Add quic fingerprints and preset configs

Co-authored-by: ll11l1lIllIl1lll <88377095+ll11l1lIllIl1lll@users.noreply.github.com>
Co-authored-by: mmmray <142015632+mmmray@users.noreply.github.com>
Co-authored-by: 风扇滑翔翼 <Fangliding.fshxy@outlook.com>

.github/docker/Dockerfile

@@ -1,62 +1,28 @@
-# syntax=docker/dockerfile:latest
+# syntax=docker/dockerfile:1
-FROM --platform=$BUILDPLATFORM golang:latest AS build
+FROM --platform=$BUILDPLATFORM golang:alpine AS build
-
-# Build xray-core
 WORKDIR /src
 COPY . .
 ARG TARGETOS
 ARG TARGETARCH
 RUN GOOS=$TARGETOS GOARCH=$TARGETARCH CGO_ENABLED=0 go build -o xray -trimpath -ldflags "-s -w -buildid=" ./main
+ADD https://github.com/v2fly/geoip/releases/latest/download/geoip.dat /v2fly/geoip.dat
+ADD https://github.com/v2fly/domain-list-community/releases/latest/download/dlc.dat /v2fly/geosite.dat
+ADD https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geoip.dat /loyalsoldier/geoip.dat
+ADD https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat /loyalsoldier/geosite.dat
 
-# Download geodat into a staging directory
+# chainguard/static contains only tzdata and ca-certificates, can be built with multiarch static binaries.
-ADD https://raw.githubusercontent.com/Loyalsoldier/v2ray-rules-dat/release/geoip.dat /tmp/geodat/geoip.dat
+FROM --platform=linux/amd64 chainguard/static:latest
-ADD https://raw.githubusercontent.com/Loyalsoldier/v2ray-rules-dat/release/geosite.dat /tmp/geodat/geosite.dat
+WORKDIR /var/log/xray
+COPY .github/docker/files/config.json /etc/xray/config.json
+COPY --from=build --chmod=755 /src/xray /usr/bin/xray
 
-RUN mkdir -p /tmp/empty
+USER root
-
+WORKDIR /root
-# Create config files with empty JSON content
+VOLUME /etc/xray
-RUN mkdir -p /tmp/usr/local/etc/xray
+ARG TZ=Asia/Shanghai
-RUN cat <<EOF >/tmp/usr/local/etc/xray/00_log.json
-{
-  "log": {
-    "error": "/var/log/xray/error.log",
-    "loglevel": "warning",
-    "access": "none",
-    "dnsLog": false
-  }
-}
-EOF
-RUN echo '{}' >/tmp/usr/local/etc/xray/01_api.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/02_dns.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/03_routing.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/04_policy.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/05_inbounds.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/06_outbounds.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/07_transport.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/08_stats.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/09_reverse.json
-
-# Create log files
-RUN mkdir -p /tmp/var/log/xray && touch \
-  /tmp/var/log/xray/access.log \
-  /tmp/var/log/xray/error.log
-
-# Build finally image
-FROM gcr.io/distroless/static:nonroot
-
-COPY --from=build --chown=0:0 --chmod=755 /src/xray /usr/local/bin/xray
-COPY --from=build --chown=0:0 --chmod=755 /tmp/empty /usr/local/share/xray
-COPY --from=build --chown=0:0 --chmod=644 /tmp/geodat/*.dat /usr/local/share/xray/
-COPY --from=build --chown=0:0 --chmod=755 /tmp/empty /usr/local/etc/xray
-COPY --from=build --chown=0:0 --chmod=644 /tmp/usr/local/etc/xray/*.json /usr/local/etc/xray/
-COPY --from=build --chown=0:0 --chmod=755 /tmp/empty /var/log/xray
-COPY --from=build --chown=65532:65532 --chmod=600 /tmp/var/log/xray/*.log /var/log/xray/
-
-VOLUME /usr/local/etc/xray
-VOLUME /var/log/xray
-
-ARG TZ=Etc/UTC
 ENV TZ=$TZ
+ENTRYPOINT [ "/usr/bin/xray" ]
+CMD [ "-config", "/etc/xray/config.json" ]
 
-ENTRYPOINT [ "/usr/local/bin/xray" ]
+ARG flavor=v2fly
-CMD [ "-confdir", "/usr/local/etc/xray/" ]
+COPY --from=build --chmod=644 /$flavor /usr/share/xray

.github/docker/Dockerfile.usa

@@ -1,71 +0,0 @@
-# syntax=docker/dockerfile:latest
-FROM --platform=$BUILDPLATFORM golang:latest AS build
-
-# Build xray-core
-WORKDIR /src
-COPY . .
-ARG TARGETOS
-ARG TARGETARCH
-RUN GOOS=$TARGETOS GOARCH=$TARGETARCH CGO_ENABLED=0 go build -o xray -trimpath -ldflags "-s -w -buildid=" ./main
-
-# Download geodat into a staging directory
-ADD https://raw.githubusercontent.com/Loyalsoldier/v2ray-rules-dat/release/geoip.dat /tmp/geodat/geoip.dat
-ADD https://raw.githubusercontent.com/Loyalsoldier/v2ray-rules-dat/release/geosite.dat /tmp/geodat/geosite.dat
-
-RUN mkdir -p /tmp/empty
-
-# Create config files with empty JSON content
-RUN mkdir -p /tmp/usr/local/etc/xray
-RUN cat <<EOF >/tmp/usr/local/etc/xray/00_log.json
-{
-  "log": {
-    "error": "/var/log/xray/error.log",
-    "loglevel": "warning",
-    "access": "none",
-    "dnsLog": false
-  }
-}
-EOF
-RUN echo '{}' >/tmp/usr/local/etc/xray/01_api.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/02_dns.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/03_routing.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/04_policy.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/05_inbounds.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/06_outbounds.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/07_transport.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/08_stats.json
-RUN echo '{}' >/tmp/usr/local/etc/xray/09_reverse.json
-
-# Create log files
-RUN mkdir -p /tmp/var/log/xray && touch \
-  /tmp/var/log/xray/access.log \
-  /tmp/var/log/xray/error.log
-
-# Build finally image
-# Note on Distroless Base Image and Architecture Support:
-# - The official 'gcr.io/distroless/static' image provided by Google only supports a limited set of architectures for Linux:
-#   - linux/amd64
-#   - linux/arm/v7
-#   - linux/arm64/v8
-#   - linux/ppc64le
-#   - linux/s390x
-# - Upon inspection, the blob contents of the Distroless images across these architectures are nearly identical, with only minor differences in metadata (e.g., 'Architecture' field in the manifest).
-# - Due to this similarity in content, it is feasible to forcibly specify a single platform (e.g., '--platform=linux/amd64') for unsupported architectures, as the core image content remains compatible with statically compiled binaries like Go applications.
-FROM --platform=linux/amd64 gcr.io/distroless/static:nonroot
-
-COPY --from=build --chown=0:0 --chmod=755 /src/xray /usr/local/bin/xray
-COPY --from=build --chown=0:0 --chmod=755 /tmp/empty /usr/local/share/xray
-COPY --from=build --chown=0:0 --chmod=644 /tmp/geodat/*.dat /usr/local/share/xray/
-COPY --from=build --chown=0:0 --chmod=755 /tmp/empty /usr/local/etc/xray
-COPY --from=build --chown=0:0 --chmod=644 /tmp/usr/local/etc/xray/*.json /usr/local/etc/xray/
-COPY --from=build --chown=0:0 --chmod=755 /tmp/empty /var/log/xray
-COPY --from=build --chown=65532:65532 --chmod=600 /tmp/var/log/xray/*.log /var/log/xray/
-
-VOLUME /usr/local/etc/xray
-VOLUME /var/log/xray
-
-ARG TZ=Etc/UTC
-ENV TZ=$TZ
-
-ENTRYPOINT [ "/usr/local/bin/xray" ]
-CMD [ "-confdir", "/usr/local/etc/xray/" ]

.github/docker/files/config.json

@@ -0,0 +1,18 @@
+{
+  "inbounds": [{
+    "port": 9000,
+    "protocol": "vmess",
+    "settings": {
+      "clients": [
+        {
+          "id": "1eb6e917-774b-4a84-aff6-b058577c60a5",
+          "level": 1
+        }
+      ]
+    }
+  }],
+  "outbounds": [{
+    "protocol": "freedom",
+    "settings": {}
+  }]
+}

.github/workflows/docker.yml

@@ -1,130 +1,76 @@
-name: Build and Push Docker Image
+name: Build docker image
 
 on:
   release:
-    types:
+    types: [published]
-      - published
+  push:
-      - released
+    branches:
-
+      - main
-  workflow_dispatch:
-    inputs:
-      tag:
-        description: "Docker image tag:"
-        required: true
-      latest:
-        description: "Set to latest"
-        type: boolean
-        default: false
 
 jobs:
-  build-and-push:
+  build-image:
-    if: (github.event.action != 'published') || (github.event.action == 'published' && github.event.release.prerelease == true)
     runs-on: ubuntu-latest
     permissions:
-      contents: read
       packages: write
-
     steps:
-      - name: Set repository and image name to lowercase
+      - uses: actions/checkout@v4
-        env:
+      - name: Docker metadata
-          IMAGE_NAME: "${{ github.repository }}"
+        id: meta
-        run: |
+        uses: docker/metadata-action@v5
-          echo "IMAGE_NAME=${IMAGE_NAME,,}" >>${GITHUB_ENV}
+        with:
-          echo "FULL_IMAGE_NAME=ghcr.io/${IMAGE_NAME,,}" >>${GITHUB_ENV}
+          images: ghcr.io/${{ github.repository_owner }}/xray-core
-
+          flavor: latest=auto
-      - name: Validate and extract tag
+          tags: |
-        run: |
+            type=sha
-          SOURCE_TAG="${{ github.event.inputs.tag }}"
+            type=ref,event=branch
-          if [[ -z "$SOURCE_TAG" ]]; then
+            type=ref,event=pr
-            SOURCE_TAG="${{ github.ref_name }}"
+            type=semver,pattern={{version}}
-          fi
+      - name: Docker metadata Loyalsoldier flavor
-
+        id: loyalsoldier
-          if [[ -z "$SOURCE_TAG" ]]; then
+        uses: docker/metadata-action@v5
-            echo "Error: Could not determine a valid tag source. Input tag and context tag (github.ref_name) are both empty."
+        with:
-            exit 1
+          images: ghcr.io/${{ github.repository_owner }}/xray-core
-          fi
+          flavor: |
-
+            latest=auto
-          if [[ "$SOURCE_TAG" =~ ^v[0-9]+\.[0-9] ]]; then
+            suffix=-ls,onlatest=true
-            IMAGE_TAG="${SOURCE_TAG#v}"
+          tags: |
-          else
+            type=sha
-            IMAGE_TAG="$SOURCE_TAG"
+            type=ref,event=branch
-          fi
+            type=ref,event=pr
-
+            type=semver,pattern={{version}}
-          echo "Docker image tag: '$IMAGE_TAG'."
-          echo "IMAGE_TAG=$IMAGE_TAG" >>${GITHUB_ENV}
-
-          LATEST=false
-          if [[ "${{ github.event_name }}" == "release" && "${{ github.event.release.prerelease }}" == "false" ]] || [[ "${{ github.event_name }}" == "workflow_dispatch" && "${{ github.event.inputs.latest }}" == "true" ]]; then
-            LATEST=true
-          fi
-
-          echo "Latest: '$LATEST'."
-          echo "LATEST=$LATEST" >>${GITHUB_ENV}
-
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
-
+      - name: Set up Docker Buildx
-      - name: Build Docker image (main architectures)
+        uses: docker/setup-buildx-action@v3
-        id: build_main_arches
+      - name: Build and push
         uses: docker/build-push-action@v6
         with:
           context: .
-          file: .github/docker/Dockerfile
           platforms: |
             linux/amd64
-            linux/arm/v7
+            linux/arm64
-            linux/arm64/v8
+            linux/loong64
-            linux/ppc64le
+            linux/riscv64
-            linux/s390x
           provenance: false
-          outputs: type=image,name=${{ env.FULL_IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
+          file: .github/docker/Dockerfile
-
+          push: true
-      - name: Build Docker image (additional architectures)
+          tags: ${{ steps.meta.outputs.tags }}
-        id: build_additional_arches
+      - name: Build and push Loyalsoldier flavor
         uses: docker/build-push-action@v6
         with:
           context: .
-          file: .github/docker/Dockerfile.usa
           platforms: |
-            linux/386
+            linux/amd64
-            linux/arm/v6
+            linux/arm64
-            linux/riscv64
             linux/loong64
+            linux/riscv64
           provenance: false
-          outputs: type=image,name=${{ env.FULL_IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
+          file: .github/docker/Dockerfile
-
+          build-args: flavor=loyalsoldier
-      - name: Create manifest list and push
+          push: true
-        run: |
+          tags: |
-          echo "Creating multi-arch manifest with tag: '${{ env.FULL_IMAGE_NAME }}:${{ env.IMAGE_TAG }}'."
+            ${{ steps.loyalsoldier.outputs.tags }}
-          docker buildx imagetools create \
-            --tag ${{ env.FULL_IMAGE_NAME }}:${{ env.IMAGE_TAG }} \
-            ${{ env.FULL_IMAGE_NAME }}@${{ steps.build_main_arches.outputs.digest }} \
-            ${{ env.FULL_IMAGE_NAME }}@${{ steps.build_additional_arches.outputs.digest }}
-
-          if [[ "${{ env.LATEST }}" == "true" ]]; then
-            echo "Adding 'latest' tag to manifest: '${{ env.FULL_IMAGE_NAME }}:latest'."
-            docker buildx imagetools create \
-            --tag ${{ env.FULL_IMAGE_NAME }}:latest \
-            ${{ env.FULL_IMAGE_NAME }}:${{ env.IMAGE_TAG }}
-          fi
-
-      - name: Inspect image
-        run: |
-          docker buildx imagetools inspect ${{ env.FULL_IMAGE_NAME }}:${{ env.IMAGE_TAG }}
-
-          if [[ "${{ env.LATEST }}" == "true" ]]; then
-            docker buildx imagetools inspect ${{ env.FULL_IMAGE_NAME }}:latest
-          fi

.github/workflows/release-win7.yml

@@ -1,148 +0,0 @@
-name: Build and Release for Windows 7
-
-on:
-  workflow_dispatch:
-  release:
-    types: [published]
-  push:
-  pull_request:
-    types: [opened, synchronize, reopened]
-
-jobs:
-  check-assets:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Restore Geodat Cache
-        uses: actions/cache/restore@v4
-        with:
-          path: resources
-          key: xray-geodat-
-
-      - name: Check Assets Existence
-        id: check-assets
-        run: |
-          [ -d 'resources' ] || mkdir resources
-          LIST=('geoip.dat' 'geosite.dat')
-          for FILE_NAME in "${LIST[@]}"
-          do
-            echo -e "Checking ${FILE_NAME}..."
-            if [ -s "./resources/${FILE_NAME}" ]; then
-              echo -e "${FILE_NAME} exists."
-            else
-              echo -e "${FILE_NAME} does not exist."
-              echo "missing=true" >> $GITHUB_OUTPUT
-              break
-            fi
-          done
-
-      - name: Sleep for 90 seconds if Assets Missing
-        if: steps.check-assets.outputs.missing == 'true'
-        run: sleep 90
-
-  build:
-    needs: check-assets
-    permissions:
-      contents: write
-    strategy:
-      matrix:
-        include:
-          # BEGIN Windows 7
-          - goos: windows
-            goarch: amd64
-            assetname: win7-64
-          - goos: windows
-            goarch: 386
-            assetname: win7-32
-          # END Windows 7
-      fail-fast: false
-
-    runs-on: ubuntu-latest
-    env:
-      GOOS: ${{ matrix.goos}}
-      GOARCH: ${{ matrix.goarch }}
-      CGO_ENABLED: 0
-    steps:
-      - name: Checkout codebase
-        uses: actions/checkout@v4
-
-      - name: Show workflow information
-        run: |
-          _NAME=${{ matrix.assetname }}
-          echo "GOOS: ${{ matrix.goos }}, GOARCH: ${{ matrix.goarch }}, RELEASE_NAME: $_NAME"
-          echo "ASSET_NAME=$_NAME" >> $GITHUB_ENV
-
-      - name: Set up Go
-        uses: actions/setup-go@v5
-        with:
-          go-version-file: go.mod
-          check-latest: true
-
-      - name: Setup patched builder
-        run: |
-          GOSDK=$(go env GOROOT)
-          rm -r $GOSDK/*
-          cd $GOSDK
-          curl -O -L -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" https://github.com/XTLS/go-win7/releases/latest/download/go-for-win7-linux-amd64.zip
-          unzip ./go-for-win7-linux-amd64.zip -d $GOSDK
-          rm ./go-for-win7-linux-amd64.zip
-
-      - name: Get project dependencies
-        run: go mod download
-
-      - name: Build Xray
-        run: |
-          mkdir -p build_assets
-          COMMID=$(git describe --always --dirty)
-          echo 'Building Xray for Windows 7...'
-          go build -o build_assets/xray.exe -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
-          echo 'CreateObject("Wscript.Shell").Run "xray.exe -config config.json",0' > build_assets/xray_no_window.vbs
-          echo 'Start-Process -FilePath ".\xray.exe" -ArgumentList "-config .\config.json" -WindowStyle Hidden' > build_assets/xray_no_window.ps1
-          # The line below is for without running conhost.exe version. Commented for not being used. Provided for reference.
-          # go build -o build_assets/wxray.exe -trimpath -buildvcs=false -ldflags="-H windowsgui -X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
-
-      - name: Restore Geodat Cache
-        uses: actions/cache/restore@v4
-        with:
-          path: resources
-          key: xray-geodat-
-
-      - name: Copy README.md & LICENSE
-        run: |
-          mv -f resources/* build_assets
-          cp ${GITHUB_WORKSPACE}/README.md ./build_assets/README.md
-          cp ${GITHUB_WORKSPACE}/LICENSE ./build_assets/LICENSE
-
-      - name: Create ZIP archive
-        if: github.event_name == 'release'
-        shell: bash
-        run: |
-          pushd build_assets || exit 1
-          touch -mt $(date +%Y01010000) *
-          zip -9vr ../Xray-${{ env.ASSET_NAME }}.zip .
-          popd || exit 1
-          FILE=./Xray-${{ env.ASSET_NAME }}.zip
-          DGST=$FILE.dgst
-          for METHOD in {"md5","sha1","sha256","sha512"}
-          do
-            openssl dgst -$METHOD $FILE | sed 's/([^)]*)//g' >>$DGST
-          done
-
-      - name: Change the name
-        run: |
-          mv build_assets Xray-${{ env.ASSET_NAME }}
-
-      - name: Upload files to Artifacts
-        uses: actions/upload-artifact@v4
-        with:
-          name: Xray-${{ env.ASSET_NAME }}
-          path: |
-            ./Xray-${{ env.ASSET_NAME }}/*
-
-      - name: Upload binaries to release
-        uses: svenstaro/upload-release-action@v2
-        if: github.event_name == 'release'
-        with:
-          repo_token: ${{ secrets.GITHUB_TOKEN }}
-          file: ./Xray-${{ env.ASSET_NAME }}.zip*
-          tag: ${{ github.ref }}
-          file_glob: true

.github/workflows/release.yml

@@ -1,61 +1,76 @@
 name: Build and Release
 
+# NOTE: This Github Actions file depends on the Makefile.
+#       Building the correct package requires the correct binaries generated by the Makefile. To 
+#       ensure the correct output, the Makefile must accept the appropriate input and compile the 
+#       correct file with the correct name. If you need to modify this file, please ensure it won't 
+#       disrupt the Makefile.
+
 on:
   workflow_dispatch:
   release:
     types: [published]
   push:
+    branches:
+      - main
+    paths:
+      - "**/*.go"
+      - "go.mod"
+      - "go.sum"
+      - ".github/workflows/release.yml"
   pull_request:
     types: [opened, synchronize, reopened]
-
+    paths:
+      - "**/*.go"
+      - "go.mod"
+      - "go.sum"
+      - ".github/workflows/release.yml"
 jobs:
-  check-assets:
+  prepare:
     runs-on: ubuntu-latest
     steps:
-      - name: Restore Geodat Cache
+      - name: Restore Cache
         uses: actions/cache/restore@v4
         with:
           path: resources
           key: xray-geodat-
 
-      - name: Check Assets Existence
+      - name: Update Geodat
-        id: check-assets
+        id: update
-        run: |
+        uses: nick-fields/retry@v3
+        with:
+          timeout_minutes: 60
+          retry_wait_seconds: 60
+          max_attempts: 60
+          command: |
             [ -d 'resources' ] || mkdir resources
-          LIST=('geoip.dat' 'geosite.dat')
+            LIST=('geoip geoip geoip' 'domain-list-community dlc geosite')
-          for FILE_NAME in "${LIST[@]}"
+            for i in "${LIST[@]}"
             do
-            echo -e "Checking ${FILE_NAME}..."
+              INFO=($(echo $i | awk 'BEGIN{FS=" ";OFS=" "} {print $1,$2,$3}'))
-            if [ -s "./resources/${FILE_NAME}" ]; then
+              FILE_NAME="${INFO[2]}.dat"
-              echo -e "${FILE_NAME} exists."
+              echo -e "Verifying HASH key..."
+              HASH="$(curl -sL "https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.dat.sha256sum" | awk -F ' ' '{print $1}')"
+              if [ -s "./resources/${FILE_NAME}" ] && [ "$(sha256sum "./resources/${FILE_NAME}" | awk -F ' ' '{print $1}')" == "${HASH}" ]; then
+                  continue
               else
-              echo -e "${FILE_NAME} does not exist."
+                  echo -e "Downloading https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.dat..."
-              echo "missing=true" >> $GITHUB_OUTPUT
+                  curl -L "https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.dat" -o ./resources/${FILE_NAME}
-              break
+                  echo -e "Verifying HASH key..."
+                  [ "$(sha256sum "./resources/${FILE_NAME}" | awk -F ' ' '{print $1}')" == "${HASH}" ] || { echo -e "The HASH key of ${FILE_NAME} does not match cloud one."; exit 1; }
+                  echo "unhit=true" >> $GITHUB_OUTPUT
               fi
             done
 
-      - name: Trigger Asset Update Workflow if Assets Missing
+      - name: Save Cache
-        if: steps.check-assets.outputs.missing == 'true'
+        uses: actions/cache/save@v4
-        uses: actions/github-script@v7
+        if: ${{ steps.update.outputs.unhit }}
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path: resources
-          script: |
+          key: xray-geodat-${{ github.sha }}-${{ github.run_number }}
-            const { owner, repo } = context.repo;
-            await github.rest.actions.createWorkflowDispatch({
-              owner,
-              repo,
-              workflow_id: 'scheduled-assets-update.yml',
-              ref: context.ref
-            });
-            console.log('Triggered scheduled-assets-update.yml due to missing assets on branch:', context.ref);
-
-      - name: Sleep for 90 seconds if Assets Missing
-        if: steps.check-assets.outputs.missing == 'true'
-        run: sleep 90
 
   build:
-    needs: check-assets
+    needs: prepare
     permissions:
       contents: write
     strategy:
@@ -63,7 +78,9 @@ jobs:
         # Include amd64 on all platforms.
         goos: [windows, freebsd, openbsd, linux, darwin]
         goarch: [amd64, 386]
+        gotoolchain: [""]
         patch-assetname: [""]
+
         exclude:
           # Exclude i386 on darwin
           - goarch: 386
@@ -88,11 +105,6 @@ jobs:
           - goos: android
             goarch: arm64
           # END Android ARM 8
-          # BEGIN Android AMD64
-          - goos: android
-            goarch: amd64
-            patch-assetname: android-amd64
-          # END Android AMD64
           # Windows ARM
           - goos: windows
             goarch: arm64
@@ -143,6 +155,16 @@ jobs:
             goarch: arm
             goarm: 7
           # END OPENBSD ARM
+          # BEGIN Windows 7
+          - goos: windows
+            goarch: amd64
+            gotoolchain: 1.21.4
+            patch-assetname: win7-64
+          - goos: windows
+            goarch: 386
+            gotoolchain: 1.21.4
+            patch-assetname: win7-32
+          # END Windows 7
       fail-fast: false
 
     runs-on: ubuntu-latest
@@ -155,19 +177,6 @@ jobs:
       - name: Checkout codebase
         uses: actions/checkout@v4
 
-      - name: Set up NDK
-        if: matrix.goos == 'android'
-        run: |
-          wget -qO android-ndk.zip https://dl.google.com/android/repository/android-ndk-r28b-linux.zip
-          unzip android-ndk.zip
-          rm android-ndk.zip
-          declare -A arches=(
-            ["amd64"]="x86_64-linux-android24-clang"
-            ["arm64"]="aarch64-linux-android24-clang"
-          )
-          echo CC="$(realpath android-ndk-*/toolchains/llvm/prebuilt/linux-x86_64/bin)/${arches[${{ matrix.goarch }}]}" >> $GITHUB_ENV
-          echo CGO_ENABLED=1 >> $GITHUB_ENV
-
       - name: Show workflow information
         run: |
           _NAME=${{ matrix.patch-assetname }}
@@ -178,7 +187,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version: ${{ matrix.gotoolchain || '1.23' }}
           check-latest: true
 
       - name: Get project dependencies
@@ -187,24 +196,10 @@ jobs:
       - name: Build Xray
         run: |
           mkdir -p build_assets
-          COMMID=$(git describe --always --dirty)
+          make
-          if [[ ${GOOS} == 'windows' ]]; then
+          find . -maxdepth 1 -type f -regex './\(wxray\|xray\|xray_softfloat\)\(\|.exe\)' -exec mv {} ./build_assets/ \;
-            echo 'Building Xray for Windows...'
-            go build -o build_assets/xray.exe -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
-            echo 'CreateObject("Wscript.Shell").Run "xray.exe -config config.json",0' > build_assets/xray_no_window.vbs
-            echo 'Start-Process -FilePath ".\xray.exe" -ArgumentList "-config .\config.json" -WindowStyle Hidden' > build_assets/xray_no_window.ps1
-            # The line below is for without running conhost.exe version. Commented for not being used. Provided for reference.
-            # go build -o build_assets/wxray.exe -trimpath -buildvcs=false -ldflags="-H windowsgui -X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
-          else
-            echo 'Building Xray...'
-            go build -o build_assets/xray -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
-            if [[ ${GOARCH} == 'mips' || ${GOARCH} == 'mipsle' ]]; then
-              echo 'Building soft-float Xray for MIPS/MIPSLE 32-bit...'
-              GOMIPS=softfloat go build -o build_assets/xray_softfloat -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
-            fi
-          fi
 
-      - name: Restore Geodat Cache
+      - name: Restore Cache
         uses: actions/cache/restore@v4
         with:
           path: resources

.github/workflows/scheduled-assets-update.yml

@@ -1,65 +0,0 @@
-name: Scheduled assets update
-
-# NOTE: This Github Actions is required by other actions, for preparing other packaging assets in a
-#       routine manner, for example: GeoIP/GeoSite.
-#       Currently updating:
-#       - Geodat (GeoIP/Geosite)
-
-on:
-  workflow_dispatch:
-  schedule:
-    # Update GeoData on every day (22:30 UTC)
-    - cron: "30 22 * * *"
-  push:
-    # Prevent triggering update request storm
-    paths:
-      - ".github/workflows/scheduled-assets-update.yml"
-  pull_request:
-    # Prevent triggering update request storm
-    paths:
-      - ".github/workflows/scheduled-assets-update.yml"
-
-jobs:
-  geodat:
-    if: github.event.schedule == '30 22 * * *' || github.event_name == 'push'|| github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
-    runs-on: ubuntu-latest
-    steps:
-      - name: Restore Geodat Cache
-        uses: actions/cache/restore@v4
-        with:
-          path: resources
-          key: xray-geodat-
-
-      - name: Update Geodat
-        id: update
-        uses: nick-fields/retry@v3
-        with:
-          timeout_minutes: 60
-          retry_wait_seconds: 60
-          max_attempts: 60
-          command: |
-            [ -d 'resources' ] || mkdir resources
-            LIST=('Loyalsoldier v2ray-rules-dat geoip geoip' 'Loyalsoldier v2ray-rules-dat geosite geosite')
-            for i in "${LIST[@]}"
-            do
-              INFO=($(echo $i | awk 'BEGIN{FS=" ";OFS=" "} {print $1,$2,$3,$4}'))
-              FILE_NAME="${INFO[3]}.dat"
-              echo -e "Verifying HASH key..."
-              HASH="$(curl -sL -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" "https://raw.githubusercontent.com/${INFO[0]}/${INFO[1]}/release/${INFO[2]}.dat.sha256sum" | awk -F ' ' '{print $1}')"
-              if [ -s "./resources/${FILE_NAME}" ] && [ "$(sha256sum "./resources/${FILE_NAME}" | awk -F ' ' '{print $1}')" == "${HASH}" ]; then
-                  continue
-              else
-                  echo -e "Downloading https://raw.githubusercontent.com/${INFO[0]}/${INFO[1]}/release/${INFO[2]}.dat..."
-                  curl -L -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" "https://raw.githubusercontent.com/${INFO[0]}/${INFO[1]}/release/${INFO[2]}.dat" -o ./resources/${FILE_NAME}
-                  echo -e "Verifying HASH key..."
-                  [ "$(sha256sum "./resources/${FILE_NAME}" | awk -F ' ' '{print $1}')" == "${HASH}" ] || { echo -e "The HASH key of ${FILE_NAME} does not match cloud one."; exit 1; }
-                  echo "unhit=true" >> $GITHUB_OUTPUT
-              fi
-            done
-
-      - name: Save Geodat Cache
-        uses: actions/cache/save@v4
-        if: ${{ steps.update.outputs.unhit }}
-        with:
-          path: resources
-          key: xray-geodat-${{ github.sha }}-${{ github.run_number }}

.github/workflows/test.yml

@@ -2,40 +2,23 @@ name: Test
 
 on:
   push:
+    branches:
+      - main
+    paths:
+      - "**/*.go"
+      - "go.mod"
+      - "go.sum"
+      - ".github/workflows/*.yml"
   pull_request:
     types: [opened, synchronize, reopened]
+    paths:
+      - "**/*.go"
+      - "go.mod"
+      - "go.sum"
+      - ".github/workflows/*.yml"
 
 jobs:
-  check-assets:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Restore Geodat Cache
-        uses: actions/cache/restore@v4
-        with:
-          path: resources
-          key: xray-geodat-
-      - name: Check Assets Existence
-        id: check-assets
-        run: |
-          [ -d 'resources' ] || mkdir resources
-          LIST=('geoip.dat' 'geosite.dat')
-          for FILE_NAME in "${LIST[@]}"
-          do
-            echo -e "Checking ${FILE_NAME}..."
-            if [ -s "./resources/${FILE_NAME}" ]; then
-              echo -e "${FILE_NAME} exists."
-            else
-              echo -e "${FILE_NAME} does not exist."
-              echo "missing=true" >> $GITHUB_OUTPUT
-              break
-            fi
-          done
-      - name: Sleep for 90 seconds if Assets Missing
-        if: steps.check-assets.outputs.missing == 'true'
-        run: sleep 90
-
   test:
-    needs: check-assets
     permissions:
       contents: read
     runs-on: ${{ matrix.os }}
@@ -49,9 +32,9 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version: '1.23'
           check-latest: true
-      - name: Restore Geodat Cache
+      - name: Restore Cache
         uses: actions/cache/restore@v4
         with:
           path: resources

.gitignore

@@ -14,18 +14,10 @@
 # Dependency directories (remove the comment below to include it)
 # vendor/
 
-# macOS specific files
 *.DS_Store
-
+.idea
-# IDE specific files
-.idea/
-.vscode/
-
-# Archive files
 *.zip
 *.tar.gz
-
-# Binaries
 xray
 xray_softfloat
 mockgen
@@ -34,13 +26,8 @@ vprotogen
 errorgen
 !common/errors/errorgen/
 *.dat
-
+.vscode
-# Build assets
 /build_assets
 
 # Output from dlv test
 **/debug.*
-
-# Certificates
-*.crt
-*.key

Makefile

@@ -0,0 +1,37 @@
+NAME = xray
+
+VERSION=$(shell git describe --always --dirty)
+
+# NOTE: This MAKEFILE can be used to build Xray-core locally and in Automatic workflows. It is \
+	provided for convenience in automatic building and functions as a part of it.
+# NOTE: If you need to modify this file, please be aware that:\
+	- This file is not the main Makefile; it only accepts environment variables and builds the \
+	binary.\
+	- Automatic building expects the correct binaries to be built by this Makefile. If you \
+	intend to propose a change to this Makefile, carefully review the file below and ensure \
+	that the change will not accidentally break the automatic building:\
+		.github/workflows/release.yml \
+	Otherwise it is recommended to contact the project maintainers.
+
+LDFLAGS = -X github.com/xtls/xray-core/core.build=$(VERSION) -s -w -buildid=
+PARAMS = -trimpath -ldflags "$(LDFLAGS)" -v
+MAIN = ./main
+PREFIX ?= $(shell go env GOPATH)
+ifeq ($(GOOS),windows)
+OUTPUT = $(NAME).exe
+ADDITION = go build -o w$(NAME).exe -trimpath -ldflags "-H windowsgui $(LDFLAGS)" -v $(MAIN)
+else
+OUTPUT = $(NAME)
+endif
+ifeq ($(shell echo "$(GOARCH)" | grep -Eq "(mips|mipsle)" && echo true),true) # 
+ADDITION = GOMIPS=softfloat go build -o $(NAME)_softfloat -trimpath -ldflags "$(LDFLAGS)" -v $(MAIN)
+endif
+.PHONY: clean build
+
+build:
+	go build -o $(OUTPUT) $(PARAMS) $(MAIN)
+	$(ADDITION)
+
+clean:
+	go clean -v -i $(PWD)
+	rm -f xray xray.exe wxray.exe xray_softfloat

README.md

@@ -1,19 +1,12 @@
 # Project X
 
-[![Project X NFT](https://raw2.seadn.io/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/7fa9ce900fb39b44226348db330e32/8b7fa9ce900fb39b44226348db330e32.svg)](https://opensea.io/item/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/1)
-
-### [Collect a Project X NFT to support the development of Project X!](https://opensea.io/item/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/1)
-
 [Project X](https://github.com/XTLS) originates from XTLS protocol, providing a set of network tools such as [Xray-core](https://github.com/XTLS/Xray-core) and [REALITY](https://github.com/XTLS/REALITY).
 
 [README](https://github.com/XTLS/Xray-core#readme) is open, so feel free to submit your project [here](https://github.com/XTLS/Xray-core/pulls).
 
 ## Donation & NFTs
 
-- **ETH/USDT/USDC: `0xDc3Fe44F0f25D13CACb1C4896CD0D321df3146Ee`**
+[Announcement of NFTs by Project X](https://github.com/XTLS/Xray-core/discussions/3633)
-- **Project X NFT: https://opensea.io/item/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/1**
-- **REALITY NFT: https://opensea.io/item/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/2**
-- **Related links: https://opensea.io/collection/xtls, [Announcement of NFTs by Project X](https://github.com/XTLS/Xray-core/discussions/3633), [XHTTP: Beyond REALITY](https://github.com/XTLS/Xray-core/discussions/4113)**
 
 ## License
 
@@ -29,9 +22,7 @@
 
 [Project X Channel](https://t.me/projectXtls)
 
-[Project VLESS](https://t.me/projectVless) (Русский)
+[Project VLESS](https://t.me/projectVless) (non-Chinese)
-
-[Project XHTTP](https://t.me/projectXhttp) (Persian)
 
 ## Installation
 
@@ -43,13 +34,12 @@
   - [teddysun/xray](https://hub.docker.com/r/teddysun/xray)
   - [wulabing/xray_docker](https://github.com/wulabing/xray_docker)
 - Web Panel - **WARNING: Please DO NOT USE plain HTTP panels like 3X-UI**, as they are believed to be bribed by Iran GFW for supporting plain HTTP by default and refused to change (https://github.com/XTLS/Xray-core/pull/3884#issuecomment-2439595331), which has already put many users' data security in danger in the past few years. **If you are already using 3X-UI, please switch to the following panels, which are verified to support HTTPS and SSH port forwarding only:**
-  - [Remnawave](https://github.com/remnawave/panel)
   - [Marzban](https://github.com/Gozargah/Marzban)
   - [Xray-UI](https://github.com/qist/xray-ui)
   - [Hiddify](https://github.com/hiddify/Hiddify-Manager)
 - One Click
   - [Xray-REALITY](https://github.com/zxcvos/Xray-script), [xray-reality](https://github.com/sajjaddg/xray-reality), [reality-ezpz](https://github.com/aleskxyz/reality-ezpz)
-  - [Xray_bash_onekey](https://github.com/hello-yunshu/Xray_bash_onekey), [XTool](https://github.com/LordPenguin666/XTool), [VPainLess](https://github.com/vpainless/vpainless)
+  - [Xray_bash_onekey](https://github.com/hello-yunshu/Xray_bash_onekey), [XTool](https://github.com/LordPenguin666/XTool)
   - [v2ray-agent](https://github.com/mack-a/v2ray-agent), [Xray_onekey](https://github.com/wulabing/Xray_onekey), [ProxySU](https://github.com/proxysu/ProxySU)
 - Magisk
   - [Xray4Magisk](https://github.com/Asterisk4Magisk/Xray4Magisk)
@@ -80,49 +70,34 @@
   - [PassWall](https://github.com/xiaorouji/openwrt-passwall), [PassWall 2](https://github.com/xiaorouji/openwrt-passwall2)
   - [ShadowSocksR Plus+](https://github.com/fw876/helloworld)
   - [luci-app-xray](https://github.com/yichya/luci-app-xray) ([openwrt-xray](https://github.com/yichya/openwrt-xray))
-- Asuswrt-Merlin
-  - [XRAYUI](https://github.com/DanielLavrushin/asuswrt-merlin-xrayui)
 - Windows
   - [v2rayN](https://github.com/2dust/v2rayN)
   - [Furious](https://github.com/LorenEteval/Furious)
   - [Invisible Man - Xray](https://github.com/InvisibleManVPN/InvisibleMan-XRayClient)
-  - [AnyPortal](https://github.com/AnyPortal/AnyPortal)
 - Android
   - [v2rayNG](https://github.com/2dust/v2rayNG)
   - [X-flutter](https://github.com/XTLS/X-flutter)
   - [SaeedDev94/Xray](https://github.com/SaeedDev94/Xray)
-  - [SimpleXray](https://github.com/lhear/SimpleXray)
+- iOS & macOS arm64
-  - [AnyPortal](https://github.com/AnyPortal/AnyPortal)
+  - [FoXray](https://apps.apple.com/app/foxray/id6448898396)
-- iOS & macOS arm64 & tvOS
-  - [Happ](https://apps.apple.com/app/happ-proxy-utility/id6504287215) ([tvOS](https://apps.apple.com/us/app/happ-proxy-utility-for-tv/id6748297274))
   - [Streisand](https://apps.apple.com/app/streisand/id6450534064)
-  - [OneXray](https://github.com/OneXray/OneXray)
 - macOS arm64 & x64
-  - [Happ](https://apps.apple.com/app/happ-proxy-utility/id6504287215)
   - [V2rayU](https://github.com/yanue/V2rayU)
   - [V2RayXS](https://github.com/tzmax/V2RayXS)
   - [Furious](https://github.com/LorenEteval/Furious)
-  - [OneXray](https://github.com/OneXray/OneXray)
+  - [FoXray](https://apps.apple.com/app/foxray/id6448898396)
-  - [GoXRay](https://github.com/goxray/desktop)
-  - [AnyPortal](https://github.com/AnyPortal/AnyPortal)
 - Linux
   - [v2rayA](https://github.com/v2rayA/v2rayA)
   - [Furious](https://github.com/LorenEteval/Furious)
-  - [GorzRay](https://github.com/ketetefid/GorzRay)
-  - [GoXRay](https://github.com/goxray/desktop)
-  - [AnyPortal](https://github.com/AnyPortal/AnyPortal)
 
 ## Others that support VLESS, XTLS, REALITY, XUDP, PLUX...
 
-- iOS & macOS arm64 & tvOS
+- iOS & macOS arm64
   - [Shadowrocket](https://apps.apple.com/app/shadowrocket/id932747118)
-  - [Loon](https://apps.apple.com/us/app/loon/id1373567447)
 - Xray Tools
   - [xray-knife](https://github.com/lilendian0x00/xray-knife)
-  - [xray-checker](https://github.com/kutovoys/xray-checker)
 - Xray Wrapper
   - [XTLS/libXray](https://github.com/XTLS/libXray)
-  - [xtls-sdk](https://github.com/remnawave/xtls-sdk)
   - [xtlsapi](https://github.com/hiddify/xtlsapi)
   - [AndroidLibXrayLite](https://github.com/2dust/AndroidLibXrayLite)
   - [Xray-core-python](https://github.com/LorenEteval/Xray-core-python)
@@ -130,43 +105,39 @@
 - [XrayR](https://github.com/XrayR-project/XrayR)
   - [XrayR-release](https://github.com/XrayR-project/XrayR-release)
   - [XrayR-V2Board](https://github.com/missuo/XrayR-V2Board)
-- Cores
+- [Clash.Meta](https://github.com/MetaCubeX/Clash.Meta)
-  - [Amnezia VPN](https://github.com/amnezia-vpn)
+  - [clashN](https://github.com/2dust/clashN)
-  - [mihomo](https://github.com/MetaCubeX/mihomo)
+  - [Clash Meta for Android](https://github.com/MetaCubeX/ClashMetaForAndroid)
-  - [sing-box](https://github.com/SagerNet/sing-box)
+- [sing-box](https://github.com/SagerNet/sing-box)
 
 ## Contributing
 
 [Code of Conduct](https://github.com/XTLS/Xray-core/blob/main/CODE_OF_CONDUCT.md)
 
-[![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/XTLS/Xray-core)
-
 ## Credits
 
 - [Xray-core v1.0.0](https://github.com/XTLS/Xray-core/releases/tag/v1.0.0) was forked from [v2fly-core 9a03cc5](https://github.com/v2fly/v2ray-core/commit/9a03cc5c98d04cc28320fcee26dbc236b3291256), and we have made & accumulated a huge number of enhancements over time, check [the release notes for each version](https://github.com/XTLS/Xray-core/releases).
 - For third-party projects used in [Xray-core](https://github.com/XTLS/Xray-core), check your local or [the latest go.mod](https://github.com/XTLS/Xray-core/blob/main/go.mod).
 
