Merge branch 'Alpha' into Meta

chore: handle provider proxies  in proxies api

.github/genReleaseNote.sh

@@ -1 +1,32 @@
-git log --pretty=format:"* %s by @%an" v1.14.x..v1.14.y | sort -f | uniq > release.md
+#!/bin/bash
+
+while getopts "v:" opt; do
+  case $opt in
+    v)
+      version_range=$OPTARG
+      ;;
+    \?)
+      echo "Invalid option: -$OPTARG" >&2
+      exit 1
+      ;;
+  esac
+done
+
+if [ -z "$version_range" ]; then
+  echo "Please provide the version range using -v option. Example: ./genReleashNote.sh -v v1.14.1...v1.14.2"
+  exit 1
+fi
+
+echo "## What's Changed" > release.md
+git log --pretty=format:"* %s by @%an" --grep="^feat" -i $version_range | sort -f | uniq >> release.md
+echo "" >> release.md
+
+echo "## BUG & Fix" >> release.md
+git log --pretty=format:"* %s by @%an" --grep="^fix" -i $version_range | sort -f | uniq >> release.md
+echo "" >> release.md
+
+echo "## Maintenance" >> release.md
+git log --pretty=format:"* %s by @%an" --grep="^chore\|^docs\|^refactor" -i $version_range | sort -f | uniq >> release.md
+echo "" >> release.md
+
+echo "**Full Changelog**: https://github.com/MetaCubeX/Clash.Meta/compare/$version_range" >> release.md

.github/workflows/build.yml

@@ -94,11 +94,6 @@ jobs:
         run: echo "VERSION=alpha-$(git rev-parse --short HEAD)" >> $GITHUB_ENV
         shell: bash
 
-      - name: Set variables
-        if: ${{github.ref_name=='Beta'}}
-        run: echo "VERSION=beta-$(git rev-parse --short HEAD)" >> $GITHUB_ENV
-        shell: bash
-
       - name: Set variables
         if: ${{github.ref_name=='Meta'}}
         run: echo "VERSION=meta-$(git rev-parse --short HEAD)" >> $GITHUB_ENV
@@ -128,7 +123,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: "1.20"
+          go-version: "1.21"
           check-latest: true
 
       - name: Test
@@ -147,7 +142,7 @@ jobs:
         if: ${{ matrix.job.type=='WithCGO' && matrix.job.target=='android' }}
         id: setup-ndk
         with:
-          ndk-version: r25b
+          ndk-version: r26
           add-to-path: false
           local-cache: true
 
@@ -209,7 +204,7 @@ jobs:
 
   Upload-Prerelease:
     permissions: write-all
-    if: ${{ github.ref_type=='branch' }}
+    if: ${{ github.ref_type=='branch' && github.event_name != 'pull_request' }}
     needs: [Build]
     runs-on: ubuntu-latest
     steps:
@@ -267,6 +262,23 @@ jobs:
     needs: [Build]
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Get tags
+        run: |
+          echo "CURRENTVERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
+          git fetch --tags
+          echo "PREVERSION=$(git describe --tags --abbrev=0 HEAD^)" >> $GITHUB_ENV
+
+      - name: Generate release notes
+        run: |
+          cp ./.github/genReleaseNote.sh ./
+          bash ./genReleaseNote.sh -v ${PREVERSION}...${CURRENTVERSION}
+          rm ./genReleaseNote.sh
+
       - uses: actions/download-artifact@v3
         with:
           name: artifact
@@ -283,8 +295,10 @@ jobs:
           tag_name: ${{ github.ref_name }}
           files: bin/*
           generate_release_notes: true
+          body_path: release.md
 
   Docker:
+    if: ${{ github.event_name != 'pull_request'  }}
     permissions: write-all
     needs: [Build]
     runs-on: ubuntu-latest

Dockerfile

@@ -4,9 +4,9 @@ RUN echo "I'm building for $TARGETPLATFORM"
 
 RUN apk add --no-cache gzip && \
     mkdir /clash-config && \
-    wget -O /clash-config/Country.mmdb https://raw.githubusercontent.com/Loyalsoldier/geoip/release/Country.mmdb && \
-    wget -O /clash-config/geosite.dat https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat && \
-    wget -O /clash-config/geoip.dat https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geoip.dat
+    wget -O /clash-config/geoip.metadb https://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geoip.metadb && \
+    wget -O /clash-config/geosite.dat https://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geosite.dat && \
+    wget -O /clash-config/geoip.dat https://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geoip.dat
 
 COPY docker/file-name.sh /clash/file-name.sh
 WORKDIR /clash

Makefile

@@ -31,6 +31,8 @@ PLATFORM_LIST = \
 	linux-mips-hardfloat \
 	linux-mipsle-softfloat \
 	linux-mipsle-hardfloat \
+	linux-riscv64 \
+	linux-loong64 \
 	android-arm64 \
 	freebsd-386 \
 	freebsd-amd64 \
@@ -103,6 +105,9 @@ linux-mips64le:
 
 linux-riscv64:
 	GOARCH=riscv64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+	
+linux-loong64:
+	GOARCH=loong64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
 android-arm64:
 	GOARCH=arm64 GOOS=android $(GOBUILD) -o $(BINDIR)/$(NAME)-$@

README.md

@@ -24,13 +24,22 @@
 - VMess, Shadowsocks, Trojan, Snell protocol support for remote connections
 - Built-in DNS server that aims to minimize DNS pollution attack impact, supports DoH/DoT upstream and fake IP.
 - Rules based off domains, GEOIP, IPCIDR or Process to forward packets to different nodes
-- Remote groups allow users to implement powerful rules. Supports automatic fallback, load balancing or auto select node based off latency
-- Remote providers, allowing users to get node lists remotely instead of hardcoding in config
+- Remote groups allow users to implement powerful rules. Supports automatic fallback, load balancing or auto select node
+  based off latency
+- Remote providers, allowing users to get node lists remotely instead of hard-coding in config
 - Netfilter TCP redirecting. Deploy Clash on your Internet gateway with `iptables`.
 - Comprehensive HTTP RESTful API controller
 
+## Dashboard
+
+We made an official web dashboard providing first class support for this project, check it out
+at [metacubexd](https://github.com/MetaCubeX/metacubexd)
+
 ## Wiki
-Configuration examples can be found at [/docs/config.yaml](https://github.com/MetaCubeX/Clash.Meta/blob/Alpha/docs/config.yaml), while documentation can be found [Clash.Meta Wiki](https://clash-meta.wiki).
+
+Configuration examples can be found
+at [/docs/config.yaml](https://github.com/MetaCubeX/Clash.Meta/blob/Alpha/docs/config.yaml), while documentation can be
+found [Clash.Meta Wiki](https://clash-meta.wiki).
 
 ## Build
 
@@ -43,7 +52,7 @@ git clone https://github.com/MetaCubeX/Clash.Meta.git
 cd Clash.Meta && go mod download
 ```
 
-If you can't visit github,you should set proxy first:
+If you can't visit GitHub, you should set proxy first:
 
 ```shell
 go env -w GOPROXY=https://goproxy.io,direct
@@ -324,36 +333,27 @@ ExecStart=/usr/local/bin/Clash-Meta -d /etc/Clash-Meta
 WantedBy=multi-user.target
 ```
 
-Launch clashd on system startup with:
+Launch clash-meta daemon on system startup with:
 
 ```shell
 $ systemctl enable Clash-Meta
 ```
 
-Launch clashd immediately with:
+Launch clash-meta daemon immediately with:
 
