#!/bin/bash
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2024  IPFire Team  <info@ipfire.org>                          #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed 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 General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################
#
# This is a helper script that is called after we have created the new
# namespaces to perform further setup. This will be executed on the host.

set -euo pipefail

main() {
	local r=0

	# Bring up the loopback interface
	ip link set lo up &>/dev/null

	# Trap SIGINT & SIGTERM but actually don't do anything
	trap "" SIGINT SIGTERM

	# Execute the given command and save the return code
	"$@" || r="${?}"

	# Terminate with the code from the command
	exit "${r}"
}

main "$@"