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 ${epair_singsing}a 60 61 atf_check -s exit:0 -o ignore jexec alcatraz ping -c 3 -t 1 192.0.2.2 62 atf_check -s exit:0 -o ignore jexec singsing ping -c 3 -t 1 192.0.2.1 63} 64 65bridge_transmit_ipv4_unicast_cleanup() 66{ 67 vnet_cleanup 68} 69 70atf_test_case "stp" "cleanup" 71stp_head() 72{ 73 atf_set descr 'Spanning tree test' 74 atf_set require.user root 75} 76 77stp_body() 78{ 79 vnet_init 80 81 epair_one=$(vnet_mkepair) 82 epair_two=$(vnet_mkepair) 83 bridge_a=$(vnet_mkbridge) 84 bridge_b=$(vnet_mkbridge) 85 86 vnet_mkjail a ${bridge_a} ${epair_one}a ${epair_two}a 87 vnet_mkjail b ${bridge_b} ${epair_one}b ${epair_two}b 88 89 jexec a ifconfig ${epair_one}a up 90 jexec a ifconfig ${epair_two}a up 91 jexec a ifconfig ${bridge_a} addm ${epair_one}a 92 jexec a ifconfig ${bridge_a} addm ${epair_two}a 93 94 jexec b ifconfig ${epair_one}b up 95 jexec b ifconfig ${epair_two}b up 96 jexec b ifconfig ${bridge_b} addm ${epair_one}b 97 jexec b ifconfig ${bridge_b} addm ${epair_two}b 98 99 jexec a ifconfig ${bridge_a} 192.0.2.1/24 100 101 # Enable spanning tree 102 jexec a ifconfig ${bridge_a} stp ${epair_one}a 103 jexec a ifconfig ${bridge_a} stp ${epair_two}a 104 jexec b ifconfig ${bridge_b} stp ${epair_one}b 105 jexec b ifconfig ${bridge_b} stp ${epair_two}b 106 107 jexec b ifconfig ${bridge_b} up 108 jexec a ifconfig ${bridge_a} up 109 110 # Give STP time to do its thing 111 sleep 5 112 113 a_discard=$(jexec a ifconfig ${bridge_a} | grep discarding) 114 b_discard=$(jexec b ifconfig ${bridge_b} | grep discarding) 115 116 if [ -z "${a_discard}" ] && [ -z "${b_discard}" ] 117 then 118 atf_fail "STP failed to detect bridging loop" 119 fi 120 121 # We must also have at least some forwarding interfaces 122 a_forwarding=$(jexec a ifconfig ${bridge_a} | grep forwarding) 123 b_forwarding=$(jexec b ifconfig ${bridge_b} | grep forwarding) 124 125 if [ -z "${a_forwarding}" ] && [ -z "${b_forwarding}" ] 126 then 127 atf_fail "STP failed to detect bridging loop" 128 fi 129} 130 131stp_cleanup() 132{ 133 vnet_cleanup 134} 135 136atf_test_case "stp_vlan" "cleanup" 137stp_vlan_head() 138{ 139 atf_set descr 'Spanning tree on VLAN test' 140 atf_set require.user root 141} 142 143stp_vlan_body() 144{ 145 vnet_init 146 147 epair_one=$(vnet_mkepair) 148 epair_two=$(vnet_mkepair) 149 bridge_a=$(vnet_mkbridge) 150 bridge_b=$(vnet_mkbridge) 151 152 vnet_mkjail a ${bridge_a} ${epair_one}a ${epair_two}a 153 vnet_mkjail b ${bridge_b} ${epair_one}b ${epair_two}b 154 155 jexec a ifconfig ${epair_one}a up 156 jexec a ifconfig ${epair_two}a up 157 vlan_a_one=$(jexec a ifconfig vlan create vlandev ${epair_one}a vlan 42) 158 vlan_a_two=$(jexec a ifconfig vlan create vlandev ${epair_two}a vlan 42) 159 jexec a ifconfig ${vlan_a_one} up 160 jexec a ifconfig ${vlan_a_two} up 161 jexec a ifconfig ${bridge_a} addm ${vlan_a_one} 162 jexec a ifconfig ${bridge_a} addm ${vlan_a_two} 163 164 jexec b ifconfig ${epair_one}b up 165 jexec b ifconfig ${epair_two}b up 166 vlan_b_one=$(jexec b ifconfig vlan create vlandev ${epair_one}b vlan 42) 167 vlan_b_two=$(jexec b ifconfig vlan create vlandev ${epair_two}b vlan 42) 168 jexec b ifconfig ${vlan_b_one} up 169 jexec b ifconfig ${vlan_b_two} up 170 jexec b ifconfig ${bridge_b} addm ${vlan_b_one} 171 jexec b ifconfig ${bridge_b} addm ${vlan_b_two} 172 173 jexec a ifconfig ${bridge_a} 192.0.2.1/24 174 175 # Enable spanning tree 176 jexec a ifconfig ${bridge_a} stp ${vlan_a_one} 177 jexec a ifconfig ${bridge_a} stp ${vlan_a_two} 178 jexec b ifconfig ${bridge_b} stp ${vlan_b_one} 179 jexec b ifconfig ${bridge_b} stp ${vlan_b_two} 180 181 jexec b ifconfig ${bridge_b} up 182 jexec a ifconfig ${bridge_a} up 183 184 # Give STP time to do its thing 185 sleep 5 186 187 a_discard=$(jexec a ifconfig ${bridge_a} | grep discarding) 188 b_discard=$(jexec b ifconfig ${bridge_b} | grep discarding) 189 190 if [ -z "${a_discard}" ] && [ -z "${b_discard}" ] 191 then 192 atf_fail "STP failed to detect bridging loop" 193 fi 194 195 # We must also have at least some forwarding interfaces 196 a_forwarding=$(jexec a ifconfig ${bridge_a} | grep forwarding) 197 b_forwarding=$(jexec b ifconfig ${bridge_b} | grep forwarding) 198 199 if [ -z "${a_forwarding}" ] && [ -z "${b_forwarding}" ] 200 then 201 atf_fail "STP failed to detect bridging loop" 202 fi 203} 204 205stp_vlan_cleanup() 206{ 207 vnet_cleanup 208} 209 210atf_test_case "static" "cleanup" 211static_head() 212{ 213 atf_set descr 'Bridge static address test' 214 atf_set require.user root 215} 216 217static_body() 218{ 219 vnet_init 220 221 epair=$(vnet_mkepair) 222 bridge=$(vnet_mkbridge) 223 224 vnet_mkjail one ${bridge} ${epair}a 225 226 ifconfig ${epair}b up 227 228 jexec one ifconfig ${bridge} up 229 jexec one ifconfig ${epair}a up 230 jexec one ifconfig ${bridge} addm ${epair}a 231 232 # Wrong interface 233 atf_check -s exit:1 -o ignore -e ignore \ 234 jexec one ifconfig ${bridge} static ${epair}b 00:01:02:03:04:05 235 236 # Bad address format 237 atf_check -s exit:1 -o ignore -e ignore \ 238 jexec one ifconfig ${bridge} static ${epair}a 00:01:02:03:04 239 240 # Correct add 241 atf_check -s exit:0 -o ignore \ 242 jexec one ifconfig ${bridge} static ${epair}a 00:01:02:03:04:05 243 244 # List addresses 245 atf_check -s exit:0 -o ignore \ 246 jexec one ifconfig ${bridge} addr 247 248 # Delete with bad address format 249 atf_check -s exit:1 -o ignore -e ignore \ 250 jexec one ifconfig ${bridge} deladdr 00:01:02:03:04 251 252 # Delete with unlisted address 253 atf_check -s exit:1 -o ignore -e ignore \ 254 jexec one ifconfig ${bridge} deladdr 00:01:02:03:04:06 255 256 # Correct delete 257 atf_check -s exit:0 -o ignore \ 258 jexec one ifconfig ${bridge} deladdr 