Merge branch 'Beta' into Meta

close #232

.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 }}
 
@@ -34,7 +34,7 @@ jobs:
 
 
       - name: Test
-        if: ${{env.GITHUB_REF_NAME=='Beta'}}
+        if: ${{github.ref_name=='Beta'}}
         run: |
           go test ./...
 
@@ -43,19 +43,19 @@ jobs:
         env:
           NAME: Clash.Meta
           BINDIR: bin
-        run: make -j releases
+        run: make -j$(($(nproc) + 1)) releases
 
       - name: Delete current release assets
         uses: andreaswilli/delete-release-assets-action@v2.0.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          tag: Prerelease-${{env.GITHUB_REF_NAME}}
+          tag: Prerelease-${{ github.ref_name }}
           deleteOnlyFromDrafts: false
 
       - name: Tag Repo
         uses: richardsimko/update-tag@v1
         with:
-          tag_name: Prerelease-${{env.GITHUB_REF_NAME}}
+          tag_name: Prerelease-${{ github.ref_name }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
@@ -63,8 +63,8 @@ jobs:
         uses: softprops/action-gh-release@v1
         if: ${{  success() }}
         with:
-          tag: ${{env.GITHUB_REF_NAME}}
+          tag: ${{ github.ref_name }}
-          tag_name: Prerelease-${{env.GITHUB_REF_NAME}}
+          tag_name: Prerelease-${{ github.ref_name }}
           files: bin/*
           prerelease: true
           generate_release_notes: true

.github/workflows/release.yaml

@@ -33,7 +33,7 @@ jobs:
         env:
           NAME: Clash.Meta
           BINDIR: bin
-        run: make -j releases
+        run: make -j$(($(nproc) + 1)) releases
 
       - name: Upload Release
         uses: softprops/action-gh-release@v1

Dockerfile

@@ -16,7 +16,7 @@ RUN go mod download &&\
 FROM alpine:latest
 LABEL org.opencontainers.image.source="https://github.com/MetaCubeX/Clash.Meta"
 
-RUN apk add --no-cache ca-certificates tzdata
+RUN apk add --no-cache ca-certificates tzdata iptables
 
 VOLUME ["/root/.config/clash/"]
 

Makefile

@@ -5,25 +5,22 @@ ifeq ($(BRANCH),Alpha)
 VERSION=alpha-$(shell git rev-parse --short HEAD)
 else ifeq ($(BRANCH),Beta)
 VERSION=beta-$(shell git rev-parse --short HEAD)
-else ifeq ($(BRANCH),HEAD)
+else ifeq ($(BRANCH),)
 VERSION=$(shell git describe --tags)
 else
-VERSION=unknown
+VERSION=$(shell git rev-parse --short HEAD)
 endif
 
 BUILDTIME=$(shell date -u)
-GOBUILD=CGO_ENABLED=0 go build -trimpath -ldflags '-X "github.com/Dreamacro/clash/constant.Version=$(VERSION)" \
+GOBUILD=CGO_ENABLED=0 go build -tags with_gvisor -trimpath -ldflags '-X "github.com/Dreamacro/clash/constant.Version=$(VERSION)" \
 		-X "github.com/Dreamacro/clash/constant.BuildTime=$(BUILDTIME)" \
 		-w -s -buildid='
 
 PLATFORM_LIST = \
-	darwin-amd64v1 \
+	darwin-amd64 \
-	darwin-amd64v2 \
-	darwin-amd64v3 \
 	darwin-arm64 \
-	linux-amd64v1 \
+	linux-amd64-compatible \
-	linux-amd64v2 \
+	linux-amd64 \
-	linux-amd64v3 \
 	linux-armv5 \
 	linux-armv6 \
 	linux-armv7 \
@@ -41,9 +38,8 @@ PLATFORM_LIST = \
 
 WINDOWS_ARCH_LIST = \
 	windows-386 \
-	windows-amd64v1 \
+	windows-amd64-compatible \
-	windows-amd64v2 \
+	windows-amd64 \
-	windows-amd64v3 \
 	windows-arm64 \
     windows-arm32v7
 
@@ -54,30 +50,24 @@ all:linux-amd64 linux-arm64\
 docker:
 	GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-darwin-amd64v3:
+darwin-amd64:
 	GOARCH=amd64 GOOS=darwin GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-darwin-amd64v2:
+darwin-amd64-compatible:
 	GOARCH=amd64 GOOS=darwin GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-darwin-amd64v1:
-	GOARCH=amd64 GOOS=darwin GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
-
 darwin-arm64:
 	GOARCH=arm64 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
 linux-386:
 	GOARCH=386 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-linux-amd64v3:
+linux-amd64:
 	GOARCH=amd64 GOOS=linux GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-linux-amd64v2:
+linux-amd64-compatible:
 	GOARCH=amd64 GOOS=linux GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-linux-amd64v1:
-	GOARCH=amd64 GOOS=linux GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
-
 linux-arm64:
 	GOARCH=arm64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
@@ -123,15 +113,12 @@ freebsd-arm64:
 windows-386:
 	GOARCH=386 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
-windows-amd64v3:
+windows-amd64:
 	GOARCH=amd64 GOOS=windows GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
-windows-amd64v2:
+windows-amd64-compatible:
 	GOARCH=amd64 GOOS=windows GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
-windows-amd64v1:
-	GOARCH=amd64 GOOS=windows GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
-
 windows-arm64:
 	GOARCH=arm64 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
@@ -160,3 +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 ./...

README.md

@@ -251,8 +251,8 @@ User=clash-meta
 Group=clash-meta
 LimitNPROC=500
 LimitNOFILE=1000000
-CapabilityBoundingSet=cap_net_admin
+CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_RAW CAP_NET_BIND_SERVICE
-AmbientCapabilities=cap_net_admin
+AmbientCapabilities=CAP_NET_ADMIN CAP_NET_RAW CAP_NET_BIND_SERVICE
 Restart=always
 ExecStartPre=/usr/bin/sleep 1s
 ExecStart=/usr/local/bin/Clash-Meta -d /etc/Clash-Meta
@@ -274,7 +274,7 @@ $ systemctl start Clash-Meta
 
 Clash add field `Process` to `Metadata` and prepare to get process name for Restful API `GET /connections`.
 
-To display process name in GUI please use [Dashboard For Meta](https://github.com/Clash-Mini/Dashboard).
+To display process name in GUI please use [Dashboard For Meta](https://github.com/MetaCubeX/clash-dashboard).
 
 ![img.png](https://github.com/Clash-Mini/Dashboard/raw/master/View/Dashboard-Process.png)
 

adapter/adapter.go

@@ -4,17 +4,15 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"github.com/Dreamacro/clash/common/queue"
+	"github.com/Dreamacro/clash/component/dialer"
+	C "github.com/Dreamacro/clash/constant"
 	"net"
 	"net/http"
 	"net/netip"
 	"net/url"
-	"strings"
 	"time"
 
-	"github.com/Dreamacro/clash/common/queue"
-	"github.com/Dreamacro/clash/component/dialer"
-	C "github.com/Dreamacro/clash/constant"
-
 	"go.uber.org/atomic"
 )
 
@@ -41,11 +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
 }
 
@@ -59,7 +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
 }
 
@@ -152,25 +144,32 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
 	}
 
 	client := http.Client{
+		Timeout:   30 * time.Second,
 		Transport: transport,
 		CheckRedirect: func(req *http.Request, via []*http.Request) error {
 			return http.ErrUseLastResponse
 		},
 	}
+
 	defer client.CloseIdleConnections()
+
 	resp, err := client.Do(req)
+
 	if err != nil {
 		return
 	}
 
+	_ = resp.Body.Close()
+
 	if unifiedDelay {
-		start = time.Now()
+		second := time.Now()
 		resp, err = client.Do(req)
-		if err != nil {
+		if err == nil {
-			return
+			_ = resp.Body.Close()
+			start = second
 		}
 	}
-	_ = resp.Body.Close()
+
 	t = uint16(time.Since(start) / time.Millisecond)
 	return
 }

adapter/inbound/https.go

@@ -11,7 +11,7 @@ import (
 // NewHTTPS receive CONNECT request and return ConnContext
 func NewHTTPS(request *http.Request, conn net.Conn) *context.ConnContext {
 	metadata := parseHTTPAddr(request)
-	metadata.Type = C.HTTPCONNECT
+	metadata.Type = C.HTTPS
 	if ip, port, err := parseAddr(conn.RemoteAddr().String()); err == nil {
 		metadata.SrcIP = ip
 		metadata.SrcPort = port

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

@@ -2,24 +2,25 @@ package outbound
 
 import (
 	"context"
-	"crypto/sha1"
-	"encoding/hex"
 	"encoding/json"
 	"errors"
+	"github.com/gofrs/uuid"
 	"net"
-	"regexp"
+	"strings"
 
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 )
 
 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
+	prefer C.DNSPrefer
 }
 
 // Name implements C.ProxyAdapter
@@ -27,6 +28,20 @@ func (b *Base) Name() string {
 	return b.name
 }
 
+// Id implements C.ProxyAdapter
+func (b *Base) Id() string {
+	if b.id == "" {
+		id, err := uuid.NewV6()
+		if err != nil {
+			b.id = b.name
+		} else {
+			b.id = id.String()
+		}
+	}
+
+	return b.id
+}
+
 // Type implements C.ProxyAdapter
 func (b *Base) Type() C.AdapterType {
 	return b.tp
@@ -37,6 +52,10 @@ func (b *Base) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	return c, errors.New("no support")
 }
 
+func (b *Base) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
+	return nil, errors.New("no support")
+}
+
 // ListenPacketContext implements C.ProxyAdapter
 func (b *Base) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
 	return nil, errors.New("no support")
@@ -61,6 +80,7 @@ func (b *Base) SupportUDP() bool {
 func (b *Base) MarshalJSON() ([]byte, error) {
 	return json.Marshal(map[string]string{
 		"type": b.Type().String(),
+		"id":   b.Id(),
 	})
 }
 
@@ -70,7 +90,7 @@ func (b *Base) Addr() string {
 }
 
 // Unwrap implements C.ProxyAdapter
-func (b *Base) Unwrap(metadata *C.Metadata) C.Proxy {
+func (b *Base) Unwrap(metadata *C.Metadata, touch bool) C.Proxy {
 	return nil
 }
 
@@ -84,12 +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 {
@@ -99,22 +132,29 @@ 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,
 	}
 }
 
 type conn struct {
 	net.Conn
-	chain C.Chain
+	chain                   C.Chain
+	actualRemoteDestination string
+}
+
+func (c *conn) RemoteDestination() string {
+	return c.actualRemoteDestination
 }
 
 // Chains implements C.Connection
@@ -128,12 +168,17 @@ func (c *conn) AppendToChains(a C.ProxyAdapter) {
 }
 
 func NewConn(c net.Conn, a C.ProxyAdapter) C.Conn {
-	return &conn{c, []string{a.Name()}}
+	return &conn{c, []string{a.Name()}, parseRemoteDestination(a.Addr())}
 }
 
 type packetConn struct {
 	net.PacketConn
-	chain C.Chain
+	chain                   C.Chain
+	actualRemoteDestination string
+}
+
+func (c *packetConn) RemoteDestination() string {
+	return c.actualRemoteDestination
 }
 
 // Chains implements C.Connection
@@ -147,30 +192,17 @@ func (c *packetConn) AppendToChains(a C.ProxyAdapter) {
 }
 
 func newPacketConn(pc net.PacketConn, a C.ProxyAdapter) C.PacketConn {
-	return &packetConn{pc, []string{a.Name()}}
+	return &packetConn{pc, []string{a.Name()}, parseRemoteDestination(a.Addr())}
 }
 
-func uuidMap(str string) string {
+func parseRemoteDestination(addr string) string {
-	match, _ := regexp.MatchString(`[\da-f]{8}(-[\da-f]{4}){3}-[\da-f]{12}$`, str)
+	if dst, _, err := net.SplitHostPort(addr); err == nil {
-	if !match {
+		return dst
-		var Nil [16]byte
+	} else {
-		h := sha1.New()
+		if addrError, ok := err.(*net.AddrError); ok && strings.Contains(addrError.Err, "missing port") {
-		h.Write(Nil[:])
+			return dst
-		h.Write([]byte(str))
+		} else {
-		u := h.Sum(nil)[:16]
+			return ""
-		u[6] = (u[6] & 0x0f) | (5 << 4)
+		}
-		u[8] = u[8]&(0xff>>2) | (0x02 << 6)
-		buf := make([]byte, 36)
-		hex.Encode(buf[0:8], u[0:4])
-		buf[8] = '-'
-		hex.Encode(buf[9:13], u[4:6])
-		buf[13] = '-'
-		hex.Encode(buf[14:18], u[6:8])
-		buf[18] = '-'
-		hex.Encode(buf[19:23], u[8:10])
-		buf[23] = '-'
-		hex.Encode(buf[24:], u[10:])
-		return string(buf)
 	}
-	return str
 }

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,
 		},
 	}
 }
@@ -50,19 +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,
-	}
-}
-
-func NewPass() *Direct {
-	return &Direct{
-		Base: &Base{
-			name: "PASS",
-			tp:   C.Pass,
-			udp:  true,
 		},
 	}
 }

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

@@ -0,0 +1,332 @@
+package outbound
+
+import (
+	"context"
+	"crypto/sha256"
+	"crypto/tls"
+	"encoding/base64"
+	"encoding/hex"
+	"encoding/pem"
+	"fmt"
+	"net"
+	"os"
+	"regexp"
+	"strconv"
+	"time"
+
+	"github.com/lucas-clemente/quic-go"
+	"github.com/lucas-clemente/quic-go/congestion"
+	M "github.com/sagernet/sing/common/metadata"
+
+	"github.com/Dreamacro/clash/component/dialer"
+	tlsC "github.com/Dreamacro/clash/component/tls"
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/log"
+	hyCongestion "github.com/Dreamacro/clash/transport/hysteria/congestion"
+	"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"
+)
+
+const (
+	mbpsToBps   = 125000
+	minSpeedBPS = 16384
+
+	DefaultStreamReceiveWindow     = 15728640 // 15 MB/s
+	DefaultConnectionReceiveWindow = 67108864 // 64 MB/s
+	DefaultMaxIncomingStreams      = 1024
+
+	DefaultALPN     = "hysteria"
+	DefaultProtocol = "udp"
+)
+
+var rateStringRegexp = regexp.MustCompile(`^(\d+)\s*([KMGT]?)([Bb])ps$`)
+
+type Hysteria struct {
+	*Base
+
+	client *core.Client
+}
+
+func (h *Hysteria) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
+	hdc := hyDialerWithContext{
+		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
+	}
+
+	return NewConn(tcpConn, h), nil
+}
+
+func (h *Hysteria) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
+	hdc := hyDialerWithContext{
+		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)
+		},
+	}
+	udpConn, err := h.client.DialUDP(&hdc)
+	if err != nil {
+		return nil, err
+	}
+	return newPacketConn(&hyPacketConn{udpConn}, h), nil
+}
+
+type HysteriaOption struct {
+	BasicOption
+	Name                string   `proxy:"name"`
+	Server              string   `proxy:"server"`
+	Port                int      `proxy:"port"`
+	Protocol            string   `proxy:"protocol,omitempty"`
+	ObfsProtocol        string   `proxy:"obfs-protocol,omitempty"` // compatible with Stash
+	Up                  string   `proxy:"up"`
+	UpSpeed             int      `proxy:"up-speed,omitempty"` // compatible with Stash
+	Down                string   `proxy:"down"`
+	DownSpeed           int      `proxy:"down-speed,omitempty"` // compatible with Stash
+	Auth                string   `proxy:"auth,omitempty"`
+	AuthString          string   `proxy:"auth_str,omitempty"`
+	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"`
+	ReceiveWindowConn   int      `proxy:"recv_window_conn,omitempty"`
+	ReceiveWindow       int      `proxy:"recv_window,omitempty"`
+	DisableMTUDiscovery bool     `proxy:"disable_mtu_discovery,omitempty"`
+}
+
+func (c *HysteriaOption) Speed() (uint64, uint64, error) {
+	var up, down uint64
+	up = stringToBps(c.Up)
+	if up == 0 {
+		return 0, 0, fmt.Errorf("invaild upload speed: %s", c.Up)
+	}
+
+	down = stringToBps(c.Down)
+	if down == 0 {
+		return 0, 0, fmt.Errorf("invaild download speed: %s", c.Down)
+	}
+
+	return up, down, nil
+}
+
+func NewHysteria(option HysteriaOption) (*Hysteria, error) {
+	clientTransport := &transport.ClientTransport{
+		Dialer: &net.Dialer{
+			Timeout: 8 * time.Second,
+		},
+	}
+
+	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
+	serverName := option.Server
+	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 = option.ALPN
+	} else {
+		tlsConfig.NextProtos = []string{DefaultALPN}
+	}
+
+	quicConfig := &quic.Config{
+		InitialStreamReceiveWindow:     uint64(option.ReceiveWindowConn),
+		MaxStreamReceiveWindow:         uint64(option.ReceiveWindowConn),
+		InitialConnectionReceiveWindow: uint64(option.ReceiveWindow),
+		MaxConnectionReceiveWindow:     uint64(option.ReceiveWindow),
+		KeepAlivePeriod:                10 * time.Second,
+		DisablePathMTUDiscovery:        option.DisableMTUDiscovery,
+		EnableDatagrams:                true,
+	}
+	if option.ObfsProtocol != "" {
+		option.Protocol = option.ObfsProtocol
+	}
+	if option.Protocol == "" {
+		option.Protocol = DefaultProtocol
+	}
+	if option.ReceiveWindowConn == 0 {
+		quicConfig.InitialStreamReceiveWindow = DefaultStreamReceiveWindow / 10
+		quicConfig.MaxStreamReceiveWindow = DefaultStreamReceiveWindow
+	}
+	if option.ReceiveWindow == 0 {
+		quicConfig.InitialConnectionReceiveWindow = DefaultConnectionReceiveWindow / 10
+		quicConfig.MaxConnectionReceiveWindow = DefaultConnectionReceiveWindow
+	}
+	if !quicConfig.DisablePathMTUDiscovery && pmtud_fix.DisablePathMTUDiscovery {
+		log.Infoln("hysteria: Path MTU Discovery is not yet supported on this platform")
+	}
+
+	var auth = []byte(option.AuthString)
+	if option.Auth != "" {
+		auth, err = base64.StdEncoding.DecodeString(option.Auth)
+		if err != nil {
+			return nil, err
+		}
+	}
+	var obfuscator obfs.Obfuscator
+	if len(option.Obfs) > 0 {
+		obfuscator = obfs.NewXPlusObfuscator([]byte(option.Obfs))
+	}
+
+	up, down, err := option.Speed()
+	if err != nil {
+		return nil, err
+	}
+	if option.UpSpeed != 0 {
+		up = uint64(option.UpSpeed * mbpsToBps)
+	}
+	if option.DownSpeed != 0 {
+		down = uint64(option.DownSpeed * mbpsToBps)
+	}
+	client, err := core.NewClient(
+		addr, option.Protocol, auth, tlsConfig, quicConfig, clientTransport, up, down, func(refBPS uint64) congestion.CongestionControl {
+			return hyCongestion.NewBrutalSender(congestion.ByteCount(refBPS))
+		}, obfuscator,
+	)
+	if err != nil {
+		return nil, fmt.Errorf("hysteria %s create error: %w", addr, err)
+	}
+	return &Hysteria{
+		Base: &Base{
+			name:   option.Name,
+			addr:   addr,
+			tp:     C.Hysteria,
+			udp:    true,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
+		},
+		client: client,
+	}, nil
+}
+
+func stringToBps(s string) uint64 {
+	if s == "" {
+		return 0
+	}
+
+	// when have not unit, use Mbps
+	if v, err := strconv.Atoi(s); err == nil {
+		return stringToBps(fmt.Sprintf("%d Mbps", v))
+	}
+
+	m := rateStringRegexp.FindStringSubmatch(s)
+	if m == nil {
+		return 0
+	}
+	var n uint64
+	switch m[2] {
+	case "K":
+		n = 1 << 10
+	case "M":
+		n = 1 << 20
+	case "G":
+		n = 1 << 30
+	case "T":
+		n = 1 << 40
+	default:
+		n = 1
+	}
+	v, _ := strconv.ParseUint(m[1], 10, 64)
+	n = v * n
+	if m[3] == "b" {
+		// Bits, need to convert to bytes
+		n = n >> 3
+	}
+	return n
+}
+
+type hyPacketConn struct {
+	core.UDPConn
+}
+
+func (c *hyPacketConn) ReadFrom(p []byte) (n int, addr net.Addr, err error) {
+	b, addrStr, err := c.UDPConn.ReadFrom()
+	if err != nil {
+		return
+	}
+	n = copy(p, b)
+	addr = M.ParseSocksaddr(addrStr).UDPAddr()
+	return
+}
+
+func (c *hyPacketConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
+	err = c.UDPConn.WriteTo(p, M.SocksaddrFromNet(addr).String())
+	if err != nil {
+		return
+	}
+	n = len(p)
+	return
+}
+
+type hyDialerWithContext struct {
+	hyDialer   func() (net.PacketConn, error)
+	ctx        context.Context
+	remoteAddr func(host string) (net.Addr, error)
+}
+
+func (h *hyDialerWithContext) ListenPacket() (net.PacketConn, error) {
+	return h.hyDialer()
+}
+
+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 +27,21 @@ 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,
+		},
+	}
+}
+
+func NewPass() *Reject {
+	return &Reject{
+		Base: &Base{
+			name:   "PASS",
+			tp:     C.Pass,
+			udp:    true,
+			prefer: C.DualStack,
 		},
 	}
 }

adapter/outbound/shadowsocks.go

@@ -13,14 +13,18 @@ import (
 	obfs "github.com/Dreamacro/clash/transport/simple-obfs"
 	"github.com/Dreamacro/clash/transport/socks5"
 	v2rayObfs "github.com/Dreamacro/clash/transport/v2ray-plugin"
-
+	"github.com/sagernet/sing-shadowsocks"
-	"github.com/Dreamacro/go-shadowsocks2/core"
+	"github.com/sagernet/sing-shadowsocks/shadowimpl"
+	"github.com/sagernet/sing/common/bufio"
+	M "github.com/sagernet/sing/common/metadata"
+	"github.com/sagernet/sing/common/uot"
 )
 
 type ShadowSocks struct {
 	*Base
-	cipher core.Cipher
+	method shadowsocks.Method
 
+	option *ShadowSocksOption
 	// obfs
 	obfsMode    string
 	obfsOption  *simpleObfsOption
@@ -37,6 +41,7 @@ type ShadowSocksOption struct {
 	UDP        bool           `proxy:"udp,omitempty"`
 	Plugin     string         `proxy:"plugin,omitempty"`
 	PluginOpts map[string]any `proxy:"plugin-opts,omitempty"`
+	UDPOverTCP bool           `proxy:"udp-over-tcp,omitempty"`
 }
 
 type simpleObfsOption struct {
@@ -49,6 +54,7 @@ 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"`
@@ -69,9 +75,10 @@ func (ss *ShadowSocks) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, e
 			return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 		}
 	}
-	c = ss.cipher.StreamConn(c)
+	if metadata.NetWork == C.UDP && ss.option.UDPOverTCP {
-	_, err := c.Write(serializesSocksAddr(metadata))
+		return ss.method.DialConn(c, M.ParseSocksaddr(uot.UOTMagicAddress+":443"))
-	return c, err
+	}
+	return ss.method.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
 }
 
 // DialContext implements C.ProxyAdapter
@@ -90,26 +97,43 @@ func (ss *ShadowSocks) DialContext(ctx context.Context, metadata *C.Metadata, op
 
 // ListenPacketContext implements C.ProxyAdapter
 func (ss *ShadowSocks) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
+	if ss.option.UDPOverTCP {
+		tcpConn, err := ss.DialContext(ctx, metadata, opts...)
+		if err != nil {
+			return nil, err
+		}
+		return newPacketConn(uot.NewClientConn(tcpConn), ss), nil
+	}
 	pc, err := dialer.ListenPacket(ctx, "udp", "", ss.Base.DialOptions(opts...)...)
 	if err != nil {
 		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
 	}
+	pc = ss.method.DialPacketConn(&bufio.BindPacketConn{PacketConn: pc, Addr: addr})
+	return newPacketConn(pc, ss), nil
+}
 
-	pc = ss.cipher.PacketConn(pc)
+// ListenPacketOnStreamConn implements C.ProxyAdapter
-	return newPacketConn(&ssPacketConn{PacketConn: pc, rAddr: addr}, ss), nil
+func (ss *ShadowSocks) ListenPacketOnStreamConn(c net.Conn, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	if ss.option.UDPOverTCP {
+		return newPacketConn(uot.NewClientConn(c), ss), nil
+	}
+	return nil, errors.New("no support")
+}
+
+// SupportUOT implements C.ProxyAdapter
+func (ss *ShadowSocks) SupportUOT() bool {
+	return ss.option.UDPOverTCP
 }
 
 func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
-	cipher := option.Cipher
+	method, err := shadowimpl.FetchMethod(option.Cipher, option.Password)
-	password := option.Password
-	ciph, err := core.PickCipher(cipher, nil, password)
 	if err != nil {
 		return nil, fmt.Errorf("ss %s initialize error: %w", addr, err)
 	}
@@ -155,15 +179,17 @@ 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),
 		},
-		cipher: ciph,
+		method: method,
 
