t_arp.sh revision 1.45 1 # $NetBSD: t_arp.sh,v 1.45 2020/09/18 16:33:49 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 # Remove ARP entry as it may hang around in WAITDELETE a few seconds
495 atf_check -s ignore rump.arp -d $IP4DST_PROXYARP1
496
497 # Flushing
498 extract_new_packets bus1 > ./out
499
500 # Set up proxy ARP entry
501 export RUMP_SERVER=$SOCKDST
502 atf_check -s exit:0 -o ignore \
503 rump.arp -s $IP4DST_PROXYARP1 $macaddr_dst $opts
504 atf_check -s exit:0 -o match:"$title" rump.arp -n $IP4DST_PROXYARP1
505
506 # Try to ping
507 export RUMP_SERVER=$SOCKSRC
508 atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST_PROXYARP1
509
510 extract_new_packets bus1 > ./out
511 $DEBUG && cat ./out
512
513 pkt1=$(make_pkt_str_arprep $IP4DST_PROXYARP1 $macaddr_dst)
514 pkt2=$(make_pkt_str_garp $IP4DST_PROXYARP1 $macaddr_dst)
515 atf_check -s exit:0 -x "cat ./out |grep -q -e '$pkt1' -e '$pkt2'"
516
517 #
518 # Test#2: Create proxy arp entry then set up an endpoint
519 #
520 export RUMP_SERVER=$SOCKDST
521 atf_check -s exit:0 -o ignore \
522 rump.arp -s $IP4DST_PROXYARP2 $macaddr_dst $opts
523 atf_check -s exit:0 -o match:"$title" rump.arp -n $IP4DST_PROXYARP2
524 $DEBUG && rump.netstat -nr -f inet
525
526 # Try to ping (should fail because no endpoint exists)
527 export RUMP_SERVER=$SOCKSRC
528 atf_check -s not-exit:0 -o ignore -e ignore \
529 rump.ping -n -w 1 -c 1 $IP4DST_PROXYARP2
530 # Remove ARP entry as it may hang around in WAITDELETE a few seconds
531 atf_check -s ignore rump.arp -d $IP4DST_PROXYARP2
532
533 extract_new_packets bus1 > ./out
534 $DEBUG && cat ./out
535
536 # ARP reply should be sent
537 pkt=$(make_pkt_str_arprep $IP4DST_PROXYARP2 $macaddr_dst)
538 atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
539
540 export RUMP_SERVER=$SOCKDST
541 rump_server_add_iface $SOCKDST tap2
542 atf_check -s exit:0 rump.ifconfig tap2 $IP4DST_PROXYARP2/24 up
543 atf_check -s exit:0 rump.ifconfig -w 10
544
545 # Try to ping
546 export RUMP_SERVER=$SOCKSRC
547 atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST_PROXYARP2
548 }
549
550 arp_proxy_arp_pub_body()
551 {
552
553 test_proxy_arp pub
554 rump_server_destroy_ifaces
555 }
556
557 arp_proxy_arp_pubproxy_body()
558 {
559
560 test_proxy_arp pubproxy
561 rump_server_destroy_ifaces
562 }
563
564 arp_link_activation_body()
565 {
566
567 rump_server_start $SOCKSRC
568 rump_server_start $SOCKDST
569
570 setup_dst_server
571 setup_src_server
572
573 # flush old packets
574 extract_new_packets bus1 > ./out
575
576 export RUMP_SERVER=$SOCKSRC
577
578 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \
579 b2:a1:00:00:00:01
580
581 atf_check -s exit:0 sleep 1
582 extract_new_packets bus1 > ./out
583 $DEBUG && cat ./out
584
585 pkt=$(make_pkt_str_arpreq $IP4SRC $IP4SRC)
586 atf_check -s exit:0 -o not-match:"$pkt" cat ./out
587
588 atf_check -s exit:0 -o ignore rump.ifconfig shmif0 link \
589 b2:a1:00:00:00:02 active
590
591 atf_check -s exit:0 sleep 1
592 extract_new_packets bus1 > ./out
593 $DEBUG && cat ./out
594
