/*
* InspIRCd -- Internet Relay Chat Daemon
*
- * Copyright (C) 2012 William Pitcock <nenolod@dereferenced.org>
+ * Copyright (C) 2020 Matt Schatz <genius3000@g3k.solutions>
+ * Copyright (C) 2018 Chris Novakovic <chrisnovakovic@users.noreply.github.com>
+ * Copyright (C) 2013, 2017-2021 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2013 Adam <Adam@anope.org>
+ * Copyright (C) 2012-2014, 2016, 2018 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012-2013 ChrisTX <xpipe@hotmail.de>
+ * Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2012 Ariadne Conill <ariadne@dereferenced.org>
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
- * Copyright (C) 2003-2008 Craig Edwards <craigedwards@brainbox.cc>
- * Copyright (C) 2008 Uli Schlachter <psychon@znc.in>
- * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
- * Copyright (C) 2006-2007 Oliver Lupton <oliverlupton@gmail.com>
+ * Copyright (C) 2008-2009 Uli Schlachter <psychon@inspircd.org>
+ * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
- * Copyright (C) 2007 Burlex <???@???>
- * Copyright (C) 2003 Craig McLure <craig@chatspike.net>
- * Copyright (C) 2003 randomdan <???@???>
+ * Copyright (C) 2006-2007 Oliver Lupton <om@inspircd.org>
+ * Copyright (C) 2005-2010 Craig Edwards <brain@inspircd.org>
*
* 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
*/
-/* $Core */
#include "inspircd.h"
-#include "inspircd_version.h"
#include <signal.h>
#ifndef _WIN32
- #include <dirent.h>
#include <unistd.h>
#include <sys/resource.h>
- #include <dlfcn.h>
#include <getopt.h>
-
- /* Some systems don't define RUSAGE_SELF. This should fix them. */
- #ifndef RUSAGE_SELF
- #define RUSAGE_SELF 0
- #endif
-
#include <pwd.h> // setuid
#include <grp.h> // 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 <fstream>
#include <iostream>
#include "xline.h"
-#include "bancache.h"
-#include "socketengine.h"
-#include "socket.h"
-#include "command_parse.h"
#include "exitcodes.h"
-#include "caller.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,
*/
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 <die> tag!", /* 12 */
- "Couldn't load module on startup", /* 13 */
- "Could not create windows forked process", /* 14 */
- "Received SIGTERM", /* 15 */
- "Bad command handler loaded", /* 16 */
- "RegisterServiceCtrlHandler failed", /* 17 */
- "UpdateSCMStatus failed", /* 18 */
- "CreateEvent failed" /* 19 */
+ "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
};
-template<typename T> static void DeleteZero(T*&n)
+namespace
{
- T* t = n;
- n = NULL;
- delete t;
-}
+ void VoidSignalHandler(int);
-void InspIRCd::Cleanup()
-{
- for (unsigned int i = 0; i < ports.size(); i++)
+ // Warns a user running as root that they probably shouldn't.
+ void CheckRoot()
{
- /* This calls the constructor and closes the listening socket */
- ports[i]->cull();
- delete ports[i];
+#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
}
- ports.clear();
- /* Close all client sockets, or the new process inherits them */
- LocalUserList::reverse_iterator i = Users->local_users.rbegin();
- while (i != this->Users->local_users.rend())
+ // Collects performance statistics for the STATS command.
+ void CollectStats()
{
- User* u = *i++;
- Users->QuitUser(u, "Server shutdown");
+#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
}
- GlobalCulls.Apply();
- Modules->UnloadAll();
+ // 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;
- /* 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)
- FakeClient->cull();
- if (Res)
- Res->cull();
- DeleteZero(this->FakeClient);
- DeleteZero(this->Users);
- DeleteZero(this->Modes);
- DeleteZero(this->XLines);
- DeleteZero(this->Parser);
- DeleteZero(this->stats);
- DeleteZero(this->Modules);
- DeleteZero(this->BanCache);
- DeleteZero(this->SNO);
- DeleteZero(this->Config);
- DeleteZero(this->Res);
- DeleteZero(this->chanlist);
- DeleteZero(this->PI);
- DeleteZero(this->Threads);
- DeleteZero(this->Timers);
- DeleteZero(this->SE);
- /* Close logging */
- this->Logs->CloseLogs();
- DeleteZero(this->Logs);
-}
+ time_t timediff = newtime - oldtime;
-void InspIRCd::Restart(const std::string &reason)
-{
- /* SendError flushes each client's queue,
- * regardless of writeability state
- */
- this->SendError(reason);
+ if (timediff > ServerInstance->Config->TimeSkipWarn)
+ ServerInstance->SNO->WriteToSnoMask('a', "\002Performance warning!\002 Server clock jumped forwards by %lu seconds!", timediff);
- /* Figure out our filename (if theyve renamed it, we're boned) */
- std::string me;
+ else if (timediff < -ServerInstance->Config->TimeSkipWarn)
+ ServerInstance->SNO->WriteToSnoMask('a', "\002Performance warning!\002 Server clock jumped backwards by %lu seconds!", labs(timediff));
+ }
- char** argv = Config->cmdline.argv;
+ // Drops to the unprivileged user/group specified in <security:runas{user,group}>.
