1#	$NetBSD: t_dad.sh,v 1.15 2017/03/11 02:01:10 ozaki-r Exp $
2#
3# Copyright (c) 2015 The NetBSD Foundation, Inc.
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14#
15# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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26#
27
28SOCKLOCAL=unix://commsock1
29SOCKPEER=unix://commsock2
30
31DEBUG=${DEBUG:-false}
32
33atf_test_case dad_basic cleanup
34atf_test_case dad_duplicated cleanup
35
36dad_basic_head()
37{
38	atf_set "descr" "Tests for IPv4 DAD basic behavior"
39	atf_set "require.progs" "rump_server"
40}
41
42dad_duplicated_head()
43{
44	atf_set "descr" "Tests for IPv4 DAD duplicated state"
45	atf_set "require.progs" "rump_server"
46}
47
48setup_server()
49{
50	local sock=$1
51	local ip=$2
52
53	rump_server_add_iface $sock shmif0 bus1
54
55	export RUMP_SERVER=$sock
56	atf_check -s exit:0 rump.ifconfig shmif0 inet $ip/24
57	atf_check -s exit:0 rump.ifconfig shmif0 up
58	atf_check -s exit:0 rump.ifconfig -w 10
59
60	$DEBUG && rump.ifconfig shmif0
61}
62
63make_pkt_str()
64{
65	local target=$1
66	local sender=$2
67	pkt="> ff:ff:ff:ff:ff:ff, ethertype ARP \(0x0806\), length 42:"
68	pkt="$pkt Request who-has $target tell $sender, length 28"
69	echo $pkt
70}
71
72dad_basic_body()
73{
74	local pkt=
75
76	rump_server_start $SOCKLOCAL
77	rump_server_add_iface $SOCKLOCAL shmif0 bus1
78
79	export RUMP_SERVER=$SOCKLOCAL
80
81	# Increase the number of trials, which makes the tests stable
82	atf_check -s exit:0 -o match:'3 -> 5' \
83	    rump.sysctl -w net.inet.ip.dad_count=5
84
85	atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.1/24
86	atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.2/24 alias
87	$DEBUG && rump.ifconfig shmif0
88
89	atf_check -s exit:0 rump.ifconfig shmif0 up
90	rump.ifconfig shmif0 > ./out
91	$DEBUG && cat ./out
92
93	# The primary address doesn't start with tentative state
94	atf_check -s exit:0 -o not-match:'10\.0\.0\.1.+TENTATIVE' cat ./out
95	# The alias address starts with tentative state
96	atf_check -s exit:0 -o match:'10\.0\.0\.2.+TENTATIVE' cat ./out
97
98	atf_check -s exit:0 sleep 2
99	extract_new_packets bus1 > ./out
100	$DEBUG && cat ./out
101
102	# Check DAD probe packets
103	pkt=$(make_pkt_str 10.0.0.2 0.0.0.0)
104	atf_check -s exit:0 -o match:"$pkt" cat ./out
105	# No DAD for the primary address
106	pkt=$(make_pkt_str 10.0.0.1 0.0.0.0)
107	atf_check -s exit:0 -o not-match:"$pkt" cat ./out
108
109	# Waiting for DAD complete
110	atf_check -s exit:0 rump.ifconfig -w 10
111	# Give a chance to send a DAD announce packet
112	atf_check -s exit:0 sleep 2
113	extract_new_packets bus1 > ./out
114	$DEBUG && cat ./out
115
116	# Check the DAD announce packet
117	pkt=$(make_pkt_str 10.0.0.2 10.0.0.2)
118	atf_check -s exit:0 -o match:"$pkt" cat ./out
119	# The alias address left tentative
120	atf_check -s exit:0 -o not-match:'10\.0\.0\.2.+TENTATIVE' \
121	    rump.ifconfig shmif0
122
123	#
124	# Add a new address on the fly
125	#
126	atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.3/24 alias
127
128	# The new address starts with tentative state
129	atf_check -s exit:0 -o match:'10\.0\.0\.3.+TENTATIVE' \
130	    rump.ifconfig shmif0
131
132	# Check DAD probe packets
133	atf_check -s exit:0 sleep 2
134	extract_new_packets bus1 > ./out
135	$DEBUG && cat ./out
136	pkt=$(make_pkt_str 10.0.0.3 0.0.0.0)
137	atf_check -s exit:0 -o match:"$pkt" cat ./out
138
139	# Waiting for DAD complete
140	atf_check -s exit:0 rump.ifconfig -w 10
141	# Give a chance to send a DAD announce packet
142	atf_check -s exit:0 sleep 2
143	extract_new_packets bus1 > ./out
144	$DEBUG && cat ./out
145
146	# Check the DAD announce packet
147	pkt=$(make_pkt_str 10.0.0.3 10.0.0.3)
148	atf_check -s exit:0 -o match:"$pkt" cat ./out
149	# The new address left tentative
150	atf_check -s exit:0 -o not-match:'10\.0\.0\.3.+TENTATIVE' \
151	    rump.ifconfig shmif0
152
153	rump_server_destroy_ifaces
154}
155
156dad_duplicated_body()
157{
158	local localip1=10.0.1.1
159	local localip2=10.0.1.11
160	local peerip=10.0.1.2
161
162	rump_server_start $SOCKLOCAL
163	rump_server_start $SOCKPEER
164
165	setup_server $SOCKLOCAL $localip1
166	setup_server $SOCKPEER $peerip
167
168	export RUMP_SERVER=$SOCKLOCAL
169
170	# The primary address isn't marked as duplicated
171	atf_check -s exit:0 -o not-match:"${localip1}.+DUPLICATED" \
172	    rump.ifconfig shmif0
173
174	#
175	# Add a new address duplicated with the peer server
176	#
177	atf_check -s exit:0 rump.ifconfig shmif0 inet $peerip alias
178	atf_check -s exit:0 sleep 2
179
180	# The new address is marked as duplicated
181	atf_check -s exit:0 -o match:"${peerip}.+DUPLICATED" \
182	    rump.ifconfig shmif0
183
184	# A unique address isn't marked as duplicated
185	atf_check -s exit:0 rump.ifconfig shmif0 inet $localip2 alias
186	atf_check -s exit:0 sleep 2
187	atf_check -s exit:0 -o not-match:"${localip2}.+DUPLICATED" \
188	    rump.ifconfig shmif0
189
190	rump_server_destroy_ifaces
191}
192
193dad_basic_cleanup()
194{
195	$DEBUG && dump
196	cleanup
197}
198
199dad_duplicated_cleanup()
200{
201	$DEBUG && dump
202	cleanup
203}
204
205atf_init_test_cases()
206{
207	atf_add_test_case dad_basic
208	atf_add_test_case dad_duplicated
209}
210