mirror of
https://github.com/volatilityfoundation/volatility
synced 2026-06-08 18:04:46 +00:00
mike.auty@gmail.com
102 lines
3.7 KiB
Python
102 lines
3.7 KiB
Python
# Volatility
|
|
#
|
|
# Authors:
|
|
# Michael Cohen <scudette@users.sourceforge.net>
|
|
#
|
|
# 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
|
|
#
|
|
|
|
import volatility.registry as registry
|
|
import volatility.addrspace as addrspace
|
|
import volatility.debug as debug
|
|
|
|
#pylint: disable-msg=C0111
|
|
|
|
class classproperty(property):
|
|
def __get__(self, cls, owner):
|
|
# We don't think pylint knows what it's talking about here
|
|
return self.fget.__get__(None, owner)() #pylint: disable-msg=E1101
|
|
|
|
def load_as(config, astype = 'virtual', **kwargs):
|
|
"""Loads an address space by stacking valid ASes on top of each other (priority order first)"""
|
|
|
|
base_as = None
|
|
error = AddrSpaceError()
|
|
while 1:
|
|
debug.debug("Voting round")
|
|
found = False
|
|
for cls in registry.AS_CLASSES.classes:
|
|
debug.debug("Trying {0} ".format(cls))
|
|
try:
|
|
base_as = cls(base_as, config, astype = astype, **kwargs)
|
|
debug.debug("Succeeded instantiating {0}".format(base_as))
|
|
found = True
|
|
break
|
|
except addrspace.ASAssertionError, e:
|
|
debug.debug("Failed instantiating {0}: {1}".format(cls.__name__, e), 2)
|
|
error.append_reason(cls.__name__, e)
|
|
continue
|
|
except Exception, e:
|
|
debug.debug("Failed instantiating (exception): {0}".format(e))
|
|
error.append_reason(cls.__name__ + " - EXCEPTION", e)
|
|
continue
|
|
|
|
## A full iteration through all the classes without anyone
|
|
## selecting us means we are done:
|
|
if not found:
|
|
break
|
|
|
|
if not isinstance(base_as, addrspace.AbstractVirtualAddressSpace) and (astype == 'virtual'):
|
|
base_as = None
|
|
|
|
if base_as is None:
|
|
raise error
|
|
|
|
return base_as
|
|
|
|
class VolatilityException(Exception):
|
|
"""Generic Volatility Specific exception, to help differentiate from other exceptions"""
|
|
def __init__(self, *args, **kwargs):
|
|
Exception.__init__(self, *args, **kwargs)
|
|
|
|
class AddrSpaceError(VolatilityException):
|
|
"""Address Space Exception, so we can catch and deal with it in the main program"""
|
|
def __init__(self):
|
|
self.reasons = []
|
|
VolatilityException.__init__(self, "No suitable address space mapping found")
|
|
|
|
def append_reason(self, driver, reason):
|
|
self.reasons.append((driver, reason))
|
|
|
|
def __str__(self):
|
|
result = VolatilityException.__str__(self) + "\nTried to open image as:\n"
|
|
for k, v in self.reasons:
|
|
result += " {0}: {1}\n".format(k, v)
|
|
|
|
return result
|
|
|
|
class CacheRelativeURLException(VolatilityException):
|
|
"""Exception for gracefully not saving Relative URLs in the cache"""
|
|
|
|
def Hexdump(data, width = 16):
|
|
""" Hexdump function shared by various plugins """
|
|
for offset in xrange(0, len(data), width):
|
|
row_data = data[offset:offset + width]
|
|
translated_data = [x if ord(x) < 127 and ord(x) > 32 else "." for x in row_data]
|
|
hexdata = " ".join(["{0:02x}".format(ord(x)) for x in row_data])
|
|
|
|
yield offset, hexdata, translated_data
|
|
|