Lua 3 - Finger Scan

-- HEAD
local comm = require "comm"
local shortport = require "shortport"
description = [[
    Finger Scan Script
]]
author = "boufik"
license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
categories = {"safe"}


-- RULES
portrule = shortport.port_or_service(79, "finger")


-- ACTION
action = function(host, port)
    local try = nmap.new_try()
    return try(comm.exchange(host, port, "\r\n",
    {lines=100, proto=port.protocol, timeout=5000}))
end


-- Bash Run: nmap --script my-script-name localhost