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
 319         this->Config = new ServerConfig(this);
 320         this->SNO = new SnomaskManager(this);
 321         this->BanCache = new BanCacheManager(this);
 322         this->Modules = new ModuleManager(this);
 323         this->stats = new serverstats();
 324         this->Timers = new TimerManager(this);
 325         this->Parser = new CommandParser(this);
 326         this->XLines = new XLineManager(this);
 327
 328         this->Config->argv = argv;
 329         this->Config->argc = argc;
 330
 331         if (chdir(Config->GetFullProgDir().c_str()))
 332         {
 333                 printf("Unable to change to my directory: %s\nAborted.", strerror(errno));
 334                 exit(0);
 335         }
 336
 337         this->Config->opertypes.clear();
 338         this->Config->operclass.clear();
 339
 340         this->TIME = this->OLDTIME = this->startup_time = time(NULL);
 341         this->time_delta = 0;
 342         srand(this->TIME);
 343
 344         *this->LogFileName = 0;
 345         strlcpy(this->ConfigFileName, CONFIG_FILE, MAXBUF);
 346
 347         struct option longopts[] =
 348         {
 349                 { "nofork",     no_argument,            &do_nofork,     1       },
 350                 { "logfile",    required_argument,      NULL,           'f'     },
 351                 { "config",     required_argument,      NULL,           'c'     },
 352                 { "debug",      no_argument,            &do_debug,      1       },
 353                 { "nolog",      no_argument,            &do_nolog,      1       },
 354                 { "runasroot",  no_argument,            &do_root,       1       },
 355                 { "version",    no_argument,            &do_version,    1       },
 356                 { 0, 0, 0, 0 }
 357         };
 358
 359         while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1)
 360         {
 361                 switch (c)
 362                 {
 363                         case 'f':
 364                                 /* Log filename was set */
 365                                 strlcpy(LogFileName, optarg, MAXBUF);
 366                         break;
 367                         case 'c':
 368                                 /* Config filename was set */
 369                                 strlcpy(ConfigFileName, optarg, MAXBUF);
 370                         break;
 371                         case 0:
 372                                 /* getopt_long_only() set an int variable, just keep going */
 373                         break;
 374                         default:
 375                                 /* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */
 376                                 printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile <filename>] [--runasroot] [--version] [--config <config>]\n", argv[0]);
 377                                 Exit(EXIT_STATUS_ARGV);
 378                         break;
 379                 }
 380         }
 381
 382         if (do_version)
 383         {
 384                 printf("\n%s r%s\n", VERSION, REVISION);
 385                 Exit(EXIT_STATUS_NOERROR);
 386         }
 387
 388 #ifdef WIN32
 389
 390         // Handle forking
 391         if(!do_nofork)
 392         {
 393                 DWORD ExitCode = WindowsForkStart(this);
 394                 if(ExitCode)
 395                         exit(ExitCode);
 396         }
 397
 398         // Set up winsock
 399         WSADATA wsadata;
 400         WSAStartup(MAKEWORD(2,0), &wsadata);
 401
 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         this->Res = new DNS(this);
 469
 470         /* Read config, pass 0. At the end if this pass,
 471          * the Config->IncludeFiles is populated, we call
 472          * Config->StartDownloads to initialize the downlaods of all
 473          * these files.
 474          */
 475         Config->Read(true, NULL, 0);
 476         Config->StartDownloads();
 477
 478         /* Now the downloads are started, we monitor them for completion.
 479          * On completion, we call Read again with pass = 1.
 480          * NOTE: We really should add a timeout here
 481          */
 482
 483         while (Config->Downloading())
 484         {
 485                 SE->DispatchEvents();
 486                 this->BufferedSocketCull();
 487         }
 488
 489         printf("\n");
 490
 491         if (Config->FileErrors)
 492         {
 493                 /* One or more file download/access errors, do not
 494                  * proceed to second pass
 495                  */
 496                 for (std::map<std::string, std::istream*>::iterator x = Config->IncludedFiles.begin(); x != Config->IncludedFiles.end(); ++x)
 497                 {
 498                         if (!x->second)
 499                                 printf("ERROR: Failed to access the file: %s.\n", x->first.c_str());
 500                 }
 501                 printf("Initialisation of configuration failed.\n");
 502                 Exit(EXIT_STATUS_CONFIG);
 503         }
 504
 505         /* We have all the files we can get, initiate pass 1 */
 506         Config->Read(true, NULL, 1);
 507
 508         this->AddServerName(Config->ServerName);
 509
 510         /* set up fake client again this time with the correct uid */
 511         delete FakeClient;
 512         this->FakeClient = new User(this);
 513         this->FakeClient->SetFd(FD_MAGIC_NUMBER);
 514
 515         /*
 516          * Initialise SID/UID.
