mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
Andrew C
110 lines
4.0 KiB
Python
110 lines
4.0 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 Version 2 as
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# published by the Free Software Foundation. You may not use, modify or
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# distribute this program under any other version of the GNU General
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# Public License.
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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.debug as debug
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import volatility.plugins.linux.common as linux_common
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import socket
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class linux_route_cache(linux_common.AbstractLinuxCommand):
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""" Recovers the routing cache from memory """
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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('RESOLVE', short_option = 'R', default = None, action='count',
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help = 'Resolve DNS names of remote IP addresses')
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def calculate(self):
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linux_common.set_plugin_members(self)
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mask_addr = self.addr_space.profile.get_symbol("rt_hash_mask")
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if mask_addr == None:
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debug.error("This plugin does not support this profile. The Linux routing cache was deleted in 3.6.x. See: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=89aef8921bfbac22f00e04f8450f6e447db13e42")
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mask = obj.Object("unsigned int", offset = mask_addr, vm = self.addr_space)
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rt_pointer = obj.Object("Pointer", offset = self.addr_space.profile.get_symbol("rt_hash_table"), vm = self.addr_space)
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rt_hash_table = obj.Object(theType = "Array", offset = rt_pointer, vm = self.addr_space, targetType = "rt_hash_bucket", count = mask)
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# rt_do_flush / rt_cache_seq_show
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for i in range(mask):
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rth = rt_hash_table[i].chain
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if not rth:
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continue
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while rth:
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# FIXME: Consider using kernel version metadata rather than checking hasattr
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if hasattr(rth, 'u'):
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dst = rth.u.dst
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nxt = rth.u.dst.rt_next
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else:
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dst = rth.dst
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nxt = rth.dst.rt_next
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if dst.dev:
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name = dst.dev.name
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else:
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name = "*"
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dest = rth.rt_dst
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gw = rth.rt_gateway
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yield (name, dest, gw)
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rth = nxt
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def render_text(self, outfd, data):
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if self._config.RESOLVE:
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self.table_header(outfd, [("Interface", "16"),
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("Destination", "20"),
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("Dest Name", "30"),
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("Gateway", "")])
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else:
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self.table_header(outfd, [("Interface", "16"),
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("Destination", "20"),
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("Gateway", "")])
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for (name, dest, gw) in data:
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if self._config.RESOLVE:
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host = str(dest.cast("IpAddress"))
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try:
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host = socket.gethostbyaddr(host)
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host = host[0]
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except socket.herror:
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host = ""
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except socket.gaierror:
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host = ""
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self.table_row(outfd, name, dest.cast("IpAddress"), host, gw.cast("IpAddress"))
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else:
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self.table_row(outfd, name, dest.cast("IpAddress"), gw.cast("IpAddress"))
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