annotate src/listen.c @ 5:054275999194

Initial revision
author darius
date Sat, 06 Dec 1997 04:37:03 +0000
parents aa38447a4b21
children
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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 /*------------------------------------------------------------------------
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20 Startup program for netrek. Listens for connections, then forks off
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21 servers. Based on code written by Brett McCoy, but heavily modified.
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22
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23 Note that descriptor 2 is duped to descriptor 1, so that stdout and
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24 stderr go to the same file.
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25 --------------------------------------------------------------------------*/
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26
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27 #ifndef apollo
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28 #include <unistd.h>
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29 #endif
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30 #include <sys/types.h>
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31 #include <sys/time.h>
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32 #include <sys/socket.h>
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33 #include <sys/ioctl.h>
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34 #include <sys/stat.h>
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35 #include <sys/wait.h>
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36 #ifdef SVR4
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37 #include <sys/termios.h>
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38 #endif /* SVR4 */
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39 #include <netdb.h>
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40 #include <errno.h>
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41 #include <time.h>
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42 #include <netinet/in.h>
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43 #include <fcntl.h>
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44 #include <varargs.h>
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45 #include <stdio.h>
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46 #include <stdlib.h>
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47 #include <signal.h>
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48 #include <string.h>
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49 #ifdef SYSV
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50 #include <fcntl.h>
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51 #endif
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52 #ifdef hpux
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53 #include <sys/ptyio.h>
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54 #endif
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55 #include "defs.h"
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56 #include "path.h"
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57 #include "data.h"
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58
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59 /* #define DEF_PORT 2592 /* port to listen on */
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60 /*
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61 * #define NTSERV "bin/ntserv"
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62 *
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63 * #define METASERVER "metaserver.ecst.csuchico.edu"
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64 */
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65 /*
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66 * Since the metaserver address is a nameserver alias, we can't just compare
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67 * the peer hostname with the setting of METASERVER. The peer hostname
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68 * returned by gethostbyaddr() will be the machine's real name, which will be
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69 * different (and could change).
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70 *
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71 * So, we'll do a gethostbyname() on METASERVER to get an IP address, then we
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72 * can compare that with the connecting peer.
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73 *
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74 * It'd be overkill to get the metaserver's IP address with every connection;
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75 * and it may be inadequate to get it just once at startup, since listen can
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76 * exist for long periods of time, and the metaserver's IP address could be
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77 * changed in that time.
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78 *
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79 * So, we'll grab the IP address at least every META_UPDATE_TIME seconds
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80 */
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81 #define META_UPDATE_TIME (5*60*60) /* five hours */
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82
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83 void printlistenUsage();
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84 void set_env();
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85 int listenSock;
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86 short port = PORT;
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87 char *program;
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88 int meta_addr;
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89
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90 char *dateTime();
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91 void detach();
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92 void getConnections();
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93 void getListenSock();
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94 void multClose();
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95 void reaper();
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96 void terminate();
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97
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98 /*
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99 * Error reporting functions ripped from my library.
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100 */
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101 void syserr();
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102 void warnerr();
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103 void fatlerr();
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104 void err();
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105 char *lasterr();
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106 void print_pid();
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107
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108 struct hostent *gethostbyaddr();
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109 char *inet_ntoa();
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110 int metaserverflag;
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111 char *leagueflag = 0;
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112 char *observerflag = 0;
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113
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114 #define NEA 10
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115 char *extraargs[NEA];
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116 int extraargc = 0;
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117
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118 char *ntserv_binary = NTSERV;
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119
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120 /*
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121 * the System-V signal() function provides the older, unreliable signal
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122 * semantics. So, this is an implementation of signal using sigaction.
