cryptonas/plugins/volume_format_fs/volume_format_fs.py

137 lines
4.9 KiB
Python

#
# 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 cbx_container
## map filesystem types to the appropriate arguments for 'mkfs'
FSTYPES = {
"windows": "vfat",
"linux": "ext3" }
class volume_format_fs(cryptobox.plugins.base.CryptoBoxPlugin):
plugin_capabilities = [ "volume" ]
plugin_visibility = [ "volume" ]
request_auth = True
rank = 60
def do_action(self, store=None, fs_type="windows", container_type="luks",
crypto_password=None, crypto_password2=None, confirm=None):
container = self.cbox.get_container(self.device)
## exit immediately if the device is not writeable
if not container.is_writeable():
self.hdf["Data.Warning"] = "DeviceNotWriteable"
return "empty"
if not fs_type in FSTYPES.keys():
self.cbox.log.info("Invalid filesystem type choosen: %s" % str(fs_type))
return "volume_format"
self.hdf[self.hdf_prefix + "fs_type"] = fs_type
if not container_type in ['plain', 'luks']:
self.cbox.log.info("Invalid container type type choosen: %s" % \
str(container_type))
return "volume_format"
self.hdf[self.hdf_prefix + "container_type"] = container_type
for t in FSTYPES.keys():
self.hdf[self.hdf_prefix + "fs_types." + t] = t
if store == "step1":
if not confirm:
self.cbox.log.info("Missing confirmation for formatting of " + \
"filesystem: %s" % self.device)
self.hdf["Data.Warning"] = "Plugins.volume_format_fs.FormatNotConfirmed"
return "volume_format"
if container_type == "luks":
return "volume_format_luks"
elif container_type == "plain":
return self.__format_plain(FSTYPES[fs_type])
elif store == "step2":
if container_type == "luks":
return self.__format_luks(FSTYPES[fs_type],
crypto_password, crypto_password2)
else:
self.cbox.log.info("Invalid input value for 'container_type': %s" \
% container_type)
return "volume_format"
elif store:
self.cbox.log.info("Invalid input value for 'store': %s" % store)
return "volume_format"
else:
return "volume_format"
def get_status(self):
return "no status"
def __format_plain(self, fs_type):
try:
container = self.cbox.get_container(self.device)
container.create(cbx_container.CONTAINERTYPES["plain"], fs_type=fs_type)
except CBVolumeIsActive:
self.hdf["Data.Warning"] = "VolumeMayNotBeMounted"
self.cbox.log.info("Initialization is not possible as long as the device " \
+ "(%s) is mounted" % self.device)
return "volume_format"
except CBContainerError, err_msg:
self.hdf["Data.Warning"] = "Plugins.volume_format_fs.FormatFailed"
self.cbox.log.error("Initialization of the device (%s) failed: %s" % \
(self.device, err_msg))
return "volume_format"
else:
self.hdf["Data.Success"] = "Plugins.volume_format_fs.FormatSuccess"
self.cbox.log.info("Successfully initialized device '%s'" % self.device)
return { "plugin":"disks", "values":{} }
def __format_luks(self, fs_type, pw, pw2):
if not pw:
self.hdf["Data.Warning"] = "EmptyPassword"
self.cbox.log.info("No crypto password was supplied for initialization " \
+ "of device '%s'" % self.device)
return "volume_format"
if pw != pw2:
self.hdf["Data.Warning"] = "DifferentPasswords"
self.cbox.log.info("The crypto password was not repeated correctly for " \
+ "initialization of device '%s'" % self.device)
return "volume_format"
container = self.cbox.get_container(self.device)
try:
container.create(cbx_container.CONTAINERTYPES["luks"],
fs_type=fs_type, password=pw)
except CBVolumeIsActive:
self.hdf["Data.Warning"] = "VolumeMayNotBeMounted"
self.cbox.log.info("Initialization is not possible as long as the device " \
+ "(%s) is mounted" % self.device)
return "volume_format"
except CBContainerError, err_msg:
self.hdf["Data.Warning"] = "Plugins.volume_format_fs.FormatFailed"
self.cbox.log.error("Initialization of the device (%s) failed: %s" % \
(self.device, err_msg))
return "volume_format"
else:
self.hdf["Data.Success"] = "Plugins.volume_format_fs.FormatSuccess"
self.cbox.log.info("Successfully initialized device '%s'" % self.device)
return { "plugin":"disks", "values":{} }