595 pkt=$(make_pkt_str_arpreq $IP4SRC $IP4SRC)
596 atf_check -s exit:0 -o match:"b2:a1:00:00:00:02 $pkt" cat ./out
597
598 rump_server_destroy_ifaces
599 }
600
601 arp_static_body()
602 {
603 local macaddr_src=
604
605 rump_server_start $SOCKSRC
606 rump_server_start $SOCKDST
607
608 setup_dst_server
609 setup_src_server
610
611 macaddr_src=$(get_macaddr $SOCKSRC shmif0)
612
613 # Set a (valid) static ARP entry for the src server
614 export RUMP_SERVER=$SOCKDST
615 $DEBUG && rump.arp -n -a
616 atf_check -s exit:0 -o ignore rump.arp -s $IP4SRC $macaddr_src
617 $DEBUG && rump.arp -n -a
618
619 # Test receiving an ARP request with the static ARP entry (as spa/sha)
620 export RUMP_SERVER=$SOCKSRC
621 atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
622
623 rump_server_destroy_ifaces
624 }
625
626 arp_cache_expiration_cleanup()
627 {
628 $DEBUG && dump
629 cleanup
630 }
631
632 arp_command_cleanup()
633 {
634 $DEBUG && dump
635 cleanup
636 }
637
638 arp_garp_cleanup()
639 {
640 $DEBUG && dump
641 cleanup
642 }
643
644 arp_garp_without_dad_cleanup()
645 {
646
647 $DEBUG && dump
648 cleanup
649 }
650
651 arp_cache_overwriting_cleanup()
652 {
653 $DEBUG && dump
654 cleanup
655 }
656
657 arp_proxy_arp_pub_cleanup()
658 {
659 $DEBUG && dump
660 cleanup
661 }
662
663 arp_proxy_arp_pubproxy_cleanup()
664 {
665 $DEBUG && dump
666 cleanup
667 }
668
669 arp_link_activation_cleanup()
670 {
671 $DEBUG && dump
672 cleanup
673 }
674
675 arp_static_cleanup()
676 {
677 $DEBUG && dump
678 cleanup
679 }
680
681 atf_test_case arp_rtm cleanup
682 arp_rtm_head()
683 {
684
685 atf_set "descr" "Tests for routing messages on operations of ARP entries"
686 atf_set "require.progs" "rump_server"
687 }
688
689 arp_rtm_body()
690 {
691 local macaddr_src= macaddr_dst=
692 local file=./tmp
693 local pid= hdr= what= addr=
694
695 rump_server_start $SOCKSRC
696 rump_server_start $SOCKDST
697
698 setup_dst_server
699 setup_src_server
700
701 macaddr_src=$(get_macaddr $SOCKSRC shmif0)
702 macaddr_dst=$(get_macaddr $SOCKDST shmif0)
703
704 export RUMP_SERVER=$SOCKSRC
705
706 # Test ping and a resulting routing message (RTM_ADD)
707 rump.route -n monitor -c 1 > $file &
708 pid=$!
709 sleep 1
710 atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
711 wait $pid
712 $DEBUG && cat $file
713
714 hdr="RTM_ADD.+<UP,HOST,DONE,LLINFO,CLONED>"
715 what="<DST,GATEWAY>"
716 addr="$IP4DST $macaddr_dst"
717 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \
718 cat $file
719
720 # Test ping and a resulting routing message (RTM_MISS) on subnet
721 rump.route -n monitor -c 1 > $file &
722 pid=$!
723 sleep 1
724 atf_check -s exit:2 -o ignore -e ignore \
725 rump.ping -n -w 1 -c 1 $IP4DST_FAIL1
726 wait $pid
727 $DEBUG && cat $file
728
729 hdr="RTM_MISS.+<DONE>"
730 what="<DST,GATEWAY,AUTHOR>"
731 addr="$IP4DST_FAIL1 link#2 $IP4SRC"
732 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \
733 cat $file
734
735 # Test ping and a resulting routing message (RTM_MISS) off subnet
736 rump.route -n monitor -c 1 > $file &
737 pid=$!
