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126 lines
3.8 KiB
Bash
126 lines
3.8 KiB
Bash
#!/usr/bin/env atf-sh
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#-
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (c) 2020 Alexander V. Chernikov
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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#
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. $(atf_get_srcdir)/../common/vnet.subr
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atf_test_case "valid_redirect" "cleanup"
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valid_redirect_head() {
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atf_set descr 'Test valid IPv6 redirect'
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atf_set require.user root
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atf_set require.progs scapy
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}
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valid_redirect_body() {
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if [ "$(atf_config_get ci false)" = "true" ]; then
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atf_skip "https://bugs.freebsd.org/247729"
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fi
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ids=65533
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id=`printf "%x" ${ids}`
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if [ $$ -gt 65535 ]; then
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xl=`printf "%x" $(($$ - 65535))`
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yl="1"
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else
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xl=`printf "%x" $$`
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yl=""
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fi
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vnet_init
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ip6a="2001:db8:6666:0000:${yl}:${id}:1:${xl}"
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ip6b="2001:db8:6666:0000:${yl}:${id}:2:${xl}"
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net6="2001:db8:6667::/64"
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dst_addr6=`echo ${net6} | awk -F/ '{printf"%s4242", $1}'`
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new_rtr_ll_ip="fe80::5555"
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# remote_rtr
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remote_rtr_ll_ip="fe80::4242"
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remote_rtr_mac="00:00:5E:00:53:42"
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script_name="redirect.py"
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epair=$(vnet_mkepair)
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ifconfig ${epair}a up
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ifconfig ${epair}a inet6 ${ip6a}/64
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jname="v6t-${id}-${yl}-${xl}"
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vnet_mkjail ${jname} ${epair}b
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jexec ${jname} ifconfig ${epair}b up
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jexec ${jname} ifconfig ${epair}b inet6 ${ip6b}/64
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# Setup static entry for the remote router
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jexec ${jname} ndp -s ${remote_rtr_ll_ip}%${epair}b ${remote_rtr_mac}
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# setup prefix reachable via router
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jexec ${jname} route add -6 -net ${net6} ${remote_rtr_ll_ip}%${epair}b
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local_ll_ip=`jexec ${jname} ifconfig ${epair}b inet6 | awk '$1 ~ /inet6/&&$2~/^fe80/ {print$2}'|awk -F% '{print$1}'`
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local_ll_mac=`jexec ${jname} ifconfig ${epair}b ether | awk '$1~/ether/{print$2}'`
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# wait for DAD to complete
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while [ `ifconfig ${epair}a inet6 | grep -c tentative` != "0" ]; do
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sleep 0.1
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done
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while [ `jexec ${jname}b ifconfig ${epair}b inet6 | grep -c tentative` != "0" ]; do
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sleep 0.1
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done
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# enable ND debugging in the target jail to ease catching errors
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jexec ${jname} sysctl net.inet6.icmp6.nd6_debug=1
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# echo "LOCAL: ${local_ll_ip} ${local_ll_mac}"
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# echo "REMOTE: ${remote_rtr_ll_ip} ${remote_rtr_mac}"
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atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
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--smac ${remote_rtr_mac} --dmac ${local_ll_mac} \
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--sip ${remote_rtr_ll_ip} --dip ${local_ll_ip} \
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--route ${dst_addr6} --gw ${new_rtr_ll_ip} \
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--iface ${epair}a
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# Verify redirect got installed
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atf_check -o match:"destination: ${dst_addr6}\$" jexec ${jname} route -n get -6 ${dst_addr6}
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atf_check -o match:'flags: <UP,GATEWAY,HOST,DYNAMIC,DONE>' jexec ${jname} route -n get -6 ${dst_addr6}
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}
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valid_redirect_cleanup() {
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vnet_cleanup
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}
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atf_init_test_cases()
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{
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atf_add_test_case "valid_redirect"
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}
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# end
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