Chore: update dependencies

`header` value is type of string array
header:
  Accept:
    - 'application/vnd.github.v3.raw'
  Authorization:
    - ' token xxxxxxxxxxx'
  User-Agent:
    - 'Clash/v1.10.6'

`prefix-name` add a prefix to proxy name
prefix-name: 'XXX-'

.github/workflows/codeql-analysis.yml

@@ -1,9 +1,8 @@
-name: "CodeQL"
+name: CodeQL
 
 on:
   push:
-    branches: [ master, dev ]
-
+    branches: [ rm ]
 jobs:
   analyze:
     name: Analyze
@@ -12,11 +11,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language: [ 'go' ]
+        language: ['go']
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v1

.github/workflows/docker.yml

@@ -2,9 +2,8 @@ name: Publish Docker Image
 on:
   push:
     branches:
-      - dev
-    tags:
-      - '*'
+      - rm
+
 jobs:
 
   build:
@@ -13,7 +12,7 @@ jobs:
     steps:
 
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
@@ -46,17 +45,19 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           context: .
-          platforms: linux/amd64,linux/arm/v7,linux/arm64
+          platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
           push: true
           tags: 'dreamacro/clash:dev,ghcr.io/dreamacro/clash:dev'
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
 
       - name: Get all docker tags
         if: startsWith(github.ref, 'refs/tags/')
-        uses: actions/github-script@v4
+        uses: actions/github-script@v6
         id: tags
         with:
           script: |
-            const ref = `${context.payload.ref.replace(/\/?refs\/tags\//, '')}`
+            const ref = context.payload.ref.replace(/\/?refs\/tags\//, '')
             const tags = [
               'dreamacro/clash:latest',
               `dreamacro/clash:${ref}`,
@@ -71,6 +72,8 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           context: .
-          platforms: linux/amd64,linux/arm/v7,linux/arm64
+          platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
           push: true
           tags: ${{steps.tags.outputs.result}}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

.github/workflows/linter.yml

@@ -4,9 +4,19 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
+
+      - name: Get latest go version
+        id: version
+        run: |
+          echo ::set-output name=go_version::$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g')
+
+      - name: Setup Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ steps.version.outputs.go_version }}
+
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3
         with:
           version: latest
-          args: --disable-all -E govet -E gofumpt -E megacheck ./...

.github/workflows/release.yml

@@ -15,12 +15,20 @@ jobs:
           go-version: ${{ steps.version.outputs.go_version }}
 
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
+
+      - name: Go cache paths
+        id: go-cache-paths
+        run: |
+          echo "::set-output name=go-build::$(go env GOCACHE)"
+          echo "::set-output name=go-mod::$(go env GOMODCACHE)"
 
       - name: Cache go module
         uses: actions/cache@v2
         with:
-          path: ~/go/pkg/mod
+          path: |
+            ${{ steps.go-cache-paths.outputs.go-mod }}
+            ${{ steps.go-cache-paths.outputs.go-build }}
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
           restore-keys: |
             ${{ runner.os }}-go-
@@ -36,9 +44,30 @@ jobs:
           BINDIR: bin
         run: make -j releases
 
+      #- name: Prepare upload
+      #  run: |
+      #    echo "FILE_DATE=_$(date +"%Y%m%d%H%M")" >> $GITHUB_ENV
+      #    echo "FILE_SHA=$(git describe --tags --always 2>/dev/null)" >> $GITHUB_ENV
+      #
+      #- name: Upload files to Artifacts
+      #  uses: actions/upload-artifact@v2
+      #  if: startsWith(github.ref, 'refs/tags/') == false
+      #  with:
+      #    name: clash_${{ env.FILE_SHA }}${{ env.FILE_DATE }}
+      #    path: |
+      #      bin/*
+
       - name: Upload Release
         uses: softprops/action-gh-release@v1
         if: startsWith(github.ref, 'refs/tags/')
         with:
           files: bin/*
           draft: true
+          prerelease: true
+          generate_release_notes: true
+
+      #- name: Delete workflow runs
+      #  uses: GitRML/delete-workflow-runs@main
+      #  with:
+      #    retain_days: 1
+      #    keep_minimum_runs: 2

.github/workflows/stale.yml

@@ -2,8 +2,9 @@
 name: Mark stale issues and pull requests
 
 on:
-  schedule:
-    - cron: "30 1 * * *"
+  push:
+    branches:
+      - rm
 
 jobs:
   stale:
@@ -11,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/stale@v4
+      - uses: actions/stale@v5
         with:
           stale-issue-message: 'This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 5 days'
           days-before-stale: 60

.golangci.yaml

@@ -0,0 +1,16 @@
+linters:
+  disable-all: true
+  enable:
+    - gofumpt
+    - staticcheck
+    - govet
+    - gci
+
+linters-settings:
+  gci:
+    sections:
+      - standard
+      - prefix(github.com/Dreamacro/clash)
+      - default
+  staticcheck:
+    go: '1.18'

Dockerfile

@@ -12,7 +12,7 @@ RUN go mod download && \
 FROM alpine:latest
 LABEL org.opencontainers.image.source="https://github.com/Dreamacro/clash"
 
-RUN apk add --no-cache ca-certificates
+RUN apk add --no-cache ca-certificates tzdata
 COPY --from=builder /Country.mmdb /root/.config/clash/
 COPY --from=builder /clash /
 ENTRYPOINT ["/clash"]

Makefile

@@ -1,6 +1,6 @@
 NAME=clash
 BINDIR=bin
-VERSION=$(shell git describe --tags || echo "unknown version")
+VERSION=$(shell git describe --tags --always 2>/dev/null || echo "unknown version")
 BUILDTIME=$(shell date -u)
 GOBUILD=CGO_ENABLED=0 go build -trimpath -ldflags '-X "github.com/Dreamacro/clash/constant.Version=$(VERSION)" \
 		-X "github.com/Dreamacro/clash/constant.BuildTime=$(BUILDTIME)" \
@@ -8,9 +8,11 @@ GOBUILD=CGO_ENABLED=0 go build -trimpath -ldflags '-X "github.com/Dreamacro/clas
 
 PLATFORM_LIST = \
 	darwin-amd64 \
+	darwin-amd64-v3 \
 	darwin-arm64 \
 	linux-386 \
 	linux-amd64 \
+	linux-amd64-v3 \
 	linux-armv5 \
 	linux-armv6 \
 	linux-armv7 \
@@ -23,11 +25,13 @@ PLATFORM_LIST = \
 	linux-mips64le \
 	freebsd-386 \
 	freebsd-amd64 \
+	freebsd-amd64-v3 \
 	freebsd-arm64
 
 WINDOWS_ARCH_LIST = \
 	windows-386 \
 	windows-amd64 \
+	windows-amd64-v3 \
 	windows-arm64 \
 	windows-arm32v7
 
@@ -39,6 +43,9 @@ docker:
 darwin-amd64:
 	GOARCH=amd64 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
+darwin-amd64-v3:
+	GOARCH=amd64 GOOS=darwin GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+
 darwin-arm64:
 	GOARCH=arm64 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
@@ -48,6 +55,9 @@ linux-386:
 linux-amd64:
 	GOARCH=amd64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
+linux-amd64-v3:
+	GOARCH=amd64 GOOS=linux GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+
 linux-armv5:
 	GOARCH=arm GOOS=linux GOARM=5 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
@@ -84,6 +94,9 @@ freebsd-386:
 freebsd-amd64:
 	GOARCH=amd64 GOOS=freebsd $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
+freebsd-amd64-v3:
+	GOARCH=amd64 GOOS=freebsd GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
+
 freebsd-arm64:
 	GOARCH=arm64 GOOS=freebsd $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
 
@@ -93,6 +106,9 @@ windows-386:
 windows-amd64:
 	GOARCH=amd64 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
+windows-amd64-v3:
+	GOARCH=amd64 GOOS=windows GOAMD64=v3 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
+
 windows-arm64:
 	GOARCH=arm64 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
 
@@ -113,8 +129,15 @@ all-arch: $(PLATFORM_LIST) $(WINDOWS_ARCH_LIST)
 
 releases: $(gz_releases) $(zip_releases)
 
+vet:
+	go test ./...
+
 lint:
-	golangci-lint run --disable-all -E govet -E gofumpt -E megacheck ./...
+	GOOS=darwin golangci-lint run ./...
+	GOOS=windows golangci-lint run ./...
+	GOOS=linux golangci-lint run ./...
+	GOOS=freebsd golangci-lint run ./...
+	GOOS=openbsd golangci-lint run ./...
 
 clean:
-	rm $(BINDIR)/*
+	rm -rf $(BINDIR)/*

README.md

@@ -13,11 +13,11 @@
     <img src="https://goreportcard.com/badge/github.com/Dreamacro/clash?style=flat-square">
   </a>
   <img src="https://img.shields.io/github/go-mod/go-version/Dreamacro/clash?style=flat-square">
-  <a href="https://github.com/Dreamacro/clash/releases">
-    <img src="https://img.shields.io/github/release/Dreamacro/clash/all.svg?style=flat-square">
+  <a href="https://github.com/yaling888/clash/releases">
+    <img src="https://img.shields.io/github/release/yaling888/clash/all.svg?style=flat-square">
   </a>
-  <a href="https://github.com/Dreamacro/clash/releases/tag/premium">
-    <img src="https://img.shields.io/badge/release-Premium-00b4f0?style=flat-square">
+  <a href="https://github.com/yaling888/clash/releases/tag/plus_pro">
+    <img src="https://img.shields.io/badge/release-Plus Pro-00b4f0?style=flat-square">
   </a>
 </p>
 
@@ -32,17 +32,338 @@
 - Netfilter TCP redirecting. Deploy Clash on your Internet gateway with `iptables`.
 - Comprehensive HTTP RESTful API controller
 
-## Premium Features
-
-- TUN mode on macOS, Linux and Windows. [Doc](https://github.com/Dreamacro/clash/wiki/premium-core-features#tun-device)
-- Match your tunnel by [Script](https://github.com/Dreamacro/clash/wiki/premium-core-features#script)
-- [Rule Provider](https://github.com/Dreamacro/clash/wiki/premium-core-features#rule-providers)
-
 ## Getting Started
 Documentations are now moved to [GitHub Wiki](https://github.com/Dreamacro/clash/wiki).
 
-## Premium Release
-[Release](https://github.com/Dreamacro/clash/releases/tag/premium)
+## Advanced usage for this branch
+### General configuration
+```yaml
+sniffing: true # Sniff TLS SNI
+
+force-cert-verify: true # force verify TLS Certificate, prevent machine-in-the-middle attacks
+```
+
+### MITM configuration
+A root CA certificate is required, the 
+MITM proxy server will generate a CA certificate file and a CA private key file in your Clash home directory, you can use your own certificate replace it. 
+
+Need to install and trust the CA certificate on the client device, open this URL [http://mitm.clash/cert.crt](http://mitm.clash/cert.crt) by the web browser to install the CA certificate, the host name 'mitm.clash' was always been hijacked.
+
+NOTE: this feature cannot work on tls pinning
+
+WARNING: DO NOT USE THIS FEATURE TO BREAK LOCAL LAWS
+
+```yaml
+# Port of MITM proxy server on the local end
+mitm-port: 7894
+
+# Man-In-The-Middle attack
+mitm:
+  hosts: # use for others proxy type. E.g: TUN, socks
+    - +.example.com
+  rules: # rewrite rules
+    - '^https?://www\.example\.com/1 url reject' # The "reject" returns HTTP status code 404 with no content.
+    - '^https?://www\.example\.com/2 url reject-200' # The "reject-200" returns HTTP status code 200 with no content.
+    - '^https?://www\.example\.com/3 url reject-img' # The "reject-img" returns HTTP status code 200 with content of 1px png.
+    - '^https?://www\.example\.com/4 url reject-dict' # The "reject-dict" returns HTTP status code 200 with content of empty json object.
+    - '^https?://www\.example\.com/5 url reject-array' # The "reject-array" returns HTTP status code 200 with content of empty json array.
+    - '^https?://www\.example\.com/(6) url 302 https://www.example.com/new-$1'
+    - '^https?://www\.(example)\.com/7 url 307 https://www.$1.com/new-7'
+    - '^https?://www\.example\.com/8 url request-header (\r\n)User-Agent:.+(\r\n) request-header $1User-Agent: haha-wriohoh$2' # The "request-header" works for all the http headers not just one single header, so you can match two or more headers including CRLF in one regular expression.
+    - '^https?://www\.example\.com/9 url request-body "pos_2":\[.*\],"pos_3" request-body "pos_2":[{"xx": "xx"}],"pos_3"'
+    - '^https?://www\.example\.com/10 url response-header (\r\n)Tracecode:.+(\r\n) response-header $1Tracecode: 88888888888$2'
+    - '^https?://www\.example\.com/11 url response-body "errmsg":"ok" response-body "errmsg":"not-ok"'
+```
+
+### DNS configuration
+Support resolve ip with a proxy tunnel or interface.
+
+Support `geosite` with `fallback-filter`.
+
+Use `curl -X POST controllerip:port/cache/fakeip/flush` to flush persistence fakeip
+ ```yaml
+ dns:
+   enable: true
+   use-hosts: true
+   ipv6: false
+   enhanced-mode: fake-ip
+   fake-ip-range: 198.18.0.1/16
+   listen: 127.0.0.1:6868
+   default-nameserver:
+     - 119.29.29.29
+     - 114.114.114.114
+   nameserver:
+     - https://doh.pub/dns-query
+     - tls://223.5.5.5:853
+   fallback:
+     - 'tls://8.8.4.4:853#proxy or interface'
+     - 'https://1.0.0.1/dns-query#Proxy'  # append the proxy adapter name to the end of DNS URL with '#' prefix.
+   fallback-filter:
+     geoip: false
+     geosite:
+       - gfw  # `geosite` filter only use fallback server to resolve ip, prevent DNS leaks to untrusted DNS providers.
+     domain:
+       - +.example.com
+     ipcidr:
+       - 0.0.0.0/32
+ ```
+
+### TUN configuration
+Simply add the following to the main configuration:
+
+#### NOTE:
+> auto-route and auto-detect-interface only available on macOS, Windows and Linux, receive IPv4 traffic
+
+```yaml
+tun:
+  enable: true
+  stack: system # or gvisor
+  # device: tun://utun8 # or fd://xxx, it's optional
+  # dns-hijack:
+  #   - 8.8.8.8:53
+  #   - tcp://8.8.8.8:53
+  #   - any:53
+  #   - tcp://any:53
+  auto-route: true # auto set global route
+  auto-detect-interface: true # conflict with interface-name
+```
+or
+```yaml
+interface-name: en0
+
+tun:
+  enable: true
+  stack: system # or gvisor
+  # dns-hijack:
+  #   - 8.8.8.8:53
+  #   - tcp://8.8.8.8:53
+  auto-route: true # auto set global route
+```
+It's recommended to use fake-ip mode for the DNS server.
+
+Clash needs elevated permission to create TUN device:
+```sh
+$ sudo ./clash
+```
+Then manually create the default route and DNS server. If your device already has some TUN device, Clash TUN might not work. In this case, fake-ip-filter may helpful.
+
+Enjoy! :)
+
+#### For Windows:
+```yaml
+tun:
+  enable: true
+  stack: gvisor # or system
+  dns-hijack:
+    - 198.18.0.2:53 # when `fake-ip-range` is 198.18.0.1/16, should hijack 198.18.0.2:53
+  auto-route: true # auto set global route for Windows
+  # It is recommended to use `interface-name`
+  auto-detect-interface: true # auto detect interface, conflict with `interface-name`
+```
+Finally, open the Clash
+
+### Rules configuration
+- Support rule `GEOSITE`.
+- Support rule `USER-AGENT`.
+- Support `multiport` condition for rule `SRC-PORT` and `DST-PORT`.
+- Support `network` condition for all rules.
+- Support `process` condition for all rules.
+- Support source IPCIDR condition for all rules, just append to the end.
+
+The `GEOIP` databases via [https://github.com/Loyalsoldier/geoip](https://raw.githubusercontent.com/Loyalsoldier/geoip/release/Country.mmdb).
+
+The `GEOSITE` databases via [https://github.com/Loyalsoldier/v2ray-rules-dat](https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat).
+```yaml
+rules:
+  # network condition for all rules
+  - DOMAIN-SUFFIX,example.com,DIRECT,tcp
+  - DOMAIN-SUFFIX,example.com,REJECT,udp
+
+  # process condition for all rules (add 'P:' prefix)
+  - DOMAIN-SUFFIX,example.com,REJECT,P:Google Chrome Helper
+
+  # multiport condition for rules SRC-PORT and DST-PORT
+  - DST-PORT,123/136/137-139,DIRECT,udp
+
+  # USER-AGENT payload cannot include the comma character, '*' meaning any character.
+  - USER-AGENT,*example*,PROXY
+
+  # rule GEOSITE
+  - GEOSITE,category-ads-all,REJECT
+  - GEOSITE,icloud@cn,DIRECT
+  - GEOSITE,apple@cn,DIRECT
+  - GEOSITE,apple-cn,DIRECT
+  - GEOSITE,microsoft@cn,DIRECT
+  - GEOSITE,facebook,PROXY
+  - GEOSITE,youtube,PROXY
+  - GEOSITE,geolocation-cn,DIRECT
+  - GEOSITE,geolocation-!cn,PROXY
+
+  # source IPCIDR condition for all rules in gateway proxy
+  #- GEOSITE,geolocation-!cn,REJECT,192.168.1.88/32,192.168.1.99/32
+  
+  - GEOIP,telegram,PROXY,no-resolve
+  - GEOIP,lan,DIRECT,no-resolve
+  - GEOIP,cn,DIRECT
+
+  - MATCH,PROXY
+```
+
+### Proxies configuration
+Support outbound protocol `VLESS`.
+
+Support `Trojan` with XTLS.
+
+Support relay `UDP` traffic.
+
+Support filtering proxy providers in proxy groups.
+
+Support custom http request header, prefix name and V2Ray subscription URL in proxy providers.
+```yaml
+proxies:
+  # VLESS
+  - name: "vless-tls"
+    type: vless
+    server: server
+    port: 443
+    uuid: uuid
+    network: tcp
+    servername: example.com
+    udp: true
+    # skip-cert-verify: true
+  - name: "vless-xtls"
+    type: vless
+    server: server
+    port: 443
+    uuid: uuid
+    network: tcp
+    servername: example.com
+    flow: xtls-rprx-direct # or xtls-rprx-origin
+    # flow-show: true # print the XTLS direction log
+    # udp: true
+    # skip-cert-verify: true
+
+  # Trojan
+  - name: "trojan-xtls"
+    type: trojan
+    server: server
+    port: 443
+    password: yourpsk
+    network: tcp
+    flow: xtls-rprx-direct # or xtls-rprx-origin
+    # flow-show: true # print the XTLS direction log
+    # udp: true
+    # sni: example.com # aka server name
+    # skip-cert-verify: true
+
+proxy-groups:
+  # Relay chains the proxies. proxies shall not contain a relay.
+  # Support relay UDP traffic.
+  # Traffic: clash <-> ss1 <-> trojan <-> vmess <-> ss2 <-> Internet
+  - name: "relay-udp-over-tcp"
+    type: relay
+    proxies:
+      - ss1
+      - trojan
+      - vmess
+      - ss2
+
+  - name: "relay-raw-udp"
+    type: relay
+    proxies:
+      - ss1
+      - ss2
+      - ss3
+        
+  - name: "filtering-proxy-providers"
+    type: url-test
+    url: "http://www.gstatic.com/generate_204"
+    interval: 300
+    tolerance: 200
+    # lazy: true
+    filter: "XXX" # a regular expression
+    use:
+      - provider1
+
+proxy-providers:
+  provider1:
+    type: http
+    url: "url" # support V2Ray subscription URL
+    interval: 3600
+    path: ./providers/provider1.yaml
+    # filter: "xxx"
+    # prefix-name: "XXX-"
+    header:  # custom http request header
+      User-Agent:
+        - "Clash/v1.10.6"
+    #   Accept:
+    #     - 'application/vnd.github.v3.raw'
+    #   Authorization:
+    #     - ' token xxxxxxxxxxx'
+    health-check:
+      enable: false
+      interval: 1200
+      # lazy: false # default value is true
+      url: http://www.gstatic.com/generate_204
+```
+
+### IPTABLES configuration
+Work on Linux OS who's supported `iptables`
+
+```yaml
+# Enable the TPROXY listener
+tproxy-port: 9898
+
+iptables:
+  enable: true # default is false
+  inbound-interface: eth0 # detect the inbound interface, default is 'lo'
+```
+Run Clash as a daemon.
+
+Create the systemd configuration file at /etc/systemd/system/clash.service:
+```sh
+[Unit]
+Description=Clash daemon, A rule-based proxy in Go.
+After=network.target
+
+[Service]
+Type=simple
+CapabilityBoundingSet=cap_net_admin
+Restart=always
+ExecStart=/usr/local/bin/clash -d /etc/clash
+
+[Install]
+WantedBy=multi-user.target
+```
+Launch clashd on system startup with:
+```sh
+$ systemctl enable clash
+```
+Launch clashd immediately with:
+```sh
+$ systemctl start clash
+```
+
+### Display Process name
+To display process name online by click [http://yacd.clash-plus.cf](http://yacd.clash-plus.cf) for local API by Safari or [https://yacd.clash-plus.cf](https://yacd.clash-plus.cf) for local API by Chrome.
+
+You can download the [Dashboard](https://github.com/yaling888/yacd/archive/gh-pages.zip) into Clash home directory:
+```sh
+$ cd ~/.config/clash
+$ curl -LJ https://github.com/yaling888/yacd/archive/gh-pages.zip -o yacd-gh-pages.zip
+$ unzip yacd-gh-pages.zip
+$ mv yacd-gh-pages dashboard
+```
+
+Add to config file:
+```yaml
+external-controller: 127.0.0.1:9090
+external-ui: dashboard
+```
+Open [http://127.0.0.1:9090/ui/](http://127.0.0.1:9090/ui/) by web browser.
+
+## Plus Pro Release
+[Release](https://github.com/yaling888/clash/releases/tag/plus_pro)
 
 ## Development
 If you want to build an application that uses clash as a library, check out the the [GitHub Wiki](https://github.com/Dreamacro/clash/wiki/use-clash-as-a-library)

adapter/adapter.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"net"
 	"net/http"
+	"net/netip"
 	"net/url"
 	"time"
 
@@ -18,7 +19,7 @@ import (
 
 type Proxy struct {
 	C.ProxyAdapter
-	history *queue.Queue
+	history *queue.Queue[C.DelayHistory]
 	alive   *atomic.Bool
 }
 
@@ -57,10 +58,10 @@ func (p *Proxy) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 
 // DelayHistory implements C.Proxy
 func (p *Proxy) DelayHistory() []C.DelayHistory {
-	queue := p.history.Copy()
+	queueM := p.history.Copy()
 	histories := []C.DelayHistory{}
-	for _, item := range queue {
-		histories = append(histories, item.(C.DelayHistory))
+	for _, item := range queueM {
+		histories = append(histories, item)
 	}
 	return histories
 }
@@ -73,11 +74,7 @@ func (p *Proxy) LastDelay() (delay uint16) {
 		return max
 	}
 
-	last := p.history.Last()
-	if last == nil {
-		return max
-	}
-	history := last.(C.DelayHistory)
+	history := p.history.Last()
 	if history.Delay == 0 {
 		return max
 	}
@@ -91,8 +88,8 @@ func (p *Proxy) MarshalJSON() ([]byte, error) {
 		return inner, err
 	}
 
-	mapping := map[string]interface{}{}
-	json.Unmarshal(inner, &mapping)
+	mapping := map[string]any{}
+	_ = json.Unmarshal(inner, &mapping)
 	mapping["history"] = p.DelayHistory()
 	mapping["name"] = p.Name()
 	mapping["udp"] = p.SupportUDP()
@@ -124,7 +121,9 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
 	if err != nil {
 		return
 	}
-	defer instance.Close()
+	defer func() {
+		_ = instance.Close()
+	}()
 
 	req, err := http.NewRequest(http.MethodHead, url, nil)
 	if err != nil {
@@ -133,7 +132,7 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
 	req = req.WithContext(ctx)
 
 	transport := &http.Transport{
-		Dial: func(string, string) (net.Conn, error) {
+		DialContext: func(context.Context, string, string) (net.Conn, error) {
 			return instance, nil
 		},
 		// from http.DefaultTransport
@@ -155,13 +154,13 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
 	if err != nil {
 		return
 	}
-	resp.Body.Close()
+	_ = resp.Body.Close()
 	t = uint16(time.Since(start) / time.Millisecond)
 	return
 }
 
 func NewProxy(adapter C.ProxyAdapter) *Proxy {
-	return &Proxy{adapter, queue.New(10), atomic.NewBool(true)}
+	return &Proxy{adapter, queue.New[C.DelayHistory](10), atomic.NewBool(true)}
 }
 
 func urlToMetadata(rawURL string) (addr C.Metadata, err error) {
@@ -186,7 +185,7 @@ func urlToMetadata(rawURL string) (addr C.Metadata, err error) {
 	addr = C.Metadata{
 		AddrType: C.AtypDomainName,
 		Host:     u.Hostname(),
-		DstIP:    nil,
+		DstIP:    netip.Addr{},
 		DstPort:  port,
 	}
 	return

adapter/inbound/mitm.go

@@ -0,0 +1,22 @@
+package inbound
+
+import (
+	"net"
+
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/context"
+	"github.com/Dreamacro/clash/transport/socks5"
+)
+
+// NewMitm receive mitm request and return MitmContext
+func NewMitm(target socks5.Addr, source net.Addr, userAgent string, conn net.Conn) *context.ConnContext {
+	metadata := parseSocksAddr(target)
+	metadata.NetWork = C.TCP
+	metadata.Type = C.MITM
+	metadata.UserAgent = userAgent
+	if ip, port, err := parseAddr(source.String()); err == nil {
+		metadata.SrcIP = ip
+		metadata.SrcPort = port
+	}
+	return context.NewConnContext(conn, metadata)
+}

adapter/inbound/util.go

@@ -3,9 +3,11 @@ package inbound
 import (
 	"net"
 	"net/http"
+	"net/netip"
 	"strconv"
 	"strings"
 
+	"github.com/Dreamacro/clash/common/nnip"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/socks5"
 )
@@ -21,12 +23,10 @@ func parseSocksAddr(target socks5.Addr) *C.Metadata {
 		metadata.Host = strings.TrimRight(string(target[2:2+target[1]]), ".")
 		metadata.DstPort = strconv.Itoa((int(target[2+target[1]]) << 8) | int(target[2+target[1]+1]))
 	case socks5.AtypIPv4:
-		ip := net.IP(target[1 : 1+net.IPv4len])
-		metadata.DstIP = ip
+		metadata.DstIP = nnip.IpToAddr(net.IP(target[1 : 1+net.IPv4len]))
 		metadata.DstPort = strconv.Itoa((int(target[1+net.IPv4len]) << 8) | int(target[1+net.IPv4len+1]))
 	case socks5.AtypIPv6:
-		ip := net.IP(target[1 : 1+net.IPv6len])
-		metadata.DstIP = ip
+		metadata.DstIP = nnip.IpToAddr(net.IP(target[1 : 1+net.IPv6len]))
 		metadata.DstPort = strconv.Itoa((int(target[1+net.IPv6len]) << 8) | int(target[1+net.IPv6len+1]))
 	}
 
@@ -47,14 +47,14 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
 		NetWork:  C.TCP,
 		AddrType: C.AtypDomainName,
 		Host:     host,
-		DstIP:    nil,
+		DstIP:    netip.Addr{},
 		DstPort:  port,
 	}
 
-	ip := net.ParseIP(host)
-	if ip != nil {
+	ip, err := netip.ParseAddr(host)
+	if err == nil {
 		switch {
-		case ip.To4() == nil:
+		case ip.Is6():
 			metadata.AddrType = C.AtypIPv6
 		default:
 			metadata.AddrType = C.AtypIPv4
@@ -65,12 +65,12 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
 	return metadata
 }
 
-func parseAddr(addr string) (net.IP, string, error) {
+func parseAddr(addr string) (netip.Addr, string, error) {
 	host, port, err := net.SplitHostPort(addr)
 	if err != nil {
-		return nil, "", err
+		return netip.Addr{}, "", err
 	}
 
-	ip := net.ParseIP(host)
-	return ip, port, nil
+	ip, err := netip.ParseAddr(host)
+	return ip, port, err
 }

adapter/outbound/base.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
+	"io"
 	"net"
 
 	"github.com/Dreamacro/clash/component/dialer"
@@ -30,12 +31,17 @@ func (b *Base) Type() C.AdapterType {
 }
 
 // StreamConn implements C.ProxyAdapter
-func (b *Base) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
+func (b *Base) StreamConn(c net.Conn, _ *C.Metadata) (net.Conn, error) {
+	return c, errors.New("no support")
+}
+
+// StreamPacketConn implements C.ProxyAdapter
+func (b *Base) StreamPacketConn(c net.Conn, _ *C.Metadata) (net.Conn, error) {
 	return c, errors.New("no support")
 }
 
 // ListenPacketContext implements C.ProxyAdapter
-func (b *Base) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
+func (b *Base) ListenPacketContext(_ context.Context, _ *C.Metadata, _ ...dialer.Option) (C.PacketConn, error) {
 	return nil, errors.New("no support")
 }
 
@@ -57,7 +63,7 @@ func (b *Base) Addr() string {
 }
 
 // Unwrap implements C.ProxyAdapter
-func (b *Base) Unwrap(metadata *C.Metadata) C.Proxy {
+func (b *Base) Unwrap(_ *C.Metadata) C.Proxy {
 	return nil
 }
 
@@ -133,6 +139,40 @@ func (c *packetConn) AppendToChains(a C.ProxyAdapter) {
 	c.chain = append(c.chain, a.Name())
 }
 
-func newPacketConn(pc net.PacketConn, a C.ProxyAdapter) C.PacketConn {
+func NewPacketConn(pc net.PacketConn, a C.ProxyAdapter) C.PacketConn {
 	return &packetConn{pc, []string{a.Name()}}
 }
+
+type wrapConn struct {
+	net.PacketConn
+}
+
+func (*wrapConn) Read([]byte) (int, error) {
+	return 0, io.EOF
+}
+
+func (*wrapConn) Write([]byte) (int, error) {
+	return 0, io.EOF
+}
+
+func (*wrapConn) RemoteAddr() net.Addr {
+	return nil
+}
+
+func WrapConn(packetConn net.PacketConn) net.Conn {
+	return &wrapConn{
+		PacketConn: packetConn,
+	}
+}
+
+func IsPacketConn(c net.Conn) bool {
+	if _, ok := c.(net.PacketConn); !ok {
+		return false
+	}
+
+	if ua, ok := c.LocalAddr().(*net.UnixAddr); ok {
+		return ua.Net == "unixgram"
+	}
+
+	return true
+}

adapter/outbound/direct.go

@@ -3,6 +3,7 @@ package outbound
 import (
 	"context"
 	"net"
+	"net/netip"
 
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
@@ -14,21 +15,31 @@ type Direct struct {
 
 // DialContext implements C.ProxyAdapter
 func (d *Direct) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
+	opts = append(opts, dialer.WithDirect())
 	c, err := dialer.DialContext(ctx, "tcp", metadata.RemoteAddress(), d.Base.DialOptions(opts...)...)
 	if err != nil {
 		return nil, err
 	}
+
 	tcpKeepAlive(c)
+
+	if !metadata.Resolved() && c.RemoteAddr() != nil {
+		if h, _, err := net.SplitHostPort(c.RemoteAddr().String()); err == nil {
+			metadata.DstIP = netip.MustParseAddr(h)
+		}
+	}
+
 	return NewConn(c, d), nil
 }
 
 // ListenPacketContext implements C.ProxyAdapter
-func (d *Direct) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
+func (d *Direct) ListenPacketContext(ctx context.Context, _ *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
+	opts = append(opts, dialer.WithDirect())
 	pc, err := dialer.ListenPacket(ctx, "udp", "", d.Base.DialOptions(opts...)...)
 	if err != nil {
 		return nil, err
 	}
-	return newPacketConn(&directPacketConn{pc}, d), nil
+	return NewPacketConn(&directPacketConn{pc}, d), nil
 }
 
 type directPacketConn struct {

adapter/outbound/http.go

@@ -89,6 +89,10 @@ func (h *Http) shakeHand(metadata *C.Metadata, rw io.ReadWriter) error {
 		req.Header.Add("Proxy-Authorization", "Basic "+base64.StdEncoding.EncodeToString([]byte(auth)))
 	}
 
+	if metadata.Type == C.MITM {
+		req.Header.Set("Origin-Request-Source-Address", metadata.SourceAddress())
+	}
+
 	if err := req.Write(rw); err != nil {
 		return err
 	}
@@ -136,6 +140,7 @@ func NewHttp(option HttpOption) *Http {
 			addr:  net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
 			tp:    C.Http,
 			iface: option.Interface,
+			rmark: option.RoutingMark,
 		},
 		user:      option.UserName,
 		pass:      option.Password,

adapter/outbound/mitm.go

@@ -0,0 +1,50 @@
+package outbound
+
+import (
+	"context"
+	"net"
+	"time"
+
+	"github.com/Dreamacro/clash/component/dialer"
+	C "github.com/Dreamacro/clash/constant"
+)
+
+type Mitm struct {
+	*Base
+	serverAddr      *net.TCPAddr
+	httpProxyClient *Http
+}
+
+// DialContext implements C.ProxyAdapter
+func (m *Mitm) DialContext(_ context.Context, metadata *C.Metadata, _ ...dialer.Option) (C.Conn, error) {
+	c, err := net.DialTCP("tcp", nil, m.serverAddr)
+	if err != nil {
+		return nil, err
+	}
+
+	_ = c.SetKeepAlive(true)
+	_ = c.SetKeepAlivePeriod(60 * time.Second)
+	_ = c.SetLinger(0)
+
+	metadata.Type = C.MITM
+
+	hc, err := m.httpProxyClient.StreamConn(c, metadata)
+	if err != nil {
+		_ = c.Close()
+		return nil, err
+	}
+
+	return NewConn(hc, m), nil
+}
+
+func NewMitm(serverAddr string) *Mitm {
+	tcpAddr, _ := net.ResolveTCPAddr("tcp", serverAddr)
+	return &Mitm{
+		Base: &Base{
+			name: "Mitm",
+			tp:   C.Mitm,
+		},
+		serverAddr:      tcpAddr,
+		httpProxyClient: NewHttp(HttpOption{}),
+	}
+}

adapter/outbound/reject.go

@@ -2,27 +2,53 @@ package outbound
 
 import (
 	"context"
-	"errors"
 	"io"
 	"net"
 	"time"
 
+	"github.com/Dreamacro/clash/common/cache"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
 )
 
+const (
+	rejectCountLimit = 50
+	rejectDelay      = time.Second * 35
+)
+
+var rejectCounter = cache.NewLRUCache[string, int](cache.WithAge[string, int](15), cache.WithStale[string, int](false), cache.WithSize[string, int](512))
+
 type Reject struct {
 	*Base
 }
 
 // DialContext implements C.ProxyAdapter
 func (r *Reject) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
-	return NewConn(&NopConn{}, r), nil
+	key := metadata.RemoteAddress()
+
+	count, existed := rejectCounter.Get(key)
+	if !existed {
+		count = 0
+	}
+
+	count = count + 1
+
+	rejectCounter.Set(key, count)
+
+	if count > rejectCountLimit {
+		c, _ := net.Pipe()
+
+		_ = c.SetDeadline(time.Now().Add(rejectDelay))
+
+		return NewConn(c, r), nil
+	}
+
+	return NewConn(&nopConn{}, r), nil
 }
 
 // ListenPacketContext implements C.ProxyAdapter
 func (r *Reject) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
-	return nil, errors.New("match reject rule")
+	return NewPacketConn(&nopPacketConn{}, r), nil
 }
 
 func NewReject() *Reject {
@@ -35,30 +61,29 @@ func NewReject() *Reject {
 	}
 }
 
-type NopConn struct{}
+type nopConn struct{}
 
-func (rw *NopConn) Read(b []byte) (int, error) {
+func (rw *nopConn) Read(b []byte) (int, error) {
 	return 0, io.EOF
 }
 
-func (rw *NopConn) Write(b []byte) (int, error) {
+func (rw *nopConn) Write(b []byte) (int, error) {
 	return 0, io.EOF
 }
 
-// Close is fake function for net.Conn
-func (rw *NopConn) Close() error { return nil }
+func (rw *nopConn) Close() error                     { return nil }
+func (rw *nopConn) LocalAddr() net.Addr              { return nil }
+func (rw *nopConn) RemoteAddr() net.Addr             { return nil }
+func (rw *nopConn) SetDeadline(time.Time) error      { return nil }
+func (rw *nopConn) SetReadDeadline(time.Time) error  { return nil }
+func (rw *nopConn) SetWriteDeadline(time.Time) error { return nil }
 
-// LocalAddr is fake function for net.Conn
-func (rw *NopConn) LocalAddr() net.Addr { return nil }
+type nopPacketConn struct{}
 
-// RemoteAddr is fake function for net.Conn
-func (rw *NopConn) RemoteAddr() net.Addr { return nil }
-
-// SetDeadline is fake function for net.Conn
-func (rw *NopConn) SetDeadline(time.Time) error { return nil }
-
-// SetReadDeadline is fake function for net.Conn
-func (rw *NopConn) SetReadDeadline(time.Time) error { return nil }
-
-// SetWriteDeadline is fake function for net.Conn
-func (rw *NopConn) SetWriteDeadline(time.Time) error { return nil }
+func (npc *nopPacketConn) WriteTo(b []byte, addr net.Addr) (n int, err error) { return len(b), nil }
+func (npc *nopPacketConn) ReadFrom(b []byte) (int, net.Addr, error)           { return 0, nil, io.EOF }
+func (npc *nopPacketConn) Close() error                                       { return nil }
+func (npc *nopPacketConn) LocalAddr() net.Addr                                { return &net.UDPAddr{IP: net.IPv4zero, Port: 0} }
+func (npc *nopPacketConn) SetDeadline(time.Time) error                        { return nil }
+func (npc *nopPacketConn) SetReadDeadline(time.Time) error                    { return nil }
+func (npc *nopPacketConn) SetWriteDeadline(time.Time) error                   { return nil }

adapter/outbound/shadowsocks.go

@@ -10,11 +10,10 @@ import (
 	"github.com/Dreamacro/clash/common/structure"
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/transport/shadowsocks/core"
 	obfs "github.com/Dreamacro/clash/transport/simple-obfs"
 	"github.com/Dreamacro/clash/transport/socks5"
 	v2rayObfs "github.com/Dreamacro/clash/transport/v2ray-plugin"
-
-	"github.com/Dreamacro/go-shadowsocks2/core"
 )
 
 type ShadowSocks struct {
@@ -29,14 +28,14 @@ type ShadowSocks struct {
 
 type ShadowSocksOption struct {
 	BasicOption
-	Name       string                 `proxy:"name"`
-	Server     string                 `proxy:"server"`
-	Port       int                    `proxy:"port"`
-	Password   string                 `proxy:"password"`
-	Cipher     string                 `proxy:"cipher"`
-	UDP        bool                   `proxy:"udp,omitempty"`
-	Plugin     string                 `proxy:"plugin,omitempty"`
-	PluginOpts map[string]interface{} `proxy:"plugin-opts,omitempty"`
+	Name       string         `proxy:"name"`
+	Server     string         `proxy:"server"`
+	Port       int            `proxy:"port"`
+	Password   string         `proxy:"password"`
+	Cipher     string         `proxy:"cipher"`
+	UDP        bool           `proxy:"udp,omitempty"`
+	Plugin     string         `proxy:"plugin,omitempty"`
+	PluginOpts map[string]any `proxy:"plugin-opts,omitempty"`
 }
 
 type simpleObfsOption struct {
@@ -74,6 +73,21 @@ func (ss *ShadowSocks) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, e
 	return c, err
 }
 
+// StreamPacketConn implements C.ProxyAdapter
+func (ss *ShadowSocks) StreamPacketConn(c net.Conn, _ *C.Metadata) (net.Conn, error) {
+	if !IsPacketConn(c) {
+		return c, fmt.Errorf("%s connect error: can not convert net.Conn to net.PacketConn", ss.addr)
+	}
+
+	addr, err := resolveUDPAddr("udp", ss.addr)
+	if err != nil {
+		return c, err
+	}
+
+	pc := ss.cipher.PacketConn(c.(net.PacketConn))
+	return WrapConn(&ssPacketConn{PacketConn: pc, rAddr: addr}), nil
+}
+
 // DialContext implements C.ProxyAdapter
 func (ss *ShadowSocks) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
 	c, err := dialer.DialContext(ctx, "tcp", ss.addr, ss.Base.DialOptions(opts...)...)
@@ -95,14 +109,13 @@ func (ss *ShadowSocks) ListenPacketContext(ctx context.Context, metadata *C.Meta
 		return nil, err
 	}
 
-	addr, err := resolveUDPAddr("udp", ss.addr)
+	c, err := ss.StreamPacketConn(WrapConn(pc), metadata)
 	if err != nil {
-		pc.Close()
+		_ = pc.Close()
 		return nil, err
 	}
 
