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t_arp.sh revision 1.43
      1 #	$NetBSD: t_arp.sh,v 1.43 2020/09/15 11:19:10 roy 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 SOCKSRC=unix://commsock1
     29 SOCKDST=unix://commsock2
     30 IP4SRC=10.0.1.1
     31 IP4SRC2=10.0.1.5
     32 IP4NET=10.0.1.0
     33 IP4DST=10.0.1.2
     34 IP4DST_PROXYARP1=10.0.1.3
     35 IP4DST_PROXYARP2=10.0.1.4
     36 IP4DST_FAIL1=10.0.1.99
     37 IP4DST_FAIL2=10.0.99.99
     38 
     39 DEBUG=${DEBUG:-false}
     40 TIMEOUT=1
     41 
     42 atf_test_case arp_cache_expiration cleanup
     43 atf_test_case arp_command cleanup
     44 atf_test_case arp_garp cleanup
     45 atf_test_case arp_garp_without_dad cleanup
     46 atf_test_case arp_cache_overwriting cleanup
     47 atf_test_case arp_proxy_arp_pub cleanup
     48 atf_test_case arp_proxy_arp_pubproxy cleanup
     49 atf_test_case arp_link_activation cleanup
     50 atf_test_case arp_static cleanup
     51 
     52 arp_cache_expiration_head()
     53 {
     54 	atf_set "descr" "Tests for ARP cache expiration"
     55 	atf_set "require.progs" "rump_server"
     56 }
     57 
     58 arp_command_head()
     59 {
     60 	atf_set "descr" "Tests for arp_commands of arp(8)"
     61 	atf_set "require.progs" "rump_server"
     62 }
     63 
     64 arp_garp_head()
     65 {
     66 	atf_set "descr" "Tests for GARP"
     67 	atf_set "require.progs" "rump_server"
     68 }
     69 
     70 arp_garp_without_dad_head()
     71 {
     72 
     73 	atf_set "descr" "Tests for GARP with DAD disabled"
     74 	atf_set "require.progs" "rump_server"
     75 }
     76 
     77 arp_cache_overwriting_head()
     78 {
     79 	atf_set "descr" "Tests for behavior of overwriting ARP caches"
     80 	atf_set "require.progs" "rump_server"
     81 }
     82 
     83 arp_proxy_arp_pub_head()
     84 {
     85 	atf_set "descr" "Tests for Proxy ARP (pub)"
     86 	atf_set "require.progs" "rump_server"
     87 }
     88 
     89 arp_proxy_arp_pubproxy_head()
     90 {
     91 	atf_set "descr" "Tests for Proxy ARP (pub proxy)"
     92 	atf_set "require.progs" "rump_server"
     93 }
     94 
     95 arp_link_activation_head()
     96 {
     97 	atf_set "descr" "Tests for activating a new MAC address"
     98 	atf_set "require.progs" "rump_server"
     99 }
    100 
    101 arp_static_head()
    102 {
    103 
    104 	atf_set "descr" "Tests for static ARP entries"
    105 	atf_set "require.progs" "rump_server"
    106 }
    107 
    108 setup_dst_server()
    109 {
    110 
    111 	rump_server_add_iface $SOCKDST shmif0 bus1
    112 	export RUMP_SERVER=$SOCKDST
    113 	atf_check -s exit:0 rump.ifconfig shmif0 inet $IP4DST/24
    114 	atf_check -s exit:0 rump.ifconfig shmif0 up
    115 	atf_check -s exit:0 rump.ifconfig -w 10
    116 
    117 	$DEBUG && rump.ifconfig shmif0
    118 	$DEBUG && rump.arp -n -a
    119 	$DEBUG && rump.netstat -nr -f inet
    120 }
    121 
    122 setup_src_server()
    123 {
    124 	local keep=${1:-0}
    125 
    126 	export RUMP_SERVER=$SOCKSRC
    127 
    128 	# Shorten the expire time of cache entries
    129 	if [ $keep != 0 ]; then
    130 		# Convert to ms
    131 		keep=$(($keep * 1000))
    132 		atf_check -s exit:0 -o ignore \
    133 		    rump.sysctl -w net.inet.arp.nd_reachable=$keep
    134 	fi
    135 
    136 	# Setup an interface
    137 	rump_server_add_iface $SOCKSRC shmif0 bus1
    138 	atf_check -s exit:0 rump.ifconfig shmif0 inet $IP4SRC/24
    139 	atf_check -s exit:0 rump.ifconfig shmif0 up
    140 	atf_check -s exit:0 rump.ifconfig -w 10
    141 
    142 	# Sanity check
    143 	$DEBUG && rump.ifconfig shmif0
    144 	$DEBUG && rump.arp -n -a
    145 	$DEBUG && rump.netstat -nr -f inet
    146 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4SRC
