Chore: update dependencies

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -56,8 +56,8 @@ This is an issue of the Clash core *per se*, not to the derivatives of Clash, li
       render: yaml
       label: "Clash config"
       description: "
-在下方附上 Clash core 脱敏后配置文件的内容
-Paste the Clash core configuration below.
+在下方附上 Clash core 配置文件，请确保配置文件中没有敏感信息（比如：服务器地址，密码，端口等）
+Paste the Clash core configuration file below, please make sure that there is no sensitive information in the configuration file (e.g., server address/url, password, port)
 "
     validations:
       required: true

.github/workflows/codeql-analysis.yml

@@ -2,7 +2,8 @@ name: CodeQL
 
 on:
   push:
-    branches: [ rm ]
+    branches: [master, dev]
+
 jobs:
   analyze:
     name: Analyze
@@ -18,12 +19,12 @@ jobs:
       uses: actions/checkout@v3
 
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v1
+      uses: github/codeql-action/init@v2
       with:
         languages: ${{ matrix.language }}
 
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v1
+      uses: github/codeql-action/autobuild@v2
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v1
+      uses: github/codeql-action/analyze@v2

.github/workflows/docker.yml

@@ -2,8 +2,9 @@ name: Publish Docker Image
 on:
   push:
     branches:
-      - rm
-
+      - dev
+    tags:
+      - '*'
 jobs:
 
   build:
@@ -17,24 +18,24 @@ jobs:
           fetch-depth: 0
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v2
         with:
           platforms: all
 
       - name: Set up docker buildx
         id: buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
         with:
           version: latest
 
       - name: Login to DockerHub
-        uses: docker/login-action@v1
+        uses: docker/login-action@v2
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       
       - name: Login to Github Package
-        uses: docker/login-action@v1
+        uses: docker/login-action@v2
         with:
           registry: ghcr.io
           username: Dreamacro
@@ -42,7 +43,7 @@ jobs:
 
       - name: Build dev branch and push
         if: github.ref == 'refs/heads/dev'
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v3
         with:
           context: .
           platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
@@ -69,7 +70,7 @@ jobs:
 
       - name: Build release and push
         if: startsWith(github.ref, 'refs/tags/')
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v3
         with:
           context: .
           platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64

.github/workflows/linter.yml

@@ -6,15 +6,11 @@ jobs:
     steps:
       - 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
+        uses: actions/setup-go@v3
         with:
-          go-version: ${{ steps.version.outputs.go_version }}
+          check-latest: true
+          go-version: '1.19'
 
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3

.github/workflows/release.yml

@@ -4,31 +4,21 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - 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
+        uses: actions/setup-go@v3
         with:
-          go-version: ${{ steps.version.outputs.go_version }}
+          check-latest: true
+          go-version: '1.19'
 
       - name: Check out code into the Go module directory
         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: |
-            ${{ steps.go-cache-paths.outputs.go-mod }}
-            ${{ steps.go-cache-paths.outputs.go-build }}
+            ~/go/pkg/mod
+            ~/.cache/go-build
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
           restore-keys: |
             ${{ runner.os }}-go-
@@ -44,30 +34,9 @@ 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

@@ -2,9 +2,8 @@
 name: Mark stale issues and pull requests
 
 on:
-  push:
-    branches:
-      - rm
+  schedule:
+    - cron: "30 1 * * *"
 
 jobs:
   stale:

.golangci.yaml

@@ -8,9 +8,10 @@ linters:
 
 linters-settings:
   gci:
+    custom-order: true
     sections:
       - standard
       - prefix(github.com/Dreamacro/clash)
       - default
   staticcheck:
-    go: '1.18'
+    go: '1.19'

Makefile

@@ -1,6 +1,6 @@
 NAME=clash
 BINDIR=bin
-VERSION=$(shell git describe --tags --always 2>/dev/null || echo "unknown version")
+VERSION=$(shell git describe --tags || 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)" \
@@ -129,9 +129,6 @@ all-arch: $(PLATFORM_LIST) $(WINDOWS_ARCH_LIST)
 
 releases: $(gz_releases) $(zip_releases)
 
-vet:
-	go test ./...
-
 lint:
 	GOOS=darwin golangci-lint run ./...
 	GOOS=windows golangci-lint run ./...
@@ -140,4 +137,4 @@ lint:
 	GOOS=openbsd golangci-lint run ./...
 
 clean:
-	rm -rf $(BINDIR)/*
+	rm $(BINDIR)/*

README.md

@@ -32,338 +32,17 @@
 - 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).
 
-## 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)
+## Premium Release
+[Release](https://github.com/Dreamacro/clash/releases/tag/premium)
 
 ## 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

@@ -6,7 +6,6 @@ import (
 	"fmt"
 	"net"
 	"net/http"
-	"net/netip"
 	"net/url"
 	"time"
 
@@ -19,7 +18,7 @@ import (
 
 type Proxy struct {
 	C.ProxyAdapter
-	history *queue.Queue[C.DelayHistory]
+	history *queue.Queue
 	alive   *atomic.Bool
 }
 
@@ -58,10 +57,10 @@ func (p *Proxy) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 
 // DelayHistory implements C.Proxy
 func (p *Proxy) DelayHistory() []C.DelayHistory {
-	queueM := p.history.Copy()
+	queue := p.history.Copy()
 	histories := []C.DelayHistory{}
-	for _, item := range queueM {
-		histories = append(histories, item)
+	for _, item := range queue {
+		histories = append(histories, item.(C.DelayHistory))
 	}
 	return histories
 }
@@ -74,7 +73,11 @@ func (p *Proxy) LastDelay() (delay uint16) {
 		return max
 	}
 
-	history := p.history.Last()
+	last := p.history.Last()
+	if last == nil {
+		return max
+	}
+	history := last.(C.DelayHistory)
 	if history.Delay == 0 {
 		return max
 	}
@@ -89,7 +92,7 @@ func (p *Proxy) MarshalJSON() ([]byte, error) {
 	}
 
 	mapping := map[string]any{}
-	_ = json.Unmarshal(inner, &mapping)
+	json.Unmarshal(inner, &mapping)
 	mapping["history"] = p.DelayHistory()
 	mapping["name"] = p.Name()
 	mapping["udp"] = p.SupportUDP()
@@ -121,9 +124,7 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
 	if err != nil {
 		return
 	}
-	defer func() {
-		_ = instance.Close()
-	}()
+	defer instance.Close()
 
 	req, err := http.NewRequest(http.MethodHead, url, nil)
 	if err != nil {
@@ -132,7 +133,7 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
 	req = req.WithContext(ctx)
 
 	transport := &http.Transport{
-		DialContext: func(context.Context, string, string) (net.Conn, error) {
+		Dial: func(string, string) (net.Conn, error) {
 			return instance, nil
 		},
 		// from http.DefaultTransport
@@ -154,13 +155,13 @@ 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[C.DelayHistory](10), atomic.NewBool(true)}
+	return &Proxy{adapter, queue.New(10), atomic.NewBool(true)}
 }
 
 func urlToMetadata(rawURL string) (addr C.Metadata, err error) {
@@ -183,10 +184,9 @@ func urlToMetadata(rawURL string) (addr C.Metadata, err error) {
 	}
 
 	addr = C.Metadata{
-		AddrType: C.AtypDomainName,
-		Host:     u.Hostname(),
-		DstIP:    netip.Addr{},
-		DstPort:  port,
+		Host:    u.Hostname(),
+		DstIP:   nil,
+		DstPort: port,
 	}
 	return
 }

adapter/inbound/mitm.go

@@ -1,22 +0,0 @@
-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

@@ -3,19 +3,15 @@ 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"
 )
 
 func parseSocksAddr(target socks5.Addr) *C.Metadata {
-	metadata := &C.Metadata{
-		AddrType: int(target[0]),
-	}
+	metadata := &C.Metadata{}
 
 	switch target[0] {
 	case socks5.AtypDomainName:
@@ -23,10 +19,12 @@ 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:
-		metadata.DstIP = nnip.IpToAddr(net.IP(target[1 : 1+net.IPv4len]))
+		ip := net.IP(target[1 : 1+net.IPv4len])
+		metadata.DstIP = ip
 		metadata.DstPort = strconv.Itoa((int(target[1+net.IPv4len]) << 8) | int(target[1+net.IPv4len+1]))
 	case socks5.AtypIPv6:
-		metadata.DstIP = nnip.IpToAddr(net.IP(target[1 : 1+net.IPv6len]))
+		ip := net.IP(target[1 : 1+net.IPv6len])
+		metadata.DstIP = ip
 		metadata.DstPort = strconv.Itoa((int(target[1+net.IPv6len]) << 8) | int(target[1+net.IPv6len+1]))
 	}
 
@@ -44,33 +42,25 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
 	host = strings.TrimRight(host, ".")
 
 	metadata := &C.Metadata{
-		NetWork:  C.TCP,
-		AddrType: C.AtypDomainName,
-		Host:     host,
-		DstIP:    netip.Addr{},
-		DstPort:  port,
+		NetWork: C.TCP,
+		Host:    host,
+		DstIP:   nil,
+		DstPort: port,
 	}
 
-	ip, err := netip.ParseAddr(host)
-	if err == nil {
-		switch {
-		case ip.Is6():
-			metadata.AddrType = C.AtypIPv6
-		default:
-			metadata.AddrType = C.AtypIPv4
-		}
+	if ip := net.ParseIP(host); ip != nil {
 		metadata.DstIP = ip
 	}
 
 	return metadata
 }
 
-func parseAddr(addr string) (netip.Addr, string, error) {
+func parseAddr(addr string) (net.IP, string, error) {
 	host, port, err := net.SplitHostPort(addr)
 	if err != nil {
-		return netip.Addr{}, "", err
+		return nil, "", err
 	}
 
-	ip, err := netip.ParseAddr(host)
-	return ip, port, err
+	ip := net.ParseIP(host)
+	return ip, port, nil
 }

adapter/outbound/base.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
-	"io"
 	"net"
 
 	"github.com/Dreamacro/clash/component/dialer"
@@ -31,17 +30,12 @@ func (b *Base) Type() C.AdapterType {
 }
 
 // StreamConn implements C.ProxyAdapter
-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) {
+func (b *Base) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	return c, errors.New("no support")
 }
 
 // ListenPacketContext implements C.ProxyAdapter
-func (b *Base) ListenPacketContext(_ context.Context, _ *C.Metadata, _ ...dialer.Option) (C.PacketConn, error) {
+func (b *Base) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
 	return nil, errors.New("no support")
 }
 
@@ -63,7 +57,7 @@ func (b *Base) Addr() string {
 }
 
 // Unwrap implements C.ProxyAdapter
-func (b *Base) Unwrap(_ *C.Metadata) C.Proxy {
+func (b *Base) Unwrap(metadata *C.Metadata) C.Proxy {
 	return nil
 }
 
@@ -139,40 +133,6 @@ 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

@@ -3,7 +3,6 @@ package outbound
 import (
 	"context"
 	"net"
-	"net/netip"
 
 	"github.com/Dreamacro/clash/component/dialer"
 	C "github.com/Dreamacro/clash/constant"
@@ -15,31 +14,21 @@ 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.DstIP.IsValid() && 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, _ *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
-	opts = append(opts, dialer.WithDirect())
+func (d *Direct) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
 	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

@@ -40,7 +40,9 @@ type HttpOption struct {
 func (h *Http) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	if h.tlsConfig != nil {
 		cc := tls.Client(c, h.tlsConfig)
-		err := cc.Handshake()
+		ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTLSTimeout)
+		defer cancel()
+		err := cc.HandshakeContext(ctx)
 		c = cc
 		if err != nil {
 			return nil, fmt.Errorf("%s connect error: %w", h.addr, err)
@@ -89,10 +91,6 @@ 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
 	}

adapter/outbound/mitm.go

@@ -1,49 +0,0 @@
-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)
-
-	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

@@ -6,49 +6,22 @@ import (
 	"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) {
-	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 NewPacketConn(&nopPacketConn{}, r), nil
+	return newPacketConn(&nopPacketConn{}, r), nil
 }
 
 func NewReject() *Reject {

adapter/outbound/shadowsocks.go

@@ -73,21 +73,6 @@ 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...)...)
@@ -109,13 +94,14 @@ func (ss *ShadowSocks) ListenPacketContext(ctx context.Context, metadata *C.Meta
 		return nil, err
 	}
 
-	c, err := ss.StreamPacketConn(WrapConn(pc), metadata)
+	addr, err := resolveUDPAddr("udp", ss.addr)
 	if err != nil {
-		_ = pc.Close()
+		pc.Close()
 		return nil, err
 	}
 
-	return NewPacketConn(c.(net.PacketConn), ss), nil
+	pc = ss.cipher.PacketConn(pc)
+	return newPacketConn(&ssPacketConn{PacketConn: pc, rAddr: addr}, ss), nil
 }
 
 func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {

adapter/outbound/shadowsocksr.go

@@ -58,22 +58,6 @@ 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...)...)
@@ -95,13 +79,15 @@ func (ssr *ShadowSocksR) ListenPacketContext(ctx context.Context, metadata *C.Me
 		return nil, err
 	}
 
-	c, err := ssr.StreamPacketConn(WrapConn(pc), metadata)
+	addr, err := resolveUDPAddr("udp", ssr.addr)
 	if err != nil {
-		_ = pc.Close()
+		pc.Close()
 		return nil, err
 	}
 
-	return NewPacketConn(c.(net.PacketConn), ssr), nil
+	pc = ssr.cipher.PacketConn(pc)
+	pc = ssr.protocol.PacketConn(pc)
+	return newPacketConn(&ssPacketConn{PacketConn: pc, rAddr: addr}, ssr), nil
 }
 
 func NewShadowSocksR(option ShadowSocksROption) (*ShadowSocksR, error) {

adapter/outbound/snell.go

@@ -58,18 +58,6 @@ func (s *Snell) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 	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 {
@@ -80,7 +68,7 @@ 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
@@ -105,14 +93,15 @@ func (s *Snell) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
 		return nil, err
 	}
 	tcpKeepAlive(c)
+	c = streamConn(c, streamOption{s.psk, s.version, s.addr, s.obfsOption})
 
-	pc, err := s.StreamPacketConn(c, metadata)
+	err = snell.WriteUDPHeader(c, s.version)
 	if err != nil {
-		_ = c.Close()
 		return nil, err
 	}
 
-	return NewPacketConn(pc.(net.PacketConn), s), nil
+	pc := snell.PacketConn(c)
+	return newPacketConn(pc, s), nil
 }
 
 func NewSnell(option SnellOption) (*Snell, error) {

adapter/outbound/socks5.go

@@ -37,59 +37,14 @@ 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()
+		ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTLSTimeout)
+		defer cancel()
+		err := cc.HandshakeContext(ctx)
 		c = cc
 		if err != nil {
-			return c, nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
+			return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
 		}
 	}
 
@@ -100,14 +55,10 @@ func (ss *Socks5) streamConn(c net.Conn, metadata *C.Metadata) (_ net.Conn, bind
 			Password: ss.pass,
 		}
 	}
-
-	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)
+	if _, err := socks5.ClientHandshake(c, serializesSocksAddr(metadata), socks5.CmdConnect, user); err != nil {
+		return nil, err
 	}
-
-	return c, bindAddr, err
+	return c, nil
 }
 
 // DialContext implements C.ProxyAdapter
@@ -132,24 +83,63 @@ 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 {
-		return nil, fmt.Errorf("%s connect error: %w", ss.addr, err)
+		err = fmt.Errorf("%s connect error: %w", ss.addr, err)
+		return
+	}
+
+	if ss.tls {
+		cc := tls.Client(c, ss.tlsConfig)
+		ctx, cancel := context.WithTimeout(context.Background(), C.DefaultTLSTimeout)
+		defer cancel()
+		err = cc.HandshakeContext(ctx)
+		c = cc
 	}
 
 	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
 	}
 
-	tcpKeepAlive(c)
+	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()
+	}()
 
