OpenWRT - Wifi rule on button press

wifi-toggle.sh

#!/bin/sh
DISABLED=0
PATTERN_WEEKDAY="0630 1900 1930 2130"
PATTERN_HOLIDAY="0630 1900 1930 2100"
read -r -d "" HOLIDAYS <<EOF
20260119
20260120
20260121
20260122
20260123
EOF

function now() {
  date +"%H%M"
}

function today_date() {
  date +"%a"
}

function today_weekday() {
  date +"%Y%m%d"
}


function is_sat_sun() {
  [[ "$1" = "Sat" || "$1" = "Sun" ]]
}

function is_holiday() {
  [[ "${HOLIDAYS}" =~ "${1}" ]]
}

function to_min_of_day() {
  time=$1
  hour="${time:0:2}"
  minute="${time:2:4}"
  expr $hour \* 60 + $minute
}

function is_ok_time() {
  if [[ "$DISABLED" == 1 ]]; then
    return 1
  fi
  if is_sat_sun $2 || is_holiday $3; then
    pattern=${PATTERN_HOLIDAY}
  else
    pattern=${PATTERN_WEEKDAY}
  fi
  ok=1
  time=`to_min_of_day $1`
  for flip in $pattern; do
    flip_time=`to_min_of_day ${flip}`
    if [[ $time -lt $flip_time ]]; then
      break
    fi
    ok="$((( $ok ^ 1 )))"
  done
  return $ok
}

function is_unlocked() {
  [[ "$(uci show firewall.@rule[0].enabled 2>/dev/null)" =~ "enabled='0'" ]]
}

function led() {
  ([[ "$2" = "on" ]] && echo "default-on" || echo "none") > /sys/class/leds/$1/trigger
}

function set_enabled() {
  echo "rule enable=$1 ..."
  uci set firewall.@rule[0].enabled=$1
  uci set wireless.wifinet2.disabled=$1
  uci commit
  wifi reload
  # ip link set dev wlan0 down
  service firewall reload
  echo "finished"
}

function lock() {
  echo "locking..."
  set_enabled 1
  led "green:power" off
  led "red:power" on
}

function unlock() {
  echo "unlocking..."
  set_enabled 0
  led "red:power" off
  led "green:power" on
}

case $1 in
  enable)
    unlock;;
  unlock)
    unlock;;
  disable)
    lock;;
  lock)
    lock;;
  check)
    if is_unlocked; then
       echo "unlocked"
       exit 1
    else
       echo "locked"
       exit 0
    fi
    ;;
  *)
    if ! is_unlocked; then
      now="$(now)"
      today_weekday="$(today_weekday)"
      today_date="$(today_date)"
      if is_ok_time $now $today_weekday $today_date; then
        echo "in ok time ${now}/${today_weekday}/${today_date}"
        unlock
      else
        echo "out of ok time ${now}/${today_weekday}/${today_date}"
      fi
    else
      lock
    fi
    ;;
esac