t_repeated_link_addr.sh revision 1.1 1 # $NetBSD: t_repeated_link_addr.sh,v 1.1 2020/06/30 11:48:20 jruoho Exp $
2 #
3 # Copyright (c) 2020 The NetBSD Foundation, Inc.
4 # All rights reserved.
5 #
6 # This code is derived from software contributed to The NetBSD Foundation
7 # by Jukka Ruohonen.
8 #
9 # Redistribution and use in source and binary forms, with or without
10 # modification, are permitted provided that the following conditions
11 # are met:
12 # 1. Redistributions of source code must retain the above copyright
13 # notice, this list of conditions and the following disclaimer.
14 # 2. Redistributions in binary form must reproduce the above copyright
15 # notice, this list of conditions and the following disclaimer in the
16 # documentation and/or other materials provided with the distribution.
17 #
18 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 # POSSIBILITY OF SUCH DAMAGE.
29 #
30 atf_test_case repeated_link_addr
31 repeated_link_addr_head() {
32 atf_set "require.user" "root"
33 atf_set "descr" "Check with ifconfig(8) that " \
34 "setting link addresses for active interfaces " \
35 "does not cause a panic (PR kern/41912)"
36 }
37
38 repeated_link_addr_body() {
39
40 fail=0
41 addrs="00:11:00:00:00:00 \
42 00:11:11:00:00:00 \
43 00:11:11:11:00:00 \
44 00:11:11:11:11:00 \
45 00:00:11:00:00:00 \
46 00:00:11:11:00:00 \
47 00:00:11:11:11:00 \
48 00:00:00:11:00:00 \
49 00:00:00:11:11:00"
50
51 pkill -9 hostapd
52 pkill -9 wpa_supplicant
53
54 for i in $(ifconfig -l); do
55
56 state="up"
57 addr=$(ifconfig $i | grep "address")
58 addr=$(echo $addr | sed "s/address: //" | sed 's/ //')
59
60 if [ -z "$addr" ]; then
61 echo "Skipping $i"
62 continue
63 fi
64
65 ifconfig -s $i
66
67 if [ $? -eq 1 ]; then
68 state="down"
69 ifconfig $i up
70 sleep 1
71 fi
72
73 for j in $addrs; do
74
75 echo "Request: ifconfig $i link $j active"
76 ifconfig $i link $j active
77
78 if [ ! $? -eq 0 ]; then
79 fail=1
80 fi
81
82 if [ -z "$(ifconfig $i | grep $j)" ]; then
83 fail=1
84 fi
85
86 sleep 0.5
87 done
88
89 # From the ifconfig(8) manual page:
90 #
91 # "You may not delete the active address from an interface.
92 # You must activate some other address, first."
93 #
94 ifconfig $i link $addr active
95 echo "Restored the link address of $i to $addr"
96 sleep 0.5
97
98 for j in $addrs; do
99 echo "Request: ifconfig $i link $j delete"
100 ifconfig $i link $j delete
101 sleep 0.5
102 done
103
104 ifconfig $i $state
105 echo "Restored state of $i to $state"
106 done
107
108 /bin/sh /etc/rc.d/hostapd restart >/dev/null 2>&1
109 /bin/sh /etc/rc.d/wpa_supplicant restart >/dev/null 2>&1
110
111 if [ $fail -eq 1 ]; then
112 atf_fail "Failed to set link addresses"
113 fi
114
115 atf_pass
116 }
117
118 atf_init_test_cases() {
119 atf_add_test_case repeated_link_addr
120 }
121