diff options
Diffstat (limited to 'tools/testing/selftests/net/fcnal-test.sh')
| -rwxr-xr-x | tools/testing/selftests/net/fcnal-test.sh | 4258 |
1 files changed, 4258 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh new file mode 100755 index 000000000..ee6880ac3 --- /dev/null +++ b/tools/testing/selftests/net/fcnal-test.sh @@ -0,0 +1,4258 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Copyright (c) 2019 David Ahern <dsahern@gmail.com>. All rights reserved. +# +# IPv4 and IPv6 functional tests focusing on VRF and routing lookups +# for various permutations: +# 1. icmp, tcp, udp and netfilter +# 2. client, server, no-server +# 3. global address on interface +# 4. global address on 'lo' +# 5. remote and local traffic +# 6. VRF and non-VRF permutations +# +# Setup: +# ns-A | ns-B +# No VRF case: +# [ lo ] [ eth1 ]---|---[ eth1 ] [ lo ] +# remote address +# VRF case: +# [ red ]---[ eth1 ]---|---[ eth1 ] [ lo ] +# +# ns-A: +# eth1: 172.16.1.1/24, 2001:db8:1::1/64 +# lo: 127.0.0.1/8, ::1/128 +# 172.16.2.1/32, 2001:db8:2::1/128 +# red: 127.0.0.1/8, ::1/128 +# 172.16.3.1/32, 2001:db8:3::1/128 +# +# ns-B: +# eth1: 172.16.1.2/24, 2001:db8:1::2/64 +# lo2: 127.0.0.1/8, ::1/128 +# 172.16.2.2/32, 2001:db8:2::2/128 +# +# ns-A to ns-C connection - only for VRF and same config +# as ns-A to ns-B +# +# server / client nomenclature relative to ns-A + +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +VERBOSE=0 + +NSA_DEV=eth1 +NSA_DEV2=eth2 +NSB_DEV=eth1 +NSC_DEV=eth2 +VRF=red +VRF_TABLE=1101 + +# IPv4 config +NSA_IP=172.16.1.1 +NSB_IP=172.16.1.2 +VRF_IP=172.16.3.1 +NS_NET=172.16.1.0/24 + +# IPv6 config +NSA_IP6=2001:db8:1::1 +NSB_IP6=2001:db8:1::2 +VRF_IP6=2001:db8:3::1 +NS_NET6=2001:db8:1::/120 + +NSA_LO_IP=172.16.2.1 +NSB_LO_IP=172.16.2.2 +NSA_LO_IP6=2001:db8:2::1 +NSB_LO_IP6=2001:db8:2::2 + +# non-local addresses for freebind tests +NL_IP=172.17.1.1 +NL_IP6=2001:db8:4::1 + +# multicast and broadcast addresses +MCAST_IP=224.0.0.1 +BCAST_IP=255.255.255.255 + +MD5_PW=abc123 +MD5_WRONG_PW=abc1234 + +MCAST=ff02::1 +# set after namespace create +NSA_LINKIP6= +NSB_LINKIP6= + +NSA=ns-A +NSB=ns-B +NSC=ns-C + +NSA_CMD="ip netns exec ${NSA}" +NSB_CMD="ip netns exec ${NSB}" +NSC_CMD="ip netns exec ${NSC}" + +which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping) + +# Check if FIPS mode is enabled +if [ -f /proc/sys/crypto/fips_enabled ]; then + fips_enabled=`cat /proc/sys/crypto/fips_enabled` +else + fips_enabled=0 +fi + +################################################################################ +# utilities + +log_test() +{ + local rc=$1 + local expected=$2 + local msg="$3" + + [ "${VERBOSE}" = "1" ] && echo + + if [ ${rc} -eq ${expected} ]; then + nsuccess=$((nsuccess+1)) + printf "TEST: %-70s [ OK ]\n" "${msg}" + else + nfail=$((nfail+1)) + printf "TEST: %-70s [FAIL]\n" "${msg}" + if [ "${PAUSE_ON_FAIL}" = "yes" ]; then + echo + echo "hit enter to continue, 'q' to quit" + read a + [ "$a" = "q" ] && exit 1 + fi + fi + + if [ "${PAUSE}" = "yes" ]; then + echo + echo "hit enter to continue, 'q' to quit" + read a + [ "$a" = "q" ] && exit 1 + fi + + kill_procs +} + +log_test_addr() +{ + local addr=$1 + local rc=$2 + local expected=$3 + local msg="$4" + local astr + + astr=$(addr2str ${addr}) + log_test $rc $expected "$msg - ${astr}" +} + +log_section() +{ + echo + echo "###########################################################################" + echo "$*" + echo "###########################################################################" + echo +} + +log_subsection() +{ + echo + echo "#################################################################" + echo "$*" + echo +} + +log_start() +{ + # make sure we have no test instances running + kill_procs + + if [ "${VERBOSE}" = "1" ]; then + echo + echo "#######################################################" + fi +} + +log_debug() +{ + if [ "${VERBOSE}" = "1" ]; then + echo + echo "$*" + echo + fi +} + +show_hint() +{ + if [ "${VERBOSE}" = "1" ]; then + echo "HINT: $*" + echo + fi +} + +kill_procs() +{ + killall nettest ping ping6 >/dev/null 2>&1 + sleep 1 +} + +do_run_cmd() +{ + local cmd="$*" + local out + + if [ "$VERBOSE" = "1" ]; then + echo "COMMAND: ${cmd}" + fi + + out=$($cmd 2>&1) + rc=$? + if [ "$VERBOSE" = "1" -a -n "$out" ]; then + echo "$out" + fi + + return $rc +} + +run_cmd() +{ + do_run_cmd ${NSA_CMD} $* +} + +run_cmd_nsb() +{ + do_run_cmd ${NSB_CMD} $* +} + +run_cmd_nsc() +{ + do_run_cmd ${NSC_CMD} $* +} + +setup_cmd() +{ + local cmd="$*" + local rc + + run_cmd ${cmd} + rc=$? + if [ $rc -ne 0 ]; then + # show user the command if not done so already + if [ "$VERBOSE" = "0" ]; then + echo "setup command: $cmd" + fi + echo "failed. stopping tests" + if [ "${PAUSE_ON_FAIL}" = "yes" ]; then + echo + echo "hit enter to continue" + read a + fi + exit $rc + fi +} + +setup_cmd_nsb() +{ + local cmd="$*" + local rc + + run_cmd_nsb ${cmd} + rc=$? + if [ $rc -ne 0 ]; then + # show user the command if not done so already + if [ "$VERBOSE" = "0" ]; then + echo "setup command: $cmd" + fi + echo "failed. stopping tests" + if [ "${PAUSE_ON_FAIL}" = "yes" ]; then + echo + echo "hit enter to continue" + read a + fi + exit $rc + fi +} + +setup_cmd_nsc() +{ + local cmd="$*" + local rc + + run_cmd_nsc ${cmd} + rc=$? + if [ $rc -ne 0 ]; then + # show user the command if not done so already + if [ "$VERBOSE" = "0" ]; then + echo "setup command: $cmd" + fi + echo "failed. stopping tests" + if [ "${PAUSE_ON_FAIL}" = "yes" ]; then + echo + echo "hit enter to continue" + read a + fi + exit $rc + fi +} + +# set sysctl values in NS-A +set_sysctl() +{ + echo "SYSCTL: $*" + echo + run_cmd sysctl -q -w $* +} + +# get sysctl values in NS-A +get_sysctl() +{ + ${NSA_CMD} sysctl -n $* +} + +################################################################################ +# Setup for tests + +addr2str() +{ + case "$1" in + 127.0.0.1) echo "loopback";; + ::1) echo "IPv6 loopback";; + + ${BCAST_IP}) echo "broadcast";; + ${MCAST_IP}) echo "multicast";; + + ${NSA_IP}) echo "ns-A IP";; + ${NSA_IP6}) echo "ns-A IPv6";; + ${NSA_LO_IP}) echo "ns-A loopback IP";; + ${NSA_LO_IP6}) echo "ns-A loopback IPv6";; + ${NSA_LINKIP6}|${NSA_LINKIP6}%*) echo "ns-A IPv6 LLA";; + + ${NSB_IP}) echo "ns-B IP";; + ${NSB_IP6}) echo "ns-B IPv6";; + ${NSB_LO_IP}) echo "ns-B loopback IP";; + ${NSB_LO_IP6}) echo "ns-B loopback IPv6";; + ${NSB_LINKIP6}|${NSB_LINKIP6}%*) echo "ns-B IPv6 LLA";; + + ${NL_IP}) echo "nonlocal IP";; + ${NL_IP6}) echo "nonlocal IPv6";; + + ${VRF_IP}) echo "VRF IP";; + ${VRF_IP6}) echo "VRF IPv6";; + + ${MCAST}%*) echo "multicast IP";; + + *) echo "unknown";; + esac +} + +get_linklocal() +{ + local ns=$1 + local dev=$2 + local addr + + addr=$(ip -netns ${ns} -6 -br addr show dev ${dev} | \ + awk '{ + for (i = 3; i <= NF; ++i) { + if ($i ~ /^fe80/) + print $i + } + }' + ) + addr=${addr/\/*} + + [ -z "$addr" ] && return 1 + + echo $addr + + return 0 +} + +################################################################################ +# create namespaces and vrf + +create_vrf() +{ + local ns=$1 + local vrf=$2 + local table=$3 + local addr=$4 + local addr6=$5 + + ip -netns ${ns} link add ${vrf} type vrf table ${table} + ip -netns ${ns} link set ${vrf} up + ip -netns ${ns} route add vrf ${vrf} unreachable default metric 8192 + ip -netns ${ns} -6 route add vrf ${vrf} unreachable default metric 8192 + + ip -netns ${ns} addr add 127.0.0.1/8 dev ${vrf} + ip -netns ${ns} -6 addr add ::1 dev ${vrf} nodad + if [ "${addr}" != "-" ]; then + ip -netns ${ns} addr add dev ${vrf} ${addr} + fi + if [ "${addr6}" != "-" ]; then + ip -netns ${ns} -6 addr add dev ${vrf} ${addr6} + fi + + ip -netns ${ns} ru del pref 0 + ip -netns ${ns} ru add pref 32765 from all lookup local + ip -netns ${ns} -6 ru del pref 0 + ip -netns ${ns} -6 ru add pref 32765 from all lookup local +} + +create_ns() +{ + local ns=$1 + local addr=$2 + local addr6=$3 + + ip netns add ${ns} + + ip -netns ${ns} link set lo up + if [ "${addr}" != "-" ]; then + ip -netns ${ns} addr add dev lo ${addr} + fi + if [ "${addr6}" != "-" ]; then + ip -netns ${ns} -6 addr add dev lo ${addr6} + fi + + ip -netns ${ns} ro add unreachable default metric 8192 + ip -netns ${ns} -6 ro add unreachable default metric 8192 + + ip netns exec ${ns} sysctl -qw net.ipv4.ip_forward=1 + ip netns exec ${ns} sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1 + ip netns exec ${ns} sysctl -qw net.ipv6.conf.all.forwarding=1 + ip netns exec ${ns} sysctl -qw net.ipv6.conf.default.forwarding=1 +} + +# create veth pair to connect namespaces and apply addresses. +connect_ns() +{ + local ns1=$1 + local ns1_dev=$2 + local ns1_addr=$3 + local ns1_addr6=$4 + local ns2=$5 + local ns2_dev=$6 + local ns2_addr=$7 + local ns2_addr6=$8 + + ip -netns ${ns1} li add ${ns1_dev} type veth peer name tmp + ip -netns ${ns1} li set ${ns1_dev} up + ip -netns ${ns1} li set tmp netns ${ns2} name ${ns2_dev} + ip -netns ${ns2} li set ${ns2_dev} up + + if [ "${ns1_addr}" != "-" ]; then + ip -netns ${ns1} addr add dev ${ns1_dev} ${ns1_addr} + ip -netns ${ns2} addr add dev ${ns2_dev} ${ns2_addr} + fi + + if [ "${ns1_addr6}" != "-" ]; then + ip -netns ${ns1} addr add dev ${ns1_dev} ${ns1_addr6} + ip -netns ${ns2} addr add dev ${ns2_dev} ${ns2_addr6} + fi +} + +cleanup() +{ + # explicit cleanups to check those code paths + ip netns | grep -q ${NSA} + if [ $? -eq 0 ]; then + ip -netns ${NSA} link delete ${VRF} + ip -netns ${NSA} ro flush table ${VRF_TABLE} + + ip -netns ${NSA} addr flush dev ${NSA_DEV} + ip -netns ${NSA} -6 addr flush dev ${NSA_DEV} + ip -netns ${NSA} link set dev ${NSA_DEV} down + ip -netns ${NSA} link del dev ${NSA_DEV} + + ip netns pids ${NSA} | xargs kill 2>/dev/null + ip netns del ${NSA} + fi + + ip netns pids ${NSB} | xargs kill 2>/dev/null + ip netns del ${NSB} + ip netns pids ${NSC} | xargs kill 2>/dev/null + ip netns del ${NSC} >/dev/null 2>&1 +} + +cleanup_vrf_dup() +{ + ip link del ${NSA_DEV2} >/dev/null 2>&1 + ip netns pids ${NSC} | xargs kill 2>/dev/null + ip netns del ${NSC} >/dev/null 2>&1 +} + +setup_vrf_dup() +{ + # some VRF tests use ns-C which has the same config as + # ns-B but for a device NOT in the VRF + create_ns ${NSC} "-" "-" + connect_ns ${NSA} ${NSA_DEV2} ${NSA_IP}/24 ${NSA_IP6}/64 \ + ${NSC} ${NSC_DEV} ${NSB_IP}/24 ${NSB_IP6}/64 +} + +setup() +{ + local with_vrf=${1} + + # make sure we are starting with a clean slate + kill_procs + cleanup 2>/dev/null + + log_debug "Configuring network namespaces" + set -e + + create_ns ${NSA} ${NSA_LO_IP}/32 ${NSA_LO_IP6}/128 + create_ns ${NSB} ${NSB_LO_IP}/32 ${NSB_LO_IP6}/128 + connect_ns ${NSA} ${NSA_DEV} ${NSA_IP}/24 ${NSA_IP6}/64 \ + ${NSB} ${NSB_DEV} ${NSB_IP}/24 ${NSB_IP6}/64 + + NSA_LINKIP6=$(get_linklocal ${NSA} ${NSA_DEV}) + NSB_LINKIP6=$(get_linklocal ${NSB} ${NSB_DEV}) + + # tell ns-A how to get to remote addresses of ns-B + if [ "${with_vrf}" = "yes" ]; then + create_vrf ${NSA} ${VRF} ${VRF_TABLE} ${VRF_IP} ${VRF_IP6} + + ip -netns ${NSA} link set dev ${NSA_DEV} vrf ${VRF} + ip -netns ${NSA} ro add vrf ${VRF} ${NSB_LO_IP}/32 via ${NSB_IP} dev ${NSA_DEV} + ip -netns ${NSA} -6 ro add vrf ${VRF} ${NSB_LO_IP6}/128 via ${NSB_IP6} dev ${NSA_DEV} + + ip -netns ${NSB} ro add ${VRF_IP}/32 via ${NSA_IP} dev ${NSB_DEV} + ip -netns ${NSB} -6 ro add ${VRF_IP6}/128 via ${NSA_IP6} dev ${NSB_DEV} + else + ip -netns ${NSA} ro add ${NSB_LO_IP}/32 via ${NSB_IP} dev ${NSA_DEV} + ip -netns ${NSA} ro add ${NSB_LO_IP6}/128 via ${NSB_IP6} dev ${NSA_DEV} + fi + + + # tell ns-B how to get to remote addresses of ns-A + ip -netns ${NSB} ro add ${NSA_LO_IP}/32 via ${NSA_IP} dev ${NSB_DEV} + ip -netns ${NSB} ro add ${NSA_LO_IP6}/128 via ${NSA_IP6} dev ${NSB_DEV} + + set +e + + sleep 1 +} + +setup_lla_only() +{ + # make sure we are starting with a clean slate + kill_procs + cleanup 2>/dev/null + + log_debug "Configuring network namespaces" + set -e + + create_ns ${NSA} "-" "-" + create_ns ${NSB} "-" "-" + create_ns ${NSC} "-" "-" + connect_ns ${NSA} ${NSA_DEV} "-" "-" \ + ${NSB} ${NSB_DEV} "-" "-" + connect_ns ${NSA} ${NSA_DEV2} "-" "-" \ + ${NSC} ${NSC_DEV} "-" "-" + + NSA_LINKIP6=$(get_linklocal ${NSA} ${NSA_DEV}) + NSB_LINKIP6=$(get_linklocal ${NSB} ${NSB_DEV}) + NSC_LINKIP6=$(get_linklocal ${NSC} ${NSC_DEV}) + + create_vrf ${NSA} ${VRF} ${VRF_TABLE} "-" "-" + ip -netns ${NSA} link set dev ${NSA_DEV} vrf ${VRF} + ip -netns ${NSA} link set dev ${NSA_DEV2} vrf ${VRF} + + set +e + + sleep 1 +} + +################################################################################ +# IPv4 + +ipv4_ping_novrf() +{ + local a + + # + # out + # + for a in ${NSB_IP} ${NSB_LO_IP} + do + log_start + run_cmd ping -c1 -w1 ${a} + log_test_addr ${a} $? 0 "ping out" + + log_start + run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 0 "ping out, device bind" + + log_start + run_cmd ping -c1 -w1 -I ${NSA_LO_IP} ${a} + log_test_addr ${a} $? 0 "ping out, address bind" + done + + # + # in + # + for a in ${NSA_IP} ${NSA_LO_IP} + do + log_start + run_cmd_nsb ping -c1 -w1 ${a} + log_test_addr ${a} $? 0 "ping in" + done + + # + # local traffic + # + for a in ${NSA_IP} ${NSA_LO_IP} 127.0.0.1 + do + log_start + run_cmd ping -c1 -w1 ${a} + log_test_addr ${a} $? 