-	pc, err = ss.StreamSocks5PacketConn(c, pc, metadata)
-	if err != nil {
+	// Support unspecified UDP bind address.
+	bindUDPAddr := bindAddr.UDPAddr()
+	if bindUDPAddr == nil {
+		err = errors.New("invalid UDP bind address")
 		return
+	} else if bindUDPAddr.IP.IsUnspecified() {
+		serverAddr, err := resolveUDPAddr("udp", ss.Addr())
+		if err != nil {
+			return nil, err
+		}
+
+		bindUDPAddr.IP = serverAddr.IP
 	}
 
-	return NewPacketConn(pc, ss), nil
+	return newPacketConn(&socksPacketConn{PacketConn: pc, rAddr: bindUDPAddr, tcpConn: c}, ss), nil
 }
 
 func NewSocks5(option Socks5Option) *Socks5 {
@@ -213,6 +203,6 @@ 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

@@ -12,7 +12,6 @@ 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"
 )
@@ -41,8 +40,6 @@ 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) {
@@ -72,7 +69,8 @@ func (t *Trojan) plainStream(c net.Conn) (net.Conn, error) {
 	return t.instance.StreamConn(c)
 }
 
-func (t *Trojan) trojanStream(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
+// StreamConn implements C.ProxyAdapter
+func (t *Trojan) StreamConn(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)
@@ -84,63 +82,28 @@ func (t *Trojan) trojanStream(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)
-		if err != nil {
-			return nil, err
-		}
-
-		defer safeConnClose(c, err)
-
-		c, err = t.instance.PrepareXTLSConn(c)
+		c, err := gun.StreamGunWithTransport(t.transport, t.gunConfig)
 		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)
 	}
@@ -160,44 +123,33 @@ 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
 
-	// gun transport
+	// grpc transport
 	if t.transport != nil && len(opts) == 0 {
 		c, err = gun.StreamGunWithTransport(t.transport, t.gunConfig)
 		if err != nil {
-			return nil, err
+			return nil, fmt.Errorf("%s connect error: %w", t.addr, err)
 		}
-
 		defer safeConnClose(c, err)
-
-		c, err = t.instance.PrepareXTLSConn(c)
+	} else {
+		c, err = dialer.DialContext(ctx, "tcp", t.addr, t.Base.DialOptions(opts...)...)
 		if err != nil {
-			return nil, err
+			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
+		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)
 		}
-
-		pc := t.instance.PacketConn(c)
-
-		return NewPacketConn(pc, t), nil
 	}
 
-	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)
+	err = t.instance.WriteHeader(c, trojan.CommandUDP, serializesSocksAddr(metadata))
 	if err != nil {
 		return nil, err
 	}
 
-	return NewPacketConn(c.(net.PacketConn), t), nil
+	pc := t.instance.PacketConn(c)
+	return newPacketConn(pc, t), err
 }
 
 func NewTrojan(option TrojanOption) (*Trojan, error) {
@@ -208,17 +160,6 @@ 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 != "" {
@@ -255,12 +196,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
 			ServerName:         tOption.ServerName,
 		}
 
-		if t.option.Flow != "" {
-			t.transport = gun.NewHTTP2XTLSClient(dialFn, tlsConfig)
-		} else {
-			t.transport = gun.NewHTTP2Client(dialFn, tlsConfig)
-		}
-
+		t.transport = gun.NewHTTP2Client(dialFn, tlsConfig)
 		t.gunTLSConfig = tlsConfig
 		t.gunConfig = &gun.Config{
 			ServiceName: option.GrpcOpts.GrpcServiceName,

adapter/outbound/util.go

@@ -13,26 +13,27 @@ 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)
 	}
 }
 
 func serializesSocksAddr(metadata *C.Metadata) []byte {
 	var buf [][]byte
-	aType := uint8(metadata.AddrType)
+	addrType := metadata.AddrType()
+	aType := uint8(addrType)
 	p, _ := strconv.ParseUint(metadata.DstPort, 10, 16)
 	port := []byte{uint8(p >> 8), uint8(p & 0xff)}
-	switch metadata.AddrType {
+	switch addrType {
 	case socks5.AtypDomainName:
-		lenM := uint8(len(metadata.Host))
+		len := uint8(len(metadata.Host))
 		host := []byte(metadata.Host)
-		buf = [][]byte{{aType, lenM}, host, port}
+		buf = [][]byte{{aType, len}, host, port}
 	case socks5.AtypIPv4:
-		host := metadata.DstIP.AsSlice()
+		host := metadata.DstIP.To4()
 		buf = [][]byte{{aType}, host, port}
 	case socks5.AtypIPv6:
-		host := metadata.DstIP.AsSlice()
+		host := metadata.DstIP.To16()
 		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.ResolveProxyServerHost(host)
+	ip, err := resolver.ResolveIP(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 != nil {
-		_ = c.Close()
+	if err != nil {
+		c.Close()
 	}
 }

adapter/outbound/vless.go

@@ -1,476 +0,0 @@
-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.ResolveIP(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.ResolveIP(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

@@ -3,17 +3,18 @@ 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"
 	"github.com/Dreamacro/clash/transport/gun"
+	"github.com/Dreamacro/clash/transport/socks5"
 	"github.com/Dreamacro/clash/transport/vmess"
 
 	"golang.org/x/net/http2"
@@ -47,10 +48,6 @@ type VmessOption struct {
 	HTTP2Opts      HTTP2Options `proxy:"h2-opts,omitempty"`
 	GrpcOpts       GrpcOptions  `proxy:"grpc-opts,omitempty"`
 	WSOpts         WSOptions    `proxy:"ws-opts,omitempty"`
-
-	// TODO: compatible with VMESS WS older version configurations
-	WSHeaders map[string]string `proxy:"ws-headers,omitempty"`
-	WSPath    string            `proxy:"ws-path,omitempty"`
 }
 
 type HTTPOptions struct {
@@ -80,13 +77,6 @@ func (v *Vmess) 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,
@@ -116,9 +106,6 @@ 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 {
-			wsOpts.Headers.Set("Host", convert.RandHost())
-			convert.SetUserAgent(wsOpts.Headers)
 		}
 		c, err = vmess.StreamWebsocketConn(c, wsOpts)
 	case "http":
@@ -138,9 +125,6 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
 			if err != nil {
 				return nil, err
 			}
-		} else {
-			http.Header(v.option.HTTPOpts.Headers).Set("Host", convert.RandHost())
-			convert.SetUserAgent(v.option.HTTPOpts.Headers)
 		}
 
 		host, _, _ := net.SplitHostPort(v.addr)
@@ -201,26 +185,6 @@ 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.ResolveIP(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
@@ -252,18 +216,18 @@ 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.ResolveIP(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
@@ -271,27 +235,22 @@ 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("new vmess client error: %v", err)
+			return nil, fmt.Errorf("%s connect error: %s", v.addr, err.Error())
 		}
+		tcpKeepAlive(c)
+		defer safeConnClose(c, err)
 
-		return NewPacketConn(&vmessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}, v), nil
+		c, err = v.StreamConn(c, metadata)
 	}
 
-	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(c.(net.PacketConn), v), nil
+	return newPacketConn(&vmessPacketConn{Conn: c, rAddr: metadata.UDPAddr()}, v), nil
 }
 
 func NewVmess(option VmessOption) (*Vmess, error) {
@@ -369,16 +328,16 @@ func NewVmess(option VmessOption) (*Vmess, error) {
 func parseVmessAddr(metadata *C.Metadata) *vmess.DstAddr {
 	var addrType byte
 	var addr []byte
-	switch metadata.AddrType {
-	case C.AtypIPv4:
+	switch metadata.AddrType() {
+	case socks5.AtypIPv4:
 		addrType = byte(vmess.AtypIPv4)
 		addr = make([]byte, net.IPv4len)
-		copy(addr[:], metadata.DstIP.AsSlice())
-	case C.AtypIPv6:
+		copy(addr[:], metadata.DstIP.To4())
+	case socks5.AtypIPv6:
 		addrType = byte(vmess.AtypIPv6)
 		addr = make([]byte, net.IPv6len)
-		copy(addr[:], metadata.DstIP.AsSlice())
-	case C.AtypDomainName:
+		copy(addr[:], metadata.DstIP.To16())
+	case socks5.AtypDomainName:
 		addrType = byte(vmess.AtypDomainName)
 		addr = make([]byte, len(metadata.Host)+1)
 		addr[0] = byte(len(metadata.Host))
@@ -399,7 +358,7 @@ type vmessPacketConn struct {
 	rAddr net.Addr
 }
 
-func (uc *vmessPacketConn) WriteTo(b []byte, _ net.Addr) (int, error) {
+func (uc *vmessPacketConn) WriteTo(b []byte, addr net.Addr) (int, error) {
 	return uc.Conn.Write(b)
 }
 

adapter/outboundgroup/fallback.go

@@ -14,7 +14,7 @@ import (
 type Fallback struct {
 	*outbound.Base
 	disableUDP bool
-	single     *singledo.Single[[]C.Proxy]
+	single     *singledo.Single
 	providers  []provider.ProxyProvider
 }
 
@@ -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() ([]C.Proxy, error) {
+	elm, _, _ := f.single.Do(func() (any, error) {
 		return getProvidersProxies(f.providers, touch), nil
 	})
 
-	return elm
+	return elm.([]C.Proxy)
 }
 
 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[[]C.Proxy](defaultGetProxiesDuration),
+		single:     singledo.NewSingle(defaultGetProxiesDuration),
 		providers:  providers,
 		disableUDP: option.DisableUDP,
 	}

adapter/outboundgroup/loadbalance.go

@@ -22,7 +22,7 @@ type strategyFn = func(proxies []C.Proxy, metadata *C.Metadata) C.Proxy
 type LoadBalance struct {
 	*outbound.Base
 	disableUDP bool
-	single     *singledo.Single[[]C.Proxy]
+	single     *singledo.Single
 	providers  []provider.ProxyProvider
 	strategyFn strategyFn
 }
@@ -30,10 +30,8 @@ type LoadBalance struct {
 var errStrategy = errors.New("unsupported strategy")
 
 func parseStrategy(config map[string]any) string {
-	if elm, ok := config["strategy"]; ok {
-		if strategy, ok := elm.(string); ok {
-			return strategy
-		}
+	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.IsValid() {
+	if metadata.DstIP == nil {
 		return ""
 	}
 
@@ -129,6 +127,13 @@ func strategyConsistentHashing() strategyFn {
 			}
 		}
 
+		// when availability is poor, traverse the entire list to get the available nodes
+		for _, proxy := range proxies {
+			if proxy.Alive() {
+				return proxy
+			}
+		}
+
 		return proxies[0]
 	}
 }
@@ -140,11 +145,11 @@ func (lb *LoadBalance) Unwrap(metadata *C.Metadata) C.Proxy {
 }
 
 func (lb *LoadBalance) proxies(touch bool) []C.Proxy {
-	elm, _, _ := lb.single.Do(func() ([]C.Proxy, error) {
+	elm, _, _ := lb.single.Do(func() (any, error) {
 		return getProvidersProxies(lb.providers, touch), nil
 	})
 
-	return elm
+	return elm.([]C.Proxy)
 }
 
 // MarshalJSON implements C.ProxyAdapter
@@ -176,7 +181,7 @@ func NewLoadBalance(option *GroupCommonOption, providers []provider.ProxyProvide
 			Interface:   option.Interface,
 			RoutingMark: option.RoutingMark,
 		}),
-		single:     singledo.NewSingle[[]C.Proxy](defaultGetProxiesDuration),
+		single:     singledo.NewSingle(defaultGetProxiesDuration),
 		providers:  providers,
 		strategyFn: strategyFn,
 		disableUDP: option.DisableUDP,

adapter/outboundgroup/parser.go

@@ -3,7 +3,6 @@ package outboundgroup
 import (
 	"errors"
 	"fmt"
-	"regexp"
 
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/adapter/provider"
@@ -30,7 +29,6 @@ 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]any, proxyMap map[string]C.Proxy, providersMap map[string]types.ProxyProvider) (C.ProxyAdapter, error) {
@@ -39,23 +37,10 @@ func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, provide
 	groupOption := &GroupCommonOption{
 		Lazy: true,
 	}
-
-	var (
-		filterRegx *regexp.Regexp
-		err        error
-	)
-
-	if err = decoder.Decode(config, groupOption); err != nil {
+	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
 	}
@@ -105,7 +90,7 @@ func ParseProxyGroup(config map[string]any, proxyMap map[string]C.Proxy, provide
 	}
 
 	if len(groupOption.Use) != 0 {
-		list, err := getProviders(providersMap, groupOption, filterRegx)
+		list, err := getProviders(providersMap, groupOption.Use)
 		if err != nil {
 			return nil, err
 		}
@@ -145,13 +130,8 @@ func getProxies(mapping map[string]C.Proxy, list []string) ([]C.Proxy, error) {
 	return ps, nil
 }
 
-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
-	)
-
+func getProviders(mapping map[string]types.ProxyProvider, list []string) ([]types.ProxyProvider, error) {
+	var ps []types.ProxyProvider
 	for _, name := range list {
 		p, ok := mapping[name]
 		if !ok {
@@ -161,27 +141,6 @@ func getProviders(mapping map[string]types.ProxyProvider, groupOption *GroupComm
 		if p.VehicleType() == types.Compatible {
 			return nil, fmt.Errorf("proxy group %s can't contains in `use`", name)
 		}
-
-		if filterRegx != nil {
-			var hc *provider.HealthCheck
-			if groupOption.Type == "select" || groupOption.Type == "relay" {
-				hc = provider.NewHealthCheck([]C.Proxy{}, "", 0, true)
-			} else {
-				if groupOption.URL == "" || groupOption.Interval == 0 {
-					return nil, errMissHealthCheck
-				}
-				hc = provider.NewHealthCheck([]C.Proxy{}, groupOption.URL, uint(groupOption.Interval), groupOption.Lazy)
-			}
-
-			if _, ok = mapping[groupName]; ok {
-				groupName += "->" + p.Name()
-			}
-
-			pd := p.(*provider.ProxySetProvider)
-			p = provider.NewProxyFilterProvider(groupName, pd, hc, filterRegx)
-			pd.RegisterProvidersInUse(p)
-		}
-
 		ps = append(ps, p)
 	}
 	return ps, nil

adapter/outboundgroup/relay.go

@@ -4,21 +4,17 @@ 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[[]C.Proxy]
+	single    *singledo.Single
 	providers []provider.ProxyProvider
 }
 
@@ -38,12 +34,30 @@ func (r *Relay) DialContext(ctx context.Context, metadata *C.Metadata, opts ...d
 		return proxies[0].DialContext(ctx, metadata, r.Base.DialOptions(opts...)...)
 	}
 
-	c, err := r.streamContext(ctx, proxies, r.Base.DialOptions(opts...)...)
+	first := proxies[0]
+	last := proxies[len(proxies)-1]
+
+	c, err := dialer.DialContext(ctx, "tcp", first.Addr(), r.Base.DialOptions(opts...)...)
 	if err != nil {
-		return nil, err
+		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
 	}
 
-	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)
@@ -52,147 +66,6 @@ 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
@@ -206,11 +79,11 @@ func (r *Relay) MarshalJSON() ([]byte, error) {
 }
 
 func (r *Relay) rawProxies(touch bool) []C.Proxy {
-	elm, _, _ := r.single.Do(func() ([]C.Proxy, error) {
+	elm, _, _ := r.single.Do(func() (any, error) {
 		return getProvidersProxies(r.providers, touch), nil
 	})
 
