Revert "fix #322: add option general.find-process-mode, user can turn off findProcess feature in router"

fix #322: add option general.find-process-mode, user can turn off findProcess feature in router

.github/workflows/build.yaml

@@ -5,12 +5,14 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go
-        uses: actions/setup-go@v1
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v3
+      - name: Setup Go
+        uses: actions/setup-go@v3
         with:
-          go-version: 1.18
-      - name: Check out code
-        uses: actions/checkout@v1
+          go-version: '1.19'
+          check-latest: true
+          cache: true
       - name: Build
         run: make all
       - name: Release

.github/workflows/docker.yaml

@@ -1,11 +1,13 @@
 name: Docker
 
-on: [push]
-
+on:
+  push:
+    branches:
+      - Beta
+    tags:
+      - "v*"
 env:
   REGISTRY: docker.io
-  IMAGE_NAME: '{{ env.DOCKERHUB_ACCOUNT }}/{{ env.DOCKERHUB_REPO }}'
-
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -23,6 +25,8 @@ jobs:
 
       - name: Setup Docker buildx
         uses: docker/setup-buildx-action@v1
+        with:
+          version: latest
 
       # Extract metadata (tags, labels) for Docker
       # https://github.com/docker/metadata-action
@@ -30,15 +34,15 @@ jobs:
         id: meta
         uses: docker/metadata-action@v3
         with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          images: ${{ env.REGISTRY }}/${{ secrets.DOCKERHUB_ACCOUNT }}/${{secrets.DOCKERHUB_REPO}}
 
-      - name: Log into registry ${{ env.REGISTRY }}
+      - name: Log into registry
         if: github.event_name != 'pull_request'
         uses: docker/login-action@v1
         with:
           registry: ${{ env.REGISTRY }}
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
+          username: ${{ secrets.DOCKER_HUB_USER }}
+          password: ${{ secrets.DOCKER_HUB_TOKEN }}
 
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action
@@ -47,6 +51,7 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           context: .
+          file: ./Dockerfile
           push: ${{ github.event_name != 'pull_request' }}
           platforms: |
             linux/386

.github/workflows/prerelease.yml

@@ -1,5 +1,6 @@
-name: prerelease
+name: Prerelease
 on:
+  workflow_dispatch:
   push:
     branches:
       - Alpha
@@ -12,47 +13,41 @@ jobs:
   Build:
     runs-on: ubuntu-latest
     steps:
-      - name: Get latest go version
-        id: version
-        run: |
-          echo ::set-output name=go_version::$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g')
-      - name: Setup Go
-        uses: actions/setup-go@v2
-        with:
-          go-version: ${{ steps.version.outputs.go_version }}
-
       - name: Check out code into the Go module directory
         uses: actions/checkout@v3
 
-      - name: Cache go module
-        uses: actions/cache@v2
+      - name: Setup Go
+        uses: actions/setup-go@v3
         with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+          go-version: '1.19'
+          check-latest: true
+          cache: true
+
       - name: Test
-        if: ${{env.GITHUB_REF_NAME=='Beta'}}
+        if: ${{github.ref_name=='Beta'}}
         run: |
           go test ./...
+
       - name: Build
         if: success()
         env:
           NAME: Clash.Meta
           BINDIR: bin
-        run: make -j releases
+        run: make -j$(($(nproc) + 1)) releases
 
       - name: Delete current release assets
-        uses: andreaswilli/delete-release-assets-action@v2.0.0
+        uses: mknejp/delete-release-assets@v1
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          tag: ${{ env.GITHUB_REF_NAME }}
-          deleteOnlyFromDrafts: false
+          tag_name: Prerelease-${{ github.ref_name }}
+          assets: |
+              *.zip
+              *.gz
 
       - name: Tag Repo
-        uses: richardsimko/update-tag@v1
+        uses: richardsimko/update-tag@v1.0.6
         with:
-          tag_name: ${{env.GITHUB_REF_NAME}}
+          tag_name: Prerelease-${{ github.ref_name }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
@@ -60,8 +55,7 @@ jobs:
         uses: softprops/action-gh-release@v1
         if: ${{  success() }}
         with:
-          tag: ${{env.GITHUB_REF_NAME}}
-          tag_name: ${{env.GITHUB_REF_NAME}}
+          tag_name: Prerelease-${{ github.ref_name }}
           files: bin/*
           prerelease: true
           generate_release_notes: true

.github/workflows/release.yaml

@@ -1,4 +1,4 @@
-name: release-test
+name: Release
 on:
   push:
     tags:
@@ -7,24 +7,16 @@ jobs:
   Build:
     runs-on: ubuntu-latest
     steps:
-      - name: Get latest go version
-        id: version
-        run: |
-          echo ::set-output name=go_version::$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g')
-      - name: Setup Go
-        uses: actions/setup-go@v2
-        with:
-          go-version: ${{ steps.version.outputs.go_version }}
-
       - name: Check out code into the Go module directory
         uses: actions/checkout@v3
-      - name: Cache go module
-        uses: actions/cache@v2
+
+      - name: Setup Go
+        uses: actions/setup-go@v3
         with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+          go-version: '1.19'
+          check-latest: true
+          cache: true
+
       - name: Test
         run: |
           go test ./...
@@ -33,23 +25,9 @@ jobs:
         env:
           NAME: Clash.Meta
           BINDIR: bin
-        run: make -j releases
+        run: make -j$(($(nproc) + 1)) releases
 
-      - name: Delete current release assets
-        uses: andreaswilli/delete-release-assets-action@v2.0.0
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          tag: beta
-          deleteOnlyFromDrafts: false
-
-      - name: Tag Repo
-        uses: richardsimko/update-tag@v1
-        with:
-          tag_name: beta
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Upload Alpha
+      - name: Upload Release
         uses: softprops/action-gh-release@v1
         if: ${{ success() && startsWith(github.ref, 'refs/tags/')}}
         with:

.golangci.yaml

@@ -8,9 +8,10 @@ linters:
 
 linters-settings:
   gci:
+    custom-order: true
     sections:
       - standard
       - prefix(github.com/Dreamacro/clash)
       - default
   staticcheck:
-    go: '1.18'
+    go: '1.19'

Dockerfile

@@ -1,41 +1,26 @@
 FROM golang:alpine as builder
 
-ARG TARGETOS
-ARG TARGETARCH
-
 RUN apk add --no-cache make git && \
     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
 
-WORKDIR /clash-src
+
 COPY . /clash-src
-RUN go mod download
-RUN /bin/ash -c 'set -ex && \
-    if [ "$TARGETARCH" == "amd64" ]; then \
-       GOOS=$TARGETOS GOARCH=$TARGETARCH GOAMD64=v1 make docker && \
-       mv ./bin/Clash.Meta-docker ./bin/clash-amd64v1 && \
-       GOOS=$TARGETOS GOARCH=$TARGETARCH GOAMD64=v2 make docker && \
-       mv ./bin/Clash.Meta-docker ./bin/clash-amd64v2 && \
-       GOOS=$TARGETOS GOARCH=$TARGETARCH GOAMD64=v3 make docker && \
-       mv ./bin/Clash.Meta-docker ./bin/clash-amd64v3 && \
-       ln -s clash-amd64v3 ./bin/clash-amd64v4 && \
-       mv check_amd64.sh ./bin/ && \
-       printf "#!/bin/sh\\nsh ./check_amd64.sh\\nexec ./clash-amd64v\$? \$@" > ./bin/clash && \
-       chmod +x ./bin/check_amd64.sh ./bin/clash; \
-    else \
-       GOOS=$TARGETOS GOARCH=$TARGETARCH make docker && \
-       mv ./bin/Clash.Meta-docker ./bin/clash; \
-    fi'
+WORKDIR /clash-src
+RUN go mod download &&\
+    make docker &&\
+    mv ./bin/Clash.Meta-docker /clash
+
 FROM alpine:latest
 LABEL org.opencontainers.image.source="https://github.com/MetaCubeX/Clash.Meta"
 
-RUN apk add --no-cache ca-certificates tzdata
+RUN apk add --no-cache ca-certificates tzdata iptables
 
 VOLUME ["/root/.config/clash/"]
-EXPOSE 7890/tcp
 
 COPY --from=builder /clash-config/ /root/.config/clash/
-COPY --from=builder /clash-src/bin/ /
-ENTRYPOINT [ "/clash" ]
+COPY --from=builder /clash /clash
+RUN chmod +x /clash
+ENTRYPOINT [ "/clash" ]

Makefile

@@ -1,20 +1,26 @@
 NAME=Clash.Meta
 BINDIR=bin
-BRANCH=$(shell git rev-parse --abbrev-ref HEAD)
+BRANCH=$(shell git branch --show-current)
+ifeq ($(BRANCH),Alpha)
 VERSION=alpha-$(shell git rev-parse --short HEAD)
+else ifeq ($(BRANCH),Beta)
+VERSION=beta-$(shell git rev-parse --short HEAD)
+else ifeq ($(BRANCH),)
+VERSION=$(shell git describe --tags)
+else
+VERSION=$(shell git rev-parse --short HEAD)
+endif
+
 BUILDTIME=$(shell date -u)
-GOBUILD=CGO_ENABLED=0 go build -trimpath -ldflags '-X "github.com/Dreamacro/clash/constant.Version=$(VERSION)" \
+GOBUILD=CGO_ENABLED=0 go build -tags with_gvisor -trimpath -ldflags '-X "github.com/Dreamacro/clash/constant.Version=$(VERSION)" \
 		-X "github.com/Dreamacro/clash/constant.BuildTime=$(BUILDTIME)" \
 		-w -s -buildid='
 
 PLATFORM_LIST = \
-	darwin-amd64v1 \
-	darwin-amd64v2 \
-	darwin-amd64v3 \
+	darwin-amd64 \
 	darwin-arm64 \
-	linux-amd64v1 \
-	linux-amd64v2 \
-	linux-amd64v3 \
+	linux-amd64-compatible \
+	linux-amd64 \
 	linux-armv5 \
 	linux-armv6 \
 	linux-armv7 \
@@ -32,9 +38,8 @@ PLATFORM_LIST = \
 
 WINDOWS_ARCH_LIST = \
 	windows-386 \
-	windows-amd64v1 \
-	windows-amd64v2 \
-	windows-amd64v3 \
+	windows-amd64-compatible \
+	windows-amd64 \
 	windows-arm64 \
     windows-arm32v7
 
@@ -43,32 +48,26 @@ all:linux-amd64 linux-arm64\
  	windows-amd64 windows-arm64\
 
 docker:
-	$(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+	GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-darwin-amd64v3:
+darwin-amd64:
 	GOARCH=amd64 GOOS=darwin GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-darwin-amd64v2:
+darwin-amd64-compatible:
 	GOARCH=amd64 GOOS=darwin GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-darwin-amd64v1:
-	GOARCH=amd64 GOOS=darwin GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
-
 darwin-arm64:
 	GOARCH=arm64 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
 linux-386:
 	GOARCH=386 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-linux-amd64v3:
+linux-amd64:
 	GOARCH=amd64 GOOS=linux GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-linux-amd64v2:
+linux-amd64-compatible:
 	GOARCH=amd64 GOOS=linux GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
-linux-amd64v1:
-	GOARCH=amd64 GOOS=linux GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
-
 linux-arm64:
 	GOARCH=arm64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
@@ -114,15 +113,12 @@ freebsd-arm64:
 windows-386:
 	GOARCH=386 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
-windows-amd64v3:
+windows-amd64:
 	GOARCH=amd64 GOOS=windows GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
-windows-amd64v2:
+windows-amd64-compatible:
 	GOARCH=amd64 GOOS=windows GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
-windows-amd64v1:
-	GOARCH=amd64 GOOS=windows GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
-
 windows-arm64:
 	GOARCH=arm64 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
@@ -151,3 +147,11 @@ lint:
 
 clean:
 	rm $(BINDIR)/*
+
+CLANG ?= clang-14
+CFLAGS := -O2 -g -Wall -Werror $(CFLAGS)
+
+ebpf: export BPF_CLANG := $(CLANG)
+ebpf: export BPF_CFLAGS := $(CFLAGS)
+ebpf:
+	cd component/ebpf/ && go generate ./...

README.md

@@ -34,6 +34,26 @@ Documentations are now moved to [GitHub Wiki](https://github.com/Dreamacro/clash
 
 ## Advanced usage for this branch
 
+## Build
+
+You should install [golang](https://go.dev) first.
+
+Then get the source code of Clash.Meta:
+```shell
+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:
+```shell
+go env -w GOPROXY=https://goproxy.io,direct
+```
+
+So now you can build it:
+```shell
+go build
+```
+
 ### DNS configuration
 
