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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.enums import PRIORITY
__priority__ = PRIORITY.HIGHEST
def dependencies():
pass
def tamper(payload, **kwargs):
"""
Injects the keyword binary where applicable
Requirement:
* MySQL
>>> tamper('1 UNION ALL SELECT NULL, NULL, NULL')
'1 UNION ALL SELECT binary NULL, binary NULL, binary NULL'
>>> tamper('1 AND 2>1')
'1 AND binary 2>binary 1'
>>> tamper('CASE WHEN (1=1) THEN 1 ELSE 0x28 END')
'CASE WHEN (binary 1=binary 1) THEN binary 1 ELSE binary 0x28 END'
"""
retVal = payload
if payload:
retVal = re.sub(r"\bNULL\b", "binary NULL", retVal)
retVal = re.sub(r"\b(THEN\s+)(\d+|0x[0-9a-f]+)(\s+ELSE\s+)(\d+|0x[0-9a-f]+)", r"\g<1>binary \g<2>\g<3>binary \g<4>", retVal)
retVal = re.sub(r"(\d+\s*[>=]\s*)(\d+)", r"binary \g<1>binary \g<2>", retVal)
retVal = re.sub(r"\b((AND|OR)\s*)(\d+)", r"\g<1>binary \g<3>", retVal)
retVal = re.sub(r"([>=]\s*)(\d+)", r"\g<1>binary \g<2>", retVal)
retVal = re.sub(r"\b(0x[0-9a-f]+)", r"binary \g<1>", retVal)
retVal = re.sub(r"(\s+binary)+", r"\g<1>", retVal)
return retVal
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