[Plugins-writers] UDP Scan Plugin

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ETBlomquist@private

Hello,

My goal is to create a plugin that accurately identifies an open UDP port
on a remote node.  My first question is, is that even reasonable?

I've been reading the guides on NASL and am fairly confident in my script,
but am unsure of the functions in regard to UDP.  Here's what I've been
testing, but it always displays "Port 2967 is open." whether it's really
open or not.

soc=open_sock_udp(2967);

if(soc) {

   state=get_udp_port_state(soc);

   if(state) {

         display("Port 2967 is open.\n");

   } else {

         display("Port 2967 is not open.\n");

   }

   close(soc);

} else {

   display("The socket didn't open.\n");

}

This is my first look at NASL and plugins, in case you couldn't tell.  So
any help is appreciated.

Thanks,

Ethan

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