t_ndp.sh revision 1.34
1 # $NetBSD: t_ndp.sh,v 1.34 2019/08/13 07:20:43 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 local macaddr= 118 119 rump_server_start $SOCKSRC netinet6 120 rump_server_start $SOCKDST netinet6 121 122 setup_dst_server 123 setup_src_server 124 125 # Shorten the expire time of cache entries 126 export RUMP_SERVER=$SOCKSRC 127 atf_check -s exit:0 -o match:'basereachable=7s0ms' \ 128 rump.ndp -i shmif0 basereachable=7000 129 130 # Make a permanent cache entry to avoid sending an NS packet disturbing 131 # the test 132 macaddr=$(get_macaddr $SOCKSRC shmif0) 133 export RUMP_SERVER=$SOCKDST 134 atf_check -s exit:0 -o ignore rump.ndp -s $IP6SRC $macaddr 135 136 export RUMP_SERVER=$SOCKSRC 137 138 # 139 # Check if a cache is expired expectedly 140 # 141 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 142 143 $DEBUG && rump.ndp -n -a 144 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6SRC 145 # Should be cached 146 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 147 148 timeout=$(get_timeout $IP6DST) 149 150 atf_check -s exit:0 sleep $(($timeout + 1)) 151 152 $DEBUG && rump.ndp -n -a 153 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6SRC 154 # Expired but remains until GC sweaps it (1 day) 155 atf_check -s exit:0 -o match:"$ONEDAYISH" rump.ndp -n $IP6DST 156 157 rump_server_destroy_ifaces 158 } 159 160 ifdown_dst_server() 161 { 162 export RUMP_SERVER=$SOCKDST 163 atf_check -s exit:0 rump.ifconfig shmif0 down 164 export RUMP_SERVER=$SOCKSRC 165 } 166 167 ndp_commands_body() 168 { 169 170 rump_server_start $SOCKSRC netinet6 171 rump_server_start $SOCKDST netinet6 172 173 setup_dst_server 174 setup_src_server 175 176 export RUMP_SERVER=$SOCKSRC 177 178 # Add and delete a static entry 179 $DEBUG && rump.ndp -n -a 180 atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 181 $DEBUG && rump.ndp -n -a 182 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::10 183 check_route fc00::10 'b2:a0:20:00:00:10' UHLS shmif0 184 atf_check -s exit:0 -o match:'deleted' rump.ndp -d fc00::10 185 $DEBUG && rump.ndp -n -a 186 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n fc00::10 187 check_route_no_entry fc00::10 188 189 # Add multiple entries via a file (XXX not implemented) 190 #cat - > ./list <<-EOF 191 #fc00::11 b2:a0:20:00:00:11 192 #fc00::12 b2:a0:20:00:00:12 193 #fc00::13 b2:a0:20:00:00:13 194 #fc00::14 b2:a0:20:00:00:14 195 #fc00::15 b2:a0:20:00:00:15 196 #EOF 197 #$DEBUG && rump.ndp -n -a 198 #atf_check -s exit:0 -o ignore rump.ndp -f ./list 199 #$DEBUG && rump.ndp -n -a 200 201 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 202 atf_check -s exit:0 -o ignore rump.ndp -s fc00::11 b2:a0:20:00:00:11 203 atf_check -s exit:0 -o ignore rump.ndp -s fc00::12 b2:a0:20:00:00:12 204 205 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 206 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::11 207 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::12 208 check_route_flags $IP6DST UHL 209 check_route_flags fc00::11 UHLS 210 check_route_flags fc00::12 UHLS 211 212 # Test ndp -a 213 atf_check -s exit:0 -o match:'fc00::11' rump.ndp -n -a 214 atf_check -s exit:0 -o match:'fc00::12' rump.ndp -n -a 215 216 # Ensure no packet upsets the src server 217 ifdown_dst_server 218 219 # Flush all entries (-c) 220 $DEBUG && rump.ndp -n -a 221 atf_check -s exit:0 -o ignore rump.ndp -c 222 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6SRC 223 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST 224 #check_route_no_entry $IP6SRC 225 check_route_no_entry $IP6DST 226 # Only the static caches are not deleted 227 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::11 228 