chore: rename delete.yml

example: curl -X POST -H "Authorization: Bearer 123456" http://ip:port/upgrade

.github/release.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+FILENAMES=$(ls)
+for FILENAME in $FILENAMES
+do
+    if [[ ! ($FILENAME =~ ".exe" || $FILENAME =~ ".sh")]];then
+        gzip -S ".gz" $FILENAME
+    elif [[ $FILENAME =~ ".exe" ]];then
+        zip -m ${FILENAME%.*}.zip $FILENAME
+    else echo "skip $FILENAME"
+    fi
+done
+
+FILENAMES=$(ls)
+for FILENAME in $FILENAMES
+do
+    if [[ $FILENAME =~ ".zip" ]];then
+        echo "rename $FILENAME"
+        mv $FILENAME ${FILENAME%.*}-${VERSION}.zip
+    elif [[ $FILENAME =~ ".gz" ]];then
+        echo "rename $FILENAME"
+        mv $FILENAME ${FILENAME%.*}-${VERSION}.gz
+    else
+        echo "skip $FILENAME"
+    fi
+done

.github/rename-cgo.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+FILENAMES=$(ls)
+for FILENAME in $FILENAMES
+do
+    if [[ $FILENAME =~ "darwin-10.16-arm64" ]];then
+        echo "rename darwin-10.16-arm64 $FILENAME"
+        mv $FILENAME clash.meta-darwin-arm64-cgo
+    elif [[ $FILENAME =~ "darwin-10.16-amd64" ]];then
+        echo "rename darwin-10.16-amd64 $FILENAME"
+        mv $FILENAME clash.meta-darwin-amd64-cgo
+    elif [[ $FILENAME =~ "windows-4.0-386" ]];then
+        echo "rename windows 386 $FILENAME"
+        mv $FILENAME clash.meta-windows-386-cgo.exe
+    elif [[ $FILENAME =~ "windows-4.0-amd64" ]];then
+        echo "rename windows amd64 $FILENAME"
+        mv $FILENAME clash.meta-windows-amd64-cgo.exe
+    elif [[ $FILENAME =~ "clash.meta-linux-arm-5" ]];then
+        echo "rename clash.meta-linux-arm-5 $FILENAME"
+        mv $FILENAME clash.meta-linux-armv5-cgo
+    elif [[ $FILENAME =~ "clash.meta-linux-arm-6" ]];then
+        echo "rename clash.meta-linux-arm-6 $FILENAME"
+        mv $FILENAME clash.meta-linux-armv6-cgo
+    elif [[ $FILENAME =~ "clash.meta-linux-arm-7" ]];then
+        echo "rename clash.meta-linux-arm-7 $FILENAME"
+        mv $FILENAME clash.meta-linux-armv7-cgo
+    elif [[ $FILENAME =~ "linux" ]];then
+        echo "rename linux $FILENAME"
+        mv $FILENAME $FILENAME-cgo
+    elif [[ $FILENAME =~ "android" ]];then
+        echo "rename android $FILENAME"
+        mv $FILENAME $FILENAME-cgo
+    else echo "skip $FILENAME"
+    fi
+done

.github/workflows/Delete.yml

@@ -0,0 +1,16 @@
+name: Delete old workflow runs
+on:
+  schedule:
+    - cron: '0 0 1 * *'
+# Run monthly, at 00:00 on the 1st day of month.
+
+jobs:
+  del_runs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Delete workflow runs
+        uses: GitRML/delete-workflow-runs@main
+        with:
+          token: ${{ secrets.AUTH_PAT }}
+          repository: ${{ github.repository }}
+          retain_days: 30

.github/workflows/build.yaml

@@ -1,22 +0,0 @@
-name: Build All
-on:
-  workflow_dispatch:
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v3
-      - name: Setup Go
-        uses: actions/setup-go@v3
-        with:
-          go-version: '1.19'
-          check-latest: true
-          cache: true
-      - name: Build
-        run: make all
-      - name: Release
-        uses: softprops/action-gh-release@v1
-        with:
-          files: bin/*
-          draft: true

.github/workflows/build.yml

@@ -0,0 +1,357 @@
+name: Build
+on:
+  workflow_dispatch:
+  push:
+    paths-ignore:
+      - "docs/**"
+      - "README.md"
+    branches:
+      - Alpha
+      - Beta
+      - Meta
+    tags:
+      - "v*"
+  pull_request_target:
+    branches:
+      - Alpha
+      - Beta
+      - Meta
+      
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: true
+  
+env:
+  REGISTRY: docker.io
+jobs:
+  Build:
+    permissions: write-all
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        job:
+          - {
+              type: "WithoutCGO",
+              target: "linux-amd64 linux-amd64-compatible",
+              id: "1",
+            }
+          - {
+              type: "WithoutCGO",
+              target: "linux-armv5 linux-armv6 linux-armv7",
+              id: "2",
+            }
+          - {
+              type: "WithoutCGO",
+              target: "linux-arm64 linux-mips64 linux-mips64le",
+              id: "3",
+            }
+          - {
+              type: "WithoutCGO",
+              target: "linux-mips-softfloat linux-mips-hardfloat linux-mipsle-softfloat linux-mipsle-hardfloat",
+              id: "4",
+            }
+          - { type: "WithoutCGO", target: "linux-386 linux-riscv64", id: "5" }
+          - {
+              type: "WithoutCGO",
+              target: "freebsd-386 freebsd-amd64 freebsd-arm64",
+              id: "6",
+            }
+          - {
+              type: "WithoutCGO",
+              target: "windows-amd64-compatible windows-amd64 windows-386",
+              id: "7",
+            }
+          - {
+              type: "WithoutCGO",
+              target: "windows-arm64 windows-arm32v7",
+              id: "8",
+            }
+          - {
+              type: "WithoutCGO",
+              target: "darwin-amd64 darwin-arm64 android-arm64",
+              id: "9",
+            }
+          - { type: "WithCGO", target: "windows/*", id: "1" }
+          - { type: "WithCGO", target: "linux/386", id: "2" }
+          - { type: "WithCGO", target: "linux/amd64", id: "3" }
+          - { type: "WithCGO", target: "linux/arm64,linux/riscv64", id: "4" }
+          - { type: "WithCGO", target: "linux/arm,", id: "5" }
+          - { type: "WithCGO", target: "linux/arm-6,linux/arm-7", id: "6" }
+          - { type: "WithCGO", target: "linux/mips,linux/mipsle", id: "7" }
+          - { type: "WithCGO", target: "linux/mips64", id: "8" }
+          - { type: "WithCGO", target: "linux/mips64le", id: "9" }
+          - { type: "WithCGO", target: "darwin-10.16/*", id: "10" }
+          - { type: "WithCGO", target: "android", id: "11" }
+
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v3
+
+      - name: Set variables
+        run: echo "VERSION=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
+        shell: bash
+
+      - name: Set variables
+        if: ${{github.ref_name=='Alpha'}}
+        run: echo "VERSION=alpha-$(git rev-parse --short HEAD)" >> $GITHUB_ENV
+        shell: bash
+
+      - name: Set variables
+        if: ${{github.ref_name=='Beta'}}
+        run: echo "VERSION=beta-$(git rev-parse --short HEAD)" >> $GITHUB_ENV
+        shell: bash
+
+      - name: Set variables
+        if: ${{github.ref_name=='Meta'}}
+        run: echo "VERSION=meta-$(git rev-parse --short HEAD)" >> $GITHUB_ENV
+        shell: bash
+
+      - name: Set variables
+        if: ${{github.ref_name=='' || github.ref_type=='tag'}}
+        run: echo "VERSION=$(git describe --tags)" >> $GITHUB_ENV
+        shell: bash
+
+      - name: Set ENV
+        run: |
+          sudo timedatectl set-timezone "Asia/Shanghai"
+          echo "NAME=clash.meta" >> $GITHUB_ENV
+          echo "REPO=${{ github.repository }}" >> $GITHUB_ENV
+          echo "ShortSHA=$(git rev-parse --short ${{ github.sha }})" >> $GITHUB_ENV
+          echo "BUILDTIME=$(date)" >> $GITHUB_ENV
+          echo "BRANCH=$(git rev-parse --abbrev-ref HEAD)" >> $GITHUB_ENV
+        shell: bash
+
+      - name: Set ENV
+        run: |
+          echo "TAGS=with_gvisor,with_lwip" >> $GITHUB_ENV
+          echo "LDFLAGS=-X 'github.com/Dreamacro/clash/constant.Version=${VERSION}' -X 'github.com/Dreamacro/clash/constant.BuildTime=${BUILDTIME}' -w -s -buildid=" >> $GITHUB_ENV
+        shell: bash
+
+      - name: Setup Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: "1.20"
+          check-latest: true
+
+      - name: Test
+        if: ${{ matrix.job.id=='1' && matrix.job.type=='WithoutCGO' }}
+        run: |
+          go test ./...
+
+      - name: Build WithoutCGO
+        if: ${{ matrix.job.type=='WithoutCGO' }}
+        env:
+          NAME: Clash.Meta
+          BINDIR: bin
+        run: make -j$(($(nproc) + 1)) ${{ matrix.job.target }}
+
+      - uses: nttld/setup-ndk@v1
+        if: ${{ matrix.job.type=='WithCGO' && matrix.job.target=='android' }}
+        id: setup-ndk
+        with:
+          ndk-version: r25b
+          add-to-path: false
+          local-cache: true
+
+      - name: Build Android
+        if: ${{ matrix.job.type=='WithCGO' && matrix.job.target=='android' }}
+        env:
+          ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
+        run: |
+          mkdir bin
+          CC=${ANDROID_NDK_HOME}/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android33-clang
+          CGO_ENABLED=1 CC=${CC} GOARCH=arm64 GOOS=android go build -tags ${TAGS} -trimpath -ldflags "${LDFLAGS}" -o bin/${NAME}-android-arm64
+
+      - name: Set up xgo
+        if: ${{ matrix.job.type=='WithCGO' && matrix.job.target!='android' }}
+        run: |
+          docker pull techknowlogick/xgo:latest
+          go install src.techknowlogick.com/xgo@latest
+
+      - name: Build by xgo
+        if: ${{ matrix.job.type=='WithCGO' && matrix.job.target!='android' }}
+        env:
+          ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
+        run: |
+          mkdir bin
+          xgo --targets="${{ matrix.job.target }}" --tags="${TAGS}" -ldflags="${LDFLAGS}" --out bin/${NAME} ./
+
+      - name: Rename
+        if: ${{ matrix.job.type=='WithCGO' }}
+        run: |
+          cd bin
+          ls -la
+          cp ../.github/rename-cgo.sh ./
+          bash ./rename-cgo.sh
+          rm ./rename-cgo.sh
+          ls -la
+          cd ..
+
+      - name: Zip
+        if: ${{  success() }}
+        run: |
+          cd bin
+          ls -la
+          chmod +x *
+          cp ../.github/release.sh ./
+          bash ./release.sh
+          rm ./release.sh
+          ls -la
+          cd ..
+
+      - name: Save version
+        run: echo ${VERSION} > bin/version.txt
+        shell: bash
+
+      - uses: actions/upload-artifact@v3
+        if: ${{  success() }}
+        with:
+          name: artifact
+          path: bin/
+
+  Upload-Prerelease:
+    permissions: write-all
+    if: ${{ github.ref_type=='branch' }}
+    needs: [Build]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          name: artifact
+          path: bin/
+
+      - name: Display structure of downloaded files
+        run: ls -R
+        working-directory: bin
+
+      - name: Delete current release assets
+        uses: andreaswilli/delete-release-assets-action@v2.0.0
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          tag: Prerelease-${{ github.ref_name }}
+          deleteOnlyFromDrafts: false
+
+      - name: Set Env
+        run: |
+          echo "BUILDTIME=$(TZ=Asia/Shanghai date)" >> $GITHUB_ENV
+        shell: bash
+
+      - name: Tag Repo
+        uses: richardsimko/update-tag@v1.0.6
+        with:
+          tag_name: Prerelease-${{ github.ref_name }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - run: |
+          cat > release.txt << 'EOF'
+          Release created at  ${{ env.BUILDTIME }}
+          Synchronize ${{ github.ref_name }} branch code updates, keeping only the latest version
+          <br>
+          ### release version
+          `default(not specified in file name)`: compiled with GOAMD64=v3
+          `cgo`: support lwip tun stack, compiled with GOAMD64=v1
+          `compatible`: compiled with GOAMD64=v1
+          Check details between different architectural levels [here](https://github.com/golang/go/wiki/MinimumRequirements#amd64).
+          EOF
+
+      - name: Upload Prerelease
+        uses: softprops/action-gh-release@v1
+        if: ${{  success() }}
+        with:
+          tag: ${{ github.ref_name }}
+          tag_name: Prerelease-${{ github.ref_name }}
+          files: |
+            bin/*
+          prerelease: true
+          generate_release_notes: true
+          body_path: release.txt
+
+  Upload-Release:
+    permissions: write-all
+    if: ${{ github.ref_type=='tag' }}
+    needs: [Build]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          name: artifact
+          path: bin/
+
+      - name: Display structure of downloaded files
+        run: ls -R
+        working-directory: bin
+
+      - name: Upload Release
+        uses: softprops/action-gh-release@v1
+        if: ${{  success() }}
+        with:
+          tag: ${{ github.ref_name }}
+          tag_name: ${{ github.ref_name }}
+          files: bin/*
+          generate_release_notes: true
+
+  Docker:
+    permissions: write-all
+    needs: [Build]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - uses: actions/download-artifact@v3
+        with:
+          name: artifact
+          path: bin/
+
+      - name: Display structure of downloaded files
+        run: ls -R
+        working-directory: bin
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - 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
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ${{ env.REGISTRY }}/${{ secrets.DOCKERHUB_ACCOUNT }}/${{secrets.DOCKERHUB_REPO}}
+      - name: Show files
+        run: |
+          ls .
+          ls bin/
+      - name: Log into registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          registry: ${{ env.REGISTRY }}
+          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
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          platforms: |
+            linux/386
+            linux/amd64
+            linux/arm64/v8
+            linux/arm/v7
+          #            linux/riscv64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/delete.yml

@@ -0,0 +1,16 @@
+name: Delete old workflow runs
+on:
+  schedule:
+    - cron: '0 0 1 * *'
+# Run monthly, at 00:00 on the 1st day of month.
+
+jobs:
+  del_runs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Delete workflow runs
+        uses: GitRML/delete-workflow-runs@main
+        with:
+          token: ${{ secrets.AUTH_PAT }}
+          repository: ${{ github.repository }}
+          retain_days: 30

.github/workflows/docker.yaml

@@ -1,61 +0,0 @@
-name: Docker
-
-on:
-  push:
-    branches:
-      - Beta
-    tags:
-      - "v*"
-env:
-  REGISTRY: docker.io
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-
-      - 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
-      - name: Extract Docker metadata
-        id: meta
-        uses: docker/metadata-action@v3
-        with:
-          images: ${{ env.REGISTRY }}/${{ secrets.DOCKERHUB_ACCOUNT }}/${{secrets.DOCKERHUB_REPO}}
-
-      - name: Log into registry
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v1
-        with:
-          registry: ${{ env.REGISTRY }}
-          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
-      - name: Build and push Docker image
-        id: build-and-push
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          file: ./Dockerfile
-          push: ${{ github.event_name != 'pull_request' }}
-          platforms: |
-            linux/386
-            linux/amd64
-            linux/arm64/v8
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/prerelease.yml

@@ -1,61 +0,0 @@
-name: Prerelease
-on:
-  workflow_dispatch:
-  push:
-    branches:
-      - Alpha
-      - Beta
-  pull_request:
-    branches:
-      - Alpha
-      - Beta
-jobs:
-  Build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v3
-
-      - name: Setup Go
-        uses: actions/setup-go@v3
-        with:
-          go-version: '1.19'
-          check-latest: true
-          cache: true
-
-      - name: Test
-        if: ${{github.ref_name=='Beta'}}
-        run: |
-          go test ./...
-
-      - name: Build
-        if: success()
-        env:
-          NAME: Clash.Meta
-          BINDIR: bin
-        run: make -j$(($(nproc) + 1)) releases
-
-      - name: Delete current release assets
-        uses: mknejp/delete-release-assets@v1
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          tag_name: Prerelease-${{ github.ref_name }}
-          assets: |
-              *.zip
-              *.gz
-
-      - name: Tag Repo
-        uses: richardsimko/update-tag@v1.0.6
-        with:
-          tag_name: Prerelease-${{ github.ref_name }}
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Upload Alpha
-        uses: softprops/action-gh-release@v1
-        if: ${{  success() }}
-        with:
-          tag_name: Prerelease-${{ github.ref_name }}
-          files: bin/*
-          prerelease: true
-          generate_release_notes: true

.github/workflows/release.yaml

@@ -1,36 +0,0 @@
-name: Release
-on:
-  push:
-    tags:
-      - "v*"
-jobs:
-  Build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v3
-
-      - name: Setup Go
-        uses: actions/setup-go@v3
-        with:
-          go-version: '1.19'
-          check-latest: true
-          cache: true
-
-      - name: Test
-        run: |
-          go test ./...
-      - name: Build
-        if: success()
-        env:
-          NAME: Clash.Meta
-          BINDIR: bin
-        run: make -j$(($(nproc) + 1)) releases
-
-      - name: Upload Release
-        uses: softprops/action-gh-release@v1
-        if: ${{ success() && startsWith(github.ref, 'refs/tags/')}}
-        with:
-          tag: ${{ github.ref }}
-          files: bin/*
-          generate_release_notes: true

.gitignore

@@ -24,4 +24,5 @@ vendor
 # test suite
 test/config/cache*
 /output
-/.vscode
+.vscode/
+.fleet/

Dockerfile

@@ -1,18 +1,19 @@
-FROM golang:alpine as builder
+FROM alpine:latest as builder
+ARG TARGETPLATFORM
+RUN echo "I'm building for $TARGETPLATFORM"
 
-RUN apk add --no-cache make git && \
+RUN apk add --no-cache gzip && \
     mkdir /clash-config && \
     wget -O /clash-config/Country.mmdb https://raw.githubusercontent.com/Loyalsoldier/geoip/release/Country.mmdb && \
     wget -O /clash-config/geosite.dat https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat && \
     wget -O /clash-config/geoip.dat https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geoip.dat
 
-
+COPY docker/file-name.sh /clash/file-name.sh
-COPY . /clash-src
+WORKDIR /clash
-WORKDIR /clash-src
+COPY bin/ bin/
-RUN go mod download &&\
+RUN FILE_NAME=`sh file-name.sh` && echo $FILE_NAME && \
-    make docker &&\
+    FILE_NAME=`ls bin/ | egrep "$FILE_NAME.*"|awk NR==1` && echo $FILE_NAME && \
-    mv ./bin/Clash.Meta-docker /clash
+    mv bin/$FILE_NAME clash.gz && gzip -d clash.gz && echo "$FILE_NAME" > /clash-config/test
-
 FROM alpine:latest
 LABEL org.opencontainers.image.source="https://github.com/MetaCubeX/Clash.Meta"
 
@@ -21,6 +22,6 @@ RUN apk add --no-cache ca-certificates tzdata iptables
 VOLUME ["/root/.config/clash/"]
 
 COPY --from=builder /clash-config/ /root/.config/clash/
-COPY --from=builder /clash /clash
+COPY --from=builder /clash/clash /clash
 RUN chmod +x /clash
 ENTRYPOINT [ "/clash" ]

Makefile

@@ -47,14 +47,17 @@ all:linux-amd64 linux-arm64\
 	darwin-amd64 darwin-arm64\
  	windows-amd64 windows-arm64\
 
+
+darwin-all: darwin-amd64 darwin-arm64
+
 docker:
-	GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+	GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
 darwin-amd64:
 	GOARCH=amd64 GOOS=darwin GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
 darwin-amd64-compatible:
-	GOARCH=amd64 GOOS=darwin GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+	GOARCH=amd64 GOOS=darwin GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
 darwin-arm64:
 	GOARCH=arm64 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
@@ -66,7 +69,7 @@ linux-amd64:
 	GOARCH=amd64 GOOS=linux GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
 linux-amd64-compatible:
-	GOARCH=amd64 GOOS=linux GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+	GOARCH=amd64 GOOS=linux GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
 linux-arm64:
 	GOARCH=arm64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
@@ -98,6 +101,9 @@ linux-mips64:
 linux-mips64le:
 	GOARCH=mips64le GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
+linux-riscv64:
+	GOARCH=riscv64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+
 android-arm64:
 	GOARCH=arm64 GOOS=android $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
@@ -117,7 +123,7 @@ windows-amd64:
 	GOARCH=amd64 GOOS=windows GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
 windows-amd64-compatible:
-	GOARCH=amd64 GOOS=windows GOAMD64=v2 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
+	GOARCH=amd64 GOOS=windows GOAMD64=v1 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
 windows-arm64:
 	GOARCH=arm64 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe

README.md

@@ -29,32 +29,41 @@
 - Netfilter TCP redirecting. Deploy Clash on your Internet gateway with `iptables`.
 - Comprehensive HTTP RESTful API controller
 
-## Getting Started
+## Wiki
-Documentations are now moved to [GitHub Wiki](https://github.com/Dreamacro/clash/wiki).
+Configuration examples can be found at [/docs/config.yaml](https://github.com/MetaCubeX/Clash.Meta/blob/Alpha/docs/config.yaml), while documentation can be found [Clash.Meta Wiki](https://clash-meta.wiki).
-
-## 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:
+Now you can build it:
+
 ```shell
 go build
 ```
 
-### DNS configuration
+If you need gvisor for tun stack, build with:
+
+```shell
+go build -tags with_gvisor
+```
+
+<!-- ## Advanced usage of this fork -->
+
+<!-- ### DNS configuration
 
 Support `geosite` with `fallback-filter`.
 
@@ -64,7 +73,6 @@ Support resolve ip with a `Proxy Tunnel`.
 
 ```yaml
 proxy-groups:
-
   - name: DNS
     type: url-test
     use:
@@ -73,6 +81,7 @@ proxy-groups:
     interval: 180
     lazy: true
 ```
+
 ```yaml
 dns:
   enable: true
@@ -88,12 +97,12 @@ dns:
     - https://doh.pub/dns-query
     - tls://223.5.5.5:853
   fallback:
-    - 'https://1.0.0.1/dns-query#DNS'  # append the proxy adapter name or group name to the end of DNS URL with '#' prefix.
+    - "https://1.0.0.1/dns-query#DNS" # append the proxy adapter name or group name to the end of DNS URL with '#' prefix.
-    - 'tls://8.8.4.4:853#DNS'
+    - "tls://8.8.4.4:853#DNS"
   fallback-filter:
     geoip: false
     geosite:
-      - gfw  # `geosite` filter only use fallback server to resolve ip, prevent DNS leaks to unsafe DNS providers.
+      - gfw # `geosite` filter only use fallback server to resolve ip, prevent DNS leaks to unsafe DNS providers.
     domain:
       - +.example.com
     ipcidr:
@@ -110,21 +119,23 @@ Built-in [Wintun](https://www.wintun.net) driver.
 # Enable the TUN listener
 tun:
   enable: true
-  stack: gvisor #  only gvisor
+  stack: system #   system/gvisor
   dns-hijack:
     - 0.0.0.0:53 # additional dns server listen on TUN
   auto-route: true # auto set global route
 ```
+
 ### Rules configuration
+
 - Support rule `GEOSITE`.
 - Support rule-providers `RULE-SET`.
 - Support `multiport` condition for rule `SRC-PORT` and `DST-PORT`.
 - Support `network` condition for all rules.
 - Support source IPCIDR condition for all rules, just append to the end.
 - The `GEOSITE` databases via https://github.com/Loyalsoldier/v2ray-rules-dat.
+
 ```yaml
 rules:
-
   # network(tcp/udp) condition for all rules
   - DOMAIN-SUFFIX,bilibili.com,DIRECT,tcp
   - DOMAIN-SUFFIX,bilibili.com,REJECT,udp
@@ -153,7 +164,6 @@ rules:
   - MATCH,PROXY
 ```
 
-
 ### Proxies configuration
 
 Active health detection `urltest / fallback` (based on tcp handshake, multiple failures within a limited time will actively trigger health detection to use the node)
@@ -162,18 +172,17 @@ Support `Policy Group Filter`
 
 ```yaml
 proxy-groups:
-
   - name: 🚀 HK Group
     type: select
     use:
       - ALL
-    filter: 'HK'
+    filter: "HK"
 
   - name: 🚀 US Group
     type: select
     use:
       - ALL
-    filter: 'US'
+    filter: "US"
 
 proxy-providers:
   ALL:
@@ -185,14 +194,12 @@ proxy-providers:
       enable: true
       interval: 600
       url: http://www.gstatic.com/generate_204
-
 ```
 
-
-
 Support outbound transport protocol `VLESS`.
 
