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Mazeorz 2021-11-17 16:03:47 +08:00
parent 1f3968bd50
commit 900e852525
115 changed files with 9990 additions and 585 deletions
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76
.github/ISSUE_TEMPLATE/bug_report.yml vendored
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@ -1,76 +0,0 @@
name: Bug report
description: Create a report to help us improve
title: "[Bug] "
body:
- type: checkboxes
id: ensure
attributes:
label: Verify steps
description: "
在提交之前，请确认
Please verify that you've followed these steps
"
options:
- label: "
如果你可以自己 debug 并解决的话，提交 PR 吧
Is this something you can **debug and fix**? Send a pull request! Bug fixes and documentation fixes are welcome.
"
required: true
- label: "
我已经在 [Issue Tracker](……/) 中找过我要提出的问题
I have searched on the [issue tracker](……/) for a related issue.
"
required: true
- label: "
我已经使用 dev 分支版本测试过，问题依旧存在
I have tested using the dev branch, and the issue still exists.
"
required: true
- label: "
我已经仔细看过 [Documentation](https://github.com/Dreamacro/clash/wiki/) 并无法自行解决问题
I have read the [documentation](https://github.com/Dreamacro/clash/wiki/) and was unable to solve the issue.
"
required: true
- label: "
这是 Clash 核心的问题，并非我所使用的 Clash 衍生版本（如 OpenClash、KoolClash 等）的特定问题
This is an issue of the Clash core *per se*, not to the derivatives of Clash, like OpenClash or KoolClash.
"
required: true
- type: input
attributes:
label: Clash version
validations:
required: true
- type: dropdown
id: os
attributes:
label: What OS are you seeing the problem on?
multiple: true
options:
- macOS
- Windows
- Linux
- OpenBSD/FreeBSD
- type: textarea
attributes:
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.
"
validations:
required: true
- type: textarea
attributes:
render: shell
label: Clash log
description: "
在下方附上 Clash Core 的日志，log level 使用 DEBUG
Paste the Clash core log below with the log level set to `DEBUG`.
"
- type: textarea
attributes:
label: Description
validations:
required: true

6
.github/ISSUE_TEMPLATE/config.yml vendored
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@ -1,6 +0,0 @@
blank_issues_enabled: false
contact_links:
- name: Get help in GitHub Discussions
url: https://github.com/Dreamacro/clash/discussions
about: Have a question? Not sure if your issue affects everyone reproducibly? The quickest way to get help is on Clash's GitHub Discussions!

36
.github/ISSUE_TEMPLATE/feature_request.yml vendored
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@ -1,36 +0,0 @@
name: Feature request
description: Suggest an idea for this project
title: "[Feature] "
body:
- type: checkboxes
id: ensure
attributes:
label: Verify steps
description: "
在提交之前，请确认
Please verify that you've followed these steps
"
options:
- label: "
我已经在 [Issue Tracker](……/) 中找过我要提出的请求
I have searched on the [issue tracker](……/) for a related feature request.
"
required: true
- label: "
我已经仔细看过 [Documentation](https://github.com/Dreamacro/clash/wiki/) 并无法自行解决问题
I have read the [documentation](https://github.com/Dreamacro/clash/wiki/) and was unable to solve the issue.
"
required: true
- type: textarea
attributes:
label: Description
description: 请详细、清晰地表达你要提出的论述，例如这个问题如何影响到你？你想实现什么功能？目前 Clash Core 的行为是什麽？
validations:
required: true
- type: textarea
attributes:
label: Possible Solution
description: "
此项非必须，但是如果你有想法的话欢迎提出。
Not obligatory, but suggest a fix/reason for the bug, or ideas how to implement the addition or change
"

30
.github/workflows/codeql-analysis.yml vendored
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@ -1,30 +0,0 @@
name: "CodeQL"
on:
push:
branches: [ master, dev ]
jobs:
analyze:
name: Analyze
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
language: [ 'go' ]
steps:
- name: Checkout repository
uses: actions/checkout@v2
- name: Initialize CodeQL
uses: github/codeql-action/init@v1
with:
languages: ${{ matrix.language }}
- name: Autobuild
uses: github/codeql-action/autobuild@v1
- name: Perform CodeQL Analysis
uses: github/codeql-action/analyze@v1

76
.github/workflows/docker.yml vendored
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@ -1,76 +0,0 @@
name: Publish Docker Image
on:
push:
branches:
- dev
tags:
- '*'
jobs:
build:
name: Build
runs-on: ubuntu-latest
steps:
- name: Check out code into the Go module directory
uses: actions/checkout@v2
with:
fetch-depth: 0
- name: Set up QEMU
uses: docker/setup-qemu-action@v1
with:
platforms: all
- name: Set up docker buildx
id: buildx
uses: docker/setup-buildx-action@v1
with:
version: latest
- name: Login to DockerHub
uses: docker/login-action@v1
with:
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
- name: Login to Github Package
uses: docker/login-action@v1
with:
registry: ghcr.io
username: Dreamacro
password: ${{ secrets.PACKAGE_TOKEN }}
- name: Build dev branch and push
if: github.ref == 'refs/heads/dev'
uses: docker/build-push-action@v2
with:
context: .
platforms: linux/amd64,linux/arm/v7,linux/arm64
push: true
tags: 'dreamacro/clash:dev,ghcr.io/dreamacro/clash:dev'
- name: Get all docker tags
if: startsWith(github.ref, 'refs/tags/')
uses: actions/github-script@v4
id: tags
with:
script: |
const ref = `${context.payload.ref.replace(/\/?refs\/tags\//, '')}`
const tags = [
'dreamacro/clash:latest',
`dreamacro/clash:${ref}`,
'ghcr.io/dreamacro/clash:latest',
`ghcr.io/dreamacro/clash:${ref}`
]
return tags.join(',')
result-encoding: string
- name: Build release and push
if: startsWith(github.ref, 'refs/tags/')
uses: docker/build-push-action@v2
with:
context: .
platforms: linux/amd64,linux/arm/v7,linux/arm64
push: true
tags: ${{steps.tags.outputs.result}}

12
.github/workflows/linter.yml vendored
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@ -1,12 +0,0 @@
name: Linter
on: [push, pull_request]
jobs:
lint:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- name: golangci-lint
uses: golangci/golangci-lint-action@v2
with:
version: latest
args: --disable-all -E govet -E gofumpt -E megacheck ./...

44
.github/workflows/release.yml vendored
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@ -1,44 +0,0 @@
name: Release
on: [push]
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
with:
go-version: ${{ steps.version.outputs.go_version }}
- name: Check out code into the Go module directory
uses: actions/checkout@v2
- name: Cache go module
uses: actions/cache@v2
with:
path: ~/go/pkg/mod
key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
restore-keys: |
${{ runner.os }}-go-
- name: Get dependencies, run test
run: |
go test ./...
- name: Build
if: startsWith(github.ref, 'refs/tags/')
env:
NAME: clash
BINDIR: bin
run: make -j releases
- name: Upload Release
uses: softprops/action-gh-release@v1
if: startsWith(github.ref, 'refs/tags/')
with:
files: bin/*
draft: true

18
.github/workflows/stale.yml vendored
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@ -1,18 +0,0 @@
name: Mark stale issues and pull requests
on:
schedule:
- cron: "30 1 * * *"
jobs:
stale:
runs-on: ubuntu-latest
steps:
- uses: actions/stale@v4
with:
stale-issue-message: 'This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 5 days'
days-before-stale: 60
days-before-close: 5

122
Makefile
View file

@ -1,103 +1,67 @@
GOCMD=go
XGOCMD=xgo -go=go-1.17.x
GOBUILD=CGO_ENABLED=1 $(GOCMD) build -trimpath
GOCLEAN=$(GOCMD) clean
NAME=clash
BINDIR=bin
VERSION=$(shell git describe --tags || echo "unknown version")
BINDIR=$(shell pwd)/bin
VERSION=$(shell git describe --tags --always 2>/dev/null || date +%F)
BUILDTIME=$(shell date -u)
GOBUILD=CGO_ENABLED=0 go build -trimpath -ldflags '-X "github.com/Dreamacro/clash/constant.Version=$(VERSION)" \
BUILD_PACKAGE=.
RELEASE_LDFLAGS='-X "github.com/Dreamacro/clash/constant.Version=$(VERSION)" \
-X "github.com/Dreamacro/clash/constant.BuildTime=$(BUILDTIME)" \
-w -s -buildid='
STATIC_LDFLAGS='-X "github.com/Dreamacro/clash/constant.Version=$(VERSION)" \
-X "github.com/Dreamacro/clash/constant.BuildTime=$(BUILDTIME)" \
-extldflags "-static" \
-w -s -buildid='
PLATFORM_LIST = \
darwin-amd64 \
darwin-arm64 \
linux-386 \
linux-amd64 \
linux-armv5 \
linux-armv6 \
linux-armv7 \
linux-armv8 \
linux-mips-softfloat \
linux-mips-hardfloat \
linux-mipsle-softfloat \
linux-mipsle-hardfloat \
linux-mips64 \
linux-mips64le \
freebsd-386 \
freebsd-amd64 \
freebsd-arm64
linux-amd64
# linux-arm64
# linux-386
WINDOWS_ARCH_LIST = \
windows-386 \
windows-amd64 \
windows-arm64 \
windows-arm32v7
windows-386
# windows-arm64
all: linux-amd64 darwin-amd64 windows-amd64 # Most used
docker:
$(GOBUILD) -o $(BINDIR)/$(NAME)-$@
build:
$(GOBUILD) -ldflags $(RELEASE_LDFLAGS) -tags build_local -o $(BINDIR)/$(NAME)-$@
darwin-amd64:
GOARCH=amd64 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
$(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(RELEASE_LDFLAGS) -targets=darwin-10.12/amd64 $(BUILD_PACKAGE) && \
mv $(BINDIR)/$(NAME)-darwin-10.12-amd64 $(BINDIR)/$(NAME)-darwin-amd64
darwin-arm64:
GOARCH=arm64 GOOS=darwin $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
$(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(RELEASE_LDFLAGS) -targets=darwin-11.1/arm64 $(BUILD_PACKAGE) && \
mv $(BINDIR)/$(NAME)-darwin-11.1-arm64 $(BINDIR)/$(NAME)-darwin-arm64
linux-386:
GOARCH=386 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
$(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(STATIC_LDFLAGS) -targets=linux/386 $(BUILD_PACKAGE)
linux-amd64:
GOARCH=amd64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
$(GOBUILD) -ldflags $(RELEASE_LDFLAGS) -o $(BINDIR)/$(NAME)-$@
#GOARCH=amd64 GOOS=linux $(GOBUILD) -ldflags $(RELEASE_LDFLAGS) -o $(BINDIR)/$(NAME)-$@
#$(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(STATIC_LDFLAGS) -targets=linux/amd64 $(BUILD_PACKAGE)
linux-armv5:
GOARCH=arm GOOS=linux GOARM=5 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
linux-armv6:
GOARCH=arm GOOS=linux GOARM=6 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
linux-armv7:
GOARCH=arm GOOS=linux GOARM=7 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
linux-armv8:
GOARCH=arm64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
linux-mips-softfloat:
GOARCH=mips GOMIPS=softfloat GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
linux-mips-hardfloat:
GOARCH=mips GOMIPS=hardfloat GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
linux-mipsle-softfloat:
GOARCH=mipsle GOMIPS=softfloat GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
linux-mipsle-hardfloat:
GOARCH=mipsle GOMIPS=hardfloat GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
linux-mips64:
GOARCH=mips64 GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
linux-mips64le:
GOARCH=mips64le GOOS=linux $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
freebsd-386:
GOARCH=386 GOOS=freebsd $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
freebsd-amd64:
GOARCH=amd64 GOOS=freebsd $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
freebsd-arm64:
GOARCH=arm64 GOOS=freebsd $(GOBUILD) -o $(BINDIR)/$(NAME)-$@
linux-arm64:
$(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(STATIC_LDFLAGS) -targets=linux/arm64 $(BUILD_PACKAGE)
windows-386:
GOARCH=386 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
$(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(RELEASE_LDFLAGS) -targets=windows-4.0/386 $(BUILD_PACKAGE) && \
mv $(BINDIR)/$(NAME)-windows-4.0-386.exe $(BINDIR)/$(NAME)-windows-386.exe
windows-amd64:
GOARCH=amd64 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
$(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(RELEASE_LDFLAGS) -targets=windows-4.0/amd64 $(BUILD_PACKAGE) && \
mv $(BINDIR)/$(NAME)-windows-4.0-amd64.exe $(BINDIR)/$(NAME)-windows-amd64.exe
windows-arm64:
GOARCH=arm64 GOOS=windows $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
windows-arm32v7:
GOARCH=arm GOOS=windows GOARM=7 $(GOBUILD) -o $(BINDIR)/$(NAME)-$@.exe
#windows-arm64:
# $(XGOCMD) -dest=$(BINDIR) -out=$(NAME) -trimpath=true -ldflags=$(RELEASE_LDFLAGS) -targets=windows/arm64 $(BUILD_PACKAGE)
# mv $(NAME)-windows-4.0-arm64.exe $(NAME)-windows-arm64.exe
gz_releases=$(addsuffix .gz, $(PLATFORM_LIST))
zip_releases=$(addsuffix .zip, $(WINDOWS_ARCH_LIST))
@ -113,8 +77,18 @@ all-arch: $(PLATFORM_LIST) $(WINDOWS_ARCH_LIST)
releases: $(gz_releases) $(zip_releases)
vet:
$(GOCMD) vet -tags build_local ./...
lint:
golangci-lint run --disable-all -E govet -E gofumpt -E megacheck ./...
golangci-lint run --build-tags=build_local --disable-all -E govet -E gofumpt -E megacheck ./...
clean:
rm $(BINDIR)/*
rm -rf $(BINDIR)/
mkdir -p $(BINDIR)
cleancache:
# go build cache may need to cleanup if changing C source code
$(GOCLEAN) -cache
rm -rf $(BINDIR)/
mkdir -p $(BINDIR)

253
README.md
View file

@ -32,17 +32,254 @@
- Netfilter TCP redirecting. Deploy Clash on your Internet gateway with `iptables`.
- Comprehensive HTTP RESTful API controller
## Premium Features
- TUN mode on macOS, Linux and Windows. [Doc](https://github.com/Dreamacro/clash/wiki/premium-core-features#tun-device)
- Match your tunnel by [Script](https://github.com/Dreamacro/clash/wiki/premium-core-features#script)
- [Rule Provider](https://github.com/Dreamacro/clash/wiki/premium-core-features#rule-providers)
## Getting Started
Documentations are now moved to [GitHub Wiki](https://github.com/Dreamacro/clash/wiki).
## Premium Release
[Release](https://github.com/Dreamacro/clash/releases/tag/premium)
## Advanced usage for this branch
### DNS configuration
Support resolve ip with a proxy tunnel.
Support `geosite` with `fallback-filter`.
```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:
- 'https://1.0.0.1/dns-query#Proxy' # append the proxy adapter name to the end of DNS URL with '#' prefix.
- 'tls://8.8.4.4:853#Proxy'
fallback-filter:
geoip: false
geosite:
- gfw # `geosite` filter only use fallback server to resolve ip, prevent DNS leaks to unsafe DNS providers.
domain:
- +.example.com
ipcidr:
- 0.0.0.0/32
```
### TUN configuration
Supports macOS, Linux and Windows.
Support lwIP stack, a lightweight TCP/IP stack, it's recommended set to tun.
On Windows, you should download the [Wintun](https://www.wintun.net) driver and copy `wintun.dll` into Clash home directory.
```yaml
# Enable the TUN listener
tun:
enable: true
stack: lwip # lwip(recommended), system or gvisor
dns-listen: 0.0.0.0:53 # additional dns server listen on TUN
auto-route: true # auto set global route
```
### Rules configuration
- Support rule `GEOSITE`.
- Support rule `SCRIPT`.
- Support `multiport` condition for rule `SRC-PORT` and `DST-PORT`.
- Support `network` condition for all rules.
- Support source IPCIDR condition for all rules, just append to the end.
The `GEOSITE` databases via https://github.com/Loyalsoldier/v2ray-rules-dat.
```yaml
mode: rule
script:
shortcuts:
quic: 'network == "udp" and dst_port == 443'
privacy: '"analytics" in host or "adservice" in host or "firebase" in host or "safebrowsing" in host or "doubleclick" in host'
rules:
# rule SCRIPT
- SCRIPT,quic,REJECT # Disable QUIC, same as rule "DST-PORT,443,REJECT,udp"
- SCRIPT,privacy,REJECT
# network(tcp/udp) condition for all rules
- DOMAIN-SUFFIX,bilibili.com,DIRECT,tcp
- DOMAIN-SUFFIX,bilibili.com,REJECT,udp
# multiport condition for rules SRC-PORT and DST-PORT
- DST-PORT,123/136/137-139,DIRECT,udp
# 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,private,DIRECT,no-resolve
- GEOIP,cn,DIRECT
- MATCH,PROXY
```
### Script configuration
Script enables users to programmatically select a policy for the packets with more flexibility.
```yaml
mode: script
rules:
# the rule GEOSITE just as a rule provider in mode script
- GEOSITE,category-ads-all,Whatever
- GEOSITE,youtube,Whatever
- GEOSITE,geolocation-cn,Whatever
script:
code: |
def main(ctx, metadata):
if metadata["process_name"] == 'apsd':
return "DIRECT"
if metadata["network"] == 'udp' and metadata["dst_port"] == 443:
return "REJECT"
host = metadata["host"]
for kw in ['analytics', 'adservice', 'firebase', 'bugly', 'safebrowsing', 'doubleclick']:
if kw in host:
return "REJECT"
now = time.now()
if (now.hour < 8 or now.hour > 17) and metadata["src_ip"] == '192.168.1.99':
return "REJECT"
if ctx.rule_providers["geosite:category-ads-all"].match(metadata):
return "REJECT"
if ctx.rule_providers["geosite:youtube"].match(metadata):
ctx.log('[Script] domain %s matched youtube' % host)
return "Proxy"
if ctx.rule_providers["geosite:geolocation-cn"].match(metadata):
ctx.log('[Script] domain %s matched geolocation-cn' % host)
return "DIRECT"
ip = metadata["dst_ip"]
if host != "":
ip = ctx.resolve_ip(host)
if ip == "":
return "Proxy"
code = ctx.geoip(ip)
if code == "LAN" or code == "CN":
return "DIRECT"
return "Proxy" # default policy for requests which are not matched by any other script
```
the context and metadata
```ts
interface Metadata {
type: string // socks5、http
network: string // tcp
host: string
process_name: string
src_ip: string
src_port: int
dst_ip: string
dst_port: int
}
interface Context {
resolve_ip: (host: string) => string // ip string
geoip: (ip: string) => string // country code
log: (log: string) => void
rule_providers: Record<string, { match: (metadata: Metadata) => boolean }>
}
```
### Proxies configuration
Support outbound transport protocol `VLESS`.
The XTLS only support TCP transport by the XRAY-CORE.
```yaml
proxies:
- name: "vless-tcp"
type: vless
server: server
port: 443
uuid: uuid
network: tcp
servername: example.com # AKA SNI
# flow: xtls-rprx-direct # xtls-rprx-origin # enable XTLS
# skip-cert-verify: true
- name: "vless-ws"
type: vless
server: server
port: 443
uuid: uuid
udp: true
network: ws
servername: example.com # priority over wss host
# skip-cert-verify: true
ws-path: /path
ws-headers:
Host: example.com
```
### IPTABLES auto-configuration
Only work on Linux OS who support `iptables`, Clash will auto-configuration iptables for tproxy listener when `tproxy-port` value isn't zero.
If `TPROXY` is enabled, the `TUN` must be disabled.
```yaml
# Enable the TPROXY listener
tproxy-port: 9898
# Disable the TUN listener
tun:
enable: false
```
Create user given name `clash`.
Run Clash by user `clash` as a daemon.
Create the systemd configuration file at /etc/systemd/system/clash.service:
```
[Unit]
Description=Clash daemon, A rule-based proxy in Go.
After=network.target
[Service]
Type=simple
User=clash
Group=clash
CapabilityBoundingSet=cap_net_admin
AmbientCapabilities=cap_net_admin
Restart=always
ExecStart=/usr/local/bin/clash -d /etc/clash
[Install]
WantedBy=multi-user.target
```
Launch clashd on system startup with:
```shell
$ systemctl enable clash
```
Launch clashd immediately with:
```shell
$ systemctl start clash
```
### Display Process name
Clash add field `Process` to `Metadata` and prepare to get process name for Restful API `GET /connections`.
To display process name in GUI please use https://yaling888.github.io/yacd/.
## 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)

7
adapter/parser.go
View file

@ -60,6 +60,13 @@ func ParseProxy(mapping map[string]interface{}) (C.Proxy, error) {
break
}
proxy, err = outbound.NewVmess(*vmessOption)
case "vless":
vlessOption := &outbound.VlessOption{}
err = decoder.Decode(mapping, vlessOption)
if err != nil {
break
}
proxy, err = outbound.NewVless(*vlessOption)
case "snell":
snellOption := &outbound.SnellOption{}
err = decoder.Decode(mapping, snellOption)

13
component/dialer/bind_darwin.go
View file

@ -27,14 +27,21 @@ func bindControl(ifaceIdx int, chain controlFn) controlFn {
}
}
return c.Control(func(fd uintptr) {
var innerErr error
err = c.Control(func(fd uintptr) {
switch network {
case "tcp4", "udp4":
unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, ifaceIdx)
innerErr = unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, ifaceIdx)
case "tcp6", "udp6":
unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, ifaceIdx)
innerErr = unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, ifaceIdx)
}
})
if innerErr != nil {
err = innerErr
}
return
}
}

11
component/dialer/bind_linux.go
View file

@ -25,9 +25,16 @@ func bindControl(ifaceName string, chain controlFn) controlFn {
}
}
return c.Control(func(fd uintptr) {
unix.BindToDevice(int(fd), ifaceName)
var innerErr error
err = c.Control(func(fd uintptr) {
innerErr = unix.BindToDevice(int(fd), ifaceName)
})
if innerErr != nil {
err = innerErr
}
return
}
}

50
component/dialer/dialer.go
View file

@ -9,6 +9,18 @@ import (
)
func DialContext(ctx context.Context, network, address string, options ...Option) (net.Conn, error) {
opt := &option{
interfaceName: DefaultInterface.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)
@ -19,17 +31,25 @@ func DialContext(ctx context.Context, network, address string, options ...Option
var ip net.IP
switch network {
case "tcp4", "udp4":
if opt.interfaceName != "" {
ip, err = resolver.ResolveIPv4WithMain(host)
} else {
ip, err = resolver.ResolveIPv4(host)
}
default:
if opt.interfaceName != "" {
ip, err = resolver.ResolveIPv6WithMain(host)
} else {
ip, err = resolver.ResolveIPv6(host)
}
}
if err != nil {
return nil, err
}
return dialContext(ctx, network, ip, port, options)
return dialContext(ctx, network, ip, port, opt)
case "tcp", "udp":
return dualStackDialContext(ctx, network, address, options)
return dualStackDialContext(ctx, network, address, opt)
default:
return nil, errors.New("network invalid")
}
@ -66,19 +86,7 @@ func ListenPacket(ctx context.Context, network, address string, options ...Optio
return lc.ListenPacket(ctx, network, address)
}
func dialContext(ctx context.Context, network string, destination net.IP, port string, options []Option) (net.Conn, error) {
opt := &option{
interfaceName: DefaultInterface.Load(),
}
for _, o := range DefaultOptions {
o(opt)
}
for _, o := range options {
o(opt)
}
func dialContext(ctx context.Context, network string, destination net.IP, port string, opt *option) (net.Conn, error) {
dialer := &net.Dialer{}
if opt.interfaceName != "" {
if err := bindIfaceToDialer(opt.interfaceName, dialer, network, destination); err != nil {
@ -92,7 +100,7 @@ func dialContext(ctx context.Context, network string, destination net.IP, port s
return dialer.DialContext(ctx, network, net.JoinHostPort(destination.String(), port))
}
func dualStackDialContext(ctx context.Context, network, address string, options []Option) (net.Conn, error) {
func dualStackDialContext(ctx context.Context, network, address string, opt *option) (net.Conn, error) {
host, port, err := net.SplitHostPort(address)
if err != nil {
return nil, err
@ -125,16 +133,24 @@ func dualStackDialContext(ctx context.Context, network, address string, options
var ip net.IP
if ipv6 {
if opt.interfaceName != "" {
ip, result.error = resolver.ResolveIPv6WithMain(host)
} else {
ip, result.error = resolver.ResolveIPv6(host)
}
} else {
if opt.interfaceName != "" {
ip, result.error = resolver.ResolveIPv4WithMain(host)
} else {
ip, result.error = resolver.ResolveIPv4(host)
}
}
if result.error != nil {
return
}
result.resolved = true
result.Conn, result.error = dialContext(ctx, network, ip, port, options)
result.Conn, result.error = dialContext(ctx, network, ip, port, opt)
}
go startRacer(ctx, network+"4", host, false)

51
component/geodata/attr.go Normal file
View file

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

86
component/geodata/geodata.go Normal file
View file

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

17
component/geodata/geodataproto.go Normal file
View file

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

142
component/geodata/memconservative/cache.go Normal file
View file

@ -0,0 +1,142 @@
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.GetAssetLocation(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.GetAssetLocation(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)
}

107
component/geodata/memconservative/decode.go Normal file
View file

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

40
component/geodata/memconservative/memc.go Normal file
View file

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

4
component/geodata/package_info.go Normal file
View file

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

71
component/geodata/router/condition.go Normal file
View file

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

725
component/geodata/router/config.pb.go Normal file
View file

@ -0,0 +1,725 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.27.1
// protoc v3.17.3
// 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{
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}
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
}

68
component/geodata/router/config.proto Normal file
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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;
}

83
component/geodata/standard/standard.go Normal file
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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.GetAssetLocation(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{}
})
}

241
component/geodata/strmatcher/ac_automaton_matcher.go Normal file
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package strmatcher
import (
"container/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()
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.(Edge).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
}

98
component/geodata/strmatcher/domain_matcher.go Normal file
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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
}
}

25
component/geodata/strmatcher/full_matcher.go Normal file
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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]
}

52
component/geodata/strmatcher/matchers.go Normal file
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@ -0,0 +1,52 @@
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()
}

304
component/geodata/strmatcher/mph_matcher.go Normal file
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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
}

4
component/geodata/strmatcher/package_info.go Normal file
View file

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

107
component/geodata/strmatcher/strmatcher.go Normal file
View file

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

30
component/geodata/utils.go Normal file
View file

@ -0,0 +1,30 @@
package geodata
import (
"github.com/Dreamacro/clash/component/geodata/router"
)
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
}

18
component/resolver/patch.go Normal file
View file

@ -0,0 +1,18 @@
package resolver
import D "github.com/miekg/dns"
var DefaultLocalServer LocalServer
type LocalServer interface {
ServeMsg(msg *D.Msg) (*D.Msg, error)
}
// ServeMsg with a dns.Msg, return resolve dns.Msg
func ServeMsg(msg *D.Msg) (*D.Msg, error) {
if server := DefaultLocalServer; server != nil {
return server.ServeMsg(msg)
}
return nil, ErrIPNotFound
}

32
component/resolver/resolver.go
View file

@ -15,6 +15,9 @@ var (
// DefaultResolver aim to resolve ip
DefaultResolver Resolver
// MainResolver resolve ip with main domain server
MainResolver Resolver
// DisableIPv6 means don't resolve ipv6 host
// default value is true
DisableIPv6 = true
@ -40,6 +43,14 @@ type Resolver interface {
// ResolveIPv4 with a host, return ipv4
func ResolveIPv4(host string) (net.IP, error) {
return ResolveIPv4WithResolver(host, DefaultResolver)
}
func ResolveIPv4WithMain(host string) (net.IP, error) {
return ResolveIPv4WithResolver(host, MainResolver)
}
func ResolveIPv4WithResolver(host string, r Resolver) (net.IP, error) {
if node := DefaultHosts.Search(host); node != nil {
if ip := node.Data.(net.IP).To4(); ip != nil {
return ip, nil
@ -54,8 +65,8 @@ func ResolveIPv4(host string) (net.IP, error) {
return nil, ErrIPVersion
}
if DefaultResolver != nil {
return DefaultResolver.ResolveIPv4(host)
if r != nil {
return r.ResolveIPv4(host)
}
ctx, cancel := context.WithTimeout(context.Background(), DefaultDNSTimeout)
@ -72,6 +83,14 @@ func ResolveIPv4(host string) (net.IP, error) {
// ResolveIPv6 with a host, return ipv6
func ResolveIPv6(host string) (net.IP, error) {
return ResolveIPv6WithResolver(host, DefaultResolver)
}
func ResolveIPv6WithMain(host string) (net.IP, error) {
return ResolveIPv6WithResolver(host, MainResolver)
}
func ResolveIPv6WithResolver(host string, r Resolver) (net.IP, error) {
if DisableIPv6 {
return nil, ErrIPv6Disabled
}
@ -90,8 +109,8 @@ func ResolveIPv6(host string) (net.IP, error) {
return nil, ErrIPVersion
}
if DefaultResolver != nil {
return DefaultResolver.ResolveIPv6(host)
if r != nil {
return r.ResolveIPv6(host)
}
ctx, cancel := context.WithTimeout(context.Background(), DefaultDNSTimeout)
@ -138,3 +157,8 @@ func ResolveIPWithResolver(host string, r Resolver) (net.IP, error) {
func ResolveIP(host string) (net.IP, error) {
return ResolveIPWithResolver(host, DefaultResolver)
}
// ResolveIPWithMainResolver with a host, use main resolver, return ip
func ResolveIPWithMainResolver(host string) (net.IP, error) {
return ResolveIPWithResolver(host, MainResolver)
}