    147 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
    148 }
    149 
    150 get_timeout()
    151 {
    152 	local addr="$1"
    153 	local timeout=$(env RUMP_SERVER=$SOCKSRC rump.arp -n $addr |grep $addr|awk '{print $7;}')
    154 	timeout=${timeout%s}
    155 	echo $timeout
    156 }
    157 
    158 arp_cache_expiration_body()
    159 {
    160 	local arp_keep=7
    161 
    162 	rump_server_start $SOCKSRC
    163 	rump_server_start $SOCKDST
    164 
    165 	setup_dst_server
    166 	setup_src_server $arp_keep
    167 
    168 	# Make a permanent cache entry to avoid sending an NS packet disturbing
    169 	# the test
    170 	macaddr=$(get_macaddr $SOCKSRC shmif0)
    171 	export RUMP_SERVER=$SOCKDST
    172 	atf_check -s exit:0 -o ignore rump.arp -s $IP4SRC $macaddr
    173 
    174 	export RUMP_SERVER=$SOCKSRC
    175 
    176 	#
    177 	# Check if a cache is expired expectedly
    178 	#
    179 	atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP4DST
    180 
    181 	$DEBUG && rump.arp -n -a
    182 	atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.arp -n $IP4SRC
    183 	# Should be cached
    184 	atf_check -s exit:0 -o not-match:'permanent' rump.arp -n $IP4DST
    185 
    186 	timeout=$(get_timeout $IP4DST)
    187 
    188 	atf_check -s exit:0 sleep $(($timeout + 1))
    189 
    190 	$DEBUG && rump.arp -n -a
    191 	atf_check -s not-exit:0 -o ignore -e match:'no entry' rump.arp -n $IP4SRC
    192 	# Expired but remains until GC sweaps it (1 day)
    193 	atf_check -s exit:0 -o match:"$ONEDAYISH" rump.arp -n $IP4DST
    194 
    195 	rump_server_destroy_ifaces
    196 }
    197 
    198 check_arp_static_entry()
    199 {
    200 	local ip=$1
    201 	local mac=$2
    202 	local type=$3
    203 	local flags=
    204 
    205 	atf_check -s exit:0 -o match:"$mac" rump.arp -n $ip
    206 	if [ $type = 'permanent' ]; then
    207 		atf_check -s exit:0 -o match:'permanent' rump.arp -n $ip
    208 		check_route $ip "$mac" UHLS shmif0
    209 	else
    210 		atf_check -s exit:0 -o not-match:'permanent' rump.arp -n $ip
    211 		check_route $ip "$mac" UHL shmif0
    212 	fi
    213 }
    214 
    215 arp_command_body()
    216 {
    217 	local arp_keep=5
    218 	local bonus=2
    219 
    220 	rump_server_start $SOCKSRC
    221 	rump_server_start $SOCKDST
    222 
    223 	setup_dst_server
    224 	setup_src_server $arp_keep
    225 
    226 	export RUMP_SERVER=$SOCKSRC
    227 
    228 	# Add and delete a static entry
    229 	$DEBUG && rump.arp -n -a
    230 	atf_check -s exit:0 -o ignore rump.arp -s 10.0.1.10 b2:a0:20:00:00:10
    231 	$DEBUG && rump.arp -n -a
    232 	$DEBUG && rump.netstat -nr -f inet
    233 	check_arp_static_entry 10.0.1.10 'b2:a0:20:00:00:10' permanent
    234 	atf_check -s exit:0 -o ignore rump.arp -d 10.0.1.10
    235 	$DEBUG && rump.arp -n -a
    236 	$DEBUG && rump.netstat -nr -f inet
    237 	atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.10
    238 	check_route_no_entry 10.0.1.10
    239 
    240 	# Add multiple entries via a file
    241 	cat - > ./list <<-EOF
    242 	10.0.1.11 b2:a0:20:00:00:11
    243 	10.0.1.12 b2:a0:20:00:00:12
    244 	10.0.1.13 b2:a0:20:00:00:13
    245 	10.0.1.14 b2:a0:20:00:00:14
    246 	10.0.1.15 b2:a0:20:00:00:15
    247 	EOF
    248 	$DEBUG && rump.arp -n -a
    249 	$DEBUG && rump.netstat -nr -f inet
    250 	atf_check -s exit:0 -o ignore rump.arp -f ./list
    251 	$DEBUG && rump.arp -n -a
    252 	$DEBUG && rump.netstat -nr -f inet
    253 	check_arp_static_entry 10.0.1.11 'b2:a0:20:00:00:11' permanent
    254 	check_arp_static_entry 10.0.1.12 'b2:a0:20:00:00:12' permanent
    255 	check_arp_static_entry 10.0.1.13 'b2:a0:20:00:00:13' permanent
    256 	check_arp_static_entry 10.0.1.14 'b2:a0:20:00:00:14' permanent
