chore: periodically try fallback

adapter/inbound/socket.go

@@ -34,7 +34,7 @@ func NewInner(conn net.Conn, dst string, host string) *context.ConnContext {
 	metadata := &C.Metadata{}
 	metadata.NetWork = C.TCP
 	metadata.Type = C.INNER
-	metadata.DNSMode = C.DNSMapping
+	metadata.DNSMode = C.DNSNormal
 	metadata.Host = host
 	metadata.Process = C.ClashName
 	if h, port, err := net.SplitHostPort(dst); err == nil {

adapter/outbound/base.go

@@ -140,10 +140,15 @@ func (b *Base) DialOptions(opts ...dialer.Option) []dialer.Option {
 	default:
 	}
 
+	if b.tfo {
+		opts = append(opts, dialer.WithTFO(true))
+	}
+
 	return opts
 }
 
 type BasicOption struct {
+	TFO         bool   `proxy:"tfo,omitempty" group:"tfo,omitempty"`
 	Interface   string `proxy:"interface-name,omitempty" group:"interface-name,omitempty"`
 	RoutingMark int    `proxy:"routing-mark,omitempty" group:"routing-mark,omitempty"`
 	IPVersion   string `proxy:"ip-version,omitempty" group:"ip-version,omitempty"`

adapter/outbound/http.go

@@ -170,6 +170,7 @@ func NewHttp(option HttpOption) (*Http, error) {
 			name:   option.Name,
 			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
 			tp:     C.Http,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),

adapter/outbound/reject.go

@@ -53,6 +53,9 @@ func (rw *nopConn) Read(b []byte) (int, error) {
 }
 
 func (rw *nopConn) Write(b []byte) (int, error) {
+	if len(b) == 0 {
+		return 0, nil
+	}
 	return 0, io.EOF
 }
 

adapter/outbound/shadowsocks.go

@@ -2,7 +2,6 @@ package outbound
 
 import (
 	"context"
-	"crypto/tls"
 	"errors"
 	"fmt"
 	"net"
@@ -10,10 +9,9 @@ import (
 
 	"github.com/Dreamacro/clash/common/structure"
 	"github.com/Dreamacro/clash/component/dialer"
-	tlsC "github.com/Dreamacro/clash/component/tls"
 	C "github.com/Dreamacro/clash/constant"
-	"github.com/Dreamacro/clash/transport/shadowtls"
 	obfs "github.com/Dreamacro/clash/transport/simple-obfs"
+	shadowtls "github.com/Dreamacro/clash/transport/sing-shadowtls"
 	"github.com/Dreamacro/clash/transport/socks5"
 	v2rayObfs "github.com/Dreamacro/clash/transport/v2ray-plugin"
 
@@ -33,8 +31,7 @@ type ShadowSocks struct {
 	obfsMode        string
 	obfsOption      *simpleObfsOption
 	v2rayOption     *v2rayObfs.Option
-	shadowTLSOption *shadowTLSOption
-	tlsConfig       *tls.Config
+	shadowTLSOption *shadowtls.ShadowTLSOption
 }
 
 type ShadowSocksOption struct {
@@ -67,14 +64,31 @@ type v2rayObfsOption struct {
 }
 
 type shadowTLSOption struct {
-	Password       string `obfs:"password"`
-	Host           string `obfs:"host"`
-	Fingerprint    string `obfs:"fingerprint,omitempty"`
-	SkipCertVerify bool   `obfs:"skip-cert-verify,omitempty"`
+	Password          string `obfs:"password"`
+	Host              string `obfs:"host"`
+	Fingerprint       string `obfs:"fingerprint,omitempty"`
+	ClientFingerprint string `obfs:"client-fingerprint,omitempty"`
+	SkipCertVerify    bool   `obfs:"skip-cert-verify,omitempty"`
+	Version           int    `obfs:"version,omitempty"`
 }
 
 // StreamConn implements C.ProxyAdapter
 func (ss *ShadowSocks) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
+	switch ss.obfsMode {
+	case shadowtls.Mode:
+		// fix tls handshake not timeout
+		ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTLSTimeout)
+		defer cancel()
+		var err error
+		c, err = shadowtls.NewShadowTLS(ctx, c, ss.shadowTLSOption)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return ss.streamConn(c, metadata)
+}
+
+func (ss *ShadowSocks) streamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	switch ss.obfsMode {
 	case "tls":
 		c = obfs.NewTLSObfs(c, ss.obfsOption.Host)
@@ -87,13 +101,11 @@ func (ss *ShadowSocks) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, e
 		if err != nil {
 			return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 		}
-	case shadowtls.Mode:
-		c = shadowtls.NewShadowTLS(c, ss.shadowTLSOption.Password, ss.tlsConfig)
 	}
 	if metadata.NetWork == C.UDP && ss.option.UDPOverTCP {
-		return ss.method.DialConn(c, M.ParseSocksaddr(uot.UOTMagicAddress+":443"))
+		return ss.method.DialEarlyConn(c, M.ParseSocksaddr(uot.UOTMagicAddress+":443")), nil
 	}
-	return ss.method.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+	return ss.method.DialEarlyConn(c, M.ParseSocksaddr(metadata.RemoteAddress())), nil
 }
 
 // DialContext implements C.ProxyAdapter
@@ -113,7 +125,15 @@ func (ss *ShadowSocks) DialContextWithDialer(ctx context.Context, dialer C.Diale
 		safeConnClose(c, err)
 	}(c)
 
-	c, err = ss.StreamConn(c, metadata)
+	switch ss.obfsMode {
+	case shadowtls.Mode:
+		c, err = shadowtls.NewShadowTLS(ctx, c, ss.shadowTLSOption)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	c, err = ss.streamConn(c, metadata)
 	return NewConn(c, ss), err
 }
 
@@ -171,8 +191,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 
 	var v2rayOption *v2rayObfs.Option
 	var obfsOption *simpleObfsOption
-	var shadowTLSOpt *shadowTLSOption
-	var tlsConfig *tls.Config
+	var shadowTLSOpt *shadowtls.ShadowTLSOption
 	obfsMode := ""
 
 	decoder := structure.NewDecoder(structure.Option{TagName: "obfs", WeaklyTypedInput: true})
@@ -210,24 +229,20 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 		}
 	} else if option.Plugin == shadowtls.Mode {
 		obfsMode = shadowtls.Mode
-		shadowTLSOpt = &shadowTLSOption{}
-		if err := decoder.Decode(option.PluginOpts, shadowTLSOpt); err != nil {
+		opt := &shadowTLSOption{
+			Version: 2,
+		}
+		if err := decoder.Decode(option.PluginOpts, opt); err != nil {
 			return nil, fmt.Errorf("ss %s initialize shadow-tls-plugin error: %w", addr, err)
 		}
 
-		tlsConfig = &tls.Config{
-			NextProtos:         shadowtls.DefaultALPN,
-			MinVersion:         tls.VersionTLS12,
-			InsecureSkipVerify: shadowTLSOpt.SkipCertVerify,
-			ServerName:         shadowTLSOpt.Host,
-		}
-
-		if len(shadowTLSOpt.Fingerprint) == 0 {
-			tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
-		} else {
-			if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, shadowTLSOpt.Fingerprint); err != nil {
-				return nil, err
-			}
+		shadowTLSOpt = &shadowtls.ShadowTLSOption{
+			Password:          opt.Password,
+			Host:              opt.Host,
+			Fingerprint:       opt.Fingerprint,
+			ClientFingerprint: opt.ClientFingerprint,
+			SkipCertVerify:    opt.SkipCertVerify,
+			Version:           opt.Version,
 		}
 	}
 
@@ -237,6 +252,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 			addr:   addr,
 			tp:     C.Shadowsocks,
 			udp:    option.UDP,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),
@@ -248,7 +264,6 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 		v2rayOption:     v2rayOption,
 		obfsOption:      obfsOption,
 		shadowTLSOption: shadowTLSOpt,
-		tlsConfig:       tlsConfig,
 	}, nil
 }
 

adapter/outbound/shadowsocksr.go

@@ -163,6 +163,7 @@ func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {
 			addr:   addr,
 			tp:     C.ShadowsocksR,
 			udp:    option.UDP,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),

adapter/outbound/snell.go

@@ -167,6 +167,7 @@ func NewSnell(option SnellOption) (*Snell, error) {
 			addr:   addr,
 			tp:     C.Snell,
 			udp:    option.UDP,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),

adapter/outbound/socks5.go

@@ -182,6 +182,7 @@ func NewSocks5(option Socks5Option) (*Socks5, error) {
 			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
 			tp:     C.Socks5,
 			udp:    option.UDP,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),

adapter/outbound/trojan.go

@@ -250,6 +250,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 			addr:   addr,
 			tp:     C.Trojan,
 			udp:    option.UDP,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),

adapter/outbound/tuic.go

@@ -51,6 +51,7 @@ type TuicOption struct {
 	ReceiveWindowConn   int    `proxy:"recv-window-conn,omitempty"`
 	ReceiveWindow       int    `proxy:"recv-window,omitempty"`
 	DisableMTUDiscovery bool   `proxy:"disable-mtu-discovery,omitempty"`
+	SNI                 string `proxy:"sni,omitempty"`
 }
 
 // DialContext implements C.ProxyAdapter
@@ -106,12 +107,14 @@ func (t *Tuic) dialWithDialer(ctx context.Context, dialer C.Dialer) (pc net.Pack
 func NewTuic(option TuicOption) (*Tuic, error) {
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
 	serverName := option.Server
-
 	tlsConfig := &tls.Config{
 		ServerName:         serverName,
 		InsecureSkipVerify: option.SkipCertVerify,
 		MinVersion:         tls.VersionTLS13,
 	}
+	if option.SNI != "" {
+		tlsConfig.ServerName = option.SNI
+	}
 
 	var bs []byte
 	var err error
@@ -213,6 +216,7 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 			udp:    true,
 			tfo:    option.FastOpen,
 			iface:  option.Interface,
+			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 	}

adapter/outbound/vless.go

@@ -171,7 +171,7 @@ func (v *Vless) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 func (v *Vless) streamTLSOrXTLSConn(conn net.Conn, isH2 bool) (net.Conn, error) {
 	host, _, _ := net.SplitHostPort(v.addr)
 
-	if v.isXTLSEnabled() && !isH2 {
+	if v.isLegacyXTLSEnabled() && !isH2 {
 		xtlsOpts := vless.XTLSConfig{
 			Host:           host,
 			SkipCertVerify: v.option.SkipCertVerify,
@@ -206,8 +206,8 @@ func (v *Vless) streamTLSOrXTLSConn(conn net.Conn, isH2 bool) (net.Conn, error)
 	return conn, nil
 }
 
-func (v *Vless) isXTLSEnabled() bool {
-	return v.client.Addons != nil
+func (v *Vless) isLegacyXTLSEnabled() bool {
+	return v.client.Addons != nil && v.client.Addons.Flow != vless.XRV
 }
 
 // DialContext implements C.ProxyAdapter
@@ -479,7 +479,7 @@ func NewVless(option VlessOption) (*Vless, error) {
 	if option.Network != "ws" && len(option.Flow) >= 16 {
 		option.Flow = option.Flow[:16]
 		switch option.Flow {
-		case vless.XRO, vless.XRD, vless.XRS:
+		case vless.XRO, vless.XRD, vless.XRS, vless.XRV:
 			addons = &vless.Addons{
 				Flow: option.Flow,
 			}
@@ -510,6 +510,7 @@ func NewVless(option VlessOption) (*Vless, error) {
 			tp:     C.Vless,
 			udp:    option.UDP,
 			xudp:   option.XUDP,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),

adapter/outbound/vmess.go

@@ -213,12 +213,12 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	}
 	if metadata.NetWork == C.UDP {
 		if v.option.XUDP {
-			return v.client.DialXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			return v.client.DialEarlyXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress())), nil
 		} else {
-			return v.client.DialPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			return v.client.DialEarlyPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress())), nil
 		}
 	} else {
-		return v.client.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+		return v.client.DialEarlyConn(c, M.ParseSocksaddr(metadata.RemoteAddress())), nil
 	}
 }
 
@@ -289,9 +289,9 @@ func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 		}(c)
 
 		if v.option.XUDP {
-			c, err = v.client.DialXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			c = v.client.DialEarlyXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
 		} else {
-			c, err = v.client.DialPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			c = v.client.DialEarlyPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
 		}
 
 		if err != nil {
@@ -387,6 +387,7 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 			tp:     C.Vmess,
 			udp:    option.UDP,
 			xudp:   option.XUDP,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),

adapter/outbound/wireguard.go

@@ -17,7 +17,7 @@ import (
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
-	"github.com/Dreamacro/clash/listener/sing"
+	"github.com/Dreamacro/clash/log"
 
 	wireguard "github.com/metacubex/sing-wireguard"
 
@@ -174,14 +174,14 @@ func NewWireGuard(option WireGuardOption) (*WireGuard, error) {
 	}
 	outbound.device = device.NewDevice(outbound.tunDevice, outbound.bind, &device.Logger{
 		Verbosef: func(format string, args ...interface{}) {
-			sing.Logger.Debug(fmt.Sprintf(strings.ToLower(format), args...))
+			log.SingLogger.Debug(fmt.Sprintf(strings.ToLower(format), args...))
 		},
 		Errorf: func(format string, args ...interface{}) {
-			sing.Logger.Error(fmt.Sprintf(strings.ToLower(format), args...))
+			log.SingLogger.Error(fmt.Sprintf(strings.ToLower(format), args...))
 		},
 	}, option.Workers)
 	if debug.Enabled {
-		sing.Logger.Trace("created wireguard ipc conf: \n", ipcConf)
+		log.SingLogger.Trace("created wireguard ipc conf: \n", ipcConf)
 	}
 	err = outbound.device.IpcSet(ipcConf)
 	if err != nil {

adapter/outboundgroup/fallback.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
+	"github.com/Dreamacro/clash/common/callback"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
@@ -30,11 +31,21 @@ func (f *Fallback) DialContext(ctx context.Context, metadata *C.Metadata, opts .
 	c, err := proxy.DialContext(ctx, metadata, f.Base.DialOptions(opts...)...)
 	if err == nil {
 		c.AppendToChains(f)
-		f.onDialSuccess()
 	} else {
 		f.onDialFailed(proxy.Type(), err)
 	}
 
+	c = &callback.FirstWriteCallBackConn{
+		Conn: c,
+		Callback: func(err error) {
+			if err == nil {
+				f.onDialSuccess()
+			} else {
+				f.onDialFailed(proxy.Type(), err)
+			}
+		},
+	}
+
 	return c, err
 }
 

adapter/outboundgroup/loadbalance.go

@@ -10,6 +10,7 @@ import (
 
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/common/cache"
+	"github.com/Dreamacro/clash/common/callback"
 	"github.com/Dreamacro/clash/common/murmur3"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
@@ -83,17 +84,24 @@ func jumpHash(key uint64, buckets int32) int32 {
 // DialContext implements C.ProxyAdapter
 func (lb *LoadBalance) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (c C.Conn, err error) {
 	proxy := lb.Unwrap(metadata, true)
-
-	defer func() {
-		if err == nil {
-			c.AppendToChains(lb)
-			lb.onDialSuccess()
-		} else {
-			lb.onDialFailed(proxy.Type(), err)
-		}
-	}()
-
 	c, err = proxy.DialContext(ctx, metadata, lb.Base.DialOptions(opts...)...)
+
+	if err == nil {
+		c.AppendToChains(lb)
+	} else {
+		lb.onDialFailed(proxy.Type(), err)
+	}
+
+	c = &callback.FirstWriteCallBackConn{
+		Conn: c,
+		Callback: func(err error) {
+			if err == nil {
+				lb.onDialSuccess()
+			} else {
+				lb.onDialFailed(proxy.Type(), err)
+			}
+		},
+	}
 	return
 }
 

adapter/outboundgroup/urltest.go

@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
+	"github.com/Dreamacro/clash/common/callback"
 	"github.com/Dreamacro/clash/common/singledo"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
@@ -38,10 +39,20 @@ func (u *URLTest) DialContext(ctx context.Context, metadata *C.Metadata, opts ..
 	c, err = proxy.DialContext(ctx, metadata, u.Base.DialOptions(opts...)...)
 	if err == nil {
 		c.AppendToChains(u)
-		u.onDialSuccess()
 	} else {
 		u.onDialFailed(proxy.Type(), err)
 	}
+
+	c = &callback.FirstWriteCallBackConn{
+		Conn: c,
+		Callback: func(err error) {
+			if err == nil {
+				u.onDialSuccess()
+			} else {
+				u.onDialFailed(proxy.Type(), err)
+			}
+		},
+	}
 	return c, err
 }
 

common/buf/sing.go

@@ -5,9 +5,15 @@ import (
 	"github.com/sagernet/sing/common/buf"
 )
 
