Repository: dejavuzhou/felix
Branch: main
Commit: 9e5c6c479449
Files: 48
Total size: 69.3 KB
Directory structure:
gitextract_4c84voe0/
├── .gitattributes
├── .github/
│ └── workflows/
│ └── codeql-analysis.yml
├── .gitignore
├── .travis.yml
├── GeoLite2-Country.mmdb
├── LICENSE
├── Makefile
├── README.md
├── README_zh.md
├── SECURITY.md
├── api/
│ ├── api_cfip.go
│ ├── api_meta.go
│ ├── api_proxy.go
│ └── app.go
├── go.mod
├── go.sum
├── main.go
├── model/
│ ├── config.go
│ ├── db.go
│ ├── helper.go
│ ├── migrate.go
│ ├── t_cfip.go
│ ├── t_meta.go
│ └── t_proxy.go
├── socks5ws/
│ ├── app.go
│ ├── const.go
│ ├── relay_svr.go
│ ├── relay_tcp_direct.go
│ ├── relay_tcp_socks5e.go
│ ├── relay_udp_direct.go
│ ├── socks5_bind.go
│ ├── socks5_connect.go
│ ├── socks5_req.go
│ ├── socks5_udp_associate.go
│ └── websocket.go
└── util/
├── browse_open.go
├── cf_ip.go
├── cf_ip_test.go
├── crypt_aes.go
├── crypt_aes_test.go
├── crypt_des.go
├── enable_socks5_darwin.go
├── enable_socks5_linux.go
├── enable_socks5_windows.go
├── geo_ip.go
├── geo_ip_test.go
├── random_string.go
└── vless_data.go
================================================
FILE CONTENTS
================================================
================================================
FILE: .gitattributes
================================================
* linguist-vendored
*.go linguist-vendored=false
================================================
FILE: .github/workflows/codeql-analysis.yml
================================================
# For most projects, this workflow file will not need changing; you simply need
# to commit it to your repository.
#
# You may wish to alter this file to override the set of languages analyzed,
# or to provide custom queries or build logic.
#
# ******** NOTE ********
# We have attempted to detect the languages in your repository. Please check
# the `language` matrix defined below to confirm you have the correct set of
# supported CodeQL languages.
#
name: "CodeQL"
on:
push:
branches: [ master ]
pull_request:
# The branches below must be a subset of the branches above
branches: [ master ]
schedule:
- cron: '29 4 * * 2'
jobs:
analyze:
name: Analyze
runs-on: ubuntu-latest
permissions:
actions: read
contents: read
security-events: write
strategy:
fail-fast: false
matrix:
language: [ 'go' ]
# CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
# Learn more:
# https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
steps:
- name: Checkout repository
uses: actions/checkout@v2
# Initializes the CodeQL tools for scanning.
- name: Initialize CodeQL
uses: github/codeql-action/init@v1
with:
languages: ${{ matrix.language }}
# If you wish to specify custom queries, you can do so here or in a config file.
# By default, queries listed here will override any specified in a config file.
# Prefix the list here with "+" to use these queries and those in the config file.
# queries: ./path/to/local/query, your-org/your-repo/queries@main
# Autobuild attempts to build any compiled languages (C/C++, C#, or Java).
# If this step fails, then you should remove it and run the build manually (see below)
- name: Autobuild
uses: github/codeql-action/autobuild@v1
# ℹ️ Command-line programs to run using the OS shell.
# 📚 https://git.io/JvXDl
# ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
# and modify them (or add more) to build your code if your project
# uses a compiled language
#- run: |
# make bootstrap
# make release
- name: Perform CodeQL Analysis
uses: github/codeql-action/analyze@v1
================================================
FILE: .gitignore
================================================
felix
.idea
builds
builds/*
test*
_build*
*.exe
release
dist
_book
_release
.vscode
_nes
dist/
*sqlite3
================================================
FILE: .travis.yml
================================================
language: go
os:
- linux
- osx
matrix:
fast_finish: true
include:
- go: 1.12.x
env: CGO_ENABLED=0 GO111MODULE=on
\
git:
depth: 1
before_install:
- go build
script:
- ./felix sshw
notifications:
email:
recipients:
- neochau@gmail.com
on_success: never
================================================
FILE: LICENSE
================================================
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
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Licensed under the Apache License, Version 2.0 (the "License");
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Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
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================================================
FILE: Makefile
================================================
LDFLAGS := "-s -w -X main.buildTime=$(shell date -u '+%Y-%m-%dT%I:%M:%S%p') -X main.gitHash=$(shell git rev-parse HEAD)"
GO ?= go
GOFMT ?= gofmt "-s"
PACKAGES ?= $(shell $(GO) list ./... | grep -v /vendor/)
VETPACKAGES ?= $(shell $(GO) list ./... | grep -v /vendor/ | grep -v /examples/)
GOFILES := $(shell find . -name "*.go" -type f -not -path "./vendor/*")
run: install
./build/felix -V
install:
go install -ldflags $(LDFLAGS)
vuejs:
felix ginbin -s dist -p felixbin
build:vuejs
go build -race -ldflags $(LDFLAGS) -o build/felix *.go
release:vuejs
CGO_ENABLED=1 GOOS=windows GOARCH=amd64 CXX_FOR_TARGET=i686-w64-mingw32-g++ CC_FOR_TARGET=i686-w64-mingw32-gcc go build -ldflags $(LDFLAGS) -o _release/felix-amd64-win.exe *.go
CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -ldflags $(LDFLAGS) -o _release/felix-amd64-linux *.go
CGO_ENABLED=1 GOOS=linux GOARCH=arm go build -ldflags $(LDFLAGS) -o _release/felix-amd64-linux-arm *.go
CGO_ENABLED=1 GOOS=darwin GOARCH=amd64 go build -ldflags $(LDFLAGS) -o _release/felix-amd64-darwin *.go
.PHONY: release
================================================
FILE: README.md
================================================
# Felix [中文](README_zh.md)
================================================
FILE: README_zh.md
================================================
# Felix
[](https://travis-ci.org/libragen/felix)
================================================
FILE: SECURITY.md
================================================
# Security Policy
## Supported Versions
Use this section to tell people about which versions of your project are
currently being supported with security updates.
| Version | Supported |
| ------- | ------------------ |
| 5.1.x | :white_check_mark: |
| 5.0.x | :x: |
| 4.0.x | :white_check_mark: |
| < 4.0 | :x: |
## Reporting a Vulnerability
Use this section to tell people how to report a vulnerability.
Tell them where to go, how often they can expect to get an update on a
reported vulnerability, what to expect if the vulnerability is accepted or
declined, etc.
================================================
FILE: api/api_cfip.go
================================================
package api
import (
"encoding/json"
"fmt"
"github.com/mojocn/felix/model"
"github.com/mojocn/felix/util"
"net/http"
)
func apiCfIpInit(w http.ResponseWriter, req *http.Request) {
client, err := util.NewCfIP()
if checkErr(w, err) {
return
}
var rows []model.CfIp
client.AllIps(func(ip, cidr string) {
ins := model.CfIp{
IP: ip,
Cidr: cidr,
}
rows = append(rows, ins)
})
err = model.DB().CreateInBatches(rows, 200).Error
if checkErr(w, err) {
return
}
responseJson(w, http.StatusOK, "ok")
}
func apiCfIpList(w http.ResponseWriter, req *http.Request) {
var rows []model.CfIp
err := model.DB().Limit(100).Find(&rows).Error
if checkErr(w, err) {
return
}
responseJson(w, http.StatusOK, rows)
}
func apiCfIpUpdate(w http.ResponseWriter, req *http.Request) {
ins := new(model.CfIp)
err := json.NewDecoder(req.Body).Decode(ins)
if checkErr(w, err) {
return
}
err = model.DB().Save(ins).Error
if checkErr(w, err) {
return
}
responseJson(w, http.StatusOK, ins)
}
func apiCfIpCreate(w http.ResponseWriter, req *http.Request) {
ins := new(model.CfIp)
err := json.NewDecoder(req.Body).Decode(ins)
if checkErr(w, err) {
return
}
ins.ID = 0
err = model.DB().Save(ins).Error
if checkErr(w, err) {
return
}
responseJson(w, http.StatusOK, ins)
}
func apiCfIpDelete(w http.ResponseWriter, req *http.Request) {
ins := new(model.CfIp)
err := json.NewDecoder(req.Body).Decode(ins)
if checkErr(w, err) {
return
}
if ins.ID == 0 {
err = fmt.Errorf("id can not be 0")
}
if checkErr(w, err) {
return
}
err = model.DB().Delete(ins).Error
if checkErr(w, err) {
return
}
responseJson(w, http.StatusOK, ins)
}
================================================
FILE: api/api_meta.go
================================================
package api
import (
"encoding/json"
"github.com/mojocn/felix/model"
"net/http"
)
func responseJson(w http.ResponseWriter, code int, data any) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(code)
err := json.NewEncoder(w).Encode(data)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
func checkErr(w http.ResponseWriter, err error) (shouldReturn bool) {
if err != nil {
http.Error(w, err.Error(), http.StatusTeapot)
return true
}
return false
}
func apiMeta(w http.ResponseWriter, req *http.Request) {
row := new(model.Meta)
err := model.DB().First(row).Error
if checkErr(w, err) {
return
}
responseJson(w, http.StatusOK, row)
}
================================================
FILE: api/api_proxy.go
================================================
package api
import (
"encoding/json"
"fmt"
"github.com/mojocn/felix/model"
"net/http"
)
func apiProxyList(w http.ResponseWriter, req *http.Request) {
rows := []model.Proxy{}
err := model.DB().Find(&rows).Error
if checkErr(w, err) {
return
}
responseJson(w, http.StatusOK, rows)
}
func apiProxyUpdate(w http.ResponseWriter, req *http.Request) {
ins := new(model.Proxy)
err := json.NewDecoder(req.Body).Decode(ins)
if checkErr(w, err) {
return
}
err = model.DB().Save(ins).Error
if checkErr(w, err) {
return
}
responseJson(w, http.StatusOK, ins)
}
func apiProxyCreate(w http.ResponseWriter, req *http.Request) {
ins := new(model.Proxy)
err := json.NewDecoder(req.Body).Decode(ins)
if checkErr(w, err) {
return
}
ins.ID = 0
err = model.DB().Save(ins).Error
if checkErr(w, err) {
return
}
responseJson(w, http.StatusOK, ins)
}
func apiProxyDelete(w http.ResponseWriter, req *http.Request) {
ins := new(model.Proxy)
err := json.NewDecoder(req.Body).Decode(ins)
if checkErr(w, err) {
return
}
if ins.ID == 0 {
err = fmt.Errorf("id can not be 0")
}
if checkErr(w, err) {
return
}
err = model.DB().Delete(ins).Error
if checkErr(w, err) {
return
}
responseJson(w, http.StatusOK, ins)
}
================================================
FILE: api/app.go
================================================
package api
import (
"log"
"net/http"
)
type apiHandler struct{}
func (apiHandler) ServeHTTP(http.ResponseWriter, *http.Request) {}
