t_ndp.sh revision 1.36
1 # $NetBSD: t_ndp.sh,v 1.36 2019/09/03 19:07:50 roy 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 $file 456 457 hdr="RTM_ADD.+<UP,HOST,DONE,LLINFO,CLONED>" 458 what="<DST,GATEWAY>" 459 addr="$IP6DST $macaddr_dst" 460 atf_check -s exit:0 -o match:"$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 # nd6_mmaxtries = 3, second between each try 468 atf_check -s exit:1 -o ignore -e ignore \ 469 rump.ping6 -n -X 3 -c 3 $IP6DST_FAIL1 470 wait $pid 471 $DEBUG && cat $file 472 473 hdr="RTM_MISS.+<DONE>" 474 what="<DST,GATEWAY>" 475 addr="$IP6DST_FAIL1 link#2" 476 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \ 477 cat $file 478 479 # Test ping and a resulting routing message (RTM_MISS) off subnet 480 rump.route -n monitor -c 1 > $file & 481 pid=$! 482 sleep 1 483 atf_check -s exit:1 -o ignore -e ignore \ 484 rump.ping6 -n -X 1 -c 1 $IP6DST_FAIL2 485 wait $pid 486 $DEBUG && cat $file 487 488 hdr="RTM_MISS.+<DONE>" 489 what="<DST>" 490 addr="$IP6DST_FAIL2" 491 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \ 492 cat $file 493 494 # Test ndp -d and resulting routing messages (RTM_DELETE) 495 rump.route -n monitor -c 1 > $file & 496 pid=$! 497 sleep 1 498 atf_check -s exit:0 -o ignore rump.ndp -d $IP6DST 499 wait $pid 500 $DEBUG && cat $file 501 502 hdr="RTM_DELETE.+<HOST,DONE,LLINFO,CLONED>" 503 what="<DST,GATEWAY>" 504 addr="$IP6DST $macaddr_dst" 505 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \ 506 grep -A 3 RTM_DELETE $file 507 508 rump_server_destroy_ifaces 509 } 510 511 ndp_rtm_cleanup() 512 { 513 514 $DEBUG && dump 515 cleanup 516 } 517 518 atf_test_case ndp_purge_on_route_change cleanup 519 ndp_purge_on_route_change_head() 520 { 521 522 atf_set "descr" "Tests if NDP entries are removed on route change" 523 atf_set "require.progs" "rump_server" 524 } 525 526 ndp_purge_on_route_change_body() 527 { 528 529 rump_server_start $SOCKSRC netinet6 530 rump_server_start $SOCKDST netinet6 531 532 setup_dst_server 533 setup_src_server 534 535 rump_server_add_iface $SOCKSRC shmif1 bus1 536 export RUMP_SERVER=$SOCKSRC 537 atf_check -s exit:0 rump.ifconfig shmif1 inet6 fc00:1::1 538 atf_check -s exit:0 rump.ifconfig -w 10 539 540 $DEBUG && rump.netstat -nr -f inet6 541 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 542 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 543 544 atf_check -s exit:0 -o ignore \ 545 rump.route change -inet6 -net $IP6NET/64 -ifp shmif1 546 $DEBUG && rump.netstat -nr -f inet6 547 $DEBUG && rump.ndp -na 548 # The entry was already removed on route change 549 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 550 rump.ndp -n $IP6DST 551 552 rump_server_destroy_ifaces 553 } 554 555 ndp_purge_on_route_change_cleanup() 556 { 557 558 $DEBUG && dump 559 cleanup 560 } 561 562 atf_test_case ndp_purge_on_route_delete cleanup 563 ndp_purge_on_route_delete_head() 564 { 565 566 atf_set "descr" "Tests if NDP entries are removed on route delete" 567 atf_set "require.progs" "rump_server" 568 } 569 570 ndp_purge_on_route_delete_body() 571 { 572 573 rump_server_start $SOCKSRC netinet6 574 rump_server_start $SOCKDST netinet6 575 576 setup_dst_server 577 setup_src_server 578 579 $DEBUG && rump.netstat -nr -f inet6 580 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 581 