src/ircd.c

   1 /*
   2  *  ircd-ratbox: 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) 2002-2005 ircd-ratbox development team
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  22  *  USA
  23  *
  24  *  $Id: ircd.c 3380 2007-04-03 22:25:11Z jilles $
  25  */
  26
  27 #include "ratbox_lib.h"
  28 #include "stdinc.h"
  29 #include "setup.h"
  30 #include "config.h"
  31 #include "ircd.h"
  32 #include "channel.h"
  33 #include "class.h"
  34 #include "client.h"
  35 #include "common.h"
  36 #include "hash.h"
  37 #include "match.h"
  38 #include "ircd_signal.h"
  39 #include "msg.h"                /* msgtab */
  40 #include "hostmask.h"
  41 #include "numeric.h"
  42 #include "parse.h"
  43 #include "res.h"
  44 #include "restart.h"
  45 #include "s_auth.h"
  46 #include "s_conf.h"
  47 #include "logger.h"
  48 #include "s_serv.h"             /* try_connections */
  49 #include "s_user.h"
  50 #include "s_stats.h"
  51 #include "scache.h"
  52 #include "send.h"
  53 #include "supported.h"
  54 #include "whowas.h"
  55 #include "modules.h"
  56 #include "hook.h"
  57 #include "ircd_getopt.h"
  58 #include "newconf.h"
  59 #include "reject.h"
  60 #include "s_conf.h"
  61 #include "s_newconf.h"
  62 #include "cache.h"
  63 #include "monitor.h"
  64 #include "patchlevel.h"
  65 #include "serno.h"
  66 #include "sslproc.h"
  67 #include "chmode.h"
  68
  69 /* /quote set variables */
  70 struct SetOptions GlobalSetOptions;
  71
  72 /* configuration set from ircd.conf */
  73 struct config_file_entry ConfigFileEntry;
  74 /* server info set from ircd.conf */
  75 struct server_info ServerInfo;
  76 /* admin info set from ircd.conf */
  77 struct admin_info AdminInfo;
  78
  79 struct Counter Count;
  80 struct ServerStatistics ServerStats;
  81
  82 int maxconnections;
  83 struct timeval SystemTime;
  84 struct Client me;               /* That's me */
  85 struct LocalUser meLocalUser;   /* That's also part of me */
  86
  87 rb_dlink_list lclient_list = { NULL, NULL, 0 };
  88 rb_dlink_list global_client_list = { NULL, NULL, 0 };
  89
  90 rb_dlink_list unknown_list;        /* unknown clients ON this server only */
  91 rb_dlink_list serv_list;           /* local servers to this server ONLY */
  92 rb_dlink_list global_serv_list;    /* global servers on the network */
  93 rb_dlink_list local_oper_list;     /* our opers, duplicated in lclient_list */
  94 rb_dlink_list oper_list;           /* network opers */
  95
  96 time_t startup_time;
  97
  98 int default_server_capabs = CAP_MASK;
  99
 100 int splitmode;
 101 int splitchecking;
 102 int split_users;
 103 int split_servers;
 104 int eob_count;
 105
 106 unsigned long initialVMTop = 0;  /* top of virtual memory at init */
 107 const char *logFileName = LPATH;
 108 const char *pidFileName = PPATH;
 109
 110 char **myargv;
 111 int dorehash = 0;
 112 int dorehashbans = 0;
 113 int doremotd = 0;
 114 int kline_queued = 0;
 115 int server_state_foreground = 0;
 116 int opers_see_all_users = 0;
 117 int ssl_ok = 0;
 118 int zlib_ok = 1;
 119
 120 int testing_conf = 0;
 121
 122 rb_bh *client_heap = NULL;
 123 rb_bh *lclient_heap = NULL;
 124 rb_bh *pclient_heap = NULL;
 125
 126 char current_uid[IDLEN];
 127
 128 /* patricia */
 129 rb_bh *prefix_heap;
 130 rb_bh *node_heap;
 131 rb_bh *patricia_heap;
 132
 133 rb_bh *linebuf_heap;
 134
 135 rb_bh *dnode_heap;
 136
 137 void
 138 ircd_shutdown(const char *reason)
 139 {
 140         struct Client *target_p;
 141         rb_dlink_node *ptr;
 142
 143         RB_DLINK_FOREACH(ptr, lclient_list.head)
 144         {
 145                 target_p = ptr->data;
 146
 147                 sendto_one(target_p, ":%s NOTICE %s :Server Terminating. %s",
 148                         me.name, target_p->name, reason);
