1 # $NetBSD: t_ndp.sh,v 1.40 2022/01/07 03:07:41 ozaki-r Exp $ 2 # 3 # Copyright (c) 2015 The NetBSD Foundation, Inc. 4 # All rights reserved. 5 # 6 # Redistribution and use in source and binary forms, with or without 7 # modification, are permitted provided that the following conditions 8 # are met: 9 # 1. Redistributions of source code must retain the above copyright 10 # notice, this list of conditions and the following disclaimer. 11 # 2. Redistributions in binary form must reproduce the above copyright 12 # notice, this list of conditions and the following disclaimer in the 13 # documentation and/or other materials provided with the distribution. 14 # 15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 # POSSIBILITY OF SUCH DAMAGE. 26 # 27 28 SOCKSRC=unix://commsock1 29 SOCKDST=unix://commsock2 30 IP6SRC=fc00::1 31 IP6SRC2=fc00::3 32 IP6DST=fc00::2 33 IP6NET=fc00::0 34 IP6DST_FAIL1=fc00::99 35 IP6DST_FAIL2=fc01::99 36 37 DEBUG=${DEBUG:-false} 38 TIMEOUT=1 39 40 atf_test_case ndp_cache_expiration cleanup 41 atf_test_case ndp_commands cleanup 42 atf_test_case ndp_cache_overwriting cleanup 43 atf_test_case ndp_neighborgcthresh cleanup 44 atf_test_case ndp_link_activation cleanup 45 46 ndp_cache_expiration_head() 47 { 48 atf_set "descr" "Tests for NDP cache expiration" 49 atf_set "require.progs" "rump_server" 50 } 51 52 ndp_commands_head() 53 { 54 atf_set "descr" "Tests for commands of ndp(8)" 55 atf_set "require.progs" "rump_server" 56 } 57 58 ndp_cache_overwriting_head() 59 { 60 atf_set "descr" "Tests for behavior of overwriting NDP caches" 61 atf_set "require.progs" "rump_server" 62 } 63 64 ndp_neighborgcthresh_head() 65 { 66 atf_set "descr" "Tests for GC of neighbor caches" 67 atf_set "require.progs" "rump_server" 68 } 69 70 ndp_link_activation_head() 71 { 72 atf_set "descr" "Tests for activating a new MAC address" 73 atf_set "require.progs" "rump_server" 74 } 75 76 setup_dst_server() 77 { 78 local assign_ip=$1 79 80 rump_server_add_iface $SOCKDST shmif0 bus1 81 export RUMP_SERVER=$SOCKDST 82 if [ "$assign_ip" != no ]; then 83 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6DST 84 fi 85 atf_check -s exit:0 rump.ifconfig shmif0 up 86 atf_check -s exit:0 rump.ifconfig -w 10 87 88 $DEBUG && rump.ifconfig shmif0 89 $DEBUG && rump.ndp -n -a 90 } 91 92 setup_src_server() 93 { 94 $DEBUG && ulimit -c unlimited 95 export RUMP_SERVER=$SOCKSRC 96 97 # Setup an interface 98 rump_server_add_iface $SOCKSRC shmif0 bus1 99 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6SRC 100 atf_check -s exit:0 rump.ifconfig shmif0 up 101 atf_check -s exit:0 rump.ifconfig -w 10 102 103 # Sanity check 104 $DEBUG && rump.ifconfig shmif0 105 $DEBUG && rump.ndp -n -a 106 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6SRC 107 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 108 } 109 110 get_timeout() 111 { 112 local timeout=$(env RUMP_SERVER=$SOCKSRC rump.ndp -n $IP6DST |grep $IP6DST|awk '{print $4;}') 113 timeout=${timeout%s} 114 echo $timeout 115 } 116 117 ndp_cache_expiration_body() 118 { 119 local macaddr= 120 121 rump_server_start $SOCKSRC netinet6 122 rump_server_start $SOCKDST netinet6 123 124 setup_dst_server 125 setup_src_server 126 127 # Shorten the expire time of cache entries 128 export RUMP_SERVER=$SOCKSRC 129 atf_check -s exit:0 -o match:'basereachable=7s0ms' \ 130 rump.ndp -i shmif0 basereachable=7000 131 132 # Make a permanent cache entry to avoid sending an NS packet disturbing 133 # the test 134 macaddr=$(get_macaddr $SOCKSRC shmif0) 135 export RUMP_SERVER=$SOCKDST 136 atf_check -s exit:0 -o ignore rump.ndp -s $IP6SRC $macaddr 137 138 export RUMP_SERVER=$SOCKSRC 139 140 # 141 # Check if a cache is expired expectedly 142 # 143 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 144 145 $DEBUG && rump.ndp -n -a 146 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6SRC 147 # Should be cached 148 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 149 150 timeout=$(get_timeout $IP6DST) 151 152 atf_check -s exit:0 sleep $(($timeout + 1)) 153 154 $DEBUG && rump.ndp -n -a 155 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6SRC 156 # Expired but remains until GC sweaps it (1 day) 157 atf_check -s exit:0 -o match:"$ONEDAYISH" rump.ndp -n $IP6DST 158 159 rump_server_destroy_ifaces 160 } 161 162 ifdown_dst_server() 163 { 164 export RUMP_SERVER=$SOCKDST 165 atf_check -s exit:0 rump.ifconfig shmif0 down 166 export RUMP_SERVER=$SOCKSRC 167 } 168 169 ndp_commands_body() 170 { 171 172 rump_server_start $SOCKSRC netinet6 173 rump_server_start $SOCKDST netinet6 174 175 setup_dst_server 176 setup_src_server 177 178 export RUMP_SERVER=$SOCKSRC 179 180 # Add and delete a static entry 181 $DEBUG && rump.ndp -n -a 182 atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 183 $DEBUG && rump.ndp -n -a 184 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::10 185 check_route fc00::10 'b2:a0:20:00:00:10' UHLS shmif0 186 atf_check -s exit:0 -o match:'deleted' rump.ndp -d fc00::10 187 $DEBUG && rump.ndp -n -a 188 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n fc00::10 189 check_route_no_entry fc00::10 190 191 # Add multiple entries via a file (XXX not implemented) 192 #cat - > ./list <<-EOF 193 #fc00::11 b2:a0:20:00:00:11 194 #fc00::12 b2:a0:20:00:00:12 195 #fc00::13 b2:a0:20:00:00:13 196 #fc00::14 b2:a0:20:00:00:14 197 #fc00::15 b2:a0:20:00:00:15 198 #EOF 199 #$DEBUG && rump.ndp -n -a 200 #atf_check -s exit:0 -o ignore rump.ndp -f ./list 201 #$DEBUG && rump.ndp -n -a 202 203 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 204 atf_check -s exit:0 -o ignore rump.ndp -s fc00::11 b2:a0:20:00:00:11 205 atf_check -s exit:0 -o ignore rump.ndp -s fc00::12 b2:a0:20:00:00:12 206 207 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 208 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::11 209 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::12 210 check_route_flags $IP6DST UHL 211 check_route_flags fc00::11 UHLS 212 check_route_flags fc00::12 UHLS 213 214 # Test ndp -a 215 atf_check -s exit:0 -o match:'fc00::11' rump.ndp -n -a 216 atf_check -s exit:0 -o match:'fc00::12' rump.ndp -n -a 217 218 # Ensure no packet upsets the src server 219 ifdown_dst_server 220 221 # Flush all entries (-c) 222 $DEBUG && rump.ndp -n -a 223 atf_check -s exit:0 -o ignore rump.ndp -c 224 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6SRC 225 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST 226 #check_route_no_entry $IP6SRC 227 check_route_no_entry $IP6DST 228 # Only the static caches are not deleted 229 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::11 230 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::12 231 check_route_flags fc00::11 UHLS 232 check_route_flags fc00::12 UHLS 233 234 $DEBUG && rump.ndp -n -a 235 atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 236 rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 237 $DEBUG && rump.ndp -n -a 238 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 239 check_route fc00::10 'b2:a0:20:00:00:10' UHL shmif0 240 241 rump_server_destroy_ifaces 242 } 243 244 ndp_cache_overwriting_body() 245 { 246 247 rump_server_start $SOCKSRC netinet6 248 rump_server_start $SOCKDST netinet6 249 250 setup_dst_server 251 setup_src_server 252 253 export RUMP_SERVER=$SOCKSRC 254 255 # Cannot overwrite a permanent cache 256 atf_check -s exit:0 rump.ndp -s $IP6SRC b2:a0:20:00:00:ff 257 $DEBUG && rump.ndp -n -a 258 atf_check -s not-exit:0 -e ignore rump.ndp -s $IP6SRC b2:a0:20:00:00:fe 259 260 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 261 $DEBUG && rump.ndp -n -a 262 # Can overwrite a dynamic cache 263 atf_check -s exit:0 -o ignore rump.ndp -s $IP6DST b2:a0:20:00:00:00 264 $DEBUG && rump.ndp -n -a 265 atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6DST 266 267 # Test temp option (XXX it doesn't work; expire time isn't set) 268 #atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 269 #$DEBUG && rump.ndp -n -a 270 #atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 271 # Cannot overwrite a temp cache 272 #atf_check -s not-exit:0 -e ignore rump.ndp -s fc00::10 b2:a0:20:00:00:ff 273 #$DEBUG && rump.ndp -n -a 274 275 rump_server_destroy_ifaces 276 } 277 278 get_n_caches() 279 { 280 281 echo $(rump.ndp -a -n |grep -v -e Neighbor -e permanent |wc -l) 282 } 283 284 ndp_neighborgcthresh_body() 285 { 286 287 rump_server_start $SOCKSRC netinet6 288 rump_server_start $SOCKDST netinet6 289 290 setup_dst_server no 291 setup_src_server 292 293 export RUMP_SERVER=$SOCKDST 294 for i in $(seq 0 9); do 295 atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6DST}$i 296 done 297 298 export RUMP_SERVER=$SOCKSRC 299 300 # ping to 3 destinations 301 $DEBUG && rump.ndp -n -a 302 for i in $(seq 0 2); do 303 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 304 ${IP6DST}$i 305 done 306 $DEBUG && rump.ndp -n -a 307 308 # 3 caches should be created 309 atf_check_equal $(get_n_caches) 3 310 311 # ping to additional 3 destinations 312 for i in $(seq 3 5); do 313 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 314 ${IP6DST}$i 315 done 316 $DEBUG && rump.ndp -n -a 317 318 # 6 caches should be created in total 319 atf_check_equal $(get_n_caches) 6 320 321 # Limit the number of neighbor caches to 5 322 atf_check -s exit:0 -o ignore rump.sysctl -w \ 323 net.inet6.ip6.neighborgcthresh=5 324 325 # ping to additional 4 destinations 326 for i in $(seq 6 9); do 327 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 328 ${IP6DST}$i 329 done 330 331 # More than 5 caches should be created in total, but exceeded caches 332 # should be GC-ed 333 if [ "$(get_n_caches)" -gt 5 ]; then 334 atf_fail "Neighbor caches are not GC-ed" 335 fi 336 337 rump_server_destroy_ifaces 338 } 339 340 make_pkt_str_na() 341 { 342 local ip=$1 343 local mac=$2 344 local pkt= 345 pkt="$mac > 33:33:00:00:00:01, ethertype IPv6 (0x86dd), length 86:" 346 pkt="$pkt $ip > ff02::1: ICMP6, neighbor advertisement" 347 echo $pkt 348 } 349 350 ndp_link_activation_body() 351 { 352 local linklocal= 353 354 rump_server_start $SOCKSRC netinet6 355 rump_server_start $SOCKDST netinet6 356 357 setup_dst_server 358 setup_src_server 359 360 # flush old packets 361 extract_new_packets bus1 > ./out 362 363 export RUMP_SERVER=$SOCKSRC 364 365 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 366 b2:a1:00:00:00:01 367 368 atf_check -s exit:0 sleep 1 369 extract_new_packets bus1 > ./out 370 $DEBUG && cat ./out 371 372 linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}') 373 $DEBUG && echo $linklocal 374 375 pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:01) 376 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 377 378 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 379 b2:a1:00:00:00:02 active 380 381 atf_check -s exit:0 sleep 1 382 extract_new_packets bus1 > ./out 383 $DEBUG && cat ./out 384 385 linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}') 386 $DEBUG && echo $linklocal 387 388 pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:02) 389 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 390 391 rump_server_destroy_ifaces 392 } 393 394 