1 files changed, 535 insertions, 0 deletions
diff --git a/tests/sys/netinet6/forward6.sh b/tests/sys/netinet6/forward6.sh
new file mode 100755
index 000000000000..e4b027bf281a
--- /dev/null
+++ b/tests/sys/netinet6/forward6.sh
@@ -0,0 +1,535 @@
+#!/usr/bin/env atf-sh
+#-
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2020 Alexander V. Chernikov
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+#
+
+. $(atf_get_srcdir)/../common/vnet.subr
+
+atf_test_case "fwd_ip6_gu_icmp_iface_fast_success" "cleanup"
+fwd_ip6_gu_icmp_iface_fast_success_head() {
+
+	atf_set descr 'Test valid IPv6 global unicast fast-forwarding to interface'
+	atf_set require.user root
+	atf_set require.progs python3 scapy
+}
+
+fwd_ip6_gu_icmp_iface_fast_success_body() {
+
+	ids=65529
+	id=`printf "%x" ${ids}`
+	if [ $$ -gt 65535 ]; then
+		xl=`printf "%x" $(($$ - 65535))`
+		yl="1"
+	else
+		xl=`printf "%x" $$`
+		yl=""
+	fi
+
+	vnet_init
+
+	ip6a="2001:db8:6666:0000:${yl}:${id}:1:${xl}"
+	ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}"
+	plen=96
+
+	src_ip="2001:db8:6666:0000:${yl}:${id}:3:${xl}"
+
+	script_name="../common/sender.py"
+
+	epair=$(vnet_mkepair)
+	ifconfig ${epair}a up
+	ifconfig ${epair}a inet6 ${ip6a}/${plen}
+
+	jname="v6t-${id}-${yl}-${xl}"
+	vnet_mkjail ${jname} ${epair}b
+	jexec ${jname} ifconfig ${epair}b up
+	jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/${plen}
+
+	jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
+
+	our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'`
+
+	# wait for DAD to complete
+	while [ `jexec ${jname} ifconfig ${epair}b inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+	while [ `ifconfig ${epair}a inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+
+	jexec ${jname} sysctl net.inet6.ip6.forwarding=1
+	# As we're doing router-on-the-stick, turn sending IP redirects off:
+	jexec ${jname} sysctl net.inet6.ip6.redirect=0
+
+	atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
+		--test_name fwd_ip6_icmp \
+		--smac ${our_mac} --dmac ${jail_mac} \
+		--sip ${src_ip} --dip ${ip6a} \
+		--iface ${epair}a 
+	
+	# check counters are valid
+	atf_check -o match:'1 packet forwarded' jexec ${jname} netstat -sp ip6
+}
+
+fwd_ip6_gu_icmp_iface_fast_success_cleanup() {
+
+	vnet_cleanup
+}
+
+atf_test_case "fwd_ip6_gu_icmp_gw_gu_fast_success" "cleanup"
+fwd_ip6_gu_icmp_gw_gu_fast_success_head() {
+
+	atf_set descr 'Test valid IPv6 global unicast fast-forwarding to GU gw'
+	atf_set require.user root
+	atf_set require.progs python3 scapy
+}
+
+fwd_ip6_gu_icmp_gw_gu_fast_success_body() {
+
+	ids=65528
+	id=`printf "%x" ${ids}`
+	if [ $$ -gt 65535 ]; then
+		xl=`printf "%x" $(($$ - 65535))`
+		yl="1"
+	else
+		xl=`printf "%x" $$`
+		yl=""
+	fi
+
+	vnet_init
+
+	ip6a="2001:db8:6666:0000:${yl}:${id}:1:${xl}"
+	ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}"
+	plen=96
+
+	src_ip="2001:db8:6666:0000:${yl}:${id}:3:${xl}"
+	dst_ip="2001:db8:6666:0000:${yl}:${id}:4:${xl}"
+
+	script_name="../common/sender.py"
+
+	epair=$(vnet_mkepair)
+	ifconfig ${epair}a up
+	ifconfig ${epair}a inet6 ${ip6a}/${plen}
+
+	jname="v6t-${id}-${yl}-${xl}"
+	vnet_mkjail ${jname} ${epair}b
+	jexec ${jname} ifconfig ${epair}b up
+	jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/${plen}
+
+	jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
+
+	our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'`
+
+	# wait for DAD to complete
