src/inspircd.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *          the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 /* $Install: src/inspircd $(BINPATH) */
  15
  16 #include "inspircd.h"
  17 #include <signal.h>
  18
  19 #ifndef WIN32
  20         #include <dirent.h>
  21         #include <unistd.h>
  22         #include <sys/resource.h>
  23         #include <dlfcn.h>
  24         #include <getopt.h>
  25
  26         /* Some systems don't define RUSAGE_SELF. This should fix them. */
  27         #ifndef RUSAGE_SELF
  28                 #define RUSAGE_SELF 0
  29         #endif
  30 #endif
  31
  32 #include <fstream>
  33 #include "xline.h"
  34 #include "socketengine.h"
  35 #include "inspircd_se_config.h"
  36 #include "socket.h"
  37 #include "command_parse.h"
  38 #include "exitcodes.h"
  39 #include "caller.h"
  40
  41 using irc::sockets::insp_ntoa;
  42 using irc::sockets::insp_inaddr;
  43 using irc::sockets::insp_sockaddr;
  44
  45 InspIRCd* SI = NULL;
  46 int* mysig = NULL;
  47
  48
  49 /* Burlex: Moved from exitcodes.h -- due to duplicate symbols */
  50 const char* ExitCodes[] =
  51 {
  52                 "No error", /* 0 */
  53                 "DIE command", /* 1 */
  54                 "execv() failed", /* 2 */
  55                 "Internal error", /* 3 */
  56                 "Config file error", /* 4 */
  57                 "Logfile error", /* 5 */
  58                 "POSIX fork failed", /* 6 */
  59                 "Bad commandline parameters", /* 7 */
  60                 "No ports could be bound", /* 8 */
  61                 "Can't write PID file", /* 9 */
  62                 "SocketEngine could not initialize", /* 10 */
  63                 "Refusing to start up as root", /* 11 */
  64                 "Found a <die> tag!", /* 12 */
  65                 "Couldn't load module on startup", /* 13 */
  66                 "Could not create windows forked process", /* 14 */
  67                 "Received SIGTERM", /* 15 */
  68 };
  69
  70 void InspIRCd::Cleanup()
  71 {
  72         std::vector<std::string> mymodnames;
  73         int MyModCount = this->Modules->GetCount();
  74
  75         if (Config)
  76         {
  77                 for (unsigned int i = 0; i < Config->ports.size(); i++)
  78                 {
  79                         /* This calls the constructor and closes the listening socket */
  80                         delete Config->ports[i];
  81                 }
  82
  83                 Config->ports.clear();
  84         }
  85
  86         /* Close all client sockets, or the new process inherits them */
  87         for (std::vector<User*>::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++)
  88         {
  89                 (*i)->SetWriteError("Server shutdown");
  90                 (*i)->CloseSocket();
  91         }
  92
  93         /* We do this more than once, so that any service providers get a
  94          * chance to be unhooked by the modules using them, but then get
  95          * a chance to be removed themsleves.
  96          */
  97         for (int tries = 0; tries < 3; tries++)
  98         {
  99                 MyModCount = this->Modules->GetCount();
 100                 mymodnames.clear();
 101
 102                 if (MyModCount)
 103                 {
 104                         /* Unload all modules, so they get a chance to clean up their listeners */
 105                         for (int j = 0; j <= MyModCount; j++)
 106                                 mymodnames.push_back(Config->module_names[j]);
 107
 108                         for (int k = 0; k <= MyModCount; k++)
 109                                 this->Modules->Unload(mymodnames[k].c_str());
 110                 }
 111
 112         }
 113
 114         /* Close logging */
 115         if (this->Logger)
 116                 this->Logger->Close();
 117
 118
 119         /* Cleanup Server Names */
 120         for(servernamelist::iterator itr = servernames.begin(); itr != servernames.end(); ++itr)
 121                 delete (*itr);
 122
 123
 124 }
 125
 126 void InspIRCd::Restart(const std::string &reason)
 127 {
 128         /* SendError flushes each client's queue,
 129          * regardless of writeability state
 130          */
 131         this->SendError(reason);
 132
 133         this->Cleanup();
 134
 135         /* Figure out our filename (if theyve renamed it, we're boned) */
 136         std::string me;
 137
 138 #ifdef WINDOWS
 139         char module[MAX_PATH];
 140         if (GetModuleFileName(NULL, module, MAX_PATH))
 141                 me = module;
 142 #else
 143         me = Config->MyDir + "/inspircd";
 144 #endif
 145
 146         if (execv(me.c_str(), Config->argv) == -1)
 147         {
 148                 /* Will raise a SIGABRT if not trapped */
 149                 throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno));
 150         }
 151 }
 152
 153 void InspIRCd::ResetMaxBans()
 154 {
 155         for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++)
 156                 i->second->ResetMaxBans();
 157 }
 158
 159 /** Because hash_map doesnt free its buckets when we delete items (this is a 'feature')
 160  * we must occasionally rehash the hash (yes really).
