t_ndp.sh revision 1.33
1 # $NetBSD: t_ndp.sh,v 1.33 2019/07/18 04:00:09 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 35 DEBUG=${DEBUG:-false} 36 TIMEOUT=1 37 38 atf_test_case ndp_cache_expiration cleanup 39 atf_test_case ndp_commands cleanup 40 atf_test_case ndp_cache_overwriting cleanup 41 atf_test_case ndp_neighborgcthresh cleanup 42 atf_test_case ndp_link_activation cleanup 43 44 ndp_cache_expiration_head() 45 { 46 atf_set "descr" "Tests for NDP cache expiration" 47 atf_set "require.progs" "rump_server" 48 } 49 50 ndp_commands_head() 51 { 52 atf_set "descr" "Tests for commands of ndp(8)" 53 atf_set "require.progs" "rump_server" 54 } 55 56 ndp_cache_overwriting_head() 57 { 58 atf_set "descr" "Tests for behavior of overwriting NDP caches" 59 atf_set "require.progs" "rump_server" 60 } 61 62 ndp_neighborgcthresh_head() 63 { 64 atf_set "descr" "Tests for GC of neighbor caches" 65 atf_set "require.progs" "rump_server" 66 } 67 68 ndp_link_activation_head() 69 { 70 atf_set "descr" "Tests for activating a new MAC address" 71 atf_set "require.progs" "rump_server" 72 } 73 74 setup_dst_server() 75 { 76 local assign_ip=$1 77 78 rump_server_add_iface $SOCKDST shmif0 bus1 79 export RUMP_SERVER=$SOCKDST 80 if [ "$assign_ip" != no ]; then 81 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6DST 82 fi 83 atf_check -s exit:0 rump.ifconfig shmif0 up 84 atf_check -s exit:0 rump.ifconfig -w 10 85 86 $DEBUG && rump.ifconfig shmif0 87 $DEBUG && rump.ndp -n -a 88 } 89 90 setup_src_server() 91 { 92 $DEBUG && ulimit -c unlimited 93 export RUMP_SERVER=$SOCKSRC 94 95 # Setup an interface 96 rump_server_add_iface $SOCKSRC shmif0 bus1 97 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6SRC 98 atf_check -s exit:0 rump.ifconfig shmif0 up 99 atf_check -s exit:0 rump.ifconfig -w 10 100 101 # Sanity check 102 $DEBUG && rump.ifconfig shmif0 103 $DEBUG && rump.ndp -n -a 104 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6SRC 105 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 106 } 107 108 get_timeout() 109 { 110 local timeout=$(env RUMP_SERVER=$SOCKSRC rump.ndp -n $IP6DST |grep $IP6DST|awk '{print $4;}') 111 timeout=${timeout%s} 112 echo $timeout 113 } 114 115 ndp_cache_expiration_body() 116 { 117 118 rump_server_start $SOCKSRC netinet6 119 rump_server_start $SOCKDST netinet6 120 121 setup_dst_server 122 setup_src_server 123 124 export RUMP_SERVER=$SOCKSRC 125 126 # Shorten the expire time of cache entries 127 atf_check -s exit:0 -o match:'basereachable=7s0ms' \ 128 rump.ndp -i shmif0 basereachable=7000 129 130 # 131 # Check if a cache is expired expectedly 132 # 133 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 134 135 $DEBUG && rump.ndp -n -a 136 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6SRC 137 # Should be cached 138 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 139 140 timeout=$(get_timeout $IP6DST) 141 142 atf_check -s exit:0 sleep $(($timeout + 1)) 143 144 $DEBUG && rump.ndp -n -a 145 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6SRC 146 # Expired but remains until GC sweaps it (1 day) 147 atf_check -s exit:0 -o match:"$ONEDAYISH" rump.ndp -n $IP6DST 148 149 rump_server_destroy_ifaces 150 } 151 152 ifdown_dst_server() 153 { 154 export RUMP_SERVER=$SOCKDST 155 atf_check -s exit:0 rump.ifconfig shmif0 down 156 export RUMP_SERVER=$SOCKSRC 157 } 158 159 ndp_commands_body() 160 { 161 162 rump_server_start $SOCKSRC netinet6 163 rump_server_start $SOCKDST netinet6 164 165 setup_dst_server 166 setup_src_server 167 168 export RUMP_SERVER=$SOCKSRC 169 170 # Add and delete a static entry 171 $DEBUG && rump.ndp -n -a 172 atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 173 $DEBUG && rump.ndp -n -a 174 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::10 175 check_route fc00::10 'b2:a0:20:00:00:10' UHLS shmif0 176 atf_check -s exit:0 -o match:'deleted' rump.ndp -d fc00::10 177 $DEBUG && rump.ndp -n -a 178 