Esempio n. 1
0
func main() {
	var m = flag.Int("m", traceroute.DEFAULT_MAX_HOPS, `Set the max time-to-live (max number of hops) used in outgoing probe packets (default is 64)`)
	var q = flag.Int("q", 1, `Set the number of probes per "ttl" to nqueries (default is one probe).`)

	flag.Parse()
	host := flag.Arg(0)
	options := traceroute.TracerouteOptions{}
	options.SetRetries(*q - 1)
	options.SetMaxHops(*m + 1)

	ipAddr, err := net.ResolveIPAddr("ip", host)
	if err != nil {
		return
	}

	fmt.Printf("traceroute to %v (%v), %v hops max, %v byte packets\n", host, ipAddr, options.MaxHops(), options.PacketSize())

	c := make(chan traceroute.TracerouteHop, 0)
	go func() {
		for {
			hop, ok := <-c
			if !ok {
				fmt.Println()
				return
			}
			printHop(hop)
		}
	}()

	_, err = traceroute.Traceroute(host, &options, c)
	if err != nil {
		fmt.Printf("Error: ", err)
	}
}
Esempio n. 2
0
func routetrace(hostname string, nodes chan string, end chan bool) {
	c := make(chan traceroute.TracerouteHop, 0)
	go func() {
		for {
			hop, ok := <-c
			if !ok {
				end <- true
				return
			}
			log.Println("hop is there")
			log.Println(hop.AddressString())
			nodes <- hop.AddressString()
		}
	}()

	log.Printf("trying to reach %v servers\n", hostname)
	out, err := traceroute.Traceroute(hostname, new(traceroute.TracerouteOptions), c)
	if err == nil {
		if len(out.Hops) == 0 {
			log.Println("Expected at least one hop")
		}
	} else {
		log.Printf("Traceroute failed due to an error: %v", err)
	}
}
Esempio n. 3
0
func main() {
	var m = flag.Int("m", traceroute.DEFAULT_MAX_HOPS, `Set the max time-to-live (max number of hops) used in outgoing probe packets (default is 64)`)
	var q = flag.Int("q", 1, `Set the number of probes per "ttl" to nqueries (default is one probe).`)
	var d = flag.String("d", "GeoLite2-City.mmdb", `IP locate database path (default is 17monipdb.dat)`)

	flag.Parse()
	host := flag.Arg(0)
	db, err := geoip2.Open(*d)
	if err != nil {
		fmt.Printf("Unvalied IP locate database (%s) with error: %s\n", d, err.Error())
		fmt.Println("Please provider a vailided IP locate database (download from here: http://geolite.maxmind.com/download/geoip/database/GeoLite2-City.mmdb.gz)")
		os.Exit(1)
	}
	defer db.Close()

	options := traceroute.TracerouteOptions{}

	options.SetRetries(*q - 1)
	options.SetMaxHops(*m + 1)

	ipAddr, err := net.ResolveIPAddr("ip", host)
	if err != nil {
		return
	}

	fmt.Printf("traceroute to %v (%v), %v hops max, %v byte packets\n", host, ipAddr, options.MaxHops(), options.PacketSize())

	c := make(chan traceroute.TracerouteHop, 0)
	coords := make([]Coord, 0)
	lastCity := ""
	go func() {
		for {
			hop, ok := <-c
			if !ok {
				fmt.Println()
				return
			}
			coord, err := printHop(db, hop)
			if err == nil && coord.City != lastCity {
				lastCity = coord.City
				coords = append(coords, coord)
			}
		}
	}()

	_, err = traceroute.Traceroute(host, &options, c)
	if err != nil {
		if err.Error() == "operation not permitted" {
			fmt.Println("Operation not permitted (Maybe with sudo?)")
		} else {
			fmt.Printf("Error: ", err)
		}
	} else {
		fmt.Printf("Visualize URL: %s\n", imageURL(coords))
	}
}