 Support `geosite` with `fallback-filter`.
@@ -212,6 +232,43 @@ proxies:
       grpc-service-name: grpcname
 ```
 
+
+Support outbound transport protocol `Wireguard`
+```yaml
+proxies:
+  - name: "wg"
+    type: wireguard
+    server: 162.159.192.1
+    port: 2480
+    ip: 172.16.0.2
+    ipv6: fd01:5ca1:ab1e:80fa:ab85:6eea:213f:f4a5
+    private-key: eCtXsJZ27+4PbhDkHnB923tkUn2Gj59wZw5wFA75MnU=
+    public-key: Cr8hWlKvtDt7nrvf+f0brNQQzabAqrjfBvas9pmowjo=
+    udp: true
+```
+
+Support outbound transport protocol `Tuic`
+```yaml
+proxies:
+  - name: "tuic"
+    server: www.example.com
+    port: 10443
+    type: tuic
+    token: TOKEN
+    # ip: 127.0.0.1 # for overwriting the DNS lookup result of the server address set in option 'server'
+    # heartbeat-interval: 10000
+    # alpn: [h3]
+    # disable-sni: true
+    reduce-rtt: true
+    # request-timeout: 8000
+    udp-relay-mode: native # Available: "native", "quic". Default: "native"
+    # congestion-controller: bbr # Available: "cubic", "new_reno", "bbr". Default: "cubic"
+    # max-udp-relay-packet-size: 1500
+    # fast-open: true
+    # skip-cert-verify: true
+
+```
+
 ### IPTABLES configuration
 Work on Linux OS who's supported `iptables`
 
@@ -251,8 +308,8 @@ User=clash-meta
 Group=clash-meta
 LimitNPROC=500
 LimitNOFILE=1000000
-CapabilityBoundingSet=cap_net_admin
-AmbientCapabilities=cap_net_admin
+CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_RAW CAP_NET_BIND_SERVICE
+AmbientCapabilities=CAP_NET_ADMIN CAP_NET_RAW CAP_NET_BIND_SERVICE
 Restart=always
 ExecStartPre=/usr/bin/sleep 1s
 ExecStart=/usr/local/bin/Clash-Meta -d /etc/Clash-Meta
@@ -274,7 +331,7 @@ $ systemctl start Clash-Meta
 
 Clash add field `Process` to `Metadata` and prepare to get process name for Restful API `GET /connections`.
 
-To display process name in GUI please use [Dashboard For Meta](https://github.com/Clash-Mini/Dashboard).
+To display process name in GUI please use [Dashboard For Meta](https://github.com/MetaCubeX/clash-dashboard).
 
 ![img.png](https://github.com/Clash-Mini/Dashboard/raw/master/View/Dashboard-Process.png)
 
@@ -286,6 +343,7 @@ the [GitHub Wiki](https://github.com/Dreamacro/clash/wiki/use-clash-as-a-library
 ## Credits
 
 * [Dreamacro/clash](https://github.com/Dreamacro/clash)
+* [SagerNet/sing-box](https://github.com/SagerNet/sing-box)
 * [riobard/go-shadowsocks2](https://github.com/riobard/go-shadowsocks2)
 * [v2ray/v2ray-core](https://github.com/v2ray/v2ray-core)
 * [WireGuard/wireguard-go](https://github.com/WireGuard/wireguard-go)

adapter/adapter.go

@@ -4,17 +4,15 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"github.com/Dreamacro/clash/common/queue"
+	"github.com/Dreamacro/clash/component/dialer"
+	C "github.com/Dreamacro/clash/constant"
 	"net"
 	"net/http"
 	"net/netip"
 	"net/url"
-	"strings"
 	"time"
 
-	"github.com/Dreamacro/clash/common/queue"
-	"github.com/Dreamacro/clash/component/dialer"
-	C "github.com/Dreamacro/clash/constant"
-
 	"go.uber.org/atomic"
 )
 
@@ -41,11 +39,6 @@ func (p *Proxy) Dial(metadata *C.Metadata) (C.Conn, error) {
 // DialContext implements C.ProxyAdapter
 func (p *Proxy) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
 	conn, err := p.ProxyAdapter.DialContext(ctx, metadata, opts...)
-	wasCancel := false
-	if err != nil {
-		wasCancel = strings.Contains(err.Error(), "operation was canceled")
-	}
-	p.alive.Store(err == nil || wasCancel)
 	return conn, err
 }
 
@@ -59,7 +52,6 @@ func (p *Proxy) DialUDP(metadata *C.Metadata) (C.PacketConn, error) {
 // ListenPacketContext implements C.ProxyAdapter
 func (p *Proxy) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
 	pc, err := p.ProxyAdapter.ListenPacketContext(ctx, metadata, opts...)
-	p.alive.Store(err == nil)
 	return pc, err
 }
 
@@ -100,6 +92,7 @@ func (p *Proxy) MarshalJSON() ([]byte, error) {
 	mapping["history"] = p.DelayHistory()
 	mapping["name"] = p.Name()
 	mapping["udp"] = p.SupportUDP()
+	mapping["tfo"] = p.SupportTFO()
 	return json.Marshal(mapping)
 }
 
@@ -152,25 +145,32 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
 	}
 
 	client := http.Client{
+		Timeout:   30 * time.Second,
 		Transport: transport,
 		CheckRedirect: func(req *http.Request, via []*http.Request) error {
 			return http.ErrUseLastResponse
 		},
 	}
+
 	defer client.CloseIdleConnections()
+
 	resp, err := client.Do(req)
+
 	if err != nil {
 		return
 	}
 
+	_ = resp.Body.Close()
+
 	if unifiedDelay {
-		start = time.Now()
+		second := time.Now()
 		resp, err = client.Do(req)
-		if err != nil {
-			return
+		if err == nil {
+			_ = resp.Body.Close()
+			start = second
 		}
 	}
-	_ = resp.Body.Close()
+
 	t = uint16(time.Since(start) / time.Millisecond)
 	return
 }
@@ -199,10 +199,9 @@ func urlToMetadata(rawURL string) (addr C.Metadata, err error) {
 	}
 
 	addr = C.Metadata{
-		AddrType: C.AtypDomainName,
-		Host:     u.Hostname(),
-		DstIP:    netip.Addr{},
-		DstPort:  port,
+		Host:    u.Hostname(),
+		DstIP:   netip.Addr{},
+		DstPort: port,
 	}
 	return
 }

adapter/inbound/addition.go

@@ -0,0 +1,29 @@
+package inbound
+
+import (
+	C "github.com/Dreamacro/clash/constant"
+)
+
+type Addition func(metadata *C.Metadata)
+
+func (a Addition) Apply(metadata *C.Metadata) {
+	a(metadata)
+}
+
+func WithInName(name string) Addition {
+	return func(metadata *C.Metadata) {
+		metadata.InName = name
+	}
+}
+
+func WithSpecialRules(specialRules string) Addition {
+	return func(metadata *C.Metadata) {
+		metadata.SpecialRules = specialRules
+	}
+}
+
+func WithSpecialProxy(specialProxy string) Addition {
+	return func(metadata *C.Metadata) {
+		metadata.SpecialProxy = specialProxy
+	}
+}

adapter/inbound/http.go

@@ -9,13 +9,20 @@ import (
 )
 
 // NewHTTP receive normal http request and return HTTPContext
-func NewHTTP(target socks5.Addr, source net.Addr, conn net.Conn) *context.ConnContext {
+func NewHTTP(target socks5.Addr, source net.Addr, conn net.Conn, additions ...Addition) *context.ConnContext {
 	metadata := parseSocksAddr(target)
 	metadata.NetWork = C.TCP
 	metadata.Type = C.HTTP
+	for _, addition := range additions {
+		addition.Apply(metadata)
+	}
 	if ip, port, err := parseAddr(source.String()); err == nil {
 		metadata.SrcIP = ip
 		metadata.SrcPort = port
 	}
+	if ip, port, err := parseAddr(conn.LocalAddr().String()); err == nil {
+		metadata.InIP = ip
+		metadata.InPort = port
+	}
 	return context.NewConnContext(conn, metadata)
 }

adapter/inbound/https.go

@@ -9,12 +9,19 @@ import (
 )
 
 // NewHTTPS receive CONNECT request and return ConnContext
-func NewHTTPS(request *http.Request, conn net.Conn) *context.ConnContext {
+func NewHTTPS(request *http.Request, conn net.Conn, additions ...Addition) *context.ConnContext {
 	metadata := parseHTTPAddr(request)
-	metadata.Type = C.HTTPCONNECT
+	metadata.Type = C.HTTPS
+	for _, addition := range additions {
+		addition.Apply(metadata)
+	}
 	if ip, port, err := parseAddr(conn.RemoteAddr().String()); err == nil {
 		metadata.SrcIP = ip
 		metadata.SrcPort = port
 	}
+	if ip, port, err := parseAddr(conn.LocalAddr().String()); err == nil {
+		metadata.InIP = ip
+		metadata.InPort = port
+	}
 	return context.NewConnContext(conn, metadata)
 }

adapter/inbound/listen.go

@@ -0,0 +1,26 @@
+package inbound
+
+import (
+	"context"
+	"net"
+
+	"github.com/database64128/tfo-go/v2"
+)
+
+var (
+	lc = tfo.ListenConfig{
+		DisableTFO: true,
+	}
+)
+
+func SetTfo(open bool) {
+	lc.DisableTFO = !open
+}
+
+func ListenContext(ctx context.Context, network, address string) (net.Listener, error) {
+	return lc.Listen(ctx, network, address)
+}
+
+func Listen(network, address string) (net.Listener, error) {
+	return ListenContext(context.Background(), network, address)
+}

adapter/inbound/packet.go

@@ -17,17 +17,26 @@ func (s *PacketAdapter) Metadata() *C.Metadata {
 }
 
 // NewPacket is PacketAdapter generator
-func NewPacket(target socks5.Addr, packet C.UDPPacket, source C.Type) *PacketAdapter {
+func NewPacket(target socks5.Addr, packet C.UDPPacket, source C.Type, additions ...Addition) C.PacketAdapter {
 	metadata := parseSocksAddr(target)
 	metadata.NetWork = C.UDP
 	metadata.Type = source
+	for _, addition := range additions {
+		addition.Apply(metadata)
+	}
 	if ip, port, err := parseAddr(packet.LocalAddr().String()); err == nil {
 		metadata.SrcIP = ip
 		metadata.SrcPort = port
 	}
+	if p, ok := packet.(C.UDPPacketInAddr); ok {
+		if ip, port, err := parseAddr(p.InAddr().String()); err == nil {
+			metadata.InIP = ip
+			metadata.InPort = port
+		}
+	}
 
 	return &PacketAdapter{
-		UDPPacket: packet,
-		metadata:  metadata,
+		packet,
+		metadata,
 	}
 }

adapter/inbound/socket.go

@@ -10,11 +10,16 @@ import (
 )
 
 // NewSocket receive TCP inbound and return ConnContext
-func NewSocket(target socks5.Addr, conn net.Conn, source C.Type) *context.ConnContext {
+func NewSocket(target socks5.Addr, conn net.Conn, source C.Type, additions ...Addition) *context.ConnContext {
 	metadata := parseSocksAddr(target)
 	metadata.NetWork = C.TCP
 	metadata.Type = source
+	for _, addition := range additions {
+		addition.Apply(metadata)
+	}
+
 	remoteAddr := conn.RemoteAddr()
+
 	// Filter when net.Addr interface is nil
 	if remoteAddr != nil {
 		if ip, port, err := parseAddr(remoteAddr.String()); err == nil {
@@ -22,6 +27,14 @@ func NewSocket(target socks5.Addr, conn net.Conn, source C.Type) *context.ConnCo
 			metadata.SrcPort = port
 		}
 	}
+	localAddr := conn.LocalAddr()
+	// Filter when net.Addr interface is nil
+	if localAddr != nil {
+		if ip, port, err := parseAddr(localAddr.String()); err == nil {
+			metadata.InIP = ip
+			metadata.InPort = port
+		}
+	}
 
 	return context.NewConnContext(conn, metadata)
 }
@@ -32,17 +45,12 @@ func NewInner(conn net.Conn, dst string, host string) *context.ConnContext {
 	metadata.Type = C.INNER
 	metadata.DNSMode = C.DNSMapping
 	metadata.Host = host
-	metadata.AddrType = C.AtypDomainName
 	metadata.Process = C.ClashName
 	if h, port, err := net.SplitHostPort(dst); err == nil {
 		metadata.DstPort = port
 		if host == "" {
 			if ip, err := netip.ParseAddr(h); err == nil {
 				metadata.DstIP = ip
-				metadata.AddrType = C.AtypIPv4
-				if ip.Is6() {
-					metadata.AddrType = C.AtypIPv6
-				}
 			}
 		}
 	}

adapter/inbound/util.go

@@ -1,21 +1,19 @@
 package inbound
 
 import (
+	"github.com/Dreamacro/clash/common/nnip"
 	"net"
 	"net/http"
 	"net/netip"
 	"strconv"
 	"strings"
 
-	"github.com/Dreamacro/clash/common/nnip"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/socks5"
 )
 
 func parseSocksAddr(target socks5.Addr) *C.Metadata {
-	metadata := &C.Metadata{
-		AddrType: int(target[0]),
-	}
+	metadata := &C.Metadata{}
 
 	switch target[0] {
 	case socks5.AtypDomainName:
@@ -26,7 +24,8 @@ func parseSocksAddr(target socks5.Addr) *C.Metadata {
 		metadata.DstIP = nnip.IpToAddr(net.IP(target[1 : 1+net.IPv4len]))
 		metadata.DstPort = strconv.Itoa((int(target[1+net.IPv4len]) << 8) | int(target[1+net.IPv4len+1]))
 	case socks5.AtypIPv6:
-		metadata.DstIP = nnip.IpToAddr(net.IP(target[1 : 1+net.IPv6len]))
+		ip6, _ := netip.AddrFromSlice(target[1 : 1+net.IPv6len])
+		metadata.DstIP = ip6.Unmap()
 		metadata.DstPort = strconv.Itoa((int(target[1+net.IPv6len]) << 8) | int(target[1+net.IPv6len+1]))
 	}
 
@@ -44,21 +43,14 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
 	host = strings.TrimRight(host, ".")
 
 	metadata := &C.Metadata{
-		NetWork:  C.TCP,
-		AddrType: C.AtypDomainName,
-		Host:     host,
-		DstIP:    netip.Addr{},
-		DstPort:  port,
+		NetWork: C.TCP,
+		Host:    host,
+		DstIP:   netip.Addr{},
+		DstPort: port,
 	}
 
 	ip, err := netip.ParseAddr(host)
 	if err == nil {
-		switch {
-		case ip.Is6():
-			metadata.AddrType = C.AtypIPv6
-		default:
-			metadata.AddrType = C.AtypIPv4
-		}
 		metadata.DstIP = ip
 	}
 

adapter/outbound/base.go

@@ -2,24 +2,26 @@ package outbound
 
 import (
 	"context"
-	"crypto/sha1"
-	"encoding/hex"
 	"encoding/json"
 	"errors"
+	"github.com/gofrs/uuid"
 	"net"
-	"regexp"
+	"strings"
 
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 )
 
 type Base struct {
-	name  string
-	addr  string
-	iface string
-	tp    C.AdapterType
-	udp   bool
-	rmark int
+	name   string
+	addr   string
+	iface  string
+	tp     C.AdapterType
+	udp    bool
+	tfo    bool
+	rmark  int
+	id     string
+	prefer C.DNSPrefer
 }
 
 // Name implements C.ProxyAdapter
@@ -27,6 +29,20 @@ func (b *Base) Name() string {
 	return b.name
 }
 
+// Id implements C.ProxyAdapter
+func (b *Base) Id() string {
+	if b.id == "" {
+		id, err := uuid.NewV6()
+		if err != nil {
+			b.id = b.name
+		} else {
+			b.id = id.String()
+		}
+	}
+
+	return b.id
+}
+
 // Type implements C.ProxyAdapter
 func (b *Base) Type() C.AdapterType {
 	return b.tp
@@ -37,16 +53,30 @@ func (b *Base) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	return c, errors.New("no support")
 }
 
+func (b *Base) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
+	return nil, errors.New("no support")
+}
+
+// DialContextWithDialer implements C.ProxyAdapter
+func (b *Base) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
+	return nil, errors.New("no support")
+}
+
 // ListenPacketContext implements C.ProxyAdapter
 func (b *Base) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
 	return nil, errors.New("no support")
 }
 
-// ListenPacketOnStreamConn implements C.ProxyAdapter
-func (b *Base) ListenPacketOnStreamConn(c net.Conn, metadata *C.Metadata) (_ C.PacketConn, err error) {
+// ListenPacketWithDialer implements C.ProxyAdapter
+func (b *Base) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
 	return nil, errors.New("no support")
 }
 
+// SupportWithDialer implements C.ProxyAdapter
+func (b *Base) SupportWithDialer() bool {
+	return false
+}
+
 // SupportUOT implements C.ProxyAdapter
 func (b *Base) SupportUOT() bool {
 	return false
@@ -57,10 +87,16 @@ func (b *Base) SupportUDP() bool {
 	return b.udp
 }
 
+// SupportTFO implements C.ProxyAdapter
+func (b *Base) SupportTFO() bool {
+	return b.tfo
+}
+
 // MarshalJSON implements C.ProxyAdapter
 func (b *Base) MarshalJSON() ([]byte, error) {
 	return json.Marshal(map[string]string{
 		"type": b.Type().String(),
+		"id":   b.Id(),
 	})
 }
 
@@ -70,7 +106,7 @@ func (b *Base) Addr() string {
 }
 
 // Unwrap implements C.ProxyAdapter
-func (b *Base) Unwrap(metadata *C.Metadata) C.Proxy {
+func (b *Base) Unwrap(metadata *C.Metadata, touch bool) C.Proxy {
 	return nil
 }
 
@@ -84,12 +120,25 @@ func (b *Base) DialOptions(opts ...dialer.Option) []dialer.Option {
 		opts = append(opts, dialer.WithRoutingMark(b.rmark))
 	}
 
+	switch b.prefer {
+	case C.IPv4Only:
+		opts = append(opts, dialer.WithOnlySingleStack(true))
+	case C.IPv6Only:
+		opts = append(opts, dialer.WithOnlySingleStack(false))
+	case C.IPv4Prefer:
+		opts = append(opts, dialer.WithPreferIPv4())
+	case C.IPv6Prefer:
+		opts = append(opts, dialer.WithPreferIPv6())
+	default:
+	}
+
 	return opts
 }
 
 type BasicOption struct {
 	Interface   string `proxy:"interface-name,omitempty" group:"interface-name,omitempty"`
 	RoutingMark int    `proxy:"routing-mark,omitempty" group:"routing-mark,omitempty"`
+	IPVersion   string `proxy:"ip-version,omitempty" group:"ip-version,omitempty"`
 }
 
 type BaseOption struct {
@@ -97,24 +146,33 @@ type BaseOption struct {
 	Addr        string
 	Type        C.AdapterType
 	UDP         bool
+	TFO         bool
 	Interface   string
 	RoutingMark int
+	Prefer      C.DNSPrefer
 }
 
 func NewBase(opt BaseOption) *Base {
 	return &Base{
-		name:  opt.Name,
-		addr:  opt.Addr,
-		tp:    opt.Type,
-		udp:   opt.UDP,
-		iface: opt.Interface,
-		rmark: opt.RoutingMark,
+		name:   opt.Name,
+		addr:   opt.Addr,
+		tp:     opt.Type,
+		udp:    opt.UDP,
+		tfo:    opt.TFO,
+		iface:  opt.Interface,
+		rmark:  opt.RoutingMark,
+		prefer: opt.Prefer,
 	}
 }
 
 type conn struct {
 	net.Conn
-	chain C.Chain
+	chain                   C.Chain
+	actualRemoteDestination string
+}
+
+func (c *conn) RemoteDestination() string {
+	return c.actualRemoteDestination
 }
 
 // Chains implements C.Connection
@@ -128,12 +186,17 @@ func (c *conn) AppendToChains(a C.ProxyAdapter) {
 }
 
 func NewConn(c net.Conn, a C.ProxyAdapter) C.Conn {
-	return &conn{c, []string{a.Name()}}
+	return &conn{c, []string{a.Name()}, parseRemoteDestination(a.Addr())}
 }
 
 type packetConn struct {
 	net.PacketConn
-	chain C.Chain
+	chain                   C.Chain
+	actualRemoteDestination string
+}
+
+func (c *packetConn) RemoteDestination() string {
+	return c.actualRemoteDestination
 }
 
 // Chains implements C.Connection
@@ -147,30 +210,17 @@ func (c *packetConn) AppendToChains(a C.ProxyAdapter) {
 }
 
 func newPacketConn(pc net.PacketConn, a C.ProxyAdapter) C.PacketConn {
-	return &packetConn{pc, []string{a.Name()}}
+	return &packetConn{pc, []string{a.Name()}, parseRemoteDestination(a.Addr())}
 }
 
-func uuidMap(str string) string {
-	match, _ := regexp.MatchString(`[\da-f]{8}(-[\da-f]{4}){3}-[\da-f]{12}$`, str)
-	if !match {
-		var Nil [16]byte
-		h := sha1.New()
-		h.Write(Nil[:])
-		h.Write([]byte(str))
-		u := h.Sum(nil)[:16]
-		u[6] = (u[6] & 0x0f) | (5 << 4)
-		u[8] = u[8]&(0xff>>2) | (0x02 << 6)
-		buf := make([]byte, 36)
-		hex.Encode(buf[0:8], u[0:4])
-		buf[8] = '-'
-		hex.Encode(buf[9:13], u[4:6])
-		buf[13] = '-'
-		hex.Encode(buf[14:18], u[6:8])
-		buf[18] = '-'
-		hex.Encode(buf[19:23], u[8:10])
-		buf[23] = '-'
-		hex.Encode(buf[24:], u[10:])
-		return string(buf)
+func parseRemoteDestination(addr string) string {
+	if dst, _, err := net.SplitHostPort(addr); err == nil {
+		return dst
+	} else {
+		if addrError, ok := err.(*net.AddrError); ok && strings.Contains(addrError.Err, "missing port") {
+			return dst
+		} else {
+			return ""
+		}
 	}
-	return str
 }

adapter/outbound/direct.go

@@ -5,6 +5,7 @@ import (
 	"net"
 
 	"github.com/Dreamacro/clash/component/dialer"
+	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
 )
 
@@ -14,7 +15,7 @@ type Direct struct {
 
 // DialContext implements C.ProxyAdapter
 func (d *Direct) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
-	opts = append(opts, dialer.WithDirect())
+	opts = append(opts, dialer.WithResolver(resolver.DefaultResolver))
 	c, err := dialer.DialContext(ctx, "tcp", metadata.RemoteAddress(), d.Base.DialOptions(opts...)...)
 	if err != nil {
 		return nil, err
@@ -25,8 +26,8 @@ func (d *Direct) DialContext(ctx context.Context, metadata *C.Metadata, opts ...
 
 // ListenPacketContext implements C.ProxyAdapter
 func (d *Direct) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
-	opts = append(opts, dialer.WithDirect())
-	pc, err := dialer.ListenPacket(ctx, "udp", "", d.Base.DialOptions(opts...)...)
+	opts = append(opts, dialer.WithResolver(resolver.DefaultResolver))
+	pc, err := dialer.ListenPacket(ctx, dialer.ParseNetwork("udp", metadata.DstIP), "", d.Base.DialOptions(opts...)...)
 	if err != nil {
 		return nil, err
 	}
@@ -40,9 +41,10 @@ type directPacketConn struct {
 func NewDirect() *Direct {
 	return &Direct{
 		Base: &Base{
-			name: "DIRECT",
-			tp:   C.Direct,
-			udp:  true,
+			name:   "DIRECT",
+			tp:     C.Direct,
+			udp:    true,
+			prefer: C.DualStack,
 		},
 	}
 }
@@ -50,19 +52,10 @@ func NewDirect() *Direct {
 func NewCompatible() *Direct {
 	return &Direct{
 		Base: &Base{
-			name: "COMPATIBLE",
-			tp:   C.Compatible,
-			udp:  true,
-		},
-	}
-}
-
-func NewPass() *Direct {
-	return &Direct{
-		Base: &Base{
-			name: "PASS",
-			tp:   C.Pass,
-			udp:  true,
+			name:   "COMPATIBLE",
+			tp:     C.Compatible,
+			udp:    true,
+			prefer: C.DualStack,
 		},
 	}
 }

adapter/outbound/http.go

@@ -7,6 +7,7 @@ import (
 	"encoding/base64"
 	"errors"
 	"fmt"
+	tlsC "github.com/Dreamacro/clash/component/tls"
 	"io"
 	"net"
 	"net/http"
@@ -35,6 +36,7 @@ type HttpOption struct {
 	TLS            bool              `proxy:"tls,omitempty"`
 	SNI            string            `proxy:"sni,omitempty"`
 	SkipCertVerify bool              `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint    string            `proxy:"fingerprint,omitempty"`
 	Headers        map[string]string `proxy:"headers,omitempty"`
 }
 
@@ -42,7 +44,9 @@ type HttpOption struct {
 func (h *Http) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	if h.tlsConfig != nil {
 		cc := tls.Client(c, h.tlsConfig)
-		err := cc.Handshake()
+		ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTLSTimeout)
+		defer cancel()
+		err := cc.HandshakeContext(ctx)
 		c = cc
 		if err != nil {
 			return nil, fmt.Errorf("%s connect error: %w", h.addr, err)
@@ -57,13 +61,20 @@ func (h *Http) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 
 // DialContext implements C.ProxyAdapter
 func (h *Http) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
-	c, err := dialer.DialContext(ctx, "tcp", h.addr, h.Base.DialOptions(opts...)...)
+	return h.DialContextWithDialer(ctx, dialer.NewDialer(h.Base.DialOptions(opts...)...), metadata)
+}
+
+// DialContextWithDialer implements C.ProxyAdapter
+func (h *Http) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
+	c, err := dialer.DialContext(ctx, "tcp", h.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", h.addr, err)
 	}
 	tcpKeepAlive(c)
 
-	defer safeConnClose(c, err)
+	defer func(c net.Conn) {
+		safeConnClose(c, err)
+	}(c)
 
 	c, err = h.StreamConn(c, metadata)
 	if err != nil {
@@ -73,6 +84,11 @@ func (h *Http) DialContext(ctx context.Context, metadata *C.Metadata, opts ...di
 	return NewConn(c, h), nil
 }
 
+// SupportWithDialer implements C.ProxyAdapter
+func (h *Http) SupportWithDialer() bool {
+	return true
+}
+
 func (h *Http) shakeHand(metadata *C.Metadata, rw io.ReadWriter) error {
 	addr := metadata.RemoteAddress()
 	req := &http.Request{
@@ -126,30 +142,41 @@ func (h *Http) shakeHand(metadata *C.Metadata, rw io.ReadWriter) error {
 	return fmt.Errorf("can not connect remote err code: %d", resp.StatusCode)
 }
 
-func NewHttp(option HttpOption) *Http {
+func NewHttp(option HttpOption) (*Http, error) {
 	var tlsConfig *tls.Config
 	if option.TLS {
 		sni := option.Server
 		if option.SNI != "" {
 			sni = option.SNI
 		}
-		tlsConfig = &tls.Config{
-			InsecureSkipVerify: option.SkipCertVerify,
-			ServerName:         sni,
+		if len(option.Fingerprint) == 0 {
+			tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(&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
+			}
 		}
 	}
 
 	return &Http{
 		Base: &Base{
-			name:  option.Name,
-			addr:  net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
-			tp:    C.Http,
-			iface: option.Interface,
-			rmark: option.RoutingMark,
+			name:   option.Name,
+			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
+			tp:     C.Http,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		user:      option.UserName,
 		pass:      option.Password,
 		tlsConfig: tlsConfig,
 		option:    &option,
-	}
+	}, nil
 }

adapter/outbound/hysteria.go

@@ -0,0 +1,344 @@
+package outbound
+
+import (
+	"context"
+	"crypto/sha256"
+	"crypto/tls"
+	"encoding/base64"
+	"encoding/hex"
+	"encoding/pem"
+	"fmt"
+	"net"
+	"net/netip"
+	"os"
+	"regexp"
+	"strconv"
+	"time"
+
+	"github.com/metacubex/quic-go"
+	"github.com/metacubex/quic-go/congestion"
+	M "github.com/sagernet/sing/common/metadata"
+
+	"github.com/Dreamacro/clash/component/dialer"
+	tlsC "github.com/Dreamacro/clash/component/tls"
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/log"
+	hyCongestion "github.com/Dreamacro/clash/transport/hysteria/congestion"
+	"github.com/Dreamacro/clash/transport/hysteria/core"
+	"github.com/Dreamacro/clash/transport/hysteria/obfs"
+	"github.com/Dreamacro/clash/transport/hysteria/pmtud_fix"
+	"github.com/Dreamacro/clash/transport/hysteria/transport"
+)
+
+const (
+	mbpsToBps = 125000
+
+	DefaultStreamReceiveWindow     = 15728640 // 15 MB/s
+	DefaultConnectionReceiveWindow = 67108864 // 64 MB/s
+
+	DefaultALPN        = "hysteria"
+	DefaultProtocol    = "udp"
+	DefaultHopInterval = 10
+)
+
+var rateStringRegexp = regexp.MustCompile(`^(\d+)\s*([KMGT]?)([Bb])ps$`)
+
+type Hysteria struct {
+	*Base
+
+	client *core.Client
+}
+
+func (h *Hysteria) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
+	hdc := hyDialerWithContext{
+		ctx: context.Background(),
+		hyDialer: func(network string) (net.PacketConn, error) {
+			return dialer.ListenPacket(ctx, network, "", h.Base.DialOptions(opts...)...)
+		},
+		remoteAddr: func(addr string) (net.Addr, error) {
+			return resolveUDPAddrWithPrefer(ctx, "udp", addr, h.prefer)
+		},
+	}
+
+	tcpConn, err := h.client.DialTCP(metadata.RemoteAddress(), &hdc)
+	if err != nil {
+		return nil, err
+	}
+
+	return NewConn(tcpConn, h), nil
+}
+
+func (h *Hysteria) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
+	hdc := hyDialerWithContext{
+		ctx: context.Background(),
+		hyDialer: func(network string) (net.PacketConn, error) {
+			return dialer.ListenPacket(ctx, network, "", h.Base.DialOptions(opts...)...)
+		},
+		remoteAddr: func(addr string) (net.Addr, error) {
+			return resolveUDPAddrWithPrefer(ctx, "udp", addr, h.prefer)
+		},
+	}
+	udpConn, err := h.client.DialUDP(&hdc)
+	if err != nil {
+		return nil, err
+	}
+	return newPacketConn(&hyPacketConn{udpConn}, h), nil
+}
+
+type HysteriaOption struct {
+	BasicOption
+	Name                string   `proxy:"name"`
+	Server              string   `proxy:"server"`
+	Port                int      `proxy:"port,omitempty"`
+	Ports               string   `proxy:"ports,omitempty"`
+	Protocol            string   `proxy:"protocol,omitempty"`
+	ObfsProtocol        string   `proxy:"obfs-protocol,omitempty"` // compatible with Stash
+	Up                  string   `proxy:"up"`
+	UpSpeed             int      `proxy:"up-speed,omitempty"` // compatible with Stash
+	Down                string   `proxy:"down"`
+	DownSpeed           int      `proxy:"down-speed,omitempty"` // compatible with Stash
+	Auth                string   `proxy:"auth,omitempty"`
+	AuthString          string   `proxy:"auth-str,omitempty"`
+	Obfs                string   `proxy:"obfs,omitempty"`
+	SNI                 string   `proxy:"sni,omitempty"`
+	SkipCertVerify      bool     `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint         string   `proxy:"fingerprint,omitempty"`
+	ALPN                []string `proxy:"alpn,omitempty"`
+	CustomCA            string   `proxy:"ca,omitempty"`
+	CustomCAString      string   `proxy:"ca-str,omitempty"`
+	ReceiveWindowConn   int      `proxy:"recv-window-conn,omitempty"`
+	ReceiveWindow       int      `proxy:"recv-window,omitempty"`
+	DisableMTUDiscovery bool     `proxy:"disable-mtu-discovery,omitempty"`
+	FastOpen            bool     `proxy:"fast-open,omitempty"`
+	HopInterval         int      `proxy:"hop-interval,omitempty"`
+}
+
+func (c *HysteriaOption) Speed() (uint64, uint64, error) {
+	var up, down uint64
+	up = stringToBps(c.Up)
+	if up == 0 {
+		return 0, 0, fmt.Errorf("invaild upload speed: %s", c.Up)
+	}
+
+	down = stringToBps(c.Down)
+	if down == 0 {
+		return 0, 0, fmt.Errorf("invaild download speed: %s", c.Down)
+	}
+
+	return up, down, nil
+}
+
+func NewHysteria(option HysteriaOption) (*Hysteria, error) {
+	clientTransport := &transport.ClientTransport{
+		Dialer: &net.Dialer{
+			Timeout: 8 * time.Second,
+		},
+	}
+	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
+	ports := option.Ports
+
+	serverName := option.Server
+	if option.SNI != "" {
+		serverName = option.SNI
+	}
+
+	tlsConfig := &tls.Config{
+		ServerName:         serverName,
+		InsecureSkipVerify: option.SkipCertVerify,
+		MinVersion:         tls.VersionTLS13,
+	}
+
+	var bs []byte
+	var err error
+	if len(option.CustomCA) > 0 {
+		bs, err = os.ReadFile(option.CustomCA)
+		if err != nil {
+			return nil, fmt.Errorf("hysteria %s load ca error: %w", addr, err)
