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/>.
35 #include <sys/resource.h>
39 /* Some systems don't define RUSAGE_SELF. This should fix them. */
44 #include <pwd.h> // setuid
45 #include <grp.h> // setgid
47 WORD g_wOriginalColors;
48 WORD g_wBackgroundColor;
55 #include "exitcodes.h"
56 #include "testsuite.h"
58 InspIRCd* ServerInstance = NULL;
60 /** Seperate from the other casemap tables so that code *can* still exclusively rely on RFC casemapping
63 * This is provided as a pointer so that modules can change it to their custom mapping tables,
64 * e.g. for national character support.
66 unsigned const char *national_case_insensitive_map = rfc_case_insensitive_map;
69 /* Moved from exitcodes.h -- due to duplicate symbols -- Burlex
70 * XXX this is a bit ugly. -- w00t
72 const char* ExitCodes[] =
76 "Config file error", // 2
78 "POSIX fork failed", // 4
79 "Bad commandline parameters", // 5
80 "Can't write PID file", // 6
81 "SocketEngine could not initialize", // 7
82 "Refusing to start up as root", // 8
83 "Couldn't load module on startup", // 9
84 "Received SIGTERM" // 10
87 #ifdef INSPIRCD_ENABLE_TESTSUITE
88 /** True if we have been told to run the testsuite from the commandline,
89 * rather than entering the mainloop.
91 static int do_testsuite = 0;
94 template<typename T> static void DeleteZero(T*&n)
101 void InspIRCd::Cleanup()
103 // Close all listening sockets
104 for (unsigned int i = 0; i < ports.size(); i++)
111 /* Close all client sockets, or the new process inherits them */
112 LocalUserList& list = Users->local_users;
113 for (LocalUserList::iterator i = list.begin(); i != list.end(); ++i)
114 Users->QuitUser(*i, "Server shutdown");
117 Modules->UnloadAll();
119 /* Delete objects dynamically allocated in constructor (destructor would be more appropriate, but we're likely exiting) */
120 /* Must be deleted before modes as it decrements modelines */
123 delete FakeClient->server;
126 DeleteZero(this->FakeClient);
127 DeleteZero(this->Users);
128 DeleteZero(this->XLines);
129 DeleteZero(this->Modules);
130 DeleteZero(this->SNO);
131 DeleteZero(this->Config);
132 SocketEngine::Deinit();
134 DeleteZero(this->Logs);
137 void InspIRCd::SetSignals()
140 signal(SIGALRM, SIG_IGN);
141 signal(SIGHUP, InspIRCd::SetSignal);
142 signal(SIGPIPE, SIG_IGN);
143 signal(SIGCHLD, SIG_IGN);
144 /* We want E2BIG not a signal! */
145 signal(SIGXFSZ, SIG_IGN);
147 signal(SIGTERM, InspIRCd::SetSignal);
150 void InspIRCd::QuickExit(int status)
155 // Required for returning the proper value of EXIT_SUCCESS for the parent process
156 static void VoidSignalHandler(int signalreceived)
161 bool InspIRCd::DaemonSeed()
164 std::cout << "InspIRCd Process ID: " << con_green << GetCurrentProcessId() << con_reset << std::endl;
167 // Do not use QuickExit here: It will exit with status SIGTERM which would break e.g. daemon scripts
168 signal(SIGTERM, VoidSignalHandler);
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 = ServerInstance->Config->Paths.PrependData("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(INSPIRCD_CONFIG_PATH "/inspircd.conf"),
229 PI(&DefaultProtocolInterface),
231 /* Functor pointer initialisation.
233 * THIS MUST MATCH THE ORDER OF DECLARATION OF THE FUNCTORS, e.g. the methods
234 * themselves within the class.
