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volatilityfoundation-volati…/volatility/plugins/linux/pslist.py
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Python

# Volatility
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
@author: Andrew Case
@license: GNU General Public License 2.0 or later
@contact: atcuno@gmail.com
@organization: Digital Forensics Solutions
"""
import volatility.obj as obj
import volatility.plugins.linux.common as linux_common
import time
class linux_pslist(linux_common.AbstractLinuxCommand):
"""Gather active tasks by walking the task_struct->task list"""
@staticmethod
def register_options(config):
linux_common.AbstractLinuxCommand.register_options(config)
config.add_option('PID', short_option = 'p', default = None,
help = 'Operate on these Process IDs (comma-separated)',
action = 'store', type = 'str')
def calculate(self):
init_task_addr = self.get_profile_symbol("init_task")
init_task = obj.Object("task_struct", vm = self.addr_space, offset = init_task_addr)
pidlist = self._config.PID
if pidlist:
pidlist = [int(p) for p in self._config.PID.split(',')]
# walk the ->tasks list, note that this will *not* display "swapper"
for task in init_task.tasks:
if not pidlist or task.pid in pidlist:
yield task
def render_text(self, outfd, data):
outfd.write("{0:8s} {1:20s} {2:15s} {3:15s} {4:35s}\n".format(
"Offset", "Name", "Pid", "Uid", "Start Time"))
for task in data:
outfd.write("0x{0:08x} {1:20s} {2:15s} {3:15s} {4:35s}\n".format(
task.obj_offset, task.comm, str(task.pid), str(task.uid) if task.uid else "-", self.get_task_start_time(task)))
class linux_memmap(linux_pslist):
"""Dumps the memory map for linux tasks"""
def render_text(self, outfd, data):
first = True
for task in data:
if not first:
outfd.write("*" * 72 + "\n")
task_space = task.get_process_address_space()
outfd.write("{0} pid: {1:6}\n".format(task.comm, task.pid))
first = False
pagedata = task_space.get_available_pages()
if pagedata:
outfd.write("{0:12} {1:12} {2:12}\n".format('Virtual', 'Physical', 'Size'))
for p in pagedata:
pa = task_space.vtop(p[0])
# pa can be 0, according to the old memmap, but can't == None(NoneObject)
if pa != None:
outfd.write("0x{0:010x} 0x{1:010x} 0x{2:012x}\n".format(p[0], pa, p[1]))
#else:
# outfd.write("0x{0:10x} 0x000000 0x{1:12x}\n".format(p[0], p[1]))
else:
outfd.write("Unable to read pages for task.\n")