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::12 229 check_route_flags fc00::11 UHLS 230 check_route_flags fc00::12 UHLS 231 232 $DEBUG && rump.ndp -n -a 233 atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 234 rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 235 $DEBUG && rump.ndp -n -a 236 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 237 check_route fc00::10 'b2:a0:20:00:00:10' UHL shmif0 238 239 rump_server_destroy_ifaces 240 } 241 242 ndp_cache_overwriting_body() 243 { 244 245 rump_server_start $SOCKSRC netinet6 246 rump_server_start $SOCKDST netinet6 247 248 setup_dst_server 249 setup_src_server 250 251 export RUMP_SERVER=$SOCKSRC 252 253 # Cannot overwrite a permanent cache 254 atf_check -s exit:0 rump.ndp -s $IP6SRC b2:a0:20:00:00:ff 255 $DEBUG && rump.ndp -n -a 256 atf_check -s not-exit:0 -e ignore rump.ndp -s $IP6SRC b2:a0:20:00:00:fe 257 258 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 259 $DEBUG && rump.ndp -n -a 260 # Can overwrite a dynamic cache 261 atf_check -s exit:0 -o ignore rump.ndp -s $IP6DST b2:a0:20:00:00:00 262 $DEBUG && rump.ndp -n -a 263 atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6DST 264 265 # Test temp option (XXX it doesn't work; expire time isn't set) 266 #atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 267 #$DEBUG && rump.ndp -n -a 268 #atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 269 # Cannot overwrite a temp cache 270 #atf_check -s not-exit:0 -e ignore rump.ndp -s fc00::10 b2:a0:20:00:00:ff 271 #$DEBUG && rump.ndp -n -a 272 273 rump_server_destroy_ifaces 274 } 275 276 get_n_caches() 277 { 278 279 echo $(rump.ndp -a -n |grep -v -e Neighbor -e permanent |wc -l) 280 } 281 282 ndp_neighborgcthresh_body() 283 { 284 285 rump_server_start $SOCKSRC netinet6 286 rump_server_start $SOCKDST netinet6 287 288 setup_dst_server no 289 setup_src_server 290 291 export RUMP_SERVER=$SOCKDST 292 for i in $(seq 0 9); do 293 atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6DST}$i 294 done 295 296 export RUMP_SERVER=$SOCKSRC 297 298 # ping to 3 destinations 299 $DEBUG && rump.ndp -n -a 300 for i in $(seq 0 2); do 301 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 302 ${IP6DST}$i 303 done 304 $DEBUG && rump.ndp -n -a 305 306 # 3 caches should be created 307 atf_check_equal $(get_n_caches) 3 308 309 # ping to additional 3 destinations 310 for i in $(seq 3 5); do 311 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 312 ${IP6DST}$i 313 done 314 $DEBUG && rump.ndp -n -a 315 316 # 6 caches should be created in total 317 atf_check_equal $(get_n_caches) 6 318 319 # Limit the number of neighbor caches to 5 320 atf_check -s exit:0 -o ignore rump.sysctl -w \ 321 net.inet6.ip6.neighborgcthresh=5 322 323 # ping to additional 4 destinations 324 for i in $(seq 6 9); do 325 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 326 ${IP6DST}$i 327 done 328 329 # More than 5 caches should be created in total, but exceeded caches 330 # should be GC-ed 331 if [ "$(get_n_caches)" -gt 5 ]; then 332 atf_fail "Neighbor caches are not GC-ed" 333 fi 334 335 rump_server_destroy_ifaces 336 } 337 338 make_pkt_str_na() 339 { 340 local ip=$1 341 local mac=$2 342 local pkt= 343 pkt="$mac > 33:33:00:00:00:01, ethertype IPv6 (0x86dd), length 86:" 344 pkt="$pkt $ip > ff02::1: ICMP6, neighbor advertisement" 345 echo $pkt 346 } 347 348 ndp_link_activation_body() 349 { 350 local linklocal= 351 352 rump_server_start $SOCKSRC netinet6 353 rump_server_start $SOCKDST netinet6 354 355 setup_dst_server 356 setup_src_server 357 358 # flush old packets 359 extract_new_packets bus1 > ./out 360 361 export RUMP_SERVER=$SOCKSRC 362 363 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 