Esempio n. 1
0
int InspIRCd::BindPorts(FailedPortList& failed_ports)
{
	int bound = 0;
	std::vector<ListenSocket*> old_ports(ports.begin(), ports.end());

	ConfigTagList tags = ServerInstance->Config->ConfTags("bind");
	for (ConfigIter i = tags.first; i != tags.second; ++i)
	{
		ConfigTag* tag = i->second;

		// Are we creating a TCP/IP listener?
		const std::string address = tag->getString("address");
		const std::string portlist = tag->getString("port");
		if (!address.empty() || !portlist.empty())
		{
			// InspIRCd supports IPv4 and IPv6 natively; no 4in6 required.
			if (strncasecmp(address.c_str(), "::ffff:", 7) == 0)
				this->Logs.Log("SOCKET", LOG_DEFAULT, "Using 4in6 (::ffff:) isn't recommended. You should bind IPv4 addresses directly instead.");

			// A TCP listener with no ports is not very useful.
			if (portlist.empty())
				this->Logs.Log("SOCKET", LOG_DEFAULT, "TCP listener on %s at %s has no ports specified!",
					address.empty() ? "*" : address.c_str(), tag->getTagLocation().c_str());

			irc::portparser portrange(portlist, false);
			for (int port; (port = portrange.GetToken()); )
			{
				irc::sockets::sockaddrs bindspec;
				if (!irc::sockets::aptosa(address, port, bindspec))
					continue;

				if (!BindPort(tag, bindspec, old_ports))
					failed_ports.push_back(std::make_pair(bindspec, errno));
				else
					bound++;
			}
			continue;
		}

#ifndef _WIN32
		// Are we creating a UNIX listener?
		const std::string path = tag->getString("path");
		if (!path.empty())
		{
			// UNIX socket paths are length limited to less than PATH_MAX.
			irc::sockets::sockaddrs bindspec;
			if (path.length() > std::min(ServerInstance->Config->Limits.MaxHost, sizeof(bindspec.un.sun_path)))
			{
				this->Logs.Log("SOCKET", LOG_DEFAULT, "UNIX listener on %s at %s specified a path that is too long!",
					path.c_str(), tag->getTagLocation().c_str());
				continue;
			}

			// Create the bindspec manually (aptosa doesn't work with AF_UNIX yet).
			memset(&bindspec, 0, sizeof(bindspec));
			bindspec.un.sun_family = AF_UNIX;
			memcpy(&bindspec.un.sun_path, path.c_str(), sizeof(bindspec.un.sun_path));

			if (!BindPort(tag, bindspec, old_ports))
				failed_ports.push_back(std::make_pair(bindspec, errno));
			else
				bound++;
		}
#endif
	}

	std::vector<ListenSocket*>::iterator n = ports.begin();
	for (std::vector<ListenSocket*>::iterator o = old_ports.begin(); o != old_ports.end(); ++o)
	{
		while (n != ports.end() && *n != *o)
			n++;
		if (n == ports.end())
		{
			this->Logs.Log("SOCKET", LOG_DEFAULT, "Port bindings slipped out of vector, aborting close!");
			break;
		}

		this->Logs.Log("SOCKET", LOG_DEFAULT, "Port binding %s was removed from the config file, closing.",
			(**n).bind_sa.str().c_str());
		delete *n;

		// this keeps the iterator valid, pointing to the next element
		n = ports.erase(n);
	}

	return bound;
}
Esempio n. 2
0
void ServerConfig::Apply(ServerConfig* old, const std::string &useruid)
{
	valid = true;
	if (old)
	{
		/*
		 * These values can only be set on boot. Keep their old values. Do it before we send messages so we actually have a servername.
		 */
		this->ServerName = old->ServerName;
		this->sid = old->sid;
		this->cmdline = old->cmdline;
	}

