[OpenSIPS-Devel] Scripting problem RFC5090/Diameter

[Alexandre Westfahl (アレックサンドル ウエ]

My changes are just hack, it may not be optimized. I will make you an
archive today but could you tell me if fixup_pvar_pvar is supposed to do the
job correctly? I would like to solve this asap to continue.

Regards,
Alexandre.

On Fri, Jun 4, 2010 at 4:59 AM, Bogdan-Andrei Iancu
<bogdan at voice-system.ro>wrote:

> Hi Alexandre,
>
> Could you please send an unified diff with your changes?
>
> Regards,
> Bogdan
>
> Alexandre Westfahl (アレックサンドル ウエスファル) wrote:
> > Hello,
> >
> > I am using OpenSIPS with auth_radius module to simulate to radius
> > client with my Diameter/Radius Gateway. With scripting variables I
> > succeeded for a part but I still have some problems. I change some
> > functions to make opensips and my requests fully compliant to RFC 5090.
> >
> > First, there is some bugs in names. For example, two variables have
> > the same name and one of them was with the wrong number to parse. Here
> > is a propose change:
> > pvar.c
> >
> >     {{"an", (sizeof("an")-1)}, /* */
> >     PVT_AUTH_NONCE, pv_get_authattr, 0,
> >     0, 0, pv_init_iname, 5},
> >     {{"aR", (sizeof("aR")-1)}, /* */
> >     PVT_AUTH_RESPONSE, pv_get_authattr, 0,
> >     0, 0, pv_init_iname, 6},
> >
> >
> > Second, I changed some functions in aaa_radius because I need high
> > customization (to make it compliant with RFC5090).
> > I changed "proxy_challenge" and I want to give as parameters realm and
> > nonce (nonce must be done on diameter server). I succeeded in making
> > static parameters but if I try this:
> >
> >     xlog("realm: $var(realm), nonce: $var(nonce)\n");
> >     proxy_challenge( "$var(realm)", "$var(nonce)");
> >
> > In xlog, everything is Ok but in proxy_challenge, I obtain variables
> > as they are, e.g."$var(realm)". It's hard to get into opensips source
> > in just one day but I found that there is a translator in auth_mod.c.
> > Here is the non controlled.
> >
> >     {"proxy_challenge", (cmd_function)proxy_challenge, 2,
> >     0, 0, REQUEST_ROUTE},
> >
> > Obtained values are as I said before.
> >
> > If I try, to activate a translator:
> >
> >     {"proxy_challenge", (cmd_function)proxy_challenge, 2,
> >     fixup_pvar_pvar, 0, REQUEST_ROUTE},
> >
> > It's supposed to work but I obtain "N" for both values.
> >
> >
> > For information, here is my opensips.cfg:
> >
> >     # We are in REGISTER part!
> >     $var(method)="REGISTER";
> >
> >
> >     if ($adu == NULL)
> >     {
> >     radius_send_auth("Frequest","challenge");
> >     #Digest-Realm = $var(realm),Digest-Nonce = $var(nonce),Digest-Qop
> >     = $var(qop),Digest-Algorithm = $var(algorithm)
> >
> >     xlog("realm: $var(realm), nonce: $var(nonce)\n");
> >
> >     proxy_challenge( "$var(realm)", "$var(nonce)");
> >     exit;
> >     }
> >     else
> >     {
> >     radius_send_auth("request","result");
> >     xlog( "SECOND REQUEST!!!!!!!!!!!!!!!\n");
> >     }
> >     xlog("**********************************OUT");
> >
> >
> > I changed all functions after proxy_challenge (like challenge...) to
> > give the nonce, don't ask for qop (always on) and don't manage nonce
> > index as it's not sip server job.
> >
> >
> > I hope I was clear in my questions.
> >
> > Thanks
> >
> > Best regards,
> > Alexandre Westfahl,
> > Keio University, Yokohama
> > Teraoka Lab.
> > Linux User: #458230
> > PGP: EACE5768
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > Devel mailing list
> > Devel at lists.opensips.org
> > http://lists.opensips.org/cgi-bin/mailman/listinfo/devel
> >
>
>
> --
> Bogdan-Andrei Iancu
> www.voice-system.ro
>
>
> _______________________________________________
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> Devel at lists.opensips.org
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>



-- 
Alexandre Westfahl,
Keio University, Yokohama
Teraoka Lab.
Linux User: #458230
PGP: EACE5768
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