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net_common.sh revision 1.16 
      1 #	$NetBSD: net_common.sh,v 1.16 2017/05/17 06:30:15 ozaki-r 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 #
     29 # Common utility functions for tests/net
     30 #
     31 
     32 HIJACKING="env LD_PRELOAD=/usr/lib/librumphijack.so \
     33     RUMPHIJACK=path=/rump,socket=all:nolocal,sysctl=yes"
     34 ONEDAYISH="(23h5[0-9]m|1d0h0m)[0-9]+s ?"
     35 
     36 extract_new_packets()
     37 {
     38 	local bus=$1
     39 	local old=./.__old
     40 
     41 	if [ ! -f $old ]; then
     42 		old=/dev/null
     43 	fi
     44 
     45 	shmif_dumpbus -p - $bus 2>/dev/null| \
     46 	    tcpdump -n -e -r - 2>/dev/null > ./.__new
     47 	diff -u $old ./.__new |grep '^+' |cut -d '+' -f 2 > ./.__diff
     48 	mv -f ./.__new ./.__old
     49 	cat ./.__diff
     50 }
     51 
     52 check_route()
     53 {
     54 	local target=$1
     55 	local gw=$2
     56 	local flags=${3:-\.\+}
     57 	local ifname=${4:-\.\+}
     58 
     59 	target=$(echo $target |sed 's/\./\\./g')
     60 	if [ "$gw" = "" ]; then
     61 		gw=".+"
     62 	else
     63 		gw=$(echo $gw |sed 's/\./\\./g')
     64 	fi
     65 
     66 	atf_check -s exit:0 -e ignore \
     67 	    -o match:"^$target +$gw +$flags +- +- +.+ +$ifname" \
     68 	    rump.netstat -rn
     69 }
     70 
     71 check_route_flags()
     72 {
     73 
     74 	check_route "$1" "" "$2" ""
     75 }
     76 
     77 check_route_gw()
     78 {
     79 
     80 	check_route "$1" "$2" "" ""
     81 }
     82 
     83 check_route_no_entry()
     84 {
     85 	local target=$(echo $1 |sed 's/\./\\./g')
     86 
     87 	atf_check -s exit:0 -e ignore -o not-match:"^$target" \
     88 	    rump.netstat -rn
     89 }
     90 
     91 get_linklocal_addr()
     92 {
     93 
     94 	export RUMP_SERVER=${1}
     95 	rump.ifconfig ${2} inet6 |
     96 	    awk "/fe80/ {sub(/%$2/, \"\"); sub(/\\/[0-9]*/, \"\"); print \$2;}"
     97 	unset RUMP_SERVER
     98 
     99 	return 0
    100 }
    101 
    102 get_macaddr()
    103 {
    104 
    105 	env RUMP_SERVER=${1} \
    106 	    rump.ifconfig ${2} |awk '/address/ {print $2;}'
    107 }
    108 
    109 HTTPD_PID=./.__httpd.pid
    110 start_httpd()
    111 {
    112 	local sock=$1
    113 	local ip=$2
    114 	local backup=$RUMP_SERVER
    115 
    116 	export RUMP_SERVER=$sock
    117 
    118 	# start httpd in daemon mode
    119 	atf_check -s exit:0 env LD_PRELOAD=/usr/lib/librumphijack.so \
    120 	    /usr/libexec/httpd -P $HTTPD_PID -i $ip -b -s $(pwd)
    121 
    122 	export RUMP_SERVER=$backup
    123 
    124 	sleep 3
    125 }
    126 
    127 stop_httpd()
    128 {
    129 
    130 	if [ -f $HTTPD_PID ]; then
    131 		kill -9 $(cat $HTTPD_PID)
    132 		rm -f $HTTPD_PID
    133 		sleep 1
    134 	fi
    135 }
    136 
    137 NC_PID=./.__nc.pid
    138 start_nc_server()
    139 {
    140 	local sock=$1
    141 	local port=$2
    142 	local outfile=$3
    143 	local proto=${4:-ipv4}
    144 	local backup=$RUMP_SERVER
    145 	local pid= opts=
    146 
    147 	export RUMP_SERVER=$sock
    148 
    149 	if [ $proto = ipv4 ]; then
    150 		opts="-l -4"
    151 	else
    152 		opts="-l -6"
    153 	fi
    154 
    155 	env LD_PRELOAD=/usr/lib/librumphijack.so \
    156 	    nc $opts $port > $outfile &
    157 	pid=$!
