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@@ -1,75 +0,0 @@ |
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package main |
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import ( |
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"bufio" |
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"crypto/tls" |
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"flag" |
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"fmt" |
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"io" |
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"net/http" |
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"net/url" |
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"os" |
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) |
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var tlsVersionToName = map[string]uint16{ |
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"tls10": tls.VersionTLS10, |
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"tls11": tls.VersionTLS11, |
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"tls12": tls.VersionTLS12, |
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"tls13": tls.VersionTLS13, |
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} |
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// Usage client args host:port |
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func main() { |
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var version string |
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var addr string |
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var enableEMS bool |
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var resume bool |
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var config tls.Config |
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var cache tls.ClientSessionCache |
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cache = tls.NewLRUClientSessionCache(0) |
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flag.StringVar(&version, "version", "tls12", "Version of TLS to use") |
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flag.BoolVar(&enableEMS, "m", false, "Enable EMS") |
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flag.BoolVar(&resume, "r", false, "Attempt Resumption") |
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flag.Parse() |
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config.MinVersion = tlsVersionToName[version] |
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config.MaxVersion = tlsVersionToName[version] |
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config.InsecureSkipVerify = true |
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config.UseExtendedMasterSecret = !enableEMS |
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config.ClientSessionCache = cache |
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var iters int |
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if resume { |
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iters = 2 |
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} else { |
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iters = 1 |
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} |
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addr = flag.Arg(0) |
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for ; iters > 0; iters-- { |
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conn, err := tls.Dial("tcp", addr, &config) |
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if err != nil { |
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fmt.Println("Error %s", err) |
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os.Exit(1) |
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} |
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var req http.Request |
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var response *http.Response |
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req.Method = "GET" |
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req.URL, err = url.Parse("https://" + addr + "/") |
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if err != nil { |
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fmt.Println("Failed to parse url") |
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os.Exit(1) |
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} |
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req.Write(conn) |
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reader := bufio.NewReader(conn) |
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response, err = http.ReadResponse(reader, nil) |
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if err != nil { |
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fmt.Println("HTTP problem") |
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fmt.Println(err) |
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os.Exit(1) |
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} |
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io.Copy(os.Stdout, response.Body) |
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conn.Close() |
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if resume && iters == 2 { |
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fmt.Println("Attempting resumption") |
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} |
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} |
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os.Exit(0) |
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} |