 The XTLS support (TCP/UDP) transport by the XRAY-CORE.
+
 ```yaml
 proxies:
   - name: "vless"
@@ -232,8 +239,8 @@ proxies:
       grpc-service-name: grpcname
 ```
 
-
 Support outbound transport protocol `Wireguard`
+
 ```yaml
 proxies:
   - name: "wg"
@@ -248,6 +255,7 @@ proxies:
 ```
 
 Support outbound transport protocol `Tuic`
+
 ```yaml
 proxies:
   - name: "tuic"
@@ -266,11 +274,11 @@ proxies:
     # max-udp-relay-packet-size: 1500
     # fast-open: true
     # skip-cert-verify: true
-
+``` -->
-```
 
 ### IPTABLES configuration
-Work on Linux OS who's supported `iptables`
+
+Work on Linux OS which supported `iptables`
 
 ```yaml
 # Enable the TPROXY listener
@@ -281,17 +289,15 @@ iptables:
   inbound-interface: eth0 # detect the inbound interface, default is 'lo'
 ```
 
-
 ### General installation guide for Linux
-+ Create user given name `clash-meta`
 
-+ Download and decompress pre-built binaries from [releases](https://github.com/MetaCubeX/Clash.Meta/releases)  
+- Create user given name `clash-meta`
 
-+ Rename executable file to `Clash-Meta` and move to `/usr/local/bin/` 
+- Download and decompress pre-built binaries from [releases](https://github.com/MetaCubeX/Clash.Meta/releases)
-
-+ Create folder `/etc/Clash-Meta/` as working directory 
 
+- Rename executable file to `Clash-Meta` and move to `/usr/local/bin/`
 
+- Create folder `/etc/Clash-Meta/` as working directory
 
 Run Meta Kernel by user `clash-meta` as a daemon.
 
@@ -317,10 +323,13 @@ ExecStart=/usr/local/bin/Clash-Meta -d /etc/Clash-Meta
 [Install]
 WantedBy=multi-user.target
 ```
+
 Launch clashd on system startup with:
+
 ```shell
 $ systemctl enable Clash-Meta
 ```
+
 Launch clashd immediately with:
 
 ```shell
@@ -331,23 +340,29 @@ $ 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/MetaCubeX/clash-dashboard).
+To display process name in GUI please use [Razord-meta](https://github.com/MetaCubeX/Razord-meta).
 
-![img.png](https://github.com/Clash-Mini/Dashboard/raw/master/View/Dashboard-Process.png)
+### Dashboard
+
+We also made a custom fork of yacd provide better support for this project, check it out at [Yacd-meta](https://github.com/MetaCubeX/Yacd-meta)
 
 ## Development
 
 If you want to build an application that uses clash as a library, check out the
 the [GitHub Wiki](https://github.com/Dreamacro/clash/wiki/use-clash-as-a-library)
 
+## Debugging
+Check [wiki](https://github.com/MetaCubeX/Clash.Meta/wiki/How-to-use-debug-api) to get an instruction on using debug API.
+
+
 ## Credits
 
-* [Dreamacro/clash](https://github.com/Dreamacro/clash)
+- [Dreamacro/clash](https://github.com/Dreamacro/clash)
-* [SagerNet/sing-box](https://github.com/SagerNet/sing-box)
+- [SagerNet/sing-box](https://github.com/SagerNet/sing-box)
-* [riobard/go-shadowsocks2](https://github.com/riobard/go-shadowsocks2)
+- [riobard/go-shadowsocks2](https://github.com/riobard/go-shadowsocks2)
-* [v2ray/v2ray-core](https://github.com/v2ray/v2ray-core)
+- [v2ray/v2ray-core](https://github.com/v2ray/v2ray-core)
-* [WireGuard/wireguard-go](https://github.com/WireGuard/wireguard-go)
+- [WireGuard/wireguard-go](https://github.com/WireGuard/wireguard-go)
-* [yaling888/clash-plus-pro](https://github.com/yaling888/clash)
+- [yaling888/clash-plus-pro](https://github.com/yaling888/clash)
 
 ## License
 

adapter/adapter.go

@@ -92,6 +92,7 @@ func (p *Proxy) MarshalJSON() ([]byte, error) {
 	mapping["history"] = p.DelayHistory()
 	mapping["name"] = p.Name()
 	mapping["udp"] = p.SupportUDP()
+	mapping["xudp"] = p.SupportXUDP()
 	mapping["tfo"] = p.SupportTFO()
 	return json.Marshal(mapping)
 }

adapter/inbound/http.go

@@ -16,11 +16,11 @@ func NewHTTP(target socks5.Addr, source net.Addr, conn net.Conn, additions ...Ad
 	for _, addition := range additions {
 		addition.Apply(metadata)
 	}
-	if ip, port, err := parseAddr(source.String()); err == nil {
+	if ip, port, err := parseAddr(source); err == nil {
 		metadata.SrcIP = ip
 		metadata.SrcPort = port
 	}
-	if ip, port, err := parseAddr(conn.LocalAddr().String()); err == nil {
+	if ip, port, err := parseAddr(conn.LocalAddr()); err == nil {
 		metadata.InIP = ip
 		metadata.InPort = port
 	}

adapter/inbound/https.go

@@ -15,11 +15,11 @@ func NewHTTPS(request *http.Request, conn net.Conn, additions ...Addition) *cont
 	for _, addition := range additions {
 		addition.Apply(metadata)
 	}
-	if ip, port, err := parseAddr(conn.RemoteAddr().String()); err == nil {
+	if ip, port, err := parseAddr(conn.RemoteAddr()); err == nil {
 		metadata.SrcIP = ip
 		metadata.SrcPort = port
 	}
-	if ip, port, err := parseAddr(conn.LocalAddr().String()); err == nil {
+	if ip, port, err := parseAddr(conn.LocalAddr()); err == nil {
 		metadata.InIP = ip
 		metadata.InPort = port
 	}

adapter/inbound/listen.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"net"
 
-	"github.com/database64128/tfo-go/v2"
+	"github.com/sagernet/tfo-go"
 )
 
 var (

adapter/inbound/packet.go

@@ -24,12 +24,12 @@ func NewPacket(target socks5.Addr, packet C.UDPPacket, source C.Type, additions
 	for _, addition := range additions {
 		addition.Apply(metadata)
 	}
-	if ip, port, err := parseAddr(packet.LocalAddr().String()); err == nil {
+	if ip, port, err := parseAddr(packet.LocalAddr()); 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 {
+		if ip, port, err := parseAddr(p.InAddr()); err == nil {
 			metadata.InIP = ip
 			metadata.InPort = port
 		}

adapter/inbound/socket.go

@@ -18,22 +18,13 @@ func NewSocket(target socks5.Addr, conn net.Conn, source C.Type, additions ...Ad
 		addition.Apply(metadata)
 	}
 
-	remoteAddr := conn.RemoteAddr()
+	if ip, port, err := parseAddr(conn.RemoteAddr()); err == nil {
-
+		metadata.SrcIP = ip
-	// Filter when net.Addr interface is nil
+		metadata.SrcPort = port
-	if remoteAddr != nil {
-		if ip, port, err := parseAddr(remoteAddr.String()); err == nil {
-			metadata.SrcIP = ip
-			metadata.SrcPort = port
-		}
 	}
-	localAddr := conn.LocalAddr()
+	if ip, port, err := parseAddr(conn.LocalAddr()); err == nil {
-	// Filter when net.Addr interface is nil
+		metadata.InIP = ip
-	if localAddr != nil {
+		metadata.InPort = port
-		if ip, port, err := parseAddr(localAddr.String()); err == nil {
-			metadata.InIP = ip
-			metadata.InPort = port
-		}
 	}
 
 	return context.NewConnContext(conn, metadata)
@@ -43,7 +34,7 @@ func NewInner(conn net.Conn, dst string, host string) *context.ConnContext {
 	metadata := &C.Metadata{}
 	metadata.NetWork = C.TCP
 	metadata.Type = C.INNER
-	metadata.DNSMode = C.DNSMapping
+	metadata.DNSMode = C.DNSNormal
 	metadata.Host = host
 	metadata.Process = C.ClashName
 	if h, port, err := net.SplitHostPort(dst); err == nil {
@@ -51,6 +42,8 @@ func NewInner(conn net.Conn, dst string, host string) *context.ConnContext {
 		if host == "" {
 			if ip, err := netip.ParseAddr(h); err == nil {
 				metadata.DstIP = ip
+			} else {
+				metadata.Host = h
 			}
 		}
 	}

adapter/inbound/util.go

@@ -1,13 +1,14 @@
 package inbound
 
 import (
-	"github.com/Dreamacro/clash/common/nnip"
+	"errors"
 	"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"
 )
@@ -57,8 +58,19 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
 	return metadata
 }
 
-func parseAddr(addr string) (netip.Addr, string, error) {
+func parseAddr(addr net.Addr) (netip.Addr, string, error) {
-	host, port, err := net.SplitHostPort(addr)
+	// Filter when net.Addr interface is nil
+	if addr == nil {
+		return netip.Addr{}, "", errors.New("nil addr")
+	}
+	if rawAddr, ok := addr.(interface{ RawAddr() net.Addr }); ok {
+		ip, port, err := parseAddr(rawAddr.RawAddr())
+		if err == nil {
+			return ip, port, err
+		}
+	}
+	addrStr := addr.String()
+	host, port, err := net.SplitHostPort(addrStr)
 	if err != nil {
 		return netip.Addr{}, "", err
 	}

adapter/outbound/base.go

@@ -4,10 +4,11 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
-	"github.com/gofrs/uuid"
 	"net"
 	"strings"
 
+	N "github.com/Dreamacro/clash/common/net"
+	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 )
@@ -18,6 +19,7 @@ type Base struct {
 	iface  string
 	tp     C.AdapterType
 	udp    bool
+	xudp   bool
 	tfo    bool
 	rmark  int
 	id     string
@@ -32,12 +34,7 @@ func (b *Base) Name() string {
 // Id implements C.ProxyAdapter
 func (b *Base) Id() string {
 	if b.id == "" {
-		id, err := uuid.NewV6()
+		b.id = utils.NewUUIDV6().String()
-		if err != nil {
-			b.id = b.name
-		} else {
-			b.id = id.String()
-		}
 	}
 
 	return b.id
@@ -87,6 +84,11 @@ func (b *Base) SupportUDP() bool {
 	return b.udp
 }
 
+// SupportXUDP implements C.ProxyAdapter
+func (b *Base) SupportXUDP() bool {
+	return b.xudp
+}
+
 // SupportTFO implements C.ProxyAdapter
 func (b *Base) SupportTFO() bool {
 	return b.tfo
@@ -132,10 +134,15 @@ func (b *Base) DialOptions(opts ...dialer.Option) []dialer.Option {
 	default:
 	}
 
+	if b.tfo {
+		opts = append(opts, dialer.WithTFO(true))
+	}
+
 	return opts
 }
 
 type BasicOption struct {
+	TFO         bool   `proxy:"tfo,omitempty" group:"tfo,omitempty"`
 	Interface   string `proxy:"interface-name,omitempty" group:"interface-name,omitempty"`
 	RoutingMark int    `proxy:"routing-mark,omitempty" group:"routing-mark,omitempty"`
 	IPVersion   string `proxy:"ip-version,omitempty" group:"ip-version,omitempty"`
@@ -146,6 +153,7 @@ type BaseOption struct {
 	Addr        string
 	Type        C.AdapterType
 	UDP         bool
+	XUDP        bool
 	TFO         bool
 	Interface   string
 	RoutingMark int
@@ -158,6 +166,7 @@ func NewBase(opt BaseOption) *Base {
 		addr:   opt.Addr,
 		tp:     opt.Type,
 		udp:    opt.UDP,
+		xudp:   opt.XUDP,
 		tfo:    opt.TFO,
 		iface:  opt.Interface,
 		rmark:  opt.RoutingMark,
@@ -166,7 +175,7 @@ func NewBase(opt BaseOption) *Base {
 }
 
 type conn struct {
-	net.Conn
+	N.ExtendedConn
 	chain                   C.Chain
 	actualRemoteDestination string
 }
@@ -185,13 +194,19 @@ func (c *conn) AppendToChains(a C.ProxyAdapter) {
 	c.chain = append(c.chain, a.Name())
 }
 
+func (c *conn) Upstream() any {
+	return c.ExtendedConn
+}
+
 func NewConn(c net.Conn, a C.ProxyAdapter) C.Conn {
-	return &conn{c, []string{a.Name()}, parseRemoteDestination(a.Addr())}
+	return &conn{N.NewExtendedConn(c), []string{a.Name()}, parseRemoteDestination(a.Addr())}
 }
 
 type packetConn struct {
 	net.PacketConn
 	chain                   C.Chain
+	adapterName             string
+	connID                  string
 	actualRemoteDestination string
 }
 
@@ -209,8 +224,13 @@ func (c *packetConn) AppendToChains(a C.ProxyAdapter) {
 	c.chain = append(c.chain, a.Name())
 }
 
+func (c *packetConn) LocalAddr() net.Addr {
+	lAddr := c.PacketConn.LocalAddr()
+	return N.NewCustomAddr(c.adapterName, c.connID, lAddr) // make quic-go's connMultiplexer happy
+}
+
 func newPacketConn(pc net.PacketConn, a C.ProxyAdapter) C.PacketConn {
-	return &packetConn{pc, []string{a.Name()}, parseRemoteDestination(a.Addr())}
+	return &packetConn{pc, []string{a.Name()}, a.Name(), utils.NewUUIDV4().String(), parseRemoteDestination(a.Addr())}
 }
 
 func parseRemoteDestination(addr string) string {

adapter/outbound/http.go

@@ -7,7 +7,6 @@ import (
 	"encoding/base64"
 	"errors"
 	"fmt"
-	tlsC "github.com/Dreamacro/clash/component/tls"
 	"io"
 	"net"
 	"net/http"
@@ -15,6 +14,7 @@ import (
 	"strconv"
 
 	"github.com/Dreamacro/clash/component/dialer"
+	tlsC "github.com/Dreamacro/clash/component/tls"
 	C "github.com/Dreamacro/clash/constant"
 )
 
@@ -150,7 +150,7 @@ func NewHttp(option HttpOption) (*Http, error) {
 			sni = option.SNI
 		}
 		if len(option.Fingerprint) == 0 {
-			tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(&tls.Config{
+			tlsConfig = tlsC.GetGlobalTLSConfig(&tls.Config{
 				InsecureSkipVerify: option.SkipCertVerify,
 				ServerName:         sni,
 			})
@@ -170,6 +170,7 @@ func NewHttp(option HttpOption) (*Http, error) {
 			name:   option.Name,
 			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
 			tp:     C.Http,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),

adapter/outbound/hysteria.go

@@ -178,7 +178,7 @@ func NewHysteria(option HysteriaOption) (*Hysteria, error) {
 			return nil, err
 		}
 	} else {
-		tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+		tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
 	}
 
 	if len(option.ALPN) > 0 {

adapter/outbound/reality.go

@@ -0,0 +1,35 @@
+package outbound
+
+import (
+	"encoding/base64"
+	"encoding/hex"
+	"errors"
+
+	tlsC "github.com/Dreamacro/clash/component/tls"
+
+	"golang.org/x/crypto/curve25519"
+)
+
+type RealityOptions struct {
+	PublicKey string `proxy:"public-key"`
+	ShortID   string `proxy:"short-id"`
+}
+
+func (o RealityOptions) Parse() (*tlsC.RealityConfig, error) {
+	if o.PublicKey != "" {
+		config := new(tlsC.RealityConfig)
+
+		n, err := base64.RawURLEncoding.Decode(config.PublicKey[:], []byte(o.PublicKey))
+		if err != nil || n != curve25519.ScalarSize {
+			return nil, errors.New("invalid REALITY public key")
+		}
+
+		n, err = hex.Decode(config.ShortID[:], []byte(o.ShortID))
+		if err != nil || n > tlsC.RealityMaxShortIDLen {
+			return nil, errors.New("invalid REALITY short ID")
+		}
+
+		return config, nil
+	}
+	return nil, nil
+}

adapter/outbound/reject.go

@@ -6,6 +6,7 @@ import (
 	"net"
 	"time"
 
+	"github.com/Dreamacro/clash/common/buf"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 )
@@ -16,12 +17,12 @@ type Reject struct {
 
 // DialContext implements C.ProxyAdapter
 func (r *Reject) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
-	return NewConn(&nopConn{}, r), nil
+	return NewConn(nopConn{}, r), nil
 }
 
 // ListenPacketContext implements C.ProxyAdapter
 func (r *Reject) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
-	return newPacketConn(&nopPacketConn{}, r), nil
+	return newPacketConn(nopPacketConn{}, r), nil
 }
 
 func NewReject() *Reject {
@@ -48,27 +49,37 @@ func NewPass() *Reject {
 
 type nopConn struct{}
 
-func (rw *nopConn) Read(b []byte) (int, error) {
+func (rw nopConn) Read(b []byte) (int, error) {
 	return 0, io.EOF
 }
 
-func (rw *nopConn) Write(b []byte) (int, error) {
+func (rw nopConn) ReadBuffer(buffer *buf.Buffer) error {
+	return io.EOF
+}
+
+func (rw nopConn) Write(b []byte) (int, error) {
 	return 0, io.EOF
 }
 
-func (rw *nopConn) Close() error                     { return nil }
+func (rw nopConn) WriteBuffer(buffer *buf.Buffer) error {
-func (rw *nopConn) LocalAddr() net.Addr              { return nil }
+	return io.EOF
-func (rw *nopConn) RemoteAddr() net.Addr             { return nil }
+}
-func (rw *nopConn) SetDeadline(time.Time) error      { return nil }
+
-func (rw *nopConn) SetReadDeadline(time.Time) error  { return nil }
+func (rw nopConn) Close() error                     { return nil }
-func (rw *nopConn) SetWriteDeadline(time.Time) error { return nil }
+func (rw nopConn) LocalAddr() net.Addr              { return nil }
+func (rw nopConn) RemoteAddr() net.Addr             { return nil }
+func (rw nopConn) SetDeadline(time.Time) error      { return nil }
+func (rw nopConn) SetReadDeadline(time.Time) error  { return nil }
+func (rw nopConn) SetWriteDeadline(time.Time) error { return nil }
+
+var udpAddrIPv4Unspecified = &net.UDPAddr{IP: net.IPv4zero, Port: 0}
 
 type nopPacketConn struct{}
 
-func (npc *nopPacketConn) WriteTo(b []byte, addr net.Addr) (n int, err error) { return len(b), nil }
+func (npc nopPacketConn) WriteTo(b []byte, addr net.Addr) (n int, err error) { return len(b), nil }
-func (npc *nopPacketConn) ReadFrom(b []byte) (int, net.Addr, error)           { return 0, nil, io.EOF }
+func (npc nopPacketConn) ReadFrom(b []byte) (int, net.Addr, error)           { return 0, nil, io.EOF }
-func (npc *nopPacketConn) Close() error                                       { return nil }
+func (npc nopPacketConn) Close() error                                       { return nil }
-func (npc *nopPacketConn) LocalAddr() net.Addr                                { return &net.UDPAddr{IP: net.IPv4zero, Port: 0} }
+func (npc nopPacketConn) LocalAddr() net.Addr                                { return udpAddrIPv4Unspecified }
-func (npc *nopPacketConn) SetDeadline(time.Time) error                        { return nil }
+func (npc nopPacketConn) SetDeadline(time.Time) error                        { return nil }
-func (npc *nopPacketConn) SetReadDeadline(time.Time) error                    { return nil }
+func (npc nopPacketConn) SetReadDeadline(time.Time) error                    { return nil }
-func (npc *nopPacketConn) SetWriteDeadline(time.Time) error                   { return nil }
+func (npc nopPacketConn) SetWriteDeadline(time.Time) error                   { return nil }

adapter/outbound/shadowsocks.go

@@ -2,21 +2,23 @@ package outbound
 
 import (
 	"context"
-	"crypto/tls"
 	"errors"
 	"fmt"
 	"net"
 	"strconv"
+	"time"
 
+	N "github.com/Dreamacro/clash/common/net"
 	"github.com/Dreamacro/clash/common/structure"
 	"github.com/Dreamacro/clash/component/dialer"
-	tlsC "github.com/Dreamacro/clash/component/tls"
 	C "github.com/Dreamacro/clash/constant"
-	"github.com/Dreamacro/clash/transport/shadowtls"
+	"github.com/Dreamacro/clash/transport/restls"
 	obfs "github.com/Dreamacro/clash/transport/simple-obfs"
+	shadowtls "github.com/Dreamacro/clash/transport/sing-shadowtls"
 	"github.com/Dreamacro/clash/transport/socks5"
 	v2rayObfs "github.com/Dreamacro/clash/transport/v2ray-plugin"
 
+	restlsC "github.com/3andne/restls-client-go"
 	shadowsocks "github.com/metacubex/sing-shadowsocks"
 	"github.com/metacubex/sing-shadowsocks/shadowimpl"
 	"github.com/sagernet/sing/common/bufio"
@@ -33,21 +35,23 @@ type ShadowSocks struct {
 	obfsMode        string
 	obfsOption      *simpleObfsOption
 	v2rayOption     *v2rayObfs.Option
-	shadowTLSOption *shadowTLSOption
+	shadowTLSOption *shadowtls.ShadowTLSOption
-	tlsConfig       *tls.Config
+	restlsConfig    *restlsC.Config
 }
 
 type ShadowSocksOption struct {
 	BasicOption
-	Name       string         `proxy:"name"`
+	Name              string         `proxy:"name"`
-	Server     string         `proxy:"server"`
+	Server            string         `proxy:"server"`
-	Port       int            `proxy:"port"`
+	Port              int            `proxy:"port"`
-	Password   string         `proxy:"password"`
+	Password          string         `proxy:"password"`
-	Cipher     string         `proxy:"cipher"`
+	Cipher            string         `proxy:"cipher"`
-	UDP        bool           `proxy:"udp,omitempty"`
+	UDP               bool           `proxy:"udp,omitempty"`
-	Plugin     string         `proxy:"plugin,omitempty"`
+	Plugin            string         `proxy:"plugin,omitempty"`
-	PluginOpts map[string]any `proxy:"plugin-opts,omitempty"`
+	PluginOpts        map[string]any `proxy:"plugin-opts,omitempty"`
-	UDPOverTCP bool           `proxy:"udp-over-tcp,omitempty"`
+	UDPOverTCP        bool           `proxy:"udp-over-tcp,omitempty"`
+	UDPOverTCPVersion int            `proxy:"udp-over-tcp-version,omitempty"`
+	ClientFingerprint string         `proxy:"client-fingerprint,omitempty"`
 }
 
 type simpleObfsOption struct {
@@ -71,10 +75,26 @@ type shadowTLSOption struct {
 	Host           string `obfs:"host"`
 	Fingerprint    string `obfs:"fingerprint,omitempty"`
 	SkipCertVerify bool   `obfs:"skip-cert-verify,omitempty"`
+	Version        int    `obfs:"version,omitempty"`
+}
+
+type restlsOption struct {
+	Password     string `obfs:"password"`
+	Host         string `obfs:"host"`
+	VersionHint  string `obfs:"version-hint"`
+	RestlsScript string `obfs:"restls-script,omitempty"`
 }
 
 // StreamConn implements C.ProxyAdapter
 func (ss *ShadowSocks) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
+	// fix tls handshake not timeout
+	ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTLSTimeout)
+	defer cancel()
+	return ss.StreamConnContext(ctx, c, metadata)
+}
+
+func (ss *ShadowSocks) StreamConnContext(ctx context.Context, c net.Conn, metadata *C.Metadata) (net.Conn, error) {
+	useEarly := false
 	switch ss.obfsMode {
 	case "tls":
 		c = obfs.NewTLSObfs(c, ss.obfsOption.Host)
@@ -88,12 +108,34 @@ func (ss *ShadowSocks) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, e
 			return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 		}
 	case shadowtls.Mode:
-		c = shadowtls.NewShadowTLS(c, ss.shadowTLSOption.Password, ss.tlsConfig)
+		var err error
+		c, err = shadowtls.NewShadowTLS(ctx, c, ss.shadowTLSOption)
+		if err != nil {
+			return nil, err
+		}
+		useEarly = true
+	case restls.Mode:
+		var err error
+		c, err = restls.NewRestls(ctx, c, ss.restlsConfig)
+		if err != nil {
+			return nil, fmt.Errorf("%s (restls) connect error: %w", ss.addr, err)
+		}
+		useEarly = true
 	}
+	useEarly = useEarly || N.NeedHandshake(c)
 	if metadata.NetWork == C.UDP && ss.option.UDPOverTCP {
-		return ss.method.DialConn(c, M.ParseSocksaddr(uot.UOTMagicAddress+":443"))
+		uotDestination := uot.RequestDestination(uint8(ss.option.UDPOverTCPVersion))
+		if useEarly {
+			return ss.method.DialEarlyConn(c, uotDestination), nil
+		} else {
+			return ss.method.DialConn(c, uotDestination)
+		}
+	}
+	if useEarly {
+		return ss.method.DialEarlyConn(c, M.ParseSocksaddr(metadata.RemoteAddress())), nil
+	} else {
+		return ss.method.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
 	}
-	return ss.method.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
 }
 
 // DialContext implements C.ProxyAdapter
@@ -113,7 +155,7 @@ func (ss *ShadowSocks) DialContextWithDialer(ctx context.Context, dialer C.Diale
 		safeConnClose(c, err)
 	}(c)
 
-	c, err = ss.StreamConn(c, metadata)
+	c, err = ss.StreamConnContext(ctx, c, metadata)
 	return NewConn(c, ss), err
 }
 
@@ -129,7 +171,12 @@ func (ss *ShadowSocks) ListenPacketWithDialer(ctx context.Context, dialer C.Dial
 		if err != nil {
 			return nil, err
 		}
-		return newPacketConn(uot.NewClientConn(tcpConn), ss), nil
+		destination := M.ParseSocksaddr(metadata.RemoteAddress())
+		if ss.option.UDPOverTCPVersion == 1 {
+			return newPacketConn(uot.NewConn(tcpConn, uot.Request{Destination: destination}), ss), nil
+		} else {
+			return newPacketConn(uot.NewLazyConn(tcpConn, uot.Request{Destination: destination}), ss), nil
+		}
 	}
 	addr, err := resolveUDPAddrWithPrefer(ctx, "udp", ss.addr, ss.prefer)
 	if err != nil {
@@ -152,7 +199,12 @@ func (ss *ShadowSocks) SupportWithDialer() bool {
 // 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
+		destination := M.ParseSocksaddr(metadata.RemoteAddress())
+		if ss.option.UDPOverTCPVersion == uot.LegacyVersion {
+			return newPacketConn(uot.NewConn(c, uot.Request{Destination: destination}), ss), nil
+		} else {
+			return newPacketConn(uot.NewLazyConn(c, uot.Request{Destination: destination}), ss), nil
+		}
 	}
 	return nil, errors.New("no support")
 }
@@ -164,15 +216,15 @@ func (ss *ShadowSocks) SupportUOT() bool {
 
 func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
-	method, err := shadowimpl.FetchMethod(option.Cipher, option.Password)
+	method, err := shadowimpl.FetchMethod(option.Cipher, option.Password, time.Now)
 	if err != nil {
 		return nil, fmt.Errorf("ss %s initialize error: %w", addr, err)
 	}
 
 	var v2rayOption *v2rayObfs.Option
 	var obfsOption *simpleObfsOption
-	var shadowTLSOpt *shadowTLSOption
+	var shadowTLSOpt *shadowtls.ShadowTLSOption
-	var tlsConfig *tls.Config
+	var restlsConfig *restlsC.Config
 	obfsMode := ""
 
 	decoder := structure.NewDecoder(structure.Option{TagName: "obfs", WeaklyTypedInput: true})
@@ -210,25 +262,41 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 		}
 	} else if option.Plugin == shadowtls.Mode {
 		obfsMode = shadowtls.Mode
-		shadowTLSOpt = &shadowTLSOption{}
+		opt := &shadowTLSOption{
