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 /* w00t was here. ;p */
  15
  16 /* $Install: src/inspircd $(BINPATH) */
  17 #include "inspircd.h"
  18 #include <signal.h>
  19
  20 #ifndef WIN32
  21         #include <dirent.h>
  22         #include <unistd.h>
  23         #include <sys/resource.h>
  24         #include <dlfcn.h>
  25         #include <getopt.h>
  26
  27         /* Some systems don't define RUSAGE_SELF. This should fix them. */
  28         #ifndef RUSAGE_SELF
  29                 #define RUSAGE_SELF 0
  30         #endif
  31
  32         /* CRT memory debugging */
  33         #ifdef DEBUG
  34         #define _CRTDBG_MAP_ALLOC
  35         #include <stdlib.h>
  36         #include <crtdbg.h>
  37         #endif
  38 #endif
  39
  40 #include <fstream>
  41 #include "xline.h"
  42 #include "bancache.h"
  43 #include "socketengine.h"
  44 #include "inspircd_se_config.h"
  45 #include "socket.h"
  46 #include "command_parse.h"
  47 #include "exitcodes.h"
  48 #include "caller.h"
  49 #include "testsuite.h"
  50
  51 InspIRCd* SI = NULL;
  52 int* mysig = NULL;
  53
  54
  55 /* Moved from exitcodes.h -- due to duplicate symbols -- Burlex
  56  * XXX this is a bit ugly. -- w00t
  57  */
  58 const char* ExitCodes[] =
  59 {
  60                 "No error", /* 0 */
  61                 "DIE command", /* 1 */
  62                 "execv() failed", /* 2 */
  63                 "Internal error", /* 3 */
  64                 "Config file error", /* 4 */
  65                 "Logfile error", /* 5 */
  66                 "POSIX fork failed", /* 6 */
  67                 "Bad commandline parameters", /* 7 */
  68                 "No ports could be bound", /* 8 */
  69                 "Can't write PID file", /* 9 */
  70                 "SocketEngine could not initialize", /* 10 */
  71                 "Refusing to start up as root", /* 11 */
  72                 "Found a <die> tag!", /* 12 */
  73                 "Couldn't load module on startup", /* 13 */
  74                 "Could not create windows forked process", /* 14 */
  75                 "Received SIGTERM", /* 15 */
  76                 "Bad command handler loaded", /* 16 */
  77                 "RegisterServiceCtrlHandler failed", /* 17 */
  78                 "UpdateSCMStatus failed", /* 18 */
  79                 "CreateEvent failed" /* 19 */
  80 };
  81
  82 void InspIRCd::Cleanup()
  83 {
  84         if (Config)
  85         {
  86                 for (unsigned int i = 0; i < Config->ports.size(); i++)
  87                 {
  88                         /* This calls the constructor and closes the listening socket */
  89                         delete Config->ports[i];
  90                 }
  91
  92                 Config->ports.clear();
  93         }
  94
  95         /* Close all client sockets, or the new process inherits them */
  96         for (std::vector<User*>::const_iterator i = this->Users->local_users.begin(); i != this->Users->local_users.end(); i++)
  97         {
  98                 this->Users->QuitUser((*i), "Server shutdown");
  99                 (*i)->CloseSocket();
 100         }
 101
 102         /* We do this more than once, so that any service providers get a
 103          * chance to be unhooked by the modules using them, but then get
 104          * a chance to be removed themsleves.
