v25.2.18

Announcement of NFTs by Project X: https://github.com/XTLS/Xray-core/discussions/3633
Project X NFT: https://opensea.io/assets/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/1

XHTTP: Beyond REALITY: https://github.com/XTLS/Xray-core/discussions/4113
REALITY NFT: https://opensea.io/assets/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/2

.github/workflows/release-win7.yml

@@ -0,0 +1,117 @@
+name: Build and Release for Windows 7
+
+on:
+  workflow_dispatch:
+  release:
+    types: [published]
+  push:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  build:
+    permissions:
+      contents: write
+    strategy:
+      matrix:
+        include:
+          # BEGIN Windows 7
+          - goos: windows
+            goarch: amd64
+            assetname: win7-64
+          - goos: windows
+            goarch: 386
+            assetname: win7-32
+          # END Windows 7
+      fail-fast: false
+
+    runs-on: ubuntu-latest
+    env:
+      GOOS: ${{ matrix.goos}}
+      GOARCH: ${{ matrix.goarch }}
+      CGO_ENABLED: 0
+    steps:
+      - name: Checkout codebase
+        uses: actions/checkout@v4
+
+      - name: Show workflow information
+        run: |
+          _NAME=${{ matrix.assetname }}
+          echo "GOOS: ${{ matrix.goos }}, GOARCH: ${{ matrix.goarch }}, RELEASE_NAME: $_NAME"
+          echo "ASSET_NAME=$_NAME" >> $GITHUB_ENV
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          check-latest: true
+
+      - name: Setup patched builder
+        run: |
+          GOSDK=$(go env GOROOT)
+          rm -r $GOSDK/*
+          cd $GOSDK
+          curl -O -L https://github.com/XTLS/go-win7/releases/latest/download/go-for-win7-linux-amd64.zip
+          unzip ./go-for-win7-linux-amd64.zip -d $GOSDK
+          rm ./go-for-win7-linux-amd64.zip
+
+      - name: Get project dependencies
+        run: go mod download
+
+      - name: Build Xray
+        run: |
+          mkdir -p build_assets
+          COMMID=$(git describe --always --dirty)
+          echo 'Building Xray for Windows 7...'
+          go build -o build_assets/xray.exe -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
+          echo 'CreateObject("Wscript.Shell").Run "xray.exe -config config.json",0' > build_assets/xray_no_window.vbs
+          echo 'Start-Process -FilePath ".\xray.exe" -ArgumentList "-config .\config.json" -WindowStyle Hidden' > build_assets/xray_no_window.ps1
+          # The line below is for without running conhost.exe version. Commented for not being used. Provided for reference.
+          # go build -o build_assets/wxray.exe -trimpath -buildvcs=false -ldflags="-H windowsgui -X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
+
+      - name: Restore Geodat Cache
+        uses: actions/cache/restore@v4
+        with:
+          path: resources
+          key: xray-geodat-
+
+      - name: Copy README.md & LICENSE
+        run: |
+          mv -f resources/* build_assets
+          cp ${GITHUB_WORKSPACE}/README.md ./build_assets/README.md
+          cp ${GITHUB_WORKSPACE}/LICENSE ./build_assets/LICENSE
+
+      - name: Create ZIP archive
+        if: github.event_name == 'release'
+        shell: bash
+        run: |
+          pushd build_assets || exit 1
+          touch -mt $(date +%Y01010000) *
+          zip -9vr ../Xray-${{ env.ASSET_NAME }}.zip .
+          popd || exit 1
+          FILE=./Xray-${{ env.ASSET_NAME }}.zip
+          DGST=$FILE.dgst
+          for METHOD in {"md5","sha1","sha256","sha512"}
+          do
+            openssl dgst -$METHOD $FILE | sed 's/([^)]*)//g' >>$DGST
+          done
+
+      - name: Change the name
+        run: |
+          mv build_assets Xray-${{ env.ASSET_NAME }}
+
+      - name: Upload files to Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: Xray-${{ env.ASSET_NAME }}
+          path: |
+            ./Xray-${{ env.ASSET_NAME }}/*
+
+      - name: Upload binaries to release
+        uses: svenstaro/upload-release-action@v2
+        if: github.event_name == 'release'
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: ./Xray-${{ env.ASSET_NAME }}.zip*
+          tag: ${{ github.ref }}
+          file_glob: true

.github/workflows/release.yml

@@ -1,76 +1,15 @@
 name: Build and Release
 
-# NOTE: This Github Actions file depends on the Makefile.
-#       Building the correct package requires the correct binaries generated by the Makefile. To 
-#       ensure the correct output, the Makefile must accept the appropriate input and compile the 
-#       correct file with the correct name. If you need to modify this file, please ensure it won't 
-#       disrupt the Makefile.
-
 on:
   workflow_dispatch:
   release:
     types: [published]
   push:
-    branches:
-      - main
-    paths:
-      - "**/*.go"
-      - "go.mod"
-      - "go.sum"
-      - ".github/workflows/release.yml"
   pull_request:
     types: [opened, synchronize, reopened]
-    paths:
-      - "**/*.go"
-      - "go.mod"
-      - "go.sum"
-      - ".github/workflows/release.yml"
+
 jobs:
-  prepare:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Restore Cache
-        uses: actions/cache/restore@v4
-        with:
-          path: resources
-          key: xray-geodat-
-
-      - name: Update Geodat
-        id: update
-        uses: nick-fields/retry@v3
-        with:
-          timeout_minutes: 60
-          retry_wait_seconds: 60
-          max_attempts: 60
-          command: |
-            [ -d 'resources' ] || mkdir resources
-            LIST=('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@v4
-        if: ${{ steps.update.outputs.unhit }}
-        with:
-          path: resources
-          key: xray-geodat-${{ github.sha }}-${{ github.run_number }}
-
   build:
-    needs: prepare
     permissions:
       contents: write
     strategy:
@@ -78,9 +17,7 @@ jobs:
         # Include amd64 on all platforms.
         goos: [windows, freebsd, openbsd, linux, darwin]
         goarch: [amd64, 386]
-        gotoolchain: [""]
         patch-assetname: [""]
-
         exclude:
           # Exclude i386 on darwin
           - goarch: 386
@@ -155,16 +92,6 @@ jobs:
             goarch: arm
             goarm: 7
           # END OPENBSD ARM
-          # BEGIN Windows 7
-          - goos: windows
-            goarch: amd64
-            gotoolchain: 1.21.4
-            patch-assetname: win7-64
-          - goos: windows
-            goarch: 386
-            gotoolchain: 1.21.4
-            patch-assetname: win7-32
-          # END Windows 7
       fail-fast: false
 
     runs-on: ubuntu-latest
@@ -187,7 +114,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: ${{ matrix.gotoolchain || '1.23' }}
+          go-version-file: go.mod
           check-latest: true
 
       - name: Get project dependencies
@@ -196,10 +123,24 @@ jobs:
       - name: Build Xray
         run: |
           mkdir -p build_assets
-          make
-          find . -maxdepth 1 -type f -regex './\(wxray\|xray\|xray_softfloat\)\(\|.exe\)' -exec mv {} ./build_assets/ \;
+          COMMID=$(git describe --always --dirty)
+          if [[ ${GOOS} == 'windows' ]]; then
+            echo 'Building Xray for Windows...'
+            go build -o build_assets/xray.exe -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
+            echo 'CreateObject("Wscript.Shell").Run "xray.exe -config config.json",0' > build_assets/xray_no_window.vbs
+            echo 'Start-Process -FilePath ".\xray.exe" -ArgumentList "-config .\config.json" -WindowStyle Hidden' > build_assets/xray_no_window.ps1
+            # The line below is for without running conhost.exe version. Commented for not being used. Provided for reference.
+            # go build -o build_assets/wxray.exe -trimpath -buildvcs=false -ldflags="-H windowsgui -X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
+          else
+            echo 'Building Xray...'
+            go build -o build_assets/xray -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
+            if [[ ${GOARCH} == 'mips' || ${GOARCH} == 'mipsle' ]]; then
+              echo 'Building soft-float Xray for MIPS/MIPSLE 32-bit...'
+              GOMIPS=softfloat go build -o build_assets/xray_softfloat -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=${COMMID} -s -w -buildid=" -v ./main
+            fi
+          fi
 
-      - name: Restore Cache
+      - name: Restore Geodat Cache
         uses: actions/cache/restore@v4
         with:
           path: resources

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

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

.github/workflows/test.yml

@@ -2,20 +2,8 @@ name: Test
 
 on:
   push:
-    branches:
-      - main
-    paths:
-      - "**/*.go"
-      - "go.mod"
-      - "go.sum"
-      - ".github/workflows/*.yml"
   pull_request:
     types: [opened, synchronize, reopened]
-    paths:
-      - "**/*.go"
-      - "go.mod"
-      - "go.sum"
-      - ".github/workflows/*.yml"
 
 jobs:
   test:
@@ -32,9 +20,9 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.23'
+          go-version-file: go.mod
           check-latest: true
-      - name: Restore Cache
+      - name: Restore Geodat Cache
         uses: actions/cache/restore@v4
         with:
           path: resources

Makefile

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

README.md

@@ -24,7 +24,9 @@
 
 [Project X Channel](https://t.me/projectXtls)
 
-[Project VLESS](https://t.me/projectVless) (non-Chinese)
+[Project VLESS](https://t.me/projectVless) (Русский)
+
+[Project XHTTP](https://t.me/projectXhttp) (Persian)
 
 ## Installation
 
@@ -72,6 +74,8 @@
   - [PassWall](https://github.com/xiaorouji/openwrt-passwall), [PassWall 2](https://github.com/xiaorouji/openwrt-passwall2)
   - [ShadowSocksR Plus+](https://github.com/fw876/helloworld)
   - [luci-app-xray](https://github.com/yichya/luci-app-xray) ([openwrt-xray](https://github.com/yichya/openwrt-xray))
+- Asuswrt-Merlin
+  - [XRAYUI](https://github.com/DanielLavrushin/asuswrt-merlin-xrayui)
 - Windows
   - [v2rayN](https://github.com/2dust/v2rayN)
   - [Furious](https://github.com/LorenEteval/Furious)
@@ -98,6 +102,7 @@
   - [Shadowrocket](https://apps.apple.com/app/shadowrocket/id932747118)
 - Xray Tools
   - [xray-knife](https://github.com/lilendian0x00/xray-knife)
+  - [xray-checker](https://github.com/kutovoys/xray-checker)
 - Xray Wrapper
   - [XTLS/libXray](https://github.com/XTLS/libXray)
   - [xtlsapi](https://github.com/hiddify/xtlsapi)
@@ -121,25 +126,27 @@
 - [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
+## One-line Compilation
 
 ### Windows (PowerShell)
 
 ```powershell
 $env:CGO_ENABLED=0
-go build -o xray.exe -trimpath -ldflags "-s -w -buildid=" ./main
+go build -o xray.exe -trimpath -buildvcs=false -ldflags="-s -w -buildid=" -v ./main
 ```
 
 ### Linux / macOS
 
 ```bash
-CGO_ENABLED=0 go build -o xray -trimpath -ldflags "-s -w -buildid=" ./main
+CGO_ENABLED=0 go build -o xray -trimpath -buildvcs=false -ldflags="-s -w -buildid=" -v ./main
 ```
 
 ### Reproducible Releases
 
+Make sure that you are using the same Go version, and remember to set the git commit id (7 bytes):
+
 ```bash
-make
+CGO_ENABLED=0 go build -o xray -trimpath -buildvcs=false -ldflags="-X github.com/xtls/xray-core/core.build=REPLACE -s -w -buildid=" -v ./main
 ```
 
 ## Stargazers over time

app/dispatcher/default.go

@@ -106,7 +106,7 @@ func init() {
 	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		d := new(DefaultDispatcher)
 		if err := core.RequireFeatures(ctx, func(om outbound.Manager, router routing.Router, pm policy.Manager, sm stats.Manager, dc dns.Client) error {
-			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) { // FakeDNSEngine is optional
+			core.OptionalFeatures(ctx, func(fdns dns.FakeDNSEngine) {
 				d.fdns = fdns
 			})
 			return d.Init(config.(*Config), om, router, pm, sm, dc)

app/dns/nameserver.go

@@ -43,10 +43,12 @@ func NewServer(ctx context.Context, dest net.Destination, dispatcher routing.Dis
 		}
 		switch {
 		case strings.EqualFold(u.String(), "localhost"):
-			return NewLocalNameServer(), nil
-		case strings.EqualFold(u.Scheme, "https"): // DOH Remote mode
-			return NewDoHNameServer(u, dispatcher, queryStrategy)
-		case strings.EqualFold(u.Scheme, "https+local"): // DOH Local mode
+			return NewLocalNameServer(queryStrategy), nil
+		case strings.EqualFold(u.Scheme, "https"): // DNS-over-HTTPS Remote mode
+			return NewDoHNameServer(u, dispatcher, queryStrategy, false)
+		case strings.EqualFold(u.Scheme, "h2c"): // DNS-over-HTTPS h2c Remote mode
+			return NewDoHNameServer(u, dispatcher, queryStrategy, true)
+		case strings.EqualFold(u.Scheme, "https+local"): // DNS-over-HTTPS Local mode
 			return NewDoHLocalNameServer(u, queryStrategy), nil
 		case strings.EqualFold(u.Scheme, "quic+local"): // DNS-over-QUIC Local mode
 			return NewQUICNameServer(u, queryStrategy)
@@ -56,7 +58,7 @@ func NewServer(ctx context.Context, dest net.Destination, dispatcher routing.Dis
 			return NewTCPLocalNameServer(u, queryStrategy)
 		case strings.EqualFold(u.String(), "fakedns"):
 			var fd dns.FakeDNSEngine
-			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) { // FakeDNSEngine is optional
+			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) {
 				fd = fdns
 			})
 			return NewFakeDNSServer(fd), nil

app/dns/nameserver_doh.go

@@ -3,12 +3,12 @@ package dns
 import (
 	"bytes"
 	"context"
+	"crypto/tls"
 	"fmt"
 	"io"
 	"net/http"
 	"net/url"
 	"sync"
-	"sync/atomic"
 	"time"
 
 	"github.com/xtls/xray-core/common"
@@ -24,6 +24,7 @@ import (
 	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/transport/internet"
 	"golang.org/x/net/dns/dnsmessage"
+	"golang.org/x/net/http2"
 )
 
 // DoHNameServer implemented DNS over HTTPS (RFC8484) Wire Format,
@@ -35,7 +36,6 @@ type DoHNameServer struct {
 	ips           map[string]*record
 	pub           *pubsub.Service
 	cleanup       *task.Periodic
-	reqID         uint32
 	httpClient    *http.Client
 	dohURL        string
 	name          string
@@ -43,49 +43,64 @@ type DoHNameServer struct {
 }
 
 // NewDoHNameServer creates DOH server object for remote resolving.
-func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher, queryStrategy QueryStrategy) (*DoHNameServer, error) {
-	errors.LogInfo(context.Background(), "DNS: created Remote DOH client for ", url.String())
+func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher, queryStrategy QueryStrategy, h2c bool) (*DoHNameServer, error) {
+	url.Scheme = "https"
+	errors.LogInfo(context.Background(), "DNS: created Remote DNS-over-HTTPS client for ", url.String(), ", with h2c ", h2c)
 	s := baseDOHNameServer(url, "DOH", queryStrategy)
 
 	s.dispatcher = dispatcher
-	tr := &http.Transport{
-		MaxIdleConns:        30,
-		IdleConnTimeout:     90 * time.Second,
-		TLSHandshakeTimeout: 30 * time.Second,
-		ForceAttemptHTTP2:   true,
-		DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
-			dest, err := net.ParseDestination(network + ":" + addr)
-			if err != nil {
-				return nil, err
-			}
-			link, err := s.dispatcher.Dispatch(toDnsContext(ctx, s.dohURL), dest)
-			select {
-			case <-ctx.Done():
-				return nil, ctx.Err()
-			default:
+	dialContext := func(ctx context.Context, network, addr string) (net.Conn, error) {
+		dest, err := net.ParseDestination(network + ":" + addr)
+		if err != nil {
+			return nil, err
+		}
+		dnsCtx := toDnsContext(ctx, s.dohURL)
+		if h2c {
+			dnsCtx = session.ContextWithMitmAlpn11(dnsCtx, false) // for insurance
+			dnsCtx = session.ContextWithMitmServerName(dnsCtx, url.Hostname())
+		}
+		link, err := s.dispatcher.Dispatch(dnsCtx, dest)
+		select {
+		case <-ctx.Done():
+			return nil, ctx.Err()
+		default:
 
-			}
-			if err != nil {
-				return nil, err
-			}
+		}
+		if err != nil {
+			return nil, err
+		}
 
-			cc := common.ChainedClosable{}
-			if cw, ok := link.Writer.(common.Closable); ok {
-				cc = append(cc, cw)
-			}
-			if cr, ok := link.Reader.(common.Closable); ok {
-				cc = append(cc, cr)
-			}
-			return cnc.NewConnection(
-				cnc.ConnectionInputMulti(link.Writer),
-				cnc.ConnectionOutputMulti(link.Reader),
-				cnc.ConnectionOnClose(cc),
-			), nil
+		cc := common.ChainedClosable{}
+		if cw, ok := link.Writer.(common.Closable); ok {
+			cc = append(cc, cw)
+		}
+		if cr, ok := link.Reader.(common.Closable); ok {
+			cc = append(cc, cr)
+		}
+		return cnc.NewConnection(
+			cnc.ConnectionInputMulti(link.Writer),
+			cnc.ConnectionOutputMulti(link.Reader),
+			cnc.ConnectionOnClose(cc),
+		), nil
+	}
+
+	s.httpClient = &http.Client{
+		Timeout: time.Second * 180,
+		Transport: &http.Transport{
+			MaxIdleConns:        30,
+			IdleConnTimeout:     90 * time.Second,
+			TLSHandshakeTimeout: 30 * time.Second,
+			ForceAttemptHTTP2:   true,
+			DialContext:         dialContext,
 		},
 	}
-	s.httpClient = &http.Client{
-		Timeout:   time.Second * 180,
-		Transport: tr,
+	if h2c {
+		s.httpClient.Transport = &http2.Transport{
+			IdleConnTimeout: 90 * time.Second,
+			DialTLSContext: func(ctx context.Context, network, addr string, cfg *tls.Config) (net.Conn, error) {
+				return dialContext(ctx, network, addr)
+			},
+		}
 	}
 
 	return s, nil
@@ -120,7 +135,7 @@ func NewDoHLocalNameServer(url *url.URL, queryStrategy QueryStrategy) *DoHNameSe
 		Timeout:   time.Second * 180,
 		Transport: tr,
 	}
-	errors.LogInfo(context.Background(), "DNS: created Local DOH client for ", url.String())
+	errors.LogInfo(context.Background(), "DNS: created Local DNS-over-HTTPS client for ", url.String())
 	return s
 }
 
@@ -222,7 +237,7 @@ func (s *DoHNameServer) updateIP(req *dnsRequest, ipRec *IPRecord) {
 }
 
 func (s *DoHNameServer) newReqID() uint16 {
-	return uint16(atomic.AddUint32(&s.reqID, 1))
+	return 0
 }
 
 func (s *DoHNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {

app/dns/nameserver_local.go

@@ -14,13 +14,19 @@ import (
 
 // LocalNameServer is an wrapper over local DNS feature.
 type LocalNameServer struct {
-	client *localdns.Client
+	client        *localdns.Client
+	queryStrategy QueryStrategy
 }
 
 const errEmptyResponse = "No address associated with hostname"
 
 // QueryIP implements Server.
 func (s *LocalNameServer) QueryIP(ctx context.Context, domain string, _ net.IP, option dns.IPOption, _ bool) (ips []net.IP, err error) {
+	option = ResolveIpOptionOverride(s.queryStrategy, option)
+	if !option.IPv4Enable && !option.IPv6Enable {
+		return nil, dns.ErrEmptyResponse
+	}
+
 	start := time.Now()
 	ips, err = s.client.LookupIP(domain, option)
 
@@ -42,14 +48,15 @@ func (s *LocalNameServer) Name() string {
 }
 
 // NewLocalNameServer creates localdns server object for directly lookup in system DNS.
-func NewLocalNameServer() *LocalNameServer {
+func NewLocalNameServer(queryStrategy QueryStrategy) *LocalNameServer {
 	errors.LogInfo(context.Background(), "DNS: created localhost client")
 	return &LocalNameServer{
-		client: localdns.New(),
+		queryStrategy: queryStrategy,
+		client:        localdns.New(),
 	}
 }
 
 // NewLocalDNSClient creates localdns client object for directly lookup in system DNS.
 func NewLocalDNSClient() *Client {
-	return &Client{server: NewLocalNameServer()}
+	return &Client{server: NewLocalNameServer(QueryStrategy_USE_IP)}
 }

app/dns/nameserver_local_test.go

@@ -12,7 +12,7 @@ import (
 )
 
 func TestLocalNameServer(t *testing.T) {
-	s := NewLocalNameServer()
+	s := NewLocalNameServer(QueryStrategy_USE_IP)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
 	ips, err := s.QueryIP(ctx, "google.com", net.IP{}, dns.IPOption{
 		IPv4Enable: true,

app/dns/nameserver_quic.go

@@ -6,7 +6,6 @@ import (
 	"encoding/binary"
 	"net/url"
 	"sync"
-	"sync/atomic"
 	"time"
 
