1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2007 InspIRCd Development Team
6 * See: http://www.inspircd.org/wiki/index.php/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
20 #include <sys/resource.h>
24 /* Some systems don't define RUSAGE_SELF. This should fix them. */
32 #include "socketengine.h"
33 #include "inspircd_se_config.h"
35 #include "command_parse.h"
36 #include "exitcodes.h"
39 using irc::sockets::insp_ntoa;
40 using irc::sockets::insp_inaddr;
41 using irc::sockets::insp_sockaddr;
47 /* Burlex: Moved from exitcodes.h -- due to duplicate symbols */
48 const char* ExitCodes[] =
51 "DIE command", /* 1 */
52 "execv() failed", /* 2 */
53 "Internal error", /* 3 */
54 "Config file error", /* 4 */
55 "Logfile error", /* 5 */
56 "POSIX fork failed", /* 6 */
57 "Bad commandline parameters", /* 7 */
58 "No ports could be bound", /* 8 */
59 "Can't write PID file", /* 9 */
60 "SocketEngine could not initialize", /* 10 */
61 "Refusing to start up as root", /* 11 */
62 "Found a <die> tag!", /* 12 */
63 "Couldn't load module on startup", /* 13 */
64 "Could not create windows forked process", /* 14 */
65 "Received SIGTERM", /* 15 */
68 void InspIRCd::Cleanup()
70 std::vector<std::string> mymodnames;
71 int MyModCount = this->GetModuleCount();
75 for (unsigned int i = 0; i < Config->ports.size(); i++)
77 /* This calls the constructor and closes the listening socket */
78 delete Config->ports[i];
81 Config->ports.clear();
84 /* Close all client sockets, or the new process inherits them */
85 for (std::vector<userrec*>::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++)
87 (*i)->SetWriteError("Server shutdown");
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.
95 for (int tries = 0; tries < 3; tries++)
97 MyModCount = this->GetModuleCount();
102 /* Unload all modules, so they get a chance to clean up their listeners */
103 for (int j = 0; j <= MyModCount; j++)
104 mymodnames.push_back(Config->module_names[j]);
106 for (int k = 0; k <= MyModCount; k++)
107 this->UnloadModule(mymodnames[k].c_str());
113 this->Logger->Close();
115 /* Cleanup Server Names */
116 for(servernamelist::iterator itr = servernames.begin(); itr != servernames.end(); ++itr)
120 void InspIRCd::Restart(const std::string &reason)
122 /* SendError flushes each client's queue,
123 * regardless of writeability state
125 this->SendError(reason);
129 /* Figure out our filename (if theyve renamed it, we're boned) */
133 char module[MAX_PATH];
134 if (GetModuleFileName(NULL, module, MAX_PATH))
137 me = Config->MyDir + "/inspircd";
140 if (execv(me.c_str(), Config->argv) == -1)
142 /* Will raise a SIGABRT if not trapped */
143 throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno));
147 void InspIRCd::ResetMaxBans()
149 for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++)
150 i->second->ResetMaxBans();
153 /** Because hash_map doesnt free its buckets when we delete items (this is a 'feature')
154 * we must occasionally rehash the hash (yes really).
155 * We do this by copying the entries from the old hash to a new hash, causing all
156 * empty buckets to be weeded out of the hash. We dont do this on a timer, as its
157 * very expensive, so instead we do it when the user types /REHASH and expects a
158 * short delay anyway.
160 void InspIRCd::RehashUsersAndChans()
162 user_hash* old_users = this->clientlist;
163 user_hash* old_uuid = this->uuidlist;
164 chan_hash* old_chans = this->chanlist;
166 this->clientlist = new user_hash();
167 this->uuidlist = new user_hash();
168 this->chanlist = new chan_hash();
170 for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++)
171 this->clientlist->insert(*n);
175 for (user_hash::const_iterator n = old_uuid->begin(); n != old_uuid->end(); n++)
176 this->uuidlist->insert(*n);
180 for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++)
181 this->chanlist->insert(*n);
186 void InspIRCd::CloseLog()
189 this->Logger->Close();
192 void InspIRCd::SetSignals()
195 signal(SIGALRM, SIG_IGN);
196 signal(SIGHUP, InspIRCd::SetSignal);
197 signal(SIGPIPE, SIG_IGN);
198 signal(SIGCHLD, SIG_IGN);
200 signal(SIGTERM, InspIRCd::SetSignal);
203 void InspIRCd::QuickExit(int status)
208 bool InspIRCd::DaemonSeed()
211 printf_c("InspIRCd Process ID: \033[1;32m%lu\033[0m\n", GetCurrentProcessId());
214 signal(SIGTERM, InspIRCd::QuickExit);
217 if ((childpid = fork ()) < 0)
219 else if (childpid > 0)
221 /* We wait here for the child process to kill us,
222 * so that the shell prompt doesnt come back over
224 * Sending a kill with a signal of 0 just checks
225 * if the child pid is still around. If theyre not,
226 * they threw an error and we should give up.