+const BufferSize = buf.BufferSize
+
 type Buffer = buf.Buffer
 
+var New = buf.New
+var StackNew = buf.StackNew
 var StackNewSize = buf.StackNewSize
+var With = buf.With
+
 var KeepAlive = common.KeepAlive
 
 //go:norace

common/callback/callback.go

@@ -0,0 +1,25 @@
+package callback
+
+import (
+	C "github.com/Dreamacro/clash/constant"
+)
+
+type FirstWriteCallBackConn struct {
+	C.Conn
+	Callback func(error)
+	written  bool
+}
+
+func (c *FirstWriteCallBackConn) Write(b []byte) (n int, err error) {
+	defer func() {
+		if !c.written {
+			c.written = true
+			c.Callback(err)
+		}
+	}()
+	return c.Conn.Write(b)
+}
+
+func (c *FirstWriteCallBackConn) Upstream() any {
+	return c.Conn
+}

common/net/bufconn.go

@@ -12,13 +12,14 @@ var _ ExtendedConn = (*BufferedConn)(nil)
 type BufferedConn struct {
 	r *bufio.Reader
 	ExtendedConn
+	peeked bool
 }
 
 func NewBufferedConn(c net.Conn) *BufferedConn {
 	if bc, ok := c.(*BufferedConn); ok {
 		return bc
 	}
-	return &BufferedConn{bufio.NewReader(c), NewExtendedConn(c)}
+	return &BufferedConn{bufio.NewReader(c), NewExtendedConn(c), false}
 }
 
 // Reader returns the internal bufio.Reader.
@@ -26,11 +27,24 @@ func (c *BufferedConn) Reader() *bufio.Reader {
 	return c.r
 }
 
+func (c *BufferedConn) ResetPeeked() {
+	c.peeked = false
+}
+
+func (c *BufferedConn) Peeked() bool {
+	return c.peeked
+}
+
 // Peek returns the next n bytes without advancing the reader.
 func (c *BufferedConn) Peek(n int) ([]byte, error) {
+	c.peeked = true
 	return c.r.Peek(n)
 }
 
+func (c *BufferedConn) Discard(n int) (discarded int, err error) {
+	return c.r.Discard(n)
+}
+
 func (c *BufferedConn) Read(p []byte) (int, error) {
 	return c.r.Read(p)
 }

component/dialer/bind_windows.go

@@ -37,14 +37,25 @@ func bindControl(ifaceIdx int) controlFn {
 		var innerErr error
 		err = c.Control(func(fd uintptr) {
 			handle := syscall.Handle(fd)
+			bind6err := bind6(handle, ifaceIdx)
+			bind4err := bind4(handle, ifaceIdx)
 			switch network {
-			case "tcp6", "udp6":
-				innerErr = bind6(handle, ifaceIdx)
-				_ = bind4(handle, ifaceIdx)
-			default:
-				innerErr = bind4(handle, ifaceIdx)
-				// try bind ipv6, if failed, ignore. it's a workaround for windows disable interface ipv6
-				_ = bind6(handle, ifaceIdx)
+			case "ip6", "tcp6":
+				innerErr = bind6err
+			case "ip4", "tcp4", "udp4":
+				innerErr = bind4err
+			case "udp6":
+				// golang will set network to udp6 when listenUDP on wildcard ip (eg: ":0", "")
+				if (!addrPort.Addr().IsValid() || addrPort.Addr().IsUnspecified()) && bind6err != nil {
+					// try bind ipv6, if failed, ignore. it's a workaround for windows disable interface ipv6
+					if bind4err != nil {
+						innerErr = bind6err
+					} else {
+						innerErr = bind4err
+					}
+				} else {
+					innerErr = bind6err
+				}
 			}
 		})
 

component/dialer/dialer.go

@@ -8,20 +8,19 @@ import (
 	"net/netip"
 	"strings"
 	"sync"
+	"time"
 
 	"github.com/Dreamacro/clash/component/resolver"
-
-	"go.uber.org/atomic"
 )
 
 var (
-	dialMux                    sync.Mutex
-	actualSingleDialContext    = singleDialContext
-	actualDualStackDialContext = dualStackDialContext
-	tcpConcurrent              = false
-	DisableIPv6                = false
-	ErrorInvalidedNetworkStack = errors.New("invalided network stack")
-	ErrorDisableIPv6           = errors.New("IPv6 is disabled, dialer cancel")
+	dialMux                      sync.Mutex
+	actualSingleStackDialContext = serialSingleStackDialContext
+	actualDualStackDialContext   = serialDualStackDialContext
+	tcpConcurrent                = false
+	ErrorInvalidedNetworkStack   = errors.New("invalided network stack")
+	ErrorConnTimeout             = errors.New("connect timeout")
+	fallbackTimeout              = 300 * time.Millisecond
 )
 
 func applyOptions(options ...Option) *option {
@@ -56,7 +55,7 @@ func DialContext(ctx context.Context, network, address string, options ...Option
 
 	switch network {
 	case "tcp4", "tcp6", "udp4", "udp6":
-		return actualSingleDialContext(ctx, network, address, opt)
+		return actualSingleStackDialContext(ctx, network, address, opt)
 	case "tcp", "udp":
 		return actualDualStackDialContext(ctx, network, address, opt)
 	default:
@@ -65,18 +64,7 @@ func DialContext(ctx context.Context, network, address string, options ...Option
 }
 
 func ListenPacket(ctx context.Context, network, address string, options ...Option) (net.PacketConn, error) {
-	cfg := &option{
-		interfaceName: DefaultInterface.Load(),
-		routingMark:   int(DefaultRoutingMark.Load()),
-	}
-
-	for _, o := range DefaultOptions {
-		o(cfg)
-	}
-
-	for _, o := range options {
-		o(cfg)
-	}
+	cfg := applyOptions(options...)
 
 	lc := &net.ListenConfig{}
 	if cfg.interfaceName != "" {
@@ -100,11 +88,11 @@ func SetDial(concurrent bool) {
 	dialMux.Lock()
 	tcpConcurrent = concurrent
 	if concurrent {
-		actualSingleDialContext = concurrentSingleDialContext
+		actualSingleStackDialContext = concurrentSingleStackDialContext
 		actualDualStackDialContext = concurrentDualStackDialContext
 	} else {
-		actualSingleDialContext = singleDialContext
-		actualDualStackDialContext = dualStackDialContext
+		actualSingleStackDialContext = serialSingleStackDialContext
+		actualDualStackDialContext = serialDualStackDialContext
 	}
 
 	dialMux.Unlock()
@@ -125,312 +113,64 @@ func dialContext(ctx context.Context, network string, destination netip.Addr, po
 		bindMarkToDialer(opt.routingMark, dialer, network, destination)
 	}
 
-	if DisableIPv6 && destination.Is6() {
-		return nil, ErrorDisableIPv6
+	address := net.JoinHostPort(destination.String(), port)
+	if opt.tfo {
+		return dialTFO(ctx, *dialer, network, address)
 	}
-
-	return dialer.DialContext(ctx, network, net.JoinHostPort(destination.String(), port))
+	return dialer.DialContext(ctx, network, address)
 }
 
-func dualStackDialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
-	host, port, err := net.SplitHostPort(address)
+func serialSingleStackDialContext(ctx context.Context, network string, address string, opt *option) (net.Conn, error) {
+	ips, port, err := parseAddr(ctx, network, address, opt.resolver)
+	if err != nil {
+		return nil, err
+	}
+	return serialDialContext(ctx, network, ips, port, opt)
+}
+
+func serialDualStackDialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
+	ips, port, err := parseAddr(ctx, network, address, opt.resolver)
+	if err != nil {
+		return nil, err
+	}
+	return dualStackDialContext(
+		ctx,
+		func(ctx context.Context) (net.Conn, error) { return serialDialContext(ctx, network, ips, port, opt) },
+		func(ctx context.Context) (net.Conn, error) { return serialDialContext(ctx, network, ips, port, opt) },
+		opt.prefer == 4)
+}
+
+func concurrentSingleStackDialContext(ctx context.Context, network string, address string, opt *option) (net.Conn, error) {
+	ips, port, err := parseAddr(ctx, network, address, opt.resolver)
 	if err != nil {
 		return nil, err
 	}
 
-	returned := make(chan struct{})
-	defer close(returned)
-
-	type dialResult struct {
-		net.Conn
-		error
-		resolved bool
-		ipv6     bool
-		done     bool
-	}
-	results := make(chan dialResult)
-	var primary, fallback dialResult
-
-	startRacer := func(ctx context.Context, network, host string, r resolver.Resolver, ipv6 bool) {
-		result := dialResult{ipv6: ipv6, done: true}
-		defer func() {
-			select {
-			case results <- result:
-			case <-returned:
-				if result.Conn != nil {
-					_ = result.Conn.Close()
-				}
-			}
-		}()
-
-		var ip netip.Addr
-		if ipv6 {
-			if r == nil {
-				ip, result.error = resolver.ResolveIPv6ProxyServerHost(ctx, host)
-			} else {
-				ip, result.error = resolver.ResolveIPv6WithResolver(ctx, host, r)
-			}
-		} else {
-			if r == nil {
-				ip, result.error = resolver.ResolveIPv4ProxyServerHost(ctx, host)
-			} else {
-				ip, result.error = resolver.ResolveIPv4WithResolver(ctx, host, r)
-			}
-		}
-		if result.error != nil {
-			return
-		}
-		result.resolved = true
-
-		result.Conn, result.error = dialContext(ctx, network, ip, port, opt)
-	}
-
-	go startRacer(ctx, network+"4", host, opt.resolver, false)
-	go startRacer(ctx, network+"6", host, opt.resolver, true)
-
-	count := 2
-	for i := 0; i < count; i++ {
-		select {
-		case res := <-results:
-			if res.error == nil {
-				return res.Conn, nil
-			}
-
-			if !res.ipv6 {
-				primary = res
-			} else {
-				fallback = res
-			}
-
-			if primary.done && fallback.done {
-				if primary.resolved {
-					return nil, primary.error
-				} else if fallback.resolved {
-					return nil, fallback.error
-				} else {
-					return nil, primary.error
-				}
-			}
-		case <-ctx.Done():
-			err = ctx.Err()
-			break
-		}
-	}
-
-	if err == nil {
-		err = fmt.Errorf("dual stack dial failed")
+	if conn, err := parallelDialContext(ctx, network, ips, port, opt); err != nil {
+		return nil, err
 	} else {
-		err = fmt.Errorf("dual stack dial failed:%w", err)
+		return conn, nil
 	}
-	return nil, err
 }
 
 func concurrentDualStackDialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
-	host, port, err := net.SplitHostPort(address)
+	ips, port, err := parseAddr(ctx, network, address, opt.resolver)
 	if err != nil {
 		return nil, err
 	}
-
-	var ips []netip.Addr
-	if opt.resolver != nil {
-		ips, err = resolver.LookupIPWithResolver(ctx, host, opt.resolver)
-	} else {
-		ips, err = resolver.LookupIPProxyServerHost(ctx, host)
+	if opt.prefer != 4 && opt.prefer != 6 {
+		return parallelDialContext(ctx, network, ips, port, opt)
 	}
-
-	if err != nil {
-		return nil, err
-	}
-
-	return concurrentDialContext(ctx, network, ips, port, opt)
-}
-
-func concurrentDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
-	returned := make(chan struct{})
-	defer close(returned)
-
-	type dialResult struct {
-		ip netip.Addr
-		net.Conn
-		error
-		isPrimary bool
-		done      bool
-	}
-
-	preferCount := atomic.NewInt32(0)
-	results := make(chan dialResult)
-	tcpRacer := func(ctx context.Context, ip netip.Addr) {
-		result := dialResult{ip: ip, done: true}
-
-		defer func() {
-			select {
-			case results <- result:
-			case <-returned:
-				if result.Conn != nil {
-					_ = result.Conn.Close()
-				}
-			}
-		}()
-		if strings.Contains(network, "tcp") {
-			network = "tcp"
-		} else {
-			network = "udp"
-		}
-
-		if ip.Is6() {
-			network += "6"
-			if opt.prefer != 4 {
-				result.isPrimary = true
-			}
-		}
-
-		if ip.Is4() {
-			network += "4"
-			if opt.prefer != 6 {
-				result.isPrimary = true
-			}
-		}
-
-		if result.isPrimary {
-			preferCount.Add(1)
-		}
-
-		result.Conn, result.error = dialContext(ctx, network, ip, port, opt)
-	}
-
-	for _, ip := range ips {
-		go tcpRacer(ctx, ip)
-	}
-
-	connCount := len(ips)
-	var fallback dialResult
-	var primaryError error
-	var finalError error
-	for i := 0; i < connCount; i++ {
-		select {
-		case res := <-results:
-			if res.error == nil {
-				if res.isPrimary {
-					return res.Conn, nil
-				} else {
-					if !fallback.done || fallback.error != nil {
-						fallback = res
-					}
-				}
-			} else {
-				if res.isPrimary {
-					primaryError = res.error
-					preferCount.Add(-1)
-					if preferCount.Load() == 0 && fallback.done && fallback.error == nil {
-						return fallback.Conn, nil
-					}
-				}
-			}
-		case <-ctx.Done():
-			if fallback.done && fallback.error == nil {
-				return fallback.Conn, nil
-			}
-			finalError = ctx.Err()
-			break
-		}
-	}
-
-	if fallback.done && fallback.error == nil {
-		return fallback.Conn, nil
-	}
-
-	if primaryError != nil {
-		return nil, primaryError
-	}
-
-	if fallback.error != nil {
-		return nil, fallback.error
-	}
-
-	if finalError == nil {
-		finalError = fmt.Errorf("all ips %v tcp shake hands failed", ips)
-	} else {
-		finalError = fmt.Errorf("concurrent dial failed:%w", finalError)
-	}
-
-	return nil, finalError
-}
-
-func singleDialContext(ctx context.Context, network string, address string, opt *option) (net.Conn, error) {
-	host, port, err := net.SplitHostPort(address)
-	if err != nil {
-		return nil, err
-	}
-
-	var ip netip.Addr
-	switch network {
-	case "tcp4", "udp4":
-		if opt.resolver == nil {
-			ip, err = resolver.ResolveIPv4ProxyServerHost(ctx, host)
-		} else {
-			ip, err = resolver.ResolveIPv4WithResolver(ctx, host, opt.resolver)
-		}
-	default:
-		if opt.resolver == nil {
-			ip, err = resolver.ResolveIPv6ProxyServerHost(ctx, host)
-		} else {
-			ip, err = resolver.ResolveIPv6WithResolver(ctx, host, opt.resolver)
-		}
-	}
-	if err != nil {
-		return nil, err
-	}
-
-	return dialContext(ctx, network, ip, port, opt)
-}
-
-func concurrentSingleDialContext(ctx context.Context, network string, address string, opt *option) (net.Conn, error) {
-	switch network {
-	case "tcp4", "udp4":
-		return concurrentIPv4DialContext(ctx, network, address, opt)
-	default:
-		return concurrentIPv6DialContext(ctx, network, address, opt)
-	}
-}
-
-func concurrentIPv4DialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
-	host, port, err := net.SplitHostPort(address)
-	if err != nil {
-		return nil, err
-	}
-
-	var ips []netip.Addr
-	if opt.resolver == nil {
-		ips, err = resolver.LookupIPv4ProxyServerHost(ctx, host)
-	} else {
-		ips, err = resolver.LookupIPv4WithResolver(ctx, host, opt.resolver)
-	}
-
-	if err != nil {
-		return nil, err
-	}
-
-	return concurrentDialContext(ctx, network, ips, port, opt)
-}
-
-func concurrentIPv6DialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
-	host, port, err := net.SplitHostPort(address)
-	if err != nil {
-		return nil, err
-	}
-
-	var ips []netip.Addr
-	if opt.resolver == nil {
-		ips, err = resolver.LookupIPv6ProxyServerHost(ctx, host)
-	} else {
-		ips, err = resolver.LookupIPv6WithResolver(ctx, host, opt.resolver)
-	}
-
-	if err != nil {
-		return nil, err
-	}
-
-	return concurrentDialContext(ctx, network, ips, port, opt)
+	ipv4s, ipv6s := sortationAddr(ips)
+	return dualStackDialContext(
+		ctx,
+		func(ctx context.Context) (net.Conn, error) {
+			return parallelDialContext(ctx, network, ipv4s, port, opt)
+		},
+		func(ctx context.Context) (net.Conn, error) {
+			return parallelDialContext(ctx, network, ipv6s, port, opt)
+		},
+		opt.prefer == 4)
 }
 