-	return elm
+	return elm.([]C.Proxy)
 }
 
 func (r *Relay) proxies(metadata *C.Metadata, touch bool) []C.Proxy {
@@ -227,83 +100,6 @@ 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{
@@ -312,7 +108,7 @@ func NewRelay(option *GroupCommonOption, providers []provider.ProxyProvider) *Re
 			Interface:   option.Interface,
 			RoutingMark: option.RoutingMark,
 		}),
-		single:    singledo.NewSingle[[]C.Proxy](defaultGetProxiesDuration),
+		single:    singledo.NewSingle(defaultGetProxiesDuration),
 		providers: providers,
 	}
 }

adapter/outboundgroup/selector.go

@@ -15,7 +15,7 @@ import (
 type Selector struct {
 	*outbound.Base
 	disableUDP bool
-	single     *singledo.Single[C.Proxy]
+	single     *singledo.Single
 	selected   string
 	providers  []provider.ProxyProvider
 }
@@ -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() (C.Proxy, error) {
+	elm, _, _ := s.single.Do(func() (any, error) {
 		proxies := getProvidersProxies(s.providers, touch)
 		for _, proxy := range proxies {
 			if proxy.Name() == s.selected {
@@ -94,7 +94,7 @@ func (s *Selector) selectedProxy(touch bool) C.Proxy {
 		return proxies[0], nil
 	})
 
-	return elm
+	return elm.(C.Proxy)
 }
 
 func NewSelector(option *GroupCommonOption, providers []provider.ProxyProvider) *Selector {
@@ -106,7 +106,7 @@ func NewSelector(option *GroupCommonOption, providers []provider.ProxyProvider)
 			Interface:   option.Interface,
 			RoutingMark: option.RoutingMark,
 		}),
-		single:     singledo.NewSingle[C.Proxy](defaultGetProxiesDuration),
+		single:     singledo.NewSingle(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[[]C.Proxy]
-	fastSingle *singledo.Single[C.Proxy]
+	single     *singledo.Single
+	fastSingle *singledo.Single
 	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() ([]C.Proxy, error) {
+	elm, _, _ := u.single.Do(func() (any, error) {
 		return getProvidersProxies(u.providers, touch), nil
 	})
 
-	return elm
+	return elm.([]C.Proxy)
 }
 
 func (u *URLTest) fast(touch bool) C.Proxy {
-	elm, _, _ := u.fastSingle.Do(func() (C.Proxy, error) {
+	elm, _, _ := u.fastSingle.Do(func() (any, 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
+	return elm.(C.Proxy)
 }
 
 // SupportUDP implements C.ProxyAdapter
@@ -125,10 +125,8 @@ 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[[]C.Proxy](defaultGetProxiesDuration),
-		fastSingle: singledo.NewSingle[C.Proxy](time.Second * 10),
+		single:     singledo.NewSingle(defaultGetProxiesDuration),
+		fastSingle: singledo.NewSingle(time.Second * 10),
 		providers:  providers,
 		disableUDP: option.DisableUDP,
 	}

adapter/outboundgroup/util.go

@@ -3,7 +3,6 @@ package outboundgroup
 import (
 	"fmt"
 	"net"
-	"net/netip"
 	"time"
 
 	C "github.com/Dreamacro/clash/constant"
@@ -16,37 +15,34 @@ func addrToMetadata(rawAddress string) (addr *C.Metadata, err error) {
 		return
 	}
 
-	ip, err := netip.ParseAddr(host)
-	if err != nil {
+	ip := net.ParseIP(host)
+	if ip == nil {
 		addr = &C.Metadata{
-			AddrType: C.AtypDomainName,
-			Host:     host,
-			DstIP:    netip.Addr{},
-			DstPort:  port,
+			Host:    host,
+			DstIP:   nil,
+			DstPort: port,
 		}
-		return addr, nil
-	} else if ip.Is4() {
+		return
+	} else if ip4 := ip.To4(); ip4 != nil {
 		addr = &C.Metadata{
-			AddrType: C.AtypIPv4,
-			Host:     "",
-			DstIP:    ip,
-			DstPort:  port,
+			Host:    "",
+			DstIP:   ip4,
+			DstPort: port,
 		}
 		return
 	}
 
 	addr = &C.Metadata{
-		AddrType: C.AtypIPv6,
-		Host:     "",
-		DstIP:    ip,
-		DstPort:  port,
+		Host:    "",
+		DstIP:   ip,
+		DstPort: port,
 	}
 	return
 }
 
 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)
 	}
 }

adapter/parser.go

@@ -8,7 +8,7 @@ import (
 	C "github.com/Dreamacro/clash/constant"
 )
 
-func ParseProxy(mapping map[string]any, forceCertVerify bool) (C.Proxy, error) {
+func ParseProxy(mapping map[string]any) (C.Proxy, error) {
 	decoder := structure.NewDecoder(structure.Option{TagName: "proxy", WeaklyTypedInput: true})
 	proxyType, existType := mapping["type"].(string)
 	if !existType {
@@ -40,9 +40,6 @@ func ParseProxy(mapping map[string]any, forceCertVerify bool) (C.Proxy, error) {
 		if err != nil {
 			break
 		}
-		if forceCertVerify {
-			socksOption.SkipCertVerify = false
-		}
 		proxy = outbound.NewSocks5(*socksOption)
 	case "http":
 		httpOption := &outbound.HttpOption{}
@@ -50,9 +47,6 @@ func ParseProxy(mapping map[string]any, forceCertVerify bool) (C.Proxy, error) {
 		if err != nil {
 			break
 		}
-		if forceCertVerify {
-			httpOption.SkipCertVerify = false
-		}
 		proxy = outbound.NewHttp(*httpOption)
 	case "vmess":
 		vmessOption := &outbound.VmessOption{
@@ -65,20 +59,7 @@ func ParseProxy(mapping map[string]any, forceCertVerify bool) (C.Proxy, error) {
 		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)
@@ -92,9 +73,6 @@ func ParseProxy(mapping map[string]any, forceCertVerify bool) (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

@@ -16,28 +16,28 @@ var (
 	dirMode  os.FileMode = 0o755
 )
 
-type parser[V any] func([]byte) (V, error)
+type parser = func([]byte) (any, error)
 
-type fetcher[V any] struct {
+type fetcher struct {
 	name      string
 	vehicle   types.Vehicle
 	updatedAt *time.Time
 	ticker    *time.Ticker
 	done      chan struct{}
 	hash      [16]byte
-	parser    parser[V]
-	onUpdate  func(V)
+	parser    parser
+	onUpdate  func(any)
 }
 
-func (f *fetcher[V]) Name() string {
+func (f *fetcher) Name() string {
 	return f.name
 }
 
-func (f *fetcher[V]) VehicleType() types.VehicleType {
+func (f *fetcher) VehicleType() types.VehicleType {
 	return f.vehicle.Type()
 }
 
-func (f *fetcher[V]) Initial() (V, error) {
+func (f *fetcher) Initial() (any, error) {
 	var (
 		buf     []byte
 		err     error
@@ -53,24 +53,24 @@ func (f *fetcher[V]) Initial() (V, error) {
 	}
 
 	if err != nil {
-		return getZero[V](), err
+		return nil, err
 	}
 
 	proxies, err := f.parser(buf)
 	if err != nil {
 		if !isLocal {
-			return getZero[V](), err
+			return nil, err
 		}
 
 		// parse local file error, fallback to remote
 		buf, err = f.vehicle.Read()
 		if err != nil {
-			return getZero[V](), err
+			return nil, err
 		}
 
 		proxies, err = f.parser(buf)
 		if err != nil {
-			return getZero[V](), err
+			return nil, err
 		}
 
 		isLocal = false
@@ -78,7 +78,7 @@ func (f *fetcher[V]) Initial() (V, error) {
 
 	if f.vehicle.Type() != types.File && !isLocal {
 		if err := safeWrite(f.vehicle.Path(), buf); err != nil {
-			return getZero[V](), err
+			return nil, err
 		}
 	}
 
@@ -92,28 +92,28 @@ func (f *fetcher[V]) Initial() (V, error) {
 	return proxies, nil
 }
 
-func (f *fetcher[V]) Update() (V, bool, error) {
+func (f *fetcher) Update() (any, bool, error) {
 	buf, err := f.vehicle.Read()
 	if err != nil {
-		return getZero[V](), false, err
+		return nil, false, err
 	}
 
 	now := time.Now()
 	hash := md5.Sum(buf)
 	if bytes.Equal(f.hash[:], hash[:]) {
 		f.updatedAt = &now
-		_ = os.Chtimes(f.vehicle.Path(), now, now)
-		return getZero[V](), true, nil
+		os.Chtimes(f.vehicle.Path(), now, now)
+		return nil, true, nil
 	}
 
 	proxies, err := f.parser(buf)
 	if err != nil {
-		return getZero[V](), false, err
+		return nil, false, err
 	}
 
 	if f.vehicle.Type() != types.File {
 		if err := safeWrite(f.vehicle.Path(), buf); err != nil {
-			return getZero[V](), false, err
+			return nil, false, err
 		}
 	}
 
@@ -123,14 +123,14 @@ func (f *fetcher[V]) Update() (V, bool, error) {
 	return proxies, false, nil
 }
 
-func (f *fetcher[V]) Destroy() error {
+func (f *fetcher) Destroy() error {
 	if f.ticker != nil {
 		f.done <- struct{}{}
 	}
 	return nil
 }
 
-func (f *fetcher[V]) pullLoop() {
+func (f *fetcher) pullLoop() {
 	for {
 		select {
 		case <-f.ticker.C:
@@ -168,13 +168,13 @@ func safeWrite(path string, buf []byte) error {
 	return os.WriteFile(path, buf, fileMode)
 }
 
-func newFetcher[V any](name string, interval time.Duration, vehicle types.Vehicle, parser parser[V], onUpdate func(V)) *fetcher[V] {
+func newFetcher(name string, interval time.Duration, vehicle types.Vehicle, parser parser, onUpdate func(any)) *fetcher {
 	var ticker *time.Ticker
 	if interval != 0 {
 		ticker = time.NewTicker(interval)
 	}
 
-	return &fetcher[V]{
+	return &fetcher{
 		name:     name,
 		ticker:   ticker,
 		vehicle:  vehicle,
@@ -183,8 +183,3 @@ func newFetcher[V any](name string, interval time.Duration, vehicle types.Vehicl
 		onUpdate: onUpdate,
 	}
 }
-
-func getZero[V any]() V {
-	var result V
-	return result
-}

adapter/provider/healthcheck.go

@@ -31,13 +31,7 @@ type HealthCheck struct {
 func (hc *HealthCheck) process() {
 	ticker := time.NewTicker(time.Duration(hc.interval) * time.Second)
 
-	go func() {
-		t := time.NewTicker(30 * time.Second)
-		<-t.C
-		t.Stop()
-		hc.check()
-	}()
-
+	go hc.check()
 	for {
 		select {
 		case <-ticker.C:
@@ -65,19 +59,14 @@ func (hc *HealthCheck) touch() {
 }
 
 func (hc *HealthCheck) check() {
-	proxies := hc.proxies
-	if len(proxies) == 0 {
-		return
-	}
-
-	b, _ := batch.New[bool](context.Background(), batch.WithConcurrencyNum[bool](10))
-	for _, proxy := range proxies {
+	b, _ := batch.New(context.Background(), batch.WithConcurrencyNum(10))
+	for _, proxy := range hc.proxies {
 		p := proxy
-		b.Go(p.Name(), func() (bool, error) {
+		b.Go(p.Name(), func() (any, error) {
 			ctx, cancel := context.WithTimeout(context.Background(), defaultURLTestTimeout)
 			defer cancel()
-			_, _ = p.URLTest(ctx, hc.url)
-			return false, nil
+			p.URLTest(ctx, hc.url)
+			return nil, nil
 		})
 	}
 	b.Wait()

adapter/provider/parser.go

@@ -20,18 +20,15 @@ type healthCheckSchema struct {
 }
 
 type proxyProviderSchema struct {
-	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"`
+	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"`
 }
 
-func ParseProxyProvider(name string, mapping map[string]any, forceCertVerify bool) (types.ProxyProvider, error) {
+func ParseProxyProvider(name string, mapping map[string]any) (types.ProxyProvider, error) {
 	decoder := structure.NewDecoder(structure.Option{TagName: "provider", WeaklyTypedInput: true})
 
 	schema := &proxyProviderSchema{
@@ -39,11 +36,6 @@ func ParseProxyProvider(name string, mapping map[string]any, forceCertVerify boo
 			Lazy: true,
 		},
 	}
-
-	if forceCertVerify {
-		schema.ForceCertVerify = true
-	}
-
 	if err := decoder.Decode(mapping, schema); err != nil {
 		return nil, err
 	}
@@ -61,12 +53,12 @@ func ParseProxyProvider(name string, mapping map[string]any, forceCertVerify boo
 	case "file":
 		vehicle = NewFileVehicle(path)
 	case "http":
-		vehicle = NewHTTPVehicle(schema.URL, path, schema.Header)
+		vehicle = NewHTTPVehicle(schema.URL, path)
 	default:
 		return nil, fmt.Errorf("%w: %s", errVehicleType, schema.Type)
 	}
 
 	interval := time.Duration(uint(schema.Interval)) * time.Second
 	filter := schema.Filter
-	return NewProxySetProvider(name, interval, filter, vehicle, hc, schema.ForceCertVerify, schema.PrefixName)
+	return NewProxySetProvider(name, interval, filter, vehicle, hc)
 }

adapter/provider/provider.go

@@ -9,7 +9,6 @@ import (
 	"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"
 
@@ -24,16 +23,15 @@ type ProxySchema struct {
 	Proxies []map[string]any `yaml:"proxies"`
 }
 
-// ProxySetProvider for auto gc
+// for auto gc
 type ProxySetProvider struct {
 	*proxySetProvider
 }
 
 type proxySetProvider struct {
-	*fetcher[[]C.Proxy]
-	proxies        []C.Proxy
-	healthCheck    *HealthCheck
-	providersInUse []types.ProxyProvider
+	*fetcher
+	proxies     []C.Proxy
+	healthCheck *HealthCheck
 }
 
 func (pp *proxySetProvider) MarshalJSON() ([]byte, error) {
@@ -88,22 +86,17 @@ func (pp *proxySetProvider) ProxiesWithTouch() []C.Proxy {
 func (pp *proxySetProvider) setProxies(proxies []C.Proxy) {
 	pp.proxies = proxies
 	pp.healthCheck.setProxy(proxies)
-
-	for _, use := range pp.providersInUse {
-		_ = use.Update()
+	if pp.healthCheck.auto() {
+		go pp.healthCheck.check()
 	}
 }
 
-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, filter string, vehicle types.Vehicle, hc *HealthCheck, forceCertVerify bool, prefixName string) (*ProxySetProvider, error) {
+func NewProxySetProvider(name string, interval time.Duration, filter string, vehicle types.Vehicle, hc *HealthCheck) (*ProxySetProvider, error) {
 	filterReg, err := regexp.Compile(filter)
 	if err != nil {
 		return nil, fmt.Errorf("invalid filter regex: %w", err)
@@ -118,7 +111,45 @@ func NewProxySetProvider(name string, interval time.Duration, filter string, veh
 		healthCheck: hc,
 	}
 
-	fetcher := newFetcher[[]C.Proxy](name, interval, vehicle, proxiesParseAndFilter(filter, filterReg, forceCertVerify, prefixName), proxiesOnUpdate(pd))
+	onUpdate := func(elm any) {
+		ret := elm.([]C.Proxy)
+		pd.setProxies(ret)
+	}
+
+	proxiesParseAndFilter := func(buf []byte) (any, 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 {
+			if name, ok := mapping["name"].(string); ok && len(filter) > 0 && !filterReg.MatchString(name) {
+				continue
+			}
+			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 {
+			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
+	}
+
+	fetcher := newFetcher(name, interval, vehicle, proxiesParseAndFilter, onUpdate)
 	pd.fetcher = fetcher
 
 	wrapper := &ProxySetProvider{pd}
@@ -126,7 +157,7 @@ func NewProxySetProvider(name string, interval time.Duration, filter string, veh
 	return wrapper, nil
 }
 
-// CompatibleProvider for auto gc
+// for auto gc
 type CompatibleProvider struct {
 	*compatibleProvider
 }
@@ -202,145 +233,3 @@ 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 {
-	var 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)
-	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()
-
-	if hc.auto() {
-		go hc.process()
-	}
-
-	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 {
-			if name, ok := mapping["name"]; ok && len(filter) > 0 && !filterReg.MatchString(name.(string)) {
-				continue
-			}
-
-			if prefixName != "" {
-				mapping["name"] = prefixName + mapping["name"].(string)
-			}
-
-			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

