t_dad.sh revision 1.9
1 # $NetBSD: t_dad.sh,v 1.9 2016/11/07 05:25:37 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="$inetserver -lrumpnet_netinet6 -lrumpnet_shmif" 30 inetserver="$inetserver -lrumpdev" 31 HIJACKING="env LD_PRELOAD=/usr/lib/librumphijack.so RUMPHIJACK=sysctl=yes" 32 33 SOCKLOCAL=unix://commsock1 34 SOCKPEER=unix://commsock2 35 36 DEBUG=${DEBUG:-false} 37 38 duplicated="[Dd][Uu][Pp][Ll][Ii][Cc][Aa][Tt][Ee][Dd]" 39 40 atf_test_case dad_basic cleanup 41 atf_test_case dad_duplicated cleanup 42 atf_test_case dad_count cleanup 43 44 dad_basic_head() 45 { 46 atf_set "descr" "Tests for IPv6 DAD basic behavior" 47 atf_set "require.progs" "rump_server" 48 } 49 50 dad_duplicated_head() 51 { 52 atf_set "descr" "Tests for IPv6 DAD duplicated state" 53 atf_set "require.progs" "rump_server" 54 } 55 56 dad_count_head() 57 { 58 atf_set "descr" "Tests for IPv6 DAD count behavior" 59 atf_set "require.progs" "rump_server" 60 } 61 62 setup_server() 63 { 64 local sock=$1 65 local ip=$2 66 67 export RUMP_SERVER=$sock 68 69 atf_check -s exit:0 rump.ifconfig shmif0 create 70 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 71 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip 72 atf_check -s exit:0 rump.ifconfig shmif0 up 73 atf_check -s exit:0 rump.ifconfig -w 10 74 75 $DEBUG && rump.ifconfig shmif0 76 } 77 78 make_ns_pkt_str() 79 { 80 local id=$1 81 local target=$2 82 pkt="33:33:ff:00:00:0${id}, ethertype IPv6 (0x86dd), length 78: ::" 83 pkt="$pkt > ff02::1:ff00:${id}: ICMP6, neighbor solicitation," 84 pkt="$pkt who has $target, length 24" 85 echo $pkt 86 } 87 88 extract_new_packets() 89 { 90 local old=./old 91 92 if [ ! -f $old ]; then 93 old=/dev/null 94 fi 95 96 shmif_dumpbus -p - bus1 2>/dev/null| \ 97 tcpdump -n -e -r - 2>/dev/null > ./new 98 diff -u $old ./new |grep '^+' |cut -d '+' -f 2 > ./diff 99 mv -f ./new ./old 100 cat ./diff 101 } 102 103 dad_basic_body() 104 { 105 local pkt= 106 local localip1=fc00::1 107 local localip2=fc00::2 108 local localip3=fc00::3 109 110 atf_check -s exit:0 ${inetserver} $SOCKLOCAL 111 export RUMP_SERVER=$SOCKLOCAL 112 113 atf_check -s exit:0 rump.ifconfig shmif0 create 114 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 115 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip1 116 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip2 117 $DEBUG && rump.ifconfig shmif0 118 119 atf_check -s exit:0 rump.ifconfig shmif0 up 120 rump.ifconfig shmif0 > ./out 121 $DEBUG && cat ./out 122 123 # The primary address doesn't start with tentative state 124 atf_check -s not-exit:0 -x "cat ./out |grep $localip1 |grep -q tentative" 125 # The alias address starts with tentative state 126 # XXX we have no stable way to check this, so skip for now 127 #atf_check -s exit:0 -x "cat ./out |grep $localip2 |grep -q tentative" 128 129 atf_check -s exit:0 sleep 2 130 extract_new_packets > ./out 131 $DEBUG && cat ./out 132 133 # Check DAD probe packets (Neighbor Solicitation Message) 134 pkt=$(make_ns_pkt_str 2 $localip2) 135 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 136 # No DAD for the primary address 137 pkt=$(make_ns_pkt_str 1 $localip1) 138 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 139 140 # Waiting for DAD complete 141 atf_check -s exit:0 rump.ifconfig -w 10 142 extract_new_packets > ./out 143 $DEBUG && cat ./out 144 145 # IPv6 DAD doesn't announce (Neighbor Advertisement Message) 146 147 # The alias address left tentative 148 atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep $localip2 |grep -q tentative" 149 150 # 151 # Add a new address on the fly 152 # 153 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip3 154 155 # The new address starts with tentative state 156 # XXX we have no stable way to check this, so skip for now 157 #atf_check -s exit:0 -x "rump.ifconfig shmif0 |grep $localip3 |grep -q tentative" 158 159 # Check DAD probe packets (Neighbor Solicitation Message) 160 atf_check -s exit:0 sleep 2 161 extract_new_packets > ./out 162 $DEBUG && cat ./out 163 pkt=$(make_ns_pkt_str 3 $localip3) 164 