 ```shell
 $ systemctl start Clash-Meta
 ```
 
-### Display Process name
-
-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 [Razord-meta](https://github.com/MetaCubeX/Razord-meta).
-
-### Dashboard
-
-We also made a custom fork of yacd provide better support for this project, check it out at [Yacd-meta](https://github.com/MetaCubeX/Yacd-meta)
-
 ## Development
 
-If you want to build an application that uses clash as a library, check out the
+If you want to build an application that uses clash as a library, check out
 the [GitHub Wiki](https://github.com/Dreamacro/clash/wiki/use-clash-as-a-library)
 
 ## Debugging
-Check [wiki](https://github.com/MetaCubeX/Clash.Meta/wiki/How-to-use-debug-api) to get an instruction on using debug API.
 
+Check [wiki](https://github.com/MetaCubeX/Clash.Meta/wiki/How-to-use-debug-api) to get an instruction on using debug
+API.
 
 ## Credits
 

adapter/adapter.go

@@ -3,25 +3,42 @@ package adapter
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"net"
 	"net/http"
 	"net/netip"
 	"net/url"
+	"strconv"
 	"time"
 
 	"github.com/Dreamacro/clash/common/atomic"
 	"github.com/Dreamacro/clash/common/queue"
+	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/log"
+
+	"github.com/puzpuzpuz/xsync/v2"
 )
 
 var UnifiedDelay = atomic.NewBool(false)
 
+const (
+	defaultHistoriesNum = 10
+)
+
+type extraProxyState struct {
+	history *queue.Queue[C.DelayHistory]
+	alive   *atomic.Bool
+}
+
 type Proxy struct {
 	C.ProxyAdapter
 	history *queue.Queue[C.DelayHistory]
 	alive   *atomic.Bool
+	url     string
+	extra   *xsync.MapOf[string, *extraProxyState]
 }
 
 // Alive implements C.Proxy
@@ -29,6 +46,15 @@ func (p *Proxy) Alive() bool {
 	return p.alive.Load()
 }
 
+// AliveForTestUrl implements C.Proxy
+func (p *Proxy) AliveForTestUrl(url string) bool {
+	if state, ok := p.extra.Load(url); ok {
+		return state.alive.Load()
+	}
+
+	return p.alive.Load()
+}
+
 // Dial implements C.Proxy
 func (p *Proxy) Dial(metadata *C.Metadata) (C.Conn, error) {
 	ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTCPTimeout)
@@ -62,9 +88,51 @@ func (p *Proxy) DelayHistory() []C.DelayHistory {
 	for _, item := range queueM {
 		histories = append(histories, item)
 	}
+
 	return histories
 }
 
+// DelayHistoryForTestUrl implements C.Proxy
+func (p *Proxy) DelayHistoryForTestUrl(url string) []C.DelayHistory {
+	var queueM []C.DelayHistory
+
+	if state, ok := p.extra.Load(url); ok {
+		queueM = state.history.Copy()
+	}
+
+	if queueM == nil {
+		queueM = p.history.Copy()
+	}
+
+	histories := []C.DelayHistory{}
+	for _, item := range queueM {
+		histories = append(histories, item)
+	}
+	return histories
+}
+
+func (p *Proxy) ExtraDelayHistory() map[string][]C.DelayHistory {
+	extraHistory := map[string][]C.DelayHistory{}
+
+	p.extra.Range(func(k string, v *extraProxyState) bool {
+
+		testUrl := k
+		state := v
+
+		histories := []C.DelayHistory{}
+		queueM := state.history.Copy()
+
+		for _, item := range queueM {
+			histories = append(histories, item)
+		}
+
+		extraHistory[testUrl] = histories
+
+		return true
+	})
+	return extraHistory
+}
+
 // LastDelay return last history record. if proxy is not alive, return the max value of uint16.
 // implements C.Proxy
 func (p *Proxy) LastDelay() (delay uint16) {
@@ -80,6 +148,28 @@ func (p *Proxy) LastDelay() (delay uint16) {
 	return history.Delay
 }
 
+// LastDelayForTestUrl implements C.Proxy
+func (p *Proxy) LastDelayForTestUrl(url string) (delay uint16) {
+	var max uint16 = 0xffff
+
+	alive := p.alive.Load()
+	history := p.history.Last()
+
+	if state, ok := p.extra.Load(url); ok {
+		alive = state.alive.Load()
+		history = state.history.Last()
+	}
+
+	if !alive {
+		return max
+	}
+
+	if history.Delay == 0 {
+		return max
+	}
+	return history.Delay
+}
+
 // MarshalJSON implements C.ProxyAdapter
 func (p *Proxy) MarshalJSON() ([]byte, error) {
 	inner, err := p.ProxyAdapter.MarshalJSON()
@@ -90,6 +180,8 @@ func (p *Proxy) MarshalJSON() ([]byte, error) {
 	mapping := map[string]any{}
 	_ = json.Unmarshal(inner, &mapping)
 	mapping["history"] = p.DelayHistory()
+	mapping["extra"] = p.ExtraDelayHistory()
+	mapping["alive"] = p.Alive()
 	mapping["name"] = p.Name()
 	mapping["udp"] = p.SupportUDP()
 	mapping["xudp"] = p.SupportXUDP()
@@ -99,16 +191,53 @@ func (p *Proxy) MarshalJSON() ([]byte, error) {
 
 // URLTest get the delay for the specified URL
 // implements C.Proxy
-func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
+func (p *Proxy) URLTest(ctx context.Context, url string, expectedStatus utils.IntRanges[uint16], store C.DelayHistoryStoreType) (t uint16, err error) {
 	defer func() {
-		p.alive.Store(err == nil)
-		record := C.DelayHistory{Time: time.Now()}
-		if err == nil {
-			record.Delay = t
-		}
-		p.history.Put(record)
-		if p.history.Len() > 10 {
-			p.history.Pop()
+		alive := err == nil
+		store = p.determineFinalStoreType(store, url)
+
+		switch store {
+		case C.OriginalHistory:
+			p.alive.Store(alive)
+			record := C.DelayHistory{Time: time.Now()}
+			if alive {
+				record.Delay = t
+			}
+			p.history.Put(record)
+			if p.history.Len() > defaultHistoriesNum {
+				p.history.Pop()
+			}
+
+			// test URL configured by the proxy provider
+			if len(p.url) == 0 {
+				p.url = url
+			}
+		case C.ExtraHistory:
+			record := C.DelayHistory{Time: time.Now()}
+			if alive {
+				record.Delay = t
+			}
+			p.history.Put(record)
+			if p.history.Len() > defaultHistoriesNum {
+				p.history.Pop()
+			}
+
+			state, ok := p.extra.Load(url)
+			if !ok {
+				state = &extraProxyState{
+					history: queue.New[C.DelayHistory](defaultHistoriesNum),
+					alive:   atomic.NewBool(true),
+				}
+				p.extra.Store(url, state)
+			}
+
+			state.alive.Store(alive)
+			state.history.Put(record)
+			if state.history.Len() > defaultHistoriesNum {
+				state.history.Pop()
+			}
+		default:
+			log.Debugln("health check result will be discarded, url: %s alive: %t, delay: %d", url, alive, t)
 		}
 	}()
 
@@ -172,12 +301,22 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
 		}
 	}
 
+	if expectedStatus != nil && !expectedStatus.Check(uint16(resp.StatusCode)) {
+		// maybe another value should be returned for differentiation
+		err = errors.New("response status is inconsistent with the expected status")
+	}
+
 	t = uint16(time.Since(start) / time.Millisecond)
 	return
 }
 
 func NewProxy(adapter C.ProxyAdapter) *Proxy {
-	return &Proxy{adapter, queue.New[C.DelayHistory](10), atomic.NewBool(true)}
+	return &Proxy{
+		ProxyAdapter: adapter,
+		history:      queue.New[C.DelayHistory](defaultHistoriesNum),
+		alive:        atomic.NewBool(true),
+		url:          "",
+		extra:        xsync.NewMapOf[*extraProxyState]()}
 }
 
 func urlToMetadata(rawURL string) (addr C.Metadata, err error) {
@@ -198,11 +337,36 @@ func urlToMetadata(rawURL string) (addr C.Metadata, err error) {
 			return
 		}
 	}
+	uintPort, err := strconv.ParseUint(port, 10, 16)
+	if err != nil {
+		return
+	}
 
 	addr = C.Metadata{
 		Host:    u.Hostname(),
 		DstIP:   netip.Addr{},
-		DstPort: port,
+		DstPort: uint16(uintPort),
 	}
 	return
 }
+
+func (p *Proxy) determineFinalStoreType(store C.DelayHistoryStoreType, url string) C.DelayHistoryStoreType {
+	if store != C.DropHistory {
+		return store
+	}
+
+	if len(p.url) == 0 || url == p.url {
+		return C.OriginalHistory
+	}
+
+	if p.extra.Size() < 2*C.DefaultMaxHealthCheckUrlNum {
+		return C.ExtraHistory
+	}
+
+	_, ok := p.extra.Load(url)
+	if ok {
+		return C.ExtraHistory
+	}
+
+	return store
+}

adapter/inbound/listen.go

@@ -17,6 +17,10 @@ func SetTfo(open bool) {
 	lc.DisableTFO = !open
 }
 
+func SetMPTCP(open bool) {
+	setMultiPathTCP(&lc.ListenConfig, open)
+}
+
 func ListenContext(ctx context.Context, network, address string) (net.Listener, error) {
 	return lc.Listen(ctx, network, address)
 }

adapter/inbound/mptcp_go120.go

@@ -0,0 +1,10 @@
+//go:build !go1.21
+
+package inbound
+
+import "net"
+
+const multipathTCPAvailable = false
+
+func setMultiPathTCP(listenConfig *net.ListenConfig, open bool) {
+}

adapter/inbound/mptcp_go121.go

@@ -0,0 +1,11 @@
+//go:build go1.21
+
+package inbound
+
+import "net"
+
+const multipathTCPAvailable = true
+
+func setMultiPathTCP(listenConfig *net.ListenConfig, open bool) {
+	listenConfig.SetMultipathTCP(open)
+}

adapter/inbound/socket.go

@@ -3,6 +3,7 @@ package inbound
 import (
 	"net"
 	"net/netip"
+	"strconv"
 
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/context"
@@ -37,7 +38,9 @@ func NewInner(conn net.Conn, address string) *context.ConnContext {
 	metadata.DNSMode = C.DNSNormal
 	metadata.Process = C.ClashName
 	if h, port, err := net.SplitHostPort(address); err == nil {
-		metadata.DstPort = port
+		if port, err := strconv.ParseUint(port, 10, 16); err == nil {
+			metadata.DstPort = uint16(port)
+		}
 		if ip, err := netip.ParseAddr(h); err == nil {
 			metadata.DstIP = ip
 		} else {

adapter/inbound/util.go

@@ -20,14 +20,14 @@ func parseSocksAddr(target socks5.Addr) *C.Metadata {
 	case socks5.AtypDomainName:
 		// trim for FQDN
 		metadata.Host = strings.TrimRight(string(target[2:2+target[1]]), ".")
-		metadata.DstPort = strconv.Itoa((int(target[2+target[1]]) << 8) | int(target[2+target[1]+1]))
+		metadata.DstPort = uint16((int(target[2+target[1]]) << 8) | int(target[2+target[1]+1]))
 	case socks5.AtypIPv4:
 		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]))
+		metadata.DstPort = uint16((int(target[1+net.IPv4len]) << 8) | int(target[1+net.IPv4len+1]))
 	case socks5.AtypIPv6:
 		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]))
+		metadata.DstPort = uint16((int(target[1+net.IPv6len]) << 8) | int(target[1+net.IPv6len+1]))
 	}
 
 	return metadata
@@ -43,11 +43,16 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
 	// trim FQDN (#737)
 	host = strings.TrimRight(host, ".")
 
+	var uint16Port uint16
+	if port, err := strconv.ParseUint(port, 10, 16); err == nil {
+		uint16Port = uint16(port)
+	}
+
 	metadata := &C.Metadata{
 		NetWork: C.TCP,
 		Host:    host,
 		DstIP:   netip.Addr{},
-		DstPort: port,
+		DstPort: uint16Port,
 	}
 
 	ip, err := netip.ParseAddr(host)
@@ -58,10 +63,10 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
 	return metadata
 }
 
-func parseAddr(addr net.Addr) (netip.Addr, string, error) {
+func parseAddr(addr net.Addr) (netip.Addr, uint16, error) {
 	// Filter when net.Addr interface is nil
 	if addr == nil {
-		return netip.Addr{}, "", errors.New("nil addr")
+		return netip.Addr{}, 0, errors.New("nil addr")
 	}
 	if rawAddr, ok := addr.(interface{ RawAddr() net.Addr }); ok {
 		ip, port, err := parseAddr(rawAddr.RawAddr())
@@ -72,9 +77,14 @@ func parseAddr(addr net.Addr) (netip.Addr, string, error) {
 	addrStr := addr.String()
 	host, port, err := net.SplitHostPort(addrStr)
 	if err != nil {
-		return netip.Addr{}, "", err
+		return netip.Addr{}, 0, err
+	}
+
+	var uint16Port uint16
+	if port, err := strconv.ParseUint(port, 10, 16); err == nil {
+		uint16Port = uint16(port)
 	}
 
 	ip, err := netip.ParseAddr(host)
-	return ip, port, err
+	return ip, uint16Port, err
 }

adapter/outbound/base.go

@@ -21,6 +21,7 @@ type Base struct {
 	udp    bool
 	xudp   bool
 	tfo    bool
+	mpTcp  bool
 	rmark  int
 	id     string
 	prefer C.DNSPrefer
@@ -143,11 +144,16 @@ func (b *Base) DialOptions(opts ...dialer.Option) []dialer.Option {
 		opts = append(opts, dialer.WithTFO(true))
 	}
 
+	if b.mpTcp {
+		opts = append(opts, dialer.WithMPTCP(true))
+	}
+
 	return opts
 }
 
 type BasicOption struct {
 	TFO         bool   `proxy:"tfo,omitempty" group:"tfo,omitempty"`
+	MPTCP       bool   `proxy:"mptcp,omitempty" group:"mptcp,omitempty"`
 	Interface   string `proxy:"interface-name,omitempty" group:"interface-name,omitempty"`
 	RoutingMark int    `proxy:"routing-mark,omitempty" group:"routing-mark,omitempty"`
 	IPVersion   string `proxy:"ip-version,omitempty" group:"ip-version,omitempty"`
@@ -161,6 +167,7 @@ type BaseOption struct {
 	UDP         bool
 	XUDP        bool
 	TFO         bool
+	MPTCP       bool
 	Interface   string
 	RoutingMark int
 	Prefer      C.DNSPrefer
@@ -174,6 +181,7 @@ func NewBase(opt BaseOption) *Base {
 		udp:    opt.UDP,
 		xudp:   opt.XUDP,
 		tfo:    opt.TFO,
+		mpTcp:  opt.MPTCP,
 		iface:  opt.Interface,
 		rmark:  opt.RoutingMark,
 		prefer: opt.Prefer,

adapter/outbound/direct.go

@@ -3,6 +3,9 @@ package outbound
 import (
 	"context"
 	"errors"
+	"net/netip"
+
+	N "github.com/Dreamacro/clash/common/net"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
@@ -12,6 +15,11 @@ type Direct struct {
 	*Base
 }
 
+type DirectOption struct {
+	BasicOption
+	Name string `proxy:"name"`
+}
+
 // DialContext implements C.ProxyAdapter
 func (d *Direct) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
 	opts = append(opts, dialer.WithResolver(resolver.DefaultResolver))
@@ -19,7 +27,7 @@ func (d *Direct) DialContext(ctx context.Context, metadata *C.Metadata, opts ...
 	if err != nil {
 		return nil, err
 	}
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 	return NewConn(c, d), nil
 }
 
@@ -33,13 +41,28 @@ func (d *Direct) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 		}
 		metadata.DstIP = ip
 	}
-	pc, err := dialer.ListenPacket(ctx, dialer.ParseNetwork("udp", metadata.DstIP), "", d.Base.DialOptions(opts...)...)
+	pc, err := dialer.NewDialer(d.Base.DialOptions(opts...)...).ListenPacket(ctx, "udp", "", netip.AddrPortFrom(metadata.DstIP, metadata.DstPort))
 	if err != nil {
 		return nil, err
 	}
 	return newPacketConn(pc, d), nil
 }
 
+func NewDirectWithOption(option DirectOption) *Direct {
+	return &Direct{
+		Base: &Base{
+			name:   option.Name,
+			tp:     C.Direct,
+			udp:    true,
+			tfo:    option.TFO,
+			mpTcp:  option.MPTCP,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
+		},
+	}
+}
+
 func NewDirect() *Direct {
 	return &Direct{
 		Base: &Base{

adapter/outbound/http.go

@@ -7,14 +7,16 @@ import (
 	"encoding/base64"
 	"errors"
 	"fmt"
+
 	"io"
 	"net"
 	"net/http"
 	"strconv"
 
+	N "github.com/Dreamacro/clash/common/net"
+	"github.com/Dreamacro/clash/component/ca"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/proxydialer"
-	tlsC "github.com/Dreamacro/clash/component/tls"
 	C "github.com/Dreamacro/clash/constant"
 )
 
@@ -74,7 +76,7 @@ func (h *Http) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metad
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", h.addr, err)
 	}
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 
 	defer func(c net.Conn) {
 		safeConnClose(c, err)
@@ -155,19 +157,13 @@ func NewHttp(option HttpOption) (*Http, error) {
 		if option.SNI != "" {
 			sni = option.SNI
 		}
-		if len(option.Fingerprint) == 0 {
-			tlsConfig = tlsC.GetGlobalTLSConfig(&tls.Config{
-				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
-			}
+		var err error
+		tlsConfig, err = ca.GetSpecifiedFingerprintTLSConfig(&tls.Config{
+			InsecureSkipVerify: option.SkipCertVerify,
+			ServerName:         sni,
+		}, option.Fingerprint)
+		if err != nil {
+			return nil, err
 		}
 	}
 
@@ -177,6 +173,7 @@ func NewHttp(option HttpOption) (*Http, error) {
 			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
 			tp:     C.Http,
 			tfo:    option.TFO,
+			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),

adapter/outbound/hysteria.go

@@ -2,16 +2,11 @@ package outbound
 
 import (
 	"context"
-	"crypto/sha256"
 	"crypto/tls"
 	"encoding/base64"
-	"encoding/hex"
-	"encoding/pem"
 	"fmt"
 	"net"
 	"net/netip"
-	"os"
-	"regexp"
 	"strconv"
 	"time"
 
@@ -19,9 +14,9 @@ import (
 	"github.com/metacubex/quic-go/congestion"
 	M "github.com/sagernet/sing/common/metadata"
 
+	"github.com/Dreamacro/clash/component/ca"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/proxydialer"
-	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"
@@ -43,8 +38,6 @@ const (
 	DefaultHopInterval = 10
 )
 
-var rateStringRegexp = regexp.MustCompile(`^(\d+)\s*([KMGT]?)([Bb])ps$`)
-
 type Hysteria struct {
 	*Base
 
@@ -120,12 +113,12 @@ type HysteriaOption struct {
 
 func (c *HysteriaOption) Speed() (uint64, uint64, error) {
 	var up, down uint64
-	up = stringToBps(c.Up)
+	up = StringToBps(c.Up)
 	if up == 0 {
 		return 0, 0, fmt.Errorf("invaild upload speed: %s", c.Up)
 	}
 
-	down = stringToBps(c.Down)
+	down = StringToBps(c.Down)
 	if down == 0 {
 		return 0, 0, fmt.Errorf("invaild download speed: %s", c.Down)
 	}
@@ -153,37 +146,10 @@ func NewHysteria(option HysteriaOption) (*Hysteria, error) {
 		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.GetGlobalTLSConfig(tlsConfig)
+	tlsConfig, err = ca.GetTLSConfig(tlsConfig, option.Fingerprint, option.CustomCA, option.CustomCAString)
+	if err != nil {
+		return nil, err
 	}
 
 	if len(option.ALPN) > 0 {
@@ -268,42 +234,6 @@ func NewHysteria(option HysteriaOption) (*Hysteria, error) {
 	}, 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
 }

adapter/outbound/hysteria2.go

@@ -0,0 +1,157 @@
+package outbound
+
+import (
+	"context"
+	"crypto/tls"
+	"errors"
+	"fmt"
+	"net"
+	"runtime"
+	"strconv"
+
+	CN "github.com/Dreamacro/clash/common/net"
+	"github.com/Dreamacro/clash/component/ca"
+	"github.com/Dreamacro/clash/component/dialer"
+	"github.com/Dreamacro/clash/component/proxydialer"
+	C "github.com/Dreamacro/clash/constant"
+	tuicCommon "github.com/Dreamacro/clash/transport/tuic/common"
+
+	"github.com/metacubex/sing-quic/hysteria2"
+
+	M "github.com/sagernet/sing/common/metadata"
+)
+
+func init() {
+	hysteria2.SetCongestionController = tuicCommon.SetCongestionController
+}
+
+type Hysteria2 struct {
+	*Base
+
+	option *Hysteria2Option
+	client *hysteria2.Client
+	dialer proxydialer.SingDialer
+}
+
+type Hysteria2Option struct {
+	BasicOption
+	Name           string   `proxy:"name"`
+	Server         string   `proxy:"server"`
+	Port           int      `proxy:"port"`
+	Up             string   `proxy:"up,omitempty"`
+	Down           string   `proxy:"down,omitempty"`
+	Password       string   `proxy:"password,omitempty"`
+	Obfs           string   `proxy:"obfs,omitempty"`
+	ObfsPassword   string   `proxy:"obfs-password,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"`
+	CWND           int      `proxy:"cwnd,omitempty"`
+}
+
+func (h *Hysteria2) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
+	options := h.Base.DialOptions(opts...)
+	h.dialer.SetDialer(dialer.NewDialer(options...))
+	c, err := h.client.DialConn(ctx, M.ParseSocksaddr(metadata.RemoteAddress()))
+	if err != nil {
+		return nil, err
+	}
+	return NewConn(CN.NewRefConn(c, h), h), nil
+}
+
+func (h *Hysteria2) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
+	options := h.Base.DialOptions(opts...)
+	h.dialer.SetDialer(dialer.NewDialer(options...))
+	pc, err := h.client.ListenPacket(ctx)
+	if err != nil {
+		return nil, err
+	}
+	if pc == nil {
+		return nil, errors.New("packetConn is nil")
+	}
+	return newPacketConn(CN.NewRefPacketConn(CN.NewThreadSafePacketConn(pc), h), h), nil
+}
+
+func closeHysteria2(h *Hysteria2) {
+	if h.client != nil {
+		_ = h.client.CloseWithError(errors.New("proxy removed"))
+	}
+}
+
+func NewHysteria2(option Hysteria2Option) (*Hysteria2, error) {
+	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
+	var salamanderPassword string
+	if len(option.Obfs) > 0 {
+		if option.ObfsPassword == "" {
+			return nil, errors.New("missing obfs password")
+		}
+		switch option.Obfs {
+		case hysteria2.ObfsTypeSalamander:
+			salamanderPassword = option.ObfsPassword
+		default:
+			return nil, fmt.Errorf("unknown obfs type: %s", option.Obfs)
+		}
+	}
+
+	serverName := option.Server
+	if option.SNI != "" {
+		serverName = option.SNI
+	}
+
+	tlsConfig := &tls.Config{
+		ServerName:         serverName,
+		InsecureSkipVerify: option.SkipCertVerify,
+		MinVersion:         tls.VersionTLS13,
+	}
+
+	var err error
+	tlsConfig, err = ca.GetTLSConfig(tlsConfig, option.Fingerprint, option.CustomCA, option.CustomCAString)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(option.ALPN) > 0 {
+		tlsConfig.NextProtos = option.ALPN
+	}
+
+	singDialer := proxydialer.NewByNameSingDialer(option.DialerProxy, dialer.NewDialer())
+
+	clientOptions := hysteria2.ClientOptions{
+		Context:            context.TODO(),
+		Dialer:             singDialer,
+		ServerAddress:      M.ParseSocksaddrHostPort(option.Server, uint16(option.Port)),
+		SendBPS:            StringToBps(option.Up),
+		ReceiveBPS:         StringToBps(option.Down),
+		SalamanderPassword: salamanderPassword,
+		Password:           option.Password,
+		TLSConfig:          tlsConfig,
+		UDPDisabled:        false,
+		CWND:               option.CWND,
+	}
+
+	client, err := hysteria2.NewClient(clientOptions)
+	if err != nil {
+		return nil, err
+	}
+
+	outbound := &Hysteria2{
+		Base: &Base{
+			name:   option.Name,
+			addr:   addr,
+			tp:     C.Hysteria2,
+			udp:    true,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
+		},
+		option: &option,
+		client: client,
+		dialer: singDialer,
+	}
+	runtime.SetFinalizer(outbound, closeHysteria2)
+
+	return outbound, nil
+}

adapter/outbound/shadowsocks.go

@@ -19,7 +19,7 @@ import (
 	v2rayObfs "github.com/Dreamacro/clash/transport/v2ray-plugin"
 
 	restlsC "github.com/3andne/restls-client-go"
-	"github.com/metacubex/sing-shadowsocks2"
+	shadowsocks "github.com/metacubex/sing-shadowsocks2"
 	M "github.com/sagernet/sing/common/metadata"
 	"github.com/sagernet/sing/common/uot"
 )
@@ -146,7 +146,7 @@ func (ss *ShadowSocks) DialContextWithDialer(ctx context.Context, dialer C.Diale
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 	}
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 
 	defer func(c net.Conn) {
 		safeConnClose(c, err)
@@ -294,7 +294,6 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 		}
 
 		restlsConfig, err = restlsC.NewRestlsConfig(restlsOpt.Host, restlsOpt.Password, restlsOpt.VersionHint, restlsOpt.RestlsScript, option.ClientFingerprint)
-		restlsConfig.SessionTicketsDisabled = true
 		if err != nil {
 			return nil, fmt.Errorf("ss %s initialize restls-plugin error: %w", addr, err)
 		}
@@ -315,6 +314,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 			tp:     C.Shadowsocks,
 			udp:    option.UDP,
 			tfo:    option.TFO,
+			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),

adapter/outbound/shadowsocksr.go

@@ -80,7 +80,7 @@ func (ssr *ShadowSocksR) DialContextWithDialer(ctx context.Context, dialer C.Dia
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", ssr.addr, err)
 	}
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 
 	defer func(c net.Conn) {
 		safeConnClose(c, err)
@@ -181,6 +181,7 @@ func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {
 			tp:     C.ShadowsocksR,
 			udp:    option.UDP,
 			tfo:    option.TFO,
+			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),

adapter/outbound/singmux.go

@@ -3,7 +3,6 @@ package outbound
 import (
 	"context"
 	"errors"
-	"net"
 	"runtime"
 
 	CN "github.com/Dreamacro/clash/common/net"
@@ -15,14 +14,13 @@ import (
 	mux "github.com/sagernet/sing-mux"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
-	N "github.com/sagernet/sing/common/network"
 )
 
 type SingMux struct {
 	C.ProxyAdapter
 	base    ProxyBase
 	client  *mux.Client
-	dialer  *muxSingDialer
+	dialer  proxydialer.SingDialer
 	onlyTcp bool
 }
 
@@ -41,27 +39,9 @@ type ProxyBase interface {
 	DialOptions(opts ...dialer.Option) []dialer.Option
 }
 
-type muxSingDialer struct {
-	dialer    dialer.Dialer
-	proxy     C.ProxyAdapter
-	statistic bool
-}
-
-var _ N.Dialer = (*muxSingDialer)(nil)
-
-func (d *muxSingDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
-	var cDialer C.Dialer = proxydialer.New(d.proxy, d.dialer, d.statistic)
-	return cDialer.DialContext(ctx, network, destination.String())
-}
-
-func (d *muxSingDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	var cDialer C.Dialer = proxydialer.New(d.proxy, d.dialer, d.statistic)
-	return cDialer.ListenPacket(ctx, "udp", "", destination.AddrPort())
-}
-
 func (s *SingMux) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
 	options := s.base.DialOptions(opts...)
-	s.dialer.dialer = dialer.NewDialer(options...)
+	s.dialer.SetDialer(dialer.NewDialer(options...))
 	c, err := s.client.DialContext(ctx, "tcp", M.ParseSocksaddr(metadata.RemoteAddress()))
 	if err != nil {
 		return nil, err
@@ -74,7 +54,7 @@ func (s *SingMux) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 		return s.ProxyAdapter.ListenPacketContext(ctx, metadata, opts...)
 	}
 	options := s.base.DialOptions(opts...)
-	s.dialer.dialer = dialer.NewDialer(options...)
+	s.dialer.SetDialer(dialer.NewDialer(options...))
 
 	// sing-mux use stream-oriented udp with a special address, so we need a net.UDPAddr
 	if !metadata.Resolved() {
@@ -97,7 +77,7 @@ func (s *SingMux) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 
 func (s *SingMux) SupportUDP() bool {
 	if s.onlyTcp {
-		return s.ProxyAdapter.SupportUOT()
+		return s.ProxyAdapter.SupportUDP()
 	}
 	return true
 }
@@ -114,7 +94,7 @@ func closeSingMux(s *SingMux) {
 }
 
 func NewSingMux(option SingMuxOption, proxy C.ProxyAdapter, base ProxyBase) (C.ProxyAdapter, error) {
-	singDialer := &muxSingDialer{dialer: dialer.NewDialer(), proxy: proxy, statistic: option.Statistic}
+	singDialer := proxydialer.NewSingDialer(proxy, dialer.NewDialer(), option.Statistic)
 	client, err := mux.NewClient(mux.Options{
 		Dialer:         singDialer,
 		Protocol:       option.Protocol,

adapter/outbound/snell.go

@@ -6,6 +6,7 @@ import (
 	"net"
 	"strconv"
 
+	N "github.com/Dreamacro/clash/common/net"
 	"github.com/Dreamacro/clash/common/structure"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/proxydialer"
@@ -59,8 +60,7 @@ func (s *Snell) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 		err := snell.WriteUDPHeader(c, s.version)
 		return c, err
 	}
-	port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
-	err := snell.WriteHeader(c, metadata.String(), uint(port), s.version)
+	err := snell.WriteHeader(c, metadata.String(), uint(metadata.DstPort), s.version)
 	return c, err
 }
 
@@ -72,8 +72,7 @@ func (s *Snell) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 			return nil, err
 		}
 
-		port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
-		if err = snell.WriteHeader(c, metadata.String(), uint(port), s.version); err != nil {
+		if err = snell.WriteHeader(c, metadata.String(), uint(metadata.DstPort), s.version); err != nil {
 			c.Close()
 			return nil, err
 		}
@@ -95,7 +94,7 @@ func (s *Snell) DialContextWithDialer(ctx context.Context, dialer C.Dialer, meta
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", s.addr, err)
 	}
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 
 	defer func(c net.Conn) {
 		safeConnClose(c, err)
@@ -123,7 +122,7 @@ func (s *Snell) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, met
 	if err != nil {
