[SR-Users] Problems with Mar portion of registration

mrichardson matt.richardson at interoptechnologies.com
Mon Mar 18 15:30:22 CET 2013


Date: Fri, 15 Mar 2013 08:44:13 +0100
From: Daniel-Constantin Mierla <miconda at gmail.com>
Subject: Re: [SR-Users] Problems with Mar portion of registration
         [IMS]
To: "Kamailio (SER) - Users Mailing List"
<sr-users at lists.sip-router.org>
Message-ID: <5142D14D.7080808 at gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Hello,

I haven't played with IMS modules, but you said is causing scscf to die
-- is that a kamailio instance? What means 'to die' -- does it crash? If
yes, can you get the syslog messages and the gdb backtrace?

Cheers,
Daniel


============================================
*Response:*
============================================
It appears any way we force the scscf to process a mar causes a crash.


Core was generated by `/usr/sbin/kamailio -P /var/run/kamailio.pid -m 64 
-M 4 -u kamailio -g kamailio'.
Program terminated with signal 11, Segmentation fault.
#0  async_cdp_callback (is_timeout=<value optimized out>, 
param=0x7f641b158e70, maa=0x7f641b159040,
     elapsed_msecs=<value optimized out>) at cxdx_mar.c:414
414      start_reg_await_timer(avlist[0]); //start the timer to remove 
stale or unused Auth Vectors
Missing separate debuginfos, use: debuginfo-install 
glibc-2.12-1.107.el6.x86_64 libxml2-2.7.6-8.el6_3.4.x86_64 
nss-pam-ldapd-0.7.5-18.el6.x86_64 pcre-7.8-6.el6.x86_64 
zlib-1.2.3-29.el6.x86_64
(gdb)