 105          *
 106          * XXX there may be a better way to do this with 1.2
 107          */
 108         for (int tries = 0; tries < 3; tries++)
 109         {
 110                 std::vector<std::string> module_names = Modules->GetAllModuleNames(0);
 111                 for (std::vector<std::string>::iterator k = module_names.begin(); k != module_names.end(); ++k)
 112                 {
 113                         /* Unload all modules, so they get a chance to clean up their listeners */
 114                         this->Modules->Unload(k->c_str());
 115                 }
 116         }
 117         /* Remove core commands */
 118         Parser->RemoveCommands("<core>");
 119
 120         /* Cleanup Server Names */
 121         for(servernamelist::iterator itr = servernames.begin(); itr != servernames.end(); ++itr)
 122                 delete (*itr);
 123
 124         /* Delete objects dynamically allocated in constructor
 125          * (destructor would be more appropriate, but we're likely exiting)
 126          */
 127
 128         // Must be deleted before modes as it decrements modelines
 129         if (this->Users)
 130         {
 131                 delete this->Users;
 132                 this->Users = 0;
 133         }
 134
 135         if (this->Modes)
 136         {
 137                 delete this->Modes;
 138                 this->Modes = 0;
 139         }
 140
 141         if (this->XLines)
 142         {
 143                 delete this->XLines;
 144                 this->XLines = 0;
 145         }
 146
 147         if (this->Parser)
 148         {
 149                 delete this->Parser;
 150                 this->Parser = 0;
 151
 152         if (this->stats)
 153         {
 154                 delete this->stats;
 155                 this->stats = 0;
 156         }
 157
 158         if (this->Modules)
 159         {
 160                 delete this->Modules;
 161                 this->Modules = 0;
 162         }
 163
 164         if (this->BanCache)
 165                 delete this->BanCache;
 166                 this->BanCache = 0;
 167         }
 168
 169         if (this->SNO)
 170         {
 171                 delete this->SNO;
 172                 this->SNO = 0;
 173         }
 174
 175         if (this->Config)
 176         {
 177                 delete this->Config;
 178                 this->Config = 0;
 179         }
 180
 181         if (this->Res)
 182         {
 183                 delete this->Res;
 184                 this->Res = 0;
 185         }
 186
 187         if (this->chanlist)
 188         {
 189                 delete chanlist;
 190                 chanlist = 0;
 191         }
 192
 193         if (this->PI)
 194         {
 195                 delete this->PI;
 196                 this->PI = 0;
 197         }
 198
 199         if (this->Threads)
 200         {
 201                 delete this->Threads;
 202                 this->Threads = 0;
 203         }
 204
 205         /* Needs to be deleted after Res, DNS has a timer */
 206         if (this->Timers)
 207         {
 208                 delete this->Timers;
 209                 this->Timers = 0;
 210         }
 211
 212         /* Close logging */
 213         this->Logs->CloseLogs();
 214
 215         if (this->Logs)
 216         {
 217                 delete this->Logs;
 218                 this->Logs = 0;
 219         }
 220 }
 221
 222 void InspIRCd::Restart(const std::string &reason)
 223 {
 224         /* SendError flushes each client's queue,
 225          * regardless of writeability state
 226          */
 227         this->SendError(reason);
 228
 229         /* Figure out our filename (if theyve renamed it, we're boned) */
 230         std::string me;
 231
 232 #ifdef WINDOWS
 233         char module[MAX_PATH];
 234         if (GetModuleFileName(NULL, module, MAX_PATH))
 235                 me = module;
 236 #else
 237         me = Config->MyDir + "/inspircd";
 238 #endif
 239
 240         char** argv = Config->argv;
 241
 242         this->Cleanup();
 243
 244         if (execv(me.c_str(), argv) == -1)
 245         {
 246                 /* Will raise a SIGABRT if not trapped */
 247                 throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno));
 248         }
 249 }
 250
 251 void InspIRCd::ResetMaxBans()
 252 {
 253         for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++)
 254                 i->second->ResetMaxBans();
 255 }
 256
 257 /** Because hash_map doesnt free its buckets when we delete items (this is a 'feature')
 258  * we must occasionally rehash the hash (yes really).
 259  * We do this by copying the entries from the old hash to a new hash, causing all
 260  * empty buckets to be weeded out of the hash. We dont do this on a timer, as its
 261  * very expensive, so instead we do it when the user types /REHASH and expects a
 262  * short delay anyway.
