Add a test case for PR bin/55389.


(jruoho)

# $NetBSD: t_repeated_scan.sh,v 1.1 2020/06/24 09:11:26 jruoho Exp $
#
# Copyright (c) 2020 The NetBSD Foundation, Inc.
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# This code is derived from software contributed to The NetBSD Foundation
# by Jukka Ruohonen.
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atf_test_case repeated_scan
repeated_scan_head() {
	atf_set "descr" "Test with ifconfig(8) that repeated 802.11 " \
		"scanning does not cause a panic (PR bin/55389)"
}

repeated_scan_body() {

	# Even though this should amount to a "few minutes",
	# try to still avoid stalling any automated test runs.
	#
	n=15

	pkill -9 hostapd
	pkill -9 wpa_supplicant

	for i in $(ifconfig -l); do

		state="up"
		ifconfig -s $i

		if [ $? -eq 1 ]; then

			state="down"
			ifconfig $i up

			if [ ! $? -eq 0 ]; then
				echo "Failed to set $i up"
				continue
			fi
		fi

		sleep 1
		ifconfig $i list scan >/dev/null 2>&1

		if [ ! $? -eq 0 ]; then
			echo "Skipping $i; scan not supported"
			continue
		fi

		while [ $n -gt 0 ]; do
			echo "Test $n for $i"
			ifconfig $i list scan >/dev/null 2>&1
			n=$(expr $n - 1)
		done

		ifconfig $i $state
		echo "Restored state of $i to $state"
		sleep 1
	done

	/bin/sh /etc/rc.d/hostapd restart >/dev/null 2>&1
	/bin/sh /etc/rc.d/wpa_supplicant restart >/dev/null 2>&1
}

atf_init_test_cases() {
	atf_add_test_case repeated_scan
}