src/inspircd.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *          the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 /* $Install: src/inspircd $(BINPATH) */
  15 #include "inspircd.h"
  16 #include <signal.h>
  17
  18 #ifndef WIN32
  19         #include <dirent.h>
  20         #include <unistd.h>
  21         #include <sys/resource.h>
  22         #include <dlfcn.h>
  23         #include <getopt.h>
  24
  25         /* Some systems don't define RUSAGE_SELF. This should fix them. */
  26         #ifndef RUSAGE_SELF
  27                 #define RUSAGE_SELF 0
  28         #endif
  29
  30         /* CRT memory debugging */
  31         #ifdef DEBUG
  32         #define _CRTDBG_MAP_ALLOC
  33         #include <stdlib.h>
  34         #include <crtdbg.h>
  35         #endif
  36 #endif
  37
  38 #include <fstream>
  39 #include "xline.h"
  40 #include "bancache.h"
  41 #include "socketengine.h"
  42 #include "inspircd_se_config.h"
  43 #include "socket.h"
  44 #include "command_parse.h"
  45 #include "exitcodes.h"
  46 #include "caller.h"
  47 #include "testsuite.h"
  48
  49 using irc::sockets::insp_ntoa;
  50 using irc::sockets::insp_inaddr;
  51 using irc::sockets::insp_sockaddr;
  52
  53 InspIRCd* SI = NULL;
  54 int* mysig = NULL;
  55
  56
  57 /* Moved from exitcodes.h -- due to duplicate symbols -- Burlex
  58  * XXX this is a bit ugly. -- w00t
  59  */
  60 const char* ExitCodes[] =
  61 {
  62                 "No error", /* 0 */
  63                 "DIE command", /* 1 */
  64                 "execv() failed", /* 2 */
  65                 "Internal error", /* 3 */
  66                 "Config file error", /* 4 */
  67                 "Logfile error", /* 5 */
  68                 "POSIX fork failed", /* 6 */
  69                 "Bad commandline parameters", /* 7 */
  70                 "No ports could be bound", /* 8 */
  71                 "Can't write PID file", /* 9 */
  72                 "SocketEngine could not initialize", /* 10 */
  73                 "Refusing to start up as root", /* 11 */
  74                 "Found a <die> tag!", /* 12 */
  75                 "Couldn't load module on startup", /* 13 */
  76                 "Could not create windows forked process", /* 14 */
  77                 "Received SIGTERM", /* 15 */
  78 };
  79
  80 void InspIRCd::Cleanup()
  81 {
  82         if (Config)
  83         {
  84                 for (unsigned int i = 0; i < Config->ports.size(); i++)
  85                 {
  86                         /* This calls the constructor and closes the listening socket */
  87                         delete Config->ports[i];
  88                 }
  89
  90                 Config->ports.clear();
  91         }
  92
  93         /* Close all client sockets, or the new process inherits them */
  94         for (std::vector<User*>::const_iterator i = this->Users->local_users.begin(); i != this->Users->local_users.end(); i++)
  95         {
  96                 (*i)->SetWriteError("Server shutdown");
  97                 (*i)->CloseSocket();
  98         }
  99
 100         /* We do this more than once, so that any service providers get a
 101          * chance to be unhooked by the modules using them, but then get
 102          * a chance to be removed themsleves.
