Merge pull request #174 from MetaCubeX/Alpha

Alpha

.github/workflows/prerelease.yml

@@ -17,7 +17,7 @@ jobs:
         run: |
           echo ::set-output name=go_version::$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g')
       - name: Setup Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
           go-version: ${{ steps.version.outputs.go_version }}
 

Makefile

@@ -147,3 +147,11 @@ lint:
 
 clean:
 	rm $(BINDIR)/*
+
+CLANG ?= clang-14
+CFLAGS := -O2 -g -Wall -Werror $(CFLAGS)
+
+ebpf: export BPF_CLANG := $(CLANG)
+ebpf: export BPF_CFLAGS := $(CFLAGS)
+ebpf:
+	cd component/ebpf/ && go generate ./...

adapter/adapter.go

@@ -11,7 +11,6 @@ import (
 	"net/http"
 	"net/netip"
 	"net/url"
-	"strings"
 	"time"
 
 	"go.uber.org/atomic"
@@ -40,11 +39,6 @@ func (p *Proxy) Dial(metadata *C.Metadata) (C.Conn, error) {
 // DialContext implements C.ProxyAdapter
 func (p *Proxy) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
 	conn, err := p.ProxyAdapter.DialContext(ctx, metadata, opts...)
-	wasCancel := false
-	if err != nil {
-		wasCancel = strings.Contains(err.Error(), "operation was canceled")
-	}
-	p.alive.Store(err == nil || wasCancel)
 	return conn, err
 }
 
@@ -58,7 +52,6 @@ func (p *Proxy) DialUDP(metadata *C.Metadata) (C.PacketConn, error) {
 // ListenPacketContext implements C.ProxyAdapter
 func (p *Proxy) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
 	pc, err := p.ProxyAdapter.ListenPacketContext(ctx, metadata, opts...)
-	p.alive.Store(err == nil)
 	return pc, err
 }
 

adapter/inbound/util.go

@@ -1,13 +1,13 @@
 package inbound
 
 import (
+	"github.com/Dreamacro/clash/common/nnip"
 	"net"
 	"net/http"
 	"net/netip"
 	"strconv"
 	"strings"
 
-	"github.com/Dreamacro/clash/common/nnip"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/socks5"
 )
@@ -26,7 +26,8 @@ func parseSocksAddr(target socks5.Addr) *C.Metadata {
 		metadata.DstIP = nnip.IpToAddr(net.IP(target[1 : 1+net.IPv4len]))
 		metadata.DstPort = strconv.Itoa((int(target[1+net.IPv4len]) << 8) | int(target[1+net.IPv4len+1]))
 	case socks5.AtypIPv6:
-		metadata.DstIP = nnip.IpToAddr(net.IP(target[1 : 1+net.IPv6len]))
+		ip6, _ := netip.AddrFromSlice(target[1 : 1+net.IPv6len])
+		metadata.DstIP = ip6.Unmap()
 		metadata.DstPort = strconv.Itoa((int(target[1+net.IPv6len]) << 8) | int(target[1+net.IPv6len+1]))
 	}
 

adapter/outbound/base.go

@@ -13,13 +13,14 @@ import (
 )
 
 type Base struct {
-	name  string
+	name   string
-	addr  string
+	addr   string
-	iface string
+	iface  string
-	tp    C.AdapterType
+	tp     C.AdapterType
-	udp   bool
+	udp    bool
-	rmark int
+	rmark  int
-	id    string
+	id     string
+	prefer C.DNSPrefer
 }
 
 // Name implements C.ProxyAdapter
@@ -103,12 +104,25 @@ func (b *Base) DialOptions(opts ...dialer.Option) []dialer.Option {
 		opts = append(opts, dialer.WithRoutingMark(b.rmark))
 	}
 
+	switch b.prefer {
+	case C.IPv4Only:
+		opts = append(opts, dialer.WithOnlySingleStack(true))
+	case C.IPv6Only:
+		opts = append(opts, dialer.WithOnlySingleStack(false))
+	case C.IPv4Prefer:
+		opts = append(opts, dialer.WithPreferIPv4())
+	case C.IPv6Prefer:
+		opts = append(opts, dialer.WithPreferIPv6())
+	default:
+	}
+
 	return opts
 }
 
 type BasicOption struct {
 	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"`
 }
 
 type BaseOption struct {
@@ -118,16 +132,18 @@ type BaseOption struct {
 	UDP         bool
 	Interface   string
 	RoutingMark int
+	Prefer      C.DNSPrefer
 }
 
 func NewBase(opt BaseOption) *Base {
 	return &Base{
-		name:  opt.Name,
+		name:   opt.Name,
-		addr:  opt.Addr,
+		addr:   opt.Addr,
-		tp:    opt.Type,
+		tp:     opt.Type,
-		udp:   opt.UDP,
+		udp:    opt.UDP,
-		iface: opt.Interface,
+		iface:  opt.Interface,
-		rmark: opt.RoutingMark,
+		rmark:  opt.RoutingMark,
+		prefer: opt.Prefer,
 	}
 }
 

adapter/outbound/direct.go

@@ -40,9 +40,10 @@ type directPacketConn struct {
 func NewDirect() *Direct {
 	return &Direct{
 		Base: &Base{
-			name: "DIRECT",
+			name:   "DIRECT",
-			tp:   C.Direct,
+			tp:     C.Direct,
-			udp:  true,
+			udp:    true,
+			prefer: C.DualStack,
 		},
 	}
 }
@@ -50,9 +51,10 @@ func NewDirect() *Direct {
 func NewCompatible() *Direct {
 	return &Direct{
 		Base: &Base{
-			name: "COMPATIBLE",
+			name:   "COMPATIBLE",
-			tp:   C.Compatible,
+			tp:     C.Compatible,
-			udp:  true,
+			udp:    true,
+			prefer: C.DualStack,
 		},
 	}
 }

adapter/outbound/http.go

@@ -7,6 +7,7 @@ import (
 	"encoding/base64"
 	"errors"
 	"fmt"
+	tlsC "github.com/Dreamacro/clash/component/tls"
 	"io"
 	"net"
 	"net/http"
@@ -35,6 +36,7 @@ type HttpOption struct {
 	TLS            bool              `proxy:"tls,omitempty"`
 	SNI            string            `proxy:"sni,omitempty"`
 	SkipCertVerify bool              `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint    string            `proxy:"fingerprint,omitempty"`
 	Headers        map[string]string `proxy:"headers,omitempty"`
 }
 
@@ -126,30 +128,41 @@ func (h *Http) shakeHand(metadata *C.Metadata, rw io.ReadWriter) error {
 	return fmt.Errorf("can not connect remote err code: %d", resp.StatusCode)
 }
 
-func NewHttp(option HttpOption) *Http {
+func NewHttp(option HttpOption) (*Http, error) {
 	var tlsConfig *tls.Config
 	if option.TLS {
 		sni := option.Server
 		if option.SNI != "" {
 			sni = option.SNI
 		}
-		tlsConfig = &tls.Config{
+		if len(option.Fingerprint) == 0 {
-			InsecureSkipVerify: option.SkipCertVerify,
+			tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(&tls.Config{
-			ServerName:         sni,
+				InsecureSkipVerify: option.SkipCertVerify,
+				ServerName:         sni,
+			})
+		} else {
+			var err error
+			if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(&tls.Config{
+				InsecureSkipVerify: option.SkipCertVerify,
+				ServerName:         sni,
+			}, option.Fingerprint); err != nil {
+				return nil, err
+			}
 		}
 	}
 
 	return &Http{
 		Base: &Base{
-			name:  option.Name,
+			name:   option.Name,
-			addr:  net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
+			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
-			tp:    C.Http,
+			tp:     C.Http,
-			iface: option.Interface,
+			iface:  option.Interface,
-			rmark: option.RoutingMark,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		user:      option.UserName,
 		pass:      option.Password,
 		tlsConfig: tlsConfig,
 		option:    &option,
-	}
+	}, nil
 }

adapter/outbound/hysteria.go

@@ -2,11 +2,19 @@ package outbound
 
 import (
 	"context"
+	"crypto/sha256"
 	"crypto/tls"
-	"crypto/x509"
+	"encoding/hex"
+	"encoding/pem"
 	"fmt"
-	"io/ioutil"
+	tlsC "github.com/Dreamacro/clash/component/tls"
+	"github.com/Dreamacro/clash/transport/hysteria/core"
+	"github.com/Dreamacro/clash/transport/hysteria/obfs"
+	"github.com/Dreamacro/clash/transport/hysteria/pmtud_fix"
+	"github.com/Dreamacro/clash/transport/hysteria/transport"
+	"github.com/lucas-clemente/quic-go"
 	"net"
+	"os"
 	"regexp"
 	"strconv"
 	"time"
@@ -14,14 +22,9 @@ import (
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
-	"github.com/lucas-clemente/quic-go"
+	hyCongestion "github.com/Dreamacro/clash/transport/hysteria/congestion"
 	"github.com/lucas-clemente/quic-go/congestion"
 	M "github.com/sagernet/sing/common/metadata"
-	hyCongestion "github.com/tobyxdd/hysteria/pkg/congestion"
-	"github.com/tobyxdd/hysteria/pkg/core"
-	"github.com/tobyxdd/hysteria/pkg/obfs"
-	"github.com/tobyxdd/hysteria/pkg/pmtud_fix"
-	"github.com/tobyxdd/hysteria/pkg/transport"
 )
 
 const (
@@ -46,11 +49,15 @@ type Hysteria struct {
 
 func (h *Hysteria) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
 	hdc := hyDialerWithContext{
-		ctx: ctx,
+		ctx: context.Background(),
 		hyDialer: func() (net.PacketConn, error) {
 			return dialer.ListenPacket(ctx, "udp", "", h.Base.DialOptions(opts...)...)
 		},
+		remoteAddr: func(addr string) (net.Addr, error) {
+			return resolveUDPAddrWithPrefer("udp", addr, h.prefer)
+		},
 	}
+
 	tcpConn, err := h.client.DialTCP(metadata.RemoteAddress(), &hdc)
 	if err != nil {
 		return nil, err
@@ -61,7 +68,7 @@ func (h *Hysteria) DialContext(ctx context.Context, metadata *C.Metadata, opts .
 
 func (h *Hysteria) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
 	hdc := hyDialerWithContext{
-		ctx: ctx,
+		ctx: context.Background(),
 		hyDialer: func() (net.PacketConn, error) {
 			return dialer.ListenPacket(ctx, "udp", "", h.Base.DialOptions(opts...)...)
 		},
@@ -85,6 +92,7 @@ type HysteriaOption struct {
 	Obfs                string `proxy:"obfs,omitempty"`
 	SNI                 string `proxy:"sni,omitempty"`
 	SkipCertVerify      bool   `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint         string `proxy:"fingerprint,omitempty"`
 	ALPN                string `proxy:"alpn,omitempty"`
 	CustomCA            string `proxy:"ca,omitempty"`
 	CustomCAString      string `proxy:"ca_str,omitempty"`
@@ -120,39 +128,58 @@ func NewHysteria(option HysteriaOption) (*Hysteria, error) {
 	if option.SNI != "" {
 		serverName = option.SNI
 	}
+
 	tlsConfig := &tls.Config{
 		ServerName:         serverName,
 		InsecureSkipVerify: option.SkipCertVerify,
 		MinVersion:         tls.VersionTLS13,
 	}
+
+	var bs []byte
+	var err error
+	if len(option.CustomCA) > 0 {
+		bs, err = os.ReadFile(option.CustomCA)
+		if err != nil {
+			return nil, fmt.Errorf("hysteria %s load ca error: %w", addr, err)
+		}
+	} else if option.CustomCAString != "" {
+		bs = []byte(option.CustomCAString)
+	}
+
+	if len(bs) > 0 {
+		block, _ := pem.Decode(bs)
+		if block == nil {
+			return nil, fmt.Errorf("CA cert is not PEM")
+		}
+
+		fpBytes := sha256.Sum256(block.Bytes)
+		if len(option.Fingerprint) == 0 {
+			option.Fingerprint = hex.EncodeToString(fpBytes[:])
+		}
+	}
+
+	if len(option.Fingerprint) != 0 {
+		var err error
+		tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint)
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+	}
+
 	if len(option.ALPN) > 0 {
 		tlsConfig.NextProtos = []string{option.ALPN}
 	} else {
 		tlsConfig.NextProtos = []string{DefaultALPN}
 	}
-	if len(option.CustomCA) > 0 {
+
-		bs, err := ioutil.ReadFile(option.CustomCA)
-		if err != nil {
-			return nil, fmt.Errorf("hysteria %s load ca error: %w", addr, err)
-		}
-		cp := x509.NewCertPool()
-		if !cp.AppendCertsFromPEM(bs) {
-			return nil, fmt.Errorf("hysteria %s failed to parse ca_str", addr)
-		}
-		tlsConfig.RootCAs = cp
-	} else if option.CustomCAString != "" {
-		cp := x509.NewCertPool()
-		if !cp.AppendCertsFromPEM([]byte(option.CustomCAString)) {
-			return nil, fmt.Errorf("hysteria %s failed to parse ca_str", addr)
-		}
-		tlsConfig.RootCAs = cp
-	}
 	quicConfig := &quic.Config{
 		InitialStreamReceiveWindow:     uint64(option.ReceiveWindowConn),
 		MaxStreamReceiveWindow:         uint64(option.ReceiveWindowConn),
 		InitialConnectionReceiveWindow: uint64(option.ReceiveWindow),
 		MaxConnectionReceiveWindow:     uint64(option.ReceiveWindow),
-		KeepAlive:                      true,
+		KeepAlivePeriod:                10 * time.Second,
 		DisablePathMTUDiscovery:        option.DisableMTUDiscovery,
 		EnableDatagrams:                true,
 	}
@@ -160,11 +187,11 @@ func NewHysteria(option HysteriaOption) (*Hysteria, error) {
 		option.Protocol = DefaultProtocol
 	}
 	if option.ReceiveWindowConn == 0 {
-		quicConfig.InitialStreamReceiveWindow = DefaultStreamReceiveWindow
+		quicConfig.InitialStreamReceiveWindow = DefaultStreamReceiveWindow / 10
 		quicConfig.MaxStreamReceiveWindow = DefaultStreamReceiveWindow
 	}
 	if option.ReceiveWindow == 0 {
-		quicConfig.InitialConnectionReceiveWindow = DefaultConnectionReceiveWindow
+		quicConfig.InitialConnectionReceiveWindow = DefaultConnectionReceiveWindow / 10
 		quicConfig.MaxConnectionReceiveWindow = DefaultConnectionReceiveWindow
 	}
 	if !quicConfig.DisablePathMTUDiscovery && pmtud_fix.DisablePathMTUDiscovery {
@@ -192,12 +219,13 @@ func NewHysteria(option HysteriaOption) (*Hysteria, error) {
 	}
 	return &Hysteria{
 		Base: &Base{
-			name:  option.Name,
+			name:   option.Name,
-			addr:  addr,
+			addr:   addr,
-			tp:    C.Hysteria,
+			tp:     C.Hysteria,
-			udp:   true,
+			udp:    true,
-			iface: option.Interface,
+			iface:  option.Interface,
-			rmark: option.RoutingMark,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		client: client,
 	}, nil
@@ -263,8 +291,9 @@ func (c *hyPacketConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
 }
 
 type hyDialerWithContext struct {
-	hyDialer func() (net.PacketConn, error)
+	hyDialer   func() (net.PacketConn, error)
-	ctx      context.Context
+	ctx        context.Context
+	remoteAddr func(host string) (net.Addr, error)
 }
 
 func (h *hyDialerWithContext) ListenPacket() (net.PacketConn, error) {
@@ -274,3 +303,7 @@ func (h *hyDialerWithContext) ListenPacket() (net.PacketConn, error) {
 func (h *hyDialerWithContext) Context() context.Context {
 	return h.ctx
 }
+
+func (h *hyDialerWithContext) RemoteAddr(host string) (net.Addr, error) {
+	return h.remoteAddr(host)
+}

adapter/outbound/reject.go

@@ -27,9 +27,10 @@ func (r *Reject) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 func NewReject() *Reject {
 	return &Reject{
 		Base: &Base{
-			name: "REJECT",
+			name:   "REJECT",
-			tp:   C.Reject,
+			tp:     C.Reject,
-			udp:  true,
+			udp:    true,
+			prefer: C.DualStack,
 		},
 	}
 }
@@ -37,9 +38,10 @@ func NewReject() *Reject {
 func NewPass() *Reject {
 	return &Reject{
 		Base: &Base{
-			name: "PASS",
+			name:   "PASS",
-			tp:   C.Pass,
+			tp:     C.Pass,
-			udp:  true,
+			udp:    true,
+			prefer: C.DualStack,
 		},
 	}
 }

adapter/outbound/shadowsocks.go

@@ -60,6 +60,7 @@ type v2rayObfsOption struct {
 	Host           string            `obfs:"host,omitempty"`
 	Path           string            `obfs:"path,omitempty"`
 	TLS            bool              `obfs:"tls,omitempty"`
+	Fingerprint    string            `obfs:"fingerprint,omitempty"`
 	Headers        map[string]string `obfs:"headers,omitempty"`
 	SkipCertVerify bool              `obfs:"skip-cert-verify,omitempty"`
 	Mux            bool              `obfs:"mux,omitempty"`
@@ -115,7 +116,7 @@ func (ss *ShadowSocks) ListenPacketContext(ctx context.Context, metadata *C.Meta
 		return nil, err
 	}
 
-	addr, err := resolveUDPAddr("udp", ss.addr)
+	addr, err := resolveUDPAddrWithPrefer("udp", ss.addr, ss.prefer)
 	if err != nil {
 		pc.Close()
 		return nil, err
@@ -185,12 +186,13 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 
 	return &ShadowSocks{
 		Base: &Base{
-			name:  option.Name,
+			name:   option.Name,
-			addr:  addr,
+			addr:   addr,
-			tp:    C.Shadowsocks,
+			tp:     C.Shadowsocks,
-			udp:   option.UDP,
+			udp:    option.UDP,
-			iface: option.Interface,
+			iface:  option.Interface,
-			rmark: option.RoutingMark,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		method: method,
 

adapter/outbound/shadowsocksr.go

@@ -79,7 +79,7 @@ func (ssr *ShadowSocksR) ListenPacketContext(ctx context.Context, metadata *C.Me
 		return nil, err
 	}
 
-	addr, err := resolveUDPAddr("udp", ssr.addr)
+	addr, err := resolveUDPAddrWithPrefer("udp", ssr.addr, ssr.prefer)
 	if err != nil {
 		pc.Close()
 		return nil, err
@@ -143,12 +143,13 @@ func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {
 
 	return &ShadowSocksR{
 		Base: &Base{
-			name:  option.Name,
+			name:   option.Name,
-			addr:  addr,
+			addr:   addr,
-			tp:    C.ShadowsocksR,
+			tp:     C.ShadowsocksR,
-			udp:   option.UDP,
+			udp:    option.UDP,
-			iface: option.Interface,
+			iface:  option.Interface,
-			rmark: option.RoutingMark,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		cipher:   coreCiph,
 		obfs:     obfs,

adapter/outbound/snell.go

@@ -152,12 +152,13 @@ func NewSnell(option SnellOption) (*Snell, error) {
 
 	s := &Snell{
 		Base: &Base{
-			name:  option.Name,
+			name:   option.Name,
-			addr:  addr,
+			addr:   addr,
-			tp:    C.Snell,
+			tp:     C.Snell,
-			udp:   option.UDP,
+			udp:    option.UDP,
-			iface: option.Interface,
+			iface:  option.Interface,
-			rmark: option.RoutingMark,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		psk:        psk,
 		obfsOption: obfsOption,

adapter/outbound/socks5.go

@@ -5,6 +5,7 @@ import (
 	"crypto/tls"
 	"errors"
 	"fmt"
+	tlsC "github.com/Dreamacro/clash/component/tls"
 	"io"
 	"net"
 	"strconv"
@@ -33,6 +34,7 @@ type Socks5Option struct {
 	TLS            bool   `proxy:"tls,omitempty"`
 	UDP            bool   `proxy:"udp,omitempty"`
 	SkipCertVerify bool   `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint    string `proxy:"fingerprint,omitempty"`
 }
 
 // StreamConn implements C.ProxyAdapter
@@ -138,30 +140,40 @@ func (ss *Socks5) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 	return newPacketConn(&socksPacketConn{PacketConn: pc, rAddr: bindUDPAddr, tcpConn: c}, ss), nil
 }
 
-func NewSocks5(option Socks5Option) *Socks5 {
+func NewSocks5(option Socks5Option) (*Socks5, error) {
 	var tlsConfig *tls.Config
 	if option.TLS {
 		tlsConfig = &tls.Config{
 			InsecureSkipVerify: option.SkipCertVerify,
 			ServerName:         option.Server,
 		}
+
+		if len(option.Fingerprint) == 0 {
+			tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+		} else {
+			var err error
+			if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint); err != nil {
+				return nil, err
+			}
+		}
 	}
 
 	return &Socks5{
 		Base: &Base{
-			name:  option.Name,
+			name:   option.Name,
-			addr:  net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
+			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
-			tp:    C.Socks5,
+			tp:     C.Socks5,
-			udp:   option.UDP,
+			udp:    option.UDP,
-			iface: option.Interface,
+			iface:  option.Interface,
-			rmark: option.RoutingMark,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		user:           option.UserName,
 		pass:           option.Password,
 		tls:            option.TLS,
 		skipCertVerify: option.SkipCertVerify,
 		tlsConfig:      tlsConfig,
-	}
+	}, nil
 }
 
 type socksPacketConn struct {

adapter/outbound/trojan.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"crypto/tls"
 	"fmt"
+	tlsC "github.com/Dreamacro/clash/component/tls"
 	"net"
 	"net/http"
 	"strconv"
@@ -35,6 +36,7 @@ type TrojanOption struct {
 	ALPN           []string    `proxy:"alpn,omitempty"`
 	SNI            string      `proxy:"sni,omitempty"`
 	SkipCertVerify bool        `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint    string      `proxy:"fingerprint,omitempty"`
 	UDP            bool        `proxy:"udp,omitempty"`
 	Network        string      `proxy:"network,omitempty"`
 	GrpcOpts       GrpcOptions `proxy:"grpc-opts,omitempty"`
@@ -188,6 +190,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 		ServerName:     option.Server,
 		SkipCertVerify: option.SkipCertVerify,
 		FlowShow:       option.FlowShow,
+		Fingerprint:    option.Fingerprint,
 	}
 
 	if option.Network != "ws" && len(option.Flow) >= 16 {
@@ -206,12 +209,13 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 
 	t := &Trojan{
 		Base: &Base{
-			name:  option.Name,
+			name:   option.Name,
-			addr:  addr,
+			addr:   addr,
-			tp:    C.Trojan,
+			tp:     C.Trojan,
-			udp:   option.UDP,
+			udp:    option.UDP,
-			iface: option.Interface,
+			iface:  option.Interface,
-			rmark: option.RoutingMark,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		instance: trojan.New(tOption),
 		option:   &option,
@@ -234,6 +238,15 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 			ServerName:         tOption.ServerName,
 		}
 
+		if len(option.Fingerprint) == 0 {
+			tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+		} else {
+			var err error
+			if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint); err != nil {
+				return nil, err
+			}
+		}
+
 		if t.option.Flow != "" {
 			t.transport = gun.NewHTTP2XTLSClient(dialFn, tlsConfig)
 		} else {

adapter/outbound/util.go

@@ -5,6 +5,7 @@ import (
 	"crypto/tls"
 	xtls "github.com/xtls/go"
 	"net"
+	"net/netip"
 	"strconv"
 	"sync"
 	"time"
@@ -74,6 +75,60 @@ func resolveUDPAddr(network, address string) (*net.UDPAddr, error) {
 	return net.ResolveUDPAddr(network, net.JoinHostPort(ip.String(), port))
 }
 
+func resolveUDPAddrWithPrefer(network, address string, prefer C.DNSPrefer) (*net.UDPAddr, error) {
+	host, port, err := net.SplitHostPort(address)
+	if err != nil {
+		return nil, err
+	}
+	var ip netip.Addr
+	switch prefer {
+	case C.IPv4Only:
+		ip, err = resolver.ResolveIPv4ProxyServerHost(host)
+	case C.IPv6Only:
+		ip, err = resolver.ResolveIPv6ProxyServerHost(host)
+	case C.IPv6Prefer:
+		var ips []netip.Addr
+		ips, err = resolver.ResolveAllIPProxyServerHost(host)
+		var fallback netip.Addr
+		if err == nil {
+			for _, addr := range ips {
+				if addr.Is6() {
+					ip = addr
+					break
+				} else {
+					if !fallback.IsValid() {
+						fallback = addr
+					}
+				}
+			}
+			ip = fallback
+		}
+	default:
+		// C.IPv4Prefer, C.DualStack and other 
+		var ips []netip.Addr
+		ips, err = resolver.ResolveAllIPProxyServerHost(host)
+		var fallback netip.Addr
+		if err == nil {
+			for _, addr := range ips {
+				if addr.Is4() {
+					ip = addr
+					break
+				} else {
+					if !fallback.IsValid() {
+						fallback = addr
+					}
+				}
+			}
+			ip = fallback
+		}
+	}
+
+	if err != nil {
+		return nil, err
+	}
+	return net.ResolveUDPAddr(network, net.JoinHostPort(ip.String(), port))
+}
+
 func safeConnClose(c net.Conn, err error) {
 	if err != nil {
 		_ = c.Close()

adapter/outbound/vless.go

@@ -7,6 +7,7 @@ import (
 	"errors"
 	"fmt"
 	"github.com/Dreamacro/clash/common/convert"
+	tlsC "github.com/Dreamacro/clash/component/tls"
 	"io"
 	"net"
 	"net/http"
@@ -55,6 +56,7 @@ type VlessOption struct {
 	WSPath         string            `proxy:"ws-path,omitempty"`
 	WSHeaders      map[string]string `proxy:"ws-headers,omitempty"`
 	SkipCertVerify bool              `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint    string            `proxy:"fingerprint,omitempty"`
 	ServerName     string            `proxy:"servername,omitempty"`
 }
 
@@ -80,12 +82,19 @@ func (v *Vless) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 		}
 		if v.option.TLS {
 			wsOpts.TLS = true
-			wsOpts.TLSConfig = &tls.Config{
+			tlsConfig := &tls.Config{
 				MinVersion:         tls.VersionTLS12,
 				ServerName:         host,
 				InsecureSkipVerify: v.option.SkipCertVerify,
 				NextProtos:         []string{"http/1.1"},
 			}
+
+			if len(v.option.Fingerprint) == 0 {
+				wsOpts.TLSConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+			} else {
+				wsOpts.TLSConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint)
+			}
+
 			if v.option.ServerName != "" {
 				wsOpts.TLSConfig.ServerName = v.option.ServerName
 			} else if host := wsOpts.Headers.Get("Host"); host != "" {
@@ -152,6 +161,7 @@ func (v *Vless) streamTLSOrXTLSConn(conn net.Conn, isH2 bool) (net.Conn, error)
 		xtlsOpts := vless.XTLSConfig{
 			Host:           host,
 			SkipCertVerify: v.option.SkipCertVerify,
+			FingerPrint:    v.option.Fingerprint,
 		}
 
 		if isH2 {
@@ -168,6 +178,7 @@ func (v *Vless) streamTLSOrXTLSConn(conn net.Conn, isH2 bool) (net.Conn, error)
 		tlsOpts := vmess.TLSConfig{
 			Host:           host,
 			SkipCertVerify: v.option.SkipCertVerify,
+			FingerPrint:    v.option.Fingerprint,
 		}
 
 		if isH2 {
@@ -407,11 +418,12 @@ func NewVless(option VlessOption) (*Vless, error) {
 
 	v := &Vless{
 		Base: &Base{
-			name:  option.Name,
+			name:   option.Name,
-			addr:  net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
+			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
-			tp:    C.Vless,
+			tp:     C.Vless,
-			udp:   option.UDP,
+			udp:    option.UDP,
-			iface: option.Interface,
+			iface:  option.Interface,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		client: client,
 		option: &option,
@@ -436,10 +448,10 @@ func NewVless(option VlessOption) (*Vless, error) {
 			ServiceName: v.option.GrpcOpts.GrpcServiceName,
 			Host:        v.option.ServerName,
 		}
-		tlsConfig := &tls.Config{
+		tlsConfig := tlsC.GetGlobalFingerprintTLCConfig(&tls.Config{
 			InsecureSkipVerify: v.option.SkipCertVerify,
 			ServerName:         v.option.ServerName,
-		}
+		})
 
 		if v.option.ServerName == "" {
 			host, _, _ := net.SplitHostPort(v.addr)

adapter/outbound/vmess.go

@@ -5,19 +5,19 @@ import (
 	"crypto/tls"
 	"errors"
 	"fmt"
+	tlsC "github.com/Dreamacro/clash/component/tls"
+	vmess "github.com/sagernet/sing-vmess"
 	"net"
 	"net/http"
 	"strconv"
 	"strings"
 	"sync"
 
