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<tt>Hi Rik,<br>
<br>
The truth is in the middle. The second invite from opensips (the
one with credentials) must not be considered a retransmission - it
has a totally different VIA branch -> different transaction.<br>
Also, OpenSIPS should increase the CSeq when answering to the
challenge, but not able to do so as OpenSIPS is mainly a SIP
proxy, not a b2bua.<br>
<br>
Regards,<br>
<br>
</tt>
<pre class="moz-signature" cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
<br>
On 11/04/2013 12:22 PM, Rik Broers wrote:
<blockquote
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<p class="MsoNormal"><a moz-do-not-send="true"
name="_MailEndCompose"><span style="color: black;"
lang="EN-US">Hello Bogdan,<o:p></o:p></span></a></p>
<p class="MsoNormal"><span style="color: black;" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: black;" lang="EN-US">Yes
I’m very sure that the proper credentials are used ;)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: black;" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: black;" lang="EN-US">I’m
going to try and calculate the response according to the
RFC.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: black;" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: black;" lang="EN-US">One
thing I found is that asterisk seems to ignore my second
invite with Authorization because of retransmit?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: black;" lang="EN-US">It
seems that I should increase my CSEQ on second invite.. How
can I do this neatly?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: black;" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 9pt;
font-family: "Lucida Console"; color: windowtext;"
lang="EN-US">[Nov 4 11:08:25]
</span><span style="font-size: 9pt; font-family: "Lucida
Console"; color: rgb(85, 255, 85);" lang="EN-US">DEBUG</span><span
style="font-size: 9pt; font-family: "Lucida
Console"; color: windowtext;" lang="EN-US">[22804]:
chan_sip.c:22448 handle_incoming: **** Received INVITE (5) -
Command in SIP INVITE</span><span style="font-size: 9pt;
font-family: "Lucida Console"; background: none
repeat scroll 0% 0% black;" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style=""><span style="font-size: 9pt;
font-family: "Lucida Console"; color: windowtext;"
lang="EN-US">[Nov 4 11:08:25]
</span><span style="font-size: 9pt; font-family: "Lucida
Console"; color: rgb(85, 255, 85);" lang="EN-US">DEBUG</span><span
style="font-size: 9pt; font-family: "Lucida
Console"; color: windowtext;" lang="EN-US">[22804]:
chan_sip.c:22467 handle_incoming: Ignoring SIP message
because of retransmit (INVITE Seqno 12481, ours 12481)
Ignoring this INVITE request</span><span style="font-size:
9pt; font-family: "Lucida Console"; background:
none repeat scroll 0% 0% black;" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: black;" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color: black;" lang="EN-US"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="color: black;" lang="EN-US">Met
vriendelijke groet,</span><span style="color: black;"
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color: black;" lang="EN-US"><o:p> </o:p></span></p>
<table class="MsoNormalTable" style="border-collapse:
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<p class="MsoNormal" style="line-height: 105%;"><b><span
style="font-size: 10pt; line-height: 105%;
font-family: "Trebuchet
MS","sans-serif"; color: rgb(161,
195, 31);" lang="EN-US">Rik Broers<o:p></o:p></span></b></p>
<p class="MsoNormal" style="line-height: 105%;"><b><i><span
style="font-size: 8pt; line-height: 105%;
font-family: "Trebuchet
MS","sans-serif"; color:
black;" lang="EN-US">Voice Engineer</span></i></b><b><i><span
style="font-size: 8pt; line-height: 105%;
font-family:
"Verdana","sans-serif";
color: black;" lang="EN-US"><o:p></o:p></span></i></b></p>
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</tr>
</tbody>