syslog:
  7(2211) DEBUG: tm [t_lookup.c:1657]: DEBUG: t_lookup_ident: 
transaction found
  7(2211) INFO: ims_auth [cxdx_avp.c:139]: 
cxdx_get_experimental_result_code: Failed finding avp
  7(2211) INFO: ims_auth [cxdx_avp.c:139]: 
cxdx_get_sip_number_auth_items: Failed finding avp
  7(2211) DEBUG: <core> [msg_translator.c:206]: 
check_via_address(10.12.92.191, 10.12.92.191, 0)
  7(2211) DEBUG: <core> [mem/shm_mem.c:111]: WARNING:vqm_resize: 
resize(0) called
  7(2211) DEBUG: tm [t_reply.c:1547]: DEBUG: cleanup_uac_timers: RETR/FR 
timers reset
  7(2211) DEBUG: tm [t_reply.c:706]: DEBUG: reply sent out. 
buf=0x7f64e586b950: SIP/2.0 403 Forbidde..., shmem=0x7f64de66c1b0: 
SIP/2.0 403 Forbidde
  7(2211) DEBUG: tm [t_reply.c:716]: DEBUG: _reply_light: finished
  0(2204) DEBUG: <core> [parser/msg_parser.c:623]: SIP Request:
  0(2204) DEBUG: <core> [parser/msg_parser.c:625]: method:  <REGISTER>
  0(2204) DEBUG: <core> [parser/msg_parser.c:627]: uri:     
<sip:scscf.somecompany.com:6060>
  0(2204) DEBUG: <core> [parser/msg_parser.c:629]: version: <SIP/2.0>
  0(2204) DEBUG: <core> [parser/msg_parser.c:170]: get_hdr_field: cseq 
<CSeq>: <5> <REGISTER>
  0(2204) DEBUG: <core> [parser/parse_to.c:799]: end of header reached, 
state=10
  0(2204) DEBUG: <core> [parser/msg_parser.c:190]: DEBUG: get_hdr_field: 
<To> [34]; uri=[sip:bob at somecompany.com]
  0(2204) DEBUG: <core> [parser/msg_parser.c:192]: DEBUG: to body ["bob" 
<sip:bob at somecompany.com>
]
  0(2204) DEBUG: <core> [parser/parse_via.c:1284]: Found param type 232, 
<branch> = <z9hG4bK1bd1.929b9c33.1>; state=16
  0(2204) DEBUG: <core> [parser/parse_via.c:2672]: end of header 
reached, state=5
  0(2204) DEBUG: <core> [parser/msg_parser.c:513]: parse_headers: Via 
found, flags=2
  0(2204) DEBUG: <core> [parser/msg_parser.c:515]: parse_headers: this 
is the first via
  0(2204) DEBUG: <core> [receive.c:149]: After parse_msg...
  0(2204) DEBUG: <core> [receive.c:190]: preparing to run routing scripts...
  0(2204) DEBUG: maxfwd [mf_funcs.c:85]: value = 15
  0(2204) DEBUG: <core> [parser/parse_via.c:1284]: Found param type 232, 
<branch> = <z9hG4bK1bd1.a11580a2575452ad784ca00f869952fb.0>; state=16
  0(2204) DEBUG: <core> [parser/parse_via.c:2672]: end of header 
reached, state=5
  0(2204) DEBUG: <core> [parser/msg_parser.c:513]: parse_headers: Via 
found, flags=1000
  0(2204) DEBUG: <core> [parser/msg_parser.c:526]: parse_headers: this 
is the second via
  0(2204) DEBUG: <core> [parser/parse_via.c:1284]: Found param type 232, 
<branch> = <z9hG4bK-333530-035cb8a7773aa017e8e89aa8db3c4f01>; state=16
  0(2204) DEBUG: <core> [parser/parse_via.c:2672]: end of header 
reached, state=5
  0(2204) DEBUG: <core> [parser/msg_parser.c:513]: parse_headers: Via 
found, flags=1000
  0(2204) DEBUG: <core> [parser/msg_parser.c:204]: DEBUG: get_hdr_body : 
content_length=0
  0(2204) DEBUG: <core> [parser/msg_parser.c:106]: found end of header
  0(2204) DEBUG: <core> [parser/parse_to.c:176]: DEBUG: add_param: 
tag=1f9be4d3
  0(2204) DEBUG: <core> [parser/parse_to.c:799]: end of header reached, 
state=29
  0(2204) DEBUG: sanity [mod_sanity.c:255]: sanity checks result: 1
  0(2204) DEBUG: siputils [checks.c:103]: no totag
  0(2204) DEBUG: <core> [select.c:425]: Calling SELECT 0x7f64e5839ea0
  0(2204) DEBUG: tm [t_lookup.c:1095]: DEBUG: t_check_msg: msg id=5 
global id=4 T start=0xffffffffffffffff
  0(2204) DEBUG: tm [t_lookup.c:534]: t_lookup_request: start searching: 
hash=7601, isACK=0
  0(2204) DEBUG: tm [t_lookup.c:492]: DEBUG: RFC3261 transaction 
matching failed
  0(2204) DEBUG: tm [t_lookup.c:716]: DEBUG: t_lookup_request: no 
transaction found
  0(2204) DEBUG: tm [t_lookup.c:1164]: DEBUG: t_check_msg: msg id=5 
global id=5 T end=(nil
  0(2204) ERROR: <script>: Enter register block 0(2204) DEBUG: tm 
[t_lookup.c:1395]: DEBUG: t_newtran: msg id=5 , global msg id=5 , T on 
entrance=(nil)
  0(2204) DEBUG: tm [t_lookup.c:534]: t_lookup_request: start searching: 
hash=7601, isACK=0
  0(2204) DEBUG: tm [t_lookup.c:492]: DEBUG: RFC3261 transaction 
matching failed
  0(2204) DEBUG: tm [t_lookup.c:716]: DEBUG: t_lookup_request: no 
transaction found
  0(2204) DEBUG: tm [t_hooks.c:374]: DBG: trans=0x7f64de66c4d0, callback 
type 1, id 0 entered
  0(2204) DEBUG: ims_auth [authorize.c:567]: Checking if REGISTER is 
authorized for realm [somecompany.com]...
  0(2204) DEBUG: ims_auth [authorize.c:597]: Nonce or response missing: 
nonce len [1910316154], response16 len[-440163170]
  0(2204) INFO: ims_auth [cxdx_mar.c:81]: created AVP successfully : 
[maa_return_code] - [-2]
  0(2204) DEBUG: ims_auth [authorize.c:298]: Need to challenge for realm 
[somecompany.com]
  0(2204) DEBUG: ims_auth [authorize.c:305]: Checking if REGISTER is 
authorized for realm [somecompany.com]...
  0(2204) DEBUG: ims_auth [authorize.c:435]: Suspending SIP TM transaction
  0(2204) DEBUG: ims_auth [authorize.c:1271]: Sending MAR
  0(2204) DEBUG: cdp [session.c:276]: adding a session with id 
scscf.somecompany.com;1782936534;5
  0(2204) DEBUG: cdp [routing.c:80]: get_first_connected_route in list 
