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annotate rogue4/fight.c @ 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 9535a08ddc39
children 1b73a8641b37
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12
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1 /*
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2 * All the fighting gets done here
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3 *
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4 * @(#)fight.c 4.30 (Berkeley) 4/6/82
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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 #include <curses.h>
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14 #include <ctype.h>
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15 #include <string.h>
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16 #include "rogue.h"
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17
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18 long e_levels[] = {
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19 10L,20L,40L,80L,160L,320L,640L,1280L,2560L,5120L,10240L,20480L,
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20 40920L, 81920L, 163840L, 327680L, 655360L, 1310720L, 2621440L, 0L
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21 };
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22
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23 /*
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24 * fight:
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25 * The player attacks the monster.
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26 */
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27 fight(mp, mn, weap, thrown)
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28 register coord *mp;
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29 char mn;
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30 register THING *weap;
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31 bool thrown;
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32 {
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33 register THING *tp;
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34 register bool did_hit = TRUE;
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35 register const char *mname;
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36
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37 /*
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38 * Find the monster we want to fight
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39 */
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40 #ifdef WIZARD
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41 if ((tp = moat(mp->y, mp->x)) == NULL)
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42 debug("Fight what @ %d,%d", mp->y, mp->x);
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43 #else
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44 tp = moat(mp->y, mp->x);
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45 #endif
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46 /*
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47 * Since we are fighting, things are not quiet so no healing takes
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48 * place.
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49 */
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50 count = quiet = 0;
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51 runto(mp, &hero);
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52 /*
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53 * Let him know it was really a mimic (if it was one).
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54 */
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55 if (tp->t_type == 'M' && tp->t_disguise != 'M' && !on(player, ISBLIND))
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56 {
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57 tp->t_disguise = 'M';
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58 if (!thrown)
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59 return FALSE;
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60 msg("wait! That's a mimic!");
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61 }
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62 did_hit = FALSE;
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63 if (on(player, ISBLIND))
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64 mname = "it";
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65 else
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66 mname = monsters[mn-'A'].m_name;
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67 if (roll_em(&player, tp, weap, thrown))
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68 {
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69 did_hit = FALSE;
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70 if (thrown)
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71 thunk(weap, mname);
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72 else
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73 hit(NULL, mname);
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74 if (on(player, CANHUH))
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75 {
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76 did_hit = TRUE;
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77 tp->t_flags |= ISHUH;
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78 player.t_flags &= ~CANHUH;
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79 msg("your hands stop glowing red");
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80 }
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81 if (tp->t_stats.s_hpt <= 0)
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82 killed(tp, TRUE);
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83 else if (did_hit && !on(player, ISBLIND))
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84 msg("the %s appears confused", mname);
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85 did_hit = TRUE;
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86 }
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87 else
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88 if (thrown)
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89 bounce(weap, mname);
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90 else
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91 miss(NULL, mname);
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92 return did_hit;
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93 }
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94
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95 /*
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96 * attack:
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97 * The monster attacks the player
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98 */
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99 attack(mp)
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100 register THING *mp;
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101 {
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102 register const char *mname;
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103
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104 /*
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105 * Since this is an attack, stop running and any healing that was
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