t_ndp.sh revision 1.22
1 # $NetBSD: t_ndp.sh,v 1.22 2017/06/21 09:05:31 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 IP6DST=fc00::2 32 33 DEBUG=${DEBUG:-false} 34 TIMEOUT=1 35 36 atf_test_case ndp_cache_expiration cleanup 37 atf_test_case ndp_commands cleanup 38 atf_test_case ndp_cache_overwriting cleanup 39 atf_test_case ndp_neighborgcthresh cleanup 40 atf_test_case ndp_link_activation cleanup 41 42 ndp_cache_expiration_head() 43 { 44 atf_set "descr" "Tests for NDP cache expiration" 45 atf_set "require.progs" "rump_server" 46 } 47 48 ndp_commands_head() 49 { 50 atf_set "descr" "Tests for commands of ndp(8)" 51 atf_set "require.progs" "rump_server" 52 } 53 54 ndp_cache_overwriting_head() 55 { 56 atf_set "descr" "Tests for behavior of overwriting NDP caches" 57 atf_set "require.progs" "rump_server" 58 } 59 60 ndp_neighborgcthresh_head() 61 { 62 atf_set "descr" "Tests for GC of neighbor caches" 63 atf_set "require.progs" "rump_server" 64 } 65 66 ndp_link_activation_head() 67 { 68 atf_set "descr" "Tests for activating a new MAC address" 69 atf_set "require.progs" "rump_server" 70 } 71 72 setup_dst_server() 73 { 74 local assign_ip=$1 75 76 rump_server_add_iface $SOCKDST shmif0 bus1 77 export RUMP_SERVER=$SOCKDST 78 if [ "$assign_ip" != no ]; then 79 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6DST 80 fi 81 atf_check -s exit:0 rump.ifconfig shmif0 up 82 atf_check -s exit:0 rump.ifconfig -w 10 83 84 $DEBUG && rump.ifconfig shmif0 85 $DEBUG && rump.ndp -n -a 86 } 87 88 setup_src_server() 89 { 90 $DEBUG && ulimit -c unlimited 91 export RUMP_SERVER=$SOCKSRC 92 93 # Setup an interface 94 rump_server_add_iface $SOCKSRC shmif0 bus1 95 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6SRC 96 atf_check -s exit:0 rump.ifconfig shmif0 up 97 atf_check -s exit:0 rump.ifconfig -w 10 98 99 # Sanity check 100 $DEBUG && rump.ifconfig shmif0 101 $DEBUG && rump.ndp -n -a 102 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6SRC 103 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6DST 104 } 105 106 get_timeout() 107 { 108 local timeout=$(env RUMP_SERVER=$SOCKSRC rump.ndp -n $IP6DST |grep $IP6DST|awk '{print $4;}') 109 timeout=${timeout%s} 110 echo $timeout 111 } 112 113 ndp_cache_expiration_body() 114 { 115 116 rump_server_start $SOCKSRC netinet6 117 rump_server_start $SOCKDST netinet6 118 119 setup_dst_server 120 setup_src_server 121 122 # 123 # Check if a cache is expired expectedly 124 # 125 export RUMP_SERVER=$SOCKSRC 126 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 127 128 $DEBUG && rump.ndp -n -a 129 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6SRC 130 # Should be cached 131 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 132 133 timeout=$(get_timeout $IP6DST) 134 135 atf_check -s exit:0 sleep $(($timeout + 1)) 136 137 $DEBUG && rump.ndp -n -a 138 atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.ndp -n $IP6SRC 139 # Expired but remains until GC sweaps it (1 day) 140 atf_check -s exit:0 -o match:"$ONEDAYISH" rump.ndp -n $IP6DST 141 142 rump_server_destroy_ifaces 143 } 144 145 ifdown_dst_server() 146 { 147 export RUMP_SERVER=$SOCKDST 148 atf_check -s exit:0 rump.ifconfig shmif0 down 149 export RUMP_SERVER=$SOCKSRC 150 } 151 152 ndp_commands_body() 153 { 154 155 rump_server_start $SOCKSRC netinet6 156 rump_server_start $SOCKDST netinet6 157 158 setup_dst_server 159 setup_src_server 160 161 export RUMP_SERVER=$SOCKSRC 162 163 # Add and delete a static entry 164 $DEBUG && rump.ndp -n -a 165 atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 166 $DEBUG && rump.ndp -n -a 167 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::10 168 atf_check -s exit:0 -o match:'deleted' rump.ndp -d fc00::10 169 $DEBUG && rump.ndp -n -a 170 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n fc00::10 171 172 # Add multiple entries via a file (XXX not implemented) 173 #cat - > ./list <<-EOF 174 #fc00::11 b2:a0:20:00:00:11 175 #fc00::12 b2:a0:20:00:00:12 176 #fc00::13 b2:a0:20:00:00:13 177 #fc00::14 b2:a0:20:00:00:14 178 #fc00::15 b2:a0:20:00:00:15 179 #EOF 180 #$DEBUG && rump.ndp -n -a 181 #atf_check -s exit:0 -o ignore rump.ndp -f ./list 182 #$DEBUG && rump.ndp -n -a 183 184 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 185 atf_check -s exit:0 -o ignore rump.ndp -s fc00::11 b2:a0:20:00:00:11 186 atf_check -s exit:0 -o ignore rump.ndp -s fc00::12 b2:a0:20:00:00:12 187 188 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 189 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::11 190 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::12 191 192 # Test ndp -a 193 atf_check -s exit:0 -o match:'fc00::11' rump.ndp -n -a 194 atf_check -s exit:0 -o match:'fc00::12' rump.ndp -n -a 195 196 # Ensure no packet upsets the src server 197 ifdown_dst_server 198 199 # Flush all entries (-c) 200 $DEBUG && rump.ndp -n -a 201 atf_check -s exit:0 -o ignore rump.ndp -c 202 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6SRC 203 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST 204 # Only the static caches are not deleted 205 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::11 206 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::12 207 208 $DEBUG && rump.ndp -n -a 209 atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 210 rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 211 $DEBUG && rump.ndp -n -a 212 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 213 214 rump_server_destroy_ifaces 215 } 216 217 ndp_cache_overwriting_body() 218 { 219 220 rump_server_start $SOCKSRC netinet6 221 rump_server_start $SOCKDST netinet6 222 223 setup_dst_server 224 setup_src_server 225 226 export RUMP_SERVER=$SOCKSRC 227 228 # Cannot overwrite a permanent cache 229 atf_check -s exit:0 rump.ndp -s $IP6SRC b2:a0:20:00:00:ff 230 $DEBUG && rump.ndp -n -a 231 atf_check -s not-exit:0 -e ignore rump.ndp -s $IP6SRC b2:a0:20:00:00:fe 232 233 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 234 $DEBUG && rump.ndp -n -a 235 # Can overwrite a dynamic cache 236 atf_check -s exit:0 -o ignore rump.ndp -s $IP6DST b2:a0:20:00:00:00 237 $DEBUG && rump.ndp -n -a 238 atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6DST 239 240 # Test temp option (XXX it doesn't work; expire time isn't set) 241 #atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 242 #$DEBUG && rump.ndp -n -a 243 #atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 244 # Cannot overwrite a temp cache 245 #atf_check -s not-exit:0 -e ignore rump.ndp -s fc00::10 b2:a0:20:00:00:ff 246 #$DEBUG && rump.ndp -n -a 247 248 rump_server_destroy_ifaces 249 } 250 251 get_n_caches() 252 { 253 254 echo $(rump.ndp -a -n |grep -v -e Neighbor -e permanent |wc -l) 255 } 256 257 ndp_neighborgcthresh_body() 258 { 259 260 rump_server_start $SOCKSRC netinet6 261 rump_server_start $SOCKDST netinet6 262 263 setup_dst_server no 264 setup_src_server 265 266 export RUMP_SERVER=$SOCKDST 267 for i in $(seq 0 9); do 268 atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6DST}$i 269 done 270 271 export RUMP_SERVER=$SOCKSRC 272 273 # ping to 3 destinations 274 $DEBUG && rump.ndp -n -a 275 for i in $(seq 0 2); do 276 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 277 ${IP6DST}$i 278 done 279 $DEBUG && rump.ndp -n -a 280 281 # 3 caches should be created 282 atf_check_equal $(get_n_caches) 3 283 284 # ping to additional 3 destinations 285 for i in $(seq 3 5); do 286 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 287 ${IP6DST}$i 288 done 289 $DEBUG && rump.ndp -n -a 290 291 # 6 caches should be created in total 292 atf_check_equal $(get_n_caches) 6 293 294 # Limit the number of neighbor caches to 5 295 atf_check -s exit:0 -o ignore rump.sysctl -w \ 296 net.inet6.ip6.neighborgcthresh=5 297 298 # ping to additional 4 destinations 299 for i in $(seq 6 9); do 300 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 301 ${IP6DST}$i 302 done 303 304 # More than 5 caches should be created in total, but exceeded caches 305 # should be GC-ed 306 if [ "$(get_n_caches)" -gt 5 ]; then 307 atf_fail "Neighbor caches are not GC-ed" 308 fi 309 310 rump_server_destroy_ifaces 311 } 312 313 make_pkt_str_na() 314 { 315 local ip=$1 316 local mac=$2 317 local pkt= 318 