 		return nil, err
 	}
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 	c = streamConn(c, streamOption{s.psk, s.version, s.addr, s.obfsOption})
 
 	err = snell.WriteUDPHeader(c, s.version)
@@ -183,6 +182,7 @@ func NewSnell(option SnellOption) (*Snell, error) {
 			tp:     C.Snell,
 			udp:    option.UDP,
 			tfo:    option.TFO,
+			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),
@@ -208,7 +208,7 @@ func NewSnell(option SnellOption) (*Snell, error) {
 				return nil, err
 			}
 
-			tcpKeepAlive(c)
+			N.TCPKeepAlive(c)
 			return streamConn(c, streamOption{psk, option.Version, addr, obfsOption}), nil
 		})
 	}

adapter/outbound/socks5.go

@@ -9,9 +9,10 @@ import (
 	"net"
 	"strconv"
 
+	N "github.com/Dreamacro/clash/common/net"
+	"github.com/Dreamacro/clash/component/ca"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/proxydialer"
-	tlsC "github.com/Dreamacro/clash/component/tls"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/socks5"
 )
@@ -80,7 +81,7 @@ func (ss *Socks5) DialContextWithDialer(ctx context.Context, dialer C.Dialer, me
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 	}
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 
 	defer func(c net.Conn) {
 		safeConnClose(c, err)
@@ -126,7 +127,7 @@ func (ss *Socks5) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 		safeConnClose(c, err)
 	}(c)
 
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 	var user *socks5.User
 	if ss.user != "" {
 		user = &socks5.User{
@@ -155,7 +156,7 @@ func (ss *Socks5) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 		bindUDPAddr.IP = serverAddr.IP
 	}
 
-	pc, err := dialer.ListenPacket(ctx, dialer.ParseNetwork("udp", bindUDPAddr.AddrPort().Addr()), "", ss.Base.DialOptions(opts...)...)
+	pc, err := cDialer.ListenPacket(ctx, "udp", "", bindUDPAddr.AddrPort())
 	if err != nil {
 		return
 	}
@@ -179,13 +180,10 @@ func NewSocks5(option Socks5Option) (*Socks5, error) {
 			ServerName:         option.Server,
 		}
 
-		if len(option.Fingerprint) == 0 {
-			tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
-		} else {
-			var err error
-			if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint); err != nil {
-				return nil, err
-			}
+		var err error
+		tlsConfig, err = ca.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint)
+		if err != nil {
+			return nil, err
 		}
 	}
 
@@ -196,6 +194,7 @@ func NewSocks5(option Socks5Option) (*Socks5, error) {
 			tp:     C.Socks5,
 			udp:    option.UDP,
 			tfo:    option.TFO,
+			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),

adapter/outbound/trojan.go

@@ -8,13 +8,14 @@ import (
 	"net/http"
 	"strconv"
 
+	N "github.com/Dreamacro/clash/common/net"
+	"github.com/Dreamacro/clash/component/ca"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/proxydialer"
 	tlsC "github.com/Dreamacro/clash/component/tls"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/gun"
 	"github.com/Dreamacro/clash/transport/trojan"
-	"github.com/Dreamacro/clash/transport/vless"
 )
 
 type Trojan struct {
@@ -45,8 +46,6 @@ type TrojanOption struct {
 	RealityOpts       RealityOptions `proxy:"reality-opts,omitempty"`
 	GrpcOpts          GrpcOptions    `proxy:"grpc-opts,omitempty"`
 	WSOpts            WSOptions      `proxy:"ws-opts,omitempty"`
-	Flow              string         `proxy:"flow,omitempty"`
-	FlowShow          bool           `proxy:"flow-show,omitempty"`
 	ClientFingerprint string         `proxy:"client-fingerprint,omitempty"`
 }
 
@@ -95,11 +94,6 @@ func (t *Trojan) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.
 		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
 	}
 
-	c, err = t.instance.PresetXTLSConn(c)
-	if err != nil {
-		return nil, err
-	}
-
 	if metadata.NetWork == C.UDP {
 		err = t.instance.WriteHeader(c, trojan.CommandUDP, serializesSocksAddr(metadata))
 		return c, err
@@ -117,12 +111,6 @@ func (t *Trojan) DialContext(ctx context.Context, metadata *C.Metadata, opts ...
 			return nil, err
 		}
 
-		c, err = t.instance.PresetXTLSConn(c)
-		if err != nil {
-			c.Close()
-			return nil, err
-		}
-
 		if err = t.instance.WriteHeader(c, trojan.CommandTCP, serializesSocksAddr(metadata)); err != nil {
 			c.Close()
 			return nil, err
@@ -145,7 +133,7 @@ func (t *Trojan) DialContextWithDialer(ctx context.Context, dialer C.Dialer, met
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
 	}
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 
 	defer func(c net.Conn) {
 		safeConnClose(c, err)
@@ -198,7 +186,7 @@ func (t *Trojan) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, me
 	defer func(c net.Conn) {
 		safeConnClose(c, err)
 	}(c)
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 	c, err = t.plainStream(ctx, c)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
@@ -237,24 +225,10 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 		ALPN:              option.ALPN,
 		ServerName:        option.Server,
 		SkipCertVerify:    option.SkipCertVerify,
-		FlowShow:          option.FlowShow,
 		Fingerprint:       option.Fingerprint,
 		ClientFingerprint: option.ClientFingerprint,
 	}
 
-	switch option.Network {
-	case "", "tcp":
-		if len(option.Flow) >= 16 {
-			option.Flow = option.Flow[:16]
-			switch option.Flow {
-			case vless.XRO, vless.XRD, vless.XRS:
-				tOption.Flow = option.Flow
-			default:
-				return nil, fmt.Errorf("unsupported xtls flow type: %s", option.Flow)
-			}
-		}
-	}
-
 	if option.SNI != "" {
 		tOption.ServerName = option.SNI
 	}
@@ -266,6 +240,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 			tp:     C.Trojan,
 			udp:    option.UDP,
 			tfo:    option.TFO,
+			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),
@@ -295,7 +270,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 			if err != nil {
 				return nil, fmt.Errorf("%s connect error: %s", t.addr, err.Error())
 			}
-			tcpKeepAlive(c)
+			N.TCPKeepAlive(c)
 			return c, nil
 		}
 
@@ -306,13 +281,10 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 			ServerName:         tOption.ServerName,
 		}
 
-		if len(option.Fingerprint) == 0 {
-			tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
-		} else {
-			var err error
-			if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint); err != nil {
-				return nil, err
-			}
+		var err error
+		tlsConfig, err = ca.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint)
+		if err != nil {
+			return nil, err
 		}
 
 		t.transport = gun.NewHTTP2Client(dialFn, tlsConfig, tOption.ClientFingerprint, t.realityConfig)

adapter/outbound/tuic.go

@@ -2,24 +2,25 @@ package outbound
 
 import (
 	"context"
-	"crypto/sha256"
 	"crypto/tls"
-	"encoding/hex"
-	"encoding/pem"
+	"errors"
 	"fmt"
 	"math"
 	"net"
-	"os"
 	"strconv"
 	"time"
 
-	"github.com/metacubex/quic-go"
-
+	"github.com/Dreamacro/clash/component/ca"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/proxydialer"
-	tlsC "github.com/Dreamacro/clash/component/tls"
+	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/tuic"
+
+	"github.com/gofrs/uuid/v5"
+	"github.com/metacubex/quic-go"
+	M "github.com/sagernet/sing/common/metadata"
+	"github.com/sagernet/sing/common/uot"
 )
 
 type Tuic struct {
@@ -33,7 +34,9 @@ type TuicOption struct {
 	Name                  string   `proxy:"name"`
 	Server                string   `proxy:"server"`
 	Port                  int      `proxy:"port"`
-	Token                 string   `proxy:"token"`
+	Token                 string   `proxy:"token,omitempty"`
+	UUID                  string   `proxy:"uuid,omitempty"`
+	Password              string   `proxy:"password,omitempty"`
 	Ip                    string   `proxy:"ip,omitempty"`
 	HeartbeatInterval     int      `proxy:"heartbeat-interval,omitempty"`
 	ALPN                  []string `proxy:"alpn,omitempty"`
@@ -46,6 +49,7 @@ type TuicOption struct {
 
 	FastOpen             bool   `proxy:"fast-open,omitempty"`
 	MaxOpenStreams       int    `proxy:"max-open-streams,omitempty"`
+	CWND                 int    `proxy:"cwnd,omitempty"`
 	SkipCertVerify       bool   `proxy:"skip-cert-verify,omitempty"`
 	Fingerprint          string `proxy:"fingerprint,omitempty"`
 	CustomCA             string `proxy:"ca,omitempty"`
@@ -55,6 +59,9 @@ type TuicOption struct {
 	DisableMTUDiscovery  bool   `proxy:"disable-mtu-discovery,omitempty"`
 	MaxDatagramFrameSize int    `proxy:"max-datagram-frame-size,omitempty"`
 	SNI                  string `proxy:"sni,omitempty"`
+
+	UDPOverStream        bool `proxy:"udp-over-stream,omitempty"`
+	UDPOverStreamVersion int  `proxy:"udp-over-stream-version,omitempty"`
 }
 
 // DialContext implements C.ProxyAdapter
@@ -78,6 +85,32 @@ func (t *Tuic) ListenPacketContext(ctx context.Context, metadata *C.Metadata, op
 
 // ListenPacketWithDialer implements C.ProxyAdapter
 func (t *Tuic) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	if t.option.UDPOverStream {
+		uotDestination := uot.RequestDestination(uint8(t.option.UDPOverStreamVersion))
+		uotMetadata := *metadata
+		uotMetadata.Host = uotDestination.Fqdn
+		uotMetadata.DstPort = uotDestination.Port
+		c, err := t.DialContextWithDialer(ctx, dialer, &uotMetadata)
+		if err != nil {
+			return nil, err
+		}
+
+		// tuic uos use stream-oriented udp with a special address, so we need a net.UDPAddr
+		if !metadata.Resolved() {
+			ip, err := resolver.ResolveIP(ctx, metadata.Host)
+			if err != nil {
+				return nil, errors.New("can't resolve ip")
+			}
+			metadata.DstIP = ip
+		}
+
+		destination := M.SocksaddrFromNet(metadata.UDPAddr())
+		if t.option.UDPOverStreamVersion == uot.LegacyVersion {
+			return newPacketConn(uot.NewConn(c, uot.Request{Destination: destination}), t), nil
+		} else {
+			return newPacketConn(uot.NewLazyConn(c, uot.Request{Destination: destination}), t), nil
+		}
+	}
 	pc, err := t.client.ListenPacketWithDialer(ctx, metadata, dialer, t.dialWithDialer)
 	if err != nil {
 		return nil, err
@@ -90,11 +123,7 @@ func (t *Tuic) SupportWithDialer() C.NetWork {
 	return C.ALLNet
 }
 
-func (t *Tuic) dial(ctx context.Context, opts ...dialer.Option) (pc net.PacketConn, addr net.Addr, err error) {
-	return t.dialWithDialer(ctx, dialer.NewDialer(opts...))
-}
-
-func (t *Tuic) dialWithDialer(ctx context.Context, dialer C.Dialer) (pc net.PacketConn, addr net.Addr, err error) {
+func (t *Tuic) dialWithDialer(ctx context.Context, dialer C.Dialer) (transport *quic.Transport, addr net.Addr, err error) {
 	if len(t.option.DialerProxy) > 0 {
 		dialer, err = proxydialer.NewByName(t.option.DialerProxy, dialer)
 		if err != nil {
@@ -106,10 +135,14 @@ func (t *Tuic) dialWithDialer(ctx context.Context, dialer C.Dialer) (pc net.Pack
 		return nil, nil, err
 	}
 	addr = udpAddr
+	var pc net.PacketConn
 	pc, err = dialer.ListenPacket(ctx, "udp", "", udpAddr.AddrPort())
 	if err != nil {
 		return nil, nil, err
 	}
+	transport = &quic.Transport{Conn: pc}
+	transport.SetCreatedConn(true) // auto close conn
+	transport.SetSingleUse(true)   // auto close transport
 	return
 }
 
@@ -125,40 +158,13 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 		tlsConfig.ServerName = option.SNI
 	}
 
-	var bs []byte
 	var err error
-	if len(option.CustomCA) > 0 {
-		bs, err = os.ReadFile(option.CustomCA)
-		if err != nil {
-			return nil, fmt.Errorf("tuic %s load ca error: %w", addr, err)
-		}
-	} else if option.CustomCAString != "" {
-		bs = []byte(option.CustomCAString)
+	tlsConfig, err = ca.GetTLSConfig(tlsConfig, option.Fingerprint, option.CustomCA, option.CustomCAString)
+	if err != nil {
+		return nil, err
 	}
 
-	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.GetGlobalTLSConfig(tlsConfig)
-	}
-
-	if len(option.ALPN) > 0 {
+	if option.ALPN != nil { // structure's Decode will ensure value not nil when input has value even it was set an empty array
 		tlsConfig.NextProtos = option.ALPN
 	} else {
 		tlsConfig.NextProtos = []string{"h3"}
@@ -172,8 +178,9 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 		option.HeartbeatInterval = 10000
 	}
 
+	udpRelayMode := tuic.QUIC
 	if option.UdpRelayMode != "quic" {
-		option.UdpRelayMode = "native"
+		udpRelayMode = tuic.NATIVE
 	}
 
 	if option.MaxUdpRelayPacketSize == 0 {
@@ -184,14 +191,23 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 		option.MaxOpenStreams = 100
 	}
 
+	if option.CWND == 0 {
+		option.CWND = 32
+	}
+
+	packetOverHead := tuic.PacketOverHeadV4
+	if len(option.Token) == 0 {
+		packetOverHead = tuic.PacketOverHeadV5
+	}
+
 	if option.MaxDatagramFrameSize == 0 {
-		option.MaxDatagramFrameSize = option.MaxUdpRelayPacketSize + tuic.PacketOverHead
+		option.MaxDatagramFrameSize = option.MaxUdpRelayPacketSize + packetOverHead
 	}
 
 	if option.MaxDatagramFrameSize > 1400 {
 		option.MaxDatagramFrameSize = 1400
 	}
-	option.MaxUdpRelayPacketSize = option.MaxDatagramFrameSize - tuic.PacketOverHead
+	option.MaxUdpRelayPacketSize = option.MaxDatagramFrameSize - packetOverHead
 
 	// ensure server's incoming stream can handle correctly, increase to 1.1x
 	quicMaxOpenStreams := int64(option.MaxOpenStreams)
@@ -220,12 +236,18 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 	if len(option.Ip) > 0 {
 		addr = net.JoinHostPort(option.Ip, strconv.Itoa(option.Port))
 	}
-	host := option.Server
 	if option.DisableSni {
-		host = ""
 		tlsConfig.ServerName = ""
+		tlsConfig.InsecureSkipVerify = true // tls: either ServerName or InsecureSkipVerify must be specified in the tls.Config
+	}
+
+	switch option.UDPOverStreamVersion {
+	case uot.Version, uot.LegacyVersion:
+	case 0:
+		option.UDPOverStreamVersion = uot.LegacyVersion
+	default:
+		return nil, fmt.Errorf("tuic %s unknown udp over stream protocol version: %d", addr, option.UDPOverStreamVersion)
 	}
-	tkn := tuic.GenTKN(option.Token)
 
 	t := &Tuic{
 		Base: &Base{
@@ -251,21 +273,44 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 	if clientMaxOpenStreams < 1 {
 		clientMaxOpenStreams = 1
 	}
-	clientOption := &tuic.ClientOption{
-		TlsConfig:             tlsConfig,
-		QuicConfig:            quicConfig,
-		Host:                  host,
-		Token:                 tkn,
-		UdpRelayMode:          option.UdpRelayMode,
-		CongestionController:  option.CongestionController,
-		ReduceRtt:             option.ReduceRtt,
-		RequestTimeout:        time.Duration(option.RequestTimeout) * time.Millisecond,
-		MaxUdpRelayPacketSize: option.MaxUdpRelayPacketSize,
-		FastOpen:              option.FastOpen,
-		MaxOpenStreams:        clientMaxOpenStreams,
-	}
 
-	t.client = tuic.NewPoolClient(clientOption)
+	if len(option.Token) > 0 {
+		tkn := tuic.GenTKN(option.Token)
+		clientOption := &tuic.ClientOptionV4{
+			TlsConfig:             tlsConfig,
+			QuicConfig:            quicConfig,
+			Token:                 tkn,
+			UdpRelayMode:          udpRelayMode,
+			CongestionController:  option.CongestionController,
+			ReduceRtt:             option.ReduceRtt,
+			RequestTimeout:        time.Duration(option.RequestTimeout) * time.Millisecond,
+			MaxUdpRelayPacketSize: option.MaxUdpRelayPacketSize,
+			FastOpen:              option.FastOpen,
+			MaxOpenStreams:        clientMaxOpenStreams,
+			CWND:                  option.CWND,
+		}
+
+		t.client = tuic.NewPoolClientV4(clientOption)
+	} else {
+		maxUdpRelayPacketSize := option.MaxUdpRelayPacketSize
+		if maxUdpRelayPacketSize > tuic.MaxFragSizeV5 {
+			maxUdpRelayPacketSize = tuic.MaxFragSizeV5
+		}
+		clientOption := &tuic.ClientOptionV5{
+			TlsConfig:             tlsConfig,
+			QuicConfig:            quicConfig,
+			Uuid:                  uuid.FromStringOrNil(option.UUID),
+			Password:              option.Password,
+			UdpRelayMode:          udpRelayMode,
+			CongestionController:  option.CongestionController,
+			ReduceRtt:             option.ReduceRtt,
+			MaxUdpRelayPacketSize: maxUdpRelayPacketSize,
+			MaxOpenStreams:        clientMaxOpenStreams,
+			CWND:                  option.CWND,
+		}
+
+		t.client = tuic.NewPoolClientV5(clientOption)
+	}
 
 	return t, nil
 }

adapter/outbound/util.go

@@ -4,12 +4,12 @@ import (
 	"bytes"
 	"context"
 	"crypto/tls"
-	xtls "github.com/xtls/go"
+	"fmt"
 	"net"
 	"net/netip"
+	"regexp"
 	"strconv"
 	"sync"
-	"time"
 
 	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
@@ -17,18 +17,10 @@ import (
 )
 
 var (
-	globalClientSessionCache  tls.ClientSessionCache
-	globalClientXSessionCache xtls.ClientSessionCache
-	once                      sync.Once
+	globalClientSessionCache tls.ClientSessionCache
+	once                     sync.Once
 )
 
-func tcpKeepAlive(c net.Conn) {
-	if tcp, ok := c.(*net.TCPConn); ok {
-		_ = tcp.SetKeepAlive(true)
-		_ = tcp.SetKeepAlivePeriod(30 * time.Second)
-	}
-}
-
 func getClientSessionCache() tls.ClientSessionCache {
 	once.Do(func() {
 		globalClientSessionCache = tls.NewLRUClientSessionCache(128)
@@ -36,18 +28,11 @@ func getClientSessionCache() tls.ClientSessionCache {
 	return globalClientSessionCache
 }
 
-func getClientXSessionCache() xtls.ClientSessionCache {
-	once.Do(func() {
-		globalClientXSessionCache = xtls.NewLRUClientSessionCache(128)
-	})
-	return globalClientXSessionCache
-}
-
 func serializesSocksAddr(metadata *C.Metadata) []byte {
 	var buf [][]byte
 	addrType := metadata.AddrType()
 	aType := uint8(addrType)
-	p, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
+	p := uint(metadata.DstPort)
 	port := []byte{uint8(p >> 8), uint8(p & 0xff)}
 	switch addrType {
 	case socks5.AtypDomainName:
@@ -138,3 +123,41 @@ func safeConnClose(c net.Conn, err error) {
 		_ = c.Close()
 	}
 }
+
+var rateStringRegexp = regexp.MustCompile(`^(\d+)\s*([KMGT]?)([Bb])ps$`)
+
+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
+}

adapter/outbound/vless.go

@@ -14,6 +14,8 @@ import (
 
 	"github.com/Dreamacro/clash/common/convert"
 	N "github.com/Dreamacro/clash/common/net"
+	"github.com/Dreamacro/clash/common/utils"
+	"github.com/Dreamacro/clash/component/ca"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/proxydialer"
 	"github.com/Dreamacro/clash/component/resolver"
@@ -25,8 +27,8 @@ import (
 	"github.com/Dreamacro/clash/transport/vless"
 	"github.com/Dreamacro/clash/transport/vmess"
 
-	vmessSing "github.com/sagernet/sing-vmess"
-	"github.com/sagernet/sing-vmess/packetaddr"
+	vmessSing "github.com/metacubex/sing-vmess"
+	"github.com/metacubex/sing-vmess/packetaddr"
 	M "github.com/sagernet/sing/common/metadata"
 )
 
@@ -55,8 +57,8 @@ type VlessOption struct {
 	Port              int               `proxy:"port"`
 	UUID              string            `proxy:"uuid"`
 	Flow              string            `proxy:"flow,omitempty"`
-	FlowShow          bool              `proxy:"flow-show,omitempty"`
 	TLS               bool              `proxy:"tls,omitempty"`
+	ALPN              []string          `proxy:"alpn,omitempty"`
 	UDP               bool              `proxy:"udp,omitempty"`
 	PacketAddr        bool              `proxy:"packet-addr,omitempty"`
 	XUDP              bool              `proxy:"xudp,omitempty"`
@@ -109,13 +111,9 @@ func (v *Vless) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 				NextProtos:         []string{"http/1.1"},
 			}
 
-			if len(v.option.Fingerprint) == 0 {
-				wsOpts.TLSConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
-			} else {
-				wsOpts.TLSConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint)
-				if err != nil {
-					return nil, err
-				}
+			wsOpts.TLSConfig, err = ca.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint)
+			if err != nil {
+				return nil, err
 			}
 
 			if v.option.ServerName != "" {
@@ -132,7 +130,7 @@ func (v *Vless) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 		c, err = vmess.StreamWebsocketConn(ctx, c, wsOpts)
 	case "http":
 		// readability first, so just copy default TLS logic
-		c, err = v.streamTLSOrXTLSConn(ctx, c, false)
+		c, err = v.streamTLSConn(ctx, c, false)
 		if err != nil {
 			return nil, err
 		}
@@ -147,7 +145,7 @@ func (v *Vless) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 
 		c = vmess.StreamHTTPConn(c, httpOpts)
 	case "h2":
-		c, err = v.streamTLSOrXTLSConn(ctx, c, true)
+		c, err = v.streamTLSConn(ctx, c, true)
 		if err != nil {
 			return nil, err
 		}
@@ -162,8 +160,8 @@ func (v *Vless) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 		c, err = gun.StreamGunWithConn(c, v.gunTLSConfig, v.gunConfig, v.realityConfig)
 	default:
 		// default tcp network
-		// handle TLS And XTLS
-		c, err = v.streamTLSOrXTLSConn(ctx, c, false)
+		// handle TLS
+		c, err = v.streamTLSConn(ctx, c, false)
 	}
 
 	if err != nil {
@@ -179,7 +177,7 @@ func (v *Vless) streamConn(c net.Conn, metadata *C.Metadata) (conn net.Conn, err
 			metadata = &C.Metadata{
 				NetWork: C.UDP,
 				Host:    packetaddr.SeqPacketMagicAddress,
-				DstPort: "443",
+				DstPort: 443,
 			}
 		} else {
 			metadata = &C.Metadata{ // a clear metadata only contains ip
@@ -201,29 +199,17 @@ func (v *Vless) streamConn(c net.Conn, metadata *C.Metadata) (conn net.Conn, err
 	return
 }
 
-func (v *Vless) streamTLSOrXTLSConn(ctx context.Context, conn net.Conn, isH2 bool) (net.Conn, error) {
-	host, _, _ := net.SplitHostPort(v.addr)
+func (v *Vless) streamTLSConn(ctx context.Context, conn net.Conn, isH2 bool) (net.Conn, error) {
+	if v.option.TLS {
+		host, _, _ := net.SplitHostPort(v.addr)
 
-	if v.isLegacyXTLSEnabled() && !isH2 {
-		xtlsOpts := vless.XTLSConfig{
-			Host:           host,
-			SkipCertVerify: v.option.SkipCertVerify,
-			Fingerprint:    v.option.Fingerprint,
-		}
-
-		if v.option.ServerName != "" {
-			xtlsOpts.Host = v.option.ServerName
-		}
-
-		return vless.StreamXTLSConn(ctx, conn, &xtlsOpts)
-
-	} else if v.option.TLS {
 		tlsOpts := vmess.TLSConfig{
 			Host:              host,
 			SkipCertVerify:    v.option.SkipCertVerify,
 			FingerPrint:       v.option.Fingerprint,
 			ClientFingerprint: v.option.ClientFingerprint,
 			Reality:           v.realityConfig,
+			NextProtos:        v.option.ALPN,
 		}
 
 		if isH2 {
@@ -240,10 +226,6 @@ func (v *Vless) streamTLSOrXTLSConn(ctx context.Context, conn net.Conn, isH2 boo
 	return conn, nil
 }
 
-func (v *Vless) isLegacyXTLSEnabled() bool {
-	return v.client.Addons != nil && v.client.Addons.Flow != vless.XRV
-}
-
 // DialContext implements C.ProxyAdapter
 func (v *Vless) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
 	// gun transport
@@ -278,7 +260,7 @@ func (v *Vless) DialContextWithDialer(ctx context.Context, dialer C.Dialer, meta
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 	defer func(c net.Conn) {
 		safeConnClose(c, err)
 	}(c)
@@ -343,7 +325,7 @@ func (v *Vless) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, met
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 	defer func(c net.Conn) {
 		safeConnClose(c, err)
 	}(c)
@@ -373,8 +355,14 @@ func (v *Vless) ListenPacketOnStreamConn(ctx context.Context, c net.Conn, metada
 	}
 
 	if v.option.XUDP {
+		var globalID [8]byte
+		if metadata.SourceValid() {
+			globalID = utils.GlobalID(metadata.SourceAddress())
+		}
 		return newPacketConn(N.NewThreadSafePacketConn(
-			vmessSing.NewXUDPConn(c, M.SocksaddrFromNet(metadata.UDPAddr())),
+			vmessSing.NewXUDPConn(c,
+				globalID,
+				M.SocksaddrFromNet(metadata.UDPAddr())),
 		), v), nil
 	} else if v.option.PacketAddr {
 		return newPacketConn(N.NewThreadSafePacketConn(
@@ -410,12 +398,11 @@ func parseVlessAddr(metadata *C.Metadata, xudp bool) *vless.DstAddr {
 		copy(addr[1:], metadata.Host)
 	}
 
-	port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
 	return &vless.DstAddr{
 		UDP:      metadata.NetWork == C.UDP,
 		AddrType: addrType,
 		Addr:     addr,
-		Port:     uint16(port),
+		Port:     metadata.DstPort,
 		Mux:      metadata.NetWork == C.UDP && xudp,
 	}
 }
@@ -519,11 +506,11 @@ func NewVless(option VlessOption) (*Vless, error) {
 		switch option.Flow {
 		case vless.XRV:
 			log.Warnln("To use %s, ensure your server is upgrade to Xray-core v1.8.0+", vless.XRV)
-			fallthrough
-		case vless.XRO, vless.XRD, vless.XRS:
 			addons = &vless.Addons{
 				Flow: option.Flow,
 			}
+		case vless.XRO, vless.XRD, vless.XRS:
+			log.Fatalln("Legacy XTLS protocol %s is deprecated and no longer supported", option.Flow)
 		default:
 			return nil, fmt.Errorf("unsupported xtls flow type: %s", option.Flow)
 		}
@@ -542,7 +529,7 @@ func NewVless(option VlessOption) (*Vless, error) {
 		option.PacketAddr = false
 	}
 
-	client, err := vless.NewClient(option.UUID, addons, option.FlowShow)
+	client, err := vless.NewClient(option.UUID, addons)
 	if err != nil {
 		return nil, err
 	}
@@ -555,6 +542,7 @@ func NewVless(option VlessOption) (*Vless, error) {
 			udp:    option.UDP,
 			xudp:   option.XUDP,
 			tfo:    option.TFO,
+			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),
@@ -587,7 +575,7 @@ func NewVless(option VlessOption) (*Vless, error) {
 			if err != nil {
 				return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 			}
-			tcpKeepAlive(c)
+			N.TCPKeepAlive(c)
 			return c, nil
 		}
 
@@ -601,7 +589,7 @@ func NewVless(option VlessOption) (*Vless, error) {
 		}
 		var tlsConfig *tls.Config
 		if option.TLS {
-			tlsConfig = tlsC.GetGlobalTLSConfig(&tls.Config{
+			tlsConfig = ca.GetGlobalTLSConfig(&tls.Config{
 				InsecureSkipVerify: v.option.SkipCertVerify,
 				ServerName:         v.option.ServerName,
 			})

adapter/outbound/vmess.go

@@ -12,16 +12,19 @@ import (
 	"sync"
 
 	N "github.com/Dreamacro/clash/common/net"
+	"github.com/Dreamacro/clash/common/utils"
+	"github.com/Dreamacro/clash/component/ca"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/proxydialer"
 	"github.com/Dreamacro/clash/component/resolver"
 	tlsC "github.com/Dreamacro/clash/component/tls"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/ntp"
 	"github.com/Dreamacro/clash/transport/gun"
 	clashVMess "github.com/Dreamacro/clash/transport/vmess"
 
-	vmess "github.com/sagernet/sing-vmess"
-	"github.com/sagernet/sing-vmess/packetaddr"
+	vmess "github.com/metacubex/sing-vmess"
+	"github.com/metacubex/sing-vmess/packetaddr"
 	M "github.com/sagernet/sing/common/metadata"
 )
 
@@ -51,6 +54,7 @@ type VmessOption struct {
 	UDP                 bool           `proxy:"udp,omitempty"`
 	Network             string         `proxy:"network,omitempty"`
 	TLS                 bool           `proxy:"tls,omitempty"`
+	ALPN                []string       `proxy:"alpn,omitempty"`
 	SkipCertVerify      bool           `proxy:"skip-cert-verify,omitempty"`
 	Fingerprint         string         `proxy:"fingerprint,omitempty"`
 	ServerName          string         `proxy:"servername,omitempty"`
@@ -124,12 +128,9 @@ func (v *Vmess) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 				NextProtos:         []string{"http/1.1"},
 			}
 
-			if len(v.option.Fingerprint) == 0 {
-				wsOpts.TLSConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
-			} else {
-				if wsOpts.TLSConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint); err != nil {