 149         }
 150
 151         RB_DLINK_FOREACH(ptr, serv_list.head)
 152         {
 153                 target_p = ptr->data;
 154
 155                 sendto_one(target_p, ":%s ERROR :Terminated by %s",
 156                         me.name, reason);
 157         }
 158
 159         ilog(L_MAIN, "Server Terminating. %s", reason);
 160         close_logfiles();
 161
 162         unlink(pidFileName);
 163         exit(0);
 164 }
 165
 166 /*
 167  * print_startup - print startup information
 168  */
 169 static void
 170 print_startup(int pid)
 171 {
 172         inotice("now running in %s mode from %s as pid %d ...",
 173                !server_state_foreground ? "background" : "foreground",
 174                 ConfigFileEntry.dpath, pid);
 175
 176         /* let the parent process know the initialization was successful
 177          * -- jilles */
 178         if (!server_state_foreground)
 179                 write(0, ".", 1);
 180         fclose(stdin);
 181         fclose(stdout);
 182         fclose(stderr);
 183         open("/dev/null", O_RDWR);
 184         dup2(0, 1);
 185         dup2(0, 2);
 186 }
 187
 188 static void
 189 ircd_log_cb(const char *str)
 190 {
 191         ilog(L_MAIN, "%s", str);
 192 }
 193
 194 static void
 195 ircd_restart_cb(const char *str)
 196 {
 197         restart(str);
 198 }
 199
 200 /*
 201  * Why EXIT_FAILURE here?
 202  * Because if ircd_die_cb() is called it's because of a fatal
 203  * error inside libcharybdis, and we don't know how to handle the
 204  * exception, so it is logical to return a FAILURE exit code here.
 205  *    --nenolod
 206  */
 207 static void
 208 ircd_die_cb(const char *str)
 209 {
 210         if(str != NULL)
 211         {
 212                 /* Try to get the message out to currently logged in operators. */
 213                 sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "Server panic! %s", str);
 214                 inotice("server panic: %s", str);
 215         }
 216
 217         unlink(pidFileName);
 218         exit(EXIT_FAILURE);
 219 }
 220
 221 /*
 222  * init_sys
 223  *
 224  * inputs       - boot_daemon flag
 225  * output       - none
 226  * side effects - if boot_daemon flag is not set, don't daemonize
 227  */
 228 static void
 229 init_sys(void)
 230 {
 231 #if defined(RLIMIT_NOFILE) && defined(HAVE_SYS_RESOURCE_H)
 232         struct rlimit limit;
 233
 234         if(!getrlimit(RLIMIT_NOFILE, &limit))
 235         {
 236                 maxconnections = limit.rlim_cur;
 237                 if(maxconnections <= MAX_BUFFER)
 238                 {
 239                         fprintf(stderr, "ERROR: Shell FD limits are too low.\n");
 240                         fprintf(stderr, "ERROR: ircd-ratbox reserves %d FDs, shell limits must be above this\n", MAX_BUFFER);
 241                         exit(EXIT_FAILURE);
 242                 }
 243                 return;
 244         }
 245 #endif /* RLIMIT_FD_MAX */
 246         maxconnections = MAXCONNECTIONS;
 247 }
 248
 249 static int
 250 make_daemon(void)
 251 {
 252         int pid;
 253         int pip[2];
 254         char c;
 255
 256         if (pipe(pip) < 0)
 257         {
 258                 perror("pipe");
 259                 exit(EXIT_FAILURE);
 260         }
 261         dup2(pip[1], 0);
 262         close(pip[1]);
 263         if((pid = fork()) < 0)
 264         {
 265                 perror("fork");
 266                 exit(EXIT_FAILURE);
 267         }
 268         else if(pid > 0)
 269         {
 270                 close(0);
 271                 /* Wait for initialization to finish, successfully or
 272                  * unsuccessfully. Until this point the child may still
 273                  * write to stdout/stderr.
