t_ndp.sh revision 1.24
1 # $NetBSD: t_ndp.sh,v 1.24 2017/06/22 10:06:34 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 $SOCKDST netinet6 120 121 setup_dst_server 122 setup_src_server 123 124 # 125 # Check if a cache is expired expectedly 126 # 127 export RUMP_SERVER=$SOCKSRC 128 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 129 130 $DEBUG && rump.ndp -n -a 131 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6SRC 132 # Should be cached 133 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 134 135 timeout=$(get_timeout $IP6DST) 136 137 atf_check -s exit:0 sleep $(($timeout + 1)) 138 139 $DEBUG && rump.ndp -n -a 140 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6SRC 141 # Expired but remains until GC sweaps it (1 day) 142 atf_check -s exit:0 -o match:"$ONEDAYISH" rump.ndp -n $IP6DST 143 144 rump_server_destroy_ifaces 145 } 146 147 ifdown_dst_server() 148 { 149 export RUMP_SERVER=$SOCKDST 150 atf_check -s exit:0 rump.ifconfig shmif0 down 151 export RUMP_SERVER=$SOCKSRC 152 } 153 154 ndp_commands_body() 155 { 156 157 rump_server_start $SOCKSRC netinet6 158 rump_server_start $SOCKDST netinet6 159 160 setup_dst_server 161 setup_src_server 162 163 export RUMP_SERVER=$SOCKSRC 164 165 # Add and delete a static entry 166 $DEBUG && rump.ndp -n -a 167 atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 168 $DEBUG && rump.ndp -n -a 169 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::10 170 atf_check -s exit:0 -o match:'deleted' rump.ndp -d fc00::10 171 $DEBUG && rump.ndp -n -a 172 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n fc00::10 173 174 # Add multiple entries via a file (XXX not implemented) 175 #cat - > ./list <<-EOF 176 #fc00::11 b2:a0:20:00:00:11 177 #fc00::12 b2:a0:20:00:00:12 178 #fc00::13 b2:a0:20:00:00:13 179 #fc00::14 b2:a0:20:00:00:14 180 #fc00::15 b2:a0:20:00:00:15 181 #EOF 182 #$DEBUG && rump.ndp -n -a 183 #atf_check -s exit:0 -o ignore rump.ndp -f ./list 184 #$DEBUG && rump.ndp -n -a 185 186 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 187 atf_check -s exit:0 -o ignore rump.ndp -s fc00::11 b2:a0:20:00:00:11 188 atf_check -s exit:0 -o ignore rump.ndp -s fc00::12 b2:a0:20:00:00:12 189 190 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 191 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::11 192 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::12 193 194 # Test ndp -a 195 atf_check -s exit:0 -o match:'fc00::11' rump.ndp -n -a 196 atf_check -s exit:0 -o match:'fc00::12' rump.ndp -n -a 197 198 # Ensure no packet upsets the src server 199 ifdown_dst_server 200 201 # Flush all entries (-c) 202 $DEBUG && rump.ndp -n -a 203 atf_check -s exit:0 -o ignore rump.ndp -c 204 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6SRC 205 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST 206 # Only the static caches are not deleted 207 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::11 208 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::12 209 210 $DEBUG && rump.ndp -n -a 211 atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 212 rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 213 $DEBUG && rump.ndp -n -a 214 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 215 216 rump_server_destroy_ifaces 217 } 218 219 ndp_cache_overwriting_body() 220 { 221 222 rump_server_start $SOCKSRC