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─────────────────────────────────────────────────────────────────────
4PASSWORD Version 1.00
4DOS File & Directory Security Utility
─────────────────────────────────────────────────────────────────────
Copyright (C) 1994 By Jason D. Meisels. All Rights Reserved.
─────────────────────────────────────────────────────────────────────
─────────────────────────────────────────────────────────────────────
For More Information :
─────────────────────────────────────────────────────────────────────
Jason D. Meisels, CNE / CSNA
eXpert Systems Corporation
2112 Lincoln Drive East
Ambler, Pennsylvania 19002-3852
CompuServe ID : 72704,3233
─────────────────────────────────────────────────────────────────────
─────────────────────────────────────────────────────────────────────
INTRODUCTION TO 4PASSWORD Page 2
─────────────────────────────────────────────────────────────────────
A (feeble?) attempt to add Novell DOS's PASSWORD feature to MS-DOS
by using 4DOS.
─────────────────────────────────────────────────────────────────────
Well, like many powerusers, I am always trying new products, such
as Digital Research DOS for reasons of my need for the disk
compression technology that came with DR-DOS. While I liked DR-DOS's
disk compression utility (a OEM version of AddStor's SuperStor), I
did not like DR-DOS's memory management features. I felt they were
more gainly and kludgy than the MS-DOS equivelent. However, I did
like Digital Research's idea of a built-in "security" feature of
DR-DOS they called the PASSWORD command, and wished Microsoft would
have had the forethought to put something so obviously lacking as
security into it's operating system. Therefore the idea on how to
get DR-DOS's PASSWORD feature into MS-DOS began to bubble in my mind.
I've been a 4DOS user since version 3, and a machine without 4DOS,
in my mind, is a useless machine. As 4DOS versions came and went,
starting with version 4, I've became adept at 4DOS's powerful alias
and batch language (which I have not seen in any comparable product
on the market). No wonder Symantec ships it's bread-and-butter
product (Norton Utilities) with a OEM version of 4DOS called NDOS!
So, here for your entertainment, is my efforts of duplicating
DR-DOS's PASSWORD command for 4DOS users. It is not a security
system intended for high security applications, instead it is a
utility to give a easy-to-use ability for end users and power users
to protect their individual files and directories from casual viewing.
As with DR-DOS's PASSWORD feature, it is NOT intended as a
sophisticated PC security product! Anyone with some real knowledge
of DOS can bypass it easily! However, it may solve some users need
of simple access security.
─────────────────────────────────────────────────────────────────────
4PASSWORD - REQUIREMENTS Page 3
─────────────────────────────────────────────────────────────────────
IBM PC, PC-AT, PS/1, PS/2 and 100% compatibles, with a minimum 256K
conventional memory.
MS-DOS Version 3.30 or above
or
DR-DOS Version 6.00 or above
4DOS Version 4.00 or above
────────
OPTIONAL
────────
PKZIP Version 2.04g or above
ISee Version 5.0 or above
─────────────────────────────────────────────────────────────────────
4PASSWORD - INSTALLATION
─────────────────────────────────────────────────────────────────────
After extracting 4PASSWORD into a directory that is in your path,
make sure PKZIP / PKUNZIP and ISee is in a directory that is also in
your path for the optional PKZIP encryption security feature.
─────────────────────────────────────────────────────────────────────
4PASSWORD - USAGE Page 4
─────────────────────────────────────────────────────────────────────
Usage from the Command Line :
4PWD <filename/directory> {password} {/P (PKZIP File Encryption)}
<filename/directory>
If a filename is given, 4PASSWORD operations will be on that file.
If a directory name is given, 4PASSWORD operations will be on that
directory. This parameter is NOT optional.
{password}
If a password is given on the command line, 4PASSWORD's
operation will be immediate, otherwise, 4PASSWORD prompts for a
password. This parameter is optional on the command line, but the
user will be prompted for a password.
{/P (PKZIP File Encryption)}
If a password is given with the /P switch on the command line,
4PASSWORD will check if the filename is either in a encrypted or
plaintext form, then will either decrypt or encrypt the file.
This parameter is optional only on the command line. This feature
will only work if you have PKZIP.EXE, PKUNZIP.EXE, and IC.EXE in
your path. This option provide a more secure file protection than
normal 4PASSWORD usage but can take a longer time to operate.
─────────────────────────────────────────────────────────────────────
4PASSWORD - Errors Page 5
─────────────────────────────────────────────────────────────────────
If you are using 4PASSWORD from a batch file you must execute
4PWD.BTM as such :
CALL 4PWD filename password
4PASSWORD will pass the following ERRORLEVEL codes to DOS at
completion :
ERRORLEVEL Description
────────── ──────────────────────────────────────────
0 Operation completed successfully.
1 Filename or Directory does not exist.
2 Incorrect Password.
3 Password greater than 8 characters.
4 Filename does not exist.
5 IC.EXE not found.
6 PKZIP.EXE not found.
7 PKUNZIP.EXE not found.
─────────────────────────────────────────────────────────────────────
N O T I C E ! Page 6
─────────────────────────────────────────────────────────────────────
ALL PROGRAMS MENTIONED ARE THE COPYRIGHT OF THEIR RESPECTIVE
INDEPENDANT SHAREWARE PROFESSIONALS OR COMPANIES. IT IS NOT THE
INTENTION OF THE AUTHOR TO USE OR REPLACE THE PROGRAMS IN ANY MANNER.
THE AUTHOR IS ALSO NOT RESPONSIBLE FOR ANY DAMAGE TO YOUR
COMPUTER CAUSED BY THIS PROGRAM OR ANY OF THE OTHER PROGRAMS
MENTIONED. THE USER IS FULLY RESPONSIBLE FOR ALL USAGE OF THIS
PROGRAM.
─────────────────────────────────────────────────────────────────────
C O P Y R I G H T
─────────────────────────────────────────────────────────────────────
4PASSWORD Version 1.00 - 4DOS File & Directory Security Utility
Copyright (C) 1994 By Jason D. Meisels. All Rights Reserved.
No part of this program may be disassembled, modified or altered by
any means.
─────────────────────────────────────────────────────────────────────
W A R R A N T Y
─────────────────────────────────────────────────────────────────────
I, Jason D. Meisels, make no warranties, expressed or implied,
including, but not limited to, merchantability or fitness of this
software for any particular purpose.
In no event shall Jason D. Meisels be liable for indirect or
consequential damages arising from the use or misuse of the software
program.
You are free to redistribute this shareware package in its entirety.
No part of this package may be included as part of a commercial
package. If you have any questions about commercial distribution
of 4PASSWORD, I can be contacted at:
Jason D. Meisels, CNE, CSNA
2112 Lincoln Drive East
Ambler, Pennsylvania 19002-3852
or
CompuServe ID : 72704,3233
─────────────────────────────────────────────────────────────────────
C O S T O F 4 P A S S W O R D Page 7
─────────────────────────────────────────────────────────────────────
4PASSWORD Version 1.00 was labeled as "freeware" in which the user is
not required to pay a fee, as long as it and the accompanying files
are not modified and distributed in its entirity as provided.
─────────────────────────────────────────────────────────────────────
C O N T E N T S
─────────────────────────────────────────────────────────────────────
The following files are included in this package :
4PWD.BTM - 4PASSWORD Executable
4PWD.DOC - This documentation file
IC.ZIP - ISee 5.0 - Intelligent Compression Shell
(Copyright (C) David Smith)
Provided here only as a public service. You must
obey all copyright restrictions as specified by
the author.