netbsd/tests/net/ndp/t_ndp.sh
2015-10-15 10:25:28 +02:00

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# $NetBSD: t_ndp.sh,v 1.6 2015/08/18 00:58:35 ozaki-r Exp $
#
# Copyright (c) 2015 The NetBSD Foundation, Inc.
# All rights reserved.
#
# 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
#
inetserver="rump_server -lrumpnet -lrumpnet_net -lrumpnet_netinet"
inetserver="$inetserver -lrumpnet_netinet6 -lrumpnet_shmif"
HIJACKING="env LD_PRELOAD=/usr/lib/librumphijack.so RUMPHIJACK=sysctl=yes"
SOCKSRC=unix://commsock1
SOCKDST=unix://commsock2
IP6SRC=fc00::1
IP6DST=fc00::2
DEBUG=true
TIMEOUT=1
atf_test_case cache_expiration cleanup
atf_test_case command cleanup
atf_test_case cache_overwriting cleanup
cache_expiration_head()
{
atf_set "descr" "Tests for NDP cache expiration"
atf_set "require.progs" "rump_server"
}
command_head()
{
atf_set "descr" "Tests for commands of ndp(8)"
atf_set "require.progs" "rump_server"
}
cache_overwriting_head()
{
atf_set "descr" "Tests for behavior of overwriting NDP caches"
atf_set "require.progs" "rump_server"
}
setup_dst_server()
{
export RUMP_SERVER=$SOCKDST
atf_check -s exit:0 rump.ifconfig shmif0 create
atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1
atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6DST
atf_check -s exit:0 rump.ifconfig shmif0 up
atf_check -s exit:0 rump.ifconfig -w 10
$DEBUG && rump.ifconfig shmif0
$DEBUG && rump.ndp -n -a
}
setup_src_server()
{
$DEBUG && ulimit -c unlimited
export RUMP_SERVER=$SOCKSRC
# Setup an interface
atf_check -s exit:0 rump.ifconfig shmif0 create
atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1
atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6SRC
atf_check -s exit:0 rump.ifconfig shmif0 up
atf_check -s exit:0 rump.ifconfig -w 10
# Sanity check
$DEBUG && rump.ifconfig shmif0
$DEBUG && rump.ndp -n -a
atf_check -s exit:0 -o ignore rump.ndp -n $IP6SRC
atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST
}
get_timeout()
{
local timeout=$(env RUMP_SERVER=$SOCKSRC rump.ndp -n $IP6DST |grep $IP6DST|awk '{print $4;}')
timeout=${timeout%s}
echo $timeout
}
cache_expiration_body()
{
atf_check -s exit:0 ${inetserver} $SOCKSRC
atf_check -s exit:0 ${inetserver} $SOCKDST
setup_dst_server
setup_src_server
#
# Check if a cache is expired expectedly
#
export RUMP_SERVER=$SOCKSRC
atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST
$DEBUG && rump.ndp -n -a
atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6SRC
# Should be cached
atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST
timeout=$(get_timeout $IP6DST)
atf_check -s exit:0 sleep $(($timeout + 1))
$DEBUG && rump.ndp -n -a
atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6SRC
# Expired but remains until GC sweaps it (1 day)
atf_check -s exit:0 -o match:'(1d0h0m|23h59m)' rump.ndp -n $IP6DST
}
ifdown_dst_server()
{
export RUMP_SERVER=$SOCKDST
atf_check -s exit:0 rump.ifconfig shmif0 down
export RUMP_SERVER=$SOCKSRC
}
command_body()
{
atf_check -s exit:0 ${inetserver} $SOCKSRC
atf_check -s exit:0 ${inetserver} $SOCKDST
setup_dst_server
setup_src_server
export RUMP_SERVER=$SOCKSRC
# Add and delete a static entry
$DEBUG && rump.ndp -n -a
atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10
$DEBUG && rump.ndp -n -a
atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::10
atf_check -s exit:0 -o match:'deleted' rump.ndp -d fc00::10
$DEBUG && rump.ndp -n -a
atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n fc00::10
# Add multiple entries via a file (XXX not implemented)
#cat - > ./list <<-EOF
#fc00::11 b2:a0:20:00:00:11
#fc00::12 b2:a0:20:00:00:12
#fc00::13 b2:a0:20:00:00:13
#fc00::14 b2:a0:20:00:00:14
#fc00::15 b2:a0:20:00:00:15
#EOF
#$DEBUG && rump.ndp -n -a
#atf_check -s exit:0 -o ignore rump.ndp -f ./list
#$DEBUG && rump.ndp -n -a
atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST
atf_check -s exit:0 -o ignore rump.ndp -s fc00::11 b2:a0:20:00:00:11
atf_check -s exit:0 -o ignore rump.ndp -s fc00::12 b2:a0:20:00:00:12
atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST
atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::11
atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::12
# Test ndp -a
atf_check -s exit:0 -o match:'fc00::11' rump.ndp -n -a
atf_check -s exit:0 -o match:'fc00::12' rump.ndp -n -a
# Ensure no packet upsets the src server
ifdown_dst_server
# Flush all entries (-c)
$DEBUG && rump.ndp -n -a
atf_check -s exit:0 -o ignore rump.ndp -c
atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST
# Only the static caches are not deleted
atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::11
atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::12
# Test temp option (XXX it doesn't work; expire time isn't set)
$DEBUG && rump.ndp -n -a
#atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp
rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp
$DEBUG && rump.ndp -n -a
#atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10
return 0
}
cache_overwriting_body()
{
atf_check -s exit:0 ${inetserver} $SOCKSRC
atf_check -s exit:0 ${inetserver} $SOCKDST
setup_dst_server
setup_src_server
export RUMP_SERVER=$SOCKSRC
# Cannot overwrite a permanent cache
atf_check -s not-exit:0 -e ignore rump.ndp -s $IP6SRC b2:a0:20:00:00:ff
$DEBUG && rump.ndp -n -a
atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST
$DEBUG && rump.ndp -n -a
# Can overwrite a dynamic cache
atf_check -s exit:0 -o ignore rump.ndp -s $IP6DST b2:a0:20:00:00:00
$DEBUG && rump.ndp -n -a
atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6DST
# Test temp option (XXX it doesn't work; expire time isn't set)
#atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp
#$DEBUG && rump.ndp -n -a
#atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10
# Cannot overwrite a temp cache
#atf_check -s not-exit:0 -e ignore rump.ndp -s fc00::10 b2:a0:20:00:00:ff
#$DEBUG && rump.ndp -n -a
return 0
}
cleanup()
{
env RUMP_SERVER=$SOCKSRC rump.halt
env RUMP_SERVER=$SOCKDST rump.halt
}
dump_src()
{
export RUMP_SERVER=$SOCKSRC
rump.netstat -nr
rump.ndp -n -a
rump.ifconfig
$HIJACKING dmesg
}
dump_dst()
{
export RUMP_SERVER=$SOCKDST
rump.netstat -nr
rump.ndp -n -a
rump.ifconfig
$HIJACKING dmesg
}
dump()
{
dump_src
dump_dst
shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r -
$DEBUG && gdb -ex bt /usr/bin/rump_server rump_server.core
$DEBUG && gdb -ex bt /usr/sbin/rump.ndp rump.ndp.core
}
cache_expiration_cleanup()
{
$DEBUG && dump
cleanup
}
command_cleanup()
{
$DEBUG && dump
cleanup
}
cache_overwriting_cleanup()
{
$DEBUG && dump
cleanup
}
atf_init_test_cases()
{
atf_add_test_case cache_expiration
atf_add_test_case command
atf_add_test_case cache_overwriting
}