    158 	echo $pid > $NC_PID
    159 
    160 	$DEBUG && rump.netstat -a -f inet
    161 
    162 	export RUMP_SERVER=$backup
    163 
    164 	sleep 1
    165 }
    166 
    167 stop_nc_server()
    168 {
    169 
    170 	if [ -f $NC_PID ]; then
    171 		kill -9 $(cat $NC_PID)
    172 		rm -f $NC_PID
    173 		sleep 1
    174 	fi
    175 }
    176 
    177 BASIC_LIBS="-lrumpnet -lrumpnet_net -lrumpnet_netinet \
    178     -lrumpnet_shmif -lrumpdev"
    179 FS_LIBS="$BASIC_LIBS -lrumpvfs -lrumpfs_ffs"
    180 CRYPTO_LIBS="$BASIC_LIBS -lrumpvfs -lrumpdev_opencrypto \
    181     -lrumpkern_z -lrumpkern_crypto"
    182 
    183 # We cannot keep variables between test phases, so need to store in files
    184 _rump_server_socks=./.__socks
    185 _rump_server_ifaces=./.__ifaces
    186 _rump_server_buses=./.__buses
    187 
    188 _rump_server_start_common()
    189 {
    190 	local sock=$1
    191 	local libs=
    192 
    193 	shift 1
    194 	libs="$*"
    195 
    196 	atf_check -s exit:0 rump_server $libs $sock
    197 
    198 	echo $sock >> $_rump_server_socks
    199 	$DEBUG && cat $_rump_server_socks
    200 }
    201 
    202 rump_server_start()
    203 {
    204 	local sock=$1
    205 	local _libs=
    206 	local libs="$BASIC_LIBS"
    207 
    208 	shift 1
    209 	_libs="$*"
    210 
    211 	for lib in $_libs; do
    212 		libs="$libs -lrumpnet_$lib"
    213 	done
    214 
    215 	_rump_server_start_common $sock $libs
    216 
    217 	return 0
    218 }
    219 
    220 rump_server_fs_start()
    221 {
    222 	local sock=$1
    223 	local _libs=
    224 	local libs="$FS_LIBS"
    225 
    226 	shift 1
    227 	_libs="$*"
    228 
    229 	for lib in $_libs; do
    230 		libs="$libs -lrumpnet_$lib"
    231 	done
    232 
    233 	_rump_server_start_common $sock $libs
    234 
    235 	return 0
    236 }
    237 
    238 rump_server_crypto_start()
    239 {
    240 	local sock=$1
    241 	local _libs=
    242 	local libs="$CRYPTO_LIBS"
    243 
    244 	shift 1
    245 	_libs="$*"
    246 
    247 	for lib in $_libs; do
    248 		libs="$libs -lrumpnet_$lib"
    249 	done
    250 
    251 	_rump_server_start_common $sock $libs
    252 
    253 	return 0
    254 }
    255 
    256 rump_server_add_iface()
    257 {
    258 	local sock=$1
    259 	local ifname=$2
    260 	local bus=$3
    261 	local backup=$RUMP_SERVER
    262 
    263 	export RUMP_SERVER=$sock
    264 	atf_check -s exit:0 rump.ifconfig $ifname create
    265 	atf_check -s exit:0 rump.ifconfig $ifname linkstr $bus
    266 	export RUMP_SERVER=$backup
    267 
    268 	echo $sock $ifname >> $_rump_server_ifaces
    269 	$DEBUG && cat $_rump_server_ifaces
    270 
    271 	echo $bus >> $_rump_server_buses
    272 	cat $_rump_server_buses |sort -u >./.__tmp
    273 	mv -f ./.__tmp $_rump_server_buses
    274 	$DEBUG && cat $_rump_server_buses
    275 
