#!/bin/bash
# ------------------------------------------------------------------------------
# Users related functions
# This file is part of the init.sh project
# Copyright (c) 2019-2024 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()
{
    if [[ -n $(grep "^$1:" /etc/passwd) ]]; then
        prnt W "A local user with name $1 already exists, adding anyway!"
    fi
    if [[ -n $(grep "^+$1:" /etc/passwd) ]]; then
        prnt W "The remote user $1 is already declared, nothing to do in passwd."
    else
        echo "+$1::::::" >> /etc/passwd
        prnt I "User $1 added to passwd..."
    fi
    if [[ -n $(grep "^+$1:" /etc/shadow) ]]; then
        prnt W "The remote user $1 is already connectable, nothing to do in shadow."
    else
        echo "+$1::::::::" >> /etc/shadow
        prnt I "User $1 added to shadow..."
    fi
}
export -f add_remote_user
# ------------------------------------------------------------------------------


# ------------------------------------------------------------------------------
# Remove users
remove_user()
{
    if [[ -n $(grep "^$1:" /etc/{passwd,shadow,group,gshadow}) ]]; then
        # Using sed is more universal than any distro commands - local case
        sed -i -e "/^$1:/d" /etc/{passwd,shadow,group,gshadow}
    elif [[ -n $(grep "^+$1:" /etc/{passwd,shadow,group,gshadow}) ]]; then
        # remote case
        sed -i -e "/^+$1:/d" /etc/{passwd,shadow,group,gshadow}
    else
        prnt W "User $1 don't exists in auth files, nothing to do."
    fi
}
# ------------------------------------------------------------------------------


# ------------------------------------------------------------------------------
# Create a local user
create_local_user()
{
    if [[ $(noerror --noout id $1) != 0 ]]; then
        prnt I "Creating user $1..."
        if [[ $(directory_exists home_skell) ]]; then
            useradd --create-home --shell $DEFAULT_SHELL --user-group $1 \
                --skell $(select_directory home_skell)
        else
            useradd --create-home --shell $DEFAULT_SHELL --user-group $1
        fi
    else
        prnt W "The user $1 already exists. Nothing to do..."
    fi
}
# ------------------------------------------------------------------------------

# EOF