Add IPv6 support to SSH server, client config, and netflow logger

client/internal/netflow/logger/logger.go

@@ -24,15 +24,17 @@ type Logger struct {
 	cancel             context.CancelFunc
 	statusRecorder     *peer.Status
 	wgIfaceNet         netip.Prefix
+	wgIfaceNetV6       netip.Prefix
 	dnsCollection      atomic.Bool
 	exitNodeCollection atomic.Bool
 	Store              types.Store
 }
 
-func New(statusRecorder *peer.Status, wgIfaceIPNet netip.Prefix) *Logger {
+func New(statusRecorder *peer.Status, wgIfaceIPNet, wgIfaceIPNetV6 netip.Prefix) *Logger {
 	return &Logger{
 		statusRecorder: statusRecorder,
 		wgIfaceNet:     wgIfaceIPNet,
+		wgIfaceNetV6:   wgIfaceIPNetV6,
 		Store:          store.NewMemoryStore(),
 	}
 }
@@ -88,11 +90,11 @@ func (l *Logger) startReceiver() {
 			var isSrcExitNode bool
 			var isDestExitNode bool
 
-			if !l.wgIfaceNet.Contains(event.SourceIP) {
+			if !l.isOverlayIP(event.SourceIP) {
 				event.SourceResourceID, isSrcExitNode = l.statusRecorder.CheckRoutes(event.SourceIP)
 			}
 
-			if !l.wgIfaceNet.Contains(event.DestIP) {
+			if !l.isOverlayIP(event.DestIP) {
 				event.DestResourceID, isDestExitNode = l.statusRecorder.CheckRoutes(event.DestIP)
 			}
 
@@ -136,6 +138,10 @@ func (l *Logger) UpdateConfig(dnsCollection, exitNodeCollection bool) {
 	l.exitNodeCollection.Store(exitNodeCollection)
 }
 
+func (l *Logger) isOverlayIP(ip netip.Addr) bool {
+	return l.wgIfaceNet.Contains(ip) || (l.wgIfaceNetV6.IsValid() && l.wgIfaceNetV6.Contains(ip))
+}
+
 func (l *Logger) shouldStore(event *types.EventFields, isExitNode bool) bool {
 	// check dns collection
 	if !l.dnsCollection.Load() && event.Protocol == types.UDP &&

client/internal/netflow/logger/logger_test.go

@@ -12,7 +12,7 @@ import (
 )
 
 func TestStore(t *testing.T) {
-	logger := logger.New(nil, netip.Prefix{})
+	logger := logger.New(nil, netip.Prefix{}, netip.Prefix{})
 	logger.Enable()
 
 	event := types.EventFields{