9
component/script/build_local.go Normal file
View file

@ -0,0 +1,9 @@
//go:build build_local
// +build build_local
package script
/*
#cgo pkg-config: python3-embed
*/
import "C"

25
component/script/build_xgo.go Normal file
View file

@ -0,0 +1,25 @@
//go:build !build_local && cgo
// +build !build_local,cgo
package script
/*
#cgo linux,amd64 pkg-config: python3-embed
#cgo darwin,amd64 CFLAGS: -I/build/python/python-3.9.7-darwin-amd64/include/python3.9
#cgo darwin,arm64 CFLAGS: -I/build/python/python-3.9.7-darwin-arm64/include/python3.9
#cgo windows,amd64 CFLAGS: -I/build/python/python-3.9.7-windows-amd64/include -DMS_WIN64
#cgo windows,386 CFLAGS: -I/build/python/python-3.9.7-windows-386/include
//#cgo linux,amd64 CFLAGS: -I/home/runner/work/clash/clash/bin/python/python-3.9.7-linux-amd64/include/python3.9
//#cgo linux,arm64 CFLAGS: -I/build/python/python-3.9.7-linux-arm64/include/python3.9
//#cgo linux,386 CFLAGS: -I/build/python/python-3.9.7-linux-386/include/python3.9
#cgo darwin,amd64 LDFLAGS: -L/build/python/python-3.9.7-darwin-amd64/lib -lpython3.9 -ldl -framework CoreFoundation
#cgo darwin,arm64 LDFLAGS: -L/build/python/python-3.9.7-darwin-arm64/lib -lpython3.9 -ldl -framework CoreFoundation
#cgo windows,amd64 LDFLAGS: -L/build/python/python-3.9.7-windows-amd64/lib -lpython39 -lpthread -lm
#cgo windows,386 LDFLAGS: -L/build/python/python-3.9.7-windows-386/lib -lpython39 -lpthread -lm
//#cgo linux,amd64 LDFLAGS: -L/home/runner/work/clash/clash/bin/python/python-3.9.7-linux-amd64/lib -lpython3.9 -lpthread -ldl -lutil -lm
//#cgo linux,arm64 LDFLAGS: -L/build/python/python-3.9.7-linux-arm64/lib -lpython3.9 -lpthread -ldl -lutil -lm
//#cgo linux,386 LDFLAGS: -L/build/python/python-3.9.7-linux-386/lib -lpython3.9 -lpthread -ldl -lutil -lm
*/
import "C"

735
component/script/clash_module.c Normal file
View file

@ -0,0 +1,735 @@
#define PY_SSIZE_T_CLEAN
#include "clash_module.h"
#include <structmember.h>
PyObject *clash_module;
PyObject *main_fn;
PyObject *clash_context;
// init_python
void init_python(const char *program, const char *path) {
// Py_NoSiteFlag = 1;
// Py_FrozenFlag = 1;
// Py_IgnoreEnvironmentFlag = 1;
// Py_IsolatedFlag = 1;
append_inittab();
wchar_t *programName = Py_DecodeLocale(program, NULL);
if (programName != NULL) {
Py_SetProgramName(programName);
PyMem_RawFree(programName);
}
// wchar_t *newPath = Py_DecodeLocale(path, NULL);
// if (newPath != NULL) {
// Py_SetPath(newPath);
// PyMem_RawFree(newPath);
// }
// Py_Initialize();
Py_InitializeEx(0);
char *pathPrefix = "import sys; sys.path.append('";
char *pathSuffix = "')";
char *newPath = (char *) malloc(strlen(pathPrefix) + strlen(path) + strlen(pathSuffix));
sprintf(newPath, "%s%s%s", pathPrefix, path, pathSuffix);
PyRun_SimpleString(newPath);
free(newPath);
/* Optionally import the module; alternatively,
import can be deferred until the embedded script
imports it. */
clash_module = PyImport_ImportModule("clash");
}
// Load function, same as "import module_name.func_name as obj" in Python
// Returns the function object or NULL if not found
PyObject *load_func(const char *module_name, char *func_name) {
// Import the module
PyObject *py_mod_name = PyUnicode_FromString(module_name);
if (py_mod_name == NULL) {
return NULL;
}
PyObject *module = PyImport_Import(py_mod_name);
Py_DECREF(py_mod_name);
if (module == NULL) {
return NULL;
}
// Get function, same as "getattr(module, func_name)" in Python
PyObject *func = PyObject_GetAttrString(module, func_name);
Py_DECREF(module);
return func;
}
// Return last error as char *, NULL if there was no error
const char *py_last_error() {
PyObject *err = PyErr_Occurred();
if (err == NULL) {
return NULL;
}
PyObject *type, *value, *traceback;
PyErr_Fetch(&type, &value, &traceback);
if (value == NULL) {
return NULL;
}
PyObject *str = PyObject_Str(value);
const char *utf8 = PyUnicode_AsUTF8(str);
Py_DECREF(str);
PyErr_Clear();
return utf8;
}
void py_clear(PyObject *obj) {
Py_CLEAR(obj);
}
void load_main_func() {
main_fn = load_func(CLASH_SCRIPT_MODULE_NAME, "main");
}
/** callback function, that call go function by python3 script. **/
resolve_ip_callback resolve_ip_callback_fn;
geoip_callback geoip_callback_fn;
rule_provider_callback rule_provider_callback_fn;
log_callback log_callback_fn;
void
set_resolve_ip_callback(resolve_ip_callback cb)
{
resolve_ip_callback_fn = cb;
}
void
set_geoip_callback(geoip_callback cb)
{
geoip_callback_fn = cb;
}
void
set_rule_provider_callback(rule_provider_callback cb)
{
rule_provider_callback_fn = cb;
}
void
set_log_callback(log_callback cb)
{
log_callback_fn = cb;
}
/** end callback function **/
/* --------------------------------------------------------------------- */
/* RuleProvider objects */
typedef struct {
PyObject_HEAD
PyObject *name; /* rule provider name */
} RuleProviderObject;
static int
RuleProvider_traverse(RuleProviderObject *self, visitproc visit, void *arg)
{
Py_VISIT(self->name);
return 0;
}
static int
RuleProvider_clear(RuleProviderObject *self)
{
Py_CLEAR(self->name);
return 0;
}
static void
RuleProvider_dealloc(RuleProviderObject *self)
{
PyObject_GC_UnTrack(self);
RuleProvider_clear(self);
Py_TYPE(self)->tp_free((PyObject *) self);
}
static PyObject *
RuleProvider_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
RuleProviderObject *self;
self = (RuleProviderObject *) type->tp_alloc(type, 0);
if (self != NULL) {
self->name = PyUnicode_FromString("");
if (self->name == NULL) {
Py_DECREF(self);
return NULL;
}
}
return (PyObject *) self;
}
static int
RuleProvider_init(RuleProviderObject *self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"name", NULL};
PyObject *name = NULL, *tmp;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|Us", kwlist, &name))
return -1;
if (name) {
tmp = self->name;
Py_INCREF(name);
self->name = name;
Py_DECREF(tmp);
}
return 0;
}
//static PyMemberDef RuleProvider_members[] = {
// {"adapter_type", T_STRING, offsetof(RuleProviderObject, adapter_type), 0,
// "adapter type"},
// {NULL} /* Sentinel */
//};
static PyObject *
RuleProvider_getname(RuleProviderObject *self, void *closure)
{
Py_INCREF(self->name);
return self->name;
}
static int
RuleProvider_setname(RuleProviderObject *self, PyObject *value, void *closure)
{
if (value == NULL) {
PyErr_SetString(PyExc_TypeError, "Cannot delete the name attribute");
return -1;
}
if (!PyUnicode_Check(value)) {
PyErr_SetString(PyExc_TypeError,
"The name attribute value must be a string");
return -1;
}
Py_INCREF(value);
Py_CLEAR(self->name);
self->name = value;
return 0;
}
static PyGetSetDef RuleProvider_getsetters[] = {
{"name", (getter) RuleProvider_getname, (setter) RuleProvider_setname,
"name", NULL},
{NULL} /* Sentinel */
};
static PyObject *
RuleProvider_name(RuleProviderObject *self, PyObject *Py_UNUSED(ignored))
{
Py_INCREF(self->name);
return self->name;
}
static PyObject *
RuleProvider_match(RuleProviderObject *self, PyObject *args)
{
PyObject *result;
PyObject *tmp;
const char *provider_name;
if (!PyArg_ParseTuple(args, "O!", &PyDict_Type, &tmp)) //Format "O","O!","O&": Borrowed reference.
return NULL;
if (tmp == NULL)
Py_RETURN_FALSE;
Py_INCREF(tmp);
// PyObject *py_src_port = PyDict_GetItemString(tmp, "src_port"); //Return value: Borrowed reference.
// PyObject *py_dst_port = PyDict_GetItemString(tmp, "dst_port"); //Return value: Borrowed reference.
// Py_INCREF(py_src_port);
// Py_INCREF(py_dst_port);
// char *c_src_port = (char *) malloc(PyLong_AsSize_t(py_src_port));
// char *c_dst_port = (char *) malloc(PyLong_AsSize_t(py_dst_port));
// sprintf(c_src_port, "%ld", PyLong_AsLong(py_src_port));
// sprintf(c_dst_port, "%ld", PyLong_AsLong(py_dst_port));
struct Metadata metadata = {
.type = PyUnicode_AsUTF8(PyDict_GetItemString(tmp, "type")), // PyDict_GetItemString() Return value: Borrowed reference.
.network = PyUnicode_AsUTF8(PyDict_GetItemString(tmp, "network")),
.process_name = PyUnicode_AsUTF8(PyDict_GetItemString(tmp, "process_name")),
.host = PyUnicode_AsUTF8(PyDict_GetItemString(tmp, "host")),
.src_ip = PyUnicode_AsUTF8(PyDict_GetItemString(tmp, "src_ip")),
.src_port = (unsigned short)PyLong_AsUnsignedLong(PyDict_GetItemString(tmp, "src_port")),
.dst_ip = PyUnicode_AsUTF8(PyDict_GetItemString(tmp, "dst_ip")),
.dst_port = (unsigned short)PyLong_AsUnsignedLong(PyDict_GetItemString(tmp, "dst_port"))
};
// Py_DECREF(py_src_port);
// Py_DECREF(py_dst_port);
Py_INCREF(self->name);
provider_name = PyUnicode_AsUTF8(self->name);
Py_DECREF(self->name);
Py_DECREF(tmp);
int rs = rule_provider_callback_fn(provider_name, &metadata);
result = (rs == 1) ? Py_True : Py_False;
Py_INCREF(result);
return result;
}
static PyMethodDef RuleProvider_methods[] = {
{"name", (PyCFunction) RuleProvider_name, METH_NOARGS,
"Return the RuleProvider name"
},
{"match", (PyCFunction) RuleProvider_match, METH_VARARGS,
"Match the rule by the RuleProvider, match(metadata) -> boolean"
},
{NULL} /* Sentinel */
};
static PyTypeObject RuleProviderType = {
PyVarObject_HEAD_INIT(NULL, 0)
.tp_name = "clash.RuleProvider",
.tp_doc = "Clash RuleProvider objects",
.tp_basicsize = sizeof(RuleProviderObject),
.tp_itemsize = 0,
.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
.tp_new = RuleProvider_new,
.tp_init = (initproc) RuleProvider_init,
.tp_dealloc = (destructor) RuleProvider_dealloc,
.tp_traverse = (traverseproc) RuleProvider_traverse,
.tp_clear = (inquiry) RuleProvider_clear,
// .tp_members = RuleProvider_members,
.tp_methods = RuleProvider_methods,
.tp_getset = RuleProvider_getsetters,
};
/* end RuleProvider objects */
/* --------------------------------------------------------------------- */
/* Context objects */
typedef struct {
PyObject_HEAD
PyObject *rule_providers; /* Dict<String, RuleProvider> */
} ContextObject;
static int
Context_traverse(ContextObject *self, visitproc visit, void *arg)
{
Py_VISIT(self->rule_providers);
return 0;
}
static int
Context_clear(ContextObject *self)
{
Py_CLEAR(self->rule_providers);
return 0;
}
static void
Context_dealloc(ContextObject *self)
{
PyObject_GC_UnTrack(self);
Context_clear(self);
Py_TYPE(self)->tp_free((PyObject *) self);
}
static PyObject *
Context_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
ContextObject *self;
self = (ContextObject *) type->tp_alloc(type, 0);
if (self != NULL) {
self->rule_providers = PyDict_New();
if (self->rule_providers == NULL) {
Py_DECREF(self);
return NULL;
}
}
return (PyObject *) self;
}
static int
Context_init(ContextObject *self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"rule_providers", NULL};
PyObject *rule_providers = NULL, *tmp;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|O", kwlist,
&rule_providers))
return -1;
if (rule_providers) {
tmp = self->rule_providers;
Py_INCREF(rule_providers);
self->rule_providers = rule_providers;
Py_DECREF(tmp);
}
return 0;
}
static PyObject *
Context_getrule_providers(ContextObject *self, void *closure)
{
Py_INCREF(self->rule_providers);
return self->rule_providers;
}
static int
Context_setrule_providers(ContextObject *self, PyObject *value, void *closure)
{
if (value == NULL) {
PyErr_SetString(PyExc_TypeError, "Cannot delete the rule_providers attribute");
return -1;
}
if (!PyDict_Check(value)) {
PyErr_SetString(PyExc_TypeError,
"The rule_providers attribute value must be a dict");
return -1;
}
Py_INCREF(value);
Py_CLEAR(self->rule_providers);
self->rule_providers = value;
return 0;
}
static PyGetSetDef Context_getsetters[] = {
{"rule_providers", (getter) Context_getrule_providers, (setter) Context_setrule_providers,
"rule_providers", NULL},
{NULL} /* Sentinel */
};
static PyObject *
Context_resolve_ip(PyObject *self, PyObject *args)
{
const char *host;
const char *ip;
if (!PyArg_ParseTuple(args, "s", &host))
return NULL;
if (host == NULL)
return PyUnicode_FromString("");
ip = resolve_ip_callback_fn(host);
return PyUnicode_FromString(ip);
}
static PyObject *
Context_geoip(PyObject *self, PyObject *args)
{
const char *ip;
const char *countryCode;
if (!PyArg_ParseTuple(args, "s", &ip))
return NULL;
if (ip == NULL)
return PyUnicode_FromString("");
countryCode = geoip_callback_fn(ip);
return PyUnicode_FromString(countryCode);
}
static PyObject *
Context_log(PyObject *self, PyObject *args)
{
const char *msg;
if (!PyArg_ParseTuple(args, "s", &msg))
return NULL;
log_callback_fn(msg);
Py_RETURN_NONE;
}
static PyMethodDef Context_methods[] = {
{"resolve_ip", (PyCFunction) Context_resolve_ip, METH_VARARGS,
"resolve_ip(host) -> string"
},
{"geoip", (PyCFunction) Context_geoip, METH_VARARGS,
"geoip(ip) -> string"
},
{"log", (PyCFunction) Context_log, METH_VARARGS,
"log(msg) -> void"
},
{NULL} /* Sentinel */
};
static PyTypeObject ContextType = {
PyVarObject_HEAD_INIT(NULL, 0)
.tp_name = "clash.Context",
.tp_doc = "Clash Context objects",
.tp_basicsize = sizeof(ContextObject),
.tp_itemsize = 0,
.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
.tp_new = Context_new,
.tp_init = (initproc) Context_init,
.tp_dealloc = (destructor) Context_dealloc,
.tp_traverse = (traverseproc) Context_traverse,
.tp_clear = (inquiry) Context_clear,
.tp_methods = Context_methods,
.tp_getset = Context_getsetters,
};
static PyModuleDef clashmodule = {
PyModuleDef_HEAD_INIT,
.m_name = "clash",
.m_doc = "Clash module that creates an extension module for python3.",
.m_size = -1,
};
PyMODINIT_FUNC
PyInit_clash(void)
{
PyObject *m;
m = PyModule_Create(&clashmodule);
if (m == NULL)
return NULL;
if (PyType_Ready(&RuleProviderType) < 0)
return NULL;
Py_INCREF(&RuleProviderType);
if (PyModule_AddObject(m, "RuleProvider", (PyObject *) &RuleProviderType) < 0) {
Py_DECREF(&RuleProviderType);
Py_DECREF(m);
return NULL;
}
if (PyType_Ready(&ContextType) < 0)
return NULL;
Py_INCREF(&ContextType);
if (PyModule_AddObject(m, "Context", (PyObject *) &ContextType) < 0) {
Py_DECREF(&ContextType);
Py_DECREF(m);
return NULL;
}
return m;
}
/* end Context objects */
/* --------------------------------------------------------------------- */
void
append_inittab()
{
/* Add a built-in module, before Py_Initialize */
PyImport_AppendInittab("clash", PyInit_clash);
}
int new_clash_py_context(const char *provider_name_arr[], int size) {
PyObject *dict = PyDict_New(); //Return value: New reference.
if (dict == NULL) {
PyErr_SetString(PyExc_TypeError,
"PyDict_New failure");
return 0;
}
for (int i = 0; i < size; i++) {
PyObject *rule_provider = RuleProvider_new(&RuleProviderType, NULL, NULL);
if (rule_provider == NULL) {
Py_DECREF(dict);
PyErr_SetString(PyExc_TypeError,
"RuleProvider_new failure");
return 0;
}
RuleProviderObject *providerObj = (RuleProviderObject *) rule_provider;
PyObject *py_name = PyUnicode_FromString(provider_name_arr[i]); //Return value: New reference.
RuleProvider_setname(providerObj, py_name, NULL);
Py_DECREF(py_name);
PyDict_SetItemString(dict, provider_name_arr[i], rule_provider); //Parameter value: New reference.
Py_DECREF(rule_provider);
}
clash_context = Context_new(&ContextType, NULL, NULL);
if (clash_context == NULL) {
Py_DECREF(dict);
PyErr_SetString(PyExc_TypeError,
"Context_new failure");
return 0;
}
Context_setrule_providers((ContextObject *) clash_context, dict, NULL);
Py_DECREF(dict);
return 1;
}
const char *call_main(
const char *type,
const char *network,
const char *process_name,
const char *host,
const char *src_ip,
unsigned short src_port,
const char *dst_ip,
unsigned short dst_port) {
PyObject *metadataDict;
PyObject *tupleArgs;
PyObject *result;
metadataDict = PyDict_New(); //Return value: New reference.
if (metadataDict == NULL) {
PyErr_SetString(PyExc_TypeError,
"PyDict_New failure");
return "-1";
}
PyObject *p_type = PyUnicode_FromString(type); //Return value: New reference.
PyObject *p_network = PyUnicode_FromString(network); //Return value: New reference.
PyObject *p_process_name = PyUnicode_FromString(process_name); //Return value: New reference.
PyObject *p_host = PyUnicode_FromString(host); //Return value: New reference.
PyObject *p_src_ip = PyUnicode_FromString(src_ip); //Return value: New reference.
PyObject *p_src_port = PyLong_FromUnsignedLong((unsigned long)src_port); //Return value: New reference.
PyObject *p_dst_ip = PyUnicode_FromString(dst_ip); //Return value: New reference.
PyObject *p_dst_port = PyLong_FromUnsignedLong((unsigned long)dst_port); //Return value: New reference.
PyDict_SetItemString(metadataDict, "type", p_type); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "network", p_network); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "process_name", p_process_name); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "host", p_host); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "src_ip", p_src_ip); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "src_port", p_src_port); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "dst_ip", p_dst_ip); //Parameter value: New reference.
PyDict_SetItemString(metadataDict, "dst_port", p_dst_port); //Parameter value: New reference.
Py_DECREF(p_type);
Py_DECREF(p_network);
Py_DECREF(p_process_name);
Py_DECREF(p_host);
Py_DECREF(p_src_ip);
Py_DECREF(p_src_port);
Py_DECREF(p_dst_ip);
Py_DECREF(p_dst_port);
tupleArgs = PyTuple_New(2); //Return value: New reference.
if (tupleArgs == NULL) {
Py_DECREF(metadataDict);
PyErr_SetString(PyExc_TypeError,
"PyTuple_New failure");
return "-1";
}
Py_INCREF(clash_context);
PyTuple_SetItem(tupleArgs, 0, clash_context); //clash_context Parameter value: Stolen reference.
PyTuple_SetItem(tupleArgs, 1, metadataDict); //metadataDict Parameter value: Stolen reference.
Py_INCREF(main_fn);
result = PyObject_CallObject(main_fn, tupleArgs); //Return value: New reference.
Py_DECREF(main_fn);
Py_DECREF(tupleArgs);
if (result == NULL) {
return "-1";
}
if (!PyUnicode_Check(result)) {
Py_DECREF(result);
PyErr_SetString(PyExc_TypeError,
"script main function return value must be a string");
return "-1";
}
const char *adapter = PyUnicode_AsUTF8(result);
Py_DECREF(result);
return adapter;
}
int call_shortcut(PyObject *shortcut_fn,
const char *type,
const char *network,
const char *process_name,
const char *host,
const char *src_ip,
unsigned short src_port,
const char *dst_ip,
unsigned short dst_port) {
PyObject *args;
PyObject *result;
args = Py_BuildValue("{s:O, s:s, s:s, s:s, s:s, s:H, s:s, s:H}",
"ctx", clash_context,
"network", network,
"process_name", process_name,
"host", host,
"src_ip", src_ip,
"src_port", src_port,
"dst_ip", dst_ip,
"dst_port", dst_port); //Return value: New reference.
if (args == NULL) {
PyErr_SetString(PyExc_TypeError,
"Py_BuildValue failure");
return -1;
}
PyObject *tupleArgs = PyTuple_New(0); //Return value: New reference.
Py_INCREF(clash_context);
Py_INCREF(shortcut_fn);
result = PyObject_Call(shortcut_fn, tupleArgs, args); //Return value: New reference.
Py_DECREF(shortcut_fn);
Py_DECREF(clash_context);
Py_DECREF(tupleArgs);
Py_DECREF(args);
if (result == NULL) {
return -1;
}
if (!PyBool_Check(result)) {
Py_DECREF(result);
PyErr_SetString(PyExc_TypeError,
"script shortcut return value must be as boolean");
return -1;
}
int rs = (result == Py_True) ? 1 : 0;
Py_DECREF(result);
return rs;
}
void finalize_Python() {
Py_CLEAR(main_fn);
Py_CLEAR(clash_context);
Py_CLEAR(clash_module);
Py_FinalizeEx();
// clash_module = NULL;
// main_fn = NULL;
// clash_context = NULL;
}
/* --------------------------------------------------------------------- */

337
component/script/clash_module.go Normal file
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@ -0,0 +1,337 @@
package script
/*
#include "clash_module.h"
extern const char *resolveIPCallbackFn(const char *host);
void
go_set_resolve_ip_callback() {
set_resolve_ip_callback(resolveIPCallbackFn);
}
extern const char *geoipCallbackFn(const char *ip);
void
go_set_geoip_callback() {
set_geoip_callback(geoipCallbackFn);
}
extern const int ruleProviderCallbackFn(const char *provider_name, struct Metadata *metadata);
void
go_set_rule_provider_callback() {
set_rule_provider_callback(ruleProviderCallbackFn);
}
extern void logCallbackFn(const char *msg);
void
go_set_log_callback() {
set_log_callback(logCallbackFn);
}
*/
import "C"
import (
"errors"
"fmt"
"os"
"runtime"
"strconv"
"strings"
"sync"
"syscall"
"unsafe"
"github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
)
const ClashScriptModuleName = C.CLASH_SCRIPT_MODULE_NAME
var lock sync.Mutex
type PyObject C.PyObject
func togo(cobject *C.PyObject) *PyObject {
return (*PyObject)(cobject)
}
func toc(object *PyObject) *C.PyObject {
return (*C.PyObject)(object)
}
func (pyObject *PyObject) IncRef() {
C.Py_IncRef(toc(pyObject))
}
func (pyObject *PyObject) DecRef() {
C.Py_DecRef(toc(pyObject))
}
func (pyObject *PyObject) Clear() {
C.py_clear(toc(pyObject))
}
// Py_Initialize initialize Python3
func Py_Initialize(program string, path string) error {
lock.Lock()
defer lock.Unlock()
if C.Py_IsInitialized() != 0 {
if pyThreadState != nil {
PyEval_RestoreThread(pyThreadState)
}
C.finalize_Python()
}
path = strings.ReplaceAll(path, "\\", "/")
cPath := C.CString(path)
//defer C.free(unsafe.Pointer(cPath))
C.init_python(C.CString(program), cPath)
err := PyLastError()
if err != nil {
if C.Py_IsInitialized() != 0 {
C.finalize_Python()
_ = os.RemoveAll(constant.Path.ScriptDir())
}
return err
} else if C.Py_IsInitialized() == 0 {
err = errors.New("initialized script module failure")
return err
}
initPython3Callback()
return nil
}
func Py_IsInitialized() bool {
lock.Lock()
defer lock.Unlock()
return C.Py_IsInitialized() != 0
}
func Py_Finalize() {
lock.Lock()
defer lock.Unlock()
if C.Py_IsInitialized() != 0 {
if pyThreadState != nil {
PyEval_RestoreThread(pyThreadState)
}
C.finalize_Python()
_ = os.RemoveAll(constant.Path.ScriptDir())
log.Warnln("Clash clean up script mode.")
}
}
//Py_GetVersion get
func Py_GetVersion() string {
cversion := C.Py_GetVersion()
return strings.Split(C.GoString(cversion), "\n")[0]
}
// loadPyFunc loads a Python function by module and function name
func loadPyFunc(moduleName, funcName string) (*C.PyObject, error) {
// Convert names to C char*
cMod := C.CString(moduleName)
cFunc := C.CString(funcName)
// Free memory allocated by C.CString
defer func() {
C.free(unsafe.Pointer(cMod))
C.free(unsafe.Pointer(cFunc))
}()
fnc := C.load_func(cMod, cFunc)
if fnc == nil {
return nil, PyLastError()
}
return fnc, nil
}
//PyLastError python last error
func PyLastError() error {
cp := C.py_last_error()
if cp == nil {
return nil
}
return errors.New(C.GoString(cp))
}
func LoadShortcutFunction(shortcut string) (*PyObject, error) {
fnc, err := loadPyFunc(ClashScriptModuleName, shortcut)
if err != nil {
return nil, err
}
return togo(fnc), nil
}
func LoadMainFunction() error {
C.load_main_func()
err := PyLastError()
if err != nil {
return err
}
return nil
}
//CallPyMainFunction call python script main function
//return the proxy adapter name.
func CallPyMainFunction(mtd *constant.Metadata) (string, error) {
_type := C.CString(mtd.Type.String())
network := C.CString(mtd.NetWork.String())
processName := C.CString(mtd.Process)
host := C.CString(mtd.Host)
srcPortGo, _ := strconv.ParseUint(mtd.SrcPort, 10, 16)
dstPortGo, _ := strconv.ParseUint(mtd.DstPort, 10, 16)
srcPort := C.ushort(srcPortGo)
dstPort := C.ushort(dstPortGo)
dstIpGo := ""
srcIpGo := ""
if mtd.SrcIP != nil {
srcIpGo = mtd.SrcIP.String()
}
if mtd.DstIP != nil {
dstIpGo = mtd.DstIP.String()
}
srcIp := C.CString(srcIpGo)
dstIp := C.CString(dstIpGo)
defer func() {
C.free(unsafe.Pointer(_type))
C.free(unsafe.Pointer(network))
C.free(unsafe.Pointer(processName))
C.free(unsafe.Pointer(host))
C.free(unsafe.Pointer(srcIp))
C.free(unsafe.Pointer(dstIp))
}()
runtime.LockOSThread()
gilState := PyGILState_Ensure()
defer PyGILState_Release(gilState)
cRs := C.call_main(_type, network, processName, host, srcIp, srcPort, dstIp, dstPort)
rs := C.GoString(cRs)
if rs == "-1" {
err := PyLastError()
if err != nil {
log.Errorln("[Script] script code error: %s", err.Error())
killSelf()
return "", fmt.Errorf("script code error: %w", err)
} else {
return "", fmt.Errorf("script code error, result: %v", rs)
}
}
return rs, nil
}
//CallPyShortcut call python script shortcuts function
//param: shortcut name
//return the match result.
func CallPyShortcut(fn *PyObject, mtd *constant.Metadata) (bool, error) {
_type := C.CString(mtd.Type.String())
network := C.CString(mtd.NetWork.String())
processName := C.CString(mtd.Process)
host := C.CString(mtd.Host)
srcPortGo, _ := strconv.ParseUint(mtd.SrcPort, 10, 16)
dstPortGo, _ := strconv.ParseUint(mtd.DstPort, 10, 16)
srcPort := C.ushort(srcPortGo)
dstPort := C.ushort(dstPortGo)
dstIpGo := ""
srcIpGo := ""
if mtd.SrcIP != nil {
srcIpGo = mtd.SrcIP.String()
}
if mtd.DstIP != nil {
dstIpGo = mtd.DstIP.String()
}
srcIp := C.CString(srcIpGo)
dstIp := C.CString(dstIpGo)
defer func() {
C.free(unsafe.Pointer(_type))
C.free(unsafe.Pointer(network))
C.free(unsafe.Pointer(processName))
C.free(unsafe.Pointer(host))
C.free(unsafe.Pointer(srcIp))
C.free(unsafe.Pointer(dstIp))
}()
runtime.LockOSThread()
gilState := PyGILState_Ensure()
defer PyGILState_Release(gilState)
cRs := C.call_shortcut(toc(fn), _type, network, processName, host, srcIp, srcPort, dstIp, dstPort)
rs := int(cRs)
if rs == -1 {
err := PyLastError()
if err != nil {
log.Errorln("[Script] script shortcut code error: %s", err.Error())
killSelf()
return false, fmt.Errorf("script shortcut code error: %w", err)
} else {
return false, fmt.Errorf("script shortcut code error: result: %d", rs)
}
}
if rs == 1 {
return true, nil
} else {
return false, nil
}
}
func initPython3Callback() {
C.go_set_resolve_ip_callback()
C.go_set_geoip_callback()
C.go_set_rule_provider_callback()
C.go_set_log_callback()
}
//NewClashPyContext new clash context for python
func NewClashPyContext(ruleProvidersName []string) error {
length := len(ruleProvidersName)
cStringArr := make([]*C.char, length)
for i, v := range ruleProvidersName {
cStringArr[i] = C.CString(v)
defer C.free(unsafe.Pointer(cStringArr[i]))
}
cArrPointer := unsafe.Pointer(nil)
if length > 0 {
cArrPointer = unsafe.Pointer(&cStringArr[0])
}
rs := C.new_clash_py_context((**C.char)(cArrPointer), C.int(length))
if int(rs) == 0 {
err := PyLastError()
return fmt.Errorf("new script module context failure: %s", err.Error())
}
return nil
}
func killSelf() {
p, err := os.FindProcess(os.Getpid())
if err != nil {
os.Exit(int(syscall.SIGINT))
return
}
_ = p.Signal(syscall.SIGINT)
}