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n fc00::10 179 check_route_no_entry fc00::10 180 181 # Add multiple entries via a file (XXX not implemented) 182 #cat - > ./list <<-EOF 183 #fc00::11 b2:a0:20:00:00:11 184 #fc00::12 b2:a0:20:00:00:12 185 #fc00::13 b2:a0:20:00:00:13 186 #fc00::14 b2:a0:20:00:00:14 187 #fc00::15 b2:a0:20:00:00:15 188 #EOF 189 #$DEBUG && rump.ndp -n -a 190 #atf_check -s exit:0 -o ignore rump.ndp -f ./list 191 #$DEBUG && rump.ndp -n -a 192 193 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 194 atf_check -s exit:0 -o ignore rump.ndp -s fc00::11 b2:a0:20:00:00:11 195 atf_check -s exit:0 -o ignore rump.ndp -s fc00::12 b2:a0:20:00:00:12 196 197 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 198 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::11 199 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::12 200 check_route_flags $IP6DST UHL 201 check_route_flags fc00::11 UHLS 202 check_route_flags fc00::12 UHLS 203 204 # Test ndp -a 205 atf_check -s exit:0 -o match:'fc00::11' rump.ndp -n -a 206 atf_check -s exit:0 -o match:'fc00::12' rump.ndp -n -a 207 208 # Ensure no packet upsets the src server 209 ifdown_dst_server 210 211 # Flush all entries (-c) 212 $DEBUG && rump.ndp -n -a 213 atf_check -s exit:0 -o ignore rump.ndp -c 214 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6SRC 215 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST 216 #check_route_no_entry $IP6SRC 217 check_route_no_entry $IP6DST 218 # Only the static caches are not deleted 219 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::11 220 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::12 221 check_route_flags fc00::11 UHLS 222 check_route_flags fc00::12 UHLS 223 224 $DEBUG && rump.ndp -n -a 225 atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 226 rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 227 $DEBUG && rump.ndp -n -a 228 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 229 check_route fc00::10 'b2:a0:20:00:00:10' UHL shmif0 230 231 rump_server_destroy_ifaces 232 } 233 234 ndp_cache_overwriting_body() 235 { 236 237 rump_server_start $SOCKSRC netinet6 238 rump_server_start $SOCKDST netinet6 239 240 setup_dst_server 241 setup_src_server 242 243 export RUMP_SERVER=$SOCKSRC 244 245 # Cannot overwrite a permanent cache 246 atf_check -s exit:0 rump.ndp -s $IP6SRC b2:a0:20:00:00:ff 247 $DEBUG && rump.ndp -n -a 248 atf_check -s not-exit:0 -e ignore rump.ndp -s $IP6SRC b2:a0:20:00:00:fe 249 250 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 251 $DEBUG && rump.ndp -n -a 252 # Can overwrite a dynamic cache 253 atf_check -s exit:0 -o ignore rump.ndp -s $IP6DST b2:a0:20:00:00:00 254 $DEBUG && rump.ndp -n -a 255 atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6DST 256 257 # Test temp option (XXX it doesn't work; expire time isn't set) 258 #atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 259 #$DEBUG && rump.ndp -n -a 260 #atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 261 # Cannot overwrite a temp cache 262 #atf_check -s not-exit:0 -e ignore rump.ndp -s fc00::10 b2:a0:20:00:00:ff 263 #$DEBUG && rump.ndp -n -a 264 265 rump_server_destroy_ifaces 266 } 267 268 get_n_caches() 269 { 270 271 echo $(rump.ndp -a -n |grep -v -e Neighbor -e permanent |wc -l) 272 } 273 274 ndp_neighborgcthresh_body() 275 { 276 277 rump_server_start $SOCKSRC netinet6 278 rump_server_start $SOCKDST netinet6 279 280 setup_dst_server no 281 setup_src_server 282 283 export RUMP_SERVER=$SOCKDST 284 for i in $(seq 0 9); do 285 atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6DST}$i 286 done 287 288 export RUMP_SERVER=$SOCKSRC 289 290 # ping to 3 destinations 291 $DEBUG && rump.ndp -n -a 292 for i in $(seq 0 2); do 293 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 294 ${IP6DST}$i 295 done 296 $DEBUG && rump.ndp -n -a 297 298 # 3 caches should be created 299 atf_check_equal $(get_n_caches) 3 300 301 # ping to additional 3 destinations 302 