+ 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
- char module[MAX_PATH];
- if (GetModuleFileNameA(NULL, module, MAX_PATH))
- me = module;
+ TCHAR configPath[MAX_PATH + 1];
+ if (GetFullPathName(path, MAX_PATH, configPath, NULL) > 0)
+ return configPath;
#else
- me = argv[0];
+ 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;
+ }
- this->Cleanup();
+ // 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
+ }
- if (execv(me.c_str(), argv) == -1)
+ // Increase the size of a core dump file to improve debugging problems.
+ void IncreaseCoreDumpSize()
{
- /* Will raise a SIGABRT if not trapped */
- throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno));
+#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
}
-}
-void InspIRCd::ResetMaxBans()
-{
- for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++)
- i->second->ResetMaxBans();
-}
+ // 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 <file>] [--debug] [--nofork] [--nolog]" << std::endl
+ << std::string(strlen(argv[0]) + 8, ' ') << "[--nopid] [--runasroot] [--version]" << std::endl;
+ ServerInstance->Exit(EXIT_STATUS_ARGV);
+ break;
+ }
+ }
-/** Because hash_map doesn't free its buckets when we delete items, we occasionally
- * recreate the hash to free them up.
- * 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.
- * Since this is quite expensive, it's not done very often.
- */
-void InspIRCd::RehashUsersAndChans()
-{
- user_hash* old_users = Users->clientlist;
- Users->clientlist = new user_hash;
- for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++)
- Users->clientlist->insert(*n);
- delete old_users;
-
- user_hash* old_uuid = Users->uuidlist;
- Users->uuidlist = new user_hash;
- for (user_hash::const_iterator n = old_uuid->begin(); n != old_uuid->end(); n++)
- Users->uuidlist->insert(*n);
- delete old_uuid;
-
- chan_hash* old_chans = chanlist;
- chanlist = new chan_hash;
- for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++)
- chanlist->insert(*n);
- delete old_chans;
-
- // Reset the already_sent IDs so we don't wrap it around and drop a message
- LocalUser::already_sent_id = 0;
- for (LocalUserList::const_iterator i = Users->local_users.begin(); i != Users->local_users.end(); i++)
+ 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)
{
- (**i).already_sent = 0;
- (**i).RemoveExpiredInvites();
+#if defined _WIN32
+ srand(ts.tv_nsec ^ ts.tv_sec);
+#elif !defined HAS_ARC4RANDOM_BUF
+ srandom(ts.tv_nsec ^ ts.tv_sec);
+#endif
}
-}
-void InspIRCd::SetSignals()
-{
+ // Sets handlers for various process signals.
+ void SetSignals()
+ {
#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);
+ 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);
-}
+ signal(SIGTERM, InspIRCd::SetSignal);
+ }
-void InspIRCd::QuickExit(int status)
-{
- exit(status);
-}
+ void TryBindPorts()
+ {
+ FailedPortList pl;
+ ServerInstance->BindPorts(pl);
-// Required for returning the proper value of EXIT_SUCCESS for the parent process
-static void VoidSignalHandler(int signalreceived)
-{
- exit(0);
-}
+ 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;
-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);
+ 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 <bind> tag at " << fp.tag->getTagLocation() << std::endl
+ << std::endl;
+ }
- int childpid;
- if ((childpid = fork ()) < 0)
- return false;
- else if (childpid > 0)
- {
- /* 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);
+ std::cout << con_bright << "Hints:" << con_reset << std::endl
+ << "- For TCP/IP listeners try using a public IP address in <bind:address> instead" << std::endl
+ << " of * or leaving it blank." << std::endl
+ << "- For UNIX socket listeners try enabling <bind:rewrite> to replace old sockets." << std::endl;
+ }
}
- setsid ();
- std::cout << "InspIRCd Process ID: " << con_green << getpid() << con_reset << std::endl;
- signal(SIGTERM, InspIRCd::SetSignal);
+ // Required for returning the proper value of EXIT_SUCCESS for the parent process.
