144 lines
4.4 KiB
Python
144 lines
4.4 KiB
Python
#! /usr/bin/env python3
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# encoding: utf-8
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import logging
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import os
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import shutil
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import subprocess
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class Sins():
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logger = logging.getLogger()
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def __init__(self, parent, seed=None, run_dir=None):
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self.logger.info('execute\n {}'.format((
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(parent, seed, run_dir))
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))
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self.parent = os.path.abspath(parent)
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if not os.path.isfile(parent):
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raise ValueError('Invalid executable image path.')
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self.seed = os.path.abspath(seed)
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self.run_dir = os.path.abspath(run_dir)
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if not os.path.isdir(self.run_dir):
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try:
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os.mkdir(self.run_dir)
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except:
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self.run_dir = os.path.dirname(self.seed)
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shutil.copy2(self.seed, self.run_dir)
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parsed = self.parent, self.seed, self.run_dir
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self.logger.info('parsed\n {}'.format((parsed)))
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paths = (self.seed)
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while True:
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for path in paths:
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scrap_path = os.path.join(self.run_dir, path)
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if os.path.isfile(scrap_path):
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self.execute(
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self.parent,
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scrap_path,
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self.run_dir
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)
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paths = sorted(os.listdir(self.run_dir))
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def scrap_recent(self, run_dir):
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scraps = sorted(os.listdir(run_dir))
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if scraps:
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return os.path.join(run_dir, scraps[-1])
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return None
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def execute(self, parent, scrap, cwd):
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self.logger.info('execute\n {}'.format(((parent, scrap, cwd))))
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subprocess.run([parent, scrap], cwd=cwd)
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def hex_dumps(scrap_dir):
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scrap_dir = os.path.abspath(scrap_dir)
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dump_dir = os.path.join(scrap_dir, 'hex')
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if not os.path.isdir(dump_dir):
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os.mkdir(dump_dir)
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scraps = os.listdir(scrap_dir)
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for scrap in scraps:
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scrap_path = os.path.join(scrap_dir, scrap)
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hex_name = '{}.hex'.format(scrap)
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hex_path = os.path.join(dump_dir, hex_name)
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if os.path.isfile(scrap_path):
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with open(scrap_path, 'rb') as file_in:
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with open(hex_path, 'w') as file_out:
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binary = bytes(file_in.read())
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for each in binary:
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file_out.writelines('\'\\x{:02X}\',\n'.format(each))
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if __name__ == '__main__':
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import argparse
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import sys
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parser = argparse.ArgumentParser(
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description='position independent code (PIC) mutation experiment.'
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)
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parser.add_argument('--verbose', '-v', action='count')
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parser.add_argument('-build', action='store_true',
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help='build parent and seed PIC image, exit.')
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parser.add_argument('-provision', action='store_true',
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help='provision ubuntu for run, exit.')
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parser.add_argument('-logfile', help='log to file.')
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parser.add_argument('-seed', default='build/scrap.asm.2.o',
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help='path to PIC image.')
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parser.add_argument('-parent', default='build/sins',
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help='path to parent process.')
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parser.add_argument('-dir', default='sandbox',
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help='path to execution directory.')
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parser.add_argument('-dumps', action='store_true',
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help='dump hex values of scraps in directory, exit.')
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args = parser.parse_args()
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logger = logging.getLogger()
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formatter = logging.Formatter(
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'#%(asctime)s %(levelname)s\n##%(message)s\n'
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)
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if args.verbose:
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logger.setLevel(logging.DEBUG)
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else:
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print('Verbose not set, running in silence.')
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if args.logfile:
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file_handler = logging.FileHandler(args.logfile, 'a')
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file_handler.setFormatter(formatter)
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logger.setLevel(logging.DEBUG)
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logger.addHandler(file_handler)
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else:
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stream_handler = logging.StreamHandler()
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stream_handler.setFormatter(formatter)
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logger.addHandler(stream_handler)
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if args.provision:
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provision = ['sudo', 'sh', 'provision-ubuntu.sh']
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prov_proc = subprocess.run(provision)
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os.environ['CC'] = 'clang'
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waf = [sys.executable, 'waf.py', 'configure']
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waf_proc = subprocess.run(waf)
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elif args.build:
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waf = [sys.executable, 'waf.py', 'build']
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waf_proc = subprocess.run(waf)
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logger.info(waf_proc.stdout)
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elif args.dumps:
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hex_dumps(args.dir)
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else:
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sins = Sins(parent=args.parent, seed=args.seed, run_dir=args.dir)
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