units: automatically initialize the system token if that makes sense

This commit is contained in:
Lennart Poettering 2019-07-19 18:06:00 +02:00
parent d6e9a347a5
commit d985064a8b
2 changed files with 36 additions and 0 deletions

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@ -135,6 +135,8 @@ in_units = [
'sysinit.target.wants/'],
['systemd-bless-boot.service', 'ENABLE_EFI HAVE_BLKID'],
['systemd-boot-check-no-failures.service', ''],
['systemd-boot-system-token.service', 'ENABLE_EFI',
'sysinit.target.wants/'],
['systemd-coredump@.service', 'ENABLE_COREDUMP'],
['systemd-pstore.service', 'ENABLE_PSTORE'],
['systemd-firstboot.service', 'ENABLE_FIRSTBOOT',

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@ -0,0 +1,34 @@
# SPDX-License-Identifier: LGPL-2.1+
#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
[Unit]
Description=Store a System Token in an EFI Variable
Documentation=man:systemd-boot-system-token.service(8)
DefaultDependencies=no
Conflicts=shutdown.target
After=local-fs.target systemd-random-seed.service
Before=shutdown.target
# Don't run this in a VM environment, because there EFI variables are not
# actually stored in NVRAM, independent of regular storage.
ConditionVirtualization=no
# Only run this if the boot loader can support random seed initialization.
ConditionPathExists=/sys/firmware/efi/efivars/LoaderFeatures-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f
# Only run this if there is no system token defined yet, or …
ConditionPathExists=|!/sys/firmware/efi/efivars/LoaderSystemToken-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f
# … if the boot loader didn't pass the OS a random seed (and thus probably was missing the random seed file)
ConditionPathExists=|!/sys/firmware/efi/efivars/LoaderRandomSeed-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=@bindir@/bootctl random-seed