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annotate arogue7/misc.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 cadff8f047a1
children 1cd604c827a3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * misc.c - routines dealing specifically with miscellaneous magic
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3 *
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4 * Advanced Rogue
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5 * Copyright (C) 1984, 1985, 1986 Michael Morgan, Ken Dalka and AT&T
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6 * All rights reserved.
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7 *
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8 * Based on "Rogue: Exploring the Dungeons of Doom"
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9 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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10 * All rights reserved.
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11 *
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12 * See the file LICENSE.TXT for full copyright and licensing information.
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13 */
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14
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15 #include "curses.h"
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b786053d2f37 arogue7: add missing header includes.
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16 #include <stdlib.h>
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17 #include <ctype.h>
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18 #include "rogue.h"
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19 #ifdef PC7300
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20 #include "menu.h"
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21 #endif
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22
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23 /*
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24 * routines dealing specifically with miscellaneous magic
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25 */
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26
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27 /*
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28 * changeclass:
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29 * Change the player's class to the specified one.
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30 */
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31
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32 changeclass(newclass)
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33 int newclass;
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34 {
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35 if (newclass == player.t_ctype) {
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36 msg("You feel more skillful.");
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37 raise_level();
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38 }
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39 else {
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40 /*
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41 * reset his class and then use check_level to reset hit
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42 * points and the right level for his exp pts
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43 * drop exp pts by 10%
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44 */
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45 long save;
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46
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47 msg("You feel like a whole new person!");
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48
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49 /*
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50 * if he becomes a thief he has to have leather armor
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51 */
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52 if ((newclass == C_THIEF || newclass == C_ASSASIN) &&
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53 cur_armor != NULL &&
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54 cur_armor->o_which != LEATHER &&
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55 cur_armor->o_which != STUDDED_LEATHER )
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56 cur_armor->o_which = STUDDED_LEATHER;
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57 /*
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58 * if he becomes a monk he can't wear armor
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59 */
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60 if (newclass == C_MONK && cur_armor != NULL) {
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61 cur_armor->o_ac = armors[cur_armor->o_which].a_class -
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62 cur_armor->o_ac;
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63 cur_armor->o_type = MM;
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64 cur_armor->o_which = MM_PROTECT;
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65 cur_armor->o_flags &= ~(ISPROT | ISKNOW | ISMETAL);
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66 cur_misc[WEAR_CLOAK] = cur_armor;
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67 cur_armor = NULL;
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68 }
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69 /*
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70 * if he used to be a spell caster of some sort, kill the fuse
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71 */
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72 if (player.t_ctype == C_MAGICIAN || player.t_ctype == C_RANGER)
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73 extinguish(spell_recovery);
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74 if (player.t_ctype == C_DRUID || player.t_ctype == C_RANGER)
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75 extinguish(chant_recovery);
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76 if ((player.t_ctype == C_CLERIC || player.t_ctype == C_PALADIN) &&
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77 !cur_relic[HEIL_ANKH])
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78 extinguish(prayer_recovery);
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79 /*
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80 * if he becomes a spell caster of some kind, give him a fuse
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81 */
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82 if (newclass == C_MAGICIAN || newclass == C_RANGER)
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83 fuse(spell_recovery, 0, SPELLTIME, AFTER);
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84 if (newclass == C_DRUID || newclass == C_RANGER)
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85 fuse(chant_recovery, 0, SPELLTIME, AFTER);
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86 if ((newclass==C_CLERIC || newclass==C_PALADIN) && !cur_misc[HEIL_ANKH])
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87 fuse(prayer_recovery, 0, SPELLTIME, AFTER);
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88 /*
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89 * if he's changing from a fighter then may have to change
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90 * his sword since only fighter can use two-handed
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91 * and bastard swords