1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4ip -Version > /dev/null 2>&1 5if [ $? -ne 0 ];then 6 echo "SKIP: Cannot not run test without ip tool" 7 exit 1 8fi 9 10ANNOUNCED=6 # MPTCP_EVENT_ANNOUNCED 11REMOVED=7 # MPTCP_EVENT_REMOVED 12SUB_ESTABLISHED=10 # MPTCP_EVENT_SUB_ESTABLISHED 13SUB_CLOSED=11 # MPTCP_EVENT_SUB_CLOSED 14LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED 15LISTENER_CLOSED=16 #MPTCP_EVENT_LISTENER_CLOSED 16 17AF_INET=2 18AF_INET6=10 19 20file="" 21server_evts="" 22client_evts="" 23server_evts_pid=0 24client_evts_pid=0 25client4_pid=0 26server4_pid=0 27client6_pid=0 28server6_pid=0 29client4_token="" 30server4_token="" 31client6_token="" 32server6_token="" 33client4_port=0; 34client6_port=0; 35app4_port=50002 36new4_port=50003 37app6_port=50004 38client_addr_id=${RANDOM:0:2} 39server_addr_id=${RANDOM:0:2} 40 41sec=$(date +%s) 42rndh=$(printf %x "$sec")-$(mktemp -u XXXXXX) 43ns1="ns1-$rndh" 44ns2="ns2-$rndh" 45 46print_title() 47{ 48 stdbuf -o0 -e0 printf "INFO: %s\n" "${1}" 49} 50 51kill_wait() 52{ 53 [ $1 -eq 0 ] && return 0 54 55 kill -SIGUSR1 $1 > /dev/null 2>&1 56 kill $1 > /dev/null 2>&1 57 wait $1 2>/dev/null 58} 59 60cleanup() 61{ 62 print_title "Cleanup" 63 64 # Terminate the MPTCP connection and related processes 65 local pid 66 for pid in $client4_pid $server4_pid $client6_pid $server6_pid\ 67 $server_evts_pid $client_evts_pid 68 do 69 kill_wait $pid 70 done 71 72 local netns 73 for netns in "$ns1" "$ns2" ;do 74 ip netns del "$netns" 75 done 76 77 rm -rf $file $client_evts $server_evts 78 79 stdbuf -o0 -e0 printf "Done\n" 80} 81 82trap cleanup EXIT 83 84# Create and configure network namespaces for testing 85for i in "$ns1" "$ns2" ;do 86 ip netns add "$i" || exit 1 87 ip -net "$i" link set lo up 88 ip netns exec "$i" sysctl -q net.mptcp.enabled=1 89 ip netns exec "$i" sysctl -q net.mptcp.pm_type=1 90done 91 92# "$ns1" ns2 93# ns1eth2 ns2eth1 94 95ip link add ns1eth2 netns "$ns1" type veth peer name ns2eth1 netns "$ns2" 96 97# Add IPv4/v6 addresses to the namespaces 98ip -net "$ns1" addr add 10.0.1.1/24 dev ns1eth2 99ip -net "$ns1" addr add 10.0.2.1/24 dev ns1eth2 100ip -net "$ns1" addr add dead:beef:1::1/64 dev ns1eth2 nodad 101ip -net "$ns1" addr add dead:beef:2::1/64 dev ns1eth2 nodad 102ip -net "$ns1" link set ns1eth2 up 103 104ip -net "$ns2" addr add 10.0.1.2/24 dev ns2eth1 105ip -net "$ns2" addr add 10.0.2.2/24 dev ns2eth1 106ip -net "$ns2" addr add dead:beef:1::2/64 dev ns2eth1 nodad 107ip -net "$ns2" addr add dead:beef:2::2/64 dev ns2eth1 nodad 108ip -net "$ns2" link set ns2eth1 up 109 110print_title "Init" 111stdbuf -o0 -e0 printf "Created network namespaces ns1, ns2 \t\t\t[OK]\n" 112 113make_file() 114{ 115 # Store a chunk of data in a file to transmit over an MPTCP connection 116 local name=$1 117 local ksize=1 118 119 dd if=/dev/urandom of="$name" bs=2 count=$ksize 2> /dev/null 120 echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name" 121} 122 123make_connection() 124{ 125 if [ -z "$file" ]; then 126 file=$(mktemp) 127 fi 128 make_file "$file" "client" 129 130 local is_v6=$1 131 local app_port=$app4_port 132 local connect_addr="10.0.1.1" 133 local listen_addr="0.0.0.0" 134 if [ "$is_v6" = "v6" ] 135 then 136 connect_addr="dead:beef:1::1" 137 listen_addr="::" 138 app_port=$app6_port 139 else 140 is_v6="v4" 141 fi 142 143 # Capture netlink events over the two network namespaces running 144 # the MPTCP client and server 145 if [ -z "$client_evts" ]; then 146 client_evts=$(mktemp) 147 fi 148 :>"$client_evts" 149 if [ $client_evts_pid -ne 0 ]; then 150 kill_wait $client_evts_pid 151 fi 152 ip netns exec "$ns2" ./pm_nl_ctl events >> "$client_evts" 2>&1 & 153 client_evts_pid=$! 154 if [ -z "$server_evts" ]; then 155 server_evts=$(mktemp) 156 fi 157 :>"$server_evts" 158 if [ $server_evts_pid -ne 0 ]; then 159 kill_wait $server_evts_pid 160 fi 161 ip netns exec "$ns1" ./pm_nl_ctl events >> "$server_evts" 2>&1 & 162 server_evts_pid=$! 