Files
2014-01-17 14:21:55 -06:00

79 lines
3.1 KiB
Python

# Volatility
# Copyright (C) 2007-2013 Volatility Foundation
#
# This file is part of Volatility.
#
# Volatility 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.
#
# Volatility 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 Volatility. If not, see <http://www.gnu.org/licenses/>.
#
"""
@author: Andrew Case
@license: GNU General Public License 2.0
@contact: atcuno@gmail.com
@organization:
"""
import os.path
import volatility.debug as debug
import volatility.plugins.linux.common as linux_common
import volatility.plugins.linux.proc_maps as linux_proc_maps
class linux_dump_map(linux_proc_maps.linux_proc_maps):
""" Writes selected memory mappings to disk """
def __init__(self, config, *args, **kwargs):
linux_proc_maps.linux_proc_maps.__init__(self, config, *args, **kwargs)
self._config.add_option('VMA', short_option = 's', default = None, help = 'Filter by VMA starting address', action = 'store', type = 'long')
self._config.add_option('DUMP-DIR', short_option = 'D', default = None, help = 'Output directory', action = 'store', type = 'str')
def read_addr_range(self, task, start, end):
pagesize = 4096
# set the as with our new dtb so we can read from userland
proc_as = task.get_process_address_space()
# xrange doesn't support longs :(
while start < end:
page = proc_as.zread(start, pagesize)
yield page
start = start + pagesize
def render_text(self, outfd, data):
if (not self._config.DUMP_DIR or
not os.path.isdir(self._config.DUMP_DIR)):
debug.error("Please specify an existing output dir (--dump-dir)")
self.table_header(outfd, [("Task", "10"),
("VM Start", "[addrpad]"),
("VM End", "[addrpad]"),
("Length", "[addr]"),
("Path", "")])
for (task, vma) in data:
if not self._config.VMA or vma.vm_start == self._config.VMA:
file_name = "task.{0}.{1:#x}.vma".format(task.pid, vma.vm_start)
file_path = os.path.join(self._config.DUMP_DIR, file_name)
outfile = open(file_path, "wb+")
for page in self.read_addr_range(task, vma.vm_start, vma.vm_end):
outfile.write(page)
outfile.close()
self.table_row(outfd, task.pid,
vma.vm_start,
vma.vm_end,
vma.vm_end - vma.vm_start,
file_path)