 type Dialer struct {
@@ -449,3 +189,162 @@ func NewDialer(options ...Option) Dialer {
 	opt := applyOptions(options...)
 	return Dialer{Opt: *opt}
 }
+
+func dualStackDialContext(
+	ctx context.Context,
+	ipv4DialFn func(ctx context.Context) (net.Conn, error),
+	ipv6DialFn func(ctx context.Context) (net.Conn, error),
+	preferIPv4 bool) (net.Conn, error) {
+	fallbackTicker := time.NewTicker(fallbackTimeout)
+	defer fallbackTicker.Stop()
+	results := make(chan dialResult)
+	returned := make(chan struct{})
+	defer close(returned)
+	racer := func(dial func(ctx context.Context) (net.Conn, error), isPrimary bool) {
+		result := dialResult{isPrimary: isPrimary}
+		defer func() {
+			select {
+			case results <- result:
+			case <-returned:
+				if result.Conn != nil {
+					_ = result.Conn.Close()
+				}
+			}
+		}()
+		result.Conn, result.error = dial(ctx)
+	}
+	go racer(ipv4DialFn, preferIPv4)
+	go racer(ipv6DialFn, !preferIPv4)
+	var fallback dialResult
+	var err error
+	for {
+		select {
+		case <-ctx.Done():
+			if fallback.error == nil && fallback.Conn != nil {
+				return fallback.Conn, nil
+			}
+			return nil, fmt.Errorf("dual stack connect failed: %w", err)
+		case <-fallbackTicker.C:
+			if fallback.error == nil && fallback.Conn != nil {
+				return fallback.Conn, nil
+			}
+		case res := <-results:
+			if res.error == nil {
+				if res.isPrimary {
+					return res.Conn, nil
+				}
+				fallback = res
+			}
+			err = res.error
+		}
+	}
+}
+
+func parallelDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
+	results := make(chan dialResult)
+	returned := make(chan struct{})
+	defer close(returned)
+	tcpRacer := func(ctx context.Context, ip netip.Addr, port string) {
+		result := dialResult{isPrimary: true}
+		defer func() {
+			select {
+			case results <- result:
+			case <-returned:
+				if result.Conn != nil {
+					_ = result.Conn.Close()
+				}
+			}
+		}()
+		result.ip = ip
+		result.Conn, result.error = dialContext(ctx, network, ip, port, opt)
+	}
+
+	for _, ip := range ips {
+		go tcpRacer(ctx, ip, port)
+	}
+	var err error
+	for {
+		select {
+		case <-ctx.Done():
+			if err != nil {
+				return nil, err
+			}
+			if ctx.Err() == context.DeadlineExceeded {
+				return nil, ErrorConnTimeout
+			}
+			return nil, ctx.Err()
+		case res := <-results:
+			if res.error == nil {
+				return res.Conn, nil
+			}
+			err = res.error
+		}
+	}
+}
+
+func serialDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
+	var (
+		conn net.Conn
+		err  error
+		errs []error
+	)
+	for _, ip := range ips {
+		if conn, err = dialContext(ctx, network, ip, port, opt); err == nil {
+			return conn, nil
+		} else {
+			errs = append(errs, err)
+		}
+	}
+	return nil, errors.Join(errs...)
+}
+
+type dialResult struct {
+	ip netip.Addr
+	net.Conn
+	error
+	isPrimary bool
+}
+
+func parseAddr(ctx context.Context, network, address string, preferResolver resolver.Resolver) ([]netip.Addr, string, error) {
+	host, port, err := net.SplitHostPort(address)
+	if err != nil {
+		return nil, "-1", err
+	}
+
+	var ips []netip.Addr
+	switch network {
+	case "tcp4", "udp4":
+		if preferResolver == nil {
+			ips, err = resolver.LookupIPv4ProxyServerHost(ctx, host)
+		} else {
+			ips, err = resolver.LookupIPv4WithResolver(ctx, host, preferResolver)
+		}
+	case "tcp6", "udp6":
+		if preferResolver == nil {
+			ips, err = resolver.LookupIPv6ProxyServerHost(ctx, host)
+		} else {
+			ips, err = resolver.LookupIPv6WithResolver(ctx, host, preferResolver)
+		}
+	default:
+		if preferResolver == nil {
+			ips, err = resolver.LookupIP(ctx, host)
+		} else {
+			ips, err = resolver.LookupIPWithResolver(ctx, host, preferResolver)
+		}
+	}
+	if err != nil {
+		return nil, "-1", fmt.Errorf("dns resolve failed: %w", err)
+	}
+	return ips, port, nil
+}
+
+func sortationAddr(ips []netip.Addr) (ipv4s, ipv6s []netip.Addr) {
+	for _, v := range ips {
+		if v.Is4() || v.Is4In6() {
+			ipv4s = append(ipv4s, v)
+		} else {
+			ipv6s = append(ipv6s, v)
+		}
+	}
+	return
+}

component/dialer/options.go

@@ -18,6 +18,7 @@ type option struct {
 	routingMark   int
 	network       int
 	prefer        int
+	tfo           bool
 	resolver      resolver.Resolver
 }
 
@@ -69,6 +70,12 @@ func WithOnlySingleStack(isIPv4 bool) Option {
 	}
 }
 
+func WithTFO(tfo bool) Option {
+	return func(opt *option) {
+		opt.tfo = tfo
+	}
+}
+
 func WithOption(o option) Option {
 	return func(opt *option) {
 		*opt = o

component/dialer/tfo.go

@@ -0,0 +1,119 @@
+package dialer
+
+import (
+	"context"
+	"github.com/sagernet/tfo-go"
+	"io"
+	"net"
+	"time"
+)
+
+type tfoConn struct {
+	net.Conn
+	closed bool
+	dialed chan bool
+	cancel context.CancelFunc
+	ctx    context.Context
+	dialFn func(ctx context.Context, earlyData []byte) (net.Conn, error)
+}
+
+func (c *tfoConn) Dial(earlyData []byte) (err error) {
+	c.Conn, err = c.dialFn(c.ctx, earlyData)
+	if err != nil {
+		return
+	}
+	c.dialed <- true
+	return err
+}
+
+func (c *tfoConn) Read(b []byte) (n int, err error) {
+	if c.closed {
+		return 0, io.ErrClosedPipe
+	}
+	if c.Conn == nil {
+		select {
+		case <-c.ctx.Done():
+			return 0, io.ErrUnexpectedEOF
+		case <-c.dialed:
+		}
+	}
+	return c.Conn.Read(b)
+}
+
+func (c *tfoConn) Write(b []byte) (n int, err error) {
+	if c.closed {
+		return 0, io.ErrClosedPipe
+	}
+	if c.Conn == nil {
+		if err := c.Dial(b); err != nil {
+			return 0, err
+		}
+		return len(b), nil
+	}
+
+	return c.Conn.Write(b)
+}
+
+func (c *tfoConn) Close() error {
+	c.closed = true
+	c.cancel()
+	if c.Conn == nil {
+		return nil
+	}
+	return c.Conn.Close()
+}
+
+func (c *tfoConn) LocalAddr() net.Addr {
+	if c.Conn == nil {
+		return nil
+	}
+	return c.Conn.LocalAddr()
+}
+
+func (c *tfoConn) RemoteAddr() net.Addr {
+	if c.Conn == nil {
+		return nil
+	}
+	return c.Conn.RemoteAddr()
+}
+
+func (c *tfoConn) SetDeadline(t time.Time) error {
+	if err := c.SetReadDeadline(t); err != nil {
+		return err
+	}
+	return c.SetWriteDeadline(t)
+}
+
+func (c *tfoConn) SetReadDeadline(t time.Time) error {
+	if c.Conn == nil {
+		return nil
+	}
+	return c.Conn.SetReadDeadline(t)
+}
+
+func (c *tfoConn) SetWriteDeadline(t time.Time) error {
+	if c.Conn == nil {
+		return nil
+	}
+	return c.Conn.SetWriteDeadline(t)
+}
+
+func (c *tfoConn) Upstream() any {
+	if c.Conn == nil { // ensure return a nil interface not an interface with nil value
+		return nil
+	}
+	return c.Conn
+}
+
+func dialTFO(ctx context.Context, netDialer net.Dialer, network, address string) (net.Conn, error) {
+	ctx, cancel := context.WithCancel(ctx)
+	dialer := tfo.Dialer{Dialer: netDialer, DisableTFO: false}
+	return &tfoConn{
+		dialed: make(chan bool, 1),
+		cancel: cancel,
+		ctx:    ctx,
+		dialFn: func(ctx context.Context, earlyData []byte) (net.Conn, error) {
+			return dialer.DialContext(ctx, network, address, earlyData)
+		},
+	}, nil
+}

component/sniffer/dispatcher.go

@@ -36,12 +36,7 @@ type SnifferDispatcher struct {
 	parsePureIp     bool
 }
 
-func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
-	bufConn, ok := conn.(*N.BufferedConn)
-	if !ok {
-		return
-	}
-
+func (sd *SnifferDispatcher) TCPSniff(conn *N.BufferedConn, metadata *C.Metadata) {
 	if (metadata.Host == "" && sd.parsePureIp) || sd.forceDomain.Search(metadata.Host) != nil || (metadata.DNSMode == C.DNSMapping && sd.forceDnsMapping) {
 		port, err := strconv.ParseUint(metadata.DstPort, 10, 16)
 		if err != nil {
@@ -74,7 +69,7 @@ func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
 		}
 		sd.rwMux.RUnlock()
 
-		if host, err := sd.sniffDomain(bufConn, metadata); err != nil {
+		if host, err := sd.sniffDomain(conn, metadata); err != nil {
 			sd.cacheSniffFailed(metadata)
 			log.Debugln("[Sniffer] All sniffing sniff failed with from [%s:%s] to [%s:%s]", metadata.SrcIP, metadata.SrcPort, metadata.String(), metadata.DstPort)
 			return

component/tls/config.go

@@ -11,31 +11,30 @@ import (
 	"strings"
 	"sync"
 
-	CN "github.com/Dreamacro/clash/common/net"
-
 	xtls "github.com/xtls/go"
 )
 
-var tlsCertificates = make([]tls.Certificate, 0)
+var trustCert,_ = x509.SystemCertPool()
 
 var mutex sync.RWMutex
 var errNotMacth error = errors.New("certificate fingerprints do not match")
 
-func AddCertificate(privateKey, certificate string) error {
+func AddCertificate(certificate string) error {
 	mutex.Lock()
 	defer mutex.Unlock()
-	if cert, err := CN.ParseCert(certificate, privateKey); err != nil {
-		return err
-	} else {
-		tlsCertificates = append(tlsCertificates, cert)
+	if certificate == "" {
+		return fmt.Errorf("certificate is empty")
+	}
+	if ok := trustCert.AppendCertsFromPEM([]byte(certificate)); !ok {
+		return fmt.Errorf("add certificate failed")
 	}
 	return nil
 }
 
-func GetCertificates() []tls.Certificate {
-	mutex.RLock()
-	defer mutex.RUnlock()
-	return tlsCertificates
+func ResetCertificate(){
+	mutex.Lock()
+	defer mutex.Unlock()
+	trustCert,_=x509.SystemCertPool()
 }
 
 func verifyFingerprint(fingerprint *[32]byte) func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
@@ -87,10 +86,10 @@ func GetSpecifiedFingerprintTLSConfig(tlsConfig *tls.Config, fingerprint string)
 func GetGlobalTLSConfig(tlsConfig *tls.Config) *tls.Config {
 	if tlsConfig == nil {
 		return &tls.Config{
-			Certificates: tlsCertificates,
+			RootCAs: trustCert,
 		}
 	}
-	tlsConfig.Certificates = append(tlsConfig.Certificates, tlsCertificates...)
+	tlsConfig.RootCAs = trustCert
 	return tlsConfig
 }
 
@@ -107,29 +106,12 @@ func GetSpecifiedFingerprintXTLSConfig(tlsConfig *xtls.Config, fingerprint strin
 }
 
 func GetGlobalXTLSConfig(tlsConfig *xtls.Config) *xtls.Config {
-	xtlsCerts := make([]xtls.Certificate, len(tlsCertificates))
-	for _, cert := range tlsCertificates {
-		tlsSsaList := make([]xtls.SignatureScheme, len(cert.SupportedSignatureAlgorithms))
-		for _, ssa := range cert.SupportedSignatureAlgorithms {
-			tlsSsa := xtls.SignatureScheme(ssa)
-			tlsSsaList = append(tlsSsaList, tlsSsa)
-		}
-		xtlsCert := xtls.Certificate{
-			Certificate:                  cert.Certificate,
-			PrivateKey:                   cert.PrivateKey,
-			OCSPStaple:                   cert.OCSPStaple,
-			SignedCertificateTimestamps:  cert.SignedCertificateTimestamps,
-			Leaf:                         cert.Leaf,
-			SupportedSignatureAlgorithms: tlsSsaList,
-		}
-		xtlsCerts = append(xtlsCerts, xtlsCert)
-	}
 	if tlsConfig == nil {
 		return &xtls.Config{
-			Certificates: xtlsCerts,
+			RootCAs: trustCert,
 		}
 	}
 
-	tlsConfig.Certificates = xtlsCerts
+	tlsConfig.RootCAs = trustCert
 	return tlsConfig
 }

component/tls/utls.go

@@ -7,7 +7,7 @@ import (
 	"github.com/Dreamacro/clash/log"
 
 	"github.com/mroth/weightedrand/v2"
-	utls "github.com/refraction-networking/utls"
+	utls "github.com/sagernet/utls"
 )
 
 type UConn struct {

config/config.go

@@ -120,13 +120,9 @@ type Profile struct {
 }
 
 type TLS struct {
-	RawCert         `yaml:",inline"`
-	CustomTrustCert []RawCert `yaml:"custom-certifactes"`
-}
-
-type RawCert struct {
-	Certificate string `yaml:"certificate"`
-	PrivateKey  string `yaml:"private-key"`
+	Certificate     string   `yaml:"certificate"`
+	PrivateKey      string   `yaml:"private-key"`
+	CustomTrustCert []string `yaml:"custom-certifactes"`
 }
 
 // IPTables config

constant/context.go

@@ -3,6 +3,8 @@ package constant
 import (
 	"net"
 
+	N "github.com/Dreamacro/clash/common/net"
+
 	"github.com/gofrs/uuid"
 )
 
@@ -13,7 +15,7 @@ type PlainContext interface {
 type ConnContext interface {
 	PlainContext
 	Metadata() *Metadata
-	Conn() net.Conn
+	Conn() *N.BufferedConn
 }
 
 type PacketConnContext interface {

context/conn.go

@@ -12,7 +12,7 @@ import (
 type ConnContext struct {
 	id       uuid.UUID
 	metadata *C.Metadata
-	conn     net.Conn
+	conn     *N.BufferedConn
 }
 
 func NewConnContext(conn net.Conn, metadata *C.Metadata) *ConnContext {
@@ -36,6 +36,6 @@ func (c *ConnContext) Metadata() *C.Metadata {
 }
 
 // Conn implement C.ConnContext Conn
-func (c *ConnContext) Conn() net.Conn {
+func (c *ConnContext) Conn() *N.BufferedConn {
 	return c.conn
 }

docs/config.yaml

@@ -7,22 +7,17 @@ mixed-port: 10801 # HTTP(S) 和 SOCKS 代理混合端口
 # tproxy-port: 7893
 
 allow-lan: true # 允许局域网连接
-bind-address: "*" # 绑定IP地址，仅作用于 allow-lan 为 true，'*'表示所有地址
+bind-address: "*" # 绑定 IP 地址，仅作用于 allow-lan 为 true，'*'表示所有地址
 
-#  find-process-mode has 3 values: always, strict, off
+#  find-process-mode has 3 values:always, strict, off
 #  - always, 开启，强制匹配所有进程
-#  - strict, 默认，由clash判断是否开启
+#  - strict, 默认，由 clash 判断是否开启
 #  - off, 不匹配进程，推荐在路由器上使用此模式
 find-process-mode: strict
 
-#  global-client-fingerprint:全局TLS指纹,优先低于proxy内的 client-fingerprint
-#  accepts "chrome","firefox","safari","ios","random","none" options.
-#  Utls is currently support TLS transport in TCP/grpc/WS/HTTP for VLESS/Vmess and trojan.
-global-client-fingerprint: chrome
-
 mode: rule
 
