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         if (Config)
  74         {
  75                 for (unsigned int i = 0; i < Config->ports.size(); i++)
  76                 {
  77                         /* This calls the constructor and closes the listening socket */
  78                         delete Config->ports[i];
  79                 }
  80
  81                 Config->ports.clear();
  82         }
  83
  84         /* Close all client sockets, or the new process inherits them */
  85         for (std::vector<User*>::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++)
  86         {
  87                 (*i)->SetWriteError("Server shutdown");
  88                 (*i)->CloseSocket();
  89         }
  90
  91         /* We do this more than once, so that any service providers get a
  92          * chance to be unhooked by the modules using them, but then get
  93          * a chance to be removed themsleves.
  94          */
  95         for (int tries = 0; tries < 3; tries++)
  96         {
  97                 std::vector<std::string> module_names = Modules->GetAllModuleNames(0);
  98                 for (std::vector<std::string>::iterator k = module_names.begin(); k != module_names.end(); ++k)
  99                 {
 100                         /* Unload all modules, so they get a chance to clean up their listeners */
 101                         this->Modules->Unload(k->c_str());
 102                 }
 103         }
 104
 105         /* Close logging */
 106         if (this->Logger)
 107                 this->Logger->Close();
 108
 109
 110         /* Cleanup Server Names */
 111         for(servernamelist::iterator itr = servernames.begin(); itr != servernames.end(); ++itr)
 112                 delete (*itr);
 113
 114
 115 }
 116
 117 void InspIRCd::Restart(const std::string &reason)
 118 {
 119         /* SendError flushes each client's queue,
 120          * regardless of writeability state
 121          */
 122         this->SendError(reason);
 123
 124         this->Cleanup();
 125
 126         /* Figure out our filename (if theyve renamed it, we're boned) */
 127         std::string me;
 128
 129 #ifdef WINDOWS
 130         char module[MAX_PATH];
 131         if (GetModuleFileName(NULL, module, MAX_PATH))
 132                 me = module;
 133 #else
 134         me = Config->MyDir + "/inspircd";
 135 #endif
 136
 137         if (execv(me.c_str(), Config->argv) == -1)
 138         {
 139                 /* Will raise a SIGABRT if not trapped */
 140                 throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno));
 141         }
 142 }
 143
 144 void InspIRCd::ResetMaxBans()
 145 {
 146         for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++)
 147                 i->second->ResetMaxBans();
 148 }
 149
 150 /** Because hash_map doesnt free its buckets when we delete items (this is a 'feature')
 151  * we must occasionally rehash the hash (yes really).
 152  * We do this by copying the entries from the old hash to a new hash, causing all
 153  * empty buckets to be weeded out of the hash. We dont do this on a timer, as its
 154  * very expensive, so instead we do it when the user types /REHASH and expects a
 155  * short delay anyway.
 156  */
 157 void InspIRCd::RehashUsersAndChans()
 158 {
 159         user_hash* old_users = this->clientlist;
 160         user_hash* old_uuid  = this->uuidlist;
 161         chan_hash* old_chans = this->chanlist;
 162
 163         this->clientlist = new user_hash();
 164         this->uuidlist = new user_hash();
 165         this->chanlist = new chan_hash();
 166
 167         for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++)
 168                 this->clientlist->insert(*n);
 169
 170         delete old_users;
 171
 172         for (user_hash::const_iterator n = old_uuid->begin(); n != old_uuid->end(); n++)
 173                 this->uuidlist->insert(*n);
 174
 175         delete old_uuid;
 176
 177         for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++)
 178                 this->chanlist->insert(*n);
 179
 180         delete old_chans;
 181 }
 182
 183 void InspIRCd::CloseLog()
 184 {
 185         if (this->Logger)
 186                 this->Logger->Close();
 187 }
 188
 189 void InspIRCd::SetSignals()
 190 {
 191 #ifndef WIN32
 192         signal(SIGALRM, SIG_IGN);
 193         signal(SIGHUP, InspIRCd::SetSignal);
 194         signal(SIGPIPE, SIG_IGN);
 195         signal(SIGCHLD, SIG_IGN);
 196 #endif
 197         signal(SIGTERM, InspIRCd::SetSignal);
 198 }
 199
 200 void InspIRCd::QuickExit(int status)
 201 {
 202         exit(0);
 203 }
 204
 205 bool InspIRCd::DaemonSeed()
 206 {
 207 #ifdef WINDOWS
 208         printf_c("InspIRCd Process ID: \033[1;32m%lu\033[0m\n", GetCurrentProcessId());
 209         return true;
 210 #else
 211         signal(SIGTERM, InspIRCd::QuickExit);
 212
 213         int childpid;
 214         if ((childpid = fork ()) < 0)
 215                 return false;
 216         else if (childpid > 0)
 217         {
 218                 /* We wait here for the child process to kill us,
 219                  * so that the shell prompt doesnt come back over
 220                  * the output.
