Password generator

README

@@ -3,4 +3,5 @@ This repo contains various scripts which I figure could be useful to someone.
 	backup/		A set of backup scripts
 	ban-ssh-morons/	A "SSH bruteforce attempts to iptables blacklist" daemon
 
+See README.OtherScripts for scripts too small to deserve their own directory.
 License: WTFPL (http://sam.zoy.org/wtfpl/)

README.OtherScripts

@@ -0,0 +1,9 @@
+make-password.pl
+-----------------
+
+Generates a random password. Usage:
+
+	perl make-password.pl [simple] [<length>]
+
+"simple" indicates that the password should consist of alphanumeric characters
+only. If no length is specified, the default is 13.

make-password.pl

@@ -0,0 +1,32 @@
+#!/usr/bin/perl
+
+use strict;
+
+sub genPassword
+{
+	my $len = shift;
+	my $simple = shift;
+        my @characters;
+	@characters = ( 'A' .. 'Z' , 'a' .. 'z' , '0' .. '9' );
+	unless ( $simple ) {
+		@characters = ( @characters ,
+			'!' , '=' , '+' , '-' , '/' , '*' , '.' ,
+			'(' , ')' , '[' , ']' , '{' , '}' );
+	}
+	while ( @characters < $len * 2 ) {
+		@characters = ( @characters , @characters );
+	}
+        for ( my $i = 0 ; $i < 10 ; $i ++ ) {
+                @characters = sort { int( rand() * 3 ) - 1 } @characters;
+        }
+        return join( '' , @characters[ 0 .. ( $len - 1 ) ] );
+}
+
+my $mlen = 13;
+my $simple = 0;
+if ( $ARGV[0] eq 'simple' ) {
+	shift @ARGV;
+	$simple = 1;
+}
+$mlen = int( $ARGV[0] ) if $ARGV[0];
+print genPassword( $mlen , $simple ) . "\n";