net_common.sh revision 1.24
1 # $NetBSD: net_common.sh,v 1.24 2017/11/07 09:17:06 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 if [ $proto = ipv4 ]; then 161 $DEBUG && rump.netstat -a -f inet 162 else 163 $DEBUG && rump.netstat -a -f inet6 164 fi 165 166 export RUMP_SERVER=$backup 167 168 sleep 1 169 } 170 171 stop_nc_server() 172 { 173 174 if [ -f $NC_PID ]; then 175 kill -9 $(cat $NC_PID) 176 rm -f $NC_PID 177 sleep 1 178 fi 179 } 180 181 BASIC_LIBS="-lrumpnet -lrumpnet_net -lrumpnet_netinet \ 182 -lrumpnet_shmif -lrumpdev" 183 FS_LIBS="$BASIC_LIBS -lrumpvfs -lrumpfs_ffs" 184 CRYPTO_LIBS="$BASIC_LIBS -lrumpvfs -lrumpdev_opencrypto \ 185 -lrumpkern_z -lrumpkern_crypto" 186 NPF_LIBS="$BASIC_LIBS -lrumpvfs -lrumpdev_bpf -lrumpnet_npf" 187 188 # We cannot keep variables between test phases, so need to store in files 189 _rump_server_socks=./.__socks 190 _rump_server_ifaces=./.__ifaces 191 _rump_server_buses=./.__buses 192 193 DEBUG_SYSCTL_ENTRIES="net.inet.arp.debug net.inet6.icmp6.nd6_debug \ 194 net.inet.ipsec.debug" 195 196 IPSEC_KEY_DEBUG=${IPSEC_KEY_DEBUG:-false} 197 198 _rump_server_start_common() 199 { 200 local sock=$1 201 local libs= 202 local backup=$RUMP_SERVER 203 204 shift 1 205 libs="$*" 206 207 atf_check -s exit:0 rump_server $libs $sock 208 209 if $DEBUG; then 210 # Enable debugging features in the kernel 211 export RUMP_SERVER=$sock 212 for ent in $DEBUG_SYSCTL_ENTRIES; do 213 if rump.sysctl -q $ent; then 214 atf_check -s exit:0 rump.sysctl -q -w $ent=1 215 fi 216 done 217 export RUMP_SERVER=$backup 218 fi 219 if $IPSEC_KEY_DEBUG; then 220 # Enable debugging features in the kernel 221 export RUMP_SERVER=$sock 222 if rump.sysctl -q net.key.debug; then 223 atf_check -s exit:0 \ 224 rump.sysctl -q -w net.key.debug=0xffff 225 fi 226 export RUMP_SERVER=$backup 227 fi 228 229 echo $sock >> $_rump_server_socks 230 $DEBUG && cat $_rump_server_socks 231 } 232 233 rump_server_start() 234 { 235 local sock=$1 236 local _libs= 237 local libs="$BASIC_LIBS" 238 239 shift 1 240 _libs="$*" 241 242 for lib in $_libs; do 243 libs="$libs -lrumpnet_$lib" 244 done 245 246 _rump_server_start_common $sock $libs 247 248 return 0 249 } 250 251 rump_server_fs_start() 252 { 253 local sock=$1 254 local _libs= 255 local libs="$FS_LIBS" 256 257 shift 1 258 _libs="$*" 259 260 for lib in $_libs; do 261 libs="$libs -lrumpnet_$lib" 262 done 263 264 _rump_server_start_common $sock $libs 265 266 return 0 267 } 268 269 rump_server_crypto_start() 270 { 271 local sock=$1 272 local _libs= 273 local libs="$CRYPTO_LIBS" 274 275 shift 1 276 _libs="$*" 277 278 for lib in $_libs; do 279 libs="$libs -lrumpnet_$lib" 280 done 281 282 _rump_server_start_common $sock $libs 283 284 return 0 285 } 286 287 rump_server_npf_start() 288 { 289 local sock=$1 290 local _libs= 291 local libs="$NPF_LIBS" 292 293 shift 1 294 _libs="$*" 295 296 for lib in $_libs; do 297 libs="$libs -lrumpnet_$lib" 298 done 299 300 _rump_server_start_common $sock $libs 301 302 return 0 303 } 304 305 rump_server_add_iface() 306 { 307 local sock=$1 308 local ifname=$2 309 local bus=$3 310 local backup=$RUMP_SERVER 311 312 export RUMP_SERVER=$sock 313 atf_check -s exit:0 rump.ifconfig $ifname create 314 atf_check -s exit:0 rump.ifconfig $ifname linkstr $bus 315 export RUMP_SERVER=$backup 316 317 echo $sock $ifname >> $_rump_server_ifaces 318 $DEBUG && cat $_rump_server_ifaces 319 320 echo $bus >> $_rump_server_buses 321 cat $_rump_server_buses |sort -u >./.