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-rwxr-xr-xtests/sys/netinet/forward.sh325
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diff --git a/tests/sys/netinet/forward.sh b/tests/sys/netinet/forward.sh
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+#!/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.
+#
+#
+
+. $(atf_get_srcdir)/../common/vnet.subr
+
+atf_test_case "fwd_ip_icmp_iface_fast_success" "cleanup"
+fwd_ip_icmp_iface_fast_success_head() {
+
+ atf_set descr 'Test valid IPv4 on-stick fastforwarding to iface'
+ atf_set require.user root
+ atf_set require.progs python3 scapy
+}
+
+fwd_ip_icmp_iface_fast_success_body() {
+
+ vnet_init
+
+ ip4a="192.0.2.1"
+ ip4b="192.0.2.2"
+ plen=29
+ src_ip="192.0.2.3"
+
+ script_name="../common/sender.py"
+
+ epair=$(vnet_mkepair)
+ ifconfig ${epair}a up
+ ifconfig ${epair}a inet ${ip4a}/${plen}
+
+ jname="v4t-fwd_ip_icmp_iface_fast_success"
+ vnet_mkjail ${jname} ${epair}b
+ jexec ${jname} ifconfig ${epair}b up
+ jexec ${jname} ifconfig ${epair}b inet ${ip4b}/${plen}
+
+ # Get router ip/mac
+ jail_ip=${ip4b}
+ jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
+
+ our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'`
+
+ jexec ${jname} sysctl net.inet.ip.forwarding=1
+ # As we're doing router-on-the-stick, turn sending IP redirects off:
+ jexec ${jname} sysctl net.inet.ip.redirect=0
+
+ # echo "LOCAL: ${local_ip} ${local_mac}"
+ # echo "REMOTE: ${remote_rtr_ip} ${remote_rtr_mac}"
+
+ atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
+ --test_name fwd_ip_icmp_fast \
+ --smac ${our_mac} --dmac ${jail_mac} \
+ --sip ${src_ip} --dip ${ip4a} \
+ --iface ${epair}a
+
+ # check counters are valid
+ atf_check -o match:'1 packet forwarded \(1 packet fast forwarded\)' jexec ${jname} netstat -sp ip
+}
+
+fwd_ip_icmp_iface_fast_success_cleanup() {
+
+ vnet_cleanup
+}
+
+atf_test_case "fwd_ip_icmp_gw_fast_success" "cleanup"
+fwd_ip_icmp_gw_fast_success_head() {
+
+ atf_set descr 'Test valid IPv4 on-stick fastforwarding to gw'
+ atf_set require.user root
+ atf_set require.progs python3 scapy
+}
+
+fwd_ip_icmp_gw_fast_success_body() {
+
+ vnet_init
+
+ ip4a="192.0.2.1"
+ ip4b="192.0.2.2"
+ plen=29
+ src_ip="192.0.2.3"
+ dst_ip="192.0.2.4"
+
+ script_name="../common/sender.py"
+
+ epair=$(vnet_mkepair)
+ ifconfig ${epair}a up
+ ifconfig ${epair}a inet ${ip4a}/${plen}
+
+ jname="v4t-fwd_ip_icmp_gw_fast_success"
+ vnet_mkjail ${jname} ${epair}b
+ jexec ${jname} ifconfig ${epair}b up
+ jexec ${jname} ifconfig ${epair}b inet ${ip4b}/${plen}
+
+ # Get router ip/mac
+ jail_ip=${ip4b}
+ jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
+
+ our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'`
+
+ jexec ${jname} sysctl net.inet.ip.forwarding=1
+ # As we're doing router-on-the-stick, turn sending IP redirects off:
+ jexec ${jname} sysctl net.inet.ip.redirect=0
+
+ # Add host route
+ jexec ${jname} route -4 add -host ${dst_ip} ${ip4a}
+
+ # echo "LOCAL: ${local_ip} ${local_mac}"
+ # echo "REMOTE: ${remote_rtr_ip} ${remote_rtr_mac}"
+
+ atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
+ --test_name fwd_ip_icmp_fast \
+ --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 \(1 packet fast forwarded\)' jexec ${jname} netstat -sp ip
+}
+
+fwd_ip_icmp_gw_fast_success_cleanup() {
+
+ vnet_cleanup
+}
+
+atf_test_case "fwd_ip_icmp_iface_slow_success" "cleanup"
+fwd_ip_icmp_iface_slow_success_head() {
+
+ atf_set descr 'Test valid IPv4 on-stick "slow" forwarding to iface'
+ atf_set require.user root
+ atf_set require.progs python3 scapy
+}
+
+fwd_ip_icmp_iface_slow_success_body() {
+
+ vnet_init
+
+ ip4a="192.0.2.1"
+ ip4b="192.0.2.2"
+ plen=29
+ src_ip="192.0.2.3"
+
+ script_name="../common/sender.py"
+
+ epair=$(vnet_mkepair)
+ ifconfig ${epair}a up
+ ifconfig ${epair}a inet ${ip4a}/${plen}
+
+ jname="v4t-fwd_ip_icmp_iface_slow_success"
+ vnet_mkjail ${jname} ${epair}b
+ jexec ${jname} ifconfig ${epair}b up
