tools/testing/selftests/net/altnames.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 lib_dir=$(dirname $0)/forwarding
   5
   6 ALL_TESTS="altnames_test"
   7 NUM_NETIFS=0
   8 source $lib_dir/lib.sh
   9
  10 DUMMY_DEV=dummytest
  11 SHORT_NAME=shortname
  12 LONG_NAME=someveryveryveryveryveryverylongname
  13
  14 altnames_test()
  15 {
  16         RET=0
  17         local output
  18         local name
  19
  20         ip link property add $DUMMY_DEV altname $SHORT_NAME
  21         check_err $? "Failed to add short alternative name"
  22
  23         output=$(ip -j -p link show $SHORT_NAME)
  24         check_err $? "Failed to do link show with short alternative name"
  25
  26         name=$(echo $output | jq -e -r ".[0].altnames[0]")
  27         check_err $? "Failed to get short alternative name from link show JSON"
  28
  29         [ "$name" == "$SHORT_NAME" ]
  30         check_err $? "Got unexpected short alternative name from link show JSON"
  31
  32         ip -j -p link show $DUMMY_DEV &>/dev/null
  33         check_err $? "Failed to do link show with original name"
  34
  35         ip link property add $DUMMY_DEV altname $LONG_NAME
  36         check_err $? "Failed to add long alternative name"
  37
  38         output=$(ip -j -p link show $LONG_NAME)
  39         check_err $? "Failed to do link show with long alternative name"
  40
  41         name=$(echo $output | jq -e -r ".[0].altnames[1]")
  42         check_err $? "Failed to get long alternative name from link show JSON"
  43
  44         [ "$name" == "$LONG_NAME" ]
  45         check_err $? "Got unexpected long alternative name from link show JSON"
  46
  47         ip link property del $DUMMY_DEV altname $SHORT_NAME
  48         check_err $? "Failed to add short alternative name"
  49
  50         ip -j -p link show $SHORT_NAME &>/dev/null
  51         check_fail $? "Unexpected success while trying to do link show with deleted short alternative name"
  52
  53         # long name is left there on purpose to be removed alongside the device
  54
  55         log_test "altnames test"
  56 }
  57
  58 setup_prepare()
  59 {
  60         ip link add name $DUMMY_DEV type dummy
  61 }
  62
  63 cleanup()
  64 {
  65         pre_cleanup
  66         ip link del name $DUMMY_DEV
  67 }
  68
  69 trap cleanup EXIT
  70
  71 setup_prepare
  72
  73 tests_run
  74
  75 exit $EXIT_STATUS