v1.8.4

e426190d57

.github/build/friendly-filenames.json

@@ -22,6 +22,7 @@
   "linux-ppc64le": { "friendlyName": "linux-ppc64le" },
   "linux-ppc64": { "friendlyName": "linux-ppc64" },
   "linux-riscv64": { "friendlyName": "linux-riscv64" },
+  "linux-loong64": { "friendlyName": "linux-loong64" },
   "linux-s390x": { "friendlyName": "linux-s390x" },
   "openbsd-386": { "friendlyName": "openbsd-32" },
   "openbsd-amd64": { "friendlyName": "openbsd-64" },
@@ -31,4 +32,4 @@
   "windows-amd64": { "friendlyName": "windows-64" },
   "windows-arm64": { "friendlyName": "windows-arm64-v8a" },
   "windows-arm7": { "friendlyName": "windows-arm32-v7a" }
-}
+}

.github/docker/Dockerfile

@@ -0,0 +1,22 @@
+# syntax=docker/dockerfile:1
+FROM --platform=$BUILDPLATFORM golang:alpine AS build
+WORKDIR /src
+COPY . .
+ARG TARGETOS TARGETARCH
+RUN GOOS=$TARGETOS GOARCH=$TARGETARCH CGO_ENABLED=0 go build -o xray -trimpath -ldflags "-s -w -buildid=" ./main
+
+FROM --platform=${TARGETPLATFORM} alpine:latest
+WORKDIR /root
+COPY .github/docker/files/config.json /etc/xray/config.json
+COPY --from=build /src/xray /usr/bin/xray
+RUN set -ex \
+	&& apk add --no-cache tzdata ca-certificates \
+	&& mkdir -p /var/log/xray /usr/share/xray \
+    && chmod +x /usr/bin/xray \
+	&& wget -O /usr/share/xray/geosite.dat https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat \
+	&& wget -O /usr/share/xray/geoip.dat https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geoip.dat
+
+VOLUME /etc/xray
+ENV TZ=Asia/Shanghai
+ENTRYPOINT [ "/usr/bin/xray" ]
+CMD [ "-config", "/etc/xray/config.json" ]

.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

@@ -0,0 +1,45 @@
+name: Build docker image
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-image:
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+    steps:
+      - uses: actions/checkout@v3
+      - name: Docker metadata
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ghcr.io/${{ github.repository_owner }}/xray-core
+          flavor: latest=true
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - # Add support for more platforms with QEMU (optional)
+        # https://github.com/docker/setup-qemu-action
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          file: .github/docker/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/release.yml

@@ -20,7 +20,51 @@ on:
       - "go.sum"
       - ".github/workflows/*.yml"
 jobs:
+  prepare:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Restore Cache
+        uses: actions/cache/restore@v3
+        with:
+          path: resources
+          key: xray-geodat-
+
+      - name: Update Geodat
+        id: update
+        uses: nick-fields/retry@v2
+        with:
+          timeout_minutes: 60
+          retry_wait_seconds: 60
+          max_attempts: 60
+          command: |
+            [ -d 'resources' ] || mkdir resources
+            LIST=('geoip geoip geoip' 'domain-list-community dlc geosite')
+            for i in "${LIST[@]}"
+            do
+              INFO=($(echo $i | awk 'BEGIN{FS=" ";OFS=" "} {print $1,$2,$3}'))
+              FILE_NAME="${INFO[2]}.dat"
+              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 "Downloading https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.dat..."
+                  curl -L "https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.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 Cache
+        uses: actions/cache/save@v3
+        if: ${{ steps.update.outputs.unhit }}
+        with:
+          path: resources
+          key: xray-geodat-${{ github.sha }}-${{ github.run_number }}
+
   build:
+    needs: prepare
     permissions:
       contents: write
     strategy:
@@ -61,12 +105,14 @@ jobs:
             goarch: arm
             goarm: 7
           # BEGIN Other architectures
-          # BEGIN riscv64 & ARM64
+          # BEGIN riscv64 & ARM64 & LOONG64
           - goos: linux
             goarch: arm64
           - goos: linux
             goarch: riscv64
-          # END riscv64 & ARM64
+          - goos: linux
+            goarch: loong64
+          # END riscv64 & ARM64 & LOONG64
           # BEGIN MIPS
           - goos: linux
             goarch: mips64
@@ -115,17 +161,15 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Show workflow information 
-        id: get_filename
         run: |
           export _NAME=$(jq ".[\"$GOOS-$GOARCH$GOARM$GOMIPS\"].friendlyName" -r < .github/build/friendly-filenames.json)
           echo "GOOS: $GOOS, GOARCH: $GOARCH, GOARM: $GOARM, GOMIPS: $GOMIPS, RELEASE_NAME: $_NAME"
-          echo "::set-output name=ASSET_NAME::$_NAME"
           echo "ASSET_NAME=$_NAME" >> $GITHUB_ENV
 
       - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v4
         with:
-          go-version: 1.18
+          go-version: '1.21'
           check-latest: true
 
       - name: Get project dependencies
@@ -162,31 +206,26 @@ jobs:
           cd ./build_assets || exit 1
           mv xray xray.exe
 
-      - name: Prepare to release
+      - name: Restore Cache
+        uses: actions/cache/restore@v3
+        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 ${GITHUB_WORKSPACE}/LICENSE ./build_assets/LICENSE
-          LIST=('geoip geoip geoip' 'domain-list-community dlc geosite')
-          for i in "${LIST[@]}"
-          do
-            INFO=($(echo $i | awk 'BEGIN{FS=" ";OFS=" "} {print $1,$2,$3}'))
-            LASTEST_TAG="$(curl -sL "https://api.github.com/repos/v2fly/${INFO[0]}/releases" | jq -r ".[0].tag_name" || echo "latest")"
-            FILE_NAME="${INFO[2]}.dat"
-            echo -e "Downloading ${FILE_NAME}..."
-            curl -L "https://github.com/v2fly/${INFO[0]}/releases/download/${LASTEST_TAG}/${INFO[1]}.dat" -o ./build_assets/${FILE_NAME}
-            echo -e "Verifying HASH key..."
-            HASH="$(curl -sL "https://github.com/v2fly/${INFO[0]}/releases/download/${LASTEST_TAG}/${INFO[1]}.dat.sha256sum" | awk -F ' ' '{print $1}')"
-            [ "$(sha256sum "./build_assets/${FILE_NAME}" | awk -F ' ' '{print $1}')" == "${HASH}" ] || { echo -e "The HASH key of ${FILE_NAME} does not match cloud one."; exit 1; }
-          done
 
       - name: Create ZIP archive
         shell: bash
         run: |
           pushd build_assets || exit 1
           touch -mt $(date +%Y01010000) *
-          zip -9vr ../Xray-$ASSET_NAME.zip .
+          zip -9vr ../Xray-${{ env.ASSET_NAME }}.zip .
           popd || exit 1
-          FILE=./Xray-$ASSET_NAME.zip
+          FILE=./Xray-${{ env.ASSET_NAME }}.zip
           DGST=$FILE.dgst
           for METHOD in {"md5","sha1","sha256","sha512"}
           do
@@ -195,20 +234,20 @@ jobs:
 
       - name: Change the name
         run: |
-          mv build_assets Xray-$ASSET_NAME
+          mv build_assets Xray-${{ env.ASSET_NAME }}
 
       - name: Upload files to Artifacts
         uses: actions/upload-artifact@v3
         with:
-          name: Xray-${{ steps.get_filename.outputs.ASSET_NAME }}
+          name: Xray-${{ env.ASSET_NAME }}
           path: |
-            ./Xray-${{ steps.get_filename.outputs.ASSET_NAME }}/*
+            ./Xray-${{ env.ASSET_NAME }}/*
 
       - name: Upload binaries to release
         uses: svenstaro/upload-release-action@v2
         if: github.event_name == 'release'
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
-          file: ./Xray-${{ steps.get_filename.outputs.ASSET_NAME }}.zip*
+          file: ./Xray-${{ env.ASSET_NAME }}.zip*
           tag: ${{ github.ref }}
           file_glob: true

.github/workflows/test.yml

@@ -28,24 +28,17 @@ jobs:
         os: [windows-latest, ubuntu-latest, macos-latest]
     steps:
       - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v4
         with:
-          go-version: 1.18
+          go-version: '1.21'
           check-latest: true
       - name: Checkout codebase
         uses: actions/checkout@v3
-
-      - name: Prepare geo*dat
-        if: ${{ matrix.os != 'windows-latest' }}
-        run: |
-          mkdir resources
-          wget -O ./resources/geoip.dat https://github.com/v2fly/geoip/releases/latest/download/geoip.dat
-          wget -O ./resources/geosite.dat https://github.com/v2fly/domain-list-community/releases/latest/download/dlc.dat
-      - name: Prepare geo*dat for Windows
-        if: ${{ matrix.os == 'windows-latest' }}
-        run: |
-          mkdir resources
-          Invoke-WebRequest -Uri "https://github.com/v2fly/geoip/releases/latest/download/geoip.dat" -OutFile "./resources/geoip.dat"
-          Invoke-WebRequest -Uri "https://github.com/v2fly/domain-list-community/releases/latest/download/dlc.dat" -OutFile "./resources/geosite.dat"
+      - name: Restore Cache
+        uses: actions/cache/restore@v3
+        with:
+          path: resources
+          key: xray-geodat-
+          enableCrossOsArchive: true
       - name: Test
         run: go test -timeout 1h -v ./...

README.md

@@ -1,78 +1,122 @@
 # Project X
 
-[Project X](https://github.com/XTLS) originates from XTLS protocol, provides a set of network tools such as [Xray-core](https://github.com/XTLS/Xray-core).
+[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).
 
 ## License
 
 [Mozilla Public License Version 2.0](https://github.com/XTLS/Xray-core/blob/main/LICENSE)
 
+## Documentation
+
+[Project X Official Website](https://xtls.github.io)
+
+## Telegram
+
+[Project X](https://t.me/projectXray)
+
+[Project X Channel](https://t.me/projectXtls)
+
 ## Installation
 
 - Linux Script
-  - [Xray-install](https://github.com/XTLS/Xray-install)
-  - [Xray-script](https://github.com/kirin10000/Xray-script)
+  - [XTLS/Xray-install](https://github.com/XTLS/Xray-install)
 - Docker
+  - [iamybj/docker-xray](https://hub.docker.com/r/iamybj/docker-xray)
   - [teddysun/xray](https://hub.docker.com/r/teddysun/xray)
+- Web Panel
+  - [X-UI](https://github.com/FranzKafkaYu/x-ui), [X-UI-English](https://github.com/NidukaAkalanka/x-ui-english), [3X-UI](https://github.com/MHSanaei/3x-ui), [X-UI](https://github.com/alireza0/x-ui), [X-UI](https://github.com/diditra/x-ui)
+  - [Xray-UI](https://github.com/qist/xray-ui), [X-UI](https://github.com/sing-web/x-ui)
+  - [Hiddify](https://github.com/hiddify/hiddify-config)
+  - [Marzban](https://github.com/Gozargah/Marzban)
+  - [Libertea](https://github.com/VZiChoushaDui/Libertea)
 - One Click
-  - [ProxySU](https://github.com/proxysu/ProxySU)
-  - [v2ray-agent](https://github.com/mack-a/v2ray-agent)
-  - [Xray-yes](https://github.com/jiuqi9997/Xray-yes)
-  - [Xray_onekey](https://github.com/wulabing/Xray_onekey)
+  - [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-script](https://github.com/kirin10000/Xray-script), [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/CerteKim/Xray4Magisk)
+  - [Xray4Magisk](https://github.com/Asterisk4Magisk/Xray4Magisk)
   - [Xray_For_Magisk](https://github.com/E7KMbb/Xray_For_Magisk)
 - Homebrew
   - `brew install xray`
-  - [(Tap) Repository 0](https://github.com/N4FA/homebrew-xray)
-  - [(Tap) Repository 1](https://github.com/xiruizhao/homebrew-xray)
-
-## Contributing
-[Code Of Conduct](https://github.com/XTLS/Xray-core/blob/main/CODE_OF_CONDUCT.md)
 
 ## Usage
 
-[Xray-examples](https://github.com/XTLS/Xray-examples) / [VLESS-TCP-XTLS-WHATEVER](https://github.com/XTLS/Xray-examples/tree/main/VLESS-TCP-XTLS-WHATEVER)
+- Example
+  - [VLESS-XTLS-uTLS-REALITY](https://github.com/XTLS/REALITY#readme)
+  - [VLESS-TCP-XTLS-Vision](https://github.com/XTLS/Xray-examples/tree/main/VLESS-TCP-XTLS-Vision)
+  - [All-in-One-fallbacks-Nginx](https://github.com/XTLS/Xray-examples/tree/main/All-in-One-fallbacks-Nginx)
+- Xray-examples
+  - [XTLS/Xray-examples](https://github.com/XTLS/Xray-examples)
+  - [chika0801/Xray-examples](https://github.com/chika0801/Xray-examples)
+  - [lxhao61/integrated-examples](https://github.com/lxhao61/integrated-examples)
+- Tutorial
+  - [XTLS Vision](https://github.com/chika0801/Xray-install)
+  - [REALITY (English)](https://cscot.pages.dev/2023/03/02/Xray-REALITY-tutorial/)
+  - [XTLS-Iran-Reality (English)](https://github.com/SasukeFreestyle/XTLS-Iran-Reality)
+  - [Xray REALITY with 'steal oneself' (English)](https://computerscot.github.io/vless-xtls-utls-reality-steal-oneself.html)
 
 ## GUI Clients
 
 - OpenWrt
-  - [PassWall](https://github.com/xiaorouji/openwrt-passwall)
-  - [Hello World](https://github.com/jerrykuku/luci-app-vssr)
+  - [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))
 - Windows
   - [v2rayN](https://github.com/2dust/v2rayN)
-  - [Qv2ray](https://github.com/Qv2ray/Qv2ray) (This project had been archived and currently inactive)
-  - [Netch (NetFilter & TUN/TAP)](https://github.com/NetchX/Netch) (This project had been archived and currently inactive)
+  - [NekoRay](https://github.com/Matsuridayo/nekoray)
+  - [Furious](https://github.com/LorenEteval/Furious)
+  - [HiddifyN](https://github.com/hiddify/HiddifyN)
+  - [Invisible Man - Xray](https://github.com/InvisibleManVPN/InvisibleMan-XRayClient)
 - Android
   - [v2rayNG](https://github.com/2dust/v2rayNG)
-  - [Kitsunebi](https://github.com/rurirei/Kitsunebi/tree/release_xtls)
-- iOS & macOS (with M1 chip)
-  - [Shadowrocket](https://apps.apple.com/app/shadowrocket/id932747118)
-  - [Stash](https://apps.apple.com/app/stash/id1596063349)
-- macOS (Intel chip & M1 chip)
-  - [Qv2ray](https://github.com/Qv2ray/Qv2ray) (This project had been archived and currently inactive)
+  - [HiddifyNG](https://github.com/hiddify/HiddifyNG)
+  - [X-flutter](https://github.com/XTLS/X-flutter)
+- iOS & macOS arm64
+  - [Mango](https://github.com/arror/Mango)
+  - [FoXray](https://apps.apple.com/app/foxray/id6448898396)
+- macOS arm64 & x64
+  - [V2rayU](https://github.com/yanue/V2rayU)
   - [V2RayXS](https://github.com/tzmax/V2RayXS)
+  - [Furious](https://github.com/LorenEteval/Furious)
+  - [FoXray](https://apps.apple.com/app/foxray/id6448898396)
+- Linux
+  - [v2rayA](https://github.com/v2rayA/v2rayA)
+  - [NekoRay](https://github.com/Matsuridayo/nekoray)
+  - [Furious](https://github.com/LorenEteval/Furious)
+
+## Others that support VLESS, XTLS, REALITY, XUDP, PLUX...
+
+- iOS & macOS arm64
+  - [Shadowrocket](https://apps.apple.com/app/shadowrocket/id932747118)
+- Xray Wrapper
+  - [XTLS/libXray](https://github.com/XTLS/libXray)
+  - [xtlsapi](https://github.com/hiddify/xtlsapi)
+  - [AndroidLibXrayLite](https://github.com/2dust/AndroidLibXrayLite)
+  - [XrayKit](https://github.com/arror/XrayKit)
+  - [Xray-core-python](https://github.com/LorenEteval/Xray-core-python)
+- [XrayR](https://github.com/XrayR-project/XrayR)
+  - [XrayR-release](https://github.com/XrayR-project/XrayR-release)
+  - [XrayR-V2Board](https://github.com/missuo/XrayR-V2Board)
+- [Clash.Meta](https://github.com/MetaCubeX/Clash.Meta)
+  - [Clash Verge](https://github.com/zzzgydi/clash-verge)
+  - [clashN](https://github.com/2dust/clashN)
+  - [Clash Meta for Android](https://github.com/MetaCubeX/ClashMetaForAndroid)
+  - [meta_for_ios](https://t.me/meta_for_ios)
+- [sing-box](https://github.com/SagerNet/sing-box)
+  - [installReality](https://github.com/BoxXt/installReality)
+  - [sbox-reality](https://github.com/Misaka-blog/sbox-reality)
+  - [sing-box-for-ios](https://github.com/SagerNet/sing-box-for-ios)
+
+## Contributing
+
+[Code of Conduct](https://github.com/XTLS/Xray-core/blob/main/CODE_OF_CONDUCT.md)
 
 ## Credits
 
-This repo relies on the following third-party projects:
-
-- Special thanks:
-  - [v2fly/v2ray-core](https://github.com/v2fly/v2ray-core)
-- In production:
-  - [ghodss/yaml](https://github.com/ghodss/yaml)
-  - [gorilla/websocket](https://github.com/gorilla/websocket)
-  - [lucas-clemente/quic-go](https://github.com/lucas-clemente/quic-go)
-  - [pelletier/go-toml](https://github.com/pelletier/go-toml)
-  - [pires/go-proxyproto](https://github.com/pires/go-proxyproto)
-  - [refraction-networking/utls](https://github.com/refraction-networking/utls)
-  - [seiflotfy/cuckoofilter](https://github.com/seiflotfy/cuckoofilter)
-  - [google/starlark-go](https://github.com/google/starlark-go)
-- For testing only:
-  - [miekg/dns](https://github.com/miekg/dns)
-  - [stretchr/testify](https://github.com/stretchr/testify)
-  - [h12w/socks](https://github.com/h12w/socks)
+- [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).
 
