90 lines
2.7 KiB
Bash
Executable File
90 lines
2.7 KiB
Bash
Executable File
# $FreeBSD$
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#
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# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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#
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# Copyright (c) 2018 Kristof Provost <kp@FreeBSD.org>
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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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. $(atf_get_srcdir)/utils.subr
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atf_test_case "exhaust" "cleanup"
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exhaust_head()
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{
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atf_set descr 'Test exhausting the NAT pool'
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atf_set require.user root
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}
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exhaust_body()
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{
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pft_init
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epair_nat=$(vnet_mkepair)
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epair_echo=$(vnet_mkepair)
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vnet_mkjail nat ${epair_nat}b ${epair_echo}a
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vnet_mkjail echo ${epair_echo}b
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ifconfig ${epair_nat}a 192.0.2.2/24 up
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route add -net 198.51.100.0/24 192.0.2.1
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jexec nat ifconfig ${epair_nat}b 192.0.2.1/24 up
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jexec nat ifconfig ${epair_echo}a 198.51.100.1/24 up
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jexec nat sysctl net.inet.ip.forwarding=1
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jexec echo ifconfig ${epair_echo}b 198.51.100.2/24 up
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jexec echo /usr/sbin/inetd $(atf_get_srcdir)/echo_inetd.conf
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# Enable pf!
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jexec nat pfctl -e
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pft_set_rules nat \
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"nat pass on ${epair_echo}a inet from 192.0.2.0/24 to any -> (${epair_echo}a) port 30000:30001 sticky-address"
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# Sanity check
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atf_check -s exit:0 -o ignore ping -c 3 198.51.100.2
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echo "foo" | nc -N 198.51.100.2 7
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echo "foo" | nc -N 198.51.100.2 7
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# This one will fail, but that's expected
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echo "foo" | nc -N 198.51.100.2 7 &
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sleep 1
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# If the kernel is stuck in pf_get_sport() this will not succeed either.
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timeout 2 jexec nat pfctl -sa
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if [ $? -eq 124 ]; then
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# Timed out
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atf_fail "pfctl timeout"
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fi
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}
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exhaust_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 "exhaust"
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}
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