 263  */
 264 void InspIRCd::RehashUsersAndChans()
 265 {
 266         user_hash* old_users = this->Users->clientlist;
 267         user_hash* old_uuid  = this->Users->uuidlist;
 268         chan_hash* old_chans = this->chanlist;
 269
 270         this->Users->clientlist = new user_hash();
 271         this->Users->uuidlist = new user_hash();
 272         this->chanlist = new chan_hash();
 273
 274         for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++)
 275                 this->Users->clientlist->insert(*n);
 276
 277         delete old_users;
 278
 279         for (user_hash::const_iterator n = old_uuid->begin(); n != old_uuid->end(); n++)
 280                 this->Users->uuidlist->insert(*n);
 281
 282         delete old_uuid;
 283
 284         for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++)
 285                 this->chanlist->insert(*n);
 286
 287         delete old_chans;
 288 }
 289
 290 void InspIRCd::SetSignals()
 291 {
 292 #ifndef WIN32
 293         signal(SIGALRM, SIG_IGN);
 294         signal(SIGHUP, InspIRCd::SetSignal);
 295         signal(SIGPIPE, SIG_IGN);
 296         signal(SIGCHLD, SIG_IGN);
 297 #endif
 298         signal(SIGTERM, InspIRCd::SetSignal);
 299 }
 300
 301 void InspIRCd::QuickExit(int status)
 302 {
 303         exit(0);
 304 }
 305
 306 bool InspIRCd::DaemonSeed()
 307 {
 308 #ifdef WINDOWS
 309         printf_c("InspIRCd Process ID: \033[1;32m%lu\033[0m\n", GetCurrentProcessId());
 310         return true;
 311 #else
 312         signal(SIGTERM, InspIRCd::QuickExit);
 313
 314         int childpid;
 315         if ((childpid = fork ()) < 0)
 316                 return false;
 317         else if (childpid > 0)
 318         {
 319                 /* We wait here for the child process to kill us,
 320                  * so that the shell prompt doesnt come back over
 321                  * the output.
 322                  * Sending a kill with a signal of 0 just checks
 323                  * if the child pid is still around. If theyre not,
 324                  * they threw an error and we should give up.
 325                  */
 326                 while (kill(childpid, 0) != -1)
 327                         sleep(1);
 328                 exit(0);
 329         }
 330         setsid ();
 331         umask (007);
 332         printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
 333
 334         signal(SIGTERM, InspIRCd::SetSignal);
 335
 336         rlimit rl;
 337         if (getrlimit(RLIMIT_CORE, &rl) == -1)
 338         {
 339                 this->Logs->Log("STARTUP",DEFAULT,"Failed to getrlimit()!");
 340                 return false;
 341         }
 342         else
 343         {
 344                 rl.rlim_cur = rl.rlim_max;
 345                 if (setrlimit(RLIMIT_CORE, &rl) == -1)
 346                         this->Logs->Log("STARTUP",DEFAULT,"setrlimit() failed, cannot increase coredump size.");
 347         }
 348
 349         return true;
 350 #endif
 351 }
 352
 353 void InspIRCd::WritePID(const std::string &filename)
 354 {
 355         std::string fname = (filename.empty() ? "inspircd.pid" : filename);
 356         std::replace(fname.begin(), fname.end(), '\\', '/');
 357         if ((fname[0] != '/') && (!Config->StartsWithWindowsDriveLetter(filename)))
 358         {
 359                 std::string::size_type pos;
 360                 std::string confpath = this->ConfigFileName;
 361                 if ((pos = confpath.rfind("/")) != std::string::npos)
 362                 {
 363                         /* Leaves us with just the path */
 364                         fname = confpath.substr(0, pos) + std::string("/") + fname;
 365                 }
 366         }
 367         std::ofstream outfile(fname.c_str());
 368         if (outfile.is_open())
 369         {
 370                 outfile << getpid();
 371                 outfile.close();
 372         }
 373         else
 374         {
 375                 printf("Failed to write PID-file '%s', exiting.\n",fname.c_str());
 376                 this->Logs->Log("STARTUP",DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str());
 377                 Exit(EXIT_STATUS_PID);
 378         }
 379 }
 380
 381 InspIRCd::InspIRCd(int argc, char** argv)
 382         : GlobalCulls(this),
 383
 384          /* Functor initialisation. Note that the ordering here is very important.