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<p class="MsoNormal"><span style="color: black;" lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color: black;" lang="EN-US"><o:p> </o:p></span></p>
<div>
<div style="border-right: medium none; border-width: 1pt
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<p class="MsoNormal" style="margin-left: 35.4pt;"><b><span
style="color: windowtext;" lang="EN-US">From:</span></b><span
style="color: windowtext;" lang="EN-US"> Bogdan-Andrei
Iancu [<a class="moz-txt-link-freetext" href="mailto:bogdan@opensips.org">mailto:bogdan@opensips.org</a>]
<br>
<b>Sent:</b> vrijdag 1 november 2013 12:34<br>
<b>To:</b> Rik Broers<br>
<b>Cc:</b> OpenSIPS users mailling list<br>
<b>Subject:</b> Re: [OpenSIPS-Users] uac_auth<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal" style="margin-left: 35.4pt;"><span
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left: 35.4pt;"><tt><span
style="font-size: 10pt;" lang="EN-US">Hello Rik,</span></tt><span
style="font-size: 10pt; font-family: "Courier
New";" lang="EN-US"><br>
<br>
<tt>It may be silly , but are you sure you filled in the
proper credentials (realm, auth user and password) ??</tt><br>
<br>
<tt>Also, based on how the response for digest is computed,
you can double check the OpenSIPS auth response
(calculating the HA and md5 sums as per RFC 2617).</tt><br>
<br>
<tt>Regards,</tt><br>
<br>
</span><span style="font-size: 12pt;" lang="EN-US"><o:p></o:p></span></p>
<pre style="margin-left: 35.4pt;"><span lang="EN-US">Bogdan-Andrei Iancu<o:p></o:p></span></pre>
<pre style="margin-left: 35.4pt;"><span lang="EN-US">OpenSIPS Founder and Developer<o:p></o:p></span></pre>
<pre style="margin-left: 35.4pt;"><a moz-do-not-send="true" href="http://www.opensips-solutions.com"><span lang="EN-US">http://www.opensips-solutions.com</span></a><span lang="EN-US"><o:p></o:p></span></pre>
<p class="MsoNormal" style="margin-left: 35.4pt;"><span
lang="EN-US"><br>
On 11/01/2013 01:09 PM, Rik Broers wrote: <o:p></o:p></span></p>
<blockquote style="margin-top: 5pt; margin-bottom: 5pt;">
<p class="MsoNormal" style="margin-left: 35.4pt;"><span
lang="EN-US">Yes, thats correct. Opensips sends out an
invite with Authorization header as response on the 401
unauthorized.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 35.4pt;"><span
lang="EN-US">This authorization header contains the
correct Nonce.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 35.4pt;"><span
lang="EN-US">Instead of being authorized I receive another
401 unauthorized which opensips replies again with new
nonce and so on until max branches is reached.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 35.4pt;"><span
lang="EN-US"> <o:p></o:p></span></p>
<div>
<p class="MsoNormal" style="margin-left: 35.4pt;">Met
vriendelijke groet,<o:p></o:p></p>
<p class="MsoNormal" style="margin-left: 35.4pt;">Regards,<o:p></o:p></p>
<p class="MsoNormal" style="margin-left: 35.4pt;"> <o:p></o:p></p>
<table class="MsoNormalTable" style="width: 529.15pt;
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<p class="MsoNormal" style="line-height: 105%;"><b><span
style="font-size: 10pt; line-height: 105%;
font-family: "31)";" lang="EN-US">Rik
Broers</span></b><o:p></o:p></p>
<p class="MsoNormal" style="line-height: 105%;"><b><i><span
style="font-size: 8pt; line-height: 105%;"
lang="EN-US">Voice Engineer</span></i></b><o:p></o:p></p>
</td>
</tr>
</tbody>
</table>
<p class="MsoNormal" style="margin-left: 35.4pt;"><span
lang="EN-US"> </span><o:p></o:p></p>
</div>
<p class="MsoNormal" style="margin-left: 35.4pt;"><span
lang="EN-US"> </span><o:p></o:p></p>
<div>
<div style="border-right: medium none; border-width: 1pt
medium medium; border-style: solid none none; padding: 3pt
0cm 0cm; border-color: -moz-use-text-color;">
<p class="MsoNormal" style="margin-left: 70.8pt;"><b><span
style="color: windowtext;" lang="EN-US">From:</span></b><span
style="color: windowtext;" lang="EN-US"> Bogdan-Andrei