+		}
+	} else if option.CustomCAString != "" {
+		bs = []byte(option.CustomCAString)
+	}
+
+	if len(bs) > 0 {
+		block, _ := pem.Decode(bs)
+		if block == nil {
+			return nil, fmt.Errorf("CA cert is not PEM")
+		}
+
+		fpBytes := sha256.Sum256(block.Bytes)
+		if len(option.Fingerprint) == 0 {
+			option.Fingerprint = hex.EncodeToString(fpBytes[:])
+		}
+	}
+
+	if len(option.Fingerprint) != 0 {
+		var err error
+		tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint)
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+	}
+
+	if len(option.ALPN) > 0 {
+		tlsConfig.NextProtos = option.ALPN
+	} else {
+		tlsConfig.NextProtos = []string{DefaultALPN}
+	}
+	quicConfig := &quic.Config{
+		InitialStreamReceiveWindow:     uint64(option.ReceiveWindowConn),
+		MaxStreamReceiveWindow:         uint64(option.ReceiveWindowConn),
+		InitialConnectionReceiveWindow: uint64(option.ReceiveWindow),
+		MaxConnectionReceiveWindow:     uint64(option.ReceiveWindow),
+		KeepAlivePeriod:                10 * time.Second,
+		DisablePathMTUDiscovery:        option.DisableMTUDiscovery,
+		EnableDatagrams:                true,
+	}
+	if option.ObfsProtocol != "" {
+		option.Protocol = option.ObfsProtocol
+	}
+	if option.Protocol == "" {
+		option.Protocol = DefaultProtocol
+	}
+	if option.HopInterval == 0 {
+		option.HopInterval = DefaultHopInterval
+	}
+	hopInterval := time.Duration(int64(option.HopInterval)) * time.Second
+	if option.ReceiveWindow == 0 {
+		quicConfig.InitialStreamReceiveWindow = DefaultStreamReceiveWindow / 10
+		quicConfig.MaxStreamReceiveWindow = DefaultStreamReceiveWindow
+	}
+	if option.ReceiveWindow == 0 {
+		quicConfig.InitialConnectionReceiveWindow = DefaultConnectionReceiveWindow / 10
+		quicConfig.MaxConnectionReceiveWindow = DefaultConnectionReceiveWindow
+	}
+	if !quicConfig.DisablePathMTUDiscovery && pmtud_fix.DisablePathMTUDiscovery {
+		log.Infoln("hysteria: Path MTU Discovery is not yet supported on this platform")
+	}
+
+	var auth = []byte(option.AuthString)
+	if option.Auth != "" {
+		auth, err = base64.StdEncoding.DecodeString(option.Auth)
+		if err != nil {
+			return nil, err
+		}
+	}
+	var obfuscator obfs.Obfuscator
+	if len(option.Obfs) > 0 {
+		obfuscator = obfs.NewXPlusObfuscator([]byte(option.Obfs))
+	}
+
+	up, down, err := option.Speed()
+	if err != nil {
+		return nil, err
+	}
+	if option.UpSpeed != 0 {
+		up = uint64(option.UpSpeed * mbpsToBps)
+	}
+	if option.DownSpeed != 0 {
+		down = uint64(option.DownSpeed * mbpsToBps)
+	}
+	client, err := core.NewClient(
+		addr, ports, option.Protocol, auth, tlsConfig, quicConfig, clientTransport, up, down, func(refBPS uint64) congestion.CongestionControl {
+			return hyCongestion.NewBrutalSender(congestion.ByteCount(refBPS))
+		}, obfuscator, hopInterval, option.FastOpen,
+	)
+	if err != nil {
+		return nil, fmt.Errorf("hysteria %s create error: %w", addr, err)
+	}
+	return &Hysteria{
+		Base: &Base{
+			name:   option.Name,
+			addr:   addr,
+			tp:     C.Hysteria,
+			udp:    true,
+			tfo:    option.FastOpen,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
+		},
+		client: client,
+	}, nil
+}
+
+func stringToBps(s string) uint64 {
+	if s == "" {
+		return 0
+	}
+
+	// when have not unit, use Mbps
+	if v, err := strconv.Atoi(s); err == nil {
+		return stringToBps(fmt.Sprintf("%d Mbps", v))
+	}
+
+	m := rateStringRegexp.FindStringSubmatch(s)
+	if m == nil {
+		return 0
+	}
+	var n uint64
+	switch m[2] {
+	case "K":
+		n = 1 << 10
+	case "M":
+		n = 1 << 20
+	case "G":
+		n = 1 << 30
+	case "T":
+		n = 1 << 40
+	default:
+		n = 1
+	}
+	v, _ := strconv.ParseUint(m[1], 10, 64)
+	n = v * n
+	if m[3] == "b" {
+		// Bits, need to convert to bytes
+		n = n >> 3
+	}
+	return n
+}
+
+type hyPacketConn struct {
+	core.UDPConn
+}
+
+func (c *hyPacketConn) ReadFrom(p []byte) (n int, addr net.Addr, err error) {
+	b, addrStr, err := c.UDPConn.ReadFrom()
+	if err != nil {
+		return
+	}
+	n = copy(p, b)
+	addr = M.ParseSocksaddr(addrStr).UDPAddr()
+	return
+}
+
+func (c *hyPacketConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
+	err = c.UDPConn.WriteTo(p, M.SocksaddrFromNet(addr).String())
+	if err != nil {
+		return
+	}
+	n = len(p)
+	return
+}
+
+type hyDialerWithContext struct {
+	hyDialer   func(network string) (net.PacketConn, error)
+	ctx        context.Context
+	remoteAddr func(host string) (net.Addr, error)
+}
+
+func (h *hyDialerWithContext) ListenPacket(rAddr net.Addr) (net.PacketConn, error) {
+	network := "udp"
+	if addrPort, err := netip.ParseAddrPort(rAddr.String()); err == nil {
+		network = dialer.ParseNetwork(network, addrPort.Addr())
+	}
+	return h.hyDialer(network)
+}
+
+func (h *hyDialerWithContext) Context() context.Context {
+	return h.ctx
+}
+
+func (h *hyDialerWithContext) RemoteAddr(host string) (net.Addr, error) {
+	return h.remoteAddr(host)
+}

adapter/outbound/reject.go

@@ -27,9 +27,21 @@ func (r *Reject) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 func NewReject() *Reject {
 	return &Reject{
 		Base: &Base{
-			name: "REJECT",
-			tp:   C.Reject,
-			udp:  true,
+			name:   "REJECT",
+			tp:     C.Reject,
+			udp:    true,
+			prefer: C.DualStack,
+		},
+	}
+}
+
+func NewPass() *Reject {
+	return &Reject{
+		Base: &Base{
+			name:   "PASS",
+			tp:     C.Pass,
+			udp:    true,
+			prefer: C.DualStack,
 		},
 	}
 }

adapter/outbound/shadowsocks.go

@@ -14,13 +14,18 @@ import (
 	"github.com/Dreamacro/clash/transport/socks5"
 	v2rayObfs "github.com/Dreamacro/clash/transport/v2ray-plugin"
 
-	"github.com/Dreamacro/go-shadowsocks2/core"
+	"github.com/metacubex/sing-shadowsocks"
+	"github.com/metacubex/sing-shadowsocks/shadowimpl"
+	"github.com/sagernet/sing/common/bufio"
+	M "github.com/sagernet/sing/common/metadata"
+	"github.com/sagernet/sing/common/uot"
 )
 
 type ShadowSocks struct {
 	*Base
-	cipher core.Cipher
+	method shadowsocks.Method
 
+	option *ShadowSocksOption
 	// obfs
 	obfsMode    string
 	obfsOption  *simpleObfsOption
@@ -37,6 +42,7 @@ type ShadowSocksOption struct {
 	UDP        bool           `proxy:"udp,omitempty"`
 	Plugin     string         `proxy:"plugin,omitempty"`
 	PluginOpts map[string]any `proxy:"plugin-opts,omitempty"`
+	UDPOverTCP bool           `proxy:"udp-over-tcp,omitempty"`
 }
 
 type simpleObfsOption struct {
@@ -49,6 +55,7 @@ type v2rayObfsOption struct {
 	Host           string            `obfs:"host,omitempty"`
 	Path           string            `obfs:"path,omitempty"`
 	TLS            bool              `obfs:"tls,omitempty"`
+	Fingerprint    string            `obfs:"fingerprint,omitempty"`
 	Headers        map[string]string `obfs:"headers,omitempty"`
 	SkipCertVerify bool              `obfs:"skip-cert-verify,omitempty"`
 	Mux            bool              `obfs:"mux,omitempty"`
@@ -69,20 +76,28 @@ func (ss *ShadowSocks) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, e
 			return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 		}
 	}
-	c = ss.cipher.StreamConn(c)
-	_, err := c.Write(serializesSocksAddr(metadata))
-	return c, err
+	if metadata.NetWork == C.UDP && ss.option.UDPOverTCP {
+		return ss.method.DialConn(c, M.ParseSocksaddr(uot.UOTMagicAddress+":443"))
+	}
+	return ss.method.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
 }
 
 // DialContext implements C.ProxyAdapter
 func (ss *ShadowSocks) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
-	c, err := dialer.DialContext(ctx, "tcp", ss.addr, ss.Base.DialOptions(opts...)...)
+	return ss.DialContextWithDialer(ctx, dialer.NewDialer(ss.Base.DialOptions(opts...)...), metadata)
+}
+
+// DialContextWithDialer implements C.ProxyAdapter
+func (ss *ShadowSocks) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
+	c, err := dialer.DialContext(ctx, "tcp", ss.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 	}
 	tcpKeepAlive(c)
 
-	defer safeConnClose(c, err)
+	defer func(c net.Conn) {
+		safeConnClose(c, err)
+	}(c)
 
 	c, err = ss.StreamConn(c, metadata)
 	return NewConn(c, ss), err
@@ -90,26 +105,52 @@ func (ss *ShadowSocks) DialContext(ctx context.Context, metadata *C.Metadata, op
 
 // ListenPacketContext implements C.ProxyAdapter
 func (ss *ShadowSocks) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
-	pc, err := dialer.ListenPacket(ctx, "udp", "", ss.Base.DialOptions(opts...)...)
+	return ss.ListenPacketWithDialer(ctx, dialer.NewDialer(ss.Base.DialOptions(opts...)...), metadata)
+}
+
+// ListenPacketWithDialer implements C.ProxyAdapter
+func (ss *ShadowSocks) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	if ss.option.UDPOverTCP {
+		tcpConn, err := ss.DialContextWithDialer(ctx, dialer, metadata)
+		if err != nil {
+			return nil, err
+		}
+		return newPacketConn(uot.NewClientConn(tcpConn), ss), nil
+	}
+	addr, err := resolveUDPAddrWithPrefer(ctx, "udp", ss.addr, ss.prefer)
 	if err != nil {
 		return nil, err
 	}
 
-	addr, err := resolveUDPAddr("udp", ss.addr)
+	pc, err := dialer.ListenPacket(ctx, "udp", "", addr.AddrPort())
 	if err != nil {
-		pc.Close()
 		return nil, err
 	}
+	pc = ss.method.DialPacketConn(&bufio.BindPacketConn{PacketConn: pc, Addr: addr})
+	return newPacketConn(pc, ss), nil
+}
 
-	pc = ss.cipher.PacketConn(pc)
-	return newPacketConn(&ssPacketConn{PacketConn: pc, rAddr: addr}, ss), nil
+// SupportWithDialer implements C.ProxyAdapter
+func (ss *ShadowSocks) SupportWithDialer() bool {
+	return true
+}
+
+// ListenPacketOnStreamConn implements C.ProxyAdapter
+func (ss *ShadowSocks) ListenPacketOnStreamConn(c net.Conn, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	if ss.option.UDPOverTCP {
+		return newPacketConn(uot.NewClientConn(c), ss), nil
+	}
+	return nil, errors.New("no support")
+}
+
+// SupportUOT implements C.ProxyAdapter
+func (ss *ShadowSocks) SupportUOT() bool {
+	return ss.option.UDPOverTCP
 }
 
 func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
-	cipher := option.Cipher
-	password := option.Password
-	ciph, err := core.PickCipher(cipher, nil, password)
+	method, err := shadowimpl.FetchMethod(option.Cipher, option.Password)
 	if err != nil {
 		return nil, fmt.Errorf("ss %s initialize error: %w", addr, err)
 	}
@@ -155,15 +196,17 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 
 	return &ShadowSocks{
 		Base: &Base{
-			name:  option.Name,
-			addr:  addr,
-			tp:    C.Shadowsocks,
-			udp:   option.UDP,
-			iface: option.Interface,
-			rmark: option.RoutingMark,
+			name:   option.Name,
+			addr:   addr,
+			tp:     C.Shadowsocks,
+			udp:    option.UDP,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
-		cipher: ciph,
+		method: method,
 
+		option:      &option,
 		obfsMode:    obfsMode,
 		v2rayOption: v2rayOption,
 		obfsOption:  obfsOption,

adapter/outbound/shadowsocksr.go

@@ -8,12 +8,11 @@ import (
 
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/transport/shadowsocks/core"
+	"github.com/Dreamacro/clash/transport/shadowsocks/shadowaead"
+	"github.com/Dreamacro/clash/transport/shadowsocks/shadowstream"
 	"github.com/Dreamacro/clash/transport/ssr/obfs"
 	"github.com/Dreamacro/clash/transport/ssr/protocol"
-
-	"github.com/Dreamacro/go-shadowsocks2/core"
-	"github.com/Dreamacro/go-shadowsocks2/shadowaead"
-	"github.com/Dreamacro/go-shadowsocks2/shadowstream"
 )
 
 type ShadowSocksR struct {
@@ -61,13 +60,20 @@ func (ssr *ShadowSocksR) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn,
 
 // DialContext implements C.ProxyAdapter
 func (ssr *ShadowSocksR) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
-	c, err := dialer.DialContext(ctx, "tcp", ssr.addr, ssr.Base.DialOptions(opts...)...)
+	return ssr.DialContextWithDialer(ctx, dialer.NewDialer(ssr.Base.DialOptions(opts...)...), metadata)
+}
+
+// DialContextWithDialer implements C.ProxyAdapter
+func (ssr *ShadowSocksR) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
+	c, err := dialer.DialContext(ctx, "tcp", ssr.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", ssr.addr, err)
 	}
 	tcpKeepAlive(c)
 
-	defer safeConnClose(c, err)
+	defer func(c net.Conn) {
+		safeConnClose(c, err)
+	}(c)
 
 	c, err = ssr.StreamConn(c, metadata)
 	return NewConn(c, ssr), err
@@ -75,14 +81,18 @@ func (ssr *ShadowSocksR) DialContext(ctx context.Context, metadata *C.Metadata,
 
 // ListenPacketContext implements C.ProxyAdapter
 func (ssr *ShadowSocksR) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
-	pc, err := dialer.ListenPacket(ctx, "udp", "", ssr.Base.DialOptions(opts...)...)
+	return ssr.ListenPacketWithDialer(ctx, dialer.NewDialer(ssr.Base.DialOptions(opts...)...), metadata)
+}
+
+// ListenPacketWithDialer implements C.ProxyAdapter
+func (ssr *ShadowSocksR) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	addr, err := resolveUDPAddrWithPrefer(ctx, "udp", ssr.addr, ssr.prefer)
 	if err != nil {
 		return nil, err
 	}
 
-	addr, err := resolveUDPAddr("udp", ssr.addr)
+	pc, err := dialer.ListenPacket(ctx, "udp", "", addr.AddrPort())
 	if err != nil {
-		pc.Close()
 		return nil, err
 	}
 
@@ -91,6 +101,11 @@ func (ssr *ShadowSocksR) ListenPacketContext(ctx context.Context, metadata *C.Me
 	return newPacketConn(&ssPacketConn{PacketConn: pc, rAddr: addr}, ssr), nil
 }
 
+// SupportWithDialer implements C.ProxyAdapter
+func (ssr *ShadowSocksR) SupportWithDialer() bool {
+	return true
+}
+
 func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {
 	// SSR protocol compatibility
 	// https://github.com/Dreamacro/clash/pull/2056
@@ -144,12 +159,13 @@ func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {
 
 	return &ShadowSocksR{
 		Base: &Base{
-			name:  option.Name,
-			addr:  addr,
-			tp:    C.ShadowsocksR,
-			udp:   option.UDP,
-			iface: option.Interface,
-			rmark: option.RoutingMark,
+			name:   option.Name,
+			addr:   addr,
+			tp:     C.ShadowsocksR,
+			udp:    option.UDP,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		cipher:   coreCiph,
 		obfs:     obfs,

adapter/outbound/snell.go

@@ -78,13 +78,20 @@ func (s *Snell) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 		return NewConn(c, s), err
 	}
 
-	c, err := dialer.DialContext(ctx, "tcp", s.addr, s.Base.DialOptions(opts...)...)
+	return s.DialContextWithDialer(ctx, dialer.NewDialer(s.Base.DialOptions(opts...)...), metadata)
+}
+
+// DialContextWithDialer implements C.ProxyAdapter
+func (s *Snell) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
+	c, err := dialer.DialContext(ctx, "tcp", s.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", s.addr, err)
 	}
 	tcpKeepAlive(c)
 
-	defer safeConnClose(c, err)
+	defer func(c net.Conn) {
+		safeConnClose(c, err)
+	}(c)
 
 	c, err = s.StreamConn(c, metadata)
 	return NewConn(c, s), err
@@ -92,22 +99,32 @@ func (s *Snell) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 
 // ListenPacketContext implements C.ProxyAdapter
 func (s *Snell) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
-	c, err := dialer.DialContext(ctx, "tcp", s.addr, s.Base.DialOptions(opts...)...)
+	return s.ListenPacketWithDialer(ctx, dialer.NewDialer(s.Base.DialOptions(opts...)...), metadata)
+}
+
+// ListenPacketWithDialer implements C.ProxyAdapter
+func (s *Snell) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (C.PacketConn, error) {
+	c, err := dialer.DialContext(ctx, "tcp", s.addr)
 	if err != nil {
 		return nil, err
 	}
 	tcpKeepAlive(c)
 	c = streamConn(c, streamOption{s.psk, s.version, s.addr, s.obfsOption})
 
-	return s.ListenPacketOnStreamConn(c, metadata)
-}
+	err = snell.WriteUDPHeader(c, s.version)
+	if err != nil {
+		return nil, err
+	}
 
-// ListenPacketOnStreamConn implements C.ProxyAdapter
-func (s *Snell) ListenPacketOnStreamConn(c net.Conn, metadata *C.Metadata) (_ C.PacketConn, err error) {
 	pc := snell.PacketConn(c)
 	return newPacketConn(pc, s), nil
 }
 
+// SupportWithDialer implements C.ProxyAdapter
+func (s *Snell) SupportWithDialer() bool {
+	return true
+}
+
 // SupportUOT implements C.ProxyAdapter
 func (s *Snell) SupportUOT() bool {
 	return true
@@ -146,12 +163,13 @@ func NewSnell(option SnellOption) (*Snell, error) {
 
 	s := &Snell{
 		Base: &Base{
-			name:  option.Name,
-			addr:  addr,
-			tp:    C.Snell,
-			udp:   option.UDP,
-			iface: option.Interface,
-			rmark: option.RoutingMark,
+			name:   option.Name,
+			addr:   addr,
+			tp:     C.Snell,
+			udp:    option.UDP,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		psk:        psk,
 		obfsOption: obfsOption,

adapter/outbound/socks5.go

@@ -5,6 +5,7 @@ import (
 	"crypto/tls"
 	"errors"
 	"fmt"
+	tlsC "github.com/Dreamacro/clash/component/tls"
 	"io"
 	"net"
 	"strconv"
@@ -33,13 +34,16 @@ type Socks5Option struct {
 	TLS            bool   `proxy:"tls,omitempty"`
 	UDP            bool   `proxy:"udp,omitempty"`
 	SkipCertVerify bool   `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint    string `proxy:"fingerprint,omitempty"`
 }
 
 // StreamConn implements C.ProxyAdapter
 func (ss *Socks5) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	if ss.tls {
 		cc := tls.Client(c, ss.tlsConfig)
-		err := cc.Handshake()
+		ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTLSTimeout)
+		defer cancel()
+		err := cc.HandshakeContext(ctx)
 		c = cc
 		if err != nil {
 			return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
@@ -61,13 +65,20 @@ func (ss *Socks5) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error)
 
 // DialContext implements C.ProxyAdapter
 func (ss *Socks5) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
-	c, err := dialer.DialContext(ctx, "tcp", ss.addr, ss.Base.DialOptions(opts...)...)
+	return ss.DialContextWithDialer(ctx, dialer.NewDialer(ss.Base.DialOptions(opts...)...), metadata)
+}
+
+// DialContextWithDialer implements C.ProxyAdapter
+func (ss *Socks5) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
+	c, err := dialer.DialContext(ctx, "tcp", ss.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 	}
 	tcpKeepAlive(c)
 
-	defer safeConnClose(c, err)
+	defer func(c net.Conn) {
+		safeConnClose(c, err)
+	}(c)
 
 	c, err = ss.StreamConn(c, metadata)
 	if err != nil {
@@ -77,6 +88,11 @@ func (ss *Socks5) DialContext(ctx context.Context, metadata *C.Metadata, opts ..
 	return NewConn(c, ss), nil
 }
 
+// SupportWithDialer implements C.ProxyAdapter
+func (ss *Socks5) SupportWithDialer() bool {
+	return true
+}
+
 // ListenPacketContext implements C.ProxyAdapter
 func (ss *Socks5) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
 	c, err := dialer.DialContext(ctx, "tcp", ss.addr, ss.Base.DialOptions(opts...)...)
@@ -87,11 +103,15 @@ func (ss *Socks5) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 
 	if ss.tls {
 		cc := tls.Client(c, ss.tlsConfig)
-		err = cc.Handshake()
+		ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTLSTimeout)
+		defer cancel()
+		err = cc.HandshakeContext(ctx)
 		c = cc
 	}
 
-	defer safeConnClose(c, err)
+	defer func(c net.Conn) {
+		safeConnClose(c, err)
+	}(c)
 
 	tcpKeepAlive(c)
 	var user *socks5.User
@@ -108,7 +128,21 @@ func (ss *Socks5) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 		return
 	}
 
-	pc, err := dialer.ListenPacket(ctx, "udp", "", ss.Base.DialOptions(opts...)...)
+	// Support unspecified UDP bind address.
+	bindUDPAddr := bindAddr.UDPAddr()
+	if bindUDPAddr == nil {
+		err = errors.New("invalid UDP bind address")
+		return
+	} else if bindUDPAddr.IP.IsUnspecified() {
+		serverAddr, err := resolveUDPAddr(ctx, "udp", ss.Addr())
+		if err != nil {
+			return nil, err
+		}
+
+		bindUDPAddr.IP = serverAddr.IP
+	}
+
+	pc, err := dialer.ListenPacket(ctx, dialer.ParseNetwork("udp", bindUDPAddr.AddrPort().Addr()), "", ss.Base.DialOptions(opts...)...)
 	if err != nil {
 		return
 	}
@@ -121,47 +155,43 @@ func (ss *Socks5) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 		pc.Close()
 	}()
 
-	// Support unspecified UDP bind address.
-	bindUDPAddr := bindAddr.UDPAddr()
-	if bindUDPAddr == nil {
-		err = errors.New("invalid UDP bind address")
-		return
-	} else if bindUDPAddr.IP.IsUnspecified() {
-		serverAddr, err := resolveUDPAddr("udp", ss.Addr())
-		if err != nil {
-			return nil, err
-		}
-
-		bindUDPAddr.IP = serverAddr.IP
-	}
-
 	return newPacketConn(&socksPacketConn{PacketConn: pc, rAddr: bindUDPAddr, tcpConn: c}, ss), nil
 }
 
-func NewSocks5(option Socks5Option) *Socks5 {
+func NewSocks5(option Socks5Option) (*Socks5, error) {
 	var tlsConfig *tls.Config
 	if option.TLS {
 		tlsConfig = &tls.Config{
 			InsecureSkipVerify: option.SkipCertVerify,
 			ServerName:         option.Server,
 		}
+
+		if len(option.Fingerprint) == 0 {
+			tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+		} else {
+			var err error
+			if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint); err != nil {
+				return nil, err
+			}
+		}
 	}
 
 	return &Socks5{
 		Base: &Base{
-			name:  option.Name,
-			addr:  net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
-			tp:    C.Socks5,
-			udp:   option.UDP,
-			iface: option.Interface,
-			rmark: option.RoutingMark,
+			name:   option.Name,
+			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
+			tp:     C.Socks5,
+			udp:    option.UDP,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		user:           option.UserName,
 		pass:           option.Password,
 		tls:            option.TLS,
 		skipCertVerify: option.SkipCertVerify,
 		tlsConfig:      tlsConfig,
-	}
+	}, nil
 }
 
 type socksPacketConn struct {

adapter/outbound/trojan.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"crypto/tls"
 	"fmt"
+	tlsC "github.com/Dreamacro/clash/component/tls"
 	"net"
 	"net/http"
 	"strconv"
@@ -13,8 +14,6 @@ import (
 	"github.com/Dreamacro/clash/transport/gun"
 	"github.com/Dreamacro/clash/transport/trojan"
 	"github.com/Dreamacro/clash/transport/vless"
-
-	"golang.org/x/net/http2"
 )
 
 type Trojan struct {
@@ -25,7 +24,7 @@ type Trojan struct {
 	// for gun mux
 	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
-	transport    *http2.Transport
+	transport    *gun.TransportWrap
 }
 
 type TrojanOption struct {
@@ -37,6 +36,7 @@ type TrojanOption struct {
 	ALPN           []string    `proxy:"alpn,omitempty"`
 	SNI            string      `proxy:"sni,omitempty"`
 	SkipCertVerify bool        `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint    string      `proxy:"fingerprint,omitempty"`
 	UDP            bool        `proxy:"udp,omitempty"`
 	Network        string      `proxy:"network,omitempty"`
 	GrpcOpts       GrpcOptions `proxy:"grpc-opts,omitempty"`
@@ -120,14 +120,20 @@ func (t *Trojan) DialContext(ctx context.Context, metadata *C.Metadata, opts ...
 
 		return NewConn(c, t), nil
 	}
+	return t.DialContextWithDialer(ctx, dialer.NewDialer(t.Base.DialOptions(opts...)...), metadata)
+}
 
-	c, err := dialer.DialContext(ctx, "tcp", t.addr, t.Base.DialOptions(opts...)...)
+// DialContextWithDialer implements C.ProxyAdapter
+func (t *Trojan) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
+	c, err := dialer.DialContext(ctx, "tcp", t.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
 	}
 	tcpKeepAlive(c)
 
-	defer safeConnClose(c, err)
+	defer func(c net.Conn) {
+		safeConnClose(c, err)
+	}(c)
 
 	c, err = t.StreamConn(c, metadata)
 	if err != nil {
@@ -147,21 +153,47 @@ func (t *Trojan) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
 		if err != nil {
 			return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
 		}
-		defer safeConnClose(c, err)
-	} else {
-		c, err = dialer.DialContext(ctx, "tcp", t.addr, t.Base.DialOptions(opts...)...)
+		defer func(c net.Conn) {
+			safeConnClose(c, err)
+		}(c)
+		err = t.instance.WriteHeader(c, trojan.CommandUDP, serializesSocksAddr(metadata))
 		if err != nil {
-			return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
-		}
-		defer safeConnClose(c, err)
-		tcpKeepAlive(c)
-		c, err = t.plainStream(c)
-		if err != nil {
-			return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
+			return nil, err
 		}
+
+		pc := t.instance.PacketConn(c)
+		return newPacketConn(pc, t), err
+	}
+	return t.ListenPacketWithDialer(ctx, dialer.NewDialer(t.Base.DialOptions(opts...)...), metadata)
+}
+
+// ListenPacketWithDialer implements C.ProxyAdapter
+func (t *Trojan) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	c, err := dialer.DialContext(ctx, "tcp", t.addr)
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
+	}
+	defer func(c net.Conn) {
+		safeConnClose(c, err)
+	}(c)
+	tcpKeepAlive(c)
+	c, err = t.plainStream(c)
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
 	}
 
-	return t.ListenPacketOnStreamConn(c, metadata)
+	err = t.instance.WriteHeader(c, trojan.CommandUDP, serializesSocksAddr(metadata))
+	if err != nil {
+		return nil, err
+	}
+
+	pc := t.instance.PacketConn(c)
+	return newPacketConn(pc, t), err
+}
+
+// SupportWithDialer implements C.ProxyAdapter
+func (t *Trojan) SupportWithDialer() bool {
+	return true
 }
 
 // ListenPacketOnStreamConn implements C.ProxyAdapter
@@ -184,6 +216,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 		ServerName:     option.Server,
 		SkipCertVerify: option.SkipCertVerify,
 		FlowShow:       option.FlowShow,
+		Fingerprint:    option.Fingerprint,
 	}
 
 	if option.Network != "ws" && len(option.Flow) >= 16 {
@@ -202,12 +235,13 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 
 	t := &Trojan{
 		Base: &Base{
-			name:  option.Name,
-			addr:  addr,
-			tp:    C.Trojan,
-			udp:   option.UDP,
-			iface: option.Interface,
-			rmark: option.RoutingMark,
+			name:   option.Name,
+			addr:   addr,
+			tp:     C.Trojan,
+			udp:    option.UDP,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		instance: trojan.New(tOption),
 		option:   &option,
@@ -230,6 +264,15 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 			ServerName:         tOption.ServerName,
 		}
 
+		if len(option.Fingerprint) == 0 {
+			tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+		} else {
+			var err error
+			if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint); err != nil {
+				return nil, err
+			}
+		}
+
 		if t.option.Flow != "" {
 			t.transport = gun.NewHTTP2XTLSClient(dialFn, tlsConfig)
 		} else {

adapter/outbound/tuic.go

@@ -0,0 +1,242 @@
+package outbound
+
+import (
+	"context"
+	"crypto/sha256"
+	"crypto/tls"
+	"encoding/hex"
+	"encoding/pem"
+	"fmt"
+	"math"
+	"net"
+	"os"
+	"strconv"
+	"time"
+
+	"github.com/metacubex/quic-go"
+
+	"github.com/Dreamacro/clash/component/dialer"
+	tlsC "github.com/Dreamacro/clash/component/tls"
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/transport/tuic"
+)
+
+type Tuic struct {
+	*Base
+	client *tuic.PoolClient
+}
+
+type TuicOption struct {
+	BasicOption
+	Name                  string   `proxy:"name"`
+	Server                string   `proxy:"server"`
+	Port                  int      `proxy:"port"`
+	Token                 string   `proxy:"token"`
+	Ip                    string   `proxy:"ip,omitempty"`
+	HeartbeatInterval     int      `proxy:"heartbeat-interval,omitempty"`
+	ALPN                  []string `proxy:"alpn,omitempty"`
+	ReduceRtt             bool     `proxy:"reduce-rtt,omitempty"`
+	RequestTimeout        int      `proxy:"request-timeout,omitempty"`
+	UdpRelayMode          string   `proxy:"udp-relay-mode,omitempty"`
+	CongestionController  string   `proxy:"congestion-controller,omitempty"`
+	DisableSni            bool     `proxy:"disable-sni,omitempty"`
+	MaxUdpRelayPacketSize int      `proxy:"max-udp-relay-packet-size,omitempty"`
+
+	FastOpen            bool   `proxy:"fast-open,omitempty"`
+	MaxOpenStreams      int    `proxy:"max-open-streams,omitempty"`
+	SkipCertVerify      bool   `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint         string `proxy:"fingerprint,omitempty"`
+	CustomCA            string `proxy:"ca,omitempty"`
+	CustomCAString      string `proxy:"ca-str,omitempty"`
+	ReceiveWindowConn   int    `proxy:"recv-window-conn,omitempty"`
