#!/usr/bin/env bash
# camera-privacy-toggle — blocca o sblocca la webcam via udev/permessi
set -euo pipefail

cmd="${1:-}"

if [[ "$cmd" == "block" ]]; then
  for d in /dev/video*; do
    [ -e "$d" ] && chmod 000 "$d"
  done
  echo "Webcam bloccata"
elif [[ "$cmd" == "unblock" ]]; then
  for d in /dev/video*; do
    [ -e "$d" ] && chmod 660 "$d"
  done
  echo "Webcam sbloccata"
else
  echo "Uso: $0 block|unblock" >&2
  exit 2
fi