0x7f64de63dbc0 for app_id 16777216 and vendor_id 10415
  0(2204) DEBUG: cdp [routing.c:88]: The peer hss.somecompany.com state 
is opened
  0(2204) DEBUG: cdp [routing.c:63]: Checking if peer 
hss.somecompany.com handles application 16777216 for vendord 10415
  0(2204) DEBUG: cdp [routing.c:90]: The peer hss.somecompany.com 
matches - will forward there
  0(2204) DEBUG: cdp [peerstatemachine.c:91]: sm_process(): Peer 
hss.somecompany.com State I_Open Event Send_Message
  0(2204) DEBUG: cdp [peerstatemachine.c:1096]: Snd_Message called to 
peer [hss.somecompany.com] for request with code 303
  0(2204) DEBUG: cdp [session.c:297]: called get session with id 
scscf.somecompany.com;1782936534;5 and hash 111
  0(2204) DEBUG: cdp [session.c:306]: no session found
  0(2204) DEBUG: cdp [diameter_msg.c:83]: AAABuildMsgBuffer(): len=348
  0(2204) DEBUG: cdp [receiver.c:967]: peer_send_msg(): Pipe push 
[0x7f64de66edd0]
  0(2204) DEBUG: ims_auth [cxdx_mar.c:516]: Successfully sent async diameter
  0(2204) DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: 
destroying list (nil)
  0(2204) DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: 
destroying list (nil)
  0(2204) DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: 
destroying list (nil)
  0(2204) DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: 
destroying list (nil)
  0(2204) DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: 
destroying list (nil)
  0(2204) DEBUG: <core> [usr_avp.c:644]: DEBUG:destroy_avp_list: 
destroying list (nil)
  0(2204) DEBUG: <core> [xavp.c:447]: destroying xavp list (nil)
  0(2204) DEBUG: <core> [receive.c:293]: receive_msg: cleaning up
10(2214) DEBUG: cdp [receiver.c:743]: select_recv(): There is something 
on the send pipe
10(2214) DEBUG: cdp [receiver.c:756]: select_recv(): Send pipe says 
[0x7f64de66edd0] 8
10(2214) DEBUG: cdp [diameter_msg.c:412]: AAAFreeMessage: Freeing 
message (0x7f64de66edd0) 303
10(2214) DEBUG: cdp [receiver.c:104]: --- Receiver 
[cdp_receiver_peer=hss.somecompany.com] Serviced Peers: ---
10(2214) DEBUG: cdp [receiver.c:110]:  Peer: [hss.somecompany.com]  TCP 
Socket: [15] Recv.State: [0]
10(2214) DEBUG: cdp [receiver.c:112]: 
--------------------------------------------------------
10(2214) DEBUG: cdp [receiver.c:104]: --- Receiver 
[cdp_receiver_peer=hss.somecompany.com] Serviced Peers: ---
10(2214) DEBUG: cdp [receiver.c:110]:  Peer: [hss.somecompany.com]  TCP 
Socket: [15] Recv.State: [1]
10(2214) DEBUG: cdp [receiver.c:112]: 
--------------------------------------------------------
10(2214) DEBUG: cdp [receiver.c:567]: receive_loop(): 
[hss.somecompany.com] Recv Version 1 Length 172
10(2214) DEBUG: cdp [receiver.c:104]: --- Receiver 
[cdp_receiver_peer=hss.somecompany.com] Serviced Peers: ---
10(2214) DEBUG: cdp [receiver.c:110]:  Peer: [hss.somecompany.com]  TCP 
Socket: [15] Recv.State: [2]
10(2214) DEBUG: cdp [receiver.c:112]: 
--------------------------------------------------------
10(2214) DEBUG: cdp [receiver.c:1061]: receive_message(): 
[hss.somecompany.com] Recv msg 303
10(2214) DEBUG: cdp [peerstatemachine.c:91]: sm_process(): Peer 
hss.somecompany.com State I_Open Event I_Rcv_Message
10(2214) DEBUG: cdp [session.c:297]: called get session with id 
scscf.somecompany.com;1782936534;5 and hash 111
10(2214) DEBUG: cdp [session.c:306]: no session found
10(2214) DEBUG: cdp [receiver.c:104]: --- Receiver 
[cdp_receiver_peer=hss.somecompany.com] Serviced Peers: ---
10(2214) DEBUG: cdp [receiver.c:110]:  Peer: [hss.somecompany.com]  TCP 
Socket: [15] Recv.State: [0]
10(2214) DEBUG: cdp [receiver.c:112]: 
--------------------------------------------------------
  0(2204) ALERT: <core> [main.c:788]: child process 2212 exited by a 
signal 11
  0(2204) ALERT: <core> [main.c:791]: core was generated
  0(2204) INFO: <core> [main.c:800]: INFO: dont_fork turned on, living on
  0(2204) ALERT: <core> [main.c:788]: child process 2211 exited by a 
signal 11
  0(2204) ALERT: <core> [main.c:791]: core was generated
  0(2204) INFO: <core> [main.c:800]: INFO: dont_fork turned on, living on







This is the modified register block to get a 401 unauthorized to even be 
generated (probably broken)....
route[REGISTER] {
         xlog("L_ERR", "Enter register block");
         t_newtran();

         if (!ims_www_authenticate(NETWORKNAME)) {
                 ims_www_challenge("$td");
                 exit;
         }

         if ($avp(maa_return_code) != 1 )  {
                if (!impu_registered("location")) {
                         save("location");
                         if ($avp(saa_return_code) == 1) {
isc_match_filter_reg("0","location");
                                   exit;
                         }
                } else {
                         save("location");
                         if($avp(saa_return_code) == 1) {
isc_match_filter_reg("1","location");
                                  exit;
                         }
                 }
         }
}


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