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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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