pjsua2 example in python crash when run test code and register callback is executed

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Hi

I'm following pjsua2 book documentation to create a SIP client using python3.6 (from here: https://www.pjsip.org/docs/book-latest/html/index.html)

I compiled myself pjsip 2.9 (tried too 2.8 and current code) but I cannot run the code properly.

The test.py code is:

test.py --------------------------------------------------------------------------------

import time
import pjsua2 as pj

# uri = "sip:test@xxxxxxxxx"
# reguri = "sip:pjsip.org"
# name = "test"
# passwd = "pwtest"
uri = "sip:client1@localhost"
reguri = "sip:localhost"
name = "client1"
passwd = "1234"
port = 5061

# Subclass to extend the Account and get notifications etc.
class Account(pj.Account):
  def onRegState(self, prm):
      print("***OnRegState: " + prm.reason)

# pjsua2 test function
def pjsua2_test():
  # Create and initialize the library
  ep_cfg = pj.EpConfig()
  ep = pj.Endpoint()
  ep.libCreate()
  ep.libInit(ep_cfg)

  # Create SIP transport. Error handling sample is shown
  sipTpConfig = pj.TransportConfig()
  sipTpConfig.port = port
  ep.transportCreate(pj.PJSIP_TRANSPORT_UDP, sipTpConfig)
  # Start the library
  ep.libStart()

  acfg = pj.AccountConfig()
  acfg.idUri = uri
  acfg.regConfig.registrarUri = reguri
  cred = pj.AuthCredInfo("digest", "*", name, 0, passwd)
  acfg.sipConfig.authCreds.append( cred )
  # Create the account
  acc = Account()
  acc.create(acfg)
  # Here we don't have anything else to do..
  time.sleep(10)

  # Destroy the library
  ep.libDestroy()

#
# main()
#
if __name__ == "__main__":
  pjsua2_test()
--------------------------------------------------------------------------------

The client log generated is:

test_python_code.log --------------------------------------------------------------------------------
16:21:21.802         os_core_unix.c !pjlib 2.9 for POSIX initialized
16:21:21.803         sip_endpoint.c  .Creating endpoint instance...
16:21:21.803                  pjlib  .select() I/O Queue created (0x557b5306daa0)
16:21:21.803         sip_endpoint.c  .Module "mod-msg-print" registered
16:21:21.803        sip_transport.c  .Transport manager created.
16:21:21.803           pjsua_core.c  .PJSUA state changed: NULL --> CREATED
16:21:21.803         sip_endpoint.c  .Module "mod-pjsua-log" registered
16:21:21.803         sip_endpoint.c  .Module "mod-tsx-layer" registered
16:21:21.803         sip_endpoint.c  .Module "mod-stateful-util" registered
16:21:21.803         sip_endpoint.c  .Module "mod-ua" registered
16:21:21.803         sip_endpoint.c  .Module "mod-100rel" registered
16:21:21.803         sip_endpoint.c  .Module "mod-pjsua" registered
16:21:21.803         sip_endpoint.c  .Module "mod-invite" registered
16:21:22.012             alsa_dev.c  ..ALSA driver found 32 devices
16:21:22.012             alsa_dev.c  ..ALSA initialized
16:21:22.012                  pjlib  ..select() I/O Queue created (0x557b531f0fb8)
16:21:22.017         sip_endpoint.c  .Module "mod-evsub" registered
16:21:22.017         sip_endpoint.c  .Module "mod-presence" registered
16:21:22.017         sip_endpoint.c  .Module "mod-mwi" registered
16:21:22.017         sip_endpoint.c  .Module "mod-refer" registered
16:21:22.017         sip_endpoint.c  .Module "mod-pjsua-pres" registered
16:21:22.017         sip_endpoint.c  .Module "mod-pjsua-im" registered
16:21:22.017         sip_endpoint.c  .Module "mod-pjsua-options" registered
16:21:22.017           pjsua_core.c  .1 SIP worker threads created
16:21:22.017           pjsua_core.c  .pjsua version 2.9 for Linux-5.0.0.32/x86_64/glibc-2.27 initialized
16:21:22.017           pjsua_core.c  .PJSUA state changed: CREATED --> INIT
16:21:22.018           pjsua_core.c  SIP UDP socket reachable at 192.168.4.115:5061
16:21:22.018      udp0x557b53205750  SIP UDP transport started, published address is 192.168.4.115:5061
16:21:22.018           pjsua_core.c  PJSUA state changed: INIT --> STARTING
16:21:22.018         sip_endpoint.c  .Module "mod-unsolicited-mwi" registered
16:21:22.018           pjsua_core.c  .PJSUA state changed: STARTING --> RUNNING
16:21:22.018            pjsua_acc.c  Adding account: id=sip:client1@localhost
16:21:22.018            pjsua_acc.c  .Account sip:client1@localhost added with id 0
16:21:22.018            pjsua_acc.c  .Acc 0: setting registration..
16:21:22.018           pjsua_core.c  ...TX 496 bytes Request msg REGISTER/cseq=40051 (tdta0x557b531cde28) to UDP 127.0.0.1:5060:
REGISTER sip:localhost SIP/2.0
Via: SIP/2.0/UDP 192.168.4.115:5061;rport;branch=z9hG4bKPj65e59469-4dca-4374-ad7b-427e274941b3
Max-Forwards: 70
From: <sip:client1@localhost>;tag=20b20212-a3ea-4a69-aa2c-2722fc3d8c82
To: <sip:client1@localhost>
Call-ID: f5ac12e4-efdc-4796-82da-bd0d6ea18a68
CSeq: 40051 REGISTER
Contact: <sip:client1@192.168.4.115:5061;ob>
Expires: 300
Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS
Content-Length:  0


