#
#--
# Ronin Exploits - A Ruby library for Ronin that provides exploitation and
# payload crafting functionality.
#
# Copyright (c) 2006-2009 Hal Brodigan (postmodern.mod3 at gmail.com)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#++
#

require 'ronin/extensions/meta'

module Ronin
  module Exploits
    module Exploitable
      def self.included(base)
        base.metaclass_eval do
          #
          # Returns the Hash of the exploit names and the +Proc+
          # objects used to generate various Exploit objects.
          #
          def exploit_generators
            @ronin_exploit_generators ||= {}
          end

          def each_exploit_generator(&block)
            self.class.ancestors.each do |super_class|
              if super_class.include?(Ronin::Exploits::Exploitable)
                super_class.exploit_generators.each(&block)
              end
            end
          end

          #
          # Registers a new exploit generator with the specified _name_
          # and the specified _block_ which will return an Array of
          # exploits.
          # 
          #   has_exploits :lfi do |url|
          #     ...
          #   end
          #
          def has_exploits(name,&block)
            self.exploit_generators[name.to_sym] = block

            return self
          end
        end
      end

      def exploits
        viable_exploits = []

        self.class.each_exploit_generator do |name,block|
          viable_exploits += block.call(self).select do |exp|
            exp.vulnerable?
          end
        end

        return viable_exploits
      end
    end
  end
end