 385           *
 386           * THIS MUST MATCH ORDER OF DECLARATION OF THE HandleWhateverFunc classes
 387           * within class InspIRCd.
 388           */
 389          HandleProcessUser(this),
 390          HandleIsNick(this),
 391          HandleIsIdent(this),
 392          HandleFindDescriptor(this),
 393          HandleFloodQuitUser(this),
 394          HandleIsChannel(this),
 395          HandleIsSID(this),
 396          HandleRehash(this),
 397
 398          /* Functor pointer initialisation. Must match the order of the list above
 399           *
 400           * THIS MUST MATCH THE ORDER OF DECLARATION OF THE FUNCTORS, e.g. the methods
 401           * themselves within the class.
 402           */
 403          ProcessUser(&HandleProcessUser),
 404          IsChannel(&HandleIsChannel),
 405          IsSID(&HandleIsSID),
 406          Rehash(&HandleRehash),
 407          IsNick(&HandleIsNick),
 408          IsIdent(&HandleIsIdent),
 409          FindDescriptor(&HandleFindDescriptor),
 410          FloodQuitUser(&HandleFloodQuitUser)
 411
 412 {
 413 #ifdef WIN32
 414         // Strict, frequent checking of memory on debug builds
 415         _CrtSetDbgFlag ( _CRTDBG_CHECK_ALWAYS_DF | _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
 416
 417         // Avoid erroneous frees on early exit
 418         WindowsIPC = 0;
 419 #endif
 420         int found_ports = 0;
 421         FailedPortList pl;
 422         int do_version = 0, do_nofork = 0, do_debug = 0,
 423             do_nolog = 0, do_root = 0, do_testsuite = 0;    /* flag variables */
 424         char c = 0;
 425
 426         // Initialize so that if we exit before proper initialization they're not deleted
 427         this->Logs = 0;
 428         this->Threads = 0;
 429         this->PI = 0;
 430         this->Users = 0;
 431         this->chanlist = 0;
 432         this->Config = 0;
 433         this->SNO = 0;
 434         this->BanCache = 0;
 435         this->Modules = 0;
 436         this->stats = 0;
 437         this->Timers = 0;
 438         this->Parser = 0;
 439         this->XLines = 0;
 440         this->Modes = 0;
 441         this->Res = 0;
 442
 443
 444         memset(&server, 0, sizeof(server));
 445         memset(&client, 0, sizeof(client));
 446
 447         // This must be created first, so other parts of Insp can use it while starting up
 448         this->Logs = new LogManager(this);
 449
 450         SocketEngineFactory* SEF = new SocketEngineFactory();
 451         SE = SEF->Create(this);
 452         delete SEF;
 453
 454         ThreadEngineFactory* tef = new ThreadEngineFactory();
 455         this->Threads = tef->Create(this);
 456         delete tef;
 457         this->Mutexes = new MutexFactory(this);
 458
 459         /* Default implementation does nothing */
 460         this->PI = new ProtocolInterface(this);
 461
 462         this->s_signal = 0;
 463
 464         // Create base manager classes early, so nothing breaks
 465         this->Users = new UserManager(this);
 466
 467         this->Users->unregistered_count = 0;
 468
 469         this->Users->clientlist = new user_hash();
 470         this->Users->uuidlist = new user_hash();
 471         this->chanlist = new chan_hash();
 472
 473         this->Config = new ServerConfig(this);
 474         this->SNO = new SnomaskManager(this);
 475         this->BanCache = new BanCacheManager(this);
 476         this->Modules = new ModuleManager(this);
 477         this->stats = new serverstats();
 478         this->Timers = new TimerManager(this);
 479         this->Parser = new CommandParser(this);
 480         this->XLines = new XLineManager(this);
 481
 482         this->Config->argv = argv;
 483         this->Config->argc = argc;
 484