	/* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
	try
	{
		for (int index = 0; index * sizeof(DeprecatedConfig) < sizeof(ChangedConfig); index++)
		{
			std::string value;
			ConfigTagList tags = ConfTags(ChangedConfig[index].tag);
			for(ConfigIter i = tags.first; i != tags.second; ++i)
			{
				if (i->second->readString(ChangedConfig[index].key, value, true)
					&& (ChangedConfig[index].value.empty() || value == ChangedConfig[index].value))
				{
					errstr << "Your configuration contains a deprecated value: <"  << ChangedConfig[index].tag;
					if (ChangedConfig[index].value.empty())
					{
						errstr << ':' << ChangedConfig[index].key;
					}
					else
					{
						errstr << ' ' << ChangedConfig[index].key << "=\"" << ChangedConfig[index].value << "\"";
					}
					errstr << "> - " << ChangedConfig[index].reason << " (at " << i->second->getTagLocation() << ")\n";
				}
			}
		}

		Fill();

		// Handle special items
		CrossCheckOperClassType();
		CrossCheckConnectBlocks(old);
	}
	catch (CoreException &ce)
	{
		errstr << ce.GetReason();
	}

	// Check errors before dealing with failed binds, since continuing on failed bind is wanted in some circumstances.
	valid = errstr.str().empty();

	// write once here, to try it out and make sure its ok
	if (valid)
		ServerInstance->WritePID(this->PID);

	if (old)
	{
		// On first run, ports are bound later on
		FailedPortList pl;
		ServerInstance->BindPorts(pl);
		if (pl.size())
		{
			errstr << "Not all your client ports could be bound.\nThe following port(s) failed to bind:\n";

			int j = 1;
			for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
			{
				char buf[MAXBUF];
				snprintf(buf, MAXBUF, "%d.   Address: %s   Reason: %s\n", j, i->first.empty() ? "<all>" : i->first.c_str(), i->second.c_str());
				errstr << buf;
			}
		}
	}

	User* user = useruid.empty() ? NULL : ServerInstance->FindNick(useruid);

	if (!valid)
		ServerInstance->Logs->Log("CONFIG",LOG_DEFAULT, "There were errors in your configuration file:");

	while (errstr.good())
	{
		std::string line;
		getline(errstr, line, '\n');
		if (line.empty())
			continue;
		// On startup, print out to console (still attached at this point)
		if (!old)
			std::cout << line << std::endl;
		// If a user is rehashing, tell them directly
		if (user)
			user->SendText(":%s NOTICE %s :*** %s", ServerInstance->Config->ServerName.c_str(), user->nick.c_str(), line.c_str());
		// Also tell opers
		ServerInstance->SNO->WriteGlobalSno('a', line);
	}

	errstr.clear();
	errstr.str(std::string());

	// Re-parse our MOTD and RULES files for colors -- Justasic
	for (ClassVector::const_iterator it = this->Classes.begin(), it_end = this->Classes.end(); it != it_end; ++it)
	{
		ConfigTag *tag = (*it)->config;
		// Make sure our connection class allows motd colors
		if(!tag->getBool("allowmotdcolors"))
		      continue;

		ConfigFileCache::iterator file = this->Files.find(tag->getString("motd", "motd"));
		if (file != this->Files.end())
		      InspIRCd::ProcessColors(file->second);

		file = this->Files.find(tag->getString("rules", "rules"));
		if (file != this->Files.end())
		      InspIRCd::ProcessColors(file->second);
	}

	/* No old configuration -> initial boot, nothing more to do here */
	if (!old)
	{
		if (!valid)
		{
			ServerInstance->Exit(EXIT_STATUS_CONFIG);
		}

		return;
	}


	// If there were errors processing configuration, don't touch modules.
	if (!valid)
		return;

	ApplyModules(user);

	if (user)
		user->SendText(":%s NOTICE %s :*** Successfully rehashed server.",
			ServerInstance->Config->ServerName.c_str(), user->nick.c_str());
	ServerInstance->SNO->WriteGlobalSno('a', "*** Successfully rehashed server.");
}
Esempio n. 3
0
int InspIRCd::BindPorts(FailedPortList &failed_ports)
{
	int bound = 0;
	std::vector<ListenSocket*> old_ports(ports.begin(), ports.end());