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 582 583 atf_check -s exit:0 -o ignore rump.route delete -inet6 -net $IP6NET/64 584 $DEBUG && rump.netstat -nr -f inet6 585 $DEBUG && rump.ndp -na 586 587 # The entry was already removed on route delete 588 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 589 rump.ndp -n $IP6DST 590 591 rump_server_destroy_ifaces 592 } 593 594 ndp_purge_on_route_delete_cleanup() 595 { 596 597 $DEBUG && dump 598 cleanup 599 } 600 601 atf_test_case ndp_purge_on_ifdown cleanup 602 ndp_purge_on_ifdown_head() 603 { 604 605 atf_set "descr" "Tests if NDP entries are removed on interface down" 606 atf_set "require.progs" "rump_server" 607 } 608 609 ndp_purge_on_ifdown_body() 610 { 611 612 rump_server_start $SOCKSRC netinet6 613 rump_server_start $SOCKDST netinet6 614 615 setup_dst_server 616 setup_src_server 617 618 $DEBUG && rump.netstat -nr -f inet6 619 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 620 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 621 622 # Shutdown the interface 623 atf_check -s exit:0 rump.ifconfig shmif0 down 624 $DEBUG && rump.netstat -nr -f inet6 625 $DEBUG && rump.ndp -na 626 627 # The entry was already removed on ifconfig down 628 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 629 rump.ndp -n $IP6DST 630 631 rump_server_destroy_ifaces 632 } 633 634 ndp_purge_on_ifdown_cleanup() 635 { 636 637 $DEBUG && dump 638 cleanup 639 } 640 641 atf_test_case ndp_stray_entries cleanup 642 ndp_stray_entries_head() 643 { 644 645 atf_set "descr" "Tests if NDP entries are removed on route change" 646 atf_set "require.progs" "rump_server" 647 } 648 649 ndp_stray_entries_body() 650 { 651 652 rump_server_start $SOCKSRC netinet6 653 rump_server_start $SOCKDST netinet6 654 655 setup_dst_server 656 setup_src_server 657 658 rump_server_add_iface $SOCKSRC shmif1 bus1 659 660 export RUMP_SERVER=$SOCKSRC 661 atf_check -s exit:0 rump.ifconfig shmif1 inet6 $IP6SRC2/64 662 atf_check -s exit:0 rump.ifconfig -w 10 663 664 $DEBUG && rump.netstat -nr -f inet6 665 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 666 $DEBUG && rump.ndp -na 667 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 668 atf_check -s exit:0 -o not-match:'shmif1' rump.ndp -n $IP6DST 669 670 # Clean up 671 atf_check -s exit:0 -o ignore rump.ndp -c 672 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 673 674 # ping from a different source address 675 atf_check -s exit:0 -o ignore \ 676 rump.ping6 -n -X 1 -c 1 -S $IP6SRC2 $IP6DST 677 $DEBUG && rump.ndp -na 678 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 679 # ARP reply goes back via shmif1, so a cache is created on shmif1 680 atf_check -s exit:0 -o match:'shmif1' rump.ndp -n $IP6DST 681 682 # Clean up by ndp -c 683 atf_check -s exit:0 -o ignore rump.ndp -c 684 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 685 686 # ping from a different source address again 687 atf_check -s exit:0 -o ignore \ 688 rump.ping6 -n -X 1 -c 1 -S $IP6SRC2 $IP6DST 689 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 690 # ARP reply doen't come 691 atf_check -s exit:0 -o not-match:'shmif1' rump.ndp -n $IP6DST 692 693 # Cleanup caches on the destination 694 export RUMP_SERVER=$SOCKDST 695 $DEBUG && rump.ndp -na 696 atf_check -s exit:0 -o ignore rump.ndp -c 697 $DEBUG && rump.ndp -na 698 export