gen pass

gen_pass.go

package main

import (
	"fmt"
	"math/rand"
	"time"
	"flag"
)

func getRandomStrings(str_len int) string {
	const str_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz&$|#@*_"
	rand.Seed(time.Now().UTC().UnixNano());
	data := make([]byte, str_len);
	for i := 0; i < str_len; i++ {
		data[i] = str_chars[rand.Intn(len(str_chars))];
	}
	return string(data)
}

func generatePassword(vargs ...interface{}) string {
	if len(vargs) > 0 && vargs[0].(string) != "" {
		return vargs[0].(string) + "SALT"
	}
	return getRandomStrings(10) + "SALT";
}

func main() {
	password := flag.String("p", "", "optional password")
	flag.Parse()

	pass := generatePassword(*password)
	fmt.Println(pass)
}