host01 revision b692ec91c9cca98472ac87b5b4dcaf44cd902cb8 
1#!/bin/sh
2#
3#   Copyright (c) International Business Machines  Corp., 2000
4#
5#   This program is free software;  you can redistribute it and/or modify
6#   it under the terms of the GNU General Public License as published by
7#   the Free Software Foundation; either version 2 of the License, or
8#   (at your option) any later version.
9#
10#   This program is distributed in the hope that it will be useful,
11#   but WITHOUT ANY WARRANTY;  without even the implied warranty of
12#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
13#   the GNU General Public License for more details.
14#
15#   You should have received a copy of the GNU General Public License
16#   along with this pronram;  if not, write to the Free Software
17#   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18#
19#
20#
21#  FILE   : host
22#
23#  PURPOSE: To test the basic functionality of the `host` command.
24#  
25#  SETUP: If "RHOST" is not exported, then the local hostname is used.
26#
27#  HISTORY:
28#    03/01 Robbie Williamson (robbiew@us.ibm.com)
29#      -Ported
30#
31#
32#-----------------------------------------------------------------------
33# Uncomment line below for debug output
34#trace_logic=${trace_logic:-"set -x"}
35$trace_logic
36
37RHOST=${RHOST:-`hostname`}
38NUMLOOPS=${NUMLOOPS:-20}
39SLEEPTIME=${SLEEPTIME:-0}
40
41#-----------------------------------------------------------------------
42#
43# FUNCTION:  do_test
44#
45#-----------------------------------------------------------------------
46
47do_test()
48{
49   $trace_logic
50   echo "$this_file: doing $0."
51
52   count=0
53   while [ $count -lt $NUMLOOPS ]
54   do
55      host $RHOST
56      if [ $? -eq 0 ]; then
57         rhost_addr=`host $RHOST | tr -s ',' ' ' | awk '{print $4}'`
58         host $rhost_addr
59         [ $? -eq 0 ] || end_testcase "host can not do a reverse lookup"
60      else 
61         end_testcase "host $RHOST on local machine failed"
62      fi
63      count=$(( $count + 1 ))
64      sleep $SLEEPTIME
65   done
66}
67
68#=============================================================================
69# FUNCTION NAME:        end_testcase
70#
71# FUNCTION DESCRIPTION: Clean up
72#
73# PARAMETERS:           string, IF AND ONLY IF the testcase fails
74#
75# RETURNS:              None.
76#=============================================================================
77
78end_testcase()
79{
80   $trace_logic
81   echo "$this_file: doing $0."
82
83   [ $# -eq 0 ] && { echo "Test Successful"; exit 0; }
84   echo "Test Failed: $@"
85   exit 1
86}
87
88#-----------------------------------------------------------------------
89# FUNCTION: MAIN
90#-----------------------------------------------------------------------
91do_test
92end_testcase
93