/usr/lib/python2.7/dist-packages/rekall/plugins/linux/address_resolver.py is in python-rekall-core 1.6.0+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2014 Google Inc. All Rights Reserved.
#
# 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
#
"""The module implements the linux specific address resolution plugin."""
__author__ = "Michael Cohen <scudette@gmail.com>"
from rekall import obj
from rekall.plugins.common import address_resolver
from rekall.plugins.linux import common
class LKMModule(address_resolver.Module):
"""A Linux kernel module."""
def __init__(self, module, **kwargs):
self.module = module
super(LKMModule, self).__init__(
name=unicode(module.name),
start=module.base,
end=module.end,
**kwargs)
class MapModule(address_resolver.Module):
"""A module representing a memory mapping."""
class KernelModule(address_resolver.Module):
"""A Fake object which makes the kernel look like a module.
This removes the need to treat kernel addresses any different from module
addresses, and allows them to be resolved by this module.
"""
def __init__(self, session=None, **kwargs):
super(KernelModule, self).__init__(
# Check if the address appears in the kernel binary.
start=obj.Pointer.integer_to_address(
session.profile.get_constant("_text")),
end=session.profile.get_constant("_end"),
name="linux",
profile=session.profile,
session=session, **kwargs)
class LinuxAddressResolver(address_resolver.AddressResolverMixin,
common.LinuxPlugin):
"""A Linux specific address resolver plugin."""
def _EnsureInitialized(self):
if self._initialized:
return
# Insert a psuedo module for the kernel
self.AddModule(KernelModule(session=self.session))
# Add LKMs.
for kmod in self.session.plugins.lsmod().get_module_list():
self.AddModule(LKMModule(kmod, session=self.session))
task = self.session.GetParameter("process_context")
for vma in task.mm.mmap.walk_list("vm_next"):
start = vma.vm_start
end = vma.vm_end
self.AddModule(MapModule(
name="map_%#x" % start,
start=start, end=end, session=self.session))
self._initialized = True
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