00:01:02:03:04:05 259} 260 261static_cleanup() 262{ 263 vnet_cleanup 264} 265 266atf_test_case "span" "cleanup" 267span_head() 268{ 269 atf_set descr 'Bridge span test' 270 atf_set require.user root 271 atf_set require.progs scapy 272} 273 274span_body() 275{ 276 set -x 277 vnet_init 278 279 if [ "$(atf_config_get ci false)" = "true" ]; then 280 atf_skip "https://bugs.freebsd.org/260461" 281 fi 282 283 epair=$(vnet_mkepair) 284 epair_span=$(vnet_mkepair) 285 bridge=$(vnet_mkbridge) 286 287 vnet_mkjail one ${bridge} ${epair}a ${epair_span}a 288 289 ifconfig ${epair}b up 290 ifconfig ${epair_span}b up 291 292 jexec one ifconfig ${bridge} up 293 jexec one ifconfig ${epair}a up 294 jexec one ifconfig ${epair_span}a up 295 jexec one ifconfig ${bridge} addm ${epair}a 296 297 jexec one ifconfig ${bridge} span ${epair_span}a 298 jexec one ifconfig ${bridge} 192.0.2.1/24 299 300 # Send some traffic through the span 301 jexec one ping -c 1 -t 1 192.0.2.2 302 303 # Check that we see the traffic on the span interface 304 atf_check -s exit:0 \ 305 $(atf_get_srcdir)/../netpfil/common/pft_ping.py \ 306 --sendif ${epair}b \ 307 --to 192.0.2.2 \ 308 --recvif ${epair_span}b 309 310 jexec one ifconfig ${bridge} -span ${epair_span}a 311 312 # And no more traffic after we remove the span 313 atf_check -s exit:1 \ 314 $(atf_get_srcdir)/../netpfil/common/pft_ping.py \ 315 --sendif ${epair}b \ 316 --to 192.0.2.2 \ 317 --recvif ${epair_span}b 318} 319 320span_cleanup() 321{ 322 vnet_cleanup 323} 324 325atf_test_case "delete_with_members" "cleanup" 326delete_with_members_head() 327{ 328 atf_set descr 'Delete a bridge which still has member interfaces' 329 atf_set require.user root 330} 331 332delete_with_members_body() 333{ 334 vnet_init 335 336 bridge=$(vnet_mkbridge) 337 epair=$(vnet_mkepair) 338 339 ifconfig ${bridge} 192.0.2.1/24 up 340 ifconfig ${epair}a up 341 ifconfig ${bridge} addm ${epair}a 342 343 ifconfig ${bridge} destroy 344} 345 346delete_with_members_cleanup() 347{ 348 vnet_cleanup 349} 350 351atf_test_case "mac_conflict" "cleanup" 352mac_conflict_head() 353{ 354 atf_set descr 'Ensure that bridges in different jails get different mac addresses' 355 atf_set require.user root 356} 357 358mac_conflict_body() 359{ 360 vnet_init 361 362 epair=$(vnet_mkepair) 363 364 # Ensure the bridge module is loaded so jails can use it. 365 tmpbridge=$(vnet_mkbridge) 366 367 vnet_mkjail bridge_mac_conflict_one ${epair}a 368 vnet_mkjail bridge_mac_conflict_two ${epair}b 369 370 jexec bridge_mac_conflict_one ifconfig bridge create 371 jexec bridge_mac_conflict_one ifconfig bridge0 192.0.2.1/24 up \ 372 addm ${epair}a 373 jexec bridge_mac_conflict_one ifconfig ${epair}a up 374 375 jexec bridge_mac_conflict_two ifconfig bridge create 376 jexec bridge_mac_conflict_two ifconfig bridge0 192.0.2.2/24 up \ 377 addm ${epair}b 378 jexec bridge_mac_conflict_two