 517          * For an explanation as to exactly how this works, and why it works this way, see GetUID().
 518          *   -- w00t
 519          */
 520         /* Generate SID */
 521         size_t sid = 0;
 522         if (Config->sid)
 523         {
 524                 sid = Config->sid;
 525         }
 526         else
 527         {
 528                 for (const char* x = Config->ServerName; *x; ++x)
 529                         sid = 5 * sid + *x;
 530                 for (const char* y = Config->ServerDesc; *y; ++y)
 531                         sid = 5 * sid + *y;
 532                 sid = sid % 999;
 533
 534                 Config->sid = sid;
 535         }
 536
 537         this->InitialiseUID();
 538
 539         // Get XLine to do it's thing.
 540         this->XLines->CheckELines();
 541         this->XLines->ApplyLines();
 542
 543
 544         CheckDie();
 545         int bounditems = BindPorts(true, found_ports, pl);
 546
 547         printf("\n");
 548
 549         /*this->Modules->LoadAll();*/
 550
 551         /* Just in case no modules were loaded - fix for bug #101 */
 552         this->BuildISupport();
 553         InitializeDisabledCommands(Config->DisabledCommands, this);
 554
 555         if ((Config->ports.size() == 0) && (found_ports > 0))
 556         {
 557                 printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
 558                 Log(DEFAULT,"ERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?");
 559                 Exit(EXIT_STATUS_BIND);
 560         }
 561
 562         if (Config->ports.size() != (unsigned int)found_ports)
 563         {
 564                 printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n", bounditems, found_ports);
 565                 printf("The following port(s) failed to bind:\n");
 566                 int j = 1;
 567                 for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 568                 {
 569                         printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 570                 }
 571         }
 572 #ifndef WINDOWS
 573         if (!Config->nofork)
 574         {
 575                 if (kill(getppid(), SIGTERM) == -1)
 576                 {
 577                         printf("Error killing parent process: %s\n",strerror(errno));
 578                         Log(DEFAULT,"Error killing parent process: %s",strerror(errno));
 579                 }
 580         }
 581
 582         if (isatty(0) && isatty(1) && isatty(2))
 583         {
 584                 /* We didn't start from a TTY, we must have started from a background process -
 585                  * e.g. we are restarting, or being launched by cron. Dont kill parent, and dont
 586                  * close stdin/stdout
 587                  */
 588                 if (!do_nofork)
 589                 {
 590                         fclose(stdin);
 591                         fclose(stderr);
 592                         fclose(stdout);
 593                 }
 594                 else
 595                 {
 596                         Log(DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
 597                 }
 598         }
 599 #else
 600         WindowsIPC = new IPC(this);
 601         if(!Config->nofork)
 602         {
 603                 WindowsForkKillOwner(this);
 604                 FreeConsole();
 605         }
 606 #endif
 607
 608         printf("\nInspIRCd is now running!\n");
 609         Log(DEFAULT,"Startup complete.");
 610
 611         this->WritePID(Config->PID);
 612 }
 613
 614 /* moved to a function, as UID generation can call this also */
 615 void InspIRCd::InitialiseUID()
 616 {
 617         int i;
 618         size_t sid = Config->sid;
 619
 620         current_uid[0] = sid / 100 + 48;
 621         current_uid[1] = ((sid / 10) % 10) + 48;
 622         current_uid[2] = sid % 10 + 48;
 623
 624         /* Initialise UID */
 625         for(i = 3; i < UUID_LENGTH - 1; i++)
 626                 current_uid[i] = 'A';
 627 }
 628
 629 int InspIRCd::Run()
 630 {
 631         while (true)
 632         {
 633 #ifndef WIN32
 634                 static rusage ru;
 635 #else
 636                 static time_t uptime;
 637                 static struct tm * stime;
 638                 static char window_title[100];
 639 #endif
 640
 641                 /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
 642                  * Once per loop iteration is pleanty.
 643                  */
 644                 OLDTIME = TIME;
 645                 TIME = time(NULL);
 646
 647                 /* Run background module timers every few seconds
 648                  * (the docs say modules shouldnt rely on accurate
 649                  * timing using this event, so we dont have to
 650                  * time this exactly).
