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-rwxr-xr-xtests/sys/netinet/arp.sh273
1 files changed, 273 insertions, 0 deletions
diff --git a/tests/sys/netinet/arp.sh b/tests/sys/netinet/arp.sh
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+++ b/tests/sys/netinet/arp.sh
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+#!/usr/bin/env atf-sh
+#-
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2021 Alexander V. Chernikov
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+#
+
+. $(atf_get_srcdir)/../common/vnet.subr
+
+atf_test_case "arp_add_success" "cleanup"
+arp_add_success_head() {
+ atf_set descr 'Test static arp record addition'
+ atf_set require.user root
+}
+
+arp_add_success_body() {
+
+ vnet_init
+
+ jname="v4t-arp_add_success"
+
+ epair0=$(vnet_mkepair)
+
+ vnet_mkjail ${jname} ${epair0}a
+
+ jexec ${jname} ifconfig ${epair0}a inet 198.51.100.1/24
+
+ atf_check jexec ${jname} arp -s 198.51.100.2 90:10:00:01:02:03
+
+ atf_check -o match:"\? \(198.51.100.2\) at 90:10:00:01:02:03 on ${epair0}a permanent" jexec ${jname} arp -ni ${epair0}a 198.51.100.2
+}
+
+arp_add_success_cleanup() {
+ vnet_cleanup
+}
+
+
+atf_test_case "arp_del_success" "cleanup"
+arp_del_success_head() {
+ atf_set descr 'Test arp record deletion'
+ atf_set require.user root
+}
+
+arp_del_success_body() {
+
+ vnet_init
+
+ jname="v4t-arp_del_success"
+
+ epair0=$(vnet_mkepair)
+
+ vnet_mkjail ${jname} ${epair0}a
+
+ jexec ${jname} ifconfig ${epair0}a inet 198.51.100.1/24
+
+ jexec ${jname} ping -c1 -t1 198.51.100.2
+
+ atf_check -o match:"198.51.100.2 \(198.51.100.2\) deleted" jexec ${jname} arp -nd 198.51.100.2
+ atf_check -s exit:1 -o match:"198.51.100.2 \(198.51.100.2\) -- no entry" jexec ${jname} arp -n 198.51.100.2
+}
+
+arp_del_success_cleanup() {
+ vnet_cleanup
+}
+
+atf_test_case "pending_delete_if" "cleanup"
+pending_delete_if_head() {
+ atf_set descr 'Test having pending link layer lookups on interface delete'
+ atf_set require.user root
+}
+
+pending_delete_if_body() {
+ vnet_init
+
+ jname="arp_pending_delete_if"
+ epair=$(vnet_mkepair)
+
+ ifconfig ${epair}b up
+
+ vnet_mkjail ${jname} ${epair}a
+ jexec ${jname} ifconfig ${epair}a 198.51.100.1/24
+ for i in `seq 2 200`
+ do
+ jexec ${jname} ping 198.51.100.${i} &
+ done
+
+ # Give the ping processes time to send their ARP requests
+ sleep 1
+
+ jexec ${jname} arp -an
+ jexec ${jname} killall ping
+
+ # Delete the interface. Test failure panics the machine.