netinet6 223 rump_server_start $SOCKDST netinet6 224 225 setup_dst_server 226 setup_src_server 227 228 export RUMP_SERVER=$SOCKSRC 229 230 # Cannot overwrite a permanent cache 231 atf_check -s exit:0 rump.ndp -s $IP6SRC b2:a0:20:00:00:ff 232 $DEBUG && rump.ndp -n -a 233 atf_check -s not-exit:0 -e ignore rump.ndp -s $IP6SRC b2:a0:20:00:00:fe 234 235 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 236 $DEBUG && rump.ndp -n -a 237 # Can overwrite a dynamic cache 238 atf_check -s exit:0 -o ignore rump.ndp -s $IP6DST b2:a0:20:00:00:00 239 $DEBUG && rump.ndp -n -a 240 atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6DST 241 242 # Test temp option (XXX it doesn't work; expire time isn't set) 243 #atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 244 #$DEBUG && rump.ndp -n -a 245 #atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 246 # Cannot overwrite a temp cache 247 #atf_check -s not-exit:0 -e ignore rump.ndp -s fc00::10 b2:a0:20:00:00:ff 248 #$DEBUG && rump.ndp -n -a 249 250 rump_server_destroy_ifaces 251 } 252 253 get_n_caches() 254 { 255 256 echo $(rump.ndp -a -n |grep -v -e Neighbor -e permanent |wc -l) 257 } 258 259 ndp_neighborgcthresh_body() 260 { 261 262 rump_server_start $SOCKSRC netinet6 263 rump_server_start $SOCKDST netinet6 264 265 setup_dst_server no 266 setup_src_server 267 268 export RUMP_SERVER=$SOCKDST 269 for i in $(seq 0 9); do 270 atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6DST}$i 271 done 272 273 export RUMP_SERVER=$SOCKSRC 274 275 # ping to 3 destinations 276 $DEBUG && rump.ndp -n -a 277 for i in $(seq 0 2); do 278 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 279 ${IP6DST}$i 280 done 281 $DEBUG && rump.ndp -n -a 282 283 # 3 caches should be created 284 atf_check_equal $(get_n_caches) 3 285 286 # ping to additional 3 destinations 287 for i in $(seq 3 5); do 288 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 289 ${IP6DST}$i 290 done 291 $DEBUG && rump.ndp -n -a 292 293 # 6 caches should be created in total 294 atf_check_equal $(get_n_caches) 6 295 296 # Limit the number of neighbor caches to 5 297 atf_check -s exit:0 -o ignore rump.sysctl -w \ 298 net.inet6.ip6.neighborgcthresh=5 299 300 # ping to additional 4 destinations 301 for i in $(seq 6 9); do 302 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 303 ${IP6DST}$i 304 done 305 306 # More than 5 caches should be created in total, but exceeded caches 307 # should be GC-ed 308 if [ "$(get_n_caches)" -gt 5 ]; then 309 atf_fail "Neighbor caches are not GC-ed" 310 fi 311 312 rump_server_destroy_ifaces 313 } 314 315 make_pkt_str_na() 316 { 317 local ip=$1 318 local mac=$2 319 local pkt= 320 pkt="$mac > 33:33:00:00:00:01, ethertype IPv6 (0x86dd), length 86:" 321 pkt="$pkt $ip > ff02::1: ICMP6, neighbor advertisement" 322 echo $pkt 323 } 324 325 ndp_link_activation_body() 326 { 327 local linklocal= 328 329 rump_server_start $SOCKSRC netinet6 330 rump_server_start $SOCKDST netinet6 331 332 setup_dst_server 333 setup_src_server 334 335 # flush old packets 336 extract_new_packets bus1 > ./out 337 338 export RUMP_SERVER=$SOCKSRC 339 340 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 341 b2:a1:00:00:00:01 342 343 atf_check -s exit:0 sleep 1 344 extract_new_packets bus1 > ./out 345 $DEBUG && cat ./out 346 347 linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}') 