package backend import ( "log" "os" "0xacab.org/leap/bitmask-vpn/pkg/bitmask" "0xacab.org/leap/bitmask-vpn/pkg/config" "0xacab.org/leap/bitmask-vpn/pkg/config/version" "0xacab.org/leap/bitmask-vpn/pkg/pid" ) // initializeContext initializes an empty connStatus and assigns it to the // global ctx holder. This is expected to be called only once, so the public // api uses the sync.Once primitive to call this. func initializeContext(opts *InitOpts) { var st status = off // TODO - now there's really no need to dance between opts and config anymore // but this was the simplest transition. We should probably keep the multi-provider config in the backend too, and just // switch the "active" here in the ctx, after the user has selected one in the combobox. ctx = &connectionCtx{ AppName: opts.ProviderOptions.AppName, Provider: opts.ProviderOptions.Provider, TosURL: opts.ProviderOptions.TosURL, HelpURL: opts.ProviderOptions.HelpURL, DonateURL: opts.ProviderOptions.DonateURL, AskForDonations: opts.ProviderOptions.AskForDonations, DonateDialog: false, Version: version.VERSION, Status: st, } errCh := make(chan string) go trigger(OnStatusChanged) go checkErrors(errCh) initializeBitmask(errCh, opts) } func checkErrors(errCh chan string) { for { err := <-errCh // TODO consider a queue instead ctx.Errors = err go trigger(OnStatusChanged) } } func initializeBitmask(errCh chan string, opts *InitOpts) { if ctx == nil { log.Println("bug: cannot initialize bitmask, ctx is nil!") os.Exit(1) } bitmask.InitializeLogger() ctx.cfg = config.ParseConfig() setConfigOpts(opts, ctx.cfg) err := pid.AcquirePID() if err != nil { log.Println("Error acquiring PID:", err) errCh <- err.Error() return } b, err := bitmask.InitializeBitmask(ctx.cfg) if err != nil { log.Println("error: cannot initialize bitmask") errCh <- err.Error() return } ctx.autostart = initializeAutostart(ctx.cfg) helpers, privilege, err := b.VPNCheck() if err != nil { log.Println("error doing vpn check") errCh <- err.Error() } if helpers == false { log.Println("no helpers") errCh <- "nohelpers" } if privilege == false { log.Println("no polkit") errCh <- "nopolkit" } ctx.bm = b } func setConfigOpts(opts *InitOpts, conf *config.Config) { conf.SkipLaunch = opts.SkipLaunch if opts.StartVPN != "" { if opts.StartVPN != "on" && opts.StartVPN != "off" { log.Println("-start-vpn should be 'on' or 'off'") } else { conf.StartVPN = opts.StartVPN == "on" } } if opts.Obfs4 { conf.Obfs4 = opts.Obfs4 } if opts.DisableAutostart { conf.DisableAustostart = opts.DisableAutostart } } func initializeAutostart(conf *config.Config) bitmask.Autostart { autostart := bitmask.NewAutostart(config.ApplicationName, "") if conf.SkipLaunch || conf.DisableAustostart { autostart.Disable() autostart = &bitmask.DummyAutostart{} } err := autostart.Enable() if err != nil { log.Printf("Error enabling autostart: %v", err) } return autostart }