I added tls listening port in my config. Now it is working fine.


Date: Fri, 17 Oct 2014 18:33:17 -0700
From: gascagonzalo@gmail.com
To: sr-users@lists.sip-router.org
CC: ben@langfeld.me
Subject: Re: [SR-Users] Configuring TLS and WSS with Kamailio

Hi Ben,

In regards your certificates, please double check the following:
a) CN field:
In your webrtc client check the URL used for wss. and verify it matches the CN field of the certificate installed in kamailio:
Example:
In my sipml5 client I configured wss://ramenlabs.io:5063 and my certificate in fact contains in the cn field ramenlabs.io
Subject: OU=Domain Control Validated, OU=PositiveSSL, CN=ramenlabs.io
openssl x509 -in /etc/certs/sip.192.168.146.133/cert.pem -noout -text

b) 
I have successfully configured Kamailio 4.1 with TLS and WSS using TLS port 5063
Topology:
1) sipml5 --wss--> ngnix -wss-> kamailio (sip registrar)
2) sipml5 --wss---> kamailio

Relevant configurations:
kamailio.cfg
tls.cfg
certificates

Kamailio:
loading modules under /usr/lib/x86_64-linux-gnu/kamailio/modules/

Listening on 
             udp: 172.31.27.85:5060
             tcp: 172.31.27.85:5060
             tcp: 172.31.27.85:5062
             tls: 172.31.27.85:5061
             tls: 172.31.27.85:5063
Aliases: 
             tls: ip-172-31-27-85.us-west-2.compute.internal:5063
             tls: ip-172-31-27-85.us-west-2.compute.internal:5061
             tcp: ip-172-31-27-85.us-west-2.compute.internal:5062
             tcp: ip-172-31-27-85.us-west-2.compute.internal:5060
             udp: ip-172-31-27-85.us-west-2.compute.internal:5060
             *: ramenlabs.io:*
             *: 172.31.27.85:*


kamailio.cfg
tls.cfg

https://github.com/spicyramen/llamato/blob/LlamatoReg/kamailio.cfg
https://github.com/spicyramen/llamato/blob/LlamatoReg/tls.cfg


openssl s_client -connect 172.31.27.85:5063 where this i my internal IP address I get presented the certificates.
HTH

-G

On Fri, Oct 17, 2014 at 5:10 PM, Kamrul Khan <dodul@live.com> wrote:
ok. I have made some changes. rather than getting the TLS configaration from a file I added this lines: 

#!ifdef WITH_TLS
# ----- tls params -----

modparam("tls", "private_key", "/etc/certs/sip.192.168.146.133/key.pem")
modparam("tls", "certificate", "/etc/certs/sip.192.168.146.133/cert.pem")
modparam("tls", "ca_list", "/etc/certs/demoCA/cert.pem")

now, Im getting different logs which looks good.  Getting positive results from openssl test,

openssl s_client -connect 192.168.146.133:5061 -tls1
CONNECTED(00000003)
^C

But when I try to connect using my webRTC client or even from web-browsers im getting timed out. I think im  close .. please help me fixing this issue.

Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:275]: fill_missing(): TLSs<default>: tls_method=9
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:287]: fill_missing(): TLSs<default>: certificate='/etc/certs/sip.192.168.146.133/cert.pem'
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:294]: fill_missing(): TLSs<default>: ca_list='/etc/certs/demoCA/cert.pem'
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:301]: fill_missing(): TLSs<default>: crl='(null)'
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:305]: fill_missing(): TLSs<default>: require_certificate=0
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:312]: fill_missing(): TLSs<default>: cipher_list='(null)'
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:319]: fill_missing(): TLSs<default>: private_key='/etc/certs/sip.192.168.146.133/key.pem'
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:323]: fill_missing(): TLSs<default>: verify_certificate=0
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:326]: fill_missing(): TLSs<default>: verify_depth=9
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:670]: set_verification(): TLSs<default>: No client certificate required and no checks performed
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:275]: fill_missing(): TLSc<default>: tls_method=9
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:287]: fill_missing(): TLSc<default>: certificate='/etc/certs/sip.192.168.146.133/cert.pem'
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:294]: fill_missing(): TLSc<default>: ca_list='/etc/certs/demoCA/cert.pem'
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:301]: fill_missing(): TLSc<default>: crl='(null)'
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:305]: fill_missing(): TLSc<default>: require_certificate=0
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:312]: fill_missing(): TLSc<default>: cipher_list='(null)'
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:319]: fill_missing(): TLSc<default>: private_key='/etc/certs/sip.192.168.146.133/key.pem'
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:323]: fill_missing(): TLSc<default>: verify_certificate=0
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:326]: fill_missing(): TLSc<default>: verify_depth=9
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12123]: INFO: tls [tls_domain.c:673]: set_verification(): TLSc<default>: Server MAY present invalid certificate
Oct 17 16:35:38 ubuntu /usr/local/kamailio-devel//sbin/kamailio[12136]: INFO: ctl [io_listener.c:225]: io_listen_loop(): io_listen_loop:  using epoll_lt io watch method (config)



