[SR-Users] 2 TLS issues/questions: per-client config & IPv6 client

[Daniel-Constantin Mierla]

Hello,

can you try with latest master? After just quick view of sources, I
spotted some issue identifying ipv6 address and pushed a small patch for
it, but no time to test it for now.

Cheers,
Daniel

On 23/02/15 10:01, Daniel-Constantin Mierla wrote:
> Hello,
>
> On 23/02/15 02:16, Anthony Messina wrote:
>> I'm wondering if anyone can point me in the right direction for the following 
>> two issues with Kamailio and tls.cfg
>>
>> 1. When attempting to configure TLS settings for connecting to a specific IPv4 
>> client, it seems that the ca_list indicated in [client:default] overrides the 
>> one in the client-specific config.  If I don't include the client's CA in the 
>> [client:default] section, I get the following, regardless of what is in 
>> [client:204.74.213.5:5061].
>>
>> ERROR: tls [tls_server.c:1230]: tls_read_f(): TLS write:error:14090086:SSL 
>> routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed
>>
>> [client:default]
>> method = TLSv1+
>> verify_certificate = yes
>> require_certificate = no
>> private_key = /etc/kamailio/key.pem
>> certificate = /etc/kamailio/crt.pem
>> verify_depth = 2
>> # In order for the client below to work, the ca_list here needs to support # 
>> contain the CA for the specific client. Not sure why, maybe a bug?
>> #ca_list = /etc/pki/CA/myownCA.pem # Can't use this one
>> ca_list = /etc/kamailio/kamailio.tls.ca_list.pem # Contains ALL client CA's
>>
>> [client:204.74.213.5:5061]
>> method = TLSv1+
>> verify_certificate = yes
>> require_certificate = yes
>> verify_depth = 2
>> ca_list = /etc/kamailio/204.74.213.5.crt.pem
>
> I noticed that this one is hard to match because it specifies the
> local socket, but the kernel returns a random local port when doing a
> connect. The matching should be changed to be done on an xavp or the
> forced socket. I made a note on the commit:
>
> -
> https://github.com/kamailio/kamailio/commit/9a36fb7aae0adc39efb17a967a88db2eebfd8c36
>
> It is on my list to solve it, but no time so far.
>
>>
>> 2. When attempting to configure TLS settings for connecting to a specific IPv6 
>> client, I cannot figure out the syntax needed to specify the IPv6 client.  
>> What is the proper syntax?
>>
>> With [client:[2607:5300:60:1f93::0]:5061], I get:
>> ERROR: tls [tls_config.c:71]: parse_ipv6(): tls.cfg:57:9: Invalid IPv6 address
>
> Perhaps it is an issue in the parser of the config, I will look at it.
>
> Cheers,
> Daniel
>
>>
>> Any guidance is appreciated.  Thanks.  -A
>>
>>
>>
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>
> -- 
> Daniel-Constantin Mierla
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
> Kamailio World Conference, May 27-29, 2015
> Berlin, Germany - http://www.kamailioworld.com

-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference, May 27-29, 2015
Berlin, Germany - http://www.kamailioworld.com

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