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         /* Remove core commands */
 116         Parser->RemoveCommands("<core>");
 117
 118         /* Cleanup Server Names */
 119         for(servernamelist::iterator itr = servernames.begin(); itr != servernames.end(); ++itr)
 120                 delete (*itr);
 121
 122         /* Delete objects dynamically allocated in constructor
 123          * (destructor would be more appropriate, but we're likely exiting)
 124          */
 125
 126         // Must be deleted before modes as it decrements modelines
 127         if (this->Users)
 128         {
 129                 delete this->Users;
 130                 this->Users = 0;
 131         }
 132
 133         if (this->Modes)
 134         {
 135                 delete this->Modes;
 136                 this->Modes = 0;
 137         }
 138
 139         if (this->XLines)
 140         {
 141                 delete this->XLines;
 142                 this->XLines = 0;
 143         }
 144
 145         if (this->Parser)
 146         {
 147                 delete this->Parser;
 148                 this->Parser = 0;
 149
 150         if (this->stats)
 151         {
 152                 delete this->stats;
 153                 this->stats = 0;
 154         }
 155
 156         if (this->Modules)
 157         {
 158                 delete this->Modules;
 159                 this->Modules = 0;
 160         }
 161
 162         if (this->BanCache)
 163                 delete this->BanCache;
 164                 this->BanCache = 0;
 165         }
 166
 167         if (this->SNO)
 168         {
 169                 delete this->SNO;
 170                 this->SNO = 0;
 171         }
 172
 173         if (this->Config)
 174         {
 175                 delete this->Config;
 176                 this->Config = 0;
 177         }
 178
 179         if (this->Res)
 180         {
 181                 delete this->Res;
 182                 this->Res = 0;
 183         }
 184
 185         if (this->chanlist)
 186         {
 187                 delete chanlist;
 188                 chanlist = 0;
 189         }
 190
 191         if (this->PI)
 192         {
 193                 delete this->PI;
 194                 this->PI = 0;
 195         }
 196
 197         if (this->Threads)
 198         {
 199                 delete this->Threads;
 200                 this->Threads = 0;
 201         }
 202
 203         /* Needs to be deleted after Res, DNS has a timer */
 204         if (this->Timers)
 205         {
 206                 delete this->Timers;
 207                 this->Timers = 0;
 208         }
 209
 210         /* Close logging */
 211         this->Logs->CloseLogs();
 212
 213         if (this->Logs)
 214         {
 215                 delete this->Logs;
 216                 this->Logs = 0;
 217         }
 218 }
 219
 220 void InspIRCd::Restart(const std::string &reason)
 221 {
 222         /* SendError flushes each client's queue,
 223          * regardless of writeability state
 224          */
 225         this->SendError(reason);
 226
 227         /* Figure out our filename (if theyve renamed it, we're boned) */
 228         std::string me;
 229
 230 #ifdef WINDOWS
 231         char module[MAX_PATH];
 232         if (GetModuleFileName(NULL, module, MAX_PATH))
 233                 me = module;
 234 #else
 235         me = Config->MyDir + "/inspircd";
 236 #endif
 237
 238         char** argv = Config->argv;
 239
 240         this->Cleanup();
 241
 242         if (execv(me.c_str(), argv) == -1)
 243         {
 244                 /* Will raise a SIGABRT if not trapped */
 245                 throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno));
 246         }
 247 }
 248
 249 void InspIRCd::ResetMaxBans()
 250 {
 251         for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++)
 252                 i->second->ResetMaxBans();
 253 }
 254
 255 /** Because hash_map doesnt free its buckets when we delete items (this is a 'feature')
 256  * we must occasionally rehash the hash (yes really).
 257  * We do this by copying the entries from the old hash to a new hash, causing all
 258  * empty buckets to be weeded out of the hash. We dont do this on a timer, as its
 259  * very expensive, so instead we do it when the user types /REHASH and expects a
 260  * short delay anyway.
