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237 lines
5.0 KiB
237 lines
5.0 KiB
#!/bin/bash |
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# SPDX-License-Identifier: GPL-2.0 |
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ALL_TESTS="ping_ipv4" |
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NUM_NETIFS=6 |
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source lib.sh |
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h1_create() |
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{ |
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vrf_create "vrf-h1" |
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ip link set dev $h1 master vrf-h1 |
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ip link set dev vrf-h1 up |
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ip link set dev $h1 up |
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ip address add 192.0.2.2/24 dev $h1 |
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ip route add 198.51.100.0/24 vrf vrf-h1 nexthop via 192.0.2.1 |
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ip route add 198.51.200.0/24 vrf vrf-h1 nexthop via 192.0.2.1 |
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} |
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h1_destroy() |
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{ |
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ip route del 198.51.200.0/24 vrf vrf-h1 |
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ip route del 198.51.100.0/24 vrf vrf-h1 |
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ip address del 192.0.2.2/24 dev $h1 |
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ip link set dev $h1 down |
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vrf_destroy "vrf-h1" |
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} |
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h2_create() |
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{ |
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vrf_create "vrf-h2" |
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ip link set dev $h2 master vrf-h2 |
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ip link set dev vrf-h2 up |
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ip link set dev $h2 up |
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ip address add 198.51.100.2/24 dev $h2 |
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ip route add 192.0.2.0/24 vrf vrf-h2 nexthop via 198.51.100.1 |
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ip route add 198.51.200.0/24 vrf vrf-h2 nexthop via 198.51.100.1 |
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} |
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h2_destroy() |
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{ |
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ip route del 198.51.200.0/24 vrf vrf-h2 |
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ip route del 192.0.2.0/24 vrf vrf-h2 |
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ip address del 198.51.100.2/24 dev $h2 |
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ip link set dev $h2 down |
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vrf_destroy "vrf-h2" |
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} |
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h3_create() |
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{ |
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vrf_create "vrf-h3" |
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ip link set dev $h3 master vrf-h3 |
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ip link set dev vrf-h3 up |
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ip link set dev $h3 up |
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ip address add 198.51.200.2/24 dev $h3 |
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ip route add 192.0.2.0/24 vrf vrf-h3 nexthop via 198.51.200.1 |
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ip route add 198.51.100.0/24 vrf vrf-h3 nexthop via 198.51.200.1 |
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} |
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h3_destroy() |
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{ |
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ip route del 198.51.100.0/24 vrf vrf-h3 |
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ip route del 192.0.2.0/24 vrf vrf-h3 |
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ip address del 198.51.200.2/24 dev $h3 |
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ip link set dev $h3 down |
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vrf_destroy "vrf-h3" |
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} |
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router_create() |
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{ |
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ip link set dev $rp1 up |
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ip link set dev $rp2 up |
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ip link set dev $rp3 up |
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ip address add 192.0.2.1/24 dev $rp1 |
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ip address add 198.51.100.1/24 dev $rp2 |
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ip address add 198.51.200.1/24 dev $rp3 |
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} |
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router_destroy() |
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{ |
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ip address del 198.51.200.1/24 dev $rp3 |
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ip address del 198.51.100.1/24 dev $rp2 |
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ip address del 192.0.2.1/24 dev $rp1 |
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ip link set dev $rp3 down |
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ip link set dev $rp2 down |
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ip link set dev $rp1 down |
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} |
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setup_prepare() |
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{ |
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h1=${NETIFS[p1]} |
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rp1=${NETIFS[p2]} |
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rp2=${NETIFS[p3]} |
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h2=${NETIFS[p4]} |
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rp3=${NETIFS[p5]} |
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h3=${NETIFS[p6]} |
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vrf_prepare |
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h1_create |
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h2_create |
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h3_create |
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router_create |
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forwarding_enable |
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} |
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cleanup() |
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{ |
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pre_cleanup |
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forwarding_restore |