163 sleep 0.5 164 165 # Run the server 166 ip netns exec "$ns1" \ 167 ./mptcp_connect -s MPTCP -w 300 -p $app_port -l $listen_addr > /dev/null 2>&1 & 168 local server_pid=$! 169 sleep 0.5 170 171 # Run the client, transfer $file and stay connected to the server 172 # to conduct tests 173 ip netns exec "$ns2" \ 174 ./mptcp_connect -s MPTCP -w 300 -m sendfile -p $app_port $connect_addr\ 175 2>&1 > /dev/null < "$file" & 176 local client_pid=$! 177 sleep 1 178 179 # Capture client/server attributes from MPTCP connection netlink events 180 181 local client_token 182 local client_port 183 local client_serverside 184 local server_token 185 local server_serverside 186 187 client_token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") 188 client_port=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") 189 client_serverside=$(sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q'\ 190 "$client_evts") 191 server_token=$(grep "type:1," "$server_evts" | 192 sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q') 193 server_serverside=$(grep "type:1," "$server_evts" | 194 sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q') 195 196 stdbuf -o0 -e0 printf "Established IP%s MPTCP Connection ns2 => ns1 \t\t" $is_v6 197 if [ "$client_token" != "" ] && [ "$server_token" != "" ] && [ "$client_serverside" = 0 ] && 198 [ "$server_serverside" = 1 ] 199 then 200 stdbuf -o0 -e0 printf "[OK]\n" 201 else 202 stdbuf -o0 -e0 printf "[FAIL]\n" 203 stdbuf -o0 -e0 printf "\tExpected tokens (c:%s - s:%s) and server (c:%d - s:%d)\n" \ 204 "${client_token}" "${server_token}" \ 205 "${client_serverside}" "${server_serverside}" 206 exit 1 207 fi 208 209 if [ "$is_v6" = "v6" ] 210 then 211 client6_token=$client_token 212 server6_token=$server_token 213 client6_port=$client_port 214 client6_pid=$client_pid 215 server6_pid=$server_pid 216 else 217 client4_token=$client_token 218 server4_token=$server_token 219 client4_port=$client_port 220 client4_pid=$client_pid 221 server4_pid=$server_pid 222 fi 223} 224 225# $1: var name ; $2: prev ret 226check_expected_one() 227{ 228 local var="${1}" 229 local exp="e_${var}" 230 local prev_ret="${2}" 231 232 if [ "${!var}" = "${!exp}" ] 233 then 234 return 0 235 fi 236 237 if [ "${prev_ret}" = "0" ] 238 then 239 stdbuf -o0 -e0 printf "[FAIL]\n" 240 fi 241 242 stdbuf -o0 -e0 printf "\tExpected value for '%s': '%s', got '%s'.\n" \ 243 "${var}" "${!exp}" "${!var}" 244 return 1 245} 246 247# $@: all var names to check 248check_expected() 249{ 250 local ret=0 251 local var 252 253 for var in "${@}" 254 do 255 check_expected_one "${var}" "${ret}" || ret=1 256 done 257 258 if [ ${ret} -eq 0 ] 259 then 260 stdbuf -o0 -e0 printf "[OK]\n" 261 return 0 262 fi 263 264 exit 1 265} 266 267verify_announce_event() 268{ 269 local evt=$1 270 local e_type=$2 271 local e_token=$3 272 local e_addr=$4 273 local e_id=$5 274 local e_dport=$6 275 local e_af=$7 276 local type 277 local token 278 local addr 279 local dport 280 local id 281 282 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 283 token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 284 if [ "$e_af" = "v6" ] 285 then 286 addr=$(sed --unbuffered -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt") 287 else 288 addr=$(sed --unbuffered -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt") 289 fi 290 dport=$(sed --unbuffered -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 291 id=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 292 293 check_expected "type" "token" "addr" "dport" "id" 294} 295 296test_announce() 297{ 298 print_title "Announce tests" 299 300 # Capture events on the network namespace running the server 301 :>"$server_evts" 302 303 # ADD_ADDR using