src/ircd.c

   1 /*
   2  *  charybdis: A slightly useful ircd.
   3  *  ircd.c: Starts up and runs the ircd.
   4  *
   5  *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
   6  *  Copyright (C) 1996-2002 Hybrid Development Team
   7  *  Copyright (C) 2002-2008 ircd-ratbox development team
   8  *  Copyright (C) 2005-2008 charybdis development team
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  23  *  USA
  24  *
  25  *  $Id$
  26  */
  27
  28 #include "ratbox_lib.h"
  29 #include "stdinc.h"
  30 #include "setup.h"
  31 #include "config.h"
  32 #include "ircd.h"
  33 #include "channel.h"
  34 #include "class.h"
  35 #include "client.h"
  36 #include "common.h"
  37 #include "hash.h"
  38 #include "match.h"
  39 #include "ircd_signal.h"
  40 #include "msg.h"                /* msgtab */
  41 #include "hostmask.h"
  42 #include "numeric.h"
  43 #include "parse.h"
  44 #include "res.h"
  45 #include "restart.h"
  46 #include "s_auth.h"
  47 #include "s_conf.h"
  48 #include "logger.h"
  49 #include "s_serv.h"             /* try_connections */
  50 #include "s_user.h"
  51 #include "s_stats.h"
  52 #include "scache.h"
  53 #include "send.h"
  54 #include "supported.h"
  55 #include "whowas.h"
  56 #include "modules.h"
  57 #include "hook.h"
  58 #include "ircd_getopt.h"
  59 #include "newconf.h"
  60 #include "reject.h"
  61 #include "s_conf.h"
  62 #include "s_newconf.h"
  63 #include "cache.h"
  64 #include "monitor.h"
  65 #include "patchlevel.h"
  66 #include "serno.h"
  67 #include "sslproc.h"
  68 #include "chmode.h"
  69 #include "privilege.h"
  70 #include "bandbi.h"
  71
  72 /* /quote set variables */
  73 struct SetOptions GlobalSetOptions;
  74
  75 /* configuration set from ircd.conf */
  76 struct config_file_entry ConfigFileEntry;
  77 /* server info set from ircd.conf */
  78 struct server_info ServerInfo;
  79 /* admin info set from ircd.conf */
  80 struct admin_info AdminInfo;
  81
  82 struct Counter Count;
  83 struct ServerStatistics ServerStats;
  84
  85 int maxconnections;
  86 struct Client me;               /* That's me */
  87 struct LocalUser meLocalUser;   /* That's also part of me */
  88
  89 rb_dlink_list global_client_list;
  90
  91 /* unknown/client pointer lists */
  92 rb_dlink_list unknown_list;        /* unknown clients ON this server only */
  93 rb_dlink_list lclient_list;     /* local clients only ON this server */
  94 rb_dlink_list serv_list;           /* local servers to this server ONLY */
  95 rb_dlink_list global_serv_list;    /* global servers on the network */
  96 rb_dlink_list local_oper_list;     /* our opers, duplicated in lclient_list */
  97 rb_dlink_list oper_list;           /* network opers */
  98
  99 const char *logFileName = LPATH;
 100 const char *pidFileName = PPATH;
 101
 102 char **myargv;
 103 int dorehash = 0;
 104 int dorehashbans = 0;
 105 int doremotd = 0;
 106 int kline_queued = 0;
 107 int server_state_foreground = 0;
 108 int opers_see_all_users = 0;
 109 int ssl_ok = 0;
 110 int zlib_ok = 1;
 111
 112 int testing_conf = 0;
 113 time_t startup_time;
 114
 115 int default_server_capabs = CAP_MASK;
 116
 117 int splitmode;
 118 int splitchecking;
 119 int split_users;
 120 int split_servers;
 121 int eob_count;
 122
 123 void
 124 ircd_shutdown(const char *reason)
 125 {
 126         struct Client *target_p;
 127         rb_dlink_node *ptr;
 128
 129         RB_DLINK_FOREACH(ptr, lclient_list.head)
 130         {
 131                 target_p = ptr->data;
 132
 133                 sendto_one(target_p, ":%s NOTICE %s :Server Terminating. %s",
 134                         me.name, target_p->name, reason);
 135         }
 136
 137         RB_DLINK_FOREACH(ptr, serv_list.head)
 138         {
 139                 target_p = ptr->data;
 140
 141                 sendto_one(target_p, ":%s ERROR :Terminated by %s",
 142                         me.name, reason);