	ConfigTagList tags = ServerInstance->Config->ConfTags("bind");
	for(ConfigIter i = tags.first; i != tags.second; ++i)
	{
		ConfigTag* tag = i->second;
		std::string porttag = tag->getString("port");
		std::string Addr = tag->getString("address");

		if (strncasecmp(Addr.c_str(), "::ffff:", 7) == 0)
			this->Logs->Log("SOCKET", LOG_DEFAULT, "Using 4in6 (::ffff:) isn't recommended. You should bind IPv4 addresses directly instead.");

		irc::portparser portrange(porttag, false);
		int portno = -1;
		while (0 != (portno = portrange.GetToken()))
		{
			irc::sockets::sockaddrs bindspec;
			if (!irc::sockets::aptosa(Addr, portno, bindspec))
				continue;
			std::string bind_readable = bindspec.str();

			bool skip = false;
			for (std::vector<ListenSocket*>::iterator n = old_ports.begin(); n != old_ports.end(); ++n)
			{
				if ((**n).bind_desc == bind_readable)
				{
					(*n)->bind_tag = tag; // Replace tag, we know addr and port match, but other info (type, ssl) may not
					(*n)->ResetIOHookProvider();

					skip = true;
					old_ports.erase(n);
					break;
				}
			}
			if (!skip)
			{
				ListenSocket* ll = new ListenSocket(tag, bindspec);

				if (ll->GetFd() > -1)
				{
					bound++;
					ports.push_back(ll);
				}
				else
				{
					failed_ports.push_back(std::make_pair(bind_readable, strerror(errno)));
					delete ll;
				}
			}
		}
	}

	std::vector<ListenSocket*>::iterator n = ports.begin();
	for (std::vector<ListenSocket*>::iterator o = old_ports.begin(); o != old_ports.end(); ++o)
	{
		while (n != ports.end() && *n != *o)
			n++;
		if (n == ports.end())
		{
			this->Logs->Log("SOCKET", LOG_DEFAULT, "Port bindings slipped out of vector, aborting close!");
			break;
		}

		this->Logs->Log("SOCKET", LOG_DEFAULT, "Port binding %s was removed from the config file, closing.",
			(**n).bind_desc.c_str());
		delete *n;

		// this keeps the iterator valid, pointing to the next element
		n = ports.erase(n);
	}

	return bound;
}
Esempio n. 4
0
void ServerConfig::Apply(ServerConfig* old, const std::string &useruid)
{
	valid = true;
	if (old)
	{
		/*
		 * These values can only be set on boot. Keep their old values. Do it before we send messages so we actually have a servername.
		 */
		this->CaseMapping = old->CaseMapping;
		this->ServerName = old->ServerName;
		this->sid = old->sid;
		this->cmdline = old->cmdline;
	}

	/* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
	try
	{
		// Ensure the user has actually edited ther config.
		ConfigTagList dietags = ConfTags("die");
		if (dietags.first != dietags.second)
		{
			errstr << "Your configuration has not been edited correctly!" << std::endl;
			for (ConfigIter iter = dietags.first; iter != dietags.second; ++iter)
			{
				ConfigTag* tag = iter->second;
				const std::string reason = tag->getString("reason", "You left a <die> tag in your config", 1);
				errstr << reason <<  " (at " << tag->getTagLocation() << ")" << std::endl;
			}
		}

		Fill();

		// Handle special items
		CrossCheckOperClassType();
		CrossCheckConnectBlocks(old);
	}
	catch (CoreException &ce)
	{
		errstr << ce.GetReason() << std::endl;
	}

	// Check errors before dealing with failed binds, since continuing on failed bind is wanted in some circumstances.
	valid = errstr.str().empty();

	// write once here, to try it out and make sure its ok
	if (valid)
		ServerInstance->WritePID(this->PID, !old);

