mirror of
https://github.com/refraction-networking/utls.git
synced 2025-04-03 20:17:36 +03:00
Update examples
This commit is contained in:
Sergey Frolov
sergeyfrolov
parent
fd72b83e04
commit
a89e7e6da4
1 changed files with 116 additions and 106 deletions
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@ -1,15 +1,16 @@
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package main
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import (
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"bufio"
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"encoding/hex"
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"fmt"
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"net"
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"net/http"
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"net/http/httputil"
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"strings"
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"net/url"
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"time"
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tls "github.com/refraction-networking/utls"
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"github.com/refraction-networking/utls"
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"golang.org/x/net/http2"
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)
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@ -17,51 +18,44 @@ var (
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dialTimeout = time.Duration(15) * time.Second
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sessionTicket = []uint8(`Here goes phony session ticket: phony enough to get into ASCII range
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Ticket could be of any length, but for camouflage purposes it's better to use uniformly random contents
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and standard length such as 228`)
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and common length. See https://tlsfingerprint.io/session-tickets`)
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)
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func HttpGetDefault(hostname string, addr string) (string, error) {
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var requestHostname = "facebook.com" // speaks http2 and TLS 1.3
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var requestAddr = "31.13.72.36:443"
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func HttpGetDefault(hostname string, addr string) (*http.Response, error) {
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config := tls.Config{ServerName: hostname}
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dialConn, err := net.DialTimeout("tcp", addr, dialTimeout)
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if err != nil {
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return "", fmt.Errorf("net.DialTimeout error: %+v", err)
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return nil, fmt.Errorf("net.DialTimeout error: %+v", err)
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}
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tlsConn := tls.Client(dialConn, &config)
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defer tlsConn.Close()
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err = tlsConn.Handshake()
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if err != nil {
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return "", fmt.Errorf("tlsConn.Handshake() error: %+v", err)
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}
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tlsConn.Write([]byte("GET / HTTP/1.1\r\nHost: " + hostname + "\r\n\r\n"))
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buf := make([]byte, 14096)
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tlsConn.Read(buf)
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return string(buf), nil
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return httpGetOverConn(tlsConn, tlsConn.ConnectionState().NegotiatedProtocol)
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}
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func HttpGetByHelloID(hostname string, addr string, helloID tls.ClientHelloID) (string, error) {
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func HttpGetByHelloID(hostname string, addr string, helloID tls.ClientHelloID) (*http.Response, error) {
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config := tls.Config{ServerName: hostname}
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dialConn, err := net.DialTimeout("tcp", addr, dialTimeout)
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if err != nil {
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return "", fmt.Errorf("net.DialTimeout error: %+v", err)
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return nil, fmt.Errorf("net.DialTimeout error: %+v", err)
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}
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uTlsConn := tls.UClient(dialConn, &config, helloID)
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defer uTlsConn.Close()
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err = uTlsConn.Handshake()
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if err != nil {
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return "", fmt.Errorf("uTlsConn.Handshake() error: %+v", err)
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return nil, fmt.Errorf("uTlsConn.Handshake() error: %+v", err)
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}
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uTlsConn.Write([]byte("GET / HTTP/1.1\r\nHost: " + hostname + "\r\n\r\n"))
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buf := make([]byte, 14096)
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uTlsConn.Read(buf)
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return string(buf), nil
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return httpGetOverConn(uTlsConn, uTlsConn.HandshakeState.ServerHello.AlpnProtocol)
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}
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func HttpGetExplicitRandom(hostname string, addr string) (string, error) {
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func HttpGetExplicitRandom(hostname string, addr string) (*http.Response, error) {
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dialConn, err := net.DialTimeout("tcp", addr, dialTimeout)
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if err != nil {
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return "", fmt.Errorf("net.DialTimeout error: %+v", err)
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return nil, fmt.Errorf("net.DialTimeout error: %+v", err)
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}
