sqlmap/plugins/dbms/informix/syntax.py
2017-12-11 13:01:37 +01:00

44 lines
1.3 KiB
Python

#!/usr/bin/env python
"""
Copyright (c) 2006-2017 sqlmap developers (http://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""
import re
from lib.core.common import isDBMSVersionAtLeast
from lib.core.common import randomStr
from plugins.generic.syntax import Syntax as GenericSyntax
class Syntax(GenericSyntax):
def __init__(self):
GenericSyntax.__init__(self)
@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'
"""
def escaper(value):
return "||".join("CHR(%d)" % ord(_) for _ in 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