62
component/script/clash_module.h Normal file
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@ -0,0 +1,62 @@
#ifndef CLASH_CALLBACK_MODULE_H__
#define CLASH_CALLBACK_MODULE_H__
#include <Python.h>
#define CLASH_SCRIPT_MODULE_NAME "clash_script"
struct Metadata {
const char *type; /* type socks5/http */
const char *network; /* network tcp/udp */
const char *process_name;
const char *host;
const char *src_ip;
unsigned short src_port;
const char *dst_ip;
unsigned short dst_port;
};
/** callback function, that call go function by python3 script. **/
typedef const char *(*resolve_ip_callback)(const char *host);
typedef const char *(*geoip_callback)(const char *ip);
typedef const int (*rule_provider_callback)(const char *provider_name, struct Metadata *metadata);
typedef void (*log_callback)(const char *msg);
void set_resolve_ip_callback(resolve_ip_callback cb);
void set_geoip_callback(geoip_callback cb);
void set_rule_provider_callback(rule_provider_callback cb);
void set_log_callback(log_callback cb);
/*---------------------------------------------------------------*/
void append_inittab();
void init_python(const char *program, const char *path);
void load_main_func();
void finalize_Python();
void py_clear(PyObject *obj);
const char *py_last_error();
PyObject *load_func(const char *module_name, char *func_name);
int new_clash_py_context(const char *provider_name_arr[], int size);
const char *call_main(
const char *type,
const char *network,
const char *process_name,
const char *host,
const char *src_ip,
unsigned short src_port,
const char *dst_ip,
unsigned short dst_port);
int call_shortcut(PyObject *shortcut_fn,
const char *type,
const char *network,
const char *process_name,
const char *host,
const char *src_ip,
unsigned short src_port,
const char *dst_ip,
unsigned short dst_port);
#endif // CLASH_CALLBACK_MODULE_H__

136
component/script/clash_module_export.go Normal file
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@ -0,0 +1,136 @@
package script
/*
#include "clash_module.h"
*/
import "C"
import (
"net"
"strconv"
"strings"
"unsafe"
"github.com/Dreamacro/clash/component/mmdb"
"github.com/Dreamacro/clash/component/resolver"
"github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
)
var (
ruleProviders = map[string]constant.Rule{}
pyThreadState *PyThreadState
)
func UpdateRuleProviders(rpd map[string]constant.Rule) {
ruleProviders = rpd
if Py_IsInitialized() {
pyThreadState = PyEval_SaveThread()
}
}
//export resolveIPCallbackFn
func resolveIPCallbackFn(cHost *C.char) *C.char {
host := C.GoString(cHost)
if len(host) == 0 {
cip := C.CString("")
defer C.free(unsafe.Pointer(cip))
return cip
}
if ip, err := resolver.ResolveIP(host); err == nil {
cip := C.CString(ip.String())
defer C.free(unsafe.Pointer(cip))
return cip
} else {
log.Errorln("[Script] resolve ip error: %s", err.Error())
cip := C.CString("")
defer C.free(unsafe.Pointer(cip))
return cip
}
}
//export geoipCallbackFn
func geoipCallbackFn(cIP *C.char) *C.char {
dstIP := net.ParseIP(C.GoString(cIP))
if dstIP == nil {
emptyC := C.CString("")
defer C.free(unsafe.Pointer(emptyC))
return emptyC
}
if dstIP.IsPrivate() || constant.TunBroadcastAddr.Equal(dstIP) {
lanC := C.CString("LAN")
defer C.free(unsafe.Pointer(lanC))
return lanC
}
record, _ := mmdb.Instance().Country(dstIP)
rc := C.CString(strings.ToUpper(record.Country.IsoCode))
defer C.free(unsafe.Pointer(rc))
return rc
}
//export ruleProviderCallbackFn
func ruleProviderCallbackFn(cProviderName *C.char, cMetadata *C.struct_Metadata) C.int {
//_type := C.GoString(cMetadata._type)
//network := C.GoString(cMetadata.network)
processName := C.GoString(cMetadata.process_name)
host := C.GoString(cMetadata.host)
srcIp := C.GoString(cMetadata.src_ip)
srcPort := strconv.Itoa(int(cMetadata.src_port))
dstIp := C.GoString(cMetadata.dst_ip)
dstPort := strconv.Itoa(int(cMetadata.dst_port))
dst := net.ParseIP(dstIp)
addrType := constant.AtypDomainName
if dst != nil {
if dst.To4() != nil {
addrType = constant.AtypIPv4
} else {
addrType = constant.AtypIPv6
}
}
metadata := &constant.Metadata{
Process: processName,
SrcIP: net.ParseIP(srcIp),
DstIP: dst,
SrcPort: srcPort,
DstPort: dstPort,
AddrType: addrType,
Host: host,
}
providerName := C.GoString(cProviderName)
rule, ok := ruleProviders[providerName]
if !ok {
log.Warnln("[Script] rule provider [%s] not found", providerName)
return C.int(0)
}
if strings.HasPrefix(providerName, "geosite:") {
if len(host) == 0 {
return C.int(0)
}
metadata.AddrType = constant.AtypDomainName
}
rs := rule.Match(metadata)
if rs {
return C.int(1)
}
return C.int(0)
}
//export logCallbackFn
func logCallbackFn(msg *C.char) {
log.Infoln(C.GoString(msg))
}

52
component/script/thread.go Normal file
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@ -0,0 +1,52 @@
package script
/*
#include "Python.h"
*/
import "C"
//PyThreadState : https://docs.python.org/3/c-api/init.html#c.PyThreadState
type PyThreadState C.PyThreadState
//PyGILState is an opaque “handle” to the thread state when PyGILState_Ensure() was called, and must be passed to PyGILState_Release() to ensure Python is left in the same state
type PyGILState C.PyGILState_STATE
//PyEval_SaveThread : https://docs.python.org/3/c-api/init.html#c.PyEval_SaveThread
func PyEval_SaveThread() *PyThreadState {
return (*PyThreadState)(C.PyEval_SaveThread())
}
//PyEval_RestoreThread : https://docs.python.org/3/c-api/init.html#c.PyEval_RestoreThread
func PyEval_RestoreThread(tstate *PyThreadState) {
C.PyEval_RestoreThread((*C.PyThreadState)(tstate))
}
//PyThreadState_Get : https://docs.python.org/3/c-api/init.html#c.PyThreadState_Get
func PyThreadState_Get() *PyThreadState {
return (*PyThreadState)(C.PyThreadState_Get())
}
//PyThreadState_Swap : https://docs.python.org/3/c-api/init.html#c.PyThreadState_Swap
func PyThreadState_Swap(tstate *PyThreadState) *PyThreadState {
return (*PyThreadState)(C.PyThreadState_Swap((*C.PyThreadState)(tstate)))
}
//PyGILState_Ensure : https://docs.python.org/3/c-api/init.html#c.PyGILState_Ensure
func PyGILState_Ensure() PyGILState {
return PyGILState(C.PyGILState_Ensure())
}
//PyGILState_Release : https://docs.python.org/3/c-api/init.html#c.PyGILState_Release
func PyGILState_Release(state PyGILState) {
C.PyGILState_Release(C.PyGILState_STATE(state))
}
//PyGILState_GetThisThreadState : https://docs.python.org/3/c-api/init.html#c.PyGILState_GetThisThreadState
func PyGILState_GetThisThreadState() *PyThreadState {
return (*PyThreadState)(C.PyGILState_GetThisThreadState())
}
//PyGILState_Check : https://docs.python.org/3/c-api/init.html#c.PyGILState_Check
func PyGILState_Check() bool {
return C.PyGILState_Check() == 1
}

250
config/config.go
View file

@ -7,6 +7,8 @@ import (
"net"
"net/url"
"os"
"regexp"
"runtime"
"strings"
"github.com/Dreamacro/clash/adapter"
@ -15,6 +17,9 @@ import (
"github.com/Dreamacro/clash/adapter/provider"
"github.com/Dreamacro/clash/component/auth"
"github.com/Dreamacro/clash/component/fakeip"
"github.com/Dreamacro/clash/component/geodata"
"github.com/Dreamacro/clash/component/geodata/router"
S "github.com/Dreamacro/clash/component/script"
"github.com/Dreamacro/clash/component/trie"
C "github.com/Dreamacro/clash/constant"
providerTypes "github.com/Dreamacro/clash/constant/provider"
@ -43,6 +48,7 @@ type Inbound struct {
RedirPort int `json:"redir-port"`
TProxyPort int `json:"tproxy-port"`
MixedPort int `json:"mixed-port"`
Tun Tun `json:"tun"`
Authentication []string `json:"authentication"`
AllowLan bool `json:"allow-lan"`
BindAddress string `json:"bind-address"`
@ -76,6 +82,7 @@ type FallbackFilter struct {
GeoIPCode string `yaml:"geoip-code"`
IPCIDR []*net.IPNet `yaml:"ipcidr"`
Domain []string `yaml:"domain"`
GeoSite []*router.DomainMatcher `yaml:"geosite"`
}
var (
@ -90,17 +97,33 @@ type Profile struct {
StoreFakeIP bool `yaml:"store-fake-ip"`
}
// Tun config
type Tun struct {
Enable bool `yaml:"enable" json:"enable"`
Stack string `yaml:"stack" json:"stack"`
DNSListen string `yaml:"dns-listen" json:"dns-listen"`
AutoRoute bool `yaml:"auto-route" json:"auto-route"`
}
// Script config
type Script struct {
MainCode string `yaml:"code" json:"code"`
ShortcutsCode map[string]string `yaml:"shortcuts" json:"shortcuts"`
}
// Experimental config
type Experimental struct{}
// Config is clash config manager
type Config struct {
General *General
Tun *Tun
DNS *DNS
Experimental *Experimental
Hosts *trie.DomainTrie
Profile *Profile
Rules []C.Rule
RuleProviders map[string]C.Rule
Users []auth.AuthUser
Proxies map[string]C.Proxy
Providers map[string]providerTypes.ProxyProvider
@ -126,6 +149,7 @@ type RawFallbackFilter struct {
GeoIPCode string `yaml:"geoip-code"`
IPCIDR []string `yaml:"ipcidr"`
Domain []string `yaml:"domain"`
GeoSite []string `yaml:"geosite"`
}
type RawConfig struct {
@ -148,11 +172,13 @@ type RawConfig struct {
ProxyProvider map[string]map[string]interface{} `yaml:"proxy-providers"`
Hosts map[string]string `yaml:"hosts"`
DNS RawDNS `yaml:"dns"`
Tun Tun `yaml:"tun"`
Experimental Experimental `yaml:"experimental"`
Profile Profile `yaml:"profile"`
Proxy []map[string]interface{} `yaml:"proxies"`
ProxyGroup []map[string]interface{} `yaml:"proxy-groups"`
Rule []string `yaml:"rules"`
Script Script `yaml:"script"`
}
// Parse config
@ -177,6 +203,12 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
Rule: []string{},
Proxy: []map[string]interface{}{},
ProxyGroup: []map[string]interface{}{},
Tun: Tun{
Enable: false,
Stack: "lwip",
DNSListen: "0.0.0.0:53",
AutoRoute: true,
},
DNS: RawDNS{
Enable: false,
UseHosts: true,
@ -185,15 +217,20 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
GeoIP: true,
GeoIPCode: "CN",
IPCIDR: []string{},
GeoSite: []string{},
},
DefaultNameserver: []string{
"114.114.114.114",
"8.8.8.8",
"223.5.5.5",
},
},
Profile: Profile{
StoreSelected: true,
},
Script: Script{
MainCode: "",
ShortcutsCode: map[string]string{},
},
}
if err := yaml.Unmarshal(buf, rawCfg); err != nil {
@ -222,11 +259,17 @@ func ParseRawConfig(rawCfg *RawConfig) (*Config, error) {
config.Proxies = proxies
config.Providers = providers
rules, err := parseRules(rawCfg, proxies)
err = parseScript(rawCfg)
if err != nil {
return nil, err
}
rules, ruleProviders, err := parseRules(rawCfg, proxies)
if err != nil {
return nil, err
}
config.Rules = rules
config.RuleProviders = ruleProviders
hosts, err := parseHosts(rawCfg)
if err != nil {
@ -234,7 +277,7 @@ func ParseRawConfig(rawCfg *RawConfig) (*Config, error) {
}
config.Hosts = hosts
dnsCfg, err := parseDNS(rawCfg, hosts)
dnsCfg, err := parseDNS(rawCfg, hosts, rules)
if err != nil {
return nil, err
}
@ -264,6 +307,7 @@ func parseGeneral(cfg *RawConfig) (*General, error) {
RedirPort: cfg.RedirPort,
TProxyPort: cfg.TProxyPort,
MixedPort: cfg.MixedPort,
Tun: cfg.Tun,
AllowLan: cfg.AllowLan,
BindAddress: cfg.BindAddress,
},
@ -337,10 +381,10 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
providersMap[name] = pd
}
for _, provider := range providersMap {
log.Infoln("Start initial provider %s", provider.Name())
if err := provider.Initial(); err != nil {
return nil, nil, fmt.Errorf("initial proxy provider %s error: %w", provider.Name(), err)
for _, rp := range providersMap {
log.Infoln("Start initial provider %s", rp.Name())
if err := rp.Initial(); err != nil {
return nil, nil, fmt.Errorf("initial proxy provider %s error: %w", rp.Name(), err)
}
}
@ -395,9 +439,84 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
return proxies, providersMap, nil
}
func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, error) {
func parseScript(cfg *RawConfig) error {
mode := cfg.Mode
script := cfg.Script
mainCode := cleanPyKeywords(script.MainCode)
shortcutsCode := script.ShortcutsCode
if mode != T.Script && len(shortcutsCode) == 0 {
return nil
} else if mode == T.Script && len(mainCode) == 0 {
return fmt.Errorf("initialized script module failure, can't find script code in the config file")
}
content :=
`# -*- coding: UTF-8 -*-
from datetime import datetime as whatever
class ClashTime:
def now(self):
return whatever.now()
def unix(self):
return int(whatever.now().timestamp())
def unix_nano(self):
return int(round(whatever.now().timestamp() * 1000))
time = ClashTime()
`
var shouldInitPy bool
if mode == T.Script {
content += mainCode + "\n\n"
shouldInitPy = true
}
for k, v := range shortcutsCode {
v = cleanPyKeywords(v)
v = strings.TrimSpace(v)
if len(v) == 0 {
return fmt.Errorf("initialized rule SCRIPT failure, shortcut [%s] code invalid syntax", k)
}
content += "def " + strings.ToLower(k) + "(ctx, network, process_name, host, src_ip, src_port, dst_ip, dst_port):\n return " + v + "\n\n"
shouldInitPy = true
}
if !shouldInitPy {
return nil
}
err := os.WriteFile(C.Path.Script(), []byte(content), 0o644)
if err != nil {
return fmt.Errorf("initialized script module failure, %s", err.Error())
}
if err = S.Py_Initialize(C.Path.GetExecutableFullPath(), C.Path.ScriptDir()); err != nil {
return fmt.Errorf("initialized script module failure, %s", err.Error())
} else if mode == T.Script {
if err = S.LoadMainFunction(); err != nil {
return fmt.Errorf("initialized script module failure, %s", err.Error())
}
}
log.Infoln("Start initial script module successful, version: %s", S.Py_GetVersion())
return nil
}
func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, map[string]C.Rule, error) {
rules := []C.Rule{}
ruleProviders := map[string]C.Rule{}
rulesConfig := cfg.Rule
mode := cfg.Mode
providerNames := []string{}
isPyInit := S.Py_IsInitialized()
// parse rules
for idx, line := range rulesConfig {
@ -406,12 +525,23 @@ func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, error) {
payload string
target string
params = []string{}
ruleName = strings.ToUpper(rule[0])
)
if mode == T.Script && ruleName != "GEOSITE" {
continue
}
switch l := len(rule); {
case l == 2:
target = rule[1]
case l == 3:
if ruleName == "MATCH" {
payload = ""
target = rule[1]
params = rule[2:]
break
}
payload = rule[1]
target = rule[2]
case l >= 4:
@ -419,25 +549,45 @@ func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, error) {
target = rule[2]
params = rule[3:]
default:
return nil, fmt.Errorf("rules[%d] [%s] error: format invalid", idx, line)
return nil, nil, fmt.Errorf("rules[%d] [%s] error: format invalid", idx, line)
}
if _, ok := proxies[target]; !ok {
return nil, fmt.Errorf("rules[%d] [%s] error: proxy [%s] not found", idx, line, target)
if _, ok := proxies[target]; mode != T.Script && !ok {
return nil, nil, fmt.Errorf("rules[%d] [%s] error: proxy [%s] not found", idx, line, target)
}
rule = trimArr(rule)
params = trimArr(params)
parsed, parseErr := R.ParseRule(rule[0], payload, target, params)
parsed, parseErr := R.ParseRule(ruleName, payload, target, params)
if parseErr != nil {
return nil, fmt.Errorf("rules[%d] [%s] error: %s", idx, line, parseErr.Error())
return nil, nil, fmt.Errorf("rules[%d] [%s] error: %s", idx, line, parseErr.Error())
}
if isPyInit {
if ruleName == "GEOSITE" {
pvName := "geosite:" + strings.ToLower(payload)
providerNames = append(providerNames, pvName)
ruleProviders[pvName] = parsed
}
}
if mode != T.Script {
rules = append(rules, parsed)
}
}
return rules, nil
runtime.GC()
if isPyInit {
err := S.NewClashPyContext(providerNames)
if err != nil {
return nil, nil, err
} else {
log.Infoln("Start initial script context successful, provider records: %v", len(providerNames))
}
}
return rules, ruleProviders, nil
}
func parseHosts(cfg *RawConfig) (*trie.DomainTrie, error) {
@ -454,7 +604,7 @@ func parseHosts(cfg *RawConfig) (*trie.DomainTrie, error) {
if ip == nil {
return nil, fmt.Errorf("%s is not a valid IP", ipStr)
}
tree.Insert(domain, ip)
_ = tree.Insert(domain, ip)
}
}
@ -522,6 +672,7 @@ func parseNameServer(servers []string) ([]dns.NameServer, error) {
dns.NameServer{
Net: dnsNetType,
Addr: addr,
ProxyAdapter: u.Fragment,
},
)
}
@ -559,7 +710,37 @@ func parseFallbackIPCIDR(ips []string) ([]*net.IPNet, error) {
return ipNets, nil
}
func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie) (*DNS, error) {
func parseFallbackGeoSite(countries []string, rules []C.Rule) ([]*router.DomainMatcher, error) {
sites := []*router.DomainMatcher{}
for _, country := range countries {
found := false
for _, rule := range rules {
if rule.RuleType() == C.GEOSITE {
if strings.EqualFold(country, rule.Payload()) {
found = true
sites = append(sites, rule.(C.RuleGeoSite).GetDomainMatcher())
log.Infoln("Start initial GeoSite dns fallback filter from rule `%s`", country)
}
}
}
if !found {
matcher, recordsCount, err := geodata.LoadGeoSiteMatcher(country)
if err != nil {
return nil, err
}
sites = append(sites, matcher)
log.Infoln("Start initial GeoSite dns fallback filter `%s`, records: %d", country, recordsCount)
}
}
runtime.GC()
return sites, nil
}
func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie, rules []C.Rule) (*DNS, error) {
cfg := rawCfg.DNS
if cfg.Enable && len(cfg.NameServer) == 0 {
return nil, fmt.Errorf("if DNS configuration is turned on, NameServer cannot be empty")
@ -572,6 +753,7 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie) (*DNS, error) {
EnhancedMode: cfg.EnhancedMode,
FallbackFilter: FallbackFilter{
IPCIDR: []*net.IPNet{},
GeoSite: []*router.DomainMatcher{},
},
}
var err error
@ -612,7 +794,19 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie) (*DNS, error) {
if len(cfg.FakeIPFilter) != 0 {
host = trie.New()
for _, domain := range cfg.FakeIPFilter {
host.Insert(domain, true)
_ = host.Insert(domain, true)
}
}
if len(dnsCfg.Fallback) != 0 {
if host == nil {
host = trie.New()
}
for _, fb := range dnsCfg.Fallback {
if net.ParseIP(fb.Addr) != nil {
continue
}
host.Insert(fb.Addr, true)
}
}
@ -629,12 +823,19 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie) (*DNS, error) {
dnsCfg.FakeIPRange = pool
}
if len(cfg.Fallback) != 0 {
dnsCfg.FallbackFilter.GeoIP = cfg.FallbackFilter.GeoIP
dnsCfg.FallbackFilter.GeoIPCode = cfg.FallbackFilter.GeoIPCode
if fallbackip, err := parseFallbackIPCIDR(cfg.FallbackFilter.IPCIDR); err == nil {
dnsCfg.FallbackFilter.IPCIDR = fallbackip
}
dnsCfg.FallbackFilter.Domain = cfg.FallbackFilter.Domain
fallbackGeoSite, err := parseFallbackGeoSite(cfg.FallbackFilter.GeoSite, rules)
if err != nil {
return nil, fmt.Errorf("load GeoSite dns fallback filter error, %w", err)
}
dnsCfg.FallbackFilter.GeoSite = fallbackGeoSite
}
if cfg.UseHosts {
dnsCfg.Hosts = hosts
@ -653,3 +854,16 @@ func parseAuthentication(rawRecords []string) []auth.AuthUser {
}
return users
}
func cleanPyKeywords(code string) string {
if len(code) == 0 {
return code
}
keywords := []string{"import", "print"}
for _, kw := range keywords {
reg := regexp.MustCompile("(?m)[\r\n]+^.*" + kw + ".*$")
code = reg.ReplaceAllString(code, "")
}
return code
}

71
config/initial.go
View file

@ -12,7 +12,7 @@ import (
)
func downloadMMDB(path string) (err error) {
resp, err := http.Get("https://cdn.jsdelivr.net/gh/Dreamacro/maxmind-geoip@release/Country.mmdb")
resp, err := http.Get("https://cdn.jsdelivr.net/gh/Loyalsoldier/geoip@release/Country.mmdb")
if err != nil {
return
}
@ -50,6 +50,65 @@ func initMMDB() error {
return nil
}
//func downloadGeoIP(path string) (err error) {
// resp, err := http.Get("https://cdn.jsdelivr.net/gh/Loyalsoldier/v2ray-rules-dat@release/geoip.dat")
// if err != nil {
// return
// }
// defer resp.Body.Close()
//
// f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0644)
// if err != nil {
// return err
// }
// defer f.Close()
// _, err = io.Copy(f, resp.Body)
//
// return err
//}
func downloadGeoSite(path string) (err error) {
resp, err := http.Get("https://cdn.jsdelivr.net/gh/Loyalsoldier/v2ray-rules-dat@release/geosite.dat")
if err != nil {
return
}
defer resp.Body.Close()
f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0o644)
if err != nil {
return err
}
defer f.Close()
_, err = io.Copy(f, resp.Body)
return err
}
//
//func initGeoIP() error {
// if _, err := os.Stat(C.Path.GeoIP()); os.IsNotExist(err) {
// log.Infoln("Can't find GeoIP.dat, start download")
// if err := downloadGeoIP(C.Path.GeoIP()); err != nil {
// return fmt.Errorf("can't download GeoIP.dat: %s", err.Error())
// }
// log.Infoln("Download GeoIP.dat finish")
// }
//
// return nil
//}
func initGeoSite() error {
if _, err := os.Stat(C.Path.GeoSite()); os.IsNotExist(err) {
log.Infoln("Can't find GeoSite.dat, start download")
if err := downloadGeoSite(C.Path.GeoSite()); err != nil {
return fmt.Errorf("can't download GeoSite.dat: %s", err.Error())
}
log.Infoln("Download GeoSite.dat finish")
}
return nil
}
// Init prepare necessary files
func Init(dir string) error {
// initial homedir
@ -70,9 +129,19 @@ func Init(dir string) error {
f.Close()
}
//// initial GeoIP
//if err := initGeoIP(); err != nil {
// return fmt.Errorf("can't initial GeoIP: %w", err)
//}
// initial mmdb
if err := initMMDB(); err != nil {
return fmt.Errorf("can't initial MMDB: %w", err)
}
// initial GeoSite
if err := initGeoSite(); err != nil {
return fmt.Errorf("can't initial GeoSite: %w", err)
}
return nil
}

3
constant/adapters.go
View file

@ -20,6 +20,7 @@ const (
Socks5
Http
Vmess
Vless
Trojan
Relay
@ -141,6 +142,8 @@ func (at AdapterType) String() string {
return "Http"
case Vmess:
return "Vmess"
case Vless:
return "Vless"
case Trojan:
return "Trojan"

9
constant/metadata.go
View file

@ -14,6 +14,7 @@ const (
TCP NetWork = iota
UDP
ALLNet
HTTP Type = iota
HTTPCONNECT
@ -21,6 +22,7 @@ const (
SOCKS5
REDIR
TPROXY
TUN
)
type NetWork int
@ -28,9 +30,11 @@ type NetWork int
func (n NetWork) String() string {
if n == TCP {
return "tcp"
}
} else if n == UDP {
return "udp"
}
return "all"
}
func (n NetWork) MarshalJSON() ([]byte, error) {
return json.Marshal(n.String())
@ -52,6 +56,8 @@ func (t Type) String() string {
return "Redir"
case TPROXY:
return "TProxy"
case TUN:
return "Tun"
default:
return "Unknown"
}
@ -71,6 +77,7 @@ type Metadata struct {
DstPort string `json:"destinationPort"`
AddrType int `json:"-"`
Host string `json:"host"`
Process string `json:"process"`
DNSMode DNSMode `json:"dnsMode"`
}

39
constant/path.go
View file

@ -22,6 +22,7 @@ var Path = func() *path {
type path struct {
homeDir string
configFile string
scriptDir string
}
// SetHomeDir is used to set the configuration path
@ -62,3 +63,41 @@ func (p *path) OldCache() string {
func (p *path) Cache() string {
return P.Join(p.homeDir, "cache.db")
}
func (p *path) GeoIP() string {
return P.Join(p.homeDir, "geoip.dat")
}
func (p *path) GeoSite() string {
return P.Join(p.homeDir, "geosite.dat")
}
func (p *path) ScriptDir() string {
if len(p.scriptDir) != 0 {
return p.scriptDir
}
if dir, err := os.MkdirTemp("", Name+"-"); err == nil {
p.scriptDir = dir
} else {
p.scriptDir = P.Join(os.TempDir(), Name)
_ = os.MkdirAll(p.scriptDir, 0o644)
}
return p.scriptDir
}
func (p *path) Script() string {
return P.Join(p.ScriptDir(), "clash_script.py")
}
func (p *path) GetAssetLocation(file string) string {
return P.Join(p.homeDir, file)
}
func (p *path) GetExecutableFullPath() string {
exePath, err := os.Executable()
if err != nil {
return "clash"
}
res, _ := filepath.EvalSymlinks(exePath)
return res
}

7
constant/rule.go
View file

@ -5,12 +5,14 @@ const (
Domain RuleType = iota
DomainSuffix
DomainKeyword
GEOSITE
GEOIP
IPCIDR
SrcIPCIDR
SrcPort
DstPort
Process
Script
MATCH
)
@ -24,6 +26,8 @@ func (rt RuleType) String() string {
return "DomainSuffix"
case DomainKeyword:
return "DomainKeyword"
case GEOSITE:
return "GeoSite"
case GEOIP:
return "GeoIP"
case IPCIDR:
@ -36,6 +40,8 @@ func (rt RuleType) String() string {
return "DstPort"
case Process:
return "Process"
case Script:
return "Script"
case MATCH:
return "Match"
default:
@ -49,4 +55,5 @@ type Rule interface {
Adapter() string
Payload() string
ShouldResolveIP() bool
RuleExtra() *RuleExtra
}

