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      1 #	$NetBSD: t_tap.sh,v 1.12 2024/08/07 09:48:18 rin Exp $
      2 #
      3 # Copyright (c) 2016 Internet Initiative Japan Inc.
      4 # All rights reserved.
      5 #
      6 # Redistribution and use in source and binary forms, with or without
      7 # modification, are permitted provided that the following conditions
      8 # are met:
      9 # 1. Redistributions of source code must retain the above copyright
     10 #    notice, this list of conditions and the following disclaimer.
     11 # 2. Redistributions in binary form must reproduce the above copyright
     12 #    notice, this list of conditions and the following disclaimer in the
     13 #    documentation and/or other materials provided with the distribution.
     14 #
     15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     16 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     17 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     18 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     19 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     21 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     22 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     23 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25 # POSSIBILITY OF SUCH DAMAGE.
     26 #
     27 
     28 SOCK_LOCAL=unix://commsock1
     29 SOCK_REMOTE=unix://commsock2
     30 BUS=bus1
     31 IP4_LOCAL=10.0.0.1
     32 IP4_TAP=10.0.0.2
     33 IP4_REMOTE=10.0.0.3
     34 IP6_LOCAL=fc00::1
     35 IP6_TAP=fc00::2
     36 IP6_REMOTE=fc00::3
     37 TAP_PID=./.__tap.pid
     38 
     39 DEBUG=${DEBUG:-false}
     40 TIMEOUT=1
     41 
     42 atf_test_case tap_create_destroy cleanup
     43 tap_create_destroy_head()
     44 {
     45 
     46 	atf_set "descr" "tests of creation and deletion of tap interface"
     47 	atf_set "require.progs" "rump_server"
     48 }
     49 
     50 tap_create_destroy_body()
     51 {
     52 
     53 	rump_server_fs_start $SOCK_LOCAL netinet6 tap
     54 
     55 	test_create_destroy_common $SOCK_LOCAL tap0 true
     56 }
     57 
     58 tap_create_destroy_cleanup()
     59 {
     60 
     61 	$DEBUG && dump
     62 	cleanup
     63 }
     64 
     65 atf_test_case tap_stand_alone cleanup
     66 tap_create_destroy_head()
     67 {
     68 
     69 	atf_set "descr" "tests of alone tap interface"
     70 	atf_set "require.progs" "rump_server"
     71 }
     72 
     73 tap_stand_alone_body()
     74 {
     75 
     76 	rump_server_fs_start $SOCK_LOCAL netinet6 tap
     77 	rump_server_fs_start $SOCK_REMOTE netinet6 tap
     78 
     79 	rump_server_add_iface $SOCK_LOCAL shmif0 $BUS
     80 	rump_server_add_iface $SOCK_REMOTE shmif0 $BUS
     81 
     82 	export RUMP_SERVER=${SOCK_LOCAL}
     83 	atf_check -s exit:0 rump.ifconfig shmif0 $IP4_LOCAL
     84 	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6_LOCAL
     85 	atf_check -s exit:0 rump.ifconfig shmif0 up
     86 	atf_check -s exit:0 rump.ifconfig -w 10
     87 
     88 	export RUMP_SERVER=${SOCK_REMOTE}
     89 
     90 	atf_check -s exit:0 rump.ifconfig shmif0 $IP4_REMOTE
     91 	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6_REMOTE
     92 	atf_check -s exit:0 rump.ifconfig shmif0 up
     93 	atf_check -s exit:0 rump.ifconfig -w 10
     94 
     95 	atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP4_LOCAL
     96 	atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6_LOCAL
     97 
     98 	export RUMP_SERVER=${SOCK_LOCAL}
     99 	atf_check -s exit:0 rump.ifconfig shmif0 $IP4_LOCAL delete
    100 	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6_LOCAL delete
    101 	rump_server_add_iface $SOCK_LOCAL tap0