 261  */
 262 void InspIRCd::RehashUsersAndChans()
 263 {
 264         user_hash* old_users = this->Users->clientlist;
 265         user_hash* old_uuid  = this->Users->uuidlist;
 266         chan_hash* old_chans = this->chanlist;
 267
 268         this->Users->clientlist = new user_hash();
 269         this->Users->uuidlist = new user_hash();
 270         this->chanlist = new chan_hash();
 271
 272         for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++)
 273                 this->Users->clientlist->insert(*n);
 274
 275         delete old_users;
 276
 277         for (user_hash::const_iterator n = old_uuid->begin(); n != old_uuid->end(); n++)
 278                 this->Users->uuidlist->insert(*n);
 279
 280         delete old_uuid;
 281
 282         for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++)
 283                 this->chanlist->insert(*n);
 284
 285         delete old_chans;
 286 }
 287
 288 void InspIRCd::SetSignals()
 289 {
 290 #ifndef WIN32
 291         signal(SIGALRM, SIG_IGN);
 292         signal(SIGHUP, InspIRCd::SetSignal);
 293         signal(SIGPIPE, SIG_IGN);
 294         signal(SIGCHLD, SIG_IGN);
 295 #endif
 296         signal(SIGTERM, InspIRCd::SetSignal);
 297 }
 298
 299 void InspIRCd::QuickExit(int status)
 300 {
 301         exit(0);
 302 }
 303
 304 bool InspIRCd::DaemonSeed()
 305 {
 306 #ifdef WINDOWS
 307         printf_c("InspIRCd Process ID: \033[1;32m%lu\033[0m\n", GetCurrentProcessId());
 308         return true;
 309 #else
 310         signal(SIGTERM, InspIRCd::QuickExit);
 311
 312         int childpid;
 313         if ((childpid = fork ()) < 0)
 314                 return false;
 315         else if (childpid > 0)
 316         {
 317                 /* We wait here for the child process to kill us,
 318                  * so that the shell prompt doesnt come back over
 319                  * the output.
 320                  * Sending a kill with a signal of 0 just checks
 321                  * if the child pid is still around. If theyre not,
 322                  * they threw an error and we should give up.
 323                  */
 324                 while (kill(childpid, 0) != -1)
 325                         sleep(1);
 326                 exit(0);
 327         }
 328         setsid ();
 329         umask (007);
 330         printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
 331
 332         signal(SIGTERM, InspIRCd::SetSignal);
 333
 334         rlimit rl;
 335         if (getrlimit(RLIMIT_CORE, &rl) == -1)
 336         {
 337                 this->Logs->Log("STARTUP",DEFAULT,"Failed to getrlimit()!");
 338                 return false;
 339         }
 340         else
 341         {
 342                 rl.rlim_cur = rl.rlim_max;
 343                 if (setrlimit(RLIMIT_CORE, &rl) == -1)
 344                         this->Logs->Log("STARTUP",DEFAULT,"setrlimit() failed, cannot increase coredump size.");
 345         }
 346
 347         return true;
 348 #endif
 349 }
 350
 351 void InspIRCd::WritePID(const std::string &filename)
 352 {
 353         std::string fname = (filename.empty() ? "inspircd.pid" : filename);
 354         if (*(fname.begin()) != '/')
 355         {
 356                 std::string::size_type pos;
 357                 std::string confpath = this->ConfigFileName;
 358                 if ((pos = confpath.rfind("/")) != std::string::npos)
 359                 {
 360                         /* Leaves us with just the path */
 361                         fname = confpath.substr(0, pos) + std::string("/") + fname;
 362                 }
 363         }
 364         std::ofstream outfile(fname.c_str());
 365         if (outfile.is_open())
 366         {
 367                 outfile << getpid();
 368                 outfile.close();
 369         }
 370         else
 371         {
 372                 printf("Failed to write PID-file '%s', exiting.\n",fname.c_str());
 373                 this->Logs->Log("STARTUP",DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str());
 374                 Exit(EXIT_STATUS_PID);
 375         }
 376 }
 377
 378 InspIRCd::InspIRCd(int argc, char** argv)
 379         : GlobalCulls(this),
 380
 381          /* Functor initialisation. Note that the ordering here is very important.
 382           *
 383           * THIS MUST MATCH ORDER OF DECLARATION OF THE HandleWhateverFunc classes
 384           * within class InspIRCd.
 385           */
 386          HandleProcessUser(this),
 387          HandleIsNick(this),
 388          HandleIsIdent(this),
 389          HandleFindDescriptor(this),
 390          HandleFloodQuitUser(this),
 391          HandleIsChannel(this),
 392          HandleIsSID(this),
 393          HandleRehash(this),
 394
 395          /* Functor pointer initialisation. Must match the order of the list above
 396           *
 397           * THIS MUST MATCH THE ORDER OF DECLARATION OF THE FUNCTORS, e.g. the methods
 398           * themselves within the class.
