sqlmap/tamper/randomcomments.py

41 lines
916 B
Python

#!/usr/bin/env python
"""
Copyright (c) 2006-2013 sqlmap developers (http://sqlmap.org/)
See the file 'doc/COPYING' for copying permission
"""
import re
from lib.core.common import randomRange
from lib.core.data import kb
from lib.core.enums import PRIORITY
__priority__ = PRIORITY.LOW
def tamper(payload, **kwargs):
"""
Add random comments to SQL keywords
Example: 'INSERT' becomes 'IN/**/S/**/ERT'
"""
retVal = payload
if payload:
for match in re.finditer(r"[A-Za-z_]+", payload):
word = match.group()
if len(word) < 2:
continue
if word.upper() in kb.keywords:
_ = word[0]
for i in xrange(1, len(word) - 1):
_ += "%s%s" % ("/**/" if randomRange(0, 1) else "", word[i])
_ += word[-1]
retVal = retVal.replace(word, _)
return retVal