 221                  * Sending a kill with a signal of 0 just checks
 222                  * if the child pid is still around. If theyre not,
 223                  * they threw an error and we should give up.
 224                  */
 225                 while (kill(childpid, 0) != -1)
 226                         sleep(1);
 227                 exit(0);
 228         }
 229         setsid ();
 230         umask (007);
 231         printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
 232
 233         signal(SIGTERM, InspIRCd::SetSignal);
 234
 235         rlimit rl;
 236         if (getrlimit(RLIMIT_CORE, &rl) == -1)
 237         {
 238                 this->Log(DEFAULT,"Failed to getrlimit()!");
 239                 return false;
 240         }
 241         else
 242         {
 243                 rl.rlim_cur = rl.rlim_max;
 244                 if (setrlimit(RLIMIT_CORE, &rl) == -1)
 245                         this->Log(DEFAULT,"setrlimit() failed, cannot increase coredump size.");
 246         }
 247
 248         return true;
 249 #endif
 250 }
 251
 252 void InspIRCd::WritePID(const std::string &filename)
 253 {
 254         std::string fname = (filename.empty() ? "inspircd.pid" : filename);
 255         if (*(fname.begin()) != '/')
 256         {
 257                 std::string::size_type pos;
 258                 std::string confpath = this->ConfigFileName;
 259                 if ((pos = confpath.rfind("/")) != std::string::npos)
 260                 {
 261                         /* Leaves us with just the path */
 262                         fname = confpath.substr(0, pos) + std::string("/") + fname;
 263                 }
 264         }
 265         std::ofstream outfile(fname.c_str());
 266         if (outfile.is_open())
 267         {
 268                 outfile << getpid();
 269                 outfile.close();
 270         }
 271         else
 272         {
 273                 printf("Failed to write PID-file '%s', exiting.\n",fname.c_str());
 274                 this->Log(DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str());
 275                 Exit(EXIT_STATUS_PID);
 276         }
 277 }
 278
 279 InspIRCd::InspIRCd(int argc, char** argv)
 280         : GlobalCulls(this),
 281
 282          /* Functor initialisation. Note that the ordering here is very important. */
 283          HandleProcessUser(this),
 284          HandleIsNick(this),
 285          HandleIsIdent(this),
 286          HandleFindDescriptor(this),
 287          HandleFloodQuitUser(this),
 288
 289          /* Functor pointer initialisation. Must match the order of the list above */
 290          ProcessUser(&HandleProcessUser),
 291          IsNick(&HandleIsNick),
 292          IsIdent(&HandleIsIdent),
 293          FindDescriptor(&HandleFindDescriptor),
 294          FloodQuitUser(&HandleFloodQuitUser)
 295
 296 {
 297
 298         int found_ports = 0;
 299         FailedPortList pl;
 300         int do_version = 0, do_nofork = 0, do_debug = 0, do_nolog = 0, do_root = 0;    /* flag variables */
 301         char c = 0;
 302
 303         memset(&server, 0, sizeof(server));
 304         memset(&client, 0, sizeof(client));
 305
 306         SocketEngineFactory* SEF = new SocketEngineFactory();
 307         SE = SEF->Create(this);
 308         delete SEF;
 309
 310         this->s_signal = 0;
 311
 312         this->unregistered_count = 0;
 313
 314         this->clientlist = new user_hash();
 315         this->uuidlist = new user_hash();
 316         this->chanlist = new chan_hash();
 317
 318         this->Res = NULL;
 319
 320         this->Config = new ServerConfig(this);
 321         this->SNO = new SnomaskManager(this);
 322         this->BanCache = new BanCacheManager(this);
 323         this->Modules = new ModuleManager(this);
 324         this->stats = new serverstats();
 325         this->Timers = new TimerManager(this);
 326         this->Parser = new CommandParser(this);
 327         this->XLines = new XLineManager(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
 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         ChangeWindowsSpecificPointers(this);
 403 #endif
 404         strlcpy(Config->MyExecutable,argv[0],MAXBUF);
 405
 406         if (!this->OpenLog(argv, argc))
 407         {
 408                 printf("ERROR: Could not open logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno));
 409                 Exit(EXIT_STATUS_LOG);
 410         }
 411
 412         if (!ServerConfig::FileExists(this->ConfigFileName))