236 OperQuit("operquit", NULL),
237 GenRandom(&HandleGenRandom),
238 IsChannel(&HandleIsChannel),
239 IsNick(&HandleIsNick),
240 IsIdent(&HandleIsIdent),
241 OnCheckExemption(&HandleOnCheckExemption)
243 ServerInstance = this;
245 Extensions.Register(&OperQuit);
248 // Flag variables passed to getopt_long() later
249 int do_version = 0, do_nofork = 0, do_debug = 0,
250 do_nolog = 0, do_root = 0;
252 // Initialize so that if we exit before proper initialization they're not deleted
259 this->ConfigThread = NULL;
260 this->FakeClient = NULL;
263 this->startup_time = TIME.tv_sec;
265 // This must be created first, so other parts of Insp can use it while starting up
266 this->Logs = new LogManager;
268 SocketEngine::Init();
270 // Create base manager classes early, so nothing breaks
271 this->Users = new UserManager;
273 this->Config = new ServerConfig;
274 this->SNO = new SnomaskManager;
275 this->Modules = new ModuleManager();
276 dynamic_reference_base::reset_all();
277 this->XLines = new XLineManager;
279 this->Config->cmdline.argv = argv;
280 this->Config->cmdline.argc = argc;
283 srand(TIME.tv_nsec ^ TIME.tv_sec);
285 // Initialize the console values
286 g_hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
287 CONSOLE_SCREEN_BUFFER_INFO bufinf;
288 if(GetConsoleScreenBufferInfo(g_hStdout, &bufinf))
290 g_wOriginalColors = bufinf.wAttributes & 0x00FF;
291 g_wBackgroundColor = bufinf.wAttributes & 0x00F0;
295 g_wOriginalColors = FOREGROUND_RED|FOREGROUND_BLUE|FOREGROUND_GREEN;
296 g_wBackgroundColor = 0;
299 srandom(TIME.tv_nsec ^ TIME.tv_sec);
302 struct option longopts[] =
304 { "nofork", no_argument, &do_nofork, 1 },
305 { "config", required_argument, NULL, 'c' },
306 { "debug", no_argument, &do_debug, 1 },
307 { "nolog", no_argument, &do_nolog, 1 },
308 { "runasroot", no_argument, &do_root, 1 },
309 { "version", no_argument, &do_version, 1 },
310 #ifdef INSPIRCD_ENABLE_TESTSUITE
311 { "testsuite", no_argument, &do_testsuite, 1 },
318 while ((c = getopt_long(argc, argv, ":c:", longopts, &index)) != -1)
323 /* Config filename was set */
324 ConfigFileName = ServerInstance->Config->Paths.PrependConfig(optarg);
327 /* getopt_long_only() set an int variable, just keep going */
330 /* Unknown parameter */
332 /* Fall through to handle other weird values too */
333 std::cout << "Unknown parameter '" << argv[optind-1] << "'" << std::endl;
334 std::cout << "Usage: " << argv[0] << " [--nofork] [--nolog] [--debug] [--config <config>]" << std::endl <<
335 std::string(static_cast<int>(8+strlen(argv[0])), ' ') << "[--runasroot] [--version]" << std::endl;
336 Exit(EXIT_STATUS_ARGV);
341 #ifdef INSPIRCD_ENABLE_TESTSUITE
343 do_nofork = do_debug = true;
348 std::cout << std::endl << INSPIRCD_VERSION << " " << INSPIRCD_REVISION << std::endl;
349 Exit(EXIT_STATUS_NOERROR);
355 WSAStartup(MAKEWORD(2,2), &wsadata);
358 /* Set the finished argument values */
359 Config->cmdline.nofork = (do_nofork != 0);
360 Config->cmdline.forcedebug = (do_debug != 0);
361 Config->cmdline.writelog = !do_nolog;
365 FileWriter* fw = new FileWriter(stdout);
366 FileLogStream* fls = new FileLogStream(LOG_RAWIO, fw);
367 Logs->AddLogTypes("*", fls, true);
370 if (!FileSystem::FileExists(ConfigFileName))
373 /* Windows can (and defaults to) hide file extensions, so let's play a bit nice for windows users. */
374 std::string txtconf = this->ConfigFileName;
375 txtconf.append(".txt");
377 if (FileSystem::FileExists(txtconf))
379 ConfigFileName = txtconf;
384 std::cout << "ERROR: Cannot open config file: " << ConfigFileName << std::endl << "Exiting..." << std::endl;
385 this->Logs->Log("STARTUP", LOG_DEFAULT, "Unable to open config file %s", ConfigFileName.c_str());
386 Exit(EXIT_STATUS_CONFIG);
390 std::cout << con_green << "Inspire Internet Relay Chat Server" << con_reset << ", compiled on " __DATE__ " at " __TIME__ << std::endl;
391 std::cout << con_green << "(C) InspIRCd Development Team." << con_reset << std::endl << std::endl;
392 std::cout << "Developers:" << std::endl;
393 std::cout << con_green << "\tBrain, FrostyCoolSlug, w00t, Om, Special, peavey" << std::endl;
394 std::cout << "\taquanight, psychon, dz, danieldg, jackmcbarn" << std::endl;
