#!/bin/sh
# SPDX-License-Identifier: Apache-2.0
# Copyright (C) 2021-present Fewtarius (https://github.com/fewtarius)

. /etc/profile

if [ ! -d "/storage/.cache/samba" ]
then
  mkdir -p /storage/.cache/samba
  touch /storage/.cache/samba/smbpasswd
fi

ROTATION=$(get_setting rotate.root.password)
if [ "${ROTATION}" == "0" ]
then
  set_setting root.password "MANUALLY SET"
  exit 0
fi

LPC=$(awk -F: '/^root/{print $3}' /storage/.cache/shadow)
CURRENT=$(awk -F: '/^root/{print $2}' /storage/.cache/shadow)

# Randomly generate the root password on startup
ROOTPASS=$(openssl rand -base64 10 2>/dev/null | sed "s#==##g")

# Turn it into a usable hash
NEW=$(cryptpw -m sha512 "${ROOTPASS}" 2>/dev/null)

# Set the root password.
sed -i "s#root:${CURRENT}:${LPC}::::::#root:${NEW}:${LPC}::::::#g" /storage/.cache/shadow 2>/dev/null

# Create a root user and set the password.
echo -ne "${ROOTPASS}\n${ROOTPASS}\n" | smbpasswd -sa root 2>/dev/null

# Save the password so we can display it in ES
set_setting root.password "${ROOTPASS}"