+	ReceiveWindow       int    `proxy:"recv-window,omitempty"`
+	DisableMTUDiscovery bool   `proxy:"disable-mtu-discovery,omitempty"`
+}
+
+// DialContext implements C.ProxyAdapter
+func (t *Tuic) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
+	return t.DialContextWithDialer(ctx, dialer.NewDialer(t.Base.DialOptions(opts...)...), metadata)
+}
+
+// DialContextWithDialer implements C.ProxyAdapter
+func (t *Tuic) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (C.Conn, error) {
+	conn, err := t.client.DialContextWithDialer(ctx, metadata, dialer, t.dialWithDialer)
+	if err != nil {
+		return nil, err
+	}
+	return NewConn(conn, t), err
+}
+
+// ListenPacketContext implements C.ProxyAdapter
+func (t *Tuic) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
+	return t.ListenPacketWithDialer(ctx, dialer.NewDialer(t.Base.DialOptions(opts...)...), metadata)
+}
+
+// ListenPacketWithDialer implements C.ProxyAdapter
+func (t *Tuic) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	pc, err := t.client.ListenPacketWithDialer(ctx, metadata, dialer, t.dialWithDialer)
+	if err != nil {
+		return nil, err
+	}
+	return newPacketConn(pc, t), nil
+}
+
+// SupportWithDialer implements C.ProxyAdapter
+func (t *Tuic) SupportWithDialer() bool {
+	return true
+}
+
+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) {
+	udpAddr, err := resolveUDPAddrWithPrefer(ctx, "udp", t.addr, t.prefer)
+	if err != nil {
+		return nil, nil, err
+	}
+	addr = udpAddr
+	pc, err = dialer.ListenPacket(ctx, "udp", "", udpAddr.AddrPort())
+	if err != nil {
+		return nil, nil, err
+	}
+	return
+}
+
+func NewTuic(option TuicOption) (*Tuic, error) {
+	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
+	serverName := option.Server
+
+	tlsConfig := &tls.Config{
+		ServerName:         serverName,
+		InsecureSkipVerify: option.SkipCertVerify,
+		MinVersion:         tls.VersionTLS13,
+	}
+
+	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)
+	}
+
+	if len(bs) > 0 {
+		block, _ := pem.Decode(bs)
+		if block == nil {
+			return nil, fmt.Errorf("CA cert is not PEM")
+		}
+
+		fpBytes := sha256.Sum256(block.Bytes)
+		if len(option.Fingerprint) == 0 {
+			option.Fingerprint = hex.EncodeToString(fpBytes[:])
+		}
+	}
+
+	if len(option.Fingerprint) != 0 {
+		var err error
+		tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint)
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+	}
+
+	if len(option.ALPN) > 0 {
+		tlsConfig.NextProtos = option.ALPN
+	} else {
+		tlsConfig.NextProtos = []string{"h3"}
+	}
+
+	if option.RequestTimeout == 0 {
+		option.RequestTimeout = 8000
+	}
+
+	if option.HeartbeatInterval <= 0 {
+		option.HeartbeatInterval = 10000
+	}
+
+	if option.UdpRelayMode != "quic" {
+		option.UdpRelayMode = "native"
+	}
+
+	if option.MaxUdpRelayPacketSize == 0 {
+		option.MaxUdpRelayPacketSize = 1500
+	}
+
+	if option.MaxOpenStreams == 0 {
+		option.MaxOpenStreams = 100
+	}
+
+	// ensure server's incoming stream can handle correctly, increase to 1.1x
+	quicMaxOpenStreams := int64(option.MaxOpenStreams)
+	quicMaxOpenStreams = quicMaxOpenStreams + int64(math.Ceil(float64(quicMaxOpenStreams)/10.0))
+	quicConfig := &quic.Config{
+		InitialStreamReceiveWindow:     uint64(option.ReceiveWindowConn),
+		MaxStreamReceiveWindow:         uint64(option.ReceiveWindowConn),
+		InitialConnectionReceiveWindow: uint64(option.ReceiveWindow),
+		MaxConnectionReceiveWindow:     uint64(option.ReceiveWindow),
+		MaxIncomingStreams:             quicMaxOpenStreams,
+		MaxIncomingUniStreams:          quicMaxOpenStreams,
+		KeepAlivePeriod:                time.Duration(option.HeartbeatInterval) * time.Millisecond,
+		DisablePathMTUDiscovery:        option.DisableMTUDiscovery,
+		EnableDatagrams:                true,
+	}
+	if option.ReceiveWindowConn == 0 {
+		quicConfig.InitialStreamReceiveWindow = tuic.DefaultStreamReceiveWindow / 10
+		quicConfig.MaxStreamReceiveWindow = tuic.DefaultStreamReceiveWindow
+	}
+	if option.ReceiveWindow == 0 {
+		quicConfig.InitialConnectionReceiveWindow = tuic.DefaultConnectionReceiveWindow / 10
+		quicConfig.MaxConnectionReceiveWindow = tuic.DefaultConnectionReceiveWindow
+	}
+
+	if len(option.Ip) > 0 {
+		addr = net.JoinHostPort(option.Ip, strconv.Itoa(option.Port))
+	}
+	host := option.Server
+	if option.DisableSni {
+		host = ""
+		tlsConfig.ServerName = ""
+	}
+	tkn := tuic.GenTKN(option.Token)
+
+	t := &Tuic{
+		Base: &Base{
+			name:   option.Name,
+			addr:   addr,
+			tp:     C.Tuic,
+			udp:    true,
+			tfo:    option.FastOpen,
+			iface:  option.Interface,
+			prefer: C.NewDNSPrefer(option.IPVersion),
+		},
+	}
+	// to avoid tuic's "too many open streams", decrease to 0.9x
+	clientMaxOpenStreams := int64(option.MaxOpenStreams)
+	clientMaxOpenStreams = clientMaxOpenStreams - int64(math.Ceil(float64(clientMaxOpenStreams)/10.0))
+	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)
+
+	return t, nil
+}

adapter/outbound/util.go

@@ -2,9 +2,11 @@ package outbound
 
 import (
 	"bytes"
+	"context"
 	"crypto/tls"
 	xtls "github.com/xtls/go"
 	"net"
+	"net/netip"
 	"strconv"
 	"sync"
 	"time"
@@ -43,10 +45,11 @@ func getClientXSessionCache() xtls.ClientSessionCache {
 
 func serializesSocksAddr(metadata *C.Metadata) []byte {
 	var buf [][]byte
-	aType := uint8(metadata.AddrType)
+	addrType := metadata.AddrType()
+	aType := uint8(addrType)
 	p, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
 	port := []byte{uint8(p >> 8), uint8(p & 0xff)}
-	switch metadata.AddrType {
+	switch addrType {
 	case socks5.AtypDomainName:
 		lenM := uint8(len(metadata.Host))
 		host := []byte(metadata.Host)
@@ -61,13 +64,69 @@ func serializesSocksAddr(metadata *C.Metadata) []byte {
 	return bytes.Join(buf, nil)
 }
 
-func resolveUDPAddr(network, address string) (*net.UDPAddr, error) {
+func resolveUDPAddr(ctx context.Context, network, address string) (*net.UDPAddr, error) {
 	host, port, err := net.SplitHostPort(address)
 	if err != nil {
 		return nil, err
 	}
 
-	ip, err := resolver.ResolveProxyServerHost(host)
+	ip, err := resolver.ResolveProxyServerHost(ctx, host)
+	if err != nil {
+		return nil, err
+	}
+	return net.ResolveUDPAddr(network, net.JoinHostPort(ip.String(), port))
+}
+
+func resolveUDPAddrWithPrefer(ctx context.Context, network, address string, prefer C.DNSPrefer) (*net.UDPAddr, error) {
+	host, port, err := net.SplitHostPort(address)
+	if err != nil {
+		return nil, err
+	}
+	var ip netip.Addr
+	var fallback netip.Addr
+	switch prefer {
+	case C.IPv4Only:
+		ip, err = resolver.ResolveIPv4ProxyServerHost(ctx, host)
+	case C.IPv6Only:
+		ip, err = resolver.ResolveIPv6ProxyServerHost(ctx, host)
+	case C.IPv6Prefer:
+		var ips []netip.Addr
+		ips, err = resolver.LookupIPProxyServerHost(ctx, host)
+		if err == nil {
+			for _, addr := range ips {
+				if addr.Is6() {
+					ip = addr
+					break
+				} else {
+					if !fallback.IsValid() {
+						fallback = addr
+					}
+				}
+			}
+		}
+	default:
+		// C.IPv4Prefer, C.DualStack and other
+		var ips []netip.Addr
+		ips, err = resolver.LookupIPProxyServerHost(ctx, host)
+		if err == nil {
+			for _, addr := range ips {
+				if addr.Is4() {
+					ip = addr
+					break
+				} else {
+					if !fallback.IsValid() {
+						fallback = addr
+					}
+				}
+			}
+
+		}
+	}
+
+	if !ip.IsValid() && fallback.IsValid() {
+		ip = fallback
+	}
+
 	if err != nil {
 		return nil, err
 	}
@@ -75,7 +134,7 @@ func resolveUDPAddr(network, address string) (*net.UDPAddr, error) {
 }
 
 func safeConnClose(c net.Conn, err error) {
-	if err != nil {
+	if err != nil && c != nil {
 		_ = c.Close()
 	}
 }

adapter/outbound/vless.go

@@ -12,14 +12,15 @@ import (
 	"strconv"
 	"sync"
 
+	"github.com/Dreamacro/clash/common/convert"
 	"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"
 	"github.com/Dreamacro/clash/transport/gun"
+	"github.com/Dreamacro/clash/transport/socks5"
 	"github.com/Dreamacro/clash/transport/vless"
 	"github.com/Dreamacro/clash/transport/vmess"
-
-	"golang.org/x/net/http2"
 )
 
 const (
@@ -35,7 +36,7 @@ type Vless struct {
 	// for gun mux
 	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
-	transport    *http2.Transport
+	transport    *gun.TransportWrap
 }
 
 type VlessOption struct {
@@ -56,6 +57,7 @@ type VlessOption struct {
 	WSPath         string            `proxy:"ws-path,omitempty"`
 	WSHeaders      map[string]string `proxy:"ws-headers,omitempty"`
 	SkipCertVerify bool              `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint    string            `proxy:"fingerprint,omitempty"`
 	ServerName     string            `proxy:"servername,omitempty"`
 }
 
@@ -71,27 +73,39 @@ func (v *Vless) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 			Path:                v.option.WSOpts.Path,
 			MaxEarlyData:        v.option.WSOpts.MaxEarlyData,
 			EarlyDataHeaderName: v.option.WSOpts.EarlyDataHeaderName,
+			Headers:             http.Header{},
 		}
 
 		if len(v.option.WSOpts.Headers) != 0 {
-			header := http.Header{}
 			for key, value := range v.option.WSOpts.Headers {
-				header.Add(key, value)
+				wsOpts.Headers.Add(key, value)
 			}
-			wsOpts.Headers = header
 		}
+		if v.option.TLS {
+			wsOpts.TLS = true
+			tlsConfig := &tls.Config{
+				MinVersion:         tls.VersionTLS12,
+				ServerName:         host,
+				InsecureSkipVerify: v.option.SkipCertVerify,
+				NextProtos:         []string{"http/1.1"},
+			}
 
-		wsOpts.TLS = true
-		wsOpts.TLSConfig = &tls.Config{
-			MinVersion:         tls.VersionTLS12,
-			ServerName:         host,
-			InsecureSkipVerify: v.option.SkipCertVerify,
-			NextProtos:         []string{"http/1.1"},
-		}
-		if v.option.ServerName != "" {
-			wsOpts.TLSConfig.ServerName = v.option.ServerName
-		} else if host := wsOpts.Headers.Get("Host"); host != "" {
-			wsOpts.TLSConfig.ServerName = host
+			if len(v.option.Fingerprint) == 0 {
+				wsOpts.TLSConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+			} else {
+				wsOpts.TLSConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint)
+			}
+
+			if v.option.ServerName != "" {
+				wsOpts.TLSConfig.ServerName = v.option.ServerName
+			} else if host := wsOpts.Headers.Get("Host"); host != "" {
+				wsOpts.TLSConfig.ServerName = host
+			}
+		} else {
+			if host := wsOpts.Headers.Get("Host"); host == "" {
+				wsOpts.Headers.Set("Host", convert.RandHost())
+				convert.SetUserAgent(wsOpts.Headers)
+			}
 		}
 		c, err = vmess.StreamWebsocketConn(c, wsOpts)
 	case "http":
@@ -148,6 +162,7 @@ func (v *Vless) streamTLSOrXTLSConn(conn net.Conn, isH2 bool) (net.Conn, error)
 		xtlsOpts := vless.XTLSConfig{
 			Host:           host,
 			SkipCertVerify: v.option.SkipCertVerify,
+			FingerPrint:    v.option.Fingerprint,
 		}
 
 		if isH2 {
@@ -164,6 +179,7 @@ func (v *Vless) streamTLSOrXTLSConn(conn net.Conn, isH2 bool) (net.Conn, error)
 		tlsOpts := vmess.TLSConfig{
 			Host:           host,
 			SkipCertVerify: v.option.SkipCertVerify,
+			FingerPrint:    v.option.Fingerprint,
 		}
 
 		if isH2 {
@@ -192,7 +208,9 @@ func (v *Vless) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 		if err != nil {
 			return nil, err
 		}
-		defer safeConnClose(c, err)
+		defer func(c net.Conn) {
+			safeConnClose(c, err)
+		}(c)
 
 		c, err = v.client.StreamConn(c, parseVlessAddr(metadata))
 		if err != nil {
@@ -201,13 +219,19 @@ func (v *Vless) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 
 		return NewConn(c, v), nil
 	}
+	return v.DialContextWithDialer(ctx, dialer.NewDialer(v.Base.DialOptions(opts...)...), metadata)
+}
 
-	c, err := dialer.DialContext(ctx, "tcp", v.addr, v.Base.DialOptions(opts...)...)
+// DialContextWithDialer implements C.ProxyAdapter
+func (v *Vless) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
+	c, err := dialer.DialContext(ctx, "tcp", v.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
 	tcpKeepAlive(c)
-	defer safeConnClose(c, err)
+	defer func(c net.Conn) {
+		safeConnClose(c, err)
+	}(c)
 
 	c, err = v.StreamConn(c, metadata)
 	return NewConn(c, v), err
@@ -217,7 +241,7 @@ func (v *Vless) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 func (v *Vless) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
 	// vless use stream-oriented udp with a special address, so we needs a net.UDPAddr
 	if !metadata.Resolved() {
-		ip, err := resolver.ResolveIP(metadata.Host)
+		ip, err := resolver.ResolveIP(ctx, metadata.Host)
 		if err != nil {
 			return nil, errors.New("can't resolve ip")
 		}
@@ -231,19 +255,41 @@ func (v *Vless) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 		if err != nil {
 			return nil, err
 		}
-		defer safeConnClose(c, err)
+		defer func(c net.Conn) {
+			safeConnClose(c, err)
+		}(c)
 
 		c, err = v.client.StreamConn(c, parseVlessAddr(metadata))
-	} else {
-		c, err = dialer.DialContext(ctx, "tcp", v.addr, v.Base.DialOptions(opts...)...)
-		if err != nil {
-			return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
-		}
-		tcpKeepAlive(c)
-		defer safeConnClose(c, err)
 
-		c, err = v.StreamConn(c, metadata)
+		if err != nil {
+			return nil, fmt.Errorf("new vless client error: %v", err)
+		}
+
+		return v.ListenPacketOnStreamConn(c, metadata)
 	}
+	return v.ListenPacketWithDialer(ctx, dialer.NewDialer(v.Base.DialOptions(opts...)...), metadata)
+}
+
+// ListenPacketWithDialer implements C.ProxyAdapter
+func (v *Vless) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	// vless use stream-oriented udp with a special address, so we needs 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
+	}
+	c, err := dialer.DialContext(ctx, "tcp", v.addr)
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
+	}
+	tcpKeepAlive(c)
+	defer func(c net.Conn) {
+		safeConnClose(c, err)
+	}(c)
+
+	c, err = v.StreamConn(c, metadata)
 
 	if err != nil {
 		return nil, fmt.Errorf("new vless client error: %v", err)
@@ -252,6 +298,11 @@ func (v *Vless) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 	return v.ListenPacketOnStreamConn(c, metadata)
 }
 
+// SupportWithDialer implements C.ProxyAdapter
+func (v *Vless) SupportWithDialer() bool {
+	return true
+}
+
 // ListenPacketOnStreamConn implements C.ProxyAdapter
 func (v *Vless) ListenPacketOnStreamConn(c net.Conn, metadata *C.Metadata) (_ C.PacketConn, err error) {
 	return newPacketConn(&vlessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}, v), nil
@@ -265,16 +316,16 @@ func (v *Vless) SupportUOT() bool {
 func parseVlessAddr(metadata *C.Metadata) *vless.DstAddr {
 	var addrType byte
 	var addr []byte
-	switch metadata.AddrType {
-	case C.AtypIPv4:
+	switch metadata.AddrType() {
+	case socks5.AtypIPv4:
 		addrType = vless.AtypIPv4
 		addr = make([]byte, net.IPv4len)
 		copy(addr[:], metadata.DstIP.AsSlice())
-	case C.AtypIPv6:
+	case socks5.AtypIPv6:
 		addrType = vless.AtypIPv6
 		addr = make([]byte, net.IPv6len)
 		copy(addr[:], metadata.DstIP.AsSlice())
-	case C.AtypDomainName:
+	case socks5.AtypDomainName:
 		addrType = vless.AtypDomainName
 		addr = make([]byte, len(metadata.Host)+1)
 		addr[0] = byte(len(metadata.Host))
@@ -396,18 +447,19 @@ func NewVless(option VlessOption) (*Vless, error) {
 		}
 	}
 
-	client, err := vless.NewClient(uuidMap(option.UUID), addons, option.FlowShow)
+	client, err := vless.NewClient(option.UUID, addons, option.FlowShow)
 	if err != nil {
 		return nil, err
 	}
 
 	v := &Vless{
 		Base: &Base{
-			name:  option.Name,
-			addr:  net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
-			tp:    C.Vless,
-			udp:   option.UDP,
-			iface: option.Interface,
+			name:   option.Name,
+			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
+			tp:     C.Vless,
+			udp:    option.UDP,
+			iface:  option.Interface,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		client: client,
 		option: &option,
@@ -432,10 +484,10 @@ func NewVless(option VlessOption) (*Vless, error) {
 			ServiceName: v.option.GrpcOpts.GrpcServiceName,
 			Host:        v.option.ServerName,
 		}
-		tlsConfig := &tls.Config{
+		tlsConfig := tlsC.GetGlobalFingerprintTLCConfig(&tls.Config{
 			InsecureSkipVerify: v.option.SkipCertVerify,
 			ServerName:         v.option.ServerName,
-		}
+		})
 
 		if v.option.ServerName == "" {
 			host, _, _ := net.SplitHostPort(v.addr)

adapter/outbound/vmess.go

@@ -5,20 +5,26 @@ import (
 	"crypto/tls"
 	"errors"
 	"fmt"
+	tlsC "github.com/Dreamacro/clash/component/tls"
+	vmess "github.com/sagernet/sing-vmess"
 	"net"
 	"net/http"
 	"strconv"
 	"strings"
+	"sync"
 
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/gun"
-	"github.com/Dreamacro/clash/transport/vmess"
+	clashVMess "github.com/Dreamacro/clash/transport/vmess"
 
-	"golang.org/x/net/http2"
+	"github.com/sagernet/sing-vmess/packetaddr"
+	M "github.com/sagernet/sing/common/metadata"
 )
 
+var ErrUDPRemoteAddrMismatch = errors.New("udp packet dropped due to mismatched remote address")
+
 type Vmess struct {
 	*Base
 	client *vmess.Client
@@ -27,30 +33,32 @@ type Vmess struct {
 	// for gun mux
 	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
-	transport    *http2.Transport
+	transport    *gun.TransportWrap
 }
 
 type VmessOption struct {
 	BasicOption
-	Name           string       `proxy:"name"`
-	Server         string       `proxy:"server"`
-	Port           int          `proxy:"port"`
-	UUID           string       `proxy:"uuid"`
-	AlterID        int          `proxy:"alterId"`
-	Cipher         string       `proxy:"cipher"`
-	UDP            bool         `proxy:"udp,omitempty"`
-	Network        string       `proxy:"network,omitempty"`
-	TLS            bool         `proxy:"tls,omitempty"`
-	SkipCertVerify bool         `proxy:"skip-cert-verify,omitempty"`
-	ServerName     string       `proxy:"servername,omitempty"`
-	HTTPOpts       HTTPOptions  `proxy:"http-opts,omitempty"`
-	HTTP2Opts      HTTP2Options `proxy:"h2-opts,omitempty"`
-	GrpcOpts       GrpcOptions  `proxy:"grpc-opts,omitempty"`
-	WSOpts         WSOptions    `proxy:"ws-opts,omitempty"`
-
-	// TODO: compatible with VMESS WS older version configurations
-	WSHeaders map[string]string `proxy:"ws-headers,omitempty"`
-	WSPath    string            `proxy:"ws-path,omitempty"`
+	Name                string       `proxy:"name"`
+	Server              string       `proxy:"server"`
+	Port                int          `proxy:"port"`
+	UUID                string       `proxy:"uuid"`
+	AlterID             int          `proxy:"alterId"`
+	Cipher              string       `proxy:"cipher"`
+	UDP                 bool         `proxy:"udp,omitempty"`
+	Network             string       `proxy:"network,omitempty"`
+	TLS                 bool         `proxy:"tls,omitempty"`
+	SkipCertVerify      bool         `proxy:"skip-cert-verify,omitempty"`
+	Fingerprint         string       `proxy:"fingerprint,omitempty"`
+	ServerName          string       `proxy:"servername,omitempty"`
+	HTTPOpts            HTTPOptions  `proxy:"http-opts,omitempty"`
+	HTTP2Opts           HTTP2Options `proxy:"h2-opts,omitempty"`
+	GrpcOpts            GrpcOptions  `proxy:"grpc-opts,omitempty"`
+	WSOpts              WSOptions    `proxy:"ws-opts,omitempty"`
+	PacketAddr          bool         `proxy:"packet-addr,omitempty"`
+	XUDP                bool         `proxy:"xudp,omitempty"`
+	PacketEncoding      string       `proxy:"packet-encoding,omitempty"`
+	GlobalPadding       bool         `proxy:"global-padding,omitempty"`
+	AuthenticatedLength bool         `proxy:"authenticated-length,omitempty"`
 }
 
 type HTTPOptions struct {
@@ -80,49 +88,52 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	var err error
 	switch v.option.Network {
 	case "ws":
-		if v.option.WSOpts.Path == "" {
-			v.option.WSOpts.Path = v.option.WSPath
-		}
-		if len(v.option.WSOpts.Headers) == 0 {
-			v.option.WSOpts.Headers = v.option.WSHeaders
-		}
 
 		host, port, _ := net.SplitHostPort(v.addr)
-		wsOpts := &vmess.WebsocketConfig{
+		wsOpts := &clashVMess.WebsocketConfig{
 			Host:                host,
 			Port:                port,
 			Path:                v.option.WSOpts.Path,
 			MaxEarlyData:        v.option.WSOpts.MaxEarlyData,
 			EarlyDataHeaderName: v.option.WSOpts.EarlyDataHeaderName,
+			Headers:             http.Header{},
 		}
 
 		if len(v.option.WSOpts.Headers) != 0 {
-			header := http.Header{}
 			for key, value := range v.option.WSOpts.Headers {
-				header.Add(key, value)
+				wsOpts.Headers.Add(key, value)
 			}
-			wsOpts.Headers = header
 		}
 
 		if v.option.TLS {
 			wsOpts.TLS = true
-			wsOpts.TLSConfig = &tls.Config{
+			tlsConfig := &tls.Config{
 				ServerName:         host,
 				InsecureSkipVerify: v.option.SkipCertVerify,
 				NextProtos:         []string{"http/1.1"},
 			}
+
+			if len(v.option.Fingerprint) == 0 {
+				wsOpts.TLSConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+			} else {
+				var err error
+				if wsOpts.TLSConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint); err != nil {
+					return nil, err
+				}
+			}
+
 			if v.option.ServerName != "" {
 				wsOpts.TLSConfig.ServerName = v.option.ServerName
 			} else if host := wsOpts.Headers.Get("Host"); host != "" {
 				wsOpts.TLSConfig.ServerName = host
 			}
 		}
-		c, err = vmess.StreamWebsocketConn(c, wsOpts)
+		c, err = clashVMess.StreamWebsocketConn(c, wsOpts)
 	case "http":
 		// readability first, so just copy default TLS logic
 		if v.option.TLS {
 			host, _, _ := net.SplitHostPort(v.addr)
-			tlsOpts := &vmess.TLSConfig{
+			tlsOpts := &clashVMess.TLSConfig{
 				Host:           host,
 				SkipCertVerify: v.option.SkipCertVerify,
 			}
@@ -131,24 +142,24 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 				tlsOpts.Host = v.option.ServerName
 			}
 
-			c, err = vmess.StreamTLSConn(c, tlsOpts)
+			c, err = clashVMess.StreamTLSConn(c, tlsOpts)
 			if err != nil {
 				return nil, err
 			}
 		}
 
 		host, _, _ := net.SplitHostPort(v.addr)
-		httpOpts := &vmess.HTTPConfig{
+		httpOpts := &clashVMess.HTTPConfig{
 			Host:    host,
 			Method:  v.option.HTTPOpts.Method,
 			Path:    v.option.HTTPOpts.Path,
 			Headers: v.option.HTTPOpts.Headers,
 		}
 
-		c = vmess.StreamHTTPConn(c, httpOpts)
+		c = clashVMess.StreamHTTPConn(c, httpOpts)
 	case "h2":
 		host, _, _ := net.SplitHostPort(v.addr)
-		tlsOpts := vmess.TLSConfig{
+		tlsOpts := clashVMess.TLSConfig{
 			Host:           host,
 			SkipCertVerify: v.option.SkipCertVerify,
 			NextProtos:     []string{"h2"},
@@ -158,24 +169,24 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 			tlsOpts.Host = v.option.ServerName
 		}
 
-		c, err = vmess.StreamTLSConn(c, &tlsOpts)
+		c, err = clashVMess.StreamTLSConn(c, &tlsOpts)
 		if err != nil {
 			return nil, err
 		}
 
-		h2Opts := &vmess.H2Config{
+		h2Opts := &clashVMess.H2Config{
 			Hosts: v.option.HTTP2Opts.Host,
 			Path:  v.option.HTTP2Opts.Path,
 		}
 
-		c, err = vmess.StreamH2Conn(c, h2Opts)
+		c, err = clashVMess.StreamH2Conn(c, h2Opts)
 	case "grpc":
 		c, err = gun.StreamGunWithConn(c, v.gunTLSConfig, v.gunConfig)
 	default:
 		// handle TLS
 		if v.option.TLS {
 			host, _, _ := net.SplitHostPort(v.addr)
-			tlsOpts := &vmess.TLSConfig{
+			tlsOpts := &clashVMess.TLSConfig{
 				Host:           host,
 				SkipCertVerify: v.option.SkipCertVerify,
 			}
@@ -184,15 +195,22 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 				tlsOpts.Host = v.option.ServerName
 			}
 
-			c, err = vmess.StreamTLSConn(c, tlsOpts)
+			c, err = clashVMess.StreamTLSConn(c, tlsOpts)
 		}
 	}
 
 	if err != nil {
 		return nil, err
 	}
-
-	return v.client.StreamConn(c, parseVmessAddr(metadata))
+	if metadata.NetWork == C.UDP {
+		if v.option.XUDP {
+			return v.client.DialXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+		} else {
+			return v.client.DialPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+		}
+	} else {
+		return v.client.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+	}
 }
 
 // DialContext implements C.ProxyAdapter
@@ -203,22 +221,30 @@ func (v *Vmess) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 		if err != nil {
 			return nil, err
 		}
-		defer safeConnClose(c, err)
+		defer func(c net.Conn) {
+			safeConnClose(c, err)
+		}(c)
 
-		c, err = v.client.StreamConn(c, parseVmessAddr(metadata))
+		c, err = v.client.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
 		if err != nil {
 			return nil, err
 		}
 
 		return NewConn(c, v), nil
 	}
+	return v.DialContextWithDialer(ctx, dialer.NewDialer(v.Base.DialOptions(opts...)...), metadata)
+}
 
-	c, err := dialer.DialContext(ctx, "tcp", v.addr, v.Base.DialOptions(opts...)...)
+// DialContextWithDialer implements C.ProxyAdapter
+func (v *Vmess) DialContextWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.Conn, err error) {
+	c, err := dialer.DialContext(ctx, "tcp", v.addr)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 	}
 	tcpKeepAlive(c)
-	defer safeConnClose(c, err)
+	defer func(c net.Conn) {
+		safeConnClose(c, err)
+	}(c)
 
 	c, err = v.StreamConn(c, metadata)
 	return NewConn(c, v), err
@@ -228,13 +254,20 @@ func (v *Vmess) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
 	// vmess use stream-oriented udp with a special address, so we needs a net.UDPAddr
 	if !metadata.Resolved() {
-		ip, err := resolver.ResolveIP(metadata.Host)
+		ip, err := resolver.ResolveIP(ctx, metadata.Host)
 		if err != nil {
 			return nil, errors.New("can't resolve ip")
 		}
 		metadata.DstIP = ip
 	}
 
+	if v.option.PacketAddr {
+		_metadata := *metadata // make a copy
+		metadata = &_metadata
+		metadata.Host = packetaddr.SeqPacketMagicAddress
+		metadata.DstPort = "443"
+	}
+
 	var c net.Conn
 	// gun transport
 	if v.transport != nil && len(opts) == 0 {
@@ -242,20 +275,46 @@ func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 		if err != nil {
 			return nil, err
 		}
-		defer safeConnClose(c, err)
+		defer func(c net.Conn) {
+			safeConnClose(c, err)
+		}(c)
 
-		c, err = v.client.StreamConn(c, parseVmessAddr(metadata))
-	} else {
-		c, err = dialer.DialContext(ctx, "tcp", v.addr, v.Base.DialOptions(opts...)...)
-		if err != nil {
-			return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
+		if v.option.XUDP {
+			c, err = v.client.DialXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+		} else {
+			c, err = v.client.DialPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
 		}
-		tcpKeepAlive(c)
-		defer safeConnClose(c, err)
 
-		c, err = v.StreamConn(c, metadata)
+		if err != nil {
+			return nil, fmt.Errorf("new vmess client error: %v", err)
+		}
+		return v.ListenPacketOnStreamConn(c, metadata)
+	}
+	c, err = dialer.DialContext(ctx, "tcp", v.addr, v.Base.DialOptions(opts...)...)
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
+	}
+	tcpKeepAlive(c)
+	defer func(c net.Conn) {
+		safeConnClose(c, err)
+	}(c)
+
+	c, err = v.StreamConn(c, metadata)
+	return v.ListenPacketWithDialer(ctx, dialer.NewDialer(v.Base.DialOptions(opts...)...), metadata)
+}
+
+// ListenPacketWithDialer implements C.ProxyAdapter
+func (v *Vmess) ListenPacketWithDialer(ctx context.Context, dialer C.Dialer, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	// vmess use stream-oriented udp with a special address, so we needs 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
 	}
 
+	c, err := dialer.DialContext(ctx, "tcp", v.addr)
 	if err != nil {
 		return nil, fmt.Errorf("new vmess client error: %v", err)
 	}
@@ -263,8 +322,18 @@ func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 	return v.ListenPacketOnStreamConn(c, metadata)
 }
 
+// SupportWithDialer implements C.ProxyAdapter
+func (v *Vmess) SupportWithDialer() bool {
+	return true
+}
+
 // ListenPacketOnStreamConn implements C.ProxyAdapter
 func (v *Vmess) ListenPacketOnStreamConn(c net.Conn, metadata *C.Metadata) (_ C.PacketConn, err error) {
+	if v.option.PacketAddr {
+		return newPacketConn(&threadSafePacketConn{PacketConn: packetaddr.NewBindConn(c)}, v), nil