-	pc = ss.cipher.PacketConn(pc)
-	return newPacketConn(&ssPacketConn{PacketConn: pc, rAddr: addr}, ss), nil
+	return NewPacketConn(c.(net.PacketConn), ss), nil
 }
 
 func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
@@ -160,6 +173,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
 			tp:    C.Shadowsocks,
 			udp:   option.UDP,
 			iface: option.Interface,
+			rmark: option.RoutingMark,
 		},
 		cipher: ciph,
 

adapter/outbound/shadowsocksr.go

@@ -8,12 +8,11 @@ import (
 
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/transport/shadowsocks/core"
+	"github.com/Dreamacro/clash/transport/shadowsocks/shadowaead"
+	"github.com/Dreamacro/clash/transport/shadowsocks/shadowstream"
 	"github.com/Dreamacro/clash/transport/ssr/obfs"
 	"github.com/Dreamacro/clash/transport/ssr/protocol"
-
-	"github.com/Dreamacro/go-shadowsocks2/core"
-	"github.com/Dreamacro/go-shadowsocks2/shadowaead"
-	"github.com/Dreamacro/go-shadowsocks2/shadowstream"
 )
 
 type ShadowSocksR struct {
@@ -59,6 +58,22 @@ func (ssr *ShadowSocksR) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn,
 	return c, err
 }
 
+// StreamPacketConn implements C.ProxyAdapter
+func (ssr *ShadowSocksR) StreamPacketConn(c net.Conn, _ *C.Metadata) (net.Conn, error) {
+	if !IsPacketConn(c) {
+		return c, fmt.Errorf("%s connect error: can not convert net.Conn to net.PacketConn", ssr.addr)
+	}
+
+	addr, err := resolveUDPAddr("udp", ssr.addr)
+	if err != nil {
+		return c, err
+	}
+
+	pc := ssr.cipher.PacketConn(c.(net.PacketConn))
+	pc = ssr.protocol.PacketConn(pc)
+	return WrapConn(&ssPacketConn{PacketConn: pc, rAddr: addr}), nil
+}
+
 // DialContext implements C.ProxyAdapter
 func (ssr *ShadowSocksR) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
 	c, err := dialer.DialContext(ctx, "tcp", ssr.addr, ssr.Base.DialOptions(opts...)...)
@@ -80,18 +95,22 @@ func (ssr *ShadowSocksR) ListenPacketContext(ctx context.Context, metadata *C.Me
 		return nil, err
 	}
 
-	addr, err := resolveUDPAddr("udp", ssr.addr)
+	c, err := ssr.StreamPacketConn(WrapConn(pc), metadata)
 	if err != nil {
-		pc.Close()
+		_ = pc.Close()
 		return nil, err
 	}
 
-	pc = ssr.cipher.PacketConn(pc)
-	pc = ssr.protocol.PacketConn(pc)
-	return newPacketConn(&ssPacketConn{PacketConn: pc, rAddr: addr}, ssr), nil
+	return NewPacketConn(c.(net.PacketConn), ssr), nil
 }
 
 func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {
+	// SSR protocol compatibility
+	// https://github.com/Dreamacro/clash/pull/2056
+	if option.Cipher == "none" {
+		option.Cipher = "dummy"
+	}
+
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
 	cipher := option.Cipher
 	password := option.Password
@@ -103,13 +122,14 @@ func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {
 		ivSize int
 		key    []byte
 	)
+
 	if option.Cipher == "dummy" {
 		ivSize = 0
 		key = core.Kdf(option.Password, 16)
 	} else {
 		ciph, ok := coreCiph.(*core.StreamCipher)
 		if !ok {
-			return nil, fmt.Errorf("%s is not dummy or a supported stream cipher in ssr", cipher)
+			return nil, fmt.Errorf("%s is not none or a supported stream cipher in ssr", cipher)
 		}
 		ivSize = ciph.IVSize()
 		key = ciph.Key
@@ -142,6 +162,7 @@ func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {
 			tp:    C.ShadowsocksR,
 			udp:   option.UDP,
 			iface: option.Interface,
+			rmark: option.RoutingMark,
 		},
 		cipher:   coreCiph,
 		obfs:     obfs,

adapter/outbound/snell.go

@@ -23,12 +23,13 @@ type Snell struct {
 
 type SnellOption struct {
 	BasicOption
-	Name     string                 `proxy:"name"`
-	Server   string                 `proxy:"server"`
-	Port     int                    `proxy:"port"`
-	Psk      string                 `proxy:"psk"`
-	Version  int                    `proxy:"version,omitempty"`
-	ObfsOpts map[string]interface{} `proxy:"obfs-opts,omitempty"`
+	Name     string         `proxy:"name"`
+	Server   string         `proxy:"server"`
+	Port     int            `proxy:"port"`
+	Psk      string         `proxy:"psk"`
+	UDP      bool           `proxy:"udp,omitempty"`
+	Version  int            `proxy:"version,omitempty"`
+	ObfsOpts map[string]any `proxy:"obfs-opts,omitempty"`
 }
 
 type streamOption struct {
@@ -52,11 +53,23 @@ func streamConn(c net.Conn, option streamOption) *snell.Snell {
 // StreamConn implements C.ProxyAdapter
 func (s *Snell) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	c = streamConn(c, streamOption{s.psk, s.version, s.addr, s.obfsOption})
-	port, _ := strconv.ParseInt(metadata.DstPort, 10, 16)
+	port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
 	err := snell.WriteHeader(c, metadata.String(), uint(port), s.version)
 	return c, err
 }
 
+// StreamPacketConn implements C.ProxyAdapter
+func (s *Snell) StreamPacketConn(c net.Conn, _ *C.Metadata) (net.Conn, error) {
+	c = streamConn(c, streamOption{s.psk, s.version, s.addr, s.obfsOption})
+
+	err := snell.WriteUDPHeader(c, s.version)
+	if err != nil {
+		return c, err
+	}
+
+	return WrapConn(snell.PacketConn(c)), nil
+}
+
 // DialContext implements C.ProxyAdapter
 func (s *Snell) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
 	if s.version == snell.Version2 && len(opts) == 0 {
@@ -67,7 +80,7 @@ func (s *Snell) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 
 		port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
 		if err = snell.WriteHeader(c, metadata.String(), uint(port), s.version); err != nil {
-			c.Close()
+			_ = c.Close()
 			return nil, err
 		}
 		return NewConn(c, s), err
@@ -85,6 +98,23 @@ func (s *Snell) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 	return NewConn(c, s), err
 }
 
+// ListenPacketContext implements C.ProxyAdapter
+func (s *Snell) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
+	c, err := dialer.DialContext(ctx, "tcp", s.addr, s.Base.DialOptions(opts...)...)
+	if err != nil {
+		return nil, err
+	}
+	tcpKeepAlive(c)
+
+	pc, err := s.StreamPacketConn(c, metadata)
+	if err != nil {
+		_ = c.Close()
+		return nil, err
+	}
+
+	return NewPacketConn(pc.(net.PacketConn), s), nil
+}
+
 func NewSnell(option SnellOption) (*Snell, error) {
 	addr := net.JoinHostPort(option.Server, strconv.Itoa(option.Port))
 	psk := []byte(option.Psk)
@@ -106,7 +136,13 @@ func NewSnell(option SnellOption) (*Snell, error) {
 	if option.Version == 0 {
 		option.Version = snell.DefaultSnellVersion
 	}
-	if option.Version != snell.Version1 && option.Version != snell.Version2 {
+	switch option.Version {
+	case snell.Version1, snell.Version2:
+		if option.UDP {
+			return nil, fmt.Errorf("snell version %d not support UDP", option.Version)
+		}
+	case snell.Version3:
+	default:
 		return nil, fmt.Errorf("snell version error: %d", option.Version)
 	}
 
@@ -115,7 +151,9 @@ func NewSnell(option SnellOption) (*Snell, error) {
 			name:  option.Name,
 			addr:  addr,
 			tp:    C.Snell,
+			udp:   option.UDP,
 			iface: option.Interface,
+			rmark: option.RoutingMark,
 		},
 		psk:        psk,
 		obfsOption: obfsOption,

adapter/outbound/socks5.go

@@ -37,12 +37,59 @@ type Socks5Option struct {
 
 // StreamConn implements C.ProxyAdapter
 func (ss *Socks5) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
+	var err error
+	c, _, err = ss.streamConn(c, metadata)
+
+	return c, err
+}
+
+func (ss *Socks5) StreamSocks5PacketConn(c net.Conn, pc net.PacketConn, metadata *C.Metadata) (net.PacketConn, error) {
+	if c == nil {
+		return pc, fmt.Errorf("%s connect error: parameter net.Conn is nil", ss.addr)
+	}
+
+	if pc == nil {
+		return pc, fmt.Errorf("%s connect error: parameter net.PacketConn is nil", ss.addr)
+	}
+
+	cc, bindAddr, err := ss.streamConn(c, metadata)
+	if err != nil {
+		return pc, err
+	}
+
+	c = cc
+
+	go func() {
+		_, _ = io.Copy(io.Discard, c)
+		_ = c.Close()
+		// A UDP association terminates when the TCP connection that the UDP
+		// ASSOCIATE request arrived on terminates. RFC1928
+		_ = pc.Close()
+	}()
+
+	// Support unspecified UDP bind address.
+	bindUDPAddr := bindAddr.UDPAddr()
+	if bindUDPAddr == nil {
+		return pc, errors.New("invalid UDP bind address")
+	} else if bindUDPAddr.IP.IsUnspecified() {
+		serverAddr, err := resolveUDPAddr("udp", ss.Addr())
+		if err != nil {
+			return pc, err
+		}
+
+		bindUDPAddr.IP = serverAddr.IP
+	}
+
+	return &socksPacketConn{PacketConn: pc, rAddr: bindUDPAddr, tcpConn: c}, nil
+}
+
+func (ss *Socks5) streamConn(c net.Conn, metadata *C.Metadata) (_ net.Conn, bindAddr socks5.Addr, err error) {
 	if ss.tls {
 		cc := tls.Client(c, ss.tlsConfig)
 		err := cc.Handshake()
 		c = cc
 		if err != nil {
-			return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
+			return c, nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 		}
 	}
 
@@ -53,10 +100,14 @@ func (ss *Socks5) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error)
 			Password: ss.pass,
 		}
 	}
-	if _, err := socks5.ClientHandshake(c, serializesSocksAddr(metadata), socks5.CmdConnect, user); err != nil {
-		return nil, err
+
+	if metadata.NetWork == C.UDP {
+		bindAddr, err = socks5.ClientHandshake(c, serializesSocksAddr(metadata), socks5.CmdUDPAssociate, user)
+	} else {
+		bindAddr, err = socks5.ClientHandshake(c, serializesSocksAddr(metadata), socks5.CmdConnect, user)
 	}
-	return c, nil
+
+	return c, bindAddr, err
 }
 
 // DialContext implements C.ProxyAdapter
@@ -81,61 +132,24 @@ func (ss *Socks5) DialContext(ctx context.Context, metadata *C.Metadata, opts ..
 func (ss *Socks5) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
 	c, err := dialer.DialContext(ctx, "tcp", ss.addr, ss.Base.DialOptions(opts...)...)
 	if err != nil {
-		err = fmt.Errorf("%s connect error: %w", ss.addr, err)
-		return
-	}
-
-	if ss.tls {
-		cc := tls.Client(c, ss.tlsConfig)
-		err = cc.Handshake()
-		c = cc
+		return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 	}
 
 	defer safeConnClose(c, err)
 
-	tcpKeepAlive(c)
-	var user *socks5.User
-	if ss.user != "" {
-		user = &socks5.User{
-			Username: ss.user,
-			Password: ss.pass,
-		}
-	}
-
-	bindAddr, err := socks5.ClientHandshake(c, serializesSocksAddr(metadata), socks5.CmdUDPAssociate, user)
-	if err != nil {
-		err = fmt.Errorf("client hanshake error: %w", err)
-		return
-	}
-
 	pc, err := dialer.ListenPacket(ctx, "udp", "", ss.Base.DialOptions(opts...)...)
 	if err != nil {
 		return
 	}
 
-	go func() {
-		io.Copy(io.Discard, c)
-		c.Close()
-		// A UDP association terminates when the TCP connection that the UDP
-		// ASSOCIATE request arrived on terminates. RFC1928
-		pc.Close()
-	}()
+	tcpKeepAlive(c)
 
-	// Support unspecified UDP bind address.
-	bindUDPAddr := bindAddr.UDPAddr()
-	if bindUDPAddr == nil {
-		err = errors.New("invalid UDP bind address")
+	pc, err = ss.StreamSocks5PacketConn(c, pc, metadata)
+	if err != nil {
 		return
-	} else if bindUDPAddr.IP.IsUnspecified() {
-		serverAddr, err := resolveUDPAddr("udp", ss.Addr())
-		if err != nil {
-			return nil, err
-		}
-
-		bindUDPAddr.IP = serverAddr.IP
 	}
 
-	return newPacketConn(&socksPacketConn{PacketConn: pc, rAddr: bindUDPAddr, tcpConn: c}, ss), nil
+	return NewPacketConn(pc, ss), nil
 }
 
 func NewSocks5(option Socks5Option) *Socks5 {
@@ -154,6 +168,7 @@ func NewSocks5(option Socks5Option) *Socks5 {
 			tp:    C.Socks5,
 			udp:   option.UDP,
 			iface: option.Interface,
+			rmark: option.RoutingMark,
 		},
 		user:           option.UserName,
 		pass:           option.Password,
@@ -198,6 +213,6 @@ func (uc *socksPacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
 }
 
 func (uc *socksPacketConn) Close() error {
-	uc.tcpConn.Close()
+	_ = uc.tcpConn.Close()
 	return uc.PacketConn.Close()
 }

adapter/outbound/trojan.go

@@ -12,6 +12,7 @@ import (
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/transport/gun"
 	"github.com/Dreamacro/clash/transport/trojan"
+	"github.com/Dreamacro/clash/transport/vless"
 
 	"golang.org/x/net/http2"
 )
@@ -40,6 +41,8 @@ type TrojanOption struct {
 	Network        string      `proxy:"network,omitempty"`
 	GrpcOpts       GrpcOptions `proxy:"grpc-opts,omitempty"`
 	WSOpts         WSOptions   `proxy:"ws-opts,omitempty"`
+	Flow           string      `proxy:"flow,omitempty"`
+	FlowShow       bool        `proxy:"flow-show,omitempty"`
 }
 
 func (t *Trojan) plainStream(c net.Conn) (net.Conn, error) {
@@ -69,8 +72,7 @@ func (t *Trojan) plainStream(c net.Conn) (net.Conn, error) {
 	return t.instance.StreamConn(c)
 }
 
-// StreamConn implements C.ProxyAdapter
-func (t *Trojan) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
+func (t *Trojan) trojanStream(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	var err error
 	if t.transport != nil {
 		c, err = gun.StreamGunWithConn(c, t.gunTLSConfig, t.gunConfig)
@@ -82,28 +84,63 @@ func (t *Trojan) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error)
 		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
 	}
 
+	c, err = t.instance.PrepareXTLSConn(c)
+	if err != nil {
+		return c, err
+	}
+
+	if metadata.NetWork == C.UDP {
+		err = t.instance.WriteHeader(c, trojan.CommandUDP, serializesSocksAddr(metadata))
+		return c, err
+	}
+
 	err = t.instance.WriteHeader(c, trojan.CommandTCP, serializesSocksAddr(metadata))
 	return c, err
 }
 
+// StreamConn implements C.ProxyAdapter
+func (t *Trojan) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
+	return t.trojanStream(c, metadata)
+}
+
+// StreamPacketConn implements C.ProxyAdapter
+func (t *Trojan) StreamPacketConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
+	var err error
+	c, err = t.trojanStream(c, metadata)
+	if err != nil {
+		return c, err
+	}
+
+	pc := t.instance.PacketConn(c)
+	return WrapConn(pc), nil
+}
+
 // DialContext implements C.ProxyAdapter
 func (t *Trojan) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
+	var c net.Conn
+
 	// gun transport
 	if t.transport != nil && len(opts) == 0 {
-		c, err := gun.StreamGunWithTransport(t.transport, t.gunConfig)
+		c, err = gun.StreamGunWithTransport(t.transport, t.gunConfig)
+		if err != nil {
+			return nil, err
+		}
+
+		defer safeConnClose(c, err)
+
+		c, err = t.instance.PrepareXTLSConn(c)
 		if err != nil {
 			return nil, err
 		}
 
 		if err = t.instance.WriteHeader(c, trojan.CommandTCP, serializesSocksAddr(metadata)); err != nil {
-			c.Close()
 			return nil, err
 		}
 
 		return NewConn(c, t), nil
 	}
 
-	c, err := dialer.DialContext(ctx, "tcp", t.addr, t.Base.DialOptions(opts...)...)
+	c, err = dialer.DialContext(ctx, "tcp", t.addr, t.Base.DialOptions(opts...)...)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
 	}
@@ -123,33 +160,44 @@ func (t *Trojan) DialContext(ctx context.Context, metadata *C.Metadata, opts ...
 func (t *Trojan) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
 	var c net.Conn
 
-	// grpc transport
+	// gun transport
 	if t.transport != nil && len(opts) == 0 {
 		c, err = gun.StreamGunWithTransport(t.transport, t.gunConfig)
 		if err != nil {
-			return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
+			return nil, err
 		}
+
 		defer safeConnClose(c, err)
-	} else {
-		c, err = dialer.DialContext(ctx, "tcp", t.addr, t.Base.DialOptions(opts...)...)
+
+		c, err = t.instance.PrepareXTLSConn(c)
 		if err != nil {
-			return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
+			return nil, err
 		}
-		defer safeConnClose(c, err)
-		tcpKeepAlive(c)
-		c, err = t.plainStream(c)
-		if err != nil {
-			return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
+
+		if err = t.instance.WriteHeader(c, trojan.CommandUDP, serializesSocksAddr(metadata)); err != nil {
+			return nil, err
 		}
+
+		pc := t.instance.PacketConn(c)
+
+		return NewPacketConn(pc, t), nil
 	}
 
-	err = t.instance.WriteHeader(c, trojan.CommandUDP, serializesSocksAddr(metadata))
+	c, err = dialer.DialContext(ctx, "tcp", t.addr, t.Base.DialOptions(opts...)...)
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
+	}
+
+	tcpKeepAlive(c)
+
+	defer safeConnClose(c, err)
+
+	c, err = t.StreamPacketConn(c, metadata)
 	if err != nil {
 		return nil, err
 	}
 
-	pc := t.instance.PacketConn(c)
-	return newPacketConn(pc, t), err
+	return NewPacketConn(c.(net.PacketConn), t), nil
 }
 
 func NewTrojan(option TrojanOption) (*Trojan, error) {
@@ -160,6 +208,17 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 		ALPN:           option.ALPN,
 		ServerName:     option.Server,
 		SkipCertVerify: option.SkipCertVerify,
+		FlowShow:       option.FlowShow,
+	}
+
+	if option.Network != "ws" && len(option.Flow) >= 16 {
+		option.Flow = option.Flow[:16]
+		switch option.Flow {
+		case vless.XRO, vless.XRD, vless.XRS:
+			tOption.Flow = option.Flow
+		default:
+			return nil, fmt.Errorf("unsupported xtls flow type: %s", option.Flow)
+		}
 	}
 
 	if option.SNI != "" {
@@ -173,6 +232,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 			tp:    C.Trojan,
 			udp:   option.UDP,
 			iface: option.Interface,
+			rmark: option.RoutingMark,
 		},
 		instance: trojan.New(tOption),
 		option:   &option,
@@ -195,7 +255,12 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 			ServerName:         tOption.ServerName,
 		}
 
-		t.transport = gun.NewHTTP2Client(dialFn, tlsConfig)
+		if t.option.Flow != "" {
+			t.transport = gun.NewHTTP2XTLSClient(dialFn, tlsConfig)
+		} else {
+			t.transport = gun.NewHTTP2Client(dialFn, tlsConfig)
+		}
+
 		t.gunTLSConfig = tlsConfig
 		t.gunConfig = &gun.Config{
 			ServiceName: option.GrpcOpts.GrpcServiceName,

adapter/outbound/util.go

@@ -13,8 +13,9 @@ import (
 
 func tcpKeepAlive(c net.Conn) {
 	if tcp, ok := c.(*net.TCPConn); ok {
-		tcp.SetKeepAlive(true)
-		tcp.SetKeepAlivePeriod(30 * time.Second)
+		_ = tcp.SetKeepAlive(true)
+		_ = tcp.SetKeepAlivePeriod(30 * time.Second)
+		_ = tcp.SetLinger(0)
 	}
 }
 
@@ -25,14 +26,14 @@ func serializesSocksAddr(metadata *C.Metadata) []byte {
 	port := []byte{uint8(p >> 8), uint8(p & 0xff)}
 	switch metadata.AddrType {
 	case socks5.AtypDomainName:
-		len := uint8(len(metadata.Host))
+		lenM := uint8(len(metadata.Host))
 		host := []byte(metadata.Host)
-		buf = [][]byte{{aType, len}, host, port}
+		buf = [][]byte{{aType, lenM}, host, port}
 	case socks5.AtypIPv4:
-		host := metadata.DstIP.To4()
+		host := metadata.DstIP.AsSlice()
 		buf = [][]byte{{aType}, host, port}
 	case socks5.AtypIPv6:
-		host := metadata.DstIP.To16()
+		host := metadata.DstIP.AsSlice()
 		buf = [][]byte{{aType}, host, port}
 	}
 	return bytes.Join(buf, nil)
@@ -44,7 +45,7 @@ func resolveUDPAddr(network, address string) (*net.UDPAddr, error) {
 		return nil, err
 	}
 
-	ip, err := resolver.ResolveIP(host)
+	ip, err := resolver.ResolveProxyServerHost(host)
 	if err != nil {
 		return nil, err
 	}
@@ -52,7 +53,7 @@ func resolveUDPAddr(network, address string) (*net.UDPAddr, error) {
 }
 
 func safeConnClose(c net.Conn, err error) {
-	if err != nil {
-		c.Close()
+	if err != nil && c != nil {
+		_ = c.Close()
 	}
 }

adapter/outbound/vless.go

@@ -0,0 +1,476 @@
+package outbound
+
+import (
+	"context"
+	"crypto/tls"
+	"encoding/binary"
+	"errors"
+	"fmt"
+	"io"
+	"net"
+	"net/http"
+	"strconv"
+	"sync"
+
+	"github.com/Dreamacro/clash/component/dialer"
+	"github.com/Dreamacro/clash/component/resolver"
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/transport/gun"
+	"github.com/Dreamacro/clash/transport/vless"
+	"github.com/Dreamacro/clash/transport/vmess"
+
+	"golang.org/x/net/http2"
+)
+
+const (
+	// max packet length
+	maxLength = 1024 << 3
+)
+
+type Vless struct {
+	*Base
+	client *vless.Client
+	option *VlessOption
+
+	// for gun mux
+	gunTLSConfig *tls.Config
+	gunConfig    *gun.Config
+	transport    *http2.Transport
+}
+
+type VlessOption struct {
+	BasicOption
+	Name           string            `proxy:"name"`
+	Server         string            `proxy:"server"`
+	Port           int               `proxy:"port"`
+	UUID           string            `proxy:"uuid"`
+	Flow           string            `proxy:"flow,omitempty"`
+	FlowShow       bool              `proxy:"flow-show,omitempty"`
+	UDP            bool              `proxy:"udp,omitempty"`
+	Network        string            `proxy:"network,omitempty"`
+	HTTPOpts       HTTPOptions       `proxy:"http-opts,omitempty"`
+	HTTP2Opts      HTTP2Options      `proxy:"h2-opts,omitempty"`
+	GrpcOpts       GrpcOptions       `proxy:"grpc-opts,omitempty"`
+	WSOpts         WSOptions         `proxy:"ws-opts,omitempty"`
+	WSPath         string            `proxy:"ws-path,omitempty"`
+	WSHeaders      map[string]string `proxy:"ws-headers,omitempty"`
+	SkipCertVerify bool              `proxy:"skip-cert-verify,omitempty"`
+	ServerName     string            `proxy:"servername,omitempty"`
+}
+
+// StreamConn implements C.ProxyAdapter
+func (v *Vless) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
+	var err error
+	switch v.option.Network {
+	case "ws":
+		if v.option.WSOpts.Path == "" {
+			v.option.WSOpts.Path = v.option.WSPath
+		}
+		if len(v.option.WSOpts.Headers) == 0 {
+			v.option.WSOpts.Headers = v.option.WSHeaders
+		}
+
+		host, port, _ := net.SplitHostPort(v.addr)
+		wsOpts := &vmess.WebsocketConfig{
+			Host:                host,
+			Port:                port,
+			Path:                v.option.WSOpts.Path,
+			MaxEarlyData:        v.option.WSOpts.MaxEarlyData,
+			EarlyDataHeaderName: v.option.WSOpts.EarlyDataHeaderName,
+		}
+
+		if len(v.option.WSOpts.Headers) != 0 {
+			header := http.Header{}
+			for key, value := range v.option.WSOpts.Headers {
+				header.Add(key, value)
+			}
+			wsOpts.Headers = header
+		}
+
+		wsOpts.TLS = true
+		wsOpts.TLSConfig = &tls.Config{
+			MinVersion:         tls.VersionTLS12,
+			ServerName:         host,
+			InsecureSkipVerify: v.option.SkipCertVerify,
+			NextProtos:         []string{"http/1.1"},
+		}
+		if v.option.ServerName != "" {
+			wsOpts.TLSConfig.ServerName = v.option.ServerName
+		} else if host := wsOpts.Headers.Get("Host"); host != "" {
+			wsOpts.TLSConfig.ServerName = host
+		}
+
+		c, err = vmess.StreamWebsocketConn(c, wsOpts)
+	case "http":
+		// readability first, so just copy default TLS logic
+		c, err = v.streamTLSOrXTLSConn(c, false)
+		if err != nil {
+			return nil, err
+		}
+
+		host, _, _ := net.SplitHostPort(v.addr)
+		httpOpts := &vmess.HTTPConfig{
+			Host:    host,
+			Method:  v.option.HTTPOpts.Method,
+			Path:    v.option.HTTPOpts.Path,
+			Headers: v.option.HTTPOpts.Headers,
+		}
+
+		c = vmess.StreamHTTPConn(c, httpOpts)
+	case "h2":
+		c, err = v.streamTLSOrXTLSConn(c, true)
+		if err != nil {
+			return nil, err
+		}
+
+		h2Opts := &vmess.H2Config{
+			Hosts: v.option.HTTP2Opts.Host,
+			Path:  v.option.HTTP2Opts.Path,
+		}
+
+		c, err = vmess.StreamH2Conn(c, h2Opts)
+	case "grpc":
+		if v.isXTLSEnabled() {
+			c, err = gun.StreamGunWithXTLSConn(c, v.gunTLSConfig, v.gunConfig)
+		} else {
+			c, err = gun.StreamGunWithConn(c, v.gunTLSConfig, v.gunConfig)
+		}
+	default:
+		// default tcp network
+		// handle TLS And XTLS
+		c, err = v.streamTLSOrXTLSConn(c, false)
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	return v.client.StreamConn(c, parseVlessAddr(metadata))
+}
+
+// StreamPacketConn implements C.ProxyAdapter
+func (v *Vless) StreamPacketConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
+	// vmess use stream-oriented udp with a special address, so we needs a net.UDPAddr
+	if !metadata.Resolved() {
+		ip, err := resolver.ResolveFirstIP(metadata.Host)
+		if err != nil {
+			return nil, errors.New("can't resolve ip")
+		}
+		metadata.DstIP = ip
+	}
+
+	var err error
+	c, err = v.StreamConn(c, metadata)
+	if err != nil {
+		return nil, fmt.Errorf("new vmess client error: %v", err)
+	}
+
+	return WrapConn(&vlessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}), nil
+}
+
+func (v *Vless) streamTLSOrXTLSConn(conn net.Conn, isH2 bool) (net.Conn, error) {
+	host, _, _ := net.SplitHostPort(v.addr)
+
+	if v.isXTLSEnabled() {
+		xtlsOpts := vless.XTLSConfig{
+			Host:           host,
+			SkipCertVerify: v.option.SkipCertVerify,
+		}
+
+		if isH2 {
+			xtlsOpts.NextProtos = []string{"h2"}
+		}
+
+		if v.option.ServerName != "" {
+			xtlsOpts.Host = v.option.ServerName
+		}
+
+		return vless.StreamXTLSConn(conn, &xtlsOpts)
+
+	} else {
+		tlsOpts := vmess.TLSConfig{
+			Host:           host,
+			SkipCertVerify: v.option.SkipCertVerify,
+		}
+
+		if isH2 {
+			tlsOpts.NextProtos = []string{"h2"}
+		}
+
+		if v.option.ServerName != "" {
+			tlsOpts.Host = v.option.ServerName
+		}
+
+		return vmess.StreamTLSConn(conn, &tlsOpts)
+	}
+}
+
+func (v *Vless) isXTLSEnabled() bool {
+	return v.client.Addons != nil
+}
+
+// DialContext implements C.ProxyAdapter
+func (v *Vless) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
+	// gun transport
+	if v.transport != nil && len(opts) == 0 {
+		c, err := gun.StreamGunWithTransport(v.transport, v.gunConfig)
+		if err != nil {
+			return nil, err
+		}
+		defer safeConnClose(c, err)
+
+		c, err = v.client.StreamConn(c, parseVlessAddr(metadata))
+		if err != nil {
+			return nil, err
+		}
+
+		return NewConn(c, v), nil
+	}
+
+	c, err := dialer.DialContext(ctx, "tcp", v.addr, v.Base.DialOptions(opts...)...)
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
+	}
+	tcpKeepAlive(c)
+	defer safeConnClose(c, err)
+
+	c, err = v.StreamConn(c, metadata)
+	return NewConn(c, v), err
+}
+
+// ListenPacketContext implements C.ProxyAdapter
+func (v *Vless) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
+	var c net.Conn
+	// gun transport
+	if v.transport != nil && len(opts) == 0 {
+		// vless use stream-oriented udp with a special address, so we needs a net.UDPAddr
+		if !metadata.Resolved() {
+			ip, err := resolver.ResolveFirstIP(metadata.Host)
+			if err != nil {
+				return nil, errors.New("can't resolve ip")
+			}
+			metadata.DstIP = ip
+		}
+
+		c, err = gun.StreamGunWithTransport(v.transport, v.gunConfig)
+		if err != nil {
+			return nil, err
+		}
+		defer safeConnClose(c, err)
+
+		c, err = v.client.StreamConn(c, parseVlessAddr(metadata))
+		if err != nil {
+			return nil, fmt.Errorf("new vless client error: %v", err)
+		}
+
+		return NewPacketConn(&vlessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}, v), nil
+	}
+
+	c, err = dialer.DialContext(ctx, "tcp", v.addr, v.Base.DialOptions(opts...)...)
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
+	}
+
+	tcpKeepAlive(c)
+	defer safeConnClose(c, err)
+
+	c, err = v.StreamPacketConn(c, metadata)
+	if err != nil {
+		return nil, fmt.Errorf("new vless client error: %v", err)
+	}
+
+	return NewPacketConn(c.(net.PacketConn), v), nil
+}
+
+func parseVlessAddr(metadata *C.Metadata) *vless.DstAddr {
+	var addrType byte
+	var addr []byte
+	switch metadata.AddrType {
+	case C.AtypIPv4:
+		addrType = byte(vless.AtypIPv4)
+		addr = make([]byte, net.IPv4len)
+		copy(addr[:], metadata.DstIP.AsSlice())
+	case C.AtypIPv6:
+		addrType = byte(vless.AtypIPv6)
+		addr = make([]byte, net.IPv6len)
+		copy(addr[:], metadata.DstIP.AsSlice())
+	case C.AtypDomainName:
+		addrType = byte(vless.AtypDomainName)
+		addr = make([]byte, len(metadata.Host)+1)
+		addr[0] = byte(len(metadata.Host))
+		copy(addr[1:], []byte(metadata.Host))
+	}
+
+	port, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
+	return &vless.DstAddr{
+		UDP:      metadata.NetWork == C.UDP,
+		AddrType: addrType,
+		Addr:     addr,
+		Port:     uint(port),
+	}
+}
+
+type vlessPacketConn struct {
+	net.Conn
+	rAddr  net.Addr
+	cache  [2]byte
+	remain int
+	mux    sync.Mutex
+}
+
+func (vc *vlessPacketConn) WriteTo(b []byte, _ net.Addr) (int, error) {
+	total := len(b)
+	if total == 0 {
+		return 0, nil
+	}
+
+	if total < maxLength {
+		return vc.writePacket(b)
+	}
+
+	offset := 0
+	for {
+		cursor := offset + maxLength
+		if cursor > total {
+			cursor = total
+		}
+
+		n, err := vc.writePacket(b[offset:cursor])
+		if err != nil {
+			return offset + n, err
+		}
+
+		offset = cursor
+		if offset == total {
+			break
+		}
+	}
+
+	return total, nil
+}
+
+func (vc *vlessPacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
+	vc.mux.Lock()
+	defer vc.mux.Unlock()
+
+	if vc.remain != 0 {
+		length := len(b)
+		if length > vc.remain {
+			length = vc.remain
+		}
+
+		n, err := vc.Conn.Read(b[:length])
+		if err != nil {
+			return 0, vc.rAddr, err
+		}
+
+		vc.remain -= n
+
+		return n, vc.rAddr, nil
+	}
+
+	if _, err := vc.Conn.Read(b[:2]); err != nil {
+		return 0, vc.rAddr, err
+	}
+
+	total := int(binary.BigEndian.Uint16(b[:2]))
+	if total == 0 {
+		return 0, vc.rAddr, nil
+	}
+
+	length := len(b)
+	if length > total {
+		length = total
+	}
+
+	if _, err := io.ReadFull(vc.Conn, b[:length]); err != nil {
+		return 0, vc.rAddr, errors.New("read packet error")
+	}
+
+	vc.remain = total - length
+
+	return length, vc.rAddr, nil
+}
+
+func (vc *vlessPacketConn) writePacket(payload []byte) (int, error) {
+	binary.BigEndian.PutUint16(vc.cache[:], uint16(len(payload)))
+
+	if _, err := vc.Conn.Write(vc.cache[:]); err != nil {
+		return 0, err
+	}
+
+	return vc.Conn.Write(payload)
+}
+
+func NewVless(option VlessOption) (*Vless, error) {
+	var addons *vless.Addons
+	if option.Network != "ws" && len(option.Flow) >= 16 {
+		option.Flow = option.Flow[:16]
+		switch option.Flow {
+		case vless.XRO, vless.XRD, vless.XRS:
+			addons = &vless.Addons{
+				Flow: option.Flow,
+			}
+		default:
+			return nil, fmt.Errorf("unsupported xtls flow type: %s", option.Flow)
+		}
+	}
+
+	client, err := vless.NewClient(option.UUID, addons, option.FlowShow)
+	if err != nil {
+		return nil, err
+	}
+
+	v := &Vless{
+		Base: &Base{
+			name:  option.Name,
+			addr:  net.JoinHostPort(option.Server, strconv.Itoa(option.Port)),
+			tp:    C.Vless,
+			udp:   option.UDP,
+			iface: option.Interface,
+		},
+		client: client,
+		option: &option,
+	}
+
+	switch option.Network {
+	case "h2":
+		if len(option.HTTP2Opts.Host) == 0 {
+			option.HTTP2Opts.Host = append(option.HTTP2Opts.Host, "www.example.com")
+		}
+	case "grpc":
+		dialFn := func(network, addr string) (net.Conn, error) {
+			c, err := dialer.DialContext(context.Background(), "tcp", v.addr, v.Base.DialOptions()...)
+			if err != nil {
+				return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
+			}
+			tcpKeepAlive(c)
+			return c, nil
+		}
+
+		gunConfig := &gun.Config{
+			ServiceName: v.option.GrpcOpts.GrpcServiceName,
+			Host:        v.option.ServerName,
+		}
+		tlsConfig := &tls.Config{
+			InsecureSkipVerify: v.option.SkipCertVerify,
+			ServerName:         v.option.ServerName,
+		}
+
+		if v.option.ServerName == "" {
+			host, _, _ := net.SplitHostPort(v.addr)
+			tlsConfig.ServerName = host
+			gunConfig.Host = host
+		}
+
+		v.gunTLSConfig = tlsConfig
+		v.gunConfig = gunConfig
+		if v.isXTLSEnabled() {
+			v.transport = gun.NewHTTP2XTLSClient(dialFn, tlsConfig)
+		} else {
+			v.transport = gun.NewHTTP2Client(dialFn, tlsConfig)
+		}
+	}
+
+	return v, nil
+}

adapter/outbound/vmess.go

@@ -3,13 +3,13 @@ package outbound
 import (
 	"context"
 	"crypto/tls"
-	"errors"
 	"fmt"
 	"net"
 	"net/http"
 	"strconv"
 	"strings"
 
+	"github.com/Dreamacro/clash/common/convert"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
@@ -48,7 +48,7 @@ type VmessOption struct {
 	GrpcOpts       GrpcOptions  `proxy:"grpc-opts,omitempty"`
 	WSOpts         WSOptions    `proxy:"ws-opts,omitempty"`
 
-	// TODO: remove these until 2022
+	// TODO: compatible with VMESS WS older version configurations
 	WSHeaders map[string]string `proxy:"ws-headers,omitempty"`
 	WSPath    string            `proxy:"ws-path,omitempty"`
 }
@@ -91,17 +91,16 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 		wsOpts := &vmess.WebsocketConfig{
 			Host:                host,
 			Port:                port,
+			Headers:             http.Header{},
 			Path:                v.option.WSOpts.Path,
 			MaxEarlyData:        v.option.WSOpts.MaxEarlyData,
 			EarlyDataHeaderName: v.option.WSOpts.EarlyDataHeaderName,
 		}
 
 		if len(v.option.WSOpts.Headers) != 0 {
-			header := http.Header{}
 			for key, value := range v.option.WSOpts.Headers {
-				header.Add(key, value)
+				wsOpts.Headers.Add(key, value)
 			}
-			wsOpts.Headers = header
 		}
 
 		if v.option.TLS {
@@ -116,6 +115,11 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 			} else if host := wsOpts.Headers.Get("Host"); host != "" {
 				wsOpts.TLSConfig.ServerName = host
 			}
+		} else {
+			if wsOpts.Headers.Get("Host") == "" {
+				wsOpts.Headers.Set("Host", convert.RandHost())
+			}
+			convert.SetUserAgent(wsOpts.Headers)
 		}
 		c, err = vmess.StreamWebsocketConn(c, wsOpts)
 	case "http":
@@ -195,6 +199,26 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	return v.client.StreamConn(c, parseVmessAddr(metadata))
 }
 
+// StreamPacketConn implements C.ProxyAdapter
+func (v *Vmess) StreamPacketConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
+	// vmess use stream-oriented udp with a special address, so we needs a net.UDPAddr
+	if !metadata.Resolved() {
+		ip, err := resolver.ResolveFirstIP(metadata.Host)
+		if err != nil {
+			return c, fmt.Errorf("can't resolve ip: %w", err)
+		}
+		metadata.DstIP = ip
+	}
+
+	var err error
+	c, err = v.StreamConn(c, metadata)
+	if err != nil {
+		return c, fmt.Errorf("new vmess client error: %v", err)
+	}
+
+	return WrapConn(&vmessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}), nil
+}
+
 // DialContext implements C.ProxyAdapter
 func (v *Vmess) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.Conn, err error) {
 	// gun transport
@@ -226,18 +250,18 @@ func (v *Vmess) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 
 // ListenPacketContext implements C.ProxyAdapter
 func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (_ C.PacketConn, err error) {
-	// vmess use stream-oriented udp with a special address, so we needs a net.UDPAddr
-	if !metadata.Resolved() {
-		ip, err := resolver.ResolveIP(metadata.Host)
-		if err != nil {
-			return nil, errors.New("can't resolve ip")
-		}
-		metadata.DstIP = ip
-	}
-
 	var c net.Conn
 	// gun transport
 	if v.transport != nil && len(opts) == 0 {
+		// vmess use stream-oriented udp with a special address, so we needs a net.UDPAddr
+		if !metadata.Resolved() {
+			ip, err := resolver.ResolveFirstIP(metadata.Host)
+			if err != nil {
+				return nil, fmt.Errorf("can't resolve ip: %w", err)
+			}
+			metadata.DstIP = ip
+		}
+
 		c, err = gun.StreamGunWithTransport(v.transport, v.gunConfig)
 		if err != nil {
 			return nil, err
@@ -245,22 +269,27 @@ func (v *Vmess) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 		defer safeConnClose(c, err)
 
 		c, err = v.client.StreamConn(c, parseVmessAddr(metadata))
-	} else {
-		c, err = dialer.DialContext(ctx, "tcp", v.addr, v.Base.DialOptions(opts...)...)
 		if err != nil {
-			return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
+			return nil, fmt.Errorf("new vmess client error: %v", err)
 		}
-		tcpKeepAlive(c)
-		defer safeConnClose(c, err)
 
-		c, err = v.StreamConn(c, metadata)
+		return NewPacketConn(&vmessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}, v), nil
 	}
 
+	c, err = dialer.DialContext(ctx, "tcp", v.addr, v.Base.DialOptions(opts...)...)
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
+	}
+
+	tcpKeepAlive(c)
+	defer safeConnClose(c, err)
+
+	c, err = v.StreamPacketConn(c, metadata)
 	if err != nil {
 		return nil, fmt.Errorf("new vmess client error: %v", err)
 	}
 
-	return newPacketConn(&vmessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}, v), nil
+	return NewPacketConn(c.(net.PacketConn), v), nil
 }
 
 func NewVmess(option VmessOption) (*Vmess, error) {
@@ -291,6 +320,7 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 			tp:    C.Vmess,
 			udp:   option.UDP,
 			iface: option.Interface,
+			rmark: option.RoutingMark,
 		},
 		client: client,
 		option: &option,
@@ -341,11 +371,11 @@ func parseVmessAddr(metadata *C.Metadata) *vmess.DstAddr {
 	case C.AtypIPv4:
 		addrType = byte(vmess.AtypIPv4)
 		addr = make([]byte, net.IPv4len)
-		copy(addr[:], metadata.DstIP.To4())
+		copy(addr[:], metadata.DstIP.AsSlice())
 	case C.AtypIPv6:
 		addrType = byte(vmess.AtypIPv6)
 		addr = make([]byte, net.IPv6len)
-		copy(addr[:], metadata.DstIP.To16())
+		copy(addr[:], metadata.DstIP.AsSlice())
 	case C.AtypDomainName:
 		addrType = byte(vmess.AtypDomainName)
 		addr = make([]byte, len(metadata.Host)+1)
@@ -367,7 +397,7 @@ type vmessPacketConn struct {
 	rAddr net.Addr
 }
 