0 "ping local" + done + + # + # local traffic, socket bound to device + # + # address on device + a=${NSA_IP} + log_start + run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 0 "ping local, device bind" + + # loopback addresses not reachable from device bind + # fails in a really weird way though because ipv4 special cases + # route lookups with oif set. + for a in ${NSA_LO_IP} 127.0.0.1 + do + log_start + show_hint "Fails since address on loopback device is out of device scope" + run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 1 "ping local, device bind" + done + + # + # ip rule blocks reachability to remote address + # + log_start + setup_cmd ip rule add pref 32765 from all lookup local + setup_cmd ip rule del pref 0 from all lookup local + setup_cmd ip rule add pref 50 to ${NSB_LO_IP} prohibit + setup_cmd ip rule add pref 51 from ${NSB_IP} prohibit + + a=${NSB_LO_IP} + run_cmd ping -c1 -w1 ${a} + log_test_addr ${a} $? 2 "ping out, blocked by rule" + + # NOTE: ipv4 actually allows the lookup to fail and yet still create + # a viable rtable if the oif (e.g., bind to device) is set, so this + # case succeeds despite the rule + # run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} + + a=${NSA_LO_IP} + log_start + show_hint "Response generates ICMP (or arp request is ignored) due to ip rule" + run_cmd_nsb ping -c1 -w1 ${a} + log_test_addr ${a} $? 1 "ping in, blocked by rule" + + [ "$VERBOSE" = "1" ] && echo + setup_cmd ip rule del pref 32765 from all lookup local + setup_cmd ip rule add pref 0 from all lookup local + setup_cmd ip rule del pref 50 to ${NSB_LO_IP} prohibit + setup_cmd ip rule del pref 51 from ${NSB_IP} prohibit + + # + # route blocks reachability to remote address + # + log_start + setup_cmd ip route replace unreachable ${NSB_LO_IP} + setup_cmd ip route replace unreachable ${NSB_IP} + + a=${NSB_LO_IP} + run_cmd ping -c1 -w1 ${a} + log_test_addr ${a} $? 2 "ping out, blocked by route" + + # NOTE: ipv4 actually allows the lookup to fail and yet still create + # a viable rtable if the oif (e.g., bind to device) is set, so this + # case succeeds despite not having a route for the address + # run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} + + a=${NSA_LO_IP} + log_start + show_hint "Response is dropped (or arp request is ignored) due to ip route" + run_cmd_nsb ping -c1 -w1 ${a} + log_test_addr ${a} $? 1 "ping in, blocked by route" + + # + # remove 'remote' routes; fallback to default + # + log_start + setup_cmd ip ro del ${NSB_LO_IP} + + a=${NSB_LO_IP} + run_cmd ping -c1 -w1 ${a} + log_test_addr ${a} $? 2 "ping out, unreachable default route" + + # NOTE: ipv4 actually allows the lookup to fail and yet still create + # a viable rtable if the oif (e.g., bind to device) is set, so this + # case succeeds despite not having a route for the address + # run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} +} + +ipv4_ping_vrf() +{ + local a + + # should default on; does not exist on older kernels + set_sysctl net.ipv4.raw_l3mdev_accept=1 2>/dev/null + + # + # out + # + for a in ${NSB_IP} ${NSB_LO_IP} + do + log_start + run_cmd ping -c1 -w1 -I ${VRF} ${a} + log_test_addr ${a} $? 0 "ping out, VRF bind" + + log_start + run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 0 "ping out, device bind" + + log_start + run_cmd ip vrf exec ${VRF} ping -c1 -w1 -I ${NSA_IP} ${a} + log_test_addr ${a} $? 0 "ping out, vrf device + dev address bind" + + log_start + run_cmd ip vrf exec ${VRF} ping -c1 -w1 -I ${VRF_IP} ${a} + log_test_addr ${a} $? 0 "ping out, vrf device + vrf address bind" + done + + # + # in + # + for a in ${NSA_IP} ${VRF_IP} + do + log_start + run_cmd_nsb ping -c1 -w1 ${a} + log_test_addr ${a} $? 0 "ping in" + done + + # + # local traffic, local address + # + for a in ${NSA_IP} ${VRF_IP} 127.0.0.1 + do + log_start + show_hint "Source address should be ${a}" + run_cmd ping -c1 -w1 -I ${VRF} ${a} + log_test_addr ${a} $? 0 "ping local, VRF bind" + done + + # + # local traffic, socket bound to device + # + # address on device + a=${NSA_IP} + log_start + run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 0 "ping local, device bind" + + # vrf device is out of scope + for a in ${VRF_IP} 127.0.0.1 + do + log_start + show_hint "Fails since address on vrf device is out of device scope" + run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 2 "ping local, device bind" + done + + # + # ip rule blocks address + # + log_start + setup_cmd ip rule add pref 50 to ${NSB_LO_IP} prohibit + setup_cmd ip rule add pref 51 from ${NSB_IP} prohibit + + a=${NSB_LO_IP} + run_cmd ping -c1 -w1 -I ${VRF} ${a} + log_test_addr ${a} $? 2 "ping out, vrf bind, blocked by rule" + + log_start + run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 2 "ping out, device bind, blocked by rule" + + a=${NSA_LO_IP} + log_start + show_hint "Response lost due to ip rule" + run_cmd_nsb ping -c1 -w1 ${a} + log_test_addr ${a} $? 1 "ping in, blocked by rule" + + [ "$VERBOSE" = "1" ] && echo + setup_cmd ip rule del pref 50 to ${NSB_LO_IP} prohibit + setup_cmd ip rule del pref 51 from ${NSB_IP} prohibit + + # + # remove 'remote' routes; fallback to default + # + log_start + setup_cmd ip ro del vrf ${VRF} ${NSB_LO_IP} + + a=${NSB_LO_IP} + run_cmd ping -c1 -w1 -I ${VRF} ${a} + log_test_addr ${a} $? 2 "ping out, vrf bind, unreachable route" + + log_start + run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 2 "ping out, device bind, unreachable route" + + a=${NSA_LO_IP} + log_start + show_hint "Response lost by unreachable route" + run_cmd_nsb ping -c1 -w1 ${a} + log_test_addr ${a} $? 1 "ping in, unreachable route" +} + +ipv4_ping() +{ + log_section "IPv4 ping" + + log_subsection "No VRF" + setup + set_sysctl net.ipv4.raw_l3mdev_accept=0 2>/dev/null + ipv4_ping_novrf + setup + set_sysctl net.ipv4.raw_l3mdev_accept=1 2>/dev/null + ipv4_ping_novrf + setup + set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null + ipv4_ping_novrf + + log_subsection "With VRF" + setup "yes" + ipv4_ping_vrf + setup "yes" + set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null + ipv4_ping_vrf +} + +################################################################################ +# IPv4 TCP + +# +# MD5 tests without VRF +# +ipv4_tcp_md5_novrf() +{ + # + # single address + # + + # basic use case + log_start + run_cmd nettest -s -M ${MD5_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 0 "MD5: Single address config" + + # client sends MD5, server not configured + log_start + show_hint "Should timeout due to MD5 mismatch" + run_cmd nettest -s & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 2 "MD5: Server no config, client uses password" + + # wrong password + log_start + show_hint "Should timeout since client uses wrong password" + run_cmd nettest -s -M ${MD5_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_WRONG_PW} + log_test $? 2 "MD5: Client uses wrong password" + + # client from different address + log_start + show_hint "Should timeout due to MD5 mismatch" + run_cmd nettest -s -M ${MD5_PW} -m ${NSB_LO_IP} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 2 "MD5: Client address does not match address configured with password" + + # + # MD5 extension - prefix length + # + + # client in prefix + log_start + run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 0 "MD5: Prefix config" + + # client in prefix, wrong password + log_start + show_hint "Should timeout since client uses wrong password" + run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_WRONG_PW} + log_test $? 2 "MD5: Prefix config, client uses wrong password" + + # client outside of prefix + log_start + show_hint "Should timeout due to MD5 mismatch" + run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} & + sleep 1 + run_cmd_nsb nettest -c ${NSB_LO_IP} -r ${NSA_IP} -X ${MD5_PW} + log_test $? 2 "MD5: Prefix config, client address not in configured prefix" +} + +# +# MD5 tests with VRF +# +ipv4_tcp_md5() +{ + # + # single address + # + + # basic use case + log_start + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 0 "MD5: VRF: Single address config" + + # client sends MD5, server not configured + log_start + show_hint "Should timeout since server does not have MD5 auth" + run_cmd nettest -s -I ${VRF} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 2 "MD5: VRF: Server no config, client uses password" + + # wrong password + log_start + show_hint "Should timeout since client uses wrong password" + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_WRONG_PW} + log_test $? 2 "MD5: VRF: Client uses wrong password" + + # client from different address + log_start + show_hint "Should timeout since server config differs from client" + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_LO_IP} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 2 "MD5: VRF: Client address does not match address configured with password" + + # + # MD5 extension - prefix length + # + + # client in prefix + log_start + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 0 "MD5: VRF: Prefix config" + + # client in prefix, wrong password + log_start + show_hint "Should timeout since client uses wrong password" + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_WRONG_PW} + log_test $? 2 "MD5: VRF: Prefix config, client uses wrong password" + + # client outside of prefix + log_start + show_hint "Should timeout since client address is outside of prefix" + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} & + sleep 1 + run_cmd_nsb nettest -c ${NSB_LO_IP} -r ${NSA_IP} -X ${MD5_PW} + log_test $? 2 "MD5: VRF: Prefix config, client address not in configured prefix" + + # + # duplicate config between default VRF and a VRF + # + + log_start + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP} & + run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 0 "MD5: VRF: Single address config in default VRF and VRF, conn in VRF" + + log_start + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP} & + run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsc nettest -r ${NSA_IP} -X ${MD5_WRONG_PW} + log_test $? 0 "MD5: VRF: Single address config in default VRF and VRF, conn in default VRF" + + log_start + show_hint "Should timeout since client in default VRF uses VRF password" + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP} & + run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsc nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 2 "MD5: VRF: Single address config in default VRF and VRF, conn in default VRF with VRF pw" + + log_start + show_hint "Should timeout since client in VRF uses default VRF password" + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP} & + run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NSB_IP} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_WRONG_PW} + log_test $? 2 "MD5: VRF: Single address config in default VRF and VRF, conn in VRF with default VRF pw" + + log_start + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} & + run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NS_NET} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 0 "MD5: VRF: Prefix config in default VRF and VRF, conn in VRF" + + log_start + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} & + run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NS_NET} & + sleep 1 + run_cmd_nsc nettest -r ${NSA_IP} -X ${MD5_WRONG_PW} + log_test $? 0 "MD5: VRF: Prefix config in default VRF and VRF, conn in default VRF" + + log_start + show_hint "Should timeout since client in default VRF uses VRF password" + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} & + run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NS_NET} & + sleep 1 + run_cmd_nsc nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 2 "MD5: VRF: Prefix config in default VRF and VRF, conn in default VRF with VRF pw" + + log_start + show_hint "Should timeout since client in VRF uses default VRF password" + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} & + run_cmd nettest -s -M ${MD5_WRONG_PW} -m ${NS_NET} & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_WRONG_PW} + log_test $? 2 "MD5: VRF: Prefix config in default VRF and VRF, conn in VRF with default VRF pw" + + # + # negative tests + # + log_start + run_cmd nettest -s -I ${NSA_DEV} -M ${MD5_PW} -m ${NSB_IP} + log_test $? 1 "MD5: VRF: Device must be a VRF - single address" + + log_start + run_cmd nettest -s -I ${NSA_DEV} -M ${MD5_PW} -m ${NS_NET} + log_test $? 