+		option:      &option,
 		obfsMode:    obfsMode,
 		v2rayOption: v2rayOption,
 		obfsOption:  obfsOption,

adapter/outbound/shadowsocksr.go

@@ -8,12 +8,11 @@ import (
 
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/transport/shadowsocks/core"
+	"github.com/Dreamacro/clash/transport/shadowsocks/shadowaead"
+	"github.com/Dreamacro/clash/transport/shadowsocks/shadowstream"
 	"github.com/Dreamacro/clash/transport/ssr/obfs"
 	"github.com/Dreamacro/clash/transport/ssr/protocol"
-
-	"github.com/Dreamacro/go-shadowsocks2/core"
-	"github.com/Dreamacro/go-shadowsocks2/shadowaead"
-	"github.com/Dreamacro/go-shadowsocks2/shadowstream"
 )
 
 type ShadowSocksR struct {
@@ -80,7 +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
@@ -144,12 +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

@@ -99,7 +99,13 @@ func (s *Snell) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 	tcpKeepAlive(c)
 	c = streamConn(c, streamOption{s.psk, s.version, s.addr, s.obfsOption})
 
-	return s.ListenPacketOnStreamConn(c, metadata)
+	err = snell.WriteUDPHeader(c, s.version)
+	if err != nil {
+		return nil, err
+	}
+
+	pc := snell.PacketConn(c)
+	return newPacketConn(pc, s), nil
 }
 
 // ListenPacketOnStreamConn implements C.ProxyAdapter
@@ -146,12 +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"
@@ -13,8 +14,6 @@ import (
 	"github.com/Dreamacro/clash/transport/gun"
 	"github.com/Dreamacro/clash/transport/trojan"
 	"github.com/Dreamacro/clash/transport/vless"
-
-	"golang.org/x/net/http2"
 )
 
 type Trojan struct {
@@ -25,7 +24,7 @@ type Trojan struct {
 	// for gun mux
 	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
-	transport    *http2.Transport
+	transport    *gun.TransportWrap
 }
 
 type TrojanOption struct {
@@ -37,6 +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"`
@@ -161,7 +161,13 @@ func (t *Trojan) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 		}
 	}
 
-	return t.ListenPacketOnStreamConn(c, metadata)
+	err = t.instance.WriteHeader(c, trojan.CommandUDP, serializesSocksAddr(metadata))
+	if err != nil {
+		return nil, err
+	}
+
+	pc := t.instance.PacketConn(c)
+	return newPacketConn(pc, t), err
 }
 
 // ListenPacketOnStreamConn implements C.ProxyAdapter
@@ -184,6 +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 {
@@ -202,12 +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,
@@ -230,6 +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 +75,63 @@ 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
+					}
+				}
+			}
+
+			if !ip.IsValid() && fallback.IsValid() {
+				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

@@ -6,6 +6,8 @@ import (
 	"encoding/binary"
 	"errors"
 	"fmt"
+	"github.com/Dreamacro/clash/common/convert"
+	tlsC "github.com/Dreamacro/clash/component/tls"
 	"io"
 	"net"
 	"net/http"
@@ -18,8 +20,6 @@ import (
 	"github.com/Dreamacro/clash/transport/gun"
 	"github.com/Dreamacro/clash/transport/vless"
 	"github.com/Dreamacro/clash/transport/vmess"
-
-	"golang.org/x/net/http2"
 )
 
 const (
@@ -35,7 +35,7 @@ type Vless struct {
 	// for gun mux
 	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
-	transport    *http2.Transport
+	transport    *gun.TransportWrap
 }
 
 type VlessOption struct {
@@ -56,6 +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"`
 }
 
@@ -71,27 +72,39 @@ func (v *Vless) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 			Path:                v.option.WSOpts.Path,
 			MaxEarlyData:        v.option.WSOpts.MaxEarlyData,
 			EarlyDataHeaderName: v.option.WSOpts.EarlyDataHeaderName,
+			Headers:             http.Header{},
 		}
 
 		if len(v.option.WSOpts.Headers) != 0 {
-			header := http.Header{}
 			for key, value := range v.option.WSOpts.Headers {
-				header.Add(key, value)
+				wsOpts.Headers.Add(key, value)
 			}
-			wsOpts.Headers = header
 		}
+		if v.option.TLS {
+			wsOpts.TLS = true
+			tlsConfig := &tls.Config{
+				MinVersion:         tls.VersionTLS12,
+				ServerName:         host,
+				InsecureSkipVerify: v.option.SkipCertVerify,
+				NextProtos:         []string{"http/1.1"},
+			}
 
-		wsOpts.TLS = true
+			if len(v.option.Fingerprint) == 0 {
-		wsOpts.TLSConfig = &tls.Config{
+				wsOpts.TLSConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
-			MinVersion:         tls.VersionTLS12,
+			} else {
-			ServerName:         host,
+				wsOpts.TLSConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint)
-			InsecureSkipVerify: v.option.SkipCertVerify,
+			}
-			NextProtos:         []string{"http/1.1"},
+
-		}
+			if v.option.ServerName != "" {
-		if v.option.ServerName != "" {
+				wsOpts.TLSConfig.ServerName = v.option.ServerName
-			wsOpts.TLSConfig.ServerName = v.option.ServerName
+			} else if host := wsOpts.Headers.Get("Host"); host != "" {
-		} else if host := wsOpts.Headers.Get("Host"); host != "" {
+				wsOpts.TLSConfig.ServerName = 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 = vmess.StreamWebsocketConn(c, wsOpts)
 	case "http":
@@ -148,6 +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 {
@@ -164,6 +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 {
@@ -396,18 +411,19 @@ func NewVless(option VlessOption) (*Vless, error) {
 		}
 	}
 
-	client, err := vless.NewClient(uuidMap(option.UUID), addons, option.FlowShow)
+	client, err := vless.NewClient(option.UUID, addons, option.FlowShow)
 	if err != nil {
 		return nil, err
 	}
 
 	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,
@@ -432,10 +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

@@ -5,18 +5,21 @@ 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/component/dialer"
 	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/gun"
-	"github.com/Dreamacro/clash/transport/vmess"
+	clashVMess "github.com/Dreamacro/clash/transport/vmess"
-
+	"github.com/sagernet/sing-vmess/packetaddr"
-	"golang.org/x/net/http2"
+	M "github.com/sagernet/sing/common/metadata"
 )
 
 type Vmess struct {
@@ -27,30 +30,32 @@ type Vmess struct {
 	// for gun mux
 	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
-	transport    *http2.Transport
+	transport    *gun.TransportWrap
 }
 
 type VmessOption struct {
 	BasicOption
-	Name           string       `proxy:"name"`
+	Name                string       `proxy:"name"`
-	Server         string       `proxy:"server"`
+	Server              string       `proxy:"server"`
-	Port           int          `proxy:"port"`
+	Port                int          `proxy:"port"`
-	UUID           string       `proxy:"uuid"`
+	UUID                string       `proxy:"uuid"`
-	AlterID        int          `proxy:"alterId"`
+	AlterID             int          `proxy:"alterId"`
-	Cipher         string       `proxy:"cipher"`
+	Cipher              string       `proxy:"cipher"`
-	UDP            bool         `proxy:"udp,omitempty"`
+	UDP                 bool         `proxy:"udp,omitempty"`
-	Network        string       `proxy:"network,omitempty"`
+	Network             string       `proxy:"network,omitempty"`
-	TLS            bool         `proxy:"tls,omitempty"`
+	TLS                 bool         `proxy:"tls,omitempty"`
-	SkipCertVerify bool         `proxy:"skip-cert-verify,omitempty"`
+	SkipCertVerify      bool         `proxy:"skip-cert-verify,omitempty"`
-	ServerName     string       `proxy:"servername,omitempty"`
+	Fingerprint         string       `proxy:"fingerprint,omitempty"`
-	HTTPOpts       HTTPOptions  `proxy:"http-opts,omitempty"`
+	ServerName          string       `proxy:"servername,omitempty"`
-	HTTP2Opts      HTTP2Options `proxy:"h2-opts,omitempty"`
+	HTTPOpts            HTTPOptions  `proxy:"http-opts,omitempty"`
-	GrpcOpts       GrpcOptions  `proxy:"grpc-opts,omitempty"`
+	HTTP2Opts           HTTP2Options `proxy:"h2-opts,omitempty"`
-	WSOpts         WSOptions    `proxy:"ws-opts,omitempty"`
+	GrpcOpts            GrpcOptions  `proxy:"grpc-opts,omitempty"`
-
+	WSOpts              WSOptions    `proxy:"ws-opts,omitempty"`
-	// TODO: compatible with VMESS WS older version configurations
+	PacketAddr          bool         `proxy:"packet-addr,omitempty"`
-	WSHeaders map[string]string `proxy:"ws-headers,omitempty"`
+	XUDP                bool         `proxy:"xudp,omitempty"`
-	WSPath    string            `proxy:"ws-path,omitempty"`
+	PacketEncoding      string       `proxy:"packet-encoding,omitempty"`
+	GlobalPadding       bool         `proxy:"global-padding,omitempty"`
+	AuthenticatedLength bool         `proxy:"authenticated-length,omitempty"`
 }
 
 type HTTPOptions struct {
@@ -80,49 +85,52 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	var err error
 	switch v.option.Network {
 	case "ws":
-		if v.option.WSOpts.Path == "" {
-			v.option.WSOpts.Path = v.option.WSPath
-		}
-		if len(v.option.WSOpts.Headers) == 0 {
-			v.option.WSOpts.Headers = v.option.WSHeaders
-		}
 
 		host, port, _ := net.SplitHostPort(v.addr)
-		wsOpts := &vmess.WebsocketConfig{
+		wsOpts := &clashVMess.WebsocketConfig{
 			Host:                host,
 			Port:                port,
 			Path:                v.option.WSOpts.Path,
 			MaxEarlyData:        v.option.WSOpts.MaxEarlyData,
 			EarlyDataHeaderName: v.option.WSOpts.EarlyDataHeaderName,
+			Headers:             http.Header{},
 		}
 
 		if len(v.option.WSOpts.Headers) != 0 {
-			header := http.Header{}
 			for key, value := range v.option.WSOpts.Headers {
-				header.Add(key, value)
+				wsOpts.Headers.Add(key, value)
 			}
-			wsOpts.Headers = header
 		}
 
 		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
 			}
 		}
-		c, err = vmess.StreamWebsocketConn(c, wsOpts)
+		c, err = clashVMess.StreamWebsocketConn(c, wsOpts)
 	case "http":
 		// readability first, so just copy default TLS logic
 		if v.option.TLS {
 			host, _, _ := net.SplitHostPort(v.addr)
-			tlsOpts := &vmess.TLSConfig{
+			tlsOpts := &clashVMess.TLSConfig{
 				Host:           host,
 				SkipCertVerify: v.option.SkipCertVerify,
 			}
@@ -131,24 +139,24 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 				tlsOpts.Host = v.option.ServerName
 			}
 
-			c, err = vmess.StreamTLSConn(c, tlsOpts)
+			c, err = clashVMess.StreamTLSConn(c, tlsOpts)
 			if err != nil {
 				return nil, err
 			}
 		}
 
 		host, _, _ := net.SplitHostPort(v.addr)
-		httpOpts := &vmess.HTTPConfig{
+		httpOpts := &clashVMess.HTTPConfig{
 			Host:    host,
 			Method:  v.option.HTTPOpts.Method,
 			Path:    v.option.HTTPOpts.Path,
 			Headers: v.option.HTTPOpts.Headers,
 		}
 
-		c = vmess.StreamHTTPConn(c, httpOpts)
+		c = clashVMess.StreamHTTPConn(c, httpOpts)
 	case "h2":
 		host, _, _ := net.SplitHostPort(v.addr)
-		tlsOpts := vmess.TLSConfig{
+		tlsOpts := clashVMess.TLSConfig{
 			Host:           host,
 			SkipCertVerify: v.option.SkipCertVerify,
 			NextProtos:     []string{"h2"},
@@ -158,24 +166,24 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 			tlsOpts.Host = v.option.ServerName
 		}
 
-		c, err = vmess.StreamTLSConn(c, &tlsOpts)
+		c, err = clashVMess.StreamTLSConn(c, &tlsOpts)
 		if err != nil {
 			return nil, err
 		}
 
-		h2Opts := &vmess.H2Config{
+		h2Opts := &clashVMess.H2Config{
 			Hosts: v.option.HTTP2Opts.Host,
 			Path:  v.option.HTTP2Opts.Path,
 		}
 
-		c, err = vmess.StreamH2Conn(c, h2Opts)
+		c, err = clashVMess.StreamH2Conn(c, h2Opts)
 	case "grpc":
 		c, err = gun.StreamGunWithConn(c, v.gunTLSConfig, v.gunConfig)
 	default:
 		// handle TLS
 		if v.option.TLS {
 			host, _, _ := net.SplitHostPort(v.addr)
-			tlsOpts := &vmess.TLSConfig{
+			tlsOpts := &clashVMess.TLSConfig{
 				Host:           host,
 				SkipCertVerify: v.option.SkipCertVerify,
 			}
@@ -184,15 +192,22 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 				tlsOpts.Host = v.option.ServerName
 			}
 
-			c, err = vmess.StreamTLSConn(c, tlsOpts)
+			c, err = clashVMess.StreamTLSConn(c, tlsOpts)
 		}
 	}
 
 	if err != nil {
 		return nil, err
 	}
-
+	if metadata.NetWork == C.UDP {
-	return v.client.StreamConn(c, parseVmessAddr(metadata))
+		if v.option.XUDP {
+			return v.client.DialXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+		} else {
+			return v.client.DialPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+		}
+	} else {
+		return v.client.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+	}
 }
 
 // DialContext implements C.ProxyAdapter
@@ -205,7 +220,7 @@ func (v *Vmess) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 		}
 		defer safeConnClose(c, err)
 
-		c, err = v.client.StreamConn(c, parseVmessAddr(metadata))
+		c, err = v.client.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
 		if err != nil {
 			return nil, err
 		}
@@ -235,6 +250,13 @@ func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 		metadata.DstIP = ip
 	}
 
+	if v.option.PacketAddr {
+		_metadata := *metadata // make a copy
+		metadata = &_metadata
+		metadata.Host = packetaddr.SeqPacketMagicAddress
+		metadata.DstPort = "443"
+	}
+
 	var c net.Conn
 	// gun transport
 	if v.transport != nil && len(opts) == 0 {
@@ -244,7 +266,11 @@ func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 		}
 		defer safeConnClose(c, err)
 
-		c, err = v.client.StreamConn(c, parseVmessAddr(metadata))
+		if v.option.XUDP {
+			c, err = v.client.DialXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+		} else {
+			c, err = v.client.DialPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+		}
 	} else {
 		c, err = dialer.DialContext(ctx, "tcp", v.addr, v.Base.DialOptions(opts...)...)
 		if err != nil {
@@ -260,11 +286,21 @@ func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 		return nil, fmt.Errorf("new vmess client error: %v", err)
 	}
 
-	return v.ListenPacketOnStreamConn(c, metadata)
+	if v.option.PacketAddr {
+		return newPacketConn(&threadSafePacketConn{PacketConn: packetaddr.NewBindConn(c)}, v), nil
+	} else if pc, ok := c.(net.PacketConn); ok {
+		return newPacketConn(&threadSafePacketConn{PacketConn: pc}, v), nil
+	}
+	return newPacketConn(&vmessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}, v), nil
 }
 
 // ListenPacketOnStreamConn implements C.ProxyAdapter
 func (v *Vmess) ListenPacketOnStreamConn(c net.Conn, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	if v.option.PacketAddr {
+		return newPacketConn(&threadSafePacketConn{PacketConn: packetaddr.NewBindConn(c)}, v), nil
+	} else if pc, ok := c.(net.PacketConn); ok {
+		return newPacketConn(&threadSafePacketConn{PacketConn: pc}, v), nil
+	}
 	return newPacketConn(&vmessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}, v), nil
 }
 
@@ -275,18 +311,28 @@ func (v *Vmess) SupportUOT() bool {
 
 func NewVmess(option VmessOption) (*Vmess, error) {
 	security := strings.ToLower(option.Cipher)
-	client, err := vmess.NewClient(vmess.Config{
+	var options []vmess.ClientOption
-		UUID:     uuidMap(option.UUID),
+	if option.GlobalPadding {
-		AlterID:  uint16(option.AlterID),
+		options = append(options, vmess.ClientWithGlobalPadding())
-		Security: security,
+	}
-		HostName: option.Server,
+	if option.AuthenticatedLength {
-		Port:     strconv.Itoa(option.Port),
+		options = append(options, vmess.ClientWithAuthenticatedLength())
-		IsAead:   option.AlterID == 0,
+	}
-	})
+	client, err := vmess.NewClient(option.UUID, security, option.AlterID, options...)
 	if err != nil {
 		return nil, err
 	}
 
+	switch option.PacketEncoding {
+	case "packetaddr", "packet":
+		option.PacketAddr = true
+	case "xudp":
+		option.XUDP = true
+	}
+	if option.XUDP {
+		option.PacketAddr = false
+	}
+
 	switch option.Network {
 	case "h2", "grpc":
 		if !option.TLS {
@@ -296,12 +342,13 @@ 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,
@@ -341,44 +388,29 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 		v.gunConfig = gunConfig
 		v.transport = gun.NewHTTP2Client(dialFn, tlsConfig)
 	}
-
 	return v, nil
 }
 
-func parseVmessAddr(metadata *C.Metadata) *vmess.DstAddr {
+type threadSafePacketConn struct {
-	var addrType byte
+	net.PacketConn
-	var addr []byte
+	access sync.Mutex
-	switch metadata.AddrType {
+}
-	case C.AtypIPv4:
-		addrType = byte(vmess.AtypIPv4)
-		addr = make([]byte, net.IPv4len)
-		copy(addr[:], metadata.DstIP.AsSlice())
-	case C.AtypIPv6:
-		addrType = byte(vmess.AtypIPv6)
-		addr = make([]byte, net.IPv6len)
-		copy(addr[:], metadata.DstIP.AsSlice())
-	case C.AtypDomainName:
-		addrType = byte(vmess.AtypDomainName)
-		addr = make([]byte, len(metadata.Host)+1)
-		addr[0] = byte(len(metadata.Host))
-		copy(addr[1:], []byte(metadata.Host))
-	}
 
-	port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
+func (c *threadSafePacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
-	return &vmess.DstAddr{
+	c.access.Lock()
-		UDP:      metadata.NetWork == C.UDP,
+	defer c.access.Unlock()
-		AddrType: addrType,
+	return c.PacketConn.WriteTo(b, addr)
-		Addr:     addr,
-		Port:     uint(port),
-	}
 }
 
 type vmessPacketConn struct {
 	net.Conn
-	rAddr net.Addr
+	rAddr  net.Addr
+	access sync.Mutex
 }
 
 func (uc *vmessPacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
+	uc.access.Lock()
+	defer uc.access.Unlock()
 	return uc.Conn.Write(b)
 }
 

adapter/outboundgroup/fallback.go

@@ -3,21 +3,19 @@ package outboundgroup
 import (
 	"context"
 	"encoding/json"
-	"github.com/Dreamacro/clash/log"
+	"errors"
-	"go.uber.org/atomic"
-	"time"
-
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
+	"time"
 )
 
 type Fallback struct {
 	*GroupBase
-	disableUDP  bool
+	disableUDP bool
-	failedTimes *atomic.Int32
+	testUrl    string
-	failedTime  *atomic.Int64
+	selected   string
 }
 
 func (f *Fallback) Now() string {
@@ -31,10 +29,9 @@ func (f *Fallback) DialContext(ctx context.Context, metadata *C.Metadata, opts .
 	c, err := proxy.DialContext(ctx, metadata, f.Base.DialOptions(opts...)...)
 	if err == nil {
 		c.AppendToChains(f)
-		f.failedTimes.Store(-1)
+		f.onDialSuccess()
-		f.failedTime.Store(-1)
 	} else {
-		f.onDialFailed()
+		f.onDialFailed(proxy.Type(), err)
 	}
 
 	return c, err
@@ -46,41 +43,11 @@ func (f *Fallback) ListenPacketContext(ctx context.Context, metadata *C.Metadata
 	pc, err := proxy.ListenPacketContext(ctx, metadata, f.Base.DialOptions(opts...)...)
 	if err == nil {
 		pc.AppendToChains(f)
-		f.failedTimes.Store(-1)
-		f.failedTime.Store(-1)
-	} else {
-		f.onDialFailed()
 	}
 
 	return pc, err
 }
 
-func (f *Fallback) onDialFailed() {
-	if f.failedTime.Load() == -1 {
-		log.Warnln("%s first failed", f.Name())
-		now := time.Now().UnixMilli()
-		f.failedTime.Store(now)
-		f.failedTimes.Store(1)
-	} else {
-		if f.failedTime.Load()-time.Now().UnixMilli() > 5*time.Second.Milliseconds() {
-			f.failedTimes.Store(-1)
-			f.failedTime.Store(-1)
-		} else {
-			failedCount := f.failedTimes.Inc()
-			log.Warnln("%s failed count: %d", f.Name(), failedCount)
-			if failedCount >= 5 {
-				log.Warnln("because %s failed multiple times, active health check", f.Name())
-				for _, proxyProvider := range f.providers {
-					go proxyProvider.HealthCheck()
-				}
-
-				f.failedTimes.Store(-1)
-				f.failedTime.Store(-1)
-			}
-		}
-	}
-}
-
 // SupportUDP implements C.ProxyAdapter
 func (f *Fallback) SupportUDP() bool {
 	if f.disableUDP {
@@ -105,22 +72,55 @@ func (f *Fallback) MarshalJSON() ([]byte, error) {
 }
 
 // Unwrap implements C.ProxyAdapter
-func (f *Fallback) Unwrap(metadata *C.Metadata) C.Proxy {
+func (f *Fallback) Unwrap(metadata *C.Metadata, touch bool) C.Proxy {
-	proxy := f.findAliveProxy(true)
+	proxy := f.findAliveProxy(touch)
 	return proxy
 }
 
 func (f *Fallback) findAliveProxy(touch bool) C.Proxy {
 	proxies := f.GetProxies(touch)
 	for _, proxy := range proxies {
-		if proxy.Alive() {
+		if len(f.selected) == 0 {
-			return proxy
+			if proxy.Alive() {
+				return proxy
+			}
+		} else {
+			if proxy.Name() == f.selected {
+				if proxy.Alive() {
+					return proxy
+				} else {
+					f.selected = ""
+				}
+			}
 		}
 	}
 
 	return proxies[0]
 }
 
+func (f *Fallback) Set(name string) error {
+	var p C.Proxy
+	for _, proxy := range f.GetProxies(false) {
+		if proxy.Name() == name {
+			p = proxy
+			break
+		}
+	}
+
+	if p == nil {
+		return errors.New("proxy not exist")
+	}
+
+	f.selected = name
+	if !p.Alive() {
+		ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*time.Duration(5000))
+		defer cancel()
+		_, _ = p.URLTest(ctx, f.testUrl)
+	}
+
+	return nil
+}
+
 func NewFallback(option *GroupCommonOption, providers []provider.ProxyProvider) *Fallback {
 	return &Fallback{
 		GroupBase: NewGroupBase(GroupBaseOption{
@@ -133,8 +133,7 @@ func NewFallback(option *GroupCommonOption, providers []provider.ProxyProvider)
 			option.Filter,
 			providers,
 		}),
-		disableUDP:  option.DisableUDP,
+		disableUDP: option.DisableUDP,
-		failedTimes: atomic.NewInt32(-1),
+		testUrl:    option.URL,
-		failedTime:  atomic.NewInt64(-1),
 	}
 }

adapter/outboundgroup/groupbase.go

@@ -1,21 +1,31 @@
 package outboundgroup
 
 import (
+	"context"
+	"fmt"
 	"github.com/Dreamacro/clash/adapter/outbound"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
 	types "github.com/Dreamacro/clash/constant/provider"
+	"github.com/Dreamacro/clash/log"
 	"github.com/Dreamacro/clash/tunnel"
 	"github.com/dlclark/regexp2"
+	"go.uber.org/atomic"
+	"strings"
 	"sync"
+	"time"
 )
 
 type GroupBase struct {
 	*outbound.Base
-	filter    *regexp2.Regexp
+	filterRegs    []*regexp2.Regexp
-	providers []provider.ProxyProvider
+	providers     []provider.ProxyProvider
-	versions  sync.Map // map[string]uint
+	failedTestMux sync.Mutex
-	proxies   sync.Map // map[string][]C.Proxy
+	failedTimes   int
+	failedTime    time.Time
+	failedTesting *atomic.Bool
+	proxies       [][]C.Proxy
+	versions      []atomic.Uint32
 }
 
 type GroupBaseOption struct {
@@ -25,74 +35,216 @@ type GroupBaseOption struct {
 }
 
 func NewGroupBase(opt GroupBaseOption) *GroupBase {
-	var filter *regexp2.Regexp = nil
+	var filterRegs []*regexp2.Regexp
 	if opt.filter != "" {
-		filter = regexp2.MustCompile(opt.filter, 0)
+		for _, filter := range strings.Split(opt.filter, "`") {
+			filterReg := regexp2.MustCompile(filter, 0)
+			filterRegs = append(filterRegs, filterReg)
+		}
 	}
-	return &GroupBase{
+
-		Base:      outbound.NewBase(opt.BaseOption),
+	gb := &GroupBase{
-		filter:    filter,
+		Base:          outbound.NewBase(opt.BaseOption),
-		providers: opt.providers,
+		filterRegs:    filterRegs,
+		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) Touch() {
+	for _, pd := range gb.providers {
+		pd.Touch()
 	}
 }
 
 func (gb *GroupBase) GetProxies(touch bool) []C.Proxy {
-	if gb.filter == nil {
+	if len(gb.filterRegs) == 0 {
 		var proxies []C.Proxy
 		for _, pd := range gb.providers {
 			if touch {
-				proxies = append(proxies, pd.ProxiesWithTouch()...)
+				pd.Touch()
-			} else {
-				proxies = append(proxies, pd.Proxies()...)
 			}
+			proxies = append(proxies, pd.Proxies()...)
 		}
 		if len(proxies) == 0 {
 			return append(proxies, tunnel.Proxies()["COMPATIBLE"])
 		}
 		return proxies
 	}
-	//TODO("Touch Version 没变的")
-	for _, pd := range gb.providers {
-		if pd.VehicleType() == types.Compatible {
-			if touch {
-				gb.proxies.Store(pd.Name(), pd.ProxiesWithTouch())
-			} else {
-				gb.proxies.Store(pd.Name(), pd.Proxies())
-			}
 