-func (uc *vmessPacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
+func (uc *vmessPacketConn) WriteTo(b []byte, _ net.Addr) (int, error) {
 	return uc.Conn.Write(b)
 }
 

adapter/outboundgroup/common.go

@@ -3,6 +3,8 @@ package outboundgroup
 import (
 	"time"
 
+	"github.com/Dreamacro/clash/adapter"
+	"github.com/Dreamacro/clash/adapter/outbound"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
 )
@@ -11,14 +13,19 @@ const (
 	defaultGetProxiesDuration = time.Second * 5
 )
 
+var defaultRejectProxy = adapter.NewProxy(outbound.NewReject())
+
 func getProvidersProxies(providers []provider.ProxyProvider, touch bool) []C.Proxy {
 	proxies := []C.Proxy{}
-	for _, provider := range providers {
+	for _, pd := range providers {
 		if touch {
-			proxies = append(proxies, provider.ProxiesWithTouch()...)
+			proxies = append(proxies, pd.ProxiesWithTouch()...)
 		} else {
-			proxies = append(proxies, provider.Proxies()...)
+			proxies = append(proxies, pd.Proxies()...)
 		}
 	}
+	if len(proxies) == 0 {
+		proxies = append(proxies, defaultRejectProxy)
+	}
 	return proxies
 }

adapter/outboundgroup/fallback.go

@@ -14,7 +14,7 @@ import (
 type Fallback struct {
 	*outbound.Base
 	disableUDP bool
-	single     *singledo.Single
+	single     *singledo.Single[[]C.Proxy]
 	providers  []provider.ProxyProvider
 }
 
@@ -59,7 +59,7 @@ func (f *Fallback) MarshalJSON() ([]byte, error) {
 	for _, proxy := range f.proxies(false) {
 		all = append(all, proxy.Name())
 	}
-	return json.Marshal(map[string]interface{}{
+	return json.Marshal(map[string]any{
 		"type": f.Type().String(),
 		"now":  f.Now(),
 		"all":  all,
@@ -73,11 +73,11 @@ func (f *Fallback) Unwrap(metadata *C.Metadata) C.Proxy {
 }
 
 func (f *Fallback) proxies(touch bool) []C.Proxy {
-	elm, _, _ := f.single.Do(func() (interface{}, error) {
+	elm, _, _ := f.single.Do(func() ([]C.Proxy, error) {
 		return getProvidersProxies(f.providers, touch), nil
 	})
 
-	return elm.([]C.Proxy)
+	return elm
 }
 
 func (f *Fallback) findAliveProxy(touch bool) C.Proxy {
@@ -99,7 +99,7 @@ func NewFallback(option *GroupCommonOption, providers []provider.ProxyProvider)
 			Interface:   option.Interface,
 			RoutingMark: option.RoutingMark,
 		}),
-		single:     singledo.NewSingle(defaultGetProxiesDuration),
+		single:     singledo.NewSingle[[]C.Proxy](defaultGetProxiesDuration),
 		providers:  providers,
 		disableUDP: option.DisableUDP,
 	}

adapter/outboundgroup/loadbalance.go

@@ -22,18 +22,16 @@ type strategyFn = func(proxies []C.Proxy, metadata *C.Metadata) C.Proxy
 type LoadBalance struct {
 	*outbound.Base
 	disableUDP bool
-	single     *singledo.Single
+	single     *singledo.Single[[]C.Proxy]
 	providers  []provider.ProxyProvider
 	strategyFn strategyFn
 }
 
 var errStrategy = errors.New("unsupported strategy")
 
-func parseStrategy(config map[string]interface{}) string {
-	if elm, ok := config["strategy"]; ok {
-		if strategy, ok := elm.(string); ok {
-			return strategy
-		}
+func parseStrategy(config map[string]any) string {
+	if strategy, ok := config["strategy"].(string); ok {
+		return strategy
 	}
 	return "consistent-hashing"
 }
@@ -50,7 +48,7 @@ func getKey(metadata *C.Metadata) string {
 		}
 	}
 
-	if metadata.DstIP == nil {
+	if !metadata.DstIP.IsValid() {
 		return ""
 	}
 
@@ -140,11 +138,11 @@ func (lb *LoadBalance) Unwrap(metadata *C.Metadata) C.Proxy {
 }
 
 func (lb *LoadBalance) proxies(touch bool) []C.Proxy {
-	elm, _, _ := lb.single.Do(func() (interface{}, error) {
+	elm, _, _ := lb.single.Do(func() ([]C.Proxy, error) {
 		return getProvidersProxies(lb.providers, touch), nil
 	})
 
-	return elm.([]C.Proxy)
+	return elm
 }
 
 // MarshalJSON implements C.ProxyAdapter
@@ -153,7 +151,7 @@ func (lb *LoadBalance) MarshalJSON() ([]byte, error) {
 	for _, proxy := range lb.proxies(false) {
 		all = append(all, proxy.Name())
 	}
-	return json.Marshal(map[string]interface{}{
+	return json.Marshal(map[string]any{
 		"type": lb.Type().String(),
 		"all":  all,
 	})
@@ -176,7 +174,7 @@ func NewLoadBalance(option *GroupCommonOption, providers []provider.ProxyProvide
 			Interface:   option.Interface,
 			RoutingMark: option.RoutingMark,
 		}),
-		single:     singledo.NewSingle(defaultGetProxiesDuration),
+		single:     singledo.NewSingle[[]C.Proxy](defaultGetProxiesDuration),
 		providers:  providers,
 		strategyFn: strategyFn,
 		disableUDP: option.DisableUDP,

adapter/outboundgroup/parser.go

@@ -3,6 +3,7 @@ package outboundgroup
 import (
 	"errors"
 	"fmt"
+	"regexp"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/adapter/provider"
@@ -16,7 +17,7 @@ var (
 	errType              = errors.New("unsupport type")
 	errMissProxy         = errors.New("`use` or `proxies` missing")
 	errMissHealthCheck   = errors.New("`url` or `interval` missing")
-	errDuplicateProvider = errors.New("`duplicate provider name")
+	errDuplicateProvider = errors.New("duplicate provider name")
 )
 
 type GroupCommonOption struct {
@@ -29,18 +30,32 @@ type GroupCommonOption struct {
 	Interval   int      `group:"interval,omitempty"`
 	Lazy       bool     `group:"lazy,omitempty"`
 	DisableUDP bool     `group:"disable-udp,omitempty"`
+	Filter     string   `group:"filter,omitempty"`
 }
 
-func ParseProxyGroup(config map[string]interface{}, proxyMap map[string]C.Proxy, providersMap map[string]types.ProxyProvider) (C.ProxyAdapter, error) {
+func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, providersMap map[string]types.ProxyProvider) (C.ProxyAdapter, error) {
 	decoder := structure.NewDecoder(structure.Option{TagName: "group", WeaklyTypedInput: true})
 
 	groupOption := &GroupCommonOption{
 		Lazy: true,
 	}
-	if err := decoder.Decode(config, groupOption); err != nil {
+
+	var (
+		filterRegx *regexp.Regexp
+		err        error
+	)
+
+	if err = decoder.Decode(config, groupOption); err != nil {
 		return nil, errFormat
 	}
 
+	if groupOption.Filter != "" {
+		filterRegx, err = regexp.Compile(groupOption.Filter)
+		if err != nil {
+			return nil, fmt.Errorf("invalid filter regex: %w", err)
+		}
+	}
+
 	if groupOption.Type == "" || groupOption.Name == "" {
 		return nil, errFormat
 	}
@@ -59,53 +74,35 @@ func ParseProxyGroup(config map[string]interface{}, proxyMap map[string]C.Proxy,
 			return nil, err
 		}
 
-		// if Use not empty, drop health check options
-		if len(groupOption.Use) != 0 {
-			hc := provider.NewHealthCheck(ps, "", 0, true)
-			pd, err := provider.NewCompatibleProvider(groupName, ps, hc)
-			if err != nil {
-				return nil, err
-			}
-
-			providers = append(providers, pd)
-		} else {
-			if _, ok := providersMap[groupName]; ok {
-				return nil, errDuplicateProvider
-			}
-
-			// select don't need health check
-			if groupOption.Type == "select" || groupOption.Type == "relay" {
-				hc := provider.NewHealthCheck(ps, "", 0, true)
-				pd, err := provider.NewCompatibleProvider(groupName, ps, hc)
-				if err != nil {
-					return nil, err
-				}
-
-				providers = append(providers, pd)
-				providersMap[groupName] = pd
-			} else {
-				if groupOption.URL == "" || groupOption.Interval == 0 {
-					return nil, errMissHealthCheck
-				}
-
-				hc := provider.NewHealthCheck(ps, groupOption.URL, uint(groupOption.Interval), groupOption.Lazy)
-				pd, err := provider.NewCompatibleProvider(groupName, ps, hc)
-				if err != nil {
-					return nil, err
-				}
-
-				providers = append(providers, pd)
-				providersMap[groupName] = pd
-			}
+		if _, ok := providersMap[groupName]; ok {
+			return nil, errDuplicateProvider
 		}
-	}
 
-	if len(groupOption.Use) != 0 {
-		list, err := getProviders(providersMap, groupOption.Use)
+		hc, err := newHealthCheck(ps, groupOption)
 		if err != nil {
 			return nil, err
 		}
-		providers = append(providers, list...)
+
+		pd, err := provider.NewCompatibleProvider(groupName, ps, hc)
+		if err != nil {
+			return nil, err
+		}
+
+		providers = append(providers, pd)
+		providersMap[groupName] = pd
+	}
+
+	if len(groupOption.Use) != 0 {
+		list, err := getProviders(providersMap, groupOption, filterRegx)
+		if err != nil {
+			return nil, err
+		}
+
+		if groupOption.Type == "fallback" {
+			providers = append(list, providers...)
+		} else {
+			providers = append(providers, list...)
+		}
 	}
 
 	var group C.ProxyAdapter
@@ -141,8 +138,13 @@ func getProxies(mapping map[string]C.Proxy, list []string) ([]C.Proxy, error) {
 	return ps, nil
 }
 
-func getProviders(mapping map[string]types.ProxyProvider, list []string) ([]types.ProxyProvider, error) {
-	var ps []types.ProxyProvider
+func getProviders(mapping map[string]types.ProxyProvider, groupOption *GroupCommonOption, filterRegx *regexp.Regexp) ([]types.ProxyProvider, error) {
+	var (
+		ps        []types.ProxyProvider
+		list      = groupOption.Use
+		groupName = groupOption.Name
+	)
+
 	for _, name := range list {
 		p, ok := mapping[name]
 		if !ok {
@@ -152,7 +154,39 @@ func getProviders(mapping map[string]types.ProxyProvider, list []string) ([]type
 		if p.VehicleType() == types.Compatible {
 			return nil, fmt.Errorf("proxy group %s can't contains in `use`", name)
 		}
+
+		if filterRegx != nil {
+			hc, err := newHealthCheck([]C.Proxy{}, groupOption)
+			if err != nil {
+				return nil, err
+			}
+
+			gName := groupName
+			if _, ok = mapping[gName]; ok {
+				gName = groupName + " -> " + p.Name()
+			}
+
+			pd := p.(*provider.ProxySetProvider)
+			p = provider.NewProxyFilterProvider(gName, pd, hc, filterRegx)
+			pd.RegisterProvidersInUse(p)
+		}
+
 		ps = append(ps, p)
 	}
 	return ps, nil
 }
+
+func newHealthCheck(ps []C.Proxy, groupOption *GroupCommonOption) (*provider.HealthCheck, error) {
+	var hc *provider.HealthCheck
+
+	// select don't need health check
+	if groupOption.Type == "select" || groupOption.Type == "relay" {
+		hc = provider.NewHealthCheck(ps, "", 0, true)
+	} else {
+		if groupOption.URL == "" || groupOption.Interval == 0 {
+			return nil, errMissHealthCheck
+		}
+		hc = provider.NewHealthCheck(ps, groupOption.URL, uint(groupOption.Interval), groupOption.Lazy)
+	}
+	return hc, nil
+}

adapter/outboundgroup/relay.go

@@ -4,17 +4,21 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"net"
+	"net/netip"
 
+	"github.com/Dreamacro/clash/adapter"
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/common/singledo"
 	"github.com/Dreamacro/clash/component/dialer"
+	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
 )
 
 type Relay struct {
 	*outbound.Base
-	single    *singledo.Single
+	single    *singledo.Single[[]C.Proxy]
 	providers []provider.ProxyProvider
 }
 
@@ -34,30 +38,12 @@ func (r *Relay) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 		return proxies[0].DialContext(ctx, metadata, r.Base.DialOptions(opts...)...)
 	}
 
-	first := proxies[0]
-	last := proxies[len(proxies)-1]
-
-	c, err := dialer.DialContext(ctx, "tcp", first.Addr(), r.Base.DialOptions(opts...)...)
+	c, err := r.streamContext(ctx, proxies, r.Base.DialOptions(opts...)...)
 	if err != nil {
-		return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
-	}
-	tcpKeepAlive(c)
-
-	var currentMeta *C.Metadata
-	for _, proxy := range proxies[1:] {
-		currentMeta, err = addrToMetadata(proxy.Addr())
-		if err != nil {
-			return nil, err
-		}
-
-		c, err = first.StreamConn(c, currentMeta)
-		if err != nil {
-			return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
-		}
-
-		first = proxy
+		return nil, err
 	}
 
+	last := proxies[len(proxies)-1]
 	c, err = last.StreamConn(c, metadata)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %w", last.Addr(), err)
@@ -66,24 +52,165 @@ func (r *Relay) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 	return outbound.NewConn(c, r), nil
 }
 
+// ListenPacketContext implements C.ProxyAdapter
+func (r *Relay) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
+	var proxies []C.Proxy
+	for _, proxy := range r.proxies(metadata, true) {
+		if proxy.Type() != C.Direct {
+			proxies = append(proxies, proxy)
+		}
+	}
+
+	length := len(proxies)
+
+	switch length {
+	case 0:
+		return outbound.NewDirect().ListenPacketContext(ctx, metadata, r.Base.DialOptions(opts...)...)
+	case 1:
+		proxy := proxies[0]
+		if !proxy.SupportUDP() {
+			return nil, fmt.Errorf("%s connect error: proxy [%s] UDP is not supported", proxy.Addr(), proxy.Name())
+		}
+		return proxy.ListenPacketContext(ctx, metadata, r.Base.DialOptions(opts...)...)
+	}
+
+	var (
+		firstIndex          = 0
+		nextIndex           = 1
+		lastUDPOverTCPIndex = -1
+		rawUDPRelay         = false
+
+		first = proxies[firstIndex]
+		last  = proxies[length-1]
+
+		c           net.Conn
+		cc          net.Conn
+		err         error
+		currentMeta *C.Metadata
+	)
+
+	if !last.SupportUDP() {
+		return nil, fmt.Errorf("%s connect error: proxy [%s] UDP is not supported in relay chains", last.Addr(), last.Name())
+	}
+
+	rawUDPRelay, lastUDPOverTCPIndex = isRawUDPRelay(proxies)
+
+	if first.Type() == C.Socks5 {
+		cc1, err1 := dialer.DialContext(ctx, "tcp", first.Addr(), r.Base.DialOptions(opts...)...)
+		if err1 != nil {
+			return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
+		}
+		cc = cc1
+		tcpKeepAlive(cc)
+
+		var pc net.PacketConn
+		pc, err = dialer.ListenPacket(ctx, "udp", "", r.Base.DialOptions(opts...)...)
+		c = outbound.WrapConn(pc)
+	} else if rawUDPRelay {
+		var pc net.PacketConn
+		pc, err = dialer.ListenPacket(ctx, "udp", "", r.Base.DialOptions(opts...)...)
+		c = outbound.WrapConn(pc)
+	} else {
+		firstIndex = lastUDPOverTCPIndex
+		nextIndex = firstIndex + 1
+		first = proxies[firstIndex]
+		c, err = r.streamContext(ctx, proxies[:nextIndex], r.Base.DialOptions(opts...)...)
+	}
+
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
+	}
+
+	if nextIndex < length {
+		for i, proxy := range proxies[nextIndex:] { // raw udp in loop
+			currentMeta, err = addrToMetadata(proxy.Addr())
+			if err != nil {
+				return nil, err
+			}
+			currentMeta.NetWork = C.UDP
+
+			if !isRawUDP(first) && !first.SupportUDP() {
+				return nil, fmt.Errorf("%s connect error: proxy [%s] UDP is not supported in relay chains", first.Addr(), first.Name())
+			}
+
+			if needResolveIP(first, currentMeta) {
+				var ip netip.Addr
+				ip, err = resolver.ResolveProxyServerHost(currentMeta.Host)
+				if err != nil {
+					return nil, fmt.Errorf("can't resolve ip: %w", err)
+				}
+				currentMeta.DstIP = ip
+			}
+
+			if cc != nil { // socks5
+				c, err = streamSocks5PacketConn(first, cc, c, currentMeta)
+				cc = nil
+			} else {
+				c, err = first.StreamPacketConn(c, currentMeta)
+			}
+
+			if err != nil {
+				return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
+			}
+
+			if proxy.Type() == C.Socks5 {
+				endIndex := nextIndex + i + 1
+				cc, err = r.streamContext(ctx, proxies[:endIndex], r.Base.DialOptions(opts...)...)
+				if err != nil {
+					return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
+				}
+			}
+
+			first = proxy
+		}
+	}
+
+	if cc != nil {
+		c, err = streamSocks5PacketConn(last, cc, c, metadata)
+	} else {
+		c, err = last.StreamPacketConn(c, metadata)
+	}
+
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %w", last.Addr(), err)
+	}
+
+	return outbound.NewPacketConn(c.(net.PacketConn), r), nil
+}
+
+// SupportUDP implements C.ProxyAdapter
+func (r *Relay) SupportUDP() bool {
+	proxies := r.rawProxies(true)
+
+	l := len(proxies)
+
+	if l == 0 {
+		return true
+	}
+
+	last := proxies[l-1]
+
+	return isRawUDP(last) || last.SupportUDP()
+}
+
 // MarshalJSON implements C.ProxyAdapter
 func (r *Relay) MarshalJSON() ([]byte, error) {
 	var all []string
 	for _, proxy := range r.rawProxies(false) {
 		all = append(all, proxy.Name())
 	}
-	return json.Marshal(map[string]interface{}{
+	return json.Marshal(map[string]any{
 		"type": r.Type().String(),
 		"all":  all,
 	})
 }
 
 func (r *Relay) rawProxies(touch bool) []C.Proxy {
-	elm, _, _ := r.single.Do(func() (interface{}, error) {
+	elm, _, _ := r.single.Do(func() ([]C.Proxy, error) {
 		return getProvidersProxies(r.providers, touch), nil
 	})
 
-	return elm.([]C.Proxy)
+	return elm
 }
 
 func (r *Relay) proxies(metadata *C.Metadata, touch bool) []C.Proxy {
@@ -100,6 +227,83 @@ func (r *Relay) proxies(metadata *C.Metadata, touch bool) []C.Proxy {
 	return proxies
 }
 
+func (r *Relay) streamContext(ctx context.Context, proxies []C.Proxy, opts ...dialer.Option) (net.Conn, error) {
+	first := proxies[0]
+
+	c, err := dialer.DialContext(ctx, "tcp", first.Addr(), opts...)
+	if err != nil {
+		return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
+	}
+	tcpKeepAlive(c)
+
+	if len(proxies) > 1 {
+		var currentMeta *C.Metadata
+		for _, proxy := range proxies[1:] {
+			currentMeta, err = addrToMetadata(proxy.Addr())
+			if err != nil {
+				return nil, err
+			}
+
+			c, err = first.StreamConn(c, currentMeta)
+			if err != nil {
+				return nil, fmt.Errorf("%s connect error: %w", first.Addr(), err)
+			}
+
+			first = proxy
+		}
+	}
+
+	return c, nil
+}
+
+func streamSocks5PacketConn(proxy C.Proxy, cc, c net.Conn, metadata *C.Metadata) (net.Conn, error) {
+	pc, err := proxy.(*adapter.Proxy).ProxyAdapter.(*outbound.Socks5).StreamSocks5PacketConn(cc, c.(net.PacketConn), metadata)
+	return outbound.WrapConn(pc), err
+}
+
+func isRawUDPRelay(proxies []C.Proxy) (bool, int) {
+	var (
+		lastIndex           = len(proxies) - 1
+		last                = proxies[lastIndex]
+		isLastRawUDP        = isRawUDP(last)
+		isUDPOverTCP        = false
+		lastUDPOverTCPIndex = -1
+	)
+
+	for i := lastIndex; i >= 0; i-- {
+		p := proxies[i]
+
+		isUDPOverTCP = isUDPOverTCP || !isRawUDP(p)
+
+		if isLastRawUDP && isUDPOverTCP && lastUDPOverTCPIndex == -1 {
+			lastUDPOverTCPIndex = i
+		}
+	}
+
+	if !isLastRawUDP {
+		lastUDPOverTCPIndex = lastIndex
+	}
+
+	return !isUDPOverTCP, lastUDPOverTCPIndex
+}
+
+func isRawUDP(proxy C.ProxyAdapter) bool {
+	if proxy.Type() == C.Shadowsocks || proxy.Type() == C.ShadowsocksR || proxy.Type() == C.Socks5 {
+		return true
+	}
+	return false
+}
+
+func needResolveIP(proxy C.ProxyAdapter, metadata *C.Metadata) bool {
+	if metadata.Resolved() {
+		return false
+	}
+	if proxy.Type() != C.Vmess && proxy.Type() != C.Vless {
+		return false
+	}
+	return true
+}
+
 func NewRelay(option *GroupCommonOption, providers []provider.ProxyProvider) *Relay {
 	return &Relay{
 		Base: outbound.NewBase(outbound.BaseOption{
@@ -108,7 +312,7 @@ func NewRelay(option *GroupCommonOption, providers []provider.ProxyProvider) *Re
 			Interface:   option.Interface,
 			RoutingMark: option.RoutingMark,
 		}),
-		single:    singledo.NewSingle(defaultGetProxiesDuration),
+		single:    singledo.NewSingle[[]C.Proxy](defaultGetProxiesDuration),
 		providers: providers,
 	}
 }

adapter/outboundgroup/selector.go

@@ -15,7 +15,7 @@ import (
 type Selector struct {
 	*outbound.Base
 	disableUDP bool
-	single     *singledo.Single
+	single     *singledo.Single[C.Proxy]
 	selected   string
 	providers  []provider.ProxyProvider
 }
@@ -54,7 +54,7 @@ func (s *Selector) MarshalJSON() ([]byte, error) {
 		all = append(all, proxy.Name())
 	}
 
-	return json.Marshal(map[string]interface{}{
+	return json.Marshal(map[string]any{
 		"type": s.Type().String(),
 		"now":  s.Now(),
 		"all":  all,
@@ -83,7 +83,7 @@ func (s *Selector) Unwrap(metadata *C.Metadata) C.Proxy {
 }
 
 func (s *Selector) selectedProxy(touch bool) C.Proxy {
-	elm, _, _ := s.single.Do(func() (interface{}, error) {
+	elm, _, _ := s.single.Do(func() (C.Proxy, error) {
 		proxies := getProvidersProxies(s.providers, touch)
 		for _, proxy := range proxies {
 			if proxy.Name() == s.selected {
@@ -94,11 +94,15 @@ func (s *Selector) selectedProxy(touch bool) C.Proxy {
 		return proxies[0], nil
 	})
 
-	return elm.(C.Proxy)
+	return elm
 }
 
 func NewSelector(option *GroupCommonOption, providers []provider.ProxyProvider) *Selector {
-	selected := providers[0].Proxies()[0].Name()
+	selected := "REJECT"
+	if len(providers) != 0 && len(providers[0].Proxies()) != 0 {
+		selected = providers[0].Proxies()[0].Name()
+	}
+
 	return &Selector{
 		Base: outbound.NewBase(outbound.BaseOption{
 			Name:        option.Name,
@@ -106,7 +110,7 @@ func NewSelector(option *GroupCommonOption, providers []provider.ProxyProvider)
 			Interface:   option.Interface,
 			RoutingMark: option.RoutingMark,
 		}),
-		single:     singledo.NewSingle(defaultGetProxiesDuration),
+		single:     singledo.NewSingle[C.Proxy](defaultGetProxiesDuration),
 		providers:  providers,
 		selected:   selected,
 		disableUDP: option.DisableUDP,

adapter/outboundgroup/urltest.go

@@ -25,8 +25,8 @@ type URLTest struct {
 	tolerance  uint16
 	disableUDP bool
 	fastNode   C.Proxy
-	single     *singledo.Single
-	fastSingle *singledo.Single
+	single     *singledo.Single[[]C.Proxy]
+	fastSingle *singledo.Single[C.Proxy]
 	providers  []provider.ProxyProvider
 }
 
@@ -58,15 +58,15 @@ func (u *URLTest) Unwrap(metadata *C.Metadata) C.Proxy {
 }
 
 func (u *URLTest) proxies(touch bool) []C.Proxy {
-	elm, _, _ := u.single.Do(func() (interface{}, error) {
+	elm, _, _ := u.single.Do(func() ([]C.Proxy, error) {
 		return getProvidersProxies(u.providers, touch), nil
 	})
 
-	return elm.([]C.Proxy)
+	return elm
 }
 
 func (u *URLTest) fast(touch bool) C.Proxy {
-	elm, _, _ := u.fastSingle.Do(func() (interface{}, error) {
+	elm, _, _ := u.fastSingle.Do(func() (C.Proxy, error) {
 		proxies := u.proxies(touch)
 		fast := proxies[0]
 		min := fast.LastDelay()
@@ -96,7 +96,7 @@ func (u *URLTest) fast(touch bool) C.Proxy {
 		return u.fastNode, nil
 	})
 
-	return elm.(C.Proxy)
+	return elm
 }
 
 // SupportUDP implements C.ProxyAdapter
@@ -114,21 +114,19 @@ func (u *URLTest) MarshalJSON() ([]byte, error) {
 	for _, proxy := range u.proxies(false) {
 		all = append(all, proxy.Name())
 	}
-	return json.Marshal(map[string]interface{}{
+	return json.Marshal(map[string]any{
 		"type": u.Type().String(),
 		"now":  u.Now(),
 		"all":  all,
 	})
 }
 
-func parseURLTestOption(config map[string]interface{}) []urlTestOption {
+func parseURLTestOption(config map[string]any) []urlTestOption {
 	opts := []urlTestOption{}
 
 	// tolerance
-	if elm, ok := config["tolerance"]; ok {
-		if tolerance, ok := elm.(int); ok {
-			opts = append(opts, urlTestWithTolerance(uint16(tolerance)))
-		}
+	if tolerance, ok := config["tolerance"].(int); ok {
+		opts = append(opts, urlTestWithTolerance(uint16(tolerance)))
 	}
 
 	return opts
@@ -142,8 +140,8 @@ func NewURLTest(option *GroupCommonOption, providers []provider.ProxyProvider, o
 			Interface:   option.Interface,
 			RoutingMark: option.RoutingMark,
 		}),
-		single:     singledo.NewSingle(defaultGetProxiesDuration),
-		fastSingle: singledo.NewSingle(time.Second * 10),
+		single:     singledo.NewSingle[[]C.Proxy](defaultGetProxiesDuration),
+		fastSingle: singledo.NewSingle[C.Proxy](time.Second * 10),
 		providers:  providers,
 		disableUDP: option.DisableUDP,
 	}

adapter/outboundgroup/util.go

@@ -3,6 +3,7 @@ package outboundgroup
 import (
 	"fmt"
 	"net"
+	"net/netip"
 	"time"
 
 	C "github.com/Dreamacro/clash/constant"
@@ -15,20 +16,20 @@ func addrToMetadata(rawAddress string) (addr *C.Metadata, err error) {
 		return
 	}
 
-	ip := net.ParseIP(host)
-	if ip == nil {
+	ip, err := netip.ParseAddr(host)
+	if err != nil {
 		addr = &C.Metadata{
 			AddrType: C.AtypDomainName,
 			Host:     host,
-			DstIP:    nil,
+			DstIP:    netip.Addr{},
 			DstPort:  port,
 		}
-		return
-	} else if ip4 := ip.To4(); ip4 != nil {
+		return addr, nil
+	} else if ip.Is4() {
 		addr = &C.Metadata{
 			AddrType: C.AtypIPv4,
 			Host:     "",
-			DstIP:    ip4,
+			DstIP:    ip,
 			DstPort:  port,
 		}
 		return
@@ -45,7 +46,8 @@ func addrToMetadata(rawAddress string) (addr *C.Metadata, err error) {
 
 func tcpKeepAlive(c net.Conn) {
 	if tcp, ok := c.(*net.TCPConn); ok {
-		tcp.SetKeepAlive(true)
-		tcp.SetKeepAlivePeriod(30 * time.Second)
+		_ = tcp.SetKeepAlive(true)
+		_ = tcp.SetKeepAlivePeriod(30 * time.Second)
+		_ = tcp.SetLinger(0)
 	}
 }

adapter/parser.go

@@ -8,7 +8,7 @@ import (
 	C "github.com/Dreamacro/clash/constant"
 )
 
-func ParseProxy(mapping map[string]interface{}) (C.Proxy, error) {
+func ParseProxy(mapping map[string]any, forceCertVerify bool) (C.Proxy, error) {
 	decoder := structure.NewDecoder(structure.Option{TagName: "proxy", WeaklyTypedInput: true})
 	proxyType, existType := mapping["type"].(string)
 	if !existType {
@@ -40,6 +40,9 @@ func ParseProxy(mapping map[string]interface{}) (C.Proxy, error) {
 		if err != nil {
 			break
 		}
+		if forceCertVerify {
+			socksOption.SkipCertVerify = false
+		}
 		proxy = outbound.NewSocks5(*socksOption)
 	case "http":
 		httpOption := &outbound.HttpOption{}
@@ -47,19 +50,36 @@ func ParseProxy(mapping map[string]interface{}) (C.Proxy, error) {
 		if err != nil {
 			break
 		}
+		if forceCertVerify {
+			httpOption.SkipCertVerify = false
+		}
 		proxy = outbound.NewHttp(*httpOption)
 	case "vmess":
 		vmessOption := &outbound.VmessOption{
 			HTTPOpts: outbound.HTTPOptions{
-				Method: "GET",
-				Path:   []string{"/"},
+				Method:  "GET",
+				Path:    []string{"/"},
+				Headers: make(map[string][]string),
 			},
 		}
 		err = decoder.Decode(mapping, vmessOption)
 		if err != nil {
 			break
 		}
+		if forceCertVerify {
+			vmessOption.SkipCertVerify = false
+		}
 		proxy, err = outbound.NewVmess(*vmessOption)
+	case "vless":
+		vlessOption := &outbound.VlessOption{}
+		err = decoder.Decode(mapping, vlessOption)
+		if err != nil {
+			break
+		}
+		if forceCertVerify {
+			vlessOption.SkipCertVerify = false
+		}
+		proxy, err = outbound.NewVless(*vlessOption)
 	case "snell":
 		snellOption := &outbound.SnellOption{}
 		err = decoder.Decode(mapping, snellOption)
@@ -73,6 +93,9 @@ func ParseProxy(mapping map[string]interface{}) (C.Proxy, error) {
 		if err != nil {
 			break
 		}
+		if forceCertVerify {
+			trojanOption.SkipCertVerify = false
+		}
 		proxy, err = outbound.NewTrojan(*trojanOption)
 	default:
 		return nil, fmt.Errorf("unsupport proxy type: %s", proxyType)

adapter/provider/fetcher.go

@@ -5,6 +5,7 @@ import (
 	"crypto/md5"
 	"os"
 	"path/filepath"
+	"regexp"
 	"time"
 
 	types "github.com/Dreamacro/clash/constant/provider"
@@ -14,30 +15,32 @@ import (
 var (
 	fileMode os.FileMode = 0o666
 	dirMode  os.FileMode = 0o755
+
+	commentRegx = regexp.MustCompile(`(.*#.*\n)`)
 )
 
-type parser = func([]byte) (interface{}, error)
+type parser[V any] func([]byte) (V, error)
 
-type fetcher struct {
+type fetcher[V any] struct {
 	name      string
 	vehicle   types.Vehicle
 	updatedAt *time.Time
 	ticker    *time.Ticker
 	done      chan struct{}
 	hash      [16]byte
-	parser    parser
-	onUpdate  func(interface{})
+	parser    parser[V]
+	onUpdate  func(V)
 }
 
-func (f *fetcher) Name() string {
+func (f *fetcher[V]) Name() string {
 	return f.name
 }
 
-func (f *fetcher) VehicleType() types.VehicleType {
+func (f *fetcher[V]) VehicleType() types.VehicleType {
 	return f.vehicle.Type()
 }
 
-func (f *fetcher) Initial() (interface{}, error) {
+func (f *fetcher[V]) Initial() (V, error) {
 	var (
 		buf     []byte
 		err     error
@@ -53,24 +56,24 @@ func (f *fetcher) Initial() (interface{}, error) {
 	}
 
 	if err != nil {
-		return nil, err
+		return getZero[V](), err
 	}
 
 	proxies, err := f.parser(buf)
 	if err != nil {
 		if !isLocal {
-			return nil, err
+			return getZero[V](), err
 		}
 
 		// parse local file error, fallback to remote
 		buf, err = f.vehicle.Read()
 		if err != nil {
-			return nil, err
+			return getZero[V](), err
 		}
 
 		proxies, err = f.parser(buf)
 		if err != nil {
-			return nil, err
+			return getZero[V](), err
 		}
 
 		isLocal = false
@@ -78,7 +81,7 @@ func (f *fetcher) Initial() (interface{}, error) {
 
 	if f.vehicle.Type() != types.File && !isLocal {
 		if err := safeWrite(f.vehicle.Path(), buf); err != nil {
-			return nil, err
+			return getZero[V](), err
 		}
 	}
 
@@ -92,27 +95,28 @@ func (f *fetcher) Initial() (interface{}, error) {
 	return proxies, nil
 }
 
-func (f *fetcher) Update() (interface{}, bool, error) {
+func (f *fetcher[V]) Update() (V, bool, error) {
 	buf, err := f.vehicle.Read()
 	if err != nil {
-		return nil, false, err
+		return getZero[V](), false, err
 	}
 
 	now := time.Now()
 	hash := md5.Sum(buf)
 	if bytes.Equal(f.hash[:], hash[:]) {
 		f.updatedAt = &now
-		return nil, true, nil
+		_ = os.Chtimes(f.vehicle.Path(), now, now)
+		return getZero[V](), true, nil
 	}
 
 	proxies, err := f.parser(buf)
 	if err != nil {
-		return nil, false, err
+		return getZero[V](), false, err
 	}
 
 	if f.vehicle.Type() != types.File {
 		if err := safeWrite(f.vehicle.Path(), buf); err != nil {
-			return nil, false, err
+			return getZero[V](), false, err
 		}
 	}
 
@@ -122,14 +126,14 @@ func (f *fetcher) Update() (interface{}, bool, error) {
 	return proxies, false, nil
 }
 
-func (f *fetcher) Destroy() error {
+func (f *fetcher[V]) Destroy() error {
 	if f.ticker != nil {
 		f.done <- struct{}{}
 	}
 	return nil
 }
 
-func (f *fetcher) pullLoop() {
+func (f *fetcher[V]) pullLoop() {
 	for {
 		select {
 		case <-f.ticker.C:
@@ -167,13 +171,25 @@ func safeWrite(path string, buf []byte) error {
 	return os.WriteFile(path, buf, fileMode)
 }
 
-func newFetcher(name string, interval time.Duration, vehicle types.Vehicle, parser parser, onUpdate func(interface{})) *fetcher {
+func removeComment(buf []byte) []byte {
+	arr := commentRegx.FindAllSubmatch(buf, -1)
+	for _, subs := range arr {
+		sub := subs[0]
+		if !bytes.HasPrefix(bytes.TrimLeft(sub, " 	"), []byte("#")) {
+			continue
+		}
+		buf = bytes.Replace(buf, sub, []byte(""), 1)
+	}
+	return buf
+}
+
+func newFetcher[V any](name string, interval time.Duration, vehicle types.Vehicle, parser parser[V], onUpdate func(V)) *fetcher[V] {
 	var ticker *time.Ticker
 	if interval != 0 {
 		ticker = time.NewTicker(interval)
 	}
 
-	return &fetcher{
+	return &fetcher[V]{
 		name:     name,
 		ticker:   ticker,
 		vehicle:  vehicle,
@@ -182,3 +198,8 @@ func newFetcher(name string, interval time.Duration, vehicle types.Vehicle, pars
 		onUpdate: onUpdate,
 	}
 }
+
+func getZero[V any]() V {
+	var result V
+	return result
+}

adapter/provider/healthcheck.go

@@ -25,13 +25,25 @@ type HealthCheck struct {
 	interval  uint
 	lazy      bool
 	lastTouch *atomic.Int64
+	running   *atomic.Bool
 	done      chan struct{}
 }
 
 func (hc *HealthCheck) process() {
+	if hc.running.Load() {
+		return
+	}
+	hc.running.Store(true)
+
 	ticker := time.NewTicker(time.Duration(hc.interval) * time.Second)
 
-	go hc.check()
+	go func() {
+		t := time.NewTicker(30 * time.Second)
+		<-t.C
+		t.Stop()
+		hc.check()
+	}()
+
 	for {
 		select {
 		case <-ticker.C:
@@ -59,20 +71,29 @@ func (hc *HealthCheck) touch() {
 }
 
 func (hc *HealthCheck) check() {
-	b, _ := batch.New(context.Background(), batch.WithConcurrencyNum(10))
-	for _, proxy := range hc.proxies {
+	proxies := hc.proxies
+	if len(proxies) == 0 {
+		return
+	}
+
+	b, _ := batch.New[bool](context.Background(), batch.WithConcurrencyNum[bool](10))
+	for _, proxy := range proxies {
 		p := proxy
-		b.Go(p.Name(), func() (interface{}, error) {
+		b.Go(p.Name(), func() (bool, error) {
 			ctx, cancel := context.WithTimeout(context.Background(), defaultURLTestTimeout)
 			defer cancel()
-			p.URLTest(ctx, hc.url)
-			return nil, nil
+			_, _ = p.URLTest(ctx, hc.url)
+			return false, nil
 		})
 	}
 	b.Wait()
 }
 
 func (hc *HealthCheck) close() {
+	if !hc.running.Load() {
+		return
+	}
+	hc.running.Store(false)
 	hc.done <- struct{}{}
 }
 
@@ -83,6 +104,7 @@ func NewHealthCheck(proxies []C.Proxy, url string, interval uint, lazy bool) *He
 		interval:  interval,
 		lazy:      lazy,
 		lastTouch: atomic.NewInt64(0),
+		running:   atomic.NewBool(false),
 		done:      make(chan struct{}, 1),
 	}
 }

adapter/provider/parser.go

@@ -20,14 +20,18 @@ type healthCheckSchema struct {
 }
 
 type proxyProviderSchema struct {
-	Type        string            `provider:"type"`
-	Path        string            `provider:"path"`
-	URL         string            `provider:"url,omitempty"`
-	Interval    int               `provider:"interval,omitempty"`
-	HealthCheck healthCheckSchema `provider:"health-check,omitempty"`
+	Type            string              `provider:"type"`
+	Path            string              `provider:"path"`
+	URL             string              `provider:"url,omitempty"`
+	Interval        int                 `provider:"interval,omitempty"`
+	Filter          string              `provider:"filter,omitempty"`
+	HealthCheck     healthCheckSchema   `provider:"health-check,omitempty"`
+	ForceCertVerify bool                `provider:"force-cert-verify,omitempty"`
+	PrefixName      string              `provider:"prefix-name,omitempty"`
+	Header          map[string][]string `provider:"header,omitempty"`
 }
 
-func ParseProxyProvider(name string, mapping map[string]interface{}) (types.ProxyProvider, error) {
+func ParseProxyProvider(name string, mapping map[string]any, forceCertVerify bool) (types.ProxyProvider, error) {
 	decoder := structure.NewDecoder(structure.Option{TagName: "provider", WeaklyTypedInput: true})
 
 	schema := &proxyProviderSchema{
@@ -35,6 +39,11 @@ func ParseProxyProvider(name string, mapping map[string]interface{}) (types.Prox
 			Lazy: true,
 		},
 	}
+
+	if forceCertVerify {
+		schema.ForceCertVerify = true
+	}
+
 	if err := decoder.Decode(mapping, schema); err != nil {
 		return nil, err
 	}
@@ -52,11 +61,12 @@ func ParseProxyProvider(name string, mapping map[string]interface{}) (types.Prox
 	case "file":
 		vehicle = NewFileVehicle(path)
 	case "http":
-		vehicle = NewHTTPVehicle(schema.URL, path)
+		vehicle = NewHTTPVehicle(schema.URL, path, schema.Header)
 	default:
 		return nil, fmt.Errorf("%w: %s", errVehicleType, schema.Type)
 	}
 
 	interval := time.Duration(uint(schema.Interval)) * time.Second
-	return NewProxySetProvider(name, interval, vehicle, hc), nil
+	filter := schema.Filter
+	return NewProxySetProvider(name, interval, filter, vehicle, hc, schema.ForceCertVerify, schema.PrefixName)
 }

adapter/provider/provider.go

@@ -4,14 +4,16 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"regexp"
 	"runtime"
 	"time"
 
