#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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function config_device {
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ip netns add at_ns0
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ip link add veth0 type veth peer name veth0b
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ip link set veth0b up
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ip link set veth0 netns at_ns0
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ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0
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ip netns exec at_ns0 ip addr add 2401:db00::1/64 dev veth0 nodad
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ip netns exec at_ns0 ip link set dev veth0 up
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ip addr add 172.16.1.101/24 dev veth0b
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ip addr add 2401:db00::2/64 dev veth0b nodad
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}
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function config_cgroup {
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rm -rf /tmp/cgroupv2
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mkdir -p /tmp/cgroupv2
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mount -t cgroup2 none /tmp/cgroupv2
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mkdir -p /tmp/cgroupv2/foo
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echo $$ >> /tmp/cgroupv2/foo/cgroup.procs
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}
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function attach_bpf {
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test_cgrp2_sock2 /tmp/cgroupv2/foo sock_flags_kern.o $1
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[ $? -ne 0 ] && exit 1
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}
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function cleanup {
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if [ -d /tmp/cgroupv2/foo ]; then
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test_cgrp2_sock -d /tmp/cgroupv2/foo
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fi
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ip link del veth0b
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ip netns delete at_ns0
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umount /tmp/cgroupv2
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rm -rf /tmp/cgroupv2
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}
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cleanup 2>/dev/null
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set -e
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config_device
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config_cgroup
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set +e
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#
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# Test 1 - fail ping6
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#
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attach_bpf 0
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ping -c1 -w1 172.16.1.100
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if [ $? -ne 0 ]; then
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echo "ping failed when it should succeed"
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cleanup
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exit 1
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fi
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ping6 -c1 -w1 2401:db00::1
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if [ $? -eq 0 ]; then
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echo "ping6 succeeded when it should not"
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cleanup
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exit 1
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fi
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#
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# Test 2 - fail ping
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#
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attach_bpf 1
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ping6 -c1 -w1 2401:db00::1
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if [ $? -ne 0 ]; then
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echo "ping6 failed when it should succeed"
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cleanup
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exit 1
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fi
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ping -c1 -w1 172.16.1.100
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if [ $? -eq 0 ]; then
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echo "ping succeeded when it should not"
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cleanup
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exit 1
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fi
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cleanup
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echo
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echo "*** PASS ***"
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