-					return nil, err
-				}
+			wsOpts.TLSConfig, err = ca.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint)
+			if err != nil {
+				return nil, err
 			}
 
 			if v.option.ServerName != "" {
@@ -148,6 +149,7 @@ func (v *Vmess) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 				SkipCertVerify:    v.option.SkipCertVerify,
 				ClientFingerprint: v.option.ClientFingerprint,
 				Reality:           v.realityConfig,
+				NextProtos:        v.option.ALPN,
 			}
 
 			if v.option.ServerName != "" {
@@ -204,6 +206,7 @@ func (v *Vmess) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 				SkipCertVerify:    v.option.SkipCertVerify,
 				ClientFingerprint: v.option.ClientFingerprint,
 				Reality:           v.realityConfig,
+				NextProtos:        v.option.ALPN,
 			}
 
 			if v.option.ServerName != "" {
@@ -223,30 +226,44 @@ func (v *Vmess) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.M
 func (v *Vmess) streamConn(c net.Conn, metadata *C.Metadata) (conn net.Conn, err error) {
 	if metadata.NetWork == C.UDP {
 		if v.option.XUDP {
+			var globalID [8]byte
+			if metadata.SourceValid() {
+				globalID = utils.GlobalID(metadata.SourceAddress())
+			}
 			if N.NeedHandshake(c) {
-				conn = v.client.DialEarlyXUDPPacketConn(c, M.SocksaddrFromNet(metadata.UDPAddr()))
+				conn = v.client.DialEarlyXUDPPacketConn(c,
+					globalID,
+					M.SocksaddrFromNet(metadata.UDPAddr()))
 			} else {
-				conn, err = v.client.DialXUDPPacketConn(c, M.SocksaddrFromNet(metadata.UDPAddr()))
+				conn, err = v.client.DialXUDPPacketConn(c,
+					globalID,
+					M.SocksaddrFromNet(metadata.UDPAddr()))
 			}
 		} else if v.option.PacketAddr {
 			if N.NeedHandshake(c) {
-				conn = v.client.DialEarlyPacketConn(c, M.ParseSocksaddrHostPort(packetaddr.SeqPacketMagicAddress, 443))
+				conn = v.client.DialEarlyPacketConn(c,
+					M.ParseSocksaddrHostPort(packetaddr.SeqPacketMagicAddress, 443))
 			} else {
-				conn, err = v.client.DialPacketConn(c, M.ParseSocksaddrHostPort(packetaddr.SeqPacketMagicAddress, 443))
+				conn, err = v.client.DialPacketConn(c,
+					M.ParseSocksaddrHostPort(packetaddr.SeqPacketMagicAddress, 443))
 			}
 			conn = packetaddr.NewBindConn(conn)
 		} else {
 			if N.NeedHandshake(c) {
-				conn = v.client.DialEarlyPacketConn(c, M.SocksaddrFromNet(metadata.UDPAddr()))
+				conn = v.client.DialEarlyPacketConn(c,
+					M.SocksaddrFromNet(metadata.UDPAddr()))
 			} else {
-				conn, err = v.client.DialPacketConn(c, M.SocksaddrFromNet(metadata.UDPAddr()))
+				conn, err = v.client.DialPacketConn(c,
+					M.SocksaddrFromNet(metadata.UDPAddr()))
 			}
 		}
 	} else {
 		if N.NeedHandshake(c) {
-			conn = v.client.DialEarlyConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			conn = v.client.DialEarlyConn(c,
+				M.ParseSocksaddr(metadata.RemoteAddress()))
 		} else {
-			conn, err = v.client.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			conn, err = v.client.DialConn(c,
+				M.ParseSocksaddr(metadata.RemoteAddress()))
 		}
 	}
 	if err != nil {
@@ -289,7 +306,7 @@ func (v *Vmess) DialContextWithDialer(ctx context.Context, dialer C.Dialer, meta
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 	defer func(c net.Conn) {
 		safeConnClose(c, err)
 	}(c)
@@ -350,7 +367,7 @@ func (v *Vmess) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, met
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
-	tcpKeepAlive(c)
+	N.TCPKeepAlive(c)
 	defer func(c net.Conn) {
 		safeConnClose(c, err)
 	}(c)
@@ -398,6 +415,7 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 	if option.AuthenticatedLength {
 		options = append(options, vmess.ClientWithAuthenticatedLength())
 	}
+	options = append(options, vmess.ClientWithTimeFunc(ntp.Now))
 	client, err := vmess.NewClient(option.UUID, security, option.AlterID, options...)
 	if err != nil {
 		return nil, err
@@ -421,6 +439,7 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 			udp:    option.UDP,
 			xudp:   option.XUDP,
 			tfo:    option.TFO,
+			mpTcp:  option.MPTCP,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),
@@ -448,7 +467,7 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 			if err != nil {
 				return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 			}
-			tcpKeepAlive(c)
+			N.TCPKeepAlive(c)
 			return c, nil
 		}
 
@@ -462,7 +481,7 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 		}
 		var tlsConfig *tls.Config
 		if option.TLS {
-			tlsConfig = tlsC.GetGlobalTLSConfig(&tls.Config{
+			tlsConfig = ca.GetGlobalTLSConfig(&tls.Config{
 				InsecureSkipVerify: v.option.SkipCertVerify,
 				ServerName:         v.option.ServerName,
 			})

adapter/outbound/wireguard.go

@@ -27,7 +27,6 @@ import (
 	"github.com/sagernet/sing/common/debug"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
-	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/wireguard-go/device"
 )
 
@@ -36,7 +35,7 @@ type WireGuard struct {
 	bind      *wireguard.ClientBind
 	device    *device.Device
 	tunDevice wireguard.Device
-	dialer    *wgSingDialer
+	dialer    proxydialer.SingDialer
 	startOnce sync.Once
 	startErr  error
 	resolver  *dns.Resolver
@@ -70,37 +69,6 @@ type WireGuardPeerOption struct {
 	AllowedIPs   []string `proxy:"allowed-ips,omitempty"`
 }
 
-type wgSingDialer struct {
-	dialer    dialer.Dialer
-	proxyName string
-}
-
-var _ N.Dialer = (*wgSingDialer)(nil)
-
-func (d *wgSingDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
-	var cDialer C.Dialer = d.dialer
-	if len(d.proxyName) > 0 {
-		pd, err := proxydialer.NewByName(d.proxyName, d.dialer)
-		if err != nil {
-			return nil, err
-		}
-		cDialer = pd
-	}
-	return cDialer.DialContext(ctx, network, destination.String())
-}
-
-func (d *wgSingDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	var cDialer C.Dialer = d.dialer
-	if len(d.proxyName) > 0 {
-		pd, err := proxydialer.NewByName(d.proxyName, d.dialer)
-		if err != nil {
-			return nil, err
-		}
-		cDialer = pd
-	}
-	return cDialer.ListenPacket(ctx, "udp", "", destination.AddrPort())
-}
-
 type wgSingErrorHandler struct {
 	name string
 }
@@ -168,7 +136,7 @@ func NewWireGuard(option WireGuardOption) (*WireGuard, error) {
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
-		dialer: &wgSingDialer{dialer: dialer.NewDialer(), proxyName: option.DialerProxy},
+		dialer: proxydialer.NewByNameSingDialer(option.DialerProxy, dialer.NewDialer()),
 	}
 	runtime.SetFinalizer(outbound, closeWireGuard)
 
@@ -302,7 +270,7 @@ func NewWireGuard(option WireGuardOption) (*WireGuard, error) {
 	if err != nil {
 		return nil, E.Cause(err, "create WireGuard device")
 	}
-	outbound.device = device.NewDevice(outbound.tunDevice, outbound.bind, &device.Logger{
+	outbound.device = device.NewDevice(context.Background(), outbound.tunDevice, outbound.bind, &device.Logger{
 		Verbosef: func(format string, args ...interface{}) {
 			log.SingLogger.Debug(fmt.Sprintf("[WG](%s) %s", option.Name, fmt.Sprintf(format, args...)))
 		},
@@ -355,7 +323,7 @@ func closeWireGuard(w *WireGuard) {
 
 func (w *WireGuard) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
 	options := w.Base.DialOptions(opts...)
-	w.dialer.dialer = dialer.NewDialer(options...)
+	w.dialer.SetDialer(dialer.NewDialer(options...))
 	var conn net.Conn
 	w.startOnce.Do(func() {
 		w.startErr = w.tunDevice.Start()
@@ -374,8 +342,7 @@ func (w *WireGuard) DialContext(ctx context.Context, metadata *C.Metadata, opts
 		options = append(options, dialer.WithNetDialer(wgNetDialer{tunDevice: w.tunDevice}))
 		conn, err = dialer.NewDialer(options...).DialContext(ctx, "tcp", metadata.RemoteAddress())
 	} else {
-		port, _ := strconv.Atoi(metadata.DstPort)
-		conn, err = w.tunDevice.DialContext(ctx, "tcp", M.SocksaddrFrom(metadata.DstIP, uint16(port)).Unwrap())
+		conn, err = w.tunDevice.DialContext(ctx, "tcp", M.SocksaddrFrom(metadata.DstIP, metadata.DstPort).Unwrap())
 	}
 	if err != nil {
 		return nil, err
@@ -388,7 +355,7 @@ func (w *WireGuard) DialContext(ctx context.Context, metadata *C.Metadata, opts
 
 func (w *WireGuard) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
 	options := w.Base.DialOptions(opts...)
-	w.dialer.dialer = dialer.NewDialer(options...)
+	w.dialer.SetDialer(dialer.NewDialer(options...))
 	var pc net.PacketConn
 	w.startOnce.Do(func() {
 		w.startErr = w.tunDevice.Start()
@@ -412,8 +379,7 @@ func (w *WireGuard) ListenPacketContext(ctx context.Context, metadata *C.Metadat
 		}
 		metadata.DstIP = ip
 	}
-	port, _ := strconv.Atoi(metadata.DstPort)
-	pc, err = w.tunDevice.ListenPacket(ctx, M.SocksaddrFrom(metadata.DstIP, uint16(port)).Unwrap())
+	pc, err = w.tunDevice.ListenPacket(ctx, M.SocksaddrFrom(metadata.DstIP, metadata.DstPort).Unwrap())
 	if err != nil {
 		return nil, err
 	}

adapter/outboundgroup/fallback.go

@@ -9,6 +9,7 @@ import (
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/common/callback"
 	N "github.com/Dreamacro/clash/common/net"
+	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
@@ -16,9 +17,10 @@ import (
 
 type Fallback struct {
 	*GroupBase
-	disableUDP bool
-	testUrl    string
-	selected   string
+	disableUDP     bool
+	testUrl        string
+	selected       string
+	expectedStatus string
 }
 
 func (f *Fallback) Now() string {
@@ -82,9 +84,11 @@ func (f *Fallback) MarshalJSON() ([]byte, error) {
 		all = append(all, proxy.Name())
 	}
 	return json.Marshal(map[string]any{
-		"type": f.Type().String(),
-		"now":  f.Now(),
-		"all":  all,
+		"type":     f.Type().String(),
+		"now":      f.Now(),
+		"all":      all,
+		"testUrl":  f.testUrl,
+		"expected": f.expectedStatus,
 	})
 }
 
@@ -98,12 +102,14 @@ func (f *Fallback) findAliveProxy(touch bool) C.Proxy {
 	proxies := f.GetProxies(touch)
 	for _, proxy := range proxies {
 		if len(f.selected) == 0 {
-			if proxy.Alive() {
+			// if proxy.Alive() {
+			if proxy.AliveForTestUrl(f.testUrl) {
 				return proxy
 			}
 		} else {
 			if proxy.Name() == f.selected {
-				if proxy.Alive() {
+				// if proxy.Alive() {
+				if proxy.AliveForTestUrl(f.testUrl) {
 					return proxy
 				} else {
 					f.selected = ""
@@ -129,10 +135,12 @@ func (f *Fallback) Set(name string) error {
 	}
 
 	f.selected = name
-	if !p.Alive() {
+	// if !p.Alive() {
+	if !p.AliveForTestUrl(f.testUrl) {
 		ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*time.Duration(5000))
 		defer cancel()
-		_, _ = p.URLTest(ctx, f.testUrl)
+		expectedStatus, _ := utils.NewIntRanges[uint16](f.expectedStatus)
+		_, _ = p.URLTest(ctx, f.testUrl, expectedStatus, C.ExtraHistory)
 	}
 
 	return nil
@@ -156,7 +164,8 @@ func NewFallback(option *GroupCommonOption, providers []provider.ProxyProvider)
 			option.ExcludeType,
 			providers,
 		}),
-		disableUDP: option.DisableUDP,
-		testUrl:    option.URL,
+		disableUDP:     option.DisableUDP,
+		testUrl:        option.URL,
+		expectedStatus: option.ExpectedStatus,
 	}
 }

adapter/outboundgroup/groupbase.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/common/atomic"
+	"github.com/Dreamacro/clash/common/utils"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
 	types "github.com/Dreamacro/clash/constant/provider"
@@ -192,7 +193,7 @@ func (gb *GroupBase) GetProxies(touch bool) []C.Proxy {
 	return proxies
 }
 
-func (gb *GroupBase) URLTest(ctx context.Context, url string) (map[string]uint16, error) {
+func (gb *GroupBase) URLTest(ctx context.Context, url string, expectedStatus utils.IntRanges[uint16]) (map[string]uint16, error) {
 	var wg sync.WaitGroup
 	var lock sync.Mutex
 	mp := map[string]uint16{}
@@ -201,7 +202,7 @@ func (gb *GroupBase) URLTest(ctx context.Context, url string) (map[string]uint16
 		proxy := proxy
 		wg.Add(1)
 		go func() {
-			delay, err := proxy.URLTest(ctx, url)
+			delay, err := proxy.URLTest(ctx, url, expectedStatus, C.DropHistory)
 			if err == nil {
 				lock.Lock()
 				mp[proxy.Name()] = delay

adapter/outboundgroup/loadbalance.go

@@ -12,8 +12,8 @@ import (
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/common/cache"
 	"github.com/Dreamacro/clash/common/callback"
-	"github.com/Dreamacro/clash/common/murmur3"
 	N "github.com/Dreamacro/clash/common/net"
+	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
@@ -25,8 +25,10 @@ type strategyFn = func(proxies []C.Proxy, metadata *C.Metadata, touch bool) C.Pr
 
 type LoadBalance struct {
 	*GroupBase
-	disableUDP bool
-	strategyFn strategyFn
+	disableUDP     bool
+	strategyFn     strategyFn
+	testUrl        string
+	expectedStatus string
 }
 
 var errStrategy = errors.New("unsupported strategy")
@@ -129,7 +131,7 @@ func (lb *LoadBalance) IsL3Protocol(metadata *C.Metadata) bool {
 	return lb.Unwrap(metadata, false).IsL3Protocol(metadata)
 }
 
-func strategyRoundRobin() strategyFn {
+func strategyRoundRobin(url string) strategyFn {
 	idx := 0
 	idxMutex := sync.Mutex{}
 	return func(proxies []C.Proxy, metadata *C.Metadata, touch bool) C.Proxy {
@@ -148,7 +150,8 @@ func strategyRoundRobin() strategyFn {
 		for ; i < length; i++ {
 			id := (idx + i) % length
 			proxy := proxies[id]
-			if proxy.Alive() {
+			// if proxy.Alive() {
+			if proxy.AliveForTestUrl(url) {
 				i++
 				return proxy
 			}
@@ -158,22 +161,24 @@ func strategyRoundRobin() strategyFn {
 	}
 }
 
-func strategyConsistentHashing() strategyFn {
+func strategyConsistentHashing(url string) strategyFn {
 	maxRetry := 5
 	return func(proxies []C.Proxy, metadata *C.Metadata, touch bool) C.Proxy {
-		key := uint64(murmur3.Sum32([]byte(getKey(metadata))))
+		key := utils.MapHash(getKey(metadata))
 		buckets := int32(len(proxies))
 		for i := 0; i < maxRetry; i, key = i+1, key+1 {
 			idx := jumpHash(key, buckets)
 			proxy := proxies[idx]
-			if proxy.Alive() {
+			// if proxy.Alive() {
+			if proxy.AliveForTestUrl(url) {
 				return proxy
 			}
 		}
 
 		// when availability is poor, traverse the entire list to get the available nodes
 		for _, proxy := range proxies {
-			if proxy.Alive() {
+			// if proxy.Alive() {
+			if proxy.AliveForTestUrl(url) {
 				return proxy
 			}
 		}
@@ -182,14 +187,14 @@ func strategyConsistentHashing() strategyFn {
 	}
 }
 
-func strategyStickySessions() strategyFn {
+func strategyStickySessions(url string) strategyFn {
 	ttl := time.Minute * 10
 	maxRetry := 5
 	lruCache := cache.New[uint64, int](
 		cache.WithAge[uint64, int](int64(ttl.Seconds())),
 		cache.WithSize[uint64, int](1000))
 	return func(proxies []C.Proxy, metadata *C.Metadata, touch bool) C.Proxy {
-		key := uint64(murmur3.Sum32([]byte(getKeyWithSrcAndDst(metadata))))
+		key := utils.MapHash(getKeyWithSrcAndDst(metadata))
 		length := len(proxies)
 		idx, has := lruCache.Get(key)
 		if !has {
@@ -199,7 +204,8 @@ func strategyStickySessions() strategyFn {
 		nowIdx := idx
 		for i := 1; i < maxRetry; i++ {
 			proxy := proxies[nowIdx]
-			if proxy.Alive() {
+			// if proxy.Alive() {
+			if proxy.AliveForTestUrl(url) {
 				if nowIdx != idx {
 					lruCache.Delete(key)
 					lruCache.Set(key, nowIdx)
@@ -230,8 +236,10 @@ func (lb *LoadBalance) MarshalJSON() ([]byte, error) {
 		all = append(all, proxy.Name())
 	}
 	return json.Marshal(map[string]any{
-		"type": lb.Type().String(),
-		"all":  all,
+		"type":           lb.Type().String(),
+		"all":            all,
+		"testUrl":        lb.testUrl,
+		"expectedStatus": lb.expectedStatus,
 	})
 }
 
@@ -239,11 +247,11 @@ func NewLoadBalance(option *GroupCommonOption, providers []provider.ProxyProvide
 	var strategyFn strategyFn
 	switch strategy {
 	case "consistent-hashing":
-		strategyFn = strategyConsistentHashing()
+		strategyFn = strategyConsistentHashing(option.URL)
 	case "round-robin":
-		strategyFn = strategyRoundRobin()
+		strategyFn = strategyRoundRobin(option.URL)
 	case "sticky-sessions":
-		strategyFn = strategyStickySessions()
+		strategyFn = strategyStickySessions(option.URL)
 	default:
 		return nil, fmt.Errorf("%w: %s", errStrategy, strategy)
 	}
@@ -260,7 +268,9 @@ func NewLoadBalance(option *GroupCommonOption, providers []provider.ProxyProvide
 			option.ExcludeType,
 			providers,
 		}),
-		strategyFn: strategyFn,
-		disableUDP: option.DisableUDP,
+		strategyFn:     strategyFn,
+		disableUDP:     option.DisableUDP,
+		testUrl:        option.URL,
+		expectedStatus: option.ExpectedStatus,
 	}, nil
 }

adapter/outboundgroup/parser.go

@@ -3,35 +3,37 @@ package outboundgroup
 import (
 	"errors"
 	"fmt"
+	"strings"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/adapter/provider"
 	"github.com/Dreamacro/clash/common/structure"
+	"github.com/Dreamacro/clash/common/utils"
 	C "github.com/Dreamacro/clash/constant"
 	types "github.com/Dreamacro/clash/constant/provider"
 )
 
 var (
 	errFormat            = errors.New("format error")
-	errType              = errors.New("unsupport type")
+	errType              = errors.New("unsupported type")
 	errMissProxy         = errors.New("`use` or `proxies` missing")
-	errMissHealthCheck   = errors.New("`url` or `interval` missing")
 	errDuplicateProvider = errors.New("duplicate provider name")
 )
 
 type GroupCommonOption struct {
 	outbound.BasicOption
-	Name          string   `group:"name"`
-	Type          string   `group:"type"`
-	Proxies       []string `group:"proxies,omitempty"`
-	Use           []string `group:"use,omitempty"`
-	URL           string   `group:"url,omitempty"`
-	Interval      int      `group:"interval,omitempty"`
-	Lazy          bool     `group:"lazy,omitempty"`
-	DisableUDP    bool     `group:"disable-udp,omitempty"`
-	Filter        string   `group:"filter,omitempty"`
-	ExcludeFilter string   `group:"exclude-filter,omitempty"`
-	ExcludeType   string   `group:"exclude-type,omitempty"`
+	Name           string   `group:"name"`
+	Type           string   `group:"type"`
+	Proxies        []string `group:"proxies,omitempty"`
+	Use            []string `group:"use,omitempty"`
+	URL            string   `group:"url,omitempty"`
+	Interval       int      `group:"interval,omitempty"`
+	Lazy           bool     `group:"lazy,omitempty"`
+	DisableUDP     bool     `group:"disable-udp,omitempty"`
+	Filter         string   `group:"filter,omitempty"`
+	ExcludeFilter  string   `group:"exclude-filter,omitempty"`
+	ExcludeType    string   `group:"exclude-type,omitempty"`
+	ExpectedStatus string   `group:"expected-status,omitempty"`
 }
 
 func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, providersMap map[string]types.ProxyProvider) (C.ProxyAdapter, error) {
@@ -53,30 +55,36 @@ func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, provide
 	providers := []types.ProxyProvider{}
 
 	if len(groupOption.Proxies) == 0 && len(groupOption.Use) == 0 {
-		return nil, errMissProxy
+		return nil, fmt.Errorf("%s: %w", groupName, errMissProxy)
 	}
 
+	expectedStatus, err := utils.NewIntRanges[uint16](groupOption.ExpectedStatus)
+	if err != nil {
+		return nil, fmt.Errorf("%s: %w", groupName, err)
+	}
+
+	status := strings.TrimSpace(groupOption.ExpectedStatus)
+	if status == "" {
+		status = "*"
+	}
+	groupOption.ExpectedStatus = status
+	testUrl := groupOption.URL
+
 	if len(groupOption.Proxies) != 0 {
 		ps, err := getProxies(proxyMap, groupOption.Proxies)
 		if err != nil {
-			return nil, err
+			return nil, fmt.Errorf("%s: %w", groupName, err)
 		}
 
 		if _, ok := providersMap[groupName]; ok {
-			return nil, errDuplicateProvider
+			return nil, fmt.Errorf("%s: %w", groupName, errDuplicateProvider)
 		}
 
-		// select don't need health check
-		if groupOption.Type == "select" || groupOption.Type == "relay" {
-			hc := provider.NewHealthCheck(ps, "", 0, true)
-			pd, err := provider.NewCompatibleProvider(groupName, ps, hc)
-			if err != nil {
-				return nil, err
-			}
+		var url string
+		var interval uint
 
-			providers = append(providers, pd)
-			providersMap[groupName] = pd
-		} else {
+		// select don't need health check
+		if groupOption.Type != "select" && groupOption.Type != "relay" {
 			if groupOption.URL == "" {
 				groupOption.URL = "https://cp.cloudflare.com/generate_204"
 			}
@@ -85,22 +93,29 @@ func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, provide
 				groupOption.Interval = 300
 			}
 
-			hc := provider.NewHealthCheck(ps, groupOption.URL, uint(groupOption.Interval), groupOption.Lazy)
-			pd, err := provider.NewCompatibleProvider(groupName, ps, hc)
-			if err != nil {
-				return nil, err
-			}
-
-			providers = append(providers, pd)
-			providersMap[groupName] = pd
+			url = groupOption.URL
+			interval = uint(groupOption.Interval)
 		}
+
+		hc := provider.NewHealthCheck(ps, url, interval, true, expectedStatus)
+		pd, err := provider.NewCompatibleProvider(groupName, ps, hc)
+		if err != nil {
+			return nil, fmt.Errorf("%s: %w", groupName, err)
+		}
+
+		providers = append(providers, pd)
+		providersMap[groupName] = pd
 	}
 
 	if len(groupOption.Use) != 0 {
 		list, err := getProviders(providersMap, groupOption.Use)
 		if err != nil {
-			return nil, err
+			return nil, fmt.Errorf("%s: %w", groupName, err)
 		}
+
+		// different proxy groups use different test URL
+		addTestUrlToProviders(list, testUrl, expectedStatus, groupOption.Filter, uint(groupOption.Interval))
+
 		providers = append(providers, list...)
 	} else {
 		groupOption.Filter = ""
@@ -154,3 +169,13 @@ func getProviders(mapping map[string]types.ProxyProvider, list []string) ([]type
 	}
 	return ps, nil
 }
+
+func addTestUrlToProviders(providers []types.ProxyProvider, url string, expectedStatus utils.IntRanges[uint16], filter string, interval uint) {
+	if len(providers) == 0 || len(url) == 0 {
+		return
+	}
+
+	for _, pd := range providers {
+		pd.RegisterHealthCheckTask(url, expectedStatus, filter, interval)
+	}
+}

adapter/outboundgroup/urltest.go

@@ -25,12 +25,13 @@ func urlTestWithTolerance(tolerance uint16) urlTestOption {
 
 type URLTest struct {
 	*GroupBase
-	selected   string
-	testUrl    string
-	tolerance  uint16
-	disableUDP bool
-	fastNode   C.Proxy
-	fastSingle *singledo.Single[C.Proxy]
+	selected       string
+	testUrl        string
+	expectedStatus string
+	tolerance      uint16
+	disableUDP     bool
+	fastNode       C.Proxy
+	fastSingle     *singledo.Single[C.Proxy]
 }
 
 func (u *URLTest) Now() string {
@@ -112,7 +113,8 @@ func (u *URLTest) fast(touch bool) C.Proxy {
 
 	elm, _, shared := u.fastSingle.Do(func() (C.Proxy, error) {
 		fast := proxies[0]
-		min := fast.LastDelay()
+		// min := fast.LastDelay()
+		min := fast.LastDelayForTestUrl(u.testUrl)
 		fastNotExist := true
 
 		for _, proxy := range proxies[1:] {
@@ -120,11 +122,13 @@ func (u *URLTest) fast(touch bool) C.Proxy {
 				fastNotExist = false
 			}
 
-			if !proxy.Alive() {
+			// if !proxy.Alive() {
+			if !proxy.AliveForTestUrl(u.testUrl) {
 				continue
 			}
 
-			delay := proxy.LastDelay()
+			// delay := proxy.LastDelay()
+			delay := proxy.LastDelayForTestUrl(u.testUrl)
 			if delay < min {
 				fast = proxy
 				min = delay
@@ -132,7 +136,8 @@ func (u *URLTest) fast(touch bool) C.Proxy {
 
 		}
 		// tolerance
-		if u.fastNode == nil || fastNotExist || !u.fastNode.Alive() || u.fastNode.LastDelay() > fast.LastDelay()+u.tolerance {
+		// if u.fastNode == nil || fastNotExist || !u.fastNode.Alive() || u.fastNode.LastDelay() > fast.LastDelay()+u.tolerance {
+		if u.fastNode == nil || fastNotExist || !u.fastNode.AliveForTestUrl(u.testUrl) || u.fastNode.LastDelayForTestUrl(u.testUrl) > fast.LastDelayForTestUrl(u.testUrl)+u.tolerance {
 			u.fastNode = fast
 		}
 		return u.fastNode, nil
@@ -164,9 +169,11 @@ func (u *URLTest) MarshalJSON() ([]byte, error) {
 		all = append(all, proxy.Name())
 	}
 	return json.Marshal(map[string]any{
-		"type": u.Type().String(),
-		"now":  u.Now(),
-		"all":  all,
+		"type":     u.Type().String(),
+		"now":      u.Now(),
+		"all":      all,
+		"testUrl":  u.testUrl,
+		"expected": u.expectedStatus,
 	})
 }
 
@@ -198,9 +205,10 @@ func NewURLTest(option *GroupCommonOption, providers []provider.ProxyProvider, o
 			option.ExcludeType,
 			providers,
 		}),
-		fastSingle: singledo.NewSingle[C.Proxy](time.Second * 10),
-		disableUDP: option.DisableUDP,
-		testUrl:    option.URL,
+		fastSingle:     singledo.NewSingle[C.Proxy](time.Second * 10),
+		disableUDP:     option.DisableUDP,
+		testUrl:        option.URL,
+		expectedStatus: option.ExpectedStatus,
 	}
 
 	for _, option := range options {

adapter/outboundgroup/util.go

@@ -1,17 +1,5 @@
 package outboundgroup
 
-import (
-	"net"
-	"time"
-)
-
-func tcpKeepAlive(c net.Conn) {
-	if tcp, ok := c.(*net.TCPConn); ok {
-		_ = tcp.SetKeepAlive(true)
-		_ = tcp.SetKeepAlivePeriod(30 * time.Second)
-	}
-}
-
 type SelectAble interface {
 	Set(string) error
 	ForceSet(name string)

adapter/parser.go

@@ -92,6 +92,13 @@ func ParseProxy(mapping map[string]any) (C.Proxy, error) {
 			break
 		}
 		proxy, err = outbound.NewHysteria(*hyOption)
+	case "hysteria2":
+		hyOption := &outbound.Hysteria2Option{}
+		err = decoder.Decode(mapping, hyOption)
+		if err != nil {
+			break
+		}
+		proxy, err = outbound.NewHysteria2(*hyOption)
 	case "wireguard":
 		wgOption := &outbound.WireGuardOption{}
 		err = decoder.Decode(mapping, wgOption)
@@ -106,6 +113,13 @@ func ParseProxy(mapping map[string]any) (C.Proxy, error) {
 			break
 		}
 		proxy, err = outbound.NewTuic(*tuicOption)
+	case "direct":
+		directOption := &outbound.DirectOption{}
+		err = decoder.Decode(mapping, directOption)
+		if err != nil {
+			break
+		}
+		proxy = outbound.NewDirectWithOption(*directOption)
 	default:
 		return nil, fmt.Errorf("unsupport proxy type: %s", proxyType)
 	}

adapter/provider/healthcheck.go

@@ -2,6 +2,8 @@ package provider
 
 import (
 	"context"
+	"strings"
+	"sync"
 	"time"
 
 	"github.com/Dreamacro/clash/common/atomic"
@@ -10,6 +12,8 @@ import (
 	"github.com/Dreamacro/clash/common/utils"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
+
+	"github.com/dlclark/regexp2"
 )
 
 const (
@@ -21,18 +25,33 @@ type HealthCheckOption struct {
 	Interval uint
 }
 
+type extraOption struct {
+	expectedStatus utils.IntRanges[uint16]
+	filters        map[string]struct{}
+}
+
 type HealthCheck struct {
-	url       string
-	proxies   []C.Proxy
-	interval  uint
-	lazy      bool
-	lastTouch *atomic.Int64
-	done      chan struct{}
-	singleDo  *singledo.Single[struct{}]
+	url            string
+	extra          map[string]*extraOption
+	mu             sync.Mutex
+	started        *atomic.Bool
+	proxies        []C.Proxy
+	interval       uint
+	lazy           bool
+	expectedStatus utils.IntRanges[uint16]
+	lastTouch      *atomic.Int64
+	done           chan struct{}
+	singleDo       *singledo.Single[struct{}]
 }
 
 func (hc *HealthCheck) process() {
+	if hc.started.Load() {
+		log.Warnln("Skip start health check timer due to it's started")
+		return
+	}
+
 	ticker := time.NewTicker(time.Duration(hc.interval) * time.Second)
+	hc.start()
 	for {
 		select {
 		case <-ticker.C:
@@ -44,6 +63,7 @@ func (hc *HealthCheck) process() {