func AdminServer(addr string) *http.Server {
log.Println("http api server starting on", addr)
mux := http.NewServeMux()
mux.Handle("/api/foo", apiHandler{})
mux.HandleFunc("GET /api/meta", apiMeta)
mux.HandleFunc("GET /api/proxies", apiProxyList)
mux.HandleFunc("PATCH /api/proxies", apiProxyUpdate)
mux.HandleFunc("POST /api/proxies", apiProxyCreate)
mux.HandleFunc("DELETE /api/proxies", apiProxyDelete)
mux.HandleFunc("GET /api/cfip-init", apiCfIpInit)
mux.HandleFunc("GET /api/cfips", apiCfIpList)
mux.HandleFunc("PATCH /api/cfips", apiCfIpUpdate)
mux.HandleFunc("POST /api/cfips", apiCfIpCreate)
mux.HandleFunc("DELETE /api/cfips", apiCfIpDelete)
server := &http.Server{
Addr: addr,
Handler: mux,
}
return server
}
================================================
FILE: go.mod
================================================
module github.com/mojocn/felix
go 1.22
require (
github.com/google/uuid v1.6.0
github.com/gorilla/websocket v1.5.3
github.com/oschwald/geoip2-golang v1.11.0
golang.org/x/sys v0.27.0
gorm.io/driver/sqlite v1.5.6
gorm.io/gorm v1.25.12
)
require (
github.com/jinzhu/inflection v1.0.0 // indirect
github.com/jinzhu/now v1.1.5 // indirect
github.com/mattn/go-sqlite3 v1.14.22 // indirect
github.com/oschwald/maxminddb-golang v1.13.0 // indirect
golang.org/x/text v0.20.0 // indirect
)
================================================
FILE: go.sum
================================================
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU=
github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
github.com/oschwald/geoip2-golang v1.11.0 h1:hNENhCn1Uyzhf9PTmquXENiWS6AlxAEnBII6r8krA3w=
github.com/oschwald/geoip2-golang v1.11.0/go.mod h1:P9zG+54KPEFOliZ29i7SeYZ/GM6tfEL+rgSn03hYuUo=
github.com/oschwald/maxminddb-golang v1.13.0 h1:R8xBorY71s84yO06NgTmQvqvTvlS/bnYZrrWX1MElnU=
github.com/oschwald/maxminddb-golang v1.13.0/go.mod h1:BU0z8BfFVhi1LQaonTwwGQlsHUEu9pWNdMfmq4ztm0o=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
golang.org/x/sys v0.27.0 h1:wBqf8DvsY9Y/2P8gAfPDEYNuS30J4lPHJxXSb/nJZ+s=
golang.org/x/sys v0.27.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/text v0.20.0 h1:gK/Kv2otX8gz+wn7Rmb3vT96ZwuoxnQlY+HlJVj7Qug=
golang.org/x/text v0.20.0/go.mod h1:D4IsuqiFMhST5bX19pQ9ikHC2GsaKyk/oF+pn3ducp4=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gorm.io/driver/sqlite v1.5.6 h1:fO/X46qn5NUEEOZtnjJRWRzZMe8nqJiQ9E+0hi+hKQE=
gorm.io/driver/sqlite v1.5.6/go.mod h1:U+J8craQU6Fzkcvu8oLeAQmi50TkwPEhHDEjQZXDah4=
gorm.io/gorm v1.25.12 h1:I0u8i2hWQItBq1WfE0o2+WuL9+8L21K9e2HHSTE/0f8=
gorm.io/gorm v1.25.12/go.mod h1:xh7N7RHfYlNc5EmcI/El95gXusucDrQnHXe0+CgWcLQ=
================================================
FILE: main.go
================================================
package main
import (
"context"
"fmt"
"github.com/mojocn/felix/api"
"github.com/mojocn/felix/model"
"github.com/mojocn/felix/socks5ws"
"log"
"log/slog"
"os"
"os/signal"
"syscall"
"time"
)
var (
buildTime, gitHash string
userUUID = "53881505-c10c-464a-8949-e57184a576a9"
url = "ws://demo.libragen.cn/5sdfasdf"
protocol = "socks5e" // or vless
)
func main() {
log.SetFlags(log.Lmicroseconds | log.Lshortfile)
slog.SetLogLoggerLevel(slog.LevelDebug)
model.DB()
appCfg := model.Cfg()
app, err := socks5ws.NewClientLocalSocks5Server(fmt.Sprintf("127.0.0.1:%d", appCfg.PortSocks5), "GeoLite2-Country.mmdb")
if err != nil {
log.Fatal(err)
}
slog.With("socks5", app.AddrSocks5).Info("socks5 server listening on")
ctx, cancel := context.WithCancel(context.Background())
signalChan := make(chan os.Signal, 1)
signal.Notify(signalChan, syscall.SIGINT, syscall.SIGABRT, syscall.SIGTERM, syscall.SIGQUIT, syscall.SIGKILL)
httpS := api.AdminServer(fmt.Sprintf("127.0.0.1:%d", appCfg.PortHttp))
go func() {
if err := httpS.ListenAndServe(); err != nil {
log.Fatal(err)
}
}()
go func() {
sig := <-signalChan
fmt.Printf("\nReceived signal: %s\n", sig)
cancel() // Cancel the context
// Shutdown the server with a timeout
shutdownCtx, shutdownCancel := context.WithTimeout(ctx, 2*time.Second)
defer shutdownCancel()
if err := httpS.Shutdown(shutdownCtx); err != nil {
log.Fatalf("Server Shutdown Failed:%+v", err)
}
}()
app.Run(ctx)
}
================================================
FILE: model/config.go
================================================
package model
import "log/slog"
type Config struct {
PortSocks5 int `json:"port_socks5"`
PortHttp int `json:"port_http"`
AuthUser string `json:"auth_user"`
AuthPass string `json:"auth_pass"`
}
var (
cfg *Config
defCfg = Config{
PortSocks5: 1080,
PortHttp: 1080 + 5,
AuthUser: "admin",
AuthPass: "admin",
}
)
func Cfg() *Config {
if cfg == nil {
row := new(Meta)
row.Config = defCfg
err := db.FirstOrCreate(&row).Error
if err != nil {
slog.Error("get config error", "err", err)
} else {
cfg = &defCfg
}
}
return cfg
}
================================================
FILE: model/db.go
================================================
package model
import (
"gorm.io/driver/sqlite" // Sqlite driver based on CGO
"gorm.io/gorm"
)
var db *gorm.DB
func initDb() {
var err error
db, err = gorm.Open(sqlite.Open("felix.sqlite3"), &gorm.Config{})
if err != nil {
panic("failed to connect database")
}
migrate()
}
func DB() *gorm.DB {
if db == nil {
initDb()
}
return db
}
================================================
FILE: model/helper.go
================================================
package model
import (
"errors"
"gorm.io/gorm"
)
// PaginationQ gin handler query binding struct
type PaginationQ struct {
Ok bool `json:"ok"`
Size int `form:"size" json:"size"`
Page int `form:"page" json:"page"`
Data interface{} `json:"data" comment:"muster be a pointer of slice gorm.Model"` // save pagination list
Total int64 `json:"total"`
}
// SearchAll optimized pagination method for gorm
func (p *PaginationQ) SearchAll(queryTx *gorm.DB) (data *PaginationQ, err error) {
//99999 magic number for get all list without pagination
if p.Size == 9999 || p.Size == 99999 {
err = queryTx.Find(p.Data).Error
p.Ok = err == nil
return p, err
}
if p.Size < 1 {
p.Size = 10
}
if p.Page < 1 {
p.Page = 1
}
offset := p.Size * (p.Page - 1)
err = queryTx.Count(&p.Total).Error
if err != nil {
return p, err
}
err = queryTx.Limit(p.Size).Offset(offset).Find(p.Data).Error
p.Ok = err == nil
return p, err
}
func crudAll(p *PaginationQ, queryTx *gorm.DB, list interface{}) (int64, error) {
if p.Size < 1 {
p.Size = 10
}
if p.Page < 1 {
p.Page = 1
}
var total int64
err := queryTx.Count(&total).Error
if err != nil {
return 0, err
}
offset := p.Size * (p.Page - 1)
err = queryTx.Limit(p.Size).Offset(offset).Find(list).Error
if err != nil {
return 0, err
}
return total, err
}
func crudOne(m interface{}) (err error) {
if err := db.First(m).Error; errors.Is(err, gorm.ErrRecordNotFound) {
return errors.New("resource is not found")
}
return nil
}
func crudDelete(m interface{}) (err error) {
//WARNING When delete a record, you need to ensure it’s primary field has value, and GORM will use the primary key to delete the record, if primary field’s blank, GORM will delete all records for the model
//primary key must be not zero value
db := db.Unscoped().Delete(m)
if err = db.Error; err != nil {
return
}
if db.RowsAffected != 1 {
return errors.New("resource is not found to destroy")
}
return nil
}
================================================
FILE: model/migrate.go
================================================
package model
import "log"
func migrate() {
if db == nil {
log.Print("db is nil")
return
}
for _, m := range []interface{}{&CfIp{}, &Meta{}, &Proxy{}} {
if err := db.AutoMigrate(m); err != nil {
log.Print(err)
}
}
}
================================================
FILE: model/t_cfip.go
================================================
package model
import (
"gorm.io/gorm"
"time"
)
type ModelBase struct {
ID uint `gorm:"primarykey" json:"id"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
DeletedAt gorm.DeletedAt `json:"deleted_at,omitempty" gorm:"index"`
}
type CfIp struct {
ModelBase
IP string `json:"ip" gorm:"type:varchar(15)"`
Cidr string `json:"cidr" gorm:"type:varchar(18)"`
Ports []int `json:"ports" gorm:"type:json;serializer:json"`
}
================================================
FILE: model/t_meta.go
================================================
package model
type Meta struct {
ModelBase
Config Config `json:"config" gorm:"type:json;serializer:json"`
}
================================================
FILE: model/t_proxy.go
================================================
package model
import (
"fmt"
"strings"
)
type Proxy struct {
ModelBase
Name string `json:"name" gorm:"varchar(255)"`
Protocol string `json:"protocol" gorm:"varchar(16)"` //ws,wss,http2,tls,http3
Host string `json:"host" gorm:"varchar(255)"`
Uri string `json:"uri" gorm:"varchar(255)"`
Sni string `json:"sni" gorm:"varchar(255)"`
Version string `json:"version" gorm:"varchar(16)"` // one socks5
UserID string `json:"user_id"`
Password string `json:"password"`
TrafficKb int64 `json:"traffic_kb" gorm:"default:0"`
SpeedMs int64 `json:"speed_ms" gorm:"default:0"`
Status string `json:"status" gorm:"varchar(16);default:''"` //active, inactive
}
func (p *Proxy) IsActive() bool {
return p.Status == "active"
}
func (p *Proxy) RelayURL() string {
switch p.Protocol {
case "ws":
return fmt.Sprintf("ws://%s/%s", p.Host, strings.TrimPrefix(p.Uri, "/"))
case "wss":
return fmt.Sprintf("wss://%s/%s", p.Host, strings.TrimPrefix(p.Uri, "/"))
case "tcp+tls":
return fmt.Sprintf("tcp-tls://%s/%s", p.Host, strings.TrimPrefix(p.Uri, "/"))
default:
return ""
}
}
================================================
FILE: socks5ws/app.go
================================================
package socks5ws
import (
"context"
"errors"
"fmt"
"github.com/mojocn/felix/model"
"github.com/mojocn/felix/util"
"io"
"log"
"log/slog"
"net"
"sync"
"time"
)
type ClientLocalSocks5Server struct {
AddrSocks5 string
geo *util.GeoIP
Timeout time.Duration
proxy *model.Proxy
}
func NewClientLocalSocks5Server(addr, geoIpPath string) (*ClientLocalSocks5Server, error) {
geo, err := util.NewGeoIP(geoIpPath)
if err != nil {
return nil, err
}
return &ClientLocalSocks5Server{
AddrSocks5: addr,
geo: geo,
Timeout: 5 * time.Minute,
}, nil
}
func (ss *ClientLocalSocks5Server) fetchActiveProxy() {
var proxies []model.Proxy
err := model.DB().Find(&proxies).Error
if err != nil {
slog.Error("failed to get proxy setting", "err", err.Error())
return
}
if len(proxies) == 0 {
slog.Error("no proxy setting found")
return
}
ss.proxy = &proxies[0]
for _, proxy := range proxies {
if proxy.IsActive() {
ss.proxy = &proxy
break
}
}
}
func (ss *ClientLocalSocks5Server) Run(ctx context.Context) {
ss.fetchActiveProxy()
listener, err := net.Listen("tcp", ss.AddrSocks5)
if err != nil {
listener, err = net.Listen("tcp4", "127.0.0.1:0")
