nog hippere versie

pwdmake/pwdmake.rb

@@ -0,0 +1,101 @@
+#!/usr/bin/env ruby
+
+# $Id$
+# $URL$
+
+require "getoptlong"
+
+def parse_options
+	@options = {}
+	begin
+		opts = GetoptLong.new(
+			[ "-c",			GetoptLong::REQUIRED_ARGUMENT ],
+			[ "-l",			GetoptLong::REQUIRED_ARGUMENT ],
+			[ "-s",			GetoptLong::REQUIRED_ARGUMENT ],
+			[ "-h",			GetoptLong::NO_ARGUMENT ]
+		)
+		opts.quiet=true
+		opts.each do |opt, arg|
+			@options[opt] = arg
+		end
+		if @options["-h"]
+			usage
+		end
+	rescue GetoptLong::InvalidOption
+		print "#{$!}\n"
+		usage
+	end
+	# default values
+	if @options["-s"].nil?
+		@options["-s"] = "s"
+	end
+	if @options["-l"].nil?
+		@options["-l"] = 8
+	end
+	if @options["-c"].nil?
+		@options["-c"] = 8
+	end
+	return @options
+end
+
+
+def usage
+	print <<XXX
+Usage: pwdmake.rb [-c <count>] [-l <length>] [-h] [-s <s|p|t>]
+
+-c <count>	generate this many passwords (default: 8)
+-l <length>	generate passwords of this length (default: 8)
+-s <s|p|t>	use character set for [S]MS, [P]aper, [T]elephone (default: s)
+-h              this help message
+XXX
+	exit
+end
+
+def random_string(len)
+	rand_set_max = @rand_chars.size
+	rand_max = @rand_chars[0].size
+	ret = ""
+	lastpos = -1
+	pos = -1
+	len.times{
+		while pos == lastpos
+			pos = rand(rand_max)
+		end
+		lastpos = pos
+		char = @rand_chars[rand(rand_set_max)][pos]
+		if @options["-s"] == "s" && char.chr == '*'
+			spec_max = @spec_chars.size
+			char = @spec_chars[rand(spec_max)]
+		end
+		ret << char
+	}
+	ret
+end
+
+@rand_chars = Array.new
+@spec_chars = ""
+
+parse_options
+
+case @options["-s"]
+	# SMS Chars. Available with 1 keypress.
+	when "s"
+		@rand_chars = [ "ADGJMPTW*",
+				"adgjmptw*",
+				"23456789*" ]
+		@spec_chars = ",-?!@:;/()"
+	# Paper chars. No l1I, 0O, g9
+	when "p"
+		@rand_chars = [ "ABCDEFGHJKMNPQRSTUVWXYZabcefhjkmnpqrstuvwxyz2345678!@$%^&*" ]
+	# Telephone class. No mn, akh and none of the paper chars stuff.
+	when "t"
+		@rand_chars = [ "BCDEFGJPQRSTUVWXYZbcefjpqrstuvwxyz2345678!@$%^&*" ]
+	else
+		puts "Charater set '#{@options["-s"]}' unknown"
+		exit
+end
+
+(1 .. @options["-c"].to_i).each {
+	puts random_string(@options["-l"].to_i)
+}
+