annotate src/getname.c @ 13:ed82a42ba89d

Added code to cause missiles, fighters and plasmas to get confused in nebulous terrain. If it gets confused then it picks a random direction to go.
author darius
date Sat, 06 Dec 1997 06:27:03 +0000
parents aa38447a4b21
children
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4
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1 /*--------------------------------------------------------------------------
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2 NETREK II -- Paradise
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3
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4 Permission to use, copy, modify, and distribute this software and its
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5 documentation, or any derivative works thereof, for any NON-COMMERCIAL
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6 purpose and without fee is hereby granted, provided that this copyright
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7 notice appear in all copies. No representations are made about the
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8 suitability of this software for any purpose. This software is provided
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9 "as is" without express or implied warranty.
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10
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11 Xtrek Copyright 1986 Chris Guthrie
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12 Netrek (Xtrek II) Copyright 1989 Kevin P. Smith
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13 Scott Silvey
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14 Paradise II (Netrek II) Copyright 1993 Larry Denys
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15 Kurt Olsen
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16 Brandon Gillespie
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17 --------------------------------------------------------------------------*/
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18
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19 #include "config.h"
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20 #include <stdio.h>
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21 #include <sys/types.h>
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22 #include <sys/stat.h>
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23 #include <sys/file.h>
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24 #include <sys/ipc.h>
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25 #include <sys/shm.h>
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26 #include <sys/time.h>
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27 #ifndef ULTRIX
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28 #include <sys/fcntl.h>
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29 #endif
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30 #include <errno.h>
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31 #include <pwd.h>
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32 #include <string.h>
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33 #include <ctype.h>
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34 #include <time.h>
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35 #include "defs.h"
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36 #include "struct.h"
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37 #include "data.h"
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38 #include "packets.h"
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39 #include "path.h"
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40 #include "shmem.h"
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41
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42 #define crypt(a, b) (a)
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43
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44 void handleLogin();
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45 extern int exitGame();
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46 extern int isClientDead();
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47 extern int socketPause();
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48 extern int readFromClient();
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49 int lockout();
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50 extern int sendClientLogin();
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51 extern int flushSockBuf();
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52 #ifdef BAD_SVR4_HACKS
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53 int updateMOTD();
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54 #else
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55 extern int updateMOTD();
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56 #endif
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57 #ifndef IRIX
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58 extern int printf();
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59 #endif
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60 extern int read();
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61 extern int close();
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62 extern off_t lseek();
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63 extern int write();
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64 extern time_t time();
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65
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66 /* replace non-printable characters in string with spaces */
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67 static void
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68 remove_ctl(str)
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69 char *str;
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70 {
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71 while (*str)
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72 {
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73 if (!isgraph(*str)) /* not a printable character */
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74 *str = ' '; /* replace it with space */
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75 str++;
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76 }
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77 }
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78
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79 void
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80 getname()
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81 /* Let person identify themselves from w */
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82 {
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83 *(me->p_name) = 0;
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84 while (*(me->p_name) == 0)
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85 {
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86 handleLogin();
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87 }
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88 }
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89
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90 void
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91 handleLogin()
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92 {
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93 static struct statentry player;
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94 static int position = -1;
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95 int plfd;
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96 int entries;
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97 struct stat buf;
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98 char *paths;
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99
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100 paths = build_path(PLAYERFILE);
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101 *namePick = '\0';
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102 inputMask = CP_LOGIN;
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103 while (*namePick == '\0')
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104 {
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105 /* Been ghostbusted? */
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106 if (me->p_status == PFREE)
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107 exitGame();
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108 if (isClientDead())
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109 exitGame();
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110 socketPause();
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111 readFromClient();
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112 }
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113 #ifdef REMOVE_CTL /* untested */
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114 /* Change those annoying control characters to spaces */
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115 remove_ctl(namePick);
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116 #endif
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117 if ((strcmp(namePick, "Guest") == 0 || strcmp(namePick, "guest") == 0) &&
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118 !lockout())
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119 {
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120 hourratio = 5;
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121 memset(&player.stats, 0, sizeof(struct stats));
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122 player.stats.st_tticks = 1;
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123 player.stats.st_flags = ST_INITIAL;
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124 /*
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125 * If this is a query on Guest, the client is screwed, but I'll send him
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126 * some crud anyway.
