362 lines
7.1 KiB
Bash
Executable File
362 lines
7.1 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Double quotes to prevent globbing and word splitting is recommended in new
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# code but we accept it, especially because there were too many before having
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# address all other issues detected by shellcheck.
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#shellcheck disable=SC2086
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. "$(dirname "${0}")/mptcp_lib.sh"
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ret=0
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sin=""
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sout=""
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cin=""
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cout=""
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timeout_poll=30
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timeout_test=$((timeout_poll * 2 + 1))
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iptables="iptables"
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ip6tables="ip6tables"
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ns1=""
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ns2=""
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ns_sbox=""
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usage() {
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echo "Usage: $0 [ -i ] [ -h ]"
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echo -e "\t-i: use 'ip mptcp' instead of 'pm_nl_ctl'"
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echo -e "\t-h: help"
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}
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while getopts "hi" option;do
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case "$option" in
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"h")
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usage "$0"
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exit ${KSFT_PASS}
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;;
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"i")
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mptcp_lib_set_ip_mptcp
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;;
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"?")
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usage "$0"
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exit ${KSFT_FAIL}
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;;
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esac
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done
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add_mark_rules()
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{
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local ns=$1
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local m=$2
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local t
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for t in ${iptables} ${ip6tables}; do
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# just to debug: check we have multiple subflows connection requests
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ip netns exec $ns $t -A OUTPUT -p tcp --syn -m mark --mark $m -j ACCEPT
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# RST packets might be handled by a internal dummy socket
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ip netns exec $ns $t -A OUTPUT -p tcp --tcp-flags RST RST -m mark --mark 0 -j ACCEPT
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ip netns exec $ns $t -A OUTPUT -p tcp -m mark --mark $m -j ACCEPT
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ip netns exec $ns $t -A OUTPUT -p tcp -m mark --mark 0 -j DROP
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done
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}
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init()
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{
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mptcp_lib_ns_init ns1 ns2 ns_sbox
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local i
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for i in $(seq 1 4); do
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ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2"
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ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i
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ip -net "$ns1" addr add dead:beef:$i::1/64 dev ns1eth$i nodad
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ip -net "$ns1" link set ns1eth$i up
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ip -net "$ns2" addr add 10.0.$i.2/24 dev ns2eth$i
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ip -net "$ns2" addr add dead:beef:$i::2/64 dev ns2eth$i nodad
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ip -net "$ns2" link set ns2eth$i up
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# let $ns2 reach any $ns1 address from any interface
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ip -net "$ns2" route add default via 10.0.$i.1 dev ns2eth$i metric 10$i
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mptcp_lib_pm_nl_add_endpoint "${ns1}" "10.0.${i}.1" flags signal
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mptcp_lib_pm_nl_add_endpoint "${ns1}" "dead:beef:${i}::1" flags signal
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mptcp_lib_pm_nl_add_endpoint "${ns2}" "10.0.${i}.2" flags signal
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mptcp_lib_pm_nl_add_endpoint "${ns2}" "dead:beef:${i}::2" flags signal
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done
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mptcp_lib_pm_nl_set_limits "${ns1}" 8 8
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mptcp_lib_pm_nl_set_limits "${ns2}" 8 8
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add_mark_rules $ns1 1
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add_mark_rules $ns2 2
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}
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# This function is used in the cleanup trap
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#shellcheck disable=SC2317
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cleanup()
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{
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mptcp_lib_ns_exit "${ns1}" "${ns2}" "${ns_sbox}"
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rm -f "$cin" "$cout"
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rm -f "$sin" "$sout"
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}
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mptcp_lib_check_mptcp
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mptcp_lib_check_kallsyms
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mptcp_lib_check_tools ip "${iptables}" "${ip6tables}"
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check_mark()
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{
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local ns=$1
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local af=$2
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local tables=${iptables}
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if [ $af -eq 6 ];then
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tables=${ip6tables}
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fi
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local counters values
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counters=$(ip netns exec $ns $tables -v -L OUTPUT | grep DROP)
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values=${counters%DROP*}
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local v
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for v in $values; do
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if [ $v -ne 0 ]; then
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mptcp_lib_pr_fail "got $tables $values in ns $ns," \
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"not 0 - not all expected packets marked"
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ret=${KSFT_FAIL}
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return 1
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fi
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done
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return 0
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}
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print_title()
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{
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mptcp_lib_print_title "${@}"
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}
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do_transfer()
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{
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local listener_ns="$1"
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local connector_ns="$2"
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local cl_proto="$3"
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local srv_proto="$4"
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local connect_addr="$5"
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local port=12001
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:> "$cout"
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:> "$sout"
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local mptcp_connect="./mptcp_connect -r 20"
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local local_addr ip
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if mptcp_lib_is_v6 "${connect_addr}"; then
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local_addr="::"
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ip=ipv6
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else
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local_addr="0.0.0.0"
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ip=ipv4
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fi
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cmsg="TIMESTAMPNS"
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if mptcp_lib_kallsyms_has "mptcp_ioctl$"; then
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cmsg+=",TCPINQ"
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fi
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timeout ${timeout_test} \
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ip netns exec ${listener_ns} \
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$mptcp_connect -t ${timeout_poll} -l -M 1 -p $port -s ${srv_proto} -c "${cmsg}" \
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${local_addr} < "$sin" > "$sout" &
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local spid=$!