pkt="$mac > 33:33:00:00:00:01, ethertype IPv6 (0x86dd), length 86:" 319 pkt="$pkt $ip > ff02::1: ICMP6, neighbor advertisement" 320 echo $pkt 321 } 322 323 ndp_link_activation_body() 324 { 325 local linklocal= 326 327 rump_server_start $SOCKSRC netinet6 328 rump_server_start $SOCKDST netinet6 329 330 setup_dst_server 331 setup_src_server 332 333 # flush old packets 334 extract_new_packets bus1 > ./out 335 336 export RUMP_SERVER=$SOCKSRC 337 338 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 339 b2:a1:00:00:00:01 340 341 atf_check -s exit:0 sleep 1 342 extract_new_packets bus1 > ./out 343 $DEBUG && cat ./out 344 345 linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}') 346 $DEBUG && echo $linklocal 347 348 pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:01) 349 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 350 351 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 352 b2:a1:00:00:00:02 active 353 354 atf_check -s exit:0 sleep 1 355 extract_new_packets bus1 > ./out 356 $DEBUG && cat ./out 357 358 linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}') 359 $DEBUG && echo $linklocal 360 361 pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:02) 362 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 363 364 rump_server_destroy_ifaces 365 } 366 367 ndp_cache_expiration_cleanup() 368 { 369 $DEBUG && dump 370 cleanup 371 } 372 373 ndp_commands_cleanup() 374 { 375 $DEBUG && dump 376 cleanup 377 } 378 379 ndp_cache_overwriting_cleanup() 380 { 381 $DEBUG && dump 382 cleanup 383 } 384 385 ndp_neighborgcthresh_cleanup() 386 { 387 $DEBUG && dump 388 cleanup 389 } 390 391 ndp_link_activation_cleanup() 392 { 393 $DEBUG && dump 394 cleanup 395 } 396 397 atf_test_case ndp_rtm cleanup 398 ndp_rtm_head() 399 { 400 401 atf_set "descr" "Tests for routing messages on operations of ARP entries" 402 atf_set "require.progs" "rump_server" 403 } 404 405 ndp_rtm_body() 406 { 407 local macaddr_src= macaddr_dst= 408 local file=./tmp 409 local pid= str= 410 411 rump_server_start $SOCKSRC netinet6 412 rump_server_start $SOCKDST netinet6 413 414 setup_dst_server 415 setup_src_server 416 417 macaddr_src=$(get_macaddr $SOCKSRC shmif0) 418 macaddr_dst=$(get_macaddr $SOCKDST shmif0) 419 420 export RUMP_SERVER=$SOCKSRC 421 422 # Test ping and a resulting routing message (RTM_ADD) 423 rump.route -n monitor -c 1 > $file & 424 pid=$? 425 sleep 1 426 atf_check -s exit:0 -o ignore rump.ping6 -n -X 1 -c 1 $IP6DST 427 wait $pid 428 $DEBUG && cat $file 429 430 str="RTM_ADD.+<UP,HOST,DONE,LLINFO,CLONED>" 431 atf_check -s exit:0 -o match:"$str" cat $file 432 str="<DST,GATEWAY,IFP,IFA>" 433 atf_check -s exit:0 -o match:"$str" cat $file 434 str="$IP6DST link#2 $macaddr_src $IP6SRC" 435 atf_check -s exit:0 -o match:"$str" cat $file 436 437 # Test ndp -d and resulting routing messages (RTM_GET and RTM_DELETE) 438 rump.route -n monitor -c 2 > $file & 439 pid=$? 440 sleep 1 441 atf_check -s exit:0 -o ignore rump.ndp -d $IP6DST 442 wait $pid 443 $DEBUG && cat $file 444 445 str="RTM_GET.+<UP,DONE,LLINFO>" 446 atf_check -s exit:0 -o match:"$str" grep -A 3 RTM_GET $file 447 str="<DST,GATEWAY,IFP,IFA>" 448 atf_check -s exit:0 -o match:"$str" grep -A 3 RTM_GET $file 449 str="$IP6DST $macaddr_dst $macaddr_src $IP6SRC" 450 atf_check -s exit:0 -o match:"$str" grep -A 3 RTM_GET $file 451 str="RTM_DELETE.+<UP,DONE,LLINFO>" 452 atf_check -s exit:0 -o match:"$str" grep -A 3 RTM_DELETE $file 453 str="<DST,GATEWAY,IFP,IFA>" 454 atf_check -s exit:0 -o match:"$str" grep -A 3 RTM_DELETE $file 455 str="$IP6DST $macaddr_dst $macaddr_src $IP6SRC" 456 atf_check -s exit:0 -o match:"$str" grep -A 3 RTM_DELETE $file 457 458 rump_server_destroy_ifaces 459 } 460 461 ndp_rtm_cleanup() 462 { 463 464 $DEBUG && dump 465 cleanup 466 } 467 468 atf_init_test_cases() 469 { 470 atf_add_test_case ndp_cache_expiration 471 atf_add_test_case ndp_commands 472 atf_add_test_case ndp_cache_overwriting 473 atf_add_test_case ndp_neighborgcthresh 474 atf_add_test_case ndp_link_activation 475 atf_add_test_case ndp_rtm 476 } 477
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