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123 */
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124
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125 void (*
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126 r_signal(sig, func)) ()
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127 int sig;
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128 void (*func) ();
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129 {
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130 struct sigaction act, oact;
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131
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132 act.sa_handler = func;
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133
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134 sigemptyset(&act.sa_mask);
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135 act.sa_flags = 0;
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136 #ifdef SA_RESTART
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137 act.sa_flags |= SA_RESTART;
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138 #endif
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139
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140 if (sigaction(sig, &act, &oact) < 0)
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141 return (SIG_ERR);
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142
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143 return (oact.sa_handler);
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144 }
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145
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146
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147 int
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148 main(argc, argv)
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149 int argc;
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150 char *argv[];
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151 {
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152 int i, key;
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153 int nogo = 0;
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154 struct hostent *he;
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155 struct timeval tv;
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156 time_t stamp, now;
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157
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158 metaserverflag = 0;
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159 #ifndef apollo
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160 nice(-20);
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161 nice(-20);
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162 nice(-20);
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163 #endif
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164
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165 for (i = 1; i < argc; i++)
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166 {
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167 if (*argv[i] == '-')
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168 {
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169 switch (argv[i][1])
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170 {
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171 case 'p':
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172 port = atoi(argv[i + 1]);
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173 break;
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174 case 'k':
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175 if (++i < argc && sscanf(argv[i], "%d", &key) > 0 && key > 0)
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176 set_env("TREKSHMKEY", argv[i]);
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177 else
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178 nogo++;
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179 break;
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180 case 'b':
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181 ntserv_binary = argv[++i];
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182 break;
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183 case 'h':
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184 case 'u': /* for old times sake, the others don't do
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185 * this, but this one does so it doesn't pass
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186 * to ntserv */
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187 case '-': /* same with this */
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188 nogo++;
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189 break;
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190 default:
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191 /* all unknown arguments are passed through to ntserv. */
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192 extraargs[extraargc++] = argv[i];
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
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193 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
194 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
195 /* else just ignore non flags */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
196 }
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parents:
diff changeset
197
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
198 if ((program = strrchr(argv[0], '/')))
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
199 ++program;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
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200 else
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
201 program = argv[0]; /* let err functions know our name */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
202
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
203 if (nogo)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
204 printlistenUsage(program);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
205
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
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206 detach(); /* detach from terminal, close files, etc. */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
207 print_pid(); /* log the new PID */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
208 getListenSock();
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
209 r_signal(SIGCHLD, reaper);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
210 r_signal(SIGTERM, terminate);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
211 r_signal(SIGHUP, SIG_IGN);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
212
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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diff changeset
213 meta_addr = 0;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
214 stamp = 0;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
215 tv.tv_sec = 1;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
216 tv.tv_usec = 0;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
217
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
218 while (1)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
219 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
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220 now = time(0);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
221 if (now - stamp > META_UPDATE_TIME)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
222 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
223 he = gethostbyname(METASERVER);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
224 if (he)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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diff changeset
225 meta_addr = *((int *) he->h_addr);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
226 stamp = now;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
227 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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228 getConnections();
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
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229 select(0, 0, 0, 0, &tv); /* wait one sec between each connection */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
230 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
231 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
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232
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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233 /***********************************************************************
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
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234 * Detach process in various ways.
