mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
Andrew C
121 lines
4.7 KiB
Python
121 lines
4.7 KiB
Python
# Volatility
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# Copyright (C) 2007-2013 Volatility Foundation
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#
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# This file is part of Volatility.
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#
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# Volatility is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# Volatility is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Volatility. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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@author: Andrew Case
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@license: GNU General Public License 2.0
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@contact: atcuno@gmail.com
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@organization:
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"""
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import volatility.obj as obj
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import volatility.utils as utils
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import volatility.plugins.linux.common as linux_common
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class linux_pslist(linux_common.AbstractLinuxCommand):
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"""Gather active tasks by walking the task_struct->task list"""
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def __init__(self, config, *args, **kwargs):
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linux_common.AbstractLinuxCommand.__init__(self, config, *args, **kwargs)
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config.add_option('PID', short_option = 'p', default = None,
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help = 'Operate on these Process IDs (comma-separated)',
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action = 'store', type = 'str')
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def virtual_process_from_physical_offset(self, offset):
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pspace = utils.load_as(self._config, astype = 'physical')
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vspace = utils.load_as(self._config)
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task = obj.Object("task_struct", vm = pspace, offset = offset)
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parent = obj.Object("task_struct", vm = vspace, offset = task.parent)
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for child in parent.children.list_of_type("task_struct", "sibling"):
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if child.obj_vm.vtop(child.obj_offset) == task.obj_offset:
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return child
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return obj.NoneObject("Unable to bounce back from task_struct->parent->task_struct")
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def allprocs(self):
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linux_common.set_plugin_members(self)
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init_task_addr = self.addr_space.profile.get_symbol("init_task")
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init_task = obj.Object("task_struct", vm = self.addr_space, offset = init_task_addr)
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# walk the ->tasks list, note that this will *not* display "swapper"
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for task in init_task.tasks:
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yield task
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def calculate(self):
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linux_common.set_plugin_members(self)
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pidlist = self._config.PID
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if pidlist:
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pidlist = [int(p) for p in self._config.PID.split(',')]
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for task in self.allprocs():
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if not pidlist or task.pid in pidlist:
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yield task
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def render_text(self, outfd, data):
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self.table_header(outfd, [("Offset", "[addrpad]"),
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("Name", "20"),
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("Pid", "15"),
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("Uid", "15"),
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("Gid", "6"),
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("DTB", "[addrpad]"),
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("Start Time", "")])
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for task in data:
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if task.mm.pgd == None:
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dtb = task.mm.pgd
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else:
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dtb = self.addr_space.vtop(task.mm.pgd) or task.mm.pgd
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self.table_row(outfd, task.obj_offset,
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task.comm,
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str(task.pid),
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str(task.uid) if task.uid else "-",
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str(task.gid) if task.gid else "-",
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dtb,
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task.get_task_start_time())
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class linux_memmap(linux_pslist):
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"""Dumps the memory map for linux tasks"""
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def render_text(self, outfd, data):
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self.table_header(outfd, [("Task", "16"),
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("Pid", "8"),
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("Virtual", "[addrpad]"),
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("Physical", "[addrpad]"),
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("Size", "[addr]")])
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for task in data:
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task_space = task.get_process_address_space()
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pagedata = task_space.get_available_pages()
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if pagedata:
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for p in pagedata:
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pa = task_space.vtop(p[0])
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# pa can be 0, according to the old memmap, but can't == None(NoneObject)
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if pa != None:
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self.table_row(outfd, task.comm, task.pid, p[0], pa, p[1])
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#else:
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# outfd.write("0x{0:10x} 0x000000 0x{1:12x}\n".format(p[0], p[1]))
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else:
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outfd.write("Unable to read pages for {0} pid {1}.\n".format(task.comm, task.pid))
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