 			}
 		case <-hc.done:
 			ticker.Stop()
+			hc.stop()
 			return
 		}
 	}
@@ -53,6 +73,63 @@ func (hc *HealthCheck) setProxy(proxies []C.Proxy) {
 	hc.proxies = proxies
 }
 
+func (hc *HealthCheck) registerHealthCheckTask(url string, expectedStatus utils.IntRanges[uint16], filter string, interval uint) {
+	url = strings.TrimSpace(url)
+	if len(url) == 0 || url == hc.url {
+		log.Debugln("ignore invalid health check url: %s", url)
+		return
+	}
+
+	hc.mu.Lock()
+	defer hc.mu.Unlock()
+
+	// if the provider has not set up health checks, then modify it to be the same as the group's interval
+	if hc.interval == 0 {
+		hc.interval = interval
+	}
+
+	if hc.extra == nil {
+		hc.extra = make(map[string]*extraOption)
+	}
+
+	// prioritize the use of previously registered configurations, especially those from provider
+	if _, ok := hc.extra[url]; ok {
+		// provider default health check does not set filter
+		if url != hc.url && len(filter) != 0 {
+			splitAndAddFiltersToExtra(filter, hc.extra[url])
+		}
+
+		log.Debugln("health check url: %s exists", url)
+		return
+	}
+
+	// due to the time-consuming nature of health checks, a maximum of defaultMaxTestURLNum URLs can be set for testing
+	if len(hc.extra) > C.DefaultMaxHealthCheckUrlNum {
+		log.Debugln("skip add url: %s to health check because it has reached the maximum limit: %d", url, C.DefaultMaxHealthCheckUrlNum)
+		return
+	}
+
+	option := &extraOption{filters: map[string]struct{}{}, expectedStatus: expectedStatus}
+	splitAndAddFiltersToExtra(filter, option)
+	hc.extra[url] = option
+
+	if hc.auto() && !hc.started.Load() {
+		go hc.process()
+	}
+}
+
+func splitAndAddFiltersToExtra(filter string, option *extraOption) {
+	filter = strings.TrimSpace(filter)
+	if len(filter) != 0 {
+		for _, regex := range strings.Split(filter, "`") {
+			regex = strings.TrimSpace(regex)
+			if len(regex) != 0 {
+				option.filters[regex] = struct{}{}
+			}
+		}
+	}
+}
+
 func (hc *HealthCheck) auto() bool {
 	return hc.interval != 0
 }
@@ -61,41 +138,102 @@ func (hc *HealthCheck) touch() {
 	hc.lastTouch.Store(time.Now().Unix())
 }
 
+func (hc *HealthCheck) start() {
+	hc.started.Store(true)
+}
+
+func (hc *HealthCheck) stop() {
+	hc.started.Store(false)
+}
+
 func (hc *HealthCheck) check() {
 	_, _, _ = hc.singleDo.Do(func() (struct{}, error) {
 		id := utils.NewUUIDV4().String()
 		log.Debugln("Start New Health Checking {%s}", id)
 		b, _ := batch.New[bool](context.Background(), batch.WithConcurrencyNum[bool](10))
-		for _, proxy := range hc.proxies {
-			p := proxy
-			b.Go(p.Name(), func() (bool, error) {
-				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
-			})
-		}
 
+		// execute default health check
+		option := &extraOption{filters: nil, expectedStatus: hc.expectedStatus}
+		hc.execute(b, hc.url, id, option)
+
+		// execute extra health check
+		if len(hc.extra) != 0 {
+			for url, option := range hc.extra {
+				hc.execute(b, url, id, option)
+			}
+		}
 		b.Wait()
 		log.Debugln("Finish A Health Checking {%s}", id)
 		return struct{}{}, nil
 	})
 }
 
+func (hc *HealthCheck) execute(b *batch.Batch[bool], url, uid string, option *extraOption) {
+	url = strings.TrimSpace(url)
+	if len(url) == 0 {
+		log.Debugln("Health Check has been skipped due to testUrl is empty, {%s}", uid)
+		return
+	}
+
+	var filterReg *regexp2.Regexp
+	var store = C.OriginalHistory
+	var expectedStatus utils.IntRanges[uint16]
+	if option != nil {
+		if url != hc.url {
+			store = C.ExtraHistory
+		}
+
+		expectedStatus = option.expectedStatus
+		if len(option.filters) != 0 {
+			filters := make([]string, 0, len(option.filters))
+			for filter := range option.filters {
+				filters = append(filters, filter)
+			}
+
+			filterReg = regexp2.MustCompile(strings.Join(filters, "|"), 0)
+		}
+	}
+
+	for _, proxy := range hc.proxies {
+		// skip proxies that do not require health check
+		if filterReg != nil {
+			if match, _ := filterReg.FindStringMatch(proxy.Name()); match == nil {
+				continue
+			}
+		}
+
+		p := proxy
+		b.Go(p.Name(), func() (bool, error) {
+			ctx, cancel := context.WithTimeout(context.Background(), defaultURLTestTimeout)
+			defer cancel()
+			log.Debugln("Health Checking, proxy: %s, url: %s, id: {%s}", p.Name(), url, uid)
+			_, _ = p.URLTest(ctx, url, expectedStatus, store)
+			log.Debugln("Health Checked, proxy: %s, url: %s, alive: %t, delay: %d ms uid: {%s}", p.Name(), url, p.AliveForTestUrl(url), p.LastDelayForTestUrl(url), uid)
+			return false, nil
+		})
+	}
+}
+
 func (hc *HealthCheck) close() {
 	hc.done <- struct{}{}
 }
 
-func NewHealthCheck(proxies []C.Proxy, url string, interval uint, lazy bool) *HealthCheck {
+func NewHealthCheck(proxies []C.Proxy, url string, interval uint, lazy bool, expectedStatus utils.IntRanges[uint16]) *HealthCheck {
+	if len(url) == 0 {
+		interval = 0
+		expectedStatus = nil
+	}
+
 	return &HealthCheck{
-		proxies:   proxies,
-		url:       url,
-		interval:  interval,
-		lazy:      lazy,
-		lastTouch: atomic.NewInt64(0),
-		done:      make(chan struct{}, 1),
-		singleDo:  singledo.NewSingle[struct{}](time.Second),
+		proxies:        proxies,
+		url:            url,
+		extra:          map[string]*extraOption{},
+		started:        atomic.NewBool(false),
+		interval:       interval,
+		lazy:           lazy,
+		expectedStatus: expectedStatus,
+		lastTouch:      atomic.NewInt64(0),
+		done:           make(chan struct{}, 1),
+		singleDo:       singledo.NewSingle[struct{}](time.Second),
 	}
 }

adapter/provider/parser.go

@@ -6,23 +6,28 @@ import (
 	"time"
 
 	"github.com/Dreamacro/clash/common/structure"
+	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/component/resource"
 	C "github.com/Dreamacro/clash/constant"
 	types "github.com/Dreamacro/clash/constant/provider"
 )
 
-var errVehicleType = errors.New("unsupport vehicle type")
+var (
+	errVehicleType = errors.New("unsupport vehicle type")
+	errSubPath     = errors.New("path is not subpath of home directory")
+)
 
 type healthCheckSchema struct {
-	Enable   bool   `provider:"enable"`
-	URL      string `provider:"url"`
-	Interval int    `provider:"interval"`
-	Lazy     bool   `provider:"lazy,omitempty"`
+	Enable         bool   `provider:"enable"`
+	URL            string `provider:"url"`
+	Interval       int    `provider:"interval"`
+	Lazy           bool   `provider:"lazy,omitempty"`
+	ExpectedStatus string `provider:"expected-status,omitempty"`
 }
 
 type proxyProviderSchema struct {
 	Type          string            `provider:"type"`
-	Path          string            `provider:"path"`
+	Path          string            `provider:"path,omitempty"`
 	URL           string            `provider:"url,omitempty"`
 	Interval      int               `provider:"interval,omitempty"`
 	Filter        string            `provider:"filter,omitempty"`
@@ -44,20 +49,33 @@ func ParseProxyProvider(name string, mapping map[string]any) (types.ProxyProvide
 		return nil, err
 	}
 
+	expectedStatus, err := utils.NewIntRanges[uint16](schema.HealthCheck.ExpectedStatus)
+	if err != nil {
+		return nil, err
+	}
+
 	var hcInterval uint
 	if schema.HealthCheck.Enable {
 		hcInterval = uint(schema.HealthCheck.Interval)
 	}
-	hc := NewHealthCheck([]C.Proxy{}, schema.HealthCheck.URL, hcInterval, schema.HealthCheck.Lazy)
-
-	path := C.Path.Resolve(schema.Path)
+	hc := NewHealthCheck([]C.Proxy{}, schema.HealthCheck.URL, hcInterval, schema.HealthCheck.Lazy, expectedStatus)
 
 	var vehicle types.Vehicle
 	switch schema.Type {
 	case "file":
+		path := C.Path.Resolve(schema.Path)
 		vehicle = resource.NewFileVehicle(path)
 	case "http":
-		vehicle = resource.NewHTTPVehicle(schema.URL, path)
+		if schema.Path != "" {
+			path := C.Path.Resolve(schema.Path)
+			if !C.Path.IsSafePath(path) {
+				return nil, fmt.Errorf("%w: %s", errSubPath, path)
+			}
+			vehicle = resource.NewHTTPVehicle(schema.URL, path)
+		} else {
+			path := C.Path.GetPathByHash("proxies", schema.URL)
+			vehicle = resource.NewHTTPVehicle(schema.URL, path)
+		}
 	default:
 		return nil, fmt.Errorf("%w: %s", errVehicleType, schema.Type)
 	}

adapter/provider/provider.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/Dreamacro/clash/adapter"
 	"github.com/Dreamacro/clash/common/convert"
+	"github.com/Dreamacro/clash/common/utils"
 	clashHttp "github.com/Dreamacro/clash/component/http"
 	"github.com/Dreamacro/clash/component/resource"
 	C "github.com/Dreamacro/clash/constant"
@@ -50,6 +51,7 @@ func (pp *proxySetProvider) MarshalJSON() ([]byte, error) {
 		"type":             pp.Type().String(),
 		"vehicleType":      pp.VehicleType().String(),
 		"proxies":          pp.Proxies(),
+		"testUrl":          pp.healthCheck.url,
 		"updatedAt":        pp.UpdatedAt,
 		"subscriptionInfo": pp.subscriptionInfo,
 	})
@@ -98,6 +100,10 @@ func (pp *proxySetProvider) Touch() {
 	pp.healthCheck.touch()
 }
 
+func (pp *proxySetProvider) RegisterHealthCheckTask(url string, expectedStatus utils.IntRanges[uint16], filter string, interval uint) {
+	pp.healthCheck.registerHealthCheckTask(url, expectedStatus, filter, interval)
+}
+
 func (pp *proxySetProvider) setProxies(proxies []C.Proxy) {
 	pp.proxies = proxies
 	pp.healthCheck.setProxy(proxies)
@@ -141,15 +147,15 @@ func (pp *proxySetProvider) getSubscriptionInfo() {
 }
 
 func (pp *proxySetProvider) closeAllConnections() {
-	snapshot := statistic.DefaultManager.Snapshot()
-	for _, c := range snapshot.Connections {
+	statistic.DefaultManager.Range(func(c statistic.Tracker) bool {
 		for _, chain := range c.Chains() {
 			if chain == pp.Name() {
 				_ = c.Close()
 				break
 			}
 		}
-	}
+		return true
+	})
 }
 
 func stopProxyProvider(pd *ProxySetProvider) {
@@ -210,6 +216,7 @@ func (cp *compatibleProvider) MarshalJSON() ([]byte, error) {
 		"type":        cp.Type().String(),
 		"vehicleType": cp.VehicleType().String(),
 		"proxies":     cp.Proxies(),
+		"testUrl":     cp.healthCheck.url,
 	})
 }
 
@@ -249,6 +256,10 @@ func (cp *compatibleProvider) Touch() {
 	cp.healthCheck.touch()
 }
 
+func (cp *compatibleProvider) RegisterHealthCheckTask(url string, expectedStatus utils.IntRanges[uint16], filter string, interval uint) {
+	cp.healthCheck.registerHealthCheckTask(url, expectedStatus, filter, interval)
+}
+
 func stopCompatibleProvider(pd *CompatibleProvider) {
 	pd.healthCheck.close()
 }
@@ -288,7 +299,7 @@ func proxiesParseAndFilter(filter string, excludeFilter string, excludeTypeArray
 		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)
+				return nil, fmt.Errorf("%w, %w", err, err1)
 			}
 			schema.Proxies = proxies
 		}

common/buf/sing.go

@@ -11,18 +11,9 @@ type Buffer = buf.Buffer
 
 var New = buf.New
 var NewSize = buf.NewSize
-var StackNew = buf.StackNew
-var StackNewSize = buf.StackNewSize
 var With = buf.With
 var As = buf.As
 
-var KeepAlive = common.KeepAlive
-
-//go:norace
-func Dup[T any](obj T) T {
-	return common.Dup(obj)
-}
-
 var (
 	Must  = common.Must
 	Error = common.Error

common/cache/lrucache.go

@@ -7,6 +7,8 @@ import (
 	"time"
 
 	"github.com/Dreamacro/clash/common/generics/list"
+
+	"github.com/samber/lo"
 )
 
 // Option is part of Functional Options Pattern
@@ -82,9 +84,27 @@ func New[K comparable, V any](options ...Option[K, V]) *LruCache[K, V] {
 // Get returns the any representation of a cached response and a bool
 // set to true if the key was found.
 func (c *LruCache[K, V]) Get(key K) (V, bool) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
 	el := c.get(key)
 	if el == nil {
-		return getZero[V](), false
+		return lo.Empty[V](), false
+	}
+	value := el.value
+
+	return value, true
+}
+
+func (c *LruCache[K, V]) GetOrStore(key K, constructor func() V) (V, bool) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	el := c.get(key)
+	if el == nil {
+		value := constructor()
+		c.set(key, value)
+		return value, false
 	}
 	value := el.value
 
@@ -96,9 +116,12 @@ func (c *LruCache[K, V]) Get(key K) (V, bool) {
 // and a bool set to true if the key was found.
 // This method will NOT check the maxAge of element and will NOT update the expires.
 func (c *LruCache[K, V]) GetWithExpire(key K) (V, time.Time, bool) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
 	el := c.get(key)
 	if el == nil {
-		return getZero[V](), time.Time{}, false
+		return lo.Empty[V](), time.Time{}, false
 	}
 
 	return el.value, time.Unix(el.expires, 0), true
@@ -115,11 +138,18 @@ func (c *LruCache[K, V]) Exist(key K) bool {
 
 // Set stores the any representation of a response for a given key.
 func (c *LruCache[K, V]) Set(key K, value V) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	c.set(key, value)
+}
+
+func (c *LruCache[K, V]) set(key K, value V) {
 	expires := int64(0)
 	if c.maxAge > 0 {
 		expires = time.Now().Unix() + c.maxAge
 	}
-	c.SetWithExpire(key, value, time.Unix(expires, 0))
+	c.setWithExpire(key, value, time.Unix(expires, 0))
 }
 
 // SetWithExpire stores the any representation of a response for a given key and given expires.
@@ -128,6 +158,10 @@ func (c *LruCache[K, V]) SetWithExpire(key K, value V, expires time.Time) {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
+	c.setWithExpire(key, value, expires)
+}
+
+func (c *LruCache[K, V]) setWithExpire(key K, value V, expires time.Time) {
 	if le, ok := c.cache[key]; ok {
 		c.lru.MoveToBack(le)
 		e := le.Value
@@ -165,9 +199,6 @@ func (c *LruCache[K, V]) CloneTo(n *LruCache[K, V]) {
 }
 
 func (c *LruCache[K, V]) get(key K) *entry[K, V] {
-	c.mu.Lock()
-	defer c.mu.Unlock()
-
 	le, ok := c.cache[key]
 	if !ok {
 		return nil
@@ -191,12 +222,11 @@ func (c *LruCache[K, V]) get(key K) *entry[K, V] {
 // Delete removes the value associated with a key.
 func (c *LruCache[K, V]) Delete(key K) {
 	c.mu.Lock()
+	defer c.mu.Unlock()
 
 	if le, ok := c.cache[key]; ok {
 		c.deleteElement(le)
 	}
-
-	c.mu.Unlock()
 }
 
 func (c *LruCache[K, V]) maybeDeleteOldest() {
@@ -219,10 +249,10 @@ func (c *LruCache[K, V]) deleteElement(le *list.Element[*entry[K, V]]) {
 
 func (c *LruCache[K, V]) Clear() error {
 	c.mu.Lock()
+	defer c.mu.Unlock()
 
 	c.cache = make(map[K]*list.Element[*entry[K, V]])
 
-	c.mu.Unlock()
 	return nil
 }
 
@@ -231,8 +261,3 @@ type entry[K comparable, V any] struct {
 	value   V
 	expires int64
 }
-
-func getZero[T any]() T {
-	var result T
-	return result
-}

common/cmd/cmd_test.go

@@ -21,7 +21,7 @@ func TestSplitArgs(t *testing.T) {
 
 func TestExecCmd(t *testing.T) {
 	if runtime.GOOS == "windows" {
-		_, err := ExecCmd("dir")
+		_, err := ExecCmd("cmd -c 'dir'")
 		assert.Nil(t, err)
 		return
 	}

common/convert/converter.go

@@ -50,7 +50,9 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 			hysteria["port"] = urlHysteria.Port()
 			hysteria["sni"] = query.Get("peer")
 			hysteria["obfs"] = query.Get("obfs")
-			hysteria["alpn"] = []string{query.Get("alpn")}
+			if alpn := query.Get("alpn"); alpn != "" {
+				hysteria["alpn"] = strings.Split(alpn, ",")
+			}
 			hysteria["auth_str"] = query.Get("auth")
 			hysteria["protocol"] = query.Get("protocol")
 			up := query.Get("up")
@@ -66,6 +68,79 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 			hysteria["skip-cert-verify"], _ = strconv.ParseBool(query.Get("insecure"))
 
 			proxies = append(proxies, hysteria)
+		case "hysteria2":
+			urlHysteria2, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			query := urlHysteria2.Query()
+			name := uniqueName(names, urlHysteria2.Fragment)
+			hysteria2 := make(map[string]any, 20)
+
+			hysteria2["name"] = name
+			hysteria2["type"] = scheme
+			hysteria2["server"] = urlHysteria2.Hostname()
+			if port := urlHysteria2.Port(); port != "" {
+				hysteria2["port"] = port
+			} else {
+				hysteria2["port"] = "443"
+			}
+			hysteria2["obfs"] = query.Get("obfs")
+			hysteria2["obfs-password"] = query.Get("obfs-password")
+			hysteria2["sni"] = query.Get("sni")
+			hysteria2["skip-cert-verify"], _ = strconv.ParseBool(query.Get("insecure"))
+			if alpn := query.Get("alpn"); alpn != "" {
+				hysteria2["alpn"] = strings.Split(alpn, ",")
+			}
+			if auth := urlHysteria2.User.String(); auth != "" {
+				hysteria2["password"] = auth
+			}
+			hysteria2["fingerprint"] = query.Get("pinSHA256")
+			hysteria2["down"] = query.Get("down")
+			hysteria2["up"] = query.Get("up")
+
+			proxies = append(proxies, hysteria2)
+		case "tuic":
+			// A temporary unofficial TUIC share link standard
+			// Modified from https://github.com/daeuniverse/dae/discussions/182
+			// Changes:
+			//   1. Support TUICv4, just replace uuid:password with token
+			//   2. Remove `allow_insecure` field
+			urlTUIC, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+			query := urlTUIC.Query()
+
+			tuic := make(map[string]any, 20)
+			tuic["name"] = uniqueName(names, urlTUIC.Fragment)
+			tuic["type"] = scheme
+			tuic["server"] = urlTUIC.Hostname()
+			tuic["port"] = urlTUIC.Port()
+			tuic["udp"] = true
+			password, v5 := urlTUIC.User.Password()
+			if v5 {
+				tuic["uuid"] = urlTUIC.User.Username()
+				tuic["password"] = password
+			} else {
+				tuic["token"] = urlTUIC.User.Username()
+			}
+			if cc := query.Get("congestion_control"); cc != "" {
+				tuic["congestion-controller"] = cc
+			}
+			if alpn := query.Get("alpn"); alpn != "" {
+				tuic["alpn"] = strings.Split(alpn, ",")
+			}
+			if sni := query.Get("sni"); sni != "" {
+				tuic["sni"] = sni
+			}
+			if query.Get("disable_sni") == "1" {
+				tuic["disable-sni"] = true
+			}
+			if udpRelayMode := query.Get("udp_relay_mode"); udpRelayMode != "" {
+				tuic["udp-relay-mode"] = udpRelayMode
+			}
 
 		case "trojan":
 			urlTrojan, err := url.Parse(line)
@@ -86,10 +161,12 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 			trojan["udp"] = true
 			trojan["skip-cert-verify"], _ = strconv.ParseBool(query.Get("allowInsecure"))
 
-			sni := query.Get("sni")
-			if sni != "" {
+			if sni := query.Get("sni"); sni != "" {
 				trojan["sni"] = sni
 			}
+			if alpn := query.Get("alpn"); alpn != "" {
+				trojan["alpn"] = strings.Split(alpn, ",")
+			}
 
 			network := strings.ToLower(query.Get("type"))
 			if network != "" {
@@ -217,6 +294,9 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 				if strings.HasSuffix(tls, "tls") {
 					vmess["tls"] = true
 				}
+				if alpn, ok := values["alpn"].(string); ok {
+					vmess["alpn"] = strings.Split(alpn, ",")
+				}
 			}
 
 			switch network {
@@ -332,6 +412,7 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 				}
 			}
 			proxies = append(proxies, ss)
+
 		case "ssr":
 			dcBuf, err := encRaw.DecodeString(body)
 			if err != nil {

common/convert/converter_test.go

@@ -0,0 +1,35 @@
+package convert
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// https://v2.hysteria.network/zh/docs/developers/URI-Scheme/
+func TestConvertsV2Ray_normal(t *testing.T) {
+	hy2test := "hysteria2://letmein@example.com:8443/?insecure=1&obfs=salamander&obfs-password=gawrgura&pinSHA256=deadbeef&sni=real.example.com&up=114&down=514&alpn=h3,h4#hy2test"
+
+	expected := []map[string]interface{}{
+		{
+			"name":             "hy2test",
+			"type":             "hysteria2",
+			"server":           "example.com",
+			"port":             "8443",
+			"sni":              "real.example.com",
+			"obfs":             "salamander",
+			"obfs-password":    "gawrgura",
+			"alpn":             []string{"h3", "h4"},
+			"password":         "letmein",
+			"up":               "114",
+			"down":             "514",
+			"skip-cert-verify": true,
+			"fingerprint":      "deadbeef",
+		},
+	}
+
+	proxies, err := ConvertsV2Ray([]byte(hy2test))
+
+	assert.Nil(t, err)
+	assert.Equal(t, expected, proxies)
+}

common/convert/v.go

@@ -24,8 +24,6 @@ func handleVShareLink(names map[string]int, url *url.URL, scheme string, proxy m
 	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") || tls == "reality" {
 		proxy["tls"] = true
@@ -34,6 +32,9 @@ func handleVShareLink(names map[string]int, url *url.URL, scheme string, proxy m
 		} else {
 			proxy["client-fingerprint"] = fingerprint
 		}
+		if alpn := query.Get("alpn"); alpn != "" {
+			proxy["alpn"] = strings.Split(alpn, ",")
+		}
 	}
 	if sni := query.Get("sni"); sni != "" {
 		proxy["servername"] = sni

common/net/tcpip.go

@@ -4,8 +4,11 @@ import (
 	"fmt"
 	"net"
 	"strings"
+	"time"
 )
 
+var KeepAliveInterval = 15 * time.Second
+
 func SplitNetworkType(s string) (string, string, error) {
 	var (
 		shecme   string
@@ -44,3 +47,10 @@ func SplitHostPort(s string) (host, port string, hasPort bool, err error) {
 	host, port, err = net.SplitHostPort(temp)
 	return
 }
+
+func TCPKeepAlive(c net.Conn) {
+	if tcp, ok := c.(*net.TCPConn); ok {
+		_ = tcp.SetKeepAlive(true)
+		_ = tcp.SetKeepAlivePeriod(KeepAliveInterval)
+	}
+}

common/picker/picker.go

@@ -47,6 +47,7 @@ func (p *Picker[T]) Wait() T {
 	p.wg.Wait()
 	if p.cancel != nil {
 		p.cancel()
+		p.cancel = nil
 	}
 	return p.result
 }
@@ -69,6 +70,7 @@ func (p *Picker[T]) Go(f func() (T, error)) {
 				p.result = ret
 				if p.cancel != nil {
 					p.cancel()
+					p.cancel = nil
 				}
 			})
 		} else {
@@ -78,3 +80,13 @@ func (p *Picker[T]) Go(f func() (T, error)) {
 		}
 	}()
 }
+
+// Close cancels the picker context and releases resources associated with it.
+// If Wait has been called, then there is no need to call Close.
+func (p *Picker[T]) Close() error {
+	if p.cancel != nil {
+		p.cancel()
+		p.cancel = nil
+	}
+	return nil
+}

common/picker/picker_test.go

@@ -5,6 +5,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/samber/lo"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -15,7 +16,7 @@ func sleepAndSend[T any](ctx context.Context, delay int, input T) func() (T, err
 		case <-timer.C:
 			return input, nil
 		case <-ctx.Done():
-			return getZero[T](), ctx.Err()
+			return lo.Empty[T](), ctx.Err()
 		}
 	}
 }
@@ -35,11 +36,6 @@ func TestPicker_Timeout(t *testing.T) {
 	picker.Go(sleepAndSend(ctx, 20, 1))
 
 	number := picker.Wait()
-	assert.Equal(t, number, getZero[int]())
+	assert.Equal(t, number, lo.Empty[int]())
 	assert.NotNil(t, picker.Error())
 }
-
-func getZero[T any]() T {
-	var result T
-	return result
-}

common/pool/alloc.go

@@ -32,23 +32,32 @@ func NewAllocator() *Allocator {
 
 // Get a []byte from pool with most appropriate cap
 func (alloc *Allocator) Get(size int) []byte {
-	if size <= 0 || size > 65536 {
+	switch {
+	case size < 0:
+		panic("alloc.Get: len out of range")
+	case size == 0:
 		return nil
-	}
+	case size > 65536:
+		return make([]byte, size)
+	default:
+		bits := msb(size)
+		if size == 1<<bits {
+			return alloc.buffers[bits].Get().([]byte)[:size]
+		}
 
-	bits := msb(size)
-	if size == 1<<bits {
-		return alloc.buffers[bits].Get().([]byte)[:size]
+		return alloc.buffers[bits+1].Get().([]byte)[:size]
 	}
-
-	return alloc.buffers[bits+1].Get().([]byte)[:size]
 }
 
 // Put returns a []byte to pool for future use,
 // which the cap must be exactly 2^n
 func (alloc *Allocator) Put(buf []byte) error {
+	if cap(buf) == 0 || cap(buf) > 65536 {
+		return nil
+	}
+	
 	bits := msb(cap(buf))
-	if cap(buf) == 0 || cap(buf) > 65536 || cap(buf) != 1<<bits {
+	if cap(buf) != 1<<bits {
 		return errors.New("allocator Put() incorrect buffer size")
 	}
 

common/pool/alloc_test.go

@@ -19,17 +19,17 @@ func TestAllocGet(t *testing.T) {
 	assert.Equal(t, 1024, cap(alloc.Get(1023)))
 	assert.Equal(t, 1024, len(alloc.Get(1024)))
 	assert.Equal(t, 65536, len(alloc.Get(65536)))
-	assert.Nil(t, alloc.Get(65537))
+	assert.Equal(t, 65537, len(alloc.Get(65537)))
 }
 
 func TestAllocPut(t *testing.T) {
 	alloc := NewAllocator()
-	assert.NotNil(t, alloc.Put(nil), "put nil misbehavior")
+	assert.Nil(t, alloc.Put(nil), "put nil misbehavior")
 	assert.NotNil(t, alloc.Put(make([]byte, 3)), "put elem:3 []bytes misbehavior")
 	assert.Nil(t, alloc.Put(make([]byte, 4)), "put elem:4 []bytes misbehavior")
 	assert.Nil(t, alloc.Put(make([]byte, 1023, 1024)), "put elem:1024 []bytes misbehavior")
 	assert.Nil(t, alloc.Put(make([]byte, 65536)), "put elem:65536 []bytes misbehavior")
-	assert.NotNil(t, alloc.Put(make([]byte, 65537)), "put elem:65537 []bytes misbehavior")
+	assert.Nil(t, alloc.Put(make([]byte, 65537)), "put elem:65537 []bytes misbehavior")
 }
 
 func TestAllocPutThenGet(t *testing.T) {

common/queue/queue.go

@@ -2,6 +2,8 @@ package queue
 
 import (
 	"sync"
+
+	"github.com/samber/lo"
 )
 
 // Queue is a simple concurrent safe queue
@@ -24,7 +26,7 @@ func (q *Queue[T]) Put(items ...T) {
 // Pop returns the head of items.
 func (q *Queue[T]) Pop() T {
 	if len(q.items) == 0 {
-		return GetZero[T]()
+		return lo.Empty[T]()
 	}
 
 	q.lock.Lock()
@@ -37,7 +39,7 @@ func (q *Queue[T]) Pop() T {
 // Last returns the last of item.
 func (q *Queue[T]) Last() T {
 	if len(q.items) == 0 {
-		return GetZero[T]()
+		return lo.Empty[T]()
 	}
 
 	q.lock.RLock()
@@ -69,8 +71,3 @@ func New[T any](hint int64) *Queue[T] {
 		items: make([]T, 0, hint),
 	}
 }
-
-func GetZero[T any]() T {
-	var result T
-	return result
-}

common/structure/structure.go

@@ -96,6 +96,11 @@ func (d *Decoder) decode(name string, data any, val reflect.Value) error {
 		return d.decodeFloat(name, data, val)
 	}
 	switch kind {
+	case reflect.Pointer:
+		if val.IsNil() {
+			val.Set(reflect.New(val.Type().Elem()))
+		}
+		return d.decode(name, data, val.Elem())
 	case reflect.String:
 		return d.decodeString(name, data, val)
 	case reflect.Bool:
@@ -282,6 +287,9 @@ func (d *Decoder) decodeSlice(name string, data any, val reflect.Value) error {
 	}
 
 	valSlice := val
+	// make a new slice with cap(val)==cap(dataVal)
+	// the caller can determine whether the original configuration contains this item by judging whether the value is nil.
+	valSlice = reflect.MakeSlice(valType, 0, dataVal.Len())
 	for i := 0; i < dataVal.Len(); i++ {
 		currentData := dataVal.Index(i).Interface()
 		for valSlice.Len() <= i {

common/utils/global_id.go

@@ -0,0 +1,17 @@
+package utils
+
+import (
+	"hash/maphash"
+	"unsafe"
+)
+
+var globalSeed = maphash.MakeSeed()
+
+func GlobalID(material string) (id [8]byte) {
+	*(*uint64)(unsafe.Pointer(&id[0])) = maphash.String(globalSeed, material)
+	return
+}
+
+func MapHash(material string) uint64 {
+	return maphash.String(globalSeed, material)
+}

common/utils/range.go

@@ -9,36 +9,36 @@ type Range[T constraints.Ordered] struct {
 	end   T
 }
 
-func NewRange[T constraints.Ordered](start, end T) *Range[T] {
+func NewRange[T constraints.Ordered](start, end T) Range[T] {
 	if start > end {
-		return &Range[T]{
+		return Range[T]{
 			start: end,
 			end:   start,
 		}
 	}
 
-	return &Range[T]{
+	return Range[T]{
 		start: start,
 		end:   end,
 	}
 }
 
-func (r *Range[T]) Contains(t T) bool {
+func (r Range[T]) Contains(t T) bool {
 	return t >= r.start && t <= r.end
 }
 
-func (r *Range[T]) LeftContains(t T) bool {
+func (r Range[T]) LeftContains(t T) bool {
 	return t >= r.start && t < r.end
