#!/bin/bash
# ------------------------------------------------------------------------------
# Users related functions
# This file is part of the init.sh project
# Copyright (c) 2019-2025 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
# ------------------------------------------------------------------------------
# This file is distributed under 3-clause BSD license.
# The complete license agreement can be obtained at:
# https://opensource.org/licenses/BSD-3-Clause
# ------------------------------------------------------------------------------


# ------------------------------------------------------------------------------
# Users (from Ldap)
add_remote_user()
{
    local users=$@
    for usr in ${users[@]}; do
        if [[ -n $(grep "^$usr:" /etc/passwd) ]]; then
            prnt W "A local user with name $usr already exists, adding anyway!"
        fi
        if [[ -n $(grep "^+$usr:" /etc/passwd) ]]; then
            prnt W "The remote user $usr is already declared, nothing to do in passwd."
        else
            echo "+$usr::::::" >> /etc/passwd
            prnt I "User $usr added to passwd..."
        fi
        if [[ -n $(grep "^+$usr:" /etc/shadow) ]]; then
            prnt W "The remote user $usr is already connectable, nothing to do in shadow."
        else
            echo "+$usr::::::::" >> /etc/shadow
            prnt I "User $usr added to shadow..."
        fi
    done
}
export -f add_remote_user
# ------------------------------------------------------------------------------


# ------------------------------------------------------------------------------
# Remove users
remove_user()
{
    local users=$@
    for usr in ${users[@]}; do
        if [[ -n $(grep "^$usr:" /etc/{passwd,shadow,group,gshadow}) ]]; then
            # Using sed is more universal than any distro commands - local case
            sed -i -e "/^$usr:/d" /etc/{passwd,shadow,group,gshadow}
        elif [[ -n $(grep "^+$usr:" /etc/{passwd,shadow,group,gshadow}) ]]; then
            # remote case
            sed -i -e "/^+$usr:/d" /etc/{passwd,shadow,group,gshadow}
        else
            prnt W "User $usr don't exists in auth files, nothing to do."
        fi
    done
}
# ------------------------------------------------------------------------------


# ------------------------------------------------------------------------------
# Create a local user
create_local_user()
{
    local users=$@
    for usr in ${users[@]}; do
        if [[ $(noerror --noout id $usr) != 0 ]]; then
            prnt I "Creating user $usr..."
            if [[ $(directory_exists home_skell) ]]; then
                useradd --create-home --shell $DEFAULT_SHELL \
                    --user-group $usr \
                    --skell $(select_directory home_skell)
            else
                useradd --create-home --shell $DEFAULT_SHELL --user-group $usr
            fi
        else
            prnt W "The user $usr already exists. Nothing to do..."
        fi
    done
}
# ------------------------------------------------------------------------------

# EOF