mirror of
https://github.com/wneessen/apg-go.git
synced 2024-11-14 09:52:55 +01:00
98 lines
3.3 KiB
Go
98 lines
3.3 KiB
Go
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"github.com/wneessen/apg-go/chars"
|
|
"github.com/wneessen/apg-go/config"
|
|
"github.com/wneessen/apg-go/random"
|
|
"github.com/wneessen/apg-go/spelling"
|
|
"github.com/wneessen/go-hibp"
|
|
"log"
|
|
"os"
|
|
"time"
|
|
)
|
|
|
|
const VersionString string = "0.4.0-dev"
|
|
|
|
// Help text
|
|
const usage = `apg-go // A "Automated Password Generator"-clone
|
|
Copyright (c) 2021 Winni Neessen
|
|
|
|
apg [-m <length>] [-x <length>] [-L] [-U] [-N] [-S] [-H] [-C]
|
|
[-l] [-M mode] [-E char_string] [-n num_of_pass] [-v] [-h]
|
|
|
|
Options:
|
|
-m LENGTH Minimum length of the password to be generated (Default: 12)
|
|
-x LENGTH Maximum length of the password to be generated (Default: 20)
|
|
-n NUMBER Amount of password to be generated (Default: 6)
|
|
-E CHARS List of characters to be excluded in the generated password
|
|
-M [LUNSHClunshc] New style password parameters (upper case: on, lower case: off)
|
|
-L Use lower case characters in passwords (Default: on)
|
|
-U Use upper case characters in passwords (Default: on)
|
|
-N Use numeric characters in passwords (Default: on)
|
|
-S Use special characters in passwords (Default: off)
|
|
-H Avoid ambiguous characters in passwords (i. e.: 1, l, I, O, 0) (Default: off)
|
|
-C Enable complex password mode (implies -L -U -N -S and disables -H) (Default: off)
|
|
-l Spell generated passwords in phonetic alphabet (Default: off)
|
|
-p Check the HIBP database if the generated passwords was found in a leak before (Default: off)
|
|
'--> this feature requires internet connectivity
|
|
-h Show this help text
|
|
-v Show version string`
|
|
|
|
// Main function that generated the passwords and returns them
|
|
func main() {
|
|
// Log configuration
|
|
log.SetFlags(log.Ltime | log.Ldate | log.Lshortfile)
|
|
|
|
// Read and parse flags
|
|
flag.Usage = func() { _, _ = fmt.Fprintf(os.Stderr, "%s\n", usage) }
|
|
var cfgObj = config.New()
|
|
|
|
// Show version and exit
|
|
if cfgObj.ShowVersion {
|
|
_, _ = os.Stderr.WriteString(`apg-go // A "Automated Password Generator"-clone v` + VersionString + "\n")
|
|
_, _ = os.Stderr.WriteString("(C) 2021 by Winni Neessen\n")
|
|
os.Exit(0)
|
|
}
|
|
|
|
// Set PW length and available characterset
|
|
charRange := chars.GetRange(&cfgObj)
|
|
|
|
// Generate passwords
|
|
for i := 1; i <= cfgObj.NumOfPass; i++ {
|
|
pwLength := config.GetPwLengthFromParams(&cfgObj)
|
|
pwString, err := random.GetChar(&charRange, pwLength)
|
|
if err != nil {
|
|
log.Fatalf("error generating random character range: %s\n", err)
|
|
}
|
|
|
|
switch cfgObj.OutputMode {
|
|
case 1:
|
|
{
|
|
spelledPw, err := spelling.String(pwString)
|
|
if err != nil {
|
|
log.Fatalf("error spelling out password: %s\n", err)
|
|
}
|
|
fmt.Printf("%v (%v)\n", pwString, spelledPw)
|
|
break
|
|
}
|
|
default:
|
|
{
|
|
fmt.Println(pwString)
|
|
break
|
|
}
|
|
}
|
|
|
|
if cfgObj.CheckHibp {
|
|
hc := hibp.New(hibp.WithHttpTimeout(time.Second*2), hibp.WithPwnedPadding())
|
|
pwnObj, _, err := hc.PwnedPassApi.CheckPassword(pwString)
|
|
if err != nil {
|
|
log.Printf("unable to check HIBP database: %v", err)
|
|
}
|
|
if pwnObj != nil && pwnObj.Count != 0 {
|
|
fmt.Print("^-- !!WARNING: The previously generated password was found in HIPB database. Do not use it!!\n")
|
|
}
|
|
}
|
|
}
|
|
}
|