X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspircd.cpp;h=b75a91715c8ffeb613f4ab17d8b97d960402565e;hb=be70931a50f23c68e055602facce5736775f3fab;hp=e7e6c9aadb0317ca5c55b1c387e02c3e3a4d283c;hpb=0955da18e4f1667e25c97892f4ea7d8c2ba9e516;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/inspircd.cpp b/src/inspircd.cpp index e7e6c9aad..b75a91715 100644 --- a/src/inspircd.cpp +++ b/src/inspircd.cpp @@ -1,30 +1,14 @@ -/* --------------------------------------------------------------------- - * - * +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* +------------------------------------+ + * | Inspire Internet Relay Chat Daemon | + * +------------------------------------+ * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * - * - * Written by Craig Edwards, Craig McLure, and others. - * This program is free but copyrighted 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 - * (two) ONLY. + * InspIRCd: (C) 2002-2007 InspIRCd Development Team + * See: http://www.inspircd.org/wiki/index.php/Credits * - * 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. + * This program is free but copyrighted software; see + * the file COPYING for details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * --------------------------------------------------------------------- + * --------------------------------------------------- */ #include "inspircd.h" @@ -33,6 +17,7 @@ #include #include #include +#include #include "modules.h" #include "mode.h" #include "xline.h" @@ -41,7 +26,10 @@ #include "socket.h" #include "typedefs.h" #include "command_parse.h" +#include "exitcodes.h" #include +#include + using irc::sockets::NonBlocking; using irc::sockets::Blocking; @@ -79,25 +67,128 @@ bool InspIRCd::FindServerName(const std::string &servername) void InspIRCd::Exit(int status) { + if (SI) + { + SI->SendError("Exiting with status " + ConvToStr(status) + " (" + std::string(ExitCodes[status]) + ")"); + SI->Cleanup(); + } exit (status); } +void InspIRCd::Cleanup() +{ + std::vector mymodnames; + int MyModCount = this->GetModuleCount(); + + for (unsigned int i = 0; i < stats->BoundPortCount; i++) + { + /* This calls the constructor and closes the listening socket */ + delete Config->openSockfd[i]; + Config->openSockfd[i] = NULL; + } + stats->BoundPortCount = 0; + + /* We do this more than once, so that any service providers get a + * chance to be unhooked by the modules using them, but then get + * a chance to be removed themsleves. + */ + for (int tries = 0; tries < 3; tries++) + { + MyModCount = this->GetModuleCount(); + mymodnames.clear(); + + /* Unload all modules, so they get a chance to clean up their listeners */ + for (int j = 0; j <= MyModCount; j++) + mymodnames.push_back(Config->module_names[j]); + + for (int k = 0; k <= MyModCount; k++) + this->UnloadModule(mymodnames[k].c_str()); + } + + /* Close all client sockets, or the new process inherits them */ + for (std::vector::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++) + (*i)->CloseSocket(); + + /* Close logging */ + this->Logger->Close(); +} + +void InspIRCd::Restart(const std::string &reason) +{ + /* SendError flushes each client's queue, + * regardless of writeability state + */ + this->SendError(reason); + + this->Cleanup(); + + /* Figure out our filename (if theyve renamed it, we're boned) */ + std::string me = Config->MyDir + "/inspircd"; + + if (execv(me.c_str(), Config->argv) == -1) + { + /* Will raise a SIGABRT if not trapped */ + throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno)); + } +} + void InspIRCd::Start() { printf("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__); - printf("(C) ChatSpike Development team.\033[0m\n\n"); - printf("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, jamie\033[0m\n"); + printf("(C) InspIRCd Development Team.