-## One-line Compilation
+## Compilation
 
 ### Windows (PowerShell)
 
 ```powershell
 $env:CGO_ENABLED=0
-go build -o xray.exe -trimpath -buildvcs=false -ldflags="-s -w -buildid=" -v ./main
+go build -o xray.exe -trimpath -ldflags "-s -w -buildid=" ./main
 ```
 
 ### Linux / macOS
 
 ```bash
-CGO_ENABLED=0 go build -o xray -trimpath -buildvcs=false -ldflags="-s -w -buildid=" -v ./main
+CGO_ENABLED=0 go build -o xray -trimpath -ldflags "-s -w -buildid=" ./main
 ```
 
 ### Reproducible Releases
 
-Make sure that you are using the same Go version, and remember to set the git commit id (7 bytes):
-
 ```bash
-CGO_ENABLED=0 go build -o xray -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=REPLACE -s -w -buildid=" -v ./main
+make
 ```
 
 ## Stargazers over time

app/commander/outbound.go

@@ -8,7 +8,6 @@ import (
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/net/cnc"
-	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/common/signal/done"
 	"github.com/xtls/xray-core/transport"
 )
@@ -109,13 +108,3 @@ func (co *Outbound) Close() error {
 	co.closed = true
 	return co.listener.Close()
 }
-
-// SenderSettings implements outbound.Handler.
-func (co *Outbound) SenderSettings() *serial.TypedMessage {
-	return nil
-}
-
-// ProxySettings implements outbound.Handler.
-func (co *Outbound) ProxySettings() *serial.TypedMessage {
-	return nil
-}

app/dispatcher/default.go

@@ -33,21 +33,23 @@ type cachedReader struct {
 	cache  buf.MultiBuffer
 }
 
-func (r *cachedReader) Cache(b *buf.Buffer, deadline time.Duration) error {
+func (r *cachedReader) Cache(b *buf.Buffer) {
-	mb, err := r.reader.ReadMultiBufferTimeout(deadline)
+	mb, _ := r.reader.ReadMultiBufferTimeout(time.Millisecond * 100)
-	if err != nil {
-		return err
-	}
 	r.Lock()
 	if !mb.IsEmpty() {
 		r.cache, _ = buf.MergeMulti(r.cache, mb)
 	}
+	cacheLen := r.cache.Len()
+	if cacheLen <= b.Cap() {
 		b.Clear()
-	rawBytes := b.Extend(min(r.cache.Len(), b.Cap()))
+	} else {
+		b.Release()
+		*b = *buf.NewWithSize(cacheLen)
+	}
+	rawBytes := b.Extend(cacheLen)
 	n := r.cache.Copy(rawBytes)
 	b.Resize(0, int32(n))
 	r.Unlock()
-	return nil
 }
 
 func (r *cachedReader) readInternal() buf.MultiBuffer {
@@ -96,6 +98,7 @@ type DefaultDispatcher struct {
 	router routing.Router
 	policy policy.Manager
 	stats  stats.Manager
+	dns    dns.Client
 	fdns   dns.FakeDNSEngine
 }
 
@@ -103,10 +106,10 @@ func init() {
 	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		d := new(DefaultDispatcher)
 		if err := core.RequireFeatures(ctx, func(om outbound.Manager, router routing.Router, pm policy.Manager, sm stats.Manager, dc dns.Client) error {
-			core.OptionalFeatures(ctx, func(fdns dns.FakeDNSEngine) {
+			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) {
 				d.fdns = fdns
 			})
-			return d.Init(config.(*Config), om, router, pm, sm)
+			return d.Init(config.(*Config), om, router, pm, sm, dc)
 		}); err != nil {
 			return nil, err
 		}
@@ -115,11 +118,12 @@ func init() {
 }
 
 // Init initializes DefaultDispatcher.
-func (d *DefaultDispatcher) Init(config *Config, om outbound.Manager, router routing.Router, pm policy.Manager, sm stats.Manager) error {
+func (d *DefaultDispatcher) Init(config *Config, om outbound.Manager, router routing.Router, pm policy.Manager, sm stats.Manager, dns dns.Client) error {
 	d.ohm = om
 	d.router = router
 	d.policy = pm
 	d.stats = sm
+	d.dns = dns
 	return nil
 }
 
@@ -177,18 +181,6 @@ func (d *DefaultDispatcher) getLink(ctx context.Context) (*transport.Link, *tran
 				}
 			}
 		}
-
-		if p.Stats.UserOnline {
-			name := "user>>>" + user.Email + ">>>online"
-			if om, _ := stats.GetOrRegisterOnlineMap(d.stats, name); om != nil {
-				sessionInbounds := session.InboundFromContext(ctx)
-				userIP := sessionInbounds.Source.Address.String()
-				om.AddIP(userIP)
-				// log Online user with ips
-				// errors.LogDebug(ctx, "user>>>" + user.Email + ">>>online", om.Count(), om.List())
-
-			}
-		}
 	}
 
 	return inboundLink, outboundLink
@@ -351,7 +343,7 @@ func (d *DefaultDispatcher) DispatchLink(ctx context.Context, destination net.De
 }
 
 func sniffer(ctx context.Context, cReader *cachedReader, metadataOnly bool, network net.Network) (SniffResult, error) {
-	payload := buf.NewWithSize(32767)
+	payload := buf.New()
 	defer payload.Release()
 
 	sniffer := NewSniffer(ctx)
@@ -363,36 +355,26 @@ func sniffer(ctx context.Context, cReader *cachedReader, metadataOnly bool, netw
 	}
 
 	contentResult, contentErr := func() (SniffResult, error) {
-		cacheDeadline := 200 * time.Millisecond
 		totalAttempt := 0
 		for {
 			select {
 			case <-ctx.Done():
 				return nil, ctx.Err()
 			default:
-				cachingStartingTimeStamp := time.Now()
+				totalAttempt++
-				err := cReader.Cache(payload, cacheDeadline)
+				if totalAttempt > 2 {
-				if err != nil {
+					return nil, errSniffingTimeout
-					return nil, err
 				}
-				cachingTimeElapsed := time.Since(cachingStartingTimeStamp)
-				cacheDeadline -= cachingTimeElapsed
 
+				cReader.Cache(payload)
 				if !payload.IsEmpty() {
 					result, err := sniffer.Sniff(ctx, payload.Bytes(), network)
-					switch err {
+					if err != common.ErrNoClue {
-					case common.ErrNoClue: // No Clue: protocol not matches, and sniffer cannot determine whether there will be a match or not
-						totalAttempt++
-					case protocol.ErrProtoNeedMoreData: // Protocol Need More Data: protocol matches, but need more data to complete sniffing
-						// in this case, do not add totalAttempt(allow to read until timeout)
-					default:
 						return result, err
 					}
-				} else {
-					totalAttempt++
 				}
-				if totalAttempt >= 2 || cacheDeadline <= 0 {
+				if payload.IsFull() {
-					return nil, errSniffingTimeout
+					return nil, errUnknownContent
 				}
 			}
 		}
@@ -408,6 +390,18 @@ func sniffer(ctx context.Context, cReader *cachedReader, metadataOnly bool, netw
 func (d *DefaultDispatcher) routedDispatch(ctx context.Context, link *transport.Link, destination net.Destination) {
 	outbounds := session.OutboundsFromContext(ctx)
 	ob := outbounds[len(outbounds)-1]
+	if hosts, ok := d.dns.(dns.HostsLookup); ok && destination.Address.Family().IsDomain() {
+		proxied := hosts.LookupHosts(ob.Target.String())
+		if proxied != nil {
+			ro := ob.RouteTarget == destination
+			destination.Address = *proxied
+			if ro {
+				ob.RouteTarget = destination
+			} else {
+				ob.Target = destination
+			}
+		}
+	}
 
 	var handler outbound.Handler
 

app/dispatcher/fakednssniffer.go

@@ -28,7 +28,7 @@ func newFakeDNSSniffer(ctx context.Context) (protocolSnifferWithMetadata, error)
 	}
 	return protocolSnifferWithMetadata{protocolSniffer: func(ctx context.Context, bytes []byte) (SniffResult, error) {
 		outbounds := session.OutboundsFromContext(ctx)
-		ob := outbounds[len(outbounds)-1]
+		ob := outbounds[len(outbounds) - 1]
 		if ob.Target.Network == net.Network_TCP || ob.Target.Network == net.Network_UDP {
 			domainFromFakeDNS := fakeDNSEngine.GetDomainFromFakeDNS(ob.Target.Address)
 			if domainFromFakeDNS != "" {

app/dispatcher/sniffer.go

@@ -6,7 +6,6 @@ import (
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/common/protocol/bittorrent"
 	"github.com/xtls/xray-core/common/protocol/http"
 	"github.com/xtls/xray-core/common/protocol/quic"
@@ -59,17 +58,14 @@ var errUnknownContent = errors.New("unknown content")
 func (s *Sniffer) Sniff(c context.Context, payload []byte, network net.Network) (SniffResult, error) {
 	var pendingSniffer []protocolSnifferWithMetadata
 	for _, si := range s.sniffer {
-		protocolSniffer := si.protocolSniffer
+		s := si.protocolSniffer
 		if si.metadataSniffer || si.network != network {
 			continue
 		}
-		result, err := protocolSniffer(c, payload)
+		result, err := s(c, payload)
 		if err == common.ErrNoClue {
 			pendingSniffer = append(pendingSniffer, si)
 			continue
-		} else if err == protocol.ErrProtoNeedMoreData { // Sniffer protocol matched, but need more data to complete sniffing
-			s.sniffer = []protocolSnifferWithMetadata{si}
-			return nil, err
 		}
 
 		if err == nil && result != nil {

app/dns/cache_controller.go

@@ -1,188 +0,0 @@
-package dns
-
-import (
-	"context"
-	go_errors "errors"
-	"github.com/xtls/xray-core/common"
-	"github.com/xtls/xray-core/common/errors"
-	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/signal/pubsub"
-	"github.com/xtls/xray-core/common/task"
-	dns_feature "github.com/xtls/xray-core/features/dns"
-	"golang.org/x/net/dns/dnsmessage"
-	"sync"
-	"time"
-)
-
-type CacheController struct {
-	sync.RWMutex
-	ips          map[string]*record
-	pub          *pubsub.Service
-	cacheCleanup *task.Periodic
-	name         string
-	disableCache bool
-}
-
-func NewCacheController(name string, disableCache bool) *CacheController {
-	c := &CacheController{
-		name:         name,
-		disableCache: disableCache,
-		ips:          make(map[string]*record),
-		pub:          pubsub.NewService(),
-	}
-
-	c.cacheCleanup = &task.Periodic{
-		Interval: time.Minute,
-		Execute:  c.CacheCleanup,
-	}
-	return c
-}
-
-// CacheCleanup clears expired items from cache
-func (c *CacheController) CacheCleanup() error {
-	now := time.Now()
-	c.Lock()
-	defer c.Unlock()
-
-	if len(c.ips) == 0 {
-		return errors.New("nothing to do. stopping...")
-	}
-
-	for domain, record := range c.ips {
-		if record.A != nil && record.A.Expire.Before(now) {
-			record.A = nil
-		}
-		if record.AAAA != nil && record.AAAA.Expire.Before(now) {
-			record.AAAA = nil
-		}
-
-		if record.A == nil && record.AAAA == nil {
-			errors.LogDebug(context.Background(), c.name, "cache cleanup ", domain)
-			delete(c.ips, domain)
-		} else {
-			c.ips[domain] = record
-		}
-	}
-
-	if len(c.ips) == 0 {
-		c.ips = make(map[string]*record)
-	}
-
-	return nil
-}
-
-func (c *CacheController) updateIP(req *dnsRequest, ipRec *IPRecord) {
-	elapsed := time.Since(req.start)
-
-	c.Lock()
-	rec, found := c.ips[req.domain]
-	if !found {
-		rec = &record{}
-	}
-
-	switch req.reqType {
-	case dnsmessage.TypeA:
-		rec.A = ipRec
-	case dnsmessage.TypeAAAA:
-		rec.AAAA = ipRec
-	}
-
-	errors.LogInfo(context.Background(), c.name, " got answer: ", req.domain, " ", req.reqType, " -> ", ipRec.IP, " ", elapsed)
-	c.ips[req.domain] = rec
-
-	switch req.reqType {
-	case dnsmessage.TypeA:
-		c.pub.Publish(req.domain+"4", nil)
-		if !c.disableCache {
-			_, _, err := rec.AAAA.getIPs()
-			if !go_errors.Is(err, errRecordNotFound) {
-				c.pub.Publish(req.domain+"6", nil)
-			}
-		}
-	case dnsmessage.TypeAAAA:
-		c.pub.Publish(req.domain+"6", nil)
-		if !c.disableCache {
-			_, _, err := rec.A.getIPs()
-			if !go_errors.Is(err, errRecordNotFound) {
-				c.pub.Publish(req.domain+"4", nil)
-			}
-		}
-	}
-
-	c.Unlock()
-	common.Must(c.cacheCleanup.Start())
-}
-
-func (c *CacheController) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, uint32, error) {
-	c.RLock()
-	record, found := c.ips[domain]
-	c.RUnlock()
-
-	if !found {
-		return nil, 0, errRecordNotFound
-	}
-
-	var errs []error
-	var allIPs []net.IP
-	var rTTL uint32 = dns_feature.DefaultTTL
-
-	mergeReq := option.IPv4Enable && option.IPv6Enable
-
-	if option.IPv4Enable {
-		ips, ttl, err := record.A.getIPs()
-		if !mergeReq || go_errors.Is(err, errRecordNotFound) {
-			return ips, ttl, err
-		}
-		if ttl < rTTL {
-			rTTL = ttl
-		}
-		if len(ips) > 0 {
-			allIPs = append(allIPs, ips...)
-		} else {
-			errs = append(errs, err)
-		}
-	}
-
-	if option.IPv6Enable {
-		ips, ttl, err := record.AAAA.getIPs()
-		if !mergeReq || go_errors.Is(err, errRecordNotFound) {
-			return ips, ttl, err
-		}
-		if ttl < rTTL {
-			rTTL = ttl
-		}
-		if len(ips) > 0 {
-			allIPs = append(allIPs, ips...)
-		} else {
-			errs = append(errs, err)
-		}
-	}
-
-	if len(allIPs) > 0 {
-		return allIPs, rTTL, nil
-	}
-	if go_errors.Is(errs[0], errs[1]) {
-		return nil, rTTL, errs[0]
-	}
-	return nil, rTTL, errors.Combine(errs...)
-}
-
-func (c *CacheController) registerSubscribers(domain string, option dns_feature.IPOption) (sub4 *pubsub.Subscriber, sub6 *pubsub.Subscriber) {
-	// ipv4 and ipv6 belong to different subscription groups
-	if option.IPv4Enable {
-		sub4 = c.pub.Subscribe(domain + "4")
-	}
-	if option.IPv6Enable {
-		sub6 = c.pub.Subscribe(domain + "6")
-	}
-	return
-}
-
-func closeSubscribers(sub4 *pubsub.Subscriber, sub6 *pubsub.Subscriber) {
-	if sub4 != nil {
-		sub4.Close()
-	}
-	if sub6 != nil {
-		sub6.Close()
-	}
-}

app/dns/config.pb.go

@@ -80,7 +80,6 @@ const (
 	QueryStrategy_USE_IP  QueryStrategy = 0
 	QueryStrategy_USE_IP4 QueryStrategy = 1
 	QueryStrategy_USE_IP6 QueryStrategy = 2
-	QueryStrategy_USE_SYS QueryStrategy = 3
 )
 
 // Enum value maps for QueryStrategy.
@@ -89,13 +88,11 @@ var (
 		0: "USE_IP",
 		1: "USE_IP4",
 		2: "USE_IP6",
-		3: "USE_SYS",
 	}
 	QueryStrategy_value = map[string]int32{
 		"USE_IP":  0,
 		"USE_IP4": 1,
 		"USE_IP6": 2,
-		"USE_SYS": 3,
 	}
 )
 
@@ -135,16 +132,9 @@ type NameServer struct {
 	ClientIp          []byte                       `protobuf:"bytes,5,opt,name=client_ip,json=clientIp,proto3" json:"client_ip,omitempty"`
 	SkipFallback      bool                         `protobuf:"varint,6,opt,name=skipFallback,proto3" json:"skipFallback,omitempty"`
 	PrioritizedDomain []*NameServer_PriorityDomain `protobuf:"bytes,2,rep,name=prioritized_domain,json=prioritizedDomain,proto3" json:"prioritized_domain,omitempty"`
-	ExpectedGeoip     []*router.GeoIP              `protobuf:"bytes,3,rep,name=expected_geoip,json=expectedGeoip,proto3" json:"expected_geoip,omitempty"`
+	Geoip             []*router.GeoIP              `protobuf:"bytes,3,rep,name=geoip,proto3" json:"geoip,omitempty"`
 	OriginalRules     []*NameServer_OriginalRule   `protobuf:"bytes,4,rep,name=original_rules,json=originalRules,proto3" json:"original_rules,omitempty"`
 	QueryStrategy     QueryStrategy                `protobuf:"varint,7,opt,name=query_strategy,json=queryStrategy,proto3,enum=xray.app.dns.QueryStrategy" json:"query_strategy,omitempty"`
-	ActPrior          bool                         `protobuf:"varint,8,opt,name=actPrior,proto3" json:"actPrior,omitempty"`
-	Tag               string                       `protobuf:"bytes,9,opt,name=tag,proto3" json:"tag,omitempty"`
-	TimeoutMs         uint64                       `protobuf:"varint,10,opt,name=timeoutMs,proto3" json:"timeoutMs,omitempty"`
-	DisableCache      bool                         `protobuf:"varint,11,opt,name=disableCache,proto3" json:"disableCache,omitempty"`
-	FinalQuery        bool                         `protobuf:"varint,12,opt,name=finalQuery,proto3" json:"finalQuery,omitempty"`
-	UnexpectedGeoip   []*router.GeoIP              `protobuf:"bytes,13,rep,name=unexpected_geoip,json=unexpectedGeoip,proto3" json:"unexpected_geoip,omitempty"`
-	ActUnprior        bool                         `protobuf:"varint,14,opt,name=actUnprior,proto3" json:"actUnprior,omitempty"`
 }
 
 func (x *NameServer) Reset() {
@@ -205,9 +195,9 @@ func (x *NameServer) GetPrioritizedDomain() []*NameServer_PriorityDomain {
 	return nil
 }
 
-func (x *NameServer) GetExpectedGeoip() []*router.GeoIP {
+func (x *NameServer) GetGeoip() []*router.GeoIP {
 	if x != nil {
-		return x.ExpectedGeoip
+		return x.Geoip
 	}
 	return nil
 }
@@ -226,55 +216,6 @@ func (x *NameServer) GetQueryStrategy() QueryStrategy {
 	return QueryStrategy_USE_IP
 }
 
-func (x *NameServer) GetActPrior() bool {
-	if x != nil {
-		return x.ActPrior
-	}
-	return false
-}
-
-func (x *NameServer) GetTag() string {
-	if x != nil {
-		return x.Tag
-	}
-	return ""
-}
-
-func (x *NameServer) GetTimeoutMs() uint64 {
-	if x != nil {
-		return x.TimeoutMs
-	}
-	return 0
-}
-
-func (x *NameServer) GetDisableCache() bool {
-	if x != nil {
-		return x.DisableCache
-	}
-	return false
-}
-
-func (x *NameServer) GetFinalQuery() bool {
-	if x != nil {
-		return x.FinalQuery
-	}
-	return false
-}
-
-func (x *NameServer) GetUnexpectedGeoip() []*router.GeoIP {
-	if x != nil {
-		return x.UnexpectedGeoip
-	}
-	return nil
-}
-
-func (x *NameServer) GetActUnprior() bool {
-	if x != nil {
-		return x.ActUnprior
-	}
-	return false
-}
-
 type Config struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -567,7 +508,7 @@ var file_app_dns_config_proto_rawDesc = []byte{
 	0x2e, 0x64, 0x6e, 0x73, 0x1a, 0x1c, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x6e, 0x65, 0x74,
 	0x2f, 0x64, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f,
 	0x74, 0x6f, 0x1a, 0x17, 0x61, 0x70, 0x70, 0x2f, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x2f, 0x63,
-	0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xb6, 0x06, 0x0a, 0x0a,
+	0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xb2, 0x04, 0x0a, 0x0a,
 	0x4e, 0x61, 0x6d, 0x65, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x12, 0x33, 0x0a, 0x07, 0x61, 0x64,
 	0x64, 0x72, 0x65, 0x73, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x19, 0x2e, 0x78, 0x72,
 	0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x45, 0x6e,
@@ -581,92 +522,75 @@ var file_app_dns_config_proto_rawDesc = []byte{
 	0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x64, 0x6e, 0x73, 0x2e, 0x4e, 0x61, 0x6d, 0x65,
 	0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2e, 0x50, 0x72, 0x69, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x44,
 	0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x52, 0x11, 0x70, 0x72, 0x69, 0x6f, 0x72, 0x69, 0x74, 0x69, 0x7a,
-	0x65, 0x64, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x12, 0x3d, 0x0a, 0x0e, 0x65, 0x78, 0x70, 0x65,
+	0x65, 0x64, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x12, 0x2c, 0x0a, 0x05, 0x67, 0x65, 0x6f, 0x69,
-	0x63, 0x74, 0x65, 0x64, 0x5f, 0x67, 0x65, 0x6f, 0x69, 0x70, 0x18, 0x03, 0x20, 0x03, 0x28, 0x0b,
+	0x70, 0x18, 0x03, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x16, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61,
-	0x32, 0x16, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74,
+	0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x2e, 0x47, 0x65, 0x6f, 0x49, 0x50, 0x52,
-	0x65, 0x72, 0x2e, 0x47, 0x65, 0x6f, 0x49, 0x50, 0x52, 0x0d, 0x65, 0x78, 0x70, 0x65, 0x63, 0x74,
+	0x05, 0x67, 0x65, 0x6f, 0x69, 0x70, 0x12, 0x4c, 0x0a, 0x0e, 0x6f, 0x72, 0x69, 0x67, 0x69, 0x6e,
-	0x65, 0x64, 0x47, 0x65, 0x6f, 0x69, 0x70, 0x12, 0x4c, 0x0a, 0x0e, 0x6f, 0x72, 0x69, 0x67, 0x69,
+	0x61, 0x6c, 0x5f, 0x72, 0x75, 0x6c, 0x65, 0x73, 0x18, 0x04, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x25,
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+	0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x64, 0x6e, 0x73, 0x2e, 0x4e, 0x61,
-	0x25, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x64, 0x6e, 0x73, 0x2e, 0x4e,
+	0x6d, 0x65, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2e, 0x4f, 0x72, 0x69, 0x67, 0x69, 0x6e, 0x61,
-	0x61, 0x6d, 0x65, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2e, 0x4f, 0x72, 0x69, 0x67, 0x69, 0x6e,
+	0x6c, 0x52, 0x75, 0x6c, 0x65, 0x52, 0x0d, 0x6f, 0x72, 0x69, 0x67, 0x69, 0x6e, 0x61, 0x6c, 0x52,
-	0x61, 0x6c, 0x52, 0x75, 0x6c, 0x65, 0x52, 0x0d, 0x6f, 0x72, 0x69, 0x67, 0x69, 0x6e, 0x61, 0x6c,
+	0x75, 0x6c, 0x65, 0x73, 0x12, 0x42, 0x0a, 0x0e, 0x71, 0x75, 0x65, 0x72, 0x79, 0x5f, 0x73, 0x74,
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-	0x68, 0x69, 0x6e, 0x67, 0x54, 0x79, 0x70, 0x65, 0x52, 0x04, 0x74, 0x79, 0x70, 0x65, 0x12, 0x16,
+	0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x61,
-	0x0a, 0x06, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06,
+	0x70, 0x70, 0x2f, 0x64, 0x6e, 0x73, 0xaa, 0x02, 0x0c, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70,
-	0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x70, 0x18, 0x03, 0x20, 0x03,
+	0x70, 0x2e, 0x44, 0x6e, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-	0x28, 0x0c, 0x52, 0x02, 0x69, 0x70, 0x12, 0x25, 0x0a, 0x0e, 0x70, 0x72, 0x6f, 0x78, 0x69, 0x65,
-	0x64, 0x5f, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0d,
-	0x70, 0x72, 0x6f, 0x78, 0x69, 0x65, 0x64, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x4a, 0x04, 0x08,
-	0x07, 0x10, 0x08, 0x2a, 0x45, 0x0a, 0x12, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x4d, 0x61, 0x74,
-	0x63, 0x68, 0x69, 0x6e, 0x67, 0x54, 0x79, 0x70, 0x65, 0x12, 0x08, 0x0a, 0x04, 0x46, 0x75, 0x6c,
-	0x6c, 0x10, 0x00, 0x12, 0x0d, 0x0a, 0x09, 0x53, 0x75, 0x62, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e,
-	0x10, 0x01, 0x12, 0x0b, 0x0a, 0x07, 0x4b, 0x65, 0x79, 0x77, 0x6f, 0x72, 0x64, 0x10, 0x02, 0x12,
-	0x09, 0x0a, 0x05, 0x52, 0x65, 0x67, 0x65, 0x78, 0x10, 0x03, 0x2a, 0x42, 0x0a, 0x0d, 0x51, 0x75,
-	0x65, 0x72, 0x79, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x0a, 0x0a, 0x06, 0x55,
-	0x53, 0x45, 0x5f, 0x49, 0x50, 0x10, 0x00, 0x12, 0x0b, 0x0a, 0x07, 0x55, 0x53, 0x45, 0x5f, 0x49,
-	0x50, 0x34, 0x10, 0x01, 0x12, 0x0b, 0x0a, 0x07, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x10,
-	0x02, 0x12, 0x0b, 0x0a, 0x07, 0x55, 0x53, 0x45, 0x5f, 0x53, 0x59, 0x53, 0x10, 0x03, 0x42, 0x46,
-	0x0a, 0x10, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x64,
-	0x6e, 0x73, 0x50, 0x01, 0x5a, 0x21, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d,
-	0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f,
-	0x61, 0x70, 0x70, 0x2f, 0x64, 0x6e, 0x73, 0xaa, 0x02, 0x0c, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41,
-	0x70, 0x70, 0x2e, 0x44, 0x6e, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -697,20 +621,19 @@ var file_app_dns_config_proto_goTypes = []any{
 var file_app_dns_config_proto_depIdxs = []int32{
 	7,  // 0: xray.app.dns.NameServer.address:type_name -> xray.common.net.Endpoint
 	4,  // 1: xray.app.dns.NameServer.prioritized_domain:type_name -> xray.app.dns.NameServer.PriorityDomain
-	8,  // 2: xray.app.dns.NameServer.expected_geoip:type_name -> xray.app.router.GeoIP
+	8,  // 2: xray.app.dns.NameServer.geoip:type_name -> xray.app.router.GeoIP
 	5,  // 3: xray.app.dns.NameServer.original_rules:type_name -> xray.app.dns.NameServer.OriginalRule
 	1,  // 4: xray.app.dns.NameServer.query_strategy:type_name -> xray.app.dns.QueryStrategy
-	8,  // 5: xray.app.dns.NameServer.unexpected_geoip:type_name -> xray.app.router.GeoIP
+	2,  // 5: xray.app.dns.Config.name_server:type_name -> xray.app.dns.NameServer
-	2,  // 6: xray.app.dns.Config.name_server:type_name -> xray.app.dns.NameServer
+	6,  // 6: xray.app.dns.Config.static_hosts:type_name -> xray.app.dns.Config.HostMapping
-	6,  // 7: xray.app.dns.Config.static_hosts:type_name -> xray.app.dns.Config.HostMapping
+	1,  // 7: xray.app.dns.Config.query_strategy:type_name -> xray.app.dns.QueryStrategy
-	1,  // 8: xray.app.dns.Config.query_strategy:type_name -> xray.app.dns.QueryStrategy
+	0,  // 8: xray.app.dns.NameServer.PriorityDomain.type:type_name -> xray.app.dns.DomainMatchingType
-	0,  // 9: xray.app.dns.NameServer.PriorityDomain.type:type_name -> xray.app.dns.DomainMatchingType
+	0,  // 9: xray.app.dns.Config.HostMapping.type:type_name -> xray.app.dns.DomainMatchingType
-	0,  // 10: xray.app.dns.Config.HostMapping.type:type_name -> xray.app.dns.DomainMatchingType
+	10, // [10:10] is the sub-list for method output_type
-	11, // [11:11] is the sub-list for method output_type
+	10, // [10:10] is the sub-list for method input_type
-	11, // [11:11] is the sub-list for method input_type
+	10, // [10:10] is the sub-list for extension type_name
-	11, // [11:11] is the sub-list for extension type_name
+	10, // [10:10] is the sub-list for extension extendee
-	11, // [11:11] is the sub-list for extension extendee
+	0,  // [0:10] is the sub-list for field type_name
-	0,  // [0:11] is the sub-list for field type_name
 }
 
 func init() { file_app_dns_config_proto_init() }

app/dns/config.proto

@@ -25,16 +25,9 @@ message NameServer {
   }
 
   repeated PriorityDomain prioritized_domain = 2;
-  repeated xray.app.router.GeoIP expected_geoip = 3;
+  repeated xray.app.router.GeoIP geoip = 3;
   repeated OriginalRule original_rules = 4;
   QueryStrategy query_strategy = 7;
-  bool actPrior = 8;
-  string tag = 9;
-  uint64 timeoutMs = 10;
-  bool disableCache = 11;
-  bool finalQuery = 12;
-  repeated xray.app.router.GeoIP unexpected_geoip = 13;
-  bool actUnprior = 14;
 }
 
 enum DomainMatchingType {
@@ -48,7 +41,6 @@ enum QueryStrategy {
   USE_IP = 0;
   USE_IP4 = 1;
   USE_IP6 = 2;
-  USE_SYS = 3;
 }
 
 message Config {

app/dns/dns.go

@@ -3,12 +3,11 @@ package dns
 
 import (
 	"context"
-	go_errors "errors"
 	"fmt"
-	"sort"
 	"strings"
 	"sync"
 
+	"github.com/xtls/xray-core/app/router"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
@@ -20,6 +19,8 @@ import (
 // DNS is a DNS rely server.
 type DNS struct {
 	sync.Mutex
+	tag                    string
+	disableCache           bool
 	disableFallback        bool
 	disableFallbackIfMatch bool
 	ipOption               *dns.IPOption
@@ -28,7 +29,6 @@ type DNS struct {
 	ctx                    context.Context
 	domainMatcher          strmatcher.IndexMatcher
 	matcherInfos           []*DomainMatcherInfo
-	checkSystem            bool
 }
 
 // DomainMatcherInfo contains information attached to index returned by Server.domainMatcher
@@ -39,6 +39,13 @@ type DomainMatcherInfo struct {
 
 // New creates a new DNS server with given configuration.
 func New(ctx context.Context, config *Config) (*DNS, error) {
+	var tag string
+	if len(config.Tag) > 0 {
+		tag = config.Tag
+	} else {
+		tag = generateRandomTag()
+	}
+
 	var clientIP net.IP
 	switch len(config.ClientIp) {
 	case 0, net.IPv4len, net.IPv6len:
@@ -47,36 +54,26 @@ func New(ctx context.Context, config *Config) (*DNS, error) {
 		return nil, errors.New("unexpected client IP length ", len(config.ClientIp))
 	}
 
-	var ipOption dns.IPOption
+	var ipOption *dns.IPOption
-	checkSystem := false
 	switch config.QueryStrategy {
 	case QueryStrategy_USE_IP:
-		ipOption = dns.IPOption{
+		ipOption = &dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
 		}
-	case QueryStrategy_USE_SYS:
-		ipOption = dns.IPOption{
-			IPv4Enable: true,
-			IPv6Enable: true,
-			FakeEnable: false,
-		}
-		checkSystem = true
 	case QueryStrategy_USE_IP4:
-		ipOption = dns.IPOption{
+		ipOption = &dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: false,
 			FakeEnable: false,
 		}
 	case QueryStrategy_USE_IP6:
-		ipOption = dns.IPOption{
+		ipOption = &dns.IPOption{
 			IPv4Enable: false,
 			IPv6Enable: true,
 			FakeEnable: false,
 		}
-	default:
-		return nil, errors.New("unexpected query strategy ", config.QueryStrategy)
 	}
 
 	hosts, err := NewStaticHosts(config.StaticHosts)
@@ -84,14 +81,8 @@ func New(ctx context.Context, config *Config) (*DNS, error) {
 		return nil, errors.New("failed to create hosts").Base(err)
 	}
 
-	var clients []*Client
+	clients := []*Client{}
 	domainRuleCount := 0
-
-	var defaultTag = config.Tag
-	if len(config.Tag) == 0 {
-		defaultTag = generateRandomTag()
-	}
-
 	for _, ns := range config.NameServer {
 		domainRuleCount += len(ns.PrioritizedDomain)
 	}
@@ -99,6 +90,7 @@ func New(ctx context.Context, config *Config) (*DNS, error) {
 	// MatcherInfos is ensured to cover the maximum index domainMatcher could return, where matcher's index starts from 1
 	matcherInfos := make([]*DomainMatcherInfo, domainRuleCount+1)
 	domainMatcher := &strmatcher.MatcherGroup{}
+	geoipContainer := router.GeoIPMatcherContainer{}
 
 	for _, ns := range config.NameServer {
 		clientIdx := len(clients)
@@ -116,19 +108,7 @@ func New(ctx context.Context, config *Config) (*DNS, error) {
 		case net.IPv4len, net.IPv6len:
 			myClientIP = net.IP(ns.ClientIp)
 		}
-
+		client, err := NewClient(ctx, ns, myClientIP, geoipContainer, &matcherInfos, updateDomain)
-		disableCache := config.DisableCache || ns.DisableCache
-
-		var tag = defaultTag
-		if len(ns.Tag) > 0 {
-			tag = ns.Tag
-		}
-		clientIPOption := ResolveIpOptionOverride(ns.QueryStrategy, ipOption)
-		if !clientIPOption.IPv4Enable && !clientIPOption.IPv6Enable {
-			return nil, errors.New("no QueryStrategy available for ", ns.Address)
-		}
-
-		client, err := NewClient(ctx, ns, myClientIP, disableCache, tag, clientIPOption, &matcherInfos, updateDomain)
 		if err != nil {
 			return nil, errors.New("failed to create client").Base(err)
 		}
@@ -137,19 +117,20 @@ func New(ctx context.Context, config *Config) (*DNS, error) {
 
 	// If there is no DNS client in config, add a `localhost` DNS client
 	if len(clients) == 0 {
-		clients = append(clients, NewLocalDNSClient(ipOption))
+		clients = append(clients, NewLocalDNSClient())
 	}
 
 	return &DNS{
+		tag:                    tag,
 		hosts:                  hosts,
-		ipOption:               &ipOption,
+		ipOption:               ipOption,
 		clients:                clients,
 		ctx:                    ctx,
 		domainMatcher:          domainMatcher,
 		matcherInfos:           matcherInfos,
+		disableCache:           config.DisableCache,
 		disableFallback:        config.DisableFallback,
 		disableFallbackIfMatch: config.DisableFallbackIfMatch,
-		checkSystem:            checkSystem,
 	}, nil
 }
 
@@ -171,101 +152,94 @@ func (s *DNS) Close() error {
 // IsOwnLink implements proxy.dns.ownLinkVerifier
 func (s *DNS) IsOwnLink(ctx context.Context) bool {
 	inbound := session.InboundFromContext(ctx)
-	if inbound == nil {
+	return inbound != nil && inbound.Tag == s.tag
-		return false
-	}
-	for _, client := range s.clients {
-		if client.tag == inbound.Tag {
-			return true
-		}
-	}
-	return false
 }
 
 // LookupIP implements dns.Client.
-func (s *DNS) LookupIP(domain string, option dns.IPOption) ([]net.IP, uint32, error) {
+func (s *DNS) LookupIP(domain string, option dns.IPOption) ([]net.IP, error) {
-	// Normalize the FQDN form query
-	domain = strings.TrimSuffix(domain, ".")
 	if domain == "" {
-		return nil, 0, errors.New("empty domain name")
+		return nil, errors.New("empty domain name")
 	}
 
-	if s.checkSystem {
-		supportIPv4, supportIPv6 := checkSystemNetwork()
-		option.IPv4Enable = option.IPv4Enable && supportIPv4
-		option.IPv6Enable = option.IPv6Enable && supportIPv6
-	} else {
 	option.IPv4Enable = option.IPv4Enable && s.ipOption.IPv4Enable
 	option.IPv6Enable = option.IPv6Enable && s.ipOption.IPv6Enable
-	}
 
 	if !option.IPv4Enable && !option.IPv6Enable {
-		return nil, 0, dns.ErrEmptyResponse
+		return nil, dns.ErrEmptyResponse
 	}
 
+	// Normalize the FQDN form query
+	domain = strings.TrimSuffix(domain, ".")
+
 	// Static host lookup
-	switch addrs, err := s.hosts.Lookup(domain, option); {
+	switch addrs := s.hosts.Lookup(domain, option); {
-	case err != nil:
-		if go_errors.Is(err, dns.ErrEmptyResponse) {
-			return nil, 0, dns.ErrEmptyResponse
-		}
-		return nil, 0, errors.New("returning nil for domain ", domain).Base(err)
 	case addrs == nil: // Domain not recorded in static host
 		break
 	case len(addrs) == 0: // Domain recorded, but no valid IP returned (e.g. IPv4 address with only IPv6 enabled)
-		return nil, 0, dns.ErrEmptyResponse
+		return nil, dns.ErrEmptyResponse
 	case len(addrs) == 1 && addrs[0].Family().IsDomain(): // Domain replacement
 		errors.LogInfo(s.ctx, "domain replaced: ", domain, " -> ", addrs[0].Domain())
 		domain = addrs[0].Domain()
 	default: // Successfully found ip records in static host
 		errors.LogInfo(s.ctx, "returning ", len(addrs), " IP(s) for domain ", domain, " -> ", addrs)
-		ips, err := toNetIP(addrs)
+		return toNetIP(addrs)
-		if err != nil {
-			return nil, 0, err
-		}
-		return ips, 10, nil // Hosts ttl is 10
 	}
 
 	// Name servers lookup
-	var errs []error
+	errs := []error{}
+	ctx := session.ContextWithInbound(s.ctx, &session.Inbound{Tag: s.tag})
 	for _, client := range s.sortClients(domain) {
 		if !option.FakeEnable && strings.EqualFold(client.Name(), "FakeDNS") {
 			errors.LogDebug(s.ctx, "skip DNS resolution for domain ", domain, " at server ", client.Name())
 			continue
 		}
-
+		ips, err := client.QueryIP(ctx, domain, option, s.disableCache)
-		ips, ttl, err := client.QueryIP(s.ctx, domain, option)
-
 		if len(ips) > 0 {
-			if ttl == 0 {
+			return ips, nil
-				ttl = 1
 		}
-			return ips, ttl, nil
+		if err != nil {
-		}
-
 			errors.LogInfoInner(s.ctx, err, "failed to lookup ip for domain ", domain, " at server ", client.Name())
-		if err == nil {
-			err = dns.ErrEmptyResponse
-		}
 			errs = append(errs, err)
-
+		}
-		if client.IsFinalQuery() {
+		// 5 for RcodeRefused in miekg/dns, hardcode to reduce binary size
-			break
+		if err != context.Canceled && err != context.DeadlineExceeded && err != errExpectedIPNonMatch && err != dns.ErrEmptyResponse && dns.RCodeFromError(err) != 5 {
+			return nil, err
 		}
 	}
 
