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290 lines
7.9 KiB
Bash
290 lines
7.9 KiB
Bash
# $NetBSD: t_ndp.sh,v 1.6 2015/08/18 00:58:35 ozaki-r Exp $
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#
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# Copyright (c) 2015 The NetBSD Foundation, Inc.
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# All rights reserved.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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inetserver="rump_server -lrumpnet -lrumpnet_net -lrumpnet_netinet"
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inetserver="$inetserver -lrumpnet_netinet6 -lrumpnet_shmif"
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HIJACKING="env LD_PRELOAD=/usr/lib/librumphijack.so RUMPHIJACK=sysctl=yes"
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SOCKSRC=unix://commsock1
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SOCKDST=unix://commsock2
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IP6SRC=fc00::1
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IP6DST=fc00::2
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DEBUG=true
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TIMEOUT=1
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atf_test_case cache_expiration cleanup
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atf_test_case command cleanup
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atf_test_case cache_overwriting cleanup
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cache_expiration_head()
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{
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atf_set "descr" "Tests for NDP cache expiration"
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atf_set "require.progs" "rump_server"
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}
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command_head()
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{
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atf_set "descr" "Tests for commands of ndp(8)"
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atf_set "require.progs" "rump_server"
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}
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cache_overwriting_head()
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{
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atf_set "descr" "Tests for behavior of overwriting NDP caches"
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atf_set "require.progs" "rump_server"
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}
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setup_dst_server()
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{
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export RUMP_SERVER=$SOCKDST
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atf_check -s exit:0 rump.ifconfig shmif0 create
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atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1
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atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6DST
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atf_check -s exit:0 rump.ifconfig shmif0 up
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atf_check -s exit:0 rump.ifconfig -w 10
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$DEBUG && rump.ifconfig shmif0
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$DEBUG && rump.ndp -n -a
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}
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setup_src_server()
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{
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$DEBUG && ulimit -c unlimited
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export RUMP_SERVER=$SOCKSRC
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# Setup an interface
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atf_check -s exit:0 rump.ifconfig shmif0 create
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atf_check -s exit:0 rump.ifconfig shmif0 linkstr bus1
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atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6SRC
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atf_check -s exit:0 rump.ifconfig shmif0 up
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atf_check -s exit:0 rump.ifconfig -w 10
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# Sanity check
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$DEBUG && rump.ifconfig shmif0
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$DEBUG && rump.ndp -n -a
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atf_check -s exit:0 -o ignore rump.ndp -n $IP6SRC
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atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST
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}
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get_timeout()
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{
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local timeout=$(env RUMP_SERVER=$SOCKSRC rump.ndp -n $IP6DST |grep $IP6DST|awk '{print $4;}')
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timeout=${timeout%s}
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echo $timeout
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}
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cache_expiration_body()
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{
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atf_check -s exit:0 ${inetserver} $SOCKSRC
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atf_check -s exit:0 ${inetserver} $SOCKDST
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setup_dst_server
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setup_src_server
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#
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# Check if a cache is expired expectedly
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#
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export RUMP_SERVER=$SOCKSRC
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atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST
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$DEBUG && rump.ndp -n -a
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atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6SRC
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# Should be cached
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atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST
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timeout=$(get_timeout $IP6DST)
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atf_check -s exit:0 sleep $(($timeout + 1))
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$DEBUG && rump.ndp -n -a
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atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6SRC
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# Expired but remains until GC sweaps it (1 day)
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atf_check -s exit:0 -o match:'(1d0h0m|23h59m)' rump.ndp -n $IP6DST
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}
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ifdown_dst_server()
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{
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export RUMP_SERVER=$SOCKDST
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atf_check -s exit:0 rump.ifconfig shmif0 down
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export RUMP_SERVER=$SOCKSRC
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}
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command_body()
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{
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atf_check -s exit:0 ${inetserver} $SOCKSRC
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atf_check -s exit:0 ${inetserver} $SOCKDST
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setup_dst_server
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setup_src_server
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export RUMP_SERVER=$SOCKSRC
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# Add and delete a static entry
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$DEBUG && rump.ndp -n -a
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atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10
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$DEBUG && rump.ndp -n -a
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atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::10
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atf_check -s exit:0 -o match:'deleted' rump.ndp -d fc00::10
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$DEBUG && rump.ndp -n -a
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atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n fc00::10
