1# $FreeBSD$ 2# 3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4# 5# Copyright (c) 2020 The FreeBSD Foundation 6# 7# This software was developed by Kristof Provost under sponsorship 8# from the FreeBSD Foundation. 9# 10# Redistribution and use in source and binary forms, with or without 11# modification, are permitted provided that the following conditions 12# are met: 13# 1. Redistributions of source code must retain the above copyright 14# notice, this list of conditions and the following disclaimer. 15# 2. Redistributions in binary form must reproduce the above copyright 16# notice, this list of conditions and the following disclaimer in the 17# documentation and/or other materials provided with the distribution. 18# 19# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29# SUCH DAMAGE. 30 31. $(atf_get_srcdir)/../common/vnet.subr 32 33atf_test_case "bridge_transmit_ipv4_unicast" "cleanup" 34bridge_transmit_ipv4_unicast_head() 35{ 36 atf_set descr 'bridge_transmit_ipv4_unicast bridging test' 37 atf_set require.user root 38} 39 40bridge_transmit_ipv4_unicast_body() 41{ 42 vnet_init 43 44 epair_alcatraz=$(vnet_mkepair) 45 epair_singsing=$(vnet_mkepair) 46 47 vnet_mkjail alcatraz ${epair_alcatraz}b 48 vnet_mkjail singsing ${epair_singsing}b 49 50 jexec alcatraz ifconfig ${epair_alcatraz}b 192.0.2.1/24 up 51 jexec singsing ifconfig ${epair_singsing}b 192.0.2.2/24 up 52 53 bridge=$(vnet_mkbridge) 54 55 ifconfig ${bridge} up 56 ifconfig ${epair_alcatraz}a up 57 ifconfig ${epair_singsing}a up 58 ifconfig ${bridge} addm ${epair_alcatraz}a 59 ifconfig ${bridge} addm ${epair_singsing}a 60 61 atf_check -s exit:0 -o ignore jexec alcatraz ping -c 3 -t 1 192.0.2.2 62 atf_check -s exit:0 -o ignore jexec singsing ping -c 3 -t 1 192.0.2.1 63} 64 65bridge_transmit_ipv4_unicast_cleanup() 66{ 67 vnet_cleanup 68} 69 70atf_test_case "stp" "cleanup" 71stp_head() 72{ 73 atf_set descr 'Spanning tree test' 74 atf_set require.user root 75 atf_set require.progs jq 76} 77 78stp_body() 79{ 80 vnet_init 81 82 epair_one=$(vnet_mkepair) 83 epair_two=$(vnet_mkepair) 84 bridge_a=$(vnet_mkbridge) 85 bridge_b=$(vnet_mkbridge) 86 87 vnet_mkjail a ${bridge_a} ${epair_one}a ${epair_two}a 88 vnet_mkjail b ${bridge_b} ${epair_one}b ${epair_two}b 89 90 jexec a ifconfig ${bridge_a} up 91 jexec a ifconfig ${epair_one}a up 92 jexec a ifconfig ${epair_two}a up 93 jexec a ifconfig ${bridge_a} addm ${epair_one}a 94 jexec a ifconfig ${bridge_a} addm ${epair_two}a 95 96 jexec b ifconfig ${bridge_b} up 97 jexec b ifconfig ${epair_one}b up 98 jexec b ifconfig ${epair_two}b up 99 jexec b ifconfig ${bridge_b} addm ${epair_one}b 100 jexec b ifconfig ${bridge_b} addm ${epair_two}b 101 102 jexec a ifconfig ${bridge_a} 192.0.2.1/24 103 104 # Give the interfaces some time to come up and pass some traffic 105 sleep 5 106 107 # Confirm that there's looping traffic 108 nbr=$(jexec a netstat -I ${bridge_a} --libxo json \ 109 | jq ".statistics.interface[0].