mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
Andrew C
137 lines
4.7 KiB
Python
137 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 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.plugins.linux.common as linux_common
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import volatility.plugins.linux.ifconfig as linux_ifconfig
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import volatility.plugins.linux.pslist as linux_pslist
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import volatility.debug as debug
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import volatility.obj as obj
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class linux_list_raw(linux_common.AbstractLinuxCommand):
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"""List applications with promiscuous sockets"""
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def __init__(self, config, *args, **kwargs):
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self.fd_cache = {}
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linux_common.AbstractLinuxCommand.__init__(self, config, *args, **kwargs)
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def _SOCK_INODE(self, sk):
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backsize = self.profile.get_obj_size("socket")
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addr = sk + backsize
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return obj.Object('inode', offset = addr, vm = self.addr_space)
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def _walk_net_spaces(self):
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offset = self.addr_space.profile.get_obj_offset("sock_common", "skc_node")
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nslist_addr = self.addr_space.profile.get_symbol("net_namespace_list")
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nethead = obj.Object("list_head", offset = nslist_addr, vm = self.addr_space)
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for net in nethead.list_of_type("net", "list"):
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node = net.packet.sklist.first.dereference().v()
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sk = obj.Object("sock", offset = node - offset, vm = self.addr_space)
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while sk.is_valid():
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inode = self._SOCK_INODE(sk.sk_socket)
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ino = inode
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yield ino
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sk = obj.Object("sock", offset = sk.sk_node.next - offset, vm = self.addr_space)
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def _fill_cache(self):
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for task in linux_pslist.linux_pslist(self._config).calculate():
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for filp, fd in task.lsof():
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filepath = linux_common.get_path(task, filp)
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if type(filepath) == str and filepath.find("socket:[") != -1:
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to_add = filp.dentry.d_inode.i_ino.v()
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self.fd_cache[to_add] = [task, filp, fd, filepath]
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def _find_proc_for_inode(self, inode):
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if self.fd_cache == {}:
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self._fill_cache()
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inum = inode.i_ino.v()
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if inum in self.fd_cache:
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(task, filp, fd, filepath) = self.fd_cache[inum]
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else:
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(task, filp, fd, filepat) = (None, None, None, None)
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return (task, fd, inum)
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def __walk_hlist_node(self, node):
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seen = set()
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offset = self.addr_space.profile.get_obj_offset("sock_common", "skc_node")
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nxt = node.next.dereference()
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while nxt.is_valid() and nxt.obj_offset not in seen:
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## Instantiate the object
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item = obj.Object(obj_type, offset = nxt.obj_offset - offset, vm = self.addr_space)
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seen.add(nxt.obj_offset)
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yield item
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nxt = nxt.next.dereference()
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def _walk_packet_sklist(self):
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sklist_addr = self.addr_space.profile.get_symbol("packet_sklist")
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sklist = obj.Object("hlist_head", offset = sklist_addr, vm = self.addr_space)
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for sk in self.__walk_hlist_node(sklist.first):
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yield self._SOCK_INODE(sk.sk_socket)
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def calculate(self):
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linux_common.set_plugin_members(self)
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sym_addr = self.addr_space.profile.get_symbol("packet_sklist")
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# old kernels before namespaces
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if sym_addr:
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for inode in self._walk_packet_sklist():
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yield self._find_proc_for_inode(inode)
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else:
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for inode in self._walk_net_spaces():
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yield self._find_proc_for_inode(inode)
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def render_text(self, outfd, data):
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self.table_header(outfd, [("Process", "16"),
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("PID", "6"),
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("File Descriptor", "5"),
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("Inode", "18"),
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])
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for (task, fd, inum) in data:
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if task:
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self.table_row(outfd, task.comm, task.pid, fd, inum)
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