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# Add multiple entries via a file (XXX not implemented)
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#cat - > ./list <<-EOF
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#fc00::11 b2:a0:20:00:00:11
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#fc00::12 b2:a0:20:00:00:12
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#fc00::13 b2:a0:20:00:00:13
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#fc00::14 b2:a0:20:00:00:14
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#fc00::15 b2:a0:20:00:00:15
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#EOF
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#$DEBUG && rump.ndp -n -a
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#atf_check -s exit:0 -o ignore rump.ndp -f ./list
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#$DEBUG && rump.ndp -n -a
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atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST
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atf_check -s exit:0 -o ignore rump.ndp -s fc00::11 b2:a0:20:00:00:11
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atf_check -s exit:0 -o ignore rump.ndp -s fc00::12 b2:a0:20:00:00:12
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atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n $IP6DST
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atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::11
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atf_check -s exit:0 -o match:'permanent' rump.ndp -n fc00::12
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# Test ndp -a
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atf_check -s exit:0 -o match:'fc00::11' rump.ndp -n -a
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atf_check -s exit:0 -o match:'fc00::12' rump.ndp -n -a
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# Ensure no packet upsets the src server
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ifdown_dst_server
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# Flush all entries (-c)
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$DEBUG && rump.ndp -n -a
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atf_check -s exit:0 -o ignore rump.ndp -c
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atf_check -s not-exit:0 -o ignore -e ignore rump.ndp -n $IP6DST
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# Only the static caches are not deleted
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atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::11
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atf_check -s exit:0 -o ignore -e ignore rump.ndp -n fc00::12
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# Test temp option (XXX it doesn't work; expire time isn't set)
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$DEBUG && rump.ndp -n -a
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#atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp
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rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp
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$DEBUG && rump.ndp -n -a
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#atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10
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return 0
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}
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cache_overwriting_body()
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{
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atf_check -s exit:0 ${inetserver} $SOCKSRC
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atf_check -s exit:0 ${inetserver} $SOCKDST
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setup_dst_server
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setup_src_server
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export RUMP_SERVER=$SOCKSRC
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# Cannot overwrite a permanent cache
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atf_check -s not-exit:0 -e ignore rump.ndp -s $IP6SRC b2:a0:20:00:00:ff
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$DEBUG && rump.ndp -n -a
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atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6DST
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$DEBUG && rump.ndp -n -a
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# Can overwrite a dynamic cache
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atf_check -s exit:0 -o ignore rump.ndp -s $IP6DST b2:a0:20:00:00:00
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$DEBUG && rump.ndp -n -a
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atf_check -s exit:0 -o match:'permanent' rump.ndp -n $IP6DST
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# Test temp option (XXX it doesn't work; expire time isn't set)
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#atf_check -s exit:0 -o ignore rump.ndp -s fc00::10 b2:a0:20:00:00:10 temp
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#$DEBUG && rump.ndp -n -a
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#atf_check -s exit:0 -o not-match:'permanent' rump.ndp -n fc00::10
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# Cannot overwrite a temp cache
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#atf_check -s not-exit:0 -e ignore rump.ndp -s fc00::10 b2:a0:20:00:00:ff
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#$DEBUG && rump.ndp -n -a
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return 0
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}
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cleanup()
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{
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env RUMP_SERVER=$SOCKSRC rump.halt
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env RUMP_SERVER=$SOCKDST rump.halt
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}
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dump_src()
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{
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export RUMP_SERVER=$SOCKSRC
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rump.netstat -nr
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rump.ndp -n -a
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rump.ifconfig
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$HIJACKING dmesg
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}
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dump_dst()
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{
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export RUMP_SERVER=$SOCKDST
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rump.netstat -nr
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rump.ndp -n -a
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rump.ifconfig
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$HIJACKING dmesg
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}
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dump()
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{
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dump_src
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dump_dst
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shmif_dumpbus -p - bus1 2>/dev/null| tcpdump -n -e -r -
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$DEBUG && gdb -ex bt /usr/bin/rump_server rump_server.core
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$DEBUG && gdb -ex bt /usr/sbin/rump.ndp rump.ndp.core
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}
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cache_expiration_cleanup()
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{
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$DEBUG && dump
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cleanup
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}
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command_cleanup()
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{
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$DEBUG && dump
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cleanup
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}
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cache_overwriting_cleanup()
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{
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$DEBUG && dump
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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 cache_expiration
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atf_add_test_case command
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atf_add_test_case cache_overwriting
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}
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