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annotate xrogue/wizard.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 ce0cf824c192
children f54901b9c39b
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133
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1 /*
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2 wizard.c - Special wizard commands
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3
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4 XRogue: Expeditions into the Dungeons of Doom
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5 Copyright (C) 1991 Robert Pietkivitch
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6 All rights reserved.
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7
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8 Based on "Advanced Rogue"
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9 Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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10 All rights reserved.
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11
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12 Based on "Rogue: Exploring the Dungeons of Doom"
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13 Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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14 All rights reserved.
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15
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16 See the file LICENSE.TXT for full copyright and licensing information.
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17 */
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18
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19 /*
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20 * Special wizard commands (some of which are also non-wizard commands
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21 * under strange circumstances)
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22 */
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23
135
ce0cf824c192 xrogue: add missing includes.
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24 #include <stdlib.h>
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25 #include <curses.h>
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26 #include <ctype.h>
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27 #include <string.h>
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28 #include "rogue.h"
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29 #include "mach_dep.h"
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30
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31 /*
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32 * create_obj:
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33 * Create any object for wizard, scroll, magician, or cleric
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34 */
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35
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36 create_obj(prompt, which_item, which_type)
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37 bool prompt;
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38 int which_item, which_type;
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39 {
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40 reg struct linked_list *item;
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41 reg struct object *obj;
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42 reg int wh;
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43 char *pt;
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44 reg int ch, whc, newtype = 0, msz, newitem;
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45 WINDOW *thiswin;
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46
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47 thiswin = cw;
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48 if (prompt) {
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49 bool nogood = TRUE;
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50
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51 thiswin = hw;
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52 wclear(hw);
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53 wprintw(hw,"Item\t\t\tKey\n\n");
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54 wprintw(hw,"%s\t\t\t%c\n%s\t\t\t%c\n",things[TYP_RING].mi_name,RING,
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55 things[TYP_STICK].mi_name,STICK);
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56 wprintw(hw,"%s\t\t\t%c\n%s\t\t\t%c\n",things[TYP_POTION].mi_name,POTION,
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57 things[TYP_SCROLL].mi_name,SCROLL);
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58 wprintw(hw,"%s\t\t\t%c\n%s\t\t\t%c\n",things[TYP_ARMOR].mi_name,ARMOR,
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59 things[TYP_WEAPON].mi_name,WEAPON);
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60 wprintw(hw,"%s\t%c\n",things[TYP_MM].mi_name,MM);
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61 wprintw(hw,"%s\t\t\t%c\n",things[TYP_FOOD].mi_name,FOOD);
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62 if (wizard) {
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63 wprintw(hw,"%s\t\t%c\n",things[TYP_RELIC].mi_name,RELIC);
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64 wprintw(hw,"monster\t\t\tm");
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65 }
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66 wprintw(hw,"\n\nWhat do you want to create? ");
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67 draw(hw);
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68 do {
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69 ch = wgetch(hw);
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70 if (ch == ESC) {
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71 restscr(cw);
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72 return;
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73 }
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74 switch (ch) {
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75 case RING:
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76 case STICK:
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77 case POTION:
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78 case SCROLL:
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79 case ARMOR:
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80 case WEAPON:
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81 case FOOD:
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82 case MM:
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83 nogood = FALSE;
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84 break;
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85 case RELIC:
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86 case 'm':
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87 if (wizard)
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88 nogood = FALSE;
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89 break;
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90 default:
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91 nogood = TRUE;
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