 ## Compilation
 
@@ -88,12 +132,6 @@ go build -o xray.exe -trimpath -ldflags "-s -w -buildid=" ./main
 go build -o xray -trimpath -ldflags "-s -w -buildid=" ./main
 ```
 
-## Telegram
-
-[Project X](https://t.me/projectXray)
-
-[Project X Channel](https://t.me/projectXtls)
-
 ## Stargazers over time
 
 [![Stargazers over time](https://starchart.cc/XTLS/Xray-core.svg)](https://starchart.cc/XTLS/Xray-core)

app/commander/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/commander/config.proto
 
 package commander

app/dispatcher/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/dispatcher/config.proto
 
 package dispatcher

app/dispatcher/default.go

@@ -4,7 +4,6 @@ package dispatcher
 
 import (
 	"context"
-	"fmt"
 	"strings"
 	"sync"
 	"time"
@@ -135,77 +134,10 @@ func (*DefaultDispatcher) Start() error {
 // Close implements common.Closable.
 func (*DefaultDispatcher) Close() error { return nil }
 
-func (d *DefaultDispatcher) getLink(ctx context.Context, network net.Network, sniffing session.SniffingRequest) (*transport.Link, *transport.Link) {
-	downOpt := pipe.OptionsFromContext(ctx)
-	upOpt := downOpt
-
-	if network == net.Network_UDP {
-		var ip2domain *sync.Map // net.IP.String() => domain, this map is used by server side when client turn on fakedns
-		// Client will send domain address in the buffer.UDP.Address, server record all possible target IP addrs.
-		// When target replies, server will restore the domain and send back to client.
-		// Note: this map is not global but per connection context
-		upOpt = append(upOpt, pipe.OnTransmission(func(mb buf.MultiBuffer) buf.MultiBuffer {
-			for i, buffer := range mb {
-				if buffer.UDP == nil {
-					continue
-				}
-				addr := buffer.UDP.Address
-				if addr.Family().IsIP() {
-					if fkr0, ok := d.fdns.(dns.FakeDNSEngineRev0); ok && fkr0.IsIPInIPPool(addr) && sniffing.Enabled {
-						domain := fkr0.GetDomainFromFakeDNS(addr)
-						if len(domain) > 0 {
-							buffer.UDP.Address = net.DomainAddress(domain)
-							newError("[fakedns client] override with domain: ", domain, " for xUDP buffer at ", i).WriteToLog(session.ExportIDToError(ctx))
-						} else {
-							newError("[fakedns client] failed to find domain! :", addr.String(), " for xUDP buffer at ", i).AtWarning().WriteToLog(session.ExportIDToError(ctx))
-						}
-					}
-				} else {
-					if ip2domain == nil {
-						ip2domain = new(sync.Map)
-						newError("[fakedns client] create a new map").WriteToLog(session.ExportIDToError(ctx))
-					}
-					domain := addr.Domain()
-					ips, err := d.dns.LookupIP(domain, dns.IPOption{true, true, false})
-					if err == nil {
-						for _, ip := range ips {
-							ip2domain.Store(ip.String(), domain)
-						}
-						newError("[fakedns client] candidate ip: "+fmt.Sprintf("%v", ips), " for xUDP buffer at ", i).WriteToLog(session.ExportIDToError(ctx))
-					} else {
-						newError("[fakedns client] failed to look up IP for ", domain, " for xUDP buffer at ", i).Base(err).WriteToLog(session.ExportIDToError(ctx))
-					}
-				}
-			}
-			return mb
-		}))
-		downOpt = append(downOpt, pipe.OnTransmission(func(mb buf.MultiBuffer) buf.MultiBuffer {
-			for i, buffer := range mb {
-				if buffer.UDP == nil {
-					continue
-				}
-				addr := buffer.UDP.Address
-				if addr.Family().IsIP() {
-					if ip2domain == nil {
-						continue
-					}
-					if domain, found := ip2domain.Load(addr.IP().String()); found {
-						buffer.UDP.Address = net.DomainAddress(domain.(string))
-						newError("[fakedns client] restore domain: ", domain.(string), " for xUDP buffer at ", i).WriteToLog(session.ExportIDToError(ctx))
-					}
-				} else {
-					if fkr0, ok := d.fdns.(dns.FakeDNSEngineRev0); ok {
-						fakeIp := fkr0.GetFakeIPForDomain(addr.Domain())
-						buffer.UDP.Address = fakeIp[0]
-						newError("[fakedns client] restore FakeIP: ", buffer.UDP, fmt.Sprintf("%v", fakeIp), " for xUDP buffer at ", i).WriteToLog(session.ExportIDToError(ctx))
-					}
-				}
-			}
-			return mb
-		}))
-	}
-	uplinkReader, uplinkWriter := pipe.New(upOpt...)
-	downlinkReader, downlinkWriter := pipe.New(downOpt...)
+func (d *DefaultDispatcher) getLink(ctx context.Context) (*transport.Link, *transport.Link) {
+	opt := pipe.OptionsFromContext(ctx)
+	uplinkReader, uplinkWriter := pipe.New(opt...)
+	downlinkReader, downlinkWriter := pipe.New(opt...)
 
 	inboundLink := &transport.Link{
 		Reader: downlinkReader,
@@ -263,7 +195,7 @@ func (d *DefaultDispatcher) shouldOverride(ctx context.Context, result SniffResu
 		protocolString = resComp.ProtocolForDomainResult()
 	}
 	for _, p := range request.OverrideDestinationForProtocol {
-		if strings.HasPrefix(protocolString, p) {
+		if strings.HasPrefix(protocolString, p) || strings.HasPrefix(protocolString, p) {
 			return true
 		}
 		if fkr0, ok := d.fdns.(dns.FakeDNSEngineRev0); ok && protocolString != "bittorrent" && p == "fakedns" &&
@@ -287,7 +219,8 @@ func (d *DefaultDispatcher) Dispatch(ctx context.Context, destination net.Destin
 		panic("Dispatcher: Invalid destination.")
 	}
 	ob := &session.Outbound{
-		Target: destination,
+		OriginalTarget: destination,
+		Target:         destination,
 	}
 	ctx = session.ContextWithOutbound(ctx, ob)
 	content := session.ContentFromContext(ctx)
@@ -295,9 +228,8 @@ func (d *DefaultDispatcher) Dispatch(ctx context.Context, destination net.Destin
 		content = new(session.Content)
 		ctx = session.ContextWithContent(ctx, content)
 	}
-
 	sniffingRequest := content.SniffingRequest
-	inbound, outbound := d.getLink(ctx, destination.Network, sniffingRequest)
+	inbound, outbound := d.getLink(ctx)
 	if !sniffingRequest.Enabled {
 		go d.routedDispatch(ctx, outbound, destination)
 	} else {
@@ -314,7 +246,15 @@ func (d *DefaultDispatcher) Dispatch(ctx context.Context, destination net.Destin
 				domain := result.Domain()
 				newError("sniffed domain: ", domain).WriteToLog(session.ExportIDToError(ctx))
 				destination.Address = net.ParseAddress(domain)
-				if sniffingRequest.RouteOnly && result.Protocol() != "fakedns" {
+				protocol := result.Protocol()
+				if resComp, ok := result.(SnifferResultComposite); ok {
+					protocol = resComp.ProtocolForDomainResult()
+				}
+				isFakeIP := false
+				if fkr0, ok := d.fdns.(dns.FakeDNSEngineRev0); ok && ob.Target.Address.Family().IsIP() && fkr0.IsIPInIPPool(ob.Target.Address) {
+					isFakeIP = true
+				}
+				if sniffingRequest.RouteOnly && protocol != "fakedns" && protocol != "fakedns+others" && !isFakeIP {
 					ob.RouteTarget = destination
 				} else {
 					ob.Target = destination
@@ -332,7 +272,8 @@ func (d *DefaultDispatcher) DispatchLink(ctx context.Context, destination net.De
 		return newError("Dispatcher: Invalid destination.")
 	}
 	ob := &session.Outbound{
-		Target: destination,
+		OriginalTarget: destination,
+		Target:         destination,
 	}
 	ctx = session.ContextWithOutbound(ctx, ob)
 	content := session.ContentFromContext(ctx)
@@ -342,29 +283,35 @@ func (d *DefaultDispatcher) DispatchLink(ctx context.Context, destination net.De
 	}
 	sniffingRequest := content.SniffingRequest
 	if !sniffingRequest.Enabled {
-		go d.routedDispatch(ctx, outbound, destination)
+		d.routedDispatch(ctx, outbound, destination)
 	} else {
-		go func() {
-			cReader := &cachedReader{
-				reader: outbound.Reader.(*pipe.Reader),
+		cReader := &cachedReader{
+			reader: outbound.Reader.(*pipe.Reader),
+		}
+		outbound.Reader = cReader
+		result, err := sniffer(ctx, cReader, sniffingRequest.MetadataOnly, destination.Network)
+		if err == nil {
+			content.Protocol = result.Protocol()
+		}
+		if err == nil && d.shouldOverride(ctx, result, sniffingRequest, destination) {
+			domain := result.Domain()
+			newError("sniffed domain: ", domain).WriteToLog(session.ExportIDToError(ctx))
+			destination.Address = net.ParseAddress(domain)
+			protocol := result.Protocol()
+			if resComp, ok := result.(SnifferResultComposite); ok {
+				protocol = resComp.ProtocolForDomainResult()
 			}
-			outbound.Reader = cReader
-			result, err := sniffer(ctx, cReader, sniffingRequest.MetadataOnly, destination.Network)
-			if err == nil {
-				content.Protocol = result.Protocol()
+			isFakeIP := false
+			if fkr0, ok := d.fdns.(dns.FakeDNSEngineRev0); ok && ob.Target.Address.Family().IsIP() && fkr0.IsIPInIPPool(ob.Target.Address) {
+				isFakeIP = true
 			}
-			if err == nil && d.shouldOverride(ctx, result, sniffingRequest, destination) {
-				domain := result.Domain()
-				newError("sniffed domain: ", domain).WriteToLog(session.ExportIDToError(ctx))
-				destination.Address = net.ParseAddress(domain)
-				if sniffingRequest.RouteOnly && result.Protocol() != "fakedns" {
-					ob.RouteTarget = destination
-				} else {
-					ob.Target = destination
-				}
+			if sniffingRequest.RouteOnly && protocol != "fakedns" && protocol != "fakedns+others" && !isFakeIP {
+				ob.RouteTarget = destination
+			} else {
+				ob.Target = destination
 			}
-			d.routedDispatch(ctx, outbound, destination)
-		}()
+		}
+		d.routedDispatch(ctx, outbound, destination)
 	}
 
 	return nil

app/dns/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/dns/config.proto
 
 package dns
@@ -219,14 +219,14 @@ type Config struct {
 	// the moment. A special value 'localhost' as a domain address can be set to
 	// use DNS on local system.
 	//
-	// Deprecated: Do not use.
+	// Deprecated: Marked as deprecated in app/dns/config.proto.
 	NameServers []*net.Endpoint `protobuf:"bytes,1,rep,name=NameServers,proto3" json:"NameServers,omitempty"`
 	// NameServer list used by this DNS client.
 	NameServer []*NameServer `protobuf:"bytes,5,rep,name=name_server,json=nameServer,proto3" json:"name_server,omitempty"`
 	// Static hosts. Domain to IP.
 	// Deprecated. Use static_hosts.
 	//
-	// Deprecated: Do not use.
+	// Deprecated: Marked as deprecated in app/dns/config.proto.
 	Hosts map[string]*net.IPOrDomain `protobuf:"bytes,2,rep,name=Hosts,proto3" json:"Hosts,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 	// Client IP for EDNS client subnet. Must be 4 bytes (IPv4) or 16 bytes
 	// (IPv6).
@@ -273,7 +273,7 @@ func (*Config) Descriptor() ([]byte, []int) {
 	return file_app_dns_config_proto_rawDescGZIP(), []int{1}
 }
 
-// Deprecated: Do not use.
+// Deprecated: Marked as deprecated in app/dns/config.proto.
 func (x *Config) GetNameServers() []*net.Endpoint {
 	if x != nil {
 		return x.NameServers
@@ -288,7 +288,7 @@ func (x *Config) GetNameServer() []*NameServer {
 	return nil
 }
 
-// Deprecated: Do not use.
+// Deprecated: Marked as deprecated in app/dns/config.proto.
 func (x *Config) GetHosts() map[string]*net.IPOrDomain {
 	if x != nil {
 		return x.Hosts

app/dns/dns.go

@@ -215,7 +215,7 @@ func (s *DNS) LookupIP(domain string, option dns.IPOption) ([]net.IP, error) {
 			newError("failed to lookup ip for domain ", domain, " at server ", client.Name()).Base(err).WriteToLog()
 			errs = append(errs, err)
 		}
-		if err != context.Canceled && err != context.DeadlineExceeded && err != errExpectedIPNonMatch {
+		if err != context.Canceled && err != context.DeadlineExceeded && err != errExpectedIPNonMatch && err != dns.ErrEmptyResponse {
 			return nil, err
 		}
 	}

app/dns/dns_test.go

@@ -13,6 +13,7 @@ import (
 	_ "github.com/xtls/xray-core/app/proxyman/outbound"
 	"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"
 	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/core"
@@ -260,7 +261,7 @@ func TestUDPServer(t *testing.T) {
 			IPv6Enable: true,
 			FakeEnable: false,
 		})
-		if err != feature_dns.ErrEmptyResponse {
+		if !errors.AllEqual(feature_dns.ErrEmptyResponse, errors.Cause(err)) {
 			t.Fatal("error: ", err)
 		}
 		if len(ips) != 0 {

app/dns/dnscommon.go

@@ -7,8 +7,8 @@ import (
 	"time"
 
 	"github.com/xtls/xray-core/common"
-	"github.com/xtls/xray-core/common/log"
 	"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/session"
 	"github.com/xtls/xray-core/core"

app/dns/fakedns/fakedns.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/dns/fakedns/fakedns.proto
 
 package fakedns

app/dns/nameserver_quic.go

@@ -7,7 +7,7 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/lucas-clemente/quic-go"
+	"github.com/quic-go/quic-go"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/log"
@@ -373,8 +373,8 @@ func (s *QUICNameServer) openConnection() (quic.Connection, error) {
 	quicConfig := &quic.Config{
 		HandshakeIdleTimeout: handshakeTimeout,
 	}
-
-	conn, err := quic.DialAddrContext(context.Background(), s.destination.NetAddr(), tlsConfig.GetTLSConfig(tls.WithNextProto("http/1.1", http2.NextProtoTLS, NextProtoDQ)), quicConfig)
+	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)
 	log.Record(&log.AccessMessage{
 		From:   "DNS",
 		To:     s.destination,

app/log/command/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/log/command/config.proto
 
 package command

app/log/command/config_grpc.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.2.0
-// - protoc             v3.18.0
+// - protoc-gen-go-grpc v1.3.0
+// - protoc             v4.23.1
 // source: app/log/command/config.proto
 
 package command
@@ -18,6 +18,10 @@ import (
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
+const (
+	LoggerService_RestartLogger_FullMethodName = "/xray.app.log.command.LoggerService/RestartLogger"
+)
+
 // LoggerServiceClient is the client API for LoggerService service.
 //
 // 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.
@@ -35,7 +39,7 @@ func NewLoggerServiceClient(cc grpc.ClientConnInterface) LoggerServiceClient {
 
 func (c *loggerServiceClient) RestartLogger(ctx context.Context, in *RestartLoggerRequest, opts ...grpc.CallOption) (*RestartLoggerResponse, error) {
 	out := new(RestartLoggerResponse)
-	err := c.cc.Invoke(ctx, "/xray.app.log.command.LoggerService/RestartLogger", in, out, opts...)
+	err := c.cc.Invoke(ctx, LoggerService_RestartLogger_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -80,7 +84,7 @@ func _LoggerService_RestartLogger_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/xray.app.log.command.LoggerService/RestartLogger",
+		FullMethod: LoggerService_RestartLogger_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(LoggerServiceServer).RestartLogger(ctx, req.(*RestartLoggerRequest))

app/log/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/log/config.proto
 
 package log

app/metrics/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.28.0
-// 	protoc        v3.19.4
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/metrics/config.proto
 
 package metrics

app/observatory/command/command.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/observatory/command/command.proto
 
 package command

app/observatory/command/command_grpc.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.2.0
-// - protoc             v3.18.0
+// - protoc-gen-go-grpc v1.3.0
+// - protoc             v4.23.1
 // source: app/observatory/command/command.proto
 
 package command
@@ -18,6 +18,10 @@ import (
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
+const (
+	ObservatoryService_GetOutboundStatus_FullMethodName = "/xray.core.app.observatory.command.ObservatoryService/GetOutboundStatus"
+)
+
 // ObservatoryServiceClient is the client API for ObservatoryService service.
 //
 // 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.
@@ -35,7 +39,7 @@ func NewObservatoryServiceClient(cc grpc.ClientConnInterface) ObservatoryService
 
 func (c *observatoryServiceClient) GetOutboundStatus(ctx context.Context, in *GetOutboundStatusRequest, opts ...grpc.CallOption) (*GetOutboundStatusResponse, error) {
 	out := new(GetOutboundStatusResponse)
-	err := c.cc.Invoke(ctx, "/xray.core.app.observatory.command.ObservatoryService/GetOutboundStatus", in, out, opts...)
+	err := c.cc.Invoke(ctx, ObservatoryService_GetOutboundStatus_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -80,7 +84,7 @@ func _ObservatoryService_GetOutboundStatus_Handler(srv interface{}, ctx context.
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/xray.core.app.observatory.command.ObservatoryService/GetOutboundStatus",
+		FullMethod: ObservatoryService_GetOutboundStatus_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ObservatoryServiceServer).GetOutboundStatus(ctx, req.(*GetOutboundStatusRequest))

app/observatory/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/observatory/config.proto
 
 package observatory
@@ -73,23 +73,23 @@ type OutboundStatus struct {
 	unknownFields protoimpl.UnknownFields
 
 	// @Document Whether this outbound is usable
-	//@Restriction ReadOnlyForUser
+	// @Restriction ReadOnlyForUser
 	Alive bool `protobuf:"varint,1,opt,name=alive,proto3" json:"alive,omitempty"`
 	// @Document The time for probe request to finish.
-	//@Type time.ms
-	//@Restriction ReadOnlyForUser
+	// @Type time.ms
+	// @Restriction ReadOnlyForUser
 	Delay int64 `protobuf:"varint,2,opt,name=delay,proto3" json:"delay,omitempty"`
 	// @Document The last error caused this outbound failed to relay probe request
-	//@Restriction NotMachineReadable
+	// @Restriction NotMachineReadable
 	LastErrorReason string `protobuf:"bytes,3,opt,name=last_error_reason,json=lastErrorReason,proto3" json:"last_error_reason,omitempty"`
 	// @Document The outbound tag for this Server
-	//@Type id.outboundTag
+	// @Type id.outboundTag
 	OutboundTag string `protobuf:"bytes,4,opt,name=outbound_tag,json=outboundTag,proto3" json:"outbound_tag,omitempty"`
 	// @Document The time this outbound is known to be alive
-	//@Type id.outboundTag
+	// @Type id.outboundTag
 	LastSeenTime int64 `protobuf:"varint,5,opt,name=last_seen_time,json=lastSeenTime,proto3" json:"last_seen_time,omitempty"`
 	// @Document The time this outbound is tried
-	//@Type id.outboundTag
+	// @Type id.outboundTag
 	LastTryTime int64 `protobuf:"varint,6,opt,name=last_try_time,json=lastTryTime,proto3" json:"last_try_time,omitempty"`
 }
 
@@ -173,14 +173,14 @@ type ProbeResult struct {
 	unknownFields protoimpl.UnknownFields
 
 	// @Document Whether this outbound is usable
-	//@Restriction ReadOnlyForUser
+	// @Restriction ReadOnlyForUser
 	Alive bool `protobuf:"varint,1,opt,name=alive,proto3" json:"alive,omitempty"`
 	// @Document The time for probe request to finish.
-	//@Type time.ms
-	//@Restriction ReadOnlyForUser
+	// @Type time.ms
+	// @Restriction ReadOnlyForUser
 	Delay int64 `protobuf:"varint,2,opt,name=delay,proto3" json:"delay,omitempty"`
 	// @Document The error caused this outbound failed to relay probe request
-	//@Restriction NotMachineReadable
+	// @Restriction NotMachineReadable
 	LastErrorReason string `protobuf:"bytes,3,opt,name=last_error_reason,json=lastErrorReason,proto3" json:"last_error_reason,omitempty"`
 }
 
@@ -243,7 +243,7 @@ type Intensity struct {
 	unknownFields protoimpl.UnknownFields
 