 274                  * -- jilles */
 275                 if (read(pip[0], &c, 1) > 0)
 276                         exit(EXIT_SUCCESS);
 277                 else
 278                         exit(EXIT_FAILURE);
 279         }
 280
 281         close(pip[0]);
 282         setsid();
 283 /*      fclose(stdin);
 284         fclose(stdout);
 285         fclose(stderr); */
 286
 287         return 0;
 288 }
 289
 290 static int printVersion = 0;
 291
 292 struct lgetopt myopts[] = {
 293         {"dlinefile", &ConfigFileEntry.dlinefile,
 294          STRING, "File to use for dlines.conf"},
 295         {"configfile", &ConfigFileEntry.configfile,
 296          STRING, "File to use for ircd.conf"},
 297         {"klinefile", &ConfigFileEntry.klinefile,
 298          STRING, "File to use for kline.conf"},
 299         {"xlinefile", &ConfigFileEntry.xlinefile,
 300          STRING, "File to use for xline.conf"},
 301         {"resvfile", &ConfigFileEntry.resvfile,
 302          STRING, "File to use for resv.conf"},
 303         {"logfile", &logFileName,
 304          STRING, "File to use for ircd.log"},
 305         {"pidfile", &pidFileName,
 306          STRING, "File to use for process ID"},
 307         {"foreground", &server_state_foreground,
 308          YESNO, "Run in foreground (don't detach)"},
 309         {"version", &printVersion,
 310          YESNO, "Print version and exit"},
 311         {"conftest", &testing_conf,
 312          YESNO, "Test the configuration files and exit"},
 313         {"help", NULL, USAGE, "Print this text"},
 314         {NULL, NULL, STRING, NULL},
 315 };
 316
 317 static void
 318 check_rehash(void *unused)
 319 {
 320         /*
 321          * Check to see whether we have to rehash the configuration ..
 322          */
 323         if(dorehash)
 324         {
 325                 rehash(1);
 326                 dorehash = 0;
 327         }
 328
 329         if(dorehashbans)
 330         {
 331                 rehash_bans(1);
 332                 dorehashbans = 0;
 333         }
 334
 335         if(doremotd)
 336         {
 337                 sendto_realops_snomask(SNO_GENERAL, L_ALL,
 338                                      "Got signal SIGUSR1, reloading ircd motd file");
 339                 cache_user_motd();
 340                 doremotd = 0;
 341         }
 342 }
 343
 344 /*
 345  * initalialize_global_set_options
 346  *
 347  * inputs       - none
 348  * output       - none
 349  * side effects - This sets all global set options needed
 350  */
 351 static void
 352 initialize_global_set_options(void)
 353 {
 354         memset(&GlobalSetOptions, 0, sizeof(GlobalSetOptions));
 355         /* memset( &ConfigFileEntry, 0, sizeof(ConfigFileEntry)); */
 356
 357         GlobalSetOptions.maxclients = ServerInfo.default_max_clients;
 358
 359         if(GlobalSetOptions.maxclients > (maxconnections - MAX_BUFFER) || (GlobalSetOptions.maxclients <= 0))
 360                 GlobalSetOptions.maxclients = maxconnections - MAX_BUFFER;
 361
 362         GlobalSetOptions.autoconn = 1;
 363
 364         GlobalSetOptions.spam_time = MIN_JOIN_LEAVE_TIME;
 365         GlobalSetOptions.spam_num = MAX_JOIN_LEAVE_COUNT;
 366
 367         if(ConfigFileEntry.default_floodcount)
 368                 GlobalSetOptions.floodcount = ConfigFileEntry.default_floodcount;
 369         else
 370                 GlobalSetOptions.floodcount = 10;
 371
 372         split_servers = ConfigChannel.default_split_server_count;
 373         split_users = ConfigChannel.default_split_user_count;
 374
 375         if(split_users && split_servers
 376            && (ConfigChannel.no_create_on_split || ConfigChannel.no_join_on_split))
 377         {
 378                 splitmode = 1;
 379                 splitchecking = 1;
 380         }
 381
 382         GlobalSetOptions.ident_timeout = IDENT_TIMEOUT;
 383
 384         rb_strlcpy(GlobalSetOptions.operstring,
 385                 ConfigFileEntry.default_operstring,
 386                 sizeof(GlobalSetOptions.operstring));
 387         rb_strlcpy(GlobalSetOptions.adminstring,
 388                 ConfigFileEntry.default_adminstring,