 143         }
 144
 145         ilog(L_MAIN, "Server Terminating. %s", reason);
 146         close_logfiles();
 147
 148         unlink(pidFileName);
 149         exit(0);
 150 }
 151
 152 /*
 153  * print_startup - print startup information
 154  */
 155 static void
 156 print_startup(int pid)
 157 {
 158         inotice("now running in %s mode from %s as pid %d ...",
 159                !server_state_foreground ? "background" : "foreground",
 160                 ConfigFileEntry.dpath, pid);
 161
 162         /* let the parent process know the initialization was successful
 163          * -- jilles */
 164         if (!server_state_foreground)
 165                 write(0, ".", 1);
 166         fclose(stdin);
 167         fclose(stdout);
 168         fclose(stderr);
 169         open("/dev/null", O_RDWR);
 170         dup2(0, 1);
 171         dup2(0, 2);
 172 }
 173
 174 /*
 175  * init_sys
 176  *
 177  * inputs       - boot_daemon flag
 178  * output       - none
 179  * side effects - if boot_daemon flag is not set, don't daemonize
 180  */
 181 static void
 182 init_sys(void)
 183 {
 184 #if defined(RLIMIT_NOFILE) && defined(HAVE_SYS_RESOURCE_H)
 185         struct rlimit limit;
 186
 187         if(!getrlimit(RLIMIT_NOFILE, &limit))
 188         {
 189                 maxconnections = limit.rlim_cur;
 190                 if(maxconnections <= MAX_BUFFER)
 191                 {
 192                         fprintf(stderr, "ERROR: Shell FD limits are too low.\n");
 193                         fprintf(stderr, "ERROR: charybdis reserves %d FDs, shell limits must be above this\n", MAX_BUFFER);
 194                         exit(EXIT_FAILURE);
 195                 }
 196                 return;
 197         }
 198 #endif /* RLIMIT_FD_MAX */
 199         maxconnections = MAXCONNECTIONS;
 200 }
 201
 202 static int
 203 make_daemon(void)
 204 {
 205         int pid;
 206         int pip[2];
 207         char c;
 208
 209         if (pipe(pip) < 0)
 210         {
 211                 perror("pipe");
 212                 exit(EXIT_FAILURE);
 213         }
 214         dup2(pip[1], 0);
 215         close(pip[1]);
 216         if((pid = fork()) < 0)
 217         {
 218                 perror("fork");
 219                 exit(EXIT_FAILURE);
 220         }
 221         else if(pid > 0)
 222         {
 223                 close(0);
 224                 /* Wait for initialization to finish, successfully or
 225                  * unsuccessfully. Until this point the child may still
 226                  * write to stdout/stderr.
 227                  * -- jilles */
 228                 if (read(pip[0], &c, 1) > 0)
 229                         exit(EXIT_SUCCESS);
 230                 else
 231                         exit(EXIT_FAILURE);
 232         }
 233
 234         close(pip[0]);
 235         setsid();
 236 /*      fclose(stdin);
 237         fclose(stdout);
 238         fclose(stderr); */
 239
 240         return 0;
 241 }
 242
 243 static int printVersion = 0;
 244
 245 struct lgetopt myopts[] = {
 246         {"configfile", &ConfigFileEntry.configfile,
 247          STRING, "File to use for ircd.conf"},
 248         {"logfile", &logFileName,
 249          STRING, "File to use for ircd.log"},
 250         {"pidfile", &pidFileName,
 251          STRING, "File to use for process ID"},
 252         {"foreground", &server_state_foreground,
 253          YESNO, "Run in foreground (don't detach)"},
 254         {"version", &printVersion,
 255          YESNO, "Print version and exit"},
 256         {"conftest", &testing_conf,
 257          YESNO, "Test the configuration files and exit"},
 258         {"help", NULL, USAGE, "Print this text"},
 259         {NULL, NULL, STRING, NULL},
 260 };
 261
 262 static void
 263 check_rehash(void *unused)
 264 {
 265         /*
 266          * Check to see whether we have to rehash the configuration ..
