tcpdump01 revision 4614942cf6d959f2f753e6b7c0c629f9f41d7935 
1#!/bin/sh
2
3#******************************************************************************
4#   Copyright (c) International Business Machines  Corp., 2000
5#
6#   This program is free software;  you can redistribute it and/or modify
7#   it under the terms of the GNU General Public License as published by
8#   the Free Software Foundation; either version 2 of the License, or
9#   (at your option) any later version.
10#
11#   This program is distributed in the hope that it will be useful,
12#   but WITHOUT ANY WARRANTY;  without even the implied warranty of
13#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
14#   the GNU General Public License for more details.
15#
16#   You should have received a copy of the GNU General Public License
17#   along with this pronram;  if not, write to the Free Software
18#   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19#
20#
21#
22#  FILE   : tcpdump
23#
24#  PURPOSE: To test the basic functionality of `tcpdump`.
25#
26#  SETUP: The "RHOST" setting should be exported to be the hostname of
27#         another machine on the same subnet.  Otherwise, the hostname
28#         of the tested machine will be used.
29#
30#  HISTORY:
31#    04/17/01 Robbie Williamson (robbiew@us.ibm.com)
32#      -Written
33#
34#-----------------------------------------------------------------------
35#Uncomment line below for debug output.
36#trace_logic=${trace_logic:-"set -x"}
37$trace_logic
38
39TC=tcpdump
40TCtmp=${TCtmp:-/tmp/$TC$$}
41RHOST=${RHOST:-`hostname`}
42IFNAME=${IFNAME:-$(netstat -i -n | grep "^[b-z]\{2,4\}[0-9][^*]" | awk '{print $1}' | head -n1)}
43NUMLOOPS=${NUMLOOPS:-20}
44OUTFILE=$TCtmp/tcpdump_out
45LTPROOT=${LTPROOT:-"../../../../"}
46
47
48#-----------------------------------------------------------------------
49#
50# FUNCTION:  exists
51# PURPOSE:   Check if commands used by this testcase exists.
52#
53#-----------------------------------------------------------------------
54
55exists()
56{
57   for cmd in $1
58   do
59       which $cmd 2>&1 1>/dev/null
60	   if [ $? -ne 0 ]
61	   then
62	       tst_resm TBROK "Test broke: command $cmd not found"
63		   exit 1
64       fi
65   done
66}
67
68
69#******************************************************************************
70#
71# FUNCTION:  do_test
72# PURPOSE:   Invoke tcpdump
73# INPUT:     None
74#
75#******************************************************************************
76
77do_test()
78{
79   $trace_logic
80
81   mkdir -p $TCtmp
82   [ $? -eq 0 ] || end_testcase "mkdir -p $TCtmp failed"
83   ping -f $RHOST > /dev/null 2>&1 &
84   /usr/sbin/tcpdump -i $IFNAME -c $NUMLOOPS > $OUTFILE
85   [ $? -eq 0 ] || end_testcase "Problems trying to launch tcpdump"
86   grep "$RHOST\>" $OUTFILE 
87   [ $? -eq 0 ] || end_testcase "$RHOST was not listed in network traffic"
88   PID=`ps -ef | grep "ping -f $RHOST" | grep -v grep | awk '{print $2}'`
89   kill -9 $PID
90   rm -rf $OUTFILE
91}
92
93#=============================================================================
94# FUNCTION NAME:        end_testcase
95#
96# FUNCTION DESCRIPTION: Clean up
97#
98# PARAMETERS:           string, IF AND ONLY IF the testcase fails
99#
100# RETURNS:              None.
101#=============================================================================
102
103end_testcase()
104{
105   $trace_logic
106   tst_resm TINFO "$this_file: doing $0."
107   rm -rf $TCtmp
108   [ $# -eq 0 ] && { tst_resm TPASS "Test Successful"; exit 0; }
109   tst_resm TFAIL "Test Failed: $@"
110   exit 1
111}
112
113#-----------------------------------------------------------------------
114#
115# FUNCTION:  MAIN
116# PURPOSE:   To invoke functions that perform the tasks as described in
117#	     the design in the prolog above.
118# INPUT:     See SETUP in the prolog above.
119# OUTPUT:    Logged run results written to testcase run log
120#
121#-----------------------------------------------------------------------
122export TCID="tcpdump01"
123export TST_TOTAL=1
124export TST_COUNT=1
125
126exists "ping awk tcpdump"
127do_test
128end_testcase
129