# Volatility
# Copyright (C) 2007-2013 Volatility Foundation
#
# This file is part of Volatility.
#
# Volatility 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; either version 2 of the License, or
# (at your option) any later version.
#
# Volatility 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 Volatility.  If not, see <http://www.gnu.org/licenses/>.
#

"""
@author:       Andrew Case
@license:      GNU General Public License 2.0
@contact:      atcuno@gmail.com
@organization: 
"""

import volatility.obj as obj
import volatility.plugins.mac.common as common
import volatility.plugins.mac.list_zones as list_zones
import volatility.plugins.mac.pslist as pslist

class mac_dead_vnodes(pslist.mac_pslist):
    """ Lists freed vnode structures """

    def calculate(self):
        common.set_plugin_members(self)
    
        zones = list_zones.mac_list_zones(self._config).calculate()

        for zone in zones:
            name = str(zone.zone_name.dereference())
            if name == "vnodes":
                vnodes = zone.get_free_elements("vnode")        
                for vnode in vnodes:
                    yield vnode

    def render_text(self, outfd, data):
        for vnode in data:
            path = vnode.full_path()
            if path:
                outfd.write("{0:s}\n".format(path))