2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2012 William Pitcock <nenolod@dereferenced.org>
5 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
6 * Copyright (C) 2003-2008 Craig Edwards <craigedwards@brainbox.cc>
7 * Copyright (C) 2008 Uli Schlachter <psychon@znc.in>
8 * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
9 * Copyright (C) 2006-2007 Oliver Lupton <oliverlupton@gmail.com>
10 * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
11 * Copyright (C) 2007 Burlex <???@???>
12 * Copyright (C) 2003 Craig McLure <craig@chatspike.net>
13 * Copyright (C) 2003 randomdan <???@???>
15 * This file is part of InspIRCd. InspIRCd is free software: you can
16 * redistribute it and/or modify it under the terms of the GNU General Public
17 * License as published by the Free Software Foundation, version 2.
19 * This program is distributed in the hope that it will be useful, but WITHOUT
20 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
21 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
24 * You should have received a copy of the GNU General Public License
25 * along with this program. If not, see <http://www.gnu.org/licenses/>.
36 #include <sys/resource.h>
40 /* Some systems don't define RUSAGE_SELF. This should fix them. */
45 #include <pwd.h> // setuid
46 #include <grp.h> // setgid
48 WORD g_wOriginalColors;
49 WORD g_wBackgroundColor;
57 #include "socketengine.h"
59 #include "command_parse.h"
60 #include "exitcodes.h"
62 #include "testsuite.h"
64 InspIRCd* ServerInstance = NULL;
66 /** Seperate from the other casemap tables so that code *can* still exclusively rely on RFC casemapping
69 * This is provided as a pointer so that modules can change it to their custom mapping tables,
70 * e.g. for national character support.
72 unsigned const char *national_case_insensitive_map = rfc_case_insensitive_map;
75 /* Moved from exitcodes.h -- due to duplicate symbols -- Burlex
76 * XXX this is a bit ugly. -- w00t
78 const char* ExitCodes[] =
82 "Config file error", // 2
84 "POSIX fork failed", // 4
85 "Bad commandline parameters", // 5
86 "Can't write PID file", // 6
87 "SocketEngine could not initialize", // 7
88 "Refusing to start up as root", // 8
89 "Couldn't load module on startup", // 9
90 "Received SIGTERM" // 10
93 template<typename T> static void DeleteZero(T*&n)
100 void InspIRCd::Cleanup()
102 // Close all listening sockets
103 for (unsigned int i = 0; i < ports.size(); i++)
110 /* Close all client sockets, or the new process inherits them */
111 LocalUserList::reverse_iterator i = Users->local_users.rbegin();
112 while (i != this->Users->local_users.rend())
115 Users->QuitUser(u, "Server shutdown");
119 Modules->UnloadAll();
121 /* Delete objects dynamically allocated in constructor (destructor would be more appropriate, but we're likely exiting) */
122 /* Must be deleted before modes as it decrements modelines */
125 DeleteZero(this->FakeClient);
126 DeleteZero(this->Users);
127 DeleteZero(this->Modes);
128 DeleteZero(this->XLines);
129 DeleteZero(this->Parser);
130 DeleteZero(this->stats);
131 DeleteZero(this->Modules);
132 DeleteZero(this->BanCache);
133 DeleteZero(this->SNO);
134 DeleteZero(this->Config);
135 DeleteZero(this->chanlist);
136 DeleteZero(this->PI);
137 DeleteZero(this->Threads);
138 DeleteZero(this->Timers);
139 DeleteZero(this->SE);
141 DeleteZero(this->Logs);
144 void InspIRCd::SetSignals()
147 signal(SIGALRM, SIG_IGN);
148 signal(SIGHUP, InspIRCd::SetSignal);
149 signal(SIGPIPE, SIG_IGN);
150 signal(SIGCHLD, SIG_IGN);
151 /* We want E2BIG not a signal! */
152 signal(SIGXFSZ, SIG_IGN);
154 signal(SIGTERM, InspIRCd::SetSignal);
157 void InspIRCd::QuickExit(int status)
162 bool InspIRCd::DaemonSeed()
165 std::cout << "InspIRCd Process ID: " << con_green << GetCurrentProcessId() << con_reset << std::endl;
168 signal(SIGTERM, InspIRCd::QuickExit);
170 int childpid = fork();
173 else if (childpid > 0)
175 /* We wait here for the child process to kill us,
176 * so that the shell prompt doesnt come back over
178 * Sending a kill with a signal of 0 just checks
179 * if the child pid is still around. If theyre not,
180 * they threw an error and we should give up.
