^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) #!/bin/bash
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) # SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) # Run traceroute/traceroute6 tests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) VERBOSE=0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) PAUSE_ON_FAIL=no
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) ################################################################################
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) log_test()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) local rc=$1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) local expected=$2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) local msg="$3"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) if [ ${rc} -eq ${expected} ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) printf "TEST: %-60s [ OK ]\n" "${msg}"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) nsuccess=$((nsuccess+1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) ret=1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) nfail=$((nfail+1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) printf "TEST: %-60s [FAIL]\n" "${msg}"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) echo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) echo "hit enter to continue, 'q' to quit"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) read a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) [ "$a" = "q" ] && exit 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) run_cmd()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) local ns
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) local cmd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) local out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) local rc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) ns="$1"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) shift
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) cmd="$*"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) if [ "$VERBOSE" = "1" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) printf " COMMAND: $cmd\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) out=$(eval ip netns exec ${ns} ${cmd} 2>&1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) rc=$?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if [ "$VERBOSE" = "1" -a -n "$out" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) echo " $out"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) [ "$VERBOSE" = "1" ] && echo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) return $rc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) ################################################################################
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) # create namespaces and interconnects
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) create_ns()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) local ns=$1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) local addr=$2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) local addr6=$3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) [ -z "${addr}" ] && addr="-"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) [ -z "${addr6}" ] && addr6="-"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) ip netns add ${ns}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) ip netns exec ${ns} ip link set lo up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if [ "${addr}" != "-" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) ip netns exec ${ns} ip addr add dev lo ${addr}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) if [ "${addr6}" != "-" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) ip netns exec ${ns} ip -6 addr add dev lo ${addr6}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) ip netns exec ${ns} ip ro add unreachable default metric 8192
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) ip netns exec ${ns} ip -6 ro add unreachable default metric 8192
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) ip netns exec ${ns} sysctl -qw net.ipv4.ip_forward=1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) ip netns exec ${ns} sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) ip netns exec ${ns} sysctl -qw net.ipv6.conf.all.forwarding=1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) ip netns exec ${ns} sysctl -qw net.ipv6.conf.default.forwarding=1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) ip netns exec ${ns} sysctl -qw net.ipv6.conf.default.accept_dad=0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) # create veth pair to connect namespaces and apply addresses.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) connect_ns()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) local ns1=$1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) local ns1_dev=$2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) local ns1_addr=$3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) local ns1_addr6=$4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) local ns2=$5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) local ns2_dev=$6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) local ns2_addr=$7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) local ns2_addr6=$8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) ip netns exec ${ns1} ip li add ${ns1_dev} type veth peer name tmp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) ip netns exec ${ns1} ip li set ${ns1_dev} up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) ip netns exec ${ns1} ip li set tmp netns ${ns2} name ${ns2_dev}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) ip netns exec ${ns2} ip li set ${ns2_dev} up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) if [ "${ns1_addr}" != "-" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) ip netns exec ${ns1} ip addr add dev ${ns1_dev} ${ns1_addr}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) if [ "${ns2_addr}" != "-" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) ip netns exec ${ns2} ip addr add dev ${ns2_dev} ${ns2_addr}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) if [ "${ns1_addr6}" != "-" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) ip netns exec ${ns1} ip addr add dev ${ns1_dev} ${ns1_addr6}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) if [ "${ns2_addr6}" != "-" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) ip netns exec ${ns2} ip addr add dev ${ns2_dev} ${ns2_addr6}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) ################################################################################
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) # traceroute6 test
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) # Verify that in this scenario
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) # ------------------------ N2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) # | |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) # ------ ------ N3 ----
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) # | R1 | | R2 |------|H2|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) # ------ ------ ----
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) # | |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) # ------------------------ N1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) # |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) # ----
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) # |H1|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) # ----
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) # where H1's default route goes through R1 and R1's default route goes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) # through R2 over N2, traceroute6 from H1 to H2 reports R2's address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) # on N2 and not N1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) # Addresses are assigned as follows:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) # N1: 2000:101::/64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) # N2: 2000:102::/64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) # N3: 2000:103::/64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) # R1's host part of address: 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) # R2's host part of address: 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) # H1's host part of address: 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) # H2's host part of address: 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) # For example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) # the IPv6 address of R1's interface on N2 is 2000:102::1/64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) cleanup_traceroute6()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) local ns