 389                 sizeof(GlobalSetOptions.adminstring));
 390
 391         /* memset( &ConfigChannel, 0, sizeof(ConfigChannel)); */
 392
 393         /* End of global set options */
 394
 395 }
 396
 397 /*
 398  * initialize_server_capabs
 399  *
 400  * inputs       - none
 401  * output       - none
 402  */
 403 static void
 404 initialize_server_capabs(void)
 405 {
 406         default_server_capabs &= ~CAP_ZIP;
 407 }
 408
 409
 410 /*
 411  * write_pidfile
 412  *
 413  * inputs       - filename+path of pid file
 414  * output       - none
 415  * side effects - write the pid of the ircd to filename
 416  */
 417 static void
 418 write_pidfile(const char *filename)
 419 {
 420         FILE *fb;
 421         char buff[32];
 422         if((fb = fopen(filename, "w")))
 423         {
 424                 unsigned int pid = (unsigned int) getpid();
 425
 426                 rb_snprintf(buff, sizeof(buff), "%u\n", pid);
 427                 if((fputs(buff, fb) == -1))
 428                 {
 429                         ilog(L_MAIN, "Error writing %u to pid file %s (%s)",
 430                              pid, filename, strerror(errno));
 431                 }
 432                 fclose(fb);
 433                 return;
 434         }
 435         else
 436         {
 437                 ilog(L_MAIN, "Error opening pid file %s", filename);
 438         }
 439 }
 440
 441 /*
 442  * check_pidfile
 443  *
 444  * inputs       - filename+path of pid file
 445  * output       - none
 446  * side effects - reads pid from pidfile and checks if ircd is in process
 447  *                list. if it is, gracefully exits
 448  * -kre
 449  */
 450 static void
 451 check_pidfile(const char *filename)
 452 {
 453         FILE *fb;
 454         char buff[32];
 455         pid_t pidfromfile;
 456
 457         /* Don't do logging here, since we don't have log() initialised */
 458         if((fb = fopen(filename, "r")))
 459         {
 460                 if(fgets(buff, 20, fb) != NULL)
 461                 {
 462                         pidfromfile = atoi(buff);
 463                         if(!kill(pidfromfile, 0))
 464                         {
 465                                 printf("ircd: daemon is already running\n");
 466                                 exit(-1);
 467                         }
 468                 }
 469                 fclose(fb);
 470         }
 471 }
 472
 473 /*
 474  * setup_corefile
 475  *
 476  * inputs       - nothing
 477  * output       - nothing
 478  * side effects - setups corefile to system limits.
 479  * -kre
 480  */
 481 static void
 482 setup_corefile(void)
 483 {
 484 #ifdef HAVE_SYS_RESOURCE_H
 485         struct rlimit rlim;     /* resource limits */
 486
 487         /* Set corefilesize to maximum */
 488         if(!getrlimit(RLIMIT_CORE, &rlim))
 489         {
 490                 rlim.rlim_cur = rlim.rlim_max;
 491                 setrlimit(RLIMIT_CORE, &rlim);
 492         }
 493 #endif
 494 }
 495
 496 struct ev_entry *check_splitmode_ev = NULL;
 497
 498 static int
 499 seed_with_urandom(void)
 500 {
 501         unsigned int seed;
 502         int fd;
 503
 504         fd = open("/dev/urandom", O_RDONLY);
 505         if(fd >= 0)
 506         {
 507                 if(read(fd, &seed, sizeof(seed)) == sizeof(seed))
 508                 {
 509                         close(fd);
 510                         srand(seed);
 511                         return 1;
 512                 }
 513         }
 514         return 0;
 515 }
 516
 517 static void
 518 seed_with_clock(void)
 519 {
 520         const struct timeval *tv;
 521         rb_set_time();
 522         tv = rb_current_time_tv();
 523         srand(tv->tv_sec ^ (tv->tv_usec | (getpid() << 20)));
 524 }
 525
 526 static void
 527 seed_random(void *unused)
 528 {
 529         unsigned int seed;
 530         if(rb_get_random(&seed, sizeof(seed)) == -1)
 531         {
 532                 if(!seed_with_urandom())
 533                         seed_with_clock();
 534                 return;
 535         }
 536         srand(seed);
 537 }
 538
 539 /*
 540  * main
 541  *
 542  * Initializes the IRCd.