-	if len(errs) > 0 {
+	return nil, errors.New("returning nil for domain ", domain).Base(errors.Combine(errs...))
-		allErrs := errors.Combine(errs...)
+}
-		err0 := errs[0]
+
-		if errors.AllEqual(err0, allErrs) {
+// LookupHosts implements dns.HostsLookup.
-			if go_errors.Is(err0, dns.ErrEmptyResponse) {
+func (s *DNS) LookupHosts(domain string) *net.Address {
-				return nil, 0, dns.ErrEmptyResponse
+	domain = strings.TrimSuffix(domain, ".")
+	if domain == "" {
+		return nil
 	}
-			return nil, 0, errors.New("returning nil for domain ", domain).Base(err0)
+	// Normalize the FQDN form query
+	addrs := s.hosts.Lookup(domain, *s.ipOption)
+	if len(addrs) > 0 {
+		errors.LogInfo(s.ctx, "domain replaced: ", domain, " -> ", addrs[0].String())
+		return &addrs[0]
 	}
-		return nil, 0, errors.New("returning nil for domain ", domain).Base(allErrs)
+
-	}
+	return nil
-	return nil, 0, dns.ErrEmptyResponse
+}
+
+// GetIPOption implements ClientWithIPOption.
+func (s *DNS) GetIPOption() *dns.IPOption {
+	return s.ipOption
+}
+
+// SetQueryOption implements ClientWithIPOption.
+func (s *DNS) SetQueryOption(isIPv4Enable, isIPv6Enable bool) {
+	s.ipOption.IPv4Enable = isIPv4Enable
+	s.ipOption.IPv6Enable = isIPv6Enable
+}
+
+// SetFakeDNSOption implements ClientWithIPOption.
+func (s *DNS) SetFakeDNSOption(isFakeEnable bool) {
+	s.ipOption.FakeEnable = isFakeEnable
 }
 
 func (s *DNS) sortClients(domain string) []*Client {
@@ -276,11 +250,7 @@ func (s *DNS) sortClients(domain string) []*Client {
 
 	// Priority domain matching
 	hasMatch := false
-	MatchSlice := s.domainMatcher.Match(domain)
+	for _, match := range s.domainMatcher.Match(domain) {
-	sort.Slice(MatchSlice, func(i, j int) bool {
-		return MatchSlice[i] < MatchSlice[j]
-	})
-	for _, match := range MatchSlice {
 		info := s.matcherInfos[match]
 		client := s.clients[info.clientIdx]
 		domainRule := client.domains[info.domainRuleIdx]
@@ -327,22 +297,3 @@ func init() {
 		return New(ctx, config.(*Config))
 	}))
 }
-
-func checkSystemNetwork() (supportIPv4 bool, supportIPv6 bool) {
-	conn4, err4 := net.Dial("udp4", "8.8.8.8:53")
-	if err4 != nil {
-		supportIPv4 = false
-	} else {
-		supportIPv4 = true
-		conn4.Close()
-	}
-
-	conn6, err6 := net.Dial("udp6", "[2001:4860:4860::8888]:53")
-	if err6 != nil {
-		supportIPv6 = false
-	} else {
-		supportIPv6 = true
-		conn6.Close()
-	}
-	return
-}

app/dns/dns_test.go

@@ -76,9 +76,6 @@ func (*staticHandler) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
 		case q.Name == "notexist.google.com." && q.Qtype == dns.TypeAAAA:
 			ans.MsgHdr.Rcode = dns.RcodeNameError
 
-		case q.Name == "notexist.google.com." && q.Qtype == dns.TypeA:
-			ans.MsgHdr.Rcode = dns.RcodeNameError
-
 		case q.Name == "hostname." && q.Qtype == dns.TypeA:
 			rr, _ := dns.NewRR("hostname. IN A 127.0.0.1")
 			ans.Answer = append(ans.Answer, rr)
@@ -120,6 +117,7 @@ func TestUDPServerSubnet(t *testing.T) {
 		Handler: &staticHandler{},
 		UDPSize: 1200,
 	}
+
 	go dnsServer.ListenAndServe()
 	time.Sleep(time.Second)
 
@@ -157,7 +155,7 @@ func TestUDPServerSubnet(t *testing.T) {
 
 	client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
 
-	ips, _, err := client.LookupIP("google.com", feature_dns.IPOption{
+	ips, err := client.LookupIP("google.com", feature_dns.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 		FakeEnable: false,
@@ -218,7 +216,7 @@ func TestUDPServer(t *testing.T) {
 	client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
 
 	{
-		ips, _, err := client.LookupIP("google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -233,7 +231,7 @@ func TestUDPServer(t *testing.T) {
 	}
 
 	{
-		ips, _, err := client.LookupIP("facebook.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("facebook.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -248,7 +246,7 @@ func TestUDPServer(t *testing.T) {
 	}
 
 	{
-		_, _, err := client.LookupIP("notexist.google.com", feature_dns.IPOption{
+		_, err := client.LookupIP("notexist.google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -262,7 +260,7 @@ func TestUDPServer(t *testing.T) {
 	}
 
 	{
-		ips, _, err := client.LookupIP("ipv4only.google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("ipv4only.google.com", feature_dns.IPOption{
 			IPv4Enable: false,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -278,7 +276,7 @@ func TestUDPServer(t *testing.T) {
 	dnsServer.Shutdown()
 
 	{
-		ips, _, err := client.LookupIP("google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -359,7 +357,7 @@ func TestPrioritizedDomain(t *testing.T) {
 	startTime := time.Now()
 
 	{
-		ips, _, err := client.LookupIP("google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -425,7 +423,7 @@ func TestUDPServerIPv6(t *testing.T) {
 
 	client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
 	{
-		ips, _, err := client.LookupIP("ipv6.google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("ipv6.google.com", feature_dns.IPOption{
 			IPv4Enable: false,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -494,7 +492,7 @@ func TestStaticHostDomain(t *testing.T) {
 	client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
 
 	{
-		ips, _, err := client.LookupIP("example.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("example.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -539,7 +537,7 @@ func TestIPMatch(t *testing.T) {
 							},
 							Port: uint32(port),
 						},
-						ExpectedGeoip: []*router.GeoIP{
+						Geoip: []*router.GeoIP{
 							{
 								CountryCode: "local",
 								Cidr: []*router.CIDR{
@@ -563,7 +561,7 @@ func TestIPMatch(t *testing.T) {
 							},
 							Port: uint32(port),
 						},
-						ExpectedGeoip: []*router.GeoIP{
+						Geoip: []*router.GeoIP{
 							{
 								CountryCode: "test",
 								Cidr: []*router.CIDR{
@@ -605,7 +603,7 @@ func TestIPMatch(t *testing.T) {
 	startTime := time.Now()
 
 	{
-		ips, _, err := client.LookupIP("google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -667,7 +665,7 @@ func TestLocalDomain(t *testing.T) {
 							// Equivalent of dotless:localhost
 							{Type: DomainMatchingType_Regex, Domain: "^[^.]*localhost[^.]*$"},
 						},
-						ExpectedGeoip: []*router.GeoIP{
+						Geoip: []*router.GeoIP{
 							{ // Will match localhost, localhost-a and localhost-b,
 								CountryCode: "local",
 								Cidr: []*router.CIDR{
@@ -728,7 +726,7 @@ func TestLocalDomain(t *testing.T) {
 	startTime := time.Now()
 
 	{ // Will match dotless:
-		ips, _, err := client.LookupIP("hostname", feature_dns.IPOption{
+		ips, err := client.LookupIP("hostname", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -743,7 +741,7 @@ func TestLocalDomain(t *testing.T) {
 	}
 
 	{ // Will match domain:local
-		ips, _, err := client.LookupIP("hostname.local", feature_dns.IPOption{
+		ips, err := client.LookupIP("hostname.local", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -758,7 +756,7 @@ func TestLocalDomain(t *testing.T) {
 	}
 
 	{ // Will match static ip
-		ips, _, err := client.LookupIP("hostnamestatic", feature_dns.IPOption{
+		ips, err := client.LookupIP("hostnamestatic", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -773,7 +771,7 @@ func TestLocalDomain(t *testing.T) {
 	}
 
 	{ // Will match domain replacing
-		ips, _, err := client.LookupIP("hostnamealias", feature_dns.IPOption{
+		ips, err := client.LookupIP("hostnamealias", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -787,8 +785,8 @@ func TestLocalDomain(t *testing.T) {
 		}
 	}
 
-	{ // Will match dotless:localhost, but not expectedIPs: 127.0.0.2, 127.0.0.3, then matches at dotless:
+	{ // Will match dotless:localhost, but not expectIPs: 127.0.0.2, 127.0.0.3, then matches at dotless:
-		ips, _, err := client.LookupIP("localhost", feature_dns.IPOption{
+		ips, err := client.LookupIP("localhost", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -802,8 +800,8 @@ func TestLocalDomain(t *testing.T) {
 		}
 	}
 
-	{ // Will match dotless:localhost, and expectedIPs: 127.0.0.2, 127.0.0.3
+	{ // Will match dotless:localhost, and expectIPs: 127.0.0.2, 127.0.0.3
-		ips, _, err := client.LookupIP("localhost-a", feature_dns.IPOption{
+		ips, err := client.LookupIP("localhost-a", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -817,8 +815,8 @@ func TestLocalDomain(t *testing.T) {
 		}
 	}
 
-	{ // Will match dotless:localhost, and expectedIPs: 127.0.0.2, 127.0.0.3
+	{ // Will match dotless:localhost, and expectIPs: 127.0.0.2, 127.0.0.3
-		ips, _, err := client.LookupIP("localhost-b", feature_dns.IPOption{
+		ips, err := client.LookupIP("localhost-b", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -833,7 +831,7 @@ func TestLocalDomain(t *testing.T) {
 	}
 
 	{ // Will match dotless:
-		ips, _, err := client.LookupIP("Mijia Cloud", feature_dns.IPOption{
+		ips, err := client.LookupIP("Mijia Cloud", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -897,7 +895,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
 								Domain: "google.com",
 							},
 						},
-						ExpectedGeoip: []*router.GeoIP{
+						Geoip: []*router.GeoIP{
 							{ // Will only match 8.8.8.8 and 8.8.4.4
 								Cidr: []*router.CIDR{
 									{Ip: []byte{8, 8, 8, 8}, Prefix: 32},
@@ -922,7 +920,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
 								Domain: "google.com",
 							},
 						},
-						ExpectedGeoip: []*router.GeoIP{
+						Geoip: []*router.GeoIP{
 							{ // Will match 8.8.8.8 and 8.8.8.7, etc
 								Cidr: []*router.CIDR{
 									{Ip: []byte{8, 8, 8, 7}, Prefix: 24},
@@ -946,7 +944,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
 								Domain: "api.google.com",
 							},
 						},
-						ExpectedGeoip: []*router.GeoIP{
+						Geoip: []*router.GeoIP{
 							{ // Will only match 8.8.7.7 (api.google.com)
 								Cidr: []*router.CIDR{
 									{Ip: []byte{8, 8, 7, 7}, Prefix: 32},
@@ -970,7 +968,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
 								Domain: "v2.api.google.com",
 							},
 						},
-						ExpectedGeoip: []*router.GeoIP{
+						Geoip: []*router.GeoIP{
 							{ // Will only match 8.8.7.8 (v2.api.google.com)
 								Cidr: []*router.CIDR{
 									{Ip: []byte{8, 8, 7, 8}, Prefix: 32},
@@ -999,7 +997,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
 	startTime := time.Now()
 
 	{ // Will match server 1,2 and server 1 returns expected ip
-		ips, _, err := client.LookupIP("google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -1014,7 +1012,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
 	}
 
 	{ // Will match server 1,2 and server 1 returns unexpected ip, then server 2 returns expected one
-		ips, _, err := client.LookupIP("ipv6.google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("ipv6.google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: false,
 			FakeEnable: false,
@@ -1029,7 +1027,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
 	}
 
 	{ // Will match server 3,1,2 and server 3 returns expected one
-		ips, _, err := client.LookupIP("api.google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("api.google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -1044,7 +1042,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
 	}
 
 	{ // Will match server 4,3,1,2 and server 4 returns expected one
-		ips, _, err := client.LookupIP("v2.api.google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("v2.api.google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,

app/dns/dnscommon.go

@@ -32,30 +32,29 @@ type record struct {
 // IPRecord is a cacheable item for a resolved domain
 type IPRecord struct {
 	ReqID  uint16
-	IP        []net.IP
+	IP     []net.Address
 	Expire time.Time
 	RCode  dnsmessage.RCode
-	RawHeader *dnsmessage.Header
 }
 
-func (r *IPRecord) getIPs() ([]net.IP, uint32, error) {
+func (r *IPRecord) getIPs() ([]net.Address, error) {
-	if r == nil {
+	if r == nil || r.Expire.Before(time.Now()) {
-		return nil, 0, errRecordNotFound
+		return nil, errRecordNotFound
 	}
-	untilExpire := time.Until(r.Expire)
-	if untilExpire <= 0 {
-		return nil, 0, errRecordNotFound
-	}
-
-	ttl := uint32(untilExpire/time.Second) + uint32(1)
 	if r.RCode != dnsmessage.RCodeSuccess {
-		return nil, ttl, dns_feature.RCodeError(r.RCode)
+		return nil, dns_feature.RCodeError(r.RCode)
-	}
-	if len(r.IP) == 0 {
-		return nil, ttl, dns_feature.ErrEmptyResponse
 	}
+	return r.IP, nil
+}
 
-	return r.IP, ttl, nil
+func isNewer(baseRec *IPRecord, newRec *IPRecord) bool {
+	if newRec == nil {
+		return false
+	}
+	if baseRec == nil {
+		return true
+	}
+	return baseRec.Expire.Before(newRec.Expire)
 }
 
 var errRecordNotFound = errors.New("record not found")
@@ -68,20 +67,11 @@ type dnsRequest struct {
 	msg     *dnsmessage.Message
 }
 
-func genEDNS0Options(clientIP net.IP, padding int) *dnsmessage.Resource {
+func genEDNS0Options(clientIP net.IP) *dnsmessage.Resource {
-	if len(clientIP) == 0 && padding == 0 {
+	if len(clientIP) == 0 {
 		return nil
 	}
 
-	const EDNS0SUBNET = 0x8
-	const EDNS0PADDING = 0xc
-
-	opt := new(dnsmessage.Resource)
-	common.Must(opt.Header.SetEDNS0(1350, 0xfe00, true))
-	body := dnsmessage.OPTResource{}
-	opt.Body = &body
-
-	if len(clientIP) != 0 {
 	var netmask int
 	var family uint16
 
@@ -108,19 +98,18 @@ func genEDNS0Options(clientIP net.IP, padding int) *dnsmessage.Resource {
 		b = append(b, ip[:needLength]...)
 	}
 
-		body.Options = append(body.Options,
+	const EDNS0SUBNET = 0x08
-			dnsmessage.Option{
+
+	opt := new(dnsmessage.Resource)
+	common.Must(opt.Header.SetEDNS0(1350, 0xfe00, true))
+
+	opt.Body = &dnsmessage.OPTResource{
+		Options: []dnsmessage.Option{
+			{
 				Code: EDNS0SUBNET,
 				Data: b,
-			})
+			},
-	}
+		},
-
-	if padding != 0 {
-		body.Options = append(body.Options,
-			dnsmessage.Option{
-				Code: EDNS0PADDING,
-				Data: make([]byte, padding),
-			})
 	}
 
 	return opt
@@ -192,8 +181,7 @@ func parseResponse(payload []byte) (*IPRecord, error) {
 	ipRecord := &IPRecord{
 		ReqID:  h.ID,
 		RCode:  h.RCode,
-		Expire:    now.Add(time.Second * dns_feature.DefaultTTL),
+		Expire: now.Add(time.Second * 600),
-		RawHeader: &h,
 	}
 
 L:
@@ -208,7 +196,7 @@ L:
 
 		ttl := ah.TTL
 		if ttl == 0 {
-			ttl = 1
+			ttl = 600
 		}
 		expire := now.Add(time.Duration(ttl) * time.Second)
 		if ipRecord.Expire.After(expire) {
@@ -222,17 +210,14 @@ L:
 				errors.LogInfoInner(context.Background(), err, "failed to parse A record for domain: ", ah.Name)
 				break L
 			}
-			ipRecord.IP = append(ipRecord.IP, net.IPAddress(ans.A[:]).IP())
+			ipRecord.IP = append(ipRecord.IP, net.IPAddress(ans.A[:]))
 		case dnsmessage.TypeAAAA:
 			ans, err := parser.AAAAResource()
 			if err != nil {
 				errors.LogInfoInner(context.Background(), err, "failed to parse AAAA record for domain: ", ah.Name)
 				break L
 			}
-			newIP := net.IPAddress(ans.AAAA[:]).IP()
+			ipRecord.IP = append(ipRecord.IP, net.IPAddress(ans.AAAA[:]))
-			if len(newIP) == net.IPv6len {
-				ipRecord.IP = append(ipRecord.IP, newIP)
-			}
 		default:
 			if err := parser.SkipAnswer(); err != nil {
 				errors.LogInfoInner(context.Background(), err, "failed to skip answer")

app/dns/dnscommon_test.go

@@ -51,7 +51,7 @@ func Test_parseResponse(t *testing.T) {
 	}{
 		{
 			"empty",
-			&IPRecord{0, []net.IP(nil), time.Time{}, dnsmessage.RCodeSuccess, nil},
+			&IPRecord{0, []net.Address(nil), time.Time{}, dnsmessage.RCodeSuccess},
 			false,
 		},
 		{
@@ -63,16 +63,15 @@ func Test_parseResponse(t *testing.T) {
 			"a record",
 			&IPRecord{
 				1,
-				[]net.IP{net.ParseIP("8.8.8.8"), net.ParseIP("8.8.4.4")},
+				[]net.Address{net.ParseAddress("8.8.8.8"), net.ParseAddress("8.8.4.4")},
 				time.Time{},
 				dnsmessage.RCodeSuccess,
-				nil,
 			},
 			false,
 		},
 		{
 			"aaaa record",
-			&IPRecord{2, []net.IP{net.ParseIP("2001::123:8888"), net.ParseIP("2001::123:8844")}, time.Time{}, dnsmessage.RCodeSuccess, nil},
+			&IPRecord{2, []net.Address{net.ParseAddress("2001::123:8888"), net.ParseAddress("2001::123:8844")}, time.Time{}, dnsmessage.RCodeSuccess},
 			false,
 		},
 	}
@@ -85,12 +84,11 @@ func Test_parseResponse(t *testing.T) {
 			}
 
 			if got != nil {
-				// reset the time and RawHeader
+				// reset the time
 				got.Expire = time.Time{}
-				got.RawHeader = nil
 			}
 			if cmp.Diff(got, tt.want) != "" {
-				t.Error(cmp.Diff(got, tt.want))
+				t.Errorf(cmp.Diff(got, tt.want))
 				// t.Errorf("handleResponse() = %#v, want %#v", got, tt.want)
 			}
 		})
@@ -156,7 +154,7 @@ func Test_genEDNS0Options(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			if got := genEDNS0Options(tt.args.clientIP, 0); got == nil {
+			if got := genEDNS0Options(tt.args.clientIP); got == nil {
 				t.Errorf("genEDNS0Options() = %v, want %v", got, tt.want)
 			}
 		})

app/dns/hosts.go

@@ -2,7 +2,6 @@ package dns
 
 import (
 	"context"
-	"strconv"
 
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
@@ -33,15 +32,7 @@ func NewStaticHosts(hosts []*Config_HostMapping) (*StaticHosts, error) {
 		ips := make([]net.Address, 0, len(mapping.Ip)+1)
 		switch {
 		case len(mapping.ProxiedDomain) > 0:
-			if mapping.ProxiedDomain[0] == '#' {
-				rcode, err := strconv.Atoi(mapping.ProxiedDomain[1:])
-				if err != nil {
-					return nil, err
-				}
-				ips = append(ips, dns.RCodeError(rcode))
-			} else {
 			ips = append(ips, net.DomainAddress(mapping.ProxiedDomain))
-			}
 		case len(mapping.Ip) > 0:
 			for _, ip := range mapping.Ip {
 				addr := net.IPAddress(ip)
@@ -50,6 +41,8 @@ func NewStaticHosts(hosts []*Config_HostMapping) (*StaticHosts, error) {
 				}
 				ips = append(ips, addr)
 			}
+		default:
+			return nil, errors.New("neither IP address nor proxied domain specified for domain: ", mapping.Domain).AtWarning()
 		}
 
 		sh.ips[id] = ips
@@ -68,51 +61,33 @@ func filterIP(ips []net.Address, option dns.IPOption) []net.Address {
 	return filtered
 }
 
-func (h *StaticHosts) lookupInternal(domain string) ([]net.Address, error) {
+func (h *StaticHosts) lookupInternal(domain string) []net.Address {
-	ips := make([]net.Address, 0)
+	var ips []net.Address
-	found := false
 	for _, id := range h.matchers.Match(domain) {
-		for _, v := range h.ips[id] {
-			if err, ok := v.(dns.RCodeError); ok {
-				if uint16(err) == 0 {
-					return nil, dns.ErrEmptyResponse
-				}
-				return nil, err
-			}
-		}
 		ips = append(ips, h.ips[id]...)
-		found = true
 	}
-	if !found {
+	return ips
-		return nil, nil
-	}
-	return ips, nil
 }
 
-func (h *StaticHosts) lookup(domain string, option dns.IPOption, maxDepth int) ([]net.Address, error) {
+func (h *StaticHosts) lookup(domain string, option dns.IPOption, maxDepth int) []net.Address {
-	switch addrs, err := h.lookupInternal(domain); {
+	switch addrs := h.lookupInternal(domain); {
-	case err != nil:
-		return nil, err
 	case len(addrs) == 0: // Not recorded in static hosts, return nil
-		return addrs, nil
+		return nil
 	case len(addrs) == 1 && addrs[0].Family().IsDomain(): // Try to unwrap domain
 		errors.LogDebug(context.Background(), "found replaced domain: ", domain, " -> ", addrs[0].Domain(), ". Try to unwrap it")
 		if maxDepth > 0 {
-			unwrapped, err := h.lookup(addrs[0].Domain(), option, maxDepth-1)
+			unwrapped := h.lookup(addrs[0].Domain(), option, maxDepth-1)
-			if err != nil {
-				return nil, err
-			}
 			if unwrapped != nil {
-				return unwrapped, nil
+				return unwrapped
 			}
 		}
-		return addrs, nil
+		return addrs
 	default: // IP record found, return a non-nil IP array
-		return filterIP(addrs, option), nil
+		return filterIP(addrs, option)
 	}
 }
 
 // Lookup returns IP addresses or proxied domain for the given domain, if exists in this StaticHosts.
-func (h *StaticHosts) Lookup(domain string, option dns.IPOption) ([]net.Address, error) {
+func (h *StaticHosts) Lookup(domain string, option dns.IPOption) []net.Address {
 	return h.lookup(domain, option, 5)
 }

app/dns/hosts_test.go

@@ -12,11 +12,6 @@ import (
 
 func TestStaticHosts(t *testing.T) {
 	pb := []*Config_HostMapping{
-		{
-			Type:          DomainMatchingType_Subdomain,
-			Domain:        "lan",
-			ProxiedDomain: "#3",
-		},
 		{
 			Type:   DomainMatchingType_Full,
 			Domain: "example.com",
@@ -59,14 +54,7 @@ func TestStaticHosts(t *testing.T) {
 	common.Must(err)
 
 	{
-		_, err := hosts.Lookup("example.com.lan", dns.IPOption{})
+		ips := hosts.Lookup("example.com", dns.IPOption{
-		if dns.RCodeFromError(err) != 3 {
-			t.Error(err)
-		}
-	}
-
-	{
-		ips, _ := hosts.Lookup("example.com", dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 		})
@@ -79,7 +67,7 @@ func TestStaticHosts(t *testing.T) {
 	}
 
 	{
-		domain, _ := hosts.Lookup("proxy.xray.com", dns.IPOption{
+		domain := hosts.Lookup("proxy.xray.com", dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: false,
 		})
@@ -92,7 +80,7 @@ func TestStaticHosts(t *testing.T) {
 	}
 
 	{
-		domain, _ := hosts.Lookup("proxy2.xray.com", dns.IPOption{
+		domain := hosts.Lookup("proxy2.xray.com", dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: false,
 		})
@@ -105,7 +93,7 @@ func TestStaticHosts(t *testing.T) {
 	}
 
 	{
-		ips, _ := hosts.Lookup("www.example.cn", dns.IPOption{
+		ips := hosts.Lookup("www.example.cn", dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 		})
@@ -118,7 +106,7 @@ func TestStaticHosts(t *testing.T) {
 	}
 
 	{
-		ips, _ := hosts.Lookup("baidu.com", dns.IPOption{
+		ips := hosts.Lookup("baidu.com", dns.IPOption{
 			IPv4Enable: false,
 			IPv6Enable: true,
 		})

app/dns/nameserver.go

@@ -9,7 +9,6 @@ import (
 	"github.com/xtls/xray-core/app/router"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/common/strmatcher"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/dns"
@@ -21,27 +20,22 @@ type Server interface {
 	// Name of the Client.
 	Name() string
 	// QueryIP sends IP queries to its configured server.
-	QueryIP(ctx context.Context, domain string, option dns.IPOption) ([]net.IP, uint32, error)
+	QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns.IPOption, disableCache bool) ([]net.IP, error)
 }
 
 // Client is the interface for DNS client.
 type Client struct {
 	server       Server
+	clientIP     net.IP
 	skipFallback bool
 	domains      []string
-	expectedIPs   []*router.GeoIPMatcher
+	expectIPs    []*router.GeoIPMatcher
-	unexpectedIPs []*router.GeoIPMatcher
-	actPrior      bool
-	actUnprior    bool
-	tag           string
-	timeoutMs     time.Duration
-	finalQuery    bool
-	ipOption      *dns.IPOption
-	checkSystem   bool
 }
 
+var errExpectedIPNonMatch = errors.New("expectIPs not match")
+
 // NewServer creates a name server object according to the network destination url.
-func NewServer(ctx context.Context, dest net.Destination, dispatcher routing.Dispatcher, disableCache bool, clientIP net.IP) (Server, error) {
+func NewServer(dest net.Destination, dispatcher routing.Dispatcher, queryStrategy QueryStrategy) (Server, error) {
 	if address := dest.Address; address.Family().IsDomain() {
 		u, err := url.Parse(address.Domain())
 		if err != nil {
@@ -50,36 +44,25 @@ func NewServer(ctx context.Context, dest net.Destination, dispatcher routing.Dis
 		switch {
 		case strings.EqualFold(u.String(), "localhost"):
 			return NewLocalNameServer(), nil
-		case strings.EqualFold(u.Scheme, "https"): // DNS-over-HTTPS Remote mode
+		case strings.EqualFold(u.Scheme, "https"): // DOH Remote mode
-			return NewDoHNameServer(u, dispatcher, false, disableCache, clientIP), nil
+			return NewDoHNameServer(u, dispatcher, queryStrategy)
-		case strings.EqualFold(u.Scheme, "h2c"): // DNS-over-HTTPS h2c Remote mode
+		case strings.EqualFold(u.Scheme, "https+local"): // DOH Local mode
-			return NewDoHNameServer(u, dispatcher, true, disableCache, clientIP), nil
+			return NewDoHLocalNameServer(u, queryStrategy), nil
-		case strings.EqualFold(u.Scheme, "https+local"): // DNS-over-HTTPS Local mode
-			return NewDoHNameServer(u, nil, false, disableCache, clientIP), nil
-		case strings.EqualFold(u.Scheme, "h2c+local"): // DNS-over-HTTPS h2c Local mode
-			return NewDoHNameServer(u, nil, true, disableCache, clientIP), nil
 		case strings.EqualFold(u.Scheme, "quic+local"): // DNS-over-QUIC Local mode
-			return NewQUICNameServer(u, disableCache, clientIP)
+			return NewQUICNameServer(u, queryStrategy)
 		case strings.EqualFold(u.Scheme, "tcp"): // DNS-over-TCP Remote mode
-			return NewTCPNameServer(u, dispatcher, disableCache, clientIP)
+			return NewTCPNameServer(u, dispatcher, queryStrategy)
 		case strings.EqualFold(u.Scheme, "tcp+local"): // DNS-over-TCP Local mode
-			return NewTCPLocalNameServer(u, disableCache, clientIP)
+			return NewTCPLocalNameServer(u, queryStrategy)
 		case strings.EqualFold(u.String(), "fakedns"):
-			var fd dns.FakeDNSEngine
+			return NewFakeDNSServer(), nil
-			err = core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) {
-				fd = fdns
-			})
-			if err != nil {
-				return nil, err
-			}
-			return NewFakeDNSServer(fd), nil
 		}
 	}
 	if dest.Network == net.Network_Unknown {
 		dest.Network = net.Network_UDP
 	}
 	if dest.Network == net.Network_UDP { // UDP classic DNS mode
-		return NewClassicNameServer(dest, dispatcher, disableCache, clientIP), nil
+		return NewClassicNameServer(dest, dispatcher, queryStrategy), nil
 	}
 	return nil, errors.New("No available name server could be created from ", dest).AtWarning()
 }
@@ -89,9 +72,7 @@ func NewClient(
 	ctx context.Context,
 	ns *NameServer,
 	clientIP net.IP,
-	disableCache bool,
+	container router.GeoIPMatcherContainer,
-	tag string,
-	ipOption dns.IPOption,
 	matcherInfos *[]*DomainMatcherInfo,
 	updateDomainRule func(strmatcher.Matcher, int, []*DomainMatcherInfo) error,
 ) (*Client, error) {
@@ -99,7 +80,7 @@ func NewClient(
 
 	err := core.RequireFeatures(ctx, func(dispatcher routing.Dispatcher) error {
 		// Create a new server for each client for now
-		server, err := NewServer(ctx, ns.Address.AsDestination(), dispatcher, disableCache, clientIP)
+		server, err := NewServer(ns.Address.AsDestination(), dispatcher, ns.GetQueryStrategy())
 		if err != nil {
 			return errors.New("failed to create nameserver").Base(err).AtWarning()
 		}
@@ -154,23 +135,13 @@ func NewClient(
 		}
 
 		// Establish expected IPs
-		var expectedMatchers []*router.GeoIPMatcher
+		var matchers []*router.GeoIPMatcher
-		for _, geoip := range ns.ExpectedGeoip {
+		for _, geoip := range ns.Geoip {
-			matcher, err := router.GlobalGeoIPContainer.Add(geoip)
+			matcher, err := container.Add(geoip)
 			if err != nil {
-				return errors.New("failed to create expected ip matcher").Base(err).AtWarning()
+				return errors.New("failed to create ip matcher").Base(err).AtWarning()
 			}
-			expectedMatchers = append(expectedMatchers, matcher)
+			matchers = append(matchers, matcher)
-		}
-
-		// Establish unexpected IPs
-		var unexpectedMatchers []*router.GeoIPMatcher
-		for _, geoip := range ns.UnexpectedGeoip {
-			matcher, err := router.GlobalGeoIPContainer.Add(geoip)
-			if err != nil {
-				return errors.New("failed to create unexpected ip matcher").Base(err).AtWarning()
-			}
-			unexpectedMatchers = append(unexpectedMatchers, matcher)
 		}
 
 		if len(clientIP) > 0 {
@@ -178,29 +149,15 @@ func NewClient(
 			case *net.IPOrDomain_Domain:
 				errors.LogInfo(ctx, "DNS: client ", ns.Address.Address.GetDomain(), " uses clientIP ", clientIP.String())
 			case *net.IPOrDomain_Ip:
-				errors.LogInfo(ctx, "DNS: client ", net.IP(ns.Address.Address.GetIp()), " uses clientIP ", clientIP.String())
+				errors.LogInfo(ctx, "DNS: client ", ns.Address.Address.GetIp(), " uses clientIP ", clientIP.String())
 			}
 		}
 
-		var timeoutMs = 4000 * time.Millisecond
-		if ns.TimeoutMs > 0 {
-			timeoutMs = time.Duration(ns.TimeoutMs) * time.Millisecond
-		}
-
-		checkSystem := ns.QueryStrategy == QueryStrategy_USE_SYS
-
 		client.server = server
+		client.clientIP = clientIP
 		client.skipFallback = ns.SkipFallback
 		client.domains = rules
-		client.expectedIPs = expectedMatchers
+		client.expectIPs = matchers
-		client.unexpectedIPs = unexpectedMatchers
-		client.actPrior = ns.ActPrior
-		client.actUnprior = ns.ActUnprior
-		client.tag = tag
-		client.timeoutMs = timeoutMs
-		client.finalQuery = ns.FinalQuery
-		client.ipOption = &ipOption
-		client.checkSystem = checkSystem
 		return nil
 	})
 	return client, err
@@ -211,79 +168,43 @@ func (c *Client) Name() string {
 	return c.server.Name()
 }
 
-func (c *Client) IsFinalQuery() bool {
-	return c.finalQuery
-}
-
 // QueryIP sends DNS query to the name server with the client's IP.
-func (c *Client) QueryIP(ctx context.Context, domain string, option dns.IPOption) ([]net.IP, uint32, error) {
+func (c *Client) QueryIP(ctx context.Context, domain string, option dns.IPOption, disableCache bool) ([]net.IP, error) {
-	if c.checkSystem {
+	ctx, cancel := context.WithTimeout(ctx, 4*time.Second)
-		supportIPv4, supportIPv6 := checkSystemNetwork()
+	ips, err := c.server.QueryIP(ctx, domain, c.clientIP, option, disableCache)
-		option.IPv4Enable = option.IPv4Enable && supportIPv4
-		option.IPv6Enable = option.IPv6Enable && supportIPv6
-	} else {
-		option.IPv4Enable = option.IPv4Enable && c.ipOption.IPv4Enable
-		option.IPv6Enable = option.IPv6Enable && c.ipOption.IPv6Enable
-	}
-
-	if !option.IPv4Enable && !option.IPv6Enable {
-		return nil, 0, dns.ErrEmptyResponse
-	}
-
-	ctx, cancel := context.WithTimeout(ctx, c.timeoutMs)
-	ctx = session.ContextWithInbound(ctx, &session.Inbound{Tag: c.tag})
-	ips, ttl, err := c.server.QueryIP(ctx, domain, option)
 	cancel()
 
 	if err != nil {
-		return nil, 0, err
+		return ips, err
 	}
+	return c.MatchExpectedIPs(domain, ips)
+}
 
-	if len(ips) == 0 {
+// MatchExpectedIPs matches queried domain IPs with expected IPs and returns matched ones.
-		return nil, 0, dns.ErrEmptyResponse
+func (c *Client) MatchExpectedIPs(domain string, ips []net.IP) ([]net.IP, error) {
+	if len(c.expectIPs) == 0 {
+		return ips, nil
 	}
-
+	newIps := []net.IP{}
-	if len(c.expectedIPs) > 0 && !c.actPrior {
+	for _, ip := range ips {
-		ips = router.MatchIPs(c.expectedIPs, ips, false)
+		for _, matcher := range c.expectIPs {
-		errors.LogDebug(context.Background(), "domain ", domain, " expectedIPs ", ips, " matched at server ", c.Name())
+			if matcher.Match(ip) {
-		if len(ips) == 0 {
+				newIps = append(newIps, ip)
-			return nil, 0, dns.ErrEmptyResponse
+				break
 			}
 		}
-
-	if len(c.unexpectedIPs) > 0 && !c.actUnprior {
-		ips = router.MatchIPs(c.unexpectedIPs, ips, true)
-		errors.LogDebug(context.Background(), "domain ", domain, " unexpectedIPs ", ips, " matched at server ", c.Name())
-		if len(ips) == 0 {
-			return nil, 0, dns.ErrEmptyResponse
 	}
+	if len(newIps) == 0 {
+		return nil, errExpectedIPNonMatch
 	}
-
+	errors.LogDebug(context.Background(), "domain ", domain, " expectIPs ", newIps, " matched at server ", c.Name())
-	if len(c.expectedIPs) > 0 && c.actPrior {
+	return newIps, nil
-		ipsNew := router.MatchIPs(c.expectedIPs, ips, false)
-		if len(ipsNew) > 0 {
-			ips = ipsNew
-			errors.LogDebug(context.Background(), "domain ", domain, " priorIPs ", ips, " matched at server ", c.Name())
-		}
-	}
-
-	if len(c.unexpectedIPs) > 0 && c.actUnprior {
-		ipsNew := router.MatchIPs(c.unexpectedIPs, ips, true)
-		if len(ipsNew) > 0 {
-			ips = ipsNew
-			errors.LogDebug(context.Background(), "domain ", domain, " unpriorIPs ", ips, " matched at server ", c.Name())
-		}
-	}
-
-	return ips, ttl, nil
 }
 
 func ResolveIpOptionOverride(queryStrategy QueryStrategy, ipOption dns.IPOption) dns.IPOption {
 	switch queryStrategy {
 	case QueryStrategy_USE_IP:
 		return ipOption
-	case QueryStrategy_USE_SYS:
-		return ipOption
 	case QueryStrategy_USE_IP4:
 		return dns.IPOption{
 			IPv4Enable: ipOption.IPv4Enable,

app/dns/nameserver_doh.go

@@ -3,78 +3,72 @@ package dns
 import (
 	"bytes"
 	"context"
-	"crypto/tls"
-	go_errors "errors"
 	"fmt"
 	"io"
 	"net/http"
 	"net/url"
-	"strings"
+	"sync"
+	"sync/atomic"
 	"time"
 
-	utls "github.com/refraction-networking/utls"
 	"github.com/xtls/xray-core/common"
-	"github.com/xtls/xray-core/common/crypto"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/log"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/net/cnc"
 	"github.com/xtls/xray-core/common/protocol/dns"
 	"github.com/xtls/xray-core/common/session"
+	"github.com/xtls/xray-core/common/signal/pubsub"
+	"github.com/xtls/xray-core/common/task"
 	dns_feature "github.com/xtls/xray-core/features/dns"
 	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/transport/internet"
-	"golang.org/x/net/http2"
+	"golang.org/x/net/dns/dnsmessage"
 )
 
 // DoHNameServer implemented DNS over HTTPS (RFC8484) Wire Format,
 // which is compatible with traditional dns over udp(RFC1035),
 // thus most of the DOH implementation is copied from udpns.go
 type DoHNameServer struct {
-	cacheController *CacheController
+	dispatcher routing.Dispatcher
+	sync.RWMutex
+	ips           map[string]*record
+	pub           *pubsub.Service
+	cleanup       *task.Periodic
+	reqID         uint32
 	httpClient    *http.Client
 	dohURL        string
-	clientIP        net.IP
+	name          string
+	queryStrategy QueryStrategy
 }
 
-// NewDoHNameServer creates DOH/DOHL client object for remote/local resolving.
+// NewDoHNameServer creates DOH server object for remote resolving.
-func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher, h2c bool, disableCache bool, clientIP net.IP) *DoHNameServer {
+func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher, queryStrategy QueryStrategy) (*DoHNameServer, error) {
-	url.Scheme = "https"
+	errors.LogInfo(context.Background(), "DNS: created Remote DOH client for ", url.String())
-	mode := "DOH"
+	s := baseDOHNameServer(url, "DOH", queryStrategy)
-	if dispatcher == nil {
+
-		mode = "DOHL"
+	s.dispatcher = dispatcher
-	}
+	tr := &http.Transport{
-	errors.LogInfo(context.Background(), "DNS: created ", mode, " client for ", url.String(), ", with h2c ", h2c)
+		MaxIdleConns:        30,
-	s := &DoHNameServer{
+		IdleConnTimeout:     90 * time.Second,
-		cacheController: NewCacheController(mode+"//"+url.Host, disableCache),
+		TLSHandshakeTimeout: 30 * time.Second,
-		dohURL:          url.String(),
+		ForceAttemptHTTP2:   true,
-		clientIP:        clientIP,
+		DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
-	}
-	s.httpClient = &http.Client{
-		Transport: &http2.Transport{
-			IdleConnTimeout: net.ConnIdleTimeout,
-			ReadIdleTimeout: net.ChromeH2KeepAlivePeriod,
-			DialTLSContext: func(ctx context.Context, network, addr string, cfg *tls.Config) (net.Conn, error) {
 			dest, err := net.ParseDestination(network + ":" + addr)
 			if err != nil {
 				return nil, err
 			}
-				var conn net.Conn
+			link, err := s.dispatcher.Dispatch(toDnsContext(ctx, s.dohURL), dest)
-				if dispatcher != nil {
-					dnsCtx := toDnsContext(ctx, s.dohURL)
-					if h2c {
-						dnsCtx = session.ContextWithMitmAlpn11(dnsCtx, false) // for insurance
-						dnsCtx = session.ContextWithMitmServerName(dnsCtx, url.Hostname())
-					}
-					link, err := dispatcher.Dispatch(dnsCtx, dest)
 			select {
 			case <-ctx.Done():
 				return nil, ctx.Err()
 			default:
+
 			}
 			if err != nil {
 				return nil, err
 			}
+
 			cc := common.ChainedClosable{}
 			if cw, ok := link.Writer.(common.Closable); ok {
 				cc = append(cc, cw)
@@ -82,57 +76,164 @@ func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher, h2c bool, dis
 			if cr, ok := link.Reader.(common.Closable); ok {
 				cc = append(cc, cr)
 			}
-					conn = cnc.NewConnection(
+			return cnc.NewConnection(
 				cnc.ConnectionInputMulti(link.Writer),
 				cnc.ConnectionOutputMulti(link.Reader),
 				cnc.ConnectionOnClose(cc),
-					)
+			), nil
-				} else {
+		},
+	}
+	s.httpClient = &http.Client{
+		Timeout:   time.Second * 180,
+		Transport: tr,
+	}
+
+	return s, nil
+}
+
+// NewDoHLocalNameServer creates DOH client object for local resolving
+func NewDoHLocalNameServer(url *url.URL, queryStrategy QueryStrategy) *DoHNameServer {
+	url.Scheme = "https"
+	s := baseDOHNameServer(url, "DOHL", queryStrategy)
+	tr := &http.Transport{
+		IdleConnTimeout:   90 * time.Second,
+		ForceAttemptHTTP2: true,
+		DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
+			dest, err := net.ParseDestination(network + ":" + addr)
+			if err != nil {
+				return nil, err
+			}
+			conn, err := internet.DialSystem(ctx, dest, nil)
 			log.Record(&log.AccessMessage{
 				From:   "DNS",
 				To:     s.dohURL,
 				Status: log.AccessAccepted,
 				Detour: "local",
 			})
-					conn, err = internet.DialSystem(ctx, dest, nil)
 			if err != nil {
 				return nil, err
 			}
-				}
-				if !h2c {
-					conn = utls.UClient(conn, &utls.Config{ServerName: url.Hostname()}, utls.HelloChrome_Auto)
-					if err := conn.(*utls.UConn).HandshakeContext(ctx); err != nil {
-						return nil, err
-					}
-				}
 			return conn, nil
 		},
-		},
+	}
+	s.httpClient = &http.Client{
+		Timeout:   time.Second * 180,
+		Transport: tr,
+	}
+	errors.LogInfo(context.Background(), "DNS: created Local DOH client for ", url.String())
+	return s
+}
+
+func baseDOHNameServer(url *url.URL, prefix string, queryStrategy QueryStrategy) *DoHNameServer {
+	s := &DoHNameServer{
+		ips:           make(map[string]*record),
+		pub:           pubsub.NewService(),
+		name:          prefix + "//" + url.Host,
+		dohURL:        url.String(),
+		queryStrategy: queryStrategy,
+	}
+	s.cleanup = &task.Periodic{
+		Interval: time.Minute,
+		Execute:  s.Cleanup,
 	}
 	return s
 }
 
