Callhomes? How?

[Blaine0002]

So i have been looking for a way to put something in the code i sell that allows me to track what domains they are being used on. I have asked around and i heard a callhome would be a simple way to do this without buying a large encoder or authentication system. I have googled around have found nothing on the subject, i know they are insecure and can be removed easily, but i would like to know how to do this.

Thanks

[MasterACE14]

if they download your scripts from your website, why not make a form they can put their e-mail address, and website address into prior to downloading?

 

And I haven't heard of a callhome script or whatever either 

 

Regards ACE

[corbin]

Blaine0002, do you mean something along the idea of:

 

-php script connects to remote site

-remote site logs and authorizes script

-php script keeps running

 

If that's what you mean, then that's useless without encoding.....

 

It could also be a severe performance hit.

 

Anyway, I would look into fsockopen and headers or cURL.

[Blaine0002]

(maybe they could be called callbacks?)

 

Something like that, yeah it could be useless, but thats debateable. Vbulletin dosent encode theirs.

 

but im just looking for a log that tells me what domains the code is being run on

 

 

Once i have that i can compare it to a database containing valid domains, and print out a table of valid domains and invalid domains and i can pursue the invalids isp or whatever.

 

[corbin]

it could be something as simple as:

 

function LogView() {
     $host = $_SERVER['HTTP_HOST'];
     if($f = @file_get_contents('http://yoursite.com/log.php?domain='.urlencode($host))) return true;
     return false;
}

 

You would of course need log.php to log the domain name.

 

Also, if you look around (I'm NOT encouraging this), you will see that you can easily find a cracked vBul copy.

 

Making a remote request like that can go horribly wrong if your site takes a while to respond....

 

Edit:

 

Oh, I forgot.... To file_get_contents() or fopen() a url, you have to have fopenurl set to On in php.ini.

That's not the actual setting name, but it's something like that ;p.

[Blaine0002]

Thanks  for the help!

 

I have no need to look for an illegal version of vbulletin because i own a legal license.