 103          *
 104          * XXX there may be a better way to do this with 1.2
 105          */
 106         for (int tries = 0; tries < 3; tries++)
 107         {
 108                 std::vector<std::string> module_names = Modules->GetAllModuleNames(0);
 109                 for (std::vector<std::string>::iterator k = module_names.begin(); k != module_names.end(); ++k)
 110                 {
 111                         /* Unload all modules, so they get a chance to clean up their listeners */
 112                         this->Modules->Unload(k->c_str());
 113                 }
 114         }
 115
 116         /* Close logging */
 117         this->Logs->CloseLogs();
 118
 119         /* Cleanup Server Names */
 120         for(servernamelist::iterator itr = servernames.begin(); itr != servernames.end(); ++itr)
 121                 delete (*itr);
 122
 123
 124 }
 125
 126 void InspIRCd::Restart(const std::string &reason)
 127 {
 128         /* SendError flushes each client's queue,
 129          * regardless of writeability state
 130          */
 131         this->SendError(reason);
 132
 133         this->Cleanup();
 134
 135         /* Figure out our filename (if theyve renamed it, we're boned) */
 136         std::string me;
 137
 138 #ifdef WINDOWS
 139         char module[MAX_PATH];
 140         if (GetModuleFileName(NULL, module, MAX_PATH))
 141                 me = module;
 142 #else
 143         me = Config->MyDir + "/inspircd";
 144 #endif
 145
 146         if (execv(me.c_str(), Config->argv) == -1)
 147         {
 148                 /* Will raise a SIGABRT if not trapped */
 149                 throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno));
 150         }
 151 }
 152
 153 void InspIRCd::ResetMaxBans()
 154 {
 155         for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++)
 156                 i->second->ResetMaxBans();
 157 }
 158
 159 /** Because hash_map doesnt free its buckets when we delete items (this is a 'feature')
 160  * we must occasionally rehash the hash (yes really).
 161  * We do this by copying the entries from the old hash to a new hash, causing all
 162  * empty buckets to be weeded out of the hash. We dont do this on a timer, as its
 163  * very expensive, so instead we do it when the user types /REHASH and expects a
 164  * short delay anyway.
 165  */
 166 void InspIRCd::RehashUsersAndChans()
 167 {
 168         user_hash* old_users = this->Users->clientlist;
 169         user_hash* old_uuid  = this->Users->uuidlist;
 170         chan_hash* old_chans = this->chanlist;
 171
 172         this->Users->clientlist = new user_hash();
 173         this->Users->uuidlist = new user_hash();
 174         this->chanlist = new chan_hash();
 175
 176         for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++)
 177                 this->Users->clientlist->insert(*n);
 178
 179         delete old_users;
 180
 181         for (user_hash::const_iterator n = old_uuid->begin(); n != old_uuid->end(); n++)
 182                 this->Users->uuidlist->insert(*n);
 183
 184         delete old_uuid;
 185
 186         for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++)
 187                 this->chanlist->insert(*n);
 188
 189         delete old_chans;
 190 }
 191
 192 void InspIRCd::SetSignals()
 193 {
 194 #ifndef WIN32
 195         signal(SIGALRM, SIG_IGN);
 196         signal(SIGHUP, InspIRCd::SetSignal);
 197         signal(SIGPIPE, SIG_IGN);
 198         signal(SIGCHLD, SIG_IGN);
 199 #endif
 200         signal(SIGTERM, InspIRCd::SetSignal);
 201 }
 202
 203 void InspIRCd::QuickExit(int status)
 204 {
 205         exit(0);
 206 }
 207
 208 bool InspIRCd::DaemonSeed()
 209 {
 210 #ifdef WINDOWS
 211         printf_c("InspIRCd Process ID: \033[1;32m%lu\033[0m\n", GetCurrentProcessId());
 212         return true;
 213 #else
 214         signal(SIGTERM, InspIRCd::QuickExit);
 215
 216         int childpid;
 217         if ((childpid = fork ()) < 0)
 218                 return false;
 219         else if (childpid > 0)
 220         {
 221                 /* We wait here for the child process to kill us,
 222                  * so that the shell prompt doesnt come back over
 223                  * the output.
 224                  * Sending a kill with a signal of 0 just checks
 225                  * if the child pid is still around. If theyre not,
 226                  * they threw an error and we should give up.
