server-scripts/script-user-reset-password

#!/usr/bin/env bash
# This script will reset a user password on the server
# Copyright 2021-24 Bryan C. Roessler

unset user password

parent="${BASH_SOURCE[0]}"
parent=${parent%/*}

[[ -f $parent/script-functions ]] && . "$parent"/script-functions || exit 1

is_root

echo "This script supports two optional arguments, a username and password"

if [[ $# -eq 0 ]]; then
    prompt user
    prompt password
elif [[ $# -eq 1 ]]; then
    user="$1"
    prompt password
elif [[ $# -eq 2 ]]; then
    user="$1"
    password="$2"
elif [[ $# -gt 2 ]]; then
    echo "Too many arguments provided"
    exit 1
fi

if ! id -u "$user" &>/dev/null; then
    echo "User $user does not exist"
    exit 1
fi

if ask_ok "Change user $user's password to $password?"; then
    echo "$user":"$password" | chpasswd
    (echo "$password"; echo "$password") | smbpasswd -a -s "$user"
fi

ask_ok "Prompt user to reset password on next login?" &&
passwd --expire "$user" &&
echo "NOTE: The file sharing (smbpasswd) will not be changed"
   
exit 0