X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspircd.cpp;h=56b8178d235b733bb6c289b434d6b253c2a4a9a9;hb=d494fa6e094e85cd29235e995fb2b447d6e1f168;hp=5f7dfd06fdace1a24c9a9bddeed3e41010e12f8e;hpb=1dca8b79edf65c0e5e846cc120f1321fb0a1d15c;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/inspircd.cpp b/src/inspircd.cpp index 5f7dfd06f..56b8178d2 100644 --- a/src/inspircd.cpp +++ b/src/inspircd.cpp @@ -1,16 +1,21 @@ /* * InspIRCd -- Internet Relay Chat Daemon * - * Copyright (C) 2012 William Pitcock + * Copyright (C) 2020 Matt Schatz + * Copyright (C) 2018 Chris Novakovic + * Copyright (C) 2013, 2017-2021 Sadie Powell + * Copyright (C) 2013 Adam + * Copyright (C) 2012-2014, 2016, 2018 Attila Molnar + * Copyright (C) 2012-2013 ChrisTX + * Copyright (C) 2012 Robby + * Copyright (C) 2012 Ariadne Conill * 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) 2008-2009 Uli Schlachter + * Copyright (C) 2008 Thomas Stagner + * Copyright (C) 2007-2008 Robin Burchell * Copyright (C) 2007 Dennis Friis - * Copyright (C) 2007 Burlex - * Copyright (C) 2003 Craig McLure - * Copyright (C) 2003 randomdan + * Copyright (C) 2006-2007 Oliver Lupton + * Copyright (C) 2005-2010 Craig Edwards * * 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 @@ -30,34 +35,27 @@ #include #ifndef _WIN32 - #include #include #include - #include #include - - /* Some systems don't define RUSAGE_SELF. This should fix them. */ - #ifndef RUSAGE_SELF - #define RUSAGE_SELF 0 - #endif - #include // setuid #include // setgid #else - WORD g_wOriginalColors; - WORD g_wBackgroundColor; - HANDLE g_hStdout; + /** Manages formatting lines written to stderr on Windows. */ + WindowsStream StandardError(STD_ERROR_HANDLE); + + /** Manages formatting lines written to stdout on Windows. */ + WindowsStream StandardOutput(STD_OUTPUT_HANDLE); #endif #include #include #include "xline.h" #include "exitcodes.h" -#include "testsuite.h" InspIRCd* ServerInstance = NULL; -/** Seperate from the other casemap tables so that code *can* still exclusively rely on RFC casemapping +/** Separate 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, @@ -84,18 +82,324 @@ const char* ExitCodes[] = "Received SIGTERM" // 10 }; -#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; +namespace +{ + void VoidSignalHandler(int); + + // Warns a user running as root that they probably shouldn't. + void CheckRoot() + { +#ifndef _WIN32 + if (getegid() != 0 && geteuid() != 0) + return; + + std::cout << con_red << "Warning!" << con_reset << " You have started as root. Running as root is generally not required" << std::endl + << "and may allow an attacker to gain access to your system if they find a way to" << std::endl + << "exploit your IRC server." << std::endl + << std::endl; + if (isatty(fileno(stdout))) + { + std::cout << "InspIRCd will start in 30 seconds. If you are sure that you need to run as root" << std::endl + << "then you can pass the " << con_bright << "--runasroot" << con_reset << " option to disable this wait." << std::endl; + sleep(30); + } + else + { + std::cout << "If you are sure that you need to run as root then you can pass the " << con_bright << "--runasroot" << con_reset << std::endl + << "option to disable this error." << std::endl; + ServerInstance->Exit(EXIT_STATUS_ROOT); + } #endif + } -template static void DeleteZero(T*&n) -{ - T* t = n; - n = NULL; - delete t; + // Collects performance statistics for the STATS command. + void CollectStats() + { +#ifndef _WIN32 + static rusage ru; + if (getrusage(RUSAGE_SELF, &ru) == -1) + return; // Should