 	"github.com/Dreamacro/clash/adapter"
+	"github.com/Dreamacro/clash/common/convert"
 	C "github.com/Dreamacro/clash/constant"
 	types "github.com/Dreamacro/clash/constant/provider"
 
-	"gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 )
 
 const (
@@ -19,22 +21,23 @@ const (
 )
 
 type ProxySchema struct {
-	Proxies []map[string]interface{} `yaml:"proxies"`
+	Proxies []map[string]any `yaml:"proxies"`
 }
 
-// for auto gc
+// ProxySetProvider for auto gc
 type ProxySetProvider struct {
 	*proxySetProvider
 }
 
 type proxySetProvider struct {
-	*fetcher
-	proxies     []C.Proxy
-	healthCheck *HealthCheck
+	*fetcher[[]C.Proxy]
+	proxies        []C.Proxy
+	healthCheck    *HealthCheck
+	providersInUse []types.ProxyProvider
 }
 
 func (pp *proxySetProvider) MarshalJSON() ([]byte, error) {
-	return json.Marshal(map[string]interface{}{
+	return json.Marshal(map[string]any{
 		"name":        pp.Name(),
 		"type":        pp.Type().String(),
 		"vehicleType": pp.VehicleType().String(),
@@ -82,47 +85,30 @@ func (pp *proxySetProvider) ProxiesWithTouch() []C.Proxy {
 	return pp.Proxies()
 }
 
-func proxiesParse(buf []byte) (interface{}, error) {
-	schema := &ProxySchema{}
-
-	if err := yaml.Unmarshal(buf, schema); err != nil {
-		return nil, err
-	}
-
-	if schema.Proxies == nil {
-		return nil, errors.New("file must have a `proxies` field")
-	}
-
-	proxies := []C.Proxy{}
-	for idx, mapping := range schema.Proxies {
-		proxy, err := adapter.ParseProxy(mapping)
-		if err != nil {
-			return nil, fmt.Errorf("proxy %d error: %w", idx, err)
-		}
-		proxies = append(proxies, proxy)
-	}
-
-	if len(proxies) == 0 {
-		return nil, errors.New("file doesn't have any valid proxy")
-	}
-
-	return proxies, nil
-}
-
 func (pp *proxySetProvider) setProxies(proxies []C.Proxy) {
 	pp.proxies = proxies
 	pp.healthCheck.setProxy(proxies)
-	if pp.healthCheck.auto() {
-		go pp.healthCheck.check()
+
+	for _, use := range pp.providersInUse {
+		_ = use.Update()
 	}
 }
 
+func (pp *proxySetProvider) RegisterProvidersInUse(providers ...types.ProxyProvider) {
+	pp.providersInUse = append(pp.providersInUse, providers...)
+}
+
 func stopProxyProvider(pd *ProxySetProvider) {
 	pd.healthCheck.close()
-	pd.fetcher.Destroy()
+	_ = pd.fetcher.Destroy()
 }
 
-func NewProxySetProvider(name string, interval time.Duration, vehicle types.Vehicle, hc *HealthCheck) *ProxySetProvider {
+func NewProxySetProvider(name string, interval time.Duration, filter string, vehicle types.Vehicle, hc *HealthCheck, forceCertVerify bool, prefixName string) (*ProxySetProvider, error) {
+	filterReg, err := regexp.Compile(filter)
+	if err != nil {
+		return nil, fmt.Errorf("invalid filter regex: %w", err)
+	}
+
 	if hc.auto() {
 		go hc.process()
 	}
@@ -132,20 +118,15 @@ func NewProxySetProvider(name string, interval time.Duration, vehicle types.Vehi
 		healthCheck: hc,
 	}
 
-	onUpdate := func(elm interface{}) {
-		ret := elm.([]C.Proxy)
-		pd.setProxies(ret)
-	}
-
-	fetcher := newFetcher(name, interval, vehicle, proxiesParse, onUpdate)
+	fetcher := newFetcher[[]C.Proxy](name, interval, vehicle, proxiesParseAndFilter(filter, filterReg, forceCertVerify, prefixName), proxiesOnUpdate(pd))
 	pd.fetcher = fetcher
 
 	wrapper := &ProxySetProvider{pd}
 	runtime.SetFinalizer(wrapper, stopProxyProvider)
-	return wrapper
+	return wrapper, nil
 }
 
-// for auto gc
+// CompatibleProvider for auto gc
 type CompatibleProvider struct {
 	*compatibleProvider
 }
@@ -157,7 +138,7 @@ type compatibleProvider struct {
 }
 
 func (cp *compatibleProvider) MarshalJSON() ([]byte, error) {
-	return json.Marshal(map[string]interface{}{
+	return json.Marshal(map[string]any{
 		"name":        cp.Name(),
 		"type":        cp.Type().String(),
 		"vehicleType": cp.VehicleType().String(),
@@ -221,3 +202,148 @@ func NewCompatibleProvider(name string, proxies []C.Proxy, hc *HealthCheck) (*Co
 	runtime.SetFinalizer(wrapper, stopCompatibleProvider)
 	return wrapper, nil
 }
+
+// ProxyFilterProvider for filter provider
+type ProxyFilterProvider struct {
+	*proxyFilterProvider
+}
+
+type proxyFilterProvider struct {
+	name        string
+	psd         *ProxySetProvider
+	proxies     []C.Proxy
+	filter      *regexp.Regexp
+	healthCheck *HealthCheck
+}
+
+func (pf *proxyFilterProvider) MarshalJSON() ([]byte, error) {
+	return json.Marshal(map[string]any{
+		"name":        pf.Name(),
+		"type":        pf.Type().String(),
+		"vehicleType": pf.VehicleType().String(),
+		"proxies":     pf.Proxies(),
+	})
+}
+
+func (pf *proxyFilterProvider) Name() string {
+	return pf.name
+}
+
+func (pf *proxyFilterProvider) HealthCheck() {
+	pf.healthCheck.check()
+}
+
+func (pf *proxyFilterProvider) Update() error {
+	pf.healthCheck.close()
+
+	proxies := []C.Proxy{}
+	if pf.filter != nil {
+		for _, proxy := range pf.psd.Proxies() {
+			if !pf.filter.MatchString(proxy.Name()) {
+				continue
+			}
+			proxies = append(proxies, proxy)
+		}
+	} else {
+		proxies = pf.psd.Proxies()
+	}
+
+	pf.proxies = proxies
+	pf.healthCheck.setProxy(proxies)
+
+	if len(proxies) != 0 && pf.healthCheck.auto() {
+		go pf.healthCheck.process()
+	}
+	return nil
+}
+
+func (pf *proxyFilterProvider) Initial() error {
+	return nil
+}
+
+func (pf *proxyFilterProvider) VehicleType() types.VehicleType {
+	return pf.psd.VehicleType()
+}
+
+func (pf *proxyFilterProvider) Type() types.ProviderType {
+	return types.Proxy
+}
+
+func (pf *proxyFilterProvider) Proxies() []C.Proxy {
+	return pf.proxies
+}
+
+func (pf *proxyFilterProvider) ProxiesWithTouch() []C.Proxy {
+	pf.healthCheck.touch()
+	return pf.Proxies()
+}
+
+func stopProxyFilterProvider(pf *ProxyFilterProvider) {
+	pf.healthCheck.close()
+}
+
+func NewProxyFilterProvider(name string, psd *ProxySetProvider, hc *HealthCheck, filterRegx *regexp.Regexp) *ProxyFilterProvider {
+	pd := &proxyFilterProvider{
+		psd:         psd,
+		name:        name,
+		healthCheck: hc,
+		filter:      filterRegx,
+	}
+
+	_ = pd.Update()
+
+	wrapper := &ProxyFilterProvider{pd}
+	runtime.SetFinalizer(wrapper, stopProxyFilterProvider)
+	return wrapper
+}
+
+func proxiesOnUpdate(pd *proxySetProvider) func([]C.Proxy) {
+	return func(elm []C.Proxy) {
+		pd.setProxies(elm)
+	}
+}
+
+func proxiesParseAndFilter(filter string, filterReg *regexp.Regexp, forceCertVerify bool, prefixName string) parser[[]C.Proxy] {
+	return func(buf []byte) ([]C.Proxy, error) {
+		schema := &ProxySchema{}
+
+		if err := yaml.Unmarshal(buf, schema); err != nil {
+			proxies, err1 := convert.ConvertsV2Ray(buf)
+			if err1 != nil {
+				return nil, fmt.Errorf("%w, %s", err, err1.Error())
+			}
+			schema.Proxies = proxies
+		}
+
+		if schema.Proxies == nil {
+			return nil, errors.New("file must have a `proxies` field")
+		}
+
+		proxies := []C.Proxy{}
+		for idx, mapping := range schema.Proxies {
+			name, ok := mapping["name"].(string)
+			if ok && len(filter) > 0 && !filterReg.MatchString(name) {
+				continue
+			}
+
+			if prefixName != "" {
+				mapping["name"] = prefixName + name
+			}
+
+			proxy, err := adapter.ParseProxy(mapping, forceCertVerify)
+			if err != nil {
+				return nil, fmt.Errorf("proxy %d error: %w", idx, err)
+			}
+			proxies = append(proxies, proxy)
+		}
+
+		if len(proxies) == 0 {
+			if len(filter) > 0 {
+				return nil, errors.New("doesn't match any proxy, please check your filter")
+			}
+			return nil, errors.New("file doesn't have any proxy")
+		}
+
+		return proxies, nil
+	}
+}

adapter/provider/vehicle.go

@@ -9,6 +9,7 @@ import (
 	"os"
 	"time"
 
+	"github.com/Dreamacro/clash/common/convert"
 	"github.com/Dreamacro/clash/component/dialer"
 	types "github.com/Dreamacro/clash/constant/provider"
 )
@@ -34,8 +35,9 @@ func NewFileVehicle(path string) *FileVehicle {
 }
 
 type HTTPVehicle struct {
-	url  string
-	path string
+	url    string
+	path   string
+	header http.Header
 }
 
 func (h *HTTPVehicle) Type() types.VehicleType {
@@ -60,11 +62,17 @@ func (h *HTTPVehicle) Read() ([]byte, error) {
 		return nil, err
 	}
 
+	if h.header != nil {
+		req.Header = h.header
+	}
+
 	if user := uri.User; user != nil {
 		password, _ := user.Password()
 		req.SetBasicAuth(user.Username(), password)
 	}
 
+	convert.SetUserAgent(req.Header)
+
 	req = req.WithContext(ctx)
 
 	transport := &http.Transport{
@@ -74,7 +82,10 @@ func (h *HTTPVehicle) Read() ([]byte, error) {
 		TLSHandshakeTimeout:   10 * time.Second,
 		ExpectContinueTimeout: 1 * time.Second,
 		DialContext: func(ctx context.Context, network, address string) (net.Conn, error) {
-			return dialer.DialContext(ctx, network, address)
+			if req.URL.Scheme == "https" {
+				return (&net.Dialer{}).DialContext(ctx, network, address) // forward to tun if tun enabled
+			}
+			return dialer.DialContext(ctx, network, address, dialer.WithDirect()) // with direct
 		},
 	}
 
@@ -83,16 +94,18 @@ func (h *HTTPVehicle) Read() ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer resp.Body.Close()
+	defer func() {
+		_ = resp.Body.Close()
+	}()
 
 	buf, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err
 	}
 
-	return buf, nil
+	return removeComment(buf), nil
 }
 
-func NewHTTPVehicle(url string, path string) *HTTPVehicle {
-	return &HTTPVehicle{url, path}
+func NewHTTPVehicle(url string, path string, header http.Header) *HTTPVehicle {
+	return &HTTPVehicle{url, path, header}
 }

common/batch/batch.go

@@ -5,10 +5,10 @@ import (
 	"sync"
 )
 
-type Option = func(b *Batch)
+type Option[T any] func(b *Batch[T])
 
-type Result struct {
-	Value interface{}
+type Result[T any] struct {
+	Value T
 	Err   error
 }
 
@@ -17,8 +17,8 @@ type Error struct {
 	Err error
 }
 
-func WithConcurrencyNum(n int) Option {
-	return func(b *Batch) {
+func WithConcurrencyNum[T any](n int) Option[T] {
+	return func(b *Batch[T]) {
 		q := make(chan struct{}, n)
 		for i := 0; i < n; i++ {
 			q <- struct{}{}
@@ -28,8 +28,8 @@ func WithConcurrencyNum(n int) Option {
 }
 
 // Batch similar to errgroup, but can control the maximum number of concurrent
-type Batch struct {
-	result map[string]Result
+type Batch[T any] struct {
+	result map[string]Result[T]
 	queue  chan struct{}
 	wg     sync.WaitGroup
 	mux    sync.Mutex
@@ -38,7 +38,7 @@ type Batch struct {
 	cancel func()
 }
 
-func (b *Batch) Go(key string, fn func() (interface{}, error)) {
+func (b *Batch[T]) Go(key string, fn func() (T, error)) {
 	b.wg.Add(1)
 	go func() {
 		defer b.wg.Done()
@@ -59,14 +59,14 @@ func (b *Batch) Go(key string, fn func() (interface{}, error)) {
 			})
 		}
 
-		ret := Result{value, err}
+		ret := Result[T]{value, err}
 		b.mux.Lock()
 		defer b.mux.Unlock()
 		b.result[key] = ret
 	}()
 }
 
-func (b *Batch) Wait() *Error {
+func (b *Batch[T]) Wait() *Error {
 	b.wg.Wait()
 	if b.cancel != nil {
 		b.cancel()
@@ -74,26 +74,26 @@ func (b *Batch) Wait() *Error {
 	return b.err
 }
 
-func (b *Batch) WaitAndGetResult() (map[string]Result, *Error) {
+func (b *Batch[T]) WaitAndGetResult() (map[string]Result[T], *Error) {
 	err := b.Wait()
 	return b.Result(), err
 }
 
-func (b *Batch) Result() map[string]Result {
+func (b *Batch[T]) Result() map[string]Result[T] {
 	b.mux.Lock()
 	defer b.mux.Unlock()
-	copy := map[string]Result{}
+	copyM := map[string]Result[T]{}
 	for k, v := range b.result {
-		copy[k] = v
+		copyM[k] = v
 	}
-	return copy
+	return copyM
 }
 
-func New(ctx context.Context, opts ...Option) (*Batch, context.Context) {
+func New[T any](ctx context.Context, opts ...Option[T]) (*Batch[T], context.Context) {
 	ctx, cancel := context.WithCancel(ctx)
 
-	b := &Batch{
-		result: map[string]Result{},
+	b := &Batch[T]{
+		result: map[string]Result[T]{},
 	}
 
 	for _, o := range opts {

common/batch/batch_test.go

@@ -11,14 +11,14 @@ import (
 )
 
 func TestBatch(t *testing.T) {
-	b, _ := New(context.Background())
+	b, _ := New[string](context.Background())
 
 	now := time.Now()
-	b.Go("foo", func() (interface{}, error) {
+	b.Go("foo", func() (string, error) {
 		time.Sleep(time.Millisecond * 100)
 		return "foo", nil
 	})
-	b.Go("bar", func() (interface{}, error) {
+	b.Go("bar", func() (string, error) {
 		time.Sleep(time.Millisecond * 150)
 		return "bar", nil
 	})
@@ -32,20 +32,20 @@ func TestBatch(t *testing.T) {
 
 	for k, v := range result {
 		assert.NoError(t, v.Err)
-		assert.Equal(t, k, v.Value.(string))
+		assert.Equal(t, k, v.Value)
 	}
 }
 
 func TestBatchWithConcurrencyNum(t *testing.T) {
-	b, _ := New(
+	b, _ := New[string](
 		context.Background(),
-		WithConcurrencyNum(3),
+		WithConcurrencyNum[string](3),
 	)
 
 	now := time.Now()
 	for i := 0; i < 7; i++ {
 		idx := i
-		b.Go(strconv.Itoa(idx), func() (interface{}, error) {
+		b.Go(strconv.Itoa(idx), func() (string, error) {
 			time.Sleep(time.Millisecond * 100)
 			return strconv.Itoa(idx), nil
 		})
@@ -57,21 +57,21 @@ func TestBatchWithConcurrencyNum(t *testing.T) {
 
 	for k, v := range result {
 		assert.NoError(t, v.Err)
-		assert.Equal(t, k, v.Value.(string))
+		assert.Equal(t, k, v.Value)
 	}
 }
 
 func TestBatchContext(t *testing.T) {
-	b, ctx := New(context.Background())
+	b, ctx := New[string](context.Background())
 
-	b.Go("error", func() (interface{}, error) {
+	b.Go("error", func() (string, error) {
 		time.Sleep(time.Millisecond * 100)
-		return nil, errors.New("test error")
+		return "", errors.New("test error")
 	})
 
-	b.Go("ctx", func() (interface{}, error) {
+	b.Go("ctx", func() (string, error) {
 		<-ctx.Done()
-		return nil, ctx.Err()
+		return "", ctx.Err()
 	})
 
 	result, err := b.WaitAndGetResult()

common/cache/cache.go

@@ -7,50 +7,50 @@ import (
 )
 
 // Cache store element with a expired time
-type Cache struct {
-	*cache
+type Cache[K comparable, V any] struct {
+	*cache[K, V]
 }
 
-type cache struct {
+type cache[K comparable, V any] struct {
 	mapping sync.Map
-	janitor *janitor
+	janitor *janitor[K, V]
 }
 
-type element struct {
+type element[V any] struct {
 	Expired time.Time
-	Payload interface{}
+	Payload V
 }
 
 // Put element in Cache with its ttl
-func (c *cache) Put(key interface{}, payload interface{}, ttl time.Duration) {
-	c.mapping.Store(key, &element{
+func (c *cache[K, V]) Put(key K, payload V, ttl time.Duration) {
+	c.mapping.Store(key, &element[V]{
 		Payload: payload,
 		Expired: time.Now().Add(ttl),
 	})
 }
 
 // Get element in Cache, and drop when it expired
-func (c *cache) Get(key interface{}) interface{} {
+func (c *cache[K, V]) Get(key K) V {
 	item, exist := c.mapping.Load(key)
 	if !exist {
-		return nil
+		return getZero[V]()
 	}
-	elm := item.(*element)
+	elm := item.(*element[V])
 	// expired
 	if time.Since(elm.Expired) > 0 {
 		c.mapping.Delete(key)
-		return nil
+		return getZero[V]()
 	}
 	return elm.Payload
 }
 
 // GetWithExpire element in Cache with Expire Time
-func (c *cache) GetWithExpire(key interface{}) (payload interface{}, expired time.Time) {
+func (c *cache[K, V]) GetWithExpire(key K) (payload V, expired time.Time) {
 	item, exist := c.mapping.Load(key)
 	if !exist {
 		return
 	}
-	elm := item.(*element)
+	elm := item.(*element[V])
 	// expired
 	if time.Since(elm.Expired) > 0 {
 		c.mapping.Delete(key)
@@ -59,10 +59,10 @@ func (c *cache) GetWithExpire(key interface{}) (payload interface{}, expired tim
 	return elm.Payload, elm.Expired
 }
 
-func (c *cache) cleanup() {
-	c.mapping.Range(func(k, v interface{}) bool {
-		key := k.(string)
-		elm := v.(*element)
+func (c *cache[K, V]) cleanup() {
+	c.mapping.Range(func(k, v any) bool {
+		key := k
+		elm := v.(*element[V])
 		if time.Since(elm.Expired) > 0 {
 			c.mapping.Delete(key)
 		}
@@ -70,12 +70,12 @@ func (c *cache) cleanup() {
 	})
 }
 
-type janitor struct {
+type janitor[K comparable, V any] struct {
 	interval time.Duration
 	stop     chan struct{}
 }
 
-func (j *janitor) process(c *cache) {
+func (j *janitor[K, V]) process(c *cache[K, V]) {
 	ticker := time.NewTicker(j.interval)
 	for {
 		select {
@@ -88,19 +88,19 @@ func (j *janitor) process(c *cache) {
 	}
 }
 
-func stopJanitor(c *Cache) {
+func stopJanitor[K comparable, V any](c *Cache[K, V]) {
 	c.janitor.stop <- struct{}{}
 }
 
 // New return *Cache
-func New(interval time.Duration) *Cache {
-	j := &janitor{
+func New[K comparable, V any](interval time.Duration) *Cache[K, V] {
+	j := &janitor[K, V]{
 		interval: interval,
 		stop:     make(chan struct{}),
 	}
-	c := &cache{janitor: j}
+	c := &cache[K, V]{janitor: j}
 	go j.process(c)
-	C := &Cache{c}
-	runtime.SetFinalizer(C, stopJanitor)
+	C := &Cache[K, V]{c}
+	runtime.SetFinalizer(C, stopJanitor[K, V])
 	return C
 }

common/cache/cache_test.go

@@ -11,48 +11,50 @@ import (
 func TestCache_Basic(t *testing.T) {
 	interval := 200 * time.Millisecond
 	ttl := 20 * time.Millisecond
-	c := New(interval)
+	c := New[string, int](interval)
 	c.Put("int", 1, ttl)
-	c.Put("string", "a", ttl)
+
+	d := New[string, string](interval)
+	d.Put("string", "a", ttl)
 
 	i := c.Get("int")
-	assert.Equal(t, i.(int), 1, "should recv 1")
+	assert.Equal(t, i, 1, "should recv 1")
 
-	s := c.Get("string")
-	assert.Equal(t, s.(string), "a", "should recv 'a'")
+	s := d.Get("string")
+	assert.Equal(t, s, "a", "should recv 'a'")
 }
 
 func TestCache_TTL(t *testing.T) {
 	interval := 200 * time.Millisecond
 	ttl := 20 * time.Millisecond
 	now := time.Now()
-	c := New(interval)
+	c := New[string, int](interval)
 	c.Put("int", 1, ttl)
 	c.Put("int2", 2, ttl)
 
 	i := c.Get("int")
 	_, expired := c.GetWithExpire("int2")
-	assert.Equal(t, i.(int), 1, "should recv 1")
+	assert.Equal(t, i, 1, "should recv 1")
 	assert.True(t, now.Before(expired))
 
 	time.Sleep(ttl * 2)
 	i = c.Get("int")
 	j, _ := c.GetWithExpire("int2")
-	assert.Nil(t, i, "should recv nil")
-	assert.Nil(t, j, "should recv nil")
+	assert.True(t, i == 0, "should recv 0")
+	assert.True(t, j == 0, "should recv 0")
 }
 
 func TestCache_AutoCleanup(t *testing.T) {
 	interval := 10 * time.Millisecond
 	ttl := 15 * time.Millisecond
-	c := New(interval)
+	c := New[string, int](interval)
 	c.Put("int", 1, ttl)
 
 	time.Sleep(ttl * 2)
 	i := c.Get("int")
 	j, _ := c.GetWithExpire("int")
-	assert.Nil(t, i, "should recv nil")
-	assert.Nil(t, j, "should recv nil")
+	assert.True(t, i == 0, "should recv 0")
+	assert.True(t, j == 0, "should recv 0")
 }
 
 func TestCache_AutoGC(t *testing.T) {
@@ -60,7 +62,7 @@ func TestCache_AutoGC(t *testing.T) {
 	go func() {
 		interval := 10 * time.Millisecond
 		ttl := 15 * time.Millisecond
-		c := New(interval)
+		c := New[string, int](interval)
 		c.Put("int", 1, ttl)
 		sign <- struct{}{}
 	}()

common/cache/lrucache.go

@@ -3,49 +3,50 @@ package cache
 // Modified by https://github.com/die-net/lrucache
 
 import (
-	"container/list"
 	"sync"
 	"time"
+
+	"github.com/Dreamacro/clash/common/generics/list"
 )
 
 // Option is part of Functional Options Pattern
-type Option func(*LruCache)
+type Option[K comparable, V any] func(*LruCache[K, V])
 
 // EvictCallback is used to get a callback when a cache entry is evicted
-type EvictCallback = func(key interface{}, value interface{})
+type EvictCallback[K comparable, V any] func(key K, value V)
 
 // WithEvict set the evict callback
-func WithEvict(cb EvictCallback) Option {
-	return func(l *LruCache) {
+func WithEvict[K comparable, V any](cb EvictCallback[K, V]) Option[K, V] {
+	return func(l *LruCache[K, V]) {
 		l.onEvict = cb
 	}
 }
 
 // WithUpdateAgeOnGet update expires when Get element
-func WithUpdateAgeOnGet() Option {
-	return func(l *LruCache) {
+func WithUpdateAgeOnGet[K comparable, V any]() Option[K, V] {
+	return func(l *LruCache[K, V]) {
 		l.updateAgeOnGet = true
 	}
 }
 
 // WithAge defined element max age (second)
-func WithAge(maxAge int64) Option {
-	return func(l *LruCache) {
+func WithAge[K comparable, V any](maxAge int64) Option[K, V] {
+	return func(l *LruCache[K, V]) {
 		l.maxAge = maxAge
 	}
 }
 
 // WithSize defined max length of LruCache
-func WithSize(maxSize int) Option {
-	return func(l *LruCache) {
+func WithSize[K comparable, V any](maxSize int) Option[K, V] {
+	return func(l *LruCache[K, V]) {
 		l.maxSize = maxSize
 	}
 }
 
 // WithStale decide whether Stale return is enabled.
 // If this feature is enabled, element will not get Evicted according to `WithAge`.
-func WithStale(stale bool) Option {
-	return func(l *LruCache) {
+func WithStale[K comparable, V any](stale bool) Option[K, V] {
+	return func(l *LruCache[K, V]) {
 		l.staleReturn = stale
 	}
 }
@@ -53,22 +54,22 @@ func WithStale(stale bool) Option {
 // LruCache is a thread-safe, in-memory lru-cache that evicts the
 // least recently used entries from memory when (if set) the entries are
 // older than maxAge (in seconds).  Use the New constructor to create one.
-type LruCache struct {
+type LruCache[K comparable, V any] struct {
 	maxAge         int64
 	maxSize        int
 	mu             sync.Mutex
-	cache          map[interface{}]*list.Element
-	lru            *list.List // Front is least-recent
+	cache          map[K]*list.Element[*entry[K, V]]
+	lru            *list.List[*entry[K, V]] // Front is least-recent
 	updateAgeOnGet bool
 	staleReturn    bool
-	onEvict        EvictCallback
+	onEvict        EvictCallback[K, V]
 }
 
 // NewLRUCache creates an LruCache
-func NewLRUCache(options ...Option) *LruCache {
-	lc := &LruCache{
-		lru:   list.New(),
-		cache: make(map[interface{}]*list.Element),
+func NewLRUCache[K comparable, V any](options ...Option[K, V]) *LruCache[K, V] {
+	lc := &LruCache[K, V]{
+		lru:   list.New[*entry[K, V]](),
+		cache: make(map[K]*list.Element[*entry[K, V]]),
 	}
 
 	for _, option := range options {
@@ -78,33 +79,33 @@ func NewLRUCache(options ...Option) *LruCache {
 	return lc
 }
 
-// Get returns the interface{} representation of a cached response and a bool
+// Get returns the any representation of a cached response and a bool
 // set to true if the key was found.
-func (c *LruCache) Get(key interface{}) (interface{}, bool) {
-	entry := c.get(key)
-	if entry == nil {
-		return nil, false
+func (c *LruCache[K, V]) Get(key K) (V, bool) {
+	el := c.get(key)
+	if el == nil {
+		return getZero[V](), false
 	}
-	value := entry.value
+	value := el.value
 
 	return value, true
 }
 
-// GetWithExpire returns the interface{} representation of a cached response,
+// GetWithExpire returns the any representation of a cached response,
 // a time.Time Give expected expires,
 // and a bool set to true if the key was found.
 // This method will NOT check the maxAge of element and will NOT update the expires.
-func (c *LruCache) GetWithExpire(key interface{}) (interface{}, time.Time, bool) {
-	entry := c.get(key)
-	if entry == nil {
-		return nil, time.Time{}, false
+func (c *LruCache[K, V]) GetWithExpire(key K) (V, time.Time, bool) {
+	el := c.get(key)
+	if el == nil {
+		return getZero[V](), time.Time{}, false
 	}
 
-	return entry.value, time.Unix(entry.expires, 0), true
+	return el.value, time.Unix(el.expires, 0), true
 }
 
 // Exist returns if key exist in cache but not put item to the head of linked list
-func (c *LruCache) Exist(key interface{}) bool {
+func (c *LruCache[K, V]) Exist(key K) bool {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
@@ -112,8 +113,8 @@ func (c *LruCache) Exist(key interface{}) bool {
 	return ok
 }
 
-// Set stores the interface{} representation of a response for a given key.
-func (c *LruCache) Set(key interface{}, value interface{}) {
+// Set stores the any representation of a response for a given key.
+func (c *LruCache[K, V]) Set(key K, value V) {
 	expires := int64(0)
 	if c.maxAge > 0 {
 		expires = time.Now().Unix() + c.maxAge
@@ -121,23 +122,23 @@ func (c *LruCache) Set(key interface{}, value interface{}) {
 	c.SetWithExpire(key, value, time.Unix(expires, 0))
 }
 
-// SetWithExpire stores the interface{} representation of a response for a given key and given expires.
+// SetWithExpire stores the any representation of a response for a given key and given expires.
 // The expires time will round to second.
-func (c *LruCache) SetWithExpire(key interface{}, value interface{}, expires time.Time) {
+func (c *LruCache[K, V]) SetWithExpire(key K, value V, expires time.Time) {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
 	if le, ok := c.cache[key]; ok {
 		c.lru.MoveToBack(le)
-		e := le.Value.(*entry)
+		e := le.Value
 		e.value = value
 		e.expires = expires.Unix()
 	} else {
-		e := &entry{key: key, value: value, expires: expires.Unix()}
+		e := &entry[K, V]{key: key, value: value, expires: expires.Unix()}
 		c.cache[key] = c.lru.PushBack(e)
 
 		if c.maxSize > 0 {
-			if len := c.lru.Len(); len > c.maxSize {
+			if elLen := c.lru.Len(); elLen > c.maxSize {
 				c.deleteElement(c.lru.Front())
 			}
 		}
@@ -147,23 +148,23 @@ func (c *LruCache) SetWithExpire(key interface{}, value interface{}, expires tim
 }
 
 // CloneTo clone and overwrite elements to another LruCache
-func (c *LruCache) CloneTo(n *LruCache) {
+func (c *LruCache[K, V]) CloneTo(n *LruCache[K, V]) {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
 	n.mu.Lock()
 	defer n.mu.Unlock()
 
-	n.lru = list.New()
-	n.cache = make(map[interface{}]*list.Element)
+	n.lru = list.New[*entry[K, V]]()
+	n.cache = make(map[K]*list.Element[*entry[K, V]])
 
 	for e := c.lru.Front(); e != nil; e = e.Next() {
-		elm := e.Value.(*entry)
+		elm := e.Value
 		n.cache[elm.key] = n.lru.PushBack(elm)
 	}
 }
 
-func (c *LruCache) get(key interface{}) *entry {
+func (c *LruCache[K, V]) get(key K) *entry[K, V] {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
@@ -172,7 +173,7 @@ func (c *LruCache) get(key interface{}) *entry {
 		return nil
 	}
 
-	if !c.staleReturn && c.maxAge > 0 && le.Value.(*entry).expires <= time.Now().Unix() {
+	if !c.staleReturn && c.maxAge > 0 && le.Value.expires <= time.Now().Unix() {
 		c.deleteElement(le)
 		c.maybeDeleteOldest()
 
@@ -180,15 +181,15 @@ func (c *LruCache) get(key interface{}) *entry {
 	}
 
 	c.lru.MoveToBack(le)
-	entry := le.Value.(*entry)
+	el := le.Value
 	if c.maxAge > 0 && c.updateAgeOnGet {
-		entry.expires = time.Now().Unix() + c.maxAge
+		el.expires = time.Now().Unix() + c.maxAge
 	}
-	return entry
+	return el
 }
 
 // Delete removes the value associated with a key.
-func (c *LruCache) Delete(key interface{}) {
+func (c *LruCache[K, V]) Delete(key K) {
 	c.mu.Lock()
 
 	if le, ok := c.cache[key]; ok {
@@ -198,26 +199,40 @@ func (c *LruCache) Delete(key interface{}) {
 	c.mu.Unlock()
 }
 
-func (c *LruCache) maybeDeleteOldest() {
+func (c *LruCache[K, V]) maybeDeleteOldest() {
 	if !c.staleReturn && c.maxAge > 0 {
 		now := time.Now().Unix()
-		for le := c.lru.Front(); le != nil && le.Value.(*entry).expires <= now; le = c.lru.Front() {
+		for le := c.lru.Front(); le != nil && le.Value.expires <= now; le = c.lru.Front() {
 			c.deleteElement(le)
 		}
 	}
 }
 
-func (c *LruCache) deleteElement(le *list.Element) {
+func (c *LruCache[K, V]) deleteElement(le *list.Element[*entry[K, V]]) {
 	c.lru.Remove(le)
-	e := le.Value.(*entry)
+	e := le.Value
 	delete(c.cache, e.key)
 	if c.onEvict != nil {
 		c.onEvict(e.key, e.value)
 	}
 }
 
-type entry struct {
-	key     interface{}
-	value   interface{}
+func (c *LruCache[K, V]) Clear() error {
+	c.mu.Lock()
+
+	c.cache = make(map[K]*list.Element[*entry[K, V]])
+
+	c.mu.Unlock()
+	return nil
+}
+
+type entry[K comparable, V any] struct {
+	key     K
+	value   V
 	expires int64
 }
+
+func getZero[T any]() T {
+	var result T
+	return result
+}

common/cache/lrucache_test.go

@@ -19,7 +19,7 @@ var entries = []struct {
 }
 
 func TestLRUCache(t *testing.T) {
-	c := NewLRUCache()
+	c := NewLRUCache[string, string]()
 
 	for _, e := range entries {
 		c.Set(e.key, e.value)
@@ -32,7 +32,7 @@ func TestLRUCache(t *testing.T) {
 	for _, e := range entries {
 		value, ok := c.Get(e.key)
 		if assert.True(t, ok) {
-			assert.Equal(t, e.value, value.(string))
+			assert.Equal(t, e.value, value)
 		}
 	}
 
@@ -45,25 +45,25 @@ func TestLRUCache(t *testing.T) {
 }
 
 func TestLRUMaxAge(t *testing.T) {
-	c := NewLRUCache(WithAge(86400))
+	c := NewLRUCache[string, string](WithAge[string, string](86400))
 
 	now := time.Now().Unix()
 	expected := now + 86400
 
 	// Add one expired entry
 	c.Set("foo", "bar")
-	c.lru.Back().Value.(*entry).expires = now
+	c.lru.Back().Value.expires = now
 
 	// Reset
 	c.Set("foo", "bar")
-	e := c.lru.Back().Value.(*entry)
+	e := c.lru.Back().Value
 	assert.True(t, e.expires >= now)
-	c.lru.Back().Value.(*entry).expires = now
+	c.lru.Back().Value.expires = now
 
 	// Set a few and verify expiration times
 	for _, s := range entries {
 		c.Set(s.key, s.value)
-		e := c.lru.Back().Value.(*entry)
+		e := c.lru.Back().Value
 		assert.True(t, e.expires >= expected && e.expires <= expected+10)
 	}
 
@@ -77,7 +77,7 @@ func TestLRUMaxAge(t *testing.T) {
 	for _, s := range entries {
 		le, ok := c.cache[s.key]
 		if assert.True(t, ok) {
-			le.Value.(*entry).expires = now
+			le.Value.expires = now
 		}
 	}
 
@@ -88,22 +88,22 @@ func TestLRUMaxAge(t *testing.T) {
 }
 
 func TestLRUpdateOnGet(t *testing.T) {
-	c := NewLRUCache(WithAge(86400), WithUpdateAgeOnGet())
+	c := NewLRUCache[string, string](WithAge[string, string](86400), WithUpdateAgeOnGet[string, string]())
 
 	now := time.Now().Unix()
 	expires := now + 86400/2
 
 	// Add one expired entry
 	c.Set("foo", "bar")
-	c.lru.Back().Value.(*entry).expires = expires
+	c.lru.Back().Value.expires = expires
 
 	_, ok := c.Get("foo")
 	assert.True(t, ok)
-	assert.True(t, c.lru.Back().Value.(*entry).expires > expires)
+	assert.True(t, c.lru.Back().Value.expires > expires)
 }
 
 func TestMaxSize(t *testing.T) {
-	c := NewLRUCache(WithSize(2))
+	c := NewLRUCache[string, string](WithSize[string, string](2))
 	// Add one expired entry
 	c.Set("foo", "bar")
 	_, ok := c.Get("foo")
@@ -117,7 +117,7 @@ func TestMaxSize(t *testing.T) {
 }
 
 func TestExist(t *testing.T) {
-	c := NewLRUCache(WithSize(1))
+	c := NewLRUCache[int, int](WithSize[int, int](1))
 	c.Set(1, 2)
 	assert.True(t, c.Exist(1))
 	c.Set(2, 3)
@@ -126,11 +126,11 @@ func TestExist(t *testing.T) {
 
 func TestEvict(t *testing.T) {
 	temp := 0
-	evict := func(key interface{}, value interface{}) {
-		temp = key.(int) + value.(int)
+	evict := func(key int, value int) {
+		temp = key + value
 	}
 
-	c := NewLRUCache(WithEvict(evict), WithSize(1))
+	c := NewLRUCache[int, int](WithEvict[int, int](evict), WithSize[int, int](1))
 	c.Set(1, 2)
 	c.Set(2, 3)
 
@@ -138,21 +138,22 @@ func TestEvict(t *testing.T) {
 }
 
 func TestSetWithExpire(t *testing.T) {
-	c := NewLRUCache(WithAge(1))
+	c := NewLRUCache[int, *struct{}](WithAge[int, *struct{}](1))
 	now := time.Now().Unix()
 
 	tenSecBefore := time.Unix(now-10, 0)
-	c.SetWithExpire(1, 2, tenSecBefore)
+	c.SetWithExpire(1, &struct{}{}, tenSecBefore)
 
 	// res is expected not to exist, and expires should be empty time.Time
 	res, expires, exist := c.GetWithExpire(1)
-	assert.Equal(t, nil, res)
+
+	assert.True(t, nil == res)
 	assert.Equal(t, time.Time{}, expires)
 	assert.Equal(t, false, exist)
 }
 
 func TestStale(t *testing.T) {
-	c := NewLRUCache(WithAge(1), WithStale(true))
+	c := NewLRUCache[int, int](WithAge[int, int](1), WithStale[int, int](true))
 	now := time.Now().Unix()
 
 	tenSecBefore := time.Unix(now-10, 0)
@@ -165,11 +166,11 @@ func TestStale(t *testing.T) {
 }
 
 func TestCloneTo(t *testing.T) {
-	o := NewLRUCache(WithSize(10))
+	o := NewLRUCache[string, int](WithSize[string, int](10))
 	o.Set("1", 1)
 	o.Set("2", 2)
 