+ void VoidSignalHandler(int)
+ {
+ exit(EXIT_STATUS_NOERROR);
+ }
+}
- rlimit rl;
- if (getrlimit(RLIMIT_CORE, &rl) == -1)
+void InspIRCd::Cleanup()
+{
+ // Close all listening sockets
+ for (unsigned int i = 0; i < ports.size(); i++)
{
- this->Logs->Log("STARTUP",DEFAULT,"Failed to getrlimit()!");
- return false;
+ ports[i]->cull();
+ delete ports[i];
}
- rl.rlim_cur = rl.rlim_max;
+ ports.clear();
- if (setrlimit(RLIMIT_CORE, &rl) == -1)
- this->Logs->Log("STARTUP",DEFAULT,"setrlimit() failed, cannot increase coredump size.");
+ // Tell modules that we're shutting down.
+ const std::string quitmsg = "Server shutting down";
+ FOREACH_MOD(OnShutdown, (quitmsg));
- return true;
-#endif
+ // Disconnect all local users
+ const UserManager::LocalList& list = Users.GetLocalUsers();
+ while (!list.empty())
+ ServerInstance->Users.QuitUser(list.front(), quitmsg);
+
+ GlobalCulls.Apply();
+ Modules->UnloadAll();
+
+ /* 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();
+ }
+ stdalgo::delete_zero(this->FakeClient);
+ stdalgo::delete_zero(this->XLines);
+ stdalgo::delete_zero(this->Config);
+ SocketEngine::Deinit();
+ Logs->CloseLogs();
}
void InspIRCd::WritePID(const std::string& filename, bool exitonfail)
{
#ifndef _WIN32
- std::string fname(filename);
- if (fname.empty())
- fname = DATA_PATH "/inspircd.pid";
+ if (!ServerInstance->Config->cmdline.writepid)
+ {
+ this->Logs->Log("STARTUP", LOG_DEFAULT, "--nopid specified on command line; PID file not written.");
+ return;
+ }
+
+ std::string fname = ServerInstance->Config->Paths.PrependRuntime(filename.empty() ? "inspircd.pid" : filename);
std::ofstream outfile(fname.c_str());
if (outfile.is_open())
{
outfile.close();
}
else
- {\r
- if (exitonfail)\r
+ {
+ if (exitonfail)
std::cout << "Failed to write PID-file '" << fname << "', exiting." << std::endl;
- this->Logs->Log("STARTUP",DEFAULT,"Failed to write PID-file '%s'%s",fname.c_str(), (exitonfail ? ", exiting." : ""));\r
+ this->Logs->Log("STARTUP", LOG_DEFAULT, "Failed to write PID-file '%s'%s", fname.c_str(), (exitonfail ? ", exiting." : ""));
if (exitonfail)
- Exit(EXIT_STATUS_PID);\r
+ Exit(EXIT_STATUS_PID);
}
#endif
}
-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.
- */
- NICKForced("NICKForced", NULL),
- OperQuit("OperQuit", NULL),
- GenRandom(&HandleGenRandom),
- IsChannel(&HandleIsChannel),
- IsSID(&HandleIsSID),
- Rehash(&HandleRehash),
- IsNick(&HandleIsNick),
- IsIdent(&HandleIsIdent),
- FloodQuitUser(&HandleFloodQuitUser),
- OnCheckExemption(&HandleOnCheckExemption)
+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;
- Extensions.Register(&NICKForced);
- Extensions.Register(&OperQuit);
-
- FailedPortList pl;
- int do_version = 0, do_nofork = 0, do_debug = 0,
- do_nolog = 0, do_root = 0, do_testsuite = 0; /* flag variables */
- int c = 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;
- 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;
-
- SE = CreateSocketEngine();
-
- this->Threads = new ThreadEngine;
-
- /* Default implementation does nothing */
- this->PI = new ProtocolInterface;
-
- this->s_signal = 0;
-
- // Create base manager classes early, so nothing breaks
- this->Users = new UserManager;
-
- this->Users->clientlist = new user_hash();
- this->Users->uuidlist = new user_hash();
- this->chanlist = new chan_hash();
+ IncreaseCoreDumpSize();
+ SeedRng(TIME);
+ SocketEngine::Init();
this->Config = new ServerConfig;
- this->SNO = new SnomaskManager;
- this->BanCache = new BanCacheManager;
- this->Modules = new ModuleManager();
- this->stats = new serverstats();
- this->Timers = new TimerManager;
