#!/bin/sh
#
# Like what you see? Join us!
# https://www.univention.com/about-us/careers/vacancies/
#
# Copyright 2013-2024 Univention GmbH
#
# https://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
#
# In the case you use this program under the terms of the GNU AGPL V3,
# the program is provided in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
# <https://www.gnu.org/licenses/>.
[ -n "$(debconf-get preseed/url)" ] || exit 0

port=$(debconf-get "univention-net-installer/feedback/port")
[ -z "$port" ] && port=49173

feedback () {
	[ -n "${1:-}" ] || return
	hostname | nc "$1" "$port"
	exit 0
}

# Profile
feedback "$(debconf-get "univention-net-installer/feedback/host")"
# IPAPEND|=1
[ -n "${ip:-}" ] &&
	feedback "$(echo "$ip" | cut -d: -f2)"
# DHCP
[ -s /var/lib/udhcp/udhcpc.leases ] &&
	feedback "$(sed -rne 's/^ *option dhcp-server-identifier ([0-9.]+);/\1/p' /var/lib/udhcp/udhcpc.leases)"
# repository=TFTP server?
feedback "$(env | sed -ne 's,^mirror/http/hostname=,,p')"
