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