@@ -9,9 +9,7 @@ import (
 	"os"
 	"time"
 
-	"github.com/Dreamacro/clash/common/convert"
 	"github.com/Dreamacro/clash/component/dialer"
-	C "github.com/Dreamacro/clash/constant"
 	types "github.com/Dreamacro/clash/constant/provider"
 )
 
@@ -36,9 +34,8 @@ func NewFileVehicle(path string) *FileVehicle {
 }
 
 type HTTPVehicle struct {
-	url    string
-	path   string
-	header http.Header
+	url  string
+	path string
 }
 
 func (h *HTTPVehicle) Type() types.VehicleType {
@@ -63,17 +60,11 @@ 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{
@@ -82,13 +73,8 @@ func (h *HTTPVehicle) Read() ([]byte, error) {
 		IdleConnTimeout:       90 * time.Second,
 		TLSHandshakeTimeout:   10 * time.Second,
 		ExpectContinueTimeout: 1 * time.Second,
-		DialContext: func(ctx context.Context, network, address string) (conn net.Conn, err error) {
-			conn, err = dialer.DialContext(ctx, network, address) // with direct
-			if err != nil {
-				// fallback to tun if tun enabled
-				conn, err = (&net.Dialer{Timeout: C.DefaultTCPTimeout}).Dial(network, address)
-			}
-			return
+		DialContext: func(ctx context.Context, network, address string) (net.Conn, error) {
+			return dialer.DialContext(ctx, network, address)
 		},
 	}
 
@@ -97,9 +83,7 @@ func (h *HTTPVehicle) Read() ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer func() {
-		_ = resp.Body.Close()
-	}()
+	defer resp.Body.Close()
 
 	buf, err := io.ReadAll(resp.Body)
 	if err != nil {
@@ -109,6 +93,6 @@ func (h *HTTPVehicle) Read() ([]byte, error) {
 	return buf, nil
 }
 
-func NewHTTPVehicle(url string, path string, header http.Header) *HTTPVehicle {
-	return &HTTPVehicle{url, path, header}
+func NewHTTPVehicle(url string, path string) *HTTPVehicle {
+	return &HTTPVehicle{url, path}
 }

common/batch/batch.go

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

common/batch/batch_test.go

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

common/cache/cache.go

@@ -1,106 +0,0 @@
-package cache
-
-import (
-	"runtime"
-	"sync"
-	"time"
-)
-
-// Cache store element with a expired time
-type Cache[K comparable, V any] struct {
-	*cache[K, V]
-}
-
-type cache[K comparable, V any] struct {
-	mapping sync.Map
-	janitor *janitor[K, V]
-}
-
-type element[V any] struct {
-	Expired time.Time
-	Payload V
-}
-
-// Put element in Cache with its ttl
-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[K, V]) Get(key K) V {
-	item, exist := c.mapping.Load(key)
-	if !exist {
-		return getZero[V]()
-	}
-	elm := item.(*element[V])
-	// expired
-	if time.Since(elm.Expired) > 0 {
-		c.mapping.Delete(key)
-		return getZero[V]()
-	}
-	return elm.Payload
-}
-
-// GetWithExpire element in Cache with Expire 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[V])
-	// expired
-	if time.Since(elm.Expired) > 0 {
-		c.mapping.Delete(key)
-		return
-	}
-	return elm.Payload, elm.Expired
-}
-
-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)
-		}
-		return true
-	})
-}
-
-type janitor[K comparable, V any] struct {
-	interval time.Duration
-	stop     chan struct{}
-}
-
-func (j *janitor[K, V]) process(c *cache[K, V]) {
-	ticker := time.NewTicker(j.interval)
-	for {
-		select {
-		case <-ticker.C:
-			c.cleanup()
-		case <-j.stop:
-			ticker.Stop()
-			return
-		}
-	}
-}
-
-func stopJanitor[K comparable, V any](c *Cache[K, V]) {
-	c.janitor.stop <- struct{}{}
-}
-
-// New return *Cache
-func New[K comparable, V any](interval time.Duration) *Cache[K, V] {
-	j := &janitor[K, V]{
-		interval: interval,
-		stop:     make(chan struct{}),
-	}
-	c := &cache[K, V]{janitor: j}
-	go j.process(c)
-	C := &Cache[K, V]{c}
-	runtime.SetFinalizer(C, stopJanitor[K, V])
-	return C
-}

common/cache/cache_test.go

@@ -1,72 +0,0 @@
-package cache
-
-import (
-	"runtime"
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestCache_Basic(t *testing.T) {
-	interval := 200 * time.Millisecond
-	ttl := 20 * time.Millisecond
-	c := New[string, int](interval)
-	c.Put("int", 1, ttl)
-
-	d := New[string, string](interval)
-	d.Put("string", "a", ttl)
-
-	i := c.Get("int")
-	assert.Equal(t, i, 1, "should recv 1")
-
-	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[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, 1, "should recv 1")
-	assert.True(t, now.Before(expired))
-
-	time.Sleep(ttl * 2)
-	i = c.Get("int")
-	j, _ := c.GetWithExpire("int2")
-	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[string, int](interval)
-	c.Put("int", 1, ttl)
-
-	time.Sleep(ttl * 2)
-	i := c.Get("int")
-	j, _ := c.GetWithExpire("int")
-	assert.True(t, i == 0, "should recv 0")
-	assert.True(t, j == 0, "should recv 0")
-}
-
-func TestCache_AutoGC(t *testing.T) {
-	sign := make(chan struct{})
-	go func() {
-		interval := 10 * time.Millisecond
-		ttl := 15 * time.Millisecond
-		c := New[string, int](interval)
-		c.Put("int", 1, ttl)
-		sign <- struct{}{}
-	}()
-
-	<-sign
-	runtime.GC()
-}

common/cache/lrucache.go

@@ -3,50 +3,49 @@ 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[K comparable, V any] func(*LruCache[K, V])
+type Option func(*LruCache)
 
 // EvictCallback is used to get a callback when a cache entry is evicted
-type EvictCallback[K comparable, V any] func(key K, value V)
+type EvictCallback = func(key any, value any)
 
 // WithEvict set the evict callback
-func WithEvict[K comparable, V any](cb EvictCallback[K, V]) Option[K, V] {
-	return func(l *LruCache[K, V]) {
+func WithEvict(cb EvictCallback) Option {
+	return func(l *LruCache) {
 		l.onEvict = cb
 	}
 }
 
 // WithUpdateAgeOnGet update expires when Get element
-func WithUpdateAgeOnGet[K comparable, V any]() Option[K, V] {
-	return func(l *LruCache[K, V]) {
+func WithUpdateAgeOnGet() Option {
+	return func(l *LruCache) {
 		l.updateAgeOnGet = true
 	}
 }
 
 // WithAge defined element max age (second)
-func WithAge[K comparable, V any](maxAge int64) Option[K, V] {
-	return func(l *LruCache[K, V]) {
+func WithAge(maxAge int64) Option {
+	return func(l *LruCache) {
 		l.maxAge = maxAge
 	}
 }
 
 // WithSize defined max length of LruCache
-func WithSize[K comparable, V any](maxSize int) Option[K, V] {
-	return func(l *LruCache[K, V]) {
+func WithSize(maxSize int) Option {
+	return func(l *LruCache) {
 		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[K comparable, V any](stale bool) Option[K, V] {
-	return func(l *LruCache[K, V]) {
+func WithStale(stale bool) Option {
+	return func(l *LruCache) {
 		l.staleReturn = stale
 	}
 }
@@ -54,22 +53,22 @@ func WithStale[K comparable, V any](stale bool) Option[K, V] {
 // 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[K comparable, V any] struct {
+type LruCache struct {
 	maxAge         int64
 	maxSize        int
 	mu             sync.Mutex
-	cache          map[K]*list.Element[*entry[K, V]]
-	lru            *list.List[*entry[K, V]] // Front is least-recent
+	cache          map[any]*list.Element
+	lru            *list.List // Front is least-recent
 	updateAgeOnGet bool
 	staleReturn    bool
-	onEvict        EvictCallback[K, V]
+	onEvict        EvictCallback
 }
 
-// NewLRUCache creates an LruCache
-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]]),
+// New creates an LruCache
+func New(options ...Option) *LruCache {
+	lc := &LruCache{
+		lru:   list.New(),
+		cache: make(map[any]*list.Element),
 	}
 
 	for _, option := range options {
@@ -81,12 +80,12 @@ func NewLRUCache[K comparable, V any](options ...Option[K, V]) *LruCache[K, V] {
 
 // Get returns the any representation of a cached response and a bool
 // set to true if the key was found.
-func (c *LruCache[K, V]) Get(key K) (V, bool) {
-	el := c.get(key)
-	if el == nil {
-		return getZero[V](), false
+func (c *LruCache) Get(key any) (any, bool) {
+	entry := c.get(key)
+	if entry == nil {
+		return nil, false
 	}
-	value := el.value
+	value := entry.value
 
 	return value, true
 }
@@ -95,17 +94,17 @@ func (c *LruCache[K, V]) Get(key K) (V, bool) {
 // 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[K, V]) GetWithExpire(key K) (V, time.Time, bool) {
-	el := c.get(key)
-	if el == nil {
-		return getZero[V](), time.Time{}, false
+func (c *LruCache) GetWithExpire(key any) (any, time.Time, bool) {
+	entry := c.get(key)
+	if entry == nil {
+		return nil, time.Time{}, false
 	}
 
-	return el.value, time.Unix(el.expires, 0), true
+	return entry.value, time.Unix(entry.expires, 0), true
 }
 
 // Exist returns if key exist in cache but not put item to the head of linked list
-func (c *LruCache[K, V]) Exist(key K) bool {
+func (c *LruCache) Exist(key any) bool {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
@@ -114,7 +113,7 @@ func (c *LruCache[K, V]) Exist(key K) bool {
 }
 
 // Set stores the any representation of a response for a given key.
-func (c *LruCache[K, V]) Set(key K, value V) {
+func (c *LruCache) Set(key any, value any) {
 	expires := int64(0)
 	if c.maxAge > 0 {
 		expires = time.Now().Unix() + c.maxAge
@@ -124,21 +123,21 @@ func (c *LruCache[K, V]) Set(key K, value V) {
 
 // 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[K, V]) SetWithExpire(key K, value V, expires time.Time) {
+func (c *LruCache) SetWithExpire(key any, value any, expires time.Time) {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
 	if le, ok := c.cache[key]; ok {
 		c.lru.MoveToBack(le)
-		e := le.Value
+		e := le.Value.(*entry)
 		e.value = value
 		e.expires = expires.Unix()
 	} else {
-		e := &entry[K, V]{key: key, value: value, expires: expires.Unix()}
+		e := &entry{key: key, value: value, expires: expires.Unix()}
 		c.cache[key] = c.lru.PushBack(e)
 
 		if c.maxSize > 0 {
-			if elLen := c.lru.Len(); elLen > c.maxSize {
+			if len := c.lru.Len(); len > c.maxSize {
 				c.deleteElement(c.lru.Front())
 			}
 		}
@@ -148,23 +147,23 @@ func (c *LruCache[K, V]) SetWithExpire(key K, value V, expires time.Time) {
 }
 
 // CloneTo clone and overwrite elements to another LruCache
-func (c *LruCache[K, V]) CloneTo(n *LruCache[K, V]) {
+func (c *LruCache) CloneTo(n *LruCache) {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
 	n.mu.Lock()
 	defer n.mu.Unlock()
 
-	n.lru = list.New[*entry[K, V]]()
-	n.cache = make(map[K]*list.Element[*entry[K, V]])
+	n.lru = list.New()
+	n.cache = make(map[any]*list.Element)
 
 	for e := c.lru.Front(); e != nil; e = e.Next() {
-		elm := e.Value
+		elm := e.Value.(*entry)
 		n.cache[elm.key] = n.lru.PushBack(elm)
 	}
 }
 
-func (c *LruCache[K, V]) get(key K) *entry[K, V] {
+func (c *LruCache) get(key any) *entry {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
@@ -173,7 +172,7 @@ func (c *LruCache[K, V]) get(key K) *entry[K, V] {
 		return nil
 	}
 
-	if !c.staleReturn && c.maxAge > 0 && le.Value.expires <= time.Now().Unix() {
+	if !c.staleReturn && c.maxAge > 0 && le.Value.(*entry).expires <= time.Now().Unix() {
 		c.deleteElement(le)
 		c.maybeDeleteOldest()
 
@@ -181,15 +180,15 @@ func (c *LruCache[K, V]) get(key K) *entry[K, V] {
 	}
 
 	c.lru.MoveToBack(le)
-	el := le.Value
+	entry := le.Value.(*entry)
 	if c.maxAge > 0 && c.updateAgeOnGet {
-		el.expires = time.Now().Unix() + c.maxAge
+		entry.expires = time.Now().Unix() + c.maxAge
 	}
-	return el
+	return entry
 }
 
 // Delete removes the value associated with a key.
-func (c *LruCache[K, V]) Delete(key K) {
+func (c *LruCache) Delete(key any) {
 	c.mu.Lock()
 
 	if le, ok := c.cache[key]; ok {
@@ -199,40 +198,26 @@ func (c *LruCache[K, V]) Delete(key K) {
 	c.mu.Unlock()
 }
 
-func (c *LruCache[K, V]) maybeDeleteOldest() {
+func (c *LruCache) maybeDeleteOldest() {
 	if !c.staleReturn && c.maxAge > 0 {
 		now := time.Now().Unix()
-		for le := c.lru.Front(); le != nil && le.Value.expires <= now; le = c.lru.Front() {
+		for le := c.lru.Front(); le != nil && le.Value.(*entry).expires <= now; le = c.lru.Front() {
 			c.deleteElement(le)
 		}
 	}
 }
 
-func (c *LruCache[K, V]) deleteElement(le *list.Element[*entry[K, V]]) {
+func (c *LruCache) deleteElement(le *list.Element) {
 	c.lru.Remove(le)
-	e := le.Value
+	e := le.Value.(*entry)
 	delete(c.cache, e.key)
 	if c.onEvict != nil {
 		c.onEvict(e.key, e.value)
 	}
 }
 
-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
+type entry struct {
+	key     any
+	value   any
 	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[string, string]()
+	c := New()
 
 	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)
+			assert.Equal(t, e.value, value.(string))
 		}
 	}
 
@@ -45,25 +45,25 @@ func TestLRUCache(t *testing.T) {
 }
 
 func TestLRUMaxAge(t *testing.T) {
-	c := NewLRUCache[string, string](WithAge[string, string](86400))
+	c := New(WithAge(86400))
 
 	now := time.Now().Unix()
 	expected := now + 86400
 
 	// Add one expired entry
 	c.Set("foo", "bar")
-	c.lru.Back().Value.expires = now
+	c.lru.Back().Value.(*entry).expires = now
 
 	// Reset
 	c.Set("foo", "bar")
-	e := c.lru.Back().Value
+	e := c.lru.Back().Value.(*entry)
 	assert.True(t, e.expires >= now)
-	c.lru.Back().Value.expires = now
+	c.lru.Back().Value.(*entry).expires = now
 
 	// Set a few and verify expiration times
 	for _, s := range entries {
 		c.Set(s.key, s.value)
-		e := c.lru.Back().Value
+		e := c.lru.Back().Value.(*entry)
 		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.expires = now
+			le.Value.(*entry).expires = now
 		}
 	}
 
@@ -88,22 +88,22 @@ func TestLRUMaxAge(t *testing.T) {
 }
 
 func TestLRUpdateOnGet(t *testing.T) {
-	c := NewLRUCache[string, string](WithAge[string, string](86400), WithUpdateAgeOnGet[string, string]())
+	c := New(WithAge(86400), WithUpdateAgeOnGet())
 
 	now := time.Now().Unix()
 	expires := now + 86400/2
 
 	// Add one expired entry
 	c.Set("foo", "bar")
-	c.lru.Back().Value.expires = expires
+	c.lru.Back().Value.(*entry).expires = expires
 
