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annotate urogue/getplay.c @ 310:827441d05b3e

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Advanced Rogue family: fix some potential buffer overflows. Some code for determining the score file location assumed that PATH_MAX would be less than 1024, which cannot be guaranteed. Advanced Rogue 5 and 7, and XRogue, have had the buffers for the file name enlarged. UltraRogue never called the functions, so the code has been deleted instead.
author John "Elwin" Edwards
date Mon, 03 May 2021 19:05:37 -0400
parents 0250220d8cdd
children
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1 /*
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2 getplay.c - Procedures for saving and retrieving a characters starting
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3 attributes, armour, and weapon.
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4
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5 UltraRogue: The Ultimate Adventure in the Dungeons of Doom
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6 Copyright (C) 1985, 1986, 1992, 1993, 1995 Herb Chong
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7 All rights reserved.
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8
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9 See the file LICENSE.TXT for full copyright and licensing information.
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10 */
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11
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12 /* 11/08/83 ???, S.A. Hester */
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13
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14 #include <stdlib.h>
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15 #include <ctype.h>
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16 #include <string.h>
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17 #include "rogue.h"
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18
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19 #ifdef HAVE_CONFIG_H
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20 #include "config.h"
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21 #endif
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22
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23 #define I_STR 0
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24 #define I_INTEL 1
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25 #define I_WISDOM 2
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26 #define I_DEXT 3
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27 #define I_CONST 4
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28 #define I_CHARISMA 5
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29 #define I_HPT 6
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30 #define I_POWER 7
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31 #define I_CTYPE 8
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32 #define MAXPATT 9 /* Total Number of above defines. */
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33 #define MAXPDEF 10 /* Maximum number of pre-defined chars */
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34
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35 static int def_array[MAXPDEF][MAXPATT]; /* Pre-def'd chars */
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36
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37 static void get_chr_filename(char *filename, int size)
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38 {
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39 const char *home;
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40
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41 home = getenv("HOME");
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42
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43 #ifdef CHARDIR
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44 if (use_savedir)
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45 {
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46 strncpy(filename, CHARDIR, size);
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47 filename[size-1] = '\0';
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48 snprintf(filename, size, "%s/%d-%.80s.chr", CHARDIR, md_getuid(),
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49 whoami);
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50 return;
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51 }
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52 #endif
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53 if (home) {
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54 if ((int)strlen(home) < (size - 12) )
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55 {
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56 strcpy(filename, home);
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57 strcat(filename,"/urogue.chr");
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58 }
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59 else
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60 strncpy(filename,"urogue.chr",size);
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61 }
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62 else
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63 strcpy(filename, "urogue.chr");
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64 }
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65
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66 int
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67 geta_player(void)
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68 {
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69 int i;
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70 FILE *fd;
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71 char pbuf[2 * LINELEN];
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72 char filename[200];
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73
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74 get_chr_filename(filename, sizeof(filename));
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75
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76 if ((fd = fopen(filename, "r")) == NULL)
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77 return(FALSE);
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78
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79 fread(def_array, sizeof(def_array), 1, fd);
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80 fclose(fd);
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81
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82 wclear(hw);
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83 touchwin(hw);
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84
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85 print_stored();
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86 mvwaddstr(hw, 0, 0, "Do you wish to select a character? ");
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87 wrefresh(hw);
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88
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89 if (readcharw(hw) != 'y')
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90 return FALSE;
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