This file is indexed.

/usr/share/epoptes-client/endsession is in epoptes-client 0.5.10-2.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/bin/sh
###########################################################################
# Requests a logout, reboot or shutdown.
# Currently it supports Gnome, KDE, XFCE and LXDE.
# Usage: endsession --logout|--reboot|--shutdown
#
# Copyright (C) 2011 Alkis Georgopoulos <alkisg@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# On Debian GNU/Linux systems, the complete text of the GNU General
# Public License can be found in `/usr/share/common-licenses/GPL'.
###########################################################################

die() {
    echo "$@" >&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: endsession --logout|--reboot|--shutdown"
        ;;
esac

do_$action