From cerien.jean@gmail.com Tue Sep 26 15:36:28 2017
From: Jean =?utf-8?q?C=C3=A9rien?= <cerien.jean@gmail.com>
To: sr-users@lists.kamailio.org
Subject: Re: [SR-Users] UACREG - answering to 401 on invite
Date: Tue, 26 Sep 2017 09:36:19 -0400
Message-ID:
 <CAL_ph0LezVvGbq3DADds=QPPx-W4+_bv1T10hTscY1DVFF8n4g@mail.gmail.com>
In-Reply-To: <20170926132731.GL13309@office.pocos.nl>
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Thanks Daniel for your usual help, it is really appreciated !

I've inserted the following block on the failure route:
        if (t_check_status("401|407")) {
                xlog("L_INFO","failure_route(ROUTEFAIL) @@ call to
uac_auth()\n");
                uac_auth();
                t_relay();
                exit;
        }


Logs show:
Sep 26 15:29:08 kamailio /usr/sbin/kamailio[108044]: INFO: <script>:
failure_route(ROUTEFAIL) @@ call to uac_auth()
Sep 26 15:29:08 kamailio /usr/sbin/kamailio[108044]: ERROR: tm
[t_fwd.c:1723]: t_forward_nonack(): no branches for forwarding
Sep 26 15:29:08 kamailio /usr/sbin/kamailio[108044]: ERROR: tm [tm.c:1433]:
_w_t_relay_to(): t_forward_noack failed

Here is the 401 received - to me, there is the challenge:

2017/09/26 15:32:16.410800  pro.vid.er.ip:5060 ->  my.kam.ailio.ip:5060
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP
my.kam.ailio.ip;branch=3Dz9hG4bK2edf.049073b8bcb252b5f7b5e6fffcd8b498.0;recei=
ved=3D
my.kam.ailio.ip;rport=3D5060
Via: SIP/2.0/UDP 46.105.145.36:5060;branch=3Dz9hG4bK53167350
From: <sip:0600000000(a)46.105.145.36>;tag=3Das6fb1c402
To: <sip:100622222222@ my.kam.ailio.ip>;tag=3Das61ddd570
Call-ID: 242842785528c07b7fd56dc660b8c377(a)my.asterisk.ip:5060
CSeq: 102 INVITE
Server: OpenVoice-8
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO,
PUBLISH
Supported: replaces
WWW-Authenticate: Digest algorithm=3DMD5, realm=3D"sip8.voip-centrex.net",
nonce=3D"6b04a972"
Content-Length: 0





On Tue, Sep 26, 2017 at 9:27 AM, Daniel Tryba <d.tryba(a)pocos.nl> wrote:

> On Tue, Sep 26, 2017 at 09:08:26AM -0400, Jean C=C3=A9rien wrote:
> > With the UACREG module, I am registering to a remote provider. Register
> > goes out, 401 back, Register goes out with nonce & co, OK
> >
> > Later, when I send an invite, the provider issues an 401 Unauthorized. I
> > guess it expects me to resubmit an INVITE with the authentication data,
> but
> > I dont see how to do that.
>
> Are you saying the 401 doesn't contain a challenge? Otherwise you
> should just use uac_auth() (just like you probably already do for the
> REGISTER), following URL contains an example for an INVITE:
> https://www.kamailio.org/docs/modules/stable/modules/uac.
> html#uac.f.uac_auth
>
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users(a)lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>



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