RUMP_SERVER=$SOCKSRC 699 700 # ping from a different source address again 701 atf_check -s exit:0 -o ignore \ 702 rump.ping6 -n -X 1 -c 1 -S $IP6SRC2 $IP6DST 703 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 704 # ARP reply goes back via shmif1 705 atf_check -s exit:0 -o match:'shmif1' rump.ndp -n $IP6DST 706 707 # Clean up by ndp -d <ip> 708 atf_check -s exit:0 -o ignore rump.ndp -d $IP6DST 709 # Both entries should be deleted 710 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 711 712 rump_server_destroy_ifaces 713 } 714 715 ndp_stray_entries_cleanup() 716 { 717 718 $DEBUG && dump 719 cleanup 720 } 721 722 atf_test_case ndp_cache_state cleanup 723 ndp_cache_state_head() 724 { 725 726 atf_set "descr" "Tests states of neighbor cache entries" 727 atf_set "require.progs" "rump_server" 728 } 729 730 check_cache_state() 731 { 732 local dst=$1 733 local state=$2 734 735 $DEBUG && rump.ndp -n $dst 736 atf_check -s exit:0 -o match:"^$dst.*$state " rump.ndp -n $dst 737 } 738 739 wait_until_stalled() 740 { 741 local dst=$1 742 local state=$2 743 744 $DEBUG && rump.ndp -n $dst 745 while true; do 746 rump.ndp -n $dst | grep -q "^$dst.*S " && break 747 sleep 1 748 done 749 $DEBUG && rump.ndp -n $dst 750 } 751 752 ndp_cache_state_body() 753 { 754 local macaddr= 755 756 rump_server_start $SOCKSRC netinet6 757 rump_server_start $SOCKDST netinet6 758 759 setup_dst_server 760 setup_src_server 761 762 # Shorten the expire time of cache entries 763 export RUMP_SERVER=$SOCKSRC 764 atf_check -s exit:0 -o match:'basereachable=7s0ms' \ 765 rump.ndp -i shmif0 basereachable=7000 766 767 # Make a permanent cache entry to avoid sending an NS packet disturbing 768 # the test 769 macaddr=$(get_macaddr $SOCKSRC shmif0) 770 export RUMP_SERVER=$SOCKDST 771 atf_check -s exit:0 -o ignore rump.ndp -s $IP6SRC $macaddr 772 773 export RUMP_SERVER=$SOCKSRC 774 775 # 776 # Reachability confirmation (RFC 4861 7.3.3) 777 # 778 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 779 780 # Receiving a solicited NA packet changes the state of the cache to REACHABLE 781 check_cache_state $IP6DST R 782 783 # The state of the cache transits to STALE after a while 784 wait_until_stalled $IP6DST 785 786 # Sending a packet on the cache will run a reachability confirmation 787 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 788 789 sleep 1 790 791 # The state of the cache is changed to DELAY and stay for 5s, then 792 # send a NS packet and change the state to PROBE 793 check_cache_state $IP6DST D 794 795 sleep $((5 + 1)) 796 797 # If the reachability confirmation is success, the state of the cache 798 # is changed to REACHABLE 799 check_cache_state $IP6DST R 800 } 801 802 ndp_cache_state_cleanup() 803 { 804 805 $DEBUG && dump 806 cleanup 807 } 808 809 atf_init_test_cases() 810 { 811 atf_add_test_case ndp_cache_expiration 812 atf_add_test_case ndp_commands 813 atf_add_test_case ndp_cache_overwriting 814 atf_add_test_case ndp_neighborgcthresh 815 atf_add_test_case ndp_link_activation 816 atf_add_test_case ndp_rtm 817 atf_add_test_case ndp_purge_on_route_change 818 atf_add_test_case ndp_purge_on_route_delete 819 atf_add_test_case ndp_purge_on_ifdown 820 atf_add_test_case ndp_stray_entries 821 atf_add_test_case ndp_cache_state 822 } 823
Indexes created Thu Oct 02 10:09:58 GMT 2025