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