 227                  */
 228                 while (kill(childpid, 0) != -1)
 229                         sleep(1);
 230                 exit(0);
 231         }
 232         setsid ();
 233         umask (007);
 234         printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
 235
 236         signal(SIGTERM, InspIRCd::SetSignal);
 237
 238         rlimit rl;
 239         if (getrlimit(RLIMIT_CORE, &rl) == -1)
 240         {
 241                 this->Logs->Log("STARTUP",DEFAULT,"Failed to getrlimit()!");
 242                 return false;
 243         }
 244         else
 245         {
 246                 rl.rlim_cur = rl.rlim_max;
 247                 if (setrlimit(RLIMIT_CORE, &rl) == -1)
 248                         this->Logs->Log("STARTUP",DEFAULT,"setrlimit() failed, cannot increase coredump size.");
 249         }
 250
 251         return true;
 252 #endif
 253 }
 254
 255 void InspIRCd::WritePID(const std::string &filename)
 256 {
 257         std::string fname = (filename.empty() ? "inspircd.pid" : filename);
 258         if (*(fname.begin()) != '/')
 259         {
 260                 std::string::size_type pos;
 261                 std::string confpath = this->ConfigFileName;
 262                 if ((pos = confpath.rfind("/")) != std::string::npos)
 263                 {
 264                         /* Leaves us with just the path */
 265                         fname = confpath.substr(0, pos) + std::string("/") + fname;
 266                 }
 267         }
 268         std::ofstream outfile(fname.c_str());
 269         if (outfile.is_open())
 270         {
 271                 outfile << getpid();
 272                 outfile.close();
 273         }
 274         else
 275         {
 276                 printf("Failed to write PID-file '%s', exiting.\n",fname.c_str());
 277                 this->Logs->Log("STARTUP",DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str());
 278                 Exit(EXIT_STATUS_PID);
 279         }
 280 }
 281
 282 InspIRCd::InspIRCd(int argc, char** argv)
 283         : GlobalCulls(this),
 284
 285          /* Functor initialisation. Note that the ordering here is very important.
 286           *
 287           * THIS MUST MATCH ORDER OF DECLARATION OF THE HandleWhateverFunc classes
 288           * within class InspIRCd.
 289           */
 290          HandleProcessUser(this),
 291          HandleIsNick(this),
 292          HandleIsIdent(this),
 293          HandleFindDescriptor(this),
 294          HandleFloodQuitUser(this),
 295          HandleIsChannel(this),
 296          HandleIsSID(this),
 297          HandleRehash(this),
 298
 299          /* Functor pointer initialisation. Must match the order of the list above
 300           *
 301           * THIS MUST MATCH THE ORDER OF DECLARATION OF THE FUNCTORS, e.g. the methods
 302           * themselves within the class.
 303           */
 304          ProcessUser(&HandleProcessUser),
 305          IsChannel(&HandleIsChannel),
 306          IsSID(&HandleIsSID),
 307          Rehash(&HandleRehash),
 308          IsNick(&HandleIsNick),
 309          IsIdent(&HandleIsIdent),
 310          FindDescriptor(&HandleFindDescriptor),
 311          FloodQuitUser(&HandleFloodQuitUser)
 312
 313 {
 314 #ifdef WIN32
 315         _CrtSetDbgFlag ( _CRTDBG_CHECK_ALWAYS_DF | _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
 316 #endif
 317         int found_ports = 0;
 318         FailedPortList pl;
 319         int do_version = 0, do_nofork = 0, do_debug = 0,
 320             do_nolog = 0, do_root = 0, do_testsuite = 0;    /* flag variables */
 321         char c = 0;
 322
 323         memset(&server, 0, sizeof(server));
 324         memset(&client, 0, sizeof(client));
 325
 326         // This must be created first, so other parts of Insp can use it while starting up
 327         this->Logs = new LogManager(this);
 328
 329         SocketEngineFactory* SEF = new SocketEngineFactory();
 330         SE = SEF->Create(this);
 331         delete SEF;
 332
 333         ThreadEngineFactory* tef = new ThreadEngineFactory();
 334         this->Threads = tef->Create(this);
 335         delete tef;
 336
 337         /* Default implementation does nothing */
 338         this->PI = new ProtocolInterface(this);