-	"github.com/Dreamacro/clash/common/convert"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/gun"
 	clashVMess "github.com/Dreamacro/clash/transport/vmess"
-	"github.com/sagernet/sing-vmess"
 	"github.com/sagernet/sing-vmess/packetaddr"
 	M "github.com/sagernet/sing/common/metadata"
 )
@@ -45,6 +45,7 @@ type VmessOption struct {
 	Network             string       `proxy:"network,omitempty"`
 	TLS                 bool         `proxy:"tls,omitempty"`
 	SkipCertVerify      bool         `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint         string       `proxy:"fingerprint,omitempty"`
 	ServerName          string       `proxy:"servername,omitempty"`
 	HTTPOpts            HTTPOptions  `proxy:"http-opts,omitempty"`
 	HTTP2Opts           HTTP2Options `proxy:"h2-opts,omitempty"`
@@ -100,21 +101,26 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 
 		if v.option.TLS {
 			wsOpts.TLS = true
-			wsOpts.TLSConfig = &tls.Config{
+			tlsConfig := &tls.Config{
 				ServerName:         host,
 				InsecureSkipVerify: v.option.SkipCertVerify,
 				NextProtos:         []string{"http/1.1"},
 			}
+
+			if len(v.option.Fingerprint) == 0 {
+				wsOpts.TLSConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+			} else {
+				var err error
+				if wsOpts.TLSConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint); err != nil {
+					return nil, err
+				}
+			}
+
 			if v.option.ServerName != "" {
 				wsOpts.TLSConfig.ServerName = v.option.ServerName
 			} else if host := wsOpts.Headers.Get("Host"); host != "" {
 				wsOpts.TLSConfig.ServerName = host
 			}
-		} else {
-			if host := wsOpts.Headers.Get("Host"); host == "" {
-				wsOpts.Headers.Set("Host", convert.RandHost())
-				convert.SetUserAgent(wsOpts.Headers)
-			}
 		}
 		c, err = clashVMess.StreamWebsocketConn(c, wsOpts)
 	case "http":
@@ -310,12 +316,13 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 
 	v := &Vmess{
 		Base: &Base{
-			name:  option.Name,
+			name:   option.Name,
-			addr:  net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
+			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
-			tp:    C.Vmess,
+			tp:     C.Vmess,
-			udp:   option.UDP,
+			udp:    option.UDP,
-			iface: option.Interface,
+			iface:  option.Interface,
-			rmark: option.RoutingMark,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		client: client,
 		option: &option,

adapter/outboundgroup/fallback.go

@@ -79,17 +79,23 @@ func (f *Fallback) Unwrap(metadata *C.Metadata) C.Proxy {
 
 func (f *Fallback) findAliveProxy(touch bool) C.Proxy {
 	proxies := f.GetProxies(touch)
-	al := proxies[0]
+	for _, proxy := range proxies {
-	for i := len(proxies) - 1; i > -1; i-- {
+		if len(f.selected) == 0 {
-		proxy := proxies[i]
+			if proxy.Alive() {
-		if proxy.Name() == f.selected && proxy.Alive() {
+				return proxy
-			return proxy
+			}
-		}
+		} else {
-		if proxy.Alive() {
+			if proxy.Name() == f.selected {
-			al = proxy
+				if proxy.Alive() {
+					return proxy
+				} else {
+					f.selected = ""
+				}
+			}
 		}
 	}
-	return al
+
+	return proxies[0]
 }
 
 func (f *Fallback) Set(name string) error {

adapter/outboundgroup/groupbase.go

@@ -19,12 +19,12 @@ type GroupBase struct {
 	*outbound.Base
 	filter        *regexp2.Regexp
 	providers     []provider.ProxyProvider
-	versions      sync.Map // map[string]uint
-	proxies       sync.Map // map[string][]C.Proxy
 	failedTestMux sync.Mutex
 	failedTimes   int
 	failedTime    time.Time
 	failedTesting *atomic.Bool
+	proxies       [][]C.Proxy
+	versions      []atomic.Uint32
 }
 
 type GroupBaseOption struct {
@@ -38,12 +38,18 @@ func NewGroupBase(opt GroupBaseOption) *GroupBase {
 	if opt.filter != "" {
 		filter = regexp2.MustCompile(opt.filter, 0)
 	}
-	return &GroupBase{
+
+	gb := &GroupBase{
 		Base:          outbound.NewBase(opt.BaseOption),
 		filter:        filter,
 		providers:     opt.providers,
 		failedTesting: atomic.NewBool(false),
 	}
+
+	gb.proxies = make([][]C.Proxy, len(opt.providers))
+	gb.versions = make([]atomic.Uint32, len(opt.providers))
+
+	return gb
 }
 
 func (gb *GroupBase) GetProxies(touch bool) []C.Proxy {
@@ -61,43 +67,44 @@ func (gb *GroupBase) GetProxies(touch bool) []C.Proxy {
 		return proxies
 	}
 
-	for _, pd := range gb.providers {
+	for i, pd := range gb.providers {
 		if touch {
 			pd.Touch()
 		}
 
 		if pd.VehicleType() == types.Compatible {
-			gb.proxies.Store(pd.Name(), pd.Proxies())
+			gb.versions[i].Store(pd.Version())
-			gb.versions.Store(pd.Name(), pd.Version())
+			gb.proxies[i] = pd.Proxies()
 			continue
 		}
 
-		if version, ok := gb.versions.Load(pd.Name()); !ok || version != pd.Version() {
+		version := gb.versions[i].Load()
+		if version != pd.Version() && gb.versions[i].CAS(version, pd.Version()) {
 			var (
 				proxies    []C.Proxy
 				newProxies []C.Proxy
 			)
 
 			proxies = pd.Proxies()
-
 			for _, p := range proxies {
 				if mat, _ := gb.filter.FindStringMatch(p.Name()); mat != nil {
 					newProxies = append(newProxies, p)
 				}
 			}
 
-			gb.proxies.Store(pd.Name(), newProxies)
+			gb.proxies[i] = newProxies
-			gb.versions.Store(pd.Name(), pd.Version())
 		}
 	}
+
 	var proxies []C.Proxy
-	gb.proxies.Range(func(key, value any) bool {
+	for _, p := range gb.proxies {
-		proxies = append(proxies, value.([]C.Proxy)...)
+		proxies = append(proxies, p...)
-		return true
+	}
-	})
+
 	if len(proxies) == 0 {
 		return append(proxies, tunnel.Proxies()["COMPATIBLE"])
 	}
+
 	return proxies
 }
 
@@ -144,6 +151,7 @@ func (gb *GroupBase) onDialFailed() {
 			gb.failedTime = time.Now()
 		} else {
 			if time.Since(gb.failedTime) > gb.failedTimeoutInterval() {
+				gb.failedTimes = 0
 				return
 			}
 

adapter/outboundgroup/loadbalance.go

@@ -29,10 +29,8 @@ type LoadBalance struct {
 var errStrategy = errors.New("unsupported strategy")
 
 func parseStrategy(config map[string]any) string {
-	if elm, ok := config["strategy"]; ok {
+	if strategy, ok := config["strategy"].(string); ok {
-		if strategy, ok := elm.(string); ok {
+		return strategy
-			return strategy
-		}
 	}
 	return "consistent-hashing"
 }
@@ -145,6 +143,13 @@ func strategyConsistentHashing() strategyFn {
 			}
 		}
 
+		// when availability is poor, traverse the entire list to get the available nodes
+		for _, proxy := range proxies {
+			if proxy.Alive() {
+				return proxy
+			}
+		}
+
 		return proxies[0]
 	}
 }

adapter/parser.go

@@ -40,14 +40,14 @@ func ParseProxy(mapping map[string]any) (C.Proxy, error) {
 		if err != nil {
 			break
 		}
-		proxy = outbound.NewSocks5(*socksOption)
+		proxy, err = outbound.NewSocks5(*socksOption)
 	case "http":
 		httpOption := &outbound.HttpOption{}
 		err = decoder.Decode(mapping, httpOption)
 		if err != nil {
 			break
 		}
-		proxy = outbound.NewHttp(*httpOption)
+		proxy, err = outbound.NewHttp(*httpOption)
 	case "vmess":
 		vmessOption := &outbound.VmessOption{
 			HTTPOpts: outbound.HTTPOptions{

adapter/provider/parser.go

@@ -3,6 +3,7 @@ package provider
 import (
 	"errors"
 	"fmt"
+	"github.com/Dreamacro/clash/component/resource"
 	"time"
 
 	"github.com/Dreamacro/clash/common/structure"
@@ -51,9 +52,9 @@ func ParseProxyProvider(name string, mapping map[string]any) (types.ProxyProvide
 	var vehicle types.Vehicle
 	switch schema.Type {
 	case "file":
-		vehicle = NewFileVehicle(path)
+		vehicle = resource.NewFileVehicle(path)
 	case "http":
-		vehicle = NewHTTPVehicle(schema.URL, path)
+		vehicle = resource.NewHTTPVehicle(schema.URL, path)
 	default:
 		return nil, fmt.Errorf("%w: %s", errVehicleType, schema.Type)
 	}

adapter/provider/provider.go

@@ -5,8 +5,8 @@ import (
 	"errors"
 	"fmt"
 	"github.com/Dreamacro/clash/common/convert"
+	"github.com/Dreamacro/clash/component/resource"
 	"github.com/dlclark/regexp2"
-	"math"
 	"runtime"
 	"time"
 
@@ -31,10 +31,10 @@ type ProxySetProvider struct {
 }
 
 type proxySetProvider struct {
-	*fetcher[[]C.Proxy]
+	*resource.Fetcher[[]C.Proxy]
 	proxies     []C.Proxy
 	healthCheck *HealthCheck
-	version     uint
+	version     uint32
 }
 
 func (pp *proxySetProvider) MarshalJSON() ([]byte, error) {
@@ -43,16 +43,16 @@ func (pp *proxySetProvider) MarshalJSON() ([]byte, error) {
 		"type":        pp.Type().String(),
 		"vehicleType": pp.VehicleType().String(),
 		"proxies":     pp.Proxies(),
-		"updatedAt":   pp.updatedAt,
+		"updatedAt":   pp.UpdatedAt,
 	})
 }
 
-func (pp *proxySetProvider) Version() uint {
+func (pp *proxySetProvider) Version() uint32 {
 	return pp.version
 }
 
 func (pp *proxySetProvider) Name() string {
-	return pp.name
+	return pp.Fetcher.Name()
 }
 
 func (pp *proxySetProvider) HealthCheck() {
@@ -60,19 +60,19 @@ func (pp *proxySetProvider) HealthCheck() {
 }
 
 func (pp *proxySetProvider) Update() error {
-	elm, same, err := pp.fetcher.Update()
+	elm, same, err := pp.Fetcher.Update()
 	if err == nil && !same {
-		pp.onUpdate(elm)
+		pp.OnUpdate(elm)
 	}
 	return err
 }
 
 func (pp *proxySetProvider) Initial() error {
-	elm, err := pp.fetcher.Initial()
+	elm, err := pp.Fetcher.Initial()
 	if err != nil {
 		return err
 	}
-	pp.onUpdate(elm)
+	pp.OnUpdate(elm)
 	return nil
 }
 
@@ -98,7 +98,7 @@ func (pp *proxySetProvider) setProxies(proxies []C.Proxy) {
 
 func stopProxyProvider(pd *ProxySetProvider) {
 	pd.healthCheck.close()
-	_ = pd.fetcher.Destroy()
+	_ = pd.Fetcher.Destroy()
 }
 
 func NewProxySetProvider(name string, interval time.Duration, filter string, vehicle types.Vehicle, hc *HealthCheck) (*ProxySetProvider, error) {
@@ -116,8 +116,8 @@ func NewProxySetProvider(name string, interval time.Duration, filter string, veh
 		healthCheck: hc,
 	}
 
-	fetcher := newFetcher[[]C.Proxy](name, interval, vehicle, proxiesParseAndFilter(filter, filterReg), proxiesOnUpdate(pd))
+	fetcher := resource.NewFetcher[[]C.Proxy](name, interval, vehicle, proxiesParseAndFilter(filter, filterReg), proxiesOnUpdate(pd))
-	pd.fetcher = fetcher
+	pd.Fetcher = fetcher
 
 	wrapper := &ProxySetProvider{pd}
 	runtime.SetFinalizer(wrapper, stopProxyProvider)
@@ -133,7 +133,7 @@ type compatibleProvider struct {
 	name        string
 	healthCheck *HealthCheck
 	proxies     []C.Proxy
-	version     uint
+	version     uint32
 }
 
 func (cp *compatibleProvider) MarshalJSON() ([]byte, error) {
@@ -145,7 +145,7 @@ func (cp *compatibleProvider) MarshalJSON() ([]byte, error) {
 	})
 }
 
-func (cp *compatibleProvider) Version() uint {
+func (cp *compatibleProvider) Version() uint32 {
 	return cp.version
 }
 
@@ -208,15 +208,11 @@ func NewCompatibleProvider(name string, proxies []C.Proxy, hc *HealthCheck) (*Co
 func proxiesOnUpdate(pd *proxySetProvider) func([]C.Proxy) {
 	return func(elm []C.Proxy) {
 		pd.setProxies(elm)
-		if pd.version == math.MaxUint {
+		pd.version += 1
-			pd.version = 0
-		} else {
-			pd.version++
-		}
 	}
 }
 
-func proxiesParseAndFilter(filter string, filterReg *regexp2.Regexp) parser[[]C.Proxy] {
+func proxiesParseAndFilter(filter string, filterReg *regexp2.Regexp) resource.Parser[[]C.Proxy] {
 	return func(buf []byte) ([]C.Proxy, error) {
 		schema := &ProxySchema{}
 

common/convert/base64.go

@@ -0,0 +1,45 @@
+package convert
+
+import (
+	"encoding/base64"
+	"strings"
+)
+
+var (
+	encRaw = base64.RawStdEncoding
+	enc    = base64.StdEncoding
+)
+
+// DecodeBase64 try to decode content from the given bytes,
+// which can be in base64.RawStdEncoding, base64.StdEncoding or just plaintext.
+func DecodeBase64(buf []byte) []byte {
+	result, err := tryDecodeBase64(buf)
+	if err != nil {
+		return buf
+	}
+	return result
+}
+
+func tryDecodeBase64(buf []byte) ([]byte, error) {
+	dBuf := make([]byte, encRaw.DecodedLen(len(buf)))
+	n, err := encRaw.Decode(dBuf, buf)
+	if err != nil {
+		n, err = enc.Decode(dBuf, buf)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return dBuf[:n], nil
+}
+
+func urlSafe(data string) string {
+	return strings.NewReplacer("+", "-", "/", "_").Replace(data)
+}
+
+func decodeUrlSafe(data string) string {
+	dcBuf, err := base64.RawURLEncoding.DecodeString(data)
+	if err != nil {
+		return ""
+	}
+	return string(dcBuf)
+}

common/convert/converter.go

@@ -2,7 +2,6 @@ package convert
 
 import (
 	"bytes"
-	"encoding/base64"
 	"encoding/json"
 	"fmt"
 	"net/url"
@@ -10,21 +9,6 @@ import (
 	"strings"
 )
 
-var encRaw = base64.RawStdEncoding
-var enc = base64.StdEncoding
-
-func DecodeBase64(buf []byte) []byte {
-	dBuf := make([]byte, encRaw.DecodedLen(len(buf)))
-	n, err := encRaw.Decode(dBuf, buf)
-	if err != nil {
-		n, err = enc.Decode(dBuf, buf)
-		if err != nil {
-			return buf
-		}
-	}
-	return dBuf[:n]
-}
-
 // ConvertsV2Ray convert V2Ray subscribe proxies data to clash proxies config
 func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 	data := DecodeBase64(buf)
@@ -130,102 +114,37 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 			proxies = append(proxies, trojan)
 
 		case "vless":
-			urlVless, err := url.Parse(line)
+			urlVLess, err := url.Parse(line)
 			if err != nil {
 				continue
 			}
-
+			query := urlVLess.Query()
-			query := urlVless.Query()
-
-			name := uniqueName(names, urlVless.Fragment)
 			vless := make(map[string]any, 20)
-
+			handleVShareLink(names, urlVLess, scheme, vless)
-			vless["name"] = name
+			if flow := query.Get("flow"); flow != "" {
-			vless["type"] = scheme
+				vless["flow"] = strings.ToLower(flow)
-			vless["server"] = urlVless.Hostname()
-			vless["port"] = urlVless.Port()
-			vless["uuid"] = urlVless.User.Username()
-			vless["udp"] = true
-			vless["skip-cert-verify"] = false
-			vless["tls"] = false
-			tls := strings.ToLower(query.Get("security"))
-			if strings.Contains(tls, "tls") {
-				vless["tls"] = true
 			}
-			sni := query.Get("sni")
-			if sni != "" {
-				vless["servername"] = sni
-			}
-
-			flow := strings.ToLower(query.Get("flow"))
-			if flow != "" {
-				vless["flow"] = flow
-			}
-
-			network := strings.ToLower(query.Get("type"))
-			fakeType := strings.ToLower(query.Get("headerType"))
-			if fakeType == "http" {
-				network = "http"
-			} else if network == "http" {
-				network = "h2"
-			}
-			vless["network"] = network
-			switch network {
-			case "tcp":
-				if fakeType != "none" {
-					headers := make(map[string]any)
-					httpOpts := make(map[string]any)
-					httpOpts["path"] = []string{"/"}
-
-					if query.Get("host") != "" {
-						headers["Host"] = []string{query.Get("host")}
-					}
-
-					if query.Get("method") != "" {
-						httpOpts["method"] = query.Get("method")
-					}
-
-					if query.Get("path") != "" {
-						httpOpts["path"] = []string{query.Get("path")}
-					}
-					httpOpts["headers"] = headers
-					vless["http-opts"] = httpOpts
-				}
-
-			case "http":
-				headers := make(map[string]any)
-				h2Opts := make(map[string]any)
-				h2Opts["path"] = []string{"/"}
-				if query.Get("path") != "" {
-					h2Opts["path"] = []string{query.Get("path")}
-				}
-				if query.Get("host") != "" {
-					h2Opts["host"] = []string{query.Get("host")}
-				}
-				h2Opts["headers"] = headers
-				vless["h2-opts"] = h2Opts
-
-			case "ws":
-				headers := make(map[string]any)
-				wsOpts := make(map[string]any)
-				headers["User-Agent"] = RandUserAgent()
-				headers["Host"] = query.Get("host")
-				wsOpts["path"] = query.Get("path")
-				wsOpts["headers"] = headers
-
-				vless["ws-opts"] = wsOpts
-
-			case "grpc":
-				grpcOpts := make(map[string]any)
-				grpcOpts["grpc-service-name"] = query.Get("serviceName")
-				vless["grpc-opts"] = grpcOpts
-			}
-
 			proxies = append(proxies, vless)
 
 		case "vmess":
-			dcBuf, err := encRaw.DecodeString(body)
+			// V2RayN-styled share link
+			// https://github.com/2dust/v2rayN/wiki/%E5%88%86%E4%BA%AB%E9%93%BE%E6%8E%A5%E6%A0%BC%E5%BC%8F%E8%AF%B4%E6%98%8E(ver-2)
+			dcBuf, err := tryDecodeBase64([]byte(body))
 			if err != nil {
+				// Xray VMessAEAD share link
+				urlVMess, err := url.Parse(line)
+				if err != nil {
+					continue
+				}
+				query := urlVMess.Query()
+				vmess := make(map[string]any, 20)
+				handleVShareLink(names, urlVMess, scheme, vmess)
+				vmess["alterId"] = 0
+				vmess["cipher"] = "auto"
+				if encryption := query.Get("encryption"); encryption != "" {
+					vmess["cipher"] = encryption
+				}
+				proxies = append(proxies, vmess)
 				continue
 			}
 
@@ -244,18 +163,21 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 			vmess["server"] = values["add"]
 			vmess["port"] = values["port"]
 			vmess["uuid"] = values["id"]
-			vmess["alterId"] = values["aid"]
+			if alterId, ok := values["aid"]; ok {
-			vmess["cipher"] = "auto"
+				vmess["alterId"] = alterId
+			} else {
+				vmess["alterId"] = 0
+			}
 			vmess["udp"] = true
 			vmess["tls"] = false
 			vmess["skip-cert-verify"] = false
 
-			if values["cipher"] != nil && values["cipher"] != "" {
+			vmess["cipher"] = "auto"
-				vmess["cipher"] = values["cipher"]
+			if cipher, ok := values["scy"]; ok && cipher != "" {
+				vmess["cipher"] = cipher
 			}
 
-			sni := values["sni"]
+			if sni, ok := values["sni"]; ok && sni != "" {
-			if sni != "" {
 				vmess["servername"] = sni
 			}
 
@@ -268,7 +190,7 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 			vmess["network"] = network
 
 			tls := strings.ToLower(values["tls"].(string))
-			if strings.Contains(tls, "tls") {
+			if strings.HasSuffix(tls, "tls") {
 				vmess["tls"] = true
 			}
 
@@ -276,12 +198,12 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 			case "http":
 				headers := make(map[string]any)
 				httpOpts := make(map[string]any)
-				if values["host"] != "" && values["host"] != nil {
+				if host, ok := values["host"]; ok && host != "" {
-					headers["Host"] = []string{values["host"].(string)}
+					headers["Host"] = []string{host.(string)}
 				}
 				httpOpts["path"] = []string{"/"}
-				if values["path"] != "" && values["path"] != nil {
+				if path, ok := values["path"]; ok && path != "" {
-					httpOpts["path"] = []string{values["path"].(string)}
+					httpOpts["path"] = []string{path.(string)}
 				}
 				httpOpts["headers"] = headers
 
@@ -290,8 +212,8 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 			case "h2":
 				headers := make(map[string]any)
 				h2Opts := make(map[string]any)
-				if values["host"] != "" && values["host"] != nil {
+				if host, ok := values["host"]; ok && host != "" {
-					headers["Host"] = []string{values["host"].(string)}
+					headers["Host"] = []string{host.(string)}
 				}
 
 				h2Opts["path"] = values["path"]
@@ -303,11 +225,11 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 				headers := make(map[string]any)
 				wsOpts := make(map[string]any)
 				wsOpts["path"] = []string{"/"}
-				if values["host"] != "" && values["host"] != nil {
+				if host, ok := values["host"]; ok && host != "" {
-					headers["Host"] = values["host"].(string)
+					headers["Host"] = host.(string)
 				}
-				if values["path"] != "" && values["path"] != nil {
+				if path, ok := values["path"]; ok && path != "" {
-					wsOpts["path"] = values["path"].(string)
+					wsOpts["path"] = path.(string)
 				}
 				wsOpts["headers"] = headers
 				vmess["ws-opts"] = wsOpts
@@ -444,18 +366,6 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 	return proxies, nil
 }
 
-func urlSafe(data string) string {
-	return strings.ReplaceAll(strings.ReplaceAll(data, "+", "-"), "/", "_")
-}
-
-func decodeUrlSafe(data string) string {
-	dcBuf, err := base64.RawURLEncoding.DecodeString(data)
-	if err != nil {
-		return ""
-	}
-	return string(dcBuf)
-}
-
 func uniqueName(names map[string]int, name string) string {
 	if index, ok := names[name]; ok {
 		index++

common/convert/v.go

@@ -0,0 +1,89 @@
+package convert
+
+import (
+	"net/url"
+	"strings"
+)
+
+func handleVShareLink(names map[string]int, url *url.URL, scheme string, proxy map[string]any) {
+	// Xray VMessAEAD / VLESS share link standard
+	// https://github.com/XTLS/Xray-core/discussions/716
+	query := url.Query()
+	proxy["name"] = uniqueName(names, url.Fragment)
+	proxy["type"] = scheme
+	proxy["server"] = url.Hostname()
+	proxy["port"] = url.Port()
+	proxy["uuid"] = url.User.Username()
+	proxy["udp"] = true
+	proxy["skip-cert-verify"] = false
+	proxy["tls"] = false
+	tls := strings.ToLower(query.Get("security"))
+	if strings.HasSuffix(tls, "tls") {
+		proxy["tls"] = true
+	}
+	if sni := query.Get("sni"); sni != "" {
+		proxy["servername"] = sni
+	}
+
+	network := strings.ToLower(query.Get("type"))
+	if network == "" {
+		network = "tcp"
+	}
+	fakeType := strings.ToLower(query.Get("headerType"))
+	if fakeType == "http" {
+		network = "http"
+	} else if network == "http" {
+		network = "h2"
+	}
+	proxy["network"] = network
+	switch network {
+	case "tcp":
+		if fakeType != "none" {
+			headers := make(map[string]any)
+			httpOpts := make(map[string]any)
+			httpOpts["path"] = []string{"/"}
+
+			if host := query.Get("host"); host != "" {
+				headers["Host"] = []string{host}
+			}
+
+			if method := query.Get("method"); method != "" {
+				httpOpts["method"] = method
+			}
+
+			if path := query.Get("path"); path != "" {
+				httpOpts["path"] = []string{path}
+			}
+			httpOpts["headers"] = headers
+			proxy["http-opts"] = httpOpts
+		}
+
+	case "http":
+		headers := make(map[string]any)
+		h2Opts := make(map[string]any)
+		h2Opts["path"] = []string{"/"}
+		if path := query.Get("path"); path != "" {
+			h2Opts["path"] = []string{path}
+		}
+		if host := query.Get("host"); host != "" {
+			h2Opts["host"] = []string{host}
+		}
+		h2Opts["headers"] = headers
+		proxy["h2-opts"] = h2Opts
+
+	case "ws":
+		headers := make(map[string]any)
+		wsOpts := make(map[string]any)
+		headers["User-Agent"] = RandUserAgent()
+		headers["Host"] = query.Get("host")
+		wsOpts["path"] = query.Get("path")
+		wsOpts["headers"] = headers
+
+		proxy["ws-opts"] = wsOpts
+
+	case "grpc":
+		grpcOpts := make(map[string]any)
+		grpcOpts["grpc-service-name"] = query.Get("serviceName")
+		proxy["grpc-opts"] = grpcOpts
+	}
+}

component/dialer/dialer.go

@@ -5,8 +5,10 @@ import (
 	"errors"
 	"fmt"
 	"github.com/Dreamacro/clash/component/resolver"
+	"go.uber.org/atomic"
 	"net"
 	"net/netip"
+	"strings"
 	"sync"
 )
 
@@ -16,6 +18,8 @@ var (
 	actualDualStackDialContext = dualStackDialContext
 	tcpConcurrent              = false
 	DisableIPv6                = false
+	ErrorInvalidedNetworkStack = errors.New("invalided network stack")
+	ErrorDisableIPv6           = errors.New("IPv6 is disabled, dialer cancel")
 )
 
 func DialContext(ctx context.Context, network, address string, options ...Option) (net.Conn, error) {
@@ -32,13 +36,23 @@ func DialContext(ctx context.Context, network, address string, options ...Option
 		o(opt)
 	}
 
+	if opt.network == 4 || opt.network == 6 {
+		if strings.Contains(network, "tcp") {
+			network = "tcp"
+		} else {
+			network = "udp"
+		}
+
+		network = fmt.Sprintf("%s%d", network, opt.network)
+	}
+
 	switch network {
 	case "tcp4", "tcp6", "udp4", "udp6":
 		return actualSingleDialContext(ctx, network, address, opt)
 	case "tcp", "udp":
 		return actualDualStackDialContext(ctx, network, address, opt)
 	default:
-		return nil, errors.New("network invalid")
+		return nil, ErrorInvalidedNetworkStack
 	}
 }
 
@@ -56,10 +70,6 @@ func ListenPacket(ctx context.Context, network, address string, options ...Optio
 		o(cfg)
 	}
 
-	if DisableIPv6 {
-		network = "udp4"
-	}
-
 	lc := &net.ListenConfig{}
 	if cfg.interfaceName != "" {
 		addr, err := bindIfaceToListenConfig(cfg.interfaceName, lc, network, address)
@@ -108,7 +118,7 @@ func dialContext(ctx context.Context, network string, destination netip.Addr, po
 	}
 
 	if DisableIPv6 && destination.Is6() {
-		return nil, fmt.Errorf("IPv6 is diabled, dialer cancel")
+		return nil, ErrorDisableIPv6
 	}
 
 	return dialer.DialContext(ctx, network, net.JoinHostPort(destination.String(), port))
@@ -198,7 +208,7 @@ func dualStackDialContext(ctx context.Context, network, address string, opt *opt
 		}
 	}
 
-	return nil, errors.New("never touched")
+	return nil, errors.New("dual stack tcp shake hands failed")
 }
 
 func concurrentDualStackDialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
@@ -208,13 +218,16 @@ func concurrentDualStackDialContext(ctx context.Context, network, address string
 	}
 
 	var ips []netip.Addr
-
 	if opt.direct {
 		ips, err = resolver.ResolveAllIP(host)
 	} else {
 		ips, err = resolver.ResolveAllIPProxyServerHost(host)
 	}
 
+	if err != nil {
+		return nil, err
+	}
+
 	return concurrentDialContext(ctx, network, ips, port, opt)
 }
 
@@ -226,29 +239,49 @@ func concurrentDialContext(ctx context.Context, network string, ips []netip.Addr
 		ip netip.Addr
 		net.Conn
 		error
-		resolved bool
+		isPrimary bool
+		done      bool
 	}
 
+	preferCount := atomic.NewInt32(0)
 	results := make(chan dialResult)
 	tcpRacer := func(ctx context.Context, ip netip.Addr) {
-		result := dialResult{ip: ip}
+		result := dialResult{ip: ip, done: true}
 
 		defer func() {
 			select {
 			case results <- result:
 			case <-returned:
 				if result.Conn != nil {
-					result.Conn.Close()
+					_ = result.Conn.Close()
 				}
 			}
 		}()
-
+		if strings.Contains(network, "tcp") {
-		v := "4"
+			network = "tcp"
-		if ip.Is6() {
+		} else {
-			v = "6"
+			network = "udp"
 		}
 
-		result.Conn, result.error = dialContext(ctx, network+v, ip, port, opt)
+		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 {
@@ -256,17 +289,38 @@ func concurrentDialContext(ctx context.Context, network string, ips []netip.Addr
 	}
 
 	connCount := len(ips)
+	var fallback dialResult
 	for i := 0; i < connCount; i++ {
 		select {
 		case res := <-results:
 			if res.error == nil {
-				return res.Conn, nil
+				if res.isPrimary {
+					return res.Conn, nil
+				} else {
+					if !fallback.done || fallback.error != nil {
+						fallback = res
+					}
+				}
+			} else {
+				if res.isPrimary {
+					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
+			}
 			break
 		}
 	}
 
+	if fallback.done && fallback.error == nil {
+		return fallback.Conn, nil
+	}
+
 	return nil, fmt.Errorf("all ips %v tcp shake hands failed", ips)
 }
 