1 "MD5: VRF: Device must be a VRF - prefix" + + test_ipv4_md5_vrf__vrf_server__no_bind_ifindex + test_ipv4_md5_vrf__global_server__bind_ifindex0 +} + +test_ipv4_md5_vrf__vrf_server__no_bind_ifindex() +{ + log_start + show_hint "Simulates applications using VRF without TCP_MD5SIG_FLAG_IFINDEX" + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} --no-bind-key-ifindex & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 0 "MD5: VRF: VRF-bound server, unbound key accepts connection" + + log_start + show_hint "Binding both the socket and the key is not required but it works" + run_cmd nettest -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET} --force-bind-key-ifindex & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 0 "MD5: VRF: VRF-bound server, bound key accepts connection" +} + +test_ipv4_md5_vrf__global_server__bind_ifindex0() +{ + # This particular test needs tcp_l3mdev_accept=1 for Global server to accept VRF connections + local old_tcp_l3mdev_accept + old_tcp_l3mdev_accept=$(get_sysctl net.ipv4.tcp_l3mdev_accept) + set_sysctl net.ipv4.tcp_l3mdev_accept=1 + + log_start + run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} --force-bind-key-ifindex & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 2 "MD5: VRF: Global server, Key bound to ifindex=0 rejects VRF connection" + + log_start + run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} --force-bind-key-ifindex & + sleep 1 + run_cmd_nsc nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 0 "MD5: VRF: Global server, key bound to ifindex=0 accepts non-VRF connection" + log_start + + run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} --no-bind-key-ifindex & + sleep 1 + run_cmd_nsb nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 0 "MD5: VRF: Global server, key not bound to ifindex accepts VRF connection" + + log_start + run_cmd nettest -s -M ${MD5_PW} -m ${NS_NET} --no-bind-key-ifindex & + sleep 1 + run_cmd_nsc nettest -r ${NSA_IP} -X ${MD5_PW} + log_test $? 0 "MD5: VRF: Global server, key not bound to ifindex accepts non-VRF connection" + + # restore value + set_sysctl net.ipv4.tcp_l3mdev_accept="$old_tcp_l3mdev_accept" +} + +ipv4_tcp_novrf() +{ + local a + + # + # server tests + # + for a in ${NSA_IP} ${NSA_LO_IP} + do + log_start + run_cmd nettest -s & + sleep 1 + run_cmd_nsb nettest -r ${a} + log_test_addr ${a} $? 0 "Global server" + done + + a=${NSA_IP} + log_start + run_cmd nettest -s -I ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -r ${a} + log_test_addr ${a} $? 0 "Device server" + + # verify TCP reset sent and received + for a in ${NSA_IP} ${NSA_LO_IP} + do + log_start + show_hint "Should fail 'Connection refused' since there is no server" + run_cmd_nsb nettest -r ${a} + log_test_addr ${a} $? 1 "No server" + done + + # + # client + # + for a in ${NSB_IP} ${NSB_LO_IP} + do + log_start + run_cmd_nsb nettest -s & + sleep 1 + run_cmd nettest -r ${a} -0 ${NSA_IP} + log_test_addr ${a} $? 0 "Client" + + log_start + run_cmd_nsb nettest -s & + sleep 1 + run_cmd nettest -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 0 "Client, device bind" + + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -r ${a} + log_test_addr ${a} $? 1 "No server, unbound client" + + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 1 "No server, device client" + done + + # + # local address tests + # + for a in ${NSA_IP} ${NSA_LO_IP} 127.0.0.1 + do + log_start + run_cmd nettest -s & + sleep 1 + run_cmd nettest -r ${a} -0 ${a} -1 ${a} + log_test_addr ${a} $? 0 "Global server, local connection" + done + + a=${NSA_IP} + log_start + run_cmd nettest -s -I ${NSA_DEV} & + sleep 1 + run_cmd nettest -r ${a} -0 ${a} + log_test_addr ${a} $? 0 "Device server, unbound client, local connection" + + for a in ${NSA_LO_IP} 127.0.0.1 + do + log_start + show_hint "Should fail 'Connection refused' since addresses on loopback are out of device scope" + run_cmd nettest -s -I ${NSA_DEV} & + sleep 1 + run_cmd nettest -r ${a} + log_test_addr ${a} $? 1 "Device server, unbound client, local connection" + done + + a=${NSA_IP} + log_start + run_cmd nettest -s & + sleep 1 + run_cmd nettest -r ${a} -0 ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 0 "Global server, device client, local connection" + + for a in ${NSA_LO_IP} 127.0.0.1 + do + log_start + show_hint "Should fail 'No route to host' since addresses on loopback are out of device scope" + run_cmd nettest -s & + sleep 1 + run_cmd nettest -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 1 "Global server, device client, local connection" + done + + a=${NSA_IP} + log_start + run_cmd nettest -s -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -d ${NSA_DEV} -r ${a} -0 ${a} + log_test_addr ${a} $? 0 "Device server, device client, local connection" + + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 1 "No server, device client, local conn" + + [ "$fips_enabled" = "1" ] || ipv4_tcp_md5_novrf +} + +ipv4_tcp_vrf() +{ + local a + + # disable global server + log_subsection "Global server disabled" + + set_sysctl net.ipv4.tcp_l3mdev_accept=0 + + # + # server tests + # + for a in ${NSA_IP} ${VRF_IP} + do + log_start + show_hint "Should fail 'Connection refused' since global server with VRF is disabled" + run_cmd nettest -s & + sleep 1 + run_cmd_nsb nettest -r ${a} + log_test_addr ${a} $? 1 "Global server" + + log_start + run_cmd nettest -s -I ${VRF} -3 ${VRF} & + sleep 1 + run_cmd_nsb nettest -r ${a} + log_test_addr ${a} $? 0 "VRF server" + + log_start + run_cmd nettest -s -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -r ${a} + log_test_addr ${a} $? 0 "Device server" + + # verify TCP reset received + log_start + show_hint "Should fail 'Connection refused' since there is no server" + run_cmd_nsb nettest -r ${a} + log_test_addr ${a} $? 1 "No server" + done + + # local address tests + # (${VRF_IP} and 127.0.0.1 both timeout) + a=${NSA_IP} + log_start + show_hint "Should fail 'Connection refused' since global server with VRF is disabled" + run_cmd nettest -s & + sleep 1 + run_cmd nettest -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 1 "Global server, local connection" + + # run MD5 tests + if [ "$fips_enabled" = "0" ]; then + setup_vrf_dup + ipv4_tcp_md5 + cleanup_vrf_dup + fi + + # + # enable VRF global server + # + log_subsection "VRF Global server enabled" + set_sysctl net.ipv4.tcp_l3mdev_accept=1 + + for a in ${NSA_IP} ${VRF_IP} + do + log_start + show_hint "client socket should be bound to VRF" + run_cmd nettest -s -3 ${VRF} & + sleep 1 + run_cmd_nsb nettest -r ${a} + log_test_addr ${a} $? 0 "Global server" + + log_start + show_hint "client socket should be bound to VRF" + run_cmd nettest -s -I ${VRF} -3 ${VRF} & + sleep 1 + run_cmd_nsb nettest -r ${a} + log_test_addr ${a} $? 0 "VRF server" + + # verify TCP reset received + log_start + show_hint "Should fail 'Connection refused'" + run_cmd_nsb nettest -r ${a} + log_test_addr ${a} $? 1 "No server" + done + + a=${NSA_IP} + log_start + show_hint "client socket should be bound to device" + run_cmd nettest -s -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -r ${a} + log_test_addr ${a} $? 0 "Device server" + + # local address tests + for a in ${NSA_IP} ${VRF_IP} + do + log_start + show_hint "Should fail 'Connection refused' since client is not bound to VRF" + run_cmd nettest -s -I ${VRF} & + sleep 1 + run_cmd nettest -r ${a} + log_test_addr ${a} $? 1 "Global server, local connection" + done + + # + # client + # + for a in ${NSB_IP} ${NSB_LO_IP} + do + log_start + run_cmd_nsb nettest -s & + sleep 1 + run_cmd nettest -r ${a} -d ${VRF} + log_test_addr ${a} $? 0 "Client, VRF bind" + + log_start + run_cmd_nsb nettest -s & + sleep 1 + run_cmd nettest -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 0 "Client, device bind" + + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -r ${a} -d ${VRF} + log_test_addr ${a} $? 1 "No server, VRF client" + + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 1 "No server, device client" + done + + for a in ${NSA_IP} ${VRF_IP} 127.0.0.1 + do + log_start + run_cmd nettest -s -I ${VRF} -3 ${VRF} & + sleep 1 + run_cmd nettest -r ${a} -d ${VRF} -0 ${a} + log_test_addr ${a} $? 0 "VRF server, VRF client, local connection" + done + + a=${NSA_IP} + log_start + run_cmd nettest -s -I ${VRF} -3 ${VRF} & + sleep 1 + run_cmd nettest -r ${a} -d ${NSA_DEV} -0 ${a} + log_test_addr ${a} $? 0 "VRF server, device client, local connection" + + log_start + show_hint "Should fail 'No route to host' since client is out of VRF scope" + run_cmd nettest -s -I ${VRF} & + sleep 1 + run_cmd nettest -r ${a} + log_test_addr ${a} $? 1 "VRF server, unbound client, local connection" + + log_start + run_cmd nettest -s -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -r ${a} -d ${VRF} -0 ${a} + log_test_addr ${a} $? 0 "Device server, VRF client, local connection" + + log_start + run_cmd nettest -s -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -r ${a} -d ${NSA_DEV} -0 ${a} + log_test_addr ${a} $? 0 "Device server, device client, local connection" +} + +ipv4_tcp() +{ + log_section "IPv4/TCP" + log_subsection "No VRF" + setup + + # tcp_l3mdev_accept should have no affect without VRF; + # run tests with it enabled and disabled to verify + log_subsection "tcp_l3mdev_accept disabled" + set_sysctl net.ipv4.tcp_l3mdev_accept=0 + ipv4_tcp_novrf + log_subsection "tcp_l3mdev_accept enabled" + set_sysctl net.ipv4.tcp_l3mdev_accept=1 + ipv4_tcp_novrf + + log_subsection "With VRF" + setup "yes" + ipv4_tcp_vrf +} + +################################################################################ +# IPv4 UDP + +ipv4_udp_novrf() +{ + local a + + # + # server tests + # + for a in ${NSA_IP} ${NSA_LO_IP} + do + log_start + run_cmd nettest -D -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -D -r ${a} + log_test_addr ${a} $? 0 "Global server" + + log_start + show_hint "Should fail 'Connection refused' since there is no server" + run_cmd_nsb nettest -D -r ${a} + log_test_addr ${a} $? 1 "No server" + done + + a=${NSA_IP} + log_start + run_cmd nettest -D -I ${NSA_DEV} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -D -r ${a} + log_test_addr ${a} $? 0 "Device server" + + # + # client + # + for a in ${NSB_IP} ${NSB_LO_IP} + do + log_start + run_cmd_nsb nettest -D -s & + sleep 1 + run_cmd nettest -D -r ${a} -0 ${NSA_IP} + log_test_addr ${a} $? 0 "Client" + + log_start + run_cmd_nsb nettest -D -s & + sleep 1 + run_cmd nettest -D -r ${a} -d ${NSA_DEV} -0 ${NSA_IP} + log_test_addr ${a} $? 0 "Client, device bind" + + log_start + run_cmd_nsb nettest -D -s & + sleep 1 + run_cmd nettest -D -r ${a} -d ${NSA_DEV} -C -0 ${NSA_IP} + log_test_addr ${a} $? 0 "Client, device send via cmsg" + + log_start + run_cmd_nsb nettest -D -s & + sleep 1 + run_cmd nettest -D -r ${a} -d ${NSA_DEV} -S -0 ${NSA_IP} + log_test_addr ${a} $? 0 "Client, device bind via IP_UNICAST_IF" + + log_start + run_cmd_nsb nettest -D -s & + sleep 1 + run_cmd nettest -D -r ${a} -d ${NSA_DEV} -S -0 ${NSA_IP} -U + log_test_addr ${a} $? 0 "Client, device bind via IP_UNICAST_IF, with connect()" + + + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -D -r ${a} + log_test_addr ${a} $? 1 "No server, unbound client" + + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -D -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 1 "No server, device client" + done + + # + # local address tests + # + for a in ${NSA_IP} ${NSA_LO_IP} 127.0.0.1 + do + log_start + run_cmd nettest -D -s & + sleep 1 + run_cmd nettest -D -r ${a} -0 ${a} -1 ${a} + log_test_addr ${a} $? 0 "Global server, local connection" + done + + a=${NSA_IP} + log_start + run_cmd nettest -s -D -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -D -r ${a} + log_test_addr ${a} $? 0 "Device server, unbound client, local connection" + + for a in ${NSA_LO_IP} 127.0.0.1 + do + log_start + show_hint "Should fail 'Connection refused' since address is out of device scope" + run_cmd nettest -s -D -I ${NSA_DEV} & + sleep 1 + run_cmd nettest -D -r ${a} + log_test_addr ${a} $? 1 "Device server, unbound client, local connection" + done + + a=${NSA_IP} + log_start + run_cmd nettest -s -D & + sleep 1 + run_cmd nettest -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 0 "Global server, device client, local connection" + + log_start + run_cmd nettest -s -D & + sleep 1 + run_cmd nettest -D -d ${NSA_DEV} -C -r ${a} + log_test_addr ${a} $? 0 "Global server, device send via cmsg, local connection" + + log_start + run_cmd nettest -s -D & + sleep 1 + run_cmd nettest -D -d ${NSA_DEV} -S -r ${a} + log_test_addr ${a} $? 0 "Global server, device client via IP_UNICAST_IF, local connection" + + log_start + run_cmd nettest -s -D & + sleep 1 + run_cmd nettest -D -d ${NSA_DEV} -S -r ${a} -U + log_test_addr ${a} $? 0 "Global server, device client via IP_UNICAST_IF, local connection, with connect()" + + + # IPv4 with device bind has really weird behavior - it overrides the + # fib lookup, generates an rtable and tries to send the packet. This + # causes failures for local traffic at different places + for a in ${NSA_LO_IP} 127.0.0.1 + do + log_start + show_hint "Should fail since addresses on loopback are out of device scope" + run_cmd nettest -D -s & + sleep 1 + run_cmd nettest -D -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 2 "Global server, device client, local connection" + + log_start + show_hint "Should fail since addresses on loopback are out of device scope" + run_cmd nettest -D -s & + sleep 1 + run_cmd nettest -D -r ${a} -d ${NSA_DEV} -C + log_test_addr ${a} $? 1 "Global server, device send via cmsg, local connection" + + log_start + show_hint "Should fail since addresses on loopback are out of device scope" + run_cmd nettest -D -s & + sleep 1 + run_cmd nettest -D -r ${a} -d ${NSA_DEV} -S + log_test_addr ${a} $? 1 "Global server, device client via IP_UNICAST_IF, local connection" + + log_start + show_hint "Should fail since addresses on loopback are out of device scope" + run_cmd nettest -D -s & + sleep 1 + run_cmd nettest -D -r ${a} -d ${NSA_DEV} -S -U + log_test_addr ${a} $? 