 	// @Document The time interval for a probe request in ms.
-	//@Type time.ms
+	// @Type time.ms
 	ProbeInterval uint32 `protobuf:"varint,1,opt,name=probe_interval,json=probeInterval,proto3" json:"probe_interval,omitempty"`
 }
 

app/observatory/observer.go

@@ -9,7 +9,6 @@ import (
 	"sync"
 	"time"
 
-	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/common"
 	v2net "github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/session"
@@ -19,6 +18,7 @@ import (
 	"github.com/xtls/xray-core/features/extension"
 	"github.com/xtls/xray-core/features/outbound"
 	"github.com/xtls/xray-core/transport/internet/tagged"
+	"google.golang.org/protobuf/proto"
 )
 
 type Observer struct {

app/policy/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/policy/config.proto
 
 package policy

app/proxyman/command/command.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/proxyman/command/command.proto
 
 package command

app/proxyman/command/command_grpc.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.2.0
-// - protoc             v3.18.0
+// - protoc-gen-go-grpc v1.3.0
+// - protoc             v4.23.1
 // source: app/proxyman/command/command.proto
 
 package command
@@ -18,6 +18,15 @@ import (
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
+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_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"
+)
+
 // HandlerServiceClient is the client API for HandlerService service.
 //
 // 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.
@@ -40,7 +49,7 @@ func NewHandlerServiceClient(cc grpc.ClientConnInterface) HandlerServiceClient {
 
 func (c *handlerServiceClient) AddInbound(ctx context.Context, in *AddInboundRequest, opts ...grpc.CallOption) (*AddInboundResponse, error) {
 	out := new(AddInboundResponse)
-	err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/AddInbound", in, out, opts...)
+	err := c.cc.Invoke(ctx, HandlerService_AddInbound_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -49,7 +58,7 @@ func (c *handlerServiceClient) AddInbound(ctx context.Context, in *AddInboundReq
 
 func (c *handlerServiceClient) RemoveInbound(ctx context.Context, in *RemoveInboundRequest, opts ...grpc.CallOption) (*RemoveInboundResponse, error) {
 	out := new(RemoveInboundResponse)
-	err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/RemoveInbound", in, out, opts...)
+	err := c.cc.Invoke(ctx, HandlerService_RemoveInbound_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -58,7 +67,7 @@ func (c *handlerServiceClient) RemoveInbound(ctx context.Context, in *RemoveInbo
 
 func (c *handlerServiceClient) AlterInbound(ctx context.Context, in *AlterInboundRequest, opts ...grpc.CallOption) (*AlterInboundResponse, error) {
 	out := new(AlterInboundResponse)
-	err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/AlterInbound", in, out, opts...)
+	err := c.cc.Invoke(ctx, HandlerService_AlterInbound_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -67,7 +76,7 @@ func (c *handlerServiceClient) AlterInbound(ctx context.Context, in *AlterInboun
 
 func (c *handlerServiceClient) AddOutbound(ctx context.Context, in *AddOutboundRequest, opts ...grpc.CallOption) (*AddOutboundResponse, error) {
 	out := new(AddOutboundResponse)
-	err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/AddOutbound", in, out, opts...)
+	err := c.cc.Invoke(ctx, HandlerService_AddOutbound_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -76,7 +85,7 @@ func (c *handlerServiceClient) AddOutbound(ctx context.Context, in *AddOutboundR
 
 func (c *handlerServiceClient) RemoveOutbound(ctx context.Context, in *RemoveOutboundRequest, opts ...grpc.CallOption) (*RemoveOutboundResponse, error) {
 	out := new(RemoveOutboundResponse)
-	err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/RemoveOutbound", in, out, opts...)
+	err := c.cc.Invoke(ctx, HandlerService_RemoveOutbound_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -85,7 +94,7 @@ func (c *handlerServiceClient) RemoveOutbound(ctx context.Context, in *RemoveOut
 
 func (c *handlerServiceClient) AlterOutbound(ctx context.Context, in *AlterOutboundRequest, opts ...grpc.CallOption) (*AlterOutboundResponse, error) {
 	out := new(AlterOutboundResponse)
-	err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/AlterOutbound", in, out, opts...)
+	err := c.cc.Invoke(ctx, HandlerService_AlterOutbound_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -150,7 +159,7 @@ func _HandlerService_AddInbound_Handler(srv interface{}, ctx context.Context, de
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/xray.app.proxyman.command.HandlerService/AddInbound",
+		FullMethod: HandlerService_AddInbound_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HandlerServiceServer).AddInbound(ctx, req.(*AddInboundRequest))
@@ -168,7 +177,7 @@ func _HandlerService_RemoveInbound_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/xray.app.proxyman.command.HandlerService/RemoveInbound",
+		FullMethod: HandlerService_RemoveInbound_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HandlerServiceServer).RemoveInbound(ctx, req.(*RemoveInboundRequest))
@@ -186,7 +195,7 @@ func _HandlerService_AlterInbound_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/xray.app.proxyman.command.HandlerService/AlterInbound",
+		FullMethod: HandlerService_AlterInbound_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HandlerServiceServer).AlterInbound(ctx, req.(*AlterInboundRequest))
@@ -204,7 +213,7 @@ func _HandlerService_AddOutbound_Handler(srv interface{}, ctx context.Context, d
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/xray.app.proxyman.command.HandlerService/AddOutbound",
+		FullMethod: HandlerService_AddOutbound_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HandlerServiceServer).AddOutbound(ctx, req.(*AddOutboundRequest))
@@ -222,7 +231,7 @@ func _HandlerService_RemoveOutbound_Handler(srv interface{}, ctx context.Context
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/xray.app.proxyman.command.HandlerService/RemoveOutbound",
+		FullMethod: HandlerService_RemoveOutbound_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HandlerServiceServer).RemoveOutbound(ctx, req.(*RemoveOutboundRequest))
@@ -240,7 +249,7 @@ func _HandlerService_AlterOutbound_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/xray.app.proxyman.command.HandlerService/AlterOutbound",
+		FullMethod: HandlerService_AlterOutbound_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HandlerServiceServer).AlterOutbound(ctx, req.(*AlterOutboundRequest))

app/proxyman/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/proxyman/config.proto
 
 package proxyman
@@ -326,7 +326,7 @@ type ReceiverConfig struct {
 	// Override domains for the given protocol.
 	// Deprecated. Use sniffing_settings.
 	//
-	// Deprecated: Do not use.
+	// Deprecated: Marked as deprecated in app/proxyman/config.proto.
 	DomainOverride   []KnownProtocols `protobuf:"varint,7,rep,packed,name=domain_override,json=domainOverride,proto3,enum=xray.app.proxyman.KnownProtocols" json:"domain_override,omitempty"`
 	SniffingSettings *SniffingConfig  `protobuf:"bytes,8,opt,name=sniffing_settings,json=sniffingSettings,proto3" json:"sniffing_settings,omitempty"`
 }
@@ -398,7 +398,7 @@ func (x *ReceiverConfig) GetReceiveOriginalDestination() bool {
 	return false
 }
 
-// Deprecated: Do not use.
+// Deprecated: Marked as deprecated in app/proxyman/config.proto.
 func (x *ReceiverConfig) GetDomainOverride() []KnownProtocols {
 	if x != nil {
 		return x.DomainOverride
@@ -594,7 +594,11 @@ type MultiplexingConfig struct {
 	// Whether or not Mux is enabled.
 	Enabled bool `protobuf:"varint,1,opt,name=enabled,proto3" json:"enabled,omitempty"`
 	// Max number of concurrent connections that one Mux connection can handle.
-	Concurrency uint32 `protobuf:"varint,2,opt,name=concurrency,proto3" json:"concurrency,omitempty"`
+	Concurrency int32 `protobuf:"varint,2,opt,name=concurrency,proto3" json:"concurrency,omitempty"`
+	// Transport XUDP in another Mux.
+	XudpConcurrency int32 `protobuf:"varint,3,opt,name=xudpConcurrency,proto3" json:"xudpConcurrency,omitempty"`
+	// "reject" (default), "allow" or "skip".
+	XudpProxyUDP443 string `protobuf:"bytes,4,opt,name=xudpProxyUDP443,proto3" json:"xudpProxyUDP443,omitempty"`
 }
 
 func (x *MultiplexingConfig) Reset() {
@@ -636,13 +640,27 @@ func (x *MultiplexingConfig) GetEnabled() bool {
 	return false
 }
 
-func (x *MultiplexingConfig) GetConcurrency() uint32 {
+func (x *MultiplexingConfig) GetConcurrency() int32 {
 	if x != nil {
 		return x.Concurrency
 	}
 	return 0
 }
 
+func (x *MultiplexingConfig) GetXudpConcurrency() int32 {
+	if x != nil {
+		return x.XudpConcurrency
+	}
+	return 0
+}
+
+func (x *MultiplexingConfig) GetXudpProxyUDP443() string {
+	if x != nil {
+		return x.XudpProxyUDP443
+	}
+	return ""
+}
+
 type AllocationStrategy_AllocationStrategyConcurrency struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -856,21 +874,26 @@ var file_app_proxyman_config_proto_rawDesc = []byte{
 	0x28, 0x0b, 0x32, 0x25, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72,
 	0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2e, 0x4d, 0x75, 0x6c, 0x74, 0x69, 0x70, 0x6c, 0x65, 0x78,
 	0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x11, 0x6d, 0x75, 0x6c, 0x74, 0x69,
-	0x70, 0x6c, 0x65, 0x78, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x22, 0x50, 0x0a, 0x12,
-	0x4d, 0x75, 0x6c, 0x74, 0x69, 0x70, 0x6c, 0x65, 0x78, 0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e, 0x66,
-	0x69, 0x67, 0x12, 0x18, 0x0a, 0x07, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x18, 0x01, 0x20,
-	0x01, 0x28, 0x08, 0x52, 0x07, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x12, 0x20, 0x0a, 0x0b,
-	0x63, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28,
-	0x0d, 0x52, 0x0b, 0x63, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x2a, 0x23,
-	0x0a, 0x0e, 0x4b, 0x6e, 0x6f, 0x77, 0x6e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x73,
-	0x12, 0x08, 0x0a, 0x04, 0x48, 0x54, 0x54, 0x50, 0x10, 0x00, 0x12, 0x07, 0x0a, 0x03, 0x54, 0x4c,
-	0x53, 0x10, 0x01, 0x42, 0x55, 0x0a, 0x15, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e,
-	0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x50, 0x01, 0x5a, 0x26,
-	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, 0xaa, 0x02, 0x11, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70,
-	0x70, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
-	0x6f, 0x33,
+	0x70, 0x6c, 0x65, 0x78, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x22, 0xa4, 0x01, 0x0a,
+	0x12, 0x4d, 0x75, 0x6c, 0x74, 0x69, 0x70, 0x6c, 0x65, 0x78, 0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e,
+	0x66, 0x69, 0x67, 0x12, 0x18, 0x0a, 0x07, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x18, 0x01,
+	0x20, 0x01, 0x28, 0x08, 0x52, 0x07, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x12, 0x20, 0x0a,
+	0x0b, 0x63, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x18, 0x02, 0x20, 0x01,
+	0x28, 0x05, 0x52, 0x0b, 0x63, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x12,
+	0x28, 0x0a, 0x0f, 0x78, 0x75, 0x64, 0x70, 0x43, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e,
+	0x63, 0x79, 0x18, 0x03, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0f, 0x78, 0x75, 0x64, 0x70, 0x43, 0x6f,
+	0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x12, 0x28, 0x0a, 0x0f, 0x78, 0x75, 0x64,
+	0x70, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x55, 0x44, 0x50, 0x34, 0x34, 0x33, 0x18, 0x04, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x0f, 0x78, 0x75, 0x64, 0x70, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x55, 0x44, 0x50,
+	0x34, 0x34, 0x33, 0x2a, 0x23, 0x0a, 0x0e, 0x4b, 0x6e, 0x6f, 0x77, 0x6e, 0x50, 0x72, 0x6f, 0x74,
+	0x6f, 0x63, 0x6f, 0x6c, 0x73, 0x12, 0x08, 0x0a, 0x04, 0x48, 0x54, 0x54, 0x50, 0x10, 0x00, 0x12,
+	0x07, 0x0a, 0x03, 0x54, 0x4c, 0x53, 0x10, 0x01, 0x42, 0x55, 0x0a, 0x15, 0x63, 0x6f, 0x6d, 0x2e,
+	0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61,
+	0x6e, 0x50, 0x01, 0x5a, 0x26, 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, 0xaa, 0x02, 0x11, 0x58, 0x72,
+	0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x62,
+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

app/proxyman/config.proto

@@ -97,5 +97,9 @@ message MultiplexingConfig {
   // Whether or not Mux is enabled.
   bool enabled = 1;
   // Max number of concurrent connections that one Mux connection can handle.
-  uint32 concurrency = 2;
+  int32 concurrency = 2;
+  // Transport XUDP in another Mux.
+  int32 xudpConcurrency = 3;
+  // "reject" (default), "allow" or "skip".
+  string xudpProxyUDP443 = 4;
 }

app/proxyman/inbound/worker.go

@@ -362,7 +362,7 @@ func (w *udpWorker) clean() error {
 	}
 
 	for addr, conn := range w.activeConn {
-		if nowSec-atomic.LoadInt64(&conn.lastActivityTime) > 5*60 { // TODO Timeout too small
+		if nowSec-atomic.LoadInt64(&conn.lastActivityTime) > 2*60 {
 			if !conn.inactive {
 				conn.setInactive()
 				delete(w.activeConn, addr)

app/proxyman/outbound/handler.go

@@ -8,6 +8,7 @@ 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/mux"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/net/cnc"
@@ -57,6 +58,8 @@ type Handler struct {
 	proxy           proxy.Outbound
 	outboundManager outbound.Manager
 	mux             *mux.ClientManager
+	xudp            *mux.ClientManager
+	udp443          string
 	uplinkCounter   stats.Counter
 	downlinkCounter stats.Counter
 }
@@ -106,22 +109,50 @@ func NewHandler(ctx context.Context, config *core.OutboundHandlerConfig) (outbou
 	}
 
 	if h.senderSettings != nil && h.senderSettings.MultiplexSettings != nil {
-		config := h.senderSettings.MultiplexSettings
-		if config.Concurrency < 1 || config.Concurrency > 1024 {
-			return nil, newError("invalid mux concurrency: ", config.Concurrency).AtWarning()
-		}
-		h.mux = &mux.ClientManager{
-			Enabled: h.senderSettings.MultiplexSettings.Enabled,
-			Picker: &mux.IncrementalWorkerPicker{
-				Factory: &mux.DialingWorkerFactory{
-					Proxy:  proxyHandler,
-					Dialer: h,
-					Strategy: mux.ClientStrategy{
-						MaxConcurrency: config.Concurrency,
-						MaxConnection:  128,
+		if config := h.senderSettings.MultiplexSettings; config.Enabled {
+			if config.Concurrency < 0 {
+				h.mux = &mux.ClientManager{Enabled: false}
+			}
+			if config.Concurrency == 0 {
+				config.Concurrency = 8 // same as before
+			}
+			if config.Concurrency > 0 {
+				h.mux = &mux.ClientManager{
+					Enabled: true,
+					Picker: &mux.IncrementalWorkerPicker{
+						Factory: &mux.DialingWorkerFactory{
+							Proxy:  proxyHandler,
+							Dialer: h,
+							Strategy: mux.ClientStrategy{
+								MaxConcurrency: uint32(config.Concurrency),
+								MaxConnection:  128,
+							},
+						},
 					},
-				},
-			},
+				}
+			}
+			if config.XudpConcurrency < 0 {
+				h.xudp = &mux.ClientManager{Enabled: false}
+			}
+			if config.XudpConcurrency == 0 {
+				h.xudp = nil // same as before
+			}
+			if config.XudpConcurrency > 0 {
+				h.xudp = &mux.ClientManager{
+					Enabled: true,
+					Picker: &mux.IncrementalWorkerPicker{
+						Factory: &mux.DialingWorkerFactory{
+							Proxy:  proxyHandler,
+							Dialer: h,
+							Strategy: mux.ClientStrategy{
+								MaxConcurrency: uint32(config.XudpConcurrency),
+								MaxConnection:  128,
+							},
+						},
+					},
+				}
+			}
+			h.udp443 = config.XudpProxyUDP443
 		}
 	}
 
@@ -136,31 +167,58 @@ func (h *Handler) Tag() string {
 
 // Dispatch implements proxy.Outbound.Dispatch.
 func (h *Handler) Dispatch(ctx context.Context, link *transport.Link) {
-	if h.mux != nil && (h.mux.Enabled || session.MuxPreferedFromContext(ctx)) {
-		if err := h.mux.Dispatch(ctx, link); err != nil {
-			err := newError("failed to process mux outbound traffic").Base(err)
-			session.SubmitOutboundErrorToOriginator(ctx, err)
-			err.WriteToLog(session.ExportIDToError(ctx))
-			common.Interrupt(link.Writer)
-		}
-	} else {
-		err := h.proxy.Process(ctx, link, h)
-		if err != nil {
-			if errors.Is(err, io.EOF) || errors.Is(err, io.ErrClosedPipe) || errors.Is(err, context.Canceled) {
-				err = nil
+	outbound := session.OutboundFromContext(ctx)
+	if outbound.Target.Network == net.Network_UDP && outbound.OriginalTarget.Address != nil && outbound.OriginalTarget.Address != outbound.Target.Address {
+		link.Reader = &buf.EndpointOverrideReader{Reader: link.Reader, Dest: outbound.Target.Address, OriginalDest: outbound.OriginalTarget.Address}
+		link.Writer = &buf.EndpointOverrideWriter{Writer: link.Writer, Dest: outbound.Target.Address, OriginalDest: outbound.OriginalTarget.Address}
+	}
+	if h.mux != nil {
+		test := func(err error) {
+			if err != nil {
+				err := newError("failed to process mux outbound traffic").Base(err)
+				session.SubmitOutboundErrorToOriginator(ctx, err)
+				err.WriteToLog(session.ExportIDToError(ctx))
+				common.Interrupt(link.Writer)
 			}
 		}
-		if err != nil {
-			// Ensure outbound ray is properly closed.
-			err := newError("failed to process outbound traffic").Base(err)
-			session.SubmitOutboundErrorToOriginator(ctx, err)
-			err.WriteToLog(session.ExportIDToError(ctx))
-			common.Interrupt(link.Writer)
-		} else {
-			common.Must(common.Close(link.Writer))
+		if outbound.Target.Network == net.Network_UDP && outbound.Target.Port == 443 {
+			switch h.udp443 {
+			case "reject":
+				test(newError("XUDP rejected UDP/443 traffic").AtInfo())
+				return
+			case "skip":
+				goto out
+			}
+		}
+		if h.xudp != nil && outbound.Target.Network == net.Network_UDP {
+			if !h.xudp.Enabled {
+				goto out
+			}
+			test(h.xudp.Dispatch(ctx, link))
+			return
+		}
+		if h.mux.Enabled {
+			test(h.mux.Dispatch(ctx, link))
+			return
 		}
-		common.Interrupt(link.Reader)
 	}
+out:
+	err := h.proxy.Process(ctx, link, h)
+	if err != nil {
+		if errors.Is(err, io.EOF) || errors.Is(err, io.ErrClosedPipe) || errors.Is(err, context.Canceled) {
+			err = nil
+		}
+	}
+	if err != nil {
+		// Ensure outbound ray is properly closed.
+		err := newError("failed to process outbound traffic").Base(err)
+		session.SubmitOutboundErrorToOriginator(ctx, err)
+		err.WriteToLog(session.ExportIDToError(ctx))
+		common.Interrupt(link.Writer)
+	} else {
+		common.Close(link.Writer)
+	}
+	common.Interrupt(link.Reader)
 }
 
 // Address implements internet.Dialer.

app/proxyman/outbound/uot.go

@@ -1,5 +1,3 @@
-//go:build go1.18
-
 package outbound
 
 import (
@@ -13,13 +11,24 @@ import (
 )
 
 func (h *Handler) getUoTConnection(ctx context.Context, dest net.Destination) (stat.Connection, error) {
-	if !dest.Address.Family().IsDomain() || dest.Address.Domain() != uot.UOTMagicAddress {
+	if dest.Address == nil {
+		return nil, newError("nil destination address")