182 while (kill(childpid, 0) != -1)
187 std::cout << "InspIRCd Process ID: " << con_green << getpid() << con_reset << std::endl;
189 signal(SIGTERM, InspIRCd::SetSignal);
192 if (getrlimit(RLIMIT_CORE, &rl) == -1)
194 this->Logs->Log("STARTUP", LOG_DEFAULT, "Failed to getrlimit()!");
197 rl.rlim_cur = rl.rlim_max;
199 if (setrlimit(RLIMIT_CORE, &rl) == -1)
200 this->Logs->Log("STARTUP", LOG_DEFAULT, "setrlimit() failed, cannot increase coredump size.");
206 void InspIRCd::WritePID(const std::string &filename)
209 std::string fname(filename);
211 fname = DATA_PATH "/inspircd.pid";
212 std::ofstream outfile(fname.c_str());
213 if (outfile.is_open())
220 std::cout << "Failed to write PID-file '" << fname << "', exiting." << std::endl;
221 this->Logs->Log("STARTUP", LOG_DEFAULT, "Failed to write PID-file '%s', exiting.",fname.c_str());
222 Exit(EXIT_STATUS_PID);
227 InspIRCd::InspIRCd(int argc, char** argv) :
228 ConfigFileName(CONFIG_PATH "/inspircd.conf"),
230 /* Functor pointer initialisation.
232 * THIS MUST MATCH THE ORDER OF DECLARATION OF THE FUNCTORS, e.g. the methods
233 * themselves within the class.
235 OperQuit("OperQuit", NULL),
236 GenRandom(&HandleGenRandom),
237 IsChannel(&HandleIsChannel),
238 Rehash(&HandleRehash),
239 IsNick(&HandleIsNick),
240 IsIdent(&HandleIsIdent),
241 OnCheckExemption(&HandleOnCheckExemption)
243 ServerInstance = this;
245 Extensions.Register(&OperQuit);
248 int do_version = 0, do_nofork = 0, do_debug = 0,
249 do_nolog = 0, do_root = 0, do_testsuite = 0; /* flag variables */
251 // Initialize so that if we exit before proper initialization they're not deleted
266 this->ConfigThread = NULL;
267 this->FakeClient = NULL;
270 this->startup_time = TIME.tv_sec;
272 // This must be created first, so other parts of Insp can use it while starting up
273 this->Logs = new LogManager;
275 SE = CreateSocketEngine();
277 this->Threads = new ThreadEngine;
279 /* Default implementation does nothing */
280 this->PI = new ProtocolInterface;
282 // Create base manager classes early, so nothing breaks
283 this->Users = new UserManager;
285 this->chanlist = new chan_hash();
287 this->Config = new ServerConfig;
288 this->SNO = new SnomaskManager;
289 this->BanCache = new BanCacheManager;
290 this->Modules = new ModuleManager();
291 dynamic_reference_base::reset_all();
292 this->stats = new serverstats();
293 this->Timers = new TimerManager;
294 this->Parser = new CommandParser;
295 this->XLines = new XLineManager;
297 this->Config->cmdline.argv = argv;
298 this->Config->cmdline.argc = argc;
301 srand(TIME.tv_nsec ^ TIME.tv_sec);
303 // Initialize the console values
304 g_hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
305 CONSOLE_SCREEN_BUFFER_INFO bufinf;
306 if(GetConsoleScreenBufferInfo(g_hStdout, &bufinf))
308 g_wOriginalColors = bufinf.wAttributes & 0x00FF;
309 g_wBackgroundColor = bufinf.wAttributes & 0x00F0;
313 g_wOriginalColors = FOREGROUND_RED|FOREGROUND_BLUE|FOREGROUND_GREEN;
314 g_wBackgroundColor = 0;
317 srandom(TIME.tv_nsec ^ TIME.tv_sec);
320 struct option longopts[] =
322 { "nofork", no_argument, &do_nofork, 1 },
323 { "config", required_argument, NULL, 'c' },
324 { "debug", no_argument, &do_debug, 1 },
325 { "nolog", no_argument, &do_nolog, 1 },
326 { "runasroot", no_argument, &do_root, 1 },
327 { "version", no_argument, &do_version, 1 },
328 { "testsuite", no_argument, &do_testsuite, 1 },
334 while ((c = getopt_long(argc, argv, ":c:", longopts, &index)) != -1)
339 /* Config filename was set */