1 "Global server, device client via IP_UNICAST_IF, local connection, with connect()" + + + done + + a=${NSA_IP} + log_start + run_cmd nettest -D -s -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -D -d ${NSA_DEV} -r ${a} -0 ${a} + log_test_addr ${a} $? 0 "Device server, device client, local conn" + + log_start + run_cmd nettest -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 2 "No server, device client, local conn" +} + +ipv4_udp_vrf() +{ + local a + + # disable global server + log_subsection "Global server disabled" + set_sysctl net.ipv4.udp_l3mdev_accept=0 + + # + # server tests + # + for a in ${NSA_IP} ${VRF_IP} + do + log_start + show_hint "Fails because ingress is in a VRF and global server is disabled" + run_cmd nettest -D -s & + sleep 1 + run_cmd_nsb nettest -D -r ${a} + log_test_addr ${a} $? 1 "Global server" + + log_start + run_cmd nettest -D -I ${VRF} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -D -r ${a} + log_test_addr ${a} $? 0 "VRF server" + + log_start + run_cmd nettest -D -I ${NSA_DEV} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -D -r ${a} + log_test_addr ${a} $? 0 "Enslaved device server" + + log_start + show_hint "Should fail 'Connection refused' since there is no server" + run_cmd_nsb nettest -D -r ${a} + log_test_addr ${a} $? 1 "No server" + + log_start + show_hint "Should fail 'Connection refused' since global server is out of scope" + run_cmd nettest -D -s & + sleep 1 + run_cmd nettest -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 1 "Global server, VRF client, local connection" + done + + a=${NSA_IP} + log_start + run_cmd nettest -s -D -I ${VRF} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "VRF server, VRF client, local conn" + + log_start + run_cmd nettest -s -D -I ${VRF} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 0 "VRF server, enslaved device client, local connection" + + a=${NSA_IP} + log_start + run_cmd nettest -s -D -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "Enslaved device server, VRF client, local conn" + + log_start + run_cmd nettest -s -D -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 0 "Enslaved device server, device client, local conn" + + # enable global server + log_subsection "Global server enabled" + set_sysctl net.ipv4.udp_l3mdev_accept=1 + + # + # server tests + # + for a in ${NSA_IP} ${VRF_IP} + do + log_start + run_cmd nettest -D -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -D -r ${a} + log_test_addr ${a} $? 0 "Global server" + + log_start + run_cmd nettest -D -I ${VRF} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -D -r ${a} + log_test_addr ${a} $? 0 "VRF server" + + log_start + run_cmd nettest -D -I ${NSA_DEV} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -D -r ${a} + log_test_addr ${a} $? 0 "Enslaved device server" + + log_start + show_hint "Should fail 'Connection refused'" + run_cmd_nsb nettest -D -r ${a} + log_test_addr ${a} $? 1 "No server" + done + + # + # client tests + # + log_start + run_cmd_nsb nettest -D -s & + sleep 1 + run_cmd nettest -d ${VRF} -D -r ${NSB_IP} -1 ${NSA_IP} + log_test $? 0 "VRF client" + + log_start + run_cmd_nsb nettest -D -s & + sleep 1 + run_cmd nettest -d ${NSA_DEV} -D -r ${NSB_IP} -1 ${NSA_IP} + log_test $? 0 "Enslaved device client" + + # negative test - should fail + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -D -d ${VRF} -r ${NSB_IP} + log_test $? 1 "No server, VRF client" + + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -D -d ${NSA_DEV} -r ${NSB_IP} + log_test $? 1 "No server, enslaved device client" + + # + # local address tests + # + a=${NSA_IP} + log_start + run_cmd nettest -D -s -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "Global server, VRF client, local conn" + + log_start + run_cmd nettest -s -D -I ${VRF} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "VRF server, VRF client, local conn" + + log_start + run_cmd nettest -s -D -I ${VRF} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 0 "VRF server, device client, local conn" + + log_start + run_cmd nettest -s -D -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "Enslaved device server, VRF client, local conn" + + log_start + run_cmd nettest -s -D -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 0 "Enslaved device server, device client, local conn" + + for a in ${VRF_IP} 127.0.0.1 + do + log_start + run_cmd nettest -D -s -3 ${VRF} & + sleep 1 + run_cmd nettest -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "Global server, VRF client, local conn" + done + + for a in ${VRF_IP} 127.0.0.1 + do + log_start + run_cmd nettest -s -D -I ${VRF} -3 ${VRF} & + sleep 1 + run_cmd nettest -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "VRF server, VRF client, local conn" + done + + # negative test - should fail + # verifies ECONNREFUSED + for a in ${NSA_IP} ${VRF_IP} 127.0.0.1 + do + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 1 "No server, VRF client, local conn" + done +} + +ipv4_udp() +{ + log_section "IPv4/UDP" + log_subsection "No VRF" + + setup + + # udp_l3mdev_accept should have no affect without VRF; + # run tests with it enabled and disabled to verify + log_subsection "udp_l3mdev_accept disabled" + set_sysctl net.ipv4.udp_l3mdev_accept=0 + ipv4_udp_novrf + log_subsection "udp_l3mdev_accept enabled" + set_sysctl net.ipv4.udp_l3mdev_accept=1 + ipv4_udp_novrf + + log_subsection "With VRF" + setup "yes" + ipv4_udp_vrf +} + +################################################################################ +# IPv4 address bind +# +# verifies ability or inability to bind to an address / device + +ipv4_addr_bind_novrf() +{ + # + # raw socket + # + for a in ${NSA_IP} ${NSA_LO_IP} + do + log_start + run_cmd nettest -s -R -P icmp -l ${a} -b + log_test_addr ${a} $? 0 "Raw socket bind to local address" + + log_start + run_cmd nettest -s -R -P icmp -l ${a} -I ${NSA_DEV} -b + log_test_addr ${a} $? 0 "Raw socket bind to local address after device bind" + done + + # + # tests for nonlocal bind + # + a=${NL_IP} + log_start + run_cmd nettest -s -R -f -l ${a} -b + log_test_addr ${a} $? 0 "Raw socket bind to nonlocal address" + + log_start + run_cmd nettest -s -f -l ${a} -b + log_test_addr ${a} $? 0 "TCP socket bind to nonlocal address" + + log_start + run_cmd nettest -s -D -P icmp -f -l ${a} -b + log_test_addr ${a} $? 0 "ICMP socket bind to nonlocal address" + + # + # check that ICMP sockets cannot bind to broadcast and multicast addresses + # + a=${BCAST_IP} + log_start + run_cmd nettest -s -D -P icmp -l ${a} -b + log_test_addr ${a} $? 1 "ICMP socket bind to broadcast address" + + a=${MCAST_IP} + log_start + run_cmd nettest -s -D -P icmp -l ${a} -b + log_test_addr ${a} $? 1 "ICMP socket bind to multicast address" + + # + # tcp sockets + # + a=${NSA_IP} + log_start + run_cmd nettest -c ${a} -r ${NSB_IP} -t1 -b + log_test_addr ${a} $? 0 "TCP socket bind to local address" + + log_start + run_cmd nettest -c ${a} -r ${NSB_IP} -d ${NSA_DEV} -t1 -b + log_test_addr ${a} $? 0 "TCP socket bind to local address after device bind" + + # Sadly, the kernel allows binding a socket to a device and then + # binding to an address not on the device. The only restriction + # is that the address is valid in the L3 domain. So this test + # passes when it really should not + #a=${NSA_LO_IP} + #log_start + #show_hint "Should fail with 'Cannot assign requested address'" + #run_cmd nettest -s -l ${a} -I ${NSA_DEV} -t1 -b + #log_test_addr ${a} $? 1 "TCP socket bind to out of scope local address" +} + +ipv4_addr_bind_vrf() +{ + # + # raw socket + # + for a in ${NSA_IP} ${VRF_IP} + do + log_start + show_hint "Socket not bound to VRF, but address is in VRF" + run_cmd nettest -s -R -P icmp -l ${a} -b + log_test_addr ${a} $? 1 "Raw socket bind to local address" + + log_start + run_cmd nettest -s -R -P icmp -l ${a} -I ${NSA_DEV} -b + log_test_addr ${a} $? 0 "Raw socket bind to local address after device bind" + log_start + run_cmd nettest -s -R -P icmp -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 0 "Raw socket bind to local address after VRF bind" + done + + a=${NSA_LO_IP} + log_start + show_hint "Address on loopback is out of VRF scope" + run_cmd nettest -s -R -P icmp -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 1 "Raw socket bind to out of scope address after VRF bind" + + # + # tests for nonlocal bind + # + a=${NL_IP} + log_start + run_cmd nettest -s -R -f -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 0 "Raw socket bind to nonlocal address after VRF bind" + + log_start + run_cmd nettest -s -f -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 0 "TCP socket bind to nonlocal address after VRF bind" + + log_start + run_cmd nettest -s -D -P icmp -f -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 0 "ICMP socket bind to nonlocal address after VRF bind" + + # + # check that ICMP sockets cannot bind to broadcast and multicast addresses + # + a=${BCAST_IP} + log_start + run_cmd nettest -s -D -P icmp -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 1 "ICMP socket bind to broadcast address after VRF bind" + + a=${MCAST_IP} + log_start + run_cmd nettest -s -D -P icmp -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 1 "ICMP socket bind to multicast address after VRF bind" + + # + # tcp sockets + # + for a in ${NSA_IP} ${VRF_IP} + do + log_start + run_cmd nettest -s -l ${a} -I ${VRF} -t1 -b + log_test_addr ${a} $? 0 "TCP socket bind to local address" + + log_start + run_cmd nettest -s -l ${a} -I ${NSA_DEV} -t1 -b + log_test_addr ${a} $? 0 "TCP socket bind to local address after device bind" + done + + a=${NSA_LO_IP} + log_start + show_hint "Address on loopback out of scope for VRF" + run_cmd nettest -s -l ${a} -I ${VRF} -t1 -b + log_test_addr ${a} $? 1 "TCP socket bind to invalid local address for VRF" + + log_start + show_hint "Address on loopback out of scope for device in VRF" + run_cmd nettest -s -l ${a} -I ${NSA_DEV} -t1 -b + log_test_addr ${a} $? 1 "TCP socket bind to invalid local address for device bind" +} + +ipv4_addr_bind() +{ + log_section "IPv4 address binds" + + log_subsection "No VRF" + setup + set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null + ipv4_addr_bind_novrf + + log_subsection "With VRF" + setup "yes" + set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null + ipv4_addr_bind_vrf +} + +################################################################################ +# IPv4 runtime tests + +ipv4_rt() +{ + local desc="$1" + local varg="$2" + local with_vrf="yes" + local a + + # + # server tests + # + for a in ${NSA_IP} ${VRF_IP} + do + log_start + run_cmd nettest ${varg} -s & + sleep 1 + run_cmd_nsb nettest ${varg} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, global server" + + setup ${with_vrf} + done + + for a in ${NSA_IP} ${VRF_IP} + do + log_start + run_cmd nettest ${varg} -s -I ${VRF} & + sleep 1 + run_cmd_nsb nettest ${varg} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, VRF server" + + setup ${with_vrf} + done + + a=${NSA_IP} + log_start + run_cmd nettest ${varg} -s -I ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest ${varg} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, enslaved device server" + + setup ${with_vrf} + + # + # client test + # + log_start + run_cmd_nsb nettest ${varg} -s & + sleep 1 + run_cmd nettest ${varg} -d ${VRF} -r ${NSB_IP} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, VRF client" + + setup ${with_vrf} + + log_start + run_cmd_nsb nettest ${varg} -s & + sleep 1 + run_cmd nettest ${varg} -d ${NSA_DEV} -r ${NSB_IP} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, enslaved device client" + + setup ${with_vrf} + + # + # local address tests + # + for a in ${NSA_IP} ${VRF_IP} + do + log_start + run_cmd nettest ${varg} -s & + sleep 1 + run_cmd nettest ${varg} -d ${VRF} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, global server, VRF client, local" + + setup ${with_vrf} + done + + for a in ${NSA_IP} ${VRF_IP} + do + log_start + run_cmd nettest ${varg} -I ${VRF} -s & + sleep 1 + run_cmd nettest ${varg} -d ${VRF} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, VRF server and client, local" + + setup ${with_vrf} + done + + a=${NSA_IP} + log_start + + run_cmd nettest ${varg} -s & + sleep 1 + run_cmd nettest ${varg} -d ${NSA_DEV} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, global server, enslaved device client, local" + + setup ${with_vrf} + + log_start + run_cmd nettest ${varg} -I ${VRF} -s & + sleep 1 + run_cmd nettest ${varg} -d ${NSA_DEV} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, VRF server, enslaved device client, local" + + setup ${with_vrf} + + log_start + run_cmd nettest ${varg} -I ${NSA_DEV} -s & + sleep 1 + run_cmd nettest ${varg} -d ${NSA_DEV} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, enslaved device server and client, local" +} + +ipv4_ping_rt() +{ + local with_vrf="yes" + local a + + for a in ${NSA_IP} ${VRF_IP} + do + log_start + run_cmd_nsb ping -f ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "Device delete with active traffic - ping in" + + setup ${with_vrf} + done + + a=${NSB_IP} + log_start + run_cmd ping -f -I ${VRF} ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "Device delete with active traffic - ping out" +} + +ipv4_runtime() +{ + log_section "Run time tests - ipv4" + + setup "yes" + ipv4_ping_rt + + setup "yes" + ipv4_rt "TCP active socket" "-n -1" + + setup "yes" + ipv4_rt "TCP passive socket" "-i" +} + +################################################################################ +# IPv6 + +ipv6_ping_novrf() +{ + local a + + # should not have an impact, but make a known state + set_sysctl net.ipv4.raw_l3mdev_accept=0 2>/dev/null + + # + # out + # + for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV} + do + log_start + run_cmd ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 0 "ping out" + done + + for a in ${NSB_IP6} ${NSB_LO_IP6} + do + log_start + run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 0 "ping out, device bind" + + log_start + run_cmd ${ping6} -c1 -w1 -I ${NSA_LO_IP6} ${a} + log_test_addr ${a} $? 