 339
 340         this->s_signal = 0;
 341
 342         // Create base manager classes early, so nothing breaks
 343         this->Users = new UserManager(this);
 344
 345         this->Users->unregistered_count = 0;
 346
 347         this->Users->clientlist = new user_hash();
 348         this->Users->uuidlist = new user_hash();
 349         this->chanlist = new chan_hash();
 350
 351         this->Res = NULL;
 352
 353         this->Config = new ServerConfig(this);
 354         this->SNO = new SnomaskManager(this);
 355         this->BanCache = new BanCacheManager(this);
 356         this->Modules = new ModuleManager(this);
 357         this->stats = new serverstats();
 358         this->Timers = new TimerManager(this);
 359         this->Parser = new CommandParser(this);
 360         this->XLines = new XLineManager(this);
 361
 362         this->Config->argv = argv;
 363         this->Config->argc = argc;
 364
 365         if (chdir(Config->GetFullProgDir().c_str()))
 366         {
 367                 printf("Unable to change to my directory: %s\nAborted.", strerror(errno));
 368                 exit(0);
 369         }
 370
 371         this->Config->opertypes.clear();
 372         this->Config->operclass.clear();
 373
 374         this->TIME = this->OLDTIME = this->startup_time = time(NULL);
 375         srand(this->TIME);
 376
 377         *this->LogFileName = 0;
 378         strlcpy(this->ConfigFileName, CONFIG_FILE, MAXBUF);
 379
 380         struct option longopts[] =
 381         {
 382                 { "nofork",     no_argument,            &do_nofork,     1       },
 383                 { "logfile",    required_argument,      NULL,           'f'     },
 384                 { "config",     required_argument,      NULL,           'c'     },
 385                 { "debug",      no_argument,            &do_debug,      1       },
 386                 { "nolog",      no_argument,            &do_nolog,      1       },
 387                 { "runasroot",  no_argument,            &do_root,       1       },
 388                 { "version",    no_argument,            &do_version,    1       },
 389                 { "testsuite",  no_argument,            &do_testsuite,  1       },
 390                 { 0, 0, 0, 0 }
 391         };
 392
 393         while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1)
 394         {
 395                 switch (c)
 396                 {
 397                         case 'f':
 398                                 /* Log filename was set */
 399                                 strlcpy(LogFileName, optarg, MAXBUF);
 400                         break;
 401                         case 'c':
 402                                 /* Config filename was set */
 403                                 strlcpy(ConfigFileName, optarg, MAXBUF);
 404                         break;
 405                         case 0:
 406                                 /* getopt_long_only() set an int variable, just keep going */
 407                         break;
 408                         default:
 409                                 /* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */
 410                                 printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile <filename>]\n\
 411                                                   [--runasroot] [--version] [--config <config>] [--testsuite]\n", argv[0]);
 412                                 Exit(EXIT_STATUS_ARGV);
 413                         break;
 414                 }
 415         }
 416
 417         if (do_testsuite)
 418                 do_nofork = do_debug = true;
 419
 420         if (do_version)
 421         {
 422                 printf("\n%s r%s\n", VERSION, REVISION);
 423                 Exit(EXIT_STATUS_NOERROR);
 424         }
 425
 426 #ifdef WIN32
 427
 428         // Handle forking
 429         if(!do_nofork)
 430         {
 431                 DWORD ExitCode = WindowsForkStart(this);
 432                 if(ExitCode)
 433                         exit(ExitCode);
 434         }
 435
 436         // Set up winsock
 437         WSADATA wsadata;
 438         WSAStartup(MAKEWORD(2,0), &wsadata);
 439         ChangeWindowsSpecificPointers(this);
 440 #endif
