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315 lines
11 KiB
Python
315 lines
11 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.common import aliasToDbmsEnum
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from lib.core.common import dataToSessionFile
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from lib.core.common import formatFingerprintString
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from lib.core.common import getFilteredPageContent
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from lib.core.common import getIdentifiedDBMS
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from lib.core.common import readInput
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from lib.core.convert import base64pickle
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from lib.core.convert import base64unpickle
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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.datatype import injectionDict
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from lib.core.enums import PAYLOAD
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from lib.core.enums import PLACE
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from lib.core.settings import METADB_SUFFIX
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from lib.core.settings import MSSQL_ALIASES
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from lib.core.settings import MYSQL_ALIASES
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from lib.core.settings import PGSQL_ALIASES
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from lib.core.settings import ORACLE_ALIASES
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from lib.core.settings import UNKNOWN_DBMS_VERSION
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def safeFormatString(value):
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retVal = value
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if retVal:
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retVal = retVal.replace("[", "__LEFT_SQUARE_BRACKET__").replace("]", "__RIGHT_SQUARE_BRACKET__")
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return retVal
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def unSafeFormatString(value):
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retVal = value
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if retVal:
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retVal = retVal.replace("__LEFT_SQUARE_BRACKET__", "[").replace("__RIGHT_SQUARE_BRACKET__", "]")
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return retVal
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def setInjection(inj):
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"""
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Save information retrieved about injection place and parameter in the
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session file.
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"""
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condition = (
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( not kb.resumedQueries
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or ( kb.resumedQueries.has_key(conf.url) and
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not kb.resumedQueries[conf.url].has_key("Injection data")
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) )
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)
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if condition:
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dataToSessionFile("[%s][%s][%s][Injection data][%s]\n" % (conf.url, inj.place, safeFormatString(conf.parameters[inj.place]), base64pickle(inj)))
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def setDynamicMarkings(markings):
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"""
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Save information retrieved about dynamic markings to the
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session file.
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"""
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condition = (
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( not kb.resumedQueries
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or ( kb.resumedQueries.has_key(conf.url) and
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not kb.resumedQueries[conf.url].has_key("Dynamic markings")
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) )
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)
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if condition:
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dataToSessionFile("[%s][%s][%s][Dynamic markings][%s]\n" % (conf.url, None, None, base64pickle(markings)))
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def setDbms(dbms):
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"""
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@param dbms: database management system to be set into the knowledge
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base as fingerprint.
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@type dbms: C{str}
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"""
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condition = (
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not kb.resumedQueries
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or ( kb.resumedQueries.has_key(conf.url) and
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not kb.resumedQueries[conf.url].has_key("DBMS") )
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)
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if condition:
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dataToSessionFile("[%s][%s][%s][DBMS][%s]\n" % (conf.url, kb.injection.place, safeFormatString(conf.parameters[kb.injection.place]), safeFormatString(dbms)))
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firstRegExp = "(%s|%s|%s|%s)" % ("|".join([alias for alias in MSSQL_ALIASES]),
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"|".join([alias for alias in MYSQL_ALIASES]),
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"|".join([alias for alias in PGSQL_ALIASES]),
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"|".join([alias for alias in ORACLE_ALIASES]))
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dbmsRegExp = re.search("^%s" % firstRegExp, dbms, re.I)
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if dbmsRegExp:
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dbms = dbmsRegExp.group(1)
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kb.dbms = aliasToDbmsEnum(dbms)
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logger.info("the back-end DBMS is %s" % kb.dbms)
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def setOs():
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"""
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Example of kb.bannerFp dictionary:
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{
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'sp': set(['Service Pack 4']),
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'dbmsVersion': '8.00.194',
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'dbmsServicePack': '0',
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'distrib': set(['2000']),
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'dbmsRelease': '2000',
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'type': set(['Windows'])
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}
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"""
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infoMsg = ""
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condition = (
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not kb.resumedQueries
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or ( kb.resumedQueries.has_key(conf.url) and
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not kb.resumedQueries[conf.url].has_key("OS") )
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)
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if not kb.bannerFp:
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return
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if "type" in kb.bannerFp:
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kb.os = formatFingerprintString(kb.bannerFp["type"])
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infoMsg = "the back-end DBMS operating system is %s" % kb.os
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if "distrib" in kb.bannerFp:
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kb.osVersion = formatFingerprintString(kb.bannerFp["distrib"])
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infoMsg += " %s" % kb.osVersion
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if "sp" in kb.bannerFp:
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kb.osSP = int(formatFingerprintString(kb.bannerFp["sp"]).replace("Service Pack ", ""))
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elif "sp" not in kb.bannerFp and kb.os == "Windows":
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kb.osSP = 0
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if kb.os and kb.osVersion and kb.osSP:
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infoMsg += " Service Pack %d" % kb.osSP
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if infoMsg:
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logger.info(infoMsg)
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if condition:
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dataToSessionFile("[%s][%s][%s][OS][%s]\n" % (conf.url, kb.injection.place, safeFormatString(conf.parameters[kb.injection.place]), safeFormatString(kb.os)))
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def setRemoteTempPath():
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condition = (
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not kb.resumedQueries or ( kb.resumedQueries.has_key(conf.url) and
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not kb.resumedQueries[conf.url].has_key("Remote temp path") )
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)
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if condition:
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dataToSessionFile("[%s][%s][%s][Remote temp path][%s]\n" % (conf.url, kb.injection.place, safeFormatString(conf.parameters[kb.injection.place]), safeFormatString(conf.tmpPath)))
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def resumeConfKb(expression, url, value):
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if expression == "String" and url == conf.url:
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string = unSafeFormatString(value[:-1])
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logMsg = "resuming string match '%s' from session file" % string
