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t_arp.sh revision 1.46
      1 #	$NetBSD: t_arp.sh,v 1.46 2024/08/20 08:23:15 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 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 	#
    387 	# GARP on Link up
    388 	#
    389 	atf_check -s exit:0 rump.ifconfig shmif0 media none
    390 	extract_new_packets bus1 > ./out
    391 	atf_check -s exit:0 rump.ifconfig shmif0 media auto
    392 
    393 	atf_check -s exit:0 sleep 1
    394 	extract_new_packets bus1 > ./out
    395 
    396 	if $no_dad; then
    397 		# A GARP packet is sent for both primary and alias addresses.
    398 		pkt=$(make_pkt_str_arpreq 10.0.0.3 10.0.0.3)
    399 		atf_check -s exit:0 -o match:"$pkt" cat ./out
    400 		pkt=$(make_pkt_str_arpreq 10.0.0.4 10.0.0.4)
    401 		atf_check -s exit:0 -o match:"$pkt" cat ./out
    402 	else
    403 		# No GARP is sent.
    404 		pkt=$(make_pkt_str_arpreq 10.0.0.3 10.0.0.3)
    405 		atf_check -s exit:0 -o not-match:"$pkt" cat ./out
    406 		pkt=$(make_pkt_str_arpreq 10.0.0.4 10.0.0.4)
    407 		atf_check -s exit:0 -o not-match:"$pkt" cat ./out
    408 		# DAD packets are sent instead.
    409 		pkt=$(make_pkt_str_arpreq 10.0.0.3 0.0.0.0)
    410 		atf_check -s exit:0 -o match:"$pkt" cat ./out
    411 		pkt=$(make_pkt_str_arpreq 10.0.0.4 0.0.0.0)
    412 		atf_check -s exit:0 -o match:"$pkt" cat ./out
    413 	fi
    414 
    415 	rump_server_destroy_ifaces
    416 }
    417 
    418 arp_garp_body()
    419 {
    420 
    421 	test_garp_common false
    422 }
    423 
    424 arp_garp_without_dad_body()
    425 {
    426 
    427 	test_garp_common true
    428 }
    429 
    430 arp_cache_overwriting_body()
    431 {
    432 
    433 	rump_server_start $SOCKSRC
    434 	rump_server_start $SOCKDST
    435 
    436 	setup_dst_server
    437 	setup_src_server
    438 
    439 	export RUMP_SERVER=$SOCKSRC
    440 
    441 	# Cannot overwrite a permanent cache
    442 	atf_check -s exit:0 rump.arp -s $IP4DST b2:a0:20:00:00:ff
    443 	$DEBUG && rump.arp -n -a
    444 	atf_check -s not-exit:0 -e match:'File exists' \
    445 	    rump.arp -s $IP4DST b2:a0:20:00:00:fe
    446 	# cleanup
    447 	atf_check -s exit:0 rump.arp -d $IP4DST
    448 
    449 	atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP4DST
    450 	$DEBUG && rump.arp -n -a
    451 	# Can overwrite a dynamic cache
    452 	atf_check -s exit:0 -o ignore rump.arp -s $IP4DST b2:a0:20:00:00:00
    453 	$DEBUG && rump.arp -n -a
    454 	atf_check -s exit:0 -o match:'b2:a0:20:00:00:00' rump.arp -n $IP4DST
    455 	atf_check -s exit:0 -o match:'permanent' rump.arp -n $IP4DST
    456 
    457 	atf_check -s exit:0 -o ignore rump.arp -s 10.0.1.10 b2:a0:20:00:00:10 temp
    458 	$DEBUG && rump.arp -n -a
    459 	atf_check -s exit:0 -o match:'b2:a0:20:00:00:10' rump.arp -n 10.0.1.10
    460 	atf_check -s exit:0 -o not-match:'permanent' rump.arp -n 10.0.1.10
    461 	# Can overwrite a temp cache
    462 	atf_check -s exit:0 -o ignore rump.arp -s 10.0.1.10 b2:a0:20:00:00:ff
    463 	atf_check -s exit:0 -o match:'b2:a0:20:00:00:ff' rump.arp -n 10.0.1.10
