install

wu-ftpd类unix下的ftp服务器,可用于嵌入式系统

#!/bin/sh
#
# Copyright (c) 1999,2000 WU-FTPD Development Group.
# All rights reserved.
# 
# Portions Copyright (c) 1980, 1985, 1988, 1989, 1990, 1991, 1993, 1994 
#    The Regents of the University of California.  
# Portions Copyright (c) 1993, 1994 Washington University in Saint Louis.  
# Portions Copyright (c) 1989 Massachusetts Institute of Technology.  
# Portions Copyright (c) 1998 Sendmail, Inc.
# Portions Copyright (c) 1983, 1995, 1996, 1997 Eric P. Allman.  
# Portions Copyright (c) 1996, 1998 Berkeley Software Design, Inc.  
# Portions Copyright (C) 1991, 1992, 1993, 1994, 1995 1996, 1997 
#    Free Software Foundation, Inc.  
# Portions Copyright (c) 1997 Stan Barber.  
# Portions Copyright (c) 1997 Kent Landfield.
# 
# Use and distribution of this software and its source code are governed by 
# the terms and conditions of the WU-FTPD Software License ("LICENSE").
# 
# If you did not receive a copy of the license, it may be obtained online at
# http://www.wu-ftpd.org/license.html.
# 
# $Id: install,v 1.4 2000/07/01 18:42:38 wuftpd Exp $
#
#	install	-	implementation of BSD install program for SYSV
#
# SYNTAX:
#	install [-cs] [-g group] [-m mode] [-o owner] file1 file2
#	install [-cs] [-g group] [-m mode] [-o owner] file1 ... directory
#	install -d [-g group] [-m mode] [-o owner] directory
#
# RETURN VALUES:
#	0	success
#	1	failure
#

# ----------------------------- INITIALIZATION ------------------------------

ME="`basename $0`"

# ------------------------------- SUBROUTINES -------------------------------

#
# Usage		- print usage message
#
Usage()
{
	echo "Usage: ${ME} [-cs] [-g group] [-m mode] [-o owner] file1 file2"
	echo "       ${ME} [-cs] [-g group] [-m mode] [-o owner] file1 ... directory"
	echo "       ${ME} -d [-g group] [-m mode] [-o owner] directory"
	exit 1
}

#
# Warning		- print warning message
#
Warning()
{
	echo "${ME}: $*"
}

#
# Die		- print message and exit with failure
#
Die()
{
	echo "${ME}: $*"
	exit 1
}
# ------------------------------- MAIN PROGRAM -----------------------------

#
# We always need at least two arguments
#
if [ $# -lt 2 ]
then
	Usage
fi

#
# Process command line options
#
for ARG in $*; do
	if [ "${FLAG}" = "on" ]; then
		case ${ARG} in
		-*)
			Die "The -g, -m and -o flags each require an argument following"
			exit 1
			;;
		*)
			FLAG=off
			continue
			;;
		esac
	fi

	case ${ARG} in
	-cs | -s)
		STRIP=on
		shift
		;;
	-g)
		GRP=$2
		FLAG=on
		shift 2
		;;
	-m)
		MODE=$2
		FLAG=on
		shift 2
		;;
	-o)
		OWNER=$2
		FLAG=on
		shift 2
		;;
	-d)
		MKDIR=on
		shift
		;;	
	-c)
		# For backward compatibility only; ignore
		shift
		;;
	-*)
		Warning "unknown option ${ARG}"
		Usage
		;;
	*)
		break
		;;
	esac
done

#
# We always need at least one filename
#
if [ $# -lt 1 ]
then
	Usage
fi

#
# Find out what the target is
#
FILES=$*
NARGS=$#
set `echo ${FILES}`
i=1
while [ $i -lt ${NARGS} ]; do
	FLS="${FLS} $1"
	shift
	i=`expr $i + 1`
done
TARGET=$1

#
# If more than one file specified, target must be a directory
#
if [ $i -gt 2 ]
then
	if [ ! -d ${TARGET} ]
	then
		Usage
	fi
fi

#
# If -d flag was present, see if directory exists. If not create it.
# If group and/or mode and/or owner specified, set them for target
#
if [ "${MKDIR}" = "on" ]
then
	if [ ! -d ${TARGET} ]
	then
		mkdir -p ${TARGET}
	fi

	if [ "${GRP}" != "" ]
	then
		chgrp ${GRP} ${TARGET}
	fi

	if [ "${MODE}" != "" ]
	then
		chmod ${MODE} ${TARGET}
	fi

	if [ "${OWNER}" != "" ]
	then
# This fails on early releases of IRIX so, we'll just let chown speak here 
# and we'll not bother.
#		if [ "`id -un`" != "root" ]
#		then
#			Warning "-o: must be superuser to change owner"
#		else
			chown ${OWNER} ${TARGET}
#		fi
	fi
fi

#
# Process each file, taking the command line options into account
# If the target is a directory, set modes for file in that directory,
# otherwise set modes for file.
#
for FILE in ${FLS}
do
	if [ "${STRIP}" = "on" ]
	then
		strip ${FILE}
	fi

	cp ${FILE} ${TARGET}

	if [ "${GRP}" != "" ]
	then
		if [ ! -d ${TARGET} ]
		then
			chgrp ${GRP} ${TARGET}
		else
			chgrp ${GRP} ${TARGET}/${FILE}
		fi
	fi
	
	if [ "${MODE}" != "" ]
	then
		if [ ! -d ${TARGET} ]
		then
			chmod ${MODE} ${TARGET}
		else
			chmod ${MODE} ${TARGET}/${FILE}
		fi
	fi

	if [ "${OWNER}" != "" ]
	then
# This fails on early releases of IRIX so, we'll just let chown speak here 
# and we'll not bother.
#		if [ "`id -un`" != "root" ]
#		then
#			Warning "-o: must be superuser to change owner"
#		elif [ ! -d ${TARGET} ]
		if [ ! -d ${TARGET} ]
		then
			chown ${OWNER} ${TARGET}
		else
			chown ${OWNER} ${TARGET}/${FILE}
		fi
	fi
done