cryptonas-archive/v0.3.4/plugins/volume_mount/volume_mount.py

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2007-02-19 03:34:17 +01:00
#
# Copyright 2006 sense.lab e.V.
#
# This file is part of the CryptoBox.
#
# The CryptoBox 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.
#
# The CryptoBox 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 the CryptoBox; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
__revision__ = "$Id"
import cryptobox.plugins.base
from cryptobox.core.exceptions import *
import cryptobox.core.container as cbxContainer
class volume_mount(cryptobox.plugins.base.CryptoBoxPlugin):
plugin_capabilities = [ "volume" ]
plugin_visibility = [ "volume" ]
request_auth = False
rank = 0
def do_action(self, action=None, pw=None):
self.hdf[self.hdf_prefix + "PluginDir"] = self.plugin_dir
self.container = self.cbox.get_container(self.device)
if action == "mount_plain":
return self.__do_mount_plain()
elif action == "mount_luks":
return self.__do_mount_luks(pw)
elif action == "umount":
return self.__do_umount()
elif not action:
return "volume_status"
else:
self.cbox.log.info("plugin 'volume_mount' - unknown action: %s" % action)
return "volume_status"
def get_status(self):
container = self.cbox.get_container(self.device)
if not self.container:
return "invalid device"
if container.is_mounted():
return "active"
else:
return "passive"
def __do_mount_plain(self):
if self.container.is_mounted():
self.hdf["Data.Warning"] = "Plugins.volume_mount.IsAlreadyMounted"
self.cbox.log.info("the device (%s) is already mounted" % self.device)
return "volume_status"
if self.container.get_type() != cbxContainer.CONTAINERTYPES["plain"]:
## not a plain container
self.cbox.log.info("plugin 'volume_mount' - invalid container type")
self.hdf["Data.Warning"] = "Plugins.volume_mount.InvalidContainerType"
return "volume_status"
try:
self.container.mount()
except CBMountError, err_msg:
self.hdf["Data.Warning"] = "Plugins.volume_mount.MountFailed"
self.cbox.log.warn("failed to mount the device (%s): %s" \
% (self.device, err_msg))
return "volume_status"
except CBContainerError, err_msg:
self.hdf["Data.Warning"] = "Plugins.volume_mount.MountFailed"
self.cbox.log.warn("failed to mount the device (%s): %s" \
% (self.device, err_msg))
return "volume_status"
self.cbox.log.info("successfully mounted the volume: %s" % self.device)
self.hdf["Data.Success"] = "Plugins.volume_mount.MountDone"
return "volume_status"
def __do_mount_luks(self, pw):
if self.container.get_type() != cbxContainer.CONTAINERTYPES["luks"]:
## not a luks container - fail silently
self.cbox.log.info("plugin 'volume_mount' - invalid container type")
return "volume_status"
if self.container.is_mounted():
self.hdf["Data.Warning"] = "Plugins.volume_mount.IsAlreadyMounted"
self.cbox.log.info("the device (%s) is already mounted" % self.device)
return "volume_status"
if not pw:
self.hdf["Data.Warning"] = "EmptyPassword"
self.cbox.log.info("no password was supplied for mounting of device: '%s'" \
% self.device)
return "volume_status"
try:
self.container.mount(pw)
except CBMountError, err_msg:
self.hdf["Data.Warning"] = "Plugins.volume_mount.MountCryptoFailed"
self.cbox.log.warn("failed to mount the device (%s): %s" \
% (self.device, err_msg))
return "volume_status"
except CBContainerError, err_msg:
self.hdf["Data.Warning"] = "Plugins.volume_mount.MountCryptoFailed"
self.cbox.log.warn("failed to mount the device (%s): %s" \
% (self.device, err_msg))
return "volume_status"
self.cbox.log.info("successfully mounted the volume: %s" % self.device)
self.hdf["Data.Success"] = "Plugins.volume_mount.MountDone"
return "volume_status"
def __do_umount(self):
if not self.container.is_mounted():
self.hdf["Data.Warning"] = "Plugins.volume_mount.IsNotMounted"
self.cbox.log.info("the device (%s) is currently not mounted" % self.device)
return "volume_status"
try:
self.container.umount()
except CBUmountError, err_msg:
self.hdf["Data.Warning"] = "UmountFailed"
self.cbox.log.warn("could not umount the volume (%s): %s" \
% (self.device, err_msg))
return "volume_status"
self.cbox.log.info("successfully unmounted the container: %s" % self.device)
self.hdf["Data.Success"] = "Plugins.volume_mount.UmountDone"
return "volume_status"