    257 	check_arp_static_entry 10.0.1.15 'b2:a0:20:00:00:15' permanent
    258 
    259 	# Test arp -a
    260 	atf_check -s exit:0 -o match:'10.0.1.11' rump.arp -n -a
    261 	atf_check -s exit:0 -o match:'10.0.1.12' rump.arp -n -a
    262 	atf_check -s exit:0 -o match:'10.0.1.13' rump.arp -n -a
    263 	atf_check -s exit:0 -o match:'10.0.1.14' rump.arp -n -a
    264 	atf_check -s exit:0 -o match:'10.0.1.15' rump.arp -n -a
    265 
    266 	# Flush all entries
    267 	$DEBUG && rump.arp -n -a
    268 	$DEBUG && rump.netstat -nr -f inet
    269 	atf_check -s exit:0 -o ignore rump.arp -d -a
    270 	atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.11
    271 	atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.12
    272 	atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.13
    273 	atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.14
    274 	atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.15
    275 	atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.1
    276 	check_route_no_entry 10.0.1.11
    277 	check_route_no_entry 10.0.1.12
    278 	check_route_no_entry 10.0.1.13
    279 	check_route_no_entry 10.0.1.14
    280 	check_route_no_entry 10.0.1.15
    281 
    282 	# Test temp option
    283 	$DEBUG && rump.arp -n -a
    284 	atf_check -s exit:0 -o ignore rump.arp -s 10.0.1.10 b2:a0:20:00:00:10 temp
    285 	$DEBUG && rump.arp -n -a
    286 	$DEBUG && rump.netstat -nr -f inet
    287 	check_arp_static_entry 10.0.1.10 'b2:a0:20:00:00:10' temp
    288 
    289 	# Hm? the cache doesn't expire...
    290 	#atf_check -s exit:0 sleep $(($arp_keep + $bonus))
    291 	#$DEBUG && rump.arp -n -a
    292 	#$DEBUG && rump.netstat -nr -f inet
    293 	#atf_check -s not-exit:0 -e ignore rump.arp -n 10.0.1.10
    294 
    295 	rump_server_destroy_ifaces
    296 }
    297 
    298 make_pkt_str_arpreq()
    299 {
    300 	local target=$1
    301 	local sender=$2
    302 	pkt="> ff:ff:ff:ff:ff:ff, ethertype ARP \(0x0806\), length 42:"
    303 	pkt="$pkt Request who-has $target tell $sender, length 28"
    304 	echo $pkt
    305 }
    306 
    307 test_garp_common()
    308 {
    309 	local no_dad=$1
    310 	local pkt=
    311 
    312 	rump_server_start $SOCKSRC
    313 
    314 	export RUMP_SERVER=$SOCKSRC
    315 
    316 	if $no_dad; then
    317 		atf_check -s exit:0 -o match:'3 -> 0' \
    318 		    rump.sysctl -w net.inet.ip.dad_count=0
    319 	fi
    320 
    321 	# Setup an interface
    322 	rump_server_add_iface $SOCKSRC shmif0 bus1
    323 	atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.1/24
    324 	atf_check -s exit:0 rump.ifconfig shmif0 up
    325 	$DEBUG && rump.ifconfig shmif0
    326 
    327 	atf_check -s exit:0 sleep 1
    328 	extract_new_packets bus1 > ./out
    329 
    330 	#
    331 	# Assign an address to an interface without IFF_UP
    332 	#
    333 	# A GARP packet is sent for the primary address
    334 	pkt=$(make_pkt_str_arpreq 10.0.0.1 10.0.0.1)
    335 	atf_check -s exit:0 -o match:"$pkt" cat ./out
    336 
    337 	atf_check -s exit:0 rump.ifconfig shmif0 down
    338 	atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.2/24 alias
    339 
    340 	atf_check -s exit:0 sleep 1
    341 	extract_new_packets bus1 > ./out
    342 
    343 	# A GARP packet is sent for the alias address
    344 	pkt=$(make_pkt_str_arpreq 10.0.0.2 10.0.0.2)
    345 	atf_check -s exit:0 -o match:"$pkt" cat ./out
    346 
    347 	# Clean up
    348 	atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.1/24 delete
    349 	atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.2/24 delete
    350 
    351 	#
    352 	# Assign an address to an interface with IFF_UP
    353 	#
    354 	atf_check -s exit:0 rump.ifconfig shmif0 up
    355 
    356 	# Primary address
