t_dad.sh revision 1.6
1 # $NetBSD: t_dad.sh,v 1.6 2016/09/16 00:14:33 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=false 37 38 atf_test_case dad_basic cleanup 39 atf_test_case dad_duplicated cleanup 40 41 dad_basic_head() 42 { 43 atf_set "descr" "Tests for IPv6 DAD basic behavior" 44 atf_set "require.progs" "rump_server" 45 } 46 47 dad_duplicated_head() 48 { 49 atf_set "descr" "Tests for IPv6 DAD duplicated state" 50 atf_set "require.progs" "rump_server" 51 } 52 53 setup_server() 54 { 55 local sock=$1 56 local ip=$2 57 58 export RUMP_SERVER=$sock 59 60 atf_check -s exit:0 rump.ifconfig shmif0 create 61 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 62 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $ip 63 atf_check -s exit:0 rump.ifconfig shmif0 up 64 atf_check -s exit:0 rump.ifconfig -w 10 65 66 $DEBUG && rump.ifconfig shmif0 67 } 68 69 make_ns_pkt_str() 70 { 71 local id=$1 72 local target=$2 73 pkt="33:33:ff:00:00:0${id}, ethertype IPv6 (0x86dd), length 78: ::" 74 pkt="$pkt > ff02::1:ff00:${id}: ICMP6, neighbor solicitation," 75 pkt="$pkt who has $target, length 24" 76 echo $pkt 77 } 78 79 extract_new_packets() 80 { 81 local old=./old 82 83 if [ ! -f $old ]; then 84 old=/dev/null 85 fi 86 87 shmif_dumpbus -p - bus1 2>/dev/null| \ 88 tcpdump -n -e -r - 2>/dev/null > ./new 89 diff -u $old ./new |grep '^+' |cut -d '+' -f 2 > ./diff 90 mv -f ./new ./old 91 cat ./diff 92 } 93 94 dad_basic_body() 95 { 96 local pkt= 97 local localip1=fc00::1 98 local localip2=fc00::2 99 local localip3=fc00::3 100 101 atf_check -s exit:0 ${inetserver} $SOCKLOCAL 102 export RUMP_SERVER=$SOCKLOCAL 103 104 atf_check -s exit:0 rump.ifconfig shmif0 create 105 atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1 106 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip1 107 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip2 108 $DEBUG && rump.ifconfig shmif0 109 110 atf_check -s exit:0 rump.ifconfig shmif0 up 111 rump.ifconfig shmif0 > ./out 112 $DEBUG && cat ./out 113 114 # The primary address doesn't start with tentative state 115 atf_check -s not-exit:0 -x "cat ./out |grep $localip1 |grep -q tentative" 116 # The alias address starts with tentative state 117 # XXX we have no stable way to check this, so skip for now 118 #atf_check -s exit:0 -x "cat ./out |grep $localip2 |grep -q tentative" 119 120 atf_check -s exit:0 sleep 2 121 extract_new_packets > ./out 122 $DEBUG && cat ./out 123 124 # Check DAD probe packets (Neighbor Solicitation Message) 125 pkt=$(make_ns_pkt_str 2 $localip2) 126 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 127 # No DAD for the primary address 128 pkt=$(make_ns_pkt_str 1 $localip1) 129 atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'" 130 131 # Waiting for DAD complete 132 atf_check -s exit:0 rump.ifconfig -w 10 133 extract_new_packets > ./out 134 $DEBUG && cat ./out 135 136 # IPv6 DAD doesn't announce (Neighbor Advertisement Message) 137 138 # The alias address left tentative 139 atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep $localip2 |grep -q tentative" 140 141 # 142 # Add a new address on the fly 143 # 144 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip3 145 146 # The new address starts with tentative state 147 # XXX we have no stable way to check this, so skip for now 148 #atf_check -s exit:0 -x "rump.ifconfig shmif0 |grep $localip3 |grep -q tentative" 149 150 # Check DAD probe packets (Neighbor Solicitation Message) 151 atf_check -s exit:0 sleep 2 152 extract_new_packets > ./out 153 $DEBUG && cat ./out 154 pkt=$(make_ns_pkt_str 3 $localip3) 155 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'" 156 157 # Waiting for DAD complete 158 atf_check -s exit:0 rump.ifconfig -w 10 159 extract_new_packets > ./out 160 $DEBUG && cat ./out 161 162 # IPv6 DAD doesn't announce (Neighbor Advertisement Message) 163 164 # The new address left tentative 165 atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep $localip3 |grep -q tentative" 166 } 167 168 dad_duplicated_body() 169 { 170 local localip1=fc00::1 171 local localip2=fc00::11 172 local peerip=fc00::2 173 174 atf_check -s exit:0 ${inetserver} $SOCKLOCAL 175 atf_check -s exit:0 ${inetserver} $SOCKPEER 176 177 setup_server $SOCKLOCAL $localip1 178 setup_server $SOCKPEER $peerip 179 180 export RUMP_SERVER=$SOCKLOCAL 181 182 # The primary address isn't marked as duplicated 183 atf_check -s exit:0 -o not-match:'DUPLICATED' \ 184 -x "rump.ifconfig shmif0 |grep $localip1" 185 186 # 187 # Add a new address duplicated with the peer server 188 # 189 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $peerip 190 atf_check -s exit:0 sleep 1 191 192 # The new address is marked as duplicated 193 atf_check -s exit:0 -o match:'DUPLICATED' \ 194 -x "rump.ifconfig shmif0 |grep $peerip" 195 196 # A unique address isn't marked as duplicated 197 atf_check -s exit:0 rump.ifconfig shmif0 inet6 $localip2 198 atf_check -s exit:0 sleep 1 199 atf_check -s exit:0 -o not-match:'DUPLICATED' \ 200 -x "rump.ifconfig shmif0 |grep $localip2" 201 } 202 203 cleanup() 204 { 205 gdb -ex bt /usr/bin/rump_server rump_server.core 206 gdb -ex bt /usr/sbin/arp arp.core 207 env RUMP_SERVER=$SOCKLOCAL rump.halt 208 env RUMP_SERVER=$SOCKPEER rump.halt 209 } 210 211 dump_local() 212 { 213 export RUMP_SERVER=$SOCKLOCAL 214 rump.netstat -nr 215 rump.arp -n -a 216 rump.ifconfig 217 $HIJACKING dmesg 218 } 219 220 dump_peer() 221 { 222 export RUMP_SERVER=$SOCKPEER 223 rump.netstat -nr 224 rump.arp -n -a 225 rump.ifconfig 226 $HIJACKING dmesg 227 } 228 229 dump() 230 { 231 dump_local 232 dump_peer 233 shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 234 } 235 236 dad_basic_cleanup() 237 { 238 $DEBUG && dump_local 239 $DEBUG && shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - 240 env RUMP_SERVER=$SOCKLOCAL rump.halt 241 } 242 243 dad_duplicated_cleanup() 244 { 245 $DEBUG && dump 246 cleanup 247 } 248 249 atf_init_test_cases() 250 { 251 atf_add_test_case dad_basic 252 atf_add_test_case dad_duplicated 253 } 254
Indexes created Tue Oct 14 01:09:49 GMT 2025