-			gb.versions.Store(pd.Name(), pd.Version())
+	for i, pd := range gb.providers {
+		if touch {
+			pd.Touch()
+		}
+
+		if pd.VehicleType() == types.Compatible {
+			gb.versions[i].Store(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].CompareAndSwap(version, pd.Version()) {
 			var (
 				proxies    []C.Proxy
 				newProxies []C.Proxy
 			)
 
-			if touch {
+			proxies = pd.Proxies()
-				proxies = pd.ProxiesWithTouch()
+			proxiesSet := map[string]struct{}{}
-			} else {
+			for _, filterReg := range gb.filterRegs {
-				proxies = pd.Proxies()
+				for _, p := range proxies {
-			}
+					name := p.Name()
-
+					if mat, _ := filterReg.FindStringMatch(name); mat != nil {
-			for _, p := range proxies {
+						if _, ok := proxiesSet[name]; !ok {
-				if mat, _ := gb.filter.FindStringMatch(p.Name()); mat != nil {
+							proxiesSet[name] = struct{}{}
-					newProxies = append(newProxies, p)
+							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"])
 	}
+
+	if len(gb.providers) > 1 && len(gb.filterRegs) > 1 {
+		var newProxies []C.Proxy
+		proxiesSet := map[string]struct{}{}
+		for _, filterReg := range gb.filterRegs {
+			for _, p := range proxies {
+				name := p.Name()
+				if mat, _ := filterReg.FindStringMatch(name); mat != nil {
+					if _, ok := proxiesSet[name]; !ok {
+						proxiesSet[name] = struct{}{}
+						newProxies = append(newProxies, p)
+					}
+				}
+			}
+		}
+		for _, p := range proxies { // add not matched proxies at the end
+			name := p.Name()
+			if _, ok := proxiesSet[name]; !ok {
+				proxiesSet[name] = struct{}{}
+				newProxies = append(newProxies, p)
+			}
+		}
+		proxies = newProxies
+	}
+
 	return proxies
 }
+
+func (gb *GroupBase) URLTest(ctx context.Context, url string) (map[string]uint16, error) {
+	var wg sync.WaitGroup
+	var lock sync.Mutex
+	mp := map[string]uint16{}
+	proxies := gb.GetProxies(false)
+	for _, proxy := range proxies {
+		proxy := proxy
+		wg.Add(1)
+		go func() {
+			delay, err := proxy.URLTest(ctx, url)
+			if err == nil {
+				lock.Lock()
+				mp[proxy.Name()] = delay
+				lock.Unlock()
+			}
+
+			wg.Done()
+		}()
+	}
+	wg.Wait()
+
+	if len(mp) == 0 {
+		return mp, fmt.Errorf("get delay: all proxies timeout")
+	} else {
+		return mp, nil
+	}
+}
+
+func (gb *GroupBase) onDialFailed(adapterType C.AdapterType, err error) {
+	if adapterType == C.Direct || adapterType == C.Compatible || adapterType == C.Reject || adapterType == C.Pass {
+		return
+	}
+
+	if strings.Contains(err.Error(), "connection refused") {
+		go gb.healthCheck()
+		return
+	}
+
+	go func() {
+		gb.failedTestMux.Lock()
+		defer gb.failedTestMux.Unlock()
+
+		gb.failedTimes++
+		if gb.failedTimes == 1 {
+			log.Debugln("ProxyGroup: %s first failed", gb.Name())
+			gb.failedTime = time.Now()
+		} else {
+			if time.Since(gb.failedTime) > gb.failedTimeoutInterval() {
+				gb.failedTimes = 0
+				return
+			}
+
+			log.Debugln("ProxyGroup: %s failed count: %d", gb.Name(), gb.failedTimes)
+			if gb.failedTimes >= gb.maxFailedTimes() {
+				log.Warnln("because %s failed multiple times, active health check", gb.Name())
+				gb.healthCheck()
+			}
+		}
+	}()
+}
+
+func (gb *GroupBase) healthCheck() {
+	if gb.failedTesting.Load() {
+		return
+	}
+
+	gb.failedTesting.Store(true)
+	wg := sync.WaitGroup{}
+	for _, proxyProvider := range gb.providers {
+		wg.Add(1)
+		proxyProvider := proxyProvider
+		go func() {
+			defer wg.Done()
+			proxyProvider.HealthCheck()
+		}()
+	}
+
+	wg.Wait()
+	gb.failedTesting.Store(false)
+	gb.failedTimes = 0
+}
+
+func (gb *GroupBase) failedIntervalTime() int64 {
+	return 5 * time.Second.Milliseconds()
+}
+
+func (gb *GroupBase) onDialSuccess() {
+	if !gb.failedTesting.Load() {
+		gb.failedTimes = 0
+	}
+}
+
+func (gb *GroupBase) maxFailedTimes() int {
+	return 5
+}
+
+func (gb *GroupBase) failedTimeoutInterval() time.Duration {
+	return 5 * time.Second
+}

adapter/outboundgroup/loadbalance.go

@@ -5,7 +5,9 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"github.com/Dreamacro/clash/common/cache"
 	"net"
+	"time"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/common/murmur3"
@@ -27,15 +29,17 @@ 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"
 }
 
 func getKey(metadata *C.Metadata) string {
+	if metadata == nil {
+		return ""
+	}
+
 	if metadata.Host != "" {
 		// ip host
 		if ip := net.ParseIP(metadata.Host); ip != nil {
@@ -54,6 +58,16 @@ func getKey(metadata *C.Metadata) string {
 	return metadata.DstIP.String()
 }
 
+func getKeyWithSrcAndDst(metadata *C.Metadata) string {
+	dst := getKey(metadata)
+	src := ""
+	if metadata != nil {
+		src = metadata.SrcIP.String()
+	}
+
+	return fmt.Sprintf("%s%s", src, dst)
+}
+
 func jumpHash(key uint64, buckets int32) int32 {
 	var b, j int64
 
@@ -68,14 +82,17 @@ func jumpHash(key uint64, buckets int32) int32 {
 
 // DialContext implements C.ProxyAdapter
 func (lb *LoadBalance) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (c C.Conn, err error) {
+	proxy := lb.Unwrap(metadata, true)
+
 	defer func() {
 		if err == nil {
 			c.AppendToChains(lb)
+			lb.onDialSuccess()
+		} else {
+			lb.onDialFailed(proxy.Type(), err)
 		}
 	}()
 
-	proxy := lb.Unwrap(metadata)
-
 	c, err = proxy.DialContext(ctx, metadata, lb.Base.DialOptions(opts...)...)
 	return
 }
@@ -88,7 +105,7 @@ func (lb *LoadBalance) ListenPacketContext(ctx context.Context, metadata *C.Meta
 		}
 	}()
 
-	proxy := lb.Unwrap(metadata)
+	proxy := lb.Unwrap(metadata, true)
 	return proxy.ListenPacketContext(ctx, metadata, lb.Base.DialOptions(opts...)...)
 }
 
@@ -126,19 +143,61 @@ 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]
+	}
+}
+
+func strategyStickySessions() strategyFn {
+	ttl := time.Minute * 10
+	maxRetry := 5
+	lruCache := cache.NewLRUCache[uint64, int](
+		cache.WithAge[uint64, int](int64(ttl.Seconds())),
+		cache.WithSize[uint64, int](1000))
+	return func(proxies []C.Proxy, metadata *C.Metadata) C.Proxy {
+		key := uint64(murmur3.Sum32([]byte(getKeyWithSrcAndDst(metadata))))
+		length := len(proxies)
+		idx, has := lruCache.Get(key)
+		if !has {
+			idx = int(jumpHash(key+uint64(time.Now().UnixNano()), int32(length)))
+		}
+
+		nowIdx := idx
+		for i := 1; i < maxRetry; i++ {
+			proxy := proxies[nowIdx]
+			if proxy.Alive() {
+				if nowIdx != idx {
+					lruCache.Delete(key)
+					lruCache.Set(key, nowIdx)
+				}
+
+				return proxy
+			} else {
+				nowIdx = int(jumpHash(key+uint64(time.Now().UnixNano()), int32(length)))
+			}
+		}
+
+		lruCache.Delete(key)
+		lruCache.Set(key, 0)
 		return proxies[0]
 	}
 }
 
 // Unwrap implements C.ProxyAdapter
-func (lb *LoadBalance) Unwrap(metadata *C.Metadata) C.Proxy {
+func (lb *LoadBalance) Unwrap(metadata *C.Metadata, touch bool) C.Proxy {
-	proxies := lb.GetProxies(true)
+	proxies := lb.GetProxies(touch)
 	return lb.strategyFn(proxies, metadata)
 }
 
 // MarshalJSON implements C.ProxyAdapter
 func (lb *LoadBalance) MarshalJSON() ([]byte, error) {
-	all := []string{}
+	var all []string
 	for _, proxy := range lb.GetProxies(false) {
 		all = append(all, proxy.Name())
 	}
@@ -155,6 +214,8 @@ func NewLoadBalance(option *GroupCommonOption, providers []provider.ProxyProvide
 		strategyFn = strategyConsistentHashing()
 	case "round-robin":
 		strategyFn = strategyRoundRobin()
+	case "sticky-sessions":
+		strategyFn = strategyStickySessions()
 	default:
 		return nil, fmt.Errorf("%w: %s", errStrategy, strategy)
 	}

adapter/outboundgroup/parser.go

@@ -75,8 +75,12 @@ func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, provide
 			providers = append(providers, pd)
 			providersMap[groupName] = pd
 		} else {
-			if groupOption.URL == "" || groupOption.Interval == 0 {
+			if groupOption.URL == "" {
-				return nil, errMissHealthCheck
+				groupOption.URL = "http://www.gstatic.com/generate_204"
+			}
+
+			if groupOption.Interval == 0 {
+				groupOption.Interval = 300
 			}
 
 			hc := provider.NewHealthCheck(ps, groupOption.URL, uint(groupOption.Interval), groupOption.Lazy)

adapter/outboundgroup/relay.go

@@ -153,11 +153,11 @@ func (r *Relay) proxies(metadata *C.Metadata, touch bool) ([]C.Proxy, []C.Proxy)
 	for n, proxy := range rawProxies {
 		proxies = append(proxies, proxy)
 		chainProxies = append(chainProxies, proxy)
-		subproxy := proxy.Unwrap(metadata)
+		subproxy := proxy.Unwrap(metadata, touch)
 		for subproxy != nil {
 			chainProxies = append(chainProxies, subproxy)
 			proxies[n] = subproxy
-			subproxy = subproxy.Unwrap(metadata)
+			subproxy = subproxy.Unwrap(metadata, touch)
 		}
 	}
 
@@ -170,6 +170,11 @@ func (r *Relay) proxies(metadata *C.Metadata, touch bool) ([]C.Proxy, []C.Proxy)
 	return targetProxies, chainProxies
 }
 
+func (r *Relay) Addr() string {
+	proxies, _ := r.proxies(nil, true)
+	return proxies[len(proxies)-1].Addr()
+}
+
 func NewRelay(option *GroupCommonOption, providers []provider.ProxyProvider) *Relay {
 	return &Relay{
 		GroupBase: NewGroupBase(GroupBaseOption{

adapter/outboundgroup/selector.go

@@ -74,8 +74,8 @@ func (s *Selector) Set(name string) error {
 }
 
 // Unwrap implements C.ProxyAdapter
-func (s *Selector) Unwrap(*C.Metadata) C.Proxy {
+func (s *Selector) Unwrap(metadata *C.Metadata, touch bool) C.Proxy {
-	return s.selectedProxy(true)
+	return s.selectedProxy(touch)
 }
 
 func (s *Selector) selectedProxy(touch bool) C.Proxy {

adapter/outboundgroup/urltest.go

@@ -3,8 +3,6 @@ package outboundgroup
 import (
 	"context"
 	"encoding/json"
-	"github.com/Dreamacro/clash/log"
-	"go.uber.org/atomic"
 	"time"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
@@ -24,12 +22,10 @@ func urlTestWithTolerance(tolerance uint16) urlTestOption {
 
 type URLTest struct {
 	*GroupBase
-	tolerance   uint16
+	tolerance  uint16
-	disableUDP  bool
+	disableUDP bool
-	fastNode    C.Proxy
+	fastNode   C.Proxy
-	fastSingle  *singledo.Single[C.Proxy]
+	fastSingle *singledo.Single[C.Proxy]
-	failedTimes *atomic.Int32
-	failedTime  *atomic.Int64
 }
 
 func (u *URLTest) Now() string {
@@ -38,13 +34,13 @@ func (u *URLTest) Now() string {
 
 // DialContext implements C.ProxyAdapter
 func (u *URLTest) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (c C.Conn, err error) {
-	c, err = u.fast(true).DialContext(ctx, metadata, u.Base.DialOptions(opts...)...)
+	proxy := u.fast(true)
+	c, err = proxy.DialContext(ctx, metadata, u.Base.DialOptions(opts...)...)
 	if err == nil {
 		c.AppendToChains(u)
-		u.failedTimes.Store(-1)
+		u.onDialSuccess()
-		u.failedTime.Store(-1)
 	} else {
-		u.onDialFailed()
+		u.onDialFailed(proxy.Type(), err)
 	}
 	return c, err
 }
@@ -54,21 +50,18 @@ func (u *URLTest) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 	pc, err := u.fast(true).ListenPacketContext(ctx, metadata, u.Base.DialOptions(opts...)...)
 	if err == nil {
 		pc.AppendToChains(u)
-		u.failedTimes.Store(-1)
-		u.failedTime.Store(-1)
-	} else {
-		u.onDialFailed()
 	}
+
 	return pc, err
 }
 
 // Unwrap implements C.ProxyAdapter
-func (u *URLTest) Unwrap(*C.Metadata) C.Proxy {
+func (u *URLTest) Unwrap(metadata *C.Metadata, touch bool) C.Proxy {
-	return u.fast(true)
+	return u.fast(touch)
 }
 
 func (u *URLTest) fast(touch bool) C.Proxy {
-	elm, _, _ := u.fastSingle.Do(func() (C.Proxy, error) {
+	elm, _, shared := u.fastSingle.Do(func() (C.Proxy, error) {
 		proxies := u.GetProxies(touch)
 		fast := proxies[0]
 		min := fast.LastDelay()
@@ -97,6 +90,9 @@ func (u *URLTest) fast(touch bool) C.Proxy {
 
 		return u.fastNode, nil
 	})
+	if shared && touch { // a shared fastSingle.Do() may cause providers untouched, so we touch them again
+		u.Touch()
+	}
 
 	return elm
 }
@@ -123,32 +119,6 @@ func (u *URLTest) MarshalJSON() ([]byte, error) {
 	})
 }
 
-func (u *URLTest) onDialFailed() {
-	if u.failedTime.Load() == -1 {
-		log.Warnln("%s first failed", u.Name())
-		now := time.Now().UnixMilli()
-		u.failedTime.Store(now)
-		u.failedTimes.Store(1)
-	} else {
-		if u.failedTime.Load()-time.Now().UnixMilli() > 5*1000 {
-			u.failedTimes.Store(-1)
-			u.failedTime.Store(-1)
-		} else {
-			failedCount := u.failedTimes.Inc()
-			log.Warnln("%s failed count: %d", u.Name(), failedCount)
-			if failedCount >= 5 {
-				log.Warnln("because %s failed multiple times, active health check", u.Name())
-				for _, proxyProvider := range u.providers {
-					go proxyProvider.HealthCheck()
-				}
-
-				u.failedTimes.Store(-1)
-				u.failedTime.Store(-1)
-			}
-		}
-	}
-}
-
 func parseURLTestOption(config map[string]any) []urlTestOption {
 	opts := []urlTestOption{}
 
@@ -171,13 +141,12 @@ func NewURLTest(option *GroupCommonOption, providers []provider.ProxyProvider, o
 				Interface:   option.Interface,
 				RoutingMark: option.RoutingMark,
 			},
+
 			option.Filter,
 			providers,
 		}),
-		fastSingle:  singledo.NewSingle[C.Proxy](time.Second * 10),
+		fastSingle: singledo.NewSingle[C.Proxy](time.Second * 10),
-		disableUDP:  option.DisableUDP,
+		disableUDP: option.DisableUDP,
-		failedTimes: atomic.NewInt32(-1),
-		failedTime:  atomic.NewInt64(-1),
 	}
 
 	for _, option := range options {

adapter/outboundgroup/util.go

@@ -51,3 +51,7 @@ func tcpKeepAlive(c net.Conn) {
 		_ = tcp.SetKeepAlivePeriod(30 * time.Second)
 	}
 }
+
+type SelectAble interface {
+	Set(string) error
+}

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{
@@ -81,6 +81,13 @@ func ParseProxy(mapping map[string]any) (C.Proxy, error) {
 			break
 		}
 		proxy, err = outbound.NewTrojan(*trojanOption)
+	case "hysteria":
+		hyOption := &outbound.HysteriaOption{}
+		err = decoder.Decode(mapping, hyOption)
+		if err != nil {
+			break
+		}
+		proxy, err = outbound.NewHysteria(*hyOption)
 	default:
 		return nil, fmt.Errorf("unsupport proxy type: %s", proxyType)
 	}

adapter/provider/fetcher.go

@@ -1,185 +0,0 @@
-package provider
-
-import (
-	"bytes"
-	"crypto/md5"
-	"os"
-	"path/filepath"
-	"time"
-
-	types "github.com/Dreamacro/clash/constant/provider"
-	"github.com/Dreamacro/clash/log"
-)
-
-var (
-	fileMode os.FileMode = 0o666
-	dirMode  os.FileMode = 0o755
-)
-
-type parser = func([]byte) (any, error)
-
-type fetcher struct {
-	name      string
-	vehicle   types.Vehicle
-	updatedAt *time.Time
-	ticker    *time.Ticker
-	done      chan struct{}
-	hash      [16]byte
-	parser    parser
-	onUpdate  func(any)
-}
-
-func (f *fetcher) Name() string {
-	return f.name
-}
-
-func (f *fetcher) VehicleType() types.VehicleType {
-	return f.vehicle.Type()
-}
-
-func (f *fetcher) Initial() (any, error) {
-	var (
-		buf     []byte
-		err     error
-		isLocal bool
-	)
-	if stat, fErr := os.Stat(f.vehicle.Path()); fErr == nil {
-		buf, err = os.ReadFile(f.vehicle.Path())
-		modTime := stat.ModTime()
-		f.updatedAt = &modTime
-		isLocal = true
-	} else {
-		buf, err = f.vehicle.Read()
-	}
-
-	if err != nil {
-		return nil, err
-	}
-
-	proxies, err := f.parser(buf)
-	if err != nil {
-		if !isLocal {
-			return nil, err
-		}
-
-		// parse local file error, fallback to remote
-		buf, err = f.vehicle.Read()
-		if err != nil {
-			return nil, err
-		}
-
-		proxies, err = f.parser(buf)
-		if err != nil {
-			return nil, err
-		}
-
-		isLocal = false
-	}
-
-	if f.vehicle.Type() != types.File && !isLocal {
-		if err := safeWrite(f.vehicle.Path(), buf); err != nil {
-			return nil, err
-		}
-	}
-
-	f.hash = md5.Sum(buf)
-
-	// pull proxies automatically
-	if f.ticker != nil {
-		go f.pullLoop()
-	}
-
-	return proxies, nil
-}
-
-func (f *fetcher) Update() (any, bool, error) {
-	buf, err := f.vehicle.Read()
-	if err != nil {
-		return nil, false, err
-	}
-
-	now := time.Now()
-	hash := md5.Sum(buf)
-	if bytes.Equal(f.hash[:], hash[:]) {
-		f.updatedAt = &now
-		os.Chtimes(f.vehicle.Path(), now, now)
-		return nil, true, nil
-	}
-
-	proxies, err := f.parser(buf)
-	if err != nil {
-		return nil, false, err
-	}
-
-	if f.vehicle.Type() != types.File {
-		if err := safeWrite(f.vehicle.Path(), buf); err != nil {
-			return nil, false, err
-		}
-	}
-
-	f.updatedAt = &now
-	f.hash = hash
-
-	return proxies, false, nil
-}
-
-func (f *fetcher) Destroy() error {
-	if f.ticker != nil {
-		f.done <- struct{}{}
-	}
-	return nil
-}
-
-func (f *fetcher) pullLoop() {
-	for {
-		select {
-		case <-f.ticker.C:
-			elm, same, err := f.Update()
-			if err != nil {
-				log.Warnln("[Provider] %s pull error: %s", f.Name(), err.Error())
-				continue
-			}
-
-			if same {
-				log.Debugln("[Provider] %s's proxies doesn't change", f.Name())
-				continue
-			}
-
-			log.Infoln("[Provider] %s's proxies update", f.Name())
-			if f.onUpdate != nil {
-				f.onUpdate(elm)
-			}
-		case <-f.done:
-			f.ticker.Stop()
-			return
-		}
-	}
-}
-
-func safeWrite(path string, buf []byte) error {
-	dir := filepath.Dir(path)
-
-	if _, err := os.Stat(dir); os.IsNotExist(err) {
-		if err := os.MkdirAll(dir, dirMode); err != nil {
-			return err
-		}
-	}
-
-	return os.WriteFile(path, buf, fileMode)
-}
-
-func newFetcher(name string, interval time.Duration, vehicle types.Vehicle, parser parser, onUpdate func(any)) *fetcher {
-	var ticker *time.Ticker
-	if interval != 0 {
-		ticker = time.NewTicker(interval)
-	}
-
-	return &fetcher{
-		name:     name,
-		ticker:   ticker,
-		vehicle:  vehicle,
-		parser:   parser,
-		done:     make(chan struct{}, 1),
-		onUpdate: onUpdate,
-	}
-}

adapter/provider/healthcheck.go

@@ -5,8 +5,11 @@ import (
 	"time"
 
 	"github.com/Dreamacro/clash/common/batch"
+	"github.com/Dreamacro/clash/common/singledo"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/log"
 
+	"github.com/gofrs/uuid"
 	"go.uber.org/atomic"
 )
 
@@ -26,25 +29,21 @@ type HealthCheck struct {
 	lazy      bool
 	lastTouch *atomic.Int64
 	done      chan struct{}
+	singleDo  *singledo.Single[struct{}]
 }
 
 func (hc *HealthCheck) process() {
 	ticker := time.NewTicker(time.Duration(hc.interval) * time.Second)
 
 	go func() {
-		t := time.NewTicker(30 * time.Second)
+		time.Sleep(30 * time.Second)
-		<-t.C
+		hc.lazyCheck()
-		t.Stop()
-		hc.check()
 	}()
 
 	for {
 		select {
 		case <-ticker.C:
-			now := time.Now().Unix()
+			hc.lazyCheck()
-			if !hc.lazy || now-hc.lastTouch.Load() < int64(hc.interval) {
-				hc.check()
-			}
 		case <-hc.done:
 			ticker.Stop()
 			return
@@ -52,6 +51,17 @@ func (hc *HealthCheck) process() {
 	}
 }
 
+func (hc *HealthCheck) lazyCheck() bool {
+	now := time.Now().Unix()
+	if !hc.lazy || now-hc.lastTouch.Load() < int64(hc.interval) {
+		hc.check()
+		return true
+	} else {
+		log.Debugln("Skip once health check because we are lazy")
+		return false
+	}
+}
+
 func (hc *HealthCheck) setProxy(proxies []C.Proxy) {
 	hc.proxies = proxies
 }
@@ -65,17 +75,29 @@ func (hc *HealthCheck) touch() {
 }
 
 func (hc *HealthCheck) check() {
-	b, _ := batch.New[bool](context.Background(), batch.WithConcurrencyNum[bool](10))
+	_, _, _ = hc.singleDo.Do(func() (struct{}, error) {
-	for _, proxy := range hc.proxies {
+		id := ""
-		p := proxy
+		if uid, err := uuid.NewV4(); err == nil {
-		b.Go(p.Name(), func() (bool, error) {
+			id = uid.String()
-			ctx, cancel := context.WithTimeout(context.Background(), defaultURLTestTimeout)
+		}
-			defer cancel()
+		log.Debugln("Start New Health Checking {%s}", id)
-			_, _ = p.URLTest(ctx, hc.url)
+		b, _ := batch.New[bool](context.Background(), batch.WithConcurrencyNum[bool](10))
-			return false, nil
+		for _, proxy := range hc.proxies {
-		})
+			p := proxy
-	}
+			b.Go(p.Name(), func() (bool, error) {
-	b.Wait()
+				ctx, cancel := context.WithTimeout(context.Background(), defaultURLTestTimeout)
+				defer cancel()
+				log.Debugln("Health Checking %s {%s}", p.Name(), id)
+				_, _ = p.URLTest(ctx, hc.url)
+				log.Debugln("Health Checked %s : %t %d ms {%s}", p.Name(), p.Alive(), p.LastDelay(), id)
+				return false, nil
+			})
+		}
+
+		b.Wait()
+		log.Debugln("Finish A Health Checking {%s}", id)
+		return struct{}{}, nil
+	})
 }
 
 func (hc *HealthCheck) close() {
@@ -90,5 +112,6 @@ func NewHealthCheck(proxies []C.Proxy, url string, interval uint, lazy bool) *He
 		lazy:      lazy,
 		lastTouch: atomic.NewInt64(0),
 		done:      make(chan struct{}, 1),
+		singleDo:  singledo.NewSingle[struct{}](time.Second),
 	}
 }