    357 	atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.3/24
    358 
    359 	atf_check -s exit:0 sleep 1
    360 	extract_new_packets bus1 > ./out
    361 
    362 	pkt=$(make_pkt_str_arpreq 10.0.0.3 10.0.0.3)
    363 	if $no_dad; then
    364 		# A GARP packet is sent
    365 		atf_check -s exit:0 -o match:"$pkt" cat ./out
    366 	else
    367 		# No GARP packet is sent
    368 		atf_check -s exit:0 -o not-match:"$pkt" cat ./out
    369 	fi
    370 
    371 	# Alias address
    372 	atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.4/24 alias
    373 
    374 	atf_check -s exit:0 sleep 1
    375 	extract_new_packets bus1 > ./out
    376 
    377 	pkt=$(make_pkt_str_arpreq 10.0.0.4 10.0.0.4)
    378 	if $no_dad; then
    379 		# A GARP packet is sent
    380 		atf_check -s exit:0 -o match:"$pkt" cat ./out
    381 	else
    382 		# No GARP packet is sent
    383 		atf_check -s exit:0 -o not-match:"$pkt" cat ./out
    384 	fi
    385 
    386 	rump_server_destroy_ifaces
    387 }
    388 
    389 arp_garp_body()
    390 {
    391 
    392 	test_garp_common false
    393 }
    394 
    395 arp_garp_without_dad_body()
    396 {
    397 
    398 	test_garp_common true
    399 }
    400 
    401 arp_cache_overwriting_body()
    402 {
    403 
    404 	rump_server_start $SOCKSRC
    405 	rump_server_start $SOCKDST
    406 
    407 	setup_dst_server
    408 	setup_src_server
    409 
    410 	export RUMP_SERVER=$SOCKSRC
    411 
    412 	# Cannot overwrite a permanent cache
    413 	atf_check -s exit:0 rump.arp -s $IP4DST b2:a0:20:00:00:ff
    414 	$DEBUG && rump.arp -n -a
    415 	atf_check -s not-exit:0 -e match:'File exists' \
    416 	    rump.arp -s $IP4DST b2:a0:20:00:00:fe
    417 	# cleanup
    418 	atf_check -s exit:0 rump.arp -d $IP4DST
    419 
    420 	atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP4DST
    421 	$DEBUG && rump.arp -n -a
    422 	# Can overwrite a dynamic cache
    423 	atf_check -s exit:0 -o ignore rump.arp -s $IP4DST b2:a0:20:00:00:00
    424 	$DEBUG && rump.arp -n -a
    425 	atf_check -s exit:0 -o match:'b2:a0:20:00:00:00' rump.arp -n $IP4DST
    426 	atf_check -s exit:0 -o match:'permanent' rump.arp -n $IP4DST
    427 
    428 	atf_check -s exit:0 -o ignore rump.arp -s 10.0.1.10 b2:a0:20:00:00:10 temp
    429 	$DEBUG && rump.arp -n -a
    430 	atf_check -s exit:0 -o match:'b2:a0:20:00:00:10' rump.arp -n 10.0.1.10
    431 	atf_check -s exit:0 -o not-match:'permanent' rump.arp -n 10.0.1.10
    432 	# Can overwrite a temp cache
    433 	atf_check -s exit:0 -o ignore rump.arp -s 10.0.1.10 b2:a0:20:00:00:ff
    434 	atf_check -s exit:0 -o match:'b2:a0:20:00:00:ff' rump.arp -n 10.0.1.10
    435 	$DEBUG && rump.arp -n -a
    436 
    437 	rump_server_destroy_ifaces
    438 }
    439 
    440 make_pkt_str_arprep()
    441 {
    442 	local ip=$1
    443 	local mac=$2
    444 	pkt="ethertype ARP (0x0806), length 42: "
    445 	pkt="Reply $ip is-at $mac, length 28"
    446 	echo $pkt
    447 }
    448 
    449 make_pkt_str_garp()
    450 {
    451 	local ip=$1
    452 	local mac=$2
    453 	local pkt=
    454 	pkt="$mac > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806),"
    455 	pkt="$pkt length 42: Request who-has $ip tell $ip, length 28"
    456 	echo $pkt
    457 }
    458 
    459 test_proxy_arp()
    460 {
    461 	local opts= title= flags=
    462 	local type=$1
    463 
    464 	rump_server_start $SOCKSRC
    465 	rump_server_fs_start $SOCKDST tap
    466 
    467 	setup_dst_server
    468 	setup_src_server
    469 
    470 	export RUMP_SERVER=$SOCKDST
    471 	atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.ip.forwarding=1
    472 	macaddr_dst=$(get_macaddr $SOCKDST shmif0)
    473 
    474 	if [ "$type" = "pub" ]; then
    475 		opts="pub"
    476 	else