 	"github.com/quic-go/quic-go"
@@ -37,7 +36,6 @@ type QUICNameServer struct {
 	ips           map[string]*record
 	pub           *pubsub.Service
 	cleanup       *task.Periodic
-	reqID         uint32
 	name          string
 	destination   *net.Destination
 	connection    quic.Connection
@@ -156,7 +154,7 @@ func (s *QUICNameServer) updateIP(req *dnsRequest, ipRec *IPRecord) {
 }
 
 func (s *QUICNameServer) newReqID() uint16 {
-	return uint16(atomic.AddUint32(&s.reqID, 1))
+	return 0
 }
 
 func (s *QUICNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {

app/metrics/config.pb.go

@@ -27,7 +27,8 @@ type Config struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Tag of the outbound handler that handles metrics http connections.
-	Tag string `protobuf:"bytes,1,opt,name=tag,proto3" json:"tag,omitempty"`
+	Tag    string `protobuf:"bytes,1,opt,name=tag,proto3" json:"tag,omitempty"`
+	Listen string `protobuf:"bytes,2,opt,name=listen,proto3" json:"listen,omitempty"`
 }
 
 func (x *Config) Reset() {
@@ -67,20 +68,28 @@ func (x *Config) GetTag() string {
 	return ""
 }
 
+func (x *Config) GetListen() string {
+	if x != nil {
+		return x.Listen
+	}
+	return ""
+}
+
 var File_app_metrics_config_proto protoreflect.FileDescriptor
 
 var file_app_metrics_config_proto_rawDesc = []byte{
 	0x0a, 0x18, 0x61, 0x70, 0x70, 0x2f, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x2f, 0x63, 0x6f,
 	0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x10, 0x78, 0x72, 0x61, 0x79,
-	0x2e, 0x61, 0x70, 0x70, 0x2e, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x22, 0x1a, 0x0a, 0x06,
+	0x2e, 0x61, 0x70, 0x70, 0x2e, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x22, 0x32, 0x0a, 0x06,
 	0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x10, 0x0a, 0x03, 0x74, 0x61, 0x67, 0x18, 0x01, 0x20,
-	0x01, 0x28, 0x09, 0x52, 0x03, 0x74, 0x61, 0x67, 0x42, 0x52, 0x0a, 0x14, 0x63, 0x6f, 0x6d, 0x2e,
-	0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73,
-	0x50, 0x01, 0x5a, 0x25, 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, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0xaa, 0x02, 0x10, 0x58, 0x72, 0x61, 0x79,
-	0x2e, 0x41, 0x70, 0x70, 0x2e, 0x4d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x62, 0x06, 0x70, 0x72,
-	0x6f, 0x74, 0x6f, 0x33,
+	0x01, 0x28, 0x09, 0x52, 0x03, 0x74, 0x61, 0x67, 0x12, 0x16, 0x0a, 0x06, 0x6c, 0x69, 0x73, 0x74,
+	0x65, 0x6e, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x6c, 0x69, 0x73, 0x74, 0x65, 0x6e,
+	0x42, 0x52, 0x0a, 0x14, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70,
+	0x2e, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x50, 0x01, 0x5a, 0x25, 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, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63,
+	0x73, 0xaa, 0x02, 0x10, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x4d, 0x65, 0x74,
+	0x72, 0x69, 0x63, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

app/metrics/config.proto

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

app/metrics/metrics.go

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

app/observatory/burst/healthping.go

@@ -66,10 +66,10 @@ func NewHealthPing(ctx context.Context, dispatcher routing.Dispatcher, config *H
 		settings.Timeout = time.Duration(5) * time.Second
 	}
 	return &HealthPing{
-		ctx:      ctx,
+		ctx:        ctx,
 		dispatcher: dispatcher,
-		Settings: settings,
-		Results:  nil,
+		Settings:   settings,
+		Results:    nil,
 	}
 }
 

app/observatory/command/command.go

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

app/observatory/observer.go

@@ -32,7 +32,7 @@ type Observer struct {
 
 	finished *done.Instance
 
-	ohm outbound.Manager
+	ohm        outbound.Manager
 	dispatcher routing.Dispatcher
 }
 
@@ -226,9 +226,9 @@ func New(ctx context.Context, config *Config) (*Observer, error) {
 		return nil, errors.New("Cannot get depended features").Base(err)
 	}
 	return &Observer{
-		config: config,
-		ctx:    ctx,
-		ohm:    outboundManager,
+		config:     config,
+		ctx:        ctx,
+		ohm:        outboundManager,
 		dispatcher: dispatcher,
 	}, nil
 }

app/proxyman/command/command.go

@@ -177,7 +177,7 @@ func (s *service) Register(server *grpc.Server) {
 	common.Must(s.v.RequireFeatures(func(im inbound.Manager, om outbound.Manager) {
 		hs.ihm = im
 		hs.ohm = om
-	}))
+	}, false))
 	RegisterHandlerServiceServer(server, hs)
 
 	// For compatibility purposes

app/proxyman/inbound/dynamic.go

@@ -23,7 +23,7 @@ type DynamicInboundHandler struct {
 	receiverConfig *proxyman.ReceiverConfig
 	streamSettings *internet.MemoryStreamConfig
 	portMutex      sync.Mutex
-	portsInUse     map[net.Port]bool
+	portsInUse     map[net.Port]struct{}
 	workerMutex    sync.RWMutex
 	worker         []worker
 	lastRefresh    time.Time
@@ -39,7 +39,7 @@ func NewDynamicInboundHandler(ctx context.Context, tag string, receiverConfig *p
 		tag:            tag,
 		proxyConfig:    proxyConfig,
 		receiverConfig: receiverConfig,
-		portsInUse:     make(map[net.Port]bool),
+		portsInUse:     make(map[net.Port]struct{}),
 		mux:            mux.NewServer(ctx),
 		v:              v,
 		ctx:            ctx,
@@ -84,7 +84,7 @@ func (h *DynamicInboundHandler) allocatePort() net.Port {
 		port := net.Port(allPorts[r])
 		_, used := h.portsInUse[port]
 		if !used {
-			h.portsInUse[port] = true
+			h.portsInUse[port] = struct{}{}
 			return port
 		}
 	}

app/proxyman/inbound/worker.go

@@ -464,8 +464,7 @@ func (w *dsWorker) callback(conn stat.Connection) {
 		}
 	}
 	ctx = session.ContextWithInbound(ctx, &session.Inbound{
-		// Unix have no source addr, so we use gateway as source for log.
-		Source:  net.UnixDestination(w.address),
+		Source:  net.DestinationFromAddr(conn.RemoteAddr()),
 		Gateway: net.UnixDestination(w.address),
 		Tag:     w.tag,
 		Conn:    conn,

app/router/balancing.go

@@ -5,6 +5,7 @@ import (
 	sync "sync"
 
 	"github.com/xtls/xray-core/app/observatory"
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/extension"
@@ -31,9 +32,10 @@ type RoundRobinStrategy struct {
 func (s *RoundRobinStrategy) InjectContext(ctx context.Context) {
 	s.ctx = ctx
 	if len(s.FallbackTag) > 0 {
-		core.RequireFeaturesAsync(s.ctx, func(observatory extension.Observatory) {
+		common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
 			s.observatory = observatory
-		})
+			return nil
+		}))
 	}
 }
 

app/router/command/command.go

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

app/router/strategy_leastload.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/xtls/xray-core/app/observatory"
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/dice"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/core"
@@ -59,9 +60,10 @@ type node struct {
 
 func (s *LeastLoadStrategy) InjectContext(ctx context.Context) {
 	s.ctx = ctx
-	core.RequireFeaturesAsync(s.ctx, func(observatory extension.Observatory) {
+	common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
 		s.observer = observatory
-	})
+		return nil
+	}))
 }
 
 func (s *LeastLoadStrategy) PickOutbound(candidates []string) string {

app/router/strategy_leastping.go

@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"github.com/xtls/xray-core/app/observatory"
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/extension"
@@ -20,9 +21,10 @@ func (l *LeastPingStrategy) GetPrincipleTarget(strings []string) []string {
 
 func (l *LeastPingStrategy) InjectContext(ctx context.Context) {
 	l.ctx = ctx
-	core.RequireFeaturesAsync(l.ctx, func(observatory extension.Observatory) {
+	common.Must(core.RequireFeatures(l.ctx, func(observatory extension.Observatory) error {
 		l.observatory = observatory
-	})
+		return nil
+	}))
 }
 
 func (l *LeastPingStrategy) PickOutbound(strings []string) string {

app/router/strategy_random.go

@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"github.com/xtls/xray-core/app/observatory"
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/dice"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/extension"
@@ -20,9 +21,10 @@ type RandomStrategy struct {
 func (s *RandomStrategy) InjectContext(ctx context.Context) {
 	s.ctx = ctx
 	if len(s.FallbackTag) > 0 {
-		core.RequireFeaturesAsync(s.ctx, func(observatory extension.Observatory) {
+		common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
 			s.observatory = observatory
-		})
+			return nil
+		}))
 	}
 }
 

app/stats/command/command.go

@@ -60,6 +60,24 @@ func (s *statsServer) GetStatsOnline(ctx context.Context, request *GetStatsReque
 	}, nil
 }
 
+func (s *statsServer) GetStatsOnlineIpList(ctx context.Context, request *GetStatsRequest) (*GetStatsOnlineIpListResponse, error) {
+	c := s.stats.GetOnlineMap(request.Name)
+
+	if c == nil {
+		return nil, errors.New(request.Name, " not found.")
+	}
+
+	ips := make(map[string]int64)
+	for ip, t := range c.IpTimeMap() {
+		ips[ip] = t.Unix()
+	}
+
+	return &GetStatsOnlineIpListResponse{
+		Name: request.Name,
+		Ips:  ips,
+	}, nil
+}
+
 func (s *statsServer) QueryStats(ctx context.Context, request *QueryStatsRequest) (*QueryStatsResponse, error) {
 	matcher, err := strmatcher.Substr.New(request.Pattern)
 	if err != nil {

app/stats/command/command.pb.go

@@ -424,6 +424,59 @@ func (x *SysStatsResponse) GetUptime() uint32 {
 	return 0
 }
 
+type GetStatsOnlineIpListResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name string           `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Ips  map[string]int64 `protobuf:"bytes,2,rep,name=ips,proto3" json:"ips,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"varint,2,opt,name=value,proto3"`
+}
+
+func (x *GetStatsOnlineIpListResponse) Reset() {
+	*x = GetStatsOnlineIpListResponse{}
+	mi := &file_app_stats_command_command_proto_msgTypes[7]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GetStatsOnlineIpListResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetStatsOnlineIpListResponse) ProtoMessage() {}
+
+func (x *GetStatsOnlineIpListResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_app_stats_command_command_proto_msgTypes[7]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetStatsOnlineIpListResponse.ProtoReflect.Descriptor instead.
+func (*GetStatsOnlineIpListResponse) Descriptor() ([]byte, []int) {
+	return file_app_stats_command_command_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *GetStatsOnlineIpListResponse) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *GetStatsOnlineIpListResponse) GetIps() map[string]int64 {
+	if x != nil {
+		return x.Ips
+	}
+	return nil
+}
+
 type Config struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -432,7 +485,7 @@ type Config struct {
 
 func (x *Config) Reset() {
 	*x = Config{}
-	mi := &file_app_stats_command_command_proto_msgTypes[7]
+	mi := &file_app_stats_command_command_proto_msgTypes[8]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -444,7 +497,7 @@ func (x *Config) String() string {
 func (*Config) ProtoMessage() {}
 
 func (x *Config) ProtoReflect() protoreflect.Message {
-	mi := &file_app_stats_command_command_proto_msgTypes[7]
+	mi := &file_app_stats_command_command_proto_msgTypes[8]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -457,7 +510,7 @@ func (x *Config) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Config.ProtoReflect.Descriptor instead.
 func (*Config) Descriptor() ([]byte, []int) {
-	return file_app_stats_command_command_proto_rawDescGZIP(), []int{7}
+	return file_app_stats_command_command_proto_rawDescGZIP(), []int{8}
 }
 
 var File_app_stats_command_command_proto protoreflect.FileDescriptor
@@ -506,40 +559,60 @@ var file_app_stats_command_command_proto_rawDesc = []byte{
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 var (
@@ -554,33 +627,38 @@ func file_app_stats_command_command_proto_rawDescGZIP() []byte {
 	return file_app_stats_command_command_proto_rawDescData
 }
 
-var file_app_stats_command_command_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
+var file_app_stats_command_command_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
 var file_app_stats_command_command_proto_goTypes = []any{
-	(*GetStatsRequest)(nil),    // 0: xray.app.stats.command.GetStatsRequest
-	(*Stat)(nil),               // 1: xray.app.stats.command.Stat
-	(*GetStatsResponse)(nil),   // 2: xray.app.stats.command.GetStatsResponse
-	(*QueryStatsRequest)(nil),  // 3: xray.app.stats.command.QueryStatsRequest
-	(*QueryStatsResponse)(nil), // 4: xray.app.stats.command.QueryStatsResponse
-	(*SysStatsRequest)(nil),    // 5: xray.app.stats.command.SysStatsRequest
-	(*SysStatsResponse)(nil),   // 6: xray.app.stats.command.SysStatsResponse
-	(*Config)(nil),             // 7: xray.app.stats.command.Config
+	(*GetStatsRequest)(nil),              // 0: xray.app.stats.command.GetStatsRequest
+	(*Stat)(nil),                         // 1: xray.app.stats.command.Stat
+	(*GetStatsResponse)(nil),             // 2: xray.app.stats.command.GetStatsResponse
+	(*QueryStatsRequest)(nil),            // 3: xray.app.stats.command.QueryStatsRequest
+	(*QueryStatsResponse)(nil),           // 4: xray.app.stats.command.QueryStatsResponse
+	(*SysStatsRequest)(nil),              // 5: xray.app.stats.command.SysStatsRequest
+	(*SysStatsResponse)(nil),             // 6: xray.app.stats.command.SysStatsResponse
+	(*GetStatsOnlineIpListResponse)(nil), // 7: xray.app.stats.command.GetStatsOnlineIpListResponse
+	(*Config)(nil),                       // 8: xray.app.stats.command.Config
+	nil,                                  // 9: xray.app.stats.command.GetStatsOnlineIpListResponse.IpsEntry
 }
 var file_app_stats_command_command_proto_depIdxs = []int32{
 	1, // 0: xray.app.stats.command.GetStatsResponse.stat:type_name -> xray.app.stats.command.Stat
 	1, // 1: xray.app.stats.command.QueryStatsResponse.stat:type_name -> xray.app.stats.command.Stat
-	0, // 2: xray.app.stats.command.StatsService.GetStats:input_type -> xray.app.stats.command.GetStatsRequest
-	0, // 3: xray.app.stats.command.StatsService.GetStatsOnline:input_type -> xray.app.stats.command.GetStatsRequest
-	3, // 4: xray.app.stats.command.StatsService.QueryStats:input_type -> xray.app.stats.command.QueryStatsRequest
-	5, // 5: xray.app.stats.command.StatsService.GetSysStats:input_type -> xray.app.stats.command.SysStatsRequest
-	2, // 6: xray.app.stats.command.StatsService.GetStats:output_type -> xray.app.stats.command.GetStatsResponse
-	2, // 7: xray.app.stats.command.StatsService.GetStatsOnline:output_type -> xray.app.stats.command.GetStatsResponse
-	4, // 8: xray.app.stats.command.StatsService.QueryStats:output_type -> xray.app.stats.command.QueryStatsResponse
-	6, // 9: xray.app.stats.command.StatsService.GetSysStats:output_type -> xray.app.stats.command.SysStatsResponse
-	6, // [6:10] is the sub-list for method output_type
-	2, // [2:6] is the sub-list for method input_type
-	2, // [2:2] is the sub-list for extension type_name
-	2, // [2:2] is the sub-list for extension extendee
-	0, // [0:2] is the sub-list for field type_name
+	9, // 2: xray.app.stats.command.GetStatsOnlineIpListResponse.ips:type_name -> xray.app.stats.command.GetStatsOnlineIpListResponse.IpsEntry
+	0, // 3: xray.app.stats.command.StatsService.GetStats:input_type -> xray.app.stats.command.GetStatsRequest
+	0, // 4: xray.app.stats.command.StatsService.GetStatsOnline:input_type -> xray.app.stats.command.GetStatsRequest
+	3, // 5: xray.app.stats.command.StatsService.QueryStats:input_type -> xray.app.stats.command.QueryStatsRequest
+	5, // 6: xray.app.stats.command.StatsService.GetSysStats:input_type -> xray.app.stats.command.SysStatsRequest
+	0, // 7: xray.app.stats.command.StatsService.GetStatsOnlineIpList:input_type -> xray.app.stats.command.GetStatsRequest
+	2, // 8: xray.app.stats.command.StatsService.GetStats:output_type -> xray.app.stats.command.GetStatsResponse
+	2, // 9: xray.app.stats.command.StatsService.GetStatsOnline:output_type -> xray.app.stats.command.GetStatsResponse
+	4, // 10: xray.app.stats.command.StatsService.QueryStats:output_type -> xray.app.stats.command.QueryStatsResponse
+	6, // 11: xray.app.stats.command.StatsService.GetSysStats:output_type -> xray.app.stats.command.SysStatsResponse
+	7, // 12: xray.app.stats.command.StatsService.GetStatsOnlineIpList:output_type -> xray.app.stats.command.GetStatsOnlineIpListResponse
+	8, // [8:13] is the sub-list for method output_type
+	3, // [3:8] is the sub-list for method input_type
+	3, // [3:3] is the sub-list for extension type_name
+	3, // [3:3] is the sub-list for extension extendee
+	0, // [0:3] is the sub-list for field type_name
 }
 
 func init() { file_app_stats_command_command_proto_init() }
@@ -594,7 +672,7 @@ func file_app_stats_command_command_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_app_stats_command_command_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   8,
+			NumMessages:   10,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

app/stats/command/command.proto

@@ -46,11 +46,17 @@ message SysStatsResponse {
   uint32 Uptime = 10;
 }
 
+message GetStatsOnlineIpListResponse {
+  string name = 1;
+  map<string, int64> ips = 2;
+}
+
 service StatsService {
   rpc GetStats(GetStatsRequest) returns (GetStatsResponse) {}
   rpc GetStatsOnline(GetStatsRequest) returns (GetStatsResponse) {}
   rpc QueryStats(QueryStatsRequest) returns (QueryStatsResponse) {}
   rpc GetSysStats(SysStatsRequest) returns (SysStatsResponse) {}
+  rpc GetStatsOnlineIpList(GetStatsRequest) returns (GetStatsOnlineIpListResponse) {}
 }
 
 message Config {}

app/stats/command/command_grpc.pb.go

@@ -19,10 +19,11 @@ import (
 const _ = grpc.SupportPackageIsVersion9
 
 const (
-	StatsService_GetStats_FullMethodName       = "/xray.app.stats.command.StatsService/GetStats"
-	StatsService_GetStatsOnline_FullMethodName = "/xray.app.stats.command.StatsService/GetStatsOnline"
-	StatsService_QueryStats_FullMethodName     = "/xray.app.stats.command.StatsService/QueryStats"
-	StatsService_GetSysStats_FullMethodName    = "/xray.app.stats.command.StatsService/GetSysStats"
+	StatsService_GetStats_FullMethodName             = "/xray.app.stats.command.StatsService/GetStats"
+	StatsService_GetStatsOnline_FullMethodName       = "/xray.app.stats.command.StatsService/GetStatsOnline"
+	StatsService_QueryStats_FullMethodName           = "/xray.app.stats.command.StatsService/QueryStats"
+	StatsService_GetSysStats_FullMethodName          = "/xray.app.stats.command.StatsService/GetSysStats"
+	StatsService_GetStatsOnlineIpList_FullMethodName = "/xray.app.stats.command.StatsService/GetStatsOnlineIpList"
 )
 
 // StatsServiceClient is the client API for StatsService service.
@@ -33,6 +34,7 @@ type StatsServiceClient interface {
 	GetStatsOnline(ctx context.Context, in *GetStatsRequest, opts ...grpc.CallOption) (*GetStatsResponse, error)
 	QueryStats(ctx context.Context, in *QueryStatsRequest, opts ...grpc.CallOption) (*QueryStatsResponse, error)
 	GetSysStats(ctx context.Context, in *SysStatsRequest, opts ...grpc.CallOption) (*SysStatsResponse, error)
+	GetStatsOnlineIpList(ctx context.Context, in *GetStatsRequest, opts ...grpc.CallOption) (*GetStatsOnlineIpListResponse, error)
 }
 
 type statsServiceClient struct {
@@ -83,6 +85,16 @@ func (c *statsServiceClient) GetSysStats(ctx context.Context, in *SysStatsReques
 	return out, nil
 }
 
