usbguard-interactive

#!/usr/bin/env bash
# run usbguard interactively to avoid typing two commands lol

check_root() {
  if (("$(id -u)" != 0)) || ! hash usbguard 2>/dev/null; then
    print_error "Make sure 'usbguard' is installed and run this program as root."
  fi
}

print_error() {
  tput setaf 1
  printf -- '[ERR] %s\n' "$1" >&2
  tput sgr0
  exit 1
}

# TODO: (jam) add option to operate on multiple devices
main() {
  check_root
  printf -- 'USB Devices:\n\n'
  usbguard list-devices | cut -d'"' -f1-5 | sed 's/hash//'
  printf -- '\n'
  read -rp "Which device would you like to operate on? " device
  read -rp "[a]llow, [b]lock, or [r]eject device? " operation
  case "$operation" in
  a | A | allow | Allow)
    operation="allow-device"
    ;;
  b | B | block | Block)
    operation="block-device"
    ;;
  r | R | reject | Reject)
    operation="reject-device"
    ;;
  *)
    print_error "Please select an option between: [a]llow [b]lock [r]eject"
    ;;
  esac
  usbguard "${operation}" "${device}"
}

main
exit 0