Files
NTrace-core/main.go
2022-05-23 17:00:24 +08:00

102 lines
2.7 KiB
Go

package main
import (
"flag"
"fmt"
"log"
"os"
"time"
"github.com/xgadget-lab/nexttrace/ipgeo"
"github.com/xgadget-lab/nexttrace/printer"
"github.com/xgadget-lab/nexttrace/reporter"
"github.com/xgadget-lab/nexttrace/trace"
"github.com/xgadget-lab/nexttrace/util"
)
var tcpSYNFlag = flag.Bool("T", false, "Use TCP SYN for tracerouting (default port is 80)")
var udpPackageFlag = flag.Bool("U", false, "Use UDP Package for tracerouting (default port is 53 in UDP)")
var port = flag.Int("p", 80, "Set SYN Traceroute Port")
var numMeasurements = flag.Int("q", 3, "Set the number of probes per each hop.")
var parallelRequests = flag.Int("r", 18, "Set ParallelRequests number. It should be 1 when there is a multi-routing.")
var maxHops = flag.Int("m", 30, "Set the max number of hops (max TTL to be reached).")
var dataOrigin = flag.String("d", "LeoMoeAPI", "Choose IP Geograph Data Provider [LeoMoeAPI, IP.SB, IPInfo, IPInsight]")
var rdnsenable = flag.Bool("rdns", false, "Set whether rDNS will be display")
var routePath = flag.Bool("report", false, "Route Path")
var realtimePrint = flag.Bool("realtime", false, "Output trace results in runtime")
var tablePrint = flag.Bool("table", false, "Output trace results as table")
func flagApply() string {
flag.Parse()
ipArg := flag.Args()
if flag.NArg() != 1 {
fmt.Println("Args Error\nUsage : ./nexttrace [-T] [-rdns] [-displayMode <displayMode>] [-d <dataOrigin> ] [ -m <hops> ] [ -p <port> ] [ -q <probes> ] [ -r <parallelrequests> ] <hostname>")
os.Exit(2)
}
return ipArg[0]
}
func main() {
if os.Getuid() != 0 {
log.Fatalln("Traceroute requires root/sudo privileges.")
}
domain := flagApply()
ip := util.DomainLookUp(domain)
printer.PrintTraceRouteNav(ip, domain, *dataOrigin)
var m trace.Method = ""
switch {
case *tcpSYNFlag:
m = trace.TCPTrace
case *udpPackageFlag:
m = trace.UDPTrace
default:
m = trace.ICMPTrace
}
if !*tcpSYNFlag && *port == 80 {
*port = 53
}
var conf = trace.Config{
DestIP: ip,
DestPort: *port,
MaxHops: *maxHops,
NumMeasurements: *numMeasurements,
ParallelRequests: *parallelRequests,
RDns: *rdnsenable,
IPGeoSource: ipgeo.GetSource(*dataOrigin),
Timeout: 2 * time.Second,
}
if m == trace.ICMPTrace && !*tablePrint {
conf.RealtimePrinter = printer.RealtimePrinter
}
res, err := trace.Traceroute(m, conf)
if err != nil {
log.Fatalln(err)
}
if *routePath {
r := reporter.New(res, ip.String())
r.Print()
return
}
if m == trace.ICMPTrace && *tablePrint {
printer.TracerouteTablePrinter(res)
}
if m == trace.TCPTrace || m == trace.UDPTrace {
if *realtimePrint {
printer.TraceroutePrinter(res)
} else {
printer.TracerouteTablePrinter(res)
}
}
}