395 std::cout << "\tAttila" << con_reset << std::endl << std::endl;
396 std::cout << "Others:\t\t\t" << con_green << "See /INFO Output" << con_reset << std::endl;
403 std::cout << "* WARNING * WARNING * WARNING * WARNING * WARNING *" << std::endl
404 << "YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED" << std::endl
405 << "AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED" << std::endl
406 << "OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR" << std::endl
407 << "SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN" << std::endl
408 << "TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART" << std::endl
409 << "THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!" << std::endl << std::endl
410 << "InspIRCd starting in 20 seconds, ctrl+c to abort..." << std::endl;
417 if (!Config->cmdline.nofork)
419 if (!this->DaemonSeed())
421 std::cout << "ERROR: could not go into daemon mode. Shutting down." << std::endl;
422 Logs->Log("STARTUP", LOG_DEFAULT, "ERROR: could not go into daemon mode. Shutting down.");
423 Exit(EXIT_STATUS_FORK);
427 SocketEngine::RecoverFromFork();
429 /* During startup we read the configuration now, not in
432 this->Config->Read();
433 this->Config->Apply(NULL, "");
434 Logs->OpenFileLogs();
435 ModeParser::InitBuiltinModes();
437 // If we don't have a SID, generate one based on the server name and the server description
438 if (Config->sid.empty())
439 Config->sid = UIDGenerator::GenerateSID(Config->ServerName, Config->ServerDesc);
441 // Initialize the UID generator with our sid
442 this->UIDGen.init(Config->sid);
444 // Create the server user for this server
445 this->FakeClient = new FakeUser(Config->sid, Config->ServerName, Config->ServerDesc);
447 // This is needed as all new XLines are marked pending until ApplyLines() is called
448 this->XLines->ApplyLines();
450 int bounditems = BindPorts(pl);
452 std::cout << std::endl;
454 this->Modules->LoadAll();
456 // Build ISupport as ModuleManager::LoadAll() does not do it
457 this->ISupport.Build();
458 Config->ApplyDisabledCommands(Config->DisabledCommands);
462 std::cout << std::endl << "WARNING: Not all your client ports could be bound -- " << std::endl << "starting anyway with " << bounditems
463 << " of " << bounditems + (int)pl.size() << " client ports bound." << std::endl << std::endl;
464 std::cout << "The following port(s) failed to bind:" << std::endl << std::endl;
466 for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
468 std::cout << j << ".\tAddress: " << (i->first.empty() ? "<all>" : i->first) << " \tReason: " << i->second << std::endl;
471 std::cout << std::endl << "Hint: Try using a public IP instead of blank or *" << std::endl;
474 std::cout << "InspIRCd is now running as '" << Config->ServerName << "'[" << Config->GetSID() << "] with " << SocketEngine::GetMaxFds() << " max open sockets" << std::endl;
477 if (!Config->cmdline.nofork)
479 if (kill(getppid(), SIGTERM) == -1)
481 std::cout << "Error killing parent process: " << strerror(errno) << std::endl;
482 Logs->Log("STARTUP", LOG_DEFAULT, "Error killing parent process: %s",strerror(errno));
486 /* Explicitly shut down stdio's stdin/stdout/stderr.
488 * The previous logic here was to only do this if stdio was connected to a controlling
489 * terminal. However, we must do this always to avoid information leaks and other
490 * problems related to stdio.
492 * The only exception is if we are in debug mode.
496 if ((!do_nofork) && (!Config->cmdline.forcedebug))
498 int fd = open("/dev/null", O_RDWR);
504 if (dup2(fd, STDIN_FILENO) < 0)
505 Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stdin.");
506 if (dup2(fd, STDOUT_FILENO) < 0)
507 Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stdout.");
508 if (dup2(fd, STDERR_FILENO) < 0)
509 Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stderr.");
514 Logs->Log("STARTUP", LOG_DEFAULT, "Keeping pseudo-tty open as we are running in the foreground.");
517 /* Set win32 service as running, if we are running as a service */
526 QueryPerformanceFrequency(&stats.QPFrequency);
529 Logs->Log("STARTUP", LOG_DEFAULT, "Startup complete as '%s'[%s], %d max open sockets", Config->ServerName.c_str(),Config->GetSID().c_str(), SocketEngine::GetMaxFds());
