# File drb/acl.rb, line 13
    def initialize(str)
      if str == '*' or str == 'all'
        @pat = [:all]
      elsif str.include?('*')
        @pat = [:name, dot_pat(str)]
      else
        begin
          @pat = [:ip, IPAddr.new(str)]
        rescue ArgumentError
          @pat = [:name, dot_pat(str)]
        end
      end
    end

# File drb/acl.rb, line 42
    def match(addr)
      case @pat[0]
      when :all
        true
      when :ip
        begin
          ipaddr = IPAddr.new(addr[3])
          ipaddr = ipaddr.ipv4_mapped if @pat[1].ipv6? && ipaddr.ipv4?
        rescue ArgumentError
          return false
        end
        (@pat[1].include?(ipaddr)) ? true : false
      when :name
        (@pat[1] =~ addr[2]) ? true : false
      else
        false
      end
    end