 }
 
-func (r *Range[T]) RightContains(t T) bool {
+func (r Range[T]) RightContains(t T) bool {
 	return t > r.start && t <= r.end
 }
 
-func (r *Range[T]) Start() T {
+func (r Range[T]) Start() T {
 	return r.start
 }
 
-func (r *Range[T]) End() T {
+func (r Range[T]) End() T {
 	return r.end
 }

common/utils/ranges.go

@@ -0,0 +1,77 @@
+package utils
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+
+	"golang.org/x/exp/constraints"
+)
+
+type IntRanges[T constraints.Integer] []Range[T]
+
+var errIntRanges = errors.New("intRanges error")
+
+func NewIntRanges[T constraints.Integer](expected string) (IntRanges[T], error) {
+	// example: 200 or 200/302 or 200-400 or 200/204/401-429/501-503
+	expected = strings.TrimSpace(expected)
+	if len(expected) == 0 || expected == "*" {
+		return nil, nil
+	}
+
+	list := strings.Split(expected, "/")
+	if len(list) > 28 {
+		return nil, fmt.Errorf("%w, too many ranges to use, maximum support 28 ranges", errIntRanges)
+	}
+
+	return NewIntRangesFromList[T](list)
+}
+
+func NewIntRangesFromList[T constraints.Integer](list []string) (IntRanges[T], error) {
+	var ranges IntRanges[T]
+	for _, s := range list {
+		if s == "" {
+			continue
+		}
+
+		status := strings.Split(s, "-")
+		statusLen := len(status)
+		if statusLen > 2 {
+			return nil, errIntRanges
+		}
+
+		start, err := strconv.ParseInt(strings.Trim(status[0], "[ ]"), 10, 64)
+		if err != nil {
+			return nil, errIntRanges
+		}
+
+		switch statusLen {
+		case 1:
+			ranges = append(ranges, NewRange(T(start), T(start)))
+		case 2:
+			end, err := strconv.ParseUint(strings.Trim(status[1], "[ ]"), 10, 64)
+			if err != nil {
+				return nil, errIntRanges
+			}
+
+			ranges = append(ranges, NewRange(T(start), T(end)))
+		}
+	}
+
+	return ranges, nil
+}
+
+func (ranges IntRanges[T]) Check(status T) bool {
+	if len(ranges) == 0 {
+		return true
+	}
+
+	for _, segment := range ranges {
+		if segment.Contains(status) {
+			return true
+		}
+	}
+
+	return false
+}

common/utils/string_unsafe.go

@@ -0,0 +1,21 @@
+package utils
+
+import "unsafe"
+
+// ImmutableBytesFromString is equivalent to []byte(s), except that it uses the
+// same memory backing s instead of making a heap-allocated copy. This is only
+// valid if the returned slice is never mutated.
+func ImmutableBytesFromString(s string) []byte {
+	b := unsafe.StringData(s)
+	return unsafe.Slice(b, len(s))
+}
+
+// StringFromImmutableBytes is equivalent to string(bs), except that it uses
+// the same memory backing bs instead of making a heap-allocated copy. This is
+// only valid if bs is never mutated after StringFromImmutableBytes returns.
+func StringFromImmutableBytes(bs []byte) string {
+	if len(bs) == 0 {
+		return ""
+	}
+	return unsafe.String(&bs[0], len(bs))
+}

component/auth/auth.go

@@ -1,7 +1,7 @@
 package auth
 
 import (
-	"sync"
+	"github.com/puzpuzpuz/xsync/v2"
 )
 
 type Authenticator interface {
@@ -15,7 +15,7 @@ type AuthUser struct {
 }
 
 type inMemoryAuthenticator struct {
-	storage   *sync.Map
+	storage   *xsync.MapOf[string, string]
 	usernames []string
 }
 
@@ -31,13 +31,13 @@ func NewAuthenticator(users []AuthUser) Authenticator {
 		return nil
 	}
 
-	au := &inMemoryAuthenticator{storage: &sync.Map{}}
+	au := &inMemoryAuthenticator{storage: xsync.NewMapOf[string]()}
 	for _, user := range users {
 		au.storage.Store(user.User, user.Pass)
 	}
 	usernames := make([]string, 0, len(users))
-	au.storage.Range(func(key, value any) bool {
-		usernames = append(usernames, key.(string))
+	au.storage.Range(func(key string, value string) bool {
+		usernames = append(usernames, key)
 		return true
 	})
 	au.usernames = usernames

component/ca/config.go

@@ -1,4 +1,4 @@
-package tls
+package ca
 
 import (
 	"bytes"
@@ -8,16 +8,15 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
+	"os"
 	"strings"
 	"sync"
-
-	xtls "github.com/xtls/go"
 )
 
 var trustCerts []*x509.Certificate
-var certPool *x509.CertPool
+var globalCertPool *x509.CertPool
 var mutex sync.RWMutex
-var errNotMacth error = errors.New("certificate fingerprints do not match")
+var errNotMatch = errors.New("certificate fingerprints do not match")
 
 func AddCertificate(certificate string) error {
 	mutex.Lock()
@@ -35,12 +34,12 @@ func AddCertificate(certificate string) error {
 
 func initializeCertPool() {
 	var err error
-	certPool, err = x509.SystemCertPool()
+	globalCertPool, err = x509.SystemCertPool()
 	if err != nil {
-		certPool = x509.NewCertPool()
+		globalCertPool = x509.NewCertPool()
 	}
 	for _, cert := range trustCerts {
-		certPool.AddCert(cert)
+		globalCertPool.AddCert(cert)
 	}
 }
 
@@ -55,15 +54,15 @@ func getCertPool() *x509.CertPool {
 	if len(trustCerts) == 0 {
 		return nil
 	}
-	if certPool == nil {
+	if globalCertPool == nil {
 		mutex.Lock()
 		defer mutex.Unlock()
-		if certPool != nil {
-			return certPool
+		if globalCertPool != nil {
+			return globalCertPool
 		}
 		initializeCertPool()
 	}
-	return certPool
+	return globalCertPool
 }
 
 func verifyFingerprint(fingerprint *[32]byte) func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
@@ -79,7 +78,7 @@ func verifyFingerprint(fingerprint *[32]byte) func(rawCerts [][]byte, verifiedCh
 				}
 			}
 		}
-		return errNotMacth
+		return errNotMatch
 	}
 }
 
@@ -96,53 +95,49 @@ func convertFingerprint(fingerprint string) (*[32]byte, error) {
 	return (*[32]byte)(fpByte), nil
 }
 
-func GetDefaultTLSConfig() *tls.Config {
-	return GetGlobalTLSConfig(nil)
+// GetTLSConfig specified fingerprint, customCA and customCAString
+func GetTLSConfig(tlsConfig *tls.Config, fingerprint string, customCA string, customCAString string) (*tls.Config, error) {
+	if tlsConfig == nil {
+		tlsConfig = &tls.Config{}
+	}
+	var certificate []byte
+	var err error
+	if len(customCA) > 0 {
+		certificate, err = os.ReadFile(customCA)
+		if err != nil {
+			return nil, fmt.Errorf("load ca error: %w", err)
+		}
+	} else if customCAString != "" {
+		certificate = []byte(customCAString)
+	}
+	if len(certificate) > 0 {
+		certPool := x509.NewCertPool()
+		if !certPool.AppendCertsFromPEM(certificate) {
+			return nil, fmt.Errorf("failed to parse certificate:\n\n %s", certificate)
+		}
+		tlsConfig.RootCAs = certPool
+	} else {
+		tlsConfig.RootCAs = getCertPool()
+	}
+	if len(fingerprint) > 0 {
+		var fingerprintBytes *[32]byte
+		fingerprintBytes, err = convertFingerprint(fingerprint)
+		if err != nil {
+			return nil, err
+		}
+		tlsConfig = GetGlobalTLSConfig(tlsConfig)
+		tlsConfig.VerifyPeerCertificate = verifyFingerprint(fingerprintBytes)
+		tlsConfig.InsecureSkipVerify = true
+	}
+	return tlsConfig, 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 {
-		tlsConfig = GetGlobalTLSConfig(tlsConfig)
-		tlsConfig.VerifyPeerCertificate = verifyFingerprint(fingerprintBytes)
-		tlsConfig.InsecureSkipVerify = true
-		return tlsConfig, nil
-	}
+	return GetTLSConfig(tlsConfig, fingerprint, "", "")
 }
 
 func GetGlobalTLSConfig(tlsConfig *tls.Config) *tls.Config {
-	certPool := getCertPool()
-	if tlsConfig == nil {
-		return &tls.Config{
-			RootCAs: certPool,
-		}
-	}
-	tlsConfig.RootCAs = certPool
-	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 {
-		tlsConfig = GetGlobalXTLSConfig(tlsConfig)
-		tlsConfig.VerifyPeerCertificate = verifyFingerprint(fingerprintBytes)
-		tlsConfig.InsecureSkipVerify = true
-		return tlsConfig, nil
-	}
-}
-
-func GetGlobalXTLSConfig(tlsConfig *xtls.Config) *xtls.Config {
-	certPool := getCertPool()
-	if tlsConfig == nil {
-		return &xtls.Config{
-			RootCAs: certPool,
-		}
-	}
-
-	tlsConfig.RootCAs = certPool
+	tlsConfig, _ = GetTLSConfig(tlsConfig, "", "", "")
 	return tlsConfig
 }

component/dialer/bind.go

@@ -0,0 +1,51 @@
+package dialer
+
+import (
+	"net"
+	"net/netip"
+	"strings"
+
+	"github.com/Dreamacro/clash/component/iface"
+)
+
+func LookupLocalAddrFromIfaceName(ifaceName string, network string, destination netip.Addr, port int) (net.Addr, error) {
+	ifaceObj, err := iface.ResolveInterface(ifaceName)
+	if err != nil {
+		return nil, err
+	}
+
+	var addr *netip.Prefix
+	switch network {
+	case "udp4", "tcp4":
+		addr, err = ifaceObj.PickIPv4Addr(destination)
+	case "tcp6", "udp6":
+		addr, err = ifaceObj.PickIPv6Addr(destination)
+	default:
+		if destination.IsValid() {
+			if destination.Is4() || destination.Is4In6() {
+				addr, err = ifaceObj.PickIPv4Addr(destination)
+			} else {
+				addr, err = ifaceObj.PickIPv6Addr(destination)
+			}
+		} else {
+			addr, err = ifaceObj.PickIPv4Addr(destination)
+		}
+	}
+	if err != nil {
+		return nil, err
+	}
+
+	if strings.HasPrefix(network, "tcp") {
+		return &net.TCPAddr{
+			IP:   addr.Addr().AsSlice(),
+			Port: port,
+		}, nil
+	} else if strings.HasPrefix(network, "udp") {
+		return &net.UDPAddr{
+			IP:   addr.Addr().AsSlice(),
+			Port: port,
+		}, nil
+	}
+
+	return nil, iface.ErrAddrNotFound
+}

component/dialer/bind_others.go

@@ -7,52 +7,8 @@ import (
 	"net/netip"
 	"strconv"
 	"strings"
-
-	"github.com/Dreamacro/clash/component/iface"
 )
 
-func lookupLocalAddr(ifaceName string, network string, destination netip.Addr, port int) (net.Addr, error) {
-	ifaceObj, err := iface.ResolveInterface(ifaceName)
-	if err != nil {
-		return nil, err
-	}
-
-	var addr *netip.Prefix
-	switch network {
-	case "udp4", "tcp4":
-		addr, err = ifaceObj.PickIPv4Addr(destination)
-	case "tcp6", "udp6":
-		addr, err = ifaceObj.PickIPv6Addr(destination)
-	default:
-		if destination.IsValid() {
-			if destination.Is4() {
-				addr, err = ifaceObj.PickIPv4Addr(destination)
-			} else {
-				addr, err = ifaceObj.PickIPv6Addr(destination)
-			}
-		} else {
-			addr, err = ifaceObj.PickIPv4Addr(destination)
-		}
-	}
-	if err != nil {
-		return nil, err
-	}
-
-	if strings.HasPrefix(network, "tcp") {
-		return &net.TCPAddr{
-			IP:   addr.Addr().AsSlice(),
-			Port: port,
-		}, nil
-	} else if strings.HasPrefix(network, "udp") {
-		return &net.UDPAddr{
-			IP:   addr.Addr().AsSlice(),
-			Port: port,
-		}, nil
-	}
-
-	return nil, iface.ErrAddrNotFound
-}
-
 func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, network string, destination netip.Addr) error {
 	if !destination.IsGlobalUnicast() {
 		return nil
@@ -66,7 +22,7 @@ func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, network string, des
 		}
 	}
 
-	addr, err := lookupLocalAddr(ifaceName, network, destination, int(local))
+	addr, err := LookupLocalAddrFromIfaceName(ifaceName, network, destination, int(local))
 	if err != nil {
 		return err
 	}
@@ -84,7 +40,7 @@ func bindIfaceToListenConfig(ifaceName string, _ *net.ListenConfig, network, add
 
 	local, _ := strconv.ParseUint(port, 10, 16)
 
-	addr, err := lookupLocalAddr(ifaceName, network, netip.Addr{}, int(local))
+	addr, err := LookupLocalAddrFromIfaceName(ifaceName, network, netip.Addr{}, int(local))
 	if err != nil {
 		return "", err
 	}

component/dialer/control.go

@@ -20,3 +20,20 @@ func addControlToListenConfig(lc *net.ListenConfig, fn controlFn) {
 		return fn(context.Background(), network, address, c)
 	}
 }
+
+func addControlToDialer(d *net.Dialer, fn controlFn) {
+	ld := *d
+	d.ControlContext = func(ctx context.Context, network, address string, c syscall.RawConn) (err error) {
+		switch {
+		case ld.ControlContext != nil:
+			if err = ld.ControlContext(ctx, network, address, c); err != nil {
+				return
+			}
+		case ld.Control != nil:
+			if err = ld.Control(network, address, c); err != nil {
+				return
+			}
+		}
+		return fn(ctx, network, address, c)
+	}
+}

component/dialer/control_go119.go

@@ -1,22 +0,0 @@
-//go:build !go1.20
-
-package dialer
-
-import (
-	"context"
-	"net"
-	"syscall"
-)
-
-func addControlToDialer(d *net.Dialer, fn controlFn) {
-	ld := *d
-	d.Control = func(network, address string, c syscall.RawConn) (err error) {
-		switch {
-		case ld.Control != nil:
-			if err = ld.Control(network, address, c); err != nil {
-				return
-			}
-		}
-		return fn(context.Background(), network, address, c)
-	}
-}

component/dialer/control_go120.go

@@ -1,26 +0,0 @@
-//go:build go1.20
-
-package dialer
-
-import (
-	"context"
-	"net"
-	"syscall"
-)
-
-func addControlToDialer(d *net.Dialer, fn controlFn) {
-	ld := *d
-	d.ControlContext = func(ctx context.Context, network, address string, c syscall.RawConn) (err error) {
-		switch {
-		case ld.ControlContext != nil:
-			if err = ld.ControlContext(ctx, network, address, c); err != nil {
-				return
-			}
-		case ld.Control != nil:
-			if err = ld.Control(network, address, c); err != nil {
-				return
-			}
-		}
-		return fn(ctx, network, address, c)
-	}
-}

component/dialer/dialer.go

@@ -2,6 +2,7 @@ package dialer
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"net"
 	"net/netip"
@@ -131,6 +132,9 @@ func dialContext(ctx context.Context, network string, destination netip.Addr, po
 	if opt.routingMark != 0 {
 		bindMarkToDialer(opt.routingMark, dialer, network, destination)
 	}
+	if opt.mpTcp {
+		setMultiPathTCP(dialer)
+	}
 	if opt.tfo {
 		return dialTFO(ctx, *dialer, network, address)
 	}
@@ -158,14 +162,22 @@ func concurrentDualStackDialContext(ctx context.Context, network string, ips []n
 
 func dualStackDialContext(ctx context.Context, dialFn dialFunc, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
 	ipv4s, ipv6s := resolver.SortationAddr(ips)
-	preferIPVersion := opt.prefer
+	if len(ipv4s) == 0 && len(ipv6s) == 0 {
+		return nil, ErrorNoIpAddress
+	}
 
+	preferIPVersion := opt.prefer
 	fallbackTicker := time.NewTicker(fallbackTimeout)
 	defer fallbackTicker.Stop()
+
 	results := make(chan dialResult)
 	returned := make(chan struct{})
 	defer close(returned)
+
+	var wg sync.WaitGroup
+
 	racer := func(ips []netip.Addr, isPrimary bool) {
+		defer wg.Done()
 		result := dialResult{isPrimary: isPrimary}
 		defer func() {
 			select {
@@ -178,18 +190,36 @@ func dualStackDialContext(ctx context.Context, dialFn dialFunc, network string,
 		}()
 		result.Conn, result.error = dialFn(ctx, network, ips, port, opt)
 	}
-	go racer(ipv4s, preferIPVersion != 6)
-	go racer(ipv6s, preferIPVersion != 4)
+
+	if len(ipv4s) != 0 {
+		wg.Add(1)
+		go racer(ipv4s, preferIPVersion != 6)
+	}
+
+	if len(ipv6s) != 0 {
+		wg.Add(1)
+		go racer(ipv6s, preferIPVersion != 4)
+	}
+
+	go func() {
+		wg.Wait()
+		close(results)
+	}()
+
 	var fallback dialResult
 	var errs []error
-	for i := 0; i < 2; {
+
+loop:
+	for {
 		select {
 		case <-fallbackTicker.C:
 			if fallback.error == nil && fallback.Conn != nil {
 				return fallback.Conn, nil
 			}
-		case res := <-results:
-			i++
+		case res, ok := <-results:
+			if !ok {
+				break loop
+			}
 			if res.error == nil {
 				if res.isPrimary {
 					return res.Conn, nil
@@ -204,10 +234,11 @@ func dualStackDialContext(ctx context.Context, dialFn dialFunc, network string,
 			}
 		}
 	}
+
 	if fallback.error == nil && fallback.Conn != nil {
 		return fallback.Conn, nil
 	}
-	return nil, errorsJoin(errs...)
+	return nil, errors.Join(errs...)
 }
 
 func parallelDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
@@ -244,7 +275,7 @@ func parallelDialContext(ctx context.Context, network string, ips []netip.Addr,
 	}
 
 	if len(errs) > 0 {
-		return nil, errorsJoin(errs...)
+		return nil, errors.Join(errs...)
 	}
 	return nil, os.ErrDeadlineExceeded
 }
@@ -261,7 +292,7 @@ func serialDialContext(ctx context.Context, network string, ips []netip.Addr, po
 			errs = append(errs, err)
 		}
 	}
-	return nil, errorsJoin(errs...)
+	return nil, errors.Join(errs...)
 }
 
 type dialResult struct {

component/dialer/error.go

@@ -2,17 +2,9 @@ package dialer
 
 import (
 	"errors"
-
-	E "github.com/sagernet/sing/common/exceptions"
 )
 
 var (
 	ErrorNoIpAddress           = errors.New("no ip address")
 	ErrorInvalidedNetworkStack = errors.New("invalided network stack")
 )
-
-func errorsJoin(errs ...error) error {
-	// compatibility with golang<1.20
-	// maybe use errors.Join(errs...) is better after we drop the old version's support
-	return E.Errors(errs...)
-}

component/dialer/mptcp_go120.go

@@ -0,0 +1,12 @@
+//go:build !go1.21
+
+package dialer
+
+import (
+	"net"
+)
+
+const multipathTCPAvailable = false
+
+func setMultiPathTCP(dialer *net.Dialer) {
+}

component/dialer/mptcp_go121.go

@@ -0,0 +1,11 @@
+//go:build go1.21
+
+package dialer
+
+import "net"
+
+const multipathTCPAvailable = true
+
+func setMultiPathTCP(dialer *net.Dialer) {
+	dialer.SetMultipathTCP(true)
+}

component/dialer/options.go

@@ -25,6 +25,7 @@ type option struct {
 	network       int
 	prefer        int
 	tfo           bool
+	mpTcp         bool
 	resolver      resolver.Resolver
 	netDialer     NetDialer
 }
@@ -83,6 +84,12 @@ func WithTFO(tfo bool) Option {
 	}
 }
 
+func WithMPTCP(mpTcp bool) Option {
+	return func(opt *option) {
+		opt.mpTcp = mpTcp
+	}
+}
+
 func WithNetDialer(netDialer NetDialer) Option {
 	return func(opt *option) {
 		opt.netDialer = netDialer

component/http/http.go

@@ -2,6 +2,7 @@ package http
 
 import (
 	"context"
+	"crypto/tls"
 	"io"
 	"net"
 	"net/http"
@@ -9,15 +10,13 @@ import (
 	"strings"
 	"time"
 
-	"github.com/Dreamacro/clash/component/tls"
+	"github.com/Dreamacro/clash/component/ca"
+	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/listener/inner"
 )
 
-const (
-	UA = "clash.meta"
-)
-
 func HttpRequest(ctx context.Context, url, method string, header map[string][]string, body io.Reader) (*http.Response, error) {
+	UA := C.UA
 	method = strings.ToUpper(method)
 	urlRes, err := URL.Parse(url)
 	if err != nil {
@@ -60,7 +59,7 @@ func HttpRequest(ctx context.Context, url, method string, header map[string][]st
 				return d.DialContext(ctx, network, address)
 			}
 		},
-		TLSClientConfig: tls.GetDefaultTLSConfig(),
+		TLSClientConfig: ca.GetGlobalTLSConfig(&tls.Config{}),
 	}
 
 	client := http.Client{Transport: transport}

component/iface/iface.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"net"
 	"net/netip"
+	"strings"
 	"time"
 
 	"github.com/Dreamacro/clash/common/singledo"
@@ -37,12 +38,21 @@ func ResolveInterface(name string) (*Interface, error) {
 			if err != nil {
 				continue
 			}
+			// if not available device like Meta, dummy0, docker0, etc.
+			if (iface.Flags&net.FlagMulticast == 0) || (iface.Flags&net.FlagPointToPoint != 0) || (iface.Flags&net.FlagRunning == 0) {
+				continue
+			}
 
 			ipNets := make([]*netip.Prefix, 0, len(addrs))
 			for _, addr := range addrs {
 				ipNet := addr.(*net.IPNet)
 				ip, _ := netip.AddrFromSlice(ipNet.IP)
 
+				//unavailable IPv6 Address
+				if ip.Is6() && strings.HasPrefix(ip.String(), "fe80") {
+					continue
+				}
+
 				ones, bits := ipNet.Mask.Size()
 				if bits == 32 {
 					ip = ip.Unmap()

component/mmdb/mmdb.go

@@ -12,42 +12,68 @@ import (
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
 
-	"github.com/oschwald/geoip2-golang"
+	"github.com/oschwald/maxminddb-golang"
+)
+
+type databaseType = uint8
+
+const (
+	typeMaxmind databaseType = iota
+	typeSing
+	typeMetaV0
 )
 
 var (
-	mmdb *geoip2.Reader
-	once sync.Once
+	reader Reader
+	once   sync.Once
 )
 
 func LoadFromBytes(buffer []byte) {
 	once.Do(func() {
-		var err error
-		mmdb, err = geoip2.FromBytes(buffer)
+		mmdb, err := maxminddb.FromBytes(buffer)
 		if err != nil {
 			log.Fatalln("Can't load mmdb: %s", err.Error())
 		}
+		reader = Reader{Reader: mmdb}
+		switch mmdb.Metadata.DatabaseType {
+		case "sing-geoip":
+			reader.databaseType = typeSing
+		case "Meta-geoip0":
+			reader.databaseType = typeMetaV0
+		default:
+			reader.databaseType = typeMaxmind
+		}
 	})
 }
 
 func Verify() bool {
-	instance, err := geoip2.Open(C.Path.MMDB())
+	instance, err := maxminddb.Open(C.Path.MMDB())
 	if err == nil {
 		instance.Close()
 	}
 	return err == nil
 }
 
-func Instance() *geoip2.Reader {
+func Instance() Reader {
 	once.Do(func() {
-		var err error
-		mmdb, err = geoip2.Open(C.Path.MMDB())
+		mmdbPath := C.Path.MMDB()
+		log.Debugln("Load MMDB file: %s", mmdbPath)
+		mmdb, err := maxminddb.Open(mmdbPath)
 		if err != nil {
-			log.Fatalln("Can't load mmdb: %s", err.Error())
+			log.Fatalln("Can't load MMDB: %s", err.Error())
+		}
+		reader = Reader{Reader: mmdb}
+		switch mmdb.Metadata.DatabaseType {
+		case "sing-geoip":
+			reader.databaseType = typeSing
+		case "Meta-geoip0":
+			reader.databaseType = typeMetaV0
+		default:
+			reader.databaseType = typeMaxmind
 		}
 	})
 
-	return mmdb
+	return reader
 }
 
 func DownloadMMDB(path string) (err error) {

component/mmdb/reader.go

@@ -0,0 +1,56 @@
+package mmdb
+
+import (
+	"fmt"
+	"net"
+
+	"github.com/oschwald/maxminddb-golang"
+	"github.com/sagernet/sing/common"
+)
+
+type geoip2Country struct {
+	Country struct {
+		IsoCode string `maxminddb:"iso_code"`
+	} `maxminddb:"country"`
+}
+
+type Reader struct {
+	*maxminddb.Reader
+	databaseType
+}
+
+func (r Reader) LookupCode(ipAddress net.IP) []string {
+	switch r.databaseType {
+	case typeMaxmind:
+		var country geoip2Country
+		_ = r.Lookup(ipAddress, &country)
+		if country.Country.IsoCode == "" {
+			return []string{}
+		}
+		return []string{country.Country.IsoCode}
+
+	case typeSing:
+		var code string
+		_ = r.Lookup(ipAddress, &code)
+		if code == "" {
+			return []string{}
+		}
+		return []string{code}
+
+	case typeMetaV0:
+		var record any
+		_ = r.Lookup(ipAddress, &record)
+		switch record := record.(type) {
+		case string:
+			return []string{record}
+		case []any: // lookup returned type of slice is []any
+			return common.Map(record, func(it any) string {
+				return it.(string)
+			})
+		}
+		return []string{}
+
+	default:
+		panic(fmt.Sprint("unknown geoip database type:", r.databaseType))
+	}
+}

component/nat/proxy.go

@@ -0,0 +1,26 @@
+package nat
+
+import (
+	"net"
+
+	"github.com/Dreamacro/clash/common/atomic"
+	C "github.com/Dreamacro/clash/constant"
+)
+
+type writeBackProxy struct {
+	wb atomic.TypedValue[C.WriteBack]
+}
+
+func (w *writeBackProxy) WriteBack(b []byte, addr net.Addr) (n int, err error) {
+	return w.wb.Load().WriteBack(b, addr)
+}
+
+func (w *writeBackProxy) UpdateWriteBack(wb C.WriteBack) {
+	w.wb.Store(wb)
+}
+
+func NewWriteBackProxy(wb C.WriteBack) C.WriteBackProxy {
+	w := &writeBackProxy{}
+	w.UpdateWriteBack(wb)
+	return w
+}

component/nat/table.go

@@ -5,42 +5,53 @@ import (
 	"sync"
 
 	C "github.com/Dreamacro/clash/constant"
+
+	"github.com/puzpuzpuz/xsync/v2"
 )
 
 type Table struct {
-	mapping sync.Map
+	mapping *xsync.MapOf[string, *Entry]
+	lockMap *xsync.MapOf[string, *sync.Cond]
 }
 
 type Entry struct {
 	PacketConn      C.PacketConn
-	LocalUDPConnMap sync.Map
+	WriteBackProxy  C.WriteBackProxy
+	LocalUDPConnMap *xsync.MapOf[string, *net.UDPConn]
+	LocalLockMap    *xsync.MapOf[string, *sync.Cond]
 }
 
-func (t *Table) Set(key string, e C.PacketConn) {
+func (t *Table) Set(key string, e C.PacketConn, w C.WriteBackProxy) {
 	t.mapping.Store(key, &Entry{
 		PacketConn:      e,
-		LocalUDPConnMap: sync.Map{},
+		WriteBackProxy:  w,
+		LocalUDPConnMap: xsync.NewMapOf[*net.UDPConn](),
+		LocalLockMap:    xsync.NewMapOf[*sync.Cond](),
 	})
 }
 
-func (t *Table) Get(key string) C.PacketConn {
+func (t *Table) Get(key string) (C.PacketConn, C.WriteBackProxy) {
 	entry, exist := t.getEntry(key)
 	if !exist {
-		return nil
+		return nil, nil
 	}
-	return entry.PacketConn
+	return entry.PacketConn, entry.WriteBackProxy
 }
 
 func (t *Table) GetOrCreateLock(key string) (*sync.Cond, bool) {
-	item, loaded := t.mapping.LoadOrStore(key, sync.NewCond(&sync.Mutex{}))
-	return item.(*sync.Cond), loaded
+	item, loaded := t.lockMap.LoadOrCompute(key, makeLock)
+	return item, loaded
 }
 
 func (t *Table) Delete(key string) {
 	t.mapping.Delete(key)
 }
 
-func (t *Table) GetLocalConn(lAddr, rAddr string) *net.UDPConn {
+func (t *Table) DeleteLock(lockKey string) {
+	t.lockMap.Delete(lockKey)
+}
+
+func (t *Table) GetForLocalConn(lAddr, rAddr string) *net.UDPConn {
 	entry, exist := t.getEntry(lAddr)
 	if !exist {
 		return nil
@@ -49,10 +60,10 @@ func (t *Table) GetLocalConn(lAddr, rAddr string) *net.UDPConn {
 	if !exist {
 		return nil
 	}
-	return item.(*net.UDPConn)
+	return item
 }
 
-func (t *Table) AddLocalConn(lAddr, rAddr string, conn *net.UDPConn) bool {
+func (t *Table) AddForLocalConn(lAddr, rAddr string, conn *net.UDPConn) bool {
 	entry, exist := t.getEntry(lAddr)
 	if !exist {
 		return false
@@ -61,7 +72,7 @@ func (t *Table) AddLocalConn(lAddr, rAddr string, conn *net.UDPConn) bool {
 	return true
 }
 
-func (t *Table) RangeLocalConn(lAddr string, f func(key, value any) bool) {
+func (t *Table) RangeForLocalConn(lAddr string, f func(key string, value *net.UDPConn) bool) {
 	entry, exist := t.getEntry(lAddr)
 	if !exist {
 		return
@@ -74,11 +85,11 @@ func (t *Table) GetOrCreateLockForLocalConn(lAddr, key string) (*sync.Cond, bool
 	if !loaded {
 		return nil, false
 	}
-	item, loaded := entry.LocalUDPConnMap.LoadOrStore(key, sync.NewCond(&sync.Mutex{}))
-	return item.(*sync.Cond), loaded
+	item, loaded := entry.LocalLockMap.LoadOrCompute(key, makeLock)
+	return item, loaded
 }
 
-func (t *Table) DeleteLocalConnMap(lAddr, key string) {
+func (t *Table) DeleteForLocalConn(lAddr, key string) {
 	entry, loaded := t.getEntry(lAddr)
 	if !loaded {
 		return
@@ -86,17 +97,26 @@ func (t *Table) DeleteLocalConnMap(lAddr, key string) {
 	entry.LocalUDPConnMap.Delete(key)
 }
 
-func (t *Table) getEntry(key string) (*Entry, bool) {
-	item, ok := t.mapping.Load(key)
-	// This should not happen usually since this function called after PacketConn created
-	if !ok {
-		return nil, false
+func (t *Table) DeleteLockForLocalConn(lAddr, key string) {
+	entry, loaded := t.getEntry(lAddr)
+	if !loaded {
+		return
 	}
-	entry, ok := item.(*Entry)
-	return entry, ok
+	entry.LocalLockMap.Delete(key)
+}
+
+func (t *Table) getEntry(key string) (*Entry, bool) {
+	return t.mapping.Load(key)
+}
+
+func makeLock() *sync.Cond {
+	return sync.NewCond(&sync.Mutex{})
 }
 
 // New return *Cache
 func New() *Table {
-	return &Table{}
+	return &Table{
+		mapping: xsync.NewMapOf[*Entry](),
+		lockMap: xsync.NewMapOf[*sync.Cond](),
+	}
 }

component/process/process_windows.go

@@ -67,7 +67,7 @@ func findProcessName(network string, ip netip.Addr, srcPort int) (uint32, string
 		err := initWin32API()
 		if err != nil {
 			log.Errorln("Initialize PROCESS-NAME failed: %s", err.Error())
-			log.Warnln("All PROCESS-NAMES rules will be skiped")
+			log.Warnln("All PROCESS-NAMES rules will be skipped")
 			return
 		}
 	})

component/proxydialer/sing.go

@@ -0,0 +1,82 @@
+package proxydialer
+
+import (
+	"context"
+	"net"
+
+	C "github.com/Dreamacro/clash/constant"
+
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+)
+
+type SingDialer interface {
+	N.Dialer
+	SetDialer(dialer C.Dialer)
+}
+
+type singDialer proxyDialer
+
+var _ N.Dialer = (*singDialer)(nil)
+
