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 using irc::sockets::insp_ntoa;
  52 using irc::sockets::insp_inaddr;
  53 using irc::sockets::insp_sockaddr;
  54
  55 InspIRCd* SI = NULL;
  56 int* mysig = NULL;
  57
  58
  59 /* Moved from exitcodes.h -- due to duplicate symbols -- Burlex
  60  * XXX this is a bit ugly. -- w00t
  61  */
  62 const char* ExitCodes[] =
  63 {
  64                 "No error", /* 0 */
  65                 "DIE command", /* 1 */
  66                 "execv() failed", /* 2 */
  67                 "Internal error", /* 3 */
  68                 "Config file error", /* 4 */
  69                 "Logfile error", /* 5 */
  70                 "POSIX fork failed", /* 6 */
  71                 "Bad commandline parameters", /* 7 */
  72                 "No ports could be bound", /* 8 */
  73                 "Can't write PID file", /* 9 */
  74                 "SocketEngine could not initialize", /* 10 */
  75                 "Refusing to start up as root", /* 11 */
  76                 "Found a <die> tag!", /* 12 */
  77                 "Couldn't load module on startup", /* 13 */
  78                 "Could not create windows forked process", /* 14 */
  79                 "Received SIGTERM", /* 15 */
  80                 "Bad command handler loaded", /* 16 */
  81                 "RegisterServiceCtrlHandler failed", /* 17 */
  82                 "UpdateSCMStatus failed", /* 18 */
  83                 "CreateEvent failed" /* 19 */
  84 };
  85
  86 void InspIRCd::Cleanup()
  87 {
  88         if (Config)
  89         {
  90                 for (unsigned int i = 0; i < Config->ports.size(); i++)
  91                 {
  92                         /* This calls the constructor and closes the listening socket */
  93                         delete Config->ports[i];
  94                 }
  95
  96                 Config->ports.clear();
  97         }
  98
  99         /* Close all client sockets, or the new process inherits them */
 100         for (std::vector<User*>::const_iterator i = this->Users->local_users.begin(); i != this->Users->local_users.end(); i++)
 101         {
 102                 this->Users->QuitUser((*i), "Server shutdown");
 103                 (*i)->CloseSocket();
 104         }
 105
 106         /* We do this more than once, so that any service providers get a
 107          * chance to be unhooked by the modules using them, but then get
 108          * a chance to be removed themsleves.
 109          *
 110          * XXX there may be a better way to do this with 1.2
 111          */
 112         for (int tries = 0; tries < 3; tries++)
 113         {
 114                 std::vector<std::string> module_names = Modules->GetAllModuleNames(0);
 115                 for (std::vector<std::string>::iterator k = module_names.begin(); k != module_names.end(); ++k)
 116                 {
 117                         /* Unload all modules, so they get a chance to clean up their listeners */
 118                         this->Modules->Unload(k->c_str());
 119                 }
 120         }
 121         /* Remove core commands */
 122         Parser->RemoveCommands("<core>");
 123
 124         /* Cleanup Server Names */
 125         for(servernamelist::iterator itr = servernames.begin(); itr != servernames.end(); ++itr)
 126                 delete (*itr);
 127
 128         /* Delete objects dynamically allocated in constructor
 129          * (destructor would be more appropriate, but we're likely exiting)
 130          */
 131
 132         // Must be deleted before modes as it decrements modelines
 133         if (this->Users)
 134         {
 135                 delete this->Users;
 136                 this->Users = 0;
 137         }
 138
 139         if (this->Modes)
 140         {
 141                 delete this->Modes;
 142                 this->Modes = 0;
 143         }
 144
 145         if (this->XLines)
 146         {
 147                 delete this->XLines;
 148                 this->XLines = 0;
 149         }
 150
 151         if (this->Parser)
 152         {
 153                 delete this->Parser;
 154                 this->Parser = 0;
 155
 156         if (this->stats)
 157         {
 158                 delete this->stats;
 159                 this->stats = 0;
 160         }
 161
 162         if (this->Modules)
 163         {
 164                 delete this->Modules;
 165                 this->Modules = 0;
 166         }
 167
 168         if (this->BanCache)
 169                 delete this->BanCache;
 170                 this->BanCache = 0;
 171         }
 172
 173         if (this->SNO)
 174         {
