Mercurial > hg > early-roguelike
view rogue4/init.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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/* * global variable initializaton * * @(#)init.c 4.16 (Berkeley) 3/30/82 * * 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 <ctype.h> #include <stdlib.h> #include <string.h> #include "rogue.h" /* * init_player: * Roll up the rogue */ init_player() { register THING *obj; pstats = max_stats; food_left = HUNGERTIME; /* * Give the rogue his weaponry. First a mace. */ obj = new_item(); obj->o_type = WEAPON; obj->o_which = MACE; init_weapon(obj, MACE); obj->o_hplus = 1; obj->o_dplus = 1; obj->o_flags |= ISKNOW; obj->o_count = 1; obj->o_group = 0; add_pack(obj, TRUE); cur_weapon = obj; /* * Now a +1 bow */ obj = new_item(); obj->o_type = WEAPON; obj->o_which = BOW; init_weapon(obj, BOW); obj->o_hplus = 1; obj->o_dplus = 0; obj->o_count = 1; obj->o_group = 0; obj->o_flags |= ISKNOW; add_pack(obj, TRUE); /* * Now some arrows */ obj = new_item(); obj->o_type = WEAPON; obj->o_which = ARROW; init_weapon(obj, ARROW); obj->o_count = rnd(15) + 25; obj->o_hplus = obj->o_dplus = 0; obj->o_flags |= ISKNOW; add_pack(obj, TRUE); /* * And his suit of armor */ obj = new_item(); obj->o_type = ARMOR; obj->o_which = RING_MAIL; obj->o_ac = a_class[RING_MAIL] - 1; obj->o_flags |= ISKNOW; obj->o_count = 1; obj->o_group = 0; cur_armor = obj; add_pack(obj, TRUE); /* * Give him some food too */ obj = new_item(); obj->o_type = FOOD; obj->o_count = 1; obj->o_which = 0; obj->o_group = 0; add_pack(obj, TRUE); } /* * Contains defintions and functions for dealing with things like * potions and scrolls */ const char *rainbow[NCOLORS] = { "amber", "aquamarine", "black", "blue", "brown", "clear", "crimson", "cyan", "ecru", "gold", "green", "grey", "magenta", "orange", "pink", "plaid", "purple", "red", "silver", "tan", "tangerine", "topaz", "turquoise", "vermilion", "violet", "white", "yellow", }; const char *sylls[NSYLLS] = { "a", "ab", "ag", "aks", "ala", "an", "ankh","app", "arg", "arze", "ash", "ban", "bar", "bat", "bek", "bie", "bin", "bit", "bjor", "blu", "bot", "bu", "byt", "comp","con", "cos", "cre", "dalf", "dan", "den", "do", "e", "eep", "el", "eng", "er", "ere", "erk", "esh", "evs", "fa", "fid", "for", "fri", "fu", "gan", "gar", "glen","gop", "gre", "ha", "he", "hyd", "i", "ing", "ion", "ip", "ish", "it", "ite", "iv", "jo", "kho", "kli", "klis","la", "lech", "man", "mar", "me", "mi", "mic", "mik", "mon", "mung","mur", "nej", "nelg","nep", "ner", "nes", "nes", "nih", "nin", "o", "od", "ood", "org", "orn", "ox", "oxy", "pay", "pet", "ple", "plu", "po", "pot", "prok","re", "rea", "rhov","ri", "ro", "rog", "rok", "rol", "sa", "san", "sat", "see", "sef", "seh", "shu", "ski", "sna", "sne", "snik","sno", "so", "sol", "sri", "sta", "sun", "ta", "tab", "tem", "ther","ti", "tox", "trol","tue", "turs","u", "ulk", "um", "un", "uni", "ur", "val", "viv", "vly", "vom", "wah", "wed", "werg","wex", "whon","wun", "xo", "y", "yot", "yu", "zant","zap", "zeb", "zim", "zok", "zon", "zum", }; const STONE stones[NSTONES] = { { "agate", 25}, { "alexandrite", 40}, { "amethyst", 50}, { "carnelian", 40}, { "diamond", 300}, { "emerald", 300}, { "germanium", 225}, { "granite", 5}, { "garnet", 50}, { "jade", 150}, { "kryptonite", 300}, { "lapis lazuli", 50}, { "moonstone", 50}, { "obsidian", 15}, { "onyx", 60}, { "opal", 200}, { "pearl", 220}, { "peridot", 63}, { "ruby", 350}, { "saphire", 285}, { "stibotantalite", 200}, { "tiger eye", 50}, { "topaz", 60}, { "turquoise", 70}, { "taaffeite", 300}, { "zircon", 80}, }; const char *wood[NWOOD] = { "avocado wood", "balsa", "bamboo", "banyan", "birch", "cedar", "cherry", "cinnibar", "cypress", "dogwood", "driftwood", "ebony", "elm", "eucalyptus", "fall", "hemlock", "holly", "ironwood", "kukui