t_ndp.sh revision 1.10
1 # $NetBSD: t_ndp.sh,v 1.10 2016/04/04 07:37:08 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 inetserver="rump_server -lrumpnet -lrumpnet_net -lrumpnet_netinet" 29 inetserver="$inetserver -lrumpnet_netinet6 -lrumpnet_shmif" 30 HIJACKING="env LD_PRELOAD=/usr/lib/librumphijack.so RUMPHIJACK=sysctl=yes" 31 32 SOCKSRC=unix://commsock1 33 SOCKDST=unix://commsock2 34 IP6SRC=fc00::1 35 IP6DST=fc00::2 36 37 DEBUG=true 38 TIMEOUT=1 39 40 atf_test_case cache_expiration cleanup 41 atf_test_case command cleanup 42 atf_test_case cache_overwriting cleanup 43 atf_test_case neighborgcthresh cleanup 44 atf_test_case link_activation cleanup 45 46 cache_expiration_head() 47 { 48 atf_set "descr" "Tests for NDP cache expiration" 49 atf_set "require.progs" "rump_server" 50 } 51 52 command_head() 53 { 54 atf_set "descr" "Tests for commands of ndp(8)" 55 atf_set "require.progs" "rump_server" 56 } 57 58 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 neighborgcthresh_head() 65 { 66 atf_set "descr" "Tests for GC of neighbor caches" 67 atf_set "require.progs" "rump_server" 68 } 69 70 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=$1 79 80 export RUMP_SERVER=$SOCKDST 81 atf_check -s exit:0 rump.ifconfig shmif0 create 82 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 83 if [ "$assign_ip" != no ]; then 84 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6DST 85 fi 86 atf_check -s exit:0 rump.ifconfig shmif0 up 87 atf_check -s exit:0 rump.ifconfig -w 10 88 89 $DEBUG && rump.ifconfig shmif0 90 $DEBUG && rump.ndp -n -a 91 } 92 93 setup_src_server() 94 { 95 $DEBUG && ulimit -c unlimited 96 export RUMP_SERVER=$SOCKSRC 97 98 # Setup an interface 99 atf_check -s exit:0 rump.ifconfig shmif0 create 100 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 101 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6SRC 102 atf_check -s exit:0 rump.ifconfig shmif0 up 103 atf_check -s exit:0 rump.ifconfig -w 10 104 105 # Sanity check 106 $DEBUG && rump.ifconfig shmif0 107 $DEBUG && rump.ndp -n -a 108 atf_check -s exit:0 -o ignore rump.ndp -n $IP6SRC 109 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST 110 } 111 112 get_timeout() 113 { 114 local timeout=$(env RUMP_SERVER=$SOCKSRC rump.ndp -n $IP6DST |grep $IP6DST|awk '{print $4;}') 115 timeout=${timeout%s} 116 echo $timeout 117 } 118 119 cache_expiration_body() 120 { 121 atf_check -s exit:0 ${inetserver} $SOCKSRC 122 atf_check -s exit:0 ${inetserver} $SOCKDST 123 124 setup_dst_server 125 setup_src_server 126 127 # 128 # Check if a cache is expired expectedly 129 # 130 export RUMP_SERVER=$SOCKSRC 131 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 132 133 $DEBUG && rump.ndp -n -a 134 atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6SRC 135 # Should be cached 136 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 137 138 timeout=$(get_timeout $IP6DST) 139 140 atf_check -s exit:0 sleep $(($timeout + 1)) 141 142 $DEBUG && rump.ndp -n -a 143 atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6SRC 144 # Expired but remains until GC sweaps it (1 day) 145 atf_check -s exit:0 -o match:'(1d0h0m|23h59m)' rump.ndp -n $IP6DST 146 } 147 148 ifdown_dst_server() 149 { 150 export RUMP_SERVER=$SOCKDST 151 atf_check -s exit:0 rump.ifconfig shmif0 down 152 export RUMP_SERVER=$SOCKSRC 153 } 154 155 command_body() 156 { 157 atf_check -s exit:0 ${inetserver} $SOCKSRC 158 atf_check -s exit:0 ${inetserver} $SOCKDST 159 160 setup_dst_server 161 setup_src_server 162 163 export RUMP_SERVER=$SOCKSRC 164 165 # We can delete the entry for the interface's IP address 166 atf_check -s exit:0 -o match:"$IP6SRC" rump.ndp -d $IP6SRC 167 168 # Add and delete a static entry 169 $DEBUG && rump.ndp -n -a 170 atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 171 $DEBUG && rump.ndp -n -a 172 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::10 173 atf_check -s exit:0 -o match:'deleted' rump.ndp -d fc00::10 174 $DEBUG && rump.ndp -n -a 175 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n fc00::10 176 177 # Add multiple entries via a file (XXX not implemented) 178 #cat - > ./list <<-EOF 179 #fc00::11 b2:a0:20:00:00:11 180 #fc00::12 b2:a0:20:00:00:12 181 #fc00::13 b2:a0:20:00:00:13 182 #fc00::14 b2:a0:20:00:00:14 183 #fc00::15 b2:a0:20:00:00:15 184 #EOF 185 #$DEBUG && rump.ndp -n -a 186 #atf_check -s exit:0 -o ignore rump.ndp -f ./list 187 #$DEBUG && rump.ndp -n -a 188 189 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 190 atf_check -s exit:0 -o ignore rump.ndp -s fc00::11 b2:a0:20:00:00:11 191 atf_check -s exit:0 -o ignore rump.ndp -s fc00::12 b2:a0:20:00:00:12 192 193 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 194 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::11 195 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::12 196 197 # Test ndp -a 198 atf_check -s exit:0 -o match:'fc00::11' rump.ndp -n -a 199 atf_check -s exit:0 -o match:'fc00::12' rump.ndp -n -a 200 201 # Ensure no packet upsets the src server 202 ifdown_dst_server 203 204 # Flush all entries (-c) 205 $DEBUG && rump.ndp -n -a 206 atf_check -s exit:0 -o ignore rump.ndp -c 207 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6SRC 208 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST 209 # Only the static caches are not deleted 210 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::11 211 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::12 212 213 # Test temp option (XXX it doesn't work; expire time isn't set) 214 $DEBUG && rump.ndp -n -a 215 #atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 216 rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 217 $DEBUG && rump.ndp -n -a 218 #atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 219 220 return 0 221 } 222 223 cache_overwriting_body() 224 { 225 atf_check -s exit:0 ${inetserver} $SOCKSRC 226 atf_check -s exit:0 ${inetserver} $SOCKDST 227 228 setup_dst_server 229 setup_src_server 230 231 export RUMP_SERVER=$SOCKSRC 232 233 # Cannot overwrite a permanent cache 234 atf_check -s not-exit:0 -e ignore rump.ndp -s $IP6SRC b2:a0:20:00:00:ff 235 $DEBUG && rump.ndp -n -a 236 237 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 238 $DEBUG && rump.ndp -n -a 239 # Can overwrite a dynamic cache 240 atf_check -s exit:0 -o ignore rump.ndp -s $IP6DST b2:a0:20:00:00:00 241 $DEBUG && rump.ndp -n -a 242 atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6DST 243 244 # Test temp option (XXX it doesn't work; expire time isn't set) 245 #atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 246 #$DEBUG && rump.ndp -n -a 247 #atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 248 # Cannot overwrite a temp cache 249 #atf_check -s not-exit:0 -e ignore rump.ndp -s fc00::10 b2:a0:20:00:00:ff 250 #$DEBUG && rump.ndp -n -a 251 252 return 0 253 } 254 255 get_n_caches() 256 { 257 258 echo $(rump.ndp -a -n |grep -v -e Neighbor -e permanent |wc -l) 259 } 260 261 neighborgcthresh_body() 262 { 263 264 atf_check -s exit:0 ${inetserver} $SOCKSRC 265 atf_check -s exit:0 ${inetserver} $SOCKDST 266 267 setup_dst_server no 268 setup_src_server 269 270 export RUMP_SERVER=$SOCKDST 271 for i in $(seq 0 9); do 272 atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6DST}$i 273 done 274 275 export RUMP_SERVER=$SOCKSRC 276 277 # ping to 3 destinations 278 $DEBUG && rump.ndp -n -a 279 for i in $(seq 0 2); do 280 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 281 ${IP6DST}$i 282 done 283 $DEBUG && rump.ndp -n -a 284 285 # 3 caches should be created 