+	}
+	if !dest.Address.Family().IsDomain() {
+		return nil, os.ErrInvalid
+	}
+	var uotVersion int
+	if dest.Address.Domain() == uot.MagicAddress {
+		uotVersion = uot.Version
+	} else if dest.Address.Domain() == uot.LegacyMagicAddress {
+		uotVersion = uot.LegacyVersion
+	} else {
 		return nil, os.ErrInvalid
 	}
 	packetConn, err := internet.ListenSystemPacket(ctx, &net.UDPAddr{IP: net.AnyIP.IP(), Port: 0}, h.streamSettings.SocketSettings)
 	if err != nil {
 		return nil, newError("unable to listen socket").Base(err)
 	}
-	conn := uot.NewServerConn(packetConn)
+	conn := uot.NewServerConn(packetConn, uotVersion)
 	return h.getStatCouterConnection(conn), nil
 }

app/proxyman/outbound/uot_stub.go

@@ -1,15 +0,0 @@
-//go:build !go1.18
-
-package outbound
-
-import (
-	"context"
-	"os"
-
-	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/transport/internet/stat"
-)
-
-func (h *Handler) getUoTConnection(ctx context.Context, dest net.Destination) (stat.Connection, error) {
-	return nil, os.ErrInvalid
-}

app/reverse/bridge.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"time"
 
-	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/common/mux"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/session"
@@ -12,6 +11,7 @@ import (
 	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/transport"
 	"github.com/xtls/xray-core/transport/pipe"
+	"google.golang.org/protobuf/proto"
 )
 
 // Bridge is a component in reverse proxy, that relays connections from Portal to local address.

app/reverse/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/reverse/config.proto
 
 package reverse

app/reverse/portal.go

@@ -5,7 +5,6 @@ import (
 	"sync"
 	"time"
 
-	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/mux"
@@ -15,6 +14,7 @@ import (
 	"github.com/xtls/xray-core/features/outbound"
 	"github.com/xtls/xray-core/transport"
 	"github.com/xtls/xray-core/transport/pipe"
+	"google.golang.org/protobuf/proto"
 )
 
 type Portal struct {

app/router/command/command.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/router/command/command.proto
 
 package command
@@ -163,18 +163,19 @@ func (x *RoutingContext) GetOutboundTag() string {
 // opened by xray-core.
 // * FieldSelectors selects a subset of fields in routing statistics to return.
 // Valid selectors:
-//  - inbound: Selects connection's inbound tag.
-//  - network: Selects connection's network.
-//  - ip: Equivalent as "ip_source" and "ip_target", selects both source and
-//  target IP.
-//  - port: Equivalent as "port_source" and "port_target", selects both source
-//  and target port.
-//  - domain: Selects target domain.
-//  - protocol: Select connection's protocol.
-//  - user: Select connection's inbound user email.
-//  - attributes: Select connection's additional attributes.
-//  - outbound: Equivalent as "outbound" and "outbound_group", select both
-//  outbound tag and outbound group tags.
+//   - inbound: Selects connection's inbound tag.
+//   - network: Selects connection's network.
+//   - ip: Equivalent as "ip_source" and "ip_target", selects both source and
+//     target IP.
+//   - port: Equivalent as "port_source" and "port_target", selects both source
+//     and target port.
+//   - domain: Selects target domain.
+//   - protocol: Select connection's protocol.
+//   - user: Select connection's inbound user email.
+//   - attributes: Select connection's additional attributes.
+//   - outbound: Equivalent as "outbound" and "outbound_group", select both
+//     outbound tag and outbound group tags.
+//
 // * If FieldSelectors is left empty, all fields will be returned.
 type SubscribeRoutingStatsRequest struct {
 	state         protoimpl.MessageState

app/router/command/command_grpc.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.2.0
-// - protoc             v3.18.0
+// - protoc-gen-go-grpc v1.3.0
+// - protoc             v4.23.1
 // source: app/router/command/command.proto
 
 package command
@@ -18,6 +18,11 @@ import (
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
+const (
+	RoutingService_SubscribeRoutingStats_FullMethodName = "/xray.app.router.command.RoutingService/SubscribeRoutingStats"
+	RoutingService_TestRoute_FullMethodName             = "/xray.app.router.command.RoutingService/TestRoute"
+)
+
 // RoutingServiceClient is the client API for RoutingService service.
 //
 // 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.
@@ -35,7 +40,7 @@ func NewRoutingServiceClient(cc grpc.ClientConnInterface) RoutingServiceClient {
 }
 
 func (c *routingServiceClient) SubscribeRoutingStats(ctx context.Context, in *SubscribeRoutingStatsRequest, opts ...grpc.CallOption) (RoutingService_SubscribeRoutingStatsClient, error) {
-	stream, err := c.cc.NewStream(ctx, &RoutingService_ServiceDesc.Streams[0], "/xray.app.router.command.RoutingService/SubscribeRoutingStats", opts...)
+	stream, err := c.cc.NewStream(ctx, &RoutingService_ServiceDesc.Streams[0], RoutingService_SubscribeRoutingStats_FullMethodName, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -68,7 +73,7 @@ func (x *routingServiceSubscribeRoutingStatsClient) Recv() (*RoutingContext, err
 
 func (c *routingServiceClient) TestRoute(ctx context.Context, in *TestRouteRequest, opts ...grpc.CallOption) (*RoutingContext, error) {
 	out := new(RoutingContext)
-	err := c.cc.Invoke(ctx, "/xray.app.router.command.RoutingService/TestRoute", in, out, opts...)
+	err := c.cc.Invoke(ctx, RoutingService_TestRoute_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -138,7 +143,7 @@ func _RoutingService_TestRoute_Handler(srv interface{}, ctx context.Context, dec
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/xray.app.router.command.RoutingService/TestRoute",
+		FullMethod: RoutingService_TestRoute_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(RoutingServiceServer).TestRoute(ctx, req.(*TestRouteRequest))

app/router/condition.go

@@ -1,13 +1,12 @@
 package router
 
 import (
+	"regexp"
 	"strings"
 
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/strmatcher"
 	"github.com/xtls/xray-core/features/routing"
-	"go.starlark.net/starlark"
-	"go.starlark.net/syntax"
 )
 
 type Condition interface {
@@ -284,44 +283,22 @@ func (m *ProtocolMatcher) Apply(ctx routing.Context) bool {
 }
 
 type AttributeMatcher struct {
-	program *starlark.Program
-}
-
-func NewAttributeMatcher(code string) (*AttributeMatcher, error) {
-	starFile, err := syntax.Parse("attr.star", "satisfied=("+code+")", 0)
-	if err != nil {
-		return nil, newError("attr rule").Base(err)
-	}
-	p, err := starlark.FileProgram(starFile, func(name string) bool {
-		return name == "attrs"
-	})
-	if err != nil {
-		return nil, err
-	}
-	return &AttributeMatcher{
-		program: p,
-	}, nil
+	configuredKeys map[string]*regexp.Regexp
 }
 
 // Match implements attributes matching.
 func (m *AttributeMatcher) Match(attrs map[string]string) bool {
-	attrsDict := new(starlark.Dict)
+	// header keys are case insensitive most likely. So we do a convert
+	httpHeaders := make(map[string]string)
 	for key, value := range attrs {
-		attrsDict.SetKey(starlark.String(key), starlark.String(value))
+		httpHeaders[strings.ToLower(key)] = value
 	}
-
-	predefined := make(starlark.StringDict)
-	predefined["attrs"] = attrsDict
-
-	thread := &starlark.Thread{
-		Name: "matcher",
+	for key, regex := range m.configuredKeys {
+		if a, ok := httpHeaders[key]; !ok || !regex.MatchString(a) {
+			return false
+		}
 	}
-	results, err := m.program.Init(thread, predefined)
-	if err != nil {
-		newError("attr matcher").Base(err).WriteToLog()
-	}
-	satisfied := results["satisfied"]
-	return satisfied != nil && bool(satisfied.Truth())
+	return true
 }
 
 // Apply implements Condition.

app/router/condition_geoip.go

@@ -1,81 +1,49 @@
 package router
 
 import (
-	"encoding/binary"
-	"sort"
+	"net/netip"
+	"strconv"
 
 	"github.com/xtls/xray-core/common/net"
+	"go4.org/netipx"
 )
 
-type ipv6 struct {
-	a uint64
-	b uint64
-}
-
 type GeoIPMatcher struct {
 	countryCode  string
 	reverseMatch bool
-	ip4          []uint32
-	prefix4      []uint8
-	ip6          []ipv6
-	prefix6      []uint8
-}
-
-func normalize4(ip uint32, prefix uint8) uint32 {
-	return (ip >> (32 - prefix)) << (32 - prefix)
-}
-
-func normalize6(ip ipv6, prefix uint8) ipv6 {
-	if prefix <= 64 {
-		ip.a = (ip.a >> (64 - prefix)) << (64 - prefix)
-		ip.b = 0
-	} else {
-		ip.b = (ip.b >> (128 - prefix)) << (128 - prefix)
-	}
-	return ip
+	ip4          *netipx.IPSet
+	ip6          *netipx.IPSet
 }
 
 func (m *GeoIPMatcher) Init(cidrs []*CIDR) error {
-	ip4Count := 0
-	ip6Count := 0
+	var builder4, builder6 netipx.IPSetBuilder
 
 	for _, cidr := range cidrs {
-		ip := cidr.Ip
+		ip := net.IP(cidr.GetIp())
+		ipPrefixString := ip.String() + "/" + strconv.Itoa(int(cidr.GetPrefix()))
+		ipPrefix, err := netip.ParsePrefix(ipPrefixString)
+		if err != nil {
+			return err
+		}
+
 		switch len(ip) {
-		case 4:
-			ip4Count++
-		case 16:
-			ip6Count++
-		default:
-			return newError("unexpect ip length: ", len(ip))
+		case net.IPv4len:
+			builder4.AddPrefix(ipPrefix)
+		case net.IPv6len:
+			builder6.AddPrefix(ipPrefix)
 		}
 	}
 
-	cidrList := CIDRList(cidrs)
-	sort.Sort(&cidrList)
+	if ip4, err := builder4.IPSet(); err != nil {
+		return err
+	} else {
+		m.ip4 = ip4
+	}
 
-	m.ip4 = make([]uint32, 0, ip4Count)
-	m.prefix4 = make([]uint8, 0, ip4Count)
-	m.ip6 = make([]ipv6, 0, ip6Count)
-	m.prefix6 = make([]uint8, 0, ip6Count)
-
-	for _, cidr := range cidrList {
-		ip := cidr.Ip
-		prefix := uint8(cidr.Prefix)
-		switch len(ip) {
-		case 4:
-			m.ip4 = append(m.ip4, normalize4(binary.BigEndian.Uint32(ip), prefix))
-			m.prefix4 = append(m.prefix4, prefix)
-		case 16:
-			ip6 := ipv6{
-				a: binary.BigEndian.Uint64(ip[0:8]),
-				b: binary.BigEndian.Uint64(ip[8:16]),
-			}
-			ip6 = normalize6(ip6, prefix)
-
-			m.ip6 = append(m.ip6, ip6)
-			m.prefix6 = append(m.prefix6, prefix)
-		}
+	if ip6, err := builder6.IPSet(); err != nil {
+		return err
+	} else {
+		m.ip6 = ip6
 	}
 
 	return nil
@@ -85,91 +53,37 @@ func (m *GeoIPMatcher) SetReverseMatch(isReverseMatch bool) {
 	m.reverseMatch = isReverseMatch
 }
 
-func (m *GeoIPMatcher) match4(ip uint32) bool {
-	if len(m.ip4) == 0 {
+func (m *GeoIPMatcher) match4(ip net.IP) bool {
+	nip, ok := netipx.FromStdIP(ip)
+	if !ok {
 		return false
 	}
 
-	if ip < m.ip4[0] {
-		return false
-	}
-
-	size := uint32(len(m.ip4))
-	l := uint32(0)
-	r := size
-	for l < r {
-		x := ((l + r) >> 1)
-		if ip < m.ip4[x] {
-			r = x
-			continue
-		}
-
-		nip := normalize4(ip, m.prefix4[x])
-		if nip == m.ip4[x] {
-			return true
-		}
-
-		l = x + 1
-	}
-
-	return l > 0 && normalize4(ip, m.prefix4[l-1]) == m.ip4[l-1]
+	return m.ip4.Contains(nip)
 }
 
-func less6(a ipv6, b ipv6) bool {
-	return a.a < b.a || (a.a == b.a && a.b < b.b)
-}
-
-func (m *GeoIPMatcher) match6(ip ipv6) bool {
-	if len(m.ip6) == 0 {
+func (m *GeoIPMatcher) match6(ip net.IP) bool {
+	nip, ok := netipx.FromStdIP(ip)
+	if !ok {
 		return false
 	}
 
-	if less6(ip, m.ip6[0]) {
-		return false
-	}
-
-	size := uint32(len(m.ip6))
-	l := uint32(0)
-	r := size
-	for l < r {
-		x := (l + r) / 2
-		if less6(ip, m.ip6[x]) {
-			r = x
-			continue
-		}
-
-		if normalize6(ip, m.prefix6[x]) == m.ip6[x] {
-			return true
-		}
-
-		l = x + 1
-	}
-
-	return l > 0 && normalize6(ip, m.prefix6[l-1]) == m.ip6[l-1]
+	return m.ip6.Contains(nip)
 }
 
 // Match returns true if the given ip is included by the GeoIP.
 func (m *GeoIPMatcher) Match(ip net.IP) bool {
+	isMatched := false
 	switch len(ip) {
-	case 4:
-		if m.reverseMatch {
-			return !m.match4(binary.BigEndian.Uint32(ip))
-		}
-		return m.match4(binary.BigEndian.Uint32(ip))
-	case 16:
-		if m.reverseMatch {
-			return !m.match6(ipv6{
-				a: binary.BigEndian.Uint64(ip[0:8]),
-				b: binary.BigEndian.Uint64(ip[8:16]),
-			})
-		}
-		return m.match6(ipv6{
-			a: binary.BigEndian.Uint64(ip[0:8]),
-			b: binary.BigEndian.Uint64(ip[8:16]),
-		})
-	default:
-		return false
+	case net.IPv4len:
+		isMatched = m.match4(ip)
+	case net.IPv6len:
+		isMatched = m.match6(ip)
 	}
+	if m.reverseMatch {
+		return !isMatched
+	}
+	return isMatched
 }
 
 // GeoIPMatcherContainer is a container for GeoIPMatchers. It keeps unique copies of GeoIPMatcher by country code.

app/router/condition_geoip_test.go

@@ -5,12 +5,12 @@ import (
 	"path/filepath"
 	"testing"
 
-	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/app/router"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/platform"
 	"github.com/xtls/xray-core/common/platform/filesystem"
+	"google.golang.org/protobuf/proto"
 )
 
 func init() {
@@ -53,7 +53,7 @@ func TestGeoIPMatcherContainer(t *testing.T) {
 }
 
 func TestGeoIPMatcher(t *testing.T) {
-	cidrList := router.CIDRList{
+	cidrList := []*router.CIDR{
 		{Ip: []byte{0, 0, 0, 0}, Prefix: 8},
 		{Ip: []byte{10, 0, 0, 0}, Prefix: 8},
 		{Ip: []byte{100, 64, 0, 0}, Prefix: 10},
@@ -124,8 +124,40 @@ func TestGeoIPMatcher(t *testing.T) {
 	}
 }
 
+func TestGeoIPMatcherRegression(t *testing.T) {
+	cidrList := []*router.CIDR{
+		{Ip: []byte{98, 108, 20, 0}, Prefix: 22},
+		{Ip: []byte{98, 108, 20, 0}, Prefix: 23},
+	}
+
+	matcher := &router.GeoIPMatcher{}
+	common.Must(matcher.Init(cidrList))
+
+	testCases := []struct {
+		Input  string
+		Output bool
+	}{
+		{
+			Input:  "98.108.22.11",
+			Output: true,
+		},
+		{
+			Input:  "98.108.25.0",
+			Output: false,
+		},
+	}
+
+	for _, testCase := range testCases {
+		ip := net.ParseAddress(testCase.Input).IP()
+		actual := matcher.Match(ip)
+		if actual != testCase.Output {
+			t.Error("expect input", testCase.Input, "to be", testCase.Output, ", but actually", actual)
+		}
+	}
+}
+
 func TestGeoIPReverseMatcher(t *testing.T) {
-	cidrList := router.CIDRList{
+	cidrList := []*router.CIDR{
 		{Ip: []byte{8, 8, 8, 8}, Prefix: 32},
 		{Ip: []byte{91, 108, 4, 0}, Prefix: 16},
 	}

app/router/condition_test.go

@@ -6,7 +6,6 @@ import (
 	"strconv"
 	"testing"
 
-	"github.com/golang/protobuf/proto"
 	. "github.com/xtls/xray-core/app/router"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
@@ -18,6 +17,7 @@ import (
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/features/routing"
 	routing_session "github.com/xtls/xray-core/features/routing/session"
+	"google.golang.org/protobuf/proto"
 )
 
 func init() {
@@ -307,8 +307,10 @@ func TestRoutingRule(t *testing.T) {
 		},
 		{
 			rule: &RoutingRule{
-				Protocol:   []string{"http"},
-				Attributes: "attrs[':path'].startswith('/test')",
+				Protocol: []string{"http"},
+				Attributes: map[string]string{
+					":path": "/test",
+				},
 			},
 			test: []ruleTest{
 				{
@@ -317,6 +319,19 @@ func TestRoutingRule(t *testing.T) {
 				},
 			},
 		},
+		{
+			rule: &RoutingRule{
+				Attributes: map[string]string{
+					"Custom": "p([a-z]+)ch",
+				},
+			},
+			test: []ruleTest{
+				{
+					input:  withContent(&session.Content{Attributes: map[string]string{"custom": "peach"}}),
+					output: true,
+				},
+			},
+		},
 	}
 
 	for _, test := range cases {

app/router/config.go

@@ -1,50 +1,14 @@
 package router
 
 import (
+	"regexp"
+	"strings"
+
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/features/outbound"
 	"github.com/xtls/xray-core/features/routing"
 )
 
-// CIDRList is an alias of []*CIDR to provide sort.Interface.
-type CIDRList []*CIDR
-
-// Len implements sort.Interface.
-func (l *CIDRList) Len() int {
-	return len(*l)
-}
-
-// Less implements sort.Interface.
-func (l *CIDRList) Less(i int, j int) bool {
-	ci := (*l)[i]
-	cj := (*l)[j]
-
-	if len(ci.Ip) < len(cj.Ip) {
-		return true
-	}
-
-	if len(ci.Ip) > len(cj.Ip) {
-		return false
-	}
-
-	for k := 0; k < len(ci.Ip); k++ {
-		if ci.Ip[k] < cj.Ip[k] {
-			return true
-		}
-
-		if ci.Ip[k] > cj.Ip[k] {
-			return false
-		}
-	}
-
-	return ci.Prefix < cj.Prefix
-}
-
-// Swap implements sort.Interface.
-func (l *CIDRList) Swap(i int, j int) {
-	(*l)[i], (*l)[j] = (*l)[j], (*l)[i]
-}
-
 type Rule struct {
 	Tag       string
 	Balancer  *Balancer
@@ -143,11 +107,11 @@ func (rr *RoutingRule) BuildCondition() (Condition, error) {
 	}
 
 	if len(rr.Attributes) > 0 {
-		cond, err := NewAttributeMatcher(rr.Attributes)
-		if err != nil {
-			return nil, err
+		configuredKeys := make(map[string]*regexp.Regexp)
+		for key, value := range rr.Attributes {
+			configuredKeys[strings.ToLower(key)] = regexp.MustCompile(value)
 		}
-		conds.Add(cond)
+		conds.Add(&AttributeMatcher{configuredKeys})
 	}
 
 	if conds.Len() == 0 {

app/router/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/router/config.proto
 
 package router
@@ -477,6 +477,7 @@ type RoutingRule struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Types that are assignable to TargetTag:
+	//
 	//	*RoutingRule_Tag
 	//	*RoutingRule_BalancingTag
 	TargetTag isRoutingRule_TargetTag `protobuf_oneof:"target_tag"`
@@ -485,7 +486,7 @@ type RoutingRule struct {
 	// List of CIDRs for target IP address matching.
 	// Deprecated. Use geoip below.
 	//
-	// Deprecated: Do not use.
+	// Deprecated: Marked as deprecated in app/router/config.proto.
 	Cidr []*CIDR `protobuf:"bytes,3,rep,name=cidr,proto3" json:"cidr,omitempty"`
 	// List of GeoIPs for target IP address matching. If this entry exists, the
 	// cidr above will have no effect. GeoIP fields with the same country code are
@@ -495,30 +496,30 @@ type RoutingRule struct {
 	// A range of port [from, to]. If the destination port is in this range, this
 	// rule takes effect. Deprecated. Use port_list.
 	//
-	// Deprecated: Do not use.
+	// Deprecated: Marked as deprecated in app/router/config.proto.
 	PortRange *net.PortRange `protobuf:"bytes,4,opt,name=port_range,json=portRange,proto3" json:"port_range,omitempty"`
 	// List of ports.
 	PortList *net.PortList `protobuf:"bytes,14,opt,name=port_list,json=portList,proto3" json:"port_list,omitempty"`
 	// List of networks. Deprecated. Use networks.
 	//
-	// Deprecated: Do not use.
+	// Deprecated: Marked as deprecated in app/router/config.proto.
 	NetworkList *net.NetworkList `protobuf:"bytes,5,opt,name=network_list,json=networkList,proto3" json:"network_list,omitempty"`
 	// List of networks for matching.
 	Networks []net.Network `protobuf:"varint,13,rep,packed,name=networks,proto3,enum=xray.common.net.Network" json:"networks,omitempty"`
 	// List of CIDRs for source IP address matching.
 	//
-	// Deprecated: Do not use.
+	// Deprecated: Marked as deprecated in app/router/config.proto.
 	SourceCidr []*CIDR `protobuf:"bytes,6,rep,name=source_cidr,json=sourceCidr,proto3" json:"source_cidr,omitempty"`
 	// List of GeoIPs for source IP address matching. If this entry exists, the
 	// source_cidr above will have no effect.
 	SourceGeoip []*GeoIP `protobuf:"bytes,11,rep,name=source_geoip,json=sourceGeoip,proto3" json:"source_geoip,omitempty"`
