mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
Andrew C
99 lines
3.1 KiB
Python
99 lines
3.1 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 os
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import volatility.obj as obj
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import volatility.debug as debug
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import volatility.plugins.linux.netstat as linux_netstat
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import volatility.plugins.linux.common as linux_common
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class linux_pkt_queues(linux_netstat.linux_netstat):
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"""Writes per-process packet queues out to disk"""
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def __init__(self, config, *args, **kwargs):
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linux_netstat.linux_netstat.__init__(self, config, *args, **kwargs)
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self._config.add_option('DUMP-DIR', short_option = 'D', default = None, help = 'output directory for recovered packets', action = 'store', type = 'str')
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def process_queue(self, name, pid, fd_num, queue):
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if queue.qlen == 0:
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return
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wrote = 0
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fname = "{0:s}.{1:d}.{2:d}".format(name, pid, fd_num)
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fd = None
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sk_buff = queue.m("next")
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while sk_buff and sk_buff != queue.v():
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pkt_len = sk_buff.len
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if pkt_len > 0 and pkt_len != 0xffffffff:
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# only open once we have a packet with data
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# otherwise we get 0 sized files
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if fd == None:
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fd = open(os.path.join(self.edir, fname), "wb")
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start = sk_buff.data
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data = self.addr_space.zread(start, pkt_len)
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fd.write(data)
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wrote = wrote + pkt_len
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sk_buff = sk_buff.next
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if wrote:
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yield "Wrote {0:d} bytes to {1:s}".format(wrote, fname)
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if fd:
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fd.close()
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def calculate(self):
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linux_common.set_plugin_members(self)
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self.edir = self._config.DUMP_DIR
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if not self.edir:
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debug.error("No output directory given.")
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if not os.path.isdir(self.edir):
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debug.error(self.edir + " is not a directory")
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for (task, fd_num, _, inet_sock) in linux_netstat.linux_netstat(self._config).calculate():
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sk = inet_sock.sk
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for msg in self.process_queue("receive", task.pid, fd_num, sk.sk_receive_queue):
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yield msg
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for msg in self.process_queue("write", task.pid, fd_num, sk.sk_write_queue):
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yield msg
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def render_text(self, outfd, data):
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for msg in data:
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outfd.write(msg + "\n")
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