    464 	$DEBUG && rump.arp -n -a
    465 
    466 	rump_server_destroy_ifaces
    467 }
    468 
    469 make_pkt_str_arprep()
    470 {
    471 	local ip=$1
    472 	local mac=$2
    473 	pkt="ethertype ARP (0x0806), length 42: "
    474 	pkt="Reply $ip is-at $mac, length 28"
    475 	echo $pkt
    476 }
    477 
    478 make_pkt_str_garp()
    479 {
    480 	local ip=$1
    481 	local mac=$2
    482 	local pkt=
    483 	pkt="$mac > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806),"
    484 	pkt="$pkt length 42: Request who-has $ip tell $ip, length 28"
    485 	echo $pkt
    486 }
    487 
    488 test_proxy_arp()
    489 {
    490 	local opts= title= flags=
    491 	local type=$1
    492 
    493 	rump_server_start $SOCKSRC
    494 	rump_server_fs_start $SOCKDST tap
    495 
    496 	setup_dst_server
    497 	setup_src_server
    498 
    499 	export RUMP_SERVER=$SOCKDST
    500 	atf_check -s exit:0 -o ignore rump.sysctl -w net.inet.ip.forwarding=1
    501 	macaddr_dst=$(get_macaddr $SOCKDST shmif0)
    502 
    503 	if [ "$type" = "pub" ]; then
    504 		opts="pub"
    505 	else
    506 		opts="pub proxy"
    507 	fi
    508 	# Always proxy only since migrating to lltable/llentry
    509 	title='published \(proxy only\)'
    510 
    511 	#
    512 	# Test#1: First setup an endpoint then create proxy arp entry
    513 	#
    514 	export RUMP_SERVER=$SOCKDST
    515 	rump_server_add_iface $SOCKDST tap1
    516 	atf_check -s exit:0 rump.ifconfig tap1 $IP4DST_PROXYARP1/24 up
    517 	atf_check -s exit:0 rump.ifconfig -w 10
    518 
    519 	# Try to ping (should fail w/o proxy arp)
    520 	export RUMP_SERVER=$SOCKSRC
    521 	atf_check -s not-exit:0 -o ignore -e ignore \
    522 	    rump.ping -n -w 1 -c 1 $IP4DST_PROXYARP1
    523 	# Remove ARP entry as it may hang around in WAITDELETE a few seconds
    524 	atf_check -s ignore rump.arp -d $IP4DST_PROXYARP1
    525 
    526 	# Flushing
    527 	extract_new_packets bus1 > ./out
    528 
    529 	# Set up proxy ARP entry
    530 	export RUMP_SERVER=$SOCKDST
    531 	atf_check -s exit:0 -o ignore \
    532 	    rump.arp -s $IP4DST_PROXYARP1 $macaddr_dst $opts
    533 	atf_check -s exit:0 -o match:"$title" rump.arp -n $IP4DST_PROXYARP1
    534 
    535 	# Try to ping
    536 	export RUMP_SERVER=$SOCKSRC
    537 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST_PROXYARP1
    538 
    539 	extract_new_packets bus1 > ./out
    540 	$DEBUG && cat ./out
    541 
    542 	pkt1=$(make_pkt_str_arprep $IP4DST_PROXYARP1 $macaddr_dst)
    543 	pkt2=$(make_pkt_str_garp $IP4DST_PROXYARP1 $macaddr_dst)
    544 	atf_check -s exit:0 -x "cat ./out |grep -q -e '$pkt1' -e '$pkt2'"
    545 
    546 	#
    547 	# Test#2: Create proxy arp entry then set up an endpoint
    548 	#
    549 	export RUMP_SERVER=$SOCKDST
    550 	atf_check -s exit:0 -o ignore \
    551 	    rump.arp -s $IP4DST_PROXYARP2 $macaddr_dst $opts
    552 	atf_check -s exit:0 -o match:"$title" rump.arp -n $IP4DST_PROXYARP2
    553 	$DEBUG && rump.netstat -nr -f inet
    554 
    555 	# Try to ping (should fail because no endpoint exists)
    556 	export RUMP_SERVER=$SOCKSRC
