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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
     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 	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 
    124 atf_init_test_cases() {
    125 	atf_add_test_case repeated_link_addr
    126 }
    127