#!/usr/bin/env bash
#
# Copyright (C) 2020 Marco Trevisan <marco.trevisan@canonical.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.

command=$1
action=$2
action_setting=$3

set -e
export LANG=C

ENABLED="enabled"
DISABLED="disabled"
REQUIRED="required"
STOP=19


case "$command" in
    show)
        case "$action" in
            password)
            ;;
            smartcard)
            ;;
            fingerprint)
            ;;
        esac

        exit 0;
    ;;

    smartcard)
        case "$action" in
            enable)
            ;;
            require)
                # While we can't require anything here, we assume that GDM
                # will disable the password authentication in this case.
            ;;
            disable)
            ;;
            removal-action)
            ;;
        esac

        # We assume the default handler can manage this, as gdm already
        # provides a PAM config file for this case
        exit 0
    ;;

    fingerprint)
        case "$action" in
            enable)
            ;;
            require)
                exit 1
            ;;
            disable)
            ;;
        esac

        # We assume the default handler can manage this, as gdm already
        # provides a PAM config file for this case
        exit 0
    ;;

    password)
        # We assume the default handler can manage this, as gdm already
        # provides a PAM config file for this case
        exit 0
    ;;

    reset)
        exit 0
    ;;

    *)
        # Use default behavior
        exit 0;
    ;;
esac

exit 1