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sleep 1
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timeout ${timeout_test} \
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ip netns exec ${connector_ns} \
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$mptcp_connect -t ${timeout_poll} -M 2 -p $port -s ${cl_proto} -c "${cmsg}" \
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$connect_addr < "$cin" > "$cout" &
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local cpid=$!
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wait $cpid
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local retc=$?
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wait $spid
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local rets=$?
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print_title "Transfer ${ip:2}"
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if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
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mptcp_lib_pr_fail "client exit code $retc, server $rets"
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echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2
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ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
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echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
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ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
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mptcp_lib_result_fail "transfer ${ip}"
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ret=${KSFT_FAIL}
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return 1
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fi
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if ! mptcp_lib_check_transfer $cin $sout "file received by server"; then
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rets=1
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else
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mptcp_lib_pr_ok
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fi
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mptcp_lib_result_code "${rets}" "transfer ${ip}"
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print_title "Mark ${ip:2}"
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if [ $local_addr = "::" ];then
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check_mark $listener_ns 6 || retc=1
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check_mark $connector_ns 6 || retc=1
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else
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check_mark $listener_ns 4 || retc=1
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check_mark $connector_ns 4 || retc=1
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fi
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mptcp_lib_result_code "${retc}" "mark ${ip}"
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if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
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mptcp_lib_pr_ok
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return 0
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fi
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mptcp_lib_pr_fail
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return 1
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}
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make_file()
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{
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local name=$1
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local who=$2
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local size=$3
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mptcp_lib_make_file $name 1024 $size
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echo "Created $name (size $size KB) containing data sent by $who"
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}
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do_mptcp_sockopt_tests()
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{
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local lret=0
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if ! mptcp_lib_kallsyms_has "mptcp_diag_fill_info$"; then
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mptcp_lib_pr_skip "MPTCP sockopt not supported"
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mptcp_lib_result_skip "sockopt"
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return
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fi
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ip netns exec "$ns_sbox" ./mptcp_sockopt
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lret=$?
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print_title "SOL_MPTCP sockopt v4"
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if [ $lret -ne 0 ]; then
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mptcp_lib_pr_fail
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mptcp_lib_result_fail "sockopt v4"
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ret=$lret
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return
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fi
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mptcp_lib_pr_ok
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mptcp_lib_result_pass "sockopt v4"
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ip netns exec "$ns_sbox" ./mptcp_sockopt -6
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lret=$?
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print_title "SOL_MPTCP sockopt v6"
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if [ $lret -ne 0 ]; then
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mptcp_lib_pr_fail
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mptcp_lib_result_fail "sockopt v6"
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ret=$lret
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return
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fi
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mptcp_lib_pr_ok
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mptcp_lib_result_pass "sockopt v6"
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}
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run_tests()
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{
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local listener_ns="$1"
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local connector_ns="$2"
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local connect_addr="$3"
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local lret=0
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do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr}
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lret=$?
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if [ $lret -ne 0 ]; then
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ret=$lret
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return
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fi
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}
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do_tcpinq_test()
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{
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print_title "TCP_INQ cmsg/ioctl $*"
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ip netns exec "$ns_sbox" ./mptcp_inq "$@"
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local lret=$?
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if [ $lret -ne 0 ];then
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ret=$lret
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mptcp_lib_pr_fail
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mptcp_lib_result_fail "TCP_INQ: $*"
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return $lret
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fi
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mptcp_lib_pr_ok
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mptcp_lib_result_pass "TCP_INQ: $*"
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return $lret
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}
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do_tcpinq_tests()
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{
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local lret=0
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if ! mptcp_lib_kallsyms_has "mptcp_ioctl$"; then
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mptcp_lib_pr_skip "TCP_INQ not supported"
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mptcp_lib_result_skip "TCP_INQ"
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return
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fi
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local args
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for args in "-t tcp" "-r tcp"; do
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do_tcpinq_test $args
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lret=$?
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if [ $lret -ne 0 ] ; then
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return $lret
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fi
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do_tcpinq_test -6 $args
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lret=$?
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if [ $lret -ne 0 ] ; then
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return $lret
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fi
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done
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do_tcpinq_test -r tcp -t tcp
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return $?
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}
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sin=$(mktemp)
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sout=$(mktemp)
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cin=$(mktemp)
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cout=$(mktemp)
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init
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make_file "$cin" "client" 1
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make_file "$sin" "server" 1
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trap cleanup EXIT
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mptcp_lib_subtests_last_ts_reset
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run_tests $ns1 $ns2 10.0.1.1
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run_tests $ns1 $ns2 dead:beef:1::1
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do_mptcp_sockopt_tests
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do_tcpinq_tests
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mptcp_lib_result_print_all_tap
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exit $ret
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