for i in $(seq 3 5); 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 # 6 caches should be created in total 309 atf_check_equal $(get_n_caches) 6 310 311 # Limit the number of neighbor caches to 5 312 atf_check -s exit:0 -o ignore rump.sysctl -w \ 313 net.inet6.ip6.neighborgcthresh=5 314 315 # ping to additional 4 destinations 316 for i in $(seq 6 9); do 317 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 318 ${IP6DST}$i 319 done 320 321 # More than 5 caches should be created in total, but exceeded caches 322 # should be GC-ed 323 if [ "$(get_n_caches)" -gt 5 ]; then 324 atf_fail "Neighbor caches are not GC-ed" 325 fi 326 327 rump_server_destroy_ifaces 328 } 329 330 make_pkt_str_na() 331 { 332 local ip=$1 333 local mac=$2 334 local pkt= 335 pkt="$mac > 33:33:00:00:00:01, ethertype IPv6 (0x86dd), length 86:" 336 pkt="$pkt $ip > ff02::1: ICMP6, neighbor advertisement" 337 echo $pkt 338 } 339 340 ndp_link_activation_body() 341 { 342 local linklocal= 343 344 rump_server_start $SOCKSRC netinet6 345 rump_server_start $SOCKDST netinet6 346 347 setup_dst_server 348 setup_src_server 349 350 # flush old packets 351 extract_new_packets bus1 > ./out 352 353 export RUMP_SERVER=$SOCKSRC 354 355 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 356 b2:a1:00:00:00:01 357 358 atf_check -s exit:0 sleep 1 359 extract_new_packets bus1 > ./out 360 $DEBUG && cat ./out 361 362 linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}') 363 $DEBUG && echo $linklocal 364 365 pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:01) 366 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 367 368 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 369 b2:a1:00:00:00:02 active 370 371 atf_check -s exit:0 sleep 1 372 extract_new_packets bus1 > ./out 373 $DEBUG && cat ./out 374 375 linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}') 376 $DEBUG && echo $linklocal 377 378 pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:02) 379 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 380 381 rump_server_destroy_ifaces 382 } 383 384 ndp_cache_expiration_cleanup() 385 { 386 $DEBUG && dump 387 cleanup 388 } 389 390 ndp_commands_cleanup() 391 { 392 $DEBUG && dump 393 cleanup 394 } 395 396 ndp_cache_overwriting_cleanup() 397 { 398 $DEBUG && dump 399 cleanup 400 } 401 402 ndp_neighborgcthresh_cleanup() 403 { 404 $DEBUG && dump 405 cleanup 406 } 407 408 ndp_link_activation_cleanup() 409 { 410 $DEBUG && dump 411 cleanup 412 } 413 414 atf_test_case ndp_rtm cleanup 415 ndp_rtm_head() 416 { 417 418 atf_set "descr" "Tests for routing messages on operations of NDP entries" 419 atf_set "require.progs" "rump_server" 420 } 421 422 ndp_rtm_body() 423 { 424 local macaddr_src= macaddr_dst= 425 local file=./tmp 426 local pid= hdr= what= addr= 427 428 rump_server_start $SOCKSRC netinet6 429 rump_server_start $SOCKDST netinet6 430 431 setup_dst_server 432 setup_src_server 433 434 macaddr_src=$(get_macaddr $SOCKSRC shmif0) 435 macaddr_dst=$(get_macaddr $SOCKDST shmif0) 436 437 export RUMP_SERVER=$SOCKSRC 438 439 # Test ping and a resulting routing message (RTM_ADD) 440 rump.route -n monitor -c 1 > $file & 441 pid=$! 442 sleep 1 443 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 444 wait $pid 445 $DEBUG && cat $file 446 447 hdr="RTM_ADD.+<UP,HOST,DONE,LLINFO,CLONED>" 448 what="<DST,GATEWAY>" 449 addr="$IP6DST link#2" 450 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \ 451 cat $file 452 453 # Test ndp -d and resulting routing messages (RTM_DELETE) 454 rump.route -n monitor -c 1 > $file & 455 pid=$! 456 sleep 1 457 atf_check -s exit:0 -o ignore rump.ndp -d $IP6DST 458 wait $pid 459 $DEBUG && cat $file 460 461 hdr="RTM_DELETE.