 399           */
 400          ProcessUser(&HandleProcessUser),
 401          IsChannel(&HandleIsChannel),
 402          IsSID(&HandleIsSID),
 403          Rehash(&HandleRehash),
 404          IsNick(&HandleIsNick),
 405          IsIdent(&HandleIsIdent),
 406          FindDescriptor(&HandleFindDescriptor),
 407          FloodQuitUser(&HandleFloodQuitUser)
 408
 409 {
 410 #ifdef WIN32
 411         // Strict, frequent checking of memory on debug builds
 412         _CrtSetDbgFlag ( _CRTDBG_CHECK_ALWAYS_DF | _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
 413
 414         // Avoid erroneous frees on early exit
 415         WindowsIPC = 0;
 416 #endif
 417         int found_ports = 0;
 418         FailedPortList pl;
 419         int do_version = 0, do_nofork = 0, do_debug = 0,
 420             do_nolog = 0, do_root = 0, do_testsuite = 0;    /* flag variables */
 421         char c = 0;
 422
 423         // Initialize so that if we exit before proper initialization they're not deleted
 424         this->Logs = 0;
 425         this->Threads = 0;
 426         this->PI = 0;
 427         this->Users = 0;
 428         this->chanlist = 0;
 429         this->Config = 0;
 430         this->SNO = 0;
 431         this->BanCache = 0;
 432         this->Modules = 0;
 433         this->stats = 0;
 434         this->Timers = 0;
 435         this->Parser = 0;
 436         this->XLines = 0;
 437         this->Modes = 0;
 438         this->Res = 0;
 439
 440
 441         memset(&server, 0, sizeof(server));
 442         memset(&client, 0, sizeof(client));
 443
 444         // This must be created first, so other parts of Insp can use it while starting up
 445         this->Logs = new LogManager(this);
 446
 447         SocketEngineFactory* SEF = new SocketEngineFactory();
 448         SE = SEF->Create(this);
 449         delete SEF;
 450
 451         ThreadEngineFactory* tef = new ThreadEngineFactory();
 452         this->Threads = tef->Create(this);
 453         delete tef;
 454
 455         /* Default implementation does nothing */
 456         this->PI = new ProtocolInterface(this);
 457
 458         this->s_signal = 0;
 459
 460         // Create base manager classes early, so nothing breaks
 461         this->Users = new UserManager(this);
 462
 463         this->Users->unregistered_count = 0;
 464
 465         this->Users->clientlist = new user_hash();
 466         this->Users->uuidlist = new user_hash();
 467         this->chanlist = new chan_hash();
 468
 469         this->Config = new ServerConfig(this);
 470         this->SNO = new SnomaskManager(this);
 471         this->BanCache = new BanCacheManager(this);
 472         this->Modules = new ModuleManager(this);
 473         this->stats = new serverstats();
 474         this->Timers = new TimerManager(this);
 475         this->Parser = new CommandParser(this);
 476         this->XLines = new XLineManager(this);
 477
 478         this->Config->argv = argv;
 479         this->Config->argc = argc;
 480
 481         if (chdir(Config->GetFullProgDir().c_str()))
 482         {
 483                 printf("Unable to change to my directory: %s\nAborted.", strerror(errno));
 484                 exit(0);
 485         }
 486
 487         this->Config->opertypes.clear();
 488         this->Config->operclass.clear();
 489
 490         this->TIME = this->OLDTIME = this->startup_time = time(NULL);
 491         srand(this->TIME);
 492
 493         *this->LogFileName = 0;
 494         strlcpy(this->ConfigFileName, CONFIG_FILE, MAXBUF);
 495
 496         struct option longopts[] =
 497         {
 498                 { "nofork",     no_argument,            &do_nofork,     1       },
 499                 { "logfile",    required_argument,      NULL,           'f'     },
 500                 { "config",     required_argument,      NULL,           'c'     },
 501                 { "debug",      no_argument,            &do_debug,      1       },
 502                 { "nolog",      no_argument,            &do_nolog,      1       },
 503                 { "runasroot",  no_argument,            &do_root,       1       },
 504                 { "version",    no_argument,            &do_version,    1       },
 505                 { "testsuite",  no_argument,            &do_testsuite,  1       },
 506                 { 0, 0, 0, 0 }
 507         };
 508
 509         while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1)
 510         {
 511                 switch (c)
 512                 {
 513                         case 'f':
 514                                 /* Log filename was set */
 515                                 strlcpy(LogFileName, optarg, MAXBUF);
 516                         break;
 517                         case 'c':
 518                                 /* Config filename was set */
 519                                 strlcpy(ConfigFileName, optarg, MAXBUF);
 520                         break;
 521                         case 0:
 522                                 /* getopt_long_only() set an int variable, just keep going */
 523                         break;
 524                         default:
 525                                 /* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */
 526                                 printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile <filename>]\n\