Iancu [</span><a moz-do-not-send="true"
href="mailto:bogdan@opensips.org"><span lang="EN-US">mailto:bogdan@opensips.org</span></a><span
style="color: windowtext;" lang="EN-US">]
<br>
<b>Sent:</b> vrijdag 1 november 2013 11:49<br>
<b>To:</b> OpenSIPS users mailling list<br>
<b>Cc:</b> Rik Broers<br>
<b>Subject:</b> Re: [OpenSIPS-Users] uac_auth</span><span
lang="EN-US"><o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><tt><span
style="font-size: 10pt;" lang="EN-US">Hello Rik,</span></tt><span
style="font-size: 10pt; font-family: "Courier New
;","serif";" lang="EN-US"><br>
<br>
</span><tt><span style="font-size: 10pt;" lang="EN-US">So
OpenSIPS generates a new INVITE with credentials (as a
result of the uac_auth() ), but this is also rejected ?</span></tt><span
style="font-size: 10pt; font-family: "Courier New
;","serif";" lang="EN-US"><br>
<br>
</span><tt><span style="font-size: 10pt;" lang="EN-US">Regards,</span></tt><span
style="font-size: 10pt; font-family: "Courier New
;","serif";" lang="EN-US"><br>
<br>
<br>
</span><span lang="EN-US"><o:p></o:p></span></p>
<pre style="margin-left: 70.8pt;"><span lang="EN-US">Bogdan-Andrei Iancu<o:p></o:p></span></pre>
<pre style="margin-left: 70.8pt;"><span lang="EN-US">OpenSIPS Founder and Developer<o:p></o:p></span></pre>
<pre style="margin-left: 70.8pt;"><a moz-do-not-send="true" href="http://www.opensips-solutions.com"><span lang="EN-US">http://www.opensips-solutions.com</span></a><span lang="EN-US"><o:p></o:p></span></pre>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"><br>
On 10/31/2013 11:46 AM, Rik Broers wrote: <o:p></o:p></span></p>
<blockquote style="margin-top: 5pt; margin-bottom: 5pt;">
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">I’m trying to use the uac_auth() function
to add Authorization to my invite after I received a 401
Unauthorized.
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">I call the function in the failure route
and according to Debug the authorization header is
inserted. I also see this in a trace.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">Unfortunately I haven’t been able to
authorize successfully, double checked everything and
also tried with phones to ensure the credentials are
correct and my asterisk is working.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">I’m filling the credentials with a modparam
not with AVP.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">In DBG I see this:
</span><span style="font-size: 9pt; font-family:
"Lucida Console ;";" lang="EN-US">DBG:uac_auth:build_authorization_hdr:
hdr is <Authorization: Digest username="**",
realm="**", nonce="31d5b0d9", uri="***;user=phone",
response="ea344343187f27c668be8fdc3acf8c5a",
algorithm=MD5#015#012></span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">So it seems to match correctly.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">I’m authenticating against Asterisk. And my
failure route looks like this:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
style="font-size: 9pt; font-family: "Lucida Console
;";" lang="EN-US">failure_route</span><span
style="font-size: 9pt;" lang="EN-US">[FailPBX]</span><span
style="font-size: 9pt; font-family: "Lucida Console
;";" lang="EN-US">{</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
style="font-size: 9pt; font-family: "Lucida Console
;";" lang="EN-US"> xlog("Im in failpbx
route")</span><span style="font-size: 9pt; font-family:
"Lucida Console"; color: aqua;" lang="EN-US">;</span><span
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
style="font-size: 9pt; font-family: "Lucida Console
;";" lang="EN-US"> uac_auth()</span><span
style="font-size: 9pt; font-family: "Lucida Console
; color: aqua;","serif";" lang="EN-US">;</span><span
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
style="font-size: 9pt; font-family: "Lucida Console
;";" lang="EN-US"> t_on_failure("FailPBX")</span><span
style="font-size: 9pt; font-family: "Lucida