an invalid token should result in no action 304 local invalid_token=$(( client4_token - 1)) 305 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token $invalid_token id\ 306 $client_addr_id dev ns2eth1 > /dev/null 2>&1 307 308 local type 309 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") 310 stdbuf -o0 -e0 printf "ADD_ADDR 10.0.2.2 (ns2) => ns1, invalid token \t\t" 311 if [ "$type" = "" ] 312 then 313 stdbuf -o0 -e0 printf "[OK]\n" 314 else 315 stdbuf -o0 -e0 printf "[FAIL]\n\ttype defined: %s\n" "${type}" 316 exit 1 317 fi 318 319 # ADD_ADDR from the client to server machine reusing the subflow port 320 :>"$server_evts" 321 ip netns exec "$ns2"\ 322 ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id $client_addr_id dev\ 323 ns2eth1 > /dev/null 2>&1 324 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.2 (ns2) => ns1, reuse port \t\t" $client_addr_id 325 sleep 0.5 326 verify_announce_event $server_evts $ANNOUNCED $server4_token "10.0.2.2" $client_addr_id \ 327 "$client4_port" 328 329 # ADD_ADDR6 from the client to server machine reusing the subflow port 330 :>"$server_evts" 331 ip netns exec "$ns2" ./pm_nl_ctl ann\ 332 dead:beef:2::2 token "$client6_token" id $client_addr_id dev ns2eth1 > /dev/null 2>&1 333 stdbuf -o0 -e0 printf "ADD_ADDR6 id:%d dead:beef:2::2 (ns2) => ns1, reuse port\t\t" $client_addr_id 334 sleep 0.5 335 verify_announce_event "$server_evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\ 336 "$client_addr_id" "$client6_port" "v6" 337 338 # ADD_ADDR from the client to server machine using a new port 339 :>"$server_evts" 340 client_addr_id=$((client_addr_id+1)) 341 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 342 $client_addr_id dev ns2eth1 port $new4_port > /dev/null 2>&1 343 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.2 (ns2) => ns1, new port \t\t\t" $client_addr_id 344 sleep 0.5 345 verify_announce_event "$server_evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\ 346 "$client_addr_id" "$new4_port" 347 348 # Capture events on the network namespace running the client 349 :>"$client_evts" 350 351 # ADD_ADDR from the server to client machine reusing the subflow port 352 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 353 $server_addr_id dev ns1eth2 > /dev/null 2>&1 354 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.1 (ns1) => ns2, reuse port \t\t" $server_addr_id 355 sleep 0.5 356 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 357 "$server_addr_id" "$app4_port" 358 359 # ADD_ADDR6 from the server to client machine reusing the subflow port 360 :>"$client_evts" 361 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ 362 $server_addr_id dev ns1eth2 > /dev/null 2>&1 363 stdbuf -o0 -e0 printf "ADD_ADDR6 id:%d dead:beef:2::1 (ns1) => ns2, reuse port\t\t" $server_addr_id 364 sleep 0.5 365 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\ 366 "$server_addr_id" "$app6_port" "v6" 367 368 # ADD_ADDR from the server to client machine using a new port 369 :>"$client_evts" 370 server_addr_id=$((server_addr_id+1)) 371 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 372 $server_addr_id dev ns1eth2 port $new4_port > /dev/null 2>&1 373 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.1 (ns1) => ns2, new port \t\t\t" $server_addr_id 374 sleep 0.5 375 verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 376 "$server_addr_id" "$new4_port" 377} 378 379verify_remove_event() 380{ 381 local evt=$1 382 local e_type=$2 383 local e_token=$3 384 local e_id=$4 385 local type 386 local token 387 local id 388 389 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 390 token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 391 id=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 392 393 check_expected "type" "token" "id" 394} 395 396test_remove() 397{ 398 print_title "Remove tests" 399 