 // Name implements Server.
 func (s *DoHNameServer) Name() string {
-	return s.cacheController.name
+	return s.name
+}
+
+// Cleanup clears expired items from cache
+func (s *DoHNameServer) Cleanup() error {
+	now := time.Now()
+	s.Lock()
+	defer s.Unlock()
+
+	if len(s.ips) == 0 {
+		return errors.New("nothing to do. stopping...")
+	}
+
+	for domain, record := range s.ips {
+		if record.A != nil && record.A.Expire.Before(now) {
+			record.A = nil
+		}
+		if record.AAAA != nil && record.AAAA.Expire.Before(now) {
+			record.AAAA = nil
+		}
+
+		if record.A == nil && record.AAAA == nil {
+			errors.LogDebug(context.Background(), s.name, " cleanup ", domain)
+			delete(s.ips, domain)
+		} else {
+			s.ips[domain] = record
+		}
+	}
+
+	if len(s.ips) == 0 {
+		s.ips = make(map[string]*record)
+	}
+
+	return nil
+}
+
+func (s *DoHNameServer) updateIP(req *dnsRequest, ipRec *IPRecord) {
+	elapsed := time.Since(req.start)
+
+	s.Lock()
+	rec, found := s.ips[req.domain]
+	if !found {
+		rec = &record{}
+	}
+	updated := false
+
+	switch req.reqType {
+	case dnsmessage.TypeA:
+		if isNewer(rec.A, ipRec) {
+			rec.A = ipRec
+			updated = true
+		}
+	case dnsmessage.TypeAAAA:
+		addr := make([]net.Address, 0, len(ipRec.IP))
+		for _, ip := range ipRec.IP {
+			if len(ip.IP()) == net.IPv6len {
+				addr = append(addr, ip)
+			}
+		}
+		ipRec.IP = addr
+		if isNewer(rec.AAAA, ipRec) {
+			rec.AAAA = ipRec
+			updated = true
+		}
+	}
+	errors.LogInfo(context.Background(), s.name, " got answer: ", req.domain, " ", req.reqType, " -> ", ipRec.IP, " ", elapsed)
+
+	if updated {
+		s.ips[req.domain] = rec
+	}
+	switch req.reqType {
+	case dnsmessage.TypeA:
+		s.pub.Publish(req.domain+"4", nil)
+	case dnsmessage.TypeAAAA:
+		s.pub.Publish(req.domain+"6", nil)
+	}
+	s.Unlock()
+	common.Must(s.cleanup.Start())
 }
 
 func (s *DoHNameServer) newReqID() uint16 {
-	return 0
+	return uint16(atomic.AddUint32(&s.reqID, 1))
 }
 
-func (s *DoHNameServer) sendQuery(ctx context.Context, noResponseErrCh chan<- error, domain string, option dns_feature.IPOption) {
+func (s *DoHNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {
-	errors.LogInfo(ctx, s.Name(), " querying: ", domain)
+	errors.LogInfo(ctx, s.name, " querying: ", domain)
 
-	if s.Name()+"." == "DOH//"+domain {
+	if s.name+"." == "DOH//"+domain {
-		errors.LogError(ctx, s.Name(), " tries to resolve itself! Use IP or set \"hosts\" instead.")
+		errors.LogError(ctx, s.name, " tries to resolve itself! Use IP or set \"hosts\" instead.")
-		noResponseErrCh <- errors.New("tries to resolve itself!", s.Name())
 		return
 	}
 
-	// As we don't want our traffic pattern looks like DoH, we use Random-Length Padding instead of Block-Length Padding recommended in RFC 8467
+	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP))
-	// Although DoH server like 1.1.1.1 will pad the response to Block-Length 468, at least it is better than no padding for response at all
-	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(s.clientIP, int(crypto.RandBetween(100, 300))))
 
 	var deadline time.Time
 	if d, ok := ctx.Deadline(); ok {
@@ -167,22 +268,19 @@ func (s *DoHNameServer) sendQuery(ctx context.Context, noResponseErrCh chan<- er
 			b, err := dns.PackMessage(r.msg)
 			if err != nil {
 				errors.LogErrorInner(ctx, err, "failed to pack dns query for ", domain)
-				noResponseErrCh <- err
 				return
 			}
 			resp, err := s.dohHTTPSContext(dnsCtx, b.Bytes())
 			if err != nil {
 				errors.LogErrorInner(ctx, err, "failed to retrieve response for ", domain)
-				noResponseErrCh <- err
 				return
 			}
 			rec, err := parseResponse(resp)
 			if err != nil {
 				errors.LogErrorInner(ctx, err, "failed to handle DOH response for ", domain)
-				noResponseErrCh <- err
 				return
 			}
-			s.cacheController.updateIP(r, rec)
+			s.updateIP(r, rec)
 		}(req)
 	}
 }
@@ -197,8 +295,6 @@ func (s *DoHNameServer) dohHTTPSContext(ctx context.Context, b []byte) ([]byte,
 	req.Header.Add("Accept", "application/dns-message")
 	req.Header.Add("Content-Type", "application/dns-message")
 
-	req.Header.Set("X-Padding", strings.Repeat("X", int(crypto.RandBetween(100, 1000))))
-
 	hc := s.httpClient
 
 	resp, err := hc.Do(req.WithContext(ctx))
@@ -215,50 +311,107 @@ func (s *DoHNameServer) dohHTTPSContext(ctx context.Context, b []byte) ([]byte,
 	return io.ReadAll(resp.Body)
 }
 
+func (s *DoHNameServer) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, error) {
+	s.RLock()
+	record, found := s.ips[domain]
+	s.RUnlock()
+
+	if !found {
+		return nil, errRecordNotFound
+	}
+
+	var err4 error
+	var err6 error
+	var ips []net.Address
+	var ip6 []net.Address
+
+	if option.IPv4Enable {
+		ips, err4 = record.A.getIPs()
+	}
+
+	if option.IPv6Enable {
+		ip6, err6 = record.AAAA.getIPs()
+		ips = append(ips, ip6...)
+	}
+
+	if len(ips) > 0 {
+		return toNetIP(ips)
+	}
+
+	if err4 != nil {
+		return nil, err4
+	}
+
+	if err6 != nil {
+		return nil, err6
+	}
+
+	if (option.IPv4Enable && record.A != nil) || (option.IPv6Enable && record.AAAA != nil) {
+		return nil, dns_feature.ErrEmptyResponse
+	}
+
+	return nil, errRecordNotFound
+}
+
 // QueryIP implements Server.
-func (s *DoHNameServer) QueryIP(ctx context.Context, domain string, option dns_feature.IPOption) ([]net.IP, uint32, error) { // nolint: dupl
+func (s *DoHNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, disableCache bool) ([]net.IP, error) { // nolint: dupl
 	fqdn := Fqdn(domain)
-	sub4, sub6 := s.cacheController.registerSubscribers(fqdn, option)
+	option = ResolveIpOptionOverride(s.queryStrategy, option)
-	defer closeSubscribers(sub4, sub6)
+	if !option.IPv4Enable && !option.IPv6Enable {
+		return nil, dns_feature.ErrEmptyResponse
+	}
 
-	if s.cacheController.disableCache {
+	if disableCache {
-		errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.Name())
+		errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.name)
 	} else {
-		ips, ttl, err := s.cacheController.findIPsForDomain(fqdn, option)
+		ips, err := s.findIPsForDomain(fqdn, option)
-		if !go_errors.Is(err, errRecordNotFound) {
+		if err == nil || err == dns_feature.ErrEmptyResponse {
-			errors.LogDebugInner(ctx, err, s.Name(), " cache HIT ", domain, " -> ", ips)
+			errors.LogDebugInner(ctx, err, s.name, " cache HIT ", domain, " -> ", ips)
-			log.Record(&log.DNSLog{Server: s.Name(), Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
+			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
-			return ips, ttl, err
+			return ips, err
 		}
 	}
 
-	noResponseErrCh := make(chan error, 2)
+	// ipv4 and ipv6 belong to different subscription groups
-	s.sendQuery(ctx, noResponseErrCh, fqdn, option)
+	var sub4, sub6 *pubsub.Subscriber
-	start := time.Now()
+	if option.IPv4Enable {
-
+		sub4 = s.pub.Subscribe(fqdn + "4")
+		defer sub4.Close()
+	}
+	if option.IPv6Enable {
+		sub6 = s.pub.Subscribe(fqdn + "6")
+		defer sub6.Close()
+	}
+	done := make(chan interface{})
+	go func() {
 		if sub4 != nil {
 			select {
-		case <-ctx.Done():
-			return nil, 0, ctx.Err()
-		case err := <-noResponseErrCh:
-			return nil, 0, err
 			case <-sub4.Wait():
-			sub4.Close()
+			case <-ctx.Done():
 			}
 		}
 		if sub6 != nil {
 			select {
-		case <-ctx.Done():
-			return nil, 0, ctx.Err()
-		case err := <-noResponseErrCh:
-			return nil, 0, err
 			case <-sub6.Wait():
-			sub6.Close()
+			case <-ctx.Done():
 			}
 		}
+		close(done)
+	}()
+	s.sendQuery(ctx, fqdn, clientIP, option)
+	start := time.Now()
 
-	ips, ttl, err := s.cacheController.findIPsForDomain(fqdn, option)
+	for {
-	log.Record(&log.DNSLog{Server: s.Name(), Domain: domain, Result: ips, Status: log.DNSQueried, Elapsed: time.Since(start), Error: err})
+		ips, err := s.findIPsForDomain(fqdn, option)
-	return ips, ttl, err
+		if err != errRecordNotFound {
+			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSQueried, Elapsed: time.Since(start), Error: err})
+			return ips, err
+		}
 
+		select {
+		case <-ctx.Done():
+			return nil, ctx.Err()
+		case <-done:
+		}
+	}
 }

app/dns/nameserver_doh_test.go

@@ -17,12 +17,12 @@ func TestDOHNameServer(t *testing.T) {
 	url, err := url.Parse("https+local://1.1.1.1/dns-query")
 	common.Must(err)
 
-	s := NewDoHNameServer(url, nil, false, false, net.IP(nil))
+	s := NewDoHLocalNameServer(url, QueryStrategy_USE_IP)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
-	})
+	}, false)
 	cancel()
 	common.Must(err)
 	if len(ips) == 0 {
@@ -34,12 +34,12 @@ func TestDOHNameServerWithCache(t *testing.T) {
 	url, err := url.Parse("https+local://1.1.1.1/dns-query")
 	common.Must(err)
 
-	s := NewDoHNameServer(url, nil, false, false, net.IP(nil))
+	s := NewDoHLocalNameServer(url, QueryStrategy_USE_IP)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
-	})
+	}, false)
 	cancel()
 	common.Must(err)
 	if len(ips) == 0 {
@@ -47,10 +47,10 @@ func TestDOHNameServerWithCache(t *testing.T) {
 	}
 
 	ctx2, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips2, _, err := s.QueryIP(ctx2, "google.com", dns_feature.IPOption{
+	ips2, err := s.QueryIP(ctx2, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
-	})
+	}, true)
 	cancel()
 	common.Must(err)
 	if r := cmp.Diff(ips2, ips); r != "" {
@@ -62,12 +62,12 @@ func TestDOHNameServerWithIPv4Override(t *testing.T) {
 	url, err := url.Parse("https+local://1.1.1.1/dns-query")
 	common.Must(err)
 
-	s := NewDoHNameServer(url, nil, false, false, net.IP(nil))
+	s := NewDoHLocalNameServer(url, QueryStrategy_USE_IP4)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
-		IPv6Enable: false,
+		IPv6Enable: true,
-	})
+	}, false)
 	cancel()
 	common.Must(err)
 	if len(ips) == 0 {
@@ -85,12 +85,12 @@ func TestDOHNameServerWithIPv6Override(t *testing.T) {
 	url, err := url.Parse("https+local://1.1.1.1/dns-query")
 	common.Must(err)
 
-	s := NewDoHNameServer(url, nil, false, false, net.IP(nil))
+	s := NewDoHLocalNameServer(url, QueryStrategy_USE_IP6)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
-		IPv4Enable: false,
+		IPv4Enable: true,
 		IPv6Enable: true,
-	})
+	}, false)
 	cancel()
 	common.Must(err)
 	if len(ips) == 0 {

app/dns/nameserver_fakedns.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/dns"
 )
 
@@ -12,19 +13,22 @@ type FakeDNSServer struct {
 	fakeDNSEngine dns.FakeDNSEngine
 }
 
-func NewFakeDNSServer(fd dns.FakeDNSEngine) *FakeDNSServer {
+func NewFakeDNSServer() *FakeDNSServer {
-	return &FakeDNSServer{fakeDNSEngine: fd}
+	return &FakeDNSServer{}
 }
 
 func (FakeDNSServer) Name() string {
 	return "FakeDNS"
 }
 
-func (f *FakeDNSServer) QueryIP(ctx context.Context, domain string, opt dns.IPOption) ([]net.IP, uint32, error) {
+func (f *FakeDNSServer) QueryIP(ctx context.Context, domain string, _ net.IP, opt dns.IPOption, _ bool) ([]net.IP, error) {
 	if f.fakeDNSEngine == nil {
-		return nil, 0, errors.New("Unable to locate a fake DNS Engine").AtError()
+		if err := core.RequireFeatures(ctx, func(fd dns.FakeDNSEngine) {
+			f.fakeDNSEngine = fd
+		}); err != nil {
+			return nil, errors.New("Unable to locate a fake DNS Engine").Base(err).AtError()
+		}
 	}
-
 	var ips []net.Address
 	if fkr0, ok := f.fakeDNSEngine.(dns.FakeDNSEngineRev0); ok {
 		ips = fkr0.GetFakeIPForDomain3(domain, opt.IPv4Enable, opt.IPv6Enable)
@@ -34,13 +38,13 @@ func (f *FakeDNSServer) QueryIP(ctx context.Context, domain string, opt dns.IPOp
 
 	netIP, err := toNetIP(ips)
 	if err != nil {
-		return nil, 0, errors.New("Unable to convert IP to net ip").Base(err).AtError()
+		return nil, errors.New("Unable to convert IP to net ip").Base(err).AtError()
 	}
 
 	errors.LogInfo(ctx, f.Name(), " got answer: ", domain, " -> ", ips)
 
 	if len(netIP) > 0 {
-		return netIP, 1, nil // fakeIP ttl is 1
+		return netIP, nil
 	}
-	return nil, 0, dns.ErrEmptyResponse
+	return nil, dns.ErrEmptyResponse
 }

app/dns/nameserver_local.go

@@ -2,6 +2,7 @@ package dns
 
 import (
 	"context"
+	"strings"
 	"time"
 
 	"github.com/xtls/xray-core/common/errors"
@@ -16,11 +17,16 @@ type LocalNameServer struct {
 	client *localdns.Client
 }
 
-// QueryIP implements Server.
+const errEmptyResponse = "No address associated with hostname"
-func (s *LocalNameServer) QueryIP(ctx context.Context, domain string, option dns.IPOption) (ips []net.IP, ttl uint32, err error) {
 
+// QueryIP implements Server.
+func (s *LocalNameServer) QueryIP(ctx context.Context, domain string, _ net.IP, option dns.IPOption, _ bool) (ips []net.IP, err error) {
 	start := time.Now()
-	ips, ttl, err = s.client.LookupIP(domain, option)
+	ips, err = s.client.LookupIP(domain, option)
+
+	if err != nil && strings.HasSuffix(err.Error(), errEmptyResponse) {
+		err = dns.ErrEmptyResponse
+	}
 
 	if len(ips) > 0 {
 		errors.LogInfo(ctx, "Localhost got answer: ", domain, " -> ", ips)
@@ -44,6 +50,6 @@ func NewLocalNameServer() *LocalNameServer {
 }
 
 // NewLocalDNSClient creates localdns client object for directly lookup in system DNS.
-func NewLocalDNSClient(ipOption dns.IPOption) *Client {
+func NewLocalDNSClient() *Client {
-	return &Client{server: NewLocalNameServer(), ipOption: &ipOption}
+	return &Client{server: NewLocalNameServer()}
 }

app/dns/nameserver_local_test.go

@@ -7,17 +7,18 @@ import (
 
 	. "github.com/xtls/xray-core/app/dns"
 	"github.com/xtls/xray-core/common"
+	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/features/dns"
 )
 
 func TestLocalNameServer(t *testing.T) {
 	s := NewLocalNameServer()
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
-	ips, _, err := s.QueryIP(ctx, "google.com", dns.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP{}, dns.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 		FakeEnable: false,
-	})
+	}, false)
 	cancel()
 	common.Must(err)
 	if len(ips) == 0 {

app/dns/nameserver_quic.go

@@ -4,20 +4,24 @@ import (
 	"bytes"
 	"context"
 	"encoding/binary"
-	go_errors "errors"
 	"net/url"
 	"sync"
+	"sync/atomic"
 	"time"
 
-	"github.com/quic-go/quic-go"
+	"github.com/refraction-networking/uquic"
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/log"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/protocol/dns"
 	"github.com/xtls/xray-core/common/session"
+	"github.com/xtls/xray-core/common/signal/pubsub"
+	"github.com/xtls/xray-core/common/task"
 	dns_feature "github.com/xtls/xray-core/features/dns"
 	"github.com/xtls/xray-core/transport/internet/tls"
+	"golang.org/x/net/dns/dnsmessage"
 	"golang.org/x/net/http2"
 )
 
@@ -30,14 +34,18 @@ const handshakeTimeout = time.Second * 8
 // QUICNameServer implemented DNS over QUIC
 type QUICNameServer struct {
 	sync.RWMutex
-	cacheController *CacheController
+	ips           map[string]*record
+	pub           *pubsub.Service
+	cleanup       *task.Periodic
+	reqID         uint32
+	name          string
 	destination   *net.Destination
-	connection      *quic.Conn
+	connection    quic.Connection
-	clientIP        net.IP
+	queryStrategy QueryStrategy
 }
 
 // NewQUICNameServer creates DNS-over-QUIC client object for local resolving
-func NewQUICNameServer(url *url.URL, disableCache bool, clientIP net.IP) (*QUICNameServer, error) {
+func NewQUICNameServer(url *url.URL, queryStrategy QueryStrategy) (*QUICNameServer, error) {
 	errors.LogInfo(context.Background(), "DNS: created Local DNS-over-QUIC client for ", url.String())
 
 	var err error
@@ -51,9 +59,15 @@ func NewQUICNameServer(url *url.URL, disableCache bool, clientIP net.IP) (*QUICN
 	dest := net.UDPDestination(net.ParseAddress(url.Hostname()), port)
 
 	s := &QUICNameServer{
-		cacheController: NewCacheController(url.String(), disableCache),
+		ips:           make(map[string]*record),
+		pub:           pubsub.NewService(),
+		name:          url.String(),
 		destination:   &dest,
-		clientIP:        clientIP,
+		queryStrategy: queryStrategy,
+	}
+	s.cleanup = &task.Periodic{
+		Interval: time.Minute,
+		Execute:  s.Cleanup,
 	}
 
 	return s, nil
@@ -61,17 +75,94 @@ func NewQUICNameServer(url *url.URL, disableCache bool, clientIP net.IP) (*QUICN
 
 // Name returns client name
 func (s *QUICNameServer) Name() string {
-	return s.cacheController.name
+	return s.name
+}
+
+// Cleanup clears expired items from cache
+func (s *QUICNameServer) Cleanup() error {
+	now := time.Now()
+	s.Lock()
+	defer s.Unlock()
+
+	if len(s.ips) == 0 {
+		return errors.New("nothing to do. stopping...")
+	}
+
+	for domain, record := range s.ips {
+		if record.A != nil && record.A.Expire.Before(now) {
+			record.A = nil
+		}
+		if record.AAAA != nil && record.AAAA.Expire.Before(now) {
+			record.AAAA = nil
+		}
+
+		if record.A == nil && record.AAAA == nil {
+			errors.LogDebug(context.Background(), s.name, " cleanup ", domain)
+			delete(s.ips, domain)
+		} else {
+			s.ips[domain] = record
+		}
+	}
+
+	if len(s.ips) == 0 {
+		s.ips = make(map[string]*record)
+	}
+
+	return nil
+}
+
+func (s *QUICNameServer) updateIP(req *dnsRequest, ipRec *IPRecord) {
+	elapsed := time.Since(req.start)
+
+	s.Lock()
+	rec, found := s.ips[req.domain]
+	if !found {
+		rec = &record{}
+	}
+	updated := false
+
+	switch req.reqType {
+	case dnsmessage.TypeA:
+		if isNewer(rec.A, ipRec) {
+			rec.A = ipRec
+			updated = true
+		}
+	case dnsmessage.TypeAAAA:
+		addr := make([]net.Address, 0)
+		for _, ip := range ipRec.IP {
+			if len(ip.IP()) == net.IPv6len {
+				addr = append(addr, ip)
+			}
+		}
+		ipRec.IP = addr
+		if isNewer(rec.AAAA, ipRec) {
+			rec.AAAA = ipRec
+			updated = true
+		}
+	}
+	errors.LogInfo(context.Background(), s.name, " got answer: ", req.domain, " ", req.reqType, " -> ", ipRec.IP, " ", elapsed)
+
+	if updated {
+		s.ips[req.domain] = rec
+	}
+	switch req.reqType {
+	case dnsmessage.TypeA:
+		s.pub.Publish(req.domain+"4", nil)
+	case dnsmessage.TypeAAAA:
+		s.pub.Publish(req.domain+"6", nil)
+	}
+	s.Unlock()
+	common.Must(s.cleanup.Start())
 }
 
 func (s *QUICNameServer) newReqID() uint16 {
-	return 0
+	return uint16(atomic.AddUint32(&s.reqID, 1))
 }
 
-func (s *QUICNameServer) sendQuery(ctx context.Context, noResponseErrCh chan<- error, domain string, option dns_feature.IPOption) {
+func (s *QUICNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {
-	errors.LogInfo(ctx, s.Name(), " querying: ", domain)
+	errors.LogInfo(ctx, s.name, " querying: ", domain)
 
-	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(s.clientIP, 0))
+	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP))
 
 	var deadline time.Time
 	if d, ok := ctx.Deadline(); ok {
@@ -103,36 +194,23 @@ func (s *QUICNameServer) sendQuery(ctx context.Context, noResponseErrCh chan<- e
 			b, err := dns.PackMessage(r.msg)
 			if err != nil {
 				errors.LogErrorInner(ctx, err, "failed to pack dns query")
-				noResponseErrCh <- err
 				return
 			}
 
 			dnsReqBuf := buf.New()
-			err = binary.Write(dnsReqBuf, binary.BigEndian, uint16(b.Len()))
+			binary.Write(dnsReqBuf, binary.BigEndian, uint16(b.Len()))
-			if err != nil {
+			dnsReqBuf.Write(b.Bytes())
-				errors.LogErrorInner(ctx, err, "binary write failed")
-				noResponseErrCh <- err
-				return
-			}
-			_, err = dnsReqBuf.Write(b.Bytes())
-			if err != nil {
-				errors.LogErrorInner(ctx, err, "buffer write failed")
-				noResponseErrCh <- err
-				return
-			}
 			b.Release()
 
 			conn, err := s.openStream(dnsCtx)
 			if err != nil {
 				errors.LogErrorInner(ctx, err, "failed to open quic connection")
-				noResponseErrCh <- err
 				return
 			}
 
 			_, err = conn.Write(dnsReqBuf.Bytes())
 			if err != nil {
 				errors.LogErrorInner(ctx, err, "failed to send query")
-				noResponseErrCh <- err
 				return
 			}
 
@@ -143,84 +221,137 @@ func (s *QUICNameServer) sendQuery(ctx context.Context, noResponseErrCh chan<- e
 			n, err := respBuf.ReadFullFrom(conn, 2)
 			if err != nil && n == 0 {
 				errors.LogErrorInner(ctx, err, "failed to read response length")
-				noResponseErrCh <- err
 				return
 			}
 			var length int16
 			err = binary.Read(bytes.NewReader(respBuf.Bytes()), binary.BigEndian, &length)
 			if err != nil {
 				errors.LogErrorInner(ctx, err, "failed to parse response length")
-				noResponseErrCh <- err
 				return
 			}
 			respBuf.Clear()
 			n, err = respBuf.ReadFullFrom(conn, int32(length))
 			if err != nil && n == 0 {
 				errors.LogErrorInner(ctx, err, "failed to read response length")
-				noResponseErrCh <- err
 				return
 			}
 
 			rec, err := parseResponse(respBuf.Bytes())
 			if err != nil {
 				errors.LogErrorInner(ctx, err, "failed to handle response")
-				noResponseErrCh <- err
 				return
 			}
-			s.cacheController.updateIP(r, rec)
+			s.updateIP(r, rec)
 		}(req)
 	}
 }
 
+func (s *QUICNameServer) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, error) {
+	s.RLock()
+	record, found := s.ips[domain]
+	s.RUnlock()
+
+	if !found {
+		return nil, errRecordNotFound
+	}
+
+	var err4 error
+	var err6 error
+	var ips []net.Address
+	var ip6 []net.Address
+
+	if option.IPv4Enable {
+		ips, err4 = record.A.getIPs()
+	}
+
+	if option.IPv6Enable {
+		ip6, err6 = record.AAAA.getIPs()
+		ips = append(ips, ip6...)
+	}
+
+	if len(ips) > 0 {
+		return toNetIP(ips)
+	}
+
+	if err4 != nil {
+		return nil, err4
+	}
+
+	if err6 != nil {
+		return nil, err6
+	}
+
+	if (option.IPv4Enable && record.A != nil) || (option.IPv6Enable && record.AAAA != nil) {
+		return nil, dns_feature.ErrEmptyResponse
+	}
+
+	return nil, errRecordNotFound
+}
+
 // QueryIP is called from dns.Server->queryIPTimeout
-func (s *QUICNameServer) QueryIP(ctx context.Context, domain string, option dns_feature.IPOption) ([]net.IP, uint32, error) {
+func (s *QUICNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, disableCache bool) ([]net.IP, error) {
 	fqdn := Fqdn(domain)
-	sub4, sub6 := s.cacheController.registerSubscribers(fqdn, option)
+	option = ResolveIpOptionOverride(s.queryStrategy, option)
-	defer closeSubscribers(sub4, sub6)
+	if !option.IPv4Enable && !option.IPv6Enable {
+		return nil, dns_feature.ErrEmptyResponse
+	}
 
-	if s.cacheController.disableCache {
+	if disableCache {
-		errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.Name())
+		errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.name)
 	} else {
-		ips, ttl, err := s.cacheController.findIPsForDomain(fqdn, option)
+		ips, err := s.findIPsForDomain(fqdn, option)
-		if !go_errors.Is(err, errRecordNotFound) {
+		if err == nil || err == dns_feature.ErrEmptyResponse {
-			errors.LogDebugInner(ctx, err, s.Name(), " cache HIT ", domain, " -> ", ips)
+			errors.LogDebugInner(ctx, err, s.name, " cache HIT ", domain, " -> ", ips)
-			log.Record(&log.DNSLog{Server: s.Name(), Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
+			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
-			return ips, ttl, err
+			return ips, err
 		}
 	}
 
-	noResponseErrCh := make(chan error, 2)
+	// ipv4 and ipv6 belong to different subscription groups
-	s.sendQuery(ctx, noResponseErrCh, fqdn, option)
+	var sub4, sub6 *pubsub.Subscriber
-	start := time.Now()
+	if option.IPv4Enable {
-
+		sub4 = s.pub.Subscribe(fqdn + "4")
+		defer sub4.Close()
+	}
+	if option.IPv6Enable {
+		sub6 = s.pub.Subscribe(fqdn + "6")
+		defer sub6.Close()
+	}
+	done := make(chan interface{})
+	go func() {
 		if sub4 != nil {
 			select {
-		case <-ctx.Done():
-			return nil, 0, ctx.Err()
-		case err := <-noResponseErrCh:
-			return nil, 0, err
 			case <-sub4.Wait():
-			sub4.Close()
+			case <-ctx.Done():
 			}
 		}
 		if sub6 != nil {
 			select {
-		case <-ctx.Done():
-			return nil, 0, ctx.Err()
-		case err := <-noResponseErrCh:
-			return nil, 0, err
 			case <-sub6.Wait():
-			sub6.Close()
+			case <-ctx.Done():
 			}
 		}
+		close(done)
+	}()
+	s.sendQuery(ctx, fqdn, clientIP, option)
+	start := time.Now()
 
-	ips, ttl, err := s.cacheController.findIPsForDomain(fqdn, option)
+	for {
-	log.Record(&log.DNSLog{Server: s.Name(), Domain: domain, Result: ips, Status: log.DNSQueried, Elapsed: time.Since(start), Error: err})
+		ips, err := s.findIPsForDomain(fqdn, option)
-	return ips, ttl, err
+		if err != errRecordNotFound {
+			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSQueried, Elapsed: time.Since(start), Error: err})
+			return ips, err
+		}
 
+		select {
+		case <-ctx.Done():
+			return nil, ctx.Err()
+		case <-done:
+		}
+	}
 }
 
-func isActive(s *quic.Conn) bool {
+func isActive(s quic.Connection) bool {
 	select {
 	case <-s.Context().Done():
 		return false
@@ -229,8 +360,8 @@ func isActive(s *quic.Conn) bool {
 	}
 }
 
-func (s *QUICNameServer) getConnection() (*quic.Conn, error) {
+func (s *QUICNameServer) getConnection() (quic.Connection, error) {
-	var conn *quic.Conn
+	var conn quic.Connection
 	s.RLock()
 	conn = s.connection
 	if conn != nil && isActive(conn) {
@@ -263,13 +394,15 @@ func (s *QUICNameServer) getConnection() (*quic.Conn, error) {
 	return conn, nil
 }
 
-func (s *QUICNameServer) openConnection() (*quic.Conn, error) {
+func (s *QUICNameServer) openConnection() (quic.Connection, error) {
 	tlsConfig := tls.Config{}
 	quicConfig := &quic.Config{
 		HandshakeIdleTimeout: handshakeTimeout,
 	}
 	tlsConfig.ServerName = s.destination.Address.String()
-	conn, err := quic.DialAddr(context.Background(), s.destination.NetAddr(), tlsConfig.GetTLSConfig(tls.WithNextProto("http/1.1", http2.NextProtoTLS, NextProtoDQ)), quicConfig)
+	utlsConf := tls.CopyConfig(tlsConfig.GetTLSConfig())
+	utlsConf.NextProtos = []string{ "http/1.1", http2.NextProtoTLS, NextProtoDQ }
+	conn, err := quic.DialAddr(context.Background(), s.destination.NetAddr(), utlsConf, quicConfig)
 	log.Record(&log.AccessMessage{
 		From:   "DNS",
 		To:     s.destination,
@@ -283,7 +416,7 @@ func (s *QUICNameServer) openConnection() (*quic.Conn, error) {
 	return conn, nil
 }
 
-func (s *QUICNameServer) openStream(ctx context.Context) (*quic.Stream, error) {
+func (s *QUICNameServer) openStream(ctx context.Context) (quic.Stream, error) {
 	conn, err := s.getConnection()
 	if err != nil {
 		return nil, err

app/dns/nameserver_quic_test.go

@@ -14,25 +14,26 @@ import (
 )
 
 func TestQUICNameServer(t *testing.T) {
-	url, err := url.Parse("quic://dns.adguard-dns.com")
+	url, err := url.Parse("quic://dns.adguard.com")
 	common.Must(err)
-	s, err := NewQUICNameServer(url, false, net.IP(nil))
+	s, err := NewQUICNameServer(url, QueryStrategy_USE_IP)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
-	ips, _, err := s.QueryIP(ctx, "google.com", dns.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
-	})
+	}, false)
 	cancel()
 	common.Must(err)
 	if len(ips) == 0 {
 		t.Error("expect some ips, but got 0")
 	}
+
 	ctx2, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips2, _, err := s.QueryIP(ctx2, "google.com", dns.IPOption{
+	ips2, err := s.QueryIP(ctx2, "google.com", net.IP(nil), dns.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
-	})
+	}, true)
 	cancel()
 	common.Must(err)
 	if r := cmp.Diff(ips2, ips); r != "" {
@@ -41,15 +42,15 @@ func TestQUICNameServer(t *testing.T) {
 }
 
 func TestQUICNameServerWithIPv4Override(t *testing.T) {
-	url, err := url.Parse("quic://dns.adguard-dns.com")
+	url, err := url.Parse("quic://dns.adguard.com")
 	common.Must(err)
-	s, err := NewQUICNameServer(url, false, net.IP(nil))
+	s, err := NewQUICNameServer(url, QueryStrategy_USE_IP4)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
-	ips, _, err := s.QueryIP(ctx, "google.com", dns.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns.IPOption{
 		IPv4Enable: true,
-		IPv6Enable: false,
+		IPv6Enable: true,
-	})
+	}, false)
 	cancel()
 	common.Must(err)
 	if len(ips) == 0 {
@@ -64,15 +65,15 @@ func TestQUICNameServerWithIPv4Override(t *testing.T) {
 }
 
 func TestQUICNameServerWithIPv6Override(t *testing.T) {
-	url, err := url.Parse("quic://dns.adguard-dns.com")
+	url, err := url.Parse("quic://dns.adguard.com")
 	common.Must(err)
-	s, err := NewQUICNameServer(url, false, net.IP(nil))
+	s, err := NewQUICNameServer(url, QueryStrategy_USE_IP6)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
-	ips, _, err := s.QueryIP(ctx, "google.com", dns.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns.IPOption{
-		IPv4Enable: false,
+		IPv4Enable: true,
 		IPv6Enable: true,
-	})
+	}, false)
 	cancel()
 	common.Must(err)
 	if len(ips) == 0 {

app/dns/nameserver_tcp.go

@@ -4,11 +4,12 @@ import (
 	"bytes"
 	"context"
 	"encoding/binary"
-	go_errors "errors"
 	"net/url"
+	"sync"
 	"sync/atomic"
 	"time"
 
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/log"
@@ -16,28 +17,34 @@ import (
 	"github.com/xtls/xray-core/common/net/cnc"
 	"github.com/xtls/xray-core/common/protocol/dns"
 	"github.com/xtls/xray-core/common/session"
+	"github.com/xtls/xray-core/common/signal/pubsub"
+	"github.com/xtls/xray-core/common/task"
 	dns_feature "github.com/xtls/xray-core/features/dns"
 	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/transport/internet"
+	"golang.org/x/net/dns/dnsmessage"
 )
 
 // TCPNameServer implemented DNS over TCP (RFC7766).
 type TCPNameServer struct {
-	cacheController *CacheController
+	sync.RWMutex
+	name          string
 	destination   *net.Destination
+	ips           map[string]*record
+	pub           *pubsub.Service
+	cleanup       *task.Periodic
 	reqID         uint32
 	dial          func(context.Context) (net.Conn, error)
-	clientIP        net.IP
+	queryStrategy QueryStrategy
 }
 
 // NewTCPNameServer creates DNS over TCP server object for remote resolving.
 func NewTCPNameServer(
 	url *url.URL,
 	dispatcher routing.Dispatcher,
-	disableCache bool,
+	queryStrategy QueryStrategy,
-	clientIP net.IP,
 ) (*TCPNameServer, error) {
-	s, err := baseTCPNameServer(url, "TCP", disableCache, clientIP)
+	s, err := baseTCPNameServer(url, "TCP", queryStrategy)
 	if err != nil {
 		return nil, err
 	}
@@ -58,8 +65,8 @@ func NewTCPNameServer(
 }
 
 // NewTCPLocalNameServer creates DNS over TCP client object for local resolving
-func NewTCPLocalNameServer(url *url.URL, disableCache bool, clientIP net.IP) (*TCPNameServer, error) {
+func NewTCPLocalNameServer(url *url.URL, queryStrategy QueryStrategy) (*TCPNameServer, error) {
-	s, err := baseTCPNameServer(url, "TCPL", disableCache, clientIP)
+	s, err := baseTCPNameServer(url, "TCPL", queryStrategy)
 	if err != nil {
 		return nil, err
 	}
@@ -71,7 +78,7 @@ func NewTCPLocalNameServer(url *url.URL, disableCache bool, clientIP net.IP) (*T
 	return s, nil
 }
 
-func baseTCPNameServer(url *url.URL, prefix string, disableCache bool, clientIP net.IP) (*TCPNameServer, error) {
+func baseTCPNameServer(url *url.URL, prefix string, queryStrategy QueryStrategy) (*TCPNameServer, error) {
 	port := net.Port(53)
 	if url.Port() != "" {
 		var err error
@@ -82,9 +89,15 @@ func baseTCPNameServer(url *url.URL, prefix string, disableCache bool, clientIP
 	dest := net.TCPDestination(net.ParseAddress(url.Hostname()), port)
 
 	s := &TCPNameServer{
-		cacheController: NewCacheController(prefix+"//"+dest.NetAddr(), disableCache),
 		destination:   &dest,
-		clientIP:        clientIP,
+		ips:           make(map[string]*record),
+		pub:           pubsub.NewService(),
+		name:          prefix + "//" + dest.NetAddr(),
+		queryStrategy: queryStrategy,
+	}
+	s.cleanup = &task.Periodic{
+		Interval: time.Minute,
+		Execute:  s.Cleanup,
 	}
 
 	return s, nil
@@ -92,17 +105,94 @@ func baseTCPNameServer(url *url.URL, prefix string, disableCache bool, clientIP
 
 // Name implements Server.
 func (s *TCPNameServer) Name() string {
-	return s.cacheController.name
+	return s.name
+}
+
+// Cleanup clears expired items from cache
+func (s *TCPNameServer) Cleanup() error {
+	now := time.Now()
+	s.Lock()
+	defer s.Unlock()
+
+	if len(s.ips) == 0 {
+		return errors.New("nothing to do. stopping...")
+	}
+
+	for domain, record := range s.ips {
+		if record.A != nil && record.A.Expire.Before(now) {
+			record.A = nil
+		}
+		if record.AAAA != nil && record.AAAA.Expire.Before(now) {
+			record.AAAA = nil
+		}
+
+		if record.A == nil && record.AAAA == nil {
+			errors.LogDebug(context.Background(), s.name, " cleanup ", domain)
+			delete(s.ips, domain)
+		} else {
+			s.ips[domain] = record
+		}
+	}
+
+	if len(s.ips) == 0 {
+		s.ips = make(map[string]*record)
+	}
+
+	return nil
+}
+
+func (s *TCPNameServer) updateIP(req *dnsRequest, ipRec *IPRecord) {
+	elapsed := time.Since(req.start)
+
+	s.Lock()
+	rec, found := s.ips[req.domain]
+	if !found {
+		rec = &record{}
+	}
+	updated := false
+
+	switch req.reqType {
+	case dnsmessage.TypeA:
+		if isNewer(rec.A, ipRec) {
+			rec.A = ipRec
+			updated = true
+		}
+	case dnsmessage.TypeAAAA:
+		addr := make([]net.Address, 0)
+		for _, ip := range ipRec.IP {
+			if len(ip.IP()) == net.IPv6len {
+				addr = append(addr, ip)
+			}
+		}
+		ipRec.IP = addr
+		if isNewer(rec.AAAA, ipRec) {
+			rec.AAAA = ipRec
+			updated = true
+		}
+	}
+	errors.LogInfo(context.Background(), s.name, " got answer: ", req.domain, " ", req.reqType, " -> ", ipRec.IP, " ", elapsed)
+
+	if updated {
+		s.ips[req.domain] = rec
+	}
+	switch req.reqType {
+	case dnsmessage.TypeA:
+		s.pub.Publish(req.domain+"4", nil)
+	case dnsmessage.TypeAAAA:
+		s.pub.Publish(req.domain+"6", nil)
+	}
+	s.Unlock()
+	common.Must(s.cleanup.Start())
 }
 
 func (s *TCPNameServer) newReqID() uint16 {
 	return uint16(atomic.AddUint32(&s.reqID, 1))
 }
 
-func (s *TCPNameServer) sendQuery(ctx context.Context, noResponseErrCh chan<- error, domain string, option dns_feature.IPOption) {
+func (s *TCPNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {
-	errors.LogDebug(ctx, s.Name(), " querying DNS for: ", domain)
+	errors.LogDebug(ctx, s.name, " querying DNS for: ", domain)
 
