Remove mkpasswd from server

The functionality of mkpasswd has been added to nats-io/natscli.

.gitignore

@@ -42,7 +42,6 @@ _testmain.go
 # bin
 nats-server
 gnatsd
-/util/mkpasswd
 
 # coverage
 coverage.out

test/auth_test.go

@@ -169,7 +169,7 @@ func TestPasswordClientGoodConnect(t *testing.T) {
 // The bcrypt username/password version
 ////////////////////////////////////////////////////////////
 
-// Generated with util/mkpasswd (Cost 4 because of cost of --race, default is 11)
+// Generated with nats server passwd (Cost 4 because of cost of --race, default is 11)
 const BCRYPT_AUTH_PASS = "IW@$6v(y1(t@fhPDvf!5^%"
 const BCRYPT_AUTH_HASH = "$2a$04$Q.CgCP2Sl9pkcTXEZHazaeMwPaAkSHk7AI51HkyMt5iJQQyUA4qxq"
 

util/mkpasswd/mkpasswd.go

@@ -1,95 +0,0 @@
-// Copyright 2015-2018 The NATS Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// 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
-// limitations under the License.
-
-// +build ignore
-
-package main
-
-import (
-	"bytes"
-	"crypto/rand"
-	"flag"
-	"fmt"
-	"log"
-	"math/big"
-	"syscall"
-
-	"golang.org/x/crypto/bcrypt"
-	"golang.org/x/crypto/ssh/terminal"
-)
-
-func usage() {
-	fmt.Printf("Usage: mkpasswd [-p <stdin password>] [-c COST] \n")
-	flag.PrintDefaults()
-}
-
-const (
-	// Make sure the password is reasonably long to generate enough entropy.
-	PasswordLength = 22
-	// Common advice from the past couple of years suggests that 10 should be sufficient.
-	// Up that a little, to 11. Feel free to raise this higher if this value from 2015 is
-	// no longer appropriate. Min is bcrypt.MinCost, Max is bcrypt.MaxCost.
-	DefaultCost = 11
-)
-
-func main() {
-	var pw = flag.Bool("p", false, "Input password via stdin")
-	var cost = flag.Int("c", DefaultCost, fmt.Sprintf("The cost weight, range of %d-%d", bcrypt.MinCost, bcrypt.MaxCost))
-
-	log.SetFlags(0)
-	flag.Usage = usage
-	flag.Parse()
-
-	var password string
-
-	if *pw {
-		fmt.Printf("Enter Password: ")
-		bytePassword, err := terminal.ReadPassword(int(syscall.Stdin))
-		if err != nil {
-			log.Fatalf("Error reading password: %v\n", err)
-		}
-		fmt.Printf("\nReenter Password: ")
-		bytePassword2, err := terminal.ReadPassword(int(syscall.Stdin))
-		if err != nil {
-			log.Fatalf("Error reading password: %v\n", err)
-		}
-		if !bytes.Equal(bytePassword, bytePassword2) {
-			log.Fatalf("Error, passwords do not match\n")
-		}
-		password = string(bytePassword)
-		fmt.Printf("\n")
-	} else {
-		password = genPassword()
-		fmt.Printf("pass: %s\n", password)
-	}
-
-	cb, err := bcrypt.GenerateFromPassword([]byte(password), *cost)
-	if err != nil {
-		log.Fatalf("Error producing bcrypt hash: %v\n", err)
-	}
-	fmt.Printf("bcrypt hash: %s\n", cb)
-}
-
-func genPassword() string {
-	var ch = []byte("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@$#%^&*()")
-	b := make([]byte, PasswordLength)
-	max := big.NewInt(int64(len(ch)))
-	for i := range b {
-		ri, err := rand.Int(rand.Reader, max)
-		if err != nil {
-			log.Fatalf("Error producing random integer: %v\n", err)
-		}
-		b[i] = ch[int(ri.Int64())]
-	}
-	return string(b)
-}