    102 	atf_check -s exit:0 rump.ifconfig tap0 $IP4_TAP
    103 	atf_check -s exit:0 rump.ifconfig tap0 inet6 $IP6_TAP
    104 	atf_check -s exit:0 rump.ifconfig tap0 up
    105 	atf_check -s exit:0 rump.ifconfig -w 10
    106 
    107 	export RUMP_SERVER=${SOCK_REMOTE}
    108 	# Cannot reach to an alone tap
    109 	atf_check -s not-exit:0 -o ignore -e ignore \
    110 	    rump.ping6 -n -X $TIMEOUT -c 1 $IP6_TAP
    111 	atf_check -s not-exit:0 -o ignore -e ignore \
    112 	    rump.ping -n -w $TIMEOUT -c 1 $IP4_TAP
    113 
    114 	rump_server_destroy_ifaces
    115 }
    116 
    117 tap_stand_alone_cleanup()
    118 {
    119 
    120 	$DEBUG && dump
    121 	cleanup
    122 }
    123 
    124 atf_test_case tap_bridged cleanup
    125 tap_bridged_head()
    126 {
    127 
    128 	atf_set "descr" "tests of alone tap interface"
    129 	atf_set "require.progs" "rump_server"
    130 }
    131 
    132 tap_bridged_body()
    133 {
    134 	local src="$(atf_get_srcdir)"
    135 
    136 	rump_server_fs_start $SOCK_LOCAL netinet6 tap bridge
    137 	rump_server_fs_start $SOCK_REMOTE netinet6 tap
    138 
    139 	rump_server_add_iface $SOCK_LOCAL shmif0 $BUS
    140 	rump_server_add_iface $SOCK_REMOTE shmif0 $BUS
    141 
    142 	export RUMP_SERVER=${SOCK_LOCAL}
    143 
    144 	atf_check -s exit:0 rump.ifconfig shmif0 $IP4_LOCAL
    145 	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6_LOCAL
    146 	atf_check -s exit:0 rump.ifconfig shmif0 up
    147 	rump_server_add_iface $SOCK_LOCAL tap0
    148 	atf_check -s exit:0 rump.ifconfig tap0 $IP4_TAP
    149 	atf_check -s exit:0 rump.ifconfig tap0 inet6 $IP6_TAP
    150 	atf_check -s exit:0 rump.ifconfig tap0 up
    151 
    152 	rump_server_add_iface $SOCK_LOCAL bridge0
    153 	atf_check -s exit:0 rump.ifconfig bridge0 up
    154 	export LD_PRELOAD=/usr/lib/librumphijack.so
    155 	atf_check -s exit:0 brconfig bridge0 add shmif0
    156 	atf_check -s exit:0 brconfig bridge0 add tap0
    157 	unset LD_PRELOAD
    158 
    159 	atf_check -s exit:0 rump.ifconfig -w 10
    160 
    161 	export RUMP_SERVER=${SOCK_REMOTE}
    162 
    163 	atf_check -s exit:0 rump.ifconfig shmif0 $IP4_REMOTE
    164 	atf_check -s exit:0 rump.ifconfig shmif0 inet6 $IP6_REMOTE
    165 	atf_check -s exit:0 rump.ifconfig shmif0 up
    166 	atf_check -s exit:0 rump.ifconfig -w 10
    167 
    168 	# shmif0 on the server bridge is active, we expect this to work
    169 	atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP4_LOCAL
    170 	atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6_LOCAL
    171 
    172 	# The tap is not open, we expect this to fail
    173 	atf_check -s not-exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP4_TAP
    174 	atf_check -s not-exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6_TAP
    175 
    176 	# Open the tap on the server
    177 	export RUMP_SERVER=${SOCK_LOCAL}
    178 	atf_check -s exit:0 "$src"/rump_open_tap /dev/tap0 $TAP_PID
    179 	atf_check -s exit:0 rump.ifconfig -w 10
    180 
    181 	# Now we can ping the tap address
    182 	export RUMP_SERVER=${SOCK_REMOTE}
    183 	atf_check -s exit:0 -o ignore rump.ping -n -w $TIMEOUT -c 1 $IP4_TAP
    184 	atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 $IP6_TAP
    185 
    186 	rump_server_destroy_ifaces
    187 }
    188 
    189 tap_bridged_cleanup()
    190 {
    191 
    192         if [ -f $TAP_PID ]; then
    193 		kill -9 $(cat $TAP_PID)
    194 		rm -f $TAP_PID
    195 		sleep 1
    196 	fi
    197 	$DEBUG && dump
    198 	cleanup
    199 }
    200 
    201 atf_init_test_cases()
    202 {
    203 
    204 	atf_add_test_case tap_create_destroy
    205 	atf_add_test_case tap_stand_alone
    206 	atf_add_test_case tap_bridged
    207 }
    208