t_ndp.sh revision 1.9
1 # $NetBSD: t_ndp.sh,v 1.9 2016/02/29 09:35:16 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 # 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 $IP6DST 205 # Only the static caches are not deleted 206 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::11 207 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::12 208 209 # Test temp option (XXX it doesn't work; expire time isn't set) 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 return 0 217 } 218 219 cache_overwriting_body() 220 { 221 atf_check -s exit:0 ${inetserver} $SOCKSRC 222 atf_check -s exit:0 ${inetserver} $SOCKDST 223 224 setup_dst_server 225 setup_src_server 226 227 export RUMP_SERVER=$SOCKSRC 228 229 # Cannot overwrite a permanent cache 230 atf_check -s not-exit:0 -e ignore rump.ndp -s $IP6SRC b2:a0:20:00:00:ff 231 $DEBUG && rump.ndp -n -a 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 return 0 249 } 250 251 get_n_caches() 252 { 253 254 echo $(rump.ndp -a -n |grep -v -e Neighbor -e permanent |wc -l) 255 } 256 257 neighborgcthresh_body() 258 { 259 260 atf_check -s exit:0 ${inetserver} $SOCKSRC 261 atf_check -s exit:0 ${inetserver} $SOCKDST 262 263 setup_dst_server no 264 setup_src_server 265 266 export RUMP_SERVER=$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 return 0 311 } 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 extract_new_packets() 324 { 325 local old=./old 326 327 if [ ! -f $old ]; then 328 old=/dev/null 329 fi 330 331 shmif_dumpbus -p - bus1 2>/dev/null| \ 332 tcpdump -n -e -r - 2>/dev/null > ./new 333 diff -u $old ./new |grep '^+' |cut -d '+' -f 2 > ./diff 334 mv -f ./new ./old 335 cat ./diff 336 } 337 338 link_activation_body() 339 { 340 local linklocal= 341 342 atf_check -s exit:0 ${inetserver} $SOCKSRC 343 atf_check -s exit:0 ${inetserver} $SOCKDST 344 345 setup_dst_server 346 setup_src_server 347 348 # flush old packets 349 extract_new_packets > ./out 350 351 export RUMP_SERVER=$SOCKSRC 352 353 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 354 b2:a1:00:00:00:01 355 356 atf_check -s exit:0 sleep 1 357 extract_new_packets > ./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 $linklocal b2:a1:00:00:00:01) 364 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 365 366 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \ 367 b2:a1:00:00:00:02 active 368 369 atf_check -s exit:0 sleep 1 370 extract_new_packets > ./out 371 $DEBUG && cat ./out 372 373 linklocal=$(rump.ifconfig shmif0 |awk '/fe80/ {print $2;}' |awk -F % '{print $1;}') 374 $DEBUG && echo $linklocal 375 376 pkt=$(make_pkt_str_na $linklocal b2:a1:00:00:00:02) 377 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 378 } 379 380 cleanup() 381 { 382 env RUMP_SERVER=$SOCKSRC rump.halt 383 env RUMP_SERVER=$SOCKDST rump.halt 384 } 385 386 dump_src() 387 { 388 export RUMP_SERVER=$SOCKSRC 389 rump.netstat -nr 390 rump.ndp -n -a 391 rump.ifconfig 392 $HIJACKING dmesg 393 } 394 395 dump_dst() 396 { 397 export RUMP_SERVER=$SOCKDST 398 rump.netstat -nr 399 rump.ndp -n -a 400 rump.ifconfig 401 $HIJACKING dmesg 402 } 403 404 dump() 405 { 406 dump_src 407 dump_dst 408 shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 409 $DEBUG && gdb -ex bt /usr/bin/rump_server rump_server.core 410 $DEBUG && gdb -ex bt /usr/sbin/rump.ndp rump.ndp.core 411 } 412 413 cache_expiration_cleanup() 414 { 415 $DEBUG && dump 416 cleanup 417 } 418 419 command_cleanup() 420 { 421 $DEBUG && dump 422 cleanup 423 } 424 425 cache_overwriting_cleanup() 426 { 427 $DEBUG && dump 428 cleanup 429 } 430 431 neighborgcthresh_cleanup() 432 { 433 $DEBUG && dump 434 cleanup 435 } 436 437 link_activation_cleanup() 438 { 439 $DEBUG && dump 440 cleanup 441 } 442 443 atf_init_test_cases() 444 { 445 atf_add_test_case cache_expiration 446 atf_add_test_case command 447 atf_add_test_case cache_overwriting 448 atf_add_test_case neighborgcthresh 449 atf_add_test_case link_activation 450 } 451
Indexes created Thu Oct 02 10:09:58 GMT 2025