118 lines
2.5 KiB
Go
118 lines
2.5 KiB
Go
package main
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import (
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crypto_rand "crypto/rand"
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"encoding/binary"
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"flag"
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"fmt"
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"math/rand"
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"os"
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"sync"
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"github.com/facebookgo/pidfile"
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"github.com/jedisct1/dlog"
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"github.com/kardianos/service"
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)
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const (
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AppVersion = "2.0.31"
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DefaultConfigFileName = "dnscrypt-proxy.toml"
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)
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type App struct {
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wg sync.WaitGroup
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quit chan struct{}
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proxy *Proxy
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}
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func main() {
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dlog.Init("dnscrypt-proxy", dlog.SeverityNotice, "DAEMON")
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os.Setenv("GODEBUG", os.Getenv("GODEBUG")+",tls13=1")
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seed := make([]byte, 8)
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crypto_rand.Read(seed)
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rand.Seed(int64(binary.LittleEndian.Uint64(seed[:])))
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pwd, err := os.Getwd()
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if err != nil {
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dlog.Fatal("Unable to find the path to the current directory")
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}
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svcConfig := &service.Config{
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Name: "dnscrypt-proxy",
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DisplayName: "DNSCrypt client proxy",
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Description: "Encrypted/authenticated DNS proxy",
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WorkingDirectory: pwd,
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}
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svcFlag := flag.String("service", "", fmt.Sprintf("Control the system service: %q", service.ControlAction))
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app := &App{}
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svc, err := service.New(app, svcConfig)
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if err != nil {
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svc = nil
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dlog.Debug(err)
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}
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app.proxy = NewProxy()
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_ = ServiceManagerStartNotify()
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if err := ConfigLoad(app.proxy, svcFlag); err != nil {
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dlog.Fatal(err)
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}
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if len(*svcFlag) != 0 {
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if svc == nil {
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dlog.Fatal("Built-in service installation is not supported on this platform")
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}
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if err := service.Control(svc, *svcFlag); err != nil {
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dlog.Fatal(err)
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}
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if *svcFlag == "install" {
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dlog.Notice("Installed as a service. Use `-service start` to start")
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} else if *svcFlag == "uninstall" {
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dlog.Notice("Service uninstalled")
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} else if *svcFlag == "start" {
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dlog.Notice("Service started")
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} else if *svcFlag == "stop" {
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dlog.Notice("Service stopped")
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} else if *svcFlag == "restart" {
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dlog.Notice("Service restarted")
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}
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return
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}
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if svc != nil {
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if err = svc.Run(); err != nil {
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dlog.Fatal(err)
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}
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} else {
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app.Start(nil)
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}
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}
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func (app *App) Start(service service.Service) error {
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if err := app.proxy.InitPluginsGlobals(); err != nil {
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dlog.Fatal(err)
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}
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app.quit = make(chan struct{})
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app.wg.Add(1)
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if service != nil {
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go func() {
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app.AppMain()
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}()
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} else {
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app.AppMain()
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}
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return nil
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}
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func (app *App) AppMain() {
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pidfile.Write()
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app.proxy.StartProxy()
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<-app.quit
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dlog.Notice("Quit signal received...")
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app.wg.Done()
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}
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func (app *App) Stop(service service.Service) error {
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if pidFilePath := pidfile.GetPidfilePath(); len(pidFilePath) > 1 {
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os.Remove(pidFilePath)
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}
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dlog.Notice("Stopped.")
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return nil
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}
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