0 "ping out, loopback address bind" + done + + # + # in + # + for a in ${NSA_IP6} ${NSA_LO_IP6} ${NSA_LINKIP6}%${NSB_DEV} ${MCAST}%${NSB_DEV} + do + log_start + run_cmd_nsb ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 0 "ping in" + done + + # + # local traffic, local address + # + for a in ${NSA_IP6} ${NSA_LO_IP6} ::1 ${NSA_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV} + do + log_start + run_cmd ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 0 "ping local, no bind" + done + + for a in ${NSA_IP6} ${NSA_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV} + do + log_start + run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 0 "ping local, device bind" + done + + for a in ${NSA_LO_IP6} ::1 + do + log_start + show_hint "Fails since address on loopback is out of device scope" + run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 2 "ping local, device bind" + done + + # + # ip rule blocks address + # + log_start + setup_cmd ip -6 rule add pref 32765 from all lookup local + setup_cmd ip -6 rule del pref 0 from all lookup local + setup_cmd ip -6 rule add pref 50 to ${NSB_LO_IP6} prohibit + setup_cmd ip -6 rule add pref 51 from ${NSB_IP6} prohibit + + a=${NSB_LO_IP6} + run_cmd ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 2 "ping out, blocked by rule" + + log_start + run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 2 "ping out, device bind, blocked by rule" + + a=${NSA_LO_IP6} + log_start + show_hint "Response lost due to ip rule" + run_cmd_nsb ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 1 "ping in, blocked by rule" + + setup_cmd ip -6 rule add pref 0 from all lookup local + setup_cmd ip -6 rule del pref 32765 from all lookup local + setup_cmd ip -6 rule del pref 50 to ${NSB_LO_IP6} prohibit + setup_cmd ip -6 rule del pref 51 from ${NSB_IP6} prohibit + + # + # route blocks reachability to remote address + # + log_start + setup_cmd ip -6 route del ${NSB_LO_IP6} + setup_cmd ip -6 route add unreachable ${NSB_LO_IP6} metric 10 + setup_cmd ip -6 route add unreachable ${NSB_IP6} metric 10 + + a=${NSB_LO_IP6} + run_cmd ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 2 "ping out, blocked by route" + + log_start + run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 2 "ping out, device bind, blocked by route" + + a=${NSA_LO_IP6} + log_start + show_hint "Response lost due to ip route" + run_cmd_nsb ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 1 "ping in, blocked by route" + + + # + # remove 'remote' routes; fallback to default + # + log_start + setup_cmd ip -6 ro del unreachable ${NSB_LO_IP6} + setup_cmd ip -6 ro del unreachable ${NSB_IP6} + + a=${NSB_LO_IP6} + run_cmd ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 2 "ping out, unreachable route" + + log_start + run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 2 "ping out, device bind, unreachable route" +} + +ipv6_ping_vrf() +{ + local a + + # should default on; does not exist on older kernels + set_sysctl net.ipv4.raw_l3mdev_accept=1 2>/dev/null + + # + # out + # + for a in ${NSB_IP6} ${NSB_LO_IP6} + do + log_start + run_cmd ${ping6} -c1 -w1 -I ${VRF} ${a} + log_test_addr ${a} $? 0 "ping out, VRF bind" + done + + for a in ${NSB_LINKIP6}%${VRF} ${MCAST}%${VRF} + do + log_start + show_hint "Fails since VRF device does not support linklocal or multicast" + run_cmd ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 1 "ping out, VRF bind" + done + + for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV} + do + log_start + run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 0 "ping out, device bind" + done + + for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV} + do + log_start + run_cmd ip vrf exec ${VRF} ${ping6} -c1 -w1 -I ${VRF_IP6} ${a} + log_test_addr ${a} $? 0 "ping out, vrf device+address bind" + done + + # + # in + # + for a in ${NSA_IP6} ${VRF_IP6} ${NSA_LINKIP6}%${NSB_DEV} ${MCAST}%${NSB_DEV} + do + log_start + run_cmd_nsb ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 0 "ping in" + done + + a=${NSA_LO_IP6} + log_start + show_hint "Fails since loopback address is out of VRF scope" + run_cmd_nsb ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 1 "ping in" + + # + # local traffic, local address + # + for a in ${NSA_IP6} ${VRF_IP6} ::1 + do + log_start + show_hint "Source address should be ${a}" + run_cmd ${ping6} -c1 -w1 -I ${VRF} ${a} + log_test_addr ${a} $? 0 "ping local, VRF bind" + done + + for a in ${NSA_IP6} ${NSA_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV} + do + log_start + run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 0 "ping local, device bind" + done + + # LLA to GUA - remove ipv6 global addresses from ns-B + setup_cmd_nsb ip -6 addr del ${NSB_IP6}/64 dev ${NSB_DEV} + setup_cmd_nsb ip -6 addr del ${NSB_LO_IP6}/128 dev lo + setup_cmd_nsb ip -6 ro add ${NSA_IP6}/128 via ${NSA_LINKIP6} dev ${NSB_DEV} + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd_nsb ${ping6} -c1 -w1 ${NSA_IP6} + log_test_addr ${a} $? 0 "ping in, LLA to GUA" + done + + setup_cmd_nsb ip -6 ro del ${NSA_IP6}/128 via ${NSA_LINKIP6} dev ${NSB_DEV} + setup_cmd_nsb ip -6 addr add ${NSB_IP6}/64 dev ${NSB_DEV} + setup_cmd_nsb ip -6 addr add ${NSB_LO_IP6}/128 dev lo + + # + # ip rule blocks address + # + log_start + setup_cmd ip -6 rule add pref 50 to ${NSB_LO_IP6} prohibit + setup_cmd ip -6 rule add pref 51 from ${NSB_IP6} prohibit + + a=${NSB_LO_IP6} + run_cmd ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 2 "ping out, blocked by rule" + + log_start + run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 2 "ping out, device bind, blocked by rule" + + a=${NSA_LO_IP6} + log_start + show_hint "Response lost due to ip rule" + run_cmd_nsb ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 1 "ping in, blocked by rule" + + log_start + setup_cmd ip -6 rule del pref 50 to ${NSB_LO_IP6} prohibit + setup_cmd ip -6 rule del pref 51 from ${NSB_IP6} prohibit + + # + # remove 'remote' routes; fallback to default + # + log_start + setup_cmd ip -6 ro del ${NSB_LO_IP6} vrf ${VRF} + + a=${NSB_LO_IP6} + run_cmd ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 2 "ping out, unreachable route" + + log_start + run_cmd ${ping6} -c1 -w1 -I ${NSA_DEV} ${a} + log_test_addr ${a} $? 2 "ping out, device bind, unreachable route" + + ip -netns ${NSB} -6 ro del ${NSA_LO_IP6} + a=${NSA_LO_IP6} + log_start + run_cmd_nsb ${ping6} -c1 -w1 ${a} + log_test_addr ${a} $? 2 "ping in, unreachable route" +} + +ipv6_ping() +{ + log_section "IPv6 ping" + + log_subsection "No VRF" + setup + ipv6_ping_novrf + setup + set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null + ipv6_ping_novrf + + log_subsection "With VRF" + setup "yes" + ipv6_ping_vrf + setup "yes" + set_sysctl net.ipv4.ping_group_range='0 2147483647' 2>/dev/null + ipv6_ping_vrf +} + +################################################################################ +# IPv6 TCP + +# +# MD5 tests without VRF +# +ipv6_tcp_md5_novrf() +{ + # + # single address + # + + # basic use case + log_start + run_cmd nettest -6 -s -M ${MD5_PW} -m ${NSB_IP6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 0 "MD5: Single address config" + + # client sends MD5, server not configured + log_start + show_hint "Should timeout due to MD5 mismatch" + run_cmd nettest -6 -s & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 2 "MD5: Server no config, client uses password" + + # wrong password + log_start + show_hint "Should timeout since client uses wrong password" + run_cmd nettest -6 -s -M ${MD5_PW} -m ${NSB_IP6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW} + log_test $? 2 "MD5: Client uses wrong password" + + # client from different address + log_start + show_hint "Should timeout due to MD5 mismatch" + run_cmd nettest -6 -s -M ${MD5_PW} -m ${NSB_LO_IP6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 2 "MD5: Client address does not match address configured with password" + + # + # MD5 extension - prefix length + # + + # client in prefix + log_start + run_cmd nettest -6 -s -M ${MD5_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 0 "MD5: Prefix config" + + # client in prefix, wrong password + log_start + show_hint "Should timeout since client uses wrong password" + run_cmd nettest -6 -s -M ${MD5_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW} + log_test $? 2 "MD5: Prefix config, client uses wrong password" + + # client outside of prefix + log_start + show_hint "Should timeout due to MD5 mismatch" + run_cmd nettest -6 -s -M ${MD5_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsb nettest -6 -c ${NSB_LO_IP6} -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 2 "MD5: Prefix config, client address not in configured prefix" +} + +# +# MD5 tests with VRF +# +ipv6_tcp_md5() +{ + # + # single address + # + + # basic use case + log_start + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 0 "MD5: VRF: Single address config" + + # client sends MD5, server not configured + log_start + show_hint "Should timeout since server does not have MD5 auth" + run_cmd nettest -6 -s -I ${VRF} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 2 "MD5: VRF: Server no config, client uses password" + + # wrong password + log_start + show_hint "Should timeout since client uses wrong password" + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW} + log_test $? 2 "MD5: VRF: Client uses wrong password" + + # client from different address + log_start + show_hint "Should timeout since server config differs from client" + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_LO_IP6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 2 "MD5: VRF: Client address does not match address configured with password" + + # + # MD5 extension - prefix length + # + + # client in prefix + log_start + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 0 "MD5: VRF: Prefix config" + + # client in prefix, wrong password + log_start + show_hint "Should timeout since client uses wrong password" + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW} + log_test $? 2 "MD5: VRF: Prefix config, client uses wrong password" + + # client outside of prefix + log_start + show_hint "Should timeout since client address is outside of prefix" + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsb nettest -6 -c ${NSB_LO_IP6} -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 2 "MD5: VRF: Prefix config, client address not in configured prefix" + + # + # duplicate config between default VRF and a VRF + # + + log_start + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP6} & + run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NSB_IP6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 0 "MD5: VRF: Single address config in default VRF and VRF, conn in VRF" + + log_start + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP6} & + run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NSB_IP6} & + sleep 1 + run_cmd_nsc nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW} + log_test $? 0 "MD5: VRF: Single address config in default VRF and VRF, conn in default VRF" + + log_start + show_hint "Should timeout since client in default VRF uses VRF password" + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP6} & + run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NSB_IP6} & + sleep 1 + run_cmd_nsc nettest -6 -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 2 "MD5: VRF: Single address config in default VRF and VRF, conn in default VRF with VRF pw" + + log_start + show_hint "Should timeout since client in VRF uses default VRF password" + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NSB_IP6} & + run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NSB_IP6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW} + log_test $? 2 "MD5: VRF: Single address config in default VRF and VRF, conn in VRF with default VRF pw" + + log_start + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} & + run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 0 "MD5: VRF: Prefix config in default VRF and VRF, conn in VRF" + + log_start + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} & + run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsc nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW} + log_test $? 0 "MD5: VRF: Prefix config in default VRF and VRF, conn in default VRF" + + log_start + show_hint "Should timeout since client in default VRF uses VRF password" + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} & + run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsc nettest -6 -r ${NSA_IP6} -X ${MD5_PW} + log_test $? 