 161  * We do this by copying the entries from the old hash to a new hash, causing all
 162  * empty buckets to be weeded out of the hash. We dont do this on a timer, as its
 163  * very expensive, so instead we do it when the user types /REHASH and expects a
 164  * short delay anyway.
 165  */
 166 void InspIRCd::RehashUsersAndChans()
 167 {
 168         user_hash* old_users = this->clientlist;
 169         user_hash* old_uuid  = this->uuidlist;
 170         chan_hash* old_chans = this->chanlist;
 171
 172         this->clientlist = new user_hash();
 173         this->uuidlist = new user_hash();
 174         this->chanlist = new chan_hash();
 175
 176         for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++)
 177                 this->clientlist->insert(*n);
 178
 179         delete old_users;
 180
 181         for (user_hash::const_iterator n = old_uuid->begin(); n != old_uuid->end(); n++)
 182                 this->uuidlist->insert(*n);
 183
 184         delete old_uuid;
 185
 186         for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++)
 187                 this->chanlist->insert(*n);
 188
 189         delete old_chans;
 190 }
 191
 192 void InspIRCd::CloseLog()
 193 {
 194         if (this->Logger)
 195                 this->Logger->Close();
 196 }
 197
 198 void InspIRCd::SetSignals()
 199 {
 200 #ifndef WIN32
 201         signal(SIGALRM, SIG_IGN);
 202         signal(SIGHUP, InspIRCd::SetSignal);
 203         signal(SIGPIPE, SIG_IGN);
 204         signal(SIGCHLD, SIG_IGN);
 205 #endif
 206         signal(SIGTERM, InspIRCd::SetSignal);
 207 }
 208
 209 void InspIRCd::QuickExit(int status)
 210 {
 211         exit(0);
 212 }
 213
 214 bool InspIRCd::DaemonSeed()
 215 {
 216 #ifdef WINDOWS
 217         printf_c("InspIRCd Process ID: \033[1;32m%lu\033[0m\n", GetCurrentProcessId());
 218         return true;
 219 #else
 220         signal(SIGTERM, InspIRCd::QuickExit);
 221
 222         int childpid;
 223         if ((childpid = fork ()) < 0)
 224                 return false;
 225         else if (childpid > 0)
 226         {
 227                 /* We wait here for the child process to kill us,
 228                  * so that the shell prompt doesnt come back over
 229                  * the output.
 230                  * Sending a kill with a signal of 0 just checks
 231                  * if the child pid is still around. If theyre not,
 232                  * they threw an error and we should give up.
