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https://github.com/isledecomp/isle.git
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83 lines
2 KiB
Python
83 lines
2 KiB
Python
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#!/usr/bin/env python3
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import argparse
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import colorama
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import difflib
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import subprocess
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import os
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import sys
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parser = argparse.ArgumentParser(allow_abbrev=False,
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description='Verify Exports: Compare the exports of two DLLs.')
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parser.add_argument('original', metavar='original-binary', help='The original binary')
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parser.add_argument('recompiled', metavar='recompiled-binary', help='The recompiled binary')
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parser.add_argument('--no-color', '-n', action='store_true', help='Do not color the output')
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args = parser.parse_args()
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if not os.path.isfile(args.original):
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parser.error('Original binary does not exist')
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if not os.path.isfile(args.recompiled):
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parser.error('Recompiled binary does not exist')
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def get_file_in_script_dir(fn):
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return os.path.join(os.path.dirname(os.path.abspath(sys.argv[0])), fn)
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def get_exports(file):
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call = [get_file_in_script_dir('DUMPBIN.EXE'), '/EXPORTS']
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if os.name != 'nt':
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call.insert(0, 'wine')
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file = subprocess.check_output(['winepath', '-w', file]).decode('utf-8').strip()
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call.append(file)
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raw = subprocess.check_output(call).decode('utf-8').split('\r\n')
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exports = []
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start = False
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for line in raw:
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if not start:
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if line == ' ordinal hint name':
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start = True
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else:
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if line:
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exports.append(line[27:line.rindex(' (')])
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elif exports:
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break
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return exports
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og_exp = get_exports(args.original)
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re_exp = get_exports(args.recompiled)
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udiff = difflib.unified_diff(og_exp, re_exp)
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has_diff = False
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for line in udiff:
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has_diff = True
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if line.startswith("++") or line.startswith("@@") or line.startswith("--"):
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# Skip unneeded parts of the diff for the brief view
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pass
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elif line.startswith("+"):
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if args.no_color:
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print(line)
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else:
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print(colorama.Fore.GREEN + line)
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elif line.startswith("-"):
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if args.no_color:
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print(line)
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else:
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print(colorama.Fore.RED + line)
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else:
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print(line)
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if not args.no_color:
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print(colorama.Style.RESET_ALL, end='')
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if has_diff:
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sys.exit(1)
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else:
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sys.exit(0)
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