+func (d *singDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+	return (*proxyDialer)(d).DialContext(ctx, network, destination.String())
+}
+
+func (d *singDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+	return (*proxyDialer)(d).ListenPacket(ctx, "udp", "", destination.AddrPort())
+}
+
+func (d *singDialer) SetDialer(dialer C.Dialer) {
+	(*proxyDialer)(d).dialer = dialer
+}
+
+func NewSingDialer(proxy C.ProxyAdapter, dialer C.Dialer, statistic bool) SingDialer {
+	return (*singDialer)(&proxyDialer{
+		proxy:     proxy,
+		dialer:    dialer,
+		statistic: statistic,
+	})
+}
+
+type byNameSingDialer struct {
+	dialer    C.Dialer
+	proxyName string
+}
+
+var _ N.Dialer = (*byNameSingDialer)(nil)
+
+func (d *byNameSingDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+	var cDialer C.Dialer = d.dialer
+	if len(d.proxyName) > 0 {
+		pd, err := NewByName(d.proxyName, d.dialer)
+		if err != nil {
+			return nil, err
+		}
+		cDialer = pd
+	}
+	return cDialer.DialContext(ctx, network, destination.String())
+}
+
+func (d *byNameSingDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+	var cDialer C.Dialer = d.dialer
+	if len(d.proxyName) > 0 {
+		pd, err := NewByName(d.proxyName, d.dialer)
+		if err != nil {
+			return nil, err
+		}
+		cDialer = pd
+	}
+	return cDialer.ListenPacket(ctx, "udp", "", destination.AddrPort())
+}
+
+func (d *byNameSingDialer) SetDialer(dialer C.Dialer) {
+	d.dialer = dialer
+}
+
+func NewByNameSingDialer(proxyName string, dialer C.Dialer) SingDialer {
+	return &byNameSingDialer{
+		dialer:    dialer,
+		proxyName: proxyName,
+	}
+}

component/resolver/host.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"net/netip"
 	"strings"
+	_ "unsafe"
 
 	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/component/trie"
@@ -20,28 +21,39 @@ func NewHosts(hosts *trie.DomainTrie[HostValue]) Hosts {
 	}
 }
 
+// lookupStaticHost looks up the addresses and the canonical name for the given host from /etc/hosts.
+//
+//go:linkname lookupStaticHost net.lookupStaticHost
+func lookupStaticHost(host string) ([]string, string)
+
 // Return the search result and whether to match the parameter `isDomain`
 func (h *Hosts) Search(domain string, isDomain bool) (*HostValue, bool) {
-	value := h.DomainTrie.Search(domain)
-	if value == nil {
-		return nil, false
-	}
-	hostValue := value.Data()
-	for {
-		if isDomain && hostValue.IsDomain {
-			return &hostValue, true
-		} else {
-			if node := h.DomainTrie.Search(hostValue.Domain); node != nil {
-				hostValue = node.Data()
+	if value := h.DomainTrie.Search(domain); value != nil {
+		hostValue := value.Data()
+		for {
+			if isDomain && hostValue.IsDomain {
+				return &hostValue, true
 			} else {
-				break
+				if node := h.DomainTrie.Search(hostValue.Domain); node != nil {
+					hostValue = node.Data()
+				} else {
+					break
+				}
 			}
 		}
+		if isDomain == hostValue.IsDomain {
+			return &hostValue, true
+		}
+
+		return &hostValue, false
 	}
-	if isDomain == hostValue.IsDomain {
-		return &hostValue, true
+	if !isDomain {
+		addr, _ := lookupStaticHost(domain)
+		if hostValue, err := NewHostValue(addr); err == nil {
+			return &hostValue, true
+		}
 	}
-	return &hostValue, false
+	return nil, false
 }
 
 type HostValue struct {

component/resolver/host_windows.go

@@ -0,0 +1,19 @@
+//go:build !go1.22
+
+// a simple standard lib fix from: https://github.com/golang/go/commit/33d4a5105cf2b2d549922e909e9239a48b8cefcc
+
+package resolver
+
+import (
+	"golang.org/x/sys/windows"
+	_ "unsafe"
+)
+
+//go:linkname testHookHostsPath net.testHookHostsPath
+var testHookHostsPath string
+
+func init() {
+	if dir, err := windows.GetSystemDirectory(); err == nil {
+		testHookHostsPath = dir + "/Drivers/etc/hosts"
+	}
+}

component/resource/fetcher.go

@@ -9,6 +9,8 @@ import (
 
 	types "github.com/Dreamacro/clash/constant/provider"
 	"github.com/Dreamacro/clash/log"
+
+	"github.com/samber/lo"
 )
 
 var (
@@ -65,7 +67,7 @@ func (f *Fetcher[V]) Initial() (V, error) {
 	}
 
 	if err != nil {
-		return getZero[V](), err
+		return lo.Empty[V](), err
 	}
 
 	var contents V
@@ -85,18 +87,18 @@ func (f *Fetcher[V]) Initial() (V, error) {
 
 	if err != nil {
 		if !isLocal {
-			return getZero[V](), err
+			return lo.Empty[V](), err
 		}
 
 		// parse local file error, fallback to remote
 		buf, err = f.vehicle.Read()
 		if err != nil {
-			return getZero[V](), err
+			return lo.Empty[V](), err
 		}
 
 		contents, err = f.parser(buf)
 		if err != nil {
-			return getZero[V](), err
+			return lo.Empty[V](), err
 		}
 
 		isLocal = false
@@ -104,7 +106,7 @@ func (f *Fetcher[V]) Initial() (V, error) {
 
 	if f.vehicle.Type() != types.File && !isLocal {
 		if err := safeWrite(f.vehicle.Path(), buf); err != nil {
-			return getZero[V](), err
+			return lo.Empty[V](), err
 		}
 	}
 
@@ -121,7 +123,7 @@ func (f *Fetcher[V]) Initial() (V, error) {
 func (f *Fetcher[V]) Update() (V, bool, error) {
 	buf, err := f.vehicle.Read()
 	if err != nil {
-		return getZero[V](), false, err
+		return lo.Empty[V](), false, err
 	}
 
 	now := time.Now()
@@ -129,17 +131,17 @@ func (f *Fetcher[V]) Update() (V, bool, error) {
 	if bytes.Equal(f.hash[:], hash[:]) {
 		f.UpdatedAt = &now
 		_ = os.Chtimes(f.vehicle.Path(), now, now)
-		return getZero[V](), true, nil
+		return lo.Empty[V](), true, nil
 	}
 
 	contents, err := f.parser(buf)
 	if err != nil {
-		return getZero[V](), false, err
+		return lo.Empty[V](), false, err
 	}
 
 	if f.vehicle.Type() != types.File {
 		if err := safeWrite(f.vehicle.Path(), buf); err != nil {
-			return getZero[V](), false, err
+			return lo.Empty[V](), false, err
 		}
 	}
 
@@ -210,8 +212,3 @@ func NewFetcher[V any](name string, interval time.Duration, vehicle types.Vehicl
 		interval: interval,
 	}
 }
-
-func getZero[V any]() V {
-	var result V
-	return result
-}

component/resource/vehicle.go

@@ -2,12 +2,14 @@ package resource
 
 import (
 	"context"
-	clashHttp "github.com/Dreamacro/clash/component/http"
-	types "github.com/Dreamacro/clash/constant/provider"
+	"errors"
 	"io"
 	"net/http"
 	"os"
 	"time"
+
+	clashHttp "github.com/Dreamacro/clash/component/http"
+	types "github.com/Dreamacro/clash/constant/provider"
 )
 
 type FileVehicle struct {
@@ -54,8 +56,10 @@ func (h *HTTPVehicle) Read() ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-
 	defer resp.Body.Close()
+	if resp.StatusCode < 200 || resp.StatusCode > 299 {
+		return nil, errors.New(resp.Status)
+	}
 	buf, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err

component/sniffer/base_sniffer.go

@@ -10,11 +10,11 @@ import (
 
 type SnifferConfig struct {
 	OverrideDest bool
-	Ports        []utils.Range[uint16]
+	Ports        utils.IntRanges[uint16]
 }
 
 type BaseSniffer struct {
-	ports              []utils.Range[uint16]
+	ports              utils.IntRanges[uint16]
 	supportNetworkType constant.NetWork
 }
 
@@ -35,15 +35,10 @@ func (bs *BaseSniffer) SupportNetwork() constant.NetWork {
 
 // SupportPort implements sniffer.Sniffer
 func (bs *BaseSniffer) SupportPort(port uint16) bool {
-	for _, portRange := range bs.ports {
-		if portRange.Contains(port) {
-			return true
-		}
-	}
-	return false
+	return bs.ports.Check(port)
 }
 
-func NewBaseSniffer(ports []utils.Range[uint16], networkType constant.NetWork) *BaseSniffer {
+func NewBaseSniffer(ports utils.IntRanges[uint16], networkType constant.NetWork) *BaseSniffer {
 	return &BaseSniffer{
 		ports:              ports,
 		supportNetworkType: networkType,

component/sniffer/dispatcher.go

@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"net"
 	"net/netip"
-	"strconv"
 	"sync"
 	"time"
 
@@ -26,29 +25,24 @@ var (
 var Dispatcher *SnifferDispatcher
 
 type SnifferDispatcher struct {
-	enable           bool
-	sniffers         map[sniffer.Sniffer]SnifferConfig
-	forceDomain      *trie.DomainSet
-	skipSNI          *trie.DomainSet
-	skipList         *cache.LruCache[string, uint8]
-	rwMux            sync.RWMutex
-	forceDnsMapping  bool
-	parsePureIp      bool
+	enable          bool
+	sniffers        map[sniffer.Sniffer]SnifferConfig
+	forceDomain     *trie.DomainSet
+	skipSNI         *trie.DomainSet
+	skipList        *cache.LruCache[string, uint8]
+	rwMux           sync.RWMutex
+	forceDnsMapping bool
+	parsePureIp     bool
 }
 
-func (sd *SnifferDispatcher) TCPSniff(conn *N.BufferedConn, metadata *C.Metadata) {
+// TCPSniff returns true if the connection is sniffed to have a domain
+func (sd *SnifferDispatcher) TCPSniff(conn *N.BufferedConn, metadata *C.Metadata) bool {
 	if (metadata.Host == "" && sd.parsePureIp) || sd.forceDomain.Has(metadata.Host) || (metadata.DNSMode == C.DNSMapping && sd.forceDnsMapping) {
-		port, err := strconv.ParseUint(metadata.DstPort, 10, 16)
-		if err != nil {
-			log.Debugln("[Sniffer] Dst port is error")
-			return
-		}
-
 		inWhitelist := false
 		overrideDest := false
 		for sniffer, config := range sd.sniffers {
 			if sniffer.SupportNetwork() == C.TCP || sniffer.SupportNetwork() == C.ALLNet {
-				inWhitelist = sniffer.SupportPort(uint16(port))
+				inWhitelist = sniffer.SupportPort(metadata.DstPort)
 				if inWhitelist {
 					overrideDest = config.OverrideDest
 					break
@@ -57,26 +51,26 @@ func (sd *SnifferDispatcher) TCPSniff(conn *N.BufferedConn, metadata *C.Metadata
 		}
 
 		if !inWhitelist {
-			return
+			return false
 		}
 
 		sd.rwMux.RLock()
-		dst := fmt.Sprintf("%s:%s", metadata.DstIP, metadata.DstPort)
+		dst := fmt.Sprintf("%s:%d", 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
+			return false
 		}
 		sd.rwMux.RUnlock()
 
 		if host, err := sd.sniffDomain(conn, metadata); err != nil {
 			sd.cacheSniffFailed(metadata)
-			log.Debugln("[Sniffer] All sniffing sniff failed with from [%s:%s] to [%s:%s]", metadata.SrcIP, metadata.SrcPort, metadata.String(), metadata.DstPort)
-			return
+			log.Debugln("[Sniffer] All sniffing sniff failed with from [%s:%d] to [%s:%d]", metadata.SrcIP, metadata.SrcPort, metadata.String(), metadata.DstPort)
+			return false
 		} else {
 			if sd.skipSNI.Has(host) {
 				log.Debugln("[Sniffer] Skip sni[%s]", host)
-				return
+				return false
 			}
 
 			sd.rwMux.RLock()
@@ -84,20 +78,23 @@ func (sd *SnifferDispatcher) TCPSniff(conn *N.BufferedConn, metadata *C.Metadata
 			sd.rwMux.RUnlock()
 
 			sd.replaceDomain(metadata, host, overrideDest)
+			return true
 		}
 	}
+	return false
 }
 
 func (sd *SnifferDispatcher) replaceDomain(metadata *C.Metadata, host string, overrideDest bool) {
+	// show log early, since the following code may mutate `metadata.Host`
+	log.Debugln("[Sniffer] Sniff TCP [%s]-->[%s] success, replace domain [%s]-->[%s]",
+		metadata.SourceDetail(),
+		metadata.RemoteAddress(),
+		metadata.Host, host)
 	metadata.SniffHost = host
 	if overrideDest {
 		metadata.Host = host
 	}
 	metadata.DNSMode = C.DNSNormal
-	log.Debugln("[Sniffer] Sniff TCP [%s]-->[%s] success, replace domain [%s]-->[%s]",
-		metadata.SourceDetail(),
-		metadata.RemoteAddress(),
-		metadata.Host, host)
 }
 
 func (sd *SnifferDispatcher) Enable() bool {
@@ -149,7 +146,7 @@ func (sd *SnifferDispatcher) sniffDomain(conn *N.BufferedConn, metadata *C.Metad
 
 func (sd *SnifferDispatcher) cacheSniffFailed(metadata *C.Metadata) {
 	sd.rwMux.Lock()
-	dst := fmt.Sprintf("%s:%s", metadata.DstIP, metadata.DstPort)
+	dst := fmt.Sprintf("%s:%d", metadata.DstIP, metadata.DstPort)
 	count, _ := sd.skipList.Get(dst)
 	if count <= 5 {
 		count++

component/sniffer/http_sniffer.go

@@ -34,11 +34,9 @@ type HTTPSniffer struct {
 var _ sniffer.Sniffer = (*HTTPSniffer)(nil)
 
 func NewHTTPSniffer(snifferConfig SnifferConfig) (*HTTPSniffer, error) {
-	ports := make([]utils.Range[uint16], 0)
-	if len(snifferConfig.Ports) == 0 {
-		ports = append(ports, *utils.NewRange[uint16](80, 80))
-	} else {
-		ports = append(ports, snifferConfig.Ports...)
+	ports := snifferConfig.Ports
+	if len(ports) == 0 {
+		ports = utils.IntRanges[uint16]{utils.NewRange[uint16](80, 80)}
 	}
 	return &HTTPSniffer{
 		BaseSniffer: NewBaseSniffer(ports, C.TCP),

component/sniffer/tls_sniffer.go

@@ -22,11 +22,9 @@ type TLSSniffer struct {
 }
 
 func NewTLSSniffer(snifferConfig SnifferConfig) (*TLSSniffer, error) {
-	ports := make([]utils.Range[uint16], 0)
-	if len(snifferConfig.Ports) == 0 {
-		ports = append(ports, *utils.NewRange[uint16](443, 443))
-	} else {
-		ports = append(ports, snifferConfig.Ports...)
+	ports := snifferConfig.Ports
+	if len(ports) == 0 {
+		ports = utils.IntRanges[uint16]{utils.NewRange[uint16](443, 443)}
 	}
 	return &TLSSniffer{
 		BaseSniffer: NewBaseSniffer(ports, C.TCP),

component/tls/reality.go

@@ -22,9 +22,11 @@ import (
 
 	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/log"
+	"github.com/Dreamacro/clash/ntp"
 
 	utls "github.com/sagernet/utls"
 	"github.com/zhangyunhao116/fastrand"
+	"golang.org/x/crypto/chacha20poly1305"
 	"golang.org/x/crypto/curve25519"
 	"golang.org/x/crypto/hkdf"
 	"golang.org/x/net/http2"
@@ -37,6 +39,9 @@ type RealityConfig struct {
 	ShortID   [RealityMaxShortIDLen]byte
 }
 
+//go:linkname aesgcmPreferred crypto/tls.aesgcmPreferred
+func aesgcmPreferred(ciphers []uint16) bool
+
 func GetRealityConn(ctx context.Context, conn net.Conn, ClientFingerprint string, tlsConfig *tls.Config, realityConfig *RealityConfig) (net.Conn, error) {
 	if fingerprint, exists := GetFingerprint(ClientFingerprint); exists {
 		verifier := &realityVerifier{
@@ -61,17 +66,17 @@ func GetRealityConn(ctx context.Context, conn net.Conn, ClientFingerprint string
 		}
 
 		hello := uConn.HandshakeState.Hello
-		for i := range hello.SessionId { // https://github.com/golang/go/issues/5373
-			hello.SessionId[i] = 0
+		rawSessionID := hello.Raw[39 : 39+32] // the location of session ID
+		for i := range rawSessionID {         // https://github.com/golang/go/issues/5373
+			rawSessionID[i] = 0
 		}
-		copy(hello.Raw[39:], hello.SessionId)
 
-		binary.BigEndian.PutUint64(hello.SessionId, uint64(time.Now().Unix()))
+		binary.BigEndian.PutUint64(hello.SessionId, uint64(ntp.Now().Unix()))
 
+		copy(hello.SessionId[8:], realityConfig.ShortID[:])
 		hello.SessionId[0] = 1
 		hello.SessionId[1] = 8
-		hello.SessionId[2] = 0
-		copy(hello.SessionId[8:], realityConfig.ShortID[:])
+		hello.SessionId[2] = 2
 
 		//log.Debugln("REALITY hello.sessionId[:16]: %v", hello.SessionId[:16])
 
@@ -84,9 +89,14 @@ func GetRealityConn(ctx context.Context, conn net.Conn, ClientFingerprint string
 		if err != nil {
 			return nil, err
 		}
-		aesBlock, _ := aes.NewCipher(authKey)
-		aesGcmCipher, _ := cipher.NewGCM(aesBlock)
-		aesGcmCipher.Seal(hello.SessionId[:0], hello.Random[20:], hello.SessionId[:16], hello.Raw)
+		var aeadCipher cipher.AEAD
+		if aesgcmPreferred(hello.CipherSuites) {
+			aesBlock, _ := aes.NewCipher(authKey)
+			aeadCipher, _ = cipher.NewGCM(aesBlock)
+		} else {
+			aeadCipher, _ = chacha20poly1305.New(authKey)
+		}
+		aeadCipher.Seal(hello.SessionId[:0], hello.Random[20:], hello.SessionId[:16], hello.Raw)
 		copy(hello.Raw[39:], hello.SessionId)
 		//log.Debugln("REALITY hello.sessionId: %v", hello.SessionId)
 		//log.Debugln("REALITY uConn.AuthKey: %v", authKey)
@@ -96,7 +106,7 @@ func GetRealityConn(ctx context.Context, conn net.Conn, ClientFingerprint string
 			return nil, err
 		}
 
-		log.Debugln("REALITY Authentication: %v", verifier.verified)
+		log.Debugln("REALITY Authentication: %v, AEAD: %T", verifier.verified, aeadCipher)
 
 		if !verifier.verified {
 			go realityClientFallback(uConn, uConfig.ServerName, clientID)
@@ -137,7 +147,7 @@ type realityVerifier struct {
 	verified   bool
 }
 
-var pOffset = utils.MustOK(reflect.TypeOf((*utls.UConn)(nil)).Elem().FieldByName("peerCertificates")).Offset
+var pOffset = utils.MustOK(reflect.TypeOf((*utls.Conn)(nil)).Elem().FieldByName("peerCertificates")).Offset
 
 func (c *realityVerifier) VerifyPeerCertificate(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
 	//p, _ := reflect.TypeOf(c.Conn).Elem().FieldByName("peerCertificates")

component/trie/domain_set.go

@@ -23,6 +23,8 @@ type DomainSet struct {
 	ranks, selects      []int32
 }
 
+type qElt struct{ s, e, col int }
+
 // NewDomainSet creates a new *DomainSet struct, from a DomainTrie.
 func (t *DomainTrie[T]) NewDomainSet() *DomainSet {
 	reserveDomains := make([]string, 0)
@@ -39,7 +41,6 @@ func (t *DomainTrie[T]) NewDomainSet() *DomainSet {
 	ss := &DomainSet{}
 	lIdx := 0
 
-	type qElt struct{ s, e, col int }
 	queue := []qElt{{0, len(keys), 0}}
 	for i := 0; i < len(queue); i++ {
 		elt := queue[i]

component/trie/ipcidr_trie.go

@@ -1,8 +1,9 @@
 package trie
 
 import (
-	"github.com/Dreamacro/clash/log"
 	"net"
+
+	"github.com/Dreamacro/clash/log"
 )
 
 type IPV6 bool
@@ -47,11 +48,10 @@ func (trie *IpCidrTrie) AddIpCidrForString(ipCidr string) error {
 }
 
 func (trie *IpCidrTrie) IsContain(ip net.IP) bool {
-	ip, isIpv4 := checkAndConverterIp(ip)
 	if ip == nil {
 		return false
 	}
-
+	isIpv4 := len(ip) == net.IPv4len
 	var groupValues []uint32
 	var ipCidrNode *IpCidrNode
 
@@ -71,7 +71,13 @@ func (trie *IpCidrTrie) IsContain(ip net.IP) bool {
 }
 
 func (trie *IpCidrTrie) IsContainForString(ipString string) bool {
-	return trie.IsContain(net.ParseIP(ipString))
+	ip := net.ParseIP(ipString)
+	// deal with 4in6
+	actualIp := ip.To4()
+	if actualIp == nil {
+		actualIp = ip
+	}
+	return trie.IsContain(actualIp)
 }
 
 func ipCidrToSubIpCidr(ipNet *net.IPNet) ([]net.IP, int, bool, error) {
@@ -82,9 +88,8 @@ func ipCidrToSubIpCidr(ipNet *net.IPNet) ([]net.IP, int, bool, error) {
 		isIpv4      bool
 		err         error
 	)
-
-	ip, isIpv4 := checkAndConverterIp(ipNet.IP)
-	ipList, newMaskSize, err = subIpCidr(ip, maskSize, isIpv4)
+	isIpv4 = len(ipNet.IP) == net.IPv4len
+	ipList, newMaskSize, err = subIpCidr(ipNet.IP, maskSize, isIpv4)
 
 	return ipList, newMaskSize, isIpv4, err
 }
@@ -238,18 +243,3 @@ func search(root *IpCidrNode, groupValues []uint32) *IpCidrNode {
 
 	return nil
 }
-
-// return net.IP To4 or To16 and is ipv4
-func checkAndConverterIp(ip net.IP) (net.IP, bool) {
-	ipResult := ip.To4()
-	if ipResult == nil {
-		ipResult = ip.To16()
-		if ipResult == nil {
-			return nil, false
-		}
-
-		return ipResult, false
-	}
-
-	return ipResult, true
-}

component/trie/trie_test.go

@@ -3,8 +3,9 @@ package trie
 import (
 	"net"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
-import "github.com/stretchr/testify/assert"
 
 func TestIpv4AddSuccess(t *testing.T) {
 	trie := NewIpCidrTrie()
@@ -96,5 +97,11 @@ func TestIpv6Search(t *testing.T) {
 	assert.Equal(t, true, trie.IsContainForString("2001:67c:4e8:9666::1213"))
 
 	assert.Equal(t, false, trie.IsContain(net.ParseIP("22233:22")))
-
+}
+
+func TestIpv4InIpv6(t *testing.T) {
+	trie := NewIpCidrTrie()
+
+	// Boundary testing
+	assert.NoError(t, trie.AddIpCidrForString("::ffff:198.18.5.138/128"))
 }

config/config.go

@@ -8,8 +8,8 @@ import (
 	"net/netip"
 	"net/url"
 	"os"
+	"path"
 	"regexp"
-	"strconv"
 	"strings"
 	"time"
 
@@ -17,6 +17,7 @@ import (
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/adapter/outboundgroup"
 	"github.com/Dreamacro/clash/adapter/provider"
+	N "github.com/Dreamacro/clash/common/net"
 	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/component/auth"
 	"github.com/Dreamacro/clash/component/dialer"
@@ -52,6 +53,7 @@ type General struct {
 	IPv6                    bool              `json:"ipv6"`
 	Interface               string            `json:"interface-name"`
 	RoutingMark             int               `json:"-"`
+	GeoXUrl                 GeoXUrl           `json:"geox-url"`
 	GeodataMode             bool              `json:"geodata-mode"`
 	GeodataLoader           string            `json:"geodata-loader"`
 	TCPConcurrent           bool              `json:"tcp-concurrent"`
@@ -59,6 +61,7 @@ type General struct {
 	Sniffing                bool              `json:"sniffing"`
 	EBpf                    EBpf              `json:"-"`
 	GlobalClientFingerprint string            `json:"global-client-fingerprint"`
+	GlobalUA                string            `json:"global-ua"`
 }
 
 // Inbound config
@@ -76,6 +79,7 @@ type Inbound struct {
 	AllowLan          bool          `json:"allow-lan"`
 	BindAddress       string        `json:"bind-address"`
 	InboundTfo        bool          `json:"inbound-tfo"`
+	InboundMPTCP      bool          `json:"inbound-mptcp"`
 }
 
 // Controller config
@@ -86,6 +90,16 @@ type Controller struct {
 	Secret                string `json:"-"`
 }
 
+// NTP config
+type NTP struct {
+	Enable        bool   `yaml:"enable"`
+	Server        string `yaml:"server"`
+	Port          int    `yaml:"port"`
+	Interval      int    `yaml:"interval"`
+	DialerProxy   string `yaml:"dialer-proxy"`
+	WriteToSystem bool   `yaml:"write-to-system"`
+}
+
 // DNS config
 type DNS struct {
 	Enable                bool             `yaml:"enable"`
@@ -143,13 +157,15 @@ type Sniffer struct {
 
 // Experimental config
 type Experimental struct {
-	Fingerprints []string `yaml:"fingerprints"`
+	Fingerprints     []string `yaml:"fingerprints"`
+	QUICGoDisableGSO bool     `yaml:"quic-go-disable-gso"`
 }
 
 // Config is clash config manager
 type Config struct {
 	General       *General
 	IPTables      *IPTables
+	NTP           *NTP
 	DNS           *DNS
 	Experimental  *Experimental
 	Hosts         *trie.DomainTrie[resolver.HostValue]
@@ -166,6 +182,15 @@ type Config struct {
 	TLS           *TLS
 }
 
+type RawNTP struct {
+	Enable        bool   `yaml:"enable"`
+	Server        string `yaml:"server"`
+	ServerPort    int    `yaml:"server-port"`
+	Interval      int    `yaml:"interval"`
+	DialerProxy   string `yaml:"dialer-proxy"`
+	WriteToSystem bool   `yaml:"write-to-system"`
+}
+
 type RawDNS struct {
 	Enable                bool              `yaml:"enable"`
 	PreferH3              bool              `yaml:"prefer-h3"`
@@ -220,16 +245,18 @@ type RawTun struct {
 }
 
 type RawTuicServer struct {
-	Enable                bool     `yaml:"enable" json:"enable"`
-	Listen                string   `yaml:"listen" json:"listen"`
-	Token                 []string `yaml:"token" json:"token"`
-	Certificate           string   `yaml:"certificate" json:"certificate"`
-	PrivateKey            string   `yaml:"private-key" json:"private-key"`
-	CongestionController  string   `yaml:"congestion-controller" json:"congestion-controller,omitempty"`
-	MaxIdleTime           int      `yaml:"max-idle-time" json:"max-idle-time,omitempty"`
-	AuthenticationTimeout int      `yaml:"authentication-timeout" json:"authentication-timeout,omitempty"`
-	ALPN                  []string `yaml:"alpn" json:"alpn,omitempty"`
-	MaxUdpRelayPacketSize int      `yaml:"max-udp-relay-packet-size" json:"max-udp-relay-packet-size,omitempty"`
+	Enable                bool              `yaml:"enable" json:"enable"`
+	Listen                string            `yaml:"listen" json:"listen"`
+	Token                 []string          `yaml:"token" json:"token"`
+	Users                 map[string]string `yaml:"users" json:"users,omitempty"`
+	Certificate           string            `yaml:"certificate" json:"certificate"`
+	PrivateKey            string            `yaml:"private-key" json:"private-key"`
+	CongestionController  string            `yaml:"congestion-controller" json:"congestion-controller,omitempty"`
+	MaxIdleTime           int               `yaml:"max-idle-time" json:"max-idle-time,omitempty"`
+	AuthenticationTimeout int               `yaml:"authentication-timeout" json:"authentication-timeout,omitempty"`
+	ALPN                  []string          `yaml:"alpn" json:"alpn,omitempty"`
+	MaxUdpRelayPacketSize int               `yaml:"max-udp-relay-packet-size" json:"max-udp-relay-packet-size,omitempty"`
+	CWND                  int               `yaml:"cwnd" json:"cwnd,omitempty"`
 }
 
 type RawConfig struct {
@@ -241,6 +268,7 @@ type RawConfig struct {
 	ShadowSocksConfig       string            `yaml:"ss-config"`
 	VmessConfig             string            `yaml:"vmess-config"`
 	InboundTfo              bool              `yaml:"inbound-tfo"`
+	InboundMPTCP            bool              `yaml:"inbound-mptcp"`
 	Authentication          []string          `yaml:"authentication"`
 	AllowLan                bool              `yaml:"allow-lan"`
 	BindAddress             string            `yaml:"bind-address"`
@@ -251,6 +279,8 @@ type RawConfig struct {
 	ExternalController      string            `yaml:"external-controller"`
 	ExternalControllerTLS   string            `yaml:"external-controller-tls"`
 	ExternalUI              string            `yaml:"external-ui"`
+	ExternalUIURL           string            `yaml:"external-ui-url" json:"external-ui-url"`
+	ExternalUIName          string            `yaml:"external-ui-name" json:"external-ui-name"`
 	Secret                  string            `yaml:"secret"`
 	Interface               string            `yaml:"interface-name"`
 	RoutingMark             int               `yaml:"routing-mark"`
@@ -260,11 +290,14 @@ type RawConfig struct {
 	TCPConcurrent           bool              `yaml:"tcp-concurrent" json:"tcp-concurrent"`
 	FindProcessMode         P.FindProcessMode `yaml:"find-process-mode" json:"find-process-mode"`
 	GlobalClientFingerprint string            `yaml:"global-client-fingerprint"`
+	GlobalUA                string            `yaml:"global-ua"`
+	KeepAliveInterval       int               `yaml:"keep-alive-interval"`
 
 	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]any            `yaml:"hosts"`
+	NTP           RawNTP                    `yaml:"ntp"`
 	DNS           RawDNS                    `yaml:"dns"`
 	Tun           RawTun                    `yaml:"tun"`
 	TuicServer    RawTuicServer             `yaml:"tuic-server"`
@@ -272,7 +305,7 @@ type RawConfig struct {
 	IPTables      IPTables                  `yaml:"iptables"`
 	Experimental  Experimental              `yaml:"experimental"`
 	Profile       Profile                   `yaml:"profile"`
-	GeoXUrl       RawGeoXUrl                `yaml:"geox-url"`
+	GeoXUrl       GeoXUrl                   `yaml:"geox-url"`
 	Proxy         []map[string]any          `yaml:"proxies"`
 	ProxyGroup    []map[string]any          `yaml:"proxy-groups"`
 	Rule          []string                  `yaml:"rules"`
@@ -281,7 +314,7 @@ type RawConfig struct {
 	Listeners     []map[string]any          `yaml:"listeners"`
 }
 
-type RawGeoXUrl struct {
+type GeoXUrl struct {
 	GeoIp   string `yaml:"geoip" json:"geoip"`
 	Mmdb    string `yaml:"mmdb" json:"mmdb"`
 	GeoSite string `yaml:"geosite" json:"geosite"`
@@ -344,6 +377,7 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 		ProxyGroup:      []map[string]any{},
 		TCPConcurrent:   false,
 		FindProcessMode: P.FindProcessStrict,
+		GlobalUA:        "clash.meta",
 		Tun: RawTun{
 			Enable:              false,
 			Device:              "",
@@ -356,6 +390,7 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 		TuicServer: RawTuicServer{