 543  *
 544  * Inputs       - number of commandline args, args themselves
 545  * Outputs      - none
 546  * Side Effects - this is where the ircd gets going right now
 547  */
 548 int
 549 main(int argc, char *argv[])
 550 {
 551         int fd;
 552
 553         /* Check to see if the user is running us as root, which is a nono */
 554         if(geteuid() == 0)
 555         {
 556                 fprintf(stderr, "Don't run ircd as root!!!\n");
 557                 return -1;
 558         }
 559
 560         /*
 561          * Setup corefile size immediately after boot -kre
 562          */
 563         setup_corefile();
 564
 565         /* It ain't random, but it ought to be a little harder to guess */
 566         srand(SystemTime.tv_sec ^ (SystemTime.tv_usec | (getpid() << 20)));
 567         memset(&me, 0, sizeof(me));
 568         memset(&meLocalUser, 0, sizeof(meLocalUser));
 569         me.localClient = &meLocalUser;
 570
 571         /* Make sure all lists are zeroed */
 572         memset(&unknown_list, 0, sizeof(unknown_list));
 573         memset(&lclient_list, 0, sizeof(lclient_list));
 574         memset(&serv_list, 0, sizeof(serv_list));
 575         memset(&global_serv_list, 0, sizeof(global_serv_list));
 576         memset(&local_oper_list, 0, sizeof(local_oper_list));
 577         memset(&oper_list, 0, sizeof(oper_list));
 578
 579         rb_dlinkAddTail(&me, &me.node, &global_client_list);
 580
 581         memset(&Count, 0, sizeof(Count));
 582         memset(&ServerInfo, 0, sizeof(ServerInfo));
 583         memset(&AdminInfo, 0, sizeof(AdminInfo));
 584         memset(&ServerStats, 0, sizeof(struct ServerStatistics));
 585
 586         /* Initialise the channel capability usage counts... */
 587         init_chcap_usage_counts();
 588
 589         ConfigFileEntry.dpath = DPATH;
 590         ConfigFileEntry.configfile = CPATH;     /* Server configuration file */
 591         ConfigFileEntry.klinefile = KPATH;      /* Server kline file */
 592         ConfigFileEntry.dlinefile = DLPATH;     /* dline file */
 593         ConfigFileEntry.xlinefile = XPATH;
 594         ConfigFileEntry.resvfile = RESVPATH;
 595         ConfigFileEntry.connect_timeout = 30;   /* Default to 30 */
 596         myargv = argv;
 597         umask(077);             /* better safe than sorry --SRB */
 598
 599         parseargs(&argc, &argv, myopts);
 600
 601         if(printVersion)
 602         {
 603                 printf("ircd: version %s(%s)\n", ircd_version, serno);
 604                 exit(EXIT_SUCCESS);
 605         }
 606
 607         if(chdir(ConfigFileEntry.dpath))
 608         {
 609                 fprintf(stderr, "Unable to chdir to %s: %s\n", ConfigFileEntry.dpath, strerror(errno));
 610                 exit(EXIT_FAILURE);
 611         }
 612
 613         setup_signals();
 614
 615 #ifdef __CYGWIN__
 616         server_state_foreground = 1;
 617 #endif
 618
 619         if (testing_conf)
 620                 server_state_foreground = 1;
 621
 622         /* Make sure fd 0, 1 and 2 are in use -- jilles */
 623         do
 624         {
 625                 fd = open("/dev/null", O_RDWR);
 626         } while (fd < 2 && fd != -1);
 627         if (fd > 2)
 628                 close(fd);
 629         else if (fd == -1)
 630                 exit(1);
 631
 632         /* Check if there is pidfile and daemon already running */
 633         if(!testing_conf)
 634         {
 635                 check_pidfile(pidFileName);
 636
 637                 if(!server_state_foreground)
 638                         make_daemon();
 639                 inotice("starting %s ...", ircd_version);
 640         }
 641
 642         /* Init the event subsystem */
 643         init_sys();
 644         rb_lib_init(ircd_log_cb, ircd_restart_cb, ircd_die_cb, !server_state_foreground, maxconnections, DNODE_HEAP_SIZE, FD_HEAP_SIZE);
 645         rb_linebuf_init(LINEBUF_HEAP_SIZE);
 646
 647         init_main_logfile();
 648         newconf_init();
 649         init_s_conf();
 650         init_s_newconf();
 651         init_hash();
 652         clear_scache_hash_table();      /* server cache name table */
 653         init_host_hash();
 654         clear_hash_parse();
 655         init_client();