364 b2:a1:00:00:00:01 365 366 atf_check -s exit:0 sleep 1 367 extract_new_packets bus1 > ./out 368 $DEBUG && cat ./out 369 370 linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}') 371 $DEBUG && echo $linklocal 372 373 pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:01) 374 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 375 376 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 377 b2:a1:00:00:00:02 active 378 379 atf_check -s exit:0 sleep 1 380 extract_new_packets bus1 > ./out 381 $DEBUG && cat ./out 382 383 linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}') 384 $DEBUG && echo $linklocal 385 386 pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:02) 387 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 388 389 rump_server_destroy_ifaces 390 } 391 392 ndp_cache_expiration_cleanup() 393 { 394 $DEBUG && dump 395 cleanup 396 } 397 398 ndp_commands_cleanup() 399 { 400 $DEBUG && dump 401 cleanup 402 } 403 404 ndp_cache_overwriting_cleanup() 405 { 406 $DEBUG && dump 407 cleanup 408 } 409 410 ndp_neighborgcthresh_cleanup() 411 { 412 $DEBUG && dump 413 cleanup 414 } 415 416 ndp_link_activation_cleanup() 417 { 418 $DEBUG && dump 419 cleanup 420 } 421 422 atf_test_case ndp_rtm cleanup 423 ndp_rtm_head() 424 { 425 426 atf_set "descr" "Tests for routing messages on operations of NDP entries" 427 atf_set "require.progs" "rump_server" 428 } 429 430 ndp_rtm_body() 431 { 432 local macaddr_src= macaddr_dst= 433 local file=./tmp 434 local pid= hdr= what= addr= 435 436 rump_server_start $SOCKSRC netinet6 437 rump_server_start $SOCKDST netinet6 438 439 setup_dst_server 440 setup_src_server 441 442 macaddr_src=$(get_macaddr $SOCKSRC shmif0) 443 macaddr_dst=$(get_macaddr $SOCKDST shmif0) 444 445 export RUMP_SERVER=$SOCKSRC 446 447 # Test ping and a resulting routing message (RTM_ADD) 448 rump.route -n monitor -c 1 > $file & 449 pid=$! 450 sleep 1 451 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 452 wait $pid 453 $DEBUG && cat $file 454 455 hdr="RTM_ADD.+<UP,HOST,DONE,LLINFO,CLONED>" 456 what="<DST,GATEWAY>" 457 addr="$IP6DST link#2" 458 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \ 459 cat $file 460 461 # Test ndp -d and resulting routing messages (RTM_DELETE) 462 rump.route -n monitor -c 1 > $file & 463 pid=$! 464 sleep 1 465 atf_check -s exit:0 -o ignore rump.ndp -d $IP6DST 466 wait $pid 467 $DEBUG && cat $file 468 469 hdr="RTM_DELETE.+<HOST,DONE,LLINFO,CLONED>" 470 what="<DST,GATEWAY>" 471 addr="$IP6DST $macaddr_dst" 472 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \ 473 grep -A 3 RTM_DELETE $file 474 475 rump_server_destroy_ifaces 476 } 477 478 ndp_rtm_cleanup() 479 { 480 481 $DEBUG && dump 482 cleanup 483 } 484 485 atf_test_case ndp_purge_on_route_change cleanup 486 ndp_purge_on_route_change_head() 487 { 488 489 atf_set "descr" "Tests if NDP entries are removed on route change" 490 atf_set "require.progs" "rump_server" 491 } 492 493 ndp_purge_on_route_change_body() 494 { 495 496 rump_server_start $SOCKSRC netinet6 497 rump_server_start $SOCKDST netinet6 498 499 setup_dst_server 500 setup_src_server 501 502 rump_server_add_iface $SOCKSRC shmif1 bus1 503 export RUMP_SERVER=$SOCKSRC 504 atf_check -s exit:0 rump.ifconfig shmif1 inet6 fc00:1::1 505 atf_check -s exit:0 rump.ifconfig -w 10 506 507 $DEBUG && rump.netstat -nr -f inet6 508 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 509 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 510 511 atf_check -s exit:0 -o ignore \ 512 rump.route change -inet6 -net $IP6NET/64 -ifp shmif1 513 $DEBUG && rump.netstat -nr -f inet6 514 $DEBUG && rump.ndp -na 515 # The entry was already removed on route