tests/net/icmp/t_icmp_redirect.sh

   1 #       $NetBSD: t_icmp_redirect.sh,v 1.1 2015/08/31 06:16:08 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 # Most codes are derived from tests/net/route/t_flags.sh
  29
  30 netserver=\
  31 "rump_server -lrumpnet -lrumpnet_net -lrumpnet_netinet -lrumpnet_shmif"
  32 SOCK_LOCAL=unix://commsock1
  33 SOCK_PEER=unix://commsock2
  34 SOCK_GW=unix://commsock3
  35 BUS=bus1
  36 BUS2=bus2
  37 REDIRECT_TIMEOUT=5
  38
  39 DEBUG=false
  40
  41 atf_test_case icmp_redirect_timeout cleanup
  42
  43 icmp_redirect_timeout_head()
  44 {
  45
  46         atf_set "descr" "Tests for ICMP redirect timeout";
  47         atf_set "require.progs" "rump_server";
  48 }
  49
  50 setup_local()
  51 {
  52
  53         atf_check -s exit:0 ${netserver} ${SOCK_LOCAL}
  54
  55         export RUMP_SERVER=$SOCK_LOCAL
  56         atf_check -s exit:0 -o ignore rump.ifconfig shmif0 create
  57         atf_check -s exit:0 -o ignore rump.ifconfig shmif0 linkstr ${BUS}
  58         atf_check -s exit:0 -o ignore rump.ifconfig shmif0 10.0.0.2/24
  59         atf_check -s exit:0 -o ignore rump.ifconfig shmif0 up
  60
  61         atf_check -s exit:0 -o ignore rump.sysctl -w \
  62             net.inet.icmp.redirtimeout=$REDIRECT_TIMEOUT
  63
  64         $DEBUG && rump.ifconfig
  65         $DEBUG && rump.netstat -rn -f inet
  66 }
  67
  68 setup_peer()
  69 {
  70
  71         atf_check -s exit:0 ${netserver} ${SOCK_PEER}
  72
  73         export RUMP_SERVER=$SOCK_PEER
  74         atf_check -s exit:0 -o ignore rump.ifconfig shmif0 create
  75         atf_check -s exit:0 -o ignore rump.ifconfig shmif0 linkstr ${BUS}
  76         atf_check -s exit:0 -o ignore rump.ifconfig shmif0 10.0.0.1/24
  77         atf_check -s exit:0 -o ignore rump.ifconfig shmif0 up
  78
  79         $DEBUG && rump.ifconfig
  80         $DEBUG && rump.netstat -rn -f inet
  81 }
  82
  83 setup_gw()
  84 {
  85
  86         atf_check -s exit:0 ${netserver} ${SOCK_GW}
  87
  88         export RUMP_SERVER=$SOCK_GW
  89         atf_check -s exit:0 -o ignore rump.ifconfig shmif0 create
  90         atf_check -s exit:0 -o ignore rump.ifconfig shmif0 linkstr ${BUS}
  91         atf_check -s exit:0 -o ignore rump.ifconfig shmif0 10.0.0.254/24
  92         atf_check -s exit:0 -o ignore rump.ifconfig shmif0 up
  93
  94         atf_check -s exit:0 -o ignore rump.ifconfig shmif1 create
  95         atf_check -s exit:0 -o ignore rump.ifconfig shmif1 linkstr ${BUS2}
  96         atf_check -s exit:0 -o ignore rump.ifconfig shmif1 10.0.2.1/24
  97         atf_check -s exit:0 -o ignore rump.ifconfig shmif1 alias 10.0.2.2/24
  98         atf_check -s exit:0 -o ignore rump.ifconfig shmif1 up
  99
 100         # Wait until DAD completes (10 sec at most)
 101         atf_check -s exit:0 -o ignore rump.ifconfig -w 10
 102         atf_check -s not-exit:0 -x "rump.ifconfig shmif1 |grep -q tentative"
 103
 104         $DEBUG && rump.ifconfig
 105         $DEBUG && rump.netstat -rn -f inet
 106 }
 107
 108 teardown_gw()
 109 {
 110
 111         env RUMP_SERVER=$SOCK_GW rump.halt
 112 }
 113
 114 check_entry_flags()
 115 {
 116         local ip=$(echo $1 |sed 's/\./\\./g')
 117         local flags=$2
 118
 119         atf_check -s exit:0 -o match:" $flags " -e ignore -x \
 120             "rump.netstat -rn -f inet | grep ^'$ip'"
 121 }
 122
 123 check_entry_gw()
 124 {
 125         local ip=$(echo $1 |sed 's/\./\\./g')
 126         local gw=$2
 127
 128         atf_check -s exit:0 -o match:" $gw " -e ignore -x \
 129             "rump.netstat -rn -f inet | grep ^'$ip'"
 130 }
 131
 132 check_entry_fail()
 133 {
 134         local ip=$(echo $1 |sed 's/\./\\./g')
 135         local flags=$2  # Not used currently
 136
 137         atf_check -s not-exit:0 -e ignore -x \
 138             "rump.netstat -rn -f inet | grep ^'$ip'"
 139 }
 140
 141 icmp_redirect_timeout_body()
 142 {
 143
 144         $DEBUG && ulimit -c unlimited
 145
 146         setup_local
 147         setup_peer
 148
 149         ### Testing Dynamic flag ###
 150
 151         #
 152         # Setup a gateway 10.0.0.254. 10.0.2.1 is behind it.
 153         #
 154         setup_gw
 155
 156         #
 157         # Teach the peer that 10.0.2.* is behind 10.0.0.254
 158         #
 159         export RUMP_SERVER=$SOCK_PEER
 160         atf_check -s exit:0 -o ignore rump.route add -net 10.0.2.0/24 10.0.0.254
 161         # Up, Gateway, Static
 162         check_entry_flags 10.0.2/24 UGS
 163
 164         #
 165         # Setup the default gateway to the peer, 10.0.0.1
 166         #
 167         export RUMP_SERVER=$SOCK_LOCAL
 168         atf_check -s exit:0 -o ignore rump.route add default 10.0.0.1
 169         # Up, Gateway, Static
 170         check_entry_flags default UGS
 171
 172         # Try ping 10.0.2.1
 173         atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 10.0.2.1
 174         $DEBUG && rump.netstat -rn -f inet
 175
 176         # Up, Gateway, Host, Dynamic
 177         check_entry_flags 10.0.2.1 UGHD
 178         check_entry_gw 10.0.2.1 10.0.0.254
 179
 180         atf_check -s exit:0 sleep $((REDIRECT_TIMEOUT + 2))
 181
 182         # The dynamic entry should be expired and removed
 183         check_entry_fail 10.0.2.1
 184
 185         export RUMP_SERVER=$SOCK_PEER
 186         $DEBUG && rump.netstat -rn -f inet
 187
 188         teardown_gw
 189 }
 190
 191 dump()
 192 {
 193
 194         shmif_dumpbus -p - $BUS 2>/dev/null | tcpdump -n -e -r -
 195         gdb -ex bt /usr/bin/rump_server rump_server.core
 196 }
 197
 198 cleanup()
 199 {
 200
 201         env RUMP_SERVER=$SOCK_LOCAL rump.halt
 202         env RUMP_SERVER=$SOCK_PEER rump.halt
 203 }
 204
 205 icmp_redirect_timeout_cleanup()
 206 {
 207
 208         $DEBUG && dump
 209         cleanup
 210 }
 211
 212 atf_init_test_cases()
 213 {
 214
 215         atf_add_test_case icmp_redirect_timeout
 216 }