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"
@@ -20,12 +21,13 @@ type healthCheckSchema struct {
 }
 
 type proxyProviderSchema struct {
-	Type        string            `provider:"type"`
+	Type          string            `provider:"type"`
-	Path        string            `provider:"path"`
+	Path          string            `provider:"path"`
-	URL         string            `provider:"url,omitempty"`
+	URL           string            `provider:"url,omitempty"`
-	Interval    int               `provider:"interval,omitempty"`
+	Interval      int               `provider:"interval,omitempty"`
-	Filter      string            `provider:"filter,omitempty"`
+	Filter        string            `provider:"filter,omitempty"`
-	HealthCheck healthCheckSchema `provider:"health-check,omitempty"`
+	ExcludeFilter string            `provider:"exclude-filter,omitempty"`
+	HealthCheck   healthCheckSchema `provider:"health-check,omitempty"`
 }
 
 func ParseProxyProvider(name string, mapping map[string]any) (types.ProxyProvider, error) {
@@ -51,14 +53,15 @@ 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)
 	}
 
 	interval := time.Duration(uint(schema.Interval)) * time.Second
 	filter := schema.Filter
-	return NewProxySetProvider(name, interval, filter, vehicle, hc)
+	excludeFilter := schema.ExcludeFilter
+	return NewProxySetProvider(name, interval, filter, excludeFilter, vehicle, hc)
 }

adapter/provider/provider.go

@@ -4,16 +4,18 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"github.com/Dreamacro/clash/common/convert"
+	"github.com/Dreamacro/clash/component/resource"
 	"github.com/dlclark/regexp2"
-	"math"
 	"runtime"
+	"strings"
 	"time"
 
 	"github.com/Dreamacro/clash/adapter"
 	C "github.com/Dreamacro/clash/constant"
 	types "github.com/Dreamacro/clash/constant/provider"
 
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 const (
@@ -24,20 +26,16 @@ type ProxySchema struct {
 	Proxies []map[string]any `yaml:"proxies"`
 }
 
-// for auto gc
+// ProxySetProvider for auto gc
 type ProxySetProvider struct {
 	*proxySetProvider
 }
 
 type proxySetProvider struct {
-	*fetcher
+	*resource.Fetcher[[]C.Proxy]
 	proxies     []C.Proxy
 	healthCheck *HealthCheck
-	version     uint
+	version     uint32
-}
-
-func (pp *proxySetProvider) Version() uint {
-	return pp.version
 }
 
 func (pp *proxySetProvider) MarshalJSON() ([]byte, error) {
@@ -46,13 +44,16 @@ func (pp *proxySetProvider) MarshalJSON() ([]byte, error) {
 		"type":        pp.Type().String(),
 		"vehicleType": pp.VehicleType().String(),
 		"proxies":     pp.Proxies(),
-		//TODO maybe error because year value overflow
+		"updatedAt":   pp.UpdatedAt,
-		"updatedAt": pp.updatedAt,
 	})
 }
 
+func (pp *proxySetProvider) Version() uint32 {
+	return pp.version
+}
+
 func (pp *proxySetProvider) Name() string {
-	return pp.name
+	return pp.Fetcher.Name()
 }
 
 func (pp *proxySetProvider) HealthCheck() {
@@ -60,24 +61,19 @@ 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)
-	if pp.healthCheck.auto() {
-		go pp.healthCheck.process()
-	}
-
 	return nil
 }
 
@@ -89,30 +85,39 @@ func (pp *proxySetProvider) Proxies() []C.Proxy {
 	return pp.proxies
 }
 
-func (pp *proxySetProvider) ProxiesWithTouch() []C.Proxy {
+func (pp *proxySetProvider) Touch() {
 	pp.healthCheck.touch()
-	return pp.Proxies()
 }
 
 func (pp *proxySetProvider) setProxies(proxies []C.Proxy) {
 	pp.proxies = proxies
 	pp.healthCheck.setProxy(proxies)
 	if pp.healthCheck.auto() {
-		go pp.healthCheck.check()
+		defer func() { go pp.healthCheck.lazyCheck() }()
 	}
-
 }
 
 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) {
+func NewProxySetProvider(name string, interval time.Duration, filter string, excludeFilter string, vehicle types.Vehicle, hc *HealthCheck) (*ProxySetProvider, error) {
-	//filterReg, err := regexp.Compile(filter)
+	excludeFilterReg, err := regexp2.Compile(excludeFilter, 0)
-	filterReg, err := regexp2.Compile(filter, 0)
 	if err != nil {
-		return nil, fmt.Errorf("invalid filter regex: %w", err)
+		return nil, fmt.Errorf("invalid excludeFilter regex: %w", err)
+	}
+	var filterRegs []*regexp2.Regexp
+	for _, filter := range strings.Split(filter, "`") {
+		filterReg, err := regexp2.Compile(filter, 0)
+		if err != nil {
+			return nil, fmt.Errorf("invalid filter regex: %w", err)
+		}
+		filterRegs = append(filterRegs, filterReg)
+	}
+
+	if hc.auto() {
+		go hc.process()
 	}
 
 	pd := &proxySetProvider{
@@ -120,60 +125,15 @@ func NewProxySetProvider(name string, interval time.Duration, filter string, veh
 		healthCheck: hc,
 	}
 
-	onUpdate := func(elm any) {
+	fetcher := resource.NewFetcher[[]C.Proxy](name, interval, vehicle, proxiesParseAndFilter(filter, excludeFilter, filterRegs, excludeFilterReg), proxiesOnUpdate(pd))
-		ret := elm.([]C.Proxy)
+	pd.Fetcher = fetcher
-		pd.setProxies(ret)
-		if pd.version == math.MaxUint {
-			pd.version = 0
-		} else {
-			pd.version++
-		}
-	}
-
-	proxiesParseAndFilter := func(buf []byte) (any, error) {
-		schema := &ProxySchema{}
-
-		if err := yaml.Unmarshal(buf, schema); err != nil {
-			return nil, err
-		}
-
-		if schema.Proxies == nil {
-			return nil, errors.New("file must have a `proxies` field")
-		}
-
-		proxies := []C.Proxy{}
-		for idx, mapping := range schema.Proxies {
-			name, ok := mapping["name"]
-			mat, _ := filterReg.FindStringMatch(name.(string))
-			if ok && len(filter) > 0 && mat == nil {
-				continue
-			}
-			proxy, err := adapter.ParseProxy(mapping)
-			if err != nil {
-				return nil, fmt.Errorf("proxy %d error: %w", idx, err)
-			}
-			proxies = append(proxies, proxy)
-		}
-
-		if len(proxies) == 0 {
-			if len(filter) > 0 {
-				return nil, errors.New("doesn't match any proxy, please check your filter")
-			}
-			return nil, errors.New("file doesn't have any proxy")
-		}
-
-		return proxies, nil
-	}
-
-	fetcher := newFetcher(name, interval, vehicle, proxiesParseAndFilter, onUpdate)
-	pd.fetcher = fetcher
 
 	wrapper := &ProxySetProvider{pd}
 	runtime.SetFinalizer(wrapper, stopProxyProvider)
 	return wrapper, nil
 }
 
-// for auto gc
+// CompatibleProvider for auto gc
 type CompatibleProvider struct {
 	*compatibleProvider
 }
@@ -182,11 +142,7 @@ type compatibleProvider struct {
 	name        string
 	healthCheck *HealthCheck
 	proxies     []C.Proxy
-	version     uint
+	version     uint32
-}
-
-func (cp *compatibleProvider) Version() uint {
-	return cp.version
 }
 
 func (cp *compatibleProvider) MarshalJSON() ([]byte, error) {
@@ -198,6 +154,10 @@ func (cp *compatibleProvider) MarshalJSON() ([]byte, error) {
 	})
 }
 
+func (cp *compatibleProvider) Version() uint32 {
+	return cp.version
+}
+
 func (cp *compatibleProvider) Name() string {
 	return cp.name
 }
@@ -211,10 +171,6 @@ func (cp *compatibleProvider) Update() error {
 }
 
 func (cp *compatibleProvider) Initial() error {
-	if cp.healthCheck.auto() {
-		go cp.healthCheck.process()
-	}
-
 	return nil
 }
 
@@ -230,9 +186,8 @@ func (cp *compatibleProvider) Proxies() []C.Proxy {
 	return cp.proxies
 }
 
-func (cp *compatibleProvider) ProxiesWithTouch() []C.Proxy {
+func (cp *compatibleProvider) Touch() {
 	cp.healthCheck.touch()
-	return cp.Proxies()
 }
 
 func stopCompatibleProvider(pd *CompatibleProvider) {
@@ -244,6 +199,10 @@ func NewCompatibleProvider(name string, proxies []C.Proxy, hc *HealthCheck) (*Co
 		return nil, errors.New("provider need one proxy at least")
 	}
 
+	if hc.auto() {
+		go hc.process()
+	}
+
 	pd := &compatibleProvider{
 		name:        name,
 		proxies:     proxies,
@@ -254,3 +213,71 @@ func NewCompatibleProvider(name string, proxies []C.Proxy, hc *HealthCheck) (*Co
 	runtime.SetFinalizer(wrapper, stopCompatibleProvider)
 	return wrapper, nil
 }
+
+func proxiesOnUpdate(pd *proxySetProvider) func([]C.Proxy) {
+	return func(elm []C.Proxy) {
+		pd.setProxies(elm)
+		pd.version += 1
+	}
+}
+
+func proxiesParseAndFilter(filter string, excludeFilter string, filterRegs []*regexp2.Regexp, excludeFilterReg *regexp2.Regexp) resource.Parser[[]C.Proxy] {
+	return func(buf []byte) ([]C.Proxy, error) {
+		schema := &ProxySchema{}
+
+		if err := yaml.Unmarshal(buf, schema); err != nil {
+			proxies, err1 := convert.ConvertsV2Ray(buf)
+			if err1 != nil {
+				return nil, fmt.Errorf("%s, %w", err.Error(), err1)
+			}
+			schema.Proxies = proxies
+		}
+
+		if schema.Proxies == nil {
+			return nil, errors.New("file must have a `proxies` field")
+		}
+
+		proxies := []C.Proxy{}
+		proxiesSet := map[string]struct{}{}
+		for _, filterReg := range filterRegs {
+			for idx, mapping := range schema.Proxies {
+				mName, ok := mapping["name"]
+				if !ok {
+					continue
+				}
+				name, ok := mName.(string)
+				if !ok {
+					continue
+				}
+				if len(excludeFilter) > 0 {
+					if mat, _ := excludeFilterReg.FindStringMatch(name); mat != nil {
+						continue
+					}
+				}
+				if len(filter) > 0 {
+					if mat, _ := filterReg.FindStringMatch(name); mat == nil {
+						continue
+					}
+				}
+				if _, ok := proxiesSet[name]; ok {
+					continue
+				}
+				proxy, err := adapter.ParseProxy(mapping)
+				if err != nil {
+					return nil, fmt.Errorf("proxy %d error: %w", idx, err)
+				}
+				proxiesSet[name] = struct{}{}
+				proxies = append(proxies, proxy)
+			}
+		}
+
+		if len(proxies) == 0 {
+			if len(filter) > 0 {
+				return nil, errors.New("doesn't match any proxy, please check your filter")
+			}
+			return nil, errors.New("file doesn't have any proxy")
+		}
+
+		return proxies, nil
+	}
+}

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

@@ -0,0 +1,387 @@
+package convert
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+// ConvertsV2Ray convert V2Ray subscribe proxies data to clash proxies config
+func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
+	data := DecodeBase64(buf)
+
+	arr := strings.Split(string(data), "\n")
+
+	proxies := make([]map[string]any, 0, len(arr))
+	names := make(map[string]int, 200)
+
+	for _, line := range arr {
+		line = strings.TrimRight(line, " \r")
+		if line == "" {
+			continue
+		}
+
+		scheme, body, found := strings.Cut(line, "://")
+		if !found {
+			continue
+		}
+
+		scheme = strings.ToLower(scheme)
+		switch scheme {
+		case "hysteria":
+			urlHysteria, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			query := urlHysteria.Query()
+			name := uniqueName(names, urlHysteria.Fragment)
+			hysteria := make(map[string]any, 20)
+
+			hysteria["name"] = name
+			hysteria["type"] = scheme
+			hysteria["server"] = urlHysteria.Hostname()
+			hysteria["port"] = urlHysteria.Port()
+			hysteria["sni"] = query.Get("peer")
+			hysteria["obfs"] = query.Get("obfs")
+			hysteria["alpn"] = []string{query.Get("alpn")}
+			hysteria["auth_str"] = query.Get("auth")
+			hysteria["protocol"] = query.Get("protocol")
+			up := query.Get("up")
+			down := query.Get("down")
+			if up == "" {
+				up = query.Get("upmbps")
+			}
+			if down == "" {
+				down = query.Get("downmbps")
+			}
+			hysteria["down"] = down
+			hysteria["up"] = up
+			hysteria["skip-cert-verify"], _ = strconv.ParseBool(query.Get("insecure"))
+
+			proxies = append(proxies, hysteria)
+
+		case "trojan":
+			urlTrojan, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			query := urlTrojan.Query()
+
+			name := uniqueName(names, urlTrojan.Fragment)
+			trojan := make(map[string]any, 20)
+
+			trojan["name"] = name
+			trojan["type"] = scheme
+			trojan["server"] = urlTrojan.Hostname()
+			trojan["port"] = urlTrojan.Port()
+			trojan["password"] = urlTrojan.User.Username()
+			trojan["udp"] = true
+			trojan["skip-cert-verify"] = false
+
+			sni := query.Get("sni")
+			if sni != "" {
+				trojan["sni"] = sni
+			}
+
+			network := strings.ToLower(query.Get("type"))
+			if network != "" {
+				trojan["network"] = network
+			}
+
+			switch network {
+			case "ws":
+				headers := make(map[string]any)
+				wsOpts := make(map[string]any)
+
+				headers["User-Agent"] = RandUserAgent()
+
+				wsOpts["path"] = query.Get("path")
+				wsOpts["headers"] = headers
+
+				trojan["ws-opts"] = wsOpts
+
+			case "grpc":
+				grpcOpts := make(map[string]any)
+				grpcOpts["grpc-service-name"] = query.Get("serviceName")
+				trojan["grpc-opts"] = grpcOpts
+			}
+
+			proxies = append(proxies, trojan)
+
+		case "vless":
+			urlVLess, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+			query := urlVLess.Query()
+			vless := make(map[string]any, 20)
+			handleVShareLink(names, urlVLess, scheme, vless)
+			if flow := query.Get("flow"); flow != "" {
+				vless["flow"] = strings.ToLower(flow)
+			}
+			proxies = append(proxies, vless)
+
+		case "vmess":
+			// 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
+				}
+				if packetEncoding := query.Get("packetEncoding"); packetEncoding != "" {
+					switch packetEncoding {
+					case "packet":
+						vmess["packet-addr"] = true
+					case "xudp":
+						vmess["xudp"] = true
+					}
+				}
+				proxies = append(proxies, vmess)
+				continue
+			}
+
+			jsonDc := json.NewDecoder(bytes.NewReader(dcBuf))
+			values := make(map[string]any, 20)
+
+			if jsonDc.Decode(&values) != nil {
+				continue
+			}
+
+			name := uniqueName(names, values["ps"].(string))
+			vmess := make(map[string]any, 20)
+
+			vmess["name"] = name
+			vmess["type"] = scheme
+			vmess["server"] = values["add"]
+			vmess["port"] = values["port"]
+			vmess["uuid"] = values["id"]
+			if alterId, ok := values["aid"]; ok {
+				vmess["alterId"] = alterId
+			} else {
+				vmess["alterId"] = 0
+			}
+			vmess["udp"] = true
+			vmess["tls"] = false
+			vmess["skip-cert-verify"] = false
+
+			vmess["cipher"] = "auto"
+			if cipher, ok := values["scy"]; ok && cipher != "" {
+				vmess["cipher"] = cipher
+			}
+
+			if sni, ok := values["sni"]; ok && sni != "" {
+				vmess["servername"] = sni
+			}
+
+			network := strings.ToLower(values["net"].(string))
+			if values["type"] == "http" {
+				network = "http"
+			} else if network == "http" {
+				network = "h2"
+			}
+			vmess["network"] = network
+
+			tls := strings.ToLower(values["tls"].(string))
+			if strings.HasSuffix(tls, "tls") {
+				vmess["tls"] = true
+			}
+
+			switch network {
+			case "http":
+				headers := make(map[string]any)
+				httpOpts := make(map[string]any)
+				if host, ok := values["host"]; ok && host != "" {
+					headers["Host"] = []string{host.(string)}
+				}
+				httpOpts["path"] = []string{"/"}
+				if path, ok := values["path"]; ok && path != "" {
+					httpOpts["path"] = []string{path.(string)}
+				}
+				httpOpts["headers"] = headers
+
+				vmess["http-opts"] = httpOpts
+
+			case "h2":
+				headers := make(map[string]any)
+				h2Opts := make(map[string]any)
+				if host, ok := values["host"]; ok && host != "" {
+					headers["Host"] = []string{host.(string)}
+				}
+
+				h2Opts["path"] = values["path"]
+				h2Opts["headers"] = headers
+
+				vmess["h2-opts"] = h2Opts
+
+			case "ws":
+				headers := make(map[string]any)
+				wsOpts := make(map[string]any)
+				wsOpts["path"] = []string{"/"}
+				if host, ok := values["host"]; ok && host != "" {
+					headers["Host"] = host.(string)
+				}
+				if path, ok := values["path"]; ok && path != "" {
+					wsOpts["path"] = path.(string)
+				}
+				wsOpts["headers"] = headers
+				vmess["ws-opts"] = wsOpts
+
+			case "grpc":
+				grpcOpts := make(map[string]any)
+				grpcOpts["grpc-service-name"] = values["path"]
+				vmess["grpc-opts"] = grpcOpts
+			}
+
+			proxies = append(proxies, vmess)
+
+		case "ss":
+			urlSS, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			name := uniqueName(names, urlSS.Fragment)
+			port := urlSS.Port()
+
+			if port == "" {
+				dcBuf, err := encRaw.DecodeString(urlSS.Host)
+				if err != nil {
+					continue
+				}
+
+				urlSS, err = url.Parse("ss://" + string(dcBuf))
+				if err != nil {
+					continue
+				}
+			}
+
+			var (
+				cipher   = urlSS.User.Username()
+				password string
+			)
+
+			if password, found = urlSS.User.Password(); !found {
+				dcBuf, _ := enc.DecodeString(cipher)
+				if !strings.Contains(string(dcBuf), "2022-blake3") {
+					dcBuf, _ = encRaw.DecodeString(cipher)
+				}
+				cipher, password, found = strings.Cut(string(dcBuf), ":")
+				if !found {
+					continue
+				}
+			}
+
+			ss := make(map[string]any, 20)
+
+			ss["name"] = name
+			ss["type"] = scheme
+			ss["server"] = urlSS.Hostname()
+			ss["port"] = urlSS.Port()
+			ss["cipher"] = cipher
+			ss["password"] = password
+			query := urlSS.Query()
+			ss["udp"] = true
+			if strings.Contains(query.Get("plugin"), "obfs") {
+				obfsParams := strings.Split(query.Get("plugin"), ";")
+				ss["plugin"] = "obfs"
+				ss["plugin-opts"] = map[string]any{
+					"host": obfsParams[2][10:],
+					"mode": obfsParams[1][5:],
+				}
+			}
+			proxies = append(proxies, ss)
+		case "ssr":
+			dcBuf, err := encRaw.DecodeString(body)
+			if err != nil {
+				continue
+			}
+
+			// ssr://host:port:protocol:method:obfs:urlsafebase64pass/?obfsparam=urlsafebase64&protoparam=&remarks=urlsafebase64&group=urlsafebase64&udpport=0&uot=1
+
+			before, after, ok := strings.Cut(string(dcBuf), "/?")
+			if !ok {
+				continue
+			}
+
+			beforeArr := strings.Split(before, ":")
+
+			if len(beforeArr) != 6 {
+				continue
+			}
+
+			host := beforeArr[0]
+			port := beforeArr[1]
+			protocol := beforeArr[2]
+			method := beforeArr[3]
+			obfs := beforeArr[4]
+			password := decodeUrlSafe(urlSafe(beforeArr[5]))
+
+			query, err := url.ParseQuery(urlSafe(after))
+			if err != nil {
+				continue
+			}
+
+			remarks := decodeUrlSafe(query.Get("remarks"))
+			name := uniqueName(names, remarks)
+
+			obfsParam := decodeUrlSafe(query.Get("obfsparam"))
+			protocolParam := query.Get("protoparam")
+
+			ssr := make(map[string]any, 20)
+
+			ssr["name"] = name
+			ssr["type"] = scheme
+			ssr["server"] = host
+			ssr["port"] = port
+			ssr["cipher"] = method
+			ssr["password"] = password
+			ssr["obfs"] = obfs
+			ssr["protocol"] = protocol
+			ssr["udp"] = true
+
+			if obfsParam != "" {
+				ssr["obfs-param"] = obfsParam
+			}
+
+			if protocolParam != "" {
+				ssr["protocol-param"] = protocolParam
+			}
+
+			proxies = append(proxies, ssr)
+		}
+	}
+
+	if len(proxies) == 0 {
+		return nil, fmt.Errorf("convert v2ray subscribe error: format invalid")
+	}
+
+	return proxies, nil
+}
+
+func uniqueName(names map[string]int, name string) string {
+	if index, ok := names[name]; ok {
+		index++
+		names[name] = index
+		name = fmt.Sprintf("%s-%02d", name, index)
+	} else {
+		index = 0
+		names[name] = index
+	}
+	return name
+}

common/convert/util.go

@@ -0,0 +1,316 @@
+package convert
+
+import (
+	"encoding/base64"
+	"math/rand"
+	"net/http"
+	"strings"
+
+	"github.com/gofrs/uuid"
+)
+
+var hostsSuffix = []string{
+	"-cdn.aliyuncs.com",
+	".alicdn.com",
+	".pan.baidu.com",
+	".tbcache.com",
+	".aliyuncdn.com",
+	".vod.miguvideo.com",
+	".cibntv.net",
+	".myqcloud.com",
+	".smtcdns.com",
+	".alikunlun.com",
+	".smtcdns.net",
+	".apcdns.net",
+	".cdn-go.cn",
+	".cdntip.com",
+	".cdntips.com",
+	".alidayu.com",
+	".alidns.com",
+	".cdngslb.com",
+	".mxhichina.com",
+	".alibabadns.com",
+}
+
+var userAgents = []string{
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.162 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; Moto C Build/NRD90M.059) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1.1; SM-J120M Build/LMY47X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; Moto G (5) Build/NPPS25.137-93-14) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; SM-G570M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0; CAM-L03 Build/HUAWEICAM-L03) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.3 (KHTML, like Gecko) Chrome/6.0.472.63 Safari/534.3",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.7 (KHTML, like Gecko) Chrome/7.0.517.44 Safari/534.7",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75 Safari/537.36",
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+	"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.99 Safari/533.4",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.111 Safari/537.36 MVisionPlayer/1.0.0.0",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1; A37f Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.93 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; CPH1607 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36",
+	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; vivo 1603 Build/MMB29M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.83 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; Redmi 4A Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/60.0.3112.116 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.157 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.71 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.64 Safari/537.31",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532G Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.83 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.109 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.131 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0; vivo 1713 Build/MRA58K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.124 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+}
+
+var (
+	hostsLen = len(hostsSuffix)
+	uaLen    = len(userAgents)
+)
+
+func RandHost() string {
+	id, _ := uuid.NewV4()
+	base := strings.ToLower(base64.RawURLEncoding.EncodeToString(id.Bytes()))
+	base = strings.ReplaceAll(base, "-", "")
+	base = strings.ReplaceAll(base, "_", "")
+	buf := []byte(base)
+	prefix := string(buf[:3]) + "---"
+	prefix += string(buf[6:8]) + "-"
+	prefix += string(buf[len(buf)-8:])
+
+	return prefix + hostsSuffix[rand.Intn(hostsLen)]
+}
+
+func RandUserAgent() string {
+	return userAgents[rand.Intn(uaLen)]
+}
+
+func SetUserAgent(header http.Header) {
+	if header.Get("User-Agent") != "" {
+		return
+	}
+	userAgent := RandUserAgent()
+	header.Set("User-Agent", userAgent)
+}

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
+	}
+}

common/net/http.go

@@ -1,5 +0,0 @@
-package net
-
-const (
-	UA = "Clash"
-)

common/net/relay.go

@@ -4,8 +4,6 @@ import (
 	"io"
 	"net"
 	"time"
-
-	"github.com/Dreamacro/clash/common/pool"
 )
 
