t_ndp.sh revision 1.8
1 # $NetBSD: t_ndp.sh,v 1.8 2015/11/18 04:13:01 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 45 cache_expiration_head() 46 { 47 atf_set "descr" "Tests for NDP cache expiration" 48 atf_set "require.progs" "rump_server" 49 } 50 51 command_head() 52 { 53 atf_set "descr" "Tests for commands of ndp(8)" 54 atf_set "require.progs" "rump_server" 55 } 56 57 cache_overwriting_head() 58 { 59 atf_set "descr" "Tests for behavior of overwriting NDP caches" 60 atf_set "require.progs" "rump_server" 61 } 62 63 neighborgcthresh_head() 64 { 65 atf_set "descr" "Tests for GC of neighbor caches" 66 atf_set "require.progs" "rump_server" 67 } 68 69 setup_dst_server() 70 { 71 local assign_ip=$1 72 73 export RUMP_SERVER=$SOCKDST 74 atf_check -s exit:0 rump.ifconfig shmif0 create 75 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 76 if [ "$assign_ip" != no ]; then 77 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6DST 78 fi 79 atf_check -s exit:0 rump.ifconfig shmif0 up 80 atf_check -s exit:0 rump.ifconfig -w 10 81 82 $DEBUG && rump.ifconfig shmif0 83 $DEBUG && rump.ndp -n -a 84 } 85 86 setup_src_server() 87 { 88 $DEBUG && ulimit -c unlimited 89 export RUMP_SERVER=$SOCKSRC 90 91 # Setup an interface 92 atf_check -s exit:0 rump.ifconfig shmif0 create 93 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 94 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6SRC 95 atf_check -s exit:0 rump.ifconfig shmif0 up 96 atf_check -s exit:0 rump.ifconfig -w 10 97 98 # Sanity check 99 $DEBUG && rump.ifconfig shmif0 100 $DEBUG && rump.ndp -n -a 101 atf_check -s exit:0 -o ignore rump.ndp -n $IP6SRC 102 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST 103 } 104 105 get_timeout() 106 { 107 local timeout=$(env RUMP_SERVER=$SOCKSRC rump.ndp -n $IP6DST |grep $IP6DST|awk '{print $4;}') 108 timeout=${timeout%s} 109 echo $timeout 110 } 111 112 cache_expiration_body() 113 { 114 atf_check -s exit:0 ${inetserver} $SOCKSRC 115 atf_check -s exit:0 ${inetserver} $SOCKDST 116 117 setup_dst_server 118 setup_src_server 119 120 # 121 # Check if a cache is expired expectedly 122 # 123 export RUMP_SERVER=$SOCKSRC 124 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 125 126 $DEBUG && rump.ndp -n -a 127 atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6SRC 128 # Should be cached 129 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 130 131 timeout=$(get_timeout $IP6DST) 132 133 atf_check -s exit:0 sleep $(($timeout + 1)) 134 135 $DEBUG && rump.ndp -n -a 136 atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6SRC 137 # Expired but remains until GC sweaps it (1 day) 138 atf_check -s exit:0 -o match:'(1d0h0m|23h59m)' rump.ndp -n $IP6DST 139 } 140 141 ifdown_dst_server() 142 { 143 export RUMP_SERVER=$SOCKDST 144 atf_check -s exit:0 rump.ifconfig shmif0 down 145 export RUMP_SERVER=$SOCKSRC 146 } 147 148 command_body() 149 { 150 atf_check -s exit:0 ${inetserver} $SOCKSRC 151 atf_check -s exit:0 ${inetserver} $SOCKDST 152 153 setup_dst_server 154 setup_src_server 155 156 export RUMP_SERVER=$SOCKSRC 157 158 # Add and delete a static entry 159 $DEBUG && rump.ndp -n -a 160 atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 161 $DEBUG && rump.ndp -n -a 162 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::10 163 atf_check -s exit:0 -o match:'deleted' rump.ndp -d fc00::10 164 $DEBUG && rump.ndp -n -a 165 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n fc00::10 166 167 # Add multiple entries via a file (XXX not implemented) 168 #cat - > ./list <<-EOF 169 #fc00::11 b2:a0:20:00:00:11 170 #fc00::12 b2:a0:20:00:00:12 171 #fc00::13 b2:a0:20:00:00:13 172 #fc00::14 b2:a0:20:00:00:14 173 #fc00::15 b2:a0:20:00:00:15 174 #EOF 175 #$DEBUG && rump.ndp -n -a 176 #atf_check -s exit:0 -o ignore rump.ndp -f ./list 177 #$DEBUG && rump.ndp -n -a 178 179 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 180 atf_check -s exit:0 -o ignore rump.ndp -s fc00::11 b2:a0:20:00:00:11 181 atf_check -s exit:0 -o ignore rump.ndp -s fc00::12 b2:a0:20:00:00:12 182 183 atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST 184 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::11 185 atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::12 186 187 # Test ndp -a 188 atf_check -s exit:0 -o match:'fc00::11' rump.ndp -n -a 189 atf_check -s exit:0 -o match:'fc00::12' rump.ndp -n -a 190 191 # Ensure no packet upsets the src server 192 ifdown_dst_server 