Sergiu,
Actually, yes
Problem is in order of checking in this function
https://github.com/kamailio/kamailio/blob/02240711239149e2f5c4890a70ab158d10fa8187/src/modules/siputils/sipops.c#L183
if (((ip = str2ip(&(puri.host))) == NULL)
&& ((ip = str2ip6(&(puri.host))) == NULL)) {
LM_DBG("uri host is not an ip address\n");
return -1;
}
So, it's checking if Record-Route is an IP address before actually
calling *check_self()* function. I'll add an issue.
Regards,
Igor
On 08.05.2021 02:42, Sergiu Pojoga wrote:
May be related to a previous topic about is_first_hop() and 'myself'
https://lists.kamailio.org/pipermail/sr-users/2018-October/103261.html
<https://lists.kamailio.org/pipermail/sr-users/2018-October/103261.html>
On Fri, May 7, 2021 at 7:22 PM David Villasmil
<david.villasmil.w...@gmail.com
<mailto:david.villasmil.w...@gmail.com>> wrote:
Can you share a trace?
On Fri, 7 May 2021 at 21:12, Igor Olhovskiy
<igorolhovs...@gmail.com <mailto:igorolhovs...@gmail.com>> wrote:
Yes. It passesuri == myself condition on auth.
Regards,
Igor
On 07.05.2021 17:32, David Villasmil wrote:
Have you tried verifying Kamailio actually believes the FQDN
is itself?
Regards,
David Villasmil
email: david.villasmil.w...@gmail.com
<mailto:david.villasmil.w...@gmail.com>
phone: +34669448337
On Fri, May 7, 2021 at 4:18 PM Igor Olhovskiy
<igorolhovs...@gmail.com <mailto:igorolhovs...@gmail.com>> wrote:
David,
Yes, I did added it, means it was there, but
is_first_hop() was blocking adding it. I think it's some
leftovers from default config.
So, my conclusion, that is_first_hop() is ok with IP
addresses, but not ok with FQDN in route. Although FQDN
is added as alias
Regards,
Igor
On 07.05.2021 16:07, David Villasmil wrote:
Did you add the handle_ruri_alias() as suggested by
Daniel? I had something like this where I would get
“unable to resolve blah blah blah" and it’s because the
RURI is the actual wss “address” which is unresolvable,
so executing the function forces kamailio to take the
alias instead.
On Fri, 7 May 2021 at 13:48, Igor Olhovskiy
<igorolhovs...@gmail.com
<mailto:igorolhovs...@gmail.com>> wrote:
Daniel,
Seems to be it's really the case, but with other
function
With FQDN in RR
|is_first_hop()|
is not acting correctly for reply.
For incoming SIP replies, it means that top
Record-Route URI is 'myself' and source address is
not matching it
But in Record-Route we have "myself", but
*is_first_hop()* returning 0.
Thanks!
Regards,
Igor
On 07.05.2021 14:22, Daniel-Constantin Mierla wrote:
OK, because looping was something that should not
have happened in this case.
Then the problem is that you do not do
nat-traversal-like processing for websocket/webrtc
traffic. You have to use set_contact_alias() +
handle_ruri_alias() because the webrtc endpoints do
not set "valid" contact addresses.
Cheers,
Daniel
On 07.05.21 14:13, Igor Olhovskiy wrote:
Ah, no, sorry, I was wrong at this one,
This just is not sent with "unable to resolve
address toleivu2gdbh.invalid".
Sorry. Looping were something else during my
tests, this just with *advertise* added
Regards,
Igor
On 07.05.2021 14:02, Daniel-Constantin Mierla wrote:
This looks like incoming ACK, because there is
only one Via header, so it is not what proxy
forwards -- that one is relevant to see what
headers were consumed and added.
Cheers,
Daniel
On 07.05.21 13:51, Igor Olhovskiy wrote:
Sure.
ACK sip:88290@toleivu2gdbh.invalid;transport=wss
SIP/2.0
Via: SIP/2.0/UDP
A_IP_ADDRESS:5060;rport;branch=z9hG4bKPj8d05548a-91ef-4332-8617-32f8eeebf8f2
From:
<sip:88881@A_IP_ADDRESS>;tag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d
To: <sip:88290@KAMAILIO_FQDN>;tag=hvra7mj3q0
Call-ID: 46f44741-d155-4dd5-8fd8-78e540fc1acb
CSeq: 18326 ACK
Route:
<sip:KAMAILIO_FQDN;lr;r2=on;ftag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d;nat=wss>
Route:
<sip:KAMAILIO_FQDN:8089;transport=ws;lr;r2=on;ftag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d;nat=wss>
Max-Forwards: 70
User-Agent: Asterisk PBX 13.33.0
Content-Length: 0
By loop I meant, Kamailio just relaying it back
to self and discard.