@@ -299,25 +353,45 @@ func singleDialContext(ctx context.Context, network string, address string, 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
-	switch network {
+	if !opt.direct {
-	case "tcp4", "udp4":
+		ips, err = resolver.ResolveAllIPv4ProxyServerHost(host)
-		if !opt.direct {
+	} else {
-			ips, err = resolver.ResolveAllIPv4ProxyServerHost(host)
+		ips, err = resolver.ResolveAllIPv4(host)
-		} else {
+	}
-			ips, err = resolver.ResolveAllIPv4(host)
+
-		}
+	if err != nil {
-	default:
+		return nil, err
-		if !opt.direct {
+	}
-			ips, err = resolver.ResolveAllIPv6ProxyServerHost(host)
+
-		} else {
+	return concurrentDialContext(ctx, network, ips, port, opt)
-			ips, err = resolver.ResolveAllIPv6(host)
+}
-		}
+
+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.direct {
+		ips, err = resolver.ResolveAllIPv6ProxyServerHost(host)
+	} else {
+		ips, err = resolver.ResolveAllIPv6(host)
 	}
 
 	if err != nil {

component/dialer/options.go

@@ -1,6 +1,8 @@
 package dialer
 
-import "go.uber.org/atomic"
+import (
+	"go.uber.org/atomic"
+)
 
 var (
 	DefaultOptions     []Option
@@ -13,6 +15,8 @@ type option struct {
 	addrReuse     bool
 	routingMark   int
 	direct        bool
+	network       int
+	prefer        int
 }
 
 type Option func(opt *option)
@@ -40,3 +44,25 @@ func WithDirect() Option {
 		opt.direct = true
 	}
 }
+
+func WithPreferIPv4() Option {
+	return func(opt *option) {
+		opt.prefer = 4
+	}
+}
+
+func WithPreferIPv6() Option {
+	return func(opt *option) {
+		opt.prefer = 6
+	}
+}
+
+func WithOnlySingleStack(isIPv4 bool) Option {
+	return func(opt *option) {
+		if isIPv4 {
+			opt.network = 4
+		} else {
+			opt.network = 6
+		}
+	}
+}

component/ebpf/bpf/bpf_endian.h

@@ -0,0 +1,99 @@
+/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
+#ifndef __BPF_ENDIAN__
+#define __BPF_ENDIAN__
+
+/*
+ * Isolate byte #n and put it into byte #m, for __u##b type.
+ * E.g., moving byte #6 (nnnnnnnn) into byte #1 (mmmmmmmm) for __u64:
+ * 1) xxxxxxxx nnnnnnnn xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx mmmmmmmm xxxxxxxx
+ * 2) nnnnnnnn xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx mmmmmmmm xxxxxxxx 00000000
+ * 3) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 nnnnnnnn
+ * 4) 00000000 00000000 00000000 00000000 00000000 00000000 nnnnnnnn 00000000
+ */
+#define ___bpf_mvb(x, b, n, m) ((__u##b)(x) << (b-(n+1)*8) >> (b-8) << (m*8))
+
+#define ___bpf_swab16(x) ((__u16)(			\
+			  ___bpf_mvb(x, 16, 0, 1) |	\
+			  ___bpf_mvb(x, 16, 1, 0)))
+
+#define ___bpf_swab32(x) ((__u32)(			\
+			  ___bpf_mvb(x, 32, 0, 3) |	\
+			  ___bpf_mvb(x, 32, 1, 2) |	\
+			  ___bpf_mvb(x, 32, 2, 1) |	\
+			  ___bpf_mvb(x, 32, 3, 0)))
+
+#define ___bpf_swab64(x) ((__u64)(			\
+			  ___bpf_mvb(x, 64, 0, 7) |	\
+			  ___bpf_mvb(x, 64, 1, 6) |	\
+			  ___bpf_mvb(x, 64, 2, 5) |	\
+			  ___bpf_mvb(x, 64, 3, 4) |	\
+			  ___bpf_mvb(x, 64, 4, 3) |	\
+			  ___bpf_mvb(x, 64, 5, 2) |	\
+			  ___bpf_mvb(x, 64, 6, 1) |	\
+			  ___bpf_mvb(x, 64, 7, 0)))
+
+/* LLVM's BPF target selects the endianness of the CPU
+ * it compiles on, or the user specifies (bpfel/bpfeb),
+ * respectively. The used __BYTE_ORDER__ is defined by
+ * the compiler, we cannot rely on __BYTE_ORDER from
+ * libc headers, since it doesn't reflect the actual
+ * requested byte order.
+ *
+ * Note, LLVM's BPF target has different __builtin_bswapX()
+ * semantics. It does map to BPF_ALU | BPF_END | BPF_TO_BE
+ * in bpfel and bpfeb case, which means below, that we map
+ * to cpu_to_be16(). We could use it unconditionally in BPF
+ * case, but better not rely on it, so that this header here
+ * can be used from application and BPF program side, which
+ * use different targets.
+ */
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+# define __bpf_ntohs(x)			__builtin_bswap16(x)
+# define __bpf_htons(x)			__builtin_bswap16(x)
+# define __bpf_constant_ntohs(x)	___bpf_swab16(x)
+# define __bpf_constant_htons(x)	___bpf_swab16(x)
+# define __bpf_ntohl(x)			__builtin_bswap32(x)
+# define __bpf_htonl(x)			__builtin_bswap32(x)
+# define __bpf_constant_ntohl(x)	___bpf_swab32(x)
+# define __bpf_constant_htonl(x)	___bpf_swab32(x)
+# define __bpf_be64_to_cpu(x)		__builtin_bswap64(x)
+# define __bpf_cpu_to_be64(x)		__builtin_bswap64(x)
+# define __bpf_constant_be64_to_cpu(x)	___bpf_swab64(x)
+# define __bpf_constant_cpu_to_be64(x)	___bpf_swab64(x)
+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+# define __bpf_ntohs(x)			(x)
+# define __bpf_htons(x)			(x)
+# define __bpf_constant_ntohs(x)	(x)
+# define __bpf_constant_htons(x)	(x)
+# define __bpf_ntohl(x)			(x)
+# define __bpf_htonl(x)			(x)
+# define __bpf_constant_ntohl(x)	(x)
+# define __bpf_constant_htonl(x)	(x)
+# define __bpf_be64_to_cpu(x)		(x)
+# define __bpf_cpu_to_be64(x)		(x)
+# define __bpf_constant_be64_to_cpu(x)  (x)
+# define __bpf_constant_cpu_to_be64(x)  (x)
+#else
+# error "Fix your compiler's __BYTE_ORDER__?!"
+#endif
+
+#define bpf_htons(x)				\
+	(__builtin_constant_p(x) ?		\
+	 __bpf_constant_htons(x) : __bpf_htons(x))
+#define bpf_ntohs(x)				\
+	(__builtin_constant_p(x) ?		\
+	 __bpf_constant_ntohs(x) : __bpf_ntohs(x))
+#define bpf_htonl(x)				\
+	(__builtin_constant_p(x) ?		\
+	 __bpf_constant_htonl(x) : __bpf_htonl(x))
+#define bpf_ntohl(x)				\
+	(__builtin_constant_p(x) ?		\
+	 __bpf_constant_ntohl(x) : __bpf_ntohl(x))
+#define bpf_cpu_to_be64(x)			\
+	(__builtin_constant_p(x) ?		\
+	 __bpf_constant_cpu_to_be64(x) : __bpf_cpu_to_be64(x))
+#define bpf_be64_to_cpu(x)			\
+	(__builtin_constant_p(x) ?		\
+	 __bpf_constant_be64_to_cpu(x) : __bpf_be64_to_cpu(x))
+
+#endif /* __BPF_ENDIAN__ */

component/ebpf/bpf/bpf_helpers.h

@@ -0,0 +1,262 @@
+/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
+#ifndef __BPF_HELPERS__
+#define __BPF_HELPERS__
+
+/*
+ * Note that bpf programs need to include either
+ * vmlinux.h (auto-generated from BTF) or linux/types.h
+ * in advance since bpf_helper_defs.h uses such types
+ * as __u64.
+ */
+#include "bpf_helper_defs.h"
+
+#define __uint(name, val) int (*name)[val]
+#define __type(name, val) typeof(val) *name
+#define __array(name, val) typeof(val) *name[]
+
+/*
+ * Helper macro to place programs, maps, license in
+ * different sections in elf_bpf file. Section names
+ * are interpreted by libbpf depending on the context (BPF programs, BPF maps,
+ * extern variables, etc).
+ * To allow use of SEC() with externs (e.g., for extern .maps declarations),
+ * make sure __attribute__((unused)) doesn't trigger compilation warning.
+ */
+#define SEC(name) \
+	_Pragma("GCC diagnostic push")					    \
+	_Pragma("GCC diagnostic ignored \"-Wignored-attributes\"")	    \
+	__attribute__((section(name), used))				    \
+	_Pragma("GCC diagnostic pop")					    \
+
+/* Avoid 'linux/stddef.h' definition of '__always_inline'. */
+#undef __always_inline
+#define __always_inline inline __attribute__((always_inline))
+
+#ifndef __noinline
+#define __noinline __attribute__((noinline))
+#endif
+#ifndef __weak
+#define __weak __attribute__((weak))
+#endif
+
+/*
+ * Use __hidden attribute to mark a non-static BPF subprogram effectively
+ * static for BPF verifier's verification algorithm purposes, allowing more
+ * extensive and permissive BPF verification process, taking into account
+ * subprogram's caller context.
+ */
+#define __hidden __attribute__((visibility("hidden")))
+
+/* When utilizing vmlinux.h with BPF CO-RE, user BPF programs can't include
+ * any system-level headers (such as stddef.h, linux/version.h, etc), and
+ * commonly-used macros like NULL and KERNEL_VERSION aren't available through
+ * vmlinux.h. This just adds unnecessary hurdles and forces users to re-define
+ * them on their own. So as a convenience, provide such definitions here.
+ */
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
+#ifndef KERNEL_VERSION
+#define KERNEL_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + ((c) > 255 ? 255 : (c)))
+#endif
+
+/*
+ * Helper macros to manipulate data structures
+ */
+#ifndef offsetof
+#define offsetof(TYPE, MEMBER)	((unsigned long)&((TYPE *)0)->MEMBER)
+#endif
+#ifndef container_of
+#define container_of(ptr, type, member)				\
+	({							\
+		void *__mptr = (void *)(ptr);			\
+		((type *)(__mptr - offsetof(type, member)));	\
+	})
+#endif
+
+/*
+ * Helper macro to throw a compilation error if __bpf_unreachable() gets
+ * built into the resulting code. This works given BPF back end does not
+ * implement __builtin_trap(). This is useful to assert that certain paths
+ * of the program code are never used and hence eliminated by the compiler.
+ *
+ * For example, consider a switch statement that covers known cases used by
+ * the program. __bpf_unreachable() can then reside in the default case. If
+ * the program gets extended such that a case is not covered in the switch
+ * statement, then it will throw a build error due to the default case not
+ * being compiled out.
+ */
+#ifndef __bpf_unreachable
+# define __bpf_unreachable()	__builtin_trap()
+#endif
+
+/*
+ * Helper function to perform a tail call with a constant/immediate map slot.
+ */
+#if __clang_major__ >= 8 && defined(__bpf__)
+static __always_inline void
+bpf_tail_call_static(void *ctx, const void *map, const __u32 slot)
+{
+	if (!__builtin_constant_p(slot))
+		__bpf_unreachable();
+
+	/*
+	 * Provide a hard guarantee that LLVM won't optimize setting r2 (map
+	 * pointer) and r3 (constant map index) from _different paths_ ending
+	 * up at the _same_ call insn as otherwise we won't be able to use the
+	 * jmpq/nopl retpoline-free patching by the x86-64 JIT in the kernel
+	 * given they mismatch. See also d2e4c1e6c294 ("bpf: Constant map key
+	 * tracking for prog array pokes") for details on verifier tracking.
+	 *
+	 * Note on clobber list: we need to stay in-line with BPF calling
+	 * convention, so even if we don't end up using r0, r4, r5, we need
+	 * to mark them as clobber so that LLVM doesn't end up using them
+	 * before / after the call.
+	 */
+	asm volatile("r1 = %[ctx]\n\t"
+		     "r2 = %[map]\n\t"
+		     "r3 = %[slot]\n\t"
+		     "call 12"
+		     :: [ctx]"r"(ctx), [map]"r"(map), [slot]"i"(slot)
+		     : "r0", "r1", "r2", "r3", "r4", "r5");
+}
+#endif
+
+/*
+ * Helper structure used by eBPF C program
+ * to describe BPF map attributes to libbpf loader
+ */
+struct bpf_map_def {
+	unsigned int type;
+	unsigned int key_size;
+	unsigned int value_size;
+	unsigned int max_entries;
+	unsigned int map_flags;
+};
+
+enum libbpf_pin_type {
+	LIBBPF_PIN_NONE,
+	/* PIN_BY_NAME: pin maps by name (in /sys/fs/bpf by default) */
+	LIBBPF_PIN_BY_NAME,
+};
+
+enum libbpf_tristate {
+	TRI_NO = 0,
+	TRI_YES = 1,
+	TRI_MODULE = 2,
+};
+
+#define __kconfig __attribute__((section(".kconfig")))
+#define __ksym __attribute__((section(".ksyms")))
+
+#ifndef ___bpf_concat
+#define ___bpf_concat(a, b) a ## b
+#endif
+#ifndef ___bpf_apply
+#define ___bpf_apply(fn, n) ___bpf_concat(fn, n)
+#endif
+#ifndef ___bpf_nth
+#define ___bpf_nth(_, _1, _2, _3, _4, _5, _6, _7, _8, _9, _a, _b, _c, N, ...) N
+#endif
+#ifndef ___bpf_narg
+#define ___bpf_narg(...) \
+	___bpf_nth(_, ##__VA_ARGS__, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
+#endif
+
+#define ___bpf_fill0(arr, p, x) do {} while (0)
+#define ___bpf_fill1(arr, p, x) arr[p] = x
+#define ___bpf_fill2(arr, p, x, args...) arr[p] = x; ___bpf_fill1(arr, p + 1, args)
+#define ___bpf_fill3(arr, p, x, args...) arr[p] = x; ___bpf_fill2(arr, p + 1, args)
+#define ___bpf_fill4(arr, p, x, args...) arr[p] = x; ___bpf_fill3(arr, p + 1, args)
+#define ___bpf_fill5(arr, p, x, args...) arr[p] = x; ___bpf_fill4(arr, p + 1, args)
+#define ___bpf_fill6(arr, p, x, args...) arr[p] = x; ___bpf_fill5(arr, p + 1, args)
+#define ___bpf_fill7(arr, p, x, args...) arr[p] = x; ___bpf_fill6(arr, p + 1, args)
+#define ___bpf_fill8(arr, p, x, args...) arr[p] = x; ___bpf_fill7(arr, p + 1, args)
+#define ___bpf_fill9(arr, p, x, args...) arr[p] = x; ___bpf_fill8(arr, p + 1, args)
+#define ___bpf_fill10(arr, p, x, args...) arr[p] = x; ___bpf_fill9(arr, p + 1, args)
+#define ___bpf_fill11(arr, p, x, args...) arr[p] = x; ___bpf_fill10(arr, p + 1, args)
+#define ___bpf_fill12(arr, p, x, args...) arr[p] = x; ___bpf_fill11(arr, p + 1, args)
+#define ___bpf_fill(arr, args...) \
+	___bpf_apply(___bpf_fill, ___bpf_narg(args))(arr, 0, args)
+
+/*
+ * BPF_SEQ_PRINTF to wrap bpf_seq_printf to-be-printed values
+ * in a structure.
+ */
+#define BPF_SEQ_PRINTF(seq, fmt, args...)			\
+({								\
+	static const char ___fmt[] = fmt;			\
+	unsigned long long ___param[___bpf_narg(args)];		\
+								\
+	_Pragma("GCC diagnostic push")				\
+	_Pragma("GCC diagnostic ignored \"-Wint-conversion\"")	\
+	___bpf_fill(___param, args);				\
+	_Pragma("GCC diagnostic pop")				\
+								\
+	bpf_seq_printf(seq, ___fmt, sizeof(___fmt),		\
+		       ___param, sizeof(___param));		\
+})
+
+/*
+ * BPF_SNPRINTF wraps the bpf_snprintf helper with variadic arguments instead of
+ * an array of u64.
+ */
+#define BPF_SNPRINTF(out, out_size, fmt, args...)		\
+({								\
+	static const char ___fmt[] = fmt;			\
+	unsigned long long ___param[___bpf_narg(args)];		\
+								\
+	_Pragma("GCC diagnostic push")				\
+	_Pragma("GCC diagnostic ignored \"-Wint-conversion\"")	\
+	___bpf_fill(___param, args);				\
+	_Pragma("GCC diagnostic pop")				\
+								\
+	bpf_snprintf(out, out_size, ___fmt,			\
+		     ___param, sizeof(___param));		\
+})
+
+#ifdef BPF_NO_GLOBAL_DATA
+#define BPF_PRINTK_FMT_MOD
+#else
+#define BPF_PRINTK_FMT_MOD static const
+#endif
+
+#define __bpf_printk(fmt, ...)				\
+({							\
+	BPF_PRINTK_FMT_MOD char ____fmt[] = fmt;	\
+	bpf_trace_printk(____fmt, sizeof(____fmt),	\
+			 ##__VA_ARGS__);		\
+})
+
+/*
+ * __bpf_vprintk wraps the bpf_trace_vprintk helper with variadic arguments
+ * instead of an array of u64.
+ */
+#define __bpf_vprintk(fmt, args...)				\
+({								\
+	static const char ___fmt[] = fmt;			\
+	unsigned long long ___param[___bpf_narg(args)];		\
+								\
+	_Pragma("GCC diagnostic push")				\
+	_Pragma("GCC diagnostic ignored \"-Wint-conversion\"")	\
+	___bpf_fill(___param, args);				\
+	_Pragma("GCC diagnostic pop")				\
+								\
+	bpf_trace_vprintk(___fmt, sizeof(___fmt),		\
+			  ___param, sizeof(___param));		\
+})
+
+/* Use __bpf_printk when bpf_printk call has 3 or fewer fmt args
+ * Otherwise use __bpf_vprintk
+ */
+#define ___bpf_pick_printk(...) \
+	___bpf_nth(_, ##__VA_ARGS__, __bpf_vprintk, __bpf_vprintk, __bpf_vprintk,	\
+		   __bpf_vprintk, __bpf_vprintk, __bpf_vprintk, __bpf_vprintk,		\
+		   __bpf_vprintk, __bpf_vprintk, __bpf_printk /*3*/, __bpf_printk /*2*/,\
+		   __bpf_printk /*1*/, __bpf_printk /*0*/)
+
+/* Helper macro to print out debug messages */
+#define bpf_printk(fmt, args...) ___bpf_pick_printk(args)(fmt, ##args)
+
+#endif

component/ebpf/bpf/redir.c

@@ -0,0 +1,342 @@
+#include <stdint.h>
+#include <stdbool.h>
+//#include <linux/types.h>
+
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+//#include <linux/if_packet.h>
+//#include <linux/if_vlan.h>
+#include <linux/ip.h>
+#include <linux/in.h>
+#include <linux/tcp.h>
+//#include <linux/udp.h>
+
+#include <linux/pkt_cls.h>
+
+#include "bpf_endian.h"
+#include "bpf_helpers.h"
+
+#define IP_CSUM_OFF (ETH_HLEN + offsetof(struct iphdr, check))
+#define IP_DST_OFF (ETH_HLEN + offsetof(struct iphdr, daddr))
+#define IP_SRC_OFF (ETH_HLEN + offsetof(struct iphdr, saddr))
+#define IP_PROTO_OFF (ETH_HLEN + offsetof(struct iphdr, protocol))
+#define TCP_CSUM_OFF (ETH_HLEN + sizeof(struct iphdr) + offsetof(struct tcphdr, check))
+#define TCP_SRC_OFF (ETH_HLEN + sizeof(struct iphdr) + offsetof(struct tcphdr, source))
+#define TCP_DST_OFF (ETH_HLEN + sizeof(struct iphdr) + offsetof(struct tcphdr, dest))
+//#define UDP_CSUM_OFF (ETH_HLEN + sizeof(struct iphdr) + offsetof(struct udphdr, check))
+//#define UDP_SRC_OFF (ETH_HLEN + sizeof(struct iphdr) + offsetof(struct udphdr, source))
+//#define UDP_DST_OFF (ETH_HLEN + sizeof(struct iphdr) + offsetof(struct udphdr, dest))
+#define IS_PSEUDO 0x10
+
+struct origin_info {
+    __be32 ip;
+    __be16 port;
+    __u16  pad;
+};
+
+struct origin_info *origin_info_unused __attribute__((unused));
+
+struct redir_info {
+    __be32 sip;
+    __be32 dip;
+    __be16 sport;
+    __be16 dport;
+};
+
+struct redir_info *redir_info_unused __attribute__((unused));
+
+struct {
+    __uint(type, BPF_MAP_TYPE_LRU_HASH);
+    __type(key, struct redir_info);
+    __type(value, struct origin_info);
+    __uint(max_entries, 65535);
+    __uint(pinning, LIBBPF_PIN_BY_NAME);
+} pair_original_dst_map SEC(".maps");
+
+struct {
+    __uint(type, BPF_MAP_TYPE_ARRAY);
+    __type(key, __u32);
+    __type(value, __u32);
+    __uint(max_entries, 3);
+    __uint(pinning, LIBBPF_PIN_BY_NAME);
+} redir_params_map SEC(".maps");
+
+static __always_inline int rewrite_ip(struct __sk_buff *skb, __be32 new_ip, bool is_dest) {
+    int ret, off = 0, flags = IS_PSEUDO;
+    __be32 old_ip;
+
+    if (is_dest)
+        ret = bpf_skb_load_bytes(skb, IP_DST_OFF, &old_ip, 4);
+    else
+        ret = bpf_skb_load_bytes(skb, IP_SRC_OFF, &old_ip, 4);
+
+    if (ret < 0) {
+        return ret;
+    }
+
+    off = TCP_CSUM_OFF;
+//    __u8 proto;
+//
+//    ret = bpf_skb_load_bytes(skb, IP_PROTO_OFF, &proto, 1);
+//    if (ret < 0) {
+//        return BPF_DROP;
+//    }
+//
+//    switch (proto) {
+//    case IPPROTO_TCP:
+//        off = TCP_CSUM_OFF;
+//        break;
+//
+//    case IPPROTO_UDP:
+//        off = UDP_CSUM_OFF;
+//        flags |= BPF_F_MARK_MANGLED_0;
+//        break;
+//
+//    case IPPROTO_ICMPV6:
+//        off = offsetof(struct icmp6hdr, icmp6_cksum);
+//        break;
+//    }
+//
+//    if (off) {
+    ret = bpf_l4_csum_replace(skb, off, old_ip, new_ip, flags | sizeof(new_ip));
+    if (ret < 0) {
+        return ret;
+    }
+//    }
+
+    ret = bpf_l3_csum_replace(skb, IP_CSUM_OFF, old_ip, new_ip, sizeof(new_ip));
+    if (ret < 0) {
+        return ret;
+    }
+
+    if (is_dest)
+        ret = bpf_skb_store_bytes(skb, IP_DST_OFF, &new_ip, sizeof(new_ip), 0);
+    else
+        ret = bpf_skb_store_bytes(skb, IP_SRC_OFF, &new_ip, sizeof(new_ip), 0);
+
+    if (ret < 0) {
+        return ret;
+    }
+
+    return 1;
+}
+
+static __always_inline int rewrite_port(struct __sk_buff *skb, __be16 new_port, bool is_dest) {
+    int ret, off = 0;
+    __be16 old_port;
+
+    if (is_dest)
+        ret = bpf_skb_load_bytes(skb, TCP_DST_OFF, &old_port, 2);
+    else
+        ret = bpf_skb_load_bytes(skb, TCP_SRC_OFF, &old_port, 2);
+
+    if (ret < 0) {
+        return ret;
+    }
+
+    off = TCP_CSUM_OFF;
+
+    ret = bpf_l4_csum_replace(skb, off, old_port, new_port, sizeof(new_port));
+    if (ret < 0) {
+        return ret;
+    }
+
+    if (is_dest)
+        ret = bpf_skb_store_bytes(skb, TCP_DST_OFF, &new_port, sizeof(new_port), 0);
+    else
+        ret = bpf_skb_store_bytes(skb, TCP_SRC_OFF, &new_port, sizeof(new_port), 0);
+
+    if (ret < 0) {
+        return ret;
+    }
+
+    return 1;
+}
+
+static __always_inline bool is_lan_ip(__be32 addr) {
+    if (addr == 0xffffffff)
+        return true;
+
+    __u8 fist = (__u8)(addr & 0xff);
+
+    if (fist == 127 || fist == 10)
+        return true;
+
+    __u8 second = (__u8)((addr >> 8) & 0xff);
+
+    if (fist == 172 && second >= 16 && second <= 31)
+        return true;
+
+    if (fist == 192 && second == 168)
+        return true;
+
+    return false;
+}
+
+SEC("tc_clash_auto_redir_ingress")
+int tc_redir_ingress_func(struct __sk_buff *skb) {
+    void *data          = (void *)(long)skb->data;
+    void *data_end      = (void *)(long)skb->data_end;
+    struct ethhdr *eth  = data;
+
+    if ((void *)(eth + 1) > data_end)
+        return TC_ACT_OK;
+
+    if (eth->h_proto != bpf_htons(ETH_P_IP))
+        return TC_ACT_OK;
+
+    struct iphdr *iph = (struct iphdr *)(eth + 1);
+    if ((void *)(iph + 1) > data_end)
+        return TC_ACT_OK;
+
+    __u32 key = 0, *route_index, *redir_ip, *redir_port;
+
+    route_index = bpf_map_lookup_elem(&redir_params_map, &key);
+    if (!route_index)
+        return TC_ACT_OK;
+
+    if (iph->protocol == IPPROTO_ICMP && *route_index != 0)
+        return bpf_redirect(*route_index, 0);
+
+    if (iph->protocol != IPPROTO_TCP)
+        return TC_ACT_OK;
+
+    struct tcphdr *tcph = (struct tcphdr *)(iph + 1);
+    if ((void *)(tcph + 1) > data_end)
+        return TC_ACT_SHOT;
+
+    key = 1;
+    redir_ip = bpf_map_lookup_elem(&redir_params_map, &key);
+    if (!redir_ip)
+        return TC_ACT_OK;
+
+    key = 2;
+    redir_port = bpf_map_lookup_elem(&redir_params_map, &key);
+    if (!redir_port)
+        return TC_ACT_OK;
+
+    __be32 new_ip   = bpf_htonl(*redir_ip);
+    __be16 new_port = bpf_htonl(*redir_port) >> 16;
+    __be32 old_ip   = iph->daddr;
+    __be16 old_port = tcph->dest;
+
+    if (old_ip == new_ip || is_lan_ip(old_ip) || bpf_ntohs(old_port) == 53) {
+        return TC_ACT_OK;
+    }
+
+    struct redir_info p_key = {
+        .sip = iph->saddr,
+        .sport = tcph->source,
+        .dip = new_ip,
+        .dport = new_port,
+    };
+
+    if (tcph->syn && !tcph->ack) {
+        struct origin_info origin = {
+            .ip = old_ip,
+            .port = old_port,
+        };
+
+        bpf_map_update_elem(&pair_original_dst_map, &p_key, &origin, BPF_NOEXIST);
+
+        if (rewrite_ip(skb, new_ip, true) < 0) {
+            return TC_ACT_SHOT;
+        }
+
+        if (rewrite_port(skb, new_port, true) < 0) {
+            return TC_ACT_SHOT;
+        }
+    } else {
+        struct origin_info *origin = bpf_map_lookup_elem(&pair_original_dst_map, &p_key);
+        if (!origin) {
+            return TC_ACT_OK;
+        }
+
+        if (rewrite_ip(skb, new_ip, true) < 0) {
+            return TC_ACT_SHOT;
+        }
+
+        if (rewrite_port(skb, new_port, true) < 0) {
+            return TC_ACT_SHOT;
+        }
+    }
+
+    return TC_ACT_OK;
+}
+
+SEC("tc_clash_auto_redir_egress")
+int tc_redir_egress_func(struct __sk_buff *skb) {
+    void *data          = (void *)(long)skb->data;
+    void *data_end      = (void *)(long)skb->data_end;
+    struct ethhdr *eth  = data;
+
+    if ((void *)(eth + 1) > data_end)
+        return TC_ACT_OK;
+
+    if (eth->h_proto != bpf_htons(ETH_P_IP))
+        return TC_ACT_OK;
+
+    __u32 key = 0, *redir_ip, *redir_port; // *clash_mark
+
+//    clash_mark = bpf_map_lookup_elem(&redir_params_map, &key);
+//    if (clash_mark && *clash_mark != 0 && *clash_mark == skb->mark)
+//        return TC_ACT_OK;
+
+    struct iphdr *iph = (struct iphdr *)(eth + 1);
+    if ((void *)(iph + 1) > data_end)
+        return TC_ACT_OK;
+
+    if (iph->protocol != IPPROTO_TCP)
+        return TC_ACT_OK;
+
+    struct tcphdr *tcph = (struct tcphdr *)(iph + 1);
+    if ((void *)(tcph + 1) > data_end)
+        return TC_ACT_SHOT;
+
+    key = 1;
+    redir_ip = bpf_map_lookup_elem(&redir_params_map, &key);
+    if (!redir_ip)
+        return TC_ACT_OK;
+
+    key = 2;
+    redir_port = bpf_map_lookup_elem(&redir_params_map, &key);
+    if (!redir_port)
+        return TC_ACT_OK;
+
+    __be32 new_ip   = bpf_htonl(*redir_ip);
+    __be16 new_port = bpf_htonl(*redir_port) >> 16;
+    __be32 old_ip   = iph->saddr;
+    __be16 old_port = tcph->source;
+
+    if (old_ip != new_ip || old_port != new_port) {
+        return TC_ACT_OK;
+    }
+
+    struct redir_info p_key = {
+        .sip = iph->daddr,
+        .sport = tcph->dest,
+        .dip = iph->saddr,
+        .dport = tcph->source,
+    };
+
+    struct origin_info *origin = bpf_map_lookup_elem(&pair_original_dst_map, &p_key);
+    if (!origin) {
+        return TC_ACT_OK;
+    }
+
+    if (tcph->fin && tcph->ack) {
+        bpf_map_delete_elem(&pair_original_dst_map, &p_key);
+    }
+
+    if (rewrite_ip(skb, origin->ip, false) < 0) {
+        return TC_ACT_SHOT;
+    }
+
+    if (rewrite_port(skb, origin->port, false) < 0) {
+        return TC_ACT_SHOT;
+    }
+
+    return TC_ACT_OK;
+}
+
+char _license[] SEC("license") = "GPL";