+func (c *statsServiceClient) GetStatsOnlineIpList(ctx context.Context, in *GetStatsRequest, opts ...grpc.CallOption) (*GetStatsOnlineIpListResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(GetStatsOnlineIpListResponse)
+	err := c.cc.Invoke(ctx, StatsService_GetStatsOnlineIpList_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // StatsServiceServer is the server API for StatsService service.
 // All implementations must embed UnimplementedStatsServiceServer
 // for forward compatibility.
@@ -91,6 +103,7 @@ type StatsServiceServer interface {
 	GetStatsOnline(context.Context, *GetStatsRequest) (*GetStatsResponse, error)
 	QueryStats(context.Context, *QueryStatsRequest) (*QueryStatsResponse, error)
 	GetSysStats(context.Context, *SysStatsRequest) (*SysStatsResponse, error)
+	GetStatsOnlineIpList(context.Context, *GetStatsRequest) (*GetStatsOnlineIpListResponse, error)
 	mustEmbedUnimplementedStatsServiceServer()
 }
 
@@ -113,6 +126,9 @@ func (UnimplementedStatsServiceServer) QueryStats(context.Context, *QueryStatsRe
 func (UnimplementedStatsServiceServer) GetSysStats(context.Context, *SysStatsRequest) (*SysStatsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetSysStats not implemented")
 }
+func (UnimplementedStatsServiceServer) GetStatsOnlineIpList(context.Context, *GetStatsRequest) (*GetStatsOnlineIpListResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetStatsOnlineIpList not implemented")
+}
 func (UnimplementedStatsServiceServer) mustEmbedUnimplementedStatsServiceServer() {}
 func (UnimplementedStatsServiceServer) testEmbeddedByValue()                      {}
 
@@ -206,6 +222,24 @@ func _StatsService_GetSysStats_Handler(srv interface{}, ctx context.Context, dec
 	return interceptor(ctx, in, info, handler)
 }
 
+func _StatsService_GetStatsOnlineIpList_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetStatsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StatsServiceServer).GetStatsOnlineIpList(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: StatsService_GetStatsOnlineIpList_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StatsServiceServer).GetStatsOnlineIpList(ctx, req.(*GetStatsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // StatsService_ServiceDesc is the grpc.ServiceDesc for StatsService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -229,6 +263,10 @@ var StatsService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetSysStats",
 			Handler:    _StatsService_GetSysStats_Handler,
 		},
+		{
+			MethodName: "GetStatsOnlineIpList",
+			Handler:    _StatsService_GetStatsOnlineIpList_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "app/stats/command/command.proto",

app/stats/online_map.go

@@ -78,3 +78,13 @@ func (c *OnlineMap) RemoveExpiredIPs(list map[string]time.Time) map[string]time.
 	}
 	return list
 }
+
+func (c *OnlineMap) IpTimeMap() map[string]time.Time {
+	list := c.ipList
+	if time.Since(c.lastCleanup) > c.cleanupPeriod {
+		list = c.RemoveExpiredIPs(list)
+		c.lastCleanup = time.Now()
+	}
+
+	return c.ipList
+}

common/common.go

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

common/log/logger.go

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

common/net/destination.go

@@ -89,12 +89,10 @@ func UnixDestination(address Address) Destination {
 // NetAddr returns the network address in this Destination in string form.
 func (d Destination) NetAddr() string {
 	addr := ""
-	if d.Address != nil {
-		if d.Network == Network_TCP || d.Network == Network_UDP {
-			addr = d.Address.String() + ":" + d.Port.String()
-		} else if d.Network == Network_UNIX {
-			addr = d.Address.String()
-		}
+	if d.Network == Network_TCP || d.Network == Network_UDP {
+		addr = d.Address.String() + ":" + d.Port.String()
+	} else if d.Network == Network_UNIX {
+		addr = d.Address.String()
 	}
 	return addr
 }

common/net/system.go

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

common/protocol/tls/cert/.gitignore

@@ -1 +1,2 @@
-*.pem
+*.crt
+*.key

common/protocol/tls/cert/cert_test.go

@@ -78,9 +78,9 @@ func printJSON(certificate *Certificate) {
 func printFile(certificate *Certificate, name string) error {
 	certPEM, keyPEM := certificate.ToPEM()
 	return task.Run(context.Background(), func() error {
-		return writeFile(certPEM, name+"_cert.pem")
+		return writeFile(certPEM, name+".crt")
 	}, func() error {
-		return writeFile(keyPEM, name+"_key.pem")
+		return writeFile(keyPEM, name+".key")
 	})
 }
 

common/reflect/marshal.go

@@ -58,7 +58,9 @@ func marshalSlice(v reflect.Value, ignoreNullValue bool, insertTypeInfo bool) in
 }
 
 func isNullValue(f reflect.StructField, rv reflect.Value) bool {
-	if rv.Kind() == reflect.String && rv.Len() == 0 {
+	if rv.Kind() == reflect.Struct {
+		return false
+	} else if rv.Kind() == reflect.String && rv.Len() == 0 {
 		return true
 	} else if !isValueKind(rv.Kind()) && rv.IsNil() {
 		return true
@@ -184,6 +186,12 @@ func marshalKnownType(v interface{}, ignoreNullValue bool, insertTypeInfo bool)
 	case *conf.PortList:
 		cpl := v.(*conf.PortList)
 		return serializePortList(cpl.Build())
+	case conf.Int32Range:
+		i32rng := v.(conf.Int32Range)
+		if i32rng.Left == i32rng.Right {
+			return i32rng.Left, true
+		}
+		return i32rng.String(), true
 	case cnet.Address:
 		if addr := v.(cnet.Address); addr != nil {
 			return addr.String(), true

common/reflect/marshal_test.go

@@ -116,98 +116,129 @@ func TestMarshalConfigJson(t *testing.T) {
 		"system",
 		"inboundDownlink",
 		"outboundUplink",
+		"XHTTP_IN",
+		"\"host\": \"bing.com\"",
+		"scMaxEachPostBytes",
+		"\"from\": 100",
+		"\"to\": 1000",
+		"\"from\": 1000000",
+		"\"to\": 1000000",
 	}
 	for _, kw := range keywords {
 		if !strings.Contains(tc, kw) {
-			t.Error("marshaled config error")
+			t.Log("config.json:", tc)
+			t.Error("keyword not found:", kw)
+			break
 		}
 	}
 }
 
 func getConfig() string {
 	return `{
-		"log": {
-		  "loglevel": "debug"
-		},
-		"stats": {},
-		"policy": {
-		  "levels": {
-			"0": {
-			  "statsUserUplink": true,
-			  "statsUserDownlink": true
-			}
-		  },
-		  "system": {
-			"statsInboundUplink": true,
-			"statsInboundDownlink": true,
-			"statsOutboundUplink": true,
-			"statsOutboundDownlink": true
-		  }
-		},
-		"inbounds": [
-		  {
-			"tag": "agentin",
-			"protocol": "http",
-			"port": 8080,
-			"listen": "127.0.0.1",
-			"settings": {}
-		  },
-		  {
-			"listen": "127.0.0.1",
-			"port": 10085,
-			"protocol": "dokodemo-door",
-			"settings": {
-			  "address": "127.0.0.1"
-			},
-			"tag": "api-in"
-		  }
-		],
-		"api": {
-		  "tag": "api",
-		  "services": [
-			"HandlerService",
-			"StatsService"
-		  ]
-		},
-		"routing": {
-		  "rules": [
-			{
-			  "inboundTag": [
-				"api-in"
-			  ],
-			  "outboundTag": "api",
-			  "type": "field"
-			}
-		  ],
-		  "domainStrategy": "AsIs"
-		},
-		"outbounds": [
-		  {
-			"protocol": "vless",
-			"settings": {
-			  "vnext": [
-				{
-				  "address": "1.2.3.4",
-				  "port": 1234,
-				  "users": [
-					{
-					  "id": "4784f9b8-a879-4fec-9718-ebddefa47750",
-					  "encryption": "none"
-					}
-				  ]
-				}
-			  ]
-			},
-			"tag": "agentout",
-			"streamSettings": {
-			  "network": "ws",
-			  "security": "none",
-			  "wsSettings": {
-				"path": "/?ed=2048",
-				"host": "bing.com"
-			  }
-			}
-		  }
-		]
-	  }`
+  "log": {
+    "loglevel": "debug"
+  },
+  "stats": {},
+  "policy": {
+    "levels": {
+      "0": {
+        "statsUserUplink": true,
+        "statsUserDownlink": true
+      }
+    },
+    "system": {
+      "statsInboundUplink": true,
+      "statsInboundDownlink": true,
+      "statsOutboundUplink": true,
+      "statsOutboundDownlink": true
+    }
+  },
+  "inbounds": [
+    {
+      "tag": "agentin",
+      "protocol": "http",
+      "port": 18080,
+      "listen": "127.0.0.1",
+      "settings": {}
+    },
+    {
+      "listen": "127.0.0.1",
+      "port": 10085,
+      "protocol": "dokodemo-door",
+      "settings": {
+        "address": "127.0.0.1"
+      },
+      "tag": "api-in"
+    }
+  ],
+  "api": {
+    "tag": "api",
+    "services": [
+      "HandlerService",
+      "StatsService"
+    ]
+  },
+  "routing": {
+    "rules": [
+      {
+        "inboundTag": [
+          "api-in"
+        ],
+        "outboundTag": "api",
+        "type": "field"
+      }
+    ],
+    "domainStrategy": "AsIs"
+  },
+  "outbounds": [
+    {
+      "protocol": "vless",
+      "settings": {
+        "vnext": [
+          {
+            "address": "1.2.3.4",
+            "port": 1234,
+            "users": [
+              {
+                "id": "4784f9b8-a879-4fec-9718-ebddefa47750",
+                "encryption": "none"
+              }
+            ]
+          }
+        ]
+      },
+      "tag": "XHTTP_IN",
+      "streamSettings": {
+        "network": "xhttp",
+        "xhttpSettings": {
+          "host": "bing.com",
+          "path": "/xhttp_client_upload",
+          "mode": "auto",
+          "extra": {
+            "noSSEHeader": false,
+            "scMaxEachPostBytes": 1000000,
+            "scMaxBufferedPosts": 30,
+            "xPaddingBytes": "100-1000"
+          }
+        },
+        "sockopt": {
+          "tcpFastOpen": true,
+          "acceptProxyProtocol": false,
+          "tcpcongestion": "bbr",
+          "tcpMptcp": true
+        }
+      },
+      "sniffing": {
+        "enabled": true,
+        "destOverride": [
+          "http",
+          "tls",
+          "quic"
+        ],
+        "metadataOnly": false,
+        "routeOnly": true
+      }
+    }
+  ]
+}`
 }

common/session/context.go

@@ -23,6 +23,8 @@ const (
 	timeoutOnlyKey            ctx.SessionKey = 8
 	allowedNetworkKey         ctx.SessionKey = 9
 	handlerSessionKey         ctx.SessionKey = 10
+	mitmAlpn11Key             ctx.SessionKey = 11
+	mitmServerNameKey         ctx.SessionKey = 12
 )
 
 func ContextWithInbound(ctx context.Context, inbound *Inbound) context.Context {
@@ -162,3 +164,25 @@ func AllowedNetworkFromContext(ctx context.Context) net.Network {
 	}
 	return net.Network_Unknown
 }
+
+func ContextWithMitmAlpn11(ctx context.Context, alpn11 bool) context.Context {
+	return context.WithValue(ctx, mitmAlpn11Key, alpn11)
+}
+
+func MitmAlpn11FromContext(ctx context.Context) bool {
+	if val, ok := ctx.Value(mitmAlpn11Key).(bool); ok {
+		return val
+	}
+	return false
+}
+
+func ContextWithMitmServerName(ctx context.Context, serverName string) context.Context {
+	return context.WithValue(ctx, mitmServerNameKey, serverName)
+}
+
+func MitmServerNameFromContext(ctx context.Context) string {
+	if val, ok := ctx.Value(mitmServerNameKey).(string); ok {
+		return val
+	}
+	return ""
+}

core/config.go

@@ -2,6 +2,7 @@ package core
 
 import (
 	"io"
+	"slices"
 	"strings"
 
 	"github.com/xtls/xray-core/common"
@@ -64,14 +65,11 @@ func GetMergedConfig(args cmdarg.Arg) (string, error) {
 	supported := []string{"json", "yaml", "toml"}
 	for _, file := range args {
 		format := getFormat(file)
-		for _, s := range supported {
-			if s == format {
-				files = append(files, &ConfigSource{
-					Name:   file,
-					Format: format,
-				})
-				break
-			}
+		if slices.Contains(supported, format) {
+			files = append(files, &ConfigSource{
+				Name:   file,
+				Format: format,
+			})
 		}
 	}
 	return ConfigMergedFormFiles(files)

core/core.go

@@ -17,8 +17,8 @@ import (
 )
 
 var (
-	Version_x byte = 24
-	Version_y byte = 12
+	Version_x byte = 25
+	Version_y byte = 2
 	Version_z byte = 18
 )
 

core/xray.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"reflect"
 	"sync"
-	"time"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
@@ -45,22 +44,13 @@ func getFeature(allFeatures []features.Feature, t reflect.Type) features.Feature
 	return nil
 }
 
-func (r *resolution) resolve(allFeatures []features.Feature) (bool, error) {
-	var fs []features.Feature
-	for _, d := range r.deps {
-		f := getFeature(allFeatures, d)
-		if f == nil {
-			return false, nil
-		}
-		fs = append(fs, f)
-	}
-
+func (r *resolution) callbackResolution(allFeatures []features.Feature) error {
 	callback := reflect.ValueOf(r.callback)
 	var input []reflect.Value
 	callbackType := callback.Type()
 	for i := 0; i < callbackType.NumIn(); i++ {
 		pt := callbackType.In(i)
-		for _, f := range fs {
+		for _, f := range allFeatures {
 			if reflect.TypeOf(f).AssignableTo(pt) {
 				input = append(input, reflect.ValueOf(f))
 				break
@@ -85,15 +75,17 @@ func (r *resolution) resolve(allFeatures []features.Feature) (bool, error) {
 		}
 	}
 
-	return true, err
+	return err
 }
 
 // Instance combines all Xray features.
 type Instance struct {
-	access             sync.Mutex
-	features           []features.Feature
-	featureResolutions []resolution
-	running            bool
+	statusLock                 sync.Mutex
+	features                   []features.Feature
+	pendingResolutions         []resolution
+	pendingOptionalResolutions []resolution
+	running                    bool
+	resolveLock                sync.Mutex
 
 	ctx context.Context
 }
@@ -154,13 +146,14 @@ func addOutboundHandlers(server *Instance, configs []*OutboundHandlerConfig) err
 // See Instance.RequireFeatures for more information.
 func RequireFeatures(ctx context.Context, callback interface{}) error {
 	v := MustFromContext(ctx)
-	return v.RequireFeatures(callback)
+	return v.RequireFeatures(callback, false)
 }
 
-// RequireFeaturesAsync registers a callback, which will be called when all dependent features are registered. The order of app init doesn't matter
-func RequireFeaturesAsync(ctx context.Context, callback interface{}) {
+// OptionalFeatures is a helper function to aquire features from Instance in context.
+// See Instance.RequireFeatures for more information.
+func OptionalFeatures(ctx context.Context, callback interface{}) error {
 	v := MustFromContext(ctx)
-	v.RequireFeaturesAsync(callback)
+	return v.RequireFeatures(callback, true)
 }
 
 // New returns a new Xray instance based on given configuration.
@@ -234,9 +227,12 @@ func initInstanceWithConfig(config *Config, server *Instance) (bool, error) {
 		}(),
 	)
 
-	if server.featureResolutions != nil {
+	server.resolveLock.Lock()
+	if server.pendingResolutions != nil {
+		server.resolveLock.Unlock()
 		return true, errors.New("not all dependencies are resolved.")
 	}
+	server.resolveLock.Unlock()
 
 	if err := addInboundHandlers(server, config.Inbound); err != nil {
 		return true, err
@@ -255,8 +251,8 @@ func (s *Instance) Type() interface{} {
 
 // Close shutdown the Xray instance.
 func (s *Instance) Close() error {
-	s.access.Lock()
-	defer s.access.Unlock()
+	s.statusLock.Lock()
+	defer s.statusLock.Unlock()
 
 	s.running = false
 
@@ -275,7 +271,7 @@ func (s *Instance) Close() error {
 
 // RequireFeatures registers a callback, which will be called when all dependent features are registered.
 // The callback must be a func(). All its parameters must be features.Feature.
-func (s *Instance) RequireFeatures(callback interface{}) error {
+func (s *Instance) RequireFeatures(callback interface{}, optional bool) error {
 	callbackType := reflect.TypeOf(callback)
 	if callbackType.Kind() != reflect.Func {
 		panic("not a function")
@@ -290,47 +286,32 @@ func (s *Instance) RequireFeatures(callback interface{}) error {
 		deps:     featureTypes,
 		callback: callback,
 	}
-	if finished, err := r.resolve(s.features); finished {
-		return err
-	}
-	s.featureResolutions = append(s.featureResolutions, r)
-	return nil
-}
 
-// RequireFeaturesAsync registers a callback, which will be called when all dependent features are registered. The order of app init doesn't matter
-func (s *Instance) RequireFeaturesAsync(callback interface{}) {
-	callbackType := reflect.TypeOf(callback)
-	if callbackType.Kind() != reflect.Func {
-		panic("not a function")
-	}
-
-	var featureTypes []reflect.Type
-	for i := 0; i < callbackType.NumIn(); i++ {
-		featureTypes = append(featureTypes, reflect.PtrTo(callbackType.In(i)))
-	}
-
-	r := resolution{
-		deps:     featureTypes,
-		callback: callback,
-	}
-	go func() {
-		var finished = false
-		for i := 0; !finished; i++ {
-			if i > 100000 {
-				errors.LogError(s.ctx, "RequireFeaturesAsync failed after count ", i)
-				break;
-			}
-			finished, _ = r.resolve(s.features)
-			time.Sleep(time.Millisecond)
+	s.resolveLock.Lock()
+	foundAll := true
+	for _, d := range r.deps {
+		f := getFeature(s.features, d)
+		if f == nil {
+			foundAll = false
+			break
 		}
-		s.featureResolutions = append(s.featureResolutions, r)
-	}()
+	}
+	if foundAll {
+		s.resolveLock.Unlock()
+		return r.callbackResolution(s.features)
+	} else {
+		if optional {
+			s.pendingOptionalResolutions = append(s.pendingOptionalResolutions, r)
+		} else {
+			s.pendingResolutions = append(s.pendingResolutions, r)
+		}
+		s.resolveLock.Unlock()
+		return nil
+	}
 }
 
 // AddFeature registers a feature into current Instance.
 func (s *Instance) AddFeature(feature features.Feature) error {
-	s.features = append(s.features, feature)
-
 	if s.running {
 		if err := feature.Start(); err != nil {
 			errors.LogInfoInner(s.ctx, err, "failed to start feature")
@@ -338,27 +319,52 @@ func (s *Instance) AddFeature(feature features.Feature) error {
 		return nil
 	}
 
-	if s.featureResolutions == nil {
-		return nil
-	}
+	s.resolveLock.Lock()
+	s.features = append(s.features, feature)
 
-	var pendingResolutions []resolution
-	for _, r := range s.featureResolutions {
-		finished, err := r.resolve(s.features)
-		if finished && err != nil {
-			return err
+	var availableResolution []resolution
+	var pending []resolution
+	for _, r := range s.pendingResolutions {
+		foundAll := true
+		for _, d := range r.deps {
+			f := getFeature(s.features, d)
+			if f == nil {
+				foundAll = false
+				break
+			}
 		}
-		if !finished {
-			pendingResolutions = append(pendingResolutions, r)
+		if foundAll {
+			availableResolution = append(availableResolution, r)
+		} else {
+			pending = append(pending, r)
 		}
 	}
-	if len(pendingResolutions) == 0 {
-		s.featureResolutions = nil
-	} else if len(pendingResolutions) < len(s.featureResolutions) {
-		s.featureResolutions = pendingResolutions
-	}
+	s.pendingResolutions = pending
 
-	return nil
+	var pendingOptional []resolution
+	for _, r := range s.pendingOptionalResolutions {
+		foundAll := true
+		for _, d := range r.deps {
+			f := getFeature(s.features, d)
+			if f == nil {
+				foundAll = false
+				break
+			}
+		}
+		if foundAll {
+			availableResolution = append(availableResolution, r)
+		} else {
+			pendingOptional = append(pendingOptional, r)
+		}
+	}
+	s.pendingOptionalResolutions = pendingOptional
+	s.resolveLock.Unlock()
+
+	var err error
+	for _, r := range availableResolution {
+		err = r.callbackResolution(s.features) // only return the last error for now
+	}
+	return err
 }
 
 // GetFeature returns a feature of the given type, or nil if such feature is not registered.
@@ -371,8 +377,8 @@ func (s *Instance) GetFeature(featureType interface{}) features.Feature {
 //
 // xray:api:stable
 func (s *Instance) Start() error {
-	s.access.Lock()
-	defer s.access.Unlock()
+	s.statusLock.Lock()
+	defer s.statusLock.Unlock()
 
 	s.running = true
 	for _, f := range s.features {

core/xray_test.go

@@ -30,7 +30,7 @@ func TestXrayDependency(t *testing.T) {
 			t.Error("expected dns client fulfilled, but actually nil")
 		}
 		wait <- true
-	})
+	}, false)
 	instance.AddFeature(localdns.New())
 	<-wait
 }

features/inbound/inbound.go

@@ -25,7 +25,7 @@ type Handler interface {
 // xray:api:stable
 type Manager interface {
 	features.Feature
-	// GetHandlers returns an InboundHandler for the given tag.
+	// GetHandler returns an InboundHandler for the given tag.
 	GetHandler(ctx context.Context, tag string) (Handler, error)
 	// AddHandler adds the given handler into this Manager.
 	AddHandler(ctx context.Context, handler Handler) error

features/routing/context.go

@@ -11,7 +11,7 @@ type Context interface {
 	// GetInboundTag returns the tag of the inbound the connection was from.
 	GetInboundTag() string
 
