calamares/src/modules/openrcdmcryptcfg/main.py

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2017-12-02 20:47:34 +01:00
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# === This file is part of Calamares - <https://github.com/calamares> ===
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#
# Copyright 2017, Ghiunhan Mamut <venerix@redcorelinux.org>
# Copyright 2019, Adriaan de Groot <groot@kde.org>
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#
# Calamares 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 3 of the License, or
# (at your option) any later version.
#
# Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
import os.path
import libcalamares
import gettext
_ = gettext.translation("calamares-python",
localedir=libcalamares.utils.gettext_path(),
languages=libcalamares.utils.gettext_languages(),
fallback=True).gettext
def pretty_name():
return _("Configuring OpenRC dmcrypt service.")
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def write_dmcrypt_conf(partitions, root_mount_point, dmcrypt_conf_path):
crypto_target = ""
crypto_source = ""
for partition in partitions:
has_luks = "luksMapperName" in partition
skip_partitions = partition["mountPoint"] == "/" or partition["fs"] == "linuxswap"
if not has_luks and not skip_partitions:
libcalamares.utils.debug(
"Skip writing OpenRC LUKS configuration for partition {!s}".format(partition["mountPoint"]))
if has_luks and not skip_partitions:
crypto_target = partition["luksMapperName"]
crypto_source = "/dev/disk/by-uuid/{!s}".format(partition["uuid"])
libcalamares.utils.debug(
"Writing OpenRC LUKS configuration for partition {!s}".format(partition["mountPoint"]))
with open(os.path.join(root_mount_point, dmcrypt_conf_path), 'a+') as dmcrypt_file:
dmcrypt_file.write("\ntarget=" + crypto_target)
dmcrypt_file.write("\nsource=" + crypto_source)
dmcrypt_file.write("\nkey=/crypto_keyfile.bin")
dmcrypt_file.write("\n")
if has_luks and skip_partitions:
pass # root and swap partitions should be handled by initramfs generators
return None
def run():
"""
This module configures OpenRC dmcrypt service for LUKS encrypted partitions.
:return:
"""
root_mount_point = libcalamares.globalstorage.value("rootMountPoint")
dmcrypt_conf_path = libcalamares.job.configuration["configFilePath"]
partitions = libcalamares.globalstorage.value("partitions")
dmcrypt_conf_path = dmcrypt_conf_path.lstrip('/')
return write_dmcrypt_conf(partitions, root_mount_point, dmcrypt_conf_path)