t_dad.sh revision 1.10
1 # $NetBSD: t_dad.sh,v 1.10 2016/11/24 08:52:20 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 dad_basic_body() 89 { 90 local pkt= 91 local localip1=fc00::1 92 local localip2=fc00::2 93 local localip3=fc00::3 94 95 atf_check -s exit:0 ${inetserver} $SOCKLOCAL 96 export RUMP_SERVER=$SOCKLOCAL 97 98 atf_check -s exit:0 rump.ifconfig shmif0 create 99 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 100 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip1 101 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip2 102 $DEBUG && rump.ifconfig shmif0 103 104 atf_check -s exit:0 rump.ifconfig shmif0 up 105 rump.ifconfig shmif0 > ./out 106 $DEBUG && cat ./out 107 108 # The primary address doesn't start with tentative state 109 atf_check -s not-exit:0 -x "cat ./out |grep $localip1 |grep -q tentative" 110 # The alias address starts with tentative state 111 # XXX we have no stable way to check this, so skip for now 112 #atf_check -s exit:0 -x "cat ./out |grep $localip2 |grep -q tentative" 113 114 atf_check -s exit:0 sleep 2 115 extract_new_packets bus1 > ./out 116 $DEBUG && cat ./out 117 118 # Check DAD probe packets (Neighbor Solicitation Message) 119 pkt=$(make_ns_pkt_str 2 $localip2) 120 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 121 # No DAD for the primary address 122 pkt=$(make_ns_pkt_str 1 $localip1) 123 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 124 125 # Waiting for DAD complete 126 atf_check -s exit:0 rump.ifconfig -w 10 127 extract_new_packets bus1 > ./out 128 $DEBUG && cat ./out 129 130 # IPv6 DAD doesn't announce (Neighbor Advertisement Message) 131 132 # The alias address left tentative 133 atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep $localip2 |grep -q tentative" 134 135 # 136 # Add a new address on the fly 137 # 138 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip3 139 140 # The new address starts with tentative state 141 # XXX we have no stable way to check this, so skip for now 142 #atf_check -s exit:0 -x "rump.ifconfig shmif0 |grep $localip3 |grep -q tentative" 143 144 # Check DAD probe packets (Neighbor Solicitation Message) 145 atf_check -s exit:0 sleep 2 146 extract_new_packets bus1 > ./out 147 $DEBUG && cat ./out 148 pkt=$(make_ns_pkt_str 3 $localip3) 149 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 150 151 # Waiting for DAD complete 152 atf_check -s exit:0 rump.ifconfig -w 10 153 extract_new_packets bus1 > ./out 154 $DEBUG && cat ./out 155 156 # IPv6 DAD doesn't announce (Neighbor Advertisement Message) 157 158 # The new address left tentative 159 atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep $localip3 |grep -q tentative" 160 } 161 162 dad_duplicated_body() 163 { 164 local localip1=fc00::1 165 local localip2=fc00::11 166 local peerip=fc00::2 167 168 atf_check -s exit:0 ${inetserver} $SOCKLOCAL 169 atf_check -s exit:0 ${inetserver} $SOCKPEER 170 171 setup_server $SOCKLOCAL $localip1 172 setup_server $SOCKPEER $peerip 173 174 export RUMP_SERVER=$SOCKLOCAL 175 176 # The primary address isn't marked as duplicated 177 atf_check -s exit:0 -o not-match:"$localip1.+$duplicated" \ 178 rump.ifconfig shmif0 179 180 # 181 # Add a new address duplicated with the peer server 182 # 183 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $peerip 184 atf_check -s exit:0 sleep 1 185 186 # The new address is marked as duplicated 187 atf_check -s exit:0 -o match:"$peerip.+$duplicated" \ 188 rump.ifconfig shmif0 189 190 # A unique address isn't marked as duplicated 191 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip2 192 atf_check -s exit:0 sleep 1 193 atf_check -s exit:0 -o not-match:"$localip2.+$duplicated" \ 194 rump.ifconfig shmif0 195 } 196 197 dad_count_test() 198 { 199 local pkt= 200 local count=$1 201 local id=$2 202 local target=$3 203 204 # 205 # Set DAD count to $count 206 # 207 atf_check -s exit:0 rump.sysctl -w -q net.inet6.ip6.dad_count=$count 208 209 # Add a new address 210 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $target 211 212 # Waiting for DAD complete 213 atf_check -s exit:0 rump.ifconfig -w 20 214 215 # Check the number of DAD probe packets (Neighbor Solicitation Message) 216 atf_check -s exit:0 sleep 2 217 extract_new_packets bus1 > ./out 218 $DEBUG && cat ./out 219 pkt=$(make_ns_pkt_str $id $target) 220 atf_check -s exit:0 -o match:"$count" \ 221 -x "cat ./out |grep '$pkt' | wc -l | tr -d ' '" 222 } 223 224 dad_count_body() 225 { 226 local localip1=fc00::1 227 local localip2=fc00::2 228 229 atf_check -s exit:0 ${inetserver} $SOCKLOCAL 230 export RUMP_SERVER=$SOCKLOCAL 231 232 # Check default value 233 atf_check -s exit:0 -o match:"1" rump.sysctl -n net.inet6.ip6.dad_count 234 235 # Setup interface 236 atf_check -s exit:0 rump.ifconfig shmif0 create 237 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 238 atf_check -s exit:0 rump.ifconfig shmif0 up 239 atf_check -s exit:0 sleep 2 240 rump.ifconfig shmif0 > ./out 241 $DEBUG && cat ./out 242 243 # 244 # Set and test DAD count (count=1) 245 # 246 dad_count_test 1 1 $localip1 247 248 # 249 # Set and test DAD count (count=8) 250 # 251 dad_count_test 8 2 $localip2 252 } 253 254 cleanup() 255 { 256 gdb -ex bt /usr/bin/rump_server rump_server.core 257 gdb -ex bt /usr/sbin/arp arp.core 258 env RUMP_SERVER=$SOCKLOCAL rump.halt 259 env RUMP_SERVER=$SOCKPEER rump.halt 260 } 261 262 dump_local() 263 { 264 export RUMP_SERVER=$SOCKLOCAL 265 rump.netstat -nr 266 rump.arp -n -a 267 rump.ifconfig 268 $HIJACKING dmesg 269 } 270 271 dump_peer() 272 { 273 export RUMP_SERVER=$SOCKPEER 274 rump.netstat -nr 275 rump.arp -n -a 276 rump.ifconfig 277 $HIJACKING dmesg 278 } 279 280 dump() 281 { 282 dump_local 283 dump_peer 284 shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 285 } 286 287 dad_basic_cleanup() 288 { 289 $DEBUG && dump_local 290 $DEBUG && shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 291 env RUMP_SERVER=$SOCKLOCAL rump.halt 292 } 293 294 dad_duplicated_cleanup() 295 { 296 $DEBUG && dump 297 cleanup 298 } 299 300 dad_count_cleanup() 301 { 302 $DEBUG && dump_local 303 $DEBUG && shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 304 env RUMP_SERVER=$SOCKLOCAL rump.halt 305 } 306 307 atf_init_test_cases() 308 { 309 atf_add_test_case dad_basic 310 atf_add_test_case dad_duplicated 311 atf_add_test_case dad_count 312 } 313
Indexes created Mon Oct 13 16:09:52 GMT 2025