 233                  */
 234                 while (kill(childpid, 0) != -1)
 235                         sleep(1);
 236                 exit(0);
 237         }
 238         setsid ();
 239         umask (007);
 240         printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
 241
 242         signal(SIGTERM, InspIRCd::SetSignal);
 243
 244         rlimit rl;
 245         if (getrlimit(RLIMIT_CORE, &rl) == -1)
 246         {
 247                 this->Log(DEFAULT,"Failed to getrlimit()!");
 248                 return false;
 249         }
 250         else
 251         {
 252                 rl.rlim_cur = rl.rlim_max;
 253                 if (setrlimit(RLIMIT_CORE, &rl) == -1)
 254                         this->Log(DEFAULT,"setrlimit() failed, cannot increase coredump size.");
 255         }
 256
 257         return true;
 258 #endif
 259 }
 260
 261 void InspIRCd::WritePID(const std::string &filename)
 262 {
 263         std::string fname = (filename.empty() ? "inspircd.pid" : filename);
 264         if (*(fname.begin()) != '/')
 265         {
 266                 std::string::size_type pos;
 267                 std::string confpath = this->ConfigFileName;
 268                 if ((pos = confpath.rfind("/")) != std::string::npos)
 269                 {
 270                         /* Leaves us with just the path */
 271                         fname = confpath.substr(0, pos) + std::string("/") + fname;
 272                 }
 273         }
 274         std::ofstream outfile(fname.c_str());
 275         if (outfile.is_open())
 276         {
 277                 outfile << getpid();
 278                 outfile.close();
 279         }
 280         else
 281         {
 282                 printf("Failed to write PID-file '%s', exiting.\n",fname.c_str());
 283                 this->Log(DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str());
 284                 Exit(EXIT_STATUS_PID);
 285         }
 286 }
 287
 288 InspIRCd::InspIRCd(int argc, char** argv)
 289         : GlobalCulls(this),
 290
 291          /* Functor initialisation. Note that the ordering here is very important. */
 292          HandleProcessUser(this),
 293          HandleIsNick(this),
 294          HandleIsIdent(this),
 295          HandleFindDescriptor(this),
 296          HandleFloodQuitUser(this),
 297
 298          /* Functor pointer initialisation. Must match the order of the list above */
 299          ProcessUser(&HandleProcessUser),
 300          IsNick(&HandleIsNick),
 301          IsIdent(&HandleIsIdent),
 302          FindDescriptor(&HandleFindDescriptor),
 303          FloodQuitUser(&HandleFloodQuitUser)
 304
 305 {
 306
 307         int found_ports = 0;
 308         FailedPortList pl;
 309         int do_version = 0, do_nofork = 0, do_debug = 0, do_nolog = 0, do_root = 0;    /* flag variables */
 310         char c = 0;
 311
 312         memset(&server, 0, sizeof(server));
 313         memset(&client, 0, sizeof(client));
 314
 315         SocketEngineFactory* SEF = new SocketEngineFactory();
 316         SE = SEF->Create(this);
 317         delete SEF;
 318
 319         this->s_signal = 0;
 320
 321         this->unregistered_count = 0;
 322
 323         this->clientlist = new user_hash();
 324         this->uuidlist = new user_hash();
 325         this->chanlist = new chan_hash();
 326
 327         this->Config = new ServerConfig(this);
 328
 329         this->Config->argv = argv;
 330         this->Config->argc = argc;
 331
 332         if (chdir(Config->GetFullProgDir().c_str()))
 333         {
 334                 printf("Unable to change to my directory: %s\nAborted.", strerror(errno));
 335                 exit(0);
 336         }
 337
 338         this->Config->opertypes.clear();
 339         this->Config->operclass.clear();
 340         this->SNO = new SnomaskManager(this);
 341         this->TIME = this->OLDTIME = this->startup_time = time(NULL);
 342         this->time_delta = 0;
 343         srand(this->TIME);
 344
 345         *this->LogFileName = 0;
 346         strlcpy(this->ConfigFileName, CONFIG_FILE, MAXBUF);
 347
 348         struct option longopts[] =
 349         {
 350                 { "nofork",     no_argument,            &do_nofork,     1       },
 351                 { "logfile",    required_argument,      NULL,           'f'     },
 352                 { "config",     required_argument,      NULL,           'c'     },
 353                 { "debug",      no_argument,            &do_debug,      1       },
 354                 { "nolog",      no_argument,            &do_nolog,      1       },
 355                 { "runasroot",  no_argument,            &do_root,       1       },
 356                 { "version",    no_argument,            &do_version,    1       },
 357                 { 0, 0, 0, 0 }
 358         };
 359
 360         while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1)
 361         {
 362                 switch (c)
 363                 {
