#!/bin/sh
#
#  $Id: pingtr,v 1.1 2000/09/26 16:18:44 dgregor Exp $
#
# 
# Copyright (c) 1999-2000 Daniel J. Gregor, Jr., All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
# 	This product includes software developed by Daniel J. Gregor, Jr.
# 4. The name of Daniel J. Gregor, Jr. may not be used to endorse or promote
#    products derived from this software without specific prior written
#    permission.
# 
# THIS SOFTWARE IS PROVIDED BY DANIEL J. GREGOR, JR. ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL DANIEL J. GREGOR, JR. BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#
# I think that this will work on most operating systems other than Solaris.
# The Solaris version of ping (and maybe traceroute) require different
# options and their output needs to be processed differently.
#
# XXX I should add Solaris support to this script.

PATH=$PATH:/sbin:/usr/sbin

echo "[`hostname`]"

for HOST
do
	# echo "*`echo $HOST | sed 's/\..*//'`*"	# print short hostname
	echo "*$HOST*"					# print argv hostname

	exec 5>&1 
	status=`((ping -c 3 -w 1 $HOST 2>&1 1>&3 3>&- 4>&- 5>&-; echo $? >&4) 3>&1 2>&1 | sed '/packets received/!d;s/.*packets received, //' >&5 ) 4>&1`

	if [ $status -ne 0 ]; then
		echo "last hop:"
		traceroute -m 15 -w 2 $HOST 2>/dev/null | \
			egrep -v '^[ 0-9]+ +( \*)+$' | tail -1
	fi
done