}
if err != nil {
log.Fatalf("Failed to listen on %s: %v", ss.AddrSocks5, err)
}
ss.AddrSocks5 = listener.Addr().String()
slog.Info("socks5 server listening on", "addr", ss.AddrSocks5)
defer listener.Close()
log.Println("SOCKS5 server listening on: " + ss.AddrSocks5)
//proxySettingOn(ss.AddrSocks5)
//defer proxySettingOff()
for {
select {
case <-ctx.Done():
log.Println("socks5 server exit")
return
default:
conn, err := listener.Accept()
if err != nil {
log.Printf("Failed to accept connection: %v", err)
continue
}
go ss.handleConnection(ctx, conn)
}
}
}
func (ss *ClientLocalSocks5Server) socks5HandShake(conn net.Conn) error {
buf := make([]byte, 2)
if _, err := io.ReadFull(conn, buf); err != nil {
return fmt.Errorf("failed to read version and nmethods: %w", err)
}
if buf[0] != socks5Version {
return fmt.Errorf("socks5 only. unsupported SOCKS version: %d", buf[0])
}
// Read the supported authentication methods
nMethods := int(buf[1])
nMethodsData := make([]byte, nMethods)
if _, err := io.ReadFull(conn, nMethodsData); err != nil {
return fmt.Errorf("failed to read methods: %w", err)
}
// Select no authentication (0x00)
if _, err := conn.Write([]byte{socks5Version, 0x00}); err != nil {
return fmt.Errorf("failed to write method selection: %w", err)
}
return nil
}
func (ss *ClientLocalSocks5Server) socks5Request(conn net.Conn) (*Socks5Request, error) {
buf := make([]byte, 8<<10)
n, err := conn.Read(buf)
if err != nil {
return nil, fmt.Errorf("failed to read request: %w", err)
}
data := buf[:n]
if len(data) < 4 {
return nil, fmt.Errorf("request too short")
}
return parseSocks5Request(data, ss.geo)
}
func (ss *ClientLocalSocks5Server) handleConnection(outerCtx context.Context, conn net.Conn) {
defer conn.Close() // the outer for loop is not suitable for defer, so defer close here
ctx, cf := context.WithTimeout(outerCtx, ss.Timeout)
defer cf()
err := ss.socks5HandShake(conn)
if err != nil {
slog.Error("failed to handshake", "err", err.Error())
socks5Response(conn, net.IPv4zero, 0, socks5ReplyFail)
return
}
req, err := ss.socks5Request(conn)
if err != nil {
slog.Error("failed to parse socks5 request", "err", err.Error())
socks5Response(conn, net.IPv4zero, 0, socks5ReplyFail)
return
}
req.Logger().Info("remote target")
if req.socks5Cmd == socks5CmdConnect { //tcp
relayTcpSvr, err := ss.dispatchRelayTcpServer(ctx, req)
if err != nil {
slog.Error("failed to dispatch relay tcp server", "err", err.Error())
socks5Response(conn, net.IPv4zero, 0, socks5ReplyFail)
return
}
socks5Response(conn, net.IPv4zero, 0, socks5ReplyOkay)
defer relayTcpSvr.Close()
ss.pipeTcp(ctx, conn, relayTcpSvr)
return
} else if req.socks5Cmd == socks5CmdUdpAssoc {
udpH, err := NewRelayUdpDirect(conn)
if err != nil {
slog.Error("failed to create udp handler", "err", err.Error())
socks5Response(conn, net.IPv4zero, 0, socks5ReplyFail)
return
}
defer udpH.Close()
udpH.PipeUdp()
return
} else if req.socks5Cmd == socks5CmdBind {
relayBind(conn, req)
return
} else {
err = fmt.Errorf("unknown command: %d", req.socks5Cmd)
slog.Error("unknown command", "err", err.Error())
socks5Response(conn, net.IPv4zero, 0, socks5ReplyFail)
}
}
func (ss *ClientLocalSocks5Server) shouldGoDirect(req *Socks5Request) (goDirect bool) {
if req.CountryCode == "CN" || req.CountryCode == "" {
//empty means geo ip failed or local address
return true
}
return false
}
func (ss *ClientLocalSocks5Server) dispatchRelayTcpServer(ctx context.Context, req *Socks5Request) (io.ReadWriteCloser, error) {
if ss.shouldGoDirect(req) {
req.Logger().Info("go direct")
return NewRelayTcpDirect(req)
}
return NewRelayTcpSocks5e(ctx, ss.proxy, req)
}
func (ss *ClientLocalSocks5Server) pipeTcp(ctx context.Context, s5 net.Conn, relayRw io.ReadWriter) {
wg := sync.WaitGroup{}
wg.Add(2)
go func() {
span := slog.With("fn", "ws -> s5")
defer func() {
span.Debug("wg1 done")
wg.Done()
}()
for {
select {
case <-ctx.Done():
span.Info("ctx.Done exit")
return
default:
//ws.SetReadDeadline(time.Now().Add(1 * time.Second))
buf := make([]byte, 8<<10)
n, err := relayRw.Read(buf)
if err != nil {
span.Error("relay read", "err", err.Error())
return
}
_, err = s5.Write(buf[:n])
if err != nil {
span.Error("s5 write", "err", err.Error())
return
}
}
}
}()
go func() { // s5 -> ws
span := slog.With("fn", "s5 -> ws")
defer func() {
span.Debug("wg2 done")
wg.Done()
}()
for {
select {
case <-ctx.Done():
span.Debug("ctx.Done exit")
return
default:
buf := make([]byte, 8<<10)
//s5.SetReadDeadline(time.Now().Add(20 * time.Millisecond))
n, err := s5.Read(buf)
if errors.Is(err, io.EOF) {
slog.Info("s5 read EOF")
return
}
if err != nil {
et := fmt.Sprintf("%T", err)
span.With("errType", et).Error("s5 read", "err", err.Error())
return
}
//ws.SetWriteDeadline(time.Now().Add(1 * time.Second))
n, err = relayRw.Write(buf[:n])
if err != nil {
span.Error("relay write", "err", err.Error())
return
}
}
}
}()
wg.Wait()
slog.Debug("2 goroutines is Done")
}
================================================
FILE: socks5ws/const.go
================================================
package socks5ws
import (
"log/slog"
"net"
)
const (
socks5Version = 0x05
socks5ReplyOkay = 0x00
socks5ReplyFail = 0x01
socks5ReplyReserved = 0x00
socks5CmdConnect = 0x01
socks5CmdBind = 0x02
socks5CmdUdpAssoc = 0x03
socks5AtypeIPv4 = 0x01
socks5AtypeDomain = 0x03
socks5AtypeIPv6 = 0x04
socks5UdpFragNotSupported = 0x00
socks5UdpFragEnd = 0x80
bufferSize = 64 << 10
)
func socks5Response(conn net.Conn, ipv4 net.IP, port int, socks5OkayOrFail byte) {
if socks5OkayOrFail != socks5ReplyOkay {
ipv4 = net.IPv4zero
port = 0
}
if ipv4 == nil {
ipv4 = net.IPv4zero
}
if port < 0 || port > 65535 {
port = 0
}
response := []byte{socks5Version, socks5OkayOrFail, socks5ReplyReserved, socks5AtypeIPv4, ipv4[0], ipv4[1], ipv4[2], ipv4[3], byte(port >> 8), byte(port & 0xff)}
_, err := conn.Write(response)
if err != nil {
slog.Error("socks5 request rely failed to write", "err", err.Error())
}
}
================================================
FILE: socks5ws/relay_svr.go
================================================
package socks5ws
import "io"
type RelayTcp interface {
io.Reader
io.Writer
io.Closer
}
================================================
FILE: socks5ws/relay_tcp_direct.go
================================================
package socks5ws
import "net"
var _ RelayTcp = (*RelayTcpDirect)(nil)
type RelayTcpDirect struct {
conn net.Conn
}
func NewRelayTcpDirect(req *Socks5Request) (*RelayTcpDirect, error) {
conn, err := net.Dial("tcp", req.addr())
if err != nil {
return nil, err
}
return &RelayTcpDirect{conn: conn}, nil
}
func (r *RelayTcpDirect) Read(p []byte) (n int, err error) {
return r.conn.Read(p)
}
func (r *RelayTcpDirect) Write(p []byte) (n int, err error) {
return r.conn.Write(p)
}
func (r *RelayTcpDirect) Close() error {
return r.conn.Close()
}
================================================
FILE: socks5ws/relay_tcp_socks5e.go
================================================
package socks5ws
import (
"context"
"github.com/gorilla/websocket"
"github.com/mojocn/felix/model"
"log/slog"
"time"
)
var _ RelayTcp = (*RelayTcpSocks5e)(nil)
type RelayTcpSocks5e struct {
cfg *model.Proxy
req *Socks5Request
conn *websocket.Conn
}
func NewRelayTcpSocks5e(ctx context.Context, cfg *model.Proxy, req *Socks5Request) (*RelayTcpSocks5e, error) {
ws, err := webSocketConn(ctx, cfg, req)
if err != nil {
return nil, err
}
ws.SetCloseHandler(func(code int, text string) error {
slog.Debug("ws has closed", "code", code, "text", text)
return nil
})
return &RelayTcpSocks5e{cfg: cfg, req: req, conn: ws}, nil
}
func (r RelayTcpSocks5e) Read(data []byte) (n int, err error) {
if r.conn != nil {
_, p, err := r.conn.ReadMessage()
if err != nil {
slog.Error("failed to read ws", "err", err.Error())
}
return copy(data, p), err
}
return 0, nil
}
func (r RelayTcpSocks5e) Write(data []byte) (n int, err error) {
if r.conn != nil {
err = r.conn.WriteMessage(websocket.BinaryMessage, data)
if err != nil {
slog.Error("failed to write ws", "err", err.Error())
}
return len(data), err
}
return 0, nil
}
func (r RelayTcpSocks5e) Close() error {
if r.conn != nil {
err := r.conn.WriteControl(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""), time.Now().Add(time.Millisecond*20))
if err != nil {
slog.Error("failed to close ws", "err", err.Error())
}
return r.conn.Close()
}
return nil
}
================================================
FILE: socks5ws/relay_udp_direct.go
================================================
package socks5ws
import (
"errors"
"fmt"
"io"
"log"
"log/slog"
"net"
"sort"
"sync"
"time"
)
type RelayUdpDirect struct {
s5 net.Conn
relayUdp *net.UDPConn
// Reassembly queue for fragmented UDP packets.
mu sync.Mutex
fragments map[string][]*udpPacket // Map of DstAddr to fragments
highestFrag map[string]byte // Track highest FRAG value for each DstAddr
timers map[string]*time.Timer // Map of DstAddr to reassembly timer
timerDuration time.Duration // Timer duration
}
func (ud *RelayUdpDirect) addFragment(clientAddr *net.UDPAddr, frag *udpPacket) {
ud.mu.Lock()
defer ud.mu.Unlock()
clientDstAddr := ud.clientDstAddrAsID(clientAddr, frag.dstAddr())
// Initialize fragment queue and timer if not already present.
if _, exists := ud.fragments[clientDstAddr]; !exists {
ud.fragments[clientDstAddr] = []*udpPacket{}
ud.highestFrag[clientDstAddr] = socks5UdpFragNotSupported
ud.startTimer(clientDstAddr)
}
// Update highest FRAG value.
if frag.Frag > ud.highestFrag[clientDstAddr] {
ud.highestFrag[clientDstAddr] = frag.Frag
}
// Add fragment to the queue.
ud.fragments[clientDstAddr] = append(ud.fragments[clientDstAddr], frag)
// Check if this is the final fragment (end-of-fragment sequence).
if frag.Frag == socks5UdpFragEnd || frag.Frag == socks5UdpFragNotSupported { // High-order bit indicates end of sequence.
ud.assembleThenPipeUdp(clientAddr, frag.dstAddr())
}
}
func (ud *RelayUdpDirect) startTimer(ClientDstAddr string) {
if timer, exists := ud.timers[ClientDstAddr]; exists {
timer.Stop()
}
ud.timers[ClientDstAddr] = time.AfterFunc(ud.timerDuration, func() {
ud.mu.Lock()
defer ud.mu.Unlock()
delete(ud.fragments, ClientDstAddr)
delete(ud.highestFrag, ClientDstAddr)
delete(ud.timers, ClientDstAddr)
})
}
func (ud *RelayUdpDirect) clientDstAddrAsID(clientAddr *net.UDPAddr, dstAddr string) string {
return fmt.Sprintf("%s/%s", clientAddr, dstAddr)
}
func (ud *RelayUdpDirect) assembleThenPipeUdp(clientAddr *net.UDPAddr, dstAddr string) {
var data []byte
clientDstAddr := ud.clientDstAddrAsID(clientAddr, dstAddr)
fragments := ud.fragments[clientDstAddr]
// Sort fragments by FRAG value.
sort.Slice(fragments, func(i, j int) bool {
return fragments[i].Frag < fragments[j].Frag
})
for _, frag := range fragments {
data = append(data, frag.Data...)