 267          */
 268         if(dorehash)
 269         {
 270                 rehash(1);
 271                 dorehash = 0;
 272         }
 273
 274         if(dorehashbans)
 275         {
 276                 rehash_bans(1);
 277                 dorehashbans = 0;
 278         }
 279
 280         if(doremotd)
 281         {
 282                 sendto_realops_snomask(SNO_GENERAL, L_ALL,
 283                                      "Got signal SIGUSR1, reloading ircd motd file");
 284                 cache_user_motd();
 285                 doremotd = 0;
 286         }
 287 }
 288
 289 /*
 290  * initalialize_global_set_options
 291  *
 292  * inputs       - none
 293  * output       - none
 294  * side effects - This sets all global set options needed
 295  */
 296 static void
 297 initialize_global_set_options(void)
 298 {
 299         memset(&GlobalSetOptions, 0, sizeof(GlobalSetOptions));
 300         /* memset( &ConfigFileEntry, 0, sizeof(ConfigFileEntry)); */
 301
 302         GlobalSetOptions.maxclients = ServerInfo.default_max_clients;
 303
 304         if(GlobalSetOptions.maxclients > (maxconnections - MAX_BUFFER) || (GlobalSetOptions.maxclients <= 0))
 305                 GlobalSetOptions.maxclients = maxconnections - MAX_BUFFER;
 306
 307         GlobalSetOptions.autoconn = 1;
 308
 309         GlobalSetOptions.spam_time = MIN_JOIN_LEAVE_TIME;
 310         GlobalSetOptions.spam_num = MAX_JOIN_LEAVE_COUNT;
 311
 312         if(ConfigFileEntry.default_floodcount)
 313                 GlobalSetOptions.floodcount = ConfigFileEntry.default_floodcount;
 314         else
 315                 GlobalSetOptions.floodcount = 10;
 316
 317         split_servers = ConfigChannel.default_split_server_count;
 318         split_users = ConfigChannel.default_split_user_count;
 319
 320         if(split_users && split_servers
 321            && (ConfigChannel.no_create_on_split || ConfigChannel.no_join_on_split))
 322         {
 323                 splitmode = 1;
 324                 splitchecking = 1;
 325         }
 326
 327         if(ConfigFileEntry.default_ident_timeout)
 328                 GlobalSetOptions.ident_timeout = ConfigFileEntry.default_ident_timeout;
 329         else
 330                 GlobalSetOptions.ident_timeout = IDENT_TIMEOUT;
 331
 332         if(ConfigFileEntry.default_operhost)
 333                 rb_strlcpy(GlobalSetOptions.operhost,
 334                         ConfigFileEntry.default_operhost,
 335                         sizeof(GlobalSetOptions.operhost));
 336         else
 337                 rb_strlcpy(GlobalSetOptions.operhost, "", sizeof(GlobalSetOptions.operhost));
 338
 339         rb_strlcpy(GlobalSetOptions.operstring,
 340                 ConfigFileEntry.default_operstring,
 341                 sizeof(GlobalSetOptions.operstring));
 342         rb_strlcpy(GlobalSetOptions.adminstring,
 343                 ConfigFileEntry.default_adminstring,
 344                 sizeof(GlobalSetOptions.adminstring));
 345
 346         /* memset( &ConfigChannel, 0, sizeof(ConfigChannel)); */
 347
 348         /* End of global set options */
 349
 350 }
 351
 352 /*
 353  * initialize_server_capabs
 354  *
 355  * inputs       - none
 356  * output       - none
 357  */
 358 static void
 359 initialize_server_capabs(void)
 360 {
 361         default_server_capabs &= ~CAP_ZIP;
 362 }
 363
 364
 365 /*
 366  * write_pidfile
 367  *
 368  * inputs       - filename+path of pid file
 369  * output       - none
 370  * side effects - write the pid of the ircd to filename
 371  */
 372 static void
 373 write_pidfile(const char *filename)
 374 {
 375         FILE *fb;
 376         char buff[32];
 377         if((fb = fopen(filename, "w")))
 378         {
 379                 unsigned int pid = (unsigned int) getpid();
 380
 381                 rb_snprintf(buff, sizeof(buff), "%u\n", pid);
 382                 if((fputs(buff, fb) == -1))
 383                 {
 384                         ilog(L_MAIN, "Error writing %u to pid file %s (%s)",
 385                              pid, filename, strerror(errno));
 386                 }
 387                 fclose(fb);
 388                 return;
 389         }
 390         else
 391         {
 392                 ilog(L_MAIN, "Error opening pid file %s", filename);
 393         }
 394 }
 395
 396 /*
 397  * check_pidfile
 398  *
 399  * inputs       - filename+path of pid file
 400  * output       - none
 401  * side effects - reads pid from pidfile and checks if ircd is in process
 402  *                list. if it is, gracefully exits
 403  * -kre
 404  */
 405 static void
 406 check_pidfile(const char *filename)
 407 {
 408         FILE *fb;
 409         char buff[32];
 410         pid_t pidfromfile;
 411
 412         /* Don't do logging here, since we don't have log() initialised */
 413         if((fb = fopen(filename, "r")))
 414         {
 415                 if(fgets(buff, 20, fb) != NULL)
 416                 {
 417                         pidfromfile = atoi(buff);
 418                         if(!kill(pidfromfile, 0))
 419                         {
 420                                 printf("ircd: daemon is already running\n");
 421                                 exit(-1);
 422                         }
 423                 }
 424                 fclose(fb);
 425         }
 426 }
 427
 428 /*
 429  * setup_corefile
 430  *
 431  * inputs       - nothing
 432  * output       - nothing
 433  * side effects - setups corefile to system limits.