 	// List of ports for source port matching.
-	SourcePortList *net.PortList `protobuf:"bytes,16,opt,name=source_port_list,json=sourcePortList,proto3" json:"source_port_list,omitempty"`
-	UserEmail      []string      `protobuf:"bytes,7,rep,name=user_email,json=userEmail,proto3" json:"user_email,omitempty"`
-	InboundTag     []string      `protobuf:"bytes,8,rep,name=inbound_tag,json=inboundTag,proto3" json:"inbound_tag,omitempty"`
-	Protocol       []string      `protobuf:"bytes,9,rep,name=protocol,proto3" json:"protocol,omitempty"`
-	Attributes     string        `protobuf:"bytes,15,opt,name=attributes,proto3" json:"attributes,omitempty"`
-	DomainMatcher  string        `protobuf:"bytes,17,opt,name=domain_matcher,json=domainMatcher,proto3" json:"domain_matcher,omitempty"`
+	SourcePortList *net.PortList     `protobuf:"bytes,16,opt,name=source_port_list,json=sourcePortList,proto3" json:"source_port_list,omitempty"`
+	UserEmail      []string          `protobuf:"bytes,7,rep,name=user_email,json=userEmail,proto3" json:"user_email,omitempty"`
+	InboundTag     []string          `protobuf:"bytes,8,rep,name=inbound_tag,json=inboundTag,proto3" json:"inbound_tag,omitempty"`
+	Protocol       []string          `protobuf:"bytes,9,rep,name=protocol,proto3" json:"protocol,omitempty"`
+	Attributes     map[string]string `protobuf:"bytes,15,rep,name=attributes,proto3" json:"attributes,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	DomainMatcher  string            `protobuf:"bytes,17,opt,name=domain_matcher,json=domainMatcher,proto3" json:"domain_matcher,omitempty"`
 }
 
 func (x *RoutingRule) Reset() {
@@ -581,7 +582,7 @@ func (x *RoutingRule) GetDomain() []*Domain {
 	return nil
 }
 
-// Deprecated: Do not use.
+// Deprecated: Marked as deprecated in app/router/config.proto.
 func (x *RoutingRule) GetCidr() []*CIDR {
 	if x != nil {
 		return x.Cidr
@@ -596,7 +597,7 @@ func (x *RoutingRule) GetGeoip() []*GeoIP {
 	return nil
 }
 
-// Deprecated: Do not use.
+// Deprecated: Marked as deprecated in app/router/config.proto.
 func (x *RoutingRule) GetPortRange() *net.PortRange {
 	if x != nil {
 		return x.PortRange
@@ -611,7 +612,7 @@ func (x *RoutingRule) GetPortList() *net.PortList {
 	return nil
 }
 
-// Deprecated: Do not use.
+// Deprecated: Marked as deprecated in app/router/config.proto.
 func (x *RoutingRule) GetNetworkList() *net.NetworkList {
 	if x != nil {
 		return x.NetworkList
@@ -626,7 +627,7 @@ func (x *RoutingRule) GetNetworks() []net.Network {
 	return nil
 }
 
-// Deprecated: Do not use.
+// Deprecated: Marked as deprecated in app/router/config.proto.
 func (x *RoutingRule) GetSourceCidr() []*CIDR {
 	if x != nil {
 		return x.SourceCidr
@@ -669,11 +670,11 @@ func (x *RoutingRule) GetProtocol() []string {
 	return nil
 }
 
-func (x *RoutingRule) GetAttributes() string {
+func (x *RoutingRule) GetAttributes() map[string]string {
 	if x != nil {
 		return x.Attributes
 	}
-	return ""
+	return nil
 }
 
 func (x *RoutingRule) GetDomainMatcher() string {
@@ -834,6 +835,7 @@ type Domain_Attribute struct {
 
 	Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
 	// Types that are assignable to TypedValue:
+	//
 	//	*Domain_Attribute_BoolValue
 	//	*Domain_Attribute_IntValue
 	TypedValue isDomain_Attribute_TypedValue `protobuf_oneof:"typed_value"`
@@ -967,7 +969,7 @@ var file_app_router_config_proto_rawDesc = []byte{
 	0x74, 0x65, 0x4c, 0x69, 0x73, 0x74, 0x12, 0x2e, 0x0a, 0x05, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x18,
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+	0x05, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x22, 0xa2, 0x07, 0x0a, 0x0b, 0x52, 0x6f, 0x75, 0x74, 0x69,
 	0x6e, 0x67, 0x52, 0x75, 0x6c, 0x65, 0x12, 0x12, 0x0a, 0x03, 0x74, 0x61, 0x67, 0x18, 0x01, 0x20,
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@@ -1013,43 +1015,49 @@ var file_app_router_config_proto_rawDesc = []byte{
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+	0x65, 0x67, 0x79, 0x52, 0x0e, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53, 0x74, 0x72, 0x61, 0x74,
+	0x65, 0x67, 0x79, 0x12, 0x30, 0x0a, 0x04, 0x72, 0x75, 0x6c, 0x65, 0x18, 0x02, 0x20, 0x03, 0x28,
+	0x0b, 0x32, 0x1c, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75,
+	0x74, 0x65, 0x72, 0x2e, 0x52, 0x6f, 0x75, 0x74, 0x69, 0x6e, 0x67, 0x52, 0x75, 0x6c, 0x65, 0x52,
+	0x04, 0x72, 0x75, 0x6c, 0x65, 0x12, 0x45, 0x0a, 0x0e, 0x62, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69,
+	0x6e, 0x67, 0x5f, 0x72, 0x75, 0x6c, 0x65, 0x18, 0x03, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x1e, 0x2e,
+	0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x2e,
+	0x42, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e, 0x67, 0x52, 0x75, 0x6c, 0x65, 0x52, 0x0d, 0x62,
+	0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e, 0x67, 0x52, 0x75, 0x6c, 0x65, 0x22, 0x47, 0x0a, 0x0e,
+	0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x08,
+	0x0a, 0x04, 0x41, 0x73, 0x49, 0x73, 0x10, 0x00, 0x12, 0x09, 0x0a, 0x05, 0x55, 0x73, 0x65, 0x49,
+	0x70, 0x10, 0x01, 0x12, 0x10, 0x0a, 0x0c, 0x49, 0x70, 0x49, 0x66, 0x4e, 0x6f, 0x6e, 0x4d, 0x61,
+	0x74, 0x63, 0x68, 0x10, 0x02, 0x12, 0x0e, 0x0a, 0x0a, 0x49, 0x70, 0x4f, 0x6e, 0x44, 0x65, 0x6d,
+	0x61, 0x6e, 0x64, 0x10, 0x03, 0x42, 0x4f, 0x0a, 0x13, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61,
+	0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x50, 0x01, 0x5a, 0x24,
+	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, 0x72, 0x6f,
+	0x75, 0x74, 0x65, 0x72, 0xaa, 0x02, 0x0f, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e,
+	0x52, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1065,7 +1073,7 @@ func file_app_router_config_proto_rawDescGZIP() []byte {
 }
 
 var file_app_router_config_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
-var file_app_router_config_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
+var file_app_router_config_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
 var file_app_router_config_proto_goTypes = []interface{}{
 	(Domain_Type)(0),           // 0: xray.app.router.Domain.Type
 	(Config_DomainStrategy)(0), // 1: xray.app.router.Config.DomainStrategy
@@ -1079,10 +1087,11 @@ var file_app_router_config_proto_goTypes = []interface{}{
 	(*BalancingRule)(nil),      // 9: xray.app.router.BalancingRule
 	(*Config)(nil),             // 10: xray.app.router.Config
 	(*Domain_Attribute)(nil),   // 11: xray.app.router.Domain.Attribute
-	(*net.PortRange)(nil),      // 12: xray.common.net.PortRange
-	(*net.PortList)(nil),       // 13: xray.common.net.PortList
-	(*net.NetworkList)(nil),    // 14: xray.common.net.NetworkList
-	(net.Network)(0),           // 15: xray.common.net.Network
+	nil,                        // 12: xray.app.router.RoutingRule.AttributesEntry
+	(*net.PortRange)(nil),      // 13: xray.common.net.PortRange
+	(*net.PortList)(nil),       // 14: xray.common.net.PortList
+	(*net.NetworkList)(nil),    // 15: xray.common.net.NetworkList
+	(net.Network)(0),           // 16: xray.common.net.Network
 }
 var file_app_router_config_proto_depIdxs = []int32{
 	0,  // 0: xray.app.router.Domain.type:type_name -> xray.app.router.Domain.Type
@@ -1094,21 +1103,22 @@ var file_app_router_config_proto_depIdxs = []int32{
 	2,  // 6: xray.app.router.RoutingRule.domain:type_name -> xray.app.router.Domain
 	3,  // 7: xray.app.router.RoutingRule.cidr:type_name -> xray.app.router.CIDR
 	4,  // 8: xray.app.router.RoutingRule.geoip:type_name -> xray.app.router.GeoIP
-	12, // 9: xray.app.router.RoutingRule.port_range:type_name -> xray.common.net.PortRange
-	13, // 10: xray.app.router.RoutingRule.port_list:type_name -> xray.common.net.PortList
-	14, // 11: xray.app.router.RoutingRule.network_list:type_name -> xray.common.net.NetworkList
-	15, // 12: xray.app.router.RoutingRule.networks:type_name -> xray.common.net.Network
+	13, // 9: xray.app.router.RoutingRule.port_range:type_name -> xray.common.net.PortRange
+	14, // 10: xray.app.router.RoutingRule.port_list:type_name -> xray.common.net.PortList
+	15, // 11: xray.app.router.RoutingRule.network_list:type_name -> xray.common.net.NetworkList
+	16, // 12: xray.app.router.RoutingRule.networks:type_name -> xray.common.net.Network
 	3,  // 13: xray.app.router.RoutingRule.source_cidr:type_name -> xray.app.router.CIDR
 	4,  // 14: xray.app.router.RoutingRule.source_geoip:type_name -> xray.app.router.GeoIP
-	13, // 15: xray.app.router.RoutingRule.source_port_list:type_name -> xray.common.net.PortList
-	1,  // 16: xray.app.router.Config.domain_strategy:type_name -> xray.app.router.Config.DomainStrategy
-	8,  // 17: xray.app.router.Config.rule:type_name -> xray.app.router.RoutingRule
-	9,  // 18: xray.app.router.Config.balancing_rule:type_name -> xray.app.router.BalancingRule
-	19, // [19:19] is the sub-list for method output_type
-	19, // [19:19] is the sub-list for method input_type
-	19, // [19:19] is the sub-list for extension type_name
-	19, // [19:19] is the sub-list for extension extendee
-	0,  // [0:19] is the sub-list for field type_name
+	14, // 15: xray.app.router.RoutingRule.source_port_list:type_name -> xray.common.net.PortList
+	12, // 16: xray.app.router.RoutingRule.attributes:type_name -> xray.app.router.RoutingRule.AttributesEntry
+	1,  // 17: xray.app.router.Config.domain_strategy:type_name -> xray.app.router.Config.DomainStrategy
+	8,  // 18: xray.app.router.Config.rule:type_name -> xray.app.router.RoutingRule
+	9,  // 19: xray.app.router.Config.balancing_rule:type_name -> xray.app.router.BalancingRule
+	20, // [20:20] is the sub-list for method output_type
+	20, // [20:20] is the sub-list for method input_type
+	20, // [20:20] is the sub-list for extension type_name
+	20, // [20:20] is the sub-list for extension extendee
+	0,  // [0:20] is the sub-list for field type_name
 }
 
 func init() { file_app_router_config_proto_init() }
@@ -1252,7 +1262,7 @@ func file_app_router_config_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_app_router_config_proto_rawDesc,
 			NumEnums:      2,
-			NumMessages:   10,
+			NumMessages:   11,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

app/router/config.proto

@@ -119,7 +119,7 @@ message RoutingRule {
   repeated string inbound_tag = 8;
   repeated string protocol = 9;
 
-  string attributes = 15;
+  map<string, string> attributes = 15;
 
   string domain_matcher = 17;
 }

app/stats/command/command.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/stats/command/command.proto
 
 package command

app/stats/command/command_grpc.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.2.0
-// - protoc             v3.18.0
+// - protoc-gen-go-grpc v1.3.0
+// - protoc             v4.23.1
 // source: app/stats/command/command.proto
 
 package command
@@ -18,6 +18,12 @@ import (
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
+const (
+	StatsService_GetStats_FullMethodName    = "/xray.app.stats.command.StatsService/GetStats"
+	StatsService_QueryStats_FullMethodName  = "/xray.app.stats.command.StatsService/QueryStats"
+	StatsService_GetSysStats_FullMethodName = "/xray.app.stats.command.StatsService/GetSysStats"
+)
+
 // StatsServiceClient is the client API for StatsService service.
 //
 // 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.
@@ -37,7 +43,7 @@ func NewStatsServiceClient(cc grpc.ClientConnInterface) StatsServiceClient {
 
 func (c *statsServiceClient) GetStats(ctx context.Context, in *GetStatsRequest, opts ...grpc.CallOption) (*GetStatsResponse, error) {
 	out := new(GetStatsResponse)
-	err := c.cc.Invoke(ctx, "/xray.app.stats.command.StatsService/GetStats", in, out, opts...)
+	err := c.cc.Invoke(ctx, StatsService_GetStats_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -46,7 +52,7 @@ func (c *statsServiceClient) GetStats(ctx context.Context, in *GetStatsRequest,
 
 func (c *statsServiceClient) QueryStats(ctx context.Context, in *QueryStatsRequest, opts ...grpc.CallOption) (*QueryStatsResponse, error) {
 	out := new(QueryStatsResponse)
-	err := c.cc.Invoke(ctx, "/xray.app.stats.command.StatsService/QueryStats", in, out, opts...)
+	err := c.cc.Invoke(ctx, StatsService_QueryStats_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -55,7 +61,7 @@ func (c *statsServiceClient) QueryStats(ctx context.Context, in *QueryStatsReque
 
 func (c *statsServiceClient) GetSysStats(ctx context.Context, in *SysStatsRequest, opts ...grpc.CallOption) (*SysStatsResponse, error) {
 	out := new(SysStatsResponse)
-	err := c.cc.Invoke(ctx, "/xray.app.stats.command.StatsService/GetSysStats", in, out, opts...)
+	err := c.cc.Invoke(ctx, StatsService_GetSysStats_FullMethodName, in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -108,7 +114,7 @@ func _StatsService_GetStats_Handler(srv interface{}, ctx context.Context, dec fu
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/xray.app.stats.command.StatsService/GetStats",
+		FullMethod: StatsService_GetStats_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(StatsServiceServer).GetStats(ctx, req.(*GetStatsRequest))
@@ -126,7 +132,7 @@ func _StatsService_QueryStats_Handler(srv interface{}, ctx context.Context, dec
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/xray.app.stats.command.StatsService/QueryStats",
+		FullMethod: StatsService_QueryStats_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(StatsServiceServer).QueryStats(ctx, req.(*QueryStatsRequest))
@@ -144,7 +150,7 @@ func _StatsService_GetSysStats_Handler(srv interface{}, ctx context.Context, dec
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/xray.app.stats.command.StatsService/GetSysStats",
+		FullMethod: StatsService_GetSysStats_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(StatsServiceServer).GetSysStats(ctx, req.(*SysStatsRequest))

app/stats/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: app/stats/config.proto
 
 package stats

common/buf/buffer.go

@@ -160,6 +160,19 @@ func (b *Buffer) BytesTo(to int32) []byte {
 	return b.v[b.start : b.start+to]
 }
 
+// Check makes sure that 0 <= b.start <= b.end.
+func (b *Buffer) Check() {
+	if b.start < 0 {
+		b.start = 0
+	}
+	if b.end < 0 {
+		b.end = 0
+	}
+	if b.start > b.end {
+		b.start = b.end
+	}
+}
+
 // Resize cuts the buffer at the given position.
 func (b *Buffer) Resize(from, to int32) {
 	if from < 0 {
@@ -173,6 +186,7 @@ func (b *Buffer) Resize(from, to int32) {
 	}
 	b.end = b.start + to
 	b.start += from
+	b.Check()
 }
 
 // Advance cuts the buffer at the given position.
@@ -181,6 +195,7 @@ func (b *Buffer) Advance(from int32) {
 		from += b.Len()
 	}
 	b.start += from
+	b.Check()
 }
 
 // Len returns the length of the buffer content.

common/buf/multi_buffer.go

@@ -203,6 +203,19 @@ func SplitSize(mb MultiBuffer, size int32) (MultiBuffer, MultiBuffer) {
 	return mb, r
 }
 
+// SplitMulti splits the beginning of the MultiBuffer into first one, the index i and after into second one
+func SplitMulti(mb MultiBuffer, i int) (MultiBuffer, MultiBuffer) {
+	mb2 := make(MultiBuffer, 0, len(mb))
+	if i < len(mb) && i >= 0 {
+		mb2 = append(mb2, mb[i:]...)
+		for j := i; j < len(mb); j++ {
+			mb[j] = nil
+		}
+		mb = mb[:i]
+	}
+	return mb, mb2
+}
+
 // WriteMultiBuffer writes all buffers from the MultiBuffer to the Writer one by one, and return error if any, with leftover MultiBuffer.
 func WriteMultiBuffer(writer io.Writer, mb MultiBuffer) (MultiBuffer, error) {
 	for {

common/buf/override.go

@@ -0,0 +1,38 @@
+package buf
+
+import (
+	"github.com/xtls/xray-core/common/net"
+)
+
+type EndpointOverrideReader struct {
+	Reader
+	Dest         net.Address
+	OriginalDest net.Address
+}
+
+func (r *EndpointOverrideReader) ReadMultiBuffer() (MultiBuffer, error) {
+	mb, err := r.Reader.ReadMultiBuffer()
+	if err == nil {
+		for _, b := range mb {
+			if b.UDP != nil && b.UDP.Address == r.OriginalDest {
+				b.UDP.Address = r.Dest
+			}
+		}
+	}
+	return mb, err
+}
+
+type EndpointOverrideWriter struct {
+	Writer
+	Dest         net.Address
+	OriginalDest net.Address
+}
+
+func (w *EndpointOverrideWriter) WriteMultiBuffer(mb MultiBuffer) error {
+	for _, b := range mb {
+		if b.UDP != nil && b.UDP.Address == w.Dest {
+			b.UDP.Address = w.OriginalDest
+		}
+	}
+	return w.Writer.WriteMultiBuffer(mb)
+}

common/crypto/auth.go

@@ -2,8 +2,8 @@ package crypto
 
 import (
 	"crypto/cipher"
+	"crypto/rand"
 	"io"
-	"math/rand"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
@@ -265,7 +265,8 @@ func (w *AuthenticationWriter) seal(b []byte) (*buf.Buffer, error) {
 		return nil, err
 	}
 	if paddingSize > 0 {
-		// With size of the chunk and padding length encrypted, the content of padding doesn't matter much.
+		// These paddings will send in clear text.
+		// To avoid leakage of PRNG internal state, a cryptographically secure PRNG should be used.
 		paddingBytes := eb.Extend(paddingSize)
 		common.Must2(rand.Read(paddingBytes))
 	}

common/errors/multi_error.go

@@ -28,3 +28,20 @@ func Combine(maybeError ...error) error {
 	}
 	return errs
 }
+
+func AllEqual(expected error, actual error) bool {
+	switch errs := actual.(type) {
+	case multiError:
+		if len(errs) == 0 {
+			return false
+		}
+		for _, err := range errs {
+			if err != expected {
+				return false
+			}
+		}
+		return true
+	default:
+		return errs == expected
+	}
+}

common/log/log.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: common/log/log.proto
 
 package log

common/mux/client.go

@@ -14,6 +14,7 @@ import (
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/common/signal/done"
 	"github.com/xtls/xray-core/common/task"
+	"github.com/xtls/xray-core/common/xudp"
 	"github.com/xtls/xray-core/proxy"
 	"github.com/xtls/xray-core/transport"
 	"github.com/xtls/xray-core/transport/internet"
@@ -247,22 +248,20 @@ func fetchInput(ctx context.Context, s *Session, output buf.Writer) {
 		transferType = protocol.TransferTypePacket
 	}
 	s.transferType = transferType
-	writer := NewWriter(s.ID, dest, output, transferType)
-	defer s.Close()
+	writer := NewWriter(s.ID, dest, output, transferType, xudp.GetGlobalID(ctx))
+	defer s.Close(false)
 	defer writer.Close()
 
 	newError("dispatching request to ", dest).WriteToLog(session.ExportIDToError(ctx))
 	if err := writeFirstPayload(s.input, writer); err != nil {
 		newError("failed to write first payload").Base(err).WriteToLog(session.ExportIDToError(ctx))
 		writer.hasError = true
-		common.Interrupt(s.input)
 		return
 	}
 
 	if err := buf.Copy(s.input, writer); err != nil {
 		newError("failed to fetch all input").Base(err).WriteToLog(session.ExportIDToError(ctx))
 		writer.hasError = true
-		common.Interrupt(s.input)
 		return
 	}
 }
@@ -335,15 +334,8 @@ func (m *ClientWorker) handleStatusKeep(meta *FrameMetadata, reader *buf.Buffere
 	err := buf.Copy(rr, s.output)