-#自定义 geox-url
+#自定义 geodata url
 geox-url:
   geoip: "https://cdn.jsdelivr.net/gh/Loyalsoldier/v2ray-rules-dat@release/geoip.dat"
   geosite: "https://cdn.jsdelivr.net/gh/Loyalsoldier/v2ray-rules-dat@release/geosite.dat"
@@ -32,16 +27,30 @@ log-level: debug # 日志等级 silent/error/warning/info/debug
 
 ipv6: true # 开启 IPv6 总开关，关闭阻断所有 IPv6 链接和屏蔽 DNS 请求 AAAA 记录
 
+tls:
+  certificate: string # 证书 PEM 格式，或者 证书的路径
+  private-key: string # 证书对应的私钥 PEM 格式，或者私钥路径
+  custom-certifactes:
+    - |
+      -----BEGIN CERTIFICATE-----
+      format/pem...
+      -----END CERTIFICATE-----
+
 external-controller: 0.0.0.0:9093 # RESTful API 监听地址
 external-controller-tls: 0.0.0.0:9443 # RESTful API HTTPS 监听地址，需要配置 tls 部分配置文件
-# secret: "123456" # `Authorization: Bearer ${secret}`
+# secret: "123456" # `Authorization:Bearer ${secret}`
 
-# tcp-concurrent: true # TCP并发连接所有IP, 将使用最快握手的TCP
-external-ui: /path/to/ui/folder # 配置WEB UI目录，使用http://{{external-controller}}/ui 访问
+# tcp-concurrent: true # TCP 并发连接所有 IP, 将使用最快握手的 TCP
+external-ui: /path/to/ui/folder # 配置 WEB UI 目录，使用 http://{{external-controller}}/ui 访问
 
 # interface-name: en0 # 设置出口网卡
 
-# routing-mark: 6666 # 配置 fwmark 仅用于Linux
+# 全局 TLS 指纹，优先低于 proxy 内的 client-fingerprint
+# 可选： "chrome","firefox","safari","ios","random","none" options.
+# Utls is currently support TLS transport in TCP/grpc/WS/HTTP for VLESS/Vmess and trojan.
+global-client-fingerprint: chrome
+
+# routing-mark:6666 # 配置 fwmark 仅用于 Linux
 experimental:
 
 # 类似于 /etc/hosts, 仅支持配置单个 IP
@@ -50,6 +59,13 @@ hosts:
 # '.dev': 127.0.0.1
 # 'alpha.clash.dev': '::1'
 
+profile:
+  # 存储 select 选择记录
+  store-selected: false
+
+  # 持久化 fake-ip
+  store-fake-ip: true
+
 # Tun 配置
 tun:
   enable: false
@@ -75,10 +91,10 @@ tun:
   #- 1000
   # exclude_uid_range: # 排除路由的的用户范围
   # - 1000-99999
-
+  
   # Android 用户和应用规则仅在 Android 下被支持
   # 并且需要 auto_route
-
+  
   # include_android_user: # 限制被路由的 Android 用户
   # - 0
   # - 10
@@ -105,15 +121,13 @@ sniffer:
   # 是否使用嗅探结果作为实际访问，默认 true
   # 全局配置，优先级低于 sniffer.sniff 实际配置
   override-destination: false
-  sniff:
-    # TLS 默认如果不配置 ports 默认嗅探 443
+  sniff: # TLS 默认如果不配置 ports 默认嗅探 443
     TLS:
     #  ports: [443, 8443]
-
+    
     # 默认嗅探 80
-    HTTP:
-      # 需要嗅探的端口
-
+    HTTP: # 需要嗅探的端口
+      
       ports: [80, 8080-8880]
       # 可覆盖 sniffer.override-destination
       override-destination: true
@@ -128,7 +142,7 @@ sniffer:
     - tls
     - http
   # 强制对此域名进行嗅探
-
+  
   # 仅对白名单中的端口进行嗅探，默认为 443，80
   # 已废弃，若 sniffer.sniff 配置则此项无效
   port-whitelist:
@@ -136,27 +150,8 @@ sniffer:
     - "443"
     # - 8000-9999
 
-# shadowsocks,vmess 入口配置（传入流量将和socks,mixed等入口一样按照mode所指定的方式进行匹配处理）
-# ss-config: ss://2022-blake3-aes-256-gcm:vlmpIPSyHH6f4S8WVPdRIHIlzmB+GIRfoH3aNJ/t9Gg=@:23456
-# vmess-config: vmess://1:9d0cb9d0-964f-4ef6-897d-6c6b3ccf9e68@:12345
 
-# tuic服务器入口（传入流量将和socks,mixed等入口一样按照mode所指定的方式进行匹配处理）
-#tuic-server:
-#  enable: true
-#  listen: 127.0.0.1:10443
-#  token:
-#    - TOKEN
-#  certificate: ./server.crt
-#  private-key: ./server.key
-#  congestion-controller: bbr
-#  max-idle-time: 15000
-#  authentication-timeout: 1000
-#  alpn:
-#    - h3
-#  max-udp-relay-packet-size: 1500
-
-tunnels:
-  # one line config
+tunnels: # one line config
   - tcp/udp,127.0.0.1:6553,114.114.114.114:53,proxy
   - tcp,127.0.0.1:6666,rds.mysql.com:3306,vpn
   # full yaml config
@@ -165,12 +160,6 @@ tunnels:
     target: target.com
     proxy: proxy
 
-profile:
-  # 存储select选择记录
-  store-selected: false
-
-  # 持久化fake-ip
-  store-fake-ip: true
 
 # DNS配置
 dns:
@@ -178,7 +167,7 @@ dns:
   prefer-h3: true # 开启 DoH 支持 HTTP/3，将并发尝试
   listen: 0.0.0.0:53 # 开启 DNS 服务器监听
   # ipv6: false # false 将返回 AAAA 的空结果
-
+  
   # 用于解析 nameserver，fallback 以及其他DNS服务器配置的，DNS 服务域名
   # 只能使用纯 IP 地址，可使用加密 DNS
   default-nameserver:
@@ -187,16 +176,16 @@ dns:
     - tls://1.12.12.12:853
     - tls://223.5.5.5:853
   enhanced-mode: fake-ip # or redir-host
-
+  
   fake-ip-range: 198.18.0.1/16 # fake-ip 池设置
-
+  
   # use-hosts: true # 查询 hosts
-
+  
   # 配置不使用fake-ip的域名
   # fake-ip-filter:
   #   - '*.lan'
   #   - localhost.ptlogin2.qq.com
-
+  
   # DNS主要域名配置
   # 支持 UDP，TCP，DoT，DoH，DoQ
   # 这部分为主要 DNS 配置，影响所有直连，确保使用对大陆解析精准的 DNS
@@ -210,20 +199,20 @@ dns:
     - dhcp://en0 # dns from dhcp
     - quic://dns.adguard.com:784 # DNS over QUIC
     # - '8.8.8.8#en0' # 兼容指定DNS出口网卡
-
+  
   # 当配置 fallback 时，会查询 nameserver 中返回的 IP 是否为 CN，非必要配置
   # 当不是 CN，则使用 fallback 中的 DNS 查询结果
   # 确保配置 fallback 时能够正常查询
   # fallback:
   #   - tcp://1.1.1.1
   #   - 'tcp://1.1.1.1#ProxyGroupName' # 指定 DNS 过代理查询，ProxyGroupName 为策略组名或节点名，过代理配置优先于配置出口网卡，当找不到策略组或节点名则设置为出口网卡
-
+  
   # 专用于节点域名解析的 DNS 服务器，非必要配置项
   # 配置服务器若查询失败将使用 nameserver，非并发查询
   # proxy-server-nameserver:
   # - https://dns.google/dns-query
   # - tls://one.one.one.one
-
+  
   # 配置 fallback 使用条件
   # fallback-filter:
   #   geoip: true # 配置是否使用 geoip
@@ -238,14 +227,53 @@ dns:
   #     - '+.google.com'
   #     - '+.facebook.com'
   #     - '+.youtube.com'
-
+  
   # 配置查询域名使用的 DNS 服务器
-  nameserver-policy:
-    #   'www.baidu.com': '114.114.114.114'
+  nameserver-policy: #   'www.baidu.com': '114.114.114.114'
     #   '+.internal.crop.com': '10.0.0.1'
-    "geosite:cn": "https://doh.pub/dns-query"
-    "www.baidu.com": [https://doh.pub/dns-query,https://dns.alidns.com/dns-query]
-proxies:
+    "geosite:cn":
+      - https://doh.pub/dns-query
+      - https://dns.alidns.com/dns-query
+    "www.baidu.com": [https://doh.pub/dns-query, https://dns.alidns.com/dns-query]
+
+proxies: # socks5
+  - name: "socks"
+    type: socks5
+    server: server
+    port: 443
+    # username: username
+    # password: password
+    # tls: true
+    # fingerprint: xxxx
+    # skip-cert-verify: true
+    # udp: true
+    # ip-version: ipv6
+  
+  # http
+  - name: "http"
+    type: http
+    server: server
+    port: 443
+    # username: username
+    # password: password
+    # tls: true # https
+    # skip-cert-verify: true
+    # sni: custom.com
+    # fingerprint: xxxx # 同 experimental.fingerprints 使用 sha256 指纹，配置协议独立的指纹，将忽略 experimental.fingerprints
+    # ip-version: dual
+  
+  # Snell
+  # Beware that there's currently no UDP support yet
+  - name: "snell"
+    type: snell
+    server: server
+    port: 44046
+    psk: yourpsk
+    # version: 2
+    # obfs-opts:
+    # mode: http # or tls
+    # host: bing.com
+    
   # Shadowsocks
   # cipher支持:
   #   aes-128-gcm aes-192-gcm aes-256-gcm
@@ -268,6 +296,7 @@ proxies:
     # UDP 则为双栈解析，获取结果中的第一个 IPv4
     # ipv6-prefer 同 ipv4-prefer
     # 现有协议都支持此参数，TCP 效果仅在开启 tcp-concurrent 生效
+
   - name: "ss2"
     type: ss
     server: server
@@ -278,7 +307,7 @@ proxies:
     plugin-opts:
       mode: tls # or http
       # host: bing.com
-
+  
   - name: "ss3"
     type: ss
     server: server
@@ -288,17 +317,17 @@ proxies:
     plugin: v2ray-plugin
     plugin-opts:
       mode: websocket # no QUIC now
-      # tls: true # wss
-      # 可使用 openssl x509 -noout -fingerprint -sha256 -inform pem -in yourcert.pem 获取
-      # 配置指纹将实现 SSL Pining 效果
-      # fingerprint: xxxx
-      # skip-cert-verify: true
-      # host: bing.com
-      # path: "/"
-      # mux: true
-      # headers:
-      #   custom: value
-
+    # tls: true # wss
+    # 可使用 openssl x509 -noout -fingerprint -sha256 -inform pem -in yourcert.pem 获取
+    # 配置指纹将实现 SSL Pining 效果
+    # fingerprint: xxxx
+    # skip-cert-verify: true
+    # host: bing.com
+    # path: "/"
+    # mux: true
+    # headers:
+    #   custom: value
+  
   - name: "ss4"
     type: ss
     server: server
@@ -309,7 +338,8 @@ proxies:
     plugin-opts:
       host: "cloud.tencent.com"
       password: "shadow_tls_password"
-
+      version: 2 # support 1/2/3
+  
   # vmess
   # cipher支持 auto/aes-128-gcm/chacha20-poly1305/none
   - name: "vmess"
@@ -332,7 +362,7 @@ proxies:
     #     Host: v2ray.com
     #   max-early-data: 2048
     #   early-data-header-name: Sec-WebSocket-Protocol
-
+  
   - name: "vmess-h2"
     type: vmess
     server: server
@@ -348,7 +378,7 @@ proxies:
         - http.example.com
         - http-alt.example.com
       path: /
-
+  
   - name: "vmess-http"
     type: vmess
     server: server
@@ -359,15 +389,15 @@ proxies:
     # udp: true
     # network: http
     # http-opts:
-    #   # method: "GET"
-    #   # path:
-    #   #   - '/'
-    #   #   - '/video'
-    #   # headers:
-    #   #   Connection:
-    #   #     - keep-alive
+    #   method: "GET"
+    #   path:
+    #     - '/'
+    #     - '/video'
+    #   headers:
+    #     Connection:
+    #       - keep-alive
     # ip-version: ipv4 # 设置使用 IP 类型偏好，可选：ipv4，ipv6，dual，默认值：dual
-
+  
   - name: vmess-grpc
     server: server
     port: 443
@@ -383,100 +413,7 @@ proxies:
     grpc-opts:
       grpc-service-name: "example"
     # ip-version: ipv4
-
-  # socks5
-  - name: "socks"
-    type: socks5
-    server: server
-    port: 443
-    # username: username
-    # password: password
-    # tls: true
-    # fingerprint: xxxx
-    # skip-cert-verify: true
-    # udp: true
-    # ip-version: ipv6
-
-  # http
-  - name: "http"
-    type: http
-    server: server
-    port: 443
-    # username: username
-    # password: password
-    # tls: true # https
-    # skip-cert-verify: true
-    # sni: custom.com
-    # fingerprint: xxxx # 同 experimental.fingerprints 使用 sha256 指纹，配置协议独立的指纹，将忽略 experimental.fingerprints
-    # ip-version: dual
-
-  # Snell
-  # Beware that there's currently no UDP support yet
-  - name: "snell"
-    type: snell
-    server: server
-    port: 44046
-    psk: yourpsk
-    # version: 2
-    # obfs-opts:
-    # mode: http # or tls
-    # host: bing.com
-
-  # Trojan
-  - name: "trojan"
-    type: trojan
-    server: server
-    port: 443
-    password: yourpsk
-    # client-fingerprint: random # Available: "chrome","firefox","safari","random","none"
-    # fingerprint: xxxx
-    # udp: true
-    # sni: example.com # aka server name
-    # alpn:
-    #   - h2
-    #   - http/1.1
-    # skip-cert-verify: true
-
-  - name: trojan-grpc
-    server: server
-    port: 443
-    type: trojan
-    password: "example"
-    network: grpc
-    sni: example.com
-    # skip-cert-verify: true
-    # fingerprint: xxxx
-    udp: true
-    grpc-opts:
-      grpc-service-name: "example"
-
-  - name: trojan-ws
-    server: server
-    port: 443
-    type: trojan
-    password: "example"
-    network: ws
-    sni: example.com
-    # skip-cert-verify: true
-    # fingerprint: xxxx
-    udp: true
-    # ws-opts:
-    # path: /path
-    # headers:
-    #   Host: example.com
-
-  - name: "trojan-xtls"
-    type: trojan
-    server: server
-    port: 443
-    password: yourpsk
-    flow: "xtls-rprx-direct" # xtls-rprx-origin xtls-rprx-direct
-    flow-show: true
-    # udp: true
-    # sni: example.com # aka server name
-    # skip-cert-verify: true
-    # fingerprint: xxxx
-
+  
   # vless
   - name: "vless-tcp"
     type: vless
@@ -489,7 +426,21 @@ proxies:
     # skip-cert-verify: true
     # fingerprint: xxxx
     # client-fingerprint: random # Available: "chrome","firefox","safari","random","none"
-
+  
+  - name: "vless-vision"
+    type: vless
+    server: server
+    port: 443
+    uuid: uuid
+    network: tcp
+    tls: true
+    udp: true
+    xudp: true
+    flow: xtls-rprx-vision # xtls-rprx-origin  # enable XTLS
+    client-fingerprint: chrome
+    # fingerprint: xxxx
+    # skip-cert-verify: true
+  
   - name: "vless-ws"
     type: vless
     server: server
@@ -506,6 +457,61 @@ proxies:
       path: "/"
       headers:
         Host: example.com
+  
+  # Trojan
+  - name: "trojan"
+    type: trojan
+    server: server
+    port: 443
+    password: yourpsk
+    # client-fingerprint: random # Available: "chrome","firefox","safari","random","none"
+    # fingerprint: xxxx
+    # udp: true
+    # sni: example.com # aka server name
+    # alpn:
+    #   - h2
+    #   - http/1.1
+    # skip-cert-verify: true
+  
+  - name: trojan-grpc
+    server: server
+    port: 443
+    type: trojan
+    password: "example"
+    network: grpc
+    sni: example.com
+    # skip-cert-verify: true
+    # fingerprint: xxxx
+    udp: true
+    grpc-opts:
+      grpc-service-name: "example"
+  
+  - name: trojan-ws
+    server: server
+    port: 443
+    type: trojan
+    password: "example"
+    network: ws
+    sni: example.com
+    # skip-cert-verify: true
+    # fingerprint: xxxx
+    udp: true
+    # ws-opts:
+    # path: /path
+    # headers:
+    #   Host: example.com
+  
+  - name: "trojan-xtls"
+    type: trojan
+    server: server
+    port: 443
+    password: yourpsk
+    flow: "xtls-rprx-direct" # xtls-rprx-origin xtls-rprx-direct
+    flow-show: true
+    # udp: true
+    # sni: example.com # aka server name
+    # skip-cert-verify: true
+    # fingerprint: xxxx
 
