2011-02-07 02:25:55 +03:00
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#!/usr/bin/env python
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"""
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$Id$
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Copyright (c) 2006-2010 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 string
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from lib.core.enums import PRIORITY
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from lib.core.exception import sqlmapUnsupportedFeatureException
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__priority__ = PRIORITY.LOWEST
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def tamper(value):
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"""
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Replaces value with unicode-urlencode of non-encoded chars in value
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Example: 'SELECT%20FIELD%20FROM%20TABLE' becomes '%u0053%u0045%u004c%u0045%u0043%u0054%u0020%u0046%u0049%u0045%u004c%u0044%u0020%u0046%u0052%u004f%u004d%u0020%u0054%u0041%u0042%u004c%u0045'
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"""
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retVal = value
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if value:
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retVal = ""
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i = 0
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while i < len(value):
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if value[i] == '%' and (i < len(value) - 2) and value[i+1] in string.hexdigits and value[i+2] in string.hexdigits:
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retVal += "%%u00%s" % value[i+1:i+3]
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i += 3
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else:
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retVal += '%%u00%X' % ord(value[i])
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i += 1
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return retVal
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