- this->Parser = new CommandParser;
+ dynamic_reference_base::reset_all();
this->XLines = new XLineManager;
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 },
- { "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 },
- { "testsuite", no_argument, &do_testsuite, 1 },
- { 0, 0, 0, 0 }
- };
-
- int index;
- while ((c = getopt_long(argc, argv, ":c:f:", longopts, &index)) != -1)
- {
- switch (c)
+ ServiceProvider* provs[] =
{
- case 'f':
- /* Log filename was set */
- Config->cmdline.startup_log = optarg;
- break;
- case 'c':
- /* Config filename was set */
- ConfigFileName = 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] [--logfile <filename>] " << std::endl <<
- std::string(static_cast<int>(8+strlen(argv[0])), ' ') << "[--runasroot] [--version] [--config <config>] [--testsuite]" << std::endl;
- Exit(EXIT_STATUS_ARGV);
- break;
- }
+ &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]));
}
- if (do_testsuite)
- do_nofork = do_debug = true;
+ 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_version)
+ if (Config->cmdline.forcedebug)
{
- std::cout << std::endl << VERSION << " r" << 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;
- Config->cmdline.TestSuite = (do_testsuite != 0);
-
- if (do_debug)
- {
- FileWriter* fw = new FileWriter(stdout);
- FileLogStream* fls = new FileLogStream(RAWIO, fw);
+ FILE* newstdout = fdopen(dup(STDOUT_FILENO), "w");
+ FileWriter* fw = new FileWriter(newstdout, 1);
+ FileLogStream* fls = new FileLogStream(LOG_RAWIO, fw);
Logs->AddLogTypes("*", fls, true);
}
- else if (!this->OpenLog(argv, argc))
- {
- std::cout << "ERROR: Could not open initial logfile " << Config->cmdline.startup_log << ": " << strerror(errno) << std::endl << std::endl;
- Exit(EXIT_STATUS_LOG);
- }
-
- if (!ServerConfig::FileExists(ConfigFileName.c_str()))
- {
-#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 (ServerConfig::FileExists(txtconf.c_str()))
- {
- ConfigFileName = txtconf;
- }
- else
-#endif
- {
- std::cout << "ERROR: Cannot open config file: " << ConfigFileName << std::endl << "Exiting..." << std::endl;
- this->Logs->Log("STARTUP",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;\r
- 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
+ if (!FindConfigFile(ConfigFileName))
{
- std::cout << "* WARNING * WARNING * WARNING * WARNING * WARNING *" << std::endl\r
- << "YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED" << std::endl\r
- << "AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED" << std::endl\r
- << "OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR" << std::endl\r
- << "SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN" << std::endl\r
- << "TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART" << std::endl\r
- << "THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!" << std::endl << std::endl\r
- << "InspIRCd starting in 20 seconds, ctrl+c to abort..." << std::endl;\r
- 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", DEFAULT, "ERROR: could not go into daemon mode. Shutting down.");
- Exit(EXIT_STATUS_FORK);
- }
- }
+ ForkIntoBackground();
- SE->RecoverFromFork();
+ std::cout << "InspIRCd Process ID: " << con_green << getpid() << con_reset << std::endl;
- /* During startup we don't actually initialize this
- * in the thread engine.
+ /* During startup we read the configuration now, not in
+ * a separate thread
*/
this->Config->Read();
this->Config->Apply(NULL, "");
Logs->OpenFileLogs();
- this->Res = new DNS();
-
- /*
- * Initialise SID/UID.
- * For an explanation as to exactly how this works, and why it works this way, see GetUID().
