1#!/usr/bin/env atf-sh 2# 3# SPDX-License-Identifier: BSD-2-Clause 4# 5# Copyright 2022 John-Mark Gurney 6# All rights reserved. 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions are 10# met: 11# 12# * Redistributions of source code must retain the above copyright 13# notice, this list of conditions and the following disclaimer. 14# * Redistributions in binary form must reproduce the above copyright 15# notice, this list of conditions and the following disclaimer in the 16# documentation and/or other materials provided with the distribution. 17# 18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30# 31# Run the tests: 32# make WITH_TESTS=yes -j 4 all install && kyua test -k /usr/tests/Kyuafile sbin/dhclient/pcp 33# 34# Output last run: 35# kyua report --verbose -r $(ls -tr ~/.kyua/store/results.*.db | tail -n 1) 36 37. $(atf_get_srcdir)/../../sys/common/vnet.subr 38 39generic_dhcp_cleanup() 40{ 41 42 # clean up programs 43 kill $(cat dhclient.test.pid) $(cat dhcpd.pid) 44 45 # clean up files 46 rm -f dhclient.dhcpd.conf lease.dhclient.test dhclient.test.pid 47 48 vnet_cleanup 49} 50 51atf_test_case normal cleanup 52normal_head() 53{ 54 atf_set descr 'test dhclient against a server' 55 atf_set require.user root 56} 57 58normal_body() 59{ 60 dhcpd=$(which dhcpd) 61 62 if ! [ -x "$dhcpd" ]; then 63 atf_skip "ISC dhcp server (isc-dhcp44-server) not installed" 64 fi 65 66 vnet_init 67 68 epair=$(vnet_mkepair) 69 70 vnet_mkjail dhclient_normal_test ${epair}b 71 72 # Set IP on server iface 73 ifconfig ${epair}a 192.0.2.2/24 up 74 75 # Create dhcp server config 76 cat > dhclient.dhcpd.conf << EOF 77default-lease-time 36000; 78max-lease-time 86400; 79authoritative; 80subnet 192.0.2.0 netmask 255.255.255.0 { 81 range 192.0.2.10 192.0.2.10; 82 option routers 192.0.2.2; 83 option domain-name-servers 192.0.2.2; 84} 85EOF 86 87 # Start dhcp server 88 touch dhcpd.leases.conf 89 atf_check -e ignore ${dhcpd} -cf ./dhclient.dhcpd.conf -lf ./dhcpd.leases.conf -pf ./dhcpd.pid ${epair}a 90 91 # Expect that we get an IP assigned 92 atf_check -e match:'DHCPACK from 192.0.2.2' jexec dhclient_normal_test dhclient -c /dev/null -l ./lease.dhclient.test -p ./dhclient.test.pid ${epair}b 93 94 # And it's the correct one 95 atf_check -o match:'inet 192.0.2.10' jexec dhclient_normal_test ifconfig ${epair}b 96 97} 98 99normal_cleanup() 100{ 101 102 generic_dhcp_cleanup 103} 104 105atf_test_case pcp cleanup 106pcp_head() 107{ 108 atf_set descr 'test dhclient on pcp interface' 109 atf_set require.user root 110} 111 112pcp_body() 113{ 114 dhcpd=$(which dhcpd) 115 116 if ! [ -x "$dhcpd" ]; then 117 atf_skip "ISC dhcp server (isc-dhcp44-server) not installed" 118 fi 119 120 vnet_init 121 122 epair=$(vnet_mkepair) 123 124 # Server side needs to be up to pass packets 125 ifconfig ${epair}a up 126 127 # Make sure necessary netgraph modules are loaded 128 kldstat -q -n ng_ether || kldload ng_ether 129 kldstat -q -n ng_iface || kldload ng_iface 130 kldstat -q -n ng_vlan || kldload ng_vlan 131 132 # create vlan, and attach epair to it (has incoming/outgoing vlan 133 # 0 tagged frames) 134 ngctl mkpeer ${epair}a: vlan lower downstream 135 136 # create new interface on other side of vlan (untagged/pcp) 137 ngctl mkpeer ${epair}a:lower. eiface vlan0 ether 138 139 # get the interface created 140 ngiface=$(ngctl show ${epair}a:lower.vlan0 | head -n 1 | awk '{ print $2}') 141 142 # schedule it for clean up 143 echo ${ngiface} >> ngctl.shutdown 144 145 # set the filter on it 146 ngctl msg ${epair}a:lower. 'addfilter { vlan=0 hook="vlan0" }' 147 148 vnet_mkjail dhclient_pcp_test ${epair}b 149 150 # Set IP on server iface 151 ifconfig ${ngiface} up 192.0.2.2/24 152 153 # Set pcp in jail 154 jexec dhclient_pcp_test ifconfig ${epair}b pcp 0 up 155 156 # Create dhcp server config 157 cat > dhclient.dhcpd.conf << EOF 158default-lease-time 36000; 159max-lease-time 86400; 160authoritative; 161subnet 192.0.2.0 netmask 255.255.255.0 { 162 range 192.0.2.10 192.0.2.10; 163 option routers 192.0.2.2; 164 option domain-name-servers 192.0.2.2; 165} 166EOF 167 168 # Start dhcp server 169 touch dhcpd.leases.conf 170 atf_check -e ignore ${dhcpd} -cf ./dhclient.dhcpd.conf -lf ./dhcpd.leases.conf -pf ./dhcpd.pid ${ngiface} 171 172 # Expect that we get an IP assigned 173 atf_check -e match:'DHCPACK from 192.0.2.2' jexec dhclient_pcp_test dhclient -c /dev/null -l ./lease.dhclient.test -p ./dhclient.test.pid ${epair}b 174 175 # And it's the correct one 176 atf_check -o match:'inet 192.0.2.10' jexec dhclient_pcp_test ifconfig ${epair}b 177} 178 179pcp_cleanup() 180{ 181 182 generic_dhcp_cleanup 183 184 # Clean up netgraph nodes 185 for i in $(cat ngctl.shutdown); do 186 ngctl shutdown ${i}: 187 done 188 rm ngctl.shutdown 189} 190 191atf_init_test_cases() 192{ 193 atf_add_test_case normal 194 atf_add_test_case pcp 195} 196 197