-		if err := decoder.Decode(option.PluginOpts, shadowTLSOpt); err != nil {
+			Version: 2,
+		}
+		if err := decoder.Decode(option.PluginOpts, opt); err != nil {
 			return nil, fmt.Errorf("ss %s initialize shadow-tls-plugin error: %w", addr, err)
 		}
 
-		tlsConfig = &tls.Config{
+		shadowTLSOpt = &shadowtls.ShadowTLSOption{
-			NextProtos:         shadowtls.DefaultALPN,
+			Password:          opt.Password,
-			MinVersion:         tls.VersionTLS12,
+			Host:              opt.Host,
-			InsecureSkipVerify: shadowTLSOpt.SkipCertVerify,
+			Fingerprint:       opt.Fingerprint,
-			ServerName:         shadowTLSOpt.Host,
+			ClientFingerprint: option.ClientFingerprint,
+			SkipCertVerify:    opt.SkipCertVerify,
+			Version:           opt.Version,
+		}
+	} else if option.Plugin == restls.Mode {
+		obfsMode = restls.Mode
+		restlsOpt := &restlsOption{}
+		if err := decoder.Decode(option.PluginOpts, restlsOpt); err != nil {
+			return nil, fmt.Errorf("ss %s initialize restls-plugin error: %w", addr, err)
 		}
 
-		if len(shadowTLSOpt.Fingerprint) == 0 {
+		restlsConfig, err = restlsC.NewRestlsConfig(restlsOpt.Host, restlsOpt.Password, restlsOpt.VersionHint, restlsOpt.RestlsScript, option.ClientFingerprint)
-			tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+		restlsConfig.SessionTicketsDisabled = true
-		} else {
+		if err != nil {
-			if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, shadowTLSOpt.Fingerprint); err != nil {
+			return nil, fmt.Errorf("ss %s initialize restls-plugin error: %w", addr, err)
-				return nil, err
-			}
 		}
+
+	}
+	switch option.UDPOverTCPVersion {
+	case uot.Version, uot.LegacyVersion:
+	case 0:
+		option.UDPOverTCPVersion = uot.Version
+	default:
+		return nil, fmt.Errorf("ss %s unknown udp over tcp protocol version: %d", addr, option.UDPOverTCPVersion)
 	}
 
 	return &ShadowSocks{
@@ -237,6 +305,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 			addr:   addr,
 			tp:     C.Shadowsocks,
 			udp:    option.UDP,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),
@@ -248,7 +317,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 		v2rayOption:     v2rayOption,
 		obfsOption:      obfsOption,
 		shadowTLSOption: shadowTLSOpt,
-		tlsConfig:       tlsConfig,
+		restlsConfig:    restlsConfig,
 	}, nil
 }
 

adapter/outbound/shadowsocksr.go

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

adapter/outbound/snell.go

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

adapter/outbound/socks5.go

@@ -5,12 +5,12 @@ import (
 	"crypto/tls"
 	"errors"
 	"fmt"
-	tlsC "github.com/Dreamacro/clash/component/tls"
 	"io"
 	"net"
 	"strconv"
 
 	"github.com/Dreamacro/clash/component/dialer"
+	tlsC "github.com/Dreamacro/clash/component/tls"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/socks5"
 )
@@ -167,7 +167,7 @@ func NewSocks5(option Socks5Option) (*Socks5, error) {
 		}
 
 		if len(option.Fingerprint) == 0 {
-			tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+			tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
 		} else {
 			var err error
 			if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint); err != nil {
@@ -182,6 +182,7 @@ func NewSocks5(option Socks5Option) (*Socks5, error) {
 			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
 			tp:     C.Socks5,
 			udp:    option.UDP,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),

adapter/outbound/trojan.go

@@ -8,6 +8,7 @@ import (
 	"net/http"
 	"strconv"
 
+	N "github.com/Dreamacro/clash/common/net"
 	"github.com/Dreamacro/clash/component/dialer"
 	tlsC "github.com/Dreamacro/clash/component/tls"
 	C "github.com/Dreamacro/clash/constant"
@@ -25,24 +26,28 @@ type Trojan struct {
 	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
 	transport    *gun.TransportWrap
+
+	realityConfig *tlsC.RealityConfig
 }
 
 type TrojanOption struct {
 	BasicOption
-	Name           string      `proxy:"name"`
+	Name              string         `proxy:"name"`
-	Server         string      `proxy:"server"`
+	Server            string         `proxy:"server"`
-	Port           int         `proxy:"port"`
+	Port              int            `proxy:"port"`
-	Password       string      `proxy:"password"`
+	Password          string         `proxy:"password"`
-	ALPN           []string    `proxy:"alpn,omitempty"`
+	ALPN              []string       `proxy:"alpn,omitempty"`
-	SNI            string      `proxy:"sni,omitempty"`
+	SNI               string         `proxy:"sni,omitempty"`
-	SkipCertVerify bool        `proxy:"skip-cert-verify,omitempty"`
+	SkipCertVerify    bool           `proxy:"skip-cert-verify,omitempty"`
-	Fingerprint    string      `proxy:"fingerprint,omitempty"`
+	Fingerprint       string         `proxy:"fingerprint,omitempty"`
-	UDP            bool        `proxy:"udp,omitempty"`
+	UDP               bool           `proxy:"udp,omitempty"`
-	Network        string      `proxy:"network,omitempty"`
+	Network           string         `proxy:"network,omitempty"`
-	GrpcOpts       GrpcOptions `proxy:"grpc-opts,omitempty"`
+	RealityOpts       RealityOptions `proxy:"reality-opts,omitempty"`
-	WSOpts         WSOptions   `proxy:"ws-opts,omitempty"`
+	GrpcOpts          GrpcOptions    `proxy:"grpc-opts,omitempty"`
-	Flow           string      `proxy:"flow,omitempty"`
+	WSOpts            WSOptions      `proxy:"ws-opts,omitempty"`
-	FlowShow       bool        `proxy:"flow-show,omitempty"`
+	Flow              string         `proxy:"flow,omitempty"`
+	FlowShow          bool           `proxy:"flow-show,omitempty"`
+	ClientFingerprint string         `proxy:"client-fingerprint,omitempty"`
 }
 
 func (t *Trojan) plainStream(c net.Conn) (net.Conn, error) {
@@ -75,8 +80,13 @@ func (t *Trojan) plainStream(c net.Conn) (net.Conn, error) {
 // StreamConn implements C.ProxyAdapter
 func (t *Trojan) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	var err error
+
+	if tlsC.HaveGlobalFingerprint() && len(t.option.ClientFingerprint) == 0 {
+		t.option.ClientFingerprint = tlsC.GetGlobalFingerprint()
+	}
+
 	if t.transport != nil {
-		c, err = gun.StreamGunWithConn(c, t.gunTLSConfig, t.gunConfig)
+		c, err = gun.StreamGunWithConn(c, t.gunTLSConfig, t.gunConfig, t.realityConfig)
 	} else {
 		c, err = t.plainStream(c)
 	}
@@ -95,7 +105,7 @@ func (t *Trojan) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error)
 		return c, err
 	}
 	err = t.instance.WriteHeader(c, trojan.CommandTCP, serializesSocksAddr(metadata))
-	return c, err
+	return N.NewExtendedConn(c), err
 }
 
 // DialContext implements C.ProxyAdapter
@@ -211,12 +221,13 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
 
 	tOption := &trojan.Option{
-		Password:       option.Password,
+		Password:          option.Password,
-		ALPN:           option.ALPN,
+		ALPN:              option.ALPN,
-		ServerName:     option.Server,
+		ServerName:        option.Server,
-		SkipCertVerify: option.SkipCertVerify,
+		SkipCertVerify:    option.SkipCertVerify,
-		FlowShow:       option.FlowShow,
+		FlowShow:          option.FlowShow,
-		Fingerprint:    option.Fingerprint,
+		Fingerprint:       option.Fingerprint,
+		ClientFingerprint: option.ClientFingerprint,
 	}
 
 	switch option.Network {
@@ -242,6 +253,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 			addr:   addr,
 			tp:     C.Trojan,
 			udp:    option.UDP,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),
@@ -250,6 +262,13 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 		option:   &option,
 	}
 
+	var err error
+	t.realityConfig, err = option.RealityOpts.Parse()
+	if err != nil {
+		return nil, err
+	}
+	tOption.Reality = t.realityConfig
+
 	if option.Network == "grpc" {
 		dialFn := func(network, addr string) (net.Conn, error) {
 			c, err := dialer.DialContext(context.Background(), "tcp", t.addr, t.Base.DialOptions()...)
@@ -268,7 +287,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 		}
 
 		if len(option.Fingerprint) == 0 {
-			tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+			tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
 		} else {
 			var err error
 			if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint); err != nil {
@@ -276,7 +295,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 			}
 		}
 
-		t.transport = gun.NewHTTP2Client(dialFn, tlsConfig)
+		t.transport = gun.NewHTTP2Client(dialFn, tlsConfig, tOption.ClientFingerprint, t.realityConfig)
 
 		t.gunTLSConfig = tlsConfig
 		t.gunConfig = &gun.Config{

adapter/outbound/tuic.go

@@ -42,15 +42,17 @@ type TuicOption struct {
 	DisableSni            bool     `proxy:"disable-sni,omitempty"`
 	MaxUdpRelayPacketSize int      `proxy:"max-udp-relay-packet-size,omitempty"`
 
-	FastOpen            bool   `proxy:"fast-open,omitempty"`
+	FastOpen             bool   `proxy:"fast-open,omitempty"`
-	MaxOpenStreams      int    `proxy:"max-open-streams,omitempty"`
+	MaxOpenStreams       int    `proxy:"max-open-streams,omitempty"`
-	SkipCertVerify      bool   `proxy:"skip-cert-verify,omitempty"`
+	SkipCertVerify       bool   `proxy:"skip-cert-verify,omitempty"`
-	Fingerprint         string `proxy:"fingerprint,omitempty"`
+	Fingerprint          string `proxy:"fingerprint,omitempty"`
-	CustomCA            string `proxy:"ca,omitempty"`
+	CustomCA             string `proxy:"ca,omitempty"`
-	CustomCAString      string `proxy:"ca-str,omitempty"`
+	CustomCAString       string `proxy:"ca-str,omitempty"`
-	ReceiveWindowConn   int    `proxy:"recv-window-conn,omitempty"`
+	ReceiveWindowConn    int    `proxy:"recv-window-conn,omitempty"`
-	ReceiveWindow       int    `proxy:"recv-window,omitempty"`
+	ReceiveWindow        int    `proxy:"recv-window,omitempty"`
-	DisableMTUDiscovery bool   `proxy:"disable-mtu-discovery,omitempty"`
+	DisableMTUDiscovery  bool   `proxy:"disable-mtu-discovery,omitempty"`
+	MaxDatagramFrameSize int    `proxy:"max-datagram-frame-size,omitempty"`
+	SNI                  string `proxy:"sni,omitempty"`
 }
 
 // DialContext implements C.ProxyAdapter
@@ -106,12 +108,14 @@ func (t *Tuic) dialWithDialer(ctx context.Context, dialer C.Dialer) (pc net.Pack
 func NewTuic(option TuicOption) (*Tuic, error) {
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
 	serverName := option.Server
-
 	tlsConfig := &tls.Config{
 		ServerName:         serverName,
 		InsecureSkipVerify: option.SkipCertVerify,
 		MinVersion:         tls.VersionTLS13,
 	}
+	if option.SNI != "" {
+		tlsConfig.ServerName = option.SNI
+	}
 
 	var bs []byte
 	var err error
@@ -143,7 +147,7 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 			return nil, err
 		}
 	} else {
-		tlsConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+		tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
 	}
 
 	if len(option.ALPN) > 0 {
@@ -165,13 +169,22 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 	}
 
 	if option.MaxUdpRelayPacketSize == 0 {
-		option.MaxUdpRelayPacketSize = 1500
+		option.MaxUdpRelayPacketSize = 1252
 	}
 
 	if option.MaxOpenStreams == 0 {
 		option.MaxOpenStreams = 100
 	}
 
+	if option.MaxDatagramFrameSize == 0 {
+		option.MaxDatagramFrameSize = option.MaxUdpRelayPacketSize + tuic.PacketOverHead
+	}
+
+	if option.MaxDatagramFrameSize > 1400 {
+		option.MaxDatagramFrameSize = 1400
+	}
+	option.MaxUdpRelayPacketSize = option.MaxDatagramFrameSize - tuic.PacketOverHead
+
 	// 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))
@@ -184,6 +197,7 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 		MaxIncomingUniStreams:          quicMaxOpenStreams,
 		KeepAlivePeriod:                time.Duration(option.HeartbeatInterval) * time.Millisecond,
 		DisablePathMTUDiscovery:        option.DisableMTUDiscovery,
+		MaxDatagramFrameSize:           int64(option.MaxDatagramFrameSize),
 		EnableDatagrams:                true,
 	}
 	if option.ReceiveWindowConn == 0 {
@@ -213,12 +227,18 @@ func NewTuic(option TuicOption) (*Tuic, error) {
 			udp:    true,
 			tfo:    option.FastOpen,
 			iface:  option.Interface,
+			rmark:  option.RoutingMark,
 			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))
+
+	// to avoid tuic's "too many open streams", decrease to 0.9x
+	if clientMaxOpenStreams == 100 {
+		clientMaxOpenStreams = clientMaxOpenStreams - int64(math.Ceil(float64(clientMaxOpenStreams)/10.0))
+	}
+
 	if clientMaxOpenStreams < 1 {
 		clientMaxOpenStreams = 1
 	}

adapter/outbound/vless.go

@@ -12,19 +12,20 @@ import (
 	"strconv"
 	"sync"
 
-	vmessSing "github.com/sagernet/sing-vmess"
-	"github.com/sagernet/sing-vmess/packetaddr"
-	M "github.com/sagernet/sing/common/metadata"
-
 	"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/log"
 	"github.com/Dreamacro/clash/transport/gun"
 	"github.com/Dreamacro/clash/transport/socks5"
 	"github.com/Dreamacro/clash/transport/vless"
 	"github.com/Dreamacro/clash/transport/vmess"
+
+	vmessSing "github.com/sagernet/sing-vmess"
+	"github.com/sagernet/sing-vmess/packetaddr"
+	M "github.com/sagernet/sing/common/metadata"
 )
 
 const (
@@ -41,38 +42,46 @@ type Vless struct {
 	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
 	transport    *gun.TransportWrap
+
+	realityConfig *tlsC.RealityConfig
 }
 
 type VlessOption struct {
 	BasicOption
-	Name           string            `proxy:"name"`
+	Name              string            `proxy:"name"`
-	Server         string            `proxy:"server"`
+	Server            string            `proxy:"server"`
-	Port           int               `proxy:"port"`
+	Port              int               `proxy:"port"`
-	UUID           string            `proxy:"uuid"`
+	UUID              string            `proxy:"uuid"`
-	Flow           string            `proxy:"flow,omitempty"`
+	Flow              string            `proxy:"flow,omitempty"`
-	FlowShow       bool              `proxy:"flow-show,omitempty"`
+	FlowShow          bool              `proxy:"flow-show,omitempty"`
-	TLS            bool              `proxy:"tls,omitempty"`
+	TLS               bool              `proxy:"tls,omitempty"`
-	UDP            bool              `proxy:"udp,omitempty"`
+	UDP               bool              `proxy:"udp,omitempty"`
-	PacketAddr     bool              `proxy:"packet-addr,omitempty"`
+	PacketAddr        bool              `proxy:"packet-addr,omitempty"`
-	XUDP           bool              `proxy:"xudp,omitempty"`
+	XUDP              bool              `proxy:"xudp,omitempty"`
-	PacketEncoding string            `proxy:"packet-encoding,omitempty"`
+	PacketEncoding    string            `proxy:"packet-encoding,omitempty"`
-	Network        string            `proxy:"network,omitempty"`
+	Network           string            `proxy:"network,omitempty"`
-	HTTPOpts       HTTPOptions       `proxy:"http-opts,omitempty"`
+	RealityOpts       RealityOptions    `proxy:"reality-opts,omitempty"`
-	HTTP2Opts      HTTP2Options      `proxy:"h2-opts,omitempty"`
+	HTTPOpts          HTTPOptions       `proxy:"http-opts,omitempty"`
-	GrpcOpts       GrpcOptions       `proxy:"grpc-opts,omitempty"`
+	HTTP2Opts         HTTP2Options      `proxy:"h2-opts,omitempty"`
-	WSOpts         WSOptions         `proxy:"ws-opts,omitempty"`
+	GrpcOpts          GrpcOptions       `proxy:"grpc-opts,omitempty"`
-	WSPath         string            `proxy:"ws-path,omitempty"`
+	WSOpts            WSOptions         `proxy:"ws-opts,omitempty"`
-	WSHeaders      map[string]string `proxy:"ws-headers,omitempty"`
+	WSPath            string            `proxy:"ws-path,omitempty"`
-	SkipCertVerify bool              `proxy:"skip-cert-verify,omitempty"`
+	WSHeaders         map[string]string `proxy:"ws-headers,omitempty"`
-	Fingerprint    string            `proxy:"fingerprint,omitempty"`
+	SkipCertVerify    bool              `proxy:"skip-cert-verify,omitempty"`
-	ServerName     string            `proxy:"servername,omitempty"`
+	Fingerprint       string            `proxy:"fingerprint,omitempty"`
+	ServerName        string            `proxy:"servername,omitempty"`
+	ClientFingerprint string            `proxy:"client-fingerprint,omitempty"`
 }
 
 func (v *Vless) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	var err error
+
+	if tlsC.HaveGlobalFingerprint() && len(v.option.ClientFingerprint) == 0 {
+		v.option.ClientFingerprint = tlsC.GetGlobalFingerprint()
+	}
+
 	switch v.option.Network {
 	case "ws":
-
 		host, port, _ := net.SplitHostPort(v.addr)
 		wsOpts := &vmess.WebsocketConfig{
 			Host:                host,
@@ -80,6 +89,7 @@ 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,
+			ClientFingerprint:   v.option.ClientFingerprint,
 			Headers:             http.Header{},
 		}
 
@@ -98,9 +108,12 @@ func (v *Vless) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 			}
 
 			if len(v.option.Fingerprint) == 0 {
-				wsOpts.TLSConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+				wsOpts.TLSConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
 			} else {
 				wsOpts.TLSConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint)
+				if err != nil {
+					return nil, err
+				}
 			}
 
 			if v.option.ServerName != "" {
@@ -144,7 +157,7 @@ func (v *Vless) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 
 		c, err = vmess.StreamH2Conn(c, h2Opts)
 	case "grpc":
-		c, err = gun.StreamGunWithConn(c, v.gunTLSConfig, v.gunConfig)
+		c, err = gun.StreamGunWithConn(c, v.gunTLSConfig, v.gunConfig, v.realityConfig)
 	default:
 		// default tcp network
 		// handle TLS And XTLS
@@ -161,7 +174,7 @@ func (v *Vless) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 func (v *Vless) streamTLSOrXTLSConn(conn net.Conn, isH2 bool) (net.Conn, error) {
 	host, _, _ := net.SplitHostPort(v.addr)
 
-	if v.isXTLSEnabled() && !isH2 {
+	if v.isLegacyXTLSEnabled() && !isH2 {
 		xtlsOpts := vless.XTLSConfig{
 			Host:           host,
 			SkipCertVerify: v.option.SkipCertVerify,
@@ -176,9 +189,11 @@ func (v *Vless) streamTLSOrXTLSConn(conn net.Conn, isH2 bool) (net.Conn, error)
 
 	} else if v.option.TLS {
 		tlsOpts := vmess.TLSConfig{
-			Host:           host,
+			Host:              host,
-			SkipCertVerify: v.option.SkipCertVerify,
+			SkipCertVerify:    v.option.SkipCertVerify,
-			FingerPrint:    v.option.Fingerprint,
+			FingerPrint:       v.option.Fingerprint,
+			ClientFingerprint: v.option.ClientFingerprint,
+			Reality:           v.realityConfig,
 		}
 
 		if isH2 {
@@ -195,8 +210,8 @@ func (v *Vless) streamTLSOrXTLSConn(conn net.Conn, isH2 bool) (net.Conn, error)
 	return conn, nil
 }
 
-func (v *Vless) isXTLSEnabled() bool {
+func (v *Vless) isLegacyXTLSEnabled() bool {
-	return v.client.Addons != nil
+	return v.client.Addons != nil && v.client.Addons.Flow != vless.XRV
 }
 
 // DialContext implements C.ProxyAdapter
@@ -233,12 +248,15 @@ func (v *Vless) DialContextWithDialer(ctx context.Context, dialer C.Dialer, meta
 	}(c)
 
 	c, err = v.StreamConn(c, metadata)
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
+	}
 	return NewConn(c, v), err
 }
 
 // ListenPacketContext implements C.ProxyAdapter
 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
+	// vless use stream-oriented udp with a special address, so we need a net.UDPAddr
 	if !metadata.Resolved() {
 		ip, err := resolver.ResolveIP(ctx, metadata.Host)
 		if err != nil {
@@ -279,7 +297,7 @@ func (v *Vless) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 
 // 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
+	// vless use stream-oriented udp with a special address, so we need a net.UDPAddr
 	if !metadata.Resolved() {
 		ip, err := resolver.ResolveIP(ctx, metadata.Host)
 		if err != nil {
@@ -465,6 +483,9 @@ func NewVless(option VlessOption) (*Vless, error) {
 	if option.Network != "ws" && len(option.Flow) >= 16 {
 		option.Flow = option.Flow[:16]
 		switch option.Flow {
+		case vless.XRV:
+			log.Warnln("To use %s, ensure your server is upgrade to Xray-core v1.8.0+", vless.XRV)
+			fallthrough
 		case vless.XRO, vless.XRD, vless.XRS:
 			addons = &vless.Addons{
 				Flow: option.Flow,
@@ -474,6 +495,16 @@ func NewVless(option VlessOption) (*Vless, error) {
 		}
 	}
 
+	switch option.PacketEncoding {
+	case "packetaddr", "packet":
+		option.PacketAddr = true
+		option.XUDP = false
+	default: // https://github.com/XTLS/Xray-core/pull/1567#issuecomment-1407305458
+		if !option.PacketAddr {
+			option.XUDP = true
+		}
+	}
+
 	client, err := vless.NewClient(option.UUID, addons, option.FlowShow)
 	if err != nil {
 		return nil, err
@@ -485,6 +516,8 @@ func NewVless(option VlessOption) (*Vless, error) {
 			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
 			tp:     C.Vless,
 			udp:    option.UDP,
+			xudp:   option.XUDP,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),
@@ -493,14 +526,9 @@ func NewVless(option VlessOption) (*Vless, error) {
 		option: &option,
 	}
 
-	switch option.PacketEncoding {
+	v.realityConfig, err = v.option.RealityOpts.Parse()
-	case "packetaddr", "packet":
+	if err != nil {
-		option.PacketAddr = true
+		return nil, err
-	case "xudp":
-		option.XUDP = true
-	}
-	if option.XUDP {
-		option.PacketAddr = false
 	}
 
 	switch option.Network {
@@ -519,10 +547,11 @@ func NewVless(option VlessOption) (*Vless, error) {
 		}
 
 		gunConfig := &gun.Config{
-			ServiceName: v.option.GrpcOpts.GrpcServiceName,
+			ServiceName:       v.option.GrpcOpts.GrpcServiceName,
-			Host:        v.option.ServerName,
+			Host:              v.option.ServerName,
+			ClientFingerprint: v.option.ClientFingerprint,
 		}
-		tlsConfig := tlsC.GetGlobalFingerprintTLCConfig(&tls.Config{
+		tlsConfig := tlsC.GetGlobalTLSConfig(&tls.Config{
 			InsecureSkipVerify: v.option.SkipCertVerify,
 			ServerName:         v.option.ServerName,
 		})
@@ -535,7 +564,8 @@ func NewVless(option VlessOption) (*Vless, error) {
 
 		v.gunTLSConfig = tlsConfig
 		v.gunConfig = gunConfig
-		v.transport = gun.NewHTTP2Client(dialFn, tlsConfig)
+
+		v.transport = gun.NewHTTP2Client(dialFn, tlsConfig, v.option.ClientFingerprint, v.realityConfig)
 	}
 
 	return v, nil

adapter/outbound/vmess.go

@@ -5,20 +5,21 @@ import (
 	"crypto/tls"
 	"errors"
 	"fmt"
-	tlsC "github.com/Dreamacro/clash/component/tls"
-	vmess "github.com/sagernet/sing-vmess"
 	"net"
 	"net/http"
 	"strconv"
 	"strings"
 	"sync"
 
+	N "github.com/Dreamacro/clash/common/net"
 	"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"
 	clashVMess "github.com/Dreamacro/clash/transport/vmess"
 
+	vmess "github.com/sagernet/sing-vmess"
 	"github.com/sagernet/sing-vmess/packetaddr"
 	M "github.com/sagernet/sing/common/metadata"
 )
@@ -34,31 +35,35 @@ type Vmess struct {
 	gunTLSConfig *tls.Config
 	gunConfig    *gun.Config
 	transport    *gun.TransportWrap
+
+	realityConfig *tlsC.RealityConfig
 }
 
 type VmessOption struct {
 	BasicOption
-	Name                string       `proxy:"name"`
+	Name                string         `proxy:"name"`
-	Server              string       `proxy:"server"`
+	Server              string         `proxy:"server"`
-	Port                int          `proxy:"port"`
+	Port                int            `proxy:"port"`
-	UUID                string       `proxy:"uuid"`
+	UUID                string         `proxy:"uuid"`
-	AlterID             int          `proxy:"alterId"`
+	AlterID             int            `proxy:"alterId"`
-	Cipher              string       `proxy:"cipher"`
+	Cipher              string         `proxy:"cipher"`
-	UDP                 bool         `proxy:"udp,omitempty"`
+	UDP                 bool           `proxy:"udp,omitempty"`
-	Network             string       `proxy:"network,omitempty"`
+	Network             string         `proxy:"network,omitempty"`
-	TLS                 bool         `proxy:"tls,omitempty"`
+	TLS                 bool           `proxy:"tls,omitempty"`
-	SkipCertVerify      bool         `proxy:"skip-cert-verify,omitempty"`
