From 57345629971f105ce38b95a8d7708a7fe258f05f Mon Sep 17 00:00:00 2001
From: Andrew Case <acase@volexity.com>
Date: Fri, 14 Aug 2020 14:42:29 -0500
Subject: [PATCH] Add mac.mount plugin

---
 volatility/framework/plugins/mac/mount.py | 57 +++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 volatility/framework/plugins/mac/mount.py

diff --git a/volatility/framework/plugins/mac/mount.py b/volatility/framework/plugins/mac/mount.py
new file mode 100644
index 000000000..36b368cfe
--- /dev/null
+++ b/volatility/framework/plugins/mac/mount.py
@@ -0,0 +1,57 @@
+# This file is Copyright 2019 Volatility Foundation and licensed under the Volatility Software License 1.0
+# which is available at https://www.volatilityfoundation.org/license/vsl-v1.0
+#
+"""A module containing a collection of plugins that produce data typically
+found in Mac's mount command."""
+from volatility.framework import renderers, interfaces, contexts
+from volatility.framework.configuration import requirements
+from volatility.framework.interfaces import plugins
+from volatility.framework.objects import utility
+from volatility.framework.renderers import format_hints
+from volatility.framework.symbols import mac
+
+class Mount(plugins.PluginInterface):
+    """A module containing a collection of plugins that produce data typically
+    foundin Mac's mount command"""
+
+    _version = (1, 0, 0)
+
+    @classmethod
+    def get_requirements(cls):
+        return [
+            requirements.TranslationLayerRequirement(name = 'primary',
+                                                     description = 'Memory layer for the kernel',
+                                                     architectures = ["Intel32", "Intel64"]),
+            requirements.SymbolTableRequirement(name = "darwin", description = "Mac kernel symbols")
+        ]
+
+    @classmethod
+    def list_mounts(cls, context: interfaces.context.ContextInterface, layer_name: str, darwin_symbols: str):
+        """Lists all the mount structures in the primary layer.
+
+        Args:
+            context: The context to retrieve required elements (layers, symbol tables) from
+            layer_name: The name of the layer on which to operate
+            darwin_symbols: The name of the table containing the kernel symbols
+
+        Returns:
+            A list of mount structures from the `layer_name` layer
+        """
+        kernel = contexts.Module(context, darwin_symbols, layer_name, 0)
+
+        list_head = kernel.object_from_symbol(symbol_name = "mountlist")
+
+        for mount in mac.MacUtilities.walk_tailq(list_head, "mnt_list"):
+            yield mount
+        
+    def _generator(self):
+        for mount in self.list_mounts(self.context, self.config['primary'], self.config['darwin']):
+            vfs = mount.mnt_vfsstat
+            device_name = utility.array_to_string(vfs.f_mntonname)
+            mount_point = utility.array_to_string(vfs.f_mntfromname)
+            mount_type  = utility.array_to_string(vfs.f_fstypename)
+
+            yield 0, (device_name, mount_point, mount_type)
+
+    def run(self):
+        return renderers.TreeGrid([("Device", str), ("Mount Point", str), ("Type", str)], self._generator())