 441         strlcpy(Config->MyExecutable,argv[0],MAXBUF);
 442
 443         /* Set the finished argument values */
 444         Config->nofork = do_nofork;
 445         Config->forcedebug = do_debug;
 446         Config->writelog = !do_nolog;
 447         Config->TestSuite = do_testsuite;
 448
 449         if (!this->OpenLog(argv, argc))
 450         {
 451                 printf("ERROR: Could not open logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno));
 452                 Exit(EXIT_STATUS_LOG);
 453         }
 454
 455         if (!ServerConfig::FileExists(this->ConfigFileName))
 456         {
 457                 printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName);
 458                 this->Logs->Log("STARTUP",DEFAULT,"Unable to open config file %s", this->ConfigFileName);
 459                 Exit(EXIT_STATUS_CONFIG);
 460         }
 461
 462         printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
 463         printf_c("(C) InspIRCd Development Team.\033[0m\n\n");
 464         printf_c("Developers:\n");
 465         printf_c("\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special\n");
 466         printf_c("\t\033[1;32mpippijn, peavey, aquanight, fez\033[0m\n\n");
 467         printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
 468
 469         Config->ClearStack();
 470
 471         this->Modes = new ModeParser(this);
 472
 473         if (!do_root)
 474                 this->CheckRoot();
 475         else
 476         {
 477                 printf("* WARNING * WARNING * WARNING * WARNING * WARNING * \n\n");
 478                 printf("YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED\n");
 479                 printf("AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED\n");
 480                 printf("OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR\n");
 481                 printf("SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN\n");
 482                 printf("TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART\n");
 483                 printf("THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!\n");
 484                 printf("\nInspIRCd starting in 20 seconds, ctrl+c to abort...\n");
 485                 sleep(20);
 486         }
 487
 488         this->SetSignals();
 489
 490         if (!Config->nofork)
 491         {
 492                 if (!this->DaemonSeed())
 493                 {
 494                         printf("ERROR: could not go into daemon mode. Shutting down.\n");
 495                         Logs->Log("STARTUP", DEFAULT, "ERROR: could not go into daemon mode. Shutting down.");
 496                         Exit(EXIT_STATUS_FORK);
 497                 }
 498         }
 499
 500         SE->RecoverFromFork();
 501
 502         /* During startup we don't actually initialize this
 503          * in the thread engine.
 504          */
 505         this->ConfigThread = new ConfigReaderThread(this, true, NULL);
 506         ConfigThread->Run();
 507         delete ConfigThread;
 508         this->ConfigThread = NULL;
 509
 510         this->Res = new DNS(this);
 511
 512         this->AddServerName(Config->ServerName);
 513
 514         /*
 515          * Initialise SID/UID.
 516          * For an explanation as to exactly how this works, and why it works this way, see GetUID().
 517          *   -- w00t
 518          */
 519         if (!*Config->sid)
 520         {
 521                 // Generate one
 522                 size_t sid = 0;
 523
 524                 for (const char* x = Config->ServerName; *x; ++x)
 525                         sid = 5 * sid + *x;
 526                 for (const char* y = Config->ServerDesc; *y; ++y)
 527                         sid = 5 * sid + *y;
 528                 sid = sid % 999;
 529
 530                 Config->sid[0] = (char)(sid / 100 + 48);
 531                 Config->sid[1] = (char)(((sid / 10) % 10) + 48);
 532                 Config->sid[2] = (char)(sid % 10 + 48);
 533         }
 534
 535         /* set up fake client again this time with the correct uid */
 536         this->FakeClient = new User(this, "#INVALID");
 537         this->FakeClient->SetFd(FD_MAGIC_NUMBER);
 538
 539         // Get XLine to do it's thing.
