# -*- coding: binary -*-

module Msf::Session

module Scriptable

	def self.included(base)
		base.extend(ClassMethods)
	end

	module ClassMethods
		#
		# If the +script+ exists, return its path. Otherwise return nil
		#
		def find_script_path(script)
			# Find the full file path of the specified argument
			check_paths =
				[
					script,
					::File.join(script_base, "#{script}"),
					::File.join(script_base, "#{script}.rb"),
					::File.join(user_script_base, "#{script}"),
					::File.join(user_script_base, "#{script}.rb")
				]

			full_path = nil

			# Scan all of the path combinations
			check_paths.each { |path|
				if ::File.exists?(path)
					full_path = path
					break
				end
			}

			full_path
		end
		def script_base
			::File.join(Msf::Config.script_directory, self.type)
		end
		def user_script_base
			::File.join(Msf::Config.user_script_directory, self.type)
		end

	end

	#
	# Override
	#
	def execute_file
		raise NotImplementedError
	end

	#
	# Executes the supplied script or Post module with arguments +args+
	#
	# Will search the script path.
	#
	def execute_script(script_name, *args)
		mod = framework.modules.create(script_name)
		if (mod and mod.type == "post")
			# Don't report module run events here as it will be taken care of
			# in +Post.run_simple+
			opts = { 'SESSION' => self.sid }
			args.each do |arg|
				k,v = arg.split("=", 2)
				opts[k] = v
			end
			mod.run_simple(
				# Run with whatever the default stance is for now.  At some
				# point in the future, we'll probably want a way to force a
				# module to run in the background
				#'RunAsJob' => true,
				'LocalInput'  => self.user_input,
				'LocalOutput' => self.user_output,
				'Options'     => opts
			)
		else
			full_path = self.class.find_script_path(script_name)

			# No path found?  Weak.
			if full_path.nil?
				print_error("The specified script could not be found: #{script_name}")
				return true
			end
			framework.events.on_session_script_run(self, full_path)
			execute_file(full_path, args)
		end
	end

end

end