193 194 # Flush all entries (-c) 195 $DEBUG && rump.ndp -n -a 196 atf_check -s exit:0 -o ignore rump.ndp -c 197 atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST 198 # Only the static caches are not deleted 199 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::11 200 atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::12 201 202 # Test temp option (XXX it doesn't work; expire time isn't set) 203 $DEBUG && rump.ndp -n -a 204 #atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 205 rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 206 $DEBUG && rump.ndp -n -a 207 #atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 208 209 return 0 210 } 211 212 cache_overwriting_body() 213 { 214 atf_check -s exit:0 ${inetserver} $SOCKSRC 215 atf_check -s exit:0 ${inetserver} $SOCKDST 216 217 setup_dst_server 218 setup_src_server 219 220 export RUMP_SERVER=$SOCKSRC 221 222 # Cannot overwrite a permanent cache 223 atf_check -s not-exit:0 -e ignore rump.ndp -s $IP6SRC b2:a0:20:00:00:ff 224 $DEBUG && rump.ndp -n -a 225 226 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST 227 $DEBUG && rump.ndp -n -a 228 # Can overwrite a dynamic cache 229 atf_check -s exit:0 -o ignore rump.ndp -s $IP6DST b2:a0:20:00:00:00 230 $DEBUG && rump.ndp -n -a 231 atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6DST 232 233 # Test temp option (XXX it doesn't work; expire time isn't set) 234 #atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp 235 #$DEBUG && rump.ndp -n -a 236 #atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10 237 # Cannot overwrite a temp cache 238 #atf_check -s not-exit:0 -e ignore rump.ndp -s fc00::10 b2:a0:20:00:00:ff 239 #$DEBUG && rump.ndp -n -a 240 241 return 0 242 } 243 244 get_n_caches() 245 { 246 247 echo $(rump.ndp -a -n |grep -v -e Neighbor -e permanent |wc -l) 248 } 249 250 neighborgcthresh_body() 251 { 252 253 atf_check -s exit:0 ${inetserver} $SOCKSRC 254 atf_check -s exit:0 ${inetserver} $SOCKDST 255 256 setup_dst_server no 257 setup_src_server 258 259 export RUMP_SERVER=$SOCKDST 260 for i in $(seq 0 9); do 261 atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6DST}$i 262 done 263 264 export RUMP_SERVER=$SOCKSRC 265 266 # ping to 3 destinations 267 $DEBUG && rump.ndp -n -a 268 for i in $(seq 0 2); do 269 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 270 ${IP6DST}$i 271 done 272 $DEBUG && rump.ndp -n -a 273 274 # 3 caches should be created 275 atf_check_equal $(get_n_caches) 3 276 277 # ping to additional 3 destinations 278 for i in $(seq 3 5); do 279 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 280 ${IP6DST}$i 281 done 282 $DEBUG && rump.ndp -n -a 283 284 # 6 caches should be created in total 285 atf_check_equal $(get_n_caches) 6 286 287 # Limit the number of neighbor caches to 5 288 atf_check -s exit:0 -o ignore rump.sysctl -w \ 289 net.inet6.ip6.neighborgcthresh=5 290 291 # ping to additional 4 destinations 292 for i in $(seq 6 9); do 293 atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \ 294 ${IP6DST}$i 295 done 296 297 # More than 5 caches should be created in total, but exceeded caches 298 # should be GC-ed 299 if [ "$(get_n_caches)" -gt 5 ]; then 300 atf_fail "Neighbor caches are not GC-ed" 301 fi 302 303 return 0 304 } 305 306 cleanup() 307 { 308 env RUMP_SERVER=$SOCKSRC rump.halt 309 env RUMP_SERVER=$SOCKDST rump.halt 310 } 311 312 dump_src() 313 { 314 export RUMP_SERVER=$SOCKSRC 315 rump.netstat -nr 316 rump.ndp -n -a 317 rump.ifconfig 318 $HIJACKING dmesg 319 } 320 321 dump_dst() 322 { 323 export RUMP_SERVER=$SOCKDST 324 rump.netstat -nr 325 rump.ndp -n -a 326 rump.ifconfig 327 $HIJACKING dmesg 328 } 329 330 dump() 331 { 332 dump_src 333 dump_dst 334 shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 335 $DEBUG && gdb -ex bt /usr/bin/rump_server rump_server.core 336 $DEBUG && gdb -ex bt /usr/sbin/rump.ndp rump.ndp.core 337 } 338 339 cache_expiration_cleanup() 340 { 341 $DEBUG && dump 342 cleanup 343 } 344 345 command_cleanup() 346 { 347 $DEBUG && dump 348 cleanup 349 } 350 351 cache_overwriting_cleanup() 352 { 353 $DEBUG && dump 354 cleanup 355 } 356 357 neighborgcthresh_cleanup() 358 { 359 $DEBUG && dump 360 cleanup 361 } 362 363 atf_init_test_cases() 364 { 365 atf_add_test_case cache_expiration 366 atf_add_test_case command 367 atf_add_test_case cache_overwriting 368 atf_add_test_case neighborgcthresh 369 } 370
Indexes created Thu Oct 02 10:09:58 GMT 2025