-	// GetSourcesIPs returns the source IPs bound to the connection.
+	// GetSourceIPs returns the source IPs bound to the connection.
 	GetSourceIPs() []net.IP
 
 	// GetSourcePort returns the source port of the connection.

features/stats/stats.go

@@ -2,6 +2,7 @@ package stats
 
 import (
 	"context"
+	"time"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
@@ -30,6 +31,8 @@ type OnlineMap interface {
 	AddIP(string)
 	// List is the current OnlineMap ip list.
 	List() []string
+	// IpTimeMap return client ips and their last access time.
+	IpTimeMap() map[string]time.Time
 }
 
 // Channel is the interface for stats channel.

go.mod

@@ -1,20 +1,18 @@
 module github.com/xtls/xray-core
 
-go 1.21.4
-
-replace github.com/quic-go/quic-go v0.46.0 => github.com/xtls/quic-go v0.46.2
+go 1.23
 
 require (
 	github.com/OmarTariq612/goech v0.0.0-20240405204721-8e2e1dafd3a0
-	github.com/cloudflare/circl v1.4.0
+	github.com/cloudflare/circl v1.6.0
 	github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344
 	github.com/golang/mock v1.7.0-rc.1
 	github.com/google/go-cmp v0.6.0
 	github.com/gorilla/websocket v1.5.3
-	github.com/miekg/dns v1.1.62
+	github.com/miekg/dns v1.1.63
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pires/go-proxyproto v0.8.0
-	github.com/quic-go/quic-go v0.46.0
+	github.com/quic-go/quic-go v0.49.0
 	github.com/refraction-networking/utls v1.6.7
 	github.com/sagernet/sing v0.5.1
 	github.com/sagernet/sing-shadowsocks v0.2.7
@@ -24,14 +22,14 @@ require (
 	github.com/vishvananda/netlink v1.3.0
 	github.com/xtls/reality v0.0.0-20240712055506-48f0b2d5ed6d
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
-	golang.org/x/crypto v0.31.0
-	golang.org/x/net v0.32.0
-	golang.org/x/sync v0.10.0
-	golang.org/x/sys v0.28.0
+	golang.org/x/crypto v0.33.0
+	golang.org/x/net v0.35.0
+	golang.org/x/sync v0.11.0
+	golang.org/x/sys v0.30.0
 	golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173
-	google.golang.org/grpc v1.67.1
-	google.golang.org/protobuf v1.36.0
-	gvisor.dev/gvisor v0.0.0-20231202080848-1f7806d17489
+	google.golang.org/grpc v1.70.0
+	google.golang.org/protobuf v1.36.5
+	gvisor.dev/gvisor v0.0.0-20240320123526-dc6abceb7ff0
 	h12.io/socks v1.0.3
 	lukechampine.com/blake3 v1.3.0
 )
@@ -47,17 +45,17 @@ require (
 	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
 	github.com/onsi/ginkgo/v2 v2.19.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/quic-go/qpack v0.4.0 // indirect
+	github.com/quic-go/qpack v0.5.1 // indirect
 	github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 // indirect
 	github.com/vishvananda/netns v0.0.4 // indirect
-	go.uber.org/mock v0.4.0 // indirect
+	go.uber.org/mock v0.5.0 // indirect
 	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc // indirect
-	golang.org/x/mod v0.18.0 // indirect
-	golang.org/x/text v0.21.0 // indirect
-	golang.org/x/time v0.5.0 // indirect
-	golang.org/x/tools v0.22.0 // indirect
+	golang.org/x/mod v0.21.0 // indirect
+	golang.org/x/text v0.22.0 // indirect
+	golang.org/x/time v0.7.0 // indirect
+	golang.org/x/tools v0.26.0 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241202173237-19429a94021a // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -2,8 +2,8 @@ github.com/OmarTariq612/goech v0.0.0-20240405204721-8e2e1dafd3a0 h1:Wo41lDOevRJS
 github.com/OmarTariq612/goech v0.0.0-20240405204721-8e2e1dafd3a0/go.mod h1:FVGavL/QEBQDcBpr3fAojoK17xX5k9bicBphrOpP7uM=
 github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M=
 github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY=
-github.com/cloudflare/circl v1.4.0 h1:BV7h5MgrktNzytKmWjpOtdYrf0lkkbF8YMlBGPhJQrY=
-github.com/cloudflare/circl v1.4.0/go.mod h1:PDRU+oXvdD7KCtgKxW95M5Z8BpSCJXQORiZFnBQS5QU=
+github.com/cloudflare/circl v1.6.0 h1:cr5JKic4HI+LkINy2lg3W2jF8sHCVTBncJr5gIIq7qk=
+github.com/cloudflare/circl v1.6.0/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -12,18 +12,24 @@ github.com/dgryski/go-metro v0.0.0-20211217172704-adc40b04c140 h1:y7y0Oa6UawqTFP
 github.com/dgryski/go-metro v0.0.0-20211217172704-adc40b04c140/go.mod h1:c9O8+fpSOX1DM8cPNSkX/qsBWdkD4yd2dpciOWQjpBw=
 github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344 h1:Arcl6UOIS/kgO2nW3A65HN+7CMjSDP/gofXL4CZt1V4=
 github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344/go.mod h1:GIjDIg/heH5DOkXY3YJ/wNhfHsQHoXGjl8G8amsYQ1I=
-github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
-github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
+github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/go-task/slim-sprig/v3 v3.0.0 h1:sUs3vkvUymDpBKi3qH1YSqBQk9+9D/8M2mN1vB6EwHI=
 github.com/go-task/slim-sprig/v3 v3.0.0/go.mod h1:W848ghGpv3Qj3dhTPRyJypKRiqCdHZiAzKg9hl15HA8=
 github.com/golang/mock v1.7.0-rc.1 h1:YojYx61/OLFsiv6Rw1Z96LpldJIy31o+UHmwAUMJ6/U=
 github.com/golang/mock v1.7.0-rc.1/go.mod h1:s42URUywIqd+OcERslBJvOjepvNymP31m3q8d/GkuRs=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/btree v1.1.2 h1:xf4v41cLI2Z6FxbKm+8Bu+m8ifhj15JuZ9sa0jZCMUU=
 github.com/google/btree v1.1.2/go.mod h1:qOPhT0dTNdNzV6Z/lhRX0YXUafgPLFUh+gZMl761Gm4=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/pprof v0.0.0-20240528025155-186aa0362fba h1:ql1qNgCyOB7iAEk8JTNM+zJrgIbnyCKX/wdlyPufP5g=
 github.com/google/pprof v0.0.0-20240528025155-186aa0362fba/go.mod h1:K1liHPHnj73Fdn/EKuT8nrFqBihUSKXoLYU0BuatOYo=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/h12w/go-socks5 v0.0.0-20200522160539-76189e178364 h1:5XxdakFhqd9dnXoAZy1Mb2R/DZ6D1e+0bGC/JhucGYI=
@@ -32,8 +38,8 @@ github.com/klauspost/compress v1.17.8 h1:YcnTYrq7MikUT7k0Yb5eceMmALQPYBW/Xltxn0N
 github.com/klauspost/compress v1.17.8/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
 github.com/klauspost/cpuid/v2 v2.2.7 h1:ZWSB3igEs+d0qvnxR/ZBzXVmxkgt8DdzP6m9pfuVLDM=
 github.com/klauspost/cpuid/v2 v2.2.7/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
-github.com/miekg/dns v1.1.62 h1:cN8OuEF1/x5Rq6Np+h1epln8OiyPWV+lROx9LxcGgIQ=
-github.com/miekg/dns v1.1.62/go.mod h1:mvDlcItzm+br7MToIKqkglaGhlFMHJ9DTNNWONWXbNQ=
+github.com/miekg/dns v1.1.63 h1:8M5aAw6OMZfFXTT7K5V0Eu5YiiL8l7nUAkyN6C9YwaY=
+github.com/miekg/dns v1.1.63/go.mod h1:6NGHfjhpmr5lt3XPLuyfDJi5AXbNIPM9PY6H6sF1Nfs=
 github.com/onsi/ginkgo/v2 v2.19.0 h1:9Cnnf7UHo57Hy3k6/m5k3dRfGTMXGvxhHFvkDTCTpvA=
 github.com/onsi/ginkgo/v2 v2.19.0/go.mod h1:rlwLi9PilAFJ8jCg9UE1QP6VBpd6/xj3SRC0d6TU0To=
 github.com/onsi/gomega v1.33.1 h1:dsYjIxxSR755MDmKVsaFQTE22ChNBcuuTWgkUDSubOk=
@@ -46,8 +52,10 @@ github.com/pires/go-proxyproto v0.8.0 h1:5unRmEAPbHXHuLjDg01CxJWf91cw3lKHc/0xzKp
 github.com/pires/go-proxyproto v0.8.0/go.mod h1:iknsfgnH8EkjrMeMyvfKByp9TiBZCKZM0jx2xmKqnVY=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/quic-go/qpack v0.4.0 h1:Cr9BXA1sQS2SmDUWjSofMPNKmvF6IiIfDRmgU0w1ZCo=
-github.com/quic-go/qpack v0.4.0/go.mod h1:UZVnYIfi5GRk+zI9UMaCPsmZ2xKJP7XBUvVyT1Knj9A=
+github.com/quic-go/qpack v0.5.1 h1:giqksBPnT/HDtZ6VhtFKgoLOWmlyo9Ei6u9PqzIMbhI=
+github.com/quic-go/qpack v0.5.1/go.mod h1:+PC4XFrEskIVkcLzpEkbLqq1uCoxPhQuvK5rH1ZgaEg=
+github.com/quic-go/quic-go v0.49.0 h1:w5iJHXwHxs1QxyBv1EHKuC50GX5to8mJAxvtnttJp94=
+github.com/quic-go/quic-go v0.49.0/go.mod h1:s2wDnmCdooUQBmQfpUSTCYBl1/D4FcqbULMMkASvR6s=
 github.com/refraction-networking/utls v1.6.7 h1:zVJ7sP1dJx/WtVuITug3qYUq034cDq9B2MR1K67ULZM=
 github.com/refraction-networking/utls v1.6.7/go.mod h1:BC3O4vQzye5hqpmDTWUqi4P5DDhzJfkV1tdqtawQIH0=
 github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 h1:f/FNXud6gA3MNr8meMVVGxhp+QBTqY91tM8HjEuMjGg=
@@ -68,33 +76,41 @@ github.com/vishvananda/netlink v1.3.0 h1:X7l42GfcV4S6E4vHTsw48qbrV+9PVojNfIhZcwQ
 github.com/vishvananda/netlink v1.3.0/go.mod h1:i6NetklAujEcC6fK0JPjT8qSwWyO0HLn4UKG+hGqeJs=
 github.com/vishvananda/netns v0.0.4 h1:Oeaw1EM2JMxD51g9uhtC0D7erkIjgmj8+JZc26m1YX8=
 github.com/vishvananda/netns v0.0.4/go.mod h1:SpkAiCQRtJ6TvvxPnOSyH3BMl6unz3xZlaprSwhNNJM=
-github.com/xtls/quic-go v0.46.2 h1:bzUnZIQIH8SyqYGR6fAXzEvZauA+32J/2w2AtnEFa1o=
-github.com/xtls/quic-go v0.46.2/go.mod h1:1dLehS7TIR64+vxGR70GDcatWTOtMX2PUtnKsjbTurI=
 github.com/xtls/reality v0.0.0-20240712055506-48f0b2d5ed6d h1:+B97uD9uHLgAAulhigmys4BVwZZypzK7gPN3WtpgRJg=
 github.com/xtls/reality v0.0.0-20240712055506-48f0b2d5ed6d/go.mod h1:dm4y/1QwzjGaK17ofi0Vs6NpKAHegZky8qk6J2JJZAE=
 github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-go.uber.org/mock v0.4.0 h1:VcM4ZOtdbR4f6VXfiOpwpVJDL6lCReaZ6mw31wqh7KU=
-go.uber.org/mock v0.4.0/go.mod h1:a6FSlNadKUHUa9IP5Vyt1zh4fC7uAwxMutEAscFbkZc=
+go.opentelemetry.io/otel v1.32.0 h1:WnBN+Xjcteh0zdk01SVqV55d/m62NJLJdIyb4y/WO5U=
+go.opentelemetry.io/otel v1.32.0/go.mod h1:00DCVSB0RQcnzlwyTfqtxSm+DRr9hpYrHjNGiBHVQIg=
+go.opentelemetry.io/otel/metric v1.32.0 h1:xV2umtmNcThh2/a/aCP+h64Xx5wsj8qqnkYZktzNa0M=
+go.opentelemetry.io/otel/metric v1.32.0/go.mod h1:jH7CIbbK6SH2V2wE16W05BHCtIDzauciCRLoc/SyMv8=
+go.opentelemetry.io/otel/sdk v1.32.0 h1:RNxepc9vK59A8XsgZQouW8ue8Gkb4jpWtJm9ge5lEG4=
+go.opentelemetry.io/otel/sdk v1.32.0/go.mod h1:LqgegDBjKMmb2GC6/PrTnteJG39I8/vJCAP9LlJXEjU=
+go.opentelemetry.io/otel/sdk/metric v1.32.0 h1:rZvFnvmvawYb0alrYkjraqJq0Z4ZUJAiyYCU9snn1CU=
+go.opentelemetry.io/otel/sdk/metric v1.32.0/go.mod h1:PWeZlq0zt9YkYAp3gjKZ0eicRYvOh1Gd+X99x6GHpCQ=
+go.opentelemetry.io/otel/trace v1.32.0 h1:WIC9mYrXf8TmY/EXuULKc8hR17vE+Hjv2cssQDe03fM=
+go.opentelemetry.io/otel/trace v1.32.0/go.mod h1:+i4rkvCraA+tG6AzwloGaCtkx53Fa+L+V8e9a7YvhT8=
+go.uber.org/mock v0.5.0 h1:KAMbZvZPyBPWgD14IrIQ38QCyjwpvVVV6K/bHl1IwQU=
+go.uber.org/mock v0.5.0/go.mod h1:ge71pBPLYDk7QIi1LupWxdAykm7KIEFchiOqd6z7qMM=
 go4.org/netipx v0.0.0-20231129151722-fdeea329fbba h1:0b9z3AuHCjxk0x/opv64kcgZLBseWJUpBw5I82+2U4M=
 go4.org/netipx v0.0.0-20231129151722-fdeea329fbba/go.mod h1:PLyyIXexvUFg3Owu6p/WfdlivPbZJsZdgWZlrGope/Y=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.31.0 h1:ihbySMvVjLAeSH1IbfcRTkD/iNscyz8rGzjF/E5hV6U=
-golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
+golang.org/x/crypto v0.33.0 h1:IOBPskki6Lysi0lo9qQvbxiQ+FvsCC/YWOecCHAixus=
+golang.org/x/crypto v0.33.0/go.mod h1:bVdXmD7IV/4GdElGPozy6U7lWdRXA4qyRVGJV57uQ5M=
 golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc h1:O9NuF4s+E/PvMIy+9IUZB9znFwUIXEWSstNjek6VpVg=
 golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc/go.mod h1:XtvwrStGgqGPLc4cjQfWqZHG1YFdYs6swckp8vpsjnc=
 golang.org/x/mod v0.5.1/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
-golang.org/x/mod v0.18.0 h1:5+9lSbEzPSdWkH32vYPBwEpX8KwDbM52Ud9xBUvNlb0=
-golang.org/x/mod v0.18.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/mod v0.21.0 h1:vvrHzRwRfVKSiLrG+d4FMl/Qi4ukBCE6kZlTUkDYRT0=
+golang.org/x/mod v0.21.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.32.0 h1:ZqPmj8Kzc+Y6e0+skZsuACbx+wzMgo5MQsJh9Qd6aYI=
-golang.org/x/net v0.32.0/go.mod h1:CwU0IoeOlnQQWJ6ioyFrfRuomB8GKF6KbYXZVyeXNfs=
+golang.org/x/net v0.35.0 h1:T5GQRQb2y08kTAByq9L4/bz8cipCdA8FbRTXewonqY8=
+golang.org/x/net v0.35.0/go.mod h1:EglIi67kWsHKlRzzVMUD93VMSWGFOMSZgxFjparz1Qk=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
-golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.11.0 h1:GGz8+XQP4FvTTrjZPzNKTMFtSXH80RAzG+5ghFPgK9w=
+golang.org/x/sync v0.11.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -103,21 +119,21 @@ golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
-golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
+golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
-golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
-golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
-golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
+golang.org/x/text v0.22.0 h1:bofq7m3/HAFvbF51jz3Q9wLg3jkvSPuiZu/pD1XwgtM=
+golang.org/x/text v0.22.0/go.mod h1:YRoo4H8PVmsu+E3Ou7cqLVH8oXWIHVoX0jqUWALQhfY=
+golang.org/x/time v0.7.0 h1:ntUhktv3OPE6TgYxXWv9vKvUSJyIFJlyohwbkEwPrKQ=
+golang.org/x/time v0.7.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.8/go.mod h1:nABZi5QlRsZVlzPpHl034qft6wpY4eDcsTt5AaioBiU=
-golang.org/x/tools v0.22.0 h1:gqSGLZqv+AI9lIQzniJ0nZDRG5GBPsSi+DRNHWNz6yA=
-golang.org/x/tools v0.22.0/go.mod h1:aCwcsjqvq7Yqt6TNyX7QMU2enbQ/Gt0bo6krSeEri+c=
+golang.org/x/tools v0.26.0 h1:v/60pFQmzmT9ExmjDv2gGIfi3OqfKoEP6I5+umXlbnQ=
+golang.org/x/tools v0.26.0/go.mod h1:TPVVj70c7JJ3WCazhD8OdXcZg/og+b9+tH/KxylGwH0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -125,12 +141,12 @@ golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 h1:B82qJJgjvYKsXS9jeu
 golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI=
 golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173 h1:/jFs0duh4rdb8uIfPMv78iAJGcPKDeqAFnaLBropIC4=
 golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173/go.mod h1:tkCQ4FQXmpAgYVh++1cq16/dH4QJtmvpRv19DWGAHSA=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 h1:e7S5W7MGGLaSu8j3YjdezkZ+m1/Nm0uRVRMEMGk26Xs=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
-google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E=
-google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
-google.golang.org/protobuf v1.36.0 h1:mjIs9gYtt56AzC4ZaffQuh88TZurBGhIJMBZGSxNerQ=
-google.golang.org/protobuf v1.36.0/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241202173237-19429a94021a h1:hgh8P4EuoxpsuKMXX/To36nOFD7vixReXgn8lPGnt+o=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241202173237-19429a94021a/go.mod h1:5uTbfoYQed2U9p3KIj2/Zzm02PYhndfdmML0qC3q3FU=
+google.golang.org/grpc v1.70.0 h1:pWFv03aZoHzlRKHWicjsZytKAiYCtNS0dHbXnIdq7jQ=
+google.golang.org/grpc v1.70.0/go.mod h1:ofIJqVKDXx/JiXrwr2IG4/zwdH9txy3IlF40RmcJSQw=
+google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
+google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -140,8 +156,8 @@ gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C
 gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gvisor.dev/gvisor v0.0.0-20231202080848-1f7806d17489 h1:ze1vwAdliUAr68RQ5NtufWaXaOg8WUO2OACzEV+TNdE=
-gvisor.dev/gvisor v0.0.0-20231202080848-1f7806d17489/go.mod h1:10sU+Uh5KKNv1+2x2A0Gvzt8FjD3ASIhorV3YsauXhk=
+gvisor.dev/gvisor v0.0.0-20240320123526-dc6abceb7ff0 h1:P+U/06iIKPQ3DLcg+zBfSCia1luZ2msPZrJ8jYDFPs0=
+gvisor.dev/gvisor v0.0.0-20240320123526-dc6abceb7ff0/go.mod h1:NQHVAzMwvZ+Qe3ElSiHmq9RUm1MdNHpUZ52fiEqvn+0=
 h12.io/socks v1.0.3 h1:Ka3qaQewws4j4/eDQnOdpr4wXsC//dXtWvftlIcCQUo=
 h12.io/socks v1.0.3/go.mod h1:AIhxy1jOId/XCz9BO+EIgNL2rQiPTBNnOfnVnQ+3Eck=
 lukechampine.com/blake3 v1.3.0 h1:sJ3XhFINmHSrYCgl958hscfIa3bw8x4DqMP3u1YvoYE=

infra/conf/common.go

@@ -2,6 +2,7 @@ package conf
 
 import (
 	"encoding/json"
+	"fmt"
 	"strconv"
 	"strings"
 
@@ -202,6 +203,24 @@ func (list *PortList) Build() *net.PortList {
 	return portList
 }
 
