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