 651                  */
 652                 if (TIME != OLDTIME)
 653                 {
 654                         if (TIME < OLDTIME)
 655                         {
 656                                 WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME));
 657                         }
 658
 659                         if ((TIME % 3600) == 0)
 660                         {
 661                                 this->RehashUsersAndChans();
 662                                 FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect());
 663                         }
 664
 665                         Timers->TickTimers(TIME);
 666                         this->DoBackgroundUserStuff();
 667
 668                         if ((TIME % 5) == 0)
 669                         {
 670                                 FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
 671                                 Timers->TickMissedTimers(TIME);
 672                         }
 673 #ifndef WIN32
 674                         /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */
 675                         if (!getrusage(RUSAGE_SELF, &ru))
 676                         {
 677                                 gettimeofday(&this->stats->LastSampled, NULL);
 678                                 this->stats->LastCPU = ru.ru_utime;
 679                         }
 680 #else
 681                         WindowsIPC->Check();
 682
 683                         if(Config->nofork)
 684                         {
 685                                 uptime = Time() - startup_time;
 686                                 stime = gmtime(&uptime);
 687                                 snprintf(window_title, 100, "InspIRCd - %u clients, %u accepted connections - Up %u days, %.2u:%.2u:%.2u",
 688                                         LocalUserCount(), stats->statsAccept, stime->tm_yday, stime->tm_hour, stime->tm_min, stime->tm_sec);
 689                                 SetConsoleTitle(window_title);
 690                         }
 691 #endif
 692                 }
 693
 694                 /* Call the socket engine to wait on the active
 695                  * file descriptors. The socket engine has everything's
 696                  * descriptors in its list... dns, modules, users,
 697                  * servers... so its nice and easy, just one call.
 698                  * This will cause any read or write events to be
 699                  * dispatched to their handlers.
 700                  */
 701                 this->SE->DispatchEvents();
 702
 703                 /* if any users was quit, take them out */
 704                 this->GlobalCulls.Apply();
 705
 706                 /* If any inspsockets closed, remove them */
 707                 this->BufferedSocketCull();
 708
 709                 if (this->s_signal)
 710                 {
 711                         this->SignalHandler(s_signal);
 712                         this->s_signal = 0;
 713                 }
 714         }
 715
 716         return 0;
 717 }
 718
 719 void InspIRCd::BufferedSocketCull()
 720 {
 721         for (std::map<BufferedSocket*,BufferedSocket*>::iterator x = SocketCull.begin(); x != SocketCull.end(); ++x)
 722         {
 723                 SE->DelFd(x->second);
 724                 x->second->Close();
 725                 delete x->second;
 726         }
 727         SocketCull.clear();
 728 }
 729
 730 /**********************************************************************************/
 731
 732 /**
 733  * An ircd in five lines! bwahahaha. ahahahahaha. ahahah *cough*.
 734  */
 735
 736 int main(int argc, char ** argv)
 737 {
 738         SI = new InspIRCd(argc, argv);
 739         mysig = &SI->s_signal;
 740         SI->Run();
 741         delete SI;
 742         return 0;
 743 }
 744
 745 /* this returns true when all modules are satisfied that the user should be allowed onto the irc server
 746  * (until this returns true, a user will block in the waiting state, waiting to connect up to the
 747  * registration timeout maximum seconds)
 748  */
 749 bool InspIRCd::AllModulesReportReady(User* user)
 750 {
 751         for (EventHandlerIter i = Modules->EventHandlers[I_OnCheckReady].begin(); i != Modules->EventHandlers[I_OnCheckReady].end(); ++i)
 752         {
 753                 int res = (*i)->OnCheckReady(user);
 754                 if (!res)
 755                         return false;
 756         }
 757
 758         return true;
 759 }
 760
 761 time_t InspIRCd::Time(bool delta)
 762 {
 763         if (delta)
 764                 return TIME + time_delta;
 765         return TIME;
 766 }
 767
 768 int InspIRCd::SetTimeDelta(int delta)
 769 {
 770         int old = time_delta;
 771         time_delta = delta;
 772         this->Log(DEBUG, "Time delta set to %d (was %d)", time_delta, old);
 773         return old;
 774 }
 775
 776 void InspIRCd::AddLocalClone(User* user)
 777 {
 778         clonemap::iterator x = local_clones.find(user->GetIPString());
 779         if (x != local_clones.end())
 780                 x->second++;
 781         else
 782                 local_clones[user->GetIPString()] = 1;
 783 }
 784
 785 void InspIRCd::AddGlobalClone(User* user)
 786 {
 787         clonemap::iterator y = global_clones.find(user->GetIPString());
 788         if (y != global_clones.end())
 789                 y->second++;
 790         else
 791                 global_clones[user->GetIPString()] = 1;
 792 }
 793
 794 int InspIRCd::GetTimeDelta()
 795 {
 796         return time_delta;
 797 }
 798
 799 void InspIRCd::SetSignal(int signal)
 800 {
 801         *mysig = signal;
 802 }