}
comboPacket := fragments[0]
comboPacket.Data = data
// Clean up after successful reassembly.
delete(ud.fragments, clientDstAddr)
delete(ud.highestFrag, clientDstAddr)
if timer, exists := ud.timers[clientDstAddr]; exists {
timer.Stop()
delete(ud.timers, clientDstAddr)
}
ud.segmentPipe(comboPacket, clientAddr)
}
func (ud *RelayUdpDirect) PipeUdp() {
buf := make([]byte, bufferSize)
for {
n, clientAddr, err := ud.relayUdp.ReadFromUDP(buf)
if errors.Is(err, io.EOF) {
return
}
//I will not verify the `clientAddr` because this SOCKS5 proxy is intended for local relay to bypass the GFW.
if err != nil {
slog.Error("Error reading UDP data", "err", err.Error())
continue
}
packet, err := parseUDPData(buf[:n])
if err != nil {
log.Println("Error parsing UDP data", err)
continue
}
ud.addFragment(clientAddr, packet)
}
}
func (ud *RelayUdpDirect) segmentPipe(comboPacket *udpPacket, clientAddr *net.UDPAddr) {
resp, err := forwardUDPData(comboPacket)
if err != nil {
slog.Error("Error forwarding UDP data", "err", err.Error())
return
}
header := comboPacket.ResponseData(resp)
_, err = ud.relayUdp.WriteToUDP(header, clientAddr)
if err != nil {
slog.Error("Error sending UDP response", "err", err.Error())
}
}
func NewRelayUdpDirect(s5 net.Conn) (*RelayUdpDirect, error) {
udpAddr := &net.UDPAddr{IP: net.IPv4zero, Port: 0}
udpConn, err := net.ListenUDP("udp", udpAddr)
if err != nil {
return nil, fmt.Errorf("failed to bind UDP socket: %w", err)
}
ud := &RelayUdpDirect{
s5: s5,
relayUdp: udpConn,
mu: sync.Mutex{},
fragments: make(map[string][]*udpPacket),
highestFrag: make(map[string]byte),
timers: make(map[string]*time.Timer),
timerDuration: time.Second * 60,
}
boundAddr := udpConn.LocalAddr().(*net.UDPAddr)
response := []byte{
socks5Version, socks5ReplyOkay, socks5ReplyReserved, socks5AtypeIPv4,
boundAddr.IP[0], boundAddr.IP[1], boundAddr.IP[2], boundAddr.IP[3],
byte(boundAddr.Port >> 8), byte(boundAddr.Port & 0xFF),
}
_, err = ud.s5.Write(response)
if err != nil {
return nil, fmt.Errorf("failed to send response to client: %w", err)
}
return ud, nil
}
func forwardUDPData(udpPacket *udpPacket) ([]byte, error) {
conn, err := net.DialUDP("udp", nil, udpPacket.addr())
if err != nil {
return nil, err
}
defer conn.Close()
_, err = conn.Write(udpPacket.Data)
if err != nil {
return nil, err
}
buf := make([]byte, bufferSize)
n, _, err := conn.ReadFromUDP(buf)
if err != nil {
return nil, err
}
return buf[:n], nil
}
type udpPacket struct {
RSV [2]byte // reserved
Frag byte // fragment
AType byte // dst address type
Addr []byte // dst address
Port []byte // dst port
Data []byte // payload
}
func (p udpPacket) ResponseData(payload []byte) []byte {
header := []byte{p.RSV[0], p.RSV[1], 0, p.AType}
header = append(header, p.Addr...)
header = append(header, p.Port...)
return append(header, payload...)
}
func parseUDPData(data []byte) (*udpPacket, error) {
if len(data) < 4 {
return nil, fmt.Errorf("invalid UDP packet")
}
// parse header
var packet = udpPacket{
RSV: [2]byte{data[0], data[1]},
Frag: data[2],
AType: data[3],
}
switch packet.AType {
case socks5AtypeIPv4:
if len(data) < 10 {
return nil, fmt.Errorf("invalid IPv4 UDP packet")
}
packet.Addr = data[4 : 4+net.IPv4len]
packet.Port = data[4+net.IPv4len : 4+net.IPv4len+2]
packet.Data = data[4+net.IPv4len+2:]
case socks5AtypeIPv6:
if len(data) < 22 {
return nil, fmt.Errorf("invalid IPv6 UDP packet")
}
packet.Addr = data[4 : 4+net.IPv6len]
packet.Port = data[4+net.IPv6len : 4+net.IPv6len+2]
packet.Data = data[4+net.IPv6len+2:]
case socks5AtypeDomain:
if len(data) < 7 {
return nil, fmt.Errorf("invalid domain UDP packet")
}
addrLen := int(data[4])
packet.Addr = data[5 : 5+addrLen]
packet.Port = data[5+addrLen : 5+addrLen+2]
packet.Data = data[5+addrLen+2:]
default:
return nil, fmt.Errorf("unsupported address type: %d", packet.AType)
}
return &packet, nil
}
func (p udpPacket) ip() net.IP {
switch p.AType {
case socks5AtypeIPv4, socks5AtypeIPv6:
return p.Addr
case socks5AtypeDomain:
ips, err := net.LookupIP(string(p.Addr))
if err != nil {
slog.Error("failed to resolve domain", "err", err.Error())
return net.IPv4zero
}
if len(ips) == 0 {
return net.IPv4zero
}
return ips[0]
default:
return net.IPv4zero
}
}
func (p udpPacket) port() int {
return int(p.Port[0])<<8 + int(p.Port[1])
}
func (p udpPacket) addr() *net.UDPAddr {
return &net.UDPAddr{IP: p.ip(), Port: p.port()}
}
func (p udpPacket) dstAddr() string {
return fmt.Sprintf("%s:%d", p.ip(), p.port())
}
func (ud *RelayUdpDirect) Close() {
//s5 has already been closed in outside
if ud.relayUdp != nil {
err := ud.relayUdp.Close()
if err != nil {
log.Println("close udp conn failed: ", err)
}
}
}
================================================
FILE: socks5ws/socks5_bind.go
================================================
package socks5ws
import (
"io"
"log/slog"
"net"
"sync"
)
func relayBind(s5 net.Conn, _ *Socks5Request) {
bindListener, err := net.Listen("tcp4", ":0")
if err != nil {
slog.Error("bind tcp failed", "err", err)
socks5Response(s5, net.IPv4zero, 0, socks5ReplyFail)
return
}
defer bindListener.Close()
//first reply
localAddr := bindListener.Addr().(*net.TCPAddr)
socks5Response(s5, localAddr.IP, localAddr.Port, socks5ReplyOkay)
targetConn, err := bindListener.Accept()
if err != nil {
slog.Error("bind tcp failed", "err", err)
return
}
defer targetConn.Close()
//sec reply
targetAddr := targetConn.RemoteAddr().(*net.TCPAddr)
socks5Response(s5, targetAddr.IP, targetAddr.Port, socks5ReplyOkay)
var wg sync.WaitGroup
wg.Add(2)
go func() {
defer wg.Done()
_, err := io.Copy(targetConn, s5)
if err != nil {
slog.Error("bind tcp failed", "err", err)
}
}()
go func() {
defer wg.Done()
_, err := io.Copy(s5, targetConn)
if err != nil {
slog.Error("bind tcp failed", "err", err)
}
}()
wg.Wait()
}
================================================
FILE: socks5ws/socks5_connect.go
================================================
package socks5ws
================================================
FILE: socks5ws/socks5_req.go
================================================
package socks5ws
import (
"fmt"
"github.com/google/uuid"
"github.com/mojocn/felix/util"
"log/slog"
"net"
)
type Socks5Request struct {
id string
socks5Cmd byte
socks5Atyp byte
dstAddr []byte
dstPort []byte
CountryCode string //iso country code
}
func parseSocks5Request(data []byte, geo *util.GeoIP) (*Socks5Request, error) {
id := uuid.NewString()
info := &Socks5Request{id: id}
if data[0] != socks5Version {
return nil, fmt.Errorf("unsupported SOCKS version: %d", data[0])
}
if data[1] == socks5CmdConnect {
info.socks5Cmd = socks5CmdConnect
} else if data[1] == socks5CmdUdpAssoc {
info.socks5Cmd = socks5CmdUdpAssoc
} else {
//BIND is not supported
return nil, fmt.Errorf("unsupported command: %d", data[1])
}
if data[2] != socks5ReplyReserved {
return nil, fmt.Errorf("RSV must be 0x00")
}
if data[3] == socks5AtypeIPv4 {
if len(data) < 10 {
return nil, fmt.Errorf("request too short for atyp IPv4")
}
info.socks5Atyp = socks5AtypeIPv4
info.dstAddr = data[4:8]
info.dstPort = data[8:10]
} else if data[3] == socks5AtypeDomain {
if len(data) < 5 {
return nil, fmt.Errorf("request too short for atyp Domain")
}
addrLen := int(data[4])
info.socks5Atyp = socks5AtypeDomain
info.dstAddr = data[5 : 5+addrLen]
info.dstPort = data[5+addrLen : 5+addrLen+2]
} else if data[3] == socks5AtypeIPv6 {
if len(data) < 22 {
return nil, fmt.Errorf("request too short for atyp IPv6")
}
info.socks5Atyp = socks5AtypeIPv6
info.dstAddr = data[4:20]
info.dstPort = data[20:22]
} else {
return nil, fmt.Errorf("unsupported address type: %d", data[3])
}
//only get country code for connect command
if info.socks5Cmd == socks5CmdConnect {
code, err := geo.Country(info.host())
if err != nil {
info.Logger().Error("failed to get country code", "err", err.Error())
} else {
info.CountryCode = code
}
}
return info, nil
}
func (s Socks5Request) host() string {
addr := ""
if s.socks5Atyp == socks5AtypeIPv4 || s.socks5Atyp == socks5AtypeIPv6 {
addr = net.IP(s.dstAddr).String()
} else if s.socks5Atyp == socks5AtypeDomain {
addr = string(s.dstAddr)
} else {
addr = string(s.dstAddr)
}
return addr
}
func (s Socks5Request) addr() string {
return fmt.Sprintf("%s:%s", s.host(), s.port())
}
func (s Socks5Request) cmd() string {
cmd := "unknown"
if s.socks5Cmd == socks5CmdConnect {
cmd = "connect"
} else if s.socks5Cmd == socks5CmdUdpAssoc {
cmd = "udp"
} else if s.socks5Cmd == socks5CmdBind {
cmd = "bind"
}
return cmd
}
func (s Socks5Request) Network() string {
cmd := "unknown"
if s.socks5Cmd == socks5CmdConnect {
cmd = "tcp"
} else if s.socks5Cmd == socks5CmdUdpAssoc {
cmd = "udp"
} else if s.socks5Cmd == socks5CmdBind {
cmd = "bind"
}
return cmd
}
func (s Socks5Request) aType() string {
return fmt.Sprintf("%v", s.socks5Atyp)
}
func (s Socks5Request) port() string {
port := int(s.dstPort[0])<<8 + int(s.dstPort[1])
return fmt.Sprintf("%v", port)
}
func (s Socks5Request) Logger() *slog.Logger {
return slog.With("reqId", s.id, "cmd", s.cmd(), "atyp", s.aType(), "ip", s.host(), "port", s.port(), "country", s.CountryCode)
}
func (s Socks5Request) String() string {
return fmt.Sprintf("socks5Cmd: %v, socks5Atyp: %v, dstAddr: %v, dstPort: %v, country: %s", s.cmd(), s.aType(), s.host(), s.port(), s.CountryCode)
}
func (s Socks5Request) addressBytes() []byte {
if s.socks5Atyp == socks5AtypeDomain {
return append([]byte{byte(len(s.dstAddr))}, s.dstAddr...)