Console"; color: aqua;" lang="EN-US">;</span><span
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
style="font-size: 9pt; font-family: "Lucida Console
;";" lang="EN-US"> t_relay()</span><span
style="font-size: 9pt; font-family: "Lucida
Console";" lang="EN-US">;</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
style="font-size: 9pt; font-family: "Lucida Console
;";" lang="EN-US">}</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
style="font-size: 9pt; font-family: "Lucida Console
;";" lang="EN-US"> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">What happens is the following<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">-> Invite<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"><- 100 Giving a try<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"><- 401 Unauthorized (Unique nonce 1)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">-> ACK<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">-> invite with authorization header
(unique Nonce 1)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"><- 100 Giving a try<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"><- 401 Unauthorized (Unique nonce 2)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">-> invite with authorization header
(unique Nonce 2)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">….. and so on until
</span><span style="font-size: 9pt; font-family:
"Lucida Console ;";" lang="EN-US">ERROR:tm:add_uac:
maximum number of branches exceeded.</span><span
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">Only thing left for me now is to verify
that the Digest calculated is correct.
<b>How can I do this?</b> What functions should I use on
linux..<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">Below my authorization challenge.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
style=""><img id="Picture_x0020_5"
src="cid:part1.00090209.07030205@opensips.org"
alt="imap://bogdan@opensips.org:993/fetch%3EUID%3E.INBOX%3E191220?header=quotebody&part=1.2&filename=image005.png"
height="31" width="641" border="0"></span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">Or are there any other things I’m missing?<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US">Im using </span>
<span style="font-size: 9pt; font-family: "Lucida
Console";" lang="EN-US">NOTICE:core:main: version:
opensips 1.10.0-notls (x86_64/linux)</span><span
lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left: 70.8pt;">Met
vriendelijke groet,<o:p></o:p></p>
<p class="MsoNormal" style="margin-left: 70.8pt;">Regards,<o:p></o:p></p>
<p class="MsoNormal" style="margin-left: 70.8pt;"> <o:p></o:p></p>
<table class="MsoNormalTable" style="width: 529.15pt;
margin-left: 70.8pt; border-collapse: collapse;"
width="706" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td style="width: 529.15pt; padding: 0cm;"
valign="top" width="706">
<p class="MsoNormal" style="line-height: 105%;"><b><span
style="font-size: 10pt; line-height: 105%;
font-family: "31)";" lang="EN-US">Rik
Broers</span></b><o:p></o:p></p>
<p class="MsoNormal" style="line-height: 105%;"><b><i><span
style="font-size: 8pt; line-height: 105%;
font-family: "Trebuchet MS ,
sans-serif","serif";"
lang="EN-US">Voice Engineer</span></i></b><o:p></o:p></p>
</td>
</tr>
</tbody>
</table>
<p class="MsoNormal" style="margin-left: 70.8pt;"><span
lang="EN-US"> </span><o:p></o:p></p>
<pre style="margin-left: 70.8pt;"> <o:p></o:p></pre>
<pre style="margin-left: 70.8pt;"> <o:p></o:p></pre>
<pre style="margin-left: 70.8pt;">_______________________________________________<o:p></o:p></pre>
<pre style="margin-left: 70.8pt;">Users mailing list<o:p></o:p></pre>
<pre style="margin-left: 70.8pt;"><a moz-do-not-send="true" href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><o:p></o:p></pre>
<pre style="margin-left: 70.8pt;"><a moz-do-not-send="true" href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><o:p></o:p></pre>
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