	ConfigTagList binds = ConfTags("bind");
	if (binds.first == binds.second)
		 errstr << "Possible configuration error: you have not defined any <bind> blocks." << std::endl
			 << "You will need to do this if you want clients to be able to connect!" << std::endl;

	if (old && valid)
	{
		// On first run, ports are bound later on
		FailedPortList pl;
		ServerInstance->BindPorts(pl);
		if (pl.size())
		{
			errstr << "Not all your client ports could be bound." << std::endl
				<< "The following port(s) failed to bind:" << std::endl;

			int j = 1;
			for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
			{
				errstr << j << ".\tAddress: " << i->first.str() << "\tReason: " << strerror(i->second) << std::endl;
			}
		}
	}

	User* user = useruid.empty() ? NULL : ServerInstance->FindNick(useruid);

	if (!valid)
	{
		ServerInstance->Logs.Log("CONFIG", LOG_DEFAULT, "There were errors in your configuration file:");
		Classes.clear();
	}

	while (errstr.good())
	{
		std::string line;
		getline(errstr, line, '\n');
		if (line.empty())
			continue;
		// On startup, print out to console (still attached at this point)
		if (!old)
			std::cout << line << std::endl;
		// If a user is rehashing, tell them directly
		if (user)
			user->WriteRemoteNotice(InspIRCd::Format("*** %s", line.c_str()));
		// Also tell opers
		ServerInstance->SNO.WriteGlobalSno('a', line);
	}

	errstr.clear();
	errstr.str(std::string());

	/* No old configuration -> initial boot, nothing more to do here */
	if (!old)
	{
		if (!valid)
		{
			ServerInstance->Exit(EXIT_STATUS_CONFIG);
		}

		return;
	}


	// If there were errors processing configuration, don't touch modules.
	if (!valid)
		return;

	ApplyModules(user);

	if (user)
		user->WriteRemoteNotice("*** Successfully rehashed server.");
	ServerInstance->SNO.WriteGlobalSno('a', "*** Successfully rehashed server.");
}
Esempio n. 5
0
InspIRCd::InspIRCd(int argc, char** argv) :
	 ConfigFileName(CONFIG_PATH "/inspircd.conf"),

	 /* Functor pointer initialisation.
	  *
	  * THIS MUST MATCH THE ORDER OF DECLARATION OF THE FUNCTORS, e.g. the methods
	  * themselves within the class.
	  */
	 OperQuit("operquit", NULL),
	 GenRandom(&HandleGenRandom),
	 IsChannel(&HandleIsChannel),
	 IsNick(&HandleIsNick),
	 IsIdent(&HandleIsIdent),
	 OnCheckExemption(&HandleOnCheckExemption)
{
	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;

	// 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->Config = 0;
	this->SNO = 0;
	this->BanCache = 0;
	this->Modules = 0;
	this->stats = 0;
	this->Parser = 0;
	this->XLines = 0;
	this->Modes = 0;
	this->ConfigThread = NULL;
	this->FakeClient = NULL;

	UpdateTime();
	this->startup_time = TIME.tv_sec;

	// This must be created first, so other parts of Insp can use it while starting up
	this->Logs = new LogManager;

	SocketEngine::Init();

	this->Threads = new ThreadEngine;

	/* Default implementation does nothing */
	this->PI = new ProtocolInterface;

	// Create base manager classes early, so nothing breaks
	this->Users = new UserManager;

	this->Config = new ServerConfig;
	this->SNO = new SnomaskManager;
	this->BanCache = new BanCacheManager;
	this->Modules = new ModuleManager();
	dynamic_reference_base::reset_all();
	this->stats = new serverstats();
	this->Parser = new CommandParser;
	this->XLines = new XLineManager;

	this->Config->cmdline.argv = argv;
	this->Config->cmdline.argc = argc;

#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)
		{
			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 <config>]" << std::endl <<
					std::string(static_cast<int>(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 << VERSION << " " << REVISION << std::endl;
		Exit(EXIT_STATUS_NOERROR);
	}