+	while [ `jexec ${jname} ifconfig ${epair}b inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+	while [ `ifconfig ${epair}a inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+
+	# Add static route back to us
+	jexec ${jname} route add -6 -host ${dst_ip} ${ip6a}
+
+	jexec ${jname} sysctl net.inet6.ip6.forwarding=1
+	# As we're doing router-on-the-stick, turn sending IP redirects off:
+	jexec ${jname} sysctl net.inet6.ip6.redirect=0
+
+	atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
+		--test_name fwd_ip6_icmp \
+		--smac ${our_mac} --dmac ${jail_mac} \
+		--sip ${src_ip} --dip ${dst_ip} \
+		--iface ${epair}a 
+	
+	# check counters are valid
+	atf_check -o match:'1 packet forwarded' jexec ${jname} netstat -sp ip6
+}
+
+fwd_ip6_gu_icmp_gw_gu_fast_success_cleanup() {
+
+	vnet_cleanup
+}
+
+atf_test_case "fwd_ip6_gu_icmp_gw_ll_fast_success" "cleanup"
+fwd_ip6_gu_icmp_gw_ll_fast_success_head() {
+
+	atf_set descr 'Test valid IPv6 global unicast fast-forwarding to LL gw'
+	atf_set require.user root
+	atf_set require.progs python3 scapy
+}
+
+fwd_ip6_gu_icmp_gw_ll_fast_success_body() {
+
+	ids=65527
+	id=`printf "%x" ${ids}`
+	if [ $$ -gt 65535 ]; then
+		xl=`printf "%x" $(($$ - 65535))`
+		yl="1"
+	else
+		xl=`printf "%x" $$`
+		yl=""
+	fi
+
+	vnet_init
+
+	ip6a="2001:db8:6666:0000:${yl}:${id}:1:${xl}"
+	ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}"
+	plen=96
+
+	src_ip="2001:db8:6666:0000:${yl}:${id}:3:${xl}"
+	dst_ip="2001:db8:6666:0000:${yl}:${id}:4:${xl}"
+
+	script_name="../common/sender.py"
+
+	epair=$(vnet_mkepair)
+	ifconfig ${epair}a up
+	ifconfig ${epair}a inet6 ${ip6a}/${plen}
+
+	jname="v6t-${id}-${yl}-${xl}"
+	vnet_mkjail ${jname} ${epair}b
+	jexec ${jname} ifconfig ${epair}b up
+	jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/${plen}
+
+	jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
+
+	our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'`
+	our_ll_ip=`ifconfig ${epair}a inet6 | awk '$1~/inet6/&& $2~/^fe80:/{print$2}' | awk -F% '{print$1}'`
+
+	# wait for DAD to complete
+	while [ `jexec ${jname} ifconfig ${epair}b inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+	while [ `ifconfig ${epair}a inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+
+	# Add static route back to us
+	atf_check -s exit:0 -o ignore jexec ${jname} route add -6 -host ${dst_ip} ${our_ll_ip}%${epair}b
+
+	jexec ${jname} sysctl net.inet6.ip6.forwarding=1
+	# As we're doing router-on-the-stick, turn sending IP redirects off:
+	jexec ${jname} sysctl net.inet6.ip6.redirect=0
+
+	atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
+		--test_name fwd_ip6_icmp \
+		--smac ${our_mac} --dmac ${jail_mac} \
+		--sip ${src_ip} --dip ${dst_ip} \
+		--iface ${epair}a 
+	
+	# check counters are valid
+	atf_check -o match:'1 packet forwarded' jexec ${jname} netstat -sp ip6
+}
+
+fwd_ip6_gu_icmp_gw_ll_fast_success_cleanup() {
+
+	vnet_cleanup
+}
+
+atf_test_case "fwd_ip6_gu_icmp_iface_slow_success" "cleanup"
+fwd_ip6_gu_icmp_iface_slow_success_head() {
+
+	atf_set descr 'Test valid IPv6 global unicast fast-forwarding to interface'
+	atf_set require.user root
+	atf_set require.progs python3 scapy
+}
+
+fwd_ip6_gu_icmp_iface_slow_success_body() {
+
+	ids=65526
+	id=`printf "%x" ${ids}`
+	if [ $$ -gt 65535 ]; then
+		xl=`printf "%x" $(($$ - 65535))`
+		yl="1"
+	else
+		xl=`printf "%x" $$`
+		yl=""
+	fi
+
+	vnet_init
+
+	ip6a="2001:db8:6666:0000:${yl}:${id}:1:${xl}"
+	ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}"
+	plen=96
+
+	src_ip="2001:db8:6666:0000:${yl}:${id}:3:${xl}"
+