ndp_cache_expiration_cleanup() 395 { 396 $DEBUG && dump 397 cleanup 398 } 399 400 ndp_commands_cleanup() 401 { 402 $DEBUG && dump 403 cleanup 404 } 405 406 ndp_cache_overwriting_cleanup() 407 { 408 $DEBUG && dump 409 cleanup 410 } 411 412 ndp_neighborgcthresh_cleanup() 413 { 414 $DEBUG && dump 415 cleanup 416 } 417 418 ndp_link_activation_cleanup() 419 { 420 $DEBUG && dump 421 cleanup 422 } 423 424 atf_test_case ndp_rtm cleanup 425 ndp_rtm_head() 426 { 427 428 atf_set "descr" "Tests for routing messages on operations of NDP entries" 429 atf_set "require.progs" "rump_server" 430 } 431 432 ndp_rtm_body() 433 { 434 local macaddr_src= macaddr_dst= 435 local file=./tmp 436 local pid= hdr= what= addr= 437 438 rump_server_start $SOCKSRC netinet6 439 rump_server_start $SOCKDST netinet6 440 441 setup_dst_server 442 setup_src_server 443 444 macaddr_src=$(get_macaddr $SOCKSRC shmif0) 445 macaddr_dst=$(get_macaddr $SOCKDST shmif0) 446 447 export RUMP_SERVER=$SOCKSRC 448 449 # Test ping and a resulting routing message (RTM_ADD) 450 rump.route -n monitor -c 1 > $file & 451 pid=$! 452 sleep 1 453 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 454 wait $pid 455 $DEBUG && cat $file 456 457 hdr="RTM_ADD.+<UP,HOST,DONE,LLINFO,CLONED>" 458 what="<DST,GATEWAY,AUTHOR>" 459 addr="$IP6DST $macaddr_dst $IP6DST" 460 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \ 461 cat $file 462 463 # Test ping and a resulting routing message (RTM_MISS) on subnet 464 rump.route -n monitor -c 1 > $file & 465 pid=$! 466 sleep 1 467 atf_check -s exit:1 -o ignore -e ignore \ 468 rump.ping6 -n -X 1 -c 1 $IP6DST_FAIL1 469 wait $pid 470 $DEBUG && cat $file 471 472 hdr="RTM_MISS.+<DONE>" 473 what="<DST,GATEWAY,AUTHOR>" 474 addr="$IP6DST_FAIL1 link#2 $IP6SRC" 475 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \ 476 cat $file 477 478 # Test ping and a resulting routing message (RTM_MISS) off subnet 479 rump.route -n monitor -c 1 > $file & 480 pid=$! 481 sleep 1 482 atf_check -s exit:1 -o ignore -e ignore \ 483 rump.ping6 -n -X 1 -c 1 $IP6DST_FAIL2 484 wait $pid 485 $DEBUG && cat $file 486 487 hdr="RTM_MISS.+<DONE>" 488 what="<DST>" 489 addr="$IP6DST_FAIL2" 490 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \ 491 cat $file 492 493 # Test ndp -d and resulting routing messages (RTM_DELETE) 494 rump.route -n monitor -c 1 > $file & 495 pid=$! 496 sleep 1 497 atf_check -s exit:0 -o ignore rump.ndp -d $IP6DST 498 wait $pid 499 $DEBUG && cat $file 500 501 hdr="RTM_DELETE.+<HOST,DONE,LLINFO,CLONED>" 502 what="<DST,GATEWAY>" 503 addr="$IP6DST $macaddr_dst" 504 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \ 505 grep -A 3 RTM_DELETE $file 506 507 rump_server_destroy_ifaces 508 } 509 510 ndp_rtm_cleanup() 511 { 512 513 $DEBUG && dump 514 cleanup 515 } 516 517 atf_test_case ndp_purge_on_route_change cleanup 518 ndp_purge_on_route_change_head() 519 { 520 521 atf_set "descr" "Tests if NDP entries are removed on route change" 522 atf_set "require.progs" "rump_server" 523 } 524 525 ndp_purge_on_route_change_body() 526 { 527 528 rump_server_start $SOCKSRC netinet6 529 rump_server_start $SOCKDST netinet6 530 531 setup_dst_server 532 setup_src_server 533 534 rump_server_add_iface $SOCKSRC shmif1 bus1 535 export RUMP_SERVER=$SOCKSRC 536 atf_check -s exit:0 rump.ifconfig shmif1 inet6 fc00:1::1 537 atf_check -s exit:0 rump.ifconfig -w 10 538 539 $DEBUG && rump.netstat -nr -f inet6 540 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 541 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 542 543 atf_check -s exit:0 -o ignore \ 544 rump.route change -inet6 -net $IP6NET/64 -ifp shmif1 545 $DEBUG && rump.netstat -nr -f inet6 546 $DEBUG && rump.ndp -na 547 # The entry was