6168ae5840
We set ProtectKernelLogs=yes on all long running services except for udevd, since it accesses /dev/kmsg, and journald, since it calls syslog and accesses /dev/kmsg.
64 lines
2 KiB
SYSTEMD
64 lines
2 KiB
SYSTEMD
# SPDX-License-Identifier: LGPL-2.1+
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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=Login Service
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Documentation=man:systemd-logind.service(8) man:logind.conf(5)
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Documentation=https://www.freedesktop.org/wiki/Software/systemd/logind
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Documentation=https://www.freedesktop.org/wiki/Software/systemd/multiseat
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Wants=user.slice
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After=nss-user-lookup.target user.slice
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# Ask for the dbus socket.
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Wants=dbus.socket
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After=dbus.socket
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[Service]
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BusName=org.freedesktop.login1
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CapabilityBoundingSet=CAP_SYS_ADMIN CAP_MAC_ADMIN CAP_AUDIT_CONTROL CAP_CHOWN CAP_DAC_READ_SEARCH CAP_DAC_OVERRIDE CAP_FOWNER CAP_SYS_TTY_CONFIG CAP_LINUX_IMMUTABLE
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DeviceAllow=block-* r
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DeviceAllow=char-/dev/console rw
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DeviceAllow=char-drm rw
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DeviceAllow=char-input rw
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DeviceAllow=char-tty rw
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DeviceAllow=char-vcs rw
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# Make sure the DeviceAllow= lines above can work correctly when referenceing char-drm
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ExecStartPre=-/sbin/modprobe -abq drm
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ExecStart=@rootlibexecdir@/systemd-logind
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FileDescriptorStoreMax=512
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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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PrivateTmp=yes
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ProtectControlGroups=yes
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ProtectHome=yes
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ProtectHostname=yes
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ProtectKernelModules=yes
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ProtectKernelLogs=yes
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ProtectSystem=strict
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ReadWritePaths=/etc /run
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Restart=always
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RestartSec=0
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RestrictAddressFamilies=AF_UNIX AF_NETLINK
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RestrictNamespaces=yes
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RestrictRealtime=yes
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RestrictSUIDSGID=yes
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RuntimeDirectory=systemd/sessions systemd/seats systemd/users systemd/inhibit systemd/shutdown
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RuntimeDirectoryPreserve=yes
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StateDirectory=systemd/linger
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SystemCallArchitectures=native
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SystemCallErrorNumber=EPERM
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SystemCallFilter=@system-service
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@SERVICE_WATCHDOG@
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# Increase the default a bit in order to allow many simultaneous logins since
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# we keep one fd open per session.
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LimitNOFILE=@HIGH_RLIMIT_NOFILE@
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