532 std::string SetUser = Config->ConfValue("security")->getString("runasuser");
533 std::string SetGroup = Config->ConfValue("security")->getString("runasgroup");
534 if (!SetGroup.empty())
539 ret = setgroups(0, NULL);
543 this->Logs->Log("STARTUP", LOG_DEFAULT, "setgroups() failed (wtf?): %s", strerror(errno));
551 g = getgrnam(SetGroup.c_str());
555 this->Logs->Log("STARTUP", LOG_DEFAULT, "getgrnam(%s) failed (wrong group?): %s", SetGroup.c_str(), strerror(errno));
559 ret = setgid(g->gr_gid);
563 this->Logs->Log("STARTUP", LOG_DEFAULT, "setgid() failed (wrong group?): %s", strerror(errno));
568 if (!SetUser.empty())
574 u = getpwnam(SetUser.c_str());
578 this->Logs->Log("STARTUP", LOG_DEFAULT, "getpwnam(%s) failed (wrong user?): %s", SetUser.c_str(), strerror(errno));
582 int ret = setuid(u->pw_uid);
586 this->Logs->Log("STARTUP", LOG_DEFAULT, "setuid() failed (wrong user?): %s", strerror(errno));
591 this->WritePID(Config->PID);
595 void InspIRCd::UpdateTime()
601 TIME.tv_sec = time(NULL);
602 TIME.tv_nsec = st.wMilliseconds;
604 #ifdef HAS_CLOCK_GETTIME
605 clock_gettime(CLOCK_REALTIME, &TIME);
608 gettimeofday(&tv, NULL);
609 TIME.tv_sec = tv.tv_sec;
610 TIME.tv_nsec = tv.tv_usec * 1000;
617 #ifdef INSPIRCD_ENABLE_TESTSUITE
618 /* See if we're supposed to be running the test suite rather than entering the mainloop */
621 TestSuite* ts = new TestSuite;
628 time_t OLDTIME = TIME.tv_sec;
636 /* Check if there is a config thread which has finished executing but has not yet been freed */
637 if (this->ConfigThread && this->ConfigThread->IsDone())
639 /* Rehash has completed */
640 this->Logs->Log("CONFIG", LOG_DEBUG, "Detected ConfigThread exiting, tidying up...");
642 this->ConfigThread->Finish();
644 ConfigThread->join();
651 /* Run background module timers every few seconds
652 * (the docs say modules shouldnt rely on accurate
653 * timing using this event, so we dont have to
654 * time this exactly).
656 if (TIME.tv_sec != OLDTIME)
659 getrusage(RUSAGE_SELF, &ru);
660 stats.LastSampled = TIME;
661 stats.LastCPU = ru.ru_utime;
663 if(QueryPerformanceCounter(&stats.LastSampled))
665 FILETIME CreationTime;
669 GetProcessTimes(GetCurrentProcess(), &CreationTime, &ExitTime, &KernelTime, &UserTime);
670 stats.LastCPU.dwHighDateTime = KernelTime.dwHighDateTime + UserTime.dwHighDateTime;
671 stats.LastCPU.dwLowDateTime = KernelTime.dwLowDateTime + UserTime.dwLowDateTime;
675 /* Allow a buffer of two seconds drift on this so that ntpdate etc dont harass admins */
676 if (TIME.tv_sec < OLDTIME - 2)
678 SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %lu secs.", (unsigned long)OLDTIME-TIME.tv_sec);
680 else if (TIME.tv_sec > OLDTIME + 2)
682 SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is jumping FORWARDS! Clock skipped %lu secs.", (unsigned long)TIME.tv_sec - OLDTIME);
685 OLDTIME = TIME.tv_sec;
687 if ((TIME.tv_sec % 3600) == 0)
689 Users->GarbageCollect();
690 FOREACH_MOD(OnGarbageCollect, ());
693 Timers.TickTimers(TIME.tv_sec);
694 Users->DoBackgroundUserStuff();
696 if ((TIME.tv_sec % 5) == 0)
698 FOREACH_MOD(OnBackgroundTimer, (TIME.tv_sec));
699 SNO->FlushSnotices();
703 /* Call the socket engine to wait on the active
704 * file descriptors. The socket engine has everything's
705 * descriptors in its list... dns, modules, users,
706 * servers... so its nice and easy, just one call.
707 * This will cause any read or write events to be
708 * dispatched to their handlers.
710 SocketEngine::DispatchTrialWrites();
711 SocketEngine::DispatchEvents();
713 /* if any users were quit, take them out */
719 this->SignalHandler(s_signal);
725 sig_atomic_t InspIRCd::s_signal = 0;
727 void InspIRCd::SetSignal(int signal)
732 /* On posix systems, the flow of the program starts right here, with
733 * ENTRYPOINT being a #define that defines main(). On Windows, ENTRYPOINT
734 * defines smain() and the real main() is in the service code under
735 * win32service.cpp. This allows the service control manager to control
736 * the process where we are running as a windows service.
740 new InspIRCd(argc, argv);
741 ServerInstance->Run();
742 delete ServerInstance;