47 lines
1.4 KiB
Bash
Executable file
47 lines
1.4 KiB
Bash
Executable file
#!/bin/bash
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#
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# logout idle users and shutdown machine
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#
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set -eu
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action="systemctl poweroff"
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uptime=$(cat /proc/uptime | cut -f1 -d.)
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maxidle=3600
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u=($(loginctl list-users --no-legend | sort -hr | head -1))
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una=${u[1]:-''}
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uid=${u[0]:-''}
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talk2dbus() {
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local display=":$(ls /tmp/.X11-unix/* | sed 's#/tmp/.X11-unix/X##' | head -n 1)"
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sudo -u $una DISPLAY=$display \
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DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$uid/bus "$@" 2>/dev/null
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}
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########
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## shutdown if nobody is loged in:
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if [[ -z "$una" ]] || [[ $uid -lt 1000 ]] ; then
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exec $action
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fi
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# FIXME: find idle time independent of running screensaver
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if ! t=$(talk2dbus qdbus org.kde.screensaver /ScreenSaver GetActiveTime) ; then
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echo "No graphical logins found."
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else
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idle=$(( t / 1000 ))
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if [[ $idle -gt $maxidle ]] && [[ ! -d "/srv/samba/schools/default-school/teachers/" ]] ; then
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talk2dbus notify-send -i system-shutdown -u critical -a 'Important System Information' \
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'Please log out, the system will shut down soon!' \
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'There has been no activity for too long.'
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## shutdown:
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#talk2dbus qdbus org.kde.ksmserver /KSMServer logout 1 2 0
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## logout:
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talk2dbus qdbus org.kde.ksmserver /KSMServer logout 1 0 0
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echo "Log-out user $una after being idle for $idle seconds."
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else
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echo "The user $una has been idle for $idle seconds."
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fi
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fi
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#w -s | grep tty | sed "s/[[:space:]]\+/ /g" | cut -f4 -d ' '
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