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
235 */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
236
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
237 void
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
238 detach()
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
239 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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diff changeset
240 int fd, rc, mode;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
241 char *fname;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
242
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
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243 mode = S_IRUSR | S_IRGRP | S_IROTH | S_IWUSR;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
244 /* fname = build_path("startup.log"); */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
245 fname = build_path("logs/startup.log");
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
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246 if ((fd = open(fname, O_WRONLY | O_CREAT | O_APPEND, mode)) == -1)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
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247 syserr(1, "detach", "couldn't open log file. [%s]", dateTime());
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
248 dup2(fd, 2);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
249 dup2(fd, 1);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
250 multClose(1, 2, -1); /* close all other file descriptors */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
251 warnerr(0, "started at %s on port %d.", dateTime(), port);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
252
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
253 /* fork once to escape the shells job control */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
254 if ((rc = fork()) > 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
255 exit(0);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
256 else if (rc < 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
257 syserr(1, "detach", "couldn't fork. [%s]", dateTime());
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
258
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
259 /* now detach from the controlling terminal */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
260
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
261 #ifdef _SEQUENT_
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
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parents:
diff changeset
262 if ((fd = open("/dev/tty", O_RDWR | O_NOCTTY, 0)) >= 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
263 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
264 (void) close(fd);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
265 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
266 #else
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
267 if ((fd = open("/dev/tty", O_RDWR, 0)) == -1)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
268 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
269 warnerr("detach", "couldn't open tty, assuming still okay. [%s]",
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
270 dateTime());
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
271 return;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
272 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
273 #if defined(SYSV) && defined(TIOCTTY)
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 int zero = 0;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
276 ioctl(fd, TIOCTTY, &zero);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
277 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
278 #else
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
279 ioctl(fd, TIOCNOTTY, 0);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
280 #endif
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
281 close(fd);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
282 #endif /* _SEQUENT_ */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
283
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
284 setsid(); /* make us a new process group/session */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
285 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
286
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
287 /***********************************************************************
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
288 */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
289
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
290 void
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
291 getListenSock()
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
292 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
293 struct sockaddr_in addr;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
294
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
295 if ((listenSock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
296 syserr(1, "getListenSock", "can't create listen socket. [%s]",
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
297 dateTime());
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
298
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
299 addr.sin_family = AF_INET;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
300 addr.sin_addr.s_addr = INADDR_ANY;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
301 addr.sin_port = htons(port);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
302 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
303 /* added this so we could handle nuking listen. KAO 3/26/93 */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
304 int foo = 1;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
305 if (setsockopt(listenSock, SOL_SOCKET, SO_REUSEADDR, (char *) &foo,
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
306 sizeof(foo)) == -1)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
307 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
308 fprintf(stderr, "Error setting socket options in listen.\n");
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
309 exit(1);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
310 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
311 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
312 if (bind(listenSock, (struct sockaddr *) & addr, sizeof(addr)) < 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
313 syserr(1, "getListenSock", "can't bind listen socket. [%s]",
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
314 dateTime());
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
315
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
316 if (listen(listenSock, 5) != 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
317 syserr(1, "getListenSock", "can't listen to socket. [%s]", dateTime());
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
318 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
319
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
320 /***********************************************************************
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
321 */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
322
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
323 void
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
324 getConnections()
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
325 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
326 int len, sock, pid, pa;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
327 struct sockaddr_in addr;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
328 struct hostent *he;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
329 char host[100];
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
330
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
331 len = sizeof(addr);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
332 while ((sock = accept(listenSock, (struct sockaddr *) & addr, &len)) < 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
333 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
334 /* if we got interrupted by a dying child, just try again */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
335 if (errno == EINTR)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
336 continue;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
337 else
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
338 syserr(1, "getConnections",
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
339 "accept() on listen socket failed. [%s]", dateTime());
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
340 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
341
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
342 /* get the host name */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
343 he = gethostbyaddr((char *) &addr.sin_addr.s_addr,
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
344 sizeof(addr.sin_addr.s_addr), AF_INET);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
345 if (he != 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
346 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
347 strcpy(host, he->h_name);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
348 pa = *((int *) he->h_addr);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
349 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
350 else
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
351 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
352 strcpy(host, inet_ntoa(addr.sin_addr));
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
353 pa = (int) addr.sin_addr.s_addr;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
354 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
355
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
356 if (pa == meta_addr)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
357 metaserverflag = 1;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
358 /* else */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
359 warnerr(0, "connect: %-33s[%s][%d]", host, dateTime(), metaserverflag);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
360
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
361 /* fork off a server */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
362 if ((pid = fork()) == 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
363 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
364 char *newargv[10];
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
365 int newargc = 0;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
366 int i;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
367 char *binname;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
368 binname = build_path(ntserv_binary);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
369 dup2(sock, 0);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
370 multClose(0, 1, 2, -1); /* close everything else */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
371
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
372 newargv[newargc++] = "ntserv";
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
373 if (metaserverflag == 1)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
