platform: Add http proxy support for Windows

protocol/tailscale/endpoint.go

@@ -250,7 +250,7 @@ func (t *Endpoint) Start(stage adapter.StartStage) error {
 }
 
 func (t *Endpoint) start() error {
-	if t.platformInterface != nil {
+	if t.platformInterface != nil && t.platformInterface.UsePlatformNetworkInterfaces() {
 		err := t.network.UpdateInterfaces()
 		if err != nil {
 			return err
@@ -326,7 +326,7 @@ func (t *Endpoint) start() error {
 			controlFunc = control.Append(controlFunc, bindFunc)
 		}
 		netns.SetControlFunc(controlFunc)
-	} else if runtime.GOOS == "android" && t.platformInterface != nil {
+	} else if runtime.GOOS == "android" && t.platformInterface != nil && t.platformInterface.UsePlatformAutoDetectInterfaceControl() {
 		netns.SetControlFunc(func(network, address string, c syscall.RawConn) error {
 			return control.Raw(c, func(fd uintptr) error {
 				return t.platformInterface.AutoDetectInterfaceControl(int(fd))
@@ -462,7 +462,7 @@ func (t *Endpoint) watchState() {
 			}
 			reportedAuthURL = authURL
 			t.logger.Info("Waiting for authentication: ", authURL)
-			if t.platformInterface != nil {
+			if t.platformInterface != nil && t.platformInterface.UsePlatformNotification() {
 				err := t.platformInterface.SendNotification(&adapter.Notification{
 					Identifier: "tailscale-authentication",
 					TypeName:   "Tailscale Authentication Notifications",

protocol/tun/inbound.go

@@ -367,7 +367,7 @@ func (t *Inbound) Start(stage adapter.StartStage) error {
 				t.tunOptions.NetNs = manager.ResolvePath(t.tunOptions.NetNs)
 			}
 		}
-		if t.platformInterface == nil {
+		if t.platformInterface == nil || C.IsWindows {
 			for _, routeRuleSet := range t.routeRuleSet {
 				ipSets := routeRuleSet.ExtractIPSet()
 				if len(ipSets) == 0 {
@@ -430,12 +430,16 @@ func (t *Inbound) Start(stage adapter.StartStage) error {
 		}
 		t.logger.Trace("creating stack")
 		t.tunIf = tunInterface
-		var (
-			forwarderBindInterface bool
-			includeAllNetworks     bool
-		)
 		if t.platformInterface != nil {
-			forwarderBindInterface = true
+			err = t.platformInterface.ProcessPlatformOptions(t.platformOptions)
+			if err != nil {
+				closeError := t.tunIf.Close()
+				t.tunIf = nil
+				return E.Errors(E.Cause(err, "process platform options"), closeError)
+			}
+		}
+		var includeAllNetworks bool
+		if t.platformInterface != nil && t.platformInterface.UnderNetworkExtension() {
 			includeAllNetworks = t.platformInterface.NetworkExtensionIncludeAllNetworks()
 		}
 		tunStack, err := tun.NewStack(t.stack, tun.StackOptions{
@@ -446,7 +450,7 @@ func (t *Inbound) Start(stage adapter.StartStage) error {
 			ICMPTimeout:            C.ICMPTimeout,
 			Handler:                t,
 			Logger:                 t.logger,
-			ForwarderBindInterface: forwarderBindInterface,
+			ForwarderBindInterface: C.IsDarwin,
 			InterfaceFinder:        t.networkManager.InterfaceFinder(),
 			IncludeAllNetworks:     includeAllNetworks,
 		})