feat: add external-controller-pipe for windows

maybe useful for electron and tauri client, node.js and rust still not support AF_UNIX on windows

adapter/inbound/listen_notwindows.go

@@ -0,0 +1,14 @@
+//go:build !windows
+
+package inbound
+
+import (
+	"net"
+	"os"
+)
+
+const SupportNamedPipe = false
+
+func ListenNamedPipe(path string) (net.Listener, error) {
+	return nil, os.ErrInvalid
+}

adapter/inbound/listen_windows.go

@@ -0,0 +1,27 @@
+package inbound
+
+import (
+	"net"
+
+	"github.com/metacubex/wireguard-go/ipc/namedpipe"
+	"golang.org/x/sys/windows"
+)
+
+const SupportNamedPipe = true
+
+// windowsSDDL is the Security Descriptor set on the namedpipe.
+// It provides read/write access to all users and the local system.
+const windowsSDDL = "D:PAI(A;OICI;GWGR;;;BU)(A;OICI;GWGR;;;SY)"
+
+func ListenNamedPipe(path string) (net.Listener, error) {
+	securityDescriptor, err := windows.SecurityDescriptorFromString(windowsSDDL)
+	if err != nil {
+		return nil, err
+	}
+	namedpipeLC := namedpipe.ListenConfig{
+		SecurityDescriptor: securityDescriptor,
+		InputBufferSize:    256 * 1024,
+		OutputBufferSize:   256 * 1024,
+	}
+	return namedpipeLC.Listen(path)
+}