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39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2013 sqlmap developers (http://sqlmap.org/)
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See the file 'doc/COPYING' for copying permission
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"""
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from lib.core.exception import SqlmapSyntaxException
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from plugins.generic.syntax import Syntax as GenericSyntax
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class Syntax(GenericSyntax):
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def __init__(self):
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GenericSyntax.__init__(self)
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@staticmethod
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def escape(expression, quote=True):
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if quote:
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while True:
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index = expression.find("'")
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if index == -1:
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break
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firstIndex = index + 1
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index = expression[firstIndex:].find("'")
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if index == -1:
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raise SqlmapSyntaxException("Unenclosed ' in '%s'" % expression)
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lastIndex = firstIndex + index
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old = "'%s'" % expression[firstIndex:lastIndex]
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unescaped = "+".join("%s(%d)" % ("CHAR" if ord(expression[i]) < 256 else "NCHAR", ord(expression[i])) for i in xrange(firstIndex, lastIndex))
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expression = expression.replace(old, unescaped)
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else:
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expression = "+".join("CHAR(%d)" % ord(c) for c in expression)
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return expression
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