374 newargv[newargc++] = "-M";
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
375 for (i = 0; i < extraargc; i++)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
376 newargv[newargc++] = extraargs[i];
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
377 newargv[newargc++] = host;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
378 newargv[newargc] = 0;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
379
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
380 execv(binname, newargv);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
381
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
382 syserr(1, "getConnections",
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
383 "couldn't execv %s as the server. [%s]",
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
384 binname, dateTime());
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
385 exit(1);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
386 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
387 else if (pid < 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
388 syserr(1, "getConnections", "can't fork. [%s]", dateTime());
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
389
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
390 close(sock);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
391 metaserverflag = 0;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
392 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
393
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
394 /***********************************************************************
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
395 * Adds "var=value" to environment list
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
396 */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
397
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
398 void
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
399 set_env(var, value)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
400 char *var, *value;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
401 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
402 char *buf;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
403 #if defined(SYSV) || defined(sparc)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
404 buf = malloc(strlen(var) + strlen(value) + 2);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
405 if (!buf)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
406 syserr(1, "set_env", "malloc() failed. [%s]", dateTime());
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
407
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
408 strcpy(buf, var);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
409 strcat(buf, "=");
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
410 strcat(buf, value);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
411
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
412 putenv(buf);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
413 #else
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
414 /* don't need to malloc space, setenv() does it for us */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
415 setenv(var, value, 1);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
416 #endif
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
417 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
418
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
419
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
420 /***********************************************************************
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
421 * Returns a string containing the date and time. String area is static
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
422 * and reused.
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
423 */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
424
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
425 char *
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
426 dateTime()
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
427 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
428 time_t t;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
429 char *s;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
430
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
431 time(&t);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
432 s = ctime(&t);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
433 s[24] = '\0'; /* wipe-out the newline */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
434 return s;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
435 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
436
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
437 /***********************************************************************
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
438 * Handler for SIGTERM. Closes and shutdowns everything.
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
439 */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
440
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
441 void
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
442 terminate()
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
443 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
444 int s;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
445
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
446 fatlerr(1, "terminate", "killed. [%s]", dateTime());
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
447 #ifdef SYSV
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
448 s = sysconf(_SC_OPEN_MAX);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
449 if (s < 0) /* value for OPEN_MAX is indeterminate, */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
450 s = 32; /* so make a guess */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
451 #else
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
452 s = getdtablesize();
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
453 #endif
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
454 /* shutdown and close everything */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
455 for (; s >= 0; s--)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
456 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
457 shutdown(s, 2);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
458 close(s);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
459 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
460 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
461
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
462 /***********************************************************************
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
463 * Waits on zombie children.
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
464 */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
465
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
466 void
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
467 reaper()
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
468 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
469 #ifndef SVR4
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
470 while (wait3(0, WNOHANG, 0) > 0);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
471 #else
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
472 while (waitpid(0, 0, WNOHANG) > 0);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
473 #endif /* SVR4 */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
474 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
475
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
476 /***********************************************************************
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
477 * Close all file descriptors except the ones specified in the argument list.
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
478 * The list of file descriptors is terminated with -1 as the last arg.
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
479 */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
480
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
481 void
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
482 multClose(va_alist) va_dcl
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
483 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
484 va_list args;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
485 int fds[100], nfds, fd, ts, i, j;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
486
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
487 /* get all descriptors to be saved into the array fds */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
488 va_start(args);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
489 for (nfds = 0; nfds < 99; nfds++)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
490 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
491 if ((fd = va_arg(args, int)) == -1)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
492 break;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
493 else
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
494 fds[nfds] = fd;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
495 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
496
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
497 #ifdef SYSV
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
498 ts = sysconf(_SC_OPEN_MAX);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
499 if (ts < 0) /* value for OPEN_MAX is indeterminate, */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
500 ts = 32; /* so make a guess */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
501 #else
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
502 ts = getdtablesize();
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
503 #endif
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
504
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
505 /*
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
506 * close all descriptors, but first check the fds array to see if this one
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
507 * is an exception
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
508 */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
509 for (i = 0; i < ts; i++)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
510 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
511 for (j = 0; j < nfds; j++)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
512 if (i == fds[j])
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
513 break;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
514 if (j == nfds)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
515 close(i);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
516 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
517 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
518
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
519 /***********************************************************************
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
520 * Error reporting functions taken from my library.