 // Relay copies between left and right bidirectionally.
@@ -13,18 +11,14 @@ func Relay(leftConn, rightConn net.Conn) {
 	ch := make(chan error)
 
 	go func() {
-		buf := pool.Get(pool.RelayBufferSize)
 		// Wrapping to avoid using *net.TCPConn.(ReadFrom)
 		// See also https://github.com/Dreamacro/clash/pull/1209
-		_, err := io.CopyBuffer(WriteOnlyWriter{Writer: leftConn}, ReadOnlyReader{Reader: rightConn}, buf)
+		_, err := io.Copy(WriteOnlyWriter{Writer: leftConn}, ReadOnlyReader{Reader: rightConn})
-		pool.Put(buf)
 		leftConn.SetReadDeadline(time.Now())
 		ch <- err
 	}()
 
-	buf := pool.Get(pool.RelayBufferSize)
+	_, _ = io.Copy(WriteOnlyWriter{Writer: rightConn}, ReadOnlyReader{Reader: leftConn})
-	io.CopyBuffer(WriteOnlyWriter{Writer: rightConn}, ReadOnlyReader{Reader: leftConn}, buf)
-	pool.Put(buf)
 	rightConn.SetReadDeadline(time.Now())
 	<-ch
 }

common/pool/alloc.go

@@ -52,8 +52,8 @@ func (alloc *Allocator) Put(buf []byte) error {
 		return errors.New("allocator Put() incorrect buffer size")
 	}
 
-	//lint:ignore SA6002 ignore temporarily
 	//nolint
+	//lint:ignore SA6002 ignore temporarily
 	alloc.buffers[bits].Put(buf)
 	return nil
 }

common/pool/sing.go

@@ -0,0 +1,7 @@
+package pool
+
+import "github.com/sagernet/sing/common/buf"
+
+func init() {
+	buf.DefaultAllocator = defaultAllocator
+}

common/singledo/singledo.go

@@ -25,7 +25,6 @@ type Result[T any] struct {
 }
 
 // Do single.Do likes sync.singleFlight
-//lint:ignore ST1008 it likes sync.singleFlight
 func (s *Single[T]) Do(fn func() (T, error)) (v T, err error, shared bool) {
 	s.mux.Lock()
 	now := time.Now()

common/structure/structure.go

@@ -159,9 +159,19 @@ func (d *Decoder) decodeSlice(name string, data any, val reflect.Value) error {
 		for valSlice.Len() <= i {
 			valSlice = reflect.Append(valSlice, reflect.Zero(valElemType))
 		}
-		currentField := valSlice.Index(i)
-
 		fieldName := fmt.Sprintf("%s[%d]", name, i)
+		if currentData == nil {
+			// in weakly type mode, null will convert to zero value
+			if d.option.WeaklyTypedInput {
+				continue
+			}
+			// in non-weakly type mode, null will convert to nil if element's zero value is nil, otherwise return an error
+			if elemKind := valElemType.Kind(); elemKind == reflect.Map || elemKind == reflect.Slice {
+				continue
+			}
+			return fmt.Errorf("'%s' can not be null", fieldName)
+		}
+		currentField := valSlice.Index(i)
 		if err := d.decode(fieldName, currentData, currentField); err != nil {
 			return err
 		}

common/utils/uuid.go

@@ -0,0 +1,16 @@
+package utils
+
+import (
+	"github.com/gofrs/uuid"
+)
+
+var uuidNamespace, _ = uuid.FromString("00000000-0000-0000-0000-000000000000")
+
+// UUIDMap https://github.com/XTLS/Xray-core/issues/158#issue-783294090
+func UUIDMap(str string) (uuid.UUID, error) {
+	u, err := uuid.FromString(str)
+	if err != nil {
+		return uuid.NewV5(uuidNamespace, str), nil
+	}
+	return u, nil
+}

common/utils/uuid_test.go

@@ -0,0 +1,74 @@
+package utils
+
+import (
+	"github.com/gofrs/uuid"
+	"reflect"
+	"testing"
+)
+
+func TestUUIDMap(t *testing.T) {
+	type args struct {
+		str string
+	}
+
+	tests := []struct {
+		name    string
+		args    args
+		want    uuid.UUID
+		wantErr bool
+	}{
+		{
+			name: "uuid-test-1",
+			args: args{
+				str: "82410302-039e-41b6-98b0-d964084b4170",
+			},
+			want:    uuid.FromStringOrNil("82410302-039e-41b6-98b0-d964084b4170"),
+			wantErr: false,
+		},
+		{
+			name: "uuid-test-2",
+			args: args{
+				str: "88c502e6-d7eb-4c8e-8259-94cb13d83c77",
+			},
+			want:    uuid.FromStringOrNil("88c502e6-d7eb-4c8e-8259-94cb13d83c77"),
+			wantErr: false,
+		},
+		{
+			name: "uuid-map-1",
+			args: args{
+				str: "123456",
+			},
+			want:    uuid.FromStringOrNil("f8598425-92f2-5508-a071-4fc67f9040ac"),
+			wantErr: false,
+		},
+		// GENERATED BY 'xray uuid -i'
+		{
+			name: "uuid-map-2",
+			args: args{
+				str: "a9dk23bz0",
+			},
+			want:    uuid.FromStringOrNil("c91481b6-fc0f-5d9e-b166-5ddf07b9c3c5"),
+			wantErr: false,
+		},
+		{
+			name: "uuid-map-2",
+			args: args{
+				str: "中文123",
+			},
+			want:    uuid.FromStringOrNil("145c544c-2229-59e5-8dbb-3f33b7610d26"),
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := UUIDMap(tt.args.str)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("UUIDMap() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("UUIDMap() got = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

component/dialer/dialer.go

@@ -4,18 +4,22 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"github.com/Dreamacro/clash/component/resolver"
+	"go.uber.org/atomic"
 	"net"
 	"net/netip"
+	"strings"
 	"sync"
-
-	"github.com/Dreamacro/clash/component/resolver"
 )
 
 var (
 	dialMux                    sync.Mutex
 	actualSingleDialContext    = singleDialContext
 	actualDualStackDialContext = dualStackDialContext
+	tcpConcurrent              = false
 	DisableIPv6                = false
+	ErrorInvalidedNetworkStack = errors.New("invalided network stack")
+	ErrorDisableIPv6           = errors.New("IPv6 is disabled, dialer cancel")
 )
 
 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
 	}
 }
 
@@ -76,17 +90,22 @@ func ListenPacket(ctx context.Context, network, address string, options ...Optio
 
 func SetDial(concurrent bool) {
 	dialMux.Lock()
+	tcpConcurrent = concurrent
 	if concurrent {
 		actualSingleDialContext = concurrentSingleDialContext
 		actualDualStackDialContext = concurrentDualStackDialContext
 	} else {
 		actualSingleDialContext = singleDialContext
-		actualDualStackDialContext = concurrentDualStackDialContext
+		actualDualStackDialContext = dualStackDialContext
 	}
 
 	dialMux.Unlock()
 }
 
+func GetDial() bool {
+	return tcpConcurrent
+}
+
 func dialContext(ctx context.Context, network string, destination netip.Addr, port string, opt *option) (net.Conn, error) {
 	dialer := &net.Dialer{}
 	if opt.interfaceName != "" {
@@ -99,7 +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))
@@ -161,29 +180,35 @@ func dualStackDialContext(ctx context.Context, network, address string, opt *opt
 	go startRacer(ctx, network+"4", host, opt.direct, false)
 	go startRacer(ctx, network+"6", host, opt.direct, true)
 
-	for res := range results {
+	count := 2
-		if res.error == nil {
+	for i := 0; i < count; i++ {
-			return res.Conn, nil
+		select {
-		}
+		case res := <-results:
-
+			if res.error == nil {
-		if !res.ipv6 {
+				return res.Conn, nil
-			primary = res
-		} else {
-			fallback = res
-		}
-
-		if primary.done && fallback.done {
-			if primary.resolved {
-				return nil, primary.error
-			} else if fallback.resolved {
-				return nil, fallback.error
-			} else {
-				return nil, primary.error
 			}
+
+			if !res.ipv6 {
+				primary = res
+			} else {
+				fallback = res
+			}
+
+			if primary.done && fallback.done {
+				if primary.resolved {
+					return nil, primary.error
+				} else if fallback.resolved {
+					return nil, fallback.error
+				} else {
+					return nil, primary.error
+				}
+			}
+		case <-ctx.Done():
+			break
 		}
 	}
 
-	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) {
@@ -193,13 +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)
 }
 
@@ -211,30 +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 {
@@ -242,18 +289,49 @@ func concurrentDialContext(ctx context.Context, network string, ips []netip.Addr
 	}
 
 	connCount := len(ips)
-	for res := range results {
+	var fallback dialResult
-		connCount--
+	var primaryError error
-		if res.error == nil {
+	for i := 0; i < connCount; i++ {
-			return res.Conn, nil
+		select {
-		}
+		case res := <-results:
-
+			if res.error == nil {
-		if connCount == 0 {
+				if res.isPrimary {
+					return res.Conn, nil
+				} else {
+					if !fallback.done || fallback.error != nil {
+						fallback = res
+					}
+				}
+			} else {
+				if res.isPrimary {
+					primaryError = res.error
+					preferCount.Add(-1)
+					if preferCount.Load() == 0 && fallback.done && fallback.error == nil {
+						return fallback.Conn, nil
+					}
+				}
+			}
+		case <-ctx.Done():
+			if fallback.done && fallback.error == nil {
+				return fallback.Conn, nil
+			}
 			break
 		}
 	}
 
-	return nil, errors.New("all ip tcp shake hands failed")
+	if fallback.done && fallback.error == nil {
+		return fallback.Conn, nil
+	}
+
+	if primaryError != nil {
+		return nil, primaryError
+	}
+
+	if fallback.error != nil {
+		return nil, fallback.error
+	}
+
+	return nil, fmt.Errorf("all ips %v tcp shake hands failed", ips)
 }
 
 func singleDialContext(ctx context.Context, network string, address string, opt *option) (net.Conn, error) {
@@ -285,25 +363,45 @@ 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 +1,138 @@
+//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"
+)
+
+func GetAutoDetectInterface() (string, error) {
+	routes, err := netlink.RouteList(nil, netlink.FAMILY_V4)
+	if err != nil {
+		return "", err
+	}
+
+	for _, route := range routes {
+		if route.Dst == nil {
+			lk, err := netlink.LinkByIndex(route.LinkIndex)
+			if err != nil {
+				return "", err
+			}
+
+			if lk.Type() == "tuntap" {
+				continue
+			}
+
+			return lk.Attrs().Name, nil
+		}
+	}
+
+	return "", fmt.Errorf("interface not found")
+}
+
+// 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 +1,21 @@
+//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")
+}
+
+func GetAutoDetectInterface() (string, error) {
+	return "", 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/fakeip/pool.go

@@ -166,7 +166,7 @@ func New(options Options) (*Pool, error) {
 	var (
 		hostAddr = options.IPNet.Masked().Addr()
 		gateway  = hostAddr.Next()
-		first    = gateway.Next().Next()
+		first    = gateway.Next().Next().Next() // default start with 198.18.0.4
 		last     = nnip.UnMasked(*options.IPNet)
 	)
 

component/fakeip/pool_test.go

@@ -62,16 +62,16 @@ func TestPool_Basic(t *testing.T) {
 		last := pool.Lookup("bar.com")
 		bar, exist := pool.LookBack(last)
 
-		assert.True(t, first == netip.AddrFrom4([4]byte{192, 168, 0, 3}))
+		assert.True(t, first == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
-		assert.True(t, pool.Lookup("foo.com") == netip.AddrFrom4([4]byte{192, 168, 0, 3}))
+		assert.True(t, pool.Lookup("foo.com") == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
-		assert.True(t, last == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
+		assert.True(t, last == netip.AddrFrom4([4]byte{192, 168, 0, 5}))
 		assert.True(t, exist)
 		assert.Equal(t, bar, "bar.com")
 		assert.True(t, pool.Gateway() == netip.AddrFrom4([4]byte{192, 168, 0, 1}))
 		assert.True(t, pool.Broadcast() == netip.AddrFrom4([4]byte{192, 168, 0, 15}))
 		assert.Equal(t, pool.IPNet().String(), ipnet.String())
-		assert.True(t, pool.Exist(netip.AddrFrom4([4]byte{192, 168, 0, 4})))
+		assert.True(t, pool.Exist(netip.AddrFrom4([4]byte{192, 168, 0, 5})))
-		assert.False(t, pool.Exist(netip.AddrFrom4([4]byte{192, 168, 0, 5})))
+		assert.False(t, pool.Exist(netip.AddrFrom4([4]byte{192, 168, 0, 6})))
 		assert.False(t, pool.Exist(netip.MustParseAddr("::1")))
 	}
 }
@@ -90,16 +90,16 @@ func TestPool_BasicV6(t *testing.T) {
 		last := pool.Lookup("bar.com")
 		bar, exist := pool.LookBack(last)
 
-		assert.True(t, first == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8803"))
+		assert.True(t, first == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8804"))
-		assert.True(t, pool.Lookup("foo.com") == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8803"))
+		assert.True(t, pool.Lookup("foo.com") == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8804"))
-		assert.True(t, last == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8804"))
+		assert.True(t, last == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8805"))
 		assert.True(t, exist)
 		assert.Equal(t, bar, "bar.com")
 		assert.True(t, pool.Gateway() == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8801"))
 		assert.True(t, pool.Broadcast() == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8bff"))
 		assert.Equal(t, pool.IPNet().String(), ipnet.String())
-		assert.True(t, pool.Exist(netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8804")))
+		assert.True(t, pool.Exist(netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8805")))
-		assert.False(t, pool.Exist(netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8805")))
+		assert.False(t, pool.Exist(netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8806")))
 		assert.False(t, pool.Exist(netip.MustParseAddr("127.0.0.1")))
 	}
 }
@@ -116,7 +116,7 @@ func TestPool_CycleUsed(t *testing.T) {
 	for _, pool := range pools {
 		foo := pool.Lookup("foo.com")
 		bar := pool.Lookup("bar.com")
-		for i := 0; i < 10; i++ {
+		for i := 0; i < 9; i++ {
 			pool.Lookup(fmt.Sprintf("%d.com", i))
 		}
 		baz := pool.Lookup("baz.com")
@@ -198,8 +198,8 @@ func TestPool_Clone(t *testing.T) {
 
 	first := pool.Lookup("foo.com")
 	last := pool.Lookup("bar.com")
-	assert.True(t, first == netip.AddrFrom4([4]byte{192, 168, 0, 3}))
+	assert.True(t, first == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
-	assert.True(t, last == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
+	assert.True(t, last == netip.AddrFrom4([4]byte{192, 168, 0, 5}))
 
 	newPool, _ := New(Options{
 		IPNet: &ipnet,

component/geodata/geodata.go

@@ -30,7 +30,7 @@ func (l *loader) LoadGeoSiteWithAttr(file string, siteWithAttr string) ([]*route
 		return nil, fmt.Errorf("empty listname in rule: %s", siteWithAttr)
 	}
 
-	domains, err := l.LoadSite(file, list)
+	domains, err := l.LoadSiteByPath(file, list)
 	if err != nil {
 		return nil, err
 	}
@@ -59,7 +59,7 @@ func (l *loader) LoadGeoSiteWithAttr(file string, siteWithAttr string) ([]*route
 }
 
 func (l *loader) LoadGeoIP(country string) ([]*router.CIDR, error) {
-	return l.LoadIP(C.GeoipName, country)
+	return l.LoadIPByPath(C.GeoipName, country)
 }
 
 var loaders map[string]func() LoaderImplementation

component/geodata/geodataproto.go

@@ -5,8 +5,10 @@ import (
 )
 
 type LoaderImplementation interface {
-	LoadSite(filename, list string) ([]*router.Domain, error)
+	LoadSiteByPath(filename, list string) ([]*router.Domain, error)
-	LoadIP(filename, country string) ([]*router.CIDR, error)
+	LoadSiteByBytes(geositeBytes []byte, list string) ([]*router.Domain, error)
+	LoadIPByPath(filename, country string) ([]*router.CIDR, error)
+	LoadIPByBytes(geoipBytes []byte, country string) ([]*router.CIDR, error)
 }
 
 type Loader interface {

component/geodata/init.go

@@ -0,0 +1,52 @@
+package geodata
+
+import (
+	"fmt"
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/log"
+	"io"
+	"net/http"
+	"os"
+)
+
+var initFlag bool
+
+func InitGeoSite() error {
+	if _, err := os.Stat(C.Path.GeoSite()); os.IsNotExist(err) {
+		log.Infoln("Can't find GeoSite.dat, start download")
+		if err := downloadGeoSite(C.Path.GeoSite()); err != nil {
+			return fmt.Errorf("can't download GeoSite.dat: %s", err.Error())
+		}
+		log.Infoln("Download GeoSite.dat finish")
+	}
+	if !initFlag {
+		if err := Verify(C.GeositeName); err != nil {
+			log.Warnln("GeoSite.dat invalid, remove and download: %s", err)
+			if err := os.Remove(C.Path.GeoSite()); err != nil {
+				return fmt.Errorf("can't remove invalid GeoSite.dat: %s", err.Error())
+			}
+			if err := downloadGeoSite(C.Path.GeoSite()); err != nil {
+				return fmt.Errorf("can't download GeoSite.dat: %s", err.Error())
+			}
+		}
+		initFlag = true
+	}
+	return nil
+}
+
+func downloadGeoSite(path string) (err error) {
+	resp, err := http.Get(C.GeoSiteUrl)
+	if err != nil {
+		return
+	}
+	defer resp.Body.Close()
+
+	f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0o644)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	_, err = io.Copy(f, resp.Body)
+
+	return err
+}

component/geodata/memconservative/memc.go

@@ -1,6 +1,7 @@
 package memconservative
 
 import (
+	"errors"
 	"fmt"
 	"runtime"
 
@@ -13,7 +14,7 @@ type memConservativeLoader struct {
 	geositecache GeoSiteCache
 }
 
-func (m *memConservativeLoader) LoadIP(filename, country string) ([]*router.CIDR, error) {
+func (m *memConservativeLoader) LoadIPByPath(filename, country string) ([]*router.CIDR, error) {
 	defer runtime.GC()
 	geoip, err := m.geoipcache.Unmarshal(filename, country)
 	if err != nil {
@@ -22,7 +23,11 @@ func (m *memConservativeLoader) LoadIP(filename, country string) ([]*router.CIDR
 	return geoip.Cidr, nil
 }
 
-func (m *memConservativeLoader) LoadSite(filename, list string) ([]*router.Domain, error) {
+func (m *memConservativeLoader) LoadIPByBytes(geoipBytes []byte, country string) ([]*router.CIDR, error) {
+	return nil, errors.New("memConservative do not support LoadIPByBytes")
+}
+
+func (m *memConservativeLoader) LoadSiteByPath(filename, list string) ([]*router.Domain, error) {
 	defer runtime.GC()
 	geosite, err := m.geositecache.Unmarshal(filename, list)
 	if err != nil {
@@ -31,6 +36,10 @@ func (m *memConservativeLoader) LoadSite(filename, list string) ([]*router.Domai
 	return geosite.Domain, nil
 }
 
+func (m *memConservativeLoader) LoadSiteByBytes(geositeBytes []byte, list string) ([]*router.Domain, error) {
+	return nil, errors.New("memConservative do not support LoadSiteByBytes")
+}
+
 func newMemConservativeLoader() geodata.LoaderImplementation {
 	return &memConservativeLoader{make(map[string]*router.GeoIP), make(map[string]*router.GeoSite)}
 }

component/geodata/router/condition.go

@@ -33,9 +33,10 @@ func domainToMatcher(domain *Domain) (strmatcher.Matcher, error) {
 
 type DomainMatcher struct {
 	matchers strmatcher.IndexMatcher
+	not      bool
 }
 
-func NewMphMatcherGroup(domains []*Domain) (*DomainMatcher, error) {
+func NewMphMatcherGroup(domains []*Domain, not bool) (*DomainMatcher, error) {
 	g := strmatcher.NewMphMatcherGroup()
 	for _, d := range domains {
 		matcherType, f := matcherTypeMap[d.Type]
@@ -50,11 +51,12 @@ func NewMphMatcherGroup(domains []*Domain) (*DomainMatcher, error) {
 	g.Build()
 	return &DomainMatcher{
 		matchers: g,
+		not:      not,
 	}, nil
 }
 
 // NewDomainMatcher new domain matcher.
-func NewDomainMatcher(domains []*Domain) (*DomainMatcher, error) {
+func NewDomainMatcher(domains []*Domain, not bool) (*DomainMatcher, error) {
 	g := new(strmatcher.MatcherGroup)
 	for _, d := range domains {
 		m, err := domainToMatcher(d)
@@ -66,11 +68,16 @@ func NewDomainMatcher(domains []*Domain) (*DomainMatcher, error) {
 
 	return &DomainMatcher{
 		matchers: g,
+		not:      not,
 	}, nil
 }
 
 func (m *DomainMatcher) ApplyDomain(domain string) bool {
-	return len(m.matchers.Match(strings.ToLower(domain))) > 0
+	isMatched := len(m.matchers.Match(strings.ToLower(domain))) > 0
+	if m.not {
+		isMatched = !isMatched
+	}
+	return isMatched
 }
 
 // CIDRList is an alias of []*CIDR to provide sort.Interface.

component/geodata/standard/standard.go

@@ -29,11 +29,7 @@ func ReadAsset(file string) ([]byte, error) {
 	return ReadFile(C.Path.GetAssetLocation(file))
 }
 
-func loadIP(filename, country string) ([]*router.CIDR, error) {
+func loadIP(geoipBytes []byte, country string) ([]*router.CIDR, error) {
-	geoipBytes, err := ReadAsset(filename)
-	if err != nil {
-		return nil, fmt.Errorf("failed to open file: %s, base error: %s", filename, err.Error())
-	}
 	var geoipList router.GeoIPList
 	if err := proto.Unmarshal(geoipBytes, &geoipList); err != nil {
 		return nil, err
@@ -45,14 +41,10 @@ func loadIP(filename, country string) ([]*router.CIDR, error) {
 		}
 	}
 
-	return nil, fmt.Errorf("country not found in %s%s%s", filename, ": ", country)
+	return nil, fmt.Errorf("country %s not found", country)
 }
 
-func loadSite(filename, list string) ([]*router.Domain, error) {
+func loadSite(geositeBytes []byte, list string) ([]*router.Domain, error) {
-	geositeBytes, err := ReadAsset(filename)
-	if err != nil {
-		return nil, fmt.Errorf("failed to open file: %s, base error: %s", filename, err.Error())
-	}
 	var geositeList router.GeoSiteList
 	if err := proto.Unmarshal(geositeBytes, &geositeList); err != nil {
 		return nil, err
@@ -64,17 +56,33 @@ func loadSite(filename, list string) ([]*router.Domain, error) {
 		}
 	}
 
-	return nil, fmt.Errorf("list not found in %s%s%s", filename, ": ", list)
+	return nil, fmt.Errorf("list %s not found", list)
 }
 
 type standardLoader struct{}
 
-func (d standardLoader) LoadSite(filename, list string) ([]*router.Domain, error) {
+func (d standardLoader) LoadSiteByPath(filename, list string) ([]*router.Domain, error) {
-	return loadSite(filename, list)
+	geositeBytes, err := ReadAsset(filename)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open file: %s, base error: %s", filename, err.Error())
+	}
+	return loadSite(geositeBytes, list)
 }
 
-func (d standardLoader) LoadIP(filename, country string) ([]*router.CIDR, error) {
+func (d standardLoader) LoadSiteByBytes(geositeBytes []byte, list string) ([]*router.Domain, error) {
-	return loadIP(filename, country)
+	return loadSite(geositeBytes, list)
+}
+
+func (d standardLoader) LoadIPByPath(filename, country string) ([]*router.CIDR, error) {
+	geoipBytes, err := ReadAsset(filename)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open file: %s, base error: %s", filename, err.Error())
+	}
+	return loadIP(geoipBytes, country)
+}
+
+func (d standardLoader) LoadIPByBytes(geoipBytes []byte, country string) ([]*router.CIDR, error) {
+	return loadIP(geoipBytes, country)
 }
 
 func init() {

component/geodata/utils.go

@@ -1,9 +1,9 @@
 package geodata
 
 import (
+	"fmt"
 	"github.com/Dreamacro/clash/component/geodata/router"
 	C "github.com/Dreamacro/clash/constant"
-	"strings"
 )
 
 var geoLoaderName = "memconservative"
@@ -21,20 +21,30 @@ func SetLoader(newLoader string) {
 	geoLoaderName = newLoader
 }
 