+	} else if pc, ok := c.(net.PacketConn); ok {
+		return newPacketConn(&threadSafePacketConn{PacketConn: pc}, v), nil
+	}
 	return newPacketConn(&vmessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}, v), nil
 }
 
@@ -275,18 +344,28 @@ func (v *Vmess) SupportUOT() bool {
 
 func NewVmess(option VmessOption) (*Vmess, error) {
 	security := strings.ToLower(option.Cipher)
-	client, err := vmess.NewClient(vmess.Config{
-		UUID:     uuidMap(option.UUID),
-		AlterID:  uint16(option.AlterID),
-		Security: security,
-		HostName: option.Server,
-		Port:     strconv.Itoa(option.Port),
-		IsAead:   option.AlterID == 0,
-	})
+	var options []vmess.ClientOption
+	if option.GlobalPadding {
+		options = append(options, vmess.ClientWithGlobalPadding())
+	}
+	if option.AuthenticatedLength {
+		options = append(options, vmess.ClientWithAuthenticatedLength())
+	}
+	client, err := vmess.NewClient(option.UUID, security, option.AlterID, options...)
 	if err != nil {
 		return nil, err
 	}
 
+	switch option.PacketEncoding {
+	case "packetaddr", "packet":
+		option.PacketAddr = true
+	case "xudp":
+		option.XUDP = true
+	}
+	if option.XUDP {
+		option.PacketAddr = false
+	}
+
 	switch option.Network {
 	case "h2", "grpc":
 		if !option.TLS {
@@ -296,12 +375,13 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 
 	v := &Vmess{
 		Base: &Base{
-			name:  option.Name,
-			addr:  net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
-			tp:    C.Vmess,
-			udp:   option.UDP,
-			iface: option.Interface,
-			rmark: option.RoutingMark,
+			name:   option.Name,
+			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
+			tp:     C.Vmess,
+			udp:    option.UDP,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
 		client: client,
 		option: &option,
@@ -341,44 +421,36 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 		v.gunConfig = gunConfig
 		v.transport = gun.NewHTTP2Client(dialFn, tlsConfig)
 	}
-
 	return v, nil
 }
 
-func parseVmessAddr(metadata *C.Metadata) *vmess.DstAddr {
-	var addrType byte
-	var addr []byte
-	switch metadata.AddrType {
-	case C.AtypIPv4:
-		addrType = byte(vmess.AtypIPv4)
-		addr = make([]byte, net.IPv4len)
-		copy(addr[:], metadata.DstIP.AsSlice())
-	case C.AtypIPv6:
-		addrType = byte(vmess.AtypIPv6)
-		addr = make([]byte, net.IPv6len)
-		copy(addr[:], metadata.DstIP.AsSlice())
-	case C.AtypDomainName:
-		addrType = byte(vmess.AtypDomainName)
-		addr = make([]byte, len(metadata.Host)+1)
-		addr[0] = byte(len(metadata.Host))
-		copy(addr[1:], []byte(metadata.Host))
-	}
+type threadSafePacketConn struct {
+	net.PacketConn
+	access sync.Mutex
+}
 
-	port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
-	return &vmess.DstAddr{
-		UDP:      metadata.NetWork == C.UDP,
-		AddrType: addrType,
-		Addr:     addr,
-		Port:     uint(port),
-	}
+func (c *threadSafePacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
+	c.access.Lock()
+	defer c.access.Unlock()
+	return c.PacketConn.WriteTo(b, addr)
 }
 
 type vmessPacketConn struct {
 	net.Conn
-	rAddr net.Addr
+	rAddr  net.Addr
+	access sync.Mutex
 }
 
+// WriteTo implments C.PacketConn.WriteTo
+// Since VMess doesn't support full cone NAT by design, we verify if addr matches uc.rAddr, and drop the packet if not.
 func (uc *vmessPacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
+	allowedAddr := uc.rAddr.(*net.UDPAddr)
+	destAddr := addr.(*net.UDPAddr)
+	if !(allowedAddr.IP.Equal(destAddr.IP) && allowedAddr.Port == destAddr.Port) {
+		return 0, ErrUDPRemoteAddrMismatch
+	}
+	uc.access.Lock()
+	defer uc.access.Unlock()
 	return uc.Conn.Write(b)
 }
 

adapter/outbound/wireguard.go

@@ -0,0 +1,258 @@
+package outbound
+
+import (
+	"context"
+	"encoding/base64"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"net"
+	"net/netip"
+	"runtime"
+	"strconv"
+	"strings"
+	"sync"
+
+	CN "github.com/Dreamacro/clash/common/net"
+	"github.com/Dreamacro/clash/component/dialer"
+	"github.com/Dreamacro/clash/component/resolver"
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/listener/sing"
+
+	wireguard "github.com/metacubex/sing-wireguard"
+
+	"github.com/sagernet/sing/common"
+	"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"
+)
+
+type WireGuard struct {
+	*Base
+	bind      *wireguard.ClientBind
+	device    *device.Device
+	tunDevice wireguard.Device
+	dialer    *wgDialer
+	startOnce sync.Once
+	startErr  error
+}
+
+type WireGuardOption struct {
+	BasicOption
+	Name                string  `proxy:"name"`
+	Server              string  `proxy:"server"`
+	Port                int     `proxy:"port"`
+	Ip                  string  `proxy:"ip,omitempty"`
+	Ipv6                string  `proxy:"ipv6,omitempty"`
+	PrivateKey          string  `proxy:"private-key"`
+	PublicKey           string  `proxy:"public-key"`
+	PreSharedKey        string  `proxy:"pre-shared-key,omitempty"`
+	Reserved            []uint8 `proxy:"reserved,omitempty"`
+	Workers             int     `proxy:"workers,omitempty"`
+	MTU                 int     `proxy:"mtu,omitempty"`
+	UDP                 bool    `proxy:"udp,omitempty"`
+	PersistentKeepalive int     `proxy:"persistent-keepalive,omitempty"`
+}
+
+type wgDialer struct {
+	options []dialer.Option
+}
+
+func (d *wgDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+	return dialer.DialContext(ctx, network, destination.String(), d.options...)
+}
+
+func (d *wgDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+	return dialer.ListenPacket(ctx, dialer.ParseNetwork("udp", destination.Addr), "", d.options...)
+}
+
+func NewWireGuard(option WireGuardOption) (*WireGuard, error) {
+	outbound := &WireGuard{
+		Base: &Base{
+			name:   option.Name,
+			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
+			tp:     C.WireGuard,
+			udp:    option.UDP,
+			iface:  option.Interface,
+			rmark:  option.RoutingMark,
+			prefer: C.NewDNSPrefer(option.IPVersion),
+		},
+		dialer: &wgDialer{},
+	}
+	runtime.SetFinalizer(outbound, closeWireGuard)
+
+	var reserved [3]uint8
+	if len(option.Reserved) > 0 {
+		if len(option.Reserved) != 3 {
+			return nil, E.New("invalid reserved value, required 3 bytes, got ", len(option.Reserved))
+		}
+		reserved[0] = uint8(option.Reserved[0])
+		reserved[1] = uint8(option.Reserved[1])
+		reserved[2] = uint8(option.Reserved[2])
+	}
+	peerAddr := M.ParseSocksaddrHostPort(option.Server, uint16(option.Port))
+	outbound.bind = wireguard.NewClientBind(context.Background(), outbound.dialer, peerAddr, reserved)
+	localPrefixes := make([]netip.Prefix, 0, 2)
+	if len(option.Ip) > 0 {
+		if !strings.Contains(option.Ip, "/") {
+			option.Ip = option.Ip + "/32"
+		}
+		if prefix, err := netip.ParsePrefix(option.Ip); err == nil {
+			localPrefixes = append(localPrefixes, prefix)
+		} else {
+			return nil, E.Cause(err, "ip address parse error")
+		}
+	}
+	if len(option.Ipv6) > 0 {
+		if !strings.Contains(option.Ipv6, "/") {
+			option.Ipv6 = option.Ipv6 + "/128"
+		}
+		if prefix, err := netip.ParsePrefix(option.Ipv6); err == nil {
+			localPrefixes = append(localPrefixes, prefix)
+		} else {
+			return nil, E.Cause(err, "ipv6 address parse error")
+		}
+	}
+	if len(localPrefixes) == 0 {
+		return nil, E.New("missing local address")
+	}
+	var privateKey, peerPublicKey, preSharedKey string
+	{
+		bytes, err := base64.StdEncoding.DecodeString(option.PrivateKey)
+		if err != nil {
+			return nil, E.Cause(err, "decode private key")
+		}
+		privateKey = hex.EncodeToString(bytes)
+	}
+	{
+		bytes, err := base64.StdEncoding.DecodeString(option.PublicKey)
+		if err != nil {
+			return nil, E.Cause(err, "decode peer public key")
+		}
+		peerPublicKey = hex.EncodeToString(bytes)
+	}
+	if option.PreSharedKey != "" {
+		bytes, err := base64.StdEncoding.DecodeString(option.PreSharedKey)
+		if err != nil {
+			return nil, E.Cause(err, "decode pre shared key")
+		}
+		preSharedKey = hex.EncodeToString(bytes)
+	}
+	ipcConf := "private_key=" + privateKey
+	ipcConf += "\npublic_key=" + peerPublicKey
+	ipcConf += "\nendpoint=" + peerAddr.String()
+	if preSharedKey != "" {
+		ipcConf += "\npreshared_key=" + preSharedKey
+	}
+	var has4, has6 bool
+	for _, address := range localPrefixes {
+		if address.Addr().Is4() {
+			has4 = true
+		} else {
+			has6 = true
+		}
+	}
+	if has4 {
+		ipcConf += "\nallowed_ip=0.0.0.0/0"
+	}
+	if has6 {
+		ipcConf += "\nallowed_ip=::/0"
+	}
+	if option.PersistentKeepalive != 0 {
+		ipcConf += fmt.Sprintf("\npersistent_keepalive_interval=%d", option.PersistentKeepalive)
+	}
+	mtu := option.MTU
+	if mtu == 0 {
+		mtu = 1408
+	}
+	var err error
+	outbound.tunDevice, err = wireguard.NewStackDevice(localPrefixes, uint32(mtu))
+	if err != nil {
+		return nil, E.Cause(err, "create WireGuard device")
+	}
+	outbound.device = device.NewDevice(outbound.tunDevice, outbound.bind, &device.Logger{
+		Verbosef: func(format string, args ...interface{}) {
+			sing.Logger.Debug(fmt.Sprintf(strings.ToLower(format), args...))
+		},
+		Errorf: func(format string, args ...interface{}) {
+			sing.Logger.Error(fmt.Sprintf(strings.ToLower(format), args...))
+		},
+	}, option.Workers)
+	if debug.Enabled {
+		sing.Logger.Trace("created wireguard ipc conf: \n", ipcConf)
+	}
+	err = outbound.device.IpcSet(ipcConf)
+	if err != nil {
+		return nil, E.Cause(err, "setup wireguard")
+	}
+	//err = outbound.tunDevice.Start()
+	return outbound, nil
+}
+
+func closeWireGuard(w *WireGuard) {
+	if w.device != nil {
+		w.device.Close()
+	}
+	_ = common.Close(w.tunDevice)
+}
+
+func (w *WireGuard) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
+	w.dialer.options = opts
+	var conn net.Conn
+	w.startOnce.Do(func() {
+		w.startErr = w.tunDevice.Start()
+	})
+	if w.startErr != nil {
+		return nil, w.startErr
+	}
+	if !metadata.Resolved() {
+		var addrs []netip.Addr
+		addrs, err = resolver.LookupIP(ctx, metadata.Host)
+		if err != nil {
+			return nil, err
+		}
+		conn, err = N.DialSerial(ctx, w.tunDevice, "tcp", M.ParseSocksaddr(metadata.RemoteAddress()), addrs)
+	} else {
+		port, _ := strconv.Atoi(metadata.DstPort)
+		conn, err = w.tunDevice.DialContext(ctx, "tcp", M.SocksaddrFrom(metadata.DstIP, uint16(port)))
+	}
+	if err != nil {
+		return nil, err
+	}
+	if conn == nil {
+		return nil, E.New("conn is nil")
+	}
+	return NewConn(CN.NewRefConn(conn, w), w), nil
+}
+
+func (w *WireGuard) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
+	w.dialer.options = opts
+	var pc net.PacketConn
+	w.startOnce.Do(func() {
+		w.startErr = w.tunDevice.Start()
+	})
+	if w.startErr != nil {
+		return nil, w.startErr
+	}
+	if err != nil {
+		return nil, err
+	}
+	if !metadata.Resolved() {
+		ip, err := resolver.ResolveIP(ctx, metadata.Host)
+		if err != nil {
+			return nil, errors.New("can't resolve ip")
+		}
+		metadata.DstIP = ip
+	}
+	port, _ := strconv.Atoi(metadata.DstPort)
+	pc, err = w.tunDevice.ListenPacket(ctx, M.SocksaddrFrom(metadata.DstIP, uint16(port)))
+	if err != nil {
+		return nil, err
+	}
+	if pc == nil {
+		return nil, E.New("packetConn is nil")
+	}
+	return newPacketConn(CN.NewRefPacketConn(pc, w), w), nil
+}

adapter/outboundgroup/fallback.go

@@ -3,21 +3,19 @@ package outboundgroup
 import (
 	"context"
 	"encoding/json"
-	"github.com/Dreamacro/clash/log"
-	"go.uber.org/atomic"
-	"time"
-
+	"errors"
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
+	"time"
 )
 
 type Fallback struct {
 	*GroupBase
-	disableUDP  bool
-	failedTimes *atomic.Int32
-	failedTime  *atomic.Int64
+	disableUDP bool
+	testUrl    string
+	selected   string
 }
 
 func (f *Fallback) Now() string {
@@ -31,10 +29,9 @@ func (f *Fallback) DialContext(ctx context.Context, metadata *C.Metadata, opts .
 	c, err := proxy.DialContext(ctx, metadata, f.Base.DialOptions(opts...)...)
 	if err == nil {
 		c.AppendToChains(f)
-		f.failedTimes.Store(-1)
-		f.failedTime.Store(-1)
+		f.onDialSuccess()
 	} else {
-		f.onDialFailed()
+		f.onDialFailed(proxy.Type(), err)
 	}
 
 	return c, err
@@ -46,41 +43,11 @@ func (f *Fallback) ListenPacketContext(ctx context.Context, metadata *C.Metadata
 	pc, err := proxy.ListenPacketContext(ctx, metadata, f.Base.DialOptions(opts...)...)
 	if err == nil {
 		pc.AppendToChains(f)
-		f.failedTimes.Store(-1)
-		f.failedTime.Store(-1)
-	} else {
-		f.onDialFailed()
 	}
 
 	return pc, err
 }
 
-func (f *Fallback) onDialFailed() {
-	if f.failedTime.Load() == -1 {
-		log.Warnln("%s first failed", f.Name())
-		now := time.Now().UnixMilli()
-		f.failedTime.Store(now)
-		f.failedTimes.Store(1)
-	} else {
-		if f.failedTime.Load()-time.Now().UnixMilli() > 5*time.Second.Milliseconds() {
-			f.failedTimes.Store(-1)
-			f.failedTime.Store(-1)
-		} else {
-			failedCount := f.failedTimes.Inc()
-			log.Warnln("%s failed count: %d", f.Name(), failedCount)
-			if failedCount >= 5 {
-				log.Warnln("because %s failed multiple times, active health check", f.Name())
-				for _, proxyProvider := range f.providers {
-					go proxyProvider.HealthCheck()
-				}
-
-				f.failedTimes.Store(-1)
-				f.failedTime.Store(-1)
-			}
-		}
-	}
-}
-
 // SupportUDP implements C.ProxyAdapter
 func (f *Fallback) SupportUDP() bool {
 	if f.disableUDP {
@@ -105,22 +72,55 @@ func (f *Fallback) MarshalJSON() ([]byte, error) {
 }
 
 // Unwrap implements C.ProxyAdapter
-func (f *Fallback) Unwrap(metadata *C.Metadata) C.Proxy {
-	proxy := f.findAliveProxy(true)
+func (f *Fallback) Unwrap(metadata *C.Metadata, touch bool) C.Proxy {
+	proxy := f.findAliveProxy(touch)
 	return proxy
 }
 
 func (f *Fallback) findAliveProxy(touch bool) C.Proxy {
 	proxies := f.GetProxies(touch)
 	for _, proxy := range proxies {
-		if proxy.Alive() {
-			return proxy
+		if len(f.selected) == 0 {
+			if proxy.Alive() {
+				return proxy
+			}
+		} else {
+			if proxy.Name() == f.selected {
+				if proxy.Alive() {
+					return proxy
+				} else {
+					f.selected = ""
+				}
+			}
 		}
 	}
 
 	return proxies[0]
 }
 
+func (f *Fallback) Set(name string) error {
+	var p C.Proxy
+	for _, proxy := range f.GetProxies(false) {
+		if proxy.Name() == name {
+			p = proxy
+			break
+		}
+	}
+
+	if p == nil {
+		return errors.New("proxy not exist")
+	}
+
+	f.selected = name
+	if !p.Alive() {
+		ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*time.Duration(5000))
+		defer cancel()
+		_, _ = p.URLTest(ctx, f.testUrl)
+	}
+
+	return nil
+}
+
 func NewFallback(option *GroupCommonOption, providers []provider.ProxyProvider) *Fallback {
 	return &Fallback{
 		GroupBase: NewGroupBase(GroupBaseOption{
@@ -131,10 +131,10 @@ func NewFallback(option *GroupCommonOption, providers []provider.ProxyProvider)
 				RoutingMark: option.RoutingMark,
 			},
 			option.Filter,
+			option.ExcludeFilter,
 			providers,
 		}),
-		disableUDP:  option.DisableUDP,
-		failedTimes: atomic.NewInt32(-1),
-		failedTime:  atomic.NewInt64(-1),
+		disableUDP: option.DisableUDP,
+		testUrl:    option.URL,
 	}
 }

adapter/outboundgroup/groupbase.go

@@ -1,98 +1,265 @@
 package outboundgroup
 
 import (
+	"context"
+	"fmt"
 	"github.com/Dreamacro/clash/adapter/outbound"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
 	types "github.com/Dreamacro/clash/constant/provider"
+	"github.com/Dreamacro/clash/log"
 	"github.com/Dreamacro/clash/tunnel"
 	"github.com/dlclark/regexp2"
+	"go.uber.org/atomic"
+	"strings"
 	"sync"
+	"time"
 )
 
 type GroupBase struct {
 	*outbound.Base
-	filter    *regexp2.Regexp
-	providers []provider.ProxyProvider
-	versions  sync.Map // map[string]uint
-	proxies   sync.Map // map[string][]C.Proxy
+	filterRegs       []*regexp2.Regexp
+	excludeFilterReg *regexp2.Regexp
+	providers        []provider.ProxyProvider
+	failedTestMux    sync.Mutex
+	failedTimes      int
+	failedTime       time.Time
+	failedTesting    *atomic.Bool
+	proxies          [][]C.Proxy
+	versions         []atomic.Uint32
 }
 
 type GroupBaseOption struct {
 	outbound.BaseOption
-	filter    string
-	providers []provider.ProxyProvider
+	filter        string
+	excludeFilter string
+	providers     []provider.ProxyProvider
 }
 
 func NewGroupBase(opt GroupBaseOption) *GroupBase {
-	var filter *regexp2.Regexp = nil
-	if opt.filter != "" {
-		filter = regexp2.MustCompile(opt.filter, 0)
+	var excludeFilterReg *regexp2.Regexp
+	if opt.excludeFilter != "" {
+		excludeFilterReg = regexp2.MustCompile(opt.excludeFilter, 0)
 	}
-	return &GroupBase{
-		Base:      outbound.NewBase(opt.BaseOption),
-		filter:    filter,
-		providers: opt.providers,
+
+	var filterRegs []*regexp2.Regexp
+	if opt.filter != "" {
+		for _, filter := range strings.Split(opt.filter, "`") {
+			filterReg := regexp2.MustCompile(filter, 0)
+			filterRegs = append(filterRegs, filterReg)
+		}
+	}
+
+	gb := &GroupBase{
+		Base:             outbound.NewBase(opt.BaseOption),
+		filterRegs:       filterRegs,
+		excludeFilterReg: excludeFilterReg,
+		providers:        opt.providers,
+		failedTesting:    atomic.NewBool(false),
+	}
+
+	gb.proxies = make([][]C.Proxy, len(opt.providers))
+	gb.versions = make([]atomic.Uint32, len(opt.providers))
+
+	return gb
+}
+
+func (gb *GroupBase) Touch() {
+	for _, pd := range gb.providers {
+		pd.Touch()
 	}
 }
 
 func (gb *GroupBase) GetProxies(touch bool) []C.Proxy {
-	if gb.filter == nil {
-		var proxies []C.Proxy
+	var proxies []C.Proxy
+	if len(gb.filterRegs) == 0 {
 		for _, pd := range gb.providers {
 			if touch {
-				proxies = append(proxies, pd.ProxiesWithTouch()...)
-			} else {
-				proxies = append(proxies, pd.Proxies()...)
+				pd.Touch()
 			}
+			proxies = append(proxies, pd.Proxies()...)
 		}
-		if len(proxies) == 0 {
-			return append(proxies, tunnel.Proxies()["COMPATIBLE"])
-		}
-		return proxies
-	}
-	//TODO("Touch Version 没变的")
-	for _, pd := range gb.providers {
-		if pd.VehicleType() == types.Compatible {
+	} else {
+		for i, pd := range gb.providers {
 			if touch {
-				gb.proxies.Store(pd.Name(), pd.ProxiesWithTouch())
-			} else {
-				gb.proxies.Store(pd.Name(), pd.Proxies())
+				pd.Touch()
 			}
 
-			gb.versions.Store(pd.Name(), pd.Version())
-			continue
-		}
+			if pd.VehicleType() == types.Compatible {
+				gb.versions[i].Store(pd.Version())
+				gb.proxies[i] = pd.Proxies()
+				continue
+			}
 
-		if version, ok := gb.versions.Load(pd.Name()); !ok || version != pd.Version() {
-			var (
-				proxies    []C.Proxy
-				newProxies []C.Proxy
-			)
+			version := gb.versions[i].Load()
+			if version != pd.Version() && gb.versions[i].CompareAndSwap(version, pd.Version()) {
+				var (
+					proxies    []C.Proxy
+					newProxies []C.Proxy
+				)
 
-			if touch {
-				proxies = pd.ProxiesWithTouch()
-			} else {
 				proxies = pd.Proxies()
-			}
-
-			for _, p := range proxies {
-				if mat, _ := gb.filter.FindStringMatch(p.Name()); mat != nil {
-					newProxies = append(newProxies, p)
+				proxiesSet := map[string]struct{}{}
+				for _, filterReg := range gb.filterRegs {
+					for _, p := range proxies {
+						name := p.Name()
+						if mat, _ := filterReg.FindStringMatch(name); mat != nil {
+							if _, ok := proxiesSet[name]; !ok {
+								proxiesSet[name] = struct{}{}
+								newProxies = append(newProxies, p)
+							}
+						}
+					}
 				}
-			}
 
-			gb.proxies.Store(pd.Name(), newProxies)
-			gb.versions.Store(pd.Name(), pd.Version())
+				gb.proxies[i] = newProxies
+			}
+		}
+
+		for _, p := range gb.proxies {
+			proxies = append(proxies, p...)
 		}
 	}
-	var proxies []C.Proxy
-	gb.proxies.Range(func(key, value any) bool {
-		proxies = append(proxies, value.([]C.Proxy)...)
-		return true
-	})
+
 	if len(proxies) == 0 {
 		return append(proxies, tunnel.Proxies()["COMPATIBLE"])
 	}
+
+	if len(gb.providers) > 1 && len(gb.filterRegs) > 1 {
+		var newProxies []C.Proxy
+		proxiesSet := map[string]struct{}{}
+		for _, filterReg := range gb.filterRegs {
+			for _, p := range proxies {
+				name := p.Name()
+				if mat, _ := filterReg.FindStringMatch(name); mat != nil {
+					if _, ok := proxiesSet[name]; !ok {
+						proxiesSet[name] = struct{}{}
+						newProxies = append(newProxies, p)
+					}
+				}
+			}
+		}
+		for _, p := range proxies { // add not matched proxies at the end
+			name := p.Name()
+			if _, ok := proxiesSet[name]; !ok {
+				proxiesSet[name] = struct{}{}
+				newProxies = append(newProxies, p)
+			}
+		}
+		proxies = newProxies
+	}
+
+	if gb.excludeFilterReg != nil {
+		var newProxies []C.Proxy
+		for _, p := range proxies {
+			name := p.Name()
+			if mat, _ := gb.excludeFilterReg.FindStringMatch(name); mat != nil {
+				continue
+			}
+			newProxies = append(newProxies, p)
+		}
+		proxies = newProxies
+	}
+
 	return proxies
 }
+
+func (gb *GroupBase) URLTest(ctx context.Context, url string) (map[string]uint16, error) {
+	var wg sync.WaitGroup
+	var lock sync.Mutex
+	mp := map[string]uint16{}
+	proxies := gb.GetProxies(false)
+	for _, proxy := range proxies {
+		proxy := proxy
+		wg.Add(1)
+		go func() {
+			delay, err := proxy.URLTest(ctx, url)
+			if err == nil {
+				lock.Lock()
+				mp[proxy.Name()] = delay
+				lock.Unlock()
+			}
+
+			wg.Done()
+		}()
+	}
+	wg.Wait()
+
+	if len(mp) == 0 {
+		return mp, fmt.Errorf("get delay: all proxies timeout")
+	} else {
+		return mp, nil
+	}
+}
+
+func (gb *GroupBase) onDialFailed(adapterType C.AdapterType, err error) {
+	if adapterType == C.Direct || adapterType == C.Compatible || adapterType == C.Reject || adapterType == C.Pass {
+		return
+	}
+
+	if strings.Contains(err.Error(), "connection refused") {
+		go gb.healthCheck()
+		return
+	}
+
+	go func() {
+		gb.failedTestMux.Lock()
+		defer gb.failedTestMux.Unlock()
+
+		gb.failedTimes++
+		if gb.failedTimes == 1 {
+			log.Debugln("ProxyGroup: %s first failed", gb.Name())
+			gb.failedTime = time.Now()
+		} else {
+			if time.Since(gb.failedTime) > gb.failedTimeoutInterval() {
+				gb.failedTimes = 0
+				return
+			}
+
+			log.Debugln("ProxyGroup: %s failed count: %d", gb.Name(), gb.failedTimes)
+			if gb.failedTimes >= gb.maxFailedTimes() {
+				log.Warnln("because %s failed multiple times, active health check", gb.Name())
+				gb.healthCheck()
+			}
+		}
+	}()
+}
+
+func (gb *GroupBase) healthCheck() {
+	if gb.failedTesting.Load() {
+		return
+	}
+
+	gb.failedTesting.Store(true)
+	wg := sync.WaitGroup{}
+	for _, proxyProvider := range gb.providers {
+		wg.Add(1)
+		proxyProvider := proxyProvider
+		go func() {
+			defer wg.Done()
+			proxyProvider.HealthCheck()
+		}()
+	}
+
+	wg.Wait()
+	gb.failedTesting.Store(false)
+	gb.failedTimes = 0
+}
+
+func (gb *GroupBase) failedIntervalTime() int64 {
+	return 5 * time.Second.Milliseconds()
+}
+
+func (gb *GroupBase) onDialSuccess() {
+	if !gb.failedTesting.Load() {
+		gb.failedTimes = 0
+	}
+}
+
+func (gb *GroupBase) maxFailedTimes() int {
+	return 5
+}
+
+func (gb *GroupBase) failedTimeoutInterval() time.Duration {
+	return 5 * time.Second
+}

adapter/outboundgroup/loadbalance.go

@@ -5,7 +5,9 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"github.com/Dreamacro/clash/common/cache"
 	"net"
+	"time"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/common/murmur3"
@@ -27,15 +29,17 @@ type LoadBalance struct {
 var errStrategy = errors.New("unsupported strategy")
 
 func parseStrategy(config map[string]any) string {
-	if elm, ok := config["strategy"]; ok {
-		if strategy, ok := elm.(string); ok {
-			return strategy
-		}
+	if strategy, ok := config["strategy"].(string); ok {
+		return strategy
 	}
 	return "consistent-hashing"
 }
 
 func getKey(metadata *C.Metadata) string {
+	if metadata == nil {
+		return ""
+	}
+
 	if metadata.Host != "" {
 		// ip host
 		if ip := net.ParseIP(metadata.Host); ip != nil {
@@ -54,6 +58,16 @@ func getKey(metadata *C.Metadata) string {
 	return metadata.DstIP.String()
 }
 
+func getKeyWithSrcAndDst(metadata *C.Metadata) string {
+	dst := getKey(metadata)
+	src := ""
+	if metadata != nil {
+		src = metadata.SrcIP.String()
+	}
+
+	return fmt.Sprintf("%s%s", src, dst)
+}
+
 func jumpHash(key uint64, buckets int32) int32 {
 	var b, j int64
 
@@ -68,14 +82,17 @@ func jumpHash(key uint64, buckets int32) int32 {
 
 // DialContext implements C.ProxyAdapter
 func (lb *LoadBalance) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (c C.Conn, err error) {
+	proxy := lb.Unwrap(metadata, true)
+
 	defer func() {
 		if err == nil {
 			c.AppendToChains(lb)
+			lb.onDialSuccess()
+		} else {
+			lb.onDialFailed(proxy.Type(), err)
 		}
 	}()
 
-	proxy := lb.Unwrap(metadata)
-
 	c, err = proxy.DialContext(ctx, metadata, lb.Base.DialOptions(opts...)...)
 	return
 }
@@ -88,7 +105,7 @@ func (lb *LoadBalance) ListenPacketContext(ctx context.Context, metadata *C.Meta
 		}
 	}()
 
-	proxy := lb.Unwrap(metadata)
+	proxy := lb.Unwrap(metadata, true)
 	return proxy.ListenPacketContext(ctx, metadata, lb.Base.DialOptions(opts...)...)
 }
 
@@ -126,19 +143,61 @@ func strategyConsistentHashing() strategyFn {
 			}
 		}
 
+		// when availability is poor, traverse the entire list to get the available nodes
+		for _, proxy := range proxies {
+			if proxy.Alive() {
+				return proxy
+			}
+		}
+
+		return proxies[0]
+	}
+}
+
+func strategyStickySessions() strategyFn {
+	ttl := time.Minute * 10
+	maxRetry := 5
+	lruCache := cache.New[uint64, int](
+		cache.WithAge[uint64, int](int64(ttl.Seconds())),
+		cache.WithSize[uint64, int](1000))
+	return func(proxies []C.Proxy, metadata *C.Metadata) C.Proxy {
+		key := uint64(murmur3.Sum32([]byte(getKeyWithSrcAndDst(metadata))))
+		length := len(proxies)
+		idx, has := lruCache.Get(key)
+		if !has {
+			idx = int(jumpHash(key+uint64(time.Now().UnixNano()), int32(length)))
+		}
+
+		nowIdx := idx
+		for i := 1; i < maxRetry; i++ {
+			proxy := proxies[nowIdx]
+			if proxy.Alive() {
+				if nowIdx != idx {
+					lruCache.Delete(key)
+					lruCache.Set(key, nowIdx)
+				}
+
+				return proxy
+			} else {
+				nowIdx = int(jumpHash(key+uint64(time.Now().UnixNano()), int32(length)))
+			}
+		}
+
+		lruCache.Delete(key)
+		lruCache.Set(key, 0)
 		return proxies[0]
 	}
 }
 
 // Unwrap implements C.ProxyAdapter
-func (lb *LoadBalance) Unwrap(metadata *C.Metadata) C.Proxy {
-	proxies := lb.GetProxies(true)
+func (lb *LoadBalance) Unwrap(metadata *C.Metadata, touch bool) C.Proxy {
+	proxies := lb.GetProxies(touch)
 	return lb.strategyFn(proxies, metadata)
 }
 
 // MarshalJSON implements C.ProxyAdapter
 func (lb *LoadBalance) MarshalJSON() ([]byte, error) {
-	all := []string{}
+	var all []string
 	for _, proxy := range lb.GetProxies(false) {
 		all = append(all, proxy.Name())
 	}
@@ -155,6 +214,8 @@ func NewLoadBalance(option *GroupCommonOption, providers []provider.ProxyProvide
 		strategyFn = strategyConsistentHashing()
 	case "round-robin":
 		strategyFn = strategyRoundRobin()
+	case "sticky-sessions":
+		strategyFn = strategyStickySessions()
 	default:
 		return nil, fmt.Errorf("%w: %s", errStrategy, strategy)
 	}
@@ -167,6 +228,7 @@ func NewLoadBalance(option *GroupCommonOption, providers []provider.ProxyProvide
 				RoutingMark: option.RoutingMark,
 			},
 			option.Filter,
+			option.ExcludeFilter,
 			providers,
 		}),
 		strategyFn: strategyFn,

adapter/outboundgroup/parser.go

@@ -21,15 +21,16 @@ var (
 
 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"`
+	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"`
 }
 
 func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, providersMap map[string]types.ProxyProvider) (C.ProxyAdapter, error) {
@@ -75,8 +76,12 @@ func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, provide
 			providers = append(providers, pd)
 			providersMap[groupName] = pd
 		} else {
-			if groupOption.URL == "" || groupOption.Interval == 0 {
-				return nil, errMissHealthCheck
+			if groupOption.URL == "" {
+				groupOption.URL = "http://www.gstatic.com/generate_204"
+			}
+
+			if groupOption.Interval == 0 {
+				groupOption.Interval = 300
 			}
 
 			hc := provider.NewHealthCheck(ps, groupOption.URL, uint(groupOption.Interval), groupOption.Lazy)

