package main import ( "flag" "fmt" "os" "os/signal" "path/filepath" "runtime" "syscall" _ "time/tzdata" "github.com/Dreamacro/clash/config" C "github.com/Dreamacro/clash/constant" "github.com/Dreamacro/clash/hub" "github.com/Dreamacro/clash/hub/executor" "github.com/Dreamacro/clash/log" "go.uber.org/automaxprocs/maxprocs" ) var ( version bool testConfig bool homeDir string configFile string externalUI string externalController string secret string ) func init() { flag.StringVar(&homeDir, "d", os.Getenv("CLASH_HOME_DIR"), "set configuration directory") flag.StringVar(&configFile, "f", os.Getenv("CLASH_CONFIG_FILE"), "specify configuration file") flag.StringVar(&externalUI, "ext-ui", os.Getenv("CLASH_OVERRIDE_EXTERNAL_UI_DIR"), "override external ui directory") flag.StringVar(&externalController, "ext-ctl", os.Getenv("CLASH_OVERRIDE_EXTERNAL_CONTROLLER"), "override external controller address") flag.StringVar(&secret, "secret", os.Getenv("CLASH_OVERRIDE_SECRET"), "override secret for RESTful API") flag.BoolVar(&version, "v", false, "show current version of clash") flag.BoolVar(&testConfig, "t", false, "test configuration and exit") flag.Parse() } func main() { maxprocs.Set(maxprocs.Logger(func(string, ...any) {})) if version { fmt.Printf("Clash %s %s %s with %s %s\n", C.Version, runtime.GOOS, runtime.GOARCH, runtime.Version(), C.BuildTime) return } if homeDir != "" { if !filepath.IsAbs(homeDir) { currentDir, _ := os.Getwd() homeDir = filepath.Join(currentDir, homeDir) } C.SetHomeDir(homeDir) } if configFile != "" { if !filepath.IsAbs(configFile) { currentDir, _ := os.Getwd() configFile = filepath.Join(currentDir, configFile) } C.SetConfig(configFile) } else { configFile := filepath.Join(C.Path.HomeDir(), C.Path.Config()) C.SetConfig(configFile) } if err := config.Init(C.Path.HomeDir()); err != nil { log.Fatalln("Initial configuration directory error: %s", err.Error()) } if testConfig { if _, err := executor.Parse(); err != nil { log.Errorln(err.Error()) fmt.Printf("configuration file %s test failed\n", C.Path.Config()) os.Exit(1) } fmt.Printf("configuration file %s test is successful\n", C.Path.Config()) return } var options []hub.Option if externalUI != "" { options = append(options, hub.WithExternalUI(externalUI)) } if externalController != "" { options = append(options, hub.WithExternalController(externalController)) } if secret != "" { options = append(options, hub.WithSecret(secret)) } if err := hub.Parse(options...); err != nil { log.Fatalln("Parse config error: %s", err.Error()) } termSign := make(chan os.Signal, 1) hupSign := make(chan os.Signal, 1) signal.Notify(termSign, syscall.SIGINT, syscall.SIGTERM) signal.Notify(hupSign, syscall.SIGHUP) for { select { case <-termSign: return case <-hupSign: if cfg, err := executor.ParseWithPath(C.Path.Config()); err == nil { executor.ApplyConfig(cfg, true) } else { log.Errorln("Parse config error: %s", err.Error()) } } } }