   #hysteria
   - name: "hysteria"
@@ -532,7 +538,8 @@ proxies:
     # disable_mtu_discovery: false
     # fingerprint: xxxx
     # fast-open: true # 支持 TCP 快速打开，默认为 false
-
+  
+  # wireguard
   - name: "wg"
     type: wireguard
     server: 162.159.192.1
@@ -542,7 +549,9 @@ proxies:
     private-key: eCtXsJZ27+4PbhDkHnB923tkUn2Gj59wZw5wFA75MnU=
     public-key: Cr8hWlKvtDt7nrvf+f0brNQQzabAqrjfBvas9pmowjo=
     udp: true
-  #    reserved: 'U4An'
+    reserved: "U4An"
+  
+  # tuic
   - name: tuic
     server: www.example.com
     port: 10443
@@ -551,16 +560,16 @@ proxies:
     # ip: 127.0.0.1 # for overwriting the DNS lookup result of the server address set in option 'server'
     # heartbeat-interval: 10000
     # alpn: [h3]
-    # disable-sni: true
+    disable-sni: true
     reduce-rtt: true
-    # request-timeout: 8000
+    request-timeout: 8000
     udp-relay-mode: native # Available: "native", "quic". Default: "native"
     # congestion-controller: bbr # Available: "cubic", "new_reno", "bbr". Default: "cubic"
     # max-udp-relay-packet-size: 1500
     # fast-open: true
     # skip-cert-verify: true
     # max-open-streams: 20 # default 100, too many open streams may hurt performance
-
+    
   # ShadowsocksR
   # The supported ciphers (encryption methods): all stream ciphers in ss
   # The supported obfses:
@@ -581,8 +590,7 @@ proxies:
     # protocol-param: "#"
     # udp: true
 
-proxy-groups:
-  # 代理链，若落地协议支持 UDP over TCP 则可支持 UDP
+proxy-groups: # 代理链，若落地协议支持 UDP over TCP 则可支持 UDP
   # Traffic: clash <-> http <-> vmess <-> ss1 <-> ss2 <-> Internet
   - name: "relay"
     type: relay
@@ -591,7 +599,7 @@ proxy-groups:
       - vmess
       - ss1
       - ss2
-
+  
   # url-test 将按照 url 测试结果使用延迟最低节点
   - name: "auto"
     type: url-test
@@ -603,7 +611,7 @@ proxy-groups:
     # lazy: true
     url: "https://cp.cloudflare.com/generate_204"
     interval: 300
-
+  
   # fallback 将按照 url 测试结果按照节点顺序选择
   - name: "fallback-auto"
     type: fallback
@@ -613,7 +621,7 @@ proxy-groups:
       - vmess1
     url: "https://cp.cloudflare.com/generate_204"
     interval: 300
-
+  
   # load-balance 将按照算法随机选择节点
   - name: "load-balance"
     type: load-balance
@@ -623,8 +631,8 @@ proxy-groups:
       - vmess1
     url: "https://cp.cloudflare.com/generate_204"
     interval: 300
-    # strategy: consistent-hashing # 可选 round-robin 和 sticky-sessions
-
+  # strategy: consistent-hashing # 可选 round-robin 和 sticky-sessions
+  
   # select 用户自行选择节点
   - name: Proxy
     type: select
@@ -634,7 +642,7 @@ proxy-groups:
       - ss2
       - vmess1
       - auto
-
+  
   # 配置指定 interface-name 和 fwmark 的 DIRECT
   - name: en1
     type: select
@@ -642,7 +650,7 @@ proxy-groups:
     routing-mark: 6667
     proxies:
       - DIRECT
-
+  
   - name: UseProvider
     type: select
     filter: "HK|TW" # 正则表达式，过滤 provider1 中节点名包含 HK 或 TW
@@ -689,7 +697,8 @@ rules:
   - DOMAIN-KEYWORD,google,ss1
   - IP-CIDR,1.1.1.1/32,ss1
   - IP-CIDR6,2409::/64,DIRECT
-  - SUB-RULE,(OR,((NETWORK,TCP),(NETWORK,UDP))),sub-rule-name1 # 当满足条件是 TCP 或 UDP 流量时，使用名为 sub-rule-name1 当规则集
+  # 当满足条件是 TCP 或 UDP 流量时，使用名为 sub-rule-name1 的规则集
+  - SUB-RULE,(OR,((NETWORK,TCP),(NETWORK,UDP))),sub-rule-name1 
   - SUB-RULE,(AND,((NETWORK,UDP))),sub-rule-name2
 # 定义多个子规则集，规则将以分叉匹配，使用 SUB-RULE 使用
 #                                               google.com(not match)--> baidu.com(match)
@@ -716,15 +725,6 @@ sub-rules:
     - IP-CIDR,8.8.8.8/32,ss1
     - DOMAIN,dns.alidns.com,REJECT
 
-tls:
-  certificate: string # 证书 PEM 格式，或者 证书的路径
-  private-key: string # 证书对应的私钥 PEM 格式，或者私钥路径
-  # 自定义证书验证，将加入 Clash 证书验证中，绝大多数 TLS 相关支持，如：DNS
-  # 可用于自定义证书的验证
-  custom-certificates:
-    - certificate: string # 证书 PEM 格式，或者 证书的路径
-      private-key: string # 证书对应的私钥 PEM 格式，或者私钥路径
-
 # 流量入站
 listeners:
   - name: socks5-in-1
@@ -734,14 +734,14 @@ listeners:
     # rule: sub-rule-name1 # 默认使用 rules，如果未找到 sub-rule 则直接使用 rules
     # proxy: proxy # 如果不为空则直接将该入站流量交由指定proxy处理
     # udp: false # 默认 true
-
+  
   - name: http-in-1
     type: http
     port: 10809
     listen: 0.0.0.0
     # rule: sub-rule-name1 # 默认使用 rules，如果未找到 sub-rule 则直接使用 rules
     # proxy: proxy # 如果不为空则直接将该入站流量交由指定proxy处理(当proxy不为空时，这里的proxy名称必须合法，否则会出错)
-
+  
   - name: mixed-in-1
     type: mixed #  HTTP(S) 和 SOCKS 代理混合
     port: 10810
@@ -749,14 +749,14 @@ listeners:
     # rule: sub-rule-name1 # 默认使用 rules，如果未找到 sub-rule 则直接使用 rules
     # proxy: proxy # 如果不为空则直接将该入站流量交由指定proxy处理(当proxy不为空时，这里的proxy名称必须合法，否则会出错)
     # udp: false # 默认 true
-
+  
   - name: reidr-in-1
     type: redir
     port: 10811
     listen: 0.0.0.0
     # rule: sub-rule-name1 # 默认使用 rules，如果未找到 sub-rule 则直接使用 rules
     # proxy: proxy # 如果不为空则直接将该入站流量交由指定proxy处理(当proxy不为空时，这里的proxy名称必须合法，否则会出错)
-
+  
   - name: tproxy-in-1
     type: tproxy
     port: 10812
@@ -764,7 +764,7 @@ listeners:
     # rule: sub-rule-name1 # 默认使用 rules，如果未找到 sub-rule 则直接使用 rules
     # proxy: proxy # 如果不为空则直接将该入站流量交由指定proxy处理(当proxy不为空时，这里的proxy名称必须合法，否则会出错)
     # udp: false # 默认 true
-
+  
   - name: shadowsocks-in-1
     type: shadowsocks
     port: 10813
@@ -773,7 +773,7 @@ listeners:
     # proxy: proxy # 如果不为空则直接将该入站流量交由指定proxy处理(当proxy不为空时，这里的proxy名称必须合法，否则会出错)
     password: vlmpIPSyHH6f4S8WVPdRIHIlzmB+GIRfoH3aNJ/t9Gg=
     cipher: 2022-blake3-aes-256-gcm
-
+  
   - name: vmess-in-1
     type: vmess
     port: 10814
@@ -784,7 +784,7 @@ listeners:
       - username: 1
         uuid: 9d0cb9d0-964f-4ef6-897d-6c6b3ccf9e68
         alterId: 1
-
+  
   - name: tuic-in-1
     type: tuic
     port: 10815
@@ -801,7 +801,7 @@ listeners:
     #  alpn:
     #    - h3
     #  max-udp-relay-packet-size: 1500
-
+  
   - name: tunnel-in-1
     type: tunnel
     port: 10816
@@ -810,7 +810,7 @@ listeners:
     # proxy: proxy # 如果不为空则直接将该入站流量交由指定proxy处理(当proxy不为空时，这里的proxy名称必须合法，否则会出错)
     network: [tcp, udp]
     target: target.com
-
+  
   - name: tun-in-1
     type: tun
     # rule: sub-rule-name1 # 默认使用 rules，如果未找到 sub-rule 则直接使用 rules
@@ -826,25 +826,25 @@ listeners:
     inet6-address: # 必须手动设置ipv6地址段
       - "fdfe:dcba:9877::1/126"
     # strict_route: true # 将所有连接路由到tun来防止泄漏，但你的设备将无法其他设备被访问
-    #    inet4_route_address: # 启用 auto_route 时使用自定义路由而不是默认路由
-    #      - 0.0.0.0/1
-    #      - 128.0.0.0/1
-    #    inet6_route_address: # 启用 auto_route 时使用自定义路由而不是默认路由
-    #      - "::/1"
-    #      - "8000::/1"
+    #   inet4_route_address: # 启用 auto_route 时使用自定义路由而不是默认路由
+    #     - 0.0.0.0/1
+    #     - 128.0.0.0/1
+    #   inet6_route_address: # 启用 auto_route 时使用自定义路由而不是默认路由
+    #     - "::/1"
+    #     - "8000::/1"
     # endpoint_independent_nat: false # 启用独立于端点的 NAT
     # include_uid: # UID 规则仅在 Linux 下被支持，并且需要 auto_route
     # - 0
     # include_uid_range: # 限制被路由的的用户范围
     # - 1000-99999
     # exclude_uid: # 排除路由的的用户
-    #- 1000
+    # - 1000
     # exclude_uid_range: # 排除路由的的用户范围
     # - 1000-99999
-
+    
     # Android 用户和应用规则仅在 Android 下被支持
     # 并且需要 auto_route
-
+    
     # include_android_user: # 限制被路由的 Android 用户
     # - 0
     # - 10
@@ -852,3 +852,23 @@ listeners:
     # - com.android.chrome
     # exclude_package: # 排除被路由的 Android 应用包名
     # - com.android.captiveportallogin
+
+# 入口配置与 Listener 等价，传入流量将和 socks,mixed 等入口一样按照 mode 所指定的方式进行匹配处理
+# shadowsocks,vmess 入口配置（传入流量将和socks,mixed等入口一样按照mode所指定的方式进行匹配处理）
+# ss-config: ss://2022-blake3-aes-256-gcm:vlmpIPSyHH6f4S8WVPdRIHIlzmB+GIRfoH3aNJ/t9Gg=@:23456
+# vmess-config: vmess://1:9d0cb9d0-964f-4ef6-897d-6c6b3ccf9e68@:12345
+
+# tuic服务器入口（传入流量将和socks,mixed等入口一样按照mode所指定的方式进行匹配处理）
+# tuic-server:
+#  enable: true
+#  listen: 127.0.0.1:10443
+#  token:
+#    - TOKEN
+#  certificate: ./server.crt
+#  private-key: ./server.key
+#  congestion-controller: bbr
+#  max-idle-time: 15000
+#  authentication-timeout: 1000
+#  alpn:
+#    - h3
+#  max-udp-relay-packet-size: 1500

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/go-chi/chi/v5 v5.0.8
 	github.com/go-chi/cors v1.2.1
 	github.com/go-chi/render v1.0.2
-	github.com/gofrs/uuid v4.3.1+incompatible
+	github.com/gofrs/uuid v4.4.0+incompatible
 	github.com/google/gopacket v1.1.19
 	github.com/gorilla/websocket v1.5.0
 	github.com/hashicorp/golang-lru v0.5.4
@@ -20,16 +20,17 @@ require (
 	github.com/mdlayher/netlink v1.7.2-0.20221213171556-9881fafed8c7
 	github.com/metacubex/quic-go v0.32.0
 	github.com/metacubex/sing-shadowsocks v0.1.1-0.20230202072246-e2bef5f088c7
-	github.com/metacubex/sing-tun v0.1.1-0.20230213124625-28d27a0c236b
+	github.com/metacubex/sing-tun v0.1.1-0.20230222113101-fbfa2dab826d
 	github.com/metacubex/sing-wireguard v0.0.0-20230213124601-d04406a109b4
 	github.com/miekg/dns v1.1.50
 	github.com/mroth/weightedrand/v2 v2.0.0
 	github.com/oschwald/geoip2-golang v1.8.0
-	github.com/refraction-networking/utls v1.2.0
 	github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97
-	github.com/sagernet/sing v0.1.7-0.20230207063819-27d2950cdbe9
-	github.com/sagernet/sing-vmess v0.1.1-0.20230212211128-cb4e47dd0acb
+	github.com/sagernet/sing v0.1.8-0.20230221060643-3401d210384b
+	github.com/sagernet/sing-shadowtls v0.0.0-20230221130515-dac782ca098e
+	github.com/sagernet/sing-vmess v0.1.2
 	github.com/sagernet/tfo-go v0.0.0-20230207095944-549363a7327d
+	github.com/sagernet/utls v0.0.0-20230220130002-c08891932056
 	github.com/sagernet/wireguard-go v0.0.0-20221116151939-c99467f53f2c
 	github.com/samber/lo v1.37.0
 	github.com/sirupsen/logrus v1.9.0
@@ -38,19 +39,19 @@ require (
 	go.etcd.io/bbolt v1.3.6
 	go.uber.org/atomic v1.10.0
 	go.uber.org/automaxprocs v1.5.1
-	golang.org/x/crypto v0.5.0
+	golang.org/x/crypto v0.6.0
 	golang.org/x/exp v0.0.0-20221205204356-47842c84f3db
-	golang.org/x/net v0.5.0
+	golang.org/x/net v0.6.0
 	golang.org/x/sync v0.1.0
-	golang.org/x/sys v0.4.0
-	google.golang.org/protobuf v1.28.1
+	golang.org/x/sys v0.5.0
+	google.golang.org/protobuf v1.28.2-0.20230118093459-a9481185b34d
 	gopkg.in/yaml.v3 v3.0.1
 	lukechampine.com/blake3 v1.1.7
 )
 
 require (
 	github.com/ajg/form v1.5.1 // indirect
-	github.com/andybalholm/brotli v1.0.4 // indirect
+	github.com/andybalholm/brotli v1.0.5 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
@@ -59,10 +60,10 @@ require (
 	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect
 	github.com/josharian/native v1.1.0 // indirect
-	github.com/klauspost/compress v1.15.12 // indirect
+	github.com/klauspost/compress v1.15.15 // indirect
 	github.com/klauspost/cpuid/v2 v2.0.12 // indirect
 	github.com/mdlayher/socket v0.4.0 // indirect
-	github.com/metacubex/gvisor v0.0.0-20230213124051-7a16c835d80e // indirect
+	github.com/metacubex/gvisor v0.0.0-20230222112937-bdbcd206ec65 // indirect
 	github.com/onsi/ginkgo/v2 v2.2.0 // indirect
 	github.com/oschwald/maxminddb-golang v1.10.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
@@ -70,14 +71,13 @@ require (
 	github.com/quic-go/qtls-go1-18 v0.2.0 // indirect
 	github.com/quic-go/qtls-go1-19 v0.2.0 // indirect
 	github.com/quic-go/qtls-go1-20 v0.1.0 // indirect
-	github.com/sagernet/abx-go v0.0.0-20220819185957-dba1257d738e // indirect
 	github.com/sagernet/go-tun2socks v1.16.12-0.20220818015926-16cb67876a61 // indirect
 	github.com/u-root/uio v0.0.0-20221213070652-c3537552635f // indirect
 	github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 // indirect
-	golang.org/x/mod v0.6.0 // indirect
-	golang.org/x/text v0.6.0 // indirect
-	golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect
-	golang.org/x/tools v0.2.0 // indirect
+	golang.org/x/mod v0.7.0 // indirect
+	golang.org/x/text v0.7.0 // indirect
+	golang.org/x/time v0.0.0-20220210224613-90d013bbcef8 // indirect
+	golang.org/x/tools v0.5.0 // indirect
 )
 
 replace go.uber.org/atomic v1.10.0 => github.com/metacubex/uber-atomic v0.0.0-20230202125923-feb10b770370