    557 	atf_check -s not-exit:0 -o ignore -e ignore \
    558 	    rump.ping -n -w 1 -c 1 $IP4DST_PROXYARP2
    559 	# Remove ARP entry as it may hang around in WAITDELETE a few seconds
    560 	atf_check -s ignore rump.arp -d $IP4DST_PROXYARP2
    561 
    562 	extract_new_packets bus1 > ./out
    563 	$DEBUG && cat ./out
    564 
    565 	# ARP reply should be sent
    566 	pkt=$(make_pkt_str_arprep $IP4DST_PROXYARP2 $macaddr_dst)
    567 	atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
    568 
    569 	export RUMP_SERVER=$SOCKDST
    570 	rump_server_add_iface $SOCKDST tap2
    571 	atf_check -s exit:0 rump.ifconfig tap2 $IP4DST_PROXYARP2/24 up
    572 	atf_check -s exit:0 rump.ifconfig -w 10
    573 
    574 	# Try to ping
    575 	export RUMP_SERVER=$SOCKSRC
    576 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST_PROXYARP2
    577 }
    578 
    579 arp_proxy_arp_pub_body()
    580 {
    581 
    582 	test_proxy_arp pub
    583 	rump_server_destroy_ifaces
    584 }
    585 
    586 arp_proxy_arp_pubproxy_body()
    587 {
    588 
    589 	test_proxy_arp pubproxy
    590 	rump_server_destroy_ifaces
    591 }
    592 
    593 arp_link_activation_body()
    594 {
    595 
    596 	rump_server_start $SOCKSRC
    597 	rump_server_start $SOCKDST
    598 
    599 	setup_dst_server
    600 	setup_src_server
    601 
    602 	# flush old packets
    603 	extract_new_packets bus1 > ./out
    604 
    605 	export RUMP_SERVER=$SOCKSRC
    606 
    607 	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \
    608 	    b2:a1:00:00:00:01
    609 
    610 	atf_check -s exit:0 sleep 1
    611 	extract_new_packets bus1 > ./out
    612 	$DEBUG && cat ./out
    613 
    614 	pkt=$(make_pkt_str_arpreq $IP4SRC $IP4SRC)
    615 	atf_check -s exit:0 -o not-match:"$pkt" cat ./out
    616 
    617 	atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \
    618 	    b2:a1:00:00:00:02 active
    619 
    620 	atf_check -s exit:0 sleep 1
    621 	extract_new_packets bus1 > ./out
    622 	$DEBUG && cat ./out
    623 
    624 	pkt=$(make_pkt_str_arpreq $IP4SRC $IP4SRC)
    625 	atf_check -s exit:0 -o match:"b2:a1:00:00:00:02 $pkt" cat ./out
    626 
    627 	rump_server_destroy_ifaces
    628 }
    629 
    630 arp_static_body()
    631 {
    632 	local macaddr_src=
    633 
    634 	rump_server_start $SOCKSRC
    635 	rump_server_start $SOCKDST
    636 
    637 	setup_dst_server
    638 	setup_src_server
    639 
    640 	macaddr_src=$(get_macaddr $SOCKSRC shmif0)
    641 
    642 	# Set a (valid) static ARP entry for the src server
    643 	export RUMP_SERVER=$SOCKDST
    644 	$DEBUG && rump.arp -n -a
    645 	atf_check -s exit:0 -o ignore rump.arp -s $IP4SRC $macaddr_src
    646 	$DEBUG && rump.arp -n -a
    647 
    648 	# Test receiving an ARP request with the static ARP entry (as spa/sha)
    649 	export RUMP_SERVER=$SOCKSRC
    650 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
    651 
    652 	rump_server_destroy_ifaces
    653 }
    654 
    655 arp_cache_expiration_cleanup()
    656 {
    657 	$DEBUG && dump
    658 	cleanup
    659 }
    660 