-func Verify(name string) bool {
+func Verify(name string) error {
 	switch name {
 	case C.GeositeName:
 		_, _, err := LoadGeoSiteMatcher("CN")
-		return err == nil
+		return err
 	case C.GeoipName:
 		_, _, err := LoadGeoIPMatcher("CN")
-		return err == nil
+		return err
 	default:
-		return false
+		return fmt.Errorf("not support name")
 	}
 }
 
 func LoadGeoSiteMatcher(countryCode string) (*router.DomainMatcher, int, error) {
+	if len(countryCode) == 0 {
+		return nil, 0, fmt.Errorf("country code could not be empty")
+	}
+
+	not := false
+	if countryCode[0] == '!' {
+		not = true
+		countryCode = countryCode[1:]
+	}
+
 	geoLoader, err := GetGeoDataLoader(geoLoaderName)
 	if err != nil {
 		return nil, 0, err
@@ -50,7 +60,7 @@ func LoadGeoSiteMatcher(countryCode string) (*router.DomainMatcher, int, error)
 	matcher, err := router.NewDomainMatcher(domains)
 	mph：minimal perfect hash algorithm
 	*/
-	matcher, err := router.NewMphMatcherGroup(domains)
+	matcher, err := router.NewMphMatcherGroup(domains, not)
 	if err != nil {
 		return nil, 0, err
 	}
@@ -59,12 +69,21 @@ func LoadGeoSiteMatcher(countryCode string) (*router.DomainMatcher, int, error)
 }
 
 func LoadGeoIPMatcher(country string) (*router.GeoIPMatcher, int, error) {
+	if len(country) == 0 {
+		return nil, 0, fmt.Errorf("country code could not be empty")
+	}
 	geoLoader, err := GetGeoDataLoader(geoLoaderName)
 	if err != nil {
 		return nil, 0, err
 	}
 
-	records, err := geoLoader.LoadGeoIP(strings.ReplaceAll(country, "!", ""))
+	not := false
+	if country[0] == '!' {
+		not = true
+		country = country[1:]
+	}
+
+	records, err := geoLoader.LoadGeoIP(country)
 	if err != nil {
 		return nil, 0, err
 	}
@@ -72,7 +91,7 @@ func LoadGeoIPMatcher(country string) (*router.GeoIPMatcher, int, error) {
 	geoIP := &router.GeoIP{
 		CountryCode:  country,
 		Cidr:         records,
-		ReverseMatch: strings.Contains(country, "!"),
+		ReverseMatch: not,
 	}
 
 	matcher, err := router.NewGeoIPMatcher(geoIP)

component/http/http.go

@@ -0,0 +1,64 @@
+package http
+
+import (
+	"context"
+	"github.com/Dreamacro/clash/component/tls"
+	"github.com/Dreamacro/clash/listener/inner"
+	"io"
+	"net"
+	"net/http"
+	URL "net/url"
+	"strings"
+	"time"
+)
+
+const (
+	UA = "Clash"
+)
+
+func HttpRequest(ctx context.Context, url, method string, header map[string][]string, body io.Reader) (*http.Response, error) {
+	method = strings.ToUpper(method)
+	urlRes, err := URL.Parse(url)
+	if err != nil {
+		return nil, err
+	}
+
+	req, err := http.NewRequest(method, urlRes.String(), body)
+	for k, v := range header {
+		for _, v := range v {
+			req.Header.Add(k, v)
+		}
+	}
+
+	if _, ok := header["User-Agent"]; !ok {
+		req.Header.Set("User-Agent", UA)
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	if user := urlRes.User; user != nil {
+		password, _ := user.Password()
+		req.SetBasicAuth(user.Username(), password)
+	}
+
+	req = req.WithContext(ctx)
+
+	transport := &http.Transport{
+		// from http.DefaultTransport
+		MaxIdleConns:          100,
+		IdleConnTimeout:       30 * time.Second,
+		TLSHandshakeTimeout:   10 * time.Second,
+		ExpectContinueTimeout: 1 * time.Second,
+		DialContext: func(ctx context.Context, network, address string) (net.Conn, error) {
+			conn := inner.HandleTcp(address, urlRes.Hostname())
+			return conn, nil
+		},
+		TLSClientConfig: tls.GetDefaultTLSConfig(),
+	}
+
+	client := http.Client{Transport: transport}
+	return client.Do(req)
+
+}

component/process/process.go

@@ -2,11 +2,7 @@ package process
 
 import (
 	"errors"
-	"github.com/Dreamacro/clash/common/nnip"
-	C "github.com/Dreamacro/clash/constant"
-	"net"
 	"net/netip"
-	"runtime"
 )
 
 var (
@@ -20,7 +16,7 @@ const (
 	UDP = "udp"
 )
 
-func FindProcessName(network string, srcIP netip.Addr, srcPort int) (string, error) {
+func FindProcessName(network string, srcIP netip.Addr, srcPort int) (int32, string, error) {
 	return findProcessName(network, srcIP, srcPort)
 }
 
@@ -31,52 +27,3 @@ func FindUid(network string, srcIP netip.Addr, srcPort int) (int32, error) {
 	}
 	return uid, nil
 }
-
-func ShouldFindProcess(metadata *C.Metadata) bool {
-	if runtime.GOOS == "android" {
-		return false
-	}
-	if 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

@@ -3,11 +3,11 @@ package process
 import (
 	"encoding/binary"
 	"net/netip"
+	"strconv"
+	"strings"
 	"syscall"
 	"unsafe"
 
-	"github.com/Dreamacro/clash/common/nnip"
-
 	"golang.org/x/sys/unix"
 )
 
@@ -17,11 +17,27 @@ const (
 	proccallnumpidinfo  = 0x2
 )
 
+var structSize = func() int {
+	value, _ := syscall.Sysctl("kern.osrelease")
+	major, _, _ := strings.Cut(value, ".")
+	n, _ := strconv.ParseInt(major, 10, 64)
+	switch true {
+	case n >= 22:
+		return 408
+	default:
+		// from darwin-xnu/bsd/netinet/in_pcblist.c:get_pcblist_n
+		// size/offset are round up (aligned) to 8 bytes in darwin
+		// rup8(sizeof(xinpcb_n)) + rup8(sizeof(xsocket_n)) +
+		// 2 * rup8(sizeof(xsockbuf_n)) + rup8(sizeof(xsockstat_n))
+		return 384
+	}
+}()
+
 func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (int32, int32, error) {
 	return 0, 0, ErrPlatformNotSupport
 }
 
-func findProcessName(network string, ip netip.Addr, port int) (string, error) {
+func findProcessName(network string, ip netip.Addr, port int) (int32, string, error) {
 	var spath string
 	switch network {
 	case TCP:
@@ -29,27 +45,24 @@ func findProcessName(network string, ip netip.Addr, port int) (string, error) {
 	case UDP:
 		spath = "net.inet.udp.pcblist_n"
 	default:
-		return "", ErrInvalidNetwork
+		return -1, "", ErrInvalidNetwork
 	}
 
 	isIPv4 := ip.Is4()
 
 	value, err := syscall.Sysctl(spath)
 	if err != nil {
-		return "", err
+		return -1, "", err
 	}
 
 	buf := []byte(value)
-
+	itemSize := structSize
-	// from darwin-xnu/bsd/netinet/in_pcblist.c:get_pcblist_n
-	// size/offset are round up (aligned) to 8 bytes in darwin
-	// rup8(sizeof(xinpcb_n)) + rup8(sizeof(xsocket_n)) +
-	// 2 * rup8(sizeof(xsockbuf_n)) + rup8(sizeof(xsockstat_n))
-	itemSize := 384
 	if network == TCP {
 		// 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
@@ -63,28 +76,40 @@ func findProcessName(network string, ip netip.Addr, port int) (string, error) {
 		// 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 {
-		return getExecPathFromPID(pid)
+			fallbackUDPProcess, _ = getExecPathFromPID(readNativeUint32(buf[so+68 : so+72]))
+		}
 	}
 
-	return "", ErrNotFound
+	if network == UDP && fallbackUDPProcess != "" {
+		return -1, fallbackUDPProcess, nil
+	}
+
+	return -1, "", ErrNotFound
 }
 
 func getExecPathFromPID(pid uint32) (string, error) {

component/process/process_freebsd_amd64.go

@@ -25,7 +25,7 @@ func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (int32,
 	return 0, 0, ErrPlatformNotSupport
 }
 
-func findProcessName(network string, ip netip.Addr, srcPort int) (string, error) {
+func findProcessName(network string, ip netip.Addr, srcPort int) (int32, string, error) {
 	once.Do(func() {
 		if err := initSearcher(); err != nil {
 			log.Errorln("Initialize PROCESS-NAME failed: %s", err.Error())
@@ -35,7 +35,7 @@ func findProcessName(network string, ip netip.Addr, srcPort int) (string, error)
 	})
 
 	if defaultSearcher == nil {
-		return "", ErrPlatformNotSupport
+		return -1, "", ErrPlatformNotSupport
 	}
 
 	var spath string
@@ -46,21 +46,22 @@ func findProcessName(network string, ip netip.Addr, srcPort int) (string, error)
 	case UDP:
 		spath = "net.inet.udp.pcblist"
 	default:
-		return "", ErrInvalidNetwork
+		return -1, "", ErrInvalidNetwork
 	}
 
 	value, err := syscall.Sysctl(spath)
 	if err != nil {
-		return "", err
+		return -1, "", err
 	}
 
 	buf := []byte(value)
 	pid, err := defaultSearcher.Search(buf, ip, uint16(srcPort), isTCP)
 	if err != nil {
-		return "", err
+		return -1, "", err
 	}
 
-	return getExecPathFromPID(pid)
+	pp, err := getExecPathFromPID(pid)
+	return -1, pp, err
 }
 
 func getExecPathFromPID(pid uint32) (string, error) {

component/process/process_linux.go

@@ -8,6 +8,8 @@ import (
 	"net/netip"
 	"os"
 	"path"
+	"path/filepath"
+	"runtime"
 	"strings"
 	"syscall"
 	"unicode"
@@ -32,12 +34,14 @@ const (
 	pathProc                = "/proc"
 )
 
-func findProcessName(network string, ip netip.Addr, srcPort int) (string, error) {
+func findProcessName(network string, ip netip.Addr, srcPort int) (int32, string, error) {
 	inode, uid, err := resolveSocketByNetlink(network, ip, srcPort)
 	if err != nil {
-		return "", err
+		return -1, "", err
 	}
-	return resolveProcessNameByProcSearch(inode, uid)
+
+	pp, err := resolveProcessNameByProcSearch(inode, uid)
+	return uid, pp, err
 }
 
 func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (int32, int32, error) {
@@ -107,7 +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)
 	}
@@ -194,9 +198,19 @@ 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"))
+					if err != nil {
+						return "", err
+					}
 
-			if bytes.Equal(buffer[:n], socket) {
+					return splitCmdline(cmdline), nil
-				return os.Readlink(path.Join(processPath, "exe"))
+				}
+			} else {
+				if bytes.Equal(buffer[:n], socket) {
+					return os.Readlink(path.Join(processPath, "exe"))
+				}
 			}
 		}
 	}
@@ -204,6 +218,19 @@ func resolveProcessNameByProcSearch(inode, uid int32) (string, error) {
 	return "", fmt.Errorf("process of uid(%d),inode(%d) not found", uid, inode)
 }
 
+func splitCmdline(cmdline []byte) string {
+	cmdline = bytes.Trim(cmdline, " ")
+
+	idx := bytes.IndexFunc(cmdline, func(r rune) bool {
+		return unicode.IsControl(r) || unicode.IsSpace(r)
+	})
+
+	if idx == -1 {
+		return filepath.Base(string(cmdline))
+	}
+	return filepath.Base(string(cmdline[:idx]))
+}
+
 func isPid(s string) bool {
 	return strings.IndexFunc(s, func(r rune) bool {
 		return !unicode.IsDigit(r)

component/process/process_other.go

@@ -4,8 +4,8 @@ package process
 
 import "net/netip"
 
-func findProcessName(network string, ip netip.Addr, srcPort int) (string, error) {
+func findProcessName(network string, ip netip.Addr, srcPort int) (int32, string, error) {
-	return "", ErrPlatformNotSupport
+	return -1, "", ErrPlatformNotSupport
 }
 
 func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (int32, int32, error) {

component/process/process_windows.go

@@ -62,7 +62,7 @@ func initWin32API() error {
 	return nil
 }
 
-func findProcessName(network string, ip netip.Addr, srcPort int) (string, error) {
+func findProcessName(network string, ip netip.Addr, srcPort int) (int32, string, error) {
 	once.Do(func() {
 		err := initWin32API()
 		if err != nil {
@@ -86,21 +86,22 @@ func findProcessName(network string, ip netip.Addr, srcPort int) (string, error)
 		fn = getExUDPTable
 		class = udpTablePid
 	default:
-		return "", ErrInvalidNetwork
+		return -1, "", ErrInvalidNetwork
 	}
 
 	buf, err := getTransportTable(fn, family, class)
 	if err != nil {
-		return "", err
+		return -1, "", err
 	}
 
 	s := newSearcher(family == windows.AF_INET, network == TCP)
 
 	pid, err := s.Search(buf, ip, uint16(srcPort))
 	if err != nil {
-		return "", err
+		return -1, "", err
 	}
-	return getExecPathFromPID(pid)
+	pp, err := getExecPathFromPID(pid)
+	return -1, pp, err
 }
 
 type searcher struct {

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)
 	}
 }
 
@@ -89,7 +88,11 @@ func ResolveIP(host string) (netip.Addr, error) {
 // ResolveIPv4ProxyServerHost proxies server host only
 func ResolveIPv4ProxyServerHost(host string) (netip.Addr, error) {
 	if ProxyServerHostResolver != nil {
-		return ResolveIPv4WithResolver(host, ProxyServerHostResolver)
+		if ip, err := ResolveIPv4WithResolver(host, ProxyServerHostResolver); err != nil {
+			return ResolveIPv4(host)
+		} else {
+			return ip, nil
+		}
 	}
 	return ResolveIPv4(host)
 }
@@ -97,7 +100,11 @@ func ResolveIPv4ProxyServerHost(host string) (netip.Addr, error) {
 // ResolveIPv6ProxyServerHost proxies server host only
 func ResolveIPv6ProxyServerHost(host string) (netip.Addr, error) {
 	if ProxyServerHostResolver != nil {
-		return ResolveIPv6WithResolver(host, ProxyServerHostResolver)
+		if ip, err := ResolveIPv6WithResolver(host, ProxyServerHostResolver); err != nil {
+			return ResolveIPv6(host)
+		} else {
+			return ip, nil
+		}
 	}
 	return ResolveIPv6(host)
 }
@@ -105,7 +112,11 @@ func ResolveIPv6ProxyServerHost(host string) (netip.Addr, error) {
 // ResolveProxyServerHost proxies server host only
 func ResolveProxyServerHost(host string) (netip.Addr, error) {
 	if ProxyServerHostResolver != nil {
-		return ResolveIPWithResolver(host, ProxyServerHostResolver)
+		if ip, err := ResolveIPWithResolver(host, ProxyServerHostResolver); err != nil {
+			return ResolveIP(host)
+		} else {
+			return ip, err
+		}
 	}
 	return ResolveIP(host)
 }
@@ -145,7 +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
 }
 
@@ -158,7 +168,7 @@ func ResolveAllIPv4WithResolver(host string, r Resolver) ([]netip.Addr, error) {
 
 	ip, err := netip.ParseAddr(host)
 	if err == nil {
-		if ip.Is4() {
+		if ip.Is4() || ip.Is4In6() {
 			return []netip.Addr{ip}, nil
 		}
 		return []netip.Addr{}, ErrIPVersion
@@ -185,7 +195,6 @@ func ResolveAllIPv4WithResolver(host string, r Resolver) ([]netip.Addr, error) {
 
 		return []netip.Addr{netip.AddrFrom4(*(*[4]byte)(ip))}, nil
 	}
-
 	return []netip.Addr{}, ErrIPNotFound
 }
 
@@ -194,6 +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)
@@ -204,11 +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 {
@@ -217,39 +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
 }
 
@@ -269,7 +245,6 @@ func ResolveAllIPv6ProxyServerHost(host string) ([]netip.Addr, error) {
 	if ProxyServerHostResolver != nil {
 		return ResolveAllIPv6WithResolver(host, ProxyServerHostResolver)
 	}
-
 	return ResolveAllIPv6(host)
 }
 
@@ -277,7 +252,6 @@ func ResolveAllIPv4ProxyServerHost(host string) ([]netip.Addr, error) {
 	if ProxyServerHostResolver != nil {
 		return ResolveAllIPv4WithResolver(host, ProxyServerHostResolver)
 	}
-
 	return ResolveAllIPv4(host)
 }
 
@@ -285,6 +259,5 @@ func ResolveAllIPProxyServerHost(host string) ([]netip.Addr, error) {
 	if ProxyServerHostResolver != nil {
 		return ResolveAllIPWithResolver(host, ProxyServerHostResolver)
 	}
-
 	return ResolveAllIP(host)
 }

component/resource/fetcher.go

@@ -0,0 +1,213 @@
+package resource
+
+import (
+	"bytes"
+	"crypto/md5"
+	"os"
+	"path/filepath"
+	"time"
+
+	types "github.com/Dreamacro/clash/constant/provider"
+	"github.com/Dreamacro/clash/log"
+)
+
+var (
+	fileMode os.FileMode = 0o666
+	dirMode  os.FileMode = 0o755
+)
+
+type Parser[V any] func([]byte) (V, error)
+
+type Fetcher[V any] struct {
+	resourceType string
+	name         string
+	vehicle      types.Vehicle
+	UpdatedAt    *time.Time
+	ticker       *time.Ticker
+	done         chan struct{}
+	hash         [16]byte
+	parser       Parser[V]
+	interval     time.Duration
+	OnUpdate     func(V)
+}
+
+func (f *Fetcher[V]) Name() string {
+	return f.name
+}
+
+func (f *Fetcher[V]) VehicleType() types.VehicleType {
+	return f.vehicle.Type()
+}
+
+func (f *Fetcher[V]) Initial() (V, error) {
+	var (
+		buf         []byte
+		err         error
+		isLocal     bool
+		forceUpdate bool
+	)
+
+	if stat, fErr := os.Stat(f.vehicle.Path()); fErr == nil {
+		buf, err = os.ReadFile(f.vehicle.Path())
+		modTime := stat.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())
+			forceUpdate = true
+		}
+	} else {
+		buf, err = f.vehicle.Read()
+	}
+
+	if err != nil {
+		return getZero[V](), err
+	}
+
+	var contents V
+	if forceUpdate {
+		var forceBuf []byte
+		if forceBuf, err = f.vehicle.Read(); err == nil {
+			if contents, err = f.parser(forceBuf); err == nil {
+				isLocal = false
+				buf = forceBuf
+			}
+		}
+	}
+
+	if err != nil || !forceUpdate {
+		contents, err = f.parser(buf)
+	}
+
+	if err != nil {
+		if !isLocal {
+			return getZero[V](), err
+		}
+
+		// parse local file error, fallback to remote
+		buf, err = f.vehicle.Read()
+		if err != nil {
+			return getZero[V](), err
+		}
+
+		contents, err = f.parser(buf)
+		if err != nil {
+			return getZero[V](), err
+		}
+
+		isLocal = false
+	}
+
+	if f.vehicle.Type() != types.File && !isLocal {
+		if err := safeWrite(f.vehicle.Path(), buf); err != nil {
+			return getZero[V](), err
+		}
+	}
+
+	f.hash = md5.Sum(buf)
+
+	// pull contents automatically
+	if f.ticker != nil {
+		go f.pullLoop()
+	}
+
+	return contents, nil
+}
+
+func (f *Fetcher[V]) Update() (V, bool, error) {
+	buf, err := f.vehicle.Read()
+	if err != nil {
+		return getZero[V](), false, err
+	}
+
+	now := time.Now()
+	hash := md5.Sum(buf)
+	if bytes.Equal(f.hash[:], hash[:]) {
+		f.UpdatedAt = &now
+		_ = os.Chtimes(f.vehicle.Path(), now, now)
+		return getZero[V](), true, nil
+	}
+
+	contents, err := f.parser(buf)
+	if err != nil {
+		return getZero[V](), false, err
+	}
+
+	if f.vehicle.Type() != types.File {
+		if err := safeWrite(f.vehicle.Path(), buf); err != nil {
+			return getZero[V](), false, err
+		}
+	}
+
+	f.UpdatedAt = &now
+	f.hash = hash
+
+	return contents, false, nil
+}
+
+func (f *Fetcher[V]) Destroy() error {
+	if f.ticker != nil {
+		f.done <- struct{}{}
+	}
+	return nil
+}
+
+func (f *Fetcher[V]) pullLoop() {
+	for {
+		select {
+		case <-f.ticker.C:
+			elm, same, err := f.Update()
+			if err != nil {
+				log.Warnln("[Provider] %s pull error: %s", f.Name(), err.Error())
+				continue
+			}
+
+			if same {
+				log.Debugln("[Provider] %s's content doesn't change", f.Name())
+				continue
+			}
+
+			log.Infoln("[Provider] %s's content update", f.Name())
+			if f.OnUpdate != nil {
+				f.OnUpdate(elm)
+			}
+		case <-f.done:
+			f.ticker.Stop()
+			return
+		}
+	}
+}
+
+func safeWrite(path string, buf []byte) error {
+	dir := filepath.Dir(path)
+
+	if _, err := os.Stat(dir); os.IsNotExist(err) {
+		if err := os.MkdirAll(dir, dirMode); err != nil {
+			return err
+		}
+	}
+
+	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] {
+	var ticker *time.Ticker
+	if interval != 0 {
+		ticker = time.NewTicker(interval)
+	}
+
+	return &Fetcher[V]{
+		name:     name,
+		ticker:   ticker,
+		vehicle:  vehicle,
+		parser:   parser,
+		done:     make(chan struct{}, 1),
+		OnUpdate: onUpdate,
+		interval: interval,
+	}
+}
+
+func getZero[V any]() V {
+	var result V
+	return result
+}

component/resource/vehicle.go

@@ -1,17 +1,13 @@
-package provider
+package resource
 
 import (
 	"context"
-	"github.com/Dreamacro/clash/listener/inner"
+	netHttp "github.com/Dreamacro/clash/component/http"
+	types "github.com/Dreamacro/clash/constant/provider"
 	"io"
-	"net"
 	"net/http"
-	"net/url"
 	"os"
 	"time"
-
-	netHttp "github.com/Dreamacro/clash/common/net"
-	types "github.com/Dreamacro/clash/constant/provider"
 )
 
 type FileVehicle struct {
@@ -50,52 +46,16 @@ func (h *HTTPVehicle) Path() string {
 func (h *HTTPVehicle) Read() ([]byte, error) {
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*20)
 	defer cancel()
-
+	resp, err := netHttp.HttpRequest(ctx, h.url, http.MethodGet, nil, nil)
-	uri, err := url.Parse(h.url)
 	if err != nil {
 		return nil, err
 	}
 
-	req, err := http.NewRequest(http.MethodGet, uri.String(), nil)
-	req.Header.Set("User-Agent", netHttp.UA)
-
-	if err != nil {
-		return nil, err
-	}
-
-	if user := uri.User; user != nil {
-		password, _ := user.Password()
-		req.SetBasicAuth(user.Username(), password)
-	}
-
-	req = req.WithContext(ctx)
-
-	transport := &http.Transport{
-		// from http.DefaultTransport
-		MaxIdleConns:          100,
-		IdleConnTimeout:       90 * time.Second,
-		TLSHandshakeTimeout:   10 * time.Second,
-		ExpectContinueTimeout: 1 * time.Second,
-		DialContext: func(ctx context.Context, network, address string) (net.Conn, error) {
-			conn := inner.HandleTcp(address, uri.Hostname())
-			return conn, nil
-		},
-	}
-
-	client := http.Client{Transport: transport}
-	resp, err := client.Do(req)
-	if err != nil {
-		if err != nil {
-			return nil, err
-		}
-	}
 	defer resp.Body.Close()
-
 	buf, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err
 	}
-
 	return buf, nil
 }
 

component/sniffer/dispatcher.go

@@ -2,46 +2,52 @@ package sniffer
 
 import (
 	"errors"
+	"fmt"
 	"net"
 	"net/netip"
 	"strconv"
+	"sync"
 	"time"
 
-	"github.com/Dreamacro/clash/component/trie"
+	"github.com/Dreamacro/clash/common/cache"
-
+	N "github.com/Dreamacro/clash/common/net"
-	CN "github.com/Dreamacro/clash/common/net"
 	"github.com/Dreamacro/clash/common/utils"
-	"github.com/Dreamacro/clash/component/resolver"
+	"github.com/Dreamacro/clash/component/trie"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/constant/sniffer"
 	"github.com/Dreamacro/clash/log"
 )
 
 var (
 	ErrorUnsupportedSniffer = errors.New("unsupported sniffer")
 	ErrorSniffFailed        = errors.New("all sniffer failed")
+	ErrNoClue               = errors.New("not enough information for making a decision")
 )
 
-var Dispatcher SnifferDispatcher
+var Dispatcher *SnifferDispatcher
 
-type (
+type SnifferDispatcher struct {
-	SnifferDispatcher struct {
+	enable bool
-		enable bool
 
-		sniffers []C.Sniffer
+	sniffers []sniffer.Sniffer
 
-		foreDomain *trie.DomainTrie[bool]
+	forceDomain *trie.DomainTrie[bool]
-		skipSNI    *trie.DomainTrie[bool]
+	skipSNI     *trie.DomainTrie[bool]
-		portRanges *[]utils.Range[uint16]
+	portRanges  *[]utils.Range[uint16]
-	}
+	skipList    *cache.LruCache[string, uint8]
-)
+	rwMux       sync.RWMutex
+
+	forceDnsMapping bool
+	parsePureIp     bool
+}
 
 func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
-	bufConn, ok := conn.(*CN.BufferedConn)
+	bufConn, ok := conn.(*N.BufferedConn)
 	if !ok {
 		return
 	}
 