 527                                                   [--runasroot] [--version] [--config <config>] [--testsuite]\n", argv[0]);
 528                                 Exit(EXIT_STATUS_ARGV);
 529                         break;
 530                 }
 531         }
 532
 533         if (do_testsuite)
 534                 do_nofork = do_debug = true;
 535
 536         if (do_version)
 537         {
 538                 printf("\n%s r%s\n", VERSION, REVISION);
 539                 Exit(EXIT_STATUS_NOERROR);
 540         }
 541
 542 #ifdef WIN32
 543
 544         // Handle forking
 545         if(!do_nofork)
 546         {
 547                 DWORD ExitCode = WindowsForkStart(this);
 548                 if(ExitCode)
 549                         exit(ExitCode);
 550         }
 551
 552         // Set up winsock
 553         WSADATA wsadata;
 554         WSAStartup(MAKEWORD(2,0), &wsadata);
 555         ChangeWindowsSpecificPointers(this);
 556 #endif
 557         strlcpy(Config->MyExecutable,argv[0],MAXBUF);
 558
 559         /* Set the finished argument values */
 560         Config->nofork = do_nofork;
 561         Config->forcedebug = do_debug;
 562         Config->writelog = !do_nolog;
 563         Config->TestSuite = do_testsuite;
 564
 565         if (!this->OpenLog(argv, argc))
 566         {
 567                 printf("ERROR: Could not open logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno));
 568                 Exit(EXIT_STATUS_LOG);
 569         }
 570
 571         if (!ServerConfig::FileExists(this->ConfigFileName))
 572         {
 573                 printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName);
 574                 this->Logs->Log("STARTUP",DEFAULT,"Unable to open config file %s", this->ConfigFileName);
 575                 Exit(EXIT_STATUS_CONFIG);
 576         }
 577
 578         printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
 579         printf_c("(C) InspIRCd Development Team.\033[0m\n\n");
 580         printf_c("Developers:\n");
 581         printf_c("\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special\n");
 582         printf_c("\t\033[1;32mpippijn, peavey, aquanight, fez\033[0m\n\n");
 583         printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
 584
 585         Config->ClearStack();
 586
 587         this->Modes = new ModeParser(this);
 588
 589         if (!do_root)
 590                 this->CheckRoot();
 591         else
 592         {
 593                 printf("* WARNING * WARNING * WARNING * WARNING * WARNING * \n\n");
 594                 printf("YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED\n");
 595                 printf("AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED\n");
 596                 printf("OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR\n");
 597                 printf("SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN\n");
 598                 printf("TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART\n");
 599                 printf("THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!\n");
 600                 printf("\nInspIRCd starting in 20 seconds, ctrl+c to abort...\n");
 601                 sleep(20);
 602         }
 603
 604         this->SetSignals();
 605
 606         if (!Config->nofork)
 607         {
 608                 if (!this->DaemonSeed())
 609                 {
 610                         printf("ERROR: could not go into daemon mode. Shutting down.\n");
 611                         Logs->Log("STARTUP", DEFAULT, "ERROR: could not go into daemon mode. Shutting down.");
 612                         Exit(EXIT_STATUS_FORK);
 613                 }
 614         }
 615
 616         SE->RecoverFromFork();
 617
 618         /* During startup we don't actually initialize this
 619          * in the thread engine.
 620          */
 621         this->ConfigThread = new ConfigReaderThread(this, true, NULL);
 622         ConfigThread->Run();
 623         delete ConfigThread;
 624         this->ConfigThread = NULL;
 625
 626         this->Res = new DNS(this);
 627
 628         this->AddServerName(Config->ServerName);
 629
 630         /*
 631          * Initialise SID/UID.
 632          * For an explanation as to exactly how this works, and why it works this way, see GetUID().
 633          *   -- w00t
 634          */
 635         if (!*Config->sid)
 636         {
 637                 // Generate one
 638                 size_t sid = 0;
 639
 640                 for (const char* x = Config->ServerName; *x; ++x)
 641                         sid = 5 * sid + *x;
 642                 for (const char* y = Config->ServerDesc; *y; ++y)
 643                         sid = 5 * sid + *y;
 644                 sid = sid % 999;
 645
 646                 Config->sid[0] = (char)(sid / 100 + 48);
 647                 Config->sid[1] = (char)(((sid / 10) % 10) + 48);
 648                 Config->sid[2] = (char)(sid % 10 + 48);
 649                 Config->sid[3] = '\0';
 650         }
 651
 652         /* set up fake client again this time with the correct uid */
 653         this->FakeClient = new User(this, "#INVALID");
 654         this->FakeClient->SetFd(FD_MAGIC_NUMBER);
 655
 656         // Get XLine to do it's thing.