 434  * -kre
 435  */
 436 static void
 437 setup_corefile(void)
 438 {
 439 #ifdef HAVE_SYS_RESOURCE_H
 440         struct rlimit rlim;     /* resource limits */
 441
 442         /* Set corefilesize to maximum */
 443         if(!getrlimit(RLIMIT_CORE, &rlim))
 444         {
 445                 rlim.rlim_cur = rlim.rlim_max;
 446                 setrlimit(RLIMIT_CORE, &rlim);
 447         }
 448 #endif
 449 }
 450
 451 static void
 452 ircd_log_cb(const char *str)
 453 {
 454         ilog(L_MAIN, "libratbox reports: %s", str);
 455 }
 456
 457 static void
 458 ircd_restart_cb(const char *str)
 459 {
 460         inotice("libratbox has called the restart callback: %s", str);
 461         restart(str);
 462 }
 463
 464 /*
 465  * Why EXIT_FAILURE here?
 466  * Because if ircd_die_cb() is called it's because of a fatal
 467  * error inside libcharybdis, and we don't know how to handle the
 468  * exception, so it is logical to return a FAILURE exit code here.
 469  *    --nenolod
 470  */
 471 static void
 472 ircd_die_cb(const char *str)
 473 {
 474         if(str != NULL)
 475         {
 476                 /* Try to get the message out to currently logged in operators. */
 477                 sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "libratbox has called the die callback..aborting: %s", str);
 478                 inotice("libratbox has called the die callback..aborting: %s", str);
 479         }
 480         else
 481                 inotice("libratbox has called the die callback..aborting");
 482
 483         unlink(pidFileName);
 484         exit(EXIT_FAILURE);
 485 }
 486
 487 struct ev_entry *check_splitmode_ev = NULL;
 488
 489 static int
 490 seed_with_urandom(void)
 491 {
 492         unsigned int seed;
 493         int fd;
 494
 495         fd = open("/dev/urandom", O_RDONLY);
 496         if(fd >= 0)
 497         {
 498                 if(read(fd, &seed, sizeof(seed)) == sizeof(seed))
 499                 {
 500                         close(fd);
 501                         srand(seed);
 502                         return 1;
 503                 }
 504         }
 505         return 0;
 506 }
 507
 508 static void
 509 seed_with_clock(void)
 510 {
 511         const struct timeval *tv;
 512         rb_set_time();
 513         tv = rb_current_time_tv();
 514         srand(tv->tv_sec ^ (tv->tv_usec | (getpid() << 20)));
 515 }
 516
 517 static void
 518 seed_random(void *unused)
 519 {
 520         unsigned int seed;
 521         if(rb_get_random(&seed, sizeof(seed)) == -1)
 522         {
 523                 if(!seed_with_urandom())
 524                         seed_with_clock();
 525                 return;
 526         }
 527         srand(seed);
 528 }
 529
 530 /*
 531  * main
 532  *
 533  * Initializes the IRCd.
