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add tlsping utility

This commit is contained in:
Darien Raymond 2019-02-19 10:56:06 +01:00
parent 10d90f5fc1
commit 9476f38f8b
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105
infra/control/tlsping.go Normal file
View File

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package control
import (
"crypto/tls"
"flag"
"fmt"
"net"
"v2ray.com/core/common"
)
type TlsPingCommand struct{}
func (c *TlsPingCommand) Name() string {
return "tlsping"
}
func (c *TlsPingCommand) Description() Description {
return Description{
Short: "Ping the domain with TLS handshake",
Usage: []string{"v2ctl tlsping <domain> --ip <ip>"},
}
}
func (c *TlsPingCommand) Execute(args []string) error {
fs := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
ipStr := fs.String("ip", "", "IP address of the domain")
if err := fs.Parse(args); err != nil {
return newError("flag parsing").Base(err)
}
if fs.NArg() < 1 {
return newError("domain not specified")
}
domain := fs.Arg(0)
fmt.Println("Tls ping: ", domain)
var ip net.IP
if len(*ipStr) > 0 {
v := net.ParseIP(*ipStr)
if v == nil {
return newError("invalid IP: ", *ipStr)
}
ip = v
} else {
v, err := net.ResolveIPAddr("ip", domain)
if err != nil {
return newError("resolve IP").Base(err)
}
ip = v.IP
}
fmt.Println("Using IP: ", ip.String())
fmt.Println("Pinging without SNI")
{
tcpConn, err := net.DialTCP("tcp", nil, &net.TCPAddr{IP: ip, Port: 443})
if err != nil {
return newError("dial tcp").Base(err)
}
tlsConn := tls.Client(tcpConn, &tls.Config{
InsecureSkipVerify: true,
NextProtos: []string{"http/1.1"},
MaxVersion: tls.VersionTLS12,
MinVersion: tls.VersionTLS12,
})
err = tlsConn.Handshake()
if err != nil {
fmt.Println("Handshake failure: ", err)
} else {
fmt.Println("Handshake succeeded")
}
tlsConn.Close()
}
fmt.Println("Pinging with SNI")
{
tcpConn, err := net.DialTCP("tcp", nil, &net.TCPAddr{IP: ip, Port: 443})
if err != nil {
return newError("dial tcp").Base(err)
}
tlsConn := tls.Client(tcpConn, &tls.Config{
ServerName: domain,
NextProtos: []string{"http/1.1"},
MaxVersion: tls.VersionTLS12,
MinVersion: tls.VersionTLS12,
})
err = tlsConn.Handshake()
if err != nil {
fmt.Println("handshake failure: ", err)
} else {
fmt.Println("handshake succeeded")
}
tlsConn.Close()
}
fmt.Println("Tls ping finished")
return nil
}
func init() {
common.Must(RegisterCommand(&TlsPingCommand{}))
}