X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspircd.cpp;h=5d4d8081f02772909c4b1a5cd934fc16da05bf43;hb=0ca92e252e5a22f3378f1a6d621fee878fcbf09d;hp=72214dd1e22423e27973c4f021645f6e0598f8da;hpb=f5dec3851486de3129bebbdbabecffc40cf182ac;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/inspircd.cpp b/src/inspircd.cpp index 72214dd1e..5d4d8081f 100644 --- a/src/inspircd.cpp +++ b/src/inspircd.cpp @@ -1,23 +1,35 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2008 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * Copyright (C) 2012 William Pitcock + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2003-2008 Craig Edwards + * Copyright (C) 2008 Uli Schlachter + * Copyright (C) 2006-2008 Robin Burchell + * Copyright (C) 2006-2007 Oliver Lupton + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2007 Burlex + * Copyright (C) 2003 Craig McLure + * Copyright (C) 2003 randomdan * - * This program is free but copyrighted software; see - * the file COPYING for details. + * This file is part of InspIRCd. InspIRCd is free software: you can + * redistribute it and/or modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. * - * --------------------------------------------------- + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . */ -/* w00t was here. ;p */ -/* $Install: src/inspircd $(BINPATH) */ #include "inspircd.h" #include -#ifndef WIN32 +#ifndef _WIN32 #include #include #include @@ -29,31 +41,29 @@ #define RUSAGE_SELF 0 #endif - /* CRT memory debugging */ - #ifdef DEBUG - #define _CRTDBG_MAP_ALLOC - #include - #include - #endif + #include // setuid + #include // setgid +#else + WORD g_wOriginalColors; + WORD g_wBackgroundColor; + HANDLE g_hStdout; #endif #include +#include #include "xline.h" -#include "bancache.h" -#include "socketengine.h" -#include "inspircd_se_config.h" -#include "socket.h" -#include "command_parse.h" #include "exitcodes.h" -#include "caller.h" #include "testsuite.h" -using irc::sockets::insp_ntoa; -using irc::sockets::insp_inaddr; -using irc::sockets::insp_sockaddr; +InspIRCd* ServerInstance = NULL; -InspIRCd* SI = NULL; -int* mysig = NULL; +/** Seperate from the other casemap tables so that code *can* still exclusively rely on RFC casemapping + * if it must. + * + * This is provided as a pointer so that modules can change it to their custom mapping tables, + * e.g. for national character support. + */ +unsigned const char *national_case_insensitive_map = rfc_case_insensitive_map; /* Moved from exitcodes.h -- due to duplicate symbols -- Burlex @@ -61,258 +71,95 @@ int* mysig = NULL; */ const char* ExitCodes[] = { - "No error", /* 0 */ - "DIE command", /* 1 */ - "execv() failed", /* 2 */ - "Internal error", /* 3 */ - "Config file error", /* 4 */ - "Logfile error", /* 5 */ - "POSIX fork failed", /* 6 */ - "Bad commandline parameters", /* 7 */ - "No ports could be bound", /* 8 */ - "Can't write PID file", /* 9 */ - "SocketEngine could not initialize", /* 10 */ - "Refusing to start up as root", /* 11 */ - "Found a tag!", /* 12 */ - "Couldn't load module on startup", /* 13 */ - "Could not create windows forked process", /* 14 */ - "Received SIGTERM", /* 15 */ + "No error", // 0 + "DIE command", // 1 + "Config file error", // 2 + "Logfile error", // 3 + "POSIX fork failed", // 4 + "Bad commandline parameters", // 5 + "Can't write PID file", // 6 + "SocketEngine could not initialize", // 7 + "Refusing to start up as root", // 8 + "Couldn't load module on startup", // 9 + "Received SIGTERM" // 10 }; -void InspIRCd::Cleanup() -{ - if (Config) - { - for (unsigned int i = 0; i < Config->ports.size(); i++) - { - /* This calls the constructor and closes the listening socket */ - delete Config->ports[i]; - } - - Config->ports.clear(); - } - - /* Close all client sockets, or the new process inherits them */ - for (std::vector::const_iterator i = this->Users->local_users.begin(); i != this->Users->local_users.end(); i++) - { - (*i)->SetWriteError("Server shutdown"); - (*i)->CloseSocket(); - } - - /* We do this more than once, so that any service providers get a - * chance to be unhooked by the modules using them, but then get - * a chance to be removed themsleves. - * - * XXX there may be a better way to do this with 1.2 - */ - for (int tries = 0; tries < 3; tries++) - { - std::vector module_names = Modules->GetAllModuleNames(0); - for (std::vector::iterator k = module_names.begin(); k != module_names.end(); ++k) - { - /* Unload all modules, so they get a chance to clean up their listeners */ - this->Modules->Unload(k->c_str()); - } - } - /* Remove core commands */ - Parser->RemoveCommands(""); - - /* Cleanup Server