-	n := NewLRUCache(WithSize(2))
+	n := NewLRUCache[string, int](WithSize[string, int](2))
 	n.Set("3", 3)
 	n.Set("4", 4)
 

common/cert/cert.go

@@ -0,0 +1,303 @@
+package cert
+
+import (
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/sha1"
+	"crypto/tls"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/pem"
+	"math/big"
+	"net"
+	"os"
+	"strings"
+	"sync/atomic"
+	"time"
+)
+
+var currentSerialNumber = time.Now().Unix()
+
+type Config struct {
+	ca           *x509.Certificate
+	caPrivateKey *rsa.PrivateKey
+
+	roots *x509.CertPool
+
+	privateKey *rsa.PrivateKey
+
+	validity     time.Duration
+	keyID        []byte
+	organization string
+
+	certsStorage CertsStorage
+}
+
+type CertsStorage interface {
+	Get(key string) (*tls.Certificate, bool)
+
+	Set(key string, cert *tls.Certificate)
+}
+
+func NewAuthority(name, organization string, validity time.Duration) (*x509.Certificate, *rsa.PrivateKey, error) {
+	privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
+	if err != nil {
+		return nil, nil, err
+	}
+	pub := privateKey.Public()
+
+	pkixPub, err := x509.MarshalPKIXPublicKey(pub)
+	if err != nil {
+		return nil, nil, err
+	}
+	h := sha1.New()
+	_, err = h.Write(pkixPub)
+	if err != nil {
+		return nil, nil, err
+	}
+	keyID := h.Sum(nil)
+
+	serial := atomic.AddInt64(&currentSerialNumber, 1)
+
+	tmpl := &x509.Certificate{
+		SerialNumber: big.NewInt(serial),
+		Subject: pkix.Name{
+			CommonName:   name,
+			Organization: []string{organization},
+		},
+		SubjectKeyId:          keyID,
+		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
+		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
+		BasicConstraintsValid: true,
+		NotBefore:             time.Now().Add(-validity),
+		NotAfter:              time.Now().Add(validity),
+		DNSNames:              []string{name},
+		IsCA:                  true,
+	}
+
+	raw, err := x509.CreateCertificate(rand.Reader, tmpl, tmpl, pub, privateKey)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	x509c, err := x509.ParseCertificate(raw)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	return x509c, privateKey, nil
+}
+
+func NewConfig(ca *x509.Certificate, caPrivateKey *rsa.PrivateKey) (*Config, error) {
+	roots := x509.NewCertPool()
+	roots.AddCert(ca)
+
+	privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
+	if err != nil {
+		return nil, err
+	}
+	pub := privateKey.Public()
+
+	pkixPub, err := x509.MarshalPKIXPublicKey(pub)
+	if err != nil {
+		return nil, err
+	}
+	h := sha1.New()
+	_, err = h.Write(pkixPub)
+	if err != nil {
+		return nil, err
+	}
+	keyID := h.Sum(nil)
+
+	return &Config{
+		ca:           ca,
+		caPrivateKey: caPrivateKey,
+		privateKey:   privateKey,
+		keyID:        keyID,
+		validity:     time.Hour,
+		organization: "Clash",
+		certsStorage: NewDomainTrieCertsStorage(),
+		roots:        roots,
+	}, nil
+}
+
+func (c *Config) GetCA() *x509.Certificate {
+	return c.ca
+}
+
+func (c *Config) SetOrganization(organization string) {
+	c.organization = organization
+}
+
+func (c *Config) SetValidity(validity time.Duration) {
+	c.validity = validity
+}
+
+func (c *Config) NewTLSConfigForHost(hostname string) *tls.Config {
+	tlsConfig := &tls.Config{
+		GetCertificate: func(clientHello *tls.ClientHelloInfo) (*tls.Certificate, error) {
+			host := clientHello.ServerName
+			if host == "" {
+				host = hostname
+			}
+
+			return c.GetOrCreateCert(host)
+		},
+		NextProtos: []string{"http/1.1"},
+	}
+
+	tlsConfig.InsecureSkipVerify = true
+
+	return tlsConfig
+}
+
+func (c *Config) GetOrCreateCert(hostname string, ips ...net.IP) (*tls.Certificate, error) {
+	var leaf *x509.Certificate
+	tlsCertificate, ok := c.certsStorage.Get(hostname)
+	if ok {
+		leaf = tlsCertificate.Leaf
+		if _, err := leaf.Verify(x509.VerifyOptions{
+			DNSName: hostname,
+			Roots:   c.roots,
+		}); err == nil {
+			return tlsCertificate, nil
+		}
+	}
+
+	var (
+		key          = hostname
+		topHost      = hostname
+		wildcardHost = "*." + hostname
+		dnsNames     []string
+	)
+
+	if ip := net.ParseIP(hostname); ip != nil {
+		ips = append(ips, ip)
+	} else {
+		parts := strings.Split(hostname, ".")
+		l := len(parts)
+
+		if leaf != nil {
+			dnsNames = append(dnsNames, leaf.DNSNames...)
+		}
+
+		if l > 2 {
+			topIndex := l - 2
+			topHost = strings.Join(parts[topIndex:], ".")
+
+			for i := topIndex; i > 0; i-- {
+				wildcardHost = "*." + strings.Join(parts[i:], ".")
+
+				if i == topIndex && (len(dnsNames) == 0 || dnsNames[0] != topHost) {
+					dnsNames = append(dnsNames, topHost, wildcardHost)
+				} else if !hasDnsNames(dnsNames, wildcardHost) {
+					dnsNames = append(dnsNames, wildcardHost)
+				}
+			}
+		} else {
+			dnsNames = append(dnsNames, topHost, wildcardHost)
+		}
+
+		key = "+." + topHost
+	}
+
+	serial := atomic.AddInt64(&currentSerialNumber, 1)
+
+	tmpl := &x509.Certificate{
+		SerialNumber: big.NewInt(serial),
+		Subject: pkix.Name{
+			CommonName:   topHost,
+			Organization: []string{c.organization},
+		},
+		SubjectKeyId:          c.keyID,
+		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
+		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
+		BasicConstraintsValid: true,
+		NotBefore:             time.Now().Add(-c.validity),
+		NotAfter:              time.Now().Add(c.validity),
+		DNSNames:              dnsNames,
+		IPAddresses:           ips,
+	}
+
+	raw, err := x509.CreateCertificate(rand.Reader, tmpl, c.ca, c.privateKey.Public(), c.caPrivateKey)
+	if err != nil {
+		return nil, err
+	}
+
+	x509c, err := x509.ParseCertificate(raw)
+	if err != nil {
+		return nil, err
+	}
+
+	tlsCertificate = &tls.Certificate{
+		Certificate: [][]byte{raw, c.ca.Raw},
+		PrivateKey:  c.privateKey,
+		Leaf:        x509c,
+	}
+
+	c.certsStorage.Set(key, tlsCertificate)
+	return tlsCertificate, nil
+}
+
+// GenerateAndSave generate CA private key and CA certificate and dump them to file
+func GenerateAndSave(caPath string, caKeyPath string) error {
+	privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
+	if err != nil {
+		return err
+	}
+
+	tmpl := &x509.Certificate{
+		SerialNumber: big.NewInt(time.Now().Unix()),
+		Subject: pkix.Name{
+			Country:      []string{"US"},
+			CommonName:   "Clash Root CA",
+			Organization: []string{"Clash Trust Services"},
+		},
+		KeyUsage:              x509.KeyUsageCertSign | x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
+		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
+		NotBefore:             time.Now().Add(-(time.Hour * 24 * 60)),
+		NotAfter:              time.Now().Add(time.Hour * 24 * 365 * 25),
+		BasicConstraintsValid: true,
+		IsCA:                  true,
+	}
+
+	caRaw, err := x509.CreateCertificate(rand.Reader, tmpl, tmpl, privateKey.Public(), privateKey)
+	if err != nil {
+		return err
+	}
+
+	caOut, err := os.OpenFile(caPath, os.O_CREATE|os.O_WRONLY, 0o600)
+	if err != nil {
+		return err
+	}
+	defer func(caOut *os.File) {
+		_ = caOut.Close()
+	}(caOut)
+
+	if err = pem.Encode(caOut, &pem.Block{Type: "CERTIFICATE", Bytes: caRaw}); err != nil {
+		return err
+	}
+
+	caKeyOut, err := os.OpenFile(caKeyPath, os.O_CREATE|os.O_WRONLY, 0o600)
+	if err != nil {
+		return err
+	}
+	defer func(caKeyOut *os.File) {
+		_ = caKeyOut.Close()
+	}(caKeyOut)
+
+	if err = pem.Encode(caKeyOut, &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(privateKey)}); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func hasDnsNames(dnsNames []string, hostname string) bool {
+	for _, name := range dnsNames {
+		if name == hostname {
+			return true
+		}
+	}
+	return false
+}

common/cert/cert_test.go

@@ -0,0 +1,104 @@
+package cert
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"net"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCert(t *testing.T) {
+	ca, privateKey, err := NewAuthority("Clash ca", "Clash", 24*time.Hour)
+
+	assert.Nil(t, err)
+	assert.NotNil(t, ca)
+	assert.NotNil(t, privateKey)
+
+	c, err := NewConfig(ca, privateKey)
+	assert.Nil(t, err)
+
+	c.SetValidity(20 * time.Hour)
+	c.SetOrganization("Test Organization")
+
+	conf := c.NewTLSConfigForHost("example.org")
+	assert.Equal(t, []string{"http/1.1"}, conf.NextProtos)
+	assert.True(t, conf.InsecureSkipVerify)
+
+	// Test generating a certificate
+	clientHello := &tls.ClientHelloInfo{
+		ServerName: "example.org",
+	}
+	tlsCert, err := conf.GetCertificate(clientHello)
+	assert.Nil(t, err)
+	assert.NotNil(t, tlsCert)
+
+	// Assert certificate details
+	x509c := tlsCert.Leaf
+	assert.Equal(t, "example.org", x509c.Subject.CommonName)
+	assert.Nil(t, x509c.VerifyHostname("example.org"))
+	assert.Nil(t, x509c.VerifyHostname("abc.example.org"))
+	assert.Equal(t, []string{"Test Organization"}, x509c.Subject.Organization)
+	assert.NotNil(t, x509c.SubjectKeyId)
+	assert.True(t, x509c.BasicConstraintsValid)
+	assert.True(t, x509c.KeyUsage&x509.KeyUsageKeyEncipherment == x509.KeyUsageKeyEncipherment)
+	assert.True(t, x509c.KeyUsage&x509.KeyUsageDigitalSignature == x509.KeyUsageDigitalSignature)
+	assert.Equal(t, []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth}, x509c.ExtKeyUsage)
+	assert.Equal(t, []string{"example.org", "*.example.org"}, x509c.DNSNames)
+	assert.True(t, x509c.NotBefore.Before(time.Now().Add(-2*time.Hour)))
+	assert.True(t, x509c.NotAfter.After(time.Now().Add(2*time.Hour)))
+
+	// Check that certificate is cached
+	tlsCert2, err := c.GetOrCreateCert("abc.example.org")
+	assert.Nil(t, err)
+	assert.True(t, tlsCert == tlsCert2)
+
+	// Check that certificate is new
+	_, _ = c.GetOrCreateCert("a.b.c.d.e.f.g.h.i.j.example.org")
+	tlsCert3, err := c.GetOrCreateCert("m.k.l.example.org")
+	x509c = tlsCert3.Leaf
+	assert.Nil(t, err)
+	assert.False(t, tlsCert == tlsCert3)
+	assert.Equal(t, []string{"example.org", "*.example.org", "*.j.example.org", "*.i.j.example.org", "*.h.i.j.example.org", "*.g.h.i.j.example.org", "*.f.g.h.i.j.example.org", "*.e.f.g.h.i.j.example.org", "*.d.e.f.g.h.i.j.example.org", "*.c.d.e.f.g.h.i.j.example.org", "*.b.c.d.e.f.g.h.i.j.example.org", "*.l.example.org", "*.k.l.example.org"}, x509c.DNSNames)
+
+	// Check that certificate is cached
+	tlsCert4, err := c.GetOrCreateCert("xyz.example.org")
+	x509c = tlsCert4.Leaf
+	assert.Nil(t, err)
+	assert.True(t, tlsCert3 == tlsCert4)
+	assert.Nil(t, x509c.VerifyHostname("example.org"))
+	assert.Nil(t, x509c.VerifyHostname("jkf.example.org"))
+	assert.Nil(t, x509c.VerifyHostname("n.j.example.org"))
+	assert.Nil(t, x509c.VerifyHostname("c.i.j.example.org"))
+	assert.Nil(t, x509c.VerifyHostname("m.l.example.org"))
+	assert.Error(t, x509c.VerifyHostname("m.l.jkf.example.org"))
+
+	// Check the certificate for an IP
+	tlsCertForIP, err := c.GetOrCreateCert("192.168.0.1")
+	x509c = tlsCertForIP.Leaf
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(x509c.IPAddresses))
+	assert.True(t, net.ParseIP("192.168.0.1").Equal(x509c.IPAddresses[0]))
+
+	// Check that certificate is cached
+	tlsCertForIP2, err := c.GetOrCreateCert("192.168.0.1")
+	x509c = tlsCertForIP2.Leaf
+	assert.Nil(t, err)
+	assert.True(t, tlsCertForIP == tlsCertForIP2)
+	assert.Nil(t, x509c.VerifyHostname("192.168.0.1"))
+}
+
+func TestGenerateAndSave(t *testing.T) {
+	caPath := "ca.crt"
+	caKeyPath := "ca.key"
+
+	err := GenerateAndSave(caPath, caKeyPath)
+
+	assert.Nil(t, err)
+
+	_ = os.Remove(caPath)
+	_ = os.Remove(caKeyPath)
+}

common/cert/storage.go

@@ -0,0 +1,39 @@
+package cert
+
+import (
+	"crypto/tls"
+	"sync"
+
+	"github.com/Dreamacro/clash/component/trie"
+)
+
+// DomainTrieCertsStorage cache wildcard certificates
+type DomainTrieCertsStorage struct {
+	certsCache *trie.DomainTrie[*tls.Certificate]
+	lock       sync.RWMutex
+}
+
+// Get gets the certificate from the storage
+func (c *DomainTrieCertsStorage) Get(key string) (*tls.Certificate, bool) {
+	c.lock.RLock()
+	defer c.lock.RUnlock()
+
+	ca := c.certsCache.Search(key)
+	if ca == nil {
+		return nil, false
+	}
+	return ca.Data, true
+}
+
+// Set saves the certificate to the storage
+func (c *DomainTrieCertsStorage) Set(key string, cert *tls.Certificate) {
+	c.lock.Lock()
+	_ = c.certsCache.Insert(key, cert)
+	c.lock.Unlock()
+}
+
+func NewDomainTrieCertsStorage() *DomainTrieCertsStorage {
+	return &DomainTrieCertsStorage{
+		certsCache: trie.New[*tls.Certificate](),
+	}
+}

common/cmd/cmd.go

@@ -0,0 +1,35 @@
+package cmd
+
+import (
+	"fmt"
+	"os/exec"
+	"strings"
+)
+
+func ExecCmd(cmdStr string) (string, error) {
+	args := splitArgs(cmdStr)
+
+	var cmd *exec.Cmd
+	if len(args) == 1 {
+		cmd = exec.Command(args[0])
+	} else {
+		cmd = exec.Command(args[0], args[1:]...)
+	}
+
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		return "", fmt.Errorf("%v, %s", err, string(out))
+	}
+	return string(out), nil
+}
+
+func splitArgs(cmd string) []string {
+	args := strings.Split(cmd, " ")
+
+	// use in pipeline
+	if len(args) > 2 && strings.ContainsAny(cmd, "|") {
+		suffix := strings.Join(args[2:], " ")
+		args = append(args[:2], suffix)
+	}
+	return args
+}

common/cmd/cmd_test.go

@@ -0,0 +1,40 @@
+package cmd
+
+import (
+	"runtime"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSplitArgs(t *testing.T) {
+	args := splitArgs("ls")
+	args1 := splitArgs("ls -la")
+	args2 := splitArgs("bash -c ls")
+	args3 := splitArgs("bash -c ls -lahF | grep 'cmd'")
+
+	assert.Equal(t, 1, len(args))
+	assert.Equal(t, 2, len(args1))
+	assert.Equal(t, 3, len(args2))
+	assert.Equal(t, 3, len(args3))
+}
+
+func TestExecCmd(t *testing.T) {
+	if runtime.GOOS == "windows" {
+		_, err := ExecCmd("dir")
+		assert.Nil(t, err)
+		return
+	}
+
+	_, err := ExecCmd("ls")
+	_, err1 := ExecCmd("ls -la")
+	_, err2 := ExecCmd("bash -c ls")
+	_, err3 := ExecCmd("bash -c ls -la")
+	_, err4 := ExecCmd("bash -c ls -la | grep 'cmd'")
+
+	assert.Nil(t, err)
+	assert.Nil(t, err1)
+	assert.Nil(t, err2)
+	assert.Nil(t, err3)
+	assert.Nil(t, err4)
+}

common/convert/converter.go

@@ -0,0 +1,347 @@
+package convert
+
+import (
+	"bytes"
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+)
+
+var enc = base64.StdEncoding
+
+func DecodeBase64(buf []byte) ([]byte, error) {
+	dBuf := make([]byte, enc.DecodedLen(len(buf)))
+	n, err := enc.Decode(dBuf, buf)
+	if err != nil {
+		return nil, err
+	}
+
+	return dBuf[:n], nil
+}
+
+func DecodeRawBase64(buf []byte) ([]byte, error) {
+	dBuf := make([]byte, base64.RawStdEncoding.DecodedLen(len(buf)))
+	n, err := base64.RawStdEncoding.Decode(dBuf, buf)
+	if err != nil {
+		return nil, err
+	}
+
+	return dBuf[:n], nil
+}
+
+// ConvertsV2Ray convert V2Ray subscribe proxies data to clash proxies config
+func ConvertsV2Ray(buf []byte) ([]map[string]any, error) {
+	data, err := DecodeBase64(buf)
+	if err != nil {
+		data, err = DecodeRawBase64(buf)
+		if err != nil {
+			data = buf
+		}
+	}
+
+	arr := strings.Split(string(data), "\n")
+
+	proxies := make([]map[string]any, 0, len(arr))
+	names := make(map[string]int, 200)
+
+	for _, line := range arr {
+		line = strings.TrimRight(line, " \r")
+		if line == "" {
+			continue
+		}
+
+		scheme, body, found := strings.Cut(line, "://")
+		if !found {
+			continue
+		}
+
+		scheme = strings.ToLower(scheme)
+		switch scheme {
+		case "trojan":
+			urlTrojan, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			query := urlTrojan.Query()
+
+			name := uniqueName(names, urlTrojan.Fragment)
+			trojan := make(map[string]any, 20)
+
+			trojan["name"] = name
+			trojan["type"] = scheme
+			trojan["server"] = urlTrojan.Hostname()
+			trojan["port"] = urlTrojan.Port()
+			trojan["password"] = urlTrojan.User.Username()
+			trojan["udp"] = true
+			trojan["skip-cert-verify"] = false
+
+			sni := query.Get("sni")
+			if sni != "" {
+				trojan["sni"] = sni
+			}
+
+			network := strings.ToLower(query.Get("type"))
+			if network != "" {
+				trojan["network"] = network
+			}
+
+			if network == "ws" {
+				headers := make(map[string]any)
+				wsOpts := make(map[string]any)
+
+				headers["Host"] = RandHost()
+				headers["User-Agent"] = RandUserAgent()
+
+				wsOpts["path"] = query.Get("path")
+				wsOpts["headers"] = headers
+
+				trojan["ws-opts"] = wsOpts
+			}
+
+			proxies = append(proxies, trojan)
+		case "vmess":
+			dcBuf, err := enc.DecodeString(body)
+			if err != nil {
+				continue
+			}
+
+			jsonDc := json.NewDecoder(bytes.NewReader(dcBuf))
+			values := make(map[string]any, 20)
+
+			if jsonDc.Decode(&values) != nil {
+				continue
+			}
+
+			name := uniqueName(names, values["ps"].(string))
+			vmess := make(map[string]any, 20)
+
+			vmess["name"] = name
+			vmess["type"] = scheme
+			vmess["server"] = values["add"]
+			vmess["port"] = values["port"]
+			vmess["uuid"] = values["id"]
+			vmess["alterId"] = values["aid"]
+			vmess["cipher"] = "auto"
+			vmess["udp"] = true
+			vmess["skip-cert-verify"] = false
+
+			host := values["host"]
+			network := strings.ToLower(values["net"].(string))
+
+			vmess["network"] = network
+
+			tls := strings.ToLower(values["tls"].(string))
+			if tls != "" && tls != "0" && tls != "null" {
+				if host != nil {
+					vmess["servername"] = host
+				}
+				vmess["tls"] = true
+			}
+
+			if network == "ws" {
+				headers := make(map[string]any)
+				wsOpts := make(map[string]any)
+
+				headers["Host"] = RandHost()
+				headers["User-Agent"] = RandUserAgent()
+
+				if values["path"] != nil {
+					wsOpts["path"] = values["path"]
+				}
+				wsOpts["headers"] = headers
+
+				vmess["ws-opts"] = wsOpts
+			}
+
+			proxies = append(proxies, vmess)
+		case "ss":
+			urlSS, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			name := uniqueName(names, urlSS.Fragment)
+			port := urlSS.Port()
+
+			if port == "" {
+				dcBuf, err := enc.DecodeString(urlSS.Host)
+				if err != nil {
+					continue
+				}
+
+				urlSS, err = url.Parse("ss://" + string(dcBuf))
+				if err != nil {
+					continue
+				}
+			}
+
+			var (
+				cipher   = urlSS.User.Username()
+				password string
+			)
+
+			if password, found = urlSS.User.Password(); !found {
+				dcBuf, err := enc.DecodeString(cipher)
+				if err != nil {
+					continue
+				}
+
+				cipher, password, found = strings.Cut(string(dcBuf), ":")
+				if !found {
+					continue
+				}
+			}
+
+			ss := make(map[string]any, 20)
+
+			ss["name"] = name
+			ss["type"] = scheme
+			ss["server"] = urlSS.Hostname()
+			ss["port"] = urlSS.Port()
+			ss["cipher"] = cipher
+			ss["password"] = password
+			ss["udp"] = true
+
+			proxies = append(proxies, ss)
+		case "ssr":
+			dcBuf, err := enc.DecodeString(body)
+			if err != nil {
+				continue
+			}
+
+			// ssr://host:port:protocol:method:obfs:urlsafebase64pass/?obfsparam=urlsafebase64&protoparam=&remarks=urlsafebase64&group=urlsafebase64&udpport=0&uot=1
+
+			before, after, ok := strings.Cut(string(dcBuf), "/?")
+			if !ok {
+				continue
+			}
+
+			beforeArr := strings.Split(before, ":")
+
+			if len(beforeArr) != 6 {
+				continue
+			}
+
+			host := beforeArr[0]
+			port := beforeArr[1]
+			protocol := beforeArr[2]
+			method := beforeArr[3]
+			obfs := beforeArr[4]
+			password := decodeUrlSafe(urlSafe(beforeArr[5]))
+
+			query, err := url.ParseQuery(urlSafe(after))
+			if err != nil {
+				continue
+			}
+
+			remarks := decodeUrlSafe(query.Get("remarks"))
+			name := uniqueName(names, remarks)
+
+			obfsParam := decodeUrlSafe(query.Get("obfsparam"))
+			protocolParam := query.Get("protoparam")
+
+			ssr := make(map[string]any, 20)
+
+			ssr["name"] = name
+			ssr["type"] = scheme
+			ssr["server"] = host
+			ssr["port"] = port
+			ssr["cipher"] = method
+			ssr["password"] = password
+			ssr["obfs"] = obfs
+			ssr["protocol"] = protocol
+			ssr["udp"] = true
+
+			if obfsParam != "" {
+				ssr["obfs-param"] = obfsParam
+			}
+
+			if protocolParam != "" {
+				ssr["protocol-param"] = protocolParam
+			}
+
+			proxies = append(proxies, ssr)
+		case "vless":
+			urlVless, err := url.Parse(line)
+			if err != nil {
+				continue
+			}
+
+			query := urlVless.Query()
+
+			name := uniqueName(names, urlVless.Fragment)
+			vless := make(map[string]any, 20)
+
+			vless["name"] = name
+			vless["type"] = scheme
+			vless["server"] = urlVless.Hostname()
+			vless["port"] = urlVless.Port()
+			vless["uuid"] = urlVless.User.Username()
+			vless["udp"] = true
+			vless["skip-cert-verify"] = false
+
+			sni := query.Get("sni")
+			if sni != "" {
+				vless["servername"] = sni
+			}
+
+			flow := strings.ToLower(query.Get("flow"))
+			if flow != "" {
+				vless["flow"] = flow
+			}
+
+			network := strings.ToLower(query.Get("type"))
+			if network != "" {
+				vless["network"] = network
+			}
+
+			if network == "ws" {
+				headers := make(map[string]any)
+				wsOpts := make(map[string]any)
+
+				headers["Host"] = RandHost()
+				headers["User-Agent"] = RandUserAgent()
+
+				wsOpts["path"] = query.Get("path")
+				wsOpts["headers"] = headers
+
+				vless["ws-opts"] = wsOpts
+			}
+
+			proxies = append(proxies, vless)
+		}
+	}
+
+	if len(proxies) == 0 {
+		return nil, fmt.Errorf("convert v2ray subscribe error: format invalid")
+	}
+
+	return proxies, nil
+}
+
+func urlSafe(data string) string {
+	return strings.ReplaceAll(strings.ReplaceAll(data, "+", "-"), "/", "_")
+}
+
+func decodeUrlSafe(data string) string {
+	dcBuf, err := base64.URLEncoding.DecodeString(data)
+	if err != nil {
+		return ""
+	}
+	return string(dcBuf)
+}
+
+func uniqueName(names map[string]int, name string) string {
+	if index, ok := names[name]; ok {
+		index++
+		names[name] = index
+		name = fmt.Sprintf("%s-%02d", name, index)
+	} else {
+		index = 0
+		names[name] = index
+	}
+	return name
+}

common/convert/util.go

@@ -0,0 +1,315 @@
+package convert
+
+import (
+	"encoding/base64"
+	"math/rand"
+	"net/http"
+	"strings"
+
+	"github.com/gofrs/uuid"
+)
+
+var hostsSuffix = []string{
+	"-cdn.aliyuncs.com",
+	".alicdn.com",
+	".pan.baidu.com",
+	".tbcache.com",
+	".aliyuncdn.com",
+	".vod.miguvideo.com",
+	".cibntv.net",
+	".myqcloud.com",
+	".smtcdns.com",
+	".alikunlun.com",
+	".smtcdns.net",
+	".apcdns.net",
+	".cdn-go.cn",
+	".cdntip.com",
+	".cdntips.com",
+	".alidayu.com",
+	".alidns.com",
+	".cdngslb.com",
+	".mxhichina.com",
+}
+
+var userAgents = []string{
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.162 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; Moto C Build/NRD90M.059) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1.1; SM-J120M Build/LMY47X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; Moto G (5) Build/NPPS25.137-93-14) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 7.0; SM-G570M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0; CAM-L03 Build/HUAWEICAM-L03) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.3 (KHTML, like Gecko) Chrome/6.0.472.63 Safari/534.3",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.7 (KHTML, like Gecko) Chrome/7.0.517.44 Safari/534.7",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.3 (KHTML, like Gecko) Chrome/6.0.472.63 Safari/534.3",
+	"Mozilla/5.0 (Linux; Android 8.0.0; FIG-LX3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.80 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.115 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+	"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.10 (KHTML, like Gecko) Chrome/8.0.552.237 Safari/534.10",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/5.0.342.1 Safari/533.2",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.110 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.81 Safari/537.36",
+	"Mozilla/5.0 (X11; Datanyze; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 5.1.1; SM-J111M Build/LMY47V) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36",
+	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.107 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-J700M Build/MMB29K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.63 Safari/537.36",
+	"Mozilla/5.0 (X11; Linux i686) AppleWebKit/534.30 (KHTML, like Gecko) Slackware/Chrome/12.0.742.100 Safari/534.30",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.167 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.116 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36",
+	"Mozilla/5.0 (X11; Linux i686) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.100 Safari/534.30",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 8.0.0; WAS-LX3 Build/HUAWEIWAS-LX3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
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+	"Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.64 Safari/537.31",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532G Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.83 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.109 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.131 Safari/537.36",
+	"Mozilla/5.0 (Linux; Android 6.0; vivo 1713 Build/MRA58K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.124 Mobile Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.67 Safari/537.36",
+	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
+}
+
+var (
+	hostsLen = len(hostsSuffix)
+	uaLen    = len(userAgents)
+)
+
+func RandHost() string {
+	id, _ := uuid.NewV4()
+	base := strings.ToLower(base64.RawURLEncoding.EncodeToString(id.Bytes()))
+	base = strings.ReplaceAll(base, "-", "")
+	base = strings.ReplaceAll(base, "_", "")
+	buf := []byte(base)
+	prefix := string(buf[:3]) + "---"
+	prefix += string(buf[6:8]) + "-"
+	prefix += string(buf[len(buf)-8:])
+
+	return prefix + hostsSuffix[rand.Intn(hostsLen)]
+}
+
+func RandUserAgent() string {
+	return userAgents[rand.Intn(uaLen)]
+}
+
+func SetUserAgent(header http.Header) {
+	if header.Get("User-Agent") != "" {
+		return
+	}
+	userAgent := RandUserAgent()
+	header.Set("User-Agent", userAgent)
+}

common/generics/list/list.go

@@ -0,0 +1,235 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package list implements a doubly linked list.
+//
+// To iterate over a list (where l is a *List):
+//	for e := l.Front(); e != nil; e = e.Next() {
+//		// do something with e.Value
+//	}
+//
+package list
+
+// Element is an element of a linked list.
+type Element[T any] struct {
+	// Next and previous pointers in the doubly-linked list of elements.
+	// To simplify the implementation, internally a list l is implemented
+	// as a ring, such that &l.root is both the next element of the last
+	// list element (l.Back()) and the previous element of the first list
+	// element (l.Front()).
+	next, prev *Element[T]
+
+	// The list to which this element belongs.
+	list *List[T]
+
+	// The value stored with this element.
+	Value T
+}
+
+// Next returns the next list element or nil.
+func (e *Element[T]) Next() *Element[T] {
+	if p := e.next; e.list != nil && p != &e.list.root {
+		return p
+	}
+	return nil
+}
+
+// Prev returns the previous list element or nil.
+func (e *Element[T]) Prev() *Element[T] {
+	if p := e.prev; e.list != nil && p != &e.list.root {
+		return p
+	}
+	return nil
+}
+
+// List represents a doubly linked list.
+// The zero value for List is an empty list ready to use.
+type List[T any] struct {
+	root Element[T] // sentinel list element, only &root, root.prev, and root.next are used
+	len  int        // current list length excluding (this) sentinel element
+}
+
+// Init initializes or clears list l.
+func (l *List[T]) Init() *List[T] {
+	l.root.next = &l.root
+	l.root.prev = &l.root
+	l.len = 0
+	return l
+}
+
+// New returns an initialized list.
+func New[T any]() *List[T] { return new(List[T]).Init() }
+
+// Len returns the number of elements of list l.
+// The complexity is O(1).
+func (l *List[T]) Len() int { return l.len }
+
+// Front returns the first element of list l or nil if the list is empty.
+func (l *List[T]) Front() *Element[T] {
+	if l.len == 0 {
+		return nil
+	}
+	return l.root.next
+}
+
+// Back returns the last element of list l or nil if the list is empty.
+func (l *List[T]) Back() *Element[T] {
+	if l.len == 0 {
+		return nil
+	}
+	return l.root.prev
+}
+
+// lazyInit lazily initializes a zero List value.
+func (l *List[T]) lazyInit() {
+	if l.root.next == nil {
+		l.Init()
+	}
+}
+
+// insert inserts e after at, increments l.len, and returns e.
+func (l *List[T]) insert(e, at *Element[T]) *Element[T] {
+	e.prev = at
+	e.next = at.next
+	e.prev.next = e
+	e.next.prev = e
+	e.list = l
+	l.len++
+	return e
+}
+
+// insertValue is a convenience wrapper for insert(&Element{Value: v}, at).
+func (l *List[T]) insertValue(v T, at *Element[T]) *Element[T] {
+	return l.insert(&Element[T]{Value: v}, at)
+}
+
+// remove removes e from its list, decrements l.len
+func (l *List[T]) remove(e *Element[T]) {
+	e.prev.next = e.next
+	e.next.prev = e.prev
+	e.next = nil // avoid memory leaks
+	e.prev = nil // avoid memory leaks
+	e.list = nil
+	l.len--
+}
+
+// move moves e to next to at.
+func (l *List[T]) move(e, at *Element[T]) {
+	if e == at {
+		return
+	}
+	e.prev.next = e.next
+	e.next.prev = e.prev
+
+	e.prev = at
+	e.next = at.next
+	e.prev.next = e
+	e.next.prev = e
+}
+
+// Remove removes e from l if e is an element of list l.
+// It returns the element value e.Value.
+// The element must not be nil.
+func (l *List[T]) Remove(e *Element[T]) T {
+	if e.list == l {
+		// if e.list == l, l must have been initialized when e was inserted
+		// in l or l == nil (e is a zero Element) and l.remove will crash
+		l.remove(e)
+	}
+	return e.Value
+}
+
+// PushFront inserts a new element e with value v at the front of list l and returns e.
+func (l *List[T]) PushFront(v T) *Element[T] {
+	l.lazyInit()
+	return l.insertValue(v, &l.root)
+}
+
+// PushBack inserts a new element e with value v at the back of list l and returns e.
+func (l *List[T]) PushBack(v T) *Element[T] {
+	l.lazyInit()
+	return l.insertValue(v, l.root.prev)
+}
+
+// InsertBefore inserts a new element e with value v immediately before mark and returns e.
+// If mark is not an element of l, the list is not modified.
+// The mark must not be nil.
+func (l *List[T]) InsertBefore(v T, mark *Element[T]) *Element[T] {
+	if mark.list != l {
+		return nil
+	}
+	// see comment in List.Remove about initialization of l
+	return l.insertValue(v, mark.prev)
+}
+
+// InsertAfter inserts a new element e with value v immediately after mark and returns e.
+// If mark is not an element of l, the list is not modified.
+// The mark must not be nil.
+func (l *List[T]) InsertAfter(v T, mark *Element[T]) *Element[T] {
+	if mark.list != l {
+		return nil
+	}
+	// see comment in List.Remove about initialization of l
+	return l.insertValue(v, mark)
+}
+
+// MoveToFront moves element e to the front of list l.
+// If e is not an element of l, the list is not modified.
+// The element must not be nil.
+func (l *List[T]) MoveToFront(e *Element[T]) {
+	if e.list != l || l.root.next == e {
+		return
+	}
+	// see comment in List.Remove about initialization of l
+	l.move(e, &l.root)
+}
+
+// MoveToBack moves element e to the back of list l.
+// If e is not an element of l, the list is not modified.
+// The element must not be nil.
+func (l *List[T]) MoveToBack(e *Element[T]) {
+	if e.list != l || l.root.prev == e {
+		return
+	}
+	// see comment in List.Remove about initialization of l
+	l.move(e, l.root.prev)
+}
+
+// MoveBefore moves element e to its new position before mark.
+// If e or mark is not an element of l, or e == mark, the list is not modified.
+// The element and mark must not be nil.
+func (l *List[T]) MoveBefore(e, mark *Element[T]) {
+	if e.list != l || e == mark || mark.list != l {
+		return
+	}
+	l.move(e, mark.prev)
+}
+
+// MoveAfter moves element e to its new position after mark.
+// If e or mark is not an element of l, or e == mark, the list is not modified.
+// The element and mark must not be nil.
+func (l *List[T]) MoveAfter(e, mark *Element[T]) {
+	if e.list != l || e == mark || mark.list != l {
+		return
+	}
+	l.move(e, mark)
+}
+
+// PushBackList inserts a copy of another list at the back of list l.
+// The lists l and other may be the same. They must not be nil.
+func (l *List[T]) PushBackList(other *List[T]) {
+	l.lazyInit()
+	for i, e := other.Len(), other.Front(); i > 0; i, e = i-1, e.Next() {
+		l.insertValue(e.Value, l.root.prev)
+	}
+}
+
+// PushFrontList inserts a copy of another list at the front of list l.
+// The lists l and other may be the same. They must not be nil.
+func (l *List[T]) PushFrontList(other *List[T]) {
+	l.lazyInit()
+	for i, e := other.Len(), other.Back(); i > 0; i, e = i-1, e.Prev() {
+		l.insertValue(e.Value, &l.root)
+	}
+}

common/net/relay.go

@@ -0,0 +1,33 @@
+package net
+
+import (
+	"io"
+	"net"
+	"time"
+)
+
+// Relay copies between left and right bidirectionally.
+func Relay(leftConn, rightConn net.Conn) {
+	ch := make(chan error)
+
+	tcpKeepAlive(leftConn)
+	tcpKeepAlive(rightConn)
+
+	go func() {
+		// Wrapping to avoid using *net.TCPConn.(ReadFrom)
+		// See also https://github.com/Dreamacro/clash/pull/1209
+		_, err := io.Copy(WriteOnlyWriter{Writer: leftConn}, ReadOnlyReader{Reader: rightConn})
+		_ = leftConn.SetReadDeadline(time.Now())
+		ch <- err
+	}()
+
+	_, _ = io.Copy(WriteOnlyWriter{Writer: rightConn}, ReadOnlyReader{Reader: leftConn})
+	_ = rightConn.SetReadDeadline(time.Now())
+	<-ch
+}
+
+func tcpKeepAlive(c net.Conn) {
+	if tcp, ok := c.(*net.TCPConn); ok {
+		_ = tcp.SetKeepAlive(true)
+	}
+}

common/nnip/netip.go

@@ -0,0 +1,53 @@
+package nnip
+
+import (
+	"encoding/binary"
+	"net"
+	"net/netip"
+)
+
+// IpToAddr converts the net.IP to netip.Addr.
+// If slice's length is not 4 or 16, IpToAddr returns netip.Addr{}
+func IpToAddr(slice net.IP) netip.Addr {
+	ip := slice
+	if len(ip) != 4 {
+		if ip = slice.To4(); ip == nil {
+			ip = slice
+		}
+	}
+
+	if addr, ok := netip.AddrFromSlice(ip); ok {
+		return addr
+	}
+	return netip.Addr{}
+}
+
+// UnMasked returns p's last IP address.
+// If p is invalid, UnMasked returns netip.Addr{}
+func UnMasked(p netip.Prefix) netip.Addr {
+	if !p.IsValid() {
+		return netip.Addr{}
+	}
+
+	buf := p.Addr().As16()
+
+	hi := binary.BigEndian.Uint64(buf[:8])
+	lo := binary.BigEndian.Uint64(buf[8:])
+
+	bits := p.Bits()
+	if bits <= 32 {
+		bits += 96
+	}
+
+	hi = hi | ^uint64(0)>>bits
+	lo = lo | ^(^uint64(0) << (128 - bits))
+
+	binary.BigEndian.PutUint64(buf[:8], hi)
+	binary.BigEndian.PutUint64(buf[8:], lo)
+
+	addr := netip.AddrFrom16(buf)
+	if p.Addr().Is4() {
+		return addr.Unmap()
+	}
+	return addr
+}

common/observable/iterable.go

@@ -1,3 +1,3 @@
 package observable
 
-type Iterable <-chan interface{}
+type Iterable[T any] <-chan T

common/observable/observable.go

@@ -5,14 +5,14 @@ import (
 	"sync"
 )
 
-type Observable struct {
-	iterable Iterable
-	listener map[Subscription]*Subscriber
+type Observable[T any] struct {
+	iterable Iterable[T]
+	listener map[Subscription[T]]*Subscriber[T]
 	mux      sync.Mutex
 	done     bool
 }
 
-func (o *Observable) process() {
+func (o *Observable[T]) process() {
 	for item := range o.iterable {
 		o.mux.Lock()
 		for _, sub := range o.listener {
@@ -23,7 +23,7 @@ func (o *Observable) process() {
 	o.close()
 }
 
-func (o *Observable) close() {
+func (o *Observable[T]) close() {
 	o.mux.Lock()
 	defer o.mux.Unlock()
 
@@ -33,18 +33,18 @@ func (o *Observable) close() {
 	}
 }
 
-func (o *Observable) Subscribe() (Subscription, error) {
+func (o *Observable[T]) Subscribe() (Subscription[T], error) {
 	o.mux.Lock()
 	defer o.mux.Unlock()
 	if o.done {
-		return nil, errors.New("Observable is closed")
+		return nil, errors.New("observable is closed")
 	}
-	subscriber := newSubscriber()
+	subscriber := newSubscriber[T]()
 	o.listener[subscriber.Out()] = subscriber
 	return subscriber.Out(), nil
 }
 
-func (o *Observable) UnSubscribe(sub Subscription) {
+func (o *Observable[T]) UnSubscribe(sub Subscription[T]) {
 	o.mux.Lock()
 	defer o.mux.Unlock()
 	subscriber, exist := o.listener[sub]
@@ -55,10 +55,10 @@ func (o *Observable) UnSubscribe(sub Subscription) {
 	subscriber.Close()
 }
 
-func NewObservable(any Iterable) *Observable {
-	observable := &Observable{
-		iterable: any,
-		listener: map[Subscription]*Subscriber{},
+func NewObservable[T any](iter Iterable[T]) *Observable[T] {
+	observable := &Observable[T]{
+		iterable: iter,
+		listener: map[Subscription[T]]*Subscriber[T]{},
 	}
 	go observable.process()
 	return observable

common/observable/observable_test.go

@@ -9,8 +9,8 @@ import (
 	"go.uber.org/atomic"
 )
 
-func iterator(item []interface{}) chan interface{} {
-	ch := make(chan interface{})
+func iterator[T any](item []T) chan T {
+	ch := make(chan T)
 	go func() {
 		time.Sleep(100 * time.Millisecond)
 		for _, elm := range item {
@@ -22,8 +22,8 @@ func iterator(item []interface{}) chan interface{} {
 }
 
 func TestObservable(t *testing.T) {
-	iter := iterator([]interface{}{1, 2, 3, 4, 5})
-	src := NewObservable(iter)
+	iter := iterator[int]([]int{1, 2, 3, 4, 5})
+	src := NewObservable[int](iter)
 	data, err := src.Subscribe()
 	assert.Nil(t, err)
 	count := 0
@@ -34,15 +34,15 @@ func TestObservable(t *testing.T) {
 }
 
 func TestObservable_MultiSubscribe(t *testing.T) {
-	iter := iterator([]interface{}{1, 2, 3, 4, 5})
-	src := NewObservable(iter)
+	iter := iterator[int]([]int{1, 2, 3, 4, 5})
+	src := NewObservable[int](iter)
 	ch1, _ := src.Subscribe()
 	ch2, _ := src.Subscribe()
 	count := atomic.NewInt32(0)
 
 	var wg sync.WaitGroup
 	wg.Add(2)
-	waitCh := func(ch <-chan interface{}) {
+	waitCh := func(ch <-chan int) {
 		for range ch {
 			count.Inc()
 		}
@@ -55,8 +55,8 @@ func TestObservable_MultiSubscribe(t *testing.T) {
 }
 
 func TestObservable_UnSubscribe(t *testing.T) {
-	iter := iterator([]interface{}{1, 2, 3, 4, 5})
-	src := NewObservable(iter)
+	iter := iterator[int]([]int{1, 2, 3, 4, 5})
+	src := NewObservable[int](iter)
 	data, err := src.Subscribe()
 	assert.Nil(t, err)
 	src.UnSubscribe(data)
@@ -65,8 +65,8 @@ func TestObservable_UnSubscribe(t *testing.T) {
 }
 
 func TestObservable_SubscribeClosedSource(t *testing.T) {
-	iter := iterator([]interface{}{1})
-	src := NewObservable(iter)
+	iter := iterator[int]([]int{1})
+	src := NewObservable[int](iter)
 	data, _ := src.Subscribe()
 	<-data
 
@@ -75,18 +75,18 @@ func TestObservable_SubscribeClosedSource(t *testing.T) {
 }
 
 func TestObservable_UnSubscribeWithNotExistSubscription(t *testing.T) {
-	sub := Subscription(make(chan interface{}))
-	iter := iterator([]interface{}{1})
-	src := NewObservable(iter)
+	sub := Subscription[int](make(chan int))
+	iter := iterator[int]([]int{1})
+	src := NewObservable[int](iter)
 	src.UnSubscribe(sub)
 }
 
 func TestObservable_SubscribeGoroutineLeak(t *testing.T) {
-	iter := iterator([]interface{}{1, 2, 3, 4, 5})
-	src := NewObservable(iter)
+	iter := iterator[int]([]int{1, 2, 3, 4, 5})
+	src := NewObservable[int](iter)
 	max := 100
 