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127 */
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128 if (passPick[15] != 0)
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129 {
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130 sendClientLogin(&player.stats);
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131 flushSockBuf();
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132 return;
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133 }
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134 sendClientLogin(&player.stats);
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135
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136 updateMOTD(); /* added here 1/19/93 KAO */
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137
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138 flushSockBuf();
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139 strcpy(me->p_name, namePick);
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140 me->p_pos = -1;
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141 memcpy(&(me->p_stats), &player.stats, sizeof(struct stats));
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142 return;
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143 }
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144 hourratio = 1;
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145 /* We look for the guy in the stat file */
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146 if (strcmp(player.name, namePick) != 0)
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147 {
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148 for (;;)
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149 { /* so I can use break; */
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150 plfd = open(paths, O_RDONLY, 0644);
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151 if (plfd < 0)
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152 {
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153 printf("I cannot open the player file!\n");
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154 strcpy(player.name, namePick);
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155 position = -1;
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156 printf("Error number: %d\n", errno);
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157 break;
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158 }
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159 position = 0;
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160 while (read(plfd, (char *) &player, sizeof(struct statentry)) ==
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161 sizeof(struct statentry))
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162 {
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163 #ifdef REMOVE_CTL /* untested */
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164 /*
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165 * this is a temporary thing to remove control chars from existing
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166 * entries in the player db
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167 */
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168 remove_ctl(player.name);
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169 #endif
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170 if (strcmp(namePick, player.name) == 0)
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171 {
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172 close(plfd);
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173 break;
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174 }
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175 position++;
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176 }
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177 if (strcmp(namePick, player.name) == 0)
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178 break;
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179 close(plfd);
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180 position = -1;
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181 strcpy(player.name, namePick);
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182 break;
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183 }
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184 }
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185 /* Was this just a query? */
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186 if (passPick[15] != 0)
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187 {
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188 if (position == -1)
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189 {
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190 sendClientLogin(NULL);
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191 }
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192 else
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193 {
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194 sendClientLogin(&player.stats);
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195 }
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196 flushSockBuf();
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197 return;
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198 }
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199 /* A new guy? */
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200 if ((position == -1) && !lockout())
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201 {
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202 strcpy(player.name, namePick);
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203 strcpy(player.password, crypt(passPick, namePick));
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204 memset(&player.stats, 0, sizeof(struct stats));
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205 player.stats.st_tticks = 1;
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206 player.stats.st_flags = ST_INITIAL;
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207 player.stats.st_royal = 0;
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208 plfd = open(paths, O_RDWR | O_CREAT, 0644);
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209 if (plfd < 0)
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210 {
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211 sendClientLogin(NULL);
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212 }
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213 else
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214 {
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215 fstat(plfd, &buf);
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216 entries = buf.st_size / sizeof(struct statentry);
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217 lseek(plfd, entries * sizeof(struct statentry), 0);
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218 write(plfd, (char *) &player, sizeof(struct statentry));
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219 close(plfd);
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220 me->p_pos = entries;
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221 memcpy(&(me->p_stats), &player.stats, sizeof(struct stats));
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222 strcpy(me->p_name, namePick);
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223 sendClientLogin(&player.stats);
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224 updateMOTD(); /* added here 1/19/93 KAO */
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225 }
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226 flushSockBuf();
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227 return;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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228 }
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229 /* An actual login attempt */
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230 if ((strcmp(player.password, crypt(passPick, player.password)) != 0) ||
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231 lockout())
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232 {
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233 sendClientLogin(NULL);
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234 }
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235 else
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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236 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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237 strcpy(me->p_name, namePick);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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238 me->p_pos = position;
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239 memcpy(&(me->p_stats), &player.stats, sizeof(struct stats));
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240
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241 sendClientLogin(&player.stats);
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242
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243 updateMOTD(); /* st_flags&ST_NOBITMAPS */
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244 }
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245 flushSockBuf();
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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246
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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247 #if 1
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248 /* Try to make the first person in the player database an Emperor */
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249 if (position == 0)
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250 me->p_stats.st_royal = NUMROYALRANKS - 1;
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251 #endif
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252
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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253 return;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
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254 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
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255
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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256 void
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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257 savestats()
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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258 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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259 int fd;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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260 char *paths;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
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261
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
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262 if (me->p_pos < 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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263 return;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
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264
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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265 paths = build_path(PLAYERFILE);
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darius
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266
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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267 fd = open(paths, O_WRONLY, 0644);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
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268 if (fd >= 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
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269 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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270 me->p_stats.st_lastlogin = time(NULL);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
271 lseek(fd, 32 + me->p_pos * sizeof(struct statentry), 0);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
272 write(fd, (char *) &me->p_stats, sizeof(struct stats));
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
273 close(fd);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
274 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
275 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
276
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
277 /* return true if we want a lockout */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
278 int
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
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279 lockout()
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
280 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
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281 return (
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
282 /*
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
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283 * (strncmp (login, "bozo", 4) == 0) ||
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
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284 */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
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285 0
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
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286 );
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
287 }