-	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(s.clientIP, 0))
+	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP))
 
 	var deadline time.Time
 	if d, ok := ctx.Deadline(); ok {
@@ -131,36 +221,23 @@ func (s *TCPNameServer) sendQuery(ctx context.Context, noResponseErrCh chan<- er
 			b, err := dns.PackMessage(r.msg)
 			if err != nil {
 				errors.LogErrorInner(ctx, err, "failed to pack dns query")
-				noResponseErrCh <- err
 				return
 			}
 
 			conn, err := s.dial(dnsCtx)
 			if err != nil {
 				errors.LogErrorInner(ctx, err, "failed to dial namesever")
-				noResponseErrCh <- err
 				return
 			}
 			defer conn.Close()
 			dnsReqBuf := buf.New()
-			err = binary.Write(dnsReqBuf, binary.BigEndian, uint16(b.Len()))
+			binary.Write(dnsReqBuf, binary.BigEndian, uint16(b.Len()))
-			if err != nil {
+			dnsReqBuf.Write(b.Bytes())
-				errors.LogErrorInner(ctx, err, "binary write failed")
-				noResponseErrCh <- err
-				return
-			}
-			_, err = dnsReqBuf.Write(b.Bytes())
-			if err != nil {
-				errors.LogErrorInner(ctx, err, "buffer write failed")
-				noResponseErrCh <- err
-				return
-			}
 			b.Release()
 
 			_, err = conn.Write(dnsReqBuf.Bytes())
 			if err != nil {
 				errors.LogErrorInner(ctx, err, "failed to send query")
-				noResponseErrCh <- err
 				return
 			}
 			dnsReqBuf.Release()
@@ -170,80 +247,129 @@ func (s *TCPNameServer) sendQuery(ctx context.Context, noResponseErrCh chan<- er
 			n, err := respBuf.ReadFullFrom(conn, 2)
 			if err != nil && n == 0 {
 				errors.LogErrorInner(ctx, err, "failed to read response length")
-				noResponseErrCh <- err
 				return
 			}
 			var length int16
 			err = binary.Read(bytes.NewReader(respBuf.Bytes()), binary.BigEndian, &length)
 			if err != nil {
 				errors.LogErrorInner(ctx, err, "failed to parse response length")
-				noResponseErrCh <- err
 				return
 			}
 			respBuf.Clear()
 			n, err = respBuf.ReadFullFrom(conn, int32(length))
 			if err != nil && n == 0 {
 				errors.LogErrorInner(ctx, err, "failed to read response length")
-				noResponseErrCh <- err
 				return
 			}
 
 			rec, err := parseResponse(respBuf.Bytes())
 			if err != nil {
 				errors.LogErrorInner(ctx, err, "failed to parse DNS over TCP response")
-				noResponseErrCh <- err
 				return
 			}
 
-			s.cacheController.updateIP(r, rec)
+			s.updateIP(r, rec)
 		}(req)
 	}
 }
 
+func (s *TCPNameServer) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, error) {
+	s.RLock()
+	record, found := s.ips[domain]
+	s.RUnlock()
+
+	if !found {
+		return nil, errRecordNotFound
+	}
+
+	var err4 error
+	var err6 error
+	var ips []net.Address
+	var ip6 []net.Address
+
+	if option.IPv4Enable {
+		ips, err4 = record.A.getIPs()
+	}
+
+	if option.IPv6Enable {
+		ip6, err6 = record.AAAA.getIPs()
+		ips = append(ips, ip6...)
+	}
+
+	if len(ips) > 0 {
+		return toNetIP(ips)
+	}
+
+	if err4 != nil {
+		return nil, err4
+	}
+
+	if err6 != nil {
+		return nil, err6
+	}
+
+	return nil, dns_feature.ErrEmptyResponse
+}
+
 // QueryIP implements Server.
-func (s *TCPNameServer) QueryIP(ctx context.Context, domain string, option dns_feature.IPOption) ([]net.IP, uint32, error) {
+func (s *TCPNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, disableCache bool) ([]net.IP, error) {
 	fqdn := Fqdn(domain)
-	sub4, sub6 := s.cacheController.registerSubscribers(fqdn, option)
+	option = ResolveIpOptionOverride(s.queryStrategy, option)
-	defer closeSubscribers(sub4, sub6)
+	if !option.IPv4Enable && !option.IPv6Enable {
+		return nil, dns_feature.ErrEmptyResponse
+	}
 
-	if s.cacheController.disableCache {
+	if disableCache {
-		errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.Name())
+		errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.name)
 	} else {
-		ips, ttl, err := s.cacheController.findIPsForDomain(fqdn, option)
+		ips, err := s.findIPsForDomain(fqdn, option)
-		if !go_errors.Is(err, errRecordNotFound) {
+		if err == nil || err == dns_feature.ErrEmptyResponse {
-			errors.LogDebugInner(ctx, err, s.Name(), " cache HIT ", domain, " -> ", ips)
+			errors.LogDebugInner(ctx, err, s.name, " cache HIT ", domain, " -> ", ips)
-			log.Record(&log.DNSLog{Server: s.Name(), Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
+			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
-			return ips, ttl, err
+			return ips, err
 		}
 	}
 
-	noResponseErrCh := make(chan error, 2)
+	// ipv4 and ipv6 belong to different subscription groups
-	s.sendQuery(ctx, noResponseErrCh, fqdn, option)
+	var sub4, sub6 *pubsub.Subscriber
-	start := time.Now()
+	if option.IPv4Enable {
-
+		sub4 = s.pub.Subscribe(fqdn + "4")
+		defer sub4.Close()
+	}
+	if option.IPv6Enable {
+		sub6 = s.pub.Subscribe(fqdn + "6")
+		defer sub6.Close()
+	}
+	done := make(chan interface{})
+	go func() {
 		if sub4 != nil {
 			select {
-		case <-ctx.Done():
-			return nil, 0, ctx.Err()
-		case err := <-noResponseErrCh:
-			return nil, 0, err
 			case <-sub4.Wait():
-			sub4.Close()
+			case <-ctx.Done():
 			}
 		}
 		if sub6 != nil {
 			select {
-		case <-ctx.Done():
-			return nil, 0, ctx.Err()
-		case err := <-noResponseErrCh:
-			return nil, 0, err
 			case <-sub6.Wait():
-			sub6.Close()
+			case <-ctx.Done():
 			}
 		}
+		close(done)
+	}()
+	s.sendQuery(ctx, fqdn, clientIP, option)
+	start := time.Now()
 
-	ips, ttl, err := s.cacheController.findIPsForDomain(fqdn, option)
+	for {
-	log.Record(&log.DNSLog{Server: s.Name(), Domain: domain, Result: ips, Status: log.DNSQueried, Elapsed: time.Since(start), Error: err})
+		ips, err := s.findIPsForDomain(fqdn, option)
-	return ips, ttl, err
+		if err != errRecordNotFound {
+			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSQueried, Elapsed: time.Since(start), Error: err})
+			return ips, err
+		}
 
+		select {
+		case <-ctx.Done():
+			return nil, ctx.Err()
+		case <-done:
+		}
+	}
 }

app/dns/nameserver_tcp_test.go

@@ -16,13 +16,13 @@ import (
 func TestTCPLocalNameServer(t *testing.T) {
 	url, err := url.Parse("tcp+local://8.8.8.8")
 	common.Must(err)
-	s, err := NewTCPLocalNameServer(url, false, net.IP(nil))
+	s, err := NewTCPLocalNameServer(url, QueryStrategy_USE_IP)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
-	})
+	}, false)
 	cancel()
 	common.Must(err)
 	if len(ips) == 0 {
@@ -33,13 +33,13 @@ func TestTCPLocalNameServer(t *testing.T) {
 func TestTCPLocalNameServerWithCache(t *testing.T) {
 	url, err := url.Parse("tcp+local://8.8.8.8")
 	common.Must(err)
-	s, err := NewTCPLocalNameServer(url, false, net.IP(nil))
+	s, err := NewTCPLocalNameServer(url, QueryStrategy_USE_IP)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
-	})
+	}, false)
 	cancel()
 	common.Must(err)
 	if len(ips) == 0 {
@@ -47,10 +47,10 @@ func TestTCPLocalNameServerWithCache(t *testing.T) {
 	}
 
 	ctx2, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips2, _, err := s.QueryIP(ctx2, "google.com", dns_feature.IPOption{
+	ips2, err := s.QueryIP(ctx2, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
-	})
+	}, true)
 	cancel()
 	common.Must(err)
 	if r := cmp.Diff(ips2, ips); r != "" {
@@ -61,13 +61,13 @@ func TestTCPLocalNameServerWithCache(t *testing.T) {
 func TestTCPLocalNameServerWithIPv4Override(t *testing.T) {
 	url, err := url.Parse("tcp+local://8.8.8.8")
 	common.Must(err)
-	s, err := NewTCPLocalNameServer(url, false, net.IP(nil))
+	s, err := NewTCPLocalNameServer(url, QueryStrategy_USE_IP4)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
-		IPv6Enable: false,
+		IPv6Enable: true,
-	})
+	}, false)
 	cancel()
 	common.Must(err)
 
@@ -85,13 +85,13 @@ func TestTCPLocalNameServerWithIPv4Override(t *testing.T) {
 func TestTCPLocalNameServerWithIPv6Override(t *testing.T) {
 	url, err := url.Parse("tcp+local://8.8.8.8")
 	common.Must(err)
-	s, err := NewTCPLocalNameServer(url, false, net.IP(nil))
+	s, err := NewTCPLocalNameServer(url, QueryStrategy_USE_IP6)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
-		IPv4Enable: false,
+		IPv4Enable: true,
 		IPv6Enable: true,
-	})
+	}, false)
 	cancel()
 	common.Must(err)
 

app/dns/nameserver_udp.go

@@ -2,7 +2,6 @@ package dns
 
 import (
 	"context"
-	go_errors "errors"
 	"strings"
 	"sync"
 	"sync/atomic"
@@ -14,6 +13,7 @@ import (
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/protocol/dns"
 	udp_proto "github.com/xtls/xray-core/common/protocol/udp"
+	"github.com/xtls/xray-core/common/signal/pubsub"
 	"github.com/xtls/xray-core/common/task"
 	dns_feature "github.com/xtls/xray-core/features/dns"
 	"github.com/xtls/xray-core/features/routing"
@@ -24,36 +24,35 @@ import (
 // ClassicNameServer implemented traditional UDP DNS.
 type ClassicNameServer struct {
 	sync.RWMutex
-	cacheController *CacheController
+	name          string
 	address       *net.Destination
-	requests        map[uint16]*udpDnsRequest
+	ips           map[string]*record
+	requests      map[uint16]*dnsRequest
+	pub           *pubsub.Service
 	udpServer     *udp.Dispatcher
-	requestsCleanup *task.Periodic
+	cleanup       *task.Periodic
 	reqID         uint32
-	clientIP        net.IP
+	queryStrategy QueryStrategy
-}
-
-type udpDnsRequest struct {
-	dnsRequest
-	ctx context.Context
 }
 
 // NewClassicNameServer creates udp server object for remote resolving.
-func NewClassicNameServer(address net.Destination, dispatcher routing.Dispatcher, disableCache bool, clientIP net.IP) *ClassicNameServer {
+func NewClassicNameServer(address net.Destination, dispatcher routing.Dispatcher, queryStrategy QueryStrategy) *ClassicNameServer {
 	// default to 53 if unspecific
 	if address.Port == 0 {
 		address.Port = net.Port(53)
 	}
 
 	s := &ClassicNameServer{
-		cacheController: NewCacheController(strings.ToUpper(address.String()), disableCache),
 		address:       &address,
-		requests:        make(map[uint16]*udpDnsRequest),
+		ips:           make(map[string]*record),
-		clientIP:        clientIP,
+		requests:      make(map[uint16]*dnsRequest),
+		pub:           pubsub.NewService(),
+		name:          strings.ToUpper(address.String()),
+		queryStrategy: queryStrategy,
 	}
-	s.requestsCleanup = &task.Periodic{
+	s.cleanup = &task.Periodic{
 		Interval: time.Minute,
-		Execute:  s.RequestsCleanup,
+		Execute:  s.Cleanup,
 	}
 	s.udpServer = udp.NewDispatcher(dispatcher, s.HandleResponse)
 	errors.LogInfo(context.Background(), "DNS: created UDP client initialized for ", address.NetAddr())
@@ -62,17 +61,37 @@ func NewClassicNameServer(address net.Destination, dispatcher routing.Dispatcher
 
 // Name implements Server.
 func (s *ClassicNameServer) Name() string {
-	return s.cacheController.name
+	return s.name
 }
 
-// RequestsCleanup clears expired items from cache
+// Cleanup clears expired items from cache
-func (s *ClassicNameServer) RequestsCleanup() error {
+func (s *ClassicNameServer) Cleanup() error {
 	now := time.Now()
 	s.Lock()
 	defer s.Unlock()
 
-	if len(s.requests) == 0 {
+	if len(s.ips) == 0 && len(s.requests) == 0 {
-		return errors.New(s.Name(), " nothing to do. stopping...")
+		return errors.New(s.name, " nothing to do. stopping...")
+	}
+
+	for domain, record := range s.ips {
+		if record.A != nil && record.A.Expire.Before(now) {
+			record.A = nil
+		}
+		if record.AAAA != nil && record.AAAA.Expire.Before(now) {
+			record.AAAA = nil
+		}
+
+		if record.A == nil && record.AAAA == nil {
+			errors.LogDebug(context.Background(), s.name, " cleanup ", domain)
+			delete(s.ips, domain)
+		} else {
+			s.ips[domain] = record
+		}
+	}
+
+	if len(s.ips) == 0 {
+		s.ips = make(map[string]*record)
 	}
 
 	for id, req := range s.requests {
@@ -82,7 +101,7 @@ func (s *ClassicNameServer) RequestsCleanup() error {
 	}
 
 	if len(s.requests) == 0 {
-		s.requests = make(map[uint16]*udpDnsRequest)
+		s.requests = make(map[uint16]*dnsRequest)
 	}
 
 	return nil
@@ -92,7 +111,7 @@ func (s *ClassicNameServer) RequestsCleanup() error {
 func (s *ClassicNameServer) HandleResponse(ctx context.Context, packet *udp_proto.Packet) {
 	ipRec, err := parseResponse(packet.Payload.Bytes())
 	if err != nil {
-		errors.LogError(ctx, s.Name(), " fail to parse responded DNS udp")
+		errors.LogError(ctx, s.name, " fail to parse responded DNS udp")
 		return
 	}
 
@@ -105,107 +124,179 @@ func (s *ClassicNameServer) HandleResponse(ctx context.Context, packet *udp_prot
 	}
 	s.Unlock()
 	if !ok {
-		errors.LogError(ctx, s.Name(), " cannot find the pending request")
+		errors.LogError(ctx, s.name, " cannot find the pending request")
 		return
 	}
 
-	// if truncated, retry with EDNS0 option(udp payload size: 1350)
+	var rec record
-	if ipRec.RawHeader.Truncated {
+	switch req.reqType {
-		// if already has EDNS0 option, no need to retry
+	case dnsmessage.TypeA:
-		if len(req.msg.Additionals) == 0 {
+		rec.A = ipRec
-			// copy necessary meta data from original request
+	case dnsmessage.TypeAAAA:
-			// and add EDNS0 option
+		rec.AAAA = ipRec
-			opt := new(dnsmessage.Resource)
-			common.Must(opt.Header.SetEDNS0(1350, 0xfe00, true))
-			opt.Body = &dnsmessage.OPTResource{}
-			newMsg := *req.msg
-			newReq := *req
-			newMsg.Additionals = append(newMsg.Additionals, *opt)
-			newMsg.ID = s.newReqID()
-			newReq.msg = &newMsg
-			s.addPendingRequest(&newReq)
-			b, _ := dns.PackMessage(newReq.msg)
-			s.udpServer.Dispatch(toDnsContext(newReq.ctx, s.address.String()), *s.address, b)
-			return
-		}
 	}
 
-	s.cacheController.updateIP(&req.dnsRequest, ipRec)
+	elapsed := time.Since(req.start)
+	errors.LogInfo(ctx, s.name, " got answer: ", req.domain, " ", req.reqType, " -> ", ipRec.IP, " ", elapsed)
+	if len(req.domain) > 0 && (rec.A != nil || rec.AAAA != nil) {
+		s.updateIP(req.domain, &rec)
+	}
+}
+
+func (s *ClassicNameServer) updateIP(domain string, newRec *record) {
+	s.Lock()
+
+	rec, found := s.ips[domain]
+	if !found {
+		rec = &record{}
+	}
+
+	updated := false
+	if isNewer(rec.A, newRec.A) {
+		rec.A = newRec.A
+		updated = true
+	}
+	if isNewer(rec.AAAA, newRec.AAAA) {
+		rec.AAAA = newRec.AAAA
+		updated = true
+	}
+
+	if updated {
+		errors.LogDebug(context.Background(), s.name, " updating IP records for domain:", domain)
+		s.ips[domain] = rec
+	}
+	if newRec.A != nil {
+		s.pub.Publish(domain+"4", nil)
+	}
+	if newRec.AAAA != nil {
+		s.pub.Publish(domain+"6", nil)
+	}
+	s.Unlock()
+	common.Must(s.cleanup.Start())
 }
 
 func (s *ClassicNameServer) newReqID() uint16 {
 	return uint16(atomic.AddUint32(&s.reqID, 1))
 }
 
-func (s *ClassicNameServer) addPendingRequest(req *udpDnsRequest) {
+func (s *ClassicNameServer) addPendingRequest(req *dnsRequest) {
 	s.Lock()
+	defer s.Unlock()
+
 	id := req.msg.ID
 	req.expire = time.Now().Add(time.Second * 8)
 	s.requests[id] = req
-	s.Unlock()
-	common.Must(s.requestsCleanup.Start())
 }
 
-func (s *ClassicNameServer) sendQuery(ctx context.Context, _ chan<- error, domain string, option dns_feature.IPOption) {
+func (s *ClassicNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {
-	errors.LogDebug(ctx, s.Name(), " querying DNS for: ", domain)
+	errors.LogDebug(ctx, s.name, " querying DNS for: ", domain)
 
-	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(s.clientIP, 0))
+	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP))
 
 	for _, req := range reqs {
-		udpReq := &udpDnsRequest{
+		s.addPendingRequest(req)
-			dnsRequest: *req,
-			ctx:        ctx,
-		}
-		s.addPendingRequest(udpReq)
 		b, _ := dns.PackMessage(req.msg)
 		s.udpServer.Dispatch(toDnsContext(ctx, s.address.String()), *s.address, b)
 	}
 }
 
+func (s *ClassicNameServer) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, error) {
+	s.RLock()
+	record, found := s.ips[domain]
+	s.RUnlock()
+
+	if !found {
+		return nil, errRecordNotFound
+	}
+
+	var err4 error
+	var err6 error
+	var ips []net.Address
+	var ip6 []net.Address
+
+	if option.IPv4Enable {
+		ips, err4 = record.A.getIPs()
+	}
+
+	if option.IPv6Enable {
+		ip6, err6 = record.AAAA.getIPs()
+		ips = append(ips, ip6...)
+	}
+
+	if len(ips) > 0 {
+		return toNetIP(ips)
+	}
+
+	if err4 != nil {
+		return nil, err4
+	}
+
+	if err6 != nil {
+		return nil, err6
+	}
+
+	return nil, dns_feature.ErrEmptyResponse
+}
+
 // QueryIP implements Server.
-func (s *ClassicNameServer) QueryIP(ctx context.Context, domain string, option dns_feature.IPOption) ([]net.IP, uint32, error) {
+func (s *ClassicNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, disableCache bool) ([]net.IP, error) {
 	fqdn := Fqdn(domain)
-	sub4, sub6 := s.cacheController.registerSubscribers(fqdn, option)
+	option = ResolveIpOptionOverride(s.queryStrategy, option)
-	defer closeSubscribers(sub4, sub6)
+	if !option.IPv4Enable && !option.IPv6Enable {
+		return nil, dns_feature.ErrEmptyResponse
+	}
 
-	if s.cacheController.disableCache {
+	if disableCache {
-		errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.Name())
+		errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.name)
 	} else {
-		ips, ttl, err := s.cacheController.findIPsForDomain(fqdn, option)
+		ips, err := s.findIPsForDomain(fqdn, option)
-		if !go_errors.Is(err, errRecordNotFound) {
+		if err == nil || err == dns_feature.ErrEmptyResponse {
-			errors.LogDebugInner(ctx, err, s.Name(), " cache HIT ", domain, " -> ", ips)
+			errors.LogDebugInner(ctx, err, s.name, " cache HIT ", domain, " -> ", ips)
-			log.Record(&log.DNSLog{Server: s.Name(), Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
+			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
-			return ips, ttl, err
+			return ips, err
 		}
 	}
 
-	noResponseErrCh := make(chan error, 2)
+	// ipv4 and ipv6 belong to different subscription groups
-	s.sendQuery(ctx, noResponseErrCh, fqdn, option)
+	var sub4, sub6 *pubsub.Subscriber
-	start := time.Now()
+	if option.IPv4Enable {
-
+		sub4 = s.pub.Subscribe(fqdn + "4")
+		defer sub4.Close()
+	}
+	if option.IPv6Enable {
+		sub6 = s.pub.Subscribe(fqdn + "6")
+		defer sub6.Close()
+	}
+	done := make(chan interface{})
+	go func() {
 		if sub4 != nil {
 			select {
-		case <-ctx.Done():
-			return nil, 0, ctx.Err()
-		case err := <-noResponseErrCh:
-			return nil, 0, err
 			case <-sub4.Wait():
-			sub4.Close()
+			case <-ctx.Done():
 			}
 		}
 		if sub6 != nil {
 			select {
-		case <-ctx.Done():
-			return nil, 0, ctx.Err()
-		case err := <-noResponseErrCh:
-			return nil, 0, err
 			case <-sub6.Wait():
-			sub6.Close()
+			case <-ctx.Done():
 			}
 		}
+		close(done)
+	}()
+	s.sendQuery(ctx, fqdn, clientIP, option)
+	start := time.Now()
 
-	ips, ttl, err := s.cacheController.findIPsForDomain(fqdn, option)
+	for {
-	log.Record(&log.DNSLog{Server: s.Name(), Domain: domain, Result: ips, Status: log.DNSQueried, Elapsed: time.Since(start), Error: err})
+		ips, err := s.findIPsForDomain(fqdn, option)
-	return ips, ttl, err
+		if err != errRecordNotFound {
+			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSQueried, Elapsed: time.Since(start), Error: err})
+			return ips, err
+		}
 
+		select {
+		case <-ctx.Done():
+			return nil, ctx.Err()
+		case <-done:
+		}
+	}
 }

app/log/log.go

@@ -31,8 +31,8 @@ func New(ctx context.Context, config *Config) (*Instance, error) {
 	}
 	log.RegisterHandler(g)
 
-	// start logger now,
+	// Start logger instantly on initialization
-	// then other modules will be able to log during initialization
+	// Other modules would log during initialization
 	if err := g.startInternal(); err != nil {
 		return nil, err
 	}

app/metrics/config.pb.go

@@ -28,7 +28,6 @@ type Config struct {
 
 	// Tag of the outbound handler that handles metrics http connections.
 	Tag string `protobuf:"bytes,1,opt,name=tag,proto3" json:"tag,omitempty"`
-	Listen string `protobuf:"bytes,2,opt,name=listen,proto3" json:"listen,omitempty"`
 }
 
 func (x *Config) Reset() {
@@ -68,28 +67,20 @@ func (x *Config) GetTag() string {
 	return ""
 }
 
-func (x *Config) GetListen() string {
-	if x != nil {
-		return x.Listen
-	}
-	return ""
-}
-
 var File_app_metrics_config_proto protoreflect.FileDescriptor
 
 var file_app_metrics_config_proto_rawDesc = []byte{
 	0x0a, 0x18, 0x61, 0x70, 0x70, 0x2f, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x2f, 0x63, 0x6f,
 	0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x10, 0x78, 0x72, 0x61, 0x79,
-	0x2e, 0x61, 0x70, 0x70, 0x2e, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x22, 0x32, 0x0a, 0x06,
+	0x2e, 0x61, 0x70, 0x70, 0x2e, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x22, 0x1a, 0x0a, 0x06,
 	0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x10, 0x0a, 0x03, 0x74, 0x61, 0x67, 0x18, 0x01, 0x20,
-	0x01, 0x28, 0x09, 0x52, 0x03, 0x74, 0x61, 0x67, 0x12, 0x16, 0x0a, 0x06, 0x6c, 0x69, 0x73, 0x74,
+	0x01, 0x28, 0x09, 0x52, 0x03, 0x74, 0x61, 0x67, 0x42, 0x52, 0x0a, 0x14, 0x63, 0x6f, 0x6d, 0x2e,
-	0x65, 0x6e, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x6c, 0x69, 0x73, 0x74, 0x65, 0x6e,
+	0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73,
-	0x42, 0x52, 0x0a, 0x14, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70,
+	0x50, 0x01, 0x5a, 0x25, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78,
-	0x2e, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x50, 0x01, 0x5a, 0x25, 0x67, 0x69, 0x74, 0x68,
+	0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x61, 0x70,
-	0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79,
+	0x70, 0x2f, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0xaa, 0x02, 0x10, 0x58, 0x72, 0x61, 0x79,
-	0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x61, 0x70, 0x70, 0x2f, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63,
+	0x2e, 0x41, 0x70, 0x70, 0x2e, 0x4d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x62, 0x06, 0x70, 0x72,
-	0x73, 0xaa, 0x02, 0x10, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x4d, 0x65, 0x74,
+	0x6f, 0x74, 0x6f, 0x33,
-	0x72, 0x69, 0x63, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

app/metrics/config.proto

@@ -10,5 +10,4 @@ option java_multiple_files = true;
 message Config {
   // Tag of the outbound handler that handles metrics http connections.
   string tag = 1;
-  string listen = 2;
 }

app/metrics/metrics.go

@@ -24,15 +24,12 @@ type MetricsHandler struct {
 	statsManager feature_stats.Manager
 	observatory  extension.Observatory
 	tag          string
-	listen       string
-	tcpListener  net.Listener
 }
 
 // NewMetricsHandler creates a new MetricsHandler based on the given config.
 func NewMetricsHandler(ctx context.Context, config *Config) (*MetricsHandler, error) {
 	c := &MetricsHandler{
 		tag: config.Tag,
-		listen: config.Listen,
 	}
 	common.Must(core.RequireFeatures(ctx, func(om outbound.Manager, sm feature_stats.Manager) {
 		c.statsManager = sm
@@ -90,23 +87,6 @@ func (p *MetricsHandler) Type() interface{} {
 }
 
 func (p *MetricsHandler) Start() error {
-
-	// direct listen a port if listen is set
-	if p.listen != "" {
-		TCPlistener, err := net.Listen("tcp", p.listen)
-		if err != nil {
-			return err
-		}
-		p.tcpListener = TCPlistener
-		errors.LogInfo(context.Background(), "Metrics server listening on ", p.listen)
-
-		go func() {
-			if err := http.Serve(TCPlistener, http.DefaultServeMux); err != nil {
-				errors.LogErrorInner(context.Background(), err, "failed to start metrics server")
-			}
-		}()
-	}
-
 	listener := &OutboundListener{
 		buffer: make(chan net.Conn, 4),
 		done:   done.New(),

app/metrics/outbound.go

@@ -8,7 +8,6 @@ import (
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/net/cnc"
-	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/common/signal/done"
 	"github.com/xtls/xray-core/transport"
 )
@@ -109,13 +108,3 @@ func (co *Outbound) Close() error {
 	co.closed = true
 	return co.listener.Close()
 }
-
-// SenderSettings implements outbound.Handler.
-func (co *Outbound) SenderSettings() *serial.TypedMessage {
-	return nil
-}
-
-// ProxySettings implements outbound.Handler.
-func (co *Outbound) ProxySettings() *serial.TypedMessage {
-	return nil
-}

app/observatory/burst/burstobserver.go

@@ -12,7 +12,6 @@ import (
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/extension"
 	"github.com/xtls/xray-core/features/outbound"
-	"github.com/xtls/xray-core/features/routing"
 	"google.golang.org/protobuf/proto"
 )
 
@@ -89,15 +88,13 @@ func (o *Observer) Close() error {
 
 func New(ctx context.Context, config *Config) (*Observer, error) {
 	var outboundManager outbound.Manager
-	var dispatcher routing.Dispatcher
+	err := core.RequireFeatures(ctx, func(om outbound.Manager) {
-	err := core.RequireFeatures(ctx, func(om outbound.Manager, rd routing.Dispatcher) {
 		outboundManager = om
-		dispatcher = rd
 	})
 	if err != nil {
 		return nil, errors.New("Cannot get depended features").Base(err)
 	}
-	hp := NewHealthPing(ctx, dispatcher, config.PingConfig)
+	hp := NewHealthPing(ctx, config.PingConfig)
 	return &Observer{
 		config: config,
 		ctx:    ctx,

app/observatory/burst/config.pb.go

@@ -90,8 +90,6 @@ type HealthPingConfig struct {
 	SamplingCount int32 `protobuf:"varint,4,opt,name=samplingCount,proto3" json:"samplingCount,omitempty"`
 	// ping timeout, int64 values of time.Duration
 	Timeout int64 `protobuf:"varint,5,opt,name=timeout,proto3" json:"timeout,omitempty"`
-	// http method to make request
-	HttpMethod string `protobuf:"bytes,6,opt,name=httpMethod,proto3" json:"httpMethod,omitempty"`
 }
 
 func (x *HealthPingConfig) Reset() {
@@ -159,13 +157,6 @@ func (x *HealthPingConfig) GetTimeout() int64 {
 	return 0
 }
 
-func (x *HealthPingConfig) GetHttpMethod() string {
-	if x != nil {
-		return x.HttpMethod
-	}
-	return ""
-}
-
 var File_app_observatory_burst_config_proto protoreflect.FileDescriptor
 
 var file_app_observatory_burst_config_proto_rawDesc = []byte{
@@ -182,7 +173,7 @@ var file_app_observatory_burst_config_proto_rawDesc = []byte{
 	0x2e, 0x6f, 0x62, 0x73, 0x65, 0x72, 0x76, 0x61, 0x74, 0x6f, 0x72, 0x79, 0x2e, 0x62, 0x75, 0x72,
 	0x73, 0x74, 0x2e, 0x48, 0x65, 0x61, 0x6c, 0x74, 0x68, 0x50, 0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e,
 	0x66, 0x69, 0x67, 0x52, 0x0a, 0x70, 0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x22,
-	0xd4, 0x01, 0x0a, 0x10, 0x48, 0x65, 0x61, 0x6c, 0x74, 0x68, 0x50, 0x69, 0x6e, 0x67, 0x43, 0x6f,
+	0xb4, 0x01, 0x0a, 0x10, 0x48, 0x65, 0x61, 0x6c, 0x74, 0x68, 0x50, 0x69, 0x6e, 0x67, 0x43, 0x6f,
 	0x6e, 0x66, 0x69, 0x67, 0x12, 0x20, 0x0a, 0x0b, 0x64, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x61, 0x74,
 	0x69, 0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x64, 0x65, 0x73, 0x74, 0x69,
 	0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x22, 0x0a, 0x0c, 0x63, 0x6f, 0x6e, 0x6e, 0x65, 0x63,
@@ -193,9 +184,7 @@ var file_app_observatory_burst_config_proto_rawDesc = []byte{
 	0x6e, 0x67, 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x18, 0x04, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0d, 0x73,
 	0x61, 0x6d, 0x70, 0x6c, 0x69, 0x6e, 0x67, 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x12, 0x18, 0x0a, 0x07,
 	0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x18, 0x05, 0x20, 0x01, 0x28, 0x03, 0x52, 0x07, 0x74,
-	0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x12, 0x1e, 0x0a, 0x0a, 0x68, 0x74, 0x74, 0x70, 0x4d, 0x65,
+	0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x42, 0x70, 0x0a, 0x1e, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72,
-	0x74, 0x68, 0x6f, 0x64, 0x18, 0x06, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x68, 0x74, 0x74, 0x70,
-	0x4d, 0x65, 0x74, 0x68, 0x6f, 0x64, 0x42, 0x70, 0x0a, 0x1e, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72,
 	0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x6f, 0x62, 0x73, 0x65, 0x72, 0x76, 0x61, 0x74, 0x6f,
 	0x72, 0x79, 0x2e, 0x62, 0x75, 0x72, 0x73, 0x74, 0x50, 0x01, 0x5a, 0x2f, 0x67, 0x69, 0x74, 0x68,
 	0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79,

app/observatory/burst/config.proto

@@ -26,7 +26,4 @@ message HealthPingConfig {
   int32 samplingCount = 4;
   // ping timeout, int64 values of time.Duration
   int64 timeout = 5;
-  // http method to make request
-  string httpMethod = 6;
-
 }

app/observatory/burst/healthping.go

@@ -9,7 +9,6 @@ import (
 
 	"github.com/xtls/xray-core/common/dice"
 	"github.com/xtls/xray-core/common/errors"
-	"github.com/xtls/xray-core/features/routing"
 )
 
 // HealthPingSettings holds settings for health Checker
@@ -19,13 +18,11 @@ type HealthPingSettings struct {
 	Interval      time.Duration `json:"interval"`
 	SamplingCount int           `json:"sampling"`
 	Timeout       time.Duration `json:"timeout"`
-	HttpMethod    string        `json:"httpMethod"`
 }
 
 // HealthPing is the health checker for balancers
 type HealthPing struct {
 	ctx         context.Context
-	dispatcher  routing.Dispatcher
 	access      sync.Mutex
 	ticker      *time.Ticker
 	tickerClose chan struct{}
@@ -35,24 +32,15 @@ type HealthPing struct {
 }
 
 // NewHealthPing creates a new HealthPing with settings
-func NewHealthPing(ctx context.Context, dispatcher routing.Dispatcher, config *HealthPingConfig) *HealthPing {
+func NewHealthPing(ctx context.Context, config *HealthPingConfig) *HealthPing {
 	settings := &HealthPingSettings{}
 	if config != nil {
-
-		var httpMethod string
-		if config.HttpMethod == "" {
-			httpMethod = "HEAD"
-		} else {
-			httpMethod = strings.TrimSpace(config.HttpMethod)
-		}
-
 		settings = &HealthPingSettings{
 			Connectivity:  strings.TrimSpace(config.Connectivity),
 			Destination:   strings.TrimSpace(config.Destination),
 			Interval:      time.Duration(config.Interval),
 			SamplingCount: int(config.SamplingCount),
 			Timeout:       time.Duration(config.Timeout),
-			HttpMethod:    httpMethod,
 		}
 	}
 	if settings.Destination == "" {
@@ -77,7 +65,6 @@ func NewHealthPing(ctx context.Context, dispatcher routing.Dispatcher, config *H
 	}
 	return &HealthPing{
 		ctx:      ctx,
-		dispatcher: dispatcher,
 		Settings: settings,
 		Results:  nil,
 	}
@@ -162,7 +149,6 @@ func (h *HealthPing) doCheck(tags []string, duration time.Duration, rounds int)
 		handler := tag
 		client := newPingClient(
 			h.ctx,
-			h.dispatcher,
 			h.Settings.Destination,
 			h.Settings.Timeout,
 			handler,
@@ -174,7 +160,7 @@ func (h *HealthPing) doCheck(tags []string, duration time.Duration, rounds int)
 			}
 			time.AfterFunc(delay, func() {
 				errors.LogDebug(h.ctx, "checking ", handler)
-				delay, err := client.MeasureDelay(h.Settings.HttpMethod)
+				delay, err := client.MeasureDelay()
 				if err == nil {
 					ch <- &rtt{
 						handler: handler,
@@ -261,7 +247,7 @@ func (h *HealthPing) checkConnectivity() bool {
 		h.Settings.Connectivity,
 		h.Settings.Timeout,
 	)
-	if _, err := tester.MeasureDelay(h.Settings.HttpMethod); err != nil {
+	if _, err := tester.MeasureDelay(); err != nil {
 		return false
 	}
 	return true

app/observatory/burst/ping.go

@@ -2,12 +2,10 @@ package burst
 
 import (
 	"context"
-	"io"
 	"net/http"
 	"time"
 
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/transport/internet/tagged"
 )
 
@@ -16,10 +14,10 @@ type pingClient struct {
 	httpClient  *http.Client
 }
 
-func newPingClient(ctx context.Context, dispatcher routing.Dispatcher, destination string, timeout time.Duration, handler string) *pingClient {
+func newPingClient(ctx context.Context, destination string, timeout time.Duration, handler string) *pingClient {
 	return &pingClient{
 		destination: destination,
-		httpClient:  newHTTPClient(ctx, dispatcher, handler, timeout),
+		httpClient:  newHTTPClient(ctx, handler, timeout),
 	}
 }
 
@@ -30,7 +28,7 @@ func newDirectPingClient(destination string, timeout time.Duration) *pingClient
 	}
 }
 
-func newHTTPClient(ctxv context.Context, dispatcher routing.Dispatcher, handler string, timeout time.Duration) *http.Client {
+func newHTTPClient(ctxv context.Context, handler string, timeout time.Duration) *http.Client {
 	tr := &http.Transport{
 		DisableKeepAlives: true,
 		DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
@@ -38,7 +36,7 @@ func newHTTPClient(ctxv context.Context, dispatcher routing.Dispatcher, handler
 			if err != nil {
 				return nil, err
 			}
-			return tagged.Dialer(ctxv, dispatcher, dest, handler)
+			return tagged.Dialer(ctxv, dest, handler)
 		},
 	}
 	return &http.Client{
@@ -52,28 +50,20 @@ func newHTTPClient(ctxv context.Context, dispatcher routing.Dispatcher, handler
 }
 
 // MeasureDelay returns the delay time of the request to dest
-func (s *pingClient) MeasureDelay(httpMethod string) (time.Duration, error) {
+func (s *pingClient) MeasureDelay() (time.Duration, error) {
 	if s.httpClient == nil {
-		panic("pingClient not initialized")
+		panic("pingClient no initialized")
 	}
-
+	req, err := http.NewRequest(http.MethodHead, s.destination, nil)
-	req, err := http.NewRequest(httpMethod, s.destination, nil)
 	if err != nil {
 		return rttFailed, err
 	}
-
 	start := time.Now()
 	resp, err := s.httpClient.Do(req)
 	if err != nil {
 		return rttFailed, err
 	}
-	if httpMethod == http.MethodGet {
+	// don't wait for body
-		_, err = io.Copy(io.Discard, resp.Body)
-		if err != nil {
-			return rttFailed, err
-		}
-	}
 	resp.Body.Close()
-
 	return time.Since(start), nil
 }

app/observatory/command/command.go

@@ -38,7 +38,7 @@ func init() {
 		sv := &service{v: s}
 		err := s.RequireFeatures(func(Observatory extension.Observatory) {
 			sv.observatory = Observatory
-		}, false)
+		})
 		if err != nil {
 			return nil, err
 		}

app/observatory/observer.go

@@ -18,7 +18,6 @@ import (
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/extension"
 	"github.com/xtls/xray-core/features/outbound"
-	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/transport/internet/tagged"
 	"google.golang.org/protobuf/proto"
 )
@@ -33,7 +32,6 @@ type Observer struct {
 	finished *done.Instance
 
 	ohm outbound.Manager
-	dispatcher routing.Dispatcher
 }
 
 func (o *Observer) GetObservation(ctx context.Context) (proto.Message, error) {
@@ -133,7 +131,7 @@ func (o *Observer) probe(outbound string) ProbeResult {
 					return errors.New("cannot understand address").Base(err)
 				}
 				trackedCtx := session.TrackedConnectionError(o.ctx, errorCollectorForRequest)
-				conn, err := tagged.Dialer(trackedCtx, o.dispatcher, dest, outbound)
+				conn, err := tagged.Dialer(trackedCtx, dest, outbound)
 				if err != nil {
 					return errors.New("cannot dial remote address ", dest).Base(err)
 				}
@@ -217,10 +215,8 @@ func (o *Observer) findStatusLocationLockHolderOnly(outbound string) int {
 
 func New(ctx context.Context, config *Config) (*Observer, error) {
 	var outboundManager outbound.Manager
-	var dispatcher routing.Dispatcher
+	err := core.RequireFeatures(ctx, func(om outbound.Manager) {
-	err := core.RequireFeatures(ctx, func(om outbound.Manager, rd routing.Dispatcher) {
 		outboundManager = om
-		dispatcher = rd
 	})
 	if err != nil {
 		return nil, errors.New("Cannot get depended features").Base(err)
@@ -229,7 +225,6 @@ func New(ctx context.Context, config *Config) (*Observer, error) {
 		config: config,
 		ctx:    ctx,
 		ohm:    outboundManager,
-		dispatcher: dispatcher,
 	}, nil
 }
 

app/policy/config.go

@@ -73,7 +73,6 @@ func (p *Policy) ToCorePolicy() policy.Session {
 	if p.Stats != nil {
 		cp.Stats.UserUplink = p.Stats.UserUplink
 		cp.Stats.UserDownlink = p.Stats.UserDownlink
-		cp.Stats.UserOnline = p.Stats.UserOnline
 	}
 	if p.Buffer != nil {
 		cp.Buffer.PerConnection = p.Buffer.Connection

app/policy/config.pb.go

@@ -301,7 +301,6 @@ type Policy_Stats struct {
 
 	UserUplink   bool `protobuf:"varint,1,opt,name=user_uplink,json=userUplink,proto3" json:"user_uplink,omitempty"`
 	UserDownlink bool `protobuf:"varint,2,opt,name=user_downlink,json=userDownlink,proto3" json:"user_downlink,omitempty"`
-	UserOnline   bool `protobuf:"varint,3,opt,name=user_online,json=userOnline,proto3" json:"user_online,omitempty"`
 }
 
 func (x *Policy_Stats) Reset() {
@@ -348,13 +347,6 @@ func (x *Policy_Stats) GetUserDownlink() bool {
 	return false
 }
 