 485         if (chdir(Config->GetFullProgDir().c_str()))
 486         {
 487                 printf("Unable to change to my directory: %s\nAborted.", strerror(errno));
 488                 exit(0);
 489         }
 490
 491         this->Config->opertypes.clear();
 492         this->Config->operclass.clear();
 493
 494         this->TIME = this->OLDTIME = this->startup_time = time(NULL);
 495         srand(this->TIME);
 496
 497         *this->LogFileName = 0;
 498         strlcpy(this->ConfigFileName, CONFIG_FILE, MAXBUF);
 499
 500         struct option longopts[] =
 501         {
 502                 { "nofork",     no_argument,            &do_nofork,     1       },
 503                 { "logfile",    required_argument,      NULL,           'f'     },
 504                 { "config",     required_argument,      NULL,           'c'     },
 505                 { "debug",      no_argument,            &do_debug,      1       },
 506                 { "nolog",      no_argument,            &do_nolog,      1       },
 507                 { "runasroot",  no_argument,            &do_root,       1       },
 508                 { "version",    no_argument,            &do_version,    1       },
 509                 { "testsuite",  no_argument,            &do_testsuite,  1       },
 510                 { 0, 0, 0, 0 }
 511         };
 512
 513         while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1)
 514         {
 515                 switch (c)
 516                 {
 517                         case 'f':
 518                                 /* Log filename was set */
 519                                 strlcpy(LogFileName, optarg, MAXBUF);
 520                         break;
 521                         case 'c':
 522                                 /* Config filename was set */
 523                                 strlcpy(ConfigFileName, optarg, MAXBUF);
 524                         break;
 525                         case 0:
 526                                 /* getopt_long_only() set an int variable, just keep going */
 527                         break;
 528                         default:
 529                                 /* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */
 530                                 printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile <filename>]\n\
 531                                                   [--runasroot] [--version] [--config <config>] [--testsuite]\n", argv[0]);
 532                                 Exit(EXIT_STATUS_ARGV);
 533                         break;
 534                 }
 535         }
 536
 537         if (do_testsuite)
 538                 do_nofork = do_debug = true;
 539
 540         if (do_version)
 541         {
 542                 printf("\n%s r%s\n", VERSION, REVISION);
 543                 Exit(EXIT_STATUS_NOERROR);
 544         }
 545
 546 #ifdef WIN32
 547
 548         // Handle forking
 549         if(!do_nofork)
 550         {
 551                 DWORD ExitCode = WindowsForkStart(this);
 552                 if(ExitCode)
 553                         exit(ExitCode);
 554         }
 555
 556         // Set up winsock
 557         WSADATA wsadata;
 558         WSAStartup(MAKEWORD(2,0), &wsadata);
 559         ChangeWindowsSpecificPointers(this);
 560 #endif
 561         strlcpy(Config->MyExecutable,argv[0],MAXBUF);
 562
 563         /* Set the finished argument values */
 564         Config->nofork = do_nofork;
 565         Config->forcedebug = do_debug;
 566         Config->writelog = !do_nolog;
 567         Config->TestSuite = do_testsuite;
 568
 569         if (!this->OpenLog(argv, argc))
 570         {
 571                 printf("ERROR: Could not open logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno));
 572                 Exit(EXIT_STATUS_LOG);
