93 lines
4.2 KiB
Plaintext
93 lines
4.2 KiB
Plaintext
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Hack is a display oriented dungeons & dragons - like game.
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Both display and command structure resemble rogue.
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(For a game with the same structure but entirely different display -
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a real cave instead of dull rectangles - try Quest)
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Hack was originally written by Jay Fenlason (at lincolnsudbury:
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29 East St., Sudbury Mass., 01776) with help from
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Kenny Woodland, Mike Thome and Jon Payne.
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Basically it was an implementation of Rogue, however, with 52+ instead of 26
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monster types.
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The current version is more than thrice as large (with such new features as
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the dog, the long worms, the shops, etc.) and almost entirely rewritten
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(only the display routines are the original ones - I must rewrite these
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too one day; especially when you are blind strange things still happen).
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Files for hack:
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hack The actual game
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record Top 100 list (just start with an empty file)
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news Tells about recent changes in hack, or bugs found ...
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(Just start with no news file.)
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data Auxiliary file used by hack to give you the names
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and sometimes some more information on the
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objects and monsters.
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help Introductory information (no doubt outdated).
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hh Compactified version of help.
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perm An empty file used for locking purposes.
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rumors Texts for fortune cookies.
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(Some of these contain information on the game,
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others are just plain stupid. Additional rumors
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are appreciated.)
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hack.sh A shell script.
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(We have hack.sh in /usr/games/hack and
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hack in /usr/games/lib/hackdir/hack and all the other
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hack stuff in /usr/games/lib/hackdir - perhaps this
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will make the script clear.
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There is no need for you to use it.)
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READ_ME This file.
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Original_READ_ME Jay Fenlason's READ_ME
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System files used:
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/etc/termcap Used in conjunction with the environment variable
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$TERM.
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/bin/cat
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/usr/ucb/more
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/bin/sh Used when $SHELL is undefined.
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How to install hack:
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0. Compile the sources. Perhaps you should first look at the file config.h
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and define BSD if you are on a BSDtype system,
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define STUPID if your C-compiler chokes on complicated expressions.
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Make sure schar and uchar represent signed and unsigned types.
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If your C compiler doesnt allow initialization of bit fields
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change Bitfield. When config.h looks reasonable, say 'make'.
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(Perhaps you have to change TERMLIB in the makefile.)
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1. If it didnt exist already, introduce a loginname `play' .
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2. The program hack resides in a directory so that it is executable
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for everybody and is suid play:
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---s--s--x 1 play 206848 Apr 3 00:17 hack
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Perhaps you wish to restrict playing to certain hours, or have games
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running under nice; in that case you might write a program play.c
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such that the program play is suid play and executable for everybody
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while all the games in /usr/games are readable or executable for
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play only; all the program play does is asking for the name of a game,
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checking that time-of-day and system load do not forbid playing,
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and then executing the game. Thus:
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-r-sr-sr-x 1 play 13312 May 24 12:52 play
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---x------ 1 play 206848 Apr 3 00:17 hack
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If you are worried about security you might let play do
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chroot("/usr/games") so that no player can get access to the rest
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of the system via shell escapes and the likes.
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If you #define SECURE in config.h then hack will not setuid(getuid())
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before executing a chdir(). Hack will always do setuid(getuid()) with
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a fork. If you do not define UNIX then hack will not fork.
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3. The rest of the stuff belonging to hack sits in a subdirectory hackdir
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(on our system /usr/games/lib/hackdir) with modes
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drwx------ 3 play 1024 Aug 9 09:03 hackdir
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Here all the temporary files will be created (with names like xlock.17
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or user.5).
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4. If you are not really short on file space, creating a subdirectory
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hackdir/save (modes again drwx------) will enable users to save their
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unfinished games.
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The program hack is called
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$ hack [-d hackdir] [maxnrofplayers]
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(for playing) or
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$ hack [-d hackdir] -s [listofusers | limit | all]
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(for seeing part of the scorelist).
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The shell file hack (in this kit called hack.sh) takes care of
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calling hack with the right arguments.
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Send complaints, bug reports, suggestions for improvements to
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mcvax!aeb - in real life Andries Brouwer.
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