 534  *
 535  * Inputs       - number of commandline args, args themselves
 536  * Outputs      - none
 537  * Side Effects - this is where the ircd gets going right now
 538  */
 539 int
 540 main(int argc, char *argv[])
 541 {
 542         int fd;
 543
 544         /* Check to see if the user is running us as root, which is a nono */
 545         if(geteuid() == 0)
 546         {
 547                 fprintf(stderr, "Don't run ircd as root!!!\n");
 548                 return -1;
 549         }
 550
 551         init_sys();
 552
 553         ConfigFileEntry.dpath = DPATH;
 554         ConfigFileEntry.configfile = CPATH;     /* Server configuration file */
 555         ConfigFileEntry.connect_timeout = 30;   /* Default to 30 */
 556
 557         umask(077);             /* better safe than sorry --SRB */
 558
 559         myargv = argv;
 560         parseargs(&argc, &argv, myopts);
 561
 562         if(chdir(ConfigFileEntry.dpath))
 563         {
 564                 fprintf(stderr, "Unable to chdir to %s: %s\n", ConfigFileEntry.dpath, strerror(errno));
 565                 exit(EXIT_FAILURE);
 566         }
 567
 568         rb_set_time();
 569
 570         /*
 571          * Setup corefile size immediately after boot -kre
 572          */
 573         setup_corefile();
 574
 575         memset(&me, 0, sizeof(me));
 576         memset(&meLocalUser, 0, sizeof(meLocalUser));
 577         me.localClient = &meLocalUser;
 578
 579         /* Make sure all lists are zeroed */
 580         memset(&unknown_list, 0, sizeof(unknown_list));
 581         memset(&lclient_list, 0, sizeof(lclient_list));
 582         memset(&serv_list, 0, sizeof(serv_list));
 583         memset(&global_serv_list, 0, sizeof(global_serv_list));
 584         memset(&local_oper_list, 0, sizeof(local_oper_list));
 585         memset(&oper_list, 0, sizeof(oper_list));
 586
 587         rb_dlinkAddTail(&me, &me.node, &global_client_list);
 588
 589         memset(&Count, 0, sizeof(Count));
 590         memset(&ServerInfo, 0, sizeof(ServerInfo));
 591         memset(&AdminInfo, 0, sizeof(AdminInfo));
 592         memset(&ServerStats, 0, sizeof(struct ServerStatistics));
 593
 594         /* Initialise the channel capability usage counts... */
 595         init_chcap_usage_counts();
 596
 597         if(printVersion)
 598         {
 599                 printf("ircd: version %s(%s)\n", ircd_version, serno);
 600                 printf("ircd: %s\n", rb_lib_version());
 601                 exit(EXIT_SUCCESS);
 602         }
 603
 604
 605
 606         setup_signals();
 607
 608         if (testing_conf)
 609                 server_state_foreground = 1;
 610
 611         /* Make sure fd 0, 1 and 2 are in use -- jilles */
 612         do
 613         {
 614                 fd = open("/dev/null", O_RDWR);
 615         } while (fd < 2 && fd != -1);
 616         if (fd > 2)
 617                 close(fd);
 618         else if (fd == -1)
 619                 exit(1);
 620
 621         /* Check if there is pidfile and daemon already running */
 622         if(!testing_conf)
 623         {
 624                 check_pidfile(pidFileName);
 625
 626                 if(!server_state_foreground)
 627                         make_daemon();
 628                 inotice("starting %s ...", ircd_version);
 629                 inotice("%s", rb_lib_version());
 630         }
 631
 632         /* Init the event subsystem */
 633         rb_lib_init(ircd_log_cb, ircd_restart_cb, ircd_die_cb, !server_state_foreground, maxconnections, DNODE_HEAP_SIZE, FD_HEAP_SIZE);
 634         rb_linebuf_init(LINEBUF_HEAP_SIZE);
 635
 636         if(ConfigFileEntry.use_egd && (ConfigFileEntry.egdpool_path != NULL))
 637         {
 638                 rb_init_prng(ConfigFileEntry.egdpool_path, RB_PRNG_EGD);
 639         } else
 640                 rb_init_prng(NULL, RB_PRNG_DEFAULT);
 641
 642         seed_random(NULL);
 643
 644         init_main_logfile();
 645         newconf_init();
 646         init_s_conf();
 647         init_s_newconf();
 648         init_hash();
 649         clear_scache_hash_table();      /* server cache name table */
 650         init_host_hash();
 651         clear_hash_parse();
 652         init_client();
 653         init_hook();
 654         init_channels();