go.sum

@@ -2,8 +2,8 @@ github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da h1:KjTM2ks9d14ZYCvmH
 github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da/go.mod h1:eHEWzANqSiWQsof+nXEI9bUVUyV6F53Fp89EuCh2EAA=
 github.com/ajg/form v1.5.1 h1:t9c7v8JUKu/XxOGBU0yjNpaMloxGEJhUkqFRq0ibGeU=
 github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
-github.com/andybalholm/brotli v1.0.4 h1:V7DdXeJtZscaqfNuAdSRuRFzuiKlHSC/Zh3zl9qY3JY=
-github.com/andybalholm/brotli v1.0.4/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
+github.com/andybalholm/brotli v1.0.5 h1:8uQZIdzKmjc/iuPu7O2ioW48L81FgatrcpfFmiq/cCs=
+github.com/andybalholm/brotli v1.0.5/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -28,8 +28,8 @@ github.com/go-chi/render v1.0.2 h1:4ER/udB0+fMWB2Jlf15RV3F4A2FDuYi/9f+lFttR/Lg=
 github.com/go-chi/render v1.0.2/go.mod h1:/gr3hVkmYR0YlEy3LxCuVRFzEu9Ruok+gFqbIofjao0=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 h1:p104kn46Q8WdvHunIJ9dAyjPVtrBPhSr3KT2yUst43I=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
-github.com/gofrs/uuid v4.3.1+incompatible h1:0/KbAdpx3UXAx1kEOWHJeOkpbgRFGHVgv+CFIY7dBJI=
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@@ -67,8 +67,8 @@ github.com/jsimonetti/rtnetlink v0.0.0-20200117123717-f846d4f6c1f4/go.mod h1:WGu
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@@ -87,14 +87,14 @@ github.com/mdlayher/raw v0.0.0-20190606142536-fef19f00fc18/go.mod h1:7EpbotpCmVZ
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@@ -121,22 +121,22 @@ github.com/quic-go/qtls-go1-19 v0.2.0 h1:Cvn2WdhyViFUHoOqK52i51k4nDX8EwIh5VJiVM4
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@@ -169,15 +169,15 @@ go.uber.org/automaxprocs v1.5.1/go.mod h1:BF4eumQw0P9GtnuxxovUd06vwm1o18oMzFtK66
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@@ -190,8 +190,8 @@ golang.org/x/net v0.0.0-20201010224723-4f7140c49acb/go.mod h1:sp8m0HH+o8qH0wwXwY
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@@ -220,31 +220,31 @@ golang.org/x/sys v0.0.0-20220622161953-175b2fd9d664/go.mod h1:oPkhp1MJrh7nUepCBc
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 golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.2.0 h1:G6AHpWxTMGY1KyEYoAQ5WTtIekUUvDNjan3ugu60JvE=
-golang.org/x/tools v0.2.0/go.mod h1:y4OqIKeOV/fWJetJ8bXPU1sEVniLMIyDAZWeHdV+NTA=
+golang.org/x/tools v0.5.0 h1:+bSpV5HIeWkuvgaMfI3UmKRThoTA5ODJTUd8T17NO+4=
+golang.org/x/tools v0.5.0/go.mod h1:N+Kgy78s5I24c24dU8OfWNEotWjutIs8SnJvn5IDq+k=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
-google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.28.2-0.20230118093459-a9481185b34d h1:qp0AnQCvRCMlu9jBjtdbTaaEmThIgZOrbVyDEOcmKhQ=
+google.golang.org/protobuf v1.28.2-0.20230118093459-a9481185b34d/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

hub/executor/executor.go

@@ -81,13 +81,13 @@ func ApplyConfig(cfg *config.Config, force bool) {
 	updateRules(cfg.Rules, cfg.SubRules, cfg.RuleProviders)
 	updateSniffer(cfg.Sniffer)
 	updateHosts(cfg.Hosts)
+	updateGeneral(cfg.General)
 	initInnerTcp()
 	updateDNS(cfg.DNS, cfg.General.IPv6)
 	loadProxyProvider(cfg.Providers)
 	updateProfile(cfg)
 	loadRuleProvider(cfg.RuleProviders)
-	updateGeneral(cfg.General, force)
-	updateListeners(cfg.Listeners)
+	updateListeners(cfg.General, cfg.Listeners, force)
 	updateIPTables(cfg)
 	updateTun(cfg.General)
 	updateExperimental(cfg)
@@ -134,12 +134,34 @@ func GetGeneral() *config.General {
 	return general
 }
 
-func updateListeners(listeners map[string]C.InboundListener) {
+func updateListeners(general *config.General, listeners map[string]C.InboundListener, force bool) {
 	tcpIn := tunnel.TCPIn()
 	udpIn := tunnel.UDPIn()
 	natTable := tunnel.NatTable()
 
 	listener.PatchInboundListeners(listeners, tcpIn, udpIn, natTable, true)
+	if !force {
+		return
+	}
+
+	if general.Interface == "" && (!general.Tun.Enable || !general.Tun.AutoDetectInterface) {
+		dialer.DefaultInterface.Store(general.Interface)
+	}
+
+	allowLan := general.AllowLan
+	listener.SetAllowLan(allowLan)
+
+	bindAddress := general.BindAddress
+	listener.SetBindAddress(bindAddress)
+	listener.ReCreateHTTP(general.Port, tcpIn)
+	listener.ReCreateSocks(general.SocksPort, tcpIn, udpIn)
+	listener.ReCreateRedir(general.RedirPort, tcpIn, udpIn, natTable)
+	listener.ReCreateAutoRedir(general.EBpf.AutoRedir, tcpIn, udpIn)
+	listener.ReCreateTProxy(general.TProxyPort, tcpIn, udpIn, natTable)
+	listener.ReCreateMixed(general.MixedPort, tcpIn, udpIn)
+	listener.ReCreateShadowSocks(general.ShadowSocksConfig, tcpIn, udpIn)
+	listener.ReCreateVmess(general.VmessConfig, tcpIn, udpIn)
+	listener.ReCreateTuic(LC.TuicServer(general.TuicServer), tcpIn, udpIn)
 }
 
 func updateExperimental(c *config.Config) {
@@ -147,9 +169,11 @@ func updateExperimental(c *config.Config) {
 }
 
 func preUpdateExperimental(c *config.Config) {
-	CTLS.AddCertificate(c.TLS.PrivateKey, c.TLS.Certificate)
+	CTLS.ResetCertificate()
 	for _, c := range c.TLS.CustomTrustCert {
-		CTLS.AddCertificate(c.PrivateKey, c.Certificate)
+		if err := CTLS.AddCertificate(c); err != nil {
+			log.Warnln("%s\nadd error: %s", c, err.Error())
+		}
 	}
 }
 
@@ -304,25 +328,28 @@ func updateTunnels(tunnels []LC.Tunnel) {
 	listener.PatchTunnel(tunnels, tunnel.TCPIn(), tunnel.UDPIn())
 }
 
-func updateGeneral(general *config.General, force bool) {
+func updateGeneral(general *config.General) {
 	tunnel.SetMode(general.Mode)
 	tunnel.SetFindProcessMode(general.FindProcessMode)
-	dialer.DisableIPv6 = !general.IPv6
-	if !dialer.DisableIPv6 {
-		log.Infoln("Use IPv6")
-	}
-	resolver.DisableIPv6 = dialer.DisableIPv6
+	resolver.DisableIPv6 =!general.IPv6
 
 	if general.TCPConcurrent {
 		dialer.SetDial(general.TCPConcurrent)
 		log.Infoln("Use tcp concurrent")
 	}
 
-	adapter.UnifiedDelay.Store(general.UnifiedDelay)
-	dialer.DefaultInterface.Store(general.Interface)
+	inbound.SetTfo(general.InboundTfo)
 
-	if dialer.DefaultInterface.Load() != "" {
-		log.Infoln("Use interface name: %s", general.Interface)
+	adapter.UnifiedDelay.Store(general.UnifiedDelay)
+	// Avoid reload configuration clean the value, causing traffic loops
+	if listener.GetTunConf().Enable && listener.GetTunConf().AutoDetectInterface {
+		// changed only when the name is specified
+		// if name is empty, setting delay until after tun loaded
+		if general.Interface != "" && (!general.Tun.Enable || !general.Tun.AutoDetectInterface) {
+			dialer.DefaultInterface.Store(general.Interface)
+		}
+	} else {
+		dialer.DefaultInterface.Store(general.Interface)
 	}
 
 	dialer.DefaultRoutingMark.Store(int32(general.RoutingMark))
@@ -331,35 +358,8 @@ func updateGeneral(general *config.General, force bool) {
 	}
 
 	iface.FlushCache()
-
-	if !force {
-		return
-	}
-
 	geodataLoader := general.GeodataLoader
 	G.SetLoader(geodataLoader)
-
-	allowLan := general.AllowLan
-	listener.SetAllowLan(allowLan)
-
-	bindAddress := general.BindAddress
-	listener.SetBindAddress(bindAddress)
-
-	inbound.SetTfo(general.InboundTfo)
-
-	tcpIn := tunnel.TCPIn()
-	udpIn := tunnel.UDPIn()
-	natTable := tunnel.NatTable()
-
-	listener.ReCreateHTTP(general.Port, tcpIn)
-	listener.ReCreateSocks(general.SocksPort, tcpIn, udpIn)
-	listener.ReCreateRedir(general.RedirPort, tcpIn, udpIn, natTable)
-	listener.ReCreateAutoRedir(general.EBpf.AutoRedir, tcpIn, udpIn)
-	listener.ReCreateTProxy(general.TProxyPort, tcpIn, udpIn, natTable)
-	listener.ReCreateMixed(general.MixedPort, tcpIn, udpIn)
-	listener.ReCreateShadowSocks(general.ShadowSocksConfig, tcpIn, udpIn)
-	listener.ReCreateVmess(general.VmessConfig, tcpIn, udpIn)
-	listener.ReCreateTuic(LC.TuicServer(general.TuicServer), tcpIn, udpIn)
 }
 
 func updateUsers(users []auth.AuthUser) {

hub/hub.go

@@ -4,6 +4,7 @@ import (
 	"github.com/Dreamacro/clash/config"
 	"github.com/Dreamacro/clash/hub/executor"
 	"github.com/Dreamacro/clash/hub/route"
+	"github.com/Dreamacro/clash/log"
 )
 
 type Option func(*config.Config)
@@ -43,7 +44,7 @@ func Parse(options ...Option) error {
 
 	if cfg.General.ExternalController != "" {
 		go route.Start(cfg.General.ExternalController, cfg.General.ExternalControllerTLS,
-			cfg.General.Secret, cfg.TLS.Certificate, cfg.TLS.PrivateKey)
+			cfg.General.Secret, cfg.TLS.Certificate, cfg.TLS.PrivateKey,cfg.General.LogLevel==log.DEBUG)
 	}
 
 	executor.ApplyConfig(cfg, true)

hub/route/server.go

@@ -5,6 +5,7 @@ import (
 	"crypto/tls"
 	"encoding/json"
 	"net/http"
+	"runtime/debug"
 	"strings"
 	"time"
 
@@ -13,8 +14,8 @@ import (
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
 	"github.com/Dreamacro/clash/tunnel/statistic"
-
 	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
 	"github.com/go-chi/cors"
 	"github.com/go-chi/render"
 	"github.com/gorilla/websocket"
@@ -43,7 +44,7 @@ func SetUIPath(path string) {
 }
 
 func Start(addr string, tlsAddr string, secret string,
-	certificat, privateKey string) {
+	certificat, privateKey string, isDebug bool) {
 	if serverAddr != "" {
 		return
 	}
@@ -59,6 +60,17 @@ func Start(addr string, tlsAddr string, secret string,
 		MaxAge:         300,
 	})
 	r.Use(corsM.Handler)
+	if isDebug {
+		r.Mount("/debug", func() http.Handler {
+			r := chi.NewRouter()
+			r.Put("/gc", func(w http.ResponseWriter, r *http.Request) {
+				debug.FreeOSMemory()
+			})
+			handler := middleware.Profiler
+			r.Mount("/", handler())
+			return r
+		}())
+	}
 	r.Group(func(r chi.Router) {
 		r.Use(authentication)
 		r.Get("/", hello)

listener/sing/log.go

@@ -1,41 +0,0 @@
-package sing
-
-import (
-	"fmt"
-
-	"github.com/Dreamacro/clash/log"
-
-	L "github.com/sagernet/sing/common/logger"
-)
-
-type logger struct{}
-
-func (l logger) Trace(args ...any) {
-	log.Debugln(fmt.Sprint(args...))
-}
-
-func (l logger) Debug(args ...any) {
-	log.Debugln(fmt.Sprint(args...))
-}
-
-func (l logger) Info(args ...any) {
-	log.Infoln(fmt.Sprint(args...))
-}
-
-func (l logger) Warn(args ...any) {
-	log.Warnln(fmt.Sprint(args...))
-}
-
-func (l logger) Error(args ...any) {
-	log.Errorln(fmt.Sprint(args...))
-}
-
-func (l logger) Fatal(args ...any) {
-	log.Fatalln(fmt.Sprint(args...))
-}
-
-func (l logger) Panic(args ...any) {
-	log.Fatalln(fmt.Sprint(args...))
-}
-
-var Logger L.Logger = logger{}

listener/sing_tun/server.go

@@ -67,6 +67,26 @@ func CalculateInterfaceName(name string) (tunName string) {
 	return
 }
 
+func checkTunName(tunName string) (ok bool) {
+	defer func() {
+		if !ok {
+			log.Warnln("[TUN] Unsupported tunName(%s) in %s, force regenerate by ourselves.", tunName, runtime.GOOS)
+		}
+	}()
+	if runtime.GOOS == "darwin" {
+		if len(tunName) <= 4 {
+			return false
+		}
+		if tunName[:4] != "utun" {
+			return false
+		}
+		if _, parseErr := strconv.ParseInt(tunName[4:], 10, 16); parseErr != nil {
+			return false
+		}
+	}
+	return true
+}
+
 func New(options LC.Tun, tcpIn chan<- C.ConnContext, udpIn chan<- C.PacketAdapter, additions ...inbound.Addition) (l *Listener, err error) {
 	if len(additions) == 0 {
 		additions = []inbound.Addition{
@@ -75,7 +95,7 @@ func New(options LC.Tun, tcpIn chan<- C.ConnContext, udpIn chan<- C.PacketAdapte
 		}
 	}
 	tunName := options.Device
-	if tunName == "" {
+	if tunName == "" || !checkTunName(tunName) {
 		tunName = CalculateInterfaceName(InterfaceName)
 		options.Device = tunName
 	}
@@ -217,7 +237,7 @@ func New(options LC.Tun, tcpIn chan<- C.ConnContext, udpIn chan<- C.PacketAdapte
 		EndpointIndependentNat: options.EndpointIndependentNat,
 		UDPTimeout:             udpTimeout,
 		Handler:                handler,
-		Logger:                 sing.Logger,
+		Logger:                 log.SingLogger,
 	})
 	if err != nil {
 		return

listener/tunnel/tcp.go

@@ -41,7 +41,7 @@ func (l *Listener) handleTCP(conn net.Conn, in chan<- C.ConnContext, additions .
 }
 
 func New(addr, target, proxy string, in chan<- C.ConnContext, additions ...inbound.Addition) (*Listener, error) {
-	l, err := net.Listen("tcp", addr)
+	l, err := inbound.Listen("tcp", addr)
 	if err != nil {
 		return nil, err
 	}

log/sing.go

@@ -0,0 +1,68 @@
+package log
+
+import (
+	"context"
+	"fmt"
+
+	L "github.com/sagernet/sing/common/logger"
+)
+
+type singLogger struct{}
+
+func (l singLogger) TraceContext(ctx context.Context, args ...any) {
+	Debugln(fmt.Sprint(args...))
+}
+
+func (l singLogger) DebugContext(ctx context.Context, args ...any) {
+	Debugln(fmt.Sprint(args...))
+}
+
+func (l singLogger) InfoContext(ctx context.Context, args ...any) {
+	Infoln(fmt.Sprint(args...))
+}
+
+func (l singLogger) WarnContext(ctx context.Context, args ...any) {
+	Warnln(fmt.Sprint(args...))
+}
+
+func (l singLogger) ErrorContext(ctx context.Context, args ...any) {
+	Errorln(fmt.Sprint(args...))
+}
+
+func (l singLogger) FatalContext(ctx context.Context, args ...any) {
+	Fatalln(fmt.Sprint(args...))
+}
+
+func (l singLogger) PanicContext(ctx context.Context, args ...any) {
+	Fatalln(fmt.Sprint(args...))
+}
+
+func (l singLogger) Trace(args ...any) {
+	Debugln(fmt.Sprint(args...))
+}
+
+func (l singLogger) Debug(args ...any) {
+	Debugln(fmt.Sprint(args...))
+}
+
+func (l singLogger) Info(args ...any) {
+	Infoln(fmt.Sprint(args...))
+}
+
+func (l singLogger) Warn(args ...any) {
+	Warnln(fmt.Sprint(args...))
+}
+
+func (l singLogger) Error(args ...any) {
+	Errorln(fmt.Sprint(args...))
+}
+
+func (l singLogger) Fatal(args ...any) {
+	Fatalln(fmt.Sprint(args...))
+}
+
+func (l singLogger) Panic(args ...any) {
+	Fatalln(fmt.Sprint(args...))
+}
+
+var SingLogger L.ContextLogger = singLogger{}

