Time for action – using unlang to create a data counter

We first have to ensure that certain things are in place in order for this exercise to be successful. The following items should be completed first as preparation:

  • Define custom attributes in the dictionary.
  • Create Perl scripts that will be used by the FreeRADIUS perl module.
  • Update Mikrotik and Chillispot dictionaries.
  • Prepare the users file.
  • Prepare the SQL database.
  • Add unlang code to the virtual server to serve as a data counter.
  • Identify the LD_PRELOAD bug, if present.

There is a lot of work involved in this exercise. Following a divide and conquer approach will prevent us from being overwhelmed. Let's tackle it!

Defining custom attributes

We have seen from the introduction to unlang that the ...

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