    477 		opts="pub proxy"
    478 	fi
    479 	# Always proxy only since migrating to lltable/llentry
    480 	title='published \(proxy only\)'
    481 
    482 	#
    483 	# Test#1: First setup an endpoint then create proxy arp entry
    484 	#
    485 	export RUMP_SERVER=$SOCKDST
    486 	rump_server_add_iface $SOCKDST tap1
    487 	atf_check -s exit:0 rump.ifconfig tap1 $IP4DST_PROXYARP1/24 up
    488 	atf_check -s exit:0 rump.ifconfig -w 10
    489 
    490 	# Try to ping (should fail w/o proxy arp)
    491 	export RUMP_SERVER=$SOCKSRC
    492 	atf_check -s not-exit:0 -o ignore -e ignore \
    493 	    rump.ping -n -w 1 -c 1 $IP4DST_PROXYARP1
    494 
    495 	# Flushing
    496 	extract_new_packets bus1 > ./out
    497 
    498 	# Set up proxy ARP entry
    499 	export RUMP_SERVER=$SOCKDST
    500 	atf_check -s exit:0 -o ignore \
    501 	    rump.arp -s $IP4DST_PROXYARP1 $macaddr_dst $opts
    502 	atf_check -s exit:0 -o match:"$title" rump.arp -n $IP4DST_PROXYARP1
    503 
    504 	# Try to ping
    505 	export RUMP_SERVER=$SOCKSRC
    506 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST_PROXYARP1
    507 
    508 	extract_new_packets bus1 > ./out
    509 	$DEBUG && cat ./out
    510 
    511 	pkt1=$(make_pkt_str_arprep $IP4DST_PROXYARP1 $macaddr_dst)
    512 	pkt2=$(make_pkt_str_garp $IP4DST_PROXYARP1 $macaddr_dst)
    513 	atf_check -s exit:0 -x "cat ./out |grep -q -e '$pkt1' -e '$pkt2'"
    514 
    515 	#
    516 	# Test#2: Create proxy arp entry then set up an endpoint
    517 	#
    518 	export RUMP_SERVER=$SOCKDST
    519 	atf_check -s exit:0 -o ignore \
    520 	    rump.arp -s $IP4DST_PROXYARP2 $macaddr_dst $opts
    521 	atf_check -s exit:0 -o match:"$title" rump.arp -n $IP4DST_PROXYARP2
    522 	$DEBUG && rump.netstat -nr -f inet
    523 
    524 	# Try to ping (should fail because no endpoint exists)
    525 	export RUMP_SERVER=$SOCKSRC
    526 	atf_check -s not-exit:0 -o ignore -e ignore \
    527 	    rump.ping -n -w 1 -c 1 $IP4DST_PROXYARP2
    528 
    529 	extract_new_packets bus1 > ./out
    530 	$DEBUG && cat ./out
    531 
    532 	# ARP reply should be sent
    533 	pkt=$(make_pkt_str_arprep $IP4DST_PROXYARP2 $macaddr_dst)
    534 	atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
    535 
    536 	export RUMP_SERVER=$SOCKDST
    537 	rump_server_add_iface $SOCKDST tap2
    538 	atf_check -s exit:0 rump.ifconfig tap2 $IP4DST_PROXYARP2/24 up
    539 	atf_check -s exit:0 rump.ifconfig -w 10
    540 
    541 	# Try to ping
    542 	export RUMP_SERVER=$SOCKSRC
    543 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST_PROXYARP2
    544 }
    545 
    546 arp_proxy_arp_pub_body()
    547 {
    548 
    549 	test_proxy_arp pub
    550 	rump_server_destroy_ifaces
    551 }
    552 
    553 arp_proxy_arp_pubproxy_body()
    554 {
    555 
    556 	test_proxy_arp pubproxy
    557 	rump_server_destroy_ifaces
    558 }
    559 
    560 arp_link_activation_body()
    561 {
    562 
    563 	rump_server_start $SOCKSRC
    564 	rump_server_start $SOCKDST
    565 
    566 	setup_dst_server
    567 	setup_src_server
    568 
    569 	# flush old packets
    570 	extract_new_packets bus1 > ./out
    571 
    572 	export RUMP_SERVER=$SOCKSRC
    573 
    574 	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \
    575 	    b2:a1:00:00:00:01
    576 
    577 	atf_check -s exit:0 sleep 1
    578 	extract_new_packets bus1 > ./out
    579 	$DEBUG && cat ./out
    580 
    581 	pkt=$(make_pkt_str_arpreq $IP4SRC $IP4SRC)
    582 	atf_check -s exit:0 -o not-match:"$pkt" cat ./out
    583 
    584 	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \
    585 	    b2:a1:00:00:00:02 active
    586 
    587 	atf_check -s exit:0 sleep 1
    588 	extract_new_packets bus1 > ./out
    589 	$DEBUG && cat ./out
