mirror of
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158 lines
4.9 KiB
Python
158 lines
4.9 KiB
Python
#!/usr/bin/env python
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"""
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Copyright (c) 2006-2022 sqlmap developers (https://sqlmap.org/)
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See the file 'LICENSE' for copying permission
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"""
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import re
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from lib.core.common import Backend
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from lib.core.common import Format
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from lib.core.common import randomRange
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from lib.core.common import randomStr
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from lib.core.compat import xrange
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from lib.core.convert import getUnicode
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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 FIREBIRD_ALIASES
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from lib.core.settings import METADB_SUFFIX
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from lib.request import inject
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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, DBMS.FIREBIRD)
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def getFingerprint(self):
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value = ""
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wsOsFp = Format.getOs("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 = Format.getOs("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 = Format.getDbms()
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if not conf.extensiveFp:
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value += actVer
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return value
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actVer = Format.getDbms() + " (%s)" % (self._dialectCheck())
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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.get("dbmsVersion")
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if banVer:
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if re.search(r"-log$", kb.data.banner or ""):
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banVer += ", logging enabled"
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banVer = Format.getDbms([banVer])
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value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer)
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htmlErrorFp = Format.getErrorParsedDBMSes()
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if htmlErrorFp:
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value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp)
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return value
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def _sysTablesCheck(self):
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retVal = None
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table = (
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("1.0", ("EXISTS(SELECT CURRENT_USER FROM RDB$DATABASE)",)),
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("1.5", ("NULLIF(%d,%d) IS NULL", "EXISTS(SELECT CURRENT_TRANSACTION FROM RDB$DATABASE)")),
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("2.0", ("EXISTS(SELECT CURRENT_TIME(0) FROM RDB$DATABASE)", "BIT_LENGTH(%d)>0", "CHAR_LENGTH(%d)>0")),
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("2.1", ("BIN_XOR(%d,%d)=0", "PI()>0.%d", "RAND()<1.%d", "FLOOR(1.%d)>=0")),
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("2.5", ("'%s' SIMILAR TO '%s'",)), # Reference: https://firebirdsql.org/refdocs/langrefupd25-similar-to.html
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("3.0", ("FALSE IS FALSE",)), # https://www.firebirdsql.org/file/community/conference-2014/pdf/02_fb.2014.whatsnew.30.en.pdf
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)
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for i in xrange(len(table)):
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version, checks = table[i]
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failed = False
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check = checks[randomRange(0, len(checks) - 1)].replace("%d", getUnicode(randomRange(1, 100))).replace("%s", getUnicode(randomStr()))
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result = inject.checkBooleanExpression(check)
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if result:
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retVal = version
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else:
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failed = True
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break
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if failed:
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break
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return retVal
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def _dialectCheck(self):
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retVal = None
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if Backend.getIdentifiedDbms():
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result = inject.checkBooleanExpression("EXISTS(SELECT CURRENT_DATE FROM RDB$DATABASE)")
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retVal = "dialect 3" if result else "dialect 1"
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return retVal
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def checkDbms(self):
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if not conf.extensiveFp and Backend.isDbmsWithin(FIREBIRD_ALIASES):
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setDbms("%s %s" % (DBMS.FIREBIRD, Backend.getVersion()))
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self.getBanner()
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return True
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infoMsg = "testing %s" % DBMS.FIREBIRD
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logger.info(infoMsg)
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result = inject.checkBooleanExpression("(SELECT COUNT(*) FROM RDB$DATABASE WHERE [RANDNUM]=[RANDNUM])>0")
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if result:
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infoMsg = "confirming %s" % DBMS.FIREBIRD
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logger.info(infoMsg)
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result = inject.checkBooleanExpression("EXISTS(SELECT CURRENT_USER FROM RDB$DATABASE)")
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if not result:
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warnMsg = "the back-end DBMS is not %s" % DBMS.FIREBIRD
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logger.warn(warnMsg)
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return False
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setDbms(DBMS.FIREBIRD)
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infoMsg = "actively fingerprinting %s" % DBMS.FIREBIRD
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logger.info(infoMsg)
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version = self._sysTablesCheck()
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if version is not None:
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Backend.setVersion(version)
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setDbms("%s %s" % (DBMS.FIREBIRD, version))
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self.getBanner()
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return True
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else:
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warnMsg = "the back-end DBMS is not %s" % DBMS.FIREBIRD
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logger.warn(warnMsg)
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return False
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def forceDbmsEnum(self):
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conf.db = "%s%s" % (DBMS.FIREBIRD, METADB_SUFFIX)
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if conf.tbl:
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conf.tbl = conf.tbl.upper()
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