-	var list []Subscription
+	var list []Subscription[int]
 	for i := 0; i < max; i++ {
 		ch, _ := src.Subscribe()
 		list = append(list, ch)
@@ -94,7 +94,7 @@ func TestObservable_SubscribeGoroutineLeak(t *testing.T) {
 
 	var wg sync.WaitGroup
 	wg.Add(max)
-	waitCh := func(ch <-chan interface{}) {
+	waitCh := func(ch <-chan int) {
 		for range ch {
 		}
 		wg.Done()
@@ -115,11 +115,11 @@ func TestObservable_SubscribeGoroutineLeak(t *testing.T) {
 }
 
 func Benchmark_Observable_1000(b *testing.B) {
-	ch := make(chan interface{})
-	o := NewObservable(ch)
+	ch := make(chan int)
+	o := NewObservable[int](ch)
 	num := 1000
 
-	subs := []Subscription{}
+	subs := []Subscription[int]{}
 	for i := 0; i < num; i++ {
 		sub, _ := o.Subscribe()
 		subs = append(subs, sub)
@@ -130,7 +130,7 @@ func Benchmark_Observable_1000(b *testing.B) {
 
 	b.ResetTimer()
 	for _, sub := range subs {
-		go func(s Subscription) {
+		go func(s Subscription[int]) {
 			for range s {
 			}
 			wg.Done()

common/observable/subscriber.go

@@ -4,30 +4,30 @@ import (
 	"sync"
 )
 
-type Subscription <-chan interface{}
+type Subscription[T any] <-chan T
 
-type Subscriber struct {
-	buffer chan interface{}
+type Subscriber[T any] struct {
+	buffer chan T
 	once   sync.Once
 }
 
-func (s *Subscriber) Emit(item interface{}) {
+func (s *Subscriber[T]) Emit(item T) {
 	s.buffer <- item
 }
 
-func (s *Subscriber) Out() Subscription {
+func (s *Subscriber[T]) Out() Subscription[T] {
 	return s.buffer
 }
 
-func (s *Subscriber) Close() {
+func (s *Subscriber[T]) Close() {
 	s.once.Do(func() {
 		close(s.buffer)
 	})
 }
 
-func newSubscriber() *Subscriber {
-	sub := &Subscriber{
-		buffer: make(chan interface{}, 200),
+func newSubscriber[T any]() *Subscriber[T] {
+	sub := &Subscriber[T]{
+		buffer: make(chan T, 200),
 	}
 	return sub
 }

common/picker/picker.go

@@ -9,7 +9,7 @@ import (
 // Picker provides synchronization, and Context cancelation
 // for groups of goroutines working on subtasks of a common task.
 // Inspired by errGroup
-type Picker struct {
+type Picker[T any] struct {
 	ctx    context.Context
 	cancel func()
 
@@ -17,12 +17,12 @@ type Picker struct {
 
 	once    sync.Once
 	errOnce sync.Once
-	result  interface{}
+	result  T
 	err     error
 }
 
-func newPicker(ctx context.Context, cancel func()) *Picker {
-	return &Picker{
+func newPicker[T any](ctx context.Context, cancel func()) *Picker[T] {
+	return &Picker[T]{
 		ctx:    ctx,
 		cancel: cancel,
 	}
@@ -30,20 +30,20 @@ func newPicker(ctx context.Context, cancel func()) *Picker {
 
 // WithContext returns a new Picker and an associated Context derived from ctx.
 // and cancel when first element return.
-func WithContext(ctx context.Context) (*Picker, context.Context) {
+func WithContext[T any](ctx context.Context) (*Picker[T], context.Context) {
 	ctx, cancel := context.WithCancel(ctx)
-	return newPicker(ctx, cancel), ctx
+	return newPicker[T](ctx, cancel), ctx
 }
 
 // WithTimeout returns a new Picker and an associated Context derived from ctx with timeout.
-func WithTimeout(ctx context.Context, timeout time.Duration) (*Picker, context.Context) {
+func WithTimeout[T any](ctx context.Context, timeout time.Duration) (*Picker[T], context.Context) {
 	ctx, cancel := context.WithTimeout(ctx, timeout)
-	return newPicker(ctx, cancel), ctx
+	return newPicker[T](ctx, cancel), ctx
 }
 
 // Wait blocks until all function calls from the Go method have returned,
 // then returns the first nil error result (if any) from them.
-func (p *Picker) Wait() interface{} {
+func (p *Picker[T]) Wait() T {
 	p.wg.Wait()
 	if p.cancel != nil {
 		p.cancel()
@@ -52,13 +52,13 @@ func (p *Picker) Wait() interface{} {
 }
 
 // Error return the first error (if all success return nil)
-func (p *Picker) Error() error {
+func (p *Picker[T]) Error() error {
 	return p.err
 }
 
 // Go calls the given function in a new goroutine.
 // The first call to return a nil error cancels the group; its result will be returned by Wait.
-func (p *Picker) Go(f func() (interface{}, error)) {
+func (p *Picker[T]) Go(f func() (T, error)) {
 	p.wg.Add(1)
 
 	go func() {

common/picker/picker_test.go

@@ -8,33 +8,38 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func sleepAndSend(ctx context.Context, delay int, input interface{}) func() (interface{}, error) {
-	return func() (interface{}, error) {
+func sleepAndSend[T any](ctx context.Context, delay int, input T) func() (T, error) {
+	return func() (T, error) {
 		timer := time.NewTimer(time.Millisecond * time.Duration(delay))
 		select {
 		case <-timer.C:
 			return input, nil
 		case <-ctx.Done():
-			return nil, ctx.Err()
+			return getZero[T](), ctx.Err()
 		}
 	}
 }
 
 func TestPicker_Basic(t *testing.T) {
-	picker, ctx := WithContext(context.Background())
+	picker, ctx := WithContext[int](context.Background())
 	picker.Go(sleepAndSend(ctx, 30, 2))
 	picker.Go(sleepAndSend(ctx, 20, 1))
 
 	number := picker.Wait()
 	assert.NotNil(t, number)
-	assert.Equal(t, number.(int), 1)
+	assert.Equal(t, number, 1)
 }
 
 func TestPicker_Timeout(t *testing.T) {
-	picker, ctx := WithTimeout(context.Background(), time.Millisecond*5)
+	picker, ctx := WithTimeout[int](context.Background(), time.Millisecond*5)
 	picker.Go(sleepAndSend(ctx, 20, 1))
 
 	number := picker.Wait()
-	assert.Nil(t, number)
+	assert.Equal(t, number, getZero[int]())
 	assert.NotNil(t, picker.Error())
 }
+
+func getZero[T any]() T {
+	var result T
+	return result
+}

common/pool/alloc.go

@@ -23,7 +23,7 @@ func NewAllocator() *Allocator {
 	alloc.buffers = make([]sync.Pool, 17) // 1B -> 64K
 	for k := range alloc.buffers {
 		i := k
-		alloc.buffers[k].New = func() interface{} {
+		alloc.buffers[k].New = func() any {
 			return make([]byte, 1<<uint32(i))
 		}
 	}
@@ -52,8 +52,8 @@ func (alloc *Allocator) Put(buf []byte) error {
 		return errors.New("allocator Put() incorrect buffer size")
 	}
 
-	//lint:ignore SA6002 ignore temporarily
 	//nolint
+	//lint:ignore SA6002 ignore temporarily
 	alloc.buffers[bits].Put(buf)
 	return nil
 }

common/pool/buffer.go

@@ -5,7 +5,7 @@ import (
 	"sync"
 )
 
-var bufferPool = sync.Pool{New: func() interface{} { return &bytes.Buffer{} }}
+var bufferPool = sync.Pool{New: func() any { return &bytes.Buffer{} }}
 
 func GetBuffer() *bytes.Buffer {
 	return bufferPool.Get().(*bytes.Buffer)

common/queue/queue.go

@@ -5,13 +5,13 @@ import (
 )
 
 // Queue is a simple concurrent safe queue
-type Queue struct {
-	items []interface{}
+type Queue[T any] struct {
+	items []T
 	lock  sync.RWMutex
 }
 
 // Put add the item to the queue.
-func (q *Queue) Put(items ...interface{}) {
+func (q *Queue[T]) Put(items ...T) {
 	if len(items) == 0 {
 		return
 	}
@@ -22,9 +22,9 @@ func (q *Queue) Put(items ...interface{}) {
 }
 
 // Pop returns the head of items.
-func (q *Queue) Pop() interface{} {
+func (q *Queue[T]) Pop() T {
 	if len(q.items) == 0 {
-		return nil
+		return GetZero[T]()
 	}
 
 	q.lock.Lock()
@@ -35,9 +35,9 @@ func (q *Queue) Pop() interface{} {
 }
 
 // Last returns the last of item.
-func (q *Queue) Last() interface{} {
+func (q *Queue[T]) Last() T {
 	if len(q.items) == 0 {
-		return nil
+		return GetZero[T]()
 	}
 
 	q.lock.RLock()
@@ -47,8 +47,8 @@ func (q *Queue) Last() interface{} {
 }
 
 // Copy get the copy of queue.
-func (q *Queue) Copy() []interface{} {
-	items := []interface{}{}
+func (q *Queue[T]) Copy() []T {
+	items := []T{}
 	q.lock.RLock()
 	items = append(items, q.items...)
 	q.lock.RUnlock()
@@ -56,7 +56,7 @@ func (q *Queue) Copy() []interface{} {
 }
 
 // Len returns the number of items in this queue.
-func (q *Queue) Len() int64 {
+func (q *Queue[T]) Len() int64 {
 	q.lock.Lock()
 	defer q.lock.Unlock()
 
@@ -64,8 +64,13 @@ func (q *Queue) Len() int64 {
 }
 
 // New is a constructor for a new concurrent safe queue.
-func New(hint int64) *Queue {
-	return &Queue{
-		items: make([]interface{}, 0, hint),
+func New[T any](hint int64) *Queue[T] {
+	return &Queue[T]{
+		items: make([]T, 0, hint),
 	}
 }
+
+func GetZero[T any]() T {
+	var result T
+	return result
+}

common/singledo/singledo.go

@@ -5,28 +5,27 @@ import (
 	"time"
 )
 
-type call struct {
+type call[T any] struct {
 	wg  sync.WaitGroup
-	val interface{}
+	val T
 	err error
 }
 
-type Single struct {
+type Single[T any] struct {
 	mux    sync.Mutex
 	last   time.Time
 	wait   time.Duration
-	call   *call
-	result *Result
+	call   *call[T]
+	result *Result[T]
 }
 
-type Result struct {
-	Val interface{}
+type Result[T any] struct {
+	Val T
 	Err error
 }
 
 // Do single.Do likes sync.singleFlight
-//lint:ignore ST1008 it likes sync.singleFlight
-func (s *Single) Do(fn func() (interface{}, error)) (v interface{}, err error, shared bool) {
+func (s *Single[T]) Do(fn func() (T, error)) (v T, err error, shared bool) {
 	s.mux.Lock()
 	now := time.Now()
 	if now.Before(s.last.Add(s.wait)) {
@@ -34,31 +33,31 @@ func (s *Single) Do(fn func() (interface{}, error)) (v interface{}, err error, s
 		return s.result.Val, s.result.Err, true
 	}
 
-	if call := s.call; call != nil {
+	if callM := s.call; callM != nil {
 		s.mux.Unlock()
-		call.wg.Wait()
-		return call.val, call.err, true
+		callM.wg.Wait()
+		return callM.val, callM.err, true
 	}
 
-	call := &call{}
-	call.wg.Add(1)
-	s.call = call
+	callM := &call[T]{}
+	callM.wg.Add(1)
+	s.call = callM
 	s.mux.Unlock()
-	call.val, call.err = fn()
-	call.wg.Done()
+	callM.val, callM.err = fn()
+	callM.wg.Done()
 
 	s.mux.Lock()
 	s.call = nil
-	s.result = &Result{call.val, call.err}
+	s.result = &Result[T]{callM.val, callM.err}
 	s.last = now
 	s.mux.Unlock()
-	return call.val, call.err, false
+	return callM.val, callM.err, false
 }
 
-func (s *Single) Reset() {
+func (s *Single[T]) Reset() {
 	s.last = time.Time{}
 }
 
-func NewSingle(wait time.Duration) *Single {
-	return &Single{wait: wait}
+func NewSingle[T any](wait time.Duration) *Single[T] {
+	return &Single[T]{wait: wait}
 }

common/singledo/singledo_test.go

@@ -10,13 +10,13 @@ import (
 )
 
 func TestBasic(t *testing.T) {
-	single := NewSingle(time.Millisecond * 30)
+	single := NewSingle[int](time.Millisecond * 30)
 	foo := 0
 	shardCount := atomic.NewInt32(0)
-	call := func() (interface{}, error) {
+	call := func() (int, error) {
 		foo++
 		time.Sleep(time.Millisecond * 5)
-		return nil, nil
+		return 0, nil
 	}
 
 	var wg sync.WaitGroup
@@ -38,32 +38,32 @@ func TestBasic(t *testing.T) {
 }
 
 func TestTimer(t *testing.T) {
-	single := NewSingle(time.Millisecond * 30)
+	single := NewSingle[int](time.Millisecond * 30)
 	foo := 0
-	call := func() (interface{}, error) {
+	callM := func() (int, error) {
 		foo++
-		return nil, nil
+		return 0, nil
 	}
 
-	single.Do(call)
+	_, _, _ = single.Do(callM)
 	time.Sleep(10 * time.Millisecond)
-	_, _, shard := single.Do(call)
+	_, _, shard := single.Do(callM)
 
 	assert.Equal(t, 1, foo)
 	assert.True(t, shard)
 }
 
 func TestReset(t *testing.T) {
-	single := NewSingle(time.Millisecond * 30)
+	single := NewSingle[int](time.Millisecond * 30)
 	foo := 0
-	call := func() (interface{}, error) {
+	callM := func() (int, error) {
 		foo++
-		return nil, nil
+		return 0, nil
 	}
 
-	single.Do(call)
+	_, _, _ = single.Do(callM)
 	single.Reset()
-	single.Do(call)
+	_, _, _ = single.Do(callM)
 
 	assert.Equal(t, 2, foo)
 }

common/snifer/tls/sniff.go

@@ -0,0 +1,148 @@
+package tls
+
+import (
+	"encoding/binary"
+	"errors"
+	"strings"
+)
+
+var ErrNoClue = errors.New("not enough information for making a decision")
+
+type SniffHeader struct {
+	domain string
+}
+
+func (h *SniffHeader) Protocol() string {
+	return "tls"
+}
+
+func (h *SniffHeader) Domain() string {
+	return h.domain
+}
+
+var (
+	errNotTLS         = errors.New("not TLS header")
+	errNotClientHello = errors.New("not client hello")
+)
+
+func IsValidTLSVersion(major, minor byte) bool {
+	return major == 3
+}
+
+// ReadClientHello returns server name (if any) from TLS client hello message.
+// https://github.com/golang/go/blob/master/src/crypto/tls/handshake_messages.go#L300
+func ReadClientHello(data []byte, h *SniffHeader) error {
+	if len(data) < 42 {
+		return ErrNoClue
+	}
+	sessionIDLen := int(data[38])
+	if sessionIDLen > 32 || len(data) < 39+sessionIDLen {
+		return ErrNoClue
+	}
+	data = data[39+sessionIDLen:]
+	if len(data) < 2 {
+		return ErrNoClue
+	}
+	// cipherSuiteLen is the number of bytes of cipher suite numbers. Since
+	// they are uint16s, the number must be even.
+	cipherSuiteLen := int(data[0])<<8 | int(data[1])
+	if cipherSuiteLen%2 == 1 || len(data) < 2+cipherSuiteLen {
+		return errNotClientHello
+	}
+	data = data[2+cipherSuiteLen:]
+	if len(data) < 1 {
+		return ErrNoClue
+	}
+	compressionMethodsLen := int(data[0])
+	if len(data) < 1+compressionMethodsLen {
+		return ErrNoClue
+	}
+	data = data[1+compressionMethodsLen:]
+
+	if len(data) == 0 {
+		return errNotClientHello
+	}
+	if len(data) < 2 {
+		return errNotClientHello
+	}
+
+	extensionsLength := int(data[0])<<8 | int(data[1])
+	data = data[2:]
+	if extensionsLength != len(data) {
+		return errNotClientHello
+	}
+
+	for len(data) != 0 {
+		if len(data) < 4 {
+			return errNotClientHello
+		}
+		extension := uint16(data[0])<<8 | uint16(data[1])
+		length := int(data[2])<<8 | int(data[3])
+		data = data[4:]
+		if len(data) < length {
+			return errNotClientHello
+		}
+
+		if extension == 0x00 { /* extensionServerName */
+			d := data[:length]
+			if len(d) < 2 {
+				return errNotClientHello
+			}
+			namesLen := int(d[0])<<8 | int(d[1])
+			d = d[2:]
+			if len(d) != namesLen {
+				return errNotClientHello
+			}
+			for len(d) > 0 {
+				if len(d) < 3 {
+					return errNotClientHello
+				}
+				nameType := d[0]
+				nameLen := int(d[1])<<8 | int(d[2])
+				d = d[3:]
+				if len(d) < nameLen {
+					return errNotClientHello
+				}
+				if nameType == 0 {
+					serverName := string(d[:nameLen])
+					// An SNI value may not include a
+					// trailing dot. See
+					// https://tools.ietf.org/html/rfc6066#section-3.
+					if strings.HasSuffix(serverName, ".") {
+						return errNotClientHello
+					}
+					h.domain = serverName
+					return nil
+				}
+				d = d[nameLen:]
+			}
+		}
+		data = data[length:]
+	}
+
+	return errNotTLS
+}
+
+func SniffTLS(b []byte) (*SniffHeader, error) {
+	if len(b) < 5 {
+		return nil, ErrNoClue
+	}
+
+	if b[0] != 0x16 /* TLS Handshake */ {
+		return nil, errNotTLS
+	}
+	if !IsValidTLSVersion(b[1], b[2]) {
+		return nil, errNotTLS
+	}
+	headerLen := int(binary.BigEndian.Uint16(b[3:5]))
+	if 5+headerLen > len(b) {
+		return nil, ErrNoClue
+	}
+
+	h := &SniffHeader{}
+	err := ReadClientHello(b[5:5+headerLen], h)
+	if err == nil {
+		return h, nil
+	}
+	return nil, err
+}

common/snifer/tls/sniff_test.go

@@ -0,0 +1,159 @@
+package tls
+
+import (
+	"testing"
+)
+
+func TestTLSHeaders(t *testing.T) {
+	cases := []struct {
+		input  []byte
+		domain string
+		err    bool
+	}{
+		{
+			input: []byte{
+				0x16, 0x03, 0x01, 0x00, 0xc8, 0x01, 0x00, 0x00,
+				0xc4, 0x03, 0x03, 0x1a, 0xac, 0xb2, 0xa8, 0xfe,
+				0xb4, 0x96, 0x04, 0x5b, 0xca, 0xf7, 0xc1, 0xf4,
+				0x2e, 0x53, 0x24, 0x6e, 0x34, 0x0c, 0x58, 0x36,
+				0x71, 0x97, 0x59, 0xe9, 0x41, 0x66, 0xe2, 0x43,
+				0xa0, 0x13, 0xb6, 0x00, 0x00, 0x20, 0x1a, 0x1a,
+				0xc0, 0x2b, 0xc0, 0x2f, 0xc0, 0x2c, 0xc0, 0x30,
+				0xcc, 0xa9, 0xcc, 0xa8, 0xcc, 0x14, 0xcc, 0x13,
+				0xc0, 0x13, 0xc0, 0x14, 0x00, 0x9c, 0x00, 0x9d,
+				0x00, 0x2f, 0x00, 0x35, 0x00, 0x0a, 0x01, 0x00,
+				0x00, 0x7b, 0xba, 0xba, 0x00, 0x00, 0xff, 0x01,
+				0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x16, 0x00,
+				0x14, 0x00, 0x00, 0x11, 0x63, 0x2e, 0x73, 0x2d,
+				0x6d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x6f, 0x66,
+				0x74, 0x2e, 0x63, 0x6f, 0x6d, 0x00, 0x17, 0x00,
+				0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x0d, 0x00,
+				0x14, 0x00, 0x12, 0x04, 0x03, 0x08, 0x04, 0x04,
+				0x01, 0x05, 0x03, 0x08, 0x05, 0x05, 0x01, 0x08,
+				0x06, 0x06, 0x01, 0x02, 0x01, 0x00, 0x05, 0x00,
+				0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12,
+				0x00, 0x00, 0x00, 0x10, 0x00, 0x0e, 0x00, 0x0c,
+				0x02, 0x68, 0x32, 0x08, 0x68, 0x74, 0x74, 0x70,
+				0x2f, 0x31, 0x2e, 0x31, 0x00, 0x0b, 0x00, 0x02,
+				0x01, 0x00, 0x00, 0x0a, 0x00, 0x0a, 0x00, 0x08,
+				0xaa, 0xaa, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x18,
+				0xaa, 0xaa, 0x00, 0x01, 0x00,
+			},
+			domain: "c.s-microsoft.com",
+			err:    false,
+		},
+		{
+			input: []byte{
+				0x16, 0x03, 0x01, 0x00, 0xee, 0x01, 0x00, 0x00,
+				0xea, 0x03, 0x03, 0xe7, 0x91, 0x9e, 0x93, 0xca,
+				0x78, 0x1b, 0x3c, 0xe0, 0x65, 0x25, 0x58, 0xb5,
+				0x93, 0xe1, 0x0f, 0x85, 0xec, 0x9a, 0x66, 0x8e,
+				0x61, 0x82, 0x88, 0xc8, 0xfc, 0xae, 0x1e, 0xca,
+				0xd7, 0xa5, 0x63, 0x20, 0xbd, 0x1c, 0x00, 0x00,
+				0x8b, 0xee, 0x09, 0xe3, 0x47, 0x6a, 0x0e, 0x74,
+				0xb0, 0xbc, 0xa3, 0x02, 0xa7, 0x35, 0xe8, 0x85,
+				0x70, 0x7c, 0x7a, 0xf0, 0x00, 0xdf, 0x4a, 0xea,
+				0x87, 0x01, 0x14, 0x91, 0x00, 0x20, 0xea, 0xea,
+				0xc0, 0x2b, 0xc0, 0x2f, 0xc0, 0x2c, 0xc0, 0x30,
+				0xcc, 0xa9, 0xcc, 0xa8, 0xcc, 0x14, 0xcc, 0x13,
+				0xc0, 0x13, 0xc0, 0x14, 0x00, 0x9c, 0x00, 0x9d,
+				0x00, 0x2f, 0x00, 0x35, 0x00, 0x0a, 0x01, 0x00,
+				0x00, 0x81, 0x9a, 0x9a, 0x00, 0x00, 0xff, 0x01,
+				0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00,
+				0x16, 0x00, 0x00, 0x13, 0x77, 0x77, 0x77, 0x30,
+				0x37, 0x2e, 0x63, 0x6c, 0x69, 0x63, 0x6b, 0x74,
+				0x61, 0x6c, 0x65, 0x2e, 0x6e, 0x65, 0x74, 0x00,
+				0x17, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00,
+				0x0d, 0x00, 0x14, 0x00, 0x12, 0x04, 0x03, 0x08,
+				0x04, 0x04, 0x01, 0x05, 0x03, 0x08, 0x05, 0x05,
+				0x01, 0x08, 0x06, 0x06, 0x01, 0x02, 0x01, 0x00,
+				0x05, 0x00, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00,
+				0x00, 0x12, 0x00, 0x00, 0x00, 0x10, 0x00, 0x0e,
+				0x00, 0x0c, 0x02, 0x68, 0x32, 0x08, 0x68, 0x74,
+				0x74, 0x70, 0x2f, 0x31, 0x2e, 0x31, 0x75, 0x50,
+				0x00, 0x00, 0x00, 0x0b, 0x00, 0x02, 0x01, 0x00,
+				0x00, 0x0a, 0x00, 0x0a, 0x00, 0x08, 0x9a, 0x9a,
+				0x00, 0x1d, 0x00, 0x17, 0x00, 0x18, 0x8a, 0x8a,
+				0x00, 0x01, 0x00,
+			},
+			domain: "www07.clicktale.net",
+			err:    false,
+		},
+		{
+			input: []byte{
+				0x16, 0x03, 0x01, 0x00, 0xe6, 0x01, 0x00, 0x00, 0xe2, 0x03, 0x03, 0x81, 0x47, 0xc1,
+				0x66, 0xd5, 0x1b, 0xfa, 0x4b, 0xb5, 0xe0, 0x2a, 0xe1, 0xa7, 0x87, 0x13, 0x1d, 0x11, 0xaa, 0xc6,
+				0xce, 0xfc, 0x7f, 0xab, 0x94, 0xc8, 0x62, 0xad, 0xc8, 0xab, 0x0c, 0xdd, 0xcb, 0x20, 0x6f, 0x9d,
+				0x07, 0xf1, 0x95, 0x3e, 0x99, 0xd8, 0xf3, 0x6d, 0x97, 0xee, 0x19, 0x0b, 0x06, 0x1b, 0xf4, 0x84,
+				0x0b, 0xb6, 0x8f, 0xcc, 0xde, 0xe2, 0xd0, 0x2d, 0x6b, 0x0c, 0x1f, 0x52, 0x53, 0x13, 0x00, 0x08,
+				0x13, 0x02, 0x13, 0x03, 0x13, 0x01, 0x00, 0xff, 0x01, 0x00, 0x00, 0x91, 0x00, 0x00, 0x00, 0x0c,
+				0x00, 0x0a, 0x00, 0x00, 0x07, 0x64, 0x6f, 0x67, 0x66, 0x69, 0x73, 0x68, 0x00, 0x0b, 0x00, 0x04,
+				0x03, 0x00, 0x01, 0x02, 0x00, 0x0a, 0x00, 0x0c, 0x00, 0x0a, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x1e,
+				0x00, 0x19, 0x00, 0x18, 0x00, 0x23, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00, 0x17, 0x00, 0x00,
+				0x00, 0x0d, 0x00, 0x1e, 0x00, 0x1c, 0x04, 0x03, 0x05, 0x03, 0x06, 0x03, 0x08, 0x07, 0x08, 0x08,
+				0x08, 0x09, 0x08, 0x0a, 0x08, 0x0b, 0x08, 0x04, 0x08, 0x05, 0x08, 0x06, 0x04, 0x01, 0x05, 0x01,
+				0x06, 0x01, 0x00, 0x2b, 0x00, 0x07, 0x06, 0x7f, 0x1c, 0x7f, 0x1b, 0x7f, 0x1a, 0x00, 0x2d, 0x00,
+				0x02, 0x01, 0x01, 0x00, 0x33, 0x00, 0x26, 0x00, 0x24, 0x00, 0x1d, 0x00, 0x20, 0x2f, 0x35, 0x0c,
+				0xb6, 0x90, 0x0a, 0xb7, 0xd5, 0xc4, 0x1b, 0x2f, 0x60, 0xaa, 0x56, 0x7b, 0x3f, 0x71, 0xc8, 0x01,
+				0x7e, 0x86, 0xd3, 0xb7, 0x0c, 0x29, 0x1a, 0x9e, 0x5b, 0x38, 0x3f, 0x01, 0x72,
+			},
+			domain: "dogfish",
+			err:    false,
+		},
+		{
+			input: []byte{
+				0x16, 0x03, 0x01, 0x01, 0x03, 0x01, 0x00, 0x00,
+				0xff, 0x03, 0x03, 0x3d, 0x89, 0x52, 0x9e, 0xee,
+				0xbe, 0x17, 0x63, 0x75, 0xef, 0x29, 0xbd, 0x14,
+				0x6a, 0x49, 0xe0, 0x2c, 0x37, 0x57, 0x71, 0x62,
+				0x82, 0x44, 0x94, 0x8f, 0x6e, 0x94, 0x08, 0x45,
+				0x7f, 0xdb, 0xc1, 0x00, 0x00, 0x3e, 0xc0, 0x2c,
+				0xc0, 0x30, 0x00, 0x9f, 0xcc, 0xa9, 0xcc, 0xa8,
+				0xcc, 0xaa, 0xc0, 0x2b, 0xc0, 0x2f, 0x00, 0x9e,
+				0xc0, 0x24, 0xc0, 0x28, 0x00, 0x6b, 0xc0, 0x23,
+				0xc0, 0x27, 0x00, 0x67, 0xc0, 0x0a, 0xc0, 0x14,
+				0x00, 0x39, 0xc0, 0x09, 0xc0, 0x13, 0x00, 0x33,
+				0x00, 0x9d, 0x00, 0x9c, 0x13, 0x02, 0x13, 0x03,
+				0x13, 0x01, 0x00, 0x3d, 0x00, 0x3c, 0x00, 0x35,
+				0x00, 0x2f, 0x00, 0xff, 0x01, 0x00, 0x00, 0x98,
+				0x00, 0x00, 0x00, 0x10, 0x00, 0x0e, 0x00, 0x00,
+				0x0b, 0x31, 0x30, 0x2e, 0x34, 0x32, 0x2e, 0x30,
+				0x2e, 0x32, 0x34, 0x33, 0x00, 0x0b, 0x00, 0x04,
+				0x03, 0x00, 0x01, 0x02, 0x00, 0x0a, 0x00, 0x0a,
+				0x00, 0x08, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x19,
+				0x00, 0x18, 0x00, 0x23, 0x00, 0x00, 0x00, 0x0d,
+				0x00, 0x20, 0x00, 0x1e, 0x04, 0x03, 0x05, 0x03,
+				0x06, 0x03, 0x08, 0x04, 0x08, 0x05, 0x08, 0x06,
+				0x04, 0x01, 0x05, 0x01, 0x06, 0x01, 0x02, 0x03,
+				0x02, 0x01, 0x02, 0x02, 0x04, 0x02, 0x05, 0x02,
+				0x06, 0x02, 0x00, 0x16, 0x00, 0x00, 0x00, 0x17,
+				0x00, 0x00, 0x00, 0x2b, 0x00, 0x09, 0x08, 0x7f,
+				0x14, 0x03, 0x03, 0x03, 0x02, 0x03, 0x01, 0x00,
+				0x2d, 0x00, 0x03, 0x02, 0x01, 0x00, 0x00, 0x28,
+				0x00, 0x26, 0x00, 0x24, 0x00, 0x1d, 0x00, 0x20,
+				0x13, 0x7c, 0x6e, 0x97, 0xc4, 0xfd, 0x09, 0x2e,
+				0x70, 0x2f, 0x73, 0x5a, 0x9b, 0x57, 0x4d, 0x5f,
+				0x2b, 0x73, 0x2c, 0xa5, 0x4a, 0x98, 0x40, 0x3d,
+				0x75, 0x6e, 0xb4, 0x76, 0xf9, 0x48, 0x8f, 0x36,
+			},
+			domain: "10.42.0.243",
+			err:    false,
+		},
+	}
+
+	for _, test := range cases {
+		header, err := SniffTLS(test.input)
+		if test.err {
+			if err == nil {
+				t.Errorf("Exepct error but nil in test %v", test)
+			}
+		} else {
+			if err != nil {
+				t.Errorf("Expect no error but actually %s in test %v", err.Error(), test)
+			}
+			if header.Domain() != test.domain {
+				t.Error("expect domain ", test.domain, " but got ", header.Domain())
+			}
+		}
+	}
+}

common/sockopt/reuseaddr_other.go

@@ -1,5 +1,4 @@
 //go:build !linux
-// +build !linux
 
 package sockopt
 

common/structure/structure.go

@@ -28,8 +28,8 @@ func NewDecoder(option Option) *Decoder {
 	return &Decoder{option: &option}
 }
 
-// Decode transform a map[string]interface{} to a struct
-func (d *Decoder) Decode(src map[string]interface{}, dst interface{}) error {
+// Decode transform a map[string]any to a struct
+func (d *Decoder) Decode(src map[string]any, dst any) error {
 	if reflect.TypeOf(dst).Kind() != reflect.Ptr {
 		return fmt.Errorf("Decode must recive a ptr struct")
 	}
@@ -45,12 +45,8 @@ func (d *Decoder) Decode(src map[string]interface{}, dst interface{}) error {
 		}
 
 		tag := field.Tag.Get(d.option.TagName)
-		str := strings.SplitN(tag, ",", 2)
-		key := str[0]
-		omitempty := false
-		if len(str) > 1 {
-			omitempty = str[1] == "omitempty"
-		}
+		key, omitKey, found := strings.Cut(tag, ",")
+		omitempty := found && omitKey == "omitempty"
 
 		value, ok := src[key]
 		if !ok || value == nil {
@@ -68,7 +64,7 @@ func (d *Decoder) Decode(src map[string]interface{}, dst interface{}) error {
 	return nil
 }
 
-func (d *Decoder) decode(name string, data interface{}, val reflect.Value) error {
+func (d *Decoder) decode(name string, data any, val reflect.Value) error {
 	switch val.Kind() {
 	case reflect.Int:
 		return d.decodeInt(name, data, val)
@@ -89,12 +85,14 @@ func (d *Decoder) decode(name string, data interface{}, val reflect.Value) error
 	}
 }
 
-func (d *Decoder) decodeInt(name string, data interface{}, val reflect.Value) (err error) {
+func (d *Decoder) decodeInt(name string, data any, val reflect.Value) (err error) {
 	dataVal := reflect.ValueOf(data)
 	kind := dataVal.Kind()
 	switch {
 	case kind == reflect.Int:
 		val.SetInt(dataVal.Int())
+	case kind == reflect.Float64 && d.option.WeaklyTypedInput:
+		val.SetInt(int64(dataVal.Float()))
 	case kind == reflect.String && d.option.WeaklyTypedInput:
 		var i int64
 		i, err = strconv.ParseInt(dataVal.String(), 0, val.Type().Bits())
@@ -112,7 +110,7 @@ func (d *Decoder) decodeInt(name string, data interface{}, val reflect.Value) (e
 	return err
 }
 
-func (d *Decoder) decodeString(name string, data interface{}, val reflect.Value) (err error) {
+func (d *Decoder) decodeString(name string, data any, val reflect.Value) (err error) {
 	dataVal := reflect.ValueOf(data)
 	kind := dataVal.Kind()
 	switch {
@@ -129,7 +127,7 @@ func (d *Decoder) decodeString(name string, data interface{}, val reflect.Value)
 	return err
 }
 
-func (d *Decoder) decodeBool(name string, data interface{}, val reflect.Value) (err error) {
+func (d *Decoder) decodeBool(name string, data any, val reflect.Value) (err error) {
 	dataVal := reflect.ValueOf(data)
 	kind := dataVal.Kind()
 	switch {
@@ -146,7 +144,7 @@ func (d *Decoder) decodeBool(name string, data interface{}, val reflect.Value) (
 	return err
 }
 
-func (d *Decoder) decodeSlice(name string, data interface{}, val reflect.Value) error {
+func (d *Decoder) decodeSlice(name string, data any, val reflect.Value) error {
 	dataVal := reflect.Indirect(reflect.ValueOf(data))
 	valType := val.Type()
 	valElemType := valType.Elem()
@@ -161,9 +159,19 @@ func (d *Decoder) decodeSlice(name string, data interface{}, val reflect.Value)
 		for valSlice.Len() <= i {
 			valSlice = reflect.Append(valSlice, reflect.Zero(valElemType))
 		}
-		currentField := valSlice.Index(i)
-
 		fieldName := fmt.Sprintf("%s[%d]", name, i)
+		if currentData == nil {
+			// in weakly type mode, null will convert to zero value
+			if d.option.WeaklyTypedInput {
+				continue
+			}
+			// in non-weakly type mode, null will convert to nil if element's zero value is nil, otherwise return an error
+			if elemKind := valElemType.Kind(); elemKind == reflect.Map || elemKind == reflect.Slice {
+				continue
+			}
+			return fmt.Errorf("'%s' can not be null", fieldName)
+		}
+		currentField := valSlice.Index(i)
 		if err := d.decode(fieldName, currentData, currentField); err != nil {
 			return err
 		}
@@ -173,7 +181,7 @@ func (d *Decoder) decodeSlice(name string, data interface{}, val reflect.Value)
 	return nil
 }
 
-func (d *Decoder) decodeMap(name string, data interface{}, val reflect.Value) error {
+func (d *Decoder) decodeMap(name string, data any, val reflect.Value) error {
 	valType := val.Type()
 	valKeyType := valType.Key()
 	valElemType := valType.Elem()
@@ -245,7 +253,7 @@ func (d *Decoder) decodeMapFromMap(name string, dataVal reflect.Value, val refle
 	return nil
 }
 
-func (d *Decoder) decodeStruct(name string, data interface{}, val reflect.Value) error {
+func (d *Decoder) decodeStruct(name string, data any, val reflect.Value) error {
 	dataVal := reflect.Indirect(reflect.ValueOf(data))
 
 	// If the type of the value to write to and the data match directly,
@@ -273,7 +281,7 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 	}
 
 	dataValKeys := make(map[reflect.Value]struct{})
-	dataValKeysUnused := make(map[interface{}]struct{})
+	dataValKeysUnused := make(map[any]struct{})
 	for _, dataValKey := range dataVal.MapKeys() {
 		dataValKeys[dataValKey] = struct{}{}
 		dataValKeysUnused[dataValKey.Interface()] = struct{}{}
@@ -398,7 +406,7 @@ func (d *Decoder) decodeStructFromMap(name string, dataVal, val reflect.Value) e
 	return nil
 }
 
-func (d *Decoder) setInterface(name string, data interface{}, val reflect.Value) (err error) {
+func (d *Decoder) setInterface(name string, data any, val reflect.Value) (err error) {
 	dataVal := reflect.ValueOf(data)
 	val.Set(dataVal)
 	return nil

common/structure/structure_test.go

@@ -27,7 +27,7 @@ type BazOptional struct {
 }
 
 func TestStructure_Basic(t *testing.T) {
-	rawMap := map[string]interface{}{
+	rawMap := map[string]any{
 		"foo":   1,
 		"bar":   "test",
 		"extra": false,
@@ -45,7 +45,7 @@ func TestStructure_Basic(t *testing.T) {
 }
 
 func TestStructure_Slice(t *testing.T) {
-	rawMap := map[string]interface{}{
+	rawMap := map[string]any{
 		"foo": 1,
 		"bar": []string{"one", "two"},
 	}
@@ -62,7 +62,7 @@ func TestStructure_Slice(t *testing.T) {
 }
 
 func TestStructure_Optional(t *testing.T) {
-	rawMap := map[string]interface{}{
+	rawMap := map[string]any{
 		"foo": 1,
 	}
 
@@ -77,7 +77,7 @@ func TestStructure_Optional(t *testing.T) {
 }
 
 func TestStructure_MissingKey(t *testing.T) {
-	rawMap := map[string]interface{}{
+	rawMap := map[string]any{
 		"foo": 1,
 	}
 
@@ -87,14 +87,14 @@ func TestStructure_MissingKey(t *testing.T) {
 }
 
 func TestStructure_ParamError(t *testing.T) {
-	rawMap := map[string]interface{}{}
+	rawMap := map[string]any{}
 	s := Baz{}
 	err := decoder.Decode(rawMap, s)
 	assert.NotNilf(t, err, "should throw error: %#v", s)
 }
 
 func TestStructure_SliceTypeError(t *testing.T) {
-	rawMap := map[string]interface{}{
+	rawMap := map[string]any{
 		"foo": 1,
 		"bar": []int{1, 2},
 	}
@@ -105,7 +105,7 @@ func TestStructure_SliceTypeError(t *testing.T) {
 }
 
 func TestStructure_WeakType(t *testing.T) {
-	rawMap := map[string]interface{}{
+	rawMap := map[string]any{
 		"foo": "1",
 		"bar": []int{1},
 	}
@@ -122,7 +122,7 @@ func TestStructure_WeakType(t *testing.T) {
 }
 
 func TestStructure_Nest(t *testing.T) {
-	rawMap := map[string]interface{}{
+	rawMap := map[string]any{
 		"foo": 1,
 	}
 
@@ -137,3 +137,45 @@ func TestStructure_Nest(t *testing.T) {
 	assert.Nil(t, err)
 	assert.Equal(t, s.BazOptional, goal)
 }
+
+func TestStructure_SliceNilValue(t *testing.T) {
+	rawMap := map[string]any{
+		"foo": 1,
+		"bar": []any{"bar", nil},
+	}
+
+	goal := &BazSlice{
+		Foo: 1,
+		Bar: []string{"bar", ""},
+	}
+
+	s := &BazSlice{}
+	err := weakTypeDecoder.Decode(rawMap, s)
+	assert.Nil(t, err)
+	assert.Equal(t, goal.Bar, s.Bar)
+
+	s = &BazSlice{}
+	err = decoder.Decode(rawMap, s)
+	assert.NotNil(t, err)
+}
+
+func TestStructure_SliceNilValueComplex(t *testing.T) {
+	rawMap := map[string]any{
+		"bar": []any{map[string]any{"bar": "foo"}, nil},
+	}
+
+	s := &struct {
+		Bar []map[string]any `test:"bar"`
+	}{}
+
+	err := decoder.Decode(rawMap, s)
+	assert.Nil(t, err)
+	assert.Nil(t, s.Bar[1])
+
+	ss := &struct {
+		Bar []Baz `test:"bar"`
+	}{}
+
+	err = decoder.Decode(rawMap, ss)
+	assert.NotNil(t, err)
+}

component/auth/auth.go

@@ -36,7 +36,7 @@ func NewAuthenticator(users []AuthUser) Authenticator {
 		au.storage.Store(user.User, user.Pass)
 	}
 	usernames := make([]string, 0, len(users))
-	au.storage.Range(func(key, value interface{}) bool {
+	au.storage.Range(func(key, value any) bool {
 		usernames = append(usernames, key.(string))
 		return true
 	})

component/dhcp/dhcp.go

@@ -4,7 +4,9 @@ import (
 	"context"
 	"errors"
 	"net"
+	"net/netip"
 
