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https://github.com/sqlmapproject/sqlmap.git
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94 lines
3.1 KiB
Python
94 lines
3.1 KiB
Python
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#!/usr/bin/env python
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"""
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$Id$
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This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
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Copyright (c) 2007-2010 Bernardo Damele A. G. <bernardo.damele@gmail.com>
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Copyright (c) 2006 Daniele Bellucci <daniele.bellucci@gmail.com>
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sqlmap is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation version 2 of the License.
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sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along
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with sqlmap; if not, write to the Free Software Foundation, Inc., 51
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Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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"""
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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 unescape(expression, quote=True):
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# The following is not supported on SQLite 2
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return expression
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if quote:
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expression = expression.replace("'", "''")
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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 + 2
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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.replace("''", "'")
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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 range(firstIndex, lastIndex):
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unescaped += "X'%x'" % ord(expression[i])
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if i < lastIndex - 1:
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unescaped += "||"
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#unescaped += ")"
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expression = expression.replace(old, unescaped)
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expression = expression.replace("''", "'")
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else:
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expression = "||".join("X'%x" % ord(c) for c in expression)
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return expression
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@staticmethod
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def escape(expression):
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# Example on SQLite 3, not supported on SQLite 2:
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# select X'48'||X'656c6c6f20576f726c6400'; -- Hello World
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while True:
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index = expression.find("X'")
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if index == -1:
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break
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firstIndex = index
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index = expression[firstIndex+2:].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 + 3
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old = expression[firstIndex:lastIndex]
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oldUpper = old.upper()
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oldUpper = oldUpper.replace("X'", "").replace("'", "")
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for i in xrange(len(oldUpper)/2):
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char = oldUpper[i*2:i*2+2]
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escaped = "'%s'" % chr(int(char, 16))
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expression = expression.replace(old, escaped)
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return expression
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