'''
vdFactory.py

Copyright 2006 Andres Riancho

This file is part of w3af, w3af.sourceforge.net .

w3af 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.

w3af 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 w3af; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

'''

from core.controllers.vdaemon.lnxVd import lnxVd
from core.controllers.vdaemon.winVd import winVd

import core.controllers.outputManager as om
from core.controllers.intrusionTools.execMethodHelpers import *
from core.controllers.w3afException import w3afException


def getVirtualDaemon( exec_method ):
    '''
    Uses the exec_method to run remote commands and determine what's the remote OS is,
    and based on that info, it returns the corresponding virtual daemon.
    '''
    try:
        os = osDetectionExec( exec_method )
    except w3afException, w3:
        raise w3
    else:
        if os == 'windows':
            om.out.debug('Identified remote OS as Windows, returning winVd object.')
            return winVd( exec_method )
        elif os == 'linux':
            om.out.debug('Identified remote OS as Linux, returning lnxVd object.')
            return lnxVd( exec_method )
        else:
            raise w3afException('Failed to get a virtual daemon for the remote OS: ' + os )