 364                         case 'f':
 365                                 /* Log filename was set */
 366                                 strlcpy(LogFileName, optarg, MAXBUF);
 367                         break;
 368                         case 'c':
 369                                 /* Config filename was set */
 370                                 strlcpy(ConfigFileName, optarg, MAXBUF);
 371                         break;
 372                         case 0:
 373                                 /* getopt_long_only() set an int variable, just keep going */
 374                         break;
 375                         default:
 376                                 /* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */
 377                                 printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile <filename>] [--runasroot] [--version] [--config <config>]\n", argv[0]);
 378                                 Exit(EXIT_STATUS_ARGV);
 379                         break;
 380                 }
 381         }
 382
 383         if (do_version)
 384         {
 385                 printf("\n%s r%s\n", VERSION, REVISION);
 386                 Exit(EXIT_STATUS_NOERROR);
 387         }
 388
 389 #ifdef WIN32
 390
 391         // Handle forking
 392         if(!do_nofork)
 393         {
 394                 DWORD ExitCode = WindowsForkStart(this);
 395                 if(ExitCode)
 396                         exit(ExitCode);
 397         }
 398
 399         // Set up winsock
 400         WSADATA wsadata;
 401         WSAStartup(MAKEWORD(2,0), &wsadata);
 402
 403         ChangeWindowsSpecificPointers(this);
 404 #endif
 405         strlcpy(Config->MyExecutable,argv[0],MAXBUF);
 406
 407         if (!this->OpenLog(argv, argc))
 408         {
 409                 printf("ERROR: Could not open logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno));
 410                 Exit(EXIT_STATUS_LOG);
 411         }
 412
 413         if (!ServerConfig::FileExists(this->ConfigFileName))
 414         {
 415                 printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName);
 416                 this->Log(DEFAULT,"Unable to open config file %s", this->ConfigFileName);
 417                 Exit(EXIT_STATUS_CONFIG);
 418         }
 419
 420         printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
 421         printf_c("(C) InspIRCd Development Team.\033[0m\n\n");
 422         printf_c("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, peavey, Burlex\033[0m\n");
 423         printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
 424
 425         /* Set the finished argument values */
 426         Config->nofork = do_nofork;
 427         Config->forcedebug = do_debug;
 428         Config->writelog = !do_nolog;
 429
 430         this->Modules = new ModuleManager(this);
 431         this->stats = new serverstats();
 432         this->Timers = new TimerManager(this);
 433         this->Parser = new CommandParser(this);
 434         this->XLines = new XLineManager(this);
 435
 436         Config->ClearStack();
 437         Config->Read(true, NULL);
 438
 439         // Get XLine to do it's thing.
 440         this->XLines->CheckELines(this->XLines->lookup_lines['E']);
 441         this->XLines->ApplyLines();
 442
 443         this->Modules->modules.resize(255);
 444         this->Modules->handles.resize(255);
 445
 446         /*
 447          * Initialise SID/UID.
 448          * For an explanation as to exactly how this works, and why it works this way, see GetUID().
 449          *   -- w00t
 450          */
 451         /* Generate SID */
 452         size_t sid = 0;
 453         if (Config->sid)
 454         {
 455                 sid = Config->sid;
 456         }
 457         else
 458         {
 459                 for (const char* x = Config->ServerName; *x; ++x)
 460                         sid = 5 * sid + *x;
 461                 for (const char* y = Config->ServerDesc; *y; ++y)
 462                         sid = 5 * sid + *y;
 463                 sid = sid % 999;
 464
 465                 Config->sid = sid;
 466         }
 467
 468         this->InitialiseUID();
 469
 470         /* set up fake client */
 471         this->FakeClient = new User(this);
 472         this->FakeClient->SetFd(FD_MAGIC_NUMBER);
 473
 474         if (!do_root)
 475                 this->CheckRoot();
 476         else
 477         {
 478                 printf("* WARNING * WARNING * WARNING * WARNING * WARNING * \n\n");
 479                 printf("YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED\n");
 480                 printf("AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED\n");
 481                 printf("OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR\n");
 482                 printf("SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN\n");
 483                 printf("TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART\n");