+	SkipCertVerify      bool           `proxy:"skip-cert-verify,omitempty"`
-	Fingerprint         string       `proxy:"fingerprint,omitempty"`
+	Fingerprint         string         `proxy:"fingerprint,omitempty"`
-	ServerName          string       `proxy:"servername,omitempty"`
+	ServerName          string         `proxy:"servername,omitempty"`
-	HTTPOpts            HTTPOptions  `proxy:"http-opts,omitempty"`
+	RealityOpts         RealityOptions `proxy:"reality-opts,omitempty"`
-	HTTP2Opts           HTTP2Options `proxy:"h2-opts,omitempty"`
+	HTTPOpts            HTTPOptions    `proxy:"http-opts,omitempty"`
-	GrpcOpts            GrpcOptions  `proxy:"grpc-opts,omitempty"`
+	HTTP2Opts           HTTP2Options   `proxy:"h2-opts,omitempty"`
-	WSOpts              WSOptions    `proxy:"ws-opts,omitempty"`
+	GrpcOpts            GrpcOptions    `proxy:"grpc-opts,omitempty"`
-	PacketAddr          bool         `proxy:"packet-addr,omitempty"`
+	WSOpts              WSOptions      `proxy:"ws-opts,omitempty"`
-	XUDP                bool         `proxy:"xudp,omitempty"`
+	PacketAddr          bool           `proxy:"packet-addr,omitempty"`
-	PacketEncoding      string       `proxy:"packet-encoding,omitempty"`
+	XUDP                bool           `proxy:"xudp,omitempty"`
-	GlobalPadding       bool         `proxy:"global-padding,omitempty"`
+	PacketEncoding      string         `proxy:"packet-encoding,omitempty"`
-	AuthenticatedLength bool         `proxy:"authenticated-length,omitempty"`
+	GlobalPadding       bool           `proxy:"global-padding,omitempty"`
+	AuthenticatedLength bool           `proxy:"authenticated-length,omitempty"`
+	ClientFingerprint   string         `proxy:"client-fingerprint,omitempty"`
 }
 
 type HTTPOptions struct {
@@ -86,9 +91,13 @@ type WSOptions struct {
 // StreamConn implements C.ProxyAdapter
 func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	var err error
+
+	if tlsC.HaveGlobalFingerprint() && (len(v.option.ClientFingerprint) == 0) {
+		v.option.ClientFingerprint = tlsC.GetGlobalFingerprint()
+	}
+
 	switch v.option.Network {
 	case "ws":
-
 		host, port, _ := net.SplitHostPort(v.addr)
 		wsOpts := &clashVMess.WebsocketConfig{
 			Host:                host,
@@ -96,6 +105,7 @@ func (v *Vmess) 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,
+			ClientFingerprint:   v.option.ClientFingerprint,
 			Headers:             http.Header{},
 		}
 
@@ -114,7 +124,7 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 			}
 
 			if len(v.option.Fingerprint) == 0 {
-				wsOpts.TLSConfig = tlsC.GetGlobalFingerprintTLCConfig(tlsConfig)
+				wsOpts.TLSConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
 			} else {
 				if wsOpts.TLSConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint); err != nil {
 					return nil, err
@@ -133,14 +143,15 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 		if v.option.TLS {
 			host, _, _ := net.SplitHostPort(v.addr)
 			tlsOpts := &clashVMess.TLSConfig{
-				Host:           host,
+				Host:              host,
-				SkipCertVerify: v.option.SkipCertVerify,
+				SkipCertVerify:    v.option.SkipCertVerify,
+				ClientFingerprint: v.option.ClientFingerprint,
+				Reality:           v.realityConfig,
 			}
 
 			if v.option.ServerName != "" {
 				tlsOpts.Host = v.option.ServerName
 			}
-
 			c, err = clashVMess.StreamTLSConn(c, tlsOpts)
 			if err != nil {
 				return nil, err
@@ -159,9 +170,11 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	case "h2":
 		host, _, _ := net.SplitHostPort(v.addr)
 		tlsOpts := clashVMess.TLSConfig{
-			Host:           host,
+			Host:              host,
-			SkipCertVerify: v.option.SkipCertVerify,
+			SkipCertVerify:    v.option.SkipCertVerify,
-			NextProtos:     []string{"h2"},
+			NextProtos:        []string{"h2"},
+			ClientFingerprint: v.option.ClientFingerprint,
+			Reality:           v.realityConfig,
 		}
 
 		if v.option.ServerName != "" {
@@ -180,14 +193,16 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 
 		c, err = clashVMess.StreamH2Conn(c, h2Opts)
 	case "grpc":
-		c, err = gun.StreamGunWithConn(c, v.gunTLSConfig, v.gunConfig)
+		c, err = gun.StreamGunWithConn(c, v.gunTLSConfig, v.gunConfig, v.realityConfig)
 	default:
 		// handle TLS
 		if v.option.TLS {
 			host, _, _ := net.SplitHostPort(v.addr)
 			tlsOpts := &clashVMess.TLSConfig{
-				Host:           host,
+				Host:              host,
-				SkipCertVerify: v.option.SkipCertVerify,
+				SkipCertVerify:    v.option.SkipCertVerify,
+				ClientFingerprint: v.option.ClientFingerprint,
+				Reality:           v.realityConfig,
 			}
 
 			if v.option.ServerName != "" {
@@ -203,12 +218,24 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	}
 	if metadata.NetWork == C.UDP {
 		if v.option.XUDP {
-			return v.client.DialXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			if N.NeedHandshake(c) {
+				return v.client.DialEarlyXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress())), nil
+			} else {
+				return v.client.DialXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			}
 		} else {
-			return v.client.DialPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			if N.NeedHandshake(c) {
+				return v.client.DialEarlyPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress())), nil
+			} else {
+				return v.client.DialPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			}
 		}
 	} else {
-		return v.client.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+		if N.NeedHandshake(c) {
+			return v.client.DialEarlyConn(c, M.ParseSocksaddr(metadata.RemoteAddress())), nil
+		} else {
+			return v.client.DialConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+		}
 	}
 }
 
@@ -251,7 +278,7 @@ func (v *Vmess) DialContextWithDialer(ctx context.Context, dialer C.Dialer, meta
 
 // ListenPacketContext implements C.ProxyAdapter
 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
+	// vmess use stream-oriented udp with a special address, so we need a net.UDPAddr
 	if !metadata.Resolved() {
 		ip, err := resolver.ResolveIP(ctx, metadata.Host)
 		if err != nil {
@@ -279,9 +306,17 @@ func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 		}(c)
 
 		if v.option.XUDP {
-			c, err = v.client.DialXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			if N.NeedHandshake(c) {
+				c = v.client.DialEarlyXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			} else {
+				c, err = v.client.DialXUDPPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			}
 		} else {
-			c, err = v.client.DialPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			if N.NeedHandshake(c) {
+				c = v.client.DialEarlyPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			} else {
+				c, err = v.client.DialPacketConn(c, M.ParseSocksaddr(metadata.RemoteAddress()))
+			}
 		}
 
 		if err != nil {
@@ -294,7 +329,7 @@ func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 
 // 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
+	// vmess use stream-oriented udp with a special address, so we need a net.UDPAddr
 	if !metadata.Resolved() {
 		ip, err := resolver.ResolveIP(ctx, metadata.Host)
 		if err != nil {
@@ -366,7 +401,7 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 	switch option.Network {
 	case "h2", "grpc":
 		if !option.TLS {
-			return nil, fmt.Errorf("TLS must be true with h2/grpc network")
+			option.TLS = true
 		}
 	}
 
@@ -376,6 +411,8 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 			addr:   net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
 			tp:     C.Vmess,
 			udp:    option.UDP,
+			xudp:   option.XUDP,
+			tfo:    option.TFO,
 			iface:  option.Interface,
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),
@@ -400,8 +437,9 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 		}
 
 		gunConfig := &gun.Config{
-			ServiceName: v.option.GrpcOpts.GrpcServiceName,
+			ServiceName:       v.option.GrpcOpts.GrpcServiceName,
-			Host:        v.option.ServerName,
+			Host:              v.option.ServerName,
+			ClientFingerprint: v.option.ClientFingerprint,
 		}
 		tlsConfig := &tls.Config{
 			InsecureSkipVerify: v.option.SkipCertVerify,
@@ -416,8 +454,15 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 
 		v.gunTLSConfig = tlsConfig
 		v.gunConfig = gunConfig
-		v.transport = gun.NewHTTP2Client(dialFn, tlsConfig)
+
+		v.transport = gun.NewHTTP2Client(dialFn, tlsConfig, v.option.ClientFingerprint, v.realityConfig)
 	}
+
+	v.realityConfig, err = v.option.RealityOpts.Parse()
+	if err != nil {
+		return nil, err
+	}
+
 	return v, nil
 }
 

adapter/outbound/wireguard.go

@@ -17,7 +17,7 @@ import (
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
-	"github.com/Dreamacro/clash/listener/sing"
+	"github.com/Dreamacro/clash/log"
 
 	wireguard "github.com/metacubex/sing-wireguard"
 
@@ -34,7 +34,7 @@ type WireGuard struct {
 	bind      *wireguard.ClientBind
 	device    *device.Device
 	tunDevice wireguard.Device
-	dialer    *wgDialer
+	dialer    *wgSingDialer
 	startOnce sync.Once
 	startErr  error
 }
@@ -56,16 +56,28 @@ type WireGuardOption struct {
 	PersistentKeepalive int     `proxy:"persistent-keepalive,omitempty"`
 }
 
-type wgDialer struct {
+type wgSingDialer struct {
-	options []dialer.Option
+	dialer dialer.Dialer
 }
 
-func (d *wgDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+var _ N.Dialer = &wgSingDialer{}
-	return dialer.DialContext(ctx, network, destination.String(), d.options...)
+
+func (d *wgSingDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+	return d.dialer.DialContext(ctx, network, destination.String())
 }
 
-func (d *wgDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+func (d *wgSingDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	return dialer.ListenPacket(ctx, dialer.ParseNetwork("udp", destination.Addr), "", d.options...)
+	return d.dialer.ListenPacket(ctx, "udp", "", destination.AddrPort())
+}
+
+type wgNetDialer struct {
+	tunDevice wireguard.Device
+}
+
+var _ dialer.NetDialer = &wgNetDialer{}
+
+func (d wgNetDialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
+	return d.tunDevice.DialContext(ctx, network, M.ParseSocksaddr(address).Unwrap())
 }
 
 func NewWireGuard(option WireGuardOption) (*WireGuard, error) {
@@ -79,7 +91,7 @@ func NewWireGuard(option WireGuardOption) (*WireGuard, error) {
 			rmark:  option.RoutingMark,
 			prefer: C.NewDNSPrefer(option.IPVersion),
 		},
-		dialer: &wgDialer{},
+		dialer: &wgSingDialer{dialer: dialer.NewDialer()},
 	}
 	runtime.SetFinalizer(outbound, closeWireGuard)
 
@@ -174,14 +186,14 @@ func NewWireGuard(option WireGuardOption) (*WireGuard, error) {
 	}
 	outbound.device = device.NewDevice(outbound.tunDevice, outbound.bind, &device.Logger{
 		Verbosef: func(format string, args ...interface{}) {
-			sing.Logger.Debug(fmt.Sprintf(strings.ToLower(format), args...))
+			log.SingLogger.Debug(fmt.Sprintf(strings.ToLower(format), args...))
 		},
 		Errorf: func(format string, args ...interface{}) {
-			sing.Logger.Error(fmt.Sprintf(strings.ToLower(format), args...))
+			log.SingLogger.Error(fmt.Sprintf(strings.ToLower(format), args...))
 		},
 	}, option.Workers)
 	if debug.Enabled {
-		sing.Logger.Trace("created wireguard ipc conf: \n", ipcConf)
+		log.SingLogger.Trace("created wireguard ipc conf: \n", ipcConf)
 	}
 	err = outbound.device.IpcSet(ipcConf)
 	if err != nil {
@@ -199,7 +211,8 @@ func closeWireGuard(w *WireGuard) {
 }
 
 func (w *WireGuard) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
-	w.dialer.options = opts
+	options := w.Base.DialOptions(opts...)
+	w.dialer.dialer = dialer.NewDialer(options...)
 	var conn net.Conn
 	w.startOnce.Do(func() {
 		w.startErr = w.tunDevice.Start()
@@ -208,15 +221,12 @@ func (w *WireGuard) DialContext(ctx context.Context, metadata *C.Metadata, opts
 		return nil, w.startErr
 	}
 	if !metadata.Resolved() {
-		var addrs []netip.Addr
+		options = append(options, dialer.WithResolver(resolver.DefaultResolver))
-		addrs, err = resolver.LookupIP(ctx, metadata.Host)
+		options = append(options, dialer.WithNetDialer(wgNetDialer{tunDevice: w.tunDevice}))
-		if err != nil {
+		conn, err = dialer.NewDialer(options...).DialContext(ctx, "tcp", metadata.RemoteAddress())
-			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)))
+		conn, err = w.tunDevice.DialContext(ctx, "tcp", M.SocksaddrFrom(metadata.DstIP, uint16(port)).Unwrap())
 	}
 	if err != nil {
 		return nil, err
@@ -228,7 +238,8 @@ func (w *WireGuard) DialContext(ctx context.Context, metadata *C.Metadata, opts
 }
 
 func (w *WireGuard) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
-	w.dialer.options = opts
+	options := w.Base.DialOptions(opts...)
+	w.dialer.dialer = dialer.NewDialer(options...)
 	var pc net.PacketConn
 	w.startOnce.Do(func() {
 		w.startErr = w.tunDevice.Start()
@@ -247,7 +258,7 @@ func (w *WireGuard) ListenPacketContext(ctx context.Context, metadata *C.Metadat
 		metadata.DstIP = ip
 	}
 	port, _ := strconv.Atoi(metadata.DstPort)
-	pc, err = w.tunDevice.ListenPacket(ctx, M.SocksaddrFrom(metadata.DstIP, uint16(port)))
+	pc, err = w.tunDevice.ListenPacket(ctx, M.SocksaddrFrom(metadata.DstIP, uint16(port)).Unwrap())
 	if err != nil {
 		return nil, err
 	}

adapter/outboundgroup/fallback.go

@@ -7,6 +7,8 @@ import (
 	"time"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
+	"github.com/Dreamacro/clash/common/callback"
+	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"
@@ -30,11 +32,23 @@ func (f *Fallback) DialContext(ctx context.Context, metadata *C.Metadata, opts .
 	c, err := proxy.DialContext(ctx, metadata, f.Base.DialOptions(opts...)...)
 	if err == nil {
 		c.AppendToChains(f)
-		f.onDialSuccess()
 	} else {
 		f.onDialFailed(proxy.Type(), err)
 	}
 
+	if N.NeedHandshake(c) {
+		c = &callback.FirstWriteCallBackConn{
+			Conn: c,
+			Callback: func(err error) {
+				if err == nil {
+					f.onDialSuccess()
+				} else {
+					f.onDialFailed(proxy.Type(), err)
+				}
+			},
+		}
+	}
+
 	return c, err
 }
 

adapter/outboundgroup/groupbase.go

@@ -165,6 +165,7 @@ func (gb *GroupBase) GetProxies(touch bool) []C.Proxy {
 			for i := range gb.excludeTypeArray {
 				if strings.EqualFold(mType, gb.excludeTypeArray[i]) {
 					flag = true
+					break
 				}
 
 			}

adapter/outboundgroup/loadbalance.go

@@ -6,11 +6,14 @@ import (
 	"errors"
 	"fmt"
 	"net"
+	"sync"
 	"time"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/common/cache"
+	"github.com/Dreamacro/clash/common/callback"
 	"github.com/Dreamacro/clash/common/murmur3"
+	N "github.com/Dreamacro/clash/common/net"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
@@ -18,7 +21,7 @@ import (
 	"golang.org/x/net/publicsuffix"
 )
 
-type strategyFn = func(proxies []C.Proxy, metadata *C.Metadata) C.Proxy
+type strategyFn = func(proxies []C.Proxy, metadata *C.Metadata, touch bool) C.Proxy
 
 type LoadBalance struct {
 	*GroupBase
@@ -83,17 +86,27 @@ func jumpHash(key uint64, buckets int32) int32 {
 // DialContext implements C.ProxyAdapter
 func (lb *LoadBalance) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (c C.Conn, err error) {
 	proxy := lb.Unwrap(metadata, true)
-
-	defer func() {
-		if err == nil {
-			c.AppendToChains(lb)
-			lb.onDialSuccess()
-		} else {
-			lb.onDialFailed(proxy.Type(), err)
-		}
-	}()
-
 	c, err = proxy.DialContext(ctx, metadata, lb.Base.DialOptions(opts...)...)
+
+	if err == nil {
+		c.AppendToChains(lb)
+	} else {
+		lb.onDialFailed(proxy.Type(), err)
+	}
+
+	if N.NeedHandshake(c) {
+		c = &callback.FirstWriteCallBackConn{
+			Conn: c,
+			Callback: func(err error) {
+				if err == nil {
+					lb.onDialSuccess()
+				} else {
+					lb.onDialFailed(proxy.Type(), err)
+				}
+			},
+		}
+	}
+
 	return
 }
 
@@ -116,12 +129,25 @@ func (lb *LoadBalance) SupportUDP() bool {
 
 func strategyRoundRobin() strategyFn {
 	idx := 0
-	return func(proxies []C.Proxy, metadata *C.Metadata) C.Proxy {
+	idxMutex := sync.Mutex{}
+	return func(proxies []C.Proxy, metadata *C.Metadata, touch bool) C.Proxy {
+		idxMutex.Lock()
+		defer idxMutex.Unlock()
+
+		i := 0
 		length := len(proxies)
-		for i := 0; i < length; i++ {
+
-			idx = (idx + 1) % length
+		if touch {
-			proxy := proxies[idx]
+			defer func() {
+				idx = (idx + i) % length
+			}()
+		}
+
+		for ; i < length; i++ {
+			id := (idx + i) % length
+			proxy := proxies[id]
 			if proxy.Alive() {
+				i++
 				return proxy
 			}
 		}
@@ -132,7 +158,7 @@ func strategyRoundRobin() strategyFn {
 
 func strategyConsistentHashing() strategyFn {
 	maxRetry := 5
-	return func(proxies []C.Proxy, metadata *C.Metadata) C.Proxy {
+	return func(proxies []C.Proxy, metadata *C.Metadata, touch bool) C.Proxy {
 		key := uint64(murmur3.Sum32([]byte(getKey(metadata))))
 		buckets := int32(len(proxies))
 		for i := 0; i < maxRetry; i, key = i+1, key+1 {
@@ -160,7 +186,7 @@ func strategyStickySessions() strategyFn {
 	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 {
+	return func(proxies []C.Proxy, metadata *C.Metadata, touch bool) C.Proxy {
 		key := uint64(murmur3.Sum32([]byte(getKeyWithSrcAndDst(metadata))))
 		length := len(proxies)
 		idx, has := lruCache.Get(key)
@@ -192,7 +218,7 @@ func strategyStickySessions() strategyFn {
 // Unwrap implements C.ProxyAdapter
 func (lb *LoadBalance) Unwrap(metadata *C.Metadata, touch bool) C.Proxy {
 	proxies := lb.GetProxies(touch)
-	return lb.strategyFn(proxies, metadata)
+	return lb.strategyFn(proxies, metadata, touch)
 }
 
 // MarshalJSON implements C.ProxyAdapter

adapter/outboundgroup/parser.go

@@ -78,7 +78,7 @@ func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, provide
 			providersMap[groupName] = pd
 		} else {
 			if groupOption.URL == "" {
-				groupOption.URL = "http://www.gstatic.com/generate_204"
+				groupOption.URL = "https://cp.cloudflare.com/generate_204"
 			}
 
 			if groupOption.Interval == 0 {

adapter/outboundgroup/relay.go

@@ -176,7 +176,7 @@ func (r *Relay) proxies(metadata *C.Metadata, touch bool) ([]C.Proxy, []C.Proxy)
 }
 
 func (r *Relay) Addr() string {
-	proxies, _ := r.proxies(nil, true)
+	proxies, _ := r.proxies(nil, false)
 	return proxies[len(proxies)-1].Addr()
 }
 

adapter/outboundgroup/urltest.go

@@ -6,6 +6,8 @@ import (
 	"time"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
+	"github.com/Dreamacro/clash/common/callback"
+	N "github.com/Dreamacro/clash/common/net"
 	"github.com/Dreamacro/clash/common/singledo"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
@@ -38,10 +40,23 @@ func (u *URLTest) DialContext(ctx context.Context, metadata *C.Metadata, opts ..
 	c, err = proxy.DialContext(ctx, metadata, u.Base.DialOptions(opts...)...)
 	if err == nil {
 		c.AppendToChains(u)
-		u.onDialSuccess()
 	} else {
 		u.onDialFailed(proxy.Type(), err)
 	}
+
+	if N.NeedHandshake(c) {
+		c = &callback.FirstWriteCallBackConn{
+			Conn: c,
+			Callback: func(err error) {
+				if err == nil {
+					u.onDialSuccess()
+				} else {
+					u.onDialFailed(proxy.Type(), err)
+				}
+			},
+		}
+	}
+
 	return c, err
 }
 

adapter/parser.go

@@ -2,6 +2,9 @@ package adapter
 
 import (
 	"fmt"
+
+	tlsC "github.com/Dreamacro/clash/component/tls"
+
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/common/structure"
 	C "github.com/Dreamacro/clash/constant"
@@ -20,7 +23,7 @@ func ParseProxy(mapping map[string]any) (C.Proxy, error) {
 	)
 	switch proxyType {
 	case "ss":
-		ssOption := &outbound.ShadowSocksOption{}
+		ssOption := &outbound.ShadowSocksOption{ClientFingerprint: tlsC.GetGlobalFingerprint()}
 		err = decoder.Decode(mapping, ssOption)
 		if err != nil {
 			break
@@ -53,14 +56,16 @@ func ParseProxy(mapping map[string]any) (C.Proxy, error) {
 				Method: "GET",
 				Path:   []string{"/"},
 			},
+			ClientFingerprint: tlsC.GetGlobalFingerprint(),
 		}
+
 		err = decoder.Decode(mapping, vmessOption)
 		if err != nil {
 			break
 		}
 		proxy, err = outbound.NewVmess(*vmessOption)
 	case "vless":
-		vlessOption := &outbound.VlessOption{}
+		vlessOption := &outbound.VlessOption{ClientFingerprint: tlsC.GetGlobalFingerprint()}
 		err = decoder.Decode(mapping, vlessOption)
 		if err != nil {
 			break
@@ -74,7 +79,7 @@ func ParseProxy(mapping map[string]any) (C.Proxy, error) {
 		}
 		proxy, err = outbound.NewSnell(*snellOption)
 	case "trojan":
-		trojanOption := &outbound.TrojanOption{}
+		trojanOption := &outbound.TrojanOption{ClientFingerprint: tlsC.GetGlobalFingerprint()}
 		err = decoder.Decode(mapping, trojanOption)
 		if err != nil {
 			break

adapter/provider/healthcheck.go

@@ -6,10 +6,10 @@ import (
 
 	"github.com/Dreamacro/clash/common/batch"
 	"github.com/Dreamacro/clash/common/singledo"
+	"github.com/Dreamacro/clash/common/utils"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/log"
 
-	"github.com/gofrs/uuid"
 	"go.uber.org/atomic"
 )
 
@@ -34,16 +34,15 @@ type HealthCheck struct {
 
 func (hc *HealthCheck) process() {
 	ticker := time.NewTicker(time.Duration(hc.interval) * time.Second)
-
-	go func() {
-		time.Sleep(30 * time.Second)
-		hc.lazyCheck()
-	}()
-
 	for {
 		select {
 		case <-ticker.C:
-			hc.lazyCheck()
+			now := time.Now().Unix()
+			if !hc.lazy || now-hc.lastTouch.Load() < int64(hc.interval) {
+				hc.check()
+			} else {
+				log.Debugln("Skip once health check because we are lazy")
+			}
 		case <-hc.done:
 			ticker.Stop()
 			return
@@ -51,17 +50,6 @@ 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
 }
@@ -76,10 +64,7 @@ func (hc *HealthCheck) touch() {
 
 func (hc *HealthCheck) check() {
 	_, _, _ = hc.singleDo.Do(func() (struct{}, error) {
-		id := ""
+		id := utils.NewUUIDV4().String()
-		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 {

adapter/provider/provider.go

@@ -80,6 +80,7 @@ func (pp *proxySetProvider) Initial() error {
 		return err
 	}
 	pp.OnUpdate(elm)
+	pp.getSubscriptionInfo()
 	return nil
 }
 
@@ -99,7 +100,7 @@ func (pp *proxySetProvider) setProxies(proxies []C.Proxy) {
 	pp.proxies = proxies
 	pp.healthCheck.setProxy(proxies)
 	if pp.healthCheck.auto() {
-		defer func() { go pp.healthCheck.lazyCheck() }()
+		go pp.healthCheck.check()
 	}
 }
 
@@ -172,8 +173,6 @@ func NewProxySetProvider(name string, interval time.Duration, filter string, exc
 
 	fetcher := resource.NewFetcher[[]C.Proxy](name, interval, vehicle, proxiesParseAndFilter(filter, excludeFilter, excludeTypeArray, filterRegs, excludeFilterReg), proxiesOnUpdate(pd))
 	pd.Fetcher = fetcher
-
-	pd.getSubscriptionInfo()
 	wrapper := &ProxySetProvider{pd}
 	runtime.SetFinalizer(wrapper, stopProxyProvider)
 	return wrapper, nil
@@ -301,6 +300,7 @@ func proxiesParseAndFilter(filter string, excludeFilter string, excludeTypeArray
 					for i := range excludeTypeArray {
 						if strings.EqualFold(pType, excludeTypeArray[i]) {
 							flag = true
+							break
 						}
 
 					}

common/buf/sing.go

@@ -0,0 +1,25 @@
+package buf
+
+import (
+	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/buf"
+)
+
+const BufferSize = buf.BufferSize
+
+type Buffer = buf.Buffer
+
+var New = buf.New
+var StackNew = buf.StackNew
+var StackNewSize = buf.StackNewSize
+var With = buf.With
+
+var KeepAlive = common.KeepAlive
+
+//go:norace
+func Dup[T any](obj T) T {
+	return common.Dup(obj)
+}
+
+var Must = common.Must
+var Error = common.Error

common/callback/callback.go

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

common/convert/converter.go

@@ -2,8 +2,10 @@ package convert
 
 import (
 	"bytes"
+	"encoding/base64"
 	"encoding/json"
 	"fmt"
+	"github.com/Dreamacro/clash/log"
 	"net/url"
 	"strconv"
 	"strings"
@@ -81,7 +83,7 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 			trojan["port"] = urlTrojan.Port()
 			trojan["password"] = urlTrojan.User.Username()
 			trojan["udp"] = true
-			trojan["skip-cert-verify"] = false