#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;

	if (do_debug)
	{
		FileWriter* fw = new FileWriter(stdout);
		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 << "Inspire Internet Relay Chat Server" << con_reset << ", compiled on " __DATE__ " at " __TIME__ << std::endl;
	std::cout << con_green << "(C) InspIRCd Development Team." << con_reset << std::endl << std::endl;
	std::cout << "Developers:" << std::endl;
	std::cout << con_green << "\tBrain, FrostyCoolSlug, w00t, Om, Special, peavey" << std::endl;
	std::cout << "\taquanight, psychon, dz, danieldg, jackmcbarn" << std::endl;
	std::cout << "\tAttila" << con_reset << std::endl << std::endl;
	std::cout << "Others:\t\t\t" << con_green << "See /INFO Output" << con_reset << std::endl;

	this->Modes = new ModeParser;

#ifndef _WIN32
	if (!do_root)
		this->CheckRoot();
	else
	{
		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->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);
		}
	}

	SocketEngine::RecoverFromFork();

	/* During startup we read the configuration now, not in
	 * a seperate 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())
		Config->sid = UIDGenerator::GenerateSID(Config->ServerName, Config->ServerDesc);

	// Initialize the UID generator with our sid
	this->UIDGen.init(Config->sid);

	// Create the server user for this server
	this->FakeClient = new FakeUser(Config->sid, Config->ServerName, Config->ServerDesc);

	// 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;

	this->Modules->LoadAll();

	// Build ISupport as ModuleManager::LoadAll() does not do it
	this->ISupport.Build();
	Config->ApplyDisabledCommands(Config->DisabledCommands);

	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.empty() ? "<all>" : i->first) << " \tReason: " << 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;

#ifndef _WIN32
	if (!Config->cmdline.nofork)
	{
		if (kill(getppid(), SIGTERM) == -1)
		{
			std::cout << "Error killing parent process: " << strerror(errno) << std::endl;
			Logs->Log("STARTUP", LOG_DEFAULT, "Error killing parent process: %s",strerror(errno));
		}
	}

	/* 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))
	{
		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)
		{
			this->Logs->Log("STARTUP", LOG_DEFAULT, "setgroups() failed (wtf?): %s", strerror(errno));
			this->QuickExit(0);
		}

		// setgid
		struct group *g;

		errno = 0;
		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);
		}

		ret = setgid(g->gr_gid);

		if (ret == -1)
		{
			this->Logs->Log("STARTUP", LOG_DEFAULT, "setgid() failed (wrong group?): %s", strerror(errno));
			this->QuickExit(0);
		}
	}

	if (!SetUser.empty())
	{
		// 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
}
Esempio n. 6
0
InspIRCd::InspIRCd(int argc, char** argv)
	: ModCount(-1), GlobalCulls(this)
{
	int found_ports = 0;
	FailedPortList pl;
	int do_version = 0, do_nofork = 0, do_debug = 0, do_nolog = 0, do_root = 0;    /* flag variables */
	char c = 0;

	modules.resize(255);
	factory.resize(255);
	memset(&server, 0, sizeof(server));
	memset(&client, 0, sizeof(client));

	this->unregistered_count = 0;

	this->clientlist = new user_hash();
	this->chanlist = new chan_hash();

	this->Config = new ServerConfig(this);

	this->Config->argv = argv;
	this->Config->argc = argc;

	if (chdir(Config->GetFullProgDir().c_str()))
	{
		printf("Unable to change to my directory: %s\nAborted.", strerror(errno));
		exit(0);
	}

	this->Config->opertypes.clear();
	this->Config->operclass.clear();
	this->SNO = new SnomaskManager(this);
	this->TIME = this->OLDTIME = this->startup_time = time(NULL);
	this->time_delta = 0;
	this->next_call = this->TIME + 3;
	srand(this->TIME);

	*this->LogFileName = 0;
	strlcpy(this->ConfigFileName, CONFIG_FILE, MAXBUF);

