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arogue5: fix the crash when checking prices in shops. A buffer called curpurch, which stores a description of an item in a trading post which the player might be interested in, was only 15 bytes. It was overflowing into oldrp, a room pointer, leading to segfaults. The size of curpurch has been increased to LINELEN*2, which matches the size of prbuf, which is returned by inv_name and then strcpy()'d to curpurch. As long as nothing overflows prbuf it should be safe now. NOTE that this breaks savefile compatibility.
author John "Elwin" Edwards <elwin@sdf.org>
date Wed, 05 Sep 2012 10:14:34 -0700
parents d8e5c5dd9b55
children dfeed24bb616
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/*
 * machine dependicies
 *
 * Advanced Rogue
 * Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
 * All rights reserved.
 *
 * Based on "Rogue: Exploring the Dungeons of Doom"
 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
 * All rights reserved.
 *
 * See the file LICENSE.TXT for full copyright and licensing information.
 */

/*
 * define that the wizard commands exist
 */
#undef WIZARD	/*1*/

/*
 * define if you want to limit scores to one per class per userid
 */
#undef LIMITSCORE 

/*
 * where scorefile should live
 */
#define SCOREFILE	"/var/local/games/roguelike/arogue5.scr"
#define LOGFILE		"/var/local/games/roguelike/arogue5.log"
#define SAVEDIR		"/var/local/games/roguelike/arogue5save/"

/*
 * Variables for checking to make sure the system isn't too loaded
 * for people to play
 */

#undef	MAXUSERS	/*40*/	/* max number of users for this game */
#undef	MAXLOAD		/*40*/	/* 10 * max 15 minute load average */

#undef	CHECKTIME	/*15*/	/* number of minutes between load checks */
				/* if not defined checks are only on startup */

#ifdef MAXLOAD
#define	LOADAV			/* defined if rogue should provide loadav() */

#ifdef LOADAV
#define	NAMELIST	"/unix"	/* where the system namelist lives */
#endif
#endif

#ifdef MAXUSERS
#define	UCOUNT			/* defined if rogue should provide ucount() */

#ifdef UCOUNT
#define UTMP	"/etc/utmp"	/* where utmp file lives */
#endif
#endif

#undef AUTHOR /*212*/

/*
 * define the current author of the program for "special handling"
 */
#ifndef AUTHOR
#define AUTHOR 0	/* Default to root if not specified above */
#endif