+			trojan["skip-cert-verify"], _ = strconv.ParseBool(query.Get("allowInsecure"))
 
 			sni := query.Get("sni")
 			if sni != "" {
@@ -111,6 +113,12 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 				trojan["grpc-opts"] = grpcOpts
 			}
 
+			if fingerprint := query.Get("fp"); fingerprint == "" {
+				trojan["client-fingerprint"] = "chrome"
+			} else {
+				trojan["client-fingerprint"] = fingerprint
+			}
+
 			proxies = append(proxies, trojan)
 
 		case "vless":
@@ -120,7 +128,11 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 			}
 			query := urlVLess.Query()
 			vless := make(map[string]any, 20)
-			handleVShareLink(names, urlVLess, scheme, vless)
+			err = handleVShareLink(names, urlVLess, scheme, vless)
+			if err != nil {
+				log.Warnln("error:%s line:%s", err.Error(), line)
+				continue
+			}
 			if flow := query.Get("flow"); flow != "" {
 				vless["flow"] = strings.ToLower(flow)
 			}
@@ -138,7 +150,11 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 				}
 				query := urlVMess.Query()
 				vmess := make(map[string]any, 20)
-				handleVShareLink(names, urlVMess, scheme, vmess)
+				err = handleVShareLink(names, urlVMess, scheme, vmess)
+				if err != nil {
+					log.Warnln("error:%s line:%s", err.Error(), line)
+					continue
+				}
 				vmess["alterId"] = 0
 				vmess["cipher"] = "auto"
 				if encryption := query.Get("encryption"); encryption != "" {
@@ -272,16 +288,19 @@ func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
 				cipher    string
 				password  string
 			)
-
+			cipher = cipherRaw
 			if password, found = urlSS.User.Password(); !found {
-				dcBuf, _ := enc.DecodeString(cipherRaw)
+				dcBuf, err := base64.RawURLEncoding.DecodeString(cipherRaw)
+				if err != nil {
+					dcBuf, _ = enc.DecodeString(cipherRaw)
+				}
 				cipher, password, found = strings.Cut(string(dcBuf), ":")
 				if !found {
 					continue
 				}
-				err := VerifyMethod(cipher, password)
+				err = VerifyMethod(cipher, password)
 				if err != nil {
-					dcBuf, _ := encRaw.DecodeString(cipherRaw)
+					dcBuf, _ = encRaw.DecodeString(cipherRaw)
 					cipher, password, found = strings.Cut(string(dcBuf), ":")
 				}
 			}

common/convert/util.go

@@ -2,12 +2,14 @@ package convert
 
 import (
 	"encoding/base64"
-	"github.com/metacubex/sing-shadowsocks/shadowimpl"
-	"math/rand"
 	"net/http"
 	"strings"
+	"time"
 
-	"github.com/gofrs/uuid"
+	"github.com/Dreamacro/clash/common/utils"
+
+	"github.com/metacubex/sing-shadowsocks/shadowimpl"
+	"github.com/zhangyunhao116/fastrand"
 )
 
 var hostsSuffix = []string{
@@ -292,8 +294,7 @@ var (
 )
 
 func RandHost() string {
-	id, _ := uuid.NewV4()
+	base := strings.ToLower(base64.RawURLEncoding.EncodeToString(utils.NewUUIDV4().Bytes()))
-	base := strings.ToLower(base64.RawURLEncoding.EncodeToString(id.Bytes()))
 	base = strings.ReplaceAll(base, "-", "")
 	base = strings.ReplaceAll(base, "_", "")
 	buf := []byte(base)
@@ -301,11 +302,11 @@ func RandHost() string {
 	prefix += string(buf[6:8]) + "-"
 	prefix += string(buf[len(buf)-8:])
 
-	return prefix + hostsSuffix[rand.Intn(hostsLen)]
+	return prefix + hostsSuffix[fastrand.Intn(hostsLen)]
 }
 
 func RandUserAgent() string {
-	return userAgents[rand.Intn(uaLen)]
+	return userAgents[fastrand.Intn(uaLen)]
 }
 
 func SetUserAgent(header http.Header) {
@@ -317,6 +318,6 @@ func SetUserAgent(header http.Header) {
 }
 
 func VerifyMethod(cipher, password string) (err error) {
-	_, err = shadowimpl.FetchMethod(cipher, password)
+	_, err = shadowimpl.FetchMethod(cipher, password, time.Now)
 	return
 }

common/convert/v.go

@@ -1,15 +1,24 @@
 package convert
 
 import (
+	"errors"
+	"fmt"
 	"net/url"
+	"strconv"
 	"strings"
 )
 
-func handleVShareLink(names map[string]int, url *url.URL, scheme string, proxy map[string]any) {
+func handleVShareLink(names map[string]int, url *url.URL, scheme string, proxy map[string]any) error {
 	// Xray VMessAEAD / VLESS share link standard
 	// https://github.com/XTLS/Xray-core/discussions/716
 	query := url.Query()
 	proxy["name"] = uniqueName(names, url.Fragment)
+	if url.Hostname() == "" {
+		return errors.New("url.Hostname() is empty")
+	}
+	if url.Port() == "" {
+		return errors.New("url.Port() is empty")
+	}
 	proxy["type"] = scheme
 	proxy["server"] = url.Hostname()
 	proxy["port"] = url.Port()
@@ -18,12 +27,23 @@ func handleVShareLink(names map[string]int, url *url.URL, scheme string, proxy m
 	proxy["skip-cert-verify"] = false
 	proxy["tls"] = false
 	tls := strings.ToLower(query.Get("security"))
-	if strings.HasSuffix(tls, "tls") {
+	if strings.HasSuffix(tls, "tls") || tls == "reality" {
 		proxy["tls"] = true
+		if fingerprint := query.Get("fp"); fingerprint == "" {
+			proxy["client-fingerprint"] = "chrome"
+		} else {
+			proxy["client-fingerprint"] = fingerprint
+		}
 	}
 	if sni := query.Get("sni"); sni != "" {
 		proxy["servername"] = sni
 	}
+	if realityPublicKey := query.Get("pbk"); realityPublicKey != "" {
+		proxy["reality-opts"] = map[string]any{
+			"public-key": realityPublicKey,
+			"short-id":   query.Get("sid"),
+		}
+	}
 
 	switch query.Get("packetEncoding") {
 	case "none":
@@ -87,6 +107,17 @@ func handleVShareLink(names map[string]int, url *url.URL, scheme string, proxy m
 		wsOpts["path"] = query.Get("path")
 		wsOpts["headers"] = headers
 
+		if earlyData := query.Get("ed"); earlyData != "" {
+			med, err := strconv.Atoi(earlyData)
+			if err != nil {
+				return fmt.Errorf("bad WebSocket max early data size: %v", err)
+			}
+			wsOpts["max-early-data"] = med
+		}
+		if earlyDataHeader := query.Get("eh"); earlyDataHeader != "" {
+			wsOpts["early-data-header-name"] = earlyDataHeader
+		}
+
 		proxy["ws-opts"] = wsOpts
 
 	case "grpc":
@@ -94,4 +125,5 @@ func handleVShareLink(names map[string]int, url *url.URL, scheme string, proxy m
 		grpcOpts["grpc-service-name"] = query.Get("serviceName")
 		proxy["grpc-opts"] = grpcOpts
 	}
+	return nil
 }

common/generics/list/list.go

@@ -5,10 +5,10 @@
 // Package list implements a doubly linked list.
 //
 // To iterate over a list (where l is a *List):
+//
 //	for e := l.Front(); e != nil; e = e.Next() {
 //		// do something with e.Value
 //	}
-//
 package list
 
 // Element is an element of a linked list.

common/net/addr.go

@@ -0,0 +1,36 @@
+package net
+
+import (
+	"net"
+)
+
+type CustomAddr interface {
+	net.Addr
+	RawAddr() net.Addr
+}
+
+type customAddr struct {
+	networkStr string
+	addrStr    string
+	rawAddr    net.Addr
+}
+
+func (a customAddr) Network() string {
+	return a.networkStr
+}
+
+func (a customAddr) String() string {
+	return a.addrStr
+}
+
+func (a customAddr) RawAddr() net.Addr {
+	return a.rawAddr
+}
+
+func NewCustomAddr(networkStr string, addrStr string, rawAddr net.Addr) CustomAddr {
+	return customAddr{
+		networkStr: networkStr,
+		addrStr:    addrStr,
+		rawAddr:    rawAddr,
+	}
+}

common/net/bufconn.go

@@ -3,18 +3,23 @@ package net
 import (
 	"bufio"
 	"net"
+
+	"github.com/Dreamacro/clash/common/buf"
 )
 
+var _ ExtendedConn = (*BufferedConn)(nil)
+
 type BufferedConn struct {
 	r *bufio.Reader
-	net.Conn
+	ExtendedConn
+	peeked bool
 }
 
 func NewBufferedConn(c net.Conn) *BufferedConn {
 	if bc, ok := c.(*BufferedConn); ok {
 		return bc
 	}
-	return &BufferedConn{bufio.NewReader(c), c}
+	return &BufferedConn{bufio.NewReader(c), NewExtendedConn(c), false}
 }
 
 // Reader returns the internal bufio.Reader.
@@ -22,11 +27,24 @@ func (c *BufferedConn) Reader() *bufio.Reader {
 	return c.r
 }
 
+func (c *BufferedConn) ResetPeeked() {
+	c.peeked = false
+}
+
+func (c *BufferedConn) Peeked() bool {
+	return c.peeked
+}
+
 // Peek returns the next n bytes without advancing the reader.
 func (c *BufferedConn) Peek(n int) ([]byte, error) {
+	c.peeked = true
 	return c.r.Peek(n)
 }
 
+func (c *BufferedConn) Discard(n int) (discarded int, err error) {
+	return c.r.Discard(n)
+}
+
 func (c *BufferedConn) Read(p []byte) (int, error) {
 	return c.r.Read(p)
 }
@@ -42,3 +60,22 @@ func (c *BufferedConn) UnreadByte() error {
 func (c *BufferedConn) Buffered() int {
 	return c.r.Buffered()
 }
+
+func (c *BufferedConn) ReadBuffer(buffer *buf.Buffer) (err error) {
+	if c.r.Buffered() > 0 {
+		_, err = buffer.ReadOnceFrom(c.r)
+		return
+	}
+	return c.ExtendedConn.ReadBuffer(buffer)
+}
+
+func (c *BufferedConn) Upstream() any {
+	return c.ExtendedConn
+}
+
+func (c *BufferedConn) ReaderReplaceable() bool {
+	if c.r.Buffered() > 0 {
+		return false
+	}
+	return true
+}

common/net/refconn.go

@@ -51,6 +51,10 @@ func (c *refConn) SetWriteDeadline(t time.Time) error {
 	return c.conn.SetWriteDeadline(t)
 }
 
+func (c *refConn) Upstream() any {
+	return c.conn
+}
+
 func NewRefConn(conn net.Conn, ref any) net.Conn {
 	return &refConn{conn: conn, ref: ref}
 }

common/net/relay.go

@@ -1,24 +1,24 @@
 package net
 
-import (
+//import (
-	"io"
+//	"io"
-	"net"
+//	"net"
-	"time"
+//	"time"
-)
+//)
-
+//
-// Relay copies between left and right bidirectionally.
+//// Relay copies between left and right bidirectionally.
-func Relay(leftConn, rightConn net.Conn) {
+//func Relay(leftConn, rightConn net.Conn) {
-	ch := make(chan error)
+//	ch := make(chan error)
-
+//
-	go func() {
+//	go func() {
-		// Wrapping to avoid using *net.TCPConn.(ReadFrom)
+//		// Wrapping to avoid using *net.TCPConn.(ReadFrom)
-		// See also https://github.com/Dreamacro/clash/pull/1209
+//		// See also https://github.com/Dreamacro/clash/pull/1209
-		_, err := io.Copy(WriteOnlyWriter{Writer: leftConn}, ReadOnlyReader{Reader: rightConn})
+//		_, err := io.Copy(WriteOnlyWriter{Writer: leftConn}, ReadOnlyReader{Reader: rightConn})
-		leftConn.SetReadDeadline(time.Now())
+//		leftConn.SetReadDeadline(time.Now())
-		ch <- err
+//		ch <- err
-	}()
+//	}()
-
+//
-	_, _ = io.Copy(WriteOnlyWriter{Writer: rightConn}, ReadOnlyReader{Reader: leftConn})
+//	_, _ = io.Copy(WriteOnlyWriter{Writer: rightConn}, ReadOnlyReader{Reader: leftConn})
-	rightConn.SetReadDeadline(time.Now())
+//	rightConn.SetReadDeadline(time.Now())
-	<-ch
+//	<-ch
-}
+//}

common/net/sing.go

@@ -0,0 +1,30 @@
+package net
+
+import (
+	"context"
+	"net"
+
+	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/bufio"
+	"github.com/sagernet/sing/common/network"
+)
+
+var NewExtendedConn = bufio.NewExtendedConn
+var NewExtendedWriter = bufio.NewExtendedWriter
+var NewExtendedReader = bufio.NewExtendedReader
+
+type ExtendedConn = network.ExtendedConn
+type ExtendedWriter = network.ExtendedWriter
+type ExtendedReader = network.ExtendedReader
+
+func NeedHandshake(conn any) bool {
+	if earlyConn, isEarlyConn := common.Cast[network.EarlyConn](conn); isEarlyConn && earlyConn.NeedHandshake() {
+		return true
+	}
+	return false
+}
+
+// Relay copies between left and right bidirectionally.
+func Relay(leftConn, rightConn net.Conn) {
+	_ = bufio.CopyConn(context.TODO(), leftConn, rightConn)
+}

common/net/tls.go

@@ -1,11 +1,19 @@
 package net
 
 import (
+	"crypto/rand"
+	"crypto/rsa"
 	"crypto/tls"
+	"crypto/x509"
+	"encoding/pem"
 	"fmt"
+	"math/big"
 )
 
 func ParseCert(certificate, privateKey string) (tls.Certificate, error) {
+	if certificate == "" || privateKey == "" {
+		return newRandomTLSKeyPair()
+	}
 	cert, painTextErr := tls.X509KeyPair([]byte(certificate), []byte(privateKey))
 	if painTextErr == nil {
 		return cert, nil
@@ -17,3 +25,28 @@ func ParseCert(certificate, privateKey string) (tls.Certificate, error) {
 	}
 	return cert, nil
 }
+
+func newRandomTLSKeyPair() (tls.Certificate, error) {
+	key, err := rsa.GenerateKey(rand.Reader, 2048)
+	if err != nil {
+		return tls.Certificate{}, err
+	}
+	template := x509.Certificate{SerialNumber: big.NewInt(1)}
+	certDER, err := x509.CreateCertificate(
+		rand.Reader,
+		&template,
+		&template,
+		&key.PublicKey,
+		key)
+	if err != nil {
+		return tls.Certificate{}, err
+	}
+	keyPEM := pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(key)})
+	certPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: certDER})
+
+	tlsCert, err := tls.X509KeyPair(certPEM, keyPEM)
+	if err != nil {
+		return tls.Certificate{}, err
+	}
+	return tlsCert, nil
+}

common/net/websocket.go

@@ -0,0 +1,131 @@
+package net
+
+import (
+	"encoding/binary"
+	"math/bits"
+)
+
+// kanged from https://github.com/nhooyr/websocket/blob/master/frame.go
+// License: MIT
+
+// MaskWebSocket applies the WebSocket masking algorithm to p
+// with the given key.
+// See https://tools.ietf.org/html/rfc6455#section-5.3
+//
+// The returned value is the correctly rotated key to
+// to continue to mask/unmask the message.
+//
+// It is optimized for LittleEndian and expects the key
+// to be in little endian.
+//
+// See https://github.com/golang/go/issues/31586
+func MaskWebSocket(key uint32, b []byte) uint32 {
+	if len(b) >= 8 {
+		key64 := uint64(key)<<32 | uint64(key)
+
+		// At some point in the future we can clean these unrolled loops up.
+		// See https://github.com/golang/go/issues/31586#issuecomment-487436401
+
+		// Then we xor until b is less than 128 bytes.
+		for len(b) >= 128 {
+			v := binary.LittleEndian.Uint64(b)
+			binary.LittleEndian.PutUint64(b, v^key64)
+			v = binary.LittleEndian.Uint64(b[8:16])
+			binary.LittleEndian.PutUint64(b[8:16], v^key64)
+			v = binary.LittleEndian.Uint64(b[16:24])
+			binary.LittleEndian.PutUint64(b[16:24], v^key64)
+			v = binary.LittleEndian.Uint64(b[24:32])
+			binary.LittleEndian.PutUint64(b[24:32], v^key64)
+			v = binary.LittleEndian.Uint64(b[32:40])
+			binary.LittleEndian.PutUint64(b[32:40], v^key64)
+			v = binary.LittleEndian.Uint64(b[40:48])
+			binary.LittleEndian.PutUint64(b[40:48], v^key64)
+			v = binary.LittleEndian.Uint64(b[48:56])
+			binary.LittleEndian.PutUint64(b[48:56], v^key64)
+			v = binary.LittleEndian.Uint64(b[56:64])
+			binary.LittleEndian.PutUint64(b[56:64], v^key64)
+			v = binary.LittleEndian.Uint64(b[64:72])
+			binary.LittleEndian.PutUint64(b[64:72], v^key64)
+			v = binary.LittleEndian.Uint64(b[72:80])
+			binary.LittleEndian.PutUint64(b[72:80], v^key64)
+			v = binary.LittleEndian.Uint64(b[80:88])
+			binary.LittleEndian.PutUint64(b[80:88], v^key64)
+			v = binary.LittleEndian.Uint64(b[88:96])
+			binary.LittleEndian.PutUint64(b[88:96], v^key64)
+			v = binary.LittleEndian.Uint64(b[96:104])
+			binary.LittleEndian.PutUint64(b[96:104], v^key64)
+			v = binary.LittleEndian.Uint64(b[104:112])
+			binary.LittleEndian.PutUint64(b[104:112], v^key64)
+			v = binary.LittleEndian.Uint64(b[112:120])
+			binary.LittleEndian.PutUint64(b[112:120], v^key64)
+			v = binary.LittleEndian.Uint64(b[120:128])
+			binary.LittleEndian.PutUint64(b[120:128], v^key64)
+			b = b[128:]
+		}
+
+		// Then we xor until b is less than 64 bytes.
+		for len(b) >= 64 {
+			v := binary.LittleEndian.Uint64(b)
+			binary.LittleEndian.PutUint64(b, v^key64)
+			v = binary.LittleEndian.Uint64(b[8:16])
+			binary.LittleEndian.PutUint64(b[8:16], v^key64)
+			v = binary.LittleEndian.Uint64(b[16:24])
+			binary.LittleEndian.PutUint64(b[16:24], v^key64)
+			v = binary.LittleEndian.Uint64(b[24:32])
+			binary.LittleEndian.PutUint64(b[24:32], v^key64)
+			v = binary.LittleEndian.Uint64(b[32:40])
+			binary.LittleEndian.PutUint64(b[32:40], v^key64)
+			v = binary.LittleEndian.Uint64(b[40:48])
+			binary.LittleEndian.PutUint64(b[40:48], v^key64)
+			v = binary.LittleEndian.Uint64(b[48:56])
+			binary.LittleEndian.PutUint64(b[48:56], v^key64)
+			v = binary.LittleEndian.Uint64(b[56:64])
+			binary.LittleEndian.PutUint64(b[56:64], v^key64)
+			b = b[64:]
+		}
+
+		// Then we xor until b is less than 32 bytes.
+		for len(b) >= 32 {
+			v := binary.LittleEndian.Uint64(b)
+			binary.LittleEndian.PutUint64(b, v^key64)
+			v = binary.LittleEndian.Uint64(b[8:16])
+			binary.LittleEndian.PutUint64(b[8:16], v^key64)
+			v = binary.LittleEndian.Uint64(b[16:24])
+			binary.LittleEndian.PutUint64(b[16:24], v^key64)
+			v = binary.LittleEndian.Uint64(b[24:32])
+			binary.LittleEndian.PutUint64(b[24:32], v^key64)
+			b = b[32:]
+		}
+
+		// Then we xor until b is less than 16 bytes.
+		for len(b) >= 16 {
+			v := binary.LittleEndian.Uint64(b)
+			binary.LittleEndian.PutUint64(b, v^key64)
+			v = binary.LittleEndian.Uint64(b[8:16])
+			binary.LittleEndian.PutUint64(b[8:16], v^key64)
+			b = b[16:]
+		}
+
+		// Then we xor until b is less than 8 bytes.
+		for len(b) >= 8 {
+			v := binary.LittleEndian.Uint64(b)
+			binary.LittleEndian.PutUint64(b, v^key64)
+			b = b[8:]
+		}
+	}
+
+	// Then we xor until b is less than 4 bytes.
+	for len(b) >= 4 {
+		v := binary.LittleEndian.Uint32(b)
+		binary.LittleEndian.PutUint32(b, v^key)
+		b = b[4:]
+	}
+
+	// xor remaining bytes.
+	for i := range b {
+		b[i] ^= byte(key)
+		key = bits.RotateLeft32(key, -8)
+	}
+
+	return key
+}

common/pool/alloc_test.go

@@ -1,10 +1,10 @@
 package pool
 
 import (
-	"math/rand"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/zhangyunhao116/fastrand"
 )
 
 func TestAllocGet(t *testing.T) {
@@ -43,6 +43,6 @@ func TestAllocPutThenGet(t *testing.T) {
 
 func BenchmarkMSB(b *testing.B) {
 	for i := 0; i < b.N; i++ {
-		msb(rand.Int())
+		msb(fastrand.Int())
 	}
 }

common/utils/must.go

@@ -0,0 +1,8 @@
+package utils
+
+func MustOK[T any](result T, ok bool) T {
+	if ok {
+		return result
+	}
+	panic("operation failed")
+}

common/utils/slice.go

@@ -0,0 +1,34 @@
+package utils
+
+import (
+	"errors"
+	"fmt"
+	"reflect"
+)
+
+func Filter[T comparable](tSlice []T, filter func(t T) bool) []T {
+	result := make([]T, 0)
+	for _, t := range tSlice {
+		if filter(t) {
+			result = append(result, t)
+		}
+	}
+	return result
+}
+
+func ToStringSlice(value any) ([]string, error) {
+	strArr := make([]string, 0)
+	switch reflect.TypeOf(value).Kind() {
+	case reflect.Slice, reflect.Array:
+		origin := reflect.ValueOf(value)
+		for i := 0; i < origin.Len(); i++ {
+			item := fmt.Sprintf("%v", origin.Index(i))
+			strArr = append(strArr, item)
+		}
+	case reflect.String:
+		strArr = append(strArr, fmt.Sprintf("%v", value))
+	default:
+		return nil, errors.New("value format error, must be string or array")
+	}
+	return strArr, nil
+}

common/utils/uuid.go

@@ -2,15 +2,50 @@ package utils
 
 import (
 	"github.com/gofrs/uuid"
+	"github.com/zhangyunhao116/fastrand"
 )
 
-var uuidNamespace, _ = uuid.FromString("00000000-0000-0000-0000-000000000000")
+type fastRandReader struct{}
+
+func (r fastRandReader) Read(p []byte) (int, error) {
+	return fastrand.Read(p)
+}
+
+var UnsafeUUIDGenerator = uuid.NewGenWithOptions(uuid.WithRandomReader(fastRandReader{}))
+
+func NewUUIDV1() uuid.UUID {
+	u, _ := UnsafeUUIDGenerator.NewV1() // fastrand.Read wouldn't cause error, so ignore err is safe
+	return u
+}
+
+func NewUUIDV3(ns uuid.UUID, name string) uuid.UUID {
+	return UnsafeUUIDGenerator.NewV3(ns, name)
+}
+
+func NewUUIDV4() uuid.UUID {
+	u, _ := UnsafeUUIDGenerator.NewV4() // fastrand.Read wouldn't cause error, so ignore err is safe
+	return u
+}
+
+func NewUUIDV5(ns uuid.UUID, name string) uuid.UUID {
+	return UnsafeUUIDGenerator.NewV5(ns, name)
+}
+
+func NewUUIDV6() uuid.UUID {
+	u, _ := UnsafeUUIDGenerator.NewV6() // fastrand.Read wouldn't cause error, so ignore err is safe
+	return u
+}
+
+func NewUUIDV7() uuid.UUID {
+	u, _ := UnsafeUUIDGenerator.NewV7() // fastrand.Read wouldn't cause error, so ignore err is safe
+	return u
+}
 
 // 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 NewUUIDV5(uuid.Nil, str), nil
 	}
 	return u, nil
 }

component/dialer/bind_darwin.go

@@ -1,6 +1,7 @@
 package dialer
 
 import (
+	"context"
 	"net"
 	"net/netip"
 	"syscall"
@@ -10,16 +11,8 @@ import (
 	"golang.org/x/sys/unix"
 )
 
-type controlFn = func(network, address string, c syscall.RawConn) error
+func bindControl(ifaceIdx int) controlFn {
-
+	return func(ctx context.Context, network, address string, c syscall.RawConn) (err error) {
-func bindControl(ifaceIdx int, chain controlFn) controlFn {
-	return func(network, address string, c syscall.RawConn) (err error) {
-		defer func() {
-			if err == nil && chain != nil {
-				err = chain(network, address, c)
-			}
-		}()
-
 		addrPort, err := netip.ParseAddrPort(address)
 		if err == nil && !addrPort.Addr().IsGlobalUnicast() {
 			return
@@ -49,7 +42,7 @@ func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ netip.A
 		return err
 	}
 
-	dialer.Control = bindControl(ifaceObj.Index, dialer.Control)
+	addControlToDialer(dialer, bindControl(ifaceObj.Index))
 	return nil
 }
 
@@ -59,6 +52,10 @@ func bindIfaceToListenConfig(ifaceName string, lc *net.ListenConfig, _, address
 		return "", err
 	}
 
-	lc.Control = bindControl(ifaceObj.Index, lc.Control)
+	addControlToListenConfig(lc, bindControl(ifaceObj.Index))
 	return address, nil
 }
+
+func ParseNetwork(network string, addr netip.Addr) string {
+	return network
+}

component/dialer/bind_linux.go

@@ -1,6 +1,7 @@
 package dialer
 
 import (
+	"context"
 	"net"
 	"net/netip"
 	"syscall"
@@ -8,16 +9,8 @@ import (
 	"golang.org/x/sys/unix"
 )
 
-type controlFn = func(network, address string, c syscall.RawConn) error
+func bindControl(ifaceName string) controlFn {
-
+	return func(ctx context.Context, network, address string, c syscall.RawConn) (err error) {
-func bindControl(ifaceName string, chain controlFn) controlFn {
-	return func(network, address string, c syscall.RawConn) (err error) {
-		defer func() {
-			if err == nil && chain != nil {
-				err = chain(network, address, c)
-			}
-		}()
-
 		addrPort, err := netip.ParseAddrPort(address)
 		if err == nil && !addrPort.Addr().IsGlobalUnicast() {
 			return
@@ -37,13 +30,17 @@ func bindControl(ifaceName string, chain controlFn) controlFn {
 }
 
 func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ netip.Addr) error {
-	dialer.Control = bindControl(ifaceName, dialer.Control)
+	addControlToDialer(dialer, bindControl(ifaceName))
 
 	return nil
 }
 
 func bindIfaceToListenConfig(ifaceName string, lc *net.ListenConfig, _, address string) (string, error) {
-	lc.Control = bindControl(ifaceName, lc.Control)
+	addControlToListenConfig(lc, bindControl(ifaceName))
 
 	return address, nil
 }
+
+func ParseNetwork(network string, addr netip.Addr) string {
+	return network
+}

component/dialer/bind_others.go

@@ -1,4 +1,4 @@
-//go:build !linux && !darwin
+//go:build !linux && !darwin && !windows
 
 package dialer
 
@@ -91,3 +91,13 @@ func bindIfaceToListenConfig(ifaceName string, _ *net.ListenConfig, network, add
 
 	return addr.String(), nil
 }
+
+func ParseNetwork(network string, addr netip.Addr) string {
+	// fix bindIfaceToListenConfig() force bind to an ipv4 address
+	if !strings.HasSuffix(network, "4") &&
+		!strings.HasSuffix(network, "6") &&
+		addr.Unmap().Is6() {
+		network += "6"
+	}
+	return network
+}

component/dialer/bind_windows.go

@@ -0,0 +1,92 @@
+package dialer
+
+import (
+	"context"
+	"encoding/binary"
+	"net"
+	"net/netip"
+	"syscall"
+	"unsafe"
+
+	"github.com/Dreamacro/clash/component/iface"
+)
+
+const (
+	IP_UNICAST_IF   = 31
+	IPV6_UNICAST_IF = 31
+)
+
+func bind4(handle syscall.Handle, ifaceIdx int) error {
+	var bytes [4]byte
+	binary.BigEndian.PutUint32(bytes[:], uint32(ifaceIdx))
+	idx := *(*uint32)(unsafe.Pointer(&bytes[0]))
+	return syscall.SetsockoptInt(handle, syscall.IPPROTO_IP, IP_UNICAST_IF, int(idx))
+}
+
+func bind6(handle syscall.Handle, ifaceIdx int) error {
+	return syscall.SetsockoptInt(handle, syscall.IPPROTO_IPV6, IPV6_UNICAST_IF, ifaceIdx)
+}
+
+func bindControl(ifaceIdx int) controlFn {
+	return func(ctx context.Context, network, address string, c syscall.RawConn) (err error) {
+		addrPort, err := netip.ParseAddrPort(address)
+		if err == nil && !addrPort.Addr().IsGlobalUnicast() {
+			return
+		}
+
+		var innerErr error
+		err = c.Control(func(fd uintptr) {
+			handle := syscall.Handle(fd)
