Mercurial > hg > early-roguelike
view rogue4/armor.c @ 176:db1c9a21a7c3
srogue: prevent overflowing the score file name.
If SCOREFILE is not defined, roguehome() is called to find a directory
for the score file. It copies up to PATH_MAX-20 bytes from an
environment variable to a static buffer. Later these are strcpy()'d to
scorefile, which is of size LINLEN. Unfortunately LINLEN is 80 and
PATH_MAX is at least 256. On Linux, it happens to be 4096.
I haven't yet managed to crash or exploit it, but there are surely no
beneficial consequences, so roguehome() has been modified to check the
length, and the string it returns is also checked in main().
author | John "Elwin" Edwards |
---|---|
date | Sun, 02 Aug 2015 12:14:47 -0400 |
parents | 9535a08ddc39 |
children | 1b73a8641b37 |
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/* * This file contains misc functions for dealing with armor * @(#)armor.c 4.8 (Berkeley) 4/6/82 * * Rogue: Exploring the Dungeons of Doom * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman * All rights reserved. * * See the file LICENSE.TXT for full copyright and licensing information. */ #include <curses.h> #include "rogue.h" /* * wear: * The player wants to wear something, so let him/her put it on. */ wear() { register THING *obj; register char *sp; if (cur_armor != NULL) { addmsg("you are already wearing some"); if (!terse) addmsg(". You'll have to take it off first"); endmsg(); after = FALSE; return; } if ((obj = get_item("wear", ARMOR)) == NULL) return; if (obj->o_type != ARMOR) { msg("you can't wear that"); return; } waste_time(); obj->o_flags |= ISKNOW; sp = inv_name(obj, TRUE); cur_armor = obj; if (!terse) addmsg("you are now "); msg("wearing %s", sp); } /* * take_off: * Get the armor off of the players back */ take_off() { register THING *obj; if ((obj = cur_armor) == NULL) { after = FALSE; if (terse) msg("not wearing armor"); else msg("you aren't wearing any armor"); return; } if (!dropcheck(cur_armor)) return; cur_armor = NULL; if (terse) addmsg("was"); else addmsg("you used to be "); msg(" wearing %c) %s", pack_char(obj), inv_name(obj, TRUE)); } /* * waste_time: * Do nothing but let other things happen */ waste_time() { do_daemons(BEFORE); do_fuses(BEFORE); do_daemons(AFTER); do_fuses(AFTER); }