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) for ns in host-1 host-2 router-1 router-2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) ip netns del ${ns} 2>/dev/null
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) setup_traceroute6()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) brdev=br0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) # start clean
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) cleanup_traceroute6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) set -e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) create_ns host-1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) create_ns host-2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) create_ns router-1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) create_ns router-2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) # Setup N3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) connect_ns router-2 eth3 - 2000:103::2/64 host-2 eth3 - 2000:103::4/64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) ip netns exec host-2 ip route add default via 2000:103::2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) # Setup N2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) connect_ns router-1 eth2 - 2000:102::1/64 router-2 eth2 - 2000:102::2/64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) ip netns exec router-1 ip route add default via 2000:102::2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) # Setup N1. host-1 and router-2 connect to a bridge in router-1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) ip netns exec router-1 ip link add name ${brdev} type bridge
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) ip netns exec router-1 ip link set ${brdev} up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) ip netns exec router-1 ip addr add 2000:101::1/64 dev ${brdev}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) connect_ns host-1 eth0 - 2000:101::3/64 router-1 eth0 - -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) ip netns exec router-1 ip link set dev eth0 master ${brdev}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) ip netns exec host-1 ip route add default via 2000:101::1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) connect_ns router-2 eth1 - 2000:101::2/64 router-1 eth1 - -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) ip netns exec router-1 ip link set dev eth1 master ${brdev}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) # Prime the network
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) ip netns exec host-1 ping6 -c5 2000:103::4 >/dev/null 2>&1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) set +e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) run_traceroute6()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) if [ ! -x "$(command -v traceroute6)" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) echo "SKIP: Could not run IPV6 test without traceroute6"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) setup_traceroute6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) # traceroute6 host-2 from host-1 (expects 2000:102::2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) run_cmd host-1 "traceroute6 2000:103::4 | grep -q 2000:102::2"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) log_test $? 0 "IPV6 traceroute"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) cleanup_traceroute6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) ################################################################################
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) # traceroute test
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) # Verify that traceroute from H1 to H2 shows 1.0.1.1 in this scenario
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) # 1.0.3.1/24
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) # ---- 1.0.1.3/24 1.0.1.1/24 ---- 1.0.2.1/24 1.0.2.4/24 ----
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) # |H1|--------------------------|R1|--------------------------|H2|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) # ---- N1 ---- N2 ----
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) # where net.ipv4.icmp_errors_use_inbound_ifaddr is set on R1 and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) # 1.0.3.1/24 and 1.0.1.1/24 are respectively R1's primary and secondary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) # address on N1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) cleanup_traceroute()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) local ns
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) for ns in host-1 host-2 router
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) ip netns del ${ns} 2>/dev/null
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) setup_traceroute()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) # start clean
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) cleanup_traceroute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) set -e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) create_ns host-1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) create_ns host-2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) create_ns router
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) connect_ns host-1 eth0 1.0.1.3/24 - \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) router eth1 1.0.3.1/24 -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) ip netns exec host-1 ip route add default via 1.0.1.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) ip netns exec router ip addr add 1.0.1.1/24 dev eth1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) ip netns exec router sysctl -qw \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) net.ipv4.icmp_errors_use_inbound_ifaddr=1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) connect_ns host-2 eth0 1.0.2.4/24 - \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) router eth2 1.0.2.1/24 -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) ip netns exec host-2 ip route add default via 1.0.2.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) # Prime the network
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) ip netns exec host-1 ping -c5 1.0.2.4 >/dev/null 2>&1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) set +e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) run_traceroute()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) if [ ! -x "$(command -v traceroute)" ]; then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) echo "SKIP: Could not run IPV4 test without traceroute"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) fi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) setup_traceroute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) # traceroute host-2 from host-1 (expects 1.0.1.1). Takes a while.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) run_cmd host-1 "traceroute 1.0.2.4 | grep -q 1.0.1.1"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) log_test $? 0 "IPV4 traceroute"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) cleanup_traceroute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) ################################################################################
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) # Run tests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) run_tests()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) run_traceroute6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) run_traceroute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) ################################################################################
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) # main
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) declare -i nfail=0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) declare -i nsuccess=0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) while getopts :pv o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) case $o in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) p) PAUSE_ON_FAIL=yes;;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) v) VERBOSE=$(($VERBOSE + 1));;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) *) exit 1;;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) esac
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) run_tests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) printf "\nTests passed: %3d\n" ${nsuccess}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) printf "Tests failed: %3d\n" ${nfail}
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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