# $FreeBSD$

. $(atf_get_srcdir)/utils.subr

atf_test_case "cve_2019_5598" "cleanup"
cve_2019_5598_head()
{
	atf_set descr 'Test CVE-2019-5598'
	atf_set require.user root
	atf_set require.progs scapy
}

cve_2019_5598_body()
{
	pft_init

	epair_in=$(vnet_mkepair)
	epair_out=$(vnet_mkepair)
	ifconfig ${epair_in}a 192.0.2.1/24 up
	ifconfig ${epair_out}a up

	vnet_mkjail alcatraz ${epair_in}b ${epair_out}b
	jexec alcatraz ifconfig ${epair_in}b 192.0.2.2/24 up
	jexec alcatraz ifconfig ${epair_out}b 198.51.100.2/24 up
	jexec alcatraz sysctl net.inet.ip.forwarding=1
	jexec alcatraz arp -s 198.51.100.3 00:01:02:03:04:05
	jexec alcatraz route add default 198.51.100.3
	route add -net 198.51.100.0/24 192.0.2.2

	jexec alcatraz pfctl -e
	pft_set_rules alcatraz "block all" \
		"pass in proto udp to 198.51.100.3 port 53" \
		"pass out proto udp to 198.51.100.3 port 53"

	atf_check -s exit:0 $(atf_get_srcdir)/CVE-2019-5598.py \
		--sendif ${epair_in}a \
		--recvif ${epair_out}a \
		--src 192.0.2.1 \
		--to 198.51.100.3
}

cve_2019_5598_cleanup()
{
	pft_cleanup
}

atf_init_test_cases()
{
	atf_add_test_case "cve_2019_5598"
}