never happen. + + ServerInstance->stats.LastSampled.tv_sec = ServerInstance->Time(); + ServerInstance->stats.LastSampled.tv_nsec = ServerInstance->Time_ns(); + ServerInstance->stats.LastCPU = ru.ru_utime; +#else + if (!QueryPerformanceCounter(&ServerInstance->stats.LastSampled)) + return; // Should never happen. + + FILETIME CreationTime; + FILETIME ExitTime; + FILETIME KernelTime; + FILETIME UserTime; + GetProcessTimes(GetCurrentProcess(), &CreationTime, &ExitTime, &KernelTime, &UserTime); + + ServerInstance->stats.LastCPU.dwHighDateTime = KernelTime.dwHighDateTime + UserTime.dwHighDateTime; + ServerInstance->stats.LastCPU.dwLowDateTime = KernelTime.dwLowDateTime + UserTime.dwLowDateTime; +#endif + } + + // Checks whether the server clock has skipped too much and warn about it if it has. + void CheckTimeSkip(time_t oldtime, time_t newtime) + { + if (!ServerInstance->Config->TimeSkipWarn) + return; + + time_t timediff = newtime - oldtime; + + if (timediff > ServerInstance->Config->TimeSkipWarn) + ServerInstance->SNO->WriteToSnoMask('a', "\002Performance warning!\002 Server clock jumped forwards by %lu seconds!", timediff); + + else if (timediff < -ServerInstance->Config->TimeSkipWarn) + ServerInstance->SNO->WriteToSnoMask('a', "\002Performance warning!\002 Server clock jumped backwards by %lu seconds!", labs(timediff)); + } + + // Drops to the unprivileged user/group specified in . + void DropRoot() + { +#ifndef _WIN32 + ConfigTag* security = ServerInstance->Config->ConfValue("security"); + + const std::string SetGroup = security->getString("runasgroup"); + if (!SetGroup.empty()) + { + errno = 0; + if (setgroups(0, NULL) == -1) + { + ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "setgroups() failed (wtf?): %s", strerror(errno)); + exit(EXIT_STATUS_CONFIG); + } + + struct group* g = getgrnam(SetGroup.c_str()); + if (!g) + { + ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "getgrnam(%s) failed (wrong group?): %s", SetGroup.c_str(), strerror(errno)); + exit(EXIT_STATUS_CONFIG); + } + + if (setgid(g->gr_gid) == -1) + { + ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "setgid(%d) failed (wrong group?): %s", g->gr_gid, strerror(errno)); + exit(EXIT_STATUS_CONFIG); + } + } + + const std::string SetUser = security->getString("runasuser"); + if (!SetUser.empty()) + { + errno = 0; + struct passwd* u = getpwnam(SetUser.c_str()); + if (!u) + { + ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "getpwnam(%s) failed (wrong user?): %s", SetUser.c_str(), strerror(errno)); + exit(EXIT_STATUS_CONFIG); + } + + if (setuid(u->pw_uid) == -1) + { + ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "setuid(%d) failed (wrong user?): %s", u->pw_uid, strerror(errno)); + exit(EXIT_STATUS_CONFIG); + } + } +#endif + } + + // Expands a path relative to the current working directory. + std::string ExpandPath(const char* path) + { +#ifdef _WIN32 + TCHAR configPath[MAX_PATH + 1]; + if (GetFullPathName(path, MAX_PATH, configPath, NULL) > 0) + return configPath; +#else + char configPath[PATH_MAX + 1]; + if (realpath(path, configPath)) + return configPath; +#endif + return path; + } + + // Locates a config file on the file system. + bool FindConfigFile(std::string& path) + { + if (FileSystem::FileExists(path)) + return true; + +#ifdef _WIN32 + // Windows hides file extensions by default so try appending .txt to the path + // to help users who have that feature enabled and can't create .conf files. + const std::string txtpath = path + ".txt"; + if (FileSystem::FileExists(txtpath)) + { + path.assign(txtpath); + return true; + } +#endif + return false; + } + + // Attempts to fork into the background. + void ForkIntoBackground() + { +#ifndef _WIN32 + // We use VoidSignalHandler whilst forking to avoid breaking daemon scripts + // if the parent process exits with SIGTERM (15) instead of EXIT_STATUS_NOERROR (0). + signal(SIGTERM, VoidSignalHandler); + + errno = 0; + int childpid = fork(); + if (childpid < 0) + { + ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "fork() failed: %s", strerror(errno)); + std::cout << con_red << "Error:" << con_reset << " unable to fork into background: " << strerror(errno); + ServerInstance->Exit(EXIT_STATUS_FORK); + } + else if (childpid > 0) + { + // Wait until the child process kills the parent so that the shell prompt + // doesnt display over the output. Sending a kill with a signal of 0 just + // checks that the child pid is still running. If it is not then an error + // happened and the parent should exit. + while (kill(childpid, 0) != -1) + sleep(1); + exit(EXIT_STATUS_NOERROR); + } + else + { + setsid(); + signal(SIGTERM, InspIRCd::SetSignal); + SocketEngine::RecoverFromFork(); + } +#endif + } + + // Increase the size of a core dump file to improve debugging problems. + void IncreaseCoreDumpSize() + { +#ifndef _WIN32 + errno = 0; + rlimit rl; + if (getrlimit(RLIMIT_CORE, &rl) == -1) + { + ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "Unable to increase core dump size: getrlimit(RLIMIT_CORE) failed: %s", strerror(errno)); + return; + } + + rl.rlim_cur = rl.rlim_max; + if (setrlimit(RLIMIT_CORE, &rl) == -1) + ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "Unable to increase core dump size: setrlimit(RLIMIT_CORE) failed: %s", strerror(errno)); +#endif + } + + // Parses the command line options. + void ParseOptions() + { + int do_debug = 0, do_nofork = 0, do_nolog = 0; + int do_nopid = 0, do_runasroot = 0, do_version = 0; + struct option longopts[] = + { + { "config", required_argument, NULL, 'c' }, + { "debug", no_argument, &do_debug, 1 }, + { "nofork", no_argument, &do_nofork, 1 }, + { "nolog", no_argument, &do_nolog, 1 }, + { "nopid", no_argument, &do_nopid, 1 }, + { "runasroot", no_argument, &do_runasroot, 1 }, + { "version", no_argument, &do_version, 1 }, + { 0, 0, 0, 0 } + }; + + char** argv = ServerInstance->Config->cmdline.argv; + int ret; + while ((ret = getopt_long(ServerInstance->Config->cmdline.argc, argv, ":c:", longopts, NULL)) != -1) + { + switch (ret) + { + case 0: + // A long option was specified. + break; + + case 'c': + // The -c option was specified. + ServerInstance->ConfigFileName = ExpandPath(optarg); + break; + + default: + // An unknown option was specified. + std::cout << con_red << "Error:" << con_reset << " unknown option '" << argv[optind] << "'." << std::endl + << con_bright << "Usage: " << con_reset << argv[0] << " [--config ] [--debug] [--nofork] [--nolog]" << std::endl + << std::string(strlen(argv[0]) + 8, ' ') << "[--nopid] [--runasroot] [--version]" << std::endl; + ServerInstance->Exit(EXIT_STATUS_ARGV); + break; + } + } + + if (do_version) + { + std::cout << INSPIRCD_VERSION << std::endl; + ServerInstance->Exit(EXIT_STATUS_NOERROR); + } + + // Store the relevant parsed arguments + ServerInstance->Config->cmdline.forcedebug = !!do_debug; + ServerInstance->Config->cmdline.nofork = !!do_nofork; + ServerInstance->Config->cmdline.runasroot = !!do_runasroot; + ServerInstance->Config->cmdline.writelog = !do_nolog; + ServerInstance->Config->cmdline.writepid = !do_nopid; + } + // Seeds the random number generator if applicable. + void SeedRng(timespec ts) + { +#if defined _WIN32 + srand(ts.tv_nsec ^ ts.tv_sec); +#elif !defined HAS_ARC4RANDOM_BUF + srandom(ts.tv_nsec ^ ts.tv_sec); +#endif + } + + // Sets handlers for various process signals. + void SetSignals() + { +#ifndef _WIN32 + signal(SIGALRM, SIG_IGN); + signal(SIGCHLD, SIG_IGN); + signal(SIGHUP, InspIRCd::SetSignal); + signal(SIGPIPE, SIG_IGN); + signal(SIGUSR1, SIG_IGN); + signal(SIGUSR2, SIG_IGN); + signal(SIGXFSZ, SIG_IGN); +#endif + signal(SIGTERM, InspIRCd::SetSignal); + } + + void TryBindPorts() + { + FailedPortList pl; + ServerInstance->BindPorts(pl); + + if (!pl.empty()) + { + std::cout << con_red << "Warning!" << con_reset << " Some of your listener" << (pl.size() == 1 ? "s" : "") << " failed to bind:" << std::endl + << std::endl; + + for (FailedPortList::const_iterator iter = pl.begin(); iter != pl.end(); ++iter) + { + const FailedPort& fp = *iter; + std::cout << " " << con_bright << fp.sa.str() << con_reset << ": " << strerror(fp.error) << '.' << std::endl + << " " << "Created from tag at " << fp.tag->getTagLocation() << std::endl + << std::endl; + } + + std::cout << con_bright << "Hints:" << con_reset << std::endl + << "- For TCP/IP listeners try using a public IP address in instead" << std::endl + << " of * or leaving it blank." << std::endl + << "- For UNIX socket listeners try enabling to replace old sockets." << std::endl; + } + } + + // Required for returning the proper value of EXIT_SUCCESS for the parent process. + void VoidSignalHandler(int) + { + exit(EXIT_STATUS_NOERROR); + } } void InspIRCd::Cleanup() @@ -108,6 +412,15 @@ void InspIRCd::Cleanup() } ports.clear(); + // Tell modules that we're shutting down. + const std::string quitmsg = "Server shutting down"; + FOREACH_MOD(OnShutdown, (quitmsg)); + + // Disconnect all local users + const UserManager::LocalList& list = Users.GetLocalUsers(); + while (!list.empty()) + ServerInstance->Users.QuitUser(list.front(), quitmsg); + GlobalCulls.Apply(); Modules->UnloadAll(); @@ -118,88 +431,23 @@ void InspIRCd::Cleanup() delete FakeClient->server; FakeClient->cull(); } - DeleteZero(this->FakeClient); - DeleteZero(this->XLines); - DeleteZero(this->Config); + stdalgo::delete_zero(this->FakeClient); + stdalgo::delete_zero(this->XLines); + stdalgo::delete_zero(this->Config); SocketEngine::Deinit(); Logs->CloseLogs(); } -void InspIRCd::SetSignals() +void InspIRCd::WritePID(const std::string& filename, bool exitonfail) { #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 _WIN32 - std::cout << "InspIRCd Process ID: " << con_green << GetCurrentProcessId() << con_reset << std::endl; - return true; -#else - // Do not use QuickExit here: It will exit with status SIGTERM which would break e.g. daemon scripts - signal(SIGTERM, VoidSignalHandler); - - int childpid = fork(); - if (childpid < 0) - return false; - else if (childpid > 0) + if (!ServerInstance->Config->cmdline.writepid) { - /* We wait here for the child process to kill us, - * so that the shell prompt doesnt come back over - * the output. - * Sending a kill with a signal of 0 just checks - * if the child pid is still around. If theyre not, - * they threw an error and we should give up. - */ - while (kill(childpid, 0) != -1) - sleep(1); - exit(0); - } - setsid (); - 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", LOG_DEFAULT, "Failed to getrlimit()!"); - return false; + this->Logs->Log("STARTUP", LOG_DEFAULT, "--nopid specified