1 files changed, 121 insertions, 0 deletions
diff --git a/tests/sys/netinet6/redirect.sh b/tests/sys/netinet6/redirect.sh
new file mode 100644
index 000000000000..40874f8c9b6d
--- /dev/null
+++ b/tests/sys/netinet6/redirect.sh
@@ -0,0 +1,121 @@
+#!/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 "valid_redirect" "cleanup"
+valid_redirect_head() {
+
+	atf_set descr 'Test valid IPv6 redirect'
+	atf_set require.user root
+	atf_set require.progs python3 scapy
+}
+
+valid_redirect_body() {
+
+	ids=65533
+	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}"
+
+	net6="2001:db8:6667::/64"
+	dst_addr6=`echo ${net6} | awk -F/ '{printf"%s4242", $1}'`
+	new_rtr_ll_ip="fe80::5555"
+
+	# remote_rtr
+	remote_rtr_ll_ip="fe80::4242"
+	remote_rtr_mac="00:00:5E:00:53:42"
+
+	script_name="redirect.py"
+
+	epair=$(vnet_mkepair)
+	ifconfig ${epair}a up
+	ifconfig ${epair}a inet6 ${ip6a}/64
+
+	jname="v6t-${id}-${yl}-${xl}"
+	vnet_mkjail ${jname} ${epair}b
+	jexec ${jname} ifconfig ${epair}b up
+	jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/64
+
+	# Setup static entry for the remote router
+	jexec ${jname} ndp -s ${remote_rtr_ll_ip}%${epair}b ${remote_rtr_mac}
+	# setup prefix reachable via router
+	jexec ${jname} route add -6 -net ${net6} ${remote_rtr_ll_ip}%${epair}b
+	
+	local_ll_ip=`jexec ${jname} ifconfig ${epair}b inet6 | awk '$1 ~ /inet6/&&$2~/^fe80/ {print$2}'|awk -F% '{print$1}'`
+	local_ll_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
+
+	# wait for DAD to complete
+	while [ `ifconfig ${epair}a inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+	while [ `jexec ${jname} ifconfig ${epair}b inet6 | grep -c tentative` != "0" ]; do
+		sleep 0.1
+	done
+
+	# enable ND debugging in the target jail to ease catching errors
+	jexec ${jname} sysctl net.inet6.icmp6.nd6_debug=1
+
+	# echo "LOCAL: ${local_ll_ip} ${local_ll_mac}"
+	# echo "REMOTE: ${remote_rtr_ll_ip} ${remote_rtr_mac}"
+
+	atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
+		--smac ${remote_rtr_mac} --dmac ${local_ll_mac} \
+		--sip ${remote_rtr_ll_ip} --dip ${local_ll_ip} \
+		--route ${dst_addr6} --gw ${new_rtr_ll_ip}  \
+		--iface ${epair}a 
+	
+	# Verify redirect got installed
+	atf_check -o match:"destination: ${dst_addr6}\$" jexec ${jname} route -n get -6 ${dst_addr6}
+	atf_check -o match:'flags: <UP,GATEWAY,HOST,DYNAMIC,DONE>' jexec ${jname} route -n get -6 ${dst_addr6}
+}
+
+valid_redirect_cleanup() {
+
+	vnet_cleanup
+}
+
+atf_init_test_cases()
+{
+
+	atf_add_test_case "valid_redirect"
+}
+
+# end
+