Module: Msf::OptCondition

Defined in:
lib/msf/core/opt_condition.rb

Class Method Summary collapse

Class Method Details

.eval_condition(left_value, operator, right_value) ⇒ Object

Check a condition's result


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# File 'lib/msf/core/opt_condition.rb', line 6

def self.eval_condition(left_value, operator, right_value)
  case operator.to_sym
  when :==
    right_value == left_value
  when :!=
    right_value != left_value
  when :in
    right_value.include?(left_value)
  when :nin
    !right_value.include?(left_value)
  end
end

.show_option(mod, opt) ⇒ Object

Check an OPTION conditions. This function supports dump_options()


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# File 'lib/msf/core/opt_condition.rb', line 21

def self.show_option(mod, opt)
  return true if opt.conditions.empty?

  left_source = opt.conditions[0]
  operator = opt.conditions[1]
  right_value = opt.conditions[2]
  if left_source == 'ACTION'
    left_value = mod.action ? mod.action.name.to_s : nil
  elsif left_source == 'TARGET'
    left_value = mod.target.name.to_s
  else
    left_value = mod.datastore[left_source] || opt.default
  end

  show = eval_condition(left_value, operator, right_value)
  show ||= eval_condition(left_value.to_s, operator, right_value) if left_value.is_a?(Symbol)
  show
end