already removed on route change 548 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 549 rump.ndp -n $IP6DST 550 551 rump_server_destroy_ifaces 552 } 553 554 ndp_purge_on_route_change_cleanup() 555 { 556 557 $DEBUG && dump 558 cleanup 559 } 560 561 atf_test_case ndp_purge_on_route_delete cleanup 562 ndp_purge_on_route_delete_head() 563 { 564 565 atf_set "descr" "Tests if NDP entries are removed on route delete" 566 atf_set "require.progs" "rump_server" 567 } 568 569 ndp_purge_on_route_delete_body() 570 { 571 572 rump_server_start $SOCKSRC netinet6 573 rump_server_start $SOCKDST netinet6 574 575 setup_dst_server 576 setup_src_server 577 578 $DEBUG && rump.netstat -nr -f inet6 579 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 580 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 581 582 atf_check -s exit:0 -o ignore rump.route delete -inet6 -net $IP6NET/64 583 $DEBUG && rump.netstat -nr -f inet6 584 $DEBUG && rump.ndp -na 585 586 # The entry was already removed on route delete 587 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 588 rump.ndp -n $IP6DST 589 590 rump_server_destroy_ifaces 591 } 592 593 ndp_purge_on_route_delete_cleanup() 594 { 595 596 $DEBUG && dump 597 cleanup 598 } 599 600 atf_test_case ndp_purge_on_ifdown cleanup 601 ndp_purge_on_ifdown_head() 602 { 603 604 atf_set "descr" "Tests if NDP entries are removed on interface down" 605 atf_set "require.progs" "rump_server" 606 } 607 608 ndp_purge_on_ifdown_body() 609 { 610 611 rump_server_start $SOCKSRC netinet6 612 rump_server_start $SOCKDST netinet6 613 614 setup_dst_server 615 setup_src_server 616 617 $DEBUG && rump.netstat -nr -f inet6 618 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 619 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 620 621 # Shutdown the interface 622 atf_check -s exit:0 rump.ifconfig shmif0 down 623 $DEBUG && rump.netstat -nr -f inet6 624 $DEBUG && rump.ndp -na 625 626 # The entry was already removed on ifconfig down 627 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 628 rump.ndp -n $IP6DST 629 630 rump_server_destroy_ifaces 631 } 632 633 ndp_purge_on_ifdown_cleanup() 634 { 635 636 $DEBUG && dump 637 cleanup 638 } 639 640 atf_test_case ndp_stray_entries cleanup 641 ndp_stray_entries_head() 642 { 643 644 atf_set "descr" "Tests if NDP entries are removed on route change" 645 atf_set "require.progs" "rump_server" 646 } 647 648 ndp_stray_entries_body() 649 { 650 651 rump_server_start $SOCKSRC netinet6 652 rump_server_start $SOCKDST netinet6 653 654 setup_dst_server 655 setup_src_server 656 657 rump_server_add_iface $SOCKSRC shmif1 bus1 658 659 export RUMP_SERVER=$SOCKSRC 660 atf_check -s exit:0 rump.ifconfig shmif1 inet6 $IP6SRC2/64 661 atf_check -s exit:0 rump.ifconfig -w 10 662 663 $DEBUG && rump.netstat -nr -f inet6 664 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 665 $DEBUG && rump.ndp -na 666 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 667 atf_check -s exit:0 -o not-match:'shmif1' rump.ndp -n $IP6DST 668 669 # Clean up 670 atf_check -s exit:0 -o ignore rump.ndp -c 671 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 672 673 # ping from a different source address 674 atf_check -s exit:0 -o ignore \ 675 rump.ping6 -n -X 1 -c 1 -S $IP6SRC2 $IP6DST 676 $DEBUG && rump.ndp -na 677 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 678 # ARP reply goes back via shmif1, so a cache is created on shmif1 679 atf_check -s exit:0 -o match:'shmif1' rump.ndp -n $IP6DST 680 681 # Clean up by ndp -c 682 atf_check -s exit:0 -o ignore rump.ndp -c 683 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 684 685 # ping from a different source address again 686 atf_check -s exit:0 -o ignore \ 687 rump.ping6 -n -X 1 -c 1 -S $IP6SRC2 $IP6DST 688 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 689 # ARP reply doen't come 690 atf_check -s exit:0 -o not-match:'shmif1' rump.ndp -n $IP6DST 691 692 # Cleanup caches on the destination 693 export RUMP_SERVER=$SOCKDST 694 $DEBUG && rump.ndp -na 695 atf_check -s exit:0 -o ignore rump.ndp -c 696 $DEBUG && rump.ndp -na 697 export RUMP_SERVER=$SOCKSRC 698 699 # ping from a different source address again 700 atf_check -s exit:0 -o ignore \ 701 rump.ping6 -n -X 1 -c 1 -S $IP6SRC2 $IP6DST 702 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 703 # ARP reply goes back via shmif1 704 atf_check -s exit:0 -o match:'shmif1' rump.ndp -n $IP6DST 705 706 # Clean up by ndp -d <ip> 707 atf_check -s exit:0 -o ignore rump.ndp -d $IP6DST 708 # Both entries should be deleted 709 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 710 711 rump_server_destroy_ifaces 712 } 713 714 ndp_stray_entries_cleanup() 715 { 716 717 $DEBUG && dump 718 cleanup 719 } 720 721 atf_test_case ndp_cache_state cleanup 722 ndp_cache_state_head() 723 { 724 725 atf_set "descr" "Tests states of neighbor cache entries" 726 atf_set "require.progs" "rump_server" 727 } 728 729 check_cache_state() 730 { 731 local dst=$1 732 local state=$2 733 734 $DEBUG && rump.ndp -n $dst 735 atf_check -s exit:0 -o match:"^$dst.*$state " rump.ndp -n $dst 736 } 737 738 wait_until_stalled() 739 { 740 local dst=$1 741 local state=$2 742 743 $DEBUG && rump.ndp -n $dst 744 while true; do 745 rump.ndp -n $dst | grep -q "^$dst.*S " && break 746 sleep 1 747 done 748 $DEBUG && rump.ndp -n $dst 749 } 750 751 ndp_cache_state_body() 752 { 753 local macaddr= 754 755 skip_if_qemu 756 757 rump_server_start $SOCKSRC netinet6 758 rump_server_start $SOCKDST netinet6 759 760 setup_dst_server 761 setup_src_server 762 763 # Shorten the expire time of cache entries 764 export RUMP_SERVER=$SOCKSRC 765 atf_check -s exit:0 -o match:'basereachable=7s0ms' \ 766 rump.ndp -i shmif0 basereachable=7000 767 768 # Make a permanent cache entry to avoid sending an NS packet disturbing 769 # the test 770 macaddr=$(get_macaddr $SOCKSRC shmif0) 771 export RUMP_SERVER=$SOCKDST 772 atf_check -s exit:0 -o ignore rump.ndp -s $IP6SRC $macaddr 773 774 export RUMP_SERVER=$SOCKSRC 775 776 # 777 # Reachability confirmation (RFC 4861 7.3.3) 778 # 779 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 780 781 # Receiving a solicited NA packet changes the state of the cache to REACHABLE 782 check_cache_state $IP6DST R 783 784 # The state of the cache transits to STALE after a while 785 wait_until_stalled $IP6DST 786 787 # Sending a packet on the cache will run a reachability confirmation 788 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 789 790 sleep 1 791 792 # The state of the cache is changed to DELAY and stay for 5s, then 793 # send a NS packet and change the state to PROBE 794 check_cache_state $IP6DST D 795 796 sleep $((5 + 1)) 797 798 # If the reachability confirmation is success, the state of the cache 799 # is changed to REACHABLE 800 check_cache_state $IP6DST R 801 } 802 803 ndp_cache_state_cleanup() 804 { 805 806 $DEBUG && dump 807 cleanup 808 } 809 810 atf_init_test_cases() 811 { 812 atf_add_test_case ndp_cache_expiration 813 atf_add_test_case ndp_commands 814 atf_add_test_case ndp_cache_overwriting 815 atf_add_test_case ndp_neighborgcthresh 816 atf_add_test_case ndp_link_activation 817 atf_add_test_case ndp_rtm 818 atf_add_test_case ndp_purge_on_route_change 819 atf_add_test_case ndp_purge_on_route_delete 820 atf_add_test_case ndp_purge_on_ifdown 821 atf_add_test_case ndp_stray_entries 822 atf_add_test_case ndp_cache_state 823 } 824
Indexes created Thu Oct 02 07:10:07 GMT 2025