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# $NetBSD: t_icmp6_redirect.sh,v 1.7 2016/11/25 08:51:16 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
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
SOCK_LOCAL=unix://commsock1
SOCK_PEER=unix://commsock2
SOCK_GW1=unix://commsock3
SOCK_GW2=unix://commsock4
BUS1=bus1
BUS2=bus2
IP6BUS1=fc00:1::/64
IP6BUS2=fc00:2::/64
IP6IF0_LOCAL=fc00:1::2
IP6IF0_PEER=fc00:2::2
IP6IF0_GW1=fc00:1::1
IP6IF1_GW1=fc00:2::1
IP6IF0_GW2=fc00:1::3
REDIRECT_TIMEOUT=5
DEBUG=${DEBUG:-true}
atf_test_case icmp6_redirect_basic cleanup
icmp6_redirect_basic_head()
{
atf_set "descr" "Test for the basically function of the ICMP6 redirect"
atf_set "require.progs" "rump_server rump.route rump.ping rump.ifconfig"
}
icmp6_redirect_basic_body()
{
local gw1_lladdr0=
local gw1_lladdr1=
local gw2_lladdr0=
rump_server_start $SOCK_LOCAL netinet6
rump_server_start $SOCK_PEER netinet6
rump_server_start $SOCK_GW1 netinet6
rump_server_start $SOCK_GW2 netinet6
#
# Setup
#
# Setup gateway #1 (real gateway)
export RUMP_SERVER=${SOCK_GW1}
rump_server_add_iface $SOCK_GW1 shmif0 $BUS1
rump_server_add_iface $SOCK_GW1 shmif1 $BUS2
atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6IF0_GW1}
atf_check -s exit:0 rump.ifconfig shmif0 up
atf_check -s exit:0 rump.ifconfig shmif1 inet6 ${IP6IF1_GW1}
atf_check -s exit:0 rump.ifconfig shmif1 up
atf_check -s exit:0 -o match:'0.->.1' rump.sysctl -w \
net.inet6.ip6.forwarding=1
unset RUMP_SERVER
gw1_lladdr0=`get_linklocal_addr ${SOCK_GW1} shmif0`
gw1_lladdr1=`get_linklocal_addr ${SOCK_GW1} shmif1`
# Setup a peer behind gateway #1
export RUMP_SERVER=${SOCK_PEER}
rump_server_add_iface $SOCK_PEER shmif0 $BUS2
atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6IF0_PEER}
atf_check -s exit:0 rump.ifconfig shmif0 up
atf_check -s exit:0 -o ignore rump.route add \
-inet6 default ${gw1_lladdr1}%shmif0
unset RUMP_SERVER
# Setup gateway #2 (fake gateway)
export RUMP_SERVER=${SOCK_GW2}
rump_server_add_iface $SOCK_GW2 shmif0 $BUS1
atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6IF0_GW2}
atf_check -s exit:0 rump.ifconfig shmif0 up
atf_check -s exit:0 -o ignore rump.route add \
-inet6 ${IP6BUS2} ${gw1_lladdr0}%shmif0
atf_check -s exit:0 -o match:'0.->.1' rump.sysctl -w \
net.inet6.ip6.forwarding=1
unset RUMP_SERVER
gw2_lladdr0=`get_linklocal_addr ${SOCK_GW2} shmif0`
export RUMP_SERVER=${SOCK_LOCAL}
rump_server_add_iface $SOCK_LOCAL shmif0 $BUS1
atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6IF0_LOCAL}
atf_check -s exit:0 rump.ifconfig shmif0 up
# Teach the fake gateway as the default gateway
atf_check -s exit:0 -o ignore rump.route add \
-inet6 default ${gw2_lladdr0}%shmif0
$DEBUG && rump.route get -inet6 ${IP6IF0_PEER}
atf_check -s exit:0 -o ignore rump.sysctl -w \
net.inet6.icmp6.redirtimeout=$REDIRECT_TIMEOUT
#
# Tests
#
atf_check -s exit:0 -o ignore rump.ping6 -c 1 -n ${IP6IF0_PEER}
$DEBUG && rump.route show -inet6
# Check if a created route is correctly redirected to gateway #1
atf_check -s exit:0 -o match:"gateway: ${gw1_lladdr0}" rump.route get \
-inet6 ${IP6IF0_PEER}
atf_check -s exit:0 sleep $((REDIRECT_TIMEOUT + 2))
$DEBUG && rump.route show -inet6
# Check if the created route is expired
atf_check -s exit:0 -o not-match:"gateway: ${gw1_lladdr0}" rump.route get \
-inet6 ${IP6IF0_PEER}
rump_server_destroy_ifaces
}
icmp6_redirect_basic_cleanup()
{
$DEBUG && dump
cleanup
}
atf_init_test_cases()
{
atf_add_test_case icmp6_redirect_basic
}
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