#!/usr/bin/env python """ $Id: oracle.py 1003 2010-01-02 02:02:12Z inquisb $ This file is part of the sqlmap project, http://sqlmap.sourceforge.net. Copyright (c) 2007-2009 Bernardo Damele A. G. Copyright (c) 2006 Daniele Bellucci sqlmap is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation version 2 of the License. sqlmap is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with sqlmap; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA """ 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 randomInt, randomRange from lib.core.data import conf from lib.core.data import kb from lib.core.data import logger from lib.core.exception import sqlmapSyntaxException from lib.core.exception import sqlmapUnsupportedFeatureException from lib.core.session import setDbms from lib.core.settings import FIREBIRD_ALIASES from lib.core.settings import FIREBIRD_SYSTEM_DBS from lib.core.unescaper import unescaper from lib.request import inject from lib.request.connect import Connect as Request from plugins.generic.enumeration import Enumeration from plugins.generic.filesystem import Filesystem from plugins.generic.fingerprint import Fingerprint from plugins.generic.misc import Miscellaneous from plugins.generic.takeover import Takeover class FirebirdMap(Fingerprint, Enumeration, Filesystem, Miscellaneous, Takeover): """ This class defines Firebird methods """ def __init__(self): self.excludeDbsList = FIREBIRD_SYSTEM_DBS Enumeration.__init__(self, "Firebird") Filesystem.__init__(self) Takeover.__init__(self) unescaper.setUnescape(FirebirdMap.unescape) @staticmethod def unescape(expression, quote=True): if quote: while True: index = expression.find("'") if index == -1: break firstIndex = index + 1 index = expression[firstIndex:].find("'") if index == -1: raise sqlmapSyntaxException, "Unenclosed ' in '%s'" % expression lastIndex = firstIndex + index old = "'%s'" % expression[firstIndex:lastIndex] unescaped = "" for i in range(firstIndex, lastIndex): unescaped += "ASCII_CHAR(%d)" % (ord(expression[i])) if i < lastIndex - 1: unescaped += "||" expression = expression.replace(old, unescaped) else: unescaped = "".join("ASCII_CHAR(%d)||" % ord(c) for c in expression) if unescaped[-1] == "||": unescaped = unescaped[:-1] expression = unescaped return expression @staticmethod def escape(expression): while True: index = expression.find("ASCII_CHAR(") if index == -1: break firstIndex = index index = expression[firstIndex:].find(")") if index == -1: raise sqlmapSyntaxException, "Unenclosed ) in '%s'" % expression lastIndex = firstIndex + index + 1 old = expression[firstIndex:lastIndex] oldUpper = old.upper() oldUpper = oldUpper.lstrip("ASCII_CHAR(").rstrip(")") oldUpper = oldUpper.split("||") escaped = "'%s'" % "".join([chr(int(char)) for char in oldUpper]) expression = expression.replace(old, escaped).replace("'||'", "") return expression 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 += "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$", kb.data.banner): banVer += ", logging enabled" banVer = formatDBMSfp([banVer]) value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer) htmlErrorFp = getHtmlErrorFp() if htmlErrorFp: value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp) return value def __sysTablesCheck(self): retVal = None table = ( ("1.0", [" AND EXISTS(SELECT CURRENT_USER FROM RDB$DATABASE)"]), ("1.5", [" AND NULLIF(%d,%d) IS NULL", " AND EXISTS(SELECT CURRENT_TRANSACTION FROM RDB$DATABASE)"]), ("2.0", [" AND EXISTS(SELECT CURRENT_TIME(0) FROM RDB$DATABASE)", " AND BIT_LENGTH(%d)>0", " AND CHAR_LENGTH(%d)>0"]), ("2.1", [" AND BIN_XOR(%d,%d)=0", " AND PI()>0.%d", " AND RAND()<1.%d", " AND 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", str(randomRange(1,100))) payload = agent.fullPayload(check) result = Request.queryPage(payload) if result: retVal = version else: failed = True break if failed: break return retVal def __dialectCheck(self): retVal = None if kb.dbms: payload = agent.fullPayload(" AND EXISTS(SELECT CURRENT_DATE FROM RDB$DATABASE)") result = Request.queryPage(payload) retVal = "dialect 3" if result else "dialect 1" return retVal def checkDbms(self): if conf.dbms in FIREBIRD_ALIASES: setDbms("Firebird") self.getBanner() if not conf.extensiveFp: return True logMsg = "testing Firebird" logger.info(logMsg) randInt = randomInt() payload = agent.fullPayload(" AND EXISTS(SELECT * FROM RDB$DATABASE WHERE %d=%d)" % (randInt, randInt)) result = Request.queryPage(payload) if result: logMsg = "confirming Firebird" logger.info(logMsg) payload = agent.fullPayload(" AND EXISTS(SELECT CURRENT_USER FROM RDB$DATABASE)") result = Request.queryPage(payload) if not result: warnMsg = "the back-end DMBS is not Firebird" logger.warn(warnMsg) return False setDbms("Firebird") self.getBanner() if not conf.extensiveFp: return True kb.dbmsVersion = [self.__sysTablesCheck()] return True else: warnMsg = "the back-end DMBS is not Firebird" logger.warn(warnMsg) return False def getDbs(self): warnMsg = "on Firebird it is not possible to enumerate databases" logger.warn(warnMsg) return [] def getPasswordHashes(self): warnMsg = "on Firebird it is not possible to enumerate the user password hashes" logger.warn(warnMsg) return {} def readFile(self, rFile): errMsg = "on Firebird it is not possible to read files" raise sqlmapUnsupportedFeatureException, errMsg def writeFile(self, wFile, dFile, fileType=None, confirm=True): errMsg = "on Firebird it is not possible to write files" raise sqlmapUnsupportedFeatureException, errMsg def osCmd(self): errMsg = "on Firebird it is not possible to execute commands" raise sqlmapUnsupportedFeatureException, errMsg def osShell(self): errMsg = "on Firebird it is not possible to execute commands" raise sqlmapUnsupportedFeatureException, errMsg def osPwn(self): errMsg = "on Firebird it is not possible to establish an " errMsg += "out-of-band connection" raise sqlmapUnsupportedFeatureException, errMsg def osSmb(self): errMsg = "on Firebird it is not possible to establish an " errMsg += "out-of-band connection" raise sqlmapUnsupportedFeatureException, errMsg def forceDbmsEnum(self): conf.db = "Firebird"