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tls.go
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tls.go
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package tls
import (
"crypto/tls"
utls "github.com/refraction-networking/utls"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net"
)
//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
var (
_ buf.Writer = (*Conn)(nil)
)
type Conn struct {
*tls.Conn
}
func (c *Conn) WriteMultiBuffer(mb buf.MultiBuffer) error {
mb = buf.Compact(mb)
mb, err := buf.WriteMultiBuffer(c, mb)
buf.ReleaseMulti(mb)
return err
}
func (c *Conn) HandshakeAddress() net.Address {
if err := c.Handshake(); err != nil {
return nil
}
state := c.ConnectionState()
if state.ServerName == "" {
return nil
}
return net.ParseAddress(state.ServerName)
}
// Client initiates a TLS client handshake on the given connection.
func Client(c net.Conn, config *tls.Config) net.Conn {
tlsConn := tls.Client(c, config)
return &Conn{Conn: tlsConn}
}
// Server initiates a TLS server handshake on the given connection.
func Server(c net.Conn, config *tls.Config) net.Conn {
tlsConn := tls.Server(c, config)
return &Conn{Conn: tlsConn}
}
type UConn struct {
*utls.UConn
}
func (c *UConn) HandshakeAddress() net.Address {
if err := c.Handshake(); err != nil {
return nil
}
state := c.ConnectionState()
if state.ServerName == "" {
return nil
}
return net.ParseAddress(state.ServerName)
}
func UClient(c net.Conn, config *tls.Config, fingerprint *utls.ClientHelloID) net.Conn {
utlsConn := utls.UClient(c, copyConfig(config), *fingerprint)
return &UConn{UConn: utlsConn}
}
func copyConfig(c *tls.Config) *utls.Config {
return &utls.Config{
RootCAs: c.RootCAs,
ServerName: c.ServerName,
InsecureSkipVerify: c.InsecureSkipVerify,
}
}
var Fingerprints = map[string]*utls.ClientHelloID{
"chrome": &utls.HelloChrome_Auto,
"firefox": &utls.HelloFirefox_Auto,
"safari": &utls.HelloIOS_Auto,
"randomized": &utls.HelloRandomized,
}