sqlmap/plugins/dbms/firebird/fingerprint.py
Miroslav Stampar f9bc6fc78f minor fix
2010-12-11 22:14:35 +00:00

147 lines
4.4 KiB
Python

#!/usr/bin/env python
"""
$Id$
Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
See the file 'doc/COPYING' for copying permission
"""
import re
from lib.core.agent import agent
from lib.core.common import formatDBMSfp
from lib.core.common import formatFingerprint
from lib.core.common import getHtmlErrorFp
from lib.core.common import getUnicode
from lib.core.common import randomInt
from lib.core.common import randomRange
from lib.core.data import conf
from lib.core.data import kb
from lib.core.data import logger
from lib.core.enums import DBMS
from lib.core.session import setDbms
from lib.core.settings import FIREBIRD_ALIASES
from lib.core.settings import METADB_SUFFIX
from lib.request import inject
from lib.request.connect import Connect as Request
from plugins.generic.fingerprint import Fingerprint as GenericFingerprint
class Fingerprint(GenericFingerprint):
def __init__(self):
GenericFingerprint.__init__(self)
def getFingerprint(self):
value = ""
wsOsFp = formatFingerprint("web server", kb.headersFp)
if wsOsFp:
value += "%s\n" % wsOsFp
if kb.data.banner:
dbmsOsFp = formatFingerprint("back-end DBMS", kb.bannerFp)
if dbmsOsFp:
value += "%s\n" % dbmsOsFp
value += "back-end DBMS: "
if not conf.extensiveFp:
value += DBMS.FIREBIRD
return value
actVer = formatDBMSfp() + " (%s)" % (self.__dialectCheck())
blank = " " * 15
value += "active fingerprint: %s" % actVer
if kb.bannerFp:
banVer = kb.bannerFp["dbmsVersion"]
if re.search("-log$", kb.data.banner):
banVer += ", logging enabled"
banVer = formatDBMSfp([banVer])
value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer)
htmlErrorFp = getHtmlErrorFp()
if htmlErrorFp:
value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp)
return value
def __sysTablesCheck(self):
retVal = None
table = (
("1.0", ["EXISTS(SELECT CURRENT_USER FROM RDB$DATABASE)"]),
("1.5", ["NULLIF(%d,%d) IS NULL", "EXISTS(SELECT CURRENT_TRANSACTION FROM RDB$DATABASE)"]),
("2.0", ["EXISTS(SELECT CURRENT_TIME(0) FROM RDB$DATABASE)", "BIT_LENGTH(%d)>0", "CHAR_LENGTH(%d)>0"]),
("2.1", ["BIN_XOR(%d,%d)=0", "PI()>0.%d", "RAND()<1.%d", "FLOOR(1.%d)>=0"])
)
for i in xrange(len(table)):
version, checks = table[i]
failed = False
check = checks[randomRange(0,len(checks)-1)].replace("%d", getUnicode(randomRange(1,100)))
result = inject.checkBooleanExpression(check, expectingNone=True)
if result:
retVal = version
else:
failed = True
break
if failed:
break
return retVal
def __dialectCheck(self):
retVal = None
if kb.dbms:
result = inject.checkBooleanExpression("EXISTS(SELECT CURRENT_DATE FROM RDB$DATABASE)", expectingNone=True)
retVal = "dialect 3" if result else "dialect 1"
return retVal
def checkDbms(self):
if (kb.dbms is not None and kb.dbms.lower() in FIREBIRD_ALIASES) or conf.dbms in FIREBIRD_ALIASES:
setDbms(DBMS.FIREBIRD)
self.getBanner()
if not conf.extensiveFp:
return True
logMsg = "testing Firebird"
logger.info(logMsg)
randInt = randomInt()
result = inject.checkBooleanExpression("EXISTS(SELECT * FROM RDB$DATABASE WHERE %d=%d)" % (randInt, randInt), expectingNone=True)
if result:
logMsg = "confirming Firebird"
logger.info(logMsg)
result = inject.checkBooleanExpression("EXISTS(SELECT CURRENT_USER FROM RDB$DATABASE)", expectingNone=True)
if not result:
warnMsg = "the back-end DBMS is not Firebird"
logger.warn(warnMsg)
return False
setDbms(DBMS.FIREBIRD)
kb.dbmsVersion = [self.__sysTablesCheck()]
self.getBanner()
return True
else:
warnMsg = "the back-end DBMS is not Firebird"
logger.warn(warnMsg)
return False
def forceDbmsEnum(self):
conf.db = "%s%s" % (DBMS.FIREBIRD, METADB_SUFFIX)