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88 lines
3.7 KiB
Python
88 lines
3.7 KiB
Python
# This file was contributed to the Volatility Framework Version 3.
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# Copyright (C) 2018 Volatility Foundation.
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#
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# THE LICENSED WORK IS PROVIDED UNDER THE TERMS OF THE Volatility Contributors
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# Public License V1.0("LICENSE") AS FIRST COMPLETED BY: Volatility Foundation,
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# Inc. ANY USE, PUBLIC DISPLAY, PUBLIC PERFORMANCE, REPRODUCTION OR DISTRIBUTION
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# OF, OR PREPARATION OF SUBSEQUENT WORKS, DERIVATIVE WORKS OR DERIVED WORKS BASED
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# ON, THE LICENSED WORK CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS LICENSE AND ITS
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# TERMS, WHETHER OR NOT SUCH RECIPIENT READS THE TERMS OF THE LICENSE. "LICENSED
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# WORK,” “RECIPIENT" AND “DISTRIBUTOR" ARE DEFINED IN THE LICENSE. A COPY OF THE
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# LICENSE IS LOCATED IN THE TEXT FILE ENTITLED "LICENSE.txt" ACCOMPANYING THE
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# CONTENTS OF THIS FILE. IF A COPY OF THE LICENSE DOES NOT ACCOMPANY THIS FILE, A
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# COPY OF THE LICENSE MAY ALSO BE OBTAINED AT THE FOLLOWING WEB SITE:
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# https://www.volatilityfoundation.org/license/vcpl_v1.0
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
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# specific language governing rights and limitations under the License.
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#
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from typing import Callable, Iterable, List
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import volatility.framework.interfaces.plugins as interfaces_plugins
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from volatility.framework import renderers, interfaces, contexts
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from volatility.framework.automagic import linux
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from volatility.framework.configuration import requirements
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from volatility.framework.objects import utility
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class PsList(interfaces_plugins.PluginInterface):
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"""Lists the processes present in a particular linux memory image"""
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@classmethod
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def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]:
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return [
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requirements.TranslationLayerRequirement(
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name = 'primary', description = 'Memory layer for the kernel', architectures = ["Intel32", "Intel64"]),
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requirements.SymbolTableRequirement(name = "vmlinux", description = "Linux kernel symbols")
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]
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@classmethod
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def create_pid_filter(cls, pid_list: List[int] = None) -> Callable[[int], bool]:
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# FIXME: mypy #4973 or #2608
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pid_list = pid_list or []
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filter_list = [x for x in pid_list if x is not None]
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if filter_list:
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def filter_func(x):
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return x.pid not in filter_list
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return filter_func
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else:
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return lambda _: False
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def _generator(self):
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for task in self.list_tasks(
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self.context,
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self.config['primary'],
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self.config['vmlinux'],
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filter_func = self.create_pid_filter([self.config.get('pid', None)])):
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pid = task.pid
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ppid = 0
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if task.parent:
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ppid = task.parent.pid
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name = utility.array_to_string(task.comm)
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yield (0, (pid, ppid, name))
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@classmethod
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def list_tasks(cls,
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context: interfaces.context.ContextInterface,
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layer_name: str,
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vmlinux_symbols: str,
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filter_func: Callable[[int], bool] = lambda _: False
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) -> Iterable[interfaces.objects.ObjectInterface]:
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"""Lists all the tasks in the primary layer"""
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linux.LinuxUtilities.aslr_mask_symbol_table(context, vmlinux_symbols, layer_name)
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vmlinux = contexts.Module(context, vmlinux_symbols, layer_name, 0, absolute_symbol_addresses = True)
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init_task = vmlinux.object(symbol_name = "init_task")
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for task in init_task.tasks:
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if not filter_func(task):
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yield task
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def run(self):
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return renderers.TreeGrid([("PID", int), ("PPID", int), ("COMM", str)], self._generator())
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