 540         this->XLines->CheckELines();
 541         this->XLines->ApplyLines();
 542
 543         CheckDie();
 544         int bounditems = BindPorts(true, found_ports, pl);
 545
 546         printf("\n");
 547
 548         this->Modules->LoadAll();
 549
 550         /* Just in case no modules were loaded - fix for bug #101 */
 551         this->BuildISupport();
 552         InitializeDisabledCommands(Config->DisabledCommands, this);
 553
 554         /*if ((Config->ports.size() == 0) && (found_ports > 0))
 555         {
 556                 printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
 557                 Logs->Log("STARTUP", DEFAULT,"ERROR: I couldn't bind any ports! Something else is bound to those ports!");
 558                 Exit(EXIT_STATUS_BIND);
 559         }*/
 560
 561         if (Config->ports.size() != (unsigned int)found_ports)
 562         {
 563                 printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n", bounditems, found_ports);
 564                 printf("The following port(s) failed to bind:\n");
 565                 printf("Hint: Try using an IP instead of blank or *\n\n");
 566                 int j = 1;
 567                 for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 568                 {
 569                         printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 570                 }
 571         }
 572
 573         printf("\nInspIRCd is now running as '%s'[%s] with %d max open sockets\n", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds());
 574
 575 #ifndef WINDOWS
 576         if (!Config->nofork)
 577         {
 578                 if (kill(getppid(), SIGTERM) == -1)
 579                 {
 580                         printf("Error killing parent process: %s\n",strerror(errno));
 581                         Logs->Log("STARTUP", DEFAULT, "Error killing parent process: %s",strerror(errno));
 582                 }
 583         }
 584
 585         if (isatty(0) && isatty(1) && isatty(2))
 586         {
 587                 /* We didn't start from a TTY, we must have started from a background process -
 588                  * e.g. we are restarting, or being launched by cron. Dont kill parent, and dont
 589                  * close stdin/stdout
 590                  */
 591                 if (!do_nofork)
 592                 {
 593                         fclose(stdin);
 594                         fclose(stderr);
 595                         fclose(stdout);
 596                 }
 597                 else
 598                 {
 599                         Logs->Log("STARTUP", DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
 600                 }
 601         }
 602 #else
 603         WindowsIPC = new IPC(this);
 604         if(!Config->nofork)
 605         {
 606                 WindowsForkKillOwner(this);
 607                 FreeConsole();
 608         }
 609 #endif
 610
 611         Logs->Log("STARTUP", DEFAULT, "Startup complete as '%s'[%s], %d max open sockets", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds());
 612
 613         this->WritePID(Config->PID);
 614 }
 615
 616 int InspIRCd::Run()
 617 {
 618         /* See if we're supposed to be running the test suite rather than entering the mainloop */
 619         if (Config->TestSuite)
 620         {
 621                 TestSuite* ts = new TestSuite(this);
 622                 delete ts;
 623                 Exit(0);
 624         }
 625
 626         while (true)
 627         {
 628 #ifndef WIN32
 629                 static rusage ru;
 630 #else
 631                 static time_t uptime;
 632                 static struct tm * stime;
 633                 static char window_title[100];
 634 #endif
 635
 636                 /* Check if there is a config thread which has finished executing but has not yet been freed */
 637                 if (this->ConfigThread && this->ConfigThread->GetExitFlag())
 638                 {
 639                         /* Rehash has completed */
 640                         this->Logs->Log("CONFIG",DEBUG,"Detected ConfigThread exiting, tidying up...");
 641
 642                         /* IMPORTANT: This delete may hang if you fuck up your thread syncronization.
 643                          * It will hang waiting for the ConfigThread to 'join' to avoid race conditons,
 644                          * until the other thread is completed.
 645                          */
 646                         delete ConfigThread;
 647                         ConfigThread = NULL;
 648
 649                         /* These are currently not known to be threadsafe, so they are executed outside
 650                          * of the thread. It would be pretty simple to move them to the thread Run method
 651                          * once they are known threadsafe with all the correct mutexes in place.
 652                          *
 653                          * XXX: The order of these is IMPORTANT, do not reorder them without testing
 654                          * thoroughly!!!
 655                          */
 656                         this->XLines->CheckELines();
 657                         this->XLines->ApplyLines();
 658                         this->Res->Rehash();
 659                         this->ResetMaxBans();
 660                         InitializeDisabledCommands(Config->DisabledCommands, this);
 661                         FOREACH_MOD_I(this, I_OnRehash, OnRehash(Config->RehashUser, Config->RehashParameter));
 662                         this->BuildISupport();
 663                 }
 664
 665                 /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
 666                  * Once per loop iteration is pleanty.
