/usr/lib/python2.7/dist-packages/volatility/debug.py is in volatility 2.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Authors:
# Michael Cohen <scudette@users.sourceforge.net>
#
# 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/>.
#
""" General debugging framework """
import pdb
import sys
import inspect
import logging
import volatility.conf
config = volatility.conf.ConfObject()
config.add_option("DEBUG", short_option = 'd', default = 0,
cache_invalidator = False,
action = 'count', help = "Debug volatility")
# Largest debug value used + 1
MAX_DEBUG = 3
def setup(level = 0):
"""Sets up the global logging environment"""
formatstr = "%(levelname)-8s: %(name)-20s: %(message)s"
logging.basicConfig(format = formatstr)
rootlogger = logging.getLogger('')
rootlogger.setLevel(logging.DEBUG + 1 - level)
for i in range(1, 9):
logging.addLevelName(logging.DEBUG - i, "DEBUG" + str(i))
def debug(msg, level = 1):
"""Logs a message at the DEBUG level"""
log(msg, logging.DEBUG + 1 - level)
def info(msg):
"""Logs a message at the INFO level"""
log(msg, logging.INFO)
def warning(msg):
"""Logs a message at the WARNING level"""
log(msg, logging.WARNING)
def error(msg):
log(msg, logging.ERROR)
sys.exit(1)
def critical(msg):
log(msg, logging.CRITICAL)
sys.exit(1)
def log(msg, level):
modname = "volatility.py"
try:
frm = inspect.currentframe()
modname = "volatility.debug"
while modname == "volatility.debug":
frm = frm.f_back
mod = inspect.getfile(frm)
modname = mod.__name__
except AttributeError:
pass
finally:
del frm
_log(msg, modname, level)
def _log(msg, facility, loglevel):
"""Outputs a debugging message"""
logger = logging.getLogger(facility)
logger.log(loglevel, msg)
def b(level = 1):
"""Enters the debugger at the call point"""
if config.DEBUG >= level:
pdb.set_trace()
trace = b
def post_mortem(level = 1):
"""Provides a command line interface to python after an exception's occurred"""
if config.DEBUG >= level:
pdb.post_mortem()
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