 	_, ok := c.Get("foo")
 	assert.True(t, ok)
-	assert.True(t, c.lru.Back().Value.expires > expires)
+	assert.True(t, c.lru.Back().Value.(*entry).expires > expires)
 }
 
 func TestMaxSize(t *testing.T) {
-	c := NewLRUCache[string, string](WithSize[string, string](2))
+	c := New(WithSize(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[int, int](WithSize[int, int](1))
+	c := New(WithSize(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 int, value int) {
-		temp = key + value
+	evict := func(key any, value any) {
+		temp = key.(int) + value.(int)
 	}
 
-	c := NewLRUCache[int, int](WithEvict[int, int](evict), WithSize[int, int](1))
+	c := New(WithEvict(evict), WithSize(1))
 	c.Set(1, 2)
 	c.Set(2, 3)
 
@@ -138,22 +138,21 @@ func TestEvict(t *testing.T) {
 }
 
 func TestSetWithExpire(t *testing.T) {
-	c := NewLRUCache[int, *struct{}](WithAge[int, *struct{}](1))
+	c := New(WithAge(1))
 	now := time.Now().Unix()
 
 	tenSecBefore := time.Unix(now-10, 0)
-	c.SetWithExpire(1, &struct{}{}, tenSecBefore)
+	c.SetWithExpire(1, 2, tenSecBefore)
 
 	// res is expected not to exist, and expires should be empty time.Time
 	res, expires, exist := c.GetWithExpire(1)
-
-	assert.True(t, nil == res)
+	assert.Equal(t, nil, res)
 	assert.Equal(t, time.Time{}, expires)
 	assert.Equal(t, false, exist)
 }
 
 func TestStale(t *testing.T) {
-	c := NewLRUCache[int, int](WithAge[int, int](1), WithStale[int, int](true))
+	c := New(WithAge(1), WithStale(true))
 	now := time.Now().Unix()
 
 	tenSecBefore := time.Unix(now-10, 0)
@@ -166,11 +165,11 @@ func TestStale(t *testing.T) {
 }
 
 func TestCloneTo(t *testing.T) {
-	o := NewLRUCache[string, int](WithSize[string, int](10))
+	o := New(WithSize(10))
 	o.Set("1", 1)
 	o.Set("2", 2)
 
-	n := NewLRUCache[string, int](WithSize[string, int](2))
+	n := New(WithSize(2))
 	n.Set("3", 3)
 	n.Set("4", 4)
 

common/cert/cert.go

@@ -1,303 +0,0 @@
-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

@@ -1,104 +0,0 @@
-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

@@ -1,32 +0,0 @@
-package cert
-
-import (
-	"crypto/tls"
-
-	"github.com/Dreamacro/clash/component/trie"
-)
-
-// DomainTrieCertsStorage cache wildcard certificates
-type DomainTrieCertsStorage struct {
-	certsCache *trie.DomainTrie[*tls.Certificate]
-}
-
-// Get gets the certificate from the storage
-func (c *DomainTrieCertsStorage) Get(key string) (*tls.Certificate, bool) {
-	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.certsCache.Insert(key, cert)
-}
-
-func NewDomainTrieCertsStorage() *DomainTrieCertsStorage {
-	return &DomainTrieCertsStorage{
-		certsCache: trie.New[*tls.Certificate](),
-	}
-}

common/cmd/cmd.go

@@ -1,35 +0,0 @@
-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

@@ -1,40 +0,0 @@
-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

@@ -1,344 +0,0 @@
-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
-}
-
-// DecodeBase64StringToString decode base64 string to string
-func DecodeBase64StringToString(s string) (string, error) {
-	dBuf, err := enc.DecodeString(s)
-	if err != nil {
-		return "", err
-	}
-
-	return string(dBuf), 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 = 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

@@ -1,315 +0,0 @@
-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",
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-	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36",
-	"Mozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36",
-	"Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
-	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
-	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36",
-	"Mozilla/5.0 (Linux; Android 6.0.1; CPH1607 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36",
-	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
-	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36",
-	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
-	"Mozilla/5.0 (Linux; Android 6.0.1; vivo 1603 Build/MMB29M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.83 Mobile Safari/537.36",
-	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36",
-	"Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36",
-	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36",
-	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36",
-	"Mozilla/5.0 (Linux; Android 6.0.1; Redmi 4A Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/60.0.3112.116 Mobile Safari/537.36",
-	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36",
-	"Mozilla/5.0 (Windows NT 6.0) 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/60.0.3112.113 Safari/537.36",
-	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
-	"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.157 Safari/537.36",
-	"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.71 Safari/537.36",
-	"Mozilla/5.0 (Windows NT 5.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36",
-	"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

@@ -1,235 +0,0 @@
-// 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

@@ -4,36 +4,21 @@ import (
 	"io"
 	"net"
 	"time"
-
-	"github.com/Dreamacro/clash/common/pool"
 )
 
 // Relay copies between left and right bidirectionally.
 func Relay(leftConn, rightConn net.Conn) {
 	ch := make(chan error)
 
-	tcpKeepAlive(leftConn)
-	tcpKeepAlive(rightConn)
-
 	go func() {
-		buf := pool.Get(pool.RelayBufferSize)
 		// Wrapping to avoid using *net.TCPConn.(ReadFrom)
 		// See also https://github.com/Dreamacro/clash/pull/1209
-		_, err := io.CopyBuffer(WriteOnlyWriter{Writer: leftConn}, ReadOnlyReader{Reader: rightConn}, buf)
-		_ = pool.Put(buf)
-		_ = leftConn.SetReadDeadline(time.Now())
+		_, err := io.Copy(WriteOnlyWriter{Writer: leftConn}, ReadOnlyReader{Reader: rightConn})
+		leftConn.SetReadDeadline(time.Now())
 		ch <- err
 	}()
 
-	buf := pool.Get(pool.RelayBufferSize)
-	_, _ = io.CopyBuffer(WriteOnlyWriter{Writer: rightConn}, ReadOnlyReader{Reader: leftConn}, buf)
-	_ = pool.Put(buf)
-	_ = rightConn.SetReadDeadline(time.Now())
+	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

@@ -1,53 +0,0 @@
-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[T any] <-chan T
+type Iterable <-chan any

common/observable/observable.go

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

common/observable/observable_test.go

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

common/observable/subscriber.go

@@ -4,30 +4,30 @@ import (
 	"sync"
 )
 
-type Subscription[T any] <-chan T
+type Subscription <-chan any
 
-type Subscriber[T any] struct {
-	buffer chan T
+type Subscriber struct {
+	buffer chan any
 	once   sync.Once
 }
 
-func (s *Subscriber[T]) Emit(item T) {
+func (s *Subscriber) Emit(item any) {
 	s.buffer <- item
 }
 
-func (s *Subscriber[T]) Out() Subscription[T] {
+func (s *Subscriber) Out() Subscription {
 	return s.buffer
 }
 
-func (s *Subscriber[T]) Close() {
+func (s *Subscriber) Close() {
 	s.once.Do(func() {
 		close(s.buffer)
 	})
 }
 
-func newSubscriber[T any]() *Subscriber[T] {
-	sub := &Subscriber[T]{
-		buffer: make(chan T, 200),
+func newSubscriber() *Subscriber {
+	sub := &Subscriber{
+		buffer: make(chan any, 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[T any] struct {
+type Picker struct {
 	ctx    context.Context
 	cancel func()
 
@@ -17,12 +17,12 @@ type Picker[T any] struct {
 
 	once    sync.Once
 	errOnce sync.Once
-	result  T
+	result  any
 	err     error
 }
 
-func newPicker[T any](ctx context.Context, cancel func()) *Picker[T] {
-	return &Picker[T]{
+func newPicker(ctx context.Context, cancel func()) *Picker {
+	return &Picker{
 		ctx:    ctx,
 		cancel: cancel,
 	}
@@ -30,20 +30,20 @@ func newPicker[T any](ctx context.Context, cancel func()) *Picker[T] {
 
 // WithContext returns a new Picker and an associated Context derived from ctx.
 // and cancel when first element return.
-func WithContext[T any](ctx context.Context) (*Picker[T], context.Context) {
+func WithContext(ctx context.Context) (*Picker, context.Context) {
 	ctx, cancel := context.WithCancel(ctx)
-	return newPicker[T](ctx, cancel), ctx
+	return newPicker(ctx, cancel), ctx
 }
 
 // WithTimeout returns a new Picker and an associated Context derived from ctx with timeout.
-func WithTimeout[T any](ctx context.Context, timeout time.Duration) (*Picker[T], context.Context) {
+func WithTimeout(ctx context.Context, timeout time.Duration) (*Picker, context.Context) {
 	ctx, cancel := context.WithTimeout(ctx, timeout)
-	return newPicker[T](ctx, cancel), ctx
+	return newPicker(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[T]) Wait() T {
+func (p *Picker) Wait() any {
 	p.wg.Wait()
 	if p.cancel != nil {
 		p.cancel()
@@ -52,13 +52,13 @@ func (p *Picker[T]) Wait() T {
 }
 
 // Error return the first error (if all success return nil)
-func (p *Picker[T]) Error() error {
+func (p *Picker) 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[T]) Go(f func() (T, error)) {
+func (p *Picker) Go(f func() (any, error)) {
 	p.wg.Add(1)
 
 	go func() {

common/picker/picker_test.go

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

common/queue/queue.go

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

common/singledo/singledo.go

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

common/singledo/singledo_test.go

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

common/snifer/tls/sniff.go

@@ -1,148 +0,0 @@
-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

@@ -1,159 +0,0 @@
-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())
-			}
-		}
-	}
-}

component/dhcp/dhcp.go

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

component/dialer/bind_darwin.go

@@ -2,7 +2,6 @@ package dialer
 
 import (
 	"net"
-	"net/netip"
 	"syscall"
 
 	"github.com/Dreamacro/clash/component/iface"
@@ -20,9 +19,12 @@ func bindControl(ifaceIdx int, chain controlFn) controlFn {
 			}
 		}()
 
-		addrPort, err := netip.ParseAddrPort(address)
-		if err == nil && !addrPort.Addr().IsGlobalUnicast() {
-			return
+		ipStr, _, err := net.SplitHostPort(address)
+		if err == nil {
+			ip := net.ParseIP(ipStr)
+			if ip != nil && !ip.IsGlobalUnicast() {
+				return
+			}
 		}
 
 		var innerErr error
@@ -43,7 +45,7 @@ func bindControl(ifaceIdx int, chain controlFn) controlFn {
 	}
 }
 
-func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ netip.Addr) error {
+func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ net.IP) error {
 	ifaceObj, err := iface.ResolveInterface(ifaceName)
 	if err != nil {
 		return err

component/dialer/bind_linux.go

@@ -2,7 +2,6 @@ package dialer
 
 import (
 	"net"
-	"net/netip"
 	"syscall"
 
 	"golang.org/x/sys/unix"
@@ -18,9 +17,12 @@ func bindControl(ifaceName string, chain controlFn) controlFn {
 			}
 		}()
 
-		addrPort, err := netip.ParseAddrPort(address)
-		if err == nil && !addrPort.Addr().IsGlobalUnicast() {
-			return
+		ipStr, _, err := net.SplitHostPort(address)
+		if err == nil {
+			ip := net.ParseIP(ipStr)
+			if ip != nil && !ip.IsGlobalUnicast() {
+				return
+			}
 		}
 
 		var innerErr error
@@ -36,7 +38,7 @@ func bindControl(ifaceName string, chain controlFn) controlFn {
 	}
 }
 
-func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ netip.Addr) error {
+func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ net.IP) error {
 	dialer.Control = bindControl(ifaceName, dialer.Control)
 
 	return nil

component/dialer/bind_others.go

@@ -4,28 +4,27 @@ package dialer
 
 import (
 	"net"
-	"net/netip"
 	"strconv"
 	"strings"
 
 	"github.com/Dreamacro/clash/component/iface"
 )
 
-func lookupLocalAddr(ifaceName string, network string, destination netip.Addr, port int) (net.Addr, error) {
+func lookupLocalAddr(ifaceName string, network string, destination net.IP, port int) (net.Addr, error) {
 	ifaceObj, err := iface.ResolveInterface(ifaceName)
 	if err != nil {
 		return nil, err
 	}
 
-	var addr *netip.Prefix
+	var addr *net.IPNet
 	switch network {
 	case "udp4", "tcp4":
 		addr, err = ifaceObj.PickIPv4Addr(destination)
 	case "tcp6", "udp6":
 		addr, err = ifaceObj.PickIPv6Addr(destination)
 	default:
-		if destination.IsValid() {
-			if destination.Is4() {
+		if destination != nil {
+			if destination.To4() != nil {
 				addr, err = ifaceObj.PickIPv4Addr(destination)
 			} else {
 				addr, err = ifaceObj.PickIPv6Addr(destination)
@@ -40,12 +39,12 @@ func lookupLocalAddr(ifaceName string, network string, destination netip.Addr, p
 
 	if strings.HasPrefix(network, "tcp") {
 		return &net.TCPAddr{
-			IP:   addr.Addr().AsSlice(),
+			IP:   addr.IP,
 			Port: port,
 		}, nil
 	} else if strings.HasPrefix(network, "udp") {
 		return &net.UDPAddr{
-			IP:   addr.Addr().AsSlice(),
+			IP:   addr.IP,
 			Port: port,
 		}, nil
 	}
@@ -53,7 +52,7 @@ func lookupLocalAddr(ifaceName string, network string, destination netip.Addr, p
 	return nil, iface.ErrAddrNotFound
 }
 
-func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, network string, destination netip.Addr) error {
+func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, network string, destination net.IP) error {
 	if !destination.IsGlobalUnicast() {
 		return nil
 	}
@@ -84,7 +83,7 @@ func bindIfaceToListenConfig(ifaceName string, _ *net.ListenConfig, network, add
 
 	local, _ := strconv.ParseUint(port, 10, 16)
 
-	addr, err := lookupLocalAddr(ifaceName, network, netip.Addr{}, int(local))
+	addr, err := lookupLocalAddr(ifaceName, network, nil, int(local))
 	if err != nil {
 		return "", err
 	}

component/dialer/dialer.go

@@ -4,25 +4,11 @@ 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)
@@ -30,28 +16,20 @@ func DialContext(ctx context.Context, network, address string, options ...Option
 			return nil, err
 		}
 
-		var ip netip.Addr
+		var ip net.IP
 		switch network {
 		case "tcp4", "udp4":
-			if !opt.direct {
-				ip, err = resolver.ResolveIPv4ProxyServerHost(host)
-			} else {
-				ip, err = resolver.ResolveIPv4(host)
-			}
+			ip, err = resolver.ResolveIPv4(host)
 		default:
-			if !opt.direct {
-				ip, err = resolver.ResolveIPv6ProxyServerHost(host)
-			} else {
-				ip, err = resolver.ResolveIPv6(host)
-			}
+			ip, err = resolver.ResolveIPv6(host)
 		}
 		if err != nil {
 			return nil, err
 		}
 
-		return dialContext(ctx, network, ip, port, opt)
+		return dialContext(ctx, network, ip, port, options)
 	case "tcp", "udp":
-		return dualStackDialContext(ctx, network, address, opt)
+		return dualStackDialContext(ctx, network, address, options)
 	default:
 		return nil, errors.New("network invalid")
 	}
@@ -89,7 +67,20 @@ func ListenPacket(ctx context.Context, network, address string, options ...Optio
 	return lc.ListenPacket(ctx, network, address)
 }
 
-func dialContext(ctx context.Context, network string, destination netip.Addr, port string, opt *option) (net.Conn, error) {
+func dialContext(ctx context.Context, network string, destination net.IP, port 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)
+	}
+
 	dialer := &net.Dialer{}
 	if opt.interfaceName != "" {
 		if err := bindIfaceToDialer(opt.interfaceName, dialer, network, destination); err != nil {
@@ -103,7 +94,7 @@ func dialContext(ctx context.Context, network string, destination netip.Addr, po
 	return dialer.DialContext(ctx, network, net.JoinHostPort(destination.String(), port))
 }
 