 657         this->XLines->CheckELines();
 658         this->XLines->ApplyLines();
 659
 660         CheckDie();
 661         int bounditems = BindPorts(true, found_ports, pl);
 662
 663         printf("\n");
 664
 665         this->Modules->LoadAll();
 666
 667         /* Just in case no modules were loaded - fix for bug #101 */
 668         this->BuildISupport();
 669         InitializeDisabledCommands(Config->DisabledCommands, this);
 670
 671         /*if ((Config->ports.size() == 0) && (found_ports > 0))
 672         {
 673                 printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
 674                 Logs->Log("STARTUP", DEFAULT,"ERROR: I couldn't bind any ports! Something else is bound to those ports!");
 675                 Exit(EXIT_STATUS_BIND);
 676         }*/
 677
 678         if (Config->ports.size() != (unsigned int)found_ports)
 679         {
 680                 printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n", bounditems, found_ports);
 681                 printf("The following port(s) failed to bind:\n");
 682                 printf("Hint: Try using an IP instead of blank or *\n\n");
 683                 int j = 1;
 684                 for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 685                 {
 686                         printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 687                 }
 688         }
 689
 690         printf("\nInspIRCd is now running as '%s'[%s] with %d max open sockets\n", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds());
 691
 692 #ifndef WINDOWS
 693         if (!Config->nofork)
 694         {
 695                 if (kill(getppid(), SIGTERM) == -1)
 696                 {
 697                         printf("Error killing parent process: %s\n",strerror(errno));
 698                         Logs->Log("STARTUP", DEFAULT, "Error killing parent process: %s",strerror(errno));
 699                 }
 700         }
 701
 702         if (isatty(0) && isatty(1) && isatty(2))
 703         {
 704                 /* We didn't start from a TTY, we must have started from a background process -
 705                  * e.g. we are restarting, or being launched by cron. Dont kill parent, and dont
 706                  * close stdin/stdout
 707                  */
 708                 if ((!do_nofork) && (!do_testsuite))
 709                 {
 710                         fclose(stdin);
 711                         fclose(stderr);
 712                         fclose(stdout);
 713                 }
 714                 else
 715                 {
 716                         Logs->Log("STARTUP", DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
 717                 }
 718         }
 719 #else
 720         WindowsIPC = new IPC(this);
 721         if(!Config->nofork)
 722         {
 723                 WindowsForkKillOwner(this);
 724                 FreeConsole();
 725         }
 726 #endif
 727
 728         Logs->Log("STARTUP", DEFAULT, "Startup complete as '%s'[%s], %d max open sockets", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds());
 729
 730         this->WritePID(Config->PID);
 731 }
 732
 733 int InspIRCd::Run()
 734 {
 735         /* See if we're supposed to be running the test suite rather than entering the mainloop */
 736         if (Config->TestSuite)
 737         {
 738                 TestSuite* ts = new TestSuite(this);
 739                 delete ts;
 740                 Exit(0);
 741         }
 742
 743         while (true)
 744         {
 745 #ifndef WIN32
 746                 static rusage ru;
 747 #else
 748                 static time_t uptime;
 749                 static struct tm * stime;
 750                 static char window_title[100];
 751 #endif
 752
 753                 /* Check if there is a config thread which has finished executing but has not yet been freed */
 754                 if (this->ConfigThread && this->ConfigThread->GetExitFlag())
 755                 {
 756                         /* Rehash has completed */
 757                         this->Logs->Log("CONFIG",DEBUG,"Detected ConfigThread exiting, tidying up...");
 758
 759                         /* IMPORTANT: This delete may hang if you fuck up your thread syncronization.
 760                          * It will hang waiting for the ConfigThread to 'join' to avoid race conditons,
 761                          * until the other thread is completed.
 762                          */
 763                         delete ConfigThread;
 764                         ConfigThread = NULL;
 765
 766                         /* These are currently not known to be threadsafe, so they are executed outside
 767                          * of the thread. It would be pretty simple to move them to the thread Run method
 768                          * once they are known threadsafe with all the correct mutexes in place.