transport/sing-shadowtls/shadowtls.go

@@ -0,0 +1,91 @@
+package sing_shadowtls
+
+import (
+	"context"
+	"crypto/tls"
+	"net"
+
+	tlsC "github.com/Dreamacro/clash/component/tls"
+	"github.com/Dreamacro/clash/log"
+
+	"github.com/sagernet/sing-shadowtls"
+	sing_common "github.com/sagernet/sing/common"
+	utls "github.com/sagernet/utls"
+)
+
+const (
+	Mode string = "shadow-tls"
+)
+
+var (
+	DefaultALPN = []string{"h2", "http/1.1"}
+)
+
+type ShadowTLSOption struct {
+	Password          string
+	Host              string
+	Fingerprint       string
+	ClientFingerprint string
+	SkipCertVerify    bool
+	Version           int
+}
+
+func NewShadowTLS(ctx context.Context, conn net.Conn, option *ShadowTLSOption) (net.Conn, error) {
+	tlsConfig := &tls.Config{
+		NextProtos:         DefaultALPN,
+		MinVersion:         tls.VersionTLS12,
+		InsecureSkipVerify: option.SkipCertVerify,
+		ServerName:         option.Host,
+	}
+
+	var err error
+	if len(option.Fingerprint) == 0 {
+		tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
+	} else {
+		if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint); err != nil {
+			return nil, err
+		}
+	}
+
+	tlsHandshake := shadowtls.DefaultTLSHandshakeFunc(option.Password, tlsConfig)
+	if len(option.ClientFingerprint) != 0 {
+		if fingerprint, exists := tlsC.GetFingerprint(option.ClientFingerprint); exists {
+			tlsHandshake = uTLSHandshakeFunc(tlsConfig, *fingerprint.ClientHelloID)
+		}
+	}
+	client, err := shadowtls.NewClient(shadowtls.ClientConfig{
+		Version:      option.Version,
+		Password:     option.Password,
+		TLSHandshake: tlsHandshake,
+		Logger:       log.SingLogger,
+	})
+	if err != nil {
+		return nil, err
+	}
+	return client.DialContextConn(ctx, conn)
+}
+
+func uTLSHandshakeFunc(config *tls.Config, clientHelloID utls.ClientHelloID) shadowtls.TLSHandshakeFunc {
+	return func(ctx context.Context, conn net.Conn, sessionIDGenerator shadowtls.TLSSessionIDGeneratorFunc) error {
+		tlsConfig := &utls.Config{
+			Rand:                  config.Rand,
+			Time:                  config.Time,
+			VerifyPeerCertificate: config.VerifyPeerCertificate,
+			RootCAs:               config.RootCAs,
+			NextProtos:            config.NextProtos,
+			ServerName:            config.ServerName,
+			InsecureSkipVerify:    config.InsecureSkipVerify,
+			CipherSuites:          config.CipherSuites,
+			MinVersion:            config.MinVersion,
+			MaxVersion:            config.MaxVersion,
+			CurvePreferences: sing_common.Map(config.CurvePreferences, func(it tls.CurveID) utls.CurveID {
+				return utls.CurveID(it)
+			}),
+			SessionTicketsDisabled: config.SessionTicketsDisabled,
+			Renegotiation:          utls.RenegotiationSupport(config.Renegotiation),
+			SessionIDGenerator:     sessionIDGenerator,
+		}
+		tlsConn := utls.UClient(conn, tlsConfig, clientHelloID)
+		return tlsConn.HandshakeContext(ctx)
+	}
+}

transport/vless/conn.go

@@ -1,24 +1,33 @@
 package vless
 
 import (
+	"bytes"
+	"crypto/subtle"
+	gotls "crypto/tls"
 	"encoding/binary"
 	"errors"
 	"fmt"
 	"io"
 	"net"
+	"reflect"
 	"sync"
-	"time"
+	"unsafe"
 
 	"github.com/Dreamacro/clash/common/buf"
 	N "github.com/Dreamacro/clash/common/net"
+	tlsC "github.com/Dreamacro/clash/component/tls"
+	"github.com/Dreamacro/clash/log"
 
 	"github.com/gofrs/uuid"
+	utls "github.com/sagernet/utls"
 	xtls "github.com/xtls/go"
 	"google.golang.org/protobuf/proto"
 )
 
 type Conn struct {
-	N.ExtendedConn
+	N.ExtendedWriter
+	N.ExtendedReader
+	net.Conn
 	dst      *DstAddr
 	id       *uuid.UUID
 	addons   *Addons
@@ -27,30 +36,143 @@ type Conn struct {
 	handshake      chan struct{}
 	handshakeMutex sync.Mutex
 	err            error
+
+	tlsConn  net.Conn
+	input    *bytes.Reader
+	rawInput *bytes.Buffer
+
+	packetsToFilter            int
+	isTLS                      bool
+	isTLS12orAbove             bool
+	enableXTLS                 bool
+	cipher                     uint16
+	remainingServerHello       uint16
+	readRemainingContent       int
+	readRemainingPadding       int
+	readProcess                bool
+	readFilterUUID             bool
+	readLastCommand            byte
+	writeFilterApplicationData bool
+	writeDirect                bool
 }
 
 func (vc *Conn) Read(b []byte) (int, error) {
 	if vc.received {
-		return vc.ExtendedConn.Read(b)
+		if vc.readProcess {
+			buffer := buf.With(b)
+			err := vc.ReadBuffer(buffer)
+			return buffer.Len(), err
+		}
+		return vc.ExtendedReader.Read(b)
 	}
 
 	if err := vc.recvResponse(); err != nil {
 		return 0, err
 	}
 	vc.received = true
-	return vc.ExtendedConn.Read(b)
+	return vc.Read(b)
 }
 
 func (vc *Conn) ReadBuffer(buffer *buf.Buffer) error {
 	if vc.received {
-		return vc.ExtendedConn.ReadBuffer(buffer)
+		toRead := buffer.FreeBytes()
+		if vc.readRemainingContent > 0 {
+			if vc.readRemainingContent < buffer.FreeLen() {
+				toRead = toRead[:vc.readRemainingContent]
+			}
+			n, err := vc.ExtendedReader.Read(toRead)
+			buffer.Truncate(n)
+			vc.readRemainingContent -= n
+			vc.FilterTLS(toRead)
+			return err
+		}
+		if vc.readRemainingPadding > 0 {
+			_, err := io.CopyN(io.Discard, vc.ExtendedReader, int64(vc.readRemainingPadding))
+			if err != nil {
+				return err
+			}
+			vc.readRemainingPadding = 0
+		}
+		if vc.readProcess {
+			switch vc.readLastCommand {
+			case commandPaddingContinue:
+				//if vc.isTLS || vc.packetsToFilter > 0 {
+				headerUUIDLen := 0
+				if vc.readFilterUUID {
+					headerUUIDLen = uuid.Size
+				}
+				var header []byte
+				if need := headerUUIDLen + paddingHeaderLen; buffer.FreeLen() < need {
+					header = make([]byte, need)
+				} else {
+					header = buffer.FreeBytes()[:need]
+				}
+				_, err := io.ReadFull(vc.ExtendedReader, header)
+				if err != nil {
+					return err
+				}
+				pos := 0
+				if vc.readFilterUUID {
+					vc.readFilterUUID = false
+					pos = uuid.Size
+					if subtle.ConstantTimeCompare(vc.id.Bytes(), header[:uuid.Size]) != 1 {
+						err = fmt.Errorf("XTLS Vision server responded unknown UUID: %s",
+							uuid.FromBytesOrNil(header[:uuid.Size]).String())
+						log.Errorln(err.Error())
+						return err
+					}
+				}
+				vc.readLastCommand = header[pos]
+				vc.readRemainingContent = int(binary.BigEndian.Uint16(header[pos+1:]))
+				vc.readRemainingPadding = int(binary.BigEndian.Uint16(header[pos+3:]))
+				log.Debugln("XTLS Vision read padding: command=%d, payloadLen=%d, paddingLen=%d",
+					vc.readLastCommand, vc.readRemainingContent, vc.readRemainingPadding)
+				return vc.ReadBuffer(buffer)
+				//}
+			case commandPaddingEnd:
+				vc.readProcess = false
+				return vc.ReadBuffer(buffer)
+			case commandPaddingDirect:
+				if vc.input != nil {
+					_, err := buffer.ReadFrom(vc.input)
+					if err != nil {
+						return err
+					}
+					if vc.input.Len() == 0 {
+						vc.input = nil
+					}
+					if buffer.IsFull() {
+						return nil
+					}
+				}
+				if vc.rawInput != nil {
+					_, err := buffer.ReadFrom(vc.rawInput)
+					if err != nil {
+						return err
+					}
+					if vc.rawInput.Len() == 0 {
+						vc.rawInput = nil
+					}
+				}
+				if vc.input == nil && vc.rawInput == nil {
+					vc.readProcess = false
+					vc.ExtendedReader = N.NewExtendedReader(vc.Conn)
+					log.Debugln("XTLS Vision direct read start")
+				}
+			default:
+				err := fmt.Errorf("XTLS Vision read unknown command: %d", vc.readLastCommand)
+				log.Debugln(err.Error())
+				return err
+			}
+		}
+		return vc.ExtendedReader.ReadBuffer(buffer)
 	}
 
 	if err := vc.recvResponse(); err != nil {
 		return err
 	}
 	vc.received = true
-	return vc.ExtendedConn.ReadBuffer(buffer)
+	return vc.ReadBuffer(buffer)
 }
 
 func (vc *Conn) Write(p []byte) (int, error) {
@@ -67,7 +189,19 @@ func (vc *Conn) Write(p []byte) (int, error) {
 			return 0, vc.err
 		}
 	}
-	return vc.ExtendedConn.Write(p)
+	if vc.writeFilterApplicationData {
+		_buffer := buf.StackNew()
+		defer buf.KeepAlive(_buffer)
+		buffer := buf.Dup(_buffer)
+		defer buffer.Release()
+		buffer.Write(p)
+		err := vc.WriteBuffer(buffer)
+		if err != nil {
+			return 0, err
+		}
+		return len(p), nil
+	}
+	return vc.ExtendedWriter.Write(p)
 }
 
 func (vc *Conn) WriteBuffer(buffer *buf.Buffer) error {
@@ -81,7 +215,64 @@ func (vc *Conn) WriteBuffer(buffer *buf.Buffer) error {
 			return vc.err
 		}
 	}
-	return vc.ExtendedConn.WriteBuffer(buffer)
+	if vc.writeFilterApplicationData {
+		buffer2 := ReshapeBuffer(buffer)
+		defer buffer2.Release()
+		vc.FilterTLS(buffer.Bytes())
+		command := commandPaddingContinue
+		if !vc.isTLS {
+			command = commandPaddingEnd
+
+			// disable XTLS
+			vc.readProcess = false
+			vc.writeFilterApplicationData = false
+			vc.packetsToFilter = 0
+		} else if buffer.Len() > 6 && bytes.Equal(buffer.To(3), tlsApplicationDataStart) || vc.packetsToFilter <= 0 {
+			command = commandPaddingEnd
+			if vc.enableXTLS {
+				command = commandPaddingDirect
+				vc.writeDirect = true
+			}
+			vc.writeFilterApplicationData = false
+		}
+		ApplyPadding(buffer, command, nil)
+		err := vc.ExtendedWriter.WriteBuffer(buffer)
+		if err != nil {
+			return err
+		}
+		if vc.writeDirect {
+			vc.ExtendedWriter = N.NewExtendedWriter(vc.Conn)
+			log.Debugln("XTLS Vision direct write start")
+			//time.Sleep(10 * time.Millisecond)
+		}
+		if buffer2 != nil {
+			if vc.writeDirect || !vc.isTLS {
+				return vc.ExtendedWriter.WriteBuffer(buffer2)
+			}
+			vc.FilterTLS(buffer2.Bytes())
+			command = commandPaddingContinue
+			if buffer2.Len() > 6 && bytes.Equal(buffer2.To(3), tlsApplicationDataStart) || vc.packetsToFilter <= 0 {
+				command = commandPaddingEnd
+				if vc.enableXTLS {
+					command = commandPaddingDirect
+					vc.writeDirect = true
+				}
+				vc.writeFilterApplicationData = false
+			}
+			ApplyPadding(buffer2, command, nil)
+			err = vc.ExtendedWriter.WriteBuffer(buffer2)
+			if vc.writeDirect {
+				vc.ExtendedWriter = N.NewExtendedWriter(vc.Conn)
+				log.Debugln("XTLS Vision direct write start")
+				//time.Sleep(10 * time.Millisecond)
+			}
+		}
+		return err
+	}
+	/*if vc.writeDirect {
+		log.Debugln("XTLS Vision Direct write, payloadLen=%d", buffer.Len())
+	}*/
+	return vc.ExtendedWriter.WriteBuffer(buffer)
 }
 
 func (vc *Conn) sendRequest(p []byte) bool {
@@ -97,9 +288,6 @@ func (vc *Conn) sendRequest(p []byte) bool {
 	}
 	defer close(vc.handshake)
 
-	requestLen := 1  // protocol version
-	requestLen += 16 // UUID
-	requestLen += 1  // addons length
 	var addonsBytes []byte
 	if vc.addons != nil {
 		addonsBytes, vc.err = proto.Marshal(vc.addons)
@@ -107,19 +295,32 @@ func (vc *Conn) sendRequest(p []byte) bool {
 			return true
 		}
 	}
-	requestLen += len(addonsBytes)
-	requestLen += 1 // command
-	if !vc.dst.Mux {
-		requestLen += 2 // port
-		requestLen += 1 // addr type
-		requestLen += len(vc.dst.Addr)
-	}
-	requestLen += len(p)
+	isVision := vc.IsXTLSVisionEnabled()
 
-	_buffer := buf.StackNewSize(requestLen)
-	defer buf.KeepAlive(_buffer)
-	buffer := buf.Dup(_buffer)
-	defer buffer.Release()
+	var buffer *buf.Buffer
+	if isVision {
+		_buffer := buf.StackNew()
+		defer buf.KeepAlive(_buffer)
+		buffer = buf.Dup(_buffer)
+		defer buffer.Release()
+	} else {
+		requestLen := 1  // protocol version
+		requestLen += 16 // UUID
+		requestLen += 1  // addons length
+		requestLen += len(addonsBytes)
+		requestLen += 1 // command
+		if !vc.dst.Mux {
+			requestLen += 2 // port
+			requestLen += 1 // addr type
+			requestLen += len(vc.dst.Addr)
+		}
+		requestLen += len(p)
+
+		_buffer := buf.StackNewSize(requestLen)
+		defer buf.KeepAlive(_buffer)
+		buffer = buf.Dup(_buffer)
+		defer buffer.Release()
+	}
 
 	buf.Must(
 		buffer.WriteByte(Version),              // protocol version
@@ -144,15 +345,51 @@ func (vc *Conn) sendRequest(p []byte) bool {
 		)
 	}
 
-	buf.Must(buf.Error(buffer.Write(p)))
+	if isVision && !vc.dst.UDP && !vc.dst.Mux {
+		if len(p) == 0 {
+			WriteWithPadding(buffer, nil, commandPaddingContinue, vc.id)
+		} else {
+			vc.FilterTLS(p)
+			if vc.isTLS {
+				WriteWithPadding(buffer, p, commandPaddingContinue, vc.id)
+			} else {
+				buf.Must(buf.Error(buffer.Write(p)))
 
-	_, vc.err = vc.ExtendedConn.Write(buffer.Bytes())
+				// disable XTLS
+				vc.readProcess = false
+				vc.writeFilterApplicationData = false
+				vc.packetsToFilter = 0
+			}
+		}
+	} else {
+		buf.Must(buf.Error(buffer.Write(p)))
+	}
+
+	_, vc.err = vc.ExtendedWriter.Write(buffer.Bytes())
+	if vc.err != nil {
+		return true
+	}
+	if isVision {
+		switch underlying := vc.tlsConn.(type) {
+		case *gotls.Conn:
+			if underlying.ConnectionState().Version != gotls.VersionTLS13 {
+				vc.err = ErrNotTLS13
+			}
+		case *utls.UConn:
+			if underlying.ConnectionState().Version != utls.VersionTLS13 {
+				vc.err = ErrNotTLS13
+			}
+		default:
+			vc.err = fmt.Errorf(`failed to use %s, maybe "security" is not "tls" or "utls"`, vc.addons.Flow)
+		}
+		vc.tlsConn = nil
+	}
 	return true
 }
 
 func (vc *Conn) recvResponse() error {
 	var buf [1]byte
-	_, vc.err = io.ReadFull(vc.ExtendedConn, buf[:])
+	_, vc.err = io.ReadFull(vc.ExtendedReader, buf[:])
 	if vc.err != nil {
 		return vc.err
 	}
@@ -161,30 +398,46 @@ func (vc *Conn) recvResponse() error {
 		return errors.New("unexpected response version")
 	}
 
