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# $NetBSD: t_icmp_redirect.sh,v 1.6 2016/11/25 08:51:16 ozaki-r Exp $
#
# Copyright (c) 2015 The NetBSD Foundation, 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.
#
# Most codes are derived from tests/net/route/t_flags.sh
SOCK_LOCAL=unix://commsock1
SOCK_PEER=unix://commsock2
SOCK_GW=unix://commsock3
BUS=bus1
BUS2=bus2
REDIRECT_TIMEOUT=5
DEBUG=${DEBUG:-false}
atf_test_case icmp_redirect_timeout cleanup
icmp_redirect_timeout_head()
{
atf_set "descr" "Tests for ICMP redirect timeout";
atf_set "require.progs" "rump_server";
}
setup_local()
{
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 10.0.0.2/24
atf_check -s exit:0 -o ignore rump.ifconfig shmif0 up
atf_check -s exit:0 -o ignore rump.sysctl -w \
net.inet.icmp.redirtimeout=$REDIRECT_TIMEOUT
$DEBUG && rump.ifconfig
$DEBUG && rump.netstat -rn -f inet
}
setup_peer()
{
rump_server_start $SOCK_PEER
rump_server_add_iface $SOCK_PEER shmif0 $BUS
export RUMP_SERVER=$SOCK_PEER
atf_check -s exit:0 -o ignore rump.ifconfig shmif0 10.0.0.1/24
atf_check -s exit:0 -o ignore rump.ifconfig shmif0 up
$DEBUG && rump.ifconfig
$DEBUG && rump.netstat -rn -f inet
}
setup_gw()
{
rump_server_start $SOCK_GW
rump_server_add_iface $SOCK_GW shmif0 $BUS
rump_server_add_iface $SOCK_GW shmif1 $BUS2
export RUMP_SERVER=$SOCK_GW
atf_check -s exit:0 -o ignore rump.ifconfig shmif0 10.0.0.254/24
atf_check -s exit:0 -o ignore rump.ifconfig shmif0 up
atf_check -s exit:0 -o ignore rump.ifconfig shmif1 10.0.2.1/24
atf_check -s exit:0 -o ignore rump.ifconfig shmif1 alias 10.0.2.2/24
atf_check -s exit:0 -o ignore rump.ifconfig shmif1 up
# Wait until DAD completes (10 sec at most)
atf_check -s exit:0 -o ignore rump.ifconfig -w 10
atf_check -s not-exit:0 -x "rump.ifconfig shmif1 |grep -q tentative"
$DEBUG && rump.ifconfig
$DEBUG && rump.netstat -rn -f inet
}
icmp_redirect_timeout_body()
{
$DEBUG && ulimit -c unlimited
setup_local
setup_peer
### Testing Dynamic flag ###
#
# Setup a gateway 10.0.0.254. 10.0.2.1 is behind it.
#
setup_gw
#
# Teach the peer that 10.0.2.* is behind 10.0.0.254
#
export RUMP_SERVER=$SOCK_PEER
atf_check -s exit:0 -o ignore rump.route add -net 10.0.2.0/24 10.0.0.254
# Up, Gateway, Static
check_route_flags 10.0.2/24 UGS
#
# Setup the default gateway to the peer, 10.0.0.1
#
export RUMP_SERVER=$SOCK_LOCAL
atf_check -s exit:0 -o ignore rump.route add default 10.0.0.1
# Up, Gateway, Static
check_route_flags default UGS
# Try ping 10.0.2.1
atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 10.0.2.1
$DEBUG && rump.netstat -rn -f inet
# Up, Gateway, Host, Dynamic
check_route_flags 10.0.2.1 UGHD
check_route_gw 10.0.2.1 10.0.0.254
atf_check -s exit:0 sleep $((REDIRECT_TIMEOUT + 2))
# The dynamic entry should be expired and removed
check_route_no_entry 10.0.2.1
export RUMP_SERVER=$SOCK_PEER
$DEBUG && rump.netstat -rn -f inet
rump_server_destroy_ifaces
}
icmp_redirect_timeout_cleanup()
{
$DEBUG && dump
cleanup
}
atf_test_case icmp_redirect cleanup
icmp_redirect_head()
{
atf_set "descr" "Tests for icmp redirect";
atf_set "require.progs" "rump_server";
}
setup_redirect()
{
atf_check -s exit:0 -o ignore rump.sysctl -w \
net.inet.ip.redirect=1
}
teardown_redirect()
{
atf_check -s exit:0 -o ignore rump.sysctl -w \
net.inet.ip.redirect=0
}
icmp_redirect_body()
{
$DEBUG && ulimit -c unlimited
setup_local
setup_peer
#
# Setup a gateway 10.0.0.254. 10.0.2.1 is behind it.
#
setup_gw
#
# Teach the peer that 10.0.2.* is behind 10.0.0.254
#
export RUMP_SERVER=$SOCK_PEER
atf_check -s exit:0 -o ignore rump.route add -net 10.0.2.0/24 10.0.0.254
# Up, Gateway, Static
check_route_flags 10.0.2/24 UGS
#
# Setup the default gateway to the peer, 10.0.0.1
#
export RUMP_SERVER=$SOCK_LOCAL
atf_check -s exit:0 -o ignore rump.route add default 10.0.0.1
# Up, Gateway, Static
check_route_flags default UGS
### ICMP redirects are NOT sent by the peer ###
#
# Disable net.inet.ip.redirect
#
export RUMP_SERVER=$SOCK_PEER
teardown_redirect
# Try ping 10.0.2.1
export RUMP_SERVER=$SOCK_LOCAL
atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 10.0.2.1
$DEBUG && rump.netstat -rn -f inet
# A direct route shouldn't be created
check_route_no_entry 10.0.2.1
### ICMP redirects are sent by the peer ###
#
# Enable net.inet.ip.redirect
#
export RUMP_SERVER=$SOCK_PEER
setup_redirect
# Try ping 10.0.2.1
export RUMP_SERVER=$SOCK_LOCAL
atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 10.0.2.1
$DEBUG && rump.netstat -rn -f inet
# Up, Gateway, Host, Dynamic
check_route_flags 10.0.2.1 UGHD
check_route_gw 10.0.2.1 10.0.0.254
export RUMP_SERVER=$SOCK_PEER
$DEBUG && rump.netstat -rn -f inet
# cleanup
export RUMP_SERVER=$SOCK_LOCAL
atf_check -s exit:0 -o ignore rump.route delete 10.0.2.1
check_route_no_entry 10.0.2.1
### ICMP redirects are NOT sent by the peer (again) ###
#
# Disable net.inet.ip.redirect
#
export RUMP_SERVER=$SOCK_PEER
teardown_redirect
# Try ping 10.0.2.1
export RUMP_SERVER=$SOCK_LOCAL
atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 10.0.2.1
$DEBUG && rump.netstat -rn -f inet
# A direct route shouldn't be created
check_route_no_entry 10.0.2.1
rump_server_destroy_ifaces
}
icmp_redirect_cleanup()
{
$DEBUG && dump
cleanup
}
atf_init_test_cases()
{
atf_add_test_case icmp_redirect
atf_add_test_case icmp_redirect_timeout
}
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