on command line; PID file not written."); + return; } - 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, bool exitonfail) -{ -#ifndef _WIN32 - std::string fname(filename); - if (fname.empty()) - fname = ServerInstance->Config->Paths.PrependData("inspircd.pid"); + std::string fname = ServerInstance->Config->Paths.PrependRuntime(filename.empty() ? "inspircd.pid" : filename); std::ofstream outfile(fname.c_str()); if (outfile.is_open()) { @@ -217,36 +465,25 @@ void InspIRCd::WritePID(const std::string& filename, bool exitonfail) #endif } -InspIRCd::InspIRCd(int argc, char** argv) : - ConfigFileName(INSPIRCD_CONFIG_PATH "/inspircd.conf"), - PI(&DefaultProtocolInterface), - - /* Functor pointer initialisation. - * - * THIS MUST MATCH THE ORDER OF DECLARATION OF THE FUNCTORS, e.g. the methods - * themselves within the class. - */ - GenRandom(&HandleGenRandom), - IsChannel(&DefaultIsChannel), - IsNick(&DefaultIsNick), - IsIdent(&DefaultIsIdent) +InspIRCd::InspIRCd(int argc, char** argv) + : FakeClient(NULL) + , ConfigFileName(INSPIRCD_CONFIG_PATH "/inspircd.conf") + , ConfigThread(NULL) + , Config(NULL) + , XLines(NULL) + , PI(&DefaultProtocolInterface) + , GenRandom(&DefaultGenRandom) + , IsChannel(&DefaultIsChannel) + , IsNick(&DefaultIsNick) + , IsIdent(&DefaultIsIdent) { ServerInstance = this; - 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; - - // Initialize so that if we exit before proper initialization they're not deleted - this->Config = 0; - this->XLines = 0; - this->ConfigThread = NULL; - this->FakeClient = NULL; - UpdateTime(); this->startup_time = TIME.tv_sec; + IncreaseCoreDumpSize(); + SeedRng(TIME); SocketEngine::Init(); this->Config = new ServerConfig; @@ -255,156 +492,51 @@ InspIRCd::InspIRCd(int argc, char** argv) : this->Config->cmdline.argv = argv; this->Config->cmdline.argc = argc; + ParseOptions(); -#ifdef _WIN32 - srand(TIME.tv_nsec ^ TIME.tv_sec); - - // Initialize the console values - g_hStdout = GetStdHandle(STD_OUTPUT_HANDLE); - CONSOLE_SCREEN_BUFFER_INFO bufinf; - if(GetConsoleScreenBufferInfo(g_hStdout, &bufinf)) { - g_wOriginalColors = bufinf.wAttributes & 0x00FF; - g_wBackgroundColor = bufinf.wAttributes & 0x00F0; - } - 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 }, - { "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 } - }; - - int c; - int index; - while ((c = getopt_long(argc, argv, ":c:", longopts, &index)) != -1) - { - switch (c) + ServiceProvider* provs[] = { - case 'c': - /* Config filename was set */ - ConfigFileName = ServerInstance->Config->Paths.PrependConfig(optarg); - break; - case 0: - /* getopt_long_only() set an int variable, just keep going */ - break; - case '?': - /* Unknown parameter */ - default: - /* 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) - { - std::cout << std::endl << INSPIRCD_VERSION << std::endl; - Exit(EXIT_STATUS_NOERROR); + &rfcevents.numeric, &rfcevents.join, &rfcevents.part, &rfcevents.kick, &rfcevents.quit, &rfcevents.nick, + &rfcevents.mode, &rfcevents.topic, &rfcevents.privmsg, &rfcevents.invite, &rfcevents.ping, &rfcevents.pong, + &rfcevents.error + }; + Modules.AddServices(provs, sizeof(provs)/sizeof(provs[0])); } -#ifdef _WIN32 - // Set up winsock - WSADATA wsadata; - WSAStartup(MAKEWORD(2,2), &wsadata); -#endif - - /* Set the finished argument values */ - Config->cmdline.nofork = (do_nofork != 0); - Config->cmdline.forcedebug = (do_debug != 0); - Config->cmdline.writelog = !do_nolog; + std::cout << con_green << "InspIRCd - Internet Relay Chat Daemon" << con_reset << std::endl + << "See " << con_green << "/INFO" << con_reset << " for contributors & authors" << std::endl + << std::endl; - if (do_debug) + if (Config->cmdline.forcedebug) { - FileWriter* fw = new FileWriter(stdout, 1); + FILE* newstdout = fdopen(dup(STDOUT_FILENO), "w"); + FileWriter* fw = new FileWriter(newstdout, 1); FileLogStream* fls = new FileLogStream(LOG_RAWIO, fw); Logs->AddLogTypes("*", fls, true); } - if (!FileSystem::FileExists(ConfigFileName)) - { -#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"); - - 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); - } - } - - std::cout << con_green << "InspIRCd - Internet Relay Chat Daemon" << con_reset << std::endl; - std::cout << "For contributors & authors: " << con_green << "See /INFO Output" << con_reset << std::endl; - -#ifndef _WIN32 - if (!do_root) - this->CheckRoot(); - else + if (!FindConfigFile(ConfigFileName)) { - 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); + this->Logs->Log("STARTUP", LOG_DEFAULT, "Unable to open config file %s", ConfigFileName.c_str()); + std::cout << "ERROR: Cannot open config file: " << ConfigFileName << std::endl << "Exiting..." << std::endl; + Exit(EXIT_STATUS_CONFIG); } -#endif - - this->SetSignals(); + SetSignals(); + if (!Config->cmdline.runasroot) + CheckRoot(); if (!Config->cmdline.nofork) - { - if (!this->DaemonSeed()) - { - 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); - } - } + ForkIntoBackground(); - SocketEngine::RecoverFromFork(); + std::cout << "InspIRCd Process ID: " << con_green << getpid() << con_reset << std::endl; /* During startup we read the configuration now, not in - * a seperate thread + * a separate thread */ this->Config->Read(); this->Config->Apply(NULL, ""); Logs->OpenFileLogs(); - ModeParser::InitBuiltinModes(); // If we don't have a SID, generate one based on the server name and the server description if (Config->sid.empty()) @@ -419,29 +551,14 @@ InspIRCd::InspIRCd(int argc, char** argv) : // This is needed as all new XLines are marked pending until ApplyLines() is called this->XLines->ApplyLines(); - int bounditems = BindPorts(pl); - std::cout << std::endl; + TryBindPorts(); + this->Modules->LoadAll(); // Build ISupport as ModuleManager::LoadAll() does not do it this->ISupport.Build(); - Config->ApplyDisabledCommands(); - - if (!pl.empty()) - { - 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++) - { - std::cout << j << ".\tAddress: " << i->first.str() << " \tReason: " << strerror(i->second) << std::endl; - } - - std::cout << std::endl << "Hint: Try using a public IP instead of blank or *" << std::endl; - } std::cout << "InspIRCd is now running as '" << Config->ServerName << "'[" << Config->GetSID() << "] with " << SocketEngine::GetMaxFds() << " max open sockets" << std::endl; @@ -465,7 +582,7 @@ InspIRCd::InspIRCd(int argc, char** argv) : * * -- nenolod */ - if ((!do_nofork) && (!Config->cmdline.forcedebug)) + if ((!Config->cmdline.nofork) && (!Config->cmdline.forcedebug)) { int fd = open("/dev/null", O_RDWR); @@ -490,7 +607,7 @@ InspIRCd::InspIRCd(int argc, char** argv) : SetServiceRunning(); // Handle forking - if(!do_nofork) + if(!Config->cmdline.nofork) { FreeConsole(); } @@ -498,98 +615,38 @@ InspIRCd::InspIRCd(int argc, char** argv) : QueryPerformanceFrequency(&stats.QPFrequency); #endif - Logs->Log("STARTUP", LOG_DEFAULT, "Startup complete as '%s'[%s], %lu max open sockets", Config->ServerName.c_str(),Config->GetSID().c_str(), SocketEngine::GetMaxFds()); + WritePID(Config->PID); + DropRoot(); -#ifndef _WIN32 - ConfigTag* security = Config->ConfValue("security"); - - const std::string SetGroup = security->getString("runasgroup"); - if (!SetGroup.empty()) - { - errno = 0; - if (setgroups(0, NULL) == -1) - { - this->Logs->Log("STARTUP", LOG_DEFAULT, "setgroups() failed (wtf?): %s", strerror(errno)); - this->QuickExit(0); - } - - struct group* g = getgrnam(SetGroup.c_str()); - if (!g) - { - this->Logs->Log("STARTUP", LOG_DEFAULT, "getgrnam(%s) failed (wrong group?): %s", SetGroup.c_str(), strerror(errno)); - this->QuickExit(0); - } - - if (setgid(g->gr_gid) == -1) - { - this->Logs->Log("STARTUP", LOG_DEFAULT, "setgid(%d) failed (wrong group?): %s", g->gr_gid, strerror(errno)); - this->QuickExit(0); - } - } - - const std::string SetUser = security->getString("runasuser"); - if (!SetUser.empty()) - { - errno = 0; - struct passwd* 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); - } - - if (setuid(u->pw_uid) == -1) - { - this->Logs->Log("STARTUP", LOG_DEFAULT, "setuid(%d) failed (wrong user?): %s", u->pw_uid, strerror(errno)); - this->QuickExit(0); - } - } - - this->WritePID(Config->PID); -#endif + Logs->Log("STARTUP", LOG_DEFAULT, "Startup complete as '%s'[%s], %lu max open sockets", Config->ServerName.c_str(),Config->GetSID().c_str(), SocketEngine::GetMaxFds()); } void InspIRCd::UpdateTime() { -#ifdef _WIN32 +#if defined HAS_CLOCK_GETTIME + clock_gettime(CLOCK_REALTIME, &TIME); +#elif defined _WIN32 SYSTEMTIME st; GetSystemTime(&st); 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 + struct timeval tv; + gettimeofday(&tv, NULL); + + TIME.tv_sec = tv.tv_sec; + TIME.tv_nsec = tv.tv_usec * 1000; #endif } void InspIRCd::Run() { -#ifdef INSPIRCD_ENABLE_TESTSUITE - /* See if we're supposed to be running the test suite rather than entering the mainloop */ - if (do_testsuite) - { - TestSuite* ts = new TestSuite; - delete ts; - return; - } -#endif - UpdateTime(); time_t OLDTIME = TIME.tv_sec; while (true) { -#ifndef _WIN32 - static rusage ru; -#endif - /* Check if there is a config thread which has finished executing but has not yet been freed */ if (this->ConfigThread && this->ConfigThread->IsDone()) { @@ -606,51 +663,20 @@ void InspIRCd::Run() UpdateTime(); /* Run background module timers every few seconds - * (the docs say modules shouldnt rely on accurate + * (the docs say modules should not rely on accurate * timing using this event, so we dont have to * time this exactly). */ if (TIME.tv_sec != OLDTIME) { -#ifndef _WIN32 - getrusage(RUSAGE_SELF, &ru); - stats.LastSampled = TIME; - stats.LastCPU = ru.ru_utime; -#else - if(QueryPerformanceCounter(&stats.LastSampled)) - { - 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; - } -#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 flowing BACKWARDS in this dimension! Clock drifted backwards %lu secs.", (unsigned long)(OLDTIME-TIME.tv_sec)); - } - else if (TIME.tv_sec > OLDTIME + 2) - { - SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is jumping FORWARDS! Clock skipped %lu secs.", (unsigned long)(TIME.tv_sec - OLDTIME)); - } + CollectStats(); + CheckTimeSkip(OLDTIME, TIME.tv_sec); OLDTIME = TIME.tv_sec; if ((TIME.tv_sec % 3600) == 0) - { FOREACH_MOD(OnGarbageCollect, ()); - // HACK: ELines are not expired properly at the moment but it can't be fixed as - // the 2.0 XLine system is a spaghetti nightmare. Instead we skip over expired - // ELines in XLineManager::CheckELines() and expire them here instead. - XLines->GetAll("E"); - } - Timers.TickTimers(TIME.tv_sec); Users->DoBackgroundUserStuff();