+<HOST,DONE,LLINFO,CLONED>" 462 what="<DST,GATEWAY>" 463 addr="$IP6DST $macaddr_dst" 464 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \ 465 grep -A 3 RTM_DELETE $file 466 467 rump_server_destroy_ifaces 468 } 469 470 ndp_rtm_cleanup() 471 { 472 473 $DEBUG && dump 474 cleanup 475 } 476 477 atf_test_case ndp_purge_on_route_change cleanup 478 ndp_purge_on_route_change_head() 479 { 480 481 atf_set "descr" "Tests if NDP entries are removed on route change" 482 atf_set "require.progs" "rump_server" 483 } 484 485 ndp_purge_on_route_change_body() 486 { 487 488 rump_server_start $SOCKSRC netinet6 489 rump_server_start $SOCKDST netinet6 490 491 setup_dst_server 492 setup_src_server 493 494 rump_server_add_iface $SOCKSRC shmif1 bus1 495 export RUMP_SERVER=$SOCKSRC 496 atf_check -s exit:0 rump.ifconfig shmif1 inet6 fc00:1::1 497 atf_check -s exit:0 rump.ifconfig -w 10 498 499 $DEBUG && rump.netstat -nr -f inet6 500 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 501 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 502 503 atf_check -s exit:0 -o ignore \ 504 rump.route change -inet6 -net $IP6NET/64 -ifp shmif1 505 $DEBUG && rump.netstat -nr -f inet6 506 $DEBUG && rump.ndp -na 507 # The entry was already removed on route change 508 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 509 rump.ndp -n $IP6DST 510 511 rump_server_destroy_ifaces 512 } 513 514 ndp_purge_on_route_change_cleanup() 515 { 516 517 $DEBUG && dump 518 cleanup 519 } 520 521 atf_test_case ndp_purge_on_route_delete cleanup 522 ndp_purge_on_route_delete_head() 523 { 524 525 atf_set "descr" "Tests if NDP entries are removed on route delete" 526 atf_set "require.progs" "rump_server" 527 } 528 529 ndp_purge_on_route_delete_body() 530 { 531 532 rump_server_start $SOCKSRC netinet6 533 rump_server_start $SOCKDST netinet6 534 535 setup_dst_server 536 setup_src_server 537 538 $DEBUG && rump.netstat -nr -f inet6 539 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 540 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 541 542 atf_check -s exit:0 -o ignore rump.route delete -inet6 -net $IP6NET/64 543 $DEBUG && rump.netstat -nr -f inet6 544 $DEBUG && rump.ndp -na 545 546 # The entry was already removed on route delete 547 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 548 rump.ndp -n $IP6DST 549 550 rump_server_destroy_ifaces 551 } 552 553 ndp_purge_on_route_delete_cleanup() 554 { 555 556 $DEBUG && dump 557 cleanup 558 } 559 560 atf_test_case ndp_purge_on_ifdown cleanup 561 ndp_purge_on_ifdown_head() 562 { 563 564 atf_set "descr" "Tests if NDP entries are removed on interface down" 565 atf_set "require.progs" "rump_server" 566 } 567 568 ndp_purge_on_ifdown_body() 569 { 570 571 rump_server_start $SOCKSRC netinet6 572 rump_server_start $SOCKDST netinet6 573 574 setup_dst_server 575 setup_src_server 576 577 $DEBUG && rump.netstat -nr -f inet6 578 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 579 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 580 581 # Shutdown the interface 582 atf_check -s exit:0 rump.ifconfig shmif0 down 583 $DEBUG && rump.netstat -nr -f inet6 584 $DEBUG && rump.ndp -na 585 586 # The entry was already removed on ifconfig down 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_ifdown_cleanup() 594 { 595 596 $DEBUG && dump 597 cleanup 598 } 599 600 atf_test_case ndp_stray_entries cleanup 601 ndp_stray_entries_head() 602 { 603 604 atf_set "descr" "Tests if NDP entries are removed on route change" 605 atf_set "require.progs" "rump_server" 606 } 607 608 ndp_stray_entries_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 rump_server_add_iface $SOCKSRC shmif1 bus1 618 619 export RUMP_SERVER=$SOCKSRC 620 atf_check -s exit:0 rump.ifconfig shmif1 inet6 $IP6SRC2/64 621 atf_check -s exit:0 rump.ifconfig -w 10 622 623 $DEBUG && rump.netstat -nr -f inet6 624 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 625 $DEBUG && rump.ndp -na 626 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 627 atf_check -s exit:0 -o not-match:'shmif1' rump.ndp -n $IP6DST 628 629 # Clean up 630 atf_check -s exit:0 -o ignore rump.ndp -c 631 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 632 633 # ping from a different source