change 516 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 517 rump.ndp -n $IP6DST 518 519 rump_server_destroy_ifaces 520 } 521 522 ndp_purge_on_route_change_cleanup() 523 { 524 525 $DEBUG && dump 526 cleanup 527 } 528 529 atf_test_case ndp_purge_on_route_delete cleanup 530 ndp_purge_on_route_delete_head() 531 { 532 533 atf_set "descr" "Tests if NDP entries are removed on route delete" 534 atf_set "require.progs" "rump_server" 535 } 536 537 ndp_purge_on_route_delete_body() 538 { 539 540 rump_server_start $SOCKSRC netinet6 541 rump_server_start $SOCKDST netinet6 542 543 setup_dst_server 544 setup_src_server 545 546 $DEBUG && rump.netstat -nr -f inet6 547 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 548 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 549 550 atf_check -s exit:0 -o ignore rump.route delete -inet6 -net $IP6NET/64 551 $DEBUG && rump.netstat -nr -f inet6 552 $DEBUG && rump.ndp -na 553 554 # The entry was already removed on route delete 555 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 556 rump.ndp -n $IP6DST 557 558 rump_server_destroy_ifaces 559 } 560 561 ndp_purge_on_route_delete_cleanup() 562 { 563 564 $DEBUG && dump 565 cleanup 566 } 567 568 atf_test_case ndp_purge_on_ifdown cleanup 569 ndp_purge_on_ifdown_head() 570 { 571 572 atf_set "descr" "Tests if NDP entries are removed on interface down" 573 atf_set "require.progs" "rump_server" 574 } 575 576 ndp_purge_on_ifdown_body() 577 { 578 579 rump_server_start $SOCKSRC netinet6 580 rump_server_start $SOCKDST netinet6 581 582 setup_dst_server 583 setup_src_server 584 585 $DEBUG && rump.netstat -nr -f inet6 586 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 587 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 588 589 # Shutdown the interface 590 atf_check -s exit:0 rump.ifconfig shmif0 down 591 $DEBUG && rump.netstat -nr -f inet6 592 $DEBUG && rump.ndp -na 593 594 # The entry was already removed on ifconfig down 595 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 596 rump.ndp -n $IP6DST 597 598 rump_server_destroy_ifaces 599 } 600 601 ndp_purge_on_ifdown_cleanup() 602 { 603 604 $DEBUG && dump 605 cleanup 606 } 607 608 atf_test_case ndp_stray_entries cleanup 609 ndp_stray_entries_head() 610 { 611 612 atf_set "descr" "Tests if NDP entries are removed on route change" 613 atf_set "require.progs" "rump_server" 614 } 615 616 ndp_stray_entries_body() 617 { 618 619 rump_server_start $SOCKSRC netinet6 620 rump_server_start $SOCKDST netinet6 621 622 setup_dst_server 623 setup_src_server 624 625 rump_server_add_iface $SOCKSRC shmif1 bus1 626 627 export RUMP_SERVER=$SOCKSRC 628 atf_check -s exit:0 rump.ifconfig shmif1 inet6 $IP6SRC2/64 629 atf_check -s exit:0 rump.ifconfig -w 10 630 631 $DEBUG && rump.netstat -nr -f inet6 632 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 633 $DEBUG && rump.ndp -na 634 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 635 atf_check -s exit:0 -o not-match:'shmif1' rump.ndp -n $IP6DST 636 637 # Clean up 638 atf_check -s exit:0 -o ignore rump.ndp -c 639 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 640 641 # ping from a different source address 642 atf_check -s exit:0 -o ignore \ 643 rump.ping6 -n -X 1 -c 1 -S $IP6SRC2 $IP6DST 644 $DEBUG && rump.ndp -na 645 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 646 # ARP reply goes back via shmif1, so a cache is created on shmif1 647 atf_check -s exit:0 -o match:'shmif1' rump.ndp -n $IP6DST 648 649 # Clean up by ndp -c 650 atf_check -s exit:0 -o ignore rump.ndp -c 651 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 652 653 # ping from a different source address again 654 atf_check -s exit:0 -o ignore \ 655 rump.ping6 -n -X 1 -c 1 -S $IP6SRC2 $IP6DST 656 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 657 # ARP reply doen't come 658 atf_check -s exit:0 -o not-match:'shmif1' rump.ndp -n $IP6DST 659 660 # Cleanup caches on the destination 661 export RUMP_SERVER=$SOCKDST 662 $DEBUG && rump.ndp -na 663 atf_check -s exit:0 -o ignore rump.ndp -c 664 $DEBUG && rump.ndp -na 665 export RUMP_SERVER=$SOCKSRC 666 667 # ping from a different source address again 668 atf_check -s exit:0 -o ignore \ 669 rump.ping6 -n -X 1 -c 1 -S $IP6SRC2 $IP6DST 670 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 671 # ARP reply goes back via shmif1 672 atf_check -s exit:0 -o match:'shmif1' rump.ndp -n $IP6DST 673 674 # Clean up by ndp -d <ip> 675 atf_check -s exit:0 -o ignore rump.ndp -d $IP6DST 676 # Both entries should be deleted 677 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 678 679 rump_server_destroy_ifaces 680 } 681 682 ndp_stray_entries_cleanup() 683 { 684 685 $DEBUG && dump 686 cleanup 687 } 688 689 atf_test_case ndp_cache_state cleanup 690 ndp_stray_entries_head() 691 { 692 693 atf_set "descr" "Tests states of neighbor cache entries" 694 atf_set "require.progs" "rump_server" 695 } 696 697 check_cache_state() 698 { 699 local dst=$1 700 local state=$2 701 702 $DEBUG && rump.ndp -n $dst 703 atf_check -s exit:0 -o match:"^$dst.*$state " rump.ndp -n $dst 704 } 705 706 wait_until_stalled() 707 { 708 local dst=$1 709 local state=$2 710 711 $DEBUG && rump.ndp -n $dst 712 while true; do 713 rump.ndp -n $dst | grep -q "^$dst.*S " && break 714 sleep 1 715 done 716 $DEBUG && rump.ndp -n $dst 717 } 718 719 ndp_cache_state_body() 720 { 721 local macaddr= 722 723 rump_server_start $SOCKSRC netinet6 724 rump_server_start $SOCKDST netinet6 725 726 setup_dst_server 727 setup_src_server 728 729 # Shorten the expire time of cache entries 730 export RUMP_SERVER=$SOCKSRC 731 atf_check -s exit:0 -o match:'basereachable=7s0ms' \ 732 rump.ndp -i shmif0 basereachable=7000 733 734 # Make a permanent cache entry to avoid sending an NS packet disturbing 735 # the test 736 macaddr=$(get_macaddr $SOCKSRC shmif0) 737 export RUMP_SERVER=$SOCKDST 738 atf_check -s exit:0 -o ignore rump.ndp -s $IP6SRC $macaddr 739 740 export RUMP_SERVER=$SOCKSRC 741 742 # 743 # Reachability confirmation (RFC 4861 7.3.3) 744 # 745 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 746 747 # Receiving a solicited NA packet changes the state of the cache to REACHABLE 748 check_cache_state $IP6DST R 749 750 # The state of the cache transits to STALE after a while 751 wait_until_stalled $IP6DST 752 753 # Sending a packet on the cache will run a reachability confirmation 754 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 755 756 sleep 1 757 758 # The state of the cache is changed to DELAY and stay for 5s, then 759 # send a NS packet and change the state to PROBE 760 check_cache_state $IP6DST D 761 762 sleep $((5 + 1)) 763 764 # If the reachability confirmation is success, the state of the cache 765 # is changed to REACHABLE 766 check_cache_state $IP6DST R 767 } 768 769 ndp_cache_state_cleanup() 770 { 771 772 $DEBUG && dump 773 cleanup 774 } 775 776 atf_init_test_cases() 777 { 778 atf_add_test_case ndp_cache_expiration 779 atf_add_test_case ndp_commands 780 atf_add_test_case ndp_cache_overwriting 781 atf_add_test_case ndp_neighborgcthresh 782 atf_add_test_case ndp_link_activation 783 atf_add_test_case ndp_rtm 784 atf_add_test_case ndp_purge_on_route_change 785 atf_add_test_case ndp_purge_on_route_delete 786 atf_add_test_case ndp_purge_on_ifdown 787 atf_add_test_case ndp_stray_entries 788 atf_add_test_case ndp_cache_state 789 } 790
Indexes created Thu Oct 02 10:09:58 GMT 2025