wood", "mahogany", "manzanita", "maple", "oaken", "persimmon wood", "pecan", "pine", "poplar", "redwood", "rosewood", "spruce", "teak", "walnut", "zebrawood", }; const char *metal[NMETAL] = { "aluminum", "beryllium", "bone", "brass", "bronze", "copper", "electrum", "gold", "iron", "lead", "magnesium", "mercury", "nickel", "pewter", "platinum", "steel", "silver", "silicon", "tin", "titanium", "tungsten", "zinc", }; /* * init_things * Initialize the probabilities for types of things */ init_things() { register struct magic_item *mp; for (mp = &things[1]; mp <= &things[NUMTHINGS-1]; mp++) mp->mi_prob += (mp-1)->mi_prob; #ifdef WIZARD badcheck("things", things, NUMTHINGS); #endif } /* * init_colors: * Initialize the potion color scheme for this time */ init_colors() { register int i, j; bool used[NCOLORS]; for (i = 0; i < NCOLORS; i++) used[i] = FALSE; for (i = 0; i < MAXPOTIONS; i++) { do j = rnd(NCOLORS); until (!used[j]); used[j] = TRUE; p_colors[i] = rainbow[j]; p_know[i] = FALSE; p_guess[i] = NULL; if (i > 0) p_magic[i].mi_prob += p_magic[i-1].mi_prob; } #ifdef WIZARD badcheck("potions", p_magic, MAXPOTIONS); #endif } /* * init_names: * Generate the names of the various scrolls */ #define MAXNAME 40 /* Max number of characters in a name */ init_names() { register int nsyl; register char *cp; const char *sp; register int i, nwords; for (i = 0; i < MAXSCROLLS; i++) { cp = prbuf; nwords = rnd(4) + 2; while (nwords--) { nsyl = rnd(3) + 1; while (nsyl--) { sp = sylls[rnd((sizeof sylls) / (sizeof (char *)))]; if (&cp[strlen(sp)] > &prbuf[MAXNAME]) break; while (*sp) *cp++ = *sp++; } *cp++ = ' '; } *--cp = '\0'; s_names[i] = (char *) malloc((unsigned) strlen(prbuf)+1); s_know[i] = FALSE; s_guess[i] = NULL; strcpy(s_names[i], prbuf); if (i > 0) s_magic[i].mi_prob += s_magic[i-1].mi_prob; } #ifdef WIZARD badcheck("scrolls", s_magic, MAXSCROLLS); #endif } /* * init_stones: * Initialize the ring stone setting scheme for this time */ init_stones() { register int i, j; bool used[NSTONES]; for (i = 0; i < NSTONES; i++) used[i] = FALSE; for (i = 0; i < MAXRINGS; i++) { do j = rnd(NSTONES); until (!used[j]); used[j] = TRUE; r_stones[i] = stones[j].st_name; r_know[i] = FALSE; r_guess[i] = NULL; if (i > 0) r_magic[i].mi_prob += r_magic[i-1].mi_prob; r_magic[i].mi_worth += stones[j].st_value; } #ifdef WIZARD badcheck("rings", r_magic, MAXRINGS); #endif } /* * init_materials: * Initialize the construction materials for wands and staffs */ init_materials() { register int i, j; register const char *str; bool metused[NMETAL], woodused[NWOOD]; for (i = 0; i < NWOOD; i++) woodused[i] = FALSE; for (i = 0; i < NMETAL; i++) metused[i] = FALSE; for (i = 0; i < MAXSTICKS; i++) { for (;;) if (rnd(2) == 0) { j = rnd(NMETAL); if (!metused[j]) { ws_type[i] = "wand"; str = metal[j]; metused[j] = TRUE; break; } } else { j = rnd(NWOOD); if (!woodused[j]) { ws_type[i] = "staff"; str = wood[j]; woodused[j] = TRUE; break; } } ws_made[i] = str; ws_know[i] = FALSE; ws_guess[i] = NULL; if (i > 0) ws_magic[i].mi_prob += ws_magic[i-1].mi_prob; } #ifdef WIZARD badcheck("sticks", ws_magic, MAXSTICKS); #endif } #ifdef WIZARD /* * badcheck: * Check to see if a series of probabilities sums to 100 */ badcheck(name, magic, bound) char *name; register struct magic_item *magic; register int bound; { register struct magic_item *end; if (magic[bound - 1].mi_prob == 100) return; printf("\nBad percentages for %s:\n", name); for (end = &magic[bound]; magic < end; magic++) printf("%3d%% %s\n", magic->mi_prob, magic->mi_name); printf("[hit RETURN to continue]"); fflush(stdout); while (getchar() != '\n') continue; } #endif