#!/usr/bin/env ruby

wordlist = []
while word = $stdin.gets
	wordlist.push(word) unless word.strip!.empty?
end
exit if wordlist.empty?

File.open('passwd') do |passwd|
	passwd.each_line { |line|
		if line =~ /^([\w-]+):(..)(.*):\d+:\d+:.*:.*:.*$/

			acct, seed, hash = $1, $2, $3

			wordlist.each { |word|
				if "#{seed}#{hash}" == word.crypt(seed)

					puts "#{acct} : #{word}"
					break
				end
			}
		end
	}
end