35
constant/rule_extra.go Normal file
View file

@ -0,0 +1,35 @@
package constant
import (
"net"
"github.com/Dreamacro/clash/component/geodata/router"
)
var TunBroadcastAddr = net.IPv4(198, 18, 255, 255)
type RuleExtra struct {
Network NetWork
SourceIPs []*net.IPNet
}
func (re *RuleExtra) NotMatchNetwork(network NetWork) bool {
return re.Network != ALLNet && re.Network != network
}
func (re *RuleExtra) NotMatchSourceIP(srcIP net.IP) bool {
if re.SourceIPs == nil {
return false
}
for _, ips := range re.SourceIPs {
if ips.Contains(srcIP) {
return false
}
}
return true
}
type RuleGeoSite interface {
GetDomainMatcher() *router.DomainMatcher
}

17
dns/client.go
View file

@ -19,6 +19,7 @@ type client struct {
port string
host string
iface string
proxyAdapter string
}
func (c *client) Exchange(m *D.Msg) (*D.Msg, error) {
@ -30,15 +31,16 @@ func (c *client) ExchangeContext(ctx context.Context, m *D.Msg) (*D.Msg, error)
ip net.IP
err error
)
if c.r == nil {
// a default ip dns
if ip = net.ParseIP(c.host); ip == nil {
if c.r == nil {
return nil, fmt.Errorf("dns %s not a valid ip", c.host)
}
} else {
if ip, err = resolver.ResolveIPWithResolver(c.host, c.r); err != nil {
return nil, fmt.Errorf("use default dns resolve failed: %w", err)
}
c.host = ip.String()
}
}
network := "udp"
@ -50,7 +52,14 @@ func (c *client) ExchangeContext(ctx context.Context, m *D.Msg) (*D.Msg, error)
if c.iface != "" {
options = append(options, dialer.WithInterface(c.iface))
}
conn, err := dialer.DialContext(ctx, network, net.JoinHostPort(ip.String(), c.port), options...)
var conn net.Conn
if c.proxyAdapter == "" {
conn, err = dialer.DialContext(ctx, network, net.JoinHostPort(ip.String(), c.port), options...)
} else {
conn, err = dialContextWithProxyAdapter(ctx, c.proxyAdapter, network, ip, c.port, options...)
}
if err != nil {
return nil, err
}

12
dns/doh.go
View file

@ -20,6 +20,7 @@ const (
type dohClient struct {
url string
proxyAdapter string
transport *http.Transport
}
@ -62,7 +63,7 @@ func (dc *dohClient) newRequest(m *D.Msg) (*http.Request, error) {
return req, nil
}
func (dc *dohClient) doRequest(req *http.Request) (msg *D.Msg, err error) {
func (dc *dohClient) doRequest(req *http.Request) (*D.Msg, error) {
client := &http.Client{Transport: dc.transport}
resp, err := client.Do(req)
if err != nil {
@ -74,14 +75,15 @@ func (dc *dohClient) doRequest(req *http.Request) (msg *D.Msg, err error) {
if err != nil {
return nil, err
}
msg = &D.Msg{}
msg := &D.Msg{}
err = msg.Unpack(buf)
return msg, err
}
func newDoHClient(url string, r *Resolver) *dohClient {
func newDoHClient(url string, r *Resolver, proxyAdapter string) *dohClient {
return &dohClient{
url: url,
proxyAdapter: proxyAdapter,
transport: &http.Transport{
ForceAttemptHTTP2: true,
DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
@ -95,7 +97,11 @@ func newDoHClient(url string, r *Resolver) *dohClient {
return nil, err
}
if proxyAdapter == "" {
return dialer.DialContext(ctx, "tcp", net.JoinHostPort(ip.String(), port))
} else {
return dialContextWithProxyAdapter(ctx, proxyAdapter, "tcp", ip, port)
}
},
},
}

17
dns/filters.go
View file

@ -4,8 +4,10 @@ import (
"net"
"strings"
"github.com/Dreamacro/clash/component/geodata/router"
"github.com/Dreamacro/clash/component/mmdb"
"github.com/Dreamacro/clash/component/trie"
C "github.com/Dreamacro/clash/constant"
)
type fallbackIPFilter interface {
@ -18,7 +20,7 @@ type geoipFilter struct {
func (gf *geoipFilter) Match(ip net.IP) bool {
record, _ := mmdb.Instance().Country(ip)
return !strings.EqualFold(record.Country.IsoCode, gf.code) && !ip.IsPrivate()
return !strings.EqualFold(record.Country.IsoCode, gf.code) && !ip.IsPrivate() && !ip.Equal(C.TunBroadcastAddr)
}
type ipnetFilter struct {
@ -48,3 +50,16 @@ func NewDomainFilter(domains []string) *domainFilter {
func (df *domainFilter) Match(domain string) bool {
return df.tree.Search(domain) != nil
}
type geoSiteFilter struct {
matchers []*router.DomainMatcher
}
func (gsf *geoSiteFilter) Match(domain string) bool {
for _, matcher := range gsf.matchers {
if matcher.ApplyDomain(domain) {
return true
}
}
return false
}

2
dns/middleware.go
View file

@ -172,7 +172,7 @@ func compose(middlewares []middleware, endpoint handler) handler {
return h
}
func newHandler(resolver *Resolver, mapper *ResolverEnhancer) handler {
func NewHandler(resolver *Resolver, mapper *ResolverEnhancer) handler {
middlewares := []middleware{}
if resolver.hosts != nil {

16
dns/patch.go Normal file
View file

@ -0,0 +1,16 @@
package dns
import D "github.com/miekg/dns"
type LocalServer struct {
handler handler
}
// ServeMsg implement resolver.LocalServer ResolveMsg
func (s *LocalServer) ServeMsg(msg *D.Msg) (*D.Msg, error) {
return handlerWithContext(s.handler, msg)
}
func NewLocalServer(resolver *Resolver, mapper *ResolverEnhancer) *LocalServer {
return &LocalServer{handler: NewHandler(resolver, mapper)}
}

48
dns/resolver.go
View file

@ -12,6 +12,7 @@ import (
"github.com/Dreamacro/clash/common/cache"
"github.com/Dreamacro/clash/common/picker"
"github.com/Dreamacro/clash/component/fakeip"
"github.com/Dreamacro/clash/component/geodata/router"
"github.com/Dreamacro/clash/component/resolver"
"github.com/Dreamacro/clash/component/trie"
C "github.com/Dreamacro/clash/constant"
@ -149,7 +150,7 @@ func (r *Resolver) exchangeWithoutCache(ctx context.Context, m *D.Msg) (msg *D.M
return
}
func (r *Resolver) batchExchange(ctx context.Context, clients []dnsClient, m *D.Msg) (msg *D.Msg, err error) {
func (r *Resolver) batchExchange(ctx context.Context, clients []dnsClient, m *D.Msg) (*D.Msg, error) {
fast, ctx := picker.WithTimeout(ctx, resolver.DefaultDNSTimeout)
for _, client := range clients {
r := client
@ -173,8 +174,8 @@ func (r *Resolver) batchExchange(ctx context.Context, clients []dnsClient, m *D.
return nil, err
}
msg = elm.(*D.Msg)
return
msg := elm.(*D.Msg)
return msg, nil
}
func (r *Resolver) matchPolicy(m *D.Msg) []dnsClient {
@ -215,7 +216,7 @@ func (r *Resolver) shouldOnlyQueryFallback(m *D.Msg) bool {
return false
}
func (r *Resolver) ipExchange(ctx context.Context, m *D.Msg) (msg *D.Msg, err error) {
func (r *Resolver) ipExchange(ctx context.Context, m *D.Msg) (*D.Msg, error) {
if matched := r.matchPolicy(m); len(matched) != 0 {
res := <-r.asyncExchange(ctx, matched, m)
return res.Msg, res.Error
@ -230,27 +231,22 @@ func (r *Resolver) ipExchange(ctx context.Context, m *D.Msg) (msg *D.Msg, err er
msgCh := r.asyncExchange(ctx, r.main, m)
if r.fallback == nil { // directly return if no fallback servers are available
if r.fallback == nil || len(r.fallback) == 0 { // directly return if no fallback servers are available
res := <-msgCh
msg, err = res.Msg, res.Error
return
return res.Msg, res.Error
}
fallbackMsg := r.asyncExchange(ctx, r.fallback, m)
res := <-msgCh
if res.Error == nil {
if ips := msgToIP(res.Msg); len(ips) != 0 {
if !r.shouldIPFallback(ips[0]) {
msg = res.Msg // no need to wait for fallback result
err = res.Error
return msg, err
return res.Msg, res.Error // no need to wait for fallback result
}
}
}
res = <-fallbackMsg
msg, err = res.Msg, res.Error
return
res = <-r.asyncExchange(ctx, r.fallback, m)
return res.Msg, res.Error
}
func (r *Resolver) resolveIP(host string, dnsType uint16) (ip net.IP, err error) {
@ -305,6 +301,7 @@ type NameServer struct {
Net string
Addr string
Interface string
ProxyAdapter string
}
type FallbackFilter struct {
@ -312,6 +309,7 @@ type FallbackFilter struct {
GeoIPCode string
IPCIDR []*net.IPNet
Domain []string
GeoSite []*router.DomainMatcher
}
type Config struct {
@ -360,10 +358,28 @@ func NewResolver(config Config) *Resolver {
}
r.fallbackIPFilters = fallbackIPFilters
fallbackDomainFilters := []fallbackDomainFilter{}
if len(config.FallbackFilter.Domain) != 0 {
fallbackDomainFilters := []fallbackDomainFilter{NewDomainFilter(config.FallbackFilter.Domain)}
r.fallbackDomainFilters = fallbackDomainFilters
fallbackDomainFilters = append(fallbackDomainFilters, NewDomainFilter(config.FallbackFilter.Domain))
}
if len(config.FallbackFilter.GeoSite) != 0 {
fallbackDomainFilters = append(fallbackDomainFilters, &geoSiteFilter{
matchers: config.FallbackFilter.GeoSite,
})
}
r.fallbackDomainFilters = fallbackDomainFilters
return r
}
func NewMainResolver(old *Resolver) *Resolver {
r := &Resolver{
ipv6: old.ipv6,
main: old.main,
lruCache: old.lruCache,
hosts: old.hosts,
policy: old.policy,
}
return r
}

8
dns/server.go
View file

@ -43,14 +43,14 @@ func handlerWithContext(handler handler, msg *D.Msg) (*D.Msg, error) {
return handler(ctx, msg)
}
func (s *Server) setHandler(handler handler) {
func (s *Server) SetHandler(handler handler) {
s.handler = handler
}
func ReCreateServer(addr string, resolver *Resolver, mapper *ResolverEnhancer) error {
if addr == address && resolver != nil {
handler := newHandler(resolver, mapper)
server.setHandler(handler)
handler := NewHandler(resolver, mapper)
server.SetHandler(handler)
return nil
}
@ -81,7 +81,7 @@ func ReCreateServer(addr string, resolver *Resolver, mapper *ResolverEnhancer) e
}
address = addr
handler := newHandler(resolver, mapper)
handler := NewHandler(resolver, mapper)
server = &Server{handler: handler}
server.Server = &D.Server{Addr: addr, PacketConn: p, Handler: server}

68
dns/util.go
View file

@ -1,12 +1,17 @@
package dns
import (
"context"
"crypto/tls"
"fmt"
"net"
"time"
"github.com/Dreamacro/clash/common/cache"
"github.com/Dreamacro/clash/component/dialer"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
"github.com/Dreamacro/clash/tunnel"
D "github.com/miekg/dns"
)
@ -51,7 +56,7 @@ func transform(servers []NameServer, resolver *Resolver) []dnsClient {
for _, s := range servers {
switch s.Net {
case "https":
ret = append(ret, newDoHClient(s.Addr, resolver))
ret = append(ret, newDoHClient(s.Addr, resolver, s.ProxyAdapter))
continue
case "dhcp":
ret = append(ret, newDHCPClient(s.Addr))
@ -74,6 +79,7 @@ func transform(servers []NameServer, resolver *Resolver) []dnsClient {
host: host,
iface: s.Interface,
r: resolver,
proxyAdapter: s.ProxyAdapter,
})
}
return ret
@ -104,3 +110,63 @@ func msgToIP(msg *D.Msg) []net.IP {
return ips
}
type wrapPacketConn struct {
net.PacketConn
rAddr net.Addr
}
func (wpc *wrapPacketConn) Read(b []byte) (n int, err error) {
n, _, err = wpc.PacketConn.ReadFrom(b)
return n, err
}
func (wpc *wrapPacketConn) Write(b []byte) (n int, err error) {
return wpc.PacketConn.WriteTo(b, wpc.rAddr)
}
func (wpc *wrapPacketConn) RemoteAddr() net.Addr {
return wpc.rAddr
}
func dialContextWithProxyAdapter(ctx context.Context, adapterName string, network string, dstIP net.IP, port string, opts ...dialer.Option) (net.Conn, error) {
adapter, ok := tunnel.Proxies()[adapterName]
if !ok {
return nil, fmt.Errorf("proxy adapter [%s] not found", adapterName)
}
networkType := C.TCP
if network == "udp" {
if !adapter.SupportUDP() {
return nil, fmt.Errorf("proxy adapter [%s] UDP is not supported", adapterName)
}
networkType = C.UDP
}
addrType := C.AtypIPv4
if dstIP.To4() == nil {
addrType = C.AtypIPv6
}
metadata := &C.Metadata{
NetWork: networkType,
AddrType: addrType,
Host: "",
DstIP: dstIP,
DstPort: port,
}
if networkType == C.UDP {
packetConn, err := adapter.ListenPacketContext(ctx, metadata, opts...)
if err != nil {
return nil, err
}
return &wrapPacketConn{
PacketConn: packetConn,
rAddr: metadata.UDPAddr(),
}, nil
}
return adapter.DialContext(ctx, metadata, opts...)
}

11
go.mod
View file

@ -10,10 +10,13 @@ require (
github.com/gofrs/uuid v4.1.0+incompatible
github.com/gorilla/websocket v1.4.2
github.com/insomniacslk/dhcp v0.0.0-20211026125128-ad197bcd36fd
github.com/kr328/tun2socket v0.0.0-20210412191540-3d56c47e2d99
github.com/miekg/dns v1.1.43
github.com/oschwald/geoip2-golang v1.5.0
github.com/sirupsen/logrus v1.8.1
github.com/stretchr/testify v1.7.0
github.com/xtls/go v0.0.0-20201118062508-3632bf3b7499
github.com/yaling888/go-lwip v0.0.0-20211103185822-c9d650538091
go.etcd.io/bbolt v1.3.6
go.uber.org/atomic v1.9.0
go.uber.org/automaxprocs v1.4.0
@ -21,14 +24,20 @@ require (
golang.org/x/net v0.0.0-20211105192438-b53810dc28af
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
golang.org/x/sys v0.0.0-20211107104306-e0b2ad06fe42
golang.zx2c4.com/wireguard/windows v0.5.1
google.golang.org/protobuf v1.27.1
gopkg.in/yaml.v2 v2.4.0
gvisor.dev/gvisor v0.0.0-20211104052249-2de3450f76d6
)
require (
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/google/btree v1.0.1 // indirect
github.com/kr/pretty v0.2.1 // indirect
github.com/oschwald/maxminddb-golang v1.8.0 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/u-root/uio v0.0.0-20210528114334-82958018845c // indirect
golang.org/x/text v0.3.6 // indirect
golang.org/x/text v0.3.8-0.20211004125949-5bd84dd9b33b // indirect
golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
)

764
go.sum
View file

@ -1,38 +1,311 @@
bazil.org/fuse v0.0.0-20200407214033-5883e5a4b512/go.mod h1:FbcW6z/2VytnFDhZfumh8Ss8zxHE6qpMP5sHTRe0EaM=
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
cloud.google.com/go v0.83.0/go.mod h1:Z7MJUsANfY0pYPdw0lbnivPx4/vhy/e2FEkSkF7vAVY=
cloud.google.com/go v0.84.0/go.mod h1:RazrYuxIK6Kb7YrzzhPoLmCVzl7Sup4NrbKPg8KHSUM=
cloud.google.com/go v0.88.0/go.mod h1:dnKwfYbP9hQhefiUvpbcAyoGSHUrOxR20JVElLiUvEY=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/Dreamacro/go-shadowsocks2 v0.1.7 h1:8CtbE1HoPPMfrQZGXmlluq6dO2lL31W6WRRE8fabc4Q=
github.com/Dreamacro/go-shadowsocks2 v0.1.7/go.mod h1:8p5G4cAj5ZlXwUR+Ww63gfSikr8kvw8uw3TDwLAJpUc=
github.com/Microsoft/go-winio v0.4.16-0.20201130162521-d1ffc52c7331/go.mod h1:XB6nPKklQyQ7GC9LdcBEcBl8PF76WugXOPRXwdLnMv0=
github.com/Microsoft/go-winio v0.5.1/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84=
github.com/Microsoft/hcsshim v0.8.14/go.mod h1:NtVKoYxQuTLx6gEq0L96c9Ju4JbRJ4nY2ow3VK6a9Lg=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
github.com/bazelbuild/rules_go v0.27.0/go.mod h1:MC23Dc/wkXEyk3Wpq6lCqz0ZAYOZDw2DR5y3N1q2i7M=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/cenkalti/backoff v1.1.1-0.20190506075156-2146c9339422/go.mod h1:b6Nc7NRH5C4aCISLry0tLnTjcuTEvoiqcWDdsU0sOGM=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
github.com/cilium/ebpf v0.0.0-20200110133405-4032b1d8aae3/go.mod h1:MA5e5Lr8slmEg9bt0VpxxWqJlO4iwu3FBdHUzV7wQVg=
github.com/cilium/ebpf v0.4.0/go.mod h1:4tRaxcgiL706VnOzHOdBlY8IEAIdxINsQBcU4xJJXRs=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
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github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
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github.com/imdario/mergo v0.3.5/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
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github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
github.com/jsimonetti/rtnetlink v0.0.0-20190606172950-9527aa82566a/go.mod h1:Oz+70psSo5OFh8DBl0Zv2ACw7Esh6pPUphlvZG9x7uw=
github.com/jsimonetti/rtnetlink v0.0.0-20200117123717-f846d4f6c1f4/go.mod h1:WGuG/smIU4J/54PblvSbh+xvCZmpJnFgr3ds6Z55XMQ=
github.com/jsimonetti/rtnetlink v0.0.0-20201009170750-9c6f07d100c1/go.mod h1:hqoO/u39cqLeBLebZ8fWdE96O7FxrAsRYhnVOdgHxok=
github.com/jsimonetti/rtnetlink v0.0.0-20201110080708-d2c240429e6c/go.mod h1:huN4d1phzjhlOsNIjFsw2SVRbwIHj3fJDMEU2SDPTmg=
github.com/json-iterator/go v0.0.0-20180612202835-f2b4162afba3/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
github.com/json-iterator/go v1.1.7/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
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github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
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github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
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github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/pty v1.1.4-0.20190131011033-7dc38fb350b1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/kr328/tun2socket v0.0.0-20210412191540-3d56c47e2d99 h1:dkEFEnGUg2z/FAPywWr4yfR/sWDQK76qn3J4Y5H2hJs=
github.com/kr328/tun2socket v0.0.0-20210412191540-3d56c47e2d99/go.mod h1:FWfSixjrLgtK+dHkDoN6lHMNhvER24gnjUZd/wt8Z9o=
github.com/lxn/walk v0.0.0-20210112085537-c389da54e794/go.mod h1:E23UucZGqpuUANJooIbHWCufXvOcT6E7Stq81gU+CSQ=
github.com/lxn/win v0.0.0-20210218163916-a377121e959e/go.mod h1:KxxjdtRkfNoYDCUP5ryK7XJJNTnpC8atvtmTheChOtk=
github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
github.com/mailru/easyjson v0.0.0-20160728113105-d5b7844b561a/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
github.com/mattbaird/jsonpatch v0.0.0-20171005235357-81af80346b1a/go.mod h1:M1qoD/MqPgTZIk0EWKB38wE28ACRfVcn+cU08jyArI0=
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
github.com/mdlayher/ethernet v0.0.0-20190606142754-0394541c37b7/go.mod h1:U6ZQobyTjI/tJyq2HG+i/dfSoFUt8/aZCM+GKtmFk/Y=
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github.com/mdlayher/netlink v1.0.0/go.mod h1:KxeJAFOFLG6AjpyDkQ/iIhxygIUKD+vcwqcnu43w/+M=
@ -42,85 +315,572 @@ github.com/mdlayher/raw v0.0.0-20190606142536-fef19f00fc18/go.mod h1:7EpbotpCmVZ
github.com/mdlayher/raw v0.0.0-20191009151244-50f2db8cc065/go.mod h1:7EpbotpCmVZcu+KCX4g9WaRNuu11uyhiW7+Le1dKawg=
github.com/miekg/dns v1.1.43 h1:JKfpVSCB84vrAmHzyrsxB5NAr5kLoMXZArPSw7Qlgyg=
github.com/miekg/dns v1.1.43/go.mod h1:+evo5L0630/F6ca/Z9+GAqzhjGyn8/c+TBaOyfEl0V4=
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github.com/mohae/deepcopy v0.0.0-20170308212314-bb9b5e7adda9/go.mod h1:TaXosZuwdSHYgviHp1DAtfrULt5eUgsSMsZf+YrPgl8=
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github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
github.com/urfave/cli v1.22.2/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
github.com/vishvananda/netlink v1.0.1-0.20190930145447-2ec5bdc52b86/go.mod h1:+SR5DhBJrl6ZM7CoCKvpw5BKroDKQ+PJqOg65H/2ktk=
github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f/go.mod h1:DD4vA1DwXk04H54A1oHXtwZmA0grkVMdPxx/VGLCah0=
github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=
github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
github.com/xtls/go v0.0.0-20201118062508-3632bf3b7499 h1:QHESTXtfgc1ABV+ArlbPVqUx9Ht5I0dDkYhxYoXFxNo=
github.com/xtls/go v0.0.0-20201118062508-3632bf3b7499/go.mod h1:5TB2+k58gx4A4g2Nf5miSHNDF6CuAzHKpWBooLAshTs=
github.com/yaling888/go-lwip v0.0.0-20211103185822-c9d650538091 h1:uOaYhg8ue1gAzV7KNAz1uc/qvjEDRtl16nvTPYiaphM=
github.com/yaling888/go-lwip v0.0.0-20211103185822-c9d650538091/go.mod h1:Y+f95PkWh183q1oDJxdlxTHa2mpdHG5zvBhV0TUhhSY=
github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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github.com/yuin/goldmark v1.4.0/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
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go.etcd.io/bbolt v1.3.6/go.mod h1:qXsaaIqmgQH0T+OPdb99Bf+PKfBBQVAdyD6TY9G8XM4=
go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
go.uber.org/automaxprocs v1.4.0 h1:CpDZl6aOlLhReez+8S3eEotD7Jx0Os++lemPlMULQP0=
go.uber.org/automaxprocs v1.4.0/go.mod h1:/mTEdr7LvHhs0v7mjdxDreTz1OG5zdZGqgOnhWiR/+Q=
go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200220183623-bac4c82f6975/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20210317152858-513c2a44f670/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 h1:7I4JAnoQBe7ZtJcBaYHi5UtiO8tQHbUSXxL+pnGRANg=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
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google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
google.golang.org/grpc v1.37.1/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
google.golang.org/grpc v1.42.0-dev.0.20211020220737-f00baa6c3c84/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
gvisor.dev/gvisor v0.0.0-20211104052249-2de3450f76d6 h1:ZqN8yQG1UONNe/u1LJvvTg80BDevYvaRgmWPBlCT+0g=
gvisor.dev/gvisor v0.0.0-20211104052249-2de3450f76d6/go.mod h1:btyTBPTxT8AFMvW7yctFJ2nPCEDWZLpmKQEZ0gG+bbQ=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
honnef.co/go/tools v0.2.1/go.mod h1:lPVVZ2BS5TfnjLyizF7o7hv7j9/L+8cZY2hLyjP9cGY=
k8s.io/api v0.16.13/go.mod h1:QWu8UWSTiuQZMMeYjwLs6ILu5O74qKSJ0c+4vrchDxs=
k8s.io/apimachinery v0.16.13/go.mod h1:4HMHS3mDHtVttspuuhrJ1GGr/0S9B6iWYWZ57KnnZqQ=
k8s.io/apimachinery v0.16.14-rc.0/go.mod h1:4HMHS3mDHtVttspuuhrJ1GGr/0S9B6iWYWZ57KnnZqQ=
k8s.io/client-go v0.16.13/go.mod h1:UKvVT4cajC2iN7DCjLgT0KVY/cbY6DGdUCyRiIfws5M=
k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
k8s.io/kube-openapi v0.0.0-20200410163147-594e756bea31/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
k8s.io/utils v0.0.0-20190801114015-581e00157fb1/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=

87
hub/executor/executor.go
View file

@ -2,7 +2,11 @@ package executor
import (
"fmt"
"net"
"os"
"runtime"
"strconv"
"strings"
"sync"
"github.com/Dreamacro/clash/adapter"
@ -13,6 +17,7 @@ import (
"github.com/Dreamacro/clash/component/profile"
"github.com/Dreamacro/clash/component/profile/cachefile"
"github.com/Dreamacro/clash/component/resolver"
S "github.com/Dreamacro/clash/component/script"
"github.com/Dreamacro/clash/component/trie"
"github.com/Dreamacro/clash/config"
C "github.com/Dreamacro/clash/constant"
@ -20,6 +25,8 @@ import (
"github.com/Dreamacro/clash/dns"
P "github.com/Dreamacro/clash/listener"
authStore "github.com/Dreamacro/clash/listener/auth"
"github.com/Dreamacro/clash/listener/tproxy"
"github.com/Dreamacro/clash/listener/tun/dev"
"github.com/Dreamacro/clash/log"
"github.com/Dreamacro/clash/tunnel"
)
@ -70,10 +77,12 @@ func ApplyConfig(cfg *config.Config, force bool) {
updateUsers(cfg.Users)
updateProxies(cfg.Proxies, cfg.Providers)
updateRules(cfg.Rules)
updateRuleProviders(cfg.RuleProviders)
updateHosts(cfg.Hosts)
updateProfile(cfg)
updateIPTables(cfg.DNS, cfg.General)
updateDNS(cfg.DNS, cfg.General)
updateGeneral(cfg.General, force)
updateDNS(cfg.DNS)
updateExperimental(cfg)
}
@ -91,6 +100,7 @@ func GetGeneral() *config.General {
RedirPort: ports.RedirPort,
TProxyPort: ports.TProxyPort,
MixedPort: ports.MixedPort,
Tun: P.Tun(),
Authentication: authenticator,
AllowLan: P.AllowLan(),
BindAddress: P.BindAddress(),
@ -105,9 +115,10 @@ func GetGeneral() *config.General {
func updateExperimental(c *config.Config) {}
func updateDNS(c *config.DNS) {
func updateDNS(c *config.DNS, general *config.General) {
if !c.Enable {
resolver.DefaultResolver = nil
resolver.MainResolver = nil
resolver.DefaultHostMapper = nil
dns.ReCreateServer("", nil, nil)
return
@ -125,12 +136,14 @@ func updateDNS(c *config.DNS) {
GeoIPCode: c.FallbackFilter.GeoIPCode,
IPCIDR: c.FallbackFilter.IPCIDR,
Domain: c.FallbackFilter.Domain,
GeoSite: c.FallbackFilter.GeoSite,
},
Default: c.DefaultNameserver,
Policy: c.NameServerPolicy,
}
r := dns.NewResolver(cfg)
mr := dns.NewMainResolver(r)
m := dns.NewEnhancer(cfg)
// reuse cache of old host mapper
@ -139,7 +152,13 @@ func updateDNS(c *config.DNS) {
}
resolver.DefaultResolver = r
resolver.MainResolver = mr
resolver.DefaultHostMapper = m
if general.Tun.Enable && !strings.EqualFold(general.Tun.Stack, "gvisor") {
resolver.DefaultLocalServer = dns.NewLocalServer(r, m)
} else {
resolver.DefaultLocalServer = nil
}
if err := dns.ReCreateServer(c.Listen, r, m); err != nil {
log.Errorln("Start DNS server error: %s", err.Error())
@ -163,16 +182,35 @@ func updateRules(rules []C.Rule) {
tunnel.UpdateRules(rules)
}
func updateRuleProviders(providers map[string]C.Rule) {
S.UpdateRuleProviders(providers)
}
func updateGeneral(general *config.General, force bool) {
log.SetLevel(general.LogLevel)
tunnel.SetMode(general.Mode)
resolver.DisableIPv6 = !general.IPv6
if (general.Tun.Enable || general.TProxyPort != 0) && general.Interface == "" {
autoDetectInterfaceName, err := dev.GetAutoDetectInterface()
if err == nil {
if autoDetectInterfaceName != "" && autoDetectInterfaceName != "<nil>" {
general.Interface = autoDetectInterfaceName
} else {
log.Debugln("Auto detect interface name is empty.")
}
} else {
log.Debugln("Can not find auto detect interface. %s", err.Error())
}
}
dialer.DefaultInterface.Store(general.Interface)
log.Infoln("Use interface name: %s", general.Interface)
iface.FlushCache()
if !force {
log.SetLevel(general.LogLevel)
return
}
@ -204,6 +242,14 @@ func updateGeneral(general *config.General, force bool) {
if err := P.ReCreateMixed(general.MixedPort, tcpIn, udpIn); err != nil {
log.Errorln("Start Mixed(http and socks) server error: %s", err.Error())
}
if err := P.ReCreateTun(general.Tun, tcpIn, udpIn); err != nil {
log.Errorln("Start Tun interface error: %s", err.Error())
S.Py_Finalize()
os.Exit(2)
}
log.SetLevel(general.LogLevel)
}
func updateUsers(users []auth.AuthUser) {
@ -248,3 +294,38 @@ func patchSelectGroup(proxies map[string]C.Proxy) {
selector.Set(selected)
}
}
func updateIPTables(dns *config.DNS, general *config.General) {
if runtime.GOOS != "linux" || dns.Listen == "" || general.TProxyPort == 0 || general.Tun.Enable {
return
}
_, dnsPortStr, err := net.SplitHostPort(dns.Listen)
if dnsPortStr == "0" || dnsPortStr == "" || err != nil {
return
}
dnsPort, err := strconv.Atoi(dnsPortStr)
if err != nil {
return
}
tproxy.CleanUpTProxyLinuxIPTables()
err = tproxy.SetTProxyLinuxIPTables(general.Interface, general.TProxyPort, dnsPort)
if err != nil {
log.Errorln("Can not setting iptables for TProxy on linux, %s", err.Error())
os.Exit(2)
}
}
func CleanUp() {
P.CleanUp()
if runtime.GOOS == "linux" {
tproxy.CleanUpTProxyLinuxIPTables()
}
S.Py_Finalize()
}

