diff options
Diffstat (limited to 'src')
-rwxr-xr-x | src/sw/binextract.py | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/sw/binextract.py b/src/sw/binextract.py new file mode 100755 index 0000000..5cac2e8 --- /dev/null +++ b/src/sw/binextract.py @@ -0,0 +1,98 @@ +#!/usr/bin/env python3 +# -*- coding: utf-8 -*- +#======================================================================= +# +# binextract.py +# ------------- +# Reads file with read data word logs and extracts the binary data. +# Redirect std out to target file. +# +# +# Author: Joachim Strömbergson +# Copyright (c) 2014, Secworks Sweden AB +# +# 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. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND 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 OWNER 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. +# +#======================================================================= + +#------------------------------------------------------------------- +# Python module imports. +#------------------------------------------------------------------- +import sys +import os + + +#------------------------------------------------------------------- +# Defines. +#------------------------------------------------------------------- +# Verbose operation on/off +VERBOSE = False +NUM_BYTES = 4 + + +#------------------------------------------------------------------- +# main() +# +# Parse any arguments and run the tests. +#------------------------------------------------------------------- +def main(): + file_name = sys.argv[1] + + with open(file_name, 'r') as my_file: + for line in my_file: + my_bytes = [] + +# print(line[23 : 25], line[26 : 28], line[29 : 31], line[32 : 34]) + + my_bytes.append(int(line[23 : 25], 16)) + my_bytes.append(int(line[26 : 28], 16)) + my_bytes.append(int(line[29 : 31], 16)) + my_bytes.append(int(line[32 : 34], 16)) + + if VERBOSE: + print("Bytes extracted: ", end='') + for my_byte in my_bytes: + print('0x%02x' % my_byte, end=' ') + print("") + + else: + for my_byte in my_bytes: + os.write(1, bytes(chr(my_byte), 'latin_1')) + + +#------------------------------------------------------------------- +# __name__ +# Python thingy which allows the file to be run standalone as +# well as parsed from within a Python interpreter. +#------------------------------------------------------------------- +if __name__=="__main__": + # Run the main function. + sys.exit(main()) + + +#======================================================================= +# EOF binextract.py +#======================================================================= |