 656         initUser();
 657         init_hook();
 658         init_channels();
 659         initclass();
 660         initwhowas();
 661         init_reject();
 662         init_cache();
 663         init_monitor();
 664         init_isupport();
 665         load_all_modules(1);
 666 #ifndef STATIC_MODULES
 667         load_core_modules(1);
 668 #endif
 669         init_auth();            /* Initialise the auth code */
 670         init_resolver();        /* Needs to be setup before the io loop */
 671
 672         if (testing_conf)
 673                 fprintf(stderr, "\nBeginning config test\n");
 674         read_conf_files(YES);   /* cold start init conf files */
 675         rehash_bans(0);
 676 #ifndef STATIC_MODULES
 677
 678         mod_add_path(MODULE_DIR);
 679         mod_add_path(MODULE_DIR "/autoload");
 680 #endif
 681
 682         init_ssld();
 683
 684         initialize_server_capabs();     /* Set up default_server_capabs */
 685         initialize_global_set_options();
 686
 687         if(ServerInfo.name == NULL)
 688         {
 689                 ierror("no server name specified in serverinfo block.");
 690                 return -1;
 691         }
 692         rb_strlcpy(me.name, ServerInfo.name, sizeof(me.name));
 693
 694         if(ServerInfo.sid[0] == '\0')
 695         {
 696                 ierror("no server sid specified in serverinfo block.");
 697                 return -2;
 698         }
 699         strcpy(me.id, ServerInfo.sid);
 700         init_uid();
 701
 702         /* serverinfo{} description must exist.  If not, error out. */
 703         if(ServerInfo.description == NULL)
 704         {
 705                 ierror("no server description specified in serverinfo block.");
 706                 return -3;
 707         }
 708         rb_strlcpy(me.info, ServerInfo.description, sizeof(me.info));
 709
 710         if(ServerInfo.ssl_cert != NULL && ServerInfo.ssl_private_key != NULL)
 711         {
 712                 /* just do the rb_setup_ssl_server to validate the config */
 713                 if(!rb_setup_ssl_server(ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params))
 714                 {
 715                         ilog(L_MAIN, "WARNING: Unable to setup SSL.");
 716                         ssl_ok = 0;
 717                 }
 718                 else
 719                         ssl_ok = 1;
 720         }
 721
 722         if (testing_conf)
 723         {
 724                 fprintf(stderr, "\nConfig testing complete.\n");
 725                 fflush(stderr);
 726                 return 0;       /* Why? We want the launcher to exit out. */
 727         }
 728
 729         me.from = &me;
 730         me.servptr = &me;
 731         SetMe(&me);
 732         make_server(&me);
 733         startup_time = rb_current_time();
 734         add_to_client_hash(me.name, &me);
 735         add_to_id_hash(me.id, &me);
 736         me.serv->nameinfo = scache_connect(me.name, me.info, 0);
 737
 738         rb_dlinkAddAlloc(&me, &global_serv_list);
 739
 740         construct_umodebuf();
 741         construct_noparam_modes();
 742
 743         check_class();
 744         write_pidfile(pidFileName);
 745         load_help();
 746         open_logfiles();
 747
 748         ilog(L_MAIN, "Server Ready");
 749
 750         /* We want try_connections to be called as soon as possible now! -- adrian */
 751         /* No, 'cause after a restart it would cause all sorts of nick collides */
 752         /* um.  by waiting even longer, that just means we have even *more*
 753          * nick collisions.  what a stupid idea. set an event for the IO loop --fl
 754          */
 755         rb_event_addish("try_connections", try_connections, NULL, STARTUP_CONNECTIONS_TIME);
 756         rb_event_addonce("try_connections_startup", try_connections, NULL, 0);
 757         rb_event_add("check_rehash", check_rehash, NULL, 1);
 758         rb_event_addish("reseed_srand", seed_random, NULL, 300); /* reseed every 10 minutes */
 759
 760         if(splitmode)
 761                 check_splitmode_ev = rb_event_add("check_splitmode", check_splitmode, NULL, 2);
 762
 763         print_startup(getpid());
 764
 765         rb_lib_loop(0);
 766
 767         return 0;
 768 }