diff options
Diffstat (limited to 'toys/other/pwgen.c')
| -rw-r--r-- | toys/other/pwgen.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/toys/other/pwgen.c b/toys/other/pwgen.c index 73627561..ded3df89 100644 --- a/toys/other/pwgen.c +++ b/toys/other/pwgen.c @@ -8,23 +8,21 @@ config PWGEN bool "pwgen" default y help - usage: pwgen [-cAn0yrsBhC1v] [LENGTH] [COUNT] + usage: pwgen [-cAn0yrsBC1v] [-r CHARS] [LENGTH] [COUNT] - Generate human-readable random passwords. When output is to tty produces - a screenfull to defeat shoulder surfing (pick one and clear the screen). + Generate human-readable random passwords. Default output to tty fills screen + with passwords to defeat shoulder surfing (pick one and clear the screen). - -c --capitalize Permit capital letters. - -A --no-capitalize Don't include capital letters. - -n --numerals Permit numbers. - -0 --no-numerals Don't include numbers. - -y --symbols Permit special characters ($#%...). - -r <chars> --remove=<chars> Don't include the given characters. - -s --secure Generate more random passwords. - -B --ambiguous Avoid ambiguous characters (e.g. 0, O). - -h --help Print this help message. - -C Print the output in columns. - -1 Print the output one line each. - -v Don't include vowels. + -0 No numbers (--no-numerals) + -1 Output one per line + -A No capital letters (--no-capitalize) + -B Avoid ambiguous characters like 0O and 1lI (--ambiguous) + -C Output in columns + -c Add capital letters (--capitalize) + -n Add numbers (--numerals) + -r Don't include the given CHARS (--remove) + -v No vowels. + -y Add punctuation (--symbols) */ #define FOR_pwgen @@ -52,8 +50,8 @@ void pwgen_main(void) for (ii = 0; ii<length;) { // Don't fetch more random than necessary, give each byte 2 tries to fit if (!rand) xgetrandom(randbuf, rand = sizeof(randbuf)); - c = 33+randbuf[--rand]%93; // remainder 69 makes >102 less likely - if (FLAG(s)) randbuf[rand] = 0; + c = 33+randbuf[--rand]%94; // remainder 67 makes >102 less likely + randbuf[rand] = 0; if (c>='A' && c<='Z') { if (FLAG(A)) continue; |