t_arp.sh revision 1.3
1 # $NetBSD: t_arp.sh,v 1.3 2015/07/30 08:41:18 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 44 cache_expiration_5s_head() 45 { 46 atf_set "descr" "Tests for ARP cache expiration (5s)" 47 atf_set "require.progs" "rump_server" 48 } 49 50 cache_expiration_10s_head() 51 { 52 atf_set "descr" "Tests for ARP cache expiration (10s)" 53 atf_set "require.progs" "rump_server" 54 } 55 56 command_head() 57 { 58 atf_set "descr" "Tests for commands of arp(8)" 59 atf_set "require.progs" "rump_server" 60 } 61 62 garp_head() 63 { 64 atf_set "descr" "Tests for GARP" 65 atf_set "require.progs" "rump_server" 66 } 67 68 setup_dst_server() 69 { 70 export RUMP_SERVER=$SOCKDST 71 atf_check -s exit:0 rump.ifconfig shmif0 create 72 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 73 atf_check -s exit:0 rump.ifconfig shmif0 inet $IP4DST/24 74 atf_check -s exit:0 rump.ifconfig shmif0 up 75 atf_check -s exit:0 rump.ifconfig -w 10 76 77 $DEBUG && rump.ifconfig shmif0 78 $DEBUG && rump.arp -n -a 79 } 80 81 setup_src_server() 82 { 83 local prune=$1 84 local keep=$2 85 86 export RUMP_SERVER=$SOCKSRC 87 88 # Adjust ARP parameters 89 atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.arp.prune=$prune 90 atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.arp.keep=$keep 91 # Don't refresh to test expiration easily 92 atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.arp.refresh=0 93 94 # Setup an interface 95 atf_check -s exit:0 rump.ifconfig shmif0 create 96 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 97 atf_check -s exit:0 rump.ifconfig shmif0 inet $IP4SRC/24 98 atf_check -s exit:0 rump.ifconfig shmif0 up 99 atf_check -s exit:0 rump.ifconfig -w 10 100 101 # Sanity check 102 $DEBUG && rump.ifconfig shmif0 103 $DEBUG && rump.arp -n -a 104 atf_check -s exit:0 -o ignore rump.arp -n $IP4SRC 105 atf_check -s not-exit:0 -e ignore rump.arp -n $IP4DST 106 } 107 108 test_cache_expiration() 109 { 110 local arp_prune=1 111 local arp_keep=$1 112 local bonus=2 113 114 atf_check -s exit:0 ${inetserver} $SOCKSRC 115 atf_check -s exit:0 ${inetserver} $SOCKDST 116 117 setup_dst_server 118 setup_src_server $arp_prune $arp_keep 119 120 # 121 # Check if a cache is expired expectedly 122 # 123 export RUMP_SERVER=$SOCKSRC 124 atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP4DST 125 126 $DEBUG && rump.arp -n -a 127 atf_check -s exit:0 -o ignore rump.arp -n $IP4SRC 128 # Should be cached 129 atf_check -s exit:0 -o ignore rump.arp -n $IP4DST 130 131 atf_check -s exit:0 sleep $(($arp_keep + $arp_prune + $bonus)) 132 133 $DEBUG && rump.arp -n -a 134 atf_check -s exit:0 -o ignore rump.arp -n $IP4SRC 135 # Should be expired 136 #atf_check -s not-exit:0 -e ignore rump.arp -n $IP4DST 137 atf_check -s exit:0 -o match:'incomplete' rump.arp -n $IP4DST 138 } 139 140 cache_expiration_5s_body() 141 { 142 test_cache_expiration 5 143 } 144 145 cache_expiration_10s_body() 146 { 147 test_cache_expiration 10 148 } 149 150 command_body() 151 { 152 local arp_prune=1 153 local arp_keep=5 154 local bonus=2 155 156 atf_check -s exit:0 ${inetserver} $SOCKSRC 157 atf_check -s exit:0 ${inetserver} $SOCKDST 158 159 setup_dst_server 160 setup_src_server $arp_prune $arp_keep 161 162 export RUMP_SERVER=$SOCKSRC 163 164 # Add and delete a static entry 165 $DEBUG && rump.arp -n -a 166 atf_check -s exit:0 -o ignore rump.arp -s 10.0.1.10 b2:a0:20:00:00:10 167 $DEBUG && rump.arp -n -a 168 atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.10 169 atf_check -s exit:0 -o ignore rump.arp -d 10.0.1.10 170 $DEBUG && rump.arp -n -a 171 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.10 172 173 # Add multiple entries via a file 174 cat - > ./list <<-EOF 175 10.0.1.11 b2:a0:20:00:00:11 176 10.0.1.12 b2:a0:20:00:00:12 177 10.0.1.13 b2:a0:20:00:00:13 178 10.0.1.14 b2:a0:20:00:00:14 179 10.0.1.15 b2:a0:20:00:00:15 180 EOF 181 $DEBUG && rump.arp -n -a 182 atf_check -s exit:0 -o ignore