--end msg--
16:21:22.018            pjsua_acc.c  ..Acc 0: Registration sent
16:21:22.018           pjsua_core.c  .RX 577 bytes Response msg 401/REGISTER/cseq=40051 (rdata0x557b531c9fa8) from UDP 127.0.0.1:5060:
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 192.168.4.115:5061;branch=z9hG4bKPj65e59469-4dca-4374-ad7b-427e274941b3;received=127.0.0.1;rport=5061
From: <sip:client1@localhost>;tag=20b20212-a3ea-4a69-aa2c-2722fc3d8c82
To: <sip:client1@localhost>;tag=as72f046ae
Call-ID: f5ac12e4-efdc-4796-82da-bd0d6ea18a68
CSeq: 40051 REGISTER
Server: Asterisk PBX 14.3.0
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
Supported: replaces, timer
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="5a826d8a"
Content-Length: 0


--end msg--
16:21:22.018            pjsua_acc.c  ....IP address change detected for account 0 (192.168.4.115:5061 --> 127.0.0.1:5061). Updating registration (using method 4)
16:21:22.019           pjsua_core.c  ....TX 647 bytes Request msg REGISTER/cseq=40052 (tdta0x557b531cde28) to UDP 127.0.0.1:5060:
REGISTER sip:localhost SIP/2.0
Via: SIP/2.0/UDP 127.0.0.1:5061;rport;branch=z9hG4bKPj78ce9b35-b46f-4714-b185-4b8197e19fc1
Max-Forwards: 70
From: <sip:client1@localhost>;tag=20b20212-a3ea-4a69-aa2c-2722fc3d8c82
To: <sip:client1@localhost>
Call-ID: f5ac12e4-efdc-4796-82da-bd0d6ea18a68
CSeq: 40052 REGISTER
Contact: <sip:client1@127.0.0.1:5061;ob>
Expires: 300
Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS
Authorization: Digest username="client1", realm="asterisk", nonce="5a826d8a", uri="sip:localhost", response="012a7639a11e8780266209114ba682e4", algorithm=MD5
Content-Length:  0


--end msg--
16:21:22.019           pjsua_core.c  .RX 592 bytes Response msg 200/REGISTER/cseq=40052 (rdata0x7fc634008e88) from UDP 127.0.0.1:5060:
SIP/2.0 200 OK
Via: SIP/2.0/UDP 127.0.0.1:5061;branch=z9hG4bKPj78ce9b35-b46f-4714-b185-4b8197e19fc1;received=127.0.0.1;rport=5061
From: <sip:client1@localhost>;tag=20b20212-a3ea-4a69-aa2c-2722fc3d8c82
To: <sip:client1@localhost>;tag=as72f046ae
Call-ID: f5ac12e4-efdc-4796-82da-bd0d6ea18a68
CSeq: 40052 REGISTER
Server: Asterisk PBX 14.3.0
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
Supported: replaces, timer
Expires: 300
Contact: <sip:client1@127.0.0.1:5061;ob>;expires=300
Date: Wed, 23 Oct 2019 14:21:22 GMT
Content-Length: 0


--end msg--
16:21:22.019            pjsua_acc.c  ....SIP outbound status for acc 0 is not active
16:21:22.019            pjsua_acc.c  ....sip:client1@localhost: registration success, status=200 (OK), will re-register in 300 seconds
16:21:22.019            pjsua_acc.c  ....Keep-alive timer started for acc 0, destination:127.0.0.1:5060:15, interval:0s
[1]    4673 segmentation fault (core dumped)  python test.py
--------------------------------------------------------------------------------

It seems it is failing when parsing the registration callback, but in my code it seems it all ok. The code fail too with invalid credential and only if asterisk server is running, if not is running, register callback (this log line no appear: 16:21:22.019            pjsua_acc.c  ....sip:client1@localhost: registration success, status=200 (OK), will re-register in 300 seconds) and it does not crash.

The problem happens at C level. The asterisk server is registering properly the user:

asterisk.log ----------------------------------------------------------------
Asterisk Ready.
*CLI>     -- Registered SIP 'client1' at 127.0.0.1:5061
--------------------------------------------------------------------------------

How can I solve this?

Thanks.

_________________________________________________________


Víctor Goñi Sanz

Tecnología | Biometría de Voz

 

Veridas Digital Authentication Solutions S.L.

Polígono Industrial Talluntxe II, Calle M-10

31192, Tajonar, Navarra, SPAIN

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  Email:  vgoni@xxxxxxxxxxxx

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