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45 lines
1.2 KiB
Python
45 lines
1.2 KiB
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2020 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 os
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import re
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from lib.core.common import singleTimeWarnMessage
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from lib.core.enums import DBMS
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from lib.core.enums import PRIORITY
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__priority__ = PRIORITY.HIGH
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def dependencies():
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singleTimeWarnMessage("tamper script '%s' is only meant to be run against %s" % (os.path.basename(__file__).split(".")[0], DBMS.MYSQL))
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def tamper(payload, **kwargs):
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"""
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Replaces (MySQL) instances like 'MID(A, B, C)' with 'MID(A FROM B FOR C)' counterpart
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Requirement:
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* MySQL
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Tested against:
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* MySQL 5.0 and 5.5
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>>> tamper('MID(VERSION(), 1, 1)')
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'MID(VERSION() FROM 1 FOR 1)'
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"""
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retVal = payload
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warnMsg = "you should consider usage of switch '--no-cast' along with "
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warnMsg += "tamper script '%s'" % os.path.basename(__file__).split(".")[0]
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singleTimeWarnMessage(warnMsg)
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match = re.search(r"(?i)MID\((.+?)\s*,\s*(\d+)\s*\,\s*(\d+)\s*\)", payload or "")
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if match:
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retVal = retVal.replace(match.group(0), "MID(%s FROM %s FOR %s)" % (match.group(1), match.group(2), match.group(3)))
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return retVal
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