+ ifconfig ${epair}b destroy
+}
+
+pending_delete_if_cleanup() {
+ vnet_cleanup
+}
+
+
+atf_test_case "arp_lookup_host" "cleanup"
+arp_lookup_host_head() {
+ atf_set descr 'Test looking up a specific host'
+ atf_set require.user root
+}
+
+arp_lookup_host_body() {
+
+ vnet_init
+
+ jname="v4t-arp_lookup_host"
+
+ epair0=$(vnet_mkepair)
+
+ vnet_mkjail ${jname}a ${epair0}a
+ vnet_mkjail ${jname}b ${epair0}b
+
+ ipa=198.51.100.1
+ ipb=198.51.100.2
+
+ atf_check -o ignore \
+ ifconfig -j ${jname}a ${epair0}a inet ${ipa}/24
+ atf_check -o ignore \
+ ifconfig -j ${jname}b ${epair0}b inet ${ipb}/24
+
+ # get jail b's MAC address
+ eth="$(ifconfig -j ${jname}b ${epair0}b |
+ sed -nE "s/^\tether ([0-9a-f:]*)$/\1/p")"
+
+ # no entry yet
+ atf_check -s exit:1 -o match:"\(${ipb}\) -- no entry" \
+ jexec ${jname}a arp -n ${ipb}
+
+ # now ping jail b from jail a
+ atf_check -o ignore \
+ jexec ${jname}a ping -c1 ${ipb}
+
+ # should be populated
+ atf_check -o match:"\(${ipb}\) at $eth on ${epair0}a" \
+ jexec ${jname}a arp -n ${ipb}
+
+}
+
+arp_lookup_host_cleanup() {
+ vnet_cleanup
+}
+
+
+atf_test_case "static" "cleanup"
+static_head() {
+ atf_set descr 'Test arp -s/-S works'
+ atf_set require.user root
+}
+
+static_body() {
+
+ vnet_init
+
+ jname="v4t-arp_static_host"
+
+ epair0=$(vnet_mkepair)
+
+ vnet_mkjail ${jname}a ${epair0}a
+ vnet_mkjail ${jname}b ${epair0}b
+
+ ipa=198.51.100.1
+ ipb=198.51.100.2
+ ipb_re=$(echo ${ipb} | sed 's/\./\\./g')
+ max_age=$(sysctl -n net.link.ether.inet.max_age)
+ max_age="(${max_age}|$((${max_age} - 1)))"
+
+ atf_check ifconfig -j ${jname}a ${epair0}a inet ${ipa}/24
+ eth="$(ifconfig -j ${jname}b ${epair0}b |
+ sed -nE "s/^\tether ([0-9a-f:]*)$/\1/p")"
+
+ # Expected outputs
+ permanent=\
+"? (${ipb}) at 00:00:00:00:00:00 on ${epair0}a permanent [ethernet]\n"
+ temporary_re=\
+"\? \(${ipb_re}\) at ${eth} on ${epair0}a expires in ${max_age} seconds \[ethernet\]"
+ deleted=\
+"${ipb} (${ipb}) deleted\n"
+
+ # first check -s
+ atf_check jexec ${jname}a arp -s ${ipb} 0:0:0:0:0:0
+ # the jail B ifconfig will send gratuitous ARP that will trigger A
+ atf_check ifconfig -j ${jname}b ${epair0}b inet ${ipb}/24
+ atf_check -o "inline:${permanent}" jexec ${jname}a arp -n ${ipb}
+ if [ $(sysctl -n net.link.ether.inet.log_arp_permanent_modify) -ne 0 ];
+ then
+ msg=$(dmesg | tail -n 1)
+ atf_check_equal "${msg}" \
+"arp: ${eth} attempts to modify permanent entry for ${ipb} on ${epair0}a"
+ fi
+
+ # then check -S
+ atf_check -o "inline:${deleted}" jexec ${jname}a arp -nd ${ipb}
+ atf_check -o ignore jexec ${jname}b ping -c1 ${ipa}
+ atf_check -o "match:${temporary_re}" jexec ${jname}a arp -n ${ipb}
+ # Note: this doesn't fail, tracked all the way down to FreeBSD 8
+ # atf_check -s not-exit:0 jexec ${jname}a arp -s ${ipb} 0:0:0:0:0:0
+ atf_check -o "inline:${deleted}" \
+ jexec ${jname}a arp -S ${ipb} 0:0:0:0:0:0
+ atf_check -o "inline:${permanent}" jexec ${jname}a arp -n ${ipb}
+}
+
+static_cleanup() {
+ vnet_cleanup
+}
+
+atf_test_case "garp" "cleanup"
+garp_head() {
+ atf_set descr 'Basic gratuitous arp test'
+ atf_set require.user root
+}
+
+garp_body() {
+ vnet_init
+
+ j="v4t-garp"
+
+ epair=$(vnet_mkepair)
+
+ vnet_mkjail ${j} ${epair}a
+ atf_check -s exit:0 -o ignore \
+ jexec ${j} sysctl net.link.ether.inet.garp_rexmit_count=3
+ jexec ${j} ifconfig ${epair}a inet 192.0.2.1/24 up
+
+ # Allow some time for the timer to actually fire
+ sleep 5
+}
+
+garp_cleanup() {
+ vnet_cleanup
+}
+
+
+atf_init_test_cases()
+{
+
+ atf_add_test_case "arp_add_success"
+ atf_add_test_case "arp_del_success"
+ atf_add_test_case "pending_delete_if"
+ atf_add_test_case "arp_lookup_host"
+ atf_add_test_case "static"
+ atf_add_test_case "garp"
+}
+
+# end
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-11 04:34:23 +0000