-	if metadata.Host == "" || sd.foreDomain.Search(metadata.Host) != nil {
+	if (metadata.Host == "" && sd.parsePureIp) || sd.forceDomain.Search(metadata.Host) != nil || (metadata.DNSMode == C.DNSMapping && sd.forceDnsMapping) {
 		port, err := strconv.ParseUint(metadata.DstPort, 10, 16)
 		if err != nil {
 			log.Debugln("[Sniffer] Dst port is error")
@@ -60,7 +66,17 @@ func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
 			return
 		}
 
+		sd.rwMux.RLock()
+		dst := fmt.Sprintf("%s:%s", metadata.DstIP, metadata.DstPort)
+		if count, ok := sd.skipList.Get(dst); ok && count > 5 {
+			log.Debugln("[Sniffer] Skip sniffing[%s] due to multiple failures", dst)
+			defer sd.rwMux.RUnlock()
+			return
+		}
+		sd.rwMux.RUnlock()
+
 		if host, err := sd.sniffDomain(bufConn, metadata); err != nil {
+			sd.cacheSniffFailed(metadata)
 			log.Debugln("[Sniffer] All sniffing sniff failed with from [%s:%s] to [%s:%s]", metadata.SrcIP, metadata.SrcPort, metadata.String(), metadata.DstPort)
 			return
 		} else {
@@ -69,41 +85,56 @@ func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
 				return
 			}
 
+			sd.rwMux.RLock()
+			sd.skipList.Delete(dst)
+			sd.rwMux.RUnlock()
+
 			sd.replaceDomain(metadata, host)
 		}
 	}
 }
 
 func (sd *SnifferDispatcher) replaceDomain(metadata *C.Metadata, host string) {
-	log.Debugln("[Sniffer] Sniff TCP [%s:%s]-->[%s:%s] success, replace domain [%s]-->[%s]",
+	dstIP := ""
-		metadata.SrcIP, metadata.SrcPort,
+	if metadata.DstIP.IsValid() {
-		metadata.DstIP, metadata.DstPort,
+		dstIP = metadata.DstIP.String()
-		metadata.Host, host)
+	}
+	originHost := metadata.Host
+	if originHost != host {
+		log.Infoln("[Sniffer] Sniff TCP [%s:%s]-->[%s:%s] success, replace domain [%s]-->[%s]",
+			metadata.SrcIP, metadata.SrcPort,
+			dstIP, metadata.DstPort,
+			metadata.Host, host)
+	} else {
+		log.Debugln("[Sniffer] Sniff TCP [%s:%s]-->[%s:%s] success, replace domain [%s]-->[%s]",
+			metadata.SrcIP, metadata.SrcPort,
+			dstIP, metadata.DstPort,
+			metadata.Host, host)
+	}
 
 	metadata.AddrType = C.AtypDomainName
 	metadata.Host = host
-	metadata.DNSMode = C.DNSMapping
+	metadata.DNSMode = C.DNSNormal
-	resolver.InsertHostByIP(metadata.DstIP, host)
-	metadata.DstIP = netip.Addr{}
 }
 
 func (sd *SnifferDispatcher) Enable() bool {
 	return sd.enable
 }
 
-func (sd *SnifferDispatcher) sniffDomain(conn *CN.BufferedConn, metadata *C.Metadata) (string, error) {
+func (sd *SnifferDispatcher) sniffDomain(conn *N.BufferedConn, metadata *C.Metadata) (string, error) {
-	for _, sniffer := range sd.sniffers {
+	for _, s := range sd.sniffers {
-		if sniffer.SupportNetwork() == C.TCP {
+		if s.SupportNetwork() == C.TCP {
-			conn.SetReadDeadline(time.Now().Add(3 * time.Second))
+			_ = conn.SetReadDeadline(time.Now().Add(1 * time.Second))
 			_, err := conn.Peek(1)
-			conn.SetReadDeadline(time.Time{})
+			_ = conn.SetReadDeadline(time.Time{})
 			if err != nil {
 				_, ok := err.(*net.OpError)
 				if ok {
-					log.Errorln("[Sniffer] [%s] Maybe read timeout, Consider adding skip", metadata.DstIP.String())
+					sd.cacheSniffFailed(metadata)
-					conn.Close()
+					log.Errorln("[Sniffer] [%s] may not have any sent data, Consider adding skip", metadata.DstIP.String())
+					_ = conn.Close()
 				}
-				log.Errorln("[Sniffer] %v", err)
+
 				return "", err
 			}
 
@@ -114,9 +145,15 @@ func (sd *SnifferDispatcher) sniffDomain(conn *CN.BufferedConn, metadata *C.Meta
 				continue
 			}
 
-			host, err := sniffer.SniffTCP(bytes)
+			host, err := s.SniffTCP(bytes)
 			if err != nil {
-				log.Debugln("[Sniffer] [%s] Sniff data failed %s", sniffer.Protocol(), metadata.DstIP)
+				//log.Debugln("[Sniffer] [%s] Sniff data failed %s", s.Protocol(), metadata.DstIP)
+				continue
+			}
+
+			_, err = netip.ParseAddr(host)
+			if err == nil {
+				//log.Debugln("[Sniffer] [%s] Sniff data failed %s", s.Protocol(), metadata.DstIP)
 				continue
 			}
 
@@ -127,6 +164,17 @@ func (sd *SnifferDispatcher) sniffDomain(conn *CN.BufferedConn, metadata *C.Meta
 	return "", ErrorSniffFailed
 }
 
+func (sd *SnifferDispatcher) cacheSniffFailed(metadata *C.Metadata) {
+	sd.rwMux.Lock()
+	dst := fmt.Sprintf("%s:%s", metadata.DstIP, metadata.DstPort)
+	count, _ := sd.skipList.Get(dst)
+	if count <= 5 {
+		count++
+	}
+	sd.skipList.Set(dst, count)
+	sd.rwMux.Unlock()
+}
+
 func NewCloseSnifferDispatcher() (*SnifferDispatcher, error) {
 	dispatcher := SnifferDispatcher{
 		enable: false,
@@ -135,32 +183,38 @@ func NewCloseSnifferDispatcher() (*SnifferDispatcher, error) {
 	return &dispatcher, nil
 }
 
-func NewSnifferDispatcher(needSniffer []C.SnifferType, forceDomain *trie.DomainTrie[bool],
+func NewSnifferDispatcher(needSniffer []sniffer.Type, forceDomain *trie.DomainTrie[bool],
-	skipSNI *trie.DomainTrie[bool], ports *[]utils.Range[uint16]) (*SnifferDispatcher, error) {
+	skipSNI *trie.DomainTrie[bool], ports *[]utils.Range[uint16],
+	forceDnsMapping bool, parsePureIp bool) (*SnifferDispatcher, error) {
 	dispatcher := SnifferDispatcher{
-		enable:     true,
+		enable:          true,
-		foreDomain: forceDomain,
+		forceDomain:     forceDomain,
-		skipSNI:    skipSNI,
+		skipSNI:         skipSNI,
-		portRanges: ports,
+		portRanges:      ports,
+		skipList:        cache.NewLRUCache[string, uint8](cache.WithSize[string, uint8](128), cache.WithAge[string, uint8](600)),
+		forceDnsMapping: forceDnsMapping,
+		parsePureIp:     parsePureIp,
 	}
 
 	for _, snifferName := range needSniffer {
-		sniffer, err := NewSniffer(snifferName)
+		s, err := NewSniffer(snifferName)
 		if err != nil {
 			log.Errorln("Sniffer name[%s] is error", snifferName)
 			return &SnifferDispatcher{enable: false}, err
 		}
 
-		dispatcher.sniffers = append(dispatcher.sniffers, sniffer)
+		dispatcher.sniffers = append(dispatcher.sniffers, s)
 	}
 
 	return &dispatcher, nil
 }
 
-func NewSniffer(name C.SnifferType) (C.Sniffer, error) {
+func NewSniffer(name sniffer.Type) (sniffer.Sniffer, error) {
 	switch name {
-	case C.TLS:
+	case sniffer.TLS:
 		return &TLSSniffer{}, nil
+	case sniffer.HTTP:
+		return &HTTPSniffer{}, nil
 	default:
 		return nil, ErrorUnsupportedSniffer
 	}

component/sniffer/http_sniffer.go

@@ -0,0 +1,121 @@
+package sniffer
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"net"
+	"strings"
+
+	C "github.com/Dreamacro/clash/constant"
+)
+
+var (
+	// refer to https://pkg.go.dev/net/http@master#pkg-constants
+	methods          = [...]string{"get", "post", "head", "put", "delete", "options", "connect", "patch", "trace"}
+	errNotHTTPMethod = errors.New("not an HTTP method")
+)
+
+type version byte
+
+const (
+	HTTP1 version = iota
+	HTTP2
+)
+
+type HTTPSniffer struct {
+	version version
+	host    string
+}
+
+func (http *HTTPSniffer) Protocol() string {
+	switch http.version {
+	case HTTP1:
+		return "http1"
+	case HTTP2:
+		return "http2"
+	default:
+		return "unknown"
+	}
+}
+
+func (http *HTTPSniffer) SupportNetwork() C.NetWork {
+	return C.TCP
+}
+
+func (http *HTTPSniffer) SniffTCP(bytes []byte) (string, error) {
+	domain, err := SniffHTTP(bytes)
+	if err == nil {
+		return *domain, nil
+	} else {
+		return "", err
+	}
+}
+
+func beginWithHTTPMethod(b []byte) error {
+	for _, m := range &methods {
+		if len(b) >= len(m) && strings.EqualFold(string(b[:len(m)]), m) {
+			return nil
+		}
+
+		if len(b) < len(m) {
+			return ErrNoClue
+		}
+	}
+	return errNotHTTPMethod
+}
+
+func SniffHTTP(b []byte) (*string, error) {
+	if err := beginWithHTTPMethod(b); err != nil {
+		return nil, err
+	}
+
+	_ = &HTTPSniffer{
+		version: HTTP1,
+	}
+
+	headers := bytes.Split(b, []byte{'\n'})
+	for i := 1; i < len(headers); i++ {
+		header := headers[i]
+		if len(header) == 0 {
+			break
+		}
+		parts := bytes.SplitN(header, []byte{':'}, 2)
+		if len(parts) != 2 {
+			continue
+		}
+		key := strings.ToLower(string(parts[0]))
+		if key == "host" {
+			rawHost := strings.ToLower(string(bytes.TrimSpace(parts[1])))
+			host, _, err := net.SplitHostPort(rawHost)
+			if err != nil {
+				if addrError, ok := err.(*net.AddrError); ok && strings.Contains(addrError.Err, "missing port") {
+					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/sniffer/quic_sniffer.go

@@ -0,0 +1,3 @@
+package sniffer
+
+//TODO

component/sniffer/tls_sniffer.go

@@ -11,7 +11,6 @@ import (
 var (
 	errNotTLS         = errors.New("not TLS header")
 	errNotClientHello = errors.New("not client hello")
-	ErrNoClue         = errors.New("not enough information for making a decision")
 )
 
 type TLSSniffer struct {

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 = make([][32]byte, 0, 0)
+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

@@ -2,9 +2,9 @@ package config
 
 import (
 	"container/list"
+	"encoding/json"
 	"errors"
 	"fmt"
-	"github.com/Dreamacro/clash/listener/tun/ipstack/commons"
 	"net"
 	"net/netip"
 	"net/url"
@@ -15,8 +15,8 @@ import (
 	"time"
 
 	"github.com/Dreamacro/clash/common/utils"
-	R "github.com/Dreamacro/clash/rule"
+	R "github.com/Dreamacro/clash/rules"
-	RP "github.com/Dreamacro/clash/rule/provider"
+	RP "github.com/Dreamacro/clash/rules/provider"
 
 	"github.com/Dreamacro/clash/adapter"
 	"github.com/Dreamacro/clash/adapter/outbound"
@@ -30,11 +30,13 @@ import (
 	"github.com/Dreamacro/clash/component/trie"
 	C "github.com/Dreamacro/clash/constant"
 	providerTypes "github.com/Dreamacro/clash/constant/provider"
+	"github.com/Dreamacro/clash/constant/sniffer"
+	snifferTypes "github.com/Dreamacro/clash/constant/sniffer"
 	"github.com/Dreamacro/clash/dns"
 	"github.com/Dreamacro/clash/log"
 	T "github.com/Dreamacro/clash/tunnel"
 
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 // General config
@@ -45,11 +47,15 @@ type General struct {
 	UnifiedDelay  bool
 	LogLevel      log.LogLevel `json:"log-level"`
 	IPv6          bool         `json:"ipv6"`
-	Interface     string       `json:"-"`
+	Interface     string       `json:"interface-name"`
 	RoutingMark   int          `json:"-"`
 	GeodataMode   bool         `json:"geodata-mode"`
 	GeodataLoader string       `json:"geodata-loader"`
 	TCPConcurrent bool         `json:"tcp-concurrent"`
+	EnableProcess bool         `json:"enable-process"`
+	Tun           Tun          `json:"tun"`
+	Sniffing      bool         `json:"sniffing"`
+	EBpf          EBpf         `json:"-"`
 }
 
 // Inbound config
@@ -62,6 +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
@@ -74,6 +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"`
@@ -96,12 +104,6 @@ type FallbackFilter struct {
 	GeoSite   []*router.DomainMatcher `yaml:"geosite"`
 }
 
-var (
-	GroupsList             = list.New()
-	ProxiesList            = list.New()
-	ParsingProxiesCallback func(groupsList *list.List, proxiesList *list.List)
-)
-
 // Profile config
 type Profile struct {
 	StoreSelected bool `yaml:"store-selected"`
@@ -116,6 +118,73 @@ type Tun struct {
 	DNSHijack           []netip.AddrPort `yaml:"dns-hijack" json:"dns-hijack"`
 	AutoRoute           bool             `yaml:"auto-route" json:"auto-route"`
 	AutoDetectInterface bool             `yaml:"auto-detect-interface" json:"auto-detect-interface"`
+	RedirectToTun       []string         `yaml:"-" json:"-"`
+
+	MTU                    uint32         `yaml:"mtu" json:"mtu,omitempty"`
+	Inet4Address           []ListenPrefix `yaml:"inet4-address" json:"inet4_address,omitempty"`
+	Inet6Address           []ListenPrefix `yaml:"inet6-address" json:"inet6_address,omitempty"`
+	StrictRoute            bool           `yaml:"strict-route" json:"strict_route,omitempty"`
+	Inet4RouteAddress      []ListenPrefix `yaml:"inet4_route_address" json:"inet4_route_address,omitempty"`
+	Inet6RouteAddress      []ListenPrefix `yaml:"inet6_route_address" json:"inet6_route_address,omitempty"`
+	IncludeUID             []uint32       `yaml:"include-uid" json:"include_uid,omitempty"`
+	IncludeUIDRange        []string       `yaml:"include-uid-range" json:"include_uid_range,omitempty"`
+	ExcludeUID             []uint32       `yaml:"exclude-uid" json:"exclude_uid,omitempty"`
+	ExcludeUIDRange        []string       `yaml:"exclude-uid-range" json:"exclude_uid_range,omitempty"`
+	IncludeAndroidUser     []int          `yaml:"include-android-user" json:"include_android_user,omitempty"`
+	IncludePackage         []string       `yaml:"include-package" json:"include_package,omitempty"`
+	ExcludePackage         []string       `yaml:"exclude-package" json:"exclude_package,omitempty"`
+	EndpointIndependentNat bool           `yaml:"endpoint-independent-nat" json:"endpoint_independent_nat,omitempty"`
+	UDPTimeout             int64          `yaml:"udp-timeout" json:"udp_timeout,omitempty"`
+}
+
+type ListenPrefix netip.Prefix
+
+func (p ListenPrefix) MarshalJSON() ([]byte, error) {
+	prefix := netip.Prefix(p)
+	if !prefix.IsValid() {
+		return json.Marshal(nil)
+	}
+	return json.Marshal(prefix.String())
+}
+
+func (p ListenPrefix) MarshalYAML() (interface{}, error) {
+	prefix := netip.Prefix(p)
+	if !prefix.IsValid() {
+		return nil, nil
+	}
+	return prefix.String(), nil
+}
+
+func (p *ListenPrefix) UnmarshalJSON(bytes []byte) error {
+	var value string
+	err := json.Unmarshal(bytes, &value)
+	if err != nil {
+		return err
+	}
+	prefix, err := netip.ParsePrefix(value)
+	if err != nil {
+		return err
+	}
+	*p = ListenPrefix(prefix)
+	return nil
+}
+
+func (p *ListenPrefix) UnmarshalYAML(node *yaml.Node) error {
+	var value string
+	err := node.Decode(&value)
+	if err != nil {
+		return err
+	}
+	prefix, err := netip.ParsePrefix(value)
+	if err != nil {
+		return err
+	}
+	*p = ListenPrefix(prefix)
+	return nil
+}
+
+func (p ListenPrefix) Build() netip.Prefix {
+	return netip.Prefix(p)
 }
 
 // IPTables config
@@ -126,17 +195,20 @@ type IPTables struct {
 }
 
 type Sniffer struct {
-	Enable      bool
+	Enable          bool
-	Force       bool
+	Sniffers        []sniffer.Type
-	Sniffers    []C.SnifferType
+	Reverses        *trie.DomainTrie[bool]
-	Reverses    *trie.DomainTrie[bool]
+	ForceDomain     *trie.DomainTrie[bool]
-	ForceDomain *trie.DomainTrie[bool]
+	SkipDomain      *trie.DomainTrie[bool]
-	SkipSNI     *trie.DomainTrie[bool]
+	Ports           *[]utils.Range[uint16]
-	Ports       *[]utils.Range[uint16]
+	ForceDnsMapping bool
+	ParsePureIp     bool
 }
 
 // Experimental config
-type Experimental struct{}
+type Experimental struct {
+	Fingerprints []string `yaml:"fingerprints"`
+}
 
 // Config is clash config manager
 type Config struct {
@@ -148,6 +220,7 @@ type Config struct {
 	Hosts         *trie.DomainTrie[netip.Addr]
 	Profile       *Profile
 	Rules         []C.Rule
+	SubRules      *map[string][]C.Rule
 	Users         []auth.AuthUser
 	Proxies       map[string]C.Proxy
 	Providers     map[string]providerTypes.ProxyProvider
@@ -157,6 +230,7 @@ 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"`
@@ -186,6 +260,23 @@ 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:"-"`
+
+	MTU uint32 `yaml:"mtu" json:"mtu,omitempty"`
+	//Inet4Address           []ListenPrefix `yaml:"inet4-address" json:"inet4_address,omitempty"`
+	Inet6Address           []ListenPrefix `yaml:"inet6-address" json:"inet6_address,omitempty"`
+	StrictRoute            bool           `yaml:"strict-route" json:"strict_route,omitempty"`
+	Inet4RouteAddress      []ListenPrefix `yaml:"inet4_route_address" json:"inet4_route_address,omitempty"`
+	Inet6RouteAddress      []ListenPrefix `yaml:"inet6_route_address" json:"inet6_route_address,omitempty"`
+	IncludeUID             []uint32       `yaml:"include-uid" json:"include_uid,omitempty"`
+	IncludeUIDRange        []string       `yaml:"include-uid-range" json:"include_uid_range,omitempty"`
+	ExcludeUID             []uint32       `yaml:"exclude-uid" json:"exclude_uid,omitempty"`
+	ExcludeUIDRange        []string       `yaml:"exclude-uid-range" json:"exclude_uid_range,omitempty"`
+	IncludeAndroidUser     []int          `yaml:"include-android-user" json:"include_android_user,omitempty"`
+	IncludePackage         []string       `yaml:"include-package" json:"include_package,omitempty"`
+	ExcludePackage         []string       `yaml:"exclude-package" json:"exclude_package,omitempty"`
+	EndpointIndependentNat bool           `yaml:"endpoint-independent-nat" json:"endpoint_independent_nat,omitempty"`
+	UDPTimeout             int64          `yaml:"udp-timeout" json:"udp_timeout,omitempty"`
 }
 
 type RawConfig struct {
@@ -194,6 +285,7 @@ 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"`
@@ -209,31 +301,53 @@ type RawConfig struct {
 	GeodataMode        bool         `yaml:"geodata-mode"`
 	GeodataLoader      string       `yaml:"geodata-loader"`
 	TCPConcurrent      bool         `yaml:"tcp-concurrent" json:"tcp-concurrent"`
+	EnableProcess      bool         `yaml:"enable-process" json:"enable-process"`
 
-	Sniffer       SnifferRaw                `yaml:"sniffer"`
+	Sniffer       RawSniffer                `yaml:"sniffer"`
 	ProxyProvider map[string]map[string]any `yaml:"proxy-providers"`
 	RuleProvider  map[string]map[string]any `yaml:"rule-providers"`
 	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"`
+	GeoXUrl       RawGeoXUrl                `yaml:"geox-url"`
 	Proxy         []map[string]any          `yaml:"proxies"`
 	ProxyGroup    []map[string]any          `yaml:"proxy-groups"`
 	Rule          []string                  `yaml:"rules"`
+	SubRules      map[string][]string       `yaml:"sub-rules"`
 }
 
-type SnifferRaw struct {
+type RawGeoXUrl struct {
-	Enable      bool     `yaml:"enable" json:"enable"`
+	GeoIp   string `yaml:"geoip" json:"geoip"`
-	Sniffing    []string `yaml:"sniffing" json:"sniffing"`
+	Mmdb    string `yaml:"mmdb" json:"mmdb"`
-	Force       bool     `yaml:"force" json:"force"`
+	GeoSite string `yaml:"geosite" json:"geosite"`
-	Reverse     []string `yaml:"reverses" json:"reverses"`
-	ForceDomain []string `yaml:"force-domain" json:"force-domain"`
-	SkipSNI     []string `yaml:"skip-sni" json:"skip-sni"`
-	Ports       []string `yaml:"port-whitelist" json:"port-whitelist"`
 }
 
+type RawSniffer struct {
+	Enable          bool     `yaml:"enable" json:"enable"`
+	Sniffing        []string `yaml:"sniffing" json:"sniffing"`
+	ForceDomain     []string `yaml:"force-domain" json:"force-domain"`
+	SkipDomain      []string `yaml:"skip-domain" json:"skip-domain"`
+	Ports           []string `yaml:"port-whitelist" json:"port-whitelist"`
+	ForceDnsMapping bool     `yaml:"force-dns-mapping" json:"force-dns-mapping"`
+	ParsePureIp     bool     `yaml:"parse-pure-ip" json:"parse-pure-ip"`
+}
+
+// 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)
@@ -249,6 +363,7 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 	rawCfg := &RawConfig{
 		AllowLan:       false,
 		BindAddress:    "*",
+		IPv6:           true,
 		Mode:           T.Rule,
 		GeodataMode:    C.GeodataMode,
 		GeodataLoader:  "memconservative",
@@ -260,13 +375,19 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 		Proxy:          []map[string]any{},
 		ProxyGroup:     []map[string]any{},
 		TCPConcurrent:  false,
+		EnableProcess:  false,
 		Tun: RawTun{
 			Enable:              false,
 			Device:              "",
-			AutoDetectInterface: true,
 			Stack:               C.TunGvisor,
 			DNSHijack:           []string{"0.0.0.0:53"}, // default hijack all dns query
 			AutoRoute:           true,
+			AutoDetectInterface: true,
+			Inet6Address:        []ListenPrefix{ListenPrefix(netip.MustParsePrefix("fdfe:dcba:9876::1/126"))},
+		},
+		EBpf: EBpf{
+			RedirectToTun: []string{},
+			AutoRedir:     []string{},
 		},
 		IPTables: IPTables{
 			Enable:           false,
@@ -275,6 +396,7 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 		},
 		DNS: RawDNS{
 			Enable:       false,
+			IPv6:         false,
 			UseHosts:     true,
 			EnhancedMode: C.DNSMapping,
 			FakeIPRange:  "198.18.0.1/16",
@@ -300,18 +422,23 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 				"www.msftconnecttest.com",
 			},
 		},
-		Sniffer: SnifferRaw{
+		Sniffer: RawSniffer{
-			Enable:      false,
+			Enable:          false,
-			Force:       false,
+			Sniffing:        []string{},
-			Sniffing:    []string{},
+			ForceDomain:     []string{},
-			Reverse:     []string{},
+			SkipDomain:      []string{},
-			ForceDomain: []string{},
+			Ports:           []string{},
-			SkipSNI:     []string{},
+			ForceDnsMapping: true,
-			Ports:       []string{},
+			ParsePureIp:     true,
 		},
 		Profile: Profile{
 			StoreSelected: true,
 		},
+		GeoXUrl: RawGeoXUrl{
+			GeoIp:   "https://ghproxy.com/https://raw.githubusercontent.com/Loyalsoldier/v2ray-rules-dat/release/geoip.dat",
+			Mmdb:    "https://ghproxy.com/https://raw.githubusercontent.com/Loyalsoldier/geoip/release/Country.mmdb",
+			GeoSite: "https://ghproxy.com/https://raw.githubusercontent.com/Loyalsoldier/v2ray-rules-dat/release/geosite.dat",
+		},
 	}
 
 	if err := yaml.Unmarshal(buf, rawCfg); err != nil {
@@ -335,12 +462,6 @@ func ParseRawConfig(rawCfg *RawConfig) (*Config, error) {
 	}
 	config.General = general
 
-	tunCfg, err := parseTun(rawCfg.Tun, config.General)
-	if err != nil {
-		return nil, err
-	}
-	config.Tun = tunCfg
-
 	dialer.DefaultInterface.Store(config.General.Interface)
 
 	proxies, providers, err := parseProxies(rawCfg)
@@ -350,12 +471,18 @@ func ParseRawConfig(rawCfg *RawConfig) (*Config, error) {
 	config.Proxies = proxies
 	config.Providers = providers
 
