calamares/src/modules/openrcdmcryptcfg/main.py
2020-11-15 01:42:16 +02:00

82 lines
3.2 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# === This file is part of Calamares - <https://calamares.io> ===
#
# SPDX-FileCopyrightText: 2017 Ghiunhan Mamut <venerix@redcorelinux.org>
# SPDX-FileCopyrightText: 2019 Adriaan de Groot <groot@kde.org>
# SPDX-License-Identifier: GPL-3.0-or-later
#
# Calamares is Free Software: see the License-Identifier above.
#
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.")
def write_dmcrypt_conf(partitions, root_mount_point, dmcrypt_conf_path):
crypto_target = ""
crypto_source = ""
unencrypted_separate_boot = any(p["mountPoint"] == "/boot" and "luksMapperName" not in p for p in partitions)
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)
# Don't use keyfile if boot is unencrypted, keys must not be stored on unencrypted partitions
if not unencrypted_separate_boot:
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")
if not partitions:
libcalamares.utils.warning("partitions is empty, {!s}".format(partitions))
return (_("Configuration Error"),
_("No partitions are defined for <pre>{!s}</pre> to use." ).format("openrcdmcryptcfg"))
if not root_mount_point:
libcalamares.utils.warning("rootMountPoint is empty, {!s}".format(root_mount_point))
return (_("Configuration Error"),
_("No root mount point is given for <pre>{!s}</pre> to use." ).format("openrcdmcryptcfg"))
dmcrypt_conf_path = dmcrypt_conf_path.lstrip('/')
return write_dmcrypt_conf(partitions, root_mount_point, dmcrypt_conf_path)