Paul Meyer
087b0ebb61
Apply sandboxing. The plain backend's needs writable StateDirectory and /dev/urandom for key generation. The service must stay root (the private key is root-only), but everything else is locked down. Signed-off-by: Paul Meyer <katexochen0@gmail.com>
51 lines
1.3 KiB
Plaintext
51 lines
1.3 KiB
Plaintext
# SPDX-License-Identifier: LGPL-2.1-or-later
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#
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# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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[Unit]
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Description=Report Signing Service (Local Software Key)
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Documentation=man:systemd-report-sign-plain@.service(8)
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DefaultDependencies=no
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Conflicts=shutdown.target
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Before=shutdown.target
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WantsMountsFor=/var/lib/systemd/report.sign.plain
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[Service]
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StateDirectory=systemd/report.sign.plain
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StateDirectoryMode=0700
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ExecStart={{LIBEXECDIR}}/systemd-report-sign-plain
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CapabilityBoundingSet=
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DeviceAllow=
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IPAddressDeny=any
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LockPersonality=yes
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MemoryDenyWriteExecute=yes
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NoNewPrivileges=yes
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PrivateDevices=yes
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PrivateIPC=yes
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PrivateNetwork=yes
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PrivateTmp=disconnected
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ProtectClock=yes
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ProtectControlGroups=yes
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ProtectHome=yes
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ProtectHostname=yes
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ProtectKernelLogs=yes
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ProtectKernelModules=yes
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ProtectKernelTunables=yes
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ProtectProc=invisible
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ProtectSystem=strict
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RestrictAddressFamilies=AF_UNIX
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RestrictNamespaces=yes
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RestrictRealtime=yes
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RestrictSUIDSGID=yes
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RuntimeMaxSec=5min
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SystemCallArchitectures=native
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SystemCallErrorNumber=EPERM
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SystemCallFilter=@system-service
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SystemCallFilter=~@privileged @resources
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UMask=0077
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