-func (x *Policy_Stats) GetUserOnline() bool {
-	if x != nil {
-		return x.UserOnline
-	}
-	return false
-}
-
 type Policy_Buffer struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -477,7 +469,7 @@ var file_app_policy_config_proto_rawDesc = []byte{
 	0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0f, 0x78, 0x72, 0x61, 0x79, 0x2e,
 	0x61, 0x70, 0x70, 0x2e, 0x70, 0x6f, 0x6c, 0x69, 0x63, 0x79, 0x22, 0x1e, 0x0a, 0x06, 0x53, 0x65,
 	0x63, 0x6f, 0x6e, 0x64, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x01, 0x20,
-	0x01, 0x28, 0x0d, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0xc7, 0x04, 0x0a, 0x06, 0x50,
+	0x01, 0x28, 0x0d, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0xa6, 0x04, 0x0a, 0x06, 0x50,
 	0x6f, 0x6c, 0x69, 0x63, 0x79, 0x12, 0x39, 0x0a, 0x07, 0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74,
 	0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1f, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70,
 	0x70, 0x2e, 0x70, 0x6f, 0x6c, 0x69, 0x63, 0x79, 0x2e, 0x50, 0x6f, 0x6c, 0x69, 0x63, 0x79, 0x2e,
@@ -504,51 +496,49 @@ var file_app_policy_config_proto_rawDesc = []byte{
 	0x64, 0x6f, 0x77, 0x6e, 0x6c, 0x69, 0x6e, 0x6b, 0x5f, 0x6f, 0x6e, 0x6c, 0x79, 0x18, 0x04, 0x20,
 	0x01, 0x28, 0x0b, 0x32, 0x17, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70,
 	0x6f, 0x6c, 0x69, 0x63, 0x79, 0x2e, 0x53, 0x65, 0x63, 0x6f, 0x6e, 0x64, 0x52, 0x0c, 0x64, 0x6f,
-	0x77, 0x6e, 0x6c, 0x69, 0x6e, 0x6b, 0x4f, 0x6e, 0x6c, 0x79, 0x1a, 0x6e, 0x0a, 0x05, 0x53, 0x74,
+	0x77, 0x6e, 0x6c, 0x69, 0x6e, 0x6b, 0x4f, 0x6e, 0x6c, 0x79, 0x1a, 0x4d, 0x0a, 0x05, 0x53, 0x74,
 	0x61, 0x74, 0x73, 0x12, 0x1f, 0x0a, 0x0b, 0x75, 0x73, 0x65, 0x72, 0x5f, 0x75, 0x70, 0x6c, 0x69,
 	0x6e, 0x6b, 0x18, 0x01, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0a, 0x75, 0x73, 0x65, 0x72, 0x55, 0x70,
 	0x6c, 0x69, 0x6e, 0x6b, 0x12, 0x23, 0x0a, 0x0d, 0x75, 0x73, 0x65, 0x72, 0x5f, 0x64, 0x6f, 0x77,
 	0x6e, 0x6c, 0x69, 0x6e, 0x6b, 0x18, 0x02, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0c, 0x75, 0x73, 0x65,
-	0x72, 0x44, 0x6f, 0x77, 0x6e, 0x6c, 0x69, 0x6e, 0x6b, 0x12, 0x1f, 0x0a, 0x0b, 0x75, 0x73, 0x65,
+	0x72, 0x44, 0x6f, 0x77, 0x6e, 0x6c, 0x69, 0x6e, 0x6b, 0x1a, 0x28, 0x0a, 0x06, 0x42, 0x75, 0x66,
-	0x72, 0x5f, 0x6f, 0x6e, 0x6c, 0x69, 0x6e, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0a,
+	0x66, 0x65, 0x72, 0x12, 0x1e, 0x0a, 0x0a, 0x63, 0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f,
-	0x75, 0x73, 0x65, 0x72, 0x4f, 0x6e, 0x6c, 0x69, 0x6e, 0x65, 0x1a, 0x28, 0x0a, 0x06, 0x42, 0x75,
+	0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0a, 0x63, 0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74,
-	0x66, 0x66, 0x65, 0x72, 0x12, 0x1e, 0x0a, 0x0a, 0x63, 0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69,
+	0x69, 0x6f, 0x6e, 0x22, 0xfb, 0x01, 0x0a, 0x0c, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x50, 0x6f,
-	0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0a, 0x63, 0x6f, 0x6e, 0x6e, 0x65, 0x63,
+	0x6c, 0x69, 0x63, 0x79, 0x12, 0x39, 0x0a, 0x05, 0x73, 0x74, 0x61, 0x74, 0x73, 0x18, 0x01, 0x20,
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+	0x79, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-	0xaa, 0x02, 0x0f, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x50, 0x6f, 0x6c, 0x69,
-	0x63, 0x79, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

app/policy/config.proto

@@ -22,7 +22,6 @@ message Policy {
   message Stats {
     bool user_uplink = 1;
     bool user_downlink = 2;
-    bool user_online = 3;
   }
 
   message Buffer {

app/proxyman/command/command.go

@@ -3,10 +3,8 @@ package command
 import (
 	"context"
 
-	"github.com/xtls/xray-core/app/commander"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
-	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/inbound"
 	"github.com/xtls/xray-core/features/outbound"
@@ -100,68 +98,6 @@ func (s *handlerServer) AlterInbound(ctx context.Context, request *AlterInboundR
 	return &AlterInboundResponse{}, operation.ApplyInbound(ctx, handler)
 }
 
-func (s *handlerServer) ListInbounds(ctx context.Context, request *ListInboundsRequest) (*ListInboundsResponse, error) {
-	handlers := s.ihm.ListHandlers(ctx)
-	response := &ListInboundsResponse{}
-	if request.GetIsOnlyTags() {
-		for _, handler := range handlers {
-			response.Inbounds = append(response.Inbounds, &core.InboundHandlerConfig{
-				Tag: handler.Tag(),
-			})
-		}
-	} else {
-		for _, handler := range handlers {
-			response.Inbounds = append(response.Inbounds, &core.InboundHandlerConfig{
-				Tag:              handler.Tag(),
-				ReceiverSettings: handler.ReceiverSettings(),
-				ProxySettings:    handler.ProxySettings(),
-			})
-		}
-	}
-
-	return response, nil
-}
-
-func (s *handlerServer) GetInboundUsers(ctx context.Context, request *GetInboundUserRequest) (*GetInboundUserResponse, error) {
-	handler, err := s.ihm.GetHandler(ctx, request.Tag)
-	if err != nil {
-		return nil, errors.New("failed to get handler: ", request.Tag).Base(err)
-	}
-	p, err := getInbound(handler)
-	if err != nil {
-		return nil, err
-	}
-	um, ok := p.(proxy.UserManager)
-	if !ok {
-		return nil, errors.New("proxy is not a UserManager")
-	}
-	if len(request.Email) > 0 {
-		return &GetInboundUserResponse{Users: []*protocol.User{protocol.ToProtoUser(um.GetUser(ctx, request.Email))}}, nil
-	}
-	var result = make([]*protocol.User, 0, 100)
-	users := um.GetUsers(ctx)
-	for _, u := range users {
-		result = append(result, protocol.ToProtoUser(u))
-	}
-	return &GetInboundUserResponse{Users: result}, nil
-}
-
-func (s *handlerServer) GetInboundUsersCount(ctx context.Context, request *GetInboundUserRequest) (*GetInboundUsersCountResponse, error) {
-	handler, err := s.ihm.GetHandler(ctx, request.Tag)
-	if err != nil {
-		return nil, errors.New("failed to get handler: ", request.Tag).Base(err)
-	}
-	p, err := getInbound(handler)
-	if err != nil {
-		return nil, err
-	}
-	um, ok := p.(proxy.UserManager)
-	if !ok {
-		return nil, errors.New("proxy is not a UserManager")
-	}
-	return &GetInboundUsersCountResponse{Count: um.GetUsersCount(ctx)}, nil
-}
-
 func (s *handlerServer) AddOutbound(ctx context.Context, request *AddOutboundRequest) (*AddOutboundResponse, error) {
 	if err := core.AddOutboundHandler(s.s, request.Outbound); err != nil {
 		return nil, err
@@ -187,23 +123,6 @@ func (s *handlerServer) AlterOutbound(ctx context.Context, request *AlterOutboun
 	return &AlterOutboundResponse{}, operation.ApplyOutbound(ctx, handler)
 }
 
-func (s *handlerServer) ListOutbounds(ctx context.Context, request *ListOutboundsRequest) (*ListOutboundsResponse, error) {
-	handlers := s.ohm.ListHandlers(ctx)
-	response := &ListOutboundsResponse{}
-	for _, handler := range handlers {
-		// Ignore gRPC outbound
-		if _, ok := handler.(*commander.Outbound); ok {
-			continue
-		}
-		response.Outbounds = append(response.Outbounds, &core.OutboundHandlerConfig{
-			Tag:            handler.Tag(),
-			SenderSettings: handler.SenderSettings(),
-			ProxySettings:  handler.ProxySettings(),
-		})
-	}
-	return response, nil
-}
-
 func (s *handlerServer) mustEmbedUnimplementedHandlerServiceServer() {}
 
 type service struct {
@@ -217,7 +136,7 @@ func (s *service) Register(server *grpc.Server) {
 	common.Must(s.v.RequireFeatures(func(im inbound.Manager, om outbound.Manager) {
 		hs.ihm = im
 		hs.ohm = om
-	}, false))
+	}))
 	RegisterHandlerServiceServer(server, hs)
 
 	// For compatibility purposes

app/proxyman/command/command.pb.go

@@ -364,239 +364,6 @@ func (*AlterInboundResponse) Descriptor() ([]byte, []int) {
 	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{7}
 }
 
-type ListInboundsRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	IsOnlyTags bool `protobuf:"varint,1,opt,name=isOnlyTags,proto3" json:"isOnlyTags,omitempty"`
-}
-
-func (x *ListInboundsRequest) Reset() {
-	*x = ListInboundsRequest{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[8]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *ListInboundsRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*ListInboundsRequest) ProtoMessage() {}
-
-func (x *ListInboundsRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[8]
-	if x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use ListInboundsRequest.ProtoReflect.Descriptor instead.
-func (*ListInboundsRequest) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{8}
-}
-
-func (x *ListInboundsRequest) GetIsOnlyTags() bool {
-	if x != nil {
-		return x.IsOnlyTags
-	}
-	return false
-}
-
-type ListInboundsResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Inbounds []*core.InboundHandlerConfig `protobuf:"bytes,1,rep,name=inbounds,proto3" json:"inbounds,omitempty"`
-}
-
-func (x *ListInboundsResponse) Reset() {
-	*x = ListInboundsResponse{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[9]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *ListInboundsResponse) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*ListInboundsResponse) ProtoMessage() {}
-
-func (x *ListInboundsResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[9]
-	if x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use ListInboundsResponse.ProtoReflect.Descriptor instead.
-func (*ListInboundsResponse) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{9}
-}
-
-func (x *ListInboundsResponse) GetInbounds() []*core.InboundHandlerConfig {
-	if x != nil {
-		return x.Inbounds
-	}
-	return nil
-}
-
-type GetInboundUserRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Tag   string `protobuf:"bytes,1,opt,name=tag,proto3" json:"tag,omitempty"`
-	Email string `protobuf:"bytes,2,opt,name=email,proto3" json:"email,omitempty"`
-}
-
-func (x *GetInboundUserRequest) Reset() {
-	*x = GetInboundUserRequest{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[10]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *GetInboundUserRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*GetInboundUserRequest) ProtoMessage() {}
-
-func (x *GetInboundUserRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[10]
-	if x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use GetInboundUserRequest.ProtoReflect.Descriptor instead.
-func (*GetInboundUserRequest) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{10}
-}
-
-func (x *GetInboundUserRequest) GetTag() string {
-	if x != nil {
-		return x.Tag
-	}
-	return ""
-}
-
-func (x *GetInboundUserRequest) GetEmail() string {
-	if x != nil {
-		return x.Email
-	}
-	return ""
-}
-
-type GetInboundUserResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Users []*protocol.User `protobuf:"bytes,1,rep,name=users,proto3" json:"users,omitempty"`
-}
-
-func (x *GetInboundUserResponse) Reset() {
-	*x = GetInboundUserResponse{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[11]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *GetInboundUserResponse) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*GetInboundUserResponse) ProtoMessage() {}
-
-func (x *GetInboundUserResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[11]
-	if x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use GetInboundUserResponse.ProtoReflect.Descriptor instead.
-func (*GetInboundUserResponse) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{11}
-}
-
-func (x *GetInboundUserResponse) GetUsers() []*protocol.User {
-	if x != nil {
-		return x.Users
-	}
-	return nil
-}
-
-type GetInboundUsersCountResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Count int64 `protobuf:"varint,1,opt,name=count,proto3" json:"count,omitempty"`
-}
-
-func (x *GetInboundUsersCountResponse) Reset() {
-	*x = GetInboundUsersCountResponse{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[12]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *GetInboundUsersCountResponse) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*GetInboundUsersCountResponse) ProtoMessage() {}
-
-func (x *GetInboundUsersCountResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[12]
-	if x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use GetInboundUsersCountResponse.ProtoReflect.Descriptor instead.
-func (*GetInboundUsersCountResponse) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{12}
-}
-
-func (x *GetInboundUsersCountResponse) GetCount() int64 {
-	if x != nil {
-		return x.Count
-	}
-	return 0
-}
-
 type AddOutboundRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -607,7 +374,7 @@ type AddOutboundRequest struct {
 
 func (x *AddOutboundRequest) Reset() {
 	*x = AddOutboundRequest{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[13]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[8]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -619,7 +386,7 @@ func (x *AddOutboundRequest) String() string {
 func (*AddOutboundRequest) ProtoMessage() {}
 
 func (x *AddOutboundRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[13]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[8]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -632,7 +399,7 @@ func (x *AddOutboundRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AddOutboundRequest.ProtoReflect.Descriptor instead.
 func (*AddOutboundRequest) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{13}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *AddOutboundRequest) GetOutbound() *core.OutboundHandlerConfig {
@@ -650,7 +417,7 @@ type AddOutboundResponse struct {
 
 func (x *AddOutboundResponse) Reset() {
 	*x = AddOutboundResponse{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[14]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[9]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -662,7 +429,7 @@ func (x *AddOutboundResponse) String() string {
 func (*AddOutboundResponse) ProtoMessage() {}
 
 func (x *AddOutboundResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[14]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[9]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -675,7 +442,7 @@ func (x *AddOutboundResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AddOutboundResponse.ProtoReflect.Descriptor instead.
 func (*AddOutboundResponse) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{14}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{9}
 }
 
 type RemoveOutboundRequest struct {
@@ -688,7 +455,7 @@ type RemoveOutboundRequest struct {
 
 func (x *RemoveOutboundRequest) Reset() {
 	*x = RemoveOutboundRequest{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[15]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[10]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -700,7 +467,7 @@ func (x *RemoveOutboundRequest) String() string {
 func (*RemoveOutboundRequest) ProtoMessage() {}
 
 func (x *RemoveOutboundRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[15]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[10]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -713,7 +480,7 @@ func (x *RemoveOutboundRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RemoveOutboundRequest.ProtoReflect.Descriptor instead.
 func (*RemoveOutboundRequest) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{15}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *RemoveOutboundRequest) GetTag() string {
@@ -731,7 +498,7 @@ type RemoveOutboundResponse struct {
 
 func (x *RemoveOutboundResponse) Reset() {
 	*x = RemoveOutboundResponse{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[16]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[11]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -743,7 +510,7 @@ func (x *RemoveOutboundResponse) String() string {
 func (*RemoveOutboundResponse) ProtoMessage() {}
 
 func (x *RemoveOutboundResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[16]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[11]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -756,7 +523,7 @@ func (x *RemoveOutboundResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RemoveOutboundResponse.ProtoReflect.Descriptor instead.
 func (*RemoveOutboundResponse) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{16}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{11}
 }
 
 type AlterOutboundRequest struct {
@@ -770,7 +537,7 @@ type AlterOutboundRequest struct {
 
 func (x *AlterOutboundRequest) Reset() {
 	*x = AlterOutboundRequest{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[17]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[12]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -782,7 +549,7 @@ func (x *AlterOutboundRequest) String() string {
 func (*AlterOutboundRequest) ProtoMessage() {}
 
 func (x *AlterOutboundRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[17]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[12]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -795,7 +562,7 @@ func (x *AlterOutboundRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AlterOutboundRequest.ProtoReflect.Descriptor instead.
 func (*AlterOutboundRequest) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{17}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *AlterOutboundRequest) GetTag() string {
@@ -820,7 +587,7 @@ type AlterOutboundResponse struct {
 
 func (x *AlterOutboundResponse) Reset() {
 	*x = AlterOutboundResponse{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[18]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[13]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -832,7 +599,7 @@ func (x *AlterOutboundResponse) String() string {
 func (*AlterOutboundResponse) ProtoMessage() {}
 
 func (x *AlterOutboundResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[18]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[13]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -845,88 +612,7 @@ func (x *AlterOutboundResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AlterOutboundResponse.ProtoReflect.Descriptor instead.
 func (*AlterOutboundResponse) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{18}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{13}
-}
-
-type ListOutboundsRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-}
-
-func (x *ListOutboundsRequest) Reset() {
-	*x = ListOutboundsRequest{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[19]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *ListOutboundsRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*ListOutboundsRequest) ProtoMessage() {}
-
-func (x *ListOutboundsRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[19]
-	if x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use ListOutboundsRequest.ProtoReflect.Descriptor instead.
-func (*ListOutboundsRequest) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{19}
-}
-
-type ListOutboundsResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Outbounds []*core.OutboundHandlerConfig `protobuf:"bytes,1,rep,name=outbounds,proto3" json:"outbounds,omitempty"`
-}
-
-func (x *ListOutboundsResponse) Reset() {
-	*x = ListOutboundsResponse{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[20]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *ListOutboundsResponse) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*ListOutboundsResponse) ProtoMessage() {}
-
-func (x *ListOutboundsResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[20]
-	if x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use ListOutboundsResponse.ProtoReflect.Descriptor instead.
-func (*ListOutboundsResponse) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{20}
-}
-
-func (x *ListOutboundsResponse) GetOutbounds() []*core.OutboundHandlerConfig {
-	if x != nil {
-		return x.Outbounds
-	}
-	return nil
 }
 
 type Config struct {
@@ -937,7 +623,7 @@ type Config struct {
 
 func (x *Config) Reset() {
 	*x = Config{}
-	mi := &file_app_proxyman_command_command_proto_msgTypes[21]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[14]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -949,7 +635,7 @@ func (x *Config) String() string {
 func (*Config) ProtoMessage() {}
 
 func (x *Config) ProtoReflect() protoreflect.Message {
-	mi := &file_app_proxyman_command_command_proto_msgTypes[21]
+	mi := &file_app_proxyman_command_command_proto_msgTypes[14]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -962,7 +648,7 @@ func (x *Config) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Config.ProtoReflect.Descriptor instead.
 func (*Config) Descriptor() ([]byte, []int) {
-	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{21}
+	return file_app_proxyman_command_command_proto_rawDescGZIP(), []int{14}
 }
 
 var File_app_proxyman_command_command_proto protoreflect.FileDescriptor
@@ -1002,55 +688,27 @@ var file_app_proxyman_command_command_proto_rawDesc = []byte{
 	0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x73, 0x65, 0x72, 0x69, 0x61, 0x6c, 0x2e, 0x54, 0x79, 0x70,
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-	0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78,
+	0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x2e, 0x41, 0x6c, 0x74, 0x65, 0x72, 0x4f, 0x75,
-	0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x61, 0x70, 0x70, 0x2f, 0x70, 0x72, 0x6f,
+	0x74, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x30, 0x2e,
-	0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0xaa, 0x02, 0x19,
+	0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61,
-	0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61,
+	0x6e, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x2e, 0x41, 0x6c, 0x74, 0x65, 0x72, 0x4f,
-	0x6e, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x75, 0x74, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22,
-	0x33,
+	0x00, 0x42, 0x6d, 0x0a, 0x1d, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70,
+	0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x61,
+	0x6e, 0x64, 0x50, 0x01, 0x5a, 0x2e, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d,
+	0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f,
+	0x61, 0x70, 0x70, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2f, 0x63, 0x6f, 0x6d,
+	0x6d, 0x61, 0x6e, 0x64, 0xaa, 0x02, 0x19, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e,
+	0x50, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1148,7 +775,7 @@ func file_app_proxyman_command_command_proto_rawDescGZIP() []byte {
 	return file_app_proxyman_command_command_proto_rawDescData
 }
 
-var file_app_proxyman_command_command_proto_msgTypes = make([]protoimpl.MessageInfo, 22)
+var file_app_proxyman_command_command_proto_msgTypes = make([]protoimpl.MessageInfo, 15)
 var file_app_proxyman_command_command_proto_goTypes = []any{
 	(*AddUserOperation)(nil),           // 0: xray.app.proxyman.command.AddUserOperation
 	(*RemoveUserOperation)(nil),        // 1: xray.app.proxyman.command.RemoveUserOperation
@@ -1158,59 +785,41 @@ var file_app_proxyman_command_command_proto_goTypes = []any{
 	(*RemoveInboundResponse)(nil),      // 5: xray.app.proxyman.command.RemoveInboundResponse
 	(*AlterInboundRequest)(nil),        // 6: xray.app.proxyman.command.AlterInboundRequest
 	(*AlterInboundResponse)(nil),       // 7: xray.app.proxyman.command.AlterInboundResponse
-	(*ListInboundsRequest)(nil),          // 8: xray.app.proxyman.command.ListInboundsRequest
+	(*AddOutboundRequest)(nil),         // 8: xray.app.proxyman.command.AddOutboundRequest
-	(*ListInboundsResponse)(nil),         // 9: xray.app.proxyman.command.ListInboundsResponse
+	(*AddOutboundResponse)(nil),        // 9: xray.app.proxyman.command.AddOutboundResponse
-	(*GetInboundUserRequest)(nil),        // 10: xray.app.proxyman.command.GetInboundUserRequest
+	(*RemoveOutboundRequest)(nil),      // 10: xray.app.proxyman.command.RemoveOutboundRequest
-	(*GetInboundUserResponse)(nil),       // 11: xray.app.proxyman.command.GetInboundUserResponse
+	(*RemoveOutboundResponse)(nil),     // 11: xray.app.proxyman.command.RemoveOutboundResponse
-	(*GetInboundUsersCountResponse)(nil), // 12: xray.app.proxyman.command.GetInboundUsersCountResponse
+	(*AlterOutboundRequest)(nil),       // 12: xray.app.proxyman.command.AlterOutboundRequest
-	(*AddOutboundRequest)(nil),           // 13: xray.app.proxyman.command.AddOutboundRequest
+	(*AlterOutboundResponse)(nil),      // 13: xray.app.proxyman.command.AlterOutboundResponse
-	(*AddOutboundResponse)(nil),          // 14: xray.app.proxyman.command.AddOutboundResponse
+	(*Config)(nil),                     // 14: xray.app.proxyman.command.Config
-	(*RemoveOutboundRequest)(nil),        // 15: xray.app.proxyman.command.RemoveOutboundRequest
+	(*protocol.User)(nil),              // 15: xray.common.protocol.User
-	(*RemoveOutboundResponse)(nil),       // 16: xray.app.proxyman.command.RemoveOutboundResponse
+	(*core.InboundHandlerConfig)(nil),  // 16: xray.core.InboundHandlerConfig
-	(*AlterOutboundRequest)(nil),         // 17: xray.app.proxyman.command.AlterOutboundRequest
+	(*serial.TypedMessage)(nil),        // 17: xray.common.serial.TypedMessage
-	(*AlterOutboundResponse)(nil),        // 18: xray.app.proxyman.command.AlterOutboundResponse
+	(*core.OutboundHandlerConfig)(nil), // 18: xray.core.OutboundHandlerConfig
-	(*ListOutboundsRequest)(nil),         // 19: xray.app.proxyman.command.ListOutboundsRequest
-	(*ListOutboundsResponse)(nil),        // 20: xray.app.proxyman.command.ListOutboundsResponse
-	(*Config)(nil),                       // 21: xray.app.proxyman.command.Config
-	(*protocol.User)(nil),                // 22: xray.common.protocol.User
-	(*core.InboundHandlerConfig)(nil),    // 23: xray.core.InboundHandlerConfig
-	(*serial.TypedMessage)(nil),          // 24: xray.common.serial.TypedMessage
-	(*core.OutboundHandlerConfig)(nil),   // 25: xray.core.OutboundHandlerConfig
 }
 var file_app_proxyman_command_command_proto_depIdxs = []int32{
-	22, // 0: xray.app.proxyman.command.AddUserOperation.user:type_name -> xray.common.protocol.User
+	15, // 0: xray.app.proxyman.command.AddUserOperation.user:type_name -> xray.common.protocol.User
-	23, // 1: xray.app.proxyman.command.AddInboundRequest.inbound:type_name -> xray.core.InboundHandlerConfig
+	16, // 1: xray.app.proxyman.command.AddInboundRequest.inbound:type_name -> xray.core.InboundHandlerConfig
-	24, // 2: xray.app.proxyman.command.AlterInboundRequest.operation:type_name -> xray.common.serial.TypedMessage
+	17, // 2: xray.app.proxyman.command.AlterInboundRequest.operation:type_name -> xray.common.serial.TypedMessage
-	23, // 3: xray.app.proxyman.command.ListInboundsResponse.inbounds:type_name -> xray.core.InboundHandlerConfig
+	18, // 3: xray.app.proxyman.command.AddOutboundRequest.outbound:type_name -> xray.core.OutboundHandlerConfig
-	22, // 4: xray.app.proxyman.command.GetInboundUserResponse.users:type_name -> xray.common.protocol.User
+	17, // 4: xray.app.proxyman.command.AlterOutboundRequest.operation:type_name -> xray.common.serial.TypedMessage
-	25, // 5: xray.app.proxyman.command.AddOutboundRequest.outbound:type_name -> xray.core.OutboundHandlerConfig
+	2,  // 5: xray.app.proxyman.command.HandlerService.AddInbound:input_type -> xray.app.proxyman.command.AddInboundRequest
-	24, // 6: xray.app.proxyman.command.AlterOutboundRequest.operation:type_name -> xray.common.serial.TypedMessage
+	4,  // 6: xray.app.proxyman.command.HandlerService.RemoveInbound:input_type -> xray.app.proxyman.command.RemoveInboundRequest
-	25, // 7: xray.app.proxyman.command.ListOutboundsResponse.outbounds:type_name -> xray.core.OutboundHandlerConfig
+	6,  // 7: xray.app.proxyman.command.HandlerService.AlterInbound:input_type -> xray.app.proxyman.command.AlterInboundRequest
-	2,  // 8: xray.app.proxyman.command.HandlerService.AddInbound:input_type -> xray.app.proxyman.command.AddInboundRequest
+	8,  // 8: xray.app.proxyman.command.HandlerService.AddOutbound:input_type -> xray.app.proxyman.command.AddOutboundRequest
-	4,  // 9: xray.app.proxyman.command.HandlerService.RemoveInbound:input_type -> xray.app.proxyman.command.RemoveInboundRequest
+	10, // 9: xray.app.proxyman.command.HandlerService.RemoveOutbound:input_type -> xray.app.proxyman.command.RemoveOutboundRequest
-	6,  // 10: xray.app.proxyman.command.HandlerService.AlterInbound:input_type -> xray.app.proxyman.command.AlterInboundRequest
+	12, // 10: xray.app.proxyman.command.HandlerService.AlterOutbound:input_type -> xray.app.proxyman.command.AlterOutboundRequest
-	8,  // 11: xray.app.proxyman.command.HandlerService.ListInbounds:input_type -> xray.app.proxyman.command.ListInboundsRequest
+	3,  // 11: xray.app.proxyman.command.HandlerService.AddInbound:output_type -> xray.app.proxyman.command.AddInboundResponse
-	10, // 12: xray.app.proxyman.command.HandlerService.GetInboundUsers:input_type -> xray.app.proxyman.command.GetInboundUserRequest
+	5,  // 12: xray.app.proxyman.command.HandlerService.RemoveInbound:output_type -> xray.app.proxyman.command.RemoveInboundResponse
-	10, // 13: xray.app.proxyman.command.HandlerService.GetInboundUsersCount:input_type -> xray.app.proxyman.command.GetInboundUserRequest
+	7,  // 13: xray.app.proxyman.command.HandlerService.AlterInbound:output_type -> xray.app.proxyman.command.AlterInboundResponse
-	13, // 14: xray.app.proxyman.command.HandlerService.AddOutbound:input_type -> xray.app.proxyman.command.AddOutboundRequest
+	9,  // 14: xray.app.proxyman.command.HandlerService.AddOutbound:output_type -> xray.app.proxyman.command.AddOutboundResponse
-	15, // 15: xray.app.proxyman.command.HandlerService.RemoveOutbound:input_type -> xray.app.proxyman.command.RemoveOutboundRequest
+	11, // 15: xray.app.proxyman.command.HandlerService.RemoveOutbound:output_type -> xray.app.proxyman.command.RemoveOutboundResponse
-	17, // 16: xray.app.proxyman.command.HandlerService.AlterOutbound:input_type -> xray.app.proxyman.command.AlterOutboundRequest
+	13, // 16: xray.app.proxyman.command.HandlerService.AlterOutbound:output_type -> xray.app.proxyman.command.AlterOutboundResponse
-	19, // 17: xray.app.proxyman.command.HandlerService.ListOutbounds:input_type -> xray.app.proxyman.command.ListOutboundsRequest
+	11, // [11:17] is the sub-list for method output_type
-	3,  // 18: xray.app.proxyman.command.HandlerService.AddInbound:output_type -> xray.app.proxyman.command.AddInboundResponse
+	5,  // [5:11] is the sub-list for method input_type
-	5,  // 19: xray.app.proxyman.command.HandlerService.RemoveInbound:output_type -> xray.app.proxyman.command.RemoveInboundResponse
+	5,  // [5:5] is the sub-list for extension type_name
-	7,  // 20: xray.app.proxyman.command.HandlerService.AlterInbound:output_type -> xray.app.proxyman.command.AlterInboundResponse
+	5,  // [5:5] is the sub-list for extension extendee
-	9,  // 21: xray.app.proxyman.command.HandlerService.ListInbounds:output_type -> xray.app.proxyman.command.ListInboundsResponse
+	0,  // [0:5] is the sub-list for field type_name
-	11, // 22: xray.app.proxyman.command.HandlerService.GetInboundUsers:output_type -> xray.app.proxyman.command.GetInboundUserResponse
-	12, // 23: xray.app.proxyman.command.HandlerService.GetInboundUsersCount:output_type -> xray.app.proxyman.command.GetInboundUsersCountResponse
-	14, // 24: xray.app.proxyman.command.HandlerService.AddOutbound:output_type -> xray.app.proxyman.command.AddOutboundResponse
-	16, // 25: xray.app.proxyman.command.HandlerService.RemoveOutbound:output_type -> xray.app.proxyman.command.RemoveOutboundResponse
-	18, // 26: xray.app.proxyman.command.HandlerService.AlterOutbound:output_type -> xray.app.proxyman.command.AlterOutboundResponse
-	20, // 27: xray.app.proxyman.command.HandlerService.ListOutbounds:output_type -> xray.app.proxyman.command.ListOutboundsResponse
-	18, // [18:28] is the sub-list for method output_type
-	8,  // [8:18] is the sub-list for method input_type
-	8,  // [8:8] is the sub-list for extension type_name
-	8,  // [8:8] is the sub-list for extension extendee
-	0,  // [0:8] is the sub-list for field type_name
 }
 
 func init() { file_app_proxyman_command_command_proto_init() }
@@ -1224,7 +833,7 @@ func file_app_proxyman_command_command_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_app_proxyman_command_command_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   22,
+			NumMessages:   15,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

app/proxyman/command/command.proto

@@ -37,27 +37,6 @@ message AlterInboundRequest {
 
 message AlterInboundResponse {}
 
-message ListInboundsRequest {
-  bool isOnlyTags = 1;
-}
-
-message ListInboundsResponse {
-  repeated core.InboundHandlerConfig inbounds = 1;
-}
-
-message GetInboundUserRequest {
-  string tag = 1;
-  string email = 2;
-}
-
-message GetInboundUserResponse {
-  repeated xray.common.protocol.User users = 1;
-}
-
-message GetInboundUsersCountResponse {
-  int64 count = 1;
-}
-
 message AddOutboundRequest {
   core.OutboundHandlerConfig outbound = 1;
 }
@@ -77,12 +56,6 @@ message AlterOutboundRequest {
 
 message AlterOutboundResponse {}
 
-message ListOutboundsRequest {}
-
-message ListOutboundsResponse {
-  repeated core.OutboundHandlerConfig outbounds = 1;
-}
-
 service HandlerService {
   rpc AddInbound(AddInboundRequest) returns (AddInboundResponse) {}
 
@@ -90,19 +63,11 @@ service HandlerService {
 
   rpc AlterInbound(AlterInboundRequest) returns (AlterInboundResponse) {}
 
-  rpc ListInbounds(ListInboundsRequest) returns (ListInboundsResponse) {}
-
-  rpc GetInboundUsers(GetInboundUserRequest) returns (GetInboundUserResponse) {}
-
-  rpc GetInboundUsersCount(GetInboundUserRequest) returns (GetInboundUsersCountResponse) {}
-
   rpc AddOutbound(AddOutboundRequest) returns (AddOutboundResponse) {}
 
   rpc RemoveOutbound(RemoveOutboundRequest) returns (RemoveOutboundResponse) {}
 
   rpc AlterOutbound(AlterOutboundRequest) returns (AlterOutboundResponse) {}
-
-  rpc ListOutbounds(ListOutboundsRequest) returns (ListOutboundsResponse) {}
 }
 
 message Config {}

app/proxyman/command/command_grpc.pb.go

@@ -22,13 +22,9 @@ const (
 	HandlerService_AddInbound_FullMethodName     = "/xray.app.proxyman.command.HandlerService/AddInbound"
 	HandlerService_RemoveInbound_FullMethodName  = "/xray.app.proxyman.command.HandlerService/RemoveInbound"
 	HandlerService_AlterInbound_FullMethodName   = "/xray.app.proxyman.command.HandlerService/AlterInbound"
-	HandlerService_ListInbounds_FullMethodName         = "/xray.app.proxyman.command.HandlerService/ListInbounds"
-	HandlerService_GetInboundUsers_FullMethodName      = "/xray.app.proxyman.command.HandlerService/GetInboundUsers"
-	HandlerService_GetInboundUsersCount_FullMethodName = "/xray.app.proxyman.command.HandlerService/GetInboundUsersCount"
 	HandlerService_AddOutbound_FullMethodName    = "/xray.app.proxyman.command.HandlerService/AddOutbound"
 	HandlerService_RemoveOutbound_FullMethodName = "/xray.app.proxyman.command.HandlerService/RemoveOutbound"
 	HandlerService_AlterOutbound_FullMethodName  = "/xray.app.proxyman.command.HandlerService/AlterOutbound"
-	HandlerService_ListOutbounds_FullMethodName        = "/xray.app.proxyman.command.HandlerService/ListOutbounds"
 )
 
 // HandlerServiceClient is the client API for HandlerService service.
@@ -38,13 +34,9 @@ type HandlerServiceClient interface {
 	AddInbound(ctx context.Context, in *AddInboundRequest, opts ...grpc.CallOption) (*AddInboundResponse, error)
 	RemoveInbound(ctx context.Context, in *RemoveInboundRequest, opts ...grpc.CallOption) (*RemoveInboundResponse, error)
 	AlterInbound(ctx context.Context, in *AlterInboundRequest, opts ...grpc.CallOption) (*AlterInboundResponse, error)
-	ListInbounds(ctx context.Context, in *ListInboundsRequest, opts ...grpc.CallOption) (*ListInboundsResponse, error)
-	GetInboundUsers(ctx context.Context, in *GetInboundUserRequest, opts ...grpc.CallOption) (*GetInboundUserResponse, error)
-	GetInboundUsersCount(ctx context.Context, in *GetInboundUserRequest, opts ...grpc.CallOption) (*GetInboundUsersCountResponse, error)
 	AddOutbound(ctx context.Context, in *AddOutboundRequest, opts ...grpc.CallOption) (*AddOutboundResponse, error)
 	RemoveOutbound(ctx context.Context, in *RemoveOutboundRequest, opts ...grpc.CallOption) (*RemoveOutboundResponse, error)
 	AlterOutbound(ctx context.Context, in *AlterOutboundRequest, opts ...grpc.CallOption) (*AlterOutboundResponse, error)
-	ListOutbounds(ctx context.Context, in *ListOutboundsRequest, opts ...grpc.CallOption) (*ListOutboundsResponse, error)
 }
 
 type handlerServiceClient struct {
@@ -85,36 +77,6 @@ func (c *handlerServiceClient) AlterInbound(ctx context.Context, in *AlterInboun
 	return out, nil
 }
 
-func (c *handlerServiceClient) ListInbounds(ctx context.Context, in *ListInboundsRequest, opts ...grpc.CallOption) (*ListInboundsResponse, error) {
-	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	out := new(ListInboundsResponse)
-	err := c.cc.Invoke(ctx, HandlerService_ListInbounds_FullMethodName, in, out, cOpts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *handlerServiceClient) GetInboundUsers(ctx context.Context, in *GetInboundUserRequest, opts ...grpc.CallOption) (*GetInboundUserResponse, error) {
-	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	out := new(GetInboundUserResponse)
-	err := c.cc.Invoke(ctx, HandlerService_GetInboundUsers_FullMethodName, in, out, cOpts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *handlerServiceClient) GetInboundUsersCount(ctx context.Context, in *GetInboundUserRequest, opts ...grpc.CallOption) (*GetInboundUsersCountResponse, error) {
-	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	out := new(GetInboundUsersCountResponse)
-	err := c.cc.Invoke(ctx, HandlerService_GetInboundUsersCount_FullMethodName, in, out, cOpts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
 func (c *handlerServiceClient) AddOutbound(ctx context.Context, in *AddOutboundRequest, opts ...grpc.CallOption) (*AddOutboundResponse, error) {
 	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
 	out := new(AddOutboundResponse)
@@ -145,16 +107,6 @@ func (c *handlerServiceClient) AlterOutbound(ctx context.Context, in *AlterOutbo
 	return out, nil
 }
 
-func (c *handlerServiceClient) ListOutbounds(ctx context.Context, in *ListOutboundsRequest, opts ...grpc.CallOption) (*ListOutboundsResponse, error) {
-	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	out := new(ListOutboundsResponse)
-	err := c.cc.Invoke(ctx, HandlerService_ListOutbounds_FullMethodName, in, out, cOpts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
 // HandlerServiceServer is the server API for HandlerService service.
 // All implementations must embed UnimplementedHandlerServiceServer
 // for forward compatibility.
@@ -162,13 +114,9 @@ type HandlerServiceServer interface {
 	AddInbound(context.Context, *AddInboundRequest) (*AddInboundResponse, error)
 	RemoveInbound(context.Context, *RemoveInboundRequest) (*RemoveInboundResponse, error)
 	AlterInbound(context.Context, *AlterInboundRequest) (*AlterInboundResponse, error)
-	ListInbounds(context.Context, *ListInboundsRequest) (*ListInboundsResponse, error)
-	GetInboundUsers(context.Context, *GetInboundUserRequest) (*GetInboundUserResponse, error)
-	GetInboundUsersCount(context.Context, *GetInboundUserRequest) (*GetInboundUsersCountResponse, error)
 	AddOutbound(context.Context, *AddOutboundRequest) (*AddOutboundResponse, error)
 	RemoveOutbound(context.Context, *RemoveOutboundRequest) (*RemoveOutboundResponse, error)
 	AlterOutbound(context.Context, *AlterOutboundRequest) (*AlterOutboundResponse, error)
-	ListOutbounds(context.Context, *ListOutboundsRequest) (*ListOutboundsResponse, error)
 	mustEmbedUnimplementedHandlerServiceServer()
 }
 
@@ -188,15 +136,6 @@ func (UnimplementedHandlerServiceServer) RemoveInbound(context.Context, *RemoveI
 func (UnimplementedHandlerServiceServer) AlterInbound(context.Context, *AlterInboundRequest) (*AlterInboundResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method AlterInbound not implemented")
 }
-func (UnimplementedHandlerServiceServer) ListInbounds(context.Context, *ListInboundsRequest) (*ListInboundsResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ListInbounds not implemented")
-}
-func (UnimplementedHandlerServiceServer) GetInboundUsers(context.Context, *GetInboundUserRequest) (*GetInboundUserResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method GetInboundUsers not implemented")
-}
-func (UnimplementedHandlerServiceServer) GetInboundUsersCount(context.Context, *GetInboundUserRequest) (*GetInboundUsersCountResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method GetInboundUsersCount not implemented")
-}
 func (UnimplementedHandlerServiceServer) AddOutbound(context.Context, *AddOutboundRequest) (*AddOutboundResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method AddOutbound not implemented")
 }
@@ -206,9 +145,6 @@ func (UnimplementedHandlerServiceServer) RemoveOutbound(context.Context, *Remove
 func (UnimplementedHandlerServiceServer) AlterOutbound(context.Context, *AlterOutboundRequest) (*AlterOutboundResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method AlterOutbound not implemented")
 }
-func (UnimplementedHandlerServiceServer) ListOutbounds(context.Context, *ListOutboundsRequest) (*ListOutboundsResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ListOutbounds not implemented")
-}
 func (UnimplementedHandlerServiceServer) mustEmbedUnimplementedHandlerServiceServer() {}
 func (UnimplementedHandlerServiceServer) testEmbeddedByValue()                        {}
 