    661 arp_command_cleanup()
    662 {
    663 	$DEBUG && dump
    664 	cleanup
    665 }
    666 
    667 arp_garp_cleanup()
    668 {
    669 	$DEBUG && dump
    670 	cleanup
    671 }
    672 
    673 arp_garp_without_dad_cleanup()
    674 {
    675 
    676 	$DEBUG && dump
    677 	cleanup
    678 }
    679 
    680 arp_cache_overwriting_cleanup()
    681 {
    682 	$DEBUG && dump
    683 	cleanup
    684 }
    685 
    686 arp_proxy_arp_pub_cleanup()
    687 {
    688 	$DEBUG && dump
    689 	cleanup
    690 }
    691 
    692 arp_proxy_arp_pubproxy_cleanup()
    693 {
    694 	$DEBUG && dump
    695 	cleanup
    696 }
    697 
    698 arp_link_activation_cleanup()
    699 {
    700 	$DEBUG && dump
    701 	cleanup
    702 }
    703 
    704 arp_static_cleanup()
    705 {
    706 	$DEBUG && dump
    707 	cleanup
    708 }
    709 
    710 atf_test_case arp_rtm cleanup
    711 arp_rtm_head()
    712 {
    713 
    714 	atf_set "descr" "Tests for routing messages on operations of ARP entries"
    715 	atf_set "require.progs" "rump_server"
    716 }
    717 
    718 arp_rtm_body()
    719 {
    720 	local macaddr_src= macaddr_dst=
    721 	local file=./tmp
    722 	local pid= hdr= what= addr=
    723 
    724 	rump_server_start $SOCKSRC
    725 	rump_server_start $SOCKDST
    726 
    727 	setup_dst_server
    728 	setup_src_server
    729 
    730 	macaddr_src=$(get_macaddr $SOCKSRC shmif0)
    731 	macaddr_dst=$(get_macaddr $SOCKDST shmif0)
    732 
    733 	export RUMP_SERVER=$SOCKSRC
    734 
    735 	# Test ping and a resulting routing message (RTM_ADD)
    736 	rump.route -n monitor -c 1 > $file &
    737 	pid=$!
    738 	sleep 1
    739 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
    740 	wait $pid
    741 	$DEBUG && cat $file
    742 
    743 	hdr="RTM_ADD.+<UP,HOST,DONE,LLINFO,CLONED>"
    744 	what="<DST,GATEWAY>"
    745 	addr="$IP4DST $macaddr_dst"
    746 	atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \
    747 		cat $file
    748 
    749 	# Test ping and a resulting routing message (RTM_MISS) on subnet
    750 	rump.route -n monitor -c 1 > $file &
    751 	pid=$!
    752 	sleep 1
    753 	atf_check -s exit:2 -o ignore -e ignore \
    754 		rump.ping -n -w 1 -c 1 $IP4DST_FAIL1
    755 	wait $pid
    756 	$DEBUG && cat $file
    757 
    758 	hdr="RTM_MISS.+<DONE>"
    759 	what="<DST,GATEWAY,AUTHOR>"
    760 	addr="$IP4DST_FAIL1 link#2 $IP4SRC"
    761 	atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \
    762 		cat $file
    763 
    764 	# Test ping and a resulting routing message (RTM_MISS) off subnet
    765 	rump.route -n monitor -c 1 > $file &
    766 	pid=$!
    767 	sleep 1
    768 	atf_check -s exit:2 -o ignore -e ignore \
    769 		rump.ping -n -w 1 -c 1 $IP4DST_FAIL2
    770 	wait $pid
    771 	$DEBUG && cat $file
    772 
    773 	hdr="RTM_MISS.+<DONE>"
    774 	what="<DST>"
    775 	addr="$IP4DST_FAIL2"
    776 	atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \
    777 		cat $file
    778 
    779 	# Test arp -d and resulting routing messages (RTM_DELETE)
    780 	rump.route -n monitor -c 1 > $file &
    781 	pid=$!