 	if err != nil && buf.IsWriteError(err) {
 		newError("failed to write to downstream. closing session ", s.ID).Base(err).WriteToLog()
-
-		// Notify remote peer to close this session.
-		closingWriter := NewResponseWriter(meta.SessionID, m.link.Writer, protocol.TransferTypeStream)
-		closingWriter.Close()
-
-		drainErr := buf.Copy(rr, buf.Discard)
-		common.Interrupt(s.input)
-		s.Close()
-		return drainErr
+		s.Close(false)
+		return buf.Copy(rr, buf.Discard)
 	}
 
 	return err
@@ -351,11 +343,7 @@ func (m *ClientWorker) handleStatusKeep(meta *FrameMetadata, reader *buf.Buffere
 
 func (m *ClientWorker) handleStatusEnd(meta *FrameMetadata, reader *buf.BufferedReader) error {
 	if s, found := m.sessionManager.Get(meta.SessionID); found {
-		if meta.Option.Has(OptionError) {
-			common.Interrupt(s.input)
-			common.Interrupt(s.output)
-		}
-		s.Close()
+		s.Close(false)
 	}
 	if meta.Option.Has(OptionData) {
 		return buf.Copy(NewStreamReader(reader), buf.Discard)

common/mux/frame.go

@@ -58,6 +58,7 @@ type FrameMetadata struct {
 	SessionID     uint16
 	Option        bitmask.Byte
 	SessionStatus SessionStatus
+	GlobalID      [8]byte
 }
 
 func (f FrameMetadata) WriteTo(b *buf.Buffer) error {
@@ -81,6 +82,9 @@ func (f FrameMetadata) WriteTo(b *buf.Buffer) error {
 		if err := addrParser.WriteAddressPort(b, f.Target.Address, f.Target.Port); err != nil {
 			return err
 		}
+		if b.UDP != nil { // make sure it's user's proxy request
+			b.Write(f.GlobalID[:]) // no need to check whether it's empty
+		}
 	} else if b.UDP != nil {
 		b.WriteByte(byte(TargetNetworkUDP))
 		addrParser.WriteAddressPort(b, b.UDP.Address, b.UDP.Port)
@@ -122,7 +126,8 @@ func (f *FrameMetadata) UnmarshalFromBuffer(b *buf.Buffer) error {
 	f.Option = bitmask.Byte(b.Byte(3))
 	f.Target.Network = net.Network_Unknown
 
-	if f.SessionStatus == SessionStatusNew || (f.SessionStatus == SessionStatusKeep && b.Len() != 4) {
+	if f.SessionStatus == SessionStatusNew || (f.SessionStatus == SessionStatusKeep && b.Len() > 4 &&
+		TargetNetwork(b.Byte(4)) == TargetNetworkUDP) { // MUST check the flag first
 		if b.Len() < 8 {
 			return newError("insufficient buffer: ", b.Len())
 		}
@@ -144,5 +149,11 @@ func (f *FrameMetadata) UnmarshalFromBuffer(b *buf.Buffer) error {
 		}
 	}
 
+	// Application data is essential, to test whether the pipe is closed.
+	if f.SessionStatus == SessionStatusNew && f.Option.Has(OptionData) &&
+		f.Target.Network == net.Network_UDP && b.Len() >= 8 {
+		copy(f.GlobalID[:], b.Bytes())
+	}
+
 	return nil
 }

common/mux/mux_test.go

@@ -32,13 +32,13 @@ func TestReaderWriter(t *testing.T) {
 	pReader, pWriter := pipe.New(pipe.WithSizeLimit(1024))
 
 	dest := net.TCPDestination(net.DomainAddress("example.com"), 80)
-	writer := NewWriter(1, dest, pWriter, protocol.TransferTypeStream)
+	writer := NewWriter(1, dest, pWriter, protocol.TransferTypeStream, [8]byte{})
 
 	dest2 := net.TCPDestination(net.LocalHostIP, 443)
-	writer2 := NewWriter(2, dest2, pWriter, protocol.TransferTypeStream)
+	writer2 := NewWriter(2, dest2, pWriter, protocol.TransferTypeStream, [8]byte{})
 
 	dest3 := net.TCPDestination(net.LocalHostIPv6, 18374)
-	writer3 := NewWriter(3, dest3, pWriter, protocol.TransferTypeStream)
+	writer3 := NewWriter(3, dest3, pWriter, protocol.TransferTypeStream, [8]byte{})
 
 	writePayload := func(writer *Writer, payload ...byte) error {
 		b := buf.New()

common/mux/server.go

@@ -99,7 +99,7 @@ func handle(ctx context.Context, s *Session, output buf.Writer) {
 	}
 
 	writer.Close()
-	s.Close()
+	s.Close(false)
 }
 
 func (w *ServerWorker) ActiveConnections() uint32 {
@@ -131,6 +131,81 @@ func (w *ServerWorker) handleStatusNew(ctx context.Context, meta *FrameMetadata,
 		}
 		ctx = log.ContextWithAccessMessage(ctx, msg)
 	}
+
+	if network := session.AllowedNetworkFromContext(ctx); network != net.Network_Unknown {
+		if meta.Target.Network != network {
+			return newError("unexpected network ", meta.Target.Network) // it will break the whole Mux connection
+		}
+	}
+
+	if meta.GlobalID != [8]byte{} { // MUST ignore empty Global ID
+		mb, err := NewPacketReader(reader, &meta.Target).ReadMultiBuffer()
+		if err != nil {
+			return err
+		}
+		XUDPManager.Lock()
+		x := XUDPManager.Map[meta.GlobalID]
+		if x == nil {
+			x = &XUDP{GlobalID: meta.GlobalID}
+			XUDPManager.Map[meta.GlobalID] = x
+			XUDPManager.Unlock()
+		} else {
+			if x.Status == Initializing { // nearly impossible
+				XUDPManager.Unlock()
+				newError("XUDP hit ", meta.GlobalID).Base(errors.New("conflict")).AtWarning().WriteToLog(session.ExportIDToError(ctx))
+				// It's not a good idea to return an err here, so just let client wait.
+				// Client will receive an End frame after sending a Keep frame.
+				return nil
+			}
+			x.Status = Initializing
+			XUDPManager.Unlock()
+			x.Mux.Close(false) // detach from previous Mux
+			b := buf.New()
+			b.Write(mb[0].Bytes())
+			b.UDP = mb[0].UDP
+			if err = x.Mux.output.WriteMultiBuffer(mb); err != nil {
+				x.Interrupt()
+				mb = buf.MultiBuffer{b}
+			} else {
+				b.Release()
+				mb = nil
+			}
+			newError("XUDP hit ", meta.GlobalID).Base(err).WriteToLog(session.ExportIDToError(ctx))
+		}
+		if mb != nil {
+			ctx = session.ContextWithTimeoutOnly(ctx, true)
+			// Actually, it won't return an error in Xray-core's implementations.
+			link, err := w.dispatcher.Dispatch(ctx, meta.Target)
+			if err != nil {
+				XUDPManager.Lock()
+				delete(XUDPManager.Map, x.GlobalID)
+				XUDPManager.Unlock()
+				err = newError("XUDP new ", meta.GlobalID).Base(errors.New("failed to dispatch request to ", meta.Target).Base(err))
+				return err // it will break the whole Mux connection
+			}
+			link.Writer.WriteMultiBuffer(mb) // it's meaningless to test a new pipe
+			x.Mux = &Session{
+				input:  link.Reader,
+				output: link.Writer,
+			}
+			newError("XUDP new ", meta.GlobalID).Base(err).WriteToLog(session.ExportIDToError(ctx))
+		}
+		x.Mux = &Session{
+			input:        x.Mux.input,
+			output:       x.Mux.output,
+			parent:       w.sessionManager,
+			ID:           meta.SessionID,
+			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 nil
+	}
+
 	link, err := w.dispatcher.Dispatch(ctx, meta.Target)
 	if err != nil {
 		if meta.Option.Has(OptionData) {
@@ -157,8 +232,7 @@ func (w *ServerWorker) handleStatusNew(ctx context.Context, meta *FrameMetadata,
 	rr := s.NewReader(reader, &meta.Target)
 	if err := buf.Copy(rr, s.output); err != nil {
 		buf.Copy(rr, buf.Discard)
-		common.Interrupt(s.input)
-		return s.Close()
+		return s.Close(false)
 	}
 	return nil
 }
@@ -182,15 +256,8 @@ func (w *ServerWorker) handleStatusKeep(meta *FrameMetadata, reader *buf.Buffere
 
 	if err != nil && buf.IsWriteError(err) {
 		newError("failed to write to downstream writer. closing session ", s.ID).Base(err).WriteToLog()
-
-		// Notify remote peer to close this session.
-		closingWriter := NewResponseWriter(meta.SessionID, w.link.Writer, protocol.TransferTypeStream)
-		closingWriter.Close()
-
-		drainErr := buf.Copy(rr, buf.Discard)
-		common.Interrupt(s.input)
-		s.Close()
-		return drainErr
+		s.Close(false)
+		return buf.Copy(rr, buf.Discard)
 	}
 
 	return err
@@ -198,11 +265,7 @@ func (w *ServerWorker) handleStatusKeep(meta *FrameMetadata, reader *buf.Buffere
 
 func (w *ServerWorker) handleStatusEnd(meta *FrameMetadata, reader *buf.BufferedReader) error {
 	if s, found := w.sessionManager.Get(meta.SessionID); found {
-		if meta.Option.Has(OptionError) {
-			common.Interrupt(s.input)
-			common.Interrupt(s.output)
-		}
-		s.Close()
+		s.Close(false)
 	}
 	if meta.Option.Has(OptionData) {
 		return buf.Copy(NewStreamReader(reader), buf.Discard)

common/mux/session.go

@@ -1,12 +1,16 @@
 package mux
 
 import (
+	"io"
+	"runtime"
 	"sync"
+	"time"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/protocol"
+	"github.com/xtls/xray-core/transport/pipe"
 )
 
 type SessionManager struct {
@@ -61,21 +65,25 @@ func (m *SessionManager) Allocate() *Session {
 	return s
 }
 
-func (m *SessionManager) Add(s *Session) {
+func (m *SessionManager) Add(s *Session) bool {
 	m.Lock()
 	defer m.Unlock()
 
 	if m.closed {
-		return
+		return false
 	}
 
 	m.count++
 	m.sessions[s.ID] = s
+	return true
 }
 
-func (m *SessionManager) Remove(id uint16) {
-	m.Lock()
-	defer m.Unlock()
+func (m *SessionManager) Remove(locked bool, id uint16) {
+	if !locked {
+		m.Lock()
+		defer m.Unlock()
+	}
+	locked = true
 
 	if m.closed {
 		return
@@ -83,9 +91,11 @@ func (m *SessionManager) Remove(id uint16) {
 
 	delete(m.sessions, id)
 
-	if len(m.sessions) == 0 {
-		m.sessions = make(map[uint16]*Session, 16)
-	}
+	/*
+		if len(m.sessions) == 0 {
+			m.sessions = make(map[uint16]*Session, 16)
+		}
+	*/
 }
 
 func (m *SessionManager) Get(id uint16) (*Session, bool) {
@@ -127,8 +137,7 @@ func (m *SessionManager) Close() error {
 	m.closed = true
 
 	for _, s := range m.sessions {
-		common.Close(s.input)
-		common.Close(s.output)
+		s.Close(true)
 	}
 
 	m.sessions = nil
@@ -142,13 +151,40 @@ type Session struct {
 	parent       *SessionManager
 	ID           uint16
 	transferType protocol.TransferType
+	closed       bool
+	XUDP         *XUDP
 }
 
 // Close closes all resources associated with this session.
-func (s *Session) Close() error {
-	common.Close(s.output)
-	common.Close(s.input)
-	s.parent.Remove(s.ID)
+func (s *Session) Close(locked bool) error {
+	if !locked {
+		s.parent.Lock()
+		defer s.parent.Unlock()
+	}
+	locked = true
+	if s.closed {
+		return nil
+	}
+	s.closed = true
+	if s.XUDP == nil {
+		common.Interrupt(s.input)
+		common.Close(s.output)
+	} else {
+		// Stop existing handle(), then trigger writer.Close().
+		// Note that s.output may be dispatcher.SizeStatWriter.
+		s.input.(*pipe.Reader).ReturnAnError(io.EOF)
+		runtime.Gosched()
+		// If the error set by ReturnAnError still exists, clear it.
+		s.input.(*pipe.Reader).Recover()
+		XUDPManager.Lock()
+		if s.XUDP.Status == Active {
+			s.XUDP.Expire = time.Now().Add(time.Minute)
+			s.XUDP.Status = Expiring
+			newError("XUDP put ", s.XUDP.GlobalID).AtDebug().WriteToLog()
+		}
+		XUDPManager.Unlock()
+	}
+	s.parent.Remove(locked, s.ID)
 	return nil
 }
 
@@ -159,3 +195,45 @@ func (s *Session) NewReader(reader *buf.BufferedReader, dest *net.Destination) b
 	}
 	return NewPacketReader(reader, dest)
 }
+
+const (
+	Initializing = 0
+	Active       = 1
+	Expiring     = 2
+)
+
+type XUDP struct {
+	GlobalID [8]byte
+	Status   uint64
+	Expire   time.Time
+	Mux      *Session
+}
+
+func (x *XUDP) Interrupt() {
+	common.Interrupt(x.Mux.input)
+	common.Close(x.Mux.output)
+}
+
+var XUDPManager struct {
+	sync.Mutex
+	Map map[[8]byte]*XUDP
+}
+
+func init() {
+	XUDPManager.Map = make(map[[8]byte]*XUDP)
+	go func() {
+		for {
+			time.Sleep(time.Minute)
+			now := time.Now()
+			XUDPManager.Lock()
+			for id, x := range XUDPManager.Map {
+				if x.Status == Expiring && now.After(x.Expire) {
+					x.Interrupt()
+					delete(XUDPManager.Map, id)
+					newError("XUDP del ", id).AtDebug().WriteToLog()
+				}
+			}
+			XUDPManager.Unlock()
+		}
+	}()
+}

common/mux/session_test.go

@@ -44,7 +44,7 @@ func TestSessionManagerClose(t *testing.T) {
 	if m.CloseIfNoSession() {
 		t.Error("able to close")
 	}
-	m.Remove(s.ID)
+	m.Remove(false, s.ID)
 	if !m.CloseIfNoSession() {
 		t.Error("not able to close")
 	}

common/mux/writer.go

@@ -15,15 +15,17 @@ type Writer struct {
 	followup     bool
 	hasError     bool
 	transferType protocol.TransferType
+	globalID     [8]byte
 }
 
-func NewWriter(id uint16, dest net.Destination, writer buf.Writer, transferType protocol.TransferType) *Writer {
+func NewWriter(id uint16, dest net.Destination, writer buf.Writer, transferType protocol.TransferType, globalID [8]byte) *Writer {
 	return &Writer{
 		id:           id,
 		dest:         dest,
 		writer:       writer,
 		followup:     false,
 		transferType: transferType,
+		globalID:     globalID,
 	}
 }
 
@@ -40,6 +42,7 @@ func (w *Writer) getNextFrameMeta() FrameMetadata {
 	meta := FrameMetadata{
 		SessionID: w.id,
 		Target:    w.dest,
+		GlobalID:  w.globalID,
 	}
 
 	if w.followup {

common/net/address.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: common/net/address.proto
 
 package net
@@ -28,6 +28,7 @@ type IPOrDomain struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Types that are assignable to Address:
+	//
 	//	*IPOrDomain_Ip
 	//	*IPOrDomain_Domain
 	Address isIPOrDomain_Address `protobuf_oneof:"address"`

common/net/destination.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: common/net/destination.proto
 
 package net

common/net/network.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: common/net/network.proto
 
 package net
@@ -24,7 +24,7 @@ type Network int32
 
 const (
 	Network_Unknown Network = 0
-	// Deprecated: Do not use.
+	// Deprecated: Marked as deprecated in common/net/network.proto.
 	Network_RawTCP Network = 1
 	Network_TCP    Network = 2
 	Network_UDP    Network = 3

common/net/port.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: common/net/port.proto
 
 package net

common/protocol/headers.go

@@ -6,6 +6,7 @@ import (
 	"github.com/xtls/xray-core/common/bitmask"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/uuid"
+	"golang.org/x/sys/cpu"
 )
 
 // RequestCommand is a custom command in a proxy request.
@@ -29,11 +30,10 @@ func (c RequestCommand) TransferType() TransferType {
 }
 
 const (
-	// RequestOptionChunkStream indicates request payload is chunked. Each chunk consists of length, authentication and payload.
+	// [DEPRECATED 2023-06] RequestOptionChunkStream indicates request payload is chunked. Each chunk consists of length, authentication and payload.
 	RequestOptionChunkStream bitmask.Byte = 0x01
 
-	// RequestOptionConnectionReuse indicates client side expects to reuse the connection.
-	RequestOptionConnectionReuse bitmask.Byte = 0x02
+	// 0x02 legacy setting
 
 	RequestOptionChunkMasking bitmask.Byte = 0x04
 
@@ -75,13 +75,24 @@ type CommandSwitchAccount struct {
 	Port     net.Port
 	ID       uuid.UUID
 	Level    uint32
-	AlterIds uint16
 	ValidMin byte
 }
 
+var (
+	hasGCMAsmAMD64 = cpu.X86.HasAES && cpu.X86.HasPCLMULQDQ
+	hasGCMAsmARM64 = cpu.ARM64.HasAES && cpu.ARM64.HasPMULL
+	// Keep in sync with crypto/aes/cipher_s390x.go.
+	hasGCMAsmS390X = cpu.S390X.HasAES && cpu.S390X.HasAESCBC && cpu.S390X.HasAESCTR &&
+		(cpu.S390X.HasGHASH || cpu.S390X.HasAESGCM)
+
+	hasAESGCMHardwareSupport = runtime.GOARCH == "amd64" && hasGCMAsmAMD64 ||
+		runtime.GOARCH == "arm64" && hasGCMAsmARM64 ||
+		runtime.GOARCH == "s390x" && hasGCMAsmS390X
+)
+
 func (sc *SecurityConfig) GetSecurityType() SecurityType {
 	if sc == nil || sc.Type == SecurityType_AUTO {
-		if runtime.GOARCH == "amd64" || runtime.GOARCH == "s390x" || runtime.GOARCH == "arm64" {
+		if hasAESGCMHardwareSupport {
 			return SecurityType_AES128_GCM
 		}
 		return SecurityType_CHACHA20_POLY1305

common/protocol/headers.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: common/protocol/headers.proto
 
 package protocol
@@ -24,11 +24,10 @@ type SecurityType int32
 
 const (
 	SecurityType_UNKNOWN           SecurityType = 0
-	SecurityType_LEGACY            SecurityType = 1
 	SecurityType_AUTO              SecurityType = 2
 	SecurityType_AES128_GCM        SecurityType = 3
 	SecurityType_CHACHA20_POLY1305 SecurityType = 4
-	SecurityType_NONE              SecurityType = 5
+	SecurityType_NONE              SecurityType = 5 // [DEPRECATED 2023-06]
 	SecurityType_ZERO              SecurityType = 6
 )
 
@@ -36,7 +35,6 @@ const (
 var (
 	SecurityType_name = map[int32]string{
 		0: "UNKNOWN",
-		1: "LEGACY",
 		2: "AUTO",
 		3: "AES128_GCM",
 		4: "CHACHA20_POLY1305",
@@ -45,7 +43,6 @@ var (
 	}
 	SecurityType_value = map[string]int32{
 		"UNKNOWN":           0,
-		"LEGACY":            1,
 		"AUTO":              2,
 		"AES128_GCM":        3,
 		"CHACHA20_POLY1305": 4,
@@ -139,20 +136,19 @@ var file_common_protocol_headers_proto_rawDesc = []byte{
 	0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x22, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d,
 	0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x2e, 0x53, 0x65, 0x63,
 	0x75, 0x72, 0x69, 0x74, 0x79, 0x54, 0x79, 0x70, 0x65, 0x52, 0x04, 0x74, 0x79, 0x70, 0x65, 0x2a,
-	0x6c, 0x0a, 0x0c, 0x53, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x54, 0x79, 0x70, 0x65, 0x12,
-	0x0b, 0x0a, 0x07, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x4e, 0x10, 0x00, 0x12, 0x0a, 0x0a, 0x06,
-	0x4c, 0x45, 0x47, 0x41, 0x43, 0x59, 0x10, 0x01, 0x12, 0x08, 0x0a, 0x04, 0x41, 0x55, 0x54, 0x4f,
-	0x10, 0x02, 0x12, 0x0e, 0x0a, 0x0a, 0x41, 0x45, 0x53, 0x31, 0x32, 0x38, 0x5f, 0x47, 0x43, 0x4d,
-	0x10, 0x03, 0x12, 0x15, 0x0a, 0x11, 0x43, 0x48, 0x41, 0x43, 0x48, 0x41, 0x32, 0x30, 0x5f, 0x50,
-	0x4f, 0x4c, 0x59, 0x31, 0x33, 0x30, 0x35, 0x10, 0x04, 0x12, 0x08, 0x0a, 0x04, 0x4e, 0x4f, 0x4e,
-	0x45, 0x10, 0x05, 0x12, 0x08, 0x0a, 0x04, 0x5a, 0x45, 0x52, 0x4f, 0x10, 0x06, 0x42, 0x5e, 0x0a,
-	0x18, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e,
-	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x50, 0x01, 0x5a, 0x29, 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, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x70, 0x72,
-	0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0xaa, 0x02, 0x14, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x43, 0x6f,
-	0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x62, 0x06, 0x70,
-	0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x60, 0x0a, 0x0c, 0x53, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x54, 0x79, 0x70, 0x65, 0x12,
+	0x0b, 0x0a, 0x07, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x4e, 0x10, 0x00, 0x12, 0x08, 0x0a, 0x04,
+	0x41, 0x55, 0x54, 0x4f, 0x10, 0x02, 0x12, 0x0e, 0x0a, 0x0a, 0x41, 0x45, 0x53, 0x31, 0x32, 0x38,
+	0x5f, 0x47, 0x43, 0x4d, 0x10, 0x03, 0x12, 0x15, 0x0a, 0x11, 0x43, 0x48, 0x41, 0x43, 0x48, 0x41,
+	0x32, 0x30, 0x5f, 0x50, 0x4f, 0x4c, 0x59, 0x31, 0x33, 0x30, 0x35, 0x10, 0x04, 0x12, 0x08, 0x0a,
+	0x04, 0x4e, 0x4f, 0x4e, 0x45, 0x10, 0x05, 0x12, 0x08, 0x0a, 0x04, 0x5a, 0x45, 0x52, 0x4f, 0x10,
+	0x06, 0x42, 0x5e, 0x0a, 0x18, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f,
+	0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x50, 0x01, 0x5a,
+	0x29, 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, 0x63, 0x6f, 0x6d, 0x6d, 0x6f,
+	0x6e, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0xaa, 0x02, 0x14, 0x58, 0x72, 0x61,
+	0x79, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f,
+	0x6c, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

common/protocol/headers.proto

@@ -8,11 +8,10 @@ option java_multiple_files = true;
 
 enum SecurityType {
   UNKNOWN = 0;
-  LEGACY = 1;
   AUTO = 2;
   AES128_GCM = 3;