+	"github.com/Dreamacro/clash/common/nnip"
 	"github.com/Dreamacro/clash/component/iface"
 
 	"github.com/insomniacslk/dhcp/dhcpv4"
@@ -15,14 +17,16 @@ var (
 	ErrNotFound      = errors.New("DNS option not found")
 )
 
-func ResolveDNSFromDHCP(context context.Context, ifaceName string) ([]net.IP, error) {
+func ResolveDNSFromDHCP(context context.Context, ifaceName string) ([]netip.Addr, error) {
 	conn, err := ListenDHCPClient(context, ifaceName)
 	if err != nil {
 		return nil, err
 	}
-	defer conn.Close()
+	defer func() {
+		_ = conn.Close()
+	}()
 
-	result := make(chan []net.IP, 1)
+	result := make(chan []netip.Addr, 1)
 
 	ifaceObj, err := iface.ResolveInterface(ifaceName)
 	if err != nil {
@@ -52,7 +56,7 @@ func ResolveDNSFromDHCP(context context.Context, ifaceName string) ([]net.IP, er
 	}
 }
 
-func receiveOffer(conn net.PacketConn, id dhcpv4.TransactionID, result chan<- []net.IP) {
+func receiveOffer(conn net.PacketConn, id dhcpv4.TransactionID, result chan<- []netip.Addr) {
 	defer close(result)
 
 	buf := make([]byte, dhcpv4.MaxMessageSize)
@@ -77,11 +81,17 @@ func receiveOffer(conn net.PacketConn, id dhcpv4.TransactionID, result chan<- []
 		}
 
 		dns := pkt.DNS()
-		if len(dns) == 0 {
+		l := len(dns)
+		if l == 0 {
 			return
 		}
 
-		result <- dns
+		dnsAddr := make([]netip.Addr, l)
+		for i := 0; i < l; i++ {
+			dnsAddr[i] = nnip.IpToAddr(dns[i])
+		}
+
+		result <- dnsAddr
 
 		return
 	}

component/dialer/bind_darwin.go

@@ -2,11 +2,12 @@ package dialer
 
 import (
 	"net"
+	"net/netip"
 	"syscall"
 
-	"golang.org/x/sys/unix"
-
 	"github.com/Dreamacro/clash/component/iface"
+
+	"golang.org/x/sys/unix"
 )
 
 type controlFn = func(network, address string, c syscall.RawConn) error
@@ -19,26 +20,30 @@ func bindControl(ifaceIdx int, chain controlFn) controlFn {
 			}
 		}()
 
-		ipStr, _, err := net.SplitHostPort(address)
-		if err == nil {
-			ip := net.ParseIP(ipStr)
-			if ip != nil && !ip.IsGlobalUnicast() {
-				return
-			}
+		addrPort, err := netip.ParseAddrPort(address)
+		if err == nil && !addrPort.Addr().IsGlobalUnicast() {
+			return
 		}
 
-		return c.Control(func(fd uintptr) {
+		var innerErr error
+		err = c.Control(func(fd uintptr) {
 			switch network {
 			case "tcp4", "udp4":
-				unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, ifaceIdx)
+				innerErr = unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, ifaceIdx)
 			case "tcp6", "udp6":
-				unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, ifaceIdx)
+				innerErr = unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, ifaceIdx)
 			}
 		})
+
+		if innerErr != nil {
+			err = innerErr
+		}
+
+		return
 	}
 }
 
-func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ net.IP) error {
+func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ netip.Addr) error {
 	ifaceObj, err := iface.ResolveInterface(ifaceName)
 	if err != nil {
 		return err

component/dialer/bind_linux.go

@@ -2,6 +2,7 @@ package dialer
 
 import (
 	"net"
+	"net/netip"
 	"syscall"
 
 	"golang.org/x/sys/unix"
@@ -17,21 +18,25 @@ func bindControl(ifaceName string, chain controlFn) controlFn {
 			}
 		}()
 
-		ipStr, _, err := net.SplitHostPort(address)
-		if err == nil {
-			ip := net.ParseIP(ipStr)
-			if ip != nil && !ip.IsGlobalUnicast() {
-				return
-			}
+		addrPort, err := netip.ParseAddrPort(address)
+		if err == nil && !addrPort.Addr().IsGlobalUnicast() {
+			return
 		}
 
-		return c.Control(func(fd uintptr) {
-			unix.BindToDevice(int(fd), ifaceName)
+		var innerErr error
+		err = c.Control(func(fd uintptr) {
+			innerErr = unix.BindToDevice(int(fd), ifaceName)
 		})
+
+		if innerErr != nil {
+			err = innerErr
+		}
+
+		return
 	}
 }
 
-func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ net.IP) error {
+func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ netip.Addr) error {
 	dialer.Control = bindControl(ifaceName, dialer.Control)
 
 	return nil

component/dialer/bind_others.go

@@ -1,31 +1,31 @@
 //go:build !linux && !darwin
-// +build !linux,!darwin
 
 package dialer
 
 import (
 	"net"
+	"net/netip"
 	"strconv"
 	"strings"
 
 	"github.com/Dreamacro/clash/component/iface"
 )
 
-func lookupLocalAddr(ifaceName string, network string, destination net.IP, port int) (net.Addr, error) {
+func lookupLocalAddr(ifaceName string, network string, destination netip.Addr, port int) (net.Addr, error) {
 	ifaceObj, err := iface.ResolveInterface(ifaceName)
 	if err != nil {
 		return nil, err
 	}
 
-	var addr *net.IPNet
+	var addr *netip.Prefix
 	switch network {
 	case "udp4", "tcp4":
 		addr, err = ifaceObj.PickIPv4Addr(destination)
 	case "tcp6", "udp6":
 		addr, err = ifaceObj.PickIPv6Addr(destination)
 	default:
-		if destination != nil {
-			if destination.To4() != nil {
+		if destination.IsValid() {
+			if destination.Is4() {
 				addr, err = ifaceObj.PickIPv4Addr(destination)
 			} else {
 				addr, err = ifaceObj.PickIPv6Addr(destination)
@@ -40,12 +40,12 @@ func lookupLocalAddr(ifaceName string, network string, destination net.IP, port
 
 	if strings.HasPrefix(network, "tcp") {
 		return &net.TCPAddr{
-			IP:   addr.IP,
+			IP:   addr.Addr().AsSlice(),
 			Port: port,
 		}, nil
 	} else if strings.HasPrefix(network, "udp") {
 		return &net.UDPAddr{
-			IP:   addr.IP,
+			IP:   addr.Addr().AsSlice(),
 			Port: port,
 		}, nil
 	}
@@ -53,16 +53,16 @@ func lookupLocalAddr(ifaceName string, network string, destination net.IP, port
 	return nil, iface.ErrAddrNotFound
 }
 
-func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, network string, destination net.IP) error {
+func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, network string, destination netip.Addr) error {
 	if !destination.IsGlobalUnicast() {
 		return nil
 	}
 
-	local := int64(0)
+	local := uint64(0)
 	if dialer.LocalAddr != nil {
 		_, port, err := net.SplitHostPort(dialer.LocalAddr.String())
 		if err == nil {
-			local, _ = strconv.ParseInt(port, 10, 16)
+			local, _ = strconv.ParseUint(port, 10, 16)
 		}
 	}
 
@@ -82,9 +82,9 @@ func bindIfaceToListenConfig(ifaceName string, _ *net.ListenConfig, network, add
 		port = "0"
 	}
 
-	local, _ := strconv.ParseInt(port, 10, 16)
+	local, _ := strconv.ParseUint(port, 10, 16)
 
-	addr, err := lookupLocalAddr(ifaceName, network, nil, int(local))
+	addr, err := lookupLocalAddr(ifaceName, network, netip.Addr{}, int(local))
 	if err != nil {
 		return "", err
 	}

component/dialer/dialer.go

@@ -4,11 +4,25 @@ import (
 	"context"
 	"errors"
 	"net"
+	"net/netip"
 
 	"github.com/Dreamacro/clash/component/resolver"
 )
 
 func DialContext(ctx context.Context, network, address string, options ...Option) (net.Conn, error) {
+	opt := &option{
+		interfaceName: DefaultInterface.Load(),
+		routingMark:   int(DefaultRoutingMark.Load()),
+	}
+
+	for _, o := range DefaultOptions {
+		o(opt)
+	}
+
+	for _, o := range options {
+		o(opt)
+	}
+
 	switch network {
 	case "tcp4", "tcp6", "udp4", "udp6":
 		host, port, err := net.SplitHostPort(address)
@@ -16,20 +30,28 @@ func DialContext(ctx context.Context, network, address string, options ...Option
 			return nil, err
 		}
 
-		var ip net.IP
+		var ip netip.Addr
 		switch network {
 		case "tcp4", "udp4":
-			ip, err = resolver.ResolveIPv4(host)
+			if !opt.direct {
+				ip, err = resolver.ResolveIPv4ProxyServerHost(host)
+			} else {
+				ip, err = resolver.ResolveIPv4(host)
+			}
 		default:
-			ip, err = resolver.ResolveIPv6(host)
+			if !opt.direct {
+				ip, err = resolver.ResolveIPv6ProxyServerHost(host)
+			} else {
+				ip, err = resolver.ResolveIPv6(host)
+			}
 		}
 		if err != nil {
 			return nil, err
 		}
 
-		return dialContext(ctx, network, ip, port, options)
+		return dialContext(ctx, network, ip, port, opt)
 	case "tcp", "udp":
-		return dualStackDialContext(ctx, network, address, options)
+		return dualStackDialContext(ctx, network, address, opt)
 	default:
 		return nil, errors.New("network invalid")
 	}
@@ -38,6 +60,7 @@ func DialContext(ctx context.Context, network, address string, options ...Option
 func ListenPacket(ctx context.Context, network, address string, options ...Option) (net.PacketConn, error) {
 	cfg := &option{
 		interfaceName: DefaultInterface.Load(),
+		routingMark:   int(DefaultRoutingMark.Load()),
 	}
 
 	for _, o := range DefaultOptions {
@@ -66,19 +89,7 @@ func ListenPacket(ctx context.Context, network, address string, options ...Optio
 	return lc.ListenPacket(ctx, network, address)
 }
 
-func dialContext(ctx context.Context, network string, destination net.IP, port string, options []Option) (net.Conn, error) {
-	opt := &option{
-		interfaceName: DefaultInterface.Load(),
-	}
-
-	for _, o := range DefaultOptions {
-		o(opt)
-	}
-
-	for _, o := range options {
-		o(opt)
-	}
-
+func dialContext(ctx context.Context, network string, destination netip.Addr, port string, opt *option) (net.Conn, error) {
 	dialer := &net.Dialer{}
 	if opt.interfaceName != "" {
 		if err := bindIfaceToDialer(opt.interfaceName, dialer, network, destination); err != nil {
@@ -92,7 +103,7 @@ func dialContext(ctx context.Context, network string, destination net.IP, port s
 	return dialer.DialContext(ctx, network, net.JoinHostPort(destination.String(), port))
 }
 
-func dualStackDialContext(ctx context.Context, network, address string, options []Option) (net.Conn, error) {
+func dualStackDialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
 	host, port, err := net.SplitHostPort(address)
 	if err != nil {
 		return nil, err
@@ -111,34 +122,42 @@ func dualStackDialContext(ctx context.Context, network, address string, options
 	results := make(chan dialResult)
 	var primary, fallback dialResult
 
-	startRacer := func(ctx context.Context, network, host string, ipv6 bool) {
+	startRacer := func(ctx context.Context, network, host string, direct bool, ipv6 bool) {
 		result := dialResult{ipv6: ipv6, done: true}
 		defer func() {
 			select {
 			case results <- result:
 			case <-returned:
 				if result.Conn != nil {
-					result.Conn.Close()
+					_ = result.Conn.Close()
 				}
 			}
 		}()
 
-		var ip net.IP
+		var ip netip.Addr
 		if ipv6 {
-			ip, result.error = resolver.ResolveIPv6(host)
+			if !direct {
+				ip, result.error = resolver.ResolveIPv6ProxyServerHost(host)
+			} else {
+				ip, result.error = resolver.ResolveIPv6(host)
+			}
 		} else {
-			ip, result.error = resolver.ResolveIPv4(host)
+			if !direct {
+				ip, result.error = resolver.ResolveIPv4ProxyServerHost(host)
+			} else {
+				ip, result.error = resolver.ResolveIPv4(host)
+			}
 		}
 		if result.error != nil {
 			return
 		}
 		result.resolved = true
 
-		result.Conn, result.error = dialContext(ctx, network, ip, port, options)
+		result.Conn, result.error = dialContext(ctx, network, ip, port, opt)
 	}
 
-	go startRacer(ctx, network+"4", host, false)
-	go startRacer(ctx, network+"6", host, true)
+	go startRacer(ctx, network+"4", host, opt.direct, false)
+	go startRacer(ctx, network+"6", host, opt.direct, true)
 
 	for res := range results {
 		if res.error == nil {

component/dialer/mark_linux.go

@@ -1,18 +1,18 @@
 //go:build linux
-// +build linux
 
 package dialer
 
 import (
 	"net"
+	"net/netip"
 	"syscall"
 )
 
-func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ net.IP) {
+func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ netip.Addr) {
 	dialer.Control = bindMarkToControl(mark, dialer.Control)
 }
 
-func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, address string) {
+func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, _ string) {
 	lc.Control = bindMarkToControl(mark, lc.Control)
 }
 
@@ -24,21 +24,18 @@ func bindMarkToControl(mark int, chain controlFn) controlFn {
 			}
 		}()
 
-		ipStr, _, err := net.SplitHostPort(address)
-		if err == nil {
-			ip := net.ParseIP(ipStr)
-			if ip != nil && !ip.IsGlobalUnicast() {
-				return
-			}
+		addrPort, err := netip.ParseAddrPort(address)
+		if err == nil && !addrPort.Addr().IsGlobalUnicast() {
+			return
 		}
 
-		return c.Control(func(fd uintptr) {
-			switch network {
-			case "tcp4", "udp4":
-				syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
-			case "tcp6", "udp6":
-				syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
-			}
+		var innerErr error
+		err = c.Control(func(fd uintptr) {
+			innerErr = syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
 		})
+		if err == nil && innerErr != nil {
+			err = innerErr
+		}
+		return
 	}
 }

component/dialer/mark_nonlinux.go

@@ -1,10 +1,10 @@
 //go:build !linux
-// +build !linux
 
 package dialer
 
 import (
 	"net"
+	"net/netip"
 	"sync"
 
 	"github.com/Dreamacro/clash/log"
@@ -18,10 +18,10 @@ func printMarkWarn() {
 	})
 }
 
-func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ net.IP) {
+func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ netip.Addr) {
 	printMarkWarn()
 }
 
-func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, address string) {
+func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, _ string) {
 	printMarkWarn()
 }

component/dialer/options.go

@@ -3,14 +3,16 @@ package dialer
 import "go.uber.org/atomic"
 
 var (
-	DefaultOptions   []Option
-	DefaultInterface = atomic.NewString("")
+	DefaultOptions     []Option
+	DefaultInterface   = atomic.NewString("")
+	DefaultRoutingMark = atomic.NewInt32(0)
 )
 
 type option struct {
 	interfaceName string
 	addrReuse     bool
 	routingMark   int
+	direct        bool
 }
 
 type Option func(opt *option)
@@ -32,3 +34,9 @@ func WithRoutingMark(mark int) Option {
 		opt.routingMark = mark
 	}
 }
+
+func WithDirect() Option {
+	return func(opt *option) {
+		opt.direct = true
+	}
+}

component/dialer/resolver.go

@@ -0,0 +1,29 @@
+package dialer
+
+import (
+	"context"
+	"net"
+	"net/netip"
+)
+
+func init() {
+	// We must use this DialContext to query DNS
+	// when using net default resolver.
+	net.DefaultResolver.PreferGo = true
+	net.DefaultResolver.Dial = resolverDialContext
+}
+
+func resolverDialContext(ctx context.Context, network, address string) (net.Conn, error) {
+	d := &net.Dialer{}
+
+	interfaceName := DefaultInterface.Load()
+
+	if interfaceName != "" {
+		dstIP, err := netip.ParseAddr(address)
+		if err == nil {
+			_ = bindIfaceToDialer(interfaceName, d, network, dstIP)
+		}
+	}
+
+	return d.DialContext(ctx, network, address)
+}

component/dialer/reuse_others.go

@@ -1,5 +1,4 @@
 //go:build !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows
-// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows
 
 package dialer
 

component/dialer/reuse_unix.go

@@ -1,5 +1,4 @@
 //go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
 
 package dialer
 

component/fakeip/cachefile.go

@@ -1,7 +1,7 @@
 package fakeip
 
 import (
-	"net"
+	"net/netip"
 
 	"github.com/Dreamacro/clash/component/profile/cachefile"
 )
@@ -11,22 +11,27 @@ type cachefileStore struct {
 }
 
 // GetByHost implements store.GetByHost
-func (c *cachefileStore) GetByHost(host string) (net.IP, bool) {
+func (c *cachefileStore) GetByHost(host string) (netip.Addr, bool) {
 	elm := c.cache.GetFakeip([]byte(host))
 	if elm == nil {
-		return nil, false
+		return netip.Addr{}, false
+	}
+
+	if len(elm) == 4 {
+		return netip.AddrFrom4(*(*[4]byte)(elm)), true
+	} else {
+		return netip.AddrFrom16(*(*[16]byte)(elm)), true
 	}
-	return net.IP(elm), true
 }
 
 // PutByHost implements store.PutByHost
-func (c *cachefileStore) PutByHost(host string, ip net.IP) {
-	c.cache.PutFakeip([]byte(host), ip)
+func (c *cachefileStore) PutByHost(host string, ip netip.Addr) {
+	c.cache.PutFakeip([]byte(host), ip.AsSlice())
 }
 
 // GetByIP implements store.GetByIP
-func (c *cachefileStore) GetByIP(ip net.IP) (string, bool) {
-	elm := c.cache.GetFakeip(ip.To4())
+func (c *cachefileStore) GetByIP(ip netip.Addr) (string, bool) {
+	elm := c.cache.GetFakeip(ip.AsSlice())
 	if elm == nil {
 		return "", false
 	}
@@ -34,12 +39,18 @@ func (c *cachefileStore) GetByIP(ip net.IP) (string, bool) {
 }
 
 // PutByIP implements store.PutByIP
-func (c *cachefileStore) PutByIP(ip net.IP, host string) {
-	c.cache.PutFakeip(ip.To4(), []byte(host))
+func (c *cachefileStore) PutByIP(ip netip.Addr, host string) {
+	c.cache.PutFakeip(ip.AsSlice(), []byte(host))
+}
+
+// DelByIP implements store.DelByIP
+func (c *cachefileStore) DelByIP(ip netip.Addr) {
+	addr := ip.AsSlice()
+	c.cache.DelFakeipPair(addr, c.cache.GetFakeip(addr))
 }
 
 // Exist implements store.Exist
-func (c *cachefileStore) Exist(ip net.IP) bool {
+func (c *cachefileStore) Exist(ip netip.Addr) bool {
 	_, exist := c.GetByIP(ip)
 	return exist
 }
@@ -47,3 +58,8 @@ func (c *cachefileStore) Exist(ip net.IP) bool {
 // CloneTo implements store.CloneTo
 // already persistence
 func (c *cachefileStore) CloneTo(store store) {}
+
+// FlushFakeIP implements store.FlushFakeIP
+func (c *cachefileStore) FlushFakeIP() error {
+	return c.cache.FlushFakeIP()
+}

component/fakeip/memory.go

@@ -1,40 +1,37 @@
 package fakeip
 
 import (
-	"net"
+	"net/netip"
 
 	"github.com/Dreamacro/clash/common/cache"
 )
 
 type memoryStore struct {
-	cache *cache.LruCache
+	cacheIP   *cache.LruCache[string, netip.Addr]
+	cacheHost *cache.LruCache[netip.Addr, string]
 }
 
 // GetByHost implements store.GetByHost
-func (m *memoryStore) GetByHost(host string) (net.IP, bool) {
-	if elm, exist := m.cache.Get(host); exist {
-		ip := elm.(net.IP)
-
+func (m *memoryStore) GetByHost(host string) (netip.Addr, bool) {
+	if ip, exist := m.cacheIP.Get(host); exist {
 		// ensure ip --> host on head of linked list
-		m.cache.Get(ipToUint(ip.To4()))
+		m.cacheHost.Get(ip)
 		return ip, true
 	}
 
-	return nil, false
+	return netip.Addr{}, false
 }
 
 // PutByHost implements store.PutByHost
-func (m *memoryStore) PutByHost(host string, ip net.IP) {
-	m.cache.Set(host, ip)
+func (m *memoryStore) PutByHost(host string, ip netip.Addr) {
+	m.cacheIP.Set(host, ip)
 }
 
 // GetByIP implements store.GetByIP
-func (m *memoryStore) GetByIP(ip net.IP) (string, bool) {
-	if elm, exist := m.cache.Get(ipToUint(ip.To4())); exist {
-		host := elm.(string)
-
+func (m *memoryStore) GetByIP(ip netip.Addr) (string, bool) {
+	if host, exist := m.cacheHost.Get(ip); exist {
 		// ensure host --> ip on head of linked list
-		m.cache.Get(host)
+		m.cacheIP.Get(host)
 		return host, true
 	}
 
@@ -42,19 +39,41 @@ func (m *memoryStore) GetByIP(ip net.IP) (string, bool) {
 }
 
 // PutByIP implements store.PutByIP
-func (m *memoryStore) PutByIP(ip net.IP, host string) {
-	m.cache.Set(ipToUint(ip.To4()), host)
+func (m *memoryStore) PutByIP(ip netip.Addr, host string) {
+	m.cacheHost.Set(ip, host)
+}
+
+// DelByIP implements store.DelByIP
+func (m *memoryStore) DelByIP(ip netip.Addr) {
+	if host, exist := m.cacheHost.Get(ip); exist {
+		m.cacheIP.Delete(host)
+	}
+	m.cacheHost.Delete(ip)
 }
 
 // Exist implements store.Exist
-func (m *memoryStore) Exist(ip net.IP) bool {
-	return m.cache.Exist(ipToUint(ip.To4()))
+func (m *memoryStore) Exist(ip netip.Addr) bool {
+	return m.cacheHost.Exist(ip)
 }
 
 // CloneTo implements store.CloneTo
 // only for memoryStore to memoryStore
 func (m *memoryStore) CloneTo(store store) {
 	if ms, ok := store.(*memoryStore); ok {
-		m.cache.CloneTo(ms.cache)
+		m.cacheIP.CloneTo(ms.cacheIP)
+		m.cacheHost.CloneTo(ms.cacheHost)
+	}
+}
+
+// FlushFakeIP implements store.FlushFakeIP
+func (m *memoryStore) FlushFakeIP() error {
+	_ = m.cacheIP.Clear()
+	return m.cacheHost.Clear()
+}
+
+func newMemoryStore(size int) *memoryStore {
+	return &memoryStore{
+		cacheIP:   cache.NewLRUCache[string, netip.Addr](cache.WithSize[string, netip.Addr](size)),
+		cacheHost: cache.NewLRUCache[netip.Addr, string](cache.WithSize[netip.Addr, string](size)),
 	}
 }

component/fakeip/pool.go

@@ -2,37 +2,45 @@ package fakeip
 
 import (
 	"errors"
-	"net"
+	"net/netip"
 	"sync"
 
-	"github.com/Dreamacro/clash/common/cache"
+	"github.com/Dreamacro/clash/common/nnip"
 	"github.com/Dreamacro/clash/component/profile/cachefile"
 	"github.com/Dreamacro/clash/component/trie"
 )
 
+const (
+	offsetKey = "key-offset-fake-ip"
+	cycleKey  = "key-cycle-fake-ip"
+)
+
 type store interface {
-	GetByHost(host string) (net.IP, bool)
-	PutByHost(host string, ip net.IP)
-	GetByIP(ip net.IP) (string, bool)
-	PutByIP(ip net.IP, host string)
-	Exist(ip net.IP) bool
+	GetByHost(host string) (netip.Addr, bool)
+	PutByHost(host string, ip netip.Addr)
+	GetByIP(ip netip.Addr) (string, bool)
+	PutByIP(ip netip.Addr, host string)
+	DelByIP(ip netip.Addr)
+	Exist(ip netip.Addr) bool
 	CloneTo(store)
+	FlushFakeIP() error
 }
 
 // Pool is a implementation about fake ip generator without storage
 type Pool struct {
-	max     uint32
-	min     uint32
-	gateway uint32
-	offset  uint32
+	gateway netip.Addr
+	first   netip.Addr
+	last    netip.Addr
+	offset  netip.Addr
+	cycle   bool
 	mux     sync.Mutex
-	host    *trie.DomainTrie
-	ipnet   *net.IPNet
+	host    *trie.DomainTrie[bool]
+	ipnet   *netip.Prefix
 	store   store
 }
 
 // Lookup return a fake ip with host
-func (p *Pool) Lookup(host string) net.IP {
+func (p *Pool) Lookup(host string) netip.Addr {
 	p.mux.Lock()
 	defer p.mux.Unlock()
 	if ip, exist := p.store.GetByHost(host); exist {
@@ -45,14 +53,10 @@ func (p *Pool) Lookup(host string) net.IP {
 }
 
 // LookBack return host with the fake ip
-func (p *Pool) LookBack(ip net.IP) (string, bool) {
+func (p *Pool) LookBack(ip netip.Addr) (string, bool) {
 	p.mux.Lock()
 	defer p.mux.Unlock()
 
-	if ip = ip.To4(); ip == nil {
-		return "", false
-	}
-
 	return p.store.GetByIP(ip)
 }
 
@@ -65,24 +69,25 @@ func (p *Pool) ShouldSkipped(domain string) bool {
 }
 
 // Exist returns if given ip exists in fake-ip pool
-func (p *Pool) Exist(ip net.IP) bool {
+func (p *Pool) Exist(ip netip.Addr) bool {
 	p.mux.Lock()
 	defer p.mux.Unlock()
 
-	if ip = ip.To4(); ip == nil {
-		return false
-	}
-
 	return p.store.Exist(ip)
 }
 
 // Gateway return gateway ip
-func (p *Pool) Gateway() net.IP {
-	return uintToIP(p.gateway)
+func (p *Pool) Gateway() netip.Addr {
+	return p.gateway
+}
+
+// Broadcast return the last ip
+func (p *Pool) Broadcast() netip.Addr {
+	return p.last
 }
 
 // IPNet return raw ipnet
-func (p *Pool) IPNet() *net.IPNet {
+func (p *Pool) IPNet() *netip.Prefix {
 	return p.ipnet
 }
 
@@ -91,40 +96,61 @@ func (p *Pool) CloneFrom(o *Pool) {
 	o.store.CloneTo(p.store)
 }
 
-func (p *Pool) get(host string) net.IP {
-	current := p.offset
-	for {
-		p.offset = (p.offset + 1) % (p.max - p.min)
-		// Avoid infinite loops
-		if p.offset == current {
-			break
-		}
+func (p *Pool) get(host string) netip.Addr {
+	p.offset = p.offset.Next()
 
-		ip := uintToIP(p.min + p.offset - 1)
-		if !p.store.Exist(ip) {
-			break
+	if !p.offset.Less(p.last) {
+		p.cycle = true
+		p.offset = p.first
+	}
+
+	if p.cycle || p.store.Exist(p.offset) {
+		p.store.DelByIP(p.offset)
+	}
+
+	p.store.PutByIP(p.offset, host)
+	return p.offset
+}
+
+func (p *Pool) FlushFakeIP() error {
+	err := p.store.FlushFakeIP()
+	if err == nil {
+		p.cycle = false
+		p.offset = p.first.Prev()
+	}
+	return err
+}
+
+func (p *Pool) StoreState() {
+	if s, ok := p.store.(*cachefileStore); ok {
+		s.PutByHost(offsetKey, p.offset)
+		if p.cycle {
+			s.PutByHost(cycleKey, p.offset)
 		}
 	}
-	ip := uintToIP(p.min + p.offset - 1)
-	p.store.PutByIP(ip, host)
-	return ip
 }
 
-func ipToUint(ip net.IP) uint32 {
-	v := uint32(ip[0]) << 24
-	v += uint32(ip[1]) << 16
-	v += uint32(ip[2]) << 8
-	v += uint32(ip[3])
-	return v
-}
+func (p *Pool) restoreState() {
+	if s, ok := p.store.(*cachefileStore); ok {
+		if _, exist := s.GetByHost(cycleKey); exist {
+			p.cycle = true
+		}
 
-func uintToIP(v uint32) net.IP {
-	return net.IP{byte(v >> 24), byte(v >> 16), byte(v >> 8), byte(v)}
+		if offset, exist := s.GetByHost(offsetKey); exist {
+			if p.ipnet.Contains(offset) {
+				p.offset = offset
+			} else {
+				_ = p.FlushFakeIP()
+			}
+		} else if s.Exist(p.first) {
+			_ = p.FlushFakeIP()
+		}
+	}
 }
 
 type Options struct {
-	IPNet *net.IPNet
-	Host  *trie.DomainTrie
+	IPNet *netip.Prefix
+	Host  *trie.DomainTrie[bool]
 
 	// Size sets the maximum number of entries in memory
 	// and does not work if Persistence is true
@@ -137,20 +163,23 @@ type Options struct {
 
 // New return Pool instance
 func New(options Options) (*Pool, error) {
-	min := ipToUint(options.IPNet.IP) + 2
+	var (
+		hostAddr = options.IPNet.Masked().Addr()
+		gateway  = hostAddr.Next()
+		first    = gateway.Next().Next()
+		last     = nnip.UnMasked(*options.IPNet)
+	)
 
-	ones, bits := options.IPNet.Mask.Size()
-	total := 1<<uint(bits-ones) - 2
-
-	if total <= 0 {
+	if !options.IPNet.IsValid() || !first.IsValid() || !first.Less(last) {
 		return nil, errors.New("ipnet don't have valid ip")
 	}
 
-	max := min + uint32(total) - 1
 	pool := &Pool{
-		min:     min,
-		max:     max,
-		gateway: min - 1,
+		gateway: gateway,
+		first:   first,
+		last:    last,
+		offset:  first.Prev(),
+		cycle:   false,
 		host:    options.Host,
 		ipnet:   options.IPNet,
 	}
@@ -159,10 +188,10 @@ func New(options Options) (*Pool, error) {
 			cache: cachefile.Cache(),
 		}
 	} else {
-		pool.store = &memoryStore{
-			cache: cache.NewLRUCache(cache.WithSize(options.Size * 2)),
-		}
+		pool.store = newMemoryStore(options.Size)
 	}
 
+	pool.restoreState()
+
 	return pool, nil
 }

component/fakeip/pool_test.go

@@ -1,7 +1,8 @@
 package fakeip
 
 import (
-	"net"
+	"fmt"
+	"net/netip"
 	"os"
 	"testing"
 	"time"
@@ -48,9 +49,9 @@ func createCachefileStore(options Options) (*Pool, string, error) {
 }
 
 func TestPool_Basic(t *testing.T) {
-	_, ipnet, _ := net.ParseCIDR("192.168.0.1/29")
+	ipnet := netip.MustParsePrefix("192.168.0.0/28")
 	pools, tempfile, err := createPools(Options{
-		IPNet: ipnet,
+		IPNet: &ipnet,
 		Size:  10,
 	})
 	assert.Nil(t, err)
@@ -61,23 +62,24 @@ func TestPool_Basic(t *testing.T) {
 		last := pool.Lookup("bar.com")
 		bar, exist := pool.LookBack(last)
 
-		assert.True(t, first.Equal(net.IP{192, 168, 0, 2}))
-		assert.Equal(t, pool.Lookup("foo.com"), net.IP{192, 168, 0, 2})
-		assert.True(t, last.Equal(net.IP{192, 168, 0, 3}))
+		assert.True(t, first == netip.AddrFrom4([4]byte{192, 168, 0, 3}))
+		assert.True(t, pool.Lookup("foo.com") == netip.AddrFrom4([4]byte{192, 168, 0, 3}))
+		assert.True(t, last == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
 		assert.True(t, exist)
 		assert.Equal(t, bar, "bar.com")
-		assert.Equal(t, pool.Gateway(), net.IP{192, 168, 0, 1})
+		assert.True(t, pool.Gateway() == netip.AddrFrom4([4]byte{192, 168, 0, 1}))
+		assert.True(t, pool.Broadcast() == netip.AddrFrom4([4]byte{192, 168, 0, 15}))
 		assert.Equal(t, pool.IPNet().String(), ipnet.String())
-		assert.True(t, pool.Exist(net.IP{192, 168, 0, 3}))
-		assert.False(t, pool.Exist(net.IP{192, 168, 0, 4}))
-		assert.False(t, pool.Exist(net.ParseIP("::1")))
+		assert.True(t, pool.Exist(netip.AddrFrom4([4]byte{192, 168, 0, 4})))
+		assert.False(t, pool.Exist(netip.AddrFrom4([4]byte{192, 168, 0, 5})))
+		assert.False(t, pool.Exist(netip.MustParseAddr("::1")))
 	}
 }
 
-func TestPool_CycleUsed(t *testing.T) {
-	_, ipnet, _ := net.ParseCIDR("192.168.0.1/30")
+func TestPool_BasicV6(t *testing.T) {
+	ipnet := netip.MustParsePrefix("2001:4860:4860::8888/118")
 	pools, tempfile, err := createPools(Options{
-		IPNet: ipnet,
+		IPNet: &ipnet,
 		Size:  10,
 	})
 	assert.Nil(t, err)
@@ -85,17 +87,51 @@ func TestPool_CycleUsed(t *testing.T) {
 
 	for _, pool := range pools {
 		first := pool.Lookup("foo.com")
-		same := pool.Lookup("baz.com")
-		assert.True(t, first.Equal(same))
+		last := pool.Lookup("bar.com")
+		bar, exist := pool.LookBack(last)
+
+		assert.True(t, first == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8803"))
+		assert.True(t, pool.Lookup("foo.com") == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8803"))
+		assert.True(t, last == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8804"))
+		assert.True(t, exist)
+		assert.Equal(t, bar, "bar.com")
+		assert.True(t, pool.Gateway() == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8801"))
+		assert.True(t, pool.Broadcast() == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8bff"))
+		assert.Equal(t, pool.IPNet().String(), ipnet.String())
+		assert.True(t, pool.Exist(netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8804")))
+		assert.False(t, pool.Exist(netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8805")))
+		assert.False(t, pool.Exist(netip.MustParseAddr("127.0.0.1")))
+	}
+}
+
+func TestPool_CycleUsed(t *testing.T) {
+	ipnet := netip.MustParsePrefix("192.168.0.16/28")
+	pools, tempfile, err := createPools(Options{
+		IPNet: &ipnet,
+		Size:  10,
+	})
+	assert.Nil(t, err)
+	defer os.Remove(tempfile)
+
+	for _, pool := range pools {
+		foo := pool.Lookup("foo.com")
+		bar := pool.Lookup("bar.com")
+		for i := 0; i < 10; i++ {
+			pool.Lookup(fmt.Sprintf("%d.com", i))
+		}
+		baz := pool.Lookup("baz.com")
+		next := pool.Lookup("foo.com")
+		assert.True(t, foo == baz)
+		assert.True(t, next == bar)
 	}
 }
 
 func TestPool_Skip(t *testing.T) {
-	_, ipnet, _ := net.ParseCIDR("192.168.0.1/30")
-	tree := trie.New()
-	tree.Insert("example.com", tree)
+	ipnet := netip.MustParsePrefix("192.168.0.1/29")
+	tree := trie.New[bool]()
+	tree.Insert("example.com", true)
 	pools, tempfile, err := createPools(Options{
-		IPNet: ipnet,
+		IPNet: &ipnet,
 		Size:  10,
 		Host:  tree,
 	})
@@ -109,9 +145,9 @@ func TestPool_Skip(t *testing.T) {
 }
 
 func TestPool_MaxCacheSize(t *testing.T) {
-	_, ipnet, _ := net.ParseCIDR("192.168.0.1/24")
+	ipnet := netip.MustParsePrefix("192.168.0.1/24")
 	pool, _ := New(Options{
-		IPNet: ipnet,
+		IPNet: &ipnet,
 		Size:  2,
 	})
 
@@ -120,13 +156,13 @@ func TestPool_MaxCacheSize(t *testing.T) {
 	pool.Lookup("baz.com")
 	next := pool.Lookup("foo.com")
 
-	assert.False(t, first.Equal(next))
+	assert.False(t, first == next)
 }
 
 func TestPool_DoubleMapping(t *testing.T) {
-	_, ipnet, _ := net.ParseCIDR("192.168.0.1/24")
+	ipnet := netip.MustParsePrefix("192.168.0.1/24")
 	pool, _ := New(Options{
-		IPNet: ipnet,
+		IPNet: &ipnet,
 		Size:  2,
 	})
 
@@ -150,23 +186,23 @@ func TestPool_DoubleMapping(t *testing.T) {
 	assert.False(t, bazExist)
 	assert.True(t, barExist)
 
