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annotate rogue4/rogue.h @ 176:db1c9a21a7c3

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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 ec9db3bb6b0b
children 1b73a8641b37
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12
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1 /*
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2 * Rogue definitions and variable declarations
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3 *
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4 * @(#)rogue.h 5.2 (Berkeley) 5/10/82
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5 *
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6 * Rogue: Exploring the Dungeons of Doom
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7 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
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8 * All rights reserved.
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9 *
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10 * See the file LICENSE.TXT for full copyright and licensing information.
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11 */
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12
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13 typedef struct {
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14 const char *st_name;
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15 const int st_value;
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16 } STONE;
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17
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18 extern const char *rainbow[];
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19 extern const STONE stones[];
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20 extern const char *sylls[];
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21 extern const char *wood[];
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22 extern const char *metal[];
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23
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24 #define NCOLORS 27
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25 #define NSYLLS 159
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26 #define NSTONES 26
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27 #define NWOOD 33
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28 #define NMETAL 22
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29
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30 /*
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31 * Maximum number of different things
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32 */
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33 #define MAXDAEMONS 20
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34 #define MAXROOMS 9
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35 #define MAXTHINGS 9
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36 #define MAXOBJ 9
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37 #define MAXPACK 23
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38 #define MAXTRAPS 10
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39 #define AMULETLEVEL 26
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40 #define NUMTHINGS 7 /* number of types of things */
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41 #define MAXPASS 13 /* upper limit on number of passages */
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42
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43 /*
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44 * return values for get functions
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45 */
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46 #define NORM 0 /* normal exit */
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47 #define QUIT 1 /* quit option setting */
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48 #define MINUS 2 /* back up one option */
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49
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50 /*
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51 * All the fun defines
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52 */
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53 #define shint char /* short integer (for very small #s) */
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54 #define when break;case
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55 #define otherwise break;default
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56 #define until(expr) while(!(expr))
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57 #define next(ptr) (*ptr).l_next
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58 #define prev(ptr) (*ptr).l_prev
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59 #define winat(y,x) (moat(y,x) != NULL ? moat(y,x)->t_disguise : chat(y,x))
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60 #define DISTANCE(y1, x1, y2, x2) ((x2 - x1)*(x2 - x1) + (y2 - y1)*(y2 - y1))
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61 #define ce(a,b) ((a).x == (b).x && (a).y == (b).y)
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62 #define hero player.t_pos
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63 #define pstats player.t_stats
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64 #define pack player.t_pack
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65 #define proom player.t_room
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66 #define max_hp player.t_stats.s_maxhp
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67 #define attach(a,b) _attach(&a,b)
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68 #define detach(a,b) _detach(&a,b)
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69 #define free_list(a) _free_list(&a)
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70 #ifndef max
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71 #define max(a,b) ((a) > (b) ? (a) : (b))
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72 #endif
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73 #define on(thing,flag) (((thing).t_flags & (flag)) != 0)
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74 #undef CTRL
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75 #define CTRL(ch) (ch & 037)
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76 #define GOLDCALC (rnd(50 + 10 * level) + 2)
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77 #define ISRING(h,r) (cur_ring[h] != NULL && cur_ring[h]->o_which == r)
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78 #define ISWEARING(r) (ISRING(LEFT, r) || ISRING(RIGHT, r))
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79 #define ISMULT(type) (type==POTION || type==SCROLL || type==FOOD || type==GOLD)
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80 #define INDEX(y,x) (((x) << 5) + (y))
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81 #define chat(y,x) (_level[((x) << 5) + (y)])
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82 #define flat(y,x) (_flags[((x) << 5) + (y)])
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83 #define moat(y,x) (_monst[((x) << 5) + (y)])
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84 #define unc(cp) (cp).y, (cp).x
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85 #ifdef WIZARD
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86 #define debug if (wizard) msg
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87 #endif
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88
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89 /*
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90 * Things that appear on the screens
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91 */
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92 #define PASSAGE '#'
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93 #define DOOR '+'
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94 #define FLOOR '.'
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95 #define PLAYER '@'
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96 #define TRAP '^'
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97 #define STAIRS '%'
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98 #define GOLD '*'
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99 #define POTION '!'
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100 #define SCROLL '?'
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101 #define MAGIC '$'
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102 #define FOOD ':'
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103 #define WEAPON ')'
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104 #define ARMOR ']'
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