Add windowskext integration, update related packages

firewall/interception/windowskext/test/main.go

@@ -0,0 +1,110 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/Safing/portbase/log"
+	"github.com/Safing/portmaster/firewall/interception/windowskext"
+	"github.com/Safing/portmaster/network/packet"
+)
+
+var (
+	packets chan packet.Packet
+)
+
+func main() {
+
+	// check parameter count
+	if len(os.Args) < 3 {
+		fmt.Printf("usage: %s <dll> <sys>", os.Args[0])
+		os.Exit(1)
+	}
+
+	// check parameters
+	for i := 1; i < 3; i++ {
+		if _, err := os.Stat(os.Args[i]); err != nil {
+			fmt.Printf("could not access %s: %s", os.Args[i], err)
+			os.Exit(2)
+		}
+	}
+
+	// logging
+	log.Start()
+	log.Info("starting Portmaster Windows Kext Test Program")
+
+	// init
+	err := windowskext.Init(os.Args[1], os.Args[2])
+	if err != nil {
+		panic(err)
+	}
+
+	// start
+	err = windowskext.Start()
+	if err != nil {
+		panic(err)
+	}
+
+	packets = make(chan packet.Packet, 1000)
+	go windowskext.Handler(packets)
+	go handlePackets()
+
+	// catch interrupt for clean shutdown
+	signalCh := make(chan os.Signal)
+	signal.Notify(
+		signalCh,
+		os.Interrupt,
+		syscall.SIGHUP,
+		syscall.SIGINT,
+		syscall.SIGTERM,
+		syscall.SIGQUIT,
+	)
+	<-signalCh
+	fmt.Println(" <INTERRUPT>")
+	log.Warning("program was interrupted, shutting down")
+
+	// stop
+	err = windowskext.Stop()
+	if err != nil {
+		fmt.Printf("error stopping: %s\n", err)
+	}
+
+	log.Info("shutdown complete")
+	log.Shutdown()
+
+	os.Exit(0)
+}
+
+func handlePackets() {
+	for {
+		pkt := <-packets
+
+		if pkt == nil {
+			log.Infof("stopped handling packets")
+			return
+		}
+
+		log.Infof("received packet: %s", pkt)
+
+		data, err := pkt.GetPayload()
+		if err != nil {
+			log.Errorf("failed to get payload: %s", err)
+		} else {
+			log.Infof("payload is: %x", data)
+		}
+
+		// reroute dns requests to nameserver
+		if pkt.IsOutbound() && !pkt.Info().Src.Equal(pkt.Info().Dst) && pkt.Info().DstPort == 53 {
+			log.Infof("rerouting %s", pkt)
+			pkt.RerouteToNameserver()
+			continue
+		}
+
+		// accept all
+		log.Infof("accepting %s", pkt)
+		pkt.PermanentAccept()
+
+	}
+}