fix socks client check port range

CHANGELOG

@@ -1,4 +1,7 @@
 proxy更新日志
+v5.3
+1.优化了socks_client握手端口判断,避免了sstap测试UDP失败的问题..
+
 v5.2
 1.修复了HTTP(S)\SPS反向代理无法正常工作的问题.
 2.优化了智能判断,减少不必要的DNS解析.

README_ZH.md

@@ -48,7 +48,7 @@ Proxy是golang实现的高性能http,https,websocket,tcp,udp,socks5代理服务
 - ...  
 
  
-本页是v5.2手册,其他版本手册请点击[这里](docs/old-release.md)查看. 
+本页是v5.3手册,其他版本手册请点击[这里](docs/old-release.md)查看. 
  
 
 ### 怎么找到组织?  

docs/old-release.md

@@ -1,5 +1,6 @@
 # Old Versions of Proxy
 
+- [v5.2手册](https://github.com/snail007/goproxy/tree/v5.2) 
 - [v5.1手册](https://github.com/snail007/goproxy/tree/v5.1) 
 - [v5.0手册](https://github.com/snail007/goproxy/tree/v5.0) 
 - [v4.9手册](https://github.com/snail007/goproxy/tree/v4.9) 

install_auto.sh

@@ -5,7 +5,7 @@ if [ -e /tmp/proxy ]; then
 fi
 mkdir /tmp/proxy
 cd /tmp/proxy
-wget https://github.com/snail007/goproxy/releases/download/v5.2/proxy-linux-amd64.tar.gz
+wget https://github.com/snail007/goproxy/releases/download/v5.3/proxy-linux-amd64.tar.gz
 
 # #install proxy
 tar zxvf proxy-linux-amd64.tar.gz

main.go

@@ -9,7 +9,7 @@ import (
 	"github.com/snail007/goproxy/services"
 )
 
-const APP_VERSION = "5.2"
+const APP_VERSION = "5.3"
 
 func main() {
 	err := initConfig()

release.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-VER="5.2"
+VER="5.3"
 RELEASE="release-${VER}"
 rm -rf .cert
 mkdir .cert

utils/socks/client.go

@@ -72,7 +72,7 @@ func (s *ClientConn) Handshake() error {
 	if err != nil {
 		return errors.New("proxy: failed to parse port number: " + portStr)
 	}
-	if port < 1 || port > 0xffff {
+	if s.network == "tcp" && (port < 1 || port > 0xffff) {
 		return errors.New("proxy: port number out of range: " + portStr)
 	}