+			bind6err := bind6(handle, ifaceIdx)
+			bind4err := bind4(handle, ifaceIdx)
+			switch network {
+			case "ip6", "tcp6":
+				innerErr = bind6err
+			case "ip4", "tcp4", "udp4":
+				innerErr = bind4err
+			case "udp6":
+				// golang will set network to udp6 when listenUDP on wildcard ip (eg: ":0", "")
+				if (!addrPort.Addr().IsValid() || addrPort.Addr().IsUnspecified()) && bind6err != nil {
+					// try bind ipv6, if failed, ignore. it's a workaround for windows disable interface ipv6
+					if bind4err != nil {
+						innerErr = bind6err
+					} else {
+						innerErr = bind4err
+					}
+				} else {
+					innerErr = bind6err
+				}
+			}
+		})
+
+		if innerErr != nil {
+			err = innerErr
+		}
+
+		return
+	}
+}
+
+func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ netip.Addr) error {
+	ifaceObj, err := iface.ResolveInterface(ifaceName)
+	if err != nil {
+		return err
+	}
+
+	addControlToDialer(dialer, bindControl(ifaceObj.Index))
+	return nil
+}
+
+func bindIfaceToListenConfig(ifaceName string, lc *net.ListenConfig, _, address string) (string, error) {
+	ifaceObj, err := iface.ResolveInterface(ifaceName)
+	if err != nil {
+		return "", err
+	}
+
+	addControlToListenConfig(lc, bindControl(ifaceObj.Index))
+	return address, nil
+}
+
+func ParseNetwork(network string, addr netip.Addr) string {
+	return network
+}

component/dialer/control.go

@@ -0,0 +1,22 @@
+package dialer
+
+import (
+	"context"
+	"net"
+	"syscall"
+)
+
+type controlFn = func(ctx context.Context, network, address string, c syscall.RawConn) error
+
+func addControlToListenConfig(lc *net.ListenConfig, fn controlFn) {
+	llc := *lc
+	lc.Control = func(network, address string, c syscall.RawConn) (err error) {
+		switch {
+		case llc.Control != nil:
+			if err = llc.Control(network, address, c); err != nil {
+				return
+			}
+		}
+		return fn(context.Background(), network, address, c)
+	}
+}

component/dialer/control_go119.go

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

component/dialer/control_go120.go

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

component/dialer/dialer.go

@@ -2,40 +2,27 @@ package dialer
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"net"
 	"net/netip"
-	"runtime"
+	"os"
 	"strings"
 	"sync"
+	"time"
 
 	"github.com/Dreamacro/clash/component/resolver"
-
-	"go.uber.org/atomic"
 )
 
+type dialFunc func(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error)
+
 var (
-	dialMux                    sync.Mutex
+	dialMux                      sync.Mutex
-	actualSingleDialContext    = singleDialContext
+	actualSingleStackDialContext = serialSingleStackDialContext
-	actualDualStackDialContext = dualStackDialContext
+	actualDualStackDialContext   = serialDualStackDialContext
-	tcpConcurrent              = false
+	tcpConcurrent                = false
-	DisableIPv6                = false
+	fallbackTimeout              = 300 * time.Millisecond
-	ErrorInvalidedNetworkStack = errors.New("invalided network stack")
-	ErrorDisableIPv6           = errors.New("IPv6 is disabled, dialer cancel")
 )
 
-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(),
@@ -66,29 +53,23 @@ func DialContext(ctx context.Context, network, address string, options ...Option
 		network = fmt.Sprintf("%s%d", network, opt.network)
 	}
 
+	ips, port, err := parseAddr(ctx, network, address, opt.resolver)
+	if err != nil {
+		return nil, err
+	}
+
 	switch network {
 	case "tcp4", "tcp6", "udp4", "udp6":
-		return actualSingleDialContext(ctx, network, address, opt)
+		return actualSingleStackDialContext(ctx, network, ips, port, opt)
 	case "tcp", "udp":
-		return actualDualStackDialContext(ctx, network, address, opt)
+		return actualDualStackDialContext(ctx, network, ips, port, opt)
 	default:
 		return nil, ErrorInvalidedNetworkStack
 	}
 }
 
 func ListenPacket(ctx context.Context, network, address string, options ...Option) (net.PacketConn, error) {
-	cfg := &option{
+	cfg := applyOptions(options...)
-		interfaceName: DefaultInterface.Load(),
-		routingMark:   int(DefaultRoutingMark.Load()),
-	}
-
-	for _, o := range DefaultOptions {
-		o(cfg)
-	}
-
-	for _, o := range options {
-		o(cfg)
-	}
 
 	lc := &net.ListenConfig{}
 	if cfg.interfaceName != "" {
@@ -108,26 +89,40 @@ func ListenPacket(ctx context.Context, network, address string, options ...Optio
 	return lc.ListenPacket(ctx, network, address)
 }
 
-func SetDial(concurrent bool) {
+func SetTcpConcurrent(concurrent bool) {
 	dialMux.Lock()
+	defer dialMux.Unlock()
 	tcpConcurrent = concurrent
 	if concurrent {
-		actualSingleDialContext = concurrentSingleDialContext
+		actualSingleStackDialContext = concurrentSingleStackDialContext
 		actualDualStackDialContext = concurrentDualStackDialContext
 	} else {
-		actualSingleDialContext = singleDialContext
+		actualSingleStackDialContext = serialSingleStackDialContext
-		actualDualStackDialContext = dualStackDialContext
+		actualDualStackDialContext = serialDualStackDialContext
 	}
-
-	dialMux.Unlock()
 }
 
-func GetDial() bool {
+func GetTcpConcurrent() bool {
+	dialMux.Lock()
+	defer dialMux.Unlock()
 	return tcpConcurrent
 }
 
 func dialContext(ctx context.Context, network string, destination netip.Addr, port string, opt *option) (net.Conn, error) {
-	dialer := &net.Dialer{}
+	address := net.JoinHostPort(destination.String(), port)
+
+	netDialer := opt.netDialer
+	switch netDialer.(type) {
+	case nil:
+		netDialer = &net.Dialer{}
+	case *net.Dialer:
+		_netDialer := *netDialer.(*net.Dialer)
+		netDialer = &_netDialer // make a copy
+	default:
+		return netDialer.DialContext(ctx, network, address)
+	}
+
+	dialer := netDialer.(*net.Dialer)
 	if opt.interfaceName != "" {
 		if err := bindIfaceToDialer(opt.interfaceName, dialer, network, destination); err != nil {
 			return nil, err
@@ -136,328 +131,213 @@ func dialContext(ctx context.Context, network string, destination netip.Addr, po
 	if opt.routingMark != 0 {
 		bindMarkToDialer(opt.routingMark, dialer, network, destination)
 	}
-
+	if opt.tfo {
-	if DisableIPv6 && destination.Is6() {
+		return dialTFO(ctx, *dialer, network, address)
-		return nil, ErrorDisableIPv6
 	}
-
+	return dialer.DialContext(ctx, network, address)
-	return dialer.DialContext(ctx, network, net.JoinHostPort(destination.String(), port))
 }
 
-func dualStackDialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
+func serialSingleStackDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
-	host, port, err := net.SplitHostPort(address)
+	return serialDialContext(ctx, network, ips, port, opt)
-	if err != nil {
+}
-		return nil, err
-	}
 
+func serialDualStackDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
+	return dualStackDialContext(ctx, serialDialContext, network, ips, port, opt)
+}
+
+func concurrentSingleStackDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
+	return parallelDialContext(ctx, network, ips, port, opt)
+}
+
+func concurrentDualStackDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
+	if opt.prefer != 4 && opt.prefer != 6 {
+		return parallelDialContext(ctx, network, ips, port, opt)
+	}
+	return dualStackDialContext(ctx, parallelDialContext, network, ips, port, opt)
+}
+
+func dualStackDialContext(ctx context.Context, dialFn dialFunc, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
+	ipv4s, ipv6s := sortationAddr(ips)
+	preferIPVersion := opt.prefer
+
+	fallbackTicker := time.NewTicker(fallbackTimeout)
+	defer fallbackTicker.Stop()
+	results := make(chan dialResult)
 	returned := make(chan struct{})
 	defer close(returned)
-
+	racer := func(ips []netip.Addr, isPrimary bool) {
-	type dialResult struct {
+		result := dialResult{isPrimary: isPrimary}
-		net.Conn
-		error
-		resolved bool
-		ipv6     bool
-		done     bool
-	}
-	results := make(chan dialResult)
-	var primary, fallback dialResult
-
-	startRacer := func(ctx context.Context, network, host string, r resolver.Resolver, ipv6 bool) {
-		result := dialResult{ipv6: ipv6, done: true}
 		defer func() {
 			select {
 			case results <- result:
 			case <-returned:
-				if result.Conn != nil {
+				if result.Conn != nil && result.error == nil {
 					_ = result.Conn.Close()
 				}
 			}
 		}()
-
+		result.Conn, result.error = dialFn(ctx, network, ips, port, opt)
-		var ip netip.Addr
-		if ipv6 {
-			if r == nil {
-				ip, result.error = resolver.ResolveIPv6ProxyServerHost(ctx, host)
-			} else {
-				ip, result.error = resolver.ResolveIPv6WithResolver(ctx, host, r)
-			}
-		} else {
-			if r == nil {
-				ip, result.error = resolver.ResolveIPv4ProxyServerHost(ctx, host)
-			} else {
-				ip, result.error = resolver.ResolveIPv4WithResolver(ctx, host, r)
-			}
-		}
-		if result.error != nil {
-			return
-		}
-		result.resolved = true
-
-		result.Conn, result.error = dialContext(ctx, network, ip, port, opt)
 	}
-
+	go racer(ipv4s, preferIPVersion != 6)
-	go startRacer(ctx, network+"4", host, opt.resolver, false)
+	go racer(ipv6s, preferIPVersion != 4)
-	go startRacer(ctx, network+"6", host, opt.resolver, true)
+	var fallback dialResult
-
+	var errs []error
-	count := 2
+	for i := 0; i < 2; {
-	for i := 0; i < count; i++ {
 		select {
+		case <-fallbackTicker.C:
+			if fallback.error == nil && fallback.Conn != nil {
+				return fallback.Conn, nil
+			}
 		case res := <-results:
+			i++
 			if res.error == nil {
-				return res.Conn, nil
+				if res.isPrimary {
-			}
+					return res.Conn, nil
-
+				}
-			if !res.ipv6 {
-				primary = res
-			} else {
 				fallback = res
-			}
+			} else {
-
+				if res.isPrimary {
-			if primary.done && fallback.done {
+					errs = append([]error{fmt.Errorf("connect failed: %w", res.error)}, errs...)
-				if primary.resolved {
-					return nil, primary.error
-				} else if fallback.resolved {
-					return nil, fallback.error
 				} else {
-					return nil, primary.error
+					errs = append(errs, fmt.Errorf("connect failed: %w", res.error))
 				}
 			}
-		case <-ctx.Done():
-			err = ctx.Err()
-			break
 		}
 	}
-
+	if fallback.error == nil && fallback.Conn != nil {
-	if err == nil {
+		return fallback.Conn, nil
-		err = fmt.Errorf("dual stack dial failed")
-	} else {
-		err = fmt.Errorf("dual stack dial failed:%w", err)
 	}
-	return nil, err
+	return nil, errorsJoin(errs...)
 }
 
-func concurrentDualStackDialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
+func parallelDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
-	host, port, err := net.SplitHostPort(address)
+	if len(ips) == 0 {
-	if err != nil {
+		return nil, ErrorNoIpAddress
-		return nil, err
 	}
-
+	results := make(chan dialResult)
-	var ips []netip.Addr
-	if opt.resolver != nil {
-		ips, err = resolver.LookupIPWithResolver(ctx, host, opt.resolver)
-	} else {
-		ips, err = resolver.LookupIPProxyServerHost(ctx, host)
-	}
-
-	if err != nil {
-		return nil, err
-	}
-
-	return concurrentDialContext(ctx, network, ips, port, opt)
-}
-
-func concurrentDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
 	returned := make(chan struct{})
 	defer close(returned)
-
+	racer := func(ctx context.Context, ip netip.Addr) {
-	type dialResult struct {
+		result := dialResult{isPrimary: true, ip: ip}
-		ip netip.Addr
-		net.Conn
-		error
-		isPrimary bool
-		done      bool
-	}
-
-	preferCount := atomic.NewInt32(0)
-	results := make(chan dialResult)
-	tcpRacer := func(ctx context.Context, ip netip.Addr) {
-		result := dialResult{ip: ip, done: true}
-
 		defer func() {
 			select {
 			case results <- result:
 			case <-returned:
-				if result.Conn != nil {
+				if result.Conn != nil && result.error == nil {
 					_ = result.Conn.Close()
 				}
 			}
 		}()
-		if strings.Contains(network, "tcp") {
-			network = "tcp"
-		} else {
-			network = "udp"
-		}
-
-		if ip.Is6() {
-			network += "6"
-			if opt.prefer != 4 {
-				result.isPrimary = true
-			}
-		}
-
-		if ip.Is4() {
-			network += "4"
-			if opt.prefer != 6 {
-				result.isPrimary = true
-			}
-		}
-
-		if result.isPrimary {
-			preferCount.Add(1)
-		}
-
 		result.Conn, result.error = dialContext(ctx, network, ip, port, opt)
 	}
 
 	for _, ip := range ips {
-		go tcpRacer(ctx, ip)
+		go racer(ctx, ip)
 	}
-
+	var errs []error
-	connCount := len(ips)
+	for i := 0; i < len(ips); i++ {
-	var fallback dialResult
+		res := <-results
-	var primaryError error
+		if res.error == nil {
-	var finalError error
+			return res.Conn, nil
-	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
 		}
+		errs = append(errs, res.error)
 	}
 
-	if fallback.done && fallback.error == nil {
+	if len(errs) > 0 {
-		return fallback.Conn, nil
+		return nil, errorsJoin(errs...)
 	}
-
+	return nil, os.ErrDeadlineExceeded
-	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) {
+func serialDialContext(ctx context.Context, network string, ips []netip.Addr, port string, opt *option) (net.Conn, error) {
+	if len(ips) == 0 {
+		return nil, ErrorNoIpAddress
+	}
+	var errs []error
+	for _, ip := range ips {
+		if conn, err := dialContext(ctx, network, ip, port, opt); err == nil {
+			return conn, nil
+		} else {
+			errs = append(errs, err)
+		}
+	}
+	return nil, errorsJoin(errs...)
+}
+
+type dialResult struct {
+	ip netip.Addr
+	net.Conn
+	error
+	isPrimary bool
+}
+
+func parseAddr(ctx context.Context, network, address string, preferResolver resolver.Resolver) ([]netip.Addr, string, error) {
 	host, port, err := net.SplitHostPort(address)
 	if err != nil {
-		return nil, err
+		return nil, "-1", err
-	}
-
-	var ip netip.Addr
-	switch network {
-	case "tcp4", "udp4":
-		if opt.resolver == nil {
-			ip, err = resolver.ResolveIPv4ProxyServerHost(ctx, host)
-		} else {
-			ip, err = resolver.ResolveIPv4WithResolver(ctx, host, opt.resolver)
-		}
-	default:
-		if opt.resolver == nil {
-			ip, err = resolver.ResolveIPv6ProxyServerHost(ctx, host)
-		} else {
-			ip, err = resolver.ResolveIPv6WithResolver(ctx, host, opt.resolver)
-		}
-	}
-	if err != nil {
-		return nil, err
-	}
-
-	return dialContext(ctx, network, ip, port, opt)
-}
-
-func concurrentSingleDialContext(ctx context.Context, network string, address string, opt *option) (net.Conn, error) {
-	switch network {
-	case "tcp4", "udp4":
-		return concurrentIPv4DialContext(ctx, network, address, opt)
-	default:
-		return concurrentIPv6DialContext(ctx, network, address, opt)
-	}
-}
-
-func concurrentIPv4DialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
-	host, port, err := net.SplitHostPort(address)
-	if err != nil {
-		return nil, err
 	}
 
 	var ips []netip.Addr
-	if opt.resolver == nil {
+	switch network {
-		ips, err = resolver.LookupIPv4ProxyServerHost(ctx, host)
+	case "tcp4", "udp4":
-	} else {
+		if preferResolver == nil {
-		ips, err = resolver.LookupIPv4WithResolver(ctx, host, opt.resolver)
+			ips, err = resolver.LookupIPv4ProxyServerHost(ctx, host)
+		} else {
+			ips, err = resolver.LookupIPv4WithResolver(ctx, host, preferResolver)
+		}
+	case "tcp6", "udp6":
+		if preferResolver == nil {
+			ips, err = resolver.LookupIPv6ProxyServerHost(ctx, host)
+		} else {
+			ips, err = resolver.LookupIPv6WithResolver(ctx, host, preferResolver)
+		}
+	default:
+		if preferResolver == nil {
+			ips, err = resolver.LookupIPProxyServerHost(ctx, host)
+		} else {
+			ips, err = resolver.LookupIPWithResolver(ctx, host, preferResolver)
+		}
 	}
-
 	if err != nil {
-		return nil, err
+		return nil, "-1", fmt.Errorf("dns resolve failed: %w", err)
 	}
-
+	for i, ip := range ips {
-	return concurrentDialContext(ctx, network, ips, port, opt)
+		if ip.Is4In6() {
+			ips[i] = ip.Unmap()
+		}
+	}
+	return ips, port, nil
 }
 
-func concurrentIPv6DialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
+func sortationAddr(ips []netip.Addr) (ipv4s, ipv6s []netip.Addr) {
-	host, port, err := net.SplitHostPort(address)
+	for _, v := range ips {
-	if err != nil {
+		if v.Is4() { // 4in6 parse was in parseAddr
-		return nil, err
+			ipv4s = append(ipv4s, v)
+		} else {
+			ipv6s = append(ipv6s, v)
+		}
 	}
-
+	return
-	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
+	opt option
 }
 
 func (d Dialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
-	return DialContext(ctx, network, address, WithOption(d.Opt))
+	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))
+	opt := WithOption(d.opt)
+	if rAddrPort.Addr().Unmap().IsLoopback() {
+		// avoid "The requested address is not valid in its context."
+		opt = WithInterface("")
+	}
+	return ListenPacket(ctx, ParseNetwork(network, rAddrPort.Addr()), address, opt)
 }
 
 func NewDialer(options ...Option) Dialer {
 	opt := applyOptions(options...)
-	return Dialer{Opt: *opt}
+	return Dialer{opt: *opt}
 }

component/dialer/error.go

@@ -0,0 +1,18 @@
+package dialer
+
+import (
+	"errors"
+
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+var (
+	ErrorNoIpAddress           = errors.New("no ip address")
+	ErrorInvalidedNetworkStack = errors.New("invalided network stack")
+)
+
+func errorsJoin(errs ...error) error {
+	// compatibility with golang<1.20
+	// maybe use errors.Join(errs...) is better after we drop the old version's support
+	return E.Errors(errs...)
+}

component/dialer/mark_linux.go

@@ -3,26 +3,22 @@
 package dialer
 
 import (
+	"context"
 	"net"
 	"net/netip"
 	"syscall"
 )
 
 func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ netip.Addr) {
-	dialer.Control = bindMarkToControl(mark, dialer.Control)
+	addControlToDialer(dialer, bindMarkToControl(mark))
 }
 
 func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, _ string) {
-	lc.Control = bindMarkToControl(mark, lc.Control)
+	addControlToListenConfig(lc, bindMarkToControl(mark))
 }
 
-func bindMarkToControl(mark int, chain controlFn) controlFn {
+func bindMarkToControl(mark int) controlFn {
-	return func(network, address string, c syscall.RawConn) (err error) {
+	return func(ctx context.Context, network, address string, c syscall.RawConn) (err error) {
-		defer func() {
-			if err == nil && chain != nil {
-				err = chain(network, address, c)
-			}
-		}()
 
 		addrPort, err := netip.ParseAddrPort(address)
 		if err == nil && !addrPort.Addr().IsGlobalUnicast() {

component/dialer/options.go

@@ -1,6 +1,9 @@
 package dialer
 
 import (
+	"context"
+	"net"
+
 	"github.com/Dreamacro/clash/component/resolver"
 
 	"go.uber.org/atomic"
@@ -12,13 +15,19 @@ var (
 	DefaultRoutingMark = atomic.NewInt32(0)
 )
 
+type NetDialer interface {
+	DialContext(ctx context.Context, network, address string) (net.Conn, error)
+}
+
 type option struct {
 	interfaceName string
 	addrReuse     bool
 	routingMark   int
 	network       int
 	prefer        int
+	tfo           bool
 	resolver      resolver.Resolver
+	netDialer     NetDialer
 }
 
 type Option func(opt *option)
@@ -69,6 +78,18 @@ func WithOnlySingleStack(isIPv4 bool) Option {
 	}
 }
 
+func WithTFO(tfo bool) Option {
+	return func(opt *option) {
+		opt.tfo = tfo
+	}
+}
+
+func WithNetDialer(netDialer NetDialer) Option {
+	return func(opt *option) {
+		opt.netDialer = netDialer
+	}
+}
+
 func WithOption(o option) Option {
 	return func(opt *option) {
 		*opt = o

component/dialer/reuse_unix.go

@@ -3,6 +3,7 @@
 package dialer
 
 import (
+	"context"
 	"net"
 	"syscall"
 
@@ -10,18 +11,10 @@ import (
 )
 
 func addrReuseToListenConfig(lc *net.ListenConfig) {
-	chain := lc.Control
+	addControlToListenConfig(lc, func(ctx context.Context, network, address string, c syscall.RawConn) error {
-
-	lc.Control = func(network, address string, c syscall.RawConn) (err error) {
-		defer func() {
-			if err == nil && chain != nil {
-				err = chain(network, address, c)
-			}
-		}()
-
 		return c.Control(func(fd uintptr) {
 			unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEADDR, 1)
 			unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEPORT, 1)
 		})
-	}
+	})
 }

component/dialer/reuse_windows.go

@@ -1,6 +1,7 @@
 package dialer
 
 import (
+	"context"
 	"net"
 	"syscall"
 
@@ -8,17 +9,9 @@ import (
 )
 
 func addrReuseToListenConfig(lc *net.ListenConfig) {
-	chain := lc.Control
+	addControlToListenConfig(lc, func(ctx context.Context, network, address string, c syscall.RawConn) error {
-
-	lc.Control = func(network, address string, c syscall.RawConn) (err error) {
-		defer func() {
-			if err == nil && chain != nil {
-				err = chain(network, address, c)
-			}
-		}()
-
 		return c.Control(func(fd uintptr) {
 			windows.SetsockoptInt(windows.Handle(fd), windows.SOL_SOCKET, windows.SO_REUSEADDR, 1)
 		})
-	}
+	})
 }

component/dialer/tfo.go

@@ -0,0 +1,123 @@
+package dialer
+
+import (
+	"context"
+	"github.com/sagernet/tfo-go"
+	"io"
+	"net"
+	"time"
+)
+
+type tfoConn struct {
+	net.Conn
+	closed bool
+	dialed chan bool
+	cancel context.CancelFunc
+	ctx    context.Context
+	dialFn func(ctx context.Context, earlyData []byte) (net.Conn, error)
+}
+
+func (c *tfoConn) Dial(earlyData []byte) (err error) {
+	c.Conn, err = c.dialFn(c.ctx, earlyData)
+	if err != nil {
+		return
+	}
+	c.dialed <- true
+	return err
+}
+
+func (c *tfoConn) Read(b []byte) (n int, err error) {
+	if c.closed {
+		return 0, io.ErrClosedPipe
+	}
+	if c.Conn == nil {
+		select {
+		case <-c.ctx.Done():
+			return 0, io.ErrUnexpectedEOF
+		case <-c.dialed:
+		}
+	}
+	return c.Conn.Read(b)
+}
+
+func (c *tfoConn) Write(b []byte) (n int, err error) {
+	if c.closed {
+		return 0, io.ErrClosedPipe
+	}
+	if c.Conn == nil {
+		if err := c.Dial(b); err != nil {
+			return 0, err
+		}
+		return len(b), nil
+	}
+
+	return c.Conn.Write(b)
+}
+
+func (c *tfoConn) Close() error {
+	c.closed = true
+	c.cancel()
+	if c.Conn == nil {
+		return nil
+	}
+	return c.Conn.Close()
+}
+
+func (c *tfoConn) LocalAddr() net.Addr {
+	if c.Conn == nil {
+		return nil
+	}
+	return c.Conn.LocalAddr()
+}
+
+func (c *tfoConn) RemoteAddr() net.Addr {
+	if c.Conn == nil {
+		return nil
+	}
+	return c.Conn.RemoteAddr()
+}
+
+func (c *tfoConn) SetDeadline(t time.Time) error {
+	if err := c.SetReadDeadline(t); err != nil {
+		return err
+	}
+	return c.SetWriteDeadline(t)
+}
+
+func (c *tfoConn) SetReadDeadline(t time.Time) error {
+	if c.Conn == nil {
+		return nil
+	}
+	return c.Conn.SetReadDeadline(t)
+}
+
+func (c *tfoConn) SetWriteDeadline(t time.Time) error {
+	if c.Conn == nil {
+		return nil
+	}
+	return c.Conn.SetWriteDeadline(t)
+}
+
+func (c *tfoConn) Upstream() any {
+	if c.Conn == nil { // ensure return a nil interface not an interface with nil value
+		return nil
+	}
+	return c.Conn
+}
+
+func (c *tfoConn) NeedHandshake() bool {
+	return c.Conn == nil
+}
+
+func dialTFO(ctx context.Context, netDialer net.Dialer, network, address string) (net.Conn, error) {
+	ctx, cancel := context.WithCancel(ctx)
+	dialer := tfo.Dialer{Dialer: netDialer, DisableTFO: false}
+	return &tfoConn{
+		dialed: make(chan bool, 1),
+		cancel: cancel,
+		ctx:    ctx,
+		dialFn: func(ctx context.Context, earlyData []byte) (net.Conn, error) {
+			return dialer.DialContext(ctx, network, address, earlyData)
+		},
+	}, nil
+}

component/ebpf/redir/bpf_bpfeb.go

@@ -41,9 +41,9 @@ func loadBpf() (*ebpf.CollectionSpec, error) {
 //
 // The following types are suitable as obj argument:
 //
-//     *bpfObjects
+//	*bpfObjects
-//     *bpfPrograms
+//	*bpfPrograms
-//     *bpfMaps
+//	*bpfMaps
 //
 // See ebpf.CollectionSpec.LoadAndAssign documentation for details.
 func loadBpfObjects(obj interface{}, opts *ebpf.CollectionOptions) error {
@@ -134,5 +134,6 @@ func _BpfClose(closers ...io.Closer) error {
 }
 
 // Do not access this directly.
+//
 //go:embed bpf_bpfeb.o
 var _BpfBytes []byte

component/ebpf/redir/bpf_bpfel.go

@@ -41,9 +41,9 @@ func loadBpf() (*ebpf.CollectionSpec, error) {
 //
 // The following types are suitable as obj argument:
 //
-//     *bpfObjects
+//	*bpfObjects
-//     *bpfPrograms
+//	*bpfPrograms
-//     *bpfMaps
+//	*bpfMaps
 //
