cmd/taillogin: delete it

Signed-off-by: wardn <wardn@users.noreply.github.com>

cmd/taillogin/taillogin.go

@@ -1,99 +0,0 @@
-// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// The taillogin command, invoked via the tailscale-login shell script, is shipped
-// with the current (old) Linux client, to log in to Tailscale on a Linux box.
-//
-// Deprecated: this will be deleted, to be replaced by cmd/tailscale.
-package main
-
-import (
-	"encoding/json"
-	"fmt"
-	"io/ioutil"
-	"log"
-	"os"
-
-	"github.com/pborman/getopt/v2"
-	"tailscale.com/atomicfile"
-	"tailscale.com/control/controlclient"
-	"tailscale.com/logpolicy"
-)
-
-func main() {
-	config := getopt.StringLong("config", 'f', "", "path to config file")
-	server := getopt.StringLong("server", 's', "https://login.tailscale.com", "URL to tailgate server")
-	getopt.Parse()
-	if len(getopt.Args()) > 0 {
-		log.Fatal("too many non-flag arguments")
-	}
-	if *config == "" {
-		log.Fatal("no --config file specified")
-	}
-	pol := logpolicy.New("tailnode.log.tailscale.io")
-	defer pol.Close()
-
-	cfg, err := loadConfig(*config)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	hi := controlclient.NewHostinfo()
-	hi.FrontendLogID = pol.PublicID.String()
-	hi.BackendLogID = pol.PublicID.String()
-
-	done := make(chan struct{}, 1)
-	c, err := controlclient.New(controlclient.Options{
-		Persist:   cfg,
-		ServerURL: *server,
-		Hostinfo:  hi,
-	})
-	if err != nil {
-		log.Fatal(err)
-	}
-	c.SetStatusFunc(func(new controlclient.Status) {
-		if new.URL != "" {
-			fmt.Fprintf(os.Stderr, "To authenticate, visit:\n\n\t%s\n\n", new.URL)
-			return
-		}
-		if new.Err != "" {
-			log.Print(new.Err)
-			return
-		}
-		if new.Persist != nil {
-			if err := saveConfig(*config, *new.Persist); err != nil {
-				log.Println(err)
-			}
-		}
-		if new.NetMap != nil {
-			done <- struct{}{}
-		}
-	})
-	c.Login(nil, 0)
-	<-done
-	log.Printf("Success.\n")
-}
-
-func loadConfig(path string) (cfg controlclient.Persist, err error) {
-	b, err := ioutil.ReadFile(path)
-	if os.IsNotExist(err) {
-		log.Printf("config %s does not exist", path)
-		return controlclient.Persist{}, nil
-	}
-	if err := json.Unmarshal(b, &cfg); err != nil {
-		return controlclient.Persist{}, fmt.Errorf("load config: %v", err)
-	}
-	return cfg, nil
-}
-
-func saveConfig(path string, cfg controlclient.Persist) error {
-	b, err := json.MarshalIndent(cfg, "", "\t")
-	if err != nil {
-		return fmt.Errorf("save config: %v", err)
-	}
-	if err := atomicfile.WriteFile(path, b, 0666); err != nil {
-		return fmt.Errorf("save config: %v", err)
-	}
-	return nil
-}