[Users] Problem with BYE method getting a 404 not found response

Klaus Darilion klaus.mailinglists at pernau.at
Fri Nov 10 12:13:27 CET 2006 

This is again the same bug in your client. The correct behaviour is 
specified in RFC 3261. See the sections about loose routing and about 
constructing in-dialog requests.

regards
klaus


Russ Daigle wrote:
> I can reproduce this easily.  Do you see anything wrong with the below 
> packet traces?
> 
> Here is the sequence:
> 
> Bob  ----- UDP Invite ----->  OpenSER   ---------- UDP Invite ------>  
> Alice
> 
> Alice responds back with 180 ringing, then 200 Ok.
> 
> Upon getting the 200 OK, Bob sends an ACK (to complete the INVITE), 
> followed by an Immediate BYE.
> 
> THE TROUBLE IS......  the ACK that Bob sends is dropped (never forwarded 
> to Alice) and the BYE that Bob sends is responded by OpenSER with a 404 
> not found, and never forwarded onto Alice!!!!   I see nothing wrong with 
> the messages.   WHat is happening?
> 
> Below is the message exchanges.  Followed by "openserctl ul show" to 
> show Alice is still registered.
> 
> 01:18:19.801230 IP 10.10.2.6.5080 > 10.10.1.234.sip: UDP, length 597
> INVITE sip:alice at siptest2.com:5060 SIP/2.0
> Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
> From: Bob <sip:bob at siptest2.com>;tag=fromhackblah
> To: Alice <sip:alice at siptest2.com:5060>
> CSeq: 1 INVITE
> Call-ID: 
> TUNQQQNWAYJDYCXGYAIWQEMRGOLILIBMMJMLNTFVLIBIBUORMDALF at musecurity.com
> Contact: <sip:bob at 10.10.2.6:5080>;transport=UDP
> Max-Forwards: 70
> Content-Type: application/sdp
> Content-Length: 195
> 
> v=0
> o=- 817933771 817933775 IN IP4 10.10.2.6
> s=darkness
> c=IN IP4 10.10.2.6
> t=0 0
> m=audio 5000 RTP/AVP 0 4 97
> a=rtpmap:0 PCMU/8000
> a=rtpmap:4 G723/8000/1
> a=rtpmap:97 telephone-event/8000
> 
> 
> 
> 01:18:19.802801 IP 10.10.1.234.sip > 10.10.2.6.5080: UDP, length 539
> SIP/2.0 100 trying -- your call is important to us
> Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
> From: Bob <sip:bob at siptest2.com>;tag=fromhackblah
> To: Alice <sip:alice at siptest2.com:5060>
> CSeq: 1 INVITE
> Call-ID: 
> TUNQQQNWAYJDYCXGYAIWQEMRGOLILIBMMJMLNTFVLIBIBUORMDALF at musecurity.com
> Server: OpenSer (1.1.0-notls (i386/darwin))
> Content-Length: 0
> Warning: 392 10.10.1.234:5060 "Noisy feedback tells:  pid=11955 
> req_src_ip=10.10.2.6 req_src_port=5080 
> in_uri=sip:alice at siptest2.com:5060 out_uri=sip:alice at 10.10.2.6:5070 
> via_cnt==1"
> 
> 
> 01:18:19.802885 IP 10.10.1.234.sip > 10.10.2.6.5070: UDP, length 734
> INVITE sip:alice at 10.10.2.6:5070 SIP/2.0
> Record-Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
> Via: SIP/2.0/UDP 10.10.1.234;branch=z9hG4bKcbde.5492991.0
> Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
> From: Bob <sip:bob at siptest2.com>;tag=fromhackblah
> To: Alice <sip:alice at siptest2.com:5060>
> CSeq: 1 INVITE
> Call-ID: 
> TUNQQQNWAYJDYCXGYAIWQEMRGOLILIBMMJMLNTFVLIBIBUORMDALF at musecurity.com
> Contact: <sip:bob at 10.10.2.6:5080>;transport=UDP
> Max-Forwards: 69
> Content-Type: application/sdp
> Content-Length: 195
> P-hint: usrloc applied
> 
> v=0
