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[src/trunk]: src Add tests for IPv4 DAD



details:   https://anonhg.NetBSD.org/src/rev/2888c83709a7
branches:  trunk
changeset: 339599:2888c83709a7
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Thu Jul 30 02:52:53 2015 +0000

description:
Add tests for IPv4 DAD

diffstat:

 distrib/sets/lists/tests/mi |    3 +-
 tests/net/arp/Makefile      |    3 +-
 tests/net/arp/t_dad.sh      |  224 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 228 insertions(+), 2 deletions(-)

diffs (261 lines):

diff -r da6ad1adfb7f -r 2888c83709a7 distrib/sets/lists/tests/mi
--- a/distrib/sets/lists/tests/mi       Thu Jul 30 02:51:05 2015 +0000
+++ b/distrib/sets/lists/tests/mi       Thu Jul 30 02:52:53 2015 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.636 2015/07/29 19:18:18 christos Exp $
+# $NetBSD: mi,v 1.637 2015/07/30 02:52:53 ozaki-r Exp $
 #
 # Note: don't delete entries from here - mark them as "obsolete" instead.
 #
@@ -3102,6 +3102,7 @@
 ./usr/tests/net/arp/Atffile                    tests-net-tests         atf,rump
 ./usr/tests/net/arp/Kyuafile                   tests-net-tests         atf,rump,kyua
 ./usr/tests/net/arp/t_arp                      tests-net-tests         atf,rump
+./usr/tests/net/arp/t_dad                      tests-net-tests         atf,rump
 ./usr/tests/net/bpf                            tests-net-tests         compattestfile,atf
 ./usr/tests/net/bpf/Atffile                    tests-net-tests         atf,rump
 ./usr/tests/net/bpf/Kyuafile                   tests-net-tests         atf,rump,kyua
diff -r da6ad1adfb7f -r 2888c83709a7 tests/net/arp/Makefile
--- a/tests/net/arp/Makefile    Thu Jul 30 02:51:05 2015 +0000
+++ b/tests/net/arp/Makefile    Thu Jul 30 02:52:53 2015 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.1 2015/07/29 06:10:10 ozaki-r Exp $
+# $NetBSD: Makefile,v 1.2 2015/07/30 02:52:53 ozaki-r Exp $
 #
 