    782 	sleep 1
    783 	atf_check -s exit:0 -o ignore rump.arp -d $IP4DST
    784 	wait $pid
    785 	$DEBUG && cat $file
    786 
    787 	hdr="RTM_DELETE.+<HOST,DONE,LLINFO,CLONED>"
    788 	what="<DST,GATEWAY>"
    789 	addr="$IP4DST $macaddr_dst"
    790 	atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \
    791 		grep -A 3 RTM_DELETE $file
    792 
    793 	rump_server_destroy_ifaces
    794 }
    795 
    796 arp_rtm_cleanup()
    797 {
    798 
    799 	$DEBUG && dump
    800 	cleanup
    801 }
    802 
    803 atf_test_case arp_purge_on_route_change cleanup
    804 arp_purge_on_route_change_head()
    805 {
    806 
    807 	atf_set "descr" "Tests if ARP entries are removed on route change"
    808 	atf_set "require.progs" "rump_server"
    809 }
    810 
    811 arp_purge_on_route_change_body()
    812 {
    813 
    814 	rump_server_start $SOCKSRC
    815 	rump_server_start $SOCKDST
    816 
    817 	setup_dst_server
    818 	setup_src_server
    819 
    820 	rump_server_add_iface $SOCKSRC shmif1 bus1
    821 	export RUMP_SERVER=$SOCKSRC
    822 	atf_check -s exit:0 rump.ifconfig shmif1 inet $IP4SRC2/24
    823 	atf_check -s exit:0 rump.ifconfig -w 10
    824 
    825 	$DEBUG && rump.netstat -nr -f inet
    826 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
    827 	$DEBUG && rump.arp -na
    828 	atf_check -s exit:0 -o ignore \
    829 	    rump.route change -net $IP4NET -ifp shmif1
    830 	$DEBUG && rump.netstat -nr -f inet
    831 	$DEBUG && rump.arp -na
    832 	# The entry was already removed on route change
    833 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
    834 
    835 	rump_server_destroy_ifaces
    836 }
    837 
    838 arp_purge_on_route_change_cleanup()
    839 {
    840 
    841 	$DEBUG && dump
    842 	cleanup
    843 }
    844 
    845 atf_test_case arp_purge_on_route_delete cleanup
    846 arp_purge_on_route_delete_head()
    847 {
    848 
    849 	atf_set "descr" "Tests if ARP entries are removed on route delete"
    850 	atf_set "require.progs" "rump_server"
    851 }
    852 
    853 arp_purge_on_route_delete_body()
    854 {
    855 
    856 	rump_server_start $SOCKSRC
    857 	rump_server_start $SOCKDST
    858 
    859 	setup_dst_server
    860 	setup_src_server
    861 
    862 	$DEBUG && rump.netstat -nr -f inet
    863 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
    864 	$DEBUG && rump.arp -na
    865 
    866 	atf_check -s exit:0 -o ignore rump.route delete -net $IP4NET
    867 	$DEBUG && rump.netstat -nr -f inet
    868 	$DEBUG && rump.arp -na
    869 
    870 	# The entry was already removed on route delete
    871 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
    872 
    873 	rump_server_destroy_ifaces
    874 }
    875 
    876 arp_purge_on_route_delete_cleanup()
    877 {
    878 
    879 	$DEBUG && dump
    880 	cleanup
    881 }
    882 
    883 atf_test_case arp_purge_on_ifdown cleanup
    884 arp_purge_on_ifdown_head()
    885 {
    886 
    887 	atf_set "descr" "Tests if ARP entries are removed on interface down"
    888 	atf_set "require.progs" "rump_server"
    889 }
    890 
    891 arp_purge_on_ifdown_body()
    892 {
    893 
    894 	rump_server_start $SOCKSRC
    895 	rump_server_start $SOCKDST
    896 
    897 	setup_dst_server
    898 	setup_src_server
    899 
    900 	$DEBUG && rump.netstat -nr -f inet
    901 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
    902 	atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
    903 
    904 	# Shutdown the interface
    905 	atf_check -s exit:0 rump.ifconfig shmif0 down
    906 	$DEBUG && rump.netstat -nr -f inet
    907 	$DEBUG && rump.arp -na
    908 
    909 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