2 "MD5: VRF: Prefix config in default VRF and VRF, conn in default VRF with VRF pw" + + log_start + show_hint "Should timeout since client in VRF uses default VRF password" + run_cmd nettest -6 -s -I ${VRF} -M ${MD5_PW} -m ${NS_NET6} & + run_cmd nettest -6 -s -M ${MD5_WRONG_PW} -m ${NS_NET6} & + sleep 1 + run_cmd_nsb nettest -6 -r ${NSA_IP6} -X ${MD5_WRONG_PW} + log_test $? 2 "MD5: VRF: Prefix config in default VRF and VRF, conn in VRF with default VRF pw" + + # + # negative tests + # + log_start + run_cmd nettest -6 -s -I ${NSA_DEV} -M ${MD5_PW} -m ${NSB_IP6} + log_test $? 1 "MD5: VRF: Device must be a VRF - single address" + + log_start + run_cmd nettest -6 -s -I ${NSA_DEV} -M ${MD5_PW} -m ${NS_NET6} + log_test $? 1 "MD5: VRF: Device must be a VRF - prefix" + +} + +ipv6_tcp_novrf() +{ + local a + + # + # server tests + # + for a in ${NSA_IP6} ${NSA_LO_IP6} ${NSA_LINKIP6}%${NSB_DEV} + do + log_start + run_cmd nettest -6 -s & + sleep 1 + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 0 "Global server" + done + + # verify TCP reset received + for a in ${NSA_IP6} ${NSA_LO_IP6} ${NSA_LINKIP6}%${NSB_DEV} + do + log_start + show_hint "Should fail 'Connection refused'" + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 1 "No server" + done + + # + # client + # + for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV} + do + log_start + run_cmd_nsb nettest -6 -s & + sleep 1 + run_cmd nettest -6 -r ${a} + log_test_addr ${a} $? 0 "Client" + done + + for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV} + do + log_start + run_cmd_nsb nettest -6 -s & + sleep 1 + run_cmd nettest -6 -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 0 "Client, device bind" + done + + for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV} + do + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -6 -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 1 "No server, device client" + done + + # + # local address tests + # + for a in ${NSA_IP6} ${NSA_LO_IP6} ::1 + do + log_start + run_cmd nettest -6 -s & + sleep 1 + run_cmd nettest -6 -r ${a} + log_test_addr ${a} $? 0 "Global server, local connection" + done + + a=${NSA_IP6} + log_start + run_cmd nettest -6 -s -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -r ${a} -0 ${a} + log_test_addr ${a} $? 0 "Device server, unbound client, local connection" + + for a in ${NSA_LO_IP6} ::1 + do + log_start + show_hint "Should fail 'Connection refused' since addresses on loopback are out of device scope" + run_cmd nettest -6 -s -I ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -r ${a} + log_test_addr ${a} $? 1 "Device server, unbound client, local connection" + done + + a=${NSA_IP6} + log_start + run_cmd nettest -6 -s & + sleep 1 + run_cmd nettest -6 -r ${a} -d ${NSA_DEV} -0 ${a} + log_test_addr ${a} $? 0 "Global server, device client, local connection" + + for a in ${NSA_LO_IP6} ::1 + do + log_start + show_hint "Should fail 'Connection refused' since addresses on loopback are out of device scope" + run_cmd nettest -6 -s & + sleep 1 + run_cmd nettest -6 -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 1 "Global server, device client, local connection" + done + + for a in ${NSA_IP6} ${NSA_LINKIP6} + do + log_start + run_cmd nettest -6 -s -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 0 "Device server, device client, local conn" + done + + for a in ${NSA_IP6} ${NSA_LINKIP6} + do + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -6 -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 1 "No server, device client, local conn" + done + + [ "$fips_enabled" = "1" ] || ipv6_tcp_md5_novrf +} + +ipv6_tcp_vrf() +{ + local a + + # disable global server + log_subsection "Global server disabled" + + set_sysctl net.ipv4.tcp_l3mdev_accept=0 + + # + # server tests + # + for a in ${NSA_IP6} ${VRF_IP6} ${NSA_LINKIP6}%${NSB_DEV} + do + log_start + show_hint "Should fail 'Connection refused' since global server with VRF is disabled" + run_cmd nettest -6 -s & + sleep 1 + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 1 "Global server" + done + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -s -I ${VRF} -3 ${VRF} & + sleep 1 + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 0 "VRF server" + done + + # link local is always bound to ingress device + a=${NSA_LINKIP6}%${NSB_DEV} + log_start + run_cmd nettest -6 -s -I ${VRF} -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 0 "VRF server" + + for a in ${NSA_IP6} ${VRF_IP6} ${NSA_LINKIP6}%${NSB_DEV} + do + log_start + run_cmd nettest -6 -s -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 0 "Device server" + done + + # verify TCP reset received + for a in ${NSA_IP6} ${VRF_IP6} ${NSA_LINKIP6}%${NSB_DEV} + do + log_start + show_hint "Should fail 'Connection refused'" + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 1 "No server" + done + + # local address tests + a=${NSA_IP6} + log_start + show_hint "Should fail 'Connection refused' since global server with VRF is disabled" + run_cmd nettest -6 -s & + sleep 1 + run_cmd nettest -6 -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 1 "Global server, local connection" + + # run MD5 tests + if [ "$fips_enabled" = "0" ]; then + setup_vrf_dup + ipv6_tcp_md5 + cleanup_vrf_dup + fi + + # + # enable VRF global server + # + log_subsection "VRF Global server enabled" + set_sysctl net.ipv4.tcp_l3mdev_accept=1 + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -s -3 ${VRF} & + sleep 1 + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 0 "Global server" + done + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -s -I ${VRF} -3 ${VRF} & + sleep 1 + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 0 "VRF server" + done + + # For LLA, child socket is bound to device + a=${NSA_LINKIP6}%${NSB_DEV} + log_start + run_cmd nettest -6 -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 0 "Global server" + + log_start + run_cmd nettest -6 -s -I ${VRF} -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 0 "VRF server" + + for a in ${NSA_IP6} ${NSA_LINKIP6}%${NSB_DEV} + do + log_start + run_cmd nettest -6 -s -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 0 "Device server" + done + + # verify TCP reset received + for a in ${NSA_IP6} ${VRF_IP6} ${NSA_LINKIP6}%${NSB_DEV} + do + log_start + show_hint "Should fail 'Connection refused'" + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 1 "No server" + done + + # local address tests + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + show_hint "Fails 'Connection refused' since client is not in VRF" + run_cmd nettest -6 -s -I ${VRF} & + sleep 1 + run_cmd nettest -6 -r ${a} + log_test_addr ${a} $? 1 "Global server, local connection" + done + + + # + # client + # + for a in ${NSB_IP6} ${NSB_LO_IP6} + do + log_start + run_cmd_nsb nettest -6 -s & + sleep 1 + run_cmd nettest -6 -r ${a} -d ${VRF} + log_test_addr ${a} $? 0 "Client, VRF bind" + done + + a=${NSB_LINKIP6} + log_start + show_hint "Fails since VRF device does not allow linklocal addresses" + run_cmd_nsb nettest -6 -s & + sleep 1 + run_cmd nettest -6 -r ${a} -d ${VRF} + log_test_addr ${a} $? 1 "Client, VRF bind" + + for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6} + do + log_start + run_cmd_nsb nettest -6 -s & + sleep 1 + run_cmd nettest -6 -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 0 "Client, device bind" + done + + for a in ${NSB_IP6} ${NSB_LO_IP6} + do + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -6 -r ${a} -d ${VRF} + log_test_addr ${a} $? 1 "No server, VRF client" + done + + for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6} + do + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -6 -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 1 "No server, device client" + done + + for a in ${NSA_IP6} ${VRF_IP6} ::1 + do + log_start + run_cmd nettest -6 -s -I ${VRF} -3 ${VRF} & + sleep 1 + run_cmd nettest -6 -r ${a} -d ${VRF} -0 ${a} + log_test_addr ${a} $? 0 "VRF server, VRF client, local connection" + done + + a=${NSA_IP6} + log_start + run_cmd nettest -6 -s -I ${VRF} -3 ${VRF} & + sleep 1 + run_cmd nettest -6 -r ${a} -d ${NSA_DEV} -0 ${a} + log_test_addr ${a} $? 0 "VRF server, device client, local connection" + + a=${NSA_IP6} + log_start + show_hint "Should fail since unbound client is out of VRF scope" + run_cmd nettest -6 -s -I ${VRF} & + sleep 1 + run_cmd nettest -6 -r ${a} + log_test_addr ${a} $? 1 "VRF server, unbound client, local connection" + + log_start + run_cmd nettest -6 -s -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -r ${a} -d ${VRF} -0 ${a} + log_test_addr ${a} $? 0 "Device server, VRF client, local connection" + + for a in ${NSA_IP6} ${NSA_LINKIP6} + do + log_start + run_cmd nettest -6 -s -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -r ${a} -d ${NSA_DEV} -0 ${a} + log_test_addr ${a} $? 0 "Device server, device client, local connection" + done +} + +ipv6_tcp() +{ + log_section "IPv6/TCP" + log_subsection "No VRF" + setup + + # tcp_l3mdev_accept should have no affect without VRF; + # run tests with it enabled and disabled to verify + log_subsection "tcp_l3mdev_accept disabled" + set_sysctl net.ipv4.tcp_l3mdev_accept=0 + ipv6_tcp_novrf + log_subsection "tcp_l3mdev_accept enabled" + set_sysctl net.ipv4.tcp_l3mdev_accept=1 + ipv6_tcp_novrf + + log_subsection "With VRF" + setup "yes" + ipv6_tcp_vrf +} + +################################################################################ +# IPv6 UDP + +ipv6_udp_novrf() +{ + local a + + # + # server tests + # + for a in ${NSA_IP6} ${NSA_LINKIP6}%${NSB_DEV} + do + log_start + run_cmd nettest -6 -D -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -6 -D -r ${a} + log_test_addr ${a} $? 0 "Global server" + + log_start + run_cmd nettest -6 -D -I ${NSA_DEV} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -6 -D -r ${a} + log_test_addr ${a} $? 0 "Device server" + done + + a=${NSA_LO_IP6} + log_start + run_cmd nettest -6 -D -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -6 -D -r ${a} + log_test_addr ${a} $? 0 "Global server" + + # should fail since loopback address is out of scope for a device + # bound server, but it does not - hence this is more documenting + # behavior. + #log_start + #show_hint "Should fail since loopback address is out of scope" + #run_cmd nettest -6 -D -I ${NSA_DEV} -s -3 ${NSA_DEV} & + #sleep 1 + #run_cmd_nsb nettest -6 -D -r ${a} + #log_test_addr ${a} $? 1 "Device server" + + # negative test - should fail + for a in ${NSA_IP6} ${NSA_LO_IP6} ${NSA_LINKIP6}%${NSB_DEV} + do + log_start + show_hint "Should fail 'Connection refused' since there is no server" + run_cmd_nsb nettest -6 -D -r ${a} + log_test_addr ${a} $? 1 "No server" + done + + # + # client + # + for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV} + do + log_start + run_cmd_nsb nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -r ${a} -0 ${NSA_IP6} + log_test_addr ${a} $? 0 "Client" + + log_start + run_cmd_nsb nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV} -0 ${NSA_IP6} + log_test_addr ${a} $? 0 "Client, device bind" + + log_start + run_cmd_nsb nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV} -C -0 ${NSA_IP6} + log_test_addr ${a} $? 0 "Client, device send via cmsg" + + log_start + run_cmd_nsb nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV} -S -0 ${NSA_IP6} + log_test_addr ${a} $? 0 "Client, device bind via IPV6_UNICAST_IF" + + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -6 -D -r ${a} + log_test_addr ${a} $? 1 "No server, unbound client" + + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 1 "No server, device client" + done + + # + # local address tests + # + for a in ${NSA_IP6} ${NSA_LO_IP6} ::1 + do + log_start + run_cmd nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -r ${a} -0 ${a} -1 ${a} + log_test_addr ${a} $? 0 "Global server, local connection" + done + + a=${NSA_IP6} + log_start + run_cmd nettest -6 -s -D -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -D -r ${a} + log_test_addr ${a} $? 0 "Device server, unbound client, local connection" + + for a in ${NSA_LO_IP6} ::1 + do + log_start + show_hint "Should fail 'Connection refused' since address is out of device scope" + run_cmd nettest -6 -s -D -I ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -D -r ${a} + log_test_addr ${a} $? 1 "Device server, local connection" + done + + a=${NSA_IP6} + log_start + run_cmd nettest -6 -s -D & + sleep 1 + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 0 "Global server, device client, local connection" + + log_start + run_cmd nettest -6 -s -D & + sleep 1 + run_cmd nettest -6 -D -d ${NSA_DEV} -C -r ${a} + log_test_addr ${a} $? 0 "Global server, device send via cmsg, local connection" + + log_start + run_cmd nettest -6 -s -D & + sleep 1 + run_cmd nettest -6 -D -d ${NSA_DEV} -S -r ${a} + log_test_addr ${a} $? 0 "Global server, device client via IPV6_UNICAST_IF, local connection" + + for a in ${NSA_LO_IP6} ::1 + do + log_start + show_hint "Should fail 'No route to host' since addresses on loopback are out of device scope" + run_cmd nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV} + log_test_addr ${a} $? 1 "Global server, device client, local connection" + + log_start + show_hint "Should fail 'No route to host' since addresses on loopback are out of device scope" + run_cmd nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV} -C + log_test_addr ${a} $? 