rump.arp -f ./list 183 $DEBUG && rump.arp -n -a 184 atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.11 185 atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.12 186 atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.13 187 atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.14 188 atf_check -s exit:0 -o match:'permanent' rump.arp -n 10.0.1.15 189 190 # Test arp -a 191 atf_check -s exit:0 -o match:'10.0.1.11' rump.arp -n -a 192 atf_check -s exit:0 -o match:'10.0.1.12' rump.arp -n -a 193 atf_check -s exit:0 -o match:'10.0.1.13' rump.arp -n -a 194 atf_check -s exit:0 -o match:'10.0.1.14' rump.arp -n -a 195 atf_check -s exit:0 -o match:'10.0.1.15' rump.arp -n -a 196 197 # Flush all entries 198 $DEBUG && rump.arp -n -a 199 atf_check -s exit:0 -o ignore rump.arp -d -a 200 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.11 201 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.12 202 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.13 203 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.14 204 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.15 205 atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.1 206 } 207 208 make_pkt_str() 209 { 210 local target=$1 211 local sender=$2 212 pkt="> ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42:" 213 pkt="$pkt Request who-has $target tell $sender, length 28" 214 echo $pkt 215 } 216 217 garp_body() 218 { 219 local pkt= 220 221 atf_check -s exit:0 ${inetserver} $SOCKSRC 222 export RUMP_SERVER=$SOCKSRC 223 224 # Setup an interface 225 atf_check -s exit:0 rump.ifconfig shmif0 create 226 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 227 atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.1/24 228 atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.2/24 alias 229 atf_check -s exit:0 rump.ifconfig shmif0 up 230 $DEBUG && rump.ifconfig shmif0 231 232 atf_check -s exit:0 sleep 1 233 shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - > ./out 234 235 # A GARP packet is sent for the primary address 236 pkt=$(make_pkt_str 10.0.0.1 10.0.0.1) 237 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 238 # No GARP packet is sent for the alias address 239 pkt=$(make_pkt_str 10.0.0.2 10.0.0.2) 240 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 241 242 atf_check -s exit:0 rump.ifconfig -w 10 243 atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.3/24 244 atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.4/24 alias 245 246 # No GARP packets are sent during IFF_UP 247 shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - > ./out 248 pkt=$(make_pkt_str 10.0.0.3 10.0.0.3) 249 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 250 pkt=$(make_pkt_str 10.0.0.4 10.0.0.4) 251 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 252 } 253 254 cleanup() 255 { 256 env RUMP_SERVER=$SOCKSRC rump.halt 257 env RUMP_SERVER=$SOCKDST rump.halt 258 } 259 260 dump_src() 261 { 262 export RUMP_SERVER=$SOCKSRC 263 rump.netstat -nr 264 rump.arp -n -a 265 rump.ifconfig 266 $HIJACKING dmesg 267 } 268 269 dump_dst() 270 { 271 export RUMP_SERVER=$SOCKDST 272 rump.netstat -nr 273 rump.arp -n -a 274 rump.ifconfig 275 $HIJACKING dmesg 276 } 277 278 dump() 279 { 280 dump_src 281 dump_dst 282 shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 283 } 284 285 cache_expiration_5s_cleanup() 286 { 287 $DEBUG && dump 288 cleanup 289 } 290 291 cache_expiration_10s_cleanup() 292 { 293 $DEBUG && dump 294 cleanup 295 } 296 297 command_cleanup() 298 { 299 $DEBUG && dump 300 cleanup 301 } 302 303 garp_cleanup() 304 { 305 $DEBUG && dump_src 306 $DEBUG && shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 307 env RUMP_SERVER=$SOCKSRC rump.halt 308 } 309 310 atf_init_test_cases() 311 { 312 atf_add_test_case cache_expiration_5s 313 atf_add_test_case cache_expiration_10s 314 atf_add_test_case command 315 atf_add_test_case garp 316 } 317
Indexes created Tue Sep 30 20:09:53 GMT 2025