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Trojan + allowInsecure = 裸奔
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// Licensed under WTFPL | |
package main | |
import ( | |
"bytes" | |
"crypto/rand" | |
"crypto/rsa" | |
"crypto/tls" | |
"crypto/x509" | |
"crypto/x509/pkix" | |
"encoding/pem" | |
"log" | |
"math/big" | |
"net" | |
"time" | |
) | |
func main() { | |
// generate cert | |
pub, priv := generateSelfSignedCertificates() | |
// load cert | |
cert, e := tls.X509KeyPair(pub.Bytes(), priv.Bytes()) | |
if e != nil { | |
panic(e) | |
} | |
// listen local | |
listener, e := net.Listen("tcp4", ":4433") | |
if e != nil { | |
panic(e) | |
} | |
// construct tls config | |
tlsConfig := tls.Config{ | |
Certificates: []tls.Certificate{cert}, | |
Rand: rand.Reader, | |
InsecureSkipVerify: true, | |
} | |
// event loop | |
for { | |
conn, e := listener.Accept() | |
if e != nil { | |
continue | |
} | |
go func(conn net.Conn) { | |
defer conn.Close() | |
tlsConn := tls.Server(conn, &tlsConfig) | |
if e = tlsConn.Handshake(); e != nil { | |
return | |
} | |
buf := make([]byte, 4096) | |
nSize, e := tlsConn.Read(buf) | |
if e != nil { | |
return | |
} | |
log.Printf("Trojan Packet Intercepted: %s", string(buf[:nSize])) | |
}(conn) | |
} | |
} | |
func generateSelfSignedCertificates() (pubCert *bytes.Buffer, privCert *bytes.Buffer){ | |
// generate a self-signed certificate. | |
keyring, e := rsa.GenerateKey(rand.Reader, 2048) | |
if e != nil { | |
panic(e) | |
} | |
template := x509.Certificate{ | |
SerialNumber: big.NewInt(1), | |
Subject: pkix.Name{ | |
Organization: []string{"Qv2ray & Alice & Bob"}, | |
}, | |
NotBefore: time.Now(), | |
NotAfter: time.Now().Add(time.Hour * 24 * 90), | |
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature, | |
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth}, | |
BasicConstraintsValid: true, | |
} | |
derBytes, e := x509.CreateCertificate(rand.Reader, &template, &template, &keyring.PublicKey, keyring) | |
if e != nil { | |
panic(e) | |
} | |
pubCert = &bytes.Buffer{} | |
e = pem.Encode(pubCert, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes}) | |
if e != nil { | |
panic(e) | |
} | |
privCert = &bytes.Buffer{} | |
e = pem.Encode(privCert, &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(keyring)}) | |
if e != nil { | |
panic(e) | |
} | |
return | |
} |
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