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uTlsConn := tls.UClient(dialConn, nil, tls.HelloGolang)
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defer uTlsConn.Close()
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@ -70,7 +64,7 @@ func HttpGetExplicitRandom(hostname string, addr string) (string, error) {
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err = uTlsConn.BuildHandshakeState()
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if err != nil {
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// have to call BuildHandshakeState() first, when using default UClient, to avoid settings' overwriting
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return "", fmt.Errorf("uTlsConn.BuildHandshakeState() error: %+v", err)
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return nil, fmt.Errorf("uTlsConn.BuildHandshakeState() error: %+v", err)
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}
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cRandom := []byte{100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
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@ -80,25 +74,22 @@ func HttpGetExplicitRandom(hostname string, addr string) (string, error) {
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uTlsConn.SetClientRandom(cRandom)
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err = uTlsConn.Handshake()
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if err != nil {
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return "", fmt.Errorf("uTlsConn.Handshake() error: %+v", err)
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return nil, fmt.Errorf("uTlsConn.Handshake() error: %+v", err)
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}
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// These fields are accessible regardless of setting client hello explicitly
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fmt.Printf("#> MasterSecret:\n%s", hex.Dump(uTlsConn.HandshakeState.MasterSecret))
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fmt.Printf("#> ClientHello Random:\n%s", hex.Dump(uTlsConn.HandshakeState.Hello.Random))
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fmt.Printf("#> ServerHello Random:\n%s", hex.Dump(uTlsConn.HandshakeState.ServerHello.Random))
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uTlsConn.Write([]byte("GET / HTTP/1.1\r\nHost: " + hostname + "\r\n\r\n"))
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buf := make([]byte, 14096)
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uTlsConn.Read(buf)
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return string(buf), nil
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return httpGetOverConn(uTlsConn, uTlsConn.HandshakeState.ServerHello.AlpnProtocol)
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}
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// Note that the server will reject the fake ticket(unless you set up your server to accept them) and do full handshake
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func HttpGetTicket(hostname string, addr string) (string, error) {
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func HttpGetTicket(hostname string, addr string) (*http.Response, error) {
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config := tls.Config{ServerName: hostname}
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dialConn, err := net.DialTimeout("tcp", addr, dialTimeout)
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if err != nil {
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return "", fmt.Errorf("net.DialTimeout error: %+v", err)
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return nil, fmt.Errorf("net.DialTimeout error: %+v", err)
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}
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uTlsConn := tls.UClient(dialConn, &config, tls.HelloGolang)
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defer uTlsConn.Close()
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@ -106,7 +97,7 @@ func HttpGetTicket(hostname string, addr string) (string, error) {
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err = uTlsConn.BuildHandshakeState()
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if err != nil {
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// have to call BuildHandshakeState() first, when using default UClient, to avoid settings' overwriting
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return "", fmt.Errorf("uTlsConn.BuildHandshakeState() error: %+v", err)
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return nil, fmt.Errorf("uTlsConn.BuildHandshakeState() error: %+v", err)
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}
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masterSecret := make([]byte, 48)
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@ -118,27 +109,27 @@ func HttpGetTicket(hostname string, addr string) (string, error) {
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masterSecret,
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nil, nil)
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uTlsConn.SetSessionState(sessionState)
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err = uTlsConn.SetSessionState(sessionState)
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if err != nil {
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return nil, err
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}
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err = uTlsConn.Handshake()
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if err != nil {
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return "", fmt.Errorf("uTlsConn.Handshake() error: %+v", err)
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return nil, fmt.Errorf("uTlsConn.Handshake() error: %+v", err)
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}
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fmt.Println("#> This is how client hello with session ticket looked:")
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fmt.Print(hex.Dump(uTlsConn.HandshakeState.Hello.Raw))
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uTlsConn.Write([]byte("GET / HTTP/1.1\r\nHost: " + hostname + "\r\n\r\n"))
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buf := make([]byte, 14096)
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uTlsConn.Read(buf)
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return string(buf), nil
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return httpGetOverConn(uTlsConn, uTlsConn.HandshakeState.ServerHello.AlpnProtocol)
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}
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// Note that the server will reject the fake ticket(unless you set up your server to accept them) and do full handshake