340 ConfigFileName = optarg;
343 /* getopt_long_only() set an int variable, just keep going */
346 /* Unknown parameter */
348 /* Fall through to handle other weird values too */
349 std::cout << "Unknown parameter '" << argv[optind-1] << "'" << std::endl;
350 std::cout << "Usage: " << argv[0] << " [--nofork] [--nolog] [--debug] [--config <config>]" << std::endl <<
351 std::string(static_cast<int>(8+strlen(argv[0])), ' ') << "[--runasroot] [--version] [--testsuite]" << std::endl;
352 Exit(EXIT_STATUS_ARGV);
358 do_nofork = do_debug = true;
362 std::cout << std::endl << VERSION << " r" << REVISION << std::endl;
363 Exit(EXIT_STATUS_NOERROR);
369 WSAStartup(MAKEWORD(2,2), &wsadata);
372 /* Set the finished argument values */
373 Config->cmdline.nofork = (do_nofork != 0);
374 Config->cmdline.forcedebug = (do_debug != 0);
375 Config->cmdline.writelog = (!do_nolog != 0);
376 Config->cmdline.TestSuite = (do_testsuite != 0);
380 FileWriter* fw = new FileWriter(stdout);
381 FileLogStream* fls = new FileLogStream(LOG_RAWIO, fw);
382 Logs->AddLogTypes("*", fls, true);
385 if (!ServerConfig::FileExists(ConfigFileName.c_str()))
388 /* Windows can (and defaults to) hide file extensions, so let's play a bit nice for windows users. */
389 std::string txtconf = this->ConfigFileName;
390 txtconf.append(".txt");
392 if (ServerConfig::FileExists(txtconf.c_str()))
394 ConfigFileName = txtconf;
399 std::cout << "ERROR: Cannot open config file: " << ConfigFileName << std::endl << "Exiting..." << std::endl;
400 this->Logs->Log("STARTUP", LOG_DEFAULT, "Unable to open config file %s", ConfigFileName.c_str());
401 Exit(EXIT_STATUS_CONFIG);
405 std::cout << con_green << "Inspire Internet Relay Chat Server" << con_reset << ", compiled on " __DATE__ " at " __TIME__ << std::endl;
406 std::cout << con_green << "(C) InspIRCd Development Team." << con_reset << std::endl << std::endl;
407 std::cout << "Developers:" << std::endl;
408 std::cout << con_green << "\tBrain, FrostyCoolSlug, w00t, Om, Special, peavey" << std::endl;
409 std::cout << "\taquanight, psychon, dz, danieldg, jackmcbarn" << std::endl;
410 std::cout << "\tAttila" << con_reset << std::endl << std::endl;
411 std::cout << "Others:\t\t\t" << con_green << "See /INFO Output" << con_reset << std::endl;
413 this->Modes = new ModeParser;
420 std::cout << "* WARNING * WARNING * WARNING * WARNING * WARNING *" << std::endl
421 << "YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED" << std::endl
422 << "AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED" << std::endl
423 << "OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR" << std::endl
424 << "SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN" << std::endl
425 << "TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART" << std::endl
426 << "THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!" << std::endl << std::endl
427 << "InspIRCd starting in 20 seconds, ctrl+c to abort..." << std::endl;
434 if (!Config->cmdline.nofork)
436 if (!this->DaemonSeed())
438 std::cout << "ERROR: could not go into daemon mode. Shutting down." << std::endl;
439 Logs->Log("STARTUP", LOG_DEFAULT, "ERROR: could not go into daemon mode. Shutting down.");
440 Exit(EXIT_STATUS_FORK);
444 SE->RecoverFromFork();
446 /* During startup we read the configuration now, not in
449 this->Config->Read();
450 this->Config->Apply(NULL, "");
451 Logs->OpenFileLogs();
452 ModeParser::InitBuiltinModes();
454 // If we don't have a SID, generate one based on the server name and the server description