400 # Capture events on the network namespace running the server 401 :>"$server_evts" 402 403 # RM_ADDR using an invalid token should result in no action 404 local invalid_token=$(( client4_token - 1 )) 405 ip netns exec "$ns2" ./pm_nl_ctl rem token $invalid_token id\ 406 $client_addr_id > /dev/null 2>&1 407 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1, invalid token \t"\ 408 $client_addr_id 409 local type 410 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") 411 if [ "$type" = "" ] 412 then 413 stdbuf -o0 -e0 printf "[OK]\n" 414 else 415 stdbuf -o0 -e0 printf "[FAIL]\n" 416 fi 417 418 # RM_ADDR using an invalid addr id should result in no action 419 local invalid_id=$(( client_addr_id + 1 )) 420 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 421 $invalid_id > /dev/null 2>&1 422 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1, invalid id \t"\ 423 $invalid_id 424 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") 425 if [ "$type" = "" ] 426 then 427 stdbuf -o0 -e0 printf "[OK]\n" 428 else 429 stdbuf -o0 -e0 printf "[FAIL]\n" 430 fi 431 432 # RM_ADDR from the client to server machine 433 :>"$server_evts" 434 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 435 $client_addr_id > /dev/null 2>&1 436 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1 \t"\ 437 $client_addr_id 438 sleep 0.5 439 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" 440 441 # RM_ADDR from the client to server machine 442 :>"$server_evts" 443 client_addr_id=$(( client_addr_id - 1 )) 444 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 445 $client_addr_id > /dev/null 2>&1 446 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1 \t"\ 447 $client_addr_id 448 sleep 0.5 449 verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" 450 451 # RM_ADDR6 from the client to server machine 452 :>"$server_evts" 453 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client6_token" id\ 454 $client_addr_id > /dev/null 2>&1 455 stdbuf -o0 -e0 printf "RM_ADDR6 id:%d ns2 => ns1 \t"\ 456 $client_addr_id 457 sleep 0.5 458 verify_remove_event "$server_evts" "$REMOVED" "$server6_token" "$client_addr_id" 459 460 # Capture events on the network namespace running the client 461 :>"$client_evts" 462 463 # RM_ADDR from the server to client machine 464 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 465 $server_addr_id > /dev/null 2>&1 466 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns1 => ns2 \t"\ 467 $server_addr_id 468 sleep 0.5 469 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" 470 471 # RM_ADDR from the server to client machine 472 :>"$client_evts" 473 server_addr_id=$(( server_addr_id - 1 )) 474 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 475 $server_addr_id > /dev/null 2>&1 476 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns1 => ns2 \t" $server_addr_id 477 sleep 0.5 478 verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" 479 480 # RM_ADDR6 from the server to client machine 481 :>"$client_evts" 482 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server6_token" id\ 483 $server_addr_id > /dev/null 2>&1 484 stdbuf -o0 -e0 printf "RM_ADDR6 id:%d ns1 => ns2 \t" $server_addr_id 485 sleep 0.5 486 verify_remove_event "$client_evts" "$REMOVED" "$client6_token" "$server_addr_id" 487} 488 489verify_subflow_events() 490{ 491 local evt=$1 492 local e_type=$2 493 local e_token=$3 494 local e_family=$4 495 local e_saddr=$5 496 local e_daddr=$6 497 local e_dport=$7 498 local e_locid=$8 499 local e_remid=$9 500 shift 2 501 local e_from=$8 502 local e_to=$9 503 local type 504 local token 505 local family 506 local saddr 507 local daddr 508 local dport 509 local locid 510 local remid 511 512 if [ "$e_type" = "$SUB_ESTABLISHED" ] 513 then 514 if [ "$e_family" = "$AF_INET6" ] 515 then 516 stdbuf -o0 -e0 printf "CREATE_SUBFLOW6 %s (%s) => %s (%s) "\ 517 "$e_saddr" "$e_from" "$e_daddr" "$e_to" 518 else 519 stdbuf -o0 -e0 printf "CREATE_SUBFLOW %s (%s) => %s (%s) \t"\ 520 "$e_saddr" "$e_from" "$e_daddr" "$e_to" 521 fi 522 else 523 if [ "$e_family" = "$AF_INET6" ] 524 then 525 stdbuf -o0 -e0 printf "DESTROY_SUBFLOW6 %s (%s) => %s (%s) "\ 526 "$e_saddr" "$e_from" "$e_daddr" "$e_to" 527 else 528 stdbuf -o0 -e0 printf "DESTROY_SUBFLOW %s (%s) => %s (%s) \t"\ 529 "$e_saddr" "$e_from" "$e_daddr" "$e_to" 530 fi 531 fi 532 533 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 534 token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 535 family=$(sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 536 dport=$(sed --unbuffered -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 537 locid=$(sed --unbuffered -n 's/.*\(loc_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 538 remid=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 539 if [ "$family" = "$AF_INET6" ] 540 then 541 saddr=$(sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt") 542 daddr=$(sed --unbuffered -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt") 543 else 544 saddr=$(sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt") 545 daddr=$(sed --unbuffered -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt") 546 fi 547 548 check_expected "type" "token" "daddr" "dport" "family" "saddr" "locid" "remid" 549} 550 551test_subflows() 552{ 553 print_title "Subflows v4 or v6 only tests" 554 555 # Capture events on the network namespace running the server 556 :>"$server_evts" 557 558 # Attempt to add a listener at 10.0.2.2:<subflow-port> 559 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ 560 "$client4_port" > /dev/null 2>&1 & 561 local listener_pid=$! 562 563 # ADD_ADDR from client to server machine reusing the subflow port 564 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 565 $client_addr_id > /dev/null 2>&1 566 sleep 0.5 567 568 # CREATE_SUBFLOW from server to client machine 569 :>"$server_evts" 570 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ 571 rport "$client4_port" token "$server4_token" > /dev/null 2>&1 572 sleep 0.5 573 verify_subflow_events $server_evts $SUB_ESTABLISHED $server4_token $AF_INET "10.0.2.1" \ 574 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" 575 576 # Delete the listener from the client ns, if one was created 577 kill_wait $listener_pid 578 579 local sport 580 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") 581 582 # DESTROY_SUBFLOW from server to client machine 583 :>"$server_evts" 584 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ 585 "$client4_port" token "$server4_token" > /dev/null 2>&1 586 sleep 0.5 587 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ 588 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" 589 590 # RM_ADDR from client to server machine 591 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 592 "$client4_token" > /dev/null 2>&1 593 sleep 0.5 594 595 # Attempt to add a listener at dead:beef:2::2:<subflow-port> 596 ip netns exec "$ns2" ./pm_nl_ctl listen dead:beef:2::2\ 597 "$client6_port" > /dev/null 2>&1 & 598 listener_pid=$! 599 600 # ADD_ADDR6 from client to server machine reusing the subflow port 601 :>"$server_evts" 602 ip netns exec "$ns2" ./pm_nl_ctl ann dead:beef:2::2 token "$client6_token" id\ 603 $client_addr_id > /dev/null 2>&1 604 sleep 0.5 605 606 # CREATE_SUBFLOW6 from server to client machine 607 :>"$server_evts" 608 ip netns exec "$ns1" ./pm_nl_ctl csf lip dead:beef:2::1 lid 23 rip\ 609 dead:beef:2::2 rport "$client6_port" token "$server6_token" > /dev/null 2>&1 610 sleep 0.5 611 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server6_token" "$AF_INET6"\ 612 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ 613 "$client_addr_id" "ns1" "ns2" 614 615 # Delete the listener from the client