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1968d71647
Install permanent entry, try to modify it, check that net.link.ether.inet.log_arp_permanent_modify works.
245 lines
6.1 KiB
Bash
Executable file
245 lines
6.1 KiB
Bash
Executable file
#!/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) 2021 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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. $(atf_get_srcdir)/../common/vnet.subr
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atf_test_case "arp_add_success" "cleanup"
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arp_add_success_head() {
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atf_set descr 'Test static arp record addition'
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atf_set require.user root
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}
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arp_add_success_body() {
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vnet_init
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jname="v4t-arp_add_success"
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epair0=$(vnet_mkepair)
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vnet_mkjail ${jname} ${epair0}a
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jexec ${jname} ifconfig ${epair0}a inet 198.51.100.1/24
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atf_check jexec ${jname} arp -s 198.51.100.2 90:10:00:01:02:03
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atf_check -o match:"\? \(198.51.100.2\) at 90:10:00:01:02:03 on ${epair0}a permanent" jexec ${jname} arp -ni ${epair0}a 198.51.100.2
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}
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arp_add_success_cleanup() {
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vnet_cleanup
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}
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atf_test_case "arp_del_success" "cleanup"
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arp_del_success_head() {
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atf_set descr 'Test arp record deletion'
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atf_set require.user root
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}
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arp_del_success_body() {
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vnet_init
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jname="v4t-arp_del_success"
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epair0=$(vnet_mkepair)
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vnet_mkjail ${jname} ${epair0}a
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jexec ${jname} ifconfig ${epair0}a inet 198.51.100.1/24
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jexec ${jname} ping -c1 -t1 198.51.100.2
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atf_check -o match:"198.51.100.2 \(198.51.100.2\) deleted" jexec ${jname} arp -nd 198.51.100.2
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atf_check -s exit:1 -o match:"198.51.100.2 \(198.51.100.2\) -- no entry" jexec ${jname} arp -n 198.51.100.2
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}
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arp_del_success_cleanup() {
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vnet_cleanup
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}
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atf_test_case "pending_delete_if" "cleanup"
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pending_delete_if_head() {
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atf_set descr 'Test having pending link layer lookups on interface delete'
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atf_set require.user root
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}
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pending_delete_if_body() {
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vnet_init
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jname="arp_pending_delete_if"
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epair=$(vnet_mkepair)
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ifconfig ${epair}b up
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vnet_mkjail ${jname} ${epair}a
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jexec ${jname} ifconfig ${epair}a 198.51.100.1/24
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for i in `seq 2 200`
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do
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jexec ${jname} ping 198.51.100.${i} &
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done
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# Give the ping processes time to send their ARP requests
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sleep 1
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jexec ${jname} arp -an
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jexec ${jname} killall ping
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# Delete the interface. Test failure panics the machine.
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ifconfig ${epair}b destroy
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}
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pending_delete_if_cleanup() {
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vnet_cleanup
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}
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atf_test_case "arp_lookup_host" "cleanup"
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arp_lookup_host_head() {
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atf_set descr 'Test looking up a specific host'
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atf_set require.user root
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}
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arp_lookup_host_body() {
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vnet_init
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jname="v4t-arp_lookup_host"
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epair0=$(vnet_mkepair)
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vnet_mkjail ${jname}a ${epair0}a
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vnet_mkjail ${jname}b ${epair0}b
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ipa=198.51.100.1
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ipb=198.51.100.2
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atf_check -o ignore \
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ifconfig -j ${jname}a ${epair0}a inet ${ipa}/24
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atf_check -o ignore \
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ifconfig -j ${jname}b ${epair0}b inet ${ipb}/24
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# get jail b's MAC address
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eth="$(ifconfig -j ${jname}b ${epair0}b |
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sed -nE "s/^\tether ([0-9a-f:]*)$/\1/p")"
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# no entry yet
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atf_check -s exit:1 -o match:"\(${ipb}\) -- no entry" \
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jexec ${jname}a arp -n ${ipb}
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# now ping jail b from jail a
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atf_check -o ignore \
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jexec ${jname}a ping -c1 ${ipb}
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# should be populated
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atf_check -o match:"\(${ipb}\) at $eth on ${epair0}a" \
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jexec ${jname}a arp -n ${ipb}
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}
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arp_lookup_host_cleanup() {
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vnet_cleanup
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}
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atf_test_case "static" "cleanup"
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static_head() {
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atf_set descr 'Test arp -s/-S works'
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atf_set require.user root
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}
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static_body() {
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vnet_init
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jname="v4t-arp_static_host"
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epair0=$(vnet_mkepair)
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vnet_mkjail ${jname}a ${epair0}a
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vnet_mkjail ${jname}b ${epair0}b
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ipa=198.51.100.1
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ipb=198.51.100.2
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max_age=$(sysctl -n net.link.ether.inet.max_age)
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atf_check ifconfig -j ${jname}a ${epair0}a inet ${ipa}/24
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eth="$(ifconfig -j ${jname}b ${epair0}b |
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sed -nE "s/^\tether ([0-9a-f:]*)$/\1/p")"
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# Expected outputs
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permanent=\
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"? (${ipb}) at 00:00:00:00:00:00 on ${epair0}a permanent [ethernet]\n"
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temporary=\
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"? (${ipb}) at ${eth} on ${epair0}a expires in ${max_age} seconds [ethernet]\n"
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deleted=\
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"${ipb} (${ipb}) deleted\n"
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# first check -s
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atf_check jexec ${jname}a arp -s ${ipb} 0:0:0:0:0:0
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# the jail B ifconfig will send gratuitous ARP that will trigger A
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atf_check ifconfig -j ${jname}b ${epair0}b inet ${ipb}/24
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atf_check -o "inline:${permanent}" jexec ${jname}a arp -n ${ipb}
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if [ $(sysctl -n net.link.ether.inet.log_arp_permanent_modify) -ne 0 ];
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then
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msg=$(dmesg | tail -n 1)
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atf_check_equal "${msg}" \
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"arp: ${eth} attempts to modify permanent entry for ${ipb} on ${epair0}a"
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fi
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# then check -S
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atf_check -o "inline:${deleted}" jexec ${jname}a arp -nd ${ipb}
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atf_check -o ignore jexec ${jname}b ping -c1 ${ipa}
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atf_check -o "inline:${temporary}" jexec ${jname}a arp -n ${ipb}
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# Note: this doesn't fail, tracked all the way down to FreeBSD 8
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# atf_check -s not-exit:0 jexec ${jname}a arp -s ${ipb} 0:0:0:0:0:0
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atf_check -o "inline:${deleted}" \
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jexec ${jname}a arp -S ${ipb} 0:0:0:0:0:0
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atf_check -o "inline:${permanent}" jexec ${jname}a arp -n ${ipb}
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}
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static_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 "arp_add_success"
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atf_add_test_case "arp_del_success"
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atf_add_test_case "pending_delete_if"
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atf_add_test_case "arp_lookup_host"
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atf_add_test_case "static"
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}
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# end
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