 // See ebpf.CollectionSpec.LoadAndAssign documentation for details.
 func loadBpfObjects(obj interface{}, opts *ebpf.CollectionOptions) error {
@@ -134,5 +134,6 @@ func _BpfClose(closers ...io.Closer) error {
 }
 
 // Do not access this directly.
+//
 //go:embed bpf_bpfel.o
 var _BpfBytes []byte

component/ebpf/tc/bpf_bpfeb.go

@@ -28,9 +28,9 @@ func loadBpf() (*ebpf.CollectionSpec, error) {
 //
 // The following types are suitable as obj argument:
 //
-//     *bpfObjects
+//	*bpfObjects
-//     *bpfPrograms
+//	*bpfPrograms
-//     *bpfMaps
+//	*bpfMaps
 //
 // See ebpf.CollectionSpec.LoadAndAssign documentation for details.
 func loadBpfObjects(obj interface{}, opts *ebpf.CollectionOptions) error {
@@ -115,5 +115,6 @@ func _BpfClose(closers ...io.Closer) error {
 }
 
 // Do not access this directly.
+//
 //go:embed bpf_bpfeb.o
 var _BpfBytes []byte

component/ebpf/tc/bpf_bpfel.go

@@ -28,9 +28,9 @@ func loadBpf() (*ebpf.CollectionSpec, error) {
 //
 // The following types are suitable as obj argument:
 //
-//     *bpfObjects
+//	*bpfObjects
-//     *bpfPrograms
+//	*bpfPrograms
-//     *bpfMaps
+//	*bpfMaps
 //
 // See ebpf.CollectionSpec.LoadAndAssign documentation for details.
 func loadBpfObjects(obj interface{}, opts *ebpf.CollectionOptions) error {
@@ -115,5 +115,6 @@ func _BpfClose(closers ...io.Closer) error {
 }
 
 // Do not access this directly.
+//
 //go:embed bpf_bpfel.o
 var _BpfBytes []byte

component/geodata/geodata.go

@@ -1,13 +1,10 @@
 package geodata
 
 import (
-	"errors"
 	"fmt"
-	C "github.com/Dreamacro/clash/constant"
-	"strings"
 
 	"github.com/Dreamacro/clash/component/geodata/router"
-	"github.com/Dreamacro/clash/log"
+	C "github.com/Dreamacro/clash/constant"
 )
 
 type loader struct {
@@ -15,47 +12,7 @@ type loader struct {
 }
 
 func (l *loader) LoadGeoSite(list string) ([]*router.Domain, error) {
-	return l.LoadGeoSiteWithAttr(C.GeositeName, list)
+	return l.LoadSiteByPath(C.GeositeName, list)
-}
-
-func (l *loader) LoadGeoSiteWithAttr(file string, siteWithAttr string) ([]*router.Domain, error) {
-	parts := strings.Split(siteWithAttr, "@")
-	if len(parts) == 0 {
-		return nil, errors.New("empty rule")
-	}
-	list := strings.TrimSpace(parts[0])
-	attrVal := parts[1:]
-
-	if len(list) == 0 {
-		return nil, fmt.Errorf("empty listname in rule: %s", siteWithAttr)
-	}
-
-	domains, err := l.LoadSiteByPath(file, list)
-	if err != nil {
-		return nil, err
-	}
-
-	attrs := parseAttrs(attrVal)
-	if attrs.IsEmpty() {
-		if strings.Contains(siteWithAttr, "@") {
-			log.Warnln("empty attribute list: %s", siteWithAttr)
-		}
-		return domains, nil
-	}
-
-	filteredDomains := make([]*router.Domain, 0, len(domains))
-	hasAttrMatched := false
-	for _, domain := range domains {
-		if attrs.Match(domain) {
-			hasAttrMatched = true
-			filteredDomains = append(filteredDomains, domain)
-		}
-	}
-	if !hasAttrMatched {
-		log.Warnln("attribute match no rule: geosite: %s", siteWithAttr)
-	}
-
-	return filteredDomains, nil
 }
 
 func (l *loader) LoadGeoIP(country string) ([]*router.CIDR, error) {

component/geodata/geodataproto.go

@@ -14,6 +14,5 @@ type LoaderImplementation interface {
 type Loader interface {
 	LoaderImplementation
 	LoadGeoSite(list string) ([]*router.Domain, error)
-	LoadGeoSiteWithAttr(file string, siteWithAttr string) ([]*router.Domain, error)
 	LoadGeoIP(country string) ([]*router.CIDR, error)
 }

component/geodata/memconservative/cache.go

@@ -118,7 +118,7 @@ func (g GeoSiteCache) Unmarshal(filename, code string) (*router.GeoSite, error)
 
 	case errFailedToReadBytes, errFailedToReadExpectedLenBytes,
 		errInvalidGeodataFile, errInvalidGeodataVarintLength:
-		log.Warnln("failed to decode geoip file: %s%s", filename, ", fallback to the original ReadFile method")
+		log.Warnln("failed to decode geosite file: %s%s", filename, ", fallback to the original ReadFile method")
 		geositeBytes, err = os.ReadFile(asset)
 		if err != nil {
 			return nil, err

component/geodata/utils.go

@@ -1,9 +1,14 @@
 package geodata
 
 import (
+	"errors"
 	"fmt"
+	"golang.org/x/sync/singleflight"
+	"strings"
+
 	"github.com/Dreamacro/clash/component/geodata/router"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/log"
 )
 
 var geoLoaderName = "memconservative"
@@ -34,6 +39,8 @@ func Verify(name string) error {
 	}
 }
 
+var loadGeoSiteMatcherSF = singleflight.Group{}
+
 func LoadGeoSiteMatcher(countryCode string) (*router.DomainMatcher, int, error) {
 	if len(countryCode) == 0 {
 		return nil, 0, fmt.Errorf("country code could not be empty")
@@ -44,16 +51,53 @@ func LoadGeoSiteMatcher(countryCode string) (*router.DomainMatcher, int, error)
 		not = true
 		countryCode = countryCode[1:]
 	}
+	countryCode = strings.ToLower(countryCode)
 
-	geoLoader, err := GetGeoDataLoader(geoLoaderName)
+	parts := strings.Split(countryCode, "@")
-	if err != nil {
+	if len(parts) == 0 {
-		return nil, 0, err
+		return nil, 0, errors.New("empty rule")
+	}
+	listName := strings.TrimSpace(parts[0])
+	attrVal := parts[1:]
+
+	if len(listName) == 0 {
+		return nil, 0, fmt.Errorf("empty listname in rule: %s", countryCode)
 	}
 
-	domains, err := geoLoader.LoadGeoSite(countryCode)
+	v, err, shared := loadGeoSiteMatcherSF.Do(listName, func() (interface{}, error) {
+		geoLoader, err := GetGeoDataLoader(geoLoaderName)
+		if err != nil {
+			return nil, err
+		}
+		return geoLoader.LoadGeoSite(listName)
+	})
 	if err != nil {
+		if !shared {
+			loadGeoSiteMatcherSF.Forget(listName) // don't store the error result
+		}
 		return nil, 0, err
 	}
+	domains := v.([]*router.Domain)
+
+	attrs := parseAttrs(attrVal)
+	if attrs.IsEmpty() {
+		if strings.Contains(countryCode, "@") {
+			log.Warnln("empty attribute list: %s", countryCode)
+		}
+	} else {
+		filteredDomains := make([]*router.Domain, 0, len(domains))
+		hasAttrMatched := false
+		for _, domain := range domains {
+			if attrs.Match(domain) {
+				hasAttrMatched = true
+				filteredDomains = append(filteredDomains, domain)
+			}
+		}
+		if !hasAttrMatched {
+			log.Warnln("attribute match no rule: geosite: %s", countryCode)
+		}
+		domains = filteredDomains
+	}
 
 	/**
 	linear: linear algorithm
@@ -68,25 +112,34 @@ func LoadGeoSiteMatcher(countryCode string) (*router.DomainMatcher, int, error)
 	return matcher, len(domains), nil
 }
 
+var loadGeoIPMatcherSF = singleflight.Group{}
+
 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
-	}
 
 	not := false
 	if country[0] == '!' {
 		not = true
 		country = country[1:]
 	}
+	country = strings.ToLower(country)
 
-	records, err := geoLoader.LoadGeoIP(country)
+	v, err, shared := loadGeoIPMatcherSF.Do(country, func() (interface{}, error) {
+		geoLoader, err := GetGeoDataLoader(geoLoaderName)
+		if err != nil {
+			return nil, err
+		}
+		return geoLoader.LoadGeoIP(country)
+	})
 	if err != nil {
+		if !shared {
+			loadGeoIPMatcherSF.Forget(country) // don't store the error result
+		}
 		return nil, 0, err
 	}
+	records := v.([]*router.CIDR)
 
 	geoIP := &router.GeoIP{
 		CountryCode:  country,
@@ -98,6 +151,10 @@ func LoadGeoIPMatcher(country string) (*router.GeoIPMatcher, int, error) {
 	if err != nil {
 		return nil, 0, err
 	}
-
 	return matcher, len(records), nil
 }
+
+func ClearCache() {
+	loadGeoSiteMatcherSF = singleflight.Group{}
+	loadGeoIPMatcherSF = singleflight.Group{}
+}

component/http/http.go

@@ -2,18 +2,19 @@ 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"
+
+	"github.com/Dreamacro/clash/component/tls"
+	"github.com/Dreamacro/clash/listener/inner"
 )
 
 const (
-	UA = "Clash"
+	UA = "clash.meta"
 )
 
 func HttpRequest(ctx context.Context, url, method string, header map[string][]string, body io.Reader) (*http.Response, error) {
@@ -52,7 +53,7 @@ func HttpRequest(ctx context.Context, url, method string, header map[string][]st
 		TLSHandshakeTimeout:   10 * time.Second,
 		ExpectContinueTimeout: 1 * time.Second,
 		DialContext: func(ctx context.Context, network, address string) (net.Conn, error) {
-			conn := inner.HandleTcp(address, urlRes.Hostname())
+			conn := inner.HandleTcp(address, "")
 			return conn, nil
 		},
 		TLSClientConfig: tls.GetDefaultTLSConfig(),

component/nat/table.go

@@ -1,6 +1,7 @@
 package nat
 
 import (
+	"net"
 	"sync"
 
 	C "github.com/Dreamacro/clash/constant"
@@ -10,16 +11,24 @@ type Table struct {
 	mapping sync.Map
 }
 
-func (t *Table) Set(key string, pc C.PacketConn) {
+type Entry struct {
-	t.mapping.Store(key, pc)
+	PacketConn      C.PacketConn
+	LocalUDPConnMap sync.Map
+}
+
+func (t *Table) Set(key string, e C.PacketConn) {
+	t.mapping.Store(key, &Entry{
+		PacketConn:      e,
+		LocalUDPConnMap: sync.Map{},
+	})
 }
 
 func (t *Table) Get(key string) C.PacketConn {
-	item, exist := t.mapping.Load(key)
+	entry, exist := t.getEntry(key)
 	if !exist {
 		return nil
 	}
-	return item.(C.PacketConn)
+	return entry.PacketConn
 }
 
 func (t *Table) GetOrCreateLock(key string) (*sync.Cond, bool) {
@@ -31,6 +40,62 @@ func (t *Table) Delete(key string) {
 	t.mapping.Delete(key)
 }
 
+func (t *Table) GetLocalConn(lAddr, rAddr string) *net.UDPConn {
+	entry, exist := t.getEntry(lAddr)
+	if !exist {
+		return nil
+	}
+	item, exist := entry.LocalUDPConnMap.Load(rAddr)
+	if !exist {
+		return nil
+	}
+	return item.(*net.UDPConn)
+}
+
+func (t *Table) AddLocalConn(lAddr, rAddr string, conn *net.UDPConn) bool {
+	entry, exist := t.getEntry(lAddr)
+	if !exist {
+		return false
+	}
+	entry.LocalUDPConnMap.Store(rAddr, conn)
+	return true
+}
+
+func (t *Table) RangeLocalConn(lAddr string, f func(key, value any) bool) {
+	entry, exist := t.getEntry(lAddr)
+	if !exist {
+		return
+	}
+	entry.LocalUDPConnMap.Range(f)
+}
+
+func (t *Table) GetOrCreateLockForLocalConn(lAddr, key string) (*sync.Cond, bool) {
+	entry, loaded := t.getEntry(lAddr)
+	if !loaded {
+		return nil, false
+	}
+	item, loaded := entry.LocalUDPConnMap.LoadOrStore(key, sync.NewCond(&sync.Mutex{}))
+	return item.(*sync.Cond), loaded
+}
+
+func (t *Table) DeleteLocalConnMap(lAddr, key string) {
+	entry, loaded := t.getEntry(lAddr)
+	if !loaded {
+		return
+	}
+	entry.LocalUDPConnMap.Delete(key)
+}
+
+func (t *Table) getEntry(key string) (*Entry, bool) {
+	item, ok := t.mapping.Load(key)
+	// This should not happen usually since this function called after PacketConn created
+	if !ok {
+		return nil, false
+	}
+	entry, ok := item.(*Entry)
+	return entry, ok
+}
+
 // New return *Cache
 func New() *Table {
 	return &Table{}

component/process/process.go

@@ -16,14 +16,6 @@ const (
 	UDP = "udp"
 )
 
-func FindProcessName(network string, srcIP netip.Addr, srcPort int) (*uint32, string, error) {
+func FindProcessName(network string, srcIP netip.Addr, srcPort int) (uint32, string, error) {
 	return findProcessName(network, srcIP, srcPort)
 }
-
-func FindUid(network string, srcIP netip.Addr, srcPort int) (*uint32, error) {
-	_, uid, err := resolveSocketByNetlink(network, srcIP, srcPort)
-	if err != nil {
-		return nil, err
-	}
-	return &uid, nil
-}

component/process/process_darwin.go

@@ -33,11 +33,7 @@ var structSize = func() int {
 	}
 }()
 
-func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (uint32, uint32, error) {
+func findProcessName(network string, ip netip.Addr, port int) (uint32, string, error) {
-	return 0, 0, ErrPlatformNotSupport
-}
-
-func findProcessName(network string, ip netip.Addr, port int) (*uint32, string, error) {
 	var spath string
 	switch network {
 	case TCP:
@@ -45,14 +41,14 @@ func findProcessName(network string, ip netip.Addr, port int) (*uint32, string,
 	case UDP:
 		spath = "net.inet.udp.pcblist_n"
 	default:
-		return nil, "", ErrInvalidNetwork
+		return 0, "", ErrInvalidNetwork
 	}
 
 	isIPv4 := ip.Is4()
 
 	value, err := syscall.Sysctl(spath)
 	if err != nil {
-		return nil, "", err
+		return 0, "", err
 	}
 
 	buf := []byte(value)
@@ -96,7 +92,7 @@ func findProcessName(network string, ip netip.Addr, port int) (*uint32, string,
 			// xsocket_n.so_last_pid
 			pid := readNativeUint32(buf[so+68 : so+72])
 			pp, err := getExecPathFromPID(pid)
-			return nil, pp, err
+			return 0, pp, err
 		}
 
 		// udp packet connection may be not equal with srcIP
@@ -106,10 +102,10 @@ func findProcessName(network string, ip netip.Addr, port int) (*uint32, string,
 	}
 
 	if network == UDP && fallbackUDPProcess != "" {
-		return nil, fallbackUDPProcess, nil
+		return 0, fallbackUDPProcess, nil
 	}
 
-	return nil, "", ErrNotFound
+	return 0, "", ErrNotFound
 }
 
 func getExecPathFromPID(pid uint32) (string, error) {

component/process/process_freebsd_amd64.go

@@ -21,11 +21,7 @@ var (
 	once sync.Once
 )
 
-func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (uint32, uint32, error) {
+func findProcessName(network string, ip netip.Addr, srcPort int) (uint32, string, error) {
-	return 0, 0, ErrPlatformNotSupport
-}
-
-func findProcessName(network string, ip netip.Addr, srcPort int) (*uint32, string, error) {
 	once.Do(func() {
 		if err := initSearcher(); err != nil {
 			log.Errorln("Initialize PROCESS-NAME failed: %s", err.Error())
@@ -35,7 +31,7 @@ func findProcessName(network string, ip netip.Addr, srcPort int) (*uint32, strin
 	})
 
 	if defaultSearcher == nil {
-		return nil, "", ErrPlatformNotSupport
+		return 0, "", ErrPlatformNotSupport
 	}
 
 	var spath string
@@ -46,22 +42,22 @@ func findProcessName(network string, ip netip.Addr, srcPort int) (*uint32, strin
 	case UDP:
 		spath = "net.inet.udp.pcblist"
 	default:
-		return nil, "", ErrInvalidNetwork
+		return 0, "", ErrInvalidNetwork
 	}
 
 	value, err := syscall.Sysctl(spath)
 	if err != nil {
-		return nil, "", err
+		return 0, "", err
 	}
 
 	buf := []byte(value)
 	pid, err := defaultSearcher.Search(buf, ip, uint16(srcPort), isTCP)
 	if err != nil {
-		return nil, "", err
+		return 0, "", err
 	}
 
 	pp, err := getExecPathFromPID(pid)
-	return nil, pp, err
+	return 0, pp, err
 }
 
 func getExecPathFromPID(pid uint32) (string, error) {

component/process/process_linux.go

@@ -59,14 +59,14 @@ type inetDiagResponse struct {
 	INode   uint32
 }
 
-func findProcessName(network string, ip netip.Addr, srcPort int) (*uint32, string, error) {
+func findProcessName(network string, ip netip.Addr, srcPort int) (uint32, string, error) {
-	inode, uid, err := resolveSocketByNetlink(network, ip, srcPort)
+	uid, inode, err := resolveSocketByNetlink(network, ip, srcPort)
 	if err != nil {
-		return nil, "", err
+		return 0, "", err
 	}
 
 	pp, err := resolveProcessNameByProcSearch(inode, uid)
-	return &uid, pp, err
+	return uid, pp, err
 }
 
 func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (uint32, uint32, error) {
@@ -119,7 +119,7 @@ func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (uint32,
 
 		response := (*inetDiagResponse)(unsafe.Pointer(&msg.Data[0]))
 
-		return response.INode, response.UID, nil
+		return response.UID, response.INode, nil
 	}
 
 	return 0, 0, ErrNotFound

component/process/process_other.go

@@ -4,8 +4,8 @@ package process
 
 import "net/netip"
 
-func findProcessName(network string, ip netip.Addr, srcPort int) (*uint32, string, error) {
+func findProcessName(network string, ip netip.Addr, srcPort int) (uint32, string, error) {
-	return nil, "", ErrPlatformNotSupport
+	return 0, "", ErrPlatformNotSupport
 }
 
 func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (uint32, uint32, error) {

component/process/process_windows.go

@@ -62,7 +62,7 @@ func initWin32API() error {
 	return nil
 }
 
-func findProcessName(network string, ip netip.Addr, srcPort int) (*uint32, string, error) {
+func findProcessName(network string, ip netip.Addr, srcPort int) (uint32, string, error) {
 	once.Do(func() {
 		err := initWin32API()
 		if err != nil {
@@ -86,22 +86,22 @@ func findProcessName(network string, ip netip.Addr, srcPort int) (*uint32, strin
 		fn = getExUDPTable
 		class = udpTablePid
 	default:
-		return nil, "", ErrInvalidNetwork
+		return 0, "", ErrInvalidNetwork
 	}
 
 	buf, err := getTransportTable(fn, family, class)
 	if err != nil {
-		return nil, "", err
+		return 0, "", err
 	}
 
 	s := newSearcher(family == windows.AF_INET, network == TCP)
 
 	pid, err := s.Search(buf, ip, uint16(srcPort))
 	if err != nil {
-		return nil, "", err
+		return 0, "", err
 	}
 	pp, err := getExecPathFromPID(pid)
-	return nil, pp, err
+	return 0, pp, err
 }
 
 type searcher struct {

component/resolver/host.go

@@ -0,0 +1,113 @@
+package resolver
+
+import (
+	"errors"
+	"net/netip"
+	"strings"
+
+	"github.com/Dreamacro/clash/common/utils"
+	"github.com/Dreamacro/clash/component/trie"
+	"github.com/zhangyunhao116/fastrand"
+)
+
+type Hosts struct {
+	*trie.DomainTrie[HostValue]
+}
+
+func NewHosts(hosts *trie.DomainTrie[HostValue]) Hosts {
+	return Hosts{
+		hosts,
+	}
+}
+
+// Return the search result and whether to match the parameter `isDomain`
+func (h *Hosts) Search(domain string, isDomain bool) (*HostValue, bool) {
+	value := h.DomainTrie.Search(domain)
+	if value == nil {
+		return nil, false
+	}
+	hostValue := value.Data()
+	for {
+		if isDomain && hostValue.IsDomain {
+			return &hostValue, true
+		} else {
+			if node := h.DomainTrie.Search(hostValue.Domain); node != nil {
+				hostValue = node.Data()
+			} else {
+				break
+			}
+		}
+	}
+	if isDomain == hostValue.IsDomain {
+		return &hostValue, true
+	}
+	return &hostValue, false
+}
+
+type HostValue struct {
+	IsDomain bool
+	IPs      []netip.Addr
+	Domain   string
+}
+
+func NewHostValue(value any) (HostValue, error) {
+	isDomain := true
+	ips := make([]netip.Addr, 0)
+	domain := ""
+	if valueArr, err := utils.ToStringSlice(value); err != nil {
+		return HostValue{}, err
+	} else {
+		if len(valueArr) > 1 {
+			isDomain = false
+			for _, str := range valueArr {
+				if ip, err := netip.ParseAddr(str); err == nil {
+					ips = append(ips, ip)
+				} else {
+					return HostValue{}, err
+				}
+			}
+		} else if len(valueArr) == 1 {
+			host := valueArr[0]
+			if ip, err := netip.ParseAddr(host); err == nil {
+				ips = append(ips, ip)
+				isDomain = false
+			} else {
+				domain = host
+			}
+		}
+	}
+	if isDomain {
+		return NewHostValueByDomain(domain)
+	} else {
+		return NewHostValueByIPs(ips)
+	}
+}
+
+func NewHostValueByIPs(ips []netip.Addr) (HostValue, error) {
+	if len(ips) == 0 {
+		return HostValue{}, errors.New("ip list is empty")
+	}
+	return HostValue{
+		IsDomain: false,
+		IPs:      ips,
+	}, nil
+}
+
+func NewHostValueByDomain(domain string) (HostValue, error) {
+	domain = strings.Trim(domain, ".")
+	item := strings.Split(domain, ".")
+	if len(item) < 2 {
+		return HostValue{}, errors.New("invaild domain")
+	}
+	return HostValue{
+		IsDomain: true,
+		Domain:   domain,
+	}, nil
+}
+
+func (hv HostValue) RandIP() (netip.Addr, error) {
+	if hv.IsDomain {
+		return netip.Addr{}, errors.New("value type is error")
+	}
+	return hv.IPs[fastrand.Intn(len(hv.IPs))], nil
+}

component/resolver/resolver.go

@@ -4,13 +4,16 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"math/rand"
 	"net"
 	"net/netip"
 	"strings"
 	"time"
 
+	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/component/trie"
+
+	"github.com/miekg/dns"
+	"github.com/zhangyunhao116/fastrand"
 )
 
 var (
@@ -25,7 +28,7 @@ var (
 	DisableIPv6 = true
 
 	// DefaultHosts aim to resolve hosts
-	DefaultHosts = trie.New[netip.Addr]()
+	DefaultHosts = NewHosts(trie.New[HostValue]())
 
 	// DefaultDNSTimeout defined the default dns request timeout
 	DefaultDNSTimeout = time.Second * 5
@@ -44,13 +47,16 @@ type Resolver interface {
 	ResolveIP(ctx context.Context, host string) (ip netip.Addr, err error)
 	ResolveIPv4(ctx context.Context, host string) (ip netip.Addr, err error)
 	ResolveIPv6(ctx context.Context, host string) (ip netip.Addr, err error)
+	ExchangeContext(ctx context.Context, m *dns.Msg) (msg *dns.Msg, err error)
 }
 
 // LookupIPv4WithResolver same as LookupIPv4, but with a resolver
 func LookupIPv4WithResolver(ctx context.Context, host string, r Resolver) ([]netip.Addr, error) {
-	if node := DefaultHosts.Search(host); node != nil {
+	if node, ok := DefaultHosts.Search(host, false); ok {
-		if ip := node.Data(); ip.Is4() {
+		if addrs := utils.Filter(node.IPs, func(ip netip.Addr) bool {
-			return []netip.Addr{node.Data()}, nil
+			return ip.Is4()
+		}); len(addrs) > 0 {
+			return addrs, nil
 		}
 	}
 
@@ -66,10 +72,6 @@ func LookupIPv4WithResolver(ctx context.Context, host string, r Resolver) ([]net
 		return r.LookupIPv4(ctx, host)
 	}
 
-	if DefaultResolver != nil {
-		return DefaultResolver.LookupIPv4(ctx, host)
-	}
-
 	ipAddrs, err := net.DefaultResolver.LookupNetIP(ctx, "ip4", host)
 	if err != nil {
 		return nil, err
@@ -93,7 +95,7 @@ func ResolveIPv4WithResolver(ctx context.Context, host string, r Resolver) (neti
 	} else if len(ips) == 0 {
 		return netip.Addr{}, fmt.Errorf("%w: %s", ErrIPNotFound, host)
 	}
-	return ips[rand.Intn(len(ips))], nil
+	return ips[fastrand.Intn(len(ips))], nil
 }
 
 // ResolveIPv4 with a host, return ipv4
@@ -107,9 +109,11 @@ func LookupIPv6WithResolver(ctx context.Context, host string, r Resolver) ([]net
 		return nil, ErrIPv6Disabled
 	}
 
-	if node := DefaultHosts.Search(host); node != nil {
+	if node, ok := DefaultHosts.Search(host, false); ok {
-		if ip := node.Data(); ip.Is6() {
+		if addrs := utils.Filter(node.IPs, func(ip netip.Addr) bool {
-			return []netip.Addr{ip}, nil
+			return ip.Is6()
+		}); len(addrs) > 0 {
+			return addrs, nil
 		}
 	}
 
@@ -123,9 +127,6 @@ func LookupIPv6WithResolver(ctx context.Context, host string, r Resolver) ([]net
 	if r != nil {
 		return r.LookupIPv6(ctx, host)
 	}
-	if DefaultResolver != nil {
-		return DefaultResolver.LookupIPv6(ctx, host)
-	}
 
 	ipAddrs, err := net.DefaultResolver.LookupNetIP(ctx, "ip6", host)
 	if err != nil {
@@ -150,7 +151,7 @@ func ResolveIPv6WithResolver(ctx context.Context, host string, r Resolver) (neti
 	} else if len(ips) == 0 {
 		return netip.Addr{}, fmt.Errorf("%w: %s", ErrIPNotFound, host)
 	}
-	return ips[rand.Intn(len(ips))], nil
+	return ips[fastrand.Intn(len(ips))], nil
 }
 
 func ResolveIPv6(ctx context.Context, host string) (netip.Addr, error) {
@@ -159,8 +160,8 @@ func ResolveIPv6(ctx context.Context, host string) (netip.Addr, error) {
 
 // LookupIPWithResolver same as LookupIP, but with a resolver
 func LookupIPWithResolver(ctx context.Context, host string, r Resolver) ([]netip.Addr, error) {
-	if node := DefaultHosts.Search(host); node != nil {
+	if node, ok := DefaultHosts.Search(host, false); ok {
-		return []netip.Addr{node.Data()}, nil
+		return node.IPs, nil
 	}
 
 	if r != nil {
@@ -169,7 +170,7 @@ func LookupIPWithResolver(ctx context.Context, host string, r Resolver) ([]netip
 		}
 		return r.LookupIP(ctx, host)
 	} else if DisableIPv6 {
-		return LookupIPv4(ctx, host)
+		return LookupIPv4WithResolver(ctx, host, r)
 	}
 
 	if ip, err := netip.ParseAddr(host); err == nil {
@@ -199,7 +200,7 @@ func ResolveIPWithResolver(ctx context.Context, host string, r Resolver) (netip.
 	} else if len(ips) == 0 {
 		return netip.Addr{}, fmt.Errorf("%w: %s", ErrIPNotFound, host)
 	}
-	return ips[rand.Intn(len(ips))], nil
+	return ips[fastrand.Intn(len(ips))], nil
 }
 
 // ResolveIP with a host, return ip

component/resource/fetcher.go

@@ -57,7 +57,7 @@ func (f *Fetcher[V]) Initial() (V, error) {
 		f.UpdatedAt = &modTime
 		isLocal = true
 		if f.interval != 0 && modTime.Add(f.interval).Before(time.Now()) {
-			log.Infoln("[Provider] %s not updated for a long time, force refresh", f.Name())
+			log.Warnln("[Provider] %s not updated for a long time, force refresh", f.Name())
 			forceUpdate = true
 		}
 	} else {
@@ -162,7 +162,7 @@ func (f *Fetcher[V]) pullLoop() {
 		case <-f.ticker.C:
 			elm, same, err := f.Update()
