# SPDX-License-Identifier: GPL-2.0-or-later
#
# PASST - Plug A Simple Socket Transport
#  for qemu/UNIX domain socket mode
#
# PASTA - Pack A Subtle Tap Abstraction
#  for network namespace/tap device mode
#
# test/pasta_options/dns_host_follow - Check that we follow host's resolv.conf

htools	unshare mount grep

test	Host nameserver follows changes to resolv.conf
set	DIR __STATEDIR__/resolv
set	LOG_FILE __STATEDIR__/resolv.log

passt	unshare -rUm
passt	mkdir -p __DIR__/upper __DIR__/work
passt	mount -t overlay -o lowerdir=/etc,upperdir=__DIR__/upper,workdir=__DIR__/work none /etc
passt	echo "nameserver 192.0.2.1" > /etc/r && mv /etc/r /etc/resolv.conf
passt	./pasta -d -l __LOG_FILE__ --dns-forward 192.0.2.53 -- sleep 3 2>/dev/null &
sleep	1
passt	echo "nameserver 192.0.2.2" > /etc/r && mv /etc/r /etc/resolv.conf
sleep	1
check	grep -q "new host nameserver 192.0.2.2" __LOG_FILE__
passt	wait
passt	umount /etc
passt	exit