 175                 delete this->SNO;
 176                 this->SNO = 0;
 177         }
 178
 179         if (this->Config)
 180         {
 181                 delete this->Config;
 182                 this->Config = 0;
 183         }
 184
 185         if (this->Res)
 186         {
 187                 delete this->Res;
 188                 this->Res = 0;
 189         }
 190
 191         if (this->chanlist)
 192         {
 193                 delete chanlist;
 194                 chanlist = 0;
 195         }
 196
 197         if (this->PI)
 198         {
 199                 delete this->PI;
 200                 this->PI = 0;
 201         }
 202
 203         if (this->Threads)
 204         {
 205                 delete this->Threads;
 206                 this->Threads = 0;
 207         }
 208
 209         /* Needs to be deleted after Res, DNS has a timer */
 210         if (this->Timers)
 211         {
 212                 delete this->Timers;
 213                 this->Timers = 0;
 214         }
 215
 216         /* Close logging */
 217         this->Logs->CloseLogs();
 218
 219         if (this->Logs)
 220         {
 221                 delete this->Logs;
 222                 this->Logs = 0;
 223         }
 224 }
 225
 226 void InspIRCd::Restart(const std::string &reason)
 227 {
 228         /* SendError flushes each client's queue,
 229          * regardless of writeability state
 230          */
 231         this->SendError(reason);
 232
 233         /* Figure out our filename (if theyve renamed it, we're boned) */
 234         std::string me;
 235
 236 #ifdef WINDOWS
 237         char module[MAX_PATH];
 238         if (GetModuleFileName(NULL, module, MAX_PATH))
 239                 me = module;
 240 #else
 241         me = Config->MyDir + "/inspircd";
 242 #endif
 243
 244         char** argv = Config->argv;
 245
 246         this->Cleanup();
 247
 248         if (execv(me.c_str(), argv) == -1)
 249         {
 250                 /* Will raise a SIGABRT if not trapped */
 251                 throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno));
 252         }
 253 }
 254
 255 void InspIRCd::ResetMaxBans()
 256 {
 257         for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++)
 258                 i->second->ResetMaxBans();
 259 }
 260
 261 /** Because hash_map doesnt free its buckets when we delete items (this is a 'feature')
 262  * we must occasionally rehash the hash (yes really).
 263  * We do this by copying the entries from the old hash to a new hash, causing all
 264  * empty buckets to be weeded out of the hash. We dont do this on a timer, as its
 265  * very expensive, so instead we do it when the user types /REHASH and expects a
 266  * short delay anyway.
 267  */
 268 void InspIRCd::RehashUsersAndChans()
 269 {
 270         user_hash* old_users = this->Users->clientlist;
 271         user_hash* old_uuid  = this->Users->uuidlist;
 272         chan_hash* old_chans = this->chanlist;
 273
 274         this->Users->clientlist = new user_hash();
 275         this->Users->uuidlist = new user_hash();
 276         this->chanlist = new chan_hash();
 277
 278         for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++)
 279                 this->Users->clientlist->insert(*n);
 280
 281         delete old_users;
 282
 283         for (user_hash::const_iterator n = old_uuid->begin(); n != old_uuid->end(); n++)
 284                 this->Users->uuidlist->insert(*n);
 285
 286         delete old_uuid;
 287
 288         for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++)
 289                 this->chanlist->insert(*n);
 290
 291         delete old_chans;
 292 }
 293
 294 void InspIRCd::SetSignals()
 295 {
 296 #ifndef WIN32
 297         signal(SIGALRM, SIG_IGN);
 298         signal(SIGHUP, InspIRCd::SetSignal);
 299         signal(SIGPIPE, SIG_IGN);
 300         signal(SIGCHLD, SIG_IGN);
 301 #endif
 302         signal(SIGTERM, InspIRCd::SetSignal);
 303 }
 304
 305 void InspIRCd::QuickExit(int status)
 306 {
 307         exit(0);
 308 }
 309
 310 bool InspIRCd::DaemonSeed()
 311 {
 312 #ifdef WINDOWS
 313         printf_c("InspIRCd Process ID: \033[1;32m%lu\033[0m\n", GetCurrentProcessId());
 314         return true;
 315 #else
 316         signal(SIGTERM, InspIRCd::QuickExit);
 317
 318         int childpid;
 319         if ((childpid = fork ()) < 0)
 320                 return false;
 321         else if (childpid > 0)
 322         {
 323                 /* We wait here for the child process to kill us,
 324                  * so that the shell prompt doesnt come back over
 325                  * the output.