4
hub/hub.go
View file

@ -48,3 +48,7 @@ func Parse(options ...Option) error {
executor.ApplyConfig(cfg, true)
return nil
}
func CleanUp() {
executor.CleanUp()
}

13
hub/route/configs.go
View file

@ -30,6 +30,7 @@ type configSchema struct {
RedirPort *int `json:"redir-port"`
TProxyPort *int `json:"tproxy-port"`
MixedPort *int `json:"mixed-port"`
Tun *config.Tun `json:"tun"`
AllowLan *bool `json:"allow-lan"`
BindAddress *string `json:"bind-address"`
Mode *tunnel.TunnelMode `json:"mode"`
@ -77,6 +78,18 @@ func patchConfigs(w http.ResponseWriter, r *http.Request) {
P.ReCreateTProxy(pointerOrDefault(general.TProxyPort, ports.TProxyPort), tcpIn, udpIn)
P.ReCreateMixed(pointerOrDefault(general.MixedPort, ports.MixedPort), tcpIn, udpIn)
if general.Tun != nil {
err := P.ReCreateTun(*general.Tun, nil, nil)
if err == nil {
log.Infoln("Recreate tun success.")
} else {
log.Errorln("Recreate tun failed: %s", err.Error())
render.Status(r, http.StatusBadRequest)
render.JSON(w, r, newError(err.Error()))
return
}
}
if general.Mode != nil {
tunnel.SetMode(*general.Mode)
}

46
listener/listener.go
View file

@ -3,16 +3,20 @@ package proxy
import (
"fmt"
"net"
"runtime"
"strconv"
"sync"
"github.com/Dreamacro/clash/adapter/inbound"
"github.com/Dreamacro/clash/config"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/listener/http"
"github.com/Dreamacro/clash/listener/mixed"
"github.com/Dreamacro/clash/listener/redir"
"github.com/Dreamacro/clash/listener/socks"
"github.com/Dreamacro/clash/listener/tproxy"
"github.com/Dreamacro/clash/listener/tun"
"github.com/Dreamacro/clash/listener/tun/ipstack"
"github.com/Dreamacro/clash/log"
)
@ -29,6 +33,7 @@ var (
tproxyUDPListener *tproxy.UDPListener
mixedListener *mixed.Listener
mixedUDPLister *socks.UDPListener
tunAdapter ipstack.TunAdapter
// lock for recreate function
socksMux sync.Mutex
@ -36,6 +41,7 @@ var (
redirMux sync.Mutex
tproxyMux sync.Mutex
mixedMux sync.Mutex
tunMux sync.Mutex
)
type Ports struct {
@ -58,6 +64,18 @@ func SetAllowLan(al bool) {
allowLan = al
}
func Tun() config.Tun {
if tunAdapter == nil {
return config.Tun{}
}
return config.Tun{
Enable: true,
Stack: tunAdapter.Stack(),
DNSListen: tunAdapter.DNSListen(),
AutoRoute: tunAdapter.AutoRoute(),
}
}
func SetBindAddress(host string) {
bindAddress = host
}
@ -275,6 +293,25 @@ func ReCreateMixed(port int, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.P
return nil
}
func ReCreateTun(conf config.Tun, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) error {
tunMux.Lock()
defer tunMux.Unlock()
if tunAdapter != nil {
tunAdapter.Close()
tunAdapter = nil
}
if !conf.Enable {
return nil
}
var err error
tunAdapter, err = tun.New(conf, tcpIn, udpIn)
return err
}
// GetPorts return the ports of proxy servers
func GetPorts() *Ports {
ports := &Ports{}
@ -330,3 +367,12 @@ func genAddr(host string, port int, allowLan bool) string {
return fmt.Sprintf("127.0.0.1:%d", port)
}
// CleanUp clean up something
func CleanUp() {
if runtime.GOOS == "windows" {
if tunAdapter != nil {
tunAdapter.Close()
}
}
}

186
listener/tproxy/tproxy_linux_iptables.go Normal file
View file

@ -0,0 +1,186 @@
package tproxy
import (
"errors"
"fmt"
"os/exec"
U "os/user"
"runtime"
"strings"
"github.com/Dreamacro/clash/log"
)
var (
interfaceName = ""
tproxyPort = 0
dnsPort = 0
)
const (
PROXY_FWMARK = "0x2d0"
PROXY_ROUTE_TABLE = "0x2d0"
USERNAME = "clash"
)
func SetTProxyLinuxIPTables(ifname string, tport int, dport int) error {
var err error
if _, err = execCmd("iptables -V"); err != nil {
return fmt.Errorf("current operations system [%s] are not support iptables or command iptables does not exist", runtime.GOOS)
}
user, err := U.Lookup(USERNAME)
if err != nil {
return fmt.Errorf("the user \" %s\" does not exist, please create it", USERNAME)
}
if ifname == "" {
return errors.New("the 'interface-name' can not be empty")
}
ownerUid := user.Uid
interfaceName = ifname
tproxyPort = tport
dnsPort = dport
// add route
execCmd(fmt.Sprintf("ip -f inet rule add fwmark %s lookup %s", PROXY_FWMARK, PROXY_ROUTE_TABLE))
execCmd(fmt.Sprintf("ip -f inet route add local default dev %s table %s", interfaceName, PROXY_ROUTE_TABLE))
// set FORWARD
execCmd("sysctl -w net.ipv4.ip_forward=1")
execCmd(fmt.Sprintf("iptables -t filter -A FORWARD -o %s -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT", interfaceName))
execCmd(fmt.Sprintf("iptables -t filter -A FORWARD -o %s -j ACCEPT", interfaceName))
execCmd(fmt.Sprintf("iptables -t filter -A FORWARD -i %s ! -o %s -j ACCEPT", interfaceName, interfaceName))
execCmd(fmt.Sprintf("iptables -t filter -A FORWARD -i %s -o %s -j ACCEPT", interfaceName, interfaceName))
// set clash divert
execCmd("iptables -t mangle -N clash_divert")
execCmd("iptables -t mangle -F clash_divert")
execCmd(fmt.Sprintf("iptables -t mangle -A clash_divert -j MARK --set-mark %s", PROXY_FWMARK))
execCmd("iptables -t mangle -A clash_divert -j ACCEPT")
// set pre routing
execCmd("iptables -t mangle -N clash_prerouting")
execCmd("iptables -t mangle -F clash_prerouting")
execCmd("iptables -t mangle -A clash_prerouting -s 172.17.0.0/16 -j RETURN")
execCmd("iptables -t mangle -A clash_prerouting -p udp --dport 53 -j ACCEPT")
execCmd("iptables -t mangle -A clash_prerouting -p tcp --dport 53 -j ACCEPT")
execCmd("iptables -t mangle -A clash_prerouting -m addrtype --dst-type LOCAL -j RETURN")
addLocalnetworkToChain("clash_prerouting")
execCmd("iptables -t mangle -A clash_prerouting -p tcp -m socket -j clash_divert")
execCmd("iptables -t mangle -A clash_prerouting -p udp -m socket -j clash_divert")
execCmd(fmt.Sprintf("iptables -t mangle -A clash_prerouting -p tcp -j TPROXY --on-port %d --tproxy-mark %s/%s", tproxyPort, PROXY_FWMARK, PROXY_FWMARK))
execCmd(fmt.Sprintf("iptables -t mangle -A clash_prerouting -p udp -j TPROXY --on-port %d --tproxy-mark %s/%s", tproxyPort, PROXY_FWMARK, PROXY_FWMARK))
execCmd("iptables -t mangle -A PREROUTING -j clash_prerouting")
execCmd(fmt.Sprintf("iptables -t nat -I PREROUTING ! -s 172.17.0.0/16 ! -d 127.0.0.0/8 -p tcp --dport 53 -j REDIRECT --to %d", dnsPort))
execCmd(fmt.Sprintf("iptables -t nat -I PREROUTING ! -s 172.17.0.0/16 ! -d 127.0.0.0/8 -p udp --dport 53 -j REDIRECT --to %d", dnsPort))
// set post routing
execCmd(fmt.Sprintf("iptables -t nat -A POSTROUTING -o %s -m addrtype ! --src-type LOCAL -j MASQUERADE", interfaceName))
// set output
execCmd("iptables -t mangle -N clash_output")
execCmd("iptables -t mangle -F clash_output")
execCmd(fmt.Sprintf("iptables -t mangle -A clash_output -m owner --uid-owner %s -j RETURN", ownerUid))
execCmd("iptables -t mangle -A clash_output -p udp -m multiport --dports 53,123,137 -j ACCEPT")
execCmd("iptables -t mangle -A clash_output -p tcp --dport 53 -j ACCEPT")
execCmd("iptables -t mangle -A clash_output -m addrtype --dst-type LOCAL -j RETURN")
execCmd("iptables -t mangle -A clash_output -m addrtype --dst-type BROADCAST -j RETURN")
addLocalnetworkToChain("clash_output")
execCmd(fmt.Sprintf("iptables -t mangle -A clash_output -p tcp -j MARK --set-mark %s", PROXY_FWMARK))
execCmd(fmt.Sprintf("iptables -t mangle -A clash_output -p udp -j MARK --set-mark %s", PROXY_FWMARK))
execCmd(fmt.Sprintf("iptables -t mangle -I OUTPUT -o %s -j clash_output", interfaceName))
// set dns output
execCmd("iptables -t nat -N clash_dns_output")
execCmd("iptables -t nat -F clash_dns_output")
execCmd(fmt.Sprintf("iptables -t nat -A clash_dns_output -m owner --uid-owner %s -j RETURN", ownerUid))
execCmd("iptables -t nat -A clash_dns_output -s 172.17.0.0/16 -j RETURN")
execCmd(fmt.Sprintf("iptables -t nat -A clash_dns_output -p udp -j REDIRECT --to-ports %d", dnsPort))
execCmd(fmt.Sprintf("iptables -t nat -A clash_dns_output -p tcp -j REDIRECT --to-ports %d", dnsPort))
execCmd("iptables -t nat -I OUTPUT -p tcp --dport 53 -j clash_dns_output")
execCmd("iptables -t nat -I OUTPUT -p udp --dport 53 -j clash_dns_output")
log.Infoln("[TProxy] Setting iptables completed")
return nil
}
func CleanUpTProxyLinuxIPTables() {
if interfaceName == "" || tproxyPort == 0 || dnsPort == 0 {
return
}
log.Warnln("Clean up tproxy linux iptables")
if _, err := execCmd("iptables -t mangle -L clash_divert"); err != nil {
return
}
// clean route
execCmd(fmt.Sprintf("ip -f inet rule del fwmark %s lookup %s", PROXY_FWMARK, PROXY_ROUTE_TABLE))
execCmd(fmt.Sprintf("ip -f inet route del local default dev %s table %s", interfaceName, PROXY_ROUTE_TABLE))
// clean FORWARD
execCmd(fmt.Sprintf("iptables -t filter -D FORWARD -i %s ! -o %s -j ACCEPT", interfaceName, interfaceName))
execCmd(fmt.Sprintf("iptables -t filter -D FORWARD -i %s -o %s -j ACCEPT", interfaceName, interfaceName))
execCmd(fmt.Sprintf("iptables -t filter -D FORWARD -o %s -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT", interfaceName))
execCmd(fmt.Sprintf("iptables -t filter -D FORWARD -o %s -j ACCEPT", interfaceName))
// clean PREROUTING
execCmd(fmt.Sprintf("iptables -t nat -D PREROUTING ! -s 172.17.0.0/16 ! -d 127.0.0.0/8 -p tcp --dport 53 -j REDIRECT --to %d", dnsPort))
execCmd(fmt.Sprintf("iptables -t nat -D PREROUTING ! -s 172.17.0.0/16 ! -d 127.0.0.0/8 -p udp --dport 53 -j REDIRECT --to %d", dnsPort))
execCmd("iptables -t mangle -D PREROUTING -j clash_prerouting")
// clean POSTROUTING
execCmd(fmt.Sprintf("iptables -t nat -D POSTROUTING -o %s -m addrtype ! --src-type LOCAL -j MASQUERADE", interfaceName))
// clean OUTPUT
execCmd(fmt.Sprintf("iptables -t mangle -D OUTPUT -o %s -j clash_output", interfaceName))
execCmd("iptables -t nat -D OUTPUT -p tcp --dport 53 -j clash_dns_output")
execCmd("iptables -t nat -D OUTPUT -p udp --dport 53 -j clash_dns_output")
// clean chain
execCmd("iptables -t mangle -F clash_prerouting")
execCmd("iptables -t mangle -X clash_prerouting")
execCmd("iptables -t mangle -F clash_divert")
execCmd("iptables -t mangle -X clash_divert")
execCmd("iptables -t mangle -F clash_output")
execCmd("iptables -t mangle -X clash_output")
execCmd("iptables -t nat -F clash_dns_output")
execCmd("iptables -t nat -X clash_dns_output")
}
func addLocalnetworkToChain(chain string) {
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 0.0.0.0/8 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 10.0.0.0/8 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 100.64.0.0/10 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 127.0.0.0/8 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 169.254.0.0/16 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 172.16.0.0/12 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 192.0.0.0/24 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 192.0.2.0/24 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 192.88.99.0/24 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 192.168.0.0/16 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 198.51.100.0/24 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 203.0.113.0/24 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 224.0.0.0/4 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 240.0.0.0/4 -j RETURN", chain))
execCmd(fmt.Sprintf("iptables -t mangle -A %s -d 255.255.255.255/32 -j RETURN", chain))
}
func execCmd(cmdstr string) (string, error) {
log.Debugln("[TProxy] %s", cmdstr)
args := strings.Split(cmdstr, " ")
cmd := exec.Command(args[0], args[1:]...)
out, err := cmd.CombinedOutput()
if err != nil {
log.Errorln("[TProxy] error: %s, %s", err.Error(), string(out))
return "", err
}
return string(out), nil
}

66
listener/tun/dev/dev.go Normal file
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@ -0,0 +1,66 @@
package dev
import (
"os/exec"
"runtime"
"github.com/Dreamacro/clash/log"
)
// TunDevice is cross-platform tun interface
type TunDevice interface {
Name() string
URL() string
MTU() (int, error)
IsClose() bool
Close() error
Read(buff []byte) (int, error)
Write(buff []byte) (int, error)
}
func SetLinuxAutoRoute() {
log.Infoln("Tun adapter auto setting global route")
addLinuxSystemRoute("1")
addLinuxSystemRoute("2/7")
addLinuxSystemRoute("4/6")
addLinuxSystemRoute("8/5")
addLinuxSystemRoute("16/4")
addLinuxSystemRoute("32/3")
addLinuxSystemRoute("64/2")
addLinuxSystemRoute("128.0/1")
addLinuxSystemRoute("198.18.0/16")
}
func RemoveLinuxAutoRoute() {
log.Infoln("Tun adapter removing global route")
delLinuxSystemRoute("1")
delLinuxSystemRoute("2/7")
delLinuxSystemRoute("4/6")
delLinuxSystemRoute("8/5")
delLinuxSystemRoute("16/4")
delLinuxSystemRoute("32/3")
delLinuxSystemRoute("64/2")
delLinuxSystemRoute("128.0/1")
delLinuxSystemRoute("198.18.0/16")
}
func addLinuxSystemRoute(net string) {
if runtime.GOOS != "darwin" && runtime.GOOS != "linux" {
return
}
cmd := exec.Command("route", "add", "-net", net, "198.18.0.1")
if err := cmd.Run(); err != nil {
log.Errorln("[auto route] Failed to add system route: %s, cmd: %s", err.Error(), cmd.String())
}
}
func delLinuxSystemRoute(net string) {
if runtime.GOOS != "darwin" && runtime.GOOS != "linux" {
return
}
cmd := exec.Command("route", "delete", "-net", net, "198.18.0.1")
_ = cmd.Run()
//if err := cmd.Run(); err != nil {
// log.Errorln("[auto route]Failed to delete system route: %s, cmd: %s", err.Error(), cmd.String())
//}
}

494
listener/tun/dev/dev_darwin.go Normal file
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//go:build darwin
// +build darwin
package dev
import (
"bytes"
"errors"
"fmt"
"net"
"os"
"os/exec"
"sync"
"syscall"
"unsafe"
"golang.org/x/net/ipv6"
"golang.org/x/sys/unix"
"github.com/Dreamacro/clash/common/pool"
)
const (
utunControlName = "com.apple.net.utun_control"
iocOut = 0x40000000
iocIn = 0x80000000
iocInout = iocIn | iocOut
)
// _CTLIOCGINFO value derived from /usr/include/sys/{kern_control,ioccom}.h
// https://github.com/apple/darwin-xnu/blob/master/bsd/sys/ioccom.h
// #define CTLIOCGINFO _IOWR('N', 3, struct ctl_info) /* get id from name */ = 0xc0644e03
const _CTLIOCGINFO = iocInout | ((100 & 0x1fff) << 16) | uint32(byte('N'))<<8 | 3
// #define SIOCPROTOATTACH_IN6 _IOWR('i', 110, struct in6_aliasreq_64)
const siocprotoattachIn6 = iocInout | ((128 & 0x1fff) << 16) | uint32(byte('i'))<<8 | 110
// #define SIOCLL_START _IOWR('i', 130, struct in6Aliasreq)
const siocllStart = iocInout | ((128 & 0x1fff) << 16) | uint32(byte('i'))<<8 | 130
// Following the wireguard-go solution:
// These unix.SYS_* constants were removed from golang.org/x/sys/unix
// so copy them here for now.
// See https://github.com/golang/go/issues/41868
const (
sysIoctl = 54
sysConnect = 98
sysGetsockopt = 118
)
type tunDarwin struct {
name string
tunAddress string
autoRoute bool
tunFile *os.File
errors chan error
closed bool
stopOnce sync.Once
}
// sockaddr_ctl specifeid in /usr/include/sys/kern_control.h
type sockaddrCtl struct {
scLen uint8
scFamily uint8
ssSysaddr uint16
scID uint32
scUnit uint32
scReserved [5]uint32
}
type ctlInfo struct {
ctlID uint32
ctlName [96]byte
}
// https://github.com/apple/darwin-xnu/blob/a449c6a3b8014d9406c2ddbdc81795da24aa7443/bsd/sys/sockio.h#L107
// https://github.com/apple/darwin-xnu/blob/a449c6a3b8014d9406c2ddbdc81795da24aa7443/bsd/net/if.h#L570-L575
// https://man.openbsd.org/netintro.4#SIOCAIFADDR
type aliasreq struct {
ifraName [unix.IFNAMSIZ]byte
ifraAddr unix.RawSockaddrInet4
ifraDstaddr unix.RawSockaddrInet4
ifraMask unix.RawSockaddrInet4
}
// SIOCAIFADDR_IN6
// https://github.com/apple/darwin-xnu/blob/a449c6a3b8014d9406c2ddbdc81795da24aa7443/bsd/netinet6/in6_var.h#L114-L119
// https://opensource.apple.com/source/network_cmds/network_cmds-543.260.3/
type in6Addrlifetime struct{}
// https://github.com/apple/darwin-xnu/blob/a449c6a3b8014d9406c2ddbdc81795da24aa7443/bsd/netinet6/in6_var.h#L336-L343
// https://github.com/apple/darwin-xnu/blob/a449c6a3b8014d9406c2ddbdc81795da24aa7443/bsd/netinet6/in6.h#L174-L181
type in6Aliasreq struct {
ifraName [unix.IFNAMSIZ]byte
ifraAddr unix.RawSockaddrInet6
ifraDstaddr unix.RawSockaddrInet6
ifraPrefixmask unix.RawSockaddrInet6
ifraFlags int32
ifraLifetime in6Addrlifetime
}
// https://github.com/apple/darwin-xnu/blob/a449c6a3b8014d9406c2ddbdc81795da24aa7443/bsd/net/if.h#L402-L563
//type ifreqAddr struct {
// Name [unix.IFNAMSIZ]byte
// Addr unix.RawSockaddrInet4
// Pad [8]byte
//}
var sockaddrCtlSize uintptr = 32
// OpenTunDevice return a TunDevice according a URL
func OpenTunDevice(tunAddress string, autoRoute bool) (TunDevice, error) {
name := "utun"
mtu := 9000
ifIndex := -1
if name != "utun" {
_, err := fmt.Sscanf(name, "utun%d", &ifIndex)
if err != nil || ifIndex < 0 {
return nil, fmt.Errorf("interface name must be utun[0-9]*")
}
}
fd, err := unix.Socket(unix.AF_SYSTEM, unix.SOCK_DGRAM, 2)
if err != nil {
return nil, err
}
ctlInfo1 := &ctlInfo{}
copy(ctlInfo1.ctlName[:], []byte(utunControlName))
_, _, errno := unix.Syscall(
sysIoctl,
uintptr(fd),
uintptr(_CTLIOCGINFO),
uintptr(unsafe.Pointer(ctlInfo1)),
)
if errno != 0 {
return nil, fmt.Errorf("_CTLIOCGINFO: %v", errno)
}
sc := sockaddrCtl{
scLen: uint8(sockaddrCtlSize),
scFamily: unix.AF_SYSTEM,
ssSysaddr: 2,
scID: ctlInfo1.ctlID,
scUnit: uint32(ifIndex) + 1,
}
scPointer := unsafe.Pointer(&sc)
_, _, errno = unix.RawSyscall(
sysConnect,
uintptr(fd),
uintptr(scPointer),
uintptr(sockaddrCtlSize),
)
if errno != 0 {
return nil, fmt.Errorf("SYS_CONNECT: %v", errno)
}
err = syscall.SetNonblock(fd, true)
if err != nil {
return nil, err
}
tun, err := CreateTUNFromFile(os.NewFile(uintptr(fd), ""), mtu, tunAddress, autoRoute)
if err != nil {
return nil, err
}
if autoRoute {
SetLinuxAutoRoute()
}
return tun, nil
}
func CreateTUNFromFile(file *os.File, mtu int, tunAddress string, autoRoute bool) (TunDevice, error) {
tun := &tunDarwin{
tunFile: file,
tunAddress: tunAddress,
autoRoute: autoRoute,
errors: make(chan error, 5),
}
name, err := tun.getName()
if err != nil {
tun.tunFile.Close()
return nil, err
}
tun.name = name
if err != nil {
tun.tunFile.Close()
return nil, err
}
if mtu > 0 {
err = tun.setMTU(mtu)
if err != nil {
tun.Close()
return nil, err
}
}
// This address doesn't mean anything here. NIC just net an IP address to set route upon.
p2pAddress := net.ParseIP(tunAddress)
err = tun.setTunAddress(p2pAddress)
if err != nil {
tun.Close()
return nil, err
}
err = tun.attachLinkLocal()
if err != nil {
tun.Close()
return nil, err
}
return tun, nil
}
func (t *tunDarwin) Name() string {
return t.name
}
func (t *tunDarwin) URL() string {
return fmt.Sprintf("dev://%s", t.Name())
}
func (t *tunDarwin) MTU() (int, error) {
return t.getInterfaceMtu()
}
func (t *tunDarwin) Read(buff []byte) (int, error) {
select {
case err := <-t.errors:
return 0, err
default:
n, err := t.tunFile.Read(buff)
if n < 4 {
return 0, err
}
copy(buff[:], buff[4:])
return n - 4, err
}
}
func (t *tunDarwin) Write(buff []byte) (int, error) {
// reserve space for header
buf := pool.Get(pool.RelayBufferSize)
defer pool.Put(buf[:cap(buf)])
buf[0] = 0x00
buf[1] = 0x00
buf[2] = 0x00
copy(buf[4:], buff)
if buf[4]>>4 == ipv6.Version {
buf[3] = unix.AF_INET6
} else {
buf[3] = unix.AF_INET
}
// write
return t.tunFile.Write(buf[:4+len(buff)])
}
func (t *tunDarwin) IsClose() bool {
return t.closed
}
func (t *tunDarwin) Close() error {
t.stopOnce.Do(func() {
if t.autoRoute {
RemoveLinuxAutoRoute()
}
t.closed = true
t.tunFile.Close()
})
return nil
}
func (t *tunDarwin) getInterfaceMtu() (int, error) {
// open datagram socket
fd, err := unix.Socket(
unix.AF_INET,
unix.SOCK_DGRAM,
0,
)
if err != nil {
return 0, err
}
defer unix.Close(fd)
// do ioctl call
var ifr [64]byte
copy(ifr[:], t.name)
_, _, errno := unix.Syscall(
sysIoctl,
uintptr(fd),
uintptr(unix.SIOCGIFMTU),
uintptr(unsafe.Pointer(&ifr[0])),
)
if errno != 0 {
return 0, fmt.Errorf("failed to get MTU on %s", t.name)
}
return int(*(*int32)(unsafe.Pointer(&ifr[16]))), nil
}
func (t *tunDarwin) getName() (string, error) {
var ifName struct {
name [16]byte
}
ifNameSize := uintptr(16)
var errno syscall.Errno
t.operateOnFd(func(fd uintptr) {
_, _, errno = unix.Syscall6(
sysGetsockopt,
fd,
2, /* #define SYSPROTO_CONTROL 2 */
2, /* #define UTUN_OPT_IFNAME 2 */
uintptr(unsafe.Pointer(&ifName)),
uintptr(unsafe.Pointer(&ifNameSize)), 0)
})
if errno != 0 {
return "", fmt.Errorf("SYS_GETSOCKOPT: %v", errno)
}
t.name = string(ifName.name[:ifNameSize-1])
return t.name, nil
}
func (t *tunDarwin) setMTU(n int) error {
// open datagram socket
fd, err := unix.Socket(
unix.AF_INET,
unix.SOCK_DGRAM,
0,
)
if err != nil {
return err
}
defer unix.Close(fd)
// do ioctl call
var ifr [32]byte
copy(ifr[:], t.name)
*(*uint32)(unsafe.Pointer(&ifr[unix.IFNAMSIZ])) = uint32(n)
_, _, errno := unix.Syscall(
sysIoctl,
uintptr(fd),
uintptr(unix.SIOCSIFMTU),
uintptr(unsafe.Pointer(&ifr[0])),
)
if errno != 0 {
return fmt.Errorf("failed to set MTU on %s", t.name)
}
return nil
}
func (t *tunDarwin) operateOnFd(fn func(fd uintptr)) {
sysconn, err := t.tunFile.SyscallConn()
// TODO: consume the errors
if err != nil {
t.errors <- fmt.Errorf("unable to find sysconn for tunfile: %s", err.Error())
return
}
err = sysconn.Control(fn)
if err != nil {
t.errors <- fmt.Errorf("unable to control sysconn for tunfile: %s", err.Error())
}
}
func (t *tunDarwin) setTunAddress(addr net.IP) error {
var ifr [unix.IFNAMSIZ]byte
copy(ifr[:], t.name)
// set IPv4 address
fd4, err := unix.Socket(
unix.AF_INET,
unix.SOCK_DGRAM,
0,
)
if err != nil {
return err
}
defer syscall.Close(fd4)
var ip4 [4]byte
copy(ip4[:], addr.To4())
ip4mask := [4]byte{255, 255, 0, 0}
ifra4 := aliasreq{
ifraName: ifr,
ifraAddr: unix.RawSockaddrInet4{
Len: unix.SizeofSockaddrInet4,
Family: unix.AF_INET,
Addr: ip4,
},
ifraDstaddr: unix.RawSockaddrInet4{
Len: unix.SizeofSockaddrInet4,
Family: unix.AF_INET,
Addr: ip4,
},
ifraMask: unix.RawSockaddrInet4{
Len: unix.SizeofSockaddrInet4,
Family: unix.AF_INET,
Addr: ip4mask,
},
}
if _, _, errno := unix.Syscall(
sysIoctl,
uintptr(fd4),
uintptr(unix.SIOCAIFADDR),
uintptr(unsafe.Pointer(&ifra4)),
); errno != 0 {
return fmt.Errorf("failed to set ip address on %s: %v", t.name, errno)
}
return nil
}
func (t *tunDarwin) attachLinkLocal() error {
var ifr [unix.IFNAMSIZ]byte
copy(ifr[:], t.name)
// attach link-local address
fd6, err := unix.Socket(
unix.AF_INET6,
unix.SOCK_DGRAM,
0,
)
if err != nil {
return err
}
defer syscall.Close(fd6)
// Attach link-local address
ifra6 := in6Aliasreq{
ifraName: ifr,
}
if _, _, errno := unix.Syscall(
sysIoctl,
uintptr(fd6),
uintptr(siocprotoattachIn6),
uintptr(unsafe.Pointer(&ifra6)),
); errno != 0 {
return fmt.Errorf("failed to attach link-local address on %s: SIOCPROTOATTACH_IN6 %v", t.name, errno)
}
if _, _, errno := unix.Syscall(
sysIoctl,
uintptr(fd6),
uintptr(siocllStart),
uintptr(unsafe.Pointer(&ifra6)),
); errno != 0 {
return fmt.Errorf("failed to set ipv6 address on %s: SIOCLL_START %v", t.name, errno)
}
return nil
}
// GetAutoDetectInterface get ethernet interface
func GetAutoDetectInterface() (string, error) {
cmd := exec.Command("bash", "-c", "netstat -rnf inet | grep 'default' | awk -F ' ' 'NR==1{print $6}' | xargs echo -n")
var out bytes.Buffer
cmd.Stdout = &out
err := cmd.Run()
if err != nil {
return "", err
}
if out.Len() == 0 {
return "", errors.New("interface not found by default route")
}
return out.String(), nil
}