 573         }
 574
 575         if (!ServerConfig::FileExists(this->ConfigFileName))
 576         {
 577                 printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName);
 578                 this->Logs->Log("STARTUP",DEFAULT,"Unable to open config file %s", this->ConfigFileName);
 579                 Exit(EXIT_STATUS_CONFIG);
 580         }
 581
 582         printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
 583         printf_c("(C) InspIRCd Development Team.\033[0m\n\n");
 584         printf_c("Developers:\n");
 585         printf_c("\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special\n");
 586         printf_c("\t\033[1;32mpippijn, peavey, aquanight, fez\033[0m\n\n");
 587         printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
 588
 589         Config->ClearStack();
 590
 591         this->Modes = new ModeParser(this);
 592
 593         if (!do_root)
 594                 this->CheckRoot();
 595         else
 596         {
 597                 printf("* WARNING * WARNING * WARNING * WARNING * WARNING * \n\n");
 598                 printf("YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED\n");
 599                 printf("AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED\n");
 600                 printf("OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR\n");
 601                 printf("SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN\n");
 602                 printf("TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART\n");
 603                 printf("THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!\n");
 604                 printf("\nInspIRCd starting in 20 seconds, ctrl+c to abort...\n");
 605                 sleep(20);
 606         }
 607
 608         this->SetSignals();
 609
 610         if (!Config->nofork)
 611         {
 612                 if (!this->DaemonSeed())
 613                 {
 614                         printf("ERROR: could not go into daemon mode. Shutting down.\n");
 615                         Logs->Log("STARTUP", DEFAULT, "ERROR: could not go into daemon mode. Shutting down.");
 616                         Exit(EXIT_STATUS_FORK);
 617                 }
 618         }
 619
 620         SE->RecoverFromFork();
 621
 622         /* During startup we don't actually initialize this
 623          * in the thread engine.
 624          */
 625         this->ConfigThread = new ConfigReaderThread(this, true, "");
 626         ConfigThread->Run();
 627         delete ConfigThread;
 628         this->ConfigThread = NULL;
 629
 630         this->Res = new DNS(this);
 631
 632         this->AddServerName(Config->ServerName);
 633
 634         /*
 635          * Initialise SID/UID.
 636          * For an explanation as to exactly how this works, and why it works this way, see GetUID().
 637          *   -- w00t
 638          */
 639         if (!*Config->sid)
 640         {
 641                 // Generate one
 642                 size_t sid = 0;
 643
 644                 for (const char* x = Config->ServerName; *x; ++x)
 645                         sid = 5 * sid + *x;
 646                 for (const char* y = Config->ServerDesc; *y; ++y)
 647                         sid = 5 * sid + *y;
 648                 sid = sid % 999;
 649
 650                 Config->sid[0] = (char)(sid / 100 + 48);
 651                 Config->sid[1] = (char)(((sid / 10) % 10) + 48);
 652                 Config->sid[2] = (char)(sid % 10 + 48);
 653                 Config->sid[3] = '\0';
 654         }
 655
 656         /* set up fake client again this time with the correct uid */
 657         this->FakeClient = new User(this, "#INVALID");
 658         this->FakeClient->SetFd(FD_MAGIC_NUMBER);
 659
 660         // Get XLine to do it's thing.