> o=- 817933771 817933775 IN IP4 10.10.2.6
> s=darkness
> c=IN IP4 10.10.2.6
> t=0 0
> m=audio 5000 RTP/AVP 0 4 97
> a=rtpmap:0 PCMU/8000
> a=rtpmap:4 G723/8000/1
> a=rtpmap:97 telephone-event/8000
> 
> 
> 01:18:19.891076 IP 10.10.2.6.5070 > 10.10.1.234.sip: UDP, length 362
> SIP/2.0 100 Trying
> Via: SIP/2.0/UDP 10.10.1.234;branch=z9hG4bKcbde.5492991.0
> Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
> To: Alice <sip:alice at siptest2.com:5060>
> From: Bob <sip:bob at siptest2.com>;tag=fromhackblah
> Call-ID: 
> TUNQQQNWAYJDYCXGYAIWQEMRGOLILIBMMJMLNTFVLIBIBUORMDALF at musecurity.com
> CSeq: 1 INVITE
> Server: mjsip stack 1.6
> Content-Length: 0
> 
> 
> 
> 01:18:19.957284 IP 10.10.2.6.5070 > 10.10.1.234.sip: UDP, length 420
> SIP/2.0 180 Ringing
> Via: SIP/2.0/UDP 10.10.1.234;branch=z9hG4bKcbde.5492991.0
> Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
> Record-Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
> To: Alice <sip:alice at siptest2.com:5060>
> From: Bob <sip:bob at siptest2.com>;tag=fromhackblah
> Call-ID: 
> TUNQQQNWAYJDYCXGYAIWQEMRGOLILIBMMJMLNTFVLIBIBUORMDALF at musecurity.com
> CSeq: 1 INVITE
> Server: mjsip stack 1.6
> Content-Length: 0
> 
> 
> 01:18:19.957363 IP 10.10.2.6.5070 > 10.10.1.234.sip: UDP, length 643
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 10.10.1.234;branch=z9hG4bKcbde.5492991.0
> Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
> Record-Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
> To: Alice <sip:alice at siptest2.com:5060>;tag=d418a42d9b1c6819
> From: Bob <sip:bob at siptest2.com>;tag=fromhackblah
> Call-ID: 
> TUNQQQNWAYJDYCXGYAIWQEMRGOLILIBMMJMLNTFVLIBIBUORMDALF at musecurity.com
> CSeq: 1 INVITE
> Contact: <sip:alice at 192.168.0.3:5070>
> Server: mjsip stack 1.6
> Content-Length: 135
> Content-Type: application/sdp
> 
> v=0
> o=- 817933771 817933775 IN IP4 10.10.2.6
> s=darkness
> c=IN IP4 192.168.0.3
> t=0 0
> m=audio 21000 RTP/AVP 0
> a=rtpmap:0 PCMU/8000
> 
> 
> 01:18:19.957995 IP 10.10.1.234.sip > 10.10.2.6.5080: UDP, length 584
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
> Record-Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
> To: Alice <sip:alice at siptest2.com:5060>;tag=d418a42d9b1c6819
> From: Bob <sip:bob at siptest2.com>;tag=fromhackblah
> Call-ID: 
> TUNQQQNWAYJDYCXGYAIWQEMRGOLILIBMMJMLNTFVLIBIBUORMDALF at musecurity.com
> CSeq: 1 INVITE
> Contact: <sip:alice at 192.168.0.3:5070>
> Server: mjsip stack 1.6
> Content-Length: 135
> Content-Type: application/sdp
> 
> v=0
> o=- 817933771 817933775 IN IP4 10.10.2.6
> s=darkness
> c=IN IP4 192.168.0.3
> t=0 0
> m=audio 21000 RTP/AVP 0
> a=rtpmap:0 PCMU/8000
> 
> 01:18:20.047797 IP 10.10.2.6.5080 > 10.10.1.234.sip: UDP, length 365
> ACK sip:alice at siptest2.com:5060 SIP/2.0
> Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
> Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK0
> From: Bob <sip:bob at siptest2.com>;tag=fromhackblah
> To: Alice <sip:alice at siptest2.com:5060>;tag=d418a42d9b1c6819
> CSeq: 1 ACK
> Call-ID: 
> TUNQQQNWAYJDYCXGYAIWQEMRGOLILIBMMJMLNTFVLIBIBUORMDALF at musecurity.com
> Max-Forwards: 70
> 
> 
