From d76ded14f2a565a008a5bea03125f27028c38209 Mon Sep 17 00:00:00 2001
From: VanyM <vanymdev@gmail.com>
Date: Fri, 25 Nov 2022 17:18:18 +0400
Subject: [PATCH] change socks5 client to provide userpass auth method only if
 auth configured

---
 connector/socks/v5/connector.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/connector/socks/v5/connector.go b/connector/socks/v5/connector.go
index 9914553..c2fa3aa 100644
--- a/connector/socks/v5/connector.go
+++ b/connector/socks/v5/connector.go
@@ -46,12 +46,14 @@ func (c *socks5Connector) Init(md md.Metadata) (err error) {
 	selector := &clientSelector{
 		methods: []uint8{
 			gosocks5.MethodNoAuth,
-			gosocks5.MethodUserPass,
 		},
 		User:      c.options.Auth,
 		TLSConfig: c.options.TLSConfig,
 		logger:    c.options.Logger,
 	}
+	if selector.User != nil {
+		selector.methods = append(selector.methods, gosocks5.MethodUserPass)
+	}
 	if !c.md.noTLS {
 		selector.methods = append(selector.methods, socks.MethodTLS)
 		if selector.TLSConfig == nil {