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
521 */
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
522
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
523 extern int sys_nerr;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
524 #ifndef FreeBSD
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
525 extern char *sys_errlist[];
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
526 #endif
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
527 extern int errno;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
528
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
529 void
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
530 syserr(va_alist) va_dcl
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
531 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
532 va_list args;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
533 int rc;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
534
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
535 va_start(args);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
536 rc = va_arg(args, int);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
537 err(args);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
538 if (errno < sys_nerr)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
539 fprintf(stderr, " system message: %s\n", sys_errlist[errno]);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
540
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
541 exit(rc);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
542 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
543
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
544 void
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
545 warnerr(va_alist) va_dcl
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
546 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
547 va_list args;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
548
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
549 va_start(args);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
550 err(args);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
551 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
552
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
553 void
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
554 fatlerr(va_alist) va_dcl
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
555 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
556 va_list args;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
557 int rc;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
558
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
559 va_start(args);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
560 rc = va_arg(args, int);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
561 err(args);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
562
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
563 exit(rc);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
564 }
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
565
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
566 void
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
567 err(args)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
568 va_list args;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
569 {
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
570
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
571 char *func, *fmt;
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
572
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
573 if (program != 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
574 fprintf(stderr, "%s", program);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
575 func = va_arg(args, char *);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
576 if (func != 0 && strcmp(func, "") != 0)
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
577 fprintf(stderr, "(%s)", func);
aa38447a4b21 First entry of Paradise Server 2.9 patch 10 Beta
darius
parents:
diff changeset
578 fprintf(stderr, ": ");
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579
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580 fmt = va_arg(args, char *);
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581 vfprintf(stderr, fmt, args);
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582 fputc('\n', stderr);
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583 fflush(stderr);
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584 }
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585
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586 char *
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587 lasterr()
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588 {
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589 if (errno < sys_nerr)
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590 return sys_errlist[errno];
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591 else
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592 return "No message text for this error.";
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593 }
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594
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595 /*---------------------[ prints the usage of listen ]---------------------*/
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596
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597 void
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598 printlistenUsage(char name[])
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599 {
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600 int x;
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601 char message[][255] = {
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602 "\n\t'%s [options]'\n\n",
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603 "Options:\n",
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604 "\t-h help (this usage message)\n",
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605 "\t-p port other than default port\n",
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606 "\t-k n use n as shared memory key number\n\n",
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607 "Any unrecognized options are passed through to ntserv. For an up\n",
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608 "to date listing of available ntserv options check the binary.\n",
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609 "\nNOTE: in league play you must start up two listen processes, ",
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610 "one for each port.\n\n",
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611 "\0"
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612 };
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613
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614 fprintf(stderr, "-- NetrekII (Paradise), %s --\n", PARAVERS);
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615 for (x = 0; *message[x] != '\0'; x++)
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616 fprintf(stderr, message[x], name);
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617
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618 exit(1);
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619 }
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620
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621 /*--------------------------[ printlistenUsage ]--------------------------*/
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622
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623 /* set the pid logfile (BG) */
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624 void
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625 print_pid()
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626 {
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627 char *fname;
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628 FILE *fptr;
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629
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630 fname = build_path("logs/listen.pid");
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631 fptr = fopen(fname, "w+");
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632 fprintf(fptr, "%d", getpid());
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633 fclose(fptr);
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634 }