1 "Global server, device send via cmsg, local connection" + + log_start + show_hint "Should fail 'No route to host' since addresses on loopback are out of device scope" + run_cmd nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV} -S + log_test_addr ${a} $? 1 "Global server, device client via IP_UNICAST_IF, local connection" + + log_start + show_hint "Should fail 'No route to host' since addresses on loopback are out of device scope" + run_cmd nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -r ${a} -d ${NSA_DEV} -S -U + log_test_addr ${a} $? 1 "Global server, device client via IP_UNICAST_IF, local connection, with connect()" + done + + a=${NSA_IP6} + log_start + run_cmd nettest -6 -D -s -I ${NSA_DEV} -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a} -0 ${a} + log_test_addr ${a} $? 0 "Device server, device client, local conn" + + log_start + show_hint "Should fail 'Connection refused'" + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 1 "No server, device client, local conn" + + # LLA to GUA + run_cmd_nsb ip -6 addr del ${NSB_IP6}/64 dev ${NSB_DEV} + run_cmd_nsb ip -6 ro add ${NSA_IP6}/128 dev ${NSB_DEV} + log_start + run_cmd nettest -6 -s -D & + sleep 1 + run_cmd_nsb nettest -6 -D -r ${NSA_IP6} + log_test $? 0 "UDP in - LLA to GUA" + + run_cmd_nsb ip -6 ro del ${NSA_IP6}/128 dev ${NSB_DEV} + run_cmd_nsb ip -6 addr add ${NSB_IP6}/64 dev ${NSB_DEV} nodad +} + +ipv6_udp_vrf() +{ + local a + + # disable global server + log_subsection "Global server disabled" + set_sysctl net.ipv4.udp_l3mdev_accept=0 + + # + # server tests + # + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + show_hint "Should fail 'Connection refused' since global server is disabled" + run_cmd nettest -6 -D -s & + sleep 1 + run_cmd_nsb nettest -6 -D -r ${a} + log_test_addr ${a} $? 1 "Global server" + done + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -D -I ${VRF} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -6 -D -r ${a} + log_test_addr ${a} $? 0 "VRF server" + done + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -D -I ${NSA_DEV} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -6 -D -r ${a} + log_test_addr ${a} $? 0 "Enslaved device server" + done + + # negative test - should fail + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + show_hint "Should fail 'Connection refused' since there is no server" + run_cmd_nsb nettest -6 -D -r ${a} + log_test_addr ${a} $? 1 "No server" + done + + # + # local address tests + # + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + show_hint "Should fail 'Connection refused' since global server is disabled" + run_cmd nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 1 "Global server, VRF client, local conn" + done + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -D -I ${VRF} -s & + sleep 1 + run_cmd nettest -6 -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "VRF server, VRF client, local conn" + done + + a=${NSA_IP6} + log_start + show_hint "Should fail 'Connection refused' since global server is disabled" + run_cmd nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 1 "Global server, device client, local conn" + + log_start + run_cmd nettest -6 -D -I ${VRF} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 0 "VRF server, device client, local conn" + + log_start + run_cmd nettest -6 -D -I ${NSA_DEV} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "Enslaved device server, VRF client, local conn" + + log_start + run_cmd nettest -6 -D -I ${NSA_DEV} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 0 "Enslaved device server, device client, local conn" + + # disable global server + log_subsection "Global server enabled" + set_sysctl net.ipv4.udp_l3mdev_accept=1 + + # + # server tests + # + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -D -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -6 -D -r ${a} + log_test_addr ${a} $? 0 "Global server" + done + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -D -I ${VRF} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -6 -D -r ${a} + log_test_addr ${a} $? 0 "VRF server" + done + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -D -I ${NSA_DEV} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd_nsb nettest -6 -D -r ${a} + log_test_addr ${a} $? 0 "Enslaved device server" + done + + # negative test - should fail + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd_nsb nettest -6 -D -r ${a} + log_test_addr ${a} $? 1 "No server" + done + + # + # client tests + # + log_start + run_cmd_nsb nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -d ${VRF} -r ${NSB_IP6} + log_test $? 0 "VRF client" + + # negative test - should fail + log_start + run_cmd nettest -6 -D -d ${VRF} -r ${NSB_IP6} + log_test $? 1 "No server, VRF client" + + log_start + run_cmd_nsb nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${NSB_IP6} + log_test $? 0 "Enslaved device client" + + # negative test - should fail + log_start + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${NSB_IP6} + log_test $? 1 "No server, enslaved device client" + + # + # local address tests + # + a=${NSA_IP6} + log_start + run_cmd nettest -6 -D -s -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "Global server, VRF client, local conn" + + #log_start + run_cmd nettest -6 -D -I ${VRF} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "VRF server, VRF client, local conn" + + + a=${VRF_IP6} + log_start + run_cmd nettest -6 -D -s -3 ${VRF} & + sleep 1 + run_cmd nettest -6 -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "Global server, VRF client, local conn" + + log_start + run_cmd nettest -6 -D -I ${VRF} -s -3 ${VRF} & + sleep 1 + run_cmd nettest -6 -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "VRF server, VRF client, local conn" + + # negative test - should fail + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 1 "No server, VRF client, local conn" + done + + # device to global IP + a=${NSA_IP6} + log_start + run_cmd nettest -6 -D -s -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 0 "Global server, device client, local conn" + + log_start + run_cmd nettest -6 -D -I ${VRF} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 0 "VRF server, device client, local conn" + + log_start + run_cmd nettest -6 -D -I ${NSA_DEV} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -D -d ${VRF} -r ${a} + log_test_addr ${a} $? 0 "Device server, VRF client, local conn" + + log_start + run_cmd nettest -6 -D -I ${NSA_DEV} -s -3 ${NSA_DEV} & + sleep 1 + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 0 "Device server, device client, local conn" + + log_start + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${a} + log_test_addr ${a} $? 1 "No server, device client, local conn" + + + # link local addresses + log_start + run_cmd nettest -6 -D -s & + sleep 1 + run_cmd_nsb nettest -6 -D -d ${NSB_DEV} -r ${NSA_LINKIP6} + log_test $? 0 "Global server, linklocal IP" + + log_start + run_cmd_nsb nettest -6 -D -d ${NSB_DEV} -r ${NSA_LINKIP6} + log_test $? 1 "No server, linklocal IP" + + + log_start + run_cmd_nsb nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${NSB_LINKIP6} + log_test $? 0 "Enslaved device client, linklocal IP" + + log_start + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${NSB_LINKIP6} + log_test $? 1 "No server, device client, peer linklocal IP" + + + log_start + run_cmd nettest -6 -D -s & + sleep 1 + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${NSA_LINKIP6} + log_test $? 0 "Enslaved device client, local conn - linklocal IP" + + log_start + run_cmd nettest -6 -D -d ${NSA_DEV} -r ${NSA_LINKIP6} + log_test $? 1 "No server, device client, local conn - linklocal IP" + + # LLA to GUA + run_cmd_nsb ip -6 addr del ${NSB_IP6}/64 dev ${NSB_DEV} + run_cmd_nsb ip -6 ro add ${NSA_IP6}/128 dev ${NSB_DEV} + log_start + run_cmd nettest -6 -s -D & + sleep 1 + run_cmd_nsb nettest -6 -D -r ${NSA_IP6} + log_test $? 0 "UDP in - LLA to GUA" + + run_cmd_nsb ip -6 ro del ${NSA_IP6}/128 dev ${NSB_DEV} + run_cmd_nsb ip -6 addr add ${NSB_IP6}/64 dev ${NSB_DEV} nodad +} + +ipv6_udp() +{ + # should not matter, but set to known state + set_sysctl net.ipv4.udp_early_demux=1 + + log_section "IPv6/UDP" + log_subsection "No VRF" + setup + + # udp_l3mdev_accept should have no affect without VRF; + # run tests with it enabled and disabled to verify + log_subsection "udp_l3mdev_accept disabled" + set_sysctl net.ipv4.udp_l3mdev_accept=0 + ipv6_udp_novrf + log_subsection "udp_l3mdev_accept enabled" + set_sysctl net.ipv4.udp_l3mdev_accept=1 + ipv6_udp_novrf + + log_subsection "With VRF" + setup "yes" + ipv6_udp_vrf +} + +################################################################################ +# IPv6 address bind + +ipv6_addr_bind_novrf() +{ + # + # raw socket + # + for a in ${NSA_IP6} ${NSA_LO_IP6} + do + log_start + run_cmd nettest -6 -s -R -P ipv6-icmp -l ${a} -b + log_test_addr ${a} $? 0 "Raw socket bind to local address" + + log_start + run_cmd nettest -6 -s -R -P ipv6-icmp -l ${a} -I ${NSA_DEV} -b + log_test_addr ${a} $? 0 "Raw socket bind to local address after device bind" + done + + # + # raw socket with nonlocal bind + # + a=${NL_IP6} + log_start + run_cmd nettest -6 -s -R -P icmp -f -l ${a} -I ${NSA_DEV} -b + log_test_addr ${a} $? 0 "Raw socket bind to nonlocal address" + + # + # tcp sockets + # + a=${NSA_IP6} + log_start + run_cmd nettest -6 -s -l ${a} -t1 -b + log_test_addr ${a} $? 0 "TCP socket bind to local address" + + log_start + run_cmd nettest -6 -s -l ${a} -I ${NSA_DEV} -t1 -b + log_test_addr ${a} $? 0 "TCP socket bind to local address after device bind" + + # Sadly, the kernel allows binding a socket to a device and then + # binding to an address not on the device. So this test passes + # when it really should not + a=${NSA_LO_IP6} + log_start + show_hint "Tecnically should fail since address is not on device but kernel allows" + run_cmd nettest -6 -s -l ${a} -I ${NSA_DEV} -t1 -b + log_test_addr ${a} $? 0 "TCP socket bind to out of scope local address" +} + +ipv6_addr_bind_vrf() +{ + # + # raw socket + # + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -s -R -P ipv6-icmp -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 0 "Raw socket bind to local address after vrf bind" + + log_start + run_cmd nettest -6 -s -R -P ipv6-icmp -l ${a} -I ${NSA_DEV} -b + log_test_addr ${a} $? 0 "Raw socket bind to local address after device bind" + done + + a=${NSA_LO_IP6} + log_start + show_hint "Address on loopback is out of VRF scope" + run_cmd nettest -6 -s -R -P ipv6-icmp -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 1 "Raw socket bind to invalid local address after vrf bind" + + # + # raw socket with nonlocal bind + # + a=${NL_IP6} + log_start + run_cmd nettest -6 -s -R -P icmp -f -l ${a} -I ${VRF} -b + log_test_addr ${a} $? 0 "Raw socket bind to nonlocal address after VRF bind" + + # + # tcp sockets + # + # address on enslaved device is valid for the VRF or device in a VRF + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -s -l ${a} -I ${VRF} -t1 -b + log_test_addr ${a} $? 0 "TCP socket bind to local address with VRF bind" + done + + a=${NSA_IP6} + log_start + run_cmd nettest -6 -s -l ${a} -I ${NSA_DEV} -t1 -b + log_test_addr ${a} $? 0 "TCP socket bind to local address with device bind" + + # Sadly, the kernel allows binding a socket to a device and then + # binding to an address not on the device. The only restriction + # is that the address is valid in the L3 domain. So this test + # passes when it really should not + a=${VRF_IP6} + log_start + show_hint "Tecnically should fail since address is not on device but kernel allows" + run_cmd nettest -6 -s -l ${a} -I ${NSA_DEV} -t1 -b + log_test_addr ${a} $? 0 "TCP socket bind to VRF address with device bind" + + a=${NSA_LO_IP6} + log_start + show_hint "Address on loopback out of scope for VRF" + run_cmd nettest -6 -s -l ${a} -I ${VRF} -t1 -b + log_test_addr ${a} $? 1 "TCP socket bind to invalid local address for VRF" + + log_start + show_hint "Address on loopback out of scope for device in VRF" + run_cmd nettest -6 -s -l ${a} -I ${NSA_DEV} -t1 -b + log_test_addr ${a} $? 