#	$NetBSD: t_ipaddress.sh,v 1.11 2017/08/03 03:16:27 ozaki-r Exp $
#
# Copyright (c) 2015 Internet Initiative Japan Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# POSSIBILITY OF SUCH DAMAGE.
#

SOCK_LOCAL=unix://commsock1
BUS=bus

DEBUG=${DEBUG:-false}

test_same_address()
{
	local ip=10.0.0.1
	local net=10.0.0/24

	rump_server_start $SOCK_LOCAL
	rump_server_add_iface $SOCK_LOCAL shmif0 $BUS

	export RUMP_SERVER=$SOCK_LOCAL

	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 $ip/24
	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 up
	atf_check -s exit:0 -o ignore rump.ifconfig -w 10

	$DEBUG && rump.netstat -nr -f inet

	check_route $ip 'link#2' UHl lo0
	check_route $net 'link#2' UC shmif0

	# Delete the address
	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 $ip delete

	$DEBUG && rump.netstat -nr -f inet

	check_route_no_entry $ip
	check_route_no_entry $net

	# Assign the same address again
	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 $ip/24
	atf_check -s exit:0 -o ignore rump.ifconfig -w 10

	$DEBUG && rump.netstat -nr -f inet

	check_route $ip 'link#2' UHl lo0
	check_route $net 'link#2' UC shmif0

	# Delete the address again
	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 $ip delete

	$DEBUG && rump.netstat -nr -f inet

	check_route_no_entry $ip
	check_route_no_entry $net

	rump_server_destroy_ifaces
}

test_same_address6()
{
	local ip=fc00::1
	local net=fc00::/64

	rump_server_start $SOCK_LOCAL netinet6
	rump_server_add_iface $SOCK_LOCAL shmif0 $BUS

	export RUMP_SERVER=$SOCK_LOCAL

	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 inet6 $ip
	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 up
	atf_check -s exit:0 -o ignore rump.ifconfig -w 10

	$DEBUG && rump.netstat -nr -f inet6

	check_route $ip 'link#2' UHl lo0
	check_route $net 'link#2' UC shmif0

	# Delete the address
	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 inet6 $ip delete

	$DEBUG && rump.netstat -nr -f inet6

	check_route_no_entry $ip
	check_route_no_entry $net

	# Assign the same address again
	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 inet6 $ip
	atf_check -s exit:0 -o ignore rump.ifconfig -w 10

	$DEBUG && rump.netstat -nr -f inet6

	check_route $ip 'link#2' UHl lo0
	check_route $net 'link#2' UC shmif0

	# Delete the address again
	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 inet6 $ip delete

	$DEBUG && rump.netstat -nr -f inet6

	check_route_no_entry $ip
	check_route_no_entry $net

	rump_server_destroy_ifaces
}

test_auto_linklocal()
{

	rump_server_start $SOCK_LOCAL netinet6
	rump_server_add_iface $SOCK_LOCAL shmif0 $BUS

	export RUMP_SERVER=$SOCK_LOCAL

	#
	# Test enabled auto linklocal
	#

	# Check default value
	atf_check -s exit:0 -o match:"1" rump.sysctl -n net.inet6.ip6.auto_linklocal

	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 up
	atf_check -s exit:0 -o ignore rump.ifconfig -w 10

	$DEBUG && rump.netstat -nr -f inet

	# IPv6 link-local address is set
	atf_check -s exit:0 -o match:"inet6 fe80::" rump.ifconfig shmif0

	#
	# Test disabled auto linklocal
	#
	atf_check -s exit:0 -o ignore rump.sysctl -w -q net.inet6.ip6.auto_linklocal=0

	rump_server_add_iface $SOCK_LOCAL shmif1 $BUS
	atf_check -s exit:0 -o ignore rump.ifconfig shmif1 up
	atf_check -s exit:0 -o ignore rump.ifconfig -w 10

	$DEBUG && rump.netstat -nr -f inet

	# IPv6 link-local address is not set
	atf_check -s exit:0 -o not-match:"inet6 fe80::" rump.ifconfig shmif1

	rump_server_destroy_ifaces
}

add_test()
{
	local name=$1
	local desc="$2"

	atf_test_case "ipaddr_${name}" cleanup
	eval "ipaddr_${name}_head() {
			atf_set descr \"${desc}\"
			atf_set require.progs rump_server
		}
	    ipaddr_${name}_body() {
			test_${name}
		}
	    ipaddr_${name}_cleanup() {
			\$DEBUG && dump
			cleanup
		}"
	atf_add_test_case "ipaddr_${name}"
}

test_alias_address()
{
	local ip=10.0.0.1
	local net=10.0.0/24
	local ip_a1=10.0.0.2

	rump_server_start $SOCK_LOCAL
	rump_server_add_iface $SOCK_LOCAL shmif0 $BUS

	export RUMP_SERVER=$SOCK_LOCAL

	# Assign a primary address and an alias address
	atf_check -s exit:0 rump.ifconfig shmif0 $ip/24
	atf_check -s exit:0 rump.ifconfig shmif0 $ip_a1/24 alias
	atf_check -s exit:0 rump.ifconfig shmif0 up
	atf_check -s exit:0 rump.ifconfig -w 10

	$DEBUG && rump.ifconfig shmif0
	$DEBUG && rump.netstat -nr -f inet

	atf_check -s exit:0 -o match:"inet $ip" rump.ifconfig shmif0
	atf_check -s exit:0 -o match:"inet $ip_a1" rump.ifconfig shmif0
	check_route $ip 'link#2' UHl lo0
	check_route $ip_a1 'link#2' UHl lo0
	check_route $net 'link#2' UC shmif0

	# Delete the primary address
	atf_check -s exit:0 rump.ifconfig shmif0 $ip delete

	$DEBUG && rump.ifconfig shmif0
	$DEBUG && rump.netstat -nr -f inet

	atf_check -s exit:0 -o not-match:"inet $ip" rump.ifconfig shmif0
	atf_check -s exit:0 -o match:"inet $ip_a1" rump.ifconfig shmif0
	check_route_no_entry $ip
	check_route $ip_a1 'link#2' UHl lo0
	check_route $net 'link#2' UC shmif0

	# The alias address is now primary, so assigning a new address
	# without 'alias' will overwrite the alias address
	atf_check -s exit:0 rump.ifconfig shmif0 $ip/24

	$DEBUG && rump.ifconfig shmif0
	$DEBUG && rump.netstat -nr -f inet

	atf_check -s exit:0 -o match:"inet $ip" rump.ifconfig shmif0
	atf_check -s exit:0 -o not-match:"inet $ip_a1" rump.ifconfig shmif0
	check_route $ip 'link#2' UHl lo0
	check_route_no_entry $ip_a1
	check_route $net 'link#2' UC shmif0

	rump_server_destroy_ifaces
}

atf_init_test_cases()
{

	add_test same_address	"Assigning/deleting an IP address twice"
	add_test same_address6	"Assigning/deleting an IPv6 address twice"
	add_test auto_linklocal	"Assigning an IPv6 link-local address automatically"
	add_test alias_address	"Tests of behaviors of alias addresses"
}