-	_, vc.err = io.ReadFull(vc.ExtendedConn, buf[:])
+	_, vc.err = io.ReadFull(vc.ExtendedReader, buf[:])
 	if vc.err != nil {
 		return vc.err
 	}
 
 	length := int64(buf[0])
 	if length != 0 { // addon data length > 0
-		io.CopyN(io.Discard, vc.ExtendedConn, length) // just discard
+		io.CopyN(io.Discard, vc.ExtendedReader, length) // just discard
 	}
 
 	return nil
 }
 
+func (vc *Conn) FrontHeadroom() int {
+	if vc.IsXTLSVisionEnabled() {
+		return paddingHeaderLen
+	}
+	return 0
+}
+
 func (vc *Conn) Upstream() any {
-	return vc.ExtendedConn
+	if vc.tlsConn == nil {
+		return vc.Conn
+	}
+	return vc.tlsConn
+}
+
+func (vc *Conn) IsXTLSVisionEnabled() bool {
+	return vc.addons != nil && vc.addons.Flow == XRV
 }
 
 // newConn return a Conn instance
 func newConn(conn net.Conn, client *Client, dst *DstAddr) (*Conn, error) {
 	c := &Conn{
-		ExtendedConn: N.NewExtendedConn(conn),
-		id:           client.uuid,
-		dst:          dst,
-		handshake:    make(chan struct{}),
+		ExtendedReader: N.NewExtendedReader(conn),
+		ExtendedWriter: N.NewExtendedWriter(conn),
+		Conn:           conn,
+		id:             client.uuid,
+		dst:            dst,
+		handshake:      make(chan struct{}),
 	}
 
 	if !dst.UDP && client.Addons != nil {
@@ -205,15 +458,42 @@ func newConn(conn net.Conn, client *Client, dst *DstAddr) (*Conn, error) {
 			} else {
 				return nil, fmt.Errorf("failed to use %s, maybe \"security\" is not \"xtls\"", client.Addons.Flow)
 			}
+		case XRV:
+			c.packetsToFilter = 6
+			c.readProcess = true
+			c.readFilterUUID = true
+			c.writeFilterApplicationData = true
+			c.addons = client.Addons
+			var t reflect.Type
+			var p uintptr
+			switch underlying := conn.(type) {
+			case *gotls.Conn:
+				c.Conn = underlying.NetConn()
+				c.tlsConn = underlying
+				t = reflect.TypeOf(underlying).Elem()
+				p = uintptr(unsafe.Pointer(underlying))
+			case *utls.UConn:
+				c.Conn = underlying.NetConn()
+				c.tlsConn = underlying
+				t = reflect.TypeOf(underlying.Conn).Elem()
+				p = uintptr(unsafe.Pointer(underlying.Conn))
+			case *tlsC.UConn:
+				c.Conn = underlying.NetConn()
+				c.tlsConn = underlying.UConn
+				t = reflect.TypeOf(underlying.Conn).Elem()
+				p = uintptr(unsafe.Pointer(underlying.Conn))
+			default:
+				return nil, fmt.Errorf(`failed to use %s, maybe "security" is not "tls" or "utls"`, client.Addons.Flow)
+			}
+			i, _ := t.FieldByName("input")
+			r, _ := t.FieldByName("rawInput")
+			c.input = (*bytes.Reader)(unsafe.Pointer(p + i.Offset))
+			c.rawInput = (*bytes.Buffer)(unsafe.Pointer(p + r.Offset))
+			if _, ok := c.Conn.(*net.TCPConn); !ok {
+				log.Debugln("XTLS underlying conn is not *net.TCPConn, got %s", reflect.TypeOf(conn).Name())
+			}
 		}
 	}
 
-	go func() {
-		select {
-		case <-c.handshake:
-		case <-time.After(200 * time.Millisecond):
-			c.sendRequest(nil)
-		}
-	}()
 	return c, nil
 }

transport/vless/filter.go

@@ -0,0 +1,79 @@
+package vless
+
+import (
+	"bytes"
+	"encoding/binary"
+
+	log "github.com/sirupsen/logrus"
+)
+
+var (
+	tls13SupportedVersions  = []byte{0x00, 0x2b, 0x00, 0x02, 0x03, 0x04}
+	tlsClientHandshakeStart = []byte{0x16, 0x03}
+	tlsServerHandshakeStart = []byte{0x16, 0x03, 0x03}
+	tlsApplicationDataStart = []byte{0x17, 0x03, 0x03}
+
+	tls13CipherSuiteMap = map[uint16]string{
+		0x1301: "TLS_AES_128_GCM_SHA256",
+		0x1302: "TLS_AES_256_GCM_SHA384",
+		0x1303: "TLS_CHACHA20_POLY1305_SHA256",
+		0x1304: "TLS_AES_128_CCM_SHA256",
+		0x1305: "TLS_AES_128_CCM_8_SHA256",
+	}
+)
+
+const (
+	tlsHandshakeTypeClientHello byte = 0x01
+	tlsHandshakeTypeServerHello byte = 0x02
+)
+
+func (vc *Conn) FilterTLS(p []byte) (index int) {
+	if vc.packetsToFilter <= 0 {
+		return 0
+	}
+	lenP := len(p)
+	vc.packetsToFilter -= 1
+	if index = bytes.Index(p, tlsServerHandshakeStart); index != -1 {
+		if lenP >= index+5 && p[index+5] == tlsHandshakeTypeServerHello {
+			vc.remainingServerHello = binary.BigEndian.Uint16(p[index+3:]) + 5
+			vc.isTLS = true
+			vc.isTLS12orAbove = true
+			if lenP-index >= 79 && vc.remainingServerHello >= 79 {
+				sessionIDLen := int(p[index+43])
+				vc.cipher = binary.BigEndian.Uint16(p[index+43+sessionIDLen+1:])
+			}
+		}
+	} else if index = bytes.Index(p, tlsClientHandshakeStart); index != -1 {
+		if lenP >= index+5 && p[index+5] == tlsHandshakeTypeClientHello {
+			vc.isTLS = true
+		}
+	}
+
+	if vc.remainingServerHello > 0 {
+		end := vc.remainingServerHello
+		vc.remainingServerHello -= end
+		if end > uint16(lenP) {
+			end = uint16(lenP)
+		}
+		if bytes.Contains(p[index:end], tls13SupportedVersions) {
+			// TLS 1.3 Client Hello
+			cs, ok := tls13CipherSuiteMap[vc.cipher]
+			if ok && cs != "TLS_AES_128_CCM_8_SHA256" {
+				vc.enableXTLS = true
+			}
+			log.Debugln("XTLS Vision found TLS 1.3, packetLength=", lenP, ", CipherSuite=", cs)
+			vc.packetsToFilter = 0
+			return
+		} else if vc.remainingServerHello < 0 {
+			log.Debugln("XTLS Vision found TLS 1.2, packetLength=", lenP)
+			vc.packetsToFilter = 0
+			return
+		}
+		log.Debugln("XTLS Vision found inconclusive server hello, packetLength=", lenP,
+			", remainingServerHelloBytes=", vc.remainingServerHello)
+	}
+	if vc.packetsToFilter <= 0 {
+		log.Debugln("XTLS Vision stop filtering")
+	}
+	return
+}

transport/vless/vision.go

@@ -0,0 +1,69 @@
+package vless
+
+import (
+	"bytes"
+	"encoding/binary"
+	"math/rand"
+
+	"github.com/Dreamacro/clash/common/buf"
+	"github.com/Dreamacro/clash/log"
+
+	"github.com/gofrs/uuid"
+)
+
+const (
+	paddingHeaderLen = 1 + 2 + 2 // =5
+
+	commandPaddingContinue byte = 0x00
+	commandPaddingEnd      byte = 0x01
+	commandPaddingDirect   byte = 0x02
+)
+
+func WriteWithPadding(buffer *buf.Buffer, p []byte, command byte, userUUID *uuid.UUID) {
+	contentLen := int32(len(p))
+	var paddingLen int32
+	if contentLen < 900 {
+		paddingLen = rand.Int31n(500) + 900 - contentLen
+	}
+
+	if userUUID != nil { // unnecessary, but keep the same with Xray
+		buffer.Write(userUUID.Bytes())
+	}
+	buffer.WriteByte(command)
+	binary.BigEndian.PutUint16(buffer.Extend(2), uint16(contentLen))
+	binary.BigEndian.PutUint16(buffer.Extend(2), uint16(paddingLen))
+	buffer.Write(p)
+	buffer.Extend(int(paddingLen))
+	log.Debugln("XTLS Vision write padding1: command=%v, payloadLen=%v, paddingLen=%v", command, contentLen, paddingLen)
+}
+
+func ApplyPadding(buffer *buf.Buffer, command byte, userUUID *uuid.UUID) {
+	contentLen := int32(buffer.Len())
+	var paddingLen int32
+	if contentLen < 900 {
+		paddingLen = rand.Int31n(500) + 900 - contentLen
+	}
+
+	binary.BigEndian.PutUint16(buffer.ExtendHeader(2), uint16(paddingLen))
+	binary.BigEndian.PutUint16(buffer.ExtendHeader(2), uint16(contentLen))
+	buffer.ExtendHeader(1)[0] = command
+	if userUUID != nil { // unnecessary, but keep the same with Xray
+		copy(buffer.ExtendHeader(uuid.Size), userUUID.Bytes())
+	}
+	buffer.Extend(int(paddingLen))
+	log.Debugln("XTLS Vision write padding2: command=%d, payloadLen=%d, paddingLen=%d", command, contentLen, paddingLen)
+}
+
+func ReshapeBuffer(buffer *buf.Buffer) *buf.Buffer {
+	if buffer.Len() <= buf.BufferSize-paddingHeaderLen {
+		return nil
+	}
+	cutAt := bytes.LastIndex(buffer.Bytes(), tlsApplicationDataStart)
+	if cutAt == -1 {
+		cutAt = buf.BufferSize / 2
+	}
+	buffer2 := buf.New()
+	buffer2.Write(buffer.From(cutAt))
+	buffer.Truncate(cutAt)
+	return buffer2
+}

transport/vless/vless.go

@@ -12,6 +12,7 @@ const (
 	XRO = "xtls-rprx-origin"
 	XRD = "xtls-rprx-direct"
 	XRS = "xtls-rprx-splice"
+	XRV = "xtls-rprx-vision"
 
 	Version byte = 0 // protocol version. preview version is 0
 )

transport/vless/xtls.go

@@ -2,6 +2,7 @@ package vless
 
 import (
 	"context"
+	"errors"
 	"net"
 
 	tlsC "github.com/Dreamacro/clash/component/tls"
@@ -9,6 +10,10 @@ import (
 	xtls "github.com/xtls/go"
 )
 
+var (
+	ErrNotTLS13 = errors.New("XTLS Vision based on TLS 1.3 outer connection")
+)
+
 type XTLSConfig struct {
 	Host           string
 	SkipCertVerify bool

tunnel/statistic/tracker.go

@@ -81,7 +81,7 @@ func (tt *tcpTracker) Upstream() any {
 	return tt.Conn
 }
 
-func NewTCPTracker(conn C.Conn, manager *Manager, metadata *C.Metadata, rule C.Rule) *tcpTracker {
+func NewTCPTracker(conn C.Conn, manager *Manager, metadata *C.Metadata, rule C.Rule, uploadTotal int64, downloadTotal int64) *tcpTracker {
 	uuid, _ := uuid.NewV4()
 	if conn != nil {
 		if tcpAddr, ok := conn.RemoteAddr().(*net.TCPAddr); ok {
@@ -100,8 +100,8 @@ func NewTCPTracker(conn C.Conn, manager *Manager, metadata *C.Metadata, rule C.R
 			Metadata:      metadata,
 			Chain:         conn.Chains(),
 			Rule:          "",
-			UploadTotal:   atomic.NewInt64(0),
-			DownloadTotal: atomic.NewInt64(0),
+			UploadTotal:   atomic.NewInt64(uploadTotal),
+			DownloadTotal: atomic.NewInt64(downloadTotal),
 		},
 		extendedReader: N.NewExtendedReader(conn),
 		extendedWriter: N.NewExtendedWriter(conn),
@@ -147,7 +147,7 @@ func (ut *udpTracker) Close() error {
 	return ut.PacketConn.Close()
 }
 
-func NewUDPTracker(conn C.PacketConn, manager *Manager, metadata *C.Metadata, rule C.Rule) *udpTracker {
+func NewUDPTracker(conn C.PacketConn, manager *Manager, metadata *C.Metadata, rule C.Rule, uploadTotal int64, downloadTotal int64) *udpTracker {
 	uuid, _ := uuid.NewV4()
 	metadata.RemoteDst = conn.RemoteDestination()
 
@@ -160,8 +160,8 @@ func NewUDPTracker(conn C.PacketConn, manager *Manager, metadata *C.Metadata, ru
 			Metadata:      metadata,
 			Chain:         conn.Chains(),
 			Rule:          "",
-			UploadTotal:   atomic.NewInt64(0),
-			DownloadTotal: atomic.NewInt64(0),
+			UploadTotal:   atomic.NewInt64(uploadTotal),
+			DownloadTotal: atomic.NewInt64(downloadTotal),
 		},
 	}
 

tunnel/tunnel.go

@@ -322,7 +322,7 @@ func handleUDPConn(packet C.PacketAdapter) {
 		}
 		pCtx.InjectPacketConn(rawPc)
 
-		pc := statistic.NewUDPTracker(rawPc, statistic.DefaultManager, metadata, rule)
+		pc := statistic.NewUDPTracker(rawPc, statistic.DefaultManager, metadata, rule, 0, 0)
 
 		switch true {
 		case metadata.SpecialProxy != "":
@@ -366,8 +366,21 @@ func handleTCPConn(connCtx C.ConnContext) {
 		return
 	}
 
+	conn := connCtx.Conn()
+	conn.ResetPeeked()
 	if sniffer.Dispatcher.Enable() && sniffingEnable {
-		sniffer.Dispatcher.TCPSniff(connCtx.Conn(), metadata)
+		sniffer.Dispatcher.TCPSniff(conn, metadata)
+	}
+
+	peekMutex := sync.Mutex{}
+	if !conn.Peeked() {
+		peekMutex.Lock()
+		go func() {
+			defer peekMutex.Unlock()
+			_ = conn.SetReadDeadline(time.Now().Add(200 * time.Millisecond))
+			_, _ = conn.Peek(1)
+			_ = conn.SetReadDeadline(time.Time{})
+		}()
 	}
 
 	proxy, rule, err := resolveMetadata(connCtx, metadata)
@@ -387,10 +400,27 @@ func handleTCPConn(connCtx C.ConnContext) {
 		}
 	}
 
+	var peekBytes []byte
+	var peekLen int
+
 	ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTCPTimeout)
 	defer cancel()
 	remoteConn, err := retry(ctx, func(ctx context.Context) (C.Conn, error) {
-		return proxy.DialContext(ctx, dialMetadata)
+		remoteConn, err := proxy.DialContext(ctx, dialMetadata)
+		if err != nil {
+			return nil, err
+		}
+		peekMutex.Lock()
+		defer peekMutex.Unlock()
+		peekBytes, _ = conn.Peek(conn.Buffered())
+		_, err = remoteConn.Write(peekBytes)
+		if err != nil {
+			return nil, err
+		}
+		if peekLen = len(peekBytes); peekLen > 0 {
+			_, _ = conn.Discard(peekLen)
+		}
+		return remoteConn, err
 	}, func(err error) {
 		if rule == nil {
 			log.Warnln(
@@ -408,7 +438,7 @@ func handleTCPConn(connCtx C.ConnContext) {
 		return
 	}
 
-	remoteConn = statistic.NewTCPTracker(remoteConn, statistic.DefaultManager, metadata, rule)
+	remoteConn = statistic.NewTCPTracker(remoteConn, statistic.DefaultManager, metadata, rule, 0, int64(peekLen))
 	defer func(remoteConn C.Conn) {
 		_ = remoteConn.Close()
 	}(remoteConn)