    590 
    591 	pkt=$(make_pkt_str_arpreq $IP4SRC $IP4SRC)
    592 	atf_check -s exit:0 -o match:"b2:a1:00:00:00:02 $pkt" cat ./out
    593 
    594 	rump_server_destroy_ifaces
    595 }
    596 
    597 arp_static_body()
    598 {
    599 	local macaddr_src=
    600 
    601 	rump_server_start $SOCKSRC
    602 	rump_server_start $SOCKDST
    603 
    604 	setup_dst_server
    605 	setup_src_server
    606 
    607 	macaddr_src=$(get_macaddr $SOCKSRC shmif0)
    608 
    609 	# Set a (valid) static ARP entry for the src server
    610 	export RUMP_SERVER=$SOCKDST
    611 	$DEBUG && rump.arp -n -a
    612 	atf_check -s exit:0 -o ignore rump.arp -s $IP4SRC $macaddr_src
    613 	$DEBUG && rump.arp -n -a
    614 
    615 	# Test receiving an ARP request with the static ARP entry (as spa/sha)
    616 	export RUMP_SERVER=$SOCKSRC
    617 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
    618 
    619 	rump_server_destroy_ifaces
    620 }
    621 
    622 arp_cache_expiration_cleanup()
    623 {
    624 	$DEBUG && dump
    625 	cleanup
    626 }
    627 
    628 arp_command_cleanup()
    629 {
    630 	$DEBUG && dump
    631 	cleanup
    632 }
    633 
    634 arp_garp_cleanup()
    635 {
    636 	$DEBUG && dump
    637 	cleanup
    638 }
    639 
    640 arp_garp_without_dad_cleanup()
    641 {
    642 
    643 	$DEBUG && dump
    644 	cleanup
    645 }
    646 
    647 arp_cache_overwriting_cleanup()
    648 {
    649 	$DEBUG && dump
    650 	cleanup
    651 }
    652 
    653 arp_proxy_arp_pub_cleanup()
    654 {
    655 	$DEBUG && dump
    656 	cleanup
    657 }
    658 
    659 arp_proxy_arp_pubproxy_cleanup()
    660 {
    661 	$DEBUG && dump
    662 	cleanup
    663 }
    664 
    665 arp_link_activation_cleanup()
    666 {
    667 	$DEBUG && dump
    668 	cleanup
    669 }
    670 
    671 arp_static_cleanup()
    672 {
    673 	$DEBUG && dump
    674 	cleanup
    675 }
    676 
    677 atf_test_case arp_rtm cleanup
    678 arp_rtm_head()
    679 {
    680 
    681 	atf_set "descr" "Tests for routing messages on operations of ARP entries"
    682 	atf_set "require.progs" "rump_server"
    683 }
    684 
    685 arp_rtm_body()
    686 {
    687 	local macaddr_src= macaddr_dst=
    688 	local file=./tmp
    689 	local pid= hdr= what= addr=
    690 
    691 	rump_server_start $SOCKSRC
    692 	rump_server_start $SOCKDST
    693 
    694 	setup_dst_server
    695 	setup_src_server
    696 
    697 	macaddr_src=$(get_macaddr $SOCKSRC shmif0)
    698 	macaddr_dst=$(get_macaddr $SOCKDST shmif0)
    699 
    700 	export RUMP_SERVER=$SOCKSRC
    701 
    702 	# Test ping and a resulting routing message (RTM_ADD)
    703 	rump.route -n monitor -c 1 > $file &
    704 	pid=$!
    705 	sleep 1
    706 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
    707 	wait $pid
    708 	$DEBUG && cat $file
    709 
    710 	hdr="RTM_ADD.+<UP,HOST,DONE,LLINFO,CLONED>"
    711 	what="<DST,GATEWAY>"
    712 	addr="$IP4DST $macaddr_dst"
    713 	atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \
    714 		cat $file
    715 
    716 	# Test ping and a resulting routing message (RTM_MISS) on subnet
    717 	rump.route -n monitor -c 1 > $file &
    718 	pid=$!
    719 	sleep 1
    720 	# arp_maxtries = 5, second between each try
    721 	atf_check -s exit:2 -o ignore -e ignore \
    722 		rump.ping -n -w 10 -c 10 $IP4DST_FAIL1
    723 	wait $pid
    724 	$DEBUG && cat $file
    725 
    726 	hdr="RTM_MISS.+<DONE>"
    727 	what="<DST,GATEWAY,AUTHOR>"
    728 	addr="$IP4DST_FAIL1 link#2 $IP4SRC"
    729 	atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \
    730 		cat $file
    731 
    732 	# Test ping and a resulting routing message (RTM_MISS) off subnet
    733 	rump.route -n monitor -c 1 > $file &
    734 	pid=$!