ns, if one was created 616 kill_wait $listener_pid 617 618 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") 619 620 # DESTROY_SUBFLOW6 from server to client machine 621 :>"$server_evts" 622 ip netns exec "$ns1" ./pm_nl_ctl dsf lip dead:beef:2::1 lport "$sport" rip\ 623 dead:beef:2::2 rport "$client6_port" token "$server6_token" > /dev/null 2>&1 624 sleep 0.5 625 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server6_token" "$AF_INET6"\ 626 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ 627 "$client_addr_id" "ns1" "ns2" 628 629 # RM_ADDR from client to server machine 630 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 631 "$client6_token" > /dev/null 2>&1 632 sleep 0.5 633 634 # Attempt to add a listener at 10.0.2.2:<new-port> 635 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ 636 $new4_port > /dev/null 2>&1 & 637 listener_pid=$! 638 639 # ADD_ADDR from client to server machine using a new port 640 :>"$server_evts" 641 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 642 $client_addr_id port $new4_port > /dev/null 2>&1 643 sleep 0.5 644 645 # CREATE_SUBFLOW from server to client machine 646 :>"$server_evts" 647 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2 rport\ 648 $new4_port token "$server4_token" > /dev/null 2>&1 649 sleep 0.5 650 verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET"\ 651 "10.0.2.1" "10.0.2.2" "$new4_port" "23"\ 652 "$client_addr_id" "ns1" "ns2" 653 654 # Delete the listener from the client ns, if one was created 655 kill_wait $listener_pid 656 657 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") 658 659 # DESTROY_SUBFLOW from server to client machine 660 :>"$server_evts" 661 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ 662 $new4_port token "$server4_token" > /dev/null 2>&1 663 sleep 0.5 664 verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ 665 "10.0.2.2" "$new4_port" "23" "$client_addr_id" "ns1" "ns2" 666 667 # RM_ADDR from client to server machine 668 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 669 "$client4_token" > /dev/null 2>&1 670 671 # Capture events on the network namespace running the client 672 :>"$client_evts" 673 674 # Attempt to add a listener at 10.0.2.1:<subflow-port> 675 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 676 $app4_port > /dev/null 2>&1 & 677 listener_pid=$! 678 679 # ADD_ADDR from server to client machine reusing the subflow port 680 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 681 $server_addr_id > /dev/null 2>&1 682 sleep 0.5 683 684 # CREATE_SUBFLOW from client to server machine 685 :>"$client_evts" 686 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 687 $app4_port token "$client4_token" > /dev/null 2>&1 688 sleep 0.5 689 verify_subflow_events $client_evts $SUB_ESTABLISHED $client4_token $AF_INET "10.0.2.2"\ 690 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" 691 692 # Delete the listener from the server ns, if one was created 693 kill_wait $listener_pid 694 695 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") 696 697 # DESTROY_SUBFLOW from client to server machine 698 :>"$client_evts" 699 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 700 $app4_port token "$client4_token" > /dev/null 2>&1 701 sleep 0.5 702 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ 703 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" 704 705 # RM_ADDR from server to client machine 706 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 707 "$server4_token" > /dev/null 2>&1 708 sleep 0.5 709 710 # Attempt to add a listener at dead:beef:2::1:<subflow-port> 711 ip netns exec "$ns1" ./pm_nl_ctl listen dead:beef:2::1\ 712 $app6_port > /dev/null 2>&1 & 713 listener_pid=$! 