t_repeated_link_addr.sh revision 1.2 
1# $NetBSD: t_repeated_link_addr.sh,v 1.2 2020/07/03 02:51:13 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
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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
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28# POSSIBILITY OF SUCH DAMAGE.
29#
30atf_test_case repeated_link_addr
31repeated_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
38repeated_link_addr_body() {
39
40	case $(uname -m) in
41		evbarm)
42			atf_expect_timeout "reason for timeout unknown"
43			;;
44	esac
45
46	fail=0
47	addrs="00:11:00:00:00:00 \
48	       00:11:11:00:00:00 \
49	       00:11:11:11:00:00 \
50	       00:11:11:11:11:00 \
51	       00:00:11:00:00:00 \
52	       00:00:11:11:00:00 \
53	       00:00:11:11:11:00 \
54	       00:00:00:11:00:00 \
55	       00:00:00:11:11:00"
56
57	pkill -9 hostapd
58	pkill -9 wpa_supplicant
59
60	for i in $(ifconfig -l); do
61
62		state="up"
63		addr=$(ifconfig $i | grep "address")
64		addr=$(echo $addr | sed "s/address: //" | sed 's/ //')
65
66		if [ -z "$addr" ]; then
67			echo "Skipping $i"
68			continue
69		fi
70
71		ifconfig -s $i
72
73		if [ $? -eq 1 ]; then
74			state="down"
75			ifconfig $i up
76			sleep 1
77		fi
78
79		for j in $addrs; do
80
81			echo "Request: ifconfig $i link $j active"
82			ifconfig $i link $j active
83
84			if [ ! $? -eq 0 ]; then
85				fail=1
86			fi
87
88			if [ -z "$(ifconfig $i | grep $j)" ]; then
89				fail=1
90			fi
91
92			sleep 0.5
93		done
94
95		# From the ifconfig(8) manual page:
96		#
97		# "You may not delete the active address from an interface.
98		#  You must activate some other address, first."
99		#
100		ifconfig $i link $addr active
101		echo "Restored the link address of $i to $addr"
102		sleep 0.5
103
104		for j in $addrs; do
105			echo "Request: ifconfig $i link $j delete"
106			ifconfig $i link $j delete
107			sleep 0.5
108		done
109
110		ifconfig $i $state
111		echo "Restored state of $i to $state"
112	done
113
114	/bin/sh /etc/rc.d/hostapd restart >/dev/null 2>&1
115	/bin/sh /etc/rc.d/wpa_supplicant restart >/dev/null 2>&1
116
117	if [ $fail -eq 1 ]; then
118		atf_fail "Failed to set link addresses"
119	fi
120
121	atf_pass
122}
123
124atf_init_test_cases() {
125	atf_add_test_case repeated_link_addr
126}
127