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#!/usr/bin/env atf-sh
#-
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2020 Alexander V. Chernikov
#
# 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 AUTHOR 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 AUTHOR 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.
#
#
. $(atf_get_srcdir)/../common/vnet.subr
setup_networking()
{
jname="$1"
lo_dst="$2"
epair0="$3"
epair1="$4"
vnet_mkjail ${jname}a ${epair0}a ${epair1}a
# Setup transit IPv4 networks
jexec ${jname}a ifconfig ${epair0}a up
jexec ${jname}a ifconfig ${epair0}a inet 203.0.113.1/30
jexec ${jname}a ifconfig ${epair1}a up
jexec ${jname}a ifconfig ${epair1}a inet 203.0.113.5/30
vnet_mkjail ${jname}b ${epair0}b ${epair1}b ${lo_dst}
jexec ${jname}b ifconfig ${epair0}b up
jexec ${jname}b ifconfig ${epair0}b inet 203.0.113.2/30
jexec ${jname}b ifconfig ${epair1}b up
jexec ${jname}b ifconfig ${epair1}b inet 203.0.113.6/30
jexec ${jname}b ifconfig ${lo_dst} up
}
atf_test_case "lpm_test1_success" "cleanup"
lpm_test1_success_head()
{
atf_set descr 'Test IPv4 LPM for /30 and /31'
atf_set require.user root
}
lpm_test1_success_body()
{
vnet_init
jname="v4t-lpm_test1_success"
lo_dst=$(vnet_mkloopback)
epair0=$(vnet_mkepair)
epair1=$(vnet_mkepair)
setup_networking ${jname} ${lo_dst} ${epair0} ${epair1}
jexec ${jname}b ifconfig ${lo_dst} inet 198.51.100.0/32
jexec ${jname}b ifconfig ${lo_dst} alias 198.51.100.2/32
# Add routes
# A -> towards B via epair0a
jexec ${jname}a route add -4 -net 198.51.100.0/30 203.0.113.2
# A -> towards B via epair1a
jexec ${jname}a route add -4 -net 198.51.100.0/31 203.0.113.6
count=20
valid_message="${count} packets transmitted, ${count} packets received"
# Check that 198.51.100.0 goes via epair1
atf_check -o match:"${valid_message}" jexec ${jname}a ping -f -nc${count} 198.51.100.0
pkt_0=`jexec ${jname}a netstat -Wf link -I ${epair0}a | head | awk '$1!~/^Name/{print$8}'`
pkt_1=`jexec ${jname}a netstat -Wf link -I ${epair1}a | head | awk '$1!~/^Name/{print$8}'`
if [ ${pkt_1} -le ${count} ]; then
echo "LPM failure: 1: ${pkt_0} 2: ${pkt_1} (should be ${count})"
exit 1
fi
# Check that 198.51.100.2 goes via epair0
atf_check -o match:"${valid_message}" jexec ${jname}a ping -f -nc${count} 198.51.100.2
pkt_0=`jexec ${jname}a netstat -Wf link -I ${epair0}a | head | awk '$1!~/^Name/{print$8}'`
pkt_1=`jexec ${jname}a netstat -Wf link -I ${epair1}a | head | awk '$1!~/^Name/{print$8}'`
if [ ${pkt_0} -le ${count} ]; then
echo "LPM failure: 1: ${pkt_0} (should be ${count}) 2: ${pkt_1}"
exit 1
fi
echo "RAW BALANCING: 1: ${pkt_0} 2: ${pkt_1}"
}
lpm_test1_success_cleanup()
{
vnet_cleanup
}
atf_test_case "lpm_test2_success" "cleanup"
lpm_test2_success_head()
{
atf_set descr 'Test IPv4 LPM for the host routes'
atf_set require.user root
}
lpm_test2_success_body()
{
vnet_init
jname="v4t-lpm_test2_success"
lo_dst=$(vnet_mkloopback)
epair0=$(vnet_mkepair)
epair1=$(vnet_mkepair)
setup_networking ${jname} ${lo_dst} ${epair0} ${epair1}
jexec ${jname}b ifconfig ${lo_dst} inet 198.51.100.0/32
jexec ${jname}b ifconfig ${lo_dst} alias 198.51.100.1/32
# Add routes
# A -> towards B via epair0a
jexec ${jname}a route add -4 -host 198.51.100.0 203.0.113.2
# A -> towards B via epair1a
jexec ${jname}a route add -4 -host 198.51.100.1 203.0.113.6
count=20
valid_message="${count} packets transmitted, ${count} packets received"
# Check that 198.51.100.0 goes via epair0
atf_check -o match:"${valid_message}" jexec ${jname}a ping -f -nc${count} 198.51.100.0
pkt_0=`jexec ${jname}a netstat -Wf link -I ${epair0}a | head | awk '$1!~/^Name/{print$8}'`
pkt_1=`jexec ${jname}a netstat -Wf link -I ${epair1}a | head | awk '$1!~/^Name/{print$8}'`
if [ ${pkt_0} -le ${count} ]; then
echo "LPM failure: 1: ${pkt_0} (should be ${count}) 2: ${pkt_1}"
exit 1
fi
# Check that 198.51.100.1 goes via epair1
atf_check -o match:"${valid_message}" jexec ${jname}a ping -f -nc${count} 198.51.100.1
pkt_0=`jexec ${jname}a netstat -Wf link -I ${epair0}a | head | awk '$1!~/^Name/{print$8}'`
pkt_1=`jexec ${jname}a netstat -Wf link -I ${epair1}a | head | awk '$1!~/^Name/{print$8}'`
if [ ${pkt_1} -le ${count} ]; then
echo "LPM failure: 1: ${pkt_0} 2: ${pkt_1} (should be ${count})"
exit 1
fi
echo "RAW BALANCING: 1: ${pkt_0} 2: ${pkt_1}"
}
lpm_test2_success_cleanup()
{
vnet_cleanup
}
atf_init_test_cases()
{
atf_add_test_case "lpm_test1_success"
atf_add_test_case "lpm_test2_success"
}
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