	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	},
		{ 0, 0, 0, 0 }
	};

	while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1)
	{
		switch (c)
		{
			case 'f':
				/* Log filename was set */
				strlcpy(LogFileName, optarg, MAXBUF);
			break;
			case 'c':
				/* Config filename was set */
				strlcpy(ConfigFileName, optarg, MAXBUF);
			break;
			case 0:
				/* getopt_long_only() set an int variable, just keep going */
			break;
			default:
				/* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */
				printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile <filename>] [--runasroot] [--version] [--config <config>]\n", argv[0]);
				Exit(EXIT_STATUS_ARGV);
			break;
		}
	}

	if (do_version)
	{
		printf("\n%s r%s\n", VERSION, REVISION);
		Exit(EXIT_STATUS_NOERROR);
	}

#ifdef WIN32

	// Handle forking
	if(!do_nofork && !owner_processid)
	{
		DWORD ExitCode = WindowsForkStart(this);
		if(ExitCode)
			Exit(ExitCode);
	}

	// Set up winsock
	WSADATA wsadata;
	WSAStartup(MAKEWORD(2,0), &wsadata);

#endif
	if (!ServerConfig::FileExists(this->ConfigFileName))
	{
		printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName);
		this->Log(DEFAULT,"Unable to open config file %s", this->ConfigFileName);
		Exit(EXIT_STATUS_CONFIG);
	}

	this->Start();

	/* Set the finished argument values */
	Config->nofork = do_nofork;
	Config->forcedebug = do_debug;
	Config->writelog = !do_nolog;

	strlcpy(Config->MyExecutable,argv[0],MAXBUF);

	this->OpenLog(argv, argc);

	this->stats = new serverstats();
	this->Timers = new TimerManager(this);
	this->Parser = new CommandParser(this);
	this->XLines = new XLineManager(this);
	Config->ClearStack();
	Config->Read(true, NULL);

	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");
		sleep(20);
	}

	this->SetSignals();

	if (!Config->nofork)
	{
		if (!this->DaemonSeed())
		{
			printf("ERROR: could not go into daemon mode. Shutting down.\n");
			Log(DEFAULT,"ERROR: could not go into daemon mode. Shutting down.");
			Exit(EXIT_STATUS_FORK);
		}
	}


	/* Because of limitations in kqueue on freebsd, we must fork BEFORE we
	 * initialize the socket engine.
	 */
	SocketEngineFactory* SEF = new SocketEngineFactory();
	SE = SEF->Create(this);
	delete SEF;

	this->Modes = new ModeParser(this);
	this->AddServerName(Config->ServerName);
	CheckDie();
	int bounditems = BindPorts(true, found_ports, pl);

	for(int t = 0; t < 255; t++)
		Config->global_implementation[t] = 0;

	memset(&Config->implement_lists,0,sizeof(Config->implement_lists));

	printf("\n");

	this->Res = new DNS(this);

	this->LoadAllModules();
	/* Just in case no modules were loaded - fix for bug #101 */
	this->BuildISupport();
	InitializeDisabledCommands(Config->DisabledCommands, this);

	if ((Config->ports.size() == 0) && (found_ports > 0))
	{
		printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
		Log(DEFAULT,"ERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?");
		Exit(EXIT_STATUS_BIND);
	}

	if (Config->ports.size() != (unsigned int)found_ports)
	{
		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");
		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() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
		}
	}
#ifndef WINDOWS
	if (!Config->nofork)
	{
		if (kill(getppid(), SIGTERM) == -1)
		{
			printf("Error killing parent process: %s\n",strerror(errno));
			Log(DEFAULT,"Error killing parent process: %s",strerror(errno));
		}
	}

	if (isatty(0) && isatty(1) && isatty(2))
	{
		/* 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)
		{
			fclose(stdin);
			fclose(stderr);
			fclose(stdout);
		}
		else
		{
			Log(DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
		}
	}
#else
	InitIPC();
	if(!Config->nofork)
	{
		WindowsForkKillOwner(this);
		FreeConsole();
	}
#endif
	printf("\nInspIRCd is now running!\n");
	Log(DEFAULT,"Startup complete.");

	this->WritePID(Config->PID);
}