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annotate rogue5/mdport.c @ 75:19903deed392

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arogue5: fix the crash when checking prices in shops. A buffer called curpurch, which stores a description of an item in a trading post which the player might be interested in, was only 15 bytes. It was overflowing into oldrp, a room pointer, leading to segfaults. The size of curpurch has been increased to LINELEN*2, which matches the size of prbuf, which is returned by inv_name and then strcpy()'d to curpurch. As long as nothing overflows prbuf it should be safe now. NOTE that this breaks savefile compatibility.
author John "Elwin" Edwards <elwin@sdf.org>
date Wed, 05 Sep 2012 10:14:34 -0700
parents 3c5682bbf164
children ba9930a7f99d
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33
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1 /*
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2 mdport.c - Machine Dependent Code
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3
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4 Copyright (C) 2005-2008 Nicholas J. Kisseberth
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5 All rights reserved.
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6
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7 Redistribution and use in source and binary forms, with or without
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8 modification, are permitted provided that the following conditions
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9 are met:
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10 1. Redistributions of source code must retain the above copyright
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11 notice, this list of conditions and the following disclaimer.
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12 2. Redistributions in binary form must reproduce the above copyright
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13 notice, this list of conditions and the following disclaimer in the
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14 documentation and/or other materials provided with the distribution.
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15 3. Neither the name(s) of the author(s) nor the names of other contributors
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16 may be used to endorse or promote products derived from this software
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17 without specific prior written permission.
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18
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19 THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTORS ``AS IS'' AND
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20 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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22 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTORS BE LIABLE
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23 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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24 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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25 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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26 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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27 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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28 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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29 SUCH DAMAGE.
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30 */
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31
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32 #include <stdlib.h>
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33 #include <string.h>
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34
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35 #if defined(_WIN32)
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36 #include <Windows.h>
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37 #include <Lmcons.h>
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38 #include <io.h>
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39 #include <conio.h>
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40 #pragma warning( disable: 4201 )
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41 #include <shlobj.h>
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42 #pragma warning( default: 4201 )
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43 #include <Shlwapi.h>
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44 #undef MOUSE_MOVED
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45 #endif
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46
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47 #include <curses.h>
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48 #include "extern.h"
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49
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50 #if defined(HAVE_SYS_TYPES)
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51 #include <sys/types.h>
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52 #endif
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53
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54 #if defined(HAVE_PROCESS_H)
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55 #include <process.h>
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56 #endif
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57
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58 #if defined(HAVE_PWD_H)
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59 #include <pwd.h>
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60 #endif
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61
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62 #if defined(HAVE_SYS_UTSNAME)
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63 #include <sys/utsname.h>
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64 #endif
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65
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66 #if defined(HAVE_ARPA_INET_H)
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67 #include <arpa/inet.h> /* Solaris 2.8 required this for htonl() and ntohl() */
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68 #endif
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69
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70 #if defined(HAVE_TERMIOS_H)
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71 #include <termios.h>
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72 #endif
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73
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74 #if defined(HAVE_UNISTD_H)
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75 #ifndef __USE_GNU
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76 #define __USE_GNU
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77 #include <unistd.h>
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78 #undef __USE_GNU
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79 #else
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80 #include <unistd.h>
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81 #endif
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82 #endif
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83
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84 #include <curses.h> /* AIX requires curses.h be included before term.h */
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85
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86 #if defined(HAVE_TERM_H)
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87 #include <term.h>
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88 #elif defined(HAVE_NCURSES_TERM_H)
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89 #include <ncurses/term.h>
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90 #endif
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91
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92 #if defined(HAVE_WORKING_FORK)
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93 #include <sys/wait.h>
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94 #endif
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95
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96 #include <ctype.h>
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97 #include <fcntl.h>
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98 #include <limits.h>
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99 #include <sys/stat.h>
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100 #include <signal.h>
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101 #include "extern.h"
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102
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103 #if !defined(PATH_MAX) && defined(_MAX_PATH)
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104 #define PATH_MAX _MAX_PATH
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105 #endif
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