t_dad.sh revision 1.4.2.1
1 # $NetBSD: t_dad.sh,v 1.4.2.1 2016/11/04 14:49:24 pgoyette 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 SOCKLOCAL=unix://commsock1 33 SOCKPEER=unix://commsock2 34 35 DEBUG=false 36 37 duplicated="[Dd][Uu][Pp][Ll][Ii][Cc][Aa][Tt][Ee][Dd]" 38 39 atf_test_case dad_basic cleanup 40 atf_test_case dad_duplicated cleanup 41 atf_test_case dad_count cleanup 42 43 dad_basic_head() 44 { 45 atf_set "descr" "Tests for IPv6 DAD basic behavior" 46 atf_set "require.progs" "rump_server" 47 } 48 49 dad_duplicated_head() 50 { 51 atf_set "descr" "Tests for IPv6 DAD duplicated state" 52 atf_set "require.progs" "rump_server" 53 } 54 55 dad_count_head() 56 { 57 atf_set "descr" "Tests for IPv6 DAD count behavior" 58 atf_set "require.progs" "rump_server" 59 } 60 61 setup_server() 62 { 63 local sock=$1 64 local ip=$2 65 66 export RUMP_SERVER=$sock 67 68 atf_check -s exit:0 rump.ifconfig shmif0 create 69 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 70 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip 71 atf_check -s exit:0 rump.ifconfig shmif0 up 72 atf_check -s exit:0 rump.ifconfig -w 10 73 74 $DEBUG && rump.ifconfig shmif0 75 } 76 77 make_ns_pkt_str() 78 { 79 local id=$1 80 local target=$2 81 pkt="33:33:ff:00:00:0${id}, ethertype IPv6 (0x86dd), length 78: ::" 82 pkt="$pkt > ff02::1:ff00:${id}: ICMP6, neighbor solicitation," 83 pkt="$pkt who has $target, length 24" 84 echo $pkt 85 } 86 87 extract_new_packets() 88 { 89 local old=./old 90 91 if [ ! -f $old ]; then 92 old=/dev/null 93 fi 94 95 shmif_dumpbus -p - bus1 2>/dev/null| \ 96 tcpdump -n -e -r - 2>/dev/null > ./new 97 diff -u $old ./new |grep '^+' |cut -d '+' -f 2 > ./diff 98 mv -f ./new ./old 99 cat ./diff 100 } 101 102 dad_basic_body() 103 { 104 local pkt= 105 local localip1=fc00::1 106 local localip2=fc00::2 107 local localip3=fc00::3 108 109 atf_check -s exit:0 ${inetserver} $SOCKLOCAL 110 export RUMP_SERVER=$SOCKLOCAL 111 112 atf_check -s exit:0 rump.ifconfig shmif0 create 113 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 114 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip1 115 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip2 116 $DEBUG && rump.ifconfig shmif0 117 118 atf_check -s exit:0 rump.ifconfig shmif0 up 119 rump.ifconfig shmif0 > ./out 120 $DEBUG && cat ./out 121 122 # The primary address doesn't start with tentative state 123 atf_check -s not-exit:0 -x "cat ./out |grep $localip1 |grep -q tentative" 124 # The alias address starts with tentative state 125 # XXX we have no stable way to check this, so skip for now 126 #atf_check -s exit:0 -x "cat ./out |grep $localip2 |grep -q tentative" 127 128 atf_check -s exit:0 sleep 2 129 extract_new_packets > ./out 130 $DEBUG && cat ./out 131 132 # Check DAD probe packets (Neighbor Solicitation Message) 133 pkt=$(make_ns_pkt_str 2 $localip2) 134 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 135 # No DAD for the primary address 136 pkt=$(make_ns_pkt_str 1 $localip1) 137 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 138 139 # Waiting for DAD complete 140 atf_check -s exit:0 rump.ifconfig -w 10 141 extract_new_packets > ./out 142 $DEBUG && cat ./out 143 144 # IPv6 DAD doesn't announce (Neighbor Advertisement Message) 145 146 # The alias address left tentative 147 atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep $localip2 |grep -q tentative" 148 149 # 150 # Add a new address on the fly 151 # 152 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip3 153 154 # The new address starts with tentative state 155 # XXX we have no stable way to check this, so skip for now 156 #atf_check -s exit:0 -x "rump.ifconfig shmif0 |grep $localip3 |grep -q tentative" 157 158 # Check DAD probe packets (Neighbor Solicitation Message) 159 atf_check -s exit:0 sleep 2 160 extract_new_packets > ./out 161 $DEBUG && cat ./out 162 pkt=$(make_ns_pkt_str 3 $localip3) 163 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 164 165 # Waiting for DAD complete 166 