1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4function config_device {
5	ip netns add at_ns0
6	ip link add veth0 type veth peer name veth0b
7	ip link set veth0b up
8	ip link set veth0 netns at_ns0
9	ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0
10	ip netns exec at_ns0 ip addr add 2401:db00::1/64 dev veth0 nodad
11	ip netns exec at_ns0 ip link set dev veth0 up
12	ip addr add 172.16.1.101/24 dev veth0b
13	ip addr add 2401:db00::2/64 dev veth0b nodad
14}
15
16function config_cgroup {
17	rm -rf /tmp/cgroupv2
18	mkdir -p /tmp/cgroupv2
19	mount -t cgroup2 none /tmp/cgroupv2
20	mkdir -p /tmp/cgroupv2/foo
21	echo $$ >> /tmp/cgroupv2/foo/cgroup.procs
22}
23
24
25function attach_bpf {
26	test_cgrp2_sock2 /tmp/cgroupv2/foo sock_flags_kern.o $1
27	[ $? -ne 0 ] && exit 1
28}
29
30function cleanup {
31	if [ -d /tmp/cgroupv2/foo ]; then
32		test_cgrp2_sock -d /tmp/cgroupv2/foo
33	fi
34	ip link del veth0b
35	ip netns delete at_ns0
36	umount /tmp/cgroupv2
37	rm -rf /tmp/cgroupv2
38}
39
40cleanup 2>/dev/null
41
42set -e
43config_device
44config_cgroup
45set +e
46
47#
48# Test 1 - fail ping6
49#
50attach_bpf 0
51ping -c1 -w1 172.16.1.100
52if [ $? -ne 0 ]; then
53	echo "ping failed when it should succeed"
54	cleanup
55	exit 1
56fi
57
58ping6 -c1 -w1 2401:db00::1
59if [ $? -eq 0 ]; then
60	echo "ping6 succeeded when it should not"
61	cleanup
62	exit 1
63fi
64
65#
66# Test 2 - fail ping
67#
68attach_bpf 1
69ping6 -c1 -w1 2401:db00::1
70if [ $? -ne 0 ]; then
71	echo "ping6 failed when it should succeed"
72	cleanup
73	exit 1
74fi
75
76ping -c1 -w1 172.16.1.100
77if [ $? -eq 0 ]; then
78	echo "ping succeeded when it should not"
79	cleanup
80	exit 1
81fi
82
83cleanup
84echo
85echo "*** PASS ***"
86