X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspircd.cpp;h=4abfb496a3e26e80b63aa186fa3b1453b98a2999;hb=9b66dd6c292347acf313c1ee9506231749f3d270;hp=862aa31d093f26276d92e7db82d6c691c8616980;hpb=93a78a57ada6d5dab410c2bd3c4b02f4fa15684c;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/inspircd.cpp b/src/inspircd.cpp index 862aa31d0..4abfb496a 100644 --- a/src/inspircd.cpp +++ b/src/inspircd.cpp @@ -1,16 +1,31 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2009 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * Copyright (C) 2012 William Pitcock + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2003-2008 Craig Edwards + * Copyright (C) 2008 Uli Schlachter + * Copyright (C) 2006-2008 Robin Burchell + * Copyright (C) 2006-2007 Oliver Lupton + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2007 Burlex + * Copyright (C) 2003 Craig McLure + * Copyright (C) 2003 randomdan * - * This program is free but copyrighted software; see - * the file COPYING for details. + * This file is part of InspIRCd. InspIRCd is free software: you can + * redistribute it and/or modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. * - * --------------------------------------------------- + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . */ + /* $Core */ #include "inspircd.h" #include "inspircd_version.h" @@ -90,19 +105,16 @@ template static void DeleteZero(T*&n) void InspIRCd::Cleanup() { - if (Config) + for (unsigned int i = 0; i < ports.size(); i++) { - for (unsigned int i = 0; i < ports.size(); i++) - { - /* This calls the constructor and closes the listening socket */ - delete ports[i]; - } - - ports.clear(); + /* This calls the constructor and closes the listening socket */ + ports[i]->cull(); + delete ports[i]; } + ports.clear(); /* Close all client sockets, or the new process inherits them */ - std::vector::reverse_iterator i = Users->local_users.rbegin(); + std::vector::reverse_iterator i = Users->local_users.rbegin(); while (i != this->Users->local_users.rend()) { User* u = *i++; @@ -114,6 +126,10 @@ void InspIRCd::Cleanup() /* 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); @@ -145,16 +161,16 @@ void InspIRCd::Restart(const std::string &reason) /* Figure out our filename (if theyve renamed it, we're boned) */ std::string me; + char** argv = Config->cmdline.argv; + #ifdef WINDOWS char module[MAX_PATH]; if (GetModuleFileName(NULL, module, MAX_PATH)) me = module; #else - me = Config->MyDir + "/inspircd"; + me = argv[0]; #endif - char** argv = Config->argv; - this->Cleanup(); if (execv(me.c_str(), argv) == -1) @@ -170,37 +186,39 @@ void InspIRCd::ResetMaxBans() i->second->ResetMaxBans(); } -/** Because hash_map doesnt free its buckets when we delete items (this is a 'feature') - * we must occasionally rehash the hash (yes really). +/** 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. We dont do this on a timer, as its - * very expensive, so instead we do it when the user types /REHASH and expects a - * short delay anyway. + * 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 = this->Users->clientlist; - user_hash* old_uuid = this->Users->uuidlist; - chan_hash* old_chans = this->chanlist; - - this->Users->clientlist = new user_hash(); - this->Users->uuidlist = new user_hash(); - this->chanlist = new chan_hash(); - + 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++) - this->Users->clientlist->insert(*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++) - this->Users->uuidlist->insert(*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++) - this->chanlist->insert(*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 (std::vector::const_iterator i = Users->local_users.begin(); i != Users->local_users.end(); i++) + { + (**i).already_sent = 0; + (**i).RemoveExpiredInvites(); + } } void InspIRCd::SetSignals() @@ -246,7 +264,6 @@ bool InspIRCd::DaemonSeed() exit(0); } setsid (); - umask (007); printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid()); signal(SIGTERM, InspIRCd::SetSignal); @@ -286,7 +303,7 @@ void InspIRCd::WritePID(const std::string &filename) } InspIRCd::InspIRCd(int argc, char** argv) : - ConfigFileName("inspircd.conf"), + ConfigFileName(CONFIG_PATH "/inspircd.conf"), /* Functor pointer initialisation. * @@ -295,12 +312,14 @@ InspIRCd::InspIRCd(int argc, char** argv) : */ NICKForced("NICKForced", NULL), OperQuit("OperQuit", NULL), + GenRandom(&HandleGenRandom), IsChannel(&HandleIsChannel), IsSID(&HandleIsSID), Rehash(&HandleRehash), IsNick(&HandleIsNick), IsIdent(&HandleIsIdent), - FloodQuitUser(&HandleFloodQuitUser) + FloodQuitUser(&HandleFloodQuitUser), + OnCheckExemption(&HandleOnCheckExemption) { #ifdef WIN32 // Strict, frequent checking of memory on debug builds @@ -338,8 +357,8 @@ InspIRCd::InspIRCd(int argc, char** argv) : this->Res = 0; this->ConfigThread = NULL; - // Initialise TIME - this->TIME = time(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; @@ -371,13 +390,10 @@ InspIRCd::InspIRCd(int argc, char** argv) : this->Parser = new CommandParser; this->XLines = new XLineManager; - this->Config->argv = argv; - this->Config->argc = argc; - - this->TIME = this->OLDTIME = this->startup_time = time(NULL); - srand(this->TIME); + this->Config->cmdline.argv = argv; + this->Config->cmdline.argc = argc; - *this->LogFileName = 0; + srandom(TIME.tv_nsec ^ TIME.tv_sec); struct option longopts[] = { @@ -393,13 +409,13 @@ InspIRCd::InspIRCd(int argc, char** argv) : }; int index; - while ((c = getopt_long_only(argc, argv, ":f:", longopts, &index)) != -1) + while ((c = getopt_long(argc, argv, ":f:", longopts, &index)) != -1) { switch (c) { case 'f': /* Log filename was set */ - strlcpy(LogFileName, optarg, MAXBUF); + Config->cmdline.startup_log = optarg; break; case 'c': /* Config filename was set */ @@ -445,14 +461,20 @@ InspIRCd::InspIRCd(int argc, char** argv) : #endif /* Set the finished argument values */ - Config->nofork = do_nofork; - Config->forcedebug = do_debug; - Config->writelog = !do_nolog; - Config->TestSuite = do_testsuite; + Config->cmdline.nofork = do_nofork; + Config->cmdline.forcedebug = do_debug; + Config->cmdline.writelog = !do_nolog; + Config->cmdline.TestSuite = do_testsuite; - if (!this->OpenLog(argv, argc)) + if (do_debug) { - printf("ERROR: Could not open logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno)); + FileWriter* fw = new FileWriter(stdout); + FileLogStream* fls = new FileLogStream(RAWIO, fw); + Logs->AddLogTypes("*", fls, true); + } + else if (!this->OpenLog(argv, argc)) + { + printf("ERROR: Could not open initial logfile %s: %s\n\n", Config->cmdline.startup_log.c_str(), strerror(errno)); Exit(EXIT_STATUS_LOG); } @@ -479,8 +501,8 @@ InspIRCd::InspIRCd(int argc, char** argv) : printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__); printf_c("(C) InspIRCd Development Team.\033[0m\n\n"); printf_c("Developers:\n"); - printf_c("\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special\n"); - printf_c("\t\033[1;32mpeavey, aquanight, psychon, dz, danieldg\033[0m\n\n"); + printf_c("\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, peavey\n"); + printf_c("\t\033[1;32maquanight, psychon, dz, danieldg, jackmcbarn\033[0m\n\n"); printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n"); this->Modes = new ModeParser; @@ -502,7 +524,7 @@ InspIRCd::InspIRCd(int argc, char** argv) : this->SetSignals(); - if (!Config->nofork) + if (!Config->cmdline.nofork) { if (!this->DaemonSeed()) { @@ -521,7 +543,7 @@ InspIRCd::InspIRCd(int argc, char** argv) : this->Config->Apply(NULL, ""); Logs->OpenFileLogs(); - this->Res = new DNS; + this->Res = new DNS(); /* * Initialise SID/UID. @@ -544,8 +566,7 @@ InspIRCd::InspIRCd(int argc, char** argv) : } /* set up fake client again this time with the correct uid */ - this->FakeClient = new FakeUser("!"); - this->FakeClient->SetFakeServer(Config->ServerName); + this->FakeClient = new FakeUser(Config->sid, Config->ServerName); // Get XLine to do it's thing. this->XLines->CheckELines(); @@ -578,7 +599,7 @@ InspIRCd::InspIRCd(int argc, char** argv) : Config->ServerName.c_str(),Config->GetSID().c_str(), SE->GetMaxFds()); #ifndef WINDOWS - if (!Config->nofork) + if (!Config->cmdline.nofork) { if (kill(getppid(), SIGTERM) == -1) { @@ -587,26 +608,40 @@ InspIRCd::InspIRCd(int argc, char** argv) : } } - if (isatty(0) && isatty(1) && isatty(2)) + /* Explicitly shut down stdio's stdin/stdout/stderr. + * + * The previous logic here was to only do this if stdio was connected to a controlling + * terminal. However, we must do this always to avoid information leaks and other + * problems related to stdio. + * + * The only exception is if we are in debug mode. + * + * -- nenolod + */ + if ((!do_nofork) && (!do_testsuite) && (!Config->cmdline.forcedebug)) { - /* We didn't start from a TTY, we must have started from a background process - - * e.g. we