 769                          *
 770                          * XXX: The order of these is IMPORTANT, do not reorder them without testing
 771                          * thoroughly!!!
 772                          */
 773                         this->XLines->CheckELines();
 774                         this->XLines->ApplyLines();
 775                         this->Res->Rehash();
 776                         this->ResetMaxBans();
 777                         InitializeDisabledCommands(Config->DisabledCommands, this);
 778                         FOREACH_MOD_I(this, I_OnRehash, OnRehash(Config->RehashUser, Config->RehashParameter));
 779                         this->BuildISupport();
 780                 }
 781
 782                 /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
 783                  * Once per loop iteration is pleanty.
 784                  */
 785                 OLDTIME = TIME;
 786                 TIME = time(NULL);
 787
 788                 /* Run background module timers every few seconds
 789                  * (the docs say modules shouldnt rely on accurate
 790                  * timing using this event, so we dont have to
 791                  * time this exactly).
 792                  */
 793                 if (TIME != OLDTIME)
 794                 {
 795                         if (TIME < OLDTIME)
 796                         {
 797                                 SNO->WriteToSnoMask('A', "\002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %lu secs.", (unsigned long)OLDTIME-TIME);
 798                         }
 799
 800                         if ((TIME % 3600) == 0)
 801                         {
 802                                 this->RehashUsersAndChans();
 803                                 FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect());
 804                         }
 805
 806                         Timers->TickTimers(TIME);
 807                         this->DoBackgroundUserStuff();
 808
 809                         if ((TIME % 5) == 0)
 810                         {
 811                                 FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
 812                                 SNO->FlushSnotices();
 813                         }
 814 #ifndef WIN32
 815                         /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */
 816                         if (!getrusage(RUSAGE_SELF, &ru))
 817                         {
 818                                 gettimeofday(&this->stats->LastSampled, NULL);
 819                                 this->stats->LastCPU = ru.ru_utime;
 820                         }
 821 #else
 822                         WindowsIPC->Check();
 823 #endif
 824                 }
 825
 826                 /* Call the socket engine to wait on the active
 827                  * file descriptors. The socket engine has everything's
 828                  * descriptors in its list... dns, modules, users,
 829                  * servers... so its nice and easy, just one call.
 830                  * This will cause any read or write events to be
 831                  * dispatched to their handlers.
 832                  */
 833                 this->SE->DispatchEvents();
 834
 835                 /* if any users were quit, take them out */
 836                 this->GlobalCulls.Apply();
 837
 838                 /* If any inspsockets closed, remove them */
 839                 this->BufferedSocketCull();
 840
 841                 if (this->s_signal)
 842                 {
 843                         this->SignalHandler(s_signal);
 844                         this->s_signal = 0;
 845                 }
 846         }
 847
 848         return 0;
 849 }
 850
 851 void InspIRCd::BufferedSocketCull()
 852 {
 853         for (std::map<BufferedSocket*,BufferedSocket*>::iterator x = SocketCull.begin(); x != SocketCull.end(); ++x)
 854         {
 855                 this->Logs->Log("MISC",DEBUG,"Cull socket");
 856                 SE->DelFd(x->second);
 857                 x->second->Close();
 858                 delete x->second;
 859         }
 860         SocketCull.clear();
 861 }
 862
 863 /**********************************************************************************/
 864
 865 /**
 866  * An ircd in five lines! bwahahaha. ahahahahaha. ahahah *cough*.
 867  */
 868
 869 int main(int argc, char ** argv)
 870 {
 871         SI = new InspIRCd(argc, argv);
 872         mysig = &SI->s_signal;
 873         SI->Run();
 874         delete SI;
 875         return 0;
 876 }
 877
 878 /* this returns true when all modules are satisfied that the user should be allowed onto the irc server
 879  * (until this returns true, a user will block in the waiting state, waiting to connect up to the
 880  * registration timeout maximum seconds)
 881  */
 882 bool InspIRCd::AllModulesReportReady(User* user)
 883 {
 884         for (EventHandlerIter i = Modules->EventHandlers[I_OnCheckReady].begin(); i != Modules->EventHandlers[I_OnCheckReady].end(); ++i)
 885         {
 886                 if (!(*i)->OnCheckReady(user))
 887                         return false;
 888         }
 889         return true;
 890 }
 891
 892 time_t InspIRCd::Time()
 893 {
 894         return TIME;
 895 }
 896
 897 void InspIRCd::SetSignal(int signal)
 898 {
 899         *mysig = signal;
 900 }