ifconfig ${epair}b up 379 380 atf_check -s exit:0 -o ignore \ 381 jexec bridge_mac_conflict_one ping -c 3 192.0.2.2 382} 383 384mac_conflict_cleanup() 385{ 386 vnet_cleanup 387} 388 389atf_test_case "inherit_mac" "cleanup" 390inherit_mac_head() 391{ 392 atf_set descr 'Bridge inherit_mac test, #216510' 393 atf_set require.user root 394} 395 396inherit_mac_body() 397{ 398 vnet_init 399 400 bridge=$(vnet_mkbridge) 401 epair=$(vnet_mkepair) 402 vnet_mkjail one ${bridge} ${epair}a 403 404 jexec one sysctl net.link.bridge.inherit_mac=1 405 406 # Attempt to provoke the panic described in #216510 407 jexec one ifconfig ${bridge} 192.0.0.1/24 up 408 jexec one ifconfig ${bridge} addm ${epair}a 409} 410 411inherit_mac_cleanup() 412{ 413 vnet_cleanup 414} 415 416atf_test_case "stp_validation" "cleanup" 417stp_validation_head() 418{ 419 atf_set descr 'Check STP validation' 420 atf_set require.user root 421 atf_set require.progs scapy 422} 423 424stp_validation_body() 425{ 426 vnet_init 427 428 epair_one=$(vnet_mkepair) 429 epair_two=$(vnet_mkepair) 430 bridge=$(vnet_mkbridge) 431 432 ifconfig ${bridge} up 433 ifconfig ${bridge} addm ${epair_one}a addm ${epair_two}a 434 ifconfig ${bridge} stp ${epair_one}a stp ${epair_two}a 435 436 ifconfig ${epair_one}a up 437 ifconfig ${epair_one}b up 438 ifconfig ${epair_two}a up 439 ifconfig ${epair_two}b up 440 441 # Wait until the interfaces are no longer discarding 442 while ifconfig ${bridge} | grep 'state discarding' >/dev/null 443 do 444 sleep 1 445 done 446 447 # Now inject invalid STP BPDUs on epair_one and see if they're repeated 448 # on epair_two 449 atf_check -s exit:0 \ 450 $(atf_get_srcdir)/stp.py \ 451 --sendif ${epair_one}b \ 452 --recvif ${epair_two}b 453} 454 455stp_validation_cleanup() 456{ 457 vnet_cleanup 458} 459 460atf_test_case "gif" "cleanup" 461gif_head() 462{ 463 atf_set descr 'gif as a bridge member' 464 atf_set require.user root 465} 466 467gif_body() 468{ 469 vnet_init 470 471 epair=$(vnet_mkepair) 472 473 vnet_mkjail one ${epair}a 474 vnet_mkjail two ${epair}b 475 476 jexec one sysctl net.link.gif.max_nesting=2 477 jexec two sysctl net.link.gif.max_nesting=2 478 479 jexec one ifconfig ${epair}a 192.0.2.1/24 up 480 jexec two ifconfig ${epair}b 192.0.2.2/24 up 481 482 # Tunnel 483 gif_one=$(jexec one ifconfig gif create) 484 gif_two=$(jexec two ifconfig gif create) 485 486 jexec one ifconfig ${gif_one} tunnel 192.0.2.1 192.0.2.2 487 jexec one ifconfig ${gif_one} up 488 jexec two ifconfig ${gif_two} tunnel 192.0.2.2 192.0.2.1 489 jexec two ifconfig ${gif_two} up 490 491 bridge_one=$(jexec one ifconfig bridge create) 492 bridge_two=$(jexec two ifconfig bridge create) 493 jexec one ifconfig ${bridge_one} 198.51.100.1/24 up 494 jexec one ifconfig ${bridge_one} addm ${gif_one} 495 jexec two ifconfig ${bridge_two} 198.51.100.2/24 up 496 jexec two ifconfig ${bridge_two} addm ${gif_two} 497 498 # Sanity check 499 atf_check -s exit:0 -o ignore \ 500 jexec one ping -c 1 192.0.2.2 501 502 # Test tunnel 503 atf_check -s exit:0 -o ignore \ 504 jexec one ping -c 1 198.51.100.2 505 atf_check -s exit:0 -o ignore \ 506 jexec one ping -c 1 -s 1200 198.51.100.2 507 atf_check -s exit:0 -o ignore \ 508 jexec one ping -c 1 -s 2000 198.51.100.2 509 510 # Higher MTU on the tunnel than on the underlying interface 511 jexec one ifconfig ${epair}a mtu 1000 512 jexec two ifconfig ${epair}b mtu 1000 513 514 atf_check -s exit:0 -o ignore \ 515 jexec one ping -c 1 -s 1200 198.51.100.2 516 atf_check -s exit:0 -o ignore \ 517 jexec one ping -c 1 -s 2000 198.51.100.2 518} 519 520gif_cleanup() 521{ 522 vnet_cleanup 523} 524 525atf_test_case "mtu" "cleanup" 526mtu_head() 527{ 528 atf_set descr 'Bridge MTU changes' 529 atf_set require.user root 530} 531 532get_mtu() 533{ 534 intf=$1 535 536 ifconfig ${intf} ether | awk '$5 == "mtu" { print $6 }' 537} 538 539check_mtu() 540{ 541 intf=$1 542 expected=$2 543 544 mtu=$(get_mtu $intf) 545 if [ $mtu -ne $expected ]; 546 then 547 atf_fail "Expected MTU of $expected on $intf but found $mtu" 548 fi 549} 550 551mtu_body() 552{ 553 vnet_init 554 555 epair=$(vnet_mkepair) 556 gif=$(ifconfig gif create) 557 echo ${gif} >> created_interfaces.lst 558 bridge=$(vnet_mkbridge) 559 560 atf_check -s exit:0 \ 561 ifconfig ${bridge} addm ${epair}a 562 563 ifconfig ${gif} mtu 1500 564 atf_check -s exit:0 \ 565 ifconfig ${bridge} addm ${gif} 566 567 # Changing MTU changes it for all member interfaces 568 atf_check -s exit:0 \ 569 ifconfig ${bridge} mtu 2000 570 571 check_mtu ${bridge} 2000 572 check_mtu ${gif} 2000 573 check_mtu ${epair}a 2000 574 575 # Rejected MTUs mean none of the MTUs change 576 atf_check -s exit:1 -e ignore \ 577 ifconfig ${bridge} mtu 9000 578 579 check_mtu ${bridge} 2000 580 check_mtu ${gif} 2000 581 check_mtu ${epair}a 2000 582 583 # We're not allowed to change the MTU of a member interface 584 atf_check -s exit:1 -e ignore \ 585 ifconfig ${epair}a mtu 1900 586 check_mtu ${epair}a 2000 587 588 # Test adding an interface with a different MTU 589 new_epair=$(vnet_mkepair) 590 check_mtu ${new_epair}a 1500 591 atf_check -s exit:0 -e ignore \ 592 ifconfig ${bridge} addm ${new_epair}a 593 594 check_mtu ${bridge} 2000 595 check_mtu ${gif} 2000 596 check_mtu ${epair}a 2000 597 check_mtu ${new_epair}a 2000 598} 599 600mtu_cleanup() 601{ 602 vnet_cleanup 603} 604 605atf_init_test_cases() 606{ 607 atf_add_test_case "bridge_transmit_ipv4_unicast" 608 atf_add_test_case "stp" 609 atf_add_test_case "stp_vlan" 610 atf_add_test_case "static" 611 atf_add_test_case "span" 612 atf_add_test_case "inherit_mac" 613 atf_add_test_case "delete_with_members" 614 atf_add_test_case "mac_conflict" 615 atf_add_test_case "stp_validation" 616 atf_add_test_case "gif" 617 atf_add_test_case "mtu" 618} 619
