mirror of https://github.com/v2fly/v2ray-core.git
129 lines
3.0 KiB
Go
129 lines
3.0 KiB
Go
package tls
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import (
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"crypto/tls"
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"crypto/x509"
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"encoding/base64"
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"fmt"
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"net"
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"github.com/v2fly/v2ray-core/v4/main/commands/base"
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v2tls "github.com/v2fly/v2ray-core/v4/transport/internet/tls"
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)
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// cmdPing is the tls ping command
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var cmdPing = &base.Command{
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UsageLine: "{{.Exec}} tls ping [-ip <ip>] <domain>",
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Short: "ping the domain with TLS handshake",
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Long: `
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Ping the domain with TLS handshake.
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Arguments:
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-ip <ip>
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The IP address of the domain.
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`,
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}
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func init() {
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cmdPing.Run = executePing // break init loop
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}
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var (
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pingIPStr = cmdPing.Flag.String("ip", "", "")
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)
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func executePing(cmd *base.Command, args []string) {
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if cmdPing.Flag.NArg() < 1 {
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base.Fatalf("domain not specified")
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}
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domain := cmdPing.Flag.Arg(0)
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fmt.Println("Tls ping: ", domain)
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var ip net.IP
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if len(*pingIPStr) > 0 {
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v := net.ParseIP(*pingIPStr)
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if v == nil {
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base.Fatalf("invalid IP: %s", *pingIPStr)
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}
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ip = v
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} else {
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v, err := net.ResolveIPAddr("ip", domain)
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if err != nil {
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base.Fatalf("Failed to resolve IP: %s", err)
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}
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ip = v.IP
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}
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fmt.Println("Using IP: ", ip.String())
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fmt.Println("-------------------")
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fmt.Println("Pinging without SNI")
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{
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tcpConn, err := net.DialTCP("tcp", nil, &net.TCPAddr{IP: ip, Port: 443})
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if err != nil {
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base.Fatalf("Failed to dial tcp: %s", err)
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}
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tlsConn := tls.Client(tcpConn, &tls.Config{
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InsecureSkipVerify: true,
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NextProtos: []string{"http/1.1"},
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MaxVersion: tls.VersionTLS12,
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MinVersion: tls.VersionTLS12,
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// Do not release tool before v5's refactor
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// VerifyPeerCertificate: showCert(),
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})
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err = tlsConn.Handshake()
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if err != nil {
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fmt.Println("Handshake failure: ", err)
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} else {
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fmt.Println("Handshake succeeded")
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printCertificates(tlsConn.ConnectionState().PeerCertificates)
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}
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tlsConn.Close()
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}
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fmt.Println("-------------------")
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fmt.Println("Pinging with SNI")
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{
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tcpConn, err := net.DialTCP("tcp", nil, &net.TCPAddr{IP: ip, Port: 443})
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if err != nil {
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base.Fatalf("Failed to dial tcp: %s", err)
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}
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tlsConn := tls.Client(tcpConn, &tls.Config{
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ServerName: domain,
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NextProtos: []string{"http/1.1"},
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MaxVersion: tls.VersionTLS12,
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MinVersion: tls.VersionTLS12,
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// Do not release tool before v5's refactor
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// VerifyPeerCertificate: showCert(),
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})
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err = tlsConn.Handshake()
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if err != nil {
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fmt.Println("handshake failure: ", err)
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} else {
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fmt.Println("handshake succeeded")
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printCertificates(tlsConn.ConnectionState().PeerCertificates)
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}
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tlsConn.Close()
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}
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fmt.Println("Tls ping finished")
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}
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func printCertificates(certs []*x509.Certificate) {
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for _, cert := range certs {
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if len(cert.DNSNames) == 0 {
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continue
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}
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fmt.Println("Allowed domains: ", cert.DNSNames)
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}
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}
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func showCert() func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
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return func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
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hash := v2tls.GenerateCertChainHash(rawCerts)
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fmt.Println("Certificate Chain Hash: ", base64.StdEncoding.EncodeToString(hash))
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return nil
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}
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}
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