714 715 # ADD_ADDR6 from server to client machine reusing the subflow port 716 :>"$client_evts" 717 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ 718 $server_addr_id > /dev/null 2>&1 719 sleep 0.5 720 721 # CREATE_SUBFLOW6 from client to server machine 722 :>"$client_evts" 723 ip netns exec "$ns2" ./pm_nl_ctl csf lip dead:beef:2::2 lid 23 rip\ 724 dead:beef:2::1 rport $app6_port token "$client6_token" > /dev/null 2>&1 725 sleep 0.5 726 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\ 727 "$AF_INET6" "dead:beef:2::2"\ 728 "dead:beef:2::1" "$app6_port" "23"\ 729 "$server_addr_id" "ns2" "ns1" 730 731 # Delete the listener from the server ns, if one was created 732 kill_wait $listener_pid 733 734 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") 735 736 # DESTROY_SUBFLOW6 from client to server machine 737 :>"$client_evts" 738 ip netns exec "$ns2" ./pm_nl_ctl dsf lip dead:beef:2::2 lport "$sport" rip\ 739 dead:beef:2::1 rport $app6_port token "$client6_token" > /dev/null 2>&1 740 sleep 0.5 741 verify_subflow_events $client_evts $SUB_CLOSED $client6_token $AF_INET6 "dead:beef:2::2"\ 742 "dead:beef:2::1" "$app6_port" "23" "$server_addr_id" "ns2" "ns1" 743 744 # RM_ADDR6 from server to client machine 745 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 746 "$server6_token" > /dev/null 2>&1 747 sleep 0.5 748 749 # Attempt to add a listener at 10.0.2.1:<new-port> 750 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 751 $new4_port > /dev/null 2>&1 & 752 listener_pid=$! 753 754 # ADD_ADDR from server to client machine using a new port 755 :>"$client_evts" 756 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 757 $server_addr_id port $new4_port > /dev/null 2>&1 758 sleep 0.5 759 760 # CREATE_SUBFLOW from client to server machine 761 :>"$client_evts" 762 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 763 $new4_port token "$client4_token" > /dev/null 2>&1 764 sleep 0.5 765 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET"\ 766 "10.0.2.2" "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" 767 768 # Delete the listener from the server ns, if one was created 769 kill_wait $listener_pid 770 771 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") 772 773 # DESTROY_SUBFLOW from client to server machine 774 :>"$client_evts" 775 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 776 $new4_port token "$client4_token" > /dev/null 2>&1 777 sleep 0.5 778 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ 779 "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" 780 781 # RM_ADDR from server to client machine 782 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 783 "$server4_token" > /dev/null 2>&1 784} 785 786test_subflows_v4_v6_mix() 787{ 788 print_title "Subflows v4 and v6 mix tests" 789 790 # Attempt to add a listener at 10.0.2.1:<subflow-port> 791 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 792 $app6_port > /dev/null 2>&1 & 793 local listener_pid=$! 794 795 # ADD_ADDR4 from server to client machine reusing the subflow port on 796 # the established v6 connection 797 :>"$client_evts" 798 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server6_token" id\ 799 $server_addr_id dev ns1eth2 > /dev/null 2>&1 800 stdbuf -o0 -e0 printf "ADD_ADDR4 id:%d 10.0.2.1 (ns1) => ns2, reuse port\t\t" $server_addr_id 801 sleep 0.5 802 verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "10.0.2.1"\ 803 "$server_addr_id" "$app6_port" 804 805 # CREATE_SUBFLOW from client to server machine 806 :>"$client_evts" 807 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 808 $app6_port token "$client6_token" > /dev/null 2>&1 809 sleep 0.5 810 verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\ 811 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\ 812 "$server_addr_id" "ns2" "ns1" 813 814 # Delete the listener from the server ns, if one was created 815 kill_wait $listener_pid 816 817 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") 818 819 # DESTROY_SUBFLOW