 661         this->XLines->CheckELines();
 662         this->XLines->ApplyLines();
 663
 664         CheckDie();
 665         int bounditems = BindPorts(true, found_ports, pl);
 666
 667         printf("\n");
 668
 669         this->Modules->LoadAll();
 670
 671         /* Just in case no modules were loaded - fix for bug #101 */
 672         this->BuildISupport();
 673         InitializeDisabledCommands(Config->DisabledCommands, this);
 674
 675         if (Config->ports.size() != (unsigned int)found_ports)
 676         {
 677                 printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n", bounditems, found_ports);
 678                 printf("The following port(s) failed to bind:\n");
 679                 printf("Hint: Try using a public IP instead of blank or *\n\n");
 680                 int j = 1;
 681                 for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 682                 {
 683                         printf("%d.\tAddress: %s\tReason: %s\n", j, i->first.empty() ? "<all>" : i->first.c_str(), i->second.c_str());
 684                 }
 685         }
 686
 687         printf("\nInspIRCd is now running as '%s'[%s] with %d max open sockets\n", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds());
 688
 689 #ifndef WINDOWS
 690         if (!Config->nofork)
 691         {
 692                 if (kill(getppid(), SIGTERM) == -1)
 693                 {
 694                         printf("Error killing parent process: %s\n",strerror(errno));
 695                         Logs->Log("STARTUP", DEFAULT, "Error killing parent process: %s",strerror(errno));
 696                 }
 697         }
 698
 699         if (isatty(0) && isatty(1) && isatty(2))
 700         {
 701                 /* We didn't start from a TTY, we must have started from a background process -
 702                  * e.g. we are restarting, or being launched by cron. Dont kill parent, and dont
 703                  * close stdin/stdout
 704                  */
 705                 if ((!do_nofork) && (!do_testsuite))
 706                 {
 707                         fclose(stdin);
 708                         fclose(stderr);
 709                         fclose(stdout);
 710                 }
 711                 else
 712                 {
 713                         Logs->Log("STARTUP", DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
 714                 }
 715         }
 716 #else
 717         WindowsIPC = new IPC(this);
 718         if(!Config->nofork)
 719         {
 720                 WindowsForkKillOwner(this);
 721                 FreeConsole();
 722         }
 723         /* Set win32 service as running, if we are running as a service */
 724         SetServiceRunning();
 725 #endif
 726
 727         Logs->Log("STARTUP", DEFAULT, "Startup complete as '%s'[%s], %d max open sockets", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds());
 728
 729         this->WritePID(Config->PID);
 730 }
 731
 732 int InspIRCd::Run()
 733 {
 734         /* See if we're supposed to be running the test suite rather than entering the mainloop */
 735         if (Config->TestSuite)
 736         {
 737                 TestSuite* ts = new TestSuite(this);
 738                 delete ts;
 739                 Exit(0);
 740         }
 741
 742         while (true)
 743         {
 744 #ifndef WIN32
 745                 static rusage ru;
 746 #else
 747                 static time_t uptime;
 748                 static struct tm * stime;
 749                 static char window_title[100];
 750 #endif
 751
 752                 /* Check if there is a config thread which has finished executing but has not yet been freed */
 753                 if (this->ConfigThread && this->ConfigThread->GetExitFlag())
 754                 {
 755                         /* Rehash has completed */
 756                         this->Logs->Log("CONFIG",DEBUG,"Detected ConfigThread exiting, tidying up...");
 757
 758                         /* IMPORTANT: This delete may hang if you fuck up your thread syncronization.
 759                          * It will hang waiting for the ConfigThread to 'join' to avoid race conditons,
 760                          * until the other thread is completed.
 761                          */
 762                         delete ConfigThread;
 763                         ConfigThread = NULL;
 764
 765                         /* These are currently not known to be threadsafe, so they are executed outside
 766                          * of the thread. It would be pretty simple to move them to the thread Run method
 767                          * once they are known threadsafe with all the correct mutexes in place.
 768                          *
 769                          * XXX: The order of these is IMPORTANT, do not reorder them without testing
 770                          * thoroughly!!!