 413         {
 414                 printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName);
 415                 this->Log(DEFAULT,"Unable to open config file %s", this->ConfigFileName);
 416                 Exit(EXIT_STATUS_CONFIG);
 417         }
 418
 419         printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
 420         printf_c("(C) InspIRCd Development Team.\033[0m\n\n");
 421         printf_c("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, peavey, Burlex\033[0m\n");
 422         printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
 423
 424         /* Set the finished argument values */
 425         Config->nofork = do_nofork;
 426         Config->forcedebug = do_debug;
 427         Config->writelog = !do_nolog;
 428         Config->ClearStack();
 429
 430         this->Modes = new ModeParser(this);
 431
 432         /* set up fake client (uid is incorrect at this point,
 433          * until after config is read. we set up the user again
 434          * at that point
 435          */
 436         this->FakeClient = new User(this);
 437         this->FakeClient->SetFd(FD_MAGIC_NUMBER);
 438
 439         if (!do_root)
 440                 this->CheckRoot();
 441         else
 442         {
 443                 printf("* WARNING * WARNING * WARNING * WARNING * WARNING * \n\n");
 444                 printf("YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED\n");
 445                 printf("AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED\n");
 446                 printf("OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR\n");
 447                 printf("SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN\n");
 448                 printf("TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART\n");
 449                 printf("THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!\n");
 450                 printf("\nInspIRCd starting in 20 seconds, ctrl+c to abort...\n");
 451                 sleep(20);
 452         }
 453
 454         this->SetSignals();
 455
 456         if (!Config->nofork)
 457         {
 458                 if (!this->DaemonSeed())
 459                 {
 460                         printf("ERROR: could not go into daemon mode. Shutting down.\n");
 461                         Log(DEFAULT,"ERROR: could not go into daemon mode. Shutting down.");
 462                         Exit(EXIT_STATUS_FORK);
 463                 }
 464         }
 465
 466         SE->RecoverFromFork();
 467
 468         /* Read config, pass 0. At the end if this pass,
 469          * the Config->IncludeFiles is populated, we call
 470          * Config->StartDownloads to initialize the downlaods of all
 471          * these files.
 472          */
 473         Config->Read(true, NULL, 0);
 474         Config->StartDownloads();
 475
 476         /* Now the downloads are started, we monitor them for completion.
 477          * On completion, we call Read again with pass = 1.
 478          * NOTE: We really should add a timeout here
 479          */
 480
 481         while (Config->Downloading())
 482         {
 483                 SE->DispatchEvents();
 484                 this->BufferedSocketCull();
 485         }
 486
 487         printf("\n");
 488
 489         if (Config->FileErrors)
 490         {
 491                 /* One or more file download/access errors, do not
 492                  * proceed to second pass
 493                  */
 494                 for (std::map<std::string, std::istream*>::iterator x = Config->IncludedFiles.begin(); x != Config->IncludedFiles.end(); ++x)
 495                 {
 496                         if (!x->second)
 497                                 printf("ERROR: Failed to access the file: %s.\n", x->first.c_str());
 498                 }
 499                 printf("Initialisation of configuration failed.\n");
 500                 Exit(EXIT_STATUS_CONFIG);
 501         }
 502
 503         /* We have all the files we can get, initiate pass 1 */
 504         Config->Read(true, NULL, 1);
 505
 506         this->AddServerName(Config->ServerName);
 507
 508         /* set up fake client again this time with the correct uid */
 509         delete FakeClient;
 510         this->FakeClient = new User(this);
 511         this->FakeClient->SetFd(FD_MAGIC_NUMBER);
 512
 513         /*
 514          * Initialise SID/UID.
 515          * For an explanation as to exactly how this works, and why it works this way, see GetUID().