+ jexec ${jname} ifconfig ${epair}b inet ${ip4b}/${plen}
+
+ # Get router ip/mac
+ jail_ip=${ip4b}
+ jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
+
+ our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'`
+
+ jexec ${jname} sysctl net.inet.ip.forwarding=1
+ # As we're doing router-on-the-stick, turn sending IP redirects off:
+ jexec ${jname} sysctl net.inet.ip.redirect=0
+
+ # Generate packet with options to force slow-path
+ atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
+ --test_name fwd_ip_icmp_slow \
+ --smac ${our_mac} --dmac ${jail_mac} \
+ --sip ${src_ip} --dip ${ip4a} \
+ --iface ${epair}a
+
+ # check counters are valid
+ atf_check -o match:'1 packet forwarded \(0 packets fast forwarded\)' jexec ${jname} netstat -sp ip
+}
+
+fwd_ip_icmp_iface_slow_success_cleanup() {
+
+ vnet_cleanup
+}
+
+atf_test_case "fwd_ip_icmp_gw_slow_success" "cleanup"
+fwd_ip_icmp_gw_slow_success_head() {
+
+ atf_set descr 'Test valid IPv4 on-stick "slow" forwarding to gw'
+ atf_set require.user root
+ atf_set require.progs python3 scapy
+}
+
+fwd_ip_icmp_gw_slow_success_body() {
+
+ vnet_init
+
+ ip4a="192.0.2.1"
+ ip4b="192.0.2.2"
+ plen=29
+ src_ip="192.0.2.3"
+ dst_ip="192.0.2.4"
+
+ script_name="../common/sender.py"
+
+ epair=$(vnet_mkepair)
+ ifconfig ${epair}a up
+ ifconfig ${epair}a inet ${ip4a}/${plen}
+
+ jname="v4t-fwd_ip_icmp_gw_slow_success"
+ vnet_mkjail ${jname} ${epair}b
+ jexec ${jname} ifconfig ${epair}b up
+ jexec ${jname} ifconfig ${epair}b inet ${ip4b}/${plen}
+
+ # Get router ip/mac
+ jail_ip=${ip4b}
+ jail_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
+
+ our_mac=`ifconfig ${epair}a ether | awk '$1~/ether/{print$2}'`
+
+ jexec ${jname} sysctl net.inet.ip.forwarding=1
+ # As we're doing router-on-the-stick, turn sending IP redirects off:
+ jexec ${jname} sysctl net.inet.ip.redirect=0
+
+ # Add host route
+ jexec ${jname} route -4 add -host ${dst_ip} ${ip4a}
+
+ # echo "LOCAL: ${local_ip} ${local_mac}"
+ # echo "REMOTE: ${remote_rtr_ip} ${remote_rtr_mac}"
+
+ atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
+ --test_name fwd_ip_icmp_fast \
+ --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 \(1 packet fast forwarded\)' jexec ${jname} netstat -sp ip
+}
+
+fwd_ip_icmp_gw_slow_success_cleanup() {
+
+ vnet_cleanup
+}
+
+atf_test_case "fwd_ip_blackhole" "cleanup"
+fwd_ip_blackhole_head() {
+
+ atf_set descr 'Test blackhole routes'
+ atf_set require.user root
+}
+
+fwd_ip_blackhole_body() {
+ jname="v4t-fwd_ip_blackhole"
+
+ vnet_init
+
+ epair=$(vnet_mkepair)
+ epair_out=$(vnet_mkepair)
+
+ ifconfig ${epair}a 192.0.2.2/24 up
+
+ vnet_mkjail ${jname} ${epair}b ${epair_out}b
+ jexec ${jname} ifconfig lo0 127.0.0.1/8 up
+ jexec ${jname} ifconfig ${epair}b 192.0.2.1/24 up
+ jexec ${jname} ifconfig ${epair_out}b 198.51.100.1/24 up
+ jexec ${jname} sysctl net.inet.ip.forwarding=1
+
+ route add default 192.0.2.1
+
+ atf_check -s exit:2 -o ignore \
+ ping -c 1 -t 1 198.51.100.2
+ atf_check -s exit:0 -o match:"0 packets not forwardable" \
+ jexec ${jname} netstat -s -p ip
+
+ # Create blackhole route
+ jexec ${jname} /sbin/route add 198.51.100.2 -blackhole -fib 0
+ jexec ${jname} netstat -rn
+
+ # Include an IP option to ensure slow path
+ atf_check -s exit:2 -o ignore \
+ ping -c 1 -t 1 -R 198.51.100.2
+ atf_check -s exit:0 -o match:"1 packet not forwardable" \
+ jexec ${jname} netstat -s -p ip
+
+ # Now try via the fast path
+ atf_check -s exit:2 -o ignore \
+ ping -c 1 -t 1 198.51.100.2
+ atf_check -s exit:0 -o match:"2 packets not forwardable" \
+ jexec ${jname} netstat -s -p ip
+}
+
+fwd_ip_blackhole_cleanup() {
+
+ vnet_cleanup
+}
+
+atf_init_test_cases()
+{
+
+ atf_add_test_case "fwd_ip_icmp_iface_fast_success"
+ atf_add_test_case "fwd_ip_icmp_gw_fast_success"
+ atf_add_test_case "fwd_ip_icmp_iface_slow_success"
+ atf_add_test_case "fwd_ip_icmp_gw_slow_success"
+ atf_add_test_case "fwd_ip_blackhole"
+}
+
+# end
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-03 02:51:34 +0000