255
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//go:build linux || android
// +build linux android
package dev
import (
"bytes"
"errors"
"fmt"
"net/url"
"os"
"os/exec"
"strconv"
"sync"
"syscall"
"unsafe"
"golang.org/x/sys/unix"
)
const (
cloneDevicePath = "/dev/net/tun"
ifReqSize = unix.IFNAMSIZ + 64
)
type tunLinux struct {
url string
name string
tunAddress string
autoRoute bool
tunFile *os.File
mtu int
closed bool
stopOnce sync.Once
}
// OpenTunDevice return a TunDevice according a URL
func OpenTunDevice(tunAddress string, autoRoute bool) (TunDevice, error) {
deviceURL, _ := url.Parse("dev://clash0")
mtu, _ := strconv.ParseInt(deviceURL.Query().Get("mtu"), 0, 32)
t := &tunLinux{
url: deviceURL.String(),
mtu: int(mtu),
tunAddress: tunAddress,
autoRoute: autoRoute,
}
switch deviceURL.Scheme {
case "dev":
var err error
var dev TunDevice
dev, err = t.openDeviceByName(deviceURL.Host)
if err != nil {
return nil, err
}
if autoRoute {
SetLinuxAutoRoute()
}
return dev, nil
case "fd":
fd, err := strconv.ParseInt(deviceURL.Host, 10, 32)
if err != nil {
return nil, err
}
var dev TunDevice
dev, err = t.openDeviceByFd(int(fd))
if err != nil {
return nil, err
}
if autoRoute {
SetLinuxAutoRoute()
}
return dev, nil
}
return nil, fmt.Errorf("unsupported device type `%s`", deviceURL.Scheme)
}
func (t *tunLinux) Name() string {
return t.name
}
func (t *tunLinux) URL() string {
return t.url
}
func (t *tunLinux) Write(buff []byte) (int, error) {
return t.tunFile.Write(buff)
}
func (t *tunLinux) Read(buff []byte) (int, error) {
return t.tunFile.Read(buff)
}
func (t *tunLinux) IsClose() bool {
return t.closed
}
func (t *tunLinux) Close() error {
t.stopOnce.Do(func() {
if t.autoRoute {
RemoveLinuxAutoRoute()
}
t.closed = true
t.tunFile.Close()
})
return nil
}
func (t *tunLinux) MTU() (int, error) {
// Sometime, we can't read MTU by SIOCGIFMTU. Then we should return the preset MTU
if t.mtu > 0 {
return t.mtu, nil
}
mtu, err := t.getInterfaceMtu()
return int(mtu), err
}
func (t *tunLinux) openDeviceByName(name string) (TunDevice, error) {
nfd, err := unix.Open(cloneDevicePath, os.O_RDWR, 0)
if err != nil {
return nil, err
}
var ifr [ifReqSize]byte
var flags uint16 = unix.IFF_TUN | unix.IFF_NO_PI
nameBytes := []byte(name)
if len(nameBytes) >= unix.IFNAMSIZ {
return nil, errors.New("interface name too long")
}
copy(ifr[:], nameBytes)
*(*uint16)(unsafe.Pointer(&ifr[unix.IFNAMSIZ])) = flags
_, _, errno := unix.Syscall(
unix.SYS_IOCTL,
uintptr(nfd),
uintptr(unix.TUNSETIFF),
uintptr(unsafe.Pointer(&ifr[0])),
)
if errno != 0 {
return nil, errno
}
err = unix.SetNonblock(nfd, true)
if err != nil {
return nil, err
}
// Note that the above -- open,ioctl,nonblock -- must happen prior to handing it to netpoll as below this line.
t.tunFile = os.NewFile(uintptr(nfd), cloneDevicePath)
t.name, err = t.getName()
if err != nil {
t.tunFile.Close()
return nil, err
}
return t, nil
}
func (t *tunLinux) openDeviceByFd(fd int) (TunDevice, error) {
var ifr struct {
name [16]byte
flags uint16
_ [22]byte
}
fd, err := syscall.Dup(fd)
if err != nil {
return nil, err
}
_, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), syscall.TUNGETIFF, uintptr(unsafe.Pointer(&ifr)))
if errno != 0 {
return nil, errno
}
if ifr.flags&syscall.IFF_TUN == 0 || ifr.flags&syscall.IFF_NO_PI == 0 {
return nil, errors.New("only tun device and no pi mode supported")
}
nullStr := ifr.name[:]
i := bytes.IndexByte(nullStr, 0)
if i != -1 {
nullStr = nullStr[:i]
}
t.name = string(nullStr)
t.tunFile = os.NewFile(uintptr(fd), "/dev/tun")
return t, nil
}
func (t *tunLinux) getInterfaceMtu() (uint32, error) {
fd, err := syscall.Socket(syscall.AF_UNIX, syscall.SOCK_DGRAM, 0)
if err != nil {
return 0, err
}
defer syscall.Close(fd)
var ifreq struct {
name [16]byte
mtu int32
_ [20]byte
}
copy(ifreq.name[:], t.name)
_, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), syscall.SIOCGIFMTU, uintptr(unsafe.Pointer(&ifreq)))
if errno != 0 {
return 0, errno
}
return uint32(ifreq.mtu), nil
}
func (t *tunLinux) getName() (string, error) {
sysconn, err := t.tunFile.SyscallConn()
if err != nil {
return "", err
}
var ifr [ifReqSize]byte
var errno syscall.Errno
err = sysconn.Control(func(fd uintptr) {
_, _, errno = unix.Syscall(
unix.SYS_IOCTL,
fd,
uintptr(unix.TUNGETIFF),
uintptr(unsafe.Pointer(&ifr[0])),
)
})
if err != nil {
return "", errors.New("failed to get name of TUN device: " + err.Error())
}
if errno != 0 {
return "", errors.New("failed to get name of TUN device: " + errno.Error())
}
nullStr := ifr[:]
i := bytes.IndexByte(nullStr, 0)
if i != -1 {
nullStr = nullStr[:i]
}
t.name = string(nullStr)
return t.name, nil
}
// GetAutoDetectInterface get ethernet interface
func GetAutoDetectInterface() (string, error) {
cmd := exec.Command("bash", "-c", "ip route show | grep 'default via' | awk -F ' ' 'NR==1{print $5}' | xargs echo -n")
var out bytes.Buffer
cmd.Stdout = &out
err := cmd.Run()
if err != nil {
return "", err
}
return out.String(), nil
}

18
listener/tun/dev/dev_unsupport.go Normal file
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//go:build !linux && !android && !darwin && !windows
// +build !linux,!android,!darwin,!windows
package dev
import (
"errors"
"runtime"
)
func OpenTunDevice(tunAddress string, autoRute bool) (TunDevice, error) {
return nil, errors.New("Unsupported platform " + runtime.GOOS + "/" + runtime.GOARCH)
}
// GetAutoDetectInterface get ethernet interface
func GetAutoDetectInterface() (string, error) {
return "", nil
}

162
listener/tun/dev/dev_windows.go Normal file
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//go:build windows
// +build windows
// Modified from: https://git.zx2c4.com/wireguard-go/tree/tun/tun_windows.go and https://git.zx2c4.com/wireguard-windows/tree/tunnel/addressconfig.go
// SPDX-License-Identifier: MIT
package dev
import (
"errors"
"fmt"
"os"
"sync/atomic"
"time"
_ "unsafe"
"github.com/Dreamacro/clash/listener/tun/dev/wintun"
"golang.org/x/sys/windows"
)
const (
rateMeasurementGranularity = uint64((time.Second / 2) / time.Nanosecond)
spinloopRateThreshold = 800000000 / 8 // 800mbps
spinloopDuration = uint64(time.Millisecond / 80 / time.Nanosecond) // ~1gbit/s
)
type rateJuggler struct {
current uint64
nextByteCount uint64
nextStartTime int64
changing int32
}
var WintunTunnelType = "Clash"
var WintunStaticRequestedGUID *windows.GUID
//go:linkname procyield runtime.procyield
func procyield(cycles uint32)
//go:linkname nanotime runtime.nanotime
func nanotime() int64
func (tun *tunWindows) Close() error {
var err error
tun.closeOnce.Do(func() {
atomic.StoreInt32(&tun.close, 1)
windows.SetEvent(tun.readWait)
//tun.running.Wait()
tun.session.End()
if tun.wt != nil {
err = tun.wt.Close()
}
})
return err
}
func (tun *tunWindows) MTU() (int, error) {
return tun.forcedMTU, nil
}
// TODO: This is a temporary hack. We really need to be monitoring the interface in real time and adapting to MTU changes.
func (tun *tunWindows) ForceMTU(mtu int) {
tun.forcedMTU = mtu
}
// Note: Read() and Write() assume the caller comes only from a single thread; there's no locking.
func (tun *tunWindows) Read0(buff []byte, offset int) (int, error) {
tun.running.Add(1)
defer tun.running.Done()
retry:
if atomic.LoadInt32(&tun.close) == 1 {
return 0, os.ErrClosed
}
start := nanotime()
shouldSpin := atomic.LoadUint64(&tun.rate.current) >= spinloopRateThreshold && uint64(start-atomic.LoadInt64(&tun.rate.nextStartTime)) <= rateMeasurementGranularity*2
for {
if atomic.LoadInt32(&tun.close) == 1 {
return 0, os.ErrClosed
}
packet, err := tun.session.ReceivePacket()
switch err {
case nil:
packetSize := len(packet)
copy(buff[offset:], packet)
tun.session.ReleaseReceivePacket(packet)
tun.rate.update(uint64(packetSize))
return packetSize, nil
case windows.ERROR_NO_MORE_ITEMS:
if !shouldSpin || uint64(nanotime()-start) >= spinloopDuration {
windows.WaitForSingleObject(tun.readWait, windows.INFINITE)
goto retry
}
procyield(1)
continue
case windows.ERROR_HANDLE_EOF:
return 0, os.ErrClosed
case windows.ERROR_INVALID_DATA:
return 0, errors.New("Send ring corrupt")
}
return 0, fmt.Errorf("Read failed: %w", err)
}
}
func (tun *tunWindows) Flush() error {
return nil
}
func (tun *tunWindows) Write0(buff []byte, offset int) (int, error) {
tun.running.Add(1)
defer tun.running.Done()
if atomic.LoadInt32(&tun.close) == 1 {
return 0, os.ErrClosed
}
packetSize := len(buff) - offset
tun.rate.update(uint64(packetSize))
packet, err := tun.session.AllocateSendPacket(packetSize)
if err == nil {
copy(packet, buff[offset:])
tun.session.SendPacket(packet)
return packetSize, nil
}
switch err {
case windows.ERROR_HANDLE_EOF:
return 0, os.ErrClosed
case windows.ERROR_BUFFER_OVERFLOW:
return 0, nil // Dropping when ring is full.
}
return 0, fmt.Errorf("Write failed: %w", err)
}
// LUID returns Windows interface instance ID.
func (tun *tunWindows) LUID() uint64 {
tun.running.Add(1)
defer tun.running.Done()
if atomic.LoadInt32(&tun.close) == 1 {
return 0
}
return tun.wt.LUID()
}
// RunningVersion returns the running version of the Wintun driver.
func (tun *tunWindows) RunningVersion() (version uint32, err error) {
return wintun.RunningVersion()
}
func (rate *rateJuggler) update(packetLen uint64) {
now := nanotime()
total := atomic.AddUint64(&rate.nextByteCount, packetLen)
period := uint64(now - atomic.LoadInt64(&rate.nextStartTime))
if period >= rateMeasurementGranularity {
if !atomic.CompareAndSwapInt32(&rate.changing, 0, 1) {
return
}
atomic.StoreInt64(&rate.nextStartTime, now)
atomic.StoreUint64(&rate.current, total*uint64(time.Second/time.Nanosecond)/period)
atomic.StoreUint64(&rate.nextByteCount, 0)
atomic.StoreInt32(&rate.changing, 0)
}
}

398
listener/tun/dev/dev_windows_extra.go Normal file
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//go:build windows
// +build windows
package dev
import (
"bytes"
"errors"
"fmt"
"net"
"sort"
"sync"
"sync/atomic"
"time"
"github.com/Dreamacro/clash/listener/tun/dev/wintun"
"github.com/Dreamacro/clash/log"
"golang.org/x/sys/windows"
"golang.zx2c4.com/wireguard/windows/tunnel/winipcfg"
)
const messageTransportHeaderSize = 0 // size of data preceding content in transport message
type tunWindows struct {
wt *wintun.Adapter
handle windows.Handle
close int32
running sync.WaitGroup
forcedMTU int
rate rateJuggler
session wintun.Session
readWait windows.Handle
closeOnce sync.Once
url string
name string
tunAddress string
autoRoute bool
}
// OpenTunDevice return a TunDevice according a URL
func OpenTunDevice(tunAddress string, autoRoute bool) (TunDevice, error) {
requestedGUID, err := windows.GUIDFromString("{330EAEF8-7578-5DF2-D97B-8DADC0EA85CB}")
if err == nil {
WintunStaticRequestedGUID = &requestedGUID
log.Debugln("Generate GUID: %s", WintunStaticRequestedGUID.String())
} else {
log.Warnln("Error parese GUID from string: %v", err)
}
interfaceName := "Clash"
mtu := 9000
tun, err := CreateTUN(interfaceName, mtu, tunAddress, autoRoute)
if err != nil {
return nil, err
}
return tun, nil
}
//
// CreateTUN creates a Wintun interface with the given name. Should a Wintun
// interface with the same name exist, it is reused.
//
func CreateTUN(ifname string, mtu int, tunAddress string, autoRoute bool) (TunDevice, error) {
return CreateTUNWithRequestedGUID(ifname, WintunStaticRequestedGUID, mtu, tunAddress, autoRoute)
}
//
// CreateTUNWithRequestedGUID creates a Wintun interface with the given name and
// a requested GUID. Should a Wintun interface with the same name exist, it is reused.
//
func CreateTUNWithRequestedGUID(ifname string, requestedGUID *windows.GUID, mtu int, tunAddress string, autoRoute bool) (TunDevice, error) {
wt, err := wintun.CreateAdapter(ifname, WintunTunnelType, requestedGUID)
if err != nil {
return nil, fmt.Errorf("Error creating interface: %w", err)
}
forcedMTU := 1420
if mtu > 0 {
forcedMTU = mtu
}
tun := &tunWindows{
name: ifname,
wt: wt,
handle: windows.InvalidHandle,
forcedMTU: forcedMTU,
tunAddress: tunAddress,
autoRoute: autoRoute,
}
// config tun ip
err = tun.configureInterface()
if err != nil {
tun.wt.Close()
return nil, fmt.Errorf("error configure interface: %w", err)
}
tun.session, err = wt.StartSession(0x800000) // Ring capacity, 8 MiB
if err != nil {
tun.wt.Close()
return nil, fmt.Errorf("error starting session: %w", err)
}
tun.readWait = tun.session.ReadWaitEvent()
return tun, nil
}
func (tun *tunWindows) Name() string {
return tun.name
}
func (tun *tunWindows) IsClose() bool {
return atomic.LoadInt32(&tun.close) == 1
}
func (tun *tunWindows) Read(buff []byte) (int, error) {
return tun.Read0(buff, messageTransportHeaderSize)
}
func (tun *tunWindows) Write(buff []byte) (int, error) {
return tun.Write0(buff, messageTransportHeaderSize)
}
func (tun *tunWindows) URL() string {
return fmt.Sprintf("dev://%s", tun.Name())
}
func (tun *tunWindows) configureInterface() error {
retryOnFailure := wintun.StartedAtBoot()
tryTimes := 0
startOver:
var err error
if tryTimes > 0 {
log.Infoln("Retrying interface configuration after failure because system just booted (T+%v): %v", windows.DurationSinceBoot(), err)
time.Sleep(time.Second)
retryOnFailure = retryOnFailure && tryTimes < 15
}
tryTimes++
luid := winipcfg.LUID(tun.LUID())
log.Infoln("[wintun]: tun adapter LUID: %d", luid)
mtu, err := tun.MTU()
if err != nil {
return errors.New("unable to get device mtu")
}
family := winipcfg.AddressFamily(windows.AF_INET)
familyV6 := winipcfg.AddressFamily(windows.AF_INET6)
tunAddress := wintun.ParseIPCidr(tun.tunAddress + "/16")
addresses := []net.IPNet{tunAddress.IPNet()}
err = luid.FlushIPAddresses(familyV6)
if err == windows.ERROR_NOT_FOUND && retryOnFailure {
goto startOver
} else if err != nil {
return err
}
err = luid.FlushDNS(family)
if err == windows.ERROR_NOT_FOUND && retryOnFailure {
goto startOver
} else if err != nil {
return err
}
err = luid.FlushDNS(familyV6)
if err == windows.ERROR_NOT_FOUND && retryOnFailure {
goto startOver
} else if err != nil {
return err
}
err = luid.FlushRoutes(familyV6)
if err == windows.ERROR_NOT_FOUND && retryOnFailure {
goto startOver
} else if err != nil {
return err
}
foundDefault4 := false
foundDefault6 := false
if tun.autoRoute {
allowedIPs := []*wintun.IPCidr{
//wintun.ParseIPCidr("0.0.0.0/0"),
wintun.ParseIPCidr("1.0.0.0/8"),
wintun.ParseIPCidr("2.0.0.0/7"),
wintun.ParseIPCidr("4.0.0.0/6"),
wintun.ParseIPCidr("8.0.0.0/5"),
wintun.ParseIPCidr("16.0.0.0/4"),
wintun.ParseIPCidr("32.0.0.0/3"),
wintun.ParseIPCidr("64.0.0.0/2"),
wintun.ParseIPCidr("128.0.0.0/1"),
wintun.ParseIPCidr("224.0.0.0/4"),
wintun.ParseIPCidr("255.255.255.255/32"),
}
estimatedRouteCount := len(allowedIPs)
routes := make([]winipcfg.RouteData, 0, estimatedRouteCount)
var haveV4Address, haveV6Address bool = true, false
for _, allowedip := range allowedIPs {
allowedip.MaskSelf()
if (allowedip.Bits() == 32 && !haveV4Address) || (allowedip.Bits() == 128 && !haveV6Address) {
continue
}
route := winipcfg.RouteData{
Destination: allowedip.IPNet(),
Metric: 0,
}
if allowedip.Bits() == 32 {
if allowedip.Cidr == 0 {
foundDefault4 = true
}
route.NextHop = net.IPv4zero
} else if allowedip.Bits() == 128 {
if allowedip.Cidr == 0 {
foundDefault6 = true
}
route.NextHop = net.IPv6zero
}
routes = append(routes, route)
}
deduplicatedRoutes := make([]*winipcfg.RouteData, 0, len(routes))
sort.Slice(routes, func(i, j int) bool {
if routes[i].Metric != routes[j].Metric {
return routes[i].Metric < routes[j].Metric
}
if c := bytes.Compare(routes[i].NextHop, routes[j].NextHop); c != 0 {
return c < 0
}
if c := bytes.Compare(routes[i].Destination.IP, routes[j].Destination.IP); c != 0 {
return c < 0
}
if c := bytes.Compare(routes[i].Destination.Mask, routes[j].Destination.Mask); c != 0 {
return c < 0
}
return false
})
for i := 0; i < len(routes); i++ {
if i > 0 && routes[i].Metric == routes[i-1].Metric &&
bytes.Equal(routes[i].NextHop, routes[i-1].NextHop) &&
bytes.Equal(routes[i].Destination.IP, routes[i-1].Destination.IP) &&
bytes.Equal(routes[i].Destination.Mask, routes[i-1].Destination.Mask) {
continue
}
deduplicatedRoutes = append(deduplicatedRoutes, &routes[i])
}
err = luid.SetRoutesForFamily(family, deduplicatedRoutes)
if err == windows.ERROR_NOT_FOUND && retryOnFailure {
goto startOver
} else if err != nil {
return fmt.Errorf("unable to set routes: %w", err)
}
}
err = luid.SetIPAddressesForFamily(family, addresses)
if err == windows.ERROR_OBJECT_ALREADY_EXISTS {
cleanupAddressesOnDisconnectedInterfaces(family, addresses)
err = luid.SetIPAddressesForFamily(family, addresses)
}
if err == windows.ERROR_NOT_FOUND && retryOnFailure {
goto startOver
} else if err != nil {
return fmt.Errorf("unable to set ips: %w", err)
}
var ipif *winipcfg.MibIPInterfaceRow
ipif, err = luid.IPInterface(family)
if err != nil {
return err
}
ipif.RouterDiscoveryBehavior = winipcfg.RouterDiscoveryDisabled
ipif.DadTransmits = 0
ipif.ManagedAddressConfigurationSupported = false
ipif.OtherStatefulConfigurationSupported = false
if mtu > 0 {
ipif.NLMTU = uint32(mtu)
}
if (family == windows.AF_INET && foundDefault4) || (family == windows.AF_INET6 && foundDefault6) {
ipif.UseAutomaticMetric = false
ipif.Metric = 0
}
err = ipif.Set()
if err == windows.ERROR_NOT_FOUND && retryOnFailure {
goto startOver
} else if err != nil {
return fmt.Errorf("unable to set metric and MTU: %w", err)
}
var ipif6 *winipcfg.MibIPInterfaceRow
ipif6, err = luid.IPInterface(familyV6)
if err != nil {
return err
}
ipif6.RouterDiscoveryBehavior = winipcfg.RouterDiscoveryDisabled
ipif6.DadTransmits = 0
ipif6.ManagedAddressConfigurationSupported = false
ipif6.OtherStatefulConfigurationSupported = false
err = ipif6.Set()
if err == windows.ERROR_NOT_FOUND && retryOnFailure {
goto startOver
} else if err != nil {
return fmt.Errorf("unable to set v6 metric and MTU: %w", err)
}
err = luid.SetDNS(family, []net.IP{net.ParseIP("198.18.0.2")}, nil)
if err == windows.ERROR_NOT_FOUND && retryOnFailure {
goto startOver
} else if err != nil {
return fmt.Errorf("unable to set DNS %s %s: %w", "198.18.0.2", "nil", err)
}
return nil
}
func cleanupAddressesOnDisconnectedInterfaces(family winipcfg.AddressFamily, addresses []net.IPNet) {
if len(addresses) == 0 {
return
}
addrToStr := func(ip *net.IP) string {
if ip4 := ip.To4(); ip4 != nil {
return string(ip4)
}
return string(*ip)
}
addrHash := make(map[string]bool, len(addresses))
for i := range addresses {
addrHash[addrToStr(&addresses[i].IP)] = true
}
interfaces, err := winipcfg.GetAdaptersAddresses(family, winipcfg.GAAFlagDefault)
if err != nil {
return
}
for _, iface := range interfaces {
if iface.OperStatus == winipcfg.IfOperStatusUp {
continue
}
for address := iface.FirstUnicastAddress; address != nil; address = address.Next {
ip := address.Address.IP()
if addrHash[addrToStr(&ip)] {
ipnet := net.IPNet{IP: ip, Mask: net.CIDRMask(int(address.OnLinkPrefixLength), 8*len(ip))}
log.Infoln("Cleaning up stale address %s from interface ‘%s’", ipnet.String(), iface.FriendlyName())
iface.LUID.DeleteIPAddress(ipnet)
}
}
}
}
// GetAutoDetectInterface get ethernet interface
func GetAutoDetectInterface() (string, error) {
ifname, err := getAutoDetectInterfaceByFamily(winipcfg.AddressFamily(windows.AF_INET))
if err == nil {
return ifname, err
}
return getAutoDetectInterfaceByFamily(winipcfg.AddressFamily(windows.AF_INET6))
}
func getAutoDetectInterfaceByFamily(family winipcfg.AddressFamily) (string, error) {
interfaces, err := winipcfg.GetAdaptersAddresses(family, winipcfg.GAAFlagIncludeGateways)
if err != nil {
return "", fmt.Errorf("get ethernet interface failure. %w", err)
}
for _, iface := range interfaces {
if iface.OperStatus != winipcfg.IfOperStatusUp {
continue
}
ifname := iface.FriendlyName()
if ifname == "Clash" {
continue
}
for gatewayAddress := iface.FirstGatewayAddress; gatewayAddress != nil; gatewayAddress = gatewayAddress.Next {
nextHop := gatewayAddress.Address.IP()
var ipnet net.IPNet
if family == windows.AF_INET {
ipnet = net.IPNet{IP: net.IPv4zero, Mask: net.CIDRMask(0, 32)}
} else {
ipnet = net.IPNet{IP: net.IPv6zero, Mask: net.CIDRMask(0, 128)}
}
if _, err = iface.LUID.Route(ipnet, nextHop); err == nil {
return ifname, nil
}
}
}
return "", errors.New("ethernet interface not found")
}

41
listener/tun/dev/wintun/boot.go Normal file
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//go:build windows
// +build windows
/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
*/
package wintun
import (
"errors"
"log"
"sync"
"time"
"golang.org/x/sys/windows"
"golang.org/x/sys/windows/svc"
)
var (
startedAtBoot bool
startedAtBootOnce sync.Once
)
func StartedAtBoot() bool {
startedAtBootOnce.Do(func() {
if isService, err := svc.IsWindowsService(); err == nil && !isService {
return
}
if reason, err := svc.DynamicStartReason(); err == nil {
startedAtBoot = (reason&svc.StartReasonAuto) != 0 || (reason&svc.StartReasonDelayedAuto) != 0
} else if errors.Is(err, windows.ERROR_PROC_NOT_FOUND) {
// TODO: Below this line is Windows 7 compatibility code, which hopefully we can delete at some point.
startedAtBoot = windows.DurationSinceBoot() < time.Minute*10
} else {
log.Printf("Unable to determine service start reason: %v", err)
}
})
return startedAtBoot
}

57
listener/tun/dev/wintun/config.go Normal file
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//go:build windows
// +build windows
package wintun
import (
"fmt"
"net"
"strconv"
"strings"
)
type IPCidr struct {
IP net.IP
Cidr uint8
}
func (r *IPCidr) String() string {
return fmt.Sprintf("%s/%d", r.IP.String(), r.Cidr)
}
func (r *IPCidr) Bits() uint8 {
if r.IP.To4() != nil {
return 32
}
return 128
}
func (r *IPCidr) IPNet() net.IPNet {
return net.IPNet{
IP: r.IP,
Mask: net.CIDRMask(int(r.Cidr), int(r.Bits())),
}
}
func (r *IPCidr) MaskSelf() {
bits := int(r.Bits())
mask := net.CIDRMask(int(r.Cidr), bits)
for i := 0; i < bits/8; i++ {
r.IP[i] &= mask[i]
}
}
func ParseIPCidr(ipcidr string) *IPCidr {
s := strings.Split(ipcidr, "/")
if len(s) != 2 {
return nil
}
cidr, err := strconv.Atoi(s[1])
if err != nil {
return nil
}
return &IPCidr{
IP: net.ParseIP(s[0]),
Cidr: uint8(cidr),
}
}

130
listener/tun/dev/wintun/dll_windows.go Normal file
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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2021 WireGuard LLC. All Rights Reserved.
*/
package wintun
import (
"fmt"
"sync"
"sync/atomic"
"unsafe"
C "github.com/Dreamacro/clash/constant"
"golang.org/x/sys/windows"
)
func newLazyDLL(name string, onLoad func(d *lazyDLL)) *lazyDLL {
return &lazyDLL{Name: name, onLoad: onLoad}
}
func (d *lazyDLL) NewProc(name string) *lazyProc {
return &lazyProc{dll: d, Name: name}
}
type lazyProc struct {
Name string
mu sync.Mutex
dll *lazyDLL
addr uintptr
}
func (p *lazyProc) Find() error {
if atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&p.addr))) != nil {
return nil
}
p.mu.Lock()
defer p.mu.Unlock()
if p.addr != 0 {
return nil
}
err := p.dll.Load()
if err != nil {
return fmt.Errorf("Error loading %v DLL: %w", p.dll.Name, err)
}
addr, err := p.nameToAddr()
if err != nil {
return fmt.Errorf("Error getting %v address: %w", p.Name, err)
}
atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(&p.addr)), unsafe.Pointer(addr))
return nil
}
func (p *lazyProc) Addr() uintptr {
err := p.Find()
if err != nil {
panic(err)
}
return p.addr
}
type lazyDLL struct {
Name string
mu sync.Mutex
module windows.Handle
onLoad func(d *lazyDLL)
}
func (d *lazyDLL) Load() error {
if atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(&d.module))) != nil {
return nil
}
d.mu.Lock()
defer d.mu.Unlock()
if d.module != 0 {
return nil
}
//const (
// LOAD_LIBRARY_SEARCH_APPLICATION_DIR = 0x00000200
// LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800
//)
//module, err := windows.LoadLibraryEx(d.Name, 0, LOAD_LIBRARY_SEARCH_APPLICATION_DIR|LOAD_LIBRARY_SEARCH_SYSTEM32)
module, err := windows.LoadLibraryEx(C.Path.GetAssetLocation(d.Name), 0, windows.LOAD_WITH_ALTERED_SEARCH_PATH)
if err != nil {
return fmt.Errorf("Unable to load library: %w", err)
}
atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(&d.module)), unsafe.Pointer(module))
if d.onLoad != nil {
d.onLoad(d)
}
return nil
}
func (p *lazyProc) nameToAddr() (uintptr, error) {
return windows.GetProcAddress(p.dll.module, p.Name)
}
// Version returns the version of the Wintun DLL.
func Version() string {
if modwintun.Load() != nil {
return "unknown"
}
resInfo, err := windows.FindResource(modwintun.module, windows.ResourceID(1), windows.RT_VERSION)
if err != nil {
return "unknown"
}
data, err := windows.LoadResourceData(modwintun.module, resInfo)
if err != nil {
return "unknown"
}
var fixedInfo *windows.VS_FIXEDFILEINFO
fixedInfoLen := uint32(unsafe.Sizeof(*fixedInfo))
err = windows.VerQueryValue(unsafe.Pointer(&data[0]), `\`, unsafe.Pointer(&fixedInfo), &fixedInfoLen)
if err != nil {
return "unknown"
}
version := fmt.Sprintf("%d.%d", (fixedInfo.FileVersionMS>>16)&0xff, (fixedInfo.FileVersionMS>>0)&0xff)
if nextNibble := (fixedInfo.FileVersionLS >> 16) & 0xff; nextNibble != 0 {
version += fmt.Sprintf(".%d", nextNibble)
}
if nextNibble := (fixedInfo.FileVersionLS >> 0) & 0xff; nextNibble != 0 {
version += fmt.Sprintf(".%d", nextNibble)
}
return version
}