 667                  */
 668                 OLDTIME = TIME;
 669                 TIME = time(NULL);
 670
 671                 /* Run background module timers every few seconds
 672                  * (the docs say modules shouldnt rely on accurate
 673                  * timing using this event, so we dont have to
 674                  * time this exactly).
 675                  */
 676                 if (TIME != OLDTIME)
 677                 {
 678                         if (TIME < OLDTIME)
 679                         {
 680                                 SNO->WriteToSnoMask('A', "\002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %lu secs.", (unsigned long)OLDTIME-TIME);
 681                         }
 682
 683                         if ((TIME % 3600) == 0)
 684                         {
 685                                 this->RehashUsersAndChans();
 686                                 FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect());
 687                         }
 688
 689                         Timers->TickTimers(TIME);
 690                         this->DoBackgroundUserStuff();
 691
 692                         if ((TIME % 5) == 0)
 693                         {
 694                                 FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
 695                                 SNO->FlushSnotices();
 696                         }
 697 #ifndef WIN32
 698                         /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */
 699                         if (!getrusage(RUSAGE_SELF, &ru))
 700                         {
 701                                 gettimeofday(&this->stats->LastSampled, NULL);
 702                                 this->stats->LastCPU = ru.ru_utime;
 703                         }
 704 #else
 705                         WindowsIPC->Check();
 706 #endif
 707                 }
 708
 709                 /* Call the socket engine to wait on the active
 710                  * file descriptors. The socket engine has everything's
 711                  * descriptors in its list... dns, modules, users,
 712                  * servers... so its nice and easy, just one call.
 713                  * This will cause any read or write events to be
 714                  * dispatched to their handlers.
 715                  */
 716                 this->SE->DispatchEvents();
 717
 718                 /* if any users were quit, take them out */
 719                 this->GlobalCulls.Apply();
 720
 721                 /* If any inspsockets closed, remove them */
 722                 this->BufferedSocketCull();
 723
 724                 if (this->s_signal)
 725                 {
 726                         this->SignalHandler(s_signal);
 727                         this->s_signal = 0;
 728                 }
 729         }
 730
 731         return 0;
 732 }
 733
 734 void InspIRCd::BufferedSocketCull()
 735 {
 736         for (std::map<BufferedSocket*,BufferedSocket*>::iterator x = SocketCull.begin(); x != SocketCull.end(); ++x)
 737         {
 738                 this->Logs->Log("MISC",DEBUG,"Cull socket");
 739                 SE->DelFd(x->second);
 740                 x->second->Close();
 741                 delete x->second;
 742         }
 743         SocketCull.clear();
 744 }
 745
 746 /**********************************************************************************/
 747
 748 /**
 749  * An ircd in five lines! bwahahaha. ahahahahaha. ahahah *cough*.
 750  */
 751
 752 int main(int argc, char ** argv)
 753 {
 754         SI = new InspIRCd(argc, argv);
 755         mysig = &SI->s_signal;
 756         SI->Run();
 757         delete SI;
 758         return 0;
 759 }
 760
 761 /* this returns true when all modules are satisfied that the user should be allowed onto the irc server
 762  * (until this returns true, a user will block in the waiting state, waiting to connect up to the
 763  * registration timeout maximum seconds)
 764  */
 765 bool InspIRCd::AllModulesReportReady(User* user)
 766 {
 767         for (EventHandlerIter i = Modules->EventHandlers[I_OnCheckReady].begin(); i != Modules->EventHandlers[I_OnCheckReady].end(); ++i)
 768         {
 769                 if (!(*i)->OnCheckReady(user))
 770                         return false;
 771         }
 772         return true;
 773 }
 774
 775 time_t InspIRCd::Time()
 776 {
 777         return TIME;
 778 }
 779
 780 void InspIRCd::SetSignal(int signal)
 781 {
 782         *mysig = signal;
 783 }