   CHACHA20_POLY1305 = 4;
-  NONE = 5;
+  NONE = 5; // [DEPRECATED 2023-06] 
   ZERO = 6;
 }
 

common/protocol/id.go

@@ -1,9 +1,7 @@
 package protocol
 
 import (
-	"crypto/hmac"
 	"crypto/md5"
-	"hash"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/uuid"
@@ -13,12 +11,6 @@ const (
 	IDBytesLen = 16
 )
 
-type IDHash func(key []byte) hash.Hash
-
-func DefaultIDHash(key []byte) hash.Hash {
-	return hmac.New(md5.New, key)
-}
-
 // The ID of en entity, in the form of a UUID.
 type ID struct {
 	uuid   uuid.UUID
@@ -55,28 +47,3 @@ func NewID(uuid uuid.UUID) *ID {
 	md5hash.Sum(id.cmdKey[:0])
 	return id
 }
-
-func nextID(u *uuid.UUID) uuid.UUID {
-	md5hash := md5.New()
-	common.Must2(md5hash.Write(u.Bytes()))
-	common.Must2(md5hash.Write([]byte("16167dc8-16b6-4e6d-b8bb-65dd68113a81")))
-	var newid uuid.UUID
-	for {
-		md5hash.Sum(newid[:0])
-		if !newid.Equals(u) {
-			return newid
-		}
-		common.Must2(md5hash.Write([]byte("533eff8a-4113-4b10-b5ce-0f5d76b98cd2")))
-	}
-}
-
-func NewAlterIDs(primary *ID, alterIDCount uint16) []*ID {
-	alterIDs := make([]*ID, alterIDCount)
-	prevID := primary.UUID()
-	for idx := range alterIDs {
-		newid := nextID(&prevID)
-		alterIDs[idx] = NewID(newid)
-		prevID = newid
-	}
-	return alterIDs
-}

common/protocol/quic/qtls_go116.go

@@ -1,19 +0,0 @@
-//go:build go1.16 && !go1.17
-// +build go1.16,!go1.17
-
-package quic
-
-import (
-	"crypto/cipher"
-
-	"github.com/marten-seemann/qtls-go1-16"
-)
-
-type (
-	// A CipherSuiteTLS13 is a cipher suite for TLS 1.3
-	CipherSuiteTLS13 = qtls.CipherSuiteTLS13
-)
-
-func AEADAESGCMTLS13(key, fixedNonce []byte) cipher.AEAD {
-	return qtls.AEADAESGCMTLS13(key, fixedNonce)
-}

common/protocol/quic/qtls_go117.go

@@ -1,19 +0,0 @@
-//go:build go1.17 && !go1.18
-// +build go1.17,!go1.18
-
-package quic
-
-import (
-	"crypto/cipher"
-
-	"github.com/marten-seemann/qtls-go1-17"
-)
-
-type (
-	// A CipherSuiteTLS13 is a cipher suite for TLS 1.3
-	CipherSuiteTLS13 = qtls.CipherSuiteTLS13
-)
-
-func AEADAESGCMTLS13(key, fixedNonce []byte) cipher.AEAD {
-	return qtls.AEADAESGCMTLS13(key, fixedNonce)
-}

common/protocol/quic/qtls_go118.go

@@ -1,19 +1,18 @@
-//go:build go1.18
-// +build go1.18
-
 package quic
 
 import (
+	"crypto"
 	"crypto/cipher"
-
-	"github.com/marten-seemann/qtls-go1-18"
+	_ "crypto/tls"
+	_ "unsafe"
 )
 
-type (
-	// A CipherSuiteTLS13 is a cipher suite for TLS 1.3
-	CipherSuiteTLS13 = qtls.CipherSuiteTLS13
-)
-
-func AEADAESGCMTLS13(key, fixedNonce []byte) cipher.AEAD {
-	return qtls.AEADAESGCMTLS13(key, fixedNonce)
+type CipherSuiteTLS13 struct {
+	ID     uint16
+	KeyLen int
+	AEAD   func(key, fixedNonce []byte) cipher.AEAD
+	Hash   crypto.Hash
 }
+
+//go:linkname AEADAESGCMTLS13 crypto/tls.aeadAESGCMTLS13
+func AEADAESGCMTLS13(key, nonceMask []byte) cipher.AEAD

common/protocol/quic/sniff.go

@@ -7,9 +7,10 @@ import (
 	"encoding/binary"
 	"io"
 
-	"github.com/lucas-clemente/quic-go/quicvarint"
+	"github.com/quic-go/quic-go/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"
 	ptls "github.com/xtls/xray-core/common/protocol/tls"
 	"golang.org/x/crypto/hkdf"
@@ -141,7 +142,7 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 		packetNumber = uint32(n)
 	}
 
-	if packetNumber != 0 {
+	if packetNumber != 0 && packetNumber != 1 {
 		return nil, errNotQuicInitial
 	}
 
@@ -159,32 +160,92 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 		return nil, err
 	}
 	buffer = buf.FromBytes(decrypted)
-	frameType, err := buffer.ReadByte()
-	if err != nil {
-		return nil, io.ErrUnexpectedEOF
+
+	cryptoLen := uint(0)
+	cryptoData := bytespool.Alloc(buffer.Len())
+	defer bytespool.Free(cryptoData)
+	for i := 0; !buffer.IsEmpty(); i++ {
+		frameType := byte(0x0) // Default to PADDING frame
+		for frameType == 0x0 && !buffer.IsEmpty() {
+			frameType, _ = buffer.ReadByte()
+		}
+		switch frameType {
+		case 0x00: // PADDING frame
+		case 0x01: // PING frame
+		case 0x02, 0x03: // ACK frame
+			if _, err = quicvarint.Read(buffer); err != nil { // Field: Largest Acknowledged
+				return nil, io.ErrUnexpectedEOF
+			}
+			if _, err = quicvarint.Read(buffer); err != nil { // Field: ACK Delay
+				return nil, io.ErrUnexpectedEOF
+			}
+			ackRangeCount, err := quicvarint.Read(buffer) // Field: ACK Range Count
+			if err != nil {
+				return nil, io.ErrUnexpectedEOF
+			}
+			if _, err = quicvarint.Read(buffer); err != nil { // Field: First ACK Range
+				return nil, io.ErrUnexpectedEOF
+			}
+			for i := 0; i < int(ackRangeCount); i++ { // Field: ACK Range
+				if _, err = quicvarint.Read(buffer); err != nil { // Field: ACK Range -> Gap
+					return nil, io.ErrUnexpectedEOF
+				}
+				if _, err = quicvarint.Read(buffer); err != nil { // Field: ACK Range -> ACK Range Length
+					return nil, io.ErrUnexpectedEOF
+				}
+			}
+			if frameType == 0x03 {
+				if _, err = quicvarint.Read(buffer); err != nil { // Field: ECN Counts -> ECT0 Count
+					return nil, io.ErrUnexpectedEOF
+				}
+				if _, err = quicvarint.Read(buffer); err != nil { // Field: ECN Counts -> ECT1 Count
+					return nil, io.ErrUnexpectedEOF
+				}
+				if _, err = quicvarint.Read(buffer); err != nil { //nolint:misspell // Field: ECN Counts -> ECT-CE Count
+					return nil, io.ErrUnexpectedEOF
+				}
+			}
+		case 0x06: // CRYPTO frame, we will use this frame
+			offset, err := quicvarint.Read(buffer) // Field: Offset
+			if err != nil {
+				return nil, io.ErrUnexpectedEOF
+			}
+			length, err := quicvarint.Read(buffer) // Field: Length
+			if err != nil || length > uint64(buffer.Len()) {
+				return nil, io.ErrUnexpectedEOF
+			}
+			if cryptoLen < uint(offset+length) {
+				cryptoLen = uint(offset + length)
+			}
+			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
+			if _, err = quicvarint.Read(buffer); err != nil { // Field: Error Code
+				return nil, io.ErrUnexpectedEOF
+			}
+			if _, err = quicvarint.Read(buffer); err != nil { // Field: Frame Type
+				return nil, io.ErrUnexpectedEOF
+			}
+			length, err := quicvarint.Read(buffer) // Field: Reason Phrase Length
+			if err != nil {
+				return nil, io.ErrUnexpectedEOF
+			}
+			if _, err := buffer.ReadBytes(int32(length)); err != nil { // Field: Reason Phrase
+				return nil, io.ErrUnexpectedEOF
+			}
+		default:
+			// Only above frame types are permitted in initial packet.
+			// See https://www.rfc-editor.org/rfc/rfc9000.html#section-17.2.2-8
+			return nil, errNotQuicInitial
+		}
 	}
-	if frameType != 0x6 {
-		// not crypto frame
-		return &SniffHeader{domain: ""}, nil
-	}
-	if common.Error2(quicvarint.Read(buffer)) != nil {
-		return nil, io.ErrUnexpectedEOF
-	}
-	dataLen, err := quicvarint.Read(buffer)
-	if err != nil {
-		return nil, io.ErrUnexpectedEOF
-	}
-	if dataLen > uint64(buffer.Len()) {
-		return nil, io.ErrUnexpectedEOF
-	}
-	frameData, err := buffer.ReadBytes(int32(dataLen))
-	common.Must(err)
+
 	tlsHdr := &ptls.SniffHeader{}
-	err = ptls.ReadClientHello(frameData, tlsHdr)
+	err = ptls.ReadClientHello(cryptoData[:cryptoLen], tlsHdr)
 	if err != nil {
 		return nil, err
 	}
-
 	return &SniffHeader{domain: tlsHdr.Domain()}, nil
 }
 

common/protocol/server_spec.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: common/protocol/server_spec.proto
 
 package protocol

common/protocol/user.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: common/protocol/user.proto
 
 package protocol

common/serial/typed_message.go

@@ -1,10 +1,9 @@
 package serial
 
 import (
-	"errors"
-	"reflect"
-
-	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/reflect/protoregistry"
 )
 
 // ToTypedMessage converts a proto Message into TypedMessage.
@@ -21,16 +20,17 @@ func ToTypedMessage(message proto.Message) *TypedMessage {
 
 // GetMessageType returns the name of this proto Message.
 func GetMessageType(message proto.Message) string {
-	return proto.MessageName(message)
+	return string(message.ProtoReflect().Descriptor().FullName())
 }
 
 // GetInstance creates a new instance of the message with messageType.
 func GetInstance(messageType string) (interface{}, error) {
-	mType := proto.MessageType(messageType)
-	if mType == nil || mType.Elem() == nil {
-		return nil, errors.New("Serial: Unknown type: " + messageType)
+	messageTypeDescriptor := protoreflect.FullName(messageType)
+	mType, err := protoregistry.GlobalTypes.FindMessageByName(messageTypeDescriptor)
+	if err != nil {
+		return nil, err
 	}
-	return reflect.New(mType.Elem()).Interface(), nil
+	return mType.New().Interface(), nil
 }
 
 // GetInstance converts current TypedMessage into a proto Message.

common/serial/typed_message.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: common/serial/typed_message.proto
 
 package serial

common/session/context.go

@@ -2,10 +2,15 @@ package session
 
 import (
 	"context"
+	_ "unsafe"
 
+	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/features/routing"
 )
 
+//go:linkname IndependentCancelCtx context.newCancelCtx
+func IndependentCancelCtx(parent context.Context) context.Context
+
 type sessionKey int
 
 const (
@@ -17,6 +22,8 @@ const (
 	sockoptSessionKey
 	trackedConnectionErrorKey
 	dispatcherKey
+	timeoutOnlyKey
+	allowedNetworkKey
 )
 
 // ContextWithID returns a new context with the given ID.
@@ -131,3 +138,25 @@ func DispatcherFromContext(ctx context.Context) routing.Dispatcher {
 	}
 	return nil
 }
+
+func ContextWithTimeoutOnly(ctx context.Context, only bool) context.Context {
+	return context.WithValue(ctx, timeoutOnlyKey, only)
+}
+
+func TimeoutOnlyFromContext(ctx context.Context) bool {
+	if val, ok := ctx.Value(timeoutOnlyKey).(bool); ok {
+		return val
+	}
+	return false
+}
+
+func ContextWithAllowedNetwork(ctx context.Context, network net.Network) context.Context {
+	return context.WithValue(ctx, allowedNetworkKey, network)
+}
+
+func AllowedNetworkFromContext(ctx context.Context) net.Network {
+	if val, ok := ctx.Value(allowedNetworkKey).(net.Network); ok {
+		return val
+	}
+	return net.Network_Unknown
+}

common/session/session.go

@@ -42,6 +42,8 @@ type Inbound struct {
 	Gateway net.Destination
 	// Tag of the inbound proxy that handles the connection.
 	Tag string
+	// Name of the inbound proxy that handles the connection.
+	Name string
 	// User is the user that authencates for the inbound. May be nil if the protocol allows anounymous traffic.
 	User *protocol.MemoryUser
 	// Conn is actually internet.Connection. May be nil.
@@ -53,8 +55,9 @@ type Inbound struct {
 // Outbound is the metadata of an outbound connection.
 type Outbound struct {
 	// Target address of the outbound connection.
-	Target      net.Destination
-	RouteTarget net.Destination
+	OriginalTarget net.Destination
+	Target         net.Destination
+	RouteTarget    net.Destination
 	// Gateway address
 	Gateway net.Address
 }

common/singbridge/destination.go

@@ -0,0 +1,52 @@
+package singbridge
+
+import (
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+	"github.com/xtls/xray-core/common/net"
+)
+
+func ToNetwork(network string) net.Network {
+	switch N.NetworkName(network) {
+	case N.NetworkTCP:
+		return net.Network_TCP
+	case N.NetworkUDP:
+		return net.Network_UDP
+	default:
+		return net.Network_Unknown
+	}
+}
+
+func ToDestination(socksaddr M.Socksaddr, network net.Network) net.Destination {
+	// IsFqdn() implicitly checks if the domain name is valid
+	if socksaddr.IsFqdn() {
+		return net.Destination{
+			Network: network,
+			Address: net.DomainAddress(socksaddr.Fqdn),
+			Port:    net.Port(socksaddr.Port),
+		}
+	}
+
+	// IsIP() implicitly checks if the IP address is valid
+	if socksaddr.IsIP() {
+		return net.Destination{
+			Network: network,
+			Address: net.IPAddress(socksaddr.Addr.AsSlice()),
+			Port:    net.Port(socksaddr.Port),
+		}
+	}
+
+	return net.Destination{}
+}
+
+func ToSocksaddr(destination net.Destination) M.Socksaddr {
+	var addr M.Socksaddr
+	switch destination.Address.Family() {
+	case net.AddressFamilyDomain:
+		addr.Fqdn = destination.Address.Domain()
+	default:
+		addr.Addr = M.AddrFromIP(destination.Address.IP())
+	}
+	addr.Port = uint16(destination.Port)
+	return addr
+}

common/singbridge/dialer.go

@@ -0,0 +1,59 @@
+package singbridge
+
+import (
+	"context"
+	"os"
+
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/common/net/cnc"
+	"github.com/xtls/xray-core/common/session"
+	"github.com/xtls/xray-core/proxy"
+	"github.com/xtls/xray-core/transport"
+	"github.com/xtls/xray-core/transport/internet"
+	"github.com/xtls/xray-core/transport/pipe"
+)
+
+var _ N.Dialer = (*XrayDialer)(nil)
+
+type XrayDialer struct {
+	internet.Dialer
+}
+
+func NewDialer(dialer internet.Dialer) *XrayDialer {
+	return &XrayDialer{dialer}
+}
+
+func (d *XrayDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+	return d.Dialer.Dial(ctx, ToDestination(destination, ToNetwork(network)))
+}
+
+func (d *XrayDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+	return nil, os.ErrInvalid
+}
+
+type XrayOutboundDialer struct {
+	outbound proxy.Outbound
+	dialer   internet.Dialer
+}
+
+func NewOutboundDialer(outbound proxy.Outbound, dialer internet.Dialer) *XrayOutboundDialer {
+	return &XrayOutboundDialer{outbound, dialer}
+}
+
+func (d *XrayOutboundDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+	ctx = session.ContextWithOutbound(context.Background(), &session.Outbound{
+		Target: ToDestination(destination, ToNetwork(network)),
+	})
+	opts := []pipe.Option{pipe.WithSizeLimit(64 * 1024)}
+	uplinkReader, uplinkWriter := pipe.New(opts...)
+	downlinkReader, downlinkWriter := pipe.New(opts...)
+	conn := cnc.NewConnection(cnc.ConnectionInputMulti(downlinkWriter), cnc.ConnectionOutputMulti(uplinkReader))
+	go d.outbound.Process(ctx, &transport.Link{Reader: downlinkReader, Writer: uplinkWriter}, d.dialer)
+	return conn, nil
+}
+
+func (d *XrayOutboundDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+	return nil, os.ErrInvalid
+}

common/singbridge/error.go

@@ -0,0 +1,10 @@
+package singbridge
+
+import E "github.com/sagernet/sing/common/exceptions"
+
+func ReturnError(err error) error {
+	if E.IsClosedOrCanceled(err) {
+		return nil
+	}
+	return err
+}

common/singbridge/handler.go

@@ -0,0 +1,51 @@
+package singbridge
+
+import (
+	"context"
+	"io"
+
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+	"github.com/xtls/xray-core/common/buf"
+	"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/features/routing"
+	"github.com/xtls/xray-core/transport"
+)
+
+var (
+	_ N.TCPConnectionHandler = (*Dispatcher)(nil)
+	_ N.UDPConnectionHandler = (*Dispatcher)(nil)
+)
+
+type Dispatcher struct {
+	upstream     routing.Dispatcher
+	newErrorFunc func(values ...any) *errors.Error
+}
+
+func NewDispatcher(dispatcher routing.Dispatcher, newErrorFunc func(values ...any) *errors.Error) *Dispatcher {
+	return &Dispatcher{
+		upstream:     dispatcher,
+		newErrorFunc: newErrorFunc,
+	}
+}
+
+func (d *Dispatcher) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
+	xConn := NewConn(conn)
+	return d.upstream.DispatchLink(ctx, ToDestination(metadata.Destination, net.Network_TCP), &transport.Link{
+		Reader: xConn,
+		Writer: xConn,
+	})
+}
+
+func (d *Dispatcher) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
+	return d.upstream.DispatchLink(ctx, ToDestination(metadata.Destination, net.Network_UDP), &transport.Link{
+		Reader: buf.NewPacketReader(conn.(io.Reader)),
+		Writer: buf.NewWriter(conn.(io.Writer)),
+	})
+}
+
+func (d *Dispatcher) NewError(ctx context.Context, err error) {
+	d.newErrorFunc(err).WriteToLog(session.ExportIDToError(ctx))
+}

common/singbridge/logger.go

@@ -0,0 +1,71 @@
+package singbridge
+
+import (
+	"context"
+
+	"github.com/sagernet/sing/common/logger"
+	"github.com/xtls/xray-core/common/errors"
+	"github.com/xtls/xray-core/common/session"
+)
+
+var _ logger.ContextLogger = (*XrayLogger)(nil)
+
+type XrayLogger struct {
+	newError func(values ...any) *errors.Error
+}
+
+func NewLogger(newErrorFunc func(values ...any) *errors.Error) *XrayLogger {
+	return &XrayLogger{
+		newErrorFunc,
+	}
+}
+
+func (l *XrayLogger) Trace(args ...any) {
+}
+
+func (l *XrayLogger) Debug(args ...any) {
+	l.newError(args...).AtDebug().WriteToLog()
+}
+
+func (l *XrayLogger) Info(args ...any) {
+	l.newError(args...).AtInfo().WriteToLog()
+}
+
+func (l *XrayLogger) Warn(args ...any) {
+	l.newError(args...).AtWarning().WriteToLog()
+}
+
+func (l *XrayLogger) Error(args ...any) {
+	l.newError(args...).AtError().WriteToLog()
+}
+
+func (l *XrayLogger) Fatal(args ...any) {
+}
+
+func (l *XrayLogger) Panic(args ...any) {
+}
+
+func (l *XrayLogger) TraceContext(ctx context.Context, args ...any) {
+}
+
+func (l *XrayLogger) DebugContext(ctx context.Context, args ...any) {
+	l.newError(args...).AtDebug().WriteToLog(session.ExportIDToError(ctx))
+}
+
+func (l *XrayLogger) InfoContext(ctx context.Context, args ...any) {
+	l.newError(args...).AtInfo().WriteToLog(session.ExportIDToError(ctx))
+}
+
+func (l *XrayLogger) WarnContext(ctx context.Context, args ...any) {
+	l.newError(args...).AtWarning().WriteToLog(session.ExportIDToError(ctx))
+}
+
+func (l *XrayLogger) ErrorContext(ctx context.Context, args ...any) {
+	l.newError(args...).AtError().WriteToLog(session.ExportIDToError(ctx))
+}
+
+func (l *XrayLogger) FatalContext(ctx context.Context, args ...any) {
+}
+
+func (l *XrayLogger) PanicContext(ctx context.Context, args ...any) {
+}

common/singbridge/packet.go

@@ -0,0 +1,82 @@
+package singbridge
+
+import (
+	"context"
+
+	B "github.com/sagernet/sing/common/buf"
+	"github.com/sagernet/sing/common/bufio"
+	M "github.com/sagernet/sing/common/metadata"
+	"github.com/xtls/xray-core/common/buf"
+	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/transport"
+)
+
+func CopyPacketConn(ctx context.Context, inboundConn net.Conn, link *transport.Link, destination net.Destination, serverConn net.PacketConn) error {
+	conn := &PacketConnWrapper{
+		Reader: link.Reader,
+		Writer: link.Writer,
+		Dest:   destination,
+		Conn:   inboundConn,
+	}
+	return ReturnError(bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(serverConn)))
+}
+
+type PacketConnWrapper struct {
+	buf.Reader
+	buf.Writer
+	net.Conn
+	Dest   net.Destination
+	cached buf.MultiBuffer
+}
+
+func (w *PacketConnWrapper) ReadPacket(buffer *B.Buffer) (M.Socksaddr, error) {
+	if w.cached != nil {
+		mb, bb := buf.SplitFirst(w.cached)
+		if bb == nil {
+			w.cached = nil
+		} else {
+			buffer.Write(bb.Bytes())
+			w.cached = mb
+			var destination net.Destination
+			if bb.UDP != nil {
+				destination = *bb.UDP
+			} else {
+				destination = w.Dest
+			}
+			bb.Release()
+			return ToSocksaddr(destination), nil
+		}
+	}
+	mb, err := w.ReadMultiBuffer()
+	if err != nil {
+		return M.Socksaddr{}, err
+	}
+	nb, bb := buf.SplitFirst(mb)
+	if bb == nil {
+		return M.Socksaddr{}, nil
