27 Jan
2022
27 Jan
'22
6:15 p.m.
Hi,
I'm running a scenario very similar to yours with kamailio 5.5.3 and I have
no issue.
The only difference with your scenario is that I don't do the challenge
with the client, I always reply 403 and release the transaction after.
I didn't have the time to replicate your exact scenario but it could be
worth trying to add a t_release() after the www_challenge().
Cheers,
Federico
On Thu, Jan 27, 2022 at 8:04 AM Cyril Ramière <cyril.ramiere(a)gmail.com>
wrote:
Hi there,
I have a weird issue with kamailio (latest docker
image kamailio-ci:5.5.2-alpine) and http_async_client.
Before posting a lot of logs, let me describe what I want to achieve.
I have a Kamailio and a SIP Phone.
The SIP phone sends a REGISTER to kamailio, then in my routing block, I
check if I have an Authorization header.
Since I don't have an Authorization (first message), I
use "www_challenge()".
This replies to the SIP phone, and then the SIP phone sends a new REGISTER
with the correct Authorization header.
So far so good.
Now, when I get the REGISTER with Authorization header, I want to ask an
HTTP endpoint if this user is allowed to connect and check the password
using http_async_query().
The problem is that when the transaction resumes, the tmx module is
unhappy and throws this error :
30(36) CRITICAL: tmx [t_var.c:546]: pv_get_tm_reply_code(): no picked
branch (-1) for a final response in MODE_ONFAILURE
And a 500 error is sent back to the sip phone.
The AUTH_REPLY route is still called and I can use the $http* values.
Do you see something that I am doing wrong or missing in my logic?
Is pausing/resuming to use the async http client is allowed if I'm
handling a REGISTER transaction?
Here's a simplified version of my routing block (not far from reality):
##### SNIP
request_route{
route(AUTH);
route[AUTH]{
if (is_method("REGISTER"){
if(no_auth_header){
www_challenge("$td","1");
exit;
}
else{
t_newtran();
http_async_query("http://xxx.xxx.xxx.xxx:9000/auth?foo=bar",
"AUTH_REPLY");
}
}
}
route[AUTH_REPLY]{
xlog("L_INFO", "route[HTTP_REPLY]: status $http_rs\n");
}
}
##### END SNIP
Best regards!
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