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logger.info(logMsg)
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if string and ( not conf.string or string != conf.string ):
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if not conf.string:
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message = "you did not provide any string to match. "
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else:
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message = "The string you provided does not match "
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message += "the resumed string. "
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message += "Do you want to use the resumed string "
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message += "to be matched in page when the query "
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message += "is valid? [Y/n] "
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test = readInput(message, default="Y")
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if not test or test[0] in ("y", "Y"):
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conf.string = string
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elif expression == "Regular expression" and url == conf.url:
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regexp = unSafeFormatString(value[:-1])
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logMsg = "resuming regular expression match '%s' from session file" % regexp
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logger.info(logMsg)
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if regexp and ( not conf.regexp or regexp != conf.regexp ):
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if not conf.regexp:
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message = "you did not provide any regular expression "
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message += "to match. "
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else:
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message = "The regular expression you provided does not "
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message += "match the resumed regular expression. "
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message += "Do you want to use the resumed regular expression "
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message += "to be matched in page when the query "
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message += "is valid? [Y/n] "
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test = readInput(message, default="Y")
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if not test or test[0] in ("y", "Y"):
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conf.regexp = regexp
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elif expression == "Injection data" and url == conf.url:
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injection = base64unpickle(value[:-1])
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logMsg = "resuming injection data from session file"
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logger.info(logMsg)
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if injection.place in conf.paramDict and\
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injection.parameter in conf.paramDict[injection.place]:
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kb.injections.append(injection)
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else:
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warnMsg = "there is an injection in %s parameter '%s' " % (injection.place, injection.parameter)
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warnMsg += "but you did not provided it this time"
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logger.warn(warnMsg)
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elif expression == "Dynamic markings" and url == conf.url:
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kb.dynamicMarkings = base64unpickle(value[:-1])
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logMsg = "resuming dynamic markings from session file"
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logger.info(logMsg)
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elif expression == "DBMS" and url == conf.url:
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dbms = unSafeFormatString(value[:-1])
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dbms = dbms.lower()
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dbmsVersion = [UNKNOWN_DBMS_VERSION]
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logMsg = "resuming back-end DBMS '%s' " % dbms
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logMsg += "from session file"
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logger.info(logMsg)
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firstRegExp = "(%s|%s|%s|%s)" % ("|".join([alias for alias in MSSQL_ALIASES]),
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"|".join([alias for alias in MYSQL_ALIASES]),
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"|".join([alias for alias in PGSQL_ALIASES]),
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"|".join([alias for alias in ORACLE_ALIASES]))
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dbmsRegExp = re.search("%s ([\d\.]+)" % firstRegExp, dbms)
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if dbmsRegExp:
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dbms = dbmsRegExp.group(1)
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dbmsVersion = [ dbmsRegExp.group(2) ]
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if conf.dbms and conf.dbms.lower() != dbms:
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message = "you provided '%s' as back-end DBMS, " % conf.dbms
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message += "but from a past scan information on the target URL "
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message += "sqlmap assumes the back-end DBMS is %s. " % dbms
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message += "Do you really want to force the back-end "
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message += "DBMS value? [y/N] "
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test = readInput(message, default="N")
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if not test or test[0] in ("n", "N"):
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kb.dbms = aliasToDbmsEnum(dbms)
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kb.dbmsVersion = dbmsVersion
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else:
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kb.dbms = aliasToDbmsEnum(dbms)
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kb.dbmsVersion = dbmsVersion
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elif expression == "OS" and url == conf.url:
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os = unSafeFormatString(value[:-1])
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if os and os != 'None':
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logMsg = "resuming back-end DBMS operating system '%s' " % os
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logMsg += "from session file"
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logger.info(logMsg)
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if conf.os and conf.os.lower() != os.lower():
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message = "you provided '%s' as back-end DBMS operating " % conf.os
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message += "system, but from a past scan information on the "
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message += "target URL sqlmap assumes the back-end DBMS "
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message += "operating system is %s. " % os
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message += "Do you really want to force the back-end DBMS "
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message += "OS value? [y/N] "
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test = readInput(message, default="N")
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if not test or test[0] in ("n", "N"):
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conf.os = os
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else:
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conf.os = os
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elif expression == "TABLE_EXISTS" and url == conf.url:
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table = unSafeFormatString(value[:-1])
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if '.' in table:
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db, table = table.split('.')
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else:
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db = "%s%s" % (getIdentifiedDBMS(), METADB_SUFFIX)
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logMsg = "resuming brute forced table name "
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logMsg += "'%s' from session file" % table
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logger.info(logMsg)
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kb.brute.tables.append((db, table))
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elif expression == "COLUMN_EXISTS" and url == conf.url:
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table, column = unSafeFormatString(value[:-1]).split('..')
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colName, colType = column.split(' ')
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if '.' in table:
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db, table = table.split('.')
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else:
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db = "%s%s" % (getIdentifiedDBMS(), METADB_SUFFIX)
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logMsg = "resuming brute forced column name "
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logMsg += "'%s' for table '%s' from session file" % (colName, table)
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logger.info(logMsg)
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kb.brute.columns.append((db, table, colName, colType))
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elif expression == "Remote temp path" and url == conf.url:
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conf.tmpPath = unSafeFormatString(value[:-1])
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logMsg = "resuming remote absolute path of temporary "
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logMsg += "files directory '%s' from session file" % conf.tmpPath
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logger.info(logMsg)
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