 484                 printf("THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!\n");
 485                 printf("\nInspIRCd starting in 20 seconds, ctrl+c to abort...\n");
 486                 sleep(20);
 487         }
 488
 489         this->SetSignals();
 490
 491         if (!Config->nofork)
 492         {
 493                 if (!this->DaemonSeed())
 494                 {
 495                         printf("ERROR: could not go into daemon mode. Shutting down.\n");
 496                         Log(DEFAULT,"ERROR: could not go into daemon mode. Shutting down.");
 497                         Exit(EXIT_STATUS_FORK);
 498                 }
 499         }
 500
 501         SE->RecoverFromFork();
 502
 503         this->Modes = new ModeParser(this);
 504         this->AddServerName(Config->ServerName);
 505         CheckDie();
 506         int bounditems = BindPorts(true, found_ports, pl);
 507
 508         for(int t = 0; t < 255; t++)
 509                 Config->global_implementation[t] = 0;
 510
 511         memset(&Config->implement_lists,0,sizeof(Config->implement_lists));
 512
 513         printf("\n");
 514
 515         this->Res = new DNS(this);
 516
 517         this->Modules->LoadAll();
 518
 519         /* Just in case no modules were loaded - fix for bug #101 */
 520         this->BuildISupport();
 521         InitializeDisabledCommands(Config->DisabledCommands, this);
 522
 523         if ((Config->ports.size() == 0) && (found_ports > 0))
 524         {
 525                 printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
 526                 Log(DEFAULT,"ERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?");
 527                 Exit(EXIT_STATUS_BIND);
 528         }
 529
 530         if (Config->ports.size() != (unsigned int)found_ports)
 531         {
 532                 printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n", bounditems, found_ports);
 533                 printf("The following port(s) failed to bind:\n");
 534                 int j = 1;
 535                 for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 536                 {
 537                         printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 538                 }
 539         }
 540 #ifndef WINDOWS
 541         if (!Config->nofork)
 542         {
 543                 if (kill(getppid(), SIGTERM) == -1)
 544                 {
 545                         printf("Error killing parent process: %s\n",strerror(errno));
 546                         Log(DEFAULT,"Error killing parent process: %s",strerror(errno));
 547                 }
 548         }
 549
 550         if (isatty(0) && isatty(1) && isatty(2))
 551         {
 552                 /* We didn't start from a TTY, we must have started from a background process -
 553                  * e.g. we are restarting, or being launched by cron. Dont kill parent, and dont
 554                  * close stdin/stdout
 555                  */
 556                 if (!do_nofork)
 557                 {
 558                         fclose(stdin);
 559                         fclose(stderr);
 560                         fclose(stdout);
 561                 }
 562                 else
 563                 {
 564                         Log(DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
 565                 }
 566         }
 567 #else
 568         WindowsIPC = new IPC(this);
 569         if(!Config->nofork)
 570         {
 571                 WindowsForkKillOwner(this);
 572                 FreeConsole();
 573         }
 574 #endif
 575
 576         printf("\nInspIRCd is now running!\n");
 577         Log(DEFAULT,"Startup complete.");
 578
 579         this->WritePID(Config->PID);
 580 }
 581
 582 /* moved to a function, as UID generation can call this also */
 583 void InspIRCd::InitialiseUID()
 584 {
 585         int i;
 586         size_t sid = Config->sid;
 587
 588         current_uid[0] = sid / 100 + 48;
 589         current_uid[1] = ((sid / 10) % 10) + 48;
 590         current_uid[2] = sid % 10 + 48;
 591
 592         /* Initialise UID */
 593         for(i = 3; i < UUID_LENGTH - 1; i++)
 594                 current_uid[i] = 'A';
 595 }
 596
 597 int InspIRCd::Run()
 598 {
 599         while (true)
 600         {
 601 #ifndef WIN32
 602                 static rusage ru;
 603 #else
 604                 static time_t uptime;
 605                 static struct tm * stime;
 606                 static char window_title[100];
 607 #endif
 608
 609                 /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
 610                  * Once per loop iteration is pleanty.
 611                  */
 612                 OLDTIME = TIME;
 613                 TIME = time(NULL);
 614
 615                 /* Run background module timers every few seconds
 616                  * (the docs say modules shouldnt rely on accurate
 617                  * timing using this event, so we dont have to
 618                  * time this exactly).
