[Freeswitch-users] Radius AAA

Sat Nov 13 00:04:54 PST 2010

Dear Tihomir,
I think you did not understand what my problem is. Let me explain.
I know that I can evaluate the response from auth_function and act accordingly (bridge or not bridge the call according to auth result). This part is ok and I can do it because I am getting OK or NOK in AUTH_RESULT. The issue is I need to disconnect the call after scheduled number of seconds returned by radius in h323-credit-time attribute whose value in this case is not being populated into credit_time parameter of FS.
If you still do not understand, lets put it this way that even if I use the mod_rad_auth.conf.xml and dialplan configuration you sent, still the FS is not able to obtain the value of credit_amount and credit_time although radius response parameters are received by the server.
Also I have checked in mod_rad_auth.c file that all entries related to credit_amount, billing_model etc are commented and credit_time does not even exist in that file.
Thanks.
Regards-------------Abid Saleem
Date: Thu, 11 Nov 2010 12:58:13 +0100
From: tculjaga at gmail.com
To: freeswitch-users at lists.freeswitch.org
Subject: Re: [Freeswitch-users] Radius AAA

On Thu, Nov 11, 2010 at 8:27 AM, Abid Saleem <abid_freeswitch at live.com> wrote:

Dear Tihomir,
Good day. I am still waiting for your answer on the below subject. Could you please guide me further so I can fix this issue with mod_rad_auth. I hope you understand what is my problem.

Abid, i cannot write the dialplan for you. This part you should do by yourself. I have explained how this module is supposed to work... and it really does.

you need to evaluate the response from auth_function and act accordingly (bridge or not bridge the call according to auth result)

again, here is an example:

module config:

<configuration name="rad_auth.conf" description="radius authentification module">
  <settings>
     <!-- backward compatibility to allow radiusclient config file instead of an embedded config -->

     <param name="radius_config" value="/usr/local/etc/radiusclient/radiusclient.conf"/>  
  </settings>

  <client>
    <param name="authserver" value="x.x.x.x:1812:gateway"/> 

    <param name="authserver" value="x.x.x.x:1812:gateway"/>
    <param name="dictionary" value="/usr/local/etc/radiusclient/dictionary.all"/>
    <param name="seqfile" value="/var/run/radius.seq"/>

    <param name="mapfile" value="/usr/local/etc/radiusclient/port-id-map"/>
    <param name="default_realm" value=""/>
    <param name="radius_timeout" value="2"/>

    <param name="radius_retries" value="1"/>
    <param name="radius_deadtime" value="60"/>
    <param name="bindaddr" value="*"/> 
  </client>

  <vsas>
    <!-- 
         name:       just a description
         value:      direct input or variable 
         pec:        vendor ID (0 for default, 9 for cisco...)
         expr:       1 for channel variable, 2 for direct input

         direction:  in for radius-request, out for radius-response
    -->

    <!-- mappings for radius request message; input attributes -->
    <param name="h323-conf-id" id="24" value="CALLID" pec="9" expr="1" direction="in"/>

    <param name="Calling-Station-Id" id="31" value="CALLINGNUMBER" pec="0" expr="1" direction="in"/> 
    <param name="NAS-Port-Type" id="61" value="0" pec="0" expr="0" direction="in"/>

    <param name="NAS-Port-Id" id="87" value="ISDN 3/0:D:14" pec="0" expr="0" direction="in"/>
    <param name="Login-User" id="1" value="1" pec="0" expr="0" direction="in"/>

    <!-- mappings for radius-response message; output values from returning outributes -->
    <param name="CREDIT_AMOUNT" id="101" value="credit_amount" pec="9" expr="0" direction="out"/>

    <param name="CREDIT_TIME" id="102" value="credit_time" pec="9" expr="0" direction="out"/>
    <param name="RADIUS_RETURN_CODE" id="103" value="return_code" pec="9" expr="0" direction="out"/>

    <!-- expr param is to be ignored here-->
  </vsas>
</configuration>

  <extension name="RADIUS_ANI_AUTH">
    <condition field="destination_number" expression="^RADIUS_ANI_AUTH$">

      <action application="log" data="INFO  Before Auth "/>
      <action application="auth_function" data="in ${DIALED_NUMBER}, in ${USERNAME}, in ${PASSWD}, out AUTH_RESULT"/>