    910 
    911 	rump_server_destroy_ifaces
    912 }
    913 
    914 arp_purge_on_ifdown_cleanup()
    915 {
    916 
    917 	$DEBUG && dump
    918 	cleanup
    919 }
    920 
    921 atf_test_case arp_stray_entries cleanup
    922 arp_stray_entries_head()
    923 {
    924 
    925 	atf_set "descr" "Tests if ARP entries are removed on route change"
    926 	atf_set "require.progs" "rump_server"
    927 }
    928 
    929 arp_stray_entries_body()
    930 {
    931 
    932 	rump_server_start $SOCKSRC
    933 	rump_server_start $SOCKDST
    934 
    935 	setup_dst_server
    936 	setup_src_server
    937 
    938 	rump_server_add_iface $SOCKSRC shmif1 bus1
    939 
    940 	export RUMP_SERVER=$SOCKSRC
    941 	atf_check -s exit:0 rump.ifconfig shmif1 inet $IP4SRC2/24
    942 	atf_check -s exit:0 rump.ifconfig -w 10
    943 
    944 	$DEBUG && rump.netstat -nr -f inet
    945 	atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
    946 	$DEBUG && rump.arp -na
    947 	atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
    948 	atf_check -s exit:0 -o not-match:'shmif1' rump.arp -n $IP4DST
    949 
    950 	# Clean up
    951 	atf_check -s exit:0 -o ignore rump.arp -da
    952 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
    953 
    954 	# ping from a different source address
    955 	atf_check -s exit:0 -o ignore \
    956 	    rump.ping -n -w 1 -c 1 -I $IP4SRC2 $IP4DST
    957 	$DEBUG && rump.arp -na
    958 	atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
    959 	# ARP reply goes back via shmif1, so a cache is created on shmif1
    960 	atf_check -s exit:0 -o match:'shmif1' rump.arp -n $IP4DST
    961 
    962 	# Clean up by arp -da
    963 	atf_check -s exit:0 -o ignore rump.arp -da
    964 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
    965 
    966 	# ping from a different source address again
    967 	atf_check -s exit:0 -o ignore \
    968 	    rump.ping -n -w 1 -c 1 -I $IP4SRC2 $IP4DST
    969 	atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
    970 	# ARP reply doen't come
    971 	atf_check -s exit:0 -o not-match:'shmif1' rump.arp -n $IP4DST
    972 
    973 	# Cleanup caches on the destination
    974 	export RUMP_SERVER=$SOCKDST
    975 	atf_check -s exit:0 -o ignore rump.arp -da
    976 	export RUMP_SERVER=$SOCKSRC
    977 
    978 	# ping from a different source address again
    979 	atf_check -s exit:0 -o ignore \
    980 	    rump.ping -n -w 1 -c 1 -I $IP4SRC2 $IP4DST
    981 	atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
    982 	# ARP reply goes back via shmif1
    983 	atf_check -s exit:0 -o match:'shmif1' rump.arp -n $IP4DST
    984 
    985 	# Clean up by arp -d <ip>
    986 	atf_check -s exit:0 -o ignore rump.arp -d $IP4DST
    987 	# Both entries should be deleted
    988 	atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
    989 
    990 	rump_server_destroy_ifaces
    991 }
    992 
    993 arp_stray_entries_cleanup()
    994 {
    995 
    996 	$DEBUG && dump
    997 	cleanup
    998 }
    999 
   1000 atf_init_test_cases()
   1001 {
   1002 	atf_add_test_case arp_cache_expiration
   1003 	atf_add_test_case arp_command
   1004 	atf_add_test_case arp_garp
   1005 	atf_add_test_case arp_garp_without_dad
   1006 	atf_add_test_case arp_cache_overwriting
   1007 	atf_add_test_case arp_proxy_arp_pub
   1008 	atf_add_test_case arp_proxy_arp_pubproxy
   1009 	atf_add_test_case arp_link_activation
   1010 	atf_add_test_case arp_static
   1011 	atf_add_test_case arp_rtm
   1012 	atf_add_test_case arp_purge_on_route_change
   1013 	atf_add_test_case arp_purge_on_route_delete
   1014 	atf_add_test_case arp_purge_on_ifdown
   1015 	atf_add_test_case arp_stray_entries
   1016 }
   1017