/kamailio[18639]: Multipart SDP 
> encontrado
> Jun 12 16:07:53 Kamailio-151 /sbin/kamailio[18639]: --uniqueBoundary 
> Content-Type: application/sdp    v=0  o=CiscoSystemsSIP-GW-UserAgent 
> 6889 1029 IN IP4 200.139.77.10  s=SIP Call  c=IN IP4 200.139.77.10  
> t=0 0  m=audio 16964 RTP/AVP 0  c=IN IP4 200.139.77.10  a=rtpmap:0 
> PCMU/8000  --uniqueBoundary  Content-Type: application/gtd  
> Content-Disposition: signal;handling=optional    CPG,  
> PRN,isdn*,,QSIG*,    --uniqueBoundary--
> Jun 12 16:07:53 Kamailio-151 /sbin/kamailio[18639]: executando 
> 'force_rtp_proxy'
> Jun 12 16:07:53 Kamailio-151 /sbin/kamailio[18639]: 
> ERROR:nathelper:check_content_type: invalid type for a message
> Jun 12 16:07:53 Kamailio-151 /sbin/kamailio[18639]: 
> ERROR:nathelper:extract_body: content type mismatching
> Jun 12 16:07:53 Kamailio-151 /sbin/kamailio[18639]: 
> ERROR:nathelper:force_rtp_proxy: can't extract body from the message
>