1 # $NetBSD: t_dad.sh,v 1.16 2024/08/20 08:21:48 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 SOCKLOCAL=unix://commsock1 29 SOCKPEER=unix://commsock2 30 31 DEBUG=${DEBUG:-false} 32 33 atf_test_case dad_basic cleanup 34 atf_test_case dad_duplicated cleanup 35 atf_test_case dad_duplicated_nodad cleanup 36 37 dad_basic_head() 38 { 39 atf_set "descr" "Tests for IPv4 DAD basic behavior" 40 atf_set "require.progs" "rump_server" 41 } 42 43 dad_duplicated_head() 44 { 45 atf_set "descr" "Tests for IPv4 DAD duplicated state" 46 atf_set "require.progs" "rump_server" 47 } 48 49 dad_duplicated_nodad_head() 50 { 51 atf_set "descr" "Tests for IPv4 DAD duplicated state w/o DAD" 52 atf_set "require.progs" "rump_server" 53 } 54 55 setup_server() 56 { 57 local sock=$1 58 local ip=$2 59 60 rump_server_add_iface $sock shmif0 bus1 61 62 export RUMP_SERVER=$sock 63 atf_check -s exit:0 rump.ifconfig shmif0 inet $ip/24 64 atf_check -s exit:0 rump.ifconfig shmif0 up 65 atf_check -s exit:0 rump.ifconfig -w 10 66 67 $DEBUG && rump.ifconfig shmif0 68 } 69 70 make_pkt_str() 71 { 72 local target=$1 73 local sender=$2 74 pkt="> ff:ff:ff:ff:ff:ff, ethertype ARP \(0x0806\), length 42:" 75 pkt="$pkt Request who-has $target tell $sender, length 28" 76 echo $pkt 77 } 78 79 make_reply_str() 80 { 81 local srcmac=$1 82 local dstmac=$2 83 local ip=$3 84 pkt="$srcmac > $dstmac, ethertype ARP \(0x0806\), length 42:" 85 pkt="Reply $ip is-at $srcmac, length 28" 86 echo $pkt 87 } 88 89 dad_basic_body() 90 { 91 local pkt= 92 93 rump_server_start $SOCKLOCAL 94 rump_server_add_iface $SOCKLOCAL shmif0 bus1 95 96 export RUMP_SERVER=$SOCKLOCAL 97 98 # Increase the number of trials, which makes the tests stable 99 atf_check -s exit:0 -o match:'3 -> 5' \ 100 rump.sysctl -w net.inet.ip.dad_count=5 101 102 atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.1/24 103 atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.2/24 alias 104 $DEBUG && rump.ifconfig shmif0 105 106 atf_check -s exit:0 rump.ifconfig shmif0 up 107 rump.ifconfig shmif0 > ./out 108 $DEBUG && cat ./out 109 110 # The primary address doesn't start with tentative state 111 atf_check -s exit:0 -o not-match:'10\.0\.0\.1.+TENTATIVE' cat ./out 112 # The alias address starts with tentative state 113 atf_check -s exit:0 -o match:'10\.0\.0\.2.+TENTATIVE' cat ./out 114 115 atf_check -s exit:0 sleep 2 116 extract_new_packets bus1 > ./out 117 $DEBUG && cat ./out 118 119 # Check DAD probe packets 120 pkt=$(make_pkt_str 10.0.0.2 0.0.0.0) 121 atf_check -s exit:0 -o match:"$pkt" cat ./out 122 # No DAD for the primary address 123 pkt=$(make_pkt_str 10.0.0.1 0.0.0.0) 124 atf_check -s exit:0 -o not-match:"$pkt" cat ./out 125 126 # Waiting for DAD complete 127 atf_check -s exit:0 rump.ifconfig -w 10 128 # Give a chance to send a DAD announce packet 129 atf_check -s exit:0 sleep 2 130 extract_new_packets bus1 > ./out 131 $DEBUG && cat ./out 132 133 # Check the DAD announce packet 134 pkt=$(make_pkt_str 10.0.0.2 10.0.0.2) 135 atf_check -s exit:0 -o match:"$pkt" cat ./out 136 # The alias address left tentative 137 atf_check -s exit:0 -o not-match:'10\.0\.0\.2.+TENTATIVE' \ 138 rump.ifconfig shmif0 139 140 # 141 # Add a new address on the fly 142 # 143 atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.3/24 alias 144 145 # The new address starts with tentative state 146 atf_check -s exit:0 -o match:'10\.0\.0\.3.+TENTATIVE' \ 147 rump.ifconfig shmif0 148 149 # Check DAD probe packets 150 atf_check -s exit:0 sleep 2 151 extract_new_packets bus1 > ./out 152 $DEBUG && cat ./out 153 pkt=$(make_pkt_str 10.0.0.3 0.0.0.0) 154 atf_check -s exit:0 -o match:"$pkt" cat ./out 155 156 # Waiting for DAD complete 157 atf_check -s exit:0 rump.ifconfig -w 10 158 # Give a chance to send a DAD announce packet 159 atf_check -s exit:0 sleep 2 160 extract_new_packets bus1 > ./out 161 $DEBUG && cat ./out 162 163 # Check the DAD announce packet 164 pkt=$(make_pkt_str 10.0.0.3 10.0.0.3) 165 atf_check -s exit:0 -o match:"$pkt" cat ./out 166 # The new address left tentative 167 atf_check -s exit:0 -o not-match:'10\.0\.0\.3.