adapter/outboundgroup/relay.go

@@ -3,9 +3,12 @@ package outboundgroup
 import (
 	"context"
 	"encoding/json"
-	"fmt"
+	"net"
+	"net/netip"
+	"strings"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
+	N "github.com/Dreamacro/clash/common/net"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
@@ -15,6 +18,36 @@ type Relay struct {
 	*GroupBase
 }
 
+type proxyDialer struct {
+	proxy  C.Proxy
+	dialer C.Dialer
+}
+
+func (p proxyDialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
+	currentMeta, err := addrToMetadata(address)
+	if err != nil {
+		return nil, err
+	}
+	if strings.Contains(network, "udp") { // should not support this operation
+		currentMeta.NetWork = C.UDP
+		pc, err := p.proxy.ListenPacketWithDialer(ctx, p.dialer, currentMeta)
+		if err != nil {
+			return nil, err
+		}
+		return N.NewBindPacketConn(pc, currentMeta.UDPAddr()), nil
+	}
+	return p.proxy.DialContextWithDialer(ctx, p.dialer, currentMeta)
+}
+
+func (p proxyDialer) ListenPacket(ctx context.Context, network, address string, rAddrPort netip.AddrPort) (net.PacketConn, error) {
+	currentMeta, err := addrToMetadata(rAddrPort.String())
+	if err != nil {
+		return nil, err
+	}
+	currentMeta.NetWork = C.UDP
+	return p.proxy.ListenPacketWithDialer(ctx, p.dialer, currentMeta)
+}
+
 // DialContext implements C.ProxyAdapter
 func (r *Relay) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
 	proxies, chainProxies := r.proxies(metadata, true)
@@ -25,37 +58,19 @@ func (r *Relay) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 	case 1:
 		return proxies[0].DialContext(ctx, metadata, r.Base.DialOptions(opts...)...)
 	}
-
-	first := proxies[0]
+	var d C.Dialer
+	d = dialer.NewDialer(r.Base.DialOptions(opts...)...)
+	for _, proxy := range proxies[:len(proxies)-1] {
+		d = proxyDialer{
+			proxy:  proxy,
+			dialer: d,
+		}
+	}
 	last := proxies[len(proxies)-1]
-
-	c, err := dialer.DialContext(ctx, "tcp", first.Addr(), r.Base.DialOptions(opts...)...)
+	conn, err := last.DialContextWithDialer(ctx, d, metadata)
 	if err != nil {
-		return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
+		return nil, err
 	}
-	tcpKeepAlive(c)
-
-	var currentMeta *C.Metadata
-	for _, proxy := range proxies[1:] {
-		currentMeta, err = addrToMetadata(proxy.Addr())
-		if err != nil {
-			return nil, err
-		}
-
-		c, err = first.StreamConn(c, currentMeta)
-		if err != nil {
-			return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
-		}
-
-		first = proxy
-	}
-
-	c, err = last.StreamConn(c, metadata)
-	if err != nil {
-		return nil, fmt.Errorf("%s connect error: %w", last.Addr(), err)
-	}
-
-	conn := outbound.NewConn(c, last)
 
 	for i := len(chainProxies) - 2; i >= 0; i-- {
 		conn.AppendToChains(chainProxies[i])
@@ -77,39 +92,18 @@ func (r *Relay) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 		return proxies[0].ListenPacketContext(ctx, metadata, r.Base.DialOptions(opts...)...)
 	}
 
-	first := proxies[0]
+	var d C.Dialer
+	d = dialer.NewDialer(r.Base.DialOptions(opts...)...)
+	for _, proxy := range proxies[:len(proxies)-1] {
+		d = proxyDialer{
+			proxy:  proxy,
+			dialer: d,
+		}
+	}
 	last := proxies[len(proxies)-1]
-
-	c, err := dialer.DialContext(ctx, "tcp", first.Addr(), r.Base.DialOptions(opts...)...)
+	pc, err := last.ListenPacketWithDialer(ctx, d, metadata)
 	if err != nil {
-		return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
-	}
-	tcpKeepAlive(c)
-
-	var currentMeta *C.Metadata
-	for _, proxy := range proxies[1:] {
-		currentMeta, err = addrToMetadata(proxy.Addr())
-		if err != nil {
-			return nil, err
-		}
-
-		c, err = first.StreamConn(c, currentMeta)
-		if err != nil {
-			return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
-		}
-
-		first = proxy
-	}
-
-	c, err = last.StreamConn(c, metadata)
-	if err != nil {
-		return nil, fmt.Errorf("%s connect error: %w", last.Addr(), err)
-	}
-
-	var pc C.PacketConn
-	pc, err = last.ListenPacketOnStreamConn(c, metadata)
-	if err != nil {
-		return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
+		return nil, err
 	}
 
 	for i := len(chainProxies) - 2; i >= 0; i-- {
@@ -127,8 +121,19 @@ func (r *Relay) SupportUDP() bool {
 	if len(proxies) == 0 { // C.Direct
 		return true
 	}
-	last := proxies[len(proxies)-1]
-	return last.SupportUDP() && last.SupportUOT()
+	for i := len(proxies) - 1; i >= 0; i-- {
+		proxy := proxies[i]
+		if !proxy.SupportUDP() {
+			return false
+		}
+		if proxy.SupportUOT() {
+			return true
+		}
+		if !proxy.SupportWithDialer() {
+			return false
+		}
+	}
+	return true
 }
 
 // MarshalJSON implements C.ProxyAdapter
@@ -153,11 +158,11 @@ func (r *Relay) proxies(metadata *C.Metadata, touch bool) ([]C.Proxy, []C.Proxy)
 	for n, proxy := range rawProxies {
 		proxies = append(proxies, proxy)
 		chainProxies = append(chainProxies, proxy)
-		subproxy := proxy.Unwrap(metadata)
+		subproxy := proxy.Unwrap(metadata, touch)
 		for subproxy != nil {
 			chainProxies = append(chainProxies, subproxy)
 			proxies[n] = subproxy
-			subproxy = subproxy.Unwrap(metadata)
+			subproxy = subproxy.Unwrap(metadata, touch)
 		}
 	}
 
@@ -170,6 +175,11 @@ func (r *Relay) proxies(metadata *C.Metadata, touch bool) ([]C.Proxy, []C.Proxy)
 	return targetProxies, chainProxies
 }
 
+func (r *Relay) Addr() string {
+	proxies, _ := r.proxies(nil, true)
+	return proxies[len(proxies)-1].Addr()
+}
+
 func NewRelay(option *GroupCommonOption, providers []provider.ProxyProvider) *Relay {
 	return &Relay{
 		GroupBase: NewGroupBase(GroupBaseOption{
@@ -180,6 +190,7 @@ func NewRelay(option *GroupCommonOption, providers []provider.ProxyProvider) *Re
 				RoutingMark: option.RoutingMark,
 			},
 			"",
+			"",
 			providers,
 		}),
 	}

adapter/outboundgroup/selector.go

@@ -74,8 +74,8 @@ func (s *Selector) Set(name string) error {
 }
 
 // Unwrap implements C.ProxyAdapter
-func (s *Selector) Unwrap(*C.Metadata) C.Proxy {
-	return s.selectedProxy(true)
+func (s *Selector) Unwrap(metadata *C.Metadata, touch bool) C.Proxy {
+	return s.selectedProxy(touch)
 }
 
 func (s *Selector) selectedProxy(touch bool) C.Proxy {
@@ -99,6 +99,7 @@ func NewSelector(option *GroupCommonOption, providers []provider.ProxyProvider)
 				RoutingMark: option.RoutingMark,
 			},
 			option.Filter,
+			option.ExcludeFilter,
 			providers,
 		}),
 		selected:   "COMPATIBLE",

adapter/outboundgroup/urltest.go

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

adapter/outboundgroup/util.go

@@ -16,32 +16,19 @@ func addrToMetadata(rawAddress string) (addr *C.Metadata, err error) {
 		return
 	}
 
-	ip, err := netip.ParseAddr(host)
-	if err != nil {
+	if ip, err := netip.ParseAddr(host); err != nil {
 		addr = &C.Metadata{
-			AddrType: C.AtypDomainName,
-			Host:     host,
-			DstIP:    netip.Addr{},
-			DstPort:  port,
+			Host:    host,
+			DstPort: port,
 		}
-		err = nil
-		return
-	} else if ip.Is4() {
+	} else {
 		addr = &C.Metadata{
-			AddrType: C.AtypIPv4,
-			Host:     "",
-			DstIP:    ip,
-			DstPort:  port,
+			Host:    "",
+			DstIP:   ip.Unmap(),
+			DstPort: port,
 		}
-		return
 	}
 
-	addr = &C.Metadata{
-		AddrType: C.AtypIPv6,
-		Host:     "",
-		DstIP:    ip,
-		DstPort:  port,
-	}
 	return
 }
 
@@ -51,3 +38,7 @@ func tcpKeepAlive(c net.Conn) {
 		_ = tcp.SetKeepAlivePeriod(30 * time.Second)
 	}
 }
+
+type SelectAble interface {
+	Set(string) error
+}

adapter/parser.go

@@ -2,14 +2,13 @@ package adapter
 
 import (
 	"fmt"
-
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/common/structure"
 	C "github.com/Dreamacro/clash/constant"
 )
 
 func ParseProxy(mapping map[string]any) (C.Proxy, error) {
-	decoder := structure.NewDecoder(structure.Option{TagName: "proxy", WeaklyTypedInput: true})
+	decoder := structure.NewDecoder(structure.Option{TagName: "proxy", WeaklyTypedInput: true, KeyReplacer: structure.DefaultKeyReplacer})
 	proxyType, existType := mapping["type"].(string)
 	if !existType {
 		return nil, fmt.Errorf("missing type")
@@ -40,14 +39,14 @@ func ParseProxy(mapping map[string]any) (C.Proxy, error) {
 		if err != nil {
 			break
 		}
-		proxy = outbound.NewSocks5(*socksOption)
+		proxy, err = outbound.NewSocks5(*socksOption)
 	case "http":
 		httpOption := &outbound.HttpOption{}
 		err = decoder.Decode(mapping, httpOption)
 		if err != nil {
 			break
 		}
-		proxy = outbound.NewHttp(*httpOption)
+		proxy, err = outbound.NewHttp(*httpOption)
 	case "vmess":
 		vmessOption := &outbound.VmessOption{
 			HTTPOpts: outbound.HTTPOptions{
@@ -81,6 +80,27 @@ func ParseProxy(mapping map[string]any) (C.Proxy, error) {
 			break
 		}
 		proxy, err = outbound.NewTrojan(*trojanOption)
+	case "hysteria":
+		hyOption := &outbound.HysteriaOption{}
+		err = decoder.Decode(mapping, hyOption)
+		if err != nil {
+			break
+		}
+		proxy, err = outbound.NewHysteria(*hyOption)
+	case "wireguard":
+		wgOption := &outbound.WireGuardOption{}
+		err = decoder.Decode(mapping, wgOption)
+		if err != nil {
+			break
+		}
+		proxy, err = outbound.NewWireGuard(*wgOption)
+	case "tuic":
+		tuicOption := &outbound.TuicOption{}
+		err = decoder.Decode(mapping, tuicOption)
+		if err != nil {
+			break
+		}
+		proxy, err = outbound.NewTuic(*tuicOption)
 	default:
 		return nil, fmt.Errorf("unsupport proxy type: %s", proxyType)
 	}

adapter/provider/fetcher.go

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

adapter/provider/healthcheck.go

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

adapter/provider/parser.go

@@ -3,6 +3,7 @@ package provider
 import (
 	"errors"
 	"fmt"
+	"github.com/Dreamacro/clash/component/resource"
 	"time"
 
 	"github.com/Dreamacro/clash/common/structure"
@@ -20,12 +21,13 @@ type healthCheckSchema struct {
 }
 
 type proxyProviderSchema struct {
-	Type        string            `provider:"type"`
-	Path        string            `provider:"path"`
-	URL         string            `provider:"url,omitempty"`
-	Interval    int               `provider:"interval,omitempty"`
-	Filter      string            `provider:"filter,omitempty"`
-	HealthCheck healthCheckSchema `provider:"health-check,omitempty"`
+	Type          string            `provider:"type"`
+	Path          string            `provider:"path"`
+	URL           string            `provider:"url,omitempty"`
+	Interval      int               `provider:"interval,omitempty"`
+	Filter        string            `provider:"filter,omitempty"`
+	ExcludeFilter string            `provider:"exclude-filter,omitempty"`
+	HealthCheck   healthCheckSchema `provider:"health-check,omitempty"`
 }
 
 func ParseProxyProvider(name string, mapping map[string]any) (types.ProxyProvider, error) {
@@ -51,14 +53,15 @@ func ParseProxyProvider(name string, mapping map[string]any) (types.ProxyProvide
 	var vehicle types.Vehicle
 	switch schema.Type {
 	case "file":
-		vehicle = NewFileVehicle(path)
+		vehicle = resource.NewFileVehicle(path)
 	case "http":
-		vehicle = NewHTTPVehicle(schema.URL, path)
+		vehicle = resource.NewHTTPVehicle(schema.URL, path)
 	default:
 		return nil, fmt.Errorf("%w: %s", errVehicleType, schema.Type)
 	}
 
 	interval := time.Duration(uint(schema.Interval)) * time.Second
 	filter := schema.Filter
-	return NewProxySetProvider(name, interval, filter, vehicle, hc)
+	excludeFilter := schema.ExcludeFilter
+	return NewProxySetProvider(name, interval, filter, excludeFilter, vehicle, hc)
 }

adapter/provider/provider.go

@@ -1,19 +1,24 @@
 package provider
 
 import (
+	"context"
 	"encoding/json"
 	"errors"
 	"fmt"
 	"github.com/dlclark/regexp2"
-	"math"
+	"gopkg.in/yaml.v3"
+	"net/http"
 	"runtime"
+	"strings"
 	"time"
 
 	"github.com/Dreamacro/clash/adapter"
+	"github.com/Dreamacro/clash/common/convert"
+	clashHttp "github.com/Dreamacro/clash/component/http"
+	"github.com/Dreamacro/clash/component/resource"
 	C "github.com/Dreamacro/clash/constant"
 	types "github.com/Dreamacro/clash/constant/provider"
-
-	"gopkg.in/yaml.v2"
+	"github.com/Dreamacro/clash/log"
 )
 
 const (
@@ -24,35 +29,36 @@ type ProxySchema struct {
 	Proxies []map[string]any `yaml:"proxies"`
 }
 
-// for auto gc
+// ProxySetProvider for auto gc
 type ProxySetProvider struct {
 	*proxySetProvider
 }
 
 type proxySetProvider struct {
-	*fetcher
-	proxies     []C.Proxy
-	healthCheck *HealthCheck
-	version     uint
-}
-
-func (pp *proxySetProvider) Version() uint {
-	return pp.version
+	*resource.Fetcher[[]C.Proxy]
+	proxies          []C.Proxy
+	healthCheck      *HealthCheck
+	version          uint32
+	subscriptionInfo *SubscriptionInfo
 }
 
 func (pp *proxySetProvider) MarshalJSON() ([]byte, error) {
 	return json.Marshal(map[string]any{
-		"name":        pp.Name(),
-		"type":        pp.Type().String(),
-		"vehicleType": pp.VehicleType().String(),
-		"proxies":     pp.Proxies(),
-		//TODO maybe error because year value overflow
-		"updatedAt": pp.updatedAt,
+		"name":             pp.Name(),
+		"type":             pp.Type().String(),
+		"vehicleType":      pp.VehicleType().String(),
+		"proxies":          pp.Proxies(),
+		"updatedAt":        pp.UpdatedAt,
+		"subscriptionInfo": pp.subscriptionInfo,
 	})
 }
 
+func (pp *proxySetProvider) Version() uint32 {
+	return pp.version
+}
+
 func (pp *proxySetProvider) Name() string {
-	return pp.name
+	return pp.Fetcher.Name()
 }
 
 func (pp *proxySetProvider) HealthCheck() {
@@ -60,24 +66,19 @@ func (pp *proxySetProvider) HealthCheck() {
 }
 
 func (pp *proxySetProvider) Update() error {
-	elm, same, err := pp.fetcher.Update()
+	elm, same, err := pp.Fetcher.Update()
 	if err == nil && !same {
-		pp.onUpdate(elm)
+		pp.OnUpdate(elm)
 	}
 	return err
 }
 
 func (pp *proxySetProvider) Initial() error {
-	elm, err := pp.fetcher.Initial()
+	elm, err := pp.Fetcher.Initial()
 	if err != nil {
 		return err
 	}
-
-	pp.onUpdate(elm)
-	if pp.healthCheck.auto() {
-		go pp.healthCheck.process()
-	}
-
+	pp.OnUpdate(elm)
 	return nil
 }
 
@@ -89,30 +90,73 @@ func (pp *proxySetProvider) Proxies() []C.Proxy {
 	return pp.proxies
 }
 
-func (pp *proxySetProvider) ProxiesWithTouch() []C.Proxy {
+func (pp *proxySetProvider) Touch() {
 	pp.healthCheck.touch()
-	return pp.Proxies()
 }
 
 func (pp *proxySetProvider) setProxies(proxies []C.Proxy) {
 	pp.proxies = proxies
 	pp.healthCheck.setProxy(proxies)
 	if pp.healthCheck.auto() {
-		go pp.healthCheck.check()
+		defer func() { go pp.healthCheck.lazyCheck() }()
 	}
+}
 
+func (pp *proxySetProvider) getSubscriptionInfo() {
+	if pp.VehicleType() != types.HTTP {
+		return
+	}
+	go func() {
+		ctx, cancel := context.WithTimeout(context.Background(), time.Second*90)
+		defer cancel()
+		resp, err := clashHttp.HttpRequest(ctx, pp.Vehicle().(*resource.HTTPVehicle).Url(),
+			http.MethodGet, http.Header{"User-Agent": {"clash"}}, nil)
+		if err != nil {
+			return
+		}
+		defer resp.Body.Close()
+
+		userInfoStr := strings.TrimSpace(resp.Header.Get("subscription-userinfo"))
+		if userInfoStr == "" {
+			resp2, err := clashHttp.HttpRequest(ctx, pp.Vehicle().(*resource.HTTPVehicle).Url(),
+				http.MethodGet, http.Header{"User-Agent": {"Quantumultx"}}, nil)
+			if err != nil {
+				return
+			}
+			defer resp2.Body.Close()
+			userInfoStr = strings.TrimSpace(resp2.Header.Get("subscription-userinfo"))
+			if userInfoStr == "" {
+				return
+			}
+		}
+		pp.subscriptionInfo, err = NewSubscriptionInfo(userInfoStr)
+		if err != nil {
+			log.Warnln("[Provider] get subscription-userinfo: %e", err)
+		}
+	}()
 }
 
 func stopProxyProvider(pd *ProxySetProvider) {
 	pd.healthCheck.close()
-	pd.fetcher.Destroy()
+	_ = pd.Fetcher.Destroy()
 }
 
-func NewProxySetProvider(name string, interval time.Duration, filter string, vehicle types.Vehicle, hc *HealthCheck) (*ProxySetProvider, error) {
-	//filterReg, err := regexp.Compile(filter)
-	filterReg, err := regexp2.Compile(filter, 0)
+func NewProxySetProvider(name string, interval time.Duration, filter string, excludeFilter string, vehicle types.Vehicle, hc *HealthCheck) (*ProxySetProvider, error) {
+	excludeFilterReg, err := regexp2.Compile(excludeFilter, 0)
 	if err != nil {
-		return nil, fmt.Errorf("invalid filter regex: %w", err)
+		return nil, fmt.Errorf("invalid excludeFilter regex: %w", err)
+	}
+	var filterRegs []*regexp2.Regexp
+	for _, filter := range strings.Split(filter, "`") {
+		filterReg, err := regexp2.Compile(filter, 0)
+		if err != nil {
+			return nil, fmt.Errorf("invalid filter regex: %w", err)
+		}
+		filterRegs = append(filterRegs, filterReg)
+	}
+
+	if hc.auto() {
+		go hc.process()
 	}
 
 	pd := &proxySetProvider{
@@ -120,60 +164,16 @@ func NewProxySetProvider(name string, interval time.Duration, filter string, veh
 		healthCheck: hc,
 	}
 
-	onUpdate := func(elm any) {
-		ret := elm.([]C.Proxy)
-		pd.setProxies(ret)
-		if pd.version == math.MaxUint {
-			pd.version = 0
-		} else {
-			pd.version++
-		}
-	}
-
-	proxiesParseAndFilter := func(buf []byte) (any, error) {
-		schema := &ProxySchema{}
-
-		if err := yaml.Unmarshal(buf, schema); err != nil {
-			return nil, err
-		}
-
-		if schema.Proxies == nil {
-			return nil, errors.New("file must have a `proxies` field")
-		}
-
-		proxies := []C.Proxy{}
-		for idx, mapping := range schema.Proxies {
-			name, ok := mapping["name"]
-			mat, _ := filterReg.FindStringMatch(name.(string))
-			if ok && len(filter) > 0 && mat == nil {
-				continue
-			}
-			proxy, err := adapter.ParseProxy(mapping)
-			if err != nil {
-				return nil, fmt.Errorf("proxy %d error: %w", idx, err)
-			}
-			proxies = append(proxies, proxy)
-		}
-
-		if len(proxies) == 0 {
-			if len(filter) > 0 {
-				return nil, errors.New("doesn't match any proxy, please check your filter")
-			}
-			return nil, errors.New("file doesn't have any proxy")
-		}
-
-		return proxies, nil
-	}
-
-	fetcher := newFetcher(name, interval, vehicle, proxiesParseAndFilter, onUpdate)
-	pd.fetcher = fetcher
+	fetcher := resource.NewFetcher[[]C.Proxy](name, interval, vehicle, proxiesParseAndFilter(filter, excludeFilter, filterRegs, excludeFilterReg), proxiesOnUpdate(pd))
+	pd.Fetcher = fetcher
 
+	pd.getSubscriptionInfo()
 	wrapper := &ProxySetProvider{pd}
 	runtime.SetFinalizer(wrapper, stopProxyProvider)
 	return wrapper, nil
 }
 
-// for auto gc
+// CompatibleProvider for auto gc
 type CompatibleProvider struct {
 	*compatibleProvider
 }
@@ -182,11 +182,7 @@ type compatibleProvider struct {
 	name        string
 	healthCheck *HealthCheck
 	proxies     []C.Proxy
-	version     uint
-}
-
-func (cp *compatibleProvider) Version() uint {
-	return cp.version
+	version     uint32
 }
 
 func (cp *compatibleProvider) MarshalJSON() ([]byte, error) {
@@ -198,6 +194,10 @@ func (cp *compatibleProvider) MarshalJSON() ([]byte, error) {
 	})
 }
 
+func (cp *compatibleProvider) Version() uint32 {
+	return cp.version
+}
+
 func (cp *compatibleProvider) Name() string {
 	return cp.name
 }
@@ -211,10 +211,6 @@ func (cp *compatibleProvider) Update() error {
 }
 
 func (cp *compatibleProvider) Initial() error {
-	if cp.healthCheck.auto() {
-		go cp.healthCheck.process()
-	}
-
 	return nil
 }
 
@@ -230,9 +226,8 @@ func (cp *compatibleProvider) Proxies() []C.Proxy {
 	return cp.proxies
 }
 
-func (cp *compatibleProvider) ProxiesWithTouch() []C.Proxy {
+func (cp *compatibleProvider) Touch() {
 	cp.healthCheck.touch()
-	return cp.Proxies()
 }
 
 func stopCompatibleProvider(pd *CompatibleProvider) {
@@ -244,6 +239,10 @@ func NewCompatibleProvider(name string, proxies []C.Proxy, hc *HealthCheck) (*Co
 		return nil, errors.New("provider need one proxy at least")
 	}
 
+	if hc.auto() {
+		go hc.process()
+	}
+
 	pd := &compatibleProvider{
 		name:        name,
 		proxies:     proxies,
@@ -254,3 +253,72 @@ func NewCompatibleProvider(name string, proxies []C.Proxy, hc *HealthCheck) (*Co
 	runtime.SetFinalizer(wrapper, stopCompatibleProvider)
 	return wrapper, nil
 }
+
+func proxiesOnUpdate(pd *proxySetProvider) func([]C.Proxy) {
+	return func(elm []C.Proxy) {
+		pd.setProxies(elm)
+		pd.version += 1
+		pd.getSubscriptionInfo()
+	}
+}
+
+func proxiesParseAndFilter(filter string, excludeFilter string, filterRegs []*regexp2.Regexp, excludeFilterReg *regexp2.Regexp) resource.Parser[[]C.Proxy] {
+	return func(buf []byte) ([]C.Proxy, error) {
+		schema := &ProxySchema{}
+
+		if err := yaml.Unmarshal(buf, schema); err != nil {
+			proxies, err1 := convert.ConvertsV2Ray(buf)
+			if err1 != nil {
+				return nil, fmt.Errorf("%s, %w", err.Error(), err1)
+			}
+			schema.Proxies = proxies
+		}
+
+		if schema.Proxies == nil {
+			return nil, errors.New("file must have a `proxies` field")
+		}
+
+		proxies := []C.Proxy{}
+		proxiesSet := map[string]struct{}{}
+		for _, filterReg := range filterRegs {
+			for idx, mapping := range schema.Proxies {
+				mName, ok := mapping["name"]
+				if !ok {
+					continue
+				}
+				name, ok := mName.(string)
+				if !ok {
+					continue
+				}
+				if len(excludeFilter) > 0 {
+					if mat, _ := excludeFilterReg.FindStringMatch(name); mat != nil {
+						continue
+					}
+				}
+				if len(filter) > 0 {
+					if mat, _ := filterReg.FindStringMatch(name); mat == nil {
+						continue
+					}
+				}
+				if _, ok := proxiesSet[name]; ok {
+					continue
+				}
+				proxy, err := adapter.ParseProxy(mapping)
+				if err != nil {
+					return nil, fmt.Errorf("proxy %d error: %w", idx, err)
+				}
+				proxiesSet[name] = struct{}{}
+				proxies = append(proxies, proxy)
+			}
+		}
+
+		if len(proxies) == 0 {
+			if len(filter) > 0 {
+				return nil, errors.New("doesn't match any proxy, please check your filter")
+			}
+			return nil, errors.New("file doesn't have any proxy")
+		}
+
+		return proxies, nil
+	}
+}

adapter/provider/subscription_info.go

@@ -0,0 +1,57 @@
+package provider
+
+import (
+	"github.com/dlclark/regexp2"
+	"strconv"
+	"strings"
+)
+
+type SubscriptionInfo struct {
+	Upload   int64
+	Download int64
+	Total    int64
+	Expire   int64
+}
+
+func NewSubscriptionInfo(str string) (si *SubscriptionInfo, err error) {
+	si = &SubscriptionInfo{}
+	str = strings.ToLower(str)
+	reTraffic := regexp2.MustCompile("upload=(\\d+); download=(\\d+); total=(\\d+)", 0)
+	reExpire := regexp2.MustCompile("expire=(\\d+)", 0)
+
+	match, err := reTraffic.FindStringMatch(str)
+	if err != nil || match == nil {
+		return nil, err
+	}
+	group := match.Groups()
+	si.Upload, err = str2uint64(group[1].String())
+	if err != nil {
+		return nil, err
+	}
+
+	si.Download, err = str2uint64(group[2].String())
+	if err != nil {
+		return nil, err
+	}
+
+	si.Total, err = str2uint64(group[3].String())
+	if err != nil {
+		return nil, err
+	}
+
+	match, _ = reExpire.FindStringMatch(str)
+	if match != nil {
+		group = match.Groups()
+		si.Expire, err = str2uint64(group[1].String())
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return
+}
+
+func str2uint64(str string) (int64, error) {
+	i, err := strconv.ParseInt(str, 10, 64)
+	return i, err
+}

common/cache/cache.go

@@ -1,106 +0,0 @@
-package cache
-
-import (
-	"runtime"
-	"sync"
-	"time"
-)
-
-// Cache store element with a expired time
-type Cache[K comparable, V any] struct {
-	*cache[K, V]
-}
-
-type cache[K comparable, V any] struct {
-	mapping sync.Map
-	janitor *janitor[K, V]
-}
-
-type element[V any] struct {
-	Expired time.Time
-	Payload V
-}
-
-// Put element in Cache with its ttl
-func (c *cache[K, V]) Put(key K, payload V, ttl time.Duration) {
-	c.mapping.Store(key, &element[V]{
-		Payload: payload,
-		Expired: time.Now().Add(ttl),
-	})
-}
-
-// Get element in Cache, and drop when it expired
-func (c *cache[K, V]) Get(key K) V {
-	item, exist := c.mapping.Load(key)
-	if !exist {
-		return getZero[V]()
-	}
-	elm := item.(*element[V])
-	// expired
-	if time.Since(elm.Expired) > 0 {
-		c.mapping.Delete(key)
-		return getZero[V]()
-	}
-	return elm.Payload
-}
-
-// GetWithExpire element in Cache with Expire Time
-func (c *cache[K, V]) GetWithExpire(key K) (payload V, expired time.Time) {
-	item, exist := c.mapping.Load(key)
-	if !exist {
-		return
-	}
-	elm := item.(*element[V])
-	// expired
-	if time.Since(elm.Expired) > 0 {
-		c.mapping.Delete(key)
-		return
-	}
-	return elm.Payload, elm.Expired
-}
-
-func (c *cache[K, V]) cleanup() {
-	c.mapping.Range(func(k, v any) bool {
-		key := k.(string)
-		elm := v.(*element[V])
-		if time.Since(elm.Expired) > 0 {
-			c.mapping.Delete(key)
-		}
-		return true
-	})
-}
-
-type janitor[K comparable, V any] struct {
-	interval time.Duration
-	stop     chan struct{}
-}
-
-func (j *janitor[K, V]) process(c *cache[K, V]) {
-	ticker := time.NewTicker(j.interval)
-	for {
-		select {
-		case <-ticker.C:
-			c.cleanup()
-		case <-j.stop:
-			ticker.Stop()
-			return
-		}
-	}
-}
-
-func stopJanitor[K comparable, V any](c *Cache[K, V]) {
-	c.janitor.stop <- struct{}{}
-}
-
-// New return *Cache
-func New[K comparable, V any](interval time.Duration) *Cache[K, V] {
-	j := &janitor[K, V]{
-		interval: interval,
-		stop:     make(chan struct{}),
-	}
-	c := &cache[K, V]{janitor: j}
-	go j.process(c)
-	C := &Cache[K, V]{c}
-	runtime.SetFinalizer(C, stopJanitor[K, V])
-	return C
-}

common/cache/cache_test.go

@@ -1,72 +0,0 @@
-package cache
-
-import (
-	"runtime"
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestCache_Basic(t *testing.T) {
-	interval := 200 * time.Millisecond
-	ttl := 20 * time.Millisecond
-	c := New[string, int](interval)
-	c.Put("int", 1, ttl)
-
-	d := New[string, string](interval)
-	d.Put("string", "a", ttl)
-
-	i := c.Get("int")
-	assert.Equal(t, i, 1, "should recv 1")
-
-	s := d.Get("string")
-	assert.Equal(t, s, "a", "should recv 'a'")
-}
-
-func TestCache_TTL(t *testing.T) {
-	interval := 200 * time.Millisecond
-	ttl := 20 * time.Millisecond
-	now := time.Now()
-	c := New[string, int](interval)
-	c.Put("int", 1, ttl)
-	c.Put("int2", 2, ttl)
-
-	i := c.Get("int")
-	_, expired := c.GetWithExpire("int2")
-	assert.Equal(t, i, 1, "should recv 1")
-	assert.True(t, now.Before(expired))
-
-	time.Sleep(ttl * 2)
-	i = c.Get("int")
-	j, _ := c.GetWithExpire("int2")
-	assert.True(t, i == 0, "should recv 0")
-	assert.True(t, j == 0, "should recv 0")
-}
-
-func TestCache_AutoCleanup(t *testing.T) {
-	interval := 10 * time.Millisecond
-	ttl := 15 * time.Millisecond
-	c := New[string, int](interval)
-	c.Put("int", 1, ttl)
-
-	time.Sleep(ttl * 2)
-	i := c.Get("int")
-	j, _ := c.GetWithExpire("int")
-	assert.True(t, i == 0, "should recv 0")
-	assert.True(t, j == 0, "should recv 0")
-}
-
-func TestCache_AutoGC(t *testing.T) {
-	sign := make(chan struct{})
-	go func() {
-		interval := 10 * time.Millisecond
-		ttl := 15 * time.Millisecond
-		c := New[string, int](interval)
-		c.Put("int", 1, ttl)
-		sign <- struct{}{}
-	}()
-
-	<-sign
-	runtime.GC()
-}

common/cache/lrucache.go

@@ -65,8 +65,8 @@ type LruCache[K comparable, V any] struct {
 	onEvict        EvictCallback[K, V]
 }
 
-// NewLRUCache creates an LruCache
-func NewLRUCache[K comparable, V any](options ...Option[K, V]) *LruCache[K, V] {
+// New creates an LruCache
+func New[K comparable, V any](options ...Option[K, V]) *LruCache[K, V] {
 	lc := &LruCache[K, V]{
 		lru:   list.New[*entry[K, V]](),
 		cache: make(map[K]*list.Element[*entry[K, V]]),

common/cache/lrucache_test.go

@@ -19,7 +19,7 @@ var entries = []struct {
 }
 
 func TestLRUCache(t *testing.T) {
-	c := NewLRUCache[string, string]()
+	c := New[string, string]()
 
 	for _, e := range entries {
 		c.Set(e.key, e.value)
@@ -45,7 +45,7 @@ func TestLRUCache(t *testing.T) {
 }
 
 func TestLRUMaxAge(t *testing.T) {
-	c := NewLRUCache[string, string](WithAge[string, string](86400))
+	c := New[string, string](WithAge[string, string](86400))
 
 	now := time.Now().Unix()
 	expected := now + 86400
@@ -88,7 +88,7 @@ func TestLRUMaxAge(t *testing.T) {
 }
 
 func TestLRUpdateOnGet(t *testing.T) {
-	c := NewLRUCache[string, string](WithAge[string, string](86400), WithUpdateAgeOnGet[string, string]())
