id = "Service Banner"

description = "Connects to all TCP services, and echos the response back."

author = "Joshua D. Abraham <jabra@spl0it.org>"

license = "See nmaps COPYING for licence"

categories = {"jabra"}

require "shortport"

portrule = function(host, port)
    if (port.protocol == "tcp") then
        return true
    else 
        return false
    end
end

action = function(host, port)
	local result, socket

	local catch = function()
		socket:close()
	end

	local try = nmap.new_try(catch)

	result = ""
	socket = nmap.new_socket()

	try(socket:connect(host.ip, port.number))

	result = try(socket:receive_lines(1));
	try(socket:close())

	return "" .. string.gsub(result, "\n", "") 
end