+	} else {
+		buffer.Write(bb.Bytes())
+		w.cached = nb
+		var destination net.Destination
+		if bb.UDP != nil {
+			destination = *bb.UDP
+		} else {
+			destination = w.Dest
+		}
+		bb.Release()
+		return ToSocksaddr(destination), nil
+	}
+}
+
+func (w *PacketConnWrapper) WritePacket(buffer *B.Buffer, destination M.Socksaddr) error {
+	vBuf := buf.New()
+	vBuf.Write(buffer.Bytes())
+	endpoint := ToDestination(destination, net.Network_UDP)
+	vBuf.UDP = &endpoint
+	return w.Writer.WriteMultiBuffer(buf.MultiBuffer{vBuf})
+}
+
+func (w *PacketConnWrapper) Close() error {
+	buf.ReleaseMulti(w.cached)
+	return nil
+}

common/singbridge/pipe.go

@@ -0,0 +1,61 @@
+package singbridge
+
+import (
+	"context"
+	"io"
+	"net"
+
+	"github.com/sagernet/sing/common/bufio"
+	"github.com/xtls/xray-core/common/buf"
+	"github.com/xtls/xray-core/transport"
+)
+
+func CopyConn(ctx context.Context, inboundConn net.Conn, link *transport.Link, serverConn net.Conn) error {
+	conn := &PipeConnWrapper{
+		W:    link.Writer,
+		Conn: inboundConn,
+	}
+	if ir, ok := link.Reader.(io.Reader); ok {
+		conn.R = ir
+	} else {
+		conn.R = &buf.BufferedReader{Reader: link.Reader}
+	}
+	return ReturnError(bufio.CopyConn(ctx, conn, serverConn))
+}
+
+type PipeConnWrapper struct {
+	R io.Reader
+	W buf.Writer
+	net.Conn
+}
+
+func (w *PipeConnWrapper) Close() error {
+	return nil
+}
+
+func (w *PipeConnWrapper) Read(b []byte) (n int, err error) {
+	return w.R.Read(b)
+}
+
+func (w *PipeConnWrapper) Write(p []byte) (n int, err error) {
+	n = len(p)
+	var mb buf.MultiBuffer
+	pLen := len(p)
+	for pLen > 0 {
+		buffer := buf.New()
+		if pLen > buf.Size {
+			_, err = buffer.Write(p[:buf.Size])
+			p = p[buf.Size:]
+		} else {
+			buffer.Write(p)
+		}
+		pLen -= int(buffer.Len())
+		mb = append(mb, buffer)
+	}
+	err = w.W.WriteMultiBuffer(mb)
+	if err != nil {
+		n = 0
+		buf.ReleaseMulti(mb)
+	}
+	return
+}

common/singbridge/reader.go

@@ -0,0 +1,66 @@
+package singbridge
+
+import (
+	"time"
+
+	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/bufio"
+	N "github.com/sagernet/sing/common/network"
+	"github.com/xtls/xray-core/common/buf"
+	"github.com/xtls/xray-core/common/net"
+)
+
+var (
+	_ buf.Reader        = (*Conn)(nil)
+	_ buf.TimeoutReader = (*Conn)(nil)
+	_ buf.Writer        = (*Conn)(nil)
+)
+
+type Conn struct {
+	net.Conn
+	writer N.VectorisedWriter
+}
+
+func NewConn(conn net.Conn) *Conn {
+	writer, _ := bufio.CreateVectorisedWriter(conn)
+	return &Conn{
+		Conn:   conn,
+		writer: writer,
+	}
+}
+
+func (c *Conn) ReadMultiBuffer() (buf.MultiBuffer, error) {
+	buffer, err := buf.ReadBuffer(c.Conn)
+	if err != nil {
+		return nil, err
+	}
+	return buf.MultiBuffer{buffer}, nil
+}
+
+func (c *Conn) ReadMultiBufferTimeout(duration time.Duration) (buf.MultiBuffer, error) {
+	err := c.SetReadDeadline(time.Now().Add(duration))
+	if err != nil {
+		return nil, err
+	}
+	defer c.SetReadDeadline(time.Time{})
+	return c.ReadMultiBuffer()
+}
+
+func (c *Conn) WriteMultiBuffer(bufferList buf.MultiBuffer) error {
+	defer buf.ReleaseMulti(bufferList)
+	if c.writer != nil {
+		bytesList := make([][]byte, len(bufferList))
+		for i, buffer := range bufferList {
+			bytesList[i] = buffer.Bytes()
+		}
+		return common.Error(bufio.WriteVectorised(c.writer, bytesList))
+	}
+	// Since this conn is only used by tun, we don't force buffer writes to merge.
+	for _, buffer := range bufferList {
+		_, err := c.Conn.Write(buffer.Bytes())
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}

common/strmatcher/ac_automaton_matcher.go

@@ -225,7 +225,11 @@ func (ac *ACAutomaton) Match(s string) bool {
 	// 2. the match string is through a fail edge. NOT FULL MATCH
 	// 2.1 Through a fail edge, but there exists a valid node. SUBSTR
 	for i := len(s) - 1; i >= 0; i-- {
-		idx := char2Index[s[i]]
+		chr := int(s[i])
+		if chr >= len(char2Index) {
+			return false
+		}
+		idx := char2Index[chr]
 		fullMatch = fullMatch && ac.trie[node][idx].edgeType
 		node = ac.trie[node][idx].nextNode
 		switch ac.exists[node].matchType {

common/strmatcher/strmatcher_test.go

@@ -217,6 +217,10 @@ func TestACAutomaton(t *testing.T) {
 				pattern: "vvgoogle.com",
 				res:     true,
 			},
+			{
+				pattern: "½",
+				res:     false,
+			},
 		}
 		for _, test := range cases2Output {
 			if m := ac.Match(test.pattern); m != test.res {
@@ -224,7 +228,6 @@ func TestACAutomaton(t *testing.T) {
 			}
 		}
 	}
-
 	{
 		cases3Input := []struct {
 			pattern string

common/task/task.go

@@ -38,6 +38,12 @@ func Run(ctx context.Context, tasks ...func() error) error {
 		}(task)
 	}
 
+	/*
+		if altctx := ctx.Value("altctx"); altctx != nil {
+			ctx = altctx.(context.Context)
+		}
+	*/
+
 	for i := 0; i < n; i++ {
 		select {
 		case err := <-done:
@@ -48,5 +54,11 @@ func Run(ctx context.Context, tasks ...func() error) error {
 		}
 	}
 
+	/*
+		if cancel := ctx.Value("cancel"); cancel != nil {
+			cancel.(context.CancelFunc)()
+		}
+	*/
+
 	return nil
 }

common/xudp/xudp.go

@@ -1,30 +1,79 @@
 package xudp
 
 import (
+	"context"
+	"crypto/rand"
+	"encoding/base64"
+	"fmt"
 	"io"
+	"os"
+	"strings"
 
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/protocol"
+	"github.com/xtls/xray-core/common/session"
+	"lukechampine.com/blake3"
 )
 
-var addrParser = protocol.NewAddressParser(
+var AddrParser = protocol.NewAddressParser(
 	protocol.AddressFamilyByte(byte(protocol.AddressTypeIPv4), net.AddressFamilyIPv4),
 	protocol.AddressFamilyByte(byte(protocol.AddressTypeDomain), net.AddressFamilyDomain),
 	protocol.AddressFamilyByte(byte(protocol.AddressTypeIPv6), net.AddressFamilyIPv6),
 	protocol.PortThenAddress(),
 )
 
-func NewPacketWriter(writer buf.Writer, dest net.Destination) *PacketWriter {
+var (
+	Show    bool
+	BaseKey []byte
+)
+
+const (
+	EnvShow    = "XRAY_XUDP_SHOW"
+	EnvBaseKey = "XRAY_XUDP_BASEKEY"
+)
+
+func init() {
+	if strings.ToLower(os.Getenv(EnvShow)) == "true" {
+		Show = true
+	}
+	if raw, found := os.LookupEnv(EnvBaseKey); found {
+		if BaseKey, _ = base64.RawURLEncoding.DecodeString(raw); len(BaseKey) == 32 {
+			return
+		}
+		panic(EnvBaseKey + ": invalid value: " + raw)
+	}
+	rand.Read(BaseKey)
+}
+
+func GetGlobalID(ctx context.Context) (globalID [8]byte) {
+	if cone := ctx.Value("cone"); cone == nil || !cone.(bool) { // cone is nil only in some unit tests
+		return
+	}
+	if inbound := session.InboundFromContext(ctx); inbound != nil && inbound.Source.Network == net.Network_UDP &&
+		(inbound.Name == "dokodemo-door" || inbound.Name == "socks" || inbound.Name == "shadowsocks") {
+		h := blake3.New(8, BaseKey)
+		h.Write([]byte(inbound.Source.String()))
+		copy(globalID[:], h.Sum(nil))
+		if Show {
+			fmt.Printf("XUDP inbound.Source.String(): %v\tglobalID: %v\n", inbound.Source.String(), globalID)
+		}
+	}
+	return
+}
+
+func NewPacketWriter(writer buf.Writer, dest net.Destination, globalID [8]byte) *PacketWriter {
 	return &PacketWriter{
-		Writer: writer,
-		Dest:   dest,
+		Writer:   writer,
+		Dest:     dest,
+		GlobalID: globalID,
 	}
 }
 
 type PacketWriter struct {
-	Writer buf.Writer
-	Dest   net.Destination
+	Writer   buf.Writer
+	Dest     net.Destination
+	GlobalID [8]byte
 }
 
 func (w *PacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
@@ -37,19 +86,22 @@ func (w *PacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
 		}
 
 		eb := buf.New()
-		eb.Write([]byte{0, 0, 0, 0})
+		eb.Write([]byte{0, 0, 0, 0}) // Meta data length; Mux Session ID
 		if w.Dest.Network == net.Network_UDP {
 			eb.WriteByte(1) // New
 			eb.WriteByte(1) // Opt
 			eb.WriteByte(2) // UDP
-			addrParser.WriteAddressPort(eb, w.Dest.Address, w.Dest.Port)
+			AddrParser.WriteAddressPort(eb, w.Dest.Address, w.Dest.Port)
+			if b.UDP != nil { // make sure it's user's proxy request
+				eb.Write(w.GlobalID[:]) // no need to check whether it's empty
+			}
 			w.Dest.Network = net.Network_Unknown
 		} else {
 			eb.WriteByte(2) // Keep
-			eb.WriteByte(1)
+			eb.WriteByte(1) // Opt
 			if b.UDP != nil {
-				eb.WriteByte(2)
-				addrParser.WriteAddressPort(eb, b.UDP.Address, b.UDP.Port)
+				eb.WriteByte(2) // UDP
+				AddrParser.WriteAddressPort(eb, b.UDP.Address, b.UDP.Port)
 			}
 		}
 		l := eb.Len() - 2
@@ -96,9 +148,10 @@ func (r *PacketReader) ReadMultiBuffer() (buf.MultiBuffer, error) {
 		discard := false
 		switch b.Byte(2) {
 		case 2:
-			if l != 4 {
+			if l > 4 && b.Byte(4) == 2 { // MUST check the flag first
 				b.Advance(5)
-				addr, port, err := addrParser.ReadAddressPort(nil, b)
+				// b.Clear() will be called automatically if all data had been read.
+				addr, port, err := AddrParser.ReadAddressPort(nil, b)
 				if err != nil {
 					b.Release()
 					return nil, err
@@ -115,6 +168,7 @@ func (r *PacketReader) ReadMultiBuffer() (buf.MultiBuffer, error) {
 			b.Release()
 			return nil, io.EOF
 		}
+		b.Clear() // in case there is padding (empty bytes) attached
 		if b.Byte(3) == 1 {
 			if _, err := io.ReadFull(r.Reader, r.cache); err != nil {
 				b.Release()
@@ -122,7 +176,6 @@ func (r *PacketReader) ReadMultiBuffer() (buf.MultiBuffer, error) {
 			}
 			length := int32(r.cache[0])<<8 | int32(r.cache[1])
 			if length > 0 {
-				b.Clear()
 				if _, err := b.ReadFullFrom(r.Reader, length); err != nil {
 					b.Release()
 					return nil, err

common/xudp/xudp_test.go

@@ -0,0 +1,36 @@
+package xudp
+
+import (
+	"testing"
+
+	"github.com/xtls/xray-core/common"
+	"github.com/xtls/xray-core/common/buf"
+	"github.com/xtls/xray-core/common/net"
+)
+
+func TestXudpReadWrite(t *testing.T) {
+	addr, _ := net.ParseDestination("tcp:127.0.0.1:1345")
+	mb := make(buf.MultiBuffer, 0, 16)
+	m := buf.MultiBufferContainer{
+		MultiBuffer: mb,
+	}
+	var arr [8]byte
+	writer := NewPacketWriter(&m, addr, arr)
+
+	source := make(buf.MultiBuffer, 0, 16)
+	b := buf.New()
+	b.WriteByte('a')
+	b.UDP = &addr
+	source = append(source, b)
+	writer.WriteMultiBuffer(source)
+
+	reader := NewPacketReader(&m)
+	dest, err := reader.ReadMultiBuffer()
+	common.Must(err)
+	if dest[0].Byte(0) != 'a' {
+		t.Error("failed to parse xudp buffer")
+	}
+	if dest[0].UDP.Port != 1345 {
+		t.Error("failed to parse xudp buffer")
+	}
+}

core/config.go

@@ -4,11 +4,11 @@ import (
 	"io"
 	"strings"
 
-	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/cmdarg"
 	"github.com/xtls/xray-core/main/confloader"
+	"google.golang.org/protobuf/proto"
 )
 
 // ConfigFormat is a configurable format of Xray config file.
@@ -57,7 +57,7 @@ func GetFormatByExtension(ext string) string {
 		return "yaml"
 	case "toml":
 		return "toml"
-	case "json":
+	case "json", "jsonc":
 		return "json"
 	default:
 		return ""

core/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.27.1
-// 	protoc        v3.18.0
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.23.1
 // source: core/config.proto
 
 package core
@@ -42,7 +42,7 @@ type Config struct {
 	// Deprecated. Each inbound and outbound should choose their own transport
 	// config. Date to remove: 2020-01-13
 	//
-	// Deprecated: Do not use.
+	// Deprecated: Marked as deprecated in core/config.proto.
 	Transport *global.Config `protobuf:"bytes,5,opt,name=transport,proto3" json:"transport,omitempty"`
 	// Configuration for extensions. The config may not work if corresponding
 	// extension is not loaded into Xray. Xray will ignore such config during
@@ -103,7 +103,7 @@ func (x *Config) GetApp() []*serial.TypedMessage {
 	return nil
 }
 
-// Deprecated: Do not use.
+// Deprecated: Marked as deprecated in core/config.proto.
 func (x *Config) GetTransport() *global.Config {
 	if x != nil {
 		return x.Transport

core/context.go

@@ -26,7 +26,8 @@ func MustFromContext(ctx context.Context) *Instance {
 	return x
 }
 
-/* toContext returns ctx from the given context, or creates an Instance if the context doesn't find that.
+/*
+	toContext returns ctx from the given context, or creates an Instance if the context doesn't find that.
 
 It is unsupported to use this function to create a context that is suitable to invoke Xray's internal component
 in third party code, you shouldn't use //go:linkname to alias of this function into your own package and
@@ -34,7 +35,6 @@ use this function in your third party code.
 
 For third party code, usage enabled by creating a context to interact with Xray's internal component is unsupported,
 and may break at any time.
-
 */
 func toContext(ctx context.Context, v *Instance) context.Context {
 	if FromContext(ctx) != v {
@@ -43,7 +43,8 @@ func toContext(ctx context.Context, v *Instance) context.Context {
 	return ctx
 }
 
-/*ToBackgroundDetachedContext create a detached context from another context
+/*
+ToBackgroundDetachedContext create a detached context from another context
 Internal API
 */
 func ToBackgroundDetachedContext(ctx context.Context) context.Context {

core/core.go

@@ -12,13 +12,19 @@ package core
 //go:generate go run github.com/xtls/xray-core/common/errors/errorgen
 
 import (
+	"fmt"
 	"runtime"
 
 	"github.com/xtls/xray-core/common/serial"
 )
 
 var (
-	version  = "1.5.10"
+	Version_x byte = 1
+	Version_y byte = 8
+	Version_z byte = 4
+)
+
+var (
 	build    = "Custom"
 	codename = "Xray, Penetrates Everything."
 	intro    = "A unified platform for anti-censorship."
@@ -27,7 +33,7 @@ var (
 // Version returns Xray's version as a string, in the form of "x.y.z" where x, y and z are numbers.
 // ".z" part may be omitted in regular releases.
 func Version() string {
-	return version
+	return fmt.Sprintf("%v.%v.%v", Version_x, Version_y, Version_z)
 }
 
 // VersionStatement returns a list of strings representing the full version info.

core/functions_test.go

@@ -7,7 +7,6 @@ import (
 	"testing"
 	"time"
 
-	"github.com/golang/protobuf/proto"
 	"github.com/google/go-cmp/cmp"
 	"github.com/xtls/xray-core/app/dispatcher"
 	"github.com/xtls/xray-core/app/proxyman"
@@ -18,6 +17,7 @@ import (
 	"github.com/xtls/xray-core/proxy/freedom"
 	"github.com/xtls/xray-core/testing/servers/tcp"
 	"github.com/xtls/xray-core/testing/servers/udp"
+	"google.golang.org/protobuf/proto"
 )
 
 func xor(b []byte) []byte {

core/xray_test.go

@@ -3,7 +3,6 @@ package core_test
 import (
 	"testing"
 
-	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/app/dispatcher"
 	"github.com/xtls/xray-core/app/proxyman"
 	"github.com/xtls/xray-core/common"
@@ -19,6 +18,7 @@ import (
 	"github.com/xtls/xray-core/proxy/vmess"
 	"github.com/xtls/xray-core/proxy/vmess/outbound"
 	"github.com/xtls/xray-core/testing/servers/tcp"
+	"google.golang.org/protobuf/proto"
 )
 
 func TestXrayDependency(t *testing.T) {

features/extension/observatory.go

@@ -3,8 +3,8 @@ package extension
 import (
 	"context"
 
-	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/features"
+	"google.golang.org/protobuf/proto"
 )
 
 type Observatory interface {

go.mod

@@ -1,58 +1,59 @@
 module github.com/xtls/xray-core
 
-go 1.18
+go 1.21
 
 require (
-	github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32
+	github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344
 	github.com/golang/mock v1.6.0
-	github.com/golang/protobuf v1.5.2
-	github.com/google/go-cmp v0.5.8
+	github.com/google/go-cmp v0.5.9
 	github.com/gorilla/websocket v1.5.0
-	github.com/lucas-clemente/quic-go v0.29.0
-	github.com/marten-seemann/qtls-go1-16 v0.1.5
-	github.com/marten-seemann/qtls-go1-17 v0.1.2
-	github.com/marten-seemann/qtls-go1-18 v0.1.2
-	github.com/miekg/dns v1.1.50
+	github.com/miekg/dns v1.1.55
 	github.com/pelletier/go-toml v1.9.5
-	github.com/pires/go-proxyproto v0.6.2
-	github.com/refraction-networking/utls v1.1.1
-	github.com/sagernet/sing v0.0.0-20220801112236-1bb95f9661fc
-	github.com/sagernet/sing-shadowsocks v0.0.0-20220801112336-a91eacdd01e1
+	github.com/pires/go-proxyproto v0.7.0
+	github.com/quic-go/quic-go v0.38.1
+	github.com/refraction-networking/utls v1.4.3
+	github.com/sagernet/sing v0.2.9
+	github.com/sagernet/sing-shadowsocks v0.2.4
+	github.com/sagernet/wireguard-go v0.0.0-20221116151939-c99467f53f2c
 	github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb
-	github.com/stretchr/testify v1.8.0
+	github.com/stretchr/testify v1.8.4
 	github.com/v2fly/ss-bloomring v0.0.0-20210312155135-28617310f63e
-	github.com/xtls/go v0.0.0-20210920065950-d4af136d3672
-	go.starlark.net v0.0.0-20220817180228-f738f5508c12
-	golang.org/x/crypto v0.0.0-20220826181053-bd7e27e6170d
-	golang.org/x/net v0.0.0-20220826154423-83b083e8dc8b
-	golang.org/x/sync v0.0.0-20220819030929-7fc1605a5dde
-	golang.org/x/sys v0.0.0-20220825204002-c680a09ffe64
-	google.golang.org/grpc v1.49.0
-	google.golang.org/protobuf v1.28.1
+	github.com/xtls/reality v0.0.0-20230828171259-e426190d57f6
+	go4.org/netipx v0.0.0-20230824141953-6213f710f925
+	golang.org/x/crypto v0.12.0
+	golang.org/x/net v0.14.0
+	golang.org/x/sync v0.3.0
+	golang.org/x/sys v0.11.0
+	google.golang.org/grpc v1.57.0
+	google.golang.org/protobuf v1.31.0
+	gvisor.dev/gvisor v0.0.0-20230822212503-5bf4e5f98744
 	h12.io/socks v1.0.3
+	lukechampine.com/blake3 v1.2.1
 )
 
 require (
-	github.com/andybalholm/brotli v1.0.4 // indirect
+	github.com/andybalholm/brotli v1.0.5 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dgryski/go-metro v0.0.0-20211217172704-adc40b04c140 // indirect
 	github.com/francoispqt/gojay v1.2.13 // indirect
-	github.com/fsnotify/fsnotify v1.5.4 // indirect
-	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
-	github.com/klauspost/compress v1.15.9 // indirect
-	github.com/klauspost/cpuid/v2 v2.1.1 // indirect
-	github.com/marten-seemann/qtls-go1-19 v0.1.0 // indirect
-	github.com/nxadm/tail v1.4.8 // indirect
-	github.com/onsi/ginkgo v1.16.5 // indirect
+	github.com/gaukas/godicttls v0.0.4 // indirect
+	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/btree v1.1.2 // indirect
+	github.com/google/pprof v0.0.0-20230821062121-407c9e7a662f // indirect
+	github.com/klauspost/compress v1.16.7 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.5 // indirect
+	github.com/onsi/ginkgo/v2 v2.12.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/quic-go/qtls-go1-20 v0.3.3 // indirect
 	github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 // indirect
-	golang.org/x/exp v0.0.0-20220827204233-334a2380cb91 // indirect
-	golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect
-	golang.org/x/text v0.3.7 // indirect
-	golang.org/x/tools v0.1.12 // indirect
-	google.golang.org/genproto v0.0.0-20220822174746-9e6da59bd2fc // indirect
-	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
+	golang.org/x/exp v0.0.0-20230725093048-515e97ebf090 // indirect
+	golang.org/x/mod v0.12.0 // indirect
+	golang.org/x/text v0.12.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/tools v0.12.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	lukechampine.com/blake3 v1.1.7 // indirect
 )