update signal handling

cmd/spoof-dpi/main.go

@@ -4,49 +4,57 @@ import (
 	"flag"
 	"log"
 	"os"
-    "os/signal"
-    "syscall"
+	"os/signal"
+	"syscall"
 
 	"github.com/xvzc/SpoofDPI/config"
 	"github.com/xvzc/SpoofDPI/proxy"
-    "github.com/xvzc/SpoofDPI/util"
+	"github.com/xvzc/SpoofDPI/util"
 )
 
 func main() {
-    port := flag.String("port", "8080", "port")
-    dns := flag.String("dns", "8.8.8.8", "DNS server")
-    debug := flag.Bool("debug", false, "true | false")
+	port := flag.String("port", "8080", "port")
+	dns := flag.String("dns", "8.8.8.8", "DNS server")
+	debug := flag.Bool("debug", false, "true | false")
 
-    flag.Parse()
+	flag.Parse()
 
-    err := config.InitConfig(*port, *dns, *debug)
-    if err != nil {
-        os.Exit(1)
-    }
+	err := config.InitConfig(*port, *dns, *debug)
+	if err != nil {
+		os.Exit(1)
+	}
 
-    util.PrintWelcome()
+	util.PrintWelcome()
 
-    err = config.SetOsProxy()
-    if err != nil {
-        log.Fatal(err)
-        os.Exit(1)
-    }
+	err = config.SetOsProxy()
+	if err != nil {
+		log.Fatal(err)
+		os.Exit(1)
+	}
 
-    go proxy.Start()
+	go proxy.Start()
 
-    sigs := make(chan os.Signal, 1)
+	sigs := make(chan os.Signal, 1)
 	done := make(chan bool, 1)
-    signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
 
-    go func() {
+	signal.Notify(
+		sigs,
+		syscall.SIGKILL,
+		syscall.SIGINT,
+		syscall.SIGTERM,
+		syscall.SIGQUIT,
+		syscall.SIGCONT,
+		syscall.SIGHUP)
+
+	go func() {
 		_ = <-sigs
 		done <- true
 	}()
 
-    <-done
-    err = config.UnSetOsProxy()
-    if err != nil {
-        log.Fatal(err)
-        os.Exit(1)
-    }
+	<-done
+	err = config.UnSetOsProxy()
+	if err != nil {
+		log.Fatal(err)
+		os.Exit(1)
+	}
 }