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43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2020 sqlmap developers (http://sqlmap.org/)
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See the file 'LICENSE' for copying permission
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"""
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import re
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from lib.core.common import isDBMSVersionAtLeast
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from lib.core.common import randomStr
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from lib.core.convert import getOrds
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from plugins.generic.syntax import Syntax as GenericSyntax
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class Syntax(GenericSyntax):
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@staticmethod
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def escape(expression, quote=True):
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"""
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>>> from lib.core.common import Backend
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>>> Backend.setVersion('12.10')
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['12.10']
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>>> Syntax.escape("SELECT 'abcdefgh' FROM foobar") == "SELECT CHR(97)||CHR(98)||CHR(99)||CHR(100)||CHR(101)||CHR(102)||CHR(103)||CHR(104) FROM foobar"
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True
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"""
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def escaper(value):
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return "||".join("CHR(%d)" % _ for _ in getOrds(value))
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retVal = expression
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if isDBMSVersionAtLeast("11.70"):
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excluded = {}
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for _ in re.findall(r"DBINFO\([^)]+\)", expression):
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excluded[_] = randomStr()
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expression = expression.replace(_, excluded[_])
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retVal = Syntax._escape(expression, quote, escaper)
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for _ in excluded.items():
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retVal = retVal.replace(_[1], _[0])
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return retVal
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