228 while (kill(childpid, 0) != -1)
234 printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
236 signal(SIGTERM, InspIRCd::SetSignal);
239 if (getrlimit(RLIMIT_CORE, &rl) == -1)
241 this->Log(DEFAULT,"Failed to getrlimit()!");
246 rl.rlim_cur = rl.rlim_max;
247 if (setrlimit(RLIMIT_CORE, &rl) == -1)
248 this->Log(DEFAULT,"setrlimit() failed, cannot increase coredump size.");
255 void InspIRCd::WritePID(const std::string &filename)
257 std::string fname = (filename.empty() ? "inspircd.pid" : filename);
258 if (*(fname.begin()) != '/')
260 std::string::size_type pos;
261 std::string confpath = this->ConfigFileName;
262 if ((pos = confpath.rfind("/")) != std::string::npos)
264 /* Leaves us with just the path */
265 fname = confpath.substr(0, pos) + std::string("/") + fname;
268 std::ofstream outfile(fname.c_str());
269 if (outfile.is_open())
276 printf("Failed to write PID-file '%s', exiting.\n",fname.c_str());
277 this->Log(DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str());
278 Exit(EXIT_STATUS_PID);
282 InspIRCd::InspIRCd(int argc, char** argv)
286 /* Functor initialisation. Note that the ordering here is very important. */
287 HandleProcessUser(this),
290 HandleFindDescriptor(this),
291 HandleFloodQuitUser(this),
293 /* Functor pointer initialisation. Must match the order of the list above */
294 ProcessUser(&HandleProcessUser),
295 IsNick(&HandleIsNick),
296 IsIdent(&HandleIsIdent),
297 FindDescriptor(&HandleFindDescriptor),
298 FloodQuitUser(&HandleFloodQuitUser)
304 int do_version = 0, do_nofork = 0, do_debug = 0, do_nolog = 0, do_root = 0; /* flag variables */
309 memset(&server, 0, sizeof(server));
310 memset(&client, 0, sizeof(client));
312 SocketEngineFactory* SEF = new SocketEngineFactory();
313 SE = SEF->Create(this);
318 this->unregistered_count = 0;
320 this->clientlist = new user_hash();
321 this->uuidlist = new user_hash();
322 this->chanlist = new chan_hash();
324 this->Config = new ServerConfig(this);
326 this->Config->argv = argv;
327 this->Config->argc = argc;
329 if (chdir(Config->GetFullProgDir().c_str()))
331 printf("Unable to change to my directory: %s\nAborted.", strerror(errno));
335 this->Config->opertypes.clear();
336 this->Config->operclass.clear();
337 this->SNO = new SnomaskManager(this);
338 this->TIME = this->OLDTIME = this->startup_time = time(NULL);
339 this->time_delta = 0;
340 this->next_call = this->TIME + 3;
343 *this->LogFileName = 0;
344 strlcpy(this->ConfigFileName, CONFIG_FILE, MAXBUF);
346 struct option longopts[] =
348 { "nofork", no_argument, &do_nofork, 1 },
349 { "logfile", required_argument, NULL, 'f' },
350 { "config", required_argument, NULL, 'c' },
351 { "debug", no_argument, &do_debug, 1 },
352 { "nolog", no_argument, &do_nolog, 1 },
353 { "runasroot", no_argument, &do_root, 1 },
354 { "version", no_argument, &do_version, 1 },
358 while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1)
363 /* Log filename was set */
364 strlcpy(LogFileName, optarg, MAXBUF);
367 /* Config filename was set */
368 strlcpy(ConfigFileName, optarg, MAXBUF);
371 /* getopt_long_only() set an int variable, just keep going */
374 /* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */
375 printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile <filename>] [--runasroot] [--version] [--config <config>]\n", argv[0]);
376 Exit(EXIT_STATUS_ARGV);
383 printf("\n%s r%s\n", VERSION, REVISION);
384 Exit(EXIT_STATUS_NOERROR);
392 DWORD ExitCode = WindowsForkStart(this);
399 WSAStartup(MAKEWORD(2,0), &wsadata);
401 ChangeWindowsSpecificPointers(this);
403 if (!ServerConfig::FileExists(this->ConfigFileName))
405 printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName);
406 this->Log(DEFAULT,"Unable to open config file %s", this->ConfigFileName);
407 Exit(EXIT_STATUS_CONFIG);
410 printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
411 printf_c("(C) InspIRCd Development Team.\033[0m\n\n");
412 printf_c("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, peavey, Burlex\033[0m\n");
