#!/usr/bin/env python """ Copyright (c) 2006-2019 sqlmap developers (http://sqlmap.org/) See the file 'LICENSE' for copying permission """ from lib.core.common import Backend from lib.core.common import Format 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.enums import OS from lib.core.session import setDbms from lib.core.settings import PGSQL_ALIASES from lib.request import inject from plugins.generic.fingerprint import Fingerprint as GenericFingerprint class Fingerprint(GenericFingerprint): def __init__(self): GenericFingerprint.__init__(self, DBMS.PGSQL) def getFingerprint(self): value = "" wsOsFp = Format.getOs("web server", kb.headersFp) if wsOsFp: value += "%s\n" % wsOsFp if kb.data.banner: dbmsOsFp = Format.getOs("back-end DBMS", kb.bannerFp) if dbmsOsFp: value += "%s\n" % dbmsOsFp value += "back-end DBMS: " if not conf.extensiveFp: value += DBMS.PGSQL return value actVer = Format.getDbms() blank = " " * 15 value += "active fingerprint: %s" % actVer if kb.bannerFp: banVer = kb.bannerFp.get("dbmsVersion") if banVer: banVer = Format.getDbms([banVer]) value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer) htmlErrorFp = Format.getErrorParsedDBMSes() if htmlErrorFp: value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp) return value def checkDbms(self): """ References for fingerprint: * https://www.postgresql.org/docs/current/static/release.html """ if not conf.extensiveFp and Backend.isDbmsWithin(PGSQL_ALIASES): setDbms(DBMS.PGSQL) self.getBanner() return True infoMsg = "testing %s" % DBMS.PGSQL logger.info(infoMsg) result = inject.checkBooleanExpression("QUOTE_IDENT(NULL) IS NULL") if result: infoMsg = "confirming %s" % DBMS.PGSQL logger.info(infoMsg) result = inject.checkBooleanExpression("COALESCE([RANDNUM], NULL)=[RANDNUM]") if not result: warnMsg = "the back-end DBMS is not %s" % DBMS.PGSQL logger.warn(warnMsg) return False setDbms(DBMS.PGSQL) self.getBanner() if not conf.extensiveFp: return True infoMsg = "actively fingerprinting %s" % DBMS.PGSQL logger.info(infoMsg) if inject.checkBooleanExpression("SHA256(NULL) IS NULL"): Backend.setVersion(">= 11.0") elif inject.checkBooleanExpression("XMLTABLE(NULL) IS NULL"): Backend.setVersionList([">= 10.0", "< 11.0"]) elif inject.checkBooleanExpression("SIND(0)=0"): Backend.setVersionList([">= 9.6.0", "< 10.0"]) elif inject.checkBooleanExpression("TO_JSONB(1) IS NOT NULL"): Backend.setVersionList([">= 9.5.0", "< 9.6.0"]) elif inject.checkBooleanExpression("JSON_TYPEOF(NULL) IS NULL"): Backend.setVersionList([">= 9.4.0", "< 9.5.0"]) elif inject.checkBooleanExpression("ARRAY_REPLACE(NULL,1,1) IS NULL"): Backend.setVersionList([">= 9.3.0", "< 9.4.0"]) elif inject.checkBooleanExpression("ROW_TO_JSON(NULL) IS NULL"): Backend.setVersionList([">= 9.2.0", "< 9.3.0"]) elif inject.checkBooleanExpression("REVERSE('sqlmap')='pamlqs'"): Backend.setVersionList([">= 9.1.0", "< 9.2.0"]) elif inject.checkBooleanExpression("LENGTH(TO_CHAR(1,'EEEE'))>0"): Backend.setVersionList([">= 9.0.0", "< 9.1.0"]) elif inject.checkBooleanExpression("2=(SELECT DIV(6,3))"): Backend.setVersionList([">= 8.4.0", "< 9.0.0"]) elif inject.checkBooleanExpression("EXTRACT(ISODOW FROM CURRENT_TIMESTAMP)<8"): Backend.setVersionList([">= 8.3.0", "< 8.4.0"]) elif inject.checkBooleanExpression("ISFINITE(TRANSACTION_TIMESTAMP())"): Backend.setVersionList([">= 8.2.0", "< 8.3.0"]) elif inject.checkBooleanExpression("9=(SELECT GREATEST(5,9,1))"): Backend.setVersionList([">= 8.1.0", "< 8.2.0"]) elif inject.checkBooleanExpression("3=(SELECT WIDTH_BUCKET(5.35,0.024,10.06,5))"): Backend.setVersionList([">= 8.0.0", "< 8.1.0"]) elif inject.checkBooleanExpression("'d'=(SELECT SUBSTR(MD5('sqlmap'),1,1))"): Backend.setVersionList([">= 7.4.0", "< 8.0.0"]) elif inject.checkBooleanExpression("'p'=(SELECT SUBSTR(CURRENT_SCHEMA(),1,1))"): Backend.setVersionList([">= 7.3.0", "< 7.4.0"]) elif inject.checkBooleanExpression("8=(SELECT BIT_LENGTH(1))"): Backend.setVersionList([">= 7.2.0", "< 7.3.0"]) elif inject.checkBooleanExpression("'a'=(SELECT SUBSTR(QUOTE_LITERAL('a'),2,1))"): Backend.setVersionList([">= 7.1.0", "< 7.2.0"]) elif inject.checkBooleanExpression("8=(SELECT POW(2,3))"): Backend.setVersionList([">= 7.0.0", "< 7.1.0"]) elif inject.checkBooleanExpression("'a'=(SELECT MAX('a'))"): Backend.setVersionList([">= 6.5.0", "< 6.5.3"]) elif inject.checkBooleanExpression("VERSION()=VERSION()"): Backend.setVersionList([">= 6.4.0", "< 6.5.0"]) elif inject.checkBooleanExpression("2=(SELECT SUBSTR(CURRENT_DATE,1,1))"): Backend.setVersionList([">= 6.3.0", "< 6.4.0"]) elif inject.checkBooleanExpression("'s'=(SELECT SUBSTRING('sqlmap',1,1))"): Backend.setVersionList([">= 6.2.0", "< 6.3.0"]) else: Backend.setVersion("< 6.2.0") return True else: warnMsg = "the back-end DBMS is not %s" % DBMS.PGSQL logger.warn(warnMsg) return False def checkDbmsOs(self, detailed=False): if Backend.getOs(): return infoMsg = "fingerprinting the back-end DBMS operating system" logger.info(infoMsg) self.createSupportTbl(self.fileTblName, self.tblField, "character(10000)") inject.goStacked("INSERT INTO %s(%s) VALUES (%s)" % (self.fileTblName, self.tblField, "VERSION()")) # Windows executables should always have ' Visual C++' or ' mingw' # patterns within the banner osWindows = (" Visual C++", "mingw") for osPattern in osWindows: query = "(SELECT LENGTH(%s) FROM %s WHERE %s " % (self.tblField, self.fileTblName, self.tblField) query += "LIKE '%" + osPattern + "%')>0" if inject.checkBooleanExpression(query): Backend.setOs(OS.WINDOWS) break if Backend.getOs() is None: Backend.setOs(OS.LINUX) infoMsg = "the back-end DBMS operating system is %s" % Backend.getOs() logger.info(infoMsg) self.cleanup(onlyFileTbl=True)