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+#!/usr/bin/python2
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+# -*- encoding: utf8 -*-
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+#
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+# The Qubes OS Project, http://www.qubes-os.org
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+#
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+# Copyright (C) 2010-2015 Joanna Rutkowska <joanna@invisiblethingslab.com>
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+# Copyright (C) 2015 Wojtek Porczyk <woju@invisiblethingslab.com>
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+# Copyright (C) 2016 Bahtiar `kalkin-` Gadimov <bahtiar@gadimov.de>
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+#
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+# This program is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 2 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License along
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+# with this program; if not, write to the Free Software Foundation, Inc.,
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+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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+#
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+import os
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+
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+from qubes.exc import QubesVMError
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+from qubes.storage import Pool, StoragePoolException, Volume
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+
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+
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+class LinuxModules(Volume):
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+ rw = False
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+
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+ def __init__(self, target_dir, kernel_version, **kwargs):
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+ super(LinuxModules, self).__init__(**kwargs)
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+ self.kernels_dir = os.path.join(target_dir, kernel_version)
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+ self.path = os.path.join(self.kernels_dir, 'modules.img')
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+ self.vid = self.path
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+
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+
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+class LinuxKernel(Pool):
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+ driver = 'linux-kernel'
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+
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+ def __init__(self, name=None, dir_path=None):
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+ assert dir_path, 'Missing dir_path'
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+ super(LinuxKernel, self).__init__(name=name)
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+ self.dir_path = dir_path
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+
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+ def init_volume(self, volume_config):
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+ assert 'volume_type' in volume_config, "Volume type missing " \
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+ + str(volume_config)
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+ volume_type = volume_config['volume_type']
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+ if volume_type != 'read-only':
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+ raise StoragePoolException("Unknown volume type " + volume_type)
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+
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+ return LinuxModules(self.dir_path, self.vm.kernel, **volume_config)
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+
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+ def clone(self, source, target):
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+ return target
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+
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+ def create(self, volume, source_volume):
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+ return volume
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+
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+ def commit_template_changes(self, volume):
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+ return volume
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+
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+ @property
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+ def config(self):
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+ return {
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+ 'name': self.name,
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+ 'dir_path': self.dir_path,
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+ 'driver': LinuxKernel.driver,
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+ }
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+
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+ def remove(self, volume):
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+ pass
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+
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+ def rename(self, volume, old_name, new_name):
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+ return volume
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+
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+ def start(self, volume):
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+ path = volume.path
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+ if not os.path.exists(path):
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+ msg = 'VM %s is missing modules: %s' % (self.vm.name, path)
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+ raise QubesVMError(self.vm, msg)
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+ return volume
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+
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+ def stop(self, volume):
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+ pass
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Bahtiar `kalkin-` Gadimov