install

unix/linux下的路由守护程序

#!/bin/sh
#
# Public Release 3
# 
# $Id: install,v 1.4 1998/09/15 16:48:47 wfs Exp $
#
# ------------------------------------------------------------------------
# 
# Copyright (c) 1996, 1997 The Regents of the University of Michigan
# All Rights Reserved
#  
# Royalty-free licenses to redistribute GateD Release
# 3 in whole or in part may be obtained by writing to:
# 
# 	Merit GateDaemon Project
# 	4251 Plymouth Road, Suite C
# 	Ann Arbor, MI 48105
#  
# THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
# EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF 
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REGENTS OF THE
# UNIVERSITY OF MICHIGAN AND MERIT DO NOT WARRANT THAT THE
# FUNCTIONS CONTAINED IN THE SOFTWARE WILL MEET LICENSEE'S REQUIREMENTS OR
# THAT OPERATION WILL BE UNINTERRUPTED OR ERROR FREE. The Regents of the
# University of Michigan and Merit shall not be liable for
# any special, indirect, incidental or consequential damages with respect
# to any claim by Licensee or any third party arising from use of the
# software. GateDaemon was originated and developed through release 3.0
# by Cornell University and its collaborators.
# 
# Please forward bug fixes, enhancements and questions to the
# gated mailing list: [e-mail].
# 
# ------------------------------------------------------------------------
# 
# Copyright (c) 1990,1991,1992,1993,1994,1995 by Cornell University.
#     All rights reserved.
# 
# THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
# LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS FOR A PARTICULAR PURPOSE.
# 
# GateD is based on Kirton's EGP, UC Berkeley's routing
# daemon	 (routed), and DCN's HELLO routing Protocol.
# Development of GateD has been supported in part by the
# National Science Foundation.
# 
# ------------------------------------------------------------------------
# 
# Portions of this software may fall under the following
# copyrights:
# 
# Copyright (c) 1988 Regents of the University of California.
# All rights reserved.
# 
# Redistribution and use in source and binary forms are
# permitted provided that the above copyright notice and
# this paragraph are duplicated in all such forms and that
# any documentation, advertising materials, and other
# materials related to such distribution and use
# acknowledge that the software was developed by the
# University of California, Berkeley.  The name of the
# University may not be used to endorse or promote
# products derived from this software without specific
# prior written permission.  THIS SOFTWARE IS PROVIDED
# ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#

copy="mv" ;
progs=
n_progs=0
destdir=
strip=
next=
owner=
mode=
group=
add_prog=
test=

for arg do
	case ${next} in
		-m)
			mode=${arg}
			next=
			;;
		-o)
			owner=${arg}
			next=
			;;
		-g)
			group=${arg}
			next=
			;;
		*)
			case ${arg} in
				-c)
					copy="cp -p"
					;;
				-s)
					strip="strip"
					;;
				-[mog])
					next=${arg}
					;;
				-t)
					test="echo "
					;;
				-*)
					echo "$0: unknown option: ${arg}"
					exit 1
					;;
				*)
					if [ ! -z "${destdir}" ]; then
						if [ ! -f ${destdir} ]; then
							if [ -d ${destdir} ]; then
								echo "$0: '${destdir}' is a directory"
							else
								echo "$0: '${destdir}' does not exist"
							fi
							exit 1
						fi
						if [ -z "${progs}" ]; then
							progs="${destdir}"
						else 
							progs="${progs} ${destdir}"
						fi
						n_progs=`expr ${n_progs} + 1`;
					fi
					destdir=${arg}
					;;
			esac
			;;
	esac
done

if [ -z "${progs}" ]; then
	echo "$0: no programs specified"
	exit 1
fi
if [ -z "${destdir}" ]; then
	echo "$0: destination directory not specified"
	exit 1
fi
if [ -d ${destdir} ]; then
	targets=
	for prog in ${progs}; do
		targets="${targets} ${destdir}/${prog}"
	done
elif [ ${n_progs} -gt 1 ]; then
	echo "$0: can only copy one target to a file"
	exit 1
else
	targets=${destdir}
fi

${test} ${copy} ${progs} ${destdir}
if [ ! -z "${strip}" ]; then
	${test} strip ${targets} ;
fi
if [ ! -z "${owner}" ]; then
	${test} chown ${owner} ${targets} ;
fi
if [ ! -z "${group}" ]; then
	${test} chgrp ${group} ${targets} ;
fi
if [ ! -z "${mode}" ]; then
	${test} chmod ${mode} ${targets} ;
fi