348 $DEBUG && echo $linklocal 349 350 pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:01) 351 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 352 353 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 354 b2:a1:00:00:00:02 active 355 356 atf_check -s exit:0 sleep 1 357 extract_new_packets bus1 > ./out 358 $DEBUG && cat ./out 359 360 linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}') 361 $DEBUG && echo $linklocal 362 363 pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:02) 364 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 365 366 rump_server_destroy_ifaces 367 } 368 369 ndp_cache_expiration_cleanup() 370 { 371 $DEBUG && dump 372 cleanup 373 } 374 375 ndp_commands_cleanup() 376 { 377 $DEBUG && dump 378 cleanup 379 } 380 381 ndp_cache_overwriting_cleanup() 382 { 383 $DEBUG && dump 384 cleanup 385 } 386 387 ndp_neighborgcthresh_cleanup() 388 { 389 $DEBUG && dump 390 cleanup 391 } 392 393 ndp_link_activation_cleanup() 394 { 395 $DEBUG && dump 396 cleanup 397 } 398 399 atf_test_case ndp_rtm cleanup 400 ndp_rtm_head() 401 { 402 403 atf_set "descr" "Tests for routing messages on operations of NDP entries" 404 atf_set "require.progs" "rump_server" 405 } 406 407 ndp_rtm_body() 408 { 409 local macaddr_src= macaddr_dst= 410 local file=./tmp 411 local pid= str= 412 413 rump_server_start $SOCKSRC netinet6 414 rump_server_start $SOCKDST netinet6 415 416 setup_dst_server 417 setup_src_server 418 419 macaddr_src=$(get_macaddr $SOCKSRC shmif0) 420 macaddr_dst=$(get_macaddr $SOCKDST shmif0) 421 422 export RUMP_SERVER=$SOCKSRC 423 424 # Test ping and a resulting routing message (RTM_ADD) 425 rump.route -n monitor -c 1 > $file & 426 pid=$? 427 sleep 1 428 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 429 wait $pid 430 $DEBUG && cat $file 431 432 str="RTM_ADD.+<UP,HOST,DONE,LLINFO,CLONED>" 433 atf_check -s exit:0 -o match:"$str" cat $file 434 str="<DST,GATEWAY,IFP,IFA>" 435 atf_check -s exit:0 -o match:"$str" cat $file 436 str="$IP6DST link#2 $macaddr_src $IP6SRC" 437 atf_check -s exit:0 -o match:"$str" cat $file 438 439 # Test ndp -d and resulting routing messages (RTM_GET and RTM_DELETE) 440 rump.route -n monitor -c 2 > $file & 441 pid=$? 442 sleep 1 443 atf_check -s exit:0 -o ignore rump.ndp -d $IP6DST 444 wait $pid 445 $DEBUG && cat $file 446 447 str="RTM_GET.+<UP,DONE,LLINFO>" 448 atf_check -s exit:0 -o match:"$str" grep -A 3 RTM_GET $file 449 str="<DST,GATEWAY,IFP,IFA>" 450 atf_check -s exit:0 -o match:"$str" grep -A 3 RTM_GET $file 451 str="$IP6DST $macaddr_dst $macaddr_src $IP6SRC" 452 atf_check -s exit:0 -o match:"$str" grep -A 3 RTM_GET $file 453 str="RTM_DELETE.+<UP,DONE,LLINFO>" 454 atf_check -s exit:0 -o match:"$str" grep -A 3 RTM_DELETE $file 455 str="<DST,GATEWAY,IFP,IFA>" 456 atf_check -s exit:0 -o match:"$str" grep -A 3 RTM_DELETE $file 457 str="$IP6DST $macaddr_dst $macaddr_src $IP6SRC" 458 atf_check -s exit:0 -o match:"$str" grep -A 3 RTM_DELETE $file 459 460 rump_server_destroy_ifaces 461 } 462 463 ndp_rtm_cleanup() 464 { 465 466 $DEBUG && dump 467 cleanup 468 } 469 470 atf_test_case ndp_purge_on_route_change cleanup 471 ndp_purge_on_route_change_head() 472 { 473 474 atf_set "descr" "Tests if NDP entries are removed on route change" 475 atf_set "require.progs" "rump_server" 476 } 477 478 ndp_purge_on_route_change_body() 