session-ios/Scripts/AuditStringH.py

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2018-08-09 21:55:30 +02:00
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
import sys
import subprocess
import datetime
import argparse
import commands
import re
git_repo_path = os.path.abspath(subprocess.check_output(['git', 'rev-parse', '--show-toplevel']).strip())
string_h_functions = [
"memchr",
"memcmp",
"memcpy",
"memmove",
"memset",
"strcat",
"strchr",
"strcmp",
"strcoll",
"strcpy",
"strcspn",
"strerror",
"strlen",
"strncat",
"strncmp",
"strncpy",
"strpbrk",
"strrchr",
"strspn",
"strstr",
"strtok",
"strxfrm",
"strtok_r",
"strerror_r",
"strdup",
"memccpy",
"stpcpy",
"stpncpy",
"strndup",
"strnlen",
"strsignal",
"memset_s",
"memmem",
"memset_pattern4",
"memset_pattern8",
"memset_pattern16",
"strcasestr",
"strnstr",
"strlcat",
"strlcpy",
"strmode",
"strsep",
"swab",
"timingsafe_bcmp",
]
def process_if_appropriate(file_path):
file_ext = os.path.splitext(file_path)[1]
if file_ext.lower() not in ('.c', '.cpp', '.m', '.mm', '.h', '.swift'):
return
# print 'file_path', file_path, 'file_ext', file_ext
with open(file_path, 'rt') as f:
text = f.read()
has_match = False
for string_h_function in string_h_functions:
regex = re.compile(string_h_function + r'\s*\(')
assert(regex)
matches = []
for match in regex.finditer(text):
matches.append(match)
# matches = regex.findall(text)
if not matches:
continue
if not has_match:
has_match = True
print 'file_path', file_path, 'file_ext', file_ext
for match in matches:
# print 'match', match, type(match)
print '\t', 'match:', match.group(0)
if has_match:
print
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Precommit script.')
parser.add_argument('--path', help='used to specify a path to process.')
args = parser.parse_args()
if args.path:
dir_path = args.path
else:
dir_path = git_repo_path
for rootdir, dirnames, filenames in os.walk(dir_path):
for filename in filenames:
file_path = os.path.abspath(os.path.join(rootdir, filename))
process_if_appropriate(file_path)