mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
iMHLv2
105 lines
3.7 KiB
Python
105 lines
3.7 KiB
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:
|
|
"""
|
|
|
|
import volatility.obj as obj
|
|
import volatility.plugins.mac.common as common
|
|
|
|
# based on sysctl_sysctl_debug_dump_node
|
|
class mac_check_sysctl(common.AbstractMacCommand):
|
|
""" Checks for unknown sysctl handlers """
|
|
|
|
def _process_sysctl_list(self, sysctl_list, r = 0):
|
|
|
|
if type(sysctl_list) == obj.Pointer:
|
|
sysctl_list = sysctl_list.dereference_as("sysctl_oid_list")
|
|
|
|
sysctl = sysctl_list.slh_first
|
|
|
|
# skip the head entry if new list (recursive call)
|
|
if r:
|
|
sysctl = sysctl.oid_link.sle_next
|
|
|
|
while sysctl and sysctl.is_valid():
|
|
name = sysctl.oid_name.dereference()
|
|
|
|
if len(name) == 0:
|
|
break
|
|
|
|
ctltype = sysctl.get_ctltype()
|
|
|
|
if sysctl.oid_arg1 == 0 or not sysctl.oid_arg1.is_valid():
|
|
val = ""
|
|
elif ctltype == 'CTLTYPE_NODE':
|
|
if sysctl.oid_handler == 0:
|
|
for info in self._process_sysctl_list(sysctl.oid_arg1, r = 1):
|
|
yield info
|
|
val = "Node"
|
|
elif ctltype in ['CTLTYPE_INT', 'CTLTYPE_QUAD', 'CTLTYPE_OPAQUE']:
|
|
val = sysctl.oid_arg1.dereference()
|
|
elif ctltype == 'CTLTYPE_STRING':
|
|
## FIXME: can we do this without get_string?
|
|
val = common.get_string(sysctl.oid_arg1, self.addr_space)
|
|
else:
|
|
val = ctltype
|
|
|
|
yield (sysctl, name, val)
|
|
|
|
sysctl = sysctl.oid_link.sle_next
|
|
|
|
def calculate(self):
|
|
common.set_plugin_members(self)
|
|
|
|
(kernel_symbol_addresses, kmods) = common.get_kernel_addrs(self)
|
|
|
|
sysctl_children_addr = self.addr_space.profile.get_symbol("_sysctl__children")
|
|
|
|
sysctl_list = obj.Object("sysctl_oid_list", offset = sysctl_children_addr, vm = self.addr_space)
|
|
|
|
for (sysctl, name, val) in self._process_sysctl_list(sysctl_list):
|
|
is_known = common.is_known_address(sysctl.oid_handler, kernel_symbol_addresses, kmods)
|
|
yield (sysctl, name, val, is_known)
|
|
|
|
def render_text(self, outfd, data):
|
|
|
|
self.table_header(outfd, [("Name", "30"),
|
|
("Number", "8"),
|
|
("Perms", "6"),
|
|
("Handler", "[addrpad]"),
|
|
("Status", "10"),
|
|
("Value", "")])
|
|
|
|
for (sysctl, name, val, is_known) in data:
|
|
if val == "INVALID -1":
|
|
continue
|
|
|
|
if is_known:
|
|
status = "OK"
|
|
else:
|
|
status = "UNKNOWN"
|
|
|
|
self.table_row(outfd, name,
|
|
sysctl.oid_number,
|
|
sysctl.get_perms(),
|
|
sysctl.oid_handler,
|
|
status, val)
|