component/ebpf/bpf/tc.c

@@ -0,0 +1,103 @@
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/ip.h>
+#include <linux/in.h>
+//#include <linux/tcp.h>
+//#include <linux/udp.h>
+#include <linux/pkt_cls.h>
+
+#include "bpf_endian.h"
+#include "bpf_helpers.h"
+
+struct {
+    __uint(type, BPF_MAP_TYPE_ARRAY);
+    __type(key, __u32);
+    __type(value, __u32);
+    __uint(max_entries, 2);
+    __uint(pinning, LIBBPF_PIN_BY_NAME);
+} tc_params_map SEC(".maps");
+
+static __always_inline bool is_lan_ip(__be32 addr) {
+    if (addr == 0xffffffff)
+        return true;
+
+    __u8 fist = (__u8)(addr & 0xff);
+
+    if (fist == 127 || fist == 10)
+        return true;
+
+    __u8 second = (__u8)((addr >> 8) & 0xff);
+
+    if (fist == 172 && second >= 16 && second <= 31)
+        return true;
+
+    if (fist == 192 && second == 168)
+        return true;
+
+    return false;
+}
+
+SEC("tc_clash_redirect_to_tun")
+int tc_tun_func(struct __sk_buff *skb) {
+    void *data          = (void *)(long)skb->data;
+    void *data_end      = (void *)(long)skb->data_end;
+    struct ethhdr *eth  = data;
+
+    if ((void *)(eth + 1) > data_end)
+        return TC_ACT_OK;
+
+    if (eth->h_proto == bpf_htons(ETH_P_ARP))
+        return TC_ACT_OK;
+
+    __u32 key = 0, *clash_mark, *tun_ifindex;
+
+    clash_mark = bpf_map_lookup_elem(&tc_params_map, &key);
+    if (!clash_mark)
+        return TC_ACT_OK;
+
+    if (skb->mark == *clash_mark)
+        return TC_ACT_OK;
+
+    if (eth->h_proto == bpf_htons(ETH_P_IP)) {
+        struct iphdr *iph = (struct iphdr *)(eth + 1);
+        if ((void *)(iph + 1) > data_end)
+            return TC_ACT_OK;
+
+        if (iph->protocol == IPPROTO_ICMP)
+            return TC_ACT_OK;
+
+        __be32 daddr = iph->daddr;
+
+        if (is_lan_ip(daddr))
+            return TC_ACT_OK;
+
+//        if (iph->protocol == IPPROTO_TCP) {
+//            struct tcphdr *tcph = (struct tcphdr *)(iph + 1);
+//            if ((void *)(tcph + 1) > data_end)
+//                return TC_ACT_OK;
+//
+//            __u16 source = bpf_ntohs(tcph->source);
+//            if (source == 22 || source == 80 || source == 443 || source == 8080 || source == 8443 || source == 9090 || (source >= 7890 && source <= 7895))
+//                return TC_ACT_OK;
+//        } else if (iph->protocol == IPPROTO_UDP) {
+//            struct udphdr *udph = (struct udphdr *)(iph + 1);
+//            if ((void *)(udph + 1) > data_end)
+//                return TC_ACT_OK;
+//
+//            __u16 source = bpf_ntohs(udph->source);
+//            if (source == 53 || (source >= 135 && source <= 139))
+//                return TC_ACT_OK;
+//        }
+    }
+
+    key = 1;
+    tun_ifindex = bpf_map_lookup_elem(&tc_params_map, &key);
+    if (!tun_ifindex)
+        return TC_ACT_OK;
+
+    //return bpf_redirect(*tun_ifindex, BPF_F_INGRESS); // __bpf_rx_skb
+    return bpf_redirect(*tun_ifindex, 0); // __bpf_tx_skb / __dev_xmit_skb
+}
+
+char _license[] SEC("license") = "GPL";

component/ebpf/byteorder/byteorder.go

@@ -0,0 +1,13 @@
+package byteorder
+
+import (
+	"net"
+)
+
+// NetIPv4ToHost32 converts an net.IP to a uint32 in host byte order. ip
+// must be a IPv4 address, otherwise the function will panic.
+func NetIPv4ToHost32(ip net.IP) uint32 {
+	ipv4 := ip.To4()
+	_ = ipv4[3] // Assert length of ipv4.
+	return Native.Uint32(ipv4)
+}

component/ebpf/byteorder/byteorder_bigendian.go

@@ -0,0 +1,12 @@
+//go:build arm64be || armbe || mips || mips64 || mips64p32 || ppc64 || s390 || s390x || sparc || sparc64
+
+package byteorder
+
+import "encoding/binary"
+
+var Native binary.ByteOrder = binary.BigEndian
+
+func HostToNetwork16(u uint16) uint16 { return u }
+func HostToNetwork32(u uint32) uint32 { return u }
+func NetworkToHost16(u uint16) uint16 { return u }
+func NetworkToHost32(u uint32) uint32 { return u }

component/ebpf/byteorder/byteorder_littleendian.go

@@ -0,0 +1,15 @@
+//go:build 386 || amd64 || amd64p32 || arm || arm64 || mips64le || mips64p32le || mipsle || ppc64le || riscv64
+
+package byteorder
+
+import (
+	"encoding/binary"
+	"math/bits"
+)
+
+var Native binary.ByteOrder = binary.LittleEndian
+
+func HostToNetwork16(u uint16) uint16 { return bits.ReverseBytes16(u) }
+func HostToNetwork32(u uint32) uint32 { return bits.ReverseBytes32(u) }
+func NetworkToHost16(u uint16) uint16 { return bits.ReverseBytes16(u) }
+func NetworkToHost32(u uint32) uint32 { return bits.ReverseBytes32(u) }

component/ebpf/ebpf.go

@@ -0,0 +1,33 @@
+package ebpf
+
+import (
+	"net/netip"
+
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/transport/socks5"
+)
+
+type TcEBpfProgram struct {
+	pros    []C.EBpf
+	rawNICs []string
+}
+
+func (t *TcEBpfProgram) RawNICs() []string {
+	return t.rawNICs
+}
+
+func (t *TcEBpfProgram) Close() {
+	for _, p := range t.pros {
+		p.Close()
+	}
+}
+
+func (t *TcEBpfProgram) Lookup(srcAddrPort netip.AddrPort) (addr socks5.Addr, err error) {
+	for _, p := range t.pros {
+		addr, err = p.Lookup(srcAddrPort)
+		if err == nil {
+			return
+		}
+	}
+	return
+}

component/ebpf/ebpf_linux.go

@@ -0,0 +1,114 @@
+//go:build !android
+
+package ebpf
+
+import (
+	"fmt"
+	"net/netip"
+
+	"github.com/vishvananda/netlink"
+
+	"github.com/Dreamacro/clash/common/cmd"
+	"github.com/Dreamacro/clash/component/dialer"
+	"github.com/Dreamacro/clash/component/ebpf/redir"
+	"github.com/Dreamacro/clash/component/ebpf/tc"
+	C "github.com/Dreamacro/clash/constant"
+)
+
+// NewTcEBpfProgram new redirect to tun ebpf program
+func NewTcEBpfProgram(ifaceNames []string, tunName string) (*TcEBpfProgram, error) {
+	tunIface, err := netlink.LinkByName(tunName)
+	if err != nil {
+		return nil, fmt.Errorf("lookup network iface %q: %w", tunName, err)
+	}
+
+	tunIndex := uint32(tunIface.Attrs().Index)
+
+	dialer.DefaultRoutingMark.Store(C.ClashTrafficMark)
+
+	ifMark := uint32(dialer.DefaultRoutingMark.Load())
+
+	var pros []C.EBpf
+	for _, ifaceName := range ifaceNames {
+		iface, err := netlink.LinkByName(ifaceName)
+		if err != nil {
+			return nil, fmt.Errorf("lookup network iface %q: %w", ifaceName, err)
+		}
+		if iface.Attrs().OperState != netlink.OperUp {
+			return nil, fmt.Errorf("network iface %q is down", ifaceName)
+		}
+
+		attrs := iface.Attrs()
+		index := attrs.Index
+
+		tcPro := tc.NewEBpfTc(ifaceName, index, ifMark, tunIndex)
+		if err = tcPro.Start(); err != nil {
+			return nil, err
+		}
+
+		pros = append(pros, tcPro)
+	}
+
+	systemSetting(ifaceNames...)
+
+	return &TcEBpfProgram{pros: pros, rawNICs: ifaceNames}, nil
+}
+
+// NewRedirEBpfProgram new auto redirect ebpf program
+func NewRedirEBpfProgram(ifaceNames []string, redirPort uint16, defaultRouteInterfaceName string) (*TcEBpfProgram, error) {
+	defaultRouteInterface, err := netlink.LinkByName(defaultRouteInterfaceName)
+	if err != nil {
+		return nil, fmt.Errorf("lookup network iface %q: %w", defaultRouteInterfaceName, err)
+	}
+
+	defaultRouteIndex := uint32(defaultRouteInterface.Attrs().Index)
+
+	var pros []C.EBpf
+	for _, ifaceName := range ifaceNames {
+		iface, err := netlink.LinkByName(ifaceName)
+		if err != nil {
+			return nil, fmt.Errorf("lookup network iface %q: %w", ifaceName, err)
+		}
+
+		attrs := iface.Attrs()
+		index := attrs.Index
+
+		addrs, err := netlink.AddrList(iface, netlink.FAMILY_V4)
+		if err != nil {
+			return nil, fmt.Errorf("lookup network iface %q address: %w", ifaceName, err)
+		}
+
+		if len(addrs) == 0 {
+			return nil, fmt.Errorf("network iface %q does not contain any ipv4 addresses", ifaceName)
+		}
+
+		address, _ := netip.AddrFromSlice(addrs[0].IP)
+		redirAddrPort := netip.AddrPortFrom(address, redirPort)
+
+		redirPro := redir.NewEBpfRedirect(ifaceName, index, 0, defaultRouteIndex, redirAddrPort)
+		if err = redirPro.Start(); err != nil {
+			return nil, err
+		}
+
+		pros = append(pros, redirPro)
+	}
+
+	systemSetting(ifaceNames...)
+
+	return &TcEBpfProgram{pros: pros, rawNICs: ifaceNames}, nil
+}
+
+func systemSetting(ifaceNames ...string) {
+	_, _ = cmd.ExecCmd("sysctl -w net.ipv4.ip_forward=1")
+	_, _ = cmd.ExecCmd("sysctl -w net.ipv4.conf.all.forwarding=1")
+	_, _ = cmd.ExecCmd("sysctl -w net.ipv4.conf.all.accept_local=1")
+	_, _ = cmd.ExecCmd("sysctl -w net.ipv4.conf.all.accept_redirects=1")
+	_, _ = cmd.ExecCmd("sysctl -w net.ipv4.conf.all.rp_filter=0")
+
+	for _, ifaceName := range ifaceNames {
+		_, _ = cmd.ExecCmd(fmt.Sprintf("sysctl -w net.ipv4.conf.%s.forwarding=1", ifaceName))
+		_, _ = cmd.ExecCmd(fmt.Sprintf("sysctl -w net.ipv4.conf.%s.accept_local=1", ifaceName))
+		_, _ = cmd.ExecCmd(fmt.Sprintf("sysctl -w net.ipv4.conf.%s.accept_redirects=1", ifaceName))
+		_, _ = cmd.ExecCmd(fmt.Sprintf("sysctl -w net.ipv4.conf.%s.rp_filter=0", ifaceName))
+	}
+}

component/ebpf/ebpf_others.go

@@ -0,0 +1,17 @@
+//go:build !linux || android
+
+package ebpf
+
+import (
+	"fmt"
+)
+
+// NewTcEBpfProgram new ebpf tc program
+func NewTcEBpfProgram(_ []string, _ string) (*TcEBpfProgram, error) {
+	return nil, fmt.Errorf("system not supported")
+}
+
+// NewRedirEBpfProgram new ebpf redirect program
+func NewRedirEBpfProgram(_ []string, _ uint16, _ string) (*TcEBpfProgram, error) {
+	return nil, fmt.Errorf("system not supported")
+}

component/ebpf/redir/auto_redirect.go

@@ -0,0 +1,216 @@
+//go:build linux
+
+package redir
+
+import (
+	"encoding/binary"
+	"fmt"
+	"io"
+	"net"
+	"net/netip"
+	"os"
+	"path/filepath"
+
+	"github.com/cilium/ebpf"
+	"github.com/cilium/ebpf/rlimit"
+	"github.com/vishvananda/netlink"
+	"golang.org/x/sys/unix"
+
+	"github.com/Dreamacro/clash/component/ebpf/byteorder"
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/transport/socks5"
+)
+
+//go:generate go run github.com/cilium/ebpf/cmd/bpf2go -cc $BPF_CLANG -cflags $BPF_CFLAGS bpf ../bpf/redir.c
+
+const (
+	mapKey1 uint32 = 0
+	mapKey2 uint32 = 1
+	mapKey3 uint32 = 2
+)
+
+type EBpfRedirect struct {
+	objs         io.Closer
+	originMap    *ebpf.Map
+	qdisc        netlink.Qdisc
+	filter       netlink.Filter
+	filterEgress netlink.Filter
+
+	ifName    string
+	ifIndex   int
+	ifMark    uint32
+	rtIndex   uint32
+	redirIp   uint32
+	redirPort uint16
+
+	bpfPath string
+}
+
+func NewEBpfRedirect(ifName string, ifIndex int, ifMark uint32, routeIndex uint32, redirAddrPort netip.AddrPort) *EBpfRedirect {
+	return &EBpfRedirect{
+		ifName:    ifName,
+		ifIndex:   ifIndex,
+		ifMark:    ifMark,
+		rtIndex:   routeIndex,
+		redirIp:   binary.BigEndian.Uint32(redirAddrPort.Addr().AsSlice()),
+		redirPort: redirAddrPort.Port(),
+	}
+}
+
+func (e *EBpfRedirect) Start() error {
+	if err := rlimit.RemoveMemlock(); err != nil {
+		return fmt.Errorf("remove memory lock: %w", err)
+	}
+
+	e.bpfPath = filepath.Join(C.BpfFSPath, e.ifName)
+	if err := os.MkdirAll(e.bpfPath, os.ModePerm); err != nil {
+		return fmt.Errorf("failed to create bpf fs subpath: %w", err)
+	}
+
+	var objs bpfObjects
+	if err := loadBpfObjects(&objs, &ebpf.CollectionOptions{
+		Maps: ebpf.MapOptions{
+			PinPath: e.bpfPath,
+		},
+	}); err != nil {
+		e.Close()
+		return fmt.Errorf("loading objects: %w", err)
+	}
+
+	e.objs = &objs
+	e.originMap = objs.bpfMaps.PairOriginalDstMap
+
+	if err := objs.bpfMaps.RedirParamsMap.Update(mapKey1, e.rtIndex, ebpf.UpdateAny); err != nil {
+		e.Close()
+		return fmt.Errorf("storing objects: %w", err)
+	}
+
+	if err := objs.bpfMaps.RedirParamsMap.Update(mapKey2, e.redirIp, ebpf.UpdateAny); err != nil {
+		e.Close()
+		return fmt.Errorf("storing objects: %w", err)
+	}
+
+	if err := objs.bpfMaps.RedirParamsMap.Update(mapKey3, uint32(e.redirPort), ebpf.UpdateAny); err != nil {
+		e.Close()
+		return fmt.Errorf("storing objects: %w", err)
+	}
+
+	attrs := netlink.QdiscAttrs{
+		LinkIndex: e.ifIndex,
+		Handle:    netlink.MakeHandle(0xffff, 0),
+		Parent:    netlink.HANDLE_CLSACT,
+	}
+
+	qdisc := &netlink.GenericQdisc{
+		QdiscAttrs: attrs,
+		QdiscType:  "clsact",
+	}
+
+	e.qdisc = qdisc
+
+	if err := netlink.QdiscAdd(qdisc); err != nil {
+		if os.IsExist(err) {
+			_ = netlink.QdiscDel(qdisc)
+			err = netlink.QdiscAdd(qdisc)
+		}
+
+		if err != nil {
+			e.Close()
+			return fmt.Errorf("cannot add clsact qdisc: %w", err)
+		}
+	}
+
+	filterAttrs := netlink.FilterAttrs{
+		LinkIndex: e.ifIndex,
+		Parent:    netlink.HANDLE_MIN_INGRESS,
+		Handle:    netlink.MakeHandle(0, 1),
+		Protocol:  unix.ETH_P_IP,
+		Priority:  0,
+	}
+
+	filter := &netlink.BpfFilter{
+		FilterAttrs:  filterAttrs,
+		Fd:           objs.bpfPrograms.TcRedirIngressFunc.FD(),
+		Name:         "clash-redir-ingress-" + e.ifName,
+		DirectAction: true,
+	}
+
+	if err := netlink.FilterAdd(filter); err != nil {
+		e.Close()
+		return fmt.Errorf("cannot attach ebpf object to filter ingress: %w", err)
+	}
+
+	e.filter = filter
+
+	filterAttrsEgress := netlink.FilterAttrs{
+		LinkIndex: e.ifIndex,
+		Parent:    netlink.HANDLE_MIN_EGRESS,
+		Handle:    netlink.MakeHandle(0, 1),
+		Protocol:  unix.ETH_P_IP,
+		Priority:  0,
+	}
+
+	filterEgress := &netlink.BpfFilter{
+		FilterAttrs:  filterAttrsEgress,
+		Fd:           objs.bpfPrograms.TcRedirEgressFunc.FD(),
+		Name:         "clash-redir-egress-" + e.ifName,
+		DirectAction: true,
+	}
+
+	if err := netlink.FilterAdd(filterEgress); err != nil {
+		e.Close()
+		return fmt.Errorf("cannot attach ebpf object to filter egress: %w", err)
+	}
+
+	e.filterEgress = filterEgress
+
+	return nil
+}
+
+func (e *EBpfRedirect) Close() {
+	if e.filter != nil {
+		_ = netlink.FilterDel(e.filter)
+	}
+	if e.filterEgress != nil {
+		_ = netlink.FilterDel(e.filterEgress)
+	}
+	if e.qdisc != nil {
+		_ = netlink.QdiscDel(e.qdisc)
+	}
+	if e.objs != nil {
+		_ = e.objs.Close()
+	}
+	_ = os.Remove(filepath.Join(e.bpfPath, "redir_params_map"))
+	_ = os.Remove(filepath.Join(e.bpfPath, "pair_original_dst_map"))
+}
+
+func (e *EBpfRedirect) Lookup(srcAddrPort netip.AddrPort) (socks5.Addr, error) {
+	rAddr := srcAddrPort.Addr().Unmap()
+	if rAddr.Is6() {
+		return nil, fmt.Errorf("remote address is ipv6")
+	}
+
+	srcIp := binary.BigEndian.Uint32(rAddr.AsSlice())
+	scrPort := srcAddrPort.Port()
+
+	key := bpfRedirInfo{
+		Sip:   byteorder.HostToNetwork32(srcIp),
+		Sport: byteorder.HostToNetwork16(scrPort),
+		Dip:   byteorder.HostToNetwork32(e.redirIp),
+		Dport: byteorder.HostToNetwork16(e.redirPort),
+	}
+
+	origin := bpfOriginInfo{}
+
+	err := e.originMap.Lookup(key, &origin)
+	if err != nil {
+		return nil, err
+	}
+
+	addr := make([]byte, net.IPv4len+3)
+	addr[0] = socks5.AtypIPv4
+
+	binary.BigEndian.PutUint32(addr[1:1+net.IPv4len], byteorder.NetworkToHost32(origin.Ip))               // big end
+	binary.BigEndian.PutUint16(addr[1+net.IPv4len:3+net.IPv4len], byteorder.NetworkToHost16(origin.Port)) // big end
+	return addr, nil
+}

component/ebpf/redir/bpf_bpfeb.go

@@ -0,0 +1,138 @@
+// Code generated by bpf2go; DO NOT EDIT.
+//go:build arm64be || armbe || mips || mips64 || mips64p32 || ppc64 || s390 || s390x || sparc || sparc64
+// +build arm64be armbe mips mips64 mips64p32 ppc64 s390 s390x sparc sparc64
+
+package redir
+
+import (
+	"bytes"
+	_ "embed"
+	"fmt"
+	"io"
+
+	"github.com/cilium/ebpf"
+)
+
+type bpfOriginInfo struct {
+	Ip   uint32
+	Port uint16
+	Pad  uint16
+}
+
+type bpfRedirInfo struct {
+	Sip   uint32
+	Dip   uint32
+	Sport uint16
+	Dport uint16
+}
+
+// loadBpf returns the embedded CollectionSpec for bpf.
+func loadBpf() (*ebpf.CollectionSpec, error) {
+	reader := bytes.NewReader(_BpfBytes)
+	spec, err := ebpf.LoadCollectionSpecFromReader(reader)
+	if err != nil {
+		return nil, fmt.Errorf("can't load bpf: %w", err)
+	}
+
+	return spec, err
+}
+
+// loadBpfObjects loads bpf and converts it into a struct.
+//
+// The following types are suitable as obj argument:
+//
+//     *bpfObjects
+//     *bpfPrograms
+//     *bpfMaps
+//
+// See ebpf.CollectionSpec.LoadAndAssign documentation for details.
+func loadBpfObjects(obj interface{}, opts *ebpf.CollectionOptions) error {
+	spec, err := loadBpf()
+	if err != nil {
+		return err
+	}
+
+	return spec.LoadAndAssign(obj, opts)
+}
+
+// bpfSpecs contains maps and programs before they are loaded into the kernel.
+//
+// It can be passed ebpf.CollectionSpec.Assign.
+type bpfSpecs struct {
+	bpfProgramSpecs
+	bpfMapSpecs
+}
+
+// bpfSpecs contains programs before they are loaded into the kernel.
+//
+// It can be passed ebpf.CollectionSpec.Assign.
+type bpfProgramSpecs struct {
+	TcRedirEgressFunc  *ebpf.ProgramSpec `ebpf:"tc_redir_egress_func"`
+	TcRedirIngressFunc *ebpf.ProgramSpec `ebpf:"tc_redir_ingress_func"`
+}
+
+// bpfMapSpecs contains maps before they are loaded into the kernel.
+//
+// It can be passed ebpf.CollectionSpec.Assign.
+type bpfMapSpecs struct {
+	PairOriginalDstMap *ebpf.MapSpec `ebpf:"pair_original_dst_map"`
+	RedirParamsMap     *ebpf.MapSpec `ebpf:"redir_params_map"`
+}
+
+// bpfObjects contains all objects after they have been loaded into the kernel.
+//
+// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
+type bpfObjects struct {
+	bpfPrograms
+	bpfMaps
+}
+
+func (o *bpfObjects) Close() error {
+	return _BpfClose(
+		&o.bpfPrograms,
+		&o.bpfMaps,
+	)
+}
+
+// bpfMaps contains all maps after they have been loaded into the kernel.
+//
+// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
+type bpfMaps struct {
+	PairOriginalDstMap *ebpf.Map `ebpf:"pair_original_dst_map"`
+	RedirParamsMap     *ebpf.Map `ebpf:"redir_params_map"`
+}
+
+func (m *bpfMaps) Close() error {
+	return _BpfClose(
+		m.PairOriginalDstMap,
+		m.RedirParamsMap,
+	)
+}
+
+// bpfPrograms contains all programs after they have been loaded into the kernel.
+//
+// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
+type bpfPrograms struct {
+	TcRedirEgressFunc  *ebpf.Program `ebpf:"tc_redir_egress_func"`
+	TcRedirIngressFunc *ebpf.Program `ebpf:"tc_redir_ingress_func"`
+}
+
+func (p *bpfPrograms) Close() error {
+	return _BpfClose(
+		p.TcRedirEgressFunc,
+		p.TcRedirIngressFunc,
+	)
+}
+
+func _BpfClose(closers ...io.Closer) error {
+	for _, closer := range closers {
+		if err := closer.Close(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// Do not access this directly.
+//go:embed bpf_bpfeb.o
+var _BpfBytes []byte

component/ebpf/redir/bpf_bpfel.go

@@ -0,0 +1,138 @@
+// Code generated by bpf2go; DO NOT EDIT.
+//go:build 386 || amd64 || amd64p32 || arm || arm64 || mips64le || mips64p32le || mipsle || ppc64le || riscv64
+// +build 386 amd64 amd64p32 arm arm64 mips64le mips64p32le mipsle ppc64le riscv64
+
+package redir
+
+import (
+	"bytes"
+	_ "embed"
+	"fmt"
+	"io"
+
+	"github.com/cilium/ebpf"
+)
+
+type bpfOriginInfo struct {
+	Ip   uint32
+	Port uint16
+	Pad  uint16
+}
+
+type bpfRedirInfo struct {
+	Sip   uint32
+	Dip   uint32
+	Sport uint16
+	Dport uint16
+}
+
+// loadBpf returns the embedded CollectionSpec for bpf.
+func loadBpf() (*ebpf.CollectionSpec, error) {
+	reader := bytes.NewReader(_BpfBytes)
+	spec, err := ebpf.LoadCollectionSpecFromReader(reader)
+	if err != nil {
+		return nil, fmt.Errorf("can't load bpf: %w", err)
+	}
+
+	return spec, err
+}
+
+// loadBpfObjects loads bpf and converts it into a struct.
+//
+// The following types are suitable as obj argument:
+//
+//     *bpfObjects
+//     *bpfPrograms
+//     *bpfMaps
+//
+// See ebpf.CollectionSpec.LoadAndAssign documentation for details.
+func loadBpfObjects(obj interface{}, opts *ebpf.CollectionOptions) error {
+	spec, err := loadBpf()
+	if err != nil {
+		return err
+	}
+
+	return spec.LoadAndAssign(obj, opts)
+}
+
+// bpfSpecs contains maps and programs before they are loaded into the kernel.
+//
+// It can be passed ebpf.CollectionSpec.Assign.
+type bpfSpecs struct {
+	bpfProgramSpecs
+	bpfMapSpecs
+}
+
+// bpfSpecs contains programs before they are loaded into the kernel.
+//
+// It can be passed ebpf.CollectionSpec.Assign.
+type bpfProgramSpecs struct {
+	TcRedirEgressFunc  *ebpf.ProgramSpec `ebpf:"tc_redir_egress_func"`
+	TcRedirIngressFunc *ebpf.ProgramSpec `ebpf:"tc_redir_ingress_func"`
+}
+
+// bpfMapSpecs contains maps before they are loaded into the kernel.
+//
+// It can be passed ebpf.CollectionSpec.Assign.
+type bpfMapSpecs struct {
+	PairOriginalDstMap *ebpf.MapSpec `ebpf:"pair_original_dst_map"`
+	RedirParamsMap     *ebpf.MapSpec `ebpf:"redir_params_map"`
+}
+
+// bpfObjects contains all objects after they have been loaded into the kernel.
+//
+// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
+type bpfObjects struct {
+	bpfPrograms
+	bpfMaps
+}
+
+func (o *bpfObjects) Close() error {
+	return _BpfClose(
+		&o.bpfPrograms,
+		&o.bpfMaps,
+	)
+}
+
+// bpfMaps contains all maps after they have been loaded into the kernel.
+//
+// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
+type bpfMaps struct {
+	PairOriginalDstMap *ebpf.Map `ebpf:"pair_original_dst_map"`
+	RedirParamsMap     *ebpf.Map `ebpf:"redir_params_map"`
+}
+
+func (m *bpfMaps) Close() error {
+	return _BpfClose(
+		m.PairOriginalDstMap,
+		m.RedirParamsMap,
+	)
+}
+
+// bpfPrograms contains all programs after they have been loaded into the kernel.
+//
+// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
+type bpfPrograms struct {
+	TcRedirEgressFunc  *ebpf.Program `ebpf:"tc_redir_egress_func"`
+	TcRedirIngressFunc *ebpf.Program `ebpf:"tc_redir_ingress_func"`
+}
+
+func (p *bpfPrograms) Close() error {
+	return _BpfClose(
+		p.TcRedirEgressFunc,
+		p.TcRedirIngressFunc,
+	)
+}
+
+func _BpfClose(closers ...io.Closer) error {
+	for _, closer := range closers {
+		if err := closer.Close(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// Do not access this directly.
+//go:embed bpf_bpfel.o
+var _BpfBytes []byte