+func (v PortList) MarshalJSON() ([]byte, error) {
+	return json.Marshal(v.String())
+}
+
+func (v PortList) String() string {
+	ports := []string{}
+	for _, port := range v.Range {
+		if port.From == port.To {
+			p := strconv.Itoa(int(port.From))
+			ports = append(ports, p)
+		} else {
+			p := fmt.Sprintf("%d-%d", port.From, port.To)
+			ports = append(ports, p)
+		}
+	}
+	return strings.Join(ports, ",")
+}
+
 // UnmarshalJSON implements encoding/json.Unmarshaler.UnmarshalJSON
 func (list *PortList) UnmarshalJSON(data []byte) error {
 	var listStr string
@@ -258,6 +277,18 @@ type Int32Range struct {
 	To    int32
 }
 
+func (v Int32Range) MarshalJSON() ([]byte, error) {
+	return json.Marshal(v.String())
+}
+
+func (v Int32Range) String() string {
+	if v.Left == v.Right {
+		return strconv.Itoa(int(v.Left))
+	} else {
+		return fmt.Sprintf("%d-%d", v.Left, v.Right)
+	}
+}
+
 func (v *Int32Range) UnmarshalJSON(data []byte) error {
 	defer v.ensureOrder()
 	var str string

infra/conf/dns.go

@@ -12,13 +12,13 @@ import (
 )
 
 type NameServerConfig struct {
-	Address       *Address
-	ClientIP      *Address
-	Port          uint16
-	SkipFallback  bool
-	Domains       []string
-	ExpectIPs     StringList
-	QueryStrategy string
+	Address       *Address   `json:"address"`
+	ClientIP      *Address   `json:"clientIp"`
+	Port          uint16     `json:"port"`
+	SkipFallback  bool       `json:"skipFallback"`
+	Domains       []string   `json:"domains"`
+	ExpectIPs     StringList `json:"expectIps"`
+	QueryStrategy string     `json:"queryStrategy"`
 }
 
 func (c *NameServerConfig) UnmarshalJSON(data []byte) error {

infra/conf/freedom.go

@@ -2,6 +2,7 @@ package conf
 
 import (
 	"encoding/base64"
+	"encoding/hex"
 	"net"
 	"strings"
 
@@ -152,8 +153,9 @@ func (c *FreedomConfig) Build() (proto.Message, error) {
 func ParseNoise(noise *Noise) (*freedom.Noise, error) {
 	var err error
 	NConfig := new(freedom.Noise)
+	noise.Packet = strings.TrimSpace(noise.Packet)
 
-	switch strings.ToLower(noise.Type) {
+	switch noise.Type {
 	case "rand":
 		min, max, err := ParseRangeString(noise.Packet)
 		if err != nil {
@@ -161,42 +163,35 @@ func ParseNoise(noise *Noise) (*freedom.Noise, error) {
 		}
 		NConfig.LengthMin = uint64(min)
 		NConfig.LengthMax = uint64(max)
-		if NConfig.LengthMin > NConfig.LengthMax {
-			NConfig.LengthMin, NConfig.LengthMax = NConfig.LengthMax, NConfig.LengthMin
-		}
 		if NConfig.LengthMin == 0 {
 			return nil, errors.New("rand lengthMin or lengthMax cannot be 0")
 		}
 
 	case "str":
-		//user input string
-		NConfig.StrNoise = []byte(strings.TrimSpace(noise.Packet))
+		// user input string
+		NConfig.Packet = []byte(noise.Packet)
+
+	case "hex":
+		// user input hex
+		NConfig.Packet, err = hex.DecodeString(noise.Packet)
+		if err != nil {
+			return nil, errors.New("Invalid hex string").Base(err)
+		}
 
 	case "base64":
-		//user input base64
-		NConfig.StrNoise, err = base64.StdEncoding.DecodeString(strings.TrimSpace(noise.Packet))
+		// user input base64
+		NConfig.Packet, err = base64.RawURLEncoding.DecodeString(strings.NewReplacer("+", "-", "/", "_", "=", "").Replace(noise.Packet))
 		if err != nil {
-			return nil, errors.New("Invalid base64 string")
+			return nil, errors.New("Invalid base64 string").Base(err)
 		}
 
 	default:
-		return nil, errors.New("Invalid packet,only rand,str,base64 are supported")
+		return nil, errors.New("Invalid packet, only rand/str/hex/base64 are supported")
 	}
 
 	if noise.Delay != nil {
-		if noise.Delay.From != 0 && noise.Delay.To != 0 {
-			NConfig.DelayMin = uint64(noise.Delay.From)
-			NConfig.DelayMax = uint64(noise.Delay.To)
-			if NConfig.DelayMin > NConfig.LengthMax {
-				NConfig.DelayMin, NConfig.DelayMax = NConfig.LengthMax, NConfig.DelayMin
-			}
-		} else {
-			return nil, errors.New("DelayMin or DelayMax cannot be zero")
-		}
-
-	} else {
-		NConfig.DelayMin = 0
-		NConfig.DelayMax = 0
+		NConfig.DelayMin = uint64(noise.Delay.From)
+		NConfig.DelayMax = uint64(noise.Delay.To)
 	}
 	return NConfig, nil
 }

infra/conf/metrics.go

@@ -6,15 +6,21 @@ import (
 )
 
 type MetricsConfig struct {
-	Tag string `json:"tag"`
+	Tag    string `json:"tag"`
+	Listen string `json:"listen"`
 }
 
 func (c *MetricsConfig) Build() (*metrics.Config, error) {
+	if c.Listen == "" && c.Tag == "" {
+		return nil, errors.New("Metrics must have a tag or listen address.")
+	}
+	// If the tag is empty but have "listen" set a default "Metrics" for compatibility.
 	if c.Tag == "" {
-		return nil, errors.New("metrics tag can't be empty.")
+		c.Tag = "Metrics"
 	}
 
 	return &metrics.Config{
-		Tag: c.Tag,
+		Tag:    c.Tag,
+		Listen: c.Listen,
 	}, nil
 }

infra/conf/transport_internet.go

@@ -231,6 +231,7 @@ type SplitHTTPConfig struct {
 	ScMaxEachPostBytes   Int32Range        `json:"scMaxEachPostBytes"`
 	ScMinPostsIntervalMs Int32Range        `json:"scMinPostsIntervalMs"`
 	ScMaxBufferedPosts   int64             `json:"scMaxBufferedPosts"`
+	ScStreamUpServerSecs Int32Range        `json:"scStreamUpServerSecs"`
 	Xmux                 XmuxConfig        `json:"xmux"`
 	DownloadSettings     *StreamConfig     `json:"downloadSettings"`
 	Extra                json.RawMessage   `json:"extra"`
@@ -240,8 +241,8 @@ type XmuxConfig struct {
 	MaxConcurrency   Int32Range `json:"maxConcurrency"`
 	MaxConnections   Int32Range `json:"maxConnections"`
 	CMaxReuseTimes   Int32Range `json:"cMaxReuseTimes"`
-	CMaxLifetimeMs   Int32Range `json:"cMaxLifetimeMs"`
 	HMaxRequestTimes Int32Range `json:"hMaxRequestTimes"`
+	HMaxReusableSecs Int32Range `json:"hMaxReusableSecs"`
 	HKeepAlivePeriod int64      `json:"hKeepAlivePeriod"`
 }
 
@@ -262,7 +263,6 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 		extra.Host = c.Host
 		extra.Path = c.Path
 		extra.Mode = c.Mode
-		extra.Extra = c.Extra
 		c = &extra
 	}
 
@@ -281,16 +281,20 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 		}
 	}
 
+	if c.XPaddingBytes != (Int32Range{}) && (c.XPaddingBytes.From <= 0 || c.XPaddingBytes.To <= 0) {
+		return nil, errors.New("xPaddingBytes cannot be disabled")
+	}
+
 	if c.Xmux.MaxConnections.To > 0 && c.Xmux.MaxConcurrency.To > 0 {
 		return nil, errors.New("maxConnections cannot be specified together with maxConcurrency")
 	}
 	if c.Xmux == (XmuxConfig{}) {
 		c.Xmux.MaxConcurrency.From = 16
 		c.Xmux.MaxConcurrency.To = 32
-		c.Xmux.CMaxReuseTimes.From = 64
-		c.Xmux.CMaxReuseTimes.To = 128
-		c.Xmux.HMaxRequestTimes.From = 800
+		c.Xmux.HMaxRequestTimes.From = 600
 		c.Xmux.HMaxRequestTimes.To = 900
+		c.Xmux.HMaxReusableSecs.From = 1800
+		c.Xmux.HMaxReusableSecs.To = 3000
 	}
 
 	config := &splithttp.Config{
@@ -304,12 +308,13 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 		ScMaxEachPostBytes:   newRangeConfig(c.ScMaxEachPostBytes),
 		ScMinPostsIntervalMs: newRangeConfig(c.ScMinPostsIntervalMs),
 		ScMaxBufferedPosts:   c.ScMaxBufferedPosts,
+		ScStreamUpServerSecs: newRangeConfig(c.ScStreamUpServerSecs),
 		Xmux: &splithttp.XmuxConfig{
 			MaxConcurrency:   newRangeConfig(c.Xmux.MaxConcurrency),
 			MaxConnections:   newRangeConfig(c.Xmux.MaxConnections),
 			CMaxReuseTimes:   newRangeConfig(c.Xmux.CMaxReuseTimes),
-			CMaxLifetimeMs:   newRangeConfig(c.Xmux.CMaxLifetimeMs),
 			HMaxRequestTimes: newRangeConfig(c.Xmux.HMaxRequestTimes),
+			HMaxReusableSecs: newRangeConfig(c.Xmux.HMaxReusableSecs),
 			HKeepAlivePeriod: c.Xmux.HKeepAlivePeriod,
 		},
 	}
@@ -318,9 +323,6 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 		if c.Mode == "stream-one" {
 			return nil, errors.New(`Can not use "downloadSettings" in "stream-one" mode.`)
 		}
-		if c.Extra != nil {
-			c.DownloadSettings.SocketSettings = nil
-		}
 		var err error
 		if config.DownloadSettings, err = c.DownloadSettings.Build(); err != nil {
 			return nil, errors.New(`Failed to build "downloadSettings".`).Base(err)
@@ -408,6 +410,8 @@ type TLSConfig struct {
 	PinnedPeerCertificatePublicKeySha256 *[]string        `json:"pinnedPeerCertificatePublicKeySha256"`
 	CurvePreferences                     *StringList      `json:"curvePreferences"`
 	MasterKeyLog                         string           `json:"masterKeyLog"`
+	ServerNameToVerify                   string           `json:"serverNameToVerify"`
+	VerifyPeerCertInNames                []string         `json:"verifyPeerCertInNames"`
 }
 
 // Build implements Buildable.
@@ -429,6 +433,13 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 	if c.ALPN != nil && len(*c.ALPN) > 0 {
 		config.NextProtocol = []string(*c.ALPN)
 	}
+	if len(config.NextProtocol) > 1 {
+		for _, p := range config.NextProtocol {
+			if tcp.IsFromMitm(p) {
+				return nil, errors.New(`only one element is allowed in "alpn" when using "fromMitm" in it`)
+			}
+		}
+	}
 	if c.CurvePreferences != nil && len(*c.CurvePreferences) > 0 {
 		config.CurvePreferences = []string(*c.CurvePreferences)
 	}
@@ -439,7 +450,7 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 	config.CipherSuites = c.CipherSuites
 	config.Fingerprint = strings.ToLower(c.Fingerprint)
 	if config.Fingerprint != "unsafe" && tls.GetFingerprint(config.Fingerprint) == nil {
-		return nil, errors.New(`unknown fingerprint: `, config.Fingerprint)
+		return nil, errors.New(`unknown "fingerprint": `, config.Fingerprint)
 	}
 	config.RejectUnknownSni = c.RejectUnknownSNI
 
@@ -467,6 +478,11 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 
 	config.MasterKeyLog = c.MasterKeyLog
 
+	if c.ServerNameToVerify != "" {
+		return nil, errors.PrintRemovedFeatureError(`"serverNameToVerify"`, `"verifyPeerCertInNames"`)
+	}
+	config.VerifyPeerCertInNames = c.VerifyPeerCertInNames
+
 	return config, nil
 }
 
@@ -689,7 +705,7 @@ type SocketConfig struct {
 	TCPCongestion        string                 `json:"tcpCongestion"`
 	TCPWindowClamp       int32                  `json:"tcpWindowClamp"`
 	TCPMaxSeg            int32                  `json:"tcpMaxSeg"`
-	TcpNoDelay           bool                   `json:"tcpNoDelay"`
+	Penetrate            bool                   `json:"penetrate"`
 	TCPUserTimeout       int32                  `json:"tcpUserTimeout"`
 	V6only               bool                   `json:"v6only"`
 	Interface            string                 `json:"interface"`
@@ -776,7 +792,7 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
 		TcpCongestion:        c.TCPCongestion,
 		TcpWindowClamp:       c.TCPWindowClamp,
 		TcpMaxSeg:            c.TCPMaxSeg,
-		TcpNoDelay:           c.TcpNoDelay,
+		Penetrate:            c.Penetrate,
 		TcpUserTimeout:       c.TCPUserTimeout,
 		V6Only:               c.V6only,
 		Interface:            c.Interface,

infra/conf/xray.go

@@ -24,6 +24,7 @@ var (
 		"dokodemo-door": func() interface{} { return new(DokodemoConfig) },
 		"http":          func() interface{} { return new(HTTPServerConfig) },
 		"shadowsocks":   func() interface{} { return new(ShadowsocksServerConfig) },
+		"mixed":         func() interface{} { return new(SocksServerConfig) },
 		"socks":         func() interface{} { return new(SocksServerConfig) },
 		"vless":         func() interface{} { return new(VLessInboundConfig) },
 		"vmess":         func() interface{} { return new(VMessInboundConfig) },

infra/vformat/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"errors"
 	"flag"
 	"fmt"
 	"go/build"
@@ -18,7 +19,7 @@ var directory = flag.String("pwd", "", "Working directory of Xray vformat.")
 func envFile() (string, error) {
 	if file := os.Getenv("GOENV"); file != "" {
 		if file == "off" {
-			return "", fmt.Errorf("GOENV=off")
+			return "", errors.New("GOENV=off")
 		}
 		return file, nil
 	}
@@ -27,7 +28,7 @@ func envFile() (string, error) {
 		return "", err
 	}
 	if dir == "" {
-		return "", fmt.Errorf("missing user-config dir")
+		return "", errors.New("missing user-config dir")
 	}
 	return filepath.Join(dir, "go", "env"), nil
 }
@@ -40,7 +41,7 @@ func GetRuntimeEnv(key string) (string, error) {
 		return "", err
 	}
 	if file == "" {
-		return "", fmt.Errorf("missing runtime env file")
+		return "", errors.New("missing runtime env file")
 	}
 	var data []byte
 	var runtimeEnv string

infra/vprotogen/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"errors"
 	"flag"
 	"fmt"
 	"go/build"
@@ -22,7 +23,7 @@ var directory = flag.String("pwd", "", "Working directory of Xray vprotogen.")
 func envFile() (string, error) {
 	if file := os.Getenv("GOENV"); file != "" {
 		if file == "off" {
-			return "", fmt.Errorf("GOENV=off")
+			return "", errors.New("GOENV=off")
 		}
 		return file, nil
 	}
@@ -31,7 +32,7 @@ func envFile() (string, error) {
 		return "", err
 	}
 	if dir == "" {
-		return "", fmt.Errorf("missing user-config dir")
+		return "", errors.New("missing user-config dir")
 	}
 	return filepath.Join(dir, "go", "env"), nil
 }
@@ -44,7 +45,7 @@ func GetRuntimeEnv(key string) (string, error) {
 		return "", err
 	}
 	if file == "" {
-		return "", fmt.Errorf("missing runtime env file")
+		return "", errors.New("missing runtime env file")
 	}
 	var data []byte
 	var runtimeEnv string
@@ -101,12 +102,12 @@ Download %s v%s or later from https://github.com/protocolbuffers/protobuf/releas
 func getProjectProtocVersion(url string) (string, error) {
 	resp, err := http.Get(url)
 	if err != nil {
-		return "", fmt.Errorf("can not get the version of protobuf used in xray project")
+		return "", errors.New("can not get the version of protobuf used in xray project")
 	}
 	defer resp.Body.Close()
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
-		return "", fmt.Errorf("can not read from body")
+		return "", errors.New("can not read from body")
 	}
 	versionRegexp := regexp.MustCompile(`\/\/\s*protoc\s*v\d+\.(\d+\.\d+)`)
 	matched := versionRegexp.FindStringSubmatch(string(body))

main/commands/all/api/api.go

@@ -27,5 +27,6 @@ var CmdAPI = &base.Command{
 		cmdRemoveRules,
 		cmdSourceIpBlock,
 		cmdOnlineStats,
+		cmdOnlineStatsIpList,
 	},
 }

main/commands/all/api/balancer_info.go

@@ -13,25 +13,20 @@ import (
 var cmdBalancerInfo = &base.Command{
 	CustomFlags: true,
 	UsageLine:   "{{.Exec}} api bi [--server=127.0.0.1:8080] [balancer]...",
-	Short:       "balancer information",
+	Short:       "Retrieve balancer information",
 	Long: `
-Get information of specified balancers, including health, strategy 
-and selecting. If no balancer tag specified, get information of 
-all balancers.
+Retrieve information of specified balancers, including health, strategy and selecting.
+If no balancer tag specified, information for all balancers is returned.
 
-> Make sure you have "RoutingService" set in "config.api.services" 
-of server config.
+> Ensure that "RoutingService" is enabled under "config.api.services" in the server configuration.
 
 Arguments:
 
-	-json
-		Use json output.
-
 	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
 
 	-t, -timeout <seconds>
-		Timeout seconds to call API. Default 3
+		Timeout in seconds for calling API. Default 3
 
 Example:
 

main/commands/all/api/balancer_override.go

@@ -7,31 +7,27 @@ import (
 
 var cmdBalancerOverride = &base.Command{
 	CustomFlags: true,
-	UsageLine:   "{{.Exec}} api bo [--server=127.0.0.1:8080] <-b balancer> outboundTag",
-	Short:       "balancer override",
+	UsageLine:   "{{.Exec}} api bo [--server=127.0.0.1:8080] <-b balancer> outboundTag <-r>",
+	Short:       "Override balancer",
 	Long: `
-Override a balancer's selection.
+Override the selection target of a balancer.
 
-> Make sure you have "RoutingService" set in "config.api.services" 
-of server config.
+> Ensure that the "RoutingService" is properly configured under "config.api.services" in the server configuration.
 
-Once a balancer's selecting is overridden:
+Once the balancer's selection is overridden:
 
 - The balancer's selection result will always be outboundTag
 
 Arguments:
 
-	-r, -remove
-		Remove the overridden
-
-	-r, -remove
-		Remove the override
-
-	-s, -server 
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
 
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
+	-r, -remove
+		Remove the existing override.
 