-func dualStackDialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
+func dualStackDialContext(ctx context.Context, network, address string, options []Option) (net.Conn, error) {
 	host, port, err := net.SplitHostPort(address)
 	if err != nil {
 		return nil, err
@@ -122,42 +113,34 @@ func dualStackDialContext(ctx context.Context, network, address string, opt *opt
 	results := make(chan dialResult)
 	var primary, fallback dialResult
 
-	startRacer := func(ctx context.Context, network, host string, direct bool, ipv6 bool) {
+	startRacer := func(ctx context.Context, network, host string, 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 netip.Addr
+		var ip net.IP
 		if ipv6 {
-			if !direct {
-				ip, result.error = resolver.ResolveIPv6ProxyServerHost(host)
-			} else {
-				ip, result.error = resolver.ResolveIPv6(host)
-			}
+			ip, result.error = resolver.ResolveIPv6(host)
 		} else {
-			if !direct {
-				ip, result.error = resolver.ResolveIPv4ProxyServerHost(host)
-			} else {
-				ip, result.error = resolver.ResolveIPv4(host)
-			}
+			ip, result.error = resolver.ResolveIPv4(host)
 		}
 		if result.error != nil {
 			return
 		}
 		result.resolved = true
 
-		result.Conn, result.error = dialContext(ctx, network, ip, port, opt)
+		result.Conn, result.error = dialContext(ctx, network, ip, port, options)
 	}
 
-	go startRacer(ctx, network+"4", host, opt.direct, false)
-	go startRacer(ctx, network+"6", host, opt.direct, true)
+	go startRacer(ctx, network+"4", host, false)
+	go startRacer(ctx, network+"6", host, true)
 
 	for res := range results {
 		if res.error == nil {

component/dialer/mark_linux.go

@@ -4,15 +4,14 @@ package dialer
 
 import (
 	"net"
-	"net/netip"
 	"syscall"
 )
 
-func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ netip.Addr) {
+func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ net.IP) {
 	dialer.Control = bindMarkToControl(mark, dialer.Control)
 }
 
-func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, _ string) {
+func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, address string) {
 	lc.Control = bindMarkToControl(mark, lc.Control)
 }
 
@@ -24,18 +23,21 @@ func bindMarkToControl(mark int, chain controlFn) controlFn {
 			}
 		}()
 
-		addrPort, err := netip.ParseAddrPort(address)
-		if err == nil && !addrPort.Addr().IsGlobalUnicast() {
-			return
+		ipStr, _, err := net.SplitHostPort(address)
+		if err == nil {
+			ip := net.ParseIP(ipStr)
+			if ip != nil && !ip.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 innerErr != nil {
+			err = innerErr
+		}
+		return
 	}
 }

component/dialer/mark_nonlinux.go

@@ -4,7 +4,6 @@ package dialer
 
 import (
 	"net"
-	"net/netip"
 	"sync"
 
 	"github.com/Dreamacro/clash/log"
@@ -18,10 +17,10 @@ func printMarkWarn() {
 	})
 }
 
-func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ netip.Addr) {
+func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ net.IP) {
 	printMarkWarn()
 }
 
-func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, _ string) {
+func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, address string) {
 	printMarkWarn()
 }

component/dialer/options.go

@@ -12,7 +12,6 @@ type option struct {
 	interfaceName string
 	addrReuse     bool
 	routingMark   int
-	direct        bool
 }
 
 type Option func(opt *option)
@@ -34,9 +33,3 @@ func WithRoutingMark(mark int) Option {
 		opt.routingMark = mark
 	}
 }
-
-func WithDirect() Option {
-	return func(opt *option) {
-		opt.direct = true
-	}
-}

component/dialer/resolver.go

@@ -1,29 +0,0 @@
-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/fakeip/cachefile.go

@@ -1,7 +1,7 @@
 package fakeip
 
 import (
-	"net/netip"
+	"net"
 
 	"github.com/Dreamacro/clash/component/profile/cachefile"
 )
@@ -11,27 +11,22 @@ type cachefileStore struct {
 }
 
 // GetByHost implements store.GetByHost
-func (c *cachefileStore) GetByHost(host string) (netip.Addr, bool) {
+func (c *cachefileStore) GetByHost(host string) (net.IP, bool) {
 	elm := c.cache.GetFakeip([]byte(host))
 	if elm == nil {
-		return netip.Addr{}, false
-	}
-
-	if len(elm) == 4 {
-		return netip.AddrFrom4(*(*[4]byte)(elm)), true
-	} else {
-		return netip.AddrFrom16(*(*[16]byte)(elm)), true
+		return nil, false
 	}
+	return net.IP(elm), true
 }
 
 // PutByHost implements store.PutByHost
-func (c *cachefileStore) PutByHost(host string, ip netip.Addr) {
-	c.cache.PutFakeip([]byte(host), ip.AsSlice())
+func (c *cachefileStore) PutByHost(host string, ip net.IP) {
+	c.cache.PutFakeip([]byte(host), ip)
 }
 
 // GetByIP implements store.GetByIP
-func (c *cachefileStore) GetByIP(ip netip.Addr) (string, bool) {
-	elm := c.cache.GetFakeip(ip.AsSlice())
+func (c *cachefileStore) GetByIP(ip net.IP) (string, bool) {
+	elm := c.cache.GetFakeip(ip.To4())
 	if elm == nil {
 		return "", false
 	}
@@ -39,18 +34,18 @@ func (c *cachefileStore) GetByIP(ip netip.Addr) (string, bool) {
 }
 
 // PutByIP implements store.PutByIP
-func (c *cachefileStore) PutByIP(ip netip.Addr, host string) {
-	c.cache.PutFakeip(ip.AsSlice(), []byte(host))
+func (c *cachefileStore) PutByIP(ip net.IP, host string) {
+	c.cache.PutFakeip(ip.To4(), []byte(host))
 }
 
 // DelByIP implements store.DelByIP
-func (c *cachefileStore) DelByIP(ip netip.Addr) {
-	addr := ip.AsSlice()
-	c.cache.DelFakeipPair(addr, c.cache.GetFakeip(addr))
+func (c *cachefileStore) DelByIP(ip net.IP) {
+	ip = ip.To4()
+	c.cache.DelFakeipPair(ip, c.cache.GetFakeip(ip.To4()))
 }
 
 // Exist implements store.Exist
-func (c *cachefileStore) Exist(ip netip.Addr) bool {
+func (c *cachefileStore) Exist(ip net.IP) bool {
 	_, exist := c.GetByIP(ip)
 	return exist
 }
@@ -58,8 +53,3 @@ func (c *cachefileStore) Exist(ip netip.Addr) 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

@@ -1,37 +1,40 @@
 package fakeip
 
 import (
-	"net/netip"
+	"net"
 
 	"github.com/Dreamacro/clash/common/cache"
 )
 
 type memoryStore struct {
-	cacheIP   *cache.LruCache[string, netip.Addr]
-	cacheHost *cache.LruCache[netip.Addr, string]
+	cache *cache.LruCache
 }
 
 // GetByHost implements store.GetByHost
-func (m *memoryStore) GetByHost(host string) (netip.Addr, bool) {
-	if ip, exist := m.cacheIP.Get(host); exist {
+func (m *memoryStore) GetByHost(host string) (net.IP, bool) {
+	if elm, exist := m.cache.Get(host); exist {
+		ip := elm.(net.IP)
+
 		// ensure ip --> host on head of linked list
-		m.cacheHost.Get(ip)
+		m.cache.Get(ipToUint(ip.To4()))
 		return ip, true
 	}
 
-	return netip.Addr{}, false
+	return nil, false
 }
 
 // PutByHost implements store.PutByHost
-func (m *memoryStore) PutByHost(host string, ip netip.Addr) {
-	m.cacheIP.Set(host, ip)
+func (m *memoryStore) PutByHost(host string, ip net.IP) {
+	m.cache.Set(host, ip)
 }
 
 // GetByIP implements store.GetByIP
-func (m *memoryStore) GetByIP(ip netip.Addr) (string, bool) {
-	if host, exist := m.cacheHost.Get(ip); exist {
+func (m *memoryStore) GetByIP(ip net.IP) (string, bool) {
+	if elm, exist := m.cache.Get(ipToUint(ip.To4())); exist {
+		host := elm.(string)
+
 		// ensure host --> ip on head of linked list
-		m.cacheIP.Get(host)
+		m.cache.Get(host)
 		return host, true
 	}
 
@@ -39,41 +42,28 @@ func (m *memoryStore) GetByIP(ip netip.Addr) (string, bool) {
 }
 
 // PutByIP implements store.PutByIP
-func (m *memoryStore) PutByIP(ip netip.Addr, host string) {
-	m.cacheHost.Set(ip, host)
+func (m *memoryStore) PutByIP(ip net.IP, host string) {
+	m.cache.Set(ipToUint(ip.To4()), host)
 }
 
 // DelByIP implements store.DelByIP
-func (m *memoryStore) DelByIP(ip netip.Addr) {
-	if host, exist := m.cacheHost.Get(ip); exist {
-		m.cacheIP.Delete(host)
+func (m *memoryStore) DelByIP(ip net.IP) {
+	ipNum := ipToUint(ip.To4())
+	if elm, exist := m.cache.Get(ipNum); exist {
+		m.cache.Delete(elm.(string))
 	}
-	m.cacheHost.Delete(ip)
+	m.cache.Delete(ipNum)
 }
 
 // Exist implements store.Exist
-func (m *memoryStore) Exist(ip netip.Addr) bool {
-	return m.cacheHost.Exist(ip)
+func (m *memoryStore) Exist(ip net.IP) bool {
+	return m.cache.Exist(ipToUint(ip.To4()))
 }
 
 // CloneTo implements store.CloneTo
 // only for memoryStore to memoryStore
 func (m *memoryStore) CloneTo(store store) {
 	if ms, ok := store.(*memoryStore); ok {
-		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)),
+		m.cache.CloneTo(ms.cache)
 	}
 }

component/fakeip/pool.go

@@ -2,47 +2,44 @@ package fakeip
 
 import (
 	"errors"
-	"net/netip"
+	"net"
+	"strings"
 	"sync"
 
-	"github.com/Dreamacro/clash/common/nnip"
+	"github.com/Dreamacro/clash/common/cache"
 	"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) (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
+	GetByHost(host string) (net.IP, bool)
+	PutByHost(host string, ip net.IP)
+	GetByIP(ip net.IP) (string, bool)
+	PutByIP(ip net.IP, host string)
+	DelByIP(ip net.IP)
+	Exist(ip net.IP) bool
 	CloneTo(store)
-	FlushFakeIP() error
 }
 
 // Pool is a implementation about fake ip generator without storage
 type Pool struct {
-	gateway netip.Addr
-	first   netip.Addr
-	last    netip.Addr
-	offset  netip.Addr
-	cycle   bool
+	max     uint32
+	min     uint32
+	gateway uint32
+	offset  uint32
 	mux     sync.Mutex
-	host    *trie.DomainTrie[bool]
-	ipnet   *netip.Prefix
+	host    *trie.DomainTrie
+	ipnet   *net.IPNet
 	store   store
 }
 
 // Lookup return a fake ip with host
-func (p *Pool) Lookup(host string) netip.Addr {
+func (p *Pool) Lookup(host string) net.IP {
 	p.mux.Lock()
 	defer p.mux.Unlock()
+
+	// RFC4343: DNS Case Insensitive, we SHOULD return result with all cases.
+	host = strings.ToLower(host)
 	if ip, exist := p.store.GetByHost(host); exist {
 		return ip
 	}
@@ -53,10 +50,14 @@ func (p *Pool) Lookup(host string) netip.Addr {
 }
 
 // LookBack return host with the fake ip
-func (p *Pool) LookBack(ip netip.Addr) (string, bool) {
+func (p *Pool) LookBack(ip net.IP) (string, bool) {
 	p.mux.Lock()
 	defer p.mux.Unlock()
 
+	if ip = ip.To4(); ip == nil {
+		return "", false
+	}
+
 	return p.store.GetByIP(ip)
 }
 
@@ -69,25 +70,24 @@ func (p *Pool) ShouldSkipped(domain string) bool {
 }
 
 // Exist returns if given ip exists in fake-ip pool
-func (p *Pool) Exist(ip netip.Addr) bool {
+func (p *Pool) Exist(ip net.IP) 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() netip.Addr {
-	return p.gateway
-}
-
-// Broadcast return the last ip
-func (p *Pool) Broadcast() netip.Addr {
-	return p.last
+func (p *Pool) Gateway() net.IP {
+	return uintToIP(p.gateway)
 }
 
 // IPNet return raw ipnet
-func (p *Pool) IPNet() *netip.Prefix {
+func (p *Pool) IPNet() *net.IPNet {
 	return p.ipnet
 }
 
@@ -96,61 +96,43 @@ func (p *Pool) CloneFrom(o *Pool) {
 	o.store.CloneTo(p.store)
 }
 
-func (p *Pool) get(host string) netip.Addr {
-	p.offset = p.offset.Next()
-
-	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)
-		}
-	}
-}
-
-func (p *Pool) restoreState() {
-	if s, ok := p.store.(*cachefileStore); ok {
-		if _, exist := s.GetByHost(cycleKey); exist {
-			p.cycle = true
+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 {
+			p.offset = (p.offset + 1) % (p.max - p.min)
+			ip := uintToIP(p.min + p.offset - 1)
+			p.store.DelByIP(ip)
+			break
 		}
 
-		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()
+		ip := uintToIP(p.min + p.offset - 1)
+		if !p.store.Exist(ip) {
+			break
 		}
 	}
+	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 uintToIP(v uint32) net.IP {
+	return net.IP{byte(v >> 24), byte(v >> 16), byte(v >> 8), byte(v)}
 }
 
 type Options struct {
-	IPNet *netip.Prefix
-	Host  *trie.DomainTrie[bool]
+	IPNet *net.IPNet
+	Host  *trie.DomainTrie
 
 	// Size sets the maximum number of entries in memory
 	// and does not work if Persistence is true
@@ -163,23 +145,20 @@ type Options struct {
 
 // New return Pool instance
 func New(options Options) (*Pool, error) {
-	var (
-		hostAddr = options.IPNet.Masked().Addr()
-		gateway  = hostAddr.Next()
-		first    = gateway.Next().Next()
-		last     = nnip.UnMasked(*options.IPNet)
-	)
+	min := ipToUint(options.IPNet.IP) + 2
 
-	if !options.IPNet.IsValid() || !first.IsValid() || !first.Less(last) {
+	ones, bits := options.IPNet.Mask.Size()
+	total := 1<<uint(bits-ones) - 2
+
+	if total <= 0 {
 		return nil, errors.New("ipnet don't have valid ip")
 	}
 
+	max := min + uint32(total) - 1
 	pool := &Pool{
-		gateway: gateway,
-		first:   first,
-		last:    last,
-		offset:  first.Prev(),
-		cycle:   false,
+		min:     min,
+		max:     max,
+		gateway: min - 1,
 		host:    options.Host,
 		ipnet:   options.IPNet,
 	}
@@ -188,10 +167,10 @@ func New(options Options) (*Pool, error) {
 			cache: cachefile.Cache(),
 		}
 	} else {
-		pool.store = newMemoryStore(options.Size)
+		pool.store = &memoryStore{
+			cache: cache.New(cache.WithSize(options.Size * 2)),
+		}
 	}
 
-	pool.restoreState()
-
 	return pool, nil
 }

component/fakeip/pool_test.go

@@ -2,7 +2,7 @@ package fakeip
 
 import (
 	"fmt"
-	"net/netip"
+	"net"
 	"os"
 	"testing"
 	"time"
@@ -49,9 +49,9 @@ func createCachefileStore(options Options) (*Pool, string, error) {
 }
 
 func TestPool_Basic(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.0/28")
+	_, ipnet, _ := net.ParseCIDR("192.168.0.1/29")
 	pools, tempfile, err := createPools(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  10,
 	})
 	assert.Nil(t, err)
@@ -62,24 +62,23 @@ func TestPool_Basic(t *testing.T) {
 		last := pool.Lookup("bar.com")
 		bar, exist := pool.LookBack(last)
 