}
return s.dstAddr
}
================================================
FILE: socks5ws/socks5_udp_associate.go
================================================
package socks5ws
================================================
FILE: socks5ws/websocket.go
================================================
package socks5ws
import (
"context"
"crypto/tls"
"fmt"
"github.com/gorilla/websocket"
"github.com/mojocn/felix/model"
"log/slog"
"net/http"
)
const (
browserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36"
)
func webSocketConn(ctx context.Context, proxy *model.Proxy, req *Socks5Request) (*websocket.Conn, error) {
wsDialer := websocket.DefaultDialer
headers := http.Header{}
headers.Set("Authorization", proxy.UserID)
headers.Set("User-Agent", browserAgent)
if proxy.Sni != "" {
headers.Set("Host", proxy.Sni)
wsDialer.TLSClientConfig = &tls.Config{
ServerName: proxy.Sni, // Set the SNI to the hostname of the server
}
}
headers.Set("x-req-id", req.id)
headers.Set("x-dst-network", "tcp")
headers.Set("x-dst-addr", req.host())
headers.Set("x-dst-port", req.port())
headers.Set("x-dst-version", "socks5") // socks5proxy.Version
url := proxy.RelayURL()
slog.Debug("connecting to remote proxy server", "url", url)
ws, resp, err := websocket.DefaultDialer.DialContext(ctx, url, headers)
if err != nil {
return nil, fmt.Errorf("failed to connect to remote proxy server: %s ,error:%v", proxy.RelayURL(), err)
}
if resp.StatusCode != http.StatusSwitchingProtocols {
return nil, fmt.Errorf("failed to connect to remote proxy server: %s ,error:%v", proxy.RelayURL(), err)
}
return ws, nil
}
================================================
FILE: util/browse_open.go
================================================
package util
import (
"os/exec"
"runtime"
)
func BrowserOpen(url string) error {
var cmd string
var args []string
switch runtime.GOOS {
case "windows":
cmd = "cmd"
args = []string{"/c", "start"}
case "darwin":
cmd = "open"
default: // "linux", "freebsd", "openbsd", "netbsd"
cmd = "xdg-open"
}
args = append(args, url)
return exec.Command(cmd, args...).Start()
}
================================================
FILE: util/cf_ip.go
================================================
package util
import (
"encoding/json"
"fmt"
"io"
"log"
"net"
"net/http"
"time"
)
//https://api.cloudflare.com/client/v4/ips
//https://api.cloudflare.com/client/v4/ips?networks=jdcloud
type CfIP struct {
Ipv4Cidrs []string `json:"ipv4_cidrs"`
Ipv6Cidrs []string `json:"ipv6_cidrs"`
ReachableIPs chan string
}
var cfIpNode *CfIP
func singletonCfIP() *CfIP {
if cfIpNode == nil {
var err error
cfIpNode, err = NewCfIP()
if err != nil {
log.Printf("Error getting cf ip: %v\n", err)
}
}
return cfIpNode
}
func NewCfIP() (*CfIP, error) {
resp, err := http.Get("https://api.cloudflare.com/client/v4/ips")
if err != nil {
return nil, fmt.Errorf("get cf ip failed %w", err)
}
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("get cf ip failed %s", resp.Status)
}
defer resp.Body.Close()
all, err := io.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("read cf ip failed %w", err)
}
result := struct {
Result struct {
Ipv4Cidrs []string `json:"ipv4_cidrs"`
Ipv6Cidrs []string `json:"ipv6_cidrs"`
Etag string `json:"etag"`
} `json:"result"`
Success bool `json:"success"`
Errors []interface{} `json:"errors"`
Messages []interface{} `json:"messages"`
}{}
err = json.Unmarshal(all, &result)
if err != nil {
return nil, fmt.Errorf("unmarshal cf ip failed %w", err)
}
return &CfIP{
Ipv4Cidrs: result.Result.Ipv4Cidrs,
Ipv6Cidrs: result.Result.Ipv4Cidrs,
ReachableIPs: make(chan string),
}, nil
}
func (ci CfIP) IsCf(ip net.IP) bool {
for _, cidr := range append(ci.Ipv4Cidrs, ci.Ipv6Cidrs...) {
_, ipNet, err := net.ParseCIDR(cidr)
if err != nil {
log.Printf("Error parsing Cidr: %v\n", err)
continue
}
if ipNet.Contains(ip) {
return true
}
}
return false
}
func (ci CfIP) AllIps(fn func(ip, cidr string)) {
for _, cidr := range append(ci.Ipv4Cidrs, ci.Ipv6Cidrs...) {
ips, err := getIPsFromCIDR(cidr)
if err != nil {
fmt.Printf("Error parsing Cidr: %v\n", err)
continue
}
for _, ip := range ips {
fn(ip, cidr)
}
}
}
//func (ci CfIP) CheckReachableIps() {
// maxWorkers := runtime.GOMAXPROCS(0) * 64
// ips := ci.ips()
// jobs := make(chan string, len(ips))
// resultChan := make(chan string, len(ips))
// var wg sync.WaitGroup
// for i := 0; i < maxWorkers; i++ {
// wg.Add(1)
// go func() {
// defer wg.Done()
// for ip := range jobs {
// if isReachable(ip, 443) {
// resultChan <- ip
// }
// }
// }()
// }
// for _, ip := range ci.ips() {
// jobs <- ip
// }
// close(jobs)
// wg.Wait()
// var reachable []string
// for ip := range resultChan {
// reachable = append(reachable, ip)
// }
// fd, err := os.Create("cf_reachable_ips.txt")
// if err != nil {
// log.Println(err)
// return
// }
// defer fd.Close()
// fd.Write([]byte(strings.Join(reachable, "\n")))
//}
func getIPsFromCIDR(cidr string) ([]string, error) {
ip, ipNet, err := net.ParseCIDR(cidr)
if err != nil {
return nil, err
}
var ips []string
for ip := ip.Mask(ipNet.Mask); ipNet.Contains(ip); inc(ip) {
ips = append(ips, ip.String())
}
// Remove network address and broadcast address
return ips[1 : len(ips)-1], nil
}
func inc(ip net.IP) {
for j := len(ip) - 1; j >= 0; j-- {
ip[j]++
if ip[j] > 0 {
break
}
}
}
func isReachable(ip string, port int) bool {
timeout := time.Millisecond * 70
conn, err := net.DialTimeout("tcp", fmt.Sprintf("%s:%d", ip, port), timeout)
if err != nil {
log.Printf("Error connecting to %s:%d: %v\n", ip, port, err)
return false
}
conn.Close()
return true
}
================================================
FILE: util/cf_ip_test.go
================================================
package util
import "testing"
func TestCfIP_CheckReachableIps(t *testing.T) {
}
================================================
FILE: util/crypt_aes.go
================================================
package util
import (
"bytes"
"crypto/aes"
"crypto/cipher"
"encoding/base64"
)
//https://tech.mojotv.cn/2019/06/28/golang-crypt#svekr
// key length must be 16/24/32
func AesEncrypt(origData []byte, key string) (string, error) {
// 转成字节数组
k := []byte(key)
// 分组秘钥
block, err := aes.NewCipher(k)
if err != nil {
return "", err
}
// 获取秘钥块的长度
blockSize := block.BlockSize()
// 补全码
origData = PKCS7Padding(origData, blockSize)
// 加密模式
blockMode := cipher.NewCBCEncrypter(block, k[:blockSize])
// 创建数组
cryted := make([]byte, len(origData))
// 加密
blockMode.CryptBlocks(cryted, origData)
return base64.RawURLEncoding.EncodeToString(cryted), nil
}
func AesDecrypt(cryted string, key string) ([]byte, error) {
// 转成字节数组
crytedByte, err := base64.RawURLEncoding.DecodeString(cryted)
if err != nil {
return nil, err
}
k := []byte(key)
// 分组秘钥
block, err := aes.NewCipher(k)
if err != nil {
return nil, err
}
// 获取秘钥块的长度
blockSize := block.BlockSize()
// 加密模式
blockMode := cipher.NewCBCDecrypter(block, k[:blockSize])
// 创建数组
orig := make([]byte, len(crytedByte))
// 解密
blockMode.CryptBlocks(orig, crytedByte)
// 去补全码
orig = PKCS7UnPadding(orig)
return orig, nil
}
//补码
func PKCS7Padding(ciphertext []byte, blocksize int) []byte {
padding := blocksize - len(ciphertext)%blocksize
padtext := bytes.Repeat([]byte{byte(padding)}, padding)
return append(ciphertext, padtext...)
}
//去码
func PKCS7UnPadding(origData []byte) []byte {
length := len(origData)
unpadding := int(origData[length-1])
return origData[:(length - unpadding)]
}
================================================
FILE: util/crypt_aes_test.go
================================================
package util
import "testing"
func TestAesDecryptEn(t *testing.T) {
key := RandStringWordC(32)
msg := RandomString(12)
code, err := AesEncrypt([]byte(msg), key)
if err != nil {
t.Error(err)
}
tMsg, err := AesDecrypt(code, key)
if err != nil {
t.Error(err)
}
if string(tMsg) != msg {
t.Error("aes failed")
}
}
================================================
FILE: util/crypt_des.go
================================================
package util
import (
"bytes"
"crypto/des"
"encoding/hex"
"errors"
)
func ZeroPadding(ciphertext []byte, blockSize int) []byte {
padding := blockSize - len(ciphertext)%blockSize
padtext := bytes.Repeat([]byte{0}, padding)
return append(ciphertext, padtext...)
}
func ZeroUnPadding(origData []byte) []byte {
return bytes.TrimFunc(origData,
func(r rune) bool {
return r == rune(0)
})
}
func DesEncrypt(text string, key []byte) (string, error) {
src := []byte(text)
block, err := des.NewCipher(key)
if err != nil {
return "", err
}
bs := block.BlockSize()
src = ZeroPadding(src, bs)
if len(src)%bs != 0 {
return "", errors.New("Need a multiple of the blocksize")
}
out := make([]byte, len(src))
dst := out
for len(src) > 0 {
block.Encrypt(dst, src[:bs])
src = src[bs:]
dst = dst[bs:]
}
return hex.EncodeToString(out), nil
}
func DesDecrypt(decrypted string, key []byte) (string, error) {
src, err := hex.DecodeString(decrypted)
if err != nil {
return "", err
}
block, err := des.NewCipher(key)
if err != nil {
return "", err
}
out := make([]byte, len(src))
dst := out
bs := block.BlockSize()
if len(src)%bs != 0 {
return "", errors.New("crypto/cipher: input not full blocks")
}
for len(src) > 0 {
block.Decrypt(dst, src[:bs])
src = src[bs:]
dst = dst[bs:]
}
out = ZeroUnPadding(out)
return string(out), nil
}
================================================
FILE: util/enable_socks5_darwin.go
================================================
package util
import (
"bytes"
"fmt"
"os/exec"
"strings"
)
func proxySettingOn(socks5Addr string) {
networkService := "Wi-Fi" // Change this to your active network service name
proxyAddress := "127.0.0.1" // SOCKS5 proxy address
proxyPort := "1080" // SOCKS5 proxy port
// Disable the SOCKS proxy first (optional cleanup)
disableCmd := exec.Command("networksetup", "-setsocksfirewallproxystate", networkService, "off")
if err := disableCmd.Run(); err != nil {
fmt.Printf("Failed to disable SOCKS proxy: %v\n", err)
}
// Set the SOCKS proxy
cmd := exec.Command("networksetup",
"-setsocksfirewallproxy",
networkService,
proxyAddress,
proxyPort)
if err := cmd.Run(); err != nil {
fmt.Printf("Failed to set SOCKS proxy: %v\n", err)
return
}
// Enable the SOCKS proxy
enableCmd := exec.Command("networksetup", "-setsocksfirewallproxystate", networkService, "on")
if err := enableCmd.Run(); err != nil {
fmt.Printf("Failed to enable SOCKS proxy: %v\n", err)
return
}
fmt.Println("SOCKS5 proxy configured successfully!")
}
func proxySettingOff() (string, error) {
cmd := exec.Command("networksetup", "-listallnetworkservices")
var out bytes.Buffer
cmd.Stdout = &out
if err := cmd.Run(); err != nil {
return "", err
}
// List all network services
services := strings.Split(out.String(), "\n")
for _, service := range services {
if service != "" {
// Check if the service is active by getting the status
statusCmd := exec.Command("networksetup", "-getinfo", service)
var statusOut bytes.Buffer
statusCmd.Stdout = &statusOut
if err := statusCmd.Run(); err != nil {
return "", err
}
// Check if the service has a valid IP address (active network)
if strings.Contains(statusOut.String(), "IP address") {
return service, nil
}
}
}
return "", fmt.Errorf("no active network service found")
}
================================================
FILE: util/enable_socks5_linux.go
================================================
package util
func proxySettingOn(socks5Addr string) {
}
func proxySettingOff(socks5Addr string) {
}
================================================
FILE: util/enable_socks5_windows.go
================================================
package util
import (
"fmt"
"golang.org/x/sys/windows/registry"
"log"
)
func proxySettingOn(socks5Addr string) {
// Open the registry key for proxy settings
key, err := registry.OpenKey(registry.CURRENT_USER, `Software\Microsoft\Windows\CurrentVersion\Internet Settings`, registry.SET_VALUE)
if err != nil {
log.Fatalf("Error opening registry key: %v", err)
}
defer key.Close()
// Enable proxy and set proxy server to SOCKS5
err = key.SetDWordValue("ProxyEnable", 1) // 1 to enable proxy
if err != nil {
log.Fatalf("Error enabling proxy: %v", err)
}
// Set the SOCKS5 proxy address (e.g., "socks=127.0.0.1:1080")
err = key.SetStringValue("ProxyServer", "socks5://"+socks5Addr)
if err != nil {
log.Fatalf("Error setting proxy server: %v", err)
}
// Set the proxy override settings : *.cn;*.local
//
skipAddrs := "localhost;127.*;10.*;172.16.*;172.17.*;172.18.*;172.19.*;172.20.*;172.21.*;172.22.*;172.23.*;172.24.*;172.25.*;172.26.*;172.27.*;172.28.*;172.29.*;172.30.*;172.31.*;192.168.*;<local>;*.cn"
err = key.SetStringValue("ProxyOverride", skipAddrs)
if err != nil {
log.Fatalf("Error setting proxy override: %v", err)
}
// Optionally disable automatic proxy detection
err = key.SetDWordValue("AutoDetect", 0) // 0 to disable
if err != nil {
log.Fatalf("Error disabling automatic proxy detection: %v", err)
}
fmt.Println("SOCKS5 proxy configuration applied successfully.")
