From af2d6206763a661ced9687f1c7b31b7888d3d0ce Mon Sep 17 00:00:00 2001
From: k1nd0ne <k1nd0ne@mail.com>
Date: Tue, 23 Jul 2024 22:02:34 +0200
Subject: [PATCH] Improving lsof

---
 volatility3/framework/plugins/linux/lsof.py   | 53 +++++++++++++++++--
 .../framework/symbols/linux/__init__.py       | 21 +++++++-
 2 files changed, 69 insertions(+), 5 deletions(-)

diff --git a/volatility3/framework/plugins/linux/lsof.py b/volatility3/framework/plugins/linux/lsof.py
index d970ad8a9..f9aeafe14 100644
--- a/volatility3/framework/plugins/linux/lsof.py
+++ b/volatility3/framework/plugins/linux/lsof.py
@@ -3,7 +3,7 @@
 #
 """A module containing a collection of plugins that produce data typically
 found in Linux's /proc file system."""
-import logging
+import logging, datetime
 from typing import List, Callable
 
 from volatility3.framework import renderers, interfaces, constants
@@ -76,14 +76,59 @@ class Lsof(plugins.PluginInterface):
         )
 
         for pid, task_comm, _task, fd_fields in fds_generator:
-            fd_num, _filp, full_path = fd_fields
+            (
+                fd_num,
+                _filp,
+                full_path,
+                inode_num,
+                imode,
+                ctime,
+                mtime,
+                atime,
+                file_size,
+            ) = fd_fields
 
-            fields = (pid, task_comm, fd_num, full_path)
+            fields = (
+                pid,
+                task_comm,
+                fd_num,
+                full_path,
+                inode_num,
+                imode,
+                ctime,
+                mtime,
+                atime,
+                file_size,
+            )
             yield (0, fields)
 
     def run(self):
         pids = self.config.get("pid", None)
         symbol_table = self.config["kernel"]
 
-        tree_grid_args = [("PID", int), ("Process", str), ("FD", int), ("Path", str)]
+        tree_grid_args = [
+            ("PID", int),
+            ("Process", str),
+            ("FD", int),
+            ("Path", str),
+            ("Inode", int),
+            ("Mode", str),
+            ("LastChange", datetime.datetime),
+            ("LastModify", datetime.datetime),
+            ("LastAccessed", datetime.datetime),
+            ("Size", int),
+        ]
         return renderers.TreeGrid(tree_grid_args, self._generator(pids, symbol_table))
+
+    def generate_timeline(self):
+        filter_func = pslist.PsList.create_pid_filter(self.config.get("pid", None))
+        for row in self._generator(
+            pslist.PsList.list_tasks(
+                self.context, self.config["kernel"], filter_func=filter_func
+            )
+        ):
+            _depth, row_data = row
+            description = f'Process {row_data[1]} ({row_data[0]}) Open "{row_data[4]}"'
+            yield description, timeliner.TimeLinerType.CHANGED, row_data[5]
+            yield description, timeliner.TimeLinerType.MODIFIED, row_data[6]
+            yield description, timeliner.TimeLinerType.ACCESSED, row_data[7]
diff --git a/volatility3/framework/symbols/linux/__init__.py b/volatility3/framework/symbols/linux/__init__.py
index c4e2587f4..b9321f369 100644
--- a/volatility3/framework/symbols/linux/__init__.py
+++ b/volatility3/framework/symbols/linux/__init__.py
@@ -1,6 +1,7 @@
 # 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
 #
+import stat, datetime
 from typing import Iterator, List, Tuple, Optional, Union
 
 from volatility3 import framework
@@ -265,8 +266,26 @@ class LinuxUtilities(interfaces.configuration.VersionableInterface):
         for fd_num, filp in enumerate(fds):
             if filp != 0:
                 full_path = LinuxUtilities.path_for_file(context, task, filp)
+                dentry = filp.get_dentry()
+                if dentry != 0:
+                    inode_object = dentry.d_inode
+                    inode_num = inode_object.i_ino
+                    file_size = inode_object.i_size  # file size in bytes
+                    imode = stat.filemode(
+                        inode_object.i_mode
+                    )  # file type & Permissions
 
-                yield fd_num, filp, full_path
+                    # Timestamps
+                    ctime = datetime.datetime.fromtimestamp(
+                        inode_object.i_ctime.tv_sec
+                    )  # last change time
+                    mtime = datetime.datetime.fromtimestamp(
+                        inode_object.i_mtime.tv_sec
+                    )  # last modify time
+                    atime = datetime.datetime.fromtimestamp(
+                        inode_object.i_atime.tv_sec
+                    )  # last access time
+                yield fd_num, filp, full_path, inode_num, imode, ctime, mtime, atime, file_size
 
     @classmethod
     def mask_mods_list(