-		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, 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, exist)
 		assert.Equal(t, bar, "bar.com")
-		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.Gateway(), net.IP{192, 168, 0, 1})
 		assert.Equal(t, pool.IPNet().String(), ipnet.String())
-		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")))
+		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")))
 	}
 }
 
-func TestPool_BasicV6(t *testing.T) {
-	ipnet := netip.MustParsePrefix("2001:4860:4860::8888/118")
+func TestPool_Case_Insensitive(t *testing.T) {
+	_, ipnet, _ := net.ParseCIDR("192.168.0.1/29")
 	pools, tempfile, err := createPools(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  10,
 	})
 	assert.Nil(t, err)
@@ -87,27 +86,20 @@ func TestPool_BasicV6(t *testing.T) {
 
 	for _, pool := range pools {
 		first := pool.Lookup("foo.com")
-		last := pool.Lookup("bar.com")
-		bar, exist := pool.LookBack(last)
+		last := pool.Lookup("Foo.Com")
+		foo, 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, first.Equal(pool.Lookup("Foo.Com")))
+		assert.Equal(t, pool.Lookup("fOo.cOM"), first)
 		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")))
+		assert.Equal(t, foo, "foo.com")
 	}
 }
 
 func TestPool_CycleUsed(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.16/28")
+	_, ipnet, _ := net.ParseCIDR("192.168.0.1/29")
 	pools, tempfile, err := createPools(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  10,
 	})
 	assert.Nil(t, err)
@@ -116,22 +108,22 @@ func TestPool_CycleUsed(t *testing.T) {
 	for _, pool := range pools {
 		foo := pool.Lookup("foo.com")
 		bar := pool.Lookup("bar.com")
-		for i := 0; i < 10; i++ {
+		for i := 0; i < 3; 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)
+		assert.True(t, foo.Equal(baz))
+		assert.True(t, next.Equal(bar))
 	}
 }
 
 func TestPool_Skip(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/29")
-	tree := trie.New[bool]()
-	tree.Insert("example.com", true)
+	_, ipnet, _ := net.ParseCIDR("192.168.0.1/30")
+	tree := trie.New()
+	tree.Insert("example.com", tree)
 	pools, tempfile, err := createPools(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  10,
 		Host:  tree,
 	})
@@ -145,9 +137,9 @@ func TestPool_Skip(t *testing.T) {
 }
 
 func TestPool_MaxCacheSize(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/24")
+	_, ipnet, _ := net.ParseCIDR("192.168.0.1/24")
 	pool, _ := New(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  2,
 	})
 
@@ -156,13 +148,13 @@ func TestPool_MaxCacheSize(t *testing.T) {
 	pool.Lookup("baz.com")
 	next := pool.Lookup("foo.com")
 
-	assert.False(t, first == next)
+	assert.False(t, first.Equal(next))
 }
 
 func TestPool_DoubleMapping(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/24")
+	_, ipnet, _ := net.ParseCIDR("192.168.0.1/24")
 	pool, _ := New(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  2,
 	})
 
@@ -186,23 +178,23 @@ func TestPool_DoubleMapping(t *testing.T) {
 	assert.False(t, bazExist)
 	assert.True(t, barExist)
 
-	assert.False(t, bazIP == newBazIP)
+	assert.False(t, bazIP.Equal(newBazIP))
 }
 
 func TestPool_Clone(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/24")
+	_, ipnet, _ := net.ParseCIDR("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 == netip.AddrFrom4([4]byte{192, 168, 0, 3}))
-	assert.True(t, last == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
+	assert.True(t, first.Equal(net.IP{192, 168, 0, 2}))
+	assert.True(t, last.Equal(net.IP{192, 168, 0, 3}))
 
 	newPool, _ := New(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  2,
 	})
 	newPool.CloneFrom(pool)
@@ -213,71 +205,11 @@ func TestPool_Clone(t *testing.T) {
 }
 
 func TestPool_Error(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/31")
+	_, ipnet, _ := net.ParseCIDR("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

@@ -1,51 +0,0 @@
-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

@@ -1,86 +0,0 @@
-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

@@ -1,17 +0,0 @@
-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

@@ -1,143 +0,0 @@
-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

@@ -1,107 +0,0 @@
-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

@@ -1,40 +0,0 @@
-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

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

component/geodata/router/condition.go

@@ -1,71 +0,0 @@
-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

@@ -1,725 +0,0 @@
-// 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

@@ -1,68 +0,0 @@
-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

@@ -1,84 +0,0 @@
-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

@@ -1,241 +0,0 @@
-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

@@ -1,98 +0,0 @@
-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
-	}
-}

component/geodata/strmatcher/full_matcher.go

@@ -1,25 +0,0 @@
-package strmatcher
-
-type FullMatcherGroup struct {
-	matchers map[string][]uint32
-}
-
-func (g *FullMatcherGroup) Add(domain string, value uint32) {
-	if g.matchers == nil {
-		g.matchers = make(map[string][]uint32)
-	}
-
-	g.matchers[domain] = append(g.matchers[domain], value)
-}
-
-func (g *FullMatcherGroup) addMatcher(m fullMatcher, value uint32) {
-	g.Add(string(m), value)
-}
-
-func (g *FullMatcherGroup) Match(str string) []uint32 {
-	if g.matchers == nil {
-		return nil
-	}
-
-	return g.matchers[str]
-}

component/geodata/strmatcher/matchers.go

@@ -1,52 +0,0 @@
-package strmatcher
-
-import (
-	"regexp"
-	"strings"
-)
-
-type fullMatcher string
-
-func (m fullMatcher) Match(s string) bool {
-	return string(m) == s
-}
-
-func (m fullMatcher) String() string {
-	return "full:" + string(m)
-}
-
-type substrMatcher string
-
-func (m substrMatcher) Match(s string) bool {
-	return strings.Contains(s, string(m))
-}
-
-func (m substrMatcher) String() string {
-	return "keyword:" + string(m)
-}
-
-type domainMatcher string
-
-func (m domainMatcher) Match(s string) bool {
-	pattern := string(m)
-	if !strings.HasSuffix(s, pattern) {
-		return false
-	}
-	return len(s) == len(pattern) || s[len(s)-len(pattern)-1] == '.'
-}
-
-func (m domainMatcher) String() string {
-	return "domain:" + string(m)
-}
-
-type regexMatcher struct {
-	pattern *regexp.Regexp
-}
-
-func (m *regexMatcher) Match(s string) bool {
-	return m.pattern.MatchString(s)
-}
-
-func (m *regexMatcher) String() string {
-	return "regexp:" + m.pattern.String()
-}

component/geodata/strmatcher/mph_matcher.go

@@ -1,304 +0,0 @@
-package strmatcher
-
-import (
-	"math/bits"
-	"regexp"
-	"sort"
-	"strings"
-	"unsafe"
-)
-
-// PrimeRK is the prime base used in Rabin-Karp algorithm.
-const PrimeRK = 16777619
-
-// calculate the rolling murmurHash of given string
-func RollingHash(s string) uint32 {
-	h := uint32(0)
-	for i := len(s) - 1; i >= 0; i-- {
-		h = h*PrimeRK + uint32(s[i])
-	}
-	return h
-}
-
-// A MphMatcherGroup is divided into three parts:
-// 1. `full` and `domain` patterns are matched by Rabin-Karp algorithm and minimal perfect hash table;
-// 2. `substr` patterns are matched by ac automaton;
-// 3. `regex` patterns are matched with the regex library.
-type MphMatcherGroup struct {
-	ac            *ACAutomaton
-	otherMatchers []matcherEntry
-	rules         []string
-	level0        []uint32
-	level0Mask    int
-	level1        []uint32
-	level1Mask    int
-	count         uint32
-	ruleMap       *map[string]uint32
-}
-
-func (g *MphMatcherGroup) AddFullOrDomainPattern(pattern string, t Type) {
-	h := RollingHash(pattern)
-	switch t {
-	case Domain:
-		(*g.ruleMap)["."+pattern] = h*PrimeRK + uint32('.')
-		fallthrough
-	case Full:
-		(*g.ruleMap)[pattern] = h
-	default:
-	}
-}
-
-func NewMphMatcherGroup() *MphMatcherGroup {
-	return &MphMatcherGroup{
-		ac:            nil,
-		otherMatchers: nil,
-		rules:         nil,
-		level0:        nil,
-		level0Mask:    0,
-		level1:        nil,
-		level1Mask:    0,
-		count:         1,
-		ruleMap:       &map[string]uint32{},
-	}
-}
-
-// AddPattern adds a pattern to MphMatcherGroup
-func (g *MphMatcherGroup) AddPattern(pattern string, t Type) (uint32, error) {
-	switch t {
-	case Substr:
-		if g.ac == nil {
-			g.ac = NewACAutomaton()
-		}
-		g.ac.Add(pattern, t)
-	case Full, Domain:
-		pattern = strings.ToLower(pattern)
-		g.AddFullOrDomainPattern(pattern, t)
-	case Regex:
-		r, err := regexp.Compile(pattern)
-		if err != nil {
-			return 0, err
-		}
-		g.otherMatchers = append(g.otherMatchers, matcherEntry{
-			m:  &regexMatcher{pattern: r},
-			id: g.count,
-		})
-	default:
-		panic("Unknown type")
-	}
-	return g.count, nil
-}
-
-// Build builds a minimal perfect hash table and ac automaton from insert rules
-func (g *MphMatcherGroup) Build() {
-	if g.ac != nil {
-		g.ac.Build()
-	}
-	keyLen := len(*g.ruleMap)
-	if keyLen == 0 {
-		keyLen = 1
-		(*g.ruleMap)["empty___"] = RollingHash("empty___")
-	}
-	g.level0 = make([]uint32, nextPow2(keyLen/4))
-	g.level0Mask = len(g.level0) - 1
-	g.level1 = make([]uint32, nextPow2(keyLen))
-	g.level1Mask = len(g.level1) - 1
-	sparseBuckets := make([][]int, len(g.level0))
-	var ruleIdx int
-	for rule, hash := range *g.ruleMap {
-		n := int(hash) & g.level0Mask
-		g.rules = append(g.rules, rule)
-		sparseBuckets[n] = append(sparseBuckets[n], ruleIdx)
-		ruleIdx++
-	}
-	g.ruleMap = nil
-	var buckets []indexBucket
-	for n, vals := range sparseBuckets {
-		if len(vals) > 0 {
-			buckets = append(buckets, indexBucket{n, vals})
-		}
-	}
-	sort.Sort(bySize(buckets))
-
-	occ := make([]bool, len(g.level1))
-	var tmpOcc []int
-	for _, bucket := range buckets {
-		seed := uint32(0)
-		for {
-			findSeed := true
-			tmpOcc = tmpOcc[:0]
-			for _, i := range bucket.vals {
-				n := int(strhashFallback(unsafe.Pointer(&g.rules[i]), uintptr(seed))) & g.level1Mask
-				if occ[n] {
-					for _, n := range tmpOcc {
-						occ[n] = false
-					}
-					seed++
-					findSeed = false
-					break
-				}
-				occ[n] = true
-				tmpOcc = append(tmpOcc, n)
-				g.level1[n] = uint32(i)
-			}
-			if findSeed {
-				g.level0[bucket.n] = seed
-				break
-			}
-		}
-	}
-}
-
-func nextPow2(v int) int {
-	if v <= 1 {
-		return 1
-	}
-	const MaxUInt = ^uint(0)
-	n := (MaxUInt >> bits.LeadingZeros(uint(v))) + 1
-	return int(n)
-}
-
-// Lookup searches for s in t and returns its index and whether it was found.
-func (g *MphMatcherGroup) Lookup(h uint32, s string) bool {
-	i0 := int(h) & g.level0Mask
-	seed := g.level0[i0]
-	i1 := int(strhashFallback(unsafe.Pointer(&s), uintptr(seed))) & g.level1Mask
-	n := g.level1[i1]
-	return s == g.rules[int(n)]
-}
-
-// Match implements IndexMatcher.Match.
-func (g *MphMatcherGroup) Match(pattern string) []uint32 {
-	result := []uint32{}
-	hash := uint32(0)
-	for i := len(pattern) - 1; i >= 0; i-- {
-		hash = hash*PrimeRK + uint32(pattern[i])
-		if pattern[i] == '.' {
-			if g.Lookup(hash, pattern[i:]) {
-				result = append(result, 1)
-				return result
-			}
-		}
-	}
-	if g.Lookup(hash, pattern) {
-		result = append(result, 1)
-		return result
-	}
-	if g.ac != nil && g.ac.Match(pattern) {
-		result = append(result, 1)
-		return result
-	}
-	for _, e := range g.otherMatchers {
-		if e.m.Match(pattern) {
-			result = append(result, e.id)
-			return result
-		}
-	}
-	return nil
-}
-
-type indexBucket struct {
-	n    int
-	vals []int
-}
-
-type bySize []indexBucket
-
-func (s bySize) Len() int           { return len(s) }
-func (s bySize) Less(i, j int) bool { return len(s[i].vals) > len(s[j].vals) }
-func (s bySize) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
-
-type stringStruct struct {
-	str unsafe.Pointer
-	len int
-}
-
-func strhashFallback(a unsafe.Pointer, h uintptr) uintptr {
-	x := (*stringStruct)(a)
-	return memhashFallback(x.str, h, uintptr(x.len))
-}
-
-const (
-	// Constants for multiplication: four random odd 64-bit numbers.
-	m1 = 16877499708836156737
-	m2 = 2820277070424839065
-	m3 = 9497967016996688599
-	m4 = 15839092249703872147
-)
-
-var hashkey = [4]uintptr{1, 1, 1, 1}
-
-func memhashFallback(p unsafe.Pointer, seed, s uintptr) uintptr {
-	h := uint64(seed + s*hashkey[0])
-tail:
-	switch {
-	case s == 0:
-	case s < 4:
-		h ^= uint64(*(*byte)(p))
-		h ^= uint64(*(*byte)(add(p, s>>1))) << 8
-		h ^= uint64(*(*byte)(add(p, s-1))) << 16
-		h = rotl31(h*m1) * m2
-	case s <= 8:
-		h ^= uint64(readUnaligned32(p))
-		h ^= uint64(readUnaligned32(add(p, s-4))) << 32
-		h = rotl31(h*m1) * m2
-	case s <= 16:
-		h ^= readUnaligned64(p)
-		h = rotl31(h*m1) * m2
-		h ^= readUnaligned64(add(p, s-8))
-		h = rotl31(h*m1) * m2
-	case s <= 32:
-		h ^= readUnaligned64(p)
-		h = rotl31(h*m1) * m2
-		h ^= readUnaligned64(add(p, 8))
-		h = rotl31(h*m1) * m2
-		h ^= readUnaligned64(add(p, s-16))
-		h = rotl31(h*m1) * m2
-		h ^= readUnaligned64(add(p, s-8))
-		h = rotl31(h*m1) * m2
-	default:
-		v1 := h
-		v2 := uint64(seed * hashkey[1])
-		v3 := uint64(seed * hashkey[2])
-		v4 := uint64(seed * hashkey[3])
-		for s >= 32 {
-			v1 ^= readUnaligned64(p)
-			v1 = rotl31(v1*m1) * m2
-			p = add(p, 8)
-			v2 ^= readUnaligned64(p)
-			v2 = rotl31(v2*m2) * m3
-			p = add(p, 8)
-			v3 ^= readUnaligned64(p)
-			v3 = rotl31(v3*m3) * m4
-			p = add(p, 8)
-			v4 ^= readUnaligned64(p)
-			v4 = rotl31(v4*m4) * m1
-			p = add(p, 8)
-			s -= 32
-		}
-		h = v1 ^ v2 ^ v3 ^ v4
-		goto tail
-	}
-
-	h ^= h >> 29
-	h *= m3
-	h ^= h >> 32
-	return uintptr(h)
-}
-
-func add(p unsafe.Pointer, x uintptr) unsafe.Pointer {
-	return unsafe.Pointer(uintptr(p) + x)
-}
-
-func readUnaligned32(p unsafe.Pointer) uint32 {
-	q := (*[4]byte)(p)
-	return uint32(q[0]) | uint32(q[1])<<8 | uint32(q[2])<<16 | uint32(q[3])<<24
-}
-
-func rotl31(x uint64) uint64 {
-	return (x << 31) | (x >> (64 - 31))
-}
-
-func readUnaligned64(p unsafe.Pointer) uint64 {
-	q := (*[8]byte)(p)
-	return uint64(q[0]) | uint64(q[1])<<8 | uint64(q[2])<<16 | uint64(q[3])<<24 | uint64(q[4])<<32 | uint64(q[5])<<40 | uint64(q[6])<<48 | uint64(q[7])<<56
-}

