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30 lines
1.1 KiB
Python
30 lines
1.1 KiB
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2026 sqlmap developers (https://sqlmap.org)
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See the file 'LICENSE' for copying permission
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"""
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from lib.core.convert import getBytes
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from lib.core.settings import UNICODE_ENCODING
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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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>>> 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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# CHR() is byte-based on DB2, so a non-ASCII codepoint needs its UTF-8 bytes to form a single char
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result = []
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for char in value:
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if ord(char) < 128:
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result.append("CHR(%d)" % ord(char))
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else:
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result.extend("CHR(%d)" % _ for _ in bytearray(getBytes(char, UNICODE_ENCODING, errors="replace", unsafe=False)))
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return "||".join(result)
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return Syntax._escape(expression, quote, escaper)
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