 619                  */
 620                 if (TIME != OLDTIME)
 621                 {
 622                         if (TIME < OLDTIME)
 623                         {
 624                                 WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME));
 625                         }
 626
 627                         if ((TIME % 3600) == 0)
 628                         {
 629                                 this->RehashUsersAndChans();
 630                                 FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect());
 631                         }
 632
 633                         Timers->TickTimers(TIME);
 634                         this->DoBackgroundUserStuff();
 635
 636                         if ((TIME % 5) == 0)
 637                         {
 638                                 XLines->expire_lines();
 639                                 FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
 640                                 Timers->TickMissedTimers(TIME);
 641                         }
 642 #ifndef WIN32
 643                         /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */
 644                         if (!getrusage(RUSAGE_SELF, &ru))
 645                         {
 646                                 gettimeofday(&this->stats->LastSampled, NULL);
 647                                 this->stats->LastCPU = ru.ru_utime;
 648                         }
 649 #else
 650                         WindowsIPC->Check();
 651
 652                         if(Config->nofork)
 653                         {
 654                                 uptime = Time() - startup_time;
 655                                 stime = gmtime(&uptime);
 656                                 snprintf(window_title, 100, "InspIRCd - %u clients, %u accepted connections - Up %u days, %.2u:%.2u:%.2u",
 657                                         LocalUserCount(), stats->statsAccept, stime->tm_yday, stime->tm_hour, stime->tm_min, stime->tm_sec);
 658                                 SetConsoleTitle(window_title);
 659                         }
 660 #endif
 661                 }
 662
 663                 /* Call the socket engine to wait on the active
 664                  * file descriptors. The socket engine has everything's
 665                  * descriptors in its list... dns, modules, users,
 666                  * servers... so its nice and easy, just one call.
 667                  * This will cause any read or write events to be
 668                  * dispatched to their handlers.
 669                  */
 670                 this->SE->DispatchEvents();
 671
 672                 /* if any users was quit, take them out */
 673                 this->GlobalCulls.Apply();
 674
 675                 /* If any inspsockets closed, remove them */
 676                 this->BufferedSocketCull();
 677
 678                 if (this->s_signal)
 679                 {
 680                         this->SignalHandler(s_signal);
 681                         this->s_signal = 0;
 682                 }
 683         }
 684
 685         return 0;
 686 }
 687
 688 void InspIRCd::BufferedSocketCull()
 689 {
 690         for (std::map<BufferedSocket*,BufferedSocket*>::iterator x = SocketCull.begin(); x != SocketCull.end(); ++x)
 691         {
 692                 SE->DelFd(x->second);
 693                 x->second->Close();
 694                 delete x->second;
 695         }
 696         SocketCull.clear();
 697 }
 698
 699 /**********************************************************************************/
 700
 701 /**
 702  * An ircd in five lines! bwahahaha. ahahahahaha. ahahah *cough*.
 703  */
 704
 705 int main(int argc, char ** argv)
 706 {
 707         SI = new InspIRCd(argc, argv);
 708         mysig = &SI->s_signal;
 709         SI->Run();
 710         delete SI;
 711         return 0;
 712 }
 713
 714 /* this returns true when all modules are satisfied that the user should be allowed onto the irc server
 715  * (until this returns true, a user will block in the waiting state, waiting to connect up to the
 716  * registration timeout maximum seconds)
 717  */
 718 bool InspIRCd::AllModulesReportReady(User* user)
 719 {
 720         if (!Config->global_implementation[I_OnCheckReady])
 721                 return true;
 722
 723         for (int i = 0; i <= this->Modules->GetCount(); i++)
 724         {
 725                 if (Config->implement_lists[i][I_OnCheckReady])
 726                 {
 727                         int res = this->Modules->modules[i]->OnCheckReady(user);
 728                         if (!res)
 729                                 return false;
 730                 }
 731         }
 732         return true;
 733 }
 734
 735 time_t InspIRCd::Time(bool delta)
 736 {
 737         if (delta)
 738                 return TIME + time_delta;
 739         return TIME;
 740 }
 741
 742 int InspIRCd::SetTimeDelta(int delta)
 743 {
 744         int old = time_delta;
 745         time_delta = delta;
 746         this->Log(DEBUG, "Time delta set to %d (was %d)", time_delta, old);
 747         return old;
 748 }
 749
 750 void InspIRCd::AddLocalClone(User* user)
 751 {
 752         clonemap::iterator x = local_clones.find(user->GetIPString());
 753         if (x != local_clones.end())
 754                 x->second++;
 755         else
 756                 local_clones[user->GetIPString()] = 1;
 757 }
 758
 759 void InspIRCd::AddGlobalClone(User* user)
 760 {
 761         clonemap::iterator y = global_clones.find(user->GetIPString());
 762         if (y != global_clones.end())
 763                 y->second++;
 764         else
 765                 global_clones[user->GetIPString()] = 1;
 766 }
 767
 768 int InspIRCd::GetTimeDelta()
 769 {
 770         return time_delta;
 771 }
 772
 773 void InspIRCd::SetSignal(int signal)
 774 {
 775         *mysig = signal;
 776 }