# $FreeBSD$
# Utility functions
##

pft_init()
{
	if [ ! -c /dev/pf ]; then
		atf_skip "This test requires pf"
	fi

	if [ "`sysctl -i -n kern.features.vimage`" != 1 ]; then
		atf_skip "This test requires VIMAGE"
	fi
}

pfsynct_init()
{
	pft_init

	if ! kldstat -q -m pfsync; then
		atf_skip "This test requires pfsync"
	fi
}

pft_mkepair()
{
	ifname=$(ifconfig epair create)
	echo $ifname >> created_interfaces.lst
	echo ${ifname%a}
}

pft_mkjail()
{
	jailname=$1
	shift

	vnet_interfaces=
	for ifname in $@
	do
		vnet_interfaces="${vnet_interfaces} vnet.interface=${ifname}"
	done
	jail -c name=${jailname} persist vnet ${vnet_interfaces}

	echo $jailname >> created_jails.lst
}

pft_set_rules()
{
	jname=$1
	shift

	if [ $jname == "noflush" ];
	then
		jname=$1
		shift
	else
		# Flush all states, rules, fragments, ...
		jexec ${jname} pfctl -F all
	fi

	while [ $# -gt 0 ]; do
		printf "$1\n"
		shift
	done | jexec ${jname} pfctl -f -
}

pft_cleanup()
{
	if [ -f created_jails.lst ]; then
		for jailname in `cat created_jails.lst`
		do
			jail -r ${jailname}
		done
		rm created_jails.lst
	fi

	if [ -f created_interfaces.lst ]; then
		for ifname in `cat created_interfaces.lst`
		do
			ifconfig ${ifname} destroy
		done
		rm created_interfaces.lst
	fi
}

pfsynct_cleanup()
{
	pft_cleanup
}