738 sleep 1
739 atf_check -s exit:2 -o ignore -e ignore \
740 rump.ping -n -w 1 -c 1 $IP4DST_FAIL2
741 wait $pid
742 $DEBUG && cat $file
743
744 hdr="RTM_MISS.+<DONE>"
745 what="<DST>"
746 addr="$IP4DST_FAIL2"
747 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \
748 cat $file
749
750 # Test arp -d and resulting routing messages (RTM_DELETE)
751 rump.route -n monitor -c 1 > $file &
752 pid=$!
753 sleep 1
754 atf_check -s exit:0 -o ignore rump.arp -d $IP4DST
755 wait $pid
756 $DEBUG && cat $file
757
758 hdr="RTM_DELETE.+<HOST,DONE,LLINFO,CLONED>"
759 what="<DST,GATEWAY>"
760 addr="$IP4DST $macaddr_dst"
761 atf_check -s exit:0 -o match:"$hdr" -o match:"$what" -o match:"$addr" \
762 grep -A 3 RTM_DELETE $file
763
764 rump_server_destroy_ifaces
765 }
766
767 arp_rtm_cleanup()
768 {
769
770 $DEBUG && dump
771 cleanup
772 }
773
774 atf_test_case arp_purge_on_route_change cleanup
775 arp_purge_on_route_change_head()
776 {
777
778 atf_set "descr" "Tests if ARP entries are removed on route change"
779 atf_set "require.progs" "rump_server"
780 }
781
782 arp_purge_on_route_change_body()
783 {
784
785 rump_server_start $SOCKSRC
786 rump_server_start $SOCKDST
787
788 setup_dst_server
789 setup_src_server
790
791 rump_server_add_iface $SOCKSRC shmif1 bus1
792 export RUMP_SERVER=$SOCKSRC
793 atf_check -s exit:0 rump.ifconfig shmif1 inet $IP4SRC2/24
794 atf_check -s exit:0 rump.ifconfig -w 10
795
796 $DEBUG && rump.netstat -nr -f inet
797 atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
798 $DEBUG && rump.arp -na
799 atf_check -s exit:0 -o ignore \
800 rump.route change -net $IP4NET -ifp shmif1
801 $DEBUG && rump.netstat -nr -f inet
802 $DEBUG && rump.arp -na
803 # The entry was already removed on route change
804 atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
805
806 rump_server_destroy_ifaces
807 }
808
809 arp_purge_on_route_change_cleanup()
810 {
811
812 $DEBUG && dump
813 cleanup
814 }
815
816 atf_test_case arp_purge_on_route_delete cleanup
817 arp_purge_on_route_delete_head()
818 {
819
820 atf_set "descr" "Tests if ARP entries are removed on route delete"
821 atf_set "require.progs" "rump_server"
822 }
823
824 arp_purge_on_route_delete_body()
825 {
826
827 rump_server_start $SOCKSRC
828 rump_server_start $SOCKDST
829
830 setup_dst_server
831 setup_src_server
832
833 $DEBUG && rump.netstat -nr -f inet
834 atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
835 $DEBUG && rump.arp -na
836
837 atf_check -s exit:0 -o ignore rump.route delete -net $IP4NET
838 $DEBUG && rump.netstat -nr -f inet
839 $DEBUG && rump.arp -na
840
841 # The entry was already removed on route delete
842 atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
843
844 rump_server_destroy_ifaces
845 }
846
847 arp_purge_on_route_delete_cleanup()
848 {
849
850 $DEBUG && dump
851 cleanup
852 }
853
854 atf_test_case arp_purge_on_ifdown cleanup
855 arp_purge_on_ifdown_head()
856 {
857
858 atf_set "descr" "Tests if ARP entries are removed on interface down"
859 atf_set "require.progs" "rump_server"
860 }
861
862 arp_purge_on_ifdown_body()
863 {
864
865 rump_server_start $SOCKSRC
866 rump_server_start $SOCKDST
867
868 setup_dst_server
869 setup_src_server
870
871 $DEBUG && rump.netstat -nr -f inet
872 atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
873 atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
874
875 # Shutdown the interface