-	assert.False(t, bazIP.Equal(newBazIP))
+	assert.False(t, bazIP == newBazIP)
 }
 
 func TestPool_Clone(t *testing.T) {
-	_, ipnet, _ := net.ParseCIDR("192.168.0.1/24")
+	ipnet := netip.MustParsePrefix("192.168.0.1/24")
 	pool, _ := New(Options{
-		IPNet: ipnet,
+		IPNet: &ipnet,
 		Size:  2,
 	})
 
 	first := pool.Lookup("foo.com")
 	last := pool.Lookup("bar.com")
-	assert.True(t, first.Equal(net.IP{192, 168, 0, 2}))
-	assert.True(t, last.Equal(net.IP{192, 168, 0, 3}))
+	assert.True(t, first == netip.AddrFrom4([4]byte{192, 168, 0, 3}))
+	assert.True(t, last == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
 
 	newPool, _ := New(Options{
-		IPNet: ipnet,
+		IPNet: &ipnet,
 		Size:  2,
 	})
 	newPool.CloneFrom(pool)
@@ -177,11 +213,71 @@ func TestPool_Clone(t *testing.T) {
 }
 
 func TestPool_Error(t *testing.T) {
-	_, ipnet, _ := net.ParseCIDR("192.168.0.1/31")
+	ipnet := netip.MustParsePrefix("192.168.0.1/31")
 	_, err := New(Options{
-		IPNet: ipnet,
+		IPNet: &ipnet,
 		Size:  10,
 	})
 
 	assert.Error(t, err)
 }
+
+func TestPool_FlushFileCache(t *testing.T) {
+	ipnet := netip.MustParsePrefix("192.168.0.1/28")
+	pools, tempfile, err := createPools(Options{
+		IPNet: &ipnet,
+		Size:  10,
+	})
+	assert.Nil(t, err)
+	defer os.Remove(tempfile)
+
+	for _, pool := range pools {
+		foo := pool.Lookup("foo.com")
+		bar := pool.Lookup("baz.com")
+		bax := pool.Lookup("baz.com")
+		fox := pool.Lookup("foo.com")
+
+		err = pool.FlushFakeIP()
+		assert.Nil(t, err)
+
+		next := pool.Lookup("baz.com")
+		baz := pool.Lookup("foo.com")
+		nero := pool.Lookup("foo.com")
+
+		assert.True(t, foo == fox)
+		assert.True(t, foo == next)
+		assert.False(t, foo == baz)
+		assert.True(t, bar == bax)
+		assert.True(t, bar == baz)
+		assert.False(t, bar == next)
+		assert.True(t, baz == nero)
+	}
+}
+
+func TestPool_FlushMemoryCache(t *testing.T) {
+	ipnet := netip.MustParsePrefix("192.168.0.1/28")
+	pool, _ := New(Options{
+		IPNet: &ipnet,
+		Size:  10,
+	})
+
+	foo := pool.Lookup("foo.com")
+	bar := pool.Lookup("baz.com")
+	bax := pool.Lookup("baz.com")
+	fox := pool.Lookup("foo.com")
+
+	err := pool.FlushFakeIP()
+	assert.Nil(t, err)
+
+	next := pool.Lookup("baz.com")
+	baz := pool.Lookup("foo.com")
+	nero := pool.Lookup("foo.com")
+
+	assert.True(t, foo == fox)
+	assert.True(t, foo == next)
+	assert.False(t, foo == baz)
+	assert.True(t, bar == bax)
+	assert.True(t, bar == baz)
+	assert.False(t, bar == next)
+	assert.True(t, baz == nero)
+}

component/geodata/attr.go

@@ -0,0 +1,51 @@
+package geodata
+
+import (
+	"strings"
+
+	"github.com/Dreamacro/clash/component/geodata/router"
+)
+
+type AttributeList struct {
+	matcher []AttributeMatcher
+}
+
+func (al *AttributeList) Match(domain *router.Domain) bool {
+	for _, matcher := range al.matcher {
+		if !matcher.Match(domain) {
+			return false
+		}
+	}
+	return true
+}
+
+func (al *AttributeList) IsEmpty() bool {
+	return len(al.matcher) == 0
+}
+
+func parseAttrs(attrs []string) *AttributeList {
+	al := new(AttributeList)
+	for _, attr := range attrs {
+		trimmedAttr := strings.ToLower(strings.TrimSpace(attr))
+		if len(trimmedAttr) == 0 {
+			continue
+		}
+		al.matcher = append(al.matcher, BooleanMatcher(trimmedAttr))
+	}
+	return al
+}
+
+type AttributeMatcher interface {
+	Match(*router.Domain) bool
+}
+
+type BooleanMatcher string
+
+func (m BooleanMatcher) Match(domain *router.Domain) bool {
+	for _, attr := range domain.Attribute {
+		if strings.EqualFold(attr.GetKey(), string(m)) {
+			return true
+		}
+	}
+	return false
+}

component/geodata/geodata.go

@@ -0,0 +1,86 @@
+package geodata
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	"github.com/Dreamacro/clash/component/geodata/router"
+	"github.com/Dreamacro/clash/log"
+)
+
+type loader struct {
+	LoaderImplementation
+}
+
+func (l *loader) LoadGeoSite(list string) ([]*router.Domain, error) {
+	return l.LoadGeoSiteWithAttr("geosite.dat", list)
+}
+
+func (l *loader) LoadGeoSiteWithAttr(file string, siteWithAttr string) ([]*router.Domain, error) {
+	parts := strings.Split(siteWithAttr, "@")
+	if len(parts) == 0 {
+		return nil, errors.New("empty rule")
+	}
+	list := strings.TrimSpace(parts[0])
+	attrVal := parts[1:]
+
+	if len(list) == 0 {
+		return nil, fmt.Errorf("empty listname in rule: %s", siteWithAttr)
+	}
+
+	domains, err := l.LoadSite(file, list)
+	if err != nil {
+		return nil, err
+	}
+
+	attrs := parseAttrs(attrVal)
+	if attrs.IsEmpty() {
+		if strings.Contains(siteWithAttr, "@") {
+			log.Warnln("empty attribute list: %s", siteWithAttr)
+		}
+		return domains, nil
+	}
+
+	filteredDomains := make([]*router.Domain, 0, len(domains))
+	hasAttrMatched := false
+	for _, domain := range domains {
+		if attrs.Match(domain) {
+			hasAttrMatched = true
+			filteredDomains = append(filteredDomains, domain)
+		}
+	}
+	if !hasAttrMatched {
+		log.Warnln("attribute match no rule: geosite: %s", siteWithAttr)
+	}
+
+	return filteredDomains, nil
+}
+
+func (l *loader) LoadGeoIP(country string) ([]*router.CIDR, error) {
+	return l.LoadIP("geoip.dat", country)
+}
+
+var loaders map[string]func() LoaderImplementation
+
+func RegisterGeoDataLoaderImplementationCreator(name string, loader func() LoaderImplementation) {
+	if loaders == nil {
+		loaders = map[string]func() LoaderImplementation{}
+	}
+	loaders[name] = loader
+}
+
+func getGeoDataLoaderImplementation(name string) (LoaderImplementation, error) {
+	if geoLoader, ok := loaders[name]; ok {
+		return geoLoader(), nil
+	}
+	return nil, fmt.Errorf("unable to locate GeoData loader %s", name)
+}
+
+func GetGeoDataLoader(name string) (Loader, error) {
+	loadImpl, err := getGeoDataLoaderImplementation(name)
+	if err == nil {
+		return &loader{loadImpl}, nil
+	}
+	return nil, err
+}

component/geodata/geodataproto.go

@@ -0,0 +1,17 @@
+package geodata
+
+import (
+	"github.com/Dreamacro/clash/component/geodata/router"
+)
+
+type LoaderImplementation interface {
+	LoadSite(filename, list string) ([]*router.Domain, error)
+	LoadIP(filename, country string) ([]*router.CIDR, error)
+}
+
+type Loader interface {
+	LoaderImplementation
+	LoadGeoSite(list string) ([]*router.Domain, error)
+	LoadGeoSiteWithAttr(file string, siteWithAttr string) ([]*router.Domain, error)
+	LoadGeoIP(country string) ([]*router.CIDR, error)
+}

component/geodata/memconservative/cache.go

@@ -0,0 +1,143 @@
+package memconservative
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/Dreamacro/clash/component/geodata/router"
+	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/log"
+
+	"google.golang.org/protobuf/proto"
+)
+
+type GeoIPCache map[string]*router.GeoIP
+
+func (g GeoIPCache) Has(key string) bool {
+	return !(g.Get(key) == nil)
+}
+
+func (g GeoIPCache) Get(key string) *router.GeoIP {
+	if g == nil {
+		return nil
+	}
+	return g[key]
+}
+
+func (g GeoIPCache) Set(key string, value *router.GeoIP) {
+	if g == nil {
+		g = make(map[string]*router.GeoIP)
+	}
+	g[key] = value
+}
+
+func (g GeoIPCache) Unmarshal(filename, code string) (*router.GeoIP, error) {
+	asset := C.Path.Resolve(filename)
+	idx := strings.ToLower(asset + ":" + code)
+	if g.Has(idx) {
+		return g.Get(idx), nil
+	}
+
+	geoipBytes, err := Decode(asset, code)
+	switch err {
+	case nil:
+		var geoip router.GeoIP
+		if err := proto.Unmarshal(geoipBytes, &geoip); err != nil {
+			return nil, err
+		}
+		g.Set(idx, &geoip)
+		return &geoip, nil
+
+	case errCodeNotFound:
+		return nil, fmt.Errorf("country code %s%s%s", code, " not found in ", filename)
+
+	case errFailedToReadBytes, errFailedToReadExpectedLenBytes,
+		errInvalidGeodataFile, errInvalidGeodataVarintLength:
+		log.Warnln("failed to decode geoip file: %s%s", filename, ", fallback to the original ReadFile method")
+		geoipBytes, err = os.ReadFile(asset)
+		if err != nil {
+			return nil, err
+		}
+		var geoipList router.GeoIPList
+		if err := proto.Unmarshal(geoipBytes, &geoipList); err != nil {
+			return nil, err
+		}
+		for _, geoip := range geoipList.GetEntry() {
+			if strings.EqualFold(code, geoip.GetCountryCode()) {
+				g.Set(idx, geoip)
+				return geoip, nil
+			}
+		}
+
+	default:
+		return nil, err
+	}
+
+	return nil, fmt.Errorf("country code %s%s%s", code, " not found in ", filename)
+}
+
+type GeoSiteCache map[string]*router.GeoSite
+
+func (g GeoSiteCache) Has(key string) bool {
+	return !(g.Get(key) == nil)
+}
+
+func (g GeoSiteCache) Get(key string) *router.GeoSite {
+	if g == nil {
+		return nil
+	}
+	return g[key]
+}
+
+func (g GeoSiteCache) Set(key string, value *router.GeoSite) {
+	if g == nil {
+		g = make(map[string]*router.GeoSite)
+	}
+	g[key] = value
+}
+
+func (g GeoSiteCache) Unmarshal(filename, code string) (*router.GeoSite, error) {
+	asset := C.Path.Resolve(filename)
+	idx := strings.ToLower(asset + ":" + code)
+	if g.Has(idx) {
+		return g.Get(idx), nil
+	}
+
+	geositeBytes, err := Decode(asset, code)
+	switch err {
+	case nil:
+		var geosite router.GeoSite
+		if err := proto.Unmarshal(geositeBytes, &geosite); err != nil {
+			return nil, err
+		}
+		g.Set(idx, &geosite)
+		return &geosite, nil
+
+	case errCodeNotFound:
+		return nil, fmt.Errorf("list %s%s%s", code, " not found in ", filename)
+
+	case errFailedToReadBytes, errFailedToReadExpectedLenBytes,
+		errInvalidGeodataFile, errInvalidGeodataVarintLength:
+		log.Warnln("failed to decode geoip file: %s%s", filename, ", fallback to the original ReadFile method")
+		geositeBytes, err = os.ReadFile(asset)
+		if err != nil {
+			return nil, err
+		}
+		var geositeList router.GeoSiteList
+		if err := proto.Unmarshal(geositeBytes, &geositeList); err != nil {
+			return nil, err
+		}
+		for _, geosite := range geositeList.GetEntry() {
+			if strings.EqualFold(code, geosite.GetCountryCode()) {
+				g.Set(idx, geosite)
+				return geosite, nil
+			}
+		}
+
+	default:
+		return nil, err
+	}
+
+	return nil, fmt.Errorf("list %s%s%s", code, " not found in ", filename)
+}

component/geodata/memconservative/decode.go

@@ -0,0 +1,107 @@
+package memconservative
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"os"
+	"strings"
+
+	"google.golang.org/protobuf/encoding/protowire"
+)
+
+var (
+	errFailedToReadBytes            = errors.New("failed to read bytes")
+	errFailedToReadExpectedLenBytes = errors.New("failed to read expected length of bytes")
+	errInvalidGeodataFile           = errors.New("invalid geodata file")
+	errInvalidGeodataVarintLength   = errors.New("invalid geodata varint length")
+	errCodeNotFound                 = errors.New("code not found")
+)
+
+func emitBytes(f io.ReadSeeker, code string) ([]byte, error) {
+	count := 1
+	isInner := false
+	tempContainer := make([]byte, 0, 5)
+
+	var result []byte
+	var advancedN uint64 = 1
+	var geoDataVarintLength, codeVarintLength, varintLenByteLen uint64 = 0, 0, 0
+
+Loop:
+	for {
+		container := make([]byte, advancedN)
+		bytesRead, err := f.Read(container)
+		if err == io.EOF {
+			return nil, errCodeNotFound
+		}
+		if err != nil {
+			return nil, errFailedToReadBytes
+		}
+		if bytesRead != len(container) {
+			return nil, errFailedToReadExpectedLenBytes
+		}
+
+		switch count {
+		case 1, 3: // data type ((field_number << 3) | wire_type)
+			if container[0] != 10 { // byte `0A` equals to `10` in decimal
+				return nil, errInvalidGeodataFile
+			}
+			advancedN = 1
+			count++
+		case 2, 4: // data length
+			tempContainer = append(tempContainer, container...)
+			if container[0] > 127 { // max one-byte-length byte `7F`(0FFF FFFF) equals to `127` in decimal
+				advancedN = 1
+				goto Loop
+			}
+			lenVarint, n := protowire.ConsumeVarint(tempContainer)
+			if n < 0 {
+				return nil, errInvalidGeodataVarintLength
+			}
+			tempContainer = nil
+			if !isInner {
+				isInner = true
+				geoDataVarintLength = lenVarint
+				advancedN = 1
+			} else {
+				isInner = false
+				codeVarintLength = lenVarint
+				varintLenByteLen = uint64(n)
+				advancedN = codeVarintLength
+			}
+			count++
+		case 5: // data value
+			if strings.EqualFold(string(container), code) {
+				count++
+				offset := -(1 + int64(varintLenByteLen) + int64(codeVarintLength))
+				_, _ = f.Seek(offset, 1)        // back to the start of GeoIP or GeoSite varint
+				advancedN = geoDataVarintLength // the number of bytes to be read in next round
+			} else {
+				count = 1
+				offset := int64(geoDataVarintLength) - int64(codeVarintLength) - int64(varintLenByteLen) - 1
+				_, _ = f.Seek(offset, 1) // skip the unmatched GeoIP or GeoSite varint
+				advancedN = 1            // the next round will be the start of another GeoIPList or GeoSiteList
+			}
+		case 6: // matched GeoIP or GeoSite varint
+			result = container
+			break Loop
+		}
+	}
+	return result, nil
+}
+
+func Decode(filename, code string) ([]byte, error) {
+	f, err := os.Open(filename)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open file: %s, base error: %s", filename, err.Error())
+	}
+	defer func(f *os.File) {
+		_ = f.Close()
+	}(f)
+
+	geoBytes, err := emitBytes(f, code)
+	if err != nil {
+		return nil, err
+	}
+	return geoBytes, nil
+}

component/geodata/memconservative/memc.go

@@ -0,0 +1,40 @@
+package memconservative
+
+import (
+	"fmt"
+	"runtime"
+
+	"github.com/Dreamacro/clash/component/geodata"
+	"github.com/Dreamacro/clash/component/geodata/router"
+)
+
+type memConservativeLoader struct {
+	geoipcache   GeoIPCache
+	geositecache GeoSiteCache
+}
+
+func (m *memConservativeLoader) LoadIP(filename, country string) ([]*router.CIDR, error) {
+	defer runtime.GC()
+	geoip, err := m.geoipcache.Unmarshal(filename, country)
+	if err != nil {
+		return nil, fmt.Errorf("failed to decode geodata file: %s, base error: %s", filename, err.Error())
+	}
+	return geoip.Cidr, nil
+}
+
+func (m *memConservativeLoader) LoadSite(filename, list string) ([]*router.Domain, error) {
+	defer runtime.GC()
+	geosite, err := m.geositecache.Unmarshal(filename, list)
+	if err != nil {
+		return nil, fmt.Errorf("failed to decode geodata file: %s, base error: %s", filename, err.Error())
+	}
+	return geosite.Domain, nil
+}
+
+func newMemConservativeLoader() geodata.LoaderImplementation {
+	return &memConservativeLoader{make(map[string]*router.GeoIP), make(map[string]*router.GeoSite)}
+}
+
+func init() {
+	geodata.RegisterGeoDataLoaderImplementationCreator("memconservative", newMemConservativeLoader)
+}

component/geodata/package_info.go

@@ -0,0 +1,4 @@
+// Modified from: https://github.com/v2fly/v2ray-core/tree/master/infra/conf/geodata
+// License: MIT
+
+package geodata

component/geodata/router/condition.go

@@ -0,0 +1,71 @@
+package router
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/Dreamacro/clash/component/geodata/strmatcher"
+)
+
+var matcherTypeMap = map[Domain_Type]strmatcher.Type{
+	Domain_Plain:  strmatcher.Substr,
+	Domain_Regex:  strmatcher.Regex,
+	Domain_Domain: strmatcher.Domain,
+	Domain_Full:   strmatcher.Full,
+}
+
+func domainToMatcher(domain *Domain) (strmatcher.Matcher, error) {
+	matcherType, f := matcherTypeMap[domain.Type]
+	if !f {
+		return nil, fmt.Errorf("unsupported domain type %v", domain.Type)
+	}
+
+	matcher, err := matcherType.New(domain.Value)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create domain matcher, base error: %s", err.Error())
+	}
+
+	return matcher, nil
+}
+
+type DomainMatcher struct {
+	matchers strmatcher.IndexMatcher
+}
+
+func NewMphMatcherGroup(domains []*Domain) (*DomainMatcher, error) {
+	g := strmatcher.NewMphMatcherGroup()
+	for _, d := range domains {
+		matcherType, f := matcherTypeMap[d.Type]
+		if !f {
+			return nil, fmt.Errorf("unsupported domain type %v", d.Type)
+		}
+		_, err := g.AddPattern(d.Value, matcherType)
+		if err != nil {
+			return nil, err
+		}
+	}
+	g.Build()
+	return &DomainMatcher{
+		matchers: g,
+	}, nil
+}
+
+// NewDomainMatcher new domain matcher.
+func NewDomainMatcher(domains []*Domain) (*DomainMatcher, error) {
+	g := new(strmatcher.MatcherGroup)
+	for _, d := range domains {
+		m, err := domainToMatcher(d)
+		if err != nil {
+			return nil, err
+		}
+		g.Add(m)
+	}
+
+	return &DomainMatcher{
+		matchers: g,
+	}, nil
+}
+
+func (m *DomainMatcher) ApplyDomain(domain string) bool {
+	return len(m.matchers.Match(strings.ToLower(domain))) > 0
+}

component/geodata/router/config.pb.go

@@ -0,0 +1,725 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.19.1
+// source: component/geodata/router/config.proto
+
+package router
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Type of domain value.
+type Domain_Type int32
+
+const (
+	// The value is used as is.
+	Domain_Plain Domain_Type = 0
+	// The value is used as a regular expression.
+	Domain_Regex Domain_Type = 1
+	// The value is a root domain.
+	Domain_Domain Domain_Type = 2
+	// The value is a domain.
+	Domain_Full Domain_Type = 3
+)
+
+// Enum value maps for Domain_Type.
+var (
+	Domain_Type_name = map[int32]string{
+		0: "Plain",
+		1: "Regex",
+		2: "Domain",
+		3: "Full",
+	}
+	Domain_Type_value = map[string]int32{
+		"Plain":  0,
+		"Regex":  1,
+		"Domain": 2,
+		"Full":   3,
+	}
+)
+
+func (x Domain_Type) Enum() *Domain_Type {
+	p := new(Domain_Type)
+	*p = x
+	return p
+}
+
+func (x Domain_Type) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (Domain_Type) Descriptor() protoreflect.EnumDescriptor {
+	return file_component_geodata_router_config_proto_enumTypes[0].Descriptor()
+}
+
+func (Domain_Type) Type() protoreflect.EnumType {
+	return &file_component_geodata_router_config_proto_enumTypes[0]
+}
+
+func (x Domain_Type) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Domain_Type.Descriptor instead.
+func (Domain_Type) EnumDescriptor() ([]byte, []int) {
+	return file_component_geodata_router_config_proto_rawDescGZIP(), []int{0, 0}
+}
+
+// Domain for routing decision.
+type Domain struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Domain matching type.
+	Type Domain_Type `protobuf:"varint,1,opt,name=type,proto3,enum=clash.component.geodata.router.Domain_Type" json:"type,omitempty"`
+	// Domain value.
+	Value string `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+	// Attributes of this domain. May be used for filtering.
+	Attribute []*Domain_Attribute `protobuf:"bytes,3,rep,name=attribute,proto3" json:"attribute,omitempty"`
+}
+
+func (x *Domain) Reset() {
+	*x = Domain{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_component_geodata_router_config_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Domain) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Domain) ProtoMessage() {}
+
+func (x *Domain) ProtoReflect() protoreflect.Message {
+	mi := &file_component_geodata_router_config_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Domain.ProtoReflect.Descriptor instead.
+func (*Domain) Descriptor() ([]byte, []int) {
+	return file_component_geodata_router_config_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Domain) GetType() Domain_Type {
+	if x != nil {
+		return x.Type
+	}
+	return Domain_Plain
+}
+
+func (x *Domain) GetValue() string {
+	if x != nil {
+		return x.Value
+	}
+	return ""
+}
+
+func (x *Domain) GetAttribute() []*Domain_Attribute {
+	if x != nil {
+		return x.Attribute
+	}
+	return nil
+}
+
+// IP for routing decision, in CIDR form.
+type CIDR struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// IP address, should be either 4 or 16 bytes.
+	Ip []byte `protobuf:"bytes,1,opt,name=ip,proto3" json:"ip,omitempty"`
+	// Number of leading ones in the network mask.
+	Prefix uint32 `protobuf:"varint,2,opt,name=prefix,proto3" json:"prefix,omitempty"`
+}
+
+func (x *CIDR) Reset() {
+	*x = CIDR{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_component_geodata_router_config_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CIDR) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CIDR) ProtoMessage() {}
+
+func (x *CIDR) ProtoReflect() protoreflect.Message {
+	mi := &file_component_geodata_router_config_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CIDR.ProtoReflect.Descriptor instead.
+func (*CIDR) Descriptor() ([]byte, []int) {
+	return file_component_geodata_router_config_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *CIDR) GetIp() []byte {
+	if x != nil {
+		return x.Ip
+	}
+	return nil
+}
+
+func (x *CIDR) GetPrefix() uint32 {
+	if x != nil {
+		return x.Prefix
+	}
+	return 0
+}
+
+type GeoIP struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	CountryCode  string  `protobuf:"bytes,1,opt,name=country_code,json=countryCode,proto3" json:"country_code,omitempty"`
+	Cidr         []*CIDR `protobuf:"bytes,2,rep,name=cidr,proto3" json:"cidr,omitempty"`
+	ReverseMatch bool    `protobuf:"varint,3,opt,name=reverse_match,json=reverseMatch,proto3" json:"reverse_match,omitempty"`
+}
+
+func (x *GeoIP) Reset() {
+	*x = GeoIP{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_component_geodata_router_config_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GeoIP) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GeoIP) ProtoMessage() {}
+
+func (x *GeoIP) ProtoReflect() protoreflect.Message {
+	mi := &file_component_geodata_router_config_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GeoIP.ProtoReflect.Descriptor instead.
+func (*GeoIP) Descriptor() ([]byte, []int) {
+	return file_component_geodata_router_config_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *GeoIP) GetCountryCode() string {
+	if x != nil {
+		return x.CountryCode
+	}
+	return ""
+}
+
+func (x *GeoIP) GetCidr() []*CIDR {
+	if x != nil {
+		return x.Cidr
+	}
+	return nil
+}
+
+func (x *GeoIP) GetReverseMatch() bool {
+	if x != nil {
+		return x.ReverseMatch
+	}
+	return false
+}
+
+type GeoIPList struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Entry []*GeoIP `protobuf:"bytes,1,rep,name=entry,proto3" json:"entry,omitempty"`
+}
+
+func (x *GeoIPList) Reset() {
+	*x = GeoIPList{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_component_geodata_router_config_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GeoIPList) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GeoIPList) ProtoMessage() {}
+
+func (x *GeoIPList) ProtoReflect() protoreflect.Message {
+	mi := &file_component_geodata_router_config_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GeoIPList.ProtoReflect.Descriptor instead.
+func (*GeoIPList) Descriptor() ([]byte, []int) {
+	return file_component_geodata_router_config_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *GeoIPList) GetEntry() []*GeoIP {
+	if x != nil {
+		return x.Entry
+	}
+	return nil
+}
+
+type GeoSite struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	CountryCode string    `protobuf:"bytes,1,opt,name=country_code,json=countryCode,proto3" json:"country_code,omitempty"`
+	Domain      []*Domain `protobuf:"bytes,2,rep,name=domain,proto3" json:"domain,omitempty"`
+}
+
+func (x *GeoSite) Reset() {
+	*x = GeoSite{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_component_geodata_router_config_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GeoSite) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GeoSite) ProtoMessage() {}
+
+func (x *GeoSite) ProtoReflect() protoreflect.Message {
+	mi := &file_component_geodata_router_config_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GeoSite.ProtoReflect.Descriptor instead.
+func (*GeoSite) Descriptor() ([]byte, []int) {
+	return file_component_geodata_router_config_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *GeoSite) GetCountryCode() string {
+	if x != nil {
+		return x.CountryCode
+	}
+	return ""
+}
+
+func (x *GeoSite) GetDomain() []*Domain {
+	if x != nil {
+		return x.Domain
+	}
+	return nil
+}
+
+type GeoSiteList struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Entry []*GeoSite `protobuf:"bytes,1,rep,name=entry,proto3" json:"entry,omitempty"`
+}
+
+func (x *GeoSiteList) Reset() {
+	*x = GeoSiteList{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_component_geodata_router_config_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GeoSiteList) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GeoSiteList) ProtoMessage() {}
+
+func (x *GeoSiteList) ProtoReflect() protoreflect.Message {
+	mi := &file_component_geodata_router_config_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GeoSiteList.ProtoReflect.Descriptor instead.
+func (*GeoSiteList) Descriptor() ([]byte, []int) {
+	return file_component_geodata_router_config_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *GeoSiteList) GetEntry() []*GeoSite {
+	if x != nil {
+		return x.Entry
+	}
+	return nil
+}
+
+type Domain_Attribute struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	// Types that are assignable to TypedValue:
+	//	*Domain_Attribute_BoolValue
+	//	*Domain_Attribute_IntValue
+	TypedValue isDomain_Attribute_TypedValue `protobuf_oneof:"typed_value"`
+}
+
+func (x *Domain_Attribute) Reset() {
+	*x = Domain_Attribute{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_component_geodata_router_config_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Domain_Attribute) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Domain_Attribute) ProtoMessage() {}
+
+func (x *Domain_Attribute) ProtoReflect() protoreflect.Message {
+	mi := &file_component_geodata_router_config_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Domain_Attribute.ProtoReflect.Descriptor instead.
+func (*Domain_Attribute) Descriptor() ([]byte, []int) {
+	return file_component_geodata_router_config_proto_rawDescGZIP(), []int{0, 0}
+}
+
+func (x *Domain_Attribute) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (m *Domain_Attribute) GetTypedValue() isDomain_Attribute_TypedValue {
+	if m != nil {
+		return m.TypedValue
+	}
+	return nil
+}
+
+func (x *Domain_Attribute) GetBoolValue() bool {
+	if x, ok := x.GetTypedValue().(*Domain_Attribute_BoolValue); ok {
+		return x.BoolValue
+	}
+	return false
+}
+
+func (x *Domain_Attribute) GetIntValue() int64 {
+	if x, ok := x.GetTypedValue().(*Domain_Attribute_IntValue); ok {
+		return x.IntValue
+	}
+	return 0
+}
+
+type isDomain_Attribute_TypedValue interface {
+	isDomain_Attribute_TypedValue()
+}
+
+type Domain_Attribute_BoolValue struct {
+	BoolValue bool `protobuf:"varint,2,opt,name=bool_value,json=boolValue,proto3,oneof"`
+}
+
+type Domain_Attribute_IntValue struct {
+	IntValue int64 `protobuf:"varint,3,opt,name=int_value,json=intValue,proto3,oneof"`
+}
+
+func (*Domain_Attribute_BoolValue) isDomain_Attribute_TypedValue() {}
+
+func (*Domain_Attribute_IntValue) isDomain_Attribute_TypedValue() {}
+
+var File_component_geodata_router_config_proto protoreflect.FileDescriptor
+
+var file_component_geodata_router_config_proto_rawDesc = []byte{
+	0x0a, 0x25, 0x63, 0x6f, 0x6d, 0x70, 0x6f, 0x6e, 0x65, 0x6e, 0x74, 0x2f, 0x67, 0x65, 0x6f, 0x64,
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+	0x74, 0x6f, 0x33,
+}
+
+var (
+	file_component_geodata_router_config_proto_rawDescOnce sync.Once
+	file_component_geodata_router_config_proto_rawDescData = file_component_geodata_router_config_proto_rawDesc
+)
+
+func file_component_geodata_router_config_proto_rawDescGZIP() []byte {
+	file_component_geodata_router_config_proto_rawDescOnce.Do(func() {
+		file_component_geodata_router_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_component_geodata_router_config_proto_rawDescData)
+	})
+	return file_component_geodata_router_config_proto_rawDescData
+}
+
+var file_component_geodata_router_config_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_component_geodata_router_config_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_component_geodata_router_config_proto_goTypes = []interface{}{
+	(Domain_Type)(0),         // 0: clash.component.geodata.router.Domain.Type
+	(*Domain)(nil),           // 1: clash.component.geodata.router.Domain
+	(*CIDR)(nil),             // 2: clash.component.geodata.router.CIDR
+	(*GeoIP)(nil),            // 3: clash.component.geodata.router.GeoIP
+	(*GeoIPList)(nil),        // 4: clash.component.geodata.router.GeoIPList
+	(*GeoSite)(nil),          // 5: clash.component.geodata.router.GeoSite
+	(*GeoSiteList)(nil),      // 6: clash.component.geodata.router.GeoSiteList
+	(*Domain_Attribute)(nil), // 7: clash.component.geodata.router.Domain.Attribute
+}
+var file_component_geodata_router_config_proto_depIdxs = []int32{
+	0, // 0: clash.component.geodata.router.Domain.type:type_name -> clash.component.geodata.router.Domain.Type
+	7, // 1: clash.component.geodata.router.Domain.attribute:type_name -> clash.component.geodata.router.Domain.Attribute
+	2, // 2: clash.component.geodata.router.GeoIP.cidr:type_name -> clash.component.geodata.router.CIDR
+	3, // 3: clash.component.geodata.router.GeoIPList.entry:type_name -> clash.component.geodata.router.GeoIP
+	1, // 4: clash.component.geodata.router.GeoSite.domain:type_name -> clash.component.geodata.router.Domain
+	5, // 5: clash.component.geodata.router.GeoSiteList.entry:type_name -> clash.component.geodata.router.GeoSite
+	6, // [6:6] is the sub-list for method output_type
+	6, // [6:6] is the sub-list for method input_type
+	6, // [6:6] is the sub-list for extension type_name
+	6, // [6:6] is the sub-list for extension extendee
+	0, // [0:6] is the sub-list for field type_name
+}
+
+func init() { file_component_geodata_router_config_proto_init() }
+func file_component_geodata_router_config_proto_init() {
+	if File_component_geodata_router_config_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_component_geodata_router_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Domain); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_component_geodata_router_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CIDR); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_component_geodata_router_config_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GeoIP); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_component_geodata_router_config_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GeoIPList); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_component_geodata_router_config_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GeoSite); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_component_geodata_router_config_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GeoSiteList); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_component_geodata_router_config_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Domain_Attribute); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_component_geodata_router_config_proto_msgTypes[6].OneofWrappers = []interface{}{
+		(*Domain_Attribute_BoolValue)(nil),
+		(*Domain_Attribute_IntValue)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_component_geodata_router_config_proto_rawDesc,
+			NumEnums:      1,
+			NumMessages:   7,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_component_geodata_router_config_proto_goTypes,
+		DependencyIndexes: file_component_geodata_router_config_proto_depIdxs,
+		EnumInfos:         file_component_geodata_router_config_proto_enumTypes,
+		MessageInfos:      file_component_geodata_router_config_proto_msgTypes,
+	}.Build()
+	File_component_geodata_router_config_proto = out.File
+	file_component_geodata_router_config_proto_rawDesc = nil
+	file_component_geodata_router_config_proto_goTypes = nil
+	file_component_geodata_router_config_proto_depIdxs = nil
+}

component/geodata/router/config.proto

@@ -0,0 +1,68 @@
+syntax = "proto3";
+
+package clash.component.geodata.router;
+option csharp_namespace = "Clash.Component.Geodata.Router";
+option go_package = "github.com/Dreamacro/clash/component/geodata/router";
+option java_package = "com.clash.component.geodata.router";
+option java_multiple_files = true;
+
+// Domain for routing decision.
+message Domain {
+  // Type of domain value.
+  enum Type {
+    // The value is used as is.
+    Plain = 0;
+    // The value is used as a regular expression.
+    Regex = 1;
+    // The value is a root domain.
+    Domain = 2;
+    // The value is a domain.
+    Full = 3;
+  }
+
+  // Domain matching type.
+  Type type = 1;
+
+  // Domain value.
+  string value = 2;
+
+  message Attribute {
+    string key = 1;
+
+    oneof typed_value {
+      bool bool_value = 2;
+      int64 int_value = 3;
+    }
+  }
+
+  // Attributes of this domain. May be used for filtering.
+  repeated Attribute attribute = 3;
+}
+
+// IP for routing decision, in CIDR form.
+message CIDR {
+  // IP address, should be either 4 or 16 bytes.
+  bytes ip = 1;
+
+  // Number of leading ones in the network mask.
+  uint32 prefix = 2;
+}
+
+message GeoIP {
+  string country_code = 1;
+  repeated CIDR cidr = 2;
+  bool reverse_match = 3;
+}
+
+message GeoIPList {
+  repeated GeoIP entry = 1;
+}
+
+message GeoSite {
+  string country_code = 1;
+  repeated Domain domain = 2;
+}
+
+message GeoSiteList {
+  repeated GeoSite entry = 1;
+}

component/geodata/standard/standard.go

@@ -0,0 +1,84 @@
+package standard
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"strings"
+
+	"github.com/Dreamacro/clash/component/geodata"
+	"github.com/Dreamacro/clash/component/geodata/router"
+	C "github.com/Dreamacro/clash/constant"
+
+	"google.golang.org/protobuf/proto"
+)
+
+func ReadFile(path string) ([]byte, error) {
+	reader, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer func(reader *os.File) {
+		_ = reader.Close()
+	}(reader)
+
+	return io.ReadAll(reader)
+}
+
+func ReadAsset(file string) ([]byte, error) {
+	return ReadFile(C.Path.Resolve(file))
+}
+
+func loadIP(filename, country string) ([]*router.CIDR, error) {
+	geoipBytes, err := ReadAsset(filename)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open file: %s, base error: %s", filename, err.Error())
+	}
+	var geoipList router.GeoIPList
+	if err := proto.Unmarshal(geoipBytes, &geoipList); err != nil {
+		return nil, err
+	}
+
+	for _, geoip := range geoipList.Entry {
+		if strings.EqualFold(geoip.CountryCode, country) {
+			return geoip.Cidr, nil
+		}
+	}
+
+	return nil, fmt.Errorf("country not found in %s%s%s", filename, ": ", country)
+}
+
+func loadSite(filename, list string) ([]*router.Domain, error) {
+	geositeBytes, err := ReadAsset(filename)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open file: %s, base error: %s", filename, err.Error())
+	}
+	var geositeList router.GeoSiteList
+	if err := proto.Unmarshal(geositeBytes, &geositeList); err != nil {
+		return nil, err
+	}
+
+	for _, site := range geositeList.Entry {
+		if strings.EqualFold(site.CountryCode, list) {
+			return site.Domain, nil
+		}
+	}
+
+	return nil, fmt.Errorf("list not found in %s%s%s", filename, ": ", list)
+}
+
+type standardLoader struct{}
+
+func (d standardLoader) LoadSite(filename, list string) ([]*router.Domain, error) {
+	return loadSite(filename, list)
+}
+
+func (d standardLoader) LoadIP(filename, country string) ([]*router.CIDR, error) {
+	return loadIP(filename, country)
+}
+
+func init() {
+	geodata.RegisterGeoDataLoaderImplementationCreator("standard", func() geodata.LoaderImplementation {
+		return standardLoader{}
+	})
+}

component/geodata/strmatcher/ac_automaton_matcher.go

@@ -0,0 +1,241 @@
+package strmatcher
+
+import (
+	"github.com/Dreamacro/clash/common/generics/list"
+)
+
+const validCharCount = 53
+
+type MatchType struct {
+	matchType Type
+	exist     bool
+}
+
+const (
+	TrieEdge bool = true
+	FailEdge bool = false
+)
+
+type Edge struct {
+	edgeType bool
+	nextNode int
+}
+
+type ACAutomaton struct {
+	trie   [][validCharCount]Edge
+	fail   []int
+	exists []MatchType
+	count  int
+}
+
+func newNode() [validCharCount]Edge {
+	var s [validCharCount]Edge
+	for i := range s {
+		s[i] = Edge{
+			edgeType: FailEdge,
+			nextNode: 0,
+		}
+	}
+	return s
+}
+
+var char2Index = []int{
+	'A':  0,
+	'a':  0,
+	'B':  1,
+	'b':  1,
+	'C':  2,
+	'c':  2,
+	'D':  3,
+	'd':  3,
+	'E':  4,
+	'e':  4,
+	'F':  5,
+	'f':  5,
+	'G':  6,
+	'g':  6,
+	'H':  7,
+	'h':  7,
+	'I':  8,
+	'i':  8,
+	'J':  9,
+	'j':  9,
+	'K':  10,
+	'k':  10,
+	'L':  11,
+	'l':  11,
+	'M':  12,
+	'm':  12,
+	'N':  13,
+	'n':  13,
+	'O':  14,
+	'o':  14,
+	'P':  15,
+	'p':  15,
+	'Q':  16,
+	'q':  16,
+	'R':  17,
+	'r':  17,
+	'S':  18,
+	's':  18,
+	'T':  19,
+	't':  19,
+	'U':  20,
+	'u':  20,
+	'V':  21,
+	'v':  21,
+	'W':  22,
+	'w':  22,
+	'X':  23,
+	'x':  23,
+	'Y':  24,
+	'y':  24,
+	'Z':  25,
+	'z':  25,
+	'!':  26,
+	'$':  27,
+	'&':  28,
+	'\'': 29,
+	'(':  30,
+	')':  31,
+	'*':  32,
+	'+':  33,
+	',':  34,
+	';':  35,
+	'=':  36,
+	':':  37,
+	'%':  38,
+	'-':  39,
+	'.':  40,
+	'_':  41,
+	'~':  42,
+	'0':  43,
+	'1':  44,
+	'2':  45,
+	'3':  46,
+	'4':  47,
+	'5':  48,
+	'6':  49,
+	'7':  50,
+	'8':  51,
+	'9':  52,
+}
+
+func NewACAutomaton() *ACAutomaton {
+	ac := new(ACAutomaton)
+	ac.trie = append(ac.trie, newNode())
+	ac.fail = append(ac.fail, 0)
+	ac.exists = append(ac.exists, MatchType{
+		matchType: Full,
+		exist:     false,
+	})
+	return ac
+}
+
+func (ac *ACAutomaton) Add(domain string, t Type) {
+	node := 0
+	for i := len(domain) - 1; i >= 0; i-- {
+		idx := char2Index[domain[i]]
+		if ac.trie[node][idx].nextNode == 0 {
+			ac.count++
+			if len(ac.trie) < ac.count+1 {
+				ac.trie = append(ac.trie, newNode())
+				ac.fail = append(ac.fail, 0)
+				ac.exists = append(ac.exists, MatchType{
+					matchType: Full,
+					exist:     false,
+				})
+			}
+			ac.trie[node][idx] = Edge{
+				edgeType: TrieEdge,
+				nextNode: ac.count,
+			}
+		}
+		node = ac.trie[node][idx].nextNode
+	}
+	ac.exists[node] = MatchType{
+		matchType: t,
+		exist:     true,
+	}
+	switch t {
+	case Domain:
+		ac.exists[node] = MatchType{
+			matchType: Full,
+			exist:     true,
+		}
+		idx := char2Index['.']
+		if ac.trie[node][idx].nextNode == 0 {
+			ac.count++
+			if len(ac.trie) < ac.count+1 {
+				ac.trie = append(ac.trie, newNode())
+				ac.fail = append(ac.fail, 0)
+				ac.exists = append(ac.exists, MatchType{
+					matchType: Full,
+					exist:     false,
+				})
+			}
+			ac.trie[node][idx] = Edge{
+				edgeType: TrieEdge,
+				nextNode: ac.count,
+			}
+		}
+		node = ac.trie[node][idx].nextNode
+		ac.exists[node] = MatchType{
+			matchType: t,
+			exist:     true,
+		}
+	default:
+		break
+	}
+}
+
+func (ac *ACAutomaton) Build() {
+	queue := list.New[Edge]()
+	for i := 0; i < validCharCount; i++ {
+		if ac.trie[0][i].nextNode != 0 {
+			queue.PushBack(ac.trie[0][i])
+		}
+	}
+	for {
+		front := queue.Front()
+		if front == nil {
+			break
+		} else {
+			node := front.Value.nextNode
+			queue.Remove(front)
+			for i := 0; i < validCharCount; i++ {
+				if ac.trie[node][i].nextNode != 0 {
+					ac.fail[ac.trie[node][i].nextNode] = ac.trie[ac.fail[node]][i].nextNode
+					queue.PushBack(ac.trie[node][i])
+				} else {
+					ac.trie[node][i] = Edge{
+						edgeType: FailEdge,
+						nextNode: ac.trie[ac.fail[node]][i].nextNode,
+					}
+				}
+			}
+		}
+	}
+}
+
+func (ac *ACAutomaton) Match(s string) bool {
+	node := 0
+	fullMatch := true
+	// 1. the match string is all through trie edge. FULL MATCH or DOMAIN
+	// 2. the match string is through a fail edge. NOT FULL MATCH
+	// 2.1 Through a fail edge, but there exists a valid node. SUBSTR
+	for i := len(s) - 1; i >= 0; i-- {
+		idx := char2Index[s[i]]
+		fullMatch = fullMatch && ac.trie[node][idx].edgeType
+		node = ac.trie[node][idx].nextNode
+		switch ac.exists[node].matchType {
+		case Substr:
+			return true
+		case Domain:
+			if fullMatch {
+				return true
+			}
+		}
+	}
+	return fullMatch && ac.exists[node].exist
+}

component/geodata/strmatcher/domain_matcher.go

@@ -0,0 +1,98 @@
+package strmatcher
+
+import "strings"
+
+func breakDomain(domain string) []string {
+	return strings.Split(domain, ".")
+}
+
+type node struct {
+	values []uint32
+	sub    map[string]*node
+}
+
+// DomainMatcherGroup is a IndexMatcher for a large set of Domain matchers.
+// Visible for testing only.
+type DomainMatcherGroup struct {
+	root *node
+}
+
+func (g *DomainMatcherGroup) Add(domain string, value uint32) {
+	if g.root == nil {
+		g.root = new(node)
+	}
+
+	current := g.root
+	parts := breakDomain(domain)
+	for i := len(parts) - 1; i >= 0; i-- {
+		part := parts[i]
+		if current.sub == nil {
+			current.sub = make(map[string]*node)
+		}
+		next := current.sub[part]
+		if next == nil {
+			next = new(node)
+			current.sub[part] = next
+		}
+		current = next
+	}
+
+	current.values = append(current.values, value)
+}
+
+func (g *DomainMatcherGroup) addMatcher(m domainMatcher, value uint32) {
+	g.Add(string(m), value)
+}
+
+func (g *DomainMatcherGroup) Match(domain string) []uint32 {
+	if domain == "" {
+		return nil
+	}
+
+	current := g.root
+	if current == nil {
+		return nil
+	}
+
+	nextPart := func(idx int) int {
+		for i := idx - 1; i >= 0; i-- {
+			if domain[i] == '.' {
+				return i
+			}
+		}
+		return -1
+	}
+
+	matches := [][]uint32{}
+	idx := len(domain)
+	for {
+		if idx == -1 || current.sub == nil {
+			break
+		}
+
+		nidx := nextPart(idx)
+		part := domain[nidx+1 : idx]
+		next := current.sub[part]
+		if next == nil {
+			break
+		}
+		current = next
+		idx = nidx
+		if len(current.values) > 0 {
+			matches = append(matches, current.values)
+		}
+	}
+	switch len(matches) {
+	case 0:
+		return nil
+	case 1:
+		return matches[0]
+	default:
+		result := []uint32{}
+		for idx := range matches {
+			// Insert reversely, the subdomain that matches further ranks higher
+			result = append(result, matches[len(matches)-1-idx]...)
+		}
+		return result
+	}
+}