1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
# $NetBSD: t_dad.sh,v 1.13 2016/11/25 08:51:16 ozaki-r Exp $
#
# Copyright (c) 2015 The NetBSD Foundation, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
SOCKLOCAL=unix://commsock1
SOCKPEER=unix://commsock2
DEBUG=${DEBUG:-false}
atf_test_case dad_basic cleanup
atf_test_case dad_duplicated cleanup
dad_basic_head()
{
atf_set "descr" "Tests for IPv4 DAD basic behavior"
atf_set "require.progs" "rump_server"
}
dad_duplicated_head()
{
atf_set "descr" "Tests for IPv4 DAD duplicated state"
atf_set "require.progs" "rump_server"
}
setup_server()
{
local sock=$1
local ip=$2
rump_server_add_iface $sock shmif0 bus1
export RUMP_SERVER=$sock
atf_check -s exit:0 rump.ifconfig shmif0 inet $ip/24
atf_check -s exit:0 rump.ifconfig shmif0 up
atf_check -s exit:0 rump.ifconfig -w 10
$DEBUG && rump.ifconfig shmif0
}
make_pkt_str()
{
local target=$1
local sender=$2
pkt="> ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42:"
pkt="$pkt Request who-has $target tell $sender, length 28"
echo $pkt
}
dad_basic_body()
{
local pkt=
rump_server_start $SOCKLOCAL
rump_server_add_iface $SOCKLOCAL shmif0 bus1
export RUMP_SERVER=$SOCKLOCAL
atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.1/24
atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.2/24 alias
$DEBUG && rump.ifconfig shmif0
atf_check -s exit:0 rump.ifconfig shmif0 up
rump.ifconfig shmif0 > ./out
$DEBUG && cat ./out
# The primary address doesn't start with tentative state
atf_check -s not-exit:0 -x "cat ./out |grep 10.0.0.1 |grep -iq tentative"
# The alias address starts with tentative state
# XXX we have no stable way to check this, so skip for now
#atf_check -s exit:0 -x "cat ./out |grep 10.0.0.2 |grep -iq tentative"
atf_check -s exit:0 sleep 2
extract_new_packets bus1 > ./out
$DEBUG && cat ./out
# Check DAD probe packets
pkt=$(make_pkt_str 10.0.0.2 0.0.0.0)
atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
# No DAD for the primary address
pkt=$(make_pkt_str 10.0.0.1 0.0.0.0)
atf_check -s not-exit:0 -x "cat ./out |grep -q '$pkt'"
# Waiting for DAD complete
atf_check -s exit:0 rump.ifconfig -w 10
# Give a chance to send a DAD announce packet
atf_check -s exit:0 sleep 1
extract_new_packets bus1 > ./out
$DEBUG && cat ./out
# Check the DAD announce packet
pkt=$(make_pkt_str 10.0.0.2 10.0.0.2)
atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
# The alias address left tentative
atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep 10.0.0.2 |grep -iq tentative"
#
# Add a new address on the fly
#
atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.3/24 alias
# The new address starts with tentative state
# XXX we have no stable way to check this, so skip for now
#atf_check -s exit:0 -x "rump.ifconfig shmif0 |grep 10.0.0.3 |grep -iq tentative"
# Check DAD probe packets
atf_check -s exit:0 sleep 2
extract_new_packets bus1 > ./out
$DEBUG && cat ./out
pkt=$(make_pkt_str 10.0.0.3 0.0.0.0)
atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
# Waiting for DAD complete
atf_check -s exit:0 rump.ifconfig -w 10
# Give a chance to send a DAD announce packet
atf_check -s exit:0 sleep 1
extract_new_packets bus1 > ./out
$DEBUG && cat ./out
# Check the DAD announce packet
pkt=$(make_pkt_str 10.0.0.3 10.0.0.3)
atf_check -s exit:0 -x "cat ./out |grep -q '$pkt'"
# The new address left tentative
atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep 10.0.0.3 |grep -iq tentative"
rump_server_destroy_ifaces
}
dad_duplicated_body()
{
local localip1=10.0.1.1
local localip2=10.0.1.11
local peerip=10.0.1.2
rump_server_start $SOCKLOCAL
rump_server_start $SOCKPEER
setup_server $SOCKLOCAL $localip1
setup_server $SOCKPEER $peerip
export RUMP_SERVER=$SOCKLOCAL
# The primary address isn't marked as duplicated
atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep $localip1 |grep -iq duplicated"
#
# Add a new address duplicated with the peer server
#
atf_check -s exit:0 rump.ifconfig shmif0 inet $peerip alias
atf_check -s exit:0 sleep 1
# The new address is marked as duplicated
atf_check -s exit:0 -x "rump.ifconfig shmif0 |grep $peerip |grep -iq duplicated"
# A unique address isn't marked as duplicated
atf_check -s exit:0 rump.ifconfig shmif0 inet $localip2 alias
atf_check -s exit:0 sleep 1
atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep $localip2 |grep -iq duplicated"
rump_server_destroy_ifaces
}
dad_basic_cleanup()
{
$DEBUG && dump
cleanup
}
dad_duplicated_cleanup()
{
$DEBUG && dump
cleanup
}
atf_init_test_cases()
{
atf_add_test_case dad_basic
atf_add_test_case dad_duplicated
}
|