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func HttpGetTicketHelloID(hostname string, addr string, helloID tls.ClientHelloID) (string, error) {
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func HttpGetTicketHelloID(hostname string, addr string, helloID tls.ClientHelloID) (*http.Response, error) {
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config := tls.Config{ServerName: hostname}
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dialConn, err := net.DialTimeout("tcp", addr, dialTimeout)
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if err != nil {
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return "", fmt.Errorf("net.DialTimeout error: %+v", err)
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return nil, fmt.Errorf("net.DialTimeout error: %+v", err)
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}
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uTlsConn := tls.UClient(dialConn, &config, helloID)
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defer uTlsConn.Close()
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@ -155,34 +146,36 @@ func HttpGetTicketHelloID(hostname string, addr string, helloID tls.ClientHelloI
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uTlsConn.SetSessionState(sessionState)
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err = uTlsConn.Handshake()
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if err != nil {
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return "", fmt.Errorf("uTlsConn.Handshake() error: %+v", err)
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return nil, fmt.Errorf("uTlsConn.Handshake() error: %+v", err)
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}
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fmt.Println("#> This is how client hello with session ticket looked:")
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fmt.Print(hex.Dump(uTlsConn.HandshakeState.Hello.Raw))
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uTlsConn.Write([]byte("GET / HTTP/1.1\r\nHost: " + hostname + "\r\n\r\n"))
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buf := make([]byte, 14096)
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uTlsConn.Read(buf)
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return string(buf), nil
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return httpGetOverConn(uTlsConn, uTlsConn.HandshakeState.ServerHello.AlpnProtocol)
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}
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func HttpGetCustom(hostname string, addr string) (string, error) {
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func HttpGetCustom(hostname string, addr string) (*http.Response, error) {
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config := tls.Config{ServerName: hostname}
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dialConn, err := net.DialTimeout("tcp", addr, dialTimeout)
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if err != nil {
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return "", fmt.Errorf("net.DialTimeout error: %+v", err)
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return nil, fmt.Errorf("net.DialTimeout error: %+v", err)
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}
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uTlsConn := tls.UClient(dialConn, &config, tls.HelloCustom)
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defer uTlsConn.Close()
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// do not use this particular spec in production
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// make sure to generate a separate copy of ClientHelloSpec for every connection
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spec := tls.ClientHelloSpec{
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TLSVersMax: tls.VersionTLS13,
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TLSVersMin: tls.VersionTLS10,
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CipherSuites: []uint16{
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tls.GREASE_PLACEHOLDER,
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tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
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tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
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tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
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tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
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tls.TLS_AES_128_GCM_SHA256, // tls 1.3
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tls.FAKE_TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
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tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
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tls.TLS_RSA_WITH_AES_256_CBC_SHA,
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@ -190,9 +183,9 @@ func HttpGetCustom(hostname string, addr string) (string, error) {
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Extensions: []tls.TLSExtension{
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&tls.SNIExtension{},
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&tls.SupportedCurvesExtension{Curves: []tls.CurveID{tls.X25519, tls.CurveP256}},
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&tls.SupportedPointsExtension{SupportedPoints: []byte{0}},
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&tls.SupportedPointsExtension{SupportedPoints: []byte{0}}, // uncompressed
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&tls.SessionTicketExtension{},
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&tls.ALPNExtension{AlpnProtocols: []string{"myFancyProtocol", "h2", "http/1.1"}},
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&tls.ALPNExtension{AlpnProtocols: []string{"myFancyProtocol", "http/1.1"}},
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&tls.SignatureAlgorithmsExtension{SupportedSignatureAlgorithms: []tls.SignatureScheme{
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tls.ECDSAWithP256AndSHA256,
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tls.ECDSAWithP384AndSHA384,
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@ -204,146 +197,163 @@ func HttpGetCustom(hostname string, addr string) (string, error) {
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tls.PKCS1WithSHA384,
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tls.PKCS1WithSHA512,
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tls.ECDSAWithSHA1,
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tls.PKCS1WithSHA1},
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},
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tls.PKCS1WithSHA1}},
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&tls.KeyShareExtension{[]tls.KeyShare{
