func main() {
l, err := net.Listen("tcp", ":9850")
if err != nil {
log.Println("Error listening: ", err)
os.Exit(1)
}
defer l.Close()
for {
// Listen for an incoming connection.
conn, err := l.Accept()
if err != nil {
log.Println("Error accepting: ", err)
continue
}
go simpleSocks5.Socks5Handle(conn)
}
}
func proxy(conn net.Conn, encode, decode cipher.Stream, randomDataLen int, key *[32]byte) {
cconn := cipherConn.NewCipherConn(decode, encode, conn)
var ri = 0
var randomdata = make([]byte, randomDataLen+poly1305.TagSize)
for ri < (randomDataLen + poly1305.TagSize) {
r, err := cconn.Read(randomdata[ri:])
if err != nil {
return
}
ri += r
}
var mac [16]byte
copy(mac[:], randomdata[randomDataLen:])
if !poly1305.Verify(&mac, randomdata[:randomDataLen], key) {
log.Println("poly1305 mac verify error")
return
}
simpleSocks5.Socks5Handle(cconn)
time.Sleep(time.Second)
}