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annotate arogue7/rip.c @ 144:708bb2dea17c

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arogue7, xrogue: prevent potential NULL dereferencing. It is possible for getpwuid() to fail and return NULL. Various md_get* functions now check for this.
author John "Elwin" Edwards
date Mon, 18 May 2015 10:53:22 -0400
parents 7faf4568c295
children ca876944b196
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1 /*
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2 * rip.c - File for the fun ends Death or a total win
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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 /* Print flags for scoring */
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16 #define REALLIFE 1 /* Print out machine and logname */
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17 #define EDITSCORE 2 /* Edit the current score file */
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18 #define ADDSCORE 3 /* Add a new score */
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19
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20 #define NAMELEN 80
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21
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22 /*
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23 * File for the fun ends
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24 * Death or a total win
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25 *
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26 */
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27
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28 #include "curses.h"
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29 #ifdef BSD
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30 #include <sys/time.h>
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31 #else
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32 #include <time.h>
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33 #endif
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34 #include <signal.h>
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35 #include <ctype.h>
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36 #include <string.h>
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37 #include <stdlib.h>
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38 #include <sys/types.h>
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39 #include <fcntl.h>
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40 #include "mach_dep.h"
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41 #include "network.h"
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42 #include "rogue.h"
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43 #ifdef PC7300
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44 #include "sys/window.h"
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45 extern struct uwdata wdata, oldwin;
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46 extern char oldtext[WTXTNUM][WTXTLEN];
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47 #endif
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48
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49 extern int scorefd;
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50 extern FILE *logfile;
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51
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52 #ifdef NUMNET
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53 /* Network machines (for mutual score keeping) */
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54 static struct network Network[NUMNET] = {
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55 { "ihwpt", "/t1/michael/bin/rg" },
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56 };
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57 #endif
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58
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59 /*
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60 * If you change this structure, change the compatibility routines
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61 * scoreout() and scorein() to reflect the change. Also update SCORELEN.
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62 */
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63 struct sc_ent {
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64 unsigned long sc_score;
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65 char sc_name[NAMELEN];
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66 char sc_system[SYSLEN];
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67 char sc_login[LOGLEN];
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68 short sc_flags;
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69 short sc_level;
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70 short sc_ctype;
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71 short sc_monster;
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72 short sc_quest;
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73 };
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74 #define SCORELEN \
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75 (sizeof(unsigned long) + NAMELEN + SYSLEN + LOGLEN + 5*sizeof(short))
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76
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77 static char *rip[] = {
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78 " __________",
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79 " / \\",
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80 " / REST \\",
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81 " / IN \\",
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82 " / PEACE \\",
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83 " / \\",
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84 " | |",
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85 " | |",
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86 " | killed by |",
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87 " | |",
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88 " | 1984 |",
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89 " *| * * * | *",
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90 " ________)/\\\\_//(\\/(/\\)/\\//\\/|_)_______",
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91 0
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92