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{Group: tls.CurveID(tls.GREASE_PLACEHOLDER), Data: []byte{0}},
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{Group: tls.X25519},
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}},
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&tls.PSKKeyExchangeModesExtension{[]uint8{1}}, // pskModeDHE
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&tls.SupportedVersionsExtension{[]uint16{
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tls.VersionTLS13,
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tls.VersionTLS12,
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tls.VersionTLS11,
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tls.VersionTLS10}},
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},
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GetSessionID: nil,
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}
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err = uTlsConn.ApplyPreset(&spec)
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if err != nil {
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return "", fmt.Errorf("uTlsConn.Handshake() error: %+v", err)
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return nil, fmt.Errorf("uTlsConn.Handshake() error: %+v", err)
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}
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err = uTlsConn.Handshake()
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if err != nil {
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return "", fmt.Errorf("uTlsConn.Handshake() error: %+v", err)
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return nil, fmt.Errorf("uTlsConn.Handshake() error: %+v", err)
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}
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uTlsConn.Write([]byte("GET / HTTP/1.1\r\nHost: " + hostname + "\r\n\r\n"))
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buf := make([]byte, 14096)
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uTlsConn.Read(buf)
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return string(buf), nil
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return httpGetOverConn(uTlsConn, uTlsConn.HandshakeState.ServerHello.AlpnProtocol)
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}
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var roller *tls.Roller
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func HttpGetGoogleWithRoller() (string, error) {
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// this example creates a new roller for each function call,
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// however it is advised to reuse the Roller
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func HttpGetGoogleWithRoller() (*http.Response, error) {
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var err error
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hostname := "www.google.com"
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if roller == nil {
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roller, err = tls.NewRoller()
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if err != nil {
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return "", err
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return nil, err
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}
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}
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// As of 2018-07-24 this tries to connect with Chrome, fails due to ChannelID extension
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// being selected by Google, but not supported by utls, and seamlessly moves on to either
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// Firefox or iOS fingerprints, which work.
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c, err := roller.Dial("tcp4", hostname+":443", hostname)
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c, err := roller.Dial("tcp4", requestHostname+":443", requestHostname)
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if err != nil {
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return "", err
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}
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if c.ConnectionState().NegotiatedProtocol == "h2" {
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t := http2.Transport{}
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h2c, err := t.NewClientConn(c)
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if err != nil {
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return "", err
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}
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req, err := http.NewRequest("GET", "/", nil)
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if err != nil {
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return "", err
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}
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resp, err := h2c.RoundTrip(req)
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if err != nil {
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return "", err
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}
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respbytes, err := httputil.DumpResponse(resp, true)
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if err != nil {
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return "", err
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}
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return string(respbytes), nil
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} else {
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c.Write([]byte("GET / HTTP/1.1\r\nHost: " + hostname + "\r\n\r\n"))
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buf := make([]byte, 14096)
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c.Read(buf)
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return string(buf), nil
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return nil, err
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}
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return httpGetOverConn(c, c.HandshakeState.ServerHello.AlpnProtocol)
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}
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func main() {
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var response string
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var response *http.Response
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var err error
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requestHostname := "tlsfingerprint.io"
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requestAddr := "54.145.209.94:443"
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response, err = HttpGetDefault(requestHostname, requestAddr)
