add_php_calltrace.py

import os, re, sys


"""
Recursively traverse a php repo, add a line that logs fn calls.
Non overlapping matches!
Arg: output file full path
"""

OUTFILE = sys.argv[1]


for root, dirs, files in os.walk(os.getcwd(), topdown=False):
    for name in files:
        try:
            if name.endswith('.php'):
                filename = os.path.join(root, name)
                with open(filename, 'r+') as f:
                    processed = re.sub('(function\s([a-zA-Z1-9\s\$\(\)-_]+){)',
                                       r'\1 $f = fopen("{}", "a") or die("FUUUCK");fwrite($f, "{} :: function \2");fclose($f);'.format(OUTFILE, filename),
                                       f.read())
                    f.seek(0)
                    f.write(processed)
        except UnicodeDecodeError as e:
            print('[*] Unicode error at ', filename)