@@ -284,60 +220,6 @@ func _HandlerService_AlterInbound_Handler(srv interface{}, ctx context.Context,
 	return interceptor(ctx, in, info, handler)
 }
 
-func _HandlerService_ListInbounds_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(ListInboundsRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(HandlerServiceServer).ListInbounds(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: HandlerService_ListInbounds_FullMethodName,
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(HandlerServiceServer).ListInbounds(ctx, req.(*ListInboundsRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _HandlerService_GetInboundUsers_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(GetInboundUserRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(HandlerServiceServer).GetInboundUsers(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: HandlerService_GetInboundUsers_FullMethodName,
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(HandlerServiceServer).GetInboundUsers(ctx, req.(*GetInboundUserRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _HandlerService_GetInboundUsersCount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(GetInboundUserRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(HandlerServiceServer).GetInboundUsersCount(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: HandlerService_GetInboundUsersCount_FullMethodName,
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(HandlerServiceServer).GetInboundUsersCount(ctx, req.(*GetInboundUserRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 func _HandlerService_AddOutbound_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(AddOutboundRequest)
 	if err := dec(in); err != nil {
@@ -392,24 +274,6 @@ func _HandlerService_AlterOutbound_Handler(srv interface{}, ctx context.Context,
 	return interceptor(ctx, in, info, handler)
 }
 
-func _HandlerService_ListOutbounds_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(ListOutboundsRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(HandlerServiceServer).ListOutbounds(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: HandlerService_ListOutbounds_FullMethodName,
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(HandlerServiceServer).ListOutbounds(ctx, req.(*ListOutboundsRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 // HandlerService_ServiceDesc is the grpc.ServiceDesc for HandlerService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -429,18 +293,6 @@ var HandlerService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "AlterInbound",
 			Handler:    _HandlerService_AlterInbound_Handler,
 		},
-		{
-			MethodName: "ListInbounds",
-			Handler:    _HandlerService_ListInbounds_Handler,
-		},
-		{
-			MethodName: "GetInboundUsers",
-			Handler:    _HandlerService_GetInboundUsers_Handler,
-		},
-		{
-			MethodName: "GetInboundUsersCount",
-			Handler:    _HandlerService_GetInboundUsersCount_Handler,
-		},
 		{
 			MethodName: "AddOutbound",
 			Handler:    _HandlerService_AddOutbound_Handler,
@@ -453,10 +305,6 @@ var HandlerService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "AlterOutbound",
 			Handler:    _HandlerService_AlterOutbound_Handler,
 		},
-		{
-			MethodName: "ListOutbounds",
-			Handler:    _HandlerService_ListOutbounds_Handler,
-		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "app/proxyman/command/command.proto",

app/proxyman/inbound/always.go

@@ -9,13 +9,11 @@ import (
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/mux"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/policy"
 	"github.com/xtls/xray-core/features/stats"
 	"github.com/xtls/xray-core/proxy"
 	"github.com/xtls/xray-core/transport/internet"
-	"google.golang.org/protobuf/proto"
 )
 
 func getStatCounter(v *core.Instance, tag string) (stats.Counter, stats.Counter) {
@@ -44,8 +42,6 @@ func getStatCounter(v *core.Instance, tag string) (stats.Counter, stats.Counter)
 }
 
 type AlwaysOnInboundHandler struct {
-	proxyConfig    interface{}
-	receiverConfig *proxyman.ReceiverConfig
 	proxy   proxy.Inbound
 	workers []worker
 	mux     *mux.Server
@@ -63,8 +59,6 @@ func NewAlwaysOnInboundHandler(ctx context.Context, tag string, receiverConfig *
 	}
 
 	h := &AlwaysOnInboundHandler{
-		receiverConfig: receiverConfig,
-		proxyConfig:    proxyConfig,
 		proxy: p,
 		mux:   mux.NewServer(ctx),
 		tag:   tag,
@@ -193,16 +187,3 @@ func (h *AlwaysOnInboundHandler) Tag() string {
 func (h *AlwaysOnInboundHandler) GetInbound() proxy.Inbound {
 	return h.proxy
 }
-
-// ReceiverSettings implements inbound.Handler.
-func (h *AlwaysOnInboundHandler) ReceiverSettings() *serial.TypedMessage {
-	return serial.ToTypedMessage(h.receiverConfig)
-}
-
-// ProxySettings implements inbound.Handler.
-func (h *AlwaysOnInboundHandler) ProxySettings() *serial.TypedMessage {
-	if v, ok := h.proxyConfig.(proto.Message); ok {
-		return serial.ToTypedMessage(v)
-	}
-	return nil
-}

app/proxyman/inbound/dynamic.go

@@ -10,12 +10,10 @@ import (
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/mux"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/common/task"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/proxy"
 	"github.com/xtls/xray-core/transport/internet"
-	"google.golang.org/protobuf/proto"
 )
 
 type DynamicInboundHandler struct {
@@ -25,7 +23,7 @@ type DynamicInboundHandler struct {
 	receiverConfig *proxyman.ReceiverConfig
 	streamSettings *internet.MemoryStreamConfig
 	portMutex      sync.Mutex
-	portsInUse     map[net.Port]struct{}
+	portsInUse     map[net.Port]bool
 	workerMutex    sync.RWMutex
 	worker         []worker
 	lastRefresh    time.Time
@@ -41,7 +39,7 @@ func NewDynamicInboundHandler(ctx context.Context, tag string, receiverConfig *p
 		tag:            tag,
 		proxyConfig:    proxyConfig,
 		receiverConfig: receiverConfig,
-		portsInUse:     make(map[net.Port]struct{}),
+		portsInUse:     make(map[net.Port]bool),
 		mux:            mux.NewServer(ctx),
 		v:              v,
 		ctx:            ctx,
@@ -86,7 +84,7 @@ func (h *DynamicInboundHandler) allocatePort() net.Port {
 		port := net.Port(allPorts[r])
 		_, used := h.portsInUse[port]
 		if !used {
-			h.portsInUse[port] = struct{}{}
+			h.portsInUse[port] = true
 			return port
 		}
 	}
@@ -207,16 +205,3 @@ func (h *DynamicInboundHandler) GetRandomInboundProxy() (interface{}, net.Port,
 func (h *DynamicInboundHandler) Tag() string {
 	return h.tag
 }
-
-// ReceiverSettings implements inbound.Handler.
-func (h *DynamicInboundHandler) ReceiverSettings() *serial.TypedMessage {
-	return serial.ToTypedMessage(h.receiverConfig)
-}
-
-// ProxySettings implements inbound.Handler.
-func (h *DynamicInboundHandler) ProxySettings() *serial.TypedMessage {
-	if v, ok := h.proxyConfig.(proto.Message); ok {
-		return serial.ToTypedMessage(v)
-	}
-	return nil
-}

app/proxyman/inbound/inbound.go

@@ -7,14 +7,13 @@ import (
 	"github.com/xtls/xray-core/app/proxyman"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
-	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/inbound"
 )
 
-// Manager manages all inbound handlers.
+// Manager is to manage all inbound handlers.
 type Manager struct {
 	access          sync.RWMutex
 	untaggedHandler []inbound.Handler
@@ -89,21 +88,6 @@ func (m *Manager) RemoveHandler(ctx context.Context, tag string) error {
 	return common.ErrNoClue
 }
 
-// ListHandlers implements inbound.Manager.
-func (m *Manager) ListHandlers(ctx context.Context) []inbound.Handler {
-	m.access.RLock()
-	defer m.access.RUnlock()
-
-	var response []inbound.Handler
-	copy(m.untaggedHandler, response)
-
-	for _, v := range m.taggedHandlers {
-		response = append(response, v)
-	}
-
-	return response
-}
-
 // Start implements common.Runnable.
 func (m *Manager) Start() error {
 	m.access.Lock()
@@ -174,9 +158,6 @@ func NewHandler(ctx context.Context, config *core.InboundHandlerConfig) (inbound
 			Mark: streamSettings.SocketSettings.Mark,
 		})
 	}
-	if streamSettings != nil && streamSettings.ProtocolName == "splithttp" {
-		ctx = session.ContextWithAllowedNetwork(ctx, net.Network_UDP)
-	}
 
 	allocStrategy := receiverSettings.AllocationStrategy
 	if allocStrategy == nil || allocStrategy.Type == proxyman.AllocationStrategy_Always {

app/proxyman/inbound/worker.go

@@ -161,7 +161,6 @@ type udpConn struct {
 	uplink           stats.Counter
 	downlink         stats.Counter
 	inactive         bool
-	cancel           context.CancelFunc
 }
 
 func (c *udpConn) setInactive() {
@@ -204,9 +203,6 @@ func (c *udpConn) Write(buf []byte) (int, error) {
 }
 
 func (c *udpConn) Close() error {
-	if c.cancel != nil {
-		c.cancel()
-	}
 	common.Must(c.done.Close())
 	common.Must(common.Close(c.writer))
 	return nil
@@ -263,7 +259,6 @@ func (w *udpWorker) getConnection(id connID) (*udpConn, bool) {
 	defer w.Unlock()
 
 	if conn, found := w.activeConn[id]; found && !conn.done.Done() {
-		conn.updateActivity()
 		return conn, true
 	}
 
@@ -311,8 +306,7 @@ func (w *udpWorker) callback(b *buf.Buffer, source net.Destination, originalDest
 		common.Must(w.checker.Start())
 
 		go func() {
-			ctx, cancel := context.WithCancel(w.ctx)
+			ctx := w.ctx
-			conn.cancel = cancel
 			sid := session.NewID()
 			ctx = c.ContextWithID(ctx, sid)
 
@@ -330,7 +324,6 @@ func (w *udpWorker) callback(b *buf.Buffer, source net.Destination, originalDest
 			if w.sniffingConfig != nil {
 				content.SniffingRequest.Enabled = w.sniffingConfig.Enabled
 				content.SniffingRequest.OverrideDestinationForProtocol = w.sniffingConfig.DestinationOverride
-				content.SniffingRequest.ExcludeForDomain = w.sniffingConfig.DomainsExcluded
 				content.SniffingRequest.MetadataOnly = w.sniffingConfig.MetadataOnly
 				content.SniffingRequest.RouteOnly = w.sniffingConfig.RouteOnly
 			}

app/proxyman/outbound/handler.go

@@ -11,12 +11,11 @@ import (
 
 	"github.com/xtls/xray-core/app/proxyman"
 	"github.com/xtls/xray-core/common"
-	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/errors"
+	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/mux"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/net/cnc"
-	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/outbound"
@@ -28,7 +27,6 @@ import (
 	"github.com/xtls/xray-core/transport/internet/stat"
 	"github.com/xtls/xray-core/transport/internet/tls"
 	"github.com/xtls/xray-core/transport/pipe"
-	"google.golang.org/protobuf/proto"
 )
 
 func getStatCounter(v *core.Instance, tag string) (stats.Counter, stats.Counter) {
@@ -56,12 +54,11 @@ func getStatCounter(v *core.Instance, tag string) (stats.Counter, stats.Counter)
 	return uplinkCounter, downlinkCounter
 }
 
-// Handler implements outbound.Handler.
+// Handler is an implements of outbound.Handler.
 type Handler struct {
 	tag             string
 	senderSettings  *proxyman.SenderConfig
 	streamSettings  *internet.MemoryStreamConfig
-	proxyConfig     proto.Message
 	proxy           proxy.Outbound
 	outboundManager outbound.Manager
 	mux             *mux.ClientManager
@@ -104,7 +101,6 @@ func NewHandler(ctx context.Context, config *core.OutboundHandlerConfig) (outbou
 	if err != nil {
 		return nil, err
 	}
-	h.proxyConfig = proxyConfig
 
 	rawProxyHandler, err := common.CreateObject(ctx, proxyConfig)
 	if err != nil {
@@ -245,9 +241,7 @@ func (h *Handler) DestIpAddress() net.IP {
 // Dial implements internet.Dialer.
 func (h *Handler) Dial(ctx context.Context, dest net.Destination) (stat.Connection, error) {
 	if h.senderSettings != nil {
-
 		if h.senderSettings.ProxySettings.HasTag() {
-
 			tag := h.senderSettings.ProxySettings.Tag
 			handler := h.outboundManager.GetHandler(tag)
 			if handler != nil {
@@ -276,46 +270,15 @@ func (h *Handler) Dial(ctx context.Context, dest net.Destination) (stat.Connecti
 		}
 
 		if h.senderSettings.Via != nil {
-
 			outbounds := session.OutboundsFromContext(ctx)
 			ob := outbounds[len(outbounds)-1]
-			var domain string
+			if h.senderSettings.ViaCidr == "" {
-			addr := h.senderSettings.Via.AsAddress()
+				ob.Gateway = h.senderSettings.Via.AsAddress()
-			domain = h.senderSettings.Via.GetDomain()
+			} else { //Get a random address.
-			switch {
+				ob.Gateway = ParseRandomIPv6(h.senderSettings.Via.AsAddress(), h.senderSettings.ViaCidr)
-			case h.senderSettings.ViaCidr != "":
-				ob.Gateway = ParseRandomIP(addr, h.senderSettings.ViaCidr)
-
-			case domain == "origin":
-
-				if inbound := session.InboundFromContext(ctx); inbound != nil {
-					if inbound.Conn != nil {
-						origin, _, err := net.SplitHostPort(inbound.Conn.LocalAddr().String())
-						if err == nil {
-							ob.Gateway = net.ParseAddress(origin)
-							errors.LogDebug(ctx, "use receive package ip as snedthrough: ", origin)
 			}
 		}
 	}
-			case domain == "srcip":
-				if inbound := session.InboundFromContext(ctx); inbound != nil {
-					if inbound.Conn != nil {
-						clientaddr, _, err := net.SplitHostPort(inbound.Conn.RemoteAddr().String())
-						if err == nil {
-							ob.Gateway = net.ParseAddress(clientaddr)
-							errors.LogDebug(ctx, "use client src ip as snedthrough: ", clientaddr)
-						}
-					}
-
-				}
-			//case addr.Family().IsDomain():
-			default:
-				ob.Gateway = addr
-
-			}
-
-		}
-	}
 
 	if conn, err := h.getUoTConnection(ctx, dest); err != os.ErrInvalid {
 		return conn, err
@@ -353,35 +316,23 @@ func (h *Handler) Start() error {
 // Close implements common.Closable.
 func (h *Handler) Close() error {
 	common.Close(h.mux)
-	common.Close(h.proxy)
 	return nil
 }
 
-// SenderSettings implements outbound.Handler.
+func ParseRandomIPv6(address net.Address, prefix string) net.Address {
-func (h *Handler) SenderSettings() *serial.TypedMessage {
+	_, network, _ := gonet.ParseCIDR(address.IP().String() + "/" + prefix)
-	return serial.ToTypedMessage(h.senderSettings)
+
-}
+	maskSize, totalBits := network.Mask.Size()
-
+	subnetSize := big.NewInt(1).Lsh(big.NewInt(1), uint(totalBits-maskSize))
-// ProxySettings implements outbound.Handler.
+
-func (h *Handler) ProxySettings() *serial.TypedMessage {
+	// random
-	return serial.ToTypedMessage(h.proxyConfig)
+	randomBigInt, _ := rand.Int(rand.Reader, subnetSize)
-}
+
-
+	startIPBigInt := big.NewInt(0).SetBytes(network.IP.To16())
-func ParseRandomIP(addr net.Address, prefix string) net.Address {
+	randomIPBigInt := big.NewInt(0).Add(startIPBigInt, randomBigInt)
-
+
-	_, ipnet, _ := gonet.ParseCIDR(addr.IP().String() + "/" + prefix)
+	randomIPBytes := randomIPBigInt.Bytes()
-
+	randomIPBytes = append(make([]byte, 16-len(randomIPBytes)), randomIPBytes...)
-	ones, bits := ipnet.Mask.Size()
+
-	subnetSize := new(big.Int).Lsh(big.NewInt(1), uint(bits-ones))
+	return net.ParseAddress(gonet.IP(randomIPBytes).String())
-
-	rnd, _ := rand.Int(rand.Reader, subnetSize)
-
-	startInt := new(big.Int).SetBytes(ipnet.IP)
-	rndInt := new(big.Int).Add(startInt, rnd)
-
-	rndBytes := rndInt.Bytes()
-	padded := make([]byte, len(ipnet.IP))
-	copy(padded[len(padded)-len(rndBytes):], rndBytes)
-
-	return net.ParseAddress(gonet.IP(padded).String())
 }

app/proxyman/outbound/outbound.go

@@ -145,21 +145,6 @@ func (m *Manager) RemoveHandler(ctx context.Context, tag string) error {
 	return nil
 }
 
-// ListHandlers implements outbound.Manager.
-func (m *Manager) ListHandlers(ctx context.Context) []outbound.Handler {
-	m.access.RLock()
-	defer m.access.RUnlock()
-
-	var response []outbound.Handler
-	copy(m.untaggedHandlers, response)
-
-	for _, v := range m.taggedHandler {
-		response = append(response, v)
-	}
-
-	return response
-}
-
 // Select implements outbound.HandlerSelector.
 func (m *Manager) Select(selectors []string) []string {
 

app/reverse/config.go

@@ -9,7 +9,6 @@ import (
 
 func (c *Control) FillInRandom() {
 	randomLength := dice.Roll(64)
-	randomLength++
 	c.Random = make([]byte, randomLength)
 	io.ReadFull(rand.Reader, c.Random)
 }

app/reverse/portal.go

@@ -10,7 +10,6 @@ import (
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/mux"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/common/task"
 	"github.com/xtls/xray-core/features/outbound"
@@ -112,16 +111,6 @@ func (o *Outbound) Close() error {
 	return nil
 }
 
-// SenderSettings implements outbound.Handler.
-func (o *Outbound) SenderSettings() *serial.TypedMessage {
-	return nil
-}
-
-// ProxySettings implements outbound.Handler.
-func (o *Outbound) ProxySettings() *serial.TypedMessage {
-	return nil
-}
-
 type StaticMuxPicker struct {
 	access  sync.Mutex
 	workers []*PortalWorker
@@ -170,7 +159,7 @@ func (p *StaticMuxPicker) PickAvailable() (*mux.ClientWorker, error) {
 		if w.draining {
 			continue
 		}
-		if w.IsFull() {
+		if w.client.Closed() {
 			continue
 		}
 		if w.client.ActiveConnections() < minConn {
@@ -211,7 +200,6 @@ type PortalWorker struct {
 	writer   buf.Writer
 	reader   buf.Reader
 	draining bool
-	counter  uint32
 }
 
 func NewPortalWorker(client *mux.ClientWorker) (*PortalWorker, error) {
@@ -245,7 +233,7 @@ func NewPortalWorker(client *mux.ClientWorker) (*PortalWorker, error) {
 }
 
 func (w *PortalWorker) heartbeat() error {
-	if w.Closed() {
+	if w.client.Closed() {
 		return errors.New("client worker stopped")
 	}
 
@@ -261,21 +249,16 @@ func (w *PortalWorker) heartbeat() error {
 		msg.State = Control_DRAIN
 
 		defer func() {
-			w.client.GetTimer().Reset(time.Second * 16)
 			common.Close(w.writer)
 			common.Interrupt(w.reader)
 			w.writer = nil
 		}()
 	}
 
-	w.counter = (w.counter + 1) % 5
-	if w.draining || w.counter == 1 {
 	b, err := proto.Marshal(msg)
 	common.Must(err)
 	mb := buf.MergeBytes(nil, b)
 	return w.writer.WriteMultiBuffer(mb)
-	}
-	return nil
 }
 
 func (w *PortalWorker) IsFull() bool {

app/router/balancing.go

@@ -31,12 +31,6 @@ type RoundRobinStrategy struct {
 
 func (s *RoundRobinStrategy) InjectContext(ctx context.Context) {
 	s.ctx = ctx
-	if len(s.FallbackTag) > 0 {
-		common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
-			s.observatory = observatory
-			return nil
-		}))
-	}
 }
 
 func (s *RoundRobinStrategy) GetPrincipleTarget(strings []string) []string {
@@ -44,6 +38,12 @@ func (s *RoundRobinStrategy) GetPrincipleTarget(strings []string) []string {
 }
 
 func (s *RoundRobinStrategy) PickOutbound(tags []string) string {
+	if len(s.FallbackTag) > 0 && s.observatory == nil {
+		common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
+			s.observatory = observatory
+			return nil
+		}))
+	}
 	if s.observatory != nil {
 		observeReport, err := s.observatory.GetObservation(s.ctx)
 		if err == nil {

app/router/command/command.go

@@ -135,7 +135,7 @@ func (s *service) Register(server *grpc.Server) {
 		vCoreDesc := RoutingService_ServiceDesc
 		vCoreDesc.ServiceName = "v2ray.core.app.router.command.RoutingService"
 		server.RegisterService(&vCoreDesc, rs)
-	}, false))
+	}))
 }
 
 func init() {

app/router/condition.go

@@ -119,7 +119,7 @@ type MultiGeoIPMatcher struct {
 func NewMultiGeoIPMatcher(geoips []*GeoIP, onSource bool) (*MultiGeoIPMatcher, error) {
 	var matchers []*GeoIPMatcher
 	for _, geoip := range geoips {
-		matcher, err := GlobalGeoIPContainer.Add(geoip)
+		matcher, err := globalGeoIPContainer.Add(geoip)
 		if err != nil {
 			return nil, err
 		}

app/router/condition_geoip.go

@@ -115,30 +115,4 @@ func (c *GeoIPMatcherContainer) Add(geoip *GeoIP) (*GeoIPMatcher, error) {
 	return m, nil
 }
 
-var GlobalGeoIPContainer GeoIPMatcherContainer
+var globalGeoIPContainer GeoIPMatcherContainer
-
-func MatchIPs(matchers []*GeoIPMatcher, ips []net.IP, reverse bool) []net.IP {
-	if len(matchers) == 0 {
-		panic("GeoIP matchers should not be empty to avoid ambiguity")
-	}
-	newIPs := make([]net.IP, 0, len(ips))
-	var isFound bool
-	for _, ip := range ips {
-		isFound = false
-		for _, matcher := range matchers {
-			if matcher.Match(ip) {
-				isFound = true
-				break
-			}
-		}
-		if isFound && !reverse {
-			newIPs = append(newIPs, ip)
-			continue
-		}
-		if !isFound && reverse {
-			newIPs = append(newIPs, ip)
-			continue
-		}
-	}
-	return newIPs
-}

app/router/condition_geoip_test.go

@@ -1,7 +1,6 @@
 package router_test
 
 import (
-	"fmt"
 	"os"
 	"path/filepath"
 	"testing"
@@ -14,25 +13,16 @@ import (
 	"google.golang.org/protobuf/proto"
 )
 
-func getAssetPath(file string) (string, error) {
+func init() {
-	path := platform.GetAssetLocation(file)
+	wd, err := os.Getwd()
-	_, err := os.Stat(path)
+	common.Must(err)
-	if os.IsNotExist(err) {
-		path := filepath.Join("..", "..", "resources", file)
-		_, err := os.Stat(path)
-		if os.IsNotExist(err) {
-			return "", fmt.Errorf("can't find %s in standard asset locations or {project_root}/resources", file)
-		}
-		if err != nil {
-			return "", fmt.Errorf("can't stat %s: %v", path, err)
-		}
-		return path, nil
-	}
-	if err != nil {
-		return "", fmt.Errorf("can't stat %s: %v", path, err)
-	}
 
-	return path, nil
+	if _, err := os.Stat(platform.GetAssetLocation("geoip.dat")); err != nil && os.IsNotExist(err) {
+		common.Must(filesystem.CopyFile(platform.GetAssetLocation("geoip.dat"), filepath.Join(wd, "..", "..", "resources", "geoip.dat")))
+	}
+	if _, err := os.Stat(platform.GetAssetLocation("geosite.dat")); err != nil && os.IsNotExist(err) {
+		common.Must(filesystem.CopyFile(platform.GetAssetLocation("geosite.dat"), filepath.Join(wd, "..", "..", "resources", "geosite.dat")))
+	}
 }
 
 func TestGeoIPMatcherContainer(t *testing.T) {
@@ -227,15 +217,10 @@ func TestGeoIPMatcher6US(t *testing.T) {
 }
 
 func loadGeoIP(country string) ([]*router.CIDR, error) {
-	path, err := getAssetPath("geoip.dat")
+	geoipBytes, err := filesystem.ReadAsset("geoip.dat")
 	if err != nil {
 		return nil, err
 	}
-	geoipBytes, err := filesystem.ReadFile(path)
-	if err != nil {
-		return nil, err
-	}
-
 	var geoipList router.GeoIPList
 	if err := proto.Unmarshal(geoipBytes, &geoipList); err != nil {
 		return nil, err

app/router/condition_test.go

@@ -1,6 +1,8 @@
 package router_test
 
 import (
+	"os"
+	"path/filepath"
 	"strconv"
 	"testing"
 
@@ -8,6 +10,7 @@ import (
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/common/platform"
 	"github.com/xtls/xray-core/common/platform/filesystem"
 	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/common/protocol/http"
@@ -17,6 +20,18 @@ import (
 	"google.golang.org/protobuf/proto"
 )
 
+func init() {
+	wd, err := os.Getwd()
+	common.Must(err)
+
+	if _, err := os.Stat(platform.GetAssetLocation("geoip.dat")); err != nil && os.IsNotExist(err) {
+		common.Must(filesystem.CopyFile(platform.GetAssetLocation("geoip.dat"), filepath.Join(wd, "..", "..", "release", "config", "geoip.dat")))
+	}
+	if _, err := os.Stat(platform.GetAssetLocation("geosite.dat")); err != nil && os.IsNotExist(err) {
+		common.Must(filesystem.CopyFile(platform.GetAssetLocation("geosite.dat"), filepath.Join(wd, "..", "..", "release", "config", "geosite.dat")))
+	}
+}
+
 func withBackground() routing.Context {
 	return &routing_session.Context{}
 }
@@ -301,15 +316,10 @@ func TestRoutingRule(t *testing.T) {
 }
 
 func loadGeoSite(country string) ([]*Domain, error) {
-	path, err := getAssetPath("geosite.dat")
+	geositeBytes, err := filesystem.ReadAsset("geosite.dat")
 	if err != nil {
 		return nil, err
 	}
-	geositeBytes, err := filesystem.ReadFile(path)
-	if err != nil {
-		return nil, err
-	}
-
 	var geositeList GeoSiteList
 	if err := proto.Unmarshal(geositeBytes, &geositeList); err != nil {
 		return nil, err

app/router/router_test.go

@@ -177,7 +177,7 @@ func TestIPOnDemand(t *testing.T) {
 		IPv4Enable: true,
 		IPv6Enable: true,
 		FakeEnable: false,
-	}).Return([]net.IP{{192, 168, 0, 1}}, uint32(600), nil).AnyTimes()
+	}).Return([]net.IP{{192, 168, 0, 1}}, nil).AnyTimes()
 
 	r := new(Router)
 	common.Must(r.Init(context.TODO(), config, mockDNS, nil, nil))
@@ -222,7 +222,7 @@ func TestIPIfNonMatchDomain(t *testing.T) {
 		IPv4Enable: true,
 		IPv6Enable: true,
 		FakeEnable: false,
-	}).Return([]net.IP{{192, 168, 0, 1}}, uint32(600), nil).AnyTimes()
+	}).Return([]net.IP{{192, 168, 0, 1}}, nil).AnyTimes()
 
 	r := new(Router)
 	common.Must(r.Init(context.TODO(), config, mockDNS, nil, nil))

app/router/strategy_leastload.go

@@ -58,12 +58,8 @@ type node struct {
 	RTTDeviationCost time.Duration
 }
 
-func (s *LeastLoadStrategy) InjectContext(ctx context.Context) {
+func (l *LeastLoadStrategy) InjectContext(ctx context.Context) {
-	s.ctx = ctx
+	l.ctx = ctx
-	common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
-		s.observer = observatory
-		return nil
-	}))
 }
 
 func (s *LeastLoadStrategy) PickOutbound(candidates []string) string {
@@ -140,8 +136,10 @@ func (s *LeastLoadStrategy) selectLeastLoad(nodes []*node) []*node {
 
 func (s *LeastLoadStrategy) getNodes(candidates []string, maxRTT time.Duration) []*node {
 	if s.observer == nil {
-		errors.LogError(s.ctx, "observer is nil")
+		common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
-		return make([]*node, 0)
+			s.observer = observatory
+			return nil
+		}))
 	}
 	observeResult, err := s.observer.GetObservation(s.ctx)
 	if err != nil {

app/router/strategy_leastload_test.go

@@ -7,7 +7,7 @@ import (
 /*
 Split into multiple package, need to be tested separately
 
-	func TestSelectLeastLoad(t *testing.T) {
+func TestSelectLeastLoad(t *testing.T) {
 	settings := &StrategyLeastLoadConfig{
 		HealthCheck: &HealthPingConfig{
 			SamplingCount: 10,
@@ -36,9 +36,9 @@ Split into multiple package, need to be tested separately
 	if actual != expected {
 		t.Errorf("expected: %v, actual: %v", expected, actual)
 	}
-	}
+}
 
-	func TestSelectLeastLoadWithCost(t *testing.T) {
+func TestSelectLeastLoadWithCost(t *testing.T) {
 	settings := &StrategyLeastLoadConfig{
 		HealthCheck: &HealthPingConfig{
 			SamplingCount: 10,
@@ -64,7 +64,7 @@ Split into multiple package, need to be tested separately
 	if actual != expected {
 		t.Errorf("expected: %v, actual: %v", expected, actual)
 	}
-	}
+}
 */
 func TestSelectLeastExpected(t *testing.T) {
 	strategy := &LeastLoadStrategy{

app/router/strategy_leastping.go

@@ -21,20 +21,19 @@ func (l *LeastPingStrategy) GetPrincipleTarget(strings []string) []string {
 
 func (l *LeastPingStrategy) InjectContext(ctx context.Context) {
 	l.ctx = ctx
-	common.Must(core.RequireFeatures(l.ctx, func(observatory extension.Observatory) error {
-		l.observatory = observatory
-		return nil
-	}))
 }
 
 func (l *LeastPingStrategy) PickOutbound(strings []string) string {
 	if l.observatory == nil {
-		errors.LogError(l.ctx, "observer is nil")
+		common.Must(core.RequireFeatures(l.ctx, func(observatory extension.Observatory) error {
-		return ""
+			l.observatory = observatory
+			return nil
+		}))
 	}
+
 	observeReport, err := l.observatory.GetObservation(l.ctx)
 	if err != nil {
-		errors.LogInfoInner(l.ctx, err, "cannot get observer report")
+		errors.LogInfoInner(l.ctx, err, "cannot get observe report")
 		return ""
 	}
 	outboundsList := outboundList(strings)

app/router/strategy_random.go

@@ -11,7 +11,7 @@ import (
 )
 
 // RandomStrategy represents a random balancing strategy
-type RandomStrategy struct {
+type RandomStrategy struct{
 	FallbackTag string
 
 	ctx         context.Context
@@ -20,12 +20,6 @@ type RandomStrategy struct {
 
 func (s *RandomStrategy) InjectContext(ctx context.Context) {
 	s.ctx = ctx
-	if len(s.FallbackTag) > 0 {
-		common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
-			s.observatory = observatory
-			return nil
-		}))
-	}
 }
 
 func (s *RandomStrategy) GetPrincipleTarget(strings []string) []string {
@@ -33,6 +27,12 @@ func (s *RandomStrategy) GetPrincipleTarget(strings []string) []string {
 }
 
 func (s *RandomStrategy) PickOutbound(candidates []string) string {
+	if len(s.FallbackTag) > 0 && s.observatory == nil {
+		common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
+			s.observatory = observatory
+			return nil
+		}))
+	}
 	if s.observatory != nil {
 		observeReport, err := s.observatory.GetObservation(s.ctx)
 		if err == nil {

app/stats/command/command.go

@@ -12,8 +12,6 @@ import (
 	"github.com/xtls/xray-core/core"
 	feature_stats "github.com/xtls/xray-core/features/stats"
 	grpc "google.golang.org/grpc"
-	codes "google.golang.org/grpc/codes"
-	status "google.golang.org/grpc/status"
 )
 
 // statsServer is an implementation of StatsService.
@@ -32,7 +30,7 @@ func NewStatsServer(manager feature_stats.Manager) StatsServiceServer {
 func (s *statsServer) GetStats(ctx context.Context, request *GetStatsRequest) (*GetStatsResponse, error) {
 	c := s.stats.GetCounter(request.Name)
 	if c == nil {
-		return nil, status.Error(codes.NotFound, request.Name+" not found.")
+		return nil, errors.New(request.Name, " not found.")
 	}
 	var value int64
 	if request.Reset_ {
@@ -48,38 +46,6 @@ func (s *statsServer) GetStats(ctx context.Context, request *GetStatsRequest) (*
 	}, nil
 }
 
-func (s *statsServer) GetStatsOnline(ctx context.Context, request *GetStatsRequest) (*GetStatsResponse, error) {
-	c := s.stats.GetOnlineMap(request.Name)
-	if c == nil {
-		return nil, status.Error(codes.NotFound, request.Name+" not found.")
-	}
-	value := int64(c.Count())
-	return &GetStatsResponse{
-		Stat: &Stat{
-			Name:  request.Name,
-			Value: value,
-		},
-	}, nil
-}
-
-func (s *statsServer) GetStatsOnlineIpList(ctx context.Context, request *GetStatsRequest) (*GetStatsOnlineIpListResponse, error) {
-	c := s.stats.GetOnlineMap(request.Name)
-
-	if c == nil {
-		return nil, status.Error(codes.NotFound, request.Name+" not found.")
-	}
-
-	ips := make(map[string]int64)
-	for ip, t := range c.IpTimeMap() {
-		ips[ip] = t.Unix()
-	}
-
-	return &GetStatsOnlineIpListResponse{
-		Name: request.Name,
-		Ips:  ips,
-	}, nil
-}
-
 func (s *statsServer) QueryStats(ctx context.Context, request *QueryStatsRequest) (*QueryStatsResponse, error) {
 	matcher, err := strmatcher.Substr.New(request.Pattern)
 	if err != nil {

app/stats/command/command.pb.go

@@ -424,59 +424,6 @@ func (x *SysStatsResponse) GetUptime() uint32 {
 	return 0
 }
 
-type GetStatsOnlineIpListResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Name string           `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	Ips  map[string]int64 `protobuf:"bytes,2,rep,name=ips,proto3" json:"ips,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"varint,2,opt,name=value,proto3"`
-}
-
-func (x *GetStatsOnlineIpListResponse) Reset() {
-	*x = GetStatsOnlineIpListResponse{}
-	mi := &file_app_stats_command_command_proto_msgTypes[7]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *GetStatsOnlineIpListResponse) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*GetStatsOnlineIpListResponse) ProtoMessage() {}
-
-func (x *GetStatsOnlineIpListResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_app_stats_command_command_proto_msgTypes[7]
-	if x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use GetStatsOnlineIpListResponse.ProtoReflect.Descriptor instead.
-func (*GetStatsOnlineIpListResponse) Descriptor() ([]byte, []int) {
-	return file_app_stats_command_command_proto_rawDescGZIP(), []int{7}
-}
-
-func (x *GetStatsOnlineIpListResponse) GetName() string {
-	if x != nil {
-		return x.Name
-	}
-	return ""
-}
-
-func (x *GetStatsOnlineIpListResponse) GetIps() map[string]int64 {
-	if x != nil {
-		return x.Ips
-	}
-	return nil
-}
-
 type Config struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -485,7 +432,7 @@ type Config struct {
 
 func (x *Config) Reset() {
 	*x = Config{}
-	mi := &file_app_stats_command_command_proto_msgTypes[8]
+	mi := &file_app_stats_command_command_proto_msgTypes[7]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -497,7 +444,7 @@ func (x *Config) String() string {
 func (*Config) ProtoMessage() {}
 
 func (x *Config) ProtoReflect() protoreflect.Message {
-	mi := &file_app_stats_command_command_proto_msgTypes[8]
+	mi := &file_app_stats_command_command_proto_msgTypes[7]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -510,7 +457,7 @@ func (x *Config) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Config.ProtoReflect.Descriptor instead.
 func (*Config) Descriptor() ([]byte, []int) {
-	return file_app_stats_command_command_proto_rawDescGZIP(), []int{8}
+	return file_app_stats_command_command_proto_rawDescGZIP(), []int{7}
 }
 
 var File_app_stats_command_command_proto protoreflect.FileDescriptor
@@ -559,60 +506,34 @@ var file_app_stats_command_command_proto_rawDesc = []byte{
 	0x54, 0x6f, 0x74, 0x61, 0x6c, 0x4e, 0x73, 0x18, 0x09, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0c, 0x50,
 	0x61, 0x75, 0x73, 0x65, 0x54, 0x6f, 0x74, 0x61, 0x6c, 0x4e, 0x73, 0x12, 0x16, 0x0a, 0x06, 0x55,
 	0x70, 0x74, 0x69, 0x6d, 0x65, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x06, 0x55, 0x70, 0x74,
-	0x69, 0x6d, 0x65, 0x22, 0xbb, 0x01, 0x0a, 0x1c, 0x47, 0x65, 0x74, 0x53, 0x74, 0x61, 0x74, 0x73,
+	0x69, 0x6d, 0x65, 0x22, 0x08, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x32, 0xba, 0x02,
-	0x4f, 0x6e, 0x6c, 0x69, 0x6e, 0x65, 0x49, 0x70, 0x4c, 0x69, 0x73, 0x74, 0x52, 0x65, 0x73, 0x70,
+	0x0a, 0x0c, 0x53, 0x74, 0x61, 0x74, 0x73, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x5f,
-	0x6f, 0x6e, 0x73, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01,
+	0x0a, 0x08, 0x47, 0x65, 0x74, 0x53, 0x74, 0x61, 0x74, 0x73, 0x12, 0x27, 0x2e, 0x78, 0x72, 0x61,
-	0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x4f, 0x0a, 0x03, 0x69, 0x70, 0x73, 0x18,
+	0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x73, 0x74, 0x61, 0x74, 0x73, 0x2e, 0x63, 0x6f, 0x6d, 0x6d,
-	0x02, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x3d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70,
+	0x61, 0x6e, 0x64, 0x2e, 0x47, 0x65, 0x74, 0x53, 0x74, 0x61, 0x74, 0x73, 0x52, 0x65, 0x71, 0x75,
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+	0x65, 0x73, 0x74, 0x1a, 0x28, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x73,
-	0x65, 0x74, 0x53, 0x74, 0x61, 0x74, 0x73, 0x4f, 0x6e, 0x6c, 0x69, 0x6e, 0x65, 0x49, 0x70, 0x4c,
+	0x74, 0x61, 0x74, 0x73, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x2e, 0x47, 0x65, 0x74,
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+	0x53, 0x74, 0x61, 0x74, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12,
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+	0x65, 0x0a, 0x0a, 0x51, 0x75, 0x65, 0x72, 0x79, 0x53, 0x74, 0x61, 0x74, 0x73, 0x12, 0x29, 0x2e,
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-	0x18, 0x02, 0x20, 0x01, 0x28, 0x03, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38,
-	0x01, 0x22, 0x08, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x32, 0x9a, 0x04, 0x0a, 0x0c,
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-	0x74, 0x1a, 0x28, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x73, 0x74, 0x61,
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-	0x61, 0x74, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x65, 0x0a,
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-	0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x50, 0x01, 0x5a, 0x2b, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-	0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63,
-	0x6f, 0x72, 0x65, 0x2f, 0x61, 0x70, 0x70, 0x2f, 0x73, 0x74, 0x61, 0x74, 0x73, 0x2f, 0x63, 0x6f,
-	0x6d, 0x6d, 0x61, 0x6e, 0x64, 0xaa, 0x02, 0x16, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70, 0x70,
-	0x2e, 0x53, 0x74, 0x61, 0x74, 0x73, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x62, 0x06,
-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -627,7 +548,7 @@ func file_app_stats_command_command_proto_rawDescGZIP() []byte {
 	return file_app_stats_command_command_proto_rawDescData
 }
 