 Example:
 

main/commands/all/api/inbound_user.go

@@ -8,20 +8,28 @@ import (
 var cmdInboundUser = &base.Command{
 	CustomFlags: true,
 	UsageLine:   "{{.Exec}} api inbounduser [--server=127.0.0.1:8080] -tag=tag [-email=email]",
-	Short:       "Get Inbound User",
+	Short:       "Retrieve inbound user(s)",
 	Long: `
 Get User info from an inbound.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
 	-tag
 	    Inbound tag
-    -email
-		User email. If email is not given, will get all users
+
+	-email
+		The user's email address. If not provided, all users will be retrieved.
+
 Example:
-    {{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -tag="tag name" -email="xray@love.com"
+
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -tag="tag name"
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -tag="tag name" -email="xray@love.com"
 `,
 	Run: executeInboundUser,
 }

main/commands/all/api/inbound_user_count.go

@@ -8,18 +8,24 @@ import (
 var cmdInboundUserCount = &base.Command{
 	CustomFlags: true,
 	UsageLine:   "{{.Exec}} api inboundusercount [--server=127.0.0.1:8080] -tag=tag",
-	Short:       "Get Inbound User Count",
+	Short:       "Retrieve inbound user count",
 	Long: `
-Get User count from an inbound.
+Retrieve the user count for a specified inbound tag.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
 	-tag
-	    Inbound tag
+		Inbound tag
+
 Example:
-    {{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -tag="tag name"
+
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -tag="tag name"
 `,
 	Run: executeInboundUserCount,
 }

main/commands/all/api/inbounds_add.go

@@ -15,13 +15,18 @@ var cmdAddInbounds = &base.Command{
 	Short:       "Add inbounds",
 	Long: `
 Add inbounds to Xray.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
 Example:
-    {{.Exec}} {{.LongName}} --server=127.0.0.1:8080 c1.json c2.json
+
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 c1.json c2.json
 `,
 	Run: executeAddInbounds,
 }

main/commands/all/api/inbounds_remove.go

@@ -14,13 +14,18 @@ var cmdRemoveInbounds = &base.Command{
 	Short:       "Remove inbounds",
 	Long: `
 Remove inbounds from Xray.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
 Example:
-    {{.Exec}} {{.LongName}} --server=127.0.0.1:8080 c1.json "tag name"
+
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 c1.json "tag name"
 `,
 	Run: executeRemoveInbounds,
 }

main/commands/all/api/logger_restart.go

@@ -11,11 +11,18 @@ var cmdRestartLogger = &base.Command{
 	Short:       "Restart the logger",
 	Long: `
 Restart the logger of Xray.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
+Example:
+
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080
 `,
 	Run: executeRestartLogger,
 }

main/commands/all/api/outbounds_add.go

@@ -15,13 +15,18 @@ var cmdAddOutbounds = &base.Command{
 	Short:       "Add outbounds",
 	Long: `
 Add outbounds to Xray.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
 Example:
-    {{.Exec}} {{.LongName}} --server=127.0.0.1:8080 c1.json c2.json
+
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 c1.json c2.json
 `,
 	Run: executeAddOutbounds,
 }

main/commands/all/api/outbounds_remove.go

@@ -14,13 +14,18 @@ var cmdRemoveOutbounds = &base.Command{
 	Short:       "Remove outbounds",
 	Long: `
 Remove outbounds from Xray.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
 Example:
-    {{.Exec}} {{.LongName}} --server=127.0.0.1:8080 c1.json "tag name"
+
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 c1.json "tag name"
 `,
 	Run: executeRemoveOutbounds,
 }

main/commands/all/api/rules_add.go

@@ -16,16 +16,21 @@ var cmdAddRules = &base.Command{
 	Short:       "Add routing rules",
 	Long: `
 Add routing rules to Xray.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
+
+	-t, -timeout <seconds>
 		Timeout seconds to call API. Default 3
+
 	-append
-		append or replace config. Default false
+		Append to the existing configuration instead of replacing it. Default false
 
 Example:
-    {{.Exec}} {{.LongName}} --server=127.0.0.1:8080 c1.json c2.json
+
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 c1.json c2.json
 `,
 	Run: executeAddRules,
 }

main/commands/all/api/rules_remove.go

@@ -9,17 +9,22 @@ import (
 
 var cmdRemoveRules = &base.Command{
 	CustomFlags: true,
-	UsageLine:   "{{.Exec}} api rmrules [--server=127.0.0.1:8080] ruleTag1 ruleTag2...",
+	UsageLine:   "{{.Exec}} api rmrules [--server=127.0.0.1:8080] [ruleTag]...",
 	Short:       "Remove routing rules by ruleTag",
 	Long: `
 Remove routing rules by ruleTag from Xray.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
 Example:
-    {{.Exec}} {{.LongName}} --server=127.0.0.1:8080 ruleTag1 ruleTag2
+
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 ruleTag1 ruleTag2
 `,
 	Run: executeRemoveRules,
 }

main/commands/all/api/shared.go

@@ -3,6 +3,7 @@ package api
 import (
 	"bytes"
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -101,7 +102,7 @@ func fetchHTTPContent(target string) ([]byte, error) {
 
 	content, err := buf.ReadAllToBytes(resp.Body)
 	if err != nil {
-		return nil, fmt.Errorf("failed to read HTTP response")
+		return nil, errors.New("failed to read HTTP response")
 	}
 
 	return content, nil

main/commands/all/api/source_ip_block.go

@@ -14,25 +14,34 @@ import (
 var cmdSourceIpBlock = &base.Command{
 	CustomFlags: true,
 	UsageLine:   "{{.Exec}} api sib [--server=127.0.0.1:8080] -outbound=blocked -inbound=socks 1.2.3.4",
-	Short:       "Drop connections by source ip",
+	Short:       "Block connections by source IP",
 	Long: `
-Drop connections by source ip.
+Block connections by source IP address.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
 	-outbound
-		route traffic to specific outbound.
+		Specifies the outbound tag.
+
 	-inbound
-		target traffig from specific inbound.
+		Specifies the inbound tag.
+
 	-ruletag
-		set ruleTag. Default sourceIpBlock
+		The ruleTag. Default sourceIpBlock
+
 	-reset
 		remove ruletag and apply new source IPs. Default false
 
-	Example:
-    {{.Exec}} {{.LongName}} --server=127.0.0.1:8080 c1.json c2.json
+Example:
+
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -outbound=blocked -inbound=socks 1.2.3.4
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -outbound=blocked -inbound=socks 1.2.3.4 -reset
 `,
 	Run: executeSourceIpBlock,
 }

main/commands/all/api/stats_get.go

@@ -8,19 +8,26 @@ import (
 var cmdGetStats = &base.Command{
 	CustomFlags: true,
 	UsageLine:   "{{.Exec}} api stats [--server=127.0.0.1:8080] [-name '']",
-	Short:       "Get statistics",
+	Short:       "Retrieve statistics",
 	Long: `
-Get statistics from Xray.
+Retrieve the statistics from Xray.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
 	-name
-		Name of the stat counter.
+		Name of the counter.
+
 	-reset
-		Reset the counter to fetching its value.
+		Reset the counter after fetching their values. Default false
+
 Example:
+
 	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -name "inbound>>>statin>>>traffic>>>downlink"
 `,
 	Run: executeGetStats,

main/commands/all/api/stats_online.go

@@ -7,21 +7,25 @@ import (
 
 var cmdOnlineStats = &base.Command{
 	CustomFlags: true,
-	UsageLine:   "{{.Exec}} api statsonline [--server=127.0.0.1:8080] [-name '']",
-	Short:       "Get online user",
+	UsageLine:   "{{.Exec}} api statsonline [--server=127.0.0.1:8080] [-email '']",
+	Short:       "Retrieve the online session count for a user",
 	Long: `
-Get statistics from Xray.
+Retrieve the current number of active sessions for a user from Xray.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
 	-email
-		email of the user.
-	-reset
-		Reset the counter to fetching its value.
+		The user's email address.
+
 Example:
-	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -email "user1@test.com"
+
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -email "xray@love.com"
 `,
 	Run: executeOnlineStats,
 }

main/commands/all/api/stats_online_ip_list.go

@@ -0,0 +1,51 @@
+package api
+
+import (
+	statsService "github.com/xtls/xray-core/app/stats/command"
+	"github.com/xtls/xray-core/main/commands/base"
+)
+
+var cmdOnlineStatsIpList = &base.Command{
+	CustomFlags: true,
+	UsageLine:   "{{.Exec}} api statsonlineiplist [--server=127.0.0.1:8080] [-email '']",
+	Short:       "Retrieve a user's online IP addresses and access times",
+	Long: `
+Retrieve the online IP addresses and corresponding access timestamps for a user from Xray.
+
+Arguments:
+
+	-s, -server <server:port>
+		The API server address. Default 127.0.0.1:8080
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
+	-email
+		The user's email address.
+
+Example:
+
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -email "xray@love.com"
+`,
+	Run: executeOnlineStatsIpList,
+}
+
+func executeOnlineStatsIpList(cmd *base.Command, args []string) {
+	setSharedFlags(cmd)
+	email := cmd.Flag.String("email", "", "")
+	cmd.Flag.Parse(args)
+	statName := "user>>>" + *email + ">>>online"
+	conn, ctx, close := dialAPIServer()
+	defer close()
+
+	client := statsService.NewStatsServiceClient(conn)
+	r := &statsService.GetStatsRequest{
+		Name:   statName,
+		Reset_: false,
+	}
+	resp, err := client.GetStatsOnlineIpList(ctx, r)
+	if err != nil {
+		base.Fatalf("failed to get stats: %s", err)
+	}
+	showJSONResponse(resp)
+}

main/commands/all/api/stats_query.go

@@ -11,16 +11,23 @@ var cmdQueryStats = &base.Command{
 	Short:       "Query statistics",
 	Long: `
 Query statistics from Xray.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
 	-pattern
-		Pattern of the query.
+		Filter pattern for the statistics query.
+
 	-reset
-		Reset the counter to fetching its value.
+		Reset the counter after fetching their values. Default false
+
 Example:
+
 	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080 -pattern "counter_"
 `,
 	Run: executeQueryStats,

main/commands/all/api/stats_sys.go

@@ -8,14 +8,21 @@ import (
 var cmdSysStats = &base.Command{
 	CustomFlags: true,
 	UsageLine:   "{{.Exec}} api statssys [--server=127.0.0.1:8080]",
-	Short:       "Get system statistics",
+	Short:       "Retrieve system statistics",
 	Long: `
-Get system statistics from Xray.
+Retrieve system statistics from Xray.
+
 Arguments:
-	-s, -server 
+
+	-s, -server <server:port>
 		The API server address. Default 127.0.0.1:8080
-	-t, -timeout
-		Timeout seconds to call API. Default 3
+
+	-t, -timeout <seconds>
+		Timeout in seconds for calling API. Default 3
+
+Example:
+
+	{{.Exec}} {{.LongName}} --server=127.0.0.1:8080
 `,
 	Run: executeSysStats,
 }

main/commands/all/curve25519.go

@@ -42,7 +42,8 @@ func Curve25519Genkey(StdEncoding bool, input_base64 string) {
 	// Modify random bytes using algorithm described at:
 	// https://cr.yp.to/ecdh.html.
 	privateKey[0] &= 248
-	privateKey[31] &= 127 | 64
+	privateKey[31] &= 127
+	privateKey[31] |= 64
 
 	if publicKey, err = curve25519.X25519(privateKey, curve25519.Basepoint); err != nil {
 		output = err.Error()

main/commands/all/tls/cert.go

@@ -120,9 +120,9 @@ func writeFile(content []byte, name string) error {
 func printFile(certificate *cert.Certificate, name string) error {
 	certPEM, keyPEM := certificate.ToPEM()
 	return task.Run(context.Background(), func() error {
-		return writeFile(certPEM, name+"_cert.pem")
+		return writeFile(certPEM, name+".crt")
 	}, func() error {
-		return writeFile(keyPEM, name+"_key.pem")
+		return writeFile(keyPEM, name+".key")
 	})
 }
 

main/run.go

@@ -45,6 +45,7 @@ The -dump flag tells Xray to print the merged config.
 
 func init() {
 	cmdRun.Run = executeRun // break init loop
+	log.SetFlags(log.Ldate | log.Ltime | log.Lmicroseconds)
 }
 
 var (

proxy/dns/dns.go

@@ -27,7 +27,7 @@ func init() {
 	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		h := new(Handler)
 		if err := core.RequireFeatures(ctx, func(dnsClient dns.Client, policyManager policy.Manager) error {
-			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) { // FakeDNSEngine is optional
+			core.OptionalFeatures(ctx, func(fdns dns.FakeDNSEngine) {
 				h.fdns = fdns
 			})
 			return h.Init(config.(*Config), dnsClient, policyManager)

proxy/dokodemo/dokodemo.go

@@ -2,6 +2,7 @@ package dokodemo
 
 import (
 	"context"
+	"runtime"
 	"sync/atomic"
 
 	"github.com/xtls/xray-core/common"
@@ -17,6 +18,7 @@ import (
 	"github.com/xtls/xray-core/features/policy"
 	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/transport/internet/stat"
+	"github.com/xtls/xray-core/transport/internet/tls"
 )
 
 func init() {
@@ -62,10 +64,6 @@ func (d *DokodemoDoor) policy() policy.Session {
 	return p
 }
 
-type hasHandshakeAddressContext interface {
-	HandshakeAddressContext(ctx context.Context) net.Address
-}
-
 // Process implements proxy.Inbound.
 func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn stat.Connection, dispatcher routing.Dispatcher) error {
 	errors.LogDebug(ctx, "processing connection from: ", conn.RemoteAddr())
@@ -85,11 +83,14 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 				destinationOverridden = true
 			}
 		}
-		if handshake, ok := conn.(hasHandshakeAddressContext); ok && !destinationOverridden {
-			addr := handshake.HandshakeAddressContext(ctx)
-			if addr != nil {
-				dest.Address = addr
+		if tlsConn, ok := conn.(tls.Interface); ok && !destinationOverridden {
+			if serverName := tlsConn.HandshakeContextServerName(ctx); serverName != "" {
+				dest.Address = net.DomainAddress(serverName)
 				destinationOverridden = true
+				ctx = session.ContextWithMitmServerName(ctx, serverName)
+			}
+			if tlsConn.NegotiatedProtocol() != "h2" {
+				ctx = session.ContextWithMitmAlpn11(ctx, true)
 			}
 		}
 	}
@@ -147,10 +148,6 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 		return nil
 	}
 
-	tproxyRequest := func() error {
-		return nil
-	}
-
 	var writer buf.Writer
 	if network == net.Network_TCP {
 		writer = buf.NewWriter(conn)
@@ -180,7 +177,12 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 				return err
 			}
 			writer = NewPacketWriter(pConn, &dest, mark, back)
-			defer writer.(*PacketWriter).Close()
+			defer func() {
+				runtime.Gosched()
+				common.Interrupt(link.Reader) // maybe duplicated
+				runtime.Gosched()
+				writer.(*PacketWriter).Close() // close fake UDP conns
+			}()
 			/*
 				sockopt := &internet.SocketConfig{
 					Tproxy: internet.SocketConfig_TProxy,
@@ -219,17 +221,24 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 	responseDone := func() error {
 		defer timer.SetTimeout(plcy.Timeouts.UplinkOnly)
 
+		if network == net.Network_UDP && destinationOverridden {
+			buf.Copy(link.Reader, writer) // respect upload's timeout
+			return nil
+		}
+
 		if err := buf.Copy(link.Reader, writer, buf.UpdateActivity(timer)); err != nil {
 			return errors.New("failed to transport response").Base(err)
 		}
 		return nil
 	}
 
-	if err := task.Run(ctx, task.OnSuccess(func() error {
-		return task.Run(ctx, requestDone, tproxyRequest)
-	}, task.Close(link.Writer)), responseDone); err != nil {
-		common.Interrupt(link.Reader)
+	if err := task.Run(ctx,
+		task.OnSuccess(func() error { return task.Run(ctx, requestDone) }, task.Close(link.Writer)),
+		responseDone); err != nil {
+		runtime.Gosched()
 		common.Interrupt(link.Writer)
+		runtime.Gosched()
+		common.Interrupt(link.Reader)
 		return errors.New("connection ends").Base(err)
 	}
 

proxy/freedom/config.pb.go

@@ -233,7 +233,7 @@ type Noise struct {
 	LengthMax uint64 `protobuf:"varint,2,opt,name=length_max,json=lengthMax,proto3" json:"length_max,omitempty"`
 	DelayMin  uint64 `protobuf:"varint,3,opt,name=delay_min,json=delayMin,proto3" json:"delay_min,omitempty"`
 	DelayMax  uint64 `protobuf:"varint,4,opt,name=delay_max,json=delayMax,proto3" json:"delay_max,omitempty"`
-	StrNoise  []byte `protobuf:"bytes,5,opt,name=str_noise,json=strNoise,proto3" json:"str_noise,omitempty"`
+	Packet    []byte `protobuf:"bytes,5,opt,name=packet,proto3" json:"packet,omitempty"`
 }
 
 func (x *Noise) Reset() {
@@ -294,9 +294,9 @@ func (x *Noise) GetDelayMax() uint64 {
 	return 0
 }
 
-func (x *Noise) GetStrNoise() []byte {
+func (x *Noise) GetPacket() []byte {
 	if x != nil {
-		return x.StrNoise
+		return x.Packet
 	}
 	return nil
 }
@@ -412,7 +412,7 @@ var file_proxy_freedom_config_proto_rawDesc = []byte{
 	0x6c, 0x5f, 0x6d, 0x69, 0x6e, 0x18, 0x05, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0b, 0x69, 0x6e, 0x74,
 	0x65, 0x72, 0x76, 0x61, 0x6c, 0x4d, 0x69, 0x6e, 0x12, 0x21, 0x0a, 0x0c, 0x69, 0x6e, 0x74, 0x65,
 	0x72, 0x76, 0x61, 0x6c, 0x5f, 0x6d, 0x61, 0x78, 0x18, 0x06, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0b,
-	0x69, 0x6e, 0x74, 0x65, 0x72, 0x76, 0x61, 0x6c, 0x4d, 0x61, 0x78, 0x22, 0x9c, 0x01, 0x0a, 0x05,
+	0x69, 0x6e, 0x74, 0x65, 0x72, 0x76, 0x61, 0x6c, 0x4d, 0x61, 0x78, 0x22, 0x97, 0x01, 0x0a, 0x05,
 	0x4e, 0x6f, 0x69, 0x73, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x6c, 0x65, 0x6e, 0x67, 0x74, 0x68, 0x5f,
 	0x6d, 0x69, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x04, 0x52, 0x09, 0x6c, 0x65, 0x6e, 0x67, 0x74,
 	0x68, 0x4d, 0x69, 0x6e, 0x12, 0x1d, 0x0a, 0x0a, 0x6c, 0x65, 0x6e, 0x67, 0x74, 0x68, 0x5f, 0x6d,
@@ -420,49 +420,49 @@ var file_proxy_freedom_config_proto_rawDesc = []byte{
 	0x4d, 0x61, 0x78, 0x12, 0x1b, 0x0a, 0x09, 0x64, 0x65, 0x6c, 0x61, 0x79, 0x5f, 0x6d, 0x69, 0x6e,
 	0x18, 0x03, 0x20, 0x01, 0x28, 0x04, 0x52, 0x08, 0x64, 0x65, 0x6c, 0x61, 0x79, 0x4d, 0x69, 0x6e,
 	0x12, 0x1b, 0x0a, 0x09, 0x64, 0x65, 0x6c, 0x61, 0x79, 0x5f, 0x6d, 0x61, 0x78, 0x18, 0x04, 0x20,
-	0x01, 0x28, 0x04, 0x52, 0x08, 0x64, 0x65, 0x6c, 0x61, 0x79, 0x4d, 0x61, 0x78, 0x12, 0x1b, 0x0a,
-	0x09, 0x73, 0x74, 0x72, 0x5f, 0x6e, 0x6f, 0x69, 0x73, 0x65, 0x18, 0x05, 0x20, 0x01, 0x28, 0x0c,
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-	0x34, 0x36, 0x10, 0x09, 0x12, 0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50,
-	0x36, 0x34, 0x10, 0x0a, 0x42, 0x58, 0x0a, 0x16, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79,
-	0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x66, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x50, 0x01,
-	0x5a, 0x27, 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, 0x70, 0x72, 0x6f, 0x78,
-	0x79, 0x2f, 0x66, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0xaa, 0x02, 0x12, 0x58, 0x72, 0x61, 0x79,
-	0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x46, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x62, 0x06,
-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x12, 0x1d, 0x0a, 0x0a, 0x75, 0x73, 0x65, 0x72, 0x5f, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x18, 0x04,
+	0x20, 0x01, 0x28, 0x0d, 0x52, 0x09, 0x75, 0x73, 0x65, 0x72, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x12,
+	0x38, 0x0a, 0x08, 0x66, 0x72, 0x61, 0x67, 0x6d, 0x65, 0x6e, 0x74, 0x18, 0x05, 0x20, 0x01, 0x28,
+	0x0b, 0x32, 0x1c, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x66,
+	0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x2e, 0x46, 0x72, 0x61, 0x67, 0x6d, 0x65, 0x6e, 0x74, 0x52,
+	0x08, 0x66, 0x72, 0x61, 0x67, 0x6d, 0x65, 0x6e, 0x74, 0x12, 0x25, 0x0a, 0x0e, 0x70, 0x72, 0x6f,
+	0x78, 0x79, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x18, 0x06, 0x20, 0x01, 0x28,
+	0x0d, 0x52, 0x0d, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c,
+	0x12, 0x31, 0x0a, 0x06, 0x6e, 0x6f, 0x69, 0x73, 0x65, 0x73, 0x18, 0x07, 0x20, 0x03, 0x28, 0x0b,
+	0x32, 0x19, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x66, 0x72,
+	0x65, 0x65, 0x64, 0x6f, 0x6d, 0x2e, 0x4e, 0x6f, 0x69, 0x73, 0x65, 0x52, 0x06, 0x6e, 0x6f, 0x69,
+	0x73, 0x65, 0x73, 0x22, 0xa9, 0x01, 0x0a, 0x0e, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53, 0x74,
+	0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x09, 0x0a, 0x05, 0x41, 0x53, 0x5f, 0x49, 0x53, 0x10,
+	0x00, 0x12, 0x0a, 0x0a, 0x06, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x10, 0x01, 0x12, 0x0b, 0x0a,
+	0x07, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x10, 0x02, 0x12, 0x0b, 0x0a, 0x07, 0x55, 0x53,
+	0x45, 0x5f, 0x49, 0x50, 0x36, 0x10, 0x03, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f, 0x49,
+	0x50, 0x34, 0x36, 0x10, 0x04, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x36,
+	0x34, 0x10, 0x05, 0x12, 0x0c, 0x0a, 0x08, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x10,
+	0x06, 0x12, 0x0d, 0x0a, 0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x10, 0x07,
+	0x12, 0x0d, 0x0a, 0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x10, 0x08, 0x12,
+	0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x36, 0x10, 0x09, 0x12,
+	0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x34, 0x10, 0x0a, 0x42,
+	0x58, 0x0a, 0x16, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78,
+	0x79, 0x2e, 0x66, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x50, 0x01, 0x5a, 0x27, 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, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x66, 0x72, 0x65,
+	0x65, 0x64, 0x6f, 0x6d, 0xaa, 0x02, 0x12, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78,
+	0x79, 0x2e, 0x46, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
 }
 
 var (

proxy/freedom/config.proto

@@ -25,7 +25,7 @@ message Noise {
   uint64 length_max = 2;
   uint64 delay_min = 3;
   uint64 delay_max = 4;
-  bytes str_noise = 5;
+  bytes packet = 5;
 }
 
 message Config {

proxy/freedom/freedom.go

@@ -266,6 +266,9 @@ func isTLSConn(conn stat.Connection) bool {
 		if _, ok := conn.(*tls.Conn); ok {
 			return true
 		}
+		if _, ok := conn.(*tls.UConn); ok {
+			return true
+		}
 	}
 	return false
 }
@@ -407,8 +410,8 @@ func (w *NoisePacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
 		var err error
 		for _, n := range w.noises {
 			//User input string or base64 encoded string
-			if n.StrNoise != nil {
-				noise = n.StrNoise
+			if n.Packet != nil {
+				noise = n.Packet
 			} else {
 				//Random noise
 				noise, err = GenerateRandomBytes(randBetween(int64(n.LengthMin),
@@ -419,7 +422,7 @@ func (w *NoisePacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
 			}
 			w.Writer.WriteMultiBuffer(buf.MultiBuffer{buf.FromBytes(noise)})
 
