59 lines
2.0 KiB
Bash
59 lines
2.0 KiB
Bash
#!/bin/bash
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LOGFILE="/var/log/chromium-monitor.log"
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get_monitor() {
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sudo cat /var/lib/dhcp/* | grep -a "option monitor" | tail -1 | \
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awk '{ s = ""; for (i = 3; i <= NF; i++) s = s $i " "; print s}' | \
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awk -F '"' '{print $2}'
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}
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get_current_window() {
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DISPLAY=:0 xdotool getwindowfocus getwindowname | awk -F '- Chromium' '{print $1}'
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}
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monitor=""
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while [ -z "$monitor" ]; do
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monitor=$(get_monitor)
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echo "Current monitor: $monitor" >> $LOGFILE # Debug output
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if [ -z "$monitor" ]; then
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sleep 5
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fi
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done
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monitor_md5=$(echo -n ${monitor^^} | sed -e 's/^[[:space:]]*//' | md5sum | awk '{print $1}')
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echo "Monitor MD5: $monitor_md5" >> $LOGFILE # Debug output
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while true; do
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new_monitor=$(get_monitor)
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new_current=$(get_current_window)
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# Log the current state
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echo "New monitor: $new_monitor" >> $LOGFILE # Debug output
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echo "New current window: $new_current" >> $LOGFILE # Debug output
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if [ -n "$new_monitor" ] && [ -n "$new_current" ]; then
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new_monitor_md5=$(echo -n ${new_monitor^^} | sed -e 's/^[[:space:]]*//' | md5sum | awk '{print $1}')
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current_md5=$(echo -n ${new_current^^} | sed -e 's/^[[:space:]]*//' | md5sum | awk '{print $1}')
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# Log the computed MD5 hashes
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echo "New monitor MD5: $new_monitor_md5" >> $LOGFILE # Debug output
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echo "Current window MD5: $current_md5" >> $LOGFILE # Debug output
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if [ "$new_monitor_md5" != "$monitor_md5" ] && [ "$current_md5" != "$monitor_md5" ]; then
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echo "Mismatch detected. Rebooting now." >> $LOGFILE
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sudo reboot
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exit 1
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fi
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else
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echo "Either monitor or current is not available, skipping check." >> $LOGFILE
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fi
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# Log the status before sleeping
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echo "Sleeping for 5 seconds before the next check..." >> $LOGFILE
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sleep 5s
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done
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# Version 1.0:
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# Created 2024 by Tim Eertmoed, Christian Hampp @ WiS IT-Solutions GmbH, Germany to work on Raspian as custom pxe init script.
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