component/ebpf/tc/bpf_bpfeb.go

@@ -0,0 +1,119 @@
+// Code generated by bpf2go; DO NOT EDIT.
+//go:build arm64be || armbe || mips || mips64 || mips64p32 || ppc64 || s390 || s390x || sparc || sparc64
+// +build arm64be armbe mips mips64 mips64p32 ppc64 s390 s390x sparc sparc64
+
+package tc
+
+import (
+	"bytes"
+	_ "embed"
+	"fmt"
+	"io"
+
+	"github.com/cilium/ebpf"
+)
+
+// loadBpf returns the embedded CollectionSpec for bpf.
+func loadBpf() (*ebpf.CollectionSpec, error) {
+	reader := bytes.NewReader(_BpfBytes)
+	spec, err := ebpf.LoadCollectionSpecFromReader(reader)
+	if err != nil {
+		return nil, fmt.Errorf("can't load bpf: %w", err)
+	}
+
+	return spec, err
+}
+
+// loadBpfObjects loads bpf and converts it into a struct.
+//
+// The following types are suitable as obj argument:
+//
+//     *bpfObjects
+//     *bpfPrograms
+//     *bpfMaps
+//
+// See ebpf.CollectionSpec.LoadAndAssign documentation for details.
+func loadBpfObjects(obj interface{}, opts *ebpf.CollectionOptions) error {
+	spec, err := loadBpf()
+	if err != nil {
+		return err
+	}
+
+	return spec.LoadAndAssign(obj, opts)
+}
+
+// bpfSpecs contains maps and programs before they are loaded into the kernel.
+//
+// It can be passed ebpf.CollectionSpec.Assign.
+type bpfSpecs struct {
+	bpfProgramSpecs
+	bpfMapSpecs
+}
+
+// bpfSpecs contains programs before they are loaded into the kernel.
+//
+// It can be passed ebpf.CollectionSpec.Assign.
+type bpfProgramSpecs struct {
+	TcTunFunc *ebpf.ProgramSpec `ebpf:"tc_tun_func"`
+}
+
+// bpfMapSpecs contains maps before they are loaded into the kernel.
+//
+// It can be passed ebpf.CollectionSpec.Assign.
+type bpfMapSpecs struct {
+	TcParamsMap *ebpf.MapSpec `ebpf:"tc_params_map"`
+}
+
+// bpfObjects contains all objects after they have been loaded into the kernel.
+//
+// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
+type bpfObjects struct {
+	bpfPrograms
+	bpfMaps
+}
+
+func (o *bpfObjects) Close() error {
+	return _BpfClose(
+		&o.bpfPrograms,
+		&o.bpfMaps,
+	)
+}
+
+// bpfMaps contains all maps after they have been loaded into the kernel.
+//
+// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
+type bpfMaps struct {
+	TcParamsMap *ebpf.Map `ebpf:"tc_params_map"`
+}
+
+func (m *bpfMaps) Close() error {
+	return _BpfClose(
+		m.TcParamsMap,
+	)
+}
+
+// bpfPrograms contains all programs after they have been loaded into the kernel.
+//
+// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
+type bpfPrograms struct {
+	TcTunFunc *ebpf.Program `ebpf:"tc_tun_func"`
+}
+
+func (p *bpfPrograms) Close() error {
+	return _BpfClose(
+		p.TcTunFunc,
+	)
+}
+
+func _BpfClose(closers ...io.Closer) error {
+	for _, closer := range closers {
+		if err := closer.Close(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// Do not access this directly.
+//go:embed bpf_bpfeb.o
+var _BpfBytes []byte

component/ebpf/tc/bpf_bpfel.go

@@ -0,0 +1,119 @@
+// Code generated by bpf2go; DO NOT EDIT.
+//go:build 386 || amd64 || amd64p32 || arm || arm64 || mips64le || mips64p32le || mipsle || ppc64le || riscv64
+// +build 386 amd64 amd64p32 arm arm64 mips64le mips64p32le mipsle ppc64le riscv64
+
+package tc
+
+import (
+	"bytes"
+	_ "embed"
+	"fmt"
+	"io"
+
+	"github.com/cilium/ebpf"
+)
+
+// loadBpf returns the embedded CollectionSpec for bpf.
+func loadBpf() (*ebpf.CollectionSpec, error) {
+	reader := bytes.NewReader(_BpfBytes)
+	spec, err := ebpf.LoadCollectionSpecFromReader(reader)
+	if err != nil {
+		return nil, fmt.Errorf("can't load bpf: %w", err)
+	}
+
+	return spec, err
+}
+
+// loadBpfObjects loads bpf and converts it into a struct.
+//
+// The following types are suitable as obj argument:
+//
+//     *bpfObjects
+//     *bpfPrograms
+//     *bpfMaps
+//
+// See ebpf.CollectionSpec.LoadAndAssign documentation for details.
+func loadBpfObjects(obj interface{}, opts *ebpf.CollectionOptions) error {
+	spec, err := loadBpf()
+	if err != nil {
+		return err
+	}
+
+	return spec.LoadAndAssign(obj, opts)
+}
+
+// bpfSpecs contains maps and programs before they are loaded into the kernel.
+//
+// It can be passed ebpf.CollectionSpec.Assign.
+type bpfSpecs struct {
+	bpfProgramSpecs
+	bpfMapSpecs
+}
+
+// bpfSpecs contains programs before they are loaded into the kernel.
+//
+// It can be passed ebpf.CollectionSpec.Assign.
+type bpfProgramSpecs struct {
+	TcTunFunc *ebpf.ProgramSpec `ebpf:"tc_tun_func"`
+}
+
+// bpfMapSpecs contains maps before they are loaded into the kernel.
+//
+// It can be passed ebpf.CollectionSpec.Assign.
+type bpfMapSpecs struct {
+	TcParamsMap *ebpf.MapSpec `ebpf:"tc_params_map"`
+}
+
+// bpfObjects contains all objects after they have been loaded into the kernel.
+//
+// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
+type bpfObjects struct {
+	bpfPrograms
+	bpfMaps
+}
+
+func (o *bpfObjects) Close() error {
+	return _BpfClose(
+		&o.bpfPrograms,
+		&o.bpfMaps,
+	)
+}
+
+// bpfMaps contains all maps after they have been loaded into the kernel.
+//
+// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
+type bpfMaps struct {
+	TcParamsMap *ebpf.Map `ebpf:"tc_params_map"`
+}
+
+func (m *bpfMaps) Close() error {
+	return _BpfClose(
+		m.TcParamsMap,
+	)
+}
+
+// bpfPrograms contains all programs after they have been loaded into the kernel.
+//
+// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
+type bpfPrograms struct {
+	TcTunFunc *ebpf.Program `ebpf:"tc_tun_func"`
+}
+
+func (p *bpfPrograms) Close() error {
+	return _BpfClose(
+		p.TcTunFunc,
+	)
+}
+
+func _BpfClose(closers ...io.Closer) error {
+	for _, closer := range closers {
+		if err := closer.Close(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// Do not access this directly.
+//go:embed bpf_bpfel.o
+var _BpfBytes []byte

component/ebpf/tc/redirect_to_tun.go

@@ -0,0 +1,147 @@
+//go:build linux
+
+package tc
+
+import (
+	"fmt"
+	"io"
+	"net/netip"
+	"os"
+	"path/filepath"
+
+	"github.com/cilium/ebpf"
+	"github.com/cilium/ebpf/rlimit"
+	"github.com/vishvananda/netlink"
+	"golang.org/x/sys/unix"
+
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/transport/socks5"
+)
+
+//go:generate go run github.com/cilium/ebpf/cmd/bpf2go -cc $BPF_CLANG -cflags $BPF_CFLAGS bpf ../bpf/tc.c
+
+const (
+	mapKey1 uint32 = 0
+	mapKey2 uint32 = 1
+)
+
+type EBpfTC struct {
+	objs   io.Closer
+	qdisc  netlink.Qdisc
+	filter netlink.Filter
+
+	ifName     string
+	ifIndex    int
+	ifMark     uint32
+	tunIfIndex uint32
+
+	bpfPath string
+}
+
+func NewEBpfTc(ifName string, ifIndex int, ifMark uint32, tunIfIndex uint32) *EBpfTC {
+	return &EBpfTC{
+		ifName:     ifName,
+		ifIndex:    ifIndex,
+		ifMark:     ifMark,
+		tunIfIndex: tunIfIndex,
+	}
+}
+
+func (e *EBpfTC) Start() error {
+	if err := rlimit.RemoveMemlock(); err != nil {
+		return fmt.Errorf("remove memory lock: %w", err)
+	}
+
+	e.bpfPath = filepath.Join(C.BpfFSPath, e.ifName)
+	if err := os.MkdirAll(e.bpfPath, os.ModePerm); err != nil {
+		return fmt.Errorf("failed to create bpf fs subpath: %w", err)
+	}
+
+	var objs bpfObjects
+	if err := loadBpfObjects(&objs, &ebpf.CollectionOptions{
+		Maps: ebpf.MapOptions{
+			PinPath: e.bpfPath,
+		},
+	}); err != nil {
+		e.Close()
+		return fmt.Errorf("loading objects: %w", err)
+	}
+
+	e.objs = &objs
+
+	if err := objs.bpfMaps.TcParamsMap.Update(mapKey1, e.ifMark, ebpf.UpdateAny); err != nil {
+		e.Close()
+		return fmt.Errorf("storing objects: %w", err)
+	}
+
+	if err := objs.bpfMaps.TcParamsMap.Update(mapKey2, e.tunIfIndex, ebpf.UpdateAny); err != nil {
+		e.Close()
+		return fmt.Errorf("storing objects: %w", err)
+	}
+
+	attrs := netlink.QdiscAttrs{
+		LinkIndex: e.ifIndex,
+		Handle:    netlink.MakeHandle(0xffff, 0),
+		Parent:    netlink.HANDLE_CLSACT,
+	}
+
+	qdisc := &netlink.GenericQdisc{
+		QdiscAttrs: attrs,
+		QdiscType:  "clsact",
+	}
+
+	e.qdisc = qdisc
+
+	if err := netlink.QdiscAdd(qdisc); err != nil {
+		if os.IsExist(err) {
+			_ = netlink.QdiscDel(qdisc)
+			err = netlink.QdiscAdd(qdisc)
+		}
+
+		if err != nil {
+			e.Close()
+			return fmt.Errorf("cannot add clsact qdisc: %w", err)
+		}
+	}
+
+	filterAttrs := netlink.FilterAttrs{
+		LinkIndex: e.ifIndex,
+		Parent:    netlink.HANDLE_MIN_EGRESS,
+		Handle:    netlink.MakeHandle(0, 1),
+		Protocol:  unix.ETH_P_ALL,
+		Priority:  1,
+	}
+
+	filter := &netlink.BpfFilter{
+		FilterAttrs:  filterAttrs,
+		Fd:           objs.bpfPrograms.TcTunFunc.FD(),
+		Name:         "clash-tc-" + e.ifName,
+		DirectAction: true,
+	}
+
+	if err := netlink.FilterAdd(filter); err != nil {
+		e.Close()
+		return fmt.Errorf("cannot attach ebpf object to filter: %w", err)
+	}
+
+	e.filter = filter
+
+	return nil
+}
+
+func (e *EBpfTC) Close() {
+	if e.filter != nil {
+		_ = netlink.FilterDel(e.filter)
+	}
+	if e.qdisc != nil {
+		_ = netlink.QdiscDel(e.qdisc)
+	}
+	if e.objs != nil {
+		_ = e.objs.Close()
+	}
+	_ = os.Remove(filepath.Join(e.bpfPath, "tc_params_map"))
+}
+
+func (e *EBpfTC) Lookup(_ netip.AddrPort) (socks5.Addr, error) {
+	return nil, fmt.Errorf("not supported")
+}

component/http/http.go

@@ -2,8 +2,8 @@ package http
 
 import (
 	"context"
+	"github.com/Dreamacro/clash/component/tls"
 	"github.com/Dreamacro/clash/listener/inner"
-	"github.com/Dreamacro/clash/log"
 	"io"
 	"net"
 	"net/http"
@@ -52,10 +52,10 @@ func HttpRequest(ctx context.Context, url, method string, header map[string][]st
 		TLSHandshakeTimeout:   10 * time.Second,
 		ExpectContinueTimeout: 1 * time.Second,
 		DialContext: func(ctx context.Context, network, address string) (net.Conn, error) {
-			log.Infoln(urlRes.String())
 			conn := inner.HandleTcp(address, urlRes.Hostname())
 			return conn, nil
 		},
+		TLSClientConfig: tls.GetDefaultTLSConfig(),
 	}
 
 	client := http.Client{Transport: transport}

component/process/process.go

@@ -2,9 +2,6 @@ package process
 
 import (
 	"errors"
-	"github.com/Dreamacro/clash/common/nnip"
-	C "github.com/Dreamacro/clash/constant"
-	"net"
 	"net/netip"
 )
 
@@ -12,8 +9,6 @@ var (
 	ErrInvalidNetwork     = errors.New("invalid network")
 	ErrPlatformNotSupport = errors.New("not support on this platform")
 	ErrNotFound           = errors.New("process not found")
-
-	enableFindProcess = true
 )
 
 const (
@@ -21,10 +16,6 @@ const (
 	UDP = "udp"
 )
 
-func EnableFindProcess(e bool) {
-	enableFindProcess = e
-}
-
 func FindProcessName(network string, srcIP netip.Addr, srcPort int) (int32, string, error) {
 	return findProcessName(network, srcIP, srcPort)
 }
@@ -36,51 +27,3 @@ func FindUid(network string, srcIP netip.Addr, srcPort int) (int32, error) {
 	}
 	return uid, nil
 }
-
-func ShouldFindProcess(metadata *C.Metadata) bool {
-	if !enableFindProcess ||
-		metadata.Process != "" ||
-		metadata.ProcessPath != "" {
-		return false
-	}
-	for _, ip := range localIPs {
-		if ip == metadata.SrcIP {
-			return true
-		}
-	}
-	return false
-}
-
-func AppendLocalIPs(ip ...netip.Addr) {
-	localIPs = append(ip, localIPs...)
-}
-
-func getLocalIPs() []netip.Addr {
-	ips := []netip.Addr{netip.IPv4Unspecified(), netip.IPv6Unspecified()}
-
-	netInterfaces, err := net.Interfaces()
-	if err != nil {
-		ips = append(ips, netip.AddrFrom4([4]byte{127, 0, 0, 1}), nnip.IpToAddr(net.IPv6loopback))
-		return ips
-	}
-
-	for i := 0; i < len(netInterfaces); i++ {
-		if (netInterfaces[i].Flags & net.FlagUp) != 0 {
-			adds, _ := netInterfaces[i].Addrs()
-
-			for _, address := range adds {
-				if ipNet, ok := address.(*net.IPNet); ok {
-					ips = append(ips, nnip.IpToAddr(ipNet.IP))
-				}
-			}
-		}
-	}
-
-	return ips
-}
-
-var localIPs []netip.Addr
-
-func init() {
-	localIPs = getLocalIPs()
-}

component/process/process_darwin.go

@@ -6,8 +6,6 @@ import (
 	"syscall"
 	"unsafe"
 
-	"github.com/Dreamacro/clash/common/nnip"
-
 	"golang.org/x/sys/unix"
 )
 
@@ -50,6 +48,8 @@ func findProcessName(network string, ip netip.Addr, port int) (int32, string, er
 		// rup8(sizeof(xtcpcb_n))
 		itemSize += 208
 	}
+
+	var fallbackUDPProcess string
 	// skip the first xinpgen(24 bytes) block
 	for i := 24; i+itemSize <= len(buf); i += itemSize {
 		// offset of xinpcb_n and xsocket_n
@@ -63,26 +63,37 @@ func findProcessName(network string, ip netip.Addr, port int) (int32, string, er
 		// xinpcb_n.inp_vflag
 		flag := buf[inp+44]
 
-		var srcIP netip.Addr
+		var (
+			srcIP     netip.Addr
+			srcIsIPv4 bool
+		)
 		switch {
 		case flag&0x1 > 0 && isIPv4:
 			// ipv4
-			srcIP = nnip.IpToAddr(buf[inp+76 : inp+80])
+			srcIP, _ = netip.AddrFromSlice(buf[inp+76 : inp+80])
+			srcIsIPv4 = true
 		case flag&0x2 > 0 && !isIPv4:
 			// ipv6
-			srcIP = nnip.IpToAddr(buf[inp+64 : inp+80])
+			srcIP, _ = netip.AddrFromSlice(buf[inp+64 : inp+80])
 		default:
 			continue
 		}
 
-		if ip != srcIP && (network == TCP || !srcIP.IsUnspecified()) {
+		if ip == srcIP {
-			continue
+			// xsocket_n.so_last_pid
+			pid := readNativeUint32(buf[so+68 : so+72])
+			pp, err := getExecPathFromPID(pid)
+			return -1, pp, err
 		}
 
-		// xsocket_n.so_last_pid
+		// udp packet connection may be not equal with srcIP
-		pid := readNativeUint32(buf[so+68 : so+72])
+		if network == UDP && srcIP.IsUnspecified() && isIPv4 == srcIsIPv4 {
-		pp, err := getExecPathFromPID(pid)
+			fallbackUDPProcess, _ = getExecPathFromPID(readNativeUint32(buf[so+68 : so+72]))
-		return -1, pp, err
+		}
+	}
+
+	if network == UDP && fallbackUDPProcess != "" {
+		return -1, fallbackUDPProcess, nil
 	}
 
 	return -1, "", ErrNotFound

component/process/process_linux.go

@@ -39,6 +39,7 @@ func findProcessName(network string, ip netip.Addr, srcPort int) (int32, string,
 	if err != nil {
 		return -1, "", err
 	}
+
 	pp, err := resolveProcessNameByProcSearch(inode, uid)
 	return uid, pp, err
 }
@@ -110,7 +111,7 @@ func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (int32,
 		return 0, 0, fmt.Errorf("netlink message: NLMSG_ERROR")
 	}
 
-	inode, uid := unpackSocketDiagResponse(&message)
+	inode, uid := unpackSocketDiagResponse(&messages[0])
 	if inode < 0 || uid < 0 {
 		return 0, 0, fmt.Errorf("invalid inode(%d) or uid(%d)", inode, uid)
 	}
@@ -197,7 +198,6 @@ func resolveProcessNameByProcSearch(inode, uid int32) (string, error) {
 			if err != nil {
 				continue
 			}
-
 			if runtime.GOOS == "android" {
 				if bytes.Equal(buffer[:n], socket) {
 					cmdline, err := os.ReadFile(path.Join(processPath, "cmdline"))

component/resolver/resolver.go

@@ -41,7 +41,6 @@ type Resolver interface {
 	ResolveIPv4(host string) (ip netip.Addr, err error)
 	ResolveIPv6(host string) (ip netip.Addr, err error)
 	ResolveAllIP(host string) (ip []netip.Addr, err error)
-	ResolveAllIPPrimaryIPv4(host string) (ips []netip.Addr, err error)
 	ResolveAllIPv4(host string) (ips []netip.Addr, err error)
 	ResolveAllIPv6(host string) (ips []netip.Addr, err error)
 }
@@ -55,7 +54,7 @@ func ResolveIPv4WithResolver(host string, r Resolver) (netip.Addr, error) {
 	if ips, err := ResolveAllIPv4WithResolver(host, r); err == nil {
 		return ips[rand.Intn(len(ips))], nil
 	} else {
-		return netip.Addr{}, nil
+		return netip.Addr{}, err
 	}
 }
 
@@ -74,10 +73,10 @@ func ResolveIPv6WithResolver(host string, r Resolver) (netip.Addr, error) {
 
 // ResolveIPWithResolver same as ResolveIP, but with a resolver
 func ResolveIPWithResolver(host string, r Resolver) (netip.Addr, error) {
-	if ips, err := ResolveAllIPPrimaryIPv4WithResolver(host, r); err == nil {
+	if ip, err := ResolveIPv4WithResolver(host, r); err == nil {
-		return ips[rand.Intn(len(ips))], nil
+		return ip, nil
 	} else {
-		return netip.Addr{}, err
+		return ResolveIPv6WithResolver(host, r)
 	}
 }
 
@@ -95,7 +94,6 @@ func ResolveIPv4ProxyServerHost(host string) (netip.Addr, error) {
 			return ip, nil
 		}
 	}
-
 	return ResolveIPv4(host)
 }
 
@@ -108,7 +106,6 @@ func ResolveIPv6ProxyServerHost(host string) (netip.Addr, error) {
 			return ip, nil
 		}
 	}
-
 	return ResolveIPv6(host)
 }
 
@@ -121,7 +118,6 @@ func ResolveProxyServerHost(host string) (netip.Addr, error) {
 			return ip, err
 		}
 	}
-
 	return ResolveIP(host)
 }
 
@@ -160,7 +156,6 @@ func ResolveAllIPv6WithResolver(host string, r Resolver) ([]netip.Addr, error) {
 
 		return []netip.Addr{netip.AddrFrom16(*(*[16]byte)(ipAddrs[rand.Intn(len(ipAddrs))]))}, nil
 	}
-
 	return []netip.Addr{}, ErrIPNotFound
 }
 
@@ -200,7 +195,6 @@ func ResolveAllIPv4WithResolver(host string, r Resolver) ([]netip.Addr, error) {
 
 		return []netip.Addr{netip.AddrFrom4(*(*[4]byte)(ip))}, nil
 	}
-
 	return []netip.Addr{}, ErrIPNotFound
 }
 
@@ -209,6 +203,11 @@ func ResolveAllIPWithResolver(host string, r Resolver) ([]netip.Addr, error) {
 		return []netip.Addr{node.Data}, nil
 	}
 
+	ip, err := netip.ParseAddr(host)
+	if err == nil {
+		return []netip.Addr{ip}, nil
+	}
+
 	if r != nil {
 		if DisableIPv6 {
 			return r.ResolveAllIPv4(host)
@@ -219,11 +218,6 @@ func ResolveAllIPWithResolver(host string, r Resolver) ([]netip.Addr, error) {
 		return ResolveAllIPv4(host)
 	}
 
-	ip, err := netip.ParseAddr(host)
-	if err == nil {
-		return []netip.Addr{ip}, nil
-	}
-
 	if DefaultResolver == nil {
 		ipAddr, err := net.ResolveIPAddr("ip", host)
 		if err != nil {
@@ -232,39 +226,6 @@ func ResolveAllIPWithResolver(host string, r Resolver) ([]netip.Addr, error) {
 
 		return []netip.Addr{nnip.IpToAddr(ipAddr.IP)}, nil
 	}
-
-	return []netip.Addr{}, ErrIPNotFound
-}
-
-func ResolveAllIPPrimaryIPv4WithResolver(host string, r Resolver) ([]netip.Addr, error) {
-	if node := DefaultHosts.Search(host); node != nil {
-		return []netip.Addr{node.Data}, nil
-	}
-
-	if r != nil {
-		if DisableIPv6 {
-			return r.ResolveAllIPv4(host)
-		}
-
-		return r.ResolveAllIPPrimaryIPv4(host)
-	} else if DisableIPv6 {
-		return ResolveAllIPv4(host)
-	}
-
-	ip, err := netip.ParseAddr(host)
-	if err == nil {
-		return []netip.Addr{ip}, nil
-	}
-
-	if DefaultResolver == nil {
-		ipAddr, err := net.ResolveIPAddr("ip", host)
-		if err != nil {
-			return []netip.Addr{}, err
-		}
-
-		return []netip.Addr{nnip.IpToAddr(ipAddr.IP)}, nil
-	}
-
 	return []netip.Addr{}, ErrIPNotFound
 }
 
@@ -284,7 +245,6 @@ func ResolveAllIPv6ProxyServerHost(host string) ([]netip.Addr, error) {
 	if ProxyServerHostResolver != nil {
 		return ResolveAllIPv6WithResolver(host, ProxyServerHostResolver)
 	}
-
 	return ResolveAllIPv6(host)
 }
 
@@ -292,7 +252,6 @@ func ResolveAllIPv4ProxyServerHost(host string) ([]netip.Addr, error) {
 	if ProxyServerHostResolver != nil {
 		return ResolveAllIPv4WithResolver(host, ProxyServerHostResolver)
 	}
-
 	return ResolveAllIPv4(host)
 }
 
@@ -300,6 +259,5 @@ func ResolveAllIPProxyServerHost(host string) ([]netip.Addr, error) {
 	if ProxyServerHostResolver != nil {
 		return ResolveAllIPWithResolver(host, ProxyServerHostResolver)
 	}
-
 	return ResolveAllIP(host)
 }

component/resource/fetcher.go

@@ -1,4 +1,4 @@
-package provider
+package resource
 
 import (
 	"bytes"
@@ -16,29 +16,30 @@ var (
 	dirMode  os.FileMode = 0o755
 )
 
-type parser[V any] func([]byte) (V, error)
+type Parser[V any] func([]byte) (V, error)
 
-type fetcher[V any] struct {
+type Fetcher[V any] struct {
-	name      string
+	resourceType string
-	vehicle   types.Vehicle
+	name         string
-	updatedAt *time.Time
+	vehicle      types.Vehicle
-	ticker    *time.Ticker
+	UpdatedAt    *time.Time
-	done      chan struct{}
+	ticker       *time.Ticker
-	hash      [16]byte
+	done         chan struct{}
-	parser    parser[V]
+	hash         [16]byte
-	interval  time.Duration
+	parser       Parser[V]
-	onUpdate  func(V)
+	interval     time.Duration
+	OnUpdate     func(V)
 }
 
-func (f *fetcher[V]) Name() string {
+func (f *Fetcher[V]) Name() string {
 	return f.name
 }
 
-func (f *fetcher[V]) VehicleType() types.VehicleType {
+func (f *Fetcher[V]) VehicleType() types.VehicleType {
 	return f.vehicle.Type()
 }
 
-func (f *fetcher[V]) Initial() (V, error) {
+func (f *Fetcher[V]) Initial() (V, error) {
 	var (
 		buf         []byte
 		err         error
@@ -49,7 +50,7 @@ func (f *fetcher[V]) Initial() (V, error) {
 	if stat, fErr := os.Stat(f.vehicle.Path()); fErr == nil {
 		buf, err = os.ReadFile(f.vehicle.Path())
 		modTime := stat.ModTime()
-		f.updatedAt = &modTime
+		f.UpdatedAt = &modTime
 		isLocal = true
 		if f.interval != 0 && modTime.Add(f.interval).Before(time.Now()) {
 			log.Infoln("[Provider] %s not updated for a long time, force refresh", f.Name())
@@ -63,11 +64,11 @@ func (f *fetcher[V]) Initial() (V, error) {
 		return getZero[V](), err
 	}
 
-	var proxies V
+	var contents V
 	if forceUpdate {
 		var forceBuf []byte
 		if forceBuf, err = f.vehicle.Read(); err == nil {
-			if proxies, err = f.parser(forceBuf); err == nil {
+			if contents, err = f.parser(forceBuf); err == nil {
 				isLocal = false
 				buf = forceBuf
 			}
@@ -75,7 +76,7 @@ func (f *fetcher[V]) Initial() (V, error) {
 	}
 
 	if err != nil || !forceUpdate {
-		proxies, err = f.parser(buf)
+		contents, err = f.parser(buf)
 	}
 
 	if err != nil {
@@ -89,7 +90,7 @@ func (f *fetcher[V]) Initial() (V, error) {
 			return getZero[V](), err
 		}
 
-		proxies, err = f.parser(buf)
+		contents, err = f.parser(buf)
 		if err != nil {
 			return getZero[V](), err
 		}
@@ -105,15 +106,15 @@ func (f *fetcher[V]) Initial() (V, error) {
 
 	f.hash = md5.Sum(buf)
 
-	// pull proxies automatically
+	// pull contents automatically
 	if f.ticker != nil {
 		go f.pullLoop()
 	}
 
-	return proxies, nil
+	return contents, nil
 }
 
-func (f *fetcher[V]) Update() (V, bool, error) {
+func (f *Fetcher[V]) Update() (V, bool, error) {
 	buf, err := f.vehicle.Read()
 	if err != nil {
 		return getZero[V](), false, err
@@ -122,12 +123,12 @@ func (f *fetcher[V]) Update() (V, bool, error) {
 	now := time.Now()
 	hash := md5.Sum(buf)
 	if bytes.Equal(f.hash[:], hash[:]) {
-		f.updatedAt = &now
+		f.UpdatedAt = &now
-		os.Chtimes(f.vehicle.Path(), now, now)
+		_ = os.Chtimes(f.vehicle.Path(), now, now)
 		return getZero[V](), true, nil
 	}
 
-	proxies, err := f.parser(buf)
+	contents, err := f.parser(buf)
 	if err != nil {
 		return getZero[V](), false, err
 	}
@@ -138,20 +139,20 @@ func (f *fetcher[V]) Update() (V, bool, error) {
 		}
 	}
 
-	f.updatedAt = &now
+	f.UpdatedAt = &now
 	f.hash = hash
 
-	return proxies, false, nil
+	return contents, false, nil
 }
 
-func (f *fetcher[V]) Destroy() error {
+func (f *Fetcher[V]) Destroy() error {
 	if f.ticker != nil {
 		f.done <- struct{}{}
 	}
 	return nil
 }
 
-func (f *fetcher[V]) pullLoop() {
+func (f *Fetcher[V]) pullLoop() {
 	for {
 		select {
 		case <-f.ticker.C:
@@ -162,13 +163,13 @@ func (f *fetcher[V]) pullLoop() {
 			}
 
 			if same {
-				log.Debugln("[Provider] %s's proxies doesn't change", f.Name())
+				log.Debugln("[Provider] %s's content doesn't change", f.Name())
 				continue
 			}
 
-			log.Infoln("[Provider] %s's proxies update", f.Name())
+			log.Infoln("[Provider] %s's content update", f.Name())
-			if f.onUpdate != nil {
+			if f.OnUpdate != nil {
-				f.onUpdate(elm)
+				f.OnUpdate(elm)
 			}
 		case <-f.done:
 			f.ticker.Stop()
@@ -189,19 +190,19 @@ func safeWrite(path string, buf []byte) error {
 	return os.WriteFile(path, buf, fileMode)
 }
 
-func newFetcher[V any](name string, interval time.Duration, vehicle types.Vehicle, parser parser[V], onUpdate func(V)) *fetcher[V] {
+func NewFetcher[V any](name string, interval time.Duration, vehicle types.Vehicle, parser Parser[V], onUpdate func(V)) *Fetcher[V] {
 	var ticker *time.Ticker
 	if interval != 0 {
 		ticker = time.NewTicker(interval)
 	}
 
