Prevent laptop grab theft

pingBTOrLock

#!/bin/bash

DEVICE="$1"
SCAN_DELAY=10

trap ctrl_c INT

function ctrl_c() {
  echo "Shutting down..."
  exit 0
}

[[ -z "$DEVICE" ]] && echo "Please provide an BT MAC as first argument." && exit 1

echo "Starting..."

while sudo hcitool info $DEVICE >/dev/null 2>&1; do
  echo "[OK] REACHABLE"
  sleep $SCAN_DELAY
done

echo "[ERROR] Device $DEVICE is not reachable ! Locking screen."

cinnamon-screensaver-command -l -m "Potential theft detected"

exit 1