11
listener/tun/dev/wintun/package_info.go Normal file
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//go:build windows
// +build windows
// Modified from: https://git.zx2c4.com/wireguard-go/tree/tun/wintun
/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
*/
package wintun

90
listener/tun/dev/wintun/session_windows.go Normal file
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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2021 WireGuard LLC. All Rights Reserved.
*/
package wintun
import (
"syscall"
"unsafe"
"golang.org/x/sys/windows"
)
type Session struct {
handle uintptr
}
const (
PacketSizeMax = 0xffff // Maximum packet size
RingCapacityMin = 0x20000 // Minimum ring capacity (128 kiB)
RingCapacityMax = 0x4000000 // Maximum ring capacity (64 MiB)
)
// Packet with data
type Packet struct {
Next *Packet // Pointer to next packet in queue
Size uint32 // Size of packet (max WINTUN_MAX_IP_PACKET_SIZE)
Data *[PacketSizeMax]byte // Pointer to layer 3 IPv4 or IPv6 packet
}
var (
procWintunAllocateSendPacket = modwintun.NewProc("WintunAllocateSendPacket")
procWintunEndSession = modwintun.NewProc("WintunEndSession")
procWintunGetReadWaitEvent = modwintun.NewProc("WintunGetReadWaitEvent")
procWintunReceivePacket = modwintun.NewProc("WintunReceivePacket")
procWintunReleaseReceivePacket = modwintun.NewProc("WintunReleaseReceivePacket")
procWintunSendPacket = modwintun.NewProc("WintunSendPacket")
procWintunStartSession = modwintun.NewProc("WintunStartSession")
)
func (wintun *Adapter) StartSession(capacity uint32) (session Session, err error) {
r0, _, e1 := syscall.Syscall(procWintunStartSession.Addr(), 2, uintptr(wintun.handle), uintptr(capacity), 0)
if r0 == 0 {
err = e1
} else {
session = Session{r0}
}
return
}
func (session Session) End() {
syscall.Syscall(procWintunEndSession.Addr(), 1, session.handle, 0, 0)
session.handle = 0
}
func (session Session) ReadWaitEvent() (handle windows.Handle) {
r0, _, _ := syscall.Syscall(procWintunGetReadWaitEvent.Addr(), 1, session.handle, 0, 0)
handle = windows.Handle(r0)
return
}
func (session Session) ReceivePacket() (packet []byte, err error) {
var packetSize uint32
r0, _, e1 := syscall.Syscall(procWintunReceivePacket.Addr(), 2, session.handle, uintptr(unsafe.Pointer(&packetSize)), 0)
if r0 == 0 {
err = e1
return
}
packet = unsafe.Slice((*byte)(unsafe.Pointer(r0)), packetSize)
return
}
func (session Session) ReleaseReceivePacket(packet []byte) {
syscall.Syscall(procWintunReleaseReceivePacket.Addr(), 2, session.handle, uintptr(unsafe.Pointer(&packet[0])), 0)
}
func (session Session) AllocateSendPacket(packetSize int) (packet []byte, err error) {
r0, _, e1 := syscall.Syscall(procWintunAllocateSendPacket.Addr(), 2, session.handle, uintptr(packetSize), 0)
if r0 == 0 {
err = e1
return
}
packet = unsafe.Slice((*byte)(unsafe.Pointer(r0)), packetSize)
return
}
func (session Session) SendPacket(packet []byte) {
syscall.Syscall(procWintunSendPacket.Addr(), 2, session.handle, uintptr(unsafe.Pointer(&packet[0])), 0)
}

153
listener/tun/dev/wintun/wintun_windows.go Normal file
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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2021 WireGuard LLC. All Rights Reserved.
*/
package wintun
import (
"runtime"
"syscall"
"unsafe"
"github.com/Dreamacro/clash/log"
"golang.org/x/sys/windows"
)
type loggerLevel int
const (
logInfo loggerLevel = iota
logWarn
logErr
)
const AdapterNameMax = 128
type Adapter struct {
handle uintptr
}
var (
modwintun = newLazyDLL("wintun.dll", setupLogger)
procWintunCreateAdapter = modwintun.NewProc("WintunCreateAdapter")
procWintunOpenAdapter = modwintun.NewProc("WintunOpenAdapter")
procWintunCloseAdapter = modwintun.NewProc("WintunCloseAdapter")
procWintunDeleteDriver = modwintun.NewProc("WintunDeleteDriver")
procWintunGetAdapterLUID = modwintun.NewProc("WintunGetAdapterLUID")
procWintunGetRunningDriverVersion = modwintun.NewProc("WintunGetRunningDriverVersion")
)
func logMessage(level loggerLevel, _ uint64, msg *uint16) int {
var lv log.LogLevel
switch level {
case logInfo:
lv = log.INFO
case logWarn:
lv = log.WARNING
case logErr:
lv = log.ERROR
default:
lv = log.INFO
}
log.PrintLog(lv, "[Wintun] %s", windows.UTF16PtrToString(msg))
return 0
}
func setupLogger(dll *lazyDLL) {
var callback uintptr
if runtime.GOARCH == "386" {
callback = windows.NewCallback(func(level loggerLevel, timestampLow, timestampHigh uint32, msg *uint16) int {
return logMessage(level, uint64(timestampHigh)<<32|uint64(timestampLow), msg)
})
} else if runtime.GOARCH == "arm" {
callback = windows.NewCallback(func(level loggerLevel, _, timestampLow, timestampHigh uint32, msg *uint16) int {
return logMessage(level, uint64(timestampHigh)<<32|uint64(timestampLow), msg)
})
} else if runtime.GOARCH == "amd64" || runtime.GOARCH == "arm64" {
callback = windows.NewCallback(logMessage)
}
syscall.Syscall(dll.NewProc("WintunSetLogger").Addr(), 1, callback, 0, 0)
}
func closeAdapter(wintun *Adapter) {
syscall.Syscall(procWintunCloseAdapter.Addr(), 1, wintun.handle, 0, 0)
}
// CreateAdapter creates a Wintun adapter. name is the cosmetic name of the adapter.
// tunnelType represents the type of adapter and should be "Wintun". requestedGUID is
// the GUID of the created network adapter, which then influences NLA generation
// deterministically. If it is set to nil, the GUID is chosen by the system at random,
// and hence a new NLA entry is created for each new adapter.
func CreateAdapter(name string, tunnelType string, requestedGUID *windows.GUID) (wintun *Adapter, err error) {
var name16 *uint16
name16, err = windows.UTF16PtrFromString(name)
if err != nil {
return
}
var tunnelType16 *uint16
tunnelType16, err = windows.UTF16PtrFromString(tunnelType)
if err != nil {
return
}
r0, _, e1 := syscall.Syscall(procWintunCreateAdapter.Addr(), 3, uintptr(unsafe.Pointer(name16)), uintptr(unsafe.Pointer(tunnelType16)), uintptr(unsafe.Pointer(requestedGUID)))
if r0 == 0 {
err = e1
return
}
wintun = &Adapter{handle: r0}
runtime.SetFinalizer(wintun, closeAdapter)
return
}
// OpenAdapter opens an existing Wintun adapter by name.
func OpenAdapter(name string) (wintun *Adapter, err error) {
var name16 *uint16
name16, err = windows.UTF16PtrFromString(name)
if err != nil {
return
}
r0, _, e1 := syscall.Syscall(procWintunOpenAdapter.Addr(), 1, uintptr(unsafe.Pointer(name16)), 0, 0)
if r0 == 0 {
err = e1
return
}
wintun = &Adapter{handle: r0}
runtime.SetFinalizer(wintun, closeAdapter)
return
}
// Close closes a Wintun adapter.
func (wintun *Adapter) Close() (err error) {
runtime.SetFinalizer(wintun, nil)
r1, _, e1 := syscall.Syscall(procWintunCloseAdapter.Addr(), 1, wintun.handle, 0, 0)
if r1 == 0 {
err = e1
}
return
}
// Uninstall removes the driver from the system if no drivers are currently in use.
func Uninstall() (err error) {
r1, _, e1 := syscall.Syscall(procWintunDeleteDriver.Addr(), 0, 0, 0, 0)
if r1 == 0 {
err = e1
}
return
}
// RunningVersion returns the version of the loaded driver.
func RunningVersion() (version uint32, err error) {
r0, _, e1 := syscall.Syscall(procWintunGetRunningDriverVersion.Addr(), 0, 0, 0, 0)
version = uint32(r0)
if version == 0 {
err = e1
}
return
}
// LUID returns the LUID of the adapter.
func (wintun *Adapter) LUID() (luid uint64) {
syscall.Syscall(procWintunGetAdapterLUID.Addr(), 2, uintptr(wintun.handle), uintptr(unsafe.Pointer(&luid)), 0)
return
}

30
listener/tun/ipstack/commons/dns.go Normal file
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package commons
import (
"github.com/Dreamacro/clash/component/resolver"
D "github.com/miekg/dns"
)
func RelayDnsPacket(payload []byte) ([]byte, error) {
msg := &D.Msg{}
if err := msg.Unpack(payload); err != nil {
return nil, err
}
r, err := resolver.ServeMsg(msg)
if err != nil {
return nil, err
}
for _, ans := range r.Answer {
header := ans.Header()
if header.Class == D.ClassINET && (header.Rrtype == D.TypeA || header.Rrtype == D.TypeAAAA) {
header.Ttl = 1
}
}
r.SetRcode(msg, r.Rcode)
r.Compress = true
return r.Pack()
}

263
listener/tun/ipstack/gvisor/tun.go Normal file
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package gvisor
import (
"encoding/binary"
"errors"
"fmt"
"net"
"strings"
"sync"
"github.com/Dreamacro/clash/adapter/inbound"
"github.com/Dreamacro/clash/common/pool"
"github.com/Dreamacro/clash/component/resolver"
"github.com/Dreamacro/clash/config"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/dns"
"github.com/Dreamacro/clash/listener/tun/dev"
"github.com/Dreamacro/clash/listener/tun/ipstack"
"github.com/Dreamacro/clash/log"
"github.com/Dreamacro/clash/transport/socks5"
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/adapters/gonet"
"gvisor.dev/gvisor/pkg/tcpip/buffer"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/link/channel"
"gvisor.dev/gvisor/pkg/tcpip/network/ipv4"
"gvisor.dev/gvisor/pkg/tcpip/network/ipv6"
"gvisor.dev/gvisor/pkg/tcpip/stack"
"gvisor.dev/gvisor/pkg/tcpip/transport/tcp"
"gvisor.dev/gvisor/pkg/tcpip/transport/udp"
"gvisor.dev/gvisor/pkg/waiter"
)
const nicID tcpip.NICID = 1
type gvisorAdapter struct {
device dev.TunDevice
ipstack *stack.Stack
dnsserver *DNSServer
udpIn chan<- *inbound.PacketAdapter
stackName string
autoRoute bool
linkCache *channel.Endpoint
wg sync.WaitGroup // wait for goroutines to stop
writeHandle *channel.NotificationHandle
}
// GvisorAdapter create GvisorAdapter
func NewAdapter(device dev.TunDevice, conf config.Tun, tunAddress string, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) (ipstack.TunAdapter, error) {
ipstack := stack.New(stack.Options{
NetworkProtocols: []stack.NetworkProtocolFactory{ipv4.NewProtocol, ipv6.NewProtocol},
TransportProtocols: []stack.TransportProtocolFactory{tcp.NewProtocol, udp.NewProtocol},
})
adapter := &gvisorAdapter{
device: device,
ipstack: ipstack,
udpIn: udpIn,
stackName: conf.Stack,
autoRoute: conf.AutoRoute,
}
linkEP, err := adapter.AsLinkEndpoint()
if err != nil {
return nil, fmt.Errorf("unable to create virtual endpoint: %v", err)
}
if err := ipstack.CreateNIC(nicID, linkEP); err != nil {
return nil, fmt.Errorf("fail to create NIC in ipstack: %v", err)
}
ipstack.SetPromiscuousMode(nicID, true) // Accept all the traffice from this NIC
ipstack.SetSpoofing(nicID, true) // Otherwise our TCP connection can not find the route backward
// Add route for ipv4 & ipv6
// So FindRoute will return correct route to tun NIC
subnet, _ := tcpip.NewSubnet(tcpip.Address(strings.Repeat("\x00", 4)), tcpip.AddressMask(strings.Repeat("\x00", 4)))
ipstack.AddRoute(tcpip.Route{Destination: subnet, Gateway: "", NIC: nicID})
subnet, _ = tcpip.NewSubnet(tcpip.Address(strings.Repeat("\x00", 16)), tcpip.AddressMask(strings.Repeat("\x00", 16)))
ipstack.AddRoute(tcpip.Route{Destination: subnet, Gateway: "", NIC: nicID})
// TCP handler
// maximum number of half-open tcp connection set to 1024
// receive buffer size set to 20k
tcpFwd := tcp.NewForwarder(ipstack, pool.RelayBufferSize, 1024, func(r *tcp.ForwarderRequest) {
var wq waiter.Queue
ep, err := r.CreateEndpoint(&wq)
if err != nil {
log.Warnln("Can't create TCP Endpoint in ipstack: %v", err)
r.Complete(true)
return
}
r.Complete(false)
conn := gonet.NewTCPConn(&wq, ep)
// if the endpoint is not in connected state, conn.RemoteAddr() will return nil
// this protection may be not enough, but will help us debug the panic
if conn.RemoteAddr() == nil {
log.Warnln("TCP endpoint is not connected, current state: %v", tcp.EndpointState(ep.State()))
conn.Close()
return
}
target := getAddr(ep.Info().(*stack.TransportEndpointInfo).ID)
tcpIn <- inbound.NewSocket(target, conn, C.TUN)
})
ipstack.SetTransportProtocolHandler(tcp.ProtocolNumber, tcpFwd.HandlePacket)
// UDP handler
ipstack.SetTransportProtocolHandler(udp.ProtocolNumber, adapter.udpHandlePacket)
if resolver.DefaultResolver != nil {
err = adapter.ReCreateDNSServer(resolver.DefaultResolver.(*dns.Resolver), resolver.DefaultHostMapper.(*dns.ResolverEnhancer), conf.DNSListen)
if err != nil {
return nil, err
}
}
return adapter, nil
}
func (t *gvisorAdapter) Stack() string {
return t.stackName
}
func (t *gvisorAdapter) AutoRoute() bool {
return t.autoRoute
}
// Close close the TunAdapter
func (t *gvisorAdapter) Close() {
if t.dnsserver != nil {
t.dnsserver.Stop()
}
if t.ipstack != nil {
t.ipstack.Close()
}
if t.device != nil {
_ = t.device.Close()
}
}
func (t *gvisorAdapter) udpHandlePacket(id stack.TransportEndpointID, pkt *stack.PacketBuffer) bool {
// ref: gvisor pkg/tcpip/transport/udp/endpoint.go HandlePacket
hdr := header.UDP(pkt.TransportHeader().View())
if int(hdr.Length()) > pkt.Data().Size()+header.UDPMinimumSize {
// Malformed packet.
t.ipstack.Stats().UDP.MalformedPacketsReceived.Increment()
return true
}
target := getAddr(id)
packet := &fakeConn{
id: id,
pkt: pkt,
s: t.ipstack,
payload: pkt.Data().AsRange().ToOwnedView(),
}
select {
case t.udpIn <- inbound.NewPacket(target, packet, C.TUN):
default:
}
return true
}
// Wait wait goroutines to exit
func (t *gvisorAdapter) Wait() {
t.wg.Wait()
}
func (t *gvisorAdapter) AsLinkEndpoint() (result stack.LinkEndpoint, err error) {
if t.linkCache != nil {
return t.linkCache, nil
}
mtu, err := t.device.MTU()
if err != nil {
return nil, errors.New("unable to get device mtu")
}
linkEP := channel.New(512, uint32(mtu), "")
// start Read loop. read ip packet from tun and write it to ipstack
t.wg.Add(1)
go func() {
for !t.device.IsClose() {
packet := make([]byte, mtu)
n, err := t.device.Read(packet)
if err != nil && !t.device.IsClose() {
log.Errorln("can not read from tun: %v", err)
continue
}
var p tcpip.NetworkProtocolNumber
switch header.IPVersion(packet) {
case header.IPv4Version:
p = header.IPv4ProtocolNumber
case header.IPv6Version:
p = header.IPv6ProtocolNumber
}
if linkEP.IsAttached() {
linkEP.InjectInbound(p, stack.NewPacketBuffer(stack.PacketBufferOptions{
Data: buffer.View(packet[:n]).ToVectorisedView(),
}))
} else {
log.Debugln("received packet from tun when %s is not attached to any dispatcher.", t.device.Name())
}
}
t.wg.Done()
t.Close()
log.Debugln("%v stop read loop", t.device.Name())
}()
// start write notification
t.writeHandle = linkEP.AddNotify(t)
t.linkCache = linkEP
return t.linkCache, nil
}
// WriteNotify implements channel.Notification.WriteNotify.
func (t *gvisorAdapter) WriteNotify() {
packet, ok := t.linkCache.Read()
if ok {
var vv buffer.VectorisedView
// Append upper headers.
vv.AppendView(packet.Pkt.NetworkHeader().View())
vv.AppendView(packet.Pkt.TransportHeader().View())
// Append data payload.
vv.Append(packet.Pkt.Data().ExtractVV())
_, err := t.device.Write(vv.ToView())
if err != nil && !t.device.IsClose() {
log.Errorln("can not write to tun: %v", err)
}
}
}
func getAddr(id stack.TransportEndpointID) socks5.Addr {
ipv4 := id.LocalAddress.To4()
// get the big-endian binary represent of port
port := make([]byte, 2)
binary.BigEndian.PutUint16(port, id.LocalPort)
if ipv4 != "" {
addr := make([]byte, 1+net.IPv4len+2)
addr[0] = socks5.AtypIPv4
copy(addr[1:1+net.IPv4len], []byte(ipv4))
addr[1+net.IPv4len], addr[1+net.IPv4len+1] = port[0], port[1]
return addr
} else {
addr := make([]byte, 1+net.IPv6len+2)
addr[0] = socks5.AtypIPv6
copy(addr[1:1+net.IPv6len], []byte(id.LocalAddress))
addr[1+net.IPv6len], addr[1+net.IPv6len+1] = port[0], port[1]
return addr
}
}

291
listener/tun/ipstack/gvisor/tundns.go Normal file
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package gvisor
import (
"fmt"
"net"
"github.com/Dreamacro/clash/dns"
"github.com/Dreamacro/clash/log"
D "github.com/miekg/dns"
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/adapters/gonet"
"gvisor.dev/gvisor/pkg/tcpip/buffer"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/network/ipv4"
"gvisor.dev/gvisor/pkg/tcpip/network/ipv6"
"gvisor.dev/gvisor/pkg/tcpip/ports"
"gvisor.dev/gvisor/pkg/tcpip/stack"
"gvisor.dev/gvisor/pkg/tcpip/transport/udp"
)
var (
ipv4Zero = tcpip.Address(net.IPv4zero.To4())
ipv6Zero = tcpip.Address(net.IPv6zero.To16())
)
// DNSServer is DNS Server listening on tun devcice
type DNSServer struct {
*dns.Server
resolver *dns.Resolver
stack *stack.Stack
tcpListener net.Listener
udpEndpoint *dnsEndpoint
udpEndpointID *stack.TransportEndpointID
tcpip.NICID
}
// dnsEndpoint is a TransportEndpoint that will register to stack
type dnsEndpoint struct {
stack.TransportEndpoint
stack *stack.Stack
uniqueID uint64
server *dns.Server
}
// Keep track of the source of DNS request
type dnsResponseWriter struct {
s *stack.Stack
pkt *stack.PacketBuffer // The request packet
id stack.TransportEndpointID
}
func (e *dnsEndpoint) UniqueID() uint64 {
return e.uniqueID
}
func (e *dnsEndpoint) HandlePacket(id stack.TransportEndpointID, pkt *stack.PacketBuffer) {
hdr := header.UDP(pkt.TransportHeader().View())
if int(hdr.Length()) > pkt.Data().Size()+header.UDPMinimumSize {
// Malformed packet.
e.stack.Stats().UDP.MalformedPacketsReceived.Increment()
return
}
// server DNS
var msg D.Msg
msg.Unpack(pkt.Data().AsRange().ToOwnedView())
writer := dnsResponseWriter{s: e.stack, pkt: pkt, id: id}
go e.server.ServeDNS(&writer, &msg)
}
func (e *dnsEndpoint) Close() {
}
func (e *dnsEndpoint) Wait() {
}
func (e *dnsEndpoint) HandleError(transErr stack.TransportError, pkt *stack.PacketBuffer) {
log.Warnln("DNS endpoint get a transport error: %v", transErr)
log.Debugln("DNS endpoint transport error packet : %v", pkt)
}
// Abort implements stack.TransportEndpoint.Abort.
func (e *dnsEndpoint) Abort() {
e.Close()
}
func (w *dnsResponseWriter) LocalAddr() net.Addr {
return &net.UDPAddr{IP: net.IP(w.id.LocalAddress), Port: int(w.id.LocalPort)}
}
func (w *dnsResponseWriter) RemoteAddr() net.Addr {
return &net.UDPAddr{IP: net.IP(w.id.RemoteAddress), Port: int(w.id.RemotePort)}
}
func (w *dnsResponseWriter) WriteMsg(msg *D.Msg) error {
b, err := msg.Pack()
if err != nil {
return err
}
_, err = w.Write(b)
return err
}
func (w *dnsResponseWriter) TsigStatus() error {
// Unsupported
return nil
}
func (w *dnsResponseWriter) TsigTimersOnly(bool) {
// Unsupported
}
func (w *dnsResponseWriter) Hijack() {
// Unsupported
}
func (w *dnsResponseWriter) Write(b []byte) (int, error) {
v := buffer.NewView(len(b))
copy(v, b)
data := v.ToVectorisedView()
// w.id.LocalAddress is the source ip of DNS response
r, _ := w.s.FindRoute(w.pkt.NICID, w.id.LocalAddress, w.id.RemoteAddress, w.pkt.NetworkProtocolNumber, false /* multicastLoop */)
return writeUDP(r, data, w.id.LocalPort, w.id.RemotePort)
}
func (w *dnsResponseWriter) Close() error {
return nil
}
// CreateDNSServer create a dns server on given netstack
func CreateDNSServer(s *stack.Stack, resolver *dns.Resolver, mapper *dns.ResolverEnhancer, ip net.IP, port int, nicID tcpip.NICID) (*DNSServer, error) {
var v4 bool
var err error
address := tcpip.FullAddress{NIC: nicID, Port: uint16(port)}
var protocol tcpip.NetworkProtocolNumber
if ip.To4() != nil {
v4 = true
address.Addr = tcpip.Address(ip.To4())
protocol = ipv4.ProtocolNumber
} else {
v4 = false
address.Addr = tcpip.Address(ip.To16())
protocol = ipv6.ProtocolNumber
}
protocolAddr := tcpip.ProtocolAddress{
Protocol: protocol,
AddressWithPrefix: address.Addr.WithPrefix(),
}
// netstack will only reassemble IP fragments when its' dest ip address is registered in NIC.endpoints
if err := s.AddProtocolAddress(nicID, protocolAddr, stack.AddressProperties{}); err != nil {
log.Errorln("AddProtocolAddress(%d, %+v, {}): %s", nicID, protocolAddr, err)
}
if address.Addr == ipv4Zero || address.Addr == ipv6Zero {
address.Addr = ""
}
handler := dns.NewHandler(resolver, mapper)
serverIn := &dns.Server{}
serverIn.SetHandler(handler)
// UDP DNS
id := &stack.TransportEndpointID{
LocalAddress: address.Addr,
LocalPort: uint16(port),
RemotePort: 0,
RemoteAddress: "",
}
// TransportEndpoint for DNS
endpoint := &dnsEndpoint{
stack: s,
uniqueID: s.UniqueID(),
server: serverIn,
}
if tcpiperr := s.RegisterTransportEndpoint(
[]tcpip.NetworkProtocolNumber{
ipv4.ProtocolNumber,
ipv6.ProtocolNumber,
},
udp.ProtocolNumber,
*id,
endpoint,
ports.Flags{LoadBalanced: true}, // it's actually the SO_REUSEPORT. Not sure it take effect.
nicID); tcpiperr != nil {
log.Errorln("Unable to start UDP DNS on tun: %v", tcpiperr.String())
}
// TCP DNS
var tcpListener net.Listener
if v4 {
tcpListener, err = gonet.ListenTCP(s, address, ipv4.ProtocolNumber)
} else {
tcpListener, err = gonet.ListenTCP(s, address, ipv6.ProtocolNumber)
}
if err != nil {
return nil, fmt.Errorf("can not listen on tun: %v", err)
}
server := &DNSServer{
Server: serverIn,
resolver: resolver,
stack: s,
tcpListener: tcpListener,
udpEndpoint: endpoint,
udpEndpointID: id,
NICID: nicID,
}
server.SetHandler(handler)
server.Server.Server = &D.Server{Listener: tcpListener, Handler: server}
go func() {
server.ActivateAndServe()
}()
return server, err
}
// Stop stop the DNS Server on tun
func (s *DNSServer) Stop() {
// shutdown TCP DNS Server
s.Server.Shutdown()
// remove TCP endpoint from stack
if s.Listener != nil {
s.Listener.Close()
}
// remove udp endpoint from stack
s.stack.UnregisterTransportEndpoint(
[]tcpip.NetworkProtocolNumber{
ipv4.ProtocolNumber,
ipv6.ProtocolNumber,
},
udp.ProtocolNumber,
*s.udpEndpointID,
s.udpEndpoint,
ports.Flags{LoadBalanced: true}, // should match the RegisterTransportEndpoint
s.NICID)
}
// DNSListen return the listening address of DNS Server
func (t *gvisorAdapter) DNSListen() string {
if t.dnsserver != nil {
id := t.dnsserver.udpEndpointID
return fmt.Sprintf("%s:%d", id.LocalAddress.String(), id.LocalPort)
}
return ""
}
// Stop stop the DNS Server on tun
func (t *gvisorAdapter) ReCreateDNSServer(resolver *dns.Resolver, mapper *dns.ResolverEnhancer, addr string) error {
if addr == "" && t.dnsserver == nil {
return nil
}
if addr == t.DNSListen() && t.dnsserver != nil && t.dnsserver.resolver == resolver {
return nil
}
if t.dnsserver != nil {
t.dnsserver.Stop()
t.dnsserver = nil
log.Debugln("tun DNS server stoped")
}
var err error
_, port, err := net.SplitHostPort(addr)
if port == "0" || port == "" || err != nil {
return nil
}
if resolver == nil {
return fmt.Errorf("failed to create DNS server on tun: resolver not provided")
}
udpAddr, err := net.ResolveUDPAddr("udp", addr)
if err != nil {
return err
}
server, err := CreateDNSServer(t.ipstack, resolver, mapper, udpAddr.IP, udpAddr.Port, nicID)
if err != nil {
return err
}
t.dnsserver = server
log.Infoln("Tun DNS server listening at: %s, fake ip enabled: %v", addr, mapper.FakeIPEnabled())
return nil
}

