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Add basic tests for Proxy ARP 

The tests don't much enough and need more realitic tests, for example
tests for a setup using ppp found in PR 44032.
This commit is contained in:
ozaki-r 2016-02-25 03:23:15 +00:00
parent 9ca2ac75a1
commit f6036fa401
1 changed files with 112 additions and 6 deletions
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118
tests/net/arp/t_arp.sh
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@ -1,4 +1,4 @@
# $NetBSD: t_arp.sh,v 1.10 2015/12/02 06:05:14 ozaki-r Exp $
# $NetBSD: t_arp.sh,v 1.11 2016/02/25 03:23:15 ozaki-r Exp $
#
# Copyright (c) 2015 The NetBSD Foundation, Inc.
# All rights reserved.
@ -32,6 +32,10 @@ SOCKSRC=unix://commsock1
SOCKDST=unix://commsock2
IP4SRC=10.0.1.1
IP4DST=10.0.1.2
IP4DST_PUB=10.0.1.3
MACDST_PUB=b2:a1:00:00:00:01
IP4DST_PUBPROXY=10.0.1.4
MACDST_PUBPROXY=b2:a1:00:00:00:02
DEBUG=false
TIMEOUT=1
@ -41,6 +45,7 @@ atf_test_case cache_expiration_10s cleanup
atf_test_case command cleanup
atf_test_case garp cleanup
atf_test_case cache_overwriting cleanup
atf_test_case pubproxy_arp cleanup
cache_expiration_5s_head()
{
@ -72,6 +77,12 @@ cache_overwriting_head()
atf_set "require.progs" "rump_server"
}
pubproxy_arp_head()
{
atf_set "descr" "Tests for Proxy ARP"
atf_set "require.progs" "rump_server"
}
setup_dst_server()
{
export RUMP_SERVER=$SOCKDST
@ -225,7 +236,7 @@ command_body()
return 0
}
make_pkt_str()
make_pkt_str_arpreq()
{
local target=$1
local sender=$2
@ -253,10 +264,10 @@ garp_body()
shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - > ./out
# A GARP packet is sent for the primary address
pkt=$(make_pkt_str 10.0.0.1 10.0.0.1)
pkt=$(make_pkt_str_arpreq 10.0.0.1 10.0.0.1)
atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
# No GARP packet is sent for the alias address
pkt=$(make_pkt_str 10.0.0.2 10.0.0.2)
pkt=$(make_pkt_str_arpreq 10.0.0.2 10.0.0.2)
atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'"
atf_check -s exit:0 rump.ifconfig -w 10
@ -265,9 +276,9 @@ garp_body()
# No GARP packets are sent during IFF_UP
shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r - > ./out
pkt=$(make_pkt_str 10.0.0.3 10.0.0.3)
pkt=$(make_pkt_str_arpreq 10.0.0.3 10.0.0.3)
atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'"
pkt=$(make_pkt_str 10.0.0.4 10.0.0.4)
pkt=$(make_pkt_str_arpreq 10.0.0.4 10.0.0.4)
atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'"
}
@ -309,6 +320,94 @@ cache_overwriting_body()
return 0
}
make_pkt_str_arprep()
{
local ip=$1
local mac=$2
pkt="ethertype ARP (0x0806), length 42: "
pkt="Reply $ip is-at $mac, length 28"
echo $pkt
}
extract_new_packets()
{
local old=./old
if [ ! -f $old ]; then
old=/dev/null
fi
shmif_dumpbus -p - bus1 2>/dev/null| \
tcpdump -n -e -r - 2>/dev/null > ./new
diff -u $old ./new |grep '^+' |cut -d '+' -f 2 > ./diff
mv -f ./new ./old
cat ./diff
}
check_entry_flags()
{
local ip=$(echo $1 |sed 's/\./\\./g')
local flags=$2
atf_check -s exit:0 -o match:" $flags " -e ignore -x \
"rump.netstat -rn -f inet | grep ^'$ip'"
}
pubproxy_arp_body()
{
local arp_keep=5
atf_check -s exit:0 ${inetserver} $SOCKSRC
atf_check -s exit:0 ${inetserver} $SOCKDST
setup_dst_server
setup_src_server $arp_keep
export RUMP_SERVER=$SOCKDST
atf_check -s exit:0 -o ignore rump.arp -s $IP4DST_PUB \
$MACDST_PUB pub
atf_check -s exit:0 -o match:'permanent published' \
rump.arp -n $IP4DST_PUB
check_entry_flags $IP4DST_PUB ULSp
$DEBUG && rump.arp -n -a
$DEBUG && rump.netstat -nr -f inet
atf_check -s exit:0 -o ignore rump.arp -s $IP4DST_PUBPROXY \
$MACDST_PUBPROXY pub proxy
atf_check -s exit:0 -o match:'permanent published \(proxy only\)' \
rump.arp -n $IP4DST_PUBPROXY
check_entry_flags $IP4DST_PUBPROXY UHLSp
$DEBUG && rump.arp -n -a
$DEBUG && rump.netstat -nr -f inet
export RUMP_SERVER=$SOCKSRC
atf_check -s not-exit:0 -o ignore -e ignore \
rump.ping -n -w 1 -c 1 $IP4DST_PUB
atf_check -s exit:0 sleep 1
extract_new_packets > ./out
$DEBUG && cat ./out
pkt=$(make_pkt_str_arprep $IP4DST_PUB $MACDST_PUB)
atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
atf_check -s not-exit:0 -o ignore -e ignore \
rump.ping -n -w 1 -c 1 $IP4DST_PUBPROXY
atf_check -s exit:0 sleep 1
extract_new_packets > ./out
$DEBUG && cat ./out
pkt=$(make_pkt_str_arprep $IP4DST_PUBPROXY $MACDST_PUBPROXY)
atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
return 0
}
cleanup()
{
env RUMP_SERVER=$SOCKSRC rump.halt
@ -371,6 +470,12 @@ cache_overwriting_cleanup()
cleanup
}
pubproxy_arp_cleanup()
{
$DEBUG && dump
cleanup
}
atf_init_test_cases()
{
atf_add_test_case cache_expiration_5s
@ -378,4 +483,5 @@ atf_init_test_cases()
atf_add_test_case command
atf_add_test_case garp
atf_add_test_case cache_overwriting
atf_add_test_case pubproxy_arp
}