units/systemd-logind.service.in

   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=Login Service
  12 Documentation=man:systemd-logind.service(8) man:logind.conf(5)
  13 Documentation=https://www.freedesktop.org/wiki/Software/systemd/logind
  14 Documentation=https://www.freedesktop.org/wiki/Software/systemd/multiseat
  15 Wants=user.slice
  16 After=nss-user-lookup.target user.slice
  17
  18 # Ask for the dbus socket.
  19 Wants=dbus.socket
  20 After=dbus.socket
  21
  22 [Service]
  23 BusName=org.freedesktop.login1
  24 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
  25 DeviceAllow=char-/dev/console rw
  26 DeviceAllow=char-drm rw
  27 DeviceAllow=char-input rw
  28 DeviceAllow=char-tty rw
  29 DeviceAllow=char-vcs rw
  30 # Make sure the DeviceAllow= lines above can work correctly when referenceing char-drm
  31 ExecStartPre=-/sbin/modprobe -abq drm
  32 ExecStart=@rootlibexecdir@/systemd-logind
  33 FileDescriptorStoreMax=512
  34 IPAddressDeny=any
  35 LockPersonality=yes
  36 MemoryDenyWriteExecute=yes
  37 NoNewPrivileges=yes
  38 PrivateTmp=yes
  39 ProtectControlGroups=yes
  40 ProtectHome=yes
  41 ProtectHostname=yes
  42 ProtectKernelModules=yes
  43 ProtectSystem=strict
  44 ReadWritePaths=/etc /run
  45 Restart=always
  46 RestartSec=0
  47 RestrictAddressFamilies=AF_UNIX AF_NETLINK
  48 RestrictNamespaces=yes
  49 RestrictRealtime=yes
  50 RestrictSUIDSGID=yes
  51 RuntimeDirectory=systemd/sessions systemd/seats systemd/users systemd/inhibit systemd/shutdown
  52 RuntimeDirectoryPreserve=yes
  53 StateDirectory=systemd/linger
  54 SystemCallArchitectures=native
  55 SystemCallErrorNumber=EPERM
  56 SystemCallFilter=@system-service
  57 WatchdogSec=3min
  58
  59 # Increase the default a bit in order to allow many simultaneous logins since
  60 # we keep one fd open per session.
  61 LimitNOFILE=@HIGH_RLIMIT_NOFILE@