-var file_app_stats_command_command_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
+var file_app_stats_command_command_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
 var file_app_stats_command_command_proto_goTypes = []any{
 	(*GetStatsRequest)(nil),    // 0: xray.app.stats.command.GetStatsRequest
 	(*Stat)(nil),               // 1: xray.app.stats.command.Stat
@@ -636,29 +557,22 @@ var file_app_stats_command_command_proto_goTypes = []any{
 	(*QueryStatsResponse)(nil), // 4: xray.app.stats.command.QueryStatsResponse
 	(*SysStatsRequest)(nil),    // 5: xray.app.stats.command.SysStatsRequest
 	(*SysStatsResponse)(nil),   // 6: xray.app.stats.command.SysStatsResponse
-	(*GetStatsOnlineIpListResponse)(nil), // 7: xray.app.stats.command.GetStatsOnlineIpListResponse
+	(*Config)(nil),             // 7: xray.app.stats.command.Config
-	(*Config)(nil),                       // 8: xray.app.stats.command.Config
-	nil,                                  // 9: xray.app.stats.command.GetStatsOnlineIpListResponse.IpsEntry
 }
 var file_app_stats_command_command_proto_depIdxs = []int32{
 	1, // 0: xray.app.stats.command.GetStatsResponse.stat:type_name -> xray.app.stats.command.Stat
 	1, // 1: xray.app.stats.command.QueryStatsResponse.stat:type_name -> xray.app.stats.command.Stat
-	9, // 2: xray.app.stats.command.GetStatsOnlineIpListResponse.ips:type_name -> xray.app.stats.command.GetStatsOnlineIpListResponse.IpsEntry
+	0, // 2: xray.app.stats.command.StatsService.GetStats:input_type -> xray.app.stats.command.GetStatsRequest
-	0, // 3: xray.app.stats.command.StatsService.GetStats:input_type -> xray.app.stats.command.GetStatsRequest
+	3, // 3: xray.app.stats.command.StatsService.QueryStats:input_type -> xray.app.stats.command.QueryStatsRequest
-	0, // 4: xray.app.stats.command.StatsService.GetStatsOnline:input_type -> xray.app.stats.command.GetStatsRequest
+	5, // 4: xray.app.stats.command.StatsService.GetSysStats:input_type -> xray.app.stats.command.SysStatsRequest
-	3, // 5: xray.app.stats.command.StatsService.QueryStats:input_type -> xray.app.stats.command.QueryStatsRequest
+	2, // 5: xray.app.stats.command.StatsService.GetStats:output_type -> xray.app.stats.command.GetStatsResponse
-	5, // 6: xray.app.stats.command.StatsService.GetSysStats:input_type -> xray.app.stats.command.SysStatsRequest
+	4, // 6: xray.app.stats.command.StatsService.QueryStats:output_type -> xray.app.stats.command.QueryStatsResponse
-	0, // 7: xray.app.stats.command.StatsService.GetStatsOnlineIpList:input_type -> xray.app.stats.command.GetStatsRequest
+	6, // 7: xray.app.stats.command.StatsService.GetSysStats:output_type -> xray.app.stats.command.SysStatsResponse
-	2, // 8: xray.app.stats.command.StatsService.GetStats:output_type -> xray.app.stats.command.GetStatsResponse
+	5, // [5:8] is the sub-list for method output_type
-	2, // 9: xray.app.stats.command.StatsService.GetStatsOnline:output_type -> xray.app.stats.command.GetStatsResponse
+	2, // [2:5] is the sub-list for method input_type
-	4, // 10: xray.app.stats.command.StatsService.QueryStats:output_type -> xray.app.stats.command.QueryStatsResponse
+	2, // [2:2] is the sub-list for extension type_name
-	6, // 11: xray.app.stats.command.StatsService.GetSysStats:output_type -> xray.app.stats.command.SysStatsResponse
+	2, // [2:2] is the sub-list for extension extendee
-	7, // 12: xray.app.stats.command.StatsService.GetStatsOnlineIpList:output_type -> xray.app.stats.command.GetStatsOnlineIpListResponse
+	0, // [0:2] is the sub-list for field type_name
-	8, // [8:13] is the sub-list for method output_type
-	3, // [3:8] is the sub-list for method input_type
-	3, // [3:3] is the sub-list for extension type_name
-	3, // [3:3] is the sub-list for extension extendee
-	0, // [0:3] is the sub-list for field type_name
 }
 
 func init() { file_app_stats_command_command_proto_init() }
@@ -672,7 +586,7 @@ func file_app_stats_command_command_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_app_stats_command_command_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   10,
+			NumMessages:   8,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

app/stats/command/command.proto

@@ -46,17 +46,10 @@ message SysStatsResponse {
   uint32 Uptime = 10;
 }
 
-message GetStatsOnlineIpListResponse {
-  string name = 1;
-  map<string, int64> ips = 2;
-}
-
 service StatsService {
   rpc GetStats(GetStatsRequest) returns (GetStatsResponse) {}
-  rpc GetStatsOnline(GetStatsRequest) returns (GetStatsResponse) {}
   rpc QueryStats(QueryStatsRequest) returns (QueryStatsResponse) {}
   rpc GetSysStats(SysStatsRequest) returns (SysStatsResponse) {}
-  rpc GetStatsOnlineIpList(GetStatsRequest) returns (GetStatsOnlineIpListResponse) {}
 }
 
 message Config {}

app/stats/command/command_grpc.pb.go

@@ -20,10 +20,8 @@ const _ = grpc.SupportPackageIsVersion9
 
 const (
 	StatsService_GetStats_FullMethodName    = "/xray.app.stats.command.StatsService/GetStats"
-	StatsService_GetStatsOnline_FullMethodName       = "/xray.app.stats.command.StatsService/GetStatsOnline"
 	StatsService_QueryStats_FullMethodName  = "/xray.app.stats.command.StatsService/QueryStats"
 	StatsService_GetSysStats_FullMethodName = "/xray.app.stats.command.StatsService/GetSysStats"
-	StatsService_GetStatsOnlineIpList_FullMethodName = "/xray.app.stats.command.StatsService/GetStatsOnlineIpList"
 )
 
 // StatsServiceClient is the client API for StatsService service.
@@ -31,10 +29,8 @@ const (
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type StatsServiceClient interface {
 	GetStats(ctx context.Context, in *GetStatsRequest, opts ...grpc.CallOption) (*GetStatsResponse, error)
-	GetStatsOnline(ctx context.Context, in *GetStatsRequest, opts ...grpc.CallOption) (*GetStatsResponse, error)
 	QueryStats(ctx context.Context, in *QueryStatsRequest, opts ...grpc.CallOption) (*QueryStatsResponse, error)
 	GetSysStats(ctx context.Context, in *SysStatsRequest, opts ...grpc.CallOption) (*SysStatsResponse, error)
-	GetStatsOnlineIpList(ctx context.Context, in *GetStatsRequest, opts ...grpc.CallOption) (*GetStatsOnlineIpListResponse, error)
 }
 
 type statsServiceClient struct {
@@ -55,16 +51,6 @@ func (c *statsServiceClient) GetStats(ctx context.Context, in *GetStatsRequest,
 	return out, nil
 }
 
-func (c *statsServiceClient) GetStatsOnline(ctx context.Context, in *GetStatsRequest, opts ...grpc.CallOption) (*GetStatsResponse, error) {
-	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	out := new(GetStatsResponse)
-	err := c.cc.Invoke(ctx, StatsService_GetStatsOnline_FullMethodName, in, out, cOpts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
 func (c *statsServiceClient) QueryStats(ctx context.Context, in *QueryStatsRequest, opts ...grpc.CallOption) (*QueryStatsResponse, error) {
 	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
 	out := new(QueryStatsResponse)
@@ -85,25 +71,13 @@ func (c *statsServiceClient) GetSysStats(ctx context.Context, in *SysStatsReques
 	return out, nil
 }
 
-func (c *statsServiceClient) GetStatsOnlineIpList(ctx context.Context, in *GetStatsRequest, opts ...grpc.CallOption) (*GetStatsOnlineIpListResponse, error) {
-	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	out := new(GetStatsOnlineIpListResponse)
-	err := c.cc.Invoke(ctx, StatsService_GetStatsOnlineIpList_FullMethodName, in, out, cOpts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
 // StatsServiceServer is the server API for StatsService service.
 // All implementations must embed UnimplementedStatsServiceServer
 // for forward compatibility.
 type StatsServiceServer interface {
 	GetStats(context.Context, *GetStatsRequest) (*GetStatsResponse, error)
-	GetStatsOnline(context.Context, *GetStatsRequest) (*GetStatsResponse, error)
 	QueryStats(context.Context, *QueryStatsRequest) (*QueryStatsResponse, error)
 	GetSysStats(context.Context, *SysStatsRequest) (*SysStatsResponse, error)
-	GetStatsOnlineIpList(context.Context, *GetStatsRequest) (*GetStatsOnlineIpListResponse, error)
 	mustEmbedUnimplementedStatsServiceServer()
 }
 
@@ -117,18 +91,12 @@ type UnimplementedStatsServiceServer struct{}
 func (UnimplementedStatsServiceServer) GetStats(context.Context, *GetStatsRequest) (*GetStatsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetStats not implemented")
 }
-func (UnimplementedStatsServiceServer) GetStatsOnline(context.Context, *GetStatsRequest) (*GetStatsResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method GetStatsOnline not implemented")
-}
 func (UnimplementedStatsServiceServer) QueryStats(context.Context, *QueryStatsRequest) (*QueryStatsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method QueryStats not implemented")
 }
 func (UnimplementedStatsServiceServer) GetSysStats(context.Context, *SysStatsRequest) (*SysStatsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetSysStats not implemented")
 }
-func (UnimplementedStatsServiceServer) GetStatsOnlineIpList(context.Context, *GetStatsRequest) (*GetStatsOnlineIpListResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method GetStatsOnlineIpList not implemented")
-}
 func (UnimplementedStatsServiceServer) mustEmbedUnimplementedStatsServiceServer() {}
 func (UnimplementedStatsServiceServer) testEmbeddedByValue()                      {}
 
@@ -168,24 +136,6 @@ func _StatsService_GetStats_Handler(srv interface{}, ctx context.Context, dec fu
 	return interceptor(ctx, in, info, handler)
 }
 
-func _StatsService_GetStatsOnline_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(GetStatsRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(StatsServiceServer).GetStatsOnline(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: StatsService_GetStatsOnline_FullMethodName,
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(StatsServiceServer).GetStatsOnline(ctx, req.(*GetStatsRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 func _StatsService_QueryStats_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(QueryStatsRequest)
 	if err := dec(in); err != nil {
@@ -222,24 +172,6 @@ func _StatsService_GetSysStats_Handler(srv interface{}, ctx context.Context, dec
 	return interceptor(ctx, in, info, handler)
 }
 
-func _StatsService_GetStatsOnlineIpList_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(GetStatsRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(StatsServiceServer).GetStatsOnlineIpList(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: StatsService_GetStatsOnlineIpList_FullMethodName,
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(StatsServiceServer).GetStatsOnlineIpList(ctx, req.(*GetStatsRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 // StatsService_ServiceDesc is the grpc.ServiceDesc for StatsService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -251,10 +183,6 @@ var StatsService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetStats",
 			Handler:    _StatsService_GetStats_Handler,
 		},
-		{
-			MethodName: "GetStatsOnline",
-			Handler:    _StatsService_GetStatsOnline_Handler,
-		},
 		{
 			MethodName: "QueryStats",
 			Handler:    _StatsService_QueryStats_Handler,
@@ -263,10 +191,6 @@ var StatsService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetSysStats",
 			Handler:    _StatsService_GetSysStats_Handler,
 		},
-		{
-			MethodName: "GetStatsOnlineIpList",
-			Handler:    _StatsService_GetStatsOnlineIpList_Handler,
-		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "app/stats/command/command.proto",

app/stats/online_map.go

@@ -1,90 +0,0 @@
-package stats
-
-import (
-	"sync"
-	"time"
-)
-
-// OnlineMap is an implementation of stats.OnlineMap.
-type OnlineMap struct {
-	value         int
-	ipList        map[string]time.Time
-	access        sync.RWMutex
-	lastCleanup   time.Time
-	cleanupPeriod time.Duration
-}
-
-// NewOnlineMap creates a new instance of OnlineMap.
-func NewOnlineMap() *OnlineMap {
-	return &OnlineMap{
-		ipList:        make(map[string]time.Time),
-		lastCleanup:   time.Now(),
-		cleanupPeriod: 10 * time.Second,
-	}
-}
-
-// Count implements stats.OnlineMap.
-func (c *OnlineMap) Count() int {
-	return c.value
-}
-
-// List implements stats.OnlineMap.
-func (c *OnlineMap) List() []string {
-	return c.GetKeys()
-}
-
-// AddIP implements stats.OnlineMap.
-func (c *OnlineMap) AddIP(ip string) {
-	list := c.ipList
-
-	if ip == "127.0.0.1" {
-		return
-	}
-	c.access.Lock()
-	if _, ok := list[ip]; !ok {
-		list[ip] = time.Now()
-	}
-	c.access.Unlock()
-	if time.Since(c.lastCleanup) > c.cleanupPeriod {
-		list = c.RemoveExpiredIPs(list)
-		c.lastCleanup = time.Now()
-	}
-
-	c.value = len(list)
-	c.ipList = list
-}
-
-func (c *OnlineMap) GetKeys() []string {
-	c.access.RLock()
-	defer c.access.RUnlock()
-
-	keys := []string{}
-	for k := range c.ipList {
-		keys = append(keys, k)
-	}
-	return keys
-}
-
-func (c *OnlineMap) RemoveExpiredIPs(list map[string]time.Time) map[string]time.Time {
-	c.access.Lock()
-	defer c.access.Unlock()
-
-	now := time.Now()
-	for k, t := range list {
-		diff := now.Sub(t)
-		if diff.Seconds() > 20 {
-			delete(list, k)
-		}
-	}
-	return list
-}
-
-func (c *OnlineMap) IpTimeMap() map[string]time.Time {
-	list := c.ipList
-	if time.Since(c.lastCleanup) > c.cleanupPeriod {
-		list = c.RemoveExpiredIPs(list)
-		c.lastCleanup = time.Now()
-	}
-
-	return c.ipList
-}

app/stats/stats.go

@@ -13,7 +13,6 @@ import (
 type Manager struct {
 	access   sync.RWMutex
 	counters map[string]*Counter
-	onlineMap map[string]*OnlineMap
 	channels map[string]*Channel
 	running  bool
 }
@@ -22,7 +21,6 @@ type Manager struct {
 func NewManager(ctx context.Context, config *Config) (*Manager, error) {
 	m := &Manager{
 		counters: make(map[string]*Counter),
-		onlineMap: make(map[string]*OnlineMap),
 		channels: make(map[string]*Channel),
 	}
 
@@ -83,43 +81,6 @@ func (m *Manager) VisitCounters(visitor func(string, stats.Counter) bool) {
 	}
 }
 
-// RegisterOnlineMap implements stats.Manager.
-func (m *Manager) RegisterOnlineMap(name string) (stats.OnlineMap, error) {
-	m.access.Lock()
-	defer m.access.Unlock()
-
-	if _, found := m.onlineMap[name]; found {
-		return nil, errors.New("onlineMap ", name, " already registered.")
-	}
-	errors.LogDebug(context.Background(), "create new onlineMap ", name)
-	om := NewOnlineMap()
-	m.onlineMap[name] = om
-	return om, nil
-}
-
-// UnregisterOnlineMap implements stats.Manager.
-func (m *Manager) UnregisterOnlineMap(name string) error {
-	m.access.Lock()
-	defer m.access.Unlock()
-
-	if _, found := m.onlineMap[name]; found {
-		errors.LogDebug(context.Background(), "remove onlineMap ", name)
-		delete(m.onlineMap, name)
-	}
-	return nil
-}
-
-// GetOnlineMap implements stats.Manager.
-func (m *Manager) GetOnlineMap(name string) stats.OnlineMap {
-	m.access.RLock()
-	defer m.access.RUnlock()
-
-	if om, found := m.onlineMap[name]; found {
-		return om
-	}
-	return nil
-}
-
 // RegisterChannel implements stats.Manager.
 func (m *Manager) RegisterChannel(name string) (stats.Channel, error) {
 	m.access.Lock()

common/buf/buffer.go

@@ -13,19 +13,8 @@ const (
 	Size = 8192
 )
 
-var zero = [Size * 10]byte{0}
-
 var pool = bytespool.GetPool(Size)
 
-// ownership represents the data owner of the buffer.
-type ownership uint8
-
-const (
-	managed ownership = iota
-	unmanaged
-	bytespools
-)
-
 // Buffer is a recyclable allocation of a byte array. Buffer.Release() recycles
 // the buffer into an internal buffer pool, in order to recreate a buffer more
 // quickly.
@@ -33,11 +22,11 @@ type Buffer struct {
 	v         []byte
 	start     int32
 	end       int32
-	ownership ownership
+	unmanaged bool
 	UDP       *net.Destination
 }
 
-// New creates a Buffer with 0 length and 8K capacity, managed.
+// New creates a Buffer with 0 length and 8K capacity.
 func New() *Buffer {
 	buf := pool.Get().([]byte)
 	if cap(buf) >= Size {
@@ -51,7 +40,7 @@ func New() *Buffer {
 	}
 }
 
-// NewExisted creates a standard size Buffer with an existed bytearray, managed.
+// NewExisted creates a managed, standard size Buffer with an existed bytearray
 func NewExisted(b []byte) *Buffer {
 	if cap(b) < Size {
 		panic("Invalid buffer")
@@ -68,16 +57,16 @@ func NewExisted(b []byte) *Buffer {
 	}
 }
 
-// FromBytes creates a Buffer with an existed bytearray, unmanaged.
+// FromBytes creates a Buffer with an existed bytearray
 func FromBytes(b []byte) *Buffer {
 	return &Buffer{
 		v:         b,
 		end:       int32(len(b)),
-		ownership: unmanaged,
+		unmanaged: true,
 	}
 }
 
-// StackNew creates a new Buffer object on stack, managed.
+// StackNew creates a new Buffer object on stack.
 // This method is for buffers that is released in the same function.
 func StackNew() Buffer {
 	buf := pool.Get().([]byte)
@@ -92,17 +81,9 @@ func StackNew() Buffer {
 	}
 }
 
-// NewWithSize creates a Buffer with 0 length and capacity with at least the given size, bytespool's.
-func NewWithSize(size int32) *Buffer {
-	return &Buffer{
-		v:         bytespool.Alloc(size),
-		ownership: bytespools,
-	}
-}
-
 // Release recycles the buffer into an internal buffer pool.
 func (b *Buffer) Release() {
-	if b == nil || b.v == nil || b.ownership == unmanaged {
+	if b == nil || b.v == nil || b.unmanaged {
 		return
 	}
 
@@ -110,14 +91,9 @@ func (b *Buffer) Release() {
 	b.v = nil
 	b.Clear()
 
-	switch b.ownership {
-	case managed:
 	if cap(p) == Size {
 		pool.Put(p)
 	}
-	case bytespools:
-		bytespool.Free(p)
-	}
 	b.UDP = nil
 }
 
@@ -152,7 +128,6 @@ func (b *Buffer) Extend(n int32) []byte {
 	}
 	ext := b.v[b.end:end]
 	b.end = end
-	copy(ext, zero[:])
 	return ext
 }
 
@@ -201,7 +176,6 @@ func (b *Buffer) Check() {
 
 // Resize cuts the buffer at the given position.
 func (b *Buffer) Resize(from, to int32) {
-	oldEnd := b.end
 	if from < 0 {
 		from += b.Len()
 	}
@@ -214,9 +188,6 @@ func (b *Buffer) Resize(from, to int32) {
 	b.end = b.start + to
 	b.start += from
 	b.Check()
-	if b.end > oldEnd {
-		copy(b.v[oldEnd:b.end], zero[:])
-	}
 }
 
 // Advance cuts the buffer at the given position.
@@ -244,6 +215,13 @@ func (b *Buffer) Cap() int32 {
 	return int32(len(b.v))
 }
 
+// NewWithSize creates a Buffer with 0 length and capacity with at least the given size.
+func NewWithSize(size int32) *Buffer {
+	return &Buffer{
+		v:         bytespool.Alloc(size),
+	}
+}
+
 // IsEmpty returns true if the buffer is empty.
 func (b *Buffer) IsEmpty() bool {
 	return b.Len() == 0

common/common.go

@@ -38,7 +38,7 @@ func Error2(v interface{}, err error) error {
 func envFile() (string, error) {
 	if file := os.Getenv("GOENV"); file != "" {
 		if file == "off" {
-			return "", errors.New("GOENV=off")
+			return "", fmt.Errorf("GOENV=off")
 		}
 		return file, nil
 	}
@@ -47,7 +47,7 @@ func envFile() (string, error) {
 		return "", err
 	}
 	if dir == "" {
-		return "", errors.New("missing user-config dir")
+		return "", fmt.Errorf("missing user-config dir")
 	}
 	return filepath.Join(dir, "go", "env"), nil
 }
@@ -60,7 +60,7 @@ func GetRuntimeEnv(key string) (string, error) {
 		return "", err
 	}
 	if file == "" {
-		return "", errors.New("missing runtime env file")
+		return "", fmt.Errorf("missing runtime env file")
 	}
 	var data []byte
 	var runtimeEnv string

common/crypto/crypto.go

@@ -1,15 +1,2 @@
 // Package crypto provides common crypto libraries for Xray.
 package crypto // import "github.com/xtls/xray-core/common/crypto"
-
-import (
-	"crypto/rand"
-	"math/big"
-)
-
-func RandBetween(from int64, to int64) int64 {
-	if from == to {
-		return from
-	}
-	bigInt, _ := rand.Int(rand.Reader, big.NewInt(to-from))
-	return from + bigInt.Int64()
-}

common/ctx/context.go

@@ -7,7 +7,7 @@ type SessionKey int
 // ID of a session.
 type ID uint32
 
-const (
+const(
 	idSessionKey SessionKey = 0
 )
 

common/errors/multi_error.go

@@ -1,7 +1,6 @@
 package errors
 
 import (
-	"errors"
 	"strings"
 )
 
@@ -37,12 +36,12 @@ func AllEqual(expected error, actual error) bool {
 			return false
 		}
 		for _, err := range errs {
-			if !errors.Is(err, expected) {
+			if err != expected {
 				return false
 			}
 		}
 		return true
 	default:
-		return errors.Is(errs, expected)
+		return errs == expected
 	}
 }

common/log/logger.go

@@ -146,7 +146,7 @@ func (w *fileLogWriter) Close() error {
 func CreateStdoutLogWriter() WriterCreator {
 	return func() Writer {
 		return &consoleLogWriter{
-			logger: log.New(os.Stdout, "", log.Ldate|log.Ltime|log.Lmicroseconds),
+			logger: log.New(os.Stdout, "", log.Ldate|log.Ltime),
 		}
 	}
 }
@@ -155,7 +155,7 @@ func CreateStdoutLogWriter() WriterCreator {
 func CreateStderrLogWriter() WriterCreator {
 	return func() Writer {
 		return &consoleLogWriter{
-			logger: log.New(os.Stderr, "", log.Ldate|log.Ltime|log.Lmicroseconds),
+			logger: log.New(os.Stderr, "", log.Ldate|log.Ltime),
 		}
 	}
 }
@@ -174,7 +174,7 @@ func CreateFileLogWriter(path string) (WriterCreator, error) {
 		}
 		return &fileLogWriter{
 			file:   file,
-			logger: log.New(file, "", log.Ldate|log.Ltime|log.Lmicroseconds),
+			logger: log.New(file, "", log.Ldate|log.Ltime),
 		}
 	}, nil
 }

common/log/logger_test.go

@@ -16,7 +16,6 @@ func TestFileLogger(t *testing.T) {
 	common.Must(err)
 	path := f.Name()
 	common.Must(f.Close())
-	defer os.Remove(path)
 
 	creator, err := CreateFileLogWriter(path)
 	common.Must(err)

common/mux/client.go

@@ -173,7 +173,6 @@ type ClientWorker struct {
 	sessionManager *SessionManager
 	link           transport.Link
 	done           *done.Instance
-	timer          *time.Ticker
 	strategy       ClientStrategy
 }
 
@@ -188,7 +187,6 @@ func NewClientWorker(stream transport.Link, s ClientStrategy) (*ClientWorker, er
 		sessionManager: NewSessionManager(),
 		link:           stream,
 		done:           done.New(),
-		timer:          time.NewTicker(time.Second * 16),
 		strategy:       s,
 	}
 
@@ -211,12 +209,9 @@ func (m *ClientWorker) Closed() bool {
 	return m.done.Done()
 }
 
-func (m *ClientWorker) GetTimer() *time.Ticker {
-	return m.timer
-}
-
 func (m *ClientWorker) monitor() {
-	defer m.timer.Stop()
+	timer := time.NewTicker(time.Second * 16)
+	defer timer.Stop()
 
 	for {
 		select {
@@ -225,7 +220,7 @@ func (m *ClientWorker) monitor() {
 			common.Close(m.link.Writer)
 			common.Interrupt(m.link.Reader)
 			return
-		case <-m.timer.C:
+		case <-timer.C:
 			size := m.sessionManager.Size()
 			if size == 0 && m.sessionManager.CloseIfNoSession() {
 				common.Must(m.done.Close())
@@ -281,8 +276,6 @@ func (m *ClientWorker) IsClosing() bool {
 	return false
 }
 
-// IsFull returns true if this ClientWorker is unable to accept more connections.
-// it might be because it is closing, or the number of connections has reached the limit.
 func (m *ClientWorker) IsFull() bool {
 	if m.IsClosing() || m.Closed() {
 		return true
@@ -296,12 +289,12 @@ func (m *ClientWorker) IsFull() bool {
 }
 
 func (m *ClientWorker) Dispatch(ctx context.Context, link *transport.Link) bool {
-	if m.IsFull() {
+	if m.IsFull() || m.Closed() {
 		return false
 	}
 
 	sm := m.sessionManager
-	s := sm.Allocate(&m.strategy)
+	s := sm.Allocate()
 	if s == nil {
 		return false
 	}

common/mux/server.go

@@ -120,7 +120,7 @@ func (w *ServerWorker) handleStatusKeepAlive(meta *FrameMetadata, reader *buf.Bu
 func (w *ServerWorker) handleStatusNew(ctx context.Context, meta *FrameMetadata, reader *buf.BufferedReader) error {
 	// deep-clone outbounds because it is going to be mutated concurrently
 	// (Target and OriginalTarget)
-	ctx = session.ContextCloneOutboundsAndContent(ctx)
+	ctx = session.ContextCloneOutbounds(ctx)
 	errors.LogInfo(ctx, "received request for ", meta.Target)
 	{
 		msg := &log.AccessMessage{
@@ -201,12 +201,11 @@ func (w *ServerWorker) handleStatusNew(ctx context.Context, meta *FrameMetadata,
 			transferType: protocol.TransferTypePacket,
 			XUDP:         x,
 		}
+		go handle(ctx, x.Mux, w.link.Writer)
 		x.Status = Active
 		if !w.sessionManager.Add(x.Mux) {
 			x.Mux.Close(false)
-			return errors.New("failed to add new session")
 		}
-		go handle(ctx, x.Mux, w.link.Writer)
 		return nil
 	}
 
@@ -227,23 +226,18 @@ func (w *ServerWorker) handleStatusNew(ctx context.Context, meta *FrameMetadata,
 	if meta.Target.Network == net.Network_UDP {
 		s.transferType = protocol.TransferTypePacket
 	}
-	if !w.sessionManager.Add(s) {
+	w.sessionManager.Add(s)
-		s.Close(false)
-		return errors.New("failed to add new session")
-	}
 	go handle(ctx, s, w.link.Writer)
 	if !meta.Option.Has(OptionData) {
 		return nil
 	}
 
 	rr := s.NewReader(reader, &meta.Target)
-	err = buf.Copy(rr, s.output)
+	if err := buf.Copy(rr, s.output); err != nil {
-
+		buf.Copy(rr, buf.Discard)
-	if err != nil && buf.IsWriteError(err) {
+		return s.Close(false)
-		s.Close(false)
-		return buf.Copy(rr, buf.Discard)
 	}
-	return err
+	return nil
 }
 
 func (w *ServerWorker) handleStatusKeep(meta *FrameMetadata, reader *buf.BufferedReader) error {
@@ -310,11 +304,10 @@ func (w *ServerWorker) handleFrame(ctx context.Context, reader *buf.BufferedRead
 }
 
 func (w *ServerWorker) run(ctx context.Context) {
-	reader := &buf.BufferedReader{Reader: w.link.Reader}
+	input := w.link.Reader
+	reader := &buf.BufferedReader{Reader: input}
 
 	defer w.sessionManager.Close()
-	defer common.Close(w.link.Writer)
-	defer common.Interrupt(w.link.Reader)
 
 	for {
 		select {
@@ -325,6 +318,7 @@ func (w *ServerWorker) run(ctx context.Context) {
 			if err != nil {
 				if errors.Cause(err) != io.EOF {
 					errors.LogInfoInner(ctx, err, "unexpected EOF")
+					common.Interrupt(input)
 				}
 				return
 			}

common/mux/session.go

@@ -50,14 +50,11 @@ func (m *SessionManager) Count() int {
 	return int(m.count)
 }
 
-func (m *SessionManager) Allocate(Strategy *ClientStrategy) *Session {
+func (m *SessionManager) Allocate() *Session {
 	m.Lock()
 	defer m.Unlock()
 
-	MaxConcurrency := int(Strategy.MaxConcurrency)
+	if m.closed {
-	MaxConnection := uint16(Strategy.MaxConnection)
-
-	if m.closed || (MaxConcurrency > 0 && len(m.sessions) >= MaxConcurrency) || (MaxConnection > 0 && m.count >= MaxConnection) {
 		return nil
 	}
 

common/mux/session_test.go

@@ -9,7 +9,7 @@ import (
 func TestSessionManagerAdd(t *testing.T) {
 	m := NewSessionManager()
 
-	s := m.Allocate(&ClientStrategy{})
+	s := m.Allocate()
 	if s.ID != 1 {
 		t.Error("id: ", s.ID)
 	}
@@ -17,7 +17,7 @@ func TestSessionManagerAdd(t *testing.T) {
 		t.Error("size: ", m.Size())
 	}
 
-	s = m.Allocate(&ClientStrategy{})
+	s = m.Allocate()
 	if s.ID != 2 {
 		t.Error("id: ", s.ID)
 	}
@@ -39,7 +39,7 @@ func TestSessionManagerAdd(t *testing.T) {
 
 func TestSessionManagerClose(t *testing.T) {
 	m := NewSessionManager()
-	s := m.Allocate(&ClientStrategy{})
+	s := m.Allocate()
 
 	if m.CloseIfNoSession() {
 		t.Error("able to close")

common/net/net.go

@@ -1,14 +1,2 @@
 // Package net is a drop-in replacement to Golang's net package, with some more functionalities.
 package net // import "github.com/xtls/xray-core/common/net"
-
-import "time"
-
-// defines the maximum time an idle TCP session can survive in the tunnel, so
-// it should be consistent across HTTP versions and with other transports.
-const ConnIdleTimeout = 300 * time.Second
-
-// consistent with quic-go
-const QuicgoH3KeepAlivePeriod = 10 * time.Second
-
-// consistent with chrome
-const ChromeH2KeepAlivePeriod = 45 * time.Second

common/net/system.go

@@ -76,9 +76,8 @@ type (
 )
 
 var (
-	ResolveTCPAddr  = net.ResolveTCPAddr
-	ResolveUDPAddr  = net.ResolveUDPAddr
 	ResolveUnixAddr = net.ResolveUnixAddr
+	ResolveUDPAddr  = net.ResolveUDPAddr
 )
 
 type Resolver = net.Resolver

common/platform/filesystem/file.go

@@ -3,7 +3,6 @@ package filesystem
 import (
 	"io"
 	"os"
-	"path/filepath"
 
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/platform"
@@ -29,13 +28,6 @@ func ReadAsset(file string) ([]byte, error) {
 	return ReadFile(platform.GetAssetLocation(file))
 }
 
-func ReadCert(file string) ([]byte, error) {
-	if filepath.IsAbs(file) {
-		return ReadFile(file)
-	}
-	return ReadFile(platform.GetCertLocation(file))
-}
-
 func CopyFile(dst string, src string) error {
 	bytes, err := ReadFile(src)
 	if err != nil {

common/platform/others.go

@@ -21,7 +21,7 @@ func GetToolLocation(file string) string {
 	return filepath.Join(toolPath, file)
 }
 
-// GetAssetLocation searches for `file` in the env dir, the executable dir, and certain locations
+// GetAssetLocation searches for `file` in certain locations
 func GetAssetLocation(file string) string {
 	assetPath := NewEnvFlag(AssetLocation).GetValue(getExecutableDir)
 	defPath := filepath.Join(assetPath, file)
@@ -42,9 +42,3 @@ func GetAssetLocation(file string) string {
 	// asset not found, let the caller throw out the error
 	return defPath
 }
-
-// GetCertLocation searches for `file` in the env dir and the executable dir
-func GetCertLocation(file string) string {
-	certPath := NewEnvFlag(CertLocation).GetValue(getExecutableDir)
-	return filepath.Join(certPath, file)
-}

common/platform/platform.go

@@ -13,7 +13,6 @@ const (
 	ConfdirLocation = "xray.location.confdir"
 	ToolLocation    = "xray.location.tool"
 	AssetLocation   = "xray.location.asset"
-	CertLocation    = "xray.location.cert"
 
 	UseReadV         = "xray.buf.readv"
 	UseFreedomSplice = "xray.buf.splice"

common/platform/windows.go

@@ -19,14 +19,8 @@ func GetToolLocation(file string) string {
 	return filepath.Join(toolPath, file+".exe")
 }
 
-// GetAssetLocation searches for `file` in the env dir and the executable dir
+// GetAssetLocation searches for `file` in the executable dir
 func GetAssetLocation(file string) string {
 	assetPath := NewEnvFlag(AssetLocation).GetValue(getExecutableDir)
 	return filepath.Join(assetPath, file)
 }
-
-// GetCertLocation searches for `file` in the env dir and the executable dir
-func GetCertLocation(file string) string {
-	certPath := NewEnvFlag(CertLocation).GetValue(getExecutableDir)
-	return filepath.Join(certPath, file)
-}

common/protocol/account.go

@@ -1,11 +1,8 @@
 package protocol
 
-import "google.golang.org/protobuf/proto"
-
 // Account is a user identity used for authentication.
 type Account interface {
 	Equals(Account) bool
-	ToProto() proto.Message
 }
 
 // AsAccount is an object can be converted into account.

common/protocol/http/sniff.go

@@ -63,7 +63,7 @@ func SniffHTTP(b []byte, c context.Context) (*SniffHeader, error) {
 	ShouldSniffAttr := true
 	// If content.Attributes have information, that means it comes from HTTP inbound PlainHTTP mode.
 	// It will set attributes, so skip it.
-	if content == nil || len(content.Attributes) != 0 {
+	if content == nil || content.AttributeLen() != 0 {
 		ShouldSniffAttr = false
 	}
 	if err := beginWithHTTPMethod(b); err != nil {

common/protocol/protocol.go

@@ -1,7 +1 @@
 package protocol // import "github.com/xtls/xray-core/common/protocol"
-
-import (
-	"errors"
-)
-
-var ErrProtoNeedMoreData = errors.New("protocol matches, but need more data to complete sniffing")

common/protocol/quic/sniff.go

@@ -7,11 +7,11 @@ import (
 	"encoding/binary"
 	"io"
 
-	"github.com/quic-go/quic-go/quicvarint"
+	"github.com/refraction-networking/uquic/quicvarint"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
+	"github.com/xtls/xray-core/common/bytespool"
 	"github.com/xtls/xray-core/common/errors"
-	"github.com/xtls/xray-core/common/protocol"
 	ptls "github.com/xtls/xray-core/common/protocol/tls"
 	"golang.org/x/crypto/hkdf"
 )
@@ -47,16 +47,10 @@ var (
 )
 
 func SniffQUIC(b []byte) (*SniffHeader, error) {
-	if len(b) == 0 {
-		return nil, common.ErrNoClue
-	}
-
 	// Crypto data separated across packets
-	cryptoLen := int32(0)
+	cryptoLen := 0
-	cryptoDataBuf := buf.NewWithSize(32767)
+	cryptoData := bytespool.Alloc(int32(len(b)))
-	defer cryptoDataBuf.Release()
+	defer bytespool.Free(cryptoData)
-	cache := buf.New()
-	defer cache.Release()
 
 	// Parse QUIC packets
 	for len(b) > 0 {
@@ -99,7 +93,6 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 			return nil, errNotQuic
 		}
 
-		if isQuicInitial { // Only initial packets have token, see https://datatracker.ietf.org/doc/html/rfc9000#section-17.2.2
 		tokenLen, err := quicvarint.Read(buffer)
 		if err != nil || tokenLen > uint64(len(b)) {
 			return nil, errNotQuic
@@ -108,16 +101,11 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 		if _, err = buffer.ReadBytes(int32(tokenLen)); err != nil {
 			return nil, errNotQuic
 		}
-		}
 
 		packetLen, err := quicvarint.Read(buffer)
 		if err != nil {
 			return nil, errNotQuic
 		}
-		// packetLen is impossible to be shorter than this
-		if packetLen < 4 {
-			return nil, errNotQuic
-		}
 
 		hdrLen := len(b) - int(buffer.Len())
 		if len(b) < hdrLen+int(packetLen) {
@@ -130,6 +118,9 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 			continue
 		}
 
+		origPNBytes := make([]byte, 4)
+		copy(origPNBytes, b[hdrLen:hdrLen+4])
+
 		var salt []byte
 		if versionNumber == version1 {
 			salt = quicSalt
@@ -144,34 +135,44 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 			return nil, err
 		}
 
-		cache.Clear()
+		cache := buf.New()
+		defer cache.Release()
+
 		mask := cache.Extend(int32(block.BlockSize()))
-		block.Encrypt(mask, b[hdrLen+4:hdrLen+4+len(mask)])
+		block.Encrypt(mask, b[hdrLen+4:hdrLen+4+16])
 		b[0] ^= mask[0] & 0xf
-		packetNumberLength := int(b[0]&0x3 + 1)
+		for i := range b[hdrLen : hdrLen+4] {
-		for i := range packetNumberLength {
 			b[hdrLen+i] ^= mask[i+1]
 		}
+		packetNumberLength := b[0]&0x3 + 1
+		if packetNumberLength != 1 {
+			return nil, errNotQuicInitial
+		}
+		var packetNumber uint32
+		{
+			n, err := buffer.ReadByte()
+			if err != nil {
+				return nil, err
+			}
+			packetNumber = uint32(n)
+		}
+
+		extHdrLen := hdrLen + int(packetNumberLength)
+		copy(b[extHdrLen:hdrLen+4], origPNBytes[packetNumberLength:])
+		data := b[extHdrLen : int(packetLen)+hdrLen]
 
 		key := hkdfExpandLabel(crypto.SHA256, secret, []byte{}, "quic key", 16)
 		iv := hkdfExpandLabel(crypto.SHA256, secret, []byte{}, "quic iv", 12)
 		cipher := AEADAESGCMTLS13(key, iv)
-
 		nonce := cache.Extend(int32(cipher.NonceSize()))
-		_, err = buffer.Read(nonce[len(nonce)-packetNumberLength:])
+		binary.BigEndian.PutUint64(nonce[len(nonce)-8:], uint64(packetNumber))
-		if err != nil {
-			return nil, err
-		}
-
-		extHdrLen := hdrLen + packetNumberLength
-		data := b[extHdrLen : int(packetLen)+hdrLen]
 		decrypted, err := cipher.Open(b[extHdrLen:extHdrLen], nonce, data, b[:extHdrLen])
 		if err != nil {
 			return nil, err
 		}
 		buffer = buf.FromBytes(decrypted)
-		for !buffer.IsEmpty() {
+		for i := 0; !buffer.IsEmpty(); i++ {
-			frameType, _ := buffer.ReadByte()
+			frameType := byte(0x0) // Default to PADDING frame
 			for frameType == 0x0 && !buffer.IsEmpty() {
 				frameType, _ = buffer.ReadByte()
 			}
@@ -220,15 +221,16 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 				if err != nil || length > uint64(buffer.Len()) {
 					return nil, io.ErrUnexpectedEOF
 				}
-				currentCryptoLen := int32(offset + length)
+				if cryptoLen < int(offset+length) {
-				if cryptoLen < currentCryptoLen {
+					cryptoLen = int(offset + length)
-					if cryptoDataBuf.Cap() < currentCryptoLen {
+					if len(cryptoData) < cryptoLen {
-						return nil, io.ErrShortBuffer
+						newCryptoData := bytespool.Alloc(int32(cryptoLen))
+						copy(newCryptoData, cryptoData)
+						bytespool.Free(cryptoData)
+						cryptoData = newCryptoData
 					}
-					cryptoDataBuf.Extend(currentCryptoLen - cryptoLen)
-					cryptoLen = currentCryptoLen
 				}
-				if _, err := buffer.Read(cryptoDataBuf.BytesRange(int32(offset), currentCryptoLen)); err != nil { // Field: Crypto Data
+				if _, err := buffer.Read(cryptoData[offset : offset+length]); err != nil { // Field: Crypto Data
 					return nil, io.ErrUnexpectedEOF
 				}
 			case 0x1c: // CONNECTION_CLOSE frame, only 0x1c is permitted in initial packet
@@ -253,7 +255,7 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 		}
 
 		tlsHdr := &ptls.SniffHeader{}
-		err = ptls.ReadClientHello(cryptoDataBuf.BytesRange(0, cryptoLen), tlsHdr)
+		err = ptls.ReadClientHello(cryptoData[:cryptoLen], tlsHdr)
 		if err != nil {
 			// The crypto data may have not been fully recovered in current packets,
 			// So we continue to sniff rest packets.
@@ -262,8 +264,7 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 		}
 		return &SniffHeader{domain: tlsHdr.Domain()}, nil
 	}
-	// All payload is parsed as valid QUIC packets, but we need more packets for crypto data to read client hello.
+	return nil, common.ErrNoClue
-	return nil, protocol.ErrProtoNeedMoreData
 }
 
 func hkdfExpandLabel(hash crypto.Hash, secret, context []byte, label string, length int) []byte {