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131 lines
4.4 KiB
Bash
131 lines
4.4 KiB
Bash
#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (c) 2023 Kajetan Staszkiewicz <vegetga@tuxpowered.net>
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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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. $(atf_get_srcdir)/utils.subr
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atf_test_case "forward_v4" "cleanup"
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forward_v4_head()
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{
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atf_set descr 'Test IPv4 forwarding with rtable'
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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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forward_v4_body()
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{
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setup_router_server_ipv4
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# Sanity check
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ping_server_check_reply exit:0
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jexec router sysctl net.fibs=2
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jexec router ifconfig ${epair_server}a fib 1
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jexec router route del -net ${net_server}
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jexec router route add -fib 1 -net ${net_server} -iface ${epair_server}a
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# Sanity check
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ping_server_check_reply exit:1
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# This rule is not enough.
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# Echo requests will be properly forwarded but replies can't be routed back.
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pft_set_rules router \
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"pass in on ${epair_tester}b inet proto icmp all icmp-type echoreq rtable 1"
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ping_server_check_reply exit:1
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# Allow replies coming back to the tester properly via stateful filtering post-routing.
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pft_set_rules router \
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"pass in on ${epair_tester}b inet proto icmp all icmp-type echoreq rtable 1" \
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"pass out on ${epair_server}a inet proto icmp all icmp-type echoreq rtable 0"
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ping_server_check_reply exit:0
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# Allow replies coming back to the tester properly via provding extra routes in rtable 1
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pft_set_rules router \
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"pass in on ${epair_tester}b inet proto icmp all icmp-type echoreq rtable 1"
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jexec router route add -fib 1 -net ${net_tester} -iface ${epair_tester}b
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ping_server_check_reply exit:0
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}
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forward_v4_cleanup()
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{
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pft_cleanup
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}
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atf_test_case "forward_v6" "cleanup"
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forward_v6_head()
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{
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atf_set descr 'Test IPv6 forwarding with rtable'
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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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forward_v6_body()
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{
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setup_router_server_ipv6
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# Sanity check
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ping_server_check_reply exit:0
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jexec router sysctl net.fibs=2
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jexec router ifconfig ${epair_server}a fib 1
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jexec router route del -6 ${net_server}
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jexec router route add -fib 1 -6 ${net_server} -iface ${epair_server}a
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# Sanity check
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ping_server_check_reply exit:1
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# This rule is not enough.
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# Echo requests will be properly forwarded but replies can't be routed back.
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pft_set_rules router \
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"pass inet6 proto icmp6 icmp6-type { neighbrsol, neighbradv }" \
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"pass in on ${epair_tester}b inet6 proto icmp6 icmp6-type echoreq"
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ping_server_check_reply exit:1
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# Allow replies coming back to the tester properly via stateful filtering post-routing.
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pft_set_rules router \
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"pass inet6 proto icmp6 icmp6-type { neighbrsol, neighbradv }" \
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"pass in on ${epair_tester}b inet6 proto icmp6 icmp6-type echoreq rtable 1" \
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"pass out on ${epair_server}a inet6 proto icmp6 icmp6-type echoreq rtable 0"
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ping_server_check_reply exit:0
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# Allow replies coming back to the tester properly via provding extra routes in rtable 1
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pft_set_rules router \
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"pass inet6 proto icmp6 icmp6-type { neighbrsol, neighbradv }" \
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"pass in on ${epair_tester}b inet6 proto icmp6 icmp6-type echoreq rtable 1"
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jexec router route add -fib 1 -6 ${net_tester} -iface ${epair_tester}b
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ping_server_check_reply exit:0
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}
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forward_v6_cleanup()
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{
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pft_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 "forward_v4"
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atf_add_test_case "forward_v6"
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}
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