    735 	sleep 1
    736 	atf_check -s exit:2 -o ignore -e ignore \
    737 		rump.ping -n -w 1 -c 1 $IP4DST_FAIL2
    738 	wait $pid
    739 	$DEBUG && cat $file
    740 
    741 	hdr="RTM_MISS.+<DONE>"
    742 	what="<DST>"
    743 	addr="$IP4DST_FAIL2"
    744 	atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \
    745 		cat $file
    746 
    747 	# Test arp -d and resulting routing messages (RTM_DELETE)
    748 	rump.route -n monitor -c 1 > $file &
    749 	pid=$!
    750 	sleep 1
    751 	atf_check -s exit:0 -o ignore rump.arp -d $IP4DST
    752 	wait $pid
    753 	$DEBUG && cat $file
    754 
    755 	hdr="RTM_DELETE.+<HOST,DONE,LLINFO,CLONED>"
    756 	what="<DST,GATEWAY>"
    757 	addr="$IP4DST $macaddr_dst"
    758 	atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \
    759 		grep -A 3 RTM_DELETE $file
    760 
    761 	rump_server_destroy_ifaces
    762 }
    763 
    764 arp_rtm_cleanup()
    765 {
    766 
    767 	$DEBUG && dump
    768 	cleanup
    769 }
    770 
    771 atf_test_case arp_purge_on_route_change cleanup
    772 arp_purge_on_route_change_head()
    773 {
    774 
    775 	atf_set "descr" "Tests if ARP entries are removed on route change"
    776 	atf_set "require.progs" "rump_server"
    777 }
    778 
    779 arp_purge_on_route_change_body()
    780 {
    781 
    782 	rump_server_start $SOCKSRC
    783 	rump_server_start $SOCKDST
    784 
    785 	setup_dst_server
    786 	setup_src_server
    787 
    788 	rump_server_add_iface $SOCKSRC shmif1 bus1
    789 	export RUMP_SERVER=$SOCKSRC
    790 	atf_check -s exit:0 rump.ifconfig shmif1 inet $IP4SRC2/24
    791 	atf_check -s exit:0 rump.ifconfig -w 10
    792 
    793 	$DEBUG && rump.netstat -nr -f inet
    794 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
    795 	$DEBUG && rump.arp -na
    796 	atf_check -s exit:0 -o ignore \
    797 	    rump.route change -net $IP4NET -ifp shmif1
    798 	$DEBUG && rump.netstat -nr -f inet
    799 	$DEBUG && rump.arp -na
    800 	# The entry was already removed on route change
    801 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
    802 
    803 	rump_server_destroy_ifaces
    804 }
    805 
    806 arp_purge_on_route_change_cleanup()
    807 {
    808 
    809 	$DEBUG && dump
    810 	cleanup
    811 }
    812 
    813 atf_test_case arp_purge_on_route_delete cleanup
    814 arp_purge_on_route_delete_head()
    815 {
    816 
    817 	atf_set "descr" "Tests if ARP entries are removed on route delete"
    818 	atf_set "require.progs" "rump_server"
    819 }
    820 
    821 arp_purge_on_route_delete_body()
    822 {
    823 
    824 	rump_server_start $SOCKSRC
    825 	rump_server_start $SOCKDST
    826 
    827 	setup_dst_server
    828 	setup_src_server
    829 
    830 	$DEBUG && rump.netstat -nr -f inet
    831 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
    832 	$DEBUG && rump.arp -na
    833 
    834 	atf_check -s exit:0 -o ignore rump.route delete -net $IP4NET
    835 	$DEBUG && rump.netstat -nr -f inet
    836 	$DEBUG && rump.arp -na
    837 
    838 	# The entry was already removed on route delete
    839 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
    840 
    841 	rump_server_destroy_ifaces
    842 }
    843 
    844 arp_purge_on_route_delete_cleanup()
    845 {
    846 
    847 	$DEBUG && dump
    848 	cleanup
    849 }
    850 
    851 atf_test_case arp_purge_on_ifdown cleanup
    852 arp_purge_on_ifdown_head()
    853 {
    854 
    855 	atf_set "descr" "Tests if ARP entries are removed on interface down"
    856 	atf_set "require.progs" "rump_server"
    857 }
    858 
    859 arp_purge_on_ifdown_body()
    860 {
    861 
    862 	rump_server_start $SOCKSRC
    863 	rump_server_start $SOCKDST
    864 
    865 	setup_dst_server
    866 	setup_src_server
    867 
    868 	$DEBUG && rump.netstat -nr -f inet
    869 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
    870 	atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
