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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,22 @@ | ||
| # ipt2socks | ||
| 将iptables(TPROXY)透明代理流量转换为socks5流量的golang版工具，类似工具有[zfl9/ipt2socks](https://github.com/zfl9/ipt2socks) | ||
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| ## 特性 | ||
| * 支持转成sock4流量 | ||
| * 支持转成socks5(tcp&udp)流量 | ||
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| ## 使用 | ||
| ``` | ||
| ipt2socks --listen=0.0.0.0:60080 --proxy=socks5://127.0.0.1:1080 | ||
| ``` | ||
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| ### 参数 | ||
| ``` | ||
| --listen 本地监听地址，格式为x.x.x.x:xx | ||
| --proxy sock5代理地址，格式为sock5://x.x.x.x:xx或sock4://x.x.x.x:xx | ||
| --udptimeout udp超时时间（单位秒) | ||
| --verbose 若指定此选项，则将会打印较为详尽的运行时日志 | ||
| ``` | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,7 +1,7 @@ | ||
| package ipt2socks | ||
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| type Config struct { | ||
| ProxyAddr string | ||
| Proxy string | ||
| ListenAddr string | ||
| UDPTimeout int32 | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,62 @@ | ||
| package ipt2socks | ||
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| import ( | ||
| "errors" | ||
| "fmt" | ||
| "github.com/0990/socks5" | ||
| "net" | ||
| "net/url" | ||
| "strings" | ||
| ) | ||
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| type proxyDialer interface { | ||
| Dial(network, addr string) (net.Conn, error) | ||
| } | ||
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| func newProxyDialer(proxy string, udpTimeout int32) (proxyDialer, error) { | ||
| protocol, addr, err := parseProxy(proxy) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| switch protocol { | ||
| case "socks5": | ||
| return socks5.NewSocks5Client(socks5.ClientCfg{ | ||
| ServerAddr: addr, | ||
| UserName: "", | ||
| Password: "", | ||
| UDPTimout: int(udpTimeout), | ||
| TCPTimeout: 60, | ||
| }), nil | ||
| case "socks4": | ||
| return socks5.NewSocks4Client(socks5.ClientCfg{ | ||
| ServerAddr: addr, | ||
| UserName: "", | ||
| Password: "", | ||
| UDPTimout: int(udpTimeout), | ||
| TCPTimeout: 60, | ||
| }), nil | ||
| default: | ||
| return nil, errors.New("not support proxy type") | ||
| } | ||
| } | ||
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| func parseProxy(s string) (string, string, error) { | ||
| if !strings.Contains(s, "://") { | ||
| s = fmt.Sprintf("%s://%s", "socks5" /* default protocol */, s) | ||
| } | ||
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| u, err := url.Parse(s) | ||
| if err != nil { | ||
| return "", "", err | ||
| } | ||
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| protocol := strings.ToLower(u.Scheme) | ||
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| switch protocol { | ||
| case "socks5", "socks4": | ||
| return protocol, u.Host, nil | ||
| default: | ||
| return "", "", fmt.Errorf("unsupported protocol: %s", protocol) | ||
| } | ||
| } |
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