455 if (Config->sid.empty())
456 Config->sid = UIDGenerator::GenerateSID(Config->ServerName, Config->ServerDesc);
458 // Initialize the UID generator with our sid
459 this->UIDGen.init(Config->sid);
461 // Create the server user for this server
462 this->FakeClient = new FakeUser(Config->sid, Config->ServerName);
464 // This is needed as all new XLines are marked pending until ApplyLines() is called
465 this->XLines->ApplyLines();
467 int bounditems = BindPorts(pl);
469 std::cout << std::endl;
471 this->Modules->LoadAll();
473 // Build ISupport as ModuleManager::LoadAll() does not do it
474 this->ISupport.Build();
475 Config->ApplyDisabledCommands(Config->DisabledCommands);
479 std::cout << std::endl << "WARNING: Not all your client ports could be bound -- " << std::endl << "starting anyway with " << bounditems
480 << " of " << bounditems + (int)pl.size() << " client ports bound." << std::endl << std::endl;
481 std::cout << "The following port(s) failed to bind:" << std::endl << std::endl;
483 for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
485 std::cout << j << ".\tAddress: " << (i->first.empty() ? "<all>" : i->first) << " \tReason: " << i->second << std::endl;
488 std::cout << std::endl << "Hint: Try using a public IP instead of blank or *" << std::endl;
491 std::cout << "InspIRCd is now running as '" << Config->ServerName << "'[" << Config->GetSID() << "] with " << SE->GetMaxFds() << " max open sockets" << std::endl;
494 if (!Config->cmdline.nofork)
496 if (kill(getppid(), SIGTERM) == -1)
498 std::cout << "Error killing parent process: " << strerror(errno) << std::endl;
499 Logs->Log("STARTUP", LOG_DEFAULT, "Error killing parent process: %s",strerror(errno));
503 /* Explicitly shut down stdio's stdin/stdout/stderr.
505 * The previous logic here was to only do this if stdio was connected to a controlling
506 * terminal. However, we must do this always to avoid information leaks and other
507 * problems related to stdio.
509 * The only exception is if we are in debug mode.
513 if ((!do_nofork) && (!do_testsuite) && (!Config->cmdline.forcedebug))
515 int fd = open("/dev/null", O_RDWR);
521 if (dup2(fd, STDIN_FILENO) < 0)
522 Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stdin.");
523 if (dup2(fd, STDOUT_FILENO) < 0)
524 Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stdout.");
525 if (dup2(fd, STDERR_FILENO) < 0)
526 Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stderr.");
531 Logs->Log("STARTUP", LOG_DEFAULT, "Keeping pseudo-tty open as we are running in the foreground.");
534 /* Set win32 service as running, if we are running as a service */
543 QueryPerformanceFrequency(&stats->QPFrequency);
546 Logs->Log("STARTUP", LOG_DEFAULT, "Startup complete as '%s'[%s], %d max open sockets", Config->ServerName.c_str(),Config->GetSID().c_str(), SE->GetMaxFds());
549 std::string SetUser = Config->ConfValue("security")->getString("runasuser");
550 std::string SetGroup = Config->ConfValue("security")->getString("runasgroup");
551 if (!SetGroup.empty())
556 ret = setgroups(0, NULL);
560 this->Logs->Log("STARTUP", LOG_DEFAULT, "setgroups() failed (wtf?): %s", strerror(errno));
568 g = getgrnam(SetGroup.c_str());
572 this->Logs->Log("STARTUP", LOG_DEFAULT, "getgrnam() failed (bad user?): %s", strerror(errno));
576 ret = setgid(g->gr_gid);
580 this->Logs->Log("STARTUP", LOG_DEFAULT, "setgid() failed (bad user?): %s", strerror(errno));
585 if (!SetUser.empty())
591 u = getpwnam(SetUser.c_str());