108
listener/tun/ipstack/gvisor/utils.go Normal file
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package gvisor
import (
"fmt"
"net"
"github.com/Dreamacro/clash/component/resolver"
"gvisor.dev/gvisor/pkg/tcpip"
"gvisor.dev/gvisor/pkg/tcpip/buffer"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/stack"
"gvisor.dev/gvisor/pkg/tcpip/transport/udp"
)
type fakeConn struct {
id stack.TransportEndpointID // The endpoint of incomming packet, it's remote address is the source address it sent from
pkt *stack.PacketBuffer // The original packet comming from tun
s *stack.Stack
payload []byte
fakeip *bool
}
func (c *fakeConn) Data() []byte {
return c.payload
}
func (c *fakeConn) WriteBack(b []byte, addr net.Addr) (n int, err error) {
v := buffer.View(b)
data := v.ToVectorisedView()
var localAddress tcpip.Address
var localPort uint16
// if addr is not provided, write back use original dst Addr as src Addr
if c.FakeIP() || addr == nil {
localAddress = c.id.LocalAddress
localPort = c.id.LocalPort
} else {
udpaddr, _ := addr.(*net.UDPAddr)
localAddress = tcpip.Address(udpaddr.IP)
localPort = uint16(udpaddr.Port)
}
r, _ := c.s.FindRoute(c.pkt.NICID, localAddress, c.id.RemoteAddress, c.pkt.NetworkProtocolNumber, false /* multicastLoop */)
return writeUDP(r, data, localPort, c.id.RemotePort)
}
func (c *fakeConn) LocalAddr() net.Addr {
return &net.UDPAddr{IP: net.IP(c.id.RemoteAddress), Port: int(c.id.RemotePort)}
}
func (c *fakeConn) Close() error {
return nil
}
func (c *fakeConn) Drop() {
}
func (c *fakeConn) FakeIP() bool {
if c.fakeip != nil {
return *c.fakeip
}
fakeip := resolver.IsFakeIP(net.IP(c.id.LocalAddress.To4()))
c.fakeip = &fakeip
return fakeip
}
func writeUDP(r *stack.Route, data buffer.VectorisedView, localPort, remotePort uint16) (int, error) {
const protocol = udp.ProtocolNumber
// Allocate a buffer for the UDP header.
pkt := stack.NewPacketBuffer(stack.PacketBufferOptions{
ReserveHeaderBytes: header.UDPMinimumSize + int(r.MaxHeaderLength()),
Data: data,
})
// Initialize the header.
udp := header.UDP(pkt.TransportHeader().Push(header.UDPMinimumSize))
length := uint16(pkt.Size())
udp.Encode(&header.UDPFields{
SrcPort: localPort,
DstPort: remotePort,
Length: length,
})
// Set the checksum field unless TX checksum offload is enabled.
// On IPv4, UDP checksum is optional, and a zero value indicates the
// transmitter skipped the checksum generation (RFC768).
// On IPv6, UDP checksum is not optional (RFC2460 Section 8.1).
if r.RequiresTXTransportChecksum() {
xsum := r.PseudoHeaderChecksum(protocol, length)
for _, v := range data.Views() {
xsum = header.Checksum(v, xsum)
}
udp.SetChecksum(^udp.CalculateChecksum(xsum))
}
ttl := r.DefaultTTL()
if err := r.WritePacket(stack.NetworkHeaderParams{Protocol: protocol, TTL: ttl, TOS: 0 /* default */}, pkt); err != nil {
r.Stats().UDP.PacketSendErrors.Increment()
return 0, fmt.Errorf("%v", err)
}
// Track count of packets sent.
r.Stats().UDP.PacketsSent.Increment()
return data.Size(), nil
}

87
listener/tun/ipstack/lwip/dns.go Normal file
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package lwip
import (
"encoding/binary"
"io"
"net"
"time"
"github.com/Dreamacro/clash/component/resolver"
D "github.com/Dreamacro/clash/listener/tun/ipstack/commons"
"github.com/Dreamacro/clash/log"
"github.com/yaling888/go-lwip"
)
const defaultDnsReadTimeout = time.Second * 8
func shouldHijackDns(dnsIP net.IP, targetIp net.IP, targetPort int) bool {
if targetPort != 53 {
return false
}
return dnsIP.Equal(net.IPv4zero) || dnsIP.Equal(targetIp)
}
func hijackUDPDns(conn golwip.UDPConn, pkt []byte, addr *net.UDPAddr) {
go func() {
defer func(conn golwip.UDPConn) {
_ = conn.Close()
}(conn)
answer, err := D.RelayDnsPacket(pkt)
if err != nil {
return
}
_, _ = conn.WriteFrom(answer, addr)
}()
}
func hijackTCPDns(conn net.Conn) {
go func() {
defer func(conn net.Conn) {
_ = conn.Close()
}(conn)
if err := conn.SetDeadline(time.Now().Add(defaultDnsReadTimeout)); err != nil {
return
}
for {
var length uint16
if binary.Read(conn, binary.BigEndian, &length) != nil {
return
}
data := make([]byte, length)
_, err := io.ReadFull(conn, data)
if err != nil {
return
}
rb, err := D.RelayDnsPacket(data)
if err != nil {
continue
}
if binary.Write(conn, binary.BigEndian, uint16(len(rb))) != nil {
return
}
if _, err = conn.Write(rb); err != nil {
return
}
}
}()
}
type dnsHandler struct{}
func newDnsHandler() golwip.DnsHandler {
return &dnsHandler{}
}
func (d dnsHandler) ResolveIP(host string) (net.IP, error) {
log.Debugln("[TUN] lwip resolve ip for host: %s", host)
return resolver.ResolveIP(host)
}

61
listener/tun/ipstack/lwip/tcp.go Normal file
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package lwip
import (
"net"
"strconv"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/context"
"github.com/Dreamacro/clash/log"
"github.com/yaling888/go-lwip"
)
type tcpHandler struct {
dnsIP net.IP
tcpIn chan<- C.ConnContext
}
func newTCPHandler(dnsIP net.IP, tcpIn chan<- C.ConnContext) golwip.TCPConnHandler {
return &tcpHandler{dnsIP, tcpIn}
}
func (h *tcpHandler) Handle(conn net.Conn, target *net.TCPAddr) error {
if shouldHijackDns(h.dnsIP, target.IP, target.Port) {
hijackTCPDns(conn)
log.Debugln("[TUN] hijack dns tcp: %s:%d", target.IP.String(), target.Port)
return nil
}
if conn.RemoteAddr() == nil {
_ = conn.Close()
return nil
}
src, _ := conn.LocalAddr().(*net.TCPAddr)
dst, _ := conn.RemoteAddr().(*net.TCPAddr)
addrType := C.AtypIPv4
if dst.IP.To4() == nil {
addrType = C.AtypIPv6
}
metadata := &C.Metadata{
NetWork: C.TCP,
Type: C.TUN,
SrcIP: src.IP,
DstIP: dst.IP,
SrcPort: strconv.Itoa(src.Port),
DstPort: strconv.Itoa(dst.Port),
AddrType: addrType,
Host: "",
}
go func(conn net.Conn, metadata *C.Metadata) {
//if c, ok := conn.(*net.TCPConn); ok {
// c.SetKeepAlive(true)
//}
h.tcpIn <- context.NewConnContext(conn, metadata)
}(conn, metadata)
return nil
}

121
listener/tun/ipstack/lwip/tun.go Normal file
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package lwip
import (
"io"
"net"
"sync"
"github.com/Dreamacro/clash/adapter/inbound"
"github.com/Dreamacro/clash/common/pool"
"github.com/Dreamacro/clash/config"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/listener/tun/dev"
"github.com/Dreamacro/clash/listener/tun/ipstack"
"github.com/Dreamacro/clash/log"
"github.com/yaling888/go-lwip"
)
type lwipAdapter struct {
device dev.TunDevice
lwipStack golwip.LWIPStack
lock sync.Mutex
mtu int
stackName string
dnsListen string
autoRoute bool
}
func NewAdapter(device dev.TunDevice, conf config.Tun, mtu int, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) (ipstack.TunAdapter, error) {
adapter := &lwipAdapter{
device: device,
mtu: mtu,
stackName: conf.Stack,
dnsListen: conf.DNSListen,
autoRoute: conf.AutoRoute,
}
adapter.lock.Lock()
defer adapter.lock.Unlock()
dnsHost, _, err := net.SplitHostPort(conf.DNSListen)
if err != nil {
return nil, err
}
dnsIP := net.ParseIP(dnsHost)
// Register output function, write packets from lwip stack to tun device
golwip.RegisterOutputFn(func(data []byte) (int, error) {
return device.Write(data)
})
// Set custom buffer pool
golwip.SetPoolAllocator(newLWIPPool())
// Setup TCP/IP stack.
lwipStack, err := golwip.NewLWIPStack(mtu)
if err != nil {
return nil, err
}
adapter.lwipStack = lwipStack
golwip.RegisterDnsHandler(newDnsHandler())
golwip.RegisterTCPConnHandler(newTCPHandler(dnsIP, tcpIn))
golwip.RegisterUDPConnHandler(newUDPHandler(dnsIP, udpIn))
// Copy packets from tun device to lwip stack, it's the loop.
go func(lwipStack golwip.LWIPStack, device dev.TunDevice, mtu int) {
_, err := io.CopyBuffer(lwipStack.(io.Writer), device, make([]byte, mtu))
if err != nil {
log.Debugln("copying data failed: %v", err)
}
}(lwipStack, device, mtu)
return adapter, nil
}
func (l *lwipAdapter) Stack() string {
return l.stackName
}
func (l *lwipAdapter) AutoRoute() bool {
return l.autoRoute
}
func (l *lwipAdapter) DNSListen() string {
return l.dnsListen
}
func (l *lwipAdapter) Close() {
l.lock.Lock()
defer l.lock.Unlock()
l.stopLocked()
}
func (l *lwipAdapter) stopLocked() {
if l.lwipStack != nil {
_ = l.lwipStack.Close()
}
if l.device != nil {
_ = l.device.Close()
}
l.lwipStack = nil
l.device = nil
}
type lwipPool struct{}
func (p lwipPool) Get(size int) []byte {
return pool.Get(size)
}
func (p lwipPool) Put(buf []byte) error {
return pool.Put(buf)
}
func newLWIPPool() golwip.LWIPPool {
return &lwipPool{}
}

74
listener/tun/ipstack/lwip/udp.go Normal file
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package lwip
import (
"io"
"net"
"github.com/Dreamacro/clash/adapter/inbound"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
"github.com/Dreamacro/clash/transport/socks5"
"github.com/yaling888/go-lwip"
)
type udpPacket struct {
source *net.UDPAddr
payload []byte
sender golwip.UDPConn
}
func (u *udpPacket) Data() []byte {
return u.payload
}
func (u *udpPacket) WriteBack(b []byte, addr net.Addr) (n int, err error) {
_, ok := addr.(*net.UDPAddr)
if !ok {
return 0, io.ErrClosedPipe
}
return u.sender.WriteFrom(b, u.source)
}
func (u *udpPacket) Drop() {
}
func (u *udpPacket) LocalAddr() net.Addr {
return u.source
}
type udpHandler struct {
dnsIP net.IP
udpIn chan<- *inbound.PacketAdapter
}
func newUDPHandler(dnsIP net.IP, udpIn chan<- *inbound.PacketAdapter) golwip.UDPConnHandler {
return &udpHandler{dnsIP, udpIn}
}
func (h *udpHandler) Connect(golwip.UDPConn, *net.UDPAddr) error {
return nil
}
func (h *udpHandler) ReceiveTo(conn golwip.UDPConn, data []byte, addr *net.UDPAddr) error {
if shouldHijackDns(h.dnsIP, addr.IP, addr.Port) {
hijackUDPDns(conn, data, addr)
log.Debugln("[TUN] hijack dns udp: %s:%d", addr.IP.String(), addr.Port)
return nil
}
packet := &udpPacket{
source: conn.LocalAddr(),
payload: data,
sender: conn,
}
go func(addr *net.UDPAddr, packet *udpPacket) {
select {
case h.udpIn <- inbound.NewPacket(socks5.ParseAddrToSocksAddr(addr), packet, C.TUN):
default:
}
}(addr, packet)
return nil
}

9
listener/tun/ipstack/stack_adapter.go Normal file
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package ipstack
// TunAdapter hold the state of tun/tap interface
type TunAdapter interface {
Close()
Stack() string
DNSListen() string
AutoRoute() bool
}

75
listener/tun/ipstack/system/dns.go Normal file
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@ -0,0 +1,75 @@
package system
import (
"encoding/binary"
"io"
"net"
"time"
D "github.com/Dreamacro/clash/listener/tun/ipstack/commons"
"github.com/kr328/tun2socket/binding"
"github.com/kr328/tun2socket/redirect"
)
const defaultDnsReadTimeout = time.Second * 30
func shouldHijackDns(dnsAddr binding.Address, targetAddr binding.Address) bool {
if targetAddr.Port != 53 {
return false
}
return dnsAddr.IP.Equal(net.IPv4zero) || dnsAddr.IP.Equal(targetAddr.IP)
}
func hijackUDPDns(pkt []byte, ep *binding.Endpoint, sender redirect.UDPSender) {
go func() {
answer, err := D.RelayDnsPacket(pkt)
if err != nil {
return
}
_ = sender(answer, &binding.Endpoint{
Source: ep.Target,
Target: ep.Source,
})
}()
}
func hijackTCPDns(conn net.Conn) {
go func() {
defer func(conn net.Conn) {
_ = conn.Close()
}(conn)
if err := conn.SetReadDeadline(time.Now().Add(defaultDnsReadTimeout)); err != nil {
return
}
for {
var length uint16
if binary.Read(conn, binary.BigEndian, &length) != nil {
return
}
data := make([]byte, length)
_, err := io.ReadFull(conn, data)
if err != nil {
return
}
rb, err := D.RelayDnsPacket(data)
if err != nil {
continue
}
if binary.Write(conn, binary.BigEndian, uint16(len(rb))) != nil {
return
}
if _, err = conn.Write(rb); err != nil {
return
}
}
}()
}

21
listener/tun/ipstack/system/log.go Normal file
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@ -0,0 +1,21 @@
package system
import "github.com/Dreamacro/clash/log"
type logger struct{}
func (l *logger) D(format string, args ...interface{}) {
log.Debugln("[TUN] "+format, args...)
}
func (l *logger) I(format string, args ...interface{}) {
log.Infoln("[TUN] "+format, args...)
}
func (l *logger) W(format string, args ...interface{}) {
log.Warnln("[TUN] "+format, args...)
}
func (l *logger) E(format string, args ...interface{}) {
log.Errorln("[TUN] "+format, args...)
}

46
listener/tun/ipstack/system/tcp.go Normal file
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@ -0,0 +1,46 @@
package system
import (
"net"
"strconv"
"github.com/kr328/tun2socket/binding"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/context"
)
func handleTCP(conn net.Conn, endpoint *binding.Endpoint, tcpIn chan<- C.ConnContext) {
src := &net.TCPAddr{
IP: endpoint.Source.IP,
Port: int(endpoint.Source.Port),
Zone: "",
}
dst := &net.TCPAddr{
IP: endpoint.Target.IP,
Port: int(endpoint.Target.Port),
Zone: "",
}
addrType := C.AtypIPv4
if dst.IP.To4() == nil {
addrType = C.AtypIPv6
}
metadata := &C.Metadata{
NetWork: C.TCP,
Type: C.TUN,
SrcIP: src.IP,
DstIP: dst.IP,
SrcPort: strconv.Itoa(src.Port),
DstPort: strconv.Itoa(dst.Port),
AddrType: addrType,
Host: "",
}
//if c, ok := conn.(*net.TCPConn); ok {
// c.SetKeepAlive(true)
//}
tcpIn <- context.NewConnContext(conn, metadata)
}

116
listener/tun/ipstack/system/tun.go Normal file
View file

@ -0,0 +1,116 @@
package system
import (
"net"
"strconv"
"sync"
"github.com/Dreamacro/clash/adapter/inbound"
"github.com/Dreamacro/clash/config"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/listener/tun/dev"
"github.com/Dreamacro/clash/listener/tun/ipstack"
"github.com/Dreamacro/clash/log"
"github.com/kr328/tun2socket"
"github.com/kr328/tun2socket/binding"
"github.com/kr328/tun2socket/redirect"
)
type systemAdapter struct {
device dev.TunDevice
tun *tun2socket.Tun2Socket
lock sync.Mutex
stackName string
dnsListen string
autoRoute bool
}
func NewAdapter(device dev.TunDevice, conf config.Tun, mtu int, gateway, mirror string, onStop func(), tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) (ipstack.TunAdapter, error) {
adapter := &systemAdapter{
device: device,
stackName: conf.Stack,
dnsListen: conf.DNSListen,
autoRoute: conf.AutoRoute,
}
adapter.lock.Lock()
defer adapter.lock.Unlock()
dnsHost, dnsPort, err := net.SplitHostPort(conf.DNSListen)
if err != nil {
return nil, err
}
dnsP, err := strconv.Atoi(dnsPort)
if err != nil {
return nil, err
}
dnsAddr := binding.Address{
IP: net.ParseIP(dnsHost),
Port: uint16(dnsP),
}
t := tun2socket.NewTun2Socket(device, mtu, net.ParseIP(gateway), net.ParseIP(mirror))
t.SetAllocator(allocUDP)
t.SetClosedHandler(onStop)
t.SetLogger(&logger{})
t.SetTCPHandler(func(conn net.Conn, endpoint *binding.Endpoint) {
if shouldHijackDns(dnsAddr, endpoint.Target) {
hijackTCPDns(conn)
log.Debugln("[TUN] hijack dns tcp: %s:%d", endpoint.Target.IP.String(), endpoint.Target.Port)
return
}
handleTCP(conn, endpoint, tcpIn)
})
t.SetUDPHandler(func(payload []byte, endpoint *binding.Endpoint, sender redirect.UDPSender) {
if shouldHijackDns(dnsAddr, endpoint.Target) {
hijackUDPDns(payload, endpoint, sender)
log.Debugln("[TUN] hijack dns udp: %s:%d", endpoint.Target.IP.String(), endpoint.Target.Port)
return
}
handleUDP(payload, endpoint, sender, udpIn)
})
t.Start()
adapter.tun = t
return adapter, nil
}
func (t *systemAdapter) Stack() string {
return t.stackName
}
func (t *systemAdapter) AutoRoute() bool {
return t.autoRoute
}
func (t *systemAdapter) DNSListen() string {
return t.dnsListen
}
func (t *systemAdapter) Close() {
t.lock.Lock()
defer t.lock.Unlock()
t.stopLocked()
}
func (t *systemAdapter) stopLocked() {
if t.tun != nil {
t.tun.Close()
}
if t.device != nil {
_ = t.device.Close()
}
t.tun = nil
t.device = nil
}

74
listener/tun/ipstack/system/udp.go Normal file
View file

@ -0,0 +1,74 @@
package system
import (
"io"
"net"
"github.com/Dreamacro/clash/adapter/inbound"
"github.com/Dreamacro/clash/common/pool"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/transport/socks5"
"github.com/kr328/tun2socket/binding"
"github.com/kr328/tun2socket/redirect"
)
type udpPacket struct {
source binding.Address
data []byte
send redirect.UDPSender
}
func (u *udpPacket) Data() []byte {
return u.data
}
func (u *udpPacket) WriteBack(b []byte, addr net.Addr) (n int, err error) {
uAddr, ok := addr.(*net.UDPAddr)
if !ok {
return 0, io.ErrClosedPipe
}
return len(b), u.send(b, &binding.Endpoint{
Source: binding.Address{IP: uAddr.IP, Port: uint16(uAddr.Port)},
Target: u.source,
})
}
func (u *udpPacket) Drop() {
recycleUDP(u.data)
}
func (u *udpPacket) LocalAddr() net.Addr {
return &net.UDPAddr{
IP: u.source.IP,
Port: int(u.source.Port),
Zone: "",
}
}
func handleUDP(payload []byte, endpoint *binding.Endpoint, sender redirect.UDPSender, udpIn chan<- *inbound.PacketAdapter) {
pkt := &udpPacket{
source: endpoint.Source,
data: payload,
send: sender,
}
rAddr := &net.UDPAddr{
IP: endpoint.Target.IP,
Port: int(endpoint.Target.Port),
Zone: "",
}
select {
case udpIn <- inbound.NewPacket(socks5.ParseAddrToSocksAddr(rAddr), pkt, C.TUN):
default:
}
}
func allocUDP(size int) []byte {
return pool.Get(size)
}
func recycleUDP(payload []byte) {
_ = pool.Put(payload)
}

54
listener/tun/tun_adapter.go Normal file
View file

@ -0,0 +1,54 @@
package tun
import (
"errors"
"fmt"
"strings"
"github.com/Dreamacro/clash/adapter/inbound"
"github.com/Dreamacro/clash/config"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/listener/tun/dev"
"github.com/Dreamacro/clash/listener/tun/ipstack"
"github.com/Dreamacro/clash/listener/tun/ipstack/gvisor"
"github.com/Dreamacro/clash/listener/tun/ipstack/lwip"
"github.com/Dreamacro/clash/listener/tun/ipstack/system"
"github.com/Dreamacro/clash/log"
)
// New create TunAdapter
func New(conf config.Tun, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) (ipstack.TunAdapter, error) {
tunAddress := "198.18.0.1"
autoRoute := conf.AutoRoute
stack := conf.Stack
var tunAdapter ipstack.TunAdapter
device, err := dev.OpenTunDevice(tunAddress, autoRoute)
if err != nil {
return nil, fmt.Errorf("can't open tun: %v", err)
}
mtu, err := device.MTU()
if err != nil {
_ = device.Close()
return nil, errors.New("unable to get device mtu")
}
if strings.EqualFold(stack, "lwip") {
tunAdapter, err = lwip.NewAdapter(device, conf, mtu, tcpIn, udpIn)
} else if strings.EqualFold(stack, "system") {
tunAdapter, err = system.NewAdapter(device, conf, mtu, tunAddress, tunAddress, func() {}, tcpIn, udpIn)
} else if strings.EqualFold(stack, "gvisor") {
tunAdapter, err = gvisor.NewAdapter(device, conf, tunAddress, tcpIn, udpIn)
} else {
err = fmt.Errorf("can not support tun ip stack: %s, only support \"lwip\" \"system\" and \"gvisor\"", stack)
}
if err != nil {
_ = device.Close()
return nil, err
}
log.Infoln("Tun adapter listening at: %s(%s), mtu: %d, auto route: %v, ip stack: %s", device.Name(), tunAddress, mtu, autoRoute, stack)
return tunAdapter, nil
}

6
log/log.go
View file

@ -97,3 +97,9 @@ func newLog(logLevel LogLevel, format string, v ...interface{}) *Event {
Payload: fmt.Sprintf(format, v...),
}
}
func PrintLog(logLevel LogLevel, format string, v ...interface{}) {
event := newLog(logLevel, format, v...)
logCh <- event
print(event)
}

12
main.go
View file

@ -46,9 +46,9 @@ func init() {
}
func main() {
maxprocs.Set(maxprocs.Logger(func(string, ...interface{}) {}))
_, _ = maxprocs.Set(maxprocs.Logger(func(string, ...interface{}) {}))
if version {
fmt.Printf("Clash %s %s %s with %s %s\n", C.Version, runtime.GOOS, runtime.GOARCH, runtime.Version(), C.BuildTime)
fmt.Printf("Clash Plus Pro %s %s %s with %s %s\n", C.Version, runtime.GOOS, runtime.GOARCH, runtime.Version(), C.BuildTime)
return
}
@ -101,6 +101,12 @@ func main() {
}
sigCh := make(chan os.Signal, 1)
signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
signal.Notify(sigCh, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM)
<-sigCh
// clean up
log.Warnln("Clash clean up")
hub.CleanUp()
log.Warnln("Clash shutting down")
}

33
rule/base.go
View file

@ -2,6 +2,9 @@ package rules
import (
"errors"
"net"
C "github.com/Dreamacro/clash/constant"
)
var (
@ -18,3 +21,33 @@ func HasNoResolve(params []string) bool {
}
return false
}
func findNetwork(params []string) C.NetWork {
for _, p := range params {
if p == "tcp" {
return C.TCP
} else if p == "udp" {
return C.UDP
}
}
return C.ALLNet
}
func findSourceIPs(params []string) []*net.IPNet {
var ips []*net.IPNet
for _, p := range params {
if p == noResolve || len(p) < 7 {
continue
}
_, ipnet, err := net.ParseCIDR(p)
if err != nil {
continue
}
ips = append(ips, ipnet)
}
if len(ips) > 0 {
return ips
}
return nil
}

8
rule/domain.go
View file

@ -9,6 +9,7 @@ import (
type Domain struct {
domain string
adapter string
ruleExtra *C.RuleExtra
}
func (d *Domain) RuleType() C.RuleType {
@ -34,9 +35,14 @@ func (d *Domain) ShouldResolveIP() bool {
return false
}
func NewDomain(domain string, adapter string) *Domain {
func (d *Domain) RuleExtra() *C.RuleExtra {
return d.ruleExtra
}
func NewDomain(domain string, adapter string, ruleExtra *C.RuleExtra) *Domain {
return &Domain{
domain: strings.ToLower(domain),
adapter: adapter,
ruleExtra: ruleExtra,
}
}

8
rule/domain_keyword.go
View file

@ -9,6 +9,7 @@ import (
type DomainKeyword struct {
keyword string
adapter string
ruleExtra *C.RuleExtra
}
func (dk *DomainKeyword) RuleType() C.RuleType {
@ -35,9 +36,14 @@ func (dk *DomainKeyword) ShouldResolveIP() bool {
return false
}
func NewDomainKeyword(keyword string, adapter string) *DomainKeyword {
func (dk *DomainKeyword) RuleExtra() *C.RuleExtra {
return dk.ruleExtra
}
func NewDomainKeyword(keyword string, adapter string, ruleExtra *C.RuleExtra) *DomainKeyword {
return &DomainKeyword{
keyword: strings.ToLower(keyword),
adapter: adapter,
ruleExtra: ruleExtra,
}
}

8
rule/domain_suffix.go
View file

@ -9,6 +9,7 @@ import (
type DomainSuffix struct {
suffix string
adapter string
ruleExtra *C.RuleExtra
}
func (ds *DomainSuffix) RuleType() C.RuleType {
@ -35,9 +36,14 @@ func (ds *DomainSuffix) ShouldResolveIP() bool {
return false
}
func NewDomainSuffix(suffix string, adapter string) *DomainSuffix {
func (ds *DomainSuffix) RuleExtra() *C.RuleExtra {
return ds.ruleExtra
}
func NewDomainSuffix(suffix string, adapter string, ruleExtra *C.RuleExtra) *DomainSuffix {
return &DomainSuffix{
suffix: strings.ToLower(suffix),
adapter: adapter,
ruleExtra: ruleExtra,
}
}

11
rule/final.go
View file

@ -6,6 +6,7 @@ import (
type Match struct {
adapter string
ruleExtra *C.RuleExtra
}
func (f *Match) RuleType() C.RuleType {
@ -28,8 +29,16 @@ func (f *Match) ShouldResolveIP() bool {
return false
}
func NewMatch(adapter string) *Match {
func (f *Match) RuleExtra() *C.RuleExtra {
return f.ruleExtra
}
func NewMatch(adapter string, ruleExtra *C.RuleExtra) *Match {
if ruleExtra.SourceIPs == nil {
ruleExtra = nil
}
return &Match{
adapter: adapter,
ruleExtra: ruleExtra,
}
}

16
rule/geoip.go
View file

@ -11,6 +11,7 @@ type GEOIP struct {
country string
adapter string
noResolveIP bool
ruleExtra *C.RuleExtra
}
func (g *GEOIP) RuleType() C.RuleType {
@ -23,7 +24,7 @@ func (g *GEOIP) Match(metadata *C.Metadata) bool {
return false
}
if strings.EqualFold(g.country, "LAN") {
if strings.EqualFold(g.country, "LAN") || C.TunBroadcastAddr.Equal(ip) {
return ip.IsPrivate()
}
record, _ := mmdb.Instance().Country(ip)
@ -42,12 +43,21 @@ func (g *GEOIP) ShouldResolveIP() bool {
return !g.noResolveIP
}
func NewGEOIP(country string, adapter string, noResolveIP bool) *GEOIP {
func (g *GEOIP) RuleExtra() *C.RuleExtra {
return g.ruleExtra
}
func (g *GEOIP) GetCountry() string {
return g.country
}
func NewGEOIP(country string, adapter string, noResolveIP bool, ruleExtra *C.RuleExtra) (*GEOIP, error) {
geoip := &GEOIP{
country: country,
adapter: adapter,
noResolveIP: noResolveIP,
ruleExtra: ruleExtra,
}
return geoip
return geoip, nil
}

70
rule/geosite.go Normal file
View file

@ -0,0 +1,70 @@
package rules
import (
"fmt"
"github.com/Dreamacro/clash/component/geodata"
"github.com/Dreamacro/clash/component/geodata/router"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
_ "github.com/Dreamacro/clash/component/geodata/standard"
)
type GEOSITE struct {
country string
adapter string
ruleExtra *C.RuleExtra
matcher *router.DomainMatcher
}
func (gs *GEOSITE) RuleType() C.RuleType {
return C.GEOSITE
}
func (gs *GEOSITE) Match(metadata *C.Metadata) bool {
if metadata.AddrType != C.AtypDomainName {
return false
}
domain := metadata.Host
return gs.matcher.ApplyDomain(domain)
}
func (gs *GEOSITE) Adapter() string {
return gs.adapter
}
func (gs *GEOSITE) Payload() string {
return gs.country
}
func (gs *GEOSITE) ShouldResolveIP() bool {
return false
}
func (gs *GEOSITE) RuleExtra() *C.RuleExtra {
return gs.ruleExtra
}
func (gs *GEOSITE) GetDomainMatcher() *router.DomainMatcher {
return gs.matcher
}
func NewGEOSITE(country string, adapter string, ruleExtra *C.RuleExtra) (*GEOSITE, error) {
matcher, recordsCount, err := geodata.LoadGeoSiteMatcher(country)
if err != nil {
return nil, fmt.Errorf("load GeoSite data error, %s", err.Error())
}
log.Infoln("Start initial GeoSite rule %s => %s, records: %d", country, adapter, recordsCount)
geoSite := &GEOSITE{
country: country,
adapter: adapter,
ruleExtra: ruleExtra,
matcher: matcher,
}
return geoSite, nil
}

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