 516          *   -- w00t
 517          */
 518         /* Generate SID */
 519         size_t sid = 0;
 520         if (Config->sid)
 521         {
 522                 sid = Config->sid;
 523         }
 524         else
 525         {
 526                 for (const char* x = Config->ServerName; *x; ++x)
 527                         sid = 5 * sid + *x;
 528                 for (const char* y = Config->ServerDesc; *y; ++y)
 529                         sid = 5 * sid + *y;
 530                 sid = sid % 999;
 531
 532                 Config->sid = sid;
 533         }
 534
 535         this->InitialiseUID();
 536
 537         // Get XLine to do it's thing.
 538         this->XLines->CheckELines();
 539         this->XLines->ApplyLines();
 540
 541
 542         CheckDie();
 543         int bounditems = BindPorts(true, found_ports, pl);
 544
 545         printf("\n");
 546
 547         /*this->Modules->LoadAll();*/
 548
 549         /* Just in case no modules were loaded - fix for bug #101 */
 550         this->BuildISupport();
 551         InitializeDisabledCommands(Config->DisabledCommands, this);
 552
 553         if ((Config->ports.size() == 0) && (found_ports > 0))
 554         {
 555                 printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
 556                 Log(DEFAULT,"ERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?");
 557                 Exit(EXIT_STATUS_BIND);
 558         }
 559
 560         if (Config->ports.size() != (unsigned int)found_ports)
 561         {
 562                 printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n", bounditems, found_ports);
 563                 printf("The following port(s) failed to bind:\n");
 564                 int j = 1;
 565                 for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 566                 {
 567                         printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 568                 }
 569         }
 570 #ifndef WINDOWS
 571         if (!Config->nofork)
 572         {
 573                 if (kill(getppid(), SIGTERM) == -1)
 574                 {
 575                         printf("Error killing parent process: %s\n",strerror(errno));
 576                         Log(DEFAULT,"Error killing parent process: %s",strerror(errno));
 577                 }
 578         }
 579
 580         if (isatty(0) && isatty(1) && isatty(2))
 581         {
 582                 /* We didn't start from a TTY, we must have started from a background process -
 583                  * e.g. we are restarting, or being launched by cron. Dont kill parent, and dont
 584                  * close stdin/stdout
 585                  */
 586                 if (!do_nofork)
 587                 {
 588                         fclose(stdin);
 589                         fclose(stderr);
 590                         fclose(stdout);
 591                 }
 592                 else
 593                 {
 594                         Log(DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
 595                 }
 596         }
 597 #else
 598         WindowsIPC = new IPC(this);
 599         if(!Config->nofork)
 600         {
 601                 WindowsForkKillOwner(this);
 602                 FreeConsole();
 603         }
 604 #endif
 605
 606         printf("\nInspIRCd is now running!\n");
 607         Log(DEFAULT,"Startup complete.");
 608
 609         this->WritePID(Config->PID);
 610 }
 611
 612 /* moved to a function, as UID generation can call this also */
 613 void InspIRCd::InitialiseUID()
 614 {
 615         int i;
 616         size_t sid = Config->sid;
 617
 618         current_uid[0] = sid / 100 + 48;
 619         current_uid[1] = ((sid / 10) % 10) + 48;
 620         current_uid[2] = sid % 10 + 48;
 621
 622         /* Initialise UID */
 623         for(i = 3; i < UUID_LENGTH - 1; i++)
 624                 current_uid[i] = 'A';
 625 }
 626
 627 int InspIRCd::Run()
 628 {
 629         while (true)
 630         {
 631 #ifndef WIN32
 632                 static rusage ru;
 633 #else
 634                 static time_t uptime;
 635                 static struct tm * stime;
 636                 static char window_title[100];
 637 #endif
 638
 639                 /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
 640                  * Once per loop iteration is pleanty.
 641                  */
 642                 OLDTIME = TIME;
 643                 TIME = time(NULL);
 644
 645                 /* Run background module timers every few seconds
 646                  * (the docs say modules shouldnt rely on accurate
 647                  * timing using this event, so we dont have to
 648                  * time this exactly).
