refs #200 raise ValueError if an object doesn't have a name

volatility/framework/plugins/windows/driverirp.py

@@ -42,7 +42,7 @@ class DriverIrp(interfaces.plugins.PluginInterface):
 
             try:
                 driver_name = driver.get_driver_name()
-            except exceptions.InvalidAddressException:
+            except (ValueError, exceptions.InvalidAddressException):
                 driver_name = renderers.NotApplicableValue()
 
             for i, address in enumerate(driver.MajorFunction):

volatility/framework/plugins/windows/driverscan.py

@@ -54,7 +54,7 @@ class DriverScan(interfaces.plugins.PluginInterface):
 
             try:
                 driver_name = driver.get_driver_name()
-            except exceptions.InvalidAddressException:
+            except (ValueError, exceptions.InvalidAddressException):
                 driver_name = renderers.NotApplicableValue()
 
             try:

volatility/framework/plugins/windows/handles.py

@@ -319,7 +319,7 @@ class Handles(interfaces.plugins.PluginInterface):
                     else:
                         try:
                             obj_name = entry.NameInfo.Name.String
-                        except exceptions.InvalidAddressException:
+                        except (ValueError, exceptions.InvalidAddressException):
                             obj_name = ""
 
                 except (exceptions.InvalidAddressException):

volatility/framework/plugins/windows/mutantscan.py

@@ -52,7 +52,7 @@ class MutantScan(interfaces.plugins.PluginInterface):
 
             try:
                 name = mutant.get_name()
-            except exceptions.InvalidAddressException:
+            except (ValueError, exceptions.InvalidAddressException):
                 name = renderers.NotApplicableValue()
 
             yield (0, (format_hints.Hex(mutant.vol.offset), name))

volatility/framework/plugins/windows/symlinkscan.py

@@ -53,7 +53,7 @@ class SymlinkScan(interfaces.plugins.PluginInterface, timeliner.TimeLinerInterfa
 
             try:
                 from_name = link.get_link_name()
-            except exceptions.InvalidAddressException:
+            except (ValueError, exceptions.InvalidAddressException):
                 continue
 
             try:

volatility/framework/symbols/windows/extensions/__init__.py

@@ -362,7 +362,10 @@ class FILE_OBJECT(objects.StructType, pool.ExecutiveObject):
         name = renderers.UnreadableValue()  # type: Union[str, interfaces.renderers.BaseAbsentValue]
 
         if self._context.layers[self.vol.layer_name].is_valid(self.DeviceObject):
-            name = "\\Device\\{}".format(self.DeviceObject.get_device_name())
+            try:
+                name = "\\Device\\{}".format(self.DeviceObject.get_device_name())
+            except ValueError:
+                pass
 
         try:
             name += self.FileName.String

volatility/framework/symbols/windows/extensions/pool.py

@@ -294,6 +294,11 @@ class OBJECT_HEADER(objects.StructType):
                                                  layer_name = self.vol.native_layer_name,
                                                  offset = kvo + address + calculated_index)
 
+        if header_offset == 0:
+            raise ValueError(
+                "Could not find _OBJECT_HEADER_NAME_INFO for object at {} of layer {}".format(self.vol.offset,
+                                                                                              self.vol.layer_name))
+
         header = self._context.object(symbol_table_name + constants.BANG + "_OBJECT_HEADER_NAME_INFO",
                                       layer_name = self.vol.layer_name,
                                       offset = self.vol.offset - header_offset,