Add basic IPDIVERT tests.
Reviewed by: lwhsu,kp Differential Revision: https://reviews.freebsd.org/D23316
This commit is contained in:
Alexander V. Chernikov
parent
c27ac74f9c
commit
2207447bf4
@ -3,5 +3,8 @@
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PACKAGE= tests
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PACKAGE= tests
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TESTSDIR= ${TESTSBASE}/sys/common
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TESTSDIR= ${TESTSBASE}/sys/common
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${PACKAGE}FILES+= vnet.subr
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${PACKAGE}FILES+= vnet.subr
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${PACKAGE}FILES+= divert.py
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${PACKAGE}FILESMODE_divert.py=0555
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.include <bsd.test.mk>
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.include <bsd.test.mk>
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83
tests/sys/common/divert.py
Executable file
83
tests/sys/common/divert.py
Executable file
@ -0,0 +1,83 @@
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#!/usr/bin/env python
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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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# $FreeBSD$
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#
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import socket
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import scapy.all as sc
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import argparse
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IPPROTO_DIVERT = 258
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def parse_args():
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parser = argparse.ArgumentParser(description='divert socket tester')
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parser.add_argument('--dip', type=str, help='destination packet IP')
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parser.add_argument('--divert_port', type=int, default=6668,
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help='divert port to use')
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parser.add_argument('--test_name', type=str, required=True,
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help='test name to run')
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return parser.parse_args()
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def ipdivert_ip_output_remote_success(args):
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packet = sc.IP(dst=args.dip) / sc.ICMP(type='echo-request')
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with socket.socket(socket.AF_INET, socket.SOCK_RAW, IPPROTO_DIVERT) as s:
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s.bind(('0.0.0.0', args.divert_port))
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s.sendto(bytes(packet), ('0.0.0.0', 0))
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def ipdivert_ip6_output_remote_success(args):
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packet = sc.IPv6(dst=args.dip) / sc.ICMPv6EchoRequest()
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with socket.socket(socket.AF_INET, socket.SOCK_RAW, IPPROTO_DIVERT) as s:
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s.bind(('0.0.0.0', args.divert_port))
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s.sendto(bytes(packet), ('0.0.0.0', 0))
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def ipdivert_ip_input_local_success(args):
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"""Sends IPv4 packet to OS stack as inbound local packet."""
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packet = sc.IP(dst=args.dip) / sc.ICMP(type='echo-request')
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with socket.socket(socket.AF_INET, socket.SOCK_RAW, IPPROTO_DIVERT) as s:
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s.bind(('0.0.0.0', args.divert_port))
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s.sendto(bytes(packet), (args.dip, 0))
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# XXX: IPv6 local divert is currently not supported
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# TODO: add IPv4 ifname output verification
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def main():
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args = parse_args()
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test_ptr = globals()[args.test_name]
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test_ptr(args)
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if __name__ == '__main__':
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main()
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@ -9,7 +9,7 @@ ATF_TESTS_C= ip_reass_test \
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so_reuseport_lb_test \
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so_reuseport_lb_test \
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socket_afinet
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socket_afinet
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ATF_TESTS_SH= fibs_test redirect
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ATF_TESTS_SH= fibs_test redirect divert
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PROGS= udp_dontroute tcp_user_cookie
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PROGS= udp_dontroute tcp_user_cookie
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148
tests/sys/netinet/divert.sh
Executable file
148
tests/sys/netinet/divert.sh
Executable file
@ -0,0 +1,148 @@
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#!/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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# $FreeBSD$
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#
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. $(atf_get_srcdir)/../common/vnet.subr
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load_divert_module() {
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kldstat -q -n ipdivert
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if [ $? -ne 0 ]; then
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atf_skip "ipdivert module is not loaded"
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fi
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}
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atf_test_case "ipdivert_ip_output_remote_success" "cleanup"
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ipdivert_ip_output_remote_success_head() {
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atf_set descr 'Test diverting IPv4 packet to remote destination'
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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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ipdivert_ip_output_remote_success_body() {
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ids=65530
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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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load_divert_module
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ip4a="192.0.2.5"
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ip4b="192.0.2.6"
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script_name="../common/divert.py"
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epair=$(vnet_mkepair)
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ifconfig ${epair}a up
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ifconfig ${epair}a inet ${ip4a}/30
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jname="v4t-${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 inet ${ip4b}/30
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atf_check -s exit:0 $(atf_get_srcdir)/${script_name} \
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--dip ${ip4b} --test_name ipdivert_ip_output_remote_success
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count=`jexec ${jname} netstat -s -p icmp | grep 'Input histogram:' -A8 | grep -c 'echo: '`
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# Verify redirect got installed
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atf_check_equal "1" "${count}"
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}
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ipdivert_ip_output_remote_success_cleanup() {
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vnet_cleanup
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}
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atf_test_case "ipdivert_ip_input_local_success" "cleanup"
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ipdivert_ip_input_local_success_head() {
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atf_set descr 'Test diverting IPv4 packet to remote destination'
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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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ipdivert_ip_input_local_success_body() {
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ids=65529
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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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load_divert_module
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ip4a="192.0.2.5"
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ip4b="192.0.2.6"
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script_name="../common/divert.py"
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epair=$(vnet_mkepair)
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ifconfig ${epair}a up
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ifconfig ${epair}a inet ${ip4a}/30
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jname="v4t-${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 inet ${ip4b}/30
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atf_check -s exit:0 jexec ${jname} $(atf_get_srcdir)/${script_name} \
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--dip ${ip4b} --test_name ipdivert_ip_input_local_success
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count=`jexec ${jname} netstat -s -p icmp | grep 'Input histogram:' -A8 | grep -c 'echo: '`
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# Verify redirect got installed
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atf_check_equal "1" "${count}"
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}
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ipdivert_ip_input_local_success_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 "ipdivert_ip_output_remote_success"
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atf_add_test_case "ipdivert_ip_input_local_success"
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}
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# end
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@ -9,7 +9,8 @@ ATF_TESTS_SH= \
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exthdr \
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exthdr \
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mld \
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mld \
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scapyi386 \
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scapyi386 \
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redirect
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redirect \
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divert
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${PACKAGE}FILES+= exthdr.py
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${PACKAGE}FILES+= exthdr.py
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${PACKAGE}FILES+= mld.py
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${PACKAGE}FILES+= mld.py
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103
tests/sys/netinet6/divert.sh
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103
tests/sys/netinet6/divert.sh
Executable file
@ -0,0 +1,103 @@
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#!/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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# $FreeBSD$
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#
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. $(atf_get_srcdir)/../common/vnet.subr
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load_divert_module() {
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kldstat -q -n ipdivert
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if [ $? -ne 0 ]; then
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atf_skip "ipdivert module is not loaded"
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fi
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}
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atf_test_case "ipdivert_ip6_output_remote_success" "cleanup"
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ipdivert_ip6_output_remote_success_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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ipdivert_ip6_output_remote_success_body() {
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ids=65530
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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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load_divert_module
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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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script_name="../common/divert.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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# wait for DAD to complete
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sleep 2
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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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--dip ${ip6b} --test_name ipdivert_ip6_output_remote_success
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count=`jexec ${jname} netstat -s -p icmp6 | grep 'Input histogram:' -A1 | grep -c 'echo:'`
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# Verify redirect got installed
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atf_check_equal "1" "${count}"
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}
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ipdivert_ip6_output_remote_success_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 "ipdivert_ip6_output_remote_success"
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}
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# end
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