\033[0m\n\n"); + printf("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, peavey\033[0m\n"); printf("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n"); - printf("Name concept:\t\t\033[1;32mLord_Zathras\033[0m\n\n"); } void InspIRCd::Rehash(int status) { SI->WriteOpers("Rehashing config file %s due to SIGHUP",ServerConfig::CleanFilename(CONFIG_FILE)); - fclose(SI->Config->log_file); - SI->OpenLog(NULL,0); + SI->CloseLog(); + SI->OpenLog(SI->Config->argv, SI->Config->argc); + SI->RehashUsersAndChans(); + FOREACH_MOD_I(SI, I_OnGarbageCollect, OnGarbageCollect()); SI->Config->Read(false,NULL); - FOREACH_MOD_I(SI,I_OnRehash,OnRehash("")); + SI->ResetMaxBans(); + SI->Res->Rehash(); + FOREACH_MOD_I(SI,I_OnRehash,OnRehash(NULL,"")); +} + +void InspIRCd::ResetMaxBans() +{ + for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++) + 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). + * We do this by copying the entries from the old hash to a new hash, causing all + * empty buckets to be weeded out of the hash. We dont do this on a timer, as its + * very expensive, so instead we do it when the user types /REHASH and expects a + * short delay anyway. + */ +void InspIRCd::RehashUsersAndChans() +{ + user_hash* old_users = this->clientlist; + chan_hash* old_chans = this->chanlist; + + this->clientlist = new user_hash(); + this->chanlist = new chan_hash(); + + for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++) + this->clientlist->insert(*n); + + delete old_users; + + for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++) + this->chanlist->insert(*n); + + delete old_chans; +} + +void InspIRCd::CloseLog() +{ + this->Logger->Close(); } void InspIRCd::SetSignals() @@ -125,7 +216,7 @@ bool InspIRCd::DaemonSeed() */ while (kill(childpid, 0) != -1) sleep(1); - exit(ERROR); + exit(0); } setsid (); umask (007); @@ -170,7 +261,7 @@ void InspIRCd::WritePID(const std::string &filename) { printf("Failed to write PID-file '%s', exiting.\n",fname.c_str()); this->Log(DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str()); - Exit(0); + Exit(EXIT_STATUS_PID); } } @@ -183,11 +274,23 @@ InspIRCd::InspIRCd(int argc, char** argv) : ModCount(-1), duration_m(60), duration_h(60*60), duration_d(60*60*24), duration_w(60*60*24*7), duration_y(60*60*24*365) { int found_ports = 0; + FailedPortList pl; + int do_nofork = 0, do_debug = 0, do_nolog = 0; /* flag variables */ + char c = 0; modules.resize(255); factory.resize(255); - + + 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; + this->Config->opertypes.clear(); this->Config->operclass.clear(); this->SNO = new SnomaskManager(this); @@ -196,62 +299,57 @@ InspIRCd::InspIRCd(int argc, char** argv) this->time_delta = 0; this->next_call = this->TIME + 3; srand(this->TIME); - this->Log(DEBUG,"*** InspIRCd starting up!"); + if (!ServerConfig::FileExists(CONFIG_FILE)) { printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE); this->Log(DEFAULT,"main: no config"); printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n"); - Exit(ERROR); + Exit(EXIT_STATUS_CONFIG); } + *this->LogFileName = 0; - if (argc > 1) { - for (int i = 1; i < argc; i++) + + struct option longopts[] = + { + { "nofork", no_argument, &do_nofork, 1 }, + { "logfile", required_argument, NULL, 'f' }, + { "debug", no_argument, &do_debug, 1 }, + { "nolog", no_argument, &do_nolog, 1 }, + { 0, 0, 0, 0 } + }; + + while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1) + { + switch (c) { - if (!strcmp(argv[i],"-nofork")) - { - Config->nofork = true; - } - else if(!strcmp(argv[i],"-debug")) - { - Config->forcedebug = true; - } - else if(!strcmp(argv[i],"-nolog")) - { - Config->writelog = false; - } - else if (!strcmp(argv[i],"-wait")) - { - sleep(6); - } - else if (!strcmp(argv[i],"-logfile")) - { - if (argc > i+1) - { - strlcpy(LogFileName,argv[i+1],MAXBUF); - printf("LOG: Setting logfile to %s\n",LogFileName); - } - else - { - printf("ERROR: The -logfile parameter must be followed by a log file name and path.