t_arp.sh revision 1.5
1 # $NetBSD: t_arp.sh,v 1.5 2015/07/31 02:39:12 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 -lrumpnet_shmif" 29 HIJACKING="env LD_PRELOAD=/usr/lib/librumphijack.so RUMPHIJACK=sysctl=yes" 30 31 SOCKSRC=unix://commsock1 32 SOCKDST=unix://commsock2 33 IP4SRC=10.0.1.1 34 IP4DST=10.0.1.2 35 36 DEBUG=false 37 TIMEOUT=1 38 39 atf_test_case cache_expiration_5s cleanup 40 atf_test_case cache_expiration_10s cleanup 41 atf_test_case command cleanup 42 atf_test_case garp cleanup 43 atf_test_case cache_overwriting cleanup 44 45 cache_expiration_5s_head() 46 { 47 atf_set "descr" "Tests for ARP cache expiration (5s)" 48 atf_set "require.progs" "rump_server" 49 } 50 51 cache_expiration_10s_head() 52 { 53 atf_set "descr" "Tests for ARP cache expiration (10s)" 54 atf_set "require.progs" "rump_server" 55 } 56 57 command_head() 58 { 59 atf_set "descr" "Tests for commands of arp(8)" 60 atf_set "require.progs" "rump_server" 61 } 62 63 garp_head() 64 { 65 atf_set "descr" "Tests for GARP" 66 atf_set "require.progs" "rump_server" 67 } 68 69 cache_overwriting_head() 70 { 71 atf_set "descr" "Tests for behavior of overwriting ARP caches" 72 atf_set "require.progs" "rump_server" 73 } 74 75 setup_dst_server() 76 { 77 export RUMP_SERVER=$SOCKDST 78 atf_check -s exit:0 rump.ifconfig shmif0 create 79 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 80 atf_check -s exit:0 rump.ifconfig shmif0 inet $IP4DST/24 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.arp -n -a 86 } 87 88 setup_src_server() 89 { 90 local prune=$1 91 local keep=$2 92 93 export RUMP_SERVER=$SOCKSRC 94 95 # Adjust ARP parameters 96 atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.arp.prune=$prune 97 atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.arp.keep=$keep 98 # Don't refresh to test expiration easily 99 atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.arp.refresh=0 100 101 # Setup an interface 102 atf_check -s exit:0 rump.ifconfig shmif0 create 103 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 104 atf_check -s exit:0 rump.ifconfig shmif0 inet $IP4SRC/24 105 atf_check -s exit:0 rump.ifconfig shmif0 up 106 atf_check -s exit:0 rump.ifconfig -w 10 107 108 # Sanity check 109 $DEBUG && rump.ifconfig shmif0 110 $DEBUG && rump.arp -n -a 111 atf_check -s exit:0 -o ignore rump.arp -n $IP4SRC 112 atf_check -s not-exit:0 -e ignore rump.arp -n $IP4DST 113 } 114 115 test_cache_expiration() 116 { 117 local arp_prune=1 118 local arp_keep=$1 119 local bonus=2 120 121 atf_check -s exit:0 ${inetserver} $SOCKSRC 122 atf_check -s exit:0 ${inetserver} $SOCKDST 123 124 setup_dst_server 125 setup_src_server $arp_prune $arp_keep 126 127 # 128 # Check if a cache is expired expectedly 129 # 130 export RUMP_SERVER=$SOCKSRC 131 atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP4DST 132 133 $DEBUG && rump.arp -n -a 134 atf_check -s exit:0 -o ignore rump.arp -n $IP4SRC 135 # Should be cached 136 atf_check -s exit:0 -o ignore rump.arp -n $IP4DST 137 138 atf_check -s exit:0 sleep $(($arp_keep + $arp_prune + $bonus)) 139 140 $DEBUG && rump.arp -n -a 141 atf_check -s exit:0 -o ignore rump.arp -n $IP4SRC 142 # Should be expired 143 #atf_check -s not-exit:0 -e ignore rump.arp -n $IP4DST 144 atf_check -s exit:0 -o match:'incomplete' rump.arp -n $IP4DST 145 } 146 147 cache_expiration_5s_body() 