-			if n.DelayMin != 0 {
+			if n.DelayMin != 0 || n.DelayMax != 0 {
 				time.Sleep(time.Duration(randBetween(int64(n.DelayMin), int64(n.DelayMax))) * time.Millisecond)
 			}
 		}

proxy/http/client.go

@@ -151,6 +151,7 @@ func (c *Client) Process(ctx context.Context, link *transport.Link, dialer inter
 		return buf.Copy(link.Reader, buf.NewWriter(conn), buf.UpdateActivity(timer))
 	}
 	responseFunc := func() error {
+		ob.CanSpliceCopy = 1
 		defer timer.SetTimeout(p.Timeouts.UplinkOnly)
 		return buf.Copy(buf.NewReader(conn), link.Writer, buf.UpdateActivity(timer))
 	}

proxy/http/server.go

@@ -207,6 +207,7 @@ func (s *Server) handleConnect(ctx context.Context, _ *http.Request, reader *buf
 	}
 
 	responseDone := func() error {
+		inbound.CanSpliceCopy = 1
 		defer timer.SetTimeout(plcy.Timeouts.UplinkOnly)
 
 		v2writer := buf.NewWriter(conn)

proxy/proxy.go

@@ -107,37 +107,65 @@ type TrafficState struct {
 	IsTLS                  bool
 	Cipher                 uint16
 	RemainingServerHello   int32
+	Inbound                InboundState
+	Outbound               OutboundState
+}
 
+type InboundState struct {
+	// reader link state
+	WithinPaddingBuffers   bool
+	UplinkReaderDirectCopy bool
+	RemainingCommand       int32
+	RemainingContent       int32
+	RemainingPadding       int32
+	CurrentCommand         int
+	// write link state
+	IsPadding                bool
+	DownlinkWriterDirectCopy bool
+}
+
+type OutboundState struct {
 	// reader link state
 	WithinPaddingBuffers     bool
-	ReaderSwitchToDirectCopy bool
+	DownlinkReaderDirectCopy bool
 	RemainingCommand         int32
 	RemainingContent         int32
 	RemainingPadding         int32
 	CurrentCommand           int
-
 	// write link state
-	IsPadding                bool
-	WriterSwitchToDirectCopy bool
+	IsPadding              bool
+	UplinkWriterDirectCopy bool
 }
 
 func NewTrafficState(userUUID []byte) *TrafficState {
 	return &TrafficState{
-		UserUUID:                 userUUID,
-		NumberOfPacketToFilter:   8,
-		EnableXtls:               false,
-		IsTLS12orAbove:           false,
-		IsTLS:                    false,
-		Cipher:                   0,
-		RemainingServerHello:     -1,
-		WithinPaddingBuffers:     true,
-		ReaderSwitchToDirectCopy: false,
-		RemainingCommand:         -1,
-		RemainingContent:         -1,
-		RemainingPadding:         -1,
-		CurrentCommand:           0,
-		IsPadding:                true,
-		WriterSwitchToDirectCopy: false,
+		UserUUID:               userUUID,
+		NumberOfPacketToFilter: 8,
+		EnableXtls:             false,
+		IsTLS12orAbove:         false,
+		IsTLS:                  false,
+		Cipher:                 0,
+		RemainingServerHello:   -1,
+		Inbound: InboundState{
+			WithinPaddingBuffers:     true,
+			UplinkReaderDirectCopy:   false,
+			RemainingCommand:         -1,
+			RemainingContent:         -1,
+			RemainingPadding:         -1,
+			CurrentCommand:           0,
+			IsPadding:                true,
+			DownlinkWriterDirectCopy: false,
+		},
+		Outbound: OutboundState{
+			WithinPaddingBuffers:     true,
+			DownlinkReaderDirectCopy: false,
+			RemainingCommand:         -1,
+			RemainingContent:         -1,
+			RemainingPadding:         -1,
+			CurrentCommand:           0,
+			IsPadding:                true,
+			UplinkWriterDirectCopy:   false,
+		},
 	}
 }
 
@@ -147,37 +175,58 @@ type VisionReader struct {
 	buf.Reader
 	trafficState *TrafficState
 	ctx          context.Context
+	isUplink     bool
 }
 
-func NewVisionReader(reader buf.Reader, state *TrafficState, context context.Context) *VisionReader {
+func NewVisionReader(reader buf.Reader, state *TrafficState, isUplink bool, context context.Context) *VisionReader {
 	return &VisionReader{
 		Reader:       reader,
 		trafficState: state,
 		ctx:          context,
+		isUplink:     isUplink,
 	}
 }
 
 func (w *VisionReader) ReadMultiBuffer() (buf.MultiBuffer, error) {
 	buffer, err := w.Reader.ReadMultiBuffer()
 	if !buffer.IsEmpty() {
-		if w.trafficState.WithinPaddingBuffers || w.trafficState.NumberOfPacketToFilter > 0 {
+		var withinPaddingBuffers *bool
+		var remainingContent *int32
+		var remainingPadding *int32
+		var currentCommand *int
+		var switchToDirectCopy *bool
+		if w.isUplink {
+			withinPaddingBuffers = &w.trafficState.Inbound.WithinPaddingBuffers
+			remainingContent = &w.trafficState.Inbound.RemainingContent
+			remainingPadding = &w.trafficState.Inbound.RemainingPadding
+			currentCommand = &w.trafficState.Inbound.CurrentCommand
+			switchToDirectCopy = &w.trafficState.Inbound.UplinkReaderDirectCopy
+		} else {
+			withinPaddingBuffers = &w.trafficState.Outbound.WithinPaddingBuffers
+			remainingContent = &w.trafficState.Outbound.RemainingContent
+			remainingPadding = &w.trafficState.Outbound.RemainingPadding
+			currentCommand = &w.trafficState.Outbound.CurrentCommand
+			switchToDirectCopy = &w.trafficState.Outbound.DownlinkReaderDirectCopy
+		}
+
+		if *withinPaddingBuffers || w.trafficState.NumberOfPacketToFilter > 0 {
 			mb2 := make(buf.MultiBuffer, 0, len(buffer))
 			for _, b := range buffer {
-				newbuffer := XtlsUnpadding(b, w.trafficState, w.ctx)
+				newbuffer := XtlsUnpadding(b, w.trafficState, w.isUplink, w.ctx)
 				if newbuffer.Len() > 0 {
 					mb2 = append(mb2, newbuffer)
 				}
 			}
 			buffer = mb2
-			if w.trafficState.RemainingContent > 0 || w.trafficState.RemainingPadding > 0 || w.trafficState.CurrentCommand == 0 {
-				w.trafficState.WithinPaddingBuffers = true
-			} else if w.trafficState.CurrentCommand == 1 {
-				w.trafficState.WithinPaddingBuffers = false
-			} else if w.trafficState.CurrentCommand == 2 {
-				w.trafficState.WithinPaddingBuffers = false
-				w.trafficState.ReaderSwitchToDirectCopy = true
+			if *remainingContent > 0 || *remainingPadding > 0 || *currentCommand == 0 {
+				*withinPaddingBuffers = true
+			} else if *currentCommand == 1 {
+				*withinPaddingBuffers = false
+			} else if *currentCommand == 2 {
+				*withinPaddingBuffers = false
+				*switchToDirectCopy = true
 			} else {
-				errors.LogInfo(w.ctx, "XtlsRead unknown command ", w.trafficState.CurrentCommand, buffer.Len())
+				errors.LogInfo(w.ctx, "XtlsRead unknown command ", *currentCommand, buffer.Len())
 			}
 		}
 		if w.trafficState.NumberOfPacketToFilter > 0 {
@@ -194,9 +243,10 @@ type VisionWriter struct {
 	trafficState      *TrafficState
 	ctx               context.Context
 	writeOnceUserUUID []byte
+	isUplink          bool
 }
 
-func NewVisionWriter(writer buf.Writer, state *TrafficState, context context.Context) *VisionWriter {
+func NewVisionWriter(writer buf.Writer, state *TrafficState, isUplink bool, context context.Context) *VisionWriter {
 	w := make([]byte, len(state.UserUUID))
 	copy(w, state.UserUUID)
 	return &VisionWriter{
@@ -204,6 +254,7 @@ func NewVisionWriter(writer buf.Writer, state *TrafficState, context context.Con
 		trafficState:      state,
 		ctx:               context,
 		writeOnceUserUUID: w,
+		isUplink:          isUplink,
 	}
 }
 
@@ -211,7 +262,16 @@ func (w *VisionWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
 	if w.trafficState.NumberOfPacketToFilter > 0 {
 		XtlsFilterTls(mb, w.trafficState, w.ctx)
 	}
-	if w.trafficState.IsPadding {
+	var isPadding *bool
+	var switchToDirectCopy *bool
+	if w.isUplink {
+		isPadding = &w.trafficState.Outbound.IsPadding
+		switchToDirectCopy = &w.trafficState.Outbound.UplinkWriterDirectCopy
+	} else {
+		isPadding = &w.trafficState.Inbound.IsPadding
+		switchToDirectCopy = &w.trafficState.Inbound.DownlinkWriterDirectCopy
+	}
+	if *isPadding {
 		if len(mb) == 1 && mb[0] == nil {
 			mb[0] = XtlsPadding(nil, CommandPaddingContinue, &w.writeOnceUserUUID, true, w.ctx) // we do a long padding to hide vless header
 			return w.Writer.WriteMultiBuffer(mb)
@@ -221,7 +281,7 @@ func (w *VisionWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
 		for i, b := range mb {
 			if w.trafficState.IsTLS && b.Len() >= 6 && bytes.Equal(TlsApplicationDataStart, b.BytesTo(3)) {
 				if w.trafficState.EnableXtls {
-					w.trafficState.WriterSwitchToDirectCopy = true
+					*switchToDirectCopy = true
 				}
 				var command byte = CommandPaddingContinue
 				if i == len(mb)-1 {
@@ -231,16 +291,16 @@ func (w *VisionWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
 					}
 				}
 				mb[i] = XtlsPadding(b, command, &w.writeOnceUserUUID, true, w.ctx)
-				w.trafficState.IsPadding = false // padding going to end
+				*isPadding = false // padding going to end
 				longPadding = false
 				continue
 			} else if !w.trafficState.IsTLS12orAbove && w.trafficState.NumberOfPacketToFilter <= 1 { // For compatibility with earlier vision receiver, we finish padding 1 packet early
-				w.trafficState.IsPadding = false
+				*isPadding = false
 				mb[i] = XtlsPadding(b, CommandPaddingEnd, &w.writeOnceUserUUID, longPadding, w.ctx)
 				break
 			}
 			var command byte = CommandPaddingContinue
-			if i == len(mb)-1 && !w.trafficState.IsPadding {
+			if i == len(mb)-1 && !*isPadding {
 				command = CommandPaddingEnd
 				if w.trafficState.EnableXtls {
 					command = CommandPaddingDirect
@@ -327,38 +387,53 @@ func XtlsPadding(b *buf.Buffer, command byte, userUUID *[]byte, longPadding bool
 }
 
 // XtlsUnpadding remove padding and parse command
-func XtlsUnpadding(b *buf.Buffer, s *TrafficState, ctx context.Context) *buf.Buffer {
-	if s.RemainingCommand == -1 && s.RemainingContent == -1 && s.RemainingPadding == -1 { // initial state
+func XtlsUnpadding(b *buf.Buffer, s *TrafficState, isUplink bool, ctx context.Context) *buf.Buffer {
+	var remainingCommand *int32
+	var remainingContent *int32
+	var remainingPadding *int32
+	var currentCommand *int
+	if isUplink {
+		remainingCommand = &s.Inbound.RemainingCommand
+		remainingContent = &s.Inbound.RemainingContent
+		remainingPadding = &s.Inbound.RemainingPadding
+		currentCommand = &s.Inbound.CurrentCommand
+	} else {
+		remainingCommand = &s.Outbound.RemainingCommand
+		remainingContent = &s.Outbound.RemainingContent
+		remainingPadding = &s.Outbound.RemainingPadding
+		currentCommand = &s.Outbound.CurrentCommand
+	}
+	if *remainingCommand == -1 && *remainingContent == -1 && *remainingPadding == -1 { // initial state
 		if b.Len() >= 21 && bytes.Equal(s.UserUUID, b.BytesTo(16)) {
 			b.Advance(16)
-			s.RemainingCommand = 5
+			*remainingCommand = 5
 		} else {
 			return b
 		}
 	}
 	newbuffer := buf.New()
 	for b.Len() > 0 {
-		if s.RemainingCommand > 0 {
+		if *remainingCommand > 0 {
 			data, err := b.ReadByte()
 			if err != nil {
 				return newbuffer
 			}
-			switch s.RemainingCommand {
+			switch *remainingCommand {
 			case 5:
-				s.CurrentCommand = int(data)
+				*currentCommand = int(data)
 			case 4:
-				s.RemainingContent = int32(data) << 8
+				*remainingContent = int32(data) << 8
 			case 3:
-				s.RemainingContent = s.RemainingContent | int32(data)
+				*remainingContent = *remainingContent | int32(data)
 			case 2:
-				s.RemainingPadding = int32(data) << 8
+				*remainingPadding = int32(data) << 8
 			case 1:
-				s.RemainingPadding = s.RemainingPadding | int32(data)
-				errors.LogInfo(ctx, "Xtls Unpadding new block, content ", s.RemainingContent, " padding ", s.RemainingPadding, " command ", s.CurrentCommand)
+				*remainingPadding = *remainingPadding | int32(data)
+				errors.LogInfo(ctx, "Xtls Unpadding new block, content ", *remainingContent, " padding ", *remainingPadding, " command ", *currentCommand)
 			}
-			s.RemainingCommand--
-		} else if s.RemainingContent > 0 {
-			len := s.RemainingContent
+			*remainingCommand--
+		} else if *remainingContent > 0 {
+			len := *remainingContent
 			if b.Len() < len {
 				len = b.Len()
 			}
@@ -367,22 +442,22 @@ func XtlsUnpadding(b *buf.Buffer, s *TrafficState, ctx context.Context) *buf.Buf
 				return newbuffer
 			}
 			newbuffer.Write(data)
-			s.RemainingContent -= len
+			*remainingContent -= len
 		} else { // remainingPadding > 0
-			len := s.RemainingPadding
+			len := *remainingPadding
 			if b.Len() < len {
 				len = b.Len()
 			}
 			b.Advance(len)
-			s.RemainingPadding -= len
+			*remainingPadding -= len
 		}
-		if s.RemainingCommand <= 0 && s.RemainingContent <= 0 && s.RemainingPadding <= 0 { // this block done
-			if s.CurrentCommand == 0 {
-				s.RemainingCommand = 5
+		if *remainingCommand <= 0 && *remainingContent <= 0 && *remainingPadding <= 0 { // this block done
+			if *currentCommand == 0 {
+				*remainingCommand = 5
 			} else {
-				s.RemainingCommand = -1 // set to initial state
-				s.RemainingContent = -1
-				s.RemainingPadding = -1
+				*remainingCommand = -1 // set to initial state
+				*remainingContent = -1
+				*remainingPadding = -1
 				if b.Len() > 0 { // shouldn't happen
 					newbuffer.Write(b.Bytes())
 				}
@@ -449,7 +524,7 @@ func XtlsFilterTls(buffer buf.MultiBuffer, trafficState *TrafficState, ctx conte
 	}
 }
 
-// UnwrapRawConn support unwrap stats, tls, utls, reality and proxyproto conn and get raw tcp conn from it
+// UnwrapRawConn support unwrap stats, tls, utls, reality, proxyproto, uds-wrapper conn and get raw tcp/uds conn from it
 func UnwrapRawConn(conn net.Conn) (net.Conn, stats.Counter, stats.Counter) {
 	var readCounter, writerCounter stats.Counter
 	if conn != nil {
@@ -472,6 +547,9 @@ func UnwrapRawConn(conn net.Conn) (net.Conn, stats.Counter, stats.Counter) {
 			conn = pc.Raw()
 			// 8192 > 4096, there is no need to process pc's bufReader
 		}
+		if uc, ok := conn.(*internet.UDSWrapperConn); ok {
+			conn = uc.Conn
+		}
 	}
 	return conn, readCounter, writerCounter
 }

proxy/socks/client.go

@@ -146,6 +146,7 @@ func (c *Client) Process(ctx context.Context, link *transport.Link, dialer inter
 			return buf.Copy(link.Reader, buf.NewWriter(conn), buf.UpdateActivity(timer))
 		}
 		responseFunc = func() error {
+			ob.CanSpliceCopy = 1
 			defer timer.SetTimeout(p.Timeouts.UplinkOnly)
 			return buf.Copy(buf.NewReader(conn), link.Writer, buf.UpdateActivity(timer))
 		}
@@ -161,6 +162,7 @@ func (c *Client) Process(ctx context.Context, link *transport.Link, dialer inter
 			return buf.Copy(link.Reader, writer, buf.UpdateActivity(timer))
 		}
 		responseFunc = func() error {
+			ob.CanSpliceCopy = 1
 			defer timer.SetTimeout(p.Timeouts.UplinkOnly)
 			reader := &UDPReader{Reader: udpConn}
 			return buf.Copy(reader, link.Writer, buf.UpdateActivity(timer))

proxy/socks/server.go

@@ -2,6 +2,7 @@ package socks
 
 import (
 	"context"
+	goerrors "errors"
 	"io"
 	"time"
 
@@ -78,7 +79,13 @@ func (s *Server) Process(ctx context.Context, network net.Network, conn stat.Con
 	switch network {
 	case net.Network_TCP:
 		firstbyte := make([]byte, 1)
-		conn.Read(firstbyte)
+		if n, err := conn.Read(firstbyte); n == 0 {
+			if goerrors.Is(err, io.EOF) {
+				errors.LogInfo(ctx, "Connection closed immediately, likely health check connection")
+				return nil
+			}
+			return errors.New("failed to read from connection").Base(err)
+		}
 		if firstbyte[0] != 5 && firstbyte[0] != 4 { // Check if it is Socks5/4/4a
 			errors.LogDebug(ctx, "Not Socks request, try to parse as HTTP request")
 			return s.httpServer.ProcessWithFirstbyte(ctx, network, conn, dispatcher, firstbyte...)
@@ -192,6 +199,7 @@ func (s *Server) transport(ctx context.Context, reader io.Reader, writer io.Writ
 	}
 
 	responseDone := func() error {
+		inbound.CanSpliceCopy = 1
 		defer timer.SetTimeout(plcy.Timeouts.UplinkOnly)
 
 		v2writer := buf.NewWriter(writer)
@@ -249,6 +257,7 @@ func (s *Server) handleUDPPayload(ctx context.Context, conn stat.Connection, dis
 	if inbound != nil && inbound.Source.IsValid() {
 		errors.LogInfo(ctx, "client UDP connection from ", inbound.Source)
 	}
+	inbound.CanSpliceCopy = 1
 
 	var dest *net.Destination
 

proxy/vless/encoding/addons.go

@@ -61,13 +61,13 @@ func DecodeHeaderAddons(buffer *buf.Buffer, reader io.Reader) (*Addons, error) {
 }
 
 // EncodeBodyAddons returns a Writer that auto-encrypt content written by caller.
-func EncodeBodyAddons(writer io.Writer, request *protocol.RequestHeader, requestAddons *Addons, state *proxy.TrafficState, context context.Context) buf.Writer {
+func EncodeBodyAddons(writer io.Writer, request *protocol.RequestHeader, requestAddons *Addons, state *proxy.TrafficState, isUplink bool, context context.Context) buf.Writer {
 	if request.Command == protocol.RequestCommandUDP {
 		return NewMultiLengthPacketWriter(writer.(buf.Writer))
 	}
 	w := buf.NewWriter(writer)
 	if requestAddons.Flow == vless.XRV {
-		w = proxy.NewVisionWriter(w, state, context)
+		w = proxy.NewVisionWriter(w, state, isUplink, context)
 	}
 	return w
 }

proxy/vless/encoding/encoding.go

@@ -172,19 +172,19 @@ func DecodeResponseHeader(reader io.Reader, request *protocol.RequestHeader) (*A
 }
 