\"received-packets\"") 110 if [ ${nbr} -lt 100 ] 111 then 112 atf_fail "Expected bridging loop, but found very few packets." 113 fi 114 115 # Enable spanning tree 116 jexec a ifconfig ${bridge_a} stp ${epair_one}a 117 jexec a ifconfig ${bridge_a} stp ${epair_two}a 118 jexec b ifconfig ${bridge_b} stp ${epair_one}b 119 jexec b ifconfig ${bridge_b} stp ${epair_two}b 120 121 # Give STP time to do its thing 122 sleep 5 123 124 a_discard=$(jexec a ifconfig ${bridge_a} | grep discarding) 125 b_discard=$(jexec b ifconfig ${bridge_b} | grep discarding) 126 127 if [ -z "${a_discard}" ] && [ -z "${b_discard}" ] 128 then 129 atf_fail "STP failed to detect bridging loop" 130 fi 131} 132 133stp_cleanup() 134{ 135 vnet_cleanup 136} 137 138atf_test_case "static" "cleanup" 139static_head() 140{ 141 atf_set descr 'Bridge static address test' 142 atf_set require.user root 143} 144 145static_body() 146{ 147 vnet_init 148 149 epair=$(vnet_mkepair) 150 bridge=$(vnet_mkbridge) 151 152 vnet_mkjail one ${bridge} ${epair}a 153 154 ifconfig ${epair}b up 155 156 jexec one ifconfig ${bridge} up 157 jexec one ifconfig ${epair}a up 158 jexec one ifconfig ${bridge} addm ${epair}a 159 160 # Wrong interface 161 atf_check -s exit:1 -o ignore -e ignore \ 162 jexec one ifconfig ${bridge} static ${epair}b 00:01:02:03:04:05 163 164 # Bad address format 165 atf_check -s exit:1 -o ignore -e ignore \ 166 jexec one ifconfig ${bridge} static ${epair}a 00:01:02:03:04 167 168 # Correct add 169 atf_check -s exit:0 -o ignore \ 170 jexec one ifconfig ${bridge} static ${epair}a 00:01:02:03:04:05 171 172 # List addresses 173 atf_check -s exit:0 -o ignore \ 174 jexec one ifconfig ${bridge} addr 175 176 # Delete with bad address format 177 atf_check -s exit:1 -o ignore -e ignore \ 178 jexec one ifconfig ${bridge} deladdr 00:01:02:03:04 179 180 # Delete with unlisted address 181 atf_check -s exit:1 -o ignore -e ignore \ 182 jexec one ifconfig ${bridge} deladdr 00:01:02:03:04:06 183 184 # Correct delete 185 atf_check -s exit:0 -o ignore \ 186 jexec one ifconfig ${bridge} deladdr 00:01:02:03:04:05 187} 188 189static_cleanup() 190{ 191 vnet_cleanup 192} 193 194atf_test_case "span" "cleanup" 195span_head() 196{ 197 atf_set descr 'Bridge span test' 198 atf_set require.user root 199} 200 201span_body() 202{ 203 set -x 204 vnet_init 205 206 epair=$(vnet_mkepair) 207 epair_span=$(vnet_mkepair) 208 bridge=$(vnet_mkbridge) 209 210 vnet_mkjail one ${bridge} ${epair}a ${epair_span}a 211 212 ifconfig ${epair}b up 213 ifconfig ${epair_span}b up 214 215 jexec one ifconfig ${bridge} up 216 jexec one ifconfig ${epair}a up 217 jexec one ifconfig ${epair_span}a up 218 jexec one ifconfig ${bridge} addm ${epair}a 219 220 jexec one ifconfig ${bridge} span ${epair_span}a 221 jexec one ifconfig ${bridge} 192.0.2.1/24 222 223 # Send some traffic through the span 224 jexec one ping -c 1 -t 1 192.0.2.2 225 226 # Check that we see the