- * -- w00t
- */
+ // If we don't have a SID, generate one based on the server name and the server description
if (Config->sid.empty())
- {
- // Generate one
- unsigned int sid = 0;
- char sidstr[4];
-
- for (const char* x = Config->ServerName.c_str(); *x; ++x)
- sid = 5 * sid + *x;
- for (const char* y = Config->ServerDesc.c_str(); *y; ++y)
- sid = 5 * sid + *y;
- sprintf(sidstr, "%03d", sid % 1000);
+ Config->sid = UIDGenerator::GenerateSID(Config->ServerName, Config->ServerDesc);
- Config->sid = sidstr;
- }
+ // Initialize the UID generator with our sid
+ this->UIDGen.init(Config->sid);
- /* set up fake client again this time with the correct uid */
- this->FakeClient = new FakeUser(Config->sid, Config->ServerName);
+ // 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();
- int bounditems = BindPorts(pl);
-
std::cout << std::endl;
- this->Modules->LoadAll();
-
- /* Just in case no modules were loaded - fix for bug #101 */
- this->BuildISupport();
- Config->ApplyDisabledCommands(Config->DisabledCommands);
+ TryBindPorts();
- 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;
- }
+ this->Modules->LoadAll();
- std::cout << std::endl << "Hint: Try using a public IP instead of blank or *" << std::endl;
- }
+ // Build ISupport as ModuleManager::LoadAll() does not do it
+ this->ISupport.Build();
- std::cout << "InspIRCd is now running as '" << Config->ServerName << "'[" << Config->GetSID() << "] with " << SE->GetMaxFds() << " max open sockets" << 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", DEFAULT, "Error killing parent process: %s",strerror(errno));
+ Logs->Log("STARTUP", LOG_DEFAULT, "Error killing parent process: %s",strerror(errno));
}
}
*
* -- nenolod
*/
- if ((!do_nofork) && (!do_testsuite) && (!Config->cmdline.forcedebug))
+ if ((!Config->cmdline.nofork) && (!Config->cmdline.forcedebug))
{
int fd = open("/dev/null", O_RDWR);
fclose(stdout);
if (dup2(fd, STDIN_FILENO) < 0)
- Logs->Log("STARTUP", DEFAULT, "Failed to dup /dev/null to stdin.");
+ Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stdin.");
if (dup2(fd, STDOUT_FILENO) < 0)
- Logs->Log("STARTUP", DEFAULT, "Failed to dup /dev/null to stdout.");
+ Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stdout.");
if (dup2(fd, STDERR_FILENO) < 0)
- Logs->Log("STARTUP", DEFAULT, "Failed to dup /dev/null to stderr.");
+ Logs->Log("STARTUP", LOG_DEFAULT, "Failed to dup /dev/null to stderr.");
close(fd);
}
else
{
- Logs->Log("STARTUP", DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
+ 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)
+ if(!Config->cmdline.nofork)
{
FreeConsole();
}
- QueryPerformanceFrequency(&stats->QPFrequency);
+ QueryPerformanceFrequency(&stats.QPFrequency);
#endif
- Logs->Log("STARTUP", DEFAULT, "Startup complete as '%s'[%s], %d max open sockets", Config->ServerName.c_str(),Config->GetSID().c_str(), SE->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("SETGROUPS", 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("SETGUID", 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("SETGUID", 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("SETGUID", DEFAULT, "getpwnam(%s) failed (wrong user?): %s", SetUser.c_str(), strerror(errno));
- this->QuickExit(0);
- }
-
- int ret = setuid(u->pw_uid);
+ WritePID(Config->PID);
+ DropRoot();
- if (ret == -1)
- {
- this->Logs->Log("SETGUID", DEFAULT, "setuid() failed (wrong user?): %s", 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
}
-int InspIRCd::Run()
+void InspIRCd::Run()
{
- /* See if we're supposed to be running the test suite rather than entering the mainloop */
- if (Config->cmdline.TestSuite)
- {
- TestSuite* ts = new TestSuite;
- delete ts;
- Exit(0);
- }
-
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())
{
/* 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();
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
+ CollectStats();
+ CheckTimeSkip(OLDTIME, TIME.tv_sec);
- /* 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));
- }
-\r
OLDTIME = TIME.tv_sec;
if ((TIME.tv_sec % 3600) == 0)
- {
- this->RehashUsersAndChans();
- FOREACH_MOD(I_OnGarbageCollect, OnGarbageCollect());
- }
+ FOREACH_MOD(OnGarbageCollect, ());
- Timers->TickTimers(TIME.tv_sec);
- this->DoBackgroundUserStuff();
+ Timers.TickTimers(TIME.tv_sec);
+ Users->DoBackgroundUserStuff();
if ((TIME.tv_sec % 5) == 0)
{
- FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME.tv_sec));
+ FOREACH_MOD(OnBackgroundTimer, (TIME.tv_sec));
SNO->FlushSnotices();
}
}
* This will cause any read or write events to be
* dispatched to their handlers.
*/
- this->SE->DispatchTrialWrites();
- this->SE->DispatchEvents();
+ SocketEngine::DispatchTrialWrites();
+ SocketEngine::DispatchEvents();
/* if any users were quit, take them out */
GlobalCulls.Apply();
s_signal = 0;
}
}
-
- return 0;
-}
-
-/**********************************************************************************/
-
-/**
- * An ircd in five lines! bwahahaha. ahahahahaha. ahahah *cough*.
- */
-
-/* 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)
- */
-bool InspIRCd::AllModulesReportReady(LocalUser* user)
-{
- ModResult res;
- FIRST_MOD_RESULT(OnCheckReady, res, (user));
- return (res == MOD_RES_PASSTHRU);
}
sig_atomic_t InspIRCd::s_signal = 0;
projects / user / henk / code / inspircd.git / blobdiff