-	return &fetcher[V]{
+	return &Fetcher[V]{
 		name:     name,
 		ticker:   ticker,
 		vehicle:  vehicle,
 		parser:   parser,
 		done:     make(chan struct{}, 1),
-		onUpdate: onUpdate,
+		OnUpdate: onUpdate,
 		interval: interval,
 	}
 }

component/resource/vehicle.go

@@ -1,4 +1,4 @@
-package provider
+package resource
 
 import (
 	"context"

component/sniffer/dispatcher.go

@@ -12,7 +12,6 @@ import (
 
 	CN "github.com/Dreamacro/clash/common/net"
 	"github.com/Dreamacro/clash/common/utils"
-	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
 )
@@ -84,8 +83,7 @@ func (sd *SnifferDispatcher) replaceDomain(metadata *C.Metadata, host string) {
 
 	metadata.AddrType = C.AtypDomainName
 	metadata.Host = host
-	metadata.DNSMode = C.DNSMapping
+	metadata.DNSMode = C.DNSNormal
-	resolver.InsertHostByIP(metadata.DstIP, host)
 }
 
 func (sd *SnifferDispatcher) Enable() bool {

component/sniffer/http_sniffer.go

@@ -3,6 +3,7 @@ package sniffer
 import (
 	"bytes"
 	"errors"
+	"fmt"
 	C "github.com/Dreamacro/clash/constant"
 	"net"
 	"strings"
@@ -88,13 +89,32 @@ func SniffHTTP(b []byte) (*string, error) {
 			host, _, err := net.SplitHostPort(rawHost)
 			if err != nil {
 				if addrError, ok := err.(*net.AddrError); ok && strings.Contains(addrError.Err, "missing port") {
-					host = rawHost
+					return parseHost(rawHost)
 				} else {
 					return nil, err
 				}
 			}
+
+			if net.ParseIP(host) != nil {
+				return nil, fmt.Errorf("host is ip")
+			}
+
 			return &host, nil
 		}
 	}
 	return nil, ErrNoClue
 }
+
+func parseHost(host string) (*string, error) {
+	if strings.HasPrefix(host, "[") && strings.HasSuffix(host, "]") {
+		if net.ParseIP(host[1:len(host)-1]) != nil {
+			return nil, fmt.Errorf("host is ip")
+		}
+	}
+
+	if net.ParseIP(host) != nil {
+		return nil, fmt.Errorf("host is ip")
+	}
+
+	return &host, nil
+}

component/tls/config.go

@@ -0,0 +1,140 @@
+package tls
+
+import (
+	"bytes"
+	"crypto/sha256"
+	"crypto/tls"
+	"crypto/x509"
+	"encoding/hex"
+	"fmt"
+	xtls "github.com/xtls/go"
+	"sync"
+	"time"
+)
+
+var globalFingerprints [][32]byte
+var mutex sync.Mutex
+
+func verifyPeerCertificateAndFingerprints(fingerprints [][32]byte, insecureSkipVerify bool) func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
+	return func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
+		if insecureSkipVerify {
+			return nil
+		}
+
+		var preErr error
+		for i := range rawCerts {
+			rawCert := rawCerts[i]
+			cert, err := x509.ParseCertificate(rawCert)
+			if err == nil {
+				opts := x509.VerifyOptions{
+					CurrentTime: time.Now(),
+				}
+
+				if _, err := cert.Verify(opts); err == nil {
+					return nil
+				} else {
+					fingerprint := sha256.Sum256(cert.Raw)
+					for _, fp := range fingerprints {
+						if bytes.Equal(fingerprint[:], fp[:]) {
+							return nil
+						}
+					}
+
+					preErr = err
+				}
+			}
+		}
+
+		return preErr
+	}
+}
+
+func AddCertFingerprint(fingerprint string) error {
+	fpByte, err2 := convertFingerprint(fingerprint)
+	if err2 != nil {
+		return err2
+	}
+
+	mutex.Lock()
+	globalFingerprints = append(globalFingerprints, *fpByte)
+	mutex.Unlock()
+	return nil
+}
+
+func convertFingerprint(fingerprint string) (*[32]byte, error) {
+	fpByte, err := hex.DecodeString(fingerprint)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(fpByte) != 32 {
+		return nil, fmt.Errorf("fingerprint string length error,need sha25 fingerprint")
+	}
+	return (*[32]byte)(fpByte), nil
+}
+
+func GetDefaultTLSConfig() *tls.Config {
+	return GetGlobalFingerprintTLCConfig(nil)
+}
+
+// GetSpecifiedFingerprintTLSConfig specified fingerprint
+func GetSpecifiedFingerprintTLSConfig(tlsConfig *tls.Config, fingerprint string) (*tls.Config, error) {
+	if fingerprintBytes, err := convertFingerprint(fingerprint); err != nil {
+		return nil, err
+	} else {
+		if tlsConfig == nil {
+			return &tls.Config{
+				InsecureSkipVerify:    true,
+				VerifyPeerCertificate: verifyPeerCertificateAndFingerprints([][32]byte{*fingerprintBytes}, false),
+			}, nil
+		} else {
+			tlsConfig.VerifyPeerCertificate = verifyPeerCertificateAndFingerprints([][32]byte{*fingerprintBytes}, tlsConfig.InsecureSkipVerify)
+			tlsConfig.InsecureSkipVerify = true
+			return tlsConfig, nil
+		}
+	}
+}
+
+func GetGlobalFingerprintTLCConfig(tlsConfig *tls.Config) *tls.Config {
+	if tlsConfig == nil {
+		return &tls.Config{
+			InsecureSkipVerify:    true,
+			VerifyPeerCertificate: verifyPeerCertificateAndFingerprints(globalFingerprints, false),
+		}
+	}
+
+	tlsConfig.VerifyPeerCertificate = verifyPeerCertificateAndFingerprints(globalFingerprints, tlsConfig.InsecureSkipVerify)
+	tlsConfig.InsecureSkipVerify = true
+	return tlsConfig
+}
+
+// GetSpecifiedFingerprintXTLSConfig specified fingerprint
+func GetSpecifiedFingerprintXTLSConfig(tlsConfig *xtls.Config, fingerprint string) (*xtls.Config, error) {
+	if fingerprintBytes, err := convertFingerprint(fingerprint); err != nil {
+		return nil, err
+	} else {
+		if tlsConfig == nil {
+			return &xtls.Config{
+				InsecureSkipVerify:    true,
+				VerifyPeerCertificate: verifyPeerCertificateAndFingerprints([][32]byte{*fingerprintBytes}, false),
+			}, nil
+		} else {
+			tlsConfig.VerifyPeerCertificate = verifyPeerCertificateAndFingerprints([][32]byte{*fingerprintBytes}, tlsConfig.InsecureSkipVerify)
+			tlsConfig.InsecureSkipVerify = true
+			return tlsConfig, nil
+		}
+	}
+}
+
+func GetGlobalFingerprintXTLCConfig(tlsConfig *xtls.Config) *xtls.Config {
+	if tlsConfig == nil {
+		return &xtls.Config{
+			InsecureSkipVerify:    true,
+			VerifyPeerCertificate: verifyPeerCertificateAndFingerprints(globalFingerprints, false),
+		}
+	}
+
+	tlsConfig.VerifyPeerCertificate = verifyPeerCertificateAndFingerprints(globalFingerprints, tlsConfig.InsecureSkipVerify)
+	tlsConfig.InsecureSkipVerify = true
+	return tlsConfig
+}

config/config.go

@@ -55,6 +55,7 @@ type General struct {
 	EnableProcess bool         `json:"enable-process"`
 	Tun           Tun          `json:"tun"`
 	Sniffing      bool         `json:"sniffing"`
+	EBpf          EBpf         `json:"-"`
 }
 
 // Inbound config
@@ -67,6 +68,7 @@ type Inbound struct {
 	Authentication []string `json:"authentication"`
 	AllowLan       bool     `json:"allow-lan"`
 	BindAddress    string   `json:"bind-address"`
+	InboundTfo     bool     `json:"inbound-tfo"`
 }
 
 // Controller config
@@ -79,6 +81,7 @@ type Controller struct {
 // DNS config
 type DNS struct {
 	Enable                bool             `yaml:"enable"`
+	PreferH3              bool             `yaml:"prefer-h3"`
 	IPv6                  bool             `yaml:"ipv6"`
 	NameServer            []dns.NameServer `yaml:"nameserver"`
 	Fallback              []dns.NameServer `yaml:"fallback"`
@@ -116,6 +119,7 @@ type Tun struct {
 	AutoRoute           bool             `yaml:"auto-route" json:"auto-route"`
 	AutoDetectInterface bool             `yaml:"auto-detect-interface" json:"auto-detect-interface"`
 	TunAddressPrefix    netip.Prefix     `yaml:"-" json:"-"`
+	RedirectToTun       []string         `yaml:"-" json:"-"`
 }
 
 // IPTables config
@@ -135,7 +139,9 @@ type Sniffer struct {
 }
 
 // Experimental config
-type Experimental struct{}
+type Experimental struct {
+	Fingerprints []string `yaml:"fingerprints"`
+}
 
 // Config is clash config manager
 type Config struct {
@@ -156,6 +162,7 @@ type Config struct {
 
 type RawDNS struct {
 	Enable                bool              `yaml:"enable"`
+	PreferH3              bool              `yaml:"prefer-h3"`
 	IPv6                  bool              `yaml:"ipv6"`
 	UseHosts              bool              `yaml:"use-hosts"`
 	NameServer            []string          `yaml:"nameserver"`
@@ -185,6 +192,7 @@ type RawTun struct {
 	DNSHijack           []string   `yaml:"dns-hijack" json:"dns-hijack"`
 	AutoRoute           bool       `yaml:"auto-route" json:"auto-route"`
 	AutoDetectInterface bool       `yaml:"auto-detect-interface"`
+	RedirectToTun       []string   `yaml:"-" json:"-"`
 }
 
 type RawConfig struct {
@@ -193,6 +201,7 @@ type RawConfig struct {
 	RedirPort          int          `yaml:"redir-port"`
 	TProxyPort         int          `yaml:"tproxy-port"`
 	MixedPort          int          `yaml:"mixed-port"`
+	InboundTfo         bool         `yaml:"inbound-tfo"`
 	Authentication     []string     `yaml:"authentication"`
 	AllowLan           bool         `yaml:"allow-lan"`
 	BindAddress        string       `yaml:"bind-address"`
@@ -216,6 +225,7 @@ type RawConfig struct {
 	Hosts         map[string]string         `yaml:"hosts"`
 	DNS           RawDNS                    `yaml:"dns"`
 	Tun           RawTun                    `yaml:"tun"`
+	EBpf          EBpf                      `yaml:"ebpf"`
 	IPTables      IPTables                  `yaml:"iptables"`
 	Experimental  Experimental              `yaml:"experimental"`
 	Profile       Profile                   `yaml:"profile"`
@@ -239,6 +249,18 @@ type RawSniffer struct {
 	Ports       []string `yaml:"port-whitelist" json:"port-whitelist"`
 }
 
+// EBpf config
+type EBpf struct {
+	RedirectToTun []string `yaml:"redirect-to-tun" json:"redirect-to-tun"`
+	AutoRedir     []string `yaml:"auto-redir" json:"auto-redir"`
+}
+
+var (
+	GroupsList             = list.New()
+	ProxiesList            = list.New()
+	ParsingProxiesCallback func(groupsList *list.List, proxiesList *list.List)
+)
+
 // Parse config
 func Parse(buf []byte) (*Config, error) {
 	rawCfg, err := UnmarshalRawConfig(buf)
@@ -275,6 +297,10 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 			AutoRoute:           false,
 			AutoDetectInterface: false,
 		},
+		EBpf: EBpf{
+			RedirectToTun: []string{},
+			AutoRedir:     []string{},
+		},
 		IPTables: IPTables{
 			Enable:           false,
 			InboundInterface: "lo",
@@ -403,7 +429,7 @@ func parseGeneral(cfg *RawConfig) (*General, error) {
 			return nil, fmt.Errorf("external-ui: %s not exist", externalUI)
 		}
 	}
-
+	cfg.Tun.RedirectToTun = cfg.EBpf.RedirectToTun
 	return &General{
 		Inbound: Inbound{
 			Port:        cfg.Port,
@@ -413,6 +439,7 @@ func parseGeneral(cfg *RawConfig) (*General, error) {
 			MixedPort:   cfg.MixedPort,
 			AllowLan:    cfg.AllowLan,
 			BindAddress: cfg.BindAddress,
+			InboundTfo:  cfg.InboundTfo,
 		},
 		Controller: Controller{
 			ExternalController: cfg.ExternalController,
@@ -429,6 +456,7 @@ func parseGeneral(cfg *RawConfig) (*General, error) {
 		GeodataLoader: cfg.GeodataLoader,
 		TCPConcurrent: cfg.TCPConcurrent,
 		EnableProcess: cfg.EnableProcess,
+		EBpf:          cfg.EBpf,
 	}, nil
 }
 
@@ -526,7 +554,12 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
 		[]providerTypes.ProxyProvider{pd},
 	)
 	proxies["GLOBAL"] = adapter.NewProxy(global)
-
+	ProxiesList = proxiesList
+	GroupsList = groupsList
+	if ParsingProxiesCallback != nil {
+		// refresh tray menu
+		go ParsingProxiesCallback(GroupsList, ProxiesList)
+	}
 	return proxies, providersMap, nil
 }
 
@@ -649,7 +682,8 @@ func parseNameServer(servers []string) ([]dns.NameServer, error) {
 			return nil, fmt.Errorf("DNS NameServer[%d] format error: %s", idx, err.Error())
 		}
 
-		var addr, dnsNetType string
+		var addr, dnsNetType, proxyAdapter string
+		params := map[string]string{}
 		switch u.Scheme {
 		case "udp":
 			addr, err = hostWithDefaultPort(u.Host, "53")
@@ -664,6 +698,20 @@ func parseNameServer(servers []string) ([]dns.NameServer, error) {
 			clearURL := url.URL{Scheme: "https", Host: u.Host, Path: u.Path}
 			addr = clearURL.String()
 			dnsNetType = "https" // DNS over HTTPS
+			if len(u.Fragment) != 0 {
+				for _, s := range strings.Split(u.Fragment, "&") {
+					arr := strings.Split(s, "=")
+					if len(arr) == 0 {
+						continue
+					} else if len(arr) == 1 {
+						proxyAdapter = arr[0]
+					} else if len(arr) == 2 {
+						params[arr[0]] = arr[1]
+					} else {
+						params[arr[0]] = strings.Join(arr[1:], "=")
+					}
+				}
+			}
 		case "dhcp":
 			addr = u.Host
 			dnsNetType = "dhcp" // UDP from DHCP
@@ -683,8 +731,9 @@ func parseNameServer(servers []string) ([]dns.NameServer, error) {
 			dns.NameServer{
 				Net:          dnsNetType,
 				Addr:         addr,
-				ProxyAdapter: u.Fragment,
+				ProxyAdapter: proxyAdapter,
 				Interface:    dialer.DefaultInterface,
+				Params:       params,
 			},
 		)
 	}
@@ -766,6 +815,7 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[netip.Addr], rules []C.R
 	dnsCfg := &DNS{
 		Enable:       cfg.Enable,
 		Listen:       cfg.Listen,
+		PreferH3:     cfg.PreferH3,
 		IPv6:         cfg.IPv6,
 		EnhancedMode: cfg.EnhancedMode,
 		FallbackFilter: FallbackFilter{
@@ -801,8 +851,10 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[netip.Addr], rules []C.R
 		host, _, err := net.SplitHostPort(ns.Addr)
 		if err != nil || net.ParseIP(host) == nil {
 			u, err := url.Parse(ns.Addr)
-			if err != nil || net.ParseIP(u.Host) == nil {
+			if err == nil && net.ParseIP(u.Host) == nil {
-				return nil, errors.New("default nameserver should be pure IP")
+				if ip, _, err := net.SplitHostPort(u.Host); err != nil || net.ParseIP(ip) == nil {
+					return nil, errors.New("default nameserver should be pure IP")
+				}
 			}
 		}
 	}
@@ -920,6 +972,7 @@ func parseTun(rawTun RawTun, general *General, dnsCfg *DNS) (*Tun, error) {
 		AutoRoute:           rawTun.AutoRoute,
 		AutoDetectInterface: rawTun.AutoDetectInterface,
 		TunAddressPrefix:    tunAddressPrefix,
+		RedirectToTun:       rawTun.RedirectToTun,
 	}, nil
 }
 
@@ -930,7 +983,8 @@ func parseSniffer(snifferRaw RawSniffer) (*Sniffer, error) {
 
 	var ports []utils.Range[uint16]
 	if len(snifferRaw.Ports) == 0 {
-		ports = append(ports, *utils.NewRange[uint16](0, 65535))
+		ports = append(ports, *utils.NewRange[uint16](80, 80))
+		ports = append(ports, *utils.NewRange[uint16](443, 443))
 	} else {
 		for _, portRange := range snifferRaw.Ports {
 			portRaws := strings.Split(portRange, "-")

config/updateGeo.go

@@ -6,8 +6,9 @@ import (
 	_ "github.com/Dreamacro/clash/component/geodata/standard"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/oschwald/geoip2-golang"
-	"io/ioutil"
+	"io"
 	"net/http"
+	"os"
 	"runtime"
 )
 
@@ -72,9 +73,9 @@ func downloadForBytes(url string) ([]byte, error) {
 	}
 	defer resp.Body.Close()
 
-	return ioutil.ReadAll(resp.Body)
+	return io.ReadAll(resp.Body)
 }
 
 func saveFile(bytes []byte, path string) error {
-	return ioutil.WriteFile(path, bytes, 0o644)
+	return os.WriteFile(path, bytes, 0o644)
 }

constant/dns.go

@@ -68,3 +68,46 @@ func (e DNSMode) String() string {
 		return "unknown"
 	}
 }
+
+type DNSPrefer int
+
+const (
+	DualStack DNSPrefer = iota
+	IPv4Only
+	IPv6Only
+	IPv4Prefer
+	IPv6Prefer
+)
+
+var dnsPreferMap = map[string]DNSPrefer{
+	DualStack.String():  DualStack,
+	IPv4Only.String():   IPv4Only,
+	IPv6Only.String():   IPv6Only,
+	IPv4Prefer.String(): IPv4Prefer,
+	IPv6Prefer.String(): IPv6Prefer,
+}
+
+func (d DNSPrefer) String() string {
+	switch d {
+	case DualStack:
+		return "dual"
+	case IPv4Only:
+		return "ipv4"
+	case IPv6Only:
+		return "ipv6"
+	case IPv4Prefer:
+		return "ipv4-prefer"
+	case IPv6Prefer:
+		return "ipv6-prefer"
+	default:
+		return "dual"
+	}
+}
+
+func NewDNSPrefer(prefer string) DNSPrefer {
+	if p, ok := dnsPreferMap[prefer]; ok {
+		return p
+	} else {
+		return DualStack
+	}
+}

constant/ebpf.go

@@ -0,0 +1,20 @@
+package constant
+
+import (
+	"net/netip"
+
+	"github.com/Dreamacro/clash/transport/socks5"
+)
+
+const (
+	BpfFSPath = "/sys/fs/bpf/clash"
+
+	TcpAutoRedirPort = 't'<<8 | 'r'<<0
+	ClashTrafficMark = 'c'<<24 | 'l'<<16 | 't'<<8 | 'm'<<0
+)
+
+type EBpf interface {
+	Start() error
+	Close()
+	Lookup(srcAddrPort netip.AddrPort) (socks5.Addr, error)
+}

constant/path.go

@@ -1,7 +1,6 @@
 package constant
 
 import (
-	"io/ioutil"
 	"os"
 	P "path"
 	"path/filepath"
@@ -58,7 +57,7 @@ func (p *path) Resolve(path string) string {
 }
 
 func (p *path) MMDB() string {
-	files, err := ioutil.ReadDir(p.homeDir)
+	files, err := os.ReadDir(p.homeDir)
 	if err != nil {
 		return ""
 	}
@@ -85,7 +84,7 @@ func (p *path) Cache() string {
 }
 
 func (p *path) GeoIP() string {
-	files, err := ioutil.ReadDir(p.homeDir)
+	files, err := os.ReadDir(p.homeDir)
 	if err != nil {
 		return ""
 	}
@@ -104,7 +103,7 @@ func (p *path) GeoIP() string {
 }
 
 func (p *path) GeoSite() string {
-	files, err := ioutil.ReadDir(p.homeDir)
+	files, err := os.ReadDir(p.homeDir)
 	if err != nil {
 		return ""
 	}

constant/provider/interface.go

@@ -68,7 +68,7 @@ type ProxyProvider interface {
 	Proxies() []C.Proxy
 	Touch()
 	HealthCheck()
-	Version() uint
+	Version() uint32
 }
 
 // Rule Type

constant/rule.go

@@ -83,6 +83,4 @@ type Rule interface {
 	Payload() string
 	ShouldResolveIP() bool
 	ShouldFindProcess() bool
-	RuleExtra() *RuleExtra
-	SetRuleExtra(re *RuleExtra)
 }

constant/rule_extra.go

@@ -1,48 +1,9 @@
 package constant
 
 import (
-	"net/netip"
-	"strings"
-
 	"github.com/Dreamacro/clash/component/geodata/router"
 )
 
-type RuleExtra struct {
-	Network      NetWork
-	SourceIPs    []*netip.Prefix
-	ProcessNames []string
-}
-
-func (re *RuleExtra) NotMatchNetwork(network NetWork) bool {
-	return re.Network != ALLNet && re.Network != network
-}
-
-func (re *RuleExtra) NotMatchSourceIP(srcIP netip.Addr) bool {
-	if re.SourceIPs == nil {
-		return false
-	}
-
-	for _, ips := range re.SourceIPs {
-		if ips.Contains(srcIP) {
-			return false
-		}
-	}
-	return true
-}
-
-func (re *RuleExtra) NotMatchProcessName(processName string) bool {
-	if re.ProcessNames == nil {
-		return false
-	}
-
-	for _, pn := range re.ProcessNames {
-		if strings.EqualFold(pn, processName) {
-			return false
-		}
-	}
-	return true
-}
-
 type RuleGeoSite interface {
 	GetDomainMatcher() *router.DomainMatcher
 }

context/conn.go

@@ -1,9 +1,9 @@
 package context
 
 import (
+	CN "github.com/Dreamacro/clash/common/net"
 	"net"
 
-	CN "github.com/Dreamacro/clash/common/net"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/gofrs/uuid"
 )
@@ -16,6 +16,7 @@ type ConnContext struct {
 
 func NewConnContext(conn net.Conn, metadata *C.Metadata) *ConnContext {
 	id, _ := uuid.NewV4()
+
 	return &ConnContext{
 		id:       id,
 		metadata: metadata,

dns/client.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"crypto/tls"
 	"fmt"
+	tlsC "github.com/Dreamacro/clash/component/tls"
 	"go.uber.org/atomic"
 	"net"
 	"net/netip"
@@ -77,7 +78,7 @@ func (c *client) ExchangeContext(ctx context.Context, m *D.Msg) (*D.Msg, error)
 	ch := make(chan result, 1)
 	go func() {
 		if strings.HasSuffix(c.Client.Net, "tls") {
-			conn = tls.Client(conn, c.Client.TLSConfig)
+			conn = tls.Client(conn, tlsC.GetGlobalFingerprintTLCConfig(c.Client.TLSConfig))
 		}
 
 		msg, _, err := c.Client.ExchangeWithConn(m, &D.Conn{

dns/doh.go

@@ -3,14 +3,18 @@ package dns
 import (
 	"bytes"
 	"context"
+	"crypto/tls"
+	"fmt"
+	"github.com/Dreamacro/clash/component/dialer"
+	"github.com/Dreamacro/clash/component/resolver"
+	tlsC "github.com/Dreamacro/clash/component/tls"
+	"github.com/lucas-clemente/quic-go"
+	"github.com/lucas-clemente/quic-go/http3"
+	D "github.com/miekg/dns"
 	"io"
 	"net"
 	"net/http"
-
+	"strconv"
-	"github.com/Dreamacro/clash/component/dialer"
-	"github.com/Dreamacro/clash/component/resolver"
-
-	D "github.com/miekg/dns"
 )
 
 const (
@@ -19,9 +23,8 @@ const (
 )
 
 type dohClient struct {
-	url          string
+	url       string
-	proxyAdapter string
+	transport http.RoundTripper
-	transport    *http.Transport
 }
 
 func (dc *dohClient) Exchange(m *D.Msg) (msg *D.Msg, err error) {
@@ -63,28 +66,75 @@ func (dc *dohClient) newRequest(m *D.Msg) (*http.Request, error) {
 	return req, nil
 }
 
-func (dc *dohClient) doRequest(req *http.Request) (*D.Msg, error) {
+func (dc *dohClient) doRequest(req *http.Request) (msg *D.Msg, err error) {
 	client := &http.Client{Transport: dc.transport}
 	resp, err := client.Do(req)
 	if err != nil {
 		return nil, err
 	}
+
 	defer resp.Body.Close()
 
 	buf, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err
 	}
-	msg := &D.Msg{}
+	msg = &D.Msg{}
 	err = msg.Unpack(buf)
 	return msg, err
 }
 
-func newDoHClient(url string, r *Resolver, proxyAdapter string) *dohClient {
+func newDoHClient(url string, r *Resolver, params map[string]string, proxyAdapter string) *dohClient {
-	return &dohClient{
+	useH3 := params["h3"] == "true"
-		url:          url,
+	TLCConfig := tlsC.GetDefaultTLSConfig()
-		proxyAdapter: proxyAdapter,
+	var transport http.RoundTripper
-		transport: &http.Transport{
+	if useH3 {
+		transport = &http3.RoundTripper{
+			Dial: func(ctx context.Context, addr string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
+				host, port, err := net.SplitHostPort(addr)
+				if err != nil {
+					return nil, err
+				}
+
+				ip, err := resolver.ResolveIPWithResolver(host, r)
+				if err != nil {
+					return nil, err
+				}
+
+				portInt, err := strconv.Atoi(port)
+				if err != nil {
+					return nil, err
+				}
+
+				udpAddr := net.UDPAddr{
+					IP:   net.ParseIP(ip.String()),
+					Port: portInt,
+				}
+
+				var conn net.PacketConn
+				if proxyAdapter == "" {
+					conn, err = dialer.ListenPacket(ctx, "udp", "")
+					if err != nil {
+						return nil, err
+					}
+				} else {
+					if wrapConn, err := dialContextExtra(ctx, proxyAdapter, "udp", ip, port); err == nil {
+						if pc, ok := wrapConn.(*wrapPacketConn); ok {
+							conn = pc
+						} else {
+							return nil, fmt.Errorf("conn isn't wrapPacketConn")
+						}
+					} else {
+						return nil, err
+					}
+				}
+
+				return quic.DialEarlyContext(ctx, conn, &udpAddr, host, tlsCfg, cfg)
+			},
+			TLSClientConfig: TLCConfig,
+		}
+	} else {
+		transport = &http.Transport{
 			ForceAttemptHTTP2: true,
 			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
 				host, port, err := net.SplitHostPort(addr)
@@ -103,6 +153,12 @@ func newDoHClient(url string, r *Resolver, proxyAdapter string) *dohClient {
 					return dialContextExtra(ctx, proxyAdapter, "tcp", ip, port)
 				}
 			},
-		},
+			TLSClientConfig: TLCConfig,
+		}
+	}
+
+	return &dohClient{
+		url:       url,
+		transport: transport,
 	}
 }

dns/doq.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/resolver"
+	tlsC "github.com/Dreamacro/clash/component/tls"
 	"github.com/lucas-clemente/quic-go"
 	"net"
 	"strconv"
@@ -24,9 +25,10 @@ var bytesPool = sync.Pool{New: func() interface{} { return &bytes.Buffer{} }}
 type quicClient struct {
 	addr         string
 	r            *Resolver
-	session      quic.Connection
+	connection   quic.Connection
 	proxyAdapter string
-	sync.RWMutex // protects session and bytesPool
+	udp          net.PacketConn
+	sync.RWMutex // protects connection and bytesPool
 }
 
 func newDOQ(r *Resolver, addr, proxyAdapter string) *quicClient {
@@ -90,59 +92,61 @@ func isActive(s quic.Connection) bool {
 	}
 }
 
-// getSession - opens or returns an existing quic.Connection
+// getConnection - opens or returns an existing quic.Connection
-// useCached - if true and cached session exists, return it right away
+// useCached - if true and cached connection exists, return it right away
-// otherwise - forcibly creates a new session
+// otherwise - forcibly creates a new connection
-func (dc *quicClient) getSession(ctx context.Context) (quic.Connection, error) {
+func (dc *quicClient) getConnection(ctx context.Context) (quic.Connection, error) {
-	var session quic.Connection
+	var connection quic.Connection
 	dc.RLock()
-	session = dc.session
+	connection = dc.connection
-	if session != nil && isActive(session) {
+
+	if connection != nil && isActive(connection) {
 		dc.RUnlock()
-		return session, nil
+		return connection, nil
-	}
-	if session != nil {
-		// we're recreating the session, let's create a new one
-		_ = session.CloseWithError(0, "")
 	}
+
 	dc.RUnlock()
 
 	dc.Lock()
 	defer dc.Unlock()
-
+	connection = dc.connection
-	var err error
+	if connection != nil {
-	session, err = dc.openSession(ctx)
+		if isActive(connection) {
-	if err != nil {
+			return connection, nil
-		// This does not look too nice, but QUIC (or maybe quic-go)
+		} else {
-		// doesn't seem stable enough.
+			_ = connection.CloseWithError(quic.ApplicationErrorCode(0), "")
-		// Maybe retransmissions aren't fully implemented in quic-go?
-		// Anyways, the simple solution is to make a second try when
-		// it fails to open the QUIC session.
-		session, err = dc.openSession(ctx)
-		if err != nil {
-			return nil, err
 		}
 	}
-	dc.session = session
+
-	return session, nil
+	var err error
+	connection, err = dc.openConnection(ctx)
+	dc.connection = connection
+	return connection, err
 }
 
-func (dc *quicClient) openSession(ctx context.Context) (quic.Connection, error) {
+func (dc *quicClient) openConnection(ctx context.Context) (quic.Connection, error) {
-	tlsConfig := &tls.Config{
+	if dc.udp != nil {
-		InsecureSkipVerify: false,
+		_ = dc.udp.Close()
-		NextProtos: []string{
-			NextProtoDQ,
-		},
-		SessionTicketsDisabled: false,
 	}
+
+	tlsConfig := tlsC.GetGlobalFingerprintTLCConfig(
+		&tls.Config{
+			InsecureSkipVerify: false,
+			NextProtos: []string{
+				NextProtoDQ,
+			},
+			SessionTicketsDisabled: false,
+		})
+
 	quicConfig := &quic.Config{
 		ConnectionIDLength:   12,
 		HandshakeIdleTimeout: time.Second * 8,
 		MaxIncomingStreams:   4,
-		MaxIdleTimeout:       time.Second * 45,
+		KeepAlivePeriod:      10 * time.Second,
+		MaxIdleTimeout:       time.Second * 120,
 	}
 