atf_check -s exit:0 rump.ifconfig -w 10 167 extract_new_packets > ./out 168 $DEBUG && cat ./out 169 170 # IPv6 DAD doesn't announce (Neighbor Advertisement Message) 171 172 # The new address left tentative 173 atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep $localip3 |grep -q tentative" 174 } 175 176 dad_duplicated_body() 177 { 178 local localip1=fc00::1 179 local localip2=fc00::11 180 local peerip=fc00::2 181 182 atf_check -s exit:0 ${inetserver} $SOCKLOCAL 183 atf_check -s exit:0 ${inetserver} $SOCKPEER 184 185 setup_server $SOCKLOCAL $localip1 186 setup_server $SOCKPEER $peerip 187 188 export RUMP_SERVER=$SOCKLOCAL 189 190 # The primary address isn't marked as duplicated 191 atf_check -s exit:0 -o not-match:"$localip1.+$duplicated" \ 192 rump.ifconfig shmif0 193 194 # 195 # Add a new address duplicated with the peer server 196 # 197 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $peerip 198 atf_check -s exit:0 sleep 1 199 200 # The new address is marked as duplicated 201 atf_check -s exit:0 -o match:"$peerip.+$duplicated" \ 202 rump.ifconfig shmif0 203 204 # A unique address isn't marked as duplicated 205 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip2 206 atf_check -s exit:0 sleep 1 207 atf_check -s exit:0 -o not-match:"$localip2.+$duplicated" \ 208 rump.ifconfig shmif0 209 } 210 211 dad_count_test() 212 { 213 local pkt= 214 local count=$1 215 local id=$2 216 local target=$3 217 218 # 219 # Set DAD count to $count 220 # 221 atf_check -s exit:0 rump.sysctl -w -q net.inet6.ip6.dad_count=$count 222 223 # Add a new address 224 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $target 225 226 # Waiting for DAD complete 227 atf_check -s exit:0 rump.ifconfig -w 20 228 229 # Check the number of DAD probe packets (Neighbor Solicitation Message) 230 atf_check -s exit:0 sleep 2 231 extract_new_packets > ./out 232 $DEBUG && cat ./out 233 pkt=$(make_ns_pkt_str $id $target) 234 atf_check -s exit:0 -o match:"$count" \ 235 -x "cat ./out |grep '$pkt' | wc -l | tr -d ' '" 236 } 237 238 dad_count_body() 239 { 240 local localip1=fc00::1 241 local localip2=fc00::2 242 243 atf_check -s exit:0 ${inetserver} $SOCKLOCAL 244 export RUMP_SERVER=$SOCKLOCAL 245 246 # Check default value 247 atf_check -s exit:0 -o match:"1" rump.sysctl -n net.inet6.ip6.dad_count 248 249 # Setup interface 250 atf_check -s exit:0 rump.ifconfig shmif0 create 251 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 252 atf_check -s exit:0 rump.ifconfig shmif0 up 253 atf_check -s exit:0 sleep 2 254 rump.ifconfig shmif0 > ./out 255 $DEBUG && cat ./out 256 257 # 258 # Set and test DAD count (count=1) 259 # 260 dad_count_test 1 1 $localip1 261 262 # 263 # Set and test DAD count (count=8) 264 # 265 dad_count_test 8 2 $localip2 266 } 267 268 cleanup() 269 { 270 gdb -ex bt /usr/bin/rump_server rump_server.core 271 gdb -ex bt /usr/sbin/arp arp.core 272 env RUMP_SERVER=$SOCKLOCAL rump.halt 273 env RUMP_SERVER=$SOCKPEER rump.halt 274 } 275 276 dump_local() 277 { 278 export RUMP_SERVER=$SOCKLOCAL 279 rump.netstat -nr 280 rump.arp -n -a 281 rump.ifconfig 282 $HIJACKING dmesg 283 } 284 285 dump_peer() 286 { 287 export RUMP_SERVER=$SOCKPEER 288 rump.netstat -nr 289 rump.arp -n -a 290 rump.ifconfig 291 $HIJACKING dmesg 292 } 293 294 dump() 295 { 296 dump_local 297 dump_peer 298 shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 299 } 300 301 dad_basic_cleanup() 302 { 303 $DEBUG && dump_local 304 $DEBUG && shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 305 env RUMP_SERVER=$SOCKLOCAL rump.halt 306 } 307 308 dad_duplicated_cleanup() 309 { 310 $DEBUG && dump 311 cleanup 312 } 313 314 dad_count_cleanup() 315 { 316 $DEBUG && dump_local 317 $DEBUG && shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 318 env RUMP_SERVER=$SOCKLOCAL rump.halt 319 } 320 321 atf_init_test_cases() 322 { 323 atf_add_test_case dad_basic 324 atf_add_test_case dad_duplicated 325 atf_add_test_case dad_count 326 } 327
Indexes created Mon Oct 13 16:09:52 GMT 2025