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router_destroy |
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h3_destroy |
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h2_destroy |
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h1_destroy |
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vrf_cleanup |
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} |
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bc_forwarding_disable() |
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{ |
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sysctl_set net.ipv4.conf.all.bc_forwarding 0 |
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sysctl_set net.ipv4.conf.$rp1.bc_forwarding 0 |
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sysctl_set net.ipv4.conf.$rp2.bc_forwarding 0 |
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} |
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bc_forwarding_enable() |
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{ |
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sysctl_set net.ipv4.conf.all.bc_forwarding 1 |
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sysctl_set net.ipv4.conf.$rp1.bc_forwarding 1 |
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sysctl_set net.ipv4.conf.$rp2.bc_forwarding 1 |
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} |
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bc_forwarding_restore() |
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{ |
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sysctl_restore net.ipv4.conf.$rp2.bc_forwarding |
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sysctl_restore net.ipv4.conf.$rp1.bc_forwarding |
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sysctl_restore net.ipv4.conf.all.bc_forwarding |
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} |
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ping_test_from() |
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{ |
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local oif=$1 |
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local dip=$2 |
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local from=$3 |
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local fail=${4:-0} |
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RET=0 |
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log_info "ping $dip, expected reply from $from" |
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ip vrf exec $(master_name_get $oif) \ |
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$PING -I $oif $dip -c 10 -i 0.1 -w $PING_TIMEOUT -b 2>&1 \ |
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| grep "bytes from $from" > /dev/null |
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check_err_fail $fail $? |
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} |
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ping_ipv4() |
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{ |
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sysctl_set net.ipv4.icmp_echo_ignore_broadcasts 0 |
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bc_forwarding_disable |
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log_info "bc_forwarding disabled on r1 =>" |
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ping_test_from $h1 198.51.100.255 192.0.2.1 |
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log_test "h1 -> net2: reply from r1 (not forwarding)" |
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ping_test_from $h1 198.51.200.255 192.0.2.1 |
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log_test "h1 -> net3: reply from r1 (not forwarding)" |
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ping_test_from $h1 192.0.2.255 192.0.2.1 |
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log_test "h1 -> net1: reply from r1 (not dropping)" |
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ping_test_from $h1 255.255.255.255 192.0.2.1 |
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log_test "h1 -> 255.255.255.255: reply from r1 (not forwarding)" |
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ping_test_from $h2 192.0.2.255 198.51.100.1 |
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log_test "h2 -> net1: reply from r1 (not forwarding)" |
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ping_test_from $h2 198.51.200.255 198.51.100.1 |
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log_test "h2 -> net3: reply from r1 (not forwarding)" |
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ping_test_from $h2 198.51.100.255 198.51.100.1 |
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log_test "h2 -> net2: reply from r1 (not dropping)" |
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ping_test_from $h2 255.255.255.255 198.51.100.1 |
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log_test "h2 -> 255.255.255.255: reply from r1 (not forwarding)" |
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bc_forwarding_restore |
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bc_forwarding_enable |
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log_info "bc_forwarding enabled on r1 =>" |
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ping_test_from $h1 198.51.100.255 198.51.100.2 |
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log_test "h1 -> net2: reply from h2 (forwarding)" |
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ping_test_from $h1 198.51.200.255 198.51.200.2 |
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log_test "h1 -> net3: reply from h3 (forwarding)" |
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ping_test_from $h1 192.0.2.255 192.0.2.1 1 |
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log_test "h1 -> net1: no reply (dropping)" |
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ping_test_from $h1 255.255.255.255 192.0.2.1 |
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log_test "h1 -> 255.255.255.255: reply from r1 (not forwarding)" |
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ping_test_from $h2 192.0.2.255 192.0.2.2 |
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log_test "h2 -> net1: reply from h1 (forwarding)" |
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ping_test_from $h2 198.51.200.255 198.51.200.2 |
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log_test "h2 -> net3: reply from h3 (forwarding)" |
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ping_test_from $h2 198.51.100.255 198.51.100.1 1 |
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log_test "h2 -> net2: no reply (dropping)" |
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ping_test_from $h2 255.255.255.255 198.51.100.1 |
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log_test "h2 -> 255.255.255.255: reply from r1 (not forwarding)" |
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bc_forwarding_restore |
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sysctl_restore net.ipv4.icmp_echo_ignore_broadcasts |
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} |
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trap cleanup EXIT |
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setup_prepare |
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setup_wait |
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tests_run |
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exit $EXIT_STATUS
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