mirror of
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53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2013 sqlmap developers (http://sqlmap.org/)
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See the file 'doc/COPYING' for copying permission
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"""
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from lib.core.common import isDBMSVersionAtLeast
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from lib.core.exception import SqlmapSyntaxException
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from plugins.generic.syntax import Syntax as GenericSyntax
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class Syntax(GenericSyntax):
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def __init__(self):
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GenericSyntax.__init__(self)
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@staticmethod
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def escape(expression, quote=True):
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if isDBMSVersionAtLeast('2.1'):
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if expression == u"'''":
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return "ASCII_CHAR(%d)" % (ord("'"))
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if quote:
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while True:
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index = expression.find("'")
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if index == -1:
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break
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firstIndex = index + 1
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index = expression[firstIndex:].find("'")
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if index == -1:
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raise SqlmapSyntaxException("Unenclosed ' in '%s'" % expression)
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lastIndex = firstIndex + index
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old = "'%s'" % expression[firstIndex:lastIndex]
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unescaped = ""
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for i in xrange(firstIndex, lastIndex):
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unescaped += "ASCII_CHAR(%d)" % (ord(expression[i]))
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if i < lastIndex - 1:
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unescaped += "||"
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expression = expression.replace(old, unescaped)
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else:
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unescaped = "".join("ASCII_CHAR(%d)||" % ord(c) for c in expression)
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if unescaped[-1] == "||":
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unescaped = unescaped[:-1]
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expression = unescaped
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return expression
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