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#!/bin/sh
# This file is part of Epoptes, https://epoptes.org
# Copyright 2011-2018 the Epoptes team, see AUTHORS.
# SPDX-License-Identifier: GPL-3.0-or-later
usage() {
printf "Usage: $0 --logout|--reboot|--shutdown\n%s" \
'
Request a logout, reboot or shutdown.
Currently it supports Gnome, KDE, XFCE and LXDE.
'
}
die() {
printf "%s\n" "$@" >&2
exit 1
}
is_root() {
test $(id -u) -eq 0
}
is_ltsp() {
test -n "$LTSP_CLIENT"
}
do_logout() {
# Reset the xprop in case the user asks for a reboot, cancels it
# (e.g. unsaved work), and then he asks for a logout instead.
if [ $action = "logout" ] && is_ltsp; then
# LTSP_LOGOUT_ACTION might not exist, but we don't care
xprop -root -remove LTSP_LOGOUT_ACTION 2>/dev/null
fi
# Gnome
dbus-send --session --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.gnome.SessionManager /org/gnome/SessionManager \
org.gnome.SessionManager.Logout uint32:1 2>&1 && return
# KDE
dbus-send --session --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.kde.ksmserver /KSMServer org.kde.KSMServerInterface.logout \
int32:0 int32:0 int32:0 2>&1 && return
# Mate
dbus-send --session --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.mate.SessionManager /org/mate/SessionManager \
org.mate.SessionManager.Logout uint32:1 2>&1 && return
# XFCE
xfce4-session-logout --logout 2>&1 && return
# LXDE
test -n "$_LXSESSION_PID" && kill "$_LXSESSION_PID" && return
# systemd
test -n "$XDG_SESSION_ID" && \
dbus-send --system --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.freedesktop.login1 /org/freedesktop/login1 \
org.freedesktop.login1.Manager.TerminateSession string:"$XDG_SESSION_ID" \
2>&1 && return
die "I don't know how to logout in this environment"
}
do_reboot() {
if is_root; then
reboot && return
elif is_ltsp; then
# Notify ldm that we want to reboot after logoff
xprop -root -f LTSP_LOGOUT_ACTION 8s -set LTSP_LOGOUT_ACTION REBOOT
do_logout && return
fi
# Gnome
dbus-send --session --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.gnome.SessionManager /org/gnome/SessionManager \
org.gnome.SessionManager.RequestReboot 2>&1 && return
# KDE
dbus-send --session --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.kde.ksmserver /KSMServer org.kde.KSMServerInterface.logout \
int32:0 int32:1 int32:0 2>&1 && return
# Mate
dbus-send --session --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.mate.SessionManager /org/mate/SessionManager \
org.mate.SessionManager.RequestReboot 2>&1 && return
# XFCE and LXDE
dbus-send --session --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.freedesktop.PowerManagement /org/freedesktop/PowerManagement \
org.freedesktop.PowerManagement.Reboot 2>&1 && return
# systemd
dbus-send --system --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.freedesktop.login1 /org/freedesktop/login1 \
org.freedesktop.login1.Manager.Reboot boolean:true 2>&1 && return
# ConsoleKit is the last resort since it doesn't allow inhibiting
dbus-send --system --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.freedesktop.ConsoleKit /org/freedesktop/ConsoleKit/Manager \
org.freedesktop.ConsoleKit.Manager.Restart 2>&1 && return
die "I don't know how to reboot in this environment"
}
do_shutdown() {
if is_root; then
poweroff && return
elif is_ltsp; then
# Notify ldm that we want to poweroff after logoff
xprop -root -f LTSP_LOGOUT_ACTION 8s -set LTSP_LOGOUT_ACTION HALT
do_logout && return
fi
# Gnome
dbus-send --session --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.gnome.SessionManager /org/gnome/SessionManager \
org.gnome.SessionManager.RequestShutdown 2>&1 && return
# KDE
dbus-send --session --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.kde.ksmserver /KSMServer org.kde.KSMServerInterface.logout \
int32:0 int32:2 int32:0 2>&1 && return
# Mate
dbus-send --session --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.mate.SessionManager /org/mate/SessionManager \
org.mate.SessionManager.RequestShutdown 2>&1 && return
# XFCE and LXDE
dbus-send --session --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.freedesktop.PowerManagement /org/freedesktop/PowerManagement \
org.freedesktop.PowerManagement.Shutdown && return
# systemd
dbus-send --system --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.freedesktop.login1 /org/freedesktop/login1 \
org.freedesktop.login1.Manager.PowerOff boolean:true 2>&1 && return
# ConsoleKit is the last resort since it doesn't allow inhibiting
dbus-send --system --type=method_call --print-reply --reply-timeout=2000 \
--dest=org.freedesktop.ConsoleKit /org/freedesktop/ConsoleKit/Manager \
org.freedesktop.ConsoleKit.Manager.Stop 2>&1 && return
die "I don't know how to shutdown in this environment"
}
# main
# Hide all dbus output unless DEBUG is set.
test -z "$DEBUG" && exec >/dev/null
case "$1" in
-l|--logout)
action=logout
;;
-r|--reboot)
action=reboot
;;
-s|--shutdown)
action=shutdown
;;
*)
die "$(usage)"
;;
esac
do_$action
|