 649                  */
 650                 if (TIME != OLDTIME)
 651                 {
 652                         if (TIME < OLDTIME)
 653                         {
 654                                 WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME));
 655                         }
 656
 657                         if ((TIME % 3600) == 0)
 658                         {
 659                                 this->RehashUsersAndChans();
 660                                 FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect());
 661                         }
 662
 663                         Timers->TickTimers(TIME);
 664                         this->DoBackgroundUserStuff();
 665
 666                         if ((TIME % 5) == 0)
 667                         {
 668                                 FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
 669                                 Timers->TickMissedTimers(TIME);
 670                         }
 671 #ifndef WIN32
 672                         /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */
 673                         if (!getrusage(RUSAGE_SELF, &ru))
 674                         {
 675                                 gettimeofday(&this->stats->LastSampled, NULL);
 676                                 this->stats->LastCPU = ru.ru_utime;
 677                         }
 678 #else
 679                         WindowsIPC->Check();
 680
 681                         if(Config->nofork)
 682                         {
 683                                 uptime = Time() - startup_time;
 684                                 stime = gmtime(&uptime);
 685                                 snprintf(window_title, 100, "InspIRCd - %u clients, %u accepted connections - Up %u days, %.2u:%.2u:%.2u",
 686                                         LocalUserCount(), stats->statsAccept, stime->tm_yday, stime->tm_hour, stime->tm_min, stime->tm_sec);
 687                                 SetConsoleTitle(window_title);
 688                         }
 689 #endif
 690                 }
 691
 692                 /* Call the socket engine to wait on the active
 693                  * file descriptors. The socket engine has everything's
 694                  * descriptors in its list... dns, modules, users,
 695                  * servers... so its nice and easy, just one call.
 696                  * This will cause any read or write events to be
 697                  * dispatched to their handlers.
 698                  */
 699                 this->SE->DispatchEvents();
 700
 701                 /* if any users was quit, take them out */
 702                 this->GlobalCulls.Apply();
 703
 704                 /* If any inspsockets closed, remove them */
 705                 this->BufferedSocketCull();
 706
 707                 if (this->s_signal)
 708                 {
 709                         this->SignalHandler(s_signal);
 710                         this->s_signal = 0;
 711                 }
 712         }
 713
 714         return 0;
 715 }
 716
 717 void InspIRCd::BufferedSocketCull()
 718 {
 719         for (std::map<BufferedSocket*,BufferedSocket*>::iterator x = SocketCull.begin(); x != SocketCull.end(); ++x)
 720         {
 721                 SE->DelFd(x->second);
 722                 x->second->Close();
 723                 delete x->second;
 724         }
 725         SocketCull.clear();
 726 }
 727
 728 /**********************************************************************************/
 729
 730 /**
 731  * An ircd in five lines! bwahahaha. ahahahahaha. ahahah *cough*.
 732  */
 733
 734 int main(int argc, char ** argv)
 735 {
 736         SI = new InspIRCd(argc, argv);
 737         mysig = &SI->s_signal;
 738         SI->Run();
 739         delete SI;
 740         return 0;
 741 }
 742
 743 /* this returns true when all modules are satisfied that the user should be allowed onto the irc server
 744  * (until this returns true, a user will block in the waiting state, waiting to connect up to the
 745  * registration timeout maximum seconds)
 746  */
 747 bool InspIRCd::AllModulesReportReady(User* user)
 748 {
 749         for (EventHandlerIter i = Modules->EventHandlers[I_OnCheckReady].begin(); i != Modules->EventHandlers[I_OnCheckReady].end(); ++i)
 750         {
 751                 int res = (*i)->OnCheckReady(user);
 752                 if (!res)
 753                         return false;
 754         }
 755
 756         return true;
 757 }
 758
 759 time_t InspIRCd::Time(bool delta)
 760 {
 761         if (delta)
 762                 return TIME + time_delta;
 763         return TIME;
 764 }
 765
 766 int InspIRCd::SetTimeDelta(int delta)
 767 {
 768         int old = time_delta;
 769         time_delta = delta;
 770         this->Log(DEBUG, "Time delta set to %d (was %d)", time_delta, old);
 771         return old;
 772 }
 773
 774 void InspIRCd::AddLocalClone(User* user)
 775 {
 776         clonemap::iterator x = local_clones.find(user->GetIPString());
 777         if (x != local_clones.end())
 778                 x->second++;
 779         else
 780                 local_clones[user->GetIPString()] = 1;
 781 }
 782
 783 void InspIRCd::AddGlobalClone(User* user)
 784 {
 785         clonemap::iterator y = global_clones.find(user->GetIPString());
 786         if (y != global_clones.end())
 787                 y->second++;
 788         else
 789                 global_clones[user->GetIPString()] = 1;
 790 }
 791
 792 int InspIRCd::GetTimeDelta()
 793 {
 794         return time_delta;
 795 }
 796
 797 void InspIRCd::SetSignal(int signal)
 798 {
 799         *mysig = signal;
 800 }