are restarting, or being launched by cron. Dont kill parent, and dont - * close stdin/stdout - */ - if ((!do_nofork) && (!do_testsuite)) - { - fclose(stdin); - fclose(stderr); - fclose(stdout); - } - else - { - Logs->Log("STARTUP", DEFAULT,"Keeping pseudo-tty open as we are running in the foreground."); - } + int fd; + + fclose(stdin); + fclose(stderr); + fclose(stdout); + + fd = open("/dev/null", O_RDWR); + if (dup2(fd, 0) < 0) + Logs->Log("STARTUP", DEFAULT, "Failed to dup /dev/null to stdin."); + if (dup2(fd, 1) < 0) + Logs->Log("STARTUP", DEFAULT, "Failed to dup /dev/null to stdout."); + if (dup2(fd, 2) < 0) + Logs->Log("STARTUP", 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."); } #else WindowsIPC = new IPC; - if(!Config->nofork) + if(!Config->cmdline.nofork) { WindowsForkKillOwner(); FreeConsole(); @@ -618,7 +653,9 @@ InspIRCd::InspIRCd(int argc, char** argv) : 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 - if (!Config->SetGroup.empty()) + std::string SetUser = Config->ConfValue("security")->getString("runasuser"); + std::string SetGroup = Config->ConfValue("security")->getString("runasgroup"); + if (!SetGroup.empty()) { int ret; @@ -635,7 +672,7 @@ InspIRCd::InspIRCd(int argc, char** argv) : struct group *g; errno = 0; - g = getgrnam(this->Config->SetGroup.c_str()); + g = getgrnam(SetGroup.c_str()); if (!g) { @@ -652,13 +689,13 @@ InspIRCd::InspIRCd(int argc, char** argv) : } } - if (!Config->SetUser.empty()) + if (!SetUser.empty()) { // setuid struct passwd *u; errno = 0; - u = getpwnam(this->Config->SetUser.c_str()); + u = getpwnam(SetUser.c_str()); if (!u) { @@ -679,16 +716,31 @@ InspIRCd::InspIRCd(int argc, char** argv) : this->WritePID(Config->PID); } +void InspIRCd::UpdateTime() +{ +#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 +} + int InspIRCd::Run() { /* See if we're supposed to be running the test suite rather than entering the mainloop */ - if (Config->TestSuite) + if (Config->cmdline.TestSuite) { TestSuite* ts = new TestSuite; delete ts; Exit(0); } + UpdateTime(); + time_t OLDTIME = TIME.tv_sec; + while (true) { #ifndef WIN32 @@ -712,53 +764,48 @@ int InspIRCd::Run() ConfigThread = NULL; } - /* time() seems to be a pretty expensive syscall, so avoid calling it too much. - * Once per loop iteration is pleanty. - */ - OLDTIME = TIME; - TIME = time(NULL); + UpdateTime(); /* Run background module timers every few seconds * (the docs say modules shouldnt rely on accurate * timing using this event, so we dont have to * time this exactly). */ - if (TIME != OLDTIME) + if (TIME.tv_sec != OLDTIME) { + OLDTIME = TIME.tv_sec; +#ifndef WIN32 + getrusage(RUSAGE_SELF, &ru); + stats->LastSampled = TIME; + stats->LastCPU = ru.ru_utime; +#else + WindowsIPC->Check(); +#endif + /* Allow a buffer of two seconds drift on this so that ntpdate etc dont harass admins */ - if (TIME < OLDTIME - 2) + 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); + 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 > OLDTIME + 2) + else if (TIME.tv_sec > OLDTIME + 2) { - SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is jumping FORWARDS! Clock skipped %lu secs.", (unsigned long)TIME - OLDTIME); + SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is jumping FORWARDS! Clock skipped %lu secs.", (unsigned long)TIME.tv_sec - OLDTIME); } - if ((TIME % 3600) == 0) + if ((TIME.tv_sec % 3600) == 0) { this->RehashUsersAndChans(); FOREACH_MOD(I_OnGarbageCollect, OnGarbageCollect()); } - Timers->TickTimers(TIME); + Timers->TickTimers(TIME.tv_sec); this->DoBackgroundUserStuff(); - if ((TIME % 5) == 0) + if ((TIME.tv_sec % 5) == 0) { - FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME)); + FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME.tv_sec)); SNO->FlushSnotices(); } -#ifndef WIN32 - /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */ - if (!getrusage(RUSAGE_SELF, &ru)) - { - gettimeofday(&this->stats->LastSampled, NULL); - this->stats->LastCPU = ru.ru_utime; - } -#else - WindowsIPC->Check(); -#endif } /* Call the socket engine to wait on the active @@ -795,18 +842,13 @@ int InspIRCd::Run() * (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(User* user) +bool InspIRCd::AllModulesReportReady(LocalUser* user) { ModResult res; FIRST_MOD_RESULT(OnCheckReady, res, (user)); return (res == MOD_RES_PASSTHRU); } -time_t InspIRCd::Time() -{ - return TIME; -} - void InspIRCd::SetSignal(int signal) { *mysig = signal;