address 634 atf_check -s exit:0 -o ignore \ 635 rump.ping6 -n -X 1 -c 1 -S $IP6SRC2 $IP6DST 636 $DEBUG && rump.ndp -na 637 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 638 # ARP reply goes back via shmif1, so a cache is created on shmif1 639 atf_check -s exit:0 -o match:'shmif1' rump.ndp -n $IP6DST 640 641 # Clean up by ndp -c 642 atf_check -s exit:0 -o ignore rump.ndp -c 643 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 644 645 # ping from a different source address again 646 atf_check -s exit:0 -o ignore \ 647 rump.ping6 -n -X 1 -c 1 -S $IP6SRC2 $IP6DST 648 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 649 # ARP reply doen't come 650 atf_check -s exit:0 -o not-match:'shmif1' rump.ndp -n $IP6DST 651 652 # Cleanup caches on the destination 653 export RUMP_SERVER=$SOCKDST 654 $DEBUG && rump.ndp -na 655 atf_check -s exit:0 -o ignore rump.ndp -c 656 $DEBUG && rump.ndp -na 657 export RUMP_SERVER=$SOCKSRC 658 659 # ping from a different source address again 660 atf_check -s exit:0 -o ignore \ 661 rump.ping6 -n -X 1 -c 1 -S $IP6SRC2 $IP6DST 662 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 663 # ARP reply goes back via shmif1 664 atf_check -s exit:0 -o match:'shmif1' rump.ndp -n $IP6DST 665 666 # Clean up by ndp -d <ip> 667 atf_check -s exit:0 -o ignore rump.ndp -d $IP6DST 668 # Both entries should be deleted 669 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 670 671 rump_server_destroy_ifaces 672 } 673 674 ndp_stray_entries_cleanup() 675 { 676 677 $DEBUG && dump 678 cleanup 679 } 680 681 atf_test_case ndp_cache_state cleanup 682 ndp_stray_entries_head() 683 { 684 685 atf_set "descr" "Tests states of neighbor cache entries" 686 atf_set "require.progs" "rump_server" 687 } 688 689 check_cache_state() 690 { 691 local dst=$1 692 local state=$2 693 694 $DEBUG && rump.ndp -n $dst 695 atf_check -s exit:0 -o match:"^$dst.*$state " rump.ndp -n $dst 696 } 697 698 wait_until_stalled() 699 { 700 local dst=$1 701 local state=$2 702 703 $DEBUG && rump.ndp -n $dst 704 while true; do 705 rump.ndp -n $dst | grep -q "^$dst.*S " && break 706 sleep 1 707 done 708 $DEBUG && rump.ndp -n $dst 709 } 710 711 ndp_cache_state_body() 712 { 713 714 rump_server_start $SOCKSRC netinet6 715 rump_server_start $SOCKDST netinet6 716 717 setup_dst_server 718 setup_src_server 719 720 export RUMP_SERVER=$SOCKSRC 721 722 # Shorten the expire time of cache entries 723 atf_check -s exit:0 -o match:'basereachable=7s0ms' \ 724 rump.ndp -i shmif0 basereachable=7000 725 726 # 727 # Reachability confirmation (RFC 4861 7.3.3) 728 # 729 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 730 731 # Receiving a solicited NA packet changes the state of the cache to REACHABLE 732 check_cache_state $IP6DST R 733 734 # The state of the cache transits to STALE after a while 735 wait_until_stalled $IP6DST 736 737 # Sending a packet on the cache will run a reachability confirmation 738 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 739 740 sleep 1 741 742 # The state of the cache is changed to DELAY and stay for 5s, then 743 # send a NS packet and change the state to PROBE 744 check_cache_state $IP6DST D 745 746 sleep $((5 + 1)) 747 748 # If the reachability confirmation is success, the state of the cache 749 # is changed to REACHABLE 750 check_cache_state $IP6DST R 751 } 752 753 ndp_cache_state_cleanup() 754 { 755 756 $DEBUG && dump 757 cleanup 758 } 759 760 atf_init_test_cases() 761 { 762 atf_add_test_case ndp_cache_expiration 763 atf_add_test_case ndp_commands 764 atf_add_test_case ndp_cache_overwriting 765 atf_add_test_case ndp_neighborgcthresh 766 atf_add_test_case ndp_link_activation 767 atf_add_test_case ndp_rtm 768 atf_add_test_case ndp_purge_on_route_change 769 atf_add_test_case ndp_purge_on_route_delete 770 atf_add_test_case ndp_purge_on_ifdown 771 atf_add_test_case ndp_stray_entries 772 atf_add_test_case ndp_cache_state 773 } 774
Indexes created Thu Oct 02 14:10:14 GMT 2025