+	script_name="../common/sender.py"
+
+	epair=$(vnet_mkepair)
+	ifconfig ${epair}a up
+	ifconfig ${epair}a inet6 ${ip6a}/${plen}
+
+	jname="v6t-${id}-${yl}-${xl}"
+	vnet_mkjail ${jname} ${epair}b
+	jexec ${jname} ifconfig ${epair}b up
+	jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/${plen}
+
+	jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
+
+	our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'`
+
+	# wait for DAD to complete
+	while [ `jexec ${jname} ifconfig ${epair}b inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+	while [ `ifconfig ${epair}a inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+
+	jexec ${jname} sysctl net.inet6.ip6.forwarding=1
+	# Do not turn off route redirects to ensure slow path is on
+
+	atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
+		--test_name fwd_ip6_icmp \
+		--smac ${our_mac} --dmac ${jail_mac} \
+		--sip ${src_ip} --dip ${ip6a} \
+		--iface ${epair}a 
+	
+	# check counters are valid
+	atf_check -o match:'1 packet forwarded' jexec ${jname} netstat -sp ip6
+}
+
+fwd_ip6_gu_icmp_iface_slow_success_cleanup() {
+
+	vnet_cleanup
+}
+
+atf_test_case "fwd_ip6_gu_icmp_gw_gu_slow_success" "cleanup"
+fwd_ip6_gu_icmp_gw_gu_slow_success_head() {
+
+	atf_set descr 'Test valid IPv6 global unicast fast-forwarding to GU gw'
+	atf_set require.user root
+	atf_set require.progs python3 scapy
+}
+
+fwd_ip6_gu_icmp_gw_gu_slow_success_body() {
+
+	ids=65525
+	id=`printf "%x" ${ids}`
+	if [ $$ -gt 65535 ]; then
+		xl=`printf "%x" $(($$ - 65535))`
+		yl="1"
+	else
+		xl=`printf "%x" $$`
+		yl=""
+	fi
+
+	vnet_init
+
+	ip6a="2001:db8:6666:0000:${yl}:${id}:1:${xl}"
+	ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}"
+	plen=96
+
+	src_ip="2001:db8:6666:0000:${yl}:${id}:3:${xl}"
+	dst_ip="2001:db8:6666:0000:${yl}:${id}:4:${xl}"
+
+	script_name="../common/sender.py"
+
+	epair=$(vnet_mkepair)
+	ifconfig ${epair}a up
+	ifconfig ${epair}a inet6 ${ip6a}/${plen}
+
+	jname="v6t-${id}-${yl}-${xl}"
+	vnet_mkjail ${jname} ${epair}b
+	jexec ${jname} ifconfig ${epair}b up
+	jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/${plen}
+
+	jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
+
+	our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'`
+
+	# wait for DAD to complete
+	while [ `jexec ${jname} ifconfig ${epair}b inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+	while [ `ifconfig ${epair}a inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+
+	# Add static route back to us
+	jexec ${jname} route add -6 -host ${dst_ip} ${ip6a}
+
+	jexec ${jname} sysctl net.inet6.ip6.forwarding=1
+	# Do not turn off route redirects to ensure slow path is on
+
+	atf_check -s exit:0 \
+		$(atf_get_srcdir)/${script_name} \
+		--test_name fwd_ip6_icmp \
+		--smac ${our_mac} --dmac ${jail_mac} \
+		--sip ${src_ip} --dip ${dst_ip} \
+		--iface ${epair}a 
+	jexec ${jname} netstat -sp ip6
+	
+	# check counters are valid
+	atf_check -o match:'1 packet forwarded' jexec ${jname} netstat -sp ip6
+}
+
+fwd_ip6_gu_icmp_gw_gu_slow_success_cleanup() {
+
+	vnet_cleanup
+}
+
+atf_test_case "fwd_ip6_gu_icmp_gw_ll_slow_success" "cleanup"
+fwd_ip6_gu_icmp_gw_ll_slow_success_head() {
+
+	atf_set descr 'Test valid IPv6 global unicast fast-forwarding to LL gw'
+	atf_set require.user root
+	atf_set require.progs python3 scapy
+}
+
+fwd_ip6_gu_icmp_gw_ll_slow_success_body() {
+
+	ids=65524
+	id=`printf "%x" ${ids}`
+	if [ $$ -gt 65535 ]; then
+		xl=`printf "%x" $(($$ - 65535))`
+		yl="1"
+	else
+		xl=`printf "%x" $$`