 655         initclass();
 656         initwhowas();
 657         init_reject();
 658         init_cache();
 659         init_monitor();
 660         init_isupport();
 661
 662         construct_cflags_strings();
 663
 664         load_all_modules(1);
 665 #ifndef STATIC_MODULES
 666         load_core_modules(1);
 667 #endif
 668         init_auth();            /* Initialise the auth code */
 669         init_resolver();        /* Needs to be setup before the io loop */
 670         privilegeset_set_new("default", "", 0);
 671
 672         if (testing_conf)
 673                 fprintf(stderr, "\nBeginning config test\n");
 674         read_conf_files(YES);   /* cold start init conf files */
 675 #ifndef STATIC_MODULES
 676
 677         mod_add_path(MODULE_DIR);
 678         mod_add_path(MODULE_DIR "/autoload");
 679 #endif
 680
 681         init_bandb();
 682         init_ssld();
 683
 684         rehash_bans(0);
 685
 686         initialize_server_capabs();     /* Set up default_server_capabs */
 687         initialize_global_set_options();
 688
 689         if(ServerInfo.name == NULL)
 690         {
 691                 ierror("no server name specified in serverinfo block.");
 692                 return -1;
 693         }
 694         rb_strlcpy(me.name, ServerInfo.name, sizeof(me.name));
 695
 696         if(ServerInfo.sid[0] == '\0')
 697         {
 698                 ierror("no server sid specified in serverinfo block.");
 699                 return -2;
 700         }
 701         strcpy(me.id, ServerInfo.sid);
 702         init_uid();
 703
 704         /* serverinfo{} description must exist.  If not, error out. */
 705         if(ServerInfo.description == NULL)
 706         {
 707                 ierror("no server description specified in serverinfo block.");
 708                 return -3;
 709         }
 710         rb_strlcpy(me.info, ServerInfo.description, sizeof(me.info));
 711
 712         if(ServerInfo.ssl_cert != NULL && ServerInfo.ssl_private_key != NULL)
 713         {
 714                 /* just do the rb_setup_ssl_server to validate the config */
 715                 if(!rb_setup_ssl_server(ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params))
 716                 {
 717                         ilog(L_MAIN, "WARNING: Unable to setup SSL.");
 718                         ssl_ok = 0;
 719                 }
 720                 else
 721                         ssl_ok = 1;
 722         }
 723
 724         if (testing_conf)
 725         {
 726                 fprintf(stderr, "\nConfig testing complete.\n");
 727                 fflush(stderr);
 728                 return 0;       /* Why? We want the launcher to exit out. */
 729         }
 730
 731         me.from = &me;
 732         me.servptr = &me;
 733         SetMe(&me);
 734         make_server(&me);
 735         startup_time = rb_current_time();
 736         add_to_client_hash(me.name, &me);
 737         add_to_id_hash(me.id, &me);
 738         me.serv->nameinfo = scache_connect(me.name, me.info, 0);
 739
 740         rb_dlinkAddAlloc(&me, &global_serv_list);
 741
 742         construct_umodebuf();
 743
 744         check_class();
 745         write_pidfile(pidFileName);
 746         load_help();
 747         open_logfiles();
 748
 749         ilog(L_MAIN, "Server Ready");
 750
 751         /* We want try_connections to be called as soon as possible now! -- adrian */
 752         /* No, 'cause after a restart it would cause all sorts of nick collides */
 753         /* um.  by waiting even longer, that just means we have even *more*
 754          * nick collisions.  what a stupid idea. set an event for the IO loop --fl
 755          */
 756         rb_event_addish("try_connections", try_connections, NULL, STARTUP_CONNECTIONS_TIME);
 757         rb_event_addonce("try_connections_startup", try_connections, NULL, 2);
 758         rb_event_add("check_rehash", check_rehash, NULL, 3);
 759         rb_event_addish("reseed_srand", seed_random, NULL, 300); /* reseed every 10 minutes */
 760
 761         if(splitmode)
 762                 check_splitmode_ev = rb_event_add("check_splitmode", check_splitmode, NULL, 5);
 763
 764         print_startup(getpid());
 765
 766         rb_lib_loop(0);
 767
 768         return 0;
 769 }