add socks5 udp relay

cmd/gost/gost.yml

@@ -54,7 +54,7 @@ services:
     type: tcp
     metadata:
       keepAlive: 15s
-  chain: chain-socks4
+  # chain: chain-socks5
   # bypass: bypass01
 
 chains:
@@ -129,6 +129,22 @@ chains:
       dialer:
         type: tcp
         metadata: {}
+- name: chain-socks5
+  hops:
+  - name: hop01
+    nodes:
+    - name: node01
+      addr: ":1081"
+      url: "http://gost:gost@:8081"
+      # bypass: bypass01
+      connector:
+        type: socks5
+        metadata:
+          # notls: true
+          auth: gost:gost
+      dialer:
+        type: tcp
+        metadata: {}
 
 bypasses:
 - name: bypass01

cmd/gost/register.go

@@ -4,6 +4,7 @@ import (
 	// Register connectors
 	_ "github.com/go-gost/gost/pkg/connector/http"
 	_ "github.com/go-gost/gost/pkg/connector/socks/v4"
+	_ "github.com/go-gost/gost/pkg/connector/socks/v5"
 	_ "github.com/go-gost/gost/pkg/connector/ss"
 
 	// Register dialers