286 atf_check_equal $(get_n_caches) 3 287 288 # ping to additional 3 destinations 289 for i in $(seq 3 5); do 290 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 291 ${IP6DST}$i 292 done 293 $DEBUG && rump.ndp -n -a 294 295 # 6 caches should be created in total 296 atf_check_equal $(get_n_caches) 6 297 298 # Limit the number of neighbor caches to 5 299 atf_check -s exit:0 -o ignore rump.sysctl -w \ 300 net.inet6.ip6.neighborgcthresh=5 301 302 # ping to additional 4 destinations 303 for i in $(seq 6 9); do 304 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 305 ${IP6DST}$i 306 done 307 308 # More than 5 caches should be created in total, but exceeded caches 309 # should be GC-ed 310 if [ "$(get_n_caches)" -gt 5 ]; then 311 atf_fail "Neighbor caches are not GC-ed" 312 fi 313 314 return 0 315 } 316 317 make_pkt_str_na() 318 { 319 local ip=$1 320 local mac=$2 321 local pkt= 322 pkt="$mac > 33:33:00:00:00:01, ethertype IPv6 (0x86dd), length 86:" 323 pkt="$pkt $ip > ff02::1: ICMP6, neighbor advertisement" 324 echo $pkt 325 } 326 327 extract_new_packets() 328 { 329 local old=./old 330 331 if [ ! -f $old ]; then 332 old=/dev/null 333 fi 334 335 shmif_dumpbus -p - bus1 2>/dev/null| \ 336 tcpdump -n -e -r - 2>/dev/null > ./new 337 diff -u $old ./new |grep '^+' |cut -d '+' -f 2 > ./diff 338 mv -f ./new ./old 339 cat ./diff 340 } 341 342 link_activation_body() 343 { 344 local linklocal= 345 346 atf_check -s exit:0 ${inetserver} $SOCKSRC 347 atf_check -s exit:0 ${inetserver} $SOCKDST 348 349 setup_dst_server 350 setup_src_server 351 352 # flush old packets 353 extract_new_packets > ./out 354 355 export RUMP_SERVER=$SOCKSRC 356 357 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 358 b2:a1:00:00:00:01 359 360 atf_check -s exit:0 sleep 1 361 extract_new_packets > ./out 362 $DEBUG && cat ./out 363 364 linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}') 365 $DEBUG && echo $linklocal 366 367 pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:01) 368 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 369 370 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 371 b2:a1:00:00:00:02 active 372 373 atf_check -s exit:0 sleep 1 374 extract_new_packets > ./out 375 $DEBUG && cat ./out 376 377 linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}') 378 $DEBUG && echo $linklocal 379 380 pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:02) 381 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 382 } 383 384 cleanup() 385 { 386 env RUMP_SERVER=$SOCKSRC rump.halt 387 env RUMP_SERVER=$SOCKDST rump.halt 388 } 389 390 dump_src() 391 { 392 export RUMP_SERVER=$SOCKSRC 393 rump.netstat -nr 394 rump.ndp -n -a 395 rump.ifconfig 396 $HIJACKING dmesg 397 } 398 399 dump_dst() 400 { 401 export RUMP_SERVER=$SOCKDST 402 rump.netstat -nr 403 rump.ndp -n -a 404 rump.ifconfig 405 $HIJACKING dmesg 406 } 407 408 dump() 409 { 410 dump_src 411 dump_dst 412 shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 413 $DEBUG && gdb -ex bt /usr/bin/rump_server rump_server.core 414 $DEBUG && gdb -ex bt /usr/sbin/rump.ndp rump.ndp.core 415 } 416 417 cache_expiration_cleanup() 418 { 419 $DEBUG && dump 420 cleanup 421 } 422 423 command_cleanup() 424 { 425 $DEBUG && dump 426 cleanup 427 } 428 429 cache_overwriting_cleanup() 430 { 431 $DEBUG && dump 432 cleanup 433 } 434 435 neighborgcthresh_cleanup() 436 { 437 $DEBUG && dump 438 cleanup 439 } 440 441 link_activation_cleanup() 442 { 443 $DEBUG && dump 444 cleanup 445 } 446 447 atf_init_test_cases() 448 { 449 atf_add_test_case cache_expiration 450 atf_add_test_case command 451 atf_add_test_case cache_overwriting 452 atf_add_test_case neighborgcthresh 453 atf_add_test_case link_activation 454 } 455
Indexes created Thu Oct 02 10:09:58 GMT 2025