Add in requirement checking to plugins.

volatility/framework/config.py

@@ -37,6 +37,7 @@ class ListRequirement(GenericRequirement):
         self.max_elements = max_elements
 
     def check_value(self, value, context):
+        """Check the types on each of the returned values and then call the element type's check for each one"""
         self._type_check(value, list)
         if not all([self._type_check(element, self.element_type) for element in value]):
             raise TypeError("At least one element in the list is not of the correct type.")

volatility/framework/interfaces/plugins.py

@@ -34,11 +34,12 @@ class PluginInterface(validity.ValidityRoutines, metaclass = ABCMeta):
 
     @abstractmethod
     def requirements(self):
-        """Returns a ConfigGroup object to contain the required options"""
+        """Returns a list of requirements options"""
         pass
 
     def check_requirements(self):
-        pass
+        for requirement in self.requirements():
+            requirement.check_value(requirement.value, self._context)
 
     @abstractmethod
     def __call__(self, context):