From 4c9455b94432d879437cfaab637d31edd78e6724 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= <i@sekai.icu>
Date: Wed, 16 Apr 2025 17:30:41 +0800
Subject: [PATCH] Fix wireguard endpoint

---
 protocol/wireguard/endpoint.go  | 9 ---------
 protocol/wireguard/outbound.go  | 9 ---------
 transport/wireguard/endpoint.go | 6 +-----
 3 files changed, 1 insertion(+), 23 deletions(-)

diff --git a/protocol/wireguard/endpoint.go b/protocol/wireguard/endpoint.go
index c9751c36..2f6825fd 100644
--- a/protocol/wireguard/endpoint.go
+++ b/protocol/wireguard/endpoint.go
@@ -26,11 +26,6 @@ func RegisterEndpoint(registry *endpoint.Registry) {
 	endpoint.Register[option.WireGuardEndpointOptions](registry, C.TypeWireGuard, NewEndpoint)
 }
 
-var (
-	_ adapter.Endpoint                = (*Endpoint)(nil)
-	_ adapter.InterfaceUpdateListener = (*Endpoint)(nil)
-)
-
 type Endpoint struct {
 	endpoint.Adapter
 	ctx            context.Context
@@ -118,10 +113,6 @@ func (w *Endpoint) Close() error {
 	return w.endpoint.Close()
 }
 
-func (w *Endpoint) InterfaceUpdated() {
-	w.endpoint.BindUpdate()
-}
-
 func (w *Endpoint) PrepareConnection(network string, source M.Socksaddr, destination M.Socksaddr) error {
 	return w.router.PreMatch(adapter.InboundContext{
 		Inbound:     w.Tag(),
diff --git a/protocol/wireguard/outbound.go b/protocol/wireguard/outbound.go
index 7a516598..808dade4 100644
--- a/protocol/wireguard/outbound.go
+++ b/protocol/wireguard/outbound.go
@@ -25,11 +25,6 @@ func RegisterOutbound(registry *outbound.Registry) {
 	outbound.Register[option.LegacyWireGuardOutboundOptions](registry, C.TypeWireGuard, NewOutbound)
 }
 
-var (
-	_ adapter.Endpoint                = (*Endpoint)(nil)
-	_ adapter.InterfaceUpdateListener = (*Endpoint)(nil)
-)
-
 type Outbound struct {
 	outbound.Adapter
 	ctx            context.Context
@@ -124,10 +119,6 @@ func (o *Outbound) Close() error {
 	return o.endpoint.Close()
 }
 
-func (o *Outbound) InterfaceUpdated() {
-	o.endpoint.BindUpdate()
-}
-
 func (o *Outbound) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
 	switch network {
 	case N.NetworkTCP:
diff --git a/transport/wireguard/endpoint.go b/transport/wireguard/endpoint.go
index 17a58a6c..bddd2a12 100644
--- a/transport/wireguard/endpoint.go
+++ b/transport/wireguard/endpoint.go
@@ -150,7 +150,7 @@ func (e *Endpoint) Start(resolve bool) error {
 			connectAddr netip.AddrPort
 			reserved    [3]uint8
 		)
-		if len(e.peers) == 1 {
+		if len(e.peers) == 1 && e.peers[0].endpoint.IsValid() {
 			isConnect = true
 			connectAddr = e.peers[0].endpoint
 			reserved = e.peers[0].reserved
@@ -208,10 +208,6 @@ func (e *Endpoint) ListenPacket(ctx context.Context, destination M.Socksaddr) (n
 	return e.tunDevice.ListenPacket(ctx, destination)
 }
 
-func (e *Endpoint) BindUpdate() error {
-	return e.device.BindUpdate()
-}
-
 func (e *Endpoint) Close() error {
 	if e.device != nil {
 		e.device.Close()