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56 lines
2.3 KiB
Python
56 lines
2.3 KiB
Python
# This file is Copyright 2019 Volatility Foundation and licensed under the Volatility Software License 1.0
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# which is available at https://www.volatilityfoundation.org/license/vsl_v1.0
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#
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from typing import Dict, Any
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from volatility.cli.volshell import shellplugin
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from volatility.framework.configuration import requirements
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from volatility.plugins.linux import pslist
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class Volshell(shellplugin.Volshell):
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"""Shell environment to directly interact with a linux memory image."""
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@classmethod
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def get_requirements(cls):
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return (super().get_requirements() + [
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requirements.SymbolTableRequirement(name = "vmlinux", description = "Linux kernel symbols"),
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requirements.PluginRequirement(name = 'pslist', plugin = pslist.PsList, version = (1, 0, 0)),
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requirements.IntRequirement(name = 'pid', description = "Process ID", optional = True)
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])
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def change_task(self, pid = None):
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"""Change the current process and layer, based on a process ID"""
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tasks = self.list_tasks()
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for task in tasks:
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if task.pid == pid:
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process_layer = task.add_process_layer()
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if process_layer is not None:
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self.change_layer(process_layer)
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return
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print("Layer for task ID {} could not be constructed".format(pid))
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return
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print("No task with task ID {} found".format(pid))
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def list_tasks(self):
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"""Returns a list of task objects from the primary layer"""
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# We always use the main kernel memory and associated symbols
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return list(pslist.PsList.list_tasks(self.context, self.config['primary'], self.config['vmlinux']))
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def construct_locals(self) -> Dict[str, Any]:
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result = super().construct_locals()
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result.update({
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'ct': self.change_task,
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'change_task': self.change_task,
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'lt': self.list_tasks,
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'list_tasks': self.list_tasks,
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'symbols': self.context.symbol_space[self.config['vmlinux']],
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# windows/windbg compatibility aliases
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'cp': self.change_task,
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'ps': self.list_tasks,
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})
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if self.config.get('pid', None) is not None:
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self.change_task(self.config['pid'])
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return result
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