From: dodul@live.com
To: ben@langfeld.me; sr-users@lists.sip-router.org
Date: Sat, 18 Oct 2014 05:08:20 +0600

Subject: Re: [SR-Users] Configuring TLS and WSS with Kamailio

I dint find any in my installation directory. probably it doesn't come with standard installation unless you explicitly mention for it... not sure though


Date: Fri, 17 Oct 2014 19:56:50 -0300
From: ben@langfeld.co.uk
To: sr-users@lists.sip-router.org
Subject: Re: [SR-Users] Configuring TLS and WSS with Kamailio

Out of curiosity, why don't you use the pre-built packaged binaries instead of building from source?

On 17 October 2014 19:53, Kamrul Khan <dodul@live.com> wrote:
Hi,


Im trying to connect my WebRTC clietn to kamailio via WSS. I successfully connected it via WS but having trouble connecting it via WSS. My first issue is I get error messages while i try to compile TLS module(console log in the end of the document). But, still it creates tls.so file. So i copied the tls.so to my kamailio modules directory and then updated my kamailio configuration as below:


#!define WITH_TLS
.
.
listen=tcp:127.0.0.1:5061
listen=tcp:192.168.146.133:5061
.
.
#!ifdef WITH_TLS
enable_tls=yes
#!endif
.
.
#!ifdef WITH_TLS
# ----- tls params -----
modparam("tls", "config", "/usr/local/kamailio-devel/etc/kamailio/tls.cfg")
#!endif


Now, according to this mailing list,http://lists.sip-router.org/pipermail/sr-users/2013-March/077182.html : “when tls module is installed, a self signed pair of certificate-private key is generated in /usr/local/etc/kamailio”


In my case, I dont even have the /usr/local/etc/kamailio directory. So, I followed http://www.kamailio.org/dokuwiki/doku.php/tls:create-certificates to create my certificate and key. And updated my tsl.cfg, this is how my tsl.cfg looks like:


[server:192.168.146.133:5061]
method = TLSv1
verify_certificate = no
require_certificate = no


private_key = /etc/certs/sip.192.168.146.133/key.pem
certificate = /etc/certs/sip.192.168.146.133/cert.pem
ca_list = /etc/certs/demoCA/cert.pem


[client:192.168.146.133:5061]
verify_certificate = yes
require_certificate = yes




Then I restarted my kamailio server. And i get the following errors in my kamailio log:


Im not sure what wrong im doing. Please help me:


Oct 17 15:44:50 ubuntu kamailio: INFO: tls [tls_init.c:385]: init_tls_compression(): tls: init_tls: disabling compression...
Oct 17 15:44:50 ubuntu kamailio: WARNING: <core> [socket_info.c:1397]: fix_hostname(): WARNING: fix_hostname: could not rev. resolve 192.168.146.133
Oct 17 15:44:50 ubuntu kamailio: message repeated 2 times: [ WARNING: <core> [socket_info.c:1397]: fix_hostname(): WARNING: fix_hostname: could not rev. resolve 192.168.146.133]
Oct 17 15:44:50 ubuntu kamailio: INFO: <core> [tcp_main.c:4836]: init_tcp(): init_tcp: using epoll_lt as the io watch method (auto detected)
Oct 17 15:44:50 ubuntu kamailio: WARNING: <core> [daemonize.c:352]: daemonize(): pid file contains old pid, replacing pid
Oct 17 15:44:50 ubuntu /usr/local/kamailio-devel//sbin/kamailio[11013]: INFO: rr [../outbound/api.h:54]: ob_load_api(): Failed to import bind_ob
Oct 17 15:44:50 ubuntu /usr/local/kamailio-devel//sbin/kamailio[11013]: INFO: rr [rr_mod.c:159]: mod_init(): outbound module not available
Oct 17 15:44:50 ubuntu /usr/local/kamailio-devel//sbin/kamailio[11013]: INFO: usrloc [hslot.c:53]: ul_init_locks(): locks array size 512
Oct 17 15:44:50 ubuntu /usr/local/kamailio-devel//sbin/kamailio[11013]: INFO: utils [utils.c:288]: mod_init(): forward functionality disabled
Oct 17 15:44:50 ubuntu /usr/local/kamailio-devel//sbin/kamailio[11013]: INFO: utils [utils.c:197]: pres_db_init(): xcap_auth_status function is disabled
Oct 17 15:44:50 ubuntu /usr/local/kamailio-devel//sbin/kamailio[11013]: ERROR: tls [tls_init.c:668]: tls_check_sockets(): TLSs<192.168.146.133:5061>: No listening socket found
Oct 17 15:44:50 ubuntu /usr/local/kamailio-devel//sbin/kamailio[11013]: ERROR: <core> [sr_module.c:970]: init_mod(): init_mod(): Error while initializing module tls (/usr/local/kamailio-devel/lib64/kamailio/modules/tls.so)
Oct 17 15:44:50 ubuntu /usr/local/kamailio-devel//sbin/kamailio[11013]: : tls [tls_locking.c:103]: locking_f(): BUG: tls: locking_f (callback): invalid lock number: 30 (range 0 - 0), called from eng_table.c:227
Oct 17 15:44:51 ubuntu kamailio: ERROR: <core> [daemonize.c:307]: daemonize(): Main process exited before writing to pipe


