From 6f9de2d96fc29b4d716036b1d4165af07f82a27c Mon Sep 17 00:00:00 2001
From: gVisor bot <gvisor-bot@google.com>
Date: Thu, 24 Dec 2020 13:47:56 +0800
Subject: [PATCH] Fix: snell should support the config without obfs

---
 adapters/outbound/shadowsocks.go | 2 +-
 adapters/outbound/snell.go       | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/adapters/outbound/shadowsocks.go b/adapters/outbound/shadowsocks.go
index 68c907e2..2028df74 100644
--- a/adapters/outbound/shadowsocks.go
+++ b/adapters/outbound/shadowsocks.go
@@ -40,7 +40,7 @@ type ShadowSocksOption struct {
 }
 
 type simpleObfsOption struct {
-	Mode string `obfs:"mode"`
+	Mode string `obfs:"mode,omitempty"`
 	Host string `obfs:"host,omitempty"`
 }
 
diff --git a/adapters/outbound/snell.go b/adapters/outbound/snell.go
index edc0ddd7..8cd2cdb1 100644
--- a/adapters/outbound/snell.go
+++ b/adapters/outbound/snell.go
@@ -87,7 +87,10 @@ func NewSnell(option SnellOption) (*Snell, error) {
 		return nil, fmt.Errorf("snell %s initialize obfs error: %w", addr, err)
 	}
 
-	if obfsOption.Mode != "tls" && obfsOption.Mode != "http" {
+	switch obfsOption.Mode {
+	case "tls", "http", "":
+		break
+	default:
 		return nil, fmt.Errorf("snell %s obfs mode error: %s", addr, obfsOption.Mode)
 	}