blob: 82acff93d73975ceac33ea953425677d2d825580 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
BPFFS=/sys/fs/bpf
MY_DIR=$(dirname $0)
TEST=$MY_DIR/test_cgrp2_sock2
LINK_PIN=$BPFFS/test_cgrp2_sock2
BPF_PROG=$MY_DIR/sock_flags.bpf.o
function config_device {
ip netns add at_ns0
ip link add veth0 type veth peer name veth0b
ip link set veth0 netns at_ns0
ip netns exec at_ns0 sysctl -q net.ipv6.conf.veth0.disable_ipv6=0
ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0
ip netns exec at_ns0 ip addr add 2401:db00::1/64 dev veth0 nodad
ip netns exec at_ns0 ip link set dev veth0 up
sysctl -q net.ipv6.conf.veth0b.disable_ipv6=0
ip addr add 172.16.1.101/24 dev veth0b
ip addr add 2401:db00::2/64 dev veth0b nodad
ip link set veth0b up
}
function config_cgroup {
rm -rf /tmp/cgroupv2
mkdir -p /tmp/cgroupv2
mount -t cgroup2 none /tmp/cgroupv2
mkdir -p /tmp/cgroupv2/foo
echo $$ >> /tmp/cgroupv2/foo/cgroup.procs
}
function config_bpffs {
if mount | grep $BPFFS > /dev/null; then
echo "bpffs already mounted"
else
echo "bpffs not mounted. Mounting..."
mount -t bpf none $BPFFS
fi
}
function attach_bpf {
$TEST /tmp/cgroupv2/foo $BPF_PROG $1
[ $? -ne 0 ] && exit 1
}
function cleanup {
rm -rf $LINK_PIN
ip link del veth0b
ip netns delete at_ns0
umount /tmp/cgroupv2
rm -rf /tmp/cgroupv2
}
cleanup 2>/dev/null
set -e
config_device
config_cgroup
config_bpffs
set +e
#
# Test 1 - fail ping6
#
attach_bpf 0
ping -c1 -w1 172.16.1.100
if [ $? -ne 0 ]; then
echo "ping failed when it should succeed"
cleanup
exit 1
fi
ping6 -c1 -w1 2401:db00::1
if [ $? -eq 0 ]; then
echo "ping6 succeeded when it should not"
cleanup
exit 1
fi
rm -rf $LINK_PIN
sleep 1 # Wait for link detach
#
# Test 2 - fail ping
#
attach_bpf 1
ping6 -c1 -w1 2401:db00::1
if [ $? -ne 0 ]; then
echo "ping6 failed when it should succeed"
cleanup
exit 1
fi
ping -c1 -w1 172.16.1.100
if [ $? -eq 0 ]; then
echo "ping succeeded when it should not"
cleanup
exit 1
fi
cleanup
echo
echo "*** PASS ***"
|