479 { 480 481 rump_server_start $SOCKSRC netinet6 482 rump_server_start $SOCKDST netinet6 483 484 setup_dst_server 485 setup_src_server 486 487 rump_server_add_iface $SOCKSRC shmif1 bus1 488 export RUMP_SERVER=$SOCKSRC 489 atf_check -s exit:0 rump.ifconfig shmif1 inet6 $IP6SRC2 490 atf_check -s exit:0 rump.ifconfig -w 10 491 492 $DEBUG && rump.netstat -nr -f inet6 493 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 494 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 495 496 atf_check -s exit:0 -o ignore \ 497 rump.route change -inet6 -net $IP6NET/64 -ifp shmif1 498 $DEBUG && rump.netstat -nr -f inet6 499 $DEBUG && rump.ndp -na 500 # The entry was already removed on route change 501 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 502 rump.ndp -n $IP6DST 503 504 rump_server_destroy_ifaces 505 } 506 507 ndp_purge_on_route_change_cleanup() 508 { 509 510 $DEBUG && dump 511 cleanup 512 } 513 514 atf_test_case ndp_purge_on_route_delete cleanup 515 ndp_purge_on_route_delete_head() 516 { 517 518 atf_set "descr" "Tests if NDP entries are removed on route delete" 519 atf_set "require.progs" "rump_server" 520 } 521 522 ndp_purge_on_route_delete_body() 523 { 524 525 rump_server_start $SOCKSRC netinet6 526 rump_server_start $SOCKDST netinet6 527 528 setup_dst_server 529 setup_src_server 530 531 $DEBUG && rump.netstat -nr -f inet6 532 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 533 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 534 535 atf_check -s exit:0 -o ignore rump.route delete -inet6 -net $IP6NET/64 536 $DEBUG && rump.netstat -nr -f inet6 537 $DEBUG && rump.ndp -na 538 539 # The entry was already removed on route delete 540 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 541 rump.ndp -n $IP6DST 542 543 rump_server_destroy_ifaces 544 } 545 546 ndp_purge_on_route_delete_cleanup() 547 { 548 549 $DEBUG && dump 550 cleanup 551 } 552 553 atf_test_case ndp_purge_on_ifdown cleanup 554 ndp_purge_on_ifdown_head() 555 { 556 557 atf_set "descr" "Tests if NDP entries are removed on interface down" 558 atf_set "require.progs" "rump_server" 559 } 560 561 ndp_purge_on_ifdown_body() 562 { 563 564 rump_server_start $SOCKSRC netinet6 565 rump_server_start $SOCKDST netinet6 566 567 setup_dst_server 568 setup_src_server 569 570 $DEBUG && rump.netstat -nr -f inet6 571 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 572 atf_check -s exit:0 -o match:'shmif0' rump.ndp -n $IP6DST 573 574 # Shutdown the interface 575 atf_check -s exit:0 rump.ifconfig shmif0 down 576 $DEBUG && rump.netstat -nr -f inet6 577 $DEBUG && rump.ndp -na 578 579 # The entry was already removed on ifconfig down 580 atf_check -s not-exit:0 -o ignore -e match:'no entry' \ 581 rump.ndp -n $IP6DST 582 583 rump_server_destroy_ifaces 584 } 585 586 ndp_purge_on_ifdown_cleanup() 587 { 588 589 $DEBUG && dump 590 cleanup 591 } 592 593 atf_init_test_cases() 594 { 595 atf_add_test_case ndp_cache_expiration 596 atf_add_test_case ndp_commands 597 atf_add_test_case ndp_cache_overwriting 598 atf_add_test_case ndp_neighborgcthresh 599 atf_add_test_case ndp_link_activation 600 atf_add_test_case ndp_rtm 601 atf_add_test_case ndp_purge_on_route_change 602 atf_add_test_case ndp_purge_on_route_delete 603 atf_add_test_case ndp_purge_on_ifdown 604 } 605
Indexes created Thu Oct 02 10:09:58 GMT 2025