\n"); - Exit(ERROR); - } - i++; - } - else - { - printf("Usage: %s [-nofork] [-nolog] [-debug] [-wait] [-logfile ]\n",argv[0]); - Exit(ERROR); - } + case 'f': + /* Log filename was set */ + strlcpy(LogFileName, optarg, MAXBUF); + printf("LOG: Setting logfile to %s\n", LogFileName); + 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 ]\n", argv[0]); + Exit(EXIT_STATUS_ARGV); + break; } } + /* 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->Parser = new CommandParser(this); this->Timers = new TimerManager(); + this->Parser = new CommandParser(this); this->XLines = new XLineManager(this); Config->ClearStack(); Config->Read(true, NULL); @@ -260,7 +358,7 @@ InspIRCd::InspIRCd(int argc, char** argv) this->AddServerName(Config->ServerName); CheckDie(); InitializeDisabledCommands(Config->DisabledCommands, this); - stats->BoundPortCount = BindPorts(true, found_ports); + stats->BoundPortCount = BindPorts(true, found_ports, pl); for(int t = 0; t < 255; t++) Config->global_implementation[t] = 0; @@ -274,7 +372,7 @@ InspIRCd::InspIRCd(int argc, char** argv) if (!this->DaemonSeed()) { printf("ERROR: could not go into daemon mode. Shutting down.\n"); - Exit(ERROR); + Exit(EXIT_STATUS_FORK); } } @@ -294,12 +392,18 @@ InspIRCd::InspIRCd(int argc, char** argv) if ((stats->BoundPortCount == 0) && (found_ports > 0)) { printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n"); - Exit(ERROR); + Exit(EXIT_STATUS_BIND); } if (stats->BoundPortCount != (unsigned int)found_ports) { - printf("\nWARNING: Not all your client ports could be bound --\n starting anyway with %ld of %d client ports bound.\n", stats->BoundPortCount, found_ports); + printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %ld of %d client ports bound.\n\n", stats->BoundPortCount, found_ports); + printf("The following port%s failed to bind:\n", found_ports - stats->BoundPortCount != 1 ? "s" : ""); + int j = 1; + for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++) + { + printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "" : i->first.c_str(), (unsigned long)i->second); + } } /* Add the listening sockets used for client inbound connections @@ -312,7 +416,7 @@ InspIRCd::InspIRCd(int argc, char** argv) if (!SE->AddFd(Config->openSockfd[count])) { printf("\nEH? Could not add listener to socketengine. You screwed up, aborting.\n"); - Exit(ERROR); + Exit(EXIT_STATUS_INTERNAL); } } @@ -483,6 +587,7 @@ void InspIRCd::BuildISupport() v << MAXAWAY << " CHANMODES=" << this->Modes->ChanModes() << " FNC NETWORK=" << Config->Network << " MAXPARA=32"; Config->data005 = v.str(); FOREACH_MOD_I(this,I_On005Numeric,On005Numeric(Config->data005)); + Config->Update005(); } bool InspIRCd::UnloadModule(const char* filename) @@ -498,16 +603,30 @@ bool InspIRCd::UnloadModule(const char* filename) snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)"); return false; } + std::pair intercount = GetInterfaceInstanceCount(modules[j]); + if (intercount.first > 0) + { + this->Log(DEFAULT,"Failed to unload module %s, being used by %d other(s) via interface '%s'",filename, intercount.first, intercount.second.c_str()); + snprintf(MODERR,MAXBUF,"Module not unloadable (Still in use by %d other module%s which %s using its interface '%s') -- unload dependent modules first!", + intercount.first, + intercount.first > 1 ? "s" : "", + intercount.first > 1 ? "are" : "is", + intercount.second.c_str()); + return false; + } /* Give the module a chance to tidy out all its metadata */ - for (chan_hash::iterator c = this->chanlist.begin(); c != this->chanlist.end(); c++) + for (chan_hash::iterator c = this->chanlist->begin(); c != this->chanlist->end(); c++) { modules[j]->OnCleanup(TYPE_CHANNEL,c->second); } - for (user_hash::iterator u = this->clientlist.begin(); u != this->clientlist.end(); u++) + for (user_hash::iterator u = this->clientlist->begin(); u != this->clientlist->end(); u++) { modules[j]->OnCleanup(TYPE_USER,u->second); } + /* Tidy up any dangling resolvers */ + this->Res->CleanResolvers(modules[j]); + FOREACH_MOD_I(this,I_OnUnloadModule,OnUnloadModule(modules[j],Config->module_names[j])); for(int t = 0; t < 255; t++) @@ -526,11 +645,8 @@ bool InspIRCd::UnloadModule(const char* filename) } // found the module - this->Log(DEBUG,"Removing dependent commands..."); Parser->RemoveCommands(filename); - this->Log(DEBUG,"Deleting module..."); this->EraseModule(j); - this->Log(DEBUG,"Erasing module entry..."); this->EraseFactory(j); this->Log(DEFAULT,"Module %s unloaded",filename); this->ModCount--; @@ -648,10 +764,10 @@ bool InspIRCd::LoadModule(const char* filename) return false; } } - catch (ModuleException& modexcept) + catch (CoreException& modexcept) { this->Log(DEFAULT,"Unable to load %s: ",modfile,modexcept.GetReason()); - snprintf(MODERR,MAXBUF,"Factory function threw an exception: %s",modexcept.GetReason()); + snprintf(MODERR,MAXBUF,"Factory function of %s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); return false; } } @@ -694,6 +810,8 @@ bool InspIRCd::LoadModule(const char* filename) void InspIRCd::DoOneIteration(bool process_module_sockets) { + static rusage ru; + /* time() seems to be a pretty expensive syscall, so avoid calling it too much. * Once per loop iteration is pleanty. */ @@ -711,7 +829,8 @@ void InspIRCd::DoOneIteration(bool process_module_sockets) WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME)); if ((TIME % 3600) == 0) { - irc::whowas::MaintainWhoWas(this, TIME); + this->RehashUsersAndChans(); + FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect()); } Timers->TickTimers(TIME); this->DoBackgroundUserStuff(TIME); @@ -722,6 +841,12 @@ void InspIRCd::DoOneIteration(bool process_module_sockets) FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME)); Timers->TickMissedTimers(TIME); } + + if (!getrusage(0, &ru)) + { + gettimeofday(&this->stats->LastSampled, NULL); + this->stats->LastCPU = ru.ru_utime; + } } /* Call the socket engine to wait on the active @@ -820,6 +945,29 @@ int InspIRCd::SetTimeDelta(int delta) return old; } +void InspIRCd::AddLocalClone(userrec* user) +{ + clonemap::iterator x = local_clones.find(user->GetIPString()); + if (x != local_clones.end()) + x->second++; + else + local_clones[user->GetIPString()] = 1; +} + +void InspIRCd::AddGlobalClone(userrec* user) +{ + clonemap::iterator y = global_clones.find(user->GetIPString()); + if (y != global_clones.end()) + y->second++; + else + global_clones[user->GetIPString()] = 1; +} + +int InspIRCd::GetTimeDelta() +{ + return time_delta; +} + bool FileLogger::Readable() { return false; @@ -828,7 +976,8 @@ bool FileLogger::Readable() void FileLogger::HandleEvent(EventType et, int errornum) { this->WriteLogLine(""); - ServerInstance->SE->DelFd(this); + if (log) + ServerInstance->SE->DelFd(this); } void FileLogger::WriteLogLine(const std::string &line) @@ -869,18 +1018,24 @@ void FileLogger::Close() fcntl(fileno(log), F_SETFL, flags ^ O_NONBLOCK); if (buffer.size()) fprintf(log,"%s",buffer.c_str()); + + ServerInstance->SE->DelFd(this); + fflush(log); fclose(log); } + buffer = ""; - ServerInstance->SE->DelFd(this); } FileLogger::FileLogger(InspIRCd* Instance, FILE* logfile) : ServerInstance(Instance), log(logfile), writeops(0) { - irc::sockets::NonBlocking(fileno(log)); - this->SetFd(fileno(log)); - buffer = ""; + if (log) + { + irc::sockets::NonBlocking(fileno(log)); + this->SetFd(fileno(log)); + buffer = ""; + } } FileLogger::~FileLogger()