595 this->Logs->Log("STARTUP", LOG_DEFAULT, "getpwnam() failed (bad user?): %s", strerror(errno));
599 int ret = setuid(u->pw_uid);
603 this->Logs->Log("STARTUP", LOG_DEFAULT, "setuid() failed (bad user?): %s", strerror(errno));
608 this->WritePID(Config->PID);
612 void InspIRCd::UpdateTime()
618 TIME.tv_sec = time(NULL);
619 TIME.tv_nsec = st.wMilliseconds;
621 #ifdef HAS_CLOCK_GETTIME
622 clock_gettime(CLOCK_REALTIME, &TIME);
625 gettimeofday(&tv, NULL);
626 TIME.tv_sec = tv.tv_sec;
627 TIME.tv_nsec = tv.tv_usec * 1000;
634 /* See if we're supposed to be running the test suite rather than entering the mainloop */
635 if (Config->cmdline.TestSuite)
637 TestSuite* ts = new TestSuite;
643 time_t OLDTIME = TIME.tv_sec;
651 /* Check if there is a config thread which has finished executing but has not yet been freed */
652 if (this->ConfigThread && this->ConfigThread->IsDone())
654 /* Rehash has completed */
655 this->Logs->Log("CONFIG", LOG_DEBUG, "Detected ConfigThread exiting, tidying up...");
657 this->ConfigThread->Finish();
659 ConfigThread->join();
666 /* Run background module timers every few seconds
667 * (the docs say modules shouldnt rely on accurate
668 * timing using this event, so we dont have to
669 * time this exactly).
671 if (TIME.tv_sec != OLDTIME)
674 getrusage(RUSAGE_SELF, &ru);
675 stats->LastSampled = TIME;
676 stats->LastCPU = ru.ru_utime;
678 if(QueryPerformanceCounter(&stats->LastSampled))
680 FILETIME CreationTime;
684 GetProcessTimes(GetCurrentProcess(), &CreationTime, &ExitTime, &KernelTime, &UserTime);
685 stats->LastCPU.dwHighDateTime = KernelTime.dwHighDateTime + UserTime.dwHighDateTime;
686 stats->LastCPU.dwLowDateTime = KernelTime.dwLowDateTime + UserTime.dwLowDateTime;
690 /* Allow a buffer of two seconds drift on this so that ntpdate etc dont harass admins */
691 if (TIME.tv_sec < OLDTIME - 2)
693 SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %lu secs.", (unsigned long)OLDTIME-TIME.tv_sec);
695 else if (TIME.tv_sec > OLDTIME + 2)
697 SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is jumping FORWARDS! Clock skipped %lu secs.", (unsigned long)TIME.tv_sec - OLDTIME);
700 OLDTIME = TIME.tv_sec;
702 if ((TIME.tv_sec % 3600) == 0)
704 Users->GarbageCollect();
705 FOREACH_MOD(I_OnGarbageCollect, OnGarbageCollect());
708 Timers->TickTimers(TIME.tv_sec);
709 Users->DoBackgroundUserStuff();
711 if ((TIME.tv_sec % 5) == 0)
713 FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME.tv_sec));
714 SNO->FlushSnotices();
718 /* Call the socket engine to wait on the active
719 * file descriptors. The socket engine has everything's
720 * descriptors in its list... dns, modules, users,
721 * servers... so its nice and easy, just one call.
722 * This will cause any read or write events to be
723 * dispatched to their handlers.
725 this->SE->DispatchTrialWrites();
726 this->SE->DispatchEvents();
728 /* if any users were quit, take them out */
734 this->SignalHandler(s_signal);
740 sig_atomic_t InspIRCd::s_signal = 0;
742 void InspIRCd::SetSignal(int signal)
747 /* On posix systems, the flow of the program starts right here, with
748 * ENTRYPOINT being a #define that defines main(). On Windows, ENTRYPOINT
749 * defines smain() and the real main() is in the service code under
750 * win32service.cpp. This allows the service control manager to control
751 * the process where we are running as a windows service.
755 new InspIRCd(argc, argv);
756 ServerInstance->Run();
757 delete ServerInstance;