Names */ - for(servernamelist::iterator itr = servernames.begin(); itr != servernames.end(); ++itr) - delete (*itr); - - /* Delete objects dynamically allocated in constructor - * (destructor would be more appropriate, but we're likely exiting) - */ - - // Must be deleted before modes as it decrements modelines - if (this->Users) - { - delete this->Users; - this->Users = 0; - } - - if (this->Modes) - { - delete this->Modes; - this->Modes = 0; - } - - if (this->XLines) - { - delete this->XLines; - this->XLines = 0; - } - - if (this->Parser) - { - delete this->Parser; - this->Parser = 0; - - if (this->stats) - { - delete this->stats; - this->stats = 0; - } - - if (this->Modules) - { - delete this->Modules; - this->Modules = 0; - } - - if (this->BanCache) - delete this->BanCache; - this->BanCache = 0; - } - - if (this->SNO) - { - delete this->SNO; - this->SNO = 0; - } - - if (this->Config) - { - delete this->Config; - this->Config = 0; - } - - if (this->Res) - { - delete this->Res; - this->Res = 0; - } - - if (this->chanlist) - { - delete chanlist; - chanlist = 0; - } - - if (this->PI) - { - delete this->PI; - this->PI = 0; - } - - if (this->Threads) - { - delete this->Threads; - this->Threads = 0; - } - - /* Needs to be deleted after Res, DNS has a timer */ - if (this->Timers) - { - delete this->Timers; - this->Timers = 0; - } - - /* Close logging */ - this->Logs->CloseLogs(); - - if (this->Logs) - { - delete this->Logs; - this->Logs = 0; - } -} - -void InspIRCd::Restart(const std::string &reason) -{ - /* SendError flushes each client's queue, - * regardless of writeability state - */ - this->SendError(reason); - - /* Figure out our filename (if theyve renamed it, we're boned) */ - std::string me; - -#ifdef WINDOWS - char module[MAX_PATH]; - if (GetModuleFileName(NULL, module, MAX_PATH)) - me = module; -#else - me = Config->MyDir + "/inspircd"; +#ifdef INSPIRCD_ENABLE_TESTSUITE +/** True if we have been told to run the testsuite from the commandline, + * rather than entering the mainloop. + */ +static int do_testsuite = 0; #endif - char** argv = Config->argv; - - this->Cleanup(); - - if (execv(me.c_str(), argv) == -1) - { - /* Will raise a SIGABRT if not trapped */ - throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno)); - } -} - -void InspIRCd::ResetMaxBans() +template static void DeleteZero(T*&n) { - for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++) - i->second->ResetMaxBans(); + T* t = n; + n = NULL; + delete t; } -/** Because hash_map doesnt free its buckets when we delete items (this is a 'feature') - * we must occasionally rehash the hash (yes really). - * We do this by copying the entries from the old hash to a new hash, causing all - * empty buckets to be weeded out of the hash. We dont do this on a timer, as its - * very expensive, so instead we do it when the user types /REHASH and expects a - * short delay anyway. - */ -void InspIRCd::RehashUsersAndChans() +void InspIRCd::Cleanup() { - user_hash* old_users = this->Users->clientlist; - user_hash* old_uuid = this->Users->uuidlist; - chan_hash* old_chans = this->chanlist; - - this->Users->clientlist = new user_hash(); - this->Users->uuidlist = new user_hash(); - this->chanlist = new chan_hash(); - - for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++) - this->Users->clientlist->insert(*n); - - delete old_users; - - for (user_hash::const_iterator n = old_uuid->begin(); n != old_uuid->end(); n++) - this->Users->uuidlist->insert(*n); - - delete old_uuid; + // Close all listening sockets + for (unsigned int i = 0; i < ports.size(); i++) + { + ports[i]->cull(); + delete ports[i]; + } + ports.clear(); - for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++) - this->chanlist->insert(*n); + GlobalCulls.Apply(); + Modules->UnloadAll(); - delete old_chans; + /* Delete objects dynamically allocated in constructor (destructor would be more appropriate, but we're likely exiting) */ + /* Must be deleted before modes as it decrements modelines */ + if (FakeClient) + { + delete FakeClient->server; + FakeClient->cull(); + } + DeleteZero(this->FakeClient); + DeleteZero(this->XLines); + DeleteZero(this->Config); + SocketEngine::Deinit(); + Logs->CloseLogs(); } void InspIRCd::SetSignals() { -#ifndef WIN32 +#ifndef _WIN32 signal(SIGALRM, SIG_IGN); signal(SIGHUP, InspIRCd::SetSignal); signal(SIGPIPE, SIG_IGN); signal(SIGCHLD, SIG_IGN); + /* We want E2BIG not a signal! */ + signal(SIGXFSZ, SIG_IGN); #endif signal(SIGTERM, InspIRCd::SetSignal); } void InspIRCd::QuickExit(int status) +{ + exit(status); +} + +// Required for returning the proper value of EXIT_SUCCESS for the parent