-	log.Debugln("opening session to %s", dc.addr)
+	log.Debugln("opening new connection to %s", dc.addr)
 	var (
 		udp net.PacketConn
 		err error
@@ -183,14 +187,15 @@ func (dc *quicClient) openSession(ctx context.Context) (quic.Connection, error)
 
 	session, err := quic.DialContext(ctx, udp, &udpAddr, host, tlsConfig, quicConfig)
 	if err != nil {
-		return nil, fmt.Errorf("failed to open QUIC session: %w", err)
+		return nil, fmt.Errorf("failed to open QUIC connection: %w", err)
 	}
 
+	dc.udp = udp
 	return session, nil
 }
 
 func (dc *quicClient) openStream(ctx context.Context) (quic.Stream, error) {
-	session, err := dc.getSession(ctx)
+	session, err := dc.getConnection(ctx)
 	if err != nil {
 		return nil, err
 	}

dns/resolver.go

@@ -88,7 +88,7 @@ func (r *Resolver) ResolveAllIP(host string) (ips []netip.Addr, err error) {
 			return nil, resolver.ErrIPNotFound
 		}
 		ips = append(ips, ipv6s...)
-	case <-time.After(1 * time.Millisecond):
+	case <-time.After(30 * time.Millisecond):
 		// wait ipv6 result
 	}
 
@@ -354,6 +354,7 @@ type NameServer struct {
 	Addr         string
 	Interface    *atomic.String
 	ProxyAdapter string
+	Params       map[string]string
 }
 
 type FallbackFilter struct {

dns/util.go

@@ -59,7 +59,7 @@ func transform(servers []NameServer, resolver *Resolver) []dnsClient {
 	for _, s := range servers {
 		switch s.Net {
 		case "https":
-			ret = append(ret, newDoHClient(s.Addr, resolver, s.ProxyAdapter))
+			ret = append(ret, newDoHClient(s.Addr, resolver, s.Params, s.ProxyAdapter))
 			continue
 		case "dhcp":
 			ret = append(ret, newDHCPClient(s.Addr))
@@ -74,8 +74,6 @@ func transform(servers []NameServer, resolver *Resolver) []dnsClient {
 			Client: &D.Client{
 				Net: s.Net,
 				TLSConfig: &tls.Config{
-					// alpn identifier, see https://tools.ietf.org/html/draft-hoffman-dprive-dns-tls-alpn-00#page-6
-					NextProtos: []string{"dns"},
 					ServerName: host,
 				},
 				UDPSize: 4096,

docs/config.yaml

@@ -0,0 +1,540 @@
+# port: 7890 # HTTP(S) 代理服务器端口
+# socks-port: 7891 # SOCKS5 代理端口
+mixed-port: 10801 # HTTP(S) 和 SOCKS 代理混合端口
+# redir-port: 7892 # 透明代理端口，用于 Linux 和 MacOS
+
+# Transparent proxy server port for Linux (TProxy TCP and TProxy UDP)
+# 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
+
+mode: rule
+
+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
+
+external-controller: 0.0.0.0:9093 # RESTful API 监听地址
+
+# 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
+
+# interface-name: en0 # 设置出口网卡
+
+# routing-mark: 6666 # 配置 fwmark 仅用于Linux
+experimental:
+  # 具体配置待定
+  # 证书指纹,SHA256格式,补充校验TLS证书
+  # 可使用 openssl x509 -noout -fingerprint -sha256 -inform pem -in yourcert.pem 获取
+  fingerprints:
+    - "8F111FA9AD3CD8E917A118522CAC39EA33741B3BBE73F91CECE548D5CCB0E5E8" # 忽略大小写
+# 类似于 /etc/hosts, 仅支持配置单个 IP
+hosts:
+# '*.clash.dev': 127.0.0.1
+# '.dev': 127.0.0.1
+# 'alpha.clash.dev': '::1'
+
+# Tun 配置
+tun:
+  enable: false
+  stack: system # gvisor
+  dns-hijack:
+    - 198.18.0.2:53 # 需要劫持的 DNS
+  # auto-detect-interface: true # 自动识别出口网卡
+  # auto-route: true # 配置路由表
+
+#ebpf配置
+ebpf:
+  auto-redir: # redirect 模式，仅支持 TCP
+    - eth0
+  redirect-to-tun: # UDP+TCP 使用该功能请勿启用 auto-route
+    - eth0
+
+# 嗅探域名 可选配置
+sniffer:
+  enable: false
+  # 需要嗅探协议
+  sniffing:
+    - tls
+    - http
+  # 强制对此域名进行嗅探
+  force-domain:
+    - +.v2ex.com
+  # 仅对白名单中的端口进行嗅探，默认为 443，80
+  port-whitelist:
+    - "80"
+    - "443"
+    # - 8000-9999
+
+profile:
+  # 存储select选择记录
+  store-selected: false
+
+  # 持久化fake-ip
+  store-fake-ip: true
+
+# DNS配置
+dns:
+  enable: false # 关闭将使用系统 DNS
+  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:
+    - 114.114.114.114
+    - 8.8.8.8
+    - 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
+  nameserver:
+    - 114.114.114.114 # default value
+    - 8.8.8.8 # default value
+    - tls://223.5.5.5:853 # DNS over TLS
+    - https://doh.pub/dns-query # DNS over HTTPS
+    - https://dns.alidns.com/dns-query#h3=true # 强制HTTP/3
+    - https://mozilla.cloudflare-dns.com/dns-query#DNS&h3=true # 指定策略组和使用 HTTP/3
+    - 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
+  #   geoip-code: CN # 当 nameserver 域名的 IP 查询 geoip 库为 CN 时，不使用 fallback 中的 DNS 查询结果
+  #   配置强制 fallback，优先于 IP 判断，具体分类自行查看 geosite 库
+  #   geosite:
+  #     - gfw
+  #   配置不需要使用 fallback 的 IP CIDR
+  #   ipcidr:
+  #     - 240.0.0.0/4
+  #   domain:
+  #     - '+.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'
+  #   '+.internal.crop.com': '10.0.0.1'
+
+proxies:
+  # Shadowsocks
+  # cipher支持:
+  #   aes-128-gcm aes-192-gcm aes-256-gcm
+  #   aes-128-cfb aes-192-cfb aes-256-cfb
+  #   aes-128-ctr aes-192-ctr aes-256-ctr
+  #   rc4-md5 chacha20-ietf xchacha20
+  #   chacha20-ietf-poly1305 xchacha20-ietf-poly1305
+  #   2022-blake3-aes-128-gcm 2022-blake3-aes-256-gcm 2022-blake3-chacha20-poly1305
+  - name: "ss1"
+    type: ss
+    server: server
+    port: 443
+    cipher: chacha20-ietf-poly1305
+    password: "password"
+    # udp: true
+    # udp-over-tcp: false
+    # ip-version: ipv4 # 设置节点使用 IP 版本，可选：dual，ipv4，ipv6，ipv4-prefer，ipv6-prefer。默认使用 dual
+                       # ipv4：仅使用 IPv4  ipv6：仅使用 IPv6
+                       # ipv4-prefer：优先使用 IPv4 对于 TCP 会进行双栈解析，并发链接但是优先使用 IPv4 链接,
+                       # 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
+  - name: "ss2"
+    type: ss
+    server: server
+    port: 443
+    cipher: chacha20-ietf-poly1305
+    password: "password"
+    plugin: obfs
+    plugin-opts:
+      mode: tls # or http
+      # host: bing.com
+
+  - name: "ss3"
+    type: ss
+    server: server
+    port: 443
+    cipher: chacha20-ietf-poly1305
+    password: "password"
+    plugin: v2ray-plugin
+    plugin-opts:
+      mode: websocket # no QUIC now
+      # tls: true # wss
+      # fingerprint: xxxx
+      # skip-cert-verify: true
+      # host: bing.com
+      # path: "/"
+      # mux: true
+      # headers:
+      #   custom: value
+
+  # vmess
+  # cipher支持 auto/aes-128-gcm/chacha20-poly1305/none
+  - name: "vmess"
+    type: vmess
+    server: server
+    port: 443
+    uuid: uuid
+    alterId: 32
+    cipher: auto
+    # udp: true
+    # tls: true
+    # fingerprint: xxxx
+    # skip-cert-verify: true
+    # servername: example.com # priority over wss host
+    # network: ws
+    # ws-opts:
+    #   path: /path
+    #   headers:
+    #     Host: v2ray.com
+    #   max-early-data: 2048
+    #   early-data-header-name: Sec-WebSocket-Protocol
+
+  - name: "vmess-h2"
+    type: vmess
+    server: server
+    port: 443
+    uuid: uuid
+    alterId: 32
+    cipher: auto
+    network: h2
+    tls: true
+    # fingerprint: xxxx
+    h2-opts:
+      host:
+        - http.example.com
+        - http-alt.example.com
+      path: /
+
+  - name: "vmess-http"
+    type: vmess
+    server: server
+    port: 443
+    uuid: uuid
+    alterId: 32
+    cipher: auto
+    # udp: true
+    # network: http
+    # http-opts:
+    #   # 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
+    type: vmess
+    uuid: uuid
+    alterId: 32
+    cipher: auto
+    network: grpc
+    tls: true
+    # fingerprint: xxxx
+    servername: example.com
+    # skip-cert-verify: true
+    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
+    # 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
+    server: server
+    port: 443
+    uuid: uuid
+    network: tcp
+    servername: example.com # AKA SNI
+    # flow: xtls-rprx-direct # xtls-rprx-origin  # enable XTLS
+    # skip-cert-verify: true
+    # fingerprint: xxxx
+
+  - name: "vless-ws"
+    type: vless
+    server: server
+    port: 443
+    uuid: uuid
+    udp: true
+    tls: true
+    network: ws
+    servername: example.com # priority over wss host
+    # skip-cert-verify: true
+    # fingerprint: xxxx
+    ws-opts:
+      path: "/"
+      headers:
+        Host: example.com
+  - name: "hysteria"
+    type: hysteria
+    server: server.com
+    port: 443
+    auth_str: yourpassword
+    # obfs: obfs_str
+    # alpn: h3
+    protocol: udp # 支持 udp/wechat-video/faketcp
+    up: "30 Mbps" # 若不写单位，默认为 Mbps
+    down: "200 Mbps" # 若不写单位，默认为 Mbps
+    #sni: server.com
+    #skip-cert-verify: false
+    #recv_window_conn: 12582912
+    #recv_window: 52428800
+    #ca: "./my.ca"
+    #ca_str: "xyz"
+    #disable_mtu_discovery: false
+    # fingerprint: xxxx
+
+  # ShadowsocksR
+  # The supported ciphers (encryption methods): all stream ciphers in ss
+  # The supported obfses:
+  #   plain http_simple http_post
+  #   random_head tls1.2_ticket_auth tls1.2_ticket_fastauth
+  # The supported supported protocols:
+  #   origin auth_sha1_v4 auth_aes128_md5
+  #   auth_aes128_sha1 auth_chain_a auth_chain_b
+  - name: "ssr"
+    type: ssr
+    server: server
+    port: 443
+    cipher: chacha20-ietf
+    password: "password"
+    obfs: tls1.2_ticket_auth
+    protocol: auth_sha1_v4
+    # obfs-param: domain.tld
+    # protocol-param: "#"
+    # udp: true
+
+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
+    proxies:
+      - http
+      - 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
+    proxies:
+      - ss1
+      - ss2
+      - vmess1
+    # tolerance: 150
+    # lazy: true
+    url: "http://www.gstatic.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
+    proxies:
+      - ss1
+      - ss2
+      - vmess1
+    url: "http://www.gstatic.com/generate_204"
+    interval: 300
+
+  # load-balance 将按照算法随机选择节点
+  - name: "load-balance"
+    type: load-balance
+    proxies:
+      - ss1
+      - ss2
+      - vmess1
+    url: "http://www.gstatic.com/generate_204"
+    interval: 300
+    # strategy: consistent-hashing # 可选 round-robin 和 sticky-sessions
+
+  # select 用户自行选择节点
+  - name: Proxy
+    type: select
+    # disable-udp: true
+    proxies:
+      - ss1
+      - ss2
+      - vmess1
+      - auto
+
+  # 配置指定 interface-name 和 fwmark 的 DIRECT
+  - name: en1
+    type: select
+    interface-name: en1
+    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
+    use:
+      - provider1
+    proxies:
+      - Proxy
+      - DIRECT
+
+# Clash 格式的节点或支持 *ray 的分享格式
+proxy-providers:
+  provider1:
+    type: http
+    url: "url"
+    interval: 3600
+    path: ./provider1.yaml
+    health-check:
+      enable: true
+      interval: 600
+      # lazy: true
+      url: http://www.gstatic.com/generate_204
+  test:
+    type: file
+    path: /test.yaml
+    health-check:
+      enable: true
+      interval: 36000
+      url: http://www.gstatic.com/generate_204
+rule-providers:
+  rule1:
+    behavior: classical # domain ipcidr
+    interval: 259200
+    path: /path/to/save/file.yaml
+    type: http
+    url: "url"
+  rule2:
+    behavior: classical
+    interval: 259200
+    path: /path/to/save/file.yaml
+    type: file
+rules:
+  - RULE-SET,rule1,REJECT
+  - DOMAIN-SUFFIX,baidu.com,DIRECT
+  - DOMAIN-KEYWORD,google,ss1
+  - IP-CIDR,1.1.1.1/32,ss1
+  - IP-CIDR6,2409::/64,DIRECT

go.mod

@@ -1,16 +1,22 @@
 module github.com/Dreamacro/clash
 
-go 1.18
+go 1.19
 
 require (
+	github.com/cilium/ebpf v0.9.1
+	github.com/coreos/go-iptables v0.6.0
+	github.com/database64128/tfo-go v1.1.0
 	github.com/dlclark/regexp2 v1.4.0
 	github.com/go-chi/chi/v5 v5.0.7
 	github.com/go-chi/cors v1.2.1
 	github.com/go-chi/render v1.0.1
 	github.com/gofrs/uuid v4.2.0+incompatible
+	github.com/google/gopacket v1.1.19
 	github.com/gorilla/websocket v1.5.0
+	github.com/hashicorp/golang-lru v0.5.4
 	github.com/insomniacslk/dhcp v0.0.0-20220504074936-1ca156eafb9f
 	github.com/lucas-clemente/quic-go v0.27.2
+	github.com/lunixbochs/struc v0.0.0-20200707160740-784aaebc1d40
 	github.com/miekg/dns v1.1.49
 	github.com/oschwald/geoip2-golang v1.7.0
 	github.com/sagernet/sing v0.0.0-20220627234642-a817f7084d9c
@@ -18,7 +24,6 @@ require (
 	github.com/sagernet/sing-vmess v0.0.0-20220616051646-3d3fc5d01eec
 	github.com/sirupsen/logrus v1.8.1
 	github.com/stretchr/testify v1.7.2
-	github.com/tobyxdd/hysteria v1.0.4
 	github.com/vishvananda/netlink v1.2.1-beta.2
 	github.com/xtls/go v0.0.0-20210920065950-d4af136d3672
 	go.etcd.io/bbolt v1.3.6
@@ -26,54 +31,37 @@ require (
 	go.uber.org/automaxprocs v1.5.1
 	golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e
 	golang.org/x/exp v0.0.0-20220608143224-64259d1afd70
-	golang.org/x/net v0.0.0-20220607020251-c690dde0001d
+	golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e
 	golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f
-	golang.org/x/sys v0.0.0-20220615213510-4f61da869c0c
+	golang.org/x/sys v0.0.0-20220712014510-0a85c31ab51e
 	golang.org/x/time v0.0.0-20220411224347-583f2d630306
 	golang.zx2c4.com/wireguard v0.0.0-20220601130007-6a08d81f6bc4
 	golang.zx2c4.com/wireguard/windows v0.5.4-0.20220328111914-004c22c5647e
 	google.golang.org/protobuf v1.28.0
 	gopkg.in/yaml.v3 v3.0.1
-	gvisor.dev/gvisor v0.0.0-20220527053002-8ab279227ac8
+	gvisor.dev/gvisor v0.0.0-20220810234332-45096a971e66
 )
 
 replace github.com/vishvananda/netlink => github.com/MetaCubeX/netlink v1.2.0-beta.0.20220529072258-d6853f887820
 
-replace github.com/tobyxdd/hysteria => github.com/MetaCubeX/hysteria v1.0.5-0.20220626134949-6fa84cd3e256
+replace github.com/lucas-clemente/quic-go => github.com/tobyxdd/quic-go v0.28.1-0.20220706211558-7780039ad599
-
-replace github.com/lucas-clemente/quic-go => github.com/tobyxdd/quic-go v0.27.1-0.20220512040129-ed2a645d9218
 
 require (
-	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/cheekybits/genny v1.0.0 // indirect
-	github.com/coreos/go-iptables v0.6.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/fsnotify/fsnotify v1.5.4 // indirect
 	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/google/btree v1.0.1 // indirect
-	github.com/google/gopacket v1.1.19 // indirect
-	github.com/hashicorp/golang-lru v0.5.4 // indirect
 	github.com/klauspost/cpuid/v2 v2.0.12 // indirect
-	github.com/kr/pretty v0.2.1 // indirect
+	github.com/marten-seemann/qpack v0.2.1 // indirect
-	github.com/lunixbochs/struc v0.0.0-20200707160740-784aaebc1d40 // indirect
 	github.com/marten-seemann/qtls-go1-16 v0.1.5 // indirect
-	github.com/marten-seemann/qtls-go1-17 v0.1.1 // indirect
+	github.com/marten-seemann/qtls-go1-17 v0.1.2 // indirect
-	github.com/marten-seemann/qtls-go1-18 v0.1.1 // indirect
+	github.com/marten-seemann/qtls-go1-18 v0.1.2 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/marten-seemann/qtls-go1-19 v0.1.0-beta.1 // indirect
 	github.com/nxadm/tail v1.4.8 // indirect
 	github.com/onsi/ginkgo v1.16.5 // indirect
 	github.com/oschwald/maxminddb-golang v1.9.0 // indirect
-	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_golang v1.12.2 // indirect
-	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.32.1 // indirect
-	github.com/prometheus/procfs v0.7.3 // indirect
-	github.com/txthinking/runnergroup v0.0.0-20210608031112-152c7c4432bf // indirect
-	github.com/txthinking/socks5 v0.0.0-20220212043548-414499347d4a // indirect
-	github.com/txthinking/x v0.0.0-20210326105829-476fab902fbe // indirect
 	github.com/u-root/uio v0.0.0-20220204230159-dac05f7d2cb4 // indirect
 	github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 // indirect
 	golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3 // indirect
@@ -81,6 +69,7 @@ require (
 	golang.org/x/tools v0.1.10 // indirect
 	golang.org/x/xerrors v0.0.0-20220517211312-f3a8303e98df // indirect
 	golang.zx2c4.com/wintun v0.0.0-20211104114900-415007cec224 // indirect
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
 	lukechampine.com/blake3 v1.1.7 // indirect
 )

go.sum

@@ -2,87 +2,38 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 cloud.google.com/go v0.31.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.37.0/go.mod h1:TS1dMSSfndXH133OKGwekG838Om/cQT0BUHV3HcBgoo=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
-cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
-cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
-cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
-cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
-cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
-cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
-cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
-cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
-cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
-cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
-cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
-cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
-cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 dmitri.shuralyov.com/app/changes v0.0.0-20180602232624-0a106ad413e3/go.mod h1:Yl+fi1br7+Rr3LqpNJf1/uxUdtRUV+Tnj0o93V2B9MU=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 dmitri.shuralyov.com/html/belt v0.0.0-20180602232347-f7d459c86be0/go.mod h1:JLBrvjyP0v+ecvNYvCpyZgu5/xkfAUhi6wJj28eUfSU=
 dmitri.shuralyov.com/service/change v0.0.0-20181023043359-a85b471d5412/go.mod h1:a1inKt/atXimZ4Mv927x+r7UpyzRUf4emIoiiSC2TN4=
 dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D6DFvNNtx+9ybjezNCa8XF0xaYcETyp6rHWU=
 git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/MetaCubeX/hysteria v1.0.5-0.20220626134949-6fa84cd3e256 h1:wm5RrQfwJS63pe5G15AKdXfrwlIYFciwCs3MrVxzxSU=
-github.com/MetaCubeX/hysteria v1.0.5-0.20220626134949-6fa84cd3e256/go.mod h1:bXVjOca4Xf3JRenwuPKu02XaOiZwejrMSlgsu/U88J4=
 github.com/MetaCubeX/netlink v1.2.0-beta.0.20220529072258-d6853f887820 h1:fGKWZ25VApYnuPZoNeqdH/nZtHa2XMajwH6Yj/OgoVc=
 github.com/MetaCubeX/netlink v1.2.0-beta.0.20220529072258-d6853f887820/go.mod h1:twkDnbuQxJYemMlGd4JFIcuhgX83tXhKS2B/PRMpOho=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
-github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
-github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
 github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
-github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cheekybits/genny v1.0.0 h1:uGGa4nei+j20rOSeDeP5Of12XVm7TGUd4dJA9RDitfE=
 github.com/cheekybits/genny v1.0.0/go.mod h1:+tQajlRqAUrPI7DOSpB0XAqZYtQakVtB7wXkRAgjxjQ=
-github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/cilium/ebpf v0.9.1 h1:64sn2K3UKw8NbP/blsixRpF3nXuyhz/VjRlRzvlBRu4=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/cilium/ebpf v0.9.1/go.mod h1:+OhNOIXx/Fnu1IE8bJz2dzOA+VSfyTfdNUVdlQnxUFY=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/coreos/go-iptables v0.6.0 h1:is9qnZMPYjLd8LYqmm/qlE+wwEgJIkTYdhV3rfZo4jk=
 github.com/coreos/go-iptables v0.6.0/go.mod h1:Qe8Bv2Xik5FyTXwgIbLAnv2sWSBmvWdFETJConOQ//Q=
 github.com/coreos/go-systemd v0.0.0-20181012123002-c6f51f82210d/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/database64128/tfo-go v1.1.0 h1:VO0polyGNSAmr99nYw9GQeMz7ZOcQ/QbjlTwniHwfTQ=
+github.com/database64128/tfo-go v1.1.0/go.mod h1:95pOT8bnV3P2Lmu9upHNWFHz6dYGJ9cr7pnb0tGQAG8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dlclark/regexp2 v1.4.0 h1:F1rxgk7p4uKjwIQxBs9oAXe5CqrXlCduYEJvrF4u93E=
 github.com/dlclark/regexp2 v1.4.0/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
-github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
-github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fanliao/go-promise v0.0.0-20141029170127-1890db352a72/go.mod h1:PjfxuH4FZdUyfMdtBio2lsRr1AKEaVPwelzuHuh8Lqc=
 github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
 github.com/francoispqt/gojay v1.2.13/go.mod h1:ehT5mTG4ua4581f1++1WLG0vPdaA9HaiDsoyrBGkyDY=
+github.com/frankban/quicktest v1.14.0 h1:+cqqvzZV87b4adx/5ayVOaYZ2CrvM4ejQvUdBzPPUss=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/fsnotify/fsnotify v1.5.4 h1:jRbGcIw6P2Meqdwuo0H1p6JVLbL5DHKAKlYndzMwVZI=
@@ -96,141 +47,90 @@ github.com/go-chi/cors v1.2.1/go.mod h1:sSbTewc+6wYHBBCW7ytsFSn836hqM7JxpglAy2Vz
 github.com/go-chi/render v1.0.1 h1:4/5tis2cKaNdnv9zFLfXzcquC9HbeZgCnxGnKrltBS8=
 github.com/go-chi/render v1.0.1/go.mod h1:pq4Rr7HbnsdaeHagklXub+p6Wd16Af5l9koip1OvJns=
 github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm6/TyX73Q=
-github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY=
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@@ -242,13 +142,8 @@ github.com/mdlayher/raw v0.0.0-20191009151244-50f2db8cc065/go.mod h1:7EpbotpCmVZ
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@@ -270,40 +165,15 @@ github.com/oschwald/geoip2-golang v1.7.0 h1:JW1r5AKi+vv2ujSxjKthySK3jo8w8oKWPyXs
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@@ -334,9 +204,6 @@ github.com/shurcooL/reactions v0.0.0-20181006231557-f2e0b4ca5b82/go.mod h1:TCR1l
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@@ -344,23 +211,15 @@ github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9
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@@ -371,68 +230,33 @@ github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 h1:gga7acRE695AP
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-golang.org/x/tools v0.0.0-20200804011535-6c149bb5ef0d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
-golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
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@@ -646,98 +382,33 @@ golang.zx2c4.com/wireguard/windows v0.5.4-0.20220328111914-004c22c5647e/go.mod h
 google.golang.org/api v0.0.0-20180910000450-7ca32eb868bf/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/api v0.0.0-20181030000543-1d582fd0359e/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
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-google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
-google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
-google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
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 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
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-google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
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 google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
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-gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
@@ -745,7 +416,6 @@ gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWD
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
@@ -753,20 +423,12 @@ gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 grpc.go4.org v0.0.0-20170609214715-11d0a25b4919/go.mod h1:77eQGdRu53HpSqPFJFmuJdjuHRquDANNeA4x7B8WQ9o=
-gvisor.dev/gvisor v0.0.0-20220527053002-8ab279227ac8 h1:K6RgHqNR+9t3sKVsfRFsvXryRL5kL6wtBPU5aPt1jLY=
+gvisor.dev/gvisor v0.0.0-20220810234332-45096a971e66 h1:GrHxpIMY0lHZ3Q8rp3m4iOb0pJsnCQ/5AHaN9SXE69E=
-gvisor.dev/gvisor v0.0.0-20220527053002-8ab279227ac8/go.mod h1:TIvkJD0sxe8pIob3p6T8IzxXunlp6yfgktvTNp+DGNM=
+gvisor.dev/gvisor v0.0.0-20220810234332-45096a971e66/go.mod h1:TIvkJD0sxe8pIob3p6T8IzxXunlp6yfgktvTNp+DGNM=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
-honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 lukechampine.com/blake3 v1.1.7 h1:GgRMhmdsuK8+ii6UZFDL8Nb+VyMwadAgcJyfYHxG6n0=
 lukechampine.com/blake3 v1.1.7/go.mod h1:tkKEOtDkNtklkXtLNEOGNq5tcV90tJiA1vAA12R78LA=
-rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
-rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sourcegraph.com/sourcegraph/go-diff v0.5.0/go.mod h1:kuch7UrkMzY0X+p9CRK03kfuPQ2zzQcaEFbx8wA8rck=
 sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=

hub/executor/executor.go

@@ -2,6 +2,7 @@ package executor
 
 import (
 	"fmt"
+	"github.com/Dreamacro/clash/component/tls"
 	"github.com/Dreamacro/clash/listener/inner"
 	"net/netip"
 	"os"
@@ -72,7 +73,7 @@ func ParseWithBytes(buf []byte) (*config.Config, error) {
 func ApplyConfig(cfg *config.Config, force bool) {
 	mux.Lock()
 	defer mux.Unlock()
-
+	preUpdateExperimental(cfg)
 	updateUsers(cfg.Users)
 	updateProxies(cfg.Proxies, cfg.Providers)
 	updateRules(cfg.Rules, cfg.RuleProviders)
@@ -88,10 +89,6 @@ func ApplyConfig(cfg *config.Config, force bool) {
 	updateTun(cfg.Tun)
 	updateExperimental(cfg)
 
-	// DON'T Delete
-	// ClashX will use this line to determine if the 'Meta' has finished booting
-	log.Infoln("Apply all configs finished.")
-
 	log.SetLevel(cfg.General.LogLevel)
 }
 
@@ -134,6 +131,14 @@ func updateExperimental(c *config.Config) {
 	runtime.GC()
 }
 
+func preUpdateExperimental(c *config.Config) {
+	for _, fingerprint := range c.Experimental.Fingerprints {
+		if err := tls.AddCertFingerprint(fingerprint); err != nil {
+			log.Warnln("fingerprint[%s] is err, %s", fingerprint, err.Error())
+		}
+	}
+}
+
 func updateDNS(c *config.DNS, generalIPv6 bool) {
 	if !c.Enable {
 		resolver.DisableIPv6 = !generalIPv6
@@ -255,6 +260,7 @@ func loadProxyProvider(proxyProviders map[string]provider.ProxyProvider) {
 
 func updateTun(tun *config.Tun) {
 	P.ReCreateTun(tun, tunnel.TCPIn(), tunnel.UDPIn())
+	P.ReCreateRedirToTun(tun.RedirectToTun)
 }
 
 func updateSniffer(sniffer *config.Sniffer) {
@@ -278,7 +284,6 @@ func updateSniffer(sniffer *config.Sniffer) {
 }
 
 func updateGeneral(general *config.General, force bool) {
-	log.SetLevel(general.LogLevel)
 	tunnel.SetMode(general.Mode)
 	tunnel.SetAlwaysFindProcess(general.EnableProcess)
 	dialer.DisableIPv6 = !general.IPv6
@@ -320,12 +325,15 @@ func updateGeneral(general *config.General, force bool) {
 	bindAddress := general.BindAddress
 	P.SetBindAddress(bindAddress)
 
+	P.SetInboundTfo(general.InboundTfo)
+
 	tcpIn := tunnel.TCPIn()
 	udpIn := tunnel.UDPIn()
 