876 atf_check -s exit:0 rump.ifconfig shmif0 down
877 $DEBUG && rump.netstat -nr -f inet
878 $DEBUG && rump.arp -na
879
880 atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
881
882 rump_server_destroy_ifaces
883 }
884
885 arp_purge_on_ifdown_cleanup()
886 {
887
888 $DEBUG && dump
889 cleanup
890 }
891
892 atf_test_case arp_stray_entries cleanup
893 arp_stray_entries_head()
894 {
895
896 atf_set "descr" "Tests if ARP entries are removed on route change"
897 atf_set "require.progs" "rump_server"
898 }
899
900 arp_stray_entries_body()
901 {
902
903 rump_server_start $SOCKSRC
904 rump_server_start $SOCKDST
905
906 setup_dst_server
907 setup_src_server
908
909 rump_server_add_iface $SOCKSRC shmif1 bus1
910
911 export RUMP_SERVER=$SOCKSRC
912 atf_check -s exit:0 rump.ifconfig shmif1 inet $IP4SRC2/24
913 atf_check -s exit:0 rump.ifconfig -w 10
914
915 $DEBUG && rump.netstat -nr -f inet
916 atf_check -s exit:0 -o ignore rump.ping -n -w 1 -c 1 $IP4DST
917 $DEBUG && rump.arp -na
918 atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
919 atf_check -s exit:0 -o not-match:'shmif1' rump.arp -n $IP4DST
920
921 # Clean up
922 atf_check -s exit:0 -o ignore rump.arp -da
923 atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
924
925 # ping from a different source address
926 atf_check -s exit:0 -o ignore \
927 rump.ping -n -w 1 -c 1 -I $IP4SRC2 $IP4DST
928 $DEBUG && rump.arp -na
929 atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
930 # ARP reply goes back via shmif1, so a cache is created on shmif1
931 atf_check -s exit:0 -o match:'shmif1' rump.arp -n $IP4DST
932
933 # Clean up by arp -da
934 atf_check -s exit:0 -o ignore rump.arp -da
935 atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
936
937 # ping from a different source address again
938 atf_check -s exit:0 -o ignore \
939 rump.ping -n -w 1 -c 1 -I $IP4SRC2 $IP4DST
940 atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
941 # ARP reply doen't come
942 atf_check -s exit:0 -o not-match:'shmif1' rump.arp -n $IP4DST
943
944 # Cleanup caches on the destination
945 export RUMP_SERVER=$SOCKDST
946 atf_check -s exit:0 -o ignore rump.arp -da
947 export RUMP_SERVER=$SOCKSRC
948
949 # ping from a different source address again
950 atf_check -s exit:0 -o ignore \
951 rump.ping -n -w 1 -c 1 -I $IP4SRC2 $IP4DST
952 atf_check -s exit:0 -o match:'shmif0' rump.arp -n $IP4DST
953 # ARP reply goes back via shmif1
954 atf_check -s exit:0 -o match:'shmif1' rump.arp -n $IP4DST
955
956 # Clean up by arp -d <ip>
957 atf_check -s exit:0 -o ignore rump.arp -d $IP4DST
958 # Both entries should be deleted
959 atf_check -s not-exit:0 -e match:'no entry' rump.arp -n $IP4DST
960
961 rump_server_destroy_ifaces
962 }
963
964 arp_stray_entries_cleanup()
965 {
966
967 $DEBUG && dump
968 cleanup
969 }
970
971 atf_init_test_cases()
972 {
973 atf_add_test_case arp_cache_expiration
974 atf_add_test_case arp_command
975 atf_add_test_case arp_garp
976 atf_add_test_case arp_garp_without_dad
977 atf_add_test_case arp_cache_overwriting
978 atf_add_test_case arp_proxy_arp_pub
979 atf_add_test_case arp_proxy_arp_pubproxy
980 atf_add_test_case arp_link_activation
981 atf_add_test_case arp_static
982 atf_add_test_case arp_rtm
983 atf_add_test_case arp_purge_on_route_change
984 atf_add_test_case arp_purge_on_route_delete
985 atf_add_test_case arp_purge_on_ifdown
986 atf_add_test_case arp_stray_entries
987 }
988