process +static void VoidSignalHandler(int signalreceived) { exit(0); } bool InspIRCd::DaemonSeed() { -#ifdef WINDOWS - printf_c("InspIRCd Process ID: \033[1;32m%lu\033[0m\n", GetCurrentProcessId()); +#ifdef _WIN32 + std::cout << "InspIRCd Process ID: " << con_green << GetCurrentProcessId() << con_reset << std::endl; return true; #else - signal(SIGTERM, InspIRCd::QuickExit); + // Do not use QuickExit here: It will exit with status SIGTERM which would break e.g. daemon scripts + signal(SIGTERM, VoidSignalHandler); - int childpid; - if ((childpid = fork ()) < 0) + int childpid = fork(); + if (childpid < 0) return false; else if (childpid > 0) { @@ -328,42 +175,31 @@ bool InspIRCd::DaemonSeed() exit(0); } setsid (); - umask (007); - printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid()); + std::cout << "InspIRCd Process ID: " << con_green << getpid() << con_reset << std::endl; signal(SIGTERM, InspIRCd::SetSignal); rlimit rl; if (getrlimit(RLIMIT_CORE, &rl) == -1) { - this->Logs->Log("STARTUP",DEFAULT,"Failed to getrlimit()!"); + this->Logs->Log("STARTUP", LOG_DEFAULT, "Failed to getrlimit()!"); return false; } - else - { - rl.rlim_cur = rl.rlim_max; - if (setrlimit(RLIMIT_CORE, &rl) == -1) - this->Logs->Log("STARTUP",DEFAULT,"setrlimit() failed, cannot increase coredump size."); - } + rl.rlim_cur = rl.rlim_max; + + if (setrlimit(RLIMIT_CORE, &rl) == -1) + this->Logs->Log("STARTUP", LOG_DEFAULT, "setrlimit() failed, cannot increase coredump size."); return true; #endif } -void InspIRCd::WritePID(const std::string &filename) +void InspIRCd::WritePID(const std::string& filename, bool exitonfail) { - std::string fname = (filename.empty() ? "inspircd.pid" : filename); - std::replace(fname.begin(), fname.end(), '\\', '/'); - if ((fname[0] != '/') && (!Config->StartsWithWindowsDriveLetter(filename))) - { - std::string::size_type pos; - std::string confpath = this->ConfigFileName; - if ((pos = confpath.rfind("/")) != std::string::npos) - { - /* Leaves us with just the path */ - fname = confpath.substr(0, pos) + std::string("/") + fname; - } - } +#ifndef _WIN32 + std::string fname(filename); + if (fname.empty()) + fname = ServerInstance->Config->Paths.PrependData("inspircd.pid"); std::ofstream outfile(fname.c_str()); if (outfile.is_open()) { @@ -372,455 +208,469 @@ void InspIRCd::WritePID(const std::string &filename) } else { - printf("Failed to write PID-file '%s', exiting.\n",fname.c_str()); - this->Logs->Log("STARTUP",DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str()); - Exit(EXIT_STATUS_PID); + if (exitonfail) + std::cout << "Failed to write PID-file '" << fname << "', exiting." << std::endl; + this->Logs->Log("STARTUP", LOG_DEFAULT, "Failed to write PID-file '%s'%s", fname.c_str(), (exitonfail ? ", exiting." : "")); + if (exitonfail) + Exit(EXIT_STATUS_PID); } +#endif } -InspIRCd::InspIRCd(int argc, char** argv) - : GlobalCulls(this), +InspIRCd::InspIRCd(int argc, char** argv) : + ConfigFileName(INSPIRCD_CONFIG_PATH "/inspircd.conf"), + PI(&DefaultProtocolInterface), - /* Functor initialisation. Note that the ordering here is very important. - * - * THIS MUST MATCH ORDER OF DECLARATION OF THE HandleWhateverFunc classes - * within class InspIRCd. - */ - HandleProcessUser(this), - HandleIsNick(this), - HandleIsIdent(this), - HandleFindDescriptor(this), - HandleFloodQuitUser(this), - HandleIsChannel(this), - HandleIsSID(this), - HandleRehash(this), - - /* Functor pointer initialisation. Must match the order of the list above + /* Functor pointer initialisation. * * THIS MUST MATCH THE ORDER OF DECLARATION OF THE FUNCTORS, e.g. the methods * themselves within the class. */ - ProcessUser(&HandleProcessUser), + OperQuit("operquit", ExtensionItem::EXT_USER, NULL), + GenRandom(&HandleGenRandom), IsChannel(&HandleIsChannel), - IsSID(&HandleIsSID), - Rehash(&HandleRehash), IsNick(&HandleIsNick), IsIdent(&HandleIsIdent), - FindDescriptor(&HandleFindDescriptor), - FloodQuitUser(&HandleFloodQuitUser) - + OnCheckExemption(&HandleOnCheckExemption) { -#ifdef WIN32 - // Strict, frequent checking of memory on debug builds - _CrtSetDbgFlag ( _CRTDBG_CHECK_ALWAYS_DF | _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF ); - - // Avoid erroneous frees on early exit - WindowsIPC = 0; -#endif - int found_ports = 0; + ServerInstance = this; + + Extensions.Register(&OperQuit); + FailedPortList pl; + // Flag variables passed to getopt_long() later int do_version = 0, do_nofork = 0, do_debug = 0, - do_nolog = 0, do_root = 0, do_testsuite = 0; /* flag variables */ - char c = 0; + do_nolog = 0, do_root = 0; // Initialize so that if we exit before proper