+		yl=""
+	fi
+
+	vnet_init
+
+	ip6a="2001:db8:6666:0000:${yl}:${id}:1:${xl}"
+	ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}"
+	plen=96
+
+	src_ip="2001:db8:6666:0000:${yl}:${id}:3:${xl}"
+	dst_ip="2001:db8:6666:0000:${yl}:${id}:4:${xl}"
+
+	script_name="../common/sender.py"
+
+	epair=$(vnet_mkepair)
+	ifconfig ${epair}a up
+	ifconfig ${epair}a inet6 ${ip6a}/${plen}
+
+	jname="v6t-${id}-${yl}-${xl}"
+	vnet_mkjail ${jname} ${epair}b
+	jexec ${jname} ifconfig ${epair}b up
+	jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/${plen}
+
+	jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
+
+	our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'`
+	our_ll_ip=`ifconfig ${epair}a inet6 | awk '$1~/inet6/&& $2~/^fe80:/{print$2}' | awk -F% '{print$1}'`
+
+	# wait for DAD to complete
+	while [ `jexec ${jname} ifconfig ${epair}b inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+	while [ `ifconfig ${epair}a inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+
+	# Add static route back to us
+	atf_check -s exit:0 -o ignore jexec ${jname} route add -6 -host ${dst_ip} ${our_ll_ip}%${epair}b
+
+	jexec ${jname} sysctl net.inet6.ip6.forwarding=1
+	# Do not turn off route redirects to ensure slow path is on
+
+	atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
+		--test_name fwd_ip6_icmp \
+		--smac ${our_mac} --dmac ${jail_mac} \
+		--sip ${src_ip} --dip ${dst_ip} \
+		--iface ${epair}a 
+	
+	# check counters are valid
+	atf_check -o match:'1 packet forwarded' jexec ${jname} netstat -sp ip6
+}
+
+fwd_ip6_gu_icmp_gw_ll_slow_success_cleanup() {
+
+	vnet_cleanup
+}
+
+atf_test_case "fwd_ip6_blackhole" "cleanup"
+fwd_ip6_blackhole_head() {
+
+	atf_set descr 'Test blackhole routing'
+	atf_set require.user root
+}
+
+fwd_ip6_blackhole_body() {
+	jname="v6t-fwd_ip6_blackhole"
+
+	vnet_init
+
+	epair=$(vnet_mkepair)
+	epair_out=$(vnet_mkepair)
+
+	ifconfig ${epair}a inet6 2001:db8::2/64 up no_dad
+
+	vnet_mkjail ${jname} ${epair}b ${epair_out}b
+	jexec ${jname} ifconfig lo0 inet6 ::1/128 up no_dad
+	jexec ${jname} ifconfig ${epair}b inet6 2001:db8::1/64 up no_dad
+	jexec ${jname} ifconfig ${epair_out}b inet6 2001:db8:1::1/64 up no_dad
+	jexec ${jname} sysctl net.inet6.ip6.forwarding=1
+
+	route -6 add default 2001:db8::1
+
+	atf_check -s exit:2 -o ignore \
+	    ping6 -c 1 -t 1 2001:db8:1::2
+	atf_check -s exit:0 -o match:"0 packets not forwardable" \
+	    jexec ${jname} netstat -s -p ip6
+
+	# Create blackhole route
+	jexec ${jname} route -6 add 2001:db8:1::2 -blackhole
+
+	# Force slow path
+	jexec ${jname} sysctl net.inet6.ip6.redirect=1
+	atf_check -s exit:2 -o ignore \
+	    ping6 -c 1 -t 1 2001:db8:1::2
+	atf_check -s exit:0 -o match:"1 packet not forwardable" \
+	    jexec ${jname} netstat -s -p ip6
+
+	# Now try the fast path
+	jexec ${jname} sysctl net.inet6.ip6.redirect=0
+	atf_check -s exit:2 -o ignore \
+	    ping6 -c 1 -t 1 2001:db8:1::2
+	atf_check -s exit:0 -o match:"2 packets not forwardable" \
+	    jexec ${jname} netstat -s -p ip6
+}
+
+fwd_ip6_blackhole_cleanup() {
+
+	vnet_cleanup
+}
+
+atf_init_test_cases()
+{
+
+	atf_add_test_case "fwd_ip6_gu_icmp_iface_fast_success"
+	atf_add_test_case "fwd_ip6_gu_icmp_gw_gu_fast_success"
+	atf_add_test_case "fwd_ip6_gu_icmp_gw_ll_fast_success"
+	atf_add_test_case "fwd_ip6_gu_icmp_iface_slow_success"
+	atf_add_test_case "fwd_ip6_gu_icmp_gw_gu_slow_success"
+	atf_add_test_case "fwd_ip6_gu_icmp_gw_ll_slow_success"
+	atf_add_test_case "fwd_ip6_blackhole"
+}
+
+# end
+