 326                  * Sending a kill with a signal of 0 just checks
 327                  * if the child pid is still around. If theyre not,
 328                  * they threw an error and we should give up.
 329                  */
 330                 while (kill(childpid, 0) != -1)
 331                         sleep(1);
 332                 exit(0);
 333         }
 334         setsid ();
 335         umask (007);
 336         printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
 337
 338         signal(SIGTERM, InspIRCd::SetSignal);
 339
 340         rlimit rl;
 341         if (getrlimit(RLIMIT_CORE, &rl) == -1)
 342         {
 343                 this->Logs->Log("STARTUP",DEFAULT,"Failed to getrlimit()!");
 344                 return false;
 345         }
 346         else
 347         {
 348                 rl.rlim_cur = rl.rlim_max;
 349                 if (setrlimit(RLIMIT_CORE, &rl) == -1)
 350                         this->Logs->Log("STARTUP",DEFAULT,"setrlimit() failed, cannot increase coredump size.");
 351         }
 352
 353         return true;
 354 #endif
 355 }
 356
 357 void InspIRCd::WritePID(const std::string &filename)
 358 {
 359         std::string fname = (filename.empty() ? "inspircd.pid" : filename);
 360         std::replace(fname.begin(), fname.end(), '\\', '/');
 361         if ((fname[0] != '/') && (!Config->StartsWithWindowsDriveLetter(filename)))
 362         {
 363                 std::string::size_type pos;
 364                 std::string confpath = this->ConfigFileName;
 365                 if ((pos = confpath.rfind("/")) != std::string::npos)
 366                 {
 367                         /* Leaves us with just the path */
 368                         fname = confpath.substr(0, pos) + std::string("/") + fname;
 369                 }
 370         }
 371         std::ofstream outfile(fname.c_str());
 372         if (outfile.is_open())
 373         {
 374                 outfile << getpid();
 375                 outfile.close();
 376         }
 377         else
 378         {
 379                 printf("Failed to write PID-file '%s', exiting.\n",fname.c_str());
 380                 this->Logs->Log("STARTUP",DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str());
 381                 Exit(EXIT_STATUS_PID);
 382         }
 383 }
 384
 385 InspIRCd::InspIRCd(int argc, char** argv)
 386         : GlobalCulls(this),
 387
 388          /* Functor initialisation. Note that the ordering here is very important.
 389           *
 390           * THIS MUST MATCH ORDER OF DECLARATION OF THE HandleWhateverFunc classes
 391           * within class InspIRCd.
 392           */
 393          HandleProcessUser(this),
 394          HandleIsNick(this),
 395          HandleIsIdent(this),
 396          HandleFindDescriptor(this),
 397          HandleFloodQuitUser(this),
 398          HandleIsChannel(this),
 399          HandleIsSID(this),
 400          HandleRehash(this),
 401
 402          /* Functor pointer initialisation. Must match the order of the list above
 403           *
 404           * THIS MUST MATCH THE ORDER OF DECLARATION OF THE FUNCTORS, e.g. the methods
 405           * themselves within the class.