413 printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
415 /* Set the finished argument values */
416 Config->nofork = do_nofork;
417 Config->forcedebug = do_debug;
418 Config->writelog = !do_nolog;
420 strlcpy(Config->MyExecutable,argv[0],MAXBUF);
422 if (!this->OpenLog(argv, argc))
424 printf("ERROR: Could not open logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno));
425 Exit(EXIT_STATUS_LOG);
428 this->stats = new serverstats();
429 this->Timers = new TimerManager(this);
430 this->Parser = new CommandParser(this);
431 this->XLines = new XLineManager(this);
432 Config->ClearStack();
433 Config->Read(true, NULL);
436 * Initialise UID. XXX, we need to read SID from config, and use it instead of 000.
437 * For an explanation as to exactly how this works, and why it works this way, see GetUID().
450 for (const char* x = Config->ServerName; *x; ++x)
452 for (const char* y = Config->ServerDesc; *y; ++y)
458 current_uid[0] = sid / 100 + 48;
459 current_uid[1] = ((sid / 10) % 10) + 48;
460 current_uid[2] = sid % 10 + 48;
463 for(i = 3; i < UUID_LENGTH - 1; i++)
464 current_uid[i] = 'A';
466 /* set up fake client */
467 this->FakeClient = new userrec(this);
468 this->FakeClient->SetFd(FD_MAGIC_NUMBER);
474 printf("* WARNING * WARNING * WARNING * WARNING * WARNING * \n\n");
475 printf("YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED\n");
476 printf("AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED\n");
477 printf("OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR\n");
478 printf("SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN\n");
479 printf("TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART\n");
480 printf("THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!\n");
481 printf("\nInspIRCd starting in 20 seconds, ctrl+c to abort...\n");
489 if (!this->DaemonSeed())
491 printf("ERROR: could not go into daemon mode. Shutting down.\n");
492 Log(DEFAULT,"ERROR: could not go into daemon mode. Shutting down.");
493 Exit(EXIT_STATUS_FORK);
497 SE->RecoverFromFork();
499 this->Modes = new ModeParser(this);
500 this->AddServerName(Config->ServerName);
502 int bounditems = BindPorts(true, found_ports, pl);
504 for(int t = 0; t < 255; t++)
505 Config->global_implementation[t] = 0;
507 memset(&Config->implement_lists,0,sizeof(Config->implement_lists));
511 this->Res = new DNS(this);
513 this->LoadAllModules();
514 /* Just in case no modules were loaded - fix for bug #101 */
515 this->BuildISupport();
516 InitializeDisabledCommands(Config->DisabledCommands, this);
518 if ((Config->ports.size() == 0) && (found_ports > 0))
520 printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
521 Log(DEFAULT,"ERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?");
522 Exit(EXIT_STATUS_BIND);
525 if (Config->ports.size() != (unsigned int)found_ports)
527 printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n", bounditems, found_ports);
528 printf("The following port(s) failed to bind:\n");
530 for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
532 printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
538 if (kill(getppid(), SIGTERM) == -1)
540 printf("Error killing parent process: %s\n",strerror(errno));
541 Log(DEFAULT,"Error killing parent process: %s",strerror(errno));
545 if (isatty(0) && isatty(1) && isatty(2))
547 /* We didn't start from a TTY, we must have started from a background process -
548 * e.g. we are restarting, or being launched by cron. Dont kill parent, and dont
559 Log(DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
563 WindowsIPC = new IPC(this);
566 WindowsForkKillOwner(this);
571 printf("\nInspIRCd is now running!\n");
572 Log(DEFAULT,"Startup complete.");
574 this->WritePID(Config->PID);
577 void InspIRCd::DoOneIteration(bool process_module_sockets)
582 static time_t uptime;
583 static struct tm * stime;
584 static char window_title[100];
587 /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
588 * Once per loop iteration is pleanty.