    276 	return 0
    277 }
    278 
    279 rump_server_destroy_ifaces()
    280 {
    281 	local backup=$RUMP_SERVER
    282 
    283 	$DEBUG && cat $_rump_server_ifaces
    284 
    285 	# Try to dump states before destroying interfaces
    286 	for sock in $(cat $_rump_server_socks); do
    287 		export RUMP_SERVER=$sock
    288 		atf_check -s exit:0 -o ignore rump.ifconfig
    289 		atf_check -s exit:0 -o ignore rump.netstat -nr
    290 		# XXX still need hijacking
    291 		atf_check -s exit:0 -o ignore $HIJACKING rump.netstat -i -a
    292 		atf_check -s exit:0 -o ignore rump.arp -na
    293 		atf_check -s exit:0 -o ignore rump.ndp -na
    294 		atf_check -s exit:0 -o ignore $HIJACKING ifmcstat
    295 	done
    296 
    297 	# XXX using pipe doesn't work. See PR bin/51667
    298 	#cat $_rump_server_ifaces | while read sock ifname; do
    299 	while read sock ifname; do
    300 		export RUMP_SERVER=$sock
    301 		if rump.ifconfig -l |grep -q $ifname; then
    302 			atf_check -s exit:0 rump.ifconfig $ifname destroy
    303 		fi
    304 		atf_check -s exit:0 -o ignore rump.ifconfig
    305 	done < $_rump_server_ifaces
    306 	export RUMP_SERVER=$backup
    307 
    308 	return 0
    309 }
    310 
    311 rump_server_halt_servers()
    312 {
    313 	local backup=$RUMP_SERVER
    314 
    315 	$DEBUG && cat $_rump_server_socks
    316 	for sock in $(cat $_rump_server_socks); do
    317 		env RUMP_SERVER=$sock rump.halt
    318 	done
    319 	export RUMP_SERVER=$backup
    320 
    321 	return 0
    322 }
    323 
    324 rump_server_dump_servers()
    325 {
    326 	local backup=$RUMP_SERVER
    327 
    328 	$DEBUG && cat $_rump_server_socks
    329 	for sock in $(cat $_rump_server_socks); do
    330 		echo "### Dumping $sock"
    331 		export RUMP_SERVER=$sock
    332 		rump.ifconfig
    333 		rump.netstat -nr
    334 		# XXX still need hijacking
    335 		$HIJACKING rump.netstat -i -a
    336 		rump.arp -na
    337 		rump.ndp -na
    338 		$HIJACKING ifmcstat
    339 		$HIJACKING dmesg
    340 	done
    341 	export RUMP_SERVER=$backup
    342 
    343 	if [ -f rump_server.core ]; then
    344 		gdb -ex bt /usr/bin/rump_server rump_server.core
    345 		strings rump_server.core |grep panic
    346 	fi
    347 	return 0
    348 }
    349 
    350 rump_server_dump_buses()
    351 {
    352 
    353 	if [ ! -f $_rump_server_buses ]; then
    354 		return 0
    355 	fi
    356 
    357 	$DEBUG && cat $_rump_server_buses
    358 	for bus in $(cat $_rump_server_buses); do
    359 		echo "### Dumping $bus"
    360 		shmif_dumpbus -p - $bus 2>/dev/null| tcpdump -n -e -r -
    361 	done
    362 	return 0
    363 }
    364 
    365 cleanup()
    366 {
    367 
    368 	rump_server_halt_servers
    369 }
    370 
    371 dump()
    372 {
    373 
    374 	rump_server_dump_servers
    375 	rump_server_dump_buses
    376 }
    377