component/geodata/strmatcher/package_info.go

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

component/geodata/strmatcher/strmatcher.go

@@ -1,107 +0,0 @@
-package strmatcher
-
-import (
-	"regexp"
-)
-
-// Matcher is the interface to determine a string matches a pattern.
-type Matcher interface {
-	// Match returns true if the given string matches a predefined pattern.
-	Match(string) bool
-	String() string
-}
-
-// Type is the type of the matcher.
-type Type byte
-
-const (
-	// Full is the type of matcher that the input string must exactly equal to the pattern.
-	Full Type = iota
-	// Substr is the type of matcher that the input string must contain the pattern as a sub-string.
-	Substr
-	// Domain is the type of matcher that the input string must be a sub-domain or itself of the pattern.
-	Domain
-	// Regex is the type of matcher that the input string must matches the regular-expression pattern.
-	Regex
-)
-
-// New creates a new Matcher based on the given pattern.
-func (t Type) New(pattern string) (Matcher, error) {
-	// 1. regex matching is case-sensitive
-	switch t {
-	case Full:
-		return fullMatcher(pattern), nil
-	case Substr:
-		return substrMatcher(pattern), nil
-	case Domain:
-		return domainMatcher(pattern), nil
-	case Regex:
-		r, err := regexp.Compile(pattern)
-		if err != nil {
-			return nil, err
-		}
-		return &regexMatcher{
-			pattern: r,
-		}, nil
-	default:
-		panic("Unknown type")
-	}
-}
-
-// IndexMatcher is the interface for matching with a group of matchers.
-type IndexMatcher interface {
-	// Match returns the index of a matcher that matches the input. It returns empty array if no such matcher exists.
-	Match(input string) []uint32
-}
-
-type matcherEntry struct {
-	m  Matcher
-	id uint32
-}
-
-// MatcherGroup is an implementation of IndexMatcher.
-// Empty initialization works.
-type MatcherGroup struct {
-	count         uint32
-	fullMatcher   FullMatcherGroup
-	domainMatcher DomainMatcherGroup
-	otherMatchers []matcherEntry
-}
-
-// Add adds a new Matcher into the MatcherGroup, and returns its index. The index will never be 0.
-func (g *MatcherGroup) Add(m Matcher) uint32 {
-	g.count++
-	c := g.count
-
-	switch tm := m.(type) {
-	case fullMatcher:
-		g.fullMatcher.addMatcher(tm, c)
-	case domainMatcher:
-		g.domainMatcher.addMatcher(tm, c)
-	default:
-		g.otherMatchers = append(g.otherMatchers, matcherEntry{
-			m:  m,
-			id: c,
-		})
-	}
-
-	return c
-}
-
-// Match implements IndexMatcher.Match.
-func (g *MatcherGroup) Match(pattern string) []uint32 {
-	result := []uint32{}
-	result = append(result, g.fullMatcher.Match(pattern)...)
-	result = append(result, g.domainMatcher.Match(pattern)...)
-	for _, e := range g.otherMatchers {
-		if e.m.Match(pattern) {
-			result = append(result, e.id)
-		}
-	}
-	return result
-}
-
-// Size returns the number of matchers in the MatcherGroup.
-func (g *MatcherGroup) Size() uint32 {
-	return g.count
-}

component/geodata/utils.go

@@ -1,62 +0,0 @@
-package geodata
-
-import (
-	"github.com/Dreamacro/clash/component/geodata/router"
-
-	"golang.org/x/exp/maps"
-)
-
-func loadGeoSiteMatcher(countryCode string) (*router.DomainMatcher, int, error) {
-	geoLoaderName := "standard"
-	geoLoader, err := GetGeoDataLoader(geoLoaderName)
-	if err != nil {
-		return nil, 0, err
-	}
-
-	domains, err := geoLoader.LoadGeoSite(countryCode)
-	if err != nil {
-		return nil, 0, err
-	}
-
-	/**
-	linear: linear algorithm
-	matcher, err := router.NewDomainMatcher(domains)
-	mph：minimal perfect hash algorithm
-	*/
-	matcher, err := router.NewMphMatcherGroup(domains)
-	if err != nil {
-		return nil, 0, err
-	}
-
-	return matcher, len(domains), nil
-}
-
-var ruleProviders = make(map[string]*router.DomainMatcher)
-
-// HasProvider has geo site provider by county code
-func HasProvider(countyCode string) (ok bool) {
-	_, ok = ruleProviders[countyCode]
-	return ok
-}
-
-// GetProvidersList get geo site providers
-func GetProvidersList(countyCode string) []*router.DomainMatcher {
-	return maps.Values(ruleProviders)
-}
-
-// GetProviderByCode get geo site provider by county code
-func GetProviderByCode(countyCode string) (matcher *router.DomainMatcher, ok bool) {
-	matcher, ok = ruleProviders[countyCode]
-	return
-}
-
-func LoadProviderByCode(countyCode string) (matcher *router.DomainMatcher, count int, err error) {
-	var ok bool
-	matcher, ok = ruleProviders[countyCode]
-	if !ok {
-		if matcher, count, err = loadGeoSiteMatcher(countyCode); err == nil {
-			ruleProviders[countyCode] = matcher
-		}
-	}
-	return
-}

component/iface/iface.go

@@ -3,7 +3,6 @@ package iface
 import (
 	"errors"
 	"net"
-	"net/netip"
 	"time"
 
 	"github.com/Dreamacro/clash/common/singledo"
@@ -12,7 +11,7 @@ import (
 type Interface struct {
 	Index        int
 	Name         string
-	Addrs        []*netip.Prefix
+	Addrs        []*net.IPNet
 	HardwareAddr net.HardwareAddr
 }
 
@@ -21,10 +20,10 @@ var (
 	ErrAddrNotFound  = errors.New("addr not found")
 )
 
-var interfaces = singledo.NewSingle[map[string]*Interface](time.Second * 20)
+var interfaces = singledo.NewSingle(time.Second * 20)
 
 func ResolveInterface(name string) (*Interface, error) {
-	value, err, _ := interfaces.Do(func() (map[string]*Interface, error) {
+	value, err, _ := interfaces.Do(func() (any, error) {
 		ifaces, err := net.Interfaces()
 		if err != nil {
 			return nil, err
@@ -38,18 +37,14 @@ func ResolveInterface(name string) (*Interface, error) {
 				continue
 			}
 
-			ipNets := make([]*netip.Prefix, 0, len(addrs))
+			ipNets := make([]*net.IPNet, 0, len(addrs))
 			for _, addr := range addrs {
 				ipNet := addr.(*net.IPNet)
-				ip, _ := netip.AddrFromSlice(ipNet.IP)
-
-				ones, bits := ipNet.Mask.Size()
-				if bits == 32 {
-					ip = ip.Unmap()
+				if v4 := ipNet.IP.To4(); v4 != nil {
+					ipNet.IP = v4
 				}
 
-				pf := netip.PrefixFrom(ip, ones)
-				ipNets = append(ipNets, &pf)
+				ipNets = append(ipNets, ipNet)
 			}
 
 			r[iface.Name] = &Interface{
@@ -66,7 +61,7 @@ func ResolveInterface(name string) (*Interface, error) {
 		return nil, err
 	}
 
-	ifaces := value
+	ifaces := value.(map[string]*Interface)
 	iface, ok := ifaces[name]
 	if !ok {
 		return nil, ErrIfaceNotFound
@@ -79,35 +74,35 @@ func FlushCache() {
 	interfaces.Reset()
 }
 
-func (iface *Interface) PickIPv4Addr(destination netip.Addr) (*netip.Prefix, error) {
-	return iface.pickIPAddr(destination, func(addr *netip.Prefix) bool {
-		return addr.Addr().Is4()
+func (iface *Interface) PickIPv4Addr(destination net.IP) (*net.IPNet, error) {
+	return iface.pickIPAddr(destination, func(addr *net.IPNet) bool {
+		return addr.IP.To4() != nil
 	})
 }
 
-func (iface *Interface) PickIPv6Addr(destination netip.Addr) (*netip.Prefix, error) {
-	return iface.pickIPAddr(destination, func(addr *netip.Prefix) bool {
-		return addr.Addr().Is6()
+func (iface *Interface) PickIPv6Addr(destination net.IP) (*net.IPNet, error) {
+	return iface.pickIPAddr(destination, func(addr *net.IPNet) bool {
+		return addr.IP.To4() == nil
 	})
 }
 
-func (iface *Interface) pickIPAddr(destination netip.Addr, accept func(addr *netip.Prefix) bool) (*netip.Prefix, error) {
-	var fallback *netip.Prefix
+func (iface *Interface) pickIPAddr(destination net.IP, accept func(addr *net.IPNet) bool) (*net.IPNet, error) {
+	var fallback *net.IPNet
 
 	for _, addr := range iface.Addrs {
 		if !accept(addr) {
 			continue
 		}
 
-		if fallback == nil && !addr.Addr().IsLinkLocalUnicast() {
+		if fallback == nil && !addr.IP.IsLinkLocalUnicast() {
 			fallback = addr
 
-			if !destination.IsValid() {
+			if destination == nil {
 				break
 			}
 		}
 
-		if destination.IsValid() && addr.Contains(destination) {
+		if destination != nil && addr.Contains(destination) {
 			return addr, nil
 		}
 	}

component/pool/pool.go

@@ -6,55 +6,55 @@ import (
 	"time"
 )
 
-type Factory[T any] func(context.Context) (T, error)
+type Factory = func(context.Context) (any, error)
 
-type entry[T any] struct {
-	elm  T
+type entry struct {
+	elm  any
 	time time.Time
 }
 
-type Option[T any] func(*pool[T])
+type Option func(*pool)
 
 // WithEvict set the evict callback
-func WithEvict[T any](cb func(T)) Option[T] {
-	return func(p *pool[T]) {
+func WithEvict(cb func(any)) Option {
+	return func(p *pool) {
 		p.evict = cb
 	}
 }
 
 // WithAge defined element max age (millisecond)
-func WithAge[T any](maxAge int64) Option[T] {
-	return func(p *pool[T]) {
+func WithAge(maxAge int64) Option {
+	return func(p *pool) {
 		p.maxAge = maxAge
 	}
 }
 
 // WithSize defined max size of Pool
-func WithSize[T any](maxSize int) Option[T] {
-	return func(p *pool[T]) {
-		p.ch = make(chan *entry[T], maxSize)
+func WithSize(maxSize int) Option {
+	return func(p *pool) {
+		p.ch = make(chan any, maxSize)
 	}
 }
 
 // Pool is for GC, see New for detail
-type Pool[T any] struct {
-	*pool[T]
+type Pool struct {
+	*pool
 }
 
-type pool[T any] struct {
-	ch      chan *entry[T]
-	factory Factory[T]
-	evict   func(T)
+type pool struct {
+	ch      chan any
+	factory Factory
+	evict   func(any)
 	maxAge  int64
 }
 
-func (p *pool[T]) GetContext(ctx context.Context) (T, error) {
+func (p *pool) GetContext(ctx context.Context) (any, error) {
 	now := time.Now()
 	for {
 		select {
 		case item := <-p.ch:
-			elm := item
-			if p.maxAge != 0 && now.Sub(item.time).Milliseconds() > p.maxAge {
+			elm := item.(*entry)
+			if p.maxAge != 0 && now.Sub(item.(*entry).time).Milliseconds() > p.maxAge {
 				if p.evict != nil {
 					p.evict(elm.elm)
 				}
@@ -68,12 +68,12 @@ func (p *pool[T]) GetContext(ctx context.Context) (T, error) {
 	}
 }
 
-func (p *pool[T]) Get() (T, error) {
+func (p *pool) Get() (any, error) {
 	return p.GetContext(context.Background())
 }
 
-func (p *pool[T]) Put(item T) {
-	e := &entry[T]{
+func (p *pool) Put(item any) {
+	e := &entry{
 		elm:  item,
 		time: time.Now(),
 	}
@@ -90,17 +90,17 @@ func (p *pool[T]) Put(item T) {
 	}
 }
 
-func recycle[T any](p *Pool[T]) {
+func recycle(p *Pool) {
 	for item := range p.pool.ch {
 		if p.pool.evict != nil {
-			p.pool.evict(item.elm)
+			p.pool.evict(item.(*entry).elm)
 		}
 	}
 }
 
-func New[T any](factory Factory[T], options ...Option[T]) *Pool[T] {
-	p := &pool[T]{
-		ch:      make(chan *entry[T], 10),
+func New(factory Factory, options ...Option) *Pool {
+	p := &pool{
+		ch:      make(chan any, 10),
 		factory: factory,
 	}
 
@@ -108,7 +108,7 @@ func New[T any](factory Factory[T], options ...Option[T]) *Pool[T] {
 		option(p)
 	}
 
-	P := &Pool[T]{p}
-	runtime.SetFinalizer(P, recycle[T])
+	P := &Pool{p}
+	runtime.SetFinalizer(P, recycle)
 	return P
 }

component/pool/pool_test.go

@@ -8,9 +8,9 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func lg() Factory[int] {
+func lg() Factory {
 	initial := -1
-	return func(context.Context) (int, error) {
+	return func(context.Context) (any, error) {
 		initial++
 		return initial, nil
 	}
@@ -18,23 +18,23 @@ func lg() Factory[int] {
 
 func TestPool_Basic(t *testing.T) {
 	g := lg()
-	pool := New[int](g)
+	pool := New(g)
 
 	elm, _ := pool.Get()
-	assert.Equal(t, 0, elm)
+	assert.Equal(t, 0, elm.(int))
 	pool.Put(elm)
 	elm, _ = pool.Get()
-	assert.Equal(t, 0, elm)
+	assert.Equal(t, 0, elm.(int))
 	elm, _ = pool.Get()
-	assert.Equal(t, 1, elm)
+	assert.Equal(t, 1, elm.(int))
 }
 
 func TestPool_MaxSize(t *testing.T) {
 	g := lg()
 	size := 5
-	pool := New[int](g, WithSize[int](size))
+	pool := New(g, WithSize(size))
 
-	var items []int
+	items := []any{}
 
 	for i := 0; i < size; i++ {
 		item, _ := pool.Get()
@@ -42,7 +42,7 @@ func TestPool_MaxSize(t *testing.T) {
 	}
 
 	extra, _ := pool.Get()
-	assert.Equal(t, size, extra)
+	assert.Equal(t, size, extra.(int))
 
 	for _, item := range items {
 		pool.Put(item)
@@ -52,22 +52,22 @@ func TestPool_MaxSize(t *testing.T) {
 
 	for _, item := range items {
 		elm, _ := pool.Get()
-		assert.Equal(t, item, elm)
+		assert.Equal(t, item.(int), elm.(int))
 	}
 }
 
 func TestPool_MaxAge(t *testing.T) {
 	g := lg()
-	pool := New[int](g, WithAge[int](20))
+	pool := New(g, WithAge(20))
 
 	elm, _ := pool.Get()
 	pool.Put(elm)
 
 	elm, _ = pool.Get()
-	assert.Equal(t, 0, elm)
+	assert.Equal(t, 0, elm.(int))
 	pool.Put(elm)
 
 	time.Sleep(time.Millisecond * 22)
 	elm, _ = pool.Get()
-	assert.Equal(t, 1, elm)
+	assert.Equal(t, 1, elm.(int))
 }