initialization they're not deleted - this->Logs = 0; - this->Threads = 0; - this->PI = 0; - this->Users = 0; - this->chanlist = 0; this->Config = 0; - this->SNO = 0; - this->BanCache = 0; - this->Modules = 0; - this->stats = 0; - this->Timers = 0; - this->Parser = 0; this->XLines = 0; - this->Modes = 0; - this->Res = 0; - - - memset(&server, 0, sizeof(server)); - memset(&client, 0, sizeof(client)); - - // This must be created first, so other parts of Insp can use it while starting up - this->Logs = new LogManager(this); - - SocketEngineFactory* SEF = new SocketEngineFactory(); - SE = SEF->Create(this); - delete SEF; - - ThreadEngineFactory* tef = new ThreadEngineFactory(); - this->Threads = tef->Create(this); - delete tef; + this->ConfigThread = NULL; + this->FakeClient = NULL; - /* Default implementation does nothing */ - this->PI = new ProtocolInterface(this); + UpdateTime(); + this->startup_time = TIME.tv_sec; - this->s_signal = 0; - - // Create base manager classes early, so nothing breaks - this->Users = new UserManager(this); - - this->Users->unregistered_count = 0; + SocketEngine::Init(); - this->Users->clientlist = new user_hash(); - this->Users->uuidlist = new user_hash(); - this->chanlist = new chan_hash(); + this->Config = new ServerConfig; + dynamic_reference_base::reset_all(); + this->XLines = new XLineManager; - this->Config = new ServerConfig(this); - this->SNO = new SnomaskManager(this); - this->BanCache = new BanCacheManager(this); - this->Modules = new ModuleManager(this); - this->stats = new serverstats(); - this->Timers = new TimerManager(this); - this->Parser = new CommandParser(this); - this->XLines = new XLineManager(this); + this->Config->cmdline.argv = argv; + this->Config->cmdline.argc = argc; - this->Config->argv = argv; - this->Config->argc = argc; +#ifdef _WIN32 + srand(TIME.tv_nsec ^ TIME.tv_sec); - if (chdir(Config->GetFullProgDir().c_str())) + // Initialize the console values + g_hStdout = GetStdHandle(STD_OUTPUT_HANDLE); + CONSOLE_SCREEN_BUFFER_INFO bufinf; + if(GetConsoleScreenBufferInfo(g_hStdout, &bufinf)) { - printf("Unable to change to my directory: %s\nAborted.", strerror(errno)); - exit(0); + g_wOriginalColors = bufinf.wAttributes & 0x00FF; + g_wBackgroundColor = bufinf.wAttributes & 0x00F0; } - - this->Config->opertypes.clear(); - this->Config->operclass.clear(); - - this->TIME = this->OLDTIME = this->startup_time = time(NULL); - srand(this->TIME); - - *this->LogFileName = 0; - strlcpy(this->ConfigFileName, CONFIG_FILE, MAXBUF); + else + { + g_wOriginalColors = FOREGROUND_RED|FOREGROUND_BLUE|FOREGROUND_GREEN; + g_wBackgroundColor = 0; + } +#else + srandom(TIME.tv_nsec ^ TIME.tv_sec); +#endif struct option longopts[] = { { "nofork", no_argument, &do_nofork, 1 }, - { "logfile", required_argument, NULL, 'f' }, { "config", required_argument, NULL, 'c' }, { "debug", no_argument, &do_debug, 1 }, { "nolog", no_argument, &do_nolog, 1 }, { "runasroot", no_argument, &do_root, 1 }, { "version", no_argument, &do_version, 1 }, +#ifdef INSPIRCD_ENABLE_TESTSUITE { "testsuite", no_argument, &do_testsuite, 1 }, +#endif { 0, 0, 0, 0 } }; - while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1) + int c; + int index; + while ((c = getopt_long(argc, argv, ":c:", longopts, &index)) != -1) { switch (c) { - case 'f': - /* Log filename was set */ - strlcpy(LogFileName, optarg, MAXBUF); - break; case 'c': /* Config filename was set */ - strlcpy(ConfigFileName, optarg, MAXBUF); + ConfigFileName = ServerInstance->Config->Paths.PrependConfig(optarg); break; case 0: /* getopt_long_only() set an int variable, just keep going */ break; + case '?': + /* Unknown parameter */ default: - /* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */ - printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile ]\n\ - [--runasroot] [--version] [--config ] [--testsuite]\n", argv[0]); + /* Fall through to handle other weird values too */ + std::cout << "Unknown parameter '" << argv[optind-1] << "'" << std::endl; + std::cout << "Usage: " << argv[0] << " [--nofork] [--nolog] [--debug] [--config ]" << std::endl << + std::string(static_cast(8+strlen(argv[0])), ' ') << "[--runasroot] [--version]" << std::endl; Exit(EXIT_STATUS_ARGV); break; } } +#ifdef INSPIRCD_ENABLE_TESTSUITE if (do_testsuite) do_nofork = do_debug = true; +#endif if (do_version) { - printf("\n%s r%s\n", VERSION, REVISION); + std::cout << std::endl << INSPIRCD_VERSION << " " << INSPIRCD_REVISION << std::endl; Exit(EXIT_STATUS_NOERROR); } -#ifdef WIN32 - - // Handle forking - if(!do_nofork) - { - DWORD ExitCode = WindowsForkStart(this); - if(ExitCode) - exit(ExitCode); - } - +#ifdef _WIN32 // Set up winsock WSADATA wsadata; - WSAStartup(MAKEWORD(2,0), &wsadata); - ChangeWindowsSpecificPointers(this); + WSAStartup(MAKEWORD(2,2), &wsadata); #endif - strlcpy(Config->MyExecutable,argv[0],MAXBUF); /* Set the finished argument values */ - Config->nofork = do_nofork; - Config->forcedebug = do_debug; - Config->writelog = !do_nolog; - Config->TestSuite = do_testsuite; + Config->cmdline.nofork = (do_nofork != 0); + Config->cmdline.forcedebug = (do_debug != 0); + Config->cmdline.writelog = !do_nolog; - if (!this->OpenLog(argv, argc)) + if (do_debug) { - printf("ERROR: Could not open logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno)); - Exit(EXIT_STATUS_LOG); + FileWriter* fw = new FileWriter(stdout); + FileLogStream* fls = new FileLogStream(LOG_RAWIO, fw); + Logs->AddLogTypes("*", fls, true); } - if (!ServerConfig::FileExists(this->ConfigFileName)) + if (!FileSystem::FileExists(ConfigFileName)) { - printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName); - this->Logs->Log("STARTUP",DEFAULT,"Unable to open config file %s", this->ConfigFileName); - Exit(EXIT_STATUS_CONFIG); - } - - printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__); - printf_c("(C) InspIRCd Development Team.\033[0m\n\n"); - printf_c("Developers:\n"); - printf_c("\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special\n"); - printf_c("\t\033[1;32mpippijn, peavey, aquanight, fez\033[0m\n\n"); - printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n"); +#ifdef _WIN32 + /* Windows can (and defaults to) hide file extensions, so let's play a bit nice for windows users. */ + std::string txtconf = this->ConfigFileName; + txtconf.append(".txt"); - Config->ClearStack(); + if (FileSystem::FileExists(txtconf)) + { + ConfigFileName = txtconf; + } + else +#endif + { + std::cout << "ERROR: Cannot open config file: " << ConfigFileName << std::endl << "Exiting..." << std::endl; + this->Logs->Log("STARTUP", LOG_DEFAULT, "Unable to open config file %s", ConfigFileName.c_str()); + Exit(EXIT_STATUS_CONFIG); + } + } - this->Modes = new ModeParser(this); + std::cout << con_green << "InspIRCd - Internet Relay Chat Daemon" << con_reset << ", compiled on " __DATE__ " at " __TIME__ << std::endl; + std::cout << "For contributors & authors: " << con_green << "See /INFO Output" << con_reset << std::endl; +#ifndef _WIN32 if (!do_root) this->CheckRoot(); else { - printf("* WARNING * WARNING * WARNING * WARNING * WARNING * \n\n"); - printf("YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED\n"); - printf("AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED\n"); - printf("OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR\n"); - printf("SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN\n"); - printf("TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART\n"); - printf("THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!\n"); - printf("\nInspIRCd starting in 20 seconds, ctrl+c to abort...\n"); + std::cout << "* WARNING * WARNING * WARNING * WARNING * WARNING *" << std::endl + << "YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED" << std::endl + << "AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED" << std::endl + << "OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR" << std::endl + << "SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN" << std::endl + << "TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART" << std::endl + << "THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!" << std::endl << std::endl + << "InspIRCd starting in 20 seconds, ctrl+c to abort..." << std::endl; sleep(20); } +#endif this->SetSignals(); - if (!Config->nofork) + if (!Config->cmdline.nofork) { if (!this->DaemonSeed()) { - printf("ERROR: could not go into daemon mode. Shutting down.\n"); - Logs->Log("STARTUP", DEFAULT, "ERROR: could not go into daemon mode. Shutting down."); + std::cout << "ERROR: could not go into daemon mode. Shutting down." << std::endl; + Logs->Log("STARTUP", LOG_DEFAULT, "ERROR: could not go into daemon mode. Shutting down."); Exit(EXIT_STATUS_FORK); } } - SE->RecoverFromFork(); + SocketEngine::RecoverFromFork(); - /* During startup we don't actually initialize this - * in the thread engine. + /* During startup we read the configuration now, not in + * a seperate thread */ - this->ConfigThread = new ConfigReaderThread(this, true, NULL); - ConfigThread->Run(); - delete ConfigThread; - this->ConfigThread = NULL; + this->Config->Read(); + this->Config->Apply(NULL, ""); + Logs->OpenFileLogs(); + ModeParser::InitBuiltinModes(); - this->Res = new DNS(this); + // If we don't have a SID, generate one based on the server name and the server description + if (Config->sid.empty()) + Config->sid = UIDGenerator::GenerateSID(Config->ServerName, Config->ServerDesc); - this->AddServerName(Config->ServerName); + // Initialize the UID generator with our sid + this->UIDGen.init(Config->sid); - /* - * Initialise SID/UID. - * For an explanation as to exactly how this works, and why it works this way, see GetUID(). - * -- w00t - */ - if (!