9af2820694
While the need for access to character devices can be tricky to determine for the general case, it's obvious that most of our services have no need to access block devices. For logind and timedated this can be tightened further.
60 lines
1.8 KiB
SYSTEMD
60 lines
1.8 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=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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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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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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WatchdogSec=3min
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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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