-	rules, ruleProviders, err := parseRules(rawCfg, proxies)
+	subRules, ruleProviders, err := parseSubRules(rawCfg, proxies)
+	if err != nil {
+		return nil, err
+	}
+	config.SubRules = subRules
+	config.RuleProviders = ruleProviders
+
+	rules, err := parseRules(rawCfg, proxies, subRules)
 	if err != nil {
 		return nil, err
 	}
 	config.Rules = rules
-	config.RuleProviders = ruleProviders
 
 	hosts, err := parseHosts(rawCfg)
 	if err != nil {
@@ -369,6 +496,12 @@ func ParseRawConfig(rawCfg *RawConfig) (*Config, error) {
 	}
 	config.DNS = dnsCfg
 
+	tunCfg, err := parseTun(rawCfg.Tun, config.General, dnsCfg)
+	if err != nil {
+		return nil, err
+	}
+	config.Tun = tunCfg
+
 	config.Users = parseAuthentication(rawCfg.Authentication)
 
 	config.Sniffer, err = parseSniffer(rawCfg.Sniffer)
@@ -392,7 +525,7 @@ 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,
@@ -402,6 +535,7 @@ func parseGeneral(cfg *RawConfig) (*General, error) {
 			MixedPort:   cfg.MixedPort,
 			AllowLan:    cfg.AllowLan,
 			BindAddress: cfg.BindAddress,
+			InboundTfo:  cfg.InboundTfo,
 		},
 		Controller: Controller{
 			ExternalController: cfg.ExternalController,
@@ -417,6 +551,8 @@ func parseGeneral(cfg *RawConfig) (*General, error) {
 		GeodataMode:   cfg.GeodataMode,
 		GeodataLoader: cfg.GeodataLoader,
 		TCPConcurrent: cfg.TCPConcurrent,
+		EnableProcess: cfg.EnableProcess,
+		EBpf:          cfg.EBpf,
 	}, nil
 }
 
@@ -428,8 +564,8 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
 	providersConfig := cfg.ProxyProvider
 
 	var proxyList []string
-	_proxiesList := list.New()
+	proxiesList := list.New()
-	_groupsList := list.New()
+	groupsList := list.New()
 
 	proxies["DIRECT"] = adapter.NewProxy(outbound.NewDirect())
 	proxies["REJECT"] = adapter.NewProxy(outbound.NewReject())
@@ -449,7 +585,7 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
 		}
 		proxies[proxy.Name()] = proxy
 		proxyList = append(proxyList, proxy.Name())
-		_proxiesList.PushBack(mapping)
+		proxiesList.PushBack(mapping)
 	}
 
 	// keep the original order of ProxyGroups in config file
@@ -459,7 +595,7 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
 			return nil, nil, fmt.Errorf("proxy group %d: missing name", idx)
 		}
 		proxyList = append(proxyList, groupName)
-		_groupsList.PushBack(mapping)
+		groupsList.PushBack(mapping)
 	}
 
 	// check if any loop exists and sort the ProxyGroups
@@ -514,8 +650,8 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
 		[]providerTypes.ProxyProvider{pd},
 	)
 	proxies["GLOBAL"] = adapter.NewProxy(global)
-	ProxiesList = _proxiesList
+	ProxiesList = proxiesList
-	GroupsList = _groupsList
+	GroupsList = groupsList
 	if ParsingProxiesCallback != nil {
 		// refresh tray menu
 		go ParsingProxiesCallback(GroupsList, ProxiesList)
@@ -523,12 +659,13 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
 	return proxies, providersMap, nil
 }
 
-func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, map[string]providerTypes.RuleProvider, error) {
+func parseSubRules(cfg *RawConfig, proxies map[string]C.Proxy) (subRules *map[string][]C.Rule, ruleProviders map[string]providerTypes.RuleProvider, err error) {
-	ruleProviders := map[string]providerTypes.RuleProvider{}
+	ruleProviders = map[string]providerTypes.RuleProvider{}
+	subRules = &map[string][]C.Rule{}
 	log.Infoln("Geodata Loader mode: %s", geodata.LoaderName())
 	// parse rule provider
 	for name, mapping := range cfg.RuleProvider {
-		rp, err := RP.ParseRuleProvider(name, mapping)
+		rp, err := RP.ParseRuleProvider(name, mapping, R.ParseRule)
 		if err != nil {
 			return nil, nil, err
 		}
@@ -537,9 +674,104 @@ func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, map[strin
 		RP.SetRuleProvider(rp)
 	}
 
+	for name, rawRules := range cfg.SubRules {
+		var rules []C.Rule
+		for idx, line := range rawRules {
+			rawRule := trimArr(strings.Split(line, ","))
+			var (
+				payload  string
+				target   string
+				params   []string
+				ruleName = strings.ToUpper(rawRule[0])
+			)
+
+			l := len(rawRule)
+
+			if ruleName == "NOT" || ruleName == "OR" || ruleName == "AND" || ruleName == "SUB-RULE" {
+				target = rawRule[l-1]
+				payload = strings.Join(rawRule[1:l-1], ",")
+			} else {
+				if l < 2 {
+					return nil, nil, fmt.Errorf("sub-rules[%d] [%s] error: format invalid", idx, line)
+				}
+				if l < 4 {
+					rawRule = append(rawRule, make([]string, 4-l)...)
+				}
+				if ruleName == "MATCH" {
+					l = 2
+				}
+				if l >= 3 {
+					l = 3
+					payload = rawRule[1]
+				}
+				target = rawRule[l-1]
+				params = rawRule[l:]
+			}
+
+			if _, ok := proxies[target]; !ok && ruleName != "SUB-RULE" {
+				return nil, nil, fmt.Errorf("sub-rules[%d:%s] [%s] error: proxy [%s] not found", idx, name, line, target)
+			}
+
+			params = trimArr(params)
+			parsed, parseErr := R.ParseRule(ruleName, payload, target, params, subRules)
+			if parseErr != nil {
+				return nil, nil, fmt.Errorf("sub-rules[%d] [%s] error: %s", idx, line, parseErr.Error())
+			}
+
+			rules = append(rules, parsed)
+		}
+		(*subRules)[name] = rules
+	}
+
+	if err = verifySubRule(subRules); err != nil {
+		return nil, nil, err
+	}
+
+	return
+}
+
+func verifySubRule(subRules *map[string][]C.Rule) error {
+	for name := range *subRules {
+		err := verifySubRuleCircularReferences(name, subRules, []string{})
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func verifySubRuleCircularReferences(n string, subRules *map[string][]C.Rule, arr []string) error {
+	isInArray := func(v string, array []string) bool {
+		for _, c := range array {
+			if v == c {
+				return true
+			}
+		}
+		return false
+	}
+
+	arr = append(arr, n)
+	for i, rule := range (*subRules)[n] {
+		if rule.RuleType() == C.SubRules {
+			if _, ok := (*subRules)[rule.Adapter()]; !ok {
+				return fmt.Errorf("sub-rule[%d:%s] error: [%s] not found", i, n, rule.Adapter())
+			}
+			if isInArray(rule.Adapter(), arr) {
+				arr = append(arr, rule.Adapter())
+				return fmt.Errorf("sub-rule error: circular references [%s]", strings.Join(arr, "->"))
+			}
+
+			if err := verifySubRuleCircularReferences(rule.Adapter(), subRules, arr); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func parseRules(cfg *RawConfig, proxies map[string]C.Proxy, subRules *map[string][]C.Rule) ([]C.Rule, error) {
 	var rules []C.Rule
 	rulesConfig := cfg.Rule
-	mode := cfg.Mode
 
 	// parse rules
 	for idx, line := range rulesConfig {
@@ -551,18 +783,14 @@ func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, map[strin
 			ruleName = strings.ToUpper(rule[0])
 		)
 
-		if mode == T.Script && ruleName != "GEOSITE" {
-			continue
-		}
-
 		l := len(rule)
 
-		if ruleName == "NOT" || ruleName == "OR" || ruleName == "AND" {
+		if ruleName == "NOT" || ruleName == "OR" || ruleName == "AND" || ruleName == "SUB-RULE" {
 			target = rule[l-1]
 			payload = strings.Join(rule[1:l-1], ",")
 		} else {
 			if l < 2 {
-				return nil, nil, fmt.Errorf("rules[%d] [%s] error: format invalid", idx, line)
+				return nil, fmt.Errorf("rules[%d] [%s] error: format invalid", idx, line)
 			}
 			if l < 4 {
 				rule = append(rule, make([]string, 4-l)...)
@@ -577,22 +805,18 @@ func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, map[strin
 			target = rule[l-1]
 			params = rule[l:]
 		}
-
 		if _, ok := proxies[target]; !ok {
-			return nil, nil, fmt.Errorf("rules[%d] [%s] error: proxy [%s] not found", idx, line, target)
+			if ruleName != "SUB-RULE" {
+				return nil, fmt.Errorf("rules[%d] [%s] error: proxy [%s] not found", idx, line, target)
+			} else if _, ok = (*subRules)[target]; !ok {
+				return nil, fmt.Errorf("rules[%d] [%s] error: sub-rule [%s] not found", idx, line, target)
+			}
 		}
 
 		params = trimArr(params)
-
+		parsed, parseErr := R.ParseRule(ruleName, payload, target, params, subRules)
-		if ruleName == "GEOSITE" {
-			if err := initGeoSite(); err != nil {
-				return nil, nil, fmt.Errorf("can't initial GeoSite: %s", err)
-			}
-			initMode = false
-		}
-		parsed, parseErr := R.ParseRule(ruleName, payload, target, params)
 		if parseErr != nil {
-			return nil, nil, fmt.Errorf("rules[%d] [%s] error: %s", idx, line, parseErr.Error())
+			return nil, fmt.Errorf("rules[%d] [%s] error: %s", idx, line, parseErr.Error())
 		}
 
 		rules = append(rules, parsed)
@@ -600,7 +824,7 @@ func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, map[strin
 
 	runtime.GC()
 
-	return rules, ruleProviders, nil
+	return rules, nil
 }
 
 func parseHosts(cfg *RawConfig) (*trie.DomainTrie[netip.Addr], error) {
@@ -654,7 +878,8 @@ 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")
@@ -669,11 +894,25 @@ 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
 		case "quic":
-			addr, err = hostWithDefaultPort(u.Host, "784")
+			addr, err = hostWithDefaultPort(u.Host, "853")
 			dnsNetType = "quic" // DNS over QUIC
 		default:
 			return nil, fmt.Errorf("DNS NameServer[%d] unsupport scheme: %s", idx, u.Scheme)
@@ -688,8 +927,9 @@ func parseNameServer(servers []string) ([]dns.NameServer, error) {
 			dns.NameServer{
 				Net:          dnsNetType,
 				Addr:         addr,
-				ProxyAdapter: u.Fragment,
+				ProxyAdapter: proxyAdapter,
 				Interface:    dialer.DefaultInterface,
+				Params:       params,
 			},
 		)
 	}
@@ -730,7 +970,7 @@ func parseFallbackIPCIDR(ips []string) ([]*netip.Prefix, error) {
 func parseFallbackGeoSite(countries []string, rules []C.Rule) ([]*router.DomainMatcher, error) {
 	var sites []*router.DomainMatcher
 	if len(countries) > 0 {
-		if err := initGeoSite(); err != nil {
+		if err := geodata.InitGeoSite(); err != nil {
 			return nil, fmt.Errorf("can't initial GeoSite: %s", err)
 		}
 	}
@@ -771,6 +1011,7 @@ 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{
@@ -806,8 +1047,10 @@ 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")
+				}
 			}
 		}
 	}
@@ -883,18 +1126,7 @@ func parseAuthentication(rawRecords []string) []auth.AuthUser {
 	return users
 }
 
-func parseTun(rawTun RawTun, general *General) (*Tun, error) {
+func parseTun(rawTun RawTun, general *General, dnsCfg *DNS) (*Tun, error) {
-	if rawTun.Enable && rawTun.AutoDetectInterface {
-		autoDetectInterfaceName, err := commons.GetAutoDetectInterface()
-		if err != nil {
-			log.Warnln("Can not find auto detect interface.[%s]", err)
-		} else {
-			log.Warnln("Auto detect interface: %s", autoDetectInterfaceName)
-		}
-
-		general.Interface = autoDetectInterfaceName
-	}
-
 	var dnsHijack []netip.AddrPort
 
 	for _, d := range rawTun.DNSHijack {
@@ -910,6 +1142,14 @@ func parseTun(rawTun RawTun, general *General) (*Tun, error) {
 		dnsHijack = append(dnsHijack, addrPort)
 	}
 
+	var tunAddressPrefix netip.Prefix
+	if dnsCfg.FakeIPRange != nil {
+		tunAddressPrefix = *dnsCfg.FakeIPRange.IPNet()
+	} else {
+		tunAddressPrefix = netip.MustParsePrefix("198.18.0.1/16")
+	}
+	tunAddressPrefix = netip.PrefixFrom(tunAddressPrefix.Addr(), 30)
+
 	return &Tun{
 		Enable:              rawTun.Enable,
 		Device:              rawTun.Device,
@@ -917,18 +1157,37 @@ func parseTun(rawTun RawTun, general *General) (*Tun, error) {
 		DNSHijack:           dnsHijack,
 		AutoRoute:           rawTun.AutoRoute,
 		AutoDetectInterface: rawTun.AutoDetectInterface,
+		RedirectToTun:       rawTun.RedirectToTun,
+
+		MTU:                    rawTun.MTU,
+		Inet4Address:           []ListenPrefix{ListenPrefix(tunAddressPrefix)},
+		Inet6Address:           rawTun.Inet6Address,
+		StrictRoute:            rawTun.StrictRoute,
+		Inet4RouteAddress:      rawTun.Inet4RouteAddress,
+		Inet6RouteAddress:      rawTun.Inet6RouteAddress,
+		IncludeUID:             rawTun.IncludeUID,
+		IncludeUIDRange:        rawTun.IncludeUIDRange,
+		ExcludeUID:             rawTun.ExcludeUID,
+		ExcludeUIDRange:        rawTun.ExcludeUIDRange,
+		IncludeAndroidUser:     rawTun.IncludeAndroidUser,
+		IncludePackage:         rawTun.IncludePackage,
+		ExcludePackage:         rawTun.ExcludePackage,
+		EndpointIndependentNat: rawTun.EndpointIndependentNat,
+		UDPTimeout:             rawTun.UDPTimeout,
 	}, nil
 }
 
-func parseSniffer(snifferRaw SnifferRaw) (*Sniffer, error) {
+func parseSniffer(snifferRaw RawSniffer) (*Sniffer, error) {
 	sniffer := &Sniffer{
-		Enable: snifferRaw.Enable,
+		Enable:          snifferRaw.Enable,
-		Force:  snifferRaw.Force,
+		ForceDnsMapping: snifferRaw.ForceDnsMapping,
+		ParsePureIp:     snifferRaw.ParsePureIp,
 	}
 
 	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, "-")
@@ -954,11 +1213,11 @@ func parseSniffer(snifferRaw SnifferRaw) (*Sniffer, error) {
 
 	sniffer.Ports = &ports
 
-	loadSniffer := make(map[C.SnifferType]struct{})
+	loadSniffer := make(map[snifferTypes.Type]struct{})
 
 	for _, snifferName := range snifferRaw.Sniffing {
 		find := false
-		for _, snifferType := range C.SnifferList {
+		for _, snifferType := range snifferTypes.List {
 			if snifferType.String() == strings.ToUpper(snifferName) {
 				find = true
 				loadSniffer[snifferType] = struct{}{}
@@ -973,7 +1232,6 @@ func parseSniffer(snifferRaw SnifferRaw) (*Sniffer, error) {
 	for st := range loadSniffer {
 		sniffer.Sniffers = append(sniffer.Sniffers, st)
 	}
-
 	sniffer.ForceDomain = trie.New[bool]()
 	for _, domain := range snifferRaw.ForceDomain {
 		err := sniffer.ForceDomain.Insert(domain, true)
@@ -982,35 +1240,13 @@ func parseSniffer(snifferRaw SnifferRaw) (*Sniffer, error) {
 		}
 	}
 
-	sniffer.SkipSNI = trie.New[bool]()
+	sniffer.SkipDomain = trie.New[bool]()
-	for _, domain := range snifferRaw.SkipSNI {
+	for _, domain := range snifferRaw.SkipDomain {
-		err := sniffer.SkipSNI.Insert(domain, true)
+		err := sniffer.SkipDomain.Insert(domain, true)
 		if err != nil {
 			return nil, fmt.Errorf("error domian[%s] in force-domain, error:%v", domain, err)
 		}
 	}
 
-	// Compatibility, remove it when release
-	if strings.Contains(C.Version, "alpha") || strings.Contains(C.Version, "develop") || strings.Contains(C.Version, "1.10.0") {
-		log.Warnln("Sniffer param force and reverses deprecated, will be removed in the release version, see https://github.com/MetaCubeX/Clash.Meta/commit/48a01adb7a4f38974b9d9639f931d0d245aebf28")
-		if snifferRaw.Force {
-			// match all domain
-			sniffer.ForceDomain.Insert("+", true)
-			for _, domain := range snifferRaw.Reverse {
-				err := sniffer.SkipSNI.Insert(domain, true)
-				if err != nil {
-					return nil, fmt.Errorf("error domian[%s], error:%v", domain, err)
-				}
-			}
-		} else {
-			for _, domain := range snifferRaw.Reverse {
-				err := sniffer.ForceDomain.Insert(domain, true)
-				if err != nil {
-					return nil, fmt.Errorf("error domian[%s], error:%v", domain, err)
-				}
-			}
-		}
-	}
-
 	return sniffer, nil
 }

config/initial.go

@@ -12,10 +12,8 @@ import (
 	"github.com/Dreamacro/clash/log"
 )
 
-var initMode = true
-
 func downloadMMDB(path string) (err error) {
-	resp, err := http.Get("https://raw.githubusercontents.com/Loyalsoldier/geoip/release/Country.mmdb")
+	resp, err := http.Get(C.MmdbUrl)
 	if err != nil {
 		return
 	}
@@ -32,7 +30,7 @@ func downloadMMDB(path string) (err error) {
 }
 
 func downloadGeoIP(path string) (err error) {
-	resp, err := http.Get("https://raw.githubusercontents.com/Loyalsoldier/v2ray-rules-dat/release/geoip.dat")
+	resp, err := http.Get(C.GeoIpUrl)
 	if err != nil {
 		return
 	}
@@ -48,45 +46,6 @@ func downloadGeoIP(path string) (err error) {
 	return err
 }
 
-func downloadGeoSite(path string) (err error) {
-	resp, err := http.Get("https://raw.githubusercontents.com/Loyalsoldier/v2ray-rules-dat/release/geosite.dat")
-	if err != nil {
-		return
-	}
-	defer resp.Body.Close()
-
-	f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0o644)
-	if err != nil {
-		return err
-	}
-	defer f.Close()
-	_, err = io.Copy(f, resp.Body)
-
-	return err
-}
-
-func initGeoSite() error {
-	if _, err := os.Stat(C.Path.GeoSite()); os.IsNotExist(err) {
-		log.Infoln("Can't find GeoSite.dat, start download")
-		if err := downloadGeoSite(C.Path.GeoSite()); err != nil {
-			return fmt.Errorf("can't download GeoSite.dat: %s", err.Error())
-		}
-		log.Infoln("Download GeoSite.dat finish")
-	}
-	if initMode {
-		if !geodata.Verify(C.GeositeName) {
-			log.Warnln("GeoSite.dat invalid, remove and download")
-			if err := os.Remove(C.Path.GeoSite()); err != nil {
-				return fmt.Errorf("can't remove invalid GeoSite.dat: %s", err.Error())
-			}
-			if err := downloadGeoSite(C.Path.GeoSite()); err != nil {
-				return fmt.Errorf("can't download GeoSite.dat: %s", err.Error())
-			}
-		}
-	}
-	return nil
-}
-
 func initGeoIP() error {
 	if C.GeodataMode {
 		if _, err := os.Stat(C.Path.GeoIP()); os.IsNotExist(err) {
@@ -97,8 +56,8 @@ func initGeoIP() error {
 			log.Infoln("Download GeoIP.dat finish")
 		}
 
-		if !geodata.Verify(C.GeoipName) {
+		if err := geodata.Verify(C.GeoipName); err != nil {
-			log.Warnln("GeoIP.dat invalid, remove and download")
+			log.Warnln("GeoIP.dat invalid, remove and download: %s", err)
 			if err := os.Remove(C.Path.GeoIP()); err != nil {
 				return fmt.Errorf("can't remove invalid GeoIP.dat: %s", err.Error())
 			}
@@ -159,6 +118,9 @@ func Init(dir string) error {
 	if !C.GeodataMode {
 		C.GeodataMode = rawCfg.GeodataMode
 	}
+	C.GeoIpUrl = rawCfg.GeoXUrl.GeoIp
+	C.GeoSiteUrl = rawCfg.GeoXUrl.GeoSite
+	C.MmdbUrl = rawCfg.GeoXUrl.Mmdb
 	// initial GeoIP
 	if err := initGeoIP(); err != nil {
 		return fmt.Errorf("can't initial GeoIP: %w", err)

config/updateGeo.go

@@ -0,0 +1,81 @@
+package config
+
+import (
+	"fmt"
+	"github.com/Dreamacro/clash/component/geodata"
+	_ "github.com/Dreamacro/clash/component/geodata/standard"
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/oschwald/geoip2-golang"
+	"io"
+	"net/http"
+	"os"
+	"runtime"
+)
+
+func UpdateGeoDatabases() error {
+	defer runtime.GC()
+	geoLoader, err := geodata.GetGeoDataLoader("standard")
+	if err != nil {
+		return err
+	}
+
+	if C.GeodataMode {
+		data, err := downloadForBytes(C.GeoIpUrl)
+		if err != nil {
+			return fmt.Errorf("can't download GeoIP database file: %w", err)
+		}
+
+		if _, err = geoLoader.LoadIPByBytes(data, "cn"); err != nil {
+			return fmt.Errorf("invalid GeoIP database file: %s", err)
+		}
+
+		if saveFile(data, C.Path.GeoIP()) != nil {
+			return fmt.Errorf("can't save GeoIP database file: %w", err)
+		}
+
+	} else {
+		data, err := downloadForBytes(C.MmdbUrl)
+		if err != nil {
+			return fmt.Errorf("can't download MMDB database file: %w", err)
+		}
+
+		instance, err := geoip2.FromBytes(data)
+		if err != nil {
+			return fmt.Errorf("invalid MMDB database file: %s", err)
+		}
+		_ = instance.Close()
+
+		if saveFile(data, C.Path.MMDB()) != nil {
+			return fmt.Errorf("can't save MMDB database file: %w", err)
+		}
+	}
+
+	data, err := downloadForBytes(C.GeoSiteUrl)
+	if err != nil {
+		return fmt.Errorf("can't download GeoSite database file: %w", err)
+	}
+
+	if _, err = geoLoader.LoadSiteByBytes(data, "cn"); err != nil {
+		return fmt.Errorf("invalid GeoSite database file: %s", err)
+	}
+
+	if saveFile(data, C.Path.GeoSite()) != nil {
+		return fmt.Errorf("can't save GeoSite database file: %w", err)
+	}
+
+	return nil
+}
+
+func downloadForBytes(url string) ([]byte, error) {
+	resp, err := http.Get(url)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	return io.ReadAll(resp.Body)
+}
+
+func saveFile(bytes []byte, path string) error {
+	return os.WriteFile(path, bytes, 0o644)
+}

constant/adapters.go

@@ -30,6 +30,7 @@ const (
 	Vmess
 	Vless
 	Trojan
+	Hysteria
 )
 
 const (
@@ -41,6 +42,7 @@ const (
 type Connection interface {
 	Chains() Chain
 	AppendToChains(adapter ProxyAdapter)
+	RemoteDestination() string
 }
 
 type Chain []string
@@ -104,7 +106,13 @@ type ProxyAdapter interface {
 	ListenPacketOnStreamConn(c net.Conn, metadata *Metadata) (PacketConn, error)
 
 	// Unwrap extracts the proxy from a proxy-group. It returns nil when nothing to extract.
-	Unwrap(metadata *Metadata) Proxy
+	Unwrap(metadata *Metadata, touch bool) Proxy
+}
+
+type Group interface {
+	URLTest(ctx context.Context, url string) (mp map[string]uint16, err error)
+	GetProxies(touch bool) []Proxy
+	Touch()
 }
 
 type DelayHistory struct {
@@ -155,6 +163,8 @@ func (at AdapterType) String() string {
 		return "Vless"
 	case Trojan:
 		return "Trojan"
+	case Hysteria:
+		return "Hysteria"
 
 	case Relay:
 		return "Relay"

constant/dns.go

@@ -16,6 +16,7 @@ const (
 	DNSNormal DNSMode = iota
 	DNSFakeIP
 	DNSMapping
+	DNSHosts
 )
 
 type DNSMode int
@@ -64,7 +65,52 @@ func (e DNSMode) String() string {
 		return "fake-ip"
 	case DNSMapping:
 		return "redir-host"
+	case DNSHosts:
+		return "hosts"
 	default:
 		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/features/no_doq.go

@@ -0,0 +1,7 @@
+//go:build no_doq
+
+package features
+
+func init() {
+	TAGS = append(TAGS, "no_doq")
+}