 771                          */
 772                         this->XLines->CheckELines();
 773                         this->XLines->ApplyLines();
 774                         this->Res->Rehash();
 775                         this->ResetMaxBans();
 776                         InitializeDisabledCommands(Config->DisabledCommands, this);
 777                         User* user = !Config->RehashUserUID.empty() ? FindNick(Config->RehashUserUID) : NULL;
 778                         FOREACH_MOD_I(this, I_OnRehash, OnRehash(user, 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                         /* Allow a buffer of two seconds drift on this so that ntpdate etc dont harass admins */
 796                         if (TIME < OLDTIME - 2)
 797                         {
 798                                 SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %lu secs.", (unsigned long)OLDTIME-TIME);
 799                         }
 800                         else if (TIME > OLDTIME + 2)
 801                         {
 802                                 SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is jumping FORWARDS! Clock skipped %lu secs.", (unsigned long)TIME - OLDTIME);
 803                         }
 804
 805                         if ((TIME % 3600) == 0)
 806                         {
 807                                 this->RehashUsersAndChans();
 808                                 FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect());
 809                         }
 810
 811                         Timers->TickTimers(TIME);
 812                         this->DoBackgroundUserStuff();
 813
 814                         if ((TIME % 5) == 0)
 815                         {
 816                                 FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
 817                                 SNO->FlushSnotices();
 818                         }
 819 #ifndef WIN32
 820                         /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */
 821                         if (!getrusage(RUSAGE_SELF, &ru))
 822                         {
 823                                 gettimeofday(&this->stats->LastSampled, NULL);
 824                                 this->stats->LastCPU = ru.ru_utime;
 825                         }
 826 #else
 827                         WindowsIPC->Check();
 828 #endif
 829                 }
 830
 831                 /* Call the socket engine to wait on the active
 832                  * file descriptors. The socket engine has everything's
 833                  * descriptors in its list... dns, modules, users,
 834                  * servers... so its nice and easy, just one call.
 835                  * This will cause any read or write events to be
 836                  * dispatched to their handlers.
 837                  */
 838                 this->SE->DispatchEvents();
 839
 840                 /* if any users were quit, take them out */
 841                 this->GlobalCulls.Apply();
 842
 843                 /* If any inspsockets closed, remove them */
 844                 this->BufferedSocketCull();
 845
 846                 if (this->s_signal)
 847                 {
 848                         this->SignalHandler(s_signal);
 849                         this->s_signal = 0;
 850                 }
 851         }
 852
 853         return 0;
 854 }
 855
 856 void InspIRCd::BufferedSocketCull()
 857 {
 858         for (std::map<BufferedSocket*,BufferedSocket*>::iterator x = SocketCull.begin(); x != SocketCull.end(); ++x)
 859         {
 860                 this->Logs->Log("MISC",DEBUG,"Cull socket");
 861                 SE->DelFd(x->second);
 862                 x->second->Close();
 863                 delete x->second;
 864         }
 865         SocketCull.clear();
 866 }
 867
 868 /**********************************************************************************/
 869
 870 /**
 871  * An ircd in five lines! bwahahaha. ahahahahaha. ahahah *cough*.
 872  */
 873
 874 /* this returns true when all modules are satisfied that the user should be allowed onto the irc server
 875  * (until this returns true, a user will block in the waiting state, waiting to connect up to the
 876  * registration timeout maximum seconds)
 877  */
 878 bool InspIRCd::AllModulesReportReady(User* user)
 879 {
 880         for (EventHandlerIter i = Modules->EventHandlers[I_OnCheckReady].begin(); i != Modules->EventHandlers[I_OnCheckReady].end(); ++i)
 881         {
 882                 if (!(*i)->OnCheckReady(user))
 883                         return false;
 884         }
 885         return true;
 886 }
 887
 888 time_t InspIRCd::Time()
 889 {
 890         return TIME;
 891 }
 892
 893 void InspIRCd::SetSignal(int signal)
 894 {
 895         *mysig = signal;
 896 }
 897
 898 /* On posix systems, the flow of the program starts right here, with
 899  * ENTRYPOINT being a #define that defines main(). On Windows, ENTRYPOINT
 900  * defines smain() and the real main() is in the service code under
 901  * win32service.cpp. This allows the service control manager to control
 902  * the process where we are running as a windows service.
 903  */
 904 ENTRYPOINT
 905 {
 906         SI = new InspIRCd(argc, argv);
 907         mysig = &SI->s_signal;
 908         SI->Run();
 909         delete SI;
 910         return 0;
 911 }