samples/bpf/test_cgrp2_sock2.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 function 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
  16 function 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
  25 function attach_bpf {
  26         test_cgrp2_sock2 /tmp/cgroupv2/foo sock_flags_kern.o $1
  27         [ $? -ne 0 ] && exit 1
  28 }
  29
  30 function 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
  40 cleanup 2>/dev/null
  41
  42 set -e
  43 config_device
  44 config_cgroup
  45 set +e
  46
  47 #
  48 # Test 1 - fail ping6
  49 #
  50 attach_bpf 0
  51 ping -c1 -w1 172.16.1.100
  52 if [ $? -ne 0 ]; then
  53         echo "ping failed when it should succeed"
  54         cleanup
  55         exit 1
  56 fi
  57
  58 ping6 -c1 -w1 2401:db00::1
  59 if [ $? -eq 0 ]; then
  60         echo "ping6 succeeded when it should not"
  61         cleanup
  62         exit 1
  63 fi
  64
  65 #
  66 # Test 2 - fail ping
  67 #
  68 attach_bpf 1
  69 ping6 -c1 -w1 2401:db00::1
  70 if [ $? -ne 0 ]; then
  71         echo "ping6 failed when it should succeed"
  72         cleanup
  73         exit 1
  74 fi
  75
  76 ping -c1 -w1 172.16.1.100
  77 if [ $? -eq 0 ]; then
  78         echo "ping succeeded when it should not"
  79         cleanup
  80         exit 1
  81 fi
  82
  83 cleanup
  84 echo
  85 echo "*** PASS ***"