      <action application="execute_extension" data="CHECK_IF_AUTORIZED XML default"/>
    </condition>
  </extension>

  <extension name="CHECK_IF_AUTORIZED">

    <condition field="destination_number" expression="^CHECK_IF_AUTORIZED$"/>
    <condition field="${ANI_AUTH_RESULT}" expression="^NOK$">
      <action application="log" data="INFO ################# Unauthorized - reject call ################\n"/>

      <action application="playback" data="/path/to/file/your_call_is_not_authorized.wav"/>
      <action application="playback" data="/path/to/file/your_call_will_disconnect.wav"/>

      <action application="hangup" data="CALL_REJECTED"/>

      <anti-action application="log" data="INFO ################# Authorized - let it go! ################\n"/>

      <anti-action application="log" data="INFO ################# Radius returned attributes - start ################\n"/>
      <anti-action application="log" data="INFO  AUTH_RESULT=${AUTH_RESULT}"/>

      <anti-action application="log" data="INFO  billing_model=${billing_model}"/>
      <anti-action application="log" data="INFO  credit_amount=${credit_amount}"/>

      <anti-action application="log" data="INFO  currency=${currency}"/>
      <anti-action application="log" data="INFO  preffered_lang=${preffered_lang}"/>
      <anti-action application="log" data="INFO  credit_time=${credit_time}"/>

      <anti-action application="log" data="INFO  h323_ivr_duration=${h323_ivr_duration}"/>
      <anti-action application="log" data="INFO  return_code=${return_code}"/>

      <anti-action application="log" data="INFO ################# Radius returned attributes - end ################\n"/>
    </condition>
  </extension>

  <extension name="Local_Extension">
    <condition field="destination_number" expression="^(10[01][0-9])$">
      <action application="set" data="dialed_extension=$1"/>

      <action application="export" data="dialed_extension=$1"/>

      <action inline="true" application="set" data="CALLID=h323-conf-id=${uuid}"/>
      <action inline="true" application="set" data="CALLINGNUMBER=${caller_id_number}"/>

      <action inline="true" application="set" data="USERNAME=${caller_id_number}"/>
      <action inline="true" application="set" data="PASSWD=1234"/>

      <action inline="true" application="set" data="DIALED_NUMBER=${dialed_extension}"/> 

      <action application="execute_extension" data="RADIUS_ANI_AUTH XML default"/>

       <!-- bind_meta_app can have these args <key> [a|b|ab] [a|b|o|s] <app> -->
       <action application="bind_meta_app" data="1 b s execute_extension::dx XML features"/>

       <action application="bind_meta_app" data="2 b s record_session::$${recordings_dir}/${caller_id_number}.${strftime(%Y-%m-%d-%H-%M-%S)}.wav"/>
       <action application="bind_meta_app" data="3 b s execute_extension::cf XML features"/>

       <action application="set" data="ringback=${us-ring}"/>
       <action application="set" data="transfer_ringback=$${hold_music}"/>
       <action application="set" data="call_timeout=30"/>

       <!-- <action application="set" data="sip_exclude_contact=${network_addr}"/> -->

       <action application="set" data="hangup_after_bridge=true"/>

       <!--<action application="set" data="continue_on_fail=NORMAL_TEMPORARY_FAILURE,USER_BUSY,NO_ANSWER,TIMEOUT,NO_ROUTE_DESTINATION"/> -->
       <action application="set" data="continue_on_fail=true"/>

       <action application="hash" data="insert/${domain_name}-call_return/${dialed_extension}/${caller_id_number}"/>
       <action application="hash" data="insert/${domain_name}-last_dial_ext/${dialed_extension}/${uuid}"/>

       <action application="set" data="called_party_callgroup=${user_data(${dialed_extension}@${domain_name} var callgroup)}"/>
       <!--<action application="export" data="nolocal:sip_secure_media=${user_data(${dialed_extension}@${domain_name} var sip_secure_media)}"/>-->

       <action application="hash" data="insert/${domain_name}-last_dial/${called_party_callgroup}/${uuid}"/>

       <action application="bridge" data="user/${dialed_extension}@${domain_name}"/>

       <action application="answer"/>
       <action application="sleep" data="1000"/>
       <action application="voicemail" data="default ${domain_name} ${dialed_extension}"/>

    </condition>
  </extension>

If you still have issues, contact me off the list and provide access to the server... i don't know what to say to you anymore on this topic.

its more than clear.

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