scnlan

//command: scnlan
formatstring= function(len,string)
    newstring=" "*len
    newstring=""+newstring[0:len-string.len]+string
    return newstring
end function
if params.len then
    if is_valid_ip(params[0]) then
        info= "Scanning network @ <color=#00ff00>"+formatstring(15,params[0])+" "
        router = get_router(params[0])
        if router then
            ips = [router.local_ip]+router.computers_lan_ip
        end if
    else
        print("<b><u>Usage:</b></u>")
        print("<b>scnlan [Ip Adress]<b>")
        print("<i>scan a distant network and show all services running on the network</i>")
        print("<b>scnlan <b>")
        print("<i>scan a local network and show all services on all computers</i>")
        exit
    end if
else
    info= "Scanning Local network             "
    router = get_router
    ips = [router.local_ip]+router.computers_lan_ip
end if
if not router then
    info= "<B>invalid ip Scanning Local network</B>"
    router = get_router
    ips = [router.local_ip]+router.computers_lan_ip
end if
computer = get_shell.host_computer
if not router or not computer.is_network_active then exit("Not connected to the network.")
ips = [router.local_ip]+router.computers_lan_ip
print("+----------------------------------------------+-----+")
print("| Advanced Lan Scanner                         |<u>V.1.0</u>|")
print("| "+info+"                |")
print("+-------------------+---------------------------------")
for ipAddress in ips
    isRouterIp = router.local_ip == ipAddress
    ports = null
    isLanIp = is_lan_ip( ipAddress )
    info=""
    if not isLanIp or isRouterIp then
        ports = router.used_ports
        print("|   "+formatstring(15,"[Router]")+" |                                |")
        print("|   "+formatstring(15,ipAddress)+" |  Port  status   informations   |")
    else
        ports = router.computer_ports(ipAddress)
        if ports.len>0 then
            print("|   "+formatstring(15,ipAddress)+" |  Port  status   informations   |")
        else
            print("|   "+formatstring(15,ipAddress)+" |    No opened ports detected    |")
        end if
    end if
    if ports!= null then
        for port in ports
            service_info = router.port_info(port)
            lan_ips = port.get_lan_ip
            port_status = "open"
            if(port.is_closed and not isLanIp) then
                port_status = "closed"
            end if
            print( "|                   |"+formatstring(6,str(port.port_number)) + "  " + formatstring(6,port_status) + " " + formatstring(15,service_info) + "  |")
        end for
    end if
    print("+----------------------------------------------------+")
    end for