#!/bin/bash
# I, Ian Kelling, follow the GNU license recommendations at
# https://www.gnu.org/licenses/license-recommendations.en.html. They
# recommend that small programs, < 300 lines, be licensed under the
# Apache License 2.0. This file contains or is part of one or more small
# programs. If a small program grows beyond 300 lines, I plan to switch
# its license to GPL.

# Copyright 2024 Ian Kelling

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?"' ERR

[[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
if [[ $- != *i* ]]; then
    exec &>/var/log/keyscript-off.log
    echo "$0: starting. $(date)"
fi
sed="sed --follow-symlinks"

if [[ $($sed -rn 's/^ID=(.*)/\1/p' /etc/os-release) == arch ]]; then
    if grep -q '^\s*FILES=' /etc/mkinitcpio.conf; then
        $sed -ri 's/^\s*FILES=/#\0/' /etc/mkinitcpio.conf # comment out
        mkinitcpio -p linux
    fi
else
    x=/root/keyscript
    if grep -q "${x}," /etc/crypttab; then
      $sed -i "s#${x},#decrypt_keyctl,#" /etc/crypttab
	update-initramfs -u
    fi
fi

# switch to easy or hard pass which is the same as luks
f=/q/root/shadow/traci
[[ $HOSTNAME != tpnew ]] || usermod -p "$(cat $f)" iank
echo "$0: finished. $(date)"