> 01:18:20.047803 IP 10.10.2.6.5080 > 10.10.1.234.sip: UDP, length 370
> BYE sip:alice at siptest2.com:5060 SIP/2.0
> Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
> Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK767774
> From: Bob <sip:bob at siptest2.com>;tag=fromhackblah
> To: Alice <sip:alice at siptest2.com:5060>;tag=d418a42d9b1c6819
> CSeq: 2 BYE
> Call-ID: 
> TUNQQQNWAYJDYCXGYAIWQEMRGOLILIBMMJMLNTFVLIBIBUORMDALF at musecurity.com
> Max-Forwards: 70
> 
> 01:18:20.049706 IP 10.10.1.234.sip > 10.10.2.6.5080: UDP, length 561
> SIP/2.0 404 Not Found
> Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK767774
> From: Bob <sip:bob at siptest2.com>;tag=fromhackblah
> To: Alice <sip:alice at siptest2.com:5060>;tag=d418a42d9b1c6819
> CSeq: 2 BYE
> Call-ID: 
> TUNQQQNWAYJDYCXGYAIWQEMRGOLILIBMMJMLNTFVLIBIBUORMDALF at musecurity.com
> Server: OpenSer (1.1.0-notls (i386/darwin))
> Content-Length: 0
> Warning: 392 10.10.1.234:5060 "Noisy feedback tells:  pid=11955 
> req_src_ip=10.10.1.234 req_src_port=5060 
> in_uri=sip:10.10.1.234;lr=on;ftag=fromhackblah 
> out_uri=sip:10.10.1.234;lr=on;ftag=fromhackblah via_cnt==2"
> 
> 
> 
> 01:18:20.421033 IP 10.10.2.6.5070 > 10.10.1.234.sip: UDP, length 643
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 10.10.1.234;branch=z9hG4bKcbde.5492991.0
> Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
> Record-Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
> To: Alice <sip:alice at siptest2.com:5060>;tag=d418a42d9b1c6819
> From: Bob <sip:bob at siptest2.com>;tag=fromhackblah
> Call-ID: 
> TUNQQQNWAYJDYCXGYAIWQEMRGOLILIBMMJMLNTFVLIBIBUORMDALF at musecurity.com
> CSeq: 1 INVITE
> Contact: <sip:alice at 192.168.0.3:5070>
> Server: mjsip stack 1.6
> Content-Length: 135
> Content-Type: application/sdp
> 
> v=0
> o=- 817933771 817933775 IN IP4 10.10.2.6
> s=darkness
> c=IN IP4 192.168.0.3
> t=0 0
> m=audio 21000 RTP/AVP 0
> a=rtpmap:0 PCMU/8000
> 
> 
> 'alice'
> sip:~ russdaigle$ sudo openserctl ul show
> WARINIG: no database engine found - tried ''
> Dumping all contacts may take long: are you sure you want to proceed? 
> [Y|N] y
> ===Domain list===
> ---Domain---
> name : 'aliases'
> size : 512
> table: 0x2191b90
> d_ll {
>     n    : 0
>     first: 0x0
>     last : 0x0
> }
> ---/Domain---
> ---Domain---
> name : 'location'
> size : 512
> table: 0x218fa08
> d_ll {
>     n    : 1
>     first: 0x2193c90
>     last : 0x2193c90
> }
> 
> ...Record(0x2193c90)...
> domain: 'location'
> aor   : 'alice'
> ~~~Contact(0x2193cd0)~~~
> domain    : 'location'
> aor       : 'alice'
> Contact   : 'sip:alice at 10.10.2.6:5070'
> Expires   : 794
> q         :
> Call-ID   : 
> 'XQQZRLTJDMQZUMPKAJZBQEVGSPRAFOXTCGRQQCSIWPKMJLTGHFC at musecurity.com'
> CSeq      : 1
> User-Agent: 'n/a'
> received  : ''
> Path      : ''
> State     : CS_NEW
> Flags     : 0
> Sock      : 10.10.1.234:5060 (0xfa6e8)
> Methods   : 4294967295
> next      : 0x0
> prev      : 0x0
> ~~~/Contact~~~~
> .../Record...
> 
> ---/Domain---
> ===/Domain list===
> 
> 
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-- 
Klaus Darilion
nic.at

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