+	c := New[string, string](WithAge[string, string](86400), WithUpdateAgeOnGet[string, string]())
 
 	now := time.Now().Unix()
 	expires := now + 86400/2
@@ -103,7 +103,7 @@ func TestLRUpdateOnGet(t *testing.T) {
 }
 
 func TestMaxSize(t *testing.T) {
-	c := NewLRUCache[string, string](WithSize[string, string](2))
+	c := New[string, string](WithSize[string, string](2))
 	// Add one expired entry
 	c.Set("foo", "bar")
 	_, ok := c.Get("foo")
@@ -117,7 +117,7 @@ func TestMaxSize(t *testing.T) {
 }
 
 func TestExist(t *testing.T) {
-	c := NewLRUCache[int, int](WithSize[int, int](1))
+	c := New[int, int](WithSize[int, int](1))
 	c.Set(1, 2)
 	assert.True(t, c.Exist(1))
 	c.Set(2, 3)
@@ -130,7 +130,7 @@ func TestEvict(t *testing.T) {
 		temp = key + value
 	}
 
-	c := NewLRUCache[int, int](WithEvict[int, int](evict), WithSize[int, int](1))
+	c := New[int, int](WithEvict[int, int](evict), WithSize[int, int](1))
 	c.Set(1, 2)
 	c.Set(2, 3)
 
@@ -138,7 +138,7 @@ func TestEvict(t *testing.T) {
 }
 
 func TestSetWithExpire(t *testing.T) {
-	c := NewLRUCache[int, *struct{}](WithAge[int, *struct{}](1))
+	c := New[int, *struct{}](WithAge[int, *struct{}](1))
 	now := time.Now().Unix()
 
 	tenSecBefore := time.Unix(now-10, 0)
@@ -153,7 +153,7 @@ func TestSetWithExpire(t *testing.T) {
 }
 
 func TestStale(t *testing.T) {
-	c := NewLRUCache[int, int](WithAge[int, int](1), WithStale[int, int](true))
+	c := New[int, int](WithAge[int, int](1), WithStale[int, int](true))
 	now := time.Now().Unix()
 
 	tenSecBefore := time.Unix(now-10, 0)
@@ -166,11 +166,11 @@ func TestStale(t *testing.T) {
 }
 
 func TestCloneTo(t *testing.T) {
-	o := NewLRUCache[string, int](WithSize[string, int](10))
+	o := New[string, int](WithSize[string, int](10))
 	o.Set("1", 1)
 	o.Set("2", 2)
 
-	n := NewLRUCache[string, int](WithSize[string, int](2))
+	n := New[string, int](WithSize[string, int](2))
 	n.Set("3", 3)
 	n.Set("4", 4)
 

common/convert/base64.go

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

common/convert/converter.go

@@ -0,0 +1,390 @@
+package convert
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+// ConvertsV2Ray convert V2Ray subscribe proxies data to clash proxies config
+func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
+	data := DecodeBase64(buf)
+
+	arr := strings.Split(string(data), "\n")
+
+	proxies := make([]map[string]any, 0, len(arr))
+	names := make(map[string]int, 200)
+
+	for _, line := range arr {
+		line = strings.TrimRight(line, " \r")
+		if line == "" {
+			continue
+		}
+
+		scheme, body, found := strings.Cut(line, "://")
+		if !found {
+			continue
+		}
+
+		scheme = strings.ToLower(scheme)
+		switch scheme {
+		case "hysteria":
+			urlHysteria, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			query := urlHysteria.Query()
+			name := uniqueName(names, urlHysteria.Fragment)
+			hysteria := make(map[string]any, 20)
+
+			hysteria["name"] = name
+			hysteria["type"] = scheme
+			hysteria["server"] = urlHysteria.Hostname()
+			hysteria["port"] = urlHysteria.Port()
+			hysteria["sni"] = query.Get("peer")
+			hysteria["obfs"] = query.Get("obfs")
+			hysteria["alpn"] = []string{query.Get("alpn")}
+			hysteria["auth_str"] = query.Get("auth")
+			hysteria["protocol"] = query.Get("protocol")
+			up := query.Get("up")
+			down := query.Get("down")
+			if up == "" {
+				up = query.Get("upmbps")
+			}
+			if down == "" {
+				down = query.Get("downmbps")
+			}
+			hysteria["down"] = down
+			hysteria["up"] = up
+			hysteria["skip-cert-verify"], _ = strconv.ParseBool(query.Get("insecure"))
+
+			proxies = append(proxies, hysteria)
+
+		case "trojan":
+			urlTrojan, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			query := urlTrojan.Query()
+
+			name := uniqueName(names, urlTrojan.Fragment)
+			trojan := make(map[string]any, 20)
+
+			trojan["name"] = name
+			trojan["type"] = scheme
+			trojan["server"] = urlTrojan.Hostname()
+			trojan["port"] = urlTrojan.Port()
+			trojan["password"] = urlTrojan.User.Username()
+			trojan["udp"] = true
+			trojan["skip-cert-verify"] = false
+
+			sni := query.Get("sni")
+			if sni != "" {
+				trojan["sni"] = sni
+			}
+
+			network := strings.ToLower(query.Get("type"))
+			if network != "" {
+				trojan["network"] = network
+			}
+
+			switch network {
+			case "ws":
+				headers := make(map[string]any)
+				wsOpts := make(map[string]any)
+
+				headers["User-Agent"] = RandUserAgent()
+
+				wsOpts["path"] = query.Get("path")
+				wsOpts["headers"] = headers
+
+				trojan["ws-opts"] = wsOpts
+
+			case "grpc":
+				grpcOpts := make(map[string]any)
+				grpcOpts["grpc-service-name"] = query.Get("serviceName")
+				trojan["grpc-opts"] = grpcOpts
+			}
+
+			proxies = append(proxies, trojan)
+
+		case "vless":
+			urlVLess, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+			query := urlVLess.Query()
+			vless := make(map[string]any, 20)
+			handleVShareLink(names, urlVLess, scheme, vless)
+			if flow := query.Get("flow"); flow != "" {
+				vless["flow"] = strings.ToLower(flow)
+			}
+			proxies = append(proxies, vless)
+
+		case "vmess":
+			// V2RayN-styled share link
+			// https://github.com/2dust/v2rayN/wiki/%E5%88%86%E4%BA%AB%E9%93%BE%E6%8E%A5%E6%A0%BC%E5%BC%8F%E8%AF%B4%E6%98%8E(ver-2)
+			dcBuf, err := tryDecodeBase64([]byte(body))
+			if err != nil {
+				// Xray VMessAEAD share link
+				urlVMess, err := url.Parse(line)
+				if err != nil {
+					continue
+				}
+				query := urlVMess.Query()
+				vmess := make(map[string]any, 20)
+				handleVShareLink(names, urlVMess, scheme, vmess)
+				vmess["alterId"] = 0
+				vmess["cipher"] = "auto"
+				if encryption := query.Get("encryption"); encryption != "" {
+					vmess["cipher"] = encryption
+				}
+				if packetEncoding := query.Get("packetEncoding"); packetEncoding != "" {
+					switch packetEncoding {
+					case "packet":
+						vmess["packet-addr"] = true
+					case "xudp":
+						vmess["xudp"] = true
+					}
+				}
+				proxies = append(proxies, vmess)
+				continue
+			}
+
+			jsonDc := json.NewDecoder(bytes.NewReader(dcBuf))
+			values := make(map[string]any, 20)
+
+			if jsonDc.Decode(&values) != nil {
+				continue
+			}
+
+			name := uniqueName(names, values["ps"].(string))
+			vmess := make(map[string]any, 20)
+
+			vmess["name"] = name
+			vmess["type"] = scheme
+			vmess["server"] = values["add"]
+			vmess["port"] = values["port"]
+			vmess["uuid"] = values["id"]
+			if alterId, ok := values["aid"]; ok {
+				vmess["alterId"] = alterId
+			} else {
+				vmess["alterId"] = 0
+			}
+			vmess["udp"] = true
+			vmess["tls"] = false
+			vmess["skip-cert-verify"] = false
+
+			vmess["cipher"] = "auto"
+			if cipher, ok := values["scy"]; ok && cipher != "" {
+				vmess["cipher"] = cipher
+			}
+
+			if sni, ok := values["sni"]; ok && sni != "" {
+				vmess["servername"] = sni
+			}
+
+			network := strings.ToLower(values["net"].(string))
+			if values["type"] == "http" {
+				network = "http"
+			} else if network == "http" {
+				network = "h2"
+			}
+			vmess["network"] = network
+
+			tls := strings.ToLower(values["tls"].(string))
+			if strings.HasSuffix(tls, "tls") {
+				vmess["tls"] = true
+			}
+
+			switch network {
+			case "http":
+				headers := make(map[string]any)
+				httpOpts := make(map[string]any)
+				if host, ok := values["host"]; ok && host != "" {
+					headers["Host"] = []string{host.(string)}
+				}
+				httpOpts["path"] = []string{"/"}
+				if path, ok := values["path"]; ok && path != "" {
+					httpOpts["path"] = []string{path.(string)}
+				}
+				httpOpts["headers"] = headers
+
+				vmess["http-opts"] = httpOpts
+
+			case "h2":
+				headers := make(map[string]any)
+				h2Opts := make(map[string]any)
+				if host, ok := values["host"]; ok && host != "" {
+					headers["Host"] = []string{host.(string)}
+				}
+
+				h2Opts["path"] = values["path"]
+				h2Opts["headers"] = headers
+
+				vmess["h2-opts"] = h2Opts
+
+			case "ws":
+				headers := make(map[string]any)
+				wsOpts := make(map[string]any)
+				wsOpts["path"] = []string{"/"}
+				if host, ok := values["host"]; ok && host != "" {
+					headers["Host"] = host.(string)
+				}
+				if path, ok := values["path"]; ok && path != "" {
+					wsOpts["path"] = path.(string)
+				}
+				wsOpts["headers"] = headers
+				vmess["ws-opts"] = wsOpts
+
+			case "grpc":
+				grpcOpts := make(map[string]any)
+				grpcOpts["grpc-service-name"] = values["path"]
+				vmess["grpc-opts"] = grpcOpts
+			}
+
+			proxies = append(proxies, vmess)
+
+		case "ss":
+			urlSS, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			name := uniqueName(names, urlSS.Fragment)
+			port := urlSS.Port()
+
+			if port == "" {
+				dcBuf, err := encRaw.DecodeString(urlSS.Host)
+				if err != nil {
+					continue
+				}
+
+				urlSS, err = url.Parse("ss://" + string(dcBuf))
+				if err != nil {
+					continue
+				}
+			}
+
+			var (
+				cipher   = urlSS.User.Username()
+				password string
+			)
+
+			if password, found = urlSS.User.Password(); !found {
+				dcBuf, _ := enc.DecodeString(cipher)
+				if !strings.Contains(string(dcBuf), "2022-blake3") {
+					dcBuf, _ = encRaw.DecodeString(cipher)
+				}
+				cipher, password, found = strings.Cut(string(dcBuf), ":")
+				if !found {
+					continue
+				}
+			}
+
+			ss := make(map[string]any, 10)
+
+			ss["name"] = name
+			ss["type"] = scheme
+			ss["server"] = urlSS.Hostname()
+			ss["port"] = urlSS.Port()
+			ss["cipher"] = cipher
+			ss["password"] = password
+			query := urlSS.Query()
+			ss["udp"] = true
+			if query.Get("udp-over-tcp") == "true" || query.Get("uot") == "1" {
+				ss["udp-over-tcp"] = true
+			}
+			if strings.Contains(query.Get("plugin"), "obfs") {
+				obfsParams := strings.Split(query.Get("plugin"), ";")
+				ss["plugin"] = "obfs"
+				ss["plugin-opts"] = map[string]any{
+					"host": obfsParams[2][10:],
+					"mode": obfsParams[1][5:],
+				}
+			}
+			proxies = append(proxies, ss)
+		case "ssr":
+			dcBuf, err := encRaw.DecodeString(body)
+			if err != nil {
+				continue
+			}
+
+			// ssr://host:port:protocol:method:obfs:urlsafebase64pass/?obfsparam=urlsafebase64&protoparam=&remarks=urlsafebase64&group=urlsafebase64&udpport=0&uot=1
+
+			before, after, ok := strings.Cut(string(dcBuf), "/?")
+			if !ok {
+				continue
+			}
+
+			beforeArr := strings.Split(before, ":")
+
+			if len(beforeArr) != 6 {
+				continue
+			}
+
+			host := beforeArr[0]
+			port := beforeArr[1]
+			protocol := beforeArr[2]
+			method := beforeArr[3]
+			obfs := beforeArr[4]
+			password := decodeUrlSafe(urlSafe(beforeArr[5]))
+
+			query, err := url.ParseQuery(urlSafe(after))
+			if err != nil {
+				continue
+			}
+
+			remarks := decodeUrlSafe(query.Get("remarks"))
+			name := uniqueName(names, remarks)
+
+			obfsParam := decodeUrlSafe(query.Get("obfsparam"))
+			protocolParam := query.Get("protoparam")
+
+			ssr := make(map[string]any, 20)
+
+			ssr["name"] = name
+			ssr["type"] = scheme
+			ssr["server"] = host
+			ssr["port"] = port
+			ssr["cipher"] = method
+			ssr["password"] = password
+			ssr["obfs"] = obfs
+			ssr["protocol"] = protocol
+			ssr["udp"] = true
+
+			if obfsParam != "" {
+				ssr["obfs-param"] = obfsParam
+			}
+
+			if protocolParam != "" {
+				ssr["protocol-param"] = protocolParam
+			}
+
+			proxies = append(proxies, ssr)
+		}
+	}
+
+	if len(proxies) == 0 {
+		return nil, fmt.Errorf("convert v2ray subscribe error: format invalid")
+	}
+
+	return proxies, nil
+}
+
+func uniqueName(names map[string]int, name string) string {
+	if index, ok := names[name]; ok {
+		index++
+		names[name] = index
+		name = fmt.Sprintf("%s-%02d", name, index)
+	} else {
+		index = 0
+		names[name] = index
+	}
+	return name
+}

common/convert/util.go

@@ -0,0 +1,316 @@
+package convert
+
+import (
+	"encoding/base64"
+	"math/rand"
+	"net/http"
+	"strings"
+
+	"github.com/gofrs/uuid"
+)
+
+var hostsSuffix = []string{
+	"-cdn.aliyuncs.com",
+	".alicdn.com",
+	".pan.baidu.com",
+	".tbcache.com",
+	".aliyuncdn.com",
+	".vod.miguvideo.com",
+	".cibntv.net",
+	".myqcloud.com",
+	".smtcdns.com",
+	".alikunlun.com",
+	".smtcdns.net",
+	".apcdns.net",
+	".cdn-go.cn",
+	".cdntip.com",
+	".cdntips.com",
+	".alidayu.com",
+	".alidns.com",
+	".cdngslb.com",
+	".mxhichina.com",
+	".alibabadns.com",
+}
+
+var userAgents = []string{
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.162 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; Moto C Build/NRD90M.059) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1.1; SM-J120M Build/LMY47X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; Moto G (5) Build/NPPS25.137-93-14) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; SM-G570M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0; CAM-L03 Build/HUAWEICAM-L03) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.3 (KHTML, like Gecko) Chrome/6.0.472.63 Safari/534.3",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.7 (KHTML, like Gecko) Chrome/7.0.517.44 Safari/534.7",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.3 (KHTML, like Gecko) Chrome/6.0.472.63 Safari/534.3",
+	"Mozilla/5.0 (Linux; Android 8.0.0; FIG-LX3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.115 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.10 (KHTML, like Gecko) Chrome/8.0.552.237 Safari/534.10",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/5.0.342.1 Safari/533.2",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.110 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.81 Safari/537.36",
+	"Mozilla/5.0 (X11; Datanyze; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1.1; SM-J111M Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36",
+	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.107 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-J700M Build/MMB29K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.63 Safari/537.36",
+	"Mozilla/5.0 (X11; Linux i686) AppleWebKit/534.30 (KHTML, like Gecko) Slackware/Chrome/12.0.742.100 Safari/534.30",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.167 Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.157 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.71 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.64 Safari/537.31",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532G Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.83 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.109 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.131 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0; vivo 1713 Build/MRA58K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.124 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+}
+
+var (
+	hostsLen = len(hostsSuffix)
+	uaLen    = len(userAgents)
+)
+
+func RandHost() string {
+	id, _ := uuid.NewV4()
+	base := strings.ToLower(base64.RawURLEncoding.EncodeToString(id.Bytes()))
+	base = strings.ReplaceAll(base, "-", "")
+	base = strings.ReplaceAll(base, "_", "")
+	buf := []byte(base)
+	prefix := string(buf[:3]) + "---"
+	prefix += string(buf[6:8]) + "-"
+	prefix += string(buf[len(buf)-8:])
+
+	return prefix + hostsSuffix[rand.Intn(hostsLen)]
+}
+
+func RandUserAgent() string {
+	return userAgents[rand.Intn(uaLen)]
+}
+
+func SetUserAgent(header http.Header) {
+	if header.Get("User-Agent") != "" {
+		return
+	}
+	userAgent := RandUserAgent()
+	header.Set("User-Agent", userAgent)
+}

common/convert/v.go

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

common/net/bind.go

@@ -0,0 +1,36 @@
+package net
+
+import "net"
+
+type bindPacketConn struct {
+	net.PacketConn
+	rAddr net.Addr
+}
+
+func (wpc *bindPacketConn) Read(b []byte) (n int, err error) {
+	n, _, err = wpc.PacketConn.ReadFrom(b)
+	return n, err
+}
+
+func (wpc *bindPacketConn) Write(b []byte) (n int, err error) {
+	return wpc.PacketConn.WriteTo(b, wpc.rAddr)
+}
+
+func (wpc *bindPacketConn) RemoteAddr() net.Addr {
+	return wpc.rAddr
+}
+
+func (wpc *bindPacketConn) LocalAddr() net.Addr {
+	if wpc.PacketConn.LocalAddr() == nil {
+		return &net.UDPAddr{IP: net.IPv4zero, Port: 0}
+	} else {
+		return wpc.PacketConn.LocalAddr()
+	}
+}
+
+func NewBindPacketConn(pc net.PacketConn, rAddr net.Addr) net.Conn {
+	return &bindPacketConn{
+		PacketConn: pc,
+		rAddr:      rAddr,
+	}
+}

common/net/http.go

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

common/net/refconn.go

@@ -0,0 +1,100 @@
+package net
+
+import (
+	"net"
+	"runtime"
+	"time"
+)
+
+type refConn struct {
+	conn net.Conn
+	ref  any
+}
+
+func (c *refConn) Read(b []byte) (n int, err error) {
+	defer runtime.KeepAlive(c.ref)
+	return c.conn.Read(b)
+}
+
+func (c *refConn) Write(b []byte) (n int, err error) {
+	defer runtime.KeepAlive(c.ref)
+	return c.conn.Write(b)
+}
+
+func (c *refConn) Close() error {
+	defer runtime.KeepAlive(c.ref)
+	return c.conn.Close()
+}
+
+func (c *refConn) LocalAddr() net.Addr {
+	defer runtime.KeepAlive(c.ref)
+	return c.conn.LocalAddr()
+}
+
+func (c *refConn) RemoteAddr() net.Addr {
+	defer runtime.KeepAlive(c.ref)
+	return c.conn.RemoteAddr()
+}
+
+func (c *refConn) SetDeadline(t time.Time) error {
+	defer runtime.KeepAlive(c.ref)
+	return c.conn.SetDeadline(t)
+}
+
+func (c *refConn) SetReadDeadline(t time.Time) error {
+	defer runtime.KeepAlive(c.ref)
+	return c.conn.SetReadDeadline(t)
+}
+
+func (c *refConn) SetWriteDeadline(t time.Time) error {
+	defer runtime.KeepAlive(c.ref)
+	return c.conn.SetWriteDeadline(t)
+}
+
+func NewRefConn(conn net.Conn, ref any) net.Conn {
+	return &refConn{conn: conn, ref: ref}
+}
+
+type refPacketConn struct {
+	pc  net.PacketConn
+	ref any
+}
+
+func (pc *refPacketConn) ReadFrom(p []byte) (n int, addr net.Addr, err error) {
+	defer runtime.KeepAlive(pc.ref)
+	return pc.pc.ReadFrom(p)
+}
+
+func (pc *refPacketConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
+	defer runtime.KeepAlive(pc.ref)
+	return pc.pc.WriteTo(p, addr)
+}
+
+func (pc *refPacketConn) Close() error {
+	defer runtime.KeepAlive(pc.ref)
+	return pc.pc.Close()
+}
+
+func (pc *refPacketConn) LocalAddr() net.Addr {
+	defer runtime.KeepAlive(pc.ref)
+	return pc.pc.LocalAddr()
+}
+
+func (pc *refPacketConn) SetDeadline(t time.Time) error {
+	defer runtime.KeepAlive(pc.ref)
+	return pc.pc.SetDeadline(t)
+}
+
+func (pc *refPacketConn) SetReadDeadline(t time.Time) error {
+	defer runtime.KeepAlive(pc.ref)
+	return pc.pc.SetReadDeadline(t)
+}
+
+func (pc *refPacketConn) SetWriteDeadline(t time.Time) error {
+	defer runtime.KeepAlive(pc.ref)
+	return pc.pc.SetWriteDeadline(t)
+}
+
+func NewRefPacketConn(pc net.PacketConn, ref any) net.PacketConn {
+	return &refPacketConn{pc: pc, ref: ref}
+}

common/net/relay.go

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

common/net/tls.go

@@ -0,0 +1,19 @@
+package net
+
+import (
+	"crypto/tls"
+	"fmt"
+)
+
+func ParseCert(certificate, privateKey string) (tls.Certificate, error) {
+	cert, painTextErr := tls.X509KeyPair([]byte(certificate), []byte(privateKey))
+	if painTextErr == nil {
+		return cert, nil
+	}
+
+	cert, loadErr := tls.LoadX509KeyPair(certificate, privateKey)
+	if loadErr != nil {
+		return tls.Certificate{}, fmt.Errorf("parse certificate failed, maybe format error:%s, or path error: %s", painTextErr.Error(), loadErr.Error())
+	}
+	return cert, nil
+}

common/pool/alloc.go

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

common/pool/sing.go

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

common/singledo/singledo.go

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

common/structure/structure.go

@@ -3,6 +3,7 @@ package structure
 // references: https://github.com/mitchellh/mapstructure
 
 import (
+	"encoding/base64"
 	"fmt"
 	"reflect"
 	"strconv"
@@ -13,8 +14,11 @@ import (
 type Option struct {
 	TagName          string
 	WeaklyTypedInput bool
+	KeyReplacer      *strings.Replacer
 }
 
+var DefaultKeyReplacer = strings.NewReplacer("_", "-")
+
 // Decoder is the core of structure
 type Decoder struct {
 	option *Option
@@ -49,6 +53,23 @@ func (d *Decoder) Decode(src map[string]any, dst any) error {
 		omitempty := found && omitKey == "omitempty"
 
 		value, ok := src[key]
+		if !ok {
+			if d.option.KeyReplacer != nil {
+				key = d.option.KeyReplacer.Replace(key)
+			}
+
+			for _strKey := range src {
+				strKey := _strKey
+				if d.option.KeyReplacer != nil {
+					strKey = d.option.KeyReplacer.Replace(strKey)
+				}
+				if strings.EqualFold(key, strKey) {
+					value = src[_strKey]
+					ok = true
+					break
+				}
+			}
+		}
 		if !ok || value == nil {
 			if omitempty {
 				continue
@@ -65,9 +86,16 @@ func (d *Decoder) Decode(src map[string]any, dst any) error {
 }
 
 func (d *Decoder) decode(name string, data any, val reflect.Value) error {
-	switch val.Kind() {
-	case reflect.Int:
+	kind := val.Kind()
+	switch {
+	case isInt(kind):
 		return d.decodeInt(name, data, val)
+	case isUint(kind):
+		return d.decodeUint(name, data, val)
+	case isFloat(kind):
+		return d.decodeFloat(name, data, val)
+	}
+	switch kind {
 	case reflect.String:
 		return d.decodeString(name, data, val)
 	case reflect.Bool:
@@ -85,13 +113,42 @@ func (d *Decoder) decode(name string, data any, val reflect.Value) error {
 	}
 }
 
+func isInt(kind reflect.Kind) bool {
+	switch kind {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return true
+	default:
+		return false
+	}
+}
+
+func isUint(kind reflect.Kind) bool {
+	switch kind {
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		return true
+	default:
+		return false
+	}
+}
+
+func isFloat(kind reflect.Kind) bool {
+	switch kind {
+	case reflect.Float32, reflect.Float64:
+		return true
+	default:
+		return false
+	}
+}
+
 func (d *Decoder) decodeInt(name string, data any, val reflect.Value) (err error) {
 	dataVal := reflect.ValueOf(data)
 	kind := dataVal.Kind()
 	switch {
-	case kind == reflect.Int:
+	case isInt(kind):
 		val.SetInt(dataVal.Int())
-	case kind == reflect.Float64 && d.option.WeaklyTypedInput:
+	case isUint(kind) && d.option.WeaklyTypedInput:
+		val.SetInt(int64(dataVal.Uint()))
+	case isFloat(kind) && d.option.WeaklyTypedInput:
 		val.SetInt(int64(dataVal.Float()))
 	case kind == reflect.String && d.option.WeaklyTypedInput:
 		var i int64
@@ -110,14 +167,72 @@ func (d *Decoder) decodeInt(name string, data any, val reflect.Value) (err error
 	return err
 }
 
+func (d *Decoder) decodeUint(name string, data any, val reflect.Value) (err error) {
+	dataVal := reflect.ValueOf(data)
+	kind := dataVal.Kind()
+	switch {
+	case isUint(kind):
+		val.SetUint(dataVal.Uint())
+	case isInt(kind) && d.option.WeaklyTypedInput:
+		val.SetUint(uint64(dataVal.Int()))
+	case isFloat(kind) && d.option.WeaklyTypedInput:
+		val.SetUint(uint64(dataVal.Float()))
+	case kind == reflect.String && d.option.WeaklyTypedInput:
+		var i uint64
+		i, err = strconv.ParseUint(dataVal.String(), 0, val.Type().Bits())
+		if err == nil {
+			val.SetUint(i)
+		} else {
+			err = fmt.Errorf("cannot parse '%s' as int: %s", name, err)
+		}
+	default:
+		err = fmt.Errorf(
+			"'%s' expected type '%s', got unconvertible type '%s'",
+			name, val.Type(), dataVal.Type(),
+		)
+	}
+	return err
+}
+
+func (d *Decoder) decodeFloat(name string, data any, val reflect.Value) (err error) {
+	dataVal := reflect.ValueOf(data)
+	kind := dataVal.Kind()
+	switch {
+	case isFloat(kind):
+		val.SetFloat(dataVal.Float())
+	case isUint(kind):
+		val.SetFloat(float64(dataVal.Uint()))
+	case isInt(kind) && d.option.WeaklyTypedInput:
+		val.SetFloat(float64(dataVal.Int()))
+	case kind == reflect.String && d.option.WeaklyTypedInput:
+		var i float64
+		i, err = strconv.ParseFloat(dataVal.String(), val.Type().Bits())
+		if err == nil {
+			val.SetFloat(i)
+		} else {
+			err = fmt.Errorf("cannot parse '%s' as int: %s", name, err)
+		}
+	default:
+		err = fmt.Errorf(
+			"'%s' expected type '%s', got unconvertible type '%s'",
+			name, val.Type(), dataVal.Type(),
+		)
+	}
+	return err
+}
+
 func (d *Decoder) decodeString(name string, data any, val reflect.Value) (err error) {
 	dataVal := reflect.ValueOf(data)
 	kind := dataVal.Kind()
 	switch {
 	case kind == reflect.String:
 		val.SetString(dataVal.String())
-	case kind == reflect.Int && d.option.WeaklyTypedInput:
+	case isInt(kind) && d.option.WeaklyTypedInput:
 		val.SetString(strconv.FormatInt(dataVal.Int(), 10))
+	case isUint(kind) && d.option.WeaklyTypedInput:
+		val.SetString(strconv.FormatUint(dataVal.Uint(), 10))
+	case isFloat(kind) && d.option.WeaklyTypedInput:
+		val.SetString(strconv.FormatFloat(dataVal.Float(), 'E', -1, dataVal.Type().Bits()))
 	default:
 		err = fmt.Errorf(
 			"'%s' expected type '%s', got unconvertible type '%s'",
@@ -133,8 +248,10 @@ func (d *Decoder) decodeBool(name string, data any, val reflect.Value) (err erro
 	switch {
 	case kind == reflect.Bool:
 		val.SetBool(dataVal.Bool())
-	case kind == reflect.Int && d.option.WeaklyTypedInput:
+	case isInt(kind) && d.option.WeaklyTypedInput:
 		val.SetBool(dataVal.Int() != 0)
+	case isUint(kind) && d.option.WeaklyTypedInput:
+		val.SetString(strconv.FormatUint(dataVal.Uint(), 10))
 	default:
 		err = fmt.Errorf(
 			"'%s' expected type '%s', got unconvertible type '%s'",
@@ -149,6 +266,17 @@ func (d *Decoder) decodeSlice(name string, data any, val reflect.Value) error {
 	valType := val.Type()
 	valElemType := valType.Elem()
 
+	if dataVal.Kind() == reflect.String && valElemType.Kind() == reflect.Uint8 { // from encoding/json
+		s := []byte(dataVal.String())
+		b := make([]byte, base64.StdEncoding.DecodedLen(len(s)))
+		n, err := base64.StdEncoding.Decode(b, s)
+		if err != nil {
+			return fmt.Errorf("try decode '%s' by base64 error: %w", name, err)
+		}
+		val.SetBytes(b[:n])
+		return nil
+	}
+
 	if dataVal.Kind() != reflect.Slice {
 		return fmt.Errorf("'%s' is not a slice", name)
 	}
@@ -159,9 +287,19 @@ func (d *Decoder) decodeSlice(name string, data any, val reflect.Value) error {
 		for valSlice.Len() <= i {
 			valSlice = reflect.Append(valSlice, reflect.Zero(valElemType))
 		}
-		currentField := valSlice.Index(i)
-
 		fieldName := fmt.Sprintf("%s[%d]", name, i)
+		if currentData == nil {
+			// in weakly type mode, null will convert to zero value
+			if d.option.WeaklyTypedInput {
+				continue
+			}
+			// in non-weakly type mode, null will convert to nil if element's zero value is nil, otherwise return an error
+			if elemKind := valElemType.Kind(); elemKind == reflect.Map || elemKind == reflect.Slice {
+				continue
+			}
+			return fmt.Errorf("'%s' can not be null", fieldName)
+		}
+		currentField := valSlice.Index(i)
 		if err := d.decode(fieldName, currentData, currentField); err != nil {
 			return err
 		}
@@ -343,12 +481,18 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 		if !rawMapVal.IsValid() {
 			// Do a slower search by iterating over each key and
 			// doing case-insensitive search.
+			if d.option.KeyReplacer != nil {
+				fieldName = d.option.KeyReplacer.Replace(fieldName)
+			}
 			for dataValKey := range dataValKeys {
 				mK, ok := dataValKey.Interface().(string)
 				if !ok {
 					// Not a string key
 					continue
 				}
+				if d.option.KeyReplacer != nil {
+					mK = d.option.KeyReplacer.Replace(mK)
+				}
 
 				if strings.EqualFold(mK, fieldName) {
 					rawMapKey = dataValKey

common/structure/structure_test.go

@@ -137,3 +137,45 @@ func TestStructure_Nest(t *testing.T) {
 	assert.Nil(t, err)
 	assert.Equal(t, s.BazOptional, goal)
 }
+
+func TestStructure_SliceNilValue(t *testing.T) {
+	rawMap := map[string]any{
+		"foo": 1,
+		"bar": []any{"bar", nil},
+	}
+
+	goal := &BazSlice{
+		Foo: 1,
+		Bar: []string{"bar", ""},
+	}
+
+	s := &BazSlice{}
+	err := weakTypeDecoder.Decode(rawMap, s)
+	assert.Nil(t, err)
+	assert.Equal(t, goal.Bar, s.Bar)
+
+	s = &BazSlice{}
+	err = decoder.Decode(rawMap, s)
+	assert.NotNil(t, err)