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 165 166 # Waiting for DAD complete 167 atf_check -s exit:0 rump.ifconfig -w 10 168 extract_new_packets > ./out 169 $DEBUG && cat ./out 170 171 # IPv6 DAD doesn't announce (Neighbor Advertisement Message) 172 173 # The new address left tentative 174 atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep $localip3 |grep -q tentative" 175 } 176 177 dad_duplicated_body() 178 { 179 local localip1=fc00::1 180 local localip2=fc00::11 181 local peerip=fc00::2 182 183 atf_check -s exit:0 ${inetserver} $SOCKLOCAL 184 atf_check -s exit:0 ${inetserver} $SOCKPEER 185 186 setup_server $SOCKLOCAL $localip1 187 setup_server $SOCKPEER $peerip 188 189 export RUMP_SERVER=$SOCKLOCAL 190 191 # The primary address isn't marked as duplicated 192 atf_check -s exit:0 -o not-match:"$localip1.+$duplicated" \ 193 rump.ifconfig shmif0 194 195 # 196 # Add a new address duplicated with the peer server 197 # 198 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $peerip 199 atf_check -s exit:0 sleep 1 200 201 # The new address is marked as duplicated 202 atf_check -s exit:0 -o match:"$peerip.+$duplicated" \ 203 rump.ifconfig shmif0 204 205 # A unique address isn't marked as duplicated 206 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip2 207 atf_check -s exit:0 sleep 1 208 atf_check -s exit:0 -o not-match:"$localip2.+$duplicated" \ 209 rump.ifconfig shmif0 210 } 211 212 dad_count_test() 213 { 214 local pkt= 215 local count=$1 216 local id=$2 217 local target=$3 218 219 # 220 # Set DAD count to $count 221 # 222 atf_check -s exit:0 rump.sysctl -w -q net.inet6.ip6.dad_count=$count 223 224 # Add a new address 225 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $target 226 227 # Waiting for DAD complete 228 atf_check -s exit:0 rump.ifconfig -w 20 229 230 # Check the number of DAD probe packets (Neighbor Solicitation Message) 231 atf_check -s exit:0 sleep 2 232 extract_new_packets > ./out 233 $DEBUG && cat ./out 234 pkt=$(make_ns_pkt_str $id $target) 235 atf_check -s exit:0 -o match:"$count" \ 236 -x "cat ./out |grep '$pkt' | wc -l | tr -d ' '" 237 } 238 239 dad_count_body() 240 { 241 local localip1=fc00::1 242 local localip2=fc00::2 243 244 atf_check -s exit:0 ${inetserver} $SOCKLOCAL 245 export RUMP_SERVER=$SOCKLOCAL 246 247 # Check default value 248 atf_check -s exit:0 -o match:"1" rump.sysctl -n net.inet6.ip6.dad_count 249 250 # Setup interface 251 atf_check -s exit:0 rump.ifconfig shmif0 create 252 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 253 atf_check -s exit:0 rump.ifconfig shmif0 up 254 atf_check -s exit:0 sleep 2 255 rump.ifconfig shmif0 > ./out 256 $DEBUG && cat ./out 257 258 # 259 # Set and test DAD count (count=1) 260 # 261 dad_count_test 1 1 $localip1 262 263 # 264 # Set and test DAD count (count=8) 265 # 266 dad_count_test 8 2 $localip2 267 } 268 269 cleanup() 270 { 271 gdb -ex bt /usr/bin/rump_server rump_server.core 272 gdb -ex bt /usr/sbin/arp arp.core 273 env RUMP_SERVER=$SOCKLOCAL rump.halt 274 env RUMP_SERVER=$SOCKPEER rump.halt 275 } 276 277 dump_local() 278 { 279 export RUMP_SERVER=$SOCKLOCAL 280 rump.netstat -nr 281 rump.arp -n -a 282 rump.ifconfig 283 $HIJACKING dmesg 284 } 285 286 dump_peer() 287 { 288 export RUMP_SERVER=$SOCKPEER 289 rump.netstat -nr 290 rump.arp -n -a 291 rump.ifconfig 292 $HIJACKING dmesg 293 } 294 295 dump() 296 { 297 dump_local 298 dump_peer 299 shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 300 } 301 302 dad_basic_cleanup() 303 { 304 $DEBUG && dump_local 305 $DEBUG && shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 306 env RUMP_SERVER=$SOCKLOCAL rump.halt 307 } 308 309 dad_duplicated_cleanup() 310 { 311 $DEBUG && dump 312 cleanup 313 } 314 315 dad_count_cleanup() 316 { 317 $DEBUG && dump_local 318 $DEBUG && shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 319 env RUMP_SERVER=$SOCKLOCAL rump.halt 320 } 321 322 atf_init_test_cases() 323 { 324 atf_add_test_case dad_basic 325 atf_add_test_case dad_duplicated 326 atf_add_test_case dad_count 327 } 328
Indexes created Tue Oct 14 00:09:49 GMT 2025