 			Enable:                false,
 			Token:                 nil,
+			Users:                 nil,
 			Certificate:           "",
 			PrivateKey:            "",
 			Listen:                "",
@@ -374,6 +409,13 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 			InboundInterface: "lo",
 			Bypass:           []string{},
 		},
+		NTP: RawNTP{
+			Enable:        false,
+			WriteToSystem: false,
+			Server:        "time.apple.com",
+			ServerPort:    123,
+			Interval:      30,
+		},
 		DNS: RawDNS{
 			Enable:       false,
 			IPv6:         false,
@@ -416,11 +458,12 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 		Profile: Profile{
 			StoreSelected: true,
 		},
-		GeoXUrl: RawGeoXUrl{
-			Mmdb:    "https://testingcf.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/country.mmdb",
-			GeoIp:   "https://testingcf.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geoip.dat",
-			GeoSite: "https://testingcf.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geosite.dat",
+		GeoXUrl: GeoXUrl{
+			Mmdb:    "https://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geoip.metadb",
+			GeoIp:   "https://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geoip.dat",
+			GeoSite: "https://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geosite.dat",
 		},
+		ExternalUIURL: "https://github.com/MetaCubeX/metacubexd/archive/refs/heads/gh-pages.zip",
 	}
 
 	if err := yaml.Unmarshal(buf, rawCfg); err != nil {
@@ -446,7 +489,7 @@ func ParseRawConfig(rawCfg *RawConfig) (*Config, error) {
 	config.General = general
 
 	if len(config.General.GlobalClientFingerprint) != 0 {
-		log.Debugln("GlobalClientFingerprint:%s", config.General.GlobalClientFingerprint)
+		log.Debugln("GlobalClientFingerprint: %s", config.General.GlobalClientFingerprint)
 		tlsC.SetGlobalUtlsClient(config.General.GlobalClientFingerprint)
 	}
 
@@ -488,6 +531,9 @@ func ParseRawConfig(rawCfg *RawConfig) (*Config, error) {
 	}
 	config.Hosts = hosts
 
+	ntpCfg := paresNTP(rawCfg)
+	config.NTP = ntpCfg
+
 	dnsCfg, err := parseDNS(rawCfg, hosts, rules, ruleProviders)
 	if err != nil {
 		return nil, err
@@ -528,15 +574,40 @@ func ParseRawConfig(rawCfg *RawConfig) (*Config, error) {
 }
 
 func parseGeneral(cfg *RawConfig) (*General, error) {
-	externalUI := cfg.ExternalUI
 	geodata.SetLoader(cfg.GeodataLoader)
+	C.GeoIpUrl = cfg.GeoXUrl.GeoIp
+	C.GeoSiteUrl = cfg.GeoXUrl.GeoSite
+	C.MmdbUrl = cfg.GeoXUrl.Mmdb
+	C.GeodataMode = cfg.GeodataMode
+	C.UA = cfg.GlobalUA
+	if cfg.KeepAliveInterval != 0 {
+		N.KeepAliveInterval = time.Duration(cfg.KeepAliveInterval) * time.Second
+	}
+
+	ExternalUIPath = cfg.ExternalUI
 	// checkout externalUI exist
-	if externalUI != "" {
-		externalUI = C.Path.Resolve(externalUI)
-		if _, err := os.Stat(externalUI); os.IsNotExist(err) {
-			return nil, fmt.Errorf("external-ui: %s not exist", externalUI)
+	if ExternalUIPath != "" {
+		ExternalUIPath = C.Path.Resolve(ExternalUIPath)
+		if _, err := os.Stat(ExternalUIPath); os.IsNotExist(err) {
+			defaultUIpath := path.Join(C.Path.HomeDir(), "ui")
+			log.Warnln("external-ui: %s does not exist, creating folder in %s", ExternalUIPath, defaultUIpath)
+			if err := os.MkdirAll(defaultUIpath, os.ModePerm); err != nil {
+				return nil, err
+			}
+			ExternalUIPath = defaultUIpath
+			cfg.ExternalUI = defaultUIpath
 		}
 	}
+	// checkout UIpath/name exist
+	if cfg.ExternalUIName != "" {
+		ExternalUIName = cfg.ExternalUIName
+	} else {
+		ExternalUIFolder = ExternalUIPath
+	}
+	if cfg.ExternalUIURL != "" {
+		ExternalUIURL = cfg.ExternalUIURL
+	}
+
 	cfg.Tun.RedirectToTun = cfg.EBpf.RedirectToTun
 	return &General{
 		Inbound: Inbound{
@@ -550,6 +621,7 @@ func parseGeneral(cfg *RawConfig) (*General, error) {
 			AllowLan:          cfg.AllowLan,
 			BindAddress:       cfg.BindAddress,
 			InboundTfo:        cfg.InboundTfo,
+			InboundMPTCP:      cfg.InboundMPTCP,
 		},
 		Controller: Controller{
 			ExternalController:    cfg.ExternalController,
@@ -563,12 +635,14 @@ func parseGeneral(cfg *RawConfig) (*General, error) {
 		IPv6:                    cfg.IPv6,
 		Interface:               cfg.Interface,
 		RoutingMark:             cfg.RoutingMark,
+		GeoXUrl:                 cfg.GeoXUrl,
 		GeodataMode:             cfg.GeodataMode,
 		GeodataLoader:           cfg.GeodataLoader,
 		TCPConcurrent:           cfg.TCPConcurrent,
 		FindProcessMode:         cfg.FindProcessMode,
 		EBpf:                    cfg.EBpf,
 		GlobalClientFingerprint: cfg.GlobalClientFingerprint,
+		GlobalUA:                cfg.GlobalUA,
 	}, nil
 }
 
@@ -655,7 +729,7 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
 		}
 		ps = append(ps, proxies[v])
 	}
-	hc := provider.NewHealthCheck(ps, "", 0, true)
+	hc := provider.NewHealthCheck(ps, "", 0, true, nil)
 	pd, _ := provider.NewCompatibleProvider(provider.ReservedName, ps, hc)
 	providersMap[provider.ReservedName] = pd
 
@@ -710,6 +784,9 @@ func parseRuleProviders(cfg *RawConfig) (ruleProviders map[string]providerTypes.
 
 func parseSubRules(cfg *RawConfig, proxies map[string]C.Proxy) (subRules map[string][]C.Rule, err error) {
 	subRules = map[string][]C.Rule{}
+	for name := range cfg.SubRules {
+		subRules[name] = make([]C.Rule, 0)
+	}
 	for name, rawRules := range cfg.SubRules {
 		if len(name) == 0 {
 			return nil, fmt.Errorf("sub-rule name is empty")
@@ -914,7 +991,7 @@ func parseNameServer(servers []string, preferH3 bool) ([]dns.NameServer, error)
 			addr, err = hostWithDefaultPort(u.Host, "443")
 			if err == nil {
 				proxyName = ""
-				clearURL := url.URL{Scheme: "https", Host: addr, Path: u.Path}
+				clearURL := url.URL{Scheme: "https", Host: addr, Path: u.Path, User: u.User}
 				addr = clearURL.String()
 				dnsNetType = "https" // DNS over HTTPS
 				if len(u.Fragment) != 0 {
@@ -940,6 +1017,19 @@ func parseNameServer(servers []string, preferH3 bool) ([]dns.NameServer, error)
 			dnsNetType = "quic" // DNS over QUIC
 		case "system":
 			dnsNetType = "system" // System DNS
+		case "rcode":
+			dnsNetType = "rcode"
+			addr = u.Host
+			switch addr {
+			case "success",
+				"format_error",
+				"server_failure",
+				"name_error",
+				"not_implemented",
+				"refused":
+			default:
+				err = fmt.Errorf("unsupported RCode type: %s", addr)
+			}
 		default:
 			return nil, fmt.Errorf("DNS NameServer[%d] unsupport scheme: %s", idx, u.Scheme)
 		}
@@ -1105,6 +1195,19 @@ func parseFallbackGeoSite(countries []string, rules []C.Rule) ([]*router.DomainM
 	return sites, nil
 }
 
+func paresNTP(rawCfg *RawConfig) *NTP {
+	cfg := rawCfg.NTP
+	ntpCfg := &NTP{
+		Enable:        cfg.Enable,
+		Server:        cfg.Server,
+		Port:          cfg.ServerPort,
+		Interval:      cfg.Interval,
+		DialerProxy:   cfg.DialerProxy,
+		WriteToSystem: cfg.WriteToSystem,
+	}
+	return ntpCfg
+}
+
 func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[resolver.HostValue], rules []C.Rule, ruleProviders map[string]providerTypes.RuleProvider) (*DNS, error) {
 	cfg := rawCfg.DNS
 	if cfg.Enable && len(cfg.NameServer) == 0 {
@@ -1282,6 +1385,7 @@ func parseTuicServer(rawTuic RawTuicServer, general *General) error {
 		Enable:                rawTuic.Enable,
 		Listen:                rawTuic.Listen,
 		Token:                 rawTuic.Token,
+		Users:                 rawTuic.Users,
 		Certificate:           rawTuic.Certificate,
 		PrivateKey:            rawTuic.PrivateKey,
 		CongestionController:  rawTuic.CongestionController,
@@ -1289,6 +1393,7 @@ func parseTuicServer(rawTuic RawTuicServer, general *General) error {
 		AuthenticationTimeout: rawTuic.AuthenticationTimeout,
 		ALPN:                  rawTuic.ALPN,
 		MaxUdpRelayPacketSize: rawTuic.MaxUdpRelayPacketSize,
+		CWND:                  rawTuic.CWND,
 	}
 	return nil
 }
@@ -1304,7 +1409,7 @@ func parseSniffer(snifferRaw RawSniffer) (*Sniffer, error) {
 	if len(snifferRaw.Sniff) != 0 {
 		for sniffType, sniffConfig := range snifferRaw.Sniff {
 			find := false
-			ports, err := parsePortRange(sniffConfig.Ports)
+			ports, err := utils.NewIntRangesFromList[uint16](sniffConfig.Ports)
 			if err != nil {
 				return nil, err
 			}
@@ -1331,7 +1436,7 @@ func parseSniffer(snifferRaw RawSniffer) (*Sniffer, error) {
 			// Deprecated: Use Sniff instead
 			log.Warnln("Deprecated: Use Sniff instead")
 		}
-		globalPorts, err := parsePortRange(snifferRaw.Ports)
+		globalPorts, err := utils.NewIntRangesFromList[uint16](snifferRaw.Ports)
 		if err != nil {
 			return nil, err
 		}
@@ -1376,28 +1481,3 @@ func parseSniffer(snifferRaw RawSniffer) (*Sniffer, error) {
 
 	return sniffer, nil
 }
-
-func parsePortRange(portRanges []string) ([]utils.Range[uint16], error) {
-	ports := make([]utils.Range[uint16], 0)
-	for _, portRange := range portRanges {
-		portRaws := strings.Split(portRange, "-")
-		p, err := strconv.ParseUint(portRaws[0], 10, 16)
-		if err != nil {
-			return nil, fmt.Errorf("%s format error", portRange)
-		}
-
-		start := uint16(p)
-		if len(portRaws) > 1 {
-			p, err = strconv.ParseUint(portRaws[1], 10, 16)
-			if err != nil {
-				return nil, fmt.Errorf("%s format error", portRange)
-			}
-
-			end := uint16(p)
-			ports = append(ports, *utils.NewRange(start, end))
-		} else {
-			ports = append(ports, *utils.NewRange(start, start))
-		}
-	}
-	return ports, nil
-}

config/initial.go

@@ -2,7 +2,6 @@ package config
 
 import (
 	"fmt"
-	"github.com/Dreamacro/clash/component/geodata"
 	"os"
 
 	C "github.com/Dreamacro/clash/constant"
@@ -28,23 +27,6 @@ func Init(dir string) error {
 		f.Write([]byte(`mixed-port: 7890`))
 		f.Close()
 	}
-	buf, _ := os.ReadFile(C.Path.Config())
-	rawCfg, err := UnmarshalRawConfig(buf)
-	if err != nil {
-		log.Errorln(err.Error())
-		fmt.Printf("configuration file %s test failed\n", C.Path.Config())
-		os.Exit(1)
-	}
-	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 := geodata.InitGeoIP(); err != nil {
-		return fmt.Errorf("can't initial GeoIP: %w", err)
-	}
 
 	return nil
 }

config/update_geo.go

@@ -1,20 +1,14 @@
 package config
 
 import (
-	"context"
 	"fmt"
-	"io"
-	"net/http"
-	"os"
 	"runtime"
-	"time"
 
 	"github.com/Dreamacro/clash/component/geodata"
 	_ "github.com/Dreamacro/clash/component/geodata/standard"
-	clashHttp "github.com/Dreamacro/clash/component/http"
 	C "github.com/Dreamacro/clash/constant"
 
-	"github.com/oschwald/geoip2-golang"
+	"github.com/oschwald/maxminddb-golang"
 )
 
 func UpdateGeoDatabases() error {
@@ -44,7 +38,7 @@ func UpdateGeoDatabases() error {
 			return fmt.Errorf("can't download MMDB database file: %w", err)
 		}
 
-		instance, err := geoip2.FromBytes(data)
+		instance, err := maxminddb.FromBytes(data)
 		if err != nil {
 			return fmt.Errorf("invalid MMDB database file: %s", err)
 		}
@@ -72,19 +66,3 @@ func UpdateGeoDatabases() error {
 
 	return nil
 }
-
-func downloadForBytes(url string) ([]byte, error) {
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second*90)
-	defer cancel()
-	resp, err := clashHttp.HttpRequest(ctx, url, http.MethodGet, http.Header{"User-Agent": {"clash"}}, nil)
-	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)
-}

config/update_ui.go

@@ -0,0 +1,145 @@
+package config
+
+import (
+	"archive/zip"
+	"errors"
+	"fmt"
+	"io"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+	"sync"
+
+	C "github.com/Dreamacro/clash/constant"
+)
+
+var (
+	ExternalUIURL    string
+	ExternalUIPath   string
+	ExternalUIFolder string
+	ExternalUIName   string
+)
+var (
+	ErrIncompleteConf = errors.New("ExternalUI configure incomplete")
+)
+var xdMutex sync.Mutex
+
+func UpdateUI() error {
+	xdMutex.Lock()
+	defer xdMutex.Unlock()
+
+	err := prepare()
+	if err != nil {
+		return err
+	}
+
+	data, err := downloadForBytes(ExternalUIURL)
+	if err != nil {
+		return fmt.Errorf("can't download  file: %w", err)
+	}
+
+	saved := path.Join(C.Path.HomeDir(), "download.zip")
+	if saveFile(data, saved) != nil {
+		return fmt.Errorf("can't save zip file: %w", err)
+	}
+	defer os.Remove(saved)
+
+	err = cleanup(ExternalUIFolder)
+	if err != nil {
+		if !os.IsNotExist(err) {
+			return fmt.Errorf("cleanup exist file error: %w", err)
+		}
+	}
+
+	unzipFolder, err := unzip(saved, C.Path.HomeDir())
+	if err != nil {
+		return fmt.Errorf("can't extract zip file: %w", err)
+	}
+
+	err = os.Rename(unzipFolder, ExternalUIFolder)
+	if err != nil {
+		return fmt.Errorf("can't rename folder: %w", err)
+	}
+	return nil
+}
+
+func prepare() error {
+	if ExternalUIPath == "" || ExternalUIURL == "" {
+		return ErrIncompleteConf
+	}
+
+	if ExternalUIName != "" {
+		ExternalUIFolder = filepath.Clean(path.Join(ExternalUIPath, ExternalUIName))
+		if _, err := os.Stat(ExternalUIPath); os.IsNotExist(err) {
+			if err := os.MkdirAll(ExternalUIPath, os.ModePerm); err != nil {
+				return err
+			}
+		}
+	} else {
+		ExternalUIFolder = ExternalUIPath
+	}
+
+	return nil
+}
+
+func unzip(src, dest string) (string, error) {
+	r, err := zip.OpenReader(src)
+	if err != nil {
+		return "", err
+	}
+	defer r.Close()
+	var extractedFolder string
+	for _, f := range r.File {
+		fpath := filepath.Join(dest, f.Name)
+		if !strings.HasPrefix(fpath, filepath.Clean(dest)+string(os.PathSeparator)) {
+			return "", fmt.Errorf("invalid file path: %s", fpath)
+		}
+		if f.FileInfo().IsDir() {
+			os.MkdirAll(fpath, os.ModePerm)
+			continue
+		}
+		if err = os.MkdirAll(filepath.Dir(fpath), os.ModePerm); err != nil {
+			return "", err
+		}
+		outFile, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
+		if err != nil {
+			return "", err
+		}
+		rc, err := f.Open()
+		if err != nil {
+			return "", err
+		}
+		_, err = io.Copy(outFile, rc)
+		outFile.Close()
+		rc.Close()
+		if err != nil {
+			return "", err
+		}
+		if extractedFolder == "" {
+			extractedFolder = filepath.Dir(fpath)
+		}
+	}
+	return extractedFolder, nil
+}
+
+func cleanup(root string) error {
+	if _, err := os.Stat(root); os.IsNotExist(err) {
+		return nil
+	}
+	return filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if info.IsDir() {
+			if err := os.RemoveAll(path); err != nil {
+				return err
+			}
+		} else {
+			if err := os.Remove(path); err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+}

config/utils.go

@@ -1,15 +1,37 @@
 package config
 
 import (
+	"context"
 	"fmt"
+	"io"
 	"net"
+	"net/http"
 	"net/netip"
+	"os"
 	"strings"
+	"time"
 
 	"github.com/Dreamacro/clash/adapter/outboundgroup"
 	"github.com/Dreamacro/clash/common/structure"
+	clashHttp "github.com/Dreamacro/clash/component/http"
 )
 
+func downloadForBytes(url string) ([]byte, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*90)
+	defer cancel()
+	resp, err := clashHttp.HttpRequest(ctx, url, http.MethodGet, http.Header{"User-Agent": {"clash"}}, nil)
+	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)
+}
+
 func trimArr(arr []string) (r []string) {
 	for _, e := range arr {
 		r = append(r, strings.Trim(e, " "))

constant/adapters.go

@@ -10,6 +10,7 @@ import (
 	"time"
 
 	N "github.com/Dreamacro/clash/common/net"
+	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/component/dialer"
 )
 
@@ -35,14 +36,16 @@ const (
 	Vless
 	Trojan
 	Hysteria
+	Hysteria2
 	WireGuard
 	Tuic
 )
 
 const (
-	DefaultTCPTimeout = 5 * time.Second
-	DefaultUDPTimeout = DefaultTCPTimeout
-	DefaultTLSTimeout = DefaultTCPTimeout
+	DefaultTCPTimeout           = 5 * time.Second
+	DefaultUDPTimeout           = DefaultTCPTimeout
+	DefaultTLSTimeout           = DefaultTCPTimeout
+	DefaultMaxHealthCheckUrlNum = 16
 )
 
 var ErrNotSupport = errors.New("no support")
@@ -132,7 +135,7 @@ type ProxyAdapter interface {
 }
 
 type Group interface {
-	URLTest(ctx context.Context, url string) (mp map[string]uint16, err error)
+	URLTest(ctx context.Context, url string, expectedStatus utils.IntRanges[uint16]) (mp map[string]uint16, err error)
 	GetProxies(touch bool) []Proxy
 	Touch()
 }
@@ -142,12 +145,23 @@ type DelayHistory struct {
 	Delay uint16    `json:"delay"`
 }
 
+type DelayHistoryStoreType int
+
+const (
+	OriginalHistory DelayHistoryStoreType = iota
+	ExtraHistory
+	DropHistory
+)
+
 type Proxy interface {
 	ProxyAdapter
 	Alive() bool
+	AliveForTestUrl(url string) bool
 	DelayHistory() []DelayHistory
+	ExtraDelayHistory() map[string][]DelayHistory
 	LastDelay() uint16
-	URLTest(ctx context.Context, url string) (uint16, error)
+	LastDelayForTestUrl(url string) uint16
+	URLTest(ctx context.Context, url string, expectedStatus utils.IntRanges[uint16], store DelayHistoryStoreType) (uint16, error)
 
 	// Deprecated: use DialContext instead.
 	Dial(metadata *Metadata) (Conn, error)
@@ -187,6 +201,8 @@ func (at AdapterType) String() string {
 		return "Trojan"
 	case Hysteria:
 		return "Hysteria"
+	case Hysteria2:
+		return "Hysteria2"
 	case WireGuard:
 		return "WireGuard"
 	case Tuic:
@@ -217,7 +233,7 @@ type UDPPacket interface {
 	// - variable source IP/Port is important to STUN
 	// - if addr is not provided, WriteBack will write out UDP packet with SourceIP/Port equals to original Target,
 	//   this is important when using Fake-IP.
-	WriteBack(b []byte, addr net.Addr) (n int, err error)
+	WriteBack
 
 	// Drop call after packet is used, could recycle buffer in this function.
 	Drop()
@@ -236,22 +252,35 @@ type PacketAdapter interface {
 	Metadata() *Metadata
 }
 
-type NatTable interface {
-	Set(key string, e PacketConn)
+type WriteBack interface {
+	WriteBack(b []byte, addr net.Addr) (n int, err error)
+}
 
-	Get(key string) PacketConn
+type WriteBackProxy interface {
+	WriteBack
+	UpdateWriteBack(wb WriteBack)
+}
+
+type NatTable interface {
+	Set(key string, e PacketConn, w WriteBackProxy)
+
+	Get(key string) (PacketConn, WriteBackProxy)
 
 	GetOrCreateLock(key string) (*sync.Cond, bool)
 
 	Delete(key string)
 
-	GetLocalConn(lAddr, rAddr string) *net.UDPConn
+	DeleteLock(key string)
 
-	AddLocalConn(lAddr, rAddr string, conn *net.UDPConn) bool
+	GetForLocalConn(lAddr, rAddr string) *net.UDPConn
 
-	RangeLocalConn(lAddr string, f func(key, value any) bool)
+	AddForLocalConn(lAddr, rAddr string, conn *net.UDPConn) bool
 
-	GetOrCreateLockForLocalConn(lAddr, key string) (*sync.Cond, bool)
+	RangeForLocalConn(lAddr string, f func(key string, value *net.UDPConn) bool)
 
-	DeleteLocalConnMap(lAddr, key string)
+	GetOrCreateLockForLocalConn(lAddr string, key string) (*sync.Cond, bool)
+
+	DeleteForLocalConn(lAddr, key string)
+
+	DeleteLockForLocalConn(lAddr, key string)
 }

constant/http.go

@@ -0,0 +1,5 @@
+package constant
+
+var (
+	UA string
+)

constant/metadata.go

@@ -30,6 +30,7 @@ const (
 	TUNNEL
 	TUN
 	TUIC
+	HYSTERIA2
 	INNER
 )
 
@@ -78,6 +79,8 @@ func (t Type) String() string {
 		return "Tun"
 	case TUIC:
 		return "Tuic"
+	case HYSTERIA2:
+		return "Hysteria2"
 	case INNER:
 		return "Inner"
 	default:
@@ -110,6 +113,8 @@ func ParseType(t string) (*Type, error) {
 		res = TUN
 	case "TUIC":
 		res = TUIC
+	case "HYSTERIA2":
+		res = HYSTERIA2
 	case "INNER":
 		res = INNER
 	default:
@@ -128,10 +133,10 @@ type Metadata struct {
 	Type         Type       `json:"type"`
 	SrcIP        netip.Addr `json:"sourceIP"`
 	DstIP        netip.Addr `json:"destinationIP"`
-	SrcPort      string     `json:"sourcePort"`
-	DstPort      string     `json:"destinationPort"`
+	SrcPort      uint16     `json:"sourcePort,string"`      // `,string` is used to compatible with old version json output
+	DstPort      uint16     `json:"destinationPort,string"` // `,string` is used to compatible with old version json output
 	InIP         netip.Addr `json:"inboundIP"`
-	InPort       string     `json:"inboundPort"`
+	InPort       uint16     `json:"inboundPort,string"` // `,string` is used to compatible with old version json output
 	InName       string     `json:"inboundName"`
 	InUser       string     `json:"inboundUser"`
 	Host         string     `json:"host"`
@@ -147,11 +152,11 @@ type Metadata struct {
 }
 
 func (m *Metadata) RemoteAddress() string {
-	return net.JoinHostPort(m.String(), m.DstPort)
+	return net.JoinHostPort(m.String(), strconv.FormatUint(uint64(m.DstPort), 10))
 }
 
 func (m *Metadata) SourceAddress() string {
-	return net.JoinHostPort(m.SrcIP.String(), m.SrcPort)
+	return net.JoinHostPort(m.SrcIP.String(), strconv.FormatUint(uint64(m.SrcPort), 10))
 }
 
 func (m *Metadata) SourceDetail() string {
@@ -171,6 +176,10 @@ func (m *Metadata) SourceDetail() string {
 	}
 }
 
+func (m *Metadata) SourceValid() bool {
+	return m.SrcPort != 0 && m.SrcIP.IsValid()
+}
+
 func (m *Metadata) AddrType() int {
 	switch true {
 	case m.Host != "" || !m.DstIP.IsValid():
@@ -207,8 +216,7 @@ func (m *Metadata) Pure() *Metadata {
 }
 
 func (m *Metadata) AddrPort() netip.AddrPort {
-	port, _ := strconv.ParseUint(m.DstPort, 10, 16)
-	return netip.AddrPortFrom(m.DstIP.Unmap(), uint16(port))
+	return netip.AddrPortFrom(m.DstIP.Unmap(), m.DstPort)
 }
 
 func (m *Metadata) UDPAddr() *net.UDPAddr {
@@ -238,6 +246,11 @@ func (m *Metadata) SetRemoteAddress(rawAddress string) error {
 		return err
 	}
 
+	var uint16Port uint16
+	if port, err := strconv.ParseUint(port, 10, 16); err == nil {
+		uint16Port = uint16(port)
+	}
+
 	if ip, err := netip.ParseAddr(host); err != nil {
 		m.Host = host
 		m.DstIP = netip.Addr{}
@@ -245,7 +258,7 @@ func (m *Metadata) SetRemoteAddress(rawAddress string) error {
 		m.Host = ""
 		m.DstIP = ip.Unmap()
 	}
-	m.DstPort = port
+	m.DstPort = uint16Port
 
 	return nil
 }

constant/path.go

@@ -1,9 +1,12 @@
 package constant
 
 import (
+	"crypto/md5"
+	"encoding/hex"
 	"os"
 	P "path"
 	"path/filepath"
+	"strconv"
 	"strings"
 )
 
@@ -20,14 +23,15 @@ var Path = func() *path {
 	if err != nil {
 		homeDir, _ = os.Getwd()
 	}
-
+	allowUnsafePath, _ := strconv.ParseBool(os.Getenv("SKIP_SAFE_PATH_CHECK"))
 	homeDir = P.Join(homeDir, ".config", Name)
-	return &path{homeDir: homeDir, configFile: "config.yaml"}
+	return &path{homeDir: homeDir, configFile: "config.yaml", allowUnsafePath: allowUnsafePath}
 }()
 
 type path struct {
-	homeDir    string
-	configFile string
+	homeDir         string
+	configFile      string
+	allowUnsafePath bool
 }
 
 // SetHomeDir is used to set the configuration path
@@ -56,6 +60,27 @@ func (p *path) Resolve(path string) string {
 	return path
 }
 
+// IsSafePath return true if path is a subpath of homedir
+func (p *path) IsSafePath(path string) bool {
+	if p.allowUnsafePath {
+		return true
+	}
+	homedir := p.HomeDir()
+	path = p.Resolve(path)
+	rel, err := filepath.Rel(homedir, path)
+	if err != nil {
+		return false
+	}
+
+	return !strings.Contains(rel, "..")
+}
+
+func (p *path) GetPathByHash(prefix, name string) string {
+	hash := md5.Sum([]byte(name))
+	filename := hex.EncodeToString(hash[:])
+	return filepath.Join(p.HomeDir(), prefix, filename)
+}
+
 func (p *path) MMDB() string {
 	files, err := os.ReadDir(p.homeDir)
 	if err != nil {
@@ -66,13 +91,15 @@ func (p *path) MMDB() string {
 			// 目录则直接跳过
 			continue
 		} else {
-			if strings.EqualFold(fi.Name(), "Country.mmdb") {
+			if strings.EqualFold(fi.Name(), "Country.mmdb") ||
+				strings.EqualFold(fi.Name(), "geoip.db") ||
+				strings.EqualFold(fi.Name(), "geoip.metadb") {
 				GeoipName = fi.Name()
 				return P.Join(p.homeDir, fi.Name())
 			}
 		}
 	}
-	return P.Join(p.homeDir, "Country.mmdb")
+	return P.Join(p.homeDir, "geoip.metadb")
 }
 
 func (p *path) OldCache() string {

constant/provider/interface.go

@@ -1,6 +1,7 @@
 package provider
 
 import (
+	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/constant"
 )
 
@@ -71,6 +72,7 @@ type ProxyProvider interface {
 	Touch()
 	HealthCheck()
 	Version() uint32
+	RegisterHealthCheckTask(url string, expectedStatus utils.IntRanges[uint16], filter string, interval uint)
 }
 
 // RuleProvider interface

constant/tun.go

@@ -10,12 +10,14 @@ var StackTypeMapping = map[string]TUNStack{
 	strings.ToLower(TunGvisor.String()): TunGvisor,
 	strings.ToLower(TunSystem.String()): TunSystem,
 	strings.ToLower(TunLWIP.String()):   TunLWIP,
+	strings.ToLower(TunMixed.String()):  TunMixed,
 }
 
 const (
 	TunGvisor TUNStack = iota
 	TunSystem
 	TunLWIP
+	TunMixed
 )
 
 type TUNStack int
@@ -64,6 +66,8 @@ func (e TUNStack) String() string {
 		return "System"
 	case TunLWIP:
 		return "LWIP"
+	case TunMixed:
+		return "Mixed"
 	default:
 		return "unknown"
 	}

dns/client.go

@@ -9,9 +9,9 @@ import (
 	"strings"
 
 	"github.com/Dreamacro/clash/common/atomic"
+	"github.com/Dreamacro/clash/component/ca"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/resolver"
-	tlsC "github.com/Dreamacro/clash/component/tls"
 	C "github.com/Dreamacro/clash/constant"
 
 	D "github.com/miekg/dns"
@@ -99,7 +99,7 @@ func (c *client) ExchangeContext(ctx context.Context, m *D.Msg) (*D.Msg, error)
 	ch := make(chan result, 1)
 	go func() {
 		if strings.HasSuffix(c.Client.Net, "tls") {
-			conn = tls.Client(conn, tlsC.GetGlobalTLSConfig(c.Client.TLSConfig))
+			conn = tls.Client(conn, ca.GetGlobalTLSConfig(c.Client.TLSConfig))
 		}
 
 		msg, _, err := c.Client.ExchangeWithConn(m, &D.Conn{

dns/dhcp.go

@@ -59,7 +59,8 @@ func (d *dhcpClient) ExchangeContext(ctx context.Context, m *D.Msg) (msg *D.Msg,
 		return nil, err
 	}
 
-	return batchExchange(ctx, clients, m)
+	msg, _, err = batchExchange(ctx, clients, m)
+	return
 }
 
 func (d *dhcpClient) resolve(ctx context.Context) ([]dnsClient, error) {

dns/doh.go

@@ -15,7 +15,7 @@ import (
 	"sync"
 	"time"
 
-	tlsC "github.com/Dreamacro/clash/component/tls"
+	"github.com/Dreamacro/clash/component/ca"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
 	"github.com/metacubex/quic-go"
@@ -382,7 +382,7 @@ func (doh *dnsOverHTTPS) createClient(ctx context.Context) (*http.Client, error)
 // HTTP3 is enabled in the upstream options).  If this attempt is successful,
 // it returns an HTTP3 transport, otherwise it returns the H1/H2 transport.
 func (doh *dnsOverHTTPS) createTransport(ctx context.Context) (t http.RoundTripper, err error) {
-	tlsConfig := tlsC.GetGlobalTLSConfig(
+	tlsConfig := ca.GetGlobalTLSConfig(
 		&tls.Config{
 			InsecureSkipVerify:     false,
 			MinVersion:             tls.VersionTLS12,
@@ -543,7 +543,17 @@ func (doh *dnsOverHTTPS) dialQuic(ctx context.Context, addr string, tlsCfg *tls.
 	if err != nil {
 		return nil, err
 	}
-	return quic.DialEarlyContext(ctx, conn, &udpAddr, doh.url.Host, tlsCfg, cfg)
+	transport := quic.Transport{Conn: conn}
+	transport.SetCreatedConn(true) // auto close conn
+	transport.SetSingleUse(true)   // auto close transport
+	tlsCfg = tlsCfg.Clone()
+	if host, _, err := net.SplitHostPort(doh.url.Host); err == nil {
+		tlsCfg.ServerName = host
+	} else {
+		// It's ok if net.SplitHostPort returns an error - it could be a hostname/IP address without a port.
+		tlsCfg.ServerName = doh.url.Host
+	}
+	return transport.DialEarly(ctx, &udpAddr, tlsCfg, cfg)
 }
 
 // probeH3 runs a test to check whether QUIC is faster than TLS for this