+TENTATIVE' \ 168 rump.ifconfig shmif0 169 170 rump_server_destroy_ifaces 171 } 172 173 dad_duplicated_body() 174 { 175 local localip1=10.0.1.1 176 local localip2=10.0.1.11 177 local peerip=10.0.1.2 178 179 rump_server_start $SOCKLOCAL 180 rump_server_start $SOCKPEER 181 182 setup_server $SOCKLOCAL $localip1 183 setup_server $SOCKPEER $peerip 184 185 export RUMP_SERVER=$SOCKLOCAL 186 187 # The primary address isn't marked as duplicated 188 atf_check -s exit:0 -o not-match:"${localip1}.+DUPLICATED" \ 189 rump.ifconfig shmif0 190 191 # 192 # Add a new address duplicated with the peer server 193 # 194 atf_check -s exit:0 rump.ifconfig shmif0 inet $peerip alias 195 atf_check -s exit:0 sleep 2 196 197 # The new address is marked as duplicated 198 atf_check -s exit:0 -o match:"${peerip}.+DUPLICATED" \ 199 rump.ifconfig shmif0 200 201 # A unique address isn't marked as duplicated 202 atf_check -s exit:0 rump.ifconfig shmif0 inet $localip2 alias 203 atf_check -s exit:0 sleep 2 204 atf_check -s exit:0 -o not-match:"${localip2}.+DUPLICATED" \ 205 rump.ifconfig shmif0 206 207 rump_server_destroy_ifaces 208 } 209 210 dad_duplicated_nodad_body() 211 { 212 local localip1=10.0.1.1 213 local localip2=10.0.1.11 214 local peerip=10.0.1.2 215 local lmac= pmac= 216 217 rump_server_start $SOCKLOCAL 218 rump_server_start $SOCKPEER 219 220 export RUMP_SERVER=$SOCKLOCAL 221 atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.ip.dad_count=0 222 export RUMP_SERVER=$SOCKPEER 223 atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.ip.dad_count=0 224 225 setup_server $SOCKLOCAL $localip1 226 setup_server $SOCKPEER $peerip 227 228 export RUMP_SERVER=$SOCKLOCAL 229 230 # The primary address isn't marked as duplicated 231 atf_check -s exit:0 -o not-match:"${localip1}.+DUPLICATED" \ 232 rump.ifconfig shmif0 233 234 extract_new_packets bus1 > ./out 235 236 # GARP packets are sent 237 pkt=$(make_pkt_str $localip1 $localip1) 238 atf_check -s exit:0 -o match:"$pkt" cat ./out 239 pkt=$(make_pkt_str $peerip $peerip) 240 atf_check -s exit:0 -o match:"$pkt" cat ./out 241 242 # No DAD probe packets are sent 243 pkt=$(make_pkt_str $localip1 0.0.0.0) 244 atf_check -s exit:0 -o not-match:"$pkt" cat ./out 245 pkt=$(make_pkt_str $peerip 0.0.0.0) 246 atf_check -s exit:0 -o not-match:"$pkt" cat ./out 247 248 # 249 # Add a new address duplicated with the peer server 250 # 251 atf_check -s exit:0 rump.ifconfig shmif0 inet $peerip alias 252 atf_check -s exit:0 sleep 2 253 254 # The new address is NOT marked as duplicated 255 atf_check -s exit:0 -o not-match:"${peerip}.+DUPLICATED" \ 256 rump.ifconfig shmif0 257 258 lmac=$(get_macaddr $SOCKLOCAL) 259 pmac=$(get_macaddr $SOCKPEER) 260 extract_new_packets bus1 > ./out 261 262 # The peer just replies a GARP of the peer 263 pkt=$(make_reply_str $pmac $lmac $peerip) 264 atf_check -s exit:0 -o match:"$pkt" cat ./out 265 266 # A unique address isn't marked as duplicated 267 atf_check -s exit:0 rump.ifconfig shmif0 inet $localip2 alias 268 atf_check -s exit:0 sleep 2 269 atf_check -s exit:0 -o not-match:"${localip2}.+DUPLICATED" \ 270 rump.ifconfig shmif0 271 272 rump_server_destroy_ifaces 273 } 274 275 dad_basic_cleanup() 276 { 277 $DEBUG && dump 278 cleanup 279 } 280 281 dad_duplicated_cleanup() 282 { 283 $DEBUG && dump 284 cleanup 285 } 286 287 dad_duplicated_nodad_cleanup() 288 { 289 290 $DEBUG && dump 291 cleanup 292 } 293 294 atf_init_test_cases() 295 { 296 atf_add_test_case dad_basic 297 atf_add_test_case dad_duplicated 298 atf_add_test_case dad_duplicated_nodad 299 } 300
Indexes created Sat Sep 20 22:09:52 GMT 2025