 406           */
 407          ProcessUser(&HandleProcessUser),
 408          IsChannel(&HandleIsChannel),
 409          IsSID(&HandleIsSID),
 410          Rehash(&HandleRehash),
 411          IsNick(&HandleIsNick),
 412          IsIdent(&HandleIsIdent),
 413          FindDescriptor(&HandleFindDescriptor),
 414          FloodQuitUser(&HandleFloodQuitUser)
 415
 416 {
 417 #ifdef WIN32
 418         // Strict, frequent checking of memory on debug builds
 419         _CrtSetDbgFlag ( _CRTDBG_CHECK_ALWAYS_DF | _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
 420
 421         // Avoid erroneous frees on early exit
 422         WindowsIPC = 0;
 423 #endif
 424         int found_ports = 0;
 425         FailedPortList pl;
 426         int do_version = 0, do_nofork = 0, do_debug = 0,
 427             do_nolog = 0, do_root = 0, do_testsuite = 0;    /* flag variables */
 428         char c = 0;
 429
 430         // Initialize so that if we exit before proper initialization they're not deleted
 431         this->Logs = 0;
 432         this->Threads = 0;
 433         this->PI = 0;
 434         this->Users = 0;
 435         this->chanlist = 0;
 436         this->Config = 0;
 437         this->SNO = 0;
 438         this->BanCache = 0;
 439         this->Modules = 0;
 440         this->stats = 0;
 441         this->Timers = 0;
 442         this->Parser = 0;
 443         this->XLines = 0;
 444         this->Modes = 0;
 445         this->Res = 0;
 446
 447
 448         memset(&server, 0, sizeof(server));
 449         memset(&client, 0, sizeof(client));
 450
 451         // This must be created first, so other parts of Insp can use it while starting up
 452         this->Logs = new LogManager(this);
 453
 454         SocketEngineFactory* SEF = new SocketEngineFactory();
 455         SE = SEF->Create(this);
 456         delete SEF;
 457
 458         ThreadEngineFactory* tef = new ThreadEngineFactory();
 459         this->Threads = tef->Create(this);
 460         delete tef;
 461         this->Mutexes = new MutexFactory(this);
 462
 463         /* Default implementation does nothing */
 464         this->PI = new ProtocolInterface(this);
 465
 466         this->s_signal = 0;
 467
 468         // Create base manager classes early, so nothing breaks
 469         this->Users = new UserManager(this);
 470
 471         this->Users->unregistered_count = 0;
 472
 473         this->Users->clientlist = new user_hash();
 474         this->Users->uuidlist = new user_hash();
 475         this->chanlist = new chan_hash();
 476
 477         this->Config = new ServerConfig(this);
 478         this->SNO = new SnomaskManager(this);
 479         this->BanCache = new BanCacheManager(this);
 480         this->Modules = new ModuleManager(this);
 481         this->stats = new serverstats();
 482         this->Timers = new TimerManager(this);
 483         this->Parser = new CommandParser(this);
 484         this->XLines = new XLineManager(this);
 485
 486         this->Config->argv = argv;
 487         this->Config->argc = argc;
 488
 489         if (chdir(Config->GetFullProgDir().c_str()))
 490         {
 491                 printf("Unable to change to my directory: %s\nAborted.", strerror(errno));
 492                 exit(0);
 493         }
 494
 495         this->Config->opertypes.clear();
 496         this->Config->operclass.clear();
 497
 498         this->TIME = this->OLDTIME = this->startup_time = time(NULL);
 499         srand(this->TIME);
 500
 501         *this->LogFileName = 0;
 502         strlcpy(this->ConfigFileName, CONFIG_FILE, MAXBUF);
 503
 504         struct option longopts[] =
 505         {
 506                 { "nofork",     no_argument,            &do_nofork,     1       },
 507                 { "logfile",    required_argument,      NULL,           'f'     },
 508                 { "config",     required_argument,      NULL,           'c'     },
 509                 { "debug",      no_argument,            &do_debug,      1       },
 510                 { "nolog",      no_argument,            &do_nolog,      1       },
 511                 { "runasroot",  no_argument,            &do_root,       1       },
 512                 { "version",    no_argument,            &do_version,    1       },
 513                 { "testsuite",  no_argument,            &do_testsuite,  1       },
 514                 { 0, 0, 0, 0 }
 515         };
 516
 517         while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1)
 518         {
 519                 switch (c)
 520                 {
 521                         case 'f':
 522                                 /* Log filename was set */
 523                                 strlcpy(LogFileName, optarg, MAXBUF);
 524                         break;
 525                         case 'c':
 526                                 /* Config filename was set */
 527                                 strlcpy(ConfigFileName, optarg, MAXBUF);
 528                         break;
 529                         case 0:
 530                                 /* getopt_long_only() set an int variable, just keep going */
 531                         break;
 532                         default:
 533                                 /* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */
 534                                 printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile <filename>]\n\
 535                                                   [--runasroot] [--version] [--config <config>] [--testsuite]\n", argv[0]);
 536                                 Exit(EXIT_STATUS_ARGV);
 537                         break;
 538                 }
 539         }
 540
 541         if (do_testsuite)
 542                 do_nofork = do_debug = true;
 543
 544         if (do_version)
 545         {
 546                 printf("\n%s r%s\n", VERSION, REVISION);
 547                 Exit(EXIT_STATUS_NOERROR);
 548         }
 549
 550 #ifdef WIN32
 551
 552         // Handle forking
 553         if(!do_nofork)
 554         {
 555                 DWORD ExitCode = WindowsForkStart(this);
 556                 if(ExitCode)
 557                         exit(ExitCode);
 558         }
 559
 560         // Set up winsock
 561         WSADATA wsadata;
 562         WSAStartup(MAKEWORD(2,0), &wsadata);
 563         ChangeWindowsSpecificPointers(this);
 564 #endif
 565         strlcpy(Config->MyExecutable,argv[0],MAXBUF);
 566
 567         /* Set the finished argument values */
 568         Config->nofork = do_nofork;
 569         Config->forcedebug = do_debug;
 570         Config->writelog = !do_nolog;
 571         Config->TestSuite = do_testsuite;
 572
 573         if (!this->OpenLog(argv, argc))
 574         {
 575                 printf("ERROR: Could not open logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno));
 576                 Exit(EXIT_STATUS_LOG);
 577         }
 578
 579         if (!ServerConfig::FileExists(this->ConfigFileName))
 580         {
 581                 printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName);
 582                 this->Logs->Log("STARTUP",DEFAULT,"Unable to open config file %s", this->ConfigFileName);
 583                 Exit(EXIT_STATUS_CONFIG);
 584         }
 585
 586         printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
 587         printf_c("(C) InspIRCd Development Team.\033[0m\n\n");
 588         printf_c("Developers:\n");
 589         printf_c("\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special\n");
 590         printf_c("\t\033[1;32mpippijn, peavey, aquanight, fez\033[0m\n\n");
 591         printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
 592
 593         Config->ClearStack();
 594
 595         this->Modes = new ModeParser(this);
 596
 597         if (!do_root)
 598                 this->CheckRoot();
 599         else
 600         {
 601                 printf("* WARNING * WARNING * WARNING * WARNING * WARNING * \n\n");
 602                 printf("YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED\n");
 603                 printf("AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED\n");
 604                 printf("OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR\n");
 605                 printf("SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN\n");
 606                 printf("TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART\n");
 607                 printf("THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!\n");
 608                 printf("\nInspIRCd starting in 20 seconds, ctrl+c to abort...\n");
 609                 sleep(20);
 610         }
 611
 612         this->SetSignals();
 613
 614         if (!Config->nofork)
 615         {
 616                 if (!this->DaemonSeed())
 617                 {
 618                         printf("ERROR: could not go into daemon mode. Shutting down.\n");
 619                         Logs->Log("STARTUP", DEFAULT, "ERROR: could not go into daemon mode. Shutting down.");
 620                         Exit(EXIT_STATUS_FORK);
 621                 }
 622         }
 623
 624         SE->RecoverFromFork();
 625
 626         /* During startup we don't actually initialize this
 627          * in the thread engine.
 628          */
 629         this->ConfigThread = new ConfigReaderThread(this, true, NULL);
 630         ConfigThread->Run();
 631         delete ConfigThread;
 632         this->ConfigThread = NULL;
 633
 634         this->Res = new DNS(this);
 635
 636         this->AddServerName(Config->ServerName);
 637
 638         /*
 639          * Initialise SID/UID.
 640          * For an explanation as to exactly how this works, and why it works this way, see GetUID().
 641          *   -- w00t
 642          */
 643         if (!*Config->sid)
 644         {
 645                 // Generate one
 646                 size_t sid = 0;
 647
 648                 for (const char* x = Config->ServerName; *x; ++x)
 649                         sid = 5 * sid + *x;
 650                 for (const char* y = Config->ServerDesc; *y; ++y)
 651                         sid = 5 * sid + *y;
 652                 sid = sid % 999;
 653
 654                 Config->sid[0] = (char)(sid / 100 + 48);
 655                 Config->sid[1] = (char)(((sid / 10) % 10) + 48);
 656                 Config->sid[2] = (char)(sid % 10 + 48);
 657                 Config->sid[3] = '\0';
 658         }
 659
 660         /* set up fake client again this time with the correct uid */
 661         this->FakeClient = new User(this, "#INVALID");
 662         this->FakeClient->SetFd(FD_MAGIC_NUMBER);
 663
 664         // Get XLine to do it's thing.
