Files
volatility3/volatility/framework/plugins/linux/pslist.py
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66 lines
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Python

from typing import Callable, Iterable, List
import volatility.framework.interfaces.plugins as interfaces_plugins
from volatility.framework import renderers, interfaces
from volatility.framework.automagic import linux
from volatility.framework.configuration import requirements
from volatility.framework.objects import utility
class PsList(interfaces_plugins.PluginInterface):
"""Lists the processes present in a particular linux memory image"""
@classmethod
def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]:
return [
requirements.TranslationLayerRequirement(
name = 'primary', description = 'Kernel Address Space', architectures = ["Intel32", "Intel64"]),
requirements.SymbolRequirement(name = "vmlinux", description = "Linux Kernel")
]
@classmethod
def create_filter(cls, pid_list: List[int] = None) -> Callable[[int], bool]:
# FIXME: mypy #4973 or #2608
pid_list = pid_list or []
filter_list = [x for x in pid_list if x is not None]
if filter_list:
def filter_func(x):
return x not in filter_list
return filter_func
else:
return lambda _: False
def _generator(self):
for task in self.list_tasks(
self.context,
self.config['primary'],
self.config['vmlinux'],
filter = self.create_filter([self.config.get('pid', None)])):
pid = task.pid
ppid = 0
if task.parent:
ppid = task.parent.pid
name = utility.array_to_string(task.comm)
yield (0, (pid, ppid, name))
@classmethod
def list_tasks(cls,
context: interfaces.context.ContextInterface,
layer_name: str,
vmlinux_symbols: str,
filter: Callable[[int], bool] = lambda _: False) -> Iterable[interfaces.objects.ObjectInterface]:
"""Lists all the tasks in the primary layer"""
_, aslr_shift = linux.LinuxUtilities.find_aslr(context, vmlinux_symbols, layer_name)
vmlinux = context.module(vmlinux_symbols, layer_name, aslr_shift)
init_task = vmlinux.object(symbol_name = "init_task")
for task in init_task.tasks:
if not filter(task):
yield task
def run(self):
return renderers.TreeGrid([("PID", int), ("PPID", int), ("COMM", str)], self._generator())