mirror of
https://github.com/wneessen/apg-go.git
synced 2024-09-19 19:32:47 +02:00
Winni Neessen
d28b0645fd
The usage message has been updated in apg.go to improve its clarity and usefulness. Changes include displaying the version number dynamically, providing the project's GitHub link, changing the term 'options' to 'flags', and more precise terminology in descriptions. Also, formatting has been adjusted to improve readability.
108 lines
4 KiB
Go
108 lines
4 KiB
Go
// Package main is the APG command line client that makes use of the apg-go library
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package main
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import (
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"flag"
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"fmt"
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"os"
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"github.com/wneessen/apg-go"
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)
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func main() {
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c := apg.NewConfig()
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// Configure and parse the CLI flags
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// See usage() for flag details
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var ms string
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var co, hr, lc, nu, sp, uc bool
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flag.BoolVar(&lc, "L", false, "")
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flag.BoolVar(&uc, "U", false, "")
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flag.BoolVar(&nu, "N", false, "")
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flag.BoolVar(&sp, "S", false, "")
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flag.BoolVar(&co, "C", false, "")
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flag.BoolVar(&hr, "H", false, "")
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flag.Int64Var(&c.FixedLength, "f", 0, "")
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flag.Int64Var(&c.MinLength, "m", c.MinLength, "")
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flag.Int64Var(&c.MaxLength, "x", c.MaxLength, "")
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flag.StringVar(&ms, "M", "", "")
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flag.Int64Var(&c.NumberPass, "n", c.NumberPass, "")
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flag.Usage = usage
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flag.Parse()
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// Old style character modes
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if hr {
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c.Mode = apg.MaskToggleMode(c.Mode, apg.ModeHumanReadable)
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}
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if lc {
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c.Mode = apg.MaskToggleMode(c.Mode, apg.ModeLowerCase)
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}
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if uc {
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c.Mode = apg.MaskToggleMode(c.Mode, apg.ModeUpperCase)
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}
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if nu {
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c.Mode = apg.MaskToggleMode(c.Mode, apg.ModeNumber)
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}
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if sp {
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c.Mode = apg.MaskToggleMode(c.Mode, apg.ModeSpecial)
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}
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if co {
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c.Mode = apg.MaskSetMode(c.Mode, apg.ModeLowerCase|apg.ModeNumber|
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apg.ModeSpecial|apg.ModeUpperCase)
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c.Mode = apg.MaskClearMode(c.Mode, apg.ModeHumanReadable)
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}
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// New style character modes (has higher priority than the old style modes)
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if ms != "" {
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c.Mode = apg.ModesFromFlags(ms)
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}
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// Generate the password based on the given flags
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g := apg.New(c)
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for i := int64(0); i < c.NumberPass; i++ {
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pl, err := g.GetPasswordLength()
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if err != nil {
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_, _ = fmt.Fprintf(os.Stderr, "Error during password generation: %s\n", err)
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}
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fmt.Printf("PW length: %d\n", pl)
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}
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}
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// usage is used by the flag package to display the CLI usage message
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func usage() {
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// Usage text
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const ut = `apg-go v` +
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apg.VERSION + "\n" +
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`A OSS "Automated Password Generator"-clone -- https://github.com/wneessen/apg-go/
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Created 2021-2023 by Winni Neessen (MIT licensed)
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apg [-a <algo>] [-m <length>] [-x <length>] [-L] [-U] [-N] [-S] [-H] [-C]
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[-l] [-M mode] [-E char_string] [-n num_of_pass] [-v] [-h] [-t]
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Flags:
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-a ALGORITH Choose the password generation algorithm (Default: 1)
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- 0: pronounceable password generation (koremutake syllables)
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- 1: random password generation according to password modes/flags
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-m LENGTH Minimum length of the password to be generated (Default: 12)
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-x LENGTH Maximum length of the password to be generated (Default: 20)
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-f LENGTH Fixed length of the password to be generated (Ignores -m and -x)
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-n NUMBER Amount of password to be generated (Default: 6)
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-E CHARS List of characters to be excluded in the generated password
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-M [LUNSHClunshc] New style password flags
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- Note: new-style flags have higher priority than any of the old-style flags
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-L Toggle lower case characters in passwords (Default: on)
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-U Toggle upper case characters in passwords (Default: on)
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-N Toggle numeric characters in passwords (Default: on)
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-S Toggle special characters in passwords (Default: off)
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-H Avoid ambiguous characters in passwords (i. e.: 1, l, I, O, 0) (Default: off)
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-C Enable complex password mode (implies -L -U -N -S and disables -H)
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- Note: this flag has higher priority than the other old-style flags
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-l Spell generated passwords in phonetic alphabet (Default: off)
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-p Check the HIBP database if the generated passwords was found in a leak before (Default: off)
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- Note: this feature requires internet connectivity
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-h Show this help text
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-v Show version string`
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_, _ = os.Stderr.WriteString(ut + "\n\n")
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}
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