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#!/usr/bin/env python
"""
Copyright (c) 2006-2025 sqlmap developers (https://sqlmap.org)
See the file 'LICENSE' for copying permission
"""
import re
from lib.core.common import isDBMSVersionAtLeast
from lib.core.common import randomStr
from lib.core.convert import getOrds
from plugins.generic.syntax import Syntax as GenericSyntax
class Syntax(GenericSyntax):
@staticmethod
def escape(expression, quote=True):
"""
>>> from lib.core.common import Backend
>>> Backend.setVersion('12.10')
['12.10']
>>> 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"
True
"""
def escaper(value):
return "||".join("CHR(%d)" % _ for _ in getOrds(value))
retVal = expression
if isDBMSVersionAtLeast("11.70"):
excluded = {}
for _ in re.findall(r"DBINFO\([^)]+\)", expression):
excluded[_] = randomStr()
expression = expression.replace(_, excluded[_])
retVal = Syntax._escape(expression, quote, escaper)
for _ in excluded.items():
retVal = retVal.replace(_[1], _[0])
return retVal
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