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1 | # SPDX-License-Identifier: LGPL-2.1+ |
2 | # | |
3 | # This file is part of systemd. | |
4 | # | |
5 | # systemd is free software; you can redistribute it and/or modify it | |
6 | # under the terms of the GNU Lesser General Public License as published by | |
7 | # the Free Software Foundation; either version 2.1 of the License, or | |
8 | # (at your option) any later version. | |
9 | ||
10 | [Unit] | |
11 | Description=Store a System Token in an EFI Variable | |
12 | Documentation=man:systemd-boot-system-token.service(8) | |
13 | DefaultDependencies=no | |
14 | Conflicts=shutdown.target | |
15 | After=local-fs.target systemd-random-seed.service | |
16 | Before=shutdown.target | |
17 | ||
18 | # Don't run this in a VM environment, because there EFI variables are not | |
19 | # actually stored in NVRAM, independent of regular storage. | |
20 | ConditionVirtualization=no | |
21 | ||
22 | # Only run this if the boot loader can support random seed initialization. | |
23 | ConditionPathExists=/sys/firmware/efi/efivars/LoaderFeatures-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f | |
24 | ||
25 | # Only run this if there is no system token defined yet, or … | |
26 | ConditionPathExists=|!/sys/firmware/efi/efivars/LoaderSystemToken-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f | |
27 | ||
28 | # … if the boot loader didn't pass the OS a random seed (and thus probably was missing the random seed file) | |
29 | ConditionPathExists=|!/sys/firmware/efi/efivars/LoaderRandomSeed-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f | |
30 | ||
31 | [Service] | |
32 | Type=oneshot | |
33 | RemainAfterExit=yes | |
34 | ExecStart=@bindir@/bootctl random-seed |