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40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
#!/usr/bin/env python2
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"""
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Copyright (c) 2006-2019 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 binascii
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from lib.core.common import getBytes
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from lib.core.common import getUnicode
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from lib.core.common import isDBMSVersionAtLeast
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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('2')
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['2']
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>>> Syntax.escape("SELECT 'abcdefgh' FROM foobar") == "SELECT 'abcdefgh' FROM foobar"
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True
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>>> Backend.setVersion('3')
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['3']
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>>> Syntax.escape("SELECT 'abcdefgh' FROM foobar") == "SELECT CAST(X'6162636465666768' AS TEXT) FROM foobar"
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True
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"""
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def escaper(value):
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# Reference: http://stackoverflow.com/questions/3444335/how-do-i-quote-a-utf-8-string-literal-in-sqlite3
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return "CAST(X'%s' AS TEXT)" % getUnicode(binascii.hexlify(getBytes(value)))
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retVal = expression
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if isDBMSVersionAtLeast('3'):
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retVal = Syntax._escape(expression, quote, escaper)
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return retVal
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