 665         this->XLines->CheckELines();
 666         this->XLines->ApplyLines();
 667
 668         CheckDie();
 669         int bounditems = BindPorts(true, found_ports, pl);
 670
 671         printf("\n");
 672
 673         this->Modules->LoadAll();
 674
 675         /* Just in case no modules were loaded - fix for bug #101 */
 676         this->BuildISupport();
 677         InitializeDisabledCommands(Config->DisabledCommands, this);
 678
 679         if (Config->ports.size() != (unsigned int)found_ports)
 680         {
 681                 printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n", bounditems, found_ports);
 682                 printf("The following port(s) failed to bind:\n");
 683                 printf("Hint: Try using a public IP instead of blank or *\n\n");
 684                 int j = 1;
 685                 for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 686                 {
 687                         printf("%d.\tAddress: %s\tReason: %s\n", j, i->first.empty() ? "<all>" : i->first.c_str(), i->second.c_str());
 688                 }
 689         }
 690
 691         printf("\nInspIRCd is now running as '%s'[%s] with %d max open sockets\n", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds());
 692
 693 #ifndef WINDOWS
 694         if (!Config->nofork)
 695         {
 696                 if (kill(getppid(), SIGTERM) == -1)
 697                 {
 698                         printf("Error killing parent process: %s\n",strerror(errno));
 699                         Logs->Log("STARTUP", DEFAULT, "Error killing parent process: %s",strerror(errno));
 700                 }
 701         }
 702
 703         if (isatty(0) && isatty(1) && isatty(2))
 704         {
 705                 /* We didn't start from a TTY, we must have started from a background process -
 706                  * e.g. we are restarting, or being launched by cron. Dont kill parent, and dont
 707                  * close stdin/stdout
 708                  */
 709                 if ((!do_nofork) && (!do_testsuite))
 710                 {
 711                         fclose(stdin);
 712                         fclose(stderr);
 713                         fclose(stdout);
 714                 }
 715                 else
 716                 {
 717                         Logs->Log("STARTUP", DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
 718                 }
 719         }
 720 #else
 721         WindowsIPC = new IPC(this);
 722         if(!Config->nofork)
 723         {
 724                 WindowsForkKillOwner(this);
 725                 FreeConsole();
 726         }
 727         /* Set win32 service as running, if we are running as a service */
 728         SetServiceRunning();
 729 #endif
 730
 731         Logs->Log("STARTUP", DEFAULT, "Startup complete as '%s'[%s], %d max open sockets", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds());
 732
 733         this->WritePID(Config->PID);
 734 }
 735
 736 int InspIRCd::Run()
 737 {
 738         /* See if we're supposed to be running the test suite rather than entering the mainloop */
 739         if (Config->TestSuite)
 740         {
 741                 TestSuite* ts = new TestSuite(this);
 742                 delete ts;
 743                 Exit(0);
 744         }
 745
 746         while (true)
 747         {
 748 #ifndef WIN32
 749                 static rusage ru;
 750 #else
 751                 static time_t uptime;
 752                 static struct tm * stime;
 753                 static char window_title[100];
 754 #endif
 755
 756                 /* Check if there is a config thread which has finished executing but has not yet been freed */
 757                 if (this->ConfigThread && this->ConfigThread->GetExitFlag())
 758                 {
 759                         /* Rehash has completed */
 760                         this->Logs->Log("CONFIG",DEBUG,"Detected ConfigThread exiting, tidying up...");
 761
 762                         /* IMPORTANT: This delete may hang if you fuck up your thread syncronization.
 763                          * It will hang waiting for the ConfigThread to 'join' to avoid race conditons,
 764                          * until the other thread is completed.
 765                          */
 766                         delete ConfigThread;
 767                         ConfigThread = NULL;
 768
 769                         /* These are currently not known to be threadsafe, so they are executed outside
 770                          * of the thread. It would be pretty simple to move them to the thread Run method
 771                          * once they are known threadsafe with all the correct mutexes in place.
 772                          *
 773                          * XXX: The order of these is IMPORTANT, do not reorder them without testing
 774                          * thoroughly!!!
 775                          */
 776                         this->XLines->CheckELines();
 777                         this->XLines->ApplyLines();
 778                         this->Res->Rehash();
 779                         this->ResetMaxBans();
 780                         InitializeDisabledCommands(Config->DisabledCommands, this);
 781                         FOREACH_MOD_I(this, I_OnRehash, OnRehash(Config->RehashUser, Config->RehashParameter));
 782                         this->BuildISupport();
 783                 }
 784
 785                 /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
 786                  * Once per loop iteration is pleanty.