1 "TCP socket bind to invalid local address for device bind" + +} + +ipv6_addr_bind() +{ + log_section "IPv6 address binds" + + log_subsection "No VRF" + setup + ipv6_addr_bind_novrf + + log_subsection "With VRF" + setup "yes" + ipv6_addr_bind_vrf +} + +################################################################################ +# IPv6 runtime tests + +ipv6_rt() +{ + local desc="$1" + local varg="-6 $2" + local with_vrf="yes" + local a + + # + # server tests + # + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest ${varg} -s & + sleep 1 + run_cmd_nsb nettest ${varg} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, global server" + + setup ${with_vrf} + done + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest ${varg} -I ${VRF} -s & + sleep 1 + run_cmd_nsb nettest ${varg} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, VRF server" + + setup ${with_vrf} + done + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest ${varg} -I ${NSA_DEV} -s & + sleep 1 + run_cmd_nsb nettest ${varg} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, enslaved device server" + + setup ${with_vrf} + done + + # + # client test + # + log_start + run_cmd_nsb nettest ${varg} -s & + sleep 1 + run_cmd nettest ${varg} -d ${VRF} -r ${NSB_IP6} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test 0 0 "${desc}, VRF client" + + setup ${with_vrf} + + log_start + run_cmd_nsb nettest ${varg} -s & + sleep 1 + run_cmd nettest ${varg} -d ${NSA_DEV} -r ${NSB_IP6} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test 0 0 "${desc}, enslaved device client" + + setup ${with_vrf} + + + # + # local address tests + # + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest ${varg} -s & + sleep 1 + run_cmd nettest ${varg} -d ${VRF} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, global server, VRF client" + + setup ${with_vrf} + done + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest ${varg} -I ${VRF} -s & + sleep 1 + run_cmd nettest ${varg} -d ${VRF} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, VRF server and client" + + setup ${with_vrf} + done + + a=${NSA_IP6} + log_start + run_cmd nettest ${varg} -s & + sleep 1 + run_cmd nettest ${varg} -d ${NSA_DEV} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, global server, device client" + + setup ${with_vrf} + + log_start + run_cmd nettest ${varg} -I ${VRF} -s & + sleep 1 + run_cmd nettest ${varg} -d ${NSA_DEV} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, VRF server, device client" + + setup ${with_vrf} + + log_start + run_cmd nettest ${varg} -I ${NSA_DEV} -s & + sleep 1 + run_cmd nettest ${varg} -d ${NSA_DEV} -r ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "${desc}, device server, device client" +} + +ipv6_ping_rt() +{ + local with_vrf="yes" + local a + + a=${NSA_IP6} + log_start + run_cmd_nsb ${ping6} -f ${a} & + sleep 3 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "Device delete with active traffic - ping in" + + setup ${with_vrf} + + log_start + run_cmd ${ping6} -f ${NSB_IP6} -I ${VRF} & + sleep 1 + run_cmd ip link del ${VRF} + sleep 1 + log_test_addr ${a} 0 0 "Device delete with active traffic - ping out" +} + +ipv6_runtime() +{ + log_section "Run time tests - ipv6" + + setup "yes" + ipv6_ping_rt + + setup "yes" + ipv6_rt "TCP active socket" "-n -1" + + setup "yes" + ipv6_rt "TCP passive socket" "-i" + + setup "yes" + ipv6_rt "UDP active socket" "-D -n -1" +} + +################################################################################ +# netfilter blocking connections + +netfilter_tcp_reset() +{ + local a + + for a in ${NSA_IP} ${VRF_IP} + do + log_start + run_cmd nettest -s & + sleep 1 + run_cmd_nsb nettest -r ${a} + log_test_addr ${a} $? 1 "Global server, reject with TCP-reset on Rx" + done +} + +netfilter_icmp() +{ + local stype="$1" + local arg + local a + + [ "${stype}" = "UDP" ] && arg="-D" + + for a in ${NSA_IP} ${VRF_IP} + do + log_start + run_cmd nettest ${arg} -s & + sleep 1 + run_cmd_nsb nettest ${arg} -r ${a} + log_test_addr ${a} $? 1 "Global ${stype} server, Rx reject icmp-port-unreach" + done +} + +ipv4_netfilter() +{ + log_section "IPv4 Netfilter" + log_subsection "TCP reset" + + setup "yes" + run_cmd iptables -A INPUT -p tcp --dport 12345 -j REJECT --reject-with tcp-reset + + netfilter_tcp_reset + + log_start + log_subsection "ICMP unreachable" + + log_start + run_cmd iptables -F + run_cmd iptables -A INPUT -p tcp --dport 12345 -j REJECT --reject-with icmp-port-unreachable + run_cmd iptables -A INPUT -p udp --dport 12345 -j REJECT --reject-with icmp-port-unreachable + + netfilter_icmp "TCP" + netfilter_icmp "UDP" + + log_start + iptables -F +} + +netfilter_tcp6_reset() +{ + local a + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -s & + sleep 1 + run_cmd_nsb nettest -6 -r ${a} + log_test_addr ${a} $? 1 "Global server, reject with TCP-reset on Rx" + done +} + +netfilter_icmp6() +{ + local stype="$1" + local arg + local a + + [ "${stype}" = "UDP" ] && arg="$arg -D" + + for a in ${NSA_IP6} ${VRF_IP6} + do + log_start + run_cmd nettest -6 -s ${arg} & + sleep 1 + run_cmd_nsb nettest -6 ${arg} -r ${a} + log_test_addr ${a} $? 1 "Global ${stype} server, Rx reject icmp-port-unreach" + done +} + +ipv6_netfilter() +{ + log_section "IPv6 Netfilter" + log_subsection "TCP reset" + + setup "yes" + run_cmd ip6tables -A INPUT -p tcp --dport 12345 -j REJECT --reject-with tcp-reset + + netfilter_tcp6_reset + + log_subsection "ICMP unreachable" + + log_start + run_cmd ip6tables -F + run_cmd ip6tables -A INPUT -p tcp --dport 12345 -j REJECT --reject-with icmp6-port-unreachable + run_cmd ip6tables -A INPUT -p udp --dport 12345 -j REJECT --reject-with icmp6-port-unreachable + + netfilter_icmp6 "TCP" + netfilter_icmp6 "UDP" + + log_start + ip6tables -F +} + +################################################################################ +# specific use cases + +# VRF only. +# ns-A device enslaved to bridge. Verify traffic with and without +# br_netfilter module loaded. Repeat with SVI on bridge. +use_case_br() +{ + setup "yes" + + setup_cmd ip link set ${NSA_DEV} down + setup_cmd ip addr del dev ${NSA_DEV} ${NSA_IP}/24 + setup_cmd ip -6 addr del dev ${NSA_DEV} ${NSA_IP6}/64 + + setup_cmd ip link add br0 type bridge + setup_cmd ip addr add dev br0 ${NSA_IP}/24 + setup_cmd ip -6 addr add dev br0 ${NSA_IP6}/64 nodad + + setup_cmd ip li set ${NSA_DEV} master br0 + setup_cmd ip li set ${NSA_DEV} up + setup_cmd ip li set br0 up + setup_cmd ip li set br0 vrf ${VRF} + + rmmod br_netfilter 2>/dev/null + sleep 5 # DAD + + run_cmd ip neigh flush all + run_cmd ping -c1 -w1 -I br0 ${NSB_IP} + log_test $? 0 "Bridge into VRF - IPv4 ping out" + + run_cmd ip neigh flush all + run_cmd ${ping6} -c1 -w1 -I br0 ${NSB_IP6} + log_test $? 0 "Bridge into VRF - IPv6 ping out" + + run_cmd ip neigh flush all + run_cmd_nsb ping -c1 -w1 ${NSA_IP} + log_test $? 0 "Bridge into VRF - IPv4 ping in" + + run_cmd ip neigh flush all + run_cmd_nsb ${ping6} -c1 -w1 ${NSA_IP6} + log_test $? 0 "Bridge into VRF - IPv6 ping in" + + modprobe br_netfilter + if [ $? -eq 0 ]; then + run_cmd ip neigh flush all + run_cmd ping -c1 -w1 -I br0 ${NSB_IP} + log_test $? 0 "Bridge into VRF with br_netfilter - IPv4 ping out" + + run_cmd ip neigh flush all + run_cmd ${ping6} -c1 -w1 -I br0 ${NSB_IP6} + log_test $? 0 "Bridge into VRF with br_netfilter - IPv6 ping out" + + run_cmd ip neigh flush all + run_cmd_nsb ping -c1 -w1 ${NSA_IP} + log_test $? 0 "Bridge into VRF with br_netfilter - IPv4 ping in" + + run_cmd ip neigh flush all + run_cmd_nsb ${ping6} -c1 -w1 ${NSA_IP6} + log_test $? 0 "Bridge into VRF with br_netfilter - IPv6 ping in" + fi + + setup_cmd ip li set br0 nomaster + setup_cmd ip li add br0.100 link br0 type vlan id 100 + setup_cmd ip li set br0.100 vrf ${VRF} up + setup_cmd ip addr add dev br0.100 172.16.101.1/24 + setup_cmd ip -6 addr add dev br0.100 2001:db8:101::1/64 nodad + + setup_cmd_nsb ip li add vlan100 link ${NSB_DEV} type vlan id 100 + setup_cmd_nsb ip addr add dev vlan100 172.16.101.2/24 + setup_cmd_nsb ip -6 addr add dev vlan100 2001:db8:101::2/64 nodad + setup_cmd_nsb ip li set vlan100 up + sleep 1 + + rmmod br_netfilter 2>/dev/null + + run_cmd ip neigh flush all + run_cmd ping -c1 -w1 -I br0.100 172.16.101.2 + log_test $? 0 "Bridge vlan into VRF - IPv4 ping out" + + run_cmd ip neigh flush all + run_cmd ${ping6} -c1 -w1 -I br0.100 2001:db8:101::2 + log_test $? 0 "Bridge vlan into VRF - IPv6 ping out" + + run_cmd ip neigh flush all + run_cmd_nsb ping -c1 -w1 172.16.101.1 + log_test $? 0 "Bridge vlan into VRF - IPv4 ping in" + + run_cmd ip neigh flush all + run_cmd_nsb ${ping6} -c1 -w1 2001:db8:101::1 + log_test $? 0 "Bridge vlan into VRF - IPv6 ping in" + + modprobe br_netfilter + if [ $? -eq 0 ]; then + run_cmd ip neigh flush all + run_cmd ping -c1 -w1 -I br0.100 172.16.101.2 + log_test $? 0 "Bridge vlan into VRF with br_netfilter - IPv4 ping out" + + run_cmd ip neigh flush all + run_cmd ${ping6} -c1 -w1 -I br0.100 2001:db8:101::2 + log_test $? 0 "Bridge vlan into VRF with br_netfilter - IPv6 ping out" + + run_cmd ip neigh flush all + run_cmd_nsb ping -c1 -w1 172.16.101.1 + log_test $? 0 "Bridge vlan into VRF - IPv4 ping in" + + run_cmd ip neigh flush all + run_cmd_nsb ${ping6} -c1 -w1 2001:db8:101::1 + log_test $? 0 "Bridge vlan into VRF - IPv6 ping in" + fi + + setup_cmd ip li del br0 2>/dev/null + setup_cmd_nsb ip li del vlan100 2>/dev/null +} + +# VRF only. +# ns-A device is connected to both ns-B and ns-C on a single VRF but only has +# LLA on the interfaces +use_case_ping_lla_multi() +{ + setup_lla_only + # only want reply from ns-A + setup_cmd_nsb sysctl -qw net.ipv6.icmp.echo_ignore_multicast=1 + setup_cmd_nsc sysctl -qw net.ipv6.icmp.echo_ignore_multicast=1 + + log_start + run_cmd_nsb ping -c1 -w1 ${MCAST}%${NSB_DEV} + log_test_addr ${MCAST}%${NSB_DEV} $? 0 "Pre cycle, ping out ns-B" + + run_cmd_nsc ping -c1 -w1 ${MCAST}%${NSC_DEV} + log_test_addr ${MCAST}%${NSC_DEV} $? 0 "Pre cycle, ping out ns-C" + + # cycle/flap the first ns-A interface + setup_cmd ip link set ${NSA_DEV} down + setup_cmd ip link set ${NSA_DEV} up + sleep 1 + + log_start + run_cmd_nsb ping -c1 -w1 ${MCAST}%${NSB_DEV} + log_test_addr ${MCAST}%${NSB_DEV} $? 0 "Post cycle ${NSA} ${NSA_DEV}, ping out ns-B" + run_cmd_nsc ping -c1 -w1 ${MCAST}%${NSC_DEV} + log_test_addr ${MCAST}%${NSC_DEV} $? 0 "Post cycle ${NSA} ${NSA_DEV}, ping out ns-C" + + # cycle/flap the second ns-A interface + setup_cmd ip link set ${NSA_DEV2} down + setup_cmd ip link set ${NSA_DEV2} up + sleep 1 + + log_start + run_cmd_nsb ping -c1 -w1 ${MCAST}%${NSB_DEV} + log_test_addr ${MCAST}%${NSB_DEV} $? 0 "Post cycle ${NSA} ${NSA_DEV2}, ping out ns-B" + run_cmd_nsc ping -c1 -w1 ${MCAST}%${NSC_DEV} + log_test_addr ${MCAST}%${NSC_DEV} $? 0 "Post cycle ${NSA} ${NSA_DEV2}, ping out ns-C" +} + +# Perform IPv{4,6} SNAT on ns-A, and verify TCP connection is successfully +# established with ns-B. +use_case_snat_on_vrf() +{ + setup "yes" + + local port="12345" + + run_cmd iptables -t nat -A POSTROUTING -p tcp -m tcp --dport ${port} -j SNAT --to-source ${NSA_LO_IP} -o ${VRF} + run_cmd ip6tables -t nat -A POSTROUTING -p tcp -m tcp --dport ${port} -j SNAT --to-source ${NSA_LO_IP6} -o ${VRF} + + run_cmd_nsb nettest -s -l ${NSB_IP} -p ${port} & + sleep 1 + run_cmd nettest -d ${VRF} -r ${NSB_IP} -p ${port} + log_test $? 0 "IPv4 TCP connection over VRF with SNAT" + + run_cmd_nsb nettest -6 -s -l ${NSB_IP6} -p ${port} & + sleep 1 + run_cmd nettest -6 -d ${VRF} -r ${NSB_IP6} -p ${port} + log_test $? 0 "IPv6 TCP connection over VRF with SNAT" + + # Cleanup + run_cmd iptables -t nat -D POSTROUTING -p tcp -m tcp --dport ${port} -j SNAT --to-source ${NSA_LO_IP} -o ${VRF} + run_cmd ip6tables -t nat -D POSTROUTING -p tcp -m tcp --dport ${port} -j SNAT --to-source ${NSA_LO_IP6} -o ${VRF} +} + +use_cases() +{ + log_section "Use cases" + log_subsection "Device enslaved to bridge" + use_case_br + log_subsection "Ping LLA with multiple interfaces" + use_case_ping_lla_multi + log_subsection "SNAT on VRF" + use_case_snat_on_vrf +} + +################################################################################ +# usage + +usage() +{ + cat <<EOF +usage: ${0##*/} OPTS + + -4 IPv4 tests only + -6 IPv6 tests only + -t <test> Test name/set to run + -p Pause on fail + -P Pause after each test + -v Be verbose + +Tests: + $TESTS_IPV4 $TESTS_IPV6 $TESTS_OTHER +EOF +} + +################################################################################ +# main + +TESTS_IPV4="ipv4_ping ipv4_tcp ipv4_udp ipv4_bind ipv4_runtime ipv4_netfilter" +TESTS_IPV6="ipv6_ping ipv6_tcp ipv6_udp ipv6_bind ipv6_runtime ipv6_netfilter" +TESTS_OTHER="use_cases" + +PAUSE_ON_FAIL=no +PAUSE=no + +while getopts :46t:pPvh o +do + case $o in + 4) TESTS=ipv4;; + 6) TESTS=ipv6;; + t) TESTS=$OPTARG;; + p) PAUSE_ON_FAIL=yes;; + P) PAUSE=yes;; + v) VERBOSE=1;; + h) usage; exit 0;; + *) usage; exit 1;; + esac +done + +# make sure we don't pause twice +[ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no + +# +# show user test config +# +if [ -z "$TESTS" ]; then + TESTS="$TESTS_IPV4 $TESTS_IPV6 $TESTS_OTHER" +elif [ "$TESTS" = "ipv4" ]; then + TESTS="$TESTS_IPV4" +elif [ "$TESTS" = "ipv6" ]; then + TESTS="$TESTS_IPV6" +fi + +# nettest can be run from PATH or from same directory as this selftest +if ! which nettest >/dev/null; then + PATH=$PWD:$PATH + if ! which nettest >/dev/null; then + echo "'nettest' command not found; skipping tests" + exit $ksft_skip + fi +fi + +declare -i nfail=0 +declare -i nsuccess=0 + +for t in $TESTS +do + case $t in + ipv4_ping|ping) ipv4_ping;; + ipv4_tcp|tcp) ipv4_tcp;; + ipv4_udp|udp) ipv4_udp;; + ipv4_bind|bind) ipv4_addr_bind;; + ipv4_runtime) ipv4_runtime;; + ipv4_netfilter) ipv4_netfilter;; + + ipv6_ping|ping6) ipv6_ping;; + ipv6_tcp|tcp6) ipv6_tcp;; + ipv6_udp|udp6) ipv6_udp;; + ipv6_bind|bind6) ipv6_addr_bind;; + ipv6_runtime) ipv6_runtime;; + ipv6_netfilter) ipv6_netfilter;; + + use_cases) use_cases;; + + # setup namespaces and config, but do not run any tests + setup) setup; exit 0;; + vrf_setup) setup "yes"; exit 0;; + esac +done + +cleanup 2>/dev/null + +printf "\nTests passed: %3d\n" ${nsuccess} +printf "Tests failed: %3d\n" ${nfail} + +if [ $nfail -ne 0 ]; then + exit 1 # KSFT_FAIL +elif [ $nsuccess -eq 0 ]; then + exit $ksft_skip +fi + +exit 0 # KSFT_PASS |