    871 
    872 	# Shutdown the interface
    873 	atf_check -s exit:0 rump.ifconfig shmif0 down
    874 	$DEBUG && rump.netstat -nr -f inet
    875 	$DEBUG && rump.arp -na
    876 
    877 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
    878 
    879 	rump_server_destroy_ifaces
    880 }
    881 
    882 arp_purge_on_ifdown_cleanup()
    883 {
    884 
    885 	$DEBUG && dump
    886 	cleanup
    887 }
    888 
    889 atf_test_case arp_stray_entries cleanup
    890 arp_stray_entries_head()
    891 {
    892 
    893 	atf_set "descr" "Tests if ARP entries are removed on route change"
    894 	atf_set "require.progs" "rump_server"
    895 }
    896 
    897 arp_stray_entries_body()
    898 {
    899 
    900 	rump_server_start $SOCKSRC
    901 	rump_server_start $SOCKDST
    902 
    903 	setup_dst_server
    904 	setup_src_server
    905 
    906 	rump_server_add_iface $SOCKSRC shmif1 bus1
    907 
    908 	export RUMP_SERVER=$SOCKSRC
    909 	atf_check -s exit:0 rump.ifconfig shmif1 inet $IP4SRC2/24
    910 	atf_check -s exit:0 rump.ifconfig -w 10
    911 
    912 	$DEBUG && rump.netstat -nr -f inet
    913 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
    914 	$DEBUG && rump.arp -na
    915 	atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
    916 	atf_check -s exit:0 -o not-match:'shmif1' rump.arp -n $IP4DST
    917 
    918 	# Clean up
    919 	atf_check -s exit:0 -o ignore rump.arp -da
    920 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
    921 
    922 	# ping from a different source address
    923 	atf_check -s exit:0 -o ignore \
    924 	    rump.ping -n -w 1 -c 1 -I $IP4SRC2 $IP4DST
    925 	$DEBUG && rump.arp -na
    926 	atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
    927 	# ARP reply goes back via shmif1, so a cache is created on shmif1
    928 	atf_check -s exit:0 -o match:'shmif1' rump.arp -n $IP4DST
    929 
    930 	# Clean up by arp -da
    931 	atf_check -s exit:0 -o ignore rump.arp -da
    932 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
    933 
    934 	# ping from a different source address again
    935 	atf_check -s exit:0 -o ignore \
    936 	    rump.ping -n -w 1 -c 1 -I $IP4SRC2 $IP4DST
    937 	atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
    938 	# ARP reply doen't come
    939 	atf_check -s exit:0 -o not-match:'shmif1' rump.arp -n $IP4DST
    940 
    941 	# Cleanup caches on the destination
    942 	export RUMP_SERVER=$SOCKDST
    943 	atf_check -s exit:0 -o ignore rump.arp -da
    944 	export RUMP_SERVER=$SOCKSRC
    945 
    946 	# ping from a different source address again
    947 	atf_check -s exit:0 -o ignore \
    948 	    rump.ping -n -w 1 -c 1 -I $IP4SRC2 $IP4DST
    949 	atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
    950 	# ARP reply goes back via shmif1
    951 	atf_check -s exit:0 -o match:'shmif1' rump.arp -n $IP4DST
    952 
    953 	# Clean up by arp -d <ip>
    954 	atf_check -s exit:0 -o ignore rump.arp -d $IP4DST
    955 	# Both entries should be deleted
    956 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
    957 
    958 	rump_server_destroy_ifaces
    959 }
    960 
    961 arp_stray_entries_cleanup()
    962 {
    963 
    964 	$DEBUG && dump
    965 	cleanup
    966 }
    967 
    968 atf_init_test_cases()
    969 {
    970 	atf_add_test_case arp_cache_expiration
    971 	atf_add_test_case arp_command
    972 	atf_add_test_case arp_garp
    973 	atf_add_test_case arp_garp_without_dad
    974 	atf_add_test_case arp_cache_overwriting
    975 	atf_add_test_case arp_proxy_arp_pub
    976 	atf_add_test_case arp_proxy_arp_pubproxy
    977 	atf_add_test_case arp_link_activation
    978 	atf_add_test_case arp_static
    979 	atf_add_test_case arp_rtm
    980 	atf_add_test_case arp_purge_on_route_change
    981 	atf_add_test_case arp_purge_on_route_delete
    982 	atf_add_test_case arp_purge_on_ifdown
    983 	atf_add_test_case arp_stray_entries
    984 }
    985