tls module compile log



xxx@ubuntu:/usr/local/src/kamailio-4.1/kamailio$ sudo make -C modules/tls
make: Entering directory `/usr/local/src/kamailio-4.1/kamailio/modules/tls'
make: Leaving directory `/usr/local/src/kamailio-4.1/kamailio/modules/tls'
make: Entering directory `/usr/local/src/kamailio-4.1/kamailio/modules/tls'
CC (gcc) [M tls.so]             tls_bio.o
CC (gcc) [M tls.so]             tls_cfg.o
CC (gcc) [M tls.so]             tls_config.o
CC (gcc) [M tls.so]             tls_ct_wrq.o
CC (gcc) [M tls.so]             tls_domain.o
In file included from tls_domain.c:39:0:
tls_domain.c: In function âload_certâ:
tls_util.h:52:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
  int ret;             \
      ^
tls_domain.c:506:4: note: in expansion of macro âTLS_ERRâ
    TLS_ERR("load_cert:");
    ^
tls_domain.c: In function âload_ca_listâ:
tls_util.h:52:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
  int ret;             \
      ^
tls_domain.c:536:4: note: in expansion of macro âTLS_ERRâ
    TLS_ERR("load_ca_list:");
    ^
tls_util.h:52:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
  int ret;             \
      ^
tls_domain.c:543:4: note: in expansion of macro âTLS_ERRâ
    TLS_ERR("load_ca_list:");
    ^
tls_domain.c: In function âload_crlâ:
tls_util.h:52:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
  int ret;             \
      ^
tls_domain.c:575:4: note: in expansion of macro âTLS_ERRâ
    TLS_ERR("load_crl:");
    ^
tls_domain.c: In function âload_private_keyâ:
tls_util.h:52:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
  int ret;             \
      ^
tls_domain.c:990:5: note: in expansion of macro âTLS_ERRâ
     TLS_ERR("load_private_key:");
     ^
tls_util.h:52:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
  int ret;             \
      ^
tls_domain.c:998:4: note: in expansion of macro âTLS_ERRâ
    TLS_ERR("load_private_key:");
    ^
tls_util.h:52:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
  int ret;             \
      ^
tls_domain.c:1005:4: note: in expansion of macro âTLS_ERRâ
    TLS_ERR("load_private_key:");
    ^
CC (gcc) [M tls.so]             tls_dump_vf.o
CC (gcc) [M tls.so]             tls_init.o
CC (gcc) [M tls.so]             tls_locking.o
CC (gcc) [M tls.so]             tls_mod.o
CC (gcc) [M tls.so]             tls_rpc.o
CC (gcc) [M tls.so]             tls_select.o
CC (gcc) [M tls.so]             tls_server.o
In file included from tls_server.c:52:0:
tls_server.c: In function âtls_complete_initâ:
tls_util.h:52:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
  int ret;             \
      ^
tls_server.c:192:3: note: in expansion of macro âTLS_ERRâ
   TLS_ERR("Failed to create SSL or BIO structure:");
   ^
tls_server.c: In function âtls_shutdownâ:
tls_util.h:52:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
  int ret;             \
      ^
tls_server.c:521:4: note: in expansion of macro âTLS_ERRâ
    TLS_ERR("SSL error:");
    ^
tls_server.c: In function âtls_encode_fâ:
tls_util.h:52:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
  int ret;             \
      ^
tls_server.c:798:5: note: in expansion of macro âTLS_ERRâ
     TLS_ERR(err_src);
     ^
tls_util.h:52:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
  int ret;             \
      ^
tls_server.c:832:5: note: in expansion of macro âTLS_ERRâ
     TLS_ERR(err_src);
     ^
tls_server.c: In function âtls_read_fâ:
tls_util.h:52:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
  int ret;             \
      ^
tls_server.c:1186:4: note: in expansion of macro âTLS_ERRâ
    TLS_ERR(err_src);
    ^
tls_util.h:52:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
  int ret;             \
      ^
tls_server.c:1220:4: note: in expansion of macro âTLS_ERRâ
    TLS_ERR(err_src);
    ^
CC (gcc) [M tls.so]             tls_util.o
CC (gcc) [M tls.so]             tls_verify.o
LD (gcc) [M tls.so]             tls.so
make: Leaving directory `/usr/local/src/kamailio-4.1/kamailio/modules/tls'


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_______________________________________________
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