usr/src/cmd/dtrace/test/tst/common/ip/tst.ipv4localicmp.ksh

   1 #!/usr/bin/ksh
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance with the License.
   8 #
   9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10 # or http://www.opensolaris.org/os/licensing.
  11 # See the License for the specific language governing permissions
  12 # and limitations under the License.
  13 #
  14 # When distributing Covered Code, include this CDDL HEADER in each
  15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16 # If applicable, add the following below this CDDL HEADER, with the
  17 # fields enclosed by brackets "[]" replaced with your own identifying
  18 # information: Portions Copyright [yyyy] [name of copyright owner]
  19 #
  20 # CDDL HEADER END
  21 #
  22
  23 #
  24 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  25 # Use is subject to license terms.
  26 #
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #
  30 # Test ip:::{send,receive} of IPv4 ICMP to a local address.
  31 #
  32 # This may fail due to:
  33 #
  34 # 1. A change to the ip stack breaking expected probe behavior,
  35 #    which is the reason we are testing.
  36 # 2. The lo0 interface missing or not up.
  37 # 3. Unrelated ICMP on lo0 traced by accident.
  38 #
  39
  40 if (( $# != 1 )); then
  41         print -u2 "expected one argument: <dtrace-path>"
  42         exit 2
  43 fi
  44
  45 dtrace=$1
  46 local=127.0.0.1
  47
  48 $dtrace -c "/usr/sbin/ping $local 3" -qs /dev/stdin <<EOF | sort -n
  49 ip:::send
  50 /args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
  51     args[4]->ipv4_protocol == IPPROTO_ICMP/
  52 {
  53         printf("1 ip:::send    (");
  54         printf("args[2]: %d %d, ", args[2]->ip_ver, args[2]->ip_plength);
  55         printf("args[4]: %d %d %d %d %d)\n",
  56             args[4]->ipv4_ver, args[4]->ipv4_length, args[4]->ipv4_flags,
  57             args[4]->ipv4_offset, args[4]->ipv4_ttl);
  58 }
  59
  60 ip:::receive
  61 /args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
  62     args[4]->ipv4_protocol == IPPROTO_ICMP/
  63 {
  64         printf("2 ip:::receive (");
  65         printf("args[2]: %d %d, ", args[2]->ip_ver, args[2]->ip_plength);
  66         printf("args[4]: %d %d %d %d %d)\n",
  67             args[4]->ipv4_ver, args[4]->ipv4_length, args[4]->ipv4_flags,
  68             args[4]->ipv4_offset, args[4]->ipv4_ttl);
  69 }
  70 EOF