[Kamailio-Users] Check if a user is calling from aregistered device and if not, deny the call!

[arif.zaman]

miconda wrote:
> 
> Hello,
> 
> On 10/19/08 14:32, Arif-Uz-Zaman wrote:
>> Hi,
>>
>> Here is a tricky sample config to check if a user is calling from a
>> registered device and if not, deny the call:
>>
>> $var(temp) = $ruri;
>> $ruri = $fu;
>> if(!registered("location")) {		
>> 	sl_send_reply("403","Forbidden auth ID");
>> 	xlog("<ARIF> Not Found\n");
>> 	exit;
>> }
>> $ruri = $var(temp);
>>   
> 
> in the trunk (so available with upcoming 1.5.0) you can do more strict 
> checks. While you are sure an user is registered, you cannot detect if 
> he is calling from registered device or a different one. You just know 
> it has a valid contact in location database.
> 
> Here is an example to check Contact address in INVITE is same as one in 
> location table:
> http://openser.blogspot.com/2008/10/registrar-enhancements.html
> 
> As you get access to all attributes stored for a location record, you 
> can do many other tests, like source IP and port, etc.
> 
> Cheers,
> Daniel
> 

Yes, i've tested trunk and it works for me!

if(!reg_fetch_contacts("location", "$fu", "caller")) {
   sl_send_reply("403", "Please register first");   
   exit;
}

Thanks,
ARIF

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