 // XtlsRead filter and read xtls protocol
-func XtlsRead(reader buf.Reader, writer buf.Writer, timer *signal.ActivityTimer, conn net.Conn, input *bytes.Reader, rawInput *bytes.Buffer, trafficState *proxy.TrafficState, ob *session.Outbound, ctx context.Context) error {
+func XtlsRead(reader buf.Reader, writer buf.Writer, timer *signal.ActivityTimer, conn net.Conn, input *bytes.Reader, rawInput *bytes.Buffer, trafficState *proxy.TrafficState, ob *session.Outbound, isUplink bool, ctx context.Context) error {
 	err := func() error {
 		for {
-			if trafficState.ReaderSwitchToDirectCopy {
+			if isUplink && trafficState.Inbound.UplinkReaderDirectCopy || !isUplink && trafficState.Outbound.DownlinkReaderDirectCopy {
 				var writerConn net.Conn
 				var inTimer *signal.ActivityTimer
 				if inbound := session.InboundFromContext(ctx); inbound != nil && inbound.Conn != nil {
 					writerConn = inbound.Conn
 					inTimer = inbound.Timer
-					if inbound.CanSpliceCopy == 2 {
+					if isUplink && inbound.CanSpliceCopy == 2 {
 						inbound.CanSpliceCopy = 1
 					}
-					if ob != nil && ob.CanSpliceCopy == 2 { // ob need to be passed in due to context can change
+					if !isUplink && ob != nil && ob.CanSpliceCopy == 2 { // ob need to be passed in due to context can change
 						ob.CanSpliceCopy = 1
 					}
 				}
@@ -193,7 +193,7 @@ func XtlsRead(reader buf.Reader, writer buf.Writer, timer *signal.ActivityTimer,
 			buffer, err := reader.ReadMultiBuffer()
 			if !buffer.IsEmpty() {
 				timer.Update()
-				if trafficState.ReaderSwitchToDirectCopy {
+				if isUplink && trafficState.Inbound.UplinkReaderDirectCopy || !isUplink && trafficState.Outbound.DownlinkReaderDirectCopy {
 					// XTLS Vision processes struct TLS Conn's input and rawInput
 					if inputBuffer, err := buf.ReadFrom(input); err == nil {
 						if !inputBuffer.IsEmpty() {
@@ -222,24 +222,28 @@ func XtlsRead(reader buf.Reader, writer buf.Writer, timer *signal.ActivityTimer,
 }
 
 // XtlsWrite filter and write xtls protocol
-func XtlsWrite(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater, conn net.Conn, trafficState *proxy.TrafficState, ob *session.Outbound, ctx context.Context) error {
+func XtlsWrite(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater, conn net.Conn, trafficState *proxy.TrafficState, ob *session.Outbound, isUplink bool, ctx context.Context) error {
 	err := func() error {
 		var ct stats.Counter
 		for {
 			buffer, err := reader.ReadMultiBuffer()
-			if trafficState.WriterSwitchToDirectCopy {
+			if isUplink && trafficState.Outbound.UplinkWriterDirectCopy || !isUplink && trafficState.Inbound.DownlinkWriterDirectCopy {
 				if inbound := session.InboundFromContext(ctx); inbound != nil {
-					if inbound.CanSpliceCopy == 2 {
+					if !isUplink && inbound.CanSpliceCopy == 2 {
 						inbound.CanSpliceCopy = 1
 					}
-					if ob != nil && ob.CanSpliceCopy == 2 {
+					if isUplink && ob != nil && ob.CanSpliceCopy == 2 {
 						ob.CanSpliceCopy = 1
 					}
 				}
 				rawConn, _, writerCounter := proxy.UnwrapRawConn(conn)
 				writer = buf.NewWriter(rawConn)
 				ct = writerCounter
-				trafficState.WriterSwitchToDirectCopy = false
+				if isUplink {
+					trafficState.Outbound.UplinkWriterDirectCopy = false
+				} else {
+					trafficState.Inbound.DownlinkWriterDirectCopy = false
+				}
 			}
 			if !buffer.IsEmpty() {
 				if ct != nil {

proxy/vless/inbound/inbound.go

@@ -538,8 +538,8 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 
 		if requestAddons.Flow == vless.XRV {
 			ctx1 := session.ContextWithInbound(ctx, nil) // TODO enable splice
-			clientReader = proxy.NewVisionReader(clientReader, trafficState, ctx1)
-			err = encoding.XtlsRead(clientReader, serverWriter, timer, connection, input, rawInput, trafficState, nil, ctx1)
+			clientReader = proxy.NewVisionReader(clientReader, trafficState, true, ctx1)
+			err = encoding.XtlsRead(clientReader, serverWriter, timer, connection, input, rawInput, trafficState, nil, true, ctx1)
 		} else {
 			// from clientReader.ReadMultiBuffer to serverWriter.WriteMultiBuffer
 			err = buf.Copy(clientReader, serverWriter, buf.UpdateActivity(timer))
@@ -561,7 +561,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 		}
 
 		// default: clientWriter := bufferWriter
-		clientWriter := encoding.EncodeBodyAddons(bufferWriter, request, requestAddons, trafficState, ctx)
+		clientWriter := encoding.EncodeBodyAddons(bufferWriter, request, requestAddons, trafficState, false, ctx)
 		multiBuffer, err1 := serverReader.ReadMultiBuffer()
 		if err1 != nil {
 			return err1 // ...
@@ -576,7 +576,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 
 		var err error
 		if requestAddons.Flow == vless.XRV {
-			err = encoding.XtlsWrite(serverReader, clientWriter, timer, connection, trafficState, nil, ctx)
+			err = encoding.XtlsWrite(serverReader, clientWriter, timer, connection, trafficState, nil, false, ctx)
 		} else {
 			// from serverReader.ReadMultiBuffer to clientWriter.WriteMultiBuffer
 			err = buf.Copy(serverReader, clientWriter, buf.UpdateActivity(timer))

proxy/vless/outbound/outbound.go

@@ -194,7 +194,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 		}
 
 		// default: serverWriter := bufferWriter
-		serverWriter := encoding.EncodeBodyAddons(bufferWriter, request, requestAddons, trafficState, ctx)
+		serverWriter := encoding.EncodeBodyAddons(bufferWriter, request, requestAddons, trafficState, true, ctx)
 		if request.Command == protocol.RequestCommandMux && request.Port == 666 {
 			serverWriter = xudp.NewPacketWriter(serverWriter, target, xudp.GetGlobalID(ctx))
 		}
@@ -234,7 +234,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 				}
 			}
 			ctx1 := session.ContextWithInbound(ctx, nil) // TODO enable splice
-			err = encoding.XtlsWrite(clientReader, serverWriter, timer, conn, trafficState, ob, ctx1)
+			err = encoding.XtlsWrite(clientReader, serverWriter, timer, conn, trafficState, ob, true, ctx1)
 		} else {
 			// from clientReader.ReadMultiBuffer to serverWriter.WriteMultiBuffer
 			err = buf.Copy(clientReader, serverWriter, buf.UpdateActivity(timer))
@@ -261,7 +261,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 		// default: serverReader := buf.NewReader(conn)
 		serverReader := encoding.DecodeBodyAddons(conn, request, responseAddons)
 		if requestAddons.Flow == vless.XRV {
-			serverReader = proxy.NewVisionReader(serverReader, trafficState, ctx)
+			serverReader = proxy.NewVisionReader(serverReader, trafficState, false, ctx)
 		}
 		if request.Command == protocol.RequestCommandMux && request.Port == 666 {
 			if requestAddons.Flow == vless.XRV {
@@ -272,7 +272,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 		}
 
 		if requestAddons.Flow == vless.XRV {
-			err = encoding.XtlsRead(serverReader, clientWriter, timer, conn, input, rawInput, trafficState, ob, ctx)
+			err = encoding.XtlsRead(serverReader, clientWriter, timer, conn, input, rawInput, trafficState, ob, false, ctx)
 		} else {
 			// from serverReader.ReadMultiBuffer to clientWriter.WriteMultiBuffer
 			err = buf.Copy(serverReader, clientWriter, buf.UpdateActivity(timer))

proxy/wireguard/gvisortun/tun.go

@@ -157,7 +157,7 @@ func (tun *netTun) Write(buf [][]byte, offset int) (int, error) {
 // WriteNotify implements channel.Notification
 func (tun *netTun) WriteNotify() {
 	pkt := tun.ep.Read()
-	if pkt.IsNil() {
+	if pkt == nil {
 		return
 	}
 

proxy/wireguard/tun.go

@@ -194,7 +194,7 @@ func createGVisorTun(localAddresses []netip.Addr, mtu int, handler promiscuousMo
 					Timeout: 15 * time.Second,
 				})
 
-				handler(xnet.UDPDestination(xnet.IPAddress(id.LocalAddress.AsSlice()), xnet.Port(id.LocalPort)), gonet.NewUDPConn(stack, &wq, ep))
+				handler(xnet.UDPDestination(xnet.IPAddress(id.LocalAddress.AsSlice()), xnet.Port(id.LocalPort)), gonet.NewUDPConn(&wq, ep))
 			}(r)
 		})
 		stack.SetTransportProtocolHandler(udp.ProtocolNumber, udpForwarder.HandlePacket)

transport/internet/browser_dialer/dialer.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	_ "embed"
 	"encoding/base64"
+	"encoding/json"
 	"net/http"
 	"time"
 
@@ -17,6 +18,12 @@ import (
 //go:embed dialer.html
 var webpage []byte
 
+type task struct {
+	Method string `json:"method"`
+	URL    string `json:"url"`
+	Extra  any    `json:"extra,omitempty"`
+}
+
 var conns chan *websocket.Conn
 
 var upgrader = &websocket.Upgrader{
@@ -55,23 +62,69 @@ func HasBrowserDialer() bool {
 	return conns != nil
 }
 
+type webSocketExtra struct {
+	Protocol string `json:"protocol,omitempty"`
+}
+
 func DialWS(uri string, ed []byte) (*websocket.Conn, error) {
-	data := []byte("WS " + uri)
-	if ed != nil {
-		data = append(data, " "+base64.RawURLEncoding.EncodeToString(ed)...)
+	task := task{
+		Method: "WS",
+		URL:    uri,
 	}
 
-	return dialRaw(data)
+	if ed != nil {
+		task.Extra = webSocketExtra{
+			Protocol: base64.RawURLEncoding.EncodeToString(ed),
+		}
+	}
+
+	return dialTask(task)
 }
 
-func DialGet(uri string) (*websocket.Conn, error) {
-	data := []byte("GET " + uri)
-	return dialRaw(data)
+type httpExtra struct {
+	Referrer string            `json:"referrer,omitempty"`
+	Headers  map[string]string `json:"headers,omitempty"`
 }
 
-func DialPost(uri string, payload []byte) error {
-	data := []byte("POST " + uri)
-	conn, err := dialRaw(data)
+func httpExtraFromHeaders(headers http.Header) *httpExtra {
+	if len(headers) == 0 {
+		return nil
+	}
+
+	extra := httpExtra{}
+	if referrer := headers.Get("Referer"); referrer != "" {
+		extra.Referrer = referrer
+		headers.Del("Referer")
+	}
+
+	if len(headers) > 0 {
+		extra.Headers = make(map[string]string)
+		for header := range headers {
+			extra.Headers[header] = headers.Get(header)
+		}
+	}
+
+	return &extra
+}
+
+func DialGet(uri string, headers http.Header) (*websocket.Conn, error) {
+	task := task{
+		Method: "GET",
+		URL:    uri,
+		Extra:  httpExtraFromHeaders(headers),
+	}
+
+	return dialTask(task)
+}
+
+func DialPost(uri string, headers http.Header, payload []byte) error {
+	task := task{
+		Method: "POST",
+		URL:    uri,
+		Extra:  httpExtraFromHeaders(headers),
+	}
+
+	conn, err := dialTask(task)
 	if err != nil {
 		return err
 	}
@@ -90,7 +143,12 @@ func DialPost(uri string, payload []byte) error {
 	return nil
 }
 
-func dialRaw(data []byte) (*websocket.Conn, error) {
+func dialTask(task task) (*websocket.Conn, error) {
+	data, err := json.Marshal(task)
+	if err != nil {
+		return nil, err
+	}
+
 	var conn *websocket.Conn
 	for {
 		conn = <-conns
@@ -100,7 +158,7 @@ func dialRaw(data []byte) (*websocket.Conn, error) {
 			break
 		}
 	}
-	err := CheckOK(conn)
+	err = CheckOK(conn)
 	if err != nil {
 		return nil, err
 	}

transport/internet/browser_dialer/dialer.html

@@ -14,10 +14,28 @@
 		let upstreamGetCount = 0;
 		let upstreamWsCount = 0;
 		let upstreamPostCount = 0;
+
+		function prepareRequestInit(extra) {
+			const requestInit = {};
+			if (extra.referrer) {
+				// note: we have to strip the protocol and host part.
+				// Browsers disallow that, and will reset the value to current page if attempted.
+				const referrer = URL.parse(extra.referrer);
+				requestInit.referrer = referrer.pathname + referrer.search + referrer.hash;
+				requestInit.referrerPolicy = "unsafe-url";
+			}
+
+			if (extra.headers) {
+				requestInit.headers = extra.headers;
+			}
+
+			return requestInit;
+		}
+
 		let check = function () {
 			if (clientIdleCount > 0) {
 				return;
-			};
+			}
 			clientIdleCount += 1;
 			console.log("Prepare", url);
 			let ws = new WebSocket(url);
@@ -29,12 +47,12 @@
 			// double-checking that this continues to work
 			ws.onmessage = function (event) {
 				clientIdleCount -= 1;
-				let [method, url, protocol] = event.data.split(" ");
-				switch (method) {
+				let task = JSON.parse(event.data);
+				switch (task.method) {
 					case "WS": {
 						upstreamWsCount += 1;
-						console.log("Dial WS", url, protocol);
-						const wss = new WebSocket(url, protocol);
+						console.log("Dial WS", task.url, task.extra.protocol);
+						const wss = new WebSocket(task.url, task.extra.protocol);
 						wss.binaryType = "arraybuffer";
 						let opened = false;
 						ws.onmessage = function (event) {
@@ -60,10 +78,12 @@
 							wss.close()
 						};
 						break;
-					};
+					}
 					case "GET": {
 						(async () => {
-							console.log("Dial GET", url);
+							const requestInit = prepareRequestInit(task.extra);
+
+							console.log("Dial GET", task.url);
 							ws.send("ok");
 							const controller = new AbortController();
 
@@ -83,58 +103,62 @@
 							ws.onclose = (event) => {
 								try {
 									reader && reader.cancel();
-								} catch(e) {};
+								} catch(e) {}
 
 								try {
 									controller.abort();
-								} catch(e) {};
+								} catch(e) {}
 							};
 
 							try {
 								upstreamGetCount += 1;
-								const response = await fetch(url, {signal: controller.signal});
+
+								requestInit.signal = controller.signal;
+								const response = await fetch(task.url, requestInit);
 
 								const body = await response.body;
 								reader = body.getReader();
 
 								while (true) {
 									const { done, value } = await reader.read();
-									ws.send(value);
+									if (value) ws.send(value);  // don't send back "undefined" string when received nothing
 									if (done) break;
-								};
+								}
 							} finally {
 								upstreamGetCount -= 1;
 								console.log("Dial GET DONE, remaining: ", upstreamGetCount);
 								ws.close();
-							};
+							}
 						})();
 						break;
-					};
+					}
 					case "POST": {
 						upstreamPostCount += 1;
-						console.log("Dial POST", url);
+
+						const requestInit = prepareRequestInit(task.extra);
+						requestInit.method = "POST";
+
+						console.log("Dial POST", task.url);
 						ws.send("ok");
 						ws.onmessage = async (event) => {
 							try {
-								const response = await fetch(
-									url,
-									{method: "POST", body: event.data}
-								);
+								requestInit.body = event.data;
+								const response = await fetch(task.url, requestInit);
 								if (response.ok) {
 									ws.send("ok");
 								} else {
 									console.error("bad status code");
 									ws.send("fail");
-								};
+								}
 							} finally {
 								upstreamPostCount -= 1;
 								console.log("Dial POST DONE, remaining: ", upstreamPostCount);
 								ws.close();
-							};
+							}
 						};
 						break;
-					};
-				};
+					}
+				}
 
 				check();
 			};

transport/internet/config.pb.go

@@ -448,7 +448,7 @@ type SocketConfig struct {
 	TcpWindowClamp             int32            `protobuf:"varint,15,opt,name=tcp_window_clamp,json=tcpWindowClamp,proto3" json:"tcp_window_clamp,omitempty"`
 	TcpUserTimeout             int32            `protobuf:"varint,16,opt,name=tcp_user_timeout,json=tcpUserTimeout,proto3" json:"tcp_user_timeout,omitempty"`
 	TcpMaxSeg                  int32            `protobuf:"varint,17,opt,name=tcp_max_seg,json=tcpMaxSeg,proto3" json:"tcp_max_seg,omitempty"`
-	TcpNoDelay                 bool             `protobuf:"varint,18,opt,name=tcp_no_delay,json=tcpNoDelay,proto3" json:"tcp_no_delay,omitempty"`
+	Penetrate                  bool             `protobuf:"varint,18,opt,name=penetrate,proto3" json:"penetrate,omitempty"`
 	TcpMptcp                   bool             `protobuf:"varint,19,opt,name=tcp_mptcp,json=tcpMptcp,proto3" json:"tcp_mptcp,omitempty"`
 	CustomSockopt              []*CustomSockopt `protobuf:"bytes,20,rep,name=customSockopt,proto3" json:"customSockopt,omitempty"`
 }
@@ -602,9 +602,9 @@ func (x *SocketConfig) GetTcpMaxSeg() int32 {
 	return 0
 }
 
-func (x *SocketConfig) GetTcpNoDelay() bool {
+func (x *SocketConfig) GetPenetrate() bool {
 	if x != nil {
-		return x.TcpNoDelay
+		return x.Penetrate
 	}
 	return false
 }
@@ -678,7 +678,7 @@ var file_transport_internet_config_proto_rawDesc = []byte{
 	0x28, 0x09, 0x52, 0x03, 0x6f, 0x70, 0x74, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65,
 	0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x12, 0x12, 0x0a,
 	0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x74, 0x79, 0x70,
-	0x65, 0x22, 0x9f, 0x07, 0x0a, 0x0c, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e, 0x66,
+	0x65, 0x22, 0x9b, 0x07, 0x0a, 0x0c, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e, 0x66,
 	0x69, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x6d, 0x61, 0x72, 0x6b, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05,
 	0x52, 0x04, 0x6d, 0x61, 0x72, 0x6b, 0x12, 0x10, 0x0a, 0x03, 0x74, 0x66, 0x6f, 0x18, 0x02, 0x20,
 	0x01, 0x28, 0x05, 0x52, 0x03, 0x74, 0x66, 0x6f, 0x12, 0x48, 0x0a, 0x06, 0x74, 0x70, 0x72, 0x6f,
@@ -724,36 +724,36 @@ var file_transport_internet_config_proto_rawDesc = []byte{
 	0x10, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0e, 0x74, 0x63, 0x70, 0x55, 0x73, 0x65, 0x72, 0x54, 0x69,
 	0x6d, 0x65, 0x6f, 0x75, 0x74, 0x12, 0x1e, 0x0a, 0x0b, 0x74, 0x63, 0x70, 0x5f, 0x6d, 0x61, 0x78,
 	0x5f, 0x73, 0x65, 0x67, 0x18, 0x11, 0x20, 0x01, 0x28, 0x05, 0x52, 0x09, 0x74, 0x63, 0x70, 0x4d,
-	0x61, 0x78, 0x53, 0x65, 0x67, 0x12, 0x20, 0x0a, 0x0c, 0x74, 0x63, 0x70, 0x5f, 0x6e, 0x6f, 0x5f,
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 }
 
 var (

transport/internet/config.proto

@@ -103,7 +103,7 @@ message SocketConfig {
   
   string interface = 13;
 
-  bool   v6only = 14;
+  bool v6only = 14;
 
   int32 tcp_window_clamp = 15;
 
@@ -111,7 +111,7 @@ message SocketConfig {
 
   int32 tcp_max_seg = 17;
 
-  bool tcp_no_delay = 18;
+  bool penetrate = 18;
 
   bool tcp_mptcp = 19;
 

transport/internet/reality/reality.go

@@ -180,12 +180,12 @@ func UClient(c net.Conn, config *Config, ctx context.Context, dest net.Destinati
 			prefix := []byte("https://" + uConn.ServerName)
 			maps.Lock()
 			if maps.maps == nil {
-				maps.maps = make(map[string]map[string]bool)
+				maps.maps = make(map[string]map[string]struct{})
 			}
 			paths := maps.maps[uConn.ServerName]
 			if paths == nil {
-				paths = make(map[string]bool)
-				paths[config.SpiderX] = true
+				paths = make(map[string]struct{})
+				paths[config.SpiderX] = struct{}{}
 				maps.maps[uConn.ServerName] = paths
 			}
 			firstURL := string(prefix) + getPathLocked(paths)
@@ -232,7 +232,7 @@ func UClient(c net.Conn, config *Config, ctx context.Context, dest net.Destinati
 					for _, m := range href.FindAllSubmatch(body, -1) {
 						m[1] = bytes.TrimPrefix(m[1], prefix)
 						if !bytes.Contains(m[1], dot) {
-							paths[string(m[1])] = true
+							paths[string(m[1])] = struct{}{}
 						}
 					}
 					req.URL.Path = getPathLocked(paths)
@@ -267,10 +267,10 @@ var (
 
 var maps struct {
 	sync.Mutex
-	maps map[string]map[string]bool
+	maps map[string]map[string]struct{}
 }
 
-func getPathLocked(paths map[string]bool) string {
+func getPathLocked(paths map[string]struct{}) string {
 	stopAt := int(randBetween(0, int64(len(paths)-1)))
 	i := 0
 	for s := range paths {