 787                  */
 788                 OLDTIME = TIME;
 789                 TIME = time(NULL);
 790
 791                 /* Run background module timers every few seconds
 792                  * (the docs say modules shouldnt rely on accurate
 793                  * timing using this event, so we dont have to
 794                  * time this exactly).
 795                  */
 796                 if (TIME != OLDTIME)
 797                 {
 798                         /* Allow a buffer of two seconds drift on this so that ntpdate etc dont harass admins */
 799                         if (TIME < OLDTIME - 2)
 800                         {
 801                                 SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %lu secs.", (unsigned long)OLDTIME-TIME);
 802                         }
 803                         else if (TIME > OLDTIME + 2)
 804                         {
 805                                 SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is jumping FORWARDS! Clock skipped %lu secs.", (unsigned long)TIME - OLDTIME);
 806                         }
 807
 808                         if ((TIME % 3600) == 0)
 809                         {
 810                                 this->RehashUsersAndChans();
 811                                 FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect());
 812                         }
 813
 814                         Timers->TickTimers(TIME);
 815                         this->DoBackgroundUserStuff();
 816
 817                         if ((TIME % 5) == 0)
 818                         {
 819                                 FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
 820                                 SNO->FlushSnotices();
 821                         }
 822 #ifndef WIN32
 823                         /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */
 824                         if (!getrusage(RUSAGE_SELF, &ru))
 825                         {
 826                                 gettimeofday(&this->stats->LastSampled, NULL);
 827                                 this->stats->LastCPU = ru.ru_utime;
 828                         }
 829 #else
 830                         WindowsIPC->Check();
 831 #endif
 832                 }
 833
 834                 /* Call the socket engine to wait on the active
 835                  * file descriptors. The socket engine has everything's
 836                  * descriptors in its list... dns, modules, users,
 837                  * servers... so its nice and easy, just one call.
 838                  * This will cause any read or write events to be
 839                  * dispatched to their handlers.
 840                  */
 841                 this->SE->DispatchEvents();
 842
 843                 /* if any users were quit, take them out */
 844                 this->GlobalCulls.Apply();
 845
 846                 /* If any inspsockets closed, remove them */
 847                 this->BufferedSocketCull();
 848
 849                 if (this->s_signal)
 850                 {
 851                         this->SignalHandler(s_signal);
 852                         this->s_signal = 0;
 853                 }
 854         }
 855
 856         return 0;
 857 }
 858
 859 void InspIRCd::BufferedSocketCull()
 860 {
 861         for (std::map<BufferedSocket*,BufferedSocket*>::iterator x = SocketCull.begin(); x != SocketCull.end(); ++x)
 862         {
 863                 this->Logs->Log("MISC",DEBUG,"Cull socket");
 864                 SE->DelFd(x->second);
 865                 x->second->Close();
 866                 delete x->second;
 867         }
 868         SocketCull.clear();
 869 }
 870
 871 /**********************************************************************************/
 872
 873 /**
 874  * An ircd in five lines! bwahahaha. ahahahahaha. ahahah *cough*.
 875  */
 876
 877 /* this returns true when all modules are satisfied that the user should be allowed onto the irc server
 878  * (until this returns true, a user will block in the waiting state, waiting to connect up to the
 879  * registration timeout maximum seconds)
 880  */
 881 bool InspIRCd::AllModulesReportReady(User* user)
 882 {
 883         for (EventHandlerIter i = Modules->EventHandlers[I_OnCheckReady].begin(); i != Modules->EventHandlers[I_OnCheckReady].end(); ++i)
 884         {
 885                 if (!(*i)->OnCheckReady(user))
 886                         return false;
 887         }
 888         return true;
 889 }
 890
 891 time_t InspIRCd::Time()
 892 {
 893         return TIME;
 894 }
 895
 896 void InspIRCd::SetSignal(int signal)
 897 {
 898         *mysig = signal;
 899 }
 900
 901 /* On posix systems, the flow of the program starts right here, with
 902  * ENTRYPOINT being a #define that defines main(). On Windows, ENTRYPOINT
 903  * defines smain() and the real main() is in the service code under
 904  * win32service.cpp. This allows the service control manager to control
 905  * the process where we are running as a windows service.
 906  */
 907 ENTRYPOINT
 908 {
 909         SI = new InspIRCd(argc, argv);
 910         mysig = &SI->s_signal;
 911         SI->Run();
 912         delete SI;
 913         return 0;
 914 }