//cmd := exec.Command("netsh", "winhttp", "reset", "proxy")
//err = cmd.Run()
//if err != nil {
// slog.Error("Error resetting proxy settings: ", err)
//}
//log.Println("Network settings refreshed.")
}
func proxySettingOff() {
log.Print("Disabling SOCKS5 proxy settings...")
// Open the registry key for proxy settings
key, err := registry.OpenKey(registry.CURRENT_USER, `Software\Microsoft\Windows\CurrentVersion\Internet Settings`, registry.SET_VALUE)
if err != nil {
log.Fatalf("Error opening registry key: %v", err)
}
defer key.Close()
// Enable proxy and set proxy server to SOCKS5
err = key.SetDWordValue("ProxyEnable", 0) // 1 to enable proxy
if err != nil {
log.Fatalf("Error enabling proxy: %v", err)
}
//cmd := exec.Command("netsh", "winhttp", "reset", "proxy")
//err = cmd.Run()
//if err != nil {
// log.Fatalf("Error resetting proxy settings: %v", err)
//}
//log.Println("Network settings refreshed.")
}
================================================
FILE: util/geo_ip.go
================================================
package util
import (
"fmt"
"github.com/oschwald/geoip2-golang"
"net"
)
type GeoIP struct {
db *geoip2.Reader
}
func NewGeoIP(geoIpFilePath string) (*GeoIP, error) {
if geoIpFilePath == "" {
geoIpFilePath = "GeoLite2-Country.mmdb" //https://github.com/P3TERX/GeoLite.mmdb?tab=readme-ov-file
}
db, err := geoip2.Open(geoIpFilePath)
if err != nil {
return nil, err
}
return &GeoIP{db: db}, nil
}
func (g *GeoIP) Close() error {
if g.db != nil {
return g.db.Close()
}
return nil
}
func (g *GeoIP) Country(host string) (isoCountryCode string, err error) {
if g == nil {
return "", fmt.Errorf("geo databse is nil")
}
ip := net.ParseIP(host)
if ip == nil {
ips, err := net.LookupIP(host)
if err != nil {
return "", fmt.Errorf("failed to lookup IP: %w", err)
}
if len(ips) == 0 {
return "", fmt.Errorf("no IP found for %s", host)
}
ip = ips[0]
}
record, err := g.db.Country(ip)
if err != nil {
return "", fmt.Errorf("failed to get Country: %w", err)
}
return record.Country.IsoCode, nil
}
================================================
FILE: util/geo_ip_test.go
================================================
package util
import (
"testing"
)
func TestGeoDns_country(t *testing.T) {
}
================================================
FILE: util/random_string.go
================================================
package util
import (
"fmt"
"math/rand"
)
var (
stringMisc = []byte(".$#@&*_")
stringDigit = []byte("1234567890")
stringDigitLen = len(stringDigit)
stringLword = []byte("abcdefghijklmnopqrstuvwxyz")
stringLwordLen = len(stringLword)
stringUWord = []byte("ABCDEFGHIJKLMNOPQRSTUVWXYZ")
stringUWordLen = len(stringUWord)
stringCWord = []byte(fmt.Sprintf("%s%s", stringLword, stringUWord))
stringCWordLen = len(stringCWord)
letterRunes = []byte(fmt.Sprintf("%s%s%s%s", stringDigit, stringLword, stringMisc, stringUWord))
letterRunesLen = len(letterRunes)
)
func RandomString(n int) string {
b := make([]byte, n)
for i := range b {
b[i] = letterRunes[rand.Intn(letterRunesLen)]
}
return string(b)
}
func RandStringWordL(n int) string {
b := make([]byte, n)
for i := range b {
b[i] = stringLword[rand.Intn(stringLwordLen)]
}
return string(b)
}
func RandStringWordU(n int) string {
b := make([]byte, n)
for i := range b {
b[i] = stringUWord[rand.Intn(stringUWordLen)]
}
return string(b)
}
func RandStringWordC(n int) string {
b := make([]byte, n)
for i := range b {
b[i] = stringCWord[rand.Intn(stringCWordLen)]
}
return string(b)
}
func RandStringDigit(n int) string {
b := make([]byte, n)
for i := range b {
b[i] = stringDigit[rand.Intn(stringDigitLen)]
}
return string(b)
}
================================================
FILE: util/vless_data.go
================================================
package util
import (
"encoding/binary"
"errors"
"fmt"
"github.com/google/uuid"
"log/slog"
"net"
)
type SchemaVLESS struct {
userID uuid.UUID
DstProtocol string //tcp or udp
dstHost string
dstHostType string //ipv6 or ipv4,domain
dstPort uint16
Version byte
payload []byte
}
func (h SchemaVLESS) UUID() string {
return h.userID.String()
}
func (h SchemaVLESS) DataUdp() []byte {
allData := make([]byte, 0)
chunk := h.payload
for index := 0; index < len(chunk); {
if index+2 > len(chunk) {
fmt.Println("Incomplete length buffer")
return nil
}
lengthBuffer := chunk[index : index+2]
udpPacketLength := binary.BigEndian.Uint16(lengthBuffer)
if index+2+int(udpPacketLength) > len(chunk) {
fmt.Println("Incomplete UDP packet")
return nil
}
udpData := chunk[index+2 : index+2+int(udpPacketLength)]
index = index + 2 + int(udpPacketLength)
allData = append(allData, udpData...)
}
return allData
}
func (h SchemaVLESS) DataTcp() []byte {
return h.payload
}
func (h SchemaVLESS) AddrUdp() *net.UDPAddr {
return &net.UDPAddr{IP: h.HostIP(), Port: int(h.dstPort)}
}
func (h SchemaVLESS) HostIP() net.IP {
ip := net.ParseIP(h.dstHost)
if ip == nil {
ips, err := net.LookupIP(h.dstHost)
if err != nil {
h.Logger().Error("failed to resolve domain", "err", err.Error())
return net.IPv4zero
}
if len(ips) == 0 {
return net.IPv4zero
}
return ips[0]
}
return ip
}
func (h SchemaVLESS) HostPort() string {
return net.JoinHostPort(h.dstHost, fmt.Sprintf("%d", h.dstPort))
}
func (h SchemaVLESS) Logger() *slog.Logger {
return slog.With("userID", h.userID.String(), "network", h.DstProtocol, "addr", h.HostPort())
}
// VlessParse https://xtls.github.io/development/protocols/vless.html
func VlessParse(buf []byte) (*SchemaVLESS, error) {
payload := &SchemaVLESS{
userID: uuid.Nil,
DstProtocol: "",
dstHost: "",
dstPort: 0,
Version: 0,
payload: nil,
}
if len(buf) < 24 {
return payload, errors.New("invalid payload length")
}
payload.Version = buf[0]
payload.userID = uuid.Must(uuid.FromBytes(buf[1:17]))
extraInfoProtoBufLen := buf[17]
command := buf[18+extraInfoProtoBufLen]
switch command {
case 1:
payload.DstProtocol = "tcp"
case 2:
payload.DstProtocol = "udp"
default:
return payload, fmt.Errorf("command %d is not supported, command 01-tcp, 02-udp, 03-mux", command)
}
portIndex := 18 + extraInfoProtoBufLen + 1
payload.dstPort = binary.BigEndian.Uint16(buf[portIndex : portIndex+2])
addressIndex := portIndex + 2
addressType := buf[addressIndex]
addressValueIndex := addressIndex + 1
switch addressType {
case 1: // IPv4
if len(buf) < int(addressValueIndex+net.IPv4len) {
return nil, fmt.Errorf("invalid IPv4 address length")
}
payload.dstHost = net.IP(buf[addressValueIndex : addressValueIndex+net.IPv4len]).String()
payload.payload = buf[addressValueIndex+net.IPv4len:]
payload.dstHostType = "ipv4"
case 2: // domain
addressLength := buf[addressValueIndex]
addressValueIndex++
if len(buf) < int(addressValueIndex)+int(addressLength) {
return nil, fmt.Errorf("invalid domain address length")
}
payload.dstHost = string(buf[addressValueIndex : int(addressValueIndex)+int(addressLength)])
payload.payload = buf[int(addressValueIndex)+int(addressLength):]
payload.dstHostType = "domain"
case 3: // IPv6
if len(buf) < int(addressValueIndex+net.IPv6len) {
return nil, fmt.Errorf("invalid IPv6 address length")
}
payload.dstHost = net.IP(buf[addressValueIndex : addressValueIndex+net.IPv6len]).String()
payload.payload = buf[addressValueIndex+net.IPv6len:]
payload.dstHostType = "ipv6"
default:
return nil, fmt.Errorf("addressType %d is not supported", addressType)
}
return payload, nil
}
gitextract_4c84voe0/
├── .gitattributes
├── .github/
│ └── workflows/
│ └── codeql-analysis.yml
├── .gitignore
├── .travis.yml
├── GeoLite2-Country.mmdb
├── LICENSE
├── Makefile
├── README.md
├── README_zh.md
├── SECURITY.md
├── api/
│ ├── api_cfip.go
│ ├── api_meta.go
│ ├── api_proxy.go
│ └── app.go
├── go.mod
├── go.sum
├── main.go
├── model/
│ ├── config.go
│ ├── db.go
│ ├── helper.go
│ ├── migrate.go
│ ├── t_cfip.go
│ ├── t_meta.go
│ └── t_proxy.go
├── socks5ws/
│ ├── app.go
│ ├── const.go
│ ├── relay_svr.go
│ ├── relay_tcp_direct.go
│ ├── relay_tcp_socks5e.go
│ ├── relay_udp_direct.go
│ ├── socks5_bind.go
│ ├── socks5_connect.go
│ ├── socks5_req.go
│ ├── socks5_udp_associate.go
│ └── websocket.go
└── util/
├── browse_open.go
├── cf_ip.go
├── cf_ip_test.go
├── crypt_aes.go
├── crypt_aes_test.go
├── crypt_des.go
├── enable_socks5_darwin.go
├── enable_socks5_linux.go
├── enable_socks5_windows.go
├── geo_ip.go
├── geo_ip_test.go
├── random_string.go
└── vless_data.go
SYMBOL INDEX (142 symbols across 34 files)
FILE: api/api_cfip.go
function apiCfIpInit (line 11) | func apiCfIpInit(w http.ResponseWriter, req *http.Request) {
function apiCfIpList (line 31) | func apiCfIpList(w http.ResponseWriter, req *http.Request) {
function apiCfIpUpdate (line 40) | func apiCfIpUpdate(w http.ResponseWriter, req *http.Request) {
function apiCfIpCreate (line 53) | func apiCfIpCreate(w http.ResponseWriter, req *http.Request) {
function apiCfIpDelete (line 67) | func apiCfIpDelete(w http.ResponseWriter, req *http.Request) {
FILE: api/api_meta.go
function responseJson (line 9) | func responseJson(w http.ResponseWriter, code int, data any) {
function checkErr (line 17) | func checkErr(w http.ResponseWriter, err error) (shouldReturn bool) {
function apiMeta (line 25) | func apiMeta(w http.ResponseWriter, req *http.Request) {
FILE: api/api_proxy.go
function apiProxyList (line 10) | func apiProxyList(w http.ResponseWriter, req *http.Request) {
function apiProxyUpdate (line 19) | func apiProxyUpdate(w http.ResponseWriter, req *http.Request) {
function apiProxyCreate (line 32) | func apiProxyCreate(w http.ResponseWriter, req *http.Request) {
function apiProxyDelete (line 46) | func apiProxyDelete(w http.ResponseWriter, req *http.Request) {
FILE: api/app.go
type apiHandler (line 8) | type apiHandler struct
method ServeHTTP (line 10) | func (apiHandler) ServeHTTP(http.ResponseWriter, *http.Request) {}
function AdminServer (line 12) | func AdminServer(addr string) *http.Server {
FILE: main.go
function main (line 24) | func main() {
FILE: model/config.go
type Config (line 5) | type Config struct
function Cfg (line 22) | func Cfg() *Config {
FILE: model/db.go
function initDb (line 10) | func initDb() {
function DB (line 19) | func DB() *gorm.DB {
FILE: model/helper.go
type PaginationQ (line 9) | type PaginationQ struct
method SearchAll (line 18) | func (p *PaginationQ) SearchAll(queryTx *gorm.DB) (data *PaginationQ, ...
