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1988-04-30
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4KB
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67 lines
***** THIS IS A SHAREWARE PRODUCT *****
Registration is NOT optional.
If you use this product you must pay for it.
If you don't pay for it, DON'T use it.
PROGRAM: MHP.COM, MHR.COM - Meathook network file sharing service
VERSION: 2.00 January 6, 1988
AUTHOR: Keith P. Graham
DESCRIPTION: This program allows users of networks using DOS 3.x file
sharing to run programs written to DOS 2.x standards.
The program intercepts DOS function calls to open files
and alters them to allow full read/write access. There is
a certain degree of protection lost, but programs can share
files which were previously accessed in exclusive modes.
The program was written and tested for a 3COM BBS system
so that doors written without sharing ability could share
files.
There are two versions of the program. MHP.COM is a
pass through program which offers temporary service. It
loads itself for the execution of one command and then
deinstalls itself. MHR.COM is a resident version which
is loaded once, typically at boot, and remains resident
until the computer is rebooted.
Both programs operate identically while installed.
All calls to DOS are intercepted and inspected. Requests
to DOS to open files are altered to allow sharing.
If a program is using DOS 3.x share funtions in its open
request the request is passed unaltered to DOS. The
reasoning is that older type requests reflect ignorance
of the presence of the network and must be altered, and
and that more sophisticated opens must be passed on
assuming that the program has a good reason to use
DOS 3.x file sharing techniques.
USAGE: The form for using MHP.COM is:
MHP /n any-command + parameters
/n is an optional intelligent security switch (for Beta
testers only! See below how to become a Beta tester).
Simply prefix and normal DOS command or program name
with MHP followed by a space. MHP can execute any program
or command the same way DOS does. When the program or
command is complete, MHP will deinstall itself.
For example:
MHP COPY C:*.DOC A:
normally if a node had opened a .DOC file on the C:
disk a share violation message would appear. Under MHP
no share violation will occur.
Another example:
MHP WP
This would execute the program WP which would be able to
open files which are being read by other nodes. When
WP is finished then MHP would also be complete.
MHR is installed once by entering:
MHR
The difference between the two programs is a matter of
convenience and resources. MHP uses about 5k of memory,
but gives it up when it is done.
MHR only uses about 1k of memory but can't be turned off.
There are several switches which can be used for more
flexible control of security on the network.
COMMENTS: MEATHOOK got its name from Charlie Innusa and I can't
say that I entirely like it, but the program was
completely Charlie's idea and he is responsible for the
name.