148 { 149 test_cache_expiration 5 150 } 151 152 cache_expiration_10s_body() 153 { 154 test_cache_expiration 10 155 } 156 157 command_body() 158 { 159 local arp_prune=1 160 local arp_keep=5 161 local bonus=2 162 163 atf_check -s exit:0 ${inetserver} $SOCKSRC 164 atf_check -s exit:0 ${inetserver} $SOCKDST 165 166 setup_dst_server 167 setup_src_server $arp_prune $arp_keep 168 169 export RUMP_SERVER=$SOCKSRC 170 171 # Add and delete a static entry 172 $DEBUG && rump.arp -n -a 173 atf_check -s exit:0 -o ignore rump.arp -s 10.0.1.10 b2:a0:20:00:00:10 174 $DEBUG && rump.arp -n -a 175 atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.10 176 atf_check -s exit:0 -o ignore rump.arp -d 10.0.1.10 177 $DEBUG && rump.arp -n -a 178 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.10 179 180 # Add multiple entries via a file 181 cat - > ./list <<-EOF 182 10.0.1.11 b2:a0:20:00:00:11 183 10.0.1.12 b2:a0:20:00:00:12 184 10.0.1.13 b2:a0:20:00:00:13 185 10.0.1.14 b2:a0:20:00:00:14 186 10.0.1.15 b2:a0:20:00:00:15 187 EOF 188 $DEBUG && rump.arp -n -a 189 atf_check -s exit:0 -o ignore rump.arp -f ./list 190 $DEBUG && rump.arp -n -a 191 atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.11 192 atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.12 193 atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.13 194 atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.14 195 atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.15 196 197 # Test arp -a 198 atf_check -s exit:0 -o match:'10.0.1.11' rump.arp -n -a 199 atf_check -s exit:0 -o match:'10.0.1.12' rump.arp -n -a 200 atf_check -s exit:0 -o match:'10.0.1.13' rump.arp -n -a 201 atf_check -s exit:0 -o match:'10.0.1.14' rump.arp -n -a 202 atf_check -s exit:0 -o match:'10.0.1.15' rump.arp -n -a 203 204 # Flush all entries 205 $DEBUG && rump.arp -n -a 206 atf_check -s exit:0 -o ignore rump.arp -d -a 207 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.11 208 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.12 209 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.13 210 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.14 211 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.15 212 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.1 213 214 # Test temp option 215 $DEBUG && rump.arp -n -a 216 atf_check -s exit:0 -o ignore rump.arp -s 10.0.1.10 b2:a0:20:00:00:10 temp 217 $DEBUG && rump.arp -n -a 218 atf_check -s exit:0 -o not-match:'permanent' rump.arp -n 10.0.1.10 219 220 # Hm? the cache doesn't expire... 221 atf_check -s exit:0 sleep $(($arp_keep + $arp_prune + $bonus)) 222 $DEBUG && rump.arp -n -a 223 #atf_check -s exit:0 -o match:'incomplete' rump.arp -n 10.0.1.10 224 } 225 226 make_pkt_str() 227 { 228 local target=$1 229 local sender=$2 230 pkt="> ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42:" 231 pkt="$pkt Request who-has $target tell $sender, length 28" 232 echo $pkt 233 } 234 235 garp_body() 236 { 237 local pkt= 238 239 atf_check -s exit:0 ${inetserver} $SOCKSRC 240 export RUMP_SERVER=$SOCKSRC 241 242 # Setup an interface 243 atf_check -s exit:0 rump.ifconfig shmif0 create 244 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 245 atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.1/24 246 atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.2/24 alias 247 atf_check -s exit:0 rump.ifconfig shmif0 up 248 $DEBUG && rump.ifconfig shmif0 249 250 atf_check -s exit:0 sleep 1 251 shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - > ./out 252 253 # A GARP packet is sent for the primary address 254 pkt=$(make_pkt_str 10.0.0.1 10.0.0.1) 255 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 256 # No GARP packet is sent for the alias address 257 pkt=$(make_pkt_str 10.0.0.2 10.0.0.2) 258 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 259 260 atf_check -s exit:0 rump.ifconfig -w 10 261 atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.3/24 262 atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.4/24 alias 263 264 # No GARP packets are sent during IFF_UP 265 shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - > ./out 266 pkt=$(make_pkt_str 10.0.0.3 10.0.0.3) 267 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 268 pkt=$(make_pkt_str 10.0.0.4 10.0.0.4) 269 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 270 } 271 272 cache_overwriting_body() 273 { 274 local arp_prune=1 275 local arp_keep=5 276 local bonus=2 277 278 atf_check -s exit:0 ${inetserver} $SOCKSRC 279 atf_check -s exit:0 ${inetserver} $SOCKDST 280 281 setup_dst_server 282 setup_src_server $arp_prune $arp_keep 283 284 export RUMP_SERVER=$SOCKSRC 285 286 # Cannot overwrite a permanent cache 287 atf_check -s not-exit:0 -e ignore rump.arp -s $IP4SRC b2:a0:20:00:00:ff 288 $DEBUG && rump.arp -n -a 289 290 atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP4DST 291 $DEBUG && rump.arp -n -a 292 # Can overwrite a dynamic cache 293 atf_check -s exit:0 -o ignore rump.arp -s $IP4DST b2:a0:20:00:00:00 294 $DEBUG && rump.arp -n -a 295 atf_check -s exit:0 -o match:'permanent' rump.arp -n $IP4DST 296 297 atf_check -s exit:0 -o ignore rump.arp -s 10.0.1.10 b2:a0:20:00:00:10 temp 298 $DEBUG && rump.arp -n -a 299 atf_check -s exit:0 -o not-match:'permanent' rump.arp -n 10.0.1.10 300 # Cannot overwrite a temp cache 301 atf_check -s not-exit:0 -e ignore rump.arp -s 10.0.1.10 b2:a0:20:00:00:ff 302 $DEBUG && rump.arp -n -a 303 } 304 305 cleanup() 306 { 307 env RUMP_SERVER=$SOCKSRC rump.halt 308 env RUMP_SERVER=$SOCKDST rump.halt 309 } 310 311 dump_src() 312 { 313 export RUMP_SERVER=$SOCKSRC 314 rump.netstat -nr 315 rump.arp -n -a 316 rump.ifconfig 317 $HIJACKING dmesg 318 } 319 320 dump_dst() 321 { 322 export RUMP_SERVER=$SOCKDST 323 rump.netstat -nr 324 rump.arp -n -a 325 rump.ifconfig 326 $HIJACKING dmesg 327 } 328 329 dump() 330 { 331 dump_src 332 dump_dst 333 shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 334 } 335 336 cache_expiration_5s_cleanup() 337 { 338 $DEBUG && dump 339 cleanup 340 } 341 342 cache_expiration_10s_cleanup() 343 { 344 $DEBUG && dump 345 cleanup 346 } 347 348 command_cleanup() 349 { 350 $DEBUG && dump 351 cleanup 352 } 353 354 garp_cleanup() 355 { 356 $DEBUG && dump_src 357 $DEBUG && shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 358 env RUMP_SERVER=$SOCKSRC rump.halt 359 } 360 361 cache_overwriting_cleanup() 362 { 363 $DEBUG && dump 364 cleanup 365 } 366 367 atf_init_test_cases() 368 { 369 atf_add_test_case cache_expiration_5s 370 atf_add_test_case cache_expiration_10s 371 atf_add_test_case command 372 atf_add_test_case garp 373 atf_add_test_case cache_overwriting 374 } 375
Indexes created Tue Sep 30 20:09:53 GMT 2025