function crudAll (line 42) | func crudAll(p *PaginationQ, queryTx *gorm.DB, list interface{}) (int64,...
function crudOne (line 63) | func crudOne(m interface{}) (err error) {
function crudDelete (line 70) | func crudDelete(m interface{}) (err error) {
FILE: model/migrate.go
function migrate (line 5) | func migrate() {
FILE: model/t_cfip.go
type ModelBase (line 8) | type ModelBase struct
type CfIp (line 15) | type CfIp struct
FILE: model/t_meta.go
type Meta (line 3) | type Meta struct
FILE: model/t_proxy.go
type Proxy (line 8) | type Proxy struct
method IsActive (line 25) | func (p *Proxy) IsActive() bool {
method RelayURL (line 28) | func (p *Proxy) RelayURL() string {
FILE: socks5ws/app.go
type ClientLocalSocks5Server (line 17) | type ClientLocalSocks5Server struct
method fetchActiveProxy (line 37) | func (ss *ClientLocalSocks5Server) fetchActiveProxy() {
method Run (line 57) | func (ss *ClientLocalSocks5Server) Run(ctx context.Context) {
method socks5HandShake (line 90) | func (ss *ClientLocalSocks5Server) socks5HandShake(conn net.Conn) error {
method socks5Request (line 113) | func (ss *ClientLocalSocks5Server) socks5Request(conn net.Conn) (*Sock...
method handleConnection (line 126) | func (ss *ClientLocalSocks5Server) handleConnection(outerCtx context.C...
method shouldGoDirect (line 176) | func (ss *ClientLocalSocks5Server) shouldGoDirect(req *Socks5Request) ...
method dispatchRelayTcpServer (line 186) | func (ss *ClientLocalSocks5Server) dispatchRelayTcpServer(ctx context....
method pipeTcp (line 194) | func (ss *ClientLocalSocks5Server) pipeTcp(ctx context.Context, s5 net...
function NewClientLocalSocks5Server (line 24) | func NewClientLocalSocks5Server(addr, geoIpPath string) (*ClientLocalSoc...
FILE: socks5ws/const.go
constant socks5Version (line 9) | socks5Version = 0x05
constant socks5ReplyOkay (line 10) | socks5ReplyOkay = 0x00
constant socks5ReplyFail (line 11) | socks5ReplyFail = 0x01
constant socks5ReplyReserved (line 12) | socks5ReplyReserved = 0x00
constant socks5CmdConnect (line 13) | socks5CmdConnect = 0x01
constant socks5CmdBind (line 14) | socks5CmdBind = 0x02
constant socks5CmdUdpAssoc (line 15) | socks5CmdUdpAssoc = 0x03
constant socks5AtypeIPv4 (line 16) | socks5AtypeIPv4 = 0x01
constant socks5AtypeDomain (line 17) | socks5AtypeDomain = 0x03
constant socks5AtypeIPv6 (line 18) | socks5AtypeIPv6 = 0x04
constant socks5UdpFragNotSupported (line 19) | socks5UdpFragNotSupported = 0x00
constant socks5UdpFragEnd (line 20) | socks5UdpFragEnd = 0x80
constant bufferSize (line 22) | bufferSize = 64 << 10
function socks5Response (line 25) | func socks5Response(conn net.Conn, ipv4 net.IP, port int, socks5OkayOrFa...
FILE: socks5ws/relay_svr.go
type RelayTcp (line 5) | type RelayTcp interface
FILE: socks5ws/relay_tcp_direct.go
type RelayTcpDirect (line 7) | type RelayTcpDirect struct
method Read (line 19) | func (r *RelayTcpDirect) Read(p []byte) (n int, err error) {
method Write (line 23) | func (r *RelayTcpDirect) Write(p []byte) (n int, err error) {
method Close (line 27) | func (r *RelayTcpDirect) Close() error {
function NewRelayTcpDirect (line 11) | func NewRelayTcpDirect(req *Socks5Request) (*RelayTcpDirect, error) {
FILE: socks5ws/relay_tcp_socks5e.go
type RelayTcpSocks5e (line 13) | type RelayTcpSocks5e struct
method Read (line 31) | func (r RelayTcpSocks5e) Read(data []byte) (n int, err error) {
method Write (line 42) | func (r RelayTcpSocks5e) Write(data []byte) (n int, err error) {
method Close (line 53) | func (r RelayTcpSocks5e) Close() error {
function NewRelayTcpSocks5e (line 19) | func NewRelayTcpSocks5e(ctx context.Context, cfg *model.Proxy, req *Sock...
FILE: socks5ws/relay_udp_direct.go
type RelayUdpDirect (line 15) | type RelayUdpDirect struct
method addFragment (line 27) | func (ud *RelayUdpDirect) addFragment(clientAddr *net.UDPAddr, frag *u...
method startTimer (line 52) | func (ud *RelayUdpDirect) startTimer(ClientDstAddr string) {
method clientDstAddrAsID (line 64) | func (ud *RelayUdpDirect) clientDstAddrAsID(clientAddr *net.UDPAddr, d...
method assembleThenPipeUdp (line 67) | func (ud *RelayUdpDirect) assembleThenPipeUdp(clientAddr *net.UDPAddr,...
method PipeUdp (line 91) | func (ud *RelayUdpDirect) PipeUdp() {
method segmentPipe (line 112) | func (ud *RelayUdpDirect) segmentPipe(comboPacket *udpPacket, clientAd...
method Close (line 259) | func (ud *RelayUdpDirect) Close() {
function NewRelayUdpDirect (line 125) | func NewRelayUdpDirect(s5 net.Conn) (*RelayUdpDirect, error) {
function forwardUDPData (line 155) | func forwardUDPData(udpPacket *udpPacket) ([]byte, error) {
type udpPacket (line 175) | type udpPacket struct
method ResponseData (line 184) | func (p udpPacket) ResponseData(payload []byte) []byte {
method ip (line 230) | func (p udpPacket) ip() net.IP {
method port (line 249) | func (p udpPacket) port() int {
method addr (line 252) | func (p udpPacket) addr() *net.UDPAddr {
method dstAddr (line 255) | func (p udpPacket) dstAddr() string {
function parseUDPData (line 191) | func parseUDPData(data []byte) (*udpPacket, error) {
FILE: socks5ws/socks5_bind.go
function relayBind (line 10) | func relayBind(s5 net.Conn, _ *Socks5Request) {
FILE: socks5ws/socks5_req.go
type Socks5Request (line 11) | type Socks5Request struct
method host (line 75) | func (s Socks5Request) host() string {
method addr (line 87) | func (s Socks5Request) addr() string {
method cmd (line 90) | func (s Socks5Request) cmd() string {
method Network (line 102) | func (s Socks5Request) Network() string {
method aType (line 114) | func (s Socks5Request) aType() string {
method port (line 118) | func (s Socks5Request) port() string {
method Logger (line 123) | func (s Socks5Request) Logger() *slog.Logger {
method String (line 126) | func (s Socks5Request) String() string {
method addressBytes (line 130) | func (s Socks5Request) addressBytes() []byte {
function parseSocks5Request (line 20) | func parseSocks5Request(data []byte, geo *util.GeoIP) (*Socks5Request, e...
FILE: socks5ws/websocket.go
constant browserAgent (line 14) | browserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/53...
function webSocketConn (line 17) | func webSocketConn(ctx context.Context, proxy *model.Proxy, req *Socks5R...
FILE: util/browse_open.go
function BrowserOpen (line 8) | func BrowserOpen(url string) error {
FILE: util/cf_ip.go
type CfIP (line 16) | type CfIP struct
method IsCf (line 70) | func (ci CfIP) IsCf(ip net.IP) bool {
method AllIps (line 84) | func (ci CfIP) AllIps(fn func(ip, cidr string)) {
function singletonCfIP (line 24) | func singletonCfIP() *CfIP {
function NewCfIP (line 35) | func NewCfIP() (*CfIP, error) {
function getIPsFromCIDR (line 132) | func getIPsFromCIDR(cidr string) ([]string, error) {
function inc (line 146) | func inc(ip net.IP) {
function isReachable (line 155) | func isReachable(ip string, port int) bool {
FILE: util/cf_ip_test.go
function TestCfIP_CheckReachableIps (line 5) | func TestCfIP_CheckReachableIps(t *testing.T) {
FILE: util/crypt_aes.go
function AesEncrypt (line 12) | func AesEncrypt(origData []byte, key string) (string, error) {
function AesDecrypt (line 36) | func AesDecrypt(cryted string, key string) ([]byte, error) {
function PKCS7Padding (line 63) | func PKCS7Padding(ciphertext []byte, blocksize int) []byte {
function PKCS7UnPadding (line 70) | func PKCS7UnPadding(origData []byte) []byte {
FILE: util/crypt_aes_test.go
function TestAesDecryptEn (line 5) | func TestAesDecryptEn(t *testing.T) {
FILE: util/crypt_des.go
function ZeroPadding (line 10) | func ZeroPadding(ciphertext []byte, blockSize int) []byte {
function ZeroUnPadding (line 16) | func ZeroUnPadding(origData []byte) []byte {
function DesEncrypt (line 23) | func DesEncrypt(text string, key []byte) (string, error) {
function DesDecrypt (line 43) | func DesDecrypt(decrypted string, key []byte) (string, error) {
FILE: util/enable_socks5_darwin.go
function proxySettingOn (line 10) | func proxySettingOn(socks5Addr string) {
function proxySettingOff (line 42) | func proxySettingOff() (string, error) {
FILE: util/enable_socks5_linux.go
function proxySettingOn (line 3) | func proxySettingOn(socks5Addr string) {
function proxySettingOff (line 6) | func proxySettingOff(socks5Addr string) {
FILE: util/enable_socks5_windows.go
function proxySettingOn (line 9) | func proxySettingOn(socks5Addr string) {
function proxySettingOff (line 51) | func proxySettingOff() {
FILE: util/geo_ip.go
type GeoIP (line 9) | type GeoIP struct
method Close (line 24) | func (g *GeoIP) Close() error {
method Country (line 31) | func (g *GeoIP) Country(host string) (isoCountryCode string, err error) {
function NewGeoIP (line 13) | func NewGeoIP(geoIpFilePath string) (*GeoIP, error) {
FILE: util/geo_ip_test.go
function TestGeoDns_country (line 7) | func TestGeoDns_country(t *testing.T) {
FILE: util/random_string.go
function RandomString (line 27) | func RandomString(n int) string {
function RandStringWordL (line 35) | func RandStringWordL(n int) string {
function RandStringWordU (line 43) | func RandStringWordU(n int) string {
function RandStringWordC (line 50) | func RandStringWordC(n int) string {
function RandStringDigit (line 57) | func RandStringDigit(n int) string {
FILE: util/vless_data.go
type SchemaVLESS (line 12) | type SchemaVLESS struct
method UUID (line 22) | func (h SchemaVLESS) UUID() string {
method DataUdp (line 26) | func (h SchemaVLESS) DataUdp() []byte {
method DataTcp (line 46) | func (h SchemaVLESS) DataTcp() []byte {
method AddrUdp (line 50) | func (h SchemaVLESS) AddrUdp() *net.UDPAddr {
method HostIP (line 53) | func (h SchemaVLESS) HostIP() net.IP {
method HostPort (line 69) | func (h SchemaVLESS) HostPort() string {
method Logger (line 72) | func (h SchemaVLESS) Logger() *slog.Logger {
function VlessParse (line 77) | func VlessParse(buf []byte) (*SchemaVLESS, error) {
Condensed preview — 48 files, each showing path, character count, and a content snippet. Download the .json file or copy for the full structured content (79K chars).
