Using Freeradius authorization to send data to a microcontroller

[Alan DeKok]

Joeven Rex Dizon wrote:
> In our project, depending on a user's authentication/authorization by
> the server, we need to send an "unlock/lock" byte to a microcontroller
> (connected to /dev/ttyUSB0, by the way).
> 
> So where do I start with the solution? Can I run a certain code/program
> automatically once the server authenticates a user?

  Yes.

> Are there any previous applications similar to this?

  See "man unlang".  You should put the program into back-ticks, like in
the shell.

  e.g.

	if (`/path/to/program`) {
		...
	}

  Alan DeKok.