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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,83 @@ | ||
| # socks5 | ||
| SOCKS Protocol Version 5 | ||
| ## socks5 | ||
|
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| [](https://goreportcard.com/report/github.com/txthinking/socks5) | ||
| [](https://godoc.org/github.com/txthinking/socks5) | ||
|
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| SOCKS Protocol Version 5 Library | ||
|
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| ### Install | ||
| ``` | ||
| $ go get github.com/txthinking/socks5 | ||
| ``` | ||
|
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| ### Example | ||
|
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| ``` | ||
| func ExampleSocks5Server() { | ||
| timeout := 60 // 60s | ||
| socks5.Debug = true // enable socks5 debug log | ||
| l, err := net.Listen("tcp", ":1980") | ||
| if err != nil { | ||
| log.Println(err) | ||
| return | ||
| } | ||
| defer l.Close() | ||
| for { | ||
| c, err := l.Accept() | ||
| if err != nil { | ||
| log.Println(err) | ||
| return | ||
| } | ||
| go func(c net.Conn) { | ||
| defer c.Close() | ||
| if err := c.SetReadDeadline(time.Now().Add(time.Duration(timeout) * time.Second)); err != nil { | ||
| log.Println("set local timeout:", err) | ||
| return | ||
| } | ||
| s5s := &socks5.Server{ | ||
| C: c, | ||
| SelectMethod: func(methods []byte) (method byte, got bool) { | ||
| for _, m := range methods { | ||
| if m == socks5.MethodNone { | ||
| method = socks5.MethodNone | ||
| got = true | ||
| return | ||
| } | ||
| } | ||
| return | ||
| }, | ||
| SupportedCommands: []byte{socks5.CmdConnect}, | ||
| } | ||
| if err := s5s.Negotiate(); err != nil { | ||
| log.Println(err) | ||
| return | ||
| } | ||
| r, err := s5s.GetRequest() | ||
| if err != nil { | ||
| log.Println(err) | ||
| return | ||
| } | ||
| rc, err := r.Connect(c) | ||
| if err != nil { | ||
| log.Println(err) | ||
| return | ||
| } | ||
| defer rc.Close() | ||
| if err := rc.SetReadDeadline(time.Now().Add(time.Duration(timeout) * time.Second)); err != nil { | ||
| log.Println("set remote timeout:", err) | ||
| return | ||
| } | ||
| go func() { | ||
| _, _ = io.Copy(c, rc) | ||
| }() | ||
| _, _ = io.Copy(rc, c) | ||
| }(c) | ||
| } | ||
| } | ||
| ``` |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,8 +1,11 @@ | ||
| package socks5 | ||
|
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| import "net" | ||
| import ( | ||
| "errors" | ||
| "net" | ||
| ) | ||
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| // todo | ||
| // TODO | ||
| func (r *Request) bind(c net.Conn) error { | ||
| return nil | ||
| return errors.New("Unsupport BIND now") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package socks5_test | ||
|
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| import ( | ||
| "io" | ||
| "log" | ||
| "net" | ||
| "time" | ||
|
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| "github.com/txthinking/socks5" | ||
| ) | ||
|
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| func ExampleSocks5Server() { | ||
| timeout := 60 // 60s | ||
| socks5.Debug = true // enable socks5 debug log | ||
|
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| l, err := net.Listen("tcp", ":1980") | ||
| if err != nil { | ||
| log.Println(err) | ||
| return | ||
| } | ||
| defer l.Close() | ||
|
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| for { | ||
| c, err := l.Accept() | ||
| if err != nil { | ||
| log.Println(err) | ||
| return | ||
| } | ||
|
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| go func(c net.Conn) { | ||
| defer c.Close() | ||
| if err := c.SetReadDeadline(time.Now().Add(time.Duration(timeout) * time.Second)); err != nil { | ||
| log.Println("set local timeout:", err) | ||
| return | ||
| } | ||
|
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| s5s := &socks5.Server{ | ||
| C: c, | ||
| SelectMethod: func(methods []byte) (method byte, got bool) { | ||
| for _, m := range methods { | ||
| if m == socks5.MethodNone { | ||
| method = socks5.MethodNone | ||
| got = true | ||
| return | ||
| } | ||
| } | ||
| return | ||
| }, | ||
| SupportedCommands: []byte{socks5.CmdConnect}, | ||
| } | ||
| if err := s5s.Negotiate(); err != nil { | ||
| log.Println(err) | ||
| return | ||
| } | ||
| r, err := s5s.GetRequest() | ||
| if err != nil { | ||
| log.Println(err) | ||
| return | ||
| } | ||
| rc, err := r.Connect(c) | ||
| if err != nil { | ||
| log.Println(err) | ||
| return | ||
| } | ||
| defer rc.Close() | ||
| if err := rc.SetReadDeadline(time.Now().Add(time.Duration(timeout) * time.Second)); err != nil { | ||
| log.Println("set remote timeout:", err) | ||
| return | ||
| } | ||
| go func() { | ||
| _, _ = io.Copy(c, rc) | ||
| }() | ||
| _, _ = io.Copy(rc, c) | ||
|
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| }(c) | ||
|
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| } | ||
| } |
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