 			if err != nil {
-				log.Warnln("[Provider] %s pull error: %s", f.Name(), err.Error())
+				log.Errorln("[Provider] %s pull error: %s", f.Name(), err.Error())
 				continue
 			}
 

component/sniffer/base_sniffer.go

@@ -0,0 +1,53 @@
+package sniffer
+
+import (
+	"errors"
+
+	"github.com/Dreamacro/clash/common/utils"
+	"github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/constant/sniffer"
+)
+
+type SnifferConfig struct {
+	OverrideDest bool
+	Ports        []utils.Range[uint16]
+}
+
+type BaseSniffer struct {
+	ports              []utils.Range[uint16]
+	supportNetworkType constant.NetWork
+}
+
+// Protocol implements sniffer.Sniffer
+func (*BaseSniffer) Protocol() string {
+	return "unknown"
+}
+
+// SniffTCP implements sniffer.Sniffer
+func (*BaseSniffer) SniffTCP(bytes []byte) (string, error) {
+	return "", errors.New("TODO")
+}
+
+// SupportNetwork implements sniffer.Sniffer
+func (bs *BaseSniffer) SupportNetwork() constant.NetWork {
+	return bs.supportNetworkType
+}
+
+// SupportPort implements sniffer.Sniffer
+func (bs *BaseSniffer) SupportPort(port uint16) bool {
+	for _, portRange := range bs.ports {
+		if portRange.Contains(port) {
+			return true
+		}
+	}
+	return false
+}
+
+func NewBaseSniffer(ports []utils.Range[uint16], networkType constant.NetWork) *BaseSniffer {
+	return &BaseSniffer{
+		ports:              ports,
+		supportNetworkType: networkType,
+	}
+}
+
+var _ sniffer.Sniffer = (*BaseSniffer)(nil)

component/sniffer/dispatcher.go

@@ -11,7 +11,6 @@ import (
 
 	"github.com/Dreamacro/clash/common/cache"
 	N "github.com/Dreamacro/clash/common/net"
-	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/component/trie"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/sniffer"
@@ -27,26 +26,17 @@ var (
 var Dispatcher *SnifferDispatcher
 
 type SnifferDispatcher struct {
-	enable bool
+	enable          bool
-
+	sniffers        map[sniffer.Sniffer]SnifferConfig
-	sniffers []sniffer.Sniffer
+	forceDomain     *trie.DomainTrie[struct{}]
-
+	skipSNI         *trie.DomainTrie[struct{}]
-	forceDomain *trie.DomainTrie[struct{}]
+	skipList        *cache.LruCache[string, uint8]
-	skipSNI     *trie.DomainTrie[struct{}]
+	rwMux           sync.RWMutex
-	portRanges  *[]utils.Range[uint16]
-	skipList    *cache.LruCache[string, uint8]
-	rwMux       sync.RWMutex
-
 	forceDnsMapping bool
 	parsePureIp     bool
 }
 
-func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
+func (sd *SnifferDispatcher) TCPSniff(conn *N.BufferedConn, metadata *C.Metadata) {
-	bufConn, ok := conn.(*N.BufferedConn)
-	if !ok {
-		return
-	}
-
 	if (metadata.Host == "" && sd.parsePureIp) || sd.forceDomain.Search(metadata.Host) != nil || (metadata.DNSMode == C.DNSMapping && sd.forceDnsMapping) {
 		port, err := strconv.ParseUint(metadata.DstPort, 10, 16)
 		if err != nil {
@@ -55,10 +45,14 @@ func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
 		}
 
 		inWhitelist := false
-		for _, portRange := range *sd.portRanges {
+		overrideDest := false
-			if portRange.Contains(uint16(port)) {
+		for sniffer, config := range sd.sniffers {
-				inWhitelist = true
+			if sniffer.SupportNetwork() == C.TCP || sniffer.SupportNetwork() == C.ALLNet {
-				break
+				inWhitelist = sniffer.SupportPort(uint16(port))
+				if inWhitelist {
+					overrideDest = config.OverrideDest
+					break
+				}
 			}
 		}
 
@@ -75,7 +69,7 @@ func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
 		}
 		sd.rwMux.RUnlock()
 
-		if host, err := sd.sniffDomain(bufConn, metadata); err != nil {
+		if host, err := sd.sniffDomain(conn, metadata); err != nil {
 			sd.cacheSniffFailed(metadata)
 			log.Debugln("[Sniffer] All sniffing sniff failed with from [%s:%s] to [%s:%s]", metadata.SrcIP, metadata.SrcPort, metadata.String(), metadata.DstPort)
 			return
@@ -89,31 +83,21 @@ func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
 			sd.skipList.Delete(dst)
 			sd.rwMux.RUnlock()
 
-			sd.replaceDomain(metadata, host)
+			sd.replaceDomain(metadata, host, overrideDest)
 		}
 	}
 }
 
-func (sd *SnifferDispatcher) replaceDomain(metadata *C.Metadata, host string) {
+func (sd *SnifferDispatcher) replaceDomain(metadata *C.Metadata, host string, overrideDest bool) {
-	dstIP := ""
+	metadata.SniffHost = host
-	if metadata.DstIP.IsValid() {
+	if overrideDest {
-		dstIP = metadata.DstIP.String()
+		metadata.Host = host
 	}
-	originHost := metadata.Host
-	if originHost != host {
-		log.Infoln("[Sniffer] Sniff TCP [%s:%s]-->[%s:%s] success, replace domain [%s]-->[%s]",
-			metadata.SrcIP, metadata.SrcPort,
-			dstIP, metadata.DstPort,
-			metadata.Host, host)
-	} else {
-		log.Debugln("[Sniffer] Sniff TCP [%s:%s]-->[%s:%s] success, replace domain [%s]-->[%s]",
-			metadata.SrcIP, metadata.SrcPort,
-			dstIP, metadata.DstPort,
-			metadata.Host, host)
-	}
-
-	metadata.Host = host
 	metadata.DNSMode = C.DNSNormal
+	log.Debugln("[Sniffer] Sniff TCP [%s]-->[%s] success, replace domain [%s]-->[%s]",
+		metadata.SourceDetail(),
+		metadata.RemoteAddress(),
+		metadata.Host, host)
 }
 
 func (sd *SnifferDispatcher) Enable() bool {
@@ -121,7 +105,7 @@ func (sd *SnifferDispatcher) Enable() bool {
 }
 
 func (sd *SnifferDispatcher) sniffDomain(conn *N.BufferedConn, metadata *C.Metadata) (string, error) {
-	for _, s := range sd.sniffers {
+	for s := range sd.sniffers {
 		if s.SupportNetwork() == C.TCP {
 			_ = conn.SetReadDeadline(time.Now().Add(1 * time.Second))
 			_, err := conn.Peek(1)
@@ -182,38 +166,37 @@ func NewCloseSnifferDispatcher() (*SnifferDispatcher, error) {
 	return &dispatcher, nil
 }
 
-func NewSnifferDispatcher(needSniffer []sniffer.Type, forceDomain *trie.DomainTrie[struct{}],
+func NewSnifferDispatcher(snifferConfig map[sniffer.Type]SnifferConfig, forceDomain *trie.DomainTrie[struct{}],
-	skipSNI *trie.DomainTrie[struct{}], ports *[]utils.Range[uint16],
+	skipSNI *trie.DomainTrie[struct{}],
 	forceDnsMapping bool, parsePureIp bool) (*SnifferDispatcher, error) {
 	dispatcher := SnifferDispatcher{
 		enable:          true,
 		forceDomain:     forceDomain,
 		skipSNI:         skipSNI,
-		portRanges:      ports,
+		skipList:        cache.New(cache.WithSize[string, uint8](128), cache.WithAge[string, uint8](600)),
-		skipList:        cache.New[string, uint8](cache.WithSize[string, uint8](128), cache.WithAge[string, uint8](600)),
 		forceDnsMapping: forceDnsMapping,
 		parsePureIp:     parsePureIp,
+		sniffers:        make(map[sniffer.Sniffer]SnifferConfig, 0),
 	}
 
-	for _, snifferName := range needSniffer {
+	for snifferName, config := range snifferConfig {
-		s, err := NewSniffer(snifferName)
+		s, err := NewSniffer(snifferName, config)
 		if err != nil {
 			log.Errorln("Sniffer name[%s] is error", snifferName)
 			return &SnifferDispatcher{enable: false}, err
 		}
-
+		dispatcher.sniffers[s] = config
-		dispatcher.sniffers = append(dispatcher.sniffers, s)
 	}
 
 	return &dispatcher, nil
 }
 
-func NewSniffer(name sniffer.Type) (sniffer.Sniffer, error) {
+func NewSniffer(name sniffer.Type, snifferConfig SnifferConfig) (sniffer.Sniffer, error) {
 	switch name {
 	case sniffer.TLS:
-		return &TLSSniffer{}, nil
+		return NewTLSSniffer(snifferConfig)
 	case sniffer.HTTP:
-		return &HTTPSniffer{}, nil
+		return NewHTTPSniffer(snifferConfig)
 	default:
 		return nil, ErrorUnsupportedSniffer
 	}

component/sniffer/http_sniffer.go

@@ -7,7 +7,9 @@ import (
 	"net"
 	"strings"
 
+	"github.com/Dreamacro/clash/common/utils"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/constant/sniffer"
 )
 
 var (
@@ -24,10 +26,25 @@ const (
 )
 
 type HTTPSniffer struct {
+	*BaseSniffer
 	version version
 	host    string
 }
 
+var _ sniffer.Sniffer = (*HTTPSniffer)(nil)
+
+func NewHTTPSniffer(snifferConfig SnifferConfig) (*HTTPSniffer, error) {
+	ports := make([]utils.Range[uint16], 0)
+	if len(snifferConfig.Ports) == 0 {
+		ports = append(ports, *utils.NewRange[uint16](80, 80))
+	} else {
+		ports = append(ports, snifferConfig.Ports...)
+	}
+	return &HTTPSniffer{
+		BaseSniffer: NewBaseSniffer(ports, C.TCP),
+	}, nil
+}
+
 func (http *HTTPSniffer) Protocol() string {
 	switch http.version {
 	case HTTP1:

component/sniffer/tls_sniffer.go

@@ -5,7 +5,9 @@ import (
 	"errors"
 	"strings"
 
+	"github.com/Dreamacro/clash/common/utils"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/constant/sniffer"
 )
 
 var (
@@ -13,7 +15,22 @@ var (
 	errNotClientHello = errors.New("not client hello")
 )
 
+var _ sniffer.Sniffer = (*TLSSniffer)(nil)
+
 type TLSSniffer struct {
+	*BaseSniffer
+}
+
+func NewTLSSniffer(snifferConfig SnifferConfig) (*TLSSniffer, error) {
+	ports := make([]utils.Range[uint16], 0)
+	if len(snifferConfig.Ports) == 0 {
+		ports = append(ports, *utils.NewRange[uint16](443, 443))
+	} else {
+		ports = append(ports, snifferConfig.Ports...)
+	}
+	return &TLSSniffer{
+		BaseSniffer: NewBaseSniffer(ports, C.TCP),
+	}, nil
 }
 
 func (tls *TLSSniffer) Protocol() string {

component/tls/config.go

@@ -6,75 +6,81 @@ import (
 	"crypto/tls"
 	"crypto/x509"
 	"encoding/hex"
+	"errors"
 	"fmt"
-	xtls "github.com/xtls/go"
+	"strings"
 	"sync"
-	"time"
+
+	xtls "github.com/xtls/go"
 )
 
-var globalFingerprints = make([][32]byte, 0, 0)
+var trustCerts []*x509.Certificate
-var mutex sync.Mutex
 
-func verifyPeerCertificateAndFingerprints(fingerprints *[][32]byte, insecureSkipVerify bool) func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
+var mutex sync.RWMutex
-	return func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
+var errNotMacth error = errors.New("certificate fingerprints do not match")
-		if insecureSkipVerify {
+
-			return nil
+func AddCertificate(certificate string) error {
+	mutex.Lock()
+	defer mutex.Unlock()
+	if certificate == "" {
+		return fmt.Errorf("certificate is empty")
+	}
+	if cert, err := x509.ParseCertificate([]byte(certificate)); err == nil {
+		trustCerts = append(trustCerts, cert)
+		return nil
+	} else {
+		return fmt.Errorf("add certificate failed")
+	}
+}
+
+func ResetCertificate() {
+	mutex.Lock()
+	defer mutex.Unlock()
+	trustCerts = nil
+}
+
+func getCertPool() *x509.CertPool {
+	certPool, err := x509.SystemCertPool()
+	if err == nil {
+		for _, cert := range trustCerts {
+			certPool.AddCert(cert)
 		}
+	}
+	return certPool
+}
 
-		var preErr error
+func verifyFingerprint(fingerprint *[32]byte) func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
+	return func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
+		// ssl pining
 		for i := range rawCerts {
 			rawCert := rawCerts[i]
 			cert, err := x509.ParseCertificate(rawCert)
 			if err == nil {
-				opts := x509.VerifyOptions{
+				hash := sha256.Sum256(cert.Raw)
-					CurrentTime: time.Now(),
+				if bytes.Equal(fingerprint[:], hash[:]) {
-				}
-
-				if _, err := cert.Verify(opts); err == nil {
 					return nil
-				} else {
-					fingerprint := sha256.Sum256(cert.Raw)
-					for _, fp := range *fingerprints {
-						if bytes.Equal(fingerprint[:], fp[:]) {
-							return nil
-						}
-					}
-
-					preErr = err
 				}
 			}
 		}
-
+		return errNotMacth
-		return preErr
 	}
 }
 
-func AddCertFingerprint(fingerprint string) error {
-	fpByte, err2 := convertFingerprint(fingerprint)
-	if err2 != nil {
-		return err2
-	}
-
-	mutex.Lock()
-	globalFingerprints = append(globalFingerprints, *fpByte)
-	mutex.Unlock()
-	return nil
-}
-
 func convertFingerprint(fingerprint string) (*[32]byte, error) {
+	fingerprint = strings.TrimSpace(strings.Replace(fingerprint, ":", "", -1))
 	fpByte, err := hex.DecodeString(fingerprint)
 	if err != nil {
 		return nil, err
 	}
 
 	if len(fpByte) != 32 {
-		return nil, fmt.Errorf("fingerprint string length error,need sha25 fingerprint")
+		return nil, fmt.Errorf("fingerprint string length error,need sha256 fingerprint")
 	}
 	return (*[32]byte)(fpByte), nil
 }
 
 func GetDefaultTLSConfig() *tls.Config {
-	return GetGlobalFingerprintTLCConfig(nil)
+	return GetGlobalTLSConfig(nil)
 }
 
 // GetSpecifiedFingerprintTLSConfig specified fingerprint
@@ -82,29 +88,21 @@ func GetSpecifiedFingerprintTLSConfig(tlsConfig *tls.Config, fingerprint string)
 	if fingerprintBytes, err := convertFingerprint(fingerprint); err != nil {
 		return nil, err
 	} else {
-		if tlsConfig == nil {
+		tlsConfig = GetGlobalTLSConfig(tlsConfig)
-			return &tls.Config{
+		tlsConfig.VerifyPeerCertificate = verifyFingerprint(fingerprintBytes)
-				InsecureSkipVerify:    true,
+		tlsConfig.InsecureSkipVerify = true
-				VerifyPeerCertificate: verifyPeerCertificateAndFingerprints(&[][32]byte{*fingerprintBytes}, false),
+		return tlsConfig, nil
-			}, nil
-		} else {
-			tlsConfig.VerifyPeerCertificate = verifyPeerCertificateAndFingerprints(&[][32]byte{*fingerprintBytes}, tlsConfig.InsecureSkipVerify)
-			tlsConfig.InsecureSkipVerify = true
-			return tlsConfig, nil
-		}
 	}
 }
 
-func GetGlobalFingerprintTLCConfig(tlsConfig *tls.Config) *tls.Config {
+func GetGlobalTLSConfig(tlsConfig *tls.Config) *tls.Config {
+	certPool := getCertPool()
 	if tlsConfig == nil {
 		return &tls.Config{
-			InsecureSkipVerify:    true,
+			RootCAs: certPool,
-			VerifyPeerCertificate: verifyPeerCertificateAndFingerprints(&globalFingerprints, false),
 		}
 	}
-
+	tlsConfig.RootCAs = certPool
-	tlsConfig.VerifyPeerCertificate = verifyPeerCertificateAndFingerprints(&globalFingerprints, tlsConfig.InsecureSkipVerify)
-	tlsConfig.InsecureSkipVerify = true
 	return tlsConfig
 }
 
@@ -113,28 +111,21 @@ func GetSpecifiedFingerprintXTLSConfig(tlsConfig *xtls.Config, fingerprint strin
 	if fingerprintBytes, err := convertFingerprint(fingerprint); err != nil {
 		return nil, err
 	} else {
-		if tlsConfig == nil {
+		tlsConfig = GetGlobalXTLSConfig(tlsConfig)
-			return &xtls.Config{
+		tlsConfig.VerifyPeerCertificate = verifyFingerprint(fingerprintBytes)
-				InsecureSkipVerify:    true,
+		tlsConfig.InsecureSkipVerify = true
-				VerifyPeerCertificate: verifyPeerCertificateAndFingerprints(&[][32]byte{*fingerprintBytes}, false),
+		return tlsConfig, nil
-			}, nil
-		} else {
-			tlsConfig.VerifyPeerCertificate = verifyPeerCertificateAndFingerprints(&[][32]byte{*fingerprintBytes}, tlsConfig.InsecureSkipVerify)
-			tlsConfig.InsecureSkipVerify = true
-			return tlsConfig, nil
-		}
 	}
 }
 
-func GetGlobalFingerprintXTLCConfig(tlsConfig *xtls.Config) *xtls.Config {
+func GetGlobalXTLSConfig(tlsConfig *xtls.Config) *xtls.Config {
+	certPool := getCertPool()
 	if tlsConfig == nil {
 		return &xtls.Config{
-			InsecureSkipVerify:    true,
+			RootCAs: certPool,
-			VerifyPeerCertificate: verifyPeerCertificateAndFingerprints(&globalFingerprints, false),
 		}
 	}
 
-	tlsConfig.VerifyPeerCertificate = verifyPeerCertificateAndFingerprints(&globalFingerprints, tlsConfig.InsecureSkipVerify)
+	tlsConfig.RootCAs = certPool
-	tlsConfig.InsecureSkipVerify = true
 	return tlsConfig
 }

component/tls/reality.go

@@ -0,0 +1,164 @@
+package tls
+
+import (
+	"bytes"
+	"context"
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/ed25519"
+	"crypto/hmac"
+	"crypto/sha256"
+	"crypto/sha512"
+	"crypto/tls"
+	"crypto/x509"
+	"encoding/binary"
+	"errors"
+	"net"
+	"net/http"
+	"reflect"
+	"strings"
+	"time"
+	"unsafe"
+
+	"github.com/Dreamacro/clash/common/utils"
+	"github.com/Dreamacro/clash/log"
+
+	utls "github.com/sagernet/utls"
+	"github.com/zhangyunhao116/fastrand"
+	"golang.org/x/crypto/curve25519"
+	"golang.org/x/crypto/hkdf"
+	"golang.org/x/net/http2"
+)
+
+const RealityMaxShortIDLen = 8
+
+type RealityConfig struct {
+	PublicKey [curve25519.ScalarSize]byte
+	ShortID   [RealityMaxShortIDLen]byte
+}
+
+func GetRealityConn(ctx context.Context, conn net.Conn, ClientFingerprint string, tlsConfig *tls.Config, realityConfig *RealityConfig) (net.Conn, error) {
+	if fingerprint, exists := GetFingerprint(ClientFingerprint); exists {
+		verifier := &realityVerifier{
+			serverName: tlsConfig.ServerName,
+		}
+		uConfig := &utls.Config{
+			ServerName:             tlsConfig.ServerName,
+			InsecureSkipVerify:     true,
+			SessionTicketsDisabled: true,
+			VerifyPeerCertificate:  verifier.VerifyPeerCertificate,
+		}
+		clientID := utls.ClientHelloID{
+			Client:  fingerprint.Client,
+			Version: fingerprint.Version,
+			Seed:    fingerprint.Seed,
+		}
+		uConn := utls.UClient(conn, uConfig, clientID)
+		verifier.UConn = uConn
+		err := uConn.BuildHandshakeState()
+		if err != nil {
+			return nil, err
+		}
+
+		hello := uConn.HandshakeState.Hello
+		for i := range hello.SessionId { // https://github.com/golang/go/issues/5373
+			hello.SessionId[i] = 0
+		}
+		copy(hello.Raw[39:], hello.SessionId)
+
+		binary.BigEndian.PutUint64(hello.SessionId, uint64(time.Now().Unix()))
+
+		hello.SessionId[0] = 1
+		hello.SessionId[1] = 8
+		hello.SessionId[2] = 0
+		copy(hello.SessionId[8:], realityConfig.ShortID[:])
+
+		//log.Debugln("REALITY hello.sessionId[:16]: %v", hello.SessionId[:16])
+
+		authKey := uConn.HandshakeState.State13.EcdheParams.SharedKey(realityConfig.PublicKey[:])
+		if authKey == nil {
+			return nil, errors.New("nil auth_key")
+		}
+		verifier.authKey = authKey
+		_, err = hkdf.New(sha256.New, authKey, hello.Random[:20], []byte("REALITY")).Read(authKey)
+		if err != nil {
+			return nil, err
+		}
+		aesBlock, _ := aes.NewCipher(authKey)
+		aesGcmCipher, _ := cipher.NewGCM(aesBlock)
+		aesGcmCipher.Seal(hello.SessionId[:0], hello.Random[20:], hello.SessionId[:16], hello.Raw)
+		copy(hello.Raw[39:], hello.SessionId)
+		//log.Debugln("REALITY hello.sessionId: %v", hello.SessionId)
+		//log.Debugln("REALITY uConn.AuthKey: %v", authKey)
+
+		err = uConn.HandshakeContext(ctx)
+		if err != nil {
+			return nil, err
+		}
+
+		log.Debugln("REALITY Authentication: %v", verifier.verified)
+
+		if !verifier.verified {
+			go realityClientFallback(uConn, uConfig.ServerName, clientID)
+			return nil, errors.New("REALITY authentication failed")
+		}
+
+		return uConn, nil
+	}
+	return nil, errors.New("unknown uTLS fingerprint")
+}
+
+func realityClientFallback(uConn net.Conn, serverName string, fingerprint utls.ClientHelloID) {
+	defer uConn.Close()
+	client := http.Client{
+		Transport: &http2.Transport{
+			DialTLSContext: func(ctx context.Context, network, addr string, config *tls.Config) (net.Conn, error) {
+				return uConn, nil
+			},
+		},
+	}
+	request, _ := http.NewRequest("GET", "https://"+serverName, nil)
+	request.Header.Set("User-Agent", fingerprint.Client)
+	request.AddCookie(&http.Cookie{Name: "padding", Value: strings.Repeat("0", fastrand.Intn(32)+30)})
+	response, err := client.Do(request)
+	if err != nil {
+		return
+	}
+	//_, _ = io.Copy(io.Discard, response.Body)
+	time.Sleep(time.Duration(5+fastrand.Int63n(10)) * time.Second)
+	response.Body.Close()
+	client.CloseIdleConnections()
+}
+
+type realityVerifier struct {
+	*utls.UConn
+	serverName string
+	authKey    []byte
+	verified   bool
+}
+
+var pOffset = utils.MustOK(reflect.TypeOf((*utls.UConn)(nil)).Elem().FieldByName("peerCertificates")).Offset
+
+func (c *realityVerifier) VerifyPeerCertificate(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
+	//p, _ := reflect.TypeOf(c.Conn).Elem().FieldByName("peerCertificates")
+	certs := *(*[]*x509.Certificate)(unsafe.Pointer(uintptr(unsafe.Pointer(c.Conn)) + pOffset))
+	if pub, ok := certs[0].PublicKey.(ed25519.PublicKey); ok {
+		h := hmac.New(sha512.New, c.authKey)
+		h.Write(pub)
+		if bytes.Equal(h.Sum(nil), certs[0].Signature) {
+			c.verified = true
+			return nil
+		}
+	}
+	opts := x509.VerifyOptions{
+		DNSName:       c.serverName,
+		Intermediates: x509.NewCertPool(),
+	}
+	for _, cert := range certs[1:] {
+		opts.Intermediates.AddCert(cert)
+	}
+	if _, err := certs[0].Verify(opts); err != nil {
+		return err
+	}
+	return nil
+}

component/tls/utls.go

@@ -0,0 +1,140 @@
+package tls
+
+import (
+	"crypto/tls"
+	"net"
+
+	"github.com/Dreamacro/clash/log"
+
+	"github.com/mroth/weightedrand/v2"
+	utls "github.com/sagernet/utls"
+)
+
+type UConn struct {
+	*utls.UConn
+}
+
+type UClientHelloID struct {
+	*utls.ClientHelloID
+}
+
+var initRandomFingerprint UClientHelloID
+var initUtlsClient string
+
+func UClient(c net.Conn, config *tls.Config, fingerprint UClientHelloID) net.Conn {
+	utlsConn := utls.UClient(c, copyConfig(config), utls.ClientHelloID{
+		Client:  fingerprint.Client,
+		Version: fingerprint.Version,
+		Seed:    fingerprint.Seed,
+	})
+	return &UConn{UConn: utlsConn}
+}
+
+func GetFingerprint(ClientFingerprint string) (UClientHelloID, bool) {
+	if ClientFingerprint == "none" {
+		return UClientHelloID{}, false
+	}
+
+	if initRandomFingerprint.ClientHelloID == nil {
+		initRandomFingerprint, _ = RollFingerprint()
+	}
+
+	if ClientFingerprint == "random" {
+		log.Debugln("use initial random HelloID:%s", initRandomFingerprint.Client)
+		return initRandomFingerprint, true
+	}
+
+	fingerprint, ok := Fingerprints[ClientFingerprint]
+	if ok {
+		log.Debugln("use specified fingerprint:%s", fingerprint.Client)
+		return fingerprint, ok
+	} else {
+		log.Warnln("wrong ClientFingerprint:%s", ClientFingerprint)
+		return UClientHelloID{}, false
+	}
+}
+
+func RollFingerprint() (UClientHelloID, bool) {
+	chooser, _ := weightedrand.NewChooser(
+		weightedrand.NewChoice("chrome", 6),
+		weightedrand.NewChoice("safari", 3),
+		weightedrand.NewChoice("ios", 2),
+		weightedrand.NewChoice("firefox", 1),
+	)
+	initClient := chooser.Pick()
+	log.Debugln("initial random HelloID:%s", initClient)
+	fingerprint, ok := Fingerprints[initClient]
+	return fingerprint, ok
+}
+
+var Fingerprints = map[string]UClientHelloID{
+	"chrome":     {&utls.HelloChrome_Auto},
+	"firefox":    {&utls.HelloFirefox_Auto},
+	"safari":     {&utls.HelloSafari_Auto},
+	"ios":        {&utls.HelloIOS_Auto},
+	"android":    {&utls.HelloAndroid_11_OkHttp},
+	"edge":       {&utls.HelloEdge_Auto},
+	"360":        {&utls.Hello360_Auto},
+	"qq":         {&utls.HelloQQ_Auto},
+	"random":     {nil},
+	"randomized": {nil},
+}
+
+func init() {
+	weights := utls.DefaultWeights
+	weights.TLSVersMax_Set_VersionTLS13 = 1
+	weights.FirstKeyShare_Set_CurveP256 = 0
+	randomized := utls.HelloRandomized
+	randomized.Seed, _ = utls.NewPRNGSeed()
+	randomized.Weights = &weights
+	Fingerprints["randomized"] = UClientHelloID{&randomized}
+}
+
+func copyConfig(c *tls.Config) *utls.Config {
+	return &utls.Config{
+		RootCAs:               c.RootCAs,
+		ServerName:            c.ServerName,
+		InsecureSkipVerify:    c.InsecureSkipVerify,
+		VerifyPeerCertificate: c.VerifyPeerCertificate,
+	}
+}
+
+// WebsocketHandshake basically calls UConn.Handshake inside it but it will only send
+// http/1.1 in its ALPN.
+// Copy from https://github.com/XTLS/Xray-core/blob/main/transport/internet/tls/tls.go
+func (c *UConn) WebsocketHandshake() error {
+	// Build the handshake state. This will apply every variable of the TLS of the
+	// fingerprint in the UConn
+	if err := c.BuildHandshakeState(); err != nil {
+		return err
+	}
+	// Iterate over extensions and check for utls.ALPNExtension
+	hasALPNExtension := false
+	for _, extension := range c.Extensions {
+		if alpn, ok := extension.(*utls.ALPNExtension); ok {
+			hasALPNExtension = true
+			alpn.AlpnProtocols = []string{"http/1.1"}
+			break
+		}
+	}
+	if !hasALPNExtension { // Append extension if doesn't exists
+		c.Extensions = append(c.Extensions, &utls.ALPNExtension{AlpnProtocols: []string{"http/1.1"}})
+	}
+	// Rebuild the client hello and do the handshake
+	if err := c.BuildHandshakeState(); err != nil {
+		return err
+	}
+	return c.Handshake()
+}
+
+func SetGlobalUtlsClient(Client string) {
+	initUtlsClient = Client
+}
+
+func HaveGlobalFingerprint() bool {
+	return len(initUtlsClient) != 0 && initUtlsClient != "none"
+}
+
+func GetGlobalFingerprint() string {
+	return initUtlsClient
+}