 .include <bsd.own.mk>
@@ -6,5 +6,6 @@
 TESTSDIR=      ${TESTSBASE}/net/arp
 
 TESTS_SH=      t_arp
+TESTS_SH=      t_dad
 
 .include <bsd.test.mk>
diff -r da6ad1adfb7f -r 2888c83709a7 tests/net/arp/t_dad.sh
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/net/arp/t_dad.sh    Thu Jul 30 02:52:53 2015 +0000
@@ -0,0 +1,224 @@
+#      $NetBSD: t_dad.sh,v 1.1 2015/07/30 02:52:53 ozaki-r Exp $
+#
+# Copyright (c) 2015 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+inetserver="rump_server -lrumpnet -lrumpnet_net -lrumpnet_netinet -lrumpnet_shmif"
+HIJACKING="env LD_PRELOAD=/usr/lib/librumphijack.so RUMPHIJACK=sysctl=yes"
+
+SOCKLOCAL=unix://commsock1
+SOCKPEER=unix://commsock2
+
+DEBUG=false
+
+atf_test_case dad_basic cleanup
+atf_test_case dad_duplicated cleanup
+
+dad_basic_head()
+{
+       atf_set "descr" "Tests for IPv4 DAD basic behavior"
+       atf_set "require.progs" "rump_server"
+}
+
+dad_duplicated_head()
+{
+       atf_set "descr" "Tests for IPv4 DAD duplicated state"
+       atf_set "require.progs" "rump_server"
+}
+
+setup_server()
+{
+       local sock=$1
+       local ip=$2
+
+       export RUMP_SERVER=$sock
+
+       atf_check -s exit:0 rump.ifconfig shmif0 create
+       atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1
+       atf_check -s exit:0 rump.ifconfig shmif0 inet $ip/24
+       atf_check -s exit:0 rump.ifconfig shmif0 up
+       atf_check -s exit:0 rump.ifconfig -w 10
+
+       $DEBUG && rump.ifconfig shmif0
+}
+
+make_pkt_str()
+{
+       local target=$1
+       local sender=$2
+       pkt="> ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42:"
+       pkt="$pkt Request who-has $target tell $sender, length 28"
+       echo $pkt
+}
+
+dad_basic_body()
+{
+       local pkt=
+
+       atf_check -s exit:0 ${inetserver} $SOCKLOCAL
+       export RUMP_SERVER=$SOCKLOCAL
+
+       atf_check -s exit:0 rump.ifconfig shmif0 create
+       atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1
+       atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.1/24
+       atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.2/24 alias
+       atf_check -s exit:0 rump.ifconfig shmif0 up
+       $DEBUG && rump.ifconfig shmif0
+
+       atf_check -s exit:0 sleep 1
+
+       # The primary address is not tentative from the beginning
+       atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep 10.0.0.1 |grep -q tentative"
+       # The alias address is still tentative
+       atf_check -s exit:0 -x "rump.ifconfig shmif0 |grep 10.0.0.2 |grep -q tentative"
+
+       shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - > ./out
+
+       # Check DAD probe packets
+       pkt=$(make_pkt_str 10.0.0.2 0.0.0.0)
+       atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
+       # No DAD for the primary address
+       pkt=$(make_pkt_str 10.0.0.1 0.0.0.0)
+       atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'"
+
+       # Waiting for DAD complete
+       atf_check -s exit:0 rump.ifconfig -w 10
+       shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - |tail -1 > ./out
+
+       # Check the DAD announce packet
+       pkt=$(make_pkt_str 10.0.0.2 10.0.0.2)
+       atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
+       # The alias address left tentative
+       atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep 10.0.0.2 |grep -q tentative"
+
+       #
+       # Add a new address on the fly
+       #
+       atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.3/24 alias
+
+       atf_check -s exit:0 sleep 1
+
+       # The new address is still tentative
+       atf_check -s exit:0 -x "rump.ifconfig shmif0 |grep 10.0.0.3 |grep -q tentative"
+
+       # Check DAD probe packets
+       shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - |tail -1 > ./out
+       pkt=$(make_pkt_str 10.0.0.3 0.0.0.0)
+       atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
+
+       # Waiting for DAD complete
+       atf_check -s exit:0 rump.ifconfig -w 10
+       shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - |tail -1 > ./out
+
+       # Check the DAD announce packet
+       pkt=$(make_pkt_str 10.0.0.3 10.0.0.3)
+       atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
+       # The new address left tentative
+       atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep 10.0.0.3 |grep -q tentative"
+}
+
+dad_duplicated_body()
+{
+       local localip1=10.0.1.1
+       local localip2=10.0.1.11
+       local peerip=10.0.1.2
+
+       atf_check -s exit:0 ${inetserver} $SOCKLOCAL
+       atf_check -s exit:0 ${inetserver} $SOCKPEER
+
+       setup_server $SOCKLOCAL $localip1
+       setup_server $SOCKPEER $peerip
+
+       export RUMP_SERVER=$SOCKLOCAL
+
+       # The primary address isn't marked as duplicated
+       atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep $localip1 |grep -q duplicated"
+
+       #
+       # Add a new address duplicated with the peer server
+       #
+       atf_check -s exit:0 rump.ifconfig shmif0 inet $peerip alias
+       atf_check -s exit:0 sleep 1
+
+       # The new address is marked as duplicated
+       atf_check -s exit:0 -x "rump.ifconfig shmif0 |grep $peerip |grep -q duplicated"
+
+       # A unique address isn't marked as duplicated
+       atf_check -s exit:0 rump.ifconfig shmif0 inet $localip2 alias
+       atf_check -s exit:0 sleep 1
+       atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep $localip2 |grep -q duplicated"
+}
+
+cleanup()
+{
+       gdb -ex bt /usr/bin/rump_server rump_server.core
+       gdb -ex bt /usr/sbin/arp arp.core
+       env RUMP_SERVER=$SOCKLOCAL rump.halt
+       env RUMP_SERVER=$SOCKPEER rump.halt
+}
+
+dump_local()
+{
+       export RUMP_SERVER=$SOCKLOCAL
+       rump.netstat -nr
+       rump.arp -n -a
+       rump.ifconfig
+       $HIJACKING dmesg
+}
+
+dump_peer()
+{
+       export RUMP_SERVER=$SOCKPEER
+       rump.netstat -nr
+       rump.arp -n -a
+       rump.ifconfig
+       $HIJACKING dmesg
+}
+
+dump()
+{
+       dump_local
+       dump_peer
+       shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r -
+}
+
+dad_basic_cleanup()
+{
+       $DEBUG && dump_local
+       $DEBUG && shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r -
+       env RUMP_SERVER=$SOCKLOCAL rump.halt
+}
+
+dad_duplicated_cleanup()
+{
+       $DEBUG && dump
+       env RUMP_SERVER=$SOCKLOCAL rump.halt
+}
+
+atf_init_test_cases()
+{
+       atf_add_test_case dad_basic
+       atf_add_test_case dad_duplicated
+}



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