__tmp 322 mv -f ./.__tmp $_rump_server_buses 323 $DEBUG && cat $_rump_server_buses 324 325 return 0 326 } 327 328 rump_server_destroy_ifaces() 329 { 330 local backup=$RUMP_SERVER 331 332 $DEBUG && cat $_rump_server_ifaces 333 334 # Try to dump states before destroying interfaces 335 for sock in $(cat $_rump_server_socks); do 336 export RUMP_SERVER=$sock 337 atf_check -s exit:0 -o ignore rump.ifconfig 338 atf_check -s exit:0 -o ignore rump.netstat -nr 339 # XXX still need hijacking 340 atf_check -s exit:0 -o ignore $HIJACKING rump.netstat -nai 341 atf_check -s exit:0 -o ignore rump.arp -na 342 atf_check -s exit:0 -o ignore rump.ndp -na 343 atf_check -s exit:0 -o ignore $HIJACKING ifmcstat 344 done 345 346 # XXX using pipe doesn't work. See PR bin/51667 347 #cat $_rump_server_ifaces | while read sock ifname; do 348 while read sock ifname; do 349 export RUMP_SERVER=$sock 350 if rump.ifconfig -l |grep -q $ifname; then 351 atf_check -s exit:0 rump.ifconfig $ifname destroy 352 fi 353 atf_check -s exit:0 -o ignore rump.ifconfig 354 done < $_rump_server_ifaces 355 export RUMP_SERVER=$backup 356 357 return 0 358 } 359 360 rump_server_halt_servers() 361 { 362 local backup=$RUMP_SERVER 363 364 $DEBUG && cat $_rump_server_socks 365 for sock in $(cat $_rump_server_socks); do 366 env RUMP_SERVER=$sock rump.halt 367 done 368 export RUMP_SERVER=$backup 369 370 return 0 371 } 372 373 rump_server_dump_servers() 374 { 375 local backup=$RUMP_SERVER 376 377 $DEBUG && cat $_rump_server_socks 378 for sock in $(cat $_rump_server_socks); do 379 echo "### Dumping $sock" 380 export RUMP_SERVER=$sock 381 rump.ifconfig -av 382 rump.netstat -nr 383 # XXX still need hijacking 384 $HIJACKING rump.netstat -nai 385 rump.arp -na 386 rump.ndp -na 387 $HIJACKING ifmcstat 388 $HIJACKING dmesg 389 done 390 export RUMP_SERVER=$backup 391 392 if [ -f rump_server.core ]; then 393 gdb -ex bt /usr/bin/rump_server rump_server.core 394 strings rump_server.core |grep panic 395 fi 396 return 0 397 } 398 399 rump_server_dump_buses() 400 { 401 402 if [ ! -f $_rump_server_buses ]; then 403 return 0 404 fi 405 406 $DEBUG && cat $_rump_server_buses 407 for bus in $(cat $_rump_server_buses); do 408 echo "### Dumping $bus" 409 shmif_dumpbus -p - $bus 2>/dev/null| tcpdump -n -e -r - 410 done 411 return 0 412 } 413 414 cleanup() 415 { 416 417 rump_server_halt_servers 418 } 419 420 dump() 421 { 422 423 rump_server_dump_servers 424 rump_server_dump_buses 425 } 426 427 skip_if_qemu() 428 { 429 if sysctl machdep.cpu_brand 2>/dev/null | grep QEMU >/dev/null 2>&1 430 then 431 atf_skip "unreliable under qemu, skip until PR kern/43997 fixed" 432 fi 433 } 434
Indexes created Thu Oct 02 10:09:58 GMT 2025