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.
191 lines
7.2 KiB
Python
191 lines
7.2 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.session import setDbms
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from lib.core.settings import PGSQL_ALIASES
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from lib.core.settings import PGSQL_SYSTEM_DBS
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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 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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if not conf.extensiveFp:
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value += DBMS.POSTGRESQL
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return value
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actVer = formatDBMSfp()
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blank = " " * 15
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value += "active fingerprint: %s" % actVer
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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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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://www.postgresql.org/docs/8.4/interactive/release.html (up to 8.4.2)
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"""
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if (kb.dbms is not None and kb.dbms.lower() in PGSQL_ALIASES) or conf.dbms in PGSQL_ALIASES:
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setDbms(DBMS.POSTGRESQL)
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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 PostgreSQL"
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logger.info(infoMsg)
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randInt = getUnicode(randomInt(1))
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payload = agent.fullPayload("AND %s::int=%s" % (randInt, randInt))
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result = Request.queryPage(payload)
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if result:
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infoMsg = "confirming PostgreSQL"
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logger.info(infoMsg)
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payload = agent.fullPayload("AND COALESCE(%s, NULL)=%s" % (randInt, randInt))
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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 PostgreSQL"
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logger.warn(warnMsg)
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return False
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setDbms(DBMS.POSTGRESQL)
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self.getBanner()
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if not conf.extensiveFp:
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return True
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if inject.getValue("SELECT DIV(6, 3)", unpack=False, charsetType=2, suppressOutput=True) == "2":
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kb.dbmsVersion = [">= 8.4.0"]
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elif inject.getValue("SELECT SUBSTR(TRANSACTION_TIMESTAMP()::text, 1, 1)", unpack=False, charsetType=2, suppressOutput=True) in ( "1", "2" ) and not inject.getValue("SELECT SUBSTR(TRANSACTION_TIMESTAMP(), 1, 1)", unpack=False, charsetType=2, suppressOutput=True) in ( "1", "2" ):
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kb.dbmsVersion = [">= 8.3.0", "< 8.4"]
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elif inject.getValue("SELECT SUBSTR(TRANSACTION_TIMESTAMP(), 1, 1)", unpack=False, charsetType=2, suppressOutput=True):
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kb.dbmsVersion = [">= 8.2.0", "< 8.3.0"]
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elif inject.getValue("SELECT GREATEST(5, 9, 1)", unpack=False, charsetType=2, suppressOutput=True) == "9":
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kb.dbmsVersion = [">= 8.1.0", "< 8.2.0"]
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elif inject.getValue("SELECT WIDTH_BUCKET(5.35, 0.024, 10.06, 5)", unpack=False, charsetType=2, suppressOutput=True) == "3":
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kb.dbmsVersion = [">= 8.0.0", "< 8.1.0"]
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elif inject.getValue("SELECT SUBSTR(MD5('sqlmap'), 1, 1)", unpack=False, suppressOutput=True):
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kb.dbmsVersion = [">= 7.4.0", "< 8.0.0"]
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elif inject.getValue("SELECT SUBSTR(CURRENT_SCHEMA(), 1, 1)", unpack=False, suppressOutput=True) == "p":
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kb.dbmsVersion = [">= 7.3.0", "< 7.4.0"]
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elif inject.getValue("SELECT BIT_LENGTH(1)") == "8":
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kb.dbmsVersion = [">= 7.2.0", "< 7.3.0"]
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elif inject.getValue("SELECT SUBSTR(QUOTE_LITERAL('a'), 2, 1)", unpack=False, suppressOutput=True) == "a":
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kb.dbmsVersion = [">= 7.1.0", "< 7.2.0"]
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elif inject.getValue("SELECT POW(2, 3)", unpack=False, charsetType=2, suppressOutput=True) == "8":
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kb.dbmsVersion = [">= 7.0.0", "< 7.1.0"]
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elif inject.getValue("SELECT MAX('a')") == "a":
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kb.dbmsVersion = [">= 6.5.0", "< 6.5.3"]
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elif re.search("([\d\.]+)", inject.getValue("SELECT SUBSTR(VERSION(), 12, 5)", unpack=False, suppressOutput=True)):
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kb.dbmsVersion = [">= 6.4.0", "< 6.5.0"]
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elif inject.getValue("SELECT SUBSTR(CURRENT_DATE, 1, 1)", unpack=False, charsetType=2, suppressOutput=True) == "2":
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kb.dbmsVersion = [">= 6.3.0", "< 6.4.0"]
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elif inject.getValue("SELECT SUBSTRING('sqlmap', 1, 1)", unpack=False, suppressOutput=True) == "s":
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kb.dbmsVersion = [">= 6.2.0", "< 6.3.0"]
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else:
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kb.dbmsVersion = ["< 6.2.0"]
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return True
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else:
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warnMsg = "the back-end DBMS is not PostgreSQL"
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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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self.createSupportTbl(self.fileTblName, self.tblField, "character(10000)")
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inject.goStacked("INSERT INTO %s(%s) VALUES (%s)" % (self.fileTblName, self.tblField, "VERSION()"))
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# Windows executables should always have ' Visual C++' or ' mingw'
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# patterns within the banner
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osWindows = ( " Visual C++", "mingw" )
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for osPattern in osWindows:
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query = "(SELECT LENGTH(%s) FROM %s WHERE %s " % (self.tblField, self.fileTblName, self.tblField)
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query += "LIKE '%" + osPattern + "%')>0"
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query = agent.forgeCaseStatement(query)
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if inject.getValue(query, charsetType=1, suppressOutput=True) == "1":
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kb.os = "Windows"
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break
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if kb.os is None:
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kb.os = "Linux"
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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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def forceDbmsEnum(self):
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if conf.db not in PGSQL_SYSTEM_DBS and conf.db != "public":
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conf.db = "public"
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warnMsg = "on PostgreSQL it is only possible to enumerate "
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warnMsg += "on the current schema and on system databases, "
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warnMsg += "sqlmap is going to use 'public' schema as "
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warnMsg += "database name"
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logger.warn(warnMsg)
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