 	P.ReCreateHTTP(general.Port, tcpIn)
 	P.ReCreateSocks(general.SocksPort, tcpIn, udpIn)
 	P.ReCreateRedir(general.RedirPort, tcpIn, udpIn)
+	P.ReCreateAutoRedir(general.EBpf.AutoRedir, tcpIn, udpIn)
 	P.ReCreateTProxy(general.TProxyPort, tcpIn, udpIn)
 	P.ReCreateMixed(general.MixedPort, tcpIn, udpIn)
 }

hub/route/provider.go

@@ -98,8 +98,8 @@ func updateRuleProvider(w http.ResponseWriter, r *http.Request) {
 	if err := provider.Update(); err != nil {
 		render.Status(r, http.StatusServiceUnavailable)
 		render.JSON(w, r, newError(err.Error()))
+		return
 	}
-
 	render.NoContent(w, r)
 }
 

listener/autoredir/tcp.go

@@ -0,0 +1,86 @@
+package autoredir
+
+import (
+	"net"
+	"net/netip"
+
+	"github.com/Dreamacro/clash/adapter/inbound"
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/log"
+	"github.com/Dreamacro/clash/transport/socks5"
+)
+
+type Listener struct {
+	listener   net.Listener
+	addr       string
+	closed     bool
+	lookupFunc func(netip.AddrPort) (socks5.Addr, error)
+}
+
+// RawAddress implements C.Listener
+func (l *Listener) RawAddress() string {
+	return l.addr
+}
+
+// Address implements C.Listener
+func (l *Listener) Address() string {
+	return l.listener.Addr().String()
+}
+
+// Close implements C.Listener
+func (l *Listener) Close() error {
+	l.closed = true
+	return l.listener.Close()
+}
+
+func (l *Listener) TCPAddr() netip.AddrPort {
+	return l.listener.Addr().(*net.TCPAddr).AddrPort()
+}
+
+func (l *Listener) SetLookupFunc(lookupFunc func(netip.AddrPort) (socks5.Addr, error)) {
+	l.lookupFunc = lookupFunc
+}
+
+func (l *Listener) handleRedir(conn net.Conn, in chan<- C.ConnContext) {
+	if l.lookupFunc == nil {
+		log.Errorln("[Auto Redirect] lookup function is nil")
+		return
+	}
+
+	target, err := l.lookupFunc(conn.RemoteAddr().(*net.TCPAddr).AddrPort())
+	if err != nil {
+		log.Warnln("[Auto Redirect] %v", err)
+		_ = conn.Close()
+		return
+	}
+
+	_ = conn.(*net.TCPConn).SetKeepAlive(true)
+
+	in <- inbound.NewSocket(target, conn, C.REDIR)
+}
+
+func New(addr string, in chan<- C.ConnContext) (*Listener, error) {
+	l, err := net.Listen("tcp", addr)
+	if err != nil {
+		return nil, err
+	}
+	rl := &Listener{
+		listener: l,
+		addr:     addr,
+	}
+
+	go func() {
+		for {
+			c, err := l.Accept()
+			if err != nil {
+				if rl.closed {
+					break
+				}
+				continue
+			}
+			go rl.handleRedir(c, in)
+		}
+	}()
+
+	return rl, nil
+}

listener/http/server.go

@@ -1,6 +1,8 @@
 package http
 
 import (
+	"context"
+	"github.com/database64128/tfo-go"
 	"net"
 	"time"
 
@@ -30,12 +32,16 @@ func (l *Listener) Close() error {
 	return l.listener.Close()
 }
 
-func New(addr string, in chan<- C.ConnContext) (*Listener, error) {
+func New(addr string, inboundTfo bool, in chan<- C.ConnContext) (*Listener, error) {
-	return NewWithAuthenticate(addr, in, true)
+	return NewWithAuthenticate(addr, in, true, inboundTfo)
 }
 
-func NewWithAuthenticate(addr string, in chan<- C.ConnContext, authenticate bool) (*Listener, error) {
+func NewWithAuthenticate(addr string, in chan<- C.ConnContext, authenticate bool, inboundTfo bool) (*Listener, error) {
-	l, err := net.Listen("tcp", addr)
+	lc := tfo.ListenConfig{
+		DisableTFO: !inboundTfo,
+	}
+	l, err := lc.Listen(context.Background(), "tcp", addr)
+
 	if err != nil {
 		return nil, err
 	}

listener/listener.go

@@ -2,8 +2,11 @@ package proxy
 
 import (
 	"fmt"
+	"github.com/Dreamacro/clash/component/ebpf"
+	"github.com/Dreamacro/clash/listener/autoredir"
 	"github.com/Dreamacro/clash/listener/inner"
 	"github.com/Dreamacro/clash/listener/tun/ipstack/commons"
+	"golang.org/x/exp/slices"
 	"net"
 	"sort"
 	"strconv"
@@ -26,6 +29,7 @@ var (
 	allowLan    = false
 	bindAddress = "*"
 	lastTunConf *config.Tun
+	inboundTfo  = false
 
 	socksListener     *socks.Listener
 	socksUDPListener  *socks.UDPListener
@@ -37,14 +41,19 @@ var (
 	mixedListener     *mixed.Listener
 	mixedUDPLister    *socks.UDPListener
 	tunStackListener  ipstack.Stack
+	autoRedirListener *autoredir.Listener
+	autoRedirProgram  *ebpf.TcEBpfProgram
+	tcProgram         *ebpf.TcEBpfProgram
 
 	// lock for recreate function
-	socksMux  sync.Mutex
+	socksMux     sync.Mutex
-	httpMux   sync.Mutex
+	httpMux      sync.Mutex
-	redirMux  sync.Mutex
+	redirMux     sync.Mutex
-	tproxyMux sync.Mutex
+	tproxyMux    sync.Mutex
-	mixedMux  sync.Mutex
+	mixedMux     sync.Mutex
-	tunMux    sync.Mutex
+	tunMux       sync.Mutex
+	autoRedirMux sync.Mutex
+	tcMux        sync.Mutex
 )
 
 type Ports struct {
@@ -80,6 +89,10 @@ func SetBindAddress(host string) {
 	bindAddress = host
 }
 
+func SetInboundTfo(itfo bool) {
+	inboundTfo = itfo
+}
+
 func NewInner(tcpIn chan<- C.ConnContext) {
 	inner.New(tcpIn)
 }
@@ -109,7 +122,7 @@ func ReCreateHTTP(port int, tcpIn chan<- C.ConnContext) {
 		return
 	}
 
-	httpListener, err = http.New(addr, tcpIn)
+	httpListener, err = http.New(addr, inboundTfo, tcpIn)
 	if err != nil {
 		log.Errorln("Start HTTP server error: %s", err.Error())
 		return
@@ -160,7 +173,7 @@ func ReCreateSocks(port int, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.P
 		return
 	}
 
-	tcpListener, err := socks.New(addr, tcpIn)
+	tcpListener, err := socks.New(addr, inboundTfo, tcpIn)
 	if err != nil {
 		return
 	}
@@ -310,7 +323,7 @@ func ReCreateMixed(port int, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.P
 		return
 	}
 
-	mixedListener, err = mixed.New(addr, tcpIn)
+	mixedListener, err = mixed.New(addr, inboundTfo, tcpIn)
 	if err != nil {
 		return
 	}
@@ -351,6 +364,93 @@ func ReCreateTun(tunConf *config.Tun, tcpIn chan<- C.ConnContext, udpIn chan<- *
 	lastTunConf = tunConf
 }
 
+func ReCreateRedirToTun(ifaceNames []string) {
+	tcMux.Lock()
+	defer tcMux.Unlock()
+
+	nicArr := ifaceNames
+	slices.Sort(nicArr)
+	nicArr = slices.Compact(nicArr)
+
+	if tcProgram != nil {
+		tcProgram.Close()
+		tcProgram = nil
+	}
+
+	if len(nicArr) == 0 {
+		return
+	}
+
+	if lastTunConf == nil || !lastTunConf.Enable {
+		return
+	}
+
+	program, err := ebpf.NewTcEBpfProgram(nicArr, lastTunConf.Device)
+	if err != nil {
+		log.Errorln("Attached tc ebpf program error: %v", err)
+		return
+	}
+	tcProgram = program
+
+	log.Infoln("Attached tc ebpf program to interfaces %v", tcProgram.RawNICs())
+}
+
+func ReCreateAutoRedir(ifaceNames []string, tcpIn chan<- C.ConnContext, _ chan<- *inbound.PacketAdapter) {
+	autoRedirMux.Lock()
+	defer autoRedirMux.Unlock()
+
+	var err error
+	defer func() {
+		if err != nil {
+			if autoRedirListener != nil {
+				_ = autoRedirListener.Close()
+				autoRedirListener = nil
+			}
+			if autoRedirProgram != nil {
+				autoRedirProgram.Close()
+				autoRedirProgram = nil
+			}
+			log.Errorln("Start auto redirect server error: %s", err.Error())
+		}
+	}()
+
+	nicArr := ifaceNames
+	slices.Sort(nicArr)
+	nicArr = slices.Compact(nicArr)
+
+	if autoRedirListener != nil && autoRedirProgram != nil {
+		_ = autoRedirListener.Close()
+		autoRedirProgram.Close()
+		autoRedirListener = nil
+		autoRedirProgram = nil
+	}
+
+	if len(nicArr) == 0 {
+		return
+	}
+
+	defaultRouteInterfaceName, err := commons.GetAutoDetectInterface()
+	if err != nil {
+		return
+	}
+
+	addr := genAddr("*", C.TcpAutoRedirPort, true)
+
+	autoRedirListener, err = autoredir.New(addr, tcpIn)
+	if err != nil {
+		return
+	}
+
+	autoRedirProgram, err = ebpf.NewRedirEBpfProgram(nicArr, autoRedirListener.TCPAddr().Port(), defaultRouteInterfaceName)
+	if err != nil {
+		return
+	}
+
+	autoRedirListener.SetLookupFunc(autoRedirProgram.Lookup)
+
+	log.Infoln("Auto redirect proxy listening at: %s, attached tc ebpf program to interfaces %v", autoRedirListener.Address(), autoRedirProgram.RawNICs())
+}
+
 // GetPorts return the ports of proxy servers
 func GetPorts() *Ports {
 	ports := &Ports{}

listener/mixed/mixed.go

@@ -1,6 +1,8 @@
 package mixed
 
 import (
+	"context"
+	"github.com/database64128/tfo-go"
 	"net"
 	"time"
 
@@ -36,8 +38,11 @@ func (l *Listener) Close() error {
 	return l.listener.Close()
 }
 
-func New(addr string, in chan<- C.ConnContext) (*Listener, error) {
+func New(addr string, inboundTfo bool, in chan<- C.ConnContext) (*Listener, error) {
-	l, err := net.Listen("tcp", addr)
+	lc := tfo.ListenConfig{
+		DisableTFO: !inboundTfo,
+	}
+	l, err := lc.Listen(context.Background(), "tcp", addr)
 	if err != nil {
 		return nil, err
 	}

listener/socks/tcp.go

@@ -1,6 +1,8 @@
 package socks
 
 import (
+	"context"
+	"github.com/database64128/tfo-go"
 	"io"
 	"net"
 
@@ -34,8 +36,11 @@ func (l *Listener) Close() error {
 	return l.listener.Close()
 }
 
-func New(addr string, in chan<- C.ConnContext) (*Listener, error) {
+func New(addr string, inboundTfo bool, in chan<- C.ConnContext) (*Listener, error) {
-	l, err := net.Listen("tcp", addr)
+	lc := tfo.ListenConfig{
+		DisableTFO: !inboundTfo,
+	}
+	l, err := lc.Listen(context.Background(), "tcp", addr)
 	if err != nil {
 		return nil, err
 	}

listener/tun/device/fdbased/open_linux.go

@@ -1,12 +1,7 @@
 package fdbased
 
 import (
-	"fmt"
-
 	"github.com/Dreamacro/clash/listener/tun/device"
-
-	"gvisor.dev/gvisor/pkg/tcpip/link/fdbased"
-	"gvisor.dev/gvisor/pkg/tcpip/link/rawfile"
 )
 
 func open(fd int, mtu uint32) (device.Device, error) {
@@ -16,17 +11,7 @@ func open(fd int, mtu uint32) (device.Device, error) {
 }
 
 func (f *FD) useEndpoint() error {
-	ep, err := fdbased.New(&fdbased.Options{
+	return f.newLinuxEp()
-		FDs: []int{f.fd},
-		MTU: f.mtu,
-		// TUN only, ignore ethernet header.
-		EthernetHeader: false,
-	})
-	if err != nil {
-		return fmt.Errorf("create endpoint: %w", err)
-	}
-	f.LinkEndpoint = ep
-	return nil
 }
 
 func (f *FD) useIOBased() error {
@@ -34,23 +19,9 @@ func (f *FD) useIOBased() error {
 }
 
 func (f *FD) Read(packet []byte) (int, error) {
-	n, gvErr := rawfile.BlockingRead(f.fd, packet)
+	return f.read(packet)
-	if gvErr != nil {
-		return 0, fmt.Errorf("read error: %s", gvErr.String())
-	}
-
-	return n, nil
 }
 
 func (f *FD) Write(packet []byte) (int, error) {
-	n := len(packet)
+	return f.write(packet)
-	if n == 0 {
-		return 0, nil
-	}
-
-	gvErr := rawfile.NonBlockingWrite(f.fd, packet)
-	if gvErr != nil {
-		return 0, fmt.Errorf("write error: %s", gvErr.String())
-	}
-	return n, nil
 }

listener/tun/device/fdbased/open_linux_gvisor.go

@@ -0,0 +1,45 @@
+//go:build !no_gvisor && (linux || android)
+
+package fdbased
+
+import (
+	"fmt"
+	"gvisor.dev/gvisor/pkg/tcpip/link/fdbased"
+	"gvisor.dev/gvisor/pkg/tcpip/link/rawfile"
+)
+
+func (f *FD) newLinuxEp() error {
+	ep, err := fdbased.New(&fdbased.Options{
+		FDs: []int{f.fd},
+		MTU: f.mtu,
+		// TUN only, ignore ethernet header.
+		EthernetHeader: false,
+	})
+	if err != nil {
+		return fmt.Errorf("create endpoint: %w", err)
+	}
+	f.LinkEndpoint = ep
+	return nil
+}
+
+func (f *FD) read(packet []byte) (int, error) {
+	n, gvErr := rawfile.BlockingRead(f.fd, packet)
+	if gvErr != nil {
+		return 0, fmt.Errorf("read error: %s", gvErr.String())
+	}
+
+	return n, nil
+}
+
+func (f *FD) write(packet []byte) (int, error) {
+	n := len(packet)
+	if n == 0 {
+		return 0, nil
+	}
+
+	gvErr := rawfile.NonBlockingWrite(f.fd, packet)
+	if gvErr != nil {
+		return 0, fmt.Errorf("write error: %s", gvErr.String())
+	}
+	return n, nil
+}

listener/tun/device/fdbased/open_linux_no_gvisor.go

@@ -0,0 +1,19 @@
+//go:build no_gvisor
+
+package fdbased
+
+import (
+	"fmt"
+)
+
+func (f *FD) newLinuxEp() error {
+	return fmt.Errorf("unsupported gvisor on the build")
+}
+
+func (f *FD) read(packet []byte) (int, error) {
+	return 0, fmt.Errorf("unsupported gvisor on the build")
+}
+
+func (f *FD) write(packet []byte) (int, error) {
+	return 0, fmt.Errorf("unsupported gvisor on the build")
+}

listener/tun/device/fdbased/open_others.go

@@ -16,7 +16,7 @@ func open(fd int, mtu uint32) (device.Device, error) {
 }
 
 func (f *FD) useEndpoint() error {
-	return newEp(f)
+	return f.newEpOther()
 }
 
 func (f *FD) useIOBased() error {

listener/tun/device/fdbased/open_others_gvisor.go

@@ -9,7 +9,7 @@ import (
 	"github.com/Dreamacro/clash/listener/tun/device/iobased"
 )
 
-func newEp(f *FD) error {
+func (f *FD) newEpOther() error {
 	ep, err := iobased.New(os.NewFile(uintptr(f.fd), f.Name()), f.mtu, 0)
 	if err != nil {
 		return fmt.Errorf("create endpoint: %w", err)

listener/tun/device/fdbased/open_others_no_gvisor.go

@@ -6,6 +6,6 @@ import (
 	"fmt"
 )
 
-func newEp(f *FD) error {
+func (f *FD) newEpOther() error {
 	return fmt.Errorf("unsupported gvisor on the build")
 }

listener/tun/device/iobased/endpoint.go

@@ -7,11 +7,12 @@ package iobased
 import (
 	"context"
 	"errors"
+	"gvisor.dev/gvisor/pkg/bufferv2"
 	"io"
 	"sync"
 
+	"github.com/Dreamacro/clash/common/pool"
 	"gvisor.dev/gvisor/pkg/tcpip"
-	"gvisor.dev/gvisor/pkg/tcpip/buffer"
 	"gvisor.dev/gvisor/pkg/tcpip/header"
 	"gvisor.dev/gvisor/pkg/tcpip/link/channel"
 	"gvisor.dev/gvisor/pkg/tcpip/stack"
@@ -95,31 +96,44 @@ func (e *Endpoint) dispatchLoop(cancel context.CancelFunc) {
 
 	mtu := int(e.mtu)
 	for {
-		data := make([]byte, mtu)
+		data := pool.Get(mtu)
 
 		n, err := e.rw.Read(data)
 		if err != nil {
+			_ = pool.Put(data)
 			break
 		}
 
 		if n == 0 || n > mtu {
+			_ = pool.Put(data)
 			continue
 		}
 
 		if !e.IsAttached() {
+			_ = pool.Put(data)
 			continue /* unattached, drop packet */
 		}
 
-		pkt := stack.NewPacketBuffer(stack.PacketBufferOptions{
+		var p tcpip.NetworkProtocolNumber
-			Data: buffer.View(data[:n]).ToVectorisedView(),
-		})
-
 		switch header.IPVersion(data) {
 		case header.IPv4Version:
-			e.InjectInbound(header.IPv4ProtocolNumber, pkt)
+			p = header.IPv4ProtocolNumber
 		case header.IPv6Version:
-			e.InjectInbound(header.IPv6ProtocolNumber, pkt)
+			p = header.IPv6ProtocolNumber
+		default:
+			_ = pool.Put(data)
+			continue
 		}
+
+		pkt := stack.NewPacketBuffer(stack.PacketBufferOptions{
+			Payload: bufferv2.MakeWithData(data),
+			OnRelease: func() {
+				_ = pool.Put(data)
+			},
+		})
+
+		e.InjectInbound(p, pkt)
+
 		pkt.DecRef()
 	}
 }
@@ -138,13 +152,14 @@ func (e *Endpoint) outboundLoop(ctx context.Context) {
 
 // writePacket writes outbound packets to the io.Writer.
 func (e *Endpoint) writePacket(pkt *stack.PacketBuffer) tcpip.Error {
-	defer pkt.DecRef()
+	pktView := pkt.ToView()
 
-	size := pkt.Size()
+	defer func() {
-	views := pkt.Views()
+		pktView.Release()
+		pkt.DecRef()
+	}()
 
-	vView := buffer.NewVectorisedView(size, views)
+	if _, err := e.rw.Write(pktView.AsSlice()); err != nil {
-	if _, err := e.rw.Write(vView.ToView()); err != nil {
 		return &tcpip.ErrInvalidEndpointState{}
 	}
 	return nil

listener/tun/ipstack/gvisor/option/option.go

@@ -1,5 +1,3 @@
-//go:build !no_gvisor
-
 package option
 
 import (
@@ -11,6 +9,8 @@ import (
 	"gvisor.dev/gvisor/pkg/tcpip/network/ipv6"
 	"gvisor.dev/gvisor/pkg/tcpip/stack"
 	"gvisor.dev/gvisor/pkg/tcpip/transport/tcp"
+
+	"github.com/Dreamacro/clash/common/pool"
 )
 
 const (
@@ -52,15 +52,15 @@ const (
 	tcpMinBufferSize = tcp.MinBufferSize
 
 	// tcpMaxBufferSize is the maximum permitted size of a send/recv buffer.
-	tcpMaxBufferSize = tcp.MaxBufferSize
+	tcpMaxBufferSize = pool.RelayBufferSize
 
 	// tcpDefaultBufferSize is the default size of the send buffer for
 	// a transport endpoint.
-	tcpDefaultSendBufferSize = tcp.DefaultSendBufferSize
+	tcpDefaultSendBufferSize = pool.RelayBufferSize
 
 	// tcpDefaultReceiveBufferSize is the default size of the receive buffer
 	// for a transport endpoint.
-	tcpDefaultReceiveBufferSize = tcp.DefaultReceiveBufferSize
+	tcpDefaultReceiveBufferSize = pool.RelayBufferSize
 )
 
 type Option func(*stack.Stack) error

listener/tun/ipstack/gvisor/tcp.go

@@ -3,8 +3,10 @@
 package gvisor
 
 import (
+	"net"
 	"time"
 
+	"github.com/Dreamacro/clash/common/pool"
 	"github.com/Dreamacro/clash/listener/tun/ipstack/gvisor/adapter"
 	"github.com/Dreamacro/clash/listener/tun/ipstack/gvisor/option"
 	"github.com/Dreamacro/clash/log"
@@ -20,17 +22,17 @@ import (
 const (
 	// defaultWndSize if set to zero, the default
 	// receive window buffer size is used instead.
-	defaultWndSize = 0
+	defaultWndSize = pool.RelayBufferSize
 
 	// maxConnAttempts specifies the maximum number
 	// of in-flight tcp connection attempts.
-	maxConnAttempts = 2 << 10
+	maxConnAttempts = 1 << 10
 
 	// tcpKeepaliveCount is the maximum number of
 	// TCP keep-alive probes to send before giving up
 	// and killing the connection if no response is
 	// obtained from the other end.
-	tcpKeepaliveCount = 9
+	tcpKeepaliveCount = 8
 
 	// tcpKeepaliveIdle specifies the time a connection
 	// must remain idle before the first TCP keepalive
@@ -66,18 +68,26 @@ func withTCPHandler(handle adapter.TCPHandleFunc) option.Option {
 				r.Complete(true)
 				return
 			}
-			defer r.Complete(false)
 
 			err = setSocketOptions(s, ep)
 			if err != nil {
+				ep.Close()
 				r.Complete(true)
 				return
 			}
+			defer r.Complete(false)
 
 			conn := &tcpConn{
 				TCPConn: gonet.NewTCPConn(&wq, ep),
 				id:      id,
 			}
+
+			if conn.RemoteAddr() == nil {
+				log.Warnln("[STACK] endpoint is not connected, current state: %v", tcp.EndpointState(ep.State()))
+				_ = conn.Close()
+				return
+			}
+
 			handle(conn)
 		})
 		s.SetTransportProtocolHandler(tcp.ProtocolNumber, tcpForwarder.HandlePacket)
@@ -125,3 +135,17 @@ type tcpConn struct {
 func (c *tcpConn) ID() *stack.TransportEndpointID {
 	return &c.id
 }
+
+func (c *tcpConn) LocalAddr() net.Addr {
+	return &net.TCPAddr{
+		IP:   net.IP(c.id.LocalAddress),
+		Port: int(c.id.LocalPort),
+	}
+}
+
+func (c *tcpConn) RemoteAddr() net.Addr {
+	return &net.TCPAddr{
+		IP:   net.IP(c.id.RemoteAddress),
+		Port: int(c.id.RemotePort),
+	}
+}

listener/tun/ipstack/gvisor/udp.go

@@ -49,6 +49,20 @@ func (c *udpConn) ID() *stack.TransportEndpointID {
 	return &c.id
 }
 
+func (c *udpConn) LocalAddr() net.Addr {
+	return &net.UDPAddr{
+		IP:   net.IP(c.id.LocalAddress),
+		Port: int(c.id.LocalPort),
+	}
+}
+
+func (c *udpConn) RemoteAddr() net.Addr {
+	return &net.UDPAddr{
+		IP:   net.IP(c.id.RemoteAddress),
+		Port: int(c.id.RemotePort),
+	}
+}
+
 type packet struct {
 	pc      adapter.UDPConn
 	rAddr   net.Addr

listener/tun/tun_adapter.go

@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"github.com/Dreamacro/clash/adapter/inbound"
 	"github.com/Dreamacro/clash/common/cmd"
-	"github.com/Dreamacro/clash/component/process"
 	"github.com/Dreamacro/clash/config"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/listener/tun/device"
@@ -45,8 +44,6 @@ func New(tunConf *config.Tun, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.
 		tunAddress = netip.MustParsePrefix("198.18.0.1/16")
 	}
 
-	process.AppendLocalIPs(tunAddress.Masked().Addr().Next())
-
 	// open tun device
 	tunDevice, err = parseDevice(devName, uint32(mtu))
 	if err != nil {

rules/common/base.go

@@ -2,10 +2,6 @@ package common
 
 import (
 	"errors"
-	"net/netip"
-	"strings"
-
-	C "github.com/Dreamacro/clash/constant"
 )
 
 var (
@@ -15,15 +11,6 @@ var (
 )
 
 type Base struct {
-	ruleExtra *C.RuleExtra
-}
-
-func (b *Base) RuleExtra() *C.RuleExtra {
-	return b.ruleExtra
-}
-
-func (b *Base) SetRuleExtra(re *C.RuleExtra) {
-	b.ruleExtra = re
 }
 
 func (b *Base) ShouldFindProcess() bool {
@@ -42,47 +29,3 @@ func HasNoResolve(params []string) bool {
 	}
 	return false
 }
-
-func FindNetwork(params []string) C.NetWork {
-	for _, p := range params {
-		if strings.EqualFold(p, "tcp") {
-			return C.TCP
-		} else if strings.EqualFold(p, "udp") {
-			return C.UDP
-		}
-	}
-	return C.ALLNet
-}
-
-func FindSourceIPs(params []string) []*netip.Prefix {
-	var ips []*netip.Prefix
-	for _, p := range params {
-		if p == noResolve || len(p) < 7 {
-			continue
-		}
-		ipnet, err := netip.ParsePrefix(p)
-		if err != nil {
-			continue
-		}
-		ips = append(ips, &ipnet)
-	}
-
-	if len(ips) > 0 {
-		return ips
-	}
-	return nil
-}
-
-func FindProcessName(params []string) []string {
-	var processNames []string
-	for _, p := range params {
-		if strings.HasPrefix(p, "P:") {
-			processNames = append(processNames, strings.TrimPrefix(p, "P:"))
-		}
-	}
-
-	if len(processNames) > 0 {
-		return processNames
-	}
-	return nil
-}

rules/common/domain.go

@@ -9,9 +9,9 @@ import (
 
 type Domain struct {
 	*Base
-	domain    string
+	domain  string
-	rawDomain string
+	adapter string
-	adapter   string
+	isIDNA  bool
 }
 
 func (d *Domain) RuleType() C.RuleType {
@@ -30,16 +30,20 @@ func (d *Domain) Adapter() string {
 }
 
 func (d *Domain) Payload() string {
-	return d.rawDomain
+	domain := d.domain
+	if d.isIDNA {
+		domain, _ = idna.ToUnicode(domain)
+	}
+	return domain
 }
 
 func NewDomain(domain string, adapter string) *Domain {
 	actualDomain, _ := idna.ToASCII(domain)
 	return &Domain{
-		Base:      &Base{},
+		Base:    &Base{},
-		domain:    strings.ToLower(actualDomain),
+		domain:  strings.ToLower(actualDomain),
-		adapter:   adapter,
+		adapter: adapter,
-		rawDomain: domain,
+		isIDNA:  actualDomain != domain,
 	}
 }
 

rules/common/domain_keyword.go

@@ -9,9 +9,9 @@ import (
 
 type DomainKeyword struct {
 	*Base
-	keyword    string
+	keyword string
-	adapter    string
+	adapter string
-	rawKeyword string
+	isIDNA  bool
 }
 
 func (dk *DomainKeyword) RuleType() C.RuleType {
@@ -31,16 +31,20 @@ func (dk *DomainKeyword) Adapter() string {
 }
 
 func (dk *DomainKeyword) Payload() string {
-	return dk.rawKeyword
+	keyword := dk.keyword
+	if dk.isIDNA {
+		keyword, _ = idna.ToUnicode(keyword)
+	}
+	return keyword
 }
 
 func NewDomainKeyword(keyword string, adapter string) *DomainKeyword {
 	actualDomainKeyword, _ := idna.ToASCII(keyword)
 	return &DomainKeyword{
-		Base:       &Base{},
+		Base:    &Base{},
-		keyword:    strings.ToLower(actualDomainKeyword),
+		keyword: strings.ToLower(actualDomainKeyword),
-		adapter:    adapter,
+		adapter: adapter,
-		rawKeyword: keyword,
+		isIDNA:  keyword != actualDomainKeyword,
 	}
 }
 

rules/common/domain_suffix.go

@@ -9,9 +9,9 @@ import (
 
 type DomainSuffix struct {
 	*Base
-	suffix    string
+	suffix  string
-	adapter   string
+	adapter string
-	rawSuffix string
+	isIDNA  bool
 }
 
 func (ds *DomainSuffix) RuleType() C.RuleType {
@@ -31,16 +31,20 @@ func (ds *DomainSuffix) Adapter() string {
 }
 
 func (ds *DomainSuffix) Payload() string {
-	return ds.rawSuffix
+	suffix := ds.suffix
+	if ds.isIDNA {
+		suffix, _ = idna.ToUnicode(suffix)
+	}
+	return suffix
 }
 
 func NewDomainSuffix(suffix string, adapter string) *DomainSuffix {
-	actualDomainKeyword, _ := idna.ToASCII(suffix)
+	actualDomainSuffix, _ := idna.ToASCII(suffix)
 	return &DomainSuffix{
-		Base:      &Base{},
+		Base:    &Base{},
-		suffix:    strings.ToLower(actualDomainKeyword),
+		suffix:  strings.ToLower(actualDomainSuffix),
-		adapter:   adapter,
+		adapter: adapter,
-		rawSuffix: suffix,
+		isIDNA:  suffix != actualDomainSuffix,
 	}
 }
 

rules/common/geoip.go

@@ -71,7 +71,7 @@ func (g *GEOIP) GetRecodeSize() int {
 }
 
 func NewGEOIP(country string, adapter string, noResolveIP bool) (*GEOIP, error) {
-	if !C.GeodataMode {
+	if !C.GeodataMode || strings.EqualFold(country, "LAN") {
 		geoip := &GEOIP{
 			Base:        &Base{},
 			country:     country,

rules/parser.go

@@ -65,13 +65,5 @@ func ParseRule(tp, payload, target string, params []string) (parsed C.Rule, pars
 		return nil, parseErr
 	}
 
-	ruleExtra := &C.RuleExtra{
-		Network:      RC.FindNetwork(params),
-		SourceIPs:    RC.FindSourceIPs(params),
-		ProcessNames: RC.FindProcessName(params),
-	}
-
-	parsed.SetRuleExtra(ruleExtra)
-
 	return
 }