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38 lines
910 B
Python
38 lines
910 B
Python
#!/usr/bin/env python
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"""
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$Id$
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Copyright (c) 2006-2011 sqlmap developers (http://sqlmap.sourceforge.net/)
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See the file 'doc/COPYING' for copying permission
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"""
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import re
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from lib.core.common import randomRange
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from lib.core.data import kb
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from lib.core.enums import PRIORITY
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__priority__ = PRIORITY.HIGHER
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def tamper(payload):
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"""
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Encloses each non-function keyword with versioned MySQL comment
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Example: 'INSERT' will become '/*!INSERT*/'
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"""
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def process(match):
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word = match.group('word')
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if word.upper() in kb.keywords:
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return match.group().replace(word, "/*!%s*/" % word)
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else:
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return match.group()
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retVal = payload
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if payload:
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retVal = re.sub(r"(?<=\W)(?P<word>[A-Za-z_]+)(?=[^\w(]|\Z)", lambda match: process(match), retVal)
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retVal = retVal.replace(" /*!", "/*!").replace("*/ ", "*/")
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return retVal
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