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Copy pathbinary.py
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105 lines (86 loc) · 3.35 KB
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# coding=utf-8
# Copyright 2018 Sascha Schirra
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors
# may be used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" A ND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
from .ctypes_helper import *
from struct import pack_into
from ctypes import *
class Container(object):
def __init__(self, **args):
setattr = super(Container, self).__setattr__
for key, value in args.items():
setattr(key, value)
class Binary(object):
def __init__(self, fileName, fileContent=None):
if fileContent:
if type(fileContent) == bytes:
fileContent = to_ubyte_array(fileContent)
self._bytes = fileContent
else:
self._bytes = self._readFile(fileName)
if not self.__class__.isSupportedContent(self._bytes):
raise BinaryError('Not a suitable filetype')
self.__fileName = fileName
@property
def fileName(self):
"""
Returns the filename
"""
return self.__fileName
@property
def entryPoint(self):
return 0x0
@property
def imageBase(self):
return 0x0
@property
def type(self):
return 'ELF'
def _readFile(self, fileName):
"""
Returns the bytes of the file.
"""
with open(fileName, 'rb') as binFile:
b = binFile.read()
return to_ubyte_array(b)
def assertFileRange(self, value):
if type(value) == c_void_p:
value = value.value
file_data_pointer = get_ptr(self._bytes)
assert value >= (file_data_pointer.value) and value <= (
file_data_pointer.value + len(self._bytes)), 'Pointer not in file range'
@classmethod
def isSupportedFile(cls, fileName):
try:
with open(fileName, 'rb') as f:
return cls.isSupportedContent(f.read())
except BaseException as e:
raise BinaryError(e)
@classmethod
def isSupportedContent(cls, fileContent):
return False
class BinaryError(BaseException):
pass