traffic on the span interface 227 atf_check -s exit:0 \ 228 $(atf_get_srcdir)/../netpfil/common/pft_ping.py \ 229 --sendif ${epair}b \ 230 --to 192.0.2.2 \ 231 --recvif ${epair_span}b 232 233 jexec one ifconfig ${bridge} -span ${epair_span}a 234 235 # And no more traffic after we remove the span 236 atf_check -s exit:1 \ 237 $(atf_get_srcdir)/../netpfil/common/pft_ping.py \ 238 --sendif ${epair}b \ 239 --to 192.0.2.2 \ 240 --recvif ${epair_span}b 241} 242 243span_cleanup() 244{ 245 vnet_cleanup 246} 247 248atf_test_case "delete_with_members" "cleanup" 249delete_with_members_head() 250{ 251 atf_set descr 'Delete a bridge which still has member interfaces' 252 atf_set require.user root 253} 254 255delete_with_members_body() 256{ 257 vnet_init 258 259 bridge=$(vnet_mkbridge) 260 epair=$(vnet_mkepair) 261 262 ifconfig ${bridge} 192.0.2.1/24 up 263 ifconfig ${epair}a up 264 ifconfig ${bridge} addm ${epair}a 265 266 ifconfig ${bridge} destroy 267} 268 269delete_with_members_cleanup() 270{ 271 vnet_cleanup 272} 273 274atf_test_case "mac_conflict" "cleanup" 275mac_conflict_head() 276{ 277 atf_set descr 'Ensure that bridges in different jails get different mac addresses' 278 atf_set require.user root 279} 280 281mac_conflict_body() 282{ 283 vnet_init 284 285 epair=$(vnet_mkepair) 286 287 # Ensure the bridge module is loaded so jails can use it. 288 tmpbridge=$(vnet_mkbridge) 289 290 vnet_mkjail bridge_mac_conflict_one ${epair}a 291 vnet_mkjail bridge_mac_conflict_two ${epair}b 292 293 jexec bridge_mac_conflict_one ifconfig bridge create 294 jexec bridge_mac_conflict_one ifconfig bridge0 192.0.2.1/24 up \ 295 addm ${epair}a 296 jexec bridge_mac_conflict_one ifconfig ${epair}a up 297 298 jexec bridge_mac_conflict_two ifconfig bridge create 299 jexec bridge_mac_conflict_two ifconfig bridge0 192.0.2.2/24 up \ 300 addm ${epair}b 301 jexec bridge_mac_conflict_two ifconfig ${epair}b up 302 303 atf_check -s exit:0 -o ignore \ 304 jexec bridge_mac_conflict_one ping -c 3 192.0.2.2 305} 306 307mac_conflict_cleanup() 308{ 309 vnet_cleanup 310} 311 312atf_test_case "inherit_mac" "cleanup" 313inherit_mac_head() 314{ 315 atf_set descr 'Bridge inherit_mac test, #216510' 316 atf_set require.user root 317} 318 319inherit_mac_body() 320{ 321 vnet_init 322 323 bridge=$(vnet_mkbridge) 324 epair=$(vnet_mkepair) 325 vnet_mkjail one ${bridge} ${epair}a 326 327 jexec one sysctl net.link.bridge.inherit_mac=1 328 329 # Attempt to provoke the panic described in #216510 330 jexec one ifconfig ${bridge} 192.0.0.1/24 up 331 jexec one ifconfig ${bridge} addm ${epair}a 332} 333 334inherit_mac_cleanup() 335{ 336 vnet_cleanup 337} 338 339atf_init_test_cases() 340{ 341 atf_add_test_case "bridge_transmit_ipv4_unicast" 342 atf_add_test_case "stp" 343 atf_add_test_case "static" 344 atf_add_test_case "span" 345 atf_add_test_case "inherit_mac" 346 atf_add_test_case "delete_with_members" 347 atf_add_test_case "mac_conflict" 348} 349