*Config->sid) - { - // Generate one - size_t sid = 0; - - for (const char* x = Config->ServerName; *x; ++x) - sid = 5 * sid + *x; - for (const char* y = Config->ServerDesc; *y; ++y) - sid = 5 * sid + *y; - sid = sid % 999; - - Config->sid[0] = (char)(sid / 100 + 48); - Config->sid[1] = (char)(((sid / 10) % 10) + 48); - Config->sid[2] = (char)(sid % 10 + 48); - Config->sid[3] = '\0'; - } - - /* set up fake client again this time with the correct uid */ - this->FakeClient = new User(this, "#INVALID"); - this->FakeClient->SetFd(FD_MAGIC_NUMBER); + // Create the server user for this server + this->FakeClient = new FakeUser(Config->sid, Config->ServerName, Config->ServerDesc); - // Get XLine to do it's thing. - this->XLines->CheckELines(); + // This is needed as all new XLines are marked pending until ApplyLines() is called this->XLines->ApplyLines(); - CheckDie(); - int bounditems = BindPorts(true, found_ports, pl); + int bounditems = BindPorts(pl); - printf("\n"); + std::cout << std::endl; this->Modules->LoadAll(); - - /* Just in case no modules were loaded - fix for bug #101 */ - this->BuildISupport(); - InitializeDisabledCommands(Config->DisabledCommands, this); - if (Config->ports.size() != (unsigned int)found_ports) + // Build ISupport as ModuleManager::LoadAll() does not do it + this->ISupport.Build(); + Config->ApplyDisabledCommands(Config->DisabledCommands); + + if (!pl.empty()) { - printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n", bounditems, found_ports); - printf("The following port(s) failed to bind:\n"); - printf("Hint: Try using a public IP instead of blank or *\n\n"); + std::cout << std::endl << "WARNING: Not all your client ports could be bound -- " << std::endl << "starting anyway with " << bounditems + << " of " << bounditems + (int)pl.size() << " client ports bound." << std::endl << std::endl; + std::cout << "The following port(s) failed to bind:" << std::endl << std::endl; int j = 1; for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++) { - printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "" : i->first.c_str(), (unsigned long)i->second); + std::cout << j << ".\tAddress: " << (i->first.empty() ? "" : i->first) << " \tReason: " << i->second << std::endl; } + + std::cout << std::endl << "Hint: Try using a public IP instead of blank or *" << std::endl; } - printf("\nInspIRCd is now running as '%s'[%s] with %d max open sockets\n", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds()); - -#ifndef WINDOWS - if (!Config->nofork) + std::cout << "InspIRCd is now running as '" << Config->ServerName << "'[" << Config->GetSID() << "] with " << SocketEngine::GetMaxFds() << " max open sockets" << std::endl; + +#ifndef _WIN32 + if (!Config->cmdline.nofork) { if (kill(getppid(), SIGTERM) == -1) { - printf("Error killing parent process: %s\n",strerror(errno)); - Logs->Log("STARTUP", DEFAULT, "Error killing parent process: %s",strerror(errno)); + std::cout << "Error killing parent process: " << strerror(errno) << std::endl; + Logs->Log("STARTUP", LOG_DEFAULT, "Error killing parent process: %s",strerror(errno)); } } - if (isatty(0) && isatty(1) && isatty(2)) + /* Explicitly shut down stdio's stdin/stdout/stderr. + * + * The previous logic here was to only do this if stdio was connected to a controlling + * terminal. However, we must do this always to avoid information leaks and other + * problems related to stdio. + * + * The only exception is if we are in debug mode. + * + * -- nenolod + */ + if ((!do_nofork) && (!Config->cmdline.forcedebug)) { - /* We didn't start from a TTY, we must have started from a background process - - * e.g. we are restarting, or being launched by cron. Dont kill parent, and dont - * close stdin/stdout - */ - if ((!do_nofork) && (!do_testsuite)) + int fd = open("/dev/null", O_RDWR); + + fclose(stdin); + fclose(stderr); + fclose(stdout); + + if (dup2(fd, STDIN_FILENO) < 0) + Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stdin."); + if (dup2(fd, STDOUT_FILENO) < 0) + Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stdout."); + if (dup2(fd, STDERR_FILENO) < 0) + Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stderr."); + close(fd); + } + else + { + Logs->Log("STARTUP", LOG_DEFAULT, "Keeping pseudo-tty open as we are running in the foreground."); + } +#else + /* Set win32 service as running, if we are running as a service */ + SetServiceRunning(); + + // Handle forking + if(!do_nofork) + { + FreeConsole(); + } + + QueryPerformanceFrequency(&stats.QPFrequency); +#endif + + Logs->Log("STARTUP", LOG_DEFAULT, "Startup complete as '%s'[%s], %d max open sockets", Config->ServerName.c_str(),Config->GetSID().c_str(), SocketEngine::GetMaxFds()); + +#ifndef _WIN32 + std::string SetUser = Config->ConfValue("security")->getString("runasuser"); + std::string SetGroup = Config->ConfValue("security")->getString("runasgroup"); + if (!SetGroup.empty()) + { + int ret; + + // setgroups + ret = setgroups(0, NULL); + + if (ret == -1) { - fclose(stdin); - fclose(stderr); - fclose(stdout); + this->Logs->Log("STARTUP", LOG_DEFAULT, "setgroups() failed (wtf?): %s", strerror(errno)); + this->QuickExit(0); } - else + + // setgid + struct group *g; + + errno = 0; + g = getgrnam(SetGroup.c_str()); + + if (!g) { - Logs->Log("STARTUP", DEFAULT,"Keeping pseudo-tty open as we are running in the foreground."); + this->Logs->Log("STARTUP", LOG_DEFAULT, "getgrnam(%s) failed (wrong group?): %s", SetGroup.c_str(), strerror(errno)); + this->QuickExit(0); + } + + ret = setgid(g->gr_gid); + + if (ret == -1) + { + this->Logs->Log("STARTUP", LOG_DEFAULT, "setgid() failed (wrong group?): %s", strerror(errno)); + this->QuickExit(0); } } -#else - WindowsIPC = new IPC(this); - if(!Config->nofork) + + if (!SetUser.empty()) { - WindowsForkKillOwner(this); - FreeConsole(); + // setuid + struct passwd *u; + + errno = 0; + u = getpwnam(SetUser.c_str()); + + if (!u) + { + this->Logs->Log("STARTUP", LOG_DEFAULT, "getpwnam(%s) failed (wrong user?): %s", SetUser.c_str(), strerror(errno)); + this->QuickExit(0); + } + + int ret = setuid(u->pw_uid); + + if (ret == -1) + { + this->Logs->Log("STARTUP", LOG_DEFAULT, "setuid() failed (wrong user?): %s", strerror(errno)); + this->QuickExit(0); + } } + + this->WritePID(Config->PID); #endif +} - Logs->Log("STARTUP", DEFAULT, "Startup complete as '%s'[%s], %d max open sockets", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds()); +void InspIRCd::UpdateTime() +{ +#ifdef _WIN32 + SYSTEMTIME st; + GetSystemTime(&st); - this->WritePID(Config->PID); + TIME.tv_sec = time(NULL); + TIME.tv_nsec = st.wMilliseconds; +#else + #ifdef HAS_CLOCK_GETTIME + clock_gettime(CLOCK_REALTIME, &TIME); + #else + struct timeval tv; + gettimeofday(&tv, NULL); + TIME.tv_sec = tv.tv_sec; + TIME.tv_nsec = tv.tv_usec * 1000; + #endif +#endif } -int InspIRCd::Run() +void InspIRCd::Run() { +#ifdef INSPIRCD_ENABLE_TESTSUITE /* See if we're supposed to be running the test suite rather than entering the mainloop */ - if (Config->TestSuite) + if (do_testsuite) { - TestSuite* ts = new TestSuite(this); + TestSuite* ts = new TestSuite; delete ts; - Exit(0); + return; } +#endif + + UpdateTime(); + time_t OLDTIME = TIME.tv_sec; while (true) { -#ifndef WIN32 +#ifndef _WIN32 static rusage ru; -#else - static time_t uptime; - static struct tm * stime; - static char window_title[100]; #endif /* Check if there is a config thread which has finished executing but has not yet been freed */ - if (this->ConfigThread && this->ConfigThread->GetExitFlag()) + if (this->ConfigThread && this->ConfigThread->IsDone()) { /* Rehash has completed */ - this->Logs->Log("CONFIG",DEBUG,"Detected ConfigThread exiting, tidying up..."); + this->Logs->Log("CONFIG", LOG_DEBUG, "Detected ConfigThread exiting, tidying up..."); + + this->ConfigThread->Finish(); - /* IMPORTANT: This delete may hang if you fuck up your thread syncronization. - * It will hang waiting for the ConfigThread to 'join' to avoid race conditons, - * until the other thread is completed. - */ + ConfigThread->join(); delete ConfigThread; ConfigThread = NULL; - - /* These are currently not known to be threadsafe, so they are executed outside - * of the thread. It would be pretty simple to move them to the thread Run method - * once they are known threadsafe with all the correct mutexes in place. - * - * XXX: The order of these is IMPORTANT, do not reorder them without testing - * thoroughly!!! - */ - this->XLines->CheckELines(); - this->XLines->ApplyLines(); - this->Res->Rehash(); - this->ResetMaxBans(); - InitializeDisabledCommands(Config->DisabledCommands, this); - FOREACH_MOD_I(this, I_OnRehash, OnRehash(Config->RehashUser, Config->RehashParameter)); - this->BuildISupport(); } - /* time() seems to be a pretty expensive syscall, so avoid calling it too much. - * Once per loop iteration is pleanty. - */ - OLDTIME = TIME; - TIME = time(NULL); + UpdateTime(); /* Run background module timers every few seconds * (the docs say modules shouldnt rely on accurate * timing using this event, so we dont have to * time this exactly). */ - if (TIME != OLDTIME) + if (TIME.tv_sec != OLDTIME) { - if (TIME < OLDTIME) +#ifndef _WIN32 + getrusage(RUSAGE_SELF, &ru); + stats.LastSampled = TIME; + stats.LastCPU = ru.ru_utime; +#else + if(QueryPerformanceCounter(&stats.LastSampled)) { - SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %lu secs.", (unsigned long)OLDTIME-TIME); + FILETIME CreationTime; + FILETIME ExitTime; + FILETIME KernelTime; + FILETIME UserTime; + GetProcessTimes(GetCurrentProcess(), &CreationTime, &ExitTime, &KernelTime, &UserTime); + stats.LastCPU.dwHighDateTime = KernelTime.dwHighDateTime + UserTime.dwHighDateTime; + stats.LastCPU.dwLowDateTime = KernelTime.dwLowDateTime + UserTime.dwLowDateTime; } - else if (TIME != OLDTIME + 1) +#endif + + /* Allow a buffer of two seconds drift on this so that ntpdate etc dont harass admins */ + if (TIME.tv_sec < OLDTIME - 2) { - SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is jumping FORWARDS! Clock skipped %lu secs.", (unsigned long)TIME - OLDTIME); + SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %lu secs.", (unsigned long)(OLDTIME-TIME.tv_sec)); } - - if ((TIME % 3600) == 0) + else if (TIME.tv_sec > OLDTIME + 2) { - this->RehashUsersAndChans(); - FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect()); + SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is jumping FORWARDS! Clock skipped %lu secs.", (unsigned long)(TIME.tv_sec - OLDTIME)); } - Timers->TickTimers(TIME); - this->DoBackgroundUserStuff(); + OLDTIME = TIME.tv_sec; + + if ((TIME.tv_sec % 3600) == 0) + FOREACH_MOD(OnGarbageCollect, ()); - if ((TIME % 5) == 0) + Timers.TickTimers(TIME.tv_sec); + Users->DoBackgroundUserStuff(); + + if ((TIME.tv_sec % 5) == 0) { - FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME)); + FOREACH_MOD(OnBackgroundTimer, (TIME.tv_sec)); SNO->FlushSnotices(); } -#ifndef WIN32 - /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */ - if (!getrusage(RUSAGE_SELF, &ru)) - { - gettimeofday(&this->stats->LastSampled, NULL); - this->stats->LastCPU = ru.ru_utime; - } -#else - WindowsIPC->Check(); -#endif } /* Call the socket engine to wait on the active @@ -830,71 +680,38 @@ int InspIRCd::Run() * This will cause any read or write events to be * dispatched to their handlers. */ - this->SE->DispatchEvents(); + SocketEngine::DispatchTrialWrites(); + SocketEngine::DispatchEvents(); /* if any users were quit, take them out */ - this->GlobalCulls.Apply(); - - /* If any inspsockets closed, remove them */ - this->BufferedSocketCull(); + GlobalCulls.Apply(); + AtomicActions.Run(); - if (this->s_signal) + if (s_signal) { this->SignalHandler(s_signal); - this->s_signal = 0; + s_signal = 0; } } - - return 0; -} - -void InspIRCd::BufferedSocketCull() -{ - for (std::map::iterator x = SocketCull.begin(); x != SocketCull.end(); ++x) - { - this->Logs->Log("MISC",DEBUG,"Cull socket"); - SE->DelFd(x->second); - x->second->Close(); - delete x->second; - } - SocketCull.clear(); } -/**********************************************************************************/ +sig_atomic_t InspIRCd::s_signal = 0; -/** - * An ircd in five lines! bwahahaha. ahahahahaha. ahahah *cough*. - */ - -int main(int argc, char ** argv) +void InspIRCd::SetSignal(int signal) { - SI = new InspIRCd(argc, argv); - mysig = &SI->s_signal; - SI->Run(); - delete SI; - return 0; + s_signal = signal; } -/* this returns true when all modules are satisfied that the user should be allowed onto the irc server - * (until this returns true, a user will block in the waiting state, waiting to connect up to the - * registration timeout maximum seconds) +/* On posix systems, the flow of the program starts right here, with + * ENTRYPOINT being a #define that defines main(). On Windows, ENTRYPOINT + * defines smain() and the real main() is in the service code under + * win32service.cpp. This allows the service control manager to control + * the process where we are running as a windows service. */ -bool InspIRCd::AllModulesReportReady(User* user) +ENTRYPOINT { - for (EventHandlerIter i = Modules->EventHandlers[I_OnCheckReady].begin(); i != Modules->EventHandlers[I_OnCheckReady].end(); ++i) - { - if (!(*i)->OnCheckReady(user)) - return false; - } - return true; -} - -time_t InspIRCd::Time() -{ - return TIME; -} - -void InspIRCd::SetSignal(int signal) -{ - *mysig = signal; + new InspIRCd(argc, argv); + ServerInstance->Run(); + delete ServerInstance; + return 0; }