Hello Luca,
You are right. Ethereal's SIP parser is not perfect here.
ethereal doesn't recognize your invite as a SIP Message, because there
are three space characters between the URI and the Version string in the
request line. The solution is to improve ethereal's sip parser so that
it treats multiple space characters as a single one.
Unfortunately I have no time to work on this right now, but others might
have.
Regards,
Lars
Bianchi Luca wrote:
Hello,
I'm using ethereal 0.10.7 for monitoring SIP calls. I found a problem in
decoding an INVITE message, in the attachement you can find the
"invite_ko.cap" and the corresponding "invite_ok.txt", I mean the same
packet decoded correctly with another analyzer.
I hope this could be helpful for improving SIP decoding.
Best Regards,
Luca Bianchi
Luca Bianchi
Telecom Italia LAB LAB.TS.S
Via Reiss Romoli, 274 - 10148 Turin (Italy)
Tel.: +39.011.2287336
Fax.: +39.011.2286813
Mob.: +39 335 1326587
E-mail: luca1.bianchi@xxxxxxxxxxxxxxxx
_http://www.telecomitalialab.com_ <http://www.telecomitalialab.com/>
Gruppo Telecom Italia - Direzione e coordinamento di Telecom Italia S.p.A.
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====================================================================
------------------------------------------------------------------------
11:04:29/757.4 1- D4 +D4 DATA UNIT----------------------------------[00608]+
| Protocol: UDP from IP |
| S:163.162.180.150 D:163.162.51.230 |
+-----------------------------------------------------+
D4 UDP (S:05062 D:05060) Len:00574 Chk:3a79 [0566]
D5 SIP [0566]
INVITE sip:__sip-uireq@xxxxxxxxxxxxxx;user=243883 SIP/2.0
Route: <sip:163.162.51.230:5060>
CSeq: 2025723182 INVITE
i: [email protected]
t: <sip:__sip-uireq@xxxxxxxxxxxxxx>
f: <sip:55555@xxxxxx>;tag=10993897120413
l: 0
m: <sip:163.162.180.151:5060>
Max-Forwards: 69
Record-Route: <sip:[email protected];lr>
v: SIP/2.0/UDP 163.162.180.150:5060 ;branch=z9hG4bK.sSsS.a3a2b4a0.3fe1febd9bd
4c828068a210fa25380.465, SIP/2.0/UDP 163.162.180.151:5060 ;branch=z9hG4bK.sSs
S.a3a2b4a1.da910d74d113e1ed53b6766a431f1f0.330
------------------------------------------------------------------------
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