Files
2019-08-15 14:11:20 -07:00

99 lines
2.8 KiB
Python

#!/usr/bin/python
#CHIPSEC: Platform Security Assessment Framework
#Copyright (c) 2010-2018, Intel Corporation
#
#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; Version 2.
#
#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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
#Contact information:
#chipsec@intel.com
#
#
# -------------------------------------------------------------------------------
#
# CHIPSEC: Platform Hardware Security Assessment Framework
# (c) 2010-2012 Intel Corporation
#
# -------------------------------------------------------------------------------
"""
Reading from/writing to files
usage:
>>> read_file( filename )
>>> write_file( filename, buffer )
"""
import struct
import sys
import os
from chipsec.logger import logger
TOOLS_DIR = 'chipsec_tools'
def read_file( filename, size=0 ):
#with open( filename, 'rb' ) as f:
# _file = f.read()
#f.closed
try:
f = open(filename, 'rb')
except:
logger().error( "Unable to open file '{:.256}' for read access".format(filename) )
return 0
if size:
_file = f.read( size )
else:
_file = f.read()
f.close()
if logger().DEBUG: logger().log( "[file] read {:d} bytes from '{:256}'".format( len(_file), filename ) )
return _file
def write_file( filename, buffer, append=False ):
#with open( filename, 'wb' ) as f:
# f.write( buffer )
#f.closed
perm = 'a' if append else 'w'
if isinstance(buffer,bytes) or isinstance(buffer,bytearray):
perm += 'b'
try:
f = open(filename, perm)
except:
logger().error( "Unable to open file '{:.256}' for write access".format(filename) )
return 0
f.write( buffer )
f.close()
if logger().DEBUG: logger().log( "[file] wrote {:d} bytes to '{:.256}'".format( len(buffer), filename ) )
return True
# determine if CHIPSEC is loaded as chipsec.exe or in python
def main_is_frozen():
return (hasattr(sys, "frozen") or # new py2exe
hasattr(sys, "importers")) # old py2exe
def get_main_dir():
path = os.path.abspath( os.path.join( os.path.dirname( __file__ ), os.path.pardir ) )
if main_is_frozen():
path = os.path.dirname(sys.executable)
#elif len( os.path.dirname(sys.argv[0]) ) > 0:
# path = os.path.dirname(sys.argv[0])
return path