+}
+
+func TestStructure_SliceNilValueComplex(t *testing.T) {
+	rawMap := map[string]any{
+		"bar": []any{map[string]any{"bar": "foo"}, nil},
+	}
+
+	s := &struct {
+		Bar []map[string]any `test:"bar"`
+	}{}
+
+	err := decoder.Decode(rawMap, s)
+	assert.Nil(t, err)
+	assert.Nil(t, s.Bar[1])
+
+	ss := &struct {
+		Bar []Baz `test:"bar"`
+	}{}
+
+	err = decoder.Decode(rawMap, ss)
+	assert.NotNil(t, err)
+}

common/utils/uuid.go

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

common/utils/uuid_test.go

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

component/dialer/dialer.go

@@ -6,19 +6,37 @@ import (
 	"fmt"
 	"net"
 	"net/netip"
+	"runtime"
+	"strings"
 	"sync"
 
 	"github.com/Dreamacro/clash/component/resolver"
+
+	"go.uber.org/atomic"
 )
 
 var (
 	dialMux                    sync.Mutex
 	actualSingleDialContext    = singleDialContext
 	actualDualStackDialContext = dualStackDialContext
+	tcpConcurrent              = false
 	DisableIPv6                = false
+	ErrorInvalidedNetworkStack = errors.New("invalided network stack")
+	ErrorDisableIPv6           = errors.New("IPv6 is disabled, dialer cancel")
 )
 
-func DialContext(ctx context.Context, network, address string, options ...Option) (net.Conn, error) {
+func ParseNetwork(network string, addr netip.Addr) string {
+	if runtime.GOOS == "windows" { // fix bindIfaceToListenConfig() in windows force bind to an ipv4 address
+		if !strings.HasSuffix(network, "4") &&
+			!strings.HasSuffix(network, "6") &&
+			addr.Unmap().Is6() {
+			network += "6"
+		}
+	}
+	return network
+}
+
+func applyOptions(options ...Option) *option {
 	opt := &option{
 		interfaceName: DefaultInterface.Load(),
 		routingMark:   int(DefaultRoutingMark.Load()),
@@ -32,13 +50,29 @@ func DialContext(ctx context.Context, network, address string, options ...Option
 		o(opt)
 	}
 
+	return opt
+}
+
+func DialContext(ctx context.Context, network, address string, options ...Option) (net.Conn, error) {
+	opt := applyOptions(options...)
+
+	if opt.network == 4 || opt.network == 6 {
+		if strings.Contains(network, "tcp") {
+			network = "tcp"
+		} else {
+			network = "udp"
+		}
+
+		network = fmt.Sprintf("%s%d", network, opt.network)
+	}
+
 	switch network {
 	case "tcp4", "tcp6", "udp4", "udp6":
 		return actualSingleDialContext(ctx, network, address, opt)
 	case "tcp", "udp":
 		return actualDualStackDialContext(ctx, network, address, opt)
 	default:
-		return nil, errors.New("network invalid")
+		return nil, ErrorInvalidedNetworkStack
 	}
 }
 
@@ -76,17 +110,22 @@ func ListenPacket(ctx context.Context, network, address string, options ...Optio
 
 func SetDial(concurrent bool) {
 	dialMux.Lock()
+	tcpConcurrent = concurrent
 	if concurrent {
 		actualSingleDialContext = concurrentSingleDialContext
 		actualDualStackDialContext = concurrentDualStackDialContext
 	} else {
 		actualSingleDialContext = singleDialContext
-		actualDualStackDialContext = concurrentDualStackDialContext
+		actualDualStackDialContext = dualStackDialContext
 	}
 
 	dialMux.Unlock()
 }
 
+func GetDial() bool {
+	return tcpConcurrent
+}
+
 func dialContext(ctx context.Context, network string, destination netip.Addr, port string, opt *option) (net.Conn, error) {
 	dialer := &net.Dialer{}
 	if opt.interfaceName != "" {
@@ -99,7 +138,7 @@ func dialContext(ctx context.Context, network string, destination netip.Addr, po
 	}
 
 	if DisableIPv6 && destination.Is6() {
-		return nil, fmt.Errorf("IPv6 is diabled, dialer cancel")
+		return nil, ErrorDisableIPv6
 	}
 
 	return dialer.DialContext(ctx, network, net.JoinHostPort(destination.String(), port))
@@ -124,7 +163,7 @@ func dualStackDialContext(ctx context.Context, network, address string, opt *opt
 	results := make(chan dialResult)
 	var primary, fallback dialResult
 
-	startRacer := func(ctx context.Context, network, host string, direct bool, ipv6 bool) {
+	startRacer := func(ctx context.Context, network, host string, r resolver.Resolver, ipv6 bool) {
 		result := dialResult{ipv6: ipv6, done: true}
 		defer func() {
 			select {
@@ -138,16 +177,16 @@ func dualStackDialContext(ctx context.Context, network, address string, opt *opt
 
 		var ip netip.Addr
 		if ipv6 {
-			if !direct {
-				ip, result.error = resolver.ResolveIPv6ProxyServerHost(host)
+			if r == nil {
+				ip, result.error = resolver.ResolveIPv6ProxyServerHost(ctx, host)
 			} else {
-				ip, result.error = resolver.ResolveIPv6(host)
+				ip, result.error = resolver.ResolveIPv6WithResolver(ctx, host, r)
 			}
 		} else {
-			if !direct {
-				ip, result.error = resolver.ResolveIPv4ProxyServerHost(host)
+			if r == nil {
+				ip, result.error = resolver.ResolveIPv4ProxyServerHost(ctx, host)
 			} else {
-				ip, result.error = resolver.ResolveIPv4(host)
+				ip, result.error = resolver.ResolveIPv4WithResolver(ctx, host, r)
 			}
 		}
 		if result.error != nil {
@@ -158,32 +197,44 @@ func dualStackDialContext(ctx context.Context, network, address string, opt *opt
 		result.Conn, result.error = dialContext(ctx, network, ip, port, opt)
 	}
 
-	go startRacer(ctx, network+"4", host, opt.direct, false)
-	go startRacer(ctx, network+"6", host, opt.direct, true)
+	go startRacer(ctx, network+"4", host, opt.resolver, false)
+	go startRacer(ctx, network+"6", host, opt.resolver, true)
 
-	for res := range results {
-		if res.error == nil {
-			return res.Conn, nil
-		}
-
-		if !res.ipv6 {
-			primary = res
-		} else {
-			fallback = res
-		}
-
-		if primary.done && fallback.done {
-			if primary.resolved {
-				return nil, primary.error
-			} else if fallback.resolved {
-				return nil, fallback.error
-			} else {
-				return nil, primary.error
+	count := 2
+	for i := 0; i < count; i++ {
+		select {
+		case res := <-results:
+			if res.error == nil {
+				return res.Conn, nil
 			}
+
+			if !res.ipv6 {
+				primary = res
+			} else {
+				fallback = res
+			}
+
+			if primary.done && fallback.done {
+				if primary.resolved {
+					return nil, primary.error
+				} else if fallback.resolved {
+					return nil, fallback.error
+				} else {
+					return nil, primary.error
+				}
+			}
+		case <-ctx.Done():
+			err = ctx.Err()
+			break
 		}
 	}
 
-	return nil, errors.New("never touched")
+	if err == nil {
+		err = fmt.Errorf("dual stack dial failed")
+	} else {
+		err = fmt.Errorf("dual stack dial failed:%w", err)
+	}
+	return nil, err
 }
 
 func concurrentDualStackDialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
@@ -193,11 +244,14 @@ func concurrentDualStackDialContext(ctx context.Context, network, address string
 	}
 
 	var ips []netip.Addr
-
-	if opt.direct {
-		ips, err = resolver.ResolveAllIP(host)
+	if opt.resolver != nil {
+		ips, err = resolver.LookupIPWithResolver(ctx, host, opt.resolver)
 	} else {
-		ips, err = resolver.ResolveAllIPProxyServerHost(host)
+		ips, err = resolver.LookupIPProxyServerHost(ctx, host)
+	}
+
+	if err != nil {
+		return nil, err
 	}
 
 	return concurrentDialContext(ctx, network, ips, port, opt)
@@ -211,30 +265,49 @@ func concurrentDialContext(ctx context.Context, network string, ips []netip.Addr
 		ip netip.Addr
 		net.Conn
 		error
-		resolved bool
+		isPrimary bool
+		done      bool
 	}
 
+	preferCount := atomic.NewInt32(0)
 	results := make(chan dialResult)
-
 	tcpRacer := func(ctx context.Context, ip netip.Addr) {
-		result := dialResult{ip: ip}
+		result := dialResult{ip: ip, done: true}
 
 		defer func() {
 			select {
 			case results <- result:
 			case <-returned:
 				if result.Conn != nil {
-					result.Conn.Close()
+					_ = result.Conn.Close()
 				}
 			}
 		}()
-
-		v := "4"
-		if ip.Is6() {
-			v = "6"
+		if strings.Contains(network, "tcp") {
+			network = "tcp"
+		} else {
+			network = "udp"
 		}
 
-		result.Conn, result.error = dialContext(ctx, network+v, ip, port, opt)
+		if ip.Is6() {
+			network += "6"
+			if opt.prefer != 4 {
+				result.isPrimary = true
+			}
+		}
+
+		if ip.Is4() {
+			network += "4"
+			if opt.prefer != 6 {
+				result.isPrimary = true
+			}
+		}
+
+		if result.isPrimary {
+			preferCount.Add(1)
+		}
+
+		result.Conn, result.error = dialContext(ctx, network, ip, port, opt)
 	}
 
 	for _, ip := range ips {
@@ -242,18 +315,57 @@ func concurrentDialContext(ctx context.Context, network string, ips []netip.Addr
 	}
 
 	connCount := len(ips)
-	for res := range results {
-		connCount--
-		if res.error == nil {
-			return res.Conn, nil
-		}
-
-		if connCount == 0 {
+	var fallback dialResult
+	var primaryError error
+	var finalError error
+	for i := 0; i < connCount; i++ {
+		select {
+		case res := <-results:
+			if res.error == nil {
+				if res.isPrimary {
+					return res.Conn, nil
+				} else {
+					if !fallback.done || fallback.error != nil {
+						fallback = res
+					}
+				}
+			} else {
+				if res.isPrimary {
+					primaryError = res.error
+					preferCount.Add(-1)
+					if preferCount.Load() == 0 && fallback.done && fallback.error == nil {
+						return fallback.Conn, nil
+					}
+				}
+			}
+		case <-ctx.Done():
+			if fallback.done && fallback.error == nil {
+				return fallback.Conn, nil
+			}
+			finalError = ctx.Err()
 			break
 		}
 	}
 
-	return nil, errors.New("all ip tcp shake hands failed")
+	if fallback.done && fallback.error == nil {
+		return fallback.Conn, nil
+	}
+
+	if primaryError != nil {
+		return nil, primaryError
+	}
+
+	if fallback.error != nil {
+		return nil, fallback.error
+	}
+
+	if finalError == nil {
+		finalError = fmt.Errorf("all ips %v tcp shake hands failed", ips)
+	} else {
+		finalError = fmt.Errorf("concurrent dial failed:%w", finalError)
+	}
+
+	return nil, finalError
 }
 
 func singleDialContext(ctx context.Context, network string, address string, opt *option) (net.Conn, error) {
@@ -265,16 +377,16 @@ func singleDialContext(ctx context.Context, network string, address string, opt
 	var ip netip.Addr
 	switch network {
 	case "tcp4", "udp4":
-		if !opt.direct {
-			ip, err = resolver.ResolveIPv4ProxyServerHost(host)
+		if opt.resolver == nil {
+			ip, err = resolver.ResolveIPv4ProxyServerHost(ctx, host)
 		} else {
-			ip, err = resolver.ResolveIPv4(host)
+			ip, err = resolver.ResolveIPv4WithResolver(ctx, host, opt.resolver)
 		}
 	default:
-		if !opt.direct {
-			ip, err = resolver.ResolveIPv6ProxyServerHost(host)
+		if opt.resolver == nil {
+			ip, err = resolver.ResolveIPv6ProxyServerHost(ctx, host)
 		} else {
-			ip, err = resolver.ResolveIPv6(host)
+			ip, err = resolver.ResolveIPv6WithResolver(ctx, host, opt.resolver)
 		}
 	}
 	if err != nil {
@@ -285,25 +397,25 @@ func singleDialContext(ctx context.Context, network string, address string, opt
 }
 
 func concurrentSingleDialContext(ctx context.Context, network string, address string, opt *option) (net.Conn, error) {
+	switch network {
+	case "tcp4", "udp4":
+		return concurrentIPv4DialContext(ctx, network, address, opt)
+	default:
+		return concurrentIPv6DialContext(ctx, network, address, opt)
+	}
+}
+
+func concurrentIPv4DialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
 	host, port, err := net.SplitHostPort(address)
 	if err != nil {
 		return nil, err
 	}
 
 	var ips []netip.Addr
-	switch network {
-	case "tcp4", "udp4":
-		if !opt.direct {
-			ips, err = resolver.ResolveAllIPv4ProxyServerHost(host)
-		} else {
-			ips, err = resolver.ResolveAllIPv4(host)
-		}
-	default:
-		if !opt.direct {
-			ips, err = resolver.ResolveAllIPv6ProxyServerHost(host)
-		} else {
-			ips, err = resolver.ResolveAllIPv6(host)
-		}
+	if opt.resolver == nil {
+		ips, err = resolver.LookupIPv4ProxyServerHost(ctx, host)
+	} else {
+		ips, err = resolver.LookupIPv4WithResolver(ctx, host, opt.resolver)
 	}
 
 	if err != nil {
@@ -312,3 +424,40 @@ func concurrentSingleDialContext(ctx context.Context, network string, address st
 
 	return concurrentDialContext(ctx, network, ips, port, opt)
 }
+
+func concurrentIPv6DialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
+	host, port, err := net.SplitHostPort(address)
+	if err != nil {
+		return nil, err
+	}
+
+	var ips []netip.Addr
+	if opt.resolver == nil {
+		ips, err = resolver.LookupIPv6ProxyServerHost(ctx, host)
+	} else {
+		ips, err = resolver.LookupIPv6WithResolver(ctx, host, opt.resolver)
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	return concurrentDialContext(ctx, network, ips, port, opt)
+}
+
+type Dialer struct {
+	Opt option
+}
+
+func (d Dialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
+	return DialContext(ctx, network, address, WithOption(d.Opt))
+}
+
+func (d Dialer) ListenPacket(ctx context.Context, network, address string, rAddrPort netip.AddrPort) (net.PacketConn, error) {
+	return ListenPacket(ctx, ParseNetwork(network, rAddrPort.Addr()), address, WithOption(d.Opt))
+}
+
+func NewDialer(options ...Option) Dialer {
+	opt := applyOptions(options...)
+	return Dialer{Opt: *opt}
+}

component/dialer/mark_linux.go

@@ -29,13 +29,13 @@ func bindMarkToControl(mark int, chain controlFn) controlFn {
 			return
 		}
 
-		return c.Control(func(fd uintptr) {
-			switch network {
-			case "tcp4", "udp4":
-				_ = syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
-			case "tcp6", "udp6":
-				_ = syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
-			}
+		var innerErr error
+		err = c.Control(func(fd uintptr) {
+			innerErr = syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
 		})
+		if innerErr != nil {
+			err = innerErr
+		}
+		return
 	}
 }

component/dialer/options.go

@@ -1,6 +1,10 @@
 package dialer
 
-import "go.uber.org/atomic"
+import (
+	"github.com/Dreamacro/clash/component/resolver"
+
+	"go.uber.org/atomic"
+)
 
 var (
 	DefaultOptions     []Option
@@ -12,7 +16,9 @@ type option struct {
 	interfaceName string
 	addrReuse     bool
 	routingMark   int
-	direct        bool
+	network       int
+	prefer        int
+	resolver      resolver.Resolver
 }
 
 type Option func(opt *option)
@@ -35,8 +41,36 @@ func WithRoutingMark(mark int) Option {
 	}
 }
 
-func WithDirect() Option {
+func WithResolver(r resolver.Resolver) Option {
 	return func(opt *option) {
-		opt.direct = true
+		opt.resolver = r
+	}
+}
+
+func WithPreferIPv4() Option {
+	return func(opt *option) {
+		opt.prefer = 4
+	}
+}
+
+func WithPreferIPv6() Option {
+	return func(opt *option) {
+		opt.prefer = 6
+	}
+}
+
+func WithOnlySingleStack(isIPv4 bool) Option {
+	return func(opt *option) {
+		if isIPv4 {
+			opt.network = 4
+		} else {
+			opt.network = 6
+		}
+	}
+}
+
+func WithOption(o option) Option {
+	return func(opt *option) {
+		*opt = o
 	}
 }

component/ebpf/bpf/bpf_endian.h

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

component/ebpf/bpf/bpf_helpers.h

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

component/ebpf/bpf/redir.c

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

component/ebpf/bpf/tc.c

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

component/ebpf/byteorder/byteorder.go

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

component/ebpf/byteorder/byteorder_bigendian.go

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

component/ebpf/byteorder/byteorder_littleendian.go

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

component/ebpf/ebpf.go

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

component/ebpf/ebpf_linux.go

@@ -0,0 +1,137 @@
+//go:build !android
+
+package ebpf
+
+import (
+	"fmt"
+	"net/netip"
+
+	"github.com/Dreamacro/clash/common/cmd"
+	"github.com/Dreamacro/clash/component/dialer"
+	"github.com/Dreamacro/clash/component/ebpf/redir"
+	"github.com/Dreamacro/clash/component/ebpf/tc"
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/sagernet/netlink"
+)
+
+func GetAutoDetectInterface() (string, error) {
+	routes, err := netlink.RouteList(nil, netlink.FAMILY_V4)
+	if err != nil {
+		return "", err
+	}
+
+	for _, route := range routes {
+		if route.Dst == nil {
+			lk, err := netlink.LinkByIndex(route.LinkIndex)
+			if err != nil {
+				return "", err
+			}
+
+			if lk.Type() == "tuntap" {
+				continue
+			}
+
+			return lk.Attrs().Name, nil
+		}
+	}
+
+	return "", fmt.Errorf("interface not found")
+}
+
+// NewTcEBpfProgram new redirect to tun ebpf program
+func NewTcEBpfProgram(ifaceNames []string, tunName string) (*TcEBpfProgram, error) {
+	tunIface, err := netlink.LinkByName(tunName)
+	if err != nil {
+		return nil, fmt.Errorf("lookup network iface %q: %w", tunName, err)
+	}
+
+	tunIndex := uint32(tunIface.Attrs().Index)
+
+	dialer.DefaultRoutingMark.Store(C.ClashTrafficMark)
+
+	ifMark := uint32(dialer.DefaultRoutingMark.Load())
+
+	var pros []C.EBpf
+	for _, ifaceName := range ifaceNames {
+		iface, err := netlink.LinkByName(ifaceName)
+		if err != nil {
+			return nil, fmt.Errorf("lookup network iface %q: %w", ifaceName, err)
+		}
+		if iface.Attrs().OperState != netlink.OperUp {
+			return nil, fmt.Errorf("network iface %q is down", ifaceName)
+		}
+
+		attrs := iface.Attrs()
+		index := attrs.Index
+
+		tcPro := tc.NewEBpfTc(ifaceName, index, ifMark, tunIndex)
+		if err = tcPro.Start(); err != nil {
+			return nil, err
+		}
+
+		pros = append(pros, tcPro)
+	}
+
+	systemSetting(ifaceNames...)
+
+	return &TcEBpfProgram{pros: pros, rawNICs: ifaceNames}, nil
+}
+
+// NewRedirEBpfProgram new auto redirect ebpf program
+func NewRedirEBpfProgram(ifaceNames []string, redirPort uint16, defaultRouteInterfaceName string) (*TcEBpfProgram, error) {
+	defaultRouteInterface, err := netlink.LinkByName(defaultRouteInterfaceName)
+	if err != nil {
+		return nil, fmt.Errorf("lookup network iface %q: %w", defaultRouteInterfaceName, err)
+	}
+
+	defaultRouteIndex := uint32(defaultRouteInterface.Attrs().Index)
+
+	var pros []C.EBpf
+	for _, ifaceName := range ifaceNames {
+		iface, err := netlink.LinkByName(ifaceName)
+		if err != nil {
+			return nil, fmt.Errorf("lookup network iface %q: %w", ifaceName, err)
+		}
+
+		attrs := iface.Attrs()
+		index := attrs.Index
+
+		addrs, err := netlink.AddrList(iface, netlink.FAMILY_V4)
+		if err != nil {
+			return nil, fmt.Errorf("lookup network iface %q address: %w", ifaceName, err)
+		}
+
+		if len(addrs) == 0 {
+			return nil, fmt.Errorf("network iface %q does not contain any ipv4 addresses", ifaceName)
+		}
+
+		address, _ := netip.AddrFromSlice(addrs[0].IP)
+		redirAddrPort := netip.AddrPortFrom(address, redirPort)
+
+		redirPro := redir.NewEBpfRedirect(ifaceName, index, 0, defaultRouteIndex, redirAddrPort)
+		if err = redirPro.Start(); err != nil {
+			return nil, err
+		}
+
+		pros = append(pros, redirPro)
+	}
+
+	systemSetting(ifaceNames...)
+
+	return &TcEBpfProgram{pros: pros, rawNICs: ifaceNames}, nil
+}
+
+func systemSetting(ifaceNames ...string) {
+	_, _ = cmd.ExecCmd("sysctl -w net.ipv4.ip_forward=1")
+	_, _ = cmd.ExecCmd("sysctl -w net.ipv4.conf.all.forwarding=1")
+	_, _ = cmd.ExecCmd("sysctl -w net.ipv4.conf.all.accept_local=1")
+	_, _ = cmd.ExecCmd("sysctl -w net.ipv4.conf.all.accept_redirects=1")
+	_, _ = cmd.ExecCmd("sysctl -w net.ipv4.conf.all.rp_filter=0")
+
+	for _, ifaceName := range ifaceNames {
+		_, _ = cmd.ExecCmd(fmt.Sprintf("sysctl -w net.ipv4.conf.%s.forwarding=1", ifaceName))
+		_, _ = cmd.ExecCmd(fmt.Sprintf("sysctl -w net.ipv4.conf.%s.accept_local=1", ifaceName))
+		_, _ = cmd.ExecCmd(fmt.Sprintf("sysctl -w net.ipv4.conf.%s.accept_redirects=1", ifaceName))
+		_, _ = cmd.ExecCmd(fmt.Sprintf("sysctl -w net.ipv4.conf.%s.rp_filter=0", ifaceName))
+	}
+}

component/ebpf/ebpf_others.go

@@ -0,0 +1,21 @@
+//go:build !linux || android
+
+package ebpf
+
+import (
+	"fmt"
+)
+
+// NewTcEBpfProgram new ebpf tc program
+func NewTcEBpfProgram(_ []string, _ string) (*TcEBpfProgram, error) {
+	return nil, fmt.Errorf("system not supported")
+}
+
+// NewRedirEBpfProgram new ebpf redirect program
+func NewRedirEBpfProgram(_ []string, _ uint16, _ string) (*TcEBpfProgram, error) {
+	return nil, fmt.Errorf("system not supported")
+}
+
+func GetAutoDetectInterface() (string, error) {
+	return "", fmt.Errorf("system not supported")
+}

component/ebpf/redir/auto_redirect.go

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

component/ebpf/redir/bpf_bpfeb.go

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

component/ebpf/redir/bpf_bpfel.go

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

component/ebpf/tc/bpf_bpfeb.go

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

component/ebpf/tc/bpf_bpfel.go

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

component/ebpf/tc/redirect_to_tun.go

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

component/fakeip/memory.go

@@ -73,7 +73,7 @@ func (m *memoryStore) FlushFakeIP() error {
 
 func newMemoryStore(size int) *memoryStore {
 	return &memoryStore{
-		cacheIP:   cache.NewLRUCache[string, netip.Addr](cache.WithSize[string, netip.Addr](size)),
-		cacheHost: cache.NewLRUCache[netip.Addr, string](cache.WithSize[netip.Addr, string](size)),
+		cacheIP:   cache.New[string, netip.Addr](cache.WithSize[string, netip.Addr](size)),
+		cacheHost: cache.New[netip.Addr, string](cache.WithSize[netip.Addr, string](size)),
 	}
 }

component/fakeip/pool.go

@@ -3,6 +3,7 @@ package fakeip
 import (
 	"errors"
 	"net/netip"
+	"strings"
 	"sync"
 
 	"github.com/Dreamacro/clash/common/nnip"
@@ -26,7 +27,7 @@ type store interface {
 	FlushFakeIP() error
 }
 
-// Pool is a implementation about fake ip generator without storage
+// Pool is an implementation about fake ip generator without storage
 type Pool struct {
 	gateway netip.Addr
 	first   netip.Addr
@@ -34,7 +35,7 @@ type Pool struct {
 	offset  netip.Addr
 	cycle   bool
 	mux     sync.Mutex
-	host    *trie.DomainTrie[bool]
+	host    *trie.DomainTrie[struct{}]
 	ipnet   *netip.Prefix
 	store   store
 }
@@ -43,6 +44,9 @@ type Pool struct {
 func (p *Pool) Lookup(host string) netip.Addr {
 	p.mux.Lock()
 	defer p.mux.Unlock()
+
+	// RFC4343: DNS Case Insensitive, we SHOULD return result with all cases.
+	host = strings.ToLower(host)
 	if ip, exist := p.store.GetByHost(host); exist {
 		return ip
 	}
@@ -150,7 +154,7 @@ func (p *Pool) restoreState() {
 
 type Options struct {
 	IPNet *netip.Prefix
-	Host  *trie.DomainTrie[bool]
+	Host  *trie.DomainTrie[struct{}]
 
 	// Size sets the maximum number of entries in memory
 	// and does not work if Persistence is true
@@ -166,7 +170,7 @@ func New(options Options) (*Pool, error) {
 	var (
 		hostAddr = options.IPNet.Masked().Addr()
 		gateway  = hostAddr.Next()
-		first    = gateway.Next().Next()
+		first    = gateway.Next().Next().Next() // default start with 198.18.0.4
 		last     = nnip.UnMasked(*options.IPNet)
 	)
 

component/fakeip/pool_test.go

@@ -62,16 +62,16 @@ func TestPool_Basic(t *testing.T) {
 		last := pool.Lookup("bar.com")
 		bar, exist := pool.LookBack(last)
 
-		assert.True(t, first == netip.AddrFrom4([4]byte{192, 168, 0, 3}))
-		assert.True(t, pool.Lookup("foo.com") == netip.AddrFrom4([4]byte{192, 168, 0, 3}))
-		assert.True(t, last == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
+		assert.True(t, first == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
+		assert.True(t, pool.Lookup("foo.com") == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
+		assert.True(t, last == netip.AddrFrom4([4]byte{192, 168, 0, 5}))
 		assert.True(t, exist)
 		assert.Equal(t, bar, "bar.com")
 		assert.True(t, pool.Gateway() == netip.AddrFrom4([4]byte{192, 168, 0, 1}))
 		assert.True(t, pool.Broadcast() == netip.AddrFrom4([4]byte{192, 168, 0, 15}))
 		assert.Equal(t, pool.IPNet().String(), ipnet.String())
-		assert.True(t, pool.Exist(netip.AddrFrom4([4]byte{192, 168, 0, 4})))
-		assert.False(t, pool.Exist(netip.AddrFrom4([4]byte{192, 168, 0, 5})))
+		assert.True(t, pool.Exist(netip.AddrFrom4([4]byte{192, 168, 0, 5})))
+		assert.False(t, pool.Exist(netip.AddrFrom4([4]byte{192, 168, 0, 6})))
 		assert.False(t, pool.Exist(netip.MustParseAddr("::1")))
 	}
 }
@@ -90,20 +90,41 @@ func TestPool_BasicV6(t *testing.T) {
 		last := pool.Lookup("bar.com")
 		bar, exist := pool.LookBack(last)
 
-		assert.True(t, first == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8803"))
-		assert.True(t, pool.Lookup("foo.com") == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8803"))
-		assert.True(t, last == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8804"))
+		assert.True(t, first == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8804"))
+		assert.True(t, pool.Lookup("foo.com") == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8804"))
+		assert.True(t, last == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8805"))
 		assert.True(t, exist)
 		assert.Equal(t, bar, "bar.com")
 		assert.True(t, pool.Gateway() == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8801"))
 		assert.True(t, pool.Broadcast() == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8bff"))
 		assert.Equal(t, pool.IPNet().String(), ipnet.String())
-		assert.True(t, pool.Exist(netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8804")))
-		assert.False(t, pool.Exist(netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8805")))
+		assert.True(t, pool.Exist(netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8805")))
+		assert.False(t, pool.Exist(netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8806")))
 		assert.False(t, pool.Exist(netip.MustParseAddr("127.0.0.1")))
 	}
 }
 
+func TestPool_Case_Insensitive(t *testing.T) {
+	ipnet := netip.MustParsePrefix("192.168.0.1/29")
+	pools, tempfile, err := createPools(Options{
+		IPNet: &ipnet,
+		Size:  10,
+	})
+	assert.Nil(t, err)
+	defer os.Remove(tempfile)
+
+	for _, pool := range pools {
+		first := pool.Lookup("foo.com")
+		last := pool.Lookup("Foo.Com")
+		foo, exist := pool.LookBack(last)
+
+		assert.Equal(t, first, pool.Lookup("Foo.Com"))
+		assert.Equal(t, pool.Lookup("fOo.cOM"), first)
+		assert.True(t, exist)
+		assert.Equal(t, foo, "foo.com")
+	}
+}
+
 func TestPool_CycleUsed(t *testing.T) {
 	ipnet := netip.MustParsePrefix("192.168.0.16/28")
 	pools, tempfile, err := createPools(Options{
@@ -116,7 +137,7 @@ func TestPool_CycleUsed(t *testing.T) {
 	for _, pool := range pools {
 		foo := pool.Lookup("foo.com")
 		bar := pool.Lookup("bar.com")
-		for i := 0; i < 10; i++ {
+		for i := 0; i < 9; i++ {
 			pool.Lookup(fmt.Sprintf("%d.com", i))
 		}
 		baz := pool.Lookup("baz.com")
@@ -128,8 +149,8 @@ func TestPool_CycleUsed(t *testing.T) {
 
 func TestPool_Skip(t *testing.T) {
 	ipnet := netip.MustParsePrefix("192.168.0.1/29")
-	tree := trie.New[bool]()
-	tree.Insert("example.com", true)
+	tree := trie.New[struct{}]()
+	tree.Insert("example.com", struct{}{})
 	pools, tempfile, err := createPools(Options{
 		IPNet: &ipnet,
 		Size:  10,
@@ -198,8 +219,8 @@ func TestPool_Clone(t *testing.T) {
 
 	first := pool.Lookup("foo.com")
 	last := pool.Lookup("bar.com")
-	assert.True(t, first == netip.AddrFrom4([4]byte{192, 168, 0, 3}))
-	assert.True(t, last == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
+	assert.True(t, first == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
+	assert.True(t, last == netip.AddrFrom4([4]byte{192, 168, 0, 5}))
 
 	newPool, _ := New(Options{
 		IPNet: &ipnet,

component/geodata/geodata.go

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

component/geodata/geodataproto.go

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

component/geodata/init.go

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

component/geodata/memconservative/memc.go

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

component/geodata/router/condition.go

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

component/geodata/standard/standard.go

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

component/geodata/utils.go

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

component/http/http.go

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