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if err != nil {
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fmt.Printf("#> HttpGetDefault failed: %+v\n", err)
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} else {
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fmt.Printf("#> HttpGetDefault response: %+s\n", getFirstLine(response))
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fmt.Printf("#> HttpGetDefault response: %+s\n", dumpResponseNoBody(response))
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}
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response, err = HttpGetByHelloID(requestHostname, requestAddr, tls.HelloChrome_62)
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if err != nil {
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fmt.Printf("#> HttpGetByHelloID(HelloChrome_62) failed: %+v\n", err)
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} else {
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fmt.Printf("#> HttpGetByHelloID(HelloChrome_62) response: %+s\n", getFirstLine(response))
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fmt.Printf("#> HttpGetByHelloID(HelloChrome_62) response: %+s\n", dumpResponseNoBody(response))
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}
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response, err = HttpGetByHelloID(requestHostname, requestAddr, tls.HelloRandomizedNoALPN)
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if err != nil {
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fmt.Printf("#> HttpGetByHelloID(Randomized) failed: %+v\n", err)
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} else {
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fmt.Printf("#> HttpGetByHelloID(Randomized) response: %+s\n", getFirstLine(response))
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fmt.Printf("#> HttpGetByHelloID(Randomized) response: %+s\n", dumpResponseNoBody(response))
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}
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response, err = HttpGetExplicitRandom(requestHostname, requestAddr)
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if err != nil {
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fmt.Printf("#> HttpGetExplicitRandom failed: %+v\n", err)
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} else {
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fmt.Printf("#> HttpGetExplicitRandom response: %+s\n", getFirstLine(response))
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fmt.Printf("#> HttpGetExplicitRandom response: %+s\n", dumpResponseNoBody(response))
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}
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response, err = HttpGetTicket(requestHostname, requestAddr)
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if err != nil {
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fmt.Printf("#> HttpGetTicket failed: %+v\n", err)
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} else {
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fmt.Printf("#> HttpGetTicket response: %+s\n", getFirstLine(response))
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fmt.Printf("#> HttpGetTicket response: %+s\n", dumpResponseNoBody(response))
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}
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response, err = HttpGetTicketHelloID(requestHostname, requestAddr, tls.HelloFirefox_56)
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if err != nil {
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fmt.Printf("#> HttpGetTicketHelloID(HelloFirefox_56) failed: %+v\n", err)
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} else {
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fmt.Printf("#> HttpGetTicketHelloID(HelloFirefox_56) response: %+s\n", getFirstLine(response))
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fmt.Printf("#> HttpGetTicketHelloID(HelloFirefox_56) response: %+s\n", dumpResponseNoBody(response))
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}
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response, err = HttpGetCustom(requestHostname, requestAddr)
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if err != nil {
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fmt.Printf("#> HttpGetCustom() failed: %+v\n", err)
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} else {
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fmt.Printf("#> HttpGetCustom() response: %+s\n", getFirstLine(response))
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fmt.Printf("#> HttpGetCustom() response: %+s\n", dumpResponseNoBody(response))
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}
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for i := 0; i < 5; i++ {
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response, err = HttpGetGoogleWithRoller()
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if err != nil {
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fmt.Printf("#> HttpGetGoogleWithRoller() failed: %+v\n", err)
|
||||
fmt.Printf("#> HttpGetGoogleWithRoller() #%v failed: %+v\n", i, err)
|
||||
} else {
|
||||
fmt.Printf("#> HttpGetGoogleWithRoller() response: %+s\n", getFirstLine(response))
|
||||
fmt.Printf("#> HttpGetGoogleWithRoller() #%v response: %+s\n",
|
||||
i, dumpResponseNoBody(response))
|
||||
}
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func getFirstLine(s string) string {
|
||||
ss := strings.Split(s, "\r\n")
|
||||
if len(ss) == 0 {
|
||||
return ""
|
||||
} else {
|
||||
return ss[0]
|
||||
func httpGetOverConn(conn net.Conn, alpn string) (*http.Response, error) {
|
||||
req := &http.Request{
|
||||
Method: "GET",
|
||||
URL: &url.URL{Host: "www." + requestHostname + "/"},
|
||||
Header: make(http.Header),
|
||||
Host: "www." + requestHostname,
|
||||
}
|
||||
|
||||
switch alpn {
|
||||
case "h2":
|
||||
req.Proto = "HTTP/2.0"
|
||||
req.ProtoMajor = 2
|
||||
req.ProtoMinor = 0
|
||||
|
||||
tr := http2.Transport{}
|
||||
cConn, err := tr.NewClientConn(conn)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return cConn.RoundTrip(req)
|
||||
case "http/1.1", "":
|
||||
req.Proto = "HTTP/1.1"
|
||||
req.ProtoMajor = 1
|
||||
req.ProtoMinor = 1
|
||||
|
||||
err := req.Write(conn)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return http.ReadResponse(bufio.NewReader(conn), req)
|
||||
default:
|
||||
return nil, fmt.Errorf("unsupported ALPN: %v", alpn)
|
||||
}
|
||||
}
|
||||
|
||||
func dumpResponseNoBody(response *http.Response) string {
|
||||
resp, err := httputil.DumpResponse(response, false)
|
||||
if err != nil {
|
||||
return fmt.Sprintf("failed to dump response: %v", err)
|
||||
}
|
||||
return string(resp)
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue