From 8d6a9167b5bb413a4148f91d02632a9471358fca Mon Sep 17 00:00:00 2001
From: v2ray <admin@v2ray.com>
Date: Sat, 6 Aug 2016 23:15:06 +0200
Subject: [PATCH] add no-op authenticator

---
 transport/internet/authenticator.go | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/transport/internet/authenticator.go b/transport/internet/authenticator.go
index b6eea637e..25bd49038 100644
--- a/transport/internet/authenticator.go
+++ b/transport/internet/authenticator.go
@@ -85,3 +85,25 @@ func (this *AuthenticatorChain) Seal(payload *alloc.Buffer) {
 		auth.Seal(payload)
 	}
 }
+
+type NoOpAuthenticator struct{}
+
+func (this NoOpAuthenticator) Overhead() int {
+	return 0
+}
+func (this NoOpAuthenticator) Open(payload *alloc.Buffer) bool {
+	return true
+}
+func (this NoOpAuthenticator) Seal(payload *alloc.Buffer) {}
+
+type NoOpAuthenticatorFactory struct{}
+
+func (this NoOpAuthenticatorFactory) Create(config AuthenticatorConfig) Authenticator {
+	return NoOpAuthenticator{}
+}
+
+type NoOpAuthenticatorConfig struct{}
+
+func init() {
+	RegisterAuthenticator("none", NoOpAuthenticatorFactory{}, func() interface{} { return NoOpAuthenticatorConfig{} })
+}