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<p class="MsoNormal"><a name="_MailEndCompose"><span lang="EN-US" style="color:black">Yes, thats correct. Opensips sends out an invite with Authorization header as response on the 401 unauthorized.<o:p></o:p></span></a></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">This authorization header contains the correct Nonce.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">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"><span lang="EN-US" style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black;mso-fareast-language:NL">Met vriendelijke groet,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black;mso-fareast-language:NL">Regards,</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="line-height:105%"><b><span lang="EN-US" style="font-size:10.0pt;line-height:105%;font-family:"Trebuchet MS","sans-serif";color:#A1C31F;mso-fareast-language:NL">Rik Broers<o:p></o:p></span></b></p>
<p class="MsoNormal" style="line-height:105%"><b><i><span lang="EN-US" style="font-size:8.0pt;line-height:105%;font-family:"Trebuchet MS","sans-serif";color:black;mso-fareast-language:NL">Voice Engineer</span></i></b><b><i><span lang="EN-US" style="font-size:8.0pt;line-height:105%;font-family:"Verdana","sans-serif";color:black;mso-fareast-language:NL"><o:p></o:p></span></i></b></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:black;mso-fareast-language:NL"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><b><span lang="EN-US" style="color:windowtext;mso-fareast-language:NL">From:</span></b><span lang="EN-US" style="color:windowtext;mso-fareast-language:NL"> Bogdan-Andrei Iancu [mailto:bogdan@opensips.org]
<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<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><tt><span style="font-size:10.0pt">Hello Rik,</span></tt><span style="font-size:10.0pt;font-family:"Courier New""><br>
<br>
<tt>So OpenSIPS generates a new INVITE with credentials (as a result of the uac_auth() ), but this is also rejected ?</tt><br>
<br>
<tt>Regards,</tt><br>
<br>
</span><span style="font-size:12.0pt;mso-fareast-language:NL"><o:p></o:p></span></p>
<pre style="margin-left:35.4pt">Bogdan-Andrei Iancu<o:p></o:p></pre>
<pre style="margin-left:35.4pt">OpenSIPS Founder and Developer<o:p></o:p></pre>
<pre style="margin-left:35.4pt"><a href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a><o:p></o:p></pre>
<p class="MsoNormal" style="margin-left:35.4pt"><br>
On 10/31/2013 11:46 AM, Rik Broers wrote: <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt">Hi,<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><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.
</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><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.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><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.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">I’m filling the credentials with a modparam not with AVP.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">In DBG I see this:
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console ;","serif"">DBG:uac_auth:build_authorization_hdr: hdr is <Authorization: Digest username="**", realm="**", nonce="31d5b0d9", uri="***;user=phone", response="ea344343187f27c668be8fdc3acf8c5a",
algorithm=MD5#015#012></span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">So it seems to match correctly.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">I’m authenticating against Asterisk. And my failure route looks like this:</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console"">failure_route</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console";color:#00BB00">[FailPBX]</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console"">{</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console""> xlog("Im in failpbx route")</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console";color:aqua">;</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console""> uac_auth()</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console";color:aqua">;</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console""> t_on_failure("FailPBX")</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console";color:aqua">;</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console"">
</span><span style="font-size:9.0pt;font-family:"Lucida Console ;","serif"">t_relay()</span><span style="font-size:9.0pt;font-family:"Lucida Console ;","serif";color:aqua">;</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="font-size:9.0pt;font-family:"Lucida Console"">}</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span style="font-size:9.0pt;font-family:"Lucida Console""> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">What happens is the following</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">-> Invite</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><- 100 Giving a try</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><- 401 Unauthorized (Unique nonce 1)</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">-> ACK</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">-> invite with authorization header (unique Nonce 1)</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><- 100 Giving a try</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><- 401 Unauthorized (Unique nonce 2)</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">-> invite with authorization header (unique Nonce 2)</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">….. and so on until
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console ;","serif"">ERROR:tm:add_uac: maximum number of branches exceeded.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><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..</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">Below my authorization challenge.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><img border="0" width="641" height="31" id="Picture_x0020_5" src="cid:image001.png@01CED6FB.453FAF60"><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">Or are there any other things I’m missing?</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">Im using </span>
<span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Console ;","serif"">NOTICE:core:main: version: opensips 1.10.0-notls (x86_64/linux)</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><o:p></o:p></p>
<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>
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<p class="MsoNormal" style="line-height:105%"><b><span lang="EN-US" style="font-size:10.0pt;line-height:105%;font-family:"31)","serif"">Rik Broers</span></b><o:p></o:p></p>
<p class="MsoNormal" style="line-height:105%"><b><i><span lang="EN-US" style="font-size:8.0pt;line-height:105%;font-family:"Trebuchet MS , sans-serif ;","serif"">Voice Engineer</span></i></b><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> </span><o:p></o:p></p>
<pre style="margin-left:35.4pt"><o:p> </o:p></pre>
<pre style="margin-left:35.4pt"><o:p> </o:p></pre>
<pre style="margin-left:35.4pt">_______________________________________________<o:p></o:p></pre>
<pre style="margin-left:35.4pt">Users mailing list<o:p></o:p></pre>
<pre style="margin-left:35.4pt"><a href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><o:p></o:p></pre>
<pre style="margin-left:35.4pt"><a 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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