[
{
"path": ".gitattributes",
"chars": 48,
"preview": "* linguist-vendored\n*.go linguist-vendored=false"
},
{
"path": ".github/workflows/codeql-analysis.yml",
"chars": 2432,
"preview": "# For most projects, this workflow file will not need changing; you simply need\n# to commit it to your repository.\n#\n# Y"
},
{
"path": ".gitignore",
"chars": 103,
"preview": "felix\n.idea\nbuilds\nbuilds/*\ntest*\n_build*\n*.exe\nrelease\ndist\n_book\n_release\n.vscode\n_nes\ndist/\n*sqlite3"
},
{
"path": ".travis.yml",
"chars": 296,
"preview": "language: go\nos:\n - linux\n - osx\n\n\nmatrix:\n fast_finish: true\n include:\n - go: 1.12.x\n env: CGO_ENABLED=0 GO"
},
{
"path": "LICENSE",
"chars": 11358,
"preview": "\n Apache License\n Version 2.0, January 2004\n "
},
{
"path": "Makefile",
"chars": 1071,
"preview": "LDFLAGS := \"-s -w -X main.buildTime=$(shell date -u '+%Y-%m-%dT%I:%M:%S%p') -X main.gitHash=$(shell git rev-parse HEAD)\""
},
{
"path": "README.md",
"chars": 27,
"preview": "# Felix [中文](README_zh.md)\n"
},
{
"path": "README_zh.md",
"chars": 120,
"preview": "# Felix\n[](https://travis-ci.org/libragen/felix)\n"
},
{
"path": "SECURITY.md",
"chars": 619,
"preview": "# Security Policy\n\n## Supported Versions\n\nUse this section to tell people about which versions of your project are\ncurre"
},
{
"path": "api/api_cfip.go",
"chars": 1672,
"preview": "package api\n\nimport (\n\t\"encoding/json\"\n\t\"fmt\"\n\t\"github.com/mojocn/felix/model\"\n\t\"github.com/mojocn/felix/util\"\n\t\"net/htt"
},
{
"path": "api/api_meta.go",
"chars": 706,
"preview": "package api\n\nimport (\n\t\"encoding/json\"\n\t\"github.com/mojocn/felix/model\"\n\t\"net/http\"\n)\n\nfunc responseJson(w http.Response"
},
{
"path": "api/api_proxy.go",
"chars": 1238,
"preview": "package api\n\nimport (\n\t\"encoding/json\"\n\t\"fmt\"\n\t\"github.com/mojocn/felix/model\"\n\t\"net/http\"\n)\n\nfunc apiProxyList(w http.R"
},
{
"path": "api/app.go",
"chars": 884,
"preview": "package api\n\nimport (\n\t\"log\"\n\t\"net/http\"\n)\n\ntype apiHandler struct{}\n\nfunc (apiHandler) ServeHTTP(http.ResponseWriter, *"
},
{
"path": "go.mod",
"chars": 494,
"preview": "module github.com/mojocn/felix\n\ngo 1.22\n\nrequire (\n\tgithub.com/google/uuid v1.6.0\n\tgithub.com/gorilla/websocket v1.5.3\n\t"
},
{
"path": "go.sum",
"chars": 2519,
"preview": "github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=\ngithub.com/davecgh/go-spew v1.1.1/go.m"
},
{
"path": "main.go",
"chars": 1523,
"preview": "package main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\t\"github.com/mojocn/felix/api\"\n\t\"github.com/mojocn/felix/model\"\n\t\"github.com/mo"
},
{
"path": "model/config.go",
"chars": 578,
"preview": "package model\n\nimport \"log/slog\"\n\ntype Config struct {\n\tPortSocks5 int `json:\"port_socks5\"`\n\tPortHttp int `json:"
},
{
"path": "model/db.go",
"chars": 349,
"preview": "package model\n\nimport (\n\t\"gorm.io/driver/sqlite\" // Sqlite driver based on CGO\n\t\"gorm.io/gorm\"\n)\n\nvar db *gorm.DB\n\nfunc "
},
{
"path": "model/helper.go",
"chars": 2004,
"preview": "package model\n\nimport (\n\t\"errors\"\n\t\"gorm.io/gorm\"\n)\n\n// PaginationQ gin handler query binding struct\ntype PaginationQ st"
},
{
"path": "model/migrate.go",
"chars": 233,
"preview": "package model\n\nimport \"log\"\n\nfunc migrate() {\n\tif db == nil {\n\t\tlog.Print(\"db is nil\")\n\t\treturn\n\t}\n\tfor _, m := range []"
},
{
"path": "model/t_cfip.go",
"chars": 492,
"preview": "package model\n\nimport (\n\t\"gorm.io/gorm\"\n\t\"time\"\n)\n\ntype ModelBase struct {\n\tID uint `gorm:\"primarykey\" "
},
{
"path": "model/t_meta.go",
"chars": 111,
"preview": "package model\n\ntype Meta struct {\n\tModelBase\n\tConfig Config `json:\"config\" gorm:\"type:json;serializer:json\"`\n}\n"
},
{
"path": "model/t_proxy.go",
"chars": 1109,
"preview": "package model\n\nimport (\n\t\"fmt\"\n\t\"strings\"\n)\n\ntype Proxy struct {\n\tModelBase\n\tName string `json:\"name\" gorm:\"varchar(255)"
},
{
"path": "socks5ws/app.go",
"chars": 6511,
"preview": "package socks5ws\n\nimport (\n\t\"context\"\n\t\"errors\"\n\t\"fmt\"\n\t\"github.com/mojocn/felix/model\"\n\t\"github.com/mojocn/felix/util\"\n"
},
{
"path": "socks5ws/const.go",
"chars": 1030,
"preview": "package socks5ws\n\nimport (\n\t\"log/slog\"\n\t\"net\"\n)\n\nconst (\n\tsocks5Version = 0x05\n\tsocks5ReplyOkay = "
},
{
"path": "socks5ws/relay_svr.go",
"chars": 92,
"preview": "package socks5ws\n\nimport \"io\"\n\ntype RelayTcp interface {\n\tio.Reader\n\tio.Writer\n\tio.Closer\n}\n"
},
{
"path": "socks5ws/relay_tcp_direct.go",
"chars": 556,
"preview": "package socks5ws\n\nimport \"net\"\n\nvar _ RelayTcp = (*RelayTcpDirect)(nil)\n\ntype RelayTcpDirect struct {\n\tconn net.Conn\n}\n\n"
},
{
"path": "socks5ws/relay_tcp_socks5e.go",
"chars": 1494,
"preview": "package socks5ws\n\nimport (\n\t\"context\"\n\t\"github.com/gorilla/websocket\"\n\t\"github.com/mojocn/felix/model\"\n\t\"log/slog\"\n\t\"tim"
},
{
"path": "socks5ws/relay_udp_direct.go",
"chars": 7332,
"preview": "package socks5ws\n\nimport (\n\t\"errors\"\n\t\"fmt\"\n\t\"io\"\n\t\"log\"\n\t\"log/slog\"\n\t\"net\"\n\t\"sort\"\n\t\"sync\"\n\t\"time\"\n)\n\ntype RelayUdpDire"
},
{
"path": "socks5ws/socks5_bind.go",
"chars": 1049,
"preview": "package socks5ws\n\nimport (\n\t\"io\"\n\t\"log/slog\"\n\t\"net\"\n\t\"sync\"\n)\n\nfunc relayBind(s5 net.Conn, _ *Socks5Request) {\n\tbindList"
},
{
"path": "socks5ws/socks5_connect.go",
"chars": 17,
"preview": "package socks5ws\n"
},
{
"path": "socks5ws/socks5_req.go",
"chars": 3542,
"preview": "package socks5ws\n\nimport (\n\t\"fmt\"\n\t\"github.com/google/uuid\"\n\t\"github.com/mojocn/felix/util\"\n\t\"log/slog\"\n\t\"net\"\n)\n\ntype S"
},
{
"path": "socks5ws/socks5_udp_associate.go",
"chars": 17,
"preview": "package socks5ws\n"
},
{
"path": "socks5ws/websocket.go",
"chars": 1401,
"preview": "package socks5ws\n\nimport (\n\t\"context\"\n\t\"crypto/tls\"\n\t\"fmt\"\n\t\"github.com/gorilla/websocket\"\n\t\"github.com/mojocn/felix/mod"
},
{
"path": "util/browse_open.go",
"chars": 385,
"preview": "package util\n\nimport (\n\t\"os/exec\"\n\t\"runtime\"\n)\n\nfunc BrowserOpen(url string) error {\n\tvar cmd string\n\tvar args []string\n"
},
{
"path": "util/cf_ip.go",
"chars": 3573,
"preview": "package util\n\nimport (\n\t\"encoding/json\"\n\t\"fmt\"\n\t\"io\"\n\t\"log\"\n\t\"net\"\n\t\"net/http\"\n\t\"time\"\n)\n\n//https://api.cloudflare.com/c"
},
{
"path": "util/cf_ip_test.go",
"chars": 83,
"preview": "package util\n\nimport \"testing\"\n\nfunc TestCfIP_CheckReachableIps(t *testing.T) {\n\n}\n"
},
{
"path": "util/crypt_aes.go",
"chars": 1578,
"preview": "package util\n\nimport (\n\t\"bytes\"\n\t\"crypto/aes\"\n\t\"crypto/cipher\"\n\t\"encoding/base64\"\n)\n\n//https://tech.mojotv.cn/2019/06/28"
},
{
"path": "util/crypt_aes_test.go",
"chars": 329,
"preview": "package util\n\nimport \"testing\"\n\nfunc TestAesDecryptEn(t *testing.T) {\n\tkey := RandStringWordC(32)\n\n\tmsg := RandomString("
},
{
"path": "util/crypt_des.go",
"chars": 1375,
"preview": "package util\n\nimport (\n\t\"bytes\"\n\t\"crypto/des\"\n\t\"encoding/hex\"\n\t\"errors\"\n)\n\nfunc ZeroPadding(ciphertext []byte, blockSize"
},
{
"path": "util/enable_socks5_darwin.go",
"chars": 1884,
"preview": "package util\n\nimport (\n\t\"bytes\"\n\t\"fmt\"\n\t\"os/exec\"\n\t\"strings\"\n)\n\nfunc proxySettingOn(socks5Addr string) {\n\tnetworkService"
},
{
"path": "util/enable_socks5_linux.go",
"chars": 103,
"preview": "package util\n\nfunc proxySettingOn(socks5Addr string) {\n\n}\nfunc proxySettingOff(socks5Addr string) {\n\n}\n"
},
{
"path": "util/enable_socks5_windows.go",
"chars": 2364,
"preview": "package util\n\nimport (\n\t\"fmt\"\n\t\"golang.org/x/sys/windows/registry\"\n\t\"log\"\n)\n\nfunc proxySettingOn(socks5Addr string) {\n\t/"
},
{
"path": "util/geo_ip.go",
"chars": 1037,
"preview": "package util\n\nimport (\n\t\"fmt\"\n\t\"github.com/oschwald/geoip2-golang\"\n\t\"net\"\n)\n\ntype GeoIP struct {\n\tdb *geoip2.Reader\n}\n\nf"
},
{
"path": "util/geo_ip_test.go",
"chars": 80,
"preview": "package util\n\nimport (\n\t\"testing\"\n)\n\nfunc TestGeoDns_country(t *testing.T) {\n\n}\n"
},
{
"path": "util/random_string.go",
"chars": 1338,
"preview": "package util\n\nimport (\n\t\"fmt\"\n\t\"math/rand\"\n)\n\nvar (\n\tstringMisc = []byte(\".$#@&*_\")\n\n\tstringDigit = []byte(\"123456789"
},
{
"path": "util/vless_data.go",
"chars": 3796,
"preview": "package util\n\nimport (\n\t\"encoding/binary\"\n\t\"errors\"\n\t\"fmt\"\n\t\"github.com/google/uuid\"\n\t\"log/slog\"\n\t\"net\"\n)\n\ntype SchemaVL"
}
]
// ... and 1 more files (download for full content)
About this extraction
This page contains the full source code of the dejavuzhou/felix GitHub repository, extracted and formatted as plain text for AI agents and large language models (LLMs). The extraction includes 48 files (69.3 KB), approximately 22.2k tokens, and a symbol index with 142 extracted functions, classes, methods, constants, and types. Use this with OpenClaw, Claude, ChatGPT, Cursor, Windsurf, or any other AI tool that accepts text input. You can copy the full output to your clipboard or download it as a .txt file.
Extracted by GitExtract — free GitHub repo to text converter for AI. Built by Nikandr Surkov.