from client to server machine 820 :>"$client_evts" 821 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 822 $app6_port token "$client6_token" > /dev/null 2>&1 823 sleep 0.5 824 verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client6_token" \ 825 "$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\ 826 "$server_addr_id" "ns2" "ns1" 827 828 # RM_ADDR from server to client machine 829 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 830 "$server6_token" > /dev/null 2>&1 831 sleep 0.5 832} 833 834test_prio() 835{ 836 print_title "Prio tests" 837 838 local count 839 840 # Send MP_PRIO signal from client to server machine 841 ip netns exec "$ns2" ./pm_nl_ctl set 10.0.1.2 port "$client4_port" flags backup token "$client4_token" rip 10.0.1.1 rport "$server4_port" 842 sleep 0.5 843 844 # Check TX 845 stdbuf -o0 -e0 printf "MP_PRIO TX \t" 846 count=$(ip netns exec "$ns2" nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}') 847 [ -z "$count" ] && count=0 848 if [ $count != 1 ]; then 849 stdbuf -o0 -e0 printf "[FAIL]\n\tCount != 1: %d\n" "${count}" 850 exit 1 851 else 852 stdbuf -o0 -e0 printf "[OK]\n" 853 fi 854 855 # Check RX 856 stdbuf -o0 -e0 printf "MP_PRIO RX \t" 857 count=$(ip netns exec "$ns1" nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}') 858 [ -z "$count" ] && count=0 859 if [ $count != 1 ]; then 860 stdbuf -o0 -e0 printf "[FAIL]\n\tCount != 1: %d\n" "${count}" 861 exit 1 862 else 863 stdbuf -o0 -e0 printf "[OK]\n" 864 fi 865} 866 867verify_listener_events() 868{ 869 local evt=$1 870 local e_type=$2 871 local e_family=$3 872 local e_saddr=$4 873 local e_sport=$5 874 local type 875 local family 876 local saddr 877 local sport 878 879 if [ $e_type = $LISTENER_CREATED ]; then 880 stdbuf -o0 -e0 printf "CREATE_LISTENER %s:%s\t\t\t\t\t"\ 881 $e_saddr $e_sport 882 elif [ $e_type = $LISTENER_CLOSED ]; then 883 stdbuf -o0 -e0 printf "CLOSE_LISTENER %s:%s\t\t\t\t\t"\ 884 $e_saddr $e_sport 885 fi 886 887 type=$(grep "type:$e_type," $evt | 888 sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q') 889 family=$(grep "type:$e_type," $evt | 890 sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q') 891 sport=$(grep "type:$e_type," $evt | 892 sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q') 893 if [ $family ] && [ $family = $AF_INET6 ]; then 894 saddr=$(grep "type:$e_type," $evt | 895 sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q') 896 else 897 saddr=$(grep "type:$e_type," $evt | 898 sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q') 899 fi 900 901 check_expected "type" "family" "saddr" "sport" 902} 903 904test_listener() 905{ 906 print_title "Listener tests" 907 908 # Capture events on the network namespace running the client 909 :>$client_evts 910 911 # Attempt to add a listener at 10.0.2.2:<subflow-port> 912 ip netns exec $ns2 ./pm_nl_ctl listen 10.0.2.2\ 913 $client4_port > /dev/null 2>&1 & 914 local listener_pid=$! 915 916 verify_listener_events $client_evts $LISTENER_CREATED $AF_INET 10.0.2.2 $client4_port 917 918 # ADD_ADDR from client to server machine reusing the subflow port 919 ip netns exec $ns2 ./pm_nl_ctl ann 10.0.2.2 token $client4_token id\ 920 $client_addr_id > /dev/null 2>&1 921 sleep 0.5 922 923 # CREATE_SUBFLOW from server to client machine 924 ip netns exec $ns1 ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ 925 rport $client4_port token $server4_token > /dev/null 2>&1 926 sleep 0.5 927 928 # Delete the listener from the client ns, if one was created 929 kill_wait $listener_pid 930 931 verify_listener_events $client_evts $LISTENER_CLOSED $AF_INET 10.0.2.2 $client4_port 932} 933 934print_title "Make connections" 935make_connection 936make_connection "v6" 937 938test_announce 939test_remove 940test_subflows 941test_subflows_v4_v6_mix 942test_prio 943test_listener 944 945exit 0 946