Regards,
Igor
On 07.05.2021 13:48, Daniel-Constantin Mierla wrote:
Can you paste the ACK that loops, after being
handled once by Kamailio?
Cheers,
Daniel
On 07.05.21 13:25, Igor Olhovskiy wrote:
Daniel,
Yes, it is.
alias=...
Also tried with
listen = IP advertise FQDN
same behavior, loose_route() stops acting
correctly.
PS: Forgot to add, Kamailio 5.4.3 / 5.4.4
Regards,
Igor
On 07.05.2021 13:21, Daniel-Constantin Mierla
wrote:
Hello,
is the KAMAILIO_FQDN set as local domain for
Kamailio (via alias parameter or domain
module+register myself)?
Cheers,
Daniel
On 07.05.21 11:17, Igor Olhovskiy wrote:
Hello,
I saw there are some topics on this already
and carefully walked through all of them,
but can't solve following issue.
For a reason I do need that in Record-Route
header sent to endpoint would present FQDN.
If it matters, it's UDP/WSS conversion done
on Kamailio.
So, scheme is quite simple
Enpoint A ->UDP-> Kamailio ->WSS-> Endpoint
B (NAT)
Main issue here, that if in Record-Route
headers it's FQDN, but not IP addresses, on
a new transactions with a dialog (ACK on
200, PRACK, BYE), Kamailio*loose_route()*
function resolves address of destination not
current dialog, but actual R-URI (or itself,
if R-URI is something from WebRTC world)
that is not correct due to NAT.
If in RR headers IP addresses are present -
all is working as expected.
As an example (RR with FQDN)
B answers 200
SIP/2.0 200 OK
Record-Route:
<sip:KAMAILIO_FQDN:8089;transport=ws;r2=on;lr=on;ftag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d;nat=wss>
Record-Route:
<sip:KAMAILIO_FQDN;r2=on;lr=on;ftag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d;nat=wss>
Via: SIP/2.0/UDP
<A_IP_ADDRESS>:5060;received=A IP
ADDRESS;rport=5060;branch=z9hG4bKPj67fb6d86-97d7-4231-995b-e54b0f62881e
To: <sip:88290@<KAMAILIO_FQDN>>;tag=hvra7mj3q0
From:
<sip:+XXXX7688881@<KAMAILIO_FQDN>>;tag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d
Call-ID: 46f44741-d155-4dd5-8fd8-78e540fc1acb
CSeq: 18326 INVITE
Contact:
<sip:88290@toleivu2gdbh.invalid;transport=wss>
Allow:
ACK,CANCEL,INVITE,MESSAGE,BYE,OPTIONS,INFO,NOTIFY,REFER
Supported: outbound
Content-Type: application/sdp
Content-Length: 817
ACK looks like
ACK
sip:88290@toleivu2gdbh.invalid;transport=wss
SIP/2.0
Via: SIP/2.0/UDP
A_IP_ADDRESS:5060;rport;branch=z9hG4bKPj8d05548a-91ef-4332-8617-32f8eeebf8f2
From:
<sip:88881@A_IP_ADDRESS>;tag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d
To: <sip:88290@KAMAILIO_FQDN>;tag=hvra7mj3q0
Call-ID: 46f44741-d155-4dd5-8fd8-78e540fc1acb
CSeq: 18326 ACK
Route:
<sip:FQDN;lr;r2=on;ftag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d;nat=wss>
Route:
<sip:FQDN:8089;transport=ws;lr;r2=on;ftag=0a3e31a6-96ad-42d0-9310-81b35cedbd3d;nat=wss>
Max-Forwards: 70
User-Agent: Asterisk PBX 13.33.0
Content-Length: 0
And Kamailio on *loose_route()* loops ACK to
itself. (with result of function == 1)
In a case if in Record-Route/Route headers
just IP address of Kamailio present, all
works as expected, but it's not really
behavior I want to achieve.
I've tried to play with
*record_route_preset("...")* specifying only
WSS part (as suggested in
https://skalatan.de/de/blog/kamailio-sbc-teams
<https://skalatan.de/de/blog/kamailio-sbc-teams>)
with FQDN, but no luck.
Also wanted to try approach using
record_route_preset() function in branch
route, but it was working only with first
branch, not affecting others (but I assume
having different RR headers across branches
is not a good idea)
--
Regards,
Igor
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--
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www.twitter.com/miconda <http://www.twitter.com/miconda>
--www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
Kamailio Advanced Training - Online
May 17-20, 2021 (Europe Timezone) - June 7-10, 2021 (America
Timezone)
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<https://www.asipto.com/sw/kamailio-advanced-training-online/>
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<mailto:david.villasmil.w...@gmail.com>
phone: +34669448337
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