593 /* Run background module timers every few seconds
594 * (the docs say modules shouldnt rely on accurate
595 * timing using this event, so we dont have to
596 * time this exactly).
601 WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME));
602 if ((TIME % 3600) == 0)
604 this->RehashUsersAndChans();
605 FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect());
607 Timers->TickTimers(TIME);
608 this->DoBackgroundUserStuff(TIME);
612 XLines->expire_lines();
613 FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
614 Timers->TickMissedTimers(TIME);
617 /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */
618 if (!getrusage(RUSAGE_SELF, &ru))
620 gettimeofday(&this->stats->LastSampled, NULL);
621 this->stats->LastCPU = ru.ru_utime;
628 uptime = Time() - startup_time;
629 stime = gmtime(&uptime);
630 snprintf(window_title, 100, "InspIRCd - %u clients, %u accepted connections - Up %u days, %.2u:%.2u:%.2u",
631 LocalUserCount(), stats->statsAccept, stime->tm_yday, stime->tm_hour, stime->tm_min, stime->tm_sec);
632 SetConsoleTitle(window_title);
637 /* Call the socket engine to wait on the active
638 * file descriptors. The socket engine has everything's
639 * descriptors in its list... dns, modules, users,
640 * servers... so its nice and easy, just one call.
641 * This will cause any read or write events to be
642 * dispatched to their handlers.
644 this->SE->DispatchEvents();
646 /* if any users was quit, take them out */
647 this->GlobalCulls.Apply();
649 /* If any inspsockets closed, remove them */
650 this->InspSocketCull();
654 this->SignalHandler(s_signal);
660 void InspIRCd::InspSocketCull()
662 for (std::map<InspSocket*,InspSocket*>::iterator x = SocketCull.begin(); x != SocketCull.end(); ++x)
664 SE->DelFd(x->second);
675 DoOneIteration(true);
677 /* This is never reached -- we hope! */
681 /**********************************************************************************/
684 * An ircd in four lines! bwahahaha. ahahahahaha. ahahah *cough*.
687 int main(int argc, char** argv)
689 SI = new InspIRCd(argc, argv);
690 mysig = &SI->s_signal;
696 /* this returns true when all modules are satisfied that the user should be allowed onto the irc server
697 * (until this returns true, a user will block in the waiting state, waiting to connect up to the
698 * registration timeout maximum seconds)
700 bool InspIRCd::AllModulesReportReady(userrec* user)
702 if (!Config->global_implementation[I_OnCheckReady])
705 for (int i = 0; i <= this->GetModuleCount(); i++)
707 if (Config->implement_lists[i][I_OnCheckReady])
709 int res = modules[i]->OnCheckReady(user);
717 int InspIRCd::GetModuleCount()
719 return this->ModCount;
722 time_t InspIRCd::Time(bool delta)
725 return TIME + time_delta;
729 int InspIRCd::SetTimeDelta(int delta)
731 int old = time_delta;
733 this->Log(DEBUG, "Time delta set to %d (was %d)", time_delta, old);
737 void InspIRCd::AddLocalClone(userrec* user)
739 clonemap::iterator x = local_clones.find(user->GetIPString());
